| File: | src/usr.bin/ssh/ssh/../readconf.c |
| Warning: | line 1663, column 5 Value stored to 'p' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* $OpenBSD: readconf.c,v 1.384 2024/01/11 01:45:36 djm Exp $ */ |
| 2 | /* |
| 3 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 4 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 5 | * All rights reserved |
| 6 | * Functions for reading the configuration files. |
| 7 | * |
| 8 | * As far as I am concerned, the code I have written for this software |
| 9 | * can be used freely for any purpose. Any derived versions of this |
| 10 | * software must be clearly marked as such, and if the derived work is |
| 11 | * incompatible with the protocol description in the RFC file, it must be |
| 12 | * called by a name other than "ssh" or "Secure Shell". |
| 13 | */ |
| 14 | |
| 15 | #include <sys/types.h> |
| 16 | #include <sys/stat.h> |
| 17 | #include <sys/socket.h> |
| 18 | #include <sys/wait.h> |
| 19 | #include <sys/un.h> |
| 20 | |
| 21 | #include <net/if.h> |
| 22 | #include <netinet/in.h> |
| 23 | #include <netinet/ip.h> |
| 24 | |
| 25 | #include <ctype.h> |
| 26 | #include <errno(*__errno()).h> |
| 27 | #include <fcntl.h> |
| 28 | #include <glob.h> |
| 29 | #include <ifaddrs.h> |
| 30 | #include <netdb.h> |
| 31 | #include <paths.h> |
| 32 | #include <pwd.h> |
| 33 | #include <signal.h> |
| 34 | #include <stdio.h> |
| 35 | #include <string.h> |
| 36 | #include <stdarg.h> |
| 37 | #include <unistd.h> |
| 38 | #include <limits.h> |
| 39 | #include <util.h> |
| 40 | #include <vis.h> |
| 41 | |
| 42 | #include "xmalloc.h" |
| 43 | #include "ssh.h" |
| 44 | #include "ssherr.h" |
| 45 | #include "cipher.h" |
| 46 | #include "pathnames.h" |
| 47 | #include "log.h" |
| 48 | #include "sshkey.h" |
| 49 | #include "misc.h" |
| 50 | #include "readconf.h" |
| 51 | #include "match.h" |
| 52 | #include "kex.h" |
| 53 | #include "mac.h" |
| 54 | #include "uidswap.h" |
| 55 | #include "myproposal.h" |
| 56 | #include "digest.h" |
| 57 | |
| 58 | /* Format of the configuration file: |
| 59 | |
| 60 | # Configuration data is parsed as follows: |
| 61 | # 1. command line options |
| 62 | # 2. user-specific file |
| 63 | # 3. system-wide file |
| 64 | # Any configuration value is only changed the first time it is set. |
| 65 | # Thus, host-specific definitions should be at the beginning of the |
| 66 | # configuration file, and defaults at the end. |
| 67 | |
| 68 | # Host-specific declarations. These may override anything above. A single |
| 69 | # host may match multiple declarations; these are processed in the order |
| 70 | # that they are given in. |
| 71 | |
| 72 | Host *.ngs.fi ngs.fi |
| 73 | User foo |
| 74 | |
| 75 | Host fake.com |
| 76 | Hostname another.host.name.real.org |
| 77 | User blaah |
| 78 | Port 34289 |
| 79 | ForwardX11 no |
| 80 | ForwardAgent no |
| 81 | |
| 82 | Host books.com |
| 83 | RemoteForward 9999 shadows.cs.hut.fi:9999 |
| 84 | Ciphers 3des-cbc |
| 85 | |
| 86 | Host fascist.blob.com |
| 87 | Port 23123 |
| 88 | User tylonen |
| 89 | PasswordAuthentication no |
| 90 | |
| 91 | Host puukko.hut.fi |
| 92 | User t35124p |
| 93 | ProxyCommand ssh-proxy %h %p |
| 94 | |
| 95 | Host *.fr |
| 96 | PublicKeyAuthentication no |
| 97 | |
| 98 | Host *.su |
| 99 | Ciphers aes128-ctr |
| 100 | PasswordAuthentication no |
| 101 | |
| 102 | Host vpn.fake.com |
| 103 | Tunnel yes |
| 104 | TunnelDevice 3 |
| 105 | |
| 106 | # Defaults for various options |
| 107 | Host * |
| 108 | ForwardAgent no |
| 109 | ForwardX11 no |
| 110 | PasswordAuthentication yes |
| 111 | StrictHostKeyChecking yes |
| 112 | TcpKeepAlive no |
| 113 | IdentityFile ~/.ssh/identity |
| 114 | Port 22 |
| 115 | EscapeChar ~ |
| 116 | |
| 117 | */ |
| 118 | |
| 119 | static int read_config_file_depth(const char *filename, struct passwd *pw, |
| 120 | const char *host, const char *original_host, Options *options, |
| 121 | int flags, int *activep, int *want_final_pass, int depth); |
| 122 | static int process_config_line_depth(Options *options, struct passwd *pw, |
| 123 | const char *host, const char *original_host, char *line, |
| 124 | const char *filename, int linenum, int *activep, int flags, |
| 125 | int *want_final_pass, int depth); |
| 126 | |
| 127 | /* Keyword tokens. */ |
| 128 | |
| 129 | typedef enum { |
| 130 | oBadOption, |
| 131 | oHost, oMatch, oInclude, oTag, |
| 132 | oForwardAgent, oForwardX11, oForwardX11Trusted, oForwardX11Timeout, |
| 133 | oGatewayPorts, oExitOnForwardFailure, |
| 134 | oPasswordAuthentication, |
| 135 | oXAuthLocation, |
| 136 | oIdentityFile, oHostname, oPort, oRemoteForward, oLocalForward, |
| 137 | oPermitRemoteOpen, |
| 138 | oCertificateFile, oAddKeysToAgent, oIdentityAgent, |
| 139 | oUser, oEscapeChar, oProxyCommand, |
| 140 | oGlobalKnownHostsFile, oUserKnownHostsFile, oConnectionAttempts, |
| 141 | oBatchMode, oCheckHostIP, oStrictHostKeyChecking, oCompression, |
| 142 | oTCPKeepAlive, oNumberOfPasswordPrompts, |
| 143 | oLogFacility, oLogLevel, oLogVerbose, oCiphers, oMacs, |
| 144 | oPubkeyAuthentication, |
| 145 | oKbdInteractiveAuthentication, oKbdInteractiveDevices, oHostKeyAlias, |
| 146 | oDynamicForward, oPreferredAuthentications, oHostbasedAuthentication, |
| 147 | oHostKeyAlgorithms, oBindAddress, oBindInterface, oPKCS11Provider, |
| 148 | oClearAllForwardings, oNoHostAuthenticationForLocalhost, |
| 149 | oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout, |
| 150 | oAddressFamily, oGssAuthentication, oGssDelegateCreds, |
| 151 | oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly, |
| 152 | oSendEnv, oSetEnv, oControlPath, oControlMaster, oControlPersist, |
| 153 | oHashKnownHosts, |
| 154 | oTunnel, oTunnelDevice, |
| 155 | oLocalCommand, oPermitLocalCommand, oRemoteCommand, |
| 156 | oVisualHostKey, |
| 157 | oKexAlgorithms, oIPQoS, oRequestTTY, oSessionType, oStdinNull, |
| 158 | oForkAfterAuthentication, oIgnoreUnknown, oProxyUseFdpass, |
| 159 | oCanonicalDomains, oCanonicalizeHostname, oCanonicalizeMaxDots, |
| 160 | oCanonicalizeFallbackLocal, oCanonicalizePermittedCNAMEs, |
| 161 | oStreamLocalBindMask, oStreamLocalBindUnlink, oRevokedHostKeys, |
| 162 | oFingerprintHash, oUpdateHostkeys, oHostbasedAcceptedAlgorithms, |
| 163 | oPubkeyAcceptedAlgorithms, oCASignatureAlgorithms, oProxyJump, |
| 164 | oSecurityKeyProvider, oKnownHostsCommand, oRequiredRSASize, |
| 165 | oEnableEscapeCommandline, oObscureKeystrokeTiming, oChannelTimeout, |
| 166 | oIgnore, oIgnoredUnknownOption, oDeprecated, oUnsupported |
| 167 | } OpCodes; |
| 168 | |
| 169 | /* Textual representations of the tokens. */ |
| 170 | |
| 171 | static struct { |
| 172 | const char *name; |
| 173 | OpCodes opcode; |
| 174 | } keywords[] = { |
| 175 | /* Deprecated options */ |
| 176 | { "protocol", oIgnore }, /* NB. silently ignored */ |
| 177 | { "cipher", oDeprecated }, |
| 178 | { "fallbacktorsh", oDeprecated }, |
| 179 | { "globalknownhostsfile2", oDeprecated }, |
| 180 | { "rhostsauthentication", oDeprecated }, |
| 181 | { "userknownhostsfile2", oDeprecated }, |
| 182 | { "useroaming", oDeprecated }, |
| 183 | { "usersh", oDeprecated }, |
| 184 | { "useprivilegedport", oDeprecated }, |
| 185 | |
| 186 | /* Unsupported options */ |
| 187 | { "afstokenpassing", oUnsupported }, |
| 188 | { "kerberosauthentication", oUnsupported }, |
| 189 | { "kerberostgtpassing", oUnsupported }, |
| 190 | { "rsaauthentication", oUnsupported }, |
| 191 | { "rhostsrsaauthentication", oUnsupported }, |
| 192 | { "compressionlevel", oUnsupported }, |
| 193 | |
| 194 | /* Sometimes-unsupported options */ |
| 195 | #if defined(GSSAPI) |
| 196 | { "gssapiauthentication", oGssAuthentication }, |
| 197 | { "gssapidelegatecredentials", oGssDelegateCreds }, |
| 198 | # else |
| 199 | { "gssapiauthentication", oUnsupported }, |
| 200 | { "gssapidelegatecredentials", oUnsupported }, |
| 201 | #endif |
| 202 | #ifdef ENABLE_PKCS111 |
| 203 | { "pkcs11provider", oPKCS11Provider }, |
| 204 | { "smartcarddevice", oPKCS11Provider }, |
| 205 | # else |
| 206 | { "smartcarddevice", oUnsupported }, |
| 207 | { "pkcs11provider", oUnsupported }, |
| 208 | #endif |
| 209 | |
| 210 | { "forwardagent", oForwardAgent }, |
| 211 | { "forwardx11", oForwardX11 }, |
| 212 | { "forwardx11trusted", oForwardX11Trusted }, |
| 213 | { "forwardx11timeout", oForwardX11Timeout }, |
| 214 | { "exitonforwardfailure", oExitOnForwardFailure }, |
| 215 | { "xauthlocation", oXAuthLocation }, |
| 216 | { "gatewayports", oGatewayPorts }, |
| 217 | { "passwordauthentication", oPasswordAuthentication }, |
| 218 | { "kbdinteractiveauthentication", oKbdInteractiveAuthentication }, |
| 219 | { "kbdinteractivedevices", oKbdInteractiveDevices }, |
| 220 | { "challengeresponseauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 221 | { "skeyauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 222 | { "tisauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 223 | { "pubkeyauthentication", oPubkeyAuthentication }, |
| 224 | { "dsaauthentication", oPubkeyAuthentication }, /* alias */ |
| 225 | { "hostbasedauthentication", oHostbasedAuthentication }, |
| 226 | { "identityfile", oIdentityFile }, |
| 227 | { "identityfile2", oIdentityFile }, /* obsolete */ |
| 228 | { "identitiesonly", oIdentitiesOnly }, |
| 229 | { "certificatefile", oCertificateFile }, |
| 230 | { "addkeystoagent", oAddKeysToAgent }, |
| 231 | { "identityagent", oIdentityAgent }, |
| 232 | { "hostname", oHostname }, |
| 233 | { "hostkeyalias", oHostKeyAlias }, |
| 234 | { "proxycommand", oProxyCommand }, |
| 235 | { "port", oPort }, |
| 236 | { "ciphers", oCiphers }, |
| 237 | { "macs", oMacs }, |
| 238 | { "remoteforward", oRemoteForward }, |
| 239 | { "localforward", oLocalForward }, |
| 240 | { "permitremoteopen", oPermitRemoteOpen }, |
| 241 | { "user", oUser }, |
| 242 | { "host", oHost }, |
| 243 | { "match", oMatch }, |
| 244 | { "tag", oTag }, |
| 245 | { "escapechar", oEscapeChar }, |
| 246 | { "globalknownhostsfile", oGlobalKnownHostsFile }, |
| 247 | { "userknownhostsfile", oUserKnownHostsFile }, |
| 248 | { "connectionattempts", oConnectionAttempts }, |
| 249 | { "batchmode", oBatchMode }, |
| 250 | { "checkhostip", oCheckHostIP }, |
| 251 | { "stricthostkeychecking", oStrictHostKeyChecking }, |
| 252 | { "compression", oCompression }, |
| 253 | { "tcpkeepalive", oTCPKeepAlive }, |
| 254 | { "keepalive", oTCPKeepAlive }, /* obsolete */ |
| 255 | { "numberofpasswordprompts", oNumberOfPasswordPrompts }, |
| 256 | { "syslogfacility", oLogFacility }, |
| 257 | { "loglevel", oLogLevel }, |
| 258 | { "logverbose", oLogVerbose }, |
| 259 | { "dynamicforward", oDynamicForward }, |
| 260 | { "preferredauthentications", oPreferredAuthentications }, |
| 261 | { "hostkeyalgorithms", oHostKeyAlgorithms }, |
| 262 | { "casignaturealgorithms", oCASignatureAlgorithms }, |
| 263 | { "bindaddress", oBindAddress }, |
| 264 | { "bindinterface", oBindInterface }, |
| 265 | { "clearallforwardings", oClearAllForwardings }, |
| 266 | { "enablesshkeysign", oEnableSSHKeysign }, |
| 267 | { "verifyhostkeydns", oVerifyHostKeyDNS }, |
| 268 | { "nohostauthenticationforlocalhost", oNoHostAuthenticationForLocalhost }, |
| 269 | { "rekeylimit", oRekeyLimit }, |
| 270 | { "connecttimeout", oConnectTimeout }, |
| 271 | { "addressfamily", oAddressFamily }, |
| 272 | { "serveraliveinterval", oServerAliveInterval }, |
| 273 | { "serveralivecountmax", oServerAliveCountMax }, |
| 274 | { "sendenv", oSendEnv }, |
| 275 | { "setenv", oSetEnv }, |
| 276 | { "controlpath", oControlPath }, |
| 277 | { "controlmaster", oControlMaster }, |
| 278 | { "controlpersist", oControlPersist }, |
| 279 | { "hashknownhosts", oHashKnownHosts }, |
| 280 | { "include", oInclude }, |
| 281 | { "tunnel", oTunnel }, |
| 282 | { "tunneldevice", oTunnelDevice }, |
| 283 | { "localcommand", oLocalCommand }, |
| 284 | { "permitlocalcommand", oPermitLocalCommand }, |
| 285 | { "remotecommand", oRemoteCommand }, |
| 286 | { "visualhostkey", oVisualHostKey }, |
| 287 | { "kexalgorithms", oKexAlgorithms }, |
| 288 | { "ipqos", oIPQoS }, |
| 289 | { "requesttty", oRequestTTY }, |
| 290 | { "sessiontype", oSessionType }, |
| 291 | { "stdinnull", oStdinNull }, |
| 292 | { "forkafterauthentication", oForkAfterAuthentication }, |
| 293 | { "proxyusefdpass", oProxyUseFdpass }, |
| 294 | { "canonicaldomains", oCanonicalDomains }, |
| 295 | { "canonicalizefallbacklocal", oCanonicalizeFallbackLocal }, |
| 296 | { "canonicalizehostname", oCanonicalizeHostname }, |
| 297 | { "canonicalizemaxdots", oCanonicalizeMaxDots }, |
| 298 | { "canonicalizepermittedcnames", oCanonicalizePermittedCNAMEs }, |
| 299 | { "streamlocalbindmask", oStreamLocalBindMask }, |
| 300 | { "streamlocalbindunlink", oStreamLocalBindUnlink }, |
| 301 | { "revokedhostkeys", oRevokedHostKeys }, |
| 302 | { "fingerprinthash", oFingerprintHash }, |
| 303 | { "updatehostkeys", oUpdateHostkeys }, |
| 304 | { "hostbasedacceptedalgorithms", oHostbasedAcceptedAlgorithms }, |
| 305 | { "hostbasedkeytypes", oHostbasedAcceptedAlgorithms }, /* obsolete */ |
| 306 | { "pubkeyacceptedalgorithms", oPubkeyAcceptedAlgorithms }, |
| 307 | { "pubkeyacceptedkeytypes", oPubkeyAcceptedAlgorithms }, /* obsolete */ |
| 308 | { "ignoreunknown", oIgnoreUnknown }, |
| 309 | { "proxyjump", oProxyJump }, |
| 310 | { "securitykeyprovider", oSecurityKeyProvider }, |
| 311 | { "knownhostscommand", oKnownHostsCommand }, |
| 312 | { "requiredrsasize", oRequiredRSASize }, |
| 313 | { "enableescapecommandline", oEnableEscapeCommandline }, |
| 314 | { "obscurekeystroketiming", oObscureKeystrokeTiming }, |
| 315 | { "channeltimeout", oChannelTimeout }, |
| 316 | |
| 317 | { NULL((void *)0), oBadOption } |
| 318 | }; |
| 319 | |
| 320 | static const char *lookup_opcode_name(OpCodes code); |
| 321 | |
| 322 | const char * |
| 323 | kex_default_pk_alg(void) |
| 324 | { |
| 325 | static char *pkalgs; |
| 326 | |
| 327 | if (pkalgs == NULL((void *)0)) { |
| 328 | char *all_key; |
| 329 | |
| 330 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 331 | pkalgs = match_filter_allowlist(KEX_DEFAULT_PK_ALG"ssh-ed25519-cert-v01@openssh.com," "ecdsa-sha2-nistp256-cert-v01@openssh.com," "ecdsa-sha2-nistp384-cert-v01@openssh.com," "ecdsa-sha2-nistp521-cert-v01@openssh.com," "sk-ssh-ed25519-cert-v01@openssh.com," "sk-ecdsa-sha2-nistp256-cert-v01@openssh.com," "rsa-sha2-512-cert-v01@openssh.com," "rsa-sha2-256-cert-v01@openssh.com," "ssh-ed25519," "ecdsa-sha2-nistp256," "ecdsa-sha2-nistp384," "ecdsa-sha2-nistp521," "sk-ssh-ed25519@openssh.com," "sk-ecdsa-sha2-nistp256@openssh.com," "rsa-sha2-512," "rsa-sha2-256", all_key); |
| 332 | free(all_key); |
| 333 | } |
| 334 | return pkalgs; |
| 335 | } |
| 336 | |
| 337 | char * |
| 338 | ssh_connection_hash(const char *thishost, const char *host, const char *portstr, |
| 339 | const char *user, const char *jumphost) |
| 340 | { |
| 341 | struct ssh_digest_ctx *md; |
| 342 | u_char conn_hash[SSH_DIGEST_MAX_LENGTH64]; |
| 343 | |
| 344 | if ((md = ssh_digest_start(SSH_DIGEST_SHA11)) == NULL((void *)0) || |
| 345 | ssh_digest_update(md, thishost, strlen(thishost)) < 0 || |
| 346 | ssh_digest_update(md, host, strlen(host)) < 0 || |
| 347 | ssh_digest_update(md, portstr, strlen(portstr)) < 0 || |
| 348 | ssh_digest_update(md, user, strlen(user)) < 0 || |
| 349 | ssh_digest_update(md, jumphost, strlen(jumphost)) < 0 || |
| 350 | ssh_digest_final(md, conn_hash, sizeof(conn_hash)) < 0) |
| 351 | fatal_f("mux digest failed")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 351 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "mux digest failed"); |
| 352 | ssh_digest_free(md); |
| 353 | return tohex(conn_hash, ssh_digest_bytes(SSH_DIGEST_SHA11)); |
| 354 | } |
| 355 | |
| 356 | /* |
| 357 | * Adds a local TCP/IP port forward to options. Never returns if there is an |
| 358 | * error. |
| 359 | */ |
| 360 | |
| 361 | void |
| 362 | add_local_forward(Options *options, const struct Forward *newfwd) |
| 363 | { |
| 364 | struct Forward *fwd; |
| 365 | int i; |
| 366 | |
| 367 | /* Don't add duplicates */ |
| 368 | for (i = 0; i < options->num_local_forwards; i++) { |
| 369 | if (forward_equals(newfwd, options->local_forwards + i)) |
| 370 | return; |
| 371 | } |
| 372 | options->local_forwards = xreallocarray(options->local_forwards, |
| 373 | options->num_local_forwards + 1, |
| 374 | sizeof(*options->local_forwards)); |
| 375 | fwd = &options->local_forwards[options->num_local_forwards++]; |
| 376 | |
| 377 | fwd->listen_host = newfwd->listen_host; |
| 378 | fwd->listen_port = newfwd->listen_port; |
| 379 | fwd->listen_path = newfwd->listen_path; |
| 380 | fwd->connect_host = newfwd->connect_host; |
| 381 | fwd->connect_port = newfwd->connect_port; |
| 382 | fwd->connect_path = newfwd->connect_path; |
| 383 | } |
| 384 | |
| 385 | /* |
| 386 | * Adds a remote TCP/IP port forward to options. Never returns if there is |
| 387 | * an error. |
| 388 | */ |
| 389 | |
| 390 | void |
| 391 | add_remote_forward(Options *options, const struct Forward *newfwd) |
| 392 | { |
| 393 | struct Forward *fwd; |
| 394 | int i; |
| 395 | |
| 396 | /* Don't add duplicates */ |
| 397 | for (i = 0; i < options->num_remote_forwards; i++) { |
| 398 | if (forward_equals(newfwd, options->remote_forwards + i)) |
| 399 | return; |
| 400 | } |
| 401 | options->remote_forwards = xreallocarray(options->remote_forwards, |
| 402 | options->num_remote_forwards + 1, |
| 403 | sizeof(*options->remote_forwards)); |
| 404 | fwd = &options->remote_forwards[options->num_remote_forwards++]; |
| 405 | |
| 406 | fwd->listen_host = newfwd->listen_host; |
| 407 | fwd->listen_port = newfwd->listen_port; |
| 408 | fwd->listen_path = newfwd->listen_path; |
| 409 | fwd->connect_host = newfwd->connect_host; |
| 410 | fwd->connect_port = newfwd->connect_port; |
| 411 | fwd->connect_path = newfwd->connect_path; |
| 412 | fwd->handle = newfwd->handle; |
| 413 | fwd->allocated_port = 0; |
| 414 | } |
| 415 | |
| 416 | static void |
| 417 | clear_forwardings(Options *options) |
| 418 | { |
| 419 | int i; |
| 420 | |
| 421 | for (i = 0; i < options->num_local_forwards; i++) { |
| 422 | free(options->local_forwards[i].listen_host); |
| 423 | free(options->local_forwards[i].listen_path); |
| 424 | free(options->local_forwards[i].connect_host); |
| 425 | free(options->local_forwards[i].connect_path); |
| 426 | } |
| 427 | if (options->num_local_forwards > 0) { |
| 428 | free(options->local_forwards); |
| 429 | options->local_forwards = NULL((void *)0); |
| 430 | } |
| 431 | options->num_local_forwards = 0; |
| 432 | for (i = 0; i < options->num_remote_forwards; i++) { |
| 433 | free(options->remote_forwards[i].listen_host); |
| 434 | free(options->remote_forwards[i].listen_path); |
| 435 | free(options->remote_forwards[i].connect_host); |
| 436 | free(options->remote_forwards[i].connect_path); |
| 437 | } |
| 438 | if (options->num_remote_forwards > 0) { |
| 439 | free(options->remote_forwards); |
| 440 | options->remote_forwards = NULL((void *)0); |
| 441 | } |
| 442 | options->num_remote_forwards = 0; |
| 443 | options->tun_open = SSH_TUNMODE_NO0x00; |
| 444 | } |
| 445 | |
| 446 | void |
| 447 | add_certificate_file(Options *options, const char *path, int userprovided) |
| 448 | { |
| 449 | int i; |
| 450 | |
| 451 | if (options->num_certificate_files >= SSH_MAX_CERTIFICATE_FILES100) |
| 452 | fatal("Too many certificate files specified (max %d)",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 453 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many certificate files specified (max %d)" , 100) |
| 453 | SSH_MAX_CERTIFICATE_FILES)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 453 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many certificate files specified (max %d)" , 100); |
| 454 | |
| 455 | /* Avoid registering duplicates */ |
| 456 | for (i = 0; i < options->num_certificate_files; i++) { |
| 457 | if (options->certificate_file_userprovided[i] == userprovided && |
| 458 | strcmp(options->certificate_files[i], path) == 0) { |
| 459 | debug2_f("ignoring duplicate key %s", path)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 459 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "ignoring duplicate key %s" , path); |
| 460 | return; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | options->certificate_file_userprovided[options->num_certificate_files] = |
| 465 | userprovided; |
| 466 | options->certificate_files[options->num_certificate_files++] = |
| 467 | xstrdup(path); |
| 468 | } |
| 469 | |
| 470 | void |
| 471 | add_identity_file(Options *options, const char *dir, const char *filename, |
| 472 | int userprovided) |
| 473 | { |
| 474 | char *path; |
| 475 | int i; |
| 476 | |
| 477 | if (options->num_identity_files >= SSH_MAX_IDENTITY_FILES100) |
| 478 | fatal("Too many identity files specified (max %d)",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 479 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many identity files specified (max %d)" , 100) |
| 479 | SSH_MAX_IDENTITY_FILES)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 479 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many identity files specified (max %d)" , 100); |
| 480 | |
| 481 | if (dir == NULL((void *)0)) /* no dir, filename is absolute */ |
| 482 | path = xstrdup(filename); |
| 483 | else if (xasprintf(&path, "%s%s", dir, filename) >= PATH_MAX1024) |
| 484 | fatal("Identity file path %s too long", path)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 484 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Identity file path %s too long" , path); |
| 485 | |
| 486 | /* Avoid registering duplicates */ |
| 487 | for (i = 0; i < options->num_identity_files; i++) { |
| 488 | if (options->identity_file_userprovided[i] == userprovided && |
| 489 | strcmp(options->identity_files[i], path) == 0) { |
