| File: | src/usr.bin/ssh/ssh/../readconf.c |
| Warning: | line 1580, column 4 Value stored to 'p' is never read |
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| 1 | /* $OpenBSD: readconf.c,v 1.364 2021/12/19 22:14:47 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 <netinet/in.h> |
| 22 | #include <netinet/ip.h> |
| 23 | |
| 24 | #include <ctype.h> |
| 25 | #include <errno(*__errno()).h> |
| 26 | #include <fcntl.h> |
| 27 | #include <glob.h> |
| 28 | #include <netdb.h> |
| 29 | #include <paths.h> |
| 30 | #include <pwd.h> |
| 31 | #include <signal.h> |
| 32 | #include <stdio.h> |
| 33 | #include <string.h> |
| 34 | #include <stdarg.h> |
| 35 | #include <unistd.h> |
| 36 | #include <limits.h> |
| 37 | #include <util.h> |
| 38 | #include <vis.h> |
| 39 | |
| 40 | #include "xmalloc.h" |
| 41 | #include "ssh.h" |
| 42 | #include "ssherr.h" |
| 43 | #include "compat.h" |
| 44 | #include "cipher.h" |
| 45 | #include "pathnames.h" |
| 46 | #include "log.h" |
| 47 | #include "sshkey.h" |
| 48 | #include "misc.h" |
| 49 | #include "readconf.h" |
| 50 | #include "match.h" |
| 51 | #include "kex.h" |
| 52 | #include "mac.h" |
| 53 | #include "uidswap.h" |
| 54 | #include "myproposal.h" |
| 55 | #include "digest.h" |
| 56 | |
| 57 | /* Format of the configuration file: |
| 58 | |
| 59 | # Configuration data is parsed as follows: |
| 60 | # 1. command line options |
| 61 | # 2. user-specific file |
| 62 | # 3. system-wide file |
| 63 | # Any configuration value is only changed the first time it is set. |
| 64 | # Thus, host-specific definitions should be at the beginning of the |
| 65 | # configuration file, and defaults at the end. |
| 66 | |
| 67 | # Host-specific declarations. These may override anything above. A single |
| 68 | # host may match multiple declarations; these are processed in the order |
| 69 | # that they are given in. |
| 70 | |
| 71 | Host *.ngs.fi ngs.fi |
| 72 | User foo |
| 73 | |
| 74 | Host fake.com |
| 75 | Hostname another.host.name.real.org |
| 76 | User blaah |
| 77 | Port 34289 |
| 78 | ForwardX11 no |
| 79 | ForwardAgent no |
| 80 | |
| 81 | Host books.com |
| 82 | RemoteForward 9999 shadows.cs.hut.fi:9999 |
| 83 | Ciphers 3des-cbc |
| 84 | |
| 85 | Host fascist.blob.com |
| 86 | Port 23123 |
| 87 | User tylonen |
| 88 | PasswordAuthentication no |
| 89 | |
| 90 | Host puukko.hut.fi |
| 91 | User t35124p |
| 92 | ProxyCommand ssh-proxy %h %p |
| 93 | |
| 94 | Host *.fr |
| 95 | PublicKeyAuthentication no |
| 96 | |
| 97 | Host *.su |
| 98 | Ciphers aes128-ctr |
| 99 | PasswordAuthentication no |
| 100 | |
| 101 | Host vpn.fake.com |
| 102 | Tunnel yes |
| 103 | TunnelDevice 3 |
| 104 | |
| 105 | # Defaults for various options |
| 106 | Host * |
| 107 | ForwardAgent no |
| 108 | ForwardX11 no |
| 109 | PasswordAuthentication yes |
| 110 | StrictHostKeyChecking yes |
| 111 | TcpKeepAlive no |
| 112 | IdentityFile ~/.ssh/identity |
| 113 | Port 22 |
| 114 | EscapeChar ~ |
| 115 | |
| 116 | */ |
| 117 | |
| 118 | static int read_config_file_depth(const char *filename, struct passwd *pw, |
| 119 | const char *host, const char *original_host, Options *options, |
| 120 | int flags, int *activep, int *want_final_pass, int depth); |
| 121 | static int process_config_line_depth(Options *options, struct passwd *pw, |
| 122 | const char *host, const char *original_host, char *line, |
| 123 | const char *filename, int linenum, int *activep, int flags, |
| 124 | int *want_final_pass, int depth); |
| 125 | |
| 126 | /* Keyword tokens. */ |
| 127 | |
| 128 | typedef enum { |
| 129 | oBadOption, |
| 130 | oHost, oMatch, oInclude, |
| 131 | oForwardAgent, oForwardX11, oForwardX11Trusted, oForwardX11Timeout, |
| 132 | oGatewayPorts, oExitOnForwardFailure, |
| 133 | oPasswordAuthentication, |
| 134 | oXAuthLocation, |
| 135 | oIdentityFile, oHostname, oPort, oRemoteForward, oLocalForward, |
| 136 | oPermitRemoteOpen, |
| 137 | oCertificateFile, oAddKeysToAgent, oIdentityAgent, |
| 138 | oUser, oEscapeChar, oProxyCommand, |
| 139 | oGlobalKnownHostsFile, oUserKnownHostsFile, oConnectionAttempts, |
| 140 | oBatchMode, oCheckHostIP, oStrictHostKeyChecking, oCompression, |
| 141 | oTCPKeepAlive, oNumberOfPasswordPrompts, |
| 142 | oLogFacility, oLogLevel, oLogVerbose, oCiphers, oMacs, |
| 143 | oPubkeyAuthentication, |
| 144 | oKbdInteractiveAuthentication, oKbdInteractiveDevices, oHostKeyAlias, |
| 145 | oDynamicForward, oPreferredAuthentications, oHostbasedAuthentication, |
| 146 | oHostKeyAlgorithms, oBindAddress, oBindInterface, oPKCS11Provider, |
| 147 | oClearAllForwardings, oNoHostAuthenticationForLocalhost, |
| 148 | oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout, |
| 149 | oAddressFamily, oGssAuthentication, oGssDelegateCreds, |
| 150 | oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly, |
| 151 | oSendEnv, oSetEnv, oControlPath, oControlMaster, oControlPersist, |
| 152 | oHashKnownHosts, |
| 153 | oTunnel, oTunnelDevice, |
| 154 | oLocalCommand, oPermitLocalCommand, oRemoteCommand, |
| 155 | oVisualHostKey, |
| 156 | oKexAlgorithms, oIPQoS, oRequestTTY, oSessionType, oStdinNull, |
| 157 | oForkAfterAuthentication, oIgnoreUnknown, oProxyUseFdpass, |
| 158 | oCanonicalDomains, oCanonicalizeHostname, oCanonicalizeMaxDots, |
| 159 | oCanonicalizeFallbackLocal, oCanonicalizePermittedCNAMEs, |
| 160 | oStreamLocalBindMask, oStreamLocalBindUnlink, oRevokedHostKeys, |
| 161 | oFingerprintHash, oUpdateHostkeys, oHostbasedAcceptedAlgorithms, |
| 162 | oPubkeyAcceptedAlgorithms, oCASignatureAlgorithms, oProxyJump, |
| 163 | oSecurityKeyProvider, oKnownHostsCommand, |
| 164 | oIgnore, oIgnoredUnknownOption, oDeprecated, oUnsupported |
| 165 | } OpCodes; |
| 166 | |
| 167 | /* Textual representations of the tokens. */ |
| 168 | |
| 169 | static struct { |
| 170 | const char *name; |
| 171 | OpCodes opcode; |
| 172 | } keywords[] = { |
| 173 | /* Deprecated options */ |
| 174 | { "protocol", oIgnore }, /* NB. silently ignored */ |
| 175 | { "cipher", oDeprecated }, |
| 176 | { "fallbacktorsh", oDeprecated }, |
| 177 | { "globalknownhostsfile2", oDeprecated }, |
| 178 | { "rhostsauthentication", oDeprecated }, |
| 179 | { "userknownhostsfile2", oDeprecated }, |
| 180 | { "useroaming", oDeprecated }, |
| 181 | { "usersh", oDeprecated }, |
| 182 | { "useprivilegedport", oDeprecated }, |
| 183 | |
| 184 | /* Unsupported options */ |
| 185 | { "afstokenpassing", oUnsupported }, |
| 186 | { "kerberosauthentication", oUnsupported }, |
| 187 | { "kerberostgtpassing", oUnsupported }, |
| 188 | { "rsaauthentication", oUnsupported }, |
| 189 | { "rhostsrsaauthentication", oUnsupported }, |
| 190 | { "compressionlevel", oUnsupported }, |
| 191 | |
| 192 | /* Sometimes-unsupported options */ |
| 193 | #if defined(GSSAPI) |
| 194 | { "gssapiauthentication", oGssAuthentication }, |
| 195 | { "gssapidelegatecredentials", oGssDelegateCreds }, |
| 196 | # else |
| 197 | { "gssapiauthentication", oUnsupported }, |
| 198 | { "gssapidelegatecredentials", oUnsupported }, |
| 199 | #endif |
| 200 | #ifdef ENABLE_PKCS111 |
| 201 | { "pkcs11provider", oPKCS11Provider }, |
| 202 | { "smartcarddevice", oPKCS11Provider }, |
| 203 | # else |
| 204 | { "smartcarddevice", oUnsupported }, |
| 205 | { "pkcs11provider", oUnsupported }, |
| 206 | #endif |
| 207 | |
| 208 | { "forwardagent", oForwardAgent }, |
| 209 | { "forwardx11", oForwardX11 }, |
| 210 | { "forwardx11trusted", oForwardX11Trusted }, |
| 211 | { "forwardx11timeout", oForwardX11Timeout }, |
| 212 | { "exitonforwardfailure", oExitOnForwardFailure }, |
| 213 | { "xauthlocation", oXAuthLocation }, |
| 214 | { "gatewayports", oGatewayPorts }, |
| 215 | { "passwordauthentication", oPasswordAuthentication }, |
| 216 | { "kbdinteractiveauthentication", oKbdInteractiveAuthentication }, |
| 217 | { "kbdinteractivedevices", oKbdInteractiveDevices }, |
| 218 | { "challengeresponseauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 219 | { "skeyauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 220 | { "tisauthentication", oKbdInteractiveAuthentication }, /* alias */ |
| 221 | { "pubkeyauthentication", oPubkeyAuthentication }, |
| 222 | { "dsaauthentication", oPubkeyAuthentication }, /* alias */ |
| 223 | { "hostbasedauthentication", oHostbasedAuthentication }, |
| 224 | { "identityfile", oIdentityFile }, |
| 225 | { "identityfile2", oIdentityFile }, /* obsolete */ |
| 226 | { "identitiesonly", oIdentitiesOnly }, |
| 227 | { "certificatefile", oCertificateFile }, |
| 228 | { "addkeystoagent", oAddKeysToAgent }, |
| 229 | { "identityagent", oIdentityAgent }, |
| 230 | { "hostname", oHostname }, |
| 231 | { "hostkeyalias", oHostKeyAlias }, |
| 232 | { "proxycommand", oProxyCommand }, |
| 233 | { "port", oPort }, |
| 234 | { "ciphers", oCiphers }, |
| 235 | { "macs", oMacs }, |
| 236 | { "remoteforward", oRemoteForward }, |
| 237 | { "localforward", oLocalForward }, |
| 238 | { "permitremoteopen", oPermitRemoteOpen }, |
| 239 | { "user", oUser }, |
| 240 | { "host", oHost }, |
| 241 | { "match", oMatch }, |
| 242 | { "escapechar", oEscapeChar }, |
| 243 | { "globalknownhostsfile", oGlobalKnownHostsFile }, |
| 244 | { "userknownhostsfile", oUserKnownHostsFile }, |
| 245 | { "connectionattempts", oConnectionAttempts }, |
| 246 | { "batchmode", oBatchMode }, |
| 247 | { "checkhostip", oCheckHostIP }, |
| 248 | { "stricthostkeychecking", oStrictHostKeyChecking }, |
| 249 | { "compression", oCompression }, |
| 250 | { "tcpkeepalive", oTCPKeepAlive }, |
| 251 | { "keepalive", oTCPKeepAlive }, /* obsolete */ |
| 252 | { "numberofpasswordprompts", oNumberOfPasswordPrompts }, |
| 253 | { "syslogfacility", oLogFacility }, |
| 254 | { "loglevel", oLogLevel }, |
| 255 | { "logverbose", oLogVerbose }, |
| 256 | { "dynamicforward", oDynamicForward }, |
| 257 | { "preferredauthentications", oPreferredAuthentications }, |
| 258 | { "hostkeyalgorithms", oHostKeyAlgorithms }, |
| 259 | { "casignaturealgorithms", oCASignatureAlgorithms }, |
| 260 | { "bindaddress", oBindAddress }, |
| 261 | { "bindinterface", oBindInterface }, |
| 262 | { "clearallforwardings", oClearAllForwardings }, |
| 263 | { "enablesshkeysign", oEnableSSHKeysign }, |
| 264 | { "verifyhostkeydns", oVerifyHostKeyDNS }, |
| 265 | { "nohostauthenticationforlocalhost", oNoHostAuthenticationForLocalhost }, |
| 266 | { "rekeylimit", oRekeyLimit }, |
| 267 | { "connecttimeout", oConnectTimeout }, |
| 268 | { "addressfamily", oAddressFamily }, |
| 269 | { "serveraliveinterval", oServerAliveInterval }, |
| 270 | { "serveralivecountmax", oServerAliveCountMax }, |
| 271 | { "sendenv", oSendEnv }, |
| 272 | { "setenv", oSetEnv }, |
| 273 | { "controlpath", oControlPath }, |
| 274 | { "controlmaster", oControlMaster }, |
| 275 | { "controlpersist", oControlPersist }, |
| 276 | { "hashknownhosts", oHashKnownHosts }, |
| 277 | { "include", oInclude }, |
| 278 | { "tunnel", oTunnel }, |
| 279 | { "tunneldevice", oTunnelDevice }, |
| 280 | { "localcommand", oLocalCommand }, |
| 281 | { "permitlocalcommand", oPermitLocalCommand }, |
| 282 | { "remotecommand", oRemoteCommand }, |
| 283 | { "visualhostkey", oVisualHostKey }, |
| 284 | { "kexalgorithms", oKexAlgorithms }, |
| 285 | { "ipqos", oIPQoS }, |
| 286 | { "requesttty", oRequestTTY }, |
| 287 | { "sessiontype", oSessionType }, |
| 288 | { "stdinnull", oStdinNull }, |
| 289 | { "forkafterauthentication", oForkAfterAuthentication }, |
| 290 | { "proxyusefdpass", oProxyUseFdpass }, |
| 291 | { "canonicaldomains", oCanonicalDomains }, |
| 292 | { "canonicalizefallbacklocal", oCanonicalizeFallbackLocal }, |
| 293 | { "canonicalizehostname", oCanonicalizeHostname }, |
| 294 | { "canonicalizemaxdots", oCanonicalizeMaxDots }, |
| 295 | { "canonicalizepermittedcnames", oCanonicalizePermittedCNAMEs }, |
| 296 | { "streamlocalbindmask", oStreamLocalBindMask }, |
| 297 | { "streamlocalbindunlink", oStreamLocalBindUnlink }, |
| 298 | { "revokedhostkeys", oRevokedHostKeys }, |
| 299 | { "fingerprinthash", oFingerprintHash }, |
| 300 | { "updatehostkeys", oUpdateHostkeys }, |
| 301 | { "hostbasedacceptedalgorithms", oHostbasedAcceptedAlgorithms }, |
| 302 | { "hostbasedkeytypes", oHostbasedAcceptedAlgorithms }, /* obsolete */ |
| 303 | { "pubkeyacceptedalgorithms", oPubkeyAcceptedAlgorithms }, |
| 304 | { "pubkeyacceptedkeytypes", oPubkeyAcceptedAlgorithms }, /* obsolete */ |
| 305 | { "ignoreunknown", oIgnoreUnknown }, |
| 306 | { "proxyjump", oProxyJump }, |
| 307 | { "securitykeyprovider", oSecurityKeyProvider }, |
| 308 | { "knownhostscommand", oKnownHostsCommand }, |
| 309 | |
| 310 | { NULL((void *)0), oBadOption } |
| 311 | }; |
| 312 | |
| 313 | static const char *lookup_opcode_name(OpCodes code); |
| 314 | |
| 315 | const char * |
| 316 | kex_default_pk_alg(void) |
| 317 | { |
| 318 | static char *pkalgs; |
| 319 | |
| 320 | if (pkalgs == NULL((void *)0)) { |
| 321 | char *all_key; |
| 322 | |
| 323 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 324 | 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); |
| 325 | free(all_key); |
| 326 | } |
| 327 | return pkalgs; |
| 328 | } |
| 329 | |
| 330 | char * |
| 331 | ssh_connection_hash(const char *thishost, const char *host, const char *portstr, |
| 332 | const char *user) |
| 333 | { |
| 334 | struct ssh_digest_ctx *md; |
| 335 | u_char conn_hash[SSH_DIGEST_MAX_LENGTH64]; |
| 336 | |
| 337 | if ((md = ssh_digest_start(SSH_DIGEST_SHA11)) == NULL((void *)0) || |
| 338 | ssh_digest_update(md, thishost, strlen(thishost)) < 0 || |
| 339 | ssh_digest_update(md, host, strlen(host)) < 0 || |
| 340 | ssh_digest_update(md, portstr, strlen(portstr)) < 0 || |
| 341 | ssh_digest_update(md, user, strlen(user)) < 0 || |
| 342 | ssh_digest_final(md, conn_hash, sizeof(conn_hash)) < 0) |
| 343 | fatal_f("mux digest failed")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 343 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "mux digest failed"); |
| 344 | ssh_digest_free(md); |
| 345 | return tohex(conn_hash, ssh_digest_bytes(SSH_DIGEST_SHA11)); |
| 346 | } |
| 347 | |
| 348 | /* |
| 349 | * Adds a local TCP/IP port forward to options. Never returns if there is an |
| 350 | * error. |
| 351 | */ |
| 352 | |
| 353 | void |
| 354 | add_local_forward(Options *options, const struct Forward *newfwd) |
| 355 | { |
| 356 | struct Forward *fwd; |
| 357 | int i; |
| 358 | |
| 359 | /* Don't add duplicates */ |
| 360 | for (i = 0; i < options->num_local_forwards; i++) { |
| 361 | if (forward_equals(newfwd, options->local_forwards + i)) |
| 362 | return; |
| 363 | } |
| 364 | options->local_forwards = xreallocarray(options->local_forwards, |
| 365 | options->num_local_forwards + 1, |
| 366 | sizeof(*options->local_forwards)); |
| 367 | fwd = &options->local_forwards[options->num_local_forwards++]; |
| 368 | |
| 369 | fwd->listen_host = newfwd->listen_host; |
| 370 | fwd->listen_port = newfwd->listen_port; |
| 371 | fwd->listen_path = newfwd->listen_path; |
| 372 | fwd->connect_host = newfwd->connect_host; |
| 373 | fwd->connect_port = newfwd->connect_port; |
| 374 | fwd->connect_path = newfwd->connect_path; |
| 375 | } |
| 376 | |
| 377 | /* |
| 378 | * Adds a remote TCP/IP port forward to options. Never returns if there is |
| 379 | * an error. |
| 380 | */ |
| 381 | |
| 382 | void |
| 383 | add_remote_forward(Options *options, const struct Forward *newfwd) |
| 384 | { |
| 385 | struct Forward *fwd; |
| 386 | int i; |
| 387 | |
| 388 | /* Don't add duplicates */ |
| 389 | for (i = 0; i < options->num_remote_forwards; i++) { |
| 390 | if (forward_equals(newfwd, options->remote_forwards + i)) |
| 391 | return; |
| 392 | } |
| 393 | options->remote_forwards = xreallocarray(options->remote_forwards, |
| 394 | options->num_remote_forwards + 1, |
| 395 | sizeof(*options->remote_forwards)); |
| 396 | fwd = &options->remote_forwards[options->num_remote_forwards++]; |
| 397 | |
| 398 | fwd->listen_host = newfwd->listen_host; |
| 399 | fwd->listen_port = newfwd->listen_port; |
| 400 | fwd->listen_path = newfwd->listen_path; |
| 401 | fwd->connect_host = newfwd->connect_host; |
| 402 | fwd->connect_port = newfwd->connect_port; |
| 403 | fwd->connect_path = newfwd->connect_path; |
| 404 | fwd->handle = newfwd->handle; |
| 405 | fwd->allocated_port = 0; |
| 406 | } |
| 407 | |
| 408 | static void |
| 409 | clear_forwardings(Options *options) |
| 410 | { |
| 411 | int i; |
| 412 | |
| 413 | for (i = 0; i < options->num_local_forwards; i++) { |
| 414 | free(options->local_forwards[i].listen_host); |
| 415 | free(options->local_forwards[i].listen_path); |
| 416 | free(options->local_forwards[i].connect_host); |
| 417 | free(options->local_forwards[i].connect_path); |
| 418 | } |
| 419 | if (options->num_local_forwards > 0) { |
| 420 | free(options->local_forwards); |
| 421 | options->local_forwards = NULL((void *)0); |
| 422 | } |
| 423 | options->num_local_forwards = 0; |
| 424 | for (i = 0; i < options->num_remote_forwards; i++) { |
| 425 | free(options->remote_forwards[i].listen_host); |
| 426 | free(options->remote_forwards[i].listen_path); |
| 427 | free(options->remote_forwards[i].connect_host); |
| 428 | free(options->remote_forwards[i].connect_path); |
| 429 | } |
| 430 | if (options->num_remote_forwards > 0) { |
| 431 | free(options->remote_forwards); |
| 432 | options->remote_forwards = NULL((void *)0); |
| 433 | } |
| 434 | options->num_remote_forwards = 0; |
| 435 | options->tun_open = SSH_TUNMODE_NO0x00; |
| 436 | } |
| 437 | |
| 438 | void |
| 439 | add_certificate_file(Options *options, const char *path, int userprovided) |
| 440 | { |
| 441 | int i; |
| 442 | |
| 443 | if (options->num_certificate_files >= SSH_MAX_CERTIFICATE_FILES100) |
| 444 | fatal("Too many certificate files specified (max %d)",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 445 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many certificate files specified (max %d)" , 100) |
| 445 | SSH_MAX_CERTIFICATE_FILES)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 445 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many certificate files specified (max %d)" , 100); |
| 446 | |
| 447 | /* Avoid registering duplicates */ |
| 448 | for (i = 0; i < options->num_certificate_files; i++) { |
| 449 | if (options->certificate_file_userprovided[i] == userprovided && |
| 450 | strcmp(options->certificate_files[i], path) == 0) { |
| 451 | debug2_f("ignoring duplicate key %s", path)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 451 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "ignoring duplicate key %s" , path); |
| 452 | return; |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | options->certificate_file_userprovided[options->num_certificate_files] = |
| 457 | userprovided; |
| 458 | options->certificate_files[options->num_certificate_files++] = |
| 459 | xstrdup(path); |
| 460 | } |
| 461 | |
| 462 | void |
| 463 | add_identity_file(Options *options, const char *dir, const char *filename, |
| 464 | int userprovided) |
| 465 | { |
| 466 | char *path; |
| 467 | int i; |
| 468 | |
| 469 | if (options->num_identity_files >= SSH_MAX_IDENTITY_FILES100) |
| 470 | fatal("Too many identity files specified (max %d)",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 471 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many identity files specified (max %d)" , 100) |
| 471 | SSH_MAX_IDENTITY_FILES)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 471 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many identity files specified (max %d)" , 100); |
| 472 | |
| 473 | if (dir == NULL((void *)0)) /* no dir, filename is absolute */ |
| 474 | path = xstrdup(filename); |
| 475 | else if (xasprintf(&path, "%s%s", dir, filename) >= PATH_MAX1024) |
| 476 | fatal("Identity file path %s too long", path)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 476 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Identity file path %s too long" , path); |
| 477 | |
| 478 | /* Avoid registering duplicates */ |
| 479 | for (i = 0; i < options->num_identity_files; i++) { |
| 480 | if (options->identity_file_userprovided[i] == userprovided && |
| 481 | strcmp(options->identity_files[i], path) == 0) { |
| 482 | debug2_f("ignoring duplicate key %s", path)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 482 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "ignoring duplicate key %s" , path); |
