Annotation of src/usr.bin/ssh/servconf.c, Revision 1.255
1.226 dtucker 1:
1.255 ! jsg 2: /* $OpenBSD: servconf.c,v 1.254 2014/10/24 02:01:20 lteo 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>
1.154 stevesk 17:
1.213 djm 18: #include <netinet/in.h>
19: #include <netinet/ip.h>
20:
1.235 dtucker 21: #include <ctype.h>
1.154 stevesk 22: #include <netdb.h>
1.165 dtucker 23: #include <pwd.h>
1.162 stevesk 24: #include <stdio.h>
1.161 stevesk 25: #include <stdlib.h>
1.160 stevesk 26: #include <string.h>
1.164 deraadt 27: #include <signal.h>
1.155 stevesk 28: #include <unistd.h>
1.164 deraadt 29: #include <stdarg.h>
1.182 dtucker 30: #include <errno.h>
1.236 dtucker 31: #include <util.h>
1.1 deraadt 32:
1.164 deraadt 33: #include "xmalloc.h"
1.1 deraadt 34: #include "ssh.h"
1.62 markus 35: #include "log.h"
1.164 deraadt 36: #include "buffer.h"
1.251 millert 37: #include "misc.h"
1.1 deraadt 38: #include "servconf.h"
1.33 markus 39: #include "compat.h"
1.60 markus 40: #include "pathnames.h"
1.62 markus 41: #include "cipher.h"
1.164 deraadt 42: #include "key.h"
1.66 markus 43: #include "kex.h"
44: #include "mac.h"
1.153 dtucker 45: #include "match.h"
1.156 dtucker 46: #include "channels.h"
1.165 dtucker 47: #include "groupaccess.h"
1.226 dtucker 48: #include "canohost.h"
49: #include "packet.h"
1.232 djm 50: #include "hostfile.h"
51: #include "auth.h"
1.252 djm 52: #include "myproposal.h"
1.1 deraadt 53:
1.194 djm 54: static void add_listen_addr(ServerOptions *, char *, int);
55: static void add_one_listen_addr(ServerOptions *, char *, int);
1.29 markus 56:
1.102 provos 57: /* Use of privilege separation or not */
58: extern int use_privsep;
1.153 dtucker 59: extern Buffer cfg;
1.62 markus 60:
1.1 deraadt 61: /* Initializes the server options to their default values. */
62:
1.34 markus 63: void
1.25 markus 64: initialize_server_options(ServerOptions *options)
1.1 deraadt 65: {
1.25 markus 66: memset(options, 0, sizeof(*options));
1.29 markus 67: options->num_ports = 0;
68: options->ports_from_cmdline = 0;
69: options->listen_addrs = NULL;
1.138 djm 70: options->address_family = -1;
1.54 markus 71: options->num_host_key_files = 0;
1.203 djm 72: options->num_host_cert_files = 0;
1.240 markus 73: options->host_key_agent = NULL;
1.36 markus 74: options->pid_file = NULL;
1.25 markus 75: options->server_key_bits = -1;
76: options->login_grace_time = -1;
77: options->key_regeneration_time = -1;
1.67 markus 78: options->permit_root_login = PERMIT_NOT_SET;
1.25 markus 79: options->ignore_rhosts = -1;
80: options->ignore_user_known_hosts = -1;
81: options->print_motd = -1;
1.72 stevesk 82: options->print_lastlog = -1;
1.25 markus 83: options->x11_forwarding = -1;
84: options->x11_display_offset = -1;
1.99 stevesk 85: options->x11_use_localhost = -1;
1.244 djm 86: options->permit_tty = -1;
1.250 djm 87: options->permit_user_rc = -1;
1.42 markus 88: options->xauth_location = NULL;
1.25 markus 89: options->strict_modes = -1;
1.129 markus 90: options->tcp_keep_alive = -1;
1.101 markus 91: options->log_facility = SYSLOG_FACILITY_NOT_SET;
92: options->log_level = SYSLOG_LEVEL_NOT_SET;
1.25 markus 93: options->rhosts_rsa_authentication = -1;
1.75 markus 94: options->hostbased_authentication = -1;
95: options->hostbased_uses_name_from_packet_only = -1;
1.25 markus 96: options->rsa_authentication = -1;
1.54 markus 97: options->pubkey_authentication = -1;
1.25 markus 98: options->kerberos_authentication = -1;
99: options->kerberos_or_local_passwd = -1;
100: options->kerberos_ticket_cleanup = -1;
1.130 jakob 101: options->kerberos_get_afs_token = -1;
1.125 markus 102: options->gss_authentication=-1;
103: options->gss_cleanup_creds = -1;
1.25 markus 104: options->password_authentication = -1;
1.52 markus 105: options->kbd_interactive_authentication = -1;
1.80 markus 106: options->challenge_response_authentication = -1;
1.25 markus 107: options->permit_empty_passwd = -1;
1.113 markus 108: options->permit_user_env = -1;
1.25 markus 109: options->use_login = -1;
1.111 markus 110: options->compression = -1;
1.235 dtucker 111: options->rekey_limit = -1;
112: options->rekey_interval = -1;
1.53 markus 113: options->allow_tcp_forwarding = -1;
1.251 millert 114: options->allow_streamlocal_forwarding = -1;
1.178 pyr 115: options->allow_agent_forwarding = -1;
1.25 markus 116: options->num_allow_users = 0;
117: options->num_deny_users = 0;
118: options->num_allow_groups = 0;
119: options->num_deny_groups = 0;
1.33 markus 120: options->ciphers = NULL;
1.66 markus 121: options->macs = NULL;
1.211 djm 122: options->kex_algorithms = NULL;
1.33 markus 123: options->protocol = SSH_PROTO_UNKNOWN;
1.251 millert 124: options->fwd_opts.gateway_ports = -1;
125: options->fwd_opts.streamlocal_bind_mask = (mode_t)-1;
126: options->fwd_opts.streamlocal_bind_unlink = -1;
1.43 jakob 127: options->num_subsystems = 0;
1.50 markus 128: options->max_startups_begin = -1;
129: options->max_startups_rate = -1;
1.46 markus 130: options->max_startups = -1;
1.133 dtucker 131: options->max_authtries = -1;
1.180 djm 132: options->max_sessions = -1;
1.57 markus 133: options->banner = NULL;
1.122 markus 134: options->use_dns = -1;
1.77 beck 135: options->client_alive_interval = -1;
136: options->client_alive_count_max = -1;
1.219 djm 137: options->num_authkeys_files = 0;
1.131 djm 138: options->num_accept_env = 0;
1.145 reyk 139: options->permit_tun = -1;
1.159 dtucker 140: options->num_permitted_opens = -1;
1.158 dtucker 141: options->adm_forced_command = NULL;
1.176 djm 142: options->chroot_directory = NULL;
1.231 djm 143: options->authorized_keys_command = NULL;
144: options->authorized_keys_command_user = NULL;
1.204 djm 145: options->revoked_keys_file = NULL;
146: options->trusted_user_ca_keys = NULL;
1.208 djm 147: options->authorized_principals_file = NULL;
1.213 djm 148: options->ip_qos_interactive = -1;
149: options->ip_qos_bulk = -1;
1.225 djm 150: options->version_addendum = NULL;
1.1 deraadt 151: }
152:
1.34 markus 153: void
1.25 markus 154: fill_default_server_options(ServerOptions *options)
1.1 deraadt 155: {
1.54 markus 156: if (options->protocol == SSH_PROTO_UNKNOWN)
1.196 markus 157: options->protocol = SSH_PROTO_2;
1.54 markus 158: if (options->num_host_key_files == 0) {
159: /* fill default hostkeys for protocols */
160: if (options->protocol & SSH_PROTO_1)
1.97 stevesk 161: options->host_key_files[options->num_host_key_files++] =
162: _PATH_HOST_KEY_FILE;
163: if (options->protocol & SSH_PROTO_2) {
164: options->host_key_files[options->num_host_key_files++] =
165: _PATH_HOST_RSA_KEY_FILE;
166: options->host_key_files[options->num_host_key_files++] =
167: _PATH_HOST_DSA_KEY_FILE;
1.210 naddy 168: options->host_key_files[options->num_host_key_files++] =
169: _PATH_HOST_ECDSA_KEY_FILE;
1.248 markus 170: options->host_key_files[options->num_host_key_files++] =
171: _PATH_HOST_ED25519_KEY_FILE;
1.97 stevesk 172: }
1.54 markus 173: }
1.203 djm 174: /* No certificates by default */
1.29 markus 175: if (options->num_ports == 0)
176: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
177: if (options->listen_addrs == NULL)
1.76 stevesk 178: add_listen_addr(options, NULL, 0);
1.36 markus 179: if (options->pid_file == NULL)
1.60 markus 180: options->pid_file = _PATH_SSH_DAEMON_PID_FILE;
1.25 markus 181: if (options->server_key_bits == -1)
1.185 djm 182: options->server_key_bits = 1024;
1.25 markus 183: if (options->login_grace_time == -1)
1.115 stevesk 184: options->login_grace_time = 120;
1.25 markus 185: if (options->key_regeneration_time == -1)
186: options->key_regeneration_time = 3600;
1.67 markus 187: if (options->permit_root_login == PERMIT_NOT_SET)
188: options->permit_root_login = PERMIT_YES;
1.25 markus 189: if (options->ignore_rhosts == -1)
1.30 markus 190: options->ignore_rhosts = 1;
1.25 markus 191: if (options->ignore_user_known_hosts == -1)
192: options->ignore_user_known_hosts = 0;
193: if (options->print_motd == -1)
194: options->print_motd = 1;
1.72 stevesk 195: if (options->print_lastlog == -1)
196: options->print_lastlog = 1;
1.25 markus 197: if (options->x11_forwarding == -1)
1.30 markus 198: options->x11_forwarding = 0;
1.25 markus 199: if (options->x11_display_offset == -1)
1.30 markus 200: options->x11_display_offset = 10;
1.99 stevesk 201: if (options->x11_use_localhost == -1)
202: options->x11_use_localhost = 1;
1.42 markus 203: if (options->xauth_location == NULL)
1.83 markus 204: options->xauth_location = _PATH_XAUTH;
1.244 djm 205: if (options->permit_tty == -1)
206: options->permit_tty = 1;
1.250 djm 207: if (options->permit_user_rc == -1)
208: options->permit_user_rc = 1;
1.25 markus 209: if (options->strict_modes == -1)
210: options->strict_modes = 1;
1.129 markus 211: if (options->tcp_keep_alive == -1)
212: options->tcp_keep_alive = 1;
1.101 markus 213: if (options->log_facility == SYSLOG_FACILITY_NOT_SET)
1.25 markus 214: options->log_facility = SYSLOG_FACILITY_AUTH;
1.101 markus 215: if (options->log_level == SYSLOG_LEVEL_NOT_SET)
1.58 markus 216: options->log_level = SYSLOG_LEVEL_INFO;
1.25 markus 217: if (options->rhosts_rsa_authentication == -1)
1.30 markus 218: options->rhosts_rsa_authentication = 0;
1.75 markus 219: if (options->hostbased_authentication == -1)
220: options->hostbased_authentication = 0;
221: if (options->hostbased_uses_name_from_packet_only == -1)
222: options->hostbased_uses_name_from_packet_only = 0;
1.25 markus 223: if (options->rsa_authentication == -1)
224: options->rsa_authentication = 1;
1.54 markus 225: if (options->pubkey_authentication == -1)