| 490 | debug2_f("ignoring duplicate key %s", path)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 490 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "ignoring duplicate key %s" , path); |
| 491 | free(path); |
| 492 | return; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | options->identity_file_userprovided[options->num_identity_files] = |
| 497 | userprovided; |
| 498 | options->identity_files[options->num_identity_files++] = path; |
| 499 | } |
| 500 | |
| 501 | int |
| 502 | default_ssh_port(void) |
| 503 | { |
| 504 | static int port; |
| 505 | struct servent *sp; |
| 506 | |
| 507 | if (port == 0) { |
| 508 | sp = getservbyname(SSH_SERVICE_NAME"ssh", "tcp"); |
| 509 | port = sp ? ntohs(sp->s_port)(__uint16_t)(__builtin_constant_p(sp->s_port) ? (__uint16_t )(((__uint16_t)(sp->s_port) & 0xffU) << 8 | ((__uint16_t )(sp->s_port) & 0xff00U) >> 8) : __swap16md(sp-> s_port)) : SSH_DEFAULT_PORT22; |
| 510 | } |
| 511 | return port; |
| 512 | } |
| 513 | |
| 514 | /* |
| 515 | * Execute a command in a shell. |
| 516 | * Return its exit status or -1 on abnormal exit. |
| 517 | */ |
| 518 | static int |
| 519 | execute_in_shell(const char *cmd) |
| 520 | { |
| 521 | char *shell; |
| 522 | pid_t pid; |
| 523 | int status; |
| 524 | |
| 525 | if ((shell = getenv("SHELL")) == NULL((void *)0)) |
| 526 | shell = _PATH_BSHELL"/bin/sh"; |
| 527 | |
| 528 | if (access(shell, X_OK0x01) == -1) { |
| 529 | fatal("Shell \"%s\" is not executable: %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 530 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Shell \"%s\" is not executable: %s" , shell, strerror((*__errno()))) |
| 530 | shell, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 530 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Shell \"%s\" is not executable: %s" , shell, strerror((*__errno()))); |
| 531 | } |
| 532 | |
| 533 | debug("Executing command: '%.500s'", cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 533 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Executing command: '%.500s'" , cmd); |
| 534 | |
| 535 | /* Fork and execute the command. */ |
| 536 | if ((pid = fork()) == 0) { |
| 537 | char *argv[4]; |
| 538 | |
| 539 | if (stdfd_devnull(1, 1, 0) == -1) |
| 540 | fatal_f("stdfd_devnull failed")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 540 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "stdfd_devnull failed"); |
| 541 | closefrom(STDERR_FILENO2 + 1); |
| 542 | |
| 543 | argv[0] = shell; |
| 544 | argv[1] = "-c"; |
| 545 | argv[2] = xstrdup(cmd); |
| 546 | argv[3] = NULL((void *)0); |
| 547 | |
| 548 | execv(argv[0], argv); |
| 549 | error("Unable to execute '%.100s': %s", cmd, strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 549 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unable to execute '%.100s': %s" , cmd, strerror((*__errno()))); |
| 550 | /* Die with signal to make this error apparent to parent. */ |
| 551 | ssh_signal(SIGTERM15, SIG_DFL(void (*)(int))0); |
| 552 | kill(getpid(), SIGTERM15); |
| 553 | _exit(1); |
| 554 | } |
| 555 | /* Parent. */ |
| 556 | if (pid == -1) |
| 557 | fatal_f("fork: %.100s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 557 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %.100s", strerror ((*__errno()))); |
| 558 | |
| 559 | while (waitpid(pid, &status, 0) == -1) { |
| 560 | if (errno(*__errno()) != EINTR4 && errno(*__errno()) != EAGAIN35) |
| 561 | fatal_f("waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 561 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "waitpid: %s", strerror ((*__errno()))); |
| 562 | } |
| 563 | if (!WIFEXITED(status)(((status) & 0177) == 0)) { |
| 564 | error("command '%.100s' exited abnormally", cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 564 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "command '%.100s' exited abnormally" , cmd); |
| 565 | return -1; |
| 566 | } |
| 567 | debug3("command returned status %d", WEXITSTATUS(status))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 567 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "command returned status %d" , (int)(((unsigned)(status) >> 8) & 0xff)); |
| 568 | return WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff); |
| 569 | } |
| 570 | |
| 571 | /* |
| 572 | * Check whether a local network interface address appears in CIDR pattern- |
| 573 | * list 'addrlist'. Returns 1 if matched or 0 otherwise. |
| 574 | */ |
| 575 | static int |
| 576 | check_match_ifaddrs(const char *addrlist) |
| 577 | { |
| 578 | struct ifaddrs *ifa, *ifaddrs = NULL((void *)0); |
| 579 | int r, found = 0; |
| 580 | char addr[NI_MAXHOST256]; |
| 581 | socklen_t salen; |
| 582 | |
| 583 | if (getifaddrs(&ifaddrs) != 0) { |
| 584 | error("match localnetwork: getifaddrs failed: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 585 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "match localnetwork: getifaddrs failed: %s" , strerror((*__errno()))) |
| 585 | strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 585 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "match localnetwork: getifaddrs failed: %s" , strerror((*__errno()))); |
| 586 | return 0; |
| 587 | } |
| 588 | for (ifa = ifaddrs; ifa != NULL((void *)0); ifa = ifa->ifa_next) { |
| 589 | if (ifa->ifa_addr == NULL((void *)0) || ifa->ifa_name == NULL((void *)0) || |
| 590 | (ifa->ifa_flags & IFF_UP0x1) == 0) |
| 591 | continue; |
| 592 | switch (ifa->ifa_addr->sa_family) { |
| 593 | case AF_INET2: |
| 594 | salen = sizeof(struct sockaddr_in); |
| 595 | break; |
| 596 | case AF_INET624: |
| 597 | salen = sizeof(struct sockaddr_in6); |
| 598 | break; |
| 599 | case AF_LINK18: |
| 600 | /* ignore */ |
| 601 | continue; |
| 602 | default: |
| 603 | debug2_f("interface %s: unsupported address family %d",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 604 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "interface %s: unsupported address family %d" , ifa->ifa_name, ifa->ifa_addr->sa_family) |
| 604 | ifa->ifa_name, ifa->ifa_addr->sa_family)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 604 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "interface %s: unsupported address family %d" , ifa->ifa_name, ifa->ifa_addr->sa_family); |
| 605 | continue; |
| 606 | } |
| 607 | if ((r = getnameinfo(ifa->ifa_addr, salen, addr, sizeof(addr), |
| 608 | NULL((void *)0), 0, NI_NUMERICHOST1)) != 0) { |
| 609 | debug2_f("interface %s getnameinfo failed: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 610 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "interface %s getnameinfo failed: %s" , ifa->ifa_name, gai_strerror(r)) |
| 610 | ifa->ifa_name, gai_strerror(r))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 610 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "interface %s getnameinfo failed: %s" , ifa->ifa_name, gai_strerror(r)); |
| 611 | continue; |
| 612 | } |
| 613 | debug3_f("interface %s addr %s", ifa->ifa_name, addr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 613 , 1, SYSLOG_LEVEL_DEBUG3, ((void *)0), "interface %s addr %s" , ifa->ifa_name, addr); |
| 614 | if (addr_match_cidr_list(addr, addrlist) == 1) { |
| 615 | debug3_f("matched interface %s: address %s in %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 616 , 1, SYSLOG_LEVEL_DEBUG3, ((void *)0), "matched interface %s: address %s in %s" , ifa->ifa_name, addr, addrlist) |
| 616 | ifa->ifa_name, addr, addrlist)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 616 , 1, SYSLOG_LEVEL_DEBUG3, ((void *)0), "matched interface %s: address %s in %s" , ifa->ifa_name, addr, addrlist); |
| 617 | found = 1; |
| 618 | break; |
| 619 | } |
| 620 | } |
| 621 | freeifaddrs(ifaddrs); |
| 622 | return found; |
| 623 | } |
| 624 | |
| 625 | /* |
| 626 | * Parse and execute a Match directive. |
| 627 | */ |
| 628 | static int |
| 629 | match_cfg_line(Options *options, char **condition, struct passwd *pw, |
| 630 | const char *host_arg, const char *original_host, int final_pass, |
| 631 | int *want_final_pass, const char *filename, int linenum) |
| 632 | { |
| 633 | char *arg, *oattrib, *attrib, *cmd, *cp = *condition, *host, *criteria; |
| 634 | const char *ruser; |
| 635 | int r, port, this_result, result = 1, attributes = 0, negate; |
| 636 | char thishost[NI_MAXHOST256], shorthost[NI_MAXHOST256], portstr[NI_MAXSERV32]; |
| 637 | char uidstr[32]; |
| 638 | |
| 639 | /* |
| 640 | * Configuration is likely to be incomplete at this point so we |
| 641 | * must be prepared to use default values. |
| 642 | */ |
| 643 | port = options->port <= 0 ? default_ssh_port() : options->port; |
| 644 | ruser = options->user == NULL((void *)0) ? pw->pw_name : options->user; |
| 645 | if (final_pass) { |
| 646 | host = xstrdup(options->hostname); |
| 647 | } else if (options->hostname != NULL((void *)0)) { |
| 648 | /* NB. Please keep in sync with ssh.c:main() */ |
| 649 | host = percent_expand(options->hostname, |
| 650 | "h", host_arg, (char *)NULL((void *)0)); |
| 651 | } else { |
| 652 | host = xstrdup(host_arg); |
| 653 | } |
| 654 | |
| 655 | debug2("checking match for '%s' host %s originally %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 656 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "checking match for '%s' host %s originally %s" , cp, host, original_host) |
| 656 | cp, host, original_host)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 656 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "checking match for '%s' host %s originally %s" , cp, host, original_host); |
| 657 | while ((oattrib = attrib = strdelim(&cp)) && *attrib != '\0') { |
| 658 | /* Terminate on comment */ |
| 659 | if (*attrib == '#') { |
| 660 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 661 | break; |
| 662 | } |
| 663 | arg = criteria = NULL((void *)0); |
| 664 | this_result = 1; |
| 665 | if ((negate = (attrib[0] == '!'))) |
| 666 | attrib++; |
| 667 | /* Criterion "all" has no argument and must appear alone */ |
| 668 | if (strcasecmp(attrib, "all") == 0) { |
| 669 | if (attributes > 1 || ((arg = strdelim(&cp)) != NULL((void *)0) && |
| 670 | *arg != '\0' && *arg != '#')) { |
| 671 | error("%.200s line %d: '%s' cannot be combined "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 673 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib) |
| 672 | "with other Match attributes",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 673 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib) |
| 673 | filename, linenum, oattrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 673 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib); |
| 674 | result = -1; |
| 675 | goto out; |
| 676 | } |
| 677 | if (arg != NULL((void *)0) && *arg == '#') |
| 678 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 679 | if (result) |
| 680 | result = negate ? 0 : 1; |
| 681 | goto out; |
| 682 | } |
| 683 | attributes++; |
| 684 | /* criteria "final" and "canonical" have no argument */ |
| 685 | if (strcasecmp(attrib, "canonical") == 0 || |
| 686 | strcasecmp(attrib, "final") == 0) { |
| 687 | /* |
| 688 | * If the config requests "Match final" then remember |
| 689 | * this so we can perform a second pass later. |
| 690 | */ |
| 691 | if (strcasecmp(attrib, "final") == 0 && |
| 692 | want_final_pass != NULL((void *)0)) |
| 693 | *want_final_pass = 1; |
| 694 | r = !!final_pass; /* force bitmask member to boolean */ |
| 695 | if (r == (negate ? 1 : 0)) |
| 696 | this_result = result = 0; |
| 697 | debug3("%.200s line %d: %smatched '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 699 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib) |
| 698 | filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 699 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib) |
| 699 | this_result ? "" : "not ", oattrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 699 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib); |
| 700 | continue; |
| 701 | } |
| 702 | /* All other criteria require an argument */ |
| 703 | if ((arg = strdelim(&cp)) == NULL((void *)0) || |
| 704 | *arg == '\0' || *arg == '#') { |
| 705 | error("Missing Match criteria for %s", attrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 705 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Missing Match criteria for %s" , attrib); |
| 706 | result = -1; |
| 707 | goto out; |
| 708 | } |
| 709 | if (strcasecmp(attrib, "host") == 0) { |
| 710 | criteria = xstrdup(host); |
| 711 | r = match_hostname(host, arg) == 1; |
| 712 | if (r == (negate ? 1 : 0)) |
| 713 | this_result = result = 0; |
| 714 | } else if (strcasecmp(attrib, "originalhost") == 0) { |
| 715 | criteria = xstrdup(original_host); |
| 716 | r = match_hostname(original_host, arg) == 1; |
| 717 | if (r == (negate ? 1 : 0)) |
| 718 | this_result = result = 0; |
| 719 | } else if (strcasecmp(attrib, "user") == 0) { |
| 720 | criteria = xstrdup(ruser); |
| 721 | r = match_pattern_list(ruser, arg, 0) == 1; |
| 722 | if (r == (negate ? 1 : 0)) |
| 723 | this_result = result = 0; |
| 724 | } else if (strcasecmp(attrib, "localuser") == 0) { |
| 725 | criteria = xstrdup(pw->pw_name); |
| 726 | r = match_pattern_list(pw->pw_name, arg, 0) == 1; |
| 727 | if (r == (negate ? 1 : 0)) |
| 728 | this_result = result = 0; |
| 729 | } else if (strcasecmp(attrib, "localnetwork") == 0) { |
| 730 | if (addr_match_cidr_list(NULL((void *)0), arg) == -1) { |
| 731 | /* Error already printed */ |
| 732 | result = -1; |
| 733 | goto out; |
| 734 | } |
| 735 | r = check_match_ifaddrs(arg) == 1; |
| 736 | if (r == (negate ? 1 : 0)) |
| 737 | this_result = result = 0; |
| 738 | } else if (strcasecmp(attrib, "tagged") == 0) { |
| 739 | criteria = xstrdup(options->tag == NULL((void *)0) ? "" : |
| 740 | options->tag); |
| 741 | r = match_pattern_list(criteria, arg, 0) == 1; |
| 742 | if (r == (negate ? 1 : 0)) |
| 743 | this_result = result = 0; |
| 744 | } else if (strcasecmp(attrib, "exec") == 0) { |
| 745 | char *conn_hash_hex, *keyalias, *jmphost; |
| 746 | |
| 747 | if (gethostname(thishost, sizeof(thishost)) == -1) |
| 748 | fatal("gethostname: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 748 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "gethostname: %s", strerror ((*__errno()))); |
| 749 | jmphost = option_clear_or_none(options->jump_host) ? |
| 750 | "" : options->jump_host; |
| 751 | strlcpy(shorthost, thishost, sizeof(shorthost)); |
| 752 | shorthost[strcspn(thishost, ".")] = '\0'; |
| 753 | snprintf(portstr, sizeof(portstr), "%d", port); |
| 754 | snprintf(uidstr, sizeof(uidstr), "%llu", |
| 755 | (unsigned long long)pw->pw_uid); |
| 756 | conn_hash_hex = ssh_connection_hash(thishost, host, |
| 757 | portstr, ruser, jmphost); |
| 758 | keyalias = options->host_key_alias ? |
| 759 | options->host_key_alias : host; |
| 760 | |
| 761 | cmd = percent_expand(arg, |
| 762 | "C", conn_hash_hex, |
| 763 | "L", shorthost, |
| 764 | "d", pw->pw_dir, |
| 765 | "h", host, |
| 766 | "k", keyalias, |
| 767 | "l", thishost, |
| 768 | "n", original_host, |
| 769 | "p", portstr, |
| 770 | "r", ruser, |
| 771 | "u", pw->pw_name, |
| 772 | "i", uidstr, |
| 773 | "j", jmphost, |
| 774 | (char *)NULL((void *)0)); |
| 775 | free(conn_hash_hex); |
| 776 | if (result != 1) { |
| 777 | /* skip execution if prior predicate failed */ |
| 778 | debug3("%.200s line %d: skipped exec "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 779 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: skipped exec " "\"%.100s\"", filename, linenum, cmd) |
| 779 | "\"%.100s\"", filename, linenum, cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 779 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: skipped exec " "\"%.100s\"", filename, linenum, cmd); |
| 780 | free(cmd); |
| 781 | continue; |
| 782 | } |
| 783 | r = execute_in_shell(cmd); |
| 784 | if (r == -1) { |
| 785 | fatal("%.200s line %d: match exec "sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 787 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd) |
| 786 | "'%.100s' error", filename,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 787 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd) |
| 787 | linenum, cmd)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 787 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd); |
| 788 | } |
| 789 | criteria = xstrdup(cmd); |
| 790 | free(cmd); |
| 791 | /* Force exit status to boolean */ |
| 792 | r = r == 0; |
| 793 | if (r == (negate ? 1 : 0)) |
| 794 | this_result = result = 0; |
| 795 | } else { |
| 796 | error("Unsupported Match attribute %s", attrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 796 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unsupported Match attribute %s" , attrib); |
| 797 | result = -1; |
| 798 | goto out; |
| 799 | } |
| 800 | debug3("%.200s line %d: %smatched '%s%s%.100s%s' ",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 804 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s%s%.100s%s' " , filename, linenum, this_result ? "": "not ", oattrib, criteria == ((void *)0) ? "" : " \"", criteria == ((void *)0) ? "" : criteria , criteria == ((void *)0) ? "" : "\"") |
| 801 | filename, linenum, this_result ? "": "not ", oattrib,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 804 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s%s%.100s%s' " , filename, linenum, this_result ? "": "not ", oattrib, criteria == ((void *)0) ? "" : " \"", criteria == ((void *)0) ? "" : criteria , criteria == ((void *)0) ? "" : "\"") |
| 802 | criteria == NULL ? "" : " \"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 804 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s%s%.100s%s' " , filename, linenum, this_result ? "": "not ", oattrib, criteria == ((void *)0) ? "" : " \"", criteria == ((void *)0) ? "" : criteria , criteria == ((void *)0) ? "" : "\"") |
| 803 | criteria == NULL ? "" : criteria,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 804 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s%s%.100s%s' " , filename, linenum, this_result ? "": "not ", oattrib, criteria == ((void *)0) ? "" : " \"", criteria == ((void *)0) ? "" : criteria , criteria == ((void *)0) ? "" : "\"") |
| 804 | criteria == NULL ? "" : "\"")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 804 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s%s%.100s%s' " , filename, linenum, this_result ? "": "not ", oattrib, criteria == ((void *)0) ? "" : " \"", criteria == ((void *)0) ? "" : criteria , criteria == ((void *)0) ? "" : "\""); |
| 805 | free(criteria); |
| 806 | } |
| 807 | if (attributes == 0) { |
| 808 | error("One or more attributes required for Match")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 808 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "One or more attributes required for Match" ); |
| 809 | result = -1; |
| 810 | goto out; |
| 811 | } |
| 812 | out: |
| 813 | if (result != -1) |
| 814 | debug2("match %sfound", result ? "" : "not ")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 814 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "match %sfound", result ? "" : "not "); |
| 815 | *condition = cp; |
| 816 | free(host); |
| 817 | return result; |
| 818 | } |
| 819 | |
| 820 | /* Remove environment variable by pattern */ |
| 821 | static void |
| 822 | rm_env(Options *options, const char *arg, const char *filename, int linenum) |
| 823 | { |
| 824 | u_int i, j, onum_send_env = options->num_send_env; |
| 825 | |
| 826 | /* Remove an environment variable */ |
| 827 | for (i = 0; i < options->num_send_env; ) { |
| 828 | if (!match_pattern(options->send_env[i], arg + 1)) { |
| 829 | i++; |
| 830 | continue; |
| 831 | } |
| 832 | debug3("%s line %d: removing environment %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 833 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%s line %d: removing environment %s" , filename, linenum, options->send_env[i]) |
| 833 | filename, linenum, options->send_env[i])sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 833 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%s line %d: removing environment %s" , filename, linenum, options->send_env[i]); |
| 834 | free(options->send_env[i]); |
| 835 | options->send_env[i] = NULL((void *)0); |
| 836 | for (j = i; j < options->num_send_env - 1; j++) { |
| 837 | options->send_env[j] = options->send_env[j + 1]; |
| 838 | options->send_env[j + 1] = NULL((void *)0); |
| 839 | } |
| 840 | options->num_send_env--; |
| 841 | /* NB. don't increment i */ |
| 842 | } |
| 843 | if (onum_send_env != options->num_send_env) { |
| 844 | options->send_env = xrecallocarray(options->send_env, |
| 845 | onum_send_env, options->num_send_env, |
| 846 | sizeof(*options->send_env)); |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | /* |
| 851 | * Returns the number of the token pointed to by cp or oBadOption. |
| 852 | */ |
| 853 | static OpCodes |
| 854 | parse_token(const char *cp, const char *filename, int linenum, |
| 855 | const char *ignored_unknown) |
| 856 | { |
| 857 | int i; |
| 858 | |
| 859 | for (i = 0; keywords[i].name; i++) |
| 860 | if (strcmp(cp, keywords[i].name) == 0) |
| 861 | return keywords[i].opcode; |
| 862 | if (ignored_unknown != NULL((void *)0) && |
| 863 | match_pattern_list(cp, ignored_unknown, 1) == 1) |
| 864 | return oIgnoredUnknownOption; |
| 865 | error("%s: line %d: Bad configuration option: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 866 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp) |
| 866 | filename, linenum, cp)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 866 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp); |
| 867 | return oBadOption; |
| 868 | } |
| 869 | |
| 870 | /* Multistate option parsing */ |
| 871 | struct multistate { |
| 872 | char *key; |
| 873 | int value; |
| 874 | }; |