| 483 | free(path); |
| 484 | return; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | options->identity_file_userprovided[options->num_identity_files] = |
| 489 | userprovided; |
| 490 | options->identity_files[options->num_identity_files++] = path; |
| 491 | } |
| 492 | |
| 493 | int |
| 494 | default_ssh_port(void) |
| 495 | { |
| 496 | static int port; |
| 497 | struct servent *sp; |
| 498 | |
| 499 | if (port == 0) { |
| 500 | sp = getservbyname(SSH_SERVICE_NAME"ssh", "tcp"); |
| 501 | 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; |
| 502 | } |
| 503 | return port; |
| 504 | } |
| 505 | |
| 506 | /* |
| 507 | * Execute a command in a shell. |
| 508 | * Return its exit status or -1 on abnormal exit. |
| 509 | */ |
| 510 | static int |
| 511 | execute_in_shell(const char *cmd) |
| 512 | { |
| 513 | char *shell; |
| 514 | pid_t pid; |
| 515 | int status; |
| 516 | |
| 517 | if ((shell = getenv("SHELL")) == NULL((void *)0)) |
| 518 | shell = _PATH_BSHELL"/bin/sh"; |
| 519 | |
| 520 | if (access(shell, X_OK0x01) == -1) { |
| 521 | fatal("Shell \"%s\" is not executable: %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 522 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Shell \"%s\" is not executable: %s" , shell, strerror((*__errno()))) |
| 522 | shell, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 522 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Shell \"%s\" is not executable: %s" , shell, strerror((*__errno()))); |
| 523 | } |
| 524 | |
| 525 | debug("Executing command: '%.500s'", cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 525 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Executing command: '%.500s'" , cmd); |
| 526 | |
| 527 | /* Fork and execute the command. */ |
| 528 | if ((pid = fork()) == 0) { |
| 529 | char *argv[4]; |
| 530 | |
| 531 | if (stdfd_devnull(1, 1, 0) == -1) |
| 532 | fatal_f("stdfd_devnull failed")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 532 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "stdfd_devnull failed"); |
| 533 | closefrom(STDERR_FILENO2 + 1); |
| 534 | |
| 535 | argv[0] = shell; |
| 536 | argv[1] = "-c"; |
| 537 | argv[2] = xstrdup(cmd); |
| 538 | argv[3] = NULL((void *)0); |
| 539 | |
| 540 | execv(argv[0], argv); |
| 541 | error("Unable to execute '%.100s': %s", cmd, strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 541 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unable to execute '%.100s': %s" , cmd, strerror((*__errno()))); |
| 542 | /* Die with signal to make this error apparent to parent. */ |
| 543 | ssh_signal(SIGTERM15, SIG_DFL(void (*)(int))0); |
| 544 | kill(getpid(), SIGTERM15); |
| 545 | _exit(1); |
| 546 | } |
| 547 | /* Parent. */ |
| 548 | if (pid == -1) |
| 549 | fatal_f("fork: %.100s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 549 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %.100s", strerror ((*__errno()))); |
| 550 | |
| 551 | while (waitpid(pid, &status, 0) == -1) { |
| 552 | if (errno(*__errno()) != EINTR4 && errno(*__errno()) != EAGAIN35) |
| 553 | fatal_f("waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 553 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "waitpid: %s", strerror ((*__errno()))); |
| 554 | } |
| 555 | if (!WIFEXITED(status)(((status) & 0177) == 0)) { |
| 556 | error("command '%.100s' exited abnormally", cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 556 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "command '%.100s' exited abnormally" , cmd); |
| 557 | return -1; |
| 558 | } |
| 559 | debug3("command returned status %d", WEXITSTATUS(status))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 559 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "command returned status %d" , (int)(((unsigned)(status) >> 8) & 0xff)); |
| 560 | return WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff); |
| 561 | } |
| 562 | |
| 563 | /* |
| 564 | * Parse and execute a Match directive. |
| 565 | */ |
| 566 | static int |
| 567 | match_cfg_line(Options *options, char **condition, struct passwd *pw, |
| 568 | const char *host_arg, const char *original_host, int final_pass, |
| 569 | int *want_final_pass, const char *filename, int linenum) |
| 570 | { |
| 571 | char *arg, *oattrib, *attrib, *cmd, *cp = *condition, *host, *criteria; |
| 572 | const char *ruser; |
| 573 | int r, port, this_result, result = 1, attributes = 0, negate; |
| 574 | char thishost[NI_MAXHOST256], shorthost[NI_MAXHOST256], portstr[NI_MAXSERV32]; |
| 575 | char uidstr[32]; |
| 576 | |
| 577 | /* |
| 578 | * Configuration is likely to be incomplete at this point so we |
| 579 | * must be prepared to use default values. |
| 580 | */ |
| 581 | port = options->port <= 0 ? default_ssh_port() : options->port; |
| 582 | ruser = options->user == NULL((void *)0) ? pw->pw_name : options->user; |
| 583 | if (final_pass) { |
| 584 | host = xstrdup(options->hostname); |
| 585 | } else if (options->hostname != NULL((void *)0)) { |
| 586 | /* NB. Please keep in sync with ssh.c:main() */ |
| 587 | host = percent_expand(options->hostname, |
| 588 | "h", host_arg, (char *)NULL((void *)0)); |
| 589 | } else { |
| 590 | host = xstrdup(host_arg); |
| 591 | } |
| 592 | |
| 593 | debug2("checking match for '%s' host %s originally %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 594 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "checking match for '%s' host %s originally %s" , cp, host, original_host) |
| 594 | cp, host, original_host)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 594 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "checking match for '%s' host %s originally %s" , cp, host, original_host); |
| 595 | while ((oattrib = attrib = strdelim(&cp)) && *attrib != '\0') { |
| 596 | /* Terminate on comment */ |
| 597 | if (*attrib == '#') { |
| 598 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 599 | break; |
| 600 | } |
| 601 | arg = criteria = NULL((void *)0); |
| 602 | this_result = 1; |
| 603 | if ((negate = attrib[0] == '!')) |
| 604 | attrib++; |
| 605 | /* Criterion "all" has no argument and must appear alone */ |
| 606 | if (strcasecmp(attrib, "all") == 0) { |
| 607 | if (attributes > 1 || ((arg = strdelim(&cp)) != NULL((void *)0) && |
| 608 | *arg != '\0' && *arg != '#')) { |
| 609 | error("%.200s line %d: '%s' cannot be combined "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 611 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib) |
| 610 | "with other Match attributes",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 611 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib) |
| 611 | filename, linenum, oattrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 611 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: '%s' cannot be combined " "with other Match attributes", filename, linenum, oattrib); |
| 612 | result = -1; |
| 613 | goto out; |
| 614 | } |
| 615 | if (arg != NULL((void *)0) && *arg == '#') |
| 616 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 617 | if (result) |
| 618 | result = negate ? 0 : 1; |
| 619 | goto out; |
| 620 | } |
| 621 | attributes++; |
| 622 | /* criteria "final" and "canonical" have no argument */ |
| 623 | if (strcasecmp(attrib, "canonical") == 0 || |
| 624 | strcasecmp(attrib, "final") == 0) { |
| 625 | /* |
| 626 | * If the config requests "Match final" then remember |
| 627 | * this so we can perform a second pass later. |
| 628 | */ |
| 629 | if (strcasecmp(attrib, "final") == 0 && |
| 630 | want_final_pass != NULL((void *)0)) |
| 631 | *want_final_pass = 1; |
| 632 | r = !!final_pass; /* force bitmask member to boolean */ |
| 633 | if (r == (negate ? 1 : 0)) |
| 634 | this_result = result = 0; |
| 635 | debug3("%.200s line %d: %smatched '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 637 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib) |
| 636 | filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 637 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib) |
| 637 | this_result ? "" : "not ", oattrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 637 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s'" , filename, linenum, this_result ? "" : "not ", oattrib); |
| 638 | continue; |
| 639 | } |
| 640 | /* All other criteria require an argument */ |
| 641 | if ((arg = strdelim(&cp)) == NULL((void *)0) || |
| 642 | *arg == '\0' || *arg == '#') { |
| 643 | error("Missing Match criteria for %s", attrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 643 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Missing Match criteria for %s" , attrib); |
| 644 | result = -1; |
| 645 | goto out; |
| 646 | } |
| 647 | if (strcasecmp(attrib, "host") == 0) { |
| 648 | criteria = xstrdup(host); |
| 649 | r = match_hostname(host, arg) == 1; |
| 650 | if (r == (negate ? 1 : 0)) |
| 651 | this_result = result = 0; |
| 652 | } else if (strcasecmp(attrib, "originalhost") == 0) { |
| 653 | criteria = xstrdup(original_host); |
| 654 | r = match_hostname(original_host, arg) == 1; |
| 655 | if (r == (negate ? 1 : 0)) |
| 656 | this_result = result = 0; |
| 657 | } else if (strcasecmp(attrib, "user") == 0) { |
| 658 | criteria = xstrdup(ruser); |
| 659 | r = match_pattern_list(ruser, arg, 0) == 1; |
| 660 | if (r == (negate ? 1 : 0)) |
| 661 | this_result = result = 0; |
| 662 | } else if (strcasecmp(attrib, "localuser") == 0) { |
| 663 | criteria = xstrdup(pw->pw_name); |
| 664 | r = match_pattern_list(pw->pw_name, arg, 0) == 1; |
| 665 | if (r == (negate ? 1 : 0)) |
| 666 | this_result = result = 0; |
| 667 | } else if (strcasecmp(attrib, "exec") == 0) { |
| 668 | char *conn_hash_hex, *keyalias; |
| 669 | |
| 670 | if (gethostname(thishost, sizeof(thishost)) == -1) |
| 671 | fatal("gethostname: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 671 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "gethostname: %s", strerror ((*__errno()))); |
| 672 | strlcpy(shorthost, thishost, sizeof(shorthost)); |
| 673 | shorthost[strcspn(thishost, ".")] = '\0'; |
| 674 | snprintf(portstr, sizeof(portstr), "%d", port); |
| 675 | snprintf(uidstr, sizeof(uidstr), "%llu", |
| 676 | (unsigned long long)pw->pw_uid); |
| 677 | conn_hash_hex = ssh_connection_hash(thishost, host, |
| 678 | portstr, ruser); |
| 679 | keyalias = options->host_key_alias ? |
| 680 | options->host_key_alias : host; |
| 681 | |
| 682 | cmd = percent_expand(arg, |
| 683 | "C", conn_hash_hex, |
| 684 | "L", shorthost, |
| 685 | "d", pw->pw_dir, |
| 686 | "h", host, |
| 687 | "k", keyalias, |
| 688 | "l", thishost, |
| 689 | "n", original_host, |
| 690 | "p", portstr, |
| 691 | "r", ruser, |
| 692 | "u", pw->pw_name, |
| 693 | "i", uidstr, |
| 694 | (char *)NULL((void *)0)); |
| 695 | free(conn_hash_hex); |
| 696 | if (result != 1) { |
| 697 | /* skip execution if prior predicate failed */ |
| 698 | debug3("%.200s line %d: skipped exec "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 699 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: skipped exec " "\"%.100s\"", filename, linenum, cmd) |
| 699 | "\"%.100s\"", filename, linenum, cmd)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 699 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: skipped exec " "\"%.100s\"", filename, linenum, cmd); |
| 700 | free(cmd); |
| 701 | continue; |
| 702 | } |
| 703 | r = execute_in_shell(cmd); |
| 704 | if (r == -1) { |
| 705 | fatal("%.200s line %d: match exec "sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 707 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd) |
| 706 | "'%.100s' error", filename,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 707 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd) |
| 707 | linenum, cmd)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 707 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: match exec " "'%.100s' error", filename, linenum, cmd); |
| 708 | } |
| 709 | criteria = xstrdup(cmd); |
| 710 | free(cmd); |
| 711 | /* Force exit status to boolean */ |
| 712 | r = r == 0; |
| 713 | if (r == (negate ? 1 : 0)) |
| 714 | this_result = result = 0; |
| 715 | } else { |
| 716 | error("Unsupported Match attribute %s", attrib)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 716 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unsupported Match attribute %s" , attrib); |
| 717 | result = -1; |
| 718 | goto out; |
| 719 | } |
| 720 | debug3("%.200s line %d: %smatched '%s \"%.100s\"' ",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 722 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s \"%.100s\"' " , filename, linenum, this_result ? "": "not ", oattrib, criteria ) |
| 721 | filename, linenum, this_result ? "": "not ",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 722 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s \"%.100s\"' " , filename, linenum, this_result ? "": "not ", oattrib, criteria ) |
| 722 | oattrib, criteria)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 722 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%.200s line %d: %smatched '%s \"%.100s\"' " , filename, linenum, this_result ? "": "not ", oattrib, criteria ); |
| 723 | free(criteria); |
| 724 | } |
| 725 | if (attributes == 0) { |
| 726 | error("One or more attributes required for Match")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 726 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "One or more attributes required for Match" ); |
| 727 | result = -1; |
| 728 | goto out; |
| 729 | } |
| 730 | out: |
| 731 | if (result != -1) |
| 732 | debug2("match %sfound", result ? "" : "not ")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 732 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "match %sfound", result ? "" : "not "); |
| 733 | *condition = cp; |
| 734 | free(host); |
| 735 | return result; |
| 736 | } |
| 737 | |
| 738 | /* Remove environment variable by pattern */ |
| 739 | static void |
| 740 | rm_env(Options *options, const char *arg, const char *filename, int linenum) |
| 741 | { |
| 742 | int i, j, onum_send_env = options->num_send_env; |
| 743 | char *cp; |
| 744 | |
| 745 | /* Remove an environment variable */ |
| 746 | for (i = 0; i < options->num_send_env; ) { |
| 747 | cp = xstrdup(options->send_env[i]); |
| 748 | if (!match_pattern(cp, arg + 1)) { |
| 749 | free(cp); |
| 750 | i++; |
| 751 | continue; |
| 752 | } |
| 753 | debug3("%s line %d: removing environment %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 754 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%s line %d: removing environment %s" , filename, linenum, cp) |
| 754 | filename, linenum, cp)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 754 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%s line %d: removing environment %s" , filename, linenum, cp); |
| 755 | free(cp); |
| 756 | free(options->send_env[i]); |
| 757 | options->send_env[i] = NULL((void *)0); |
| 758 | for (j = i; j < options->num_send_env - 1; j++) { |
| 759 | options->send_env[j] = options->send_env[j + 1]; |
| 760 | options->send_env[j + 1] = NULL((void *)0); |
| 761 | } |
| 762 | options->num_send_env--; |
| 763 | /* NB. don't increment i */ |
| 764 | } |
| 765 | if (onum_send_env != options->num_send_env) { |
| 766 | options->send_env = xrecallocarray(options->send_env, |
| 767 | onum_send_env, options->num_send_env, |
| 768 | sizeof(*options->send_env)); |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | /* |
| 773 | * Returns the number of the token pointed to by cp or oBadOption. |
| 774 | */ |
| 775 | static OpCodes |
| 776 | parse_token(const char *cp, const char *filename, int linenum, |
| 777 | const char *ignored_unknown) |
| 778 | { |
| 779 | int i; |
| 780 | |
| 781 | for (i = 0; keywords[i].name; i++) |
| 782 | if (strcmp(cp, keywords[i].name) == 0) |
| 783 | return keywords[i].opcode; |
| 784 | if (ignored_unknown != NULL((void *)0) && |
| 785 | match_pattern_list(cp, ignored_unknown, 1) == 1) |
| 786 | return oIgnoredUnknownOption; |
| 787 | error("%s: line %d: Bad configuration option: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 788 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp) |
| 788 | filename, linenum, cp)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 788 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp); |
| 789 | return oBadOption; |
| 790 | } |
| 791 | |
| 792 | /* Multistate option parsing */ |
| 793 | struct multistate { |
| 794 | char *key; |
| 795 | int value; |
| 796 | }; |
| 797 | static const struct multistate multistate_flag[] = { |
| 798 | { "true", 1 }, |
| 799 | { "false", 0 }, |
| 800 | { "yes", 1 }, |
| 801 | { "no", 0 }, |
| 802 | { NULL((void *)0), -1 } |
| 803 | }; |
| 804 | static const struct multistate multistate_yesnoask[] = { |
| 805 | { "true", 1 }, |
| 806 | { "false", 0 }, |
| 807 | { "yes", 1 }, |
| 808 | { "no", 0 }, |
| 809 | { "ask", 2 }, |
| 810 | { NULL((void *)0), -1 } |
| 811 | }; |
| 812 | static const struct multistate multistate_strict_hostkey[] = { |
| 813 | { "true", SSH_STRICT_HOSTKEY_YES2 }, |
| 814 | { "false", SSH_STRICT_HOSTKEY_OFF0 }, |
| 815 | { "yes", SSH_STRICT_HOSTKEY_YES2 }, |
| 816 | { "no", SSH_STRICT_HOSTKEY_OFF0 }, |
| 817 | { "ask", SSH_STRICT_HOSTKEY_ASK3 }, |
| 818 | { "off", SSH_STRICT_HOSTKEY_OFF0 }, |
| 819 | { "accept-new", SSH_STRICT_HOSTKEY_NEW1 }, |
| 820 | { NULL((void *)0), -1 } |
| 821 | }; |
| 822 | static const struct multistate multistate_yesnoaskconfirm[] = { |
| 823 | { "true", 1 }, |
| 824 | { "false", 0 }, |
| 825 | { "yes", 1 }, |
| 826 | { "no", 0 }, |
| 827 | { "ask", 2 }, |
| 828 | { "confirm", 3 }, |
| 829 | { NULL((void *)0), -1 } |
| 830 | }; |
| 831 | static const struct multistate multistate_addressfamily[] = { |
| 832 | { "inet", AF_INET2 }, |
| 833 | { "inet6", AF_INET624 }, |
| 834 | { "any", AF_UNSPEC0 }, |
| 835 | { NULL((void *)0), -1 } |
| 836 | }; |
| 837 | static const struct multistate multistate_controlmaster[] = { |
| 838 | { "true", SSHCTL_MASTER_YES1 }, |
| 839 | { "yes", SSHCTL_MASTER_YES1 }, |
| 840 | { "false", SSHCTL_MASTER_NO0 }, |
| 841 | { "no", SSHCTL_MASTER_NO0 }, |
| 842 | { "auto", SSHCTL_MASTER_AUTO2 }, |
| 843 | { "ask", SSHCTL_MASTER_ASK3 }, |
| 844 | { "autoask", SSHCTL_MASTER_AUTO_ASK4 }, |
| 845 | { NULL((void *)0), -1 } |
| 846 | }; |
| 847 | static const struct multistate multistate_tunnel[] = { |
| 848 | { "ethernet", SSH_TUNMODE_ETHERNET0x02 }, |
| 849 | { "point-to-point", SSH_TUNMODE_POINTOPOINT0x01 }, |
| 850 | { "true", SSH_TUNMODE_DEFAULT0x01 }, |
| 851 | { "yes", SSH_TUNMODE_DEFAULT0x01 }, |
| 852 | { "false", SSH_TUNMODE_NO0x00 }, |
| 853 | { "no", SSH_TUNMODE_NO0x00 }, |
| 854 | { NULL((void *)0), -1 } |
| 855 | }; |
| 856 | static const struct multistate multistate_requesttty[] = { |
| 857 | { "true", REQUEST_TTY_YES2 }, |
| 858 | { "yes", REQUEST_TTY_YES2 }, |
| 859 | { "false", REQUEST_TTY_NO1 }, |
| 860 | { "no", REQUEST_TTY_NO1 }, |
| 861 | { "force", REQUEST_TTY_FORCE3 }, |
| 862 | { "auto", REQUEST_TTY_AUTO0 }, |
| 863 | { NULL((void *)0), -1 } |
| 864 | }; |
| 865 | static const struct multistate multistate_sessiontype[] = { |
| 866 | { "none", SESSION_TYPE_NONE0 }, |
| 867 | { "subsystem", SESSION_TYPE_SUBSYSTEM1 }, |
| 868 | { "default", SESSION_TYPE_DEFAULT2 }, |
| 869 | { NULL((void *)0), -1 } |
| 870 | }; |
| 871 | static const struct multistate multistate_canonicalizehostname[] = { |
| 872 | { "true", SSH_CANONICALISE_YES1 }, |
| 873 | { "false", SSH_CANONICALISE_NO0 }, |
| 874 | { "yes", SSH_CANONICALISE_YES1 }, |
| 875 | { "no", SSH_CANONICALISE_NO0 }, |
| 876 | { "always", SSH_CANONICALISE_ALWAYS2 }, |
| 877 | { NULL((void *)0), -1 } |
| 878 | }; |
| 879 | static const struct multistate multistate_pubkey_auth[] = { |
| 880 | { "true", SSH_PUBKEY_AUTH_ALL0x03 }, |
| 881 | { "false", SSH_PUBKEY_AUTH_NO0x00 }, |
| 882 | { "yes", SSH_PUBKEY_AUTH_ALL0x03 }, |
| 883 | { "no", SSH_PUBKEY_AUTH_NO0x00 }, |
| 884 | { "unbound", SSH_PUBKEY_AUTH_UNBOUND0x01 }, |
| 885 | { "host-bound", SSH_PUBKEY_AUTH_HBOUND0x02 }, |
| 886 | { NULL((void *)0), -1 } |
| 887 | }; |
| 888 | static const struct multistate multistate_compression[] = { |
| 889 | #ifdef WITH_ZLIB1 |
| 890 | { "yes", COMP_ZLIB1 }, |