226: options->pubkey_authentication = 1;
1.25 markus 227: if (options->kerberos_authentication == -1)
1.107 markus 228: options->kerberos_authentication = 0;
1.25 markus 229: if (options->kerberos_or_local_passwd == -1)
230: options->kerberos_or_local_passwd = 1;
231: if (options->kerberos_ticket_cleanup == -1)
232: options->kerberos_ticket_cleanup = 1;
1.130 jakob 233: if (options->kerberos_get_afs_token == -1)
234: options->kerberos_get_afs_token = 0;
1.125 markus 235: if (options->gss_authentication == -1)
236: options->gss_authentication = 0;
237: if (options->gss_cleanup_creds == -1)
238: options->gss_cleanup_creds = 1;
1.25 markus 239: if (options->password_authentication == -1)
240: options->password_authentication = 1;
1.52 markus 241: if (options->kbd_interactive_authentication == -1)
242: options->kbd_interactive_authentication = 0;
1.80 markus 243: if (options->challenge_response_authentication == -1)
244: options->challenge_response_authentication = 1;
1.25 markus 245: if (options->permit_empty_passwd == -1)
1.30 markus 246: options->permit_empty_passwd = 0;
1.113 markus 247: if (options->permit_user_env == -1)
248: options->permit_user_env = 0;
1.25 markus 249: if (options->use_login == -1)
250: options->use_login = 0;
1.111 markus 251: if (options->compression == -1)
1.143 markus 252: options->compression = COMP_DELAYED;
1.235 dtucker 253: if (options->rekey_limit == -1)
254: options->rekey_limit = 0;
255: if (options->rekey_interval == -1)
256: options->rekey_interval = 0;
1.53 markus 257: if (options->allow_tcp_forwarding == -1)
1.233 djm 258: options->allow_tcp_forwarding = FORWARD_ALLOW;
1.251 millert 259: if (options->allow_streamlocal_forwarding == -1)
260: options->allow_streamlocal_forwarding = FORWARD_ALLOW;
1.178 pyr 261: if (options->allow_agent_forwarding == -1)
262: options->allow_agent_forwarding = 1;
1.251 millert 263: if (options->fwd_opts.gateway_ports == -1)
264: options->fwd_opts.gateway_ports = 0;
1.46 markus 265: if (options->max_startups == -1)
1.234 dtucker 266: options->max_startups = 100;
1.50 markus 267: if (options->max_startups_rate == -1)
1.234 dtucker 268: options->max_startups_rate = 30; /* 30% */
1.50 markus 269: if (options->max_startups_begin == -1)
1.234 dtucker 270: options->max_startups_begin = 10;
1.133 dtucker 271: if (options->max_authtries == -1)
272: options->max_authtries = DEFAULT_AUTH_FAIL_MAX;
1.180 djm 273: if (options->max_sessions == -1)
274: options->max_sessions = DEFAULT_SESSIONS_MAX;
1.122 markus 275: if (options->use_dns == -1)
276: options->use_dns = 1;
1.77 beck 277: if (options->client_alive_interval == -1)
1.95 deraadt 278: options->client_alive_interval = 0;
1.77 beck 279: if (options->client_alive_count_max == -1)
280: options->client_alive_count_max = 3;
1.219 djm 281: if (options->num_authkeys_files == 0) {
282: options->authorized_keys_files[options->num_authkeys_files++] =
283: xstrdup(_PATH_SSH_USER_PERMITTED_KEYS);
284: options->authorized_keys_files[options->num_authkeys_files++] =
285: xstrdup(_PATH_SSH_USER_PERMITTED_KEYS2);
286: }
1.145 reyk 287: if (options->permit_tun == -1)
1.146 reyk 288: options->permit_tun = SSH_TUNMODE_NO;
1.213 djm 289: if (options->ip_qos_interactive == -1)
290: options->ip_qos_interactive = IPTOS_LOWDELAY;
291: if (options->ip_qos_bulk == -1)
292: options->ip_qos_bulk = IPTOS_THROUGHPUT;
1.225 djm 293: if (options->version_addendum == NULL)
294: options->version_addendum = xstrdup("");
1.251 millert 295: if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
296: options->fwd_opts.streamlocal_bind_mask = 0177;
297: if (options->fwd_opts.streamlocal_bind_unlink == -1)
298: options->fwd_opts.streamlocal_bind_unlink = 0;
1.110 markus 299: /* Turn privilege separation on by default */
1.102 provos 300: if (use_privsep == -1)
1.228 djm 301: use_privsep = PRIVSEP_NOSANDBOX;
1.1 deraadt 302: }
303:
304: /* Keyword tokens. */
1.25 markus 305: typedef enum {
306: sBadOption, /* == unknown option */
307: sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
308: sPermitRootLogin, sLogFacility, sLogLevel,
1.124 markus 309: sRhostsRSAAuthentication, sRSAAuthentication,
1.25 markus 310: sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
1.130 jakob 311: sKerberosGetAFSToken,
1.123 markus 312: sKerberosTgtPassing, sChallengeResponseAuthentication,
1.138 djm 313: sPasswordAuthentication, sKbdInteractiveAuthentication,
314: sListenAddress, sAddressFamily,
1.72 stevesk 315: sPrintMotd, sPrintLastLog, sIgnoreRhosts,
1.99 stevesk 316: sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost,
1.244 djm 317: sPermitTTY, sStrictModes, sEmptyPasswd, sTCPKeepAlive,
1.113 markus 318: sPermitUserEnvironment, sUseLogin, sAllowTcpForwarding, sCompression,
1.235 dtucker 319: sRekeyLimit, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
1.66 markus 320: sIgnoreUserKnownHosts, sCiphers, sMacs, sProtocol, sPidFile,
1.133 dtucker 321: sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem,
1.180 djm 322: sMaxStartups, sMaxAuthTries, sMaxSessions,
1.122 markus 323: sBanner, sUseDNS, sHostbasedAuthentication,
1.95 deraadt 324: sHostbasedUsesNameFromPacketOnly, sClientAliveInterval,
1.219 djm 325: sClientAliveCountMax, sAuthorizedKeysFile,
1.145 reyk 326: sGssAuthentication, sGssCleanupCreds, sAcceptEnv, sPermitTunnel,
1.176 djm 327: sMatch, sPermitOpen, sForceCommand, sChrootDirectory,
1.200 dtucker 328: sUsePrivilegeSeparation, sAllowAgentForwarding,
1.249 djm 329: sHostCertificate,
1.208 djm 330: sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile,
1.225 djm 331: sKexAlgorithms, sIPQoS, sVersionAddendum,
1.231 djm 332: sAuthorizedKeysCommand, sAuthorizedKeysCommandUser,
1.250 djm 333: sAuthenticationMethods, sHostKeyAgent, sPermitUserRC,
1.251 millert 334: sStreamLocalBindMask, sStreamLocalBindUnlink,
335: sAllowStreamLocalForwarding,
1.121 jakob 336: sDeprecated, sUnsupported
1.1 deraadt 337: } ServerOpCodes;
338:
1.153 dtucker 339: #define SSHCFG_GLOBAL 0x01 /* allowed in main section of sshd_config */
340: #define SSHCFG_MATCH 0x02 /* allowed inside a Match section */
341: #define SSHCFG_ALL (SSHCFG_GLOBAL|SSHCFG_MATCH)
342:
1.1 deraadt 343: /* Textual representation of the tokens. */
1.25 markus 344: static struct {
345: const char *name;
346: ServerOpCodes opcode;
1.153 dtucker 347: u_int flags;
1.25 markus 348: } keywords[] = {
1.153 dtucker 349: { "port", sPort, SSHCFG_GLOBAL },
350: { "hostkey", sHostKeyFile, SSHCFG_GLOBAL },
351: { "hostdsakey", sHostKeyFile, SSHCFG_GLOBAL }, /* alias */
1.240 markus 352: { "hostkeyagent", sHostKeyAgent, SSHCFG_GLOBAL },
1.153 dtucker 353: { "pidfile", sPidFile, SSHCFG_GLOBAL },
354: { "serverkeybits", sServerKeyBits, SSHCFG_GLOBAL },
355: { "logingracetime", sLoginGraceTime, SSHCFG_GLOBAL },
356: { "keyregenerationinterval", sKeyRegenerationTime, SSHCFG_GLOBAL },
1.175 dtucker 357: { "permitrootlogin", sPermitRootLogin, SSHCFG_ALL },
1.153 dtucker 358: { "syslogfacility", sLogFacility, SSHCFG_GLOBAL },
359: { "loglevel", sLogLevel, SSHCFG_GLOBAL },
360: { "rhostsauthentication", sDeprecated, SSHCFG_GLOBAL },
1.168 dtucker 361: { "rhostsrsaauthentication", sRhostsRSAAuthentication, SSHCFG_ALL },
362: { "hostbasedauthentication", sHostbasedAuthentication, SSHCFG_ALL },
1.209 djm 363: { "hostbasedusesnamefrompacketonly", sHostbasedUsesNameFromPacketOnly, SSHCFG_ALL },
1.168 dtucker 364: { "rsaauthentication", sRSAAuthentication, SSHCFG_ALL },
365: { "pubkeyauthentication", sPubkeyAuthentication, SSHCFG_ALL },
1.153 dtucker 366: { "dsaauthentication", sPubkeyAuthentication, SSHCFG_GLOBAL }, /* alias */
1.123 markus 367: #ifdef KRB5
1.168 dtucker 368: { "kerberosauthentication", sKerberosAuthentication, SSHCFG_ALL },
1.153 dtucker 369: { "kerberosorlocalpasswd", sKerberosOrLocalPasswd, SSHCFG_GLOBAL },
370: { "kerberosticketcleanup", sKerberosTicketCleanup, SSHCFG_GLOBAL },
371: { "kerberosgetafstoken", sKerberosGetAFSToken, SSHCFG_GLOBAL },
1.121 jakob 372: #else
1.168 dtucker 373: { "kerberosauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 374: { "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL },
375: { "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL },
376: { "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
1.126 markus 377: #endif
1.153 dtucker 378: { "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL },
379: { "afstokenpassing", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 380: #ifdef GSSAPI
1.168 dtucker 381: { "gssapiauthentication", sGssAuthentication, SSHCFG_ALL },
1.153 dtucker 382: { "gssapicleanupcredentials", sGssCleanupCreds, SSHCFG_GLOBAL },
1.125 markus 383: #else
1.168 dtucker 384: { "gssapiauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 385: { "gssapicleanupcredentials", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 386: #endif
1.168 dtucker 387: { "passwordauthentication", sPasswordAuthentication, SSHCFG_ALL },
388: { "kbdinteractiveauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL },
1.170 dtucker 389: { "challengeresponseauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL },
1.153 dtucker 390: { "skeyauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL }, /* alias */
391: { "checkmail", sDeprecated, SSHCFG_GLOBAL },
392: { "listenaddress", sListenAddress, SSHCFG_GLOBAL },
393: { "addressfamily", sAddressFamily, SSHCFG_GLOBAL },
394: { "printmotd", sPrintMotd, SSHCFG_GLOBAL },
395: { "printlastlog", sPrintLastLog, SSHCFG_GLOBAL },
396: { "ignorerhosts", sIgnoreRhosts, SSHCFG_GLOBAL },