| 875 | static const struct multistate multistate_flag[] = { |
| 876 | { "true", 1 }, |
| 877 | { "false", 0 }, |
| 878 | { "yes", 1 }, |
| 879 | { "no", 0 }, |
| 880 | { NULL((void *)0), -1 } |
| 881 | }; |
| 882 | static const struct multistate multistate_yesnoask[] = { |
| 883 | { "true", 1 }, |
| 884 | { "false", 0 }, |
| 885 | { "yes", 1 }, |
| 886 | { "no", 0 }, |
| 887 | { "ask", 2 }, |
| 888 | { NULL((void *)0), -1 } |
| 889 | }; |
| 890 | static const struct multistate multistate_strict_hostkey[] = { |
| 891 | { "true", SSH_STRICT_HOSTKEY_YES2 }, |
| 892 | { "false", SSH_STRICT_HOSTKEY_OFF0 }, |
| 893 | { "yes", SSH_STRICT_HOSTKEY_YES2 }, |
| 894 | { "no", SSH_STRICT_HOSTKEY_OFF0 }, |
| 895 | { "ask", SSH_STRICT_HOSTKEY_ASK3 }, |
| 896 | { "off", SSH_STRICT_HOSTKEY_OFF0 }, |
| 897 | { "accept-new", SSH_STRICT_HOSTKEY_NEW1 }, |
| 898 | { NULL((void *)0), -1 } |
| 899 | }; |
| 900 | static const struct multistate multistate_yesnoaskconfirm[] = { |
| 901 | { "true", 1 }, |
| 902 | { "false", 0 }, |
| 903 | { "yes", 1 }, |
| 904 | { "no", 0 }, |
| 905 | { "ask", 2 }, |
| 906 | { "confirm", 3 }, |
| 907 | { NULL((void *)0), -1 } |
| 908 | }; |
| 909 | static const struct multistate multistate_addressfamily[] = { |
| 910 | { "inet", AF_INET2 }, |
| 911 | { "inet6", AF_INET624 }, |
| 912 | { "any", AF_UNSPEC0 }, |
| 913 | { NULL((void *)0), -1 } |
| 914 | }; |
| 915 | static const struct multistate multistate_controlmaster[] = { |
| 916 | { "true", SSHCTL_MASTER_YES1 }, |
| 917 | { "yes", SSHCTL_MASTER_YES1 }, |
| 918 | { "false", SSHCTL_MASTER_NO0 }, |
| 919 | { "no", SSHCTL_MASTER_NO0 }, |
| 920 | { "auto", SSHCTL_MASTER_AUTO2 }, |
| 921 | { "ask", SSHCTL_MASTER_ASK3 }, |
| 922 | { "autoask", SSHCTL_MASTER_AUTO_ASK4 }, |
| 923 | { NULL((void *)0), -1 } |
| 924 | }; |
| 925 | static const struct multistate multistate_tunnel[] = { |
| 926 | { "ethernet", SSH_TUNMODE_ETHERNET0x02 }, |
| 927 | { "point-to-point", SSH_TUNMODE_POINTOPOINT0x01 }, |
| 928 | { "true", SSH_TUNMODE_DEFAULT0x01 }, |
| 929 | { "yes", SSH_TUNMODE_DEFAULT0x01 }, |
| 930 | { "false", SSH_TUNMODE_NO0x00 }, |
| 931 | { "no", SSH_TUNMODE_NO0x00 }, |
| 932 | { NULL((void *)0), -1 } |
| 933 | }; |
| 934 | static const struct multistate multistate_requesttty[] = { |
| 935 | { "true", REQUEST_TTY_YES2 }, |
| 936 | { "yes", REQUEST_TTY_YES2 }, |
| 937 | { "false", REQUEST_TTY_NO1 }, |
| 938 | { "no", REQUEST_TTY_NO1 }, |
| 939 | { "force", REQUEST_TTY_FORCE3 }, |
| 940 | { "auto", REQUEST_TTY_AUTO0 }, |
| 941 | { NULL((void *)0), -1 } |
| 942 | }; |
| 943 | static const struct multistate multistate_sessiontype[] = { |
| 944 | { "none", SESSION_TYPE_NONE0 }, |
| 945 | { "subsystem", SESSION_TYPE_SUBSYSTEM1 }, |
| 946 | { "default", SESSION_TYPE_DEFAULT2 }, |
| 947 | { NULL((void *)0), -1 } |
| 948 | }; |
| 949 | static const struct multistate multistate_canonicalizehostname[] = { |
| 950 | { "true", SSH_CANONICALISE_YES1 }, |
| 951 | { "false", SSH_CANONICALISE_NO0 }, |
| 952 | { "yes", SSH_CANONICALISE_YES1 }, |
| 953 | { "no", SSH_CANONICALISE_NO0 }, |
| 954 | { "always", SSH_CANONICALISE_ALWAYS2 }, |
| 955 | { NULL((void *)0), -1 } |
| 956 | }; |
| 957 | static const struct multistate multistate_pubkey_auth[] = { |
| 958 | { "true", SSH_PUBKEY_AUTH_ALL0x03 }, |
| 959 | { "false", SSH_PUBKEY_AUTH_NO0x00 }, |
| 960 | { "yes", SSH_PUBKEY_AUTH_ALL0x03 }, |
| 961 | { "no", SSH_PUBKEY_AUTH_NO0x00 }, |
| 962 | { "unbound", SSH_PUBKEY_AUTH_UNBOUND0x01 }, |
| 963 | { "host-bound", SSH_PUBKEY_AUTH_HBOUND0x02 }, |
| 964 | { NULL((void *)0), -1 } |
| 965 | }; |
| 966 | static const struct multistate multistate_compression[] = { |
| 967 | #ifdef WITH_ZLIB1 |
| 968 | { "yes", COMP_ZLIB1 }, |
| 969 | #endif |
| 970 | { "no", COMP_NONE0 }, |
| 971 | { NULL((void *)0), -1 } |
| 972 | }; |
| 973 | |
| 974 | static int |
| 975 | parse_multistate_value(const char *arg, const char *filename, int linenum, |
| 976 | const struct multistate *multistate_ptr) |
| 977 | { |
| 978 | int i; |
| 979 | |
| 980 | if (!arg || *arg == '\0') { |
| 981 | error("%s line %d: missing argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 981 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum); |
| 982 | return -1; |
| 983 | } |
| 984 | for (i = 0; multistate_ptr[i].key != NULL((void *)0); i++) { |
| 985 | if (strcasecmp(arg, multistate_ptr[i].key) == 0) |
| 986 | return multistate_ptr[i].value; |
| 987 | } |
| 988 | return -1; |
| 989 | } |
| 990 | |
| 991 | /* |
| 992 | * Processes a single option line as used in the configuration files. This |
| 993 | * only sets those values that have not already been set. |
| 994 | */ |
| 995 | int |
| 996 | process_config_line(Options *options, struct passwd *pw, const char *host, |
| 997 | const char *original_host, char *line, const char *filename, |
| 998 | int linenum, int *activep, int flags) |
| 999 | { |
| 1000 | return process_config_line_depth(options, pw, host, original_host, |
| 1001 | line, filename, linenum, activep, flags, NULL((void *)0), 0); |
| 1002 | } |
| 1003 | |
| 1004 | #define WHITESPACE" \t\r\n" " \t\r\n" |
| 1005 | static int |
| 1006 | process_config_line_depth(Options *options, struct passwd *pw, const char *host, |
| 1007 | const char *original_host, char *line, const char *filename, |
| 1008 | int linenum, int *activep, int flags, int *want_final_pass, int depth) |
| 1009 | { |
| 1010 | char *str, **charptr, *endofnumber, *keyword, *arg, *arg2, *p; |
| 1011 | char **cpptr, ***cppptr, fwdarg[256]; |
| 1012 | u_int i, *uintptr, uvalue, max_entries = 0; |
| 1013 | int r, oactive, negated, opcode, *intptr, value, value2, cmdline = 0; |
| 1014 | int remotefwd, dynamicfwd, ca_only = 0; |
| 1015 | LogLevel *log_level_ptr; |
| 1016 | SyslogFacility *log_facility_ptr; |
| 1017 | long long val64; |
| 1018 | size_t len; |
| 1019 | struct Forward fwd; |
| 1020 | const struct multistate *multistate_ptr; |
| 1021 | struct allowed_cname *cname; |
| 1022 | glob_t gl; |
| 1023 | const char *errstr; |
| 1024 | char **oav = NULL((void *)0), **av; |
| 1025 | int oac = 0, ac; |
| 1026 | int ret = -1; |
| 1027 | |
| 1028 | if (activep == NULL((void *)0)) { /* We are processing a command line directive */ |
| 1029 | cmdline = 1; |
| 1030 | activep = &cmdline; |
| 1031 | } |
| 1032 | |
| 1033 | /* Strip trailing whitespace. Allow \f (form feed) at EOL only */ |
| 1034 | if ((len = strlen(line)) == 0) |
| 1035 | return 0; |
| 1036 | for (len--; len > 0; len--) { |
| 1037 | if (strchr(WHITESPACE" \t\r\n" "\f", line[len]) == NULL((void *)0)) |
| 1038 | break; |
| 1039 | line[len] = '\0'; |
| 1040 | } |
| 1041 | |
| 1042 | str = line; |
| 1043 | /* Get the keyword. (Each line is supposed to begin with a keyword). */ |
| 1044 | if ((keyword = strdelim(&str)) == NULL((void *)0)) |
| 1045 | return 0; |
| 1046 | /* Ignore leading whitespace. */ |
| 1047 | if (*keyword == '\0') |
| 1048 | keyword = strdelim(&str); |
| 1049 | if (keyword == NULL((void *)0) || !*keyword || *keyword == '\n' || *keyword == '#') |
| 1050 | return 0; |
| 1051 | /* Match lowercase keyword */ |
| 1052 | lowercase(keyword); |
| 1053 | |
| 1054 | /* Prepare to parse remainder of line */ |
| 1055 | if (str != NULL((void *)0)) |
| 1056 | str += strspn(str, WHITESPACE" \t\r\n"); |
| 1057 | if (str == NULL((void *)0) || *str == '\0') { |
| 1058 | error("%s line %d: no argument after keyword \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1059 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword) |
| 1059 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1059 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword); |
| 1060 | return -1; |
| 1061 | } |
| 1062 | opcode = parse_token(keyword, filename, linenum, |
| 1063 | options->ignored_unknown); |
| 1064 | if (argv_split(str, &oac, &oav, 1) != 0) { |
| 1065 | error("%s line %d: invalid quotes", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1065 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid quotes" , filename, linenum); |
| 1066 | return -1; |
| 1067 | } |
| 1068 | ac = oac; |
| 1069 | av = oav; |
| 1070 | |
| 1071 | switch (opcode) { |
| 1072 | case oBadOption: |
| 1073 | /* don't panic, but count bad options */ |
| 1074 | goto out; |
| 1075 | case oIgnore: |
| 1076 | argv_consume(&ac); |
| 1077 | break; |
| 1078 | case oIgnoredUnknownOption: |
| 1079 | debug("%s line %d: Ignored unknown option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1080 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Ignored unknown option \"%s\"" , filename, linenum, keyword) |
| 1080 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1080 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Ignored unknown option \"%s\"" , filename, linenum, keyword); |
| 1081 | argv_consume(&ac); |
| 1082 | break; |
| 1083 | case oConnectTimeout: |
| 1084 | intptr = &options->connection_timeout; |
| 1085 | parse_time: |
| 1086 | arg = argv_next(&ac, &av); |
| 1087 | if (!arg || *arg == '\0') { |
| 1088 | error("%s line %d: missing time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1089 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing time value." , filename, linenum) |
| 1089 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1089 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing time value." , filename, linenum); |
| 1090 | goto out; |
| 1091 | } |
| 1092 | if (strcmp(arg, "none") == 0) |
| 1093 | value = -1; |
| 1094 | else if ((value = convtime(arg)) == -1) { |
| 1095 | error("%s line %d: invalid time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1096 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum) |
| 1096 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1096 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum); |
| 1097 | goto out; |
| 1098 | } |
| 1099 | if (*activep && *intptr == -1) |
| 1100 | *intptr = value; |
| 1101 | break; |
| 1102 | |
| 1103 | case oForwardAgent: |
| 1104 | intptr = &options->forward_agent; |
| 1105 | |
| 1106 | arg = argv_next(&ac, &av); |
| 1107 | if (!arg || *arg == '\0') { |
| 1108 | error("%s line %d: missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1109 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum) |
| 1109 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1109 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum); |
| 1110 | goto out; |
| 1111 | } |
| 1112 | |
| 1113 | value = -1; |
| 1114 | multistate_ptr = multistate_flag; |
| 1115 | for (i = 0; multistate_ptr[i].key != NULL((void *)0); i++) { |
| 1116 | if (strcasecmp(arg, multistate_ptr[i].key) == 0) { |
| 1117 | value = multistate_ptr[i].value; |
| 1118 | break; |
| 1119 | } |
| 1120 | } |
| 1121 | if (value != -1) { |
| 1122 | if (*activep && *intptr == -1) |
| 1123 | *intptr = value; |
| 1124 | break; |
| 1125 | } |
| 1126 | /* ForwardAgent wasn't 'yes' or 'no', assume a path */ |
| 1127 | if (*activep && *intptr == -1) |
| 1128 | *intptr = 1; |
| 1129 | |
| 1130 | charptr = &options->forward_agent_sock_path; |
| 1131 | goto parse_agent_path; |
| 1132 | |
| 1133 | case oForwardX11: |
| 1134 | intptr = &options->forward_x11; |
| 1135 | parse_flag: |
| 1136 | multistate_ptr = multistate_flag; |
| 1137 | parse_multistate: |
| 1138 | arg = argv_next(&ac, &av); |
| 1139 | if ((value = parse_multistate_value(arg, filename, linenum, |
| 1140 | multistate_ptr)) == -1) { |
| 1141 | error("%s line %d: unsupported option \"%s\".",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1142 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg) |
| 1142 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1142 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg); |
| 1143 | goto out; |
| 1144 | } |
| 1145 | if (*activep && *intptr == -1) |
| 1146 | *intptr = value; |
| 1147 | break; |
| 1148 | |
| 1149 | case oForwardX11Trusted: |
| 1150 | intptr = &options->forward_x11_trusted; |
| 1151 | goto parse_flag; |
| 1152 | |
| 1153 | case oForwardX11Timeout: |
| 1154 | intptr = &options->forward_x11_timeout; |
| 1155 | goto parse_time; |
| 1156 | |
| 1157 | case oGatewayPorts: |
| 1158 | intptr = &options->fwd_opts.gateway_ports; |
| 1159 | goto parse_flag; |
| 1160 | |
| 1161 | case oExitOnForwardFailure: |
| 1162 | intptr = &options->exit_on_forward_failure; |
| 1163 | goto parse_flag; |
| 1164 | |
| 1165 | case oPasswordAuthentication: |
| 1166 | intptr = &options->password_authentication; |
| 1167 | goto parse_flag; |
| 1168 | |
| 1169 | case oKbdInteractiveAuthentication: |
| 1170 | intptr = &options->kbd_interactive_authentication; |
| 1171 | goto parse_flag; |
| 1172 | |
| 1173 | case oKbdInteractiveDevices: |
| 1174 | charptr = &options->kbd_interactive_devices; |
| 1175 | goto parse_string; |
| 1176 | |
| 1177 | case oPubkeyAuthentication: |
| 1178 | multistate_ptr = multistate_pubkey_auth; |
| 1179 | intptr = &options->pubkey_authentication; |
| 1180 | goto parse_multistate; |
| 1181 | |
| 1182 | case oHostbasedAuthentication: |
| 1183 | intptr = &options->hostbased_authentication; |
| 1184 | goto parse_flag; |
| 1185 | |
| 1186 | case oGssAuthentication: |
| 1187 | intptr = &options->gss_authentication; |
| 1188 | goto parse_flag; |
| 1189 | |
| 1190 | case oGssDelegateCreds: |
| 1191 | intptr = &options->gss_deleg_creds; |
| 1192 | goto parse_flag; |
| 1193 | |
| 1194 | case oBatchMode: |
| 1195 | intptr = &options->batch_mode; |
| 1196 | goto parse_flag; |
| 1197 | |
| 1198 | case oCheckHostIP: |
| 1199 | intptr = &options->check_host_ip; |
| 1200 | goto parse_flag; |
| 1201 | |
| 1202 | case oVerifyHostKeyDNS: |
| 1203 | intptr = &options->verify_host_key_dns; |
| 1204 | multistate_ptr = multistate_yesnoask; |
| 1205 | goto parse_multistate; |
| 1206 | |
| 1207 | case oStrictHostKeyChecking: |
| 1208 | intptr = &options->strict_host_key_checking; |
| 1209 | multistate_ptr = multistate_strict_hostkey; |
| 1210 | goto parse_multistate; |
| 1211 | |
| 1212 | case oCompression: |
| 1213 | intptr = &options->compression; |
| 1214 | multistate_ptr = multistate_compression; |
| 1215 | goto parse_multistate; |
| 1216 | |
| 1217 | case oTCPKeepAlive: |
| 1218 | intptr = &options->tcp_keep_alive; |
| 1219 | goto parse_flag; |
| 1220 | |
| 1221 | case oNoHostAuthenticationForLocalhost: |
| 1222 | intptr = &options->no_host_authentication_for_localhost; |
| 1223 | goto parse_flag; |
| 1224 | |
| 1225 | case oNumberOfPasswordPrompts: |
| 1226 | intptr = &options->number_of_password_prompts; |
| 1227 | goto parse_int; |
| 1228 | |
| 1229 | case oRekeyLimit: |
| 1230 | arg = argv_next(&ac, &av); |
| 1231 | if (!arg || *arg == '\0') { |
| 1232 | error("%.200s line %d: Missing argument.", filename,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1233 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1233 | linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1233 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1234 | goto out; |
| 1235 | } |
| 1236 | if (strcmp(arg, "default") == 0) { |
| 1237 | val64 = 0; |
| 1238 | } else { |
| 1239 | if (scan_scaled(arg, &val64) == -1) { |
| 1240 | error("%.200s line %d: Bad number '%s': %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1241 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad number '%s': %s" , filename, linenum, arg, strerror((*__errno()))) |
| 1241 | filename, linenum, arg, strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1241 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad number '%s': %s" , filename, linenum, arg, strerror((*__errno()))); |
| 1242 | goto out; |
| 1243 | } |
| 1244 | if (val64 != 0 && val64 < 16) { |
| 1245 | error("%.200s line %d: RekeyLimit too small",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1246 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: RekeyLimit too small" , filename, linenum) |
| 1246 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1246 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: RekeyLimit too small" , filename, linenum); |
| 1247 | goto out; |
| 1248 | } |
| 1249 | } |
| 1250 | if (*activep && options->rekey_limit == -1) |
| 1251 | options->rekey_limit = val64; |
| 1252 | if (ac != 0) { /* optional rekey interval present */ |
| 1253 | if (strcmp(av[0], "none") == 0) { |
| 1254 | (void)argv_next(&ac, &av); /* discard */ |
| 1255 | break; |
| 1256 | } |
| 1257 | intptr = &options->rekey_interval; |
| 1258 | goto parse_time; |
| 1259 | } |
| 1260 | break; |
| 1261 | |
| 1262 | case oIdentityFile: |
| 1263 | arg = argv_next(&ac, &av); |
| 1264 | if (!arg || *arg == '\0') { |
| 1265 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1266 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1266 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1266 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1267 | goto out; |
| 1268 | } |
| 1269 | if (*activep) { |
| 1270 | intptr = &options->num_identity_files; |
| 1271 | if (*intptr >= SSH_MAX_IDENTITY_FILES100) { |
| 1272 | error("%.200s line %d: Too many identity files "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1274 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100) |
| 1273 | "specified (max %d).", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1274 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100) |
| 1274 | SSH_MAX_IDENTITY_FILES)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1274 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100); |
| 1275 | goto out; |
| 1276 | } |
| 1277 | add_identity_file(options, NULL((void *)0), |
| 1278 | arg, flags & SSHCONF_USERCONF2); |
| 1279 | } |
| 1280 | break; |
| 1281 | |
| 1282 | case oCertificateFile: |
| 1283 | arg = argv_next(&ac, &av); |
| 1284 | if (!arg || *arg == '\0') { |
| 1285 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1286 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1286 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1286 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1287 | goto out; |
| 1288 | } |
| 1289 | if (*activep) { |
| 1290 | intptr = &options->num_certificate_files; |
| 1291 | if (*intptr >= SSH_MAX_CERTIFICATE_FILES100) { |
| 1292 | error("%.200s line %d: Too many certificate "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1295 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1293 | "files specified (max %d).",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1295 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1294 | filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1295 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1295 | SSH_MAX_CERTIFICATE_FILES)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1295 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100); |
| 1296 | goto out; |
| 1297 | } |
| 1298 | add_certificate_file(options, arg, |
| 1299 | flags & SSHCONF_USERCONF2); |
| 1300 | } |
| 1301 | break; |
| 1302 | |
| 1303 | case oXAuthLocation: |
| 1304 | charptr=&options->xauth_location; |
| 1305 | goto parse_string; |
| 1306 | |
| 1307 | case oUser: |
| 1308 | charptr = &options->user; |
| 1309 | parse_string: |
| 1310 | arg = argv_next(&ac, &av); |
| 1311 | if (!arg || *arg == '\0') { |
| 1312 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1313 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1313 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1313 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1314 | goto out; |
| 1315 | } |
| 1316 | if (*activep && *charptr == NULL((void *)0)) |
| 1317 | *charptr = xstrdup(arg); |
| 1318 | break; |
| 1319 | |
| 1320 | case oGlobalKnownHostsFile: |
| 1321 | cpptr = (char **)&options->system_hostfiles; |
| 1322 | uintptr = &options->num_system_hostfiles; |
| 1323 | max_entries = SSH_MAX_HOSTS_FILES32; |
| 1324 | parse_char_array: |
| 1325 | i = 0; |
| 1326 | value = *uintptr == 0; /* was array empty when we started? */ |
| 1327 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1328 | if (*arg == '\0') { |
| 1329 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1330 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1330 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1330 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1331 | goto out; |
| 1332 | } |
| 1333 | /* Allow "none" only in first position */ |
| 1334 | if (strcasecmp(arg, "none") == 0) { |
| 1335 | if (i > 0 || ac > 0) { |
| 1336 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1338 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1337 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1338 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1338 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1338 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1339 | goto out; |
| 1340 | } |
| 1341 | } |
| 1342 | i++; |
| 1343 | if (*activep && value) { |
| 1344 | if ((*uintptr) >= max_entries) { |
| 1345 | error("%s line %d: too many %s "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1347 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword) |
| 1346 | "entries.", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1347 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword) |
| 1347 | keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1347 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword); |
| 1348 | goto out; |
| 1349 | } |
| 1350 | cpptr[(*uintptr)++] = xstrdup(arg); |
| 1351 | } |
| 1352 | } |
| 1353 | break; |
| 1354 | |
| 1355 | case oUserKnownHostsFile: |
| 1356 | cpptr = (char **)&options->user_hostfiles; |
| 1357 | uintptr = &options->num_user_hostfiles; |
| 1358 | max_entries = SSH_MAX_HOSTS_FILES32; |
| 1359 | goto parse_char_array; |
| 1360 | |
| 1361 | case oHostname: |
| 1362 | charptr = &options->hostname; |
| 1363 | goto parse_string; |
| 1364 | |
| 1365 | case oTag: |
| 1366 | charptr = &options->tag; |
| 1367 | goto parse_string; |
| 1368 | |
| 1369 | case oHostKeyAlias: |
| 1370 | charptr = &options->host_key_alias; |
| 1371 | goto parse_string; |