| 891 | #endif |
| 892 | { "no", COMP_NONE0 }, |
| 893 | { NULL((void *)0), -1 } |
| 894 | }; |
| 895 | |
| 896 | static int |
| 897 | parse_multistate_value(const char *arg, const char *filename, int linenum, |
| 898 | const struct multistate *multistate_ptr) |
| 899 | { |
| 900 | int i; |
| 901 | |
| 902 | if (!arg || *arg == '\0') { |
| 903 | error("%s line %d: missing argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 903 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum); |
| 904 | return -1; |
| 905 | } |
| 906 | for (i = 0; multistate_ptr[i].key != NULL((void *)0); i++) { |
| 907 | if (strcasecmp(arg, multistate_ptr[i].key) == 0) |
| 908 | return multistate_ptr[i].value; |
| 909 | } |
| 910 | return -1; |
| 911 | } |
| 912 | |
| 913 | /* |
| 914 | * Processes a single option line as used in the configuration files. This |
| 915 | * only sets those values that have not already been set. |
| 916 | */ |
| 917 | int |
| 918 | process_config_line(Options *options, struct passwd *pw, const char *host, |
| 919 | const char *original_host, char *line, const char *filename, |
| 920 | int linenum, int *activep, int flags) |
| 921 | { |
| 922 | return process_config_line_depth(options, pw, host, original_host, |
| 923 | line, filename, linenum, activep, flags, NULL((void *)0), 0); |
| 924 | } |
| 925 | |
| 926 | #define WHITESPACE" \t\r\n" " \t\r\n" |
| 927 | static int |
| 928 | process_config_line_depth(Options *options, struct passwd *pw, const char *host, |
| 929 | const char *original_host, char *line, const char *filename, |
| 930 | int linenum, int *activep, int flags, int *want_final_pass, int depth) |
| 931 | { |
| 932 | char *str, **charptr, *endofnumber, *keyword, *arg, *arg2, *p, ch; |
| 933 | char **cpptr, ***cppptr, fwdarg[256]; |
| 934 | u_int i, *uintptr, uvalue, max_entries = 0; |
| 935 | int r, oactive, negated, opcode, *intptr, value, value2, cmdline = 0; |
| 936 | int remotefwd, dynamicfwd; |
| 937 | LogLevel *log_level_ptr; |
| 938 | SyslogFacility *log_facility_ptr; |
| 939 | long long val64; |
| 940 | size_t len; |
| 941 | struct Forward fwd; |
| 942 | const struct multistate *multistate_ptr; |
| 943 | struct allowed_cname *cname; |
| 944 | glob_t gl; |
| 945 | const char *errstr; |
| 946 | char **oav = NULL((void *)0), **av; |
| 947 | int oac = 0, ac; |
| 948 | int ret = -1; |
| 949 | |
| 950 | if (activep == NULL((void *)0)) { /* We are processing a command line directive */ |
| 951 | cmdline = 1; |
| 952 | activep = &cmdline; |
| 953 | } |
| 954 | |
| 955 | /* Strip trailing whitespace. Allow \f (form feed) at EOL only */ |
| 956 | if ((len = strlen(line)) == 0) |
| 957 | return 0; |
| 958 | for (len--; len > 0; len--) { |
| 959 | if (strchr(WHITESPACE" \t\r\n" "\f", line[len]) == NULL((void *)0)) |
| 960 | break; |
| 961 | line[len] = '\0'; |
| 962 | } |
| 963 | |
| 964 | str = line; |
| 965 | /* Get the keyword. (Each line is supposed to begin with a keyword). */ |
| 966 | if ((keyword = strdelim(&str)) == NULL((void *)0)) |
| 967 | return 0; |
| 968 | /* Ignore leading whitespace. */ |
| 969 | if (*keyword == '\0') |
| 970 | keyword = strdelim(&str); |
| 971 | if (keyword == NULL((void *)0) || !*keyword || *keyword == '\n' || *keyword == '#') |
| 972 | return 0; |
| 973 | /* Match lowercase keyword */ |
| 974 | lowercase(keyword); |
| 975 | |
| 976 | /* Prepare to parse remainder of line */ |
| 977 | if (str != NULL((void *)0)) |
| 978 | str += strspn(str, WHITESPACE" \t\r\n"); |
| 979 | if (str == NULL((void *)0) || *str == '\0') { |
| 980 | error("%s line %d: no argument after keyword \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 981 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword) |
| 981 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 981 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword); |
| 982 | return -1; |
| 983 | } |
| 984 | opcode = parse_token(keyword, filename, linenum, |
| 985 | options->ignored_unknown); |
| 986 | if (argv_split(str, &oac, &oav, 1) != 0) { |
| 987 | error("%s line %d: invalid quotes", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 987 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid quotes" , filename, linenum); |
| 988 | return -1; |
| 989 | } |
| 990 | ac = oac; |
| 991 | av = oav; |
| 992 | |
| 993 | switch (opcode) { |
| 994 | case oBadOption: |
| 995 | /* don't panic, but count bad options */ |
| 996 | goto out; |
| 997 | case oIgnore: |
| 998 | argv_consume(&ac); |
| 999 | break; |
| 1000 | case oIgnoredUnknownOption: |
| 1001 | debug("%s line %d: Ignored unknown option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1002 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Ignored unknown option \"%s\"" , filename, linenum, keyword) |
| 1002 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1002 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Ignored unknown option \"%s\"" , filename, linenum, keyword); |
| 1003 | argv_consume(&ac); |
| 1004 | break; |
| 1005 | case oConnectTimeout: |
| 1006 | intptr = &options->connection_timeout; |
| 1007 | parse_time: |
| 1008 | arg = argv_next(&ac, &av); |
| 1009 | if (!arg || *arg == '\0') { |
| 1010 | error("%s line %d: missing time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1011 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing time value." , filename, linenum) |
| 1011 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1011 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing time value." , filename, linenum); |
| 1012 | goto out; |
| 1013 | } |
| 1014 | if (strcmp(arg, "none") == 0) |
| 1015 | value = -1; |
| 1016 | else if ((value = convtime(arg)) == -1) { |
| 1017 | error("%s line %d: invalid time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1018 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum) |
| 1018 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1018 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum); |
| 1019 | goto out; |
| 1020 | } |
| 1021 | if (*activep && *intptr == -1) |
| 1022 | *intptr = value; |
| 1023 | break; |
| 1024 | |
| 1025 | case oForwardAgent: |
| 1026 | intptr = &options->forward_agent; |
| 1027 | |
| 1028 | arg = argv_next(&ac, &av); |
| 1029 | if (!arg || *arg == '\0') { |
| 1030 | error("%s line %d: missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1031 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum) |
| 1031 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1031 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: missing argument." , filename, linenum); |
| 1032 | goto out; |
| 1033 | } |
| 1034 | |
| 1035 | value = -1; |
| 1036 | multistate_ptr = multistate_flag; |
| 1037 | for (i = 0; multistate_ptr[i].key != NULL((void *)0); i++) { |
| 1038 | if (strcasecmp(arg, multistate_ptr[i].key) == 0) { |
| 1039 | value = multistate_ptr[i].value; |
| 1040 | break; |
| 1041 | } |
| 1042 | } |
| 1043 | if (value != -1) { |
| 1044 | if (*activep && *intptr == -1) |
| 1045 | *intptr = value; |
| 1046 | break; |
| 1047 | } |
| 1048 | /* ForwardAgent wasn't 'yes' or 'no', assume a path */ |
| 1049 | if (*activep && *intptr == -1) |
| 1050 | *intptr = 1; |
| 1051 | |
| 1052 | charptr = &options->forward_agent_sock_path; |
| 1053 | goto parse_agent_path; |
| 1054 | |
| 1055 | case oForwardX11: |
| 1056 | intptr = &options->forward_x11; |
| 1057 | parse_flag: |
| 1058 | multistate_ptr = multistate_flag; |
| 1059 | parse_multistate: |
| 1060 | arg = argv_next(&ac, &av); |
| 1061 | if ((value = parse_multistate_value(arg, filename, linenum, |
| 1062 | multistate_ptr)) == -1) { |
| 1063 | error("%s line %d: unsupported option \"%s\".",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1064 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg) |
| 1064 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1064 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg); |
| 1065 | goto out; |
| 1066 | } |
| 1067 | if (*activep && *intptr == -1) |
| 1068 | *intptr = value; |
| 1069 | break; |
| 1070 | |
| 1071 | case oForwardX11Trusted: |
| 1072 | intptr = &options->forward_x11_trusted; |
| 1073 | goto parse_flag; |
| 1074 | |
| 1075 | case oForwardX11Timeout: |
| 1076 | intptr = &options->forward_x11_timeout; |
| 1077 | goto parse_time; |
| 1078 | |
| 1079 | case oGatewayPorts: |
| 1080 | intptr = &options->fwd_opts.gateway_ports; |
| 1081 | goto parse_flag; |
| 1082 | |
| 1083 | case oExitOnForwardFailure: |
| 1084 | intptr = &options->exit_on_forward_failure; |
| 1085 | goto parse_flag; |
| 1086 | |
| 1087 | case oPasswordAuthentication: |
| 1088 | intptr = &options->password_authentication; |
| 1089 | goto parse_flag; |
| 1090 | |
| 1091 | case oKbdInteractiveAuthentication: |
| 1092 | intptr = &options->kbd_interactive_authentication; |
| 1093 | goto parse_flag; |
| 1094 | |
| 1095 | case oKbdInteractiveDevices: |
| 1096 | charptr = &options->kbd_interactive_devices; |
| 1097 | goto parse_string; |
| 1098 | |
| 1099 | case oPubkeyAuthentication: |
| 1100 | multistate_ptr = multistate_pubkey_auth; |
| 1101 | intptr = &options->pubkey_authentication; |
| 1102 | goto parse_multistate; |
| 1103 | |
| 1104 | case oHostbasedAuthentication: |
| 1105 | intptr = &options->hostbased_authentication; |
| 1106 | goto parse_flag; |
| 1107 | |
| 1108 | case oGssAuthentication: |
| 1109 | intptr = &options->gss_authentication; |
| 1110 | goto parse_flag; |
| 1111 | |
| 1112 | case oGssDelegateCreds: |
| 1113 | intptr = &options->gss_deleg_creds; |
| 1114 | goto parse_flag; |
| 1115 | |
| 1116 | case oBatchMode: |
| 1117 | intptr = &options->batch_mode; |
| 1118 | goto parse_flag; |
| 1119 | |
| 1120 | case oCheckHostIP: |
| 1121 | intptr = &options->check_host_ip; |
| 1122 | goto parse_flag; |
| 1123 | |
| 1124 | case oVerifyHostKeyDNS: |
| 1125 | intptr = &options->verify_host_key_dns; |
| 1126 | multistate_ptr = multistate_yesnoask; |
| 1127 | goto parse_multistate; |
| 1128 | |
| 1129 | case oStrictHostKeyChecking: |
| 1130 | intptr = &options->strict_host_key_checking; |
| 1131 | multistate_ptr = multistate_strict_hostkey; |
| 1132 | goto parse_multistate; |
| 1133 | |
| 1134 | case oCompression: |
| 1135 | intptr = &options->compression; |
| 1136 | multistate_ptr = multistate_compression; |
| 1137 | goto parse_multistate; |
| 1138 | |
| 1139 | case oTCPKeepAlive: |
| 1140 | intptr = &options->tcp_keep_alive; |
| 1141 | goto parse_flag; |
| 1142 | |
| 1143 | case oNoHostAuthenticationForLocalhost: |
| 1144 | intptr = &options->no_host_authentication_for_localhost; |
| 1145 | goto parse_flag; |
| 1146 | |
| 1147 | case oNumberOfPasswordPrompts: |
| 1148 | intptr = &options->number_of_password_prompts; |
| 1149 | goto parse_int; |
| 1150 | |
| 1151 | case oRekeyLimit: |
| 1152 | arg = argv_next(&ac, &av); |
| 1153 | if (!arg || *arg == '\0') { |
| 1154 | error("%.200s line %d: Missing argument.", filename,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1155 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1155 | linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1155 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1156 | goto out; |
| 1157 | } |
| 1158 | if (strcmp(arg, "default") == 0) { |
| 1159 | val64 = 0; |
| 1160 | } else { |
| 1161 | if (scan_scaled(arg, &val64) == -1) { |
| 1162 | error("%.200s line %d: Bad number '%s': %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1163 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad number '%s': %s" , filename, linenum, arg, strerror((*__errno()))) |
| 1163 | filename, linenum, arg, strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1163 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad number '%s': %s" , filename, linenum, arg, strerror((*__errno()))); |
| 1164 | goto out; |
| 1165 | } |
| 1166 | if (val64 != 0 && val64 < 16) { |
| 1167 | error("%.200s line %d: RekeyLimit too small",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1168 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: RekeyLimit too small" , filename, linenum) |
| 1168 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1168 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: RekeyLimit too small" , filename, linenum); |
| 1169 | goto out; |
| 1170 | } |
| 1171 | } |
| 1172 | if (*activep && options->rekey_limit == -1) |
| 1173 | options->rekey_limit = val64; |
| 1174 | if (ac != 0) { /* optional rekey interval present */ |
| 1175 | if (strcmp(av[0], "none") == 0) { |
| 1176 | (void)argv_next(&ac, &av); /* discard */ |
| 1177 | break; |
| 1178 | } |
| 1179 | intptr = &options->rekey_interval; |
| 1180 | goto parse_time; |
| 1181 | } |
| 1182 | break; |
| 1183 | |
| 1184 | case oIdentityFile: |
| 1185 | arg = argv_next(&ac, &av); |
| 1186 | if (!arg || *arg == '\0') { |
| 1187 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1188 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1188 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1188 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1189 | goto out; |
| 1190 | } |
| 1191 | if (*activep) { |
| 1192 | intptr = &options->num_identity_files; |
| 1193 | if (*intptr >= SSH_MAX_IDENTITY_FILES100) { |
| 1194 | error("%.200s line %d: Too many identity files "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1196 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100) |
| 1195 | "specified (max %d).", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1196 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100) |
| 1196 | SSH_MAX_IDENTITY_FILES)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1196 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many identity files " "specified (max %d).", filename, linenum, 100); |
| 1197 | goto out; |
| 1198 | } |
| 1199 | add_identity_file(options, NULL((void *)0), |
| 1200 | arg, flags & SSHCONF_USERCONF2); |
| 1201 | } |
| 1202 | break; |
| 1203 | |
| 1204 | case oCertificateFile: |
| 1205 | arg = argv_next(&ac, &av); |
| 1206 | if (!arg || *arg == '\0') { |
| 1207 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1208 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1208 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1208 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1209 | goto out; |
| 1210 | } |
| 1211 | if (*activep) { |
| 1212 | intptr = &options->num_certificate_files; |
| 1213 | if (*intptr >= SSH_MAX_CERTIFICATE_FILES100) { |
| 1214 | error("%.200s line %d: Too many certificate "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1217 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1215 | "files specified (max %d).",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1217 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1216 | filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1217 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100) |
| 1217 | SSH_MAX_CERTIFICATE_FILES)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1217 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Too many certificate " "files specified (max %d).", filename, linenum, 100); |
| 1218 | goto out; |
| 1219 | } |
| 1220 | add_certificate_file(options, arg, |
| 1221 | flags & SSHCONF_USERCONF2); |
| 1222 | } |
| 1223 | break; |
| 1224 | |
| 1225 | case oXAuthLocation: |
| 1226 | charptr=&options->xauth_location; |
| 1227 | goto parse_string; |
| 1228 | |
| 1229 | case oUser: |
| 1230 | charptr = &options->user; |
| 1231 | parse_string: |
| 1232 | arg = argv_next(&ac, &av); |
| 1233 | if (!arg || *arg == '\0') { |
| 1234 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1235 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1235 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1235 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1236 | goto out; |
| 1237 | } |
| 1238 | if (*activep && *charptr == NULL((void *)0)) |
| 1239 | *charptr = xstrdup(arg); |
| 1240 | break; |
| 1241 | |
| 1242 | case oGlobalKnownHostsFile: |
| 1243 | cpptr = (char **)&options->system_hostfiles; |
| 1244 | uintptr = &options->num_system_hostfiles; |
| 1245 | max_entries = SSH_MAX_HOSTS_FILES32; |
| 1246 | parse_char_array: |
| 1247 | i = 0; |
| 1248 | value = *uintptr == 0; /* was array empty when we started? */ |
| 1249 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1250 | if (*arg == '\0') { |
| 1251 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1252 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1252 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1252 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1253 | goto out; |
| 1254 | } |
| 1255 | /* Allow "none" only in first position */ |
| 1256 | if (strcasecmp(arg, "none") == 0) { |
| 1257 | if (i > 0 || ac > 0) { |
| 1258 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1260 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1259 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1260 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1260 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1260 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1261 | goto out; |
| 1262 | } |
| 1263 | } |
| 1264 | i++; |
| 1265 | if (*activep && value) { |
| 1266 | if ((*uintptr) >= max_entries) { |
| 1267 | error("%s line %d: too many %s "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1269 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword) |
| 1268 | "entries.", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1269 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword) |
| 1269 | keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1269 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many %s " "entries.", filename, linenum, keyword); |
| 1270 | goto out; |
| 1271 | } |
| 1272 | cpptr[(*uintptr)++] = xstrdup(arg); |
| 1273 | } |
| 1274 | } |
| 1275 | break; |
| 1276 | |
| 1277 | case oUserKnownHostsFile: |
| 1278 | cpptr = (char **)&options->user_hostfiles; |
| 1279 | uintptr = &options->num_user_hostfiles; |
| 1280 | max_entries = SSH_MAX_HOSTS_FILES32; |
| 1281 | goto parse_char_array; |
| 1282 | |
| 1283 | case oHostname: |
| 1284 | charptr = &options->hostname; |
| 1285 | goto parse_string; |
| 1286 | |
| 1287 | case oHostKeyAlias: |
| 1288 | charptr = &options->host_key_alias; |
| 1289 | goto parse_string; |
| 1290 | |
| 1291 | case oPreferredAuthentications: |
| 1292 | charptr = &options->preferred_authentications; |
| 1293 | goto parse_string; |
| 1294 | |
| 1295 | case oBindAddress: |
| 1296 | charptr = &options->bind_address; |
| 1297 | goto parse_string; |
| 1298 | |
| 1299 | case oBindInterface: |
| 1300 | charptr = &options->bind_interface; |
| 1301 | goto parse_string; |
| 1302 | |
| 1303 | case oPKCS11Provider: |
| 1304 | charptr = &options->pkcs11_provider; |
| 1305 | goto parse_string; |
| 1306 | |
| 1307 | case oSecurityKeyProvider: |
| 1308 | charptr = &options->sk_provider; |
| 1309 | goto parse_string; |
| 1310 | |
| 1311 | case oKnownHostsCommand: |
| 1312 | charptr = &options->known_hosts_command; |
| 1313 | goto parse_command; |
| 1314 | |
| 1315 | case oProxyCommand: |
| 1316 | charptr = &options->proxy_command; |
| 1317 | /* Ignore ProxyCommand if ProxyJump already specified */ |
| 1318 | if (options->jump_host != NULL((void *)0)) |
| 1319 | charptr = &options->jump_host; /* Skip below */ |
| 1320 | parse_command: |
| 1321 | if (str == NULL((void *)0)) { |
| 1322 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1323 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1323 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1323 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1324 | goto out; |
| 1325 | } |
| 1326 | len = strspn(str, WHITESPACE" \t\r\n" "="); |
| 1327 | if (*activep && *charptr == NULL((void *)0)) |
| 1328 | *charptr = xstrdup(str + len); |
| 1329 | argv_consume(&ac); |
| 1330 | break; |
| 1331 | |
| 1332 | case oProxyJump: |
| 1333 | if (str == NULL((void *)0)) { |
| 1334 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1335 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1335 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1335 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1336 | goto out; |
| 1337 | } |
| 1338 | len = strspn(str, WHITESPACE" \t\r\n" "="); |
| 1339 | /* XXX use argv? */ |
| 1340 | if (parse_jump(str + len, options, *activep) == -1) { |
