Annotation of src/usr.bin/ssh/servconf.c, Revision 1.334
1.226 dtucker 1:
1.334 ! djm 2: /* $OpenBSD: servconf.c,v 1.333 2018/06/19 02:59:41 djm Exp $ */
1.1 deraadt 3: /*
1.26 deraadt 4: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
5: * All rights reserved
1.34 markus 6: *
1.51 deraadt 7: * As far as I am concerned, the code I have written for this software
8: * can be used freely for any purpose. Any derived versions of this
9: * software must be clearly marked as such, and if the derived work is
10: * incompatible with the protocol description in the RFC file, it must be
11: * called by a name other than "ssh" or "Secure Shell".
1.26 deraadt 12: */
1.1 deraadt 13:
1.152 stevesk 14: #include <sys/types.h>
15: #include <sys/socket.h>
1.179 djm 16: #include <sys/queue.h>
1.315 djm 17: #include <sys/sysctl.h>
1.154 stevesk 18:
1.213 djm 19: #include <netinet/in.h>
20: #include <netinet/ip.h>
1.315 djm 21: #include <net/route.h>
1.213 djm 22:
1.235 dtucker 23: #include <ctype.h>
1.154 stevesk 24: #include <netdb.h>
1.165 dtucker 25: #include <pwd.h>
1.162 stevesk 26: #include <stdio.h>
1.161 stevesk 27: #include <stdlib.h>
1.160 stevesk 28: #include <string.h>
1.164 deraadt 29: #include <signal.h>
1.155 stevesk 30: #include <unistd.h>
1.259 deraadt 31: #include <limits.h>
1.164 deraadt 32: #include <stdarg.h>
1.182 dtucker 33: #include <errno.h>
1.236 dtucker 34: #include <util.h>
1.1 deraadt 35:
1.164 deraadt 36: #include "xmalloc.h"
1.1 deraadt 37: #include "ssh.h"
1.62 markus 38: #include "log.h"
1.164 deraadt 39: #include "buffer.h"
1.251 millert 40: #include "misc.h"
1.1 deraadt 41: #include "servconf.h"
1.33 markus 42: #include "compat.h"
1.60 markus 43: #include "pathnames.h"
1.62 markus 44: #include "cipher.h"
1.164 deraadt 45: #include "key.h"
1.66 markus 46: #include "kex.h"
47: #include "mac.h"
1.153 dtucker 48: #include "match.h"
1.156 dtucker 49: #include "channels.h"
1.165 dtucker 50: #include "groupaccess.h"
1.226 dtucker 51: #include "canohost.h"
52: #include "packet.h"
1.232 djm 53: #include "hostfile.h"
54: #include "auth.h"
1.252 djm 55: #include "myproposal.h"
1.256 djm 56: #include "digest.h"
1.1 deraadt 57:
1.315 djm 58: static void add_listen_addr(ServerOptions *, const char *,
59: const char *, int);
60: static void add_one_listen_addr(ServerOptions *, const char *,
61: const char *, int);
1.29 markus 62:
1.102 provos 63: /* Use of privilege separation or not */
64: extern int use_privsep;
1.153 dtucker 65: extern Buffer cfg;
1.62 markus 66:
1.1 deraadt 67: /* Initializes the server options to their default values. */
68:
1.34 markus 69: void
1.25 markus 70: initialize_server_options(ServerOptions *options)
1.1 deraadt 71: {
1.25 markus 72: memset(options, 0, sizeof(*options));
1.29 markus 73: options->num_ports = 0;
74: options->ports_from_cmdline = 0;
1.266 dtucker 75: options->queued_listen_addrs = NULL;
76: options->num_queued_listens = 0;
1.29 markus 77: options->listen_addrs = NULL;
1.315 djm 78: options->num_listen_addrs = 0;
1.138 djm 79: options->address_family = -1;
1.316 djm 80: options->routing_domain = NULL;
1.54 markus 81: options->num_host_key_files = 0;
1.203 djm 82: options->num_host_cert_files = 0;
1.240 markus 83: options->host_key_agent = NULL;
1.36 markus 84: options->pid_file = NULL;
1.25 markus 85: options->login_grace_time = -1;
1.279 chris 86: options->permit_root_login = PERMIT_NOT_SET;
1.25 markus 87: options->ignore_rhosts = -1;
88: options->ignore_user_known_hosts = -1;
89: options->print_motd = -1;
1.72 stevesk 90: options->print_lastlog = -1;
1.25 markus 91: options->x11_forwarding = -1;
92: options->x11_display_offset = -1;
1.99 stevesk 93: options->x11_use_localhost = -1;
1.244 djm 94: options->permit_tty = -1;
1.250 djm 95: options->permit_user_rc = -1;
1.42 markus 96: options->xauth_location = NULL;
1.25 markus 97: options->strict_modes = -1;
1.129 markus 98: options->tcp_keep_alive = -1;
1.101 markus 99: options->log_facility = SYSLOG_FACILITY_NOT_SET;
100: options->log_level = SYSLOG_LEVEL_NOT_SET;
1.75 markus 101: options->hostbased_authentication = -1;
102: options->hostbased_uses_name_from_packet_only = -1;
1.258 djm 103: options->hostbased_key_types = NULL;
1.276 markus 104: options->hostkeyalgorithms = NULL;
1.54 markus 105: options->pubkey_authentication = -1;
1.258 djm 106: options->pubkey_key_types = NULL;
1.25 markus 107: options->kerberos_authentication = -1;
108: options->kerberos_or_local_passwd = -1;
109: options->kerberos_ticket_cleanup = -1;
1.130 jakob 110: options->kerberos_get_afs_token = -1;
1.125 markus 111: options->gss_authentication=-1;
112: options->gss_cleanup_creds = -1;
1.271 djm 113: options->gss_strict_acceptor = -1;
1.25 markus 114: options->password_authentication = -1;
1.52 markus 115: options->kbd_interactive_authentication = -1;
1.80 markus 116: options->challenge_response_authentication = -1;
1.25 markus 117: options->permit_empty_passwd = -1;
1.113 markus 118: options->permit_user_env = -1;
1.334 ! djm 119: options->permit_user_env_whitelist = NULL;
1.111 markus 120: options->compression = -1;
1.235 dtucker 121: options->rekey_limit = -1;
122: options->rekey_interval = -1;
1.53 markus 123: options->allow_tcp_forwarding = -1;
1.251 millert 124: options->allow_streamlocal_forwarding = -1;
1.178 pyr 125: options->allow_agent_forwarding = -1;
1.25 markus 126: options->num_allow_users = 0;
127: options->num_deny_users = 0;
128: options->num_allow_groups = 0;
129: options->num_deny_groups = 0;
1.33 markus 130: options->ciphers = NULL;
1.66 markus 131: options->macs = NULL;
1.211 djm 132: options->kex_algorithms = NULL;
1.251 millert 133: options->fwd_opts.gateway_ports = -1;
134: options->fwd_opts.streamlocal_bind_mask = (mode_t)-1;
135: options->fwd_opts.streamlocal_bind_unlink = -1;
1.43 jakob 136: options->num_subsystems = 0;
1.50 markus 137: options->max_startups_begin = -1;
138: options->max_startups_rate = -1;
1.46 markus 139: options->max_startups = -1;
1.133 dtucker 140: options->max_authtries = -1;
1.180 djm 141: options->max_sessions = -1;
1.57 markus 142: options->banner = NULL;
1.122 markus 143: options->use_dns = -1;
1.77 beck 144: options->client_alive_interval = -1;
145: options->client_alive_count_max = -1;
1.219 djm 146: options->num_authkeys_files = 0;
1.131 djm 147: options->num_accept_env = 0;
1.332 djm 148: options->num_setenv = 0;
1.145 reyk 149: options->permit_tun = -1;
1.310 djm 150: options->permitted_opens = NULL;
1.330 djm 151: options->permitted_listens = NULL;
1.158 dtucker 152: options->adm_forced_command = NULL;
1.176 djm 153: options->chroot_directory = NULL;
1.231 djm 154: options->authorized_keys_command = NULL;
155: options->authorized_keys_command_user = NULL;
1.204 djm 156: options->revoked_keys_file = NULL;
157: options->trusted_user_ca_keys = NULL;
1.208 djm 158: options->authorized_principals_file = NULL;
1.270 djm 159: options->authorized_principals_command = NULL;
160: options->authorized_principals_command_user = NULL;
1.213 djm 161: options->ip_qos_interactive = -1;
162: options->ip_qos_bulk = -1;
1.225 djm 163: options->version_addendum = NULL;
1.256 djm 164: options->fingerprint_hash = -1;
1.301 djm 165: options->disable_forwarding = -1;
1.309 djm 166: options->expose_userauth_info = -1;
1.1 deraadt 167: }
168:
1.257 djm 169: /* Returns 1 if a string option is unset or set to "none" or 0 otherwise. */
170: static int
171: option_clear_or_none(const char *o)
172: {
173: return o == NULL || strcasecmp(o, "none") == 0;
174: }
175:
1.282 djm 176: static void
177: assemble_algorithms(ServerOptions *o)
178: {
179: if (kex_assemble_names(KEX_SERVER_ENCRYPT, &o->ciphers) != 0 ||
180: kex_assemble_names(KEX_SERVER_MAC, &o->macs) != 0 ||
181: kex_assemble_names(KEX_SERVER_KEX, &o->kex_algorithms) != 0 ||
182: kex_assemble_names(KEX_DEFAULT_PK_ALG,
183: &o->hostkeyalgorithms) != 0 ||
184: kex_assemble_names(KEX_DEFAULT_PK_ALG,
185: &o->hostbased_key_types) != 0 ||
186: kex_assemble_names(KEX_DEFAULT_PK_ALG, &o->pubkey_key_types) != 0)
187: fatal("kex_assemble_names failed");
188: }
189:
1.314 djm 190: static void
191: array_append(const char *file, const int line, const char *directive,
192: char ***array, u_int *lp, const char *s)
193: {
194:
195: if (*lp >= INT_MAX)
196: fatal("%s line %d: Too many %s entries", file, line, directive);
197:
198: *array = xrecallocarray(*array, *lp, *lp + 1, sizeof(**array));
199: (*array)[*lp] = xstrdup(s);
200: (*lp)++;
201: }
202:
203: void
204: servconf_add_hostkey(const char *file, const int line,
205: ServerOptions *options, const char *path)
206: {
207: char *apath = derelativise_path(path);
208:
209: array_append(file, line, "HostKey",
210: &options->host_key_files, &options->num_host_key_files, apath);
211: free(apath);
212: }
213:
214: void
215: servconf_add_hostcert(const char *file, const int line,
216: ServerOptions *options, const char *path)
217: {
218: char *apath = derelativise_path(path);
219:
220: array_append(file, line, "HostCertificate",
221: &options->host_cert_files, &options->num_host_cert_files, apath);
222: free(apath);
223: }
224:
1.34 markus 225: void
1.25 markus 226: fill_default_server_options(ServerOptions *options)
1.1 deraadt 227: {
1.314 djm 228: u_int i;
1.257 djm 229:
1.54 markus 230: if (options->num_host_key_files == 0) {
1.293 naddy 231: /* fill default hostkeys */
1.314 djm 232: servconf_add_hostkey("[default]", 0, options,
233: _PATH_HOST_RSA_KEY_FILE);
234: servconf_add_hostkey("[default]", 0, options,
235: _PATH_HOST_ECDSA_KEY_FILE);
236: servconf_add_hostkey("[default]", 0, options,
237: _PATH_HOST_ED25519_KEY_FILE);
1.326 markus 238: #ifdef WITH_XMSS
1.325 markus 239: servconf_add_hostkey("[default]", 0, options,
240: _PATH_HOST_XMSS_KEY_FILE);
1.326 markus 241: #endif /* WITH_XMSS */
1.54 markus 242: }
1.203 djm 243: /* No certificates by default */
1.29 markus 244: if (options->num_ports == 0)
245: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
1.266 dtucker 246: if (options->address_family == -1)
247: options->address_family = AF_UNSPEC;
1.29 markus 248: if (options->listen_addrs == NULL)
1.315 djm 249: add_listen_addr(options, NULL, NULL, 0);
1.36 markus 250: if (options->pid_file == NULL)
1.257 djm 251: options->pid_file = xstrdup(_PATH_SSH_DAEMON_PID_FILE);
1.25 markus 252: if (options->login_grace_time == -1)
1.115 stevesk 253: options->login_grace_time = 120;
1.67 markus 254: if (options->permit_root_login == PERMIT_NOT_SET)
1.279 chris 255: options->permit_root_login = PERMIT_NO_PASSWD;
1.25 markus 256: if (options->ignore_rhosts == -1)
1.30 markus 257: options->ignore_rhosts = 1;
1.25 markus 258: if (options->ignore_user_known_hosts == -1)
259: options->ignore_user_known_hosts = 0;
260: if (options->print_motd == -1)
261: options->print_motd = 1;
1.72 stevesk 262: if (options->print_lastlog == -1)
263: options->print_lastlog = 1;
1.25 markus 264: if (options->x11_forwarding == -1)
1.30 markus 265: options->x11_forwarding = 0;
1.25 markus 266: if (options->x11_display_offset == -1)
1.30 markus 267: options->x11_display_offset = 10;
1.99 stevesk 268: if (options->x11_use_localhost == -1)
269: options->x11_use_localhost = 1;
1.42 markus 270: if (options->xauth_location == NULL)
1.257 djm 271: options->xauth_location = xstrdup(_PATH_XAUTH);
1.244 djm 272: if (options->permit_tty == -1)
273: options->permit_tty = 1;
1.250 djm 274: if (options->permit_user_rc == -1)
275: options->permit_user_rc = 1;
1.25 markus 276: if (options->strict_modes == -1)
277: options->strict_modes = 1;
1.129 markus 278: if (options->tcp_keep_alive == -1)
279: options->tcp_keep_alive = 1;
1.101 markus 280: if (options->log_facility == SYSLOG_FACILITY_NOT_SET)
1.25 markus 281: options->log_facility = SYSLOG_FACILITY_AUTH;
1.101 markus 282: if (options->log_level == SYSLOG_LEVEL_NOT_SET)
1.58 markus 283: options->log_level = SYSLOG_LEVEL_INFO;
1.75 markus 284: if (options->hostbased_authentication == -1)
285: options->hostbased_authentication = 0;
286: if (options->hostbased_uses_name_from_packet_only == -1)
287: options->hostbased_uses_name_from_packet_only = 0;
1.54 markus 288: if (options->pubkey_authentication == -1)
289: options->pubkey_authentication = 1;
1.25 markus 290: if (options->kerberos_authentication == -1)
1.107 markus 291: options->kerberos_authentication = 0;
1.25 markus 292: if (options->kerberos_or_local_passwd == -1)
293: options->kerberos_or_local_passwd = 1;
294: if (options->kerberos_ticket_cleanup == -1)
295: options->kerberos_ticket_cleanup = 1;
1.130 jakob 296: if (options->kerberos_get_afs_token == -1)
297: options->kerberos_get_afs_token = 0;
1.125 markus 298: if (options->gss_authentication == -1)
299: options->gss_authentication = 0;