| 1372 | |
| 1373 | case oPreferredAuthentications: |
| 1374 | charptr = &options->preferred_authentications; |
| 1375 | goto parse_string; |
| 1376 | |
| 1377 | case oBindAddress: |
| 1378 | charptr = &options->bind_address; |
| 1379 | goto parse_string; |
| 1380 | |
| 1381 | case oBindInterface: |
| 1382 | charptr = &options->bind_interface; |
| 1383 | goto parse_string; |
| 1384 | |
| 1385 | case oPKCS11Provider: |
| 1386 | charptr = &options->pkcs11_provider; |
| 1387 | goto parse_string; |
| 1388 | |
| 1389 | case oSecurityKeyProvider: |
| 1390 | charptr = &options->sk_provider; |
| 1391 | goto parse_string; |
| 1392 | |
| 1393 | case oKnownHostsCommand: |
| 1394 | charptr = &options->known_hosts_command; |
| 1395 | goto parse_command; |
| 1396 | |
| 1397 | case oProxyCommand: |
| 1398 | charptr = &options->proxy_command; |
| 1399 | /* Ignore ProxyCommand if ProxyJump already specified */ |
| 1400 | if (options->jump_host != NULL((void *)0)) |
| 1401 | charptr = &options->jump_host; /* Skip below */ |
| 1402 | parse_command: |
| 1403 | if (str == NULL((void *)0)) { |
| 1404 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1405 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1405 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1405 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1406 | goto out; |
| 1407 | } |
| 1408 | len = strspn(str, WHITESPACE" \t\r\n" "="); |
| 1409 | if (*activep && *charptr == NULL((void *)0)) |
| 1410 | *charptr = xstrdup(str + len); |
| 1411 | argv_consume(&ac); |
| 1412 | break; |
| 1413 | |
| 1414 | case oProxyJump: |
| 1415 | if (str == NULL((void *)0)) { |
| 1416 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1417 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1417 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1417 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1418 | goto out; |
| 1419 | } |
| 1420 | len = strspn(str, WHITESPACE" \t\r\n" "="); |
| 1421 | /* XXX use argv? */ |
| 1422 | if (parse_jump(str + len, options, *activep) == -1) { |
| 1423 | error("%.200s line %d: Invalid ProxyJump \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1424 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid ProxyJump \"%s\"" , filename, linenum, str + len) |
| 1424 | filename, linenum, str + len)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1424 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid ProxyJump \"%s\"" , filename, linenum, str + len); |
| 1425 | goto out; |
| 1426 | } |
| 1427 | argv_consume(&ac); |
| 1428 | break; |
| 1429 | |
| 1430 | case oPort: |
| 1431 | arg = argv_next(&ac, &av); |
| 1432 | if (!arg || *arg == '\0') { |
| 1433 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1434 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1434 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1434 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1435 | goto out; |
| 1436 | } |
| 1437 | value = a2port(arg); |
| 1438 | if (value <= 0) { |
| 1439 | error("%.200s line %d: Bad port '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1440 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad port '%s'." , filename, linenum, arg) |
| 1440 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1440 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad port '%s'." , filename, linenum, arg); |
| 1441 | goto out; |
| 1442 | } |
| 1443 | if (*activep && options->port == -1) |
| 1444 | options->port = value; |
| 1445 | break; |
| 1446 | |
| 1447 | case oConnectionAttempts: |
| 1448 | intptr = &options->connection_attempts; |
| 1449 | parse_int: |
| 1450 | arg = argv_next(&ac, &av); |
| 1451 | if ((errstr = atoi_err(arg, &value)) != NULL((void *)0)) { |
| 1452 | error("%s line %d: integer value %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1453 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr) |
| 1453 | filename, linenum, errstr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1453 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr); |
| 1454 | goto out; |
| 1455 | } |
| 1456 | if (*activep && *intptr == -1) |
| 1457 | *intptr = value; |
| 1458 | break; |
| 1459 | |
| 1460 | case oCiphers: |
| 1461 | arg = argv_next(&ac, &av); |
| 1462 | if (!arg || *arg == '\0') { |
| 1463 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1464 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1464 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1464 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1465 | goto out; |
| 1466 | } |
| 1467 | if (*arg != '-' && |
| 1468 | !ciphers_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)){ |
| 1469 | error("%.200s line %d: Bad SSH2 cipher spec '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1470 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1470 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1470 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1471 | goto out; |
| 1472 | } |
| 1473 | if (*activep && options->ciphers == NULL((void *)0)) |
| 1474 | options->ciphers = xstrdup(arg); |
| 1475 | break; |
| 1476 | |
| 1477 | case oMacs: |
| 1478 | arg = argv_next(&ac, &av); |
| 1479 | if (!arg || *arg == '\0') { |
| 1480 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1481 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1481 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1481 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1482 | goto out; |
| 1483 | } |
| 1484 | if (*arg != '-' && |
| 1485 | !mac_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)) { |
| 1486 | error("%.200s line %d: Bad SSH2 MAC spec '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1487 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 MAC spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1487 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1487 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 MAC spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1488 | goto out; |
| 1489 | } |
| 1490 | if (*activep && options->macs == NULL((void *)0)) |
| 1491 | options->macs = xstrdup(arg); |
| 1492 | break; |
| 1493 | |
| 1494 | case oKexAlgorithms: |
| 1495 | arg = argv_next(&ac, &av); |
| 1496 | if (!arg || *arg == '\0') { |
| 1497 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1498 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1498 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1498 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1499 | goto out; |
| 1500 | } |
| 1501 | if (*arg != '-' && |
| 1502 | !kex_names_valid(*arg == '+' || *arg == '^' ? |
| 1503 | arg + 1 : arg)) { |
| 1504 | error("%.200s line %d: Bad SSH2 KexAlgorithms '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1505 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1505 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1505 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1506 | goto out; |
| 1507 | } |
| 1508 | if (*activep && options->kex_algorithms == NULL((void *)0)) |
| 1509 | options->kex_algorithms = xstrdup(arg); |
| 1510 | break; |
| 1511 | |
| 1512 | case oHostKeyAlgorithms: |
| 1513 | charptr = &options->hostkeyalgorithms; |
| 1514 | ca_only = 0; |
| 1515 | parse_pubkey_algos: |
| 1516 | arg = argv_next(&ac, &av); |
| 1517 | if (!arg || *arg == '\0') { |
| 1518 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1519 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1519 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1519 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1520 | goto out; |
| 1521 | } |
| 1522 | if (*arg != '-' && |
| 1523 | !sshkey_names_valid2(*arg == '+' || *arg == '^' ? |
| 1524 | arg + 1 : arg, 1, ca_only)) { |
| 1525 | error("%s line %d: Bad key types '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1526 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1526 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1526 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1527 | goto out; |
| 1528 | } |
| 1529 | if (*activep && *charptr == NULL((void *)0)) |
| 1530 | *charptr = xstrdup(arg); |
| 1531 | break; |
| 1532 | |
| 1533 | case oCASignatureAlgorithms: |
| 1534 | charptr = &options->ca_sign_algorithms; |
| 1535 | ca_only = 1; |
| 1536 | goto parse_pubkey_algos; |
| 1537 | |
| 1538 | case oLogLevel: |
| 1539 | log_level_ptr = &options->log_level; |
| 1540 | arg = argv_next(&ac, &av); |
| 1541 | value = log_level_number(arg); |
| 1542 | if (value == SYSLOG_LEVEL_NOT_SET) { |
| 1543 | error("%.200s line %d: unsupported log level '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1544 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1544 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1544 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1545 | goto out; |
| 1546 | } |
| 1547 | if (*activep && *log_level_ptr == SYSLOG_LEVEL_NOT_SET) |
| 1548 | *log_level_ptr = (LogLevel) value; |
| 1549 | break; |
| 1550 | |
| 1551 | case oLogFacility: |
| 1552 | log_facility_ptr = &options->log_facility; |
| 1553 | arg = argv_next(&ac, &av); |
| 1554 | value = log_facility_number(arg); |
| 1555 | if (value == SYSLOG_FACILITY_NOT_SET) { |
| 1556 | error("%.200s line %d: unsupported log facility '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1557 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1557 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1557 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1558 | goto out; |
| 1559 | } |
| 1560 | if (*log_facility_ptr == -1) |
| 1561 | *log_facility_ptr = (SyslogFacility) value; |
| 1562 | break; |
| 1563 | |
| 1564 | case oLogVerbose: |
| 1565 | cppptr = &options->log_verbose; |
| 1566 | uintptr = &options->num_log_verbose; |
| 1567 | i = 0; |
| 1568 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1569 | if (*arg == '\0') { |
| 1570 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1571 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1571 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1571 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1572 | goto out; |
| 1573 | } |
| 1574 | /* Allow "none" only in first position */ |
| 1575 | if (strcasecmp(arg, "none") == 0) { |
| 1576 | if (i > 0 || ac > 0) { |
| 1577 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1579 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1578 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1579 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1579 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1579 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1580 | goto out; |
| 1581 | } |
| 1582 | } |
| 1583 | i++; |
| 1584 | if (*activep && *uintptr == 0) { |
| 1585 | *cppptr = xrecallocarray(*cppptr, *uintptr, |
| 1586 | *uintptr + 1, sizeof(**cppptr)); |
| 1587 | (*cppptr)[(*uintptr)++] = xstrdup(arg); |
| 1588 | } |
| 1589 | } |
| 1590 | break; |
| 1591 | |
| 1592 | case oLocalForward: |
| 1593 | case oRemoteForward: |
| 1594 | case oDynamicForward: |
| 1595 | arg = argv_next(&ac, &av); |
| 1596 | if (!arg || *arg == '\0') { |
| 1597 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1598 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1598 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1598 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1599 | goto out; |
| 1600 | } |
| 1601 | |
| 1602 | remotefwd = (opcode == oRemoteForward); |
| 1603 | dynamicfwd = (opcode == oDynamicForward); |
| 1604 | |
| 1605 | if (!dynamicfwd) { |
| 1606 | arg2 = argv_next(&ac, &av); |
| 1607 | if (arg2 == NULL((void *)0) || *arg2 == '\0') { |
| 1608 | if (remotefwd) |
| 1609 | dynamicfwd = 1; |
| 1610 | else { |
| 1611 | error("%.200s line %d: Missing target "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1612 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing target " "argument.", filename, linenum) |
| 1612 | "argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1612 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing target " "argument.", filename, linenum); |
| 1613 | goto out; |
| 1614 | } |
| 1615 | } else { |
| 1616 | /* construct a string for parse_forward */ |
| 1617 | snprintf(fwdarg, sizeof(fwdarg), "%s:%s", arg, |
| 1618 | arg2); |
| 1619 | } |
| 1620 | } |
| 1621 | if (dynamicfwd) |
| 1622 | strlcpy(fwdarg, arg, sizeof(fwdarg)); |
| 1623 | |
| 1624 | if (parse_forward(&fwd, fwdarg, dynamicfwd, remotefwd) == 0) { |
| 1625 | error("%.200s line %d: Bad forwarding specification.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1626 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad forwarding specification." , filename, linenum) |
| 1626 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1626 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad forwarding specification." , filename, linenum); |
| 1627 | goto out; |
| 1628 | } |
| 1629 | |
| 1630 | if (*activep) { |
| 1631 | if (remotefwd) { |
| 1632 | add_remote_forward(options, &fwd); |
| 1633 | } else { |
| 1634 | add_local_forward(options, &fwd); |
| 1635 | } |
| 1636 | } |
| 1637 | break; |
| 1638 | |
| 1639 | case oPermitRemoteOpen: |
| 1640 | uintptr = &options->num_permitted_remote_opens; |
| 1641 | cppptr = &options->permitted_remote_opens; |
| 1642 | uvalue = *uintptr; /* modified later */ |
| 1643 | i = 0; |
| 1644 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1645 | arg2 = xstrdup(arg); |
| 1646 | /* Allow any/none only in first position */ |
| 1647 | if (strcasecmp(arg, "none") == 0 || |
| 1648 | strcasecmp(arg, "any") == 0) { |
| 1649 | if (i > 0 || ac > 0) { |
| 1650 | error("%s line %d: keyword %s \"%s\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1652 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"%s\" " "argument must appear alone.", filename, linenum, keyword, arg ) |
| 1651 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1652 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"%s\" " "argument must appear alone.", filename, linenum, keyword, arg ) |
| 1652 | filename, linenum, keyword, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1652 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"%s\" " "argument must appear alone.", filename, linenum, keyword, arg ); |
| 1653 | free(arg2); |
| 1654 | goto out; |
| 1655 | } |
| 1656 | } else { |
| 1657 | p = hpdelim(&arg); |
| 1658 | if (p == NULL((void *)0)) { |
| 1659 | fatal("%s line %d: missing host in %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1661 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1660 | filename, linenum,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1661 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1661 | lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1661 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)); |
| 1662 | } |
| 1663 | p = cleanhostname(p); |
Value stored to 'p' is never read | |
| 1664 | /* |
| 1665 | * don't want to use permitopen_port to avoid |
| 1666 | * dependency on channels.[ch] here. |
| 1667 | */ |
| 1668 | if (arg == NULL((void *)0) || (strcmp(arg, "*") != 0 && |
| 1669 | a2port(arg) <= 0)) { |
| 1670 | fatal("%s line %d: bad port number "sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1672 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number " "in %s", filename, linenum, lookup_opcode_name(opcode)) |
| 1671 | "in %s", filename, linenum,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1672 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number " "in %s", filename, linenum, lookup_opcode_name(opcode)) |
| 1672 | lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1672 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number " "in %s", filename, linenum, lookup_opcode_name(opcode)); |
| 1673 | } |
| 1674 | } |
| 1675 | if (*activep && uvalue == 0) { |
| 1676 | opt_array_append(filename, linenum, |
| 1677 | lookup_opcode_name(opcode), |
| 1678 | cppptr, uintptr, arg2); |
| 1679 | } |
| 1680 | free(arg2); |
| 1681 | i++; |
| 1682 | } |
| 1683 | if (i == 0) |
| 1684 | fatal("%s line %d: missing %s specification",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1685 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s specification" , filename, linenum, lookup_opcode_name(opcode)) |
| 1685 | filename, linenum, lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1685 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s specification" , filename, linenum, lookup_opcode_name(opcode)); |
| 1686 | break; |
| 1687 | |
| 1688 | case oClearAllForwardings: |
| 1689 | intptr = &options->clear_forwardings; |
| 1690 | goto parse_flag; |
| 1691 | |
| 1692 | case oHost: |
| 1693 | if (cmdline) { |
| 1694 | error("Host directive not supported as a command-line "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1695 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option") |
| 1695 | "option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1695 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option"); |
| 1696 | goto out; |
| 1697 | } |
| 1698 | *activep = 0; |
| 1699 | arg2 = NULL((void *)0); |
| 1700 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1701 | if (*arg == '\0') { |
| 1702 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1703 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1703 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1703 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1704 | goto out; |
| 1705 | } |
| 1706 | if ((flags & SSHCONF_NEVERMATCH8) != 0) { |
| 1707 | argv_consume(&ac); |
| 1708 | break; |
| 1709 | } |
| 1710 | negated = *arg == '!'; |
| 1711 | if (negated) |
| 1712 | arg++; |
| 1713 | if (match_pattern(host, arg)) { |
| 1714 | if (negated) { |
| 1715 | debug("%.200s line %d: Skipping Host "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1716 | "block because of negated match "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1717 | "for %.100s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1718 | arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg); |
| 1719 | *activep = 0; |
| 1720 | argv_consume(&ac); |
| 1721 | break; |
| 1722 | } |
| 1723 | if (!*activep) |
| 1724 | arg2 = arg; /* logged below */ |
| 1725 | *activep = 1; |
| 1726 | } |
| 1727 | } |
| 1728 | if (*activep) |
| 1729 | debug("%.200s line %d: Applying options for %.100s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1730 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Applying options for %.100s" , filename, linenum, arg2) |
| 1730 | filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1730 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Applying options for %.100s" , filename, linenum, arg2); |
| 1731 | break; |
| 1732 | |
| 1733 | case oMatch: |
| 1734 | if (cmdline) { |
| 1735 | error("Host directive not supported as a command-line "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1736 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option") |
| 1736 | "option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1736 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option"); |
| 1737 | goto out; |
| 1738 | } |
| 1739 | value = match_cfg_line(options, &str, pw, host, original_host, |
| 1740 | flags & SSHCONF_FINAL4, want_final_pass, |
| 1741 | filename, linenum); |
| 1742 | if (value < 0) { |
| 1743 | error("%.200s line %d: Bad Match condition", filename,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1744 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad Match condition" , filename, linenum) |
| 1744 | linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1744 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad Match condition" , filename, linenum); |
| 1745 | goto out; |
| 1746 | } |
| 1747 | *activep = (flags & SSHCONF_NEVERMATCH8) ? 0 : value; |
| 1748 | /* |
| 1749 | * If match_cfg_line() didn't consume all its arguments then |
| 1750 | * arrange for the extra arguments check below to fail. |
| 1751 | */ |
| 1752 | |
| 1753 | if (str == NULL((void *)0) || *str == '\0') |
| 1754 | argv_consume(&ac); |
| 1755 | break; |
| 1756 | |
| 1757 | case oEscapeChar: |
| 1758 | intptr = &options->escape_char; |
| 1759 | arg = argv_next(&ac, &av); |
| 1760 | if (!arg || *arg == '\0') { |
| 1761 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1762 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1762 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1762 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1763 | goto out; |
| 1764 | } |
| 1765 | if (strcmp(arg, "none") == 0) |
| 1766 | value = SSH_ESCAPECHAR_NONE-2; |
| 1767 | else if (arg[1] == '\0') |
| 1768 | value = (u_char) arg[0]; |
| 1769 | else if (arg[0] == '^' && arg[2] == 0 && |
| 1770 | (u_char) arg[1] >= 64 && (u_char) arg[1] < 128) |
| 1771 | value = (u_char) arg[1] & 31; |
| 1772 | else { |
| 1773 | error("%.200s line %d: Bad escape character.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1774 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad escape character." , filename, linenum) |
| 1774 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1774 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad escape character." , filename, linenum); |
| 1775 | goto out; |
| 1776 | } |
| 1777 | if (*activep && *intptr == -1) |
| 1778 | *intptr = value; |
| 1779 | break; |
| 1780 | |
| 1781 | case oAddressFamily: |
| 1782 | intptr = &options->address_family; |
| 1783 | multistate_ptr = multistate_addressfamily; |
| 1784 | goto parse_multistate; |
| 1785 | |
| 1786 | case oEnableSSHKeysign: |
| 1787 | intptr = &options->enable_ssh_keysign; |
| 1788 | goto parse_flag; |
| 1789 | |
| 1790 | case oIdentitiesOnly: |
| 1791 | intptr = &options->identities_only; |
| 1792 | goto parse_flag; |
| 1793 | |
| 1794 | case oServerAliveInterval: |
| 1795 | intptr = &options->server_alive_interval; |
| 1796 | goto parse_time; |
| 1797 | |
| 1798 | case oServerAliveCountMax: |
