| File: | src/usr.bin/ssh/sshd/../servconf.c |
| Warning: | line 2231, column 10 Although the value stored to 'port' is used in the enclosing expression, the value is never actually read from 'port' |
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| 1 | /* $OpenBSD: servconf.c,v 1.403 2023/10/11 22:42:26 djm Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
| 5 | * |
| 6 | * As far as I am concerned, the code I have written for this software |
| 7 | * can be used freely for any purpose. Any derived versions of this |
| 8 | * software must be clearly marked as such, and if the derived work is |
| 9 | * incompatible with the protocol description in the RFC file, it must be |
| 10 | * called by a name other than "ssh" or "Secure Shell". |
| 11 | */ |
| 12 | |
| 13 | #include <sys/types.h> |
| 14 | #include <sys/socket.h> |
| 15 | #include <sys/queue.h> |
| 16 | #include <sys/sysctl.h> |
| 17 | #include <sys/stat.h> |
| 18 | |
| 19 | #include <netinet/in.h> |
| 20 | #include <netinet/ip.h> |
| 21 | #include <net/route.h> |
| 22 | |
| 23 | #include <ctype.h> |
| 24 | #include <glob.h> |
| 25 | #include <netdb.h> |
| 26 | #include <pwd.h> |
| 27 | #include <stdio.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <string.h> |
| 30 | #include <signal.h> |
| 31 | #include <unistd.h> |
| 32 | #include <limits.h> |
| 33 | #include <stdarg.h> |
| 34 | #include <errno(*__errno()).h> |
| 35 | #include <util.h> |
| 36 | |
| 37 | #include "xmalloc.h" |
| 38 | #include "ssh.h" |
| 39 | #include "log.h" |
| 40 | #include "sshbuf.h" |
| 41 | #include "misc.h" |
| 42 | #include "servconf.h" |
| 43 | #include "pathnames.h" |
| 44 | #include "cipher.h" |
| 45 | #include "sshkey.h" |
| 46 | #include "kex.h" |
| 47 | #include "mac.h" |
| 48 | #include "match.h" |
| 49 | #include "channels.h" |
| 50 | #include "groupaccess.h" |
| 51 | #include "canohost.h" |
| 52 | #include "packet.h" |
| 53 | #include "ssherr.h" |
| 54 | #include "hostfile.h" |
| 55 | #include "auth.h" |
| 56 | #include "myproposal.h" |
| 57 | #include "digest.h" |
| 58 | |
| 59 | static void add_listen_addr(ServerOptions *, const char *, |
| 60 | const char *, int); |
| 61 | static void add_one_listen_addr(ServerOptions *, const char *, |
| 62 | const char *, int); |
| 63 | static void parse_server_config_depth(ServerOptions *options, |
| 64 | const char *filename, struct sshbuf *conf, struct include_list *includes, |
| 65 | struct connection_info *connectinfo, int flags, int *activep, int depth); |
| 66 | |
| 67 | /* Use of privilege separation or not */ |
| 68 | extern int use_privsep; |
| 69 | extern struct sshbuf *cfg; |
| 70 | |
| 71 | /* Initializes the server options to their default values. */ |
| 72 | |
| 73 | void |
| 74 | initialize_server_options(ServerOptions *options) |
| 75 | { |
| 76 | memset(options, 0, sizeof(*options)); |
| 77 | options->num_ports = 0; |
| 78 | options->ports_from_cmdline = 0; |
| 79 | options->queued_listen_addrs = NULL((void *)0); |
| 80 | options->num_queued_listens = 0; |
| 81 | options->listen_addrs = NULL((void *)0); |
| 82 | options->num_listen_addrs = 0; |
| 83 | options->address_family = -1; |
| 84 | options->routing_domain = NULL((void *)0); |
| 85 | options->num_host_key_files = 0; |
| 86 | options->num_host_cert_files = 0; |
| 87 | options->host_key_agent = NULL((void *)0); |
| 88 | options->pid_file = NULL((void *)0); |
| 89 | options->login_grace_time = -1; |
| 90 | options->permit_root_login = PERMIT_NOT_SET-1; |
| 91 | options->ignore_rhosts = -1; |
| 92 | options->ignore_user_known_hosts = -1; |
| 93 | options->print_motd = -1; |
| 94 | options->print_lastlog = -1; |
| 95 | options->x11_forwarding = -1; |
| 96 | options->x11_display_offset = -1; |
| 97 | options->x11_use_localhost = -1; |
| 98 | options->permit_tty = -1; |
| 99 | options->permit_user_rc = -1; |
| 100 | options->xauth_location = NULL((void *)0); |
| 101 | options->strict_modes = -1; |
| 102 | options->tcp_keep_alive = -1; |
| 103 | options->log_facility = SYSLOG_FACILITY_NOT_SET; |
| 104 | options->log_level = SYSLOG_LEVEL_NOT_SET; |
| 105 | options->num_log_verbose = 0; |
| 106 | options->log_verbose = NULL((void *)0); |
| 107 | options->hostbased_authentication = -1; |
| 108 | options->hostbased_uses_name_from_packet_only = -1; |
| 109 | options->hostbased_accepted_algos = NULL((void *)0); |
| 110 | options->hostkeyalgorithms = NULL((void *)0); |
| 111 | options->pubkey_authentication = -1; |
| 112 | options->pubkey_auth_options = -1; |
| 113 | options->pubkey_accepted_algos = NULL((void *)0); |
| 114 | options->kerberos_authentication = -1; |
| 115 | options->kerberos_or_local_passwd = -1; |
| 116 | options->kerberos_ticket_cleanup = -1; |
| 117 | options->kerberos_get_afs_token = -1; |
| 118 | options->gss_authentication=-1; |
| 119 | options->gss_cleanup_creds = -1; |
| 120 | options->gss_strict_acceptor = -1; |
| 121 | options->password_authentication = -1; |
| 122 | options->kbd_interactive_authentication = -1; |
| 123 | options->permit_empty_passwd = -1; |
| 124 | options->permit_user_env = -1; |
| 125 | options->permit_user_env_allowlist = NULL((void *)0); |
| 126 | options->compression = -1; |
| 127 | options->rekey_limit = -1; |
| 128 | options->rekey_interval = -1; |
| 129 | options->allow_tcp_forwarding = -1; |
| 130 | options->allow_streamlocal_forwarding = -1; |
| 131 | options->allow_agent_forwarding = -1; |
| 132 | options->num_allow_users = 0; |
| 133 | options->num_deny_users = 0; |
| 134 | options->num_allow_groups = 0; |
| 135 | options->num_deny_groups = 0; |
| 136 | options->ciphers = NULL((void *)0); |
| 137 | options->macs = NULL((void *)0); |
| 138 | options->kex_algorithms = NULL((void *)0); |
| 139 | options->ca_sign_algorithms = NULL((void *)0); |
| 140 | options->fwd_opts.gateway_ports = -1; |
| 141 | options->fwd_opts.streamlocal_bind_mask = (mode_t)-1; |
| 142 | options->fwd_opts.streamlocal_bind_unlink = -1; |
| 143 | options->num_subsystems = 0; |
| 144 | options->max_startups_begin = -1; |
| 145 | options->max_startups_rate = -1; |
| 146 | options->max_startups = -1; |
| 147 | options->per_source_max_startups = -1; |
| 148 | options->per_source_masklen_ipv4 = -1; |
| 149 | options->per_source_masklen_ipv6 = -1; |
| 150 | options->max_authtries = -1; |
| 151 | options->max_sessions = -1; |
| 152 | options->banner = NULL((void *)0); |
| 153 | options->use_dns = -1; |
| 154 | options->client_alive_interval = -1; |
| 155 | options->client_alive_count_max = -1; |
| 156 | options->num_authkeys_files = 0; |
| 157 | options->num_accept_env = 0; |
| 158 | options->num_setenv = 0; |
| 159 | options->permit_tun = -1; |
| 160 | options->permitted_opens = NULL((void *)0); |
| 161 | options->permitted_listens = NULL((void *)0); |
| 162 | options->adm_forced_command = NULL((void *)0); |
| 163 | options->chroot_directory = NULL((void *)0); |
| 164 | options->authorized_keys_command = NULL((void *)0); |
| 165 | options->authorized_keys_command_user = NULL((void *)0); |
| 166 | options->revoked_keys_file = NULL((void *)0); |
| 167 | options->sk_provider = NULL((void *)0); |
| 168 | options->trusted_user_ca_keys = NULL((void *)0); |
| 169 | options->authorized_principals_file = NULL((void *)0); |
| 170 | options->authorized_principals_command = NULL((void *)0); |
| 171 | options->authorized_principals_command_user = NULL((void *)0); |
| 172 | options->ip_qos_interactive = -1; |
| 173 | options->ip_qos_bulk = -1; |
| 174 | options->version_addendum = NULL((void *)0); |
| 175 | options->fingerprint_hash = -1; |
| 176 | options->disable_forwarding = -1; |
| 177 | options->expose_userauth_info = -1; |
| 178 | options->required_rsa_size = -1; |
| 179 | options->channel_timeouts = NULL((void *)0); |
| 180 | options->num_channel_timeouts = 0; |
| 181 | options->unused_connection_timeout = -1; |
| 182 | } |
| 183 | |
| 184 | /* Returns 1 if a string option is unset or set to "none" or 0 otherwise. */ |
| 185 | static int |
| 186 | option_clear_or_none(const char *o) |
| 187 | { |
| 188 | return o == NULL((void *)0) || strcasecmp(o, "none") == 0; |
| 189 | } |
| 190 | |
| 191 | static void |
| 192 | assemble_algorithms(ServerOptions *o) |
| 193 | { |
| 194 | char *all_cipher, *all_mac, *all_kex, *all_key, *all_sig; |
| 195 | char *def_cipher, *def_mac, *def_kex, *def_key, *def_sig; |
| 196 | int r; |
| 197 | |
| 198 | all_cipher = cipher_alg_list(',', 0); |
| 199 | all_mac = mac_alg_list(','); |
| 200 | all_kex = kex_alg_list(','); |
| 201 | all_key = sshkey_alg_list(0, 0, 1, ','); |
| 202 | all_sig = sshkey_alg_list(0, 1, 1, ','); |
| 203 | /* remove unsupported algos from default lists */ |
| 204 | def_cipher = match_filter_allowlist(KEX_SERVER_ENCRYPT"chacha20-poly1305@openssh.com," "aes128-ctr,aes192-ctr,aes256-ctr," "aes128-gcm@openssh.com,aes256-gcm@openssh.com", all_cipher); |
| 205 | def_mac = match_filter_allowlist(KEX_SERVER_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); |
| 206 | def_kex = match_filter_allowlist(KEX_SERVER_KEX"sntrup761x25519-sha512@openssh.com," "curve25519-sha256," "curve25519-sha256@libssh.org," "ecdh-sha2-nistp256," "ecdh-sha2-nistp384," "ecdh-sha2-nistp521," "diffie-hellman-group-exchange-sha256," "diffie-hellman-group16-sha512," "diffie-hellman-group18-sha512," "diffie-hellman-group14-sha256", all_kex); |
| 207 | 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); |
| 208 | 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); |
| 209 | #define ASSEMBLE(what, defaults, all) \ |
| 210 | do { \ |
| 211 | if ((r = kex_assemble_names(&o->what, defaults, all)) != 0) \ |
| 212 | fatal_fr(r, "%s", #what)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 212, 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "%s", #what); \ |
| 213 | } while (0) |
| 214 | ASSEMBLE(ciphers, def_cipher, all_cipher); |
| 215 | ASSEMBLE(macs, def_mac, all_mac); |
| 216 | ASSEMBLE(kex_algorithms, def_kex, all_kex); |
| 217 | ASSEMBLE(hostkeyalgorithms, def_key, all_key); |
| 218 | ASSEMBLE(hostbased_accepted_algos, def_key, all_key); |
| 219 | ASSEMBLE(pubkey_accepted_algos, def_key, all_key); |
| 220 | ASSEMBLE(ca_sign_algorithms, def_sig, all_sig); |
| 221 | #undef ASSEMBLE |
| 222 | free(all_cipher); |
| 223 | free(all_mac); |
| 224 | free(all_kex); |
| 225 | free(all_key); |
| 226 | free(all_sig); |
| 227 | free(def_cipher); |
| 228 | free(def_mac); |
| 229 | free(def_kex); |
| 230 | free(def_key); |
| 231 | free(def_sig); |
| 232 | } |
| 233 | |
| 234 | void |
| 235 | servconf_add_hostkey(const char *file, const int line, |
| 236 | ServerOptions *options, const char *path, int userprovided) |
| 237 | { |
| 238 | char *apath = derelativise_path(path); |
| 239 | |
| 240 | opt_array_append2(file, line, "HostKey", |
| 241 | &options->host_key_files, &options->host_key_file_userprovided, |
| 242 | &options->num_host_key_files, apath, userprovided); |
| 243 | free(apath); |
| 244 | } |
| 245 | |
| 246 | void |
| 247 | servconf_add_hostcert(const char *file, const int line, |
| 248 | ServerOptions *options, const char *path) |
| 249 | { |
| 250 | char *apath = derelativise_path(path); |
| 251 | |
| 252 | opt_array_append(file, line, "HostCertificate", |
| 253 | &options->host_cert_files, &options->num_host_cert_files, apath); |
| 254 | free(apath); |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | fill_default_server_options(ServerOptions *options) |
| 259 | { |
| 260 | u_int i; |
| 261 | |
| 262 | if (options->num_host_key_files == 0) { |
| 263 | /* fill default hostkeys */ |
| 264 | servconf_add_hostkey("[default]", 0, options, |
| 265 | _PATH_HOST_RSA_KEY_FILE"/etc" "/ssh" "/ssh_host_rsa_key", 0); |
| 266 | servconf_add_hostkey("[default]", 0, options, |
| 267 | _PATH_HOST_ECDSA_KEY_FILE"/etc" "/ssh" "/ssh_host_ecdsa_key", 0); |
| 268 | servconf_add_hostkey("[default]", 0, options, |
| 269 | _PATH_HOST_ED25519_KEY_FILE"/etc" "/ssh" "/ssh_host_ed25519_key", 0); |
| 270 | #ifdef WITH_XMSS |
| 271 | servconf_add_hostkey("[default]", 0, options, |
| 272 | _PATH_HOST_XMSS_KEY_FILE"/etc" "/ssh" "/ssh_host_xmss_key", 0); |
| 273 | #endif /* WITH_XMSS */ |
| 274 | } |
| 275 | /* No certificates by default */ |
| 276 | if (options->num_ports == 0) |
| 277 | options->ports[options->num_ports++] = SSH_DEFAULT_PORT22; |
| 278 | if (options->address_family == -1) |
| 279 | options->address_family = AF_UNSPEC0; |
| 280 | if (options->listen_addrs == NULL((void *)0)) |
| 281 | add_listen_addr(options, NULL((void *)0), NULL((void *)0), 0); |
| 282 | if (options->pid_file == NULL((void *)0)) |
| 283 | options->pid_file = xstrdup(_PATH_SSH_DAEMON_PID_FILE"/var/run" "/sshd.pid"); |
| 284 | if (options->moduli_file == NULL((void *)0)) |
| 285 | options->moduli_file = xstrdup(_PATH_DH_MODULI"/etc" "/moduli"); |
| 286 | if (options->login_grace_time == -1) |
| 287 | options->login_grace_time = 120; |
| 288 | if (options->permit_root_login == PERMIT_NOT_SET-1) |
| 289 | options->permit_root_login = PERMIT_NO_PASSWD2; |
| 290 | if (options->ignore_rhosts == -1) |
| 291 | options->ignore_rhosts = 1; |
| 292 | if (options->ignore_user_known_hosts == -1) |
| 293 | options->ignore_user_known_hosts = 0; |
| 294 | if (options->print_motd == -1) |
| 295 | options->print_motd = 1; |
| 296 | if (options->print_lastlog == -1) |
| 297 | options->print_lastlog = 1; |
| 298 | if (options->x11_forwarding == -1) |
| 299 | options->x11_forwarding = 0; |
| 300 | if (options->x11_display_offset == -1) |
| 301 | options->x11_display_offset = 10; |
| 302 | if (options->x11_use_localhost == -1) |
| 303 | options->x11_use_localhost = 1; |
| 304 | if (options->xauth_location == NULL((void *)0)) |
| 305 | options->xauth_location = xstrdup(_PATH_XAUTH"/usr/X11R6/bin/xauth"); |
| 306 | if (options->permit_tty == -1) |
| 307 | options->permit_tty = 1; |
| 308 | if (options->permit_user_rc == -1) |
| 309 | options->permit_user_rc = 1; |
| 310 | if (options->strict_modes == -1) |
| 311 | options->strict_modes = 1; |
| 312 | if (options->tcp_keep_alive == -1) |
| 313 | options->tcp_keep_alive = 1; |
| 314 | if (options->log_facility == SYSLOG_FACILITY_NOT_SET) |
| 315 | options->log_facility = SYSLOG_FACILITY_AUTH; |
| 316 | if (options->log_level == SYSLOG_LEVEL_NOT_SET) |
| 317 | options->log_level = SYSLOG_LEVEL_INFO; |
| 318 | if (options->hostbased_authentication == -1) |
| 319 | options->hostbased_authentication = 0; |
| 320 | if (options->hostbased_uses_name_from_packet_only == -1) |
| 321 | options->hostbased_uses_name_from_packet_only = 0; |
| 322 | if (options->pubkey_authentication == -1) |
| 323 | options->pubkey_authentication = 1; |
| 324 | if (options->pubkey_auth_options == -1) |
| 325 | options->pubkey_auth_options = 0; |
| 326 | if (options->kerberos_authentication == -1) |
| 327 | options->kerberos_authentication = 0; |
| 328 | if (options->kerberos_or_local_passwd == -1) |
| 329 | options->kerberos_or_local_passwd = 1; |
| 330 | if (options->kerberos_ticket_cleanup == -1) |
| 331 | options->kerberos_ticket_cleanup = 1; |
| 332 | if (options->kerberos_get_afs_token == -1) |
| 333 | options->kerberos_get_afs_token = 0; |
| 334 | if (options->gss_authentication == -1) |
| 335 | options->gss_authentication = 0; |
| 336 | if (options->gss_cleanup_creds == -1) |
| 337 | options->gss_cleanup_creds = 1; |
| 338 | if (options->gss_strict_acceptor == -1) |
| 339 | options->gss_strict_acceptor = 1; |
| 340 | if (options->password_authentication == -1) |
| 341 | options->password_authentication = 1; |
| 342 | if (options->kbd_interactive_authentication == -1) |
| 343 | options->kbd_interactive_authentication = 1; |
| 344 | if (options->permit_empty_passwd == -1) |
| 345 | options->permit_empty_passwd = 0; |
| 346 | if (options->permit_user_env == -1) { |
| 347 | options->permit_user_env = 0; |
| 348 | options->permit_user_env_allowlist = NULL((void *)0); |
| 349 | } |
| 350 | if (options->compression == -1) |
| 351 | #ifdef WITH_ZLIB1 |
| 352 | options->compression = COMP_DELAYED2; |
| 353 | #else |
| 354 | options->compression = COMP_NONE0; |
| 355 | #endif |
| 356 | |
| 357 | if (options->rekey_limit == -1) |
| 358 | options->rekey_limit = 0; |
| 359 | if (options->rekey_interval == -1) |
| 360 | options->rekey_interval = 0; |
| 361 | if (options->allow_tcp_forwarding == -1) |
| 362 | options->allow_tcp_forwarding = FORWARD_ALLOW((1)|(1<<1)); |
| 363 | if (options->allow_streamlocal_forwarding == -1) |
| 364 | options->allow_streamlocal_forwarding = FORWARD_ALLOW((1)|(1<<1)); |
| 365 | if (options->allow_agent_forwarding == -1) |
| 366 | options->allow_agent_forwarding = 1; |
| 367 | if (options->fwd_opts.gateway_ports == -1) |
| 368 | options->fwd_opts.gateway_ports = 0; |
| 369 | if (options->max_startups == -1) |
| 370 | options->max_startups = 100; |
| 371 | if (options->max_startups_rate == -1) |
| 372 | options->max_startups_rate = 30; /* 30% */ |
| 373 | if (options->max_startups_begin == -1) |
| 374 | options->max_startups_begin = 10; |
| 375 | if (options->per_source_max_startups == -1) |
| 376 | options->per_source_max_startups = INT_MAX0x7fffffff; |
| 377 | if (options->per_source_masklen_ipv4 == -1) |
| 378 | options->per_source_masklen_ipv4 = 32; |
| 379 | if (options->per_source_masklen_ipv6 == -1) |
| 380 | options->per_source_masklen_ipv6 = 128; |
| 381 | if (options->max_authtries == -1) |
| 382 | options->max_authtries = DEFAULT_AUTH_FAIL_MAX6; |
| 383 | if (options->max_sessions == -1) |
| 384 | options->max_sessions = DEFAULT_SESSIONS_MAX10; |
| 385 | if (options->use_dns == -1) |
| 386 | options->use_dns = 0; |
| 387 | if (options->client_alive_interval == -1) |
| 388 | options->client_alive_interval = 0; |
| 389 | if (options->client_alive_count_max == -1) |
| 390 | options->client_alive_count_max = 3; |
| 391 | if (options->num_authkeys_files == 0) { |
| 392 | opt_array_append("[default]", 0, "AuthorizedKeysFiles", |
| 393 | &options->authorized_keys_files, |
| 394 | &options->num_authkeys_files, |
| 395 | _PATH_SSH_USER_PERMITTED_KEYS".ssh" "/authorized_keys"); |
| 396 | opt_array_append("[default]", 0, "AuthorizedKeysFiles", |
| 397 | &options->authorized_keys_files, |
| 398 | &options->num_authkeys_files, |
| 399 | _PATH_SSH_USER_PERMITTED_KEYS2".ssh" "/authorized_keys2"); |
| 400 | } |
| 401 | if (options->permit_tun == -1) |
| 402 | options->permit_tun = SSH_TUNMODE_NO0x00; |
| 403 | if (options->ip_qos_interactive == -1) |
| 404 | options->ip_qos_interactive = IPTOS_DSCP_AF210x48; |
| 405 | if (options->ip_qos_bulk == -1) |
| 406 | options->ip_qos_bulk = IPTOS_DSCP_CS10x20; |
| 407 | if (options->version_addendum == NULL((void *)0)) |
| 408 | options->version_addendum = xstrdup(""); |
| 409 | if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1) |
| 410 | options->fwd_opts.streamlocal_bind_mask = 0177; |
| 411 | if (options->fwd_opts.streamlocal_bind_unlink == -1) |
| 412 | options->fwd_opts.streamlocal_bind_unlink = 0; |
| 413 | if (options->fingerprint_hash == -1) |
| 414 | options->fingerprint_hash = SSH_FP_HASH_DEFAULT2; |
| 415 | if (options->disable_forwarding == -1) |
| 416 | options->disable_forwarding = 0; |
| 417 | if (options->expose_userauth_info == -1) |
| 418 | options->expose_userauth_info = 0; |
| 419 | if (options->sk_provider == NULL((void *)0)) |
| 420 | options->sk_provider = xstrdup("internal"); |
| 421 | if (options->required_rsa_size == -1) |
| 422 | options->required_rsa_size = SSH_RSA_MINIMUM_MODULUS_SIZE1024; |
| 423 | if (options->unused_connection_timeout == -1) |
| 424 | options->unused_connection_timeout = 0; |
| 425 | |
| 426 | assemble_algorithms(options); |
| 427 | |
| 428 | /* Turn privilege separation and sandboxing on by default */ |
| 429 | if (use_privsep == -1) |
| 430 | use_privsep = PRIVSEP_ON1; |
| 431 | |
| 432 | #define CLEAR_ON_NONE(v) \ |
| 433 | do { \ |
| 434 | if (option_clear_or_none(v)) { \ |
| 435 | free(v); \ |
| 436 | v = NULL((void *)0); \ |
| 437 | } \ |
| 438 | } while(0) |
| 439 | #define CLEAR_ON_NONE_ARRAY(v, nv, none) \ |
| 440 | do { \ |
| 441 | if (options->nv == 1 && \ |
| 442 | strcasecmp(options->v[0], none) == 0) { \ |
| 443 | free(options->v[0]); \ |
| 444 | free(options->v); \ |
| 445 | options->v = NULL((void *)0); \ |
| 446 | options->nv = 0; \ |
| 447 | } \ |
| 448 | } while (0) |
| 449 | CLEAR_ON_NONE(options->pid_file); |
| 450 | CLEAR_ON_NONE(options->xauth_location); |
| 451 | CLEAR_ON_NONE(options->banner); |
| 452 | CLEAR_ON_NONE(options->trusted_user_ca_keys); |
| 453 | CLEAR_ON_NONE(options->revoked_keys_file); |
| 454 | CLEAR_ON_NONE(options->sk_provider); |
| 455 | CLEAR_ON_NONE(options->authorized_principals_file); |
| 456 | CLEAR_ON_NONE(options->adm_forced_command); |
| 457 | CLEAR_ON_NONE(options->chroot_directory); |
| 458 | CLEAR_ON_NONE(options->routing_domain); |
| 459 | CLEAR_ON_NONE(options->host_key_agent); |
| 460 | |
| 461 | for (i = 0; i < options->num_host_key_files; i++) |