300: if (options->gss_cleanup_creds == -1)
301: options->gss_cleanup_creds = 1;
1.271 djm 302: if (options->gss_strict_acceptor == -1)
1.302 djm 303: options->gss_strict_acceptor = 1;
1.25 markus 304: if (options->password_authentication == -1)
305: options->password_authentication = 1;
1.52 markus 306: if (options->kbd_interactive_authentication == -1)
307: options->kbd_interactive_authentication = 0;
1.80 markus 308: if (options->challenge_response_authentication == -1)
309: options->challenge_response_authentication = 1;
1.25 markus 310: if (options->permit_empty_passwd == -1)
1.30 markus 311: options->permit_empty_passwd = 0;
1.334 ! djm 312: if (options->permit_user_env == -1) {
1.113 markus 313: options->permit_user_env = 0;
1.334 ! djm 314: options->permit_user_env_whitelist = NULL;
! 315: }
1.111 markus 316: if (options->compression == -1)
1.143 markus 317: options->compression = COMP_DELAYED;
1.235 dtucker 318: if (options->rekey_limit == -1)
319: options->rekey_limit = 0;
320: if (options->rekey_interval == -1)
321: options->rekey_interval = 0;
1.53 markus 322: if (options->allow_tcp_forwarding == -1)
1.233 djm 323: options->allow_tcp_forwarding = FORWARD_ALLOW;
1.251 millert 324: if (options->allow_streamlocal_forwarding == -1)
325: options->allow_streamlocal_forwarding = FORWARD_ALLOW;
1.178 pyr 326: if (options->allow_agent_forwarding == -1)
327: options->allow_agent_forwarding = 1;
1.251 millert 328: if (options->fwd_opts.gateway_ports == -1)
329: options->fwd_opts.gateway_ports = 0;
1.46 markus 330: if (options->max_startups == -1)
1.234 dtucker 331: options->max_startups = 100;
1.50 markus 332: if (options->max_startups_rate == -1)
1.234 dtucker 333: options->max_startups_rate = 30; /* 30% */
1.50 markus 334: if (options->max_startups_begin == -1)
1.234 dtucker 335: options->max_startups_begin = 10;
1.133 dtucker 336: if (options->max_authtries == -1)
337: options->max_authtries = DEFAULT_AUTH_FAIL_MAX;
1.180 djm 338: if (options->max_sessions == -1)
339: options->max_sessions = DEFAULT_SESSIONS_MAX;
1.122 markus 340: if (options->use_dns == -1)
1.260 deraadt 341: options->use_dns = 0;
1.77 beck 342: if (options->client_alive_interval == -1)
1.95 deraadt 343: options->client_alive_interval = 0;
1.77 beck 344: if (options->client_alive_count_max == -1)
345: options->client_alive_count_max = 3;
1.219 djm 346: if (options->num_authkeys_files == 0) {
1.314 djm 347: array_append("[default]", 0, "AuthorizedKeysFiles",
348: &options->authorized_keys_files,
349: &options->num_authkeys_files,
350: _PATH_SSH_USER_PERMITTED_KEYS);
351: array_append("[default]", 0, "AuthorizedKeysFiles",
352: &options->authorized_keys_files,
353: &options->num_authkeys_files,
354: _PATH_SSH_USER_PERMITTED_KEYS2);
1.219 djm 355: }
1.145 reyk 356: if (options->permit_tun == -1)
1.146 reyk 357: options->permit_tun = SSH_TUNMODE_NO;
1.213 djm 358: if (options->ip_qos_interactive == -1)
1.327 job 359: options->ip_qos_interactive = IPTOS_DSCP_AF21;
1.213 djm 360: if (options->ip_qos_bulk == -1)
1.327 job 361: options->ip_qos_bulk = IPTOS_DSCP_CS1;
1.225 djm 362: if (options->version_addendum == NULL)
363: options->version_addendum = xstrdup("");
1.251 millert 364: if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
365: options->fwd_opts.streamlocal_bind_mask = 0177;
366: if (options->fwd_opts.streamlocal_bind_unlink == -1)
367: options->fwd_opts.streamlocal_bind_unlink = 0;
1.256 djm 368: if (options->fingerprint_hash == -1)
369: options->fingerprint_hash = SSH_FP_HASH_DEFAULT;
1.301 djm 370: if (options->disable_forwarding == -1)
371: options->disable_forwarding = 0;
1.309 djm 372: if (options->expose_userauth_info == -1)
373: options->expose_userauth_info = 0;
1.277 djm 374:
1.282 djm 375: assemble_algorithms(options);
1.277 djm 376:
1.285 djm 377: /* Turn privilege separation and sandboxing on by default */
1.102 provos 378: if (use_privsep == -1)
1.285 djm 379: use_privsep = PRIVSEP_ON;
1.257 djm 380:
381: #define CLEAR_ON_NONE(v) \
382: do { \
383: if (option_clear_or_none(v)) { \
384: free(v); \
385: v = NULL; \
386: } \
387: } while(0)
388: CLEAR_ON_NONE(options->pid_file);
389: CLEAR_ON_NONE(options->xauth_location);
390: CLEAR_ON_NONE(options->banner);
391: CLEAR_ON_NONE(options->trusted_user_ca_keys);
392: CLEAR_ON_NONE(options->revoked_keys_file);
1.267 djm 393: CLEAR_ON_NONE(options->authorized_principals_file);
1.283 djm 394: CLEAR_ON_NONE(options->adm_forced_command);
395: CLEAR_ON_NONE(options->chroot_directory);
1.316 djm 396: CLEAR_ON_NONE(options->routing_domain);
1.257 djm 397: for (i = 0; i < options->num_host_key_files; i++)
398: CLEAR_ON_NONE(options->host_key_files[i]);
399: for (i = 0; i < options->num_host_cert_files; i++)
400: CLEAR_ON_NONE(options->host_cert_files[i]);
401: #undef CLEAR_ON_NONE
1.291 djm 402:
403: /* Similar handling for AuthenticationMethods=any */
404: if (options->num_auth_methods == 1 &&
405: strcmp(options->auth_methods[0], "any") == 0) {
406: free(options->auth_methods[0]);
407: options->auth_methods[0] = NULL;
408: options->num_auth_methods = 0;
409: }
410:
1.1 deraadt 411: }
412:
413: /* Keyword tokens. */
1.25 markus 414: typedef enum {
415: sBadOption, /* == unknown option */
1.293 naddy 416: sPort, sHostKeyFile, sLoginGraceTime,
417: sPermitRootLogin, sLogFacility, sLogLevel,
1.25 markus 418: sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
1.323 dtucker 419: sKerberosGetAFSToken, sChallengeResponseAuthentication,
1.138 djm 420: sPasswordAuthentication, sKbdInteractiveAuthentication,
421: sListenAddress, sAddressFamily,
1.72 stevesk 422: sPrintMotd, sPrintLastLog, sIgnoreRhosts,
1.99 stevesk 423: sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost,
1.244 djm 424: sPermitTTY, sStrictModes, sEmptyPasswd, sTCPKeepAlive,
1.294 djm 425: sPermitUserEnvironment, sAllowTcpForwarding, sCompression,
1.235 dtucker 426: sRekeyLimit, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
1.293 naddy 427: sIgnoreUserKnownHosts, sCiphers, sMacs, sPidFile,
1.258 djm 428: sGatewayPorts, sPubkeyAuthentication, sPubkeyAcceptedKeyTypes,
429: sXAuthLocation, sSubsystem, sMaxStartups, sMaxAuthTries, sMaxSessions,
1.122 markus 430: sBanner, sUseDNS, sHostbasedAuthentication,
1.258 djm 431: sHostbasedUsesNameFromPacketOnly, sHostbasedAcceptedKeyTypes,
1.276 markus 432: sHostKeyAlgorithms,
1.258 djm 433: sClientAliveInterval, sClientAliveCountMax, sAuthorizedKeysFile,
1.271 djm 434: sGssAuthentication, sGssCleanupCreds, sGssStrictAcceptor,
1.332 djm 435: sAcceptEnv, sSetEnv, sPermitTunnel,
1.330 djm 436: sMatch, sPermitOpen, sPermitListen, sForceCommand, sChrootDirectory,
1.200 dtucker 437: sUsePrivilegeSeparation, sAllowAgentForwarding,
1.249 djm 438: sHostCertificate,
1.208 djm 439: sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile,
1.270 djm 440: sAuthorizedPrincipalsCommand, sAuthorizedPrincipalsCommandUser,
1.225 djm 441: sKexAlgorithms, sIPQoS, sVersionAddendum,
1.231 djm 442: sAuthorizedKeysCommand, sAuthorizedKeysCommandUser,
1.250 djm 443: sAuthenticationMethods, sHostKeyAgent, sPermitUserRC,
1.251 millert 444: sStreamLocalBindMask, sStreamLocalBindUnlink,
1.301 djm 445: sAllowStreamLocalForwarding, sFingerprintHash, sDisableForwarding,
1.316 djm 446: sExposeAuthInfo, sRDomain,
1.295 djm 447: sDeprecated, sIgnore, sUnsupported
1.1 deraadt 448: } ServerOpCodes;
449:
1.153 dtucker 450: #define SSHCFG_GLOBAL 0x01 /* allowed in main section of sshd_config */
451: #define SSHCFG_MATCH 0x02 /* allowed inside a Match section */
452: #define SSHCFG_ALL (SSHCFG_GLOBAL|SSHCFG_MATCH)
453:
1.1 deraadt 454: /* Textual representation of the tokens. */
1.25 markus 455: static struct {
456: const char *name;
457: ServerOpCodes opcode;
1.153 dtucker 458: u_int flags;
1.25 markus 459: } keywords[] = {
1.153 dtucker 460: { "port", sPort, SSHCFG_GLOBAL },
461: { "hostkey", sHostKeyFile, SSHCFG_GLOBAL },
462: { "hostdsakey", sHostKeyFile, SSHCFG_GLOBAL }, /* alias */
1.240 markus 463: { "hostkeyagent", sHostKeyAgent, SSHCFG_GLOBAL },
1.153 dtucker 464: { "pidfile", sPidFile, SSHCFG_GLOBAL },
1.293 naddy 465: { "serverkeybits", sDeprecated, SSHCFG_GLOBAL },
1.153 dtucker 466: { "logingracetime", sLoginGraceTime, SSHCFG_GLOBAL },
1.293 naddy 467: { "keyregenerationinterval", sDeprecated, SSHCFG_GLOBAL },
1.175 dtucker 468: { "permitrootlogin", sPermitRootLogin, SSHCFG_ALL },
1.153 dtucker 469: { "syslogfacility", sLogFacility, SSHCFG_GLOBAL },
1.308 djm 470: { "loglevel", sLogLevel, SSHCFG_ALL },
1.153 dtucker 471: { "rhostsauthentication", sDeprecated, SSHCFG_GLOBAL },
1.293 naddy 472: { "rhostsrsaauthentication", sDeprecated, SSHCFG_ALL },
1.168 dtucker 473: { "hostbasedauthentication", sHostbasedAuthentication, SSHCFG_ALL },
1.209 djm 474: { "hostbasedusesnamefrompacketonly", sHostbasedUsesNameFromPacketOnly, SSHCFG_ALL },
1.258 djm 475: { "hostbasedacceptedkeytypes", sHostbasedAcceptedKeyTypes, SSHCFG_ALL },
1.276 markus 476: { "hostkeyalgorithms", sHostKeyAlgorithms, SSHCFG_GLOBAL },
1.293 naddy 477: { "rsaauthentication", sDeprecated, SSHCFG_ALL },
1.168 dtucker 478: { "pubkeyauthentication", sPubkeyAuthentication, SSHCFG_ALL },
1.258 djm 479: { "pubkeyacceptedkeytypes", sPubkeyAcceptedKeyTypes, SSHCFG_ALL },
1.153 dtucker 480: { "dsaauthentication", sPubkeyAuthentication, SSHCFG_GLOBAL }, /* alias */
1.123 markus 481: #ifdef KRB5
1.168 dtucker 482: { "kerberosauthentication", sKerberosAuthentication, SSHCFG_ALL },
1.153 dtucker 483: { "kerberosorlocalpasswd", sKerberosOrLocalPasswd, SSHCFG_GLOBAL },
484: { "kerberosticketcleanup", sKerberosTicketCleanup, SSHCFG_GLOBAL },
485: { "kerberosgetafstoken", sKerberosGetAFSToken, SSHCFG_GLOBAL },
1.121 jakob 486: #else
1.168 dtucker 487: { "kerberosauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 488: { "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL },
489: { "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL },
490: { "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
1.126 markus 491: #endif
1.153 dtucker 492: { "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL },
493: { "afstokenpassing", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 494: #ifdef GSSAPI
1.168 dtucker 495: { "gssapiauthentication", sGssAuthentication, SSHCFG_ALL },
1.153 dtucker 496: { "gssapicleanupcredentials", sGssCleanupCreds, SSHCFG_GLOBAL },
1.271 djm 497: { "gssapistrictacceptorcheck", sGssStrictAcceptor, SSHCFG_GLOBAL },
1.125 markus 498: #else
1.168 dtucker 499: { "gssapiauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 500: { "gssapicleanupcredentials", sUnsupported, SSHCFG_GLOBAL },
1.271 djm 501: { "gssapistrictacceptorcheck", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 502: #endif
1.168 dtucker 503: { "passwordauthentication", sPasswordAuthentication, SSHCFG_ALL },
504: { "kbdinteractiveauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL },
1.170 dtucker 505: { "challengeresponseauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL },
1.153 dtucker 506: { "skeyauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL }, /* alias */
507: { "checkmail", sDeprecated, SSHCFG_GLOBAL },
508: { "listenaddress", sListenAddress, SSHCFG_GLOBAL },
509: { "addressfamily", sAddressFamily, SSHCFG_GLOBAL },
510: { "printmotd", sPrintMotd, SSHCFG_GLOBAL },
511: { "printlastlog", sPrintLastLog, SSHCFG_GLOBAL },
512: { "ignorerhosts", sIgnoreRhosts, SSHCFG_GLOBAL },
513: { "ignoreuserknownhosts", sIgnoreUserKnownHosts, SSHCFG_GLOBAL },
1.157 dtucker 514: { "x11forwarding", sX11Forwarding, SSHCFG_ALL },
515: { "x11displayoffset", sX11DisplayOffset, SSHCFG_ALL },
516: { "x11uselocalhost", sX11UseLocalhost, SSHCFG_ALL },
1.153 dtucker 517: { "xauthlocation", sXAuthLocation, SSHCFG_GLOBAL },
518: { "strictmodes", sStrictModes, SSHCFG_GLOBAL },
1.188 djm 519: { "permitemptypasswords", sEmptyPasswd, SSHCFG_ALL },
1.153 dtucker 520: { "permituserenvironment", sPermitUserEnvironment, SSHCFG_GLOBAL },
1.294 djm 521: { "uselogin", sDeprecated, SSHCFG_GLOBAL },
1.153 dtucker 522: { "compression", sCompression, SSHCFG_GLOBAL },
1.235 dtucker 523: { "rekeylimit", sRekeyLimit, SSHCFG_ALL },
1.153 dtucker 524: { "tcpkeepalive", sTCPKeepAlive, SSHCFG_GLOBAL },
525: { "keepalive", sTCPKeepAlive, SSHCFG_GLOBAL }, /* obsolete alias */
526: { "allowtcpforwarding", sAllowTcpForwarding, SSHCFG_ALL },
1.178 pyr 527: { "allowagentforwarding", sAllowAgentForwarding, SSHCFG_ALL },
1.227 markus 528: { "allowusers", sAllowUsers, SSHCFG_ALL },
529: { "denyusers", sDenyUsers, SSHCFG_ALL },
530: { "allowgroups", sAllowGroups, SSHCFG_ALL },
531: { "denygroups", sDenyGroups, SSHCFG_ALL },
1.153 dtucker 532: { "ciphers", sCiphers, SSHCFG_GLOBAL },
533: { "macs", sMacs, SSHCFG_GLOBAL },
1.295 djm 534: { "protocol", sIgnore, SSHCFG_GLOBAL },