397: { "ignoreuserknownhosts", sIgnoreUserKnownHosts, SSHCFG_GLOBAL },
1.157 dtucker 398: { "x11forwarding", sX11Forwarding, SSHCFG_ALL },
399: { "x11displayoffset", sX11DisplayOffset, SSHCFG_ALL },
400: { "x11uselocalhost", sX11UseLocalhost, SSHCFG_ALL },
1.153 dtucker 401: { "xauthlocation", sXAuthLocation, SSHCFG_GLOBAL },
402: { "strictmodes", sStrictModes, SSHCFG_GLOBAL },
1.188 djm 403: { "permitemptypasswords", sEmptyPasswd, SSHCFG_ALL },
1.153 dtucker 404: { "permituserenvironment", sPermitUserEnvironment, SSHCFG_GLOBAL },
405: { "uselogin", sUseLogin, SSHCFG_GLOBAL },
406: { "compression", sCompression, SSHCFG_GLOBAL },
1.235 dtucker 407: { "rekeylimit", sRekeyLimit, SSHCFG_ALL },
1.153 dtucker 408: { "tcpkeepalive", sTCPKeepAlive, SSHCFG_GLOBAL },
409: { "keepalive", sTCPKeepAlive, SSHCFG_GLOBAL }, /* obsolete alias */
410: { "allowtcpforwarding", sAllowTcpForwarding, SSHCFG_ALL },
1.178 pyr 411: { "allowagentforwarding", sAllowAgentForwarding, SSHCFG_ALL },
1.227 markus 412: { "allowusers", sAllowUsers, SSHCFG_ALL },
413: { "denyusers", sDenyUsers, SSHCFG_ALL },
414: { "allowgroups", sAllowGroups, SSHCFG_ALL },
415: { "denygroups", sDenyGroups, SSHCFG_ALL },
1.153 dtucker 416: { "ciphers", sCiphers, SSHCFG_GLOBAL },
417: { "macs", sMacs, SSHCFG_GLOBAL },
418: { "protocol", sProtocol, SSHCFG_GLOBAL },
419: { "gatewayports", sGatewayPorts, SSHCFG_ALL },
420: { "subsystem", sSubsystem, SSHCFG_GLOBAL },
421: { "maxstartups", sMaxStartups, SSHCFG_GLOBAL },
1.184 dtucker 422: { "maxauthtries", sMaxAuthTries, SSHCFG_ALL },
1.180 djm 423: { "maxsessions", sMaxSessions, SSHCFG_ALL },
1.168 dtucker 424: { "banner", sBanner, SSHCFG_ALL },
1.153 dtucker 425: { "usedns", sUseDNS, SSHCFG_GLOBAL },
426: { "verifyreversemapping", sDeprecated, SSHCFG_GLOBAL },
427: { "reversemappingcheck", sDeprecated, SSHCFG_GLOBAL },
428: { "clientaliveinterval", sClientAliveInterval, SSHCFG_GLOBAL },
429: { "clientalivecountmax", sClientAliveCountMax, SSHCFG_GLOBAL },
1.209 djm 430: { "authorizedkeysfile", sAuthorizedKeysFile, SSHCFG_ALL },
1.219 djm 431: { "authorizedkeysfile2", sDeprecated, SSHCFG_ALL },
1.153 dtucker 432: { "useprivilegeseparation", sUsePrivilegeSeparation, SSHCFG_GLOBAL},
1.227 markus 433: { "acceptenv", sAcceptEnv, SSHCFG_ALL },
1.209 djm 434: { "permittunnel", sPermitTunnel, SSHCFG_ALL },
1.244 djm 435: { "permittty", sPermitTTY, SSHCFG_ALL },
1.250 djm 436: { "permituserrc", sPermitUserRC, SSHCFG_ALL },
1.153 dtucker 437: { "match", sMatch, SSHCFG_ALL },
1.156 dtucker 438: { "permitopen", sPermitOpen, SSHCFG_ALL },
1.158 dtucker 439: { "forcecommand", sForceCommand, SSHCFG_ALL },
1.176 djm 440: { "chrootdirectory", sChrootDirectory, SSHCFG_ALL },
1.203 djm 441: { "hostcertificate", sHostCertificate, SSHCFG_GLOBAL },
1.204 djm 442: { "revokedkeys", sRevokedKeys, SSHCFG_ALL },
443: { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL },
1.209 djm 444: { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL },
1.211 djm 445: { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL },
1.213 djm 446: { "ipqos", sIPQoS, SSHCFG_ALL },
1.231 djm 447: { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL },
448: { "authorizedkeyscommanduser", sAuthorizedKeysCommandUser, SSHCFG_ALL },
1.225 djm 449: { "versionaddendum", sVersionAddendum, SSHCFG_GLOBAL },
1.232 djm 450: { "authenticationmethods", sAuthenticationMethods, SSHCFG_ALL },
1.251 millert 451: { "streamlocalbindmask", sStreamLocalBindMask, SSHCFG_ALL },
452: { "streamlocalbindunlink", sStreamLocalBindUnlink, SSHCFG_ALL },
453: { "allowstreamlocalforwarding", sAllowStreamLocalForwarding, SSHCFG_ALL },
1.153 dtucker 454: { NULL, sBadOption, 0 }
1.1 deraadt 455: };
456:
1.182 dtucker 457: static struct {
458: int val;
459: char *text;
460: } tunmode_desc[] = {
461: { SSH_TUNMODE_NO, "no" },
462: { SSH_TUNMODE_POINTOPOINT, "point-to-point" },
463: { SSH_TUNMODE_ETHERNET, "ethernet" },
464: { SSH_TUNMODE_YES, "yes" },
465: { -1, NULL }
466: };
467:
1.27 markus 468: /*
1.73 stevesk 469: * Returns the number of the token pointed to by cp or sBadOption.
1.27 markus 470: */
1.1 deraadt 471:
1.34 markus 472: static ServerOpCodes
1.25 markus 473: parse_token(const char *cp, const char *filename,
1.153 dtucker 474: int linenum, u_int *flags)
1.1 deraadt 475: {
1.55 markus 476: u_int i;
1.1 deraadt 477:
1.25 markus 478: for (i = 0; keywords[i].name; i++)
1.153 dtucker 479: if (strcasecmp(cp, keywords[i].name) == 0) {
480: *flags = keywords[i].flags;
1.25 markus 481: return keywords[i].opcode;
1.153 dtucker 482: }
1.25 markus 483:
1.78 stevesk 484: error("%s: line %d: Bad configuration option: %s",
485: filename, linenum, cp);
1.25 markus 486: return sBadOption;
1.1 deraadt 487: }
488:
1.202 djm 489: char *
490: derelativise_path(const char *path)
491: {
1.207 djm 492: char *expanded, *ret, cwd[MAXPATHLEN];
1.202 djm 493:
494: expanded = tilde_expand_filename(path, getuid());
495: if (*expanded == '/')
496: return expanded;
1.207 djm 497: if (getcwd(cwd, sizeof(cwd)) == NULL)
1.202 djm 498: fatal("%s: getcwd: %s", __func__, strerror(errno));
499: xasprintf(&ret, "%s/%s", cwd, expanded);
1.239 djm 500: free(expanded);
1.202 djm 501: return ret;
502: }
503:
1.84 itojun 504: static void
1.194 djm 505: add_listen_addr(ServerOptions *options, char *addr, int port)
1.74 stevesk 506: {
1.142 djm 507: u_int i;
1.74 stevesk 508:
509: if (options->num_ports == 0)
510: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
1.138 djm 511: if (options->address_family == -1)
512: options->address_family = AF_UNSPEC;
1.76 stevesk 513: if (port == 0)
1.74 stevesk 514: for (i = 0; i < options->num_ports; i++)
515: add_one_listen_addr(options, addr, options->ports[i]);
516: else
1.76 stevesk 517: add_one_listen_addr(options, addr, port);
1.74 stevesk 518: }
519:
1.84 itojun 520: static void
1.194 djm 521: add_one_listen_addr(ServerOptions *options, char *addr, int port)
1.29 markus 522: {
523: struct addrinfo hints, *ai, *aitop;
524: char strport[NI_MAXSERV];
525: int gaierr;
526:
1.74 stevesk 527: memset(&hints, 0, sizeof(hints));
1.138 djm 528: hints.ai_family = options->address_family;
1.74 stevesk 529: hints.ai_socktype = SOCK_STREAM;
530: hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
1.194 djm 531: snprintf(strport, sizeof strport, "%d", port);
1.74 stevesk 532: if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
533: fatal("bad addr or host: %s (%s)",
534: addr ? addr : "<NULL>",
1.173 dtucker 535: ssh_gai_strerror(gaierr));
1.74 stevesk 536: for (ai = aitop; ai->ai_next; ai = ai->ai_next)
537: ;
538: ai->ai_next = options->listen_addrs;
539: options->listen_addrs = aitop;
1.29 markus 540: }
541:
1.226 dtucker 542: struct connection_info *
543: get_connection_info(int populate, int use_dns)
544: {
545: static struct connection_info ci;
546:
547: if (!populate)
548: return &ci;
549: ci.host = get_canonical_hostname(use_dns);
550: ci.address = get_remote_ipaddr();
551: ci.laddress = get_local_ipaddr(packet_get_connection_in());
552: ci.lport = get_local_port();
553: return &ci;
554: }
555:
1.153 dtucker 556: /*
557: * The strategy for the Match blocks is that the config file is parsed twice.
558: *
559: * The first time is at startup. activep is initialized to 1 and the
560: * directives in the global context are processed and acted on. Hitting a
561: * Match directive unsets activep and the directives inside the block are
562: * checked for syntax only.
563: *
564: * The second time is after a connection has been established but before
565: * authentication. activep is initialized to 2 and global config directives
566: * are ignored since they have already been processed. If the criteria in a
567: * Match block is met, activep is set and the subsequent directives
568: * processed and actioned until EOF or another Match block unsets it. Any
569: * options set are copied into the main server config.
570: *
571: * Potential additions/improvements:
572: * - Add Match support for pre-kex directives, eg Protocol, Ciphers.
573: *
574: * - Add a Tag directive (idea from David Leonard) ala pf, eg:
575: * Match Address 192.168.0.*
576: * Tag trusted
577: * Match Group wheel
578: * Tag trusted
579: * Match Tag trusted
580: * AllowTcpForwarding yes
581: * GatewayPorts clientspecified
582: * [...]
583: *
584: * - Add a PermittedChannelRequests directive
585: * Match Group shell
586: * PermittedChannelRequests session,forwarded-tcpip
587: */
588:
589: static int
1.165 dtucker 590: match_cfg_line_group(const char *grps, int line, const char *user)
591: {
592: int result = 0;
593: struct passwd *pw;
594:
595: if (user == NULL)
596: goto out;
597:
598: if ((pw = getpwnam(user)) == NULL) {
599: debug("Can't match group at line %d because user %.100s does "
600: "not exist", line, user);
601: } else if (ga_init(pw->pw_name, pw->pw_gid) == 0) {
602: debug("Can't Match group because user %.100s not in any group "
603: "at line %d", user, line);
1.186 djm 604: } else if (ga_match_pattern_list(grps) != 1) {
605: debug("user %.100s does not match group list %.100s at line %d",
606: user, grps, line);
1.165 dtucker 607: } else {
1.186 djm 608: debug("user %.100s matched group list %.100s at line %d", user,
609: grps, line);
1.165 dtucker 610: result = 1;
611: }
612: out:
613: ga_free();
614: return result;
615: }
616:
1.226 dtucker 617: /*
1.230 dtucker 618: * All of the attributes on a single Match line are ANDed together, so we need
1.242 dtucker 619: * to check every attribute and set the result to zero if any attribute does
1.230 dtucker 620: * not match.