| 462 | CLEAR_ON_NONE(options->host_key_files[i]); |
| 463 | for (i = 0; i < options->num_host_cert_files; i++) |
| 464 | CLEAR_ON_NONE(options->host_cert_files[i]); |
| 465 | |
| 466 | CLEAR_ON_NONE_ARRAY(channel_timeouts, num_channel_timeouts, "none"); |
| 467 | CLEAR_ON_NONE_ARRAY(auth_methods, num_auth_methods, "any"); |
| 468 | #undef CLEAR_ON_NONE |
| 469 | #undef CLEAR_ON_NONE_ARRAY |
| 470 | } |
| 471 | |
| 472 | /* Keyword tokens. */ |
| 473 | typedef enum { |
| 474 | sBadOption, /* == unknown option */ |
| 475 | sPort, sHostKeyFile, sLoginGraceTime, |
| 476 | sPermitRootLogin, sLogFacility, sLogLevel, sLogVerbose, |
| 477 | sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup, |
| 478 | sKerberosGetAFSToken, sPasswordAuthentication, |
| 479 | sKbdInteractiveAuthentication, sListenAddress, sAddressFamily, |
| 480 | sPrintMotd, sPrintLastLog, sIgnoreRhosts, |
| 481 | sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost, |
| 482 | sPermitTTY, sStrictModes, sEmptyPasswd, sTCPKeepAlive, |
| 483 | sPermitUserEnvironment, sAllowTcpForwarding, sCompression, |
| 484 | sRekeyLimit, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups, |
| 485 | sIgnoreUserKnownHosts, sCiphers, sMacs, sPidFile, sModuliFile, |
| 486 | sGatewayPorts, sPubkeyAuthentication, sPubkeyAcceptedAlgorithms, |
| 487 | sXAuthLocation, sSubsystem, sMaxStartups, sMaxAuthTries, sMaxSessions, |
| 488 | sBanner, sUseDNS, sHostbasedAuthentication, |
| 489 | sHostbasedUsesNameFromPacketOnly, sHostbasedAcceptedAlgorithms, |
| 490 | sHostKeyAlgorithms, sPerSourceMaxStartups, sPerSourceNetBlockSize, |
| 491 | sClientAliveInterval, sClientAliveCountMax, sAuthorizedKeysFile, |
| 492 | sGssAuthentication, sGssCleanupCreds, sGssStrictAcceptor, |
| 493 | sAcceptEnv, sSetEnv, sPermitTunnel, |
| 494 | sMatch, sPermitOpen, sPermitListen, sForceCommand, sChrootDirectory, |
| 495 | sUsePrivilegeSeparation, sAllowAgentForwarding, |
| 496 | sHostCertificate, sInclude, |
| 497 | sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile, |
| 498 | sAuthorizedPrincipalsCommand, sAuthorizedPrincipalsCommandUser, |
| 499 | sKexAlgorithms, sCASignatureAlgorithms, sIPQoS, sVersionAddendum, |
| 500 | sAuthorizedKeysCommand, sAuthorizedKeysCommandUser, |
| 501 | sAuthenticationMethods, sHostKeyAgent, sPermitUserRC, |
| 502 | sStreamLocalBindMask, sStreamLocalBindUnlink, |
| 503 | sAllowStreamLocalForwarding, sFingerprintHash, sDisableForwarding, |
| 504 | sExposeAuthInfo, sRDomain, sPubkeyAuthOptions, sSecurityKeyProvider, |
| 505 | sRequiredRSASize, sChannelTimeout, sUnusedConnectionTimeout, |
| 506 | sDeprecated, sIgnore, sUnsupported |
| 507 | } ServerOpCodes; |
| 508 | |
| 509 | #define SSHCFG_GLOBAL0x01 0x01 /* allowed in main section of config */ |
| 510 | #define SSHCFG_MATCH0x02 0x02 /* allowed inside a Match section */ |
| 511 | #define SSHCFG_ALL(0x01|0x02) (SSHCFG_GLOBAL0x01|SSHCFG_MATCH0x02) |
| 512 | #define SSHCFG_NEVERMATCH0x04 0x04 /* Match never matches; internal only */ |
| 513 | #define SSHCFG_MATCH_ONLY0x08 0x08 /* Match only in conditional blocks; internal only */ |
| 514 | |
| 515 | /* Textual representation of the tokens. */ |
| 516 | static struct { |
| 517 | const char *name; |
| 518 | ServerOpCodes opcode; |
| 519 | u_int flags; |
| 520 | } keywords[] = { |
| 521 | { "port", sPort, SSHCFG_GLOBAL0x01 }, |
| 522 | { "hostkey", sHostKeyFile, SSHCFG_GLOBAL0x01 }, |
| 523 | { "hostdsakey", sHostKeyFile, SSHCFG_GLOBAL0x01 }, /* alias */ |
| 524 | { "hostkeyagent", sHostKeyAgent, SSHCFG_GLOBAL0x01 }, |
| 525 | { "pidfile", sPidFile, SSHCFG_GLOBAL0x01 }, |
| 526 | { "modulifile", sModuliFile, SSHCFG_GLOBAL0x01 }, |
| 527 | { "serverkeybits", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 528 | { "logingracetime", sLoginGraceTime, SSHCFG_GLOBAL0x01 }, |
| 529 | { "keyregenerationinterval", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 530 | { "permitrootlogin", sPermitRootLogin, SSHCFG_ALL(0x01|0x02) }, |
| 531 | { "syslogfacility", sLogFacility, SSHCFG_GLOBAL0x01 }, |
| 532 | { "loglevel", sLogLevel, SSHCFG_ALL(0x01|0x02) }, |
| 533 | { "logverbose", sLogVerbose, SSHCFG_ALL(0x01|0x02) }, |
| 534 | { "rhostsauthentication", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 535 | { "rhostsrsaauthentication", sDeprecated, SSHCFG_ALL(0x01|0x02) }, |
| 536 | { "hostbasedauthentication", sHostbasedAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 537 | { "hostbasedusesnamefrompacketonly", sHostbasedUsesNameFromPacketOnly, SSHCFG_ALL(0x01|0x02) }, |
| 538 | { "hostbasedacceptedalgorithms", sHostbasedAcceptedAlgorithms, SSHCFG_ALL(0x01|0x02) }, |
| 539 | { "hostbasedacceptedkeytypes", sHostbasedAcceptedAlgorithms, SSHCFG_ALL(0x01|0x02) }, /* obsolete */ |
| 540 | { "hostkeyalgorithms", sHostKeyAlgorithms, SSHCFG_GLOBAL0x01 }, |
| 541 | { "rsaauthentication", sDeprecated, SSHCFG_ALL(0x01|0x02) }, |
| 542 | { "pubkeyauthentication", sPubkeyAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 543 | { "pubkeyacceptedalgorithms", sPubkeyAcceptedAlgorithms, SSHCFG_ALL(0x01|0x02) }, |
| 544 | { "pubkeyacceptedkeytypes", sPubkeyAcceptedAlgorithms, SSHCFG_ALL(0x01|0x02) }, /* obsolete */ |
| 545 | { "pubkeyauthoptions", sPubkeyAuthOptions, SSHCFG_ALL(0x01|0x02) }, |
| 546 | { "dsaauthentication", sPubkeyAuthentication, SSHCFG_GLOBAL0x01 }, /* alias */ |
| 547 | #ifdef KRB5 |
| 548 | { "kerberosauthentication", sKerberosAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 549 | { "kerberosorlocalpasswd", sKerberosOrLocalPasswd, SSHCFG_GLOBAL0x01 }, |
| 550 | { "kerberosticketcleanup", sKerberosTicketCleanup, SSHCFG_GLOBAL0x01 }, |
| 551 | { "kerberosgetafstoken", sKerberosGetAFSToken, SSHCFG_GLOBAL0x01 }, |
| 552 | #else |
| 553 | { "kerberosauthentication", sUnsupported, SSHCFG_ALL(0x01|0x02) }, |
| 554 | { "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 555 | { "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 556 | { "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 557 | #endif |
| 558 | { "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 559 | { "afstokenpassing", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 560 | #ifdef GSSAPI |
| 561 | { "gssapiauthentication", sGssAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 562 | { "gssapicleanupcredentials", sGssCleanupCreds, SSHCFG_GLOBAL0x01 }, |
| 563 | { "gssapistrictacceptorcheck", sGssStrictAcceptor, SSHCFG_GLOBAL0x01 }, |
| 564 | #else |
| 565 | { "gssapiauthentication", sUnsupported, SSHCFG_ALL(0x01|0x02) }, |
| 566 | { "gssapicleanupcredentials", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 567 | { "gssapistrictacceptorcheck", sUnsupported, SSHCFG_GLOBAL0x01 }, |
| 568 | #endif |
| 569 | { "passwordauthentication", sPasswordAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 570 | { "kbdinteractiveauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL(0x01|0x02) }, |
| 571 | { "challengeresponseauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL(0x01|0x02) }, /* alias */ |
| 572 | { "skeyauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL(0x01|0x02) }, /* alias */ |
| 573 | { "checkmail", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 574 | { "listenaddress", sListenAddress, SSHCFG_GLOBAL0x01 }, |
| 575 | { "addressfamily", sAddressFamily, SSHCFG_GLOBAL0x01 }, |
| 576 | { "printmotd", sPrintMotd, SSHCFG_GLOBAL0x01 }, |
| 577 | { "printlastlog", sPrintLastLog, SSHCFG_GLOBAL0x01 }, |
| 578 | { "ignorerhosts", sIgnoreRhosts, SSHCFG_ALL(0x01|0x02) }, |
| 579 | { "ignoreuserknownhosts", sIgnoreUserKnownHosts, SSHCFG_GLOBAL0x01 }, |
| 580 | { "x11forwarding", sX11Forwarding, SSHCFG_ALL(0x01|0x02) }, |
| 581 | { "x11displayoffset", sX11DisplayOffset, SSHCFG_ALL(0x01|0x02) }, |
| 582 | { "x11uselocalhost", sX11UseLocalhost, SSHCFG_ALL(0x01|0x02) }, |
| 583 | { "xauthlocation", sXAuthLocation, SSHCFG_GLOBAL0x01 }, |
| 584 | { "strictmodes", sStrictModes, SSHCFG_GLOBAL0x01 }, |
| 585 | { "permitemptypasswords", sEmptyPasswd, SSHCFG_ALL(0x01|0x02) }, |
| 586 | { "permituserenvironment", sPermitUserEnvironment, SSHCFG_GLOBAL0x01 }, |
| 587 | { "uselogin", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 588 | { "compression", sCompression, SSHCFG_GLOBAL0x01 }, |
| 589 | { "rekeylimit", sRekeyLimit, SSHCFG_ALL(0x01|0x02) }, |
| 590 | { "tcpkeepalive", sTCPKeepAlive, SSHCFG_GLOBAL0x01 }, |
| 591 | { "keepalive", sTCPKeepAlive, SSHCFG_GLOBAL0x01 }, /* obsolete alias */ |
| 592 | { "allowtcpforwarding", sAllowTcpForwarding, SSHCFG_ALL(0x01|0x02) }, |
| 593 | { "allowagentforwarding", sAllowAgentForwarding, SSHCFG_ALL(0x01|0x02) }, |
| 594 | { "allowusers", sAllowUsers, SSHCFG_ALL(0x01|0x02) }, |
| 595 | { "denyusers", sDenyUsers, SSHCFG_ALL(0x01|0x02) }, |
| 596 | { "allowgroups", sAllowGroups, SSHCFG_ALL(0x01|0x02) }, |
| 597 | { "denygroups", sDenyGroups, SSHCFG_ALL(0x01|0x02) }, |
| 598 | { "ciphers", sCiphers, SSHCFG_GLOBAL0x01 }, |
| 599 | { "macs", sMacs, SSHCFG_GLOBAL0x01 }, |
| 600 | { "protocol", sIgnore, SSHCFG_GLOBAL0x01 }, |
| 601 | { "gatewayports", sGatewayPorts, SSHCFG_ALL(0x01|0x02) }, |
| 602 | { "subsystem", sSubsystem, SSHCFG_ALL(0x01|0x02) }, |
| 603 | { "maxstartups", sMaxStartups, SSHCFG_GLOBAL0x01 }, |
| 604 | { "persourcemaxstartups", sPerSourceMaxStartups, SSHCFG_GLOBAL0x01 }, |
| 605 | { "persourcenetblocksize", sPerSourceNetBlockSize, SSHCFG_GLOBAL0x01 }, |
| 606 | { "maxauthtries", sMaxAuthTries, SSHCFG_ALL(0x01|0x02) }, |
| 607 | { "maxsessions", sMaxSessions, SSHCFG_ALL(0x01|0x02) }, |
| 608 | { "banner", sBanner, SSHCFG_ALL(0x01|0x02) }, |
| 609 | { "usedns", sUseDNS, SSHCFG_GLOBAL0x01 }, |
| 610 | { "verifyreversemapping", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 611 | { "reversemappingcheck", sDeprecated, SSHCFG_GLOBAL0x01 }, |
| 612 | { "clientaliveinterval", sClientAliveInterval, SSHCFG_ALL(0x01|0x02) }, |
| 613 | { "clientalivecountmax", sClientAliveCountMax, SSHCFG_ALL(0x01|0x02) }, |
| 614 | { "authorizedkeysfile", sAuthorizedKeysFile, SSHCFG_ALL(0x01|0x02) }, |
| 615 | { "authorizedkeysfile2", sDeprecated, SSHCFG_ALL(0x01|0x02) }, |
| 616 | { "useprivilegeseparation", sDeprecated, SSHCFG_GLOBAL0x01}, |
| 617 | { "acceptenv", sAcceptEnv, SSHCFG_ALL(0x01|0x02) }, |
| 618 | { "setenv", sSetEnv, SSHCFG_ALL(0x01|0x02) }, |
| 619 | { "permittunnel", sPermitTunnel, SSHCFG_ALL(0x01|0x02) }, |
| 620 | { "permittty", sPermitTTY, SSHCFG_ALL(0x01|0x02) }, |
| 621 | { "permituserrc", sPermitUserRC, SSHCFG_ALL(0x01|0x02) }, |
| 622 | { "match", sMatch, SSHCFG_ALL(0x01|0x02) }, |
| 623 | { "permitopen", sPermitOpen, SSHCFG_ALL(0x01|0x02) }, |
| 624 | { "permitlisten", sPermitListen, SSHCFG_ALL(0x01|0x02) }, |
| 625 | { "forcecommand", sForceCommand, SSHCFG_ALL(0x01|0x02) }, |
| 626 | { "chrootdirectory", sChrootDirectory, SSHCFG_ALL(0x01|0x02) }, |
| 627 | { "hostcertificate", sHostCertificate, SSHCFG_GLOBAL0x01 }, |
| 628 | { "revokedkeys", sRevokedKeys, SSHCFG_ALL(0x01|0x02) }, |
| 629 | { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL(0x01|0x02) }, |
| 630 | { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL(0x01|0x02) }, |
| 631 | { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL0x01 }, |
| 632 | { "include", sInclude, SSHCFG_ALL(0x01|0x02) }, |
| 633 | { "ipqos", sIPQoS, SSHCFG_ALL(0x01|0x02) }, |
| 634 | { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL(0x01|0x02) }, |
| 635 | { "authorizedkeyscommanduser", sAuthorizedKeysCommandUser, SSHCFG_ALL(0x01|0x02) }, |
| 636 | { "authorizedprincipalscommand", sAuthorizedPrincipalsCommand, SSHCFG_ALL(0x01|0x02) }, |
| 637 | { "authorizedprincipalscommanduser", sAuthorizedPrincipalsCommandUser, SSHCFG_ALL(0x01|0x02) }, |
| 638 | { "versionaddendum", sVersionAddendum, SSHCFG_GLOBAL0x01 }, |
| 639 | { "authenticationmethods", sAuthenticationMethods, SSHCFG_ALL(0x01|0x02) }, |
| 640 | { "streamlocalbindmask", sStreamLocalBindMask, SSHCFG_ALL(0x01|0x02) }, |
| 641 | { "streamlocalbindunlink", sStreamLocalBindUnlink, SSHCFG_ALL(0x01|0x02) }, |
| 642 | { "allowstreamlocalforwarding", sAllowStreamLocalForwarding, SSHCFG_ALL(0x01|0x02) }, |
| 643 | { "fingerprinthash", sFingerprintHash, SSHCFG_GLOBAL0x01 }, |
| 644 | { "disableforwarding", sDisableForwarding, SSHCFG_ALL(0x01|0x02) }, |
| 645 | { "exposeauthinfo", sExposeAuthInfo, SSHCFG_ALL(0x01|0x02) }, |
| 646 | { "rdomain", sRDomain, SSHCFG_ALL(0x01|0x02) }, |
| 647 | { "casignaturealgorithms", sCASignatureAlgorithms, SSHCFG_ALL(0x01|0x02) }, |
| 648 | { "securitykeyprovider", sSecurityKeyProvider, SSHCFG_GLOBAL0x01 }, |
| 649 | { "requiredrsasize", sRequiredRSASize, SSHCFG_ALL(0x01|0x02) }, |
| 650 | { "channeltimeout", sChannelTimeout, SSHCFG_ALL(0x01|0x02) }, |
| 651 | { "unusedconnectiontimeout", sUnusedConnectionTimeout, SSHCFG_ALL(0x01|0x02) }, |
| 652 | { NULL((void *)0), sBadOption, 0 } |
| 653 | }; |
| 654 | |
| 655 | static struct { |
| 656 | int val; |
| 657 | char *text; |
| 658 | } tunmode_desc[] = { |
| 659 | { SSH_TUNMODE_NO0x00, "no" }, |
| 660 | { SSH_TUNMODE_POINTOPOINT0x01, "point-to-point" }, |
| 661 | { SSH_TUNMODE_ETHERNET0x02, "ethernet" }, |
| 662 | { SSH_TUNMODE_YES(0x01|0x02), "yes" }, |
| 663 | { -1, NULL((void *)0) } |
| 664 | }; |
| 665 | |
| 666 | /* Returns an opcode name from its number */ |
| 667 | |
| 668 | static const char * |
| 669 | lookup_opcode_name(ServerOpCodes code) |
| 670 | { |
| 671 | u_int i; |
| 672 | |
| 673 | for (i = 0; keywords[i].name != NULL((void *)0); i++) |
| 674 | if (keywords[i].opcode == code) |
| 675 | return(keywords[i].name); |
| 676 | return "UNKNOWN"; |
| 677 | } |
| 678 | |
| 679 | |
| 680 | /* |
| 681 | * Returns the number of the token pointed to by cp or sBadOption. |
| 682 | */ |
| 683 | |
| 684 | static ServerOpCodes |
| 685 | parse_token(const char *cp, const char *filename, |
| 686 | int linenum, u_int *flags) |
| 687 | { |
| 688 | u_int i; |
| 689 | |
| 690 | for (i = 0; keywords[i].name; i++) |
| 691 | if (strcasecmp(cp, keywords[i].name) == 0) { |
| 692 | *flags = keywords[i].flags; |
| 693 | return keywords[i].opcode; |
| 694 | } |
| 695 | |
| 696 | error("%s: line %d: Bad configuration option: %s",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 697 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp) |
| 697 | filename, linenum, cp)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 697 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s: line %d: Bad configuration option: %s" , filename, linenum, cp); |
| 698 | return sBadOption; |
| 699 | } |
| 700 | |
| 701 | char * |
| 702 | derelativise_path(const char *path) |
| 703 | { |
| 704 | char *expanded, *ret, cwd[PATH_MAX1024]; |
| 705 | |
| 706 | if (strcasecmp(path, "none") == 0) |
| 707 | return xstrdup("none"); |
| 708 | expanded = tilde_expand_filename(path, getuid()); |
| 709 | if (path_absolute(expanded)) |
| 710 | return expanded; |
| 711 | if (getcwd(cwd, sizeof(cwd)) == NULL((void *)0)) |
| 712 | fatal_f("getcwd: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 712, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "getcwd: %s", strerror ((*__errno()))); |
| 713 | xasprintf(&ret, "%s/%s", cwd, expanded); |
| 714 | free(expanded); |
| 715 | return ret; |
| 716 | } |
| 717 | |
| 718 | static void |
| 719 | add_listen_addr(ServerOptions *options, const char *addr, |
| 720 | const char *rdomain, int port) |
| 721 | { |
| 722 | u_int i; |
| 723 | |
| 724 | if (port > 0) |
| 725 | add_one_listen_addr(options, addr, rdomain, port); |
| 726 | else { |
| 727 | for (i = 0; i < options->num_ports; i++) { |
| 728 | add_one_listen_addr(options, addr, rdomain, |
| 729 | options->ports[i]); |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | static void |
| 735 | add_one_listen_addr(ServerOptions *options, const char *addr, |
| 736 | const char *rdomain, int port) |
| 737 | { |
| 738 | struct addrinfo hints, *ai, *aitop; |
| 739 | char strport[NI_MAXSERV32]; |
| 740 | int gaierr; |
| 741 | u_int i; |
| 742 | |
| 743 | /* Find listen_addrs entry for this rdomain */ |
| 744 | for (i = 0; i < options->num_listen_addrs; i++) { |
| 745 | if (rdomain == NULL((void *)0) && options->listen_addrs[i].rdomain == NULL((void *)0)) |
| 746 | break; |
| 747 | if (rdomain == NULL((void *)0) || options->listen_addrs[i].rdomain == NULL((void *)0)) |
| 748 | continue; |
| 749 | if (strcmp(rdomain, options->listen_addrs[i].rdomain) == 0) |
| 750 | break; |
| 751 | } |
| 752 | if (i >= options->num_listen_addrs) { |
| 753 | /* No entry for this rdomain; allocate one */ |
| 754 | if (i >= INT_MAX0x7fffffff) |
| 755 | fatal_f("too many listen addresses")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 755, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "too many listen addresses" ); |
| 756 | options->listen_addrs = xrecallocarray(options->listen_addrs, |
| 757 | options->num_listen_addrs, options->num_listen_addrs + 1, |
| 758 | sizeof(*options->listen_addrs)); |
| 759 | i = options->num_listen_addrs++; |
| 760 | if (rdomain != NULL((void *)0)) |
| 761 | options->listen_addrs[i].rdomain = xstrdup(rdomain); |
| 762 | } |
| 763 | /* options->listen_addrs[i] points to the addresses for this rdomain */ |
| 764 | |
| 765 | memset(&hints, 0, sizeof(hints)); |
| 766 | hints.ai_family = options->address_family; |
| 767 | hints.ai_socktype = SOCK_STREAM1; |
| 768 | hints.ai_flags = (addr == NULL((void *)0)) ? AI_PASSIVE1 : 0; |
| 769 | snprintf(strport, sizeof strport, "%d", port); |
| 770 | if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0) |
| 771 | fatal("bad addr or host: %s (%s)",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 773, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "bad addr or host: %s (%s)" , addr ? addr : "<NULL>", ssh_gai_strerror(gaierr)) |
| 772 | addr ? addr : "<NULL>",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 773, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "bad addr or host: %s (%s)" , addr ? addr : "<NULL>", ssh_gai_strerror(gaierr)) |
| 773 | ssh_gai_strerror(gaierr))sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 773, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "bad addr or host: %s (%s)" , addr ? addr : "<NULL>", ssh_gai_strerror(gaierr)); |
| 774 | for (ai = aitop; ai->ai_next; ai = ai->ai_next) |
| 775 | ; |
| 776 | ai->ai_next = options->listen_addrs[i].addrs; |
| 777 | options->listen_addrs[i].addrs = aitop; |
| 778 | } |
| 779 | |
| 780 | /* Returns nonzero if the routing domain name is valid */ |
| 781 | static int |
| 782 | valid_rdomain(const char *name) |
| 783 | { |
| 784 | const char *errstr; |
| 785 | long long num; |
| 786 | struct rt_tableinfo info; |
| 787 | int mib[6]; |
| 788 | size_t miblen = sizeof(mib); |
| 789 | |
| 790 | if (name == NULL((void *)0)) |
| 791 | return 1; |
| 792 | |
| 793 | num = strtonum(name, 0, 255, &errstr); |
| 794 | if (errstr != NULL((void *)0)) |
| 795 | return 0; |
| 796 | |
| 797 | /* Check whether the table actually exists */ |
| 798 | memset(mib, 0, sizeof(mib)); |
| 799 | mib[0] = CTL_NET4; |
| 800 | mib[1] = PF_ROUTE17; |
| 801 | mib[4] = NET_RT_TABLE5; |
| 802 | mib[5] = (int)num; |
| 803 | if (sysctl(mib, 6, &info, &miblen, NULL((void *)0), 0) == -1) |
| 804 | return 0; |
| 805 | |
| 806 | return 1; |
| 807 | } |
| 808 | |
| 809 | /* |
| 810 | * Queue a ListenAddress to be processed once we have all of the Ports |
| 811 | * and AddressFamily options. |
| 812 | */ |
| 813 | static void |
| 814 | queue_listen_addr(ServerOptions *options, const char *addr, |
| 815 | const char *rdomain, int port) |
| 816 | { |
| 817 | struct queued_listenaddr *qla; |
| 818 | |
| 819 | options->queued_listen_addrs = xrecallocarray( |
| 820 | options->queued_listen_addrs, |
| 821 | options->num_queued_listens, options->num_queued_listens + 1, |
| 822 | sizeof(*options->queued_listen_addrs)); |
| 823 | qla = &options->queued_listen_addrs[options->num_queued_listens++]; |
| 824 | qla->addr = xstrdup(addr); |
| 825 | qla->port = port; |
| 826 | qla->rdomain = rdomain == NULL((void *)0) ? NULL((void *)0) : xstrdup(rdomain); |
| 827 | } |
| 828 | |
| 829 | /* |
| 830 | * Process queued (text) ListenAddress entries. |
| 831 | */ |
| 832 | static void |
| 833 | process_queued_listen_addrs(ServerOptions *options) |
| 834 | { |
| 835 | u_int i; |
| 836 | struct queued_listenaddr *qla; |
| 837 | |
| 838 | if (options->num_ports == 0) |
| 839 | options->ports[options->num_ports++] = SSH_DEFAULT_PORT22; |
| 840 | if (options->address_family == -1) |
| 841 | options->address_family = AF_UNSPEC0; |
| 842 | |
| 843 | for (i = 0; i < options->num_queued_listens; i++) { |
| 844 | qla = &options->queued_listen_addrs[i]; |
| 845 | add_listen_addr(options, qla->addr, qla->rdomain, qla->port); |
| 846 | free(qla->addr); |
| 847 | free(qla->rdomain); |
| 848 | } |
| 849 | free(options->queued_listen_addrs); |
| 850 | options->queued_listen_addrs = NULL((void *)0); |