1.153 dtucker 535: { "gatewayports", sGatewayPorts, SSHCFG_ALL },
536: { "subsystem", sSubsystem, SSHCFG_GLOBAL },
537: { "maxstartups", sMaxStartups, SSHCFG_GLOBAL },
1.184 dtucker 538: { "maxauthtries", sMaxAuthTries, SSHCFG_ALL },
1.180 djm 539: { "maxsessions", sMaxSessions, SSHCFG_ALL },
1.168 dtucker 540: { "banner", sBanner, SSHCFG_ALL },
1.153 dtucker 541: { "usedns", sUseDNS, SSHCFG_GLOBAL },
542: { "verifyreversemapping", sDeprecated, SSHCFG_GLOBAL },
543: { "reversemappingcheck", sDeprecated, SSHCFG_GLOBAL },
1.300 markus 544: { "clientaliveinterval", sClientAliveInterval, SSHCFG_ALL },
545: { "clientalivecountmax", sClientAliveCountMax, SSHCFG_ALL },
1.209 djm 546: { "authorizedkeysfile", sAuthorizedKeysFile, SSHCFG_ALL },
1.219 djm 547: { "authorizedkeysfile2", sDeprecated, SSHCFG_ALL },
1.306 djm 548: { "useprivilegeseparation", sDeprecated, SSHCFG_GLOBAL},
1.227 markus 549: { "acceptenv", sAcceptEnv, SSHCFG_ALL },
1.332 djm 550: { "setenv", sSetEnv, SSHCFG_ALL },
1.209 djm 551: { "permittunnel", sPermitTunnel, SSHCFG_ALL },
1.244 djm 552: { "permittty", sPermitTTY, SSHCFG_ALL },
1.250 djm 553: { "permituserrc", sPermitUserRC, SSHCFG_ALL },
1.153 dtucker 554: { "match", sMatch, SSHCFG_ALL },
1.156 dtucker 555: { "permitopen", sPermitOpen, SSHCFG_ALL },
1.330 djm 556: { "permitlisten", sPermitListen, SSHCFG_ALL },
1.158 dtucker 557: { "forcecommand", sForceCommand, SSHCFG_ALL },
1.176 djm 558: { "chrootdirectory", sChrootDirectory, SSHCFG_ALL },
1.203 djm 559: { "hostcertificate", sHostCertificate, SSHCFG_GLOBAL },
1.204 djm 560: { "revokedkeys", sRevokedKeys, SSHCFG_ALL },
561: { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL },
1.209 djm 562: { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL },
1.211 djm 563: { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL },
1.213 djm 564: { "ipqos", sIPQoS, SSHCFG_ALL },
1.231 djm 565: { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL },
566: { "authorizedkeyscommanduser", sAuthorizedKeysCommandUser, SSHCFG_ALL },
1.270 djm 567: { "authorizedprincipalscommand", sAuthorizedPrincipalsCommand, SSHCFG_ALL },
568: { "authorizedprincipalscommanduser", sAuthorizedPrincipalsCommandUser, SSHCFG_ALL },
1.225 djm 569: { "versionaddendum", sVersionAddendum, SSHCFG_GLOBAL },
1.232 djm 570: { "authenticationmethods", sAuthenticationMethods, SSHCFG_ALL },
1.251 millert 571: { "streamlocalbindmask", sStreamLocalBindMask, SSHCFG_ALL },
572: { "streamlocalbindunlink", sStreamLocalBindUnlink, SSHCFG_ALL },
573: { "allowstreamlocalforwarding", sAllowStreamLocalForwarding, SSHCFG_ALL },
1.256 djm 574: { "fingerprinthash", sFingerprintHash, SSHCFG_GLOBAL },
1.301 djm 575: { "disableforwarding", sDisableForwarding, SSHCFG_ALL },
1.309 djm 576: { "exposeauthinfo", sExposeAuthInfo, SSHCFG_ALL },
1.316 djm 577: { "rdomain", sRDomain, SSHCFG_ALL },
1.153 dtucker 578: { NULL, sBadOption, 0 }
1.1 deraadt 579: };
580:
1.182 dtucker 581: static struct {
582: int val;
583: char *text;
584: } tunmode_desc[] = {
585: { SSH_TUNMODE_NO, "no" },
586: { SSH_TUNMODE_POINTOPOINT, "point-to-point" },
587: { SSH_TUNMODE_ETHERNET, "ethernet" },
588: { SSH_TUNMODE_YES, "yes" },
589: { -1, NULL }
590: };
591:
1.329 djm 592: /* Returns an opcode name from its number */
593:
594: static const char *
595: lookup_opcode_name(ServerOpCodes code)
596: {
597: u_int i;
598:
599: for (i = 0; keywords[i].name != NULL; i++)
600: if (keywords[i].opcode == code)
601: return(keywords[i].name);
602: return "UNKNOWN";
603: }
604:
605:
1.27 markus 606: /*
1.73 stevesk 607: * Returns the number of the token pointed to by cp or sBadOption.
1.27 markus 608: */
1.1 deraadt 609:
1.34 markus 610: static ServerOpCodes
1.25 markus 611: parse_token(const char *cp, const char *filename,
1.153 dtucker 612: int linenum, u_int *flags)
1.1 deraadt 613: {
1.55 markus 614: u_int i;
1.1 deraadt 615:
1.25 markus 616: for (i = 0; keywords[i].name; i++)
1.153 dtucker 617: if (strcasecmp(cp, keywords[i].name) == 0) {
618: *flags = keywords[i].flags;
1.25 markus 619: return keywords[i].opcode;
1.153 dtucker 620: }
1.25 markus 621:
1.78 stevesk 622: error("%s: line %d: Bad configuration option: %s",
623: filename, linenum, cp);
1.25 markus 624: return sBadOption;
1.1 deraadt 625: }
626:
1.202 djm 627: char *
628: derelativise_path(const char *path)
629: {
1.259 deraadt 630: char *expanded, *ret, cwd[PATH_MAX];
1.202 djm 631:
1.257 djm 632: if (strcasecmp(path, "none") == 0)
633: return xstrdup("none");
1.202 djm 634: expanded = tilde_expand_filename(path, getuid());
635: if (*expanded == '/')
636: return expanded;
1.207 djm 637: if (getcwd(cwd, sizeof(cwd)) == NULL)
1.202 djm 638: fatal("%s: getcwd: %s", __func__, strerror(errno));
639: xasprintf(&ret, "%s/%s", cwd, expanded);
1.239 djm 640: free(expanded);
1.202 djm 641: return ret;
642: }
643:
1.84 itojun 644: static void
1.315 djm 645: add_listen_addr(ServerOptions *options, const char *addr,
646: const char *rdomain, int port)
1.74 stevesk 647: {
1.142 djm 648: u_int i;
1.74 stevesk 649:
1.315 djm 650: if (port > 0)
651: add_one_listen_addr(options, addr, rdomain, port);
652: else {
653: for (i = 0; i < options->num_ports; i++) {
654: add_one_listen_addr(options, addr, rdomain,
655: options->ports[i]);
656: }
657: }
1.74 stevesk 658: }
659:
1.84 itojun 660: static void
1.315 djm 661: add_one_listen_addr(ServerOptions *options, const char *addr,
662: const char *rdomain, int port)
1.29 markus 663: {
664: struct addrinfo hints, *ai, *aitop;
665: char strport[NI_MAXSERV];
666: int gaierr;
1.315 djm 667: u_int i;
668:
669: /* Find listen_addrs entry for this rdomain */
670: for (i = 0; i < options->num_listen_addrs; i++) {
671: if (rdomain == NULL && options->listen_addrs[i].rdomain == NULL)
672: break;
673: if (rdomain == NULL || options->listen_addrs[i].rdomain == NULL)
674: continue;
675: if (strcmp(rdomain, options->listen_addrs[i].rdomain) == 0)
676: break;
677: }
678: if (i >= options->num_listen_addrs) {
679: /* No entry for this rdomain; allocate one */
680: if (i >= INT_MAX)
681: fatal("%s: too many listen addresses", __func__);
682: options->listen_addrs = xrecallocarray(options->listen_addrs,
683: options->num_listen_addrs, options->num_listen_addrs + 1,
684: sizeof(*options->listen_addrs));
685: i = options->num_listen_addrs++;
686: if (rdomain != NULL)
687: options->listen_addrs[i].rdomain = xstrdup(rdomain);
688: }
689: /* options->listen_addrs[i] points to the addresses for this rdomain */
1.29 markus 690:
1.74 stevesk 691: memset(&hints, 0, sizeof(hints));
1.138 djm 692: hints.ai_family = options->address_family;
1.74 stevesk 693: hints.ai_socktype = SOCK_STREAM;
694: hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
1.194 djm 695: snprintf(strport, sizeof strport, "%d", port);
1.74 stevesk 696: if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
697: fatal("bad addr or host: %s (%s)",
698: addr ? addr : "<NULL>",
1.173 dtucker 699: ssh_gai_strerror(gaierr));
1.74 stevesk 700: for (ai = aitop; ai->ai_next; ai = ai->ai_next)
701: ;
1.315 djm 702: ai->ai_next = options->listen_addrs[i].addrs;
703: options->listen_addrs[i].addrs = aitop;
704: }
705:
706: /* Returns nonzero if the routing domain name is valid */
707: static int
708: valid_rdomain(const char *name)
709: {
710: const char *errstr;
711: long long num;
712: struct rt_tableinfo info;
713: int mib[6];
714: size_t miblen = sizeof(mib);
715:
716: if (name == NULL)
717: return 1;
718:
719: num = strtonum(name, 0, 255, &errstr);
720: if (errstr != NULL)
721: return 0;
722:
723: /* Check whether the table actually exists */
724: memset(mib, 0, sizeof(mib));
725: mib[0] = CTL_NET;
726: mib[1] = PF_ROUTE;
727: mib[4] = NET_RT_TABLE;
728: mib[5] = (int)num;
729: if (sysctl(mib, 6, &info, &miblen, NULL, 0) == -1)
730: return 0;
731:
732: return 1;
1.29 markus 733: }
734:
1.266 dtucker 735: /*
736: * Queue a ListenAddress to be processed once we have all of the Ports
737: * and AddressFamily options.
738: */
739: static void
1.315 djm 740: queue_listen_addr(ServerOptions *options, const char *addr,
741: const char *rdomain, int port)
1.266 dtucker 742: {
1.315 djm 743: struct queued_listenaddr *qla;
744:
745: options->queued_listen_addrs = xrecallocarray(
746: options->queued_listen_addrs,
747: options->num_queued_listens, options->num_queued_listens + 1,
748: sizeof(*options->queued_listen_addrs));
749: qla = &options->queued_listen_addrs[options->num_queued_listens++];
750: qla->addr = xstrdup(addr);
751: qla->port = port;
752: qla->rdomain = rdomain == NULL ? NULL : xstrdup(rdomain);
1.266 dtucker 753: }
754:
755: /*
756: * Process queued (text) ListenAddress entries.
757: */
758: static void
759: process_queued_listen_addrs(ServerOptions *options)
760: {
761: u_int i;
1.315 djm 762: struct queued_listenaddr *qla;
1.266 dtucker 763:
764: if (options->num_ports == 0)
765: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
766: if (options->address_family == -1)
767: options->address_family = AF_UNSPEC;
768:
769: for (i = 0; i < options->num_queued_listens; i++) {
1.315 djm 770: qla = &options->queued_listen_addrs[i];
771: add_listen_addr(options, qla->addr, qla->rdomain, qla->port);
772: free(qla->addr);
773: free(qla->rdomain);
1.266 dtucker 774: }
775: free(options->queued_listen_addrs);
776: options->queued_listen_addrs = NULL;
777: options->num_queued_listens = 0;
778: }
779:
1.310 djm 780: /*
1.329 djm 781: * Inform channels layer of permitopen options for a single forwarding
782: * direction (local/remote).
1.310 djm 783: */
1.329 djm 784: static void
785: process_permitopen_list(struct ssh *ssh, ServerOpCodes opcode,
786: char **opens, u_int num_opens)
1.310 djm 787: {
788: u_int i;
789: int port;
790: char *host, *arg, *oarg;
1.329 djm 791: int where = opcode == sPermitOpen ? FORWARD_LOCAL : FORWARD_REMOTE;
792: const char *what = lookup_opcode_name(opcode);
1.310 djm 793:
1.329 djm 794: channel_clear_permission(ssh, FORWARD_ADM, where);
795: if (num_opens == 0)
1.310 djm 796: return; /* permit any */
797:
798: /* handle keywords: "any" / "none" */
1.329 djm 799: if (num_opens == 1 && strcmp(opens[0], "any") == 0)
1.310 djm 800: return;
1.329 djm 801: if (num_opens == 1 && strcmp(opens[0], "none") == 0) {
802: channel_disable_admin(ssh, where);
1.310 djm 803: return;
804: }
805: /* Otherwise treat it as a list of permitted host:port */
1.329 djm 806: for (i = 0; i < num_opens; i++) {
807: oarg = arg = xstrdup(opens[i]);
1.310 djm 808: host = hpdelim(&arg);
809: if (host == NULL)
1.329 djm 810: fatal("%s: missing host in %s", __func__, what);
1.310 djm 811: host = cleanhostname(host);
812: if (arg == NULL || ((port = permitopen_port(arg)) < 0))
1.329 djm 813: fatal("%s: bad port number in %s", __func__, what);
1.310 djm 814: /* Send it to channels layer */
1.329 djm 815: channel_add_permission(ssh, FORWARD_ADM,
816: where, host, port);
1.310 djm 817: free(oarg);
818: }
819: }
820:
1.329 djm 821: /*
822: * Inform channels layer of permitopen options from configuration.
823: */
824: void
825: process_permitopen(struct ssh *ssh, ServerOptions *options)
826: {
827: process_permitopen_list(ssh, sPermitOpen,
828: options->permitted_opens, options->num_permitted_opens);
1.330 djm 829: process_permitopen_list(ssh, sPermitListen,
830: options->permitted_listens,
831: options->num_permitted_listens);
1.329 djm 832: }
833:
1.226 dtucker 834: struct connection_info *
835: get_connection_info(int populate, int use_dns)
836: {
1.286 djm 837: struct ssh *ssh = active_state; /* XXX */
1.226 dtucker 838: static struct connection_info ci;
839:
840: if (!populate)
841: return &ci;
1.286 djm 842: ci.host = auth_get_canonical_hostname(ssh, use_dns);
843: ci.address = ssh_remote_ipaddr(ssh);
844: ci.laddress = ssh_local_ipaddr(ssh);
845: ci.lport = ssh_local_port(ssh);
1.317 djm 846: ci.rdomain = ssh_packet_rdomain_in(ssh);
1.226 dtucker 847: return &ci;
848: }
849:
1.153 dtucker 850: /*
851: * The strategy for the Match blocks is that the config file is parsed twice.
852: *
853: * The first time is at startup. activep is initialized to 1 and the
854: * directives in the global context are processed and acted on. Hitting a
855: * Match directive unsets activep and the directives inside the block are
856: * checked for syntax only.
857: *
858: * The second time is after a connection has been established but before
859: * authentication. activep is initialized to 2 and global config directives
860: * are ignored since they have already been processed. If the criteria in a
861: * Match block is met, activep is set and the subsequent directives
862: * processed and actioned until EOF or another Match block unsets it. Any
863: * options set are copied into the main server config.