1.226 dtucker 621: */
1.165 dtucker 622: static int
1.226 dtucker 623: match_cfg_line(char **condition, int line, struct connection_info *ci)
1.153 dtucker 624: {
1.243 dtucker 625: int result = 1, attributes = 0, port;
1.153 dtucker 626: char *arg, *attrib, *cp = *condition;
627: size_t len;
628:
1.226 dtucker 629: if (ci == NULL)
1.153 dtucker 630: debug3("checking syntax for 'Match %s'", cp);
631: else
1.226 dtucker 632: debug3("checking match for '%s' user %s host %s addr %s "
633: "laddr %s lport %d", cp, ci->user ? ci->user : "(null)",
634: ci->host ? ci->host : "(null)",
635: ci->address ? ci->address : "(null)",
636: ci->laddress ? ci->laddress : "(null)", ci->lport);
1.153 dtucker 637:
638: while ((attrib = strdelim(&cp)) && *attrib != '\0') {
1.243 dtucker 639: attributes++;
640: if (strcasecmp(attrib, "all") == 0) {
641: if (attributes != 1 ||
642: ((arg = strdelim(&cp)) != NULL && *arg != '\0')) {
643: error("'all' cannot be combined with other "
644: "Match attributes");
645: return -1;
646: }
647: *condition = cp;
648: return 1;
649: }
1.153 dtucker 650: if ((arg = strdelim(&cp)) == NULL || *arg == '\0') {
651: error("Missing Match criteria for %s", attrib);
652: return -1;
653: }
654: len = strlen(arg);
655: if (strcasecmp(attrib, "user") == 0) {
1.226 dtucker 656: if (ci == NULL || ci->user == NULL) {
1.153 dtucker 657: result = 0;
658: continue;
659: }
1.226 dtucker 660: if (match_pattern_list(ci->user, arg, len, 0) != 1)
1.153 dtucker 661: result = 0;
662: else
663: debug("user %.100s matched 'User %.100s' at "
1.226 dtucker 664: "line %d", ci->user, arg, line);
1.165 dtucker 665: } else if (strcasecmp(attrib, "group") == 0) {
1.226 dtucker 666: if (ci == NULL || ci->user == NULL) {
667: result = 0;
668: continue;
669: }
670: switch (match_cfg_line_group(arg, line, ci->user)) {
1.165 dtucker 671: case -1:
672: return -1;
673: case 0:
674: result = 0;
675: }
1.153 dtucker 676: } else if (strcasecmp(attrib, "host") == 0) {
1.226 dtucker 677: if (ci == NULL || ci->host == NULL) {
1.153 dtucker 678: result = 0;
679: continue;
680: }
1.226 dtucker 681: if (match_hostname(ci->host, arg, len) != 1)
1.153 dtucker 682: result = 0;
683: else
684: debug("connection from %.100s matched 'Host "
1.226 dtucker 685: "%.100s' at line %d", ci->host, arg, line);
1.153 dtucker 686: } else if (strcasecmp(attrib, "address") == 0) {
1.226 dtucker 687: if (ci == NULL || ci->address == NULL) {
688: result = 0;
689: continue;
690: }
691: switch (addr_match_list(ci->address, arg)) {
1.181 djm 692: case 1:
693: debug("connection from %.100s matched 'Address "
1.226 dtucker 694: "%.100s' at line %d", ci->address, arg, line);
1.181 djm 695: break;
696: case 0:
1.183 djm 697: case -1:
1.153 dtucker 698: result = 0;
1.181 djm 699: break;
1.183 djm 700: case -2:
1.181 djm 701: return -1;
1.153 dtucker 702: }
1.226 dtucker 703: } else if (strcasecmp(attrib, "localaddress") == 0){
704: if (ci == NULL || ci->laddress == NULL) {
705: result = 0;
706: continue;
707: }
708: switch (addr_match_list(ci->laddress, arg)) {
709: case 1:
710: debug("connection from %.100s matched "
711: "'LocalAddress %.100s' at line %d",
712: ci->laddress, arg, line);
713: break;
714: case 0:
715: case -1:
716: result = 0;
717: break;
718: case -2:
719: return -1;
720: }
721: } else if (strcasecmp(attrib, "localport") == 0) {
722: if ((port = a2port(arg)) == -1) {
723: error("Invalid LocalPort '%s' on Match line",
724: arg);
725: return -1;
726: }
727: if (ci == NULL || ci->lport == 0) {
728: result = 0;
729: continue;
730: }
731: /* TODO support port lists */
732: if (port == ci->lport)
733: debug("connection from %.100s matched "
734: "'LocalPort %d' at line %d",
735: ci->laddress, port, line);
736: else
737: result = 0;
1.153 dtucker 738: } else {
739: error("Unsupported Match attribute %s", attrib);
740: return -1;
741: }
1.243 dtucker 742: }
743: if (attributes == 0) {
744: error("One or more attributes required for Match");
745: return -1;
1.153 dtucker 746: }
1.226 dtucker 747: if (ci != NULL)
1.153 dtucker 748: debug3("match %sfound", result ? "" : "not ");
749: *condition = cp;
750: return result;
751: }
752:
1.158 dtucker 753: #define WHITESPACE " \t\r\n"
754:
1.220 djm 755: /* Multistate option parsing */
756: struct multistate {
757: char *key;
758: int value;
759: };
760: static const struct multistate multistate_addressfamily[] = {
761: { "inet", AF_INET },
762: { "inet6", AF_INET6 },
763: { "any", AF_UNSPEC },
764: { NULL, -1 }
765: };
766: static const struct multistate multistate_permitrootlogin[] = {
767: { "without-password", PERMIT_NO_PASSWD },
768: { "forced-commands-only", PERMIT_FORCED_ONLY },
769: { "yes", PERMIT_YES },
770: { "no", PERMIT_NO },
771: { NULL, -1 }
772: };
773: static const struct multistate multistate_compression[] = {
774: { "delayed", COMP_DELAYED },
775: { "yes", COMP_ZLIB },
776: { "no", COMP_NONE },
777: { NULL, -1 }
778: };
779: static const struct multistate multistate_gatewayports[] = {
780: { "clientspecified", 2 },
781: { "yes", 1 },
782: { "no", 0 },
783: { NULL, -1 }
784: };
1.222 djm 785: static const struct multistate multistate_privsep[] = {
1.228 djm 786: { "yes", PRIVSEP_NOSANDBOX },
787: { "sandbox", PRIVSEP_ON },
788: { "nosandbox", PRIVSEP_NOSANDBOX },
1.222 djm 789: { "no", PRIVSEP_OFF },
790: { NULL, -1 }
791: };
1.233 djm 792: static const struct multistate multistate_tcpfwd[] = {
793: { "yes", FORWARD_ALLOW },
794: { "all", FORWARD_ALLOW },
795: { "no", FORWARD_DENY },
796: { "remote", FORWARD_REMOTE },
797: { "local", FORWARD_LOCAL },
798: { NULL, -1 }
799: };
1.220 djm 800:
1.94 markus 801: int
802: process_server_config_line(ServerOptions *options, char *line,
1.226 dtucker 803: const char *filename, int linenum, int *activep,
804: struct connection_info *connectinfo)
1.1 deraadt 805: {
1.238 dtucker 806: char *cp, **charptr, *arg, *p;
1.237 dtucker 807: int cmdline = 0, *intptr, value, value2, n, port;
1.174 dtucker 808: SyslogFacility *log_facility_ptr;
809: LogLevel *log_level_ptr;
1.25 markus 810: ServerOpCodes opcode;
1.153 dtucker 811: u_int i, flags = 0;
1.151 djm 812: size_t len;
1.237 dtucker 813: long long val64;
1.220 djm 814: const struct multistate *multistate_ptr;
1.25 markus 815:
1.94 markus 816: cp = line;
1.148 dtucker 817: if ((arg = strdelim(&cp)) == NULL)
1.147 djm 818: return 0;
1.94 markus 819: /* Ignore leading whitespace */
820: if (*arg == '\0')
821: arg = strdelim(&cp);
822: if (!arg || !*arg || *arg == '#')
823: return 0;
824: intptr = NULL;
825: charptr = NULL;
1.153 dtucker 826: opcode = parse_token(arg, filename, linenum, &flags);
827:
828: if (activep == NULL) { /* We are processing a command line directive */
829: cmdline = 1;
830: activep = &cmdline;
831: }
832: if (*activep && opcode != sMatch)
833: debug3("%s:%d setting %s %s", filename, linenum, arg, cp);
834: if (*activep == 0 && !(flags & SSHCFG_MATCH)) {
1.226 dtucker 835: if (connectinfo == NULL) {
1.153 dtucker 836: fatal("%s line %d: Directive '%s' is not allowed "
837: "within a Match block", filename, linenum, arg);
838: } else { /* this is a directive we have already processed */
839: while (arg)
840: arg = strdelim(&cp);
841: return 0;
842: }
843: }
844:
1.94 markus 845: switch (opcode) {
846: case sBadOption:
847: return -1;
848: case sPort:
849: /* ignore ports from configfile if cmdline specifies ports */
850: if (options->ports_from_cmdline)
851: return 0;
852: if (options->listen_addrs != NULL)
853: fatal("%s line %d: ports must be specified before "
1.98 stevesk 854: "ListenAddress.", filename, linenum);
1.94 markus 855: if (options->num_ports >= MAX_PORTS)
856: fatal("%s line %d: too many ports.",
857: filename, linenum);
1.48 provos 858: arg = strdelim(&cp);
1.94 markus 859: if (!arg || *arg == '\0')
860: fatal("%s line %d: missing port number.",
861: filename, linenum);
862: options->ports[options->num_ports++] = a2port(arg);
1.194 djm 863: if (options->ports[options->num_ports-1] <= 0)
1.94 markus 864: fatal("%s line %d: Badly formatted port number.",
865: filename, linenum);
866: break;
1.29 markus 867:
1.94 markus 868: case sServerKeyBits:
869: intptr = &options->server_key_bits;
1.180 djm 870: parse_int:
1.94 markus 871: arg = strdelim(&cp);
872: if (!arg || *arg == '\0')
873: fatal("%s line %d: missing integer value.",
874: filename, linenum);
875: value = atoi(arg);
1.153 dtucker 876: if (*activep && *intptr == -1)
1.94 markus 877: *intptr = value;
878: break;
1.25 markus 879:
1.94 markus 880: case sLoginGraceTime:
881: intptr = &options->login_grace_time;
1.180 djm 882: parse_time:
1.94 markus 883: arg = strdelim(&cp);
884: if (!arg || *arg == '\0')
885: fatal("%s line %d: missing time value.",
886: filename, linenum);
887: if ((value = convtime(arg)) == -1)
888: fatal("%s line %d: invalid time value.",
889: filename, linenum);
890: if (*intptr == -1)
891: *intptr = value;
892: break;
893:
894: case sKeyRegenerationTime:
895: intptr = &options->key_regeneration_time;
896: goto parse_time;
897:
898: case sListenAddress:
899: arg = strdelim(&cp);
1.139 djm 900: if (arg == NULL || *arg == '\0')
901: fatal("%s line %d: missing address",
1.94 markus 902: filename, linenum);
1.144 dtucker 903: /* check for bare IPv6 address: no "[]" and 2 or more ":" */
904: if (strchr(arg, '[') == NULL && (p = strchr(arg, ':')) != NULL
905: && strchr(p+1, ':') != NULL) {
906: add_listen_addr(options, arg, 0);
907: break;
908: }
1.139 djm 909: p = hpdelim(&arg);
910: if (p == NULL)
911: fatal("%s line %d: bad address:port usage",
912: filename, linenum);
913: p = cleanhostname(p);
914: if (arg == NULL)
915: port = 0;
1.194 djm 916: else if ((port = a2port(arg)) <= 0)
1.139 djm 917: fatal("%s line %d: bad port number", filename, linenum);
918:
919: add_listen_addr(options, p, port);
1.25 markus 920:
1.138 djm 921: break;
922:
923: case sAddressFamily:
1.220 djm 924: intptr = &options->address_family;
925: multistate_ptr = multistate_addressfamily;
926: if (options->listen_addrs != NULL)
927: fatal("%s line %d: address family must be specified "
928: "before ListenAddress.", filename, linenum);
929: parse_multistate:
1.138 djm 930: arg = strdelim(&cp);
1.141 markus 931: if (!arg || *arg == '\0')
1.220 djm 932: fatal("%s line %d: missing argument.",
1.141 markus 933: filename, linenum);
1.220 djm 934: value = -1;
935: for (i = 0; multistate_ptr[i].key != NULL; i++) {
936: if (strcasecmp(arg, multistate_ptr[i].key) == 0) {
937: value = multistate_ptr[i].value;
938: break;
939: }
940: }
941: if (value == -1)
942: fatal("%s line %d: unsupported option \"%s\".",
1.138 djm 943: filename, linenum, arg);
1.220 djm 944: if (*activep && *intptr == -1)
1.138 djm 945: *intptr = value;
1.94 markus 946: break;
947:
948: case sHostKeyFile:
949: intptr = &options->num_host_key_files;
950: if (*intptr >= MAX_HOSTKEYS)
951: fatal("%s line %d: too many host keys specified (max %d).",
952: filename, linenum, MAX_HOSTKEYS);
953: charptr = &options->host_key_files[*intptr];
1.180 djm 954: parse_filename:
1.94 markus 955: arg = strdelim(&cp);
956: if (!arg || *arg == '\0')
957: fatal("%s line %d: missing file name.",
958: filename, linenum);
1.153 dtucker 959: if (*activep && *charptr == NULL) {
1.202 djm 960: *charptr = derelativise_path(arg);
1.94 markus 961: /* increase optional counter */
962: if (intptr != NULL)
963: *intptr = *intptr + 1;
964: }
965: break;
1.76 stevesk 966:
1.240 markus 967: case sHostKeyAgent:
968: charptr = &options->host_key_agent;
969: arg = strdelim(&cp);
970: if (!arg || *arg == '\0')
971: fatal("%s line %d: missing socket name.",
972: filename, linenum);
973: if (*activep && *charptr == NULL)
974: *charptr = !strcmp(arg, SSH_AUTHSOCKET_ENV_NAME) ?