| 1799 | intptr = &options->server_alive_count_max; |
| 1800 | goto parse_int; |
| 1801 | |
| 1802 | case oSendEnv: |
| 1803 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1804 | if (*arg == '\0' || strchr(arg, '=') != NULL((void *)0)) { |
| 1805 | error("%s line %d: Invalid environment name.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1806 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum) |
| 1806 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1806 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum); |
| 1807 | goto out; |
| 1808 | } |
| 1809 | if (!*activep) |
| 1810 | continue; |
| 1811 | if (*arg == '-') { |
| 1812 | /* Removing an env var */ |
| 1813 | rm_env(options, arg, filename, linenum); |
| 1814 | continue; |
| 1815 | } |
| 1816 | opt_array_append(filename, linenum, |
| 1817 | lookup_opcode_name(opcode), |
| 1818 | &options->send_env, &options->num_send_env, arg); |
| 1819 | } |
| 1820 | break; |
| 1821 | |
| 1822 | case oSetEnv: |
| 1823 | value = options->num_setenv; |
| 1824 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1825 | if (strchr(arg, '=') == NULL((void *)0)) { |
| 1826 | error("%s line %d: Invalid SetEnv.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1827 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid SetEnv." , filename, linenum) |
| 1827 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1827 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid SetEnv." , filename, linenum); |
| 1828 | goto out; |
| 1829 | } |
| 1830 | if (!*activep || value != 0) |
| 1831 | continue; |
| 1832 | if (lookup_setenv_in_list(arg, options->setenv, |
| 1833 | options->num_setenv) != NULL((void *)0)) { |
| 1834 | debug2("%s line %d: ignoring duplicate env "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1835 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: ignoring duplicate env " "name \"%.64s\"", filename, linenum, arg) |
| 1835 | "name \"%.64s\"", filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1835 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: ignoring duplicate env " "name \"%.64s\"", filename, linenum, arg); |
| 1836 | continue; |
| 1837 | } |
| 1838 | opt_array_append(filename, linenum, |
| 1839 | lookup_opcode_name(opcode), |
| 1840 | &options->setenv, &options->num_setenv, arg); |
| 1841 | } |
| 1842 | break; |
| 1843 | |
| 1844 | case oControlPath: |
| 1845 | charptr = &options->control_path; |
| 1846 | goto parse_string; |
| 1847 | |
| 1848 | case oControlMaster: |
| 1849 | intptr = &options->control_master; |
| 1850 | multistate_ptr = multistate_controlmaster; |
| 1851 | goto parse_multistate; |
| 1852 | |
| 1853 | case oControlPersist: |
| 1854 | /* no/false/yes/true, or a time spec */ |
| 1855 | intptr = &options->control_persist; |
| 1856 | arg = argv_next(&ac, &av); |
| 1857 | if (!arg || *arg == '\0') { |
| 1858 | error("%.200s line %d: Missing ControlPersist"sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1859 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing ControlPersist" " argument.", filename, linenum) |
| 1859 | " argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1859 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing ControlPersist" " argument.", filename, linenum); |
| 1860 | goto out; |
| 1861 | } |
| 1862 | value = 0; |
| 1863 | value2 = 0; /* timeout */ |
| 1864 | if (strcmp(arg, "no") == 0 || strcmp(arg, "false") == 0) |
| 1865 | value = 0; |
| 1866 | else if (strcmp(arg, "yes") == 0 || strcmp(arg, "true") == 0) |
| 1867 | value = 1; |
| 1868 | else if ((value2 = convtime(arg)) >= 0) |
| 1869 | value = 1; |
| 1870 | else { |
| 1871 | error("%.200s line %d: Bad ControlPersist argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1872 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad ControlPersist argument." , filename, linenum) |
| 1872 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1872 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad ControlPersist argument." , filename, linenum); |
| 1873 | goto out; |
| 1874 | } |
| 1875 | if (*activep && *intptr == -1) { |
| 1876 | *intptr = value; |
| 1877 | options->control_persist_timeout = value2; |
| 1878 | } |
| 1879 | break; |
| 1880 | |
| 1881 | case oHashKnownHosts: |
| 1882 | intptr = &options->hash_known_hosts; |
| 1883 | goto parse_flag; |
| 1884 | |
| 1885 | case oTunnel: |
| 1886 | intptr = &options->tun_open; |
| 1887 | multistate_ptr = multistate_tunnel; |
| 1888 | goto parse_multistate; |
| 1889 | |
| 1890 | case oTunnelDevice: |
| 1891 | arg = argv_next(&ac, &av); |
| 1892 | if (!arg || *arg == '\0') { |
| 1893 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1894 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1894 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1894 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1895 | goto out; |
| 1896 | } |
| 1897 | value = a2tun(arg, &value2); |
| 1898 | if (value == SSH_TUNID_ERR(0x7fffffff - 1)) { |
| 1899 | error("%.200s line %d: Bad tun device.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1900 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad tun device." , filename, linenum) |
| 1900 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1900 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad tun device." , filename, linenum); |
| 1901 | goto out; |
| 1902 | } |
| 1903 | if (*activep && options->tun_local == -1) { |
| 1904 | options->tun_local = value; |
| 1905 | options->tun_remote = value2; |
| 1906 | } |
| 1907 | break; |
| 1908 | |
| 1909 | case oLocalCommand: |
| 1910 | charptr = &options->local_command; |
| 1911 | goto parse_command; |
| 1912 | |
| 1913 | case oPermitLocalCommand: |
| 1914 | intptr = &options->permit_local_command; |
| 1915 | goto parse_flag; |
| 1916 | |
| 1917 | case oRemoteCommand: |
| 1918 | charptr = &options->remote_command; |
| 1919 | goto parse_command; |
| 1920 | |
| 1921 | case oVisualHostKey: |
| 1922 | intptr = &options->visual_host_key; |
| 1923 | goto parse_flag; |
| 1924 | |
| 1925 | case oInclude: |
| 1926 | if (cmdline) { |
| 1927 | error("Include directive not supported as a "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1928 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Include directive not supported as a " "command-line option") |
| 1928 | "command-line option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1928 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Include directive not supported as a " "command-line option"); |
| 1929 | goto out; |
| 1930 | } |
| 1931 | value = 0; |
| 1932 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1933 | if (*arg == '\0') { |
| 1934 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1935 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1935 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1935 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1936 | goto out; |
| 1937 | } |
| 1938 | /* |
| 1939 | * Ensure all paths are anchored. User configuration |
| 1940 | * files may begin with '~/' but system configurations |
| 1941 | * must not. If the path is relative, then treat it |
| 1942 | * as living in ~/.ssh for user configurations or |
| 1943 | * /etc/ssh for system ones. |
| 1944 | */ |
| 1945 | if (*arg == '~' && (flags & SSHCONF_USERCONF2) == 0) { |
| 1946 | error("%.200s line %d: bad include path %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1947 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: bad include path %s." , filename, linenum, arg) |
| 1947 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1947 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: bad include path %s." , filename, linenum, arg); |
| 1948 | goto out; |
| 1949 | } |
| 1950 | if (!path_absolute(arg) && *arg != '~') { |
| 1951 | xasprintf(&arg2, "%s/%s", |
| 1952 | (flags & SSHCONF_USERCONF2) ? |
| 1953 | "~/" _PATH_SSH_USER_DIR".ssh" : SSHDIR"/etc" "/ssh", arg); |
| 1954 | } else |
| 1955 | arg2 = xstrdup(arg); |
| 1956 | memset(&gl, 0, sizeof(gl)); |
| 1957 | r = glob(arg2, GLOB_TILDE0x0800, NULL((void *)0), &gl); |
| 1958 | if (r == GLOB_NOMATCH(-3)) { |
| 1959 | debug("%.200s line %d: include %s matched no "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1960 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: include %s matched no " "files",filename, linenum, arg2) |
| 1960 | "files",filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1960 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: include %s matched no " "files",filename, linenum, arg2); |
| 1961 | free(arg2); |
| 1962 | continue; |
| 1963 | } else if (r != 0) { |
| 1964 | error("%.200s line %d: glob failed for %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1965 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: glob failed for %s." , filename, linenum, arg2) |
| 1965 | filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1965 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: glob failed for %s." , filename, linenum, arg2); |
| 1966 | goto out; |
| 1967 | } |
| 1968 | free(arg2); |
| 1969 | oactive = *activep; |
| 1970 | for (i = 0; i < gl.gl_pathc; i++) { |
| 1971 | debug3("%.200s line %d: Including file %s "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1974 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: Including file %s " "depth %d%s", filename, linenum, gl.gl_pathv[i], depth, oactive ? "" : " (parse only)") |
| 1972 | "depth %d%s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1974 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: Including file %s " "depth %d%s", filename, linenum, gl.gl_pathv[i], depth, oactive ? "" : " (parse only)") |
| 1973 | gl.gl_pathv[i], depth,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1974 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: Including file %s " "depth %d%s", filename, linenum, gl.gl_pathv[i], depth, oactive ? "" : " (parse only)") |
| 1974 | oactive ? "" : " (parse only)")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1974 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: Including file %s " "depth %d%s", filename, linenum, gl.gl_pathv[i], depth, oactive ? "" : " (parse only)"); |
| 1975 | r = read_config_file_depth(gl.gl_pathv[i], |
| 1976 | pw, host, original_host, options, |
| 1977 | flags | SSHCONF_CHECKPERM1 | |
| 1978 | (oactive ? 0 : SSHCONF_NEVERMATCH8), |
| 1979 | activep, want_final_pass, depth + 1); |
| 1980 | if (r != 1 && errno(*__errno()) != ENOENT2) { |
| 1981 | error("Can't open user config file "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1983 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))) |
| 1982 | "%.100s: %.100s", gl.gl_pathv[i],sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1983 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))) |
| 1983 | strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1983 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))); |
| 1984 | globfree(&gl); |
| 1985 | goto out; |
| 1986 | } |
| 1987 | /* |
| 1988 | * don't let Match in includes clobber the |
| 1989 | * containing file's Match state. |
| 1990 | */ |
| 1991 | *activep = oactive; |
| 1992 | if (r != 1) |
| 1993 | value = -1; |
| 1994 | } |
| 1995 | globfree(&gl); |
| 1996 | } |
| 1997 | if (value != 0) |
| 1998 | ret = value; |
| 1999 | break; |
| 2000 | |
| 2001 | case oIPQoS: |
| 2002 | arg = argv_next(&ac, &av); |
| 2003 | if ((value = parse_ipqos(arg)) == -1) { |
| 2004 | error("%s line %d: Bad IPQoS value: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2005 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg) |
| 2005 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2005 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg); |
| 2006 | goto out; |
| 2007 | } |
| 2008 | arg = argv_next(&ac, &av); |
| 2009 | if (arg == NULL((void *)0)) |
| 2010 | value2 = value; |
| 2011 | else if ((value2 = parse_ipqos(arg)) == -1) { |
| 2012 | error("%s line %d: Bad IPQoS value: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2013 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg) |
| 2013 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2013 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg); |
| 2014 | goto out; |
| 2015 | } |
| 2016 | if (*activep && options->ip_qos_interactive == -1) { |
| 2017 | options->ip_qos_interactive = value; |
| 2018 | options->ip_qos_bulk = value2; |
| 2019 | } |
| 2020 | break; |
| 2021 | |
| 2022 | case oRequestTTY: |
| 2023 | intptr = &options->request_tty; |
| 2024 | multistate_ptr = multistate_requesttty; |
| 2025 | goto parse_multistate; |
| 2026 | |
| 2027 | case oSessionType: |
| 2028 | intptr = &options->session_type; |
| 2029 | multistate_ptr = multistate_sessiontype; |
| 2030 | goto parse_multistate; |
| 2031 | |
| 2032 | case oStdinNull: |
| 2033 | intptr = &options->stdin_null; |
| 2034 | goto parse_flag; |
| 2035 | |
| 2036 | case oForkAfterAuthentication: |
| 2037 | intptr = &options->fork_after_authentication; |
| 2038 | goto parse_flag; |
| 2039 | |
| 2040 | case oIgnoreUnknown: |
| 2041 | charptr = &options->ignored_unknown; |
| 2042 | goto parse_string; |
| 2043 | |
| 2044 | case oProxyUseFdpass: |
| 2045 | intptr = &options->proxy_use_fdpass; |
| 2046 | goto parse_flag; |
| 2047 | |
| 2048 | case oCanonicalDomains: |
| 2049 | value = options->num_canonical_domains != 0; |
| 2050 | i = 0; |
| 2051 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2052 | if (*arg == '\0') { |
| 2053 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2054 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 2054 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2054 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 2055 | goto out; |
| 2056 | } |
| 2057 | /* Allow "none" only in first position */ |
| 2058 | if (strcasecmp(arg, "none") == 0) { |
| 2059 | if (i > 0 || ac > 0) { |
| 2060 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2062 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2061 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2062 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2062 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2062 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 2063 | goto out; |
| 2064 | } |
| 2065 | } |
| 2066 | i++; |
| 2067 | if (!valid_domain(arg, 1, &errstr)) { |
| 2068 | error("%s line %d: %s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2069 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: %s", filename , linenum, errstr) |
| 2069 | errstr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2069 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: %s", filename , linenum, errstr); |
| 2070 | goto out; |
| 2071 | } |
| 2072 | if (!*activep || value) |
| 2073 | continue; |
| 2074 | if (options->num_canonical_domains >= |
| 2075 | MAX_CANON_DOMAINS32) { |
| 2076 | error("%s line %d: too many hostname suffixes.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2077 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many hostname suffixes." , filename, linenum) |
| 2077 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2077 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many hostname suffixes." , filename, linenum); |
| 2078 | goto out; |
| 2079 | } |
| 2080 | options->canonical_domains[ |
| 2081 | options->num_canonical_domains++] = xstrdup(arg); |
| 2082 | } |
| 2083 | break; |
| 2084 | |
| 2085 | case oCanonicalizePermittedCNAMEs: |
| 2086 | value = options->num_permitted_cnames != 0; |
| 2087 | i = 0; |
| 2088 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2089 | /* |
| 2090 | * Either 'none' (only in first position), '*' for |
| 2091 | * everything or 'list:list' |
| 2092 | */ |
| 2093 | if (strcasecmp(arg, "none") == 0) { |
| 2094 | if (i > 0 || ac > 0) { |
| 2095 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2097 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2096 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2097 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2097 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2097 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 2098 | goto out; |
| 2099 | } |
| 2100 | arg2 = ""; |
| 2101 | } else if (strcmp(arg, "*") == 0) { |
| 2102 | arg2 = arg; |
| 2103 | } else { |
| 2104 | lowercase(arg); |
| 2105 | if ((arg2 = strchr(arg, ':')) == NULL((void *)0) || |
| 2106 | arg2[1] == '\0') { |
| 2107 | error("%s line %d: "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2109 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg) |
| 2108 | "Invalid permitted CNAME \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2109 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg) |
| 2109 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2109 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg); |
| 2110 | goto out; |
| 2111 | } |
| 2112 | *arg2 = '\0'; |
| 2113 | arg2++; |
| 2114 | } |
| 2115 | i++; |
| 2116 | if (!*activep || value) |
| 2117 | continue; |
| 2118 | if (options->num_permitted_cnames >= |
| 2119 | MAX_CANON_DOMAINS32) { |
| 2120 | error("%s line %d: too many permitted CNAMEs.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2121 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many permitted CNAMEs." , filename, linenum) |
| 2121 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2121 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many permitted CNAMEs." , filename, linenum); |
| 2122 | goto out; |
| 2123 | } |
| 2124 | cname = options->permitted_cnames + |
| 2125 | options->num_permitted_cnames++; |
| 2126 | cname->source_list = xstrdup(arg); |
| 2127 | cname->target_list = xstrdup(arg2); |
| 2128 | } |
| 2129 | break; |
| 2130 | |
| 2131 | case oCanonicalizeHostname: |
| 2132 | intptr = &options->canonicalize_hostname; |
| 2133 | multistate_ptr = multistate_canonicalizehostname; |
| 2134 | goto parse_multistate; |
| 2135 | |
| 2136 | case oCanonicalizeMaxDots: |
| 2137 | intptr = &options->canonicalize_max_dots; |
| 2138 | goto parse_int; |
| 2139 | |
| 2140 | case oCanonicalizeFallbackLocal: |
| 2141 | intptr = &options->canonicalize_fallback_local; |
| 2142 | goto parse_flag; |
| 2143 | |
| 2144 | case oStreamLocalBindMask: |
| 2145 | arg = argv_next(&ac, &av); |
| 2146 | if (!arg || *arg == '\0') { |
| 2147 | error("%.200s line %d: Missing StreamLocalBindMask "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2148 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing StreamLocalBindMask " "argument.", filename, linenum) |
| 2148 | "argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2148 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing StreamLocalBindMask " "argument.", filename, linenum); |
| 2149 | goto out; |
| 2150 | } |
| 2151 | /* Parse mode in octal format */ |
| 2152 | value = strtol(arg, &endofnumber, 8); |
| 2153 | if (arg == endofnumber || value < 0 || value > 0777) { |
| 2154 | error("%.200s line %d: Bad mask.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2154 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad mask." , filename, linenum); |
| 2155 | goto out; |
| 2156 | } |
| 2157 | options->fwd_opts.streamlocal_bind_mask = (mode_t)value; |
| 2158 | break; |
| 2159 | |
| 2160 | case oStreamLocalBindUnlink: |
| 2161 | intptr = &options->fwd_opts.streamlocal_bind_unlink; |
| 2162 | goto parse_flag; |
| 2163 | |
| 2164 | case oRevokedHostKeys: |
| 2165 | charptr = &options->revoked_host_keys; |
| 2166 | goto parse_string; |
| 2167 | |
| 2168 | case oFingerprintHash: |
| 2169 | intptr = &options->fingerprint_hash; |
| 2170 | arg = argv_next(&ac, &av); |
| 2171 | if (!arg || *arg == '\0') { |
| 2172 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2173 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 2173 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2173 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 2174 | goto out; |
| 2175 | } |
| 2176 | if ((value = ssh_digest_alg_by_name(arg)) == -1) { |
| 2177 | error("%.200s line %d: Invalid hash algorithm \"%s\".",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2178 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid hash algorithm \"%s\"." , filename, linenum, arg) |
| 2178 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2178 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid hash algorithm \"%s\"." , filename, linenum, arg); |
| 2179 | goto out; |
| 2180 | } |
| 2181 | if (*activep && *intptr == -1) |
| 2182 | *intptr = value; |
| 2183 | break; |
| 2184 | |
| 2185 | case oUpdateHostkeys: |
| 2186 | intptr = &options->update_hostkeys; |
| 2187 | multistate_ptr = multistate_yesnoask; |
| 2188 | goto parse_multistate; |
| 2189 | |
| 2190 | case oHostbasedAcceptedAlgorithms: |
| 2191 | charptr = &options->hostbased_accepted_algos; |
| 2192 | ca_only = 0; |
| 2193 | goto parse_pubkey_algos; |
| 2194 | |
| 2195 | case oPubkeyAcceptedAlgorithms: |
| 2196 | charptr = &options->pubkey_accepted_algos; |
| 2197 | ca_only = 0; |
| 2198 | goto parse_pubkey_algos; |
| 2199 | |
| 2200 | case oAddKeysToAgent: |
| 2201 | arg = argv_next(&ac, &av); |
| 2202 | arg2 = argv_next(&ac, &av); |
| 2203 | value = parse_multistate_value(arg, filename, linenum, |
| 2204 | multistate_yesnoaskconfirm); |
| 2205 | value2 = 0; /* unlimited lifespan by default */ |
| 2206 | if (value == 3 && arg2 != NULL((void *)0)) { |
| 2207 | /* allow "AddKeysToAgent confirm 5m" */ |
| 2208 | if ((value2 = convtime(arg2)) == -1) { |
| 2209 | error("%s line %d: invalid time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2210 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum) |
| 2210 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2210 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum); |
| 2211 | goto out; |
| 2212 | } |
| 2213 | } else if (value == -1 && arg2 == NULL((void *)0)) { |
| 2214 | if ((value2 = convtime(arg)) == -1) { |