864: *
865: * Potential additions/improvements:
1.295 djm 866: * - Add Match support for pre-kex directives, eg. Ciphers.
1.153 dtucker 867: *
868: * - Add a Tag directive (idea from David Leonard) ala pf, eg:
869: * Match Address 192.168.0.*
870: * Tag trusted
871: * Match Group wheel
872: * Tag trusted
873: * Match Tag trusted
874: * AllowTcpForwarding yes
875: * GatewayPorts clientspecified
876: * [...]
877: *
878: * - Add a PermittedChannelRequests directive
879: * Match Group shell
880: * PermittedChannelRequests session,forwarded-tcpip
881: */
882:
883: static int
1.165 dtucker 884: match_cfg_line_group(const char *grps, int line, const char *user)
885: {
886: int result = 0;
887: struct passwd *pw;
888:
889: if (user == NULL)
890: goto out;
891:
892: if ((pw = getpwnam(user)) == NULL) {
893: debug("Can't match group at line %d because user %.100s does "
894: "not exist", line, user);
895: } else if (ga_init(pw->pw_name, pw->pw_gid) == 0) {
896: debug("Can't Match group because user %.100s not in any group "
897: "at line %d", user, line);
1.186 djm 898: } else if (ga_match_pattern_list(grps) != 1) {
899: debug("user %.100s does not match group list %.100s at line %d",
900: user, grps, line);
1.165 dtucker 901: } else {
1.186 djm 902: debug("user %.100s matched group list %.100s at line %d", user,
903: grps, line);
1.165 dtucker 904: result = 1;
905: }
906: out:
907: ga_free();
908: return result;
909: }
910:
1.319 dtucker 911: static void
912: match_test_missing_fatal(const char *criteria, const char *attrib)
913: {
914: fatal("'Match %s' in configuration but '%s' not in connection "
915: "test specification.", criteria, attrib);
916: }
917:
1.226 dtucker 918: /*
1.230 dtucker 919: * All of the attributes on a single Match line are ANDed together, so we need
1.242 dtucker 920: * to check every attribute and set the result to zero if any attribute does
1.230 dtucker 921: * not match.
1.226 dtucker 922: */
1.165 dtucker 923: static int
1.226 dtucker 924: match_cfg_line(char **condition, int line, struct connection_info *ci)
1.153 dtucker 925: {
1.243 dtucker 926: int result = 1, attributes = 0, port;
1.153 dtucker 927: char *arg, *attrib, *cp = *condition;
928:
1.226 dtucker 929: if (ci == NULL)
1.153 dtucker 930: debug3("checking syntax for 'Match %s'", cp);
931: else
1.226 dtucker 932: debug3("checking match for '%s' user %s host %s addr %s "
933: "laddr %s lport %d", cp, ci->user ? ci->user : "(null)",
934: ci->host ? ci->host : "(null)",
935: ci->address ? ci->address : "(null)",
936: ci->laddress ? ci->laddress : "(null)", ci->lport);
1.153 dtucker 937:
938: while ((attrib = strdelim(&cp)) && *attrib != '\0') {
1.243 dtucker 939: attributes++;
940: if (strcasecmp(attrib, "all") == 0) {
941: if (attributes != 1 ||
942: ((arg = strdelim(&cp)) != NULL && *arg != '\0')) {
943: error("'all' cannot be combined with other "
944: "Match attributes");
945: return -1;
946: }
947: *condition = cp;
948: return 1;
949: }
1.153 dtucker 950: if ((arg = strdelim(&cp)) == NULL || *arg == '\0') {
951: error("Missing Match criteria for %s", attrib);
952: return -1;
953: }
954: if (strcasecmp(attrib, "user") == 0) {
1.319 dtucker 955: if (ci == NULL) {
1.153 dtucker 956: result = 0;
957: continue;
958: }
1.319 dtucker 959: if (ci->user == NULL)
960: match_test_missing_fatal("User", "user");
1.269 djm 961: if (match_pattern_list(ci->user, arg, 0) != 1)
1.153 dtucker 962: result = 0;
963: else
964: debug("user %.100s matched 'User %.100s' at "
1.226 dtucker 965: "line %d", ci->user, arg, line);
1.165 dtucker 966: } else if (strcasecmp(attrib, "group") == 0) {
1.319 dtucker 967: if (ci == NULL) {
1.226 dtucker 968: result = 0;
969: continue;
970: }
1.319 dtucker 971: if (ci->user == NULL)
972: match_test_missing_fatal("Group", "user");
1.226 dtucker 973: switch (match_cfg_line_group(arg, line, ci->user)) {
1.165 dtucker 974: case -1:
975: return -1;
976: case 0:
977: result = 0;
978: }
1.153 dtucker 979: } else if (strcasecmp(attrib, "host") == 0) {
1.319 dtucker 980: if (ci == NULL) {
1.153 dtucker 981: result = 0;
982: continue;
983: }
1.319 dtucker 984: if (ci->host == NULL)
985: match_test_missing_fatal("Host", "host");
1.269 djm 986: if (match_hostname(ci->host, arg) != 1)
1.153 dtucker 987: result = 0;
988: else
989: debug("connection from %.100s matched 'Host "
1.226 dtucker 990: "%.100s' at line %d", ci->host, arg, line);
1.153 dtucker 991: } else if (strcasecmp(attrib, "address") == 0) {
1.319 dtucker 992: if (ci == NULL) {
1.226 dtucker 993: result = 0;
994: continue;
995: }
1.319 dtucker 996: if (ci->address == NULL)
997: match_test_missing_fatal("Address", "addr");
1.226 dtucker 998: switch (addr_match_list(ci->address, arg)) {
1.181 djm 999: case 1:
1000: debug("connection from %.100s matched 'Address "
1.226 dtucker 1001: "%.100s' at line %d", ci->address, arg, line);
1.181 djm 1002: break;
1003: case 0:
1.183 djm 1004: case -1:
1.153 dtucker 1005: result = 0;
1.181 djm 1006: break;
1.183 djm 1007: case -2:
1.181 djm 1008: return -1;
1.153 dtucker 1009: }
1.226 dtucker 1010: } else if (strcasecmp(attrib, "localaddress") == 0){
1.319 dtucker 1011: if (ci == NULL) {
1.226 dtucker 1012: result = 0;
1013: continue;
1014: }
1.319 dtucker 1015: if (ci->laddress == NULL)
1016: match_test_missing_fatal("LocalAddress",
1017: "laddr");
1.226 dtucker 1018: switch (addr_match_list(ci->laddress, arg)) {
1019: case 1:
1020: debug("connection from %.100s matched "
1021: "'LocalAddress %.100s' at line %d",
1022: ci->laddress, arg, line);
1023: break;
1024: case 0:
1025: case -1:
1026: result = 0;
1027: break;
1028: case -2:
1029: return -1;
1030: }
1031: } else if (strcasecmp(attrib, "localport") == 0) {
1032: if ((port = a2port(arg)) == -1) {
1033: error("Invalid LocalPort '%s' on Match line",
1034: arg);
1035: return -1;
1036: }
1.319 dtucker 1037: if (ci == NULL) {
1.226 dtucker 1038: result = 0;
1039: continue;
1040: }
1.319 dtucker 1041: if (ci->lport == 0)
1042: match_test_missing_fatal("LocalPort", "lport");
1.226 dtucker 1043: /* TODO support port lists */
1044: if (port == ci->lport)
1045: debug("connection from %.100s matched "
1046: "'LocalPort %d' at line %d",
1047: ci->laddress, port, line);
1048: else
1049: result = 0;
1.317 djm 1050: } else if (strcasecmp(attrib, "rdomain") == 0) {
1051: if (ci == NULL || ci->rdomain == NULL) {
1052: result = 0;
1053: continue;
1054: }
1055: if (match_pattern_list(ci->rdomain, arg, 0) != 1)
1056: result = 0;
1057: else
1058: debug("user %.100s matched 'RDomain %.100s' at "
1059: "line %d", ci->rdomain, arg, line);
1.153 dtucker 1060: } else {
1061: error("Unsupported Match attribute %s", attrib);
1062: return -1;
1063: }
1.243 dtucker 1064: }
1065: if (attributes == 0) {
1066: error("One or more attributes required for Match");
1067: return -1;
1.153 dtucker 1068: }
1.226 dtucker 1069: if (ci != NULL)
1.153 dtucker 1070: debug3("match %sfound", result ? "" : "not ");
1071: *condition = cp;
1072: return result;
1073: }
1074:
1.158 dtucker 1075: #define WHITESPACE " \t\r\n"
1076:
1.220 djm 1077: /* Multistate option parsing */
1078: struct multistate {
1079: char *key;
1080: int value;
1081: };
1.320 djm 1082: static const struct multistate multistate_flag[] = {
1083: { "yes", 1 },
1084: { "no", 0 },
1085: { NULL, -1 }
1086: };
1.220 djm 1087: static const struct multistate multistate_addressfamily[] = {
1088: { "inet", AF_INET },
1089: { "inet6", AF_INET6 },
1090: { "any", AF_UNSPEC },
1091: { NULL, -1 }
1092: };
1093: static const struct multistate multistate_permitrootlogin[] = {
1094: { "without-password", PERMIT_NO_PASSWD },
1.280 deraadt 1095: { "prohibit-password", PERMIT_NO_PASSWD },
1.220 djm 1096: { "forced-commands-only", PERMIT_FORCED_ONLY },
1097: { "yes", PERMIT_YES },
1098: { "no", PERMIT_NO },
1099: { NULL, -1 }
1100: };
1101: static const struct multistate multistate_compression[] = {
1.297 djm 1102: { "yes", COMP_DELAYED },
1.220 djm 1103: { "delayed", COMP_DELAYED },
1104: { "no", COMP_NONE },
1105: { NULL, -1 }
1106: };
1107: static const struct multistate multistate_gatewayports[] = {
1108: { "clientspecified", 2 },
1109: { "yes", 1 },
1110: { "no", 0 },
1.222 djm 1111: { NULL, -1 }
1112: };
1.233 djm 1113: static const struct multistate multistate_tcpfwd[] = {
1114: { "yes", FORWARD_ALLOW },
1115: { "all", FORWARD_ALLOW },
1116: { "no", FORWARD_DENY },
1117: { "remote", FORWARD_REMOTE },
1118: { "local", FORWARD_LOCAL },
1119: { NULL, -1 }
1120: };
1.220 djm 1121:
1.94 markus 1122: int
1123: process_server_config_line(ServerOptions *options, char *line,
1.226 dtucker 1124: const char *filename, int linenum, int *activep,
1125: struct connection_info *connectinfo)
1.1 deraadt 1126: {
1.329 djm 1127: char *cp, ***chararrayptr, **charptr, *arg, *arg2, *p;
1.237 dtucker 1128: int cmdline = 0, *intptr, value, value2, n, port;
1.174 dtucker 1129: SyslogFacility *log_facility_ptr;
1130: LogLevel *log_level_ptr;
1.25 markus 1131: ServerOpCodes opcode;
1.329 djm 1132: u_int i, *uintptr, uvalue, flags = 0;
1.151 djm 1133: size_t len;
1.237 dtucker 1134: long long val64;
1.220 djm 1135: const struct multistate *multistate_ptr;
1.322 dtucker 1136: const char *errstr;
1.303 djm 1137:
1138: /* Strip trailing whitespace. Allow \f (form feed) at EOL only */
1139: if ((len = strlen(line)) == 0)
1140: return 0;
1141: for (len--; len > 0; len--) {
1142: if (strchr(WHITESPACE "\f", line[len]) == NULL)
1143: break;
1144: line[len] = '\0';
1145: }
1.25 markus 1146:
1.94 markus 1147: cp = line;
1.148 dtucker 1148: if ((arg = strdelim(&cp)) == NULL)
1.147 djm 1149: return 0;
1.94 markus 1150: /* Ignore leading whitespace */
1151: if (*arg == '\0')
1152: arg = strdelim(&cp);
1153: if (!arg || !*arg || *arg == '#')
1154: return 0;
1155: intptr = NULL;
1156: charptr = NULL;
1.153 dtucker 1157: opcode = parse_token(arg, filename, linenum, &flags);
1158:
1159: if (activep == NULL) { /* We are processing a command line directive */
1160: cmdline = 1;
1161: activep = &cmdline;
1162: }
1163: if (*activep && opcode != sMatch)
1164: debug3("%s:%d setting %s %s", filename, linenum, arg, cp);
1165: if (*activep == 0 && !(flags & SSHCFG_MATCH)) {
1.226 dtucker 1166: if (connectinfo == NULL) {
1.153 dtucker 1167: fatal("%s line %d: Directive '%s' is not allowed "
1168: "within a Match block", filename, linenum, arg);
1169: } else { /* this is a directive we have already processed */
1170: while (arg)
1171: arg = strdelim(&cp);
1172: return 0;
1173: }
1174: }
1175:
1.94 markus 1176: switch (opcode) {
1177: case sBadOption:
1178: return -1;
1179: case sPort:
1180: /* ignore ports from configfile if cmdline specifies ports */
1181: if (options->ports_from_cmdline)
1182: return 0;
1183: if (options->num_ports >= MAX_PORTS)
1184: fatal("%s line %d: too many ports.",
1185: filename, linenum);
1.48 provos 1186: arg = strdelim(&cp);
1.94 markus 1187: if (!arg || *arg == '\0')
1188: fatal("%s line %d: missing port number.",
1189: filename, linenum);
1190: options->ports[options->num_ports++] = a2port(arg);
1.194 djm 1191: if (options->ports[options->num_ports-1] <= 0)
1.94 markus 1192: fatal("%s line %d: Badly formatted port number.",
1193: filename, linenum);
1194: break;
1.29 markus 1195:
1.94 markus 1196: case sLoginGraceTime:
1197: intptr = &options->login_grace_time;
1.180 djm 1198: parse_time:
1.94 markus 1199: arg = strdelim(&cp);
1200: if (!arg || *arg == '\0')
1201: fatal("%s line %d: missing time value.",
1202: filename, linenum);
1203: if ((value = convtime(arg)) == -1)
1204: fatal("%s line %d: invalid time value.",
1205: filename, linenum);
1.268 djm 1206: if (*activep && *intptr == -1)
1.94 markus 1207: *intptr = value;
1208: break;
1209:
1210: case sListenAddress:
1211: arg = strdelim(&cp);
1.139 djm 1212: if (arg == NULL || *arg == '\0')
1213: fatal("%s line %d: missing address",
1.94 markus 1214: filename, linenum);
1.144 dtucker 1215: /* check for bare IPv6 address: no "[]" and 2 or more ":" */
1216: if (strchr(arg, '[') == NULL && (p = strchr(arg, ':')) != NULL
1217: && strchr(p+1, ':') != NULL) {
1.315 djm 1218: port = 0;
1219: p = arg;
1220: } else {
1221: p = hpdelim(&arg);
1222: if (p == NULL)
1223: fatal("%s line %d: bad address:port usage",
1224: filename, linenum);
1225: p = cleanhostname(p);
1226: if (arg == NULL)
1227: port = 0;
1228: else if ((port = a2port(arg)) <= 0)
1229: fatal("%s line %d: bad port number",
1230: filename, linenum);
1231: }
1232: /* Optional routing table */
1233: arg2 = NULL;
1234: if ((arg = strdelim(&cp)) != NULL) {
1235: if (strcmp(arg, "rdomain") != 0 ||
1236: (arg2 = strdelim(&cp)) == NULL)
1237: fatal("%s line %d: bad ListenAddress syntax",
1238: filename, linenum);
1239: if (!valid_rdomain(arg2))
1240: fatal("%s line %d: bad routing domain",
1241: filename, linenum);
1.144 dtucker 1242: }
1.139 djm 1243:
1.315 djm 1244: queue_listen_addr(options, p, arg2, port);
1.25 markus 1245:
1.138 djm 1246: break;
1247:
1248: case sAddressFamily:
1.220 djm 1249: intptr = &options->address_family;
1250: multistate_ptr = multistate_addressfamily;
1251: parse_multistate:
1.138 djm 1252: arg = strdelim(&cp);
1.141 markus 1253: if (!arg || *arg == '\0')
1.220 djm 1254: fatal("%s line %d: missing argument.",
1.141 markus 1255: filename, linenum);
1.220 djm 1256: value = -1;
1257: for (i = 0; multistate_ptr[i].key != NULL; i++) {
1258: if (strcasecmp(arg, multistate_ptr[i].key) == 0) {
1259: value = multistate_ptr[i].value;
1260: break;
1261: }
1262: }
1263: if (value == -1)
1264: fatal("%s line %d: unsupported option \"%s\".",
1.138 djm 1265: filename, linenum, arg);
1.220 djm 1266: if (*activep && *intptr == -1)
1.138 djm 1267: *intptr = value;
1.94 markus 1268: break;
1269:
1270: case sHostKeyFile:
1271: arg = strdelim(&cp);
1272: if (!arg || *arg == '\0')
1273: fatal("%s line %d: missing file name.",
1274: filename, linenum);
1.314 djm 1275: if (*activep)
1276: servconf_add_hostkey(filename, linenum, options, arg);
1.94 markus 1277: break;
1.76 stevesk 1278:
1.240 markus 1279: case sHostKeyAgent:
1280: charptr = &options->host_key_agent;
1281: arg = strdelim(&cp);
1282: if (!arg || *arg == '\0')
1283: fatal("%s line %d: missing socket name.",
1284: filename, linenum);
1285: if (*activep && *charptr == NULL)
1286: *charptr = !strcmp(arg, SSH_AUTHSOCKET_ENV_NAME) ?