975: xstrdup(arg) : derelativise_path(arg);
976: break;
977:
1.203 djm 978: case sHostCertificate:
979: intptr = &options->num_host_cert_files;
980: if (*intptr >= MAX_HOSTKEYS)
981: fatal("%s line %d: too many host certificates "
982: "specified (max %d).", filename, linenum,
983: MAX_HOSTCERTS);
984: charptr = &options->host_cert_files[*intptr];
985: goto parse_filename;
986: break;
987:
1.94 markus 988: case sPidFile:
989: charptr = &options->pid_file;
990: goto parse_filename;
1.25 markus 991:
1.94 markus 992: case sPermitRootLogin:
993: intptr = &options->permit_root_login;
1.220 djm 994: multistate_ptr = multistate_permitrootlogin;
995: goto parse_multistate;
1.36 markus 996:
1.94 markus 997: case sIgnoreRhosts:
998: intptr = &options->ignore_rhosts;
1.180 djm 999: parse_flag:
1.94 markus 1000: arg = strdelim(&cp);
1001: if (!arg || *arg == '\0')
1002: fatal("%s line %d: missing yes/no argument.",
1003: filename, linenum);
1004: value = 0; /* silence compiler */
1005: if (strcmp(arg, "yes") == 0)
1006: value = 1;
1007: else if (strcmp(arg, "no") == 0)
1008: value = 0;
1009: else
1010: fatal("%s line %d: Bad yes/no argument: %s",
1011: filename, linenum, arg);
1.153 dtucker 1012: if (*activep && *intptr == -1)
1.94 markus 1013: *intptr = value;
1014: break;
1015:
1016: case sIgnoreUserKnownHosts:
1017: intptr = &options->ignore_user_known_hosts;
1018: goto parse_flag;
1019:
1020: case sRhostsRSAAuthentication:
1021: intptr = &options->rhosts_rsa_authentication;
1022: goto parse_flag;
1023:
1024: case sHostbasedAuthentication:
1025: intptr = &options->hostbased_authentication;
1026: goto parse_flag;
1027:
1028: case sHostbasedUsesNameFromPacketOnly:
1029: intptr = &options->hostbased_uses_name_from_packet_only;
1030: goto parse_flag;
1031:
1032: case sRSAAuthentication:
1033: intptr = &options->rsa_authentication;
1034: goto parse_flag;
1035:
1036: case sPubkeyAuthentication:
1037: intptr = &options->pubkey_authentication;
1038: goto parse_flag;
1.119 jakob 1039:
1.94 markus 1040: case sKerberosAuthentication:
1041: intptr = &options->kerberos_authentication;
1042: goto parse_flag;
1043:
1044: case sKerberosOrLocalPasswd:
1045: intptr = &options->kerberos_or_local_passwd;
1046: goto parse_flag;
1047:
1048: case sKerberosTicketCleanup:
1049: intptr = &options->kerberos_ticket_cleanup;
1.130 jakob 1050: goto parse_flag;
1051:
1052: case sKerberosGetAFSToken:
1053: intptr = &options->kerberos_get_afs_token;
1.125 markus 1054: goto parse_flag;
1055:
1056: case sGssAuthentication:
1057: intptr = &options->gss_authentication;
1058: goto parse_flag;
1059:
1060: case sGssCleanupCreds:
1061: intptr = &options->gss_cleanup_creds;
1.94 markus 1062: goto parse_flag;
1063:
1064: case sPasswordAuthentication:
1065: intptr = &options->password_authentication;
1066: goto parse_flag;
1067:
1068: case sKbdInteractiveAuthentication:
1069: intptr = &options->kbd_interactive_authentication;
1070: goto parse_flag;
1071:
1072: case sChallengeResponseAuthentication:
1073: intptr = &options->challenge_response_authentication;
1074: goto parse_flag;
1075:
1076: case sPrintMotd:
1077: intptr = &options->print_motd;
1078: goto parse_flag;
1079:
1080: case sPrintLastLog:
1081: intptr = &options->print_lastlog;
1082: goto parse_flag;
1083:
1084: case sX11Forwarding:
1085: intptr = &options->x11_forwarding;
1086: goto parse_flag;
1087:
1088: case sX11DisplayOffset:
1089: intptr = &options->x11_display_offset;
1090: goto parse_int;
1.99 stevesk 1091:
1092: case sX11UseLocalhost:
1093: intptr = &options->x11_use_localhost;
1094: goto parse_flag;
1.94 markus 1095:
1096: case sXAuthLocation:
1097: charptr = &options->xauth_location;
1098: goto parse_filename;
1099:
1.244 djm 1100: case sPermitTTY:
1101: intptr = &options->permit_tty;
1102: goto parse_flag;
1103:
1.250 djm 1104: case sPermitUserRC:
1105: intptr = &options->permit_user_rc;
1106: goto parse_flag;
1107:
1.94 markus 1108: case sStrictModes:
1109: intptr = &options->strict_modes;
1110: goto parse_flag;
1111:
1.129 markus 1112: case sTCPKeepAlive:
1113: intptr = &options->tcp_keep_alive;
1.94 markus 1114: goto parse_flag;
1115:
1116: case sEmptyPasswd:
1117: intptr = &options->permit_empty_passwd;
1.113 markus 1118: goto parse_flag;
1119:
1120: case sPermitUserEnvironment:
1121: intptr = &options->permit_user_env;
1.94 markus 1122: goto parse_flag;
1123:
1124: case sUseLogin:
1125: intptr = &options->use_login;
1.111 markus 1126: goto parse_flag;
1127:
1128: case sCompression:
1129: intptr = &options->compression;
1.220 djm 1130: multistate_ptr = multistate_compression;
1131: goto parse_multistate;
1.94 markus 1132:
1.235 dtucker 1133: case sRekeyLimit:
1134: arg = strdelim(&cp);
1135: if (!arg || *arg == '\0')
1136: fatal("%.200s line %d: Missing argument.", filename,
1137: linenum);
1138: if (strcmp(arg, "default") == 0) {
1139: val64 = 0;
1140: } else {
1.236 dtucker 1141: if (scan_scaled(arg, &val64) == -1)
1142: fatal("%.200s line %d: Bad number '%s': %s",
1143: filename, linenum, arg, strerror(errno));
1144: /* check for too-large or too-small limits */
1145: if (val64 > UINT_MAX)
1.235 dtucker 1146: fatal("%.200s line %d: RekeyLimit too large",
1147: filename, linenum);
1148: if (val64 != 0 && val64 < 16)
1149: fatal("%.200s line %d: RekeyLimit too small",
1150: filename, linenum);
1151: }
1152: if (*activep && options->rekey_limit == -1)
1153: options->rekey_limit = (u_int32_t)val64;
1154: if (cp != NULL) { /* optional rekey interval present */
1155: if (strcmp(cp, "none") == 0) {
1156: (void)strdelim(&cp); /* discard */
1157: break;
1158: }
1159: intptr = &options->rekey_interval;
1160: goto parse_time;
1161: }
1162: break;
1163:
1.94 markus 1164: case sGatewayPorts:
1.251 millert 1165: intptr = &options->fwd_opts.gateway_ports;
1.220 djm 1166: multistate_ptr = multistate_gatewayports;
1167: goto parse_multistate;
1.25 markus 1168:
1.122 markus 1169: case sUseDNS:
1170: intptr = &options->use_dns;
1.94 markus 1171: goto parse_flag;
1.53 markus 1172:
1.94 markus 1173: case sLogFacility:
1.174 dtucker 1174: log_facility_ptr = &options->log_facility;
1.94 markus 1175: arg = strdelim(&cp);
1176: value = log_facility_number(arg);
1.101 markus 1177: if (value == SYSLOG_FACILITY_NOT_SET)
1.94 markus 1178: fatal("%.200s line %d: unsupported log facility '%s'",
1179: filename, linenum, arg ? arg : "<NONE>");
1.174 dtucker 1180: if (*log_facility_ptr == -1)
1181: *log_facility_ptr = (SyslogFacility) value;
1.94 markus 1182: break;
1.25 markus 1183:
1.94 markus 1184: case sLogLevel:
1.174 dtucker 1185: log_level_ptr = &options->log_level;
1.94 markus 1186: arg = strdelim(&cp);
1187: value = log_level_number(arg);
1.101 markus 1188: if (value == SYSLOG_LEVEL_NOT_SET)
1.94 markus 1189: fatal("%.200s line %d: unsupported log level '%s'",
1190: filename, linenum, arg ? arg : "<NONE>");
1.174 dtucker 1191: if (*log_level_ptr == -1)
1192: *log_level_ptr = (LogLevel) value;
1.94 markus 1193: break;
1194:
1195: case sAllowTcpForwarding:
1196: intptr = &options->allow_tcp_forwarding;
1.233 djm 1197: multistate_ptr = multistate_tcpfwd;
1198: goto parse_multistate;
1.102 provos 1199:
1.251 millert 1200: case sAllowStreamLocalForwarding:
1201: intptr = &options->allow_streamlocal_forwarding;
1202: multistate_ptr = multistate_tcpfwd;
1203: goto parse_multistate;
1204:
1.178 pyr 1205: case sAllowAgentForwarding:
1206: intptr = &options->allow_agent_forwarding;
1207: goto parse_flag;
1208:
1.102 provos 1209: case sUsePrivilegeSeparation:
1210: intptr = &use_privsep;
1.222 djm 1211: multistate_ptr = multistate_privsep;
1212: goto parse_multistate;
1.94 markus 1213:
1214: case sAllowUsers:
1215: while ((arg = strdelim(&cp)) && *arg != '\0') {
1216: if (options->num_allow_users >= MAX_ALLOW_USERS)
1217: fatal("%s line %d: too many allow users.",
1218: filename, linenum);
1.227 markus 1219: if (!*activep)
1220: continue;
1.112 deraadt 1221: options->allow_users[options->num_allow_users++] =
1222: xstrdup(arg);
1.94 markus 1223: }
1224: break;
1.25 markus 1225:
1.94 markus 1226: case sDenyUsers:
1227: while ((arg = strdelim(&cp)) && *arg != '\0') {
1228: if (options->num_deny_users >= MAX_DENY_USERS)
1.163 stevesk 1229: fatal("%s line %d: too many deny users.",
1.94 markus 1230: filename, linenum);
1.227 markus 1231: if (!*activep)
1232: continue;
1.112 deraadt 1233: options->deny_users[options->num_deny_users++] =
1234: xstrdup(arg);
1.94 markus 1235: }
1236: break;
1.25 markus 1237:
1.94 markus 1238: case sAllowGroups:
1239: while ((arg = strdelim(&cp)) && *arg != '\0') {
1240: if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
1241: fatal("%s line %d: too many allow groups.",
1242: filename, linenum);
1.227 markus 1243: if (!*activep)
1244: continue;
1.112 deraadt 1245: options->allow_groups[options->num_allow_groups++] =
1246: xstrdup(arg);
1.94 markus 1247: }
1248: break;
1.33 markus 1249:
1.94 markus 1250: case sDenyGroups:
1251: while ((arg = strdelim(&cp)) && *arg != '\0') {
1252: if (options->num_deny_groups >= MAX_DENY_GROUPS)
1253: fatal("%s line %d: too many deny groups.",
1254: filename, linenum);
1.227 markus 1255: if (!*activep)
1256: continue;
1257: options->deny_groups[options->num_deny_groups++] =
1258: xstrdup(arg);
1.94 markus 1259: }
1260: break;
1.66 markus 1261:
1.94 markus 1262: case sCiphers:
1263: arg = strdelim(&cp);
1264: if (!arg || *arg == '\0')
1265: fatal("%s line %d: Missing argument.", filename, linenum);
1266: if (!ciphers_valid(arg))
1267: fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
1268: filename, linenum, arg ? arg : "<NONE>");
1269: if (options->ciphers == NULL)
1270: options->ciphers = xstrdup(arg);
1271: break;
1.33 markus 1272:
1.94 markus 1273: case sMacs:
1274: arg = strdelim(&cp);
1275: if (!arg || *arg == '\0')
1276: fatal("%s line %d: Missing argument.", filename, linenum);
1277: if (!mac_valid(arg))
1278: fatal("%s line %d: Bad SSH2 mac spec '%s'.",
1279: filename, linenum, arg ? arg : "<NONE>");
1280: if (options->macs == NULL)
1281: options->macs = xstrdup(arg);
1.211 djm 1282: break;
1283:
1284: case sKexAlgorithms:
1285: arg = strdelim(&cp);
1286: if (!arg || *arg == '\0')
1287: fatal("%s line %d: Missing argument.",
1288: filename, linenum);
1289: if (!kex_names_valid(arg))
1290: fatal("%s line %d: Bad SSH2 KexAlgorithms '%s'.",
1291: filename, linenum, arg ? arg : "<NONE>");
1292: if (options->kex_algorithms == NULL)
1293: options->kex_algorithms = xstrdup(arg);
1.94 markus 1294: break;
1.43 jakob 1295:
1.94 markus 1296: case sProtocol:
1297: intptr = &options->protocol;
1298: arg = strdelim(&cp);
1299: if (!arg || *arg == '\0')
1300: fatal("%s line %d: Missing argument.", filename, linenum);
1301: value = proto_spec(arg);
1302: if (value == SSH_PROTO_UNKNOWN)
1303: fatal("%s line %d: Bad protocol spec '%s'.",
1.95 deraadt 1304: filename, linenum, arg ? arg : "<NONE>");
1.94 markus 1305: if (*intptr == SSH_PROTO_UNKNOWN)
1306: *intptr = value;
1307: break;
1308:
1309: case sSubsystem:
1310: if (options->num_subsystems >= MAX_SUBSYSTEMS) {
1311: fatal("%s line %d: too many subsystems defined.",
1.95 deraadt 1312: filename, linenum);
1.94 markus 1313: }
1314: arg = strdelim(&cp);
1315: if (!arg || *arg == '\0')
1316: fatal("%s line %d: Missing subsystem name.",
1.95 deraadt 1317: filename, linenum);
1.153 dtucker 1318: if (!*activep) {
1319: arg = strdelim(&cp);
1320: break;
1321: }
1.94 markus 1322: for (i = 0; i < options->num_subsystems; i++)
1323: if (strcmp(arg, options->subsystem_name[i]) == 0)
1324: fatal("%s line %d: Subsystem '%s' already defined.",
1.95 deraadt 1325: filename, linenum, arg);
1.94 markus 1326: options->subsystem_name[options->num_subsystems] = xstrdup(arg);
1327: arg = strdelim(&cp);
1328: if (!arg || *arg == '\0')
1329: fatal("%s line %d: Missing subsystem command.",
1.95 deraadt 1330: filename, linenum);
1.94 markus 1331: options->subsystem_command[options->num_subsystems] = xstrdup(arg);
1.151 djm 1332:
1333: /* Collect arguments (separate to executable) */
1334: p = xstrdup(arg);
1335: len = strlen(p) + 1;
1336: while ((arg = strdelim(&cp)) != NULL && *arg != '\0') {
1337: len += 1 + strlen(arg);
1338: p = xrealloc(p, 1, len);
1339: strlcat(p, " ", len);
1340: strlcat(p, arg, len);
1341: }
1342: options->subsystem_args[options->num_subsystems] = p;
1.94 markus 1343: options->num_subsystems++;
1344: break;
1.46 markus 1345:
1.94 markus 1346: case sMaxStartups:
1347: arg = strdelim(&cp);
1348: if (!arg || *arg == '\0')
1349: fatal("%s line %d: Missing MaxStartups spec.",
1.95 deraadt 1350: filename, linenum);
1.94 markus 1351: if ((n = sscanf(arg, "%d:%d:%d",
1352: &options->max_startups_begin,
1353: &options->max_startups_rate,
1354: &options->max_startups)) == 3) {
1355: if (options->max_startups_begin >
1356: options->max_startups ||
1357: options->max_startups_rate > 100 ||
1358: options->max_startups_rate < 1)
1.50 markus 1359: fatal("%s line %d: Illegal MaxStartups spec.",
1.87 stevesk 1360: filename, linenum);
1.94 markus 1361: } else if (n != 1)
1362: fatal("%s line %d: Illegal MaxStartups spec.",
1363: filename, linenum);
1364: else
1365: options->max_startups = options->max_startups_begin;
1366: break;
1.133 dtucker 1367:
1368: case sMaxAuthTries:
1369: intptr = &options->max_authtries;
1370: goto parse_int;
1.94 markus 1371:
1.180 djm 1372: case sMaxSessions:
1373: intptr = &options->max_sessions;
1374: goto parse_int;
1375:
1.94 markus 1376: case sBanner:
1377: charptr = &options->banner;
1378: goto parse_filename;
1.176 djm 1379:
1.94 markus 1380: /*
1381: * These options can contain %X options expanded at
1382: * connect time, so that you can specify paths like:
1383: *
1384: * AuthorizedKeysFile /etc/ssh_keys/%u
1385: */
1386: case sAuthorizedKeysFile:
1.219 djm 1387: if (*activep && options->num_authkeys_files == 0) {
1388: while ((arg = strdelim(&cp)) && *arg != '\0') {
1389: if (options->num_authkeys_files >=
1390: MAX_AUTHKEYS_FILES)
1391: fatal("%s line %d: "
1392: "too many authorized keys files.",
1393: filename, linenum);
1394: options->authorized_keys_files[
1395: options->num_authkeys_files++] =
1396: tilde_expand_filename(arg, getuid());
1397: }
1398: }
1399: return 0;
1400:
1.208 djm 1401: case sAuthorizedPrincipalsFile:
1402: charptr = &options->authorized_principals_file;
1.205 djm 1403: arg = strdelim(&cp);
1404: if (!arg || *arg == '\0')
1405: fatal("%s line %d: missing file name.",
1406: filename, linenum);
1407: if (*activep && *charptr == NULL) {
1.206 markus 1408: *charptr = tilde_expand_filename(arg, getuid());
1.205 djm 1409: /* increase optional counter */
1410: if (intptr != NULL)
1411: *intptr = *intptr + 1;
1412: }
1413: break;
1.94 markus 1414:
1415: case sClientAliveInterval:
1416: intptr = &options->client_alive_interval;
1417: goto parse_time;
1418:
1419: case sClientAliveCountMax:
1420: intptr = &options->client_alive_count_max;
1421: goto parse_int;
1.131 djm 1422:
1423: case sAcceptEnv:
1424: while ((arg = strdelim(&cp)) && *arg != '\0') {
1425: if (strchr(arg, '=') != NULL)
1426: fatal("%s line %d: Invalid environment name.",
1427: filename, linenum);
1428: if (options->num_accept_env >= MAX_ACCEPT_ENV)
1429: fatal("%s line %d: too many allow env.",
1430: filename, linenum);
1.153 dtucker 1431: if (!*activep)
1.227 markus 1432: continue;
1.131 djm 1433: options->accept_env[options->num_accept_env++] =
1434: xstrdup(arg);
1435: }
1436: break;
1.145 reyk 1437:
1438: case sPermitTunnel:
1439: intptr = &options->permit_tun;
1.146 reyk 1440: arg = strdelim(&cp);
1441: if (!arg || *arg == '\0')
1442: fatal("%s line %d: Missing yes/point-to-point/"
1443: "ethernet/no argument.", filename, linenum);
1.182 dtucker 1444: value = -1;
1445: for (i = 0; tunmode_desc[i].val != -1; i++)
1446: if (strcmp(tunmode_desc[i].text, arg) == 0) {
1447: value = tunmode_desc[i].val;
1448: break;
1449: }
1450: if (value == -1)
1.146 reyk 1451: fatal("%s line %d: Bad yes/point-to-point/ethernet/"
1452: "no argument: %s", filename, linenum, arg);
1453: if (*intptr == -1)
1454: *intptr = value;
1455: break;
1.94 markus 1456:
1.153 dtucker 1457: case sMatch:
1458: if (cmdline)
1459: fatal("Match directive not supported as a command-line "
1460: "option");
1.226 dtucker 1461: value = match_cfg_line(&cp, linenum, connectinfo);
1.153 dtucker 1462: if (value < 0)
1463: fatal("%s line %d: Bad Match condition", filename,
1464: linenum);
1465: *activep = value;
1.156 dtucker 1466: break;
1467:
1468: case sPermitOpen:
1469: arg = strdelim(&cp);
1470: if (!arg || *arg == '\0')
1471: fatal("%s line %d: missing PermitOpen specification",
1472: filename, linenum);
1.167 dtucker 1473: n = options->num_permitted_opens; /* modified later */
1.156 dtucker 1474: if (strcmp(arg, "any") == 0) {
1.167 dtucker 1475: if (*activep && n == -1) {
1.156 dtucker 1476: channel_clear_adm_permitted_opens();
1.159 dtucker 1477: options->num_permitted_opens = 0;
1.224 dtucker 1478: }
1479: break;
1480: }