| 851 | options->num_queued_listens = 0; |
| 852 | } |
| 853 | |
| 854 | /* |
| 855 | * Inform channels layer of permitopen options for a single forwarding |
| 856 | * direction (local/remote). |
| 857 | */ |
| 858 | static void |
| 859 | process_permitopen_list(struct ssh *ssh, ServerOpCodes opcode, |
| 860 | char **opens, u_int num_opens) |
| 861 | { |
| 862 | u_int i; |
| 863 | int port; |
| 864 | char *host, *arg, *oarg; |
| 865 | int where = opcode == sPermitOpen ? FORWARD_LOCAL(1<<1) : FORWARD_REMOTE(1); |
| 866 | const char *what = lookup_opcode_name(opcode); |
| 867 | |
| 868 | channel_clear_permission(ssh, FORWARD_ADM0x100, where); |
| 869 | if (num_opens == 0) |
| 870 | return; /* permit any */ |
| 871 | |
| 872 | /* handle keywords: "any" / "none" */ |
| 873 | if (num_opens == 1 && strcmp(opens[0], "any") == 0) |
| 874 | return; |
| 875 | if (num_opens == 1 && strcmp(opens[0], "none") == 0) { |
| 876 | channel_disable_admin(ssh, where); |
| 877 | return; |
| 878 | } |
| 879 | /* Otherwise treat it as a list of permitted host:port */ |
| 880 | for (i = 0; i < num_opens; i++) { |
| 881 | oarg = arg = xstrdup(opens[i]); |
| 882 | host = hpdelim(&arg); |
| 883 | if (host == NULL((void *)0)) |
| 884 | fatal_f("missing host in %s", what)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 884, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "missing host in %s" , what); |
| 885 | host = cleanhostname(host); |
| 886 | if (arg == NULL((void *)0) || ((port = permitopen_port(arg)) < 0)) |
| 887 | fatal_f("bad port number in %s", what)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 887, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "bad port number in %s" , what); |
| 888 | /* Send it to channels layer */ |
| 889 | channel_add_permission(ssh, FORWARD_ADM0x100, |
| 890 | where, host, port); |
| 891 | free(oarg); |
| 892 | } |
| 893 | } |
| 894 | |
| 895 | /* |
| 896 | * Inform channels layer of permitopen options from configuration. |
| 897 | */ |
| 898 | void |
| 899 | process_permitopen(struct ssh *ssh, ServerOptions *options) |
| 900 | { |
| 901 | process_permitopen_list(ssh, sPermitOpen, |
| 902 | options->permitted_opens, options->num_permitted_opens); |
| 903 | process_permitopen_list(ssh, sPermitListen, |
| 904 | options->permitted_listens, |
| 905 | options->num_permitted_listens); |
| 906 | } |
| 907 | |
| 908 | void |
| 909 | process_channel_timeouts(struct ssh *ssh, ServerOptions *options) |
| 910 | { |
| 911 | int secs; |
| 912 | u_int i; |
| 913 | char *type; |
| 914 | |
| 915 | debug3_f("setting %u timeouts", options->num_channel_timeouts)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 915 , 1, SYSLOG_LEVEL_DEBUG3, ((void *)0), "setting %u timeouts", options->num_channel_timeouts); |
| 916 | channel_clear_timeouts(ssh); |
| 917 | for (i = 0; i < options->num_channel_timeouts; i++) { |
| 918 | if (parse_pattern_interval(options->channel_timeouts[i], |
| 919 | &type, &secs) != 0) { |
| 920 | fatal_f("internal error: bad timeout %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 921, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "internal error: bad timeout %s" , options->channel_timeouts[i]) |
| 921 | options->channel_timeouts[i])sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 921, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "internal error: bad timeout %s" , options->channel_timeouts[i]); |
| 922 | } |
| 923 | channel_add_timeout(ssh, type, secs); |
| 924 | free(type); |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | struct connection_info * |
| 929 | get_connection_info(struct ssh *ssh, int populate, int use_dns) |
| 930 | { |
| 931 | static struct connection_info ci; |
| 932 | |
| 933 | if (ssh == NULL((void *)0) || !populate) |
| 934 | return &ci; |
| 935 | ci.host = auth_get_canonical_hostname(ssh, use_dns); |
| 936 | ci.address = ssh_remote_ipaddr(ssh); |
| 937 | ci.laddress = ssh_local_ipaddr(ssh); |
| 938 | ci.lport = ssh_local_port(ssh); |
| 939 | ci.rdomain = ssh_packet_rdomain_in(ssh); |
| 940 | return &ci; |
| 941 | } |
| 942 | |
| 943 | /* |
| 944 | * The strategy for the Match blocks is that the config file is parsed twice. |
| 945 | * |
| 946 | * The first time is at startup. activep is initialized to 1 and the |
| 947 | * directives in the global context are processed and acted on. Hitting a |
| 948 | * Match directive unsets activep and the directives inside the block are |
| 949 | * checked for syntax only. |
| 950 | * |
| 951 | * The second time is after a connection has been established but before |
| 952 | * authentication. activep is initialized to 2 and global config directives |
| 953 | * are ignored since they have already been processed. If the criteria in a |
| 954 | * Match block is met, activep is set and the subsequent directives |
| 955 | * processed and actioned until EOF or another Match block unsets it. Any |
| 956 | * options set are copied into the main server config. |
| 957 | * |
| 958 | * Potential additions/improvements: |
| 959 | * - Add Match support for pre-kex directives, eg. Ciphers. |
| 960 | * |
| 961 | * - Add a Tag directive (idea from David Leonard) ala pf, eg: |
| 962 | * Match Address 192.168.0.* |
| 963 | * Tag trusted |
| 964 | * Match Group wheel |
| 965 | * Tag trusted |
| 966 | * Match Tag trusted |
| 967 | * AllowTcpForwarding yes |
| 968 | * GatewayPorts clientspecified |
| 969 | * [...] |
| 970 | * |
| 971 | * - Add a PermittedChannelRequests directive |
| 972 | * Match Group shell |
| 973 | * PermittedChannelRequests session,forwarded-tcpip |
| 974 | */ |
| 975 | |
| 976 | static int |
| 977 | match_cfg_line_group(const char *grps, int line, const char *user) |
| 978 | { |
| 979 | int result = 0; |
| 980 | struct passwd *pw; |
| 981 | |
| 982 | if (user == NULL((void *)0)) |
| 983 | goto out; |
| 984 | |
| 985 | if ((pw = getpwnam(user)) == NULL((void *)0)) { |
| 986 | debug("Can't match group at line %d because user %.100s does "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 987 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Can't match group at line %d because user %.100s does " "not exist", line, user) |
| 987 | "not exist", line, user)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 987 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Can't match group at line %d because user %.100s does " "not exist", line, user); |
| 988 | } else if (ga_init(pw->pw_name, pw->pw_gid) == 0) { |
| 989 | debug("Can't Match group because user %.100s not in any group "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 990 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Can't Match group because user %.100s not in any group " "at line %d", user, line) |
| 990 | "at line %d", user, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 990 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "Can't Match group because user %.100s not in any group " "at line %d", user, line); |
| 991 | } else if (ga_match_pattern_list(grps) != 1) { |
| 992 | debug("user %.100s does not match group list %.100s at line %d",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 993 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s does not match group list %.100s at line %d" , user, grps, line) |
| 993 | user, grps, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 993 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s does not match group list %.100s at line %d" , user, grps, line); |
| 994 | } else { |
| 995 | debug("user %.100s matched group list %.100s at line %d", user,sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 996 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched group list %.100s at line %d" , user, grps, line) |
| 996 | grps, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 996 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched group list %.100s at line %d" , user, grps, line); |
| 997 | result = 1; |
| 998 | } |
| 999 | out: |
| 1000 | ga_free(); |
| 1001 | return result; |
| 1002 | } |
| 1003 | |
| 1004 | static void |
| 1005 | match_test_missing_fatal(const char *criteria, const char *attrib) |
| 1006 | { |
| 1007 | fatal("'Match %s' in configuration but '%s' not in connection "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1008, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "'Match %s' in configuration but '%s' not in connection " "test specification.", criteria, attrib) |
| 1008 | "test specification.", criteria, attrib)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1008, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "'Match %s' in configuration but '%s' not in connection " "test specification.", criteria, attrib); |
| 1009 | } |
| 1010 | |
| 1011 | /* |
| 1012 | * All of the attributes on a single Match line are ANDed together, so we need |
| 1013 | * to check every attribute and set the result to zero if any attribute does |
| 1014 | * not match. |
| 1015 | */ |
| 1016 | static int |
| 1017 | match_cfg_line(char **condition, int line, struct connection_info *ci) |
| 1018 | { |
| 1019 | int result = 1, attributes = 0, port; |
| 1020 | char *arg, *attrib, *cp = *condition; |
| 1021 | |
| 1022 | if (ci == NULL((void *)0)) |
| 1023 | debug3("checking syntax for 'Match %s'", cp)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1023 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking syntax for 'Match %s'" , cp); |
| 1024 | else |
| 1025 | debug3("checking match for '%s' user %s host %s addr %s "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1029 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking match for '%s' user %s host %s addr %s " "laddr %s lport %d", cp, ci->user ? ci->user : "(null)" , ci->host ? ci->host : "(null)", ci->address ? ci-> address : "(null)", ci->laddress ? ci->laddress : "(null)" , ci->lport) |
| 1026 | "laddr %s lport %d", cp, ci->user ? ci->user : "(null)",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1029 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking match for '%s' user %s host %s addr %s " "laddr %s lport %d", cp, ci->user ? ci->user : "(null)" , ci->host ? ci->host : "(null)", ci->address ? ci-> address : "(null)", ci->laddress ? ci->laddress : "(null)" , ci->lport) |
| 1027 | ci->host ? ci->host : "(null)",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1029 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking match for '%s' user %s host %s addr %s " "laddr %s lport %d", cp, ci->user ? ci->user : "(null)" , ci->host ? ci->host : "(null)", ci->address ? ci-> address : "(null)", ci->laddress ? ci->laddress : "(null)" , ci->lport) |
| 1028 | ci->address ? ci->address : "(null)",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1029 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking match for '%s' user %s host %s addr %s " "laddr %s lport %d", cp, ci->user ? ci->user : "(null)" , ci->host ? ci->host : "(null)", ci->address ? ci-> address : "(null)", ci->laddress ? ci->laddress : "(null)" , ci->lport) |
| 1029 | ci->laddress ? ci->laddress : "(null)", ci->lport)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1029 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "checking match for '%s' user %s host %s addr %s " "laddr %s lport %d", cp, ci->user ? ci->user : "(null)" , ci->host ? ci->host : "(null)", ci->address ? ci-> address : "(null)", ci->laddress ? ci->laddress : "(null)" , ci->lport); |
| 1030 | |
| 1031 | while ((attrib = strdelim(&cp)) && *attrib != '\0') { |
| 1032 | /* Terminate on comment */ |
| 1033 | if (*attrib == '#') { |
| 1034 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 1035 | break; |
| 1036 | } |
| 1037 | arg = NULL((void *)0); |
| 1038 | attributes++; |
| 1039 | /* Criterion "all" has no argument and must appear alone */ |
| 1040 | if (strcasecmp(attrib, "all") == 0) { |
| 1041 | if (attributes > 1 || ((arg = strdelim(&cp)) != NULL((void *)0) && |
| 1042 | *arg != '\0' && *arg != '#')) { |
| 1043 | error("'all' cannot be combined with other "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1044 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "'all' cannot be combined with other " "Match attributes") |
| 1044 | "Match attributes")sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1044 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "'all' cannot be combined with other " "Match attributes"); |
| 1045 | return -1; |
| 1046 | } |
| 1047 | if (arg != NULL((void *)0) && *arg == '#') |
| 1048 | cp = NULL((void *)0); /* mark all arguments consumed */ |
| 1049 | *condition = cp; |
| 1050 | return 1; |
| 1051 | } |
| 1052 | /* All other criteria require an argument */ |
| 1053 | if ((arg = strdelim(&cp)) == NULL((void *)0) || |
| 1054 | *arg == '\0' || *arg == '#') { |
| 1055 | error("Missing Match criteria for %s", attrib)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1055 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Missing Match criteria for %s" , attrib); |
| 1056 | return -1; |
| 1057 | } |
| 1058 | if (strcasecmp(attrib, "user") == 0) { |
| 1059 | if (ci == NULL((void *)0) || (ci->test && ci->user == NULL((void *)0))) { |
| 1060 | result = 0; |
| 1061 | continue; |
| 1062 | } |
| 1063 | if (ci->user == NULL((void *)0)) |
| 1064 | match_test_missing_fatal("User", "user"); |
| 1065 | if (match_usergroup_pattern_list(ci->user, arg) != 1) |
| 1066 | result = 0; |
| 1067 | else |
| 1068 | debug("user %.100s matched 'User %.100s' at "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1069 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched 'User %.100s' at " "line %d", ci->user, arg, line) |
| 1069 | "line %d", ci->user, arg, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1069 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched 'User %.100s' at " "line %d", ci->user, arg, line); |
| 1070 | } else if (strcasecmp(attrib, "group") == 0) { |
| 1071 | if (ci == NULL((void *)0) || (ci->test && ci->user == NULL((void *)0))) { |
| 1072 | result = 0; |
| 1073 | continue; |
| 1074 | } |
| 1075 | if (ci->user == NULL((void *)0)) |
| 1076 | match_test_missing_fatal("Group", "user"); |
| 1077 | switch (match_cfg_line_group(arg, line, ci->user)) { |
| 1078 | case -1: |
| 1079 | return -1; |
| 1080 | case 0: |
| 1081 | result = 0; |
| 1082 | } |
| 1083 | } else if (strcasecmp(attrib, "host") == 0) { |
| 1084 | if (ci == NULL((void *)0) || (ci->test && ci->host == NULL((void *)0))) { |
| 1085 | result = 0; |
| 1086 | continue; |
| 1087 | } |
| 1088 | if (ci->host == NULL((void *)0)) |
| 1089 | match_test_missing_fatal("Host", "host"); |
| 1090 | if (match_hostname(ci->host, arg) != 1) |
| 1091 | result = 0; |
| 1092 | else |
| 1093 | debug("connection from %.100s matched 'Host "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1094 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched 'Host " "%.100s' at line %d", ci->host, arg, line) |
| 1094 | "%.100s' at line %d", ci->host, arg, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1094 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched 'Host " "%.100s' at line %d", ci->host, arg, line); |
| 1095 | } else if (strcasecmp(attrib, "address") == 0) { |
| 1096 | if (ci == NULL((void *)0) || (ci->test && ci->address == NULL((void *)0))) { |
| 1097 | if (addr_match_list(NULL((void *)0), arg) != 0) |
| 1098 | fatal("Invalid Match address argument "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1099, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid Match address argument " "'%s' at line %d", arg, line) |
| 1099 | "'%s' at line %d", arg, line)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1099, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid Match address argument " "'%s' at line %d", arg, line); |
| 1100 | result = 0; |
| 1101 | continue; |
| 1102 | } |
| 1103 | if (ci->address == NULL((void *)0)) |
| 1104 | match_test_missing_fatal("Address", "addr"); |
| 1105 | switch (addr_match_list(ci->address, arg)) { |
| 1106 | case 1: |
| 1107 | debug("connection from %.100s matched 'Address "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1108 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched 'Address " "%.100s' at line %d", ci->address, arg, line) |
| 1108 | "%.100s' at line %d", ci->address, arg, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1108 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched 'Address " "%.100s' at line %d", ci->address, arg, line); |
| 1109 | break; |
| 1110 | case 0: |
| 1111 | case -1: |
| 1112 | result = 0; |
| 1113 | break; |
| 1114 | case -2: |
| 1115 | return -1; |
| 1116 | } |
| 1117 | } else if (strcasecmp(attrib, "localaddress") == 0){ |
| 1118 | if (ci == NULL((void *)0) || (ci->test && ci->laddress == NULL((void *)0))) { |
| 1119 | if (addr_match_list(NULL((void *)0), arg) != 0) |
| 1120 | fatal("Invalid Match localaddress "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1122, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid Match localaddress " "argument '%s' at line %d", arg, line) |
| 1121 | "argument '%s' at line %d", arg,sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1122, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid Match localaddress " "argument '%s' at line %d", arg, line) |
| 1122 | line)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1122, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid Match localaddress " "argument '%s' at line %d", arg, line); |
| 1123 | result = 0; |
| 1124 | continue; |
| 1125 | } |
| 1126 | if (ci->laddress == NULL((void *)0)) |
| 1127 | match_test_missing_fatal("LocalAddress", |
| 1128 | "laddr"); |
| 1129 | switch (addr_match_list(ci->laddress, arg)) { |
| 1130 | case 1: |
| 1131 | debug("connection from %.100s matched "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1133 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalAddress %.100s' at line %d", ci->laddress, arg, line ) |
| 1132 | "'LocalAddress %.100s' at line %d",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1133 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalAddress %.100s' at line %d", ci->laddress, arg, line ) |
| 1133 | ci->laddress, arg, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1133 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalAddress %.100s' at line %d", ci->laddress, arg, line ); |
| 1134 | break; |
| 1135 | case 0: |
| 1136 | case -1: |
| 1137 | result = 0; |
| 1138 | break; |
| 1139 | case -2: |
| 1140 | return -1; |
| 1141 | } |
| 1142 | } else if (strcasecmp(attrib, "localport") == 0) { |
| 1143 | if ((port = a2port(arg)) == -1) { |
| 1144 | error("Invalid LocalPort '%s' on Match line",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1145 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Invalid LocalPort '%s' on Match line" , arg) |
| 1145 | arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1145 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Invalid LocalPort '%s' on Match line" , arg); |
| 1146 | return -1; |
| 1147 | } |
| 1148 | if (ci == NULL((void *)0) || (ci->test && ci->lport == -1)) { |
| 1149 | result = 0; |
| 1150 | continue; |
| 1151 | } |
| 1152 | if (ci->lport == 0) |
| 1153 | match_test_missing_fatal("LocalPort", "lport"); |
| 1154 | /* TODO support port lists */ |
| 1155 | if (port == ci->lport) |
| 1156 | debug("connection from %.100s matched "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1158 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalPort %d' at line %d", ci->laddress, port, line) |
| 1157 | "'LocalPort %d' at line %d",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1158 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalPort %d' at line %d", ci->laddress, port, line) |
| 1158 | ci->laddress, port, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1158 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "connection from %.100s matched " "'LocalPort %d' at line %d", ci->laddress, port, line); |
| 1159 | else |
| 1160 | result = 0; |
| 1161 | } else if (strcasecmp(attrib, "rdomain") == 0) { |
| 1162 | if (ci == NULL((void *)0) || (ci->test && ci->rdomain == NULL((void *)0))) { |
| 1163 | result = 0; |
| 1164 | continue; |
| 1165 | } |
| 1166 | if (ci->rdomain == NULL((void *)0)) |
| 1167 | match_test_missing_fatal("RDomain", "rdomain"); |
| 1168 | if (match_pattern_list(ci->rdomain, arg, 0) != 1) |
| 1169 | result = 0; |
| 1170 | else |
| 1171 | debug("user %.100s matched 'RDomain %.100s' at "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1172 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched 'RDomain %.100s' at " "line %d", ci->rdomain, arg, line) |
| 1172 | "line %d", ci->rdomain, arg, line)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1172 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "user %.100s matched 'RDomain %.100s' at " "line %d", ci->rdomain, arg, line); |
| 1173 | } else { |