| 2215 | error("%s line %d: unsupported option",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2216 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum) |
| 2216 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2216 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum); |
| 2217 | goto out; |
| 2218 | } |
| 2219 | value = 1; /* yes */ |
| 2220 | } else if (value == -1 || arg2 != NULL((void *)0)) { |
| 2221 | error("%s line %d: unsupported option",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2222 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum) |
| 2222 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2222 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum); |
| 2223 | goto out; |
| 2224 | } |
| 2225 | if (*activep && options->add_keys_to_agent == -1) { |
| 2226 | options->add_keys_to_agent = value; |
| 2227 | options->add_keys_to_agent_lifespan = value2; |
| 2228 | } |
| 2229 | break; |
| 2230 | |
| 2231 | case oIdentityAgent: |
| 2232 | charptr = &options->identity_agent; |
| 2233 | arg = argv_next(&ac, &av); |
| 2234 | if (!arg || *arg == '\0') { |
| 2235 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2236 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 2236 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2236 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 2237 | goto out; |
| 2238 | } |
| 2239 | parse_agent_path: |
| 2240 | /* Extra validation if the string represents an env var. */ |
| 2241 | if ((arg2 = dollar_expand(&r, arg)) == NULL((void *)0) || r) { |
| 2242 | error("%.200s line %d: Invalid environment expansion "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2243 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment expansion " "%s.", filename, linenum, arg) |
| 2243 | "%s.", filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2243 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment expansion " "%s.", filename, linenum, arg); |
| 2244 | goto out; |
| 2245 | } |
| 2246 | free(arg2); |
| 2247 | /* check for legacy environment format */ |
| 2248 | if (arg[0] == '$' && arg[1] != '{' && |
| 2249 | !valid_env_name(arg + 1)) { |
| 2250 | error("%.200s line %d: Invalid environment name %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2251 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment name %s." , filename, linenum, arg) |
| 2251 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2251 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment name %s." , filename, linenum, arg); |
| 2252 | goto out; |
| 2253 | } |
| 2254 | if (*activep && *charptr == NULL((void *)0)) |
| 2255 | *charptr = xstrdup(arg); |
| 2256 | break; |
| 2257 | |
| 2258 | case oEnableEscapeCommandline: |
| 2259 | intptr = &options->enable_escape_commandline; |
| 2260 | goto parse_flag; |
| 2261 | |
| 2262 | case oRequiredRSASize: |
| 2263 | intptr = &options->required_rsa_size; |
| 2264 | goto parse_int; |
| 2265 | |
| 2266 | case oObscureKeystrokeTiming: |
| 2267 | value = -1; |
| 2268 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2269 | if (value != -1) { |
| 2270 | error("%s line %d: invalid arguments",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2271 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid arguments" , filename, linenum) |
| 2271 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2271 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid arguments" , filename, linenum); |
| 2272 | goto out; |
| 2273 | } |
| 2274 | if (strcmp(arg, "yes") == 0 || |
| 2275 | strcmp(arg, "true") == 0) |
| 2276 | value = SSH_KEYSTROKE_DEFAULT_INTERVAL_MS20; |
| 2277 | else if (strcmp(arg, "no") == 0 || |
| 2278 | strcmp(arg, "false") == 0) |
| 2279 | value = 0; |
| 2280 | else if (strncmp(arg, "interval:", 9) == 0) { |
| 2281 | if ((errstr = atoi_err(arg + 9, |
| 2282 | &value)) != NULL((void *)0)) { |
| 2283 | error("%s line %d: integer value %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2284 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr) |
| 2284 | filename, linenum, errstr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2284 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr); |
| 2285 | goto out; |
| 2286 | } |
| 2287 | if (value <= 0 || value > 1000) { |
| 2288 | error("%s line %d: value out of range.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2289 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: value out of range." , filename, linenum) |
| 2289 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2289 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: value out of range." , filename, linenum); |
| 2290 | goto out; |
| 2291 | } |
| 2292 | } else { |
| 2293 | error("%s line %d: unsupported argument \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2294 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported argument \"%s\"" , filename, linenum, arg) |
| 2294 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2294 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported argument \"%s\"" , filename, linenum, arg); |
| 2295 | goto out; |
| 2296 | } |
| 2297 | } |
| 2298 | if (value == -1) { |
| 2299 | error("%s line %d: missing argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2300 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument" , filename, linenum) |
| 2300 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2300 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument" , filename, linenum); |
| 2301 | goto out; |
| 2302 | } |
| 2303 | intptr = &options->obscure_keystroke_timing_interval; |
| 2304 | if (*activep && *intptr == -1) |
| 2305 | *intptr = value; |
| 2306 | break; |
| 2307 | |
| 2308 | case oChannelTimeout: |
| 2309 | uvalue = options->num_channel_timeouts; |
| 2310 | i = 0; |
| 2311 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2312 | /* Allow "none" only in first position */ |
| 2313 | if (strcasecmp(arg, "none") == 0) { |
| 2314 | if (i > 0 || ac > 0) { |
| 2315 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2317 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2316 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2317 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2317 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2317 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 2318 | goto out; |
| 2319 | } |
| 2320 | } else if (parse_pattern_interval(arg, |
| 2321 | NULL((void *)0), NULL((void *)0)) != 0) { |
| 2322 | fatal("%s line %d: invalid channel timeout %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2323 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid channel timeout %s" , filename, linenum, arg) |
| 2323 | filename, linenum, arg)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2323 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid channel timeout %s" , filename, linenum, arg); |
| 2324 | } |
| 2325 | if (!*activep || uvalue != 0) |
| 2326 | continue; |
| 2327 | opt_array_append(filename, linenum, keyword, |
| 2328 | &options->channel_timeouts, |
| 2329 | &options->num_channel_timeouts, arg); |
| 2330 | } |
| 2331 | break; |
| 2332 | |
| 2333 | case oDeprecated: |
| 2334 | debug("%s line %d: Deprecated option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2335 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Deprecated option \"%s\"" , filename, linenum, keyword) |
| 2335 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2335 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Deprecated option \"%s\"" , filename, linenum, keyword); |
| 2336 | argv_consume(&ac); |
| 2337 | break; |
| 2338 | |
| 2339 | case oUnsupported: |
| 2340 | error("%s line %d: Unsupported option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2341 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unsupported option \"%s\"" , filename, linenum, keyword) |
| 2341 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2341 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unsupported option \"%s\"" , filename, linenum, keyword); |
| 2342 | argv_consume(&ac); |
| 2343 | break; |
| 2344 | |
| 2345 | default: |
| 2346 | error("%s line %d: Unimplemented opcode %d",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2347 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unimplemented opcode %d" , filename, linenum, opcode) |
| 2347 | filename, linenum, opcode)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2347 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unimplemented opcode %d" , filename, linenum, opcode); |
| 2348 | goto out; |
| 2349 | } |
| 2350 | |
| 2351 | /* Check that there is no garbage at end of line. */ |
| 2352 | if (ac > 0) { |
| 2353 | error("%.200s line %d: keyword %s extra arguments "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2354 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword) |
| 2354 | "at end of line", filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2354 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword); |
| 2355 | goto out; |
| 2356 | } |
| 2357 | |
| 2358 | /* success */ |
| 2359 | ret = 0; |
| 2360 | out: |
| 2361 | argv_free(oav, oac); |
| 2362 | return ret; |
| 2363 | } |
| 2364 | |
| 2365 | /* |
| 2366 | * Reads the config file and modifies the options accordingly. Options |
| 2367 | * should already be initialized before this call. This never returns if |
| 2368 | * there is an error. If the file does not exist, this returns 0. |
| 2369 | */ |
| 2370 | int |
| 2371 | read_config_file(const char *filename, struct passwd *pw, const char *host, |
| 2372 | const char *original_host, Options *options, int flags, |
| 2373 | int *want_final_pass) |
| 2374 | { |
| 2375 | int active = 1; |
| 2376 | |
| 2377 | return read_config_file_depth(filename, pw, host, original_host, |
| 2378 | options, flags, &active, want_final_pass, 0); |
| 2379 | } |
| 2380 | |
| 2381 | #define READCONF_MAX_DEPTH16 16 |
| 2382 | static int |
| 2383 | read_config_file_depth(const char *filename, struct passwd *pw, |
| 2384 | const char *host, const char *original_host, Options *options, |
| 2385 | int flags, int *activep, int *want_final_pass, int depth) |
| 2386 | { |
| 2387 | FILE *f; |
| 2388 | char *line = NULL((void *)0); |
| 2389 | size_t linesize = 0; |
| 2390 | int linenum; |
| 2391 | int bad_options = 0; |
| 2392 | |
| 2393 | if (depth < 0 || depth > READCONF_MAX_DEPTH16) |
| 2394 | fatal("Too many recursive configuration includes")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2394 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many recursive configuration includes" ); |
| 2395 | |
| 2396 | if ((f = fopen(filename, "r")) == NULL((void *)0)) |
| 2397 | return 0; |
| 2398 | |
| 2399 | if (flags & SSHCONF_CHECKPERM1) { |
| 2400 | struct stat sb; |
| 2401 | |
| 2402 | if (fstat(fileno(f)(!__isthreaded ? ((f)->_file) : (fileno)(f)), &sb) == -1) |
| 2403 | fatal("fstat %s: %s", filename, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2403 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "fstat %s: %s", filename , strerror((*__errno()))); |
| 2404 | if (((sb.st_uid != 0 && sb.st_uid != getuid()) || |
| 2405 | (sb.st_mode & 022) != 0)) |
| 2406 | fatal("Bad owner or permissions on %s", filename)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2406 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Bad owner or permissions on %s" , filename); |
| 2407 | } |
| 2408 | |
| 2409 | debug("Reading configuration data %.200s", filename)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2409 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Reading configuration data %.200s" , filename); |
| 2410 | |
| 2411 | /* |
| 2412 | * Mark that we are now processing the options. This flag is turned |
| 2413 | * on/off by Host specifications. |
| 2414 | */ |
| 2415 | linenum = 0; |
| 2416 | while (getline(&line, &linesize, f) != -1) { |
| 2417 | /* Update line number counter. */ |
| 2418 | linenum++; |
| 2419 | /* |
| 2420 | * Trim out comments and strip whitespace. |
| 2421 | * NB - preserve newlines, they are needed to reproduce |
| 2422 | * line numbers later for error messages. |
| 2423 | */ |
| 2424 | if (process_config_line_depth(options, pw, host, original_host, |
| 2425 | line, filename, linenum, activep, flags, want_final_pass, |
| 2426 | depth) != 0) |
| 2427 | bad_options++; |
| 2428 | } |
| 2429 | free(line); |
| 2430 | fclose(f); |
| 2431 | if (bad_options > 0) |
| 2432 | fatal("%s: terminating, %d bad configuration options",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2433 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options) |
| 2433 | filename, bad_options)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2433 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options); |
| 2434 | return 1; |
| 2435 | } |
| 2436 | |
| 2437 | /* Returns 1 if a string option is unset or set to "none" or 0 otherwise. */ |
| 2438 | int |
| 2439 | option_clear_or_none(const char *o) |
| 2440 | { |
| 2441 | return o == NULL((void *)0) || strcasecmp(o, "none") == 0; |
| 2442 | } |
| 2443 | |
| 2444 | /* |
| 2445 | * Returns 1 if CanonicalizePermittedCNAMEs have been specified, 0 otherwise. |
| 2446 | * Allowed to be called on non-final configuration. |
| 2447 | */ |
| 2448 | int |
| 2449 | config_has_permitted_cnames(Options *options) |
| 2450 | { |
| 2451 | if (options->num_permitted_cnames == 1 && |
| 2452 | strcasecmp(options->permitted_cnames[0].source_list, "none") == 0 && |
| 2453 | strcmp(options->permitted_cnames[0].target_list, "") == 0) |
| 2454 | return 0; |
| 2455 | return options->num_permitted_cnames > 0; |
| 2456 | } |
| 2457 | |
| 2458 | /* |
| 2459 | * Initializes options to special values that indicate that they have not yet |
| 2460 | * been set. Read_config_file will only set options with this value. Options |
| 2461 | * are processed in the following order: command line, user config file, |
| 2462 | * system config file. Last, fill_default_options is called. |
| 2463 | */ |
| 2464 | |
| 2465 | void |
| 2466 | initialize_options(Options * options) |
| 2467 | { |
| 2468 | memset(options, 'X', sizeof(*options)); |
| 2469 | options->host_arg = NULL((void *)0); |
| 2470 | options->forward_agent = -1; |
| 2471 | options->forward_agent_sock_path = NULL((void *)0); |
| 2472 | options->forward_x11 = -1; |
| 2473 | options->forward_x11_trusted = -1; |
| 2474 | options->forward_x11_timeout = -1; |
| 2475 | options->stdio_forward_host = NULL((void *)0); |
| 2476 | options->stdio_forward_port = 0; |
| 2477 | options->clear_forwardings = -1; |
| 2478 | options->exit_on_forward_failure = -1; |
| 2479 | options->xauth_location = NULL((void *)0); |
| 2480 | options->fwd_opts.gateway_ports = -1; |
| 2481 | options->fwd_opts.streamlocal_bind_mask = (mode_t)-1; |
| 2482 | options->fwd_opts.streamlocal_bind_unlink = -1; |
| 2483 | options->pubkey_authentication = -1; |
| 2484 | options->gss_authentication = -1; |
| 2485 | options->gss_deleg_creds = -1; |
| 2486 | options->password_authentication = -1; |
| 2487 | options->kbd_interactive_authentication = -1; |
| 2488 | options->kbd_interactive_devices = NULL((void *)0); |
| 2489 | options->hostbased_authentication = -1; |
| 2490 | options->batch_mode = -1; |
| 2491 | options->check_host_ip = -1; |
| 2492 | options->strict_host_key_checking = -1; |
| 2493 | options->compression = -1; |
| 2494 | options->tcp_keep_alive = -1; |
| 2495 | options->port = -1; |
| 2496 | options->address_family = -1; |
| 2497 | options->connection_attempts = -1; |
| 2498 | options->connection_timeout = -1; |
| 2499 | options->number_of_password_prompts = -1; |
| 2500 | options->ciphers = NULL((void *)0); |
| 2501 | options->macs = NULL((void *)0); |
| 2502 | options->kex_algorithms = NULL((void *)0); |
| 2503 | options->hostkeyalgorithms = NULL((void *)0); |
| 2504 | options->ca_sign_algorithms = NULL((void *)0); |
| 2505 | options->num_identity_files = 0; |
| 2506 | memset(options->identity_keys, 0, sizeof(options->identity_keys)); |
| 2507 | options->num_certificate_files = 0; |
| 2508 | memset(options->certificates, 0, sizeof(options->certificates)); |
| 2509 | options->hostname = NULL((void *)0); |
| 2510 | options->host_key_alias = NULL((void *)0); |
| 2511 | options->proxy_command = NULL((void *)0); |
| 2512 | options->jump_user = NULL((void *)0); |
| 2513 | options->jump_host = NULL((void *)0); |
| 2514 | options->jump_port = -1; |
| 2515 | options->jump_extra = NULL((void *)0); |
| 2516 | options->user = NULL((void *)0); |
| 2517 | options->escape_char = -1; |
| 2518 | options->num_system_hostfiles = 0; |
| 2519 | options->num_user_hostfiles = 0; |
| 2520 | options->local_forwards = NULL((void *)0); |
| 2521 | options->num_local_forwards = 0; |
| 2522 | options->remote_forwards = NULL((void *)0); |
| 2523 | options->num_remote_forwards = 0; |
| 2524 | options->permitted_remote_opens = NULL((void *)0); |
| 2525 | options->num_permitted_remote_opens = 0; |
| 2526 | options->log_facility = SYSLOG_FACILITY_NOT_SET; |
| 2527 | options->log_level = SYSLOG_LEVEL_NOT_SET; |
| 2528 | options->num_log_verbose = 0; |
| 2529 | options->log_verbose = NULL((void *)0); |
| 2530 | options->preferred_authentications = NULL((void *)0); |
| 2531 | options->bind_address = NULL((void *)0); |
| 2532 | options->bind_interface = NULL((void *)0); |
| 2533 | options->pkcs11_provider = NULL((void *)0); |
| 2534 | options->sk_provider = NULL((void *)0); |
| 2535 | options->enable_ssh_keysign = - 1; |
| 2536 | options->no_host_authentication_for_localhost = - 1; |
| 2537 | options->identities_only = - 1; |
| 2538 | options->rekey_limit = - 1; |
| 2539 | options->rekey_interval = -1; |
| 2540 | options->verify_host_key_dns = -1; |
| 2541 | options->server_alive_interval = -1; |
| 2542 | options->server_alive_count_max = -1; |
| 2543 | options->send_env = NULL((void *)0); |
| 2544 | options->num_send_env = 0; |
| 2545 | options->setenv = NULL((void *)0); |
| 2546 | options->num_setenv = 0; |
| 2547 | options->control_path = NULL((void *)0); |
| 2548 | options->control_master = -1; |
| 2549 | options->control_persist = -1; |
| 2550 | options->control_persist_timeout = 0; |
| 2551 | options->hash_known_hosts = -1; |
| 2552 | options->tun_open = -1; |
| 2553 | options->tun_local = -1; |
| 2554 | options->tun_remote = -1; |
| 2555 | options->local_command = NULL((void *)0); |
| 2556 | options->permit_local_command = -1; |
| 2557 | options->remote_command = NULL((void *)0); |
| 2558 | options->add_keys_to_agent = -1; |
| 2559 | options->add_keys_to_agent_lifespan = -1; |
| 2560 | options->identity_agent = NULL((void *)0); |
| 2561 | options->visual_host_key = -1; |
| 2562 | options->ip_qos_interactive = -1; |
| 2563 | options->ip_qos_bulk = -1; |
| 2564 | options->request_tty = -1; |
| 2565 | options->session_type = -1; |
| 2566 | options->stdin_null = -1; |
| 2567 | options->fork_after_authentication = -1; |
| 2568 | options->proxy_use_fdpass = -1; |
| 2569 | options->ignored_unknown = NULL((void *)0); |
| 2570 | options->num_canonical_domains = 0; |
| 2571 | options->num_permitted_cnames = 0; |
| 2572 | options->canonicalize_max_dots = -1; |
| 2573 | options->canonicalize_fallback_local = -1; |
| 2574 | options->canonicalize_hostname = -1; |
| 2575 | options->revoked_host_keys = NULL((void *)0); |
| 2576 | options->fingerprint_hash = -1; |
| 2577 | options->update_hostkeys = -1; |
| 2578 | options->hostbased_accepted_algos = NULL((void *)0); |
| 2579 | options->pubkey_accepted_algos = NULL((void *)0); |
| 2580 | options->known_hosts_command = NULL((void *)0); |
| 2581 | options->required_rsa_size = -1; |
| 2582 | options->enable_escape_commandline = -1; |
| 2583 | options->obscure_keystroke_timing_interval = -1; |
| 2584 | options->tag = NULL((void *)0); |
| 2585 | options->channel_timeouts = NULL((void *)0); |
| 2586 | options->num_channel_timeouts = 0; |
| 2587 | } |
| 2588 | |
| 2589 | /* |
| 2590 | * A petite version of fill_default_options() that just fills the options |
| 2591 | * needed for hostname canonicalization to proceed. |
| 2592 | */ |
| 2593 | void |
| 2594 | fill_default_options_for_canonicalization(Options *options) |
| 2595 | { |
| 2596 | if (options->canonicalize_max_dots == -1) |
| 2597 | options->canonicalize_max_dots = 1; |
| 2598 | if (options->canonicalize_fallback_local == -1) |
| 2599 | options->canonicalize_fallback_local = 1; |
| 2600 | if (options->canonicalize_hostname == -1) |
| 2601 | options->canonicalize_hostname = SSH_CANONICALISE_NO0; |
| 2602 | } |
| 2603 | |
| 2604 | /* |
| 2605 | * Called after processing other sources of option data, this fills those |
| 2606 | * options for which no value has been specified with their default values. |
| 2607 | */ |
| 2608 | int |
| 2609 | fill_default_options(Options * options) |
| 2610 | { |
| 2611 | char *all_cipher, *all_mac, *all_kex, *all_key, *all_sig; |
| 2612 | char *def_cipher, *def_mac, *def_kex, *def_key, *def_sig; |
| 2613 | int ret = 0, r; |
| 2614 | |
| 2615 | if (options->forward_agent == -1) |
| 2616 | options->forward_agent = 0; |
| 2617 | if (options->forward_x11 == -1) |
| 2618 | options->forward_x11 = 0; |
| 2619 | if (options->forward_x11_trusted == -1) |
| 2620 | options->forward_x11_trusted = 0; |
| 2621 | if (options->forward_x11_timeout == -1) |
| 2622 | options->forward_x11_timeout = 1200; |
| 2623 | /* |
| 2624 | * stdio forwarding (-W) changes the default for these but we defer |
| 2625 | * setting the values so they can be overridden. |
| 2626 | */ |
| 2627 | if (options->exit_on_forward_failure == -1) |
| 2628 | options->exit_on_forward_failure = |
| 2629 | options->stdio_forward_host != NULL((void *)0) ? 1 : 0; |
| 2630 | if (options->clear_forwardings == -1) |
| 2631 | options->clear_forwardings = |
| 2632 | options->stdio_forward_host != NULL((void *)0) ? 1 : 0; |
| 2633 | if (options->clear_forwardings == 1) |