| 1341 | error("%.200s line %d: Invalid ProxyJump \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1342 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid ProxyJump \"%s\"" , filename, linenum, str + len) |
| 1342 | filename, linenum, str + len)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1342 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid ProxyJump \"%s\"" , filename, linenum, str + len); |
| 1343 | goto out; |
| 1344 | } |
| 1345 | argv_consume(&ac); |
| 1346 | break; |
| 1347 | |
| 1348 | case oPort: |
| 1349 | arg = argv_next(&ac, &av); |
| 1350 | if (!arg || *arg == '\0') { |
| 1351 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1352 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1352 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1352 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1353 | goto out; |
| 1354 | } |
| 1355 | value = a2port(arg); |
| 1356 | if (value <= 0) { |
| 1357 | error("%.200s line %d: Bad port '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1358 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad port '%s'." , filename, linenum, arg) |
| 1358 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1358 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad port '%s'." , filename, linenum, arg); |
| 1359 | goto out; |
| 1360 | } |
| 1361 | if (*activep && options->port == -1) |
| 1362 | options->port = value; |
| 1363 | break; |
| 1364 | |
| 1365 | case oConnectionAttempts: |
| 1366 | intptr = &options->connection_attempts; |
| 1367 | parse_int: |
| 1368 | arg = argv_next(&ac, &av); |
| 1369 | if ((errstr = atoi_err(arg, &value)) != NULL((void *)0)) { |
| 1370 | error("%s line %d: integer value %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1371 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr) |
| 1371 | filename, linenum, errstr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1371 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: integer value %s." , filename, linenum, errstr); |
| 1372 | goto out; |
| 1373 | } |
| 1374 | if (*activep && *intptr == -1) |
| 1375 | *intptr = value; |
| 1376 | break; |
| 1377 | |
| 1378 | case oCiphers: |
| 1379 | arg = argv_next(&ac, &av); |
| 1380 | if (!arg || *arg == '\0') { |
| 1381 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1382 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1382 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1382 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1383 | goto out; |
| 1384 | } |
| 1385 | if (*arg != '-' && |
| 1386 | !ciphers_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)){ |
| 1387 | error("%.200s line %d: Bad SSH2 cipher spec '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1388 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1388 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1388 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1389 | goto out; |
| 1390 | } |
| 1391 | if (*activep && options->ciphers == NULL((void *)0)) |
| 1392 | options->ciphers = xstrdup(arg); |
| 1393 | break; |
| 1394 | |
| 1395 | case oMacs: |
| 1396 | arg = argv_next(&ac, &av); |
| 1397 | if (!arg || *arg == '\0') { |
| 1398 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1399 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1399 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1399 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1400 | goto out; |
| 1401 | } |
| 1402 | if (*arg != '-' && |
| 1403 | !mac_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)) { |
| 1404 | error("%.200s line %d: Bad SSH2 MAC spec '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1405 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 MAC spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1405 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1405 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 MAC spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1406 | goto out; |
| 1407 | } |
| 1408 | if (*activep && options->macs == NULL((void *)0)) |
| 1409 | options->macs = xstrdup(arg); |
| 1410 | break; |
| 1411 | |
| 1412 | case oKexAlgorithms: |
| 1413 | arg = argv_next(&ac, &av); |
| 1414 | if (!arg || *arg == '\0') { |
| 1415 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1416 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1416 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1416 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1417 | goto out; |
| 1418 | } |
| 1419 | if (*arg != '-' && |
| 1420 | !kex_names_valid(*arg == '+' || *arg == '^' ? |
| 1421 | arg + 1 : arg)) { |
| 1422 | error("%.200s line %d: Bad SSH2 KexAlgorithms '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1423 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1423 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1423 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1424 | goto out; |
| 1425 | } |
| 1426 | if (*activep && options->kex_algorithms == NULL((void *)0)) |
| 1427 | options->kex_algorithms = xstrdup(arg); |
| 1428 | break; |
| 1429 | |
| 1430 | case oHostKeyAlgorithms: |
| 1431 | charptr = &options->hostkeyalgorithms; |
| 1432 | parse_pubkey_algos: |
| 1433 | arg = argv_next(&ac, &av); |
| 1434 | if (!arg || *arg == '\0') { |
| 1435 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1436 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1436 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1436 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1437 | goto out; |
| 1438 | } |
| 1439 | if (*arg != '-' && |
| 1440 | !sshkey_names_valid2(*arg == '+' || *arg == '^' ? |
| 1441 | arg + 1 : arg, 1)) { |
| 1442 | error("%s line %d: Bad key types '%s'.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1443 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1443 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1443 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1444 | goto out; |
| 1445 | } |
| 1446 | if (*activep && *charptr == NULL((void *)0)) |
| 1447 | *charptr = xstrdup(arg); |
| 1448 | break; |
| 1449 | |
| 1450 | case oCASignatureAlgorithms: |
| 1451 | charptr = &options->ca_sign_algorithms; |
| 1452 | goto parse_pubkey_algos; |
| 1453 | |
| 1454 | case oLogLevel: |
| 1455 | log_level_ptr = &options->log_level; |
| 1456 | arg = argv_next(&ac, &av); |
| 1457 | value = log_level_number(arg); |
| 1458 | if (value == SYSLOG_LEVEL_NOT_SET) { |
| 1459 | error("%.200s line %d: unsupported log level '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1460 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1460 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1460 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1461 | goto out; |
| 1462 | } |
| 1463 | if (*activep && *log_level_ptr == SYSLOG_LEVEL_NOT_SET) |
| 1464 | *log_level_ptr = (LogLevel) value; |
| 1465 | break; |
| 1466 | |
| 1467 | case oLogFacility: |
| 1468 | log_facility_ptr = &options->log_facility; |
| 1469 | arg = argv_next(&ac, &av); |
| 1470 | value = log_facility_number(arg); |
| 1471 | if (value == SYSLOG_FACILITY_NOT_SET) { |
| 1472 | error("%.200s line %d: unsupported log facility '%s'",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1473 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1473 | filename, linenum, arg ? arg : "<NONE>")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1473 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1474 | goto out; |
| 1475 | } |
| 1476 | if (*log_facility_ptr == -1) |
| 1477 | *log_facility_ptr = (SyslogFacility) value; |
| 1478 | break; |
| 1479 | |
| 1480 | case oLogVerbose: |
| 1481 | cppptr = &options->log_verbose; |
| 1482 | uintptr = &options->num_log_verbose; |
| 1483 | i = 0; |
| 1484 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1485 | if (*arg == '\0') { |
| 1486 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1487 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1487 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1487 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1488 | goto out; |
| 1489 | } |
| 1490 | /* Allow "none" only in first position */ |
| 1491 | if (strcasecmp(arg, "none") == 0) { |
| 1492 | if (i > 0 || ac > 0) { |
| 1493 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1495 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1494 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1495 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1495 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1495 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1496 | goto out; |
| 1497 | } |
| 1498 | } |
| 1499 | i++; |
| 1500 | if (*activep && *uintptr == 0) { |
| 1501 | *cppptr = xrecallocarray(*cppptr, *uintptr, |
| 1502 | *uintptr + 1, sizeof(**cppptr)); |
| 1503 | (*cppptr)[(*uintptr)++] = xstrdup(arg); |
| 1504 | } |
| 1505 | } |
| 1506 | break; |
| 1507 | |
| 1508 | case oLocalForward: |
| 1509 | case oRemoteForward: |
| 1510 | case oDynamicForward: |
| 1511 | arg = argv_next(&ac, &av); |
| 1512 | if (!arg || *arg == '\0') { |
| 1513 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1514 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1514 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1514 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1515 | goto out; |
| 1516 | } |
| 1517 | |
| 1518 | remotefwd = (opcode == oRemoteForward); |
| 1519 | dynamicfwd = (opcode == oDynamicForward); |
| 1520 | |
| 1521 | if (!dynamicfwd) { |
| 1522 | arg2 = argv_next(&ac, &av); |
| 1523 | if (arg2 == NULL((void *)0) || *arg2 == '\0') { |
| 1524 | if (remotefwd) |
| 1525 | dynamicfwd = 1; |
| 1526 | else { |
| 1527 | error("%.200s line %d: Missing target "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1528 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing target " "argument.", filename, linenum) |
| 1528 | "argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1528 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing target " "argument.", filename, linenum); |
| 1529 | goto out; |
| 1530 | } |
| 1531 | } else { |
| 1532 | /* construct a string for parse_forward */ |
| 1533 | snprintf(fwdarg, sizeof(fwdarg), "%s:%s", arg, |
| 1534 | arg2); |
| 1535 | } |
| 1536 | } |
| 1537 | if (dynamicfwd) |
| 1538 | strlcpy(fwdarg, arg, sizeof(fwdarg)); |
| 1539 | |
| 1540 | if (parse_forward(&fwd, fwdarg, dynamicfwd, remotefwd) == 0) { |
| 1541 | error("%.200s line %d: Bad forwarding specification.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1542 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad forwarding specification." , filename, linenum) |
| 1542 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1542 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad forwarding specification." , filename, linenum); |
| 1543 | goto out; |
| 1544 | } |
| 1545 | |
| 1546 | if (*activep) { |
| 1547 | if (remotefwd) { |
| 1548 | add_remote_forward(options, &fwd); |
| 1549 | } else { |
| 1550 | add_local_forward(options, &fwd); |
| 1551 | } |
| 1552 | } |
| 1553 | break; |
| 1554 | |
| 1555 | case oPermitRemoteOpen: |
| 1556 | uintptr = &options->num_permitted_remote_opens; |
| 1557 | cppptr = &options->permitted_remote_opens; |
| 1558 | arg = argv_next(&ac, &av); |
| 1559 | if (!arg || *arg == '\0') |
| 1560 | fatal("%s line %d: missing %s specification",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1561 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s specification" , filename, linenum, lookup_opcode_name(opcode)) |
| 1561 | filename, linenum, lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1561 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s specification" , filename, linenum, lookup_opcode_name(opcode)); |
| 1562 | uvalue = *uintptr; /* modified later */ |
| 1563 | if (strcmp(arg, "any") == 0 || strcmp(arg, "none") == 0) { |
| 1564 | if (*activep && uvalue == 0) { |
| 1565 | *uintptr = 1; |
| 1566 | *cppptr = xcalloc(1, sizeof(**cppptr)); |
| 1567 | (*cppptr)[0] = xstrdup(arg); |
| 1568 | } |
| 1569 | break; |
| 1570 | } |
| 1571 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1572 | arg2 = xstrdup(arg); |
| 1573 | ch = '\0'; |
| 1574 | p = hpdelim2(&arg, &ch); |
| 1575 | if (p == NULL((void *)0) || ch == '/') { |
| 1576 | fatal("%s line %d: missing host in %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1578 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1577 | filename, linenum,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1578 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1578 | lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1578 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing host in %s" , filename, linenum, lookup_opcode_name(opcode)); |
| 1579 | } |
| 1580 | p = cleanhostname(p); |
Value stored to 'p' is never read | |
| 1581 | /* |
| 1582 | * don't want to use permitopen_port to avoid |
| 1583 | * dependency on channels.[ch] here. |
| 1584 | */ |
| 1585 | if (arg == NULL((void *)0) || |
| 1586 | (strcmp(arg, "*") != 0 && a2port(arg) <= 0)) { |
| 1587 | fatal("%s line %d: bad port number in %s",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1589 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1588 | filename, linenum,sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1589 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number in %s" , filename, linenum, lookup_opcode_name(opcode)) |
| 1589 | lookup_opcode_name(opcode))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1589 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number in %s" , filename, linenum, lookup_opcode_name(opcode)); |
| 1590 | } |
| 1591 | if (*activep && uvalue == 0) { |
| 1592 | opt_array_append(filename, linenum, |
| 1593 | lookup_opcode_name(opcode), |
| 1594 | cppptr, uintptr, arg2); |
| 1595 | } |
| 1596 | free(arg2); |
| 1597 | } |
| 1598 | break; |
| 1599 | |
| 1600 | case oClearAllForwardings: |
| 1601 | intptr = &options->clear_forwardings; |
| 1602 | goto parse_flag; |
| 1603 | |
| 1604 | case oHost: |
| 1605 | if (cmdline) { |
| 1606 | error("Host directive not supported as a command-line "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1607 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option") |
| 1607 | "option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1607 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option"); |
| 1608 | goto out; |
| 1609 | } |
| 1610 | *activep = 0; |
| 1611 | arg2 = NULL((void *)0); |
| 1612 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1613 | if (*arg == '\0') { |
| 1614 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1615 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1615 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1615 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1616 | goto out; |
| 1617 | } |
| 1618 | if ((flags & SSHCONF_NEVERMATCH8) != 0) { |
| 1619 | argv_consume(&ac); |
| 1620 | break; |
| 1621 | } |
| 1622 | negated = *arg == '!'; |
| 1623 | if (negated) |
| 1624 | arg++; |
| 1625 | if (match_pattern(host, arg)) { |
| 1626 | if (negated) { |
| 1627 | debug("%.200s line %d: Skipping Host "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1630 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1628 | "block because of negated match "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1630 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1629 | "for %.100s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1630 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg) |
| 1630 | arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1630 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Skipping Host " "block because of negated match " "for %.100s", filename, linenum , arg); |
| 1631 | *activep = 0; |
| 1632 | argv_consume(&ac); |
| 1633 | break; |
| 1634 | } |
| 1635 | if (!*activep) |
| 1636 | arg2 = arg; /* logged below */ |
| 1637 | *activep = 1; |
| 1638 | } |
| 1639 | } |
| 1640 | if (*activep) |
| 1641 | debug("%.200s line %d: Applying options for %.100s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1642 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Applying options for %.100s" , filename, linenum, arg2) |
| 1642 | filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1642 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: Applying options for %.100s" , filename, linenum, arg2); |
| 1643 | break; |
| 1644 | |
| 1645 | case oMatch: |
| 1646 | if (cmdline) { |
| 1647 | error("Host directive not supported as a command-line "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1648 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option") |
| 1648 | "option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1648 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Host directive not supported as a command-line " "option"); |
| 1649 | goto out; |
| 1650 | } |
| 1651 | value = match_cfg_line(options, &str, pw, host, original_host, |
| 1652 | flags & SSHCONF_FINAL4, want_final_pass, |
| 1653 | filename, linenum); |
| 1654 | if (value < 0) { |
| 1655 | error("%.200s line %d: Bad Match condition", filename,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1656 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad Match condition" , filename, linenum) |
| 1656 | linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1656 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad Match condition" , filename, linenum); |
| 1657 | goto out; |
| 1658 | } |
| 1659 | *activep = (flags & SSHCONF_NEVERMATCH8) ? 0 : value; |
| 1660 | /* |
| 1661 | * If match_cfg_line() didn't consume all its arguments then |
| 1662 | * arrange for the extra arguments check below to fail. |
| 1663 | */ |
| 1664 | |
| 1665 | if (str == NULL((void *)0) || *str == '\0') |
| 1666 | argv_consume(&ac); |
| 1667 | break; |
| 1668 | |
| 1669 | case oEscapeChar: |
| 1670 | intptr = &options->escape_char; |
| 1671 | arg = argv_next(&ac, &av); |
| 1672 | if (!arg || *arg == '\0') { |
| 1673 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1674 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1674 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1674 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1675 | goto out; |
| 1676 | } |
| 1677 | if (strcmp(arg, "none") == 0) |
| 1678 | value = SSH_ESCAPECHAR_NONE-2; |
| 1679 | else if (arg[1] == '\0') |
| 1680 | value = (u_char) arg[0]; |
| 1681 | else if (arg[0] == '^' && arg[2] == 0 && |
| 1682 | (u_char) arg[1] >= 64 && (u_char) arg[1] < 128) |
| 1683 | value = (u_char) arg[1] & 31; |
| 1684 | else { |
| 1685 | error("%.200s line %d: Bad escape character.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1686 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad escape character." , filename, linenum) |
| 1686 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1686 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad escape character." , filename, linenum); |
| 1687 | goto out; |
| 1688 | } |
| 1689 | if (*activep && *intptr == -1) |
| 1690 | *intptr = value; |
| 1691 | break; |
| 1692 | |
| 1693 | case oAddressFamily: |
| 1694 | intptr = &options->address_family; |
| 1695 | multistate_ptr = multistate_addressfamily; |
| 1696 | goto parse_multistate; |
| 1697 | |
| 1698 | case oEnableSSHKeysign: |
| 1699 | intptr = &options->enable_ssh_keysign; |
| 1700 | goto parse_flag; |
| 1701 | |
| 1702 | case oIdentitiesOnly: |
| 1703 | intptr = &options->identities_only; |
| 1704 | goto parse_flag; |
| 1705 | |
| 1706 | case oServerAliveInterval: |
| 1707 | intptr = &options->server_alive_interval; |
| 1708 | goto parse_time; |
| 1709 | |
| 1710 | case oServerAliveCountMax: |
| 1711 | intptr = &options->server_alive_count_max; |
| 1712 | goto parse_int; |
| 1713 | |
| 1714 | case oSendEnv: |
| 1715 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1716 | if (*arg == '\0' || strchr(arg, '=') != NULL((void *)0)) { |
| 1717 | error("%s line %d: Invalid environment name.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum) |
| 1718 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1718 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum); |
| 1719 | goto out; |
| 1720 | } |
| 1721 | if (!*activep) |
| 1722 | continue; |
| 1723 | if (*arg == '-') { |