| 1174 | error("Unsupported Match attribute %s", attrib)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1174 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unsupported Match attribute %s" , attrib); |
| 1175 | return -1; |
| 1176 | } |
| 1177 | } |
| 1178 | if (attributes == 0) { |
| 1179 | error("One or more attributes required for Match")sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1179 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "One or more attributes required for Match" ); |
| 1180 | return -1; |
| 1181 | } |
| 1182 | if (ci != NULL((void *)0)) |
| 1183 | debug3("match %sfound", result ? "" : "not ")sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1183 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "match %sfound", result ? "" : "not "); |
| 1184 | *condition = cp; |
| 1185 | return result; |
| 1186 | } |
| 1187 | |
| 1188 | #define WHITESPACE" \t\r\n" " \t\r\n" |
| 1189 | |
| 1190 | /* Multistate option parsing */ |
| 1191 | struct multistate { |
| 1192 | char *key; |
| 1193 | int value; |
| 1194 | }; |
| 1195 | static const struct multistate multistate_flag[] = { |
| 1196 | { "yes", 1 }, |
| 1197 | { "no", 0 }, |
| 1198 | { NULL((void *)0), -1 } |
| 1199 | }; |
| 1200 | static const struct multistate multistate_ignore_rhosts[] = { |
| 1201 | { "yes", IGNORE_RHOSTS_YES1 }, |
| 1202 | { "no", IGNORE_RHOSTS_NO0 }, |
| 1203 | { "shosts-only", IGNORE_RHOSTS_SHOSTS2 }, |
| 1204 | { NULL((void *)0), -1 } |
| 1205 | }; |
| 1206 | static const struct multistate multistate_addressfamily[] = { |
| 1207 | { "inet", AF_INET2 }, |
| 1208 | { "inet6", AF_INET624 }, |
| 1209 | { "any", AF_UNSPEC0 }, |
| 1210 | { NULL((void *)0), -1 } |
| 1211 | }; |
| 1212 | static const struct multistate multistate_permitrootlogin[] = { |
| 1213 | { "without-password", PERMIT_NO_PASSWD2 }, |
| 1214 | { "prohibit-password", PERMIT_NO_PASSWD2 }, |
| 1215 | { "forced-commands-only", PERMIT_FORCED_ONLY1 }, |
| 1216 | { "yes", PERMIT_YES3 }, |
| 1217 | { "no", PERMIT_NO0 }, |
| 1218 | { NULL((void *)0), -1 } |
| 1219 | }; |
| 1220 | static const struct multistate multistate_compression[] = { |
| 1221 | #ifdef WITH_ZLIB1 |
| 1222 | { "yes", COMP_DELAYED2 }, |
| 1223 | { "delayed", COMP_DELAYED2 }, |
| 1224 | #endif |
| 1225 | { "no", COMP_NONE0 }, |
| 1226 | { NULL((void *)0), -1 } |
| 1227 | }; |
| 1228 | static const struct multistate multistate_gatewayports[] = { |
| 1229 | { "clientspecified", 2 }, |
| 1230 | { "yes", 1 }, |
| 1231 | { "no", 0 }, |
| 1232 | { NULL((void *)0), -1 } |
| 1233 | }; |
| 1234 | static const struct multistate multistate_tcpfwd[] = { |
| 1235 | { "yes", FORWARD_ALLOW((1)|(1<<1)) }, |
| 1236 | { "all", FORWARD_ALLOW((1)|(1<<1)) }, |
| 1237 | { "no", FORWARD_DENY0 }, |
| 1238 | { "remote", FORWARD_REMOTE(1) }, |
| 1239 | { "local", FORWARD_LOCAL(1<<1) }, |
| 1240 | { NULL((void *)0), -1 } |
| 1241 | }; |
| 1242 | |
| 1243 | static int |
| 1244 | process_server_config_line_depth(ServerOptions *options, char *line, |
| 1245 | const char *filename, int linenum, int *activep, |
| 1246 | struct connection_info *connectinfo, int *inc_flags, int depth, |
| 1247 | struct include_list *includes) |
| 1248 | { |
| 1249 | char *str, ***chararrayptr, **charptr, *arg, *arg2, *p, *keyword; |
| 1250 | int cmdline = 0, *intptr, value, value2, n, port, oactive, r, found; |
| 1251 | int ca_only = 0; |
| 1252 | SyslogFacility *log_facility_ptr; |
| 1253 | LogLevel *log_level_ptr; |
| 1254 | ServerOpCodes opcode; |
| 1255 | u_int i, *uintptr, uvalue, flags = 0; |
| 1256 | size_t len; |
| 1257 | long long val64; |
| 1258 | const struct multistate *multistate_ptr; |
| 1259 | const char *errstr; |
| 1260 | struct include_item *item; |
| 1261 | glob_t gbuf; |
| 1262 | char **oav = NULL((void *)0), **av; |
| 1263 | int oac = 0, ac; |
| 1264 | int ret = -1; |
| 1265 | |
| 1266 | /* Strip trailing whitespace. Allow \f (form feed) at EOL only */ |
| 1267 | if ((len = strlen(line)) == 0) |
| 1268 | return 0; |
| 1269 | for (len--; len > 0; len--) { |
| 1270 | if (strchr(WHITESPACE" \t\r\n" "\f", line[len]) == NULL((void *)0)) |
| 1271 | break; |
| 1272 | line[len] = '\0'; |
| 1273 | } |
| 1274 | |
| 1275 | str = line; |
| 1276 | if ((keyword = strdelim(&str)) == NULL((void *)0)) |
| 1277 | return 0; |
| 1278 | /* Ignore leading whitespace */ |
| 1279 | if (*keyword == '\0') |
| 1280 | keyword = strdelim(&str); |
| 1281 | if (!keyword || !*keyword || *keyword == '#') |
| 1282 | return 0; |
| 1283 | if (str == NULL((void *)0) || *str == '\0') { |
| 1284 | error("%s line %d: no argument after keyword \"%s\"",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1285 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword) |
| 1285 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1285 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: no argument after keyword \"%s\"" , filename, linenum, keyword); |
| 1286 | return -1; |
| 1287 | } |
| 1288 | intptr = NULL((void *)0); |
| 1289 | charptr = NULL((void *)0); |
| 1290 | opcode = parse_token(keyword, filename, linenum, &flags); |
| 1291 | |
| 1292 | if (argv_split(str, &oac, &oav, 1) != 0) { |
| 1293 | error("%s line %d: invalid quotes", filename, linenum)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1293 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: invalid quotes" , filename, linenum); |
| 1294 | return -1; |
| 1295 | } |
| 1296 | ac = oac; |
| 1297 | av = oav; |
| 1298 | |
| 1299 | if (activep == NULL((void *)0)) { /* We are processing a command line directive */ |
| 1300 | cmdline = 1; |
| 1301 | activep = &cmdline; |
| 1302 | } |
| 1303 | if (*activep && opcode != sMatch && opcode != sInclude) |
| 1304 | debug3("%s:%d setting %s %s", filename, linenum, keyword, str)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1304 , 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "%s:%d setting %s %s", filename, linenum, keyword, str); |
| 1305 | if (*activep == 0 && !(flags & SSHCFG_MATCH0x02)) { |
| 1306 | if (connectinfo == NULL((void *)0)) { |
| 1307 | fatal("%s line %d: Directive '%s' is not allowed "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1308, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Directive '%s' is not allowed " "within a Match block", filename, linenum, keyword) |
| 1308 | "within a Match block", filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1308, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Directive '%s' is not allowed " "within a Match block", filename, linenum, keyword); |
| 1309 | } else { /* this is a directive we have already processed */ |
| 1310 | ret = 0; |
| 1311 | goto out; |
| 1312 | } |
| 1313 | } |
| 1314 | |
| 1315 | switch (opcode) { |
| 1316 | case sBadOption: |
| 1317 | goto out; |
| 1318 | case sPort: |
| 1319 | /* ignore ports from configfile if cmdline specifies ports */ |
| 1320 | if (options->ports_from_cmdline) { |
| 1321 | argv_consume(&ac); |
| 1322 | break; |
| 1323 | } |
| 1324 | if (options->num_ports >= MAX_PORTS256) |
| 1325 | fatal("%s line %d: too many ports.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1326, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: too many ports." , filename, linenum) |
| 1326 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1326, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: too many ports." , filename, linenum); |
| 1327 | arg = argv_next(&ac, &av); |
| 1328 | if (!arg || *arg == '\0') |
| 1329 | fatal("%s line %d: missing port number.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1330, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing port number." , filename, linenum) |
| 1330 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1330, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing port number." , filename, linenum); |
| 1331 | options->ports[options->num_ports++] = a2port(arg); |
| 1332 | if (options->ports[options->num_ports-1] <= 0) |
| 1333 | fatal("%s line %d: Badly formatted port number.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1334, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Badly formatted port number." , filename, linenum) |
| 1334 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1334, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Badly formatted port number." , filename, linenum); |
| 1335 | break; |
| 1336 | |
| 1337 | case sLoginGraceTime: |
| 1338 | intptr = &options->login_grace_time; |
| 1339 | parse_time: |
| 1340 | arg = argv_next(&ac, &av); |
| 1341 | if (!arg || *arg == '\0') |
| 1342 | fatal("%s line %d: missing time value.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1343, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing time value." , filename, linenum) |
| 1343 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1343, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing time value." , filename, linenum); |
| 1344 | if ((value = convtime(arg)) == -1) |
| 1345 | fatal("%s line %d: invalid time value.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1346, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid time value." , filename, linenum) |
| 1346 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1346, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid time value." , filename, linenum); |
| 1347 | if (*activep && *intptr == -1) |
| 1348 | *intptr = value; |
| 1349 | break; |
| 1350 | |
| 1351 | case sListenAddress: |
| 1352 | arg = argv_next(&ac, &av); |
| 1353 | if (arg == NULL((void *)0) || *arg == '\0') |
| 1354 | fatal("%s line %d: missing address",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1355, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing address" , filename, linenum) |
| 1355 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1355, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing address" , filename, linenum); |
| 1356 | /* check for bare IPv6 address: no "[]" and 2 or more ":" */ |
| 1357 | if (strchr(arg, '[') == NULL((void *)0) && (p = strchr(arg, ':')) != NULL((void *)0) |
| 1358 | && strchr(p+1, ':') != NULL((void *)0)) { |
| 1359 | port = 0; |
| 1360 | p = arg; |
| 1361 | } else { |
| 1362 | arg2 = NULL((void *)0); |
| 1363 | p = hpdelim(&arg); |
| 1364 | if (p == NULL((void *)0)) |
| 1365 | fatal("%s line %d: bad address:port usage",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1366, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad address:port usage" , filename, linenum) |
| 1366 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1366, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad address:port usage" , filename, linenum); |
| 1367 | p = cleanhostname(p); |
| 1368 | if (arg == NULL((void *)0)) |
| 1369 | port = 0; |
| 1370 | else if ((port = a2port(arg)) <= 0) |
| 1371 | fatal("%s line %d: bad port number",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1372, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number" , filename, linenum) |
| 1372 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1372, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad port number" , filename, linenum); |
| 1373 | } |
| 1374 | /* Optional routing table */ |
| 1375 | arg2 = NULL((void *)0); |
| 1376 | if ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1377 | if (strcmp(arg, "rdomain") != 0 || |
| 1378 | (arg2 = argv_next(&ac, &av)) == NULL((void *)0)) |
| 1379 | fatal("%s line %d: bad ListenAddress syntax",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1380, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad ListenAddress syntax" , filename, linenum) |
| 1380 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1380, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad ListenAddress syntax" , filename, linenum); |
| 1381 | if (!valid_rdomain(arg2)) |
| 1382 | fatal("%s line %d: bad routing domain",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1383, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad routing domain" , filename, linenum) |
| 1383 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1383, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad routing domain" , filename, linenum); |
| 1384 | } |
| 1385 | queue_listen_addr(options, p, arg2, port); |
| 1386 | |
| 1387 | break; |
| 1388 | |
| 1389 | case sAddressFamily: |
| 1390 | intptr = &options->address_family; |
| 1391 | multistate_ptr = multistate_addressfamily; |
| 1392 | parse_multistate: |
| 1393 | arg = argv_next(&ac, &av); |
| 1394 | if (!arg || *arg == '\0') |
| 1395 | fatal("%s line %d: missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1396, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing argument." , filename, linenum) |
| 1396 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1396, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing argument." , filename, linenum); |
| 1397 | value = -1; |
| 1398 | for (i = 0; multistate_ptr[i].key != NULL((void *)0); i++) { |
| 1399 | if (strcasecmp(arg, multistate_ptr[i].key) == 0) { |
| 1400 | value = multistate_ptr[i].value; |
| 1401 | break; |
| 1402 | } |
| 1403 | } |
| 1404 | if (value == -1) |
| 1405 | fatal("%s line %d: unsupported option \"%s\".",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1406, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg) |
| 1406 | filename, linenum, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1406, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: unsupported option \"%s\"." , filename, linenum, arg); |
| 1407 | if (*activep && *intptr == -1) |
| 1408 | *intptr = value; |
| 1409 | break; |
| 1410 | |
| 1411 | case sHostKeyFile: |
| 1412 | arg = argv_next(&ac, &av); |
| 1413 | if (!arg || *arg == '\0') |
| 1414 | fatal("%s line %d: missing file name.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1415, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum) |
| 1415 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1415, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum); |
| 1416 | if (*activep) { |
| 1417 | servconf_add_hostkey(filename, linenum, |
| 1418 | options, arg, 1); |
| 1419 | } |
| 1420 | break; |
| 1421 | |
| 1422 | case sHostKeyAgent: |
| 1423 | charptr = &options->host_key_agent; |
| 1424 | arg = argv_next(&ac, &av); |
| 1425 | if (!arg || *arg == '\0') |
| 1426 | fatal("%s line %d: missing socket name.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1427, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing socket name." , filename, linenum) |
| 1427 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1427, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing socket name." , filename, linenum); |
| 1428 | if (*activep && *charptr == NULL((void *)0)) |
| 1429 | *charptr = !strcmp(arg, SSH_AUTHSOCKET_ENV_NAME"SSH_AUTH_SOCK") ? |
| 1430 | xstrdup(arg) : derelativise_path(arg); |
| 1431 | break; |
| 1432 | |
| 1433 | case sHostCertificate: |
| 1434 | arg = argv_next(&ac, &av); |
| 1435 | if (!arg || *arg == '\0') |
| 1436 | fatal("%s line %d: missing file name.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1437, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum) |
| 1437 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1437, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum); |
| 1438 | if (*activep) |
| 1439 | servconf_add_hostcert(filename, linenum, options, arg); |
| 1440 | break; |
| 1441 | |
| 1442 | case sPidFile: |
| 1443 | charptr = &options->pid_file; |
| 1444 | parse_filename: |
| 1445 | arg = argv_next(&ac, &av); |
| 1446 | if (!arg || *arg == '\0') |
| 1447 | fatal("%s line %d: missing file name.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1448, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum) |
| 1448 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1448, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing file name." , filename, linenum); |
| 1449 | if (*activep && *charptr == NULL((void *)0)) { |
| 1450 | *charptr = derelativise_path(arg); |
| 1451 | /* increase optional counter */ |
| 1452 | if (intptr != NULL((void *)0)) |
| 1453 | *intptr = *intptr + 1; |
| 1454 | } |
| 1455 | break; |
| 1456 | |
| 1457 | case sModuliFile: |
| 1458 | charptr = &options->moduli_file; |
| 1459 | goto parse_filename; |
| 1460 | |
| 1461 | case sPermitRootLogin: |
| 1462 | intptr = &options->permit_root_login; |
| 1463 | multistate_ptr = multistate_permitrootlogin; |
| 1464 | goto parse_multistate; |
| 1465 | |
| 1466 | case sIgnoreRhosts: |
| 1467 | intptr = &options->ignore_rhosts; |
| 1468 | multistate_ptr = multistate_ignore_rhosts; |
| 1469 | goto parse_multistate; |
| 1470 | |
| 1471 | case sIgnoreUserKnownHosts: |
| 1472 | intptr = &options->ignore_user_known_hosts; |
| 1473 | parse_flag: |
| 1474 | multistate_ptr = multistate_flag; |
| 1475 | goto parse_multistate; |
| 1476 | |
| 1477 | case sHostbasedAuthentication: |
| 1478 | intptr = &options->hostbased_authentication; |
| 1479 | goto parse_flag; |
| 1480 | |
| 1481 | case sHostbasedUsesNameFromPacketOnly: |
| 1482 | intptr = &options->hostbased_uses_name_from_packet_only; |
| 1483 | goto parse_flag; |
| 1484 | |
| 1485 | case sHostbasedAcceptedAlgorithms: |
| 1486 | charptr = &options->hostbased_accepted_algos; |
| 1487 | ca_only = 0; |
| 1488 | parse_pubkey_algos: |
| 1489 | arg = argv_next(&ac, &av); |
| 1490 | if (!arg || *arg == '\0') |
| 1491 | fatal("%s line %d: Missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1492, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing argument." , filename, linenum) |
| 1492 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1492, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing argument." , filename, linenum); |
| 1493 | if (*arg != '-' && |
| 1494 | !sshkey_names_valid2(*arg == '+' || *arg == '^' ? |
| 1495 | arg + 1 : arg, 1, ca_only)) |
| 1496 | fatal("%s line %d: Bad key types '%s'.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1497, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1497 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1497, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad key types '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1498 | if (*activep && *charptr == NULL((void *)0)) |
| 1499 | *charptr = xstrdup(arg); |
| 1500 | break; |
| 1501 | |
| 1502 | case sHostKeyAlgorithms: |
| 1503 | charptr = &options->hostkeyalgorithms; |
| 1504 | ca_only = 0; |
| 1505 | goto parse_pubkey_algos; |
| 1506 | |
| 1507 | case sCASignatureAlgorithms: |
| 1508 | charptr = &options->ca_sign_algorithms; |
| 1509 | ca_only = 1; |
| 1510 | goto parse_pubkey_algos; |
| 1511 | |
| 1512 | case sPubkeyAuthentication: |
| 1513 | intptr = &options->pubkey_authentication; |
| 1514 | ca_only = 0; |
| 1515 | goto parse_flag; |
| 1516 | |
| 1517 | case sPubkeyAcceptedAlgorithms: |
| 1518 | charptr = &options->pubkey_accepted_algos; |
| 1519 | ca_only = 0; |
| 1520 | goto parse_pubkey_algos; |
| 1521 | |
| 1522 | case sPubkeyAuthOptions: |
| 1523 | intptr = &options->pubkey_auth_options; |
| 1524 | value = 0; |
| 1525 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1526 | if (strcasecmp(arg, "none") == 0) |
| 1527 | continue; |
| 1528 | if (strcasecmp(arg, "touch-required") == 0) |
| 1529 | value |= PUBKEYAUTH_TOUCH_REQUIRED(1); |
| 1530 | else if (strcasecmp(arg, "verify-required") == 0) |
| 1531 | value |= PUBKEYAUTH_VERIFY_REQUIRED(1<<1); |
| 1532 | else { |
| 1533 | error("%s line %d: unsupported %s option %s",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1534 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported %s option %s" , filename, linenum, keyword, arg) |
| 1534 | filename, linenum, keyword, arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1534 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: unsupported %s option %s" , filename, linenum, keyword, arg); |
| 1535 | goto out; |
| 1536 | } |
| 1537 | } |
| 1538 | if (*activep && *intptr == -1) |
| 1539 | *intptr = value; |
| 1540 | break; |
| 1541 | |
| 1542 | case sKerberosAuthentication: |
| 1543 | intptr = &options->kerberos_authentication; |
| 1544 | goto parse_flag; |
| 1545 | |
| 1546 | case sKerberosOrLocalPasswd: |
| 1547 | intptr = &options->kerberos_or_local_passwd; |
| 1548 | goto parse_flag; |
| 1549 | |
| 1550 | case sKerberosTicketCleanup: |
| 1551 | intptr = &options->kerberos_ticket_cleanup; |
| 1552 | goto parse_flag; |
| 1553 | |
| 1554 | case sKerberosGetAFSToken: |
| 1555 | intptr = &options->kerberos_get_afs_token; |
| 1556 | goto parse_flag; |
| 1557 | |
| 1558 | case sGssAuthentication: |
| 1559 | intptr = &options->gss_authentication; |
| 1560 | goto parse_flag; |
| 1561 | |
| 1562 | case sGssCleanupCreds: |
| 1563 | intptr = &options->gss_cleanup_creds; |
| 1564 | goto parse_flag; |
| 1565 | |
| 1566 | case sGssStrictAcceptor: |
| 1567 | intptr = &options->gss_strict_acceptor; |
| 1568 | goto parse_flag; |
| 1569 | |
| 1570 | case sPasswordAuthentication: |