| 2634 | clear_forwardings(options); |
| 2635 | |
| 2636 | if (options->xauth_location == NULL((void *)0)) |
| 2637 | options->xauth_location = xstrdup(_PATH_XAUTH"/usr/X11R6/bin/xauth"); |
| 2638 | if (options->fwd_opts.gateway_ports == -1) |
| 2639 | options->fwd_opts.gateway_ports = 0; |
| 2640 | if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1) |
| 2641 | options->fwd_opts.streamlocal_bind_mask = 0177; |
| 2642 | if (options->fwd_opts.streamlocal_bind_unlink == -1) |
| 2643 | options->fwd_opts.streamlocal_bind_unlink = 0; |
| 2644 | if (options->pubkey_authentication == -1) |
| 2645 | options->pubkey_authentication = SSH_PUBKEY_AUTH_ALL0x03; |
| 2646 | if (options->gss_authentication == -1) |
| 2647 | options->gss_authentication = 0; |
| 2648 | if (options->gss_deleg_creds == -1) |
| 2649 | options->gss_deleg_creds = 0; |
| 2650 | if (options->password_authentication == -1) |
| 2651 | options->password_authentication = 1; |
| 2652 | if (options->kbd_interactive_authentication == -1) |
| 2653 | options->kbd_interactive_authentication = 1; |
| 2654 | if (options->hostbased_authentication == -1) |
| 2655 | options->hostbased_authentication = 0; |
| 2656 | if (options->batch_mode == -1) |
| 2657 | options->batch_mode = 0; |
| 2658 | if (options->check_host_ip == -1) |
| 2659 | options->check_host_ip = 0; |
| 2660 | if (options->strict_host_key_checking == -1) |
| 2661 | options->strict_host_key_checking = SSH_STRICT_HOSTKEY_ASK3; |
| 2662 | if (options->compression == -1) |
| 2663 | options->compression = 0; |
| 2664 | if (options->tcp_keep_alive == -1) |
| 2665 | options->tcp_keep_alive = 1; |
| 2666 | if (options->port == -1) |
| 2667 | options->port = 0; /* Filled in ssh_connect. */ |
| 2668 | if (options->address_family == -1) |
| 2669 | options->address_family = AF_UNSPEC0; |
| 2670 | if (options->connection_attempts == -1) |
| 2671 | options->connection_attempts = 1; |
| 2672 | if (options->number_of_password_prompts == -1) |
| 2673 | options->number_of_password_prompts = 3; |
| 2674 | /* options->hostkeyalgorithms, default set in myproposals.h */ |
| 2675 | if (options->add_keys_to_agent == -1) { |
| 2676 | options->add_keys_to_agent = 0; |
| 2677 | options->add_keys_to_agent_lifespan = 0; |
| 2678 | } |
| 2679 | if (options->num_identity_files == 0) { |
| 2680 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_RSA".ssh" "/id_rsa", 0); |
| 2681 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_ECDSA".ssh" "/id_ecdsa", 0); |
| 2682 | add_identity_file(options, "~/", |
| 2683 | _PATH_SSH_CLIENT_ID_ECDSA_SK".ssh" "/id_ecdsa_sk", 0); |
| 2684 | add_identity_file(options, "~/", |
| 2685 | _PATH_SSH_CLIENT_ID_ED25519".ssh" "/id_ed25519", 0); |
| 2686 | add_identity_file(options, "~/", |
| 2687 | _PATH_SSH_CLIENT_ID_ED25519_SK".ssh" "/id_ed25519_sk", 0); |
| 2688 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_XMSS".ssh" "/id_xmss", 0); |
| 2689 | #ifdef WITH_DSA1 |
| 2690 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_DSA".ssh" "/id_dsa", 0); |
| 2691 | #endif |
| 2692 | } |
| 2693 | if (options->escape_char == -1) |
| 2694 | options->escape_char = '~'; |
| 2695 | if (options->num_system_hostfiles == 0) { |
| 2696 | options->system_hostfiles[options->num_system_hostfiles++] = |
| 2697 | xstrdup(_PATH_SSH_SYSTEM_HOSTFILE"/etc" "/ssh" "/ssh_known_hosts"); |
| 2698 | options->system_hostfiles[options->num_system_hostfiles++] = |
| 2699 | xstrdup(_PATH_SSH_SYSTEM_HOSTFILE2"/etc" "/ssh" "/ssh_known_hosts2"); |
| 2700 | } |
| 2701 | if (options->update_hostkeys == -1) { |
| 2702 | if (options->verify_host_key_dns <= 0 && |
| 2703 | (options->num_user_hostfiles == 0 || |
| 2704 | (options->num_user_hostfiles == 1 && strcmp(options-> |
| 2705 | user_hostfiles[0], _PATH_SSH_USER_HOSTFILE"~/" ".ssh" "/known_hosts") == 0))) |
| 2706 | options->update_hostkeys = SSH_UPDATE_HOSTKEYS_YES1; |
| 2707 | else |
| 2708 | options->update_hostkeys = SSH_UPDATE_HOSTKEYS_NO0; |
| 2709 | } |
| 2710 | if (options->num_user_hostfiles == 0) { |
| 2711 | options->user_hostfiles[options->num_user_hostfiles++] = |
| 2712 | xstrdup(_PATH_SSH_USER_HOSTFILE"~/" ".ssh" "/known_hosts"); |
| 2713 | options->user_hostfiles[options->num_user_hostfiles++] = |
| 2714 | xstrdup(_PATH_SSH_USER_HOSTFILE2"~/" ".ssh" "/known_hosts2"); |
| 2715 | } |
| 2716 | if (options->log_level == SYSLOG_LEVEL_NOT_SET) |
| 2717 | options->log_level = SYSLOG_LEVEL_INFO; |
| 2718 | if (options->log_facility == SYSLOG_FACILITY_NOT_SET) |
| 2719 | options->log_facility = SYSLOG_FACILITY_USER; |
| 2720 | if (options->no_host_authentication_for_localhost == - 1) |
| 2721 | options->no_host_authentication_for_localhost = 0; |
| 2722 | if (options->identities_only == -1) |
| 2723 | options->identities_only = 0; |
| 2724 | if (options->enable_ssh_keysign == -1) |
| 2725 | options->enable_ssh_keysign = 0; |
| 2726 | if (options->rekey_limit == -1) |
| 2727 | options->rekey_limit = 0; |
| 2728 | if (options->rekey_interval == -1) |
| 2729 | options->rekey_interval = 0; |
| 2730 | if (options->verify_host_key_dns == -1) |
| 2731 | options->verify_host_key_dns = 0; |
| 2732 | if (options->server_alive_interval == -1) |
| 2733 | options->server_alive_interval = 0; |
| 2734 | if (options->server_alive_count_max == -1) |
| 2735 | options->server_alive_count_max = 3; |
| 2736 | if (options->control_master == -1) |
| 2737 | options->control_master = 0; |
| 2738 | if (options->control_persist == -1) { |
| 2739 | options->control_persist = 0; |
| 2740 | options->control_persist_timeout = 0; |
| 2741 | } |
| 2742 | if (options->hash_known_hosts == -1) |
| 2743 | options->hash_known_hosts = 0; |
| 2744 | if (options->tun_open == -1) |
| 2745 | options->tun_open = SSH_TUNMODE_NO0x00; |
| 2746 | if (options->tun_local == -1) |
| 2747 | options->tun_local = SSH_TUNID_ANY0x7fffffff; |
| 2748 | if (options->tun_remote == -1) |
| 2749 | options->tun_remote = SSH_TUNID_ANY0x7fffffff; |
| 2750 | if (options->permit_local_command == -1) |
| 2751 | options->permit_local_command = 0; |
| 2752 | if (options->visual_host_key == -1) |
| 2753 | options->visual_host_key = 0; |
| 2754 | if (options->ip_qos_interactive == -1) |
| 2755 | options->ip_qos_interactive = IPTOS_DSCP_AF210x48; |
| 2756 | if (options->ip_qos_bulk == -1) |
| 2757 | options->ip_qos_bulk = IPTOS_DSCP_CS10x20; |
| 2758 | if (options->request_tty == -1) |
| 2759 | options->request_tty = REQUEST_TTY_AUTO0; |
| 2760 | if (options->session_type == -1) |
| 2761 | options->session_type = SESSION_TYPE_DEFAULT2; |
| 2762 | if (options->stdin_null == -1) |
| 2763 | options->stdin_null = 0; |
| 2764 | if (options->fork_after_authentication == -1) |
| 2765 | options->fork_after_authentication = 0; |
| 2766 | if (options->proxy_use_fdpass == -1) |
| 2767 | options->proxy_use_fdpass = 0; |
| 2768 | if (options->canonicalize_max_dots == -1) |
| 2769 | options->canonicalize_max_dots = 1; |
| 2770 | if (options->canonicalize_fallback_local == -1) |
| 2771 | options->canonicalize_fallback_local = 1; |
| 2772 | if (options->canonicalize_hostname == -1) |
| 2773 | options->canonicalize_hostname = SSH_CANONICALISE_NO0; |
| 2774 | if (options->fingerprint_hash == -1) |
| 2775 | options->fingerprint_hash = SSH_FP_HASH_DEFAULT2; |
| 2776 | if (options->sk_provider == NULL((void *)0)) |
| 2777 | options->sk_provider = xstrdup("internal"); |
| 2778 | if (options->required_rsa_size == -1) |
| 2779 | options->required_rsa_size = SSH_RSA_MINIMUM_MODULUS_SIZE1024; |
| 2780 | if (options->enable_escape_commandline == -1) |
| 2781 | options->enable_escape_commandline = 0; |
| 2782 | if (options->obscure_keystroke_timing_interval == -1) { |
| 2783 | options->obscure_keystroke_timing_interval = |
| 2784 | SSH_KEYSTROKE_DEFAULT_INTERVAL_MS20; |
| 2785 | } |
| 2786 | |
| 2787 | /* Expand KEX name lists */ |
| 2788 | all_cipher = cipher_alg_list(',', 0); |
| 2789 | all_mac = mac_alg_list(','); |
| 2790 | all_kex = kex_alg_list(','); |
| 2791 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 2792 | all_sig = sshkey_alg_list(0, 1, 1, ','); |
| 2793 | /* remove unsupported algos from default lists */ |
| 2794 | def_cipher = match_filter_allowlist(KEX_CLIENT_ENCRYPT"chacha20-poly1305@openssh.com," "aes128-ctr,aes192-ctr,aes256-ctr," "aes128-gcm@openssh.com,aes256-gcm@openssh.com", all_cipher); |
| 2795 | def_mac = match_filter_allowlist(KEX_CLIENT_MAC"umac-64-etm@openssh.com," "umac-128-etm@openssh.com," "hmac-sha2-256-etm@openssh.com," "hmac-sha2-512-etm@openssh.com," "hmac-sha1-etm@openssh.com," "umac-64@openssh.com," "umac-128@openssh.com," "hmac-sha2-256," "hmac-sha2-512," "hmac-sha1", all_mac); |
| 2796 | def_kex = match_filter_allowlist(KEX_CLIENT_KEX"sntrup761x25519-sha512@openssh.com," "curve25519-sha256," "curve25519-sha256@libssh.org," "ecdh-sha2-nistp256," "ecdh-sha2-nistp384," "ecdh-sha2-nistp521," "diffie-hellman-group-exchange-sha256," "diffie-hellman-group16-sha512," "diffie-hellman-group18-sha512," "diffie-hellman-group14-sha256", all_kex); |
| 2797 | def_key = match_filter_allowlist(KEX_DEFAULT_PK_ALG"ssh-ed25519-cert-v01@openssh.com," "ecdsa-sha2-nistp256-cert-v01@openssh.com," "ecdsa-sha2-nistp384-cert-v01@openssh.com," "ecdsa-sha2-nistp521-cert-v01@openssh.com," "sk-ssh-ed25519-cert-v01@openssh.com," "sk-ecdsa-sha2-nistp256-cert-v01@openssh.com," "rsa-sha2-512-cert-v01@openssh.com," "rsa-sha2-256-cert-v01@openssh.com," "ssh-ed25519," "ecdsa-sha2-nistp256," "ecdsa-sha2-nistp384," "ecdsa-sha2-nistp521," "sk-ssh-ed25519@openssh.com," "sk-ecdsa-sha2-nistp256@openssh.com," "rsa-sha2-512," "rsa-sha2-256", all_key); |
| 2798 | def_sig = match_filter_allowlist(SSH_ALLOWED_CA_SIGALGS"ssh-ed25519," "ecdsa-sha2-nistp256," "ecdsa-sha2-nistp384," "ecdsa-sha2-nistp521," "sk-ssh-ed25519@openssh.com," "sk-ecdsa-sha2-nistp256@openssh.com," "rsa-sha2-512," "rsa-sha2-256", all_sig); |
| 2799 | #define ASSEMBLE(what, defaults, all) \ |
| 2800 | do { \ |
| 2801 | if ((r = kex_assemble_names(&options->what, \ |
| 2802 | defaults, all)) != 0) { \ |
| 2803 | error_fr(r, "%s", #what)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2803 , 1, SYSLOG_LEVEL_ERROR, ssh_err(r), "%s", #what); \ |
| 2804 | goto fail; \ |
| 2805 | } \ |
| 2806 | } while (0) |
| 2807 | ASSEMBLE(ciphers, def_cipher, all_cipher); |
| 2808 | ASSEMBLE(macs, def_mac, all_mac); |
| 2809 | ASSEMBLE(kex_algorithms, def_kex, all_kex); |
| 2810 | ASSEMBLE(hostbased_accepted_algos, def_key, all_key); |
| 2811 | ASSEMBLE(pubkey_accepted_algos, def_key, all_key); |
| 2812 | ASSEMBLE(ca_sign_algorithms, def_sig, all_sig); |
| 2813 | #undef ASSEMBLE |
| 2814 | |
| 2815 | #define CLEAR_ON_NONE(v) \ |
| 2816 | do { \ |
| 2817 | if (option_clear_or_none(v)) { \ |
| 2818 | free(v); \ |
| 2819 | v = NULL((void *)0); \ |
| 2820 | } \ |
| 2821 | } while(0) |
| 2822 | #define CLEAR_ON_NONE_ARRAY(v, nv, none) \ |
| 2823 | do { \ |
| 2824 | if (options->nv == 1 && \ |
| 2825 | strcasecmp(options->v[0], none) == 0) { \ |
| 2826 | free(options->v[0]); \ |
| 2827 | free(options->v); \ |
| 2828 | options->v = NULL((void *)0); \ |
| 2829 | options->nv = 0; \ |
| 2830 | } \ |
| 2831 | } while (0) |
| 2832 | CLEAR_ON_NONE(options->local_command); |
| 2833 | CLEAR_ON_NONE(options->remote_command); |
| 2834 | CLEAR_ON_NONE(options->proxy_command); |
| 2835 | CLEAR_ON_NONE(options->control_path); |
| 2836 | CLEAR_ON_NONE(options->revoked_host_keys); |
| 2837 | CLEAR_ON_NONE(options->pkcs11_provider); |
| 2838 | CLEAR_ON_NONE(options->sk_provider); |
| 2839 | CLEAR_ON_NONE(options->known_hosts_command); |
| 2840 | CLEAR_ON_NONE_ARRAY(channel_timeouts, num_channel_timeouts, "none"); |
| 2841 | #undef CLEAR_ON_NONE |
| 2842 | #undef CLEAR_ON_NONE_ARRAY |
| 2843 | if (options->jump_host != NULL((void *)0) && |
| 2844 | strcmp(options->jump_host, "none") == 0 && |
| 2845 | options->jump_port == 0 && options->jump_user == NULL((void *)0)) { |
| 2846 | free(options->jump_host); |
| 2847 | options->jump_host = NULL((void *)0); |
| 2848 | } |
| 2849 | if (options->num_permitted_cnames == 1 && |
| 2850 | !config_has_permitted_cnames(options)) { |
| 2851 | /* clean up CanonicalizePermittedCNAMEs=none */ |
| 2852 | free(options->permitted_cnames[0].source_list); |
| 2853 | free(options->permitted_cnames[0].target_list); |
| 2854 | memset(options->permitted_cnames, '\0', |
| 2855 | sizeof(*options->permitted_cnames)); |
| 2856 | options->num_permitted_cnames = 0; |
| 2857 | } |
| 2858 | /* options->identity_agent distinguishes NULL from 'none' */ |
| 2859 | /* options->user will be set in the main program if appropriate */ |
| 2860 | /* options->hostname will be set in the main program if appropriate */ |
| 2861 | /* options->host_key_alias should not be set by default */ |
| 2862 | /* options->preferred_authentications will be set in ssh */ |
| 2863 | |
| 2864 | /* success */ |
| 2865 | ret = 0; |
| 2866 | fail: |
| 2867 | free(all_cipher); |
| 2868 | free(all_mac); |
| 2869 | free(all_kex); |
| 2870 | free(all_key); |
| 2871 | free(all_sig); |
| 2872 | free(def_cipher); |
| 2873 | free(def_mac); |
| 2874 | free(def_kex); |
| 2875 | free(def_key); |
| 2876 | free(def_sig); |
| 2877 | return ret; |
| 2878 | } |
| 2879 | |
| 2880 | void |
| 2881 | free_options(Options *o) |
| 2882 | { |
| 2883 | int i; |
| 2884 | |
| 2885 | if (o == NULL((void *)0)) |
| 2886 | return; |
| 2887 | |
| 2888 | #define FREE_ARRAY(type, n, a) \ |
| 2889 | do { \ |
| 2890 | type _i; \ |
| 2891 | for (_i = 0; _i < (n); _i++) \ |
| 2892 | free((a)[_i]); \ |
| 2893 | } while (0) |
| 2894 | |
| 2895 | free(o->forward_agent_sock_path); |
| 2896 | free(o->xauth_location); |
| 2897 | FREE_ARRAY(u_int, o->num_log_verbose, o->log_verbose); |
| 2898 | free(o->log_verbose); |
| 2899 | free(o->ciphers); |
| 2900 | free(o->macs); |
| 2901 | free(o->hostkeyalgorithms); |
| 2902 | free(o->kex_algorithms); |
| 2903 | free(o->ca_sign_algorithms); |
| 2904 | free(o->hostname); |
| 2905 | free(o->host_key_alias); |
| 2906 | free(o->proxy_command); |
| 2907 | free(o->user); |
| 2908 | FREE_ARRAY(u_int, o->num_system_hostfiles, o->system_hostfiles); |
| 2909 | FREE_ARRAY(u_int, o->num_user_hostfiles, o->user_hostfiles); |
| 2910 | free(o->preferred_authentications); |
| 2911 | free(o->bind_address); |
| 2912 | free(o->bind_interface); |
| 2913 | free(o->pkcs11_provider); |
| 2914 | free(o->sk_provider); |
| 2915 | for (i = 0; i < o->num_identity_files; i++) { |
| 2916 | free(o->identity_files[i]); |
| 2917 | sshkey_free(o->identity_keys[i]); |
| 2918 | } |
| 2919 | for (i = 0; i < o->num_certificate_files; i++) { |
| 2920 | free(o->certificate_files[i]); |
| 2921 | sshkey_free(o->certificates[i]); |
| 2922 | } |
| 2923 | free(o->identity_agent); |
| 2924 | for (i = 0; i < o->num_local_forwards; i++) { |
| 2925 | free(o->local_forwards[i].listen_host); |
| 2926 | free(o->local_forwards[i].listen_path); |
| 2927 | free(o->local_forwards[i].connect_host); |
| 2928 | free(o->local_forwards[i].connect_path); |
| 2929 | } |
| 2930 | free(o->local_forwards); |
| 2931 | for (i = 0; i < o->num_remote_forwards; i++) { |
| 2932 | free(o->remote_forwards[i].listen_host); |
| 2933 | free(o->remote_forwards[i].listen_path); |
| 2934 | free(o->remote_forwards[i].connect_host); |
| 2935 | free(o->remote_forwards[i].connect_path); |
| 2936 | } |
| 2937 | free(o->remote_forwards); |
| 2938 | free(o->stdio_forward_host); |
| 2939 | FREE_ARRAY(u_int, o->num_send_env, o->send_env); |
| 2940 | free(o->send_env); |
| 2941 | FREE_ARRAY(u_int, o->num_setenv, o->setenv); |
| 2942 | free(o->setenv); |
| 2943 | free(o->control_path); |
| 2944 | free(o->local_command); |
| 2945 | free(o->remote_command); |
| 2946 | FREE_ARRAY(int, o->num_canonical_domains, o->canonical_domains); |
| 2947 | for (i = 0; i < o->num_permitted_cnames; i++) { |
| 2948 | free(o->permitted_cnames[i].source_list); |
| 2949 | free(o->permitted_cnames[i].target_list); |
| 2950 | } |
| 2951 | free(o->revoked_host_keys); |
| 2952 | free(o->hostbased_accepted_algos); |
| 2953 | free(o->pubkey_accepted_algos); |
| 2954 | free(o->jump_user); |
| 2955 | free(o->jump_host); |
| 2956 | free(o->jump_extra); |
| 2957 | free(o->ignored_unknown); |
| 2958 | explicit_bzero(o, sizeof(*o)); |
| 2959 | #undef FREE_ARRAY |
| 2960 | } |
| 2961 | |
| 2962 | struct fwdarg { |
| 2963 | char *arg; |
| 2964 | int ispath; |
| 2965 | }; |
| 2966 | |
| 2967 | /* |
| 2968 | * parse_fwd_field |
| 2969 | * parses the next field in a port forwarding specification. |
| 2970 | * sets fwd to the parsed field and advances p past the colon |
| 2971 | * or sets it to NULL at end of string. |
| 2972 | * returns 0 on success, else non-zero. |
| 2973 | */ |
| 2974 | static int |
| 2975 | parse_fwd_field(char **p, struct fwdarg *fwd) |
| 2976 | { |
| 2977 | char *ep, *cp = *p; |
| 2978 | int ispath = 0; |
| 2979 | |
| 2980 | if (*cp == '\0') { |
| 2981 | *p = NULL((void *)0); |
| 2982 | return -1; /* end of string */ |
| 2983 | } |
| 2984 | |
| 2985 | /* |
| 2986 | * A field escaped with square brackets is used literally. |
| 2987 | * XXX - allow ']' to be escaped via backslash? |
| 2988 | */ |
| 2989 | if (*cp == '[') { |
| 2990 | /* find matching ']' */ |
| 2991 | for (ep = cp + 1; *ep != ']' && *ep != '\0'; ep++) { |
| 2992 | if (*ep == '/') |
| 2993 | ispath = 1; |
| 2994 | } |
| 2995 | /* no matching ']' or not at end of field. */ |
| 2996 | if (ep[0] != ']' || (ep[1] != ':' && ep[1] != '\0')) |
| 2997 | return -1; |
| 2998 | /* NUL terminate the field and advance p past the colon */ |
| 2999 | *ep++ = '\0'; |
| 3000 | if (*ep != '\0') |
| 3001 | *ep++ = '\0'; |
| 3002 | fwd->arg = cp + 1; |
| 3003 | fwd->ispath = ispath; |
| 3004 | *p = ep; |
| 3005 | return 0; |
| 3006 | } |
| 3007 | |
| 3008 | for (cp = *p; *cp != '\0'; cp++) { |
| 3009 | switch (*cp) { |
| 3010 | case '\\': |
| 3011 | memmove(cp, cp + 1, strlen(cp + 1) + 1); |
| 3012 | if (*cp == '\0') |
| 3013 | return -1; |
| 3014 | break; |
| 3015 | case '/': |
| 3016 | ispath = 1; |
| 3017 | break; |
| 3018 | case ':': |
| 3019 | *cp++ = '\0'; |
| 3020 | goto done; |
| 3021 | } |
| 3022 | } |
| 3023 | done: |
| 3024 | fwd->arg = *p; |
| 3025 | fwd->ispath = ispath; |
| 3026 | *p = cp; |
| 3027 | return 0; |
| 3028 | } |
| 3029 | |
| 3030 | /* |
| 3031 | * parse_forward |
| 3032 | * parses a string containing a port forwarding specification of the form: |
| 3033 | * dynamicfwd == 0 |
| 3034 | * [listenhost:]listenport|listenpath:connecthost:connectport|connectpath |
| 3035 | * listenpath:connectpath |
| 3036 | * dynamicfwd == 1 |
| 3037 | * [listenhost:]listenport |
| 3038 | * returns number of arguments parsed or zero on error |
| 3039 | */ |
| 3040 | int |
| 3041 | parse_forward(struct Forward *fwd, const char *fwdspec, int dynamicfwd, int remotefwd) |
| 3042 | { |
| 3043 | struct fwdarg fwdargs[4]; |
| 3044 | char *p, *cp; |
| 3045 | int i, err; |
| 3046 | |
| 3047 | memset(fwd, 0, sizeof(*fwd)); |
| 3048 | memset(fwdargs, 0, sizeof(fwdargs)); |
| 3049 | |
| 3050 | /* |
| 3051 | * We expand environment variables before checking if we think they're |
| 3052 | * paths so that if ${VAR} expands to a fully qualified path it is |
| 3053 | * treated as a path. |
| 3054 | */ |
| 3055 | cp = p = dollar_expand(&err, fwdspec); |
| 3056 | if (p == NULL((void *)0) || err) |
| 3057 | return 0; |
| 3058 | |
| 3059 | /* skip leading spaces */ |
| 3060 | while (isspace((u_char)*cp)) |
| 3061 | cp++; |
| 3062 | |
| 3063 | for (i = 0; i < 4; ++i) { |
| 3064 | if (parse_fwd_field(&cp, &fwdargs[i]) != 0) |
| 3065 | break; |
| 3066 | } |
| 3067 | |
| 3068 | /* Check for trailing garbage */ |
| 3069 | if (cp != NULL((void *)0) && *cp != '\0') { |
| 3070 | i = 0; /* failure */ |
| 3071 | } |
| 3072 | |
| 3073 | switch (i) { |
| 3074 | case 1: |
| 3075 | if (fwdargs[0].ispath) { |
| 3076 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 3077 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 3078 | } else { |
| 3079 | fwd->listen_host = NULL((void *)0); |
| 3080 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 3081 | } |
| 3082 | fwd->connect_host = xstrdup("socks"); |
| 3083 | break; |
| 3084 | |
| 3085 | case 2: |
| 3086 | if (fwdargs[0].ispath && fwdargs[1].ispath) { |
| 3087 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 3088 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 3089 | fwd->connect_path = xstrdup(fwdargs[1].arg); |
| 3090 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 3091 | } else if (fwdargs[1].ispath) { |
| 3092 | fwd->listen_host = NULL((void *)0); |
| 3093 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 3094 | fwd->connect_path = xstrdup(fwdargs[1].arg); |
| 3095 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 3096 | } else { |
| 3097 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 3098 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 3099 | fwd->connect_host = xstrdup("socks"); |
| 3100 | } |
| 3101 | break; |
| 3102 | |
| 3103 | case 3: |
| 3104 | if (fwdargs[0].ispath) { |
| 3105 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 3106 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 3107 | fwd->connect_host = xstrdup(fwdargs[1].arg); |
| 3108 | fwd->connect_port = a2port(fwdargs[2].arg); |
| 3109 | } else if (fwdargs[2].ispath) { |
| 3110 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 3111 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 3112 | fwd->connect_path = xstrdup(fwdargs[2].arg); |
| 3113 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 3114 | } else { |
| 3115 | fwd->listen_host = NULL((void *)0); |
| 3116 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 3117 | fwd->connect_host = xstrdup(fwdargs[1].arg); |
| 3118 | fwd->connect_port = a2port(fwdargs[2].arg); |
| 3119 | } |
| 3120 | break; |
| 3121 | |
| 3122 | case 4: |
| 3123 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 3124 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 3125 | fwd->connect_host = xstrdup(fwdargs[2].arg); |