| 1724 | /* Removing an env var */ |
| 1725 | rm_env(options, arg, filename, linenum); |
| 1726 | continue; |
| 1727 | } else { |
| 1728 | /* Adding an env var */ |
| 1729 | if (options->num_send_env >= INT_MAX2147483647) { |
| 1730 | error("%s line %d: too many send env.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1731 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many send env." , filename, linenum) |
| 1731 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1731 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many send env." , filename, linenum); |
| 1732 | goto out; |
| 1733 | } |
| 1734 | options->send_env = xrecallocarray( |
| 1735 | options->send_env, options->num_send_env, |
| 1736 | options->num_send_env + 1, |
| 1737 | sizeof(*options->send_env)); |
| 1738 | options->send_env[options->num_send_env++] = |
| 1739 | xstrdup(arg); |
| 1740 | } |
| 1741 | } |
| 1742 | break; |
| 1743 | |
| 1744 | case oSetEnv: |
| 1745 | value = options->num_setenv; |
| 1746 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1747 | if (strchr(arg, '=') == NULL((void *)0)) { |
| 1748 | error("%s line %d: Invalid SetEnv.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1749 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid SetEnv." , filename, linenum) |
| 1749 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1749 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Invalid SetEnv." , filename, linenum); |
| 1750 | goto out; |
| 1751 | } |
| 1752 | if (!*activep || value != 0) |
| 1753 | continue; |
| 1754 | /* Adding a setenv var */ |
| 1755 | if (options->num_setenv >= INT_MAX2147483647) { |
| 1756 | error("%s line %d: too many SetEnv.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1757 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many SetEnv." , filename, linenum) |
| 1757 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1757 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many SetEnv." , filename, linenum); |
| 1758 | goto out; |
| 1759 | } |
| 1760 | options->setenv = xrecallocarray( |
| 1761 | options->setenv, options->num_setenv, |
| 1762 | options->num_setenv + 1, sizeof(*options->setenv)); |
| 1763 | options->setenv[options->num_setenv++] = xstrdup(arg); |
| 1764 | } |
| 1765 | break; |
| 1766 | |
| 1767 | case oControlPath: |
| 1768 | charptr = &options->control_path; |
| 1769 | goto parse_string; |
| 1770 | |
| 1771 | case oControlMaster: |
| 1772 | intptr = &options->control_master; |
| 1773 | multistate_ptr = multistate_controlmaster; |
| 1774 | goto parse_multistate; |
| 1775 | |
| 1776 | case oControlPersist: |
| 1777 | /* no/false/yes/true, or a time spec */ |
| 1778 | intptr = &options->control_persist; |
| 1779 | arg = argv_next(&ac, &av); |
| 1780 | if (!arg || *arg == '\0') { |
| 1781 | error("%.200s line %d: Missing ControlPersist"sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1782 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing ControlPersist" " argument.", filename, linenum) |
| 1782 | " argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1782 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing ControlPersist" " argument.", filename, linenum); |
| 1783 | goto out; |
| 1784 | } |
| 1785 | value = 0; |
| 1786 | value2 = 0; /* timeout */ |
| 1787 | if (strcmp(arg, "no") == 0 || strcmp(arg, "false") == 0) |
| 1788 | value = 0; |
| 1789 | else if (strcmp(arg, "yes") == 0 || strcmp(arg, "true") == 0) |
| 1790 | value = 1; |
| 1791 | else if ((value2 = convtime(arg)) >= 0) |
| 1792 | value = 1; |
| 1793 | else { |
| 1794 | error("%.200s line %d: Bad ControlPersist argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1795 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad ControlPersist argument." , filename, linenum) |
| 1795 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1795 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad ControlPersist argument." , filename, linenum); |
| 1796 | goto out; |
| 1797 | } |
| 1798 | if (*activep && *intptr == -1) { |
| 1799 | *intptr = value; |
| 1800 | options->control_persist_timeout = value2; |
| 1801 | } |
| 1802 | break; |
| 1803 | |
| 1804 | case oHashKnownHosts: |
| 1805 | intptr = &options->hash_known_hosts; |
| 1806 | goto parse_flag; |
| 1807 | |
| 1808 | case oTunnel: |
| 1809 | intptr = &options->tun_open; |
| 1810 | multistate_ptr = multistate_tunnel; |
| 1811 | goto parse_multistate; |
| 1812 | |
| 1813 | case oTunnelDevice: |
| 1814 | arg = argv_next(&ac, &av); |
| 1815 | if (!arg || *arg == '\0') { |
| 1816 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1817 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 1817 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1817 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 1818 | goto out; |
| 1819 | } |
| 1820 | value = a2tun(arg, &value2); |
| 1821 | if (value == SSH_TUNID_ERR(0x7fffffff - 1)) { |
| 1822 | error("%.200s line %d: Bad tun device.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1823 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad tun device." , filename, linenum) |
| 1823 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1823 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad tun device." , filename, linenum); |
| 1824 | goto out; |
| 1825 | } |
| 1826 | if (*activep && options->tun_local == -1) { |
| 1827 | options->tun_local = value; |
| 1828 | options->tun_remote = value2; |
| 1829 | } |
| 1830 | break; |
| 1831 | |
| 1832 | case oLocalCommand: |
| 1833 | charptr = &options->local_command; |
| 1834 | goto parse_command; |
| 1835 | |
| 1836 | case oPermitLocalCommand: |
| 1837 | intptr = &options->permit_local_command; |
| 1838 | goto parse_flag; |
| 1839 | |
| 1840 | case oRemoteCommand: |
| 1841 | charptr = &options->remote_command; |
| 1842 | goto parse_command; |
| 1843 | |
| 1844 | case oVisualHostKey: |
| 1845 | intptr = &options->visual_host_key; |
| 1846 | goto parse_flag; |
| 1847 | |
| 1848 | case oInclude: |
| 1849 | if (cmdline) { |
| 1850 | error("Include directive not supported as a "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1851 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Include directive not supported as a " "command-line option") |
| 1851 | "command-line option")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1851 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Include directive not supported as a " "command-line option"); |
| 1852 | goto out; |
| 1853 | } |
| 1854 | value = 0; |
| 1855 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1856 | if (*arg == '\0') { |
| 1857 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1858 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1858 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1858 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1859 | goto out; |
| 1860 | } |
| 1861 | /* |
| 1862 | * Ensure all paths are anchored. User configuration |
| 1863 | * files may begin with '~/' but system configurations |
| 1864 | * must not. If the path is relative, then treat it |
| 1865 | * as living in ~/.ssh for user configurations or |
| 1866 | * /etc/ssh for system ones. |
| 1867 | */ |
| 1868 | if (*arg == '~' && (flags & SSHCONF_USERCONF2) == 0) { |
| 1869 | error("%.200s line %d: bad include path %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1870 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: bad include path %s." , filename, linenum, arg) |
| 1870 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1870 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: bad include path %s." , filename, linenum, arg); |
| 1871 | goto out; |
| 1872 | } |
| 1873 | if (!path_absolute(arg) && *arg != '~') { |
| 1874 | xasprintf(&arg2, "%s/%s", |
| 1875 | (flags & SSHCONF_USERCONF2) ? |
| 1876 | "~/" _PATH_SSH_USER_DIR".ssh" : SSHDIR"/etc" "/ssh", arg); |
| 1877 | } else |
| 1878 | arg2 = xstrdup(arg); |
| 1879 | memset(&gl, 0, sizeof(gl)); |
| 1880 | r = glob(arg2, GLOB_TILDE0x0800, NULL((void *)0), &gl); |
| 1881 | if (r == GLOB_NOMATCH(-3)) { |
| 1882 | debug("%.200s line %d: include %s matched no "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1883 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: include %s matched no " "files",filename, linenum, arg2) |
| 1883 | "files",filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1883 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%.200s line %d: include %s matched no " "files",filename, linenum, arg2); |
| 1884 | free(arg2); |
| 1885 | continue; |
| 1886 | } else if (r != 0) { |
| 1887 | error("%.200s line %d: glob failed for %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1888 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: glob failed for %s." , filename, linenum, arg2) |
| 1888 | filename, linenum, arg2)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1888 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: glob failed for %s." , filename, linenum, arg2); |
| 1889 | goto out; |
| 1890 | } |
| 1891 | free(arg2); |
| 1892 | oactive = *activep; |
| 1893 | for (i = 0; i < gl.gl_pathc; i++) { |
| 1894 | debug3("%.200s line %d: Including file %s "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1897 , 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)") |
| 1895 | "depth %d%s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1897 , 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)") |
| 1896 | gl.gl_pathv[i], depth,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1897 , 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)") |
| 1897 | oactive ? "" : " (parse only)")sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1897 , 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)"); |
| 1898 | r = read_config_file_depth(gl.gl_pathv[i], |
| 1899 | pw, host, original_host, options, |
| 1900 | flags | SSHCONF_CHECKPERM1 | |
| 1901 | (oactive ? 0 : SSHCONF_NEVERMATCH8), |
| 1902 | activep, want_final_pass, depth + 1); |
| 1903 | if (r != 1 && errno(*__errno()) != ENOENT2) { |
| 1904 | error("Can't open user config file "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1906 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))) |
| 1905 | "%.100s: %.100s", gl.gl_pathv[i],sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1906 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))) |
| 1906 | strerror(errno))sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1906 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't open user config file " "%.100s: %.100s", gl.gl_pathv[i], strerror((*__errno()))); |
| 1907 | globfree(&gl); |
| 1908 | goto out; |
| 1909 | } |
| 1910 | /* |
| 1911 | * don't let Match in includes clobber the |
| 1912 | * containing file's Match state. |
| 1913 | */ |
| 1914 | *activep = oactive; |
| 1915 | if (r != 1) |
| 1916 | value = -1; |
| 1917 | } |
| 1918 | globfree(&gl); |
| 1919 | } |
| 1920 | if (value != 0) |
| 1921 | ret = value; |
| 1922 | break; |
| 1923 | |
| 1924 | case oIPQoS: |
| 1925 | arg = argv_next(&ac, &av); |
| 1926 | if ((value = parse_ipqos(arg)) == -1) { |
| 1927 | error("%s line %d: Bad IPQoS value: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1928 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg) |
| 1928 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1928 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg); |
| 1929 | goto out; |
| 1930 | } |
| 1931 | arg = argv_next(&ac, &av); |
| 1932 | if (arg == NULL((void *)0)) |
| 1933 | value2 = value; |
| 1934 | else if ((value2 = parse_ipqos(arg)) == -1) { |
| 1935 | error("%s line %d: Bad IPQoS value: %s",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1936 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg) |
| 1936 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1936 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Bad IPQoS value: %s" , filename, linenum, arg); |
| 1937 | goto out; |
| 1938 | } |
| 1939 | if (*activep && options->ip_qos_interactive == -1) { |
| 1940 | options->ip_qos_interactive = value; |
| 1941 | options->ip_qos_bulk = value2; |
| 1942 | } |
| 1943 | break; |
| 1944 | |
| 1945 | case oRequestTTY: |
| 1946 | intptr = &options->request_tty; |
| 1947 | multistate_ptr = multistate_requesttty; |
| 1948 | goto parse_multistate; |
| 1949 | |
| 1950 | case oSessionType: |
| 1951 | intptr = &options->session_type; |
| 1952 | multistate_ptr = multistate_sessiontype; |
| 1953 | goto parse_multistate; |
| 1954 | |
| 1955 | case oStdinNull: |
| 1956 | intptr = &options->stdin_null; |
| 1957 | goto parse_flag; |
| 1958 | |
| 1959 | case oForkAfterAuthentication: |
| 1960 | intptr = &options->fork_after_authentication; |
| 1961 | goto parse_flag; |
| 1962 | |
| 1963 | case oIgnoreUnknown: |
| 1964 | charptr = &options->ignored_unknown; |
| 1965 | goto parse_string; |
| 1966 | |
| 1967 | case oProxyUseFdpass: |
| 1968 | intptr = &options->proxy_use_fdpass; |
| 1969 | goto parse_flag; |
| 1970 | |
| 1971 | case oCanonicalDomains: |
| 1972 | value = options->num_canonical_domains != 0; |
| 1973 | i = 0; |
| 1974 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1975 | if (*arg == '\0') { |
| 1976 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1977 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1977 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1977 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1978 | goto out; |
| 1979 | } |
| 1980 | /* Allow "none" only in first position */ |
| 1981 | if (strcasecmp(arg, "none") == 0) { |
| 1982 | if (i > 0 || ac > 0) { |
| 1983 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1985 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1984 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1985 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1985 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1985 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1986 | goto out; |
| 1987 | } |
| 1988 | } |
| 1989 | i++; |
| 1990 | if (!valid_domain(arg, 1, &errstr)) { |
| 1991 | error("%s line %d: %s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1992 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: %s", filename , linenum, errstr) |
| 1992 | errstr)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 1992 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: %s", filename , linenum, errstr); |
| 1993 | goto out; |
| 1994 | } |
| 1995 | if (!*activep || value) |
| 1996 | continue; |
| 1997 | if (options->num_canonical_domains >= |
| 1998 | MAX_CANON_DOMAINS32) { |
| 1999 | error("%s line %d: too many hostname suffixes.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2000 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many hostname suffixes." , filename, linenum) |
| 2000 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2000 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many hostname suffixes." , filename, linenum); |
| 2001 | goto out; |
| 2002 | } |
| 2003 | options->canonical_domains[ |
| 2004 | options->num_canonical_domains++] = xstrdup(arg); |
| 2005 | } |
| 2006 | break; |
| 2007 | |
| 2008 | case oCanonicalizePermittedCNAMEs: |
| 2009 | value = options->num_permitted_cnames != 0; |
| 2010 | i = 0; |
| 2011 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2012 | /* |
| 2013 | * Either 'none' (only in first position), '*' for |
| 2014 | * everything or 'list:list' |
| 2015 | */ |
| 2016 | if (strcasecmp(arg, "none") == 0) { |
| 2017 | if (i > 0 || ac > 0) { |
| 2018 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2020 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2019 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2020 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2020 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2020 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 2021 | goto out; |
| 2022 | } |
| 2023 | arg2 = ""; |
| 2024 | } else if (strcmp(arg, "*") == 0) { |
| 2025 | arg2 = arg; |
| 2026 | } else { |
| 2027 | lowercase(arg); |
| 2028 | if ((arg2 = strchr(arg, ':')) == NULL((void *)0) || |
| 2029 | arg2[1] == '\0') { |
| 2030 | error("%s line %d: "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2032 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg) |
| 2031 | "Invalid permitted CNAME \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2032 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg) |
| 2032 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2032 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: " "Invalid permitted CNAME \"%s\"" , filename, linenum, arg); |
| 2033 | goto out; |
| 2034 | } |
| 2035 | *arg2 = '\0'; |
| 2036 | arg2++; |
| 2037 | } |
| 2038 | i++; |
| 2039 | if (!*activep || value) |
| 2040 | continue; |
| 2041 | if (options->num_permitted_cnames >= |
| 2042 | MAX_CANON_DOMAINS32) { |
| 2043 | error("%s line %d: too many permitted CNAMEs.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2044 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many permitted CNAMEs." , filename, linenum) |
| 2044 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2044 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: too many permitted CNAMEs." , filename, linenum); |
| 2045 | goto out; |
| 2046 | } |
| 2047 | cname = options->permitted_cnames + |
| 2048 | options->num_permitted_cnames++; |
| 2049 | cname->source_list = xstrdup(arg); |
| 2050 | cname->target_list = xstrdup(arg2); |
| 2051 | } |
| 2052 | break; |
| 2053 | |
| 2054 | case oCanonicalizeHostname: |
| 2055 | intptr = &options->canonicalize_hostname; |
| 2056 | multistate_ptr = multistate_canonicalizehostname; |
| 2057 | goto parse_multistate; |
| 2058 | |
| 2059 | case oCanonicalizeMaxDots: |
| 2060 | intptr = &options->canonicalize_max_dots; |
| 2061 | goto parse_int; |
| 2062 | |
| 2063 | case oCanonicalizeFallbackLocal: |
| 2064 | intptr = &options->canonicalize_fallback_local; |
| 2065 | goto parse_flag; |
| 2066 | |
| 2067 | case oStreamLocalBindMask: |
| 2068 | arg = argv_next(&ac, &av); |
| 2069 | if (!arg || *arg == '\0') { |
| 2070 | error("%.200s line %d: Missing StreamLocalBindMask "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2071 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing StreamLocalBindMask " "argument.", filename, linenum) |
| 2071 | "argument.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2071 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing StreamLocalBindMask " "argument.", filename, linenum); |
| 2072 | goto out; |
| 2073 | } |
| 2074 | /* Parse mode in octal format */ |
| 2075 | value = strtol(arg, &endofnumber, 8); |
| 2076 | if (arg == endofnumber || value < 0 || value > 0777) { |
| 2077 | error("%.200s line %d: Bad mask.", filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2077 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Bad mask." , filename, linenum); |
| 2078 | goto out; |
| 2079 | } |
| 2080 | options->fwd_opts.streamlocal_bind_mask = (mode_t)value; |
| 2081 | break; |
| 2082 | |
| 2083 | case oStreamLocalBindUnlink: |
| 2084 | intptr = &options->fwd_opts.streamlocal_bind_unlink; |
| 2085 | goto parse_flag; |
| 2086 | |
| 2087 | case oRevokedHostKeys: |
| 2088 | charptr = &options->revoked_host_keys; |
| 2089 | goto parse_string; |
| 2090 | |
| 2091 | case oFingerprintHash: |
| 2092 | intptr = &options->fingerprint_hash; |
| 2093 | arg = argv_next(&ac, &av); |
| 2094 | if (!arg || *arg == '\0') { |
| 2095 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2096 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 2096 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2096 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 2097 | goto out; |
| 2098 | } |
| 2099 | if ((value = ssh_digest_alg_by_name(arg)) == -1) { |
| 2100 | error("%.200s line %d: Invalid hash algorithm \"%s\".",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2101 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid hash algorithm \"%s\"." , filename, linenum, arg) |
| 2101 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2101 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid hash algorithm \"%s\"." , filename, linenum, arg); |
| 2102 | goto out; |
| 2103 | } |
| 2104 | if (*activep && *intptr == -1) |
| 2105 | *intptr = value; |
| 2106 | break; |
| 2107 | |