1287: xstrdup(arg) : derelativise_path(arg);
1288: break;
1289:
1.203 djm 1290: case sHostCertificate:
1.314 djm 1291: arg = strdelim(&cp);
1292: if (!arg || *arg == '\0')
1293: fatal("%s line %d: missing file name.",
1294: filename, linenum);
1295: if (*activep)
1296: servconf_add_hostcert(filename, linenum, options, arg);
1297: break;
1.203 djm 1298:
1.94 markus 1299: case sPidFile:
1300: charptr = &options->pid_file;
1.314 djm 1301: parse_filename:
1302: arg = strdelim(&cp);
1303: if (!arg || *arg == '\0')
1304: fatal("%s line %d: missing file name.",
1305: filename, linenum);
1306: if (*activep && *charptr == NULL) {
1307: *charptr = derelativise_path(arg);
1308: /* increase optional counter */
1309: if (intptr != NULL)
1310: *intptr = *intptr + 1;
1311: }
1312: break;
1.25 markus 1313:
1.94 markus 1314: case sPermitRootLogin:
1315: intptr = &options->permit_root_login;
1.220 djm 1316: multistate_ptr = multistate_permitrootlogin;
1317: goto parse_multistate;
1.36 markus 1318:
1.94 markus 1319: case sIgnoreRhosts:
1320: intptr = &options->ignore_rhosts;
1.180 djm 1321: parse_flag:
1.320 djm 1322: multistate_ptr = multistate_flag;
1323: goto parse_multistate;
1.94 markus 1324:
1325: case sIgnoreUserKnownHosts:
1326: intptr = &options->ignore_user_known_hosts;
1327: goto parse_flag;
1328:
1329: case sHostbasedAuthentication:
1330: intptr = &options->hostbased_authentication;
1331: goto parse_flag;
1332:
1333: case sHostbasedUsesNameFromPacketOnly:
1334: intptr = &options->hostbased_uses_name_from_packet_only;
1335: goto parse_flag;
1336:
1.258 djm 1337: case sHostbasedAcceptedKeyTypes:
1338: charptr = &options->hostbased_key_types;
1339: parse_keytypes:
1340: arg = strdelim(&cp);
1341: if (!arg || *arg == '\0')
1342: fatal("%s line %d: Missing argument.",
1343: filename, linenum);
1.304 djm 1344: if (*arg != '-' &&
1345: !sshkey_names_valid2(*arg == '+' ? arg + 1 : arg, 1))
1.258 djm 1346: fatal("%s line %d: Bad key types '%s'.",
1347: filename, linenum, arg ? arg : "<NONE>");
1348: if (*activep && *charptr == NULL)
1349: *charptr = xstrdup(arg);
1350: break;
1351:
1.276 markus 1352: case sHostKeyAlgorithms:
1353: charptr = &options->hostkeyalgorithms;
1354: goto parse_keytypes;
1355:
1.94 markus 1356: case sPubkeyAuthentication:
1357: intptr = &options->pubkey_authentication;
1358: goto parse_flag;
1.119 jakob 1359:
1.258 djm 1360: case sPubkeyAcceptedKeyTypes:
1361: charptr = &options->pubkey_key_types;
1362: goto parse_keytypes;
1363:
1.94 markus 1364: case sKerberosAuthentication:
1365: intptr = &options->kerberos_authentication;
1366: goto parse_flag;
1367:
1368: case sKerberosOrLocalPasswd:
1369: intptr = &options->kerberos_or_local_passwd;
1370: goto parse_flag;
1371:
1372: case sKerberosTicketCleanup:
1373: intptr = &options->kerberos_ticket_cleanup;
1.130 jakob 1374: goto parse_flag;
1375:
1376: case sKerberosGetAFSToken:
1377: intptr = &options->kerberos_get_afs_token;
1.125 markus 1378: goto parse_flag;
1379:
1380: case sGssAuthentication:
1381: intptr = &options->gss_authentication;
1382: goto parse_flag;
1383:
1384: case sGssCleanupCreds:
1385: intptr = &options->gss_cleanup_creds;
1.271 djm 1386: goto parse_flag;
1387:
1388: case sGssStrictAcceptor:
1389: intptr = &options->gss_strict_acceptor;
1.94 markus 1390: goto parse_flag;
1391:
1392: case sPasswordAuthentication:
1393: intptr = &options->password_authentication;
1394: goto parse_flag;
1395:
1396: case sKbdInteractiveAuthentication:
1397: intptr = &options->kbd_interactive_authentication;
1398: goto parse_flag;
1399:
1400: case sChallengeResponseAuthentication:
1401: intptr = &options->challenge_response_authentication;
1402: goto parse_flag;
1403:
1404: case sPrintMotd:
1405: intptr = &options->print_motd;
1406: goto parse_flag;
1407:
1408: case sPrintLastLog:
1409: intptr = &options->print_lastlog;
1410: goto parse_flag;
1411:
1412: case sX11Forwarding:
1413: intptr = &options->x11_forwarding;
1414: goto parse_flag;
1415:
1416: case sX11DisplayOffset:
1417: intptr = &options->x11_display_offset;
1.293 naddy 1418: parse_int:
1419: arg = strdelim(&cp);
1.322 dtucker 1420: if ((errstr = atoi_err(arg, &value)) != NULL)
1421: fatal("%s line %d: integer value %s.",
1422: filename, linenum, errstr);
1.293 naddy 1423: if (*activep && *intptr == -1)
1424: *intptr = value;
1425: break;
1.99 stevesk 1426:
1427: case sX11UseLocalhost:
1428: intptr = &options->x11_use_localhost;
1429: goto parse_flag;
1.94 markus 1430:
1431: case sXAuthLocation:
1432: charptr = &options->xauth_location;
1433: goto parse_filename;
1434:
1.244 djm 1435: case sPermitTTY:
1436: intptr = &options->permit_tty;
1437: goto parse_flag;
1438:
1.250 djm 1439: case sPermitUserRC:
1440: intptr = &options->permit_user_rc;
1441: goto parse_flag;
1442:
1.94 markus 1443: case sStrictModes:
1444: intptr = &options->strict_modes;
1445: goto parse_flag;
1446:
1.129 markus 1447: case sTCPKeepAlive:
1448: intptr = &options->tcp_keep_alive;
1.94 markus 1449: goto parse_flag;
1450:
1451: case sEmptyPasswd:
1452: intptr = &options->permit_empty_passwd;
1.113 markus 1453: goto parse_flag;
1454:
1455: case sPermitUserEnvironment:
1456: intptr = &options->permit_user_env;
1.334 ! djm 1457: charptr = &options->permit_user_env_whitelist;
! 1458: arg = strdelim(&cp);
! 1459: if (!arg || *arg == '\0')
! 1460: fatal("%s line %d: missing argument.",
! 1461: filename, linenum);
! 1462: value = 0;
! 1463: p = NULL;
! 1464: if (strcmp(arg, "yes") == 0)
! 1465: value = 1;
! 1466: else if (strcmp(arg, "no") == 0)
! 1467: value = 0;
! 1468: else {
! 1469: /* Pattern-list specified */
! 1470: value = 1;
! 1471: p = xstrdup(arg);
! 1472: }
! 1473: if (*activep && *intptr == -1) {
! 1474: *intptr = value;
! 1475: *charptr = p;
! 1476: p = NULL;
! 1477: }
! 1478: free(p);
! 1479: break;
1.94 markus 1480:
1.111 markus 1481: case sCompression:
1482: intptr = &options->compression;
1.220 djm 1483: multistate_ptr = multistate_compression;
1484: goto parse_multistate;
1.94 markus 1485:
1.235 dtucker 1486: case sRekeyLimit:
1487: arg = strdelim(&cp);
1488: if (!arg || *arg == '\0')
1489: fatal("%.200s line %d: Missing argument.", filename,
1490: linenum);
1491: if (strcmp(arg, "default") == 0) {
1492: val64 = 0;
1493: } else {
1.236 dtucker 1494: if (scan_scaled(arg, &val64) == -1)
1495: fatal("%.200s line %d: Bad number '%s': %s",
1496: filename, linenum, arg, strerror(errno));
1.235 dtucker 1497: if (val64 != 0 && val64 < 16)
1498: fatal("%.200s line %d: RekeyLimit too small",
1499: filename, linenum);
1500: }
1501: if (*activep && options->rekey_limit == -1)
1.284 dtucker 1502: options->rekey_limit = val64;
1.235 dtucker 1503: if (cp != NULL) { /* optional rekey interval present */
1504: if (strcmp(cp, "none") == 0) {
1505: (void)strdelim(&cp); /* discard */
1506: break;
1507: }
1508: intptr = &options->rekey_interval;
1509: goto parse_time;
1510: }
1511: break;
1512:
1.94 markus 1513: case sGatewayPorts:
1.251 millert 1514: intptr = &options->fwd_opts.gateway_ports;
1.220 djm 1515: multistate_ptr = multistate_gatewayports;
1516: goto parse_multistate;
1.25 markus 1517:
1.122 markus 1518: case sUseDNS:
1519: intptr = &options->use_dns;
1.94 markus 1520: goto parse_flag;
1.53 markus 1521:
1.94 markus 1522: case sLogFacility:
1.174 dtucker 1523: log_facility_ptr = &options->log_facility;
1.94 markus 1524: arg = strdelim(&cp);
1525: value = log_facility_number(arg);
1.101 markus 1526: if (value == SYSLOG_FACILITY_NOT_SET)
1.94 markus 1527: fatal("%.200s line %d: unsupported log facility '%s'",
1528: filename, linenum, arg ? arg : "<NONE>");
1.174 dtucker 1529: if (*log_facility_ptr == -1)
1530: *log_facility_ptr = (SyslogFacility) value;
1.94 markus 1531: break;
1.25 markus 1532:
1.94 markus 1533: case sLogLevel:
1.174 dtucker 1534: log_level_ptr = &options->log_level;
1.94 markus 1535: arg = strdelim(&cp);
1536: value = log_level_number(arg);
1.101 markus 1537: if (value == SYSLOG_LEVEL_NOT_SET)
1.94 markus 1538: fatal("%.200s line %d: unsupported log level '%s'",
1539: filename, linenum, arg ? arg : "<NONE>");
1.308 djm 1540: if (*activep && *log_level_ptr == -1)
1.174 dtucker 1541: *log_level_ptr = (LogLevel) value;
1.94 markus 1542: break;
1543:
1544: case sAllowTcpForwarding:
1545: intptr = &options->allow_tcp_forwarding;
1.233 djm 1546: multistate_ptr = multistate_tcpfwd;
1547: goto parse_multistate;
1.102 provos 1548:
1.251 millert 1549: case sAllowStreamLocalForwarding:
1550: intptr = &options->allow_streamlocal_forwarding;
1551: multistate_ptr = multistate_tcpfwd;
1552: goto parse_multistate;
1553:
1.178 pyr 1554: case sAllowAgentForwarding:
1555: intptr = &options->allow_agent_forwarding;
1556: goto parse_flag;
1557:
1.301 djm 1558: case sDisableForwarding:
1559: intptr = &options->disable_forwarding;
1560: goto parse_flag;
1561:
1.94 markus 1562: case sAllowUsers:
1563: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.299 djm 1564: if (match_user(NULL, NULL, NULL, arg) == -1)
1565: fatal("%s line %d: invalid AllowUsers pattern: "
1566: "\"%.100s\"", filename, linenum, arg);
1.227 markus 1567: if (!*activep)
1568: continue;
1.314 djm 1569: array_append(filename, linenum, "AllowUsers",
1570: &options->allow_users, &options->num_allow_users,
1571: arg);
1.94 markus 1572: }
1573: break;
1.25 markus 1574:
1.94 markus 1575: case sDenyUsers:
1576: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.299 djm 1577: if (match_user(NULL, NULL, NULL, arg) == -1)
1578: fatal("%s line %d: invalid DenyUsers pattern: "
1579: "\"%.100s\"", filename, linenum, arg);
1.227 markus 1580: if (!*activep)
1581: continue;
1.314 djm 1582: array_append(filename, linenum, "DenyUsers",
1583: &options->deny_users, &options->num_deny_users,
1584: arg);
1.94 markus 1585: }
1586: break;
1.25 markus 1587:
1.94 markus 1588: case sAllowGroups:
1589: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.227 markus 1590: if (!*activep)
1591: continue;
1.314 djm 1592: array_append(filename, linenum, "AllowGroups",
1593: &options->allow_groups, &options->num_allow_groups,
1594: arg);
1.94 markus 1595: }
1596: break;
1.33 markus 1597:
1.94 markus 1598: case sDenyGroups:
1599: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.227 markus 1600: if (!*activep)
1601: continue;
1.314 djm 1602: array_append(filename, linenum, "DenyGroups",
1603: &options->deny_groups, &options->num_deny_groups,
1604: arg);
1.94 markus 1605: }
1606: break;
1.66 markus 1607:
1.94 markus 1608: case sCiphers:
1609: arg = strdelim(&cp);
1610: if (!arg || *arg == '\0')
1611: fatal("%s line %d: Missing argument.", filename, linenum);
1.304 djm 1612: if (*arg != '-' && !ciphers_valid(*arg == '+' ? arg + 1 : arg))
1.94 markus 1613: fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
1614: filename, linenum, arg ? arg : "<NONE>");
1615: if (options->ciphers == NULL)
1616: options->ciphers = xstrdup(arg);
1617: break;
1.33 markus 1618:
1.94 markus 1619: case sMacs:
1620: arg = strdelim(&cp);
1621: if (!arg || *arg == '\0')
1622: fatal("%s line %d: Missing argument.", filename, linenum);
1.304 djm 1623: if (*arg != '-' && !mac_valid(*arg == '+' ? arg + 1 : arg))
1.94 markus 1624: fatal("%s line %d: Bad SSH2 mac spec '%s'.",
1625: filename, linenum, arg ? arg : "<NONE>");
1626: if (options->macs == NULL)
1627: options->macs = xstrdup(arg);
1.211 djm 1628: break;
1629:
1630: case sKexAlgorithms:
1631: arg = strdelim(&cp);
1632: if (!arg || *arg == '\0')
1633: fatal("%s line %d: Missing argument.",
1634: filename, linenum);
1.304 djm 1635: if (*arg != '-' &&
1636: !kex_names_valid(*arg == '+' ? arg + 1 : arg))
1.211 djm 1637: fatal("%s line %d: Bad SSH2 KexAlgorithms '%s'.",
1638: filename, linenum, arg ? arg : "<NONE>");
1639: if (options->kex_algorithms == NULL)
1640: options->kex_algorithms = xstrdup(arg);
1.94 markus 1641: break;
1.43 jakob 1642:
1.94 markus 1643: case sSubsystem:
1644: if (options->num_subsystems >= MAX_SUBSYSTEMS) {
1645: fatal("%s line %d: too many subsystems defined.",
1.95 deraadt 1646: filename, linenum);
1.94 markus 1647: }
1648: arg = strdelim(&cp);
1649: if (!arg || *arg == '\0')
1650: fatal("%s line %d: Missing subsystem name.",
1.95 deraadt 1651: filename, linenum);
1.153 dtucker 1652: if (!*activep) {
1653: arg = strdelim(&cp);
1654: break;
1655: }
1.94 markus 1656: for (i = 0; i < options->num_subsystems; i++)
1657: if (strcmp(arg, options->subsystem_name[i]) == 0)
1658: fatal("%s line %d: Subsystem '%s' already defined.",
1.95 deraadt 1659: filename, linenum, arg);
1.94 markus 1660: options->subsystem_name[options->num_subsystems] = xstrdup(arg);
1661: arg = strdelim(&cp);
1662: if (!arg || *arg == '\0')
1663: fatal("%s line %d: Missing subsystem command.",
1.95 deraadt 1664: filename, linenum);
1.94 markus 1665: options->subsystem_command[options->num_subsystems] = xstrdup(arg);
1.151 djm 1666:
1667: /* Collect arguments (separate to executable) */
1668: p = xstrdup(arg);
1669: len = strlen(p) + 1;
1670: while ((arg = strdelim(&cp)) != NULL && *arg != '\0') {
1671: len += 1 + strlen(arg);
1.264 deraadt 1672: p = xreallocarray(p, 1, len);
1.151 djm 1673: strlcat(p, " ", len);
1674: strlcat(p, arg, len);
1675: }
1676: options->subsystem_args[options->num_subsystems] = p;
1.94 markus 1677: options->num_subsystems++;