1481: if (strcmp(arg, "none") == 0) {
1482: if (*activep && n == -1) {
1483: options->num_permitted_opens = 1;
1484: channel_disable_adm_local_opens();
1.159 dtucker 1485: }
1.156 dtucker 1486: break;
1487: }
1.166 dtucker 1488: if (*activep && n == -1)
1489: channel_clear_adm_permitted_opens();
1.159 dtucker 1490: for (; arg != NULL && *arg != '\0'; arg = strdelim(&cp)) {
1491: p = hpdelim(&arg);
1492: if (p == NULL)
1493: fatal("%s line %d: missing host in PermitOpen",
1494: filename, linenum);
1495: p = cleanhostname(p);
1.223 dtucker 1496: if (arg == NULL || ((port = permitopen_port(arg)) < 0))
1.159 dtucker 1497: fatal("%s line %d: bad port number in "
1498: "PermitOpen", filename, linenum);
1.166 dtucker 1499: if (*activep && n == -1)
1.159 dtucker 1500: options->num_permitted_opens =
1501: channel_add_adm_permitted_opens(p, port);
1502: }
1.153 dtucker 1503: break;
1504:
1.158 dtucker 1505: case sForceCommand:
1506: if (cp == NULL)
1507: fatal("%.200s line %d: Missing argument.", filename,
1508: linenum);
1509: len = strspn(cp, WHITESPACE);
1510: if (*activep && options->adm_forced_command == NULL)
1511: options->adm_forced_command = xstrdup(cp + len);
1512: return 0;
1513:
1.176 djm 1514: case sChrootDirectory:
1515: charptr = &options->chroot_directory;
1.177 djm 1516:
1517: arg = strdelim(&cp);
1518: if (!arg || *arg == '\0')
1519: fatal("%s line %d: missing file name.",
1520: filename, linenum);
1521: if (*activep && *charptr == NULL)
1522: *charptr = xstrdup(arg);
1523: break;
1.176 djm 1524:
1.204 djm 1525: case sTrustedUserCAKeys:
1526: charptr = &options->trusted_user_ca_keys;
1527: goto parse_filename;
1528:
1529: case sRevokedKeys:
1530: charptr = &options->revoked_keys_file;
1531: goto parse_filename;
1532:
1.213 djm 1533: case sIPQoS:
1534: arg = strdelim(&cp);
1535: if ((value = parse_ipqos(arg)) == -1)
1536: fatal("%s line %d: Bad IPQoS value: %s",
1537: filename, linenum, arg);
1538: arg = strdelim(&cp);
1539: if (arg == NULL)
1540: value2 = value;
1541: else if ((value2 = parse_ipqos(arg)) == -1)
1542: fatal("%s line %d: Bad IPQoS value: %s",
1543: filename, linenum, arg);
1544: if (*activep) {
1545: options->ip_qos_interactive = value;
1546: options->ip_qos_bulk = value2;
1547: }
1548: break;
1549:
1.225 djm 1550: case sVersionAddendum:
1551: if (cp == NULL)
1552: fatal("%.200s line %d: Missing argument.", filename,
1553: linenum);
1554: len = strspn(cp, WHITESPACE);
1555: if (*activep && options->version_addendum == NULL) {
1556: if (strcasecmp(cp + len, "none") == 0)
1557: options->version_addendum = xstrdup("");
1558: else if (strchr(cp + len, '\r') != NULL)
1559: fatal("%.200s line %d: Invalid argument",
1560: filename, linenum);
1561: else
1562: options->version_addendum = xstrdup(cp + len);
1563: }
1564: return 0;
1565:
1.231 djm 1566: case sAuthorizedKeysCommand:
1.255 ! jsg 1567: if (cp == NULL)
! 1568: fatal("%.200s line %d: Missing argument.", filename,
! 1569: linenum);
1.231 djm 1570: len = strspn(cp, WHITESPACE);
1571: if (*activep && options->authorized_keys_command == NULL) {
1572: if (cp[len] != '/' && strcasecmp(cp + len, "none") != 0)
1573: fatal("%.200s line %d: AuthorizedKeysCommand "
1574: "must be an absolute path",
1575: filename, linenum);
1576: options->authorized_keys_command = xstrdup(cp + len);
1577: }
1578: return 0;
1579:
1580: case sAuthorizedKeysCommandUser:
1581: charptr = &options->authorized_keys_command_user;
1582:
1583: arg = strdelim(&cp);
1.255 ! jsg 1584: if (!arg || *arg == '\0')
! 1585: fatal("%s line %d: missing AuthorizedKeysCommandUser "
! 1586: "argument.", filename, linenum);
1.231 djm 1587: if (*activep && *charptr == NULL)
1588: *charptr = xstrdup(arg);
1589: break;
1590:
1.232 djm 1591: case sAuthenticationMethods:
1592: if (*activep && options->num_auth_methods == 0) {
1593: while ((arg = strdelim(&cp)) && *arg != '\0') {
1594: if (options->num_auth_methods >=
1595: MAX_AUTH_METHODS)
1596: fatal("%s line %d: "
1597: "too many authentication methods.",
1598: filename, linenum);
1599: if (auth2_methods_valid(arg, 0) != 0)
1600: fatal("%s line %d: invalid "
1601: "authentication method list.",
1602: filename, linenum);
1603: options->auth_methods[
1604: options->num_auth_methods++] = xstrdup(arg);
1605: }
1606: }
1607: return 0;
1608:
1.251 millert 1609: case sStreamLocalBindMask:
1610: arg = strdelim(&cp);
1611: if (!arg || *arg == '\0')
1612: fatal("%s line %d: missing StreamLocalBindMask argument.",
1613: filename, linenum);
1614: /* Parse mode in octal format */
1615: value = strtol(arg, &p, 8);
1616: if (arg == p || value < 0 || value > 0777)
1617: fatal("%s line %d: Bad mask.", filename, linenum);
1618: options->fwd_opts.streamlocal_bind_mask = (mode_t)value;
1619: break;
1620:
1621: case sStreamLocalBindUnlink:
1622: intptr = &options->fwd_opts.streamlocal_bind_unlink;
1623: goto parse_flag;
1624:
1.94 markus 1625: case sDeprecated:
1.117 itojun 1626: logit("%s line %d: Deprecated option %s",
1.121 jakob 1627: filename, linenum, arg);
1628: while (arg)
1629: arg = strdelim(&cp);
1630: break;
1631:
1632: case sUnsupported:
1633: logit("%s line %d: Unsupported option %s",
1.94 markus 1634: filename, linenum, arg);
1635: while (arg)
1636: arg = strdelim(&cp);
1637: break;
1638:
1639: default:
1640: fatal("%s line %d: Missing handler for opcode %s (%d)",
1641: filename, linenum, arg, opcode);
1642: }
1643: if ((arg = strdelim(&cp)) != NULL && *arg != '\0')
1644: fatal("%s line %d: garbage at end of line; \"%.200s\".",
1645: filename, linenum, arg);
1646: return 0;
1647: }
1648:
1649: /* Reads the server configuration file. */
1.25 markus 1650:
1.94 markus 1651: void
1.134 djm 1652: load_server_config(const char *filename, Buffer *conf)
1.94 markus 1653: {
1.229 dtucker 1654: char line[4096], *cp;
1.94 markus 1655: FILE *f;
1.229 dtucker 1656: int lineno = 0;
1.81 stevesk 1657:
1.134 djm 1658: debug2("%s: filename %s", __func__, filename);
1659: if ((f = fopen(filename, "r")) == NULL) {
1.94 markus 1660: perror(filename);
1661: exit(1);
1662: }
1.134 djm 1663: buffer_clear(conf);
1664: while (fgets(line, sizeof(line), f)) {
1.229 dtucker 1665: lineno++;
1666: if (strlen(line) == sizeof(line) - 1)
1667: fatal("%s line %d too long", filename, lineno);
1.134 djm 1668: /*
1669: * Trim out comments and strip whitespace
1.135 deraadt 1670: * NB - preserve newlines, they are needed to reproduce
1.134 djm 1671: * line numbers later for error messages
1672: */
1673: if ((cp = strchr(line, '#')) != NULL)
1674: memcpy(cp, "\n", 2);
1675: cp = line + strspn(line, " \t\r");
1676:
1677: buffer_append(conf, cp, strlen(cp));
1678: }
1679: buffer_append(conf, "\0", 1);
1680: fclose(f);
1681: debug2("%s: done config len = %d", __func__, buffer_len(conf));
1682: }
1683:
1684: void
1.226 dtucker 1685: parse_server_match_config(ServerOptions *options,
1686: struct connection_info *connectinfo)
1.153 dtucker 1687: {
1688: ServerOptions mo;
1689:
1690: initialize_server_options(&mo);
1.226 dtucker 1691: parse_server_config(&mo, "reprocess config", &cfg, connectinfo);
1.168 dtucker 1692: copy_set_server_options(options, &mo, 0);
1.153 dtucker 1693: }
1694:
1.226 dtucker 1695: int parse_server_match_testspec(struct connection_info *ci, char *spec)
1696: {
1697: char *p;
1698:
1699: while ((p = strsep(&spec, ",")) && *p != '\0') {
1700: if (strncmp(p, "addr=", 5) == 0) {
1701: ci->address = xstrdup(p + 5);
1702: } else if (strncmp(p, "host=", 5) == 0) {
1703: ci->host = xstrdup(p + 5);
1704: } else if (strncmp(p, "user=", 5) == 0) {
1705: ci->user = xstrdup(p + 5);
1706: } else if (strncmp(p, "laddr=", 6) == 0) {
1707: ci->laddress = xstrdup(p + 6);
1708: } else if (strncmp(p, "lport=", 6) == 0) {
1709: ci->lport = a2port(p + 6);
1710: if (ci->lport == -1) {
1711: fprintf(stderr, "Invalid port '%s' in test mode"
1712: " specification %s\n", p+6, p);
1713: return -1;
1714: }
1715: } else {
1716: fprintf(stderr, "Invalid test mode specification %s\n",
1717: p);
1718: return -1;
1719: }
1720: }
1721: return 0;
1722: }
1723:
1724: /*
1725: * returns 1 for a complete spec, 0 for partial spec and -1 for an
1726: * empty spec.
1727: */
1728: int server_match_spec_complete(struct connection_info *ci)
1729: {
1730: if (ci->user && ci->host && ci->address)
1731: return 1; /* complete */
1732: if (!ci->user && !ci->host && !ci->address)
1733: return -1; /* empty */
1734: return 0; /* partial */
1735: }
1736:
1.168 dtucker 1737: /*
1738: * Copy any supported values that are set.