| 2108 | case oUpdateHostkeys: |
| 2109 | intptr = &options->update_hostkeys; |
| 2110 | multistate_ptr = multistate_yesnoask; |
| 2111 | goto parse_multistate; |
| 2112 | |
| 2113 | case oHostbasedAcceptedAlgorithms: |
| 2114 | charptr = &options->hostbased_accepted_algos; |
| 2115 | goto parse_pubkey_algos; |
| 2116 | |
| 2117 | case oPubkeyAcceptedAlgorithms: |
| 2118 | charptr = &options->pubkey_accepted_algos; |
| 2119 | goto parse_pubkey_algos; |
| 2120 | |
| 2121 | case oAddKeysToAgent: |
| 2122 | arg = argv_next(&ac, &av); |
| 2123 | arg2 = argv_next(&ac, &av); |
| 2124 | value = parse_multistate_value(arg, filename, linenum, |
| 2125 | multistate_yesnoaskconfirm); |
| 2126 | value2 = 0; /* unlimited lifespan by default */ |
| 2127 | if (value == 3 && arg2 != NULL((void *)0)) { |
| 2128 | /* allow "AddKeysToAgent confirm 5m" */ |
| 2129 | if ((value2 = convtime(arg2)) == -1 || |
| 2130 | value2 > INT_MAX2147483647) { |
| 2131 | error("%s line %d: invalid time value.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2132 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum) |
| 2132 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2132 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid time value." , filename, linenum); |
| 2133 | goto out; |
| 2134 | } |
| 2135 | } else if (value == -1 && arg2 == NULL((void *)0)) { |
| 2136 | if ((value2 = convtime(arg)) == -1 || |
| 2137 | value2 > INT_MAX2147483647) { |
| 2138 | error("%s line %d: unsupported option",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2139 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum) |
| 2139 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2139 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum); |
| 2140 | goto out; |
| 2141 | } |
| 2142 | value = 1; /* yes */ |
| 2143 | } else if (value == -1 || arg2 != NULL((void *)0)) { |
| 2144 | error("%s line %d: unsupported option",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2145 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum) |
| 2145 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2145 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported option" , filename, linenum); |
| 2146 | goto out; |
| 2147 | } |
| 2148 | if (*activep && options->add_keys_to_agent == -1) { |
| 2149 | options->add_keys_to_agent = value; |
| 2150 | options->add_keys_to_agent_lifespan = value2; |
| 2151 | } |
| 2152 | break; |
| 2153 | |
| 2154 | case oIdentityAgent: |
| 2155 | charptr = &options->identity_agent; |
| 2156 | arg = argv_next(&ac, &av); |
| 2157 | if (!arg || *arg == '\0') { |
| 2158 | error("%.200s line %d: Missing argument.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2159 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum) |
| 2159 | filename, linenum)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2159 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Missing argument." , filename, linenum); |
| 2160 | goto out; |
| 2161 | } |
| 2162 | parse_agent_path: |
| 2163 | /* Extra validation if the string represents an env var. */ |
| 2164 | if ((arg2 = dollar_expand(&r, arg)) == NULL((void *)0) || r) { |
| 2165 | error("%.200s line %d: Invalid environment expansion "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2166 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment expansion " "%s.", filename, linenum, arg) |
| 2166 | "%s.", filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2166 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment expansion " "%s.", filename, linenum, arg); |
| 2167 | goto out; |
| 2168 | } |
| 2169 | free(arg2); |
| 2170 | /* check for legacy environment format */ |
| 2171 | if (arg[0] == '$' && arg[1] != '{' && |
| 2172 | !valid_env_name(arg + 1)) { |
| 2173 | error("%.200s line %d: Invalid environment name %s.",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2174 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment name %s." , filename, linenum, arg) |
| 2174 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2174 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: Invalid environment name %s." , filename, linenum, arg); |
| 2175 | goto out; |
| 2176 | } |
| 2177 | if (*activep && *charptr == NULL((void *)0)) |
| 2178 | *charptr = xstrdup(arg); |
| 2179 | break; |
| 2180 | |
| 2181 | case oDeprecated: |
| 2182 | debug("%s line %d: Deprecated option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2183 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Deprecated option \"%s\"" , filename, linenum, keyword) |
| 2183 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2183 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Deprecated option \"%s\"" , filename, linenum, keyword); |
| 2184 | argv_consume(&ac); |
| 2185 | break; |
| 2186 | |
| 2187 | case oUnsupported: |
| 2188 | error("%s line %d: Unsupported option \"%s\"",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2189 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unsupported option \"%s\"" , filename, linenum, keyword) |
| 2189 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2189 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unsupported option \"%s\"" , filename, linenum, keyword); |
| 2190 | argv_consume(&ac); |
| 2191 | break; |
| 2192 | |
| 2193 | default: |
| 2194 | error("%s line %d: Unimplemented opcode %d",sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2195 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unimplemented opcode %d" , filename, linenum, opcode) |
| 2195 | filename, linenum, opcode)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2195 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: Unimplemented opcode %d" , filename, linenum, opcode); |
| 2196 | goto out; |
| 2197 | } |
| 2198 | |
| 2199 | /* Check that there is no garbage at end of line. */ |
| 2200 | if (ac > 0) { |
| 2201 | error("%.200s line %d: keyword %s extra arguments "sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2202 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword) |
| 2202 | "at end of line", filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2202 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword); |
| 2203 | goto out; |
| 2204 | } |
| 2205 | |
| 2206 | /* success */ |
| 2207 | ret = 0; |
| 2208 | out: |
| 2209 | argv_free(oav, oac); |
| 2210 | return ret; |
| 2211 | } |
| 2212 | |
| 2213 | /* |
| 2214 | * Reads the config file and modifies the options accordingly. Options |
| 2215 | * should already be initialized before this call. This never returns if |
| 2216 | * there is an error. If the file does not exist, this returns 0. |
| 2217 | */ |
| 2218 | int |
| 2219 | read_config_file(const char *filename, struct passwd *pw, const char *host, |
| 2220 | const char *original_host, Options *options, int flags, |
| 2221 | int *want_final_pass) |
| 2222 | { |
| 2223 | int active = 1; |
| 2224 | |
| 2225 | return read_config_file_depth(filename, pw, host, original_host, |
| 2226 | options, flags, &active, want_final_pass, 0); |
| 2227 | } |
| 2228 | |
| 2229 | #define READCONF_MAX_DEPTH16 16 |
| 2230 | static int |
| 2231 | read_config_file_depth(const char *filename, struct passwd *pw, |
| 2232 | const char *host, const char *original_host, Options *options, |
| 2233 | int flags, int *activep, int *want_final_pass, int depth) |
| 2234 | { |
| 2235 | FILE *f; |
| 2236 | char *line = NULL((void *)0); |
| 2237 | size_t linesize = 0; |
| 2238 | int linenum; |
| 2239 | int bad_options = 0; |
| 2240 | |
| 2241 | if (depth < 0 || depth > READCONF_MAX_DEPTH16) |
| 2242 | fatal("Too many recursive configuration includes")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2242 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many recursive configuration includes" ); |
| 2243 | |
| 2244 | if ((f = fopen(filename, "r")) == NULL((void *)0)) |
| 2245 | return 0; |
| 2246 | |
| 2247 | if (flags & SSHCONF_CHECKPERM1) { |
| 2248 | struct stat sb; |
| 2249 | |
| 2250 | if (fstat(fileno(f)(!__isthreaded ? ((f)->_file) : (fileno)(f)), &sb) == -1) |
| 2251 | fatal("fstat %s: %s", filename, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2251 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "fstat %s: %s", filename , strerror((*__errno()))); |
| 2252 | if (((sb.st_uid != 0 && sb.st_uid != getuid()) || |
| 2253 | (sb.st_mode & 022) != 0)) |
| 2254 | fatal("Bad owner or permissions on %s", filename)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2254 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Bad owner or permissions on %s" , filename); |
| 2255 | } |
| 2256 | |
| 2257 | debug("Reading configuration data %.200s", filename)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2257 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Reading configuration data %.200s" , filename); |
| 2258 | |
| 2259 | /* |
| 2260 | * Mark that we are now processing the options. This flag is turned |
| 2261 | * on/off by Host specifications. |
| 2262 | */ |
| 2263 | linenum = 0; |
| 2264 | while (getline(&line, &linesize, f) != -1) { |
| 2265 | /* Update line number counter. */ |
| 2266 | linenum++; |
| 2267 | /* |
| 2268 | * Trim out comments and strip whitespace. |
| 2269 | * NB - preserve newlines, they are needed to reproduce |
| 2270 | * line numbers later for error messages. |
| 2271 | */ |
| 2272 | if (process_config_line_depth(options, pw, host, original_host, |
| 2273 | line, filename, linenum, activep, flags, want_final_pass, |
| 2274 | depth) != 0) |
| 2275 | bad_options++; |
| 2276 | } |
| 2277 | free(line); |
| 2278 | fclose(f); |
| 2279 | if (bad_options > 0) |
| 2280 | fatal("%s: terminating, %d bad configuration options",sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2281 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options) |
| 2281 | filename, bad_options)sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2281 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options); |
| 2282 | return 1; |
| 2283 | } |
| 2284 | |
| 2285 | /* Returns 1 if a string option is unset or set to "none" or 0 otherwise. */ |
| 2286 | int |
| 2287 | option_clear_or_none(const char *o) |
| 2288 | { |
| 2289 | return o == NULL((void *)0) || strcasecmp(o, "none") == 0; |
| 2290 | } |
| 2291 | |
| 2292 | /* |
| 2293 | * Returns 1 if CanonicalizePermittedCNAMEs have been specified, 0 otherwise. |
| 2294 | * Allowed to be called on non-final configuration. |
| 2295 | */ |
| 2296 | int |
| 2297 | config_has_permitted_cnames(Options *options) |
| 2298 | { |
| 2299 | if (options->num_permitted_cnames == 1 && |
| 2300 | strcasecmp(options->permitted_cnames[0].source_list, "none") == 0 && |
| 2301 | strcmp(options->permitted_cnames[0].target_list, "") == 0) |
| 2302 | return 0; |
| 2303 | return options->num_permitted_cnames > 0; |
| 2304 | } |
| 2305 | |
| 2306 | /* |
| 2307 | * Initializes options to special values that indicate that they have not yet |
| 2308 | * been set. Read_config_file will only set options with this value. Options |
| 2309 | * are processed in the following order: command line, user config file, |
| 2310 | * system config file. Last, fill_default_options is called. |
| 2311 | */ |
| 2312 | |
| 2313 | void |
| 2314 | initialize_options(Options * options) |
| 2315 | { |
| 2316 | memset(options, 'X', sizeof(*options)); |
| 2317 | options->forward_agent = -1; |
| 2318 | options->forward_agent_sock_path = NULL((void *)0); |
| 2319 | options->forward_x11 = -1; |
| 2320 | options->forward_x11_trusted = -1; |
| 2321 | options->forward_x11_timeout = -1; |
| 2322 | options->stdio_forward_host = NULL((void *)0); |
| 2323 | options->stdio_forward_port = 0; |
| 2324 | options->clear_forwardings = -1; |
| 2325 | options->exit_on_forward_failure = -1; |
| 2326 | options->xauth_location = NULL((void *)0); |
| 2327 | options->fwd_opts.gateway_ports = -1; |
| 2328 | options->fwd_opts.streamlocal_bind_mask = (mode_t)-1; |
| 2329 | options->fwd_opts.streamlocal_bind_unlink = -1; |
| 2330 | options->pubkey_authentication = -1; |
| 2331 | options->gss_authentication = -1; |
| 2332 | options->gss_deleg_creds = -1; |
| 2333 | options->password_authentication = -1; |
| 2334 | options->kbd_interactive_authentication = -1; |
| 2335 | options->kbd_interactive_devices = NULL((void *)0); |
| 2336 | options->hostbased_authentication = -1; |
| 2337 | options->batch_mode = -1; |
| 2338 | options->check_host_ip = -1; |
| 2339 | options->strict_host_key_checking = -1; |
| 2340 | options->compression = -1; |
| 2341 | options->tcp_keep_alive = -1; |
| 2342 | options->port = -1; |
| 2343 | options->address_family = -1; |
| 2344 | options->connection_attempts = -1; |
| 2345 | options->connection_timeout = -1; |
| 2346 | options->number_of_password_prompts = -1; |
| 2347 | options->ciphers = NULL((void *)0); |
| 2348 | options->macs = NULL((void *)0); |
| 2349 | options->kex_algorithms = NULL((void *)0); |
| 2350 | options->hostkeyalgorithms = NULL((void *)0); |
| 2351 | options->ca_sign_algorithms = NULL((void *)0); |
| 2352 | options->num_identity_files = 0; |
| 2353 | memset(options->identity_keys, 0, sizeof(options->identity_keys)); |
| 2354 | options->num_certificate_files = 0; |
| 2355 | memset(options->certificates, 0, sizeof(options->certificates)); |
| 2356 | options->hostname = NULL((void *)0); |
| 2357 | options->host_key_alias = NULL((void *)0); |
| 2358 | options->proxy_command = NULL((void *)0); |
| 2359 | options->jump_user = NULL((void *)0); |
| 2360 | options->jump_host = NULL((void *)0); |
| 2361 | options->jump_port = -1; |
| 2362 | options->jump_extra = NULL((void *)0); |
| 2363 | options->user = NULL((void *)0); |
| 2364 | options->escape_char = -1; |
| 2365 | options->num_system_hostfiles = 0; |
| 2366 | options->num_user_hostfiles = 0; |
| 2367 | options->local_forwards = NULL((void *)0); |
| 2368 | options->num_local_forwards = 0; |
| 2369 | options->remote_forwards = NULL((void *)0); |
| 2370 | options->num_remote_forwards = 0; |
| 2371 | options->permitted_remote_opens = NULL((void *)0); |
| 2372 | options->num_permitted_remote_opens = 0; |
| 2373 | options->log_facility = SYSLOG_FACILITY_NOT_SET; |
| 2374 | options->log_level = SYSLOG_LEVEL_NOT_SET; |
| 2375 | options->num_log_verbose = 0; |
| 2376 | options->log_verbose = NULL((void *)0); |
| 2377 | options->preferred_authentications = NULL((void *)0); |
| 2378 | options->bind_address = NULL((void *)0); |
| 2379 | options->bind_interface = NULL((void *)0); |
| 2380 | options->pkcs11_provider = NULL((void *)0); |
| 2381 | options->sk_provider = NULL((void *)0); |
| 2382 | options->enable_ssh_keysign = - 1; |
| 2383 | options->no_host_authentication_for_localhost = - 1; |
| 2384 | options->identities_only = - 1; |
| 2385 | options->rekey_limit = - 1; |
| 2386 | options->rekey_interval = -1; |
| 2387 | options->verify_host_key_dns = -1; |
| 2388 | options->server_alive_interval = -1; |
| 2389 | options->server_alive_count_max = -1; |
| 2390 | options->send_env = NULL((void *)0); |
| 2391 | options->num_send_env = 0; |
| 2392 | options->setenv = NULL((void *)0); |
| 2393 | options->num_setenv = 0; |
| 2394 | options->control_path = NULL((void *)0); |
| 2395 | options->control_master = -1; |
| 2396 | options->control_persist = -1; |
| 2397 | options->control_persist_timeout = 0; |
| 2398 | options->hash_known_hosts = -1; |
| 2399 | options->tun_open = -1; |
| 2400 | options->tun_local = -1; |
| 2401 | options->tun_remote = -1; |
| 2402 | options->local_command = NULL((void *)0); |
| 2403 | options->permit_local_command = -1; |
| 2404 | options->remote_command = NULL((void *)0); |
| 2405 | options->add_keys_to_agent = -1; |
| 2406 | options->add_keys_to_agent_lifespan = -1; |
| 2407 | options->identity_agent = NULL((void *)0); |
| 2408 | options->visual_host_key = -1; |
| 2409 | options->ip_qos_interactive = -1; |
| 2410 | options->ip_qos_bulk = -1; |
| 2411 | options->request_tty = -1; |
| 2412 | options->session_type = -1; |
| 2413 | options->stdin_null = -1; |
| 2414 | options->fork_after_authentication = -1; |
| 2415 | options->proxy_use_fdpass = -1; |
| 2416 | options->ignored_unknown = NULL((void *)0); |
| 2417 | options->num_canonical_domains = 0; |
| 2418 | options->num_permitted_cnames = 0; |
| 2419 | options->canonicalize_max_dots = -1; |
| 2420 | options->canonicalize_fallback_local = -1; |
| 2421 | options->canonicalize_hostname = -1; |
| 2422 | options->revoked_host_keys = NULL((void *)0); |
| 2423 | options->fingerprint_hash = -1; |
| 2424 | options->update_hostkeys = -1; |
| 2425 | options->hostbased_accepted_algos = NULL((void *)0); |
| 2426 | options->pubkey_accepted_algos = NULL((void *)0); |
| 2427 | options->known_hosts_command = NULL((void *)0); |
| 2428 | } |
| 2429 | |
| 2430 | /* |
| 2431 | * A petite version of fill_default_options() that just fills the options |
| 2432 | * needed for hostname canonicalization to proceed. |
| 2433 | */ |
| 2434 | void |
| 2435 | fill_default_options_for_canonicalization(Options *options) |
| 2436 | { |
| 2437 | if (options->canonicalize_max_dots == -1) |
| 2438 | options->canonicalize_max_dots = 1; |
| 2439 | if (options->canonicalize_fallback_local == -1) |
| 2440 | options->canonicalize_fallback_local = 1; |
| 2441 | if (options->canonicalize_hostname == -1) |
| 2442 | options->canonicalize_hostname = SSH_CANONICALISE_NO0; |
| 2443 | } |
| 2444 | |
| 2445 | /* |
| 2446 | * Called after processing other sources of option data, this fills those |
| 2447 | * options for which no value has been specified with their default values. |
| 2448 | */ |
| 2449 | int |
| 2450 | fill_default_options(Options * options) |
| 2451 | { |
| 2452 | char *all_cipher, *all_mac, *all_kex, *all_key, *all_sig; |
| 2453 | char *def_cipher, *def_mac, *def_kex, *def_key, *def_sig; |
| 2454 | int ret = 0, r; |
| 2455 | |
| 2456 | if (options->forward_agent == -1) |
| 2457 | options->forward_agent = 0; |
| 2458 | if (options->forward_x11 == -1) |
| 2459 | options->forward_x11 = 0; |
| 2460 | if (options->forward_x11_trusted == -1) |
| 2461 | options->forward_x11_trusted = 0; |
| 2462 | if (options->forward_x11_timeout == -1) |
| 2463 | options->forward_x11_timeout = 1200; |
| 2464 | /* |
| 2465 | * stdio forwarding (-W) changes the default for these but we defer |
| 2466 | * setting the values so they can be overridden. |
| 2467 | */ |
| 2468 | if (options->exit_on_forward_failure == -1) |
| 2469 | options->exit_on_forward_failure = |
| 2470 | options->stdio_forward_host != NULL((void *)0) ? 1 : 0; |
| 2471 | if (options->clear_forwardings == -1) |
| 2472 | options->clear_forwardings = |
| 2473 | options->stdio_forward_host != NULL((void *)0) ? 1 : 0; |
| 2474 | if (options->clear_forwardings == 1) |
| 2475 | clear_forwardings(options); |
| 2476 | |
| 2477 | if (options->xauth_location == NULL((void *)0)) |
| 2478 | options->xauth_location = xstrdup(_PATH_XAUTH"/usr/X11R6/bin/xauth"); |
| 2479 | if (options->fwd_opts.gateway_ports == -1) |
| 2480 | options->fwd_opts.gateway_ports = 0; |
| 2481 | if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1) |
| 2482 | options->fwd_opts.streamlocal_bind_mask = 0177; |
| 2483 | if (options->fwd_opts.streamlocal_bind_unlink == -1) |
| 2484 | options->fwd_opts.streamlocal_bind_unlink = 0; |
| 2485 | if (options->pubkey_authentication == -1) |
| 2486 | options->pubkey_authentication = SSH_PUBKEY_AUTH_ALL0x03; |
| 2487 | if (options->gss_authentication == -1) |
| 2488 | options->gss_authentication = 0; |
| 2489 | if (options->gss_deleg_creds == -1) |
| 2490 | options->gss_deleg_creds = 0; |
| 2491 | if (options->password_authentication == -1) |
| 2492 | options->password_authentication = 1; |
| 2493 | if (options->kbd_interactive_authentication == -1) |
| 2494 | options->kbd_interactive_authentication = 1; |
| 2495 | if (options->hostbased_authentication == -1) |
| 2496 | options->hostbased_authentication = 0; |
| 2497 | if (options->batch_mode == -1) |
| 2498 | options->batch_mode = 0; |
| 2499 | if (options->check_host_ip == -1) |
| 2500 | options->check_host_ip = 0; |
| 2501 | if (options->strict_host_key_checking == -1) |
| 2502 | options->strict_host_key_checking = SSH_STRICT_HOSTKEY_ASK3; |
| 2503 | if (options->compression == -1) |
| 2504 | options->compression = 0; |