| 3126 | fwd->connect_port = a2port(fwdargs[3].arg); |
| 3127 | break; |
| 3128 | default: |
| 3129 | i = 0; /* failure */ |
| 3130 | } |
| 3131 | |
| 3132 | free(p); |
| 3133 | |
| 3134 | if (dynamicfwd) { |
| 3135 | if (!(i == 1 || i == 2)) |
| 3136 | goto fail_free; |
| 3137 | } else { |
| 3138 | if (!(i == 3 || i == 4)) { |
| 3139 | if (fwd->connect_path == NULL((void *)0) && |
| 3140 | fwd->listen_path == NULL((void *)0)) |
| 3141 | goto fail_free; |
| 3142 | } |
| 3143 | if (fwd->connect_port <= 0 && fwd->connect_path == NULL((void *)0)) |
| 3144 | goto fail_free; |
| 3145 | } |
| 3146 | |
| 3147 | if ((fwd->listen_port < 0 && fwd->listen_path == NULL((void *)0)) || |
| 3148 | (!remotefwd && fwd->listen_port == 0)) |
| 3149 | goto fail_free; |
| 3150 | if (fwd->connect_host != NULL((void *)0) && |
| 3151 | strlen(fwd->connect_host) >= NI_MAXHOST256) |
| 3152 | goto fail_free; |
| 3153 | /* |
| 3154 | * XXX - if connecting to a remote socket, max sun len may not |
| 3155 | * match this host |
| 3156 | */ |
| 3157 | if (fwd->connect_path != NULL((void *)0) && |
| 3158 | strlen(fwd->connect_path) >= PATH_MAX_SUN(sizeof((struct sockaddr_un *)0)->sun_path)) |
| 3159 | goto fail_free; |
| 3160 | if (fwd->listen_host != NULL((void *)0) && |
| 3161 | strlen(fwd->listen_host) >= NI_MAXHOST256) |
| 3162 | goto fail_free; |
| 3163 | if (fwd->listen_path != NULL((void *)0) && |
| 3164 | strlen(fwd->listen_path) >= PATH_MAX_SUN(sizeof((struct sockaddr_un *)0)->sun_path)) |
| 3165 | goto fail_free; |
| 3166 | |
| 3167 | return (i); |
| 3168 | |
| 3169 | fail_free: |
| 3170 | free(fwd->connect_host); |
| 3171 | fwd->connect_host = NULL((void *)0); |
| 3172 | free(fwd->connect_path); |
| 3173 | fwd->connect_path = NULL((void *)0); |
| 3174 | free(fwd->listen_host); |
| 3175 | fwd->listen_host = NULL((void *)0); |
| 3176 | free(fwd->listen_path); |
| 3177 | fwd->listen_path = NULL((void *)0); |
| 3178 | return (0); |
| 3179 | } |
| 3180 | |
| 3181 | int |
| 3182 | parse_jump(const char *s, Options *o, int active) |
| 3183 | { |
| 3184 | char *orig, *sdup, *cp; |
| 3185 | char *host = NULL((void *)0), *user = NULL((void *)0); |
| 3186 | int r, ret = -1, port = -1, first; |
| 3187 | |
| 3188 | active &= o->proxy_command == NULL((void *)0) && o->jump_host == NULL((void *)0); |
| 3189 | |
| 3190 | orig = sdup = xstrdup(s); |
| 3191 | |
| 3192 | /* Remove comment and trailing whitespace */ |
| 3193 | if ((cp = strchr(orig, '#')) != NULL((void *)0)) |
| 3194 | *cp = '\0'; |
| 3195 | rtrim(orig); |
| 3196 | |
| 3197 | first = active; |
| 3198 | do { |
| 3199 | if (strcasecmp(s, "none") == 0) |
| 3200 | break; |
| 3201 | if ((cp = strrchr(sdup, ',')) == NULL((void *)0)) |
| 3202 | cp = sdup; /* last */ |
| 3203 | else |
| 3204 | *cp++ = '\0'; |
| 3205 | |
| 3206 | if (first) { |
| 3207 | /* First argument and configuration is active */ |
| 3208 | r = parse_ssh_uri(cp, &user, &host, &port); |
| 3209 | if (r == -1 || (r == 1 && |
| 3210 | parse_user_host_port(cp, &user, &host, &port) != 0)) |
| 3211 | goto out; |
| 3212 | } else { |
| 3213 | /* Subsequent argument or inactive configuration */ |
| 3214 | r = parse_ssh_uri(cp, NULL((void *)0), NULL((void *)0), NULL((void *)0)); |
| 3215 | if (r == -1 || (r == 1 && |
| 3216 | parse_user_host_port(cp, NULL((void *)0), NULL((void *)0), NULL((void *)0)) != 0)) |
| 3217 | goto out; |
| 3218 | } |
| 3219 | first = 0; /* only check syntax for subsequent hosts */ |
| 3220 | } while (cp != sdup); |
| 3221 | /* success */ |
| 3222 | if (active) { |
| 3223 | if (strcasecmp(s, "none") == 0) { |
| 3224 | o->jump_host = xstrdup("none"); |
| 3225 | o->jump_port = 0; |
| 3226 | } else { |
| 3227 | o->jump_user = user; |
| 3228 | o->jump_host = host; |
| 3229 | o->jump_port = port; |
| 3230 | o->proxy_command = xstrdup("none"); |
| 3231 | user = host = NULL((void *)0); |
| 3232 | if ((cp = strrchr(s, ',')) != NULL((void *)0) && cp != s) { |
| 3233 | o->jump_extra = xstrdup(s); |
| 3234 | o->jump_extra[cp - s] = '\0'; |
| 3235 | } |
| 3236 | } |
| 3237 | } |
| 3238 | ret = 0; |
| 3239 | out: |
| 3240 | free(orig); |
| 3241 | free(user); |
| 3242 | free(host); |
| 3243 | return ret; |
| 3244 | } |
| 3245 | |
| 3246 | int |
| 3247 | parse_ssh_uri(const char *uri, char **userp, char **hostp, int *portp) |
| 3248 | { |
| 3249 | char *user = NULL((void *)0), *host = NULL((void *)0), *path = NULL((void *)0); |
| 3250 | int r, port; |
| 3251 | |
| 3252 | r = parse_uri("ssh", uri, &user, &host, &port, &path); |
| 3253 | if (r == 0 && path != NULL((void *)0)) |
| 3254 | r = -1; /* path not allowed */ |
| 3255 | if (r == 0) { |
| 3256 | if (userp != NULL((void *)0)) { |
| 3257 | *userp = user; |
| 3258 | user = NULL((void *)0); |
| 3259 | } |
| 3260 | if (hostp != NULL((void *)0)) { |
| 3261 | *hostp = host; |
| 3262 | host = NULL((void *)0); |
| 3263 | } |
| 3264 | if (portp != NULL((void *)0)) |
| 3265 | *portp = port; |
| 3266 | } |
| 3267 | free(user); |
| 3268 | free(host); |
| 3269 | free(path); |
| 3270 | return r; |
| 3271 | } |
| 3272 | |
| 3273 | /* XXX the following is a near-vebatim copy from servconf.c; refactor */ |
| 3274 | static const char * |
| 3275 | fmt_multistate_int(int val, const struct multistate *m) |
| 3276 | { |
| 3277 | u_int i; |
| 3278 | |
| 3279 | for (i = 0; m[i].key != NULL((void *)0); i++) { |
| 3280 | if (m[i].value == val) |
| 3281 | return m[i].key; |
| 3282 | } |
| 3283 | return "UNKNOWN"; |
| 3284 | } |
| 3285 | |
| 3286 | static const char * |
| 3287 | fmt_intarg(OpCodes code, int val) |
| 3288 | { |
| 3289 | if (val == -1) |
| 3290 | return "unset"; |
| 3291 | switch (code) { |
| 3292 | case oAddressFamily: |
| 3293 | return fmt_multistate_int(val, multistate_addressfamily); |
| 3294 | case oVerifyHostKeyDNS: |
| 3295 | case oUpdateHostkeys: |
| 3296 | return fmt_multistate_int(val, multistate_yesnoask); |
| 3297 | case oStrictHostKeyChecking: |
| 3298 | return fmt_multistate_int(val, multistate_strict_hostkey); |
| 3299 | case oControlMaster: |
| 3300 | return fmt_multistate_int(val, multistate_controlmaster); |
| 3301 | case oTunnel: |
| 3302 | return fmt_multistate_int(val, multistate_tunnel); |
| 3303 | case oRequestTTY: |
| 3304 | return fmt_multistate_int(val, multistate_requesttty); |
| 3305 | case oSessionType: |
| 3306 | return fmt_multistate_int(val, multistate_sessiontype); |
| 3307 | case oCanonicalizeHostname: |
| 3308 | return fmt_multistate_int(val, multistate_canonicalizehostname); |
| 3309 | case oAddKeysToAgent: |
| 3310 | return fmt_multistate_int(val, multistate_yesnoaskconfirm); |
| 3311 | case oPubkeyAuthentication: |
| 3312 | return fmt_multistate_int(val, multistate_pubkey_auth); |
| 3313 | case oFingerprintHash: |
| 3314 | return ssh_digest_alg_name(val); |
| 3315 | default: |
| 3316 | switch (val) { |
| 3317 | case 0: |
| 3318 | return "no"; |
| 3319 | case 1: |
| 3320 | return "yes"; |
| 3321 | default: |
| 3322 | return "UNKNOWN"; |
| 3323 | } |
| 3324 | } |
| 3325 | } |
| 3326 | |
| 3327 | static const char * |
| 3328 | lookup_opcode_name(OpCodes code) |
| 3329 | { |
| 3330 | u_int i; |
| 3331 | |
| 3332 | for (i = 0; keywords[i].name != NULL((void *)0); i++) |
| 3333 | if (keywords[i].opcode == code) |
| 3334 | return(keywords[i].name); |
| 3335 | return "UNKNOWN"; |
| 3336 | } |
| 3337 | |
| 3338 | static void |
| 3339 | dump_cfg_int(OpCodes code, int val) |
| 3340 | { |
| 3341 | if (code == oObscureKeystrokeTiming) { |
| 3342 | if (val == 0) { |
| 3343 | printf("%s no\n", lookup_opcode_name(code)); |
| 3344 | return; |
| 3345 | } else if (val == SSH_KEYSTROKE_DEFAULT_INTERVAL_MS20) { |
| 3346 | printf("%s yes\n", lookup_opcode_name(code)); |
| 3347 | return; |
| 3348 | } |
| 3349 | /* FALLTHROUGH */ |
| 3350 | } |
| 3351 | printf("%s %d\n", lookup_opcode_name(code), val); |
| 3352 | } |
| 3353 | |
| 3354 | static void |
| 3355 | dump_cfg_fmtint(OpCodes code, int val) |
| 3356 | { |
| 3357 | printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val)); |
| 3358 | } |
| 3359 | |
| 3360 | static void |
| 3361 | dump_cfg_string(OpCodes code, const char *val) |
| 3362 | { |
| 3363 | if (val == NULL((void *)0)) |
| 3364 | return; |
| 3365 | printf("%s %s\n", lookup_opcode_name(code), val); |
| 3366 | } |
| 3367 | |
| 3368 | static void |
| 3369 | dump_cfg_strarray(OpCodes code, u_int count, char **vals) |
| 3370 | { |
| 3371 | u_int i; |
| 3372 | |
| 3373 | for (i = 0; i < count; i++) |
| 3374 | printf("%s %s\n", lookup_opcode_name(code), vals[i]); |
| 3375 | } |
| 3376 | |
| 3377 | static void |
| 3378 | dump_cfg_strarray_oneline(OpCodes code, u_int count, char **vals) |
| 3379 | { |
| 3380 | u_int i; |
| 3381 | |
| 3382 | printf("%s", lookup_opcode_name(code)); |
| 3383 | if (count == 0) |
| 3384 | printf(" none"); |
| 3385 | for (i = 0; i < count; i++) |
| 3386 | printf(" %s", vals[i]); |
| 3387 | printf("\n"); |
| 3388 | } |
| 3389 | |
| 3390 | static void |
| 3391 | dump_cfg_forwards(OpCodes code, u_int count, const struct Forward *fwds) |
| 3392 | { |
| 3393 | const struct Forward *fwd; |
| 3394 | u_int i; |
| 3395 | |
| 3396 | /* oDynamicForward */ |
| 3397 | for (i = 0; i < count; i++) { |
| 3398 | fwd = &fwds[i]; |
| 3399 | if (code == oDynamicForward && fwd->connect_host != NULL((void *)0) && |
| 3400 | strcmp(fwd->connect_host, "socks") != 0) |
| 3401 | continue; |
| 3402 | if (code == oLocalForward && fwd->connect_host != NULL((void *)0) && |
| 3403 | strcmp(fwd->connect_host, "socks") == 0) |
| 3404 | continue; |
| 3405 | printf("%s", lookup_opcode_name(code)); |
| 3406 | if (fwd->listen_port == PORT_STREAMLOCAL-2) |
| 3407 | printf(" %s", fwd->listen_path); |
| 3408 | else if (fwd->listen_host == NULL((void *)0)) |
| 3409 | printf(" %d", fwd->listen_port); |
| 3410 | else { |
| 3411 | printf(" [%s]:%d", |
| 3412 | fwd->listen_host, fwd->listen_port); |
| 3413 | } |
| 3414 | if (code != oDynamicForward) { |
| 3415 | if (fwd->connect_port == PORT_STREAMLOCAL-2) |
| 3416 | printf(" %s", fwd->connect_path); |
| 3417 | else if (fwd->connect_host == NULL((void *)0)) |
| 3418 | printf(" %d", fwd->connect_port); |
| 3419 | else { |
| 3420 | printf(" [%s]:%d", |
| 3421 | fwd->connect_host, fwd->connect_port); |
| 3422 | } |
| 3423 | } |
| 3424 | printf("\n"); |
| 3425 | } |
| 3426 | } |
| 3427 | |
| 3428 | void |
| 3429 | dump_client_config(Options *o, const char *host) |
| 3430 | { |
| 3431 | int i, r; |
| 3432 | char buf[8], *all_key; |
| 3433 | |
| 3434 | /* |
| 3435 | * Expand HostKeyAlgorithms name lists. This isn't handled in |
| 3436 | * fill_default_options() like the other algorithm lists because |
| 3437 | * the host key algorithms are by default dynamically chosen based |
| 3438 | * on the host's keys found in known_hosts. |
| 3439 | */ |
| 3440 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 3441 | if ((r = kex_assemble_names(&o->hostkeyalgorithms, kex_default_pk_alg(), |
| 3442 | all_key)) != 0) |
| 3443 | fatal_fr(r, "expand HostKeyAlgorithms")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 3443 , 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "expand HostKeyAlgorithms" ); |
| 3444 | free(all_key); |
| 3445 | |
| 3446 | /* Most interesting options first: user, host, port */ |
| 3447 | dump_cfg_string(oHost, o->host_arg); |
| 3448 | dump_cfg_string(oUser, o->user); |
| 3449 | dump_cfg_string(oHostname, host); |
| 3450 | dump_cfg_int(oPort, o->port); |
| 3451 | |
| 3452 | /* Flag options */ |
| 3453 | dump_cfg_fmtint(oAddressFamily, o->address_family); |
| 3454 | dump_cfg_fmtint(oBatchMode, o->batch_mode); |
| 3455 | dump_cfg_fmtint(oCanonicalizeFallbackLocal, o->canonicalize_fallback_local); |
| 3456 | dump_cfg_fmtint(oCanonicalizeHostname, o->canonicalize_hostname); |
| 3457 | dump_cfg_fmtint(oCheckHostIP, o->check_host_ip); |
| 3458 | dump_cfg_fmtint(oCompression, o->compression); |
| 3459 | dump_cfg_fmtint(oControlMaster, o->control_master); |
| 3460 | dump_cfg_fmtint(oEnableSSHKeysign, o->enable_ssh_keysign); |
| 3461 | dump_cfg_fmtint(oClearAllForwardings, o->clear_forwardings); |
| 3462 | dump_cfg_fmtint(oExitOnForwardFailure, o->exit_on_forward_failure); |
| 3463 | dump_cfg_fmtint(oFingerprintHash, o->fingerprint_hash); |
| 3464 | dump_cfg_fmtint(oForwardX11, o->forward_x11); |
| 3465 | dump_cfg_fmtint(oForwardX11Trusted, o->forward_x11_trusted); |
| 3466 | dump_cfg_fmtint(oGatewayPorts, o->fwd_opts.gateway_ports); |
| 3467 | #ifdef GSSAPI |
| 3468 | dump_cfg_fmtint(oGssAuthentication, o->gss_authentication); |
| 3469 | dump_cfg_fmtint(oGssDelegateCreds, o->gss_deleg_creds); |
| 3470 | #endif /* GSSAPI */ |
| 3471 | dump_cfg_fmtint(oHashKnownHosts, o->hash_known_hosts); |
| 3472 | dump_cfg_fmtint(oHostbasedAuthentication, o->hostbased_authentication); |
| 3473 | dump_cfg_fmtint(oIdentitiesOnly, o->identities_only); |
| 3474 | dump_cfg_fmtint(oKbdInteractiveAuthentication, o->kbd_interactive_authentication); |
| 3475 | dump_cfg_fmtint(oNoHostAuthenticationForLocalhost, o->no_host_authentication_for_localhost); |
| 3476 | dump_cfg_fmtint(oPasswordAuthentication, o->password_authentication); |
| 3477 | dump_cfg_fmtint(oPermitLocalCommand, o->permit_local_command); |
| 3478 | dump_cfg_fmtint(oProxyUseFdpass, o->proxy_use_fdpass); |
| 3479 | dump_cfg_fmtint(oPubkeyAuthentication, o->pubkey_authentication); |
| 3480 | dump_cfg_fmtint(oRequestTTY, o->request_tty); |
| 3481 | dump_cfg_fmtint(oSessionType, o->session_type); |
| 3482 | dump_cfg_fmtint(oStdinNull, o->stdin_null); |
| 3483 | dump_cfg_fmtint(oForkAfterAuthentication, o->fork_after_authentication); |
| 3484 | dump_cfg_fmtint(oStreamLocalBindUnlink, o->fwd_opts.streamlocal_bind_unlink); |
| 3485 | dump_cfg_fmtint(oStrictHostKeyChecking, o->strict_host_key_checking); |
| 3486 | dump_cfg_fmtint(oTCPKeepAlive, o->tcp_keep_alive); |
| 3487 | dump_cfg_fmtint(oTunnel, o->tun_open); |
| 3488 | dump_cfg_fmtint(oVerifyHostKeyDNS, o->verify_host_key_dns); |
| 3489 | dump_cfg_fmtint(oVisualHostKey, o->visual_host_key); |
| 3490 | dump_cfg_fmtint(oUpdateHostkeys, o->update_hostkeys); |
| 3491 | dump_cfg_fmtint(oEnableEscapeCommandline, o->enable_escape_commandline); |
| 3492 | |
| 3493 | /* Integer options */ |
| 3494 | dump_cfg_int(oCanonicalizeMaxDots, o->canonicalize_max_dots); |
| 3495 | dump_cfg_int(oConnectionAttempts, o->connection_attempts); |
| 3496 | dump_cfg_int(oForwardX11Timeout, o->forward_x11_timeout); |
| 3497 | dump_cfg_int(oNumberOfPasswordPrompts, o->number_of_password_prompts); |
| 3498 | dump_cfg_int(oServerAliveCountMax, o->server_alive_count_max); |
| 3499 | dump_cfg_int(oServerAliveInterval, o->server_alive_interval); |
| 3500 | dump_cfg_int(oRequiredRSASize, o->required_rsa_size); |
| 3501 | dump_cfg_int(oObscureKeystrokeTiming, |
| 3502 | o->obscure_keystroke_timing_interval); |
| 3503 | |
| 3504 | /* String options */ |
| 3505 | dump_cfg_string(oBindAddress, o->bind_address); |
| 3506 | dump_cfg_string(oBindInterface, o->bind_interface); |
| 3507 | dump_cfg_string(oCiphers, o->ciphers); |
| 3508 | dump_cfg_string(oControlPath, o->control_path); |
| 3509 | dump_cfg_string(oHostKeyAlgorithms, o->hostkeyalgorithms); |
| 3510 | dump_cfg_string(oHostKeyAlias, o->host_key_alias); |
| 3511 | dump_cfg_string(oHostbasedAcceptedAlgorithms, o->hostbased_accepted_algos); |
| 3512 | dump_cfg_string(oIdentityAgent, o->identity_agent); |
| 3513 | dump_cfg_string(oIgnoreUnknown, o->ignored_unknown); |
| 3514 | dump_cfg_string(oKbdInteractiveDevices, o->kbd_interactive_devices); |
| 3515 | dump_cfg_string(oKexAlgorithms, o->kex_algorithms); |
| 3516 | dump_cfg_string(oCASignatureAlgorithms, o->ca_sign_algorithms); |
| 3517 | dump_cfg_string(oLocalCommand, o->local_command); |
| 3518 | dump_cfg_string(oRemoteCommand, o->remote_command); |
| 3519 | dump_cfg_string(oLogLevel, log_level_name(o->log_level)); |
| 3520 | dump_cfg_string(oMacs, o->macs); |
| 3521 | #ifdef ENABLE_PKCS111 |
| 3522 | dump_cfg_string(oPKCS11Provider, o->pkcs11_provider); |
| 3523 | #endif |
| 3524 | dump_cfg_string(oSecurityKeyProvider, o->sk_provider); |
| 3525 | dump_cfg_string(oPreferredAuthentications, o->preferred_authentications); |
| 3526 | dump_cfg_string(oPubkeyAcceptedAlgorithms, o->pubkey_accepted_algos); |
| 3527 | dump_cfg_string(oRevokedHostKeys, o->revoked_host_keys); |
| 3528 | dump_cfg_string(oXAuthLocation, o->xauth_location); |
| 3529 | dump_cfg_string(oKnownHostsCommand, o->known_hosts_command); |
| 3530 | dump_cfg_string(oTag, o->tag); |
| 3531 | |
| 3532 | /* Forwards */ |
| 3533 | dump_cfg_forwards(oDynamicForward, o->num_local_forwards, o->local_forwards); |
| 3534 | dump_cfg_forwards(oLocalForward, o->num_local_forwards, o->local_forwards); |
| 3535 | dump_cfg_forwards(oRemoteForward, o->num_remote_forwards, o->remote_forwards); |
| 3536 | |
| 3537 | /* String array options */ |
| 3538 | dump_cfg_strarray(oIdentityFile, o->num_identity_files, o->identity_files); |
| 3539 | dump_cfg_strarray_oneline(oCanonicalDomains, o->num_canonical_domains, o->canonical_domains); |
| 3540 | dump_cfg_strarray(oCertificateFile, o->num_certificate_files, o->certificate_files); |
| 3541 | dump_cfg_strarray_oneline(oGlobalKnownHostsFile, o->num_system_hostfiles, o->system_hostfiles); |
| 3542 | dump_cfg_strarray_oneline(oUserKnownHostsFile, o->num_user_hostfiles, o->user_hostfiles); |
| 3543 | dump_cfg_strarray(oSendEnv, o->num_send_env, o->send_env); |
| 3544 | dump_cfg_strarray(oSetEnv, o->num_setenv, o->setenv); |
| 3545 | dump_cfg_strarray_oneline(oLogVerbose, |
| 3546 | o->num_log_verbose, o->log_verbose); |
| 3547 | dump_cfg_strarray_oneline(oChannelTimeout, |
| 3548 | o->num_channel_timeouts, o->channel_timeouts); |
| 3549 | |
| 3550 | /* Special cases */ |
| 3551 | |
| 3552 | /* PermitRemoteOpen */ |
| 3553 | if (o->num_permitted_remote_opens == 0) |
| 3554 | printf("%s any\n", lookup_opcode_name(oPermitRemoteOpen)); |
| 3555 | else |
| 3556 | dump_cfg_strarray_oneline(oPermitRemoteOpen, |
| 3557 | o->num_permitted_remote_opens, o->permitted_remote_opens); |
| 3558 | |
| 3559 | /* AddKeysToAgent */ |
| 3560 | if (o->add_keys_to_agent_lifespan <= 0) |
| 3561 | dump_cfg_fmtint(oAddKeysToAgent, o->add_keys_to_agent); |
| 3562 | else { |
| 3563 | printf("addkeystoagent%s %d\n", |
| 3564 | o->add_keys_to_agent == 3 ? " confirm" : "", |
| 3565 | o->add_keys_to_agent_lifespan); |
| 3566 | } |
| 3567 | |
| 3568 | /* oForwardAgent */ |
| 3569 | if (o->forward_agent_sock_path == NULL((void *)0)) |
| 3570 | dump_cfg_fmtint(oForwardAgent, o->forward_agent); |
| 3571 | else |
| 3572 | dump_cfg_string(oForwardAgent, o->forward_agent_sock_path); |
| 3573 | |
| 3574 | /* oConnectTimeout */ |
| 3575 | if (o->connection_timeout == -1) |
| 3576 | printf("connecttimeout none\n"); |
| 3577 | else |
| 3578 | dump_cfg_int(oConnectTimeout, o->connection_timeout); |
| 3579 | |
| 3580 | /* oTunnelDevice */ |
| 3581 | printf("tunneldevice"); |
| 3582 | if (o->tun_local == SSH_TUNID_ANY0x7fffffff) |
| 3583 | printf(" any"); |
| 3584 | else |
| 3585 | printf(" %d", o->tun_local); |
| 3586 | if (o->tun_remote == SSH_TUNID_ANY0x7fffffff) |
| 3587 | printf(":any"); |
| 3588 | else |
| 3589 | printf(":%d", o->tun_remote); |
| 3590 | printf("\n"); |
| 3591 | |
| 3592 | /* oCanonicalizePermittedCNAMEs */ |
| 3593 | printf("canonicalizePermittedcnames"); |
| 3594 | if (o->num_permitted_cnames == 0) |
| 3595 | printf(" none"); |
| 3596 | for (i = 0; i < o->num_permitted_cnames; i++) { |
| 3597 | printf(" %s:%s", o->permitted_cnames[i].source_list, |
| 3598 | o->permitted_cnames[i].target_list); |
| 3599 | } |
| 3600 | printf("\n"); |
| 3601 | |
| 3602 | /* oControlPersist */ |
| 3603 | if (o->control_persist == 0 || o->control_persist_timeout == 0) |
| 3604 | dump_cfg_fmtint(oControlPersist, o->control_persist); |
| 3605 | else |
| 3606 | dump_cfg_int(oControlPersist, o->control_persist_timeout); |
| 3607 | |
| 3608 | /* oEscapeChar */ |
| 3609 | if (o->escape_char == SSH_ESCAPECHAR_NONE-2) |
| 3610 | printf("escapechar none\n"); |
| 3611 | else { |
| 3612 | vis(buf, o->escape_char, VIS_WHITE(0x04 | 0x08 | 0x10), 0); |
| 3613 | printf("escapechar %s\n", buf); |
| 3614 | } |
| 3615 | |
| 3616 | /* oIPQoS */ |
| 3617 | printf("ipqos %s ", iptos2str(o->ip_qos_interactive)); |
| 3618 | printf("%s\n", iptos2str(o->ip_qos_bulk)); |
| 3619 | |
| 3620 | /* oRekeyLimit */ |
| 3621 | printf("rekeylimit %llu %d\n", |
| 3622 | (unsigned long long)o->rekey_limit, o->rekey_interval); |
| 3623 | |
| 3624 | /* oStreamLocalBindMask */ |
| 3625 | printf("streamlocalbindmask 0%o\n", |
| 3626 | o->fwd_opts.streamlocal_bind_mask); |
| 3627 | |
| 3628 | /* oLogFacility */ |
| 3629 | printf("syslogfacility %s\n", log_facility_name(o->log_facility)); |
| 3630 | |
| 3631 | /* oProxyCommand / oProxyJump */ |
| 3632 | if (o->jump_host == NULL((void *)0)) |
| 3633 | dump_cfg_string(oProxyCommand, o->proxy_command); |
| 3634 | else { |
| 3635 | /* Check for numeric addresses */ |
| 3636 | i = strchr(o->jump_host, ':') != NULL((void *)0) || |
| 3637 | strspn(o->jump_host, "1234567890.") == strlen(o->jump_host); |
| 3638 | snprintf(buf, sizeof(buf), "%d", o->jump_port); |
| 3639 | printf("proxyjump %s%s%s%s%s%s%s%s%s\n", |
| 3640 | /* optional additional jump spec */ |
| 3641 | o->jump_extra == NULL((void *)0) ? "" : o->jump_extra, |
| 3642 | o->jump_extra == NULL((void *)0) ? "" : ",", |
| 3643 | /* optional user */ |
| 3644 | o->jump_user == NULL((void *)0) ? "" : o->jump_user, |
| 3645 | o->jump_user == NULL((void *)0) ? "" : "@", |
| 3646 | /* opening [ if hostname is numeric */ |
| 3647 | i ? "[" : "", |
| 3648 | /* mandatory hostname */ |
| 3649 | o->jump_host, |
| 3650 | /* closing ] if hostname is numeric */ |
| 3651 | i ? "]" : "", |
| 3652 | /* optional port number */ |
| 3653 | o->jump_port <= 0 ? "" : ":", |
| 3654 | o->jump_port <= 0 ? "" : buf); |
| 3655 | } |
| 3656 | } |