1678: break;
1.46 markus 1679:
1.94 markus 1680: case sMaxStartups:
1681: arg = strdelim(&cp);
1682: if (!arg || *arg == '\0')
1683: fatal("%s line %d: Missing MaxStartups spec.",
1.95 deraadt 1684: filename, linenum);
1.94 markus 1685: if ((n = sscanf(arg, "%d:%d:%d",
1686: &options->max_startups_begin,
1687: &options->max_startups_rate,
1688: &options->max_startups)) == 3) {
1689: if (options->max_startups_begin >
1690: options->max_startups ||
1691: options->max_startups_rate > 100 ||
1692: options->max_startups_rate < 1)
1.50 markus 1693: fatal("%s line %d: Illegal MaxStartups spec.",
1.87 stevesk 1694: filename, linenum);
1.94 markus 1695: } else if (n != 1)
1696: fatal("%s line %d: Illegal MaxStartups spec.",
1697: filename, linenum);
1698: else
1699: options->max_startups = options->max_startups_begin;
1700: break;
1.133 dtucker 1701:
1702: case sMaxAuthTries:
1703: intptr = &options->max_authtries;
1704: goto parse_int;
1.94 markus 1705:
1.180 djm 1706: case sMaxSessions:
1707: intptr = &options->max_sessions;
1708: goto parse_int;
1709:
1.94 markus 1710: case sBanner:
1711: charptr = &options->banner;
1712: goto parse_filename;
1.176 djm 1713:
1.94 markus 1714: /*
1715: * These options can contain %X options expanded at
1716: * connect time, so that you can specify paths like:
1717: *
1718: * AuthorizedKeysFile /etc/ssh_keys/%u
1719: */
1720: case sAuthorizedKeysFile:
1.219 djm 1721: if (*activep && options->num_authkeys_files == 0) {
1722: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.314 djm 1723: arg = tilde_expand_filename(arg, getuid());
1724: array_append(filename, linenum,
1725: "AuthorizedKeysFile",
1726: &options->authorized_keys_files,
1727: &options->num_authkeys_files, arg);
1728: free(arg);
1.219 djm 1729: }
1730: }
1731: return 0;
1732:
1.208 djm 1733: case sAuthorizedPrincipalsFile:
1734: charptr = &options->authorized_principals_file;
1.205 djm 1735: arg = strdelim(&cp);
1736: if (!arg || *arg == '\0')
1737: fatal("%s line %d: missing file name.",
1738: filename, linenum);
1739: if (*activep && *charptr == NULL) {
1.206 markus 1740: *charptr = tilde_expand_filename(arg, getuid());
1.205 djm 1741: /* increase optional counter */
1742: if (intptr != NULL)
1743: *intptr = *intptr + 1;
1744: }
1745: break;
1.94 markus 1746:
1747: case sClientAliveInterval:
1748: intptr = &options->client_alive_interval;
1749: goto parse_time;
1750:
1751: case sClientAliveCountMax:
1752: intptr = &options->client_alive_count_max;
1753: goto parse_int;
1.131 djm 1754:
1755: case sAcceptEnv:
1756: while ((arg = strdelim(&cp)) && *arg != '\0') {
1757: if (strchr(arg, '=') != NULL)
1758: fatal("%s line %d: Invalid environment name.",
1759: filename, linenum);
1.153 dtucker 1760: if (!*activep)
1.227 markus 1761: continue;
1.314 djm 1762: array_append(filename, linenum, "AcceptEnv",
1763: &options->accept_env, &options->num_accept_env,
1764: arg);
1.131 djm 1765: }
1766: break;
1.145 reyk 1767:
1.332 djm 1768: case sSetEnv:
1769: uvalue = options->num_setenv;
1770: while ((arg = strdelimw(&cp)) && *arg != '\0') {
1771: if (strchr(arg, '=') == NULL)
1772: fatal("%s line %d: Invalid environment.",
1773: filename, linenum);
1774: if (!*activep || uvalue != 0)
1775: continue;
1776: array_append(filename, linenum, "SetEnv",
1777: &options->setenv, &options->num_setenv, arg);
1778: }
1779: break;
1780:
1.145 reyk 1781: case sPermitTunnel:
1782: intptr = &options->permit_tun;
1.146 reyk 1783: arg = strdelim(&cp);
1784: if (!arg || *arg == '\0')
1785: fatal("%s line %d: Missing yes/point-to-point/"
1786: "ethernet/no argument.", filename, linenum);
1.182 dtucker 1787: value = -1;
1788: for (i = 0; tunmode_desc[i].val != -1; i++)
1789: if (strcmp(tunmode_desc[i].text, arg) == 0) {
1790: value = tunmode_desc[i].val;
1791: break;
1792: }
1793: if (value == -1)
1.146 reyk 1794: fatal("%s line %d: Bad yes/point-to-point/ethernet/"
1795: "no argument: %s", filename, linenum, arg);
1.268 djm 1796: if (*activep && *intptr == -1)
1.146 reyk 1797: *intptr = value;
1798: break;
1.94 markus 1799:
1.153 dtucker 1800: case sMatch:
1801: if (cmdline)
1802: fatal("Match directive not supported as a command-line "
1803: "option");
1.226 dtucker 1804: value = match_cfg_line(&cp, linenum, connectinfo);
1.153 dtucker 1805: if (value < 0)
1806: fatal("%s line %d: Bad Match condition", filename,
1807: linenum);
1808: *activep = value;
1.156 dtucker 1809: break;
1810:
1.330 djm 1811: case sPermitListen:
1.156 dtucker 1812: case sPermitOpen:
1.330 djm 1813: if (opcode == sPermitListen) {
1814: uintptr = &options->num_permitted_listens;
1815: chararrayptr = &options->permitted_listens;
1.329 djm 1816: } else {
1817: uintptr = &options->num_permitted_opens;
1818: chararrayptr = &options->permitted_opens;
1819: }
1.156 dtucker 1820: arg = strdelim(&cp);
1821: if (!arg || *arg == '\0')
1.329 djm 1822: fatal("%s line %d: missing %s specification",
1823: filename, linenum, lookup_opcode_name(opcode));
1824: uvalue = *uintptr; /* modified later */
1.310 djm 1825: if (strcmp(arg, "any") == 0 || strcmp(arg, "none") == 0) {
1.329 djm 1826: if (*activep && uvalue == 0) {
1827: *uintptr = 1;
1828: *chararrayptr = xcalloc(1,
1829: sizeof(**chararrayptr));
1830: (*chararrayptr)[0] = xstrdup(arg);
1.311 dtucker 1831: }
1.156 dtucker 1832: break;
1833: }
1.159 dtucker 1834: for (; arg != NULL && *arg != '\0'; arg = strdelim(&cp)) {
1.333 djm 1835: if (opcode == sPermitListen &&
1836: strchr(arg, ':') == NULL) {
1837: /*
1838: * Allow bare port number for PermitListen
1839: * to indicate a wildcard listen host.
1840: */
1841: xasprintf(&arg2, "*:%s", arg);
1842: } else {
1843: arg2 = xstrdup(arg);
1844: p = hpdelim(&arg);
1845: if (p == NULL) {
1846: fatal("%s line %d: missing host in %s",
1847: filename, linenum,
1848: lookup_opcode_name(opcode));
1849: }
1850: p = cleanhostname(p);
1.329 djm 1851: }
1852: if (arg == NULL ||
1853: ((port = permitopen_port(arg)) < 0)) {
1854: fatal("%s line %d: bad port number in %s",
1855: filename, linenum,
1856: lookup_opcode_name(opcode));
1857: }
1858: if (*activep && uvalue == 0) {
1.314 djm 1859: array_append(filename, linenum,
1.329 djm 1860: lookup_opcode_name(opcode),
1861: chararrayptr, uintptr, arg2);
1.314 djm 1862: }
1863: free(arg2);
1.159 dtucker 1864: }
1.153 dtucker 1865: break;
1866:
1.158 dtucker 1867: case sForceCommand:
1.262 dtucker 1868: if (cp == NULL || *cp == '\0')
1.158 dtucker 1869: fatal("%.200s line %d: Missing argument.", filename,
1870: linenum);
1871: len = strspn(cp, WHITESPACE);
1872: if (*activep && options->adm_forced_command == NULL)
1873: options->adm_forced_command = xstrdup(cp + len);
1874: return 0;
1875:
1.176 djm 1876: case sChrootDirectory:
1877: charptr = &options->chroot_directory;
1.177 djm 1878:
1879: arg = strdelim(&cp);
1880: if (!arg || *arg == '\0')
1881: fatal("%s line %d: missing file name.",
1882: filename, linenum);
1883: if (*activep && *charptr == NULL)
1884: *charptr = xstrdup(arg);
1885: break;
1.176 djm 1886:
1.204 djm 1887: case sTrustedUserCAKeys:
1888: charptr = &options->trusted_user_ca_keys;
1889: goto parse_filename;
1890:
1891: case sRevokedKeys:
1892: charptr = &options->revoked_keys_file;
1893: goto parse_filename;
1894:
1.213 djm 1895: case sIPQoS:
1896: arg = strdelim(&cp);
1897: if ((value = parse_ipqos(arg)) == -1)
1898: fatal("%s line %d: Bad IPQoS value: %s",
1899: filename, linenum, arg);
1900: arg = strdelim(&cp);
1901: if (arg == NULL)
1902: value2 = value;
1903: else if ((value2 = parse_ipqos(arg)) == -1)
1904: fatal("%s line %d: Bad IPQoS value: %s",
1905: filename, linenum, arg);
1906: if (*activep) {
1907: options->ip_qos_interactive = value;
1908: options->ip_qos_bulk = value2;
1909: }
1910: break;
1911:
1.225 djm 1912: case sVersionAddendum:
1.262 dtucker 1913: if (cp == NULL || *cp == '\0')
1.225 djm 1914: fatal("%.200s line %d: Missing argument.", filename,
1915: linenum);
1916: len = strspn(cp, WHITESPACE);
1917: if (*activep && options->version_addendum == NULL) {
1918: if (strcasecmp(cp + len, "none") == 0)
1919: options->version_addendum = xstrdup("");
1920: else if (strchr(cp + len, '\r') != NULL)
1921: fatal("%.200s line %d: Invalid argument",
1922: filename, linenum);
1923: else
1924: options->version_addendum = xstrdup(cp + len);
1925: }
1926: return 0;
1927:
1.231 djm 1928: case sAuthorizedKeysCommand:
1.255 jsg 1929: if (cp == NULL)
1930: fatal("%.200s line %d: Missing argument.", filename,
1931: linenum);
1.231 djm 1932: len = strspn(cp, WHITESPACE);
1933: if (*activep && options->authorized_keys_command == NULL) {
1934: if (cp[len] != '/' && strcasecmp(cp + len, "none") != 0)
1935: fatal("%.200s line %d: AuthorizedKeysCommand "
1936: "must be an absolute path",
1937: filename, linenum);
1938: options->authorized_keys_command = xstrdup(cp + len);
1939: }
1940: return 0;
1941:
1942: case sAuthorizedKeysCommandUser:
1943: charptr = &options->authorized_keys_command_user;
1944:
1945: arg = strdelim(&cp);
1.255 jsg 1946: if (!arg || *arg == '\0')
1947: fatal("%s line %d: missing AuthorizedKeysCommandUser "
1948: "argument.", filename, linenum);
1.231 djm 1949: if (*activep && *charptr == NULL)
1950: *charptr = xstrdup(arg);
1951: break;
1952:
1.270 djm 1953: case sAuthorizedPrincipalsCommand:
1954: if (cp == NULL)
1955: fatal("%.200s line %d: Missing argument.", filename,
1956: linenum);
1957: len = strspn(cp, WHITESPACE);
1958: if (*activep &&
1959: options->authorized_principals_command == NULL) {
1960: if (cp[len] != '/' && strcasecmp(cp + len, "none") != 0)
1961: fatal("%.200s line %d: "
1962: "AuthorizedPrincipalsCommand must be "
1963: "an absolute path", filename, linenum);
1964: options->authorized_principals_command =
1965: xstrdup(cp + len);
1966: }
1967: return 0;
1968:
1969: case sAuthorizedPrincipalsCommandUser:
1970: charptr = &options->authorized_principals_command_user;
1971:
1972: arg = strdelim(&cp);
1973: if (!arg || *arg == '\0')
1974: fatal("%s line %d: missing "
1975: "AuthorizedPrincipalsCommandUser argument.",
1976: filename, linenum);
1977: if (*activep && *charptr == NULL)
1978: *charptr = xstrdup(arg);
1979: break;
1980:
1.232 djm 1981: case sAuthenticationMethods:
1.268 djm 1982: if (options->num_auth_methods == 0) {
1.291 djm 1983: value = 0; /* seen "any" pseudo-method */
1.328 djm 1984: value2 = 0; /* successfully parsed any method */
1.232 djm 1985: while ((arg = strdelim(&cp)) && *arg != '\0') {
1.291 djm 1986: if (strcmp(arg, "any") == 0) {
1987: if (options->num_auth_methods > 0) {
1988: fatal("%s line %d: \"any\" "
1989: "must appear alone in "
1990: "AuthenticationMethods",
1991: filename, linenum);
1992: }
1993: value = 1;
1994: } else if (value) {
1995: fatal("%s line %d: \"any\" must appear "
1996: "alone in AuthenticationMethods",
1997: filename, linenum);
1998: } else if (auth2_methods_valid(arg, 0) != 0) {
1.232 djm 1999: fatal("%s line %d: invalid "
2000: "authentication method list.",
2001: filename, linenum);
1.291 djm 2002: }
1.292 djm 2003: value2 = 1;
1.268 djm 2004: if (!*activep)
2005: continue;
1.314 djm 2006: array_append(filename, linenum,
2007: "AuthenticationMethods",
2008: &options->auth_methods,
2009: &options->num_auth_methods, arg);
1.232 djm 2010: }
1.292 djm 2011: if (value2 == 0) {
1.291 djm 2012: fatal("%s line %d: no AuthenticationMethods "
2013: "specified", filename, linenum);
2014: }
1.232 djm 2015: }
2016: return 0;
2017:
1.251 millert 2018: case sStreamLocalBindMask:
2019: arg = strdelim(&cp);
2020: if (!arg || *arg == '\0')
1.268 djm 2021: fatal("%s line %d: missing StreamLocalBindMask "
2022: "argument.", filename, linenum);
1.251 millert 2023: /* Parse mode in octal format */
2024: value = strtol(arg, &p, 8);
2025: if (arg == p || value < 0 || value > 0777)
2026: fatal("%s line %d: Bad mask.", filename, linenum);
1.268 djm 2027: if (*activep)
2028: options->fwd_opts.streamlocal_bind_mask = (mode_t)value;
1.251 millert 2029: break;
2030:
2031: case sStreamLocalBindUnlink:
2032: intptr = &options->fwd_opts.streamlocal_bind_unlink;
2033: goto parse_flag;
2034:
1.256 djm 2035: case sFingerprintHash:
2036: arg = strdelim(&cp);
2037: if (!arg || *arg == '\0')
2038: fatal("%.200s line %d: Missing argument.",
2039: filename, linenum);
2040: if ((value = ssh_digest_alg_by_name(arg)) == -1)
2041: fatal("%.200s line %d: Invalid hash algorithm \"%s\".",
2042: filename, linenum, arg);
2043: if (*activep)
2044: options->fingerprint_hash = value;
2045: break;
2046:
1.309 djm 2047: case sExposeAuthInfo:
2048: intptr = &options->expose_userauth_info;
2049: goto parse_flag;
2050:
1.316 djm 2051: case sRDomain:
2052: charptr = &options->routing_domain;
2053: arg = strdelim(&cp);
2054: if (!arg || *arg == '\0')
2055: fatal("%.200s line %d: Missing argument.",
2056: filename, linenum);
2057: if (strcasecmp(arg, "none") != 0 && strcmp(arg, "%D") != 0 &&
2058: !valid_rdomain(arg))
2059: fatal("%s line %d: bad routing domain",
2060: filename, linenum);
2061: if (*activep && *charptr == NULL)
2062: *charptr = xstrdup(arg);
1.321 dtucker 2063: break;
1.316 djm 2064:
1.94 markus 2065: case sDeprecated:
1.295 djm 2066: case sIgnore:
1.121 jakob 2067: case sUnsupported:
1.295 djm 2068: do_log2(opcode == sIgnore ?