| 1571 | intptr = &options->password_authentication; |
| 1572 | goto parse_flag; |
| 1573 | |
| 1574 | case sKbdInteractiveAuthentication: |
| 1575 | intptr = &options->kbd_interactive_authentication; |
| 1576 | goto parse_flag; |
| 1577 | |
| 1578 | case sPrintMotd: |
| 1579 | intptr = &options->print_motd; |
| 1580 | goto parse_flag; |
| 1581 | |
| 1582 | case sPrintLastLog: |
| 1583 | intptr = &options->print_lastlog; |
| 1584 | goto parse_flag; |
| 1585 | |
| 1586 | case sX11Forwarding: |
| 1587 | intptr = &options->x11_forwarding; |
| 1588 | goto parse_flag; |
| 1589 | |
| 1590 | case sX11DisplayOffset: |
| 1591 | intptr = &options->x11_display_offset; |
| 1592 | parse_int: |
| 1593 | arg = argv_next(&ac, &av); |
| 1594 | if ((errstr = atoi_err(arg, &value)) != NULL((void *)0)) |
| 1595 | fatal("%s line %d: %s integer value %s.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1596, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s integer value %s." , filename, linenum, keyword, errstr) |
| 1596 | filename, linenum, keyword, errstr)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1596, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s integer value %s." , filename, linenum, keyword, errstr); |
| 1597 | if (*activep && *intptr == -1) |
| 1598 | *intptr = value; |
| 1599 | break; |
| 1600 | |
| 1601 | case sX11UseLocalhost: |
| 1602 | intptr = &options->x11_use_localhost; |
| 1603 | goto parse_flag; |
| 1604 | |
| 1605 | case sXAuthLocation: |
| 1606 | charptr = &options->xauth_location; |
| 1607 | goto parse_filename; |
| 1608 | |
| 1609 | case sPermitTTY: |
| 1610 | intptr = &options->permit_tty; |
| 1611 | goto parse_flag; |
| 1612 | |
| 1613 | case sPermitUserRC: |
| 1614 | intptr = &options->permit_user_rc; |
| 1615 | goto parse_flag; |
| 1616 | |
| 1617 | case sStrictModes: |
| 1618 | intptr = &options->strict_modes; |
| 1619 | goto parse_flag; |
| 1620 | |
| 1621 | case sTCPKeepAlive: |
| 1622 | intptr = &options->tcp_keep_alive; |
| 1623 | goto parse_flag; |
| 1624 | |
| 1625 | case sEmptyPasswd: |
| 1626 | intptr = &options->permit_empty_passwd; |
| 1627 | goto parse_flag; |
| 1628 | |
| 1629 | case sPermitUserEnvironment: |
| 1630 | intptr = &options->permit_user_env; |
| 1631 | charptr = &options->permit_user_env_allowlist; |
| 1632 | arg = argv_next(&ac, &av); |
| 1633 | if (!arg || *arg == '\0') |
| 1634 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1635, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1635 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1635, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1636 | value = 0; |
| 1637 | p = NULL((void *)0); |
| 1638 | if (strcmp(arg, "yes") == 0) |
| 1639 | value = 1; |
| 1640 | else if (strcmp(arg, "no") == 0) |
| 1641 | value = 0; |
| 1642 | else { |
| 1643 | /* Pattern-list specified */ |
| 1644 | value = 1; |
| 1645 | p = xstrdup(arg); |
| 1646 | } |
| 1647 | if (*activep && *intptr == -1) { |
| 1648 | *intptr = value; |
| 1649 | *charptr = p; |
| 1650 | p = NULL((void *)0); |
| 1651 | } |
| 1652 | free(p); |
| 1653 | break; |
| 1654 | |
| 1655 | case sCompression: |
| 1656 | intptr = &options->compression; |
| 1657 | multistate_ptr = multistate_compression; |
| 1658 | goto parse_multistate; |
| 1659 | |
| 1660 | case sRekeyLimit: |
| 1661 | arg = argv_next(&ac, &av); |
| 1662 | if (!arg || *arg == '\0') |
| 1663 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1664, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1664 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1664, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1665 | if (strcmp(arg, "default") == 0) { |
| 1666 | val64 = 0; |
| 1667 | } else { |
| 1668 | if (scan_scaled(arg, &val64) == -1) |
| 1669 | fatal("%.200s line %d: Bad %s number '%s': %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1671, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Bad %s number '%s': %s" , filename, linenum, keyword, arg, strerror((*__errno()))) |
| 1670 | filename, linenum, keyword,sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1671, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Bad %s number '%s': %s" , filename, linenum, keyword, arg, strerror((*__errno()))) |
| 1671 | arg, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1671, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Bad %s number '%s': %s" , filename, linenum, keyword, arg, strerror((*__errno()))); |
| 1672 | if (val64 != 0 && val64 < 16) |
| 1673 | fatal("%.200s line %d: %s too small",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1674, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: %s too small" , filename, linenum, keyword) |
| 1674 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1674, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: %s too small" , filename, linenum, keyword); |
| 1675 | } |
| 1676 | if (*activep && options->rekey_limit == -1) |
| 1677 | options->rekey_limit = val64; |
| 1678 | if (ac != 0) { /* optional rekey interval present */ |
| 1679 | if (strcmp(av[0], "none") == 0) { |
| 1680 | (void)argv_next(&ac, &av); /* discard */ |
| 1681 | break; |
| 1682 | } |
| 1683 | intptr = &options->rekey_interval; |
| 1684 | goto parse_time; |
| 1685 | } |
| 1686 | break; |
| 1687 | |
| 1688 | case sGatewayPorts: |
| 1689 | intptr = &options->fwd_opts.gateway_ports; |
| 1690 | multistate_ptr = multistate_gatewayports; |
| 1691 | goto parse_multistate; |
| 1692 | |
| 1693 | case sUseDNS: |
| 1694 | intptr = &options->use_dns; |
| 1695 | goto parse_flag; |
| 1696 | |
| 1697 | case sLogFacility: |
| 1698 | log_facility_ptr = &options->log_facility; |
| 1699 | arg = argv_next(&ac, &av); |
| 1700 | value = log_facility_number(arg); |
| 1701 | if (value == SYSLOG_FACILITY_NOT_SET) |
| 1702 | fatal("%.200s line %d: unsupported log facility '%s'",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1703, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1703 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1703, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: unsupported log facility '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1704 | if (*log_facility_ptr == -1) |
| 1705 | *log_facility_ptr = (SyslogFacility) value; |
| 1706 | break; |
| 1707 | |
| 1708 | case sLogLevel: |
| 1709 | log_level_ptr = &options->log_level; |
| 1710 | arg = argv_next(&ac, &av); |
| 1711 | value = log_level_number(arg); |
| 1712 | if (value == SYSLOG_LEVEL_NOT_SET) |
| 1713 | fatal("%.200s line %d: unsupported log level '%s'",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1714, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>") |
| 1714 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1714, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: unsupported log level '%s'" , filename, linenum, arg ? arg : "<NONE>"); |
| 1715 | if (*activep && *log_level_ptr == -1) |
| 1716 | *log_level_ptr = (LogLevel) value; |
| 1717 | break; |
| 1718 | |
| 1719 | case sLogVerbose: |
| 1720 | found = options->num_log_verbose == 0; |
| 1721 | i = 0; |
| 1722 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1723 | if (*arg == '\0') { |
| 1724 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1725 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1725 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1725 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1726 | goto out; |
| 1727 | } |
| 1728 | /* Allow "none" only in first position */ |
| 1729 | if (strcasecmp(arg, "none") == 0) { |
| 1730 | if (i > 0 || ac > 0) { |
| 1731 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1733 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1732 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1733 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 1733 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1733 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 1734 | goto out; |
| 1735 | } |
| 1736 | } |
| 1737 | i++; |
| 1738 | if (!found || !*activep) |
| 1739 | continue; |
| 1740 | opt_array_append(filename, linenum, keyword, |
| 1741 | &options->log_verbose, &options->num_log_verbose, |
| 1742 | arg); |
| 1743 | } |
| 1744 | break; |
| 1745 | |
| 1746 | case sAllowTcpForwarding: |
| 1747 | intptr = &options->allow_tcp_forwarding; |
| 1748 | multistate_ptr = multistate_tcpfwd; |
| 1749 | goto parse_multistate; |
| 1750 | |
| 1751 | case sAllowStreamLocalForwarding: |
| 1752 | intptr = &options->allow_streamlocal_forwarding; |
| 1753 | multistate_ptr = multistate_tcpfwd; |
| 1754 | goto parse_multistate; |
| 1755 | |
| 1756 | case sAllowAgentForwarding: |
| 1757 | intptr = &options->allow_agent_forwarding; |
| 1758 | goto parse_flag; |
| 1759 | |
| 1760 | case sDisableForwarding: |
| 1761 | intptr = &options->disable_forwarding; |
| 1762 | goto parse_flag; |
| 1763 | |
| 1764 | case sAllowUsers: |
| 1765 | chararrayptr = &options->allow_users; |
| 1766 | uintptr = &options->num_allow_users; |
| 1767 | parse_allowdenyusers: |
| 1768 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1769 | if (*arg == '\0' || |
| 1770 | match_user(NULL((void *)0), NULL((void *)0), NULL((void *)0), arg) == -1) |
| 1771 | fatal("%s line %d: invalid %s pattern: \"%s\"",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1772, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid %s pattern: \"%s\"" , filename, linenum, keyword, arg) |
| 1772 | filename, linenum, keyword, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1772, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid %s pattern: \"%s\"" , filename, linenum, keyword, arg); |
| 1773 | if (!*activep) |
| 1774 | continue; |
| 1775 | opt_array_append(filename, linenum, keyword, |
| 1776 | chararrayptr, uintptr, arg); |
| 1777 | } |
| 1778 | break; |
| 1779 | |
| 1780 | case sDenyUsers: |
| 1781 | chararrayptr = &options->deny_users; |
| 1782 | uintptr = &options->num_deny_users; |
| 1783 | goto parse_allowdenyusers; |
| 1784 | |
| 1785 | case sAllowGroups: |
| 1786 | chararrayptr = &options->allow_groups; |
| 1787 | uintptr = &options->num_allow_groups; |
| 1788 | parse_allowdenygroups: |
| 1789 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1790 | if (*arg == '\0') |
| 1791 | fatal("%s line %d: empty %s pattern",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1792, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: empty %s pattern" , filename, linenum, keyword) |
| 1792 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1792, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: empty %s pattern" , filename, linenum, keyword); |
| 1793 | if (!*activep) |
| 1794 | continue; |
| 1795 | opt_array_append(filename, linenum, keyword, |
| 1796 | chararrayptr, uintptr, arg); |
| 1797 | } |
| 1798 | break; |
| 1799 | |
| 1800 | case sDenyGroups: |
| 1801 | chararrayptr = &options->deny_groups; |
| 1802 | uintptr = &options->num_deny_groups; |
| 1803 | goto parse_allowdenygroups; |
| 1804 | |
| 1805 | case sCiphers: |
| 1806 | arg = argv_next(&ac, &av); |
| 1807 | if (!arg || *arg == '\0') |
| 1808 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1809, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1809 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1809, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1810 | if (*arg != '-' && |
| 1811 | !ciphers_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)) |
| 1812 | fatal("%s line %d: Bad SSH2 cipher spec '%s'.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1813, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1813 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1813, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 cipher spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1814 | if (options->ciphers == NULL((void *)0)) |
| 1815 | options->ciphers = xstrdup(arg); |
| 1816 | break; |
| 1817 | |
| 1818 | case sMacs: |
| 1819 | arg = argv_next(&ac, &av); |
| 1820 | if (!arg || *arg == '\0') |
| 1821 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1822, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1822 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1822, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1823 | if (*arg != '-' && |
| 1824 | !mac_valid(*arg == '+' || *arg == '^' ? arg + 1 : arg)) |
| 1825 | fatal("%s line %d: Bad SSH2 mac spec '%s'.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1826, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 mac spec '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1826 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1826, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 mac spec '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1827 | if (options->macs == NULL((void *)0)) |
| 1828 | options->macs = xstrdup(arg); |
| 1829 | break; |
| 1830 | |
| 1831 | case sKexAlgorithms: |
| 1832 | arg = argv_next(&ac, &av); |
| 1833 | if (!arg || *arg == '\0') |
| 1834 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1835, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1835 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1835, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1836 | if (*arg != '-' && |
| 1837 | !kex_names_valid(*arg == '+' || *arg == '^' ? |
| 1838 | arg + 1 : arg)) |
| 1839 | fatal("%s line %d: Bad SSH2 KexAlgorithms '%s'.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1840, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>") |
| 1840 | filename, linenum, arg ? arg : "<NONE>")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1840, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad SSH2 KexAlgorithms '%s'." , filename, linenum, arg ? arg : "<NONE>"); |
| 1841 | if (options->kex_algorithms == NULL((void *)0)) |
| 1842 | options->kex_algorithms = xstrdup(arg); |
| 1843 | break; |
| 1844 | |
| 1845 | case sSubsystem: |
| 1846 | arg = argv_next(&ac, &av); |
| 1847 | if (!arg || *arg == '\0') |
| 1848 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1849, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1849 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1849, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1850 | if (!*activep) { |
| 1851 | argv_consume(&ac); |
| 1852 | break; |
| 1853 | } |
| 1854 | found = 0; |
| 1855 | for (i = 0; i < options->num_subsystems; i++) { |
| 1856 | if (strcmp(arg, options->subsystem_name[i]) == 0) { |
| 1857 | found = 1; |
| 1858 | break; |
| 1859 | } |
| 1860 | } |
| 1861 | if (found) { |
| 1862 | debug("%s line %d: Subsystem '%s' already defined.",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1863 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Subsystem '%s' already defined." , filename, linenum, arg) |
| 1863 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1863 , 0, SYSLOG_LEVEL_DEBUG1, ((void *)0), "%s line %d: Subsystem '%s' already defined." , filename, linenum, arg); |
| 1864 | argv_consume(&ac); |
| 1865 | break; |
| 1866 | } |
| 1867 | options->subsystem_name = xrecallocarray( |
| 1868 | options->subsystem_name, options->num_subsystems, |
| 1869 | options->num_subsystems + 1, |
| 1870 | sizeof(*options->subsystem_name)); |
| 1871 | options->subsystem_command = xrecallocarray( |
| 1872 | options->subsystem_command, options->num_subsystems, |
| 1873 | options->num_subsystems + 1, |
| 1874 | sizeof(*options->subsystem_command)); |
| 1875 | options->subsystem_args = xrecallocarray( |
| 1876 | options->subsystem_args, options->num_subsystems, |
| 1877 | options->num_subsystems + 1, |
| 1878 | sizeof(*options->subsystem_args)); |
| 1879 | options->subsystem_name[options->num_subsystems] = xstrdup(arg); |
| 1880 | arg = argv_next(&ac, &av); |
| 1881 | if (!arg || *arg == '\0') { |
| 1882 | fatal("%s line %d: Missing subsystem command.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1883, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing subsystem command." , filename, linenum) |
| 1883 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1883, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing subsystem command." , filename, linenum); |
| 1884 | } |
| 1885 | options->subsystem_command[options->num_subsystems] = |
| 1886 | xstrdup(arg); |
| 1887 | /* Collect arguments (separate to executable) */ |
| 1888 | arg = argv_assemble(1, &arg); /* quote command correctly */ |
| 1889 | arg2 = argv_assemble(ac, av); /* rest of command */ |
| 1890 | xasprintf(&options->subsystem_args[options->num_subsystems], |
| 1891 | "%s %s", arg, arg2); |
| 1892 | free(arg2); |
| 1893 | argv_consume(&ac); |
| 1894 | options->num_subsystems++; |
| 1895 | break; |
| 1896 | |
| 1897 | case sMaxStartups: |
| 1898 | arg = argv_next(&ac, &av); |
| 1899 | if (!arg || *arg == '\0') |
| 1900 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1901, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1901 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1901, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1902 | if ((n = sscanf(arg, "%d:%d:%d", |
| 1903 | &options->max_startups_begin, |
| 1904 | &options->max_startups_rate, |
| 1905 | &options->max_startups)) == 3) { |
| 1906 | if (options->max_startups_begin > |
| 1907 | options->max_startups || |
| 1908 | options->max_startups_rate > 100 || |
| 1909 | options->max_startups_rate < 1) |
| 1910 | fatal("%s line %d: Invalid %s spec.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1911, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword) |
| 1911 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1911, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword); |
| 1912 | } else if (n != 1) |
| 1913 | fatal("%s line %d: Invalid %s spec.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1914, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword) |
| 1914 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1914, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword); |
| 1915 | else |
| 1916 | options->max_startups = options->max_startups_begin; |
| 1917 | if (options->max_startups <= 0 || |
| 1918 | options->max_startups_begin <= 0) |
| 1919 | fatal("%s line %d: Invalid %s spec.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1920, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword) |
| 1920 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1920, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword); |
| 1921 | break; |
| 1922 | |
| 1923 | case sPerSourceNetBlockSize: |
| 1924 | arg = argv_next(&ac, &av); |
| 1925 | if (!arg || *arg == '\0') |
| 1926 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1927, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1927 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1927, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1928 | switch (n = sscanf(arg, "%d:%d", &value, &value2)) { |
| 1929 | case 2: |
| 1930 | if (value2 < 0 || value2 > 128) |
| 1931 | n = -1; |
| 1932 | /* FALLTHROUGH */ |
| 1933 | case 1: |
| 1934 | if (value < 0 || value > 32) |
| 1935 | n = -1; |
| 1936 | } |
| 1937 | if (n != 1 && n != 2) |
| 1938 | fatal("%s line %d: Invalid %s spec.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1939, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword) |
| 1939 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1939, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s spec." , filename, linenum, keyword); |
| 1940 | if (*activep) { |
| 1941 | options->per_source_masklen_ipv4 = value; |
| 1942 | options->per_source_masklen_ipv6 = value2; |
| 1943 | } |
| 1944 | break; |
| 1945 | |
| 1946 | case sPerSourceMaxStartups: |
| 1947 | arg = argv_next(&ac, &av); |
| 1948 | if (!arg || *arg == '\0') |
| 1949 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1950, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 1950 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1950, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 1951 | if (strcmp(arg, "none") == 0) { /* no limit */ |
| 1952 | value = INT_MAX0x7fffffff; |
| 1953 | } else { |
| 1954 | if ((errstr = atoi_err(arg, &value)) != NULL((void *)0)) |
| 1955 | fatal("%s line %d: %s integer value %s.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1956, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s integer value %s." , filename, linenum, keyword, errstr) |
| 1956 | filename, linenum, keyword, errstr)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1956, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s integer value %s." , filename, linenum, keyword, errstr); |
| 1957 | } |
| 1958 | if (*activep && options->per_source_max_startups == -1) |
| 1959 | options->per_source_max_startups = value; |
| 1960 | break; |
| 1961 | |
| 1962 | case sMaxAuthTries: |
| 1963 | intptr = &options->max_authtries; |
| 1964 | goto parse_int; |
| 1965 | |
| 1966 | case sMaxSessions: |
| 1967 | intptr = &options->max_sessions; |
| 1968 | goto parse_int; |
| 1969 | |
| 1970 | case sBanner: |