| 2505 | if (options->tcp_keep_alive == -1) |
| 2506 | options->tcp_keep_alive = 1; |
| 2507 | if (options->port == -1) |
| 2508 | options->port = 0; /* Filled in ssh_connect. */ |
| 2509 | if (options->address_family == -1) |
| 2510 | options->address_family = AF_UNSPEC0; |
| 2511 | if (options->connection_attempts == -1) |
| 2512 | options->connection_attempts = 1; |
| 2513 | if (options->number_of_password_prompts == -1) |
| 2514 | options->number_of_password_prompts = 3; |
| 2515 | /* options->hostkeyalgorithms, default set in myproposals.h */ |
| 2516 | if (options->add_keys_to_agent == -1) { |
| 2517 | options->add_keys_to_agent = 0; |
| 2518 | options->add_keys_to_agent_lifespan = 0; |
| 2519 | } |
| 2520 | if (options->num_identity_files == 0) { |
| 2521 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_RSA".ssh" "/id_rsa", 0); |
| 2522 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_DSA".ssh" "/id_dsa", 0); |
| 2523 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_ECDSA".ssh" "/id_ecdsa", 0); |
| 2524 | add_identity_file(options, "~/", |
| 2525 | _PATH_SSH_CLIENT_ID_ECDSA_SK".ssh" "/id_ecdsa_sk", 0); |
| 2526 | add_identity_file(options, "~/", |
| 2527 | _PATH_SSH_CLIENT_ID_ED25519".ssh" "/id_ed25519", 0); |
| 2528 | add_identity_file(options, "~/", |
| 2529 | _PATH_SSH_CLIENT_ID_ED25519_SK".ssh" "/id_ed25519_sk", 0); |
| 2530 | add_identity_file(options, "~/", _PATH_SSH_CLIENT_ID_XMSS".ssh" "/id_xmss", 0); |
| 2531 | } |
| 2532 | if (options->escape_char == -1) |
| 2533 | options->escape_char = '~'; |
| 2534 | if (options->num_system_hostfiles == 0) { |
| 2535 | options->system_hostfiles[options->num_system_hostfiles++] = |
| 2536 | xstrdup(_PATH_SSH_SYSTEM_HOSTFILE"/etc" "/ssh" "/ssh_known_hosts"); |
| 2537 | options->system_hostfiles[options->num_system_hostfiles++] = |
| 2538 | xstrdup(_PATH_SSH_SYSTEM_HOSTFILE2"/etc" "/ssh" "/ssh_known_hosts2"); |
| 2539 | } |
| 2540 | if (options->update_hostkeys == -1) { |
| 2541 | if (options->verify_host_key_dns <= 0 && |
| 2542 | (options->num_user_hostfiles == 0 || |
| 2543 | (options->num_user_hostfiles == 1 && strcmp(options-> |
| 2544 | user_hostfiles[0], _PATH_SSH_USER_HOSTFILE"~/" ".ssh" "/known_hosts") == 0))) |
| 2545 | options->update_hostkeys = SSH_UPDATE_HOSTKEYS_YES1; |
| 2546 | else |
| 2547 | options->update_hostkeys = SSH_UPDATE_HOSTKEYS_NO0; |
| 2548 | } |
| 2549 | if (options->num_user_hostfiles == 0) { |
| 2550 | options->user_hostfiles[options->num_user_hostfiles++] = |
| 2551 | xstrdup(_PATH_SSH_USER_HOSTFILE"~/" ".ssh" "/known_hosts"); |
| 2552 | options->user_hostfiles[options->num_user_hostfiles++] = |
| 2553 | xstrdup(_PATH_SSH_USER_HOSTFILE2"~/" ".ssh" "/known_hosts2"); |
| 2554 | } |
| 2555 | if (options->log_level == SYSLOG_LEVEL_NOT_SET) |
| 2556 | options->log_level = SYSLOG_LEVEL_INFO; |
| 2557 | if (options->log_facility == SYSLOG_FACILITY_NOT_SET) |
| 2558 | options->log_facility = SYSLOG_FACILITY_USER; |
| 2559 | if (options->no_host_authentication_for_localhost == - 1) |
| 2560 | options->no_host_authentication_for_localhost = 0; |
| 2561 | if (options->identities_only == -1) |
| 2562 | options->identities_only = 0; |
| 2563 | if (options->enable_ssh_keysign == -1) |
| 2564 | options->enable_ssh_keysign = 0; |
| 2565 | if (options->rekey_limit == -1) |
| 2566 | options->rekey_limit = 0; |
| 2567 | if (options->rekey_interval == -1) |
| 2568 | options->rekey_interval = 0; |
| 2569 | if (options->verify_host_key_dns == -1) |
| 2570 | options->verify_host_key_dns = 0; |
| 2571 | if (options->server_alive_interval == -1) |
| 2572 | options->server_alive_interval = 0; |
| 2573 | if (options->server_alive_count_max == -1) |
| 2574 | options->server_alive_count_max = 3; |
| 2575 | if (options->control_master == -1) |
| 2576 | options->control_master = 0; |
| 2577 | if (options->control_persist == -1) { |
| 2578 | options->control_persist = 0; |
| 2579 | options->control_persist_timeout = 0; |
| 2580 | } |
| 2581 | if (options->hash_known_hosts == -1) |
| 2582 | options->hash_known_hosts = 0; |
| 2583 | if (options->tun_open == -1) |
| 2584 | options->tun_open = SSH_TUNMODE_NO0x00; |
| 2585 | if (options->tun_local == -1) |
| 2586 | options->tun_local = SSH_TUNID_ANY0x7fffffff; |
| 2587 | if (options->tun_remote == -1) |
| 2588 | options->tun_remote = SSH_TUNID_ANY0x7fffffff; |
| 2589 | if (options->permit_local_command == -1) |
| 2590 | options->permit_local_command = 0; |
| 2591 | if (options->visual_host_key == -1) |
| 2592 | options->visual_host_key = 0; |
| 2593 | if (options->ip_qos_interactive == -1) |
| 2594 | options->ip_qos_interactive = IPTOS_DSCP_AF210x48; |
| 2595 | if (options->ip_qos_bulk == -1) |
| 2596 | options->ip_qos_bulk = IPTOS_DSCP_CS10x20; |
| 2597 | if (options->request_tty == -1) |
| 2598 | options->request_tty = REQUEST_TTY_AUTO0; |
| 2599 | if (options->session_type == -1) |
| 2600 | options->session_type = SESSION_TYPE_DEFAULT2; |
| 2601 | if (options->stdin_null == -1) |
| 2602 | options->stdin_null = 0; |
| 2603 | if (options->fork_after_authentication == -1) |
| 2604 | options->fork_after_authentication = 0; |
| 2605 | if (options->proxy_use_fdpass == -1) |
| 2606 | options->proxy_use_fdpass = 0; |
| 2607 | if (options->canonicalize_max_dots == -1) |
| 2608 | options->canonicalize_max_dots = 1; |
| 2609 | if (options->canonicalize_fallback_local == -1) |
| 2610 | options->canonicalize_fallback_local = 1; |
| 2611 | if (options->canonicalize_hostname == -1) |
| 2612 | options->canonicalize_hostname = SSH_CANONICALISE_NO0; |
| 2613 | if (options->fingerprint_hash == -1) |
| 2614 | options->fingerprint_hash = SSH_FP_HASH_DEFAULT2; |
| 2615 | if (options->sk_provider == NULL((void *)0)) |
| 2616 | options->sk_provider = xstrdup("internal"); |
| 2617 | |
| 2618 | /* Expand KEX name lists */ |
| 2619 | all_cipher = cipher_alg_list(',', 0); |
| 2620 | all_mac = mac_alg_list(','); |
| 2621 | all_kex = kex_alg_list(','); |
| 2622 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 2623 | all_sig = sshkey_alg_list(0, 1, 1, ','); |
| 2624 | /* remove unsupported algos from default lists */ |
| 2625 | 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); |
| 2626 | 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); |
| 2627 | def_kex = match_filter_allowlist(KEX_CLIENT_KEX"curve25519-sha256," "curve25519-sha256@libssh.org," "ecdh-sha2-nistp256," "ecdh-sha2-nistp384," "ecdh-sha2-nistp521," "sntrup761x25519-sha512@openssh.com," "diffie-hellman-group-exchange-sha256," "diffie-hellman-group16-sha512," "diffie-hellman-group18-sha512," "diffie-hellman-group14-sha256", all_kex); |
| 2628 | 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); |
| 2629 | 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); |
| 2630 | #define ASSEMBLE(what, defaults, all) \ |
| 2631 | do { \ |
| 2632 | if ((r = kex_assemble_names(&options->what, \ |
| 2633 | defaults, all)) != 0) { \ |
| 2634 | error_fr(r, "%s", #what)sshlog("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 2634 , 1, SYSLOG_LEVEL_ERROR, ssh_err(r), "%s", #what); \ |
| 2635 | goto fail; \ |
| 2636 | } \ |
| 2637 | } while (0) |
| 2638 | ASSEMBLE(ciphers, def_cipher, all_cipher); |
| 2639 | ASSEMBLE(macs, def_mac, all_mac); |
| 2640 | ASSEMBLE(kex_algorithms, def_kex, all_kex); |
| 2641 | ASSEMBLE(hostbased_accepted_algos, def_key, all_key); |
| 2642 | ASSEMBLE(pubkey_accepted_algos, def_key, all_key); |
| 2643 | ASSEMBLE(ca_sign_algorithms, def_sig, all_sig); |
| 2644 | #undef ASSEMBLE |
| 2645 | |
| 2646 | #define CLEAR_ON_NONE(v)do { if (option_clear_or_none(v)) { free(v); v = ((void *)0); } } while(0) \ |
| 2647 | do { \ |
| 2648 | if (option_clear_or_none(v)) { \ |
| 2649 | free(v); \ |
| 2650 | v = NULL((void *)0); \ |
| 2651 | } \ |
| 2652 | } while(0) |
| 2653 | CLEAR_ON_NONE(options->local_command)do { if (option_clear_or_none(options->local_command)) { free (options->local_command); options->local_command = ((void *)0); } } while(0); |
| 2654 | CLEAR_ON_NONE(options->remote_command)do { if (option_clear_or_none(options->remote_command)) { free (options->remote_command); options->remote_command = (( void *)0); } } while(0); |
| 2655 | CLEAR_ON_NONE(options->proxy_command)do { if (option_clear_or_none(options->proxy_command)) { free (options->proxy_command); options->proxy_command = ((void *)0); } } while(0); |
| 2656 | CLEAR_ON_NONE(options->control_path)do { if (option_clear_or_none(options->control_path)) { free (options->control_path); options->control_path = ((void *)0); } } while(0); |
| 2657 | CLEAR_ON_NONE(options->revoked_host_keys)do { if (option_clear_or_none(options->revoked_host_keys)) { free(options->revoked_host_keys); options->revoked_host_keys = ((void *)0); } } while(0); |
| 2658 | CLEAR_ON_NONE(options->pkcs11_provider)do { if (option_clear_or_none(options->pkcs11_provider)) { free(options->pkcs11_provider); options->pkcs11_provider = ((void *)0); } } while(0); |
| 2659 | CLEAR_ON_NONE(options->sk_provider)do { if (option_clear_or_none(options->sk_provider)) { free (options->sk_provider); options->sk_provider = ((void * )0); } } while(0); |
| 2660 | CLEAR_ON_NONE(options->known_hosts_command)do { if (option_clear_or_none(options->known_hosts_command )) { free(options->known_hosts_command); options->known_hosts_command = ((void *)0); } } while(0); |
| 2661 | if (options->jump_host != NULL((void *)0) && |
| 2662 | strcmp(options->jump_host, "none") == 0 && |
| 2663 | options->jump_port == 0 && options->jump_user == NULL((void *)0)) { |
| 2664 | free(options->jump_host); |
| 2665 | options->jump_host = NULL((void *)0); |
| 2666 | } |
| 2667 | if (options->num_permitted_cnames == 1 && |
| 2668 | !config_has_permitted_cnames(options)) { |
| 2669 | /* clean up CanonicalizePermittedCNAMEs=none */ |
| 2670 | free(options->permitted_cnames[0].source_list); |
| 2671 | free(options->permitted_cnames[0].target_list); |
| 2672 | memset(options->permitted_cnames, '\0', |
| 2673 | sizeof(*options->permitted_cnames)); |
| 2674 | options->num_permitted_cnames = 0; |
| 2675 | } |
| 2676 | /* options->identity_agent distinguishes NULL from 'none' */ |
| 2677 | /* options->user will be set in the main program if appropriate */ |
| 2678 | /* options->hostname will be set in the main program if appropriate */ |
| 2679 | /* options->host_key_alias should not be set by default */ |
| 2680 | /* options->preferred_authentications will be set in ssh */ |
| 2681 | |
| 2682 | /* success */ |
| 2683 | ret = 0; |
| 2684 | fail: |
| 2685 | free(all_cipher); |
| 2686 | free(all_mac); |
| 2687 | free(all_kex); |
| 2688 | free(all_key); |
| 2689 | free(all_sig); |
| 2690 | free(def_cipher); |
| 2691 | free(def_mac); |
| 2692 | free(def_kex); |
| 2693 | free(def_key); |
| 2694 | free(def_sig); |
| 2695 | return ret; |
| 2696 | } |
| 2697 | |
| 2698 | void |
| 2699 | free_options(Options *o) |
| 2700 | { |
| 2701 | int i; |
| 2702 | |
| 2703 | if (o == NULL((void *)0)) |
| 2704 | return; |
| 2705 | |
| 2706 | #define FREE_ARRAY(type, n, a) \ |
| 2707 | do { \ |
| 2708 | type _i; \ |
| 2709 | for (_i = 0; _i < (n); _i++) \ |
| 2710 | free((a)[_i]); \ |
| 2711 | } while (0) |
| 2712 | |
| 2713 | free(o->forward_agent_sock_path); |
| 2714 | free(o->xauth_location); |
| 2715 | FREE_ARRAY(u_int, o->num_log_verbose, o->log_verbose); |
| 2716 | free(o->log_verbose); |
| 2717 | free(o->ciphers); |
| 2718 | free(o->macs); |
| 2719 | free(o->hostkeyalgorithms); |
| 2720 | free(o->kex_algorithms); |
| 2721 | free(o->ca_sign_algorithms); |
| 2722 | free(o->hostname); |
| 2723 | free(o->host_key_alias); |
| 2724 | free(o->proxy_command); |
| 2725 | free(o->user); |
| 2726 | FREE_ARRAY(u_int, o->num_system_hostfiles, o->system_hostfiles); |
| 2727 | FREE_ARRAY(u_int, o->num_user_hostfiles, o->user_hostfiles); |
| 2728 | free(o->preferred_authentications); |
| 2729 | free(o->bind_address); |
| 2730 | free(o->bind_interface); |
| 2731 | free(o->pkcs11_provider); |
| 2732 | free(o->sk_provider); |
| 2733 | for (i = 0; i < o->num_identity_files; i++) { |
| 2734 | free(o->identity_files[i]); |
| 2735 | sshkey_free(o->identity_keys[i]); |
| 2736 | } |
| 2737 | for (i = 0; i < o->num_certificate_files; i++) { |
| 2738 | free(o->certificate_files[i]); |
| 2739 | sshkey_free(o->certificates[i]); |
| 2740 | } |
| 2741 | free(o->identity_agent); |
| 2742 | for (i = 0; i < o->num_local_forwards; i++) { |
| 2743 | free(o->local_forwards[i].listen_host); |
| 2744 | free(o->local_forwards[i].listen_path); |
| 2745 | free(o->local_forwards[i].connect_host); |
| 2746 | free(o->local_forwards[i].connect_path); |
| 2747 | } |
| 2748 | free(o->local_forwards); |
| 2749 | for (i = 0; i < o->num_remote_forwards; i++) { |
| 2750 | free(o->remote_forwards[i].listen_host); |
| 2751 | free(o->remote_forwards[i].listen_path); |
| 2752 | free(o->remote_forwards[i].connect_host); |
| 2753 | free(o->remote_forwards[i].connect_path); |
| 2754 | } |
| 2755 | free(o->remote_forwards); |
| 2756 | free(o->stdio_forward_host); |
| 2757 | FREE_ARRAY(int, o->num_send_env, o->send_env); |
| 2758 | free(o->send_env); |
| 2759 | FREE_ARRAY(int, o->num_setenv, o->setenv); |
| 2760 | free(o->setenv); |
| 2761 | free(o->control_path); |
| 2762 | free(o->local_command); |
| 2763 | free(o->remote_command); |
| 2764 | FREE_ARRAY(int, o->num_canonical_domains, o->canonical_domains); |
| 2765 | for (i = 0; i < o->num_permitted_cnames; i++) { |
| 2766 | free(o->permitted_cnames[i].source_list); |
| 2767 | free(o->permitted_cnames[i].target_list); |
| 2768 | } |
| 2769 | free(o->revoked_host_keys); |
| 2770 | free(o->hostbased_accepted_algos); |
| 2771 | free(o->pubkey_accepted_algos); |
| 2772 | free(o->jump_user); |
| 2773 | free(o->jump_host); |
| 2774 | free(o->jump_extra); |
| 2775 | free(o->ignored_unknown); |
| 2776 | explicit_bzero(o, sizeof(*o)); |
| 2777 | #undef FREE_ARRAY |
| 2778 | } |
| 2779 | |
| 2780 | struct fwdarg { |
| 2781 | char *arg; |
| 2782 | int ispath; |
| 2783 | }; |
| 2784 | |
| 2785 | /* |
| 2786 | * parse_fwd_field |
| 2787 | * parses the next field in a port forwarding specification. |
| 2788 | * sets fwd to the parsed field and advances p past the colon |
| 2789 | * or sets it to NULL at end of string. |
| 2790 | * returns 0 on success, else non-zero. |
| 2791 | */ |
| 2792 | static int |
| 2793 | parse_fwd_field(char **p, struct fwdarg *fwd) |
| 2794 | { |
| 2795 | char *ep, *cp = *p; |
| 2796 | int ispath = 0; |
| 2797 | |
| 2798 | if (*cp == '\0') { |
| 2799 | *p = NULL((void *)0); |
| 2800 | return -1; /* end of string */ |
| 2801 | } |
| 2802 | |
| 2803 | /* |
| 2804 | * A field escaped with square brackets is used literally. |
| 2805 | * XXX - allow ']' to be escaped via backslash? |
| 2806 | */ |
| 2807 | if (*cp == '[') { |
| 2808 | /* find matching ']' */ |
| 2809 | for (ep = cp + 1; *ep != ']' && *ep != '\0'; ep++) { |
| 2810 | if (*ep == '/') |
| 2811 | ispath = 1; |
| 2812 | } |
| 2813 | /* no matching ']' or not at end of field. */ |
| 2814 | if (ep[0] != ']' || (ep[1] != ':' && ep[1] != '\0')) |
| 2815 | return -1; |
| 2816 | /* NUL terminate the field and advance p past the colon */ |
| 2817 | *ep++ = '\0'; |
| 2818 | if (*ep != '\0') |
| 2819 | *ep++ = '\0'; |
| 2820 | fwd->arg = cp + 1; |
| 2821 | fwd->ispath = ispath; |
| 2822 | *p = ep; |
| 2823 | return 0; |
| 2824 | } |
| 2825 | |
| 2826 | for (cp = *p; *cp != '\0'; cp++) { |
| 2827 | switch (*cp) { |
| 2828 | case '\\': |
| 2829 | memmove(cp, cp + 1, strlen(cp + 1) + 1); |
| 2830 | if (*cp == '\0') |
| 2831 | return -1; |
| 2832 | break; |
| 2833 | case '/': |
| 2834 | ispath = 1; |
| 2835 | break; |
| 2836 | case ':': |
| 2837 | *cp++ = '\0'; |
| 2838 | goto done; |
| 2839 | } |
| 2840 | } |
| 2841 | done: |
| 2842 | fwd->arg = *p; |
| 2843 | fwd->ispath = ispath; |
| 2844 | *p = cp; |
| 2845 | return 0; |
| 2846 | } |
| 2847 | |
| 2848 | /* |
| 2849 | * parse_forward |
| 2850 | * parses a string containing a port forwarding specification of the form: |
| 2851 | * dynamicfwd == 0 |
| 2852 | * [listenhost:]listenport|listenpath:connecthost:connectport|connectpath |
| 2853 | * listenpath:connectpath |
| 2854 | * dynamicfwd == 1 |
| 2855 | * [listenhost:]listenport |
| 2856 | * returns number of arguments parsed or zero on error |
| 2857 | */ |
| 2858 | int |
| 2859 | parse_forward(struct Forward *fwd, const char *fwdspec, int dynamicfwd, int remotefwd) |
| 2860 | { |
| 2861 | struct fwdarg fwdargs[4]; |
| 2862 | char *p, *cp; |
| 2863 | int i, err; |
| 2864 | |
| 2865 | memset(fwd, 0, sizeof(*fwd)); |
| 2866 | memset(fwdargs, 0, sizeof(fwdargs)); |
| 2867 | |
| 2868 | /* |
| 2869 | * We expand environment variables before checking if we think they're |
| 2870 | * paths so that if ${VAR} expands to a fully qualified path it is |
| 2871 | * treated as a path. |
| 2872 | */ |
| 2873 | cp = p = dollar_expand(&err, fwdspec); |
| 2874 | if (p == NULL((void *)0) || err) |
| 2875 | return 0; |
| 2876 | |
| 2877 | /* skip leading spaces */ |
| 2878 | while (isspace((u_char)*cp)) |
| 2879 | cp++; |
| 2880 | |
| 2881 | for (i = 0; i < 4; ++i) { |
| 2882 | if (parse_fwd_field(&cp, &fwdargs[i]) != 0) |
| 2883 | break; |
| 2884 | } |
| 2885 | |
| 2886 | /* Check for trailing garbage */ |
| 2887 | if (cp != NULL((void *)0) && *cp != '\0') { |
| 2888 | i = 0; /* failure */ |
| 2889 | } |
| 2890 | |
| 2891 | switch (i) { |
| 2892 | case 1: |
| 2893 | if (fwdargs[0].ispath) { |
| 2894 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 2895 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 2896 | } else { |
| 2897 | fwd->listen_host = NULL((void *)0); |
| 2898 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 2899 | } |
| 2900 | fwd->connect_host = xstrdup("socks"); |
| 2901 | break; |
| 2902 | |
| 2903 | case 2: |
| 2904 | if (fwdargs[0].ispath && fwdargs[1].ispath) { |
| 2905 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 2906 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 2907 | fwd->connect_path = xstrdup(fwdargs[1].arg); |
| 2908 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 2909 | } else if (fwdargs[1].ispath) { |
| 2910 | fwd->listen_host = NULL((void *)0); |
| 2911 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 2912 | fwd->connect_path = xstrdup(fwdargs[1].arg); |
| 2913 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 2914 | } else { |
| 2915 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 2916 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 2917 | fwd->connect_host = xstrdup("socks"); |
| 2918 | } |
| 2919 | break; |
| 2920 | |
| 2921 | case 3: |
| 2922 | if (fwdargs[0].ispath) { |
| 2923 | fwd->listen_path = xstrdup(fwdargs[0].arg); |
| 2924 | fwd->listen_port = PORT_STREAMLOCAL-2; |
| 2925 | fwd->connect_host = xstrdup(fwdargs[1].arg); |
| 2926 | fwd->connect_port = a2port(fwdargs[2].arg); |
| 2927 | } else if (fwdargs[2].ispath) { |
| 2928 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 2929 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 2930 | fwd->connect_path = xstrdup(fwdargs[2].arg); |
| 2931 | fwd->connect_port = PORT_STREAMLOCAL-2; |
| 2932 | } else { |
| 2933 | fwd->listen_host = NULL((void *)0); |
| 2934 | fwd->listen_port = a2port(fwdargs[0].arg); |
| 2935 | fwd->connect_host = xstrdup(fwdargs[1].arg); |
| 2936 | fwd->connect_port = a2port(fwdargs[2].arg); |
| 2937 | } |
| 2938 | break; |
| 2939 | |
| 2940 | case 4: |
| 2941 | fwd->listen_host = xstrdup(fwdargs[0].arg); |
| 2942 | fwd->listen_port = a2port(fwdargs[1].arg); |
| 2943 | fwd->connect_host = xstrdup(fwdargs[2].arg); |
| 2944 | fwd->connect_port = a2port(fwdargs[3].arg); |
| 2945 | break; |
| 2946 | default: |
| 2947 | i = 0; /* failure */ |
| 2948 | } |
| 2949 | |
| 2950 | free(p); |
| 2951 | |
| 2952 | if (dynamicfwd) { |
| 2953 | if (!(i == 1 || i == 2)) |
| 2954 | goto fail_free; |
| 2955 | } else { |
| 2956 | if (!(i == 3 || i == 4)) { |
| 2957 | if (fwd->connect_path == NULL((void *)0) && |
| 2958 | fwd->listen_path == NULL((void *)0)) |
| 2959 | goto fail_free; |
| 2960 | } |
| 2961 | if (fwd->connect_port <= 0 && fwd->connect_path == NULL((void *)0)) |
| 2962 | goto fail_free; |
| 2963 | } |
| 2964 | |
| 2965 | if ((fwd->listen_port < 0 && fwd->listen_path == NULL((void *)0)) || |
| 2966 | (!remotefwd && fwd->listen_port == 0)) |