2069: SYSLOG_LEVEL_DEBUG2 : SYSLOG_LEVEL_INFO,
2070: "%s line %d: %s option %s", filename, linenum,
2071: opcode == sUnsupported ? "Unsupported" : "Deprecated", arg);
1.94 markus 2072: while (arg)
2073: arg = strdelim(&cp);
2074: break;
2075:
2076: default:
2077: fatal("%s line %d: Missing handler for opcode %s (%d)",
2078: filename, linenum, arg, opcode);
2079: }
2080: if ((arg = strdelim(&cp)) != NULL && *arg != '\0')
2081: fatal("%s line %d: garbage at end of line; \"%.200s\".",
2082: filename, linenum, arg);
2083: return 0;
2084: }
2085:
2086: /* Reads the server configuration file. */
1.25 markus 2087:
1.94 markus 2088: void
1.134 djm 2089: load_server_config(const char *filename, Buffer *conf)
1.94 markus 2090: {
1.331 markus 2091: char *line = NULL, *cp;
2092: size_t linesize = 0;
1.94 markus 2093: FILE *f;
1.229 dtucker 2094: int lineno = 0;
1.81 stevesk 2095:
1.134 djm 2096: debug2("%s: filename %s", __func__, filename);
2097: if ((f = fopen(filename, "r")) == NULL) {
1.94 markus 2098: perror(filename);
2099: exit(1);
2100: }
1.134 djm 2101: buffer_clear(conf);
1.331 markus 2102: while (getline(&line, &linesize, f) != -1) {
1.229 dtucker 2103: lineno++;
1.134 djm 2104: /*
2105: * Trim out comments and strip whitespace
1.135 deraadt 2106: * NB - preserve newlines, they are needed to reproduce
1.134 djm 2107: * line numbers later for error messages
2108: */
2109: if ((cp = strchr(line, '#')) != NULL)
2110: memcpy(cp, "\n", 2);
2111: cp = line + strspn(line, " \t\r");
2112:
2113: buffer_append(conf, cp, strlen(cp));
2114: }
1.331 markus 2115: free(line);
1.134 djm 2116: buffer_append(conf, "\0", 1);
2117: fclose(f);
2118: debug2("%s: done config len = %d", __func__, buffer_len(conf));
2119: }
2120:
2121: void
1.226 dtucker 2122: parse_server_match_config(ServerOptions *options,
2123: struct connection_info *connectinfo)
1.153 dtucker 2124: {
2125: ServerOptions mo;
2126:
2127: initialize_server_options(&mo);
1.226 dtucker 2128: parse_server_config(&mo, "reprocess config", &cfg, connectinfo);
1.168 dtucker 2129: copy_set_server_options(options, &mo, 0);
1.153 dtucker 2130: }
2131:
1.226 dtucker 2132: int parse_server_match_testspec(struct connection_info *ci, char *spec)
2133: {
2134: char *p;
2135:
2136: while ((p = strsep(&spec, ",")) && *p != '\0') {
2137: if (strncmp(p, "addr=", 5) == 0) {
2138: ci->address = xstrdup(p + 5);
2139: } else if (strncmp(p, "host=", 5) == 0) {
2140: ci->host = xstrdup(p + 5);
2141: } else if (strncmp(p, "user=", 5) == 0) {
2142: ci->user = xstrdup(p + 5);
2143: } else if (strncmp(p, "laddr=", 6) == 0) {
2144: ci->laddress = xstrdup(p + 6);
1.317 djm 2145: } else if (strncmp(p, "rdomain=", 8) == 0) {
2146: ci->rdomain = xstrdup(p + 8);
1.226 dtucker 2147: } else if (strncmp(p, "lport=", 6) == 0) {
2148: ci->lport = a2port(p + 6);
2149: if (ci->lport == -1) {
2150: fprintf(stderr, "Invalid port '%s' in test mode"
2151: " specification %s\n", p+6, p);
2152: return -1;
2153: }
2154: } else {
2155: fprintf(stderr, "Invalid test mode specification %s\n",
2156: p);
2157: return -1;
2158: }
2159: }
2160: return 0;
2161: }
2162:
1.168 dtucker 2163: /*
2164: * Copy any supported values that are set.
2165: *
1.195 jj 2166: * If the preauth flag is set, we do not bother copying the string or
1.168 dtucker 2167: * array values that are not used pre-authentication, because any that we
1.328 djm 2168: * do use must be explicitly sent in mm_getpwnamallow().
1.168 dtucker 2169: */
1.153 dtucker 2170: void
1.168 dtucker 2171: copy_set_server_options(ServerOptions *dst, ServerOptions *src, int preauth)
1.153 dtucker 2172: {
1.247 djm 2173: #define M_CP_INTOPT(n) do {\
2174: if (src->n != -1) \
2175: dst->n = src->n; \
2176: } while (0)
2177:
1.168 dtucker 2178: M_CP_INTOPT(password_authentication);
2179: M_CP_INTOPT(gss_authentication);
2180: M_CP_INTOPT(pubkey_authentication);
2181: M_CP_INTOPT(kerberos_authentication);
2182: M_CP_INTOPT(hostbased_authentication);
1.209 djm 2183: M_CP_INTOPT(hostbased_uses_name_from_packet_only);
1.168 dtucker 2184: M_CP_INTOPT(kbd_interactive_authentication);
1.175 dtucker 2185: M_CP_INTOPT(permit_root_login);
1.188 djm 2186: M_CP_INTOPT(permit_empty_passwd);
1.168 dtucker 2187:
2188: M_CP_INTOPT(allow_tcp_forwarding);
1.251 millert 2189: M_CP_INTOPT(allow_streamlocal_forwarding);
1.178 pyr 2190: M_CP_INTOPT(allow_agent_forwarding);
1.301 djm 2191: M_CP_INTOPT(disable_forwarding);
1.309 djm 2192: M_CP_INTOPT(expose_userauth_info);
1.209 djm 2193: M_CP_INTOPT(permit_tun);
1.251 millert 2194: M_CP_INTOPT(fwd_opts.gateway_ports);
1.289 djm 2195: M_CP_INTOPT(fwd_opts.streamlocal_bind_unlink);
1.168 dtucker 2196: M_CP_INTOPT(x11_display_offset);
2197: M_CP_INTOPT(x11_forwarding);
2198: M_CP_INTOPT(x11_use_localhost);
1.244 djm 2199: M_CP_INTOPT(permit_tty);
1.250 djm 2200: M_CP_INTOPT(permit_user_rc);
1.180 djm 2201: M_CP_INTOPT(max_sessions);
1.184 dtucker 2202: M_CP_INTOPT(max_authtries);
1.300 markus 2203: M_CP_INTOPT(client_alive_count_max);
2204: M_CP_INTOPT(client_alive_interval);
1.213 djm 2205: M_CP_INTOPT(ip_qos_interactive);
2206: M_CP_INTOPT(ip_qos_bulk);
1.235 dtucker 2207: M_CP_INTOPT(rekey_limit);
2208: M_CP_INTOPT(rekey_interval);
1.308 djm 2209: M_CP_INTOPT(log_level);
1.289 djm 2210:
2211: /*
2212: * The bind_mask is a mode_t that may be unsigned, so we can't use
2213: * M_CP_INTOPT - it does a signed comparison that causes compiler
2214: * warnings.
2215: */
1.290 dtucker 2216: if (src->fwd_opts.streamlocal_bind_mask != (mode_t)-1) {
1.289 djm 2217: dst->fwd_opts.streamlocal_bind_mask =
2218: src->fwd_opts.streamlocal_bind_mask;
2219: }
1.247 djm 2220:
2221: /* M_CP_STROPT and M_CP_STRARRAYOPT should not appear before here */
2222: #define M_CP_STROPT(n) do {\
2223: if (src->n != NULL && dst->n != src->n) { \
2224: free(dst->n); \
2225: dst->n = src->n; \
2226: } \
2227: } while(0)
1.314 djm 2228: #define M_CP_STRARRAYOPT(s, num_s) do {\
2229: u_int i; \
2230: if (src->num_s != 0) { \
2231: for (i = 0; i < dst->num_s; i++) \
2232: free(dst->s[i]); \
2233: free(dst->s); \
2234: dst->s = xcalloc(src->num_s, sizeof(*dst->s)); \
2235: for (i = 0; i < src->num_s; i++) \
2236: dst->s[i] = xstrdup(src->s[i]); \
2237: dst->num_s = src->num_s; \
1.312 djm 2238: } \
2239: } while(0)
1.168 dtucker 2240:
1.218 djm 2241: /* See comment in servconf.h */
2242: COPY_MATCH_STRING_OPTS();
1.282 djm 2243:
2244: /* Arguments that accept '+...' need to be expanded */
2245: assemble_algorithms(dst);
1.216 djm 2246:
1.217 dtucker 2247: /*
2248: * The only things that should be below this point are string options
2249: * which are only used after authentication.