| 1971 | charptr = &options->banner; |
| 1972 | goto parse_filename; |
| 1973 | |
| 1974 | /* |
| 1975 | * These options can contain %X options expanded at |
| 1976 | * connect time, so that you can specify paths like: |
| 1977 | * |
| 1978 | * AuthorizedKeysFile /etc/ssh_keys/%u |
| 1979 | */ |
| 1980 | case sAuthorizedKeysFile: |
| 1981 | uvalue = options->num_authkeys_files; |
| 1982 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 1983 | if (*arg == '\0') { |
| 1984 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1985 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 1985 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 1985 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 1986 | goto out; |
| 1987 | } |
| 1988 | arg2 = tilde_expand_filename(arg, getuid()); |
| 1989 | if (*activep && uvalue == 0) { |
| 1990 | opt_array_append(filename, linenum, keyword, |
| 1991 | &options->authorized_keys_files, |
| 1992 | &options->num_authkeys_files, arg2); |
| 1993 | } |
| 1994 | free(arg2); |
| 1995 | } |
| 1996 | break; |
| 1997 | |
| 1998 | case sAuthorizedPrincipalsFile: |
| 1999 | charptr = &options->authorized_principals_file; |
| 2000 | arg = argv_next(&ac, &av); |
| 2001 | if (!arg || *arg == '\0') |
| 2002 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2003, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2003 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2003, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2004 | if (*activep && *charptr == NULL((void *)0)) { |
| 2005 | *charptr = tilde_expand_filename(arg, getuid()); |
| 2006 | /* increase optional counter */ |
| 2007 | if (intptr != NULL((void *)0)) |
| 2008 | *intptr = *intptr + 1; |
| 2009 | } |
| 2010 | break; |
| 2011 | |
| 2012 | case sClientAliveInterval: |
| 2013 | intptr = &options->client_alive_interval; |
| 2014 | goto parse_time; |
| 2015 | |
| 2016 | case sClientAliveCountMax: |
| 2017 | intptr = &options->client_alive_count_max; |
| 2018 | goto parse_int; |
| 2019 | |
| 2020 | case sAcceptEnv: |
| 2021 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2022 | if (*arg == '\0' || strchr(arg, '=') != NULL((void *)0)) |
| 2023 | fatal("%s line %d: Invalid environment name.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2024, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum) |
| 2024 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2024, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid environment name." , filename, linenum); |
| 2025 | if (!*activep) |
| 2026 | continue; |
| 2027 | opt_array_append(filename, linenum, keyword, |
| 2028 | &options->accept_env, &options->num_accept_env, |
| 2029 | arg); |
| 2030 | } |
| 2031 | break; |
| 2032 | |
| 2033 | case sSetEnv: |
| 2034 | uvalue = options->num_setenv; |
| 2035 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2036 | if (*arg == '\0' || strchr(arg, '=') == NULL((void *)0)) |
| 2037 | fatal("%s line %d: Invalid environment.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2038, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid environment." , filename, linenum) |
| 2038 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2038, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid environment." , filename, linenum); |
| 2039 | if (!*activep || uvalue != 0) |
| 2040 | continue; |
| 2041 | if (lookup_setenv_in_list(arg, options->setenv, |
| 2042 | options->num_setenv) != NULL((void *)0)) { |
| 2043 | debug2("%s line %d: ignoring duplicate env "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2044 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: ignoring duplicate env " "name \"%.64s\"", filename, linenum, arg) |
| 2044 | "name \"%.64s\"", filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2044 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: ignoring duplicate env " "name \"%.64s\"", filename, linenum, arg); |
| 2045 | continue; |
| 2046 | } |
| 2047 | opt_array_append(filename, linenum, keyword, |
| 2048 | &options->setenv, &options->num_setenv, arg); |
| 2049 | } |
| 2050 | break; |
| 2051 | |
| 2052 | case sPermitTunnel: |
| 2053 | intptr = &options->permit_tun; |
| 2054 | arg = argv_next(&ac, &av); |
| 2055 | if (!arg || *arg == '\0') |
| 2056 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2057, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2057 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2057, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2058 | value = -1; |
| 2059 | for (i = 0; tunmode_desc[i].val != -1; i++) |
| 2060 | if (strcmp(tunmode_desc[i].text, arg) == 0) { |
| 2061 | value = tunmode_desc[i].val; |
| 2062 | break; |
| 2063 | } |
| 2064 | if (value == -1) |
| 2065 | fatal("%s line %d: bad %s argument %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2066, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad %s argument %s" , filename, linenum, keyword, arg) |
| 2066 | filename, linenum, keyword, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2066, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: bad %s argument %s" , filename, linenum, keyword, arg); |
| 2067 | if (*activep && *intptr == -1) |
| 2068 | *intptr = value; |
| 2069 | break; |
| 2070 | |
| 2071 | case sInclude: |
| 2072 | if (cmdline) { |
| 2073 | fatal("Include directive not supported as a "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2074, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Include directive not supported as a " "command-line option") |
| 2074 | "command-line option")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2074, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Include directive not supported as a " "command-line option"); |
| 2075 | } |
| 2076 | value = 0; |
| 2077 | while ((arg2 = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2078 | if (*arg2 == '\0') { |
| 2079 | error("%s line %d: keyword %s empty argument",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2080 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword) |
| 2080 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2080 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s empty argument" , filename, linenum, keyword); |
| 2081 | goto out; |
| 2082 | } |
| 2083 | value++; |
| 2084 | found = 0; |
| 2085 | if (*arg2 != '/' && *arg2 != '~') { |
| 2086 | xasprintf(&arg, "%s/%s", SSHDIR"/etc" "/ssh", arg2); |
| 2087 | } else |
| 2088 | arg = xstrdup(arg2); |
| 2089 | |
| 2090 | /* |
| 2091 | * Don't let included files clobber the containing |
| 2092 | * file's Match state. |
| 2093 | */ |
| 2094 | oactive = *activep; |
| 2095 | |
| 2096 | /* consult cache of include files */ |
| 2097 | TAILQ_FOREACH(item, includes, entry)for((item) = ((includes)->tqh_first); (item) != ((void *)0 ); (item) = ((item)->entry.tqe_next)) { |
| 2098 | if (strcmp(item->selector, arg) != 0) |
| 2099 | continue; |
| 2100 | if (item->filename != NULL((void *)0)) { |
| 2101 | parse_server_config_depth(options, |
| 2102 | item->filename, item->contents, |
| 2103 | includes, connectinfo, |
| 2104 | (*inc_flags & SSHCFG_MATCH_ONLY0x08 |
| 2105 | ? SSHCFG_MATCH_ONLY0x08 : (oactive |
| 2106 | ? 0 : SSHCFG_NEVERMATCH0x04)), |
| 2107 | activep, depth + 1); |
| 2108 | } |
| 2109 | found = 1; |
| 2110 | *activep = oactive; |
| 2111 | } |
| 2112 | if (found != 0) { |
| 2113 | free(arg); |
| 2114 | continue; |
| 2115 | } |
| 2116 | |
| 2117 | /* requested glob was not in cache */ |
| 2118 | debug2("%s line %d: new include %s",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2119 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: new include %s" , filename, linenum, arg) |
| 2119 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2119 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: new include %s" , filename, linenum, arg); |
| 2120 | if ((r = glob(arg, 0, NULL((void *)0), &gbuf)) != 0) { |
| 2121 | if (r != GLOB_NOMATCH(-3)) { |
| 2122 | fatal("%s line %d: include \"%s\" glob "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2123, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: include \"%s\" glob " "failed", filename, linenum, arg) |
| 2123 | "failed", filename, linenum, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2123, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: include \"%s\" glob " "failed", filename, linenum, arg); |
| 2124 | } |
| 2125 | /* |
| 2126 | * If no entry matched then record a |
| 2127 | * placeholder to skip later glob calls. |
| 2128 | */ |
| 2129 | debug2("%s line %d: no match for %s",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2130 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: no match for %s" , filename, linenum, arg) |
| 2130 | filename, linenum, arg)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2130 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: no match for %s" , filename, linenum, arg); |
| 2131 | item = xcalloc(1, sizeof(*item)); |
| 2132 | item->selector = strdup(arg); |
| 2133 | TAILQ_INSERT_TAIL(includes,do { (item)->entry.tqe_next = ((void *)0); (item)->entry .tqe_prev = (includes)->tqh_last; *(includes)->tqh_last = (item); (includes)->tqh_last = &(item)->entry.tqe_next ; } while (0) |
| 2134 | item, entry)do { (item)->entry.tqe_next = ((void *)0); (item)->entry .tqe_prev = (includes)->tqh_last; *(includes)->tqh_last = (item); (includes)->tqh_last = &(item)->entry.tqe_next ; } while (0); |
| 2135 | } |
| 2136 | if (gbuf.gl_pathc > INT_MAX0x7fffffff) |
| 2137 | fatal_f("too many glob results")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2137, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "too many glob results" ); |
| 2138 | for (n = 0; n < (int)gbuf.gl_pathc; n++) { |
| 2139 | debug2("%s line %d: including %s",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2140 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: including %s" , filename, linenum, gbuf.gl_pathv[n]) |
| 2140 | filename, linenum, gbuf.gl_pathv[n])sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2140 , 0, SYSLOG_LEVEL_DEBUG2, ((void *)0), "%s line %d: including %s" , filename, linenum, gbuf.gl_pathv[n]); |
| 2141 | item = xcalloc(1, sizeof(*item)); |
| 2142 | item->selector = strdup(arg); |
| 2143 | item->filename = strdup(gbuf.gl_pathv[n]); |
| 2144 | if ((item->contents = sshbuf_new()) == NULL((void *)0)) |
| 2145 | fatal_f("sshbuf_new failed")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2145, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "sshbuf_new failed" ); |
| 2146 | load_server_config(item->filename, |
| 2147 | item->contents); |
| 2148 | parse_server_config_depth(options, |
| 2149 | item->filename, item->contents, |
| 2150 | includes, connectinfo, |
| 2151 | (*inc_flags & SSHCFG_MATCH_ONLY0x08 |
| 2152 | ? SSHCFG_MATCH_ONLY0x08 : (oactive |
| 2153 | ? 0 : SSHCFG_NEVERMATCH0x04)), |
| 2154 | activep, depth + 1); |
| 2155 | *activep = oactive; |
| 2156 | TAILQ_INSERT_TAIL(includes, item, entry)do { (item)->entry.tqe_next = ((void *)0); (item)->entry .tqe_prev = (includes)->tqh_last; *(includes)->tqh_last = (item); (includes)->tqh_last = &(item)->entry.tqe_next ; } while (0); |
| 2157 | } |
| 2158 | globfree(&gbuf); |
| 2159 | free(arg); |
| 2160 | } |
| 2161 | if (value == 0) { |
| 2162 | fatal("%s line %d: %s missing filename argument",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2163, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing filename argument" , filename, linenum, keyword) |
| 2163 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2163, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing filename argument" , filename, linenum, keyword); |
| 2164 | } |
| 2165 | break; |
| 2166 | |
| 2167 | case sMatch: |
| 2168 | if (cmdline) |
| 2169 | fatal("Match directive not supported as a command-line "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2170, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Match directive not supported as a command-line " "option") |
| 2170 | "option")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2170, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Match directive not supported as a command-line " "option"); |
| 2171 | value = match_cfg_line(&str, linenum, |
| 2172 | (*inc_flags & SSHCFG_NEVERMATCH0x04 ? NULL((void *)0) : connectinfo)); |
| 2173 | if (value < 0) |
| 2174 | fatal("%s line %d: Bad Match condition", filename,sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2175, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad Match condition" , filename, linenum) |
| 2175 | linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2175, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad Match condition" , filename, linenum); |
| 2176 | *activep = (*inc_flags & SSHCFG_NEVERMATCH0x04) ? 0 : value; |
| 2177 | /* |
| 2178 | * The MATCH_ONLY flag is applicable only until the first |
| 2179 | * match block. |
| 2180 | */ |
| 2181 | *inc_flags &= ~SSHCFG_MATCH_ONLY0x08; |
| 2182 | /* |
| 2183 | * If match_cfg_line() didn't consume all its arguments then |
| 2184 | * arrange for the extra arguments check below to fail. |
| 2185 | */ |
| 2186 | if (str == NULL((void *)0) || *str == '\0') |
| 2187 | argv_consume(&ac); |
| 2188 | break; |
| 2189 | |
| 2190 | case sPermitListen: |
| 2191 | case sPermitOpen: |
| 2192 | if (opcode == sPermitListen) { |
| 2193 | uintptr = &options->num_permitted_listens; |
| 2194 | chararrayptr = &options->permitted_listens; |
| 2195 | } else { |
| 2196 | uintptr = &options->num_permitted_opens; |
| 2197 | chararrayptr = &options->permitted_opens; |
| 2198 | } |
| 2199 | arg = argv_next(&ac, &av); |
| 2200 | if (!arg || *arg == '\0') |
| 2201 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2202, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2202 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2202, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2203 | uvalue = *uintptr; /* modified later */ |
| 2204 | if (strcmp(arg, "any") == 0 || strcmp(arg, "none") == 0) { |
| 2205 | if (*activep && uvalue == 0) { |
| 2206 | *uintptr = 1; |
| 2207 | *chararrayptr = xcalloc(1, |
| 2208 | sizeof(**chararrayptr)); |
| 2209 | (*chararrayptr)[0] = xstrdup(arg); |
| 2210 | } |
| 2211 | break; |
| 2212 | } |
| 2213 | for (; arg != NULL((void *)0) && *arg != '\0'; arg = argv_next(&ac, &av)) { |
| 2214 | if (opcode == sPermitListen && |
| 2215 | strchr(arg, ':') == NULL((void *)0)) { |
| 2216 | /* |
| 2217 | * Allow bare port number for PermitListen |
| 2218 | * to indicate a wildcard listen host. |
| 2219 | */ |
| 2220 | xasprintf(&arg2, "*:%s", arg); |
| 2221 | } else { |
| 2222 | arg2 = xstrdup(arg); |
| 2223 | p = hpdelim(&arg); |
| 2224 | if (p == NULL((void *)0)) { |
| 2225 | fatal("%s line %d: %s missing host",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2226, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing host" , filename, linenum, keyword) |
| 2226 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2226, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing host" , filename, linenum, keyword); |
| 2227 | } |
| 2228 | p = cleanhostname(p); |
| 2229 | } |
| 2230 | if (arg == NULL((void *)0) || |
| 2231 | ((port = permitopen_port(arg)) < 0)) { |
Although the value stored to 'port' is used in the enclosing expression, the value is never actually read from 'port' | |
| 2232 | fatal("%s line %d: %s bad port number",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2233, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s bad port number" , filename, linenum, keyword) |
| 2233 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2233, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s bad port number" , filename, linenum, keyword); |
| 2234 | } |
| 2235 | if (*activep && uvalue == 0) { |
| 2236 | opt_array_append(filename, linenum, keyword, |
| 2237 | chararrayptr, uintptr, arg2); |
| 2238 | } |
| 2239 | free(arg2); |
| 2240 | } |
| 2241 | break; |
| 2242 | |
| 2243 | case sForceCommand: |
| 2244 | if (str == NULL((void *)0) || *str == '\0') |
| 2245 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2246, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2246 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2246, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2247 | len = strspn(str, WHITESPACE" \t\r\n"); |
| 2248 | if (*activep && options->adm_forced_command == NULL((void *)0)) |
| 2249 | options->adm_forced_command = xstrdup(str + len); |
| 2250 | argv_consume(&ac); |
| 2251 | break; |
| 2252 | |
| 2253 | case sChrootDirectory: |
| 2254 | charptr = &options->chroot_directory; |
| 2255 | |
| 2256 | arg = argv_next(&ac, &av); |
| 2257 | if (!arg || *arg == '\0') |
| 2258 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2259, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2259 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2259, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2260 | if (*activep && *charptr == NULL((void *)0)) |
| 2261 | *charptr = xstrdup(arg); |
| 2262 | break; |
| 2263 | |
| 2264 | case sTrustedUserCAKeys: |
| 2265 | charptr = &options->trusted_user_ca_keys; |
| 2266 | goto parse_filename; |
| 2267 | |
| 2268 | case sRevokedKeys: |
| 2269 | charptr = &options->revoked_keys_file; |
| 2270 | goto parse_filename; |
| 2271 | |
| 2272 | case sSecurityKeyProvider: |
| 2273 | charptr = &options->sk_provider; |
| 2274 | arg = argv_next(&ac, &av); |
| 2275 | if (!arg || *arg == '\0') |
| 2276 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2277, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2277 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2277, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2278 | if (*activep && *charptr == NULL((void *)0)) { |
| 2279 | *charptr = strcasecmp(arg, "internal") == 0 ? |
| 2280 | xstrdup(arg) : derelativise_path(arg); |
| 2281 | /* increase optional counter */ |
| 2282 | if (intptr != NULL((void *)0)) |
| 2283 | *intptr = *intptr + 1; |
| 2284 | } |
| 2285 | break; |
| 2286 | |
| 2287 | case sIPQoS: |
| 2288 | arg = argv_next(&ac, &av); |
| 2289 | if (!arg || *arg == '\0') |
| 2290 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2291, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2291 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2291, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2292 | if ((value = parse_ipqos(arg)) == -1) |
| 2293 | fatal("%s line %d: Bad %s value: %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2294, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad %s value: %s" , filename, linenum, keyword, arg) |
| 2294 | filename, linenum, keyword, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2294, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad %s value: %s" , filename, linenum, keyword, arg); |
| 2295 | arg = argv_next(&ac, &av); |
| 2296 | if (arg == NULL((void *)0)) |
| 2297 | value2 = value; |
| 2298 | else if ((value2 = parse_ipqos(arg)) == -1) |
| 2299 | fatal("%s line %d: Bad %s value: %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2300, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad %s value: %s" , filename, linenum, keyword, arg) |
| 2300 | filename, linenum, keyword, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2300, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Bad %s value: %s" , filename, linenum, keyword, arg); |
| 2301 | if (*activep) { |
| 2302 | options->ip_qos_interactive = value; |
| 2303 | options->ip_qos_bulk = value2; |
| 2304 | } |
| 2305 | break; |
| 2306 | |
| 2307 | case sVersionAddendum: |
| 2308 | if (str == NULL((void *)0) || *str == '\0') |
| 2309 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2310, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2310 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2310, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2311 | len = strspn(str, WHITESPACE" \t\r\n"); |
| 2312 | if (strchr(str + len, '\r') != NULL((void *)0)) { |
| 2313 | fatal("%.200s line %d: Invalid %s argument",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2314, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Invalid %s argument" , filename, linenum, keyword) |
| 2314 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2314, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Invalid %s argument" , filename, linenum, keyword); |
| 2315 | } |
| 2316 | if ((arg = strchr(line, '#')) != NULL((void *)0)) { |
| 2317 | *arg = '\0'; |
| 2318 | rtrim(line); |
| 2319 | } |
| 2320 | if (*activep && options->version_addendum == NULL((void *)0)) { |
| 2321 | if (strcasecmp(str + len, "none") == 0) |
| 2322 | options->version_addendum = xstrdup(""); |
| 2323 | else |
| 2324 | options->version_addendum = xstrdup(str + len); |
| 2325 | } |
| 2326 | argv_consume(&ac); |
| 2327 | break; |
| 2328 | |
| 2329 | case sAuthorizedKeysCommand: |
| 2330 | charptr = &options->authorized_keys_command; |