| 2967 | goto fail_free; |
| 2968 | if (fwd->connect_host != NULL((void *)0) && |
| 2969 | strlen(fwd->connect_host) >= NI_MAXHOST256) |
| 2970 | goto fail_free; |
| 2971 | /* |
| 2972 | * XXX - if connecting to a remote socket, max sun len may not |
| 2973 | * match this host |
| 2974 | */ |
| 2975 | if (fwd->connect_path != NULL((void *)0) && |
| 2976 | strlen(fwd->connect_path) >= PATH_MAX_SUN(sizeof((struct sockaddr_un *)0)->sun_path)) |
| 2977 | goto fail_free; |
| 2978 | if (fwd->listen_host != NULL((void *)0) && |
| 2979 | strlen(fwd->listen_host) >= NI_MAXHOST256) |
| 2980 | goto fail_free; |
| 2981 | if (fwd->listen_path != NULL((void *)0) && |
| 2982 | strlen(fwd->listen_path) >= PATH_MAX_SUN(sizeof((struct sockaddr_un *)0)->sun_path)) |
| 2983 | goto fail_free; |
| 2984 | |
| 2985 | return (i); |
| 2986 | |
| 2987 | fail_free: |
| 2988 | free(fwd->connect_host); |
| 2989 | fwd->connect_host = NULL((void *)0); |
| 2990 | free(fwd->connect_path); |
| 2991 | fwd->connect_path = NULL((void *)0); |
| 2992 | free(fwd->listen_host); |
| 2993 | fwd->listen_host = NULL((void *)0); |
| 2994 | free(fwd->listen_path); |
| 2995 | fwd->listen_path = NULL((void *)0); |
| 2996 | return (0); |
| 2997 | } |
| 2998 | |
| 2999 | int |
| 3000 | parse_jump(const char *s, Options *o, int active) |
| 3001 | { |
| 3002 | char *orig, *sdup, *cp; |
| 3003 | char *host = NULL((void *)0), *user = NULL((void *)0); |
| 3004 | int r, ret = -1, port = -1, first; |
| 3005 | |
| 3006 | active &= o->proxy_command == NULL((void *)0) && o->jump_host == NULL((void *)0); |
| 3007 | |
| 3008 | orig = sdup = xstrdup(s); |
| 3009 | |
| 3010 | /* Remove comment and trailing whitespace */ |
| 3011 | if ((cp = strchr(orig, '#')) != NULL((void *)0)) |
| 3012 | *cp = '\0'; |
| 3013 | rtrim(orig); |
| 3014 | |
| 3015 | first = active; |
| 3016 | do { |
| 3017 | if (strcasecmp(s, "none") == 0) |
| 3018 | break; |
| 3019 | if ((cp = strrchr(sdup, ',')) == NULL((void *)0)) |
| 3020 | cp = sdup; /* last */ |
| 3021 | else |
| 3022 | *cp++ = '\0'; |
| 3023 | |
| 3024 | if (first) { |
| 3025 | /* First argument and configuration is active */ |
| 3026 | r = parse_ssh_uri(cp, &user, &host, &port); |
| 3027 | if (r == -1 || (r == 1 && |
| 3028 | parse_user_host_port(cp, &user, &host, &port) != 0)) |
| 3029 | goto out; |
| 3030 | } else { |
| 3031 | /* Subsequent argument or inactive configuration */ |
| 3032 | r = parse_ssh_uri(cp, NULL((void *)0), NULL((void *)0), NULL((void *)0)); |
| 3033 | if (r == -1 || (r == 1 && |
| 3034 | parse_user_host_port(cp, NULL((void *)0), NULL((void *)0), NULL((void *)0)) != 0)) |
| 3035 | goto out; |
| 3036 | } |
| 3037 | first = 0; /* only check syntax for subsequent hosts */ |
| 3038 | } while (cp != sdup); |
| 3039 | /* success */ |
| 3040 | if (active) { |
| 3041 | if (strcasecmp(s, "none") == 0) { |
| 3042 | o->jump_host = xstrdup("none"); |
| 3043 | o->jump_port = 0; |
| 3044 | } else { |
| 3045 | o->jump_user = user; |
| 3046 | o->jump_host = host; |
| 3047 | o->jump_port = port; |
| 3048 | o->proxy_command = xstrdup("none"); |
| 3049 | user = host = NULL((void *)0); |
| 3050 | if ((cp = strrchr(s, ',')) != NULL((void *)0) && cp != s) { |
| 3051 | o->jump_extra = xstrdup(s); |
| 3052 | o->jump_extra[cp - s] = '\0'; |
| 3053 | } |
| 3054 | } |
| 3055 | } |
| 3056 | ret = 0; |
| 3057 | out: |
| 3058 | free(orig); |
| 3059 | free(user); |
| 3060 | free(host); |
| 3061 | return ret; |
| 3062 | } |
| 3063 | |
| 3064 | int |
| 3065 | parse_ssh_uri(const char *uri, char **userp, char **hostp, int *portp) |
| 3066 | { |
| 3067 | char *user = NULL((void *)0), *host = NULL((void *)0), *path = NULL((void *)0); |
| 3068 | int r, port; |
| 3069 | |
| 3070 | r = parse_uri("ssh", uri, &user, &host, &port, &path); |
| 3071 | if (r == 0 && path != NULL((void *)0)) |
| 3072 | r = -1; /* path not allowed */ |
| 3073 | if (r == 0) { |
| 3074 | if (userp != NULL((void *)0)) { |
| 3075 | *userp = user; |
| 3076 | user = NULL((void *)0); |
| 3077 | } |
| 3078 | if (hostp != NULL((void *)0)) { |
| 3079 | *hostp = host; |
| 3080 | host = NULL((void *)0); |
| 3081 | } |
| 3082 | if (portp != NULL((void *)0)) |
| 3083 | *portp = port; |
| 3084 | } |
| 3085 | free(user); |
| 3086 | free(host); |
| 3087 | free(path); |
| 3088 | return r; |
| 3089 | } |
| 3090 | |
| 3091 | /* XXX the following is a near-vebatim copy from servconf.c; refactor */ |
| 3092 | static const char * |
| 3093 | fmt_multistate_int(int val, const struct multistate *m) |
| 3094 | { |
| 3095 | u_int i; |
| 3096 | |
| 3097 | for (i = 0; m[i].key != NULL((void *)0); i++) { |
| 3098 | if (m[i].value == val) |
| 3099 | return m[i].key; |
| 3100 | } |
| 3101 | return "UNKNOWN"; |
| 3102 | } |
| 3103 | |
| 3104 | static const char * |
| 3105 | fmt_intarg(OpCodes code, int val) |
| 3106 | { |
| 3107 | if (val == -1) |
| 3108 | return "unset"; |
| 3109 | switch (code) { |
| 3110 | case oAddressFamily: |
| 3111 | return fmt_multistate_int(val, multistate_addressfamily); |
| 3112 | case oVerifyHostKeyDNS: |
| 3113 | case oUpdateHostkeys: |
| 3114 | return fmt_multistate_int(val, multistate_yesnoask); |
| 3115 | case oStrictHostKeyChecking: |
| 3116 | return fmt_multistate_int(val, multistate_strict_hostkey); |
| 3117 | case oControlMaster: |
| 3118 | return fmt_multistate_int(val, multistate_controlmaster); |
| 3119 | case oTunnel: |
| 3120 | return fmt_multistate_int(val, multistate_tunnel); |
| 3121 | case oRequestTTY: |
| 3122 | return fmt_multistate_int(val, multistate_requesttty); |
| 3123 | case oSessionType: |
| 3124 | return fmt_multistate_int(val, multistate_sessiontype); |
| 3125 | case oCanonicalizeHostname: |
| 3126 | return fmt_multistate_int(val, multistate_canonicalizehostname); |
| 3127 | case oAddKeysToAgent: |
| 3128 | return fmt_multistate_int(val, multistate_yesnoaskconfirm); |
| 3129 | case oPubkeyAuthentication: |
| 3130 | return fmt_multistate_int(val, multistate_pubkey_auth); |
| 3131 | case oFingerprintHash: |
| 3132 | return ssh_digest_alg_name(val); |
| 3133 | default: |
| 3134 | switch (val) { |
| 3135 | case 0: |
| 3136 | return "no"; |
| 3137 | case 1: |
| 3138 | return "yes"; |
| 3139 | default: |
| 3140 | return "UNKNOWN"; |
| 3141 | } |
| 3142 | } |
| 3143 | } |
| 3144 | |
| 3145 | static const char * |
| 3146 | lookup_opcode_name(OpCodes code) |
| 3147 | { |
| 3148 | u_int i; |
| 3149 | |
| 3150 | for (i = 0; keywords[i].name != NULL((void *)0); i++) |
| 3151 | if (keywords[i].opcode == code) |
| 3152 | return(keywords[i].name); |
| 3153 | return "UNKNOWN"; |
| 3154 | } |
| 3155 | |
| 3156 | static void |
| 3157 | dump_cfg_int(OpCodes code, int val) |
| 3158 | { |
| 3159 | printf("%s %d\n", lookup_opcode_name(code), val); |
| 3160 | } |
| 3161 | |
| 3162 | static void |
| 3163 | dump_cfg_fmtint(OpCodes code, int val) |
| 3164 | { |
| 3165 | printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val)); |
| 3166 | } |
| 3167 | |
| 3168 | static void |
| 3169 | dump_cfg_string(OpCodes code, const char *val) |
| 3170 | { |
| 3171 | if (val == NULL((void *)0)) |
| 3172 | return; |
| 3173 | printf("%s %s\n", lookup_opcode_name(code), val); |
| 3174 | } |
| 3175 | |
| 3176 | static void |
| 3177 | dump_cfg_strarray(OpCodes code, u_int count, char **vals) |
| 3178 | { |
| 3179 | u_int i; |
| 3180 | |
| 3181 | for (i = 0; i < count; i++) |
| 3182 | printf("%s %s\n", lookup_opcode_name(code), vals[i]); |
| 3183 | } |
| 3184 | |
| 3185 | static void |
| 3186 | dump_cfg_strarray_oneline(OpCodes code, u_int count, char **vals) |
| 3187 | { |
| 3188 | u_int i; |
| 3189 | |
| 3190 | printf("%s", lookup_opcode_name(code)); |
| 3191 | if (count == 0) |
| 3192 | printf(" none"); |
| 3193 | for (i = 0; i < count; i++) |
| 3194 | printf(" %s", vals[i]); |
| 3195 | printf("\n"); |
| 3196 | } |
| 3197 | |
| 3198 | static void |
| 3199 | dump_cfg_forwards(OpCodes code, u_int count, const struct Forward *fwds) |
| 3200 | { |
| 3201 | const struct Forward *fwd; |
| 3202 | u_int i; |
| 3203 | |
| 3204 | /* oDynamicForward */ |
| 3205 | for (i = 0; i < count; i++) { |
| 3206 | fwd = &fwds[i]; |
| 3207 | if (code == oDynamicForward && fwd->connect_host != NULL((void *)0) && |
| 3208 | strcmp(fwd->connect_host, "socks") != 0) |
| 3209 | continue; |
| 3210 | if (code == oLocalForward && fwd->connect_host != NULL((void *)0) && |
| 3211 | strcmp(fwd->connect_host, "socks") == 0) |
| 3212 | continue; |
| 3213 | printf("%s", lookup_opcode_name(code)); |
| 3214 | if (fwd->listen_port == PORT_STREAMLOCAL-2) |
| 3215 | printf(" %s", fwd->listen_path); |
| 3216 | else if (fwd->listen_host == NULL((void *)0)) |
| 3217 | printf(" %d", fwd->listen_port); |
| 3218 | else { |
| 3219 | printf(" [%s]:%d", |
| 3220 | fwd->listen_host, fwd->listen_port); |
| 3221 | } |
| 3222 | if (code != oDynamicForward) { |
| 3223 | if (fwd->connect_port == PORT_STREAMLOCAL-2) |
| 3224 | printf(" %s", fwd->connect_path); |
| 3225 | else if (fwd->connect_host == NULL((void *)0)) |
| 3226 | printf(" %d", fwd->connect_port); |
| 3227 | else { |
| 3228 | printf(" [%s]:%d", |
| 3229 | fwd->connect_host, fwd->connect_port); |
| 3230 | } |
| 3231 | } |
| 3232 | printf("\n"); |
| 3233 | } |
| 3234 | } |
| 3235 | |
| 3236 | void |
| 3237 | dump_client_config(Options *o, const char *host) |
| 3238 | { |
| 3239 | int i, r; |
| 3240 | char buf[8], *all_key; |
| 3241 | |
| 3242 | /* |
| 3243 | * Expand HostKeyAlgorithms name lists. This isn't handled in |
| 3244 | * fill_default_options() like the other algorithm lists because |
| 3245 | * the host key algorithms are by default dynamically chosen based |
| 3246 | * on the host's keys found in known_hosts. |
| 3247 | */ |
| 3248 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 3249 | if ((r = kex_assemble_names(&o->hostkeyalgorithms, kex_default_pk_alg(), |
| 3250 | all_key)) != 0) |
| 3251 | fatal_fr(r, "expand HostKeyAlgorithms")sshfatal("/usr/src/usr.bin/ssh/ssh/../readconf.c", __func__, 3251 , 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "expand HostKeyAlgorithms" ); |
| 3252 | free(all_key); |
| 3253 | |
| 3254 | /* Most interesting options first: user, host, port */ |
| 3255 | dump_cfg_string(oUser, o->user); |
| 3256 | dump_cfg_string(oHostname, host); |
| 3257 | dump_cfg_int(oPort, o->port); |
| 3258 | |
| 3259 | /* Flag options */ |
| 3260 | dump_cfg_fmtint(oAddressFamily, o->address_family); |
| 3261 | dump_cfg_fmtint(oBatchMode, o->batch_mode); |
| 3262 | dump_cfg_fmtint(oCanonicalizeFallbackLocal, o->canonicalize_fallback_local); |
| 3263 | dump_cfg_fmtint(oCanonicalizeHostname, o->canonicalize_hostname); |
| 3264 | dump_cfg_fmtint(oCheckHostIP, o->check_host_ip); |
| 3265 | dump_cfg_fmtint(oCompression, o->compression); |
| 3266 | dump_cfg_fmtint(oControlMaster, o->control_master); |
| 3267 | dump_cfg_fmtint(oEnableSSHKeysign, o->enable_ssh_keysign); |
| 3268 | dump_cfg_fmtint(oClearAllForwardings, o->clear_forwardings); |
| 3269 | dump_cfg_fmtint(oExitOnForwardFailure, o->exit_on_forward_failure); |
| 3270 | dump_cfg_fmtint(oFingerprintHash, o->fingerprint_hash); |
| 3271 | dump_cfg_fmtint(oForwardX11, o->forward_x11); |
| 3272 | dump_cfg_fmtint(oForwardX11Trusted, o->forward_x11_trusted); |
| 3273 | dump_cfg_fmtint(oGatewayPorts, o->fwd_opts.gateway_ports); |
| 3274 | #ifdef GSSAPI |
| 3275 | dump_cfg_fmtint(oGssAuthentication, o->gss_authentication); |
| 3276 | dump_cfg_fmtint(oGssDelegateCreds, o->gss_deleg_creds); |
| 3277 | #endif /* GSSAPI */ |
| 3278 | dump_cfg_fmtint(oHashKnownHosts, o->hash_known_hosts); |
| 3279 | dump_cfg_fmtint(oHostbasedAuthentication, o->hostbased_authentication); |
| 3280 | dump_cfg_fmtint(oIdentitiesOnly, o->identities_only); |
| 3281 | dump_cfg_fmtint(oKbdInteractiveAuthentication, o->kbd_interactive_authentication); |
| 3282 | dump_cfg_fmtint(oNoHostAuthenticationForLocalhost, o->no_host_authentication_for_localhost); |
| 3283 | dump_cfg_fmtint(oPasswordAuthentication, o->password_authentication); |
| 3284 | dump_cfg_fmtint(oPermitLocalCommand, o->permit_local_command); |
| 3285 | dump_cfg_fmtint(oProxyUseFdpass, o->proxy_use_fdpass); |
| 3286 | dump_cfg_fmtint(oPubkeyAuthentication, o->pubkey_authentication); |
| 3287 | dump_cfg_fmtint(oRequestTTY, o->request_tty); |
| 3288 | dump_cfg_fmtint(oSessionType, o->session_type); |
| 3289 | dump_cfg_fmtint(oStdinNull, o->stdin_null); |
| 3290 | dump_cfg_fmtint(oForkAfterAuthentication, o->fork_after_authentication); |
| 3291 | dump_cfg_fmtint(oStreamLocalBindUnlink, o->fwd_opts.streamlocal_bind_unlink); |
| 3292 | dump_cfg_fmtint(oStrictHostKeyChecking, o->strict_host_key_checking); |
| 3293 | dump_cfg_fmtint(oTCPKeepAlive, o->tcp_keep_alive); |
| 3294 | dump_cfg_fmtint(oTunnel, o->tun_open); |
| 3295 | dump_cfg_fmtint(oVerifyHostKeyDNS, o->verify_host_key_dns); |
| 3296 | dump_cfg_fmtint(oVisualHostKey, o->visual_host_key); |
| 3297 | dump_cfg_fmtint(oUpdateHostkeys, o->update_hostkeys); |
| 3298 | |
| 3299 | /* Integer options */ |
| 3300 | dump_cfg_int(oCanonicalizeMaxDots, o->canonicalize_max_dots); |
| 3301 | dump_cfg_int(oConnectionAttempts, o->connection_attempts); |
| 3302 | dump_cfg_int(oForwardX11Timeout, o->forward_x11_timeout); |
| 3303 | dump_cfg_int(oNumberOfPasswordPrompts, o->number_of_password_prompts); |
| 3304 | dump_cfg_int(oServerAliveCountMax, o->server_alive_count_max); |
| 3305 | dump_cfg_int(oServerAliveInterval, o->server_alive_interval); |
| 3306 | |
| 3307 | /* String options */ |
| 3308 | dump_cfg_string(oBindAddress, o->bind_address); |
| 3309 | dump_cfg_string(oBindInterface, o->bind_interface); |
| 3310 | dump_cfg_string(oCiphers, o->ciphers); |
| 3311 | dump_cfg_string(oControlPath, o->control_path); |
| 3312 | dump_cfg_string(oHostKeyAlgorithms, o->hostkeyalgorithms); |
| 3313 | dump_cfg_string(oHostKeyAlias, o->host_key_alias); |
| 3314 | dump_cfg_string(oHostbasedAcceptedAlgorithms, o->hostbased_accepted_algos); |
| 3315 | dump_cfg_string(oIdentityAgent, o->identity_agent); |
| 3316 | dump_cfg_string(oIgnoreUnknown, o->ignored_unknown); |
| 3317 | dump_cfg_string(oKbdInteractiveDevices, o->kbd_interactive_devices); |
| 3318 | dump_cfg_string(oKexAlgorithms, o->kex_algorithms); |
| 3319 | dump_cfg_string(oCASignatureAlgorithms, o->ca_sign_algorithms); |
| 3320 | dump_cfg_string(oLocalCommand, o->local_command); |
| 3321 | dump_cfg_string(oRemoteCommand, o->remote_command); |
| 3322 | dump_cfg_string(oLogLevel, log_level_name(o->log_level)); |
| 3323 | dump_cfg_string(oMacs, o->macs); |
| 3324 | #ifdef ENABLE_PKCS111 |
| 3325 | dump_cfg_string(oPKCS11Provider, o->pkcs11_provider); |
| 3326 | #endif |
| 3327 | dump_cfg_string(oSecurityKeyProvider, o->sk_provider); |
| 3328 | dump_cfg_string(oPreferredAuthentications, o->preferred_authentications); |
| 3329 | dump_cfg_string(oPubkeyAcceptedAlgorithms, o->pubkey_accepted_algos); |
| 3330 | dump_cfg_string(oRevokedHostKeys, o->revoked_host_keys); |
| 3331 | dump_cfg_string(oXAuthLocation, o->xauth_location); |
| 3332 | dump_cfg_string(oKnownHostsCommand, o->known_hosts_command); |
| 3333 | |
| 3334 | /* Forwards */ |
| 3335 | dump_cfg_forwards(oDynamicForward, o->num_local_forwards, o->local_forwards); |
| 3336 | dump_cfg_forwards(oLocalForward, o->num_local_forwards, o->local_forwards); |
| 3337 | dump_cfg_forwards(oRemoteForward, o->num_remote_forwards, o->remote_forwards); |
| 3338 | |
| 3339 | /* String array options */ |
| 3340 | dump_cfg_strarray(oIdentityFile, o->num_identity_files, o->identity_files); |
| 3341 | dump_cfg_strarray_oneline(oCanonicalDomains, o->num_canonical_domains, o->canonical_domains); |
| 3342 | dump_cfg_strarray(oCertificateFile, o->num_certificate_files, o->certificate_files); |
| 3343 | dump_cfg_strarray_oneline(oGlobalKnownHostsFile, o->num_system_hostfiles, o->system_hostfiles); |
| 3344 | dump_cfg_strarray_oneline(oUserKnownHostsFile, o->num_user_hostfiles, o->user_hostfiles); |
| 3345 | dump_cfg_strarray(oSendEnv, o->num_send_env, o->send_env); |
| 3346 | dump_cfg_strarray(oSetEnv, o->num_setenv, o->setenv); |
| 3347 | dump_cfg_strarray_oneline(oLogVerbose, |
| 3348 | o->num_log_verbose, o->log_verbose); |
| 3349 | |
| 3350 | /* Special cases */ |
| 3351 | |
| 3352 | /* PermitRemoteOpen */ |
| 3353 | if (o->num_permitted_remote_opens == 0) |
| 3354 | printf("%s any\n", lookup_opcode_name(oPermitRemoteOpen)); |
| 3355 | else |
| 3356 | dump_cfg_strarray_oneline(oPermitRemoteOpen, |
| 3357 | o->num_permitted_remote_opens, o->permitted_remote_opens); |
| 3358 | |
| 3359 | /* AddKeysToAgent */ |
| 3360 | if (o->add_keys_to_agent_lifespan <= 0) |
| 3361 | dump_cfg_fmtint(oAddKeysToAgent, o->add_keys_to_agent); |
| 3362 | else { |
| 3363 | printf("addkeystoagent%s %d\n", |
| 3364 | o->add_keys_to_agent == 3 ? " confirm" : "", |
| 3365 | o->add_keys_to_agent_lifespan); |
| 3366 | } |
| 3367 | |
| 3368 | /* oForwardAgent */ |
| 3369 | if (o->forward_agent_sock_path == NULL((void *)0)) |
| 3370 | dump_cfg_fmtint(oForwardAgent, o->forward_agent); |
| 3371 | else |
| 3372 | dump_cfg_string(oForwardAgent, o->forward_agent_sock_path); |
| 3373 | |
| 3374 | /* oConnectTimeout */ |
| 3375 | if (o->connection_timeout == -1) |
| 3376 | printf("connecttimeout none\n"); |
| 3377 | else |
| 3378 | dump_cfg_int(oConnectTimeout, o->connection_timeout); |
| 3379 | |
| 3380 | /* oTunnelDevice */ |
| 3381 | printf("tunneldevice"); |
| 3382 | if (o->tun_local == SSH_TUNID_ANY0x7fffffff) |
| 3383 | printf(" any"); |
| 3384 | else |
| 3385 | printf(" %d", o->tun_local); |
| 3386 | if (o->tun_remote == SSH_TUNID_ANY0x7fffffff) |
| 3387 | printf(":any"); |
| 3388 | else |
| 3389 | printf(":%d", o->tun_remote); |
| 3390 | printf("\n"); |
| 3391 | |
| 3392 | /* oCanonicalizePermittedCNAMEs */ |
| 3393 | printf("canonicalizePermittedcnames"); |
| 3394 | if (o->num_permitted_cnames == 0) |
| 3395 | printf(" none"); |
| 3396 | for (i = 0; i < o->num_permitted_cnames; i++) { |
| 3397 | printf(" %s:%s", o->permitted_cnames[i].source_list, |
| 3398 | o->permitted_cnames[i].target_list); |
| 3399 | } |
| 3400 | printf("\n"); |
| 3401 | |
| 3402 | /* oControlPersist */ |
| 3403 | if (o->control_persist == 0 || o->control_persist_timeout == 0) |
| 3404 | dump_cfg_fmtint(oControlPersist, o->control_persist); |
| 3405 | else |
| 3406 | dump_cfg_int(oControlPersist, o->control_persist_timeout); |
| 3407 | |
| 3408 | /* oEscapeChar */ |
| 3409 | if (o->escape_char == SSH_ESCAPECHAR_NONE-2) |
| 3410 | printf("escapechar none\n"); |
| 3411 | else { |
| 3412 | vis(buf, o->escape_char, VIS_WHITE(0x04 | 0x08 | 0x10), 0); |
| 3413 | printf("escapechar %s\n", buf); |
| 3414 | } |
| 3415 | |
| 3416 | /* oIPQoS */ |
| 3417 | printf("ipqos %s ", iptos2str(o->ip_qos_interactive)); |
| 3418 | printf("%s\n", iptos2str(o->ip_qos_bulk)); |
| 3419 | |
| 3420 | /* oRekeyLimit */ |
| 3421 | printf("rekeylimit %llu %d\n", |
| 3422 | (unsigned long long)o->rekey_limit, o->rekey_interval); |
| 3423 | |
| 3424 | /* oStreamLocalBindMask */ |
| 3425 | printf("streamlocalbindmask 0%o\n", |
| 3426 | o->fwd_opts.streamlocal_bind_mask); |
| 3427 | |
| 3428 | /* oLogFacility */ |
| 3429 | printf("syslogfacility %s\n", log_facility_name(o->log_facility)); |
| 3430 | |
| 3431 | /* oProxyCommand / oProxyJump */ |
| 3432 | if (o->jump_host == NULL((void *)0)) |
| 3433 | dump_cfg_string(oProxyCommand, o->proxy_command); |
| 3434 | else { |
| 3435 | /* Check for numeric addresses */ |
| 3436 | i = strchr(o->jump_host, ':') != NULL((void *)0) || |
| 3437 | strspn(o->jump_host, "1234567890.") == strlen(o->jump_host); |
| 3438 | snprintf(buf, sizeof(buf), "%d", o->jump_port); |
| 3439 | printf("proxyjump %s%s%s%s%s%s%s%s%s\n", |
| 3440 | /* optional additional jump spec */ |
| 3441 | o->jump_extra == NULL((void *)0) ? "" : o->jump_extra, |
| 3442 | o->jump_extra == NULL((void *)0) ? "" : ",", |
| 3443 | /* optional user */ |
| 3444 | o->jump_user == NULL((void *)0) ? "" : o->jump_user, |
| 3445 | o->jump_user == NULL((void *)0) ? "" : "@", |
| 3446 | /* opening [ if hostname is numeric */ |
| 3447 | i ? "[" : "", |
| 3448 | /* mandatory hostname */ |
| 3449 | o->jump_host, |
| 3450 | /* closing ] if hostname is numeric */ |
| 3451 | i ? "]" : "", |
| 3452 | /* optional port number */ |
| 3453 | o->jump_port <= 0 ? "" : ":", |
| 3454 | o->jump_port <= 0 ? "" : buf); |
| 3455 | } |
| 3456 | } |