2250: */
1.168 dtucker 2251: if (preauth)
2252: return;
1.219 djm 2253:
1.283 djm 2254: /* These options may be "none" to clear a global setting */
1.168 dtucker 2255: M_CP_STROPT(adm_forced_command);
1.283 djm 2256: if (option_clear_or_none(dst->adm_forced_command)) {
2257: free(dst->adm_forced_command);
2258: dst->adm_forced_command = NULL;
2259: }
1.176 djm 2260: M_CP_STROPT(chroot_directory);
1.283 djm 2261: if (option_clear_or_none(dst->chroot_directory)) {
2262: free(dst->chroot_directory);
2263: dst->chroot_directory = NULL;
2264: }
1.153 dtucker 2265: }
1.168 dtucker 2266:
2267: #undef M_CP_INTOPT
2268: #undef M_CP_STROPT
1.219 djm 2269: #undef M_CP_STRARRAYOPT
1.153 dtucker 2270:
2271: void
2272: parse_server_config(ServerOptions *options, const char *filename, Buffer *conf,
1.226 dtucker 2273: struct connection_info *connectinfo)
1.134 djm 2274: {
1.153 dtucker 2275: int active, linenum, bad_options = 0;
1.136 dtucker 2276: char *cp, *obuf, *cbuf;
1.134 djm 2277:
2278: debug2("%s: config %s len %d", __func__, filename, buffer_len(conf));
2279:
1.287 djm 2280: if ((obuf = cbuf = sshbuf_dup_string(conf)) == NULL)
2281: fatal("%s: sshbuf_dup_string failed", __func__);
1.226 dtucker 2282: active = connectinfo ? 0 : 1;
1.137 dtucker 2283: linenum = 1;
1.140 deraadt 2284: while ((cp = strsep(&cbuf, "\n")) != NULL) {
1.134 djm 2285: if (process_server_config_line(options, cp, filename,
1.226 dtucker 2286: linenum++, &active, connectinfo) != 0)
1.94 markus 2287: bad_options++;
1.1 deraadt 2288: }
1.239 djm 2289: free(obuf);
1.78 stevesk 2290: if (bad_options > 0)
2291: fatal("%s: terminating, %d bad configuration options",
2292: filename, bad_options);
1.266 dtucker 2293: process_queued_listen_addrs(options);
1.182 dtucker 2294: }
2295:
2296: static const char *
1.221 djm 2297: fmt_multistate_int(int val, const struct multistate *m)
2298: {
2299: u_int i;
2300:
2301: for (i = 0; m[i].key != NULL; i++) {
2302: if (m[i].value == val)
2303: return m[i].key;
2304: }
2305: return "UNKNOWN";
2306: }
2307:
2308: static const char *
1.182 dtucker 2309: fmt_intarg(ServerOpCodes code, int val)
2310: {
1.221 djm 2311: if (val == -1)
2312: return "unset";
2313: switch (code) {
2314: case sAddressFamily:
2315: return fmt_multistate_int(val, multistate_addressfamily);
2316: case sPermitRootLogin:
2317: return fmt_multistate_int(val, multistate_permitrootlogin);
2318: case sGatewayPorts:
2319: return fmt_multistate_int(val, multistate_gatewayports);
2320: case sCompression:
2321: return fmt_multistate_int(val, multistate_compression);
1.233 djm 2322: case sAllowTcpForwarding:
2323: return fmt_multistate_int(val, multistate_tcpfwd);
1.251 millert 2324: case sAllowStreamLocalForwarding:
2325: return fmt_multistate_int(val, multistate_tcpfwd);
1.256 djm 2326: case sFingerprintHash:
2327: return ssh_digest_alg_name(val);
1.221 djm 2328: default:
2329: switch (val) {
2330: case 0:
2331: return "no";
2332: case 1:
2333: return "yes";
2334: default:
2335: return "UNKNOWN";
2336: }
1.182 dtucker 2337: }
2338: }
2339:
2340: static void
2341: dump_cfg_int(ServerOpCodes code, int val)
2342: {
2343: printf("%s %d\n", lookup_opcode_name(code), val);
2344: }
2345:
2346: static void
1.263 dtucker 2347: dump_cfg_oct(ServerOpCodes code, int val)
2348: {
2349: printf("%s 0%o\n", lookup_opcode_name(code), val);
2350: }
2351:
2352: static void
1.182 dtucker 2353: dump_cfg_fmtint(ServerOpCodes code, int val)
2354: {
2355: printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val));
2356: }
2357:
2358: static void
2359: dump_cfg_string(ServerOpCodes code, const char *val)
2360: {
1.257 djm 2361: printf("%s %s\n", lookup_opcode_name(code),
2362: val == NULL ? "none" : val);
1.182 dtucker 2363: }
2364:
2365: static void
2366: dump_cfg_strarray(ServerOpCodes code, u_int count, char **vals)
2367: {
2368: u_int i;
2369:
2370: for (i = 0; i < count; i++)
1.219 djm 2371: printf("%s %s\n", lookup_opcode_name(code), vals[i]);
2372: }
2373:
2374: static void
2375: dump_cfg_strarray_oneline(ServerOpCodes code, u_int count, char **vals)
2376: {
2377: u_int i;
2378:
1.291 djm 2379: if (count <= 0 && code != sAuthenticationMethods)
1.261 dtucker 2380: return;
1.219 djm 2381: printf("%s", lookup_opcode_name(code));
2382: for (i = 0; i < count; i++)
2383: printf(" %s", vals[i]);
1.291 djm 2384: if (code == sAuthenticationMethods && count == 0)
2385: printf(" any");
1.219 djm 2386: printf("\n");
1.182 dtucker 2387: }
2388:
1.315 djm 2389: static char *
2390: format_listen_addrs(struct listenaddr *la)
1.182 dtucker 2391: {
1.315 djm 2392: int r;
1.182 dtucker 2393: struct addrinfo *ai;
1.315 djm 2394: char addr[NI_MAXHOST], port[NI_MAXSERV];
1.263 dtucker 2395: char *laddr1 = xstrdup(""), *laddr2 = NULL;
1.182 dtucker 2396:
1.263 dtucker 2397: /*
2398: * ListenAddress must be after Port. add_one_listen_addr pushes
2399: * addresses onto a stack, so to maintain ordering we need to
2400: * print these in reverse order.
2401: */
1.315 djm 2402: for (ai = la->addrs; ai; ai = ai->ai_next) {
2403: if ((r = getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1.182 dtucker 2404: sizeof(addr), port, sizeof(port),
2405: NI_NUMERICHOST|NI_NUMERICSERV)) != 0) {
1.315 djm 2406: error("getnameinfo: %.100s", ssh_gai_strerror(r));
2407: continue;
2408: }
2409: laddr2 = laddr1;
2410: if (ai->ai_family == AF_INET6) {
2411: xasprintf(&laddr1, "listenaddress [%s]:%s%s%s\n%s",
2412: addr, port,
2413: la->rdomain == NULL ? "" : " rdomain ",
2414: la->rdomain == NULL ? "" : la->rdomain,
2415: laddr2);
1.182 dtucker 2416: } else {
1.315 djm 2417: xasprintf(&laddr1, "listenaddress %s:%s%s%s\n%s",
2418: addr, port,
2419: la->rdomain == NULL ? "" : " rdomain ",
2420: la->rdomain == NULL ? "" : la->rdomain,
2421: laddr2);
1.182 dtucker 2422: }
1.315 djm 2423: free(laddr2);
2424: }
2425: return laddr1;
2426: }
2427:
2428: void
2429: dump_config(ServerOptions *o)
2430: {
2431: char *s;
2432: u_int i;
2433:
2434: /* these are usually at the top of the config */
2435: for (i = 0; i < o->num_ports; i++)
2436: printf("port %d\n", o->ports[i]);
2437: dump_cfg_fmtint(sAddressFamily, o->address_family);
2438:
2439: for (i = 0; i < o->num_listen_addrs; i++) {
2440: s = format_listen_addrs(&o->listen_addrs[i]);
2441: printf("%s", s);
2442: free(s);
1.182 dtucker 2443: }
2444:
2445: /* integer arguments */
2446: dump_cfg_int(sLoginGraceTime, o->login_grace_time);
2447: dump_cfg_int(sX11DisplayOffset, o->x11_display_offset);
2448: dump_cfg_int(sMaxAuthTries, o->max_authtries);
1.189 djm 2449: dump_cfg_int(sMaxSessions, o->max_sessions);
1.182 dtucker 2450: dump_cfg_int(sClientAliveInterval, o->client_alive_interval);
2451: dump_cfg_int(sClientAliveCountMax, o->client_alive_count_max);
1.263 dtucker 2452: dump_cfg_oct(sStreamLocalBindMask, o->fwd_opts.streamlocal_bind_mask);
1.182 dtucker 2453:
2454: /* formatted integer arguments */
2455: dump_cfg_fmtint(sPermitRootLogin, o->permit_root_login);
2456: dump_cfg_fmtint(sIgnoreRhosts, o->ignore_rhosts);
2457: dump_cfg_fmtint(sIgnoreUserKnownHosts, o->ignore_user_known_hosts);
2458: dump_cfg_fmtint(sHostbasedAuthentication, o->hostbased_authentication);
2459: dump_cfg_fmtint(sHostbasedUsesNameFromPacketOnly,
2460: o->hostbased_uses_name_from_packet_only);
2461: dump_cfg_fmtint(sPubkeyAuthentication, o->pubkey_authentication);
1.187 djm 2462: #ifdef KRB5
1.182 dtucker 2463: dump_cfg_fmtint(sKerberosAuthentication, o->kerberos_authentication);
2464: dump_cfg_fmtint(sKerberosOrLocalPasswd, o->kerberos_or_local_passwd);
2465: dump_cfg_fmtint(sKerberosTicketCleanup, o->kerberos_ticket_cleanup);
2466: dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token);
1.187 djm 2467: #endif
2468: #ifdef GSSAPI
1.182 dtucker 2469: dump_cfg_fmtint(sGssAuthentication, o->gss_authentication);
2470: dump_cfg_fmtint(sGssCleanupCreds, o->gss_cleanup_creds);
1.187 djm 2471: #endif
1.182 dtucker 2472: dump_cfg_fmtint(sPasswordAuthentication, o->password_authentication);
2473: dump_cfg_fmtint(sKbdInteractiveAuthentication,
2474: o->kbd_interactive_authentication);
2475: dump_cfg_fmtint(sChallengeResponseAuthentication,
2476: o->challenge_response_authentication);
2477: dump_cfg_fmtint(sPrintMotd, o->print_motd);
2478: dump_cfg_fmtint(sPrintLastLog, o->print_lastlog);
2479: dump_cfg_fmtint(sX11Forwarding, o->x11_forwarding);
2480: dump_cfg_fmtint(sX11UseLocalhost, o->x11_use_localhost);
1.244 djm 2481: dump_cfg_fmtint(sPermitTTY, o->permit_tty);
1.250 djm 2482: dump_cfg_fmtint(sPermitUserRC, o->permit_user_rc);
1.182 dtucker 2483: dump_cfg_fmtint(sStrictModes, o->strict_modes);
2484: dump_cfg_fmtint(sTCPKeepAlive, o->tcp_keep_alive);
2485: dump_cfg_fmtint(sEmptyPasswd, o->permit_empty_passwd);
2486: dump_cfg_fmtint(sCompression, o->compression);
1.251 millert 2487: dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports);
1.182 dtucker 2488: dump_cfg_fmtint(sUseDNS, o->use_dns);
2489: dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding);
1.261 dtucker 2490: dump_cfg_fmtint(sAllowAgentForwarding, o->allow_agent_forwarding);
1.301 djm 2491: dump_cfg_fmtint(sDisableForwarding, o->disable_forwarding);
1.251 millert 2492: dump_cfg_fmtint(sAllowStreamLocalForwarding, o->allow_streamlocal_forwarding);
1.288 djm 2493: dump_cfg_fmtint(sStreamLocalBindUnlink, o->fwd_opts.streamlocal_bind_unlink);
1.256 djm 2494: dump_cfg_fmtint(sFingerprintHash, o->fingerprint_hash);
1.309 djm 2495: dump_cfg_fmtint(sExposeAuthInfo, o->expose_userauth_info);
1.182 dtucker 2496:
2497: /* string arguments */
2498: dump_cfg_string(sPidFile, o->pid_file);
2499: dump_cfg_string(sXAuthLocation, o->xauth_location);
1.252 djm 2500: dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : KEX_SERVER_ENCRYPT);
2501: dump_cfg_string(sMacs, o->macs ? o->macs : KEX_SERVER_MAC);
1.182 dtucker 2502: dump_cfg_string(sBanner, o->banner);
2503: dump_cfg_string(sForceCommand, o->adm_forced_command);
1.201 dtucker 2504: dump_cfg_string(sChrootDirectory, o->chroot_directory);
1.204 djm 2505: dump_cfg_string(sTrustedUserCAKeys, o->trusted_user_ca_keys);
2506: dump_cfg_string(sRevokedKeys, o->revoked_keys_file);
1.208 djm 2507: dump_cfg_string(sAuthorizedPrincipalsFile,
2508: o->authorized_principals_file);
1.261 dtucker 2509: dump_cfg_string(sVersionAddendum, *o->version_addendum == '\0'
2510: ? "none" : o->version_addendum);
1.231 djm 2511: dump_cfg_string(sAuthorizedKeysCommand, o->authorized_keys_command);
2512: dump_cfg_string(sAuthorizedKeysCommandUser, o->authorized_keys_command_user);
1.270 djm 2513: dump_cfg_string(sAuthorizedPrincipalsCommand, o->authorized_principals_command);
2514: dump_cfg_string(sAuthorizedPrincipalsCommandUser, o->authorized_principals_command_user);
1.240 markus 2515: dump_cfg_string(sHostKeyAgent, o->host_key_agent);
1.252 djm 2516: dump_cfg_string(sKexAlgorithms,
1.253 djm 2517: o->kex_algorithms ? o->kex_algorithms : KEX_SERVER_KEX);
1.258 djm 2518: dump_cfg_string(sHostbasedAcceptedKeyTypes, o->hostbased_key_types ?
2519: o->hostbased_key_types : KEX_DEFAULT_PK_ALG);
1.276 markus 2520: dump_cfg_string(sHostKeyAlgorithms, o->hostkeyalgorithms ?
2521: o->hostkeyalgorithms : KEX_DEFAULT_PK_ALG);
1.258 djm 2522: dump_cfg_string(sPubkeyAcceptedKeyTypes, o->pubkey_key_types ?
2523: o->pubkey_key_types : KEX_DEFAULT_PK_ALG);
1.316 djm 2524: dump_cfg_string(sRDomain, o->routing_domain);
1.182 dtucker 2525:
2526: /* string arguments requiring a lookup */
2527: dump_cfg_string(sLogLevel, log_level_name(o->log_level));
2528: dump_cfg_string(sLogFacility, log_facility_name(o->log_facility));
2529:
2530: /* string array arguments */
1.219 djm 2531: dump_cfg_strarray_oneline(sAuthorizedKeysFile, o->num_authkeys_files,
2532: o->authorized_keys_files);
1.182 dtucker 2533: dump_cfg_strarray(sHostKeyFile, o->num_host_key_files,
2534: o->host_key_files);
1.261 dtucker 2535: dump_cfg_strarray(sHostCertificate, o->num_host_cert_files,
1.203 djm 2536: o->host_cert_files);
1.182 dtucker 2537: dump_cfg_strarray(sAllowUsers, o->num_allow_users, o->allow_users);
2538: dump_cfg_strarray(sDenyUsers, o->num_deny_users, o->deny_users);
2539: dump_cfg_strarray(sAllowGroups, o->num_allow_groups, o->allow_groups);
2540: dump_cfg_strarray(sDenyGroups, o->num_deny_groups, o->deny_groups);
2541: dump_cfg_strarray(sAcceptEnv, o->num_accept_env, o->accept_env);
1.332 djm 2542: dump_cfg_strarray(sSetEnv, o->num_setenv, o->setenv);
1.232 djm 2543: dump_cfg_strarray_oneline(sAuthenticationMethods,
2544: o->num_auth_methods, o->auth_methods);
1.182 dtucker 2545:
2546: /* other arguments */
2547: for (i = 0; i < o->num_subsystems; i++)
2548: printf("subsystem %s %s\n", o->subsystem_name[i],
2549: o->subsystem_args[i]);
2550:
2551: printf("maxstartups %d:%d:%d\n", o->max_startups_begin,
2552: o->max_startups_rate, o->max_startups);
2553:
1.318 djm 2554: s = NULL;
2555: for (i = 0; tunmode_desc[i].val != -1; i++) {
1.182 dtucker 2556: if (tunmode_desc[i].val == o->permit_tun) {
2557: s = tunmode_desc[i].text;
2558: break;
2559: }
1.318 djm 2560: }
1.182 dtucker 2561: dump_cfg_string(sPermitTunnel, s);
1.213 djm 2562:
1.214 stevesk 2563: printf("ipqos %s ", iptos2str(o->ip_qos_interactive));
2564: printf("%s\n", iptos2str(o->ip_qos_bulk));
1.235 dtucker 2565:
1.284 dtucker 2566: printf("rekeylimit %llu %d\n", (unsigned long long)o->rekey_limit,
1.241 djm 2567: o->rekey_interval);
1.182 dtucker 2568:
1.310 djm 2569: printf("permitopen");
2570: if (o->num_permitted_opens == 0)
2571: printf(" any");
2572: else {
2573: for (i = 0; i < o->num_permitted_opens; i++)
2574: printf(" %s", o->permitted_opens[i]);
1.329 djm 2575: }
2576: printf("\n");
1.330 djm 2577: printf("permitlisten");
2578: if (o->num_permitted_listens == 0)
1.329 djm 2579: printf(" any");
2580: else {
1.330 djm 2581: for (i = 0; i < o->num_permitted_listens; i++)
2582: printf(" %s", o->permitted_listens[i]);
1.310 djm 2583: }
2584: printf("\n");
1.334 ! djm 2585:
! 2586: if (o->permit_user_env_whitelist == NULL) {
! 2587: dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
! 2588: } else {
! 2589: printf("permituserenvironment %s\n",
! 2590: o->permit_user_env_whitelist);
! 2591: }
! 2592:
1.1 deraadt 2593: }
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