| 2331 | parse_command: |
| 2332 | len = strspn(str, WHITESPACE" \t\r\n"); |
| 2333 | if (str[len] != '/' && strcasecmp(str + len, "none") != 0) { |
| 2334 | fatal("%.200s line %d: %s must be an absolute path",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2335, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: %s must be an absolute path" , filename, linenum, keyword) |
| 2335 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2335, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: %s must be an absolute path" , filename, linenum, keyword); |
| 2336 | } |
| 2337 | if (*activep && *charptr == NULL((void *)0)) |
| 2338 | *charptr = xstrdup(str + len); |
| 2339 | argv_consume(&ac); |
| 2340 | break; |
| 2341 | |
| 2342 | case sAuthorizedKeysCommandUser: |
| 2343 | charptr = &options->authorized_keys_command_user; |
| 2344 | parse_localuser: |
| 2345 | arg = argv_next(&ac, &av); |
| 2346 | if (!arg || *arg == '\0') { |
| 2347 | fatal("%s line %d: missing %s argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2348, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s argument." , filename, linenum, keyword) |
| 2348 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2348, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: missing %s argument." , filename, linenum, keyword); |
| 2349 | } |
| 2350 | if (*activep && *charptr == NULL((void *)0)) |
| 2351 | *charptr = xstrdup(arg); |
| 2352 | break; |
| 2353 | |
| 2354 | case sAuthorizedPrincipalsCommand: |
| 2355 | charptr = &options->authorized_principals_command; |
| 2356 | goto parse_command; |
| 2357 | |
| 2358 | case sAuthorizedPrincipalsCommandUser: |
| 2359 | charptr = &options->authorized_principals_command_user; |
| 2360 | goto parse_localuser; |
| 2361 | |
| 2362 | case sAuthenticationMethods: |
| 2363 | found = options->num_auth_methods == 0; |
| 2364 | value = 0; /* seen "any" pseudo-method */ |
| 2365 | value2 = 0; /* successfully parsed any method */ |
| 2366 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2367 | if (strcmp(arg, "any") == 0) { |
| 2368 | if (options->num_auth_methods > 0) { |
| 2369 | fatal("%s line %d: \"any\" must "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2371, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: \"any\" must " "appear alone in %s", filename, linenum, keyword) |
| 2370 | "appear alone in %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2371, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: \"any\" must " "appear alone in %s", filename, linenum, keyword) |
| 2371 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2371, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: \"any\" must " "appear alone in %s", filename, linenum, keyword); |
| 2372 | } |
| 2373 | value = 1; |
| 2374 | } else if (value) { |
| 2375 | fatal("%s line %d: \"any\" must appear "sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2376, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: \"any\" must appear " "alone in %s", filename, linenum, keyword) |
| 2376 | "alone in %s", filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2376, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: \"any\" must appear " "alone in %s", filename, linenum, keyword); |
| 2377 | } else if (auth2_methods_valid(arg, 0) != 0) { |
| 2378 | fatal("%s line %d: invalid %s method list.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2379, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid %s method list." , filename, linenum, keyword) |
| 2379 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2379, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid %s method list." , filename, linenum, keyword); |
| 2380 | } |
| 2381 | value2 = 1; |
| 2382 | if (!found || !*activep) |
| 2383 | continue; |
| 2384 | opt_array_append(filename, linenum, keyword, |
| 2385 | &options->auth_methods, |
| 2386 | &options->num_auth_methods, arg); |
| 2387 | } |
| 2388 | if (value2 == 0) { |
| 2389 | fatal("%s line %d: no %s specified",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2390, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: no %s specified" , filename, linenum, keyword) |
| 2390 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2390, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: no %s specified" , filename, linenum, keyword); |
| 2391 | } |
| 2392 | break; |
| 2393 | |
| 2394 | case sStreamLocalBindMask: |
| 2395 | arg = argv_next(&ac, &av); |
| 2396 | if (!arg || *arg == '\0') |
| 2397 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2398, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2398 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2398, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2399 | /* Parse mode in octal format */ |
| 2400 | value = strtol(arg, &p, 8); |
| 2401 | if (arg == p || value < 0 || value > 0777) |
| 2402 | fatal("%s line %d: Invalid %s.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2403, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s." , filename, linenum, keyword) |
| 2403 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2403, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Invalid %s." , filename, linenum, keyword); |
| 2404 | if (*activep) |
| 2405 | options->fwd_opts.streamlocal_bind_mask = (mode_t)value; |
| 2406 | break; |
| 2407 | |
| 2408 | case sStreamLocalBindUnlink: |
| 2409 | intptr = &options->fwd_opts.streamlocal_bind_unlink; |
| 2410 | goto parse_flag; |
| 2411 | |
| 2412 | case sFingerprintHash: |
| 2413 | arg = argv_next(&ac, &av); |
| 2414 | if (!arg || *arg == '\0') |
| 2415 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2416, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2416 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2416, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2417 | if ((value = ssh_digest_alg_by_name(arg)) == -1) |
| 2418 | fatal("%.200s line %d: Invalid %s algorithm \"%s\".",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2419, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Invalid %s algorithm \"%s\"." , filename, linenum, keyword, arg) |
| 2419 | filename, linenum, keyword, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2419, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%.200s line %d: Invalid %s algorithm \"%s\"." , filename, linenum, keyword, arg); |
| 2420 | if (*activep) |
| 2421 | options->fingerprint_hash = value; |
| 2422 | break; |
| 2423 | |
| 2424 | case sExposeAuthInfo: |
| 2425 | intptr = &options->expose_userauth_info; |
| 2426 | goto parse_flag; |
| 2427 | |
| 2428 | case sRDomain: |
| 2429 | charptr = &options->routing_domain; |
| 2430 | arg = argv_next(&ac, &av); |
| 2431 | if (!arg || *arg == '\0') |
| 2432 | fatal("%s line %d: %s missing argument.",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2433, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword) |
| 2433 | filename, linenum, keyword)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2433, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: %s missing argument." , filename, linenum, keyword); |
| 2434 | if (strcasecmp(arg, "none") != 0 && strcmp(arg, "%D") != 0 && |
| 2435 | !valid_rdomain(arg)) |
| 2436 | fatal("%s line %d: invalid routing domain",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2437, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid routing domain" , filename, linenum) |
| 2437 | filename, linenum)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2437, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid routing domain" , filename, linenum); |
| 2438 | if (*activep && *charptr == NULL((void *)0)) |
| 2439 | *charptr = xstrdup(arg); |
| 2440 | break; |
| 2441 | |
| 2442 | case sRequiredRSASize: |
| 2443 | intptr = &options->required_rsa_size; |
| 2444 | goto parse_int; |
| 2445 | |
| 2446 | case sChannelTimeout: |
| 2447 | uvalue = options->num_channel_timeouts; |
| 2448 | i = 0; |
| 2449 | while ((arg = argv_next(&ac, &av)) != NULL((void *)0)) { |
| 2450 | /* Allow "none" only in first position */ |
| 2451 | if (strcasecmp(arg, "none") == 0) { |
| 2452 | if (i > 0 || ac > 0) { |
| 2453 | error("%s line %d: keyword %s \"none\" "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2455 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2454 | "argument must appear alone.",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2455 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword) |
| 2455 | filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2455 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%s line %d: keyword %s \"none\" " "argument must appear alone.", filename, linenum, keyword); |
| 2456 | goto out; |
| 2457 | } |
| 2458 | } else if (parse_pattern_interval(arg, |
| 2459 | NULL((void *)0), NULL((void *)0)) != 0) { |
| 2460 | fatal("%s line %d: invalid channel timeout %s",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2461, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid channel timeout %s" , filename, linenum, arg) |
| 2461 | filename, linenum, arg)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2461, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: invalid channel timeout %s" , filename, linenum, arg); |
| 2462 | } |
| 2463 | if (!*activep || uvalue != 0) |
| 2464 | continue; |
| 2465 | opt_array_append(filename, linenum, keyword, |
| 2466 | &options->channel_timeouts, |
| 2467 | &options->num_channel_timeouts, arg); |
| 2468 | } |
| 2469 | break; |
| 2470 | |
| 2471 | case sUnusedConnectionTimeout: |
| 2472 | intptr = &options->unused_connection_timeout; |
| 2473 | /* peek at first arg for "none" so we can reuse parse_time */ |
| 2474 | if (av[0] != NULL((void *)0) && strcasecmp(av[0], "none") == 0) { |
| 2475 | (void)argv_next(&ac, &av); /* consume arg */ |
| 2476 | if (*activep) |
| 2477 | *intptr = 0; |
| 2478 | break; |
| 2479 | } |
| 2480 | goto parse_time; |
| 2481 | |
| 2482 | case sDeprecated: |
| 2483 | case sIgnore: |
| 2484 | case sUnsupported: |
| 2485 | do_log2(opcode == sIgnore ?sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2489 , 0, opcode == sIgnore ? SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO , ((void *)0), "%s line %d: %s option %s", filename, linenum, opcode == sUnsupported ? "Unsupported" : "Deprecated", keyword ) |
| 2486 | SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO,sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2489 , 0, opcode == sIgnore ? SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO , ((void *)0), "%s line %d: %s option %s", filename, linenum, opcode == sUnsupported ? "Unsupported" : "Deprecated", keyword ) |
| 2487 | "%s line %d: %s option %s", filename, linenum,sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2489 , 0, opcode == sIgnore ? SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO , ((void *)0), "%s line %d: %s option %s", filename, linenum, opcode == sUnsupported ? "Unsupported" : "Deprecated", keyword ) |
| 2488 | opcode == sUnsupported ? "Unsupported" : "Deprecated",sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2489 , 0, opcode == sIgnore ? SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO , ((void *)0), "%s line %d: %s option %s", filename, linenum, opcode == sUnsupported ? "Unsupported" : "Deprecated", keyword ) |
| 2489 | keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2489 , 0, opcode == sIgnore ? SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO , ((void *)0), "%s line %d: %s option %s", filename, linenum, opcode == sUnsupported ? "Unsupported" : "Deprecated", keyword ); |
| 2490 | argv_consume(&ac); |
| 2491 | break; |
| 2492 | |
| 2493 | default: |
| 2494 | fatal("%s line %d: Missing handler for opcode %s (%d)",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2495, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing handler for opcode %s (%d)" , filename, linenum, keyword, opcode) |
| 2495 | filename, linenum, keyword, opcode)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2495, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s line %d: Missing handler for opcode %s (%d)" , filename, linenum, keyword, opcode); |
| 2496 | } |
| 2497 | /* Check that there is no garbage at end of line. */ |
| 2498 | if (ac > 0) { |
| 2499 | error("%.200s line %d: keyword %s extra arguments "sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2500 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword) |
| 2500 | "at end of line", filename, linenum, keyword)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2500 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "%.200s line %d: keyword %s extra arguments " "at end of line", filename, linenum, keyword); |
| 2501 | goto out; |
| 2502 | } |
| 2503 | |
| 2504 | /* success */ |
| 2505 | ret = 0; |
| 2506 | out: |
| 2507 | argv_free(oav, oac); |
| 2508 | return ret; |
| 2509 | } |
| 2510 | |
| 2511 | int |
| 2512 | process_server_config_line(ServerOptions *options, char *line, |
| 2513 | const char *filename, int linenum, int *activep, |
| 2514 | struct connection_info *connectinfo, struct include_list *includes) |
| 2515 | { |
| 2516 | int inc_flags = 0; |
| 2517 | |
| 2518 | return process_server_config_line_depth(options, line, filename, |
| 2519 | linenum, activep, connectinfo, &inc_flags, 0, includes); |
| 2520 | } |
| 2521 | |
| 2522 | |
| 2523 | /* Reads the server configuration file. */ |
| 2524 | |
| 2525 | void |
| 2526 | load_server_config(const char *filename, struct sshbuf *conf) |
| 2527 | { |
| 2528 | struct stat st; |
| 2529 | char *line = NULL((void *)0), *cp; |
| 2530 | size_t linesize = 0; |
| 2531 | FILE *f; |
| 2532 | int r; |
| 2533 | |
| 2534 | debug2_f("filename %s", filename)sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2534 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "filename %s", filename ); |
| 2535 | if ((f = fopen(filename, "r")) == NULL((void *)0)) { |
| 2536 | perror(filename); |
| 2537 | exit(1); |
| 2538 | } |
| 2539 | sshbuf_reset(conf); |
| 2540 | /* grow buffer, so realloc is avoided for large config files */ |
| 2541 | if (fstat(fileno(f)(!__isthreaded ? ((f)->_file) : (fileno)(f)), &st) == 0 && st.st_size > 0 && |
| 2542 | (r = sshbuf_allocate(conf, st.st_size)) != 0) |
| 2543 | fatal_fr(r, "allocate")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2543, 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "allocate"); |
| 2544 | while (getline(&line, &linesize, f) != -1) { |
| 2545 | /* |
| 2546 | * Strip whitespace |
| 2547 | * NB - preserve newlines, they are needed to reproduce |
| 2548 | * line numbers later for error messages |
| 2549 | */ |
| 2550 | cp = line + strspn(line, " \t\r"); |
| 2551 | if ((r = sshbuf_put(conf, cp, strlen(cp))) != 0) |
| 2552 | fatal_fr(r, "sshbuf_put")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2552, 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "sshbuf_put"); |
| 2553 | } |
| 2554 | free(line); |
| 2555 | if ((r = sshbuf_put_u8(conf, 0)) != 0) |
| 2556 | fatal_fr(r, "sshbuf_put_u8")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2556, 1, SYSLOG_LEVEL_FATAL, ssh_err(r), "sshbuf_put_u8"); |
| 2557 | fclose(f); |
| 2558 | debug2_f("done config len = %zu", sshbuf_len(conf))sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2558 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "done config len = %zu" , sshbuf_len(conf)); |
| 2559 | } |
| 2560 | |
| 2561 | void |
| 2562 | parse_server_match_config(ServerOptions *options, |
| 2563 | struct include_list *includes, struct connection_info *connectinfo) |
| 2564 | { |
| 2565 | ServerOptions mo; |
| 2566 | |
| 2567 | initialize_server_options(&mo); |
| 2568 | parse_server_config(&mo, "reprocess config", cfg, includes, |
| 2569 | connectinfo, 0); |
| 2570 | copy_set_server_options(options, &mo, 0); |
| 2571 | } |
| 2572 | |
| 2573 | int parse_server_match_testspec(struct connection_info *ci, char *spec) |
| 2574 | { |
| 2575 | char *p; |
| 2576 | |
| 2577 | while ((p = strsep(&spec, ",")) && *p != '\0') { |
| 2578 | if (strncmp(p, "addr=", 5) == 0) { |
| 2579 | ci->address = xstrdup(p + 5); |
| 2580 | } else if (strncmp(p, "host=", 5) == 0) { |
| 2581 | ci->host = xstrdup(p + 5); |
| 2582 | } else if (strncmp(p, "user=", 5) == 0) { |
| 2583 | ci->user = xstrdup(p + 5); |
| 2584 | } else if (strncmp(p, "laddr=", 6) == 0) { |
| 2585 | ci->laddress = xstrdup(p + 6); |
| 2586 | } else if (strncmp(p, "rdomain=", 8) == 0) { |
| 2587 | ci->rdomain = xstrdup(p + 8); |
| 2588 | } else if (strncmp(p, "lport=", 6) == 0) { |
| 2589 | ci->lport = a2port(p + 6); |
| 2590 | if (ci->lport == -1) { |
| 2591 | fprintf(stderr(&__sF[2]), "Invalid port '%s' in test mode" |
| 2592 | " specification %s\n", p+6, p); |
| 2593 | return -1; |
| 2594 | } |
| 2595 | } else { |
| 2596 | fprintf(stderr(&__sF[2]), "Invalid test mode specification %s\n", |
| 2597 | p); |
| 2598 | return -1; |
| 2599 | } |
| 2600 | } |
| 2601 | return 0; |
| 2602 | } |
| 2603 | |
| 2604 | void |
| 2605 | servconf_merge_subsystems(ServerOptions *dst, ServerOptions *src) |
| 2606 | { |
| 2607 | u_int i, j, found; |
| 2608 | |
| 2609 | for (i = 0; i < src->num_subsystems; i++) { |
| 2610 | found = 0; |
| 2611 | for (j = 0; j < dst->num_subsystems; j++) { |
| 2612 | if (strcmp(src->subsystem_name[i], |
| 2613 | dst->subsystem_name[j]) == 0) { |
| 2614 | found = 1; |
| 2615 | break; |
| 2616 | } |
| 2617 | } |
| 2618 | if (found) { |
| 2619 | debug_f("override \"%s\"", dst->subsystem_name[j])sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2619 , 1, SYSLOG_LEVEL_DEBUG1, ((void *)0), "override \"%s\"", dst ->subsystem_name[j]); |
| 2620 | free(dst->subsystem_command[j]); |
| 2621 | free(dst->subsystem_args[j]); |
| 2622 | dst->subsystem_command[j] = |
| 2623 | xstrdup(src->subsystem_command[i]); |
| 2624 | dst->subsystem_args[j] = |
| 2625 | xstrdup(src->subsystem_args[i]); |
| 2626 | continue; |
| 2627 | } |
| 2628 | debug_f("add \"%s\"", src->subsystem_name[i])sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2628 , 1, SYSLOG_LEVEL_DEBUG1, ((void *)0), "add \"%s\"", src-> subsystem_name[i]); |
| 2629 | dst->subsystem_name = xrecallocarray( |
| 2630 | dst->subsystem_name, dst->num_subsystems, |
| 2631 | dst->num_subsystems + 1, sizeof(*dst->subsystem_name)); |
| 2632 | dst->subsystem_command = xrecallocarray( |
| 2633 | dst->subsystem_command, dst->num_subsystems, |
| 2634 | dst->num_subsystems + 1, sizeof(*dst->subsystem_command)); |
| 2635 | dst->subsystem_args = xrecallocarray( |
| 2636 | dst->subsystem_args, dst->num_subsystems, |
| 2637 | dst->num_subsystems + 1, sizeof(*dst->subsystem_args)); |
| 2638 | j = dst->num_subsystems++; |
| 2639 | dst->subsystem_name[j] = xstrdup(src->subsystem_name[i]); |
| 2640 | dst->subsystem_command[j] = xstrdup(src->subsystem_command[i]); |
| 2641 | dst->subsystem_args[j] = xstrdup(src->subsystem_args[i]); |
| 2642 | } |
| 2643 | } |
| 2644 | |
| 2645 | /* |
| 2646 | * Copy any supported values that are set. |
| 2647 | * |
| 2648 | * If the preauth flag is set, we do not bother copying the string or |
| 2649 | * array values that are not used pre-authentication, because any that we |
| 2650 | * do use must be explicitly sent in mm_getpwnamallow(). |
| 2651 | */ |
| 2652 | void |
| 2653 | copy_set_server_options(ServerOptions *dst, ServerOptions *src, int preauth) |
| 2654 | { |
| 2655 | #define M_CP_INTOPT(n) do {\ |
| 2656 | if (src->n != -1) \ |
| 2657 | dst->n = src->n; \ |
| 2658 | } while (0) |
| 2659 | |
| 2660 | M_CP_INTOPT(password_authentication); |
| 2661 | M_CP_INTOPT(gss_authentication); |
| 2662 | M_CP_INTOPT(pubkey_authentication); |
| 2663 | M_CP_INTOPT(pubkey_auth_options); |
| 2664 | M_CP_INTOPT(kerberos_authentication); |
| 2665 | M_CP_INTOPT(hostbased_authentication); |
| 2666 | M_CP_INTOPT(hostbased_uses_name_from_packet_only); |
| 2667 | M_CP_INTOPT(kbd_interactive_authentication); |
| 2668 | M_CP_INTOPT(permit_root_login); |
| 2669 | M_CP_INTOPT(permit_empty_passwd); |
| 2670 | M_CP_INTOPT(ignore_rhosts); |
| 2671 | |
| 2672 | M_CP_INTOPT(allow_tcp_forwarding); |
| 2673 | M_CP_INTOPT(allow_streamlocal_forwarding); |
| 2674 | M_CP_INTOPT(allow_agent_forwarding); |
| 2675 | M_CP_INTOPT(disable_forwarding); |
| 2676 | M_CP_INTOPT(expose_userauth_info); |
| 2677 | M_CP_INTOPT(permit_tun); |
| 2678 | M_CP_INTOPT(fwd_opts.gateway_ports); |
| 2679 | M_CP_INTOPT(fwd_opts.streamlocal_bind_unlink); |
| 2680 | M_CP_INTOPT(x11_display_offset); |
| 2681 | M_CP_INTOPT(x11_forwarding); |
| 2682 | M_CP_INTOPT(x11_use_localhost); |
| 2683 | M_CP_INTOPT(permit_tty); |
| 2684 | M_CP_INTOPT(permit_user_rc); |
| 2685 | M_CP_INTOPT(max_sessions); |
| 2686 | M_CP_INTOPT(max_authtries); |
| 2687 | M_CP_INTOPT(client_alive_count_max); |
| 2688 | M_CP_INTOPT(client_alive_interval); |
| 2689 | M_CP_INTOPT(ip_qos_interactive); |
| 2690 | M_CP_INTOPT(ip_qos_bulk); |
| 2691 | M_CP_INTOPT(rekey_limit); |
| 2692 | M_CP_INTOPT(rekey_interval); |
| 2693 | M_CP_INTOPT(log_level); |
| 2694 | M_CP_INTOPT(required_rsa_size); |
| 2695 | M_CP_INTOPT(unused_connection_timeout); |
| 2696 | |
| 2697 | /* |
| 2698 | * The bind_mask is a mode_t that may be unsigned, so we can't use |
| 2699 | * M_CP_INTOPT - it does a signed comparison that causes compiler |
| 2700 | * warnings. |
| 2701 | */ |
| 2702 | if (src->fwd_opts.streamlocal_bind_mask != (mode_t)-1) { |
| 2703 | dst->fwd_opts.streamlocal_bind_mask = |
| 2704 | src->fwd_opts.streamlocal_bind_mask; |
| 2705 | } |
| 2706 | |
| 2707 | /* M_CP_STROPT and M_CP_STRARRAYOPT should not appear before here */ |
| 2708 | #define M_CP_STROPT(n) do {\ |
| 2709 | if (src->n != NULL((void *)0) && dst->n != src->n) { \ |
| 2710 | free(dst->n); \ |
| 2711 | dst->n = src->n; \ |
| 2712 | } \ |
| 2713 | } while(0) |
| 2714 | #define M_CP_STRARRAYOPT(s, num_s) do {\ |
| 2715 | u_int i; \ |
| 2716 | if (src->num_s != 0) { \ |
| 2717 | for (i = 0; i < dst->num_s; i++) \ |
| 2718 | free(dst->s[i]); \ |
| 2719 | free(dst->s); \ |
| 2720 | dst->s = xcalloc(src->num_s, sizeof(*dst->s)); \ |
| 2721 | for (i = 0; i < src->num_s; i++) \ |
| 2722 | dst->s[i] = xstrdup(src->s[i]); \ |
| 2723 | dst->num_s = src->num_s; \ |
| 2724 | } \ |
| 2725 | } while(0) |
| 2726 | |
| 2727 | /* See comment in servconf.h */ |
| 2728 | COPY_MATCH_STRING_OPTS()do { M_CP_STROPT(banner); M_CP_STROPT(trusted_user_ca_keys); M_CP_STROPT (revoked_keys_file); M_CP_STROPT(authorized_keys_command); M_CP_STROPT (authorized_keys_command_user); M_CP_STROPT(authorized_principals_file ); M_CP_STROPT(authorized_principals_command); M_CP_STROPT(authorized_principals_command_user ); M_CP_STROPT(hostbased_accepted_algos); M_CP_STROPT(pubkey_accepted_algos ); M_CP_STROPT(ca_sign_algorithms); M_CP_STROPT(routing_domain ); M_CP_STROPT(permit_user_env_allowlist); M_CP_STRARRAYOPT(authorized_keys_files , num_authkeys_files); M_CP_STRARRAYOPT(allow_users, num_allow_users ); M_CP_STRARRAYOPT(deny_users, num_deny_users); M_CP_STRARRAYOPT (allow_groups, num_allow_groups); M_CP_STRARRAYOPT(deny_groups , num_deny_groups); M_CP_STRARRAYOPT(accept_env, num_accept_env ); M_CP_STRARRAYOPT(setenv, num_setenv); M_CP_STRARRAYOPT(auth_methods , num_auth_methods); M_CP_STRARRAYOPT(permitted_opens, num_permitted_opens ); M_CP_STRARRAYOPT(permitted_listens, num_permitted_listens) ; M_CP_STRARRAYOPT(channel_timeouts, num_channel_timeouts); M_CP_STRARRAYOPT (log_verbose, num_log_verbose); M_CP_STRARRAYOPT(subsystem_name , num_subsystems); M_CP_STRARRAYOPT(subsystem_command, num_subsystems ); M_CP_STRARRAYOPT(subsystem_args, num_subsystems); } while ( 0); |
| 2729 | |
| 2730 | /* Arguments that accept '+...' need to be expanded */ |
| 2731 | assemble_algorithms(dst); |
| 2732 | |
| 2733 | /* |
| 2734 | * The only things that should be below this point are string options |
| 2735 | * which are only used after authentication. |
| 2736 | */ |
| 2737 | if (preauth) |
| 2738 | return; |
| 2739 | |
| 2740 | /* These options may be "none" to clear a global setting */ |
| 2741 | M_CP_STROPT(adm_forced_command); |
| 2742 | if (option_clear_or_none(dst->adm_forced_command)) { |
| 2743 | free(dst->adm_forced_command); |
| 2744 | dst->adm_forced_command = NULL((void *)0); |
| 2745 | } |
| 2746 | M_CP_STROPT(chroot_directory); |
| 2747 | if (option_clear_or_none(dst->chroot_directory)) { |
| 2748 | free(dst->chroot_directory); |
| 2749 | dst->chroot_directory = NULL((void *)0); |
| 2750 | } |
| 2751 | |
| 2752 | /* Subsystems require merging. */ |
| 2753 | servconf_merge_subsystems(dst, src); |
| 2754 | } |
| 2755 | |
| 2756 | #undef M_CP_INTOPT |
| 2757 | #undef M_CP_STROPT |
| 2758 | #undef M_CP_STRARRAYOPT |
| 2759 | |
| 2760 | #define SERVCONF_MAX_DEPTH16 16 |
| 2761 | static void |
| 2762 | parse_server_config_depth(ServerOptions *options, const char *filename, |
| 2763 | struct sshbuf *conf, struct include_list *includes, |
| 2764 | struct connection_info *connectinfo, int flags, int *activep, int depth) |
| 2765 | { |
| 2766 | int linenum, bad_options = 0; |
| 2767 | char *cp, *obuf, *cbuf; |
| 2768 | |
| 2769 | if (depth < 0 || depth > SERVCONF_MAX_DEPTH16) |
| 2770 | fatal("Too many recursive configuration includes")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2770, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Too many recursive configuration includes" ); |
| 2771 | |
| 2772 | debug2_f("config %s len %zu%s", filename, sshbuf_len(conf),sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2773 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "config %s len %zu%s", filename, sshbuf_len(conf), (flags & 0x04 ? " [checking syntax only]" : "")) |
| 2773 | (flags & SSHCFG_NEVERMATCH ? " [checking syntax only]" : ""))sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2773 , 1, SYSLOG_LEVEL_DEBUG2, ((void *)0), "config %s len %zu%s", filename, sshbuf_len(conf), (flags & 0x04 ? " [checking syntax only]" : "")); |
| 2774 | |
| 2775 | if ((obuf = cbuf = sshbuf_dup_string(conf)) == NULL((void *)0)) |
| 2776 | fatal_f("sshbuf_dup_string failed")sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2776, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "sshbuf_dup_string failed" ); |
| 2777 | linenum = 1; |
| 2778 | while ((cp = strsep(&cbuf, "\n")) != NULL((void *)0)) { |
| 2779 | if (process_server_config_line_depth(options, cp, |
| 2780 | filename, linenum++, activep, connectinfo, &flags, |
| 2781 | depth, includes) != 0) |
| 2782 | bad_options++; |
| 2783 | } |
| 2784 | free(obuf); |
| 2785 | if (bad_options > 0) |
| 2786 | fatal("%s: terminating, %d bad configuration options",sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2787, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options) |
| 2787 | filename, bad_options)sshfatal("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2787, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s: terminating, %d bad configuration options" , filename, bad_options); |
| 2788 | } |
| 2789 | |
| 2790 | void |
| 2791 | parse_server_config(ServerOptions *options, const char *filename, |
| 2792 | struct sshbuf *conf, struct include_list *includes, |
| 2793 | struct connection_info *connectinfo, int reexec) |
| 2794 | { |
| 2795 | int active = connectinfo ? 0 : 1; |
| 2796 | parse_server_config_depth(options, filename, conf, includes, |
| 2797 | connectinfo, (connectinfo ? SSHCFG_MATCH_ONLY0x08 : 0), &active, 0); |
| 2798 | if (!reexec) |
| 2799 | process_queued_listen_addrs(options); |
| 2800 | } |
| 2801 | |
| 2802 | static const char * |
| 2803 | fmt_multistate_int(int val, const struct multistate *m) |
| 2804 | { |
| 2805 | u_int i; |
| 2806 | |
| 2807 | for (i = 0; m[i].key != NULL((void *)0); i++) { |
| 2808 | if (m[i].value == val) |
| 2809 | return m[i].key; |
| 2810 | } |
| 2811 | return "UNKNOWN"; |
| 2812 | } |
| 2813 | |
| 2814 | static const char * |
| 2815 | fmt_intarg(ServerOpCodes code, int val) |
| 2816 | { |
| 2817 | if (val == -1) |
| 2818 | return "unset"; |
| 2819 | switch (code) { |
| 2820 | case sAddressFamily: |
| 2821 | return fmt_multistate_int(val, multistate_addressfamily); |
| 2822 | case sPermitRootLogin: |
| 2823 | return fmt_multistate_int(val, multistate_permitrootlogin); |
| 2824 | case sGatewayPorts: |
| 2825 | return fmt_multistate_int(val, multistate_gatewayports); |
| 2826 | case sCompression: |
| 2827 | return fmt_multistate_int(val, multistate_compression); |
| 2828 | case sAllowTcpForwarding: |
| 2829 | return fmt_multistate_int(val, multistate_tcpfwd); |
| 2830 | case sAllowStreamLocalForwarding: |
| 2831 | return fmt_multistate_int(val, multistate_tcpfwd); |
| 2832 | case sIgnoreRhosts: |
| 2833 | return fmt_multistate_int(val, multistate_ignore_rhosts); |
| 2834 | case sFingerprintHash: |
| 2835 | return ssh_digest_alg_name(val); |
| 2836 | default: |
| 2837 | switch (val) { |
| 2838 | case 0: |
| 2839 | return "no"; |
| 2840 | case 1: |
| 2841 | return "yes"; |
| 2842 | default: |
| 2843 | return "UNKNOWN"; |
| 2844 | } |
| 2845 | } |
| 2846 | } |
| 2847 | |
| 2848 | static void |
| 2849 | dump_cfg_int(ServerOpCodes code, int val) |
| 2850 | { |
| 2851 | if (code == sUnusedConnectionTimeout && val == 0) { |
| 2852 | printf("%s none\n", lookup_opcode_name(code)); |
| 2853 | return; |
| 2854 | } |
| 2855 | printf("%s %d\n", lookup_opcode_name(code), val); |
| 2856 | } |
| 2857 | |
| 2858 | static void |
| 2859 | dump_cfg_oct(ServerOpCodes code, int val) |
| 2860 | { |
| 2861 | printf("%s 0%o\n", lookup_opcode_name(code), val); |
| 2862 | } |
| 2863 | |
| 2864 | static void |
| 2865 | dump_cfg_fmtint(ServerOpCodes code, int val) |
| 2866 | { |
| 2867 | printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val)); |
| 2868 | } |
| 2869 | |
| 2870 | static void |
| 2871 | dump_cfg_string(ServerOpCodes code, const char *val) |
| 2872 | { |
| 2873 | printf("%s %s\n", lookup_opcode_name(code), |
| 2874 | val == NULL((void *)0) ? "none" : val); |
| 2875 | } |
| 2876 | |
| 2877 | static void |
| 2878 | dump_cfg_strarray(ServerOpCodes code, u_int count, char **vals) |
| 2879 | { |
| 2880 | u_int i; |
| 2881 | |
| 2882 | for (i = 0; i < count; i++) |
| 2883 | printf("%s %s\n", lookup_opcode_name(code), vals[i]); |
| 2884 | } |
| 2885 | |
| 2886 | static void |
| 2887 | dump_cfg_strarray_oneline(ServerOpCodes code, u_int count, char **vals) |
| 2888 | { |
| 2889 | u_int i; |
| 2890 | |
| 2891 | switch (code) { |
| 2892 | case sAuthenticationMethods: |
| 2893 | case sChannelTimeout: |
| 2894 | break; |
| 2895 | default: |
| 2896 | if (count <= 0) |
| 2897 | return; |
| 2898 | break; |
| 2899 | } |
| 2900 | |
| 2901 | printf("%s", lookup_opcode_name(code)); |
| 2902 | for (i = 0; i < count; i++) |
| 2903 | printf(" %s", vals[i]); |
| 2904 | if (code == sAuthenticationMethods && count == 0) |
| 2905 | printf(" any"); |
| 2906 | else if (code == sChannelTimeout && count == 0) |
| 2907 | printf(" none"); |
| 2908 | printf("\n"); |
| 2909 | } |
| 2910 | |
| 2911 | static char * |
| 2912 | format_listen_addrs(struct listenaddr *la) |
| 2913 | { |
| 2914 | int r; |
| 2915 | struct addrinfo *ai; |
| 2916 | char addr[NI_MAXHOST256], port[NI_MAXSERV32]; |
| 2917 | char *laddr1 = xstrdup(""), *laddr2 = NULL((void *)0); |
| 2918 | |
| 2919 | /* |
| 2920 | * ListenAddress must be after Port. add_one_listen_addr pushes |
| 2921 | * addresses onto a stack, so to maintain ordering we need to |
| 2922 | * print these in reverse order. |
| 2923 | */ |
| 2924 | for (ai = la->addrs; ai; ai = ai->ai_next) { |
| 2925 | if ((r = getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, |
| 2926 | sizeof(addr), port, sizeof(port), |
| 2927 | NI_NUMERICHOST1|NI_NUMERICSERV2)) != 0) { |
| 2928 | error("getnameinfo: %.100s", ssh_gai_strerror(r))sshlog("/usr/src/usr.bin/ssh/sshd/../servconf.c", __func__, 2928 , 0, SYSLOG_LEVEL_ERROR, ((void *)0), "getnameinfo: %.100s", ssh_gai_strerror (r)); |
| 2929 | continue; |
| 2930 | } |
| 2931 | laddr2 = laddr1; |
| 2932 | if (ai->ai_family == AF_INET624) { |
| 2933 | xasprintf(&laddr1, "listenaddress [%s]:%s%s%s\n%s", |
| 2934 | addr, port, |
| 2935 | la->rdomain == NULL((void *)0) ? "" : " rdomain ", |
| 2936 | la->rdomain == NULL((void *)0) ? "" : la->rdomain, |
| 2937 | laddr2); |
| 2938 | } else { |
| 2939 | xasprintf(&laddr1, "listenaddress %s:%s%s%s\n%s", |
| 2940 | addr, port, |
| 2941 | la->rdomain == NULL((void *)0) ? "" : " rdomain ", |
| 2942 | la->rdomain == NULL((void *)0) ? "" : la->rdomain, |
| 2943 | laddr2); |
| 2944 | } |
| 2945 | free(laddr2); |
| 2946 | } |
| 2947 | return laddr1; |
| 2948 | } |
| 2949 | |
| 2950 | void |
| 2951 | dump_config(ServerOptions *o) |
| 2952 | { |
| 2953 | char *s; |
| 2954 | u_int i; |
| 2955 | |
| 2956 | /* these are usually at the top of the config */ |
| 2957 | for (i = 0; i < o->num_ports; i++) |
| 2958 | printf("port %d\n", o->ports[i]); |
| 2959 | dump_cfg_fmtint(sAddressFamily, o->address_family); |
| 2960 | |
| 2961 | for (i = 0; i < o->num_listen_addrs; i++) { |
| 2962 | s = format_listen_addrs(&o->listen_addrs[i]); |
| 2963 | printf("%s", s); |
| 2964 | free(s); |
| 2965 | } |
| 2966 | |
| 2967 | /* integer arguments */ |
| 2968 | dump_cfg_int(sLoginGraceTime, o->login_grace_time); |
| 2969 | dump_cfg_int(sX11DisplayOffset, o->x11_display_offset); |
| 2970 | dump_cfg_int(sMaxAuthTries, o->max_authtries); |
| 2971 | dump_cfg_int(sMaxSessions, o->max_sessions); |
| 2972 | dump_cfg_int(sClientAliveInterval, o->client_alive_interval); |
| 2973 | dump_cfg_int(sClientAliveCountMax, o->client_alive_count_max); |
| 2974 | dump_cfg_int(sRequiredRSASize, o->required_rsa_size); |
| 2975 | dump_cfg_oct(sStreamLocalBindMask, o->fwd_opts.streamlocal_bind_mask); |
| 2976 | dump_cfg_int(sUnusedConnectionTimeout, o->unused_connection_timeout); |
| 2977 | |
| 2978 | /* formatted integer arguments */ |
| 2979 | dump_cfg_fmtint(sPermitRootLogin, o->permit_root_login); |
| 2980 | dump_cfg_fmtint(sIgnoreRhosts, o->ignore_rhosts); |
| 2981 | dump_cfg_fmtint(sIgnoreUserKnownHosts, o->ignore_user_known_hosts); |
| 2982 | dump_cfg_fmtint(sHostbasedAuthentication, o->hostbased_authentication); |
| 2983 | dump_cfg_fmtint(sHostbasedUsesNameFromPacketOnly, |
| 2984 | o->hostbased_uses_name_from_packet_only); |
| 2985 | dump_cfg_fmtint(sPubkeyAuthentication, o->pubkey_authentication); |
| 2986 | #ifdef KRB5 |
| 2987 | dump_cfg_fmtint(sKerberosAuthentication, o->kerberos_authentication); |
| 2988 | dump_cfg_fmtint(sKerberosOrLocalPasswd, o->kerberos_or_local_passwd); |
| 2989 | dump_cfg_fmtint(sKerberosTicketCleanup, o->kerberos_ticket_cleanup); |
| 2990 | dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token); |
| 2991 | #endif |
| 2992 | #ifdef GSSAPI |
| 2993 | dump_cfg_fmtint(sGssAuthentication, o->gss_authentication); |
| 2994 | dump_cfg_fmtint(sGssCleanupCreds, o->gss_cleanup_creds); |
| 2995 | #endif |
| 2996 | dump_cfg_fmtint(sPasswordAuthentication, o->password_authentication); |
| 2997 | dump_cfg_fmtint(sKbdInteractiveAuthentication, |
| 2998 | o->kbd_interactive_authentication); |
| 2999 | dump_cfg_fmtint(sPrintMotd, o->print_motd); |
| 3000 | dump_cfg_fmtint(sPrintLastLog, o->print_lastlog); |
| 3001 | dump_cfg_fmtint(sX11Forwarding, o->x11_forwarding); |
| 3002 | dump_cfg_fmtint(sX11UseLocalhost, o->x11_use_localhost); |
| 3003 | dump_cfg_fmtint(sPermitTTY, o->permit_tty); |
| 3004 | dump_cfg_fmtint(sPermitUserRC, o->permit_user_rc); |
| 3005 | dump_cfg_fmtint(sStrictModes, o->strict_modes); |
| 3006 | dump_cfg_fmtint(sTCPKeepAlive, o->tcp_keep_alive); |
| 3007 | dump_cfg_fmtint(sEmptyPasswd, o->permit_empty_passwd); |
| 3008 | dump_cfg_fmtint(sCompression, o->compression); |
| 3009 | dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports); |
| 3010 | dump_cfg_fmtint(sUseDNS, o->use_dns); |
| 3011 | dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding); |
| 3012 | dump_cfg_fmtint(sAllowAgentForwarding, o->allow_agent_forwarding); |
| 3013 | dump_cfg_fmtint(sDisableForwarding, o->disable_forwarding); |
| 3014 | dump_cfg_fmtint(sAllowStreamLocalForwarding, o->allow_streamlocal_forwarding); |
| 3015 | dump_cfg_fmtint(sStreamLocalBindUnlink, o->fwd_opts.streamlocal_bind_unlink); |
| 3016 | dump_cfg_fmtint(sFingerprintHash, o->fingerprint_hash); |
| 3017 | dump_cfg_fmtint(sExposeAuthInfo, o->expose_userauth_info); |
| 3018 | |
| 3019 | /* string arguments */ |
| 3020 | dump_cfg_string(sPidFile, o->pid_file); |
| 3021 | dump_cfg_string(sModuliFile, o->moduli_file); |
| 3022 | dump_cfg_string(sXAuthLocation, o->xauth_location); |
| 3023 | dump_cfg_string(sCiphers, o->ciphers); |
| 3024 | dump_cfg_string(sMacs, o->macs); |
| 3025 | dump_cfg_string(sBanner, o->banner); |
| 3026 | dump_cfg_string(sForceCommand, o->adm_forced_command); |
| 3027 | dump_cfg_string(sChrootDirectory, o->chroot_directory); |
| 3028 | dump_cfg_string(sTrustedUserCAKeys, o->trusted_user_ca_keys); |
| 3029 | dump_cfg_string(sRevokedKeys, o->revoked_keys_file); |
| 3030 | dump_cfg_string(sSecurityKeyProvider, o->sk_provider); |
| 3031 | dump_cfg_string(sAuthorizedPrincipalsFile, |
| 3032 | o->authorized_principals_file); |
| 3033 | dump_cfg_string(sVersionAddendum, *o->version_addendum == '\0' |
| 3034 | ? "none" : o->version_addendum); |
| 3035 | dump_cfg_string(sAuthorizedKeysCommand, o->authorized_keys_command); |
| 3036 | dump_cfg_string(sAuthorizedKeysCommandUser, o->authorized_keys_command_user); |
| 3037 | dump_cfg_string(sAuthorizedPrincipalsCommand, o->authorized_principals_command); |
| 3038 | dump_cfg_string(sAuthorizedPrincipalsCommandUser, o->authorized_principals_command_user); |
| 3039 | dump_cfg_string(sHostKeyAgent, o->host_key_agent); |
| 3040 | dump_cfg_string(sKexAlgorithms, o->kex_algorithms); |
| 3041 | dump_cfg_string(sCASignatureAlgorithms, o->ca_sign_algorithms); |
| 3042 | dump_cfg_string(sHostbasedAcceptedAlgorithms, o->hostbased_accepted_algos); |
| 3043 | dump_cfg_string(sHostKeyAlgorithms, o->hostkeyalgorithms); |
| 3044 | dump_cfg_string(sPubkeyAcceptedAlgorithms, o->pubkey_accepted_algos); |
| 3045 | dump_cfg_string(sRDomain, o->routing_domain); |
| 3046 | |
| 3047 | /* string arguments requiring a lookup */ |
| 3048 | dump_cfg_string(sLogLevel, log_level_name(o->log_level)); |
| 3049 | dump_cfg_string(sLogFacility, log_facility_name(o->log_facility)); |
| 3050 | |
| 3051 | /* string array arguments */ |
| 3052 | dump_cfg_strarray_oneline(sAuthorizedKeysFile, o->num_authkeys_files, |
| 3053 | o->authorized_keys_files); |
| 3054 | dump_cfg_strarray(sHostKeyFile, o->num_host_key_files, |
| 3055 | o->host_key_files); |
| 3056 | dump_cfg_strarray(sHostCertificate, o->num_host_cert_files, |
| 3057 | o->host_cert_files); |
| 3058 | dump_cfg_strarray(sAllowUsers, o->num_allow_users, o->allow_users); |
| 3059 | dump_cfg_strarray(sDenyUsers, o->num_deny_users, o->deny_users); |
| 3060 | dump_cfg_strarray(sAllowGroups, o->num_allow_groups, o->allow_groups); |
| 3061 | dump_cfg_strarray(sDenyGroups, o->num_deny_groups, o->deny_groups); |
| 3062 | dump_cfg_strarray(sAcceptEnv, o->num_accept_env, o->accept_env); |
| 3063 | dump_cfg_strarray(sSetEnv, o->num_setenv, o->setenv); |
| 3064 | dump_cfg_strarray_oneline(sAuthenticationMethods, |
| 3065 | o->num_auth_methods, o->auth_methods); |
| 3066 | dump_cfg_strarray_oneline(sLogVerbose, |
| 3067 | o->num_log_verbose, o->log_verbose); |
| 3068 | dump_cfg_strarray_oneline(sChannelTimeout, |
| 3069 | o->num_channel_timeouts, o->channel_timeouts); |
| 3070 | |
| 3071 | /* other arguments */ |
| 3072 | for (i = 0; i < o->num_subsystems; i++) |
| 3073 | printf("subsystem %s %s\n", o->subsystem_name[i], |
| 3074 | o->subsystem_args[i]); |
| 3075 | |
| 3076 | printf("maxstartups %d:%d:%d\n", o->max_startups_begin, |
| 3077 | o->max_startups_rate, o->max_startups); |
| 3078 | printf("persourcemaxstartups "); |
| 3079 | if (o->per_source_max_startups == INT_MAX0x7fffffff) |
| 3080 | printf("none\n"); |
| 3081 | else |
| 3082 | printf("%d\n", o->per_source_max_startups); |
| 3083 | printf("persourcenetblocksize %d:%d\n", o->per_source_masklen_ipv4, |
| 3084 | o->per_source_masklen_ipv6); |
| 3085 | |
| 3086 | s = NULL((void *)0); |
| 3087 | for (i = 0; tunmode_desc[i].val != -1; i++) { |
| 3088 | if (tunmode_desc[i].val == o->permit_tun) { |
| 3089 | s = tunmode_desc[i].text; |
| 3090 | break; |
| 3091 | } |
| 3092 | } |
| 3093 | dump_cfg_string(sPermitTunnel, s); |
| 3094 | |
| 3095 | printf("ipqos %s ", iptos2str(o->ip_qos_interactive)); |
| 3096 | printf("%s\n", iptos2str(o->ip_qos_bulk)); |
| 3097 | |
| 3098 | printf("rekeylimit %llu %d\n", (unsigned long long)o->rekey_limit, |
| 3099 | o->rekey_interval); |
| 3100 | |
| 3101 | printf("permitopen"); |
| 3102 | if (o->num_permitted_opens == 0) |
| 3103 | printf(" any"); |
| 3104 | else { |
| 3105 | for (i = 0; i < o->num_permitted_opens; i++) |
| 3106 | printf(" %s", o->permitted_opens[i]); |
| 3107 | } |
| 3108 | printf("\n"); |
| 3109 | printf("permitlisten"); |
| 3110 | if (o->num_permitted_listens == 0) |
| 3111 | printf(" any"); |
| 3112 | else { |
| 3113 | for (i = 0; i < o->num_permitted_listens; i++) |
| 3114 | printf(" %s", o->permitted_listens[i]); |
| 3115 | } |
| 3116 | printf("\n"); |
| 3117 | |
| 3118 | if (o->permit_user_env_allowlist == NULL((void *)0)) { |
| 3119 | dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env); |
| 3120 | } else { |
| 3121 | printf("permituserenvironment %s\n", |
| 3122 | o->permit_user_env_allowlist); |
| 3123 | } |
| 3124 | |
| 3125 | printf("pubkeyauthoptions"); |
| 3126 | if (o->pubkey_auth_options == 0) |
| 3127 | printf(" none"); |
| 3128 | if (o->pubkey_auth_options & PUBKEYAUTH_TOUCH_REQUIRED(1)) |
| 3129 | printf(" touch-required"); |
| 3130 | if (o->pubkey_auth_options & PUBKEYAUTH_VERIFY_REQUIRED(1<<1)) |
| 3131 | printf(" verify-required"); |
| 3132 | printf("\n"); |
| 3133 | } |