1739: *
1.195 jj 1740: * If the preauth flag is set, we do not bother copying the string or
1.168 dtucker 1741: * array values that are not used pre-authentication, because any that we
1742: * do use must be explictly sent in mm_getpwnamallow().
1743: */
1.153 dtucker 1744: void
1.168 dtucker 1745: copy_set_server_options(ServerOptions *dst, ServerOptions *src, int preauth)
1.153 dtucker 1746: {
1.247 djm 1747: #define M_CP_INTOPT(n) do {\
1748: if (src->n != -1) \
1749: dst->n = src->n; \
1750: } while (0)
1751:
1.168 dtucker 1752: M_CP_INTOPT(password_authentication);
1753: M_CP_INTOPT(gss_authentication);
1754: M_CP_INTOPT(rsa_authentication);
1755: M_CP_INTOPT(pubkey_authentication);
1756: M_CP_INTOPT(kerberos_authentication);
1757: M_CP_INTOPT(hostbased_authentication);
1.209 djm 1758: M_CP_INTOPT(hostbased_uses_name_from_packet_only);
1.168 dtucker 1759: M_CP_INTOPT(kbd_interactive_authentication);
1.175 dtucker 1760: M_CP_INTOPT(permit_root_login);
1.188 djm 1761: M_CP_INTOPT(permit_empty_passwd);
1.168 dtucker 1762:
1763: M_CP_INTOPT(allow_tcp_forwarding);
1.251 millert 1764: M_CP_INTOPT(allow_streamlocal_forwarding);
1.178 pyr 1765: M_CP_INTOPT(allow_agent_forwarding);
1.209 djm 1766: M_CP_INTOPT(permit_tun);
1.251 millert 1767: M_CP_INTOPT(fwd_opts.gateway_ports);
1.168 dtucker 1768: M_CP_INTOPT(x11_display_offset);
1769: M_CP_INTOPT(x11_forwarding);
1770: M_CP_INTOPT(x11_use_localhost);
1.244 djm 1771: M_CP_INTOPT(permit_tty);
1.250 djm 1772: M_CP_INTOPT(permit_user_rc);
1.180 djm 1773: M_CP_INTOPT(max_sessions);
1.184 dtucker 1774: M_CP_INTOPT(max_authtries);
1.213 djm 1775: M_CP_INTOPT(ip_qos_interactive);
1776: M_CP_INTOPT(ip_qos_bulk);
1.235 dtucker 1777: M_CP_INTOPT(rekey_limit);
1778: M_CP_INTOPT(rekey_interval);
1.247 djm 1779:
1780: /* M_CP_STROPT and M_CP_STRARRAYOPT should not appear before here */
1781: #define M_CP_STROPT(n) do {\
1782: if (src->n != NULL && dst->n != src->n) { \
1783: free(dst->n); \
1784: dst->n = src->n; \
1785: } \
1786: } while(0)
1787: #define M_CP_STRARRAYOPT(n, num_n) do {\
1788: if (src->num_n != 0) { \
1789: for (dst->num_n = 0; dst->num_n < src->num_n; dst->num_n++) \
1790: dst->n[dst->num_n] = xstrdup(src->n[dst->num_n]); \
1791: } \
1792: } while(0)
1.168 dtucker 1793:
1.218 djm 1794: /* See comment in servconf.h */
1795: COPY_MATCH_STRING_OPTS();
1.216 djm 1796:
1.217 dtucker 1797: /*
1798: * The only things that should be below this point are string options
1799: * which are only used after authentication.
1800: */
1.168 dtucker 1801: if (preauth)
1802: return;
1.219 djm 1803:
1.168 dtucker 1804: M_CP_STROPT(adm_forced_command);
1.176 djm 1805: M_CP_STROPT(chroot_directory);
1.153 dtucker 1806: }
1.168 dtucker 1807:
1808: #undef M_CP_INTOPT
1809: #undef M_CP_STROPT
1.219 djm 1810: #undef M_CP_STRARRAYOPT
1.153 dtucker 1811:
1812: void
1813: parse_server_config(ServerOptions *options, const char *filename, Buffer *conf,
1.226 dtucker 1814: struct connection_info *connectinfo)
1.134 djm 1815: {
1.153 dtucker 1816: int active, linenum, bad_options = 0;
1.136 dtucker 1817: char *cp, *obuf, *cbuf;
1.134 djm 1818:
1819: debug2("%s: config %s len %d", __func__, filename, buffer_len(conf));
1820:
1.136 dtucker 1821: obuf = cbuf = xstrdup(buffer_ptr(conf));
1.226 dtucker 1822: active = connectinfo ? 0 : 1;
1.137 dtucker 1823: linenum = 1;
1.140 deraadt 1824: while ((cp = strsep(&cbuf, "\n")) != NULL) {
1.134 djm 1825: if (process_server_config_line(options, cp, filename,
1.226 dtucker 1826: linenum++, &active, connectinfo) != 0)
1.94 markus 1827: bad_options++;
1.1 deraadt 1828: }
1.239 djm 1829: free(obuf);
1.78 stevesk 1830: if (bad_options > 0)
1831: fatal("%s: terminating, %d bad configuration options",
1832: filename, bad_options);
1.182 dtucker 1833: }
1834:
1835: static const char *
1.221 djm 1836: fmt_multistate_int(int val, const struct multistate *m)
1837: {
1838: u_int i;
1839:
1840: for (i = 0; m[i].key != NULL; i++) {
1841: if (m[i].value == val)
1842: return m[i].key;
1843: }
1844: return "UNKNOWN";
1845: }
1846:
1847: static const char *
1.182 dtucker 1848: fmt_intarg(ServerOpCodes code, int val)
1849: {
1.221 djm 1850: if (val == -1)
1851: return "unset";
1852: switch (code) {
1853: case sAddressFamily:
1854: return fmt_multistate_int(val, multistate_addressfamily);
1855: case sPermitRootLogin:
1856: return fmt_multistate_int(val, multistate_permitrootlogin);
1857: case sGatewayPorts:
1858: return fmt_multistate_int(val, multistate_gatewayports);
1859: case sCompression:
1860: return fmt_multistate_int(val, multistate_compression);
1.222 djm 1861: case sUsePrivilegeSeparation:
1862: return fmt_multistate_int(val, multistate_privsep);
1.233 djm 1863: case sAllowTcpForwarding:
1864: return fmt_multistate_int(val, multistate_tcpfwd);
1.251 millert 1865: case sAllowStreamLocalForwarding:
1866: return fmt_multistate_int(val, multistate_tcpfwd);
1.221 djm 1867: case sProtocol:
1.182 dtucker 1868: switch (val) {
1869: case SSH_PROTO_1:
1870: return "1";
1871: case SSH_PROTO_2:
1872: return "2";
1873: case (SSH_PROTO_1|SSH_PROTO_2):
1874: return "2,1";
1875: default:
1876: return "UNKNOWN";
1877: }
1.221 djm 1878: default:
1879: switch (val) {
1880: case 0:
1881: return "no";
1882: case 1:
1883: return "yes";
1884: default:
1885: return "UNKNOWN";
1886: }
1.182 dtucker 1887: }
1888: }
1889:
1890: static const char *
1891: lookup_opcode_name(ServerOpCodes code)
1892: {
1893: u_int i;
1894:
1895: for (i = 0; keywords[i].name != NULL; i++)
1896: if (keywords[i].opcode == code)
1897: return(keywords[i].name);
1898: return "UNKNOWN";
1899: }
1900:
1901: static void
1902: dump_cfg_int(ServerOpCodes code, int val)
1903: {
1904: printf("%s %d\n", lookup_opcode_name(code), val);
1905: }
1906:
1907: static void
1908: dump_cfg_fmtint(ServerOpCodes code, int val)
1909: {
1910: printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val));
1911: }
1912:
1913: static void
1914: dump_cfg_string(ServerOpCodes code, const char *val)
1915: {
1916: if (val == NULL)
1917: return;
1918: printf("%s %s\n", lookup_opcode_name(code), val);
1919: }
1920:
1921: static void
1922: dump_cfg_strarray(ServerOpCodes code, u_int count, char **vals)
1923: {
1924: u_int i;
1925:
1926: for (i = 0; i < count; i++)
1.219 djm 1927: printf("%s %s\n", lookup_opcode_name(code), vals[i]);
1928: }
1929:
1930: static void
1931: dump_cfg_strarray_oneline(ServerOpCodes code, u_int count, char **vals)
1932: {
1933: u_int i;
1934:
1935: printf("%s", lookup_opcode_name(code));
1936: for (i = 0; i < count; i++)
1937: printf(" %s", vals[i]);
1938: printf("\n");
1.182 dtucker 1939: }
1940:
1941: void
1942: dump_config(ServerOptions *o)
1943: {
1944: u_int i;
1945: int ret;
1946: struct addrinfo *ai;
1947: char addr[NI_MAXHOST], port[NI_MAXSERV], *s = NULL;
1948:
1949: /* these are usually at the top of the config */
1950: for (i = 0; i < o->num_ports; i++)
1951: printf("port %d\n", o->ports[i]);
1952: dump_cfg_fmtint(sProtocol, o->protocol);
1953: dump_cfg_fmtint(sAddressFamily, o->address_family);
1954:
1955: /* ListenAddress must be after Port */
1956: for (ai = o->listen_addrs; ai; ai = ai->ai_next) {
1957: if ((ret = getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1958: sizeof(addr), port, sizeof(port),
1959: NI_NUMERICHOST|NI_NUMERICSERV)) != 0) {
1960: error("getnameinfo failed: %.100s",
1961: (ret != EAI_SYSTEM) ? gai_strerror(ret) :
1962: strerror(errno));
1963: } else {
1964: if (ai->ai_family == AF_INET6)
1965: printf("listenaddress [%s]:%s\n", addr, port);
1966: else
1967: printf("listenaddress %s:%s\n", addr, port);
1968: }
1969: }
1970:
1971: /* integer arguments */
1972: dump_cfg_int(sServerKeyBits, o->server_key_bits);
1973: dump_cfg_int(sLoginGraceTime, o->login_grace_time);
1974: dump_cfg_int(sKeyRegenerationTime, o->key_regeneration_time);
1975: dump_cfg_int(sX11DisplayOffset, o->x11_display_offset);
1976: dump_cfg_int(sMaxAuthTries, o->max_authtries);
1.189 djm 1977: dump_cfg_int(sMaxSessions, o->max_sessions);
1.182 dtucker 1978: dump_cfg_int(sClientAliveInterval, o->client_alive_interval);
1979: dump_cfg_int(sClientAliveCountMax, o->client_alive_count_max);
1980:
1981: /* formatted integer arguments */
1982: dump_cfg_fmtint(sPermitRootLogin, o->permit_root_login);
1983: dump_cfg_fmtint(sIgnoreRhosts, o->ignore_rhosts);
1984: dump_cfg_fmtint(sIgnoreUserKnownHosts, o->ignore_user_known_hosts);
1985: dump_cfg_fmtint(sRhostsRSAAuthentication, o->rhosts_rsa_authentication);
1986: dump_cfg_fmtint(sHostbasedAuthentication, o->hostbased_authentication);
1987: dump_cfg_fmtint(sHostbasedUsesNameFromPacketOnly,
1988: o->hostbased_uses_name_from_packet_only);
1989: dump_cfg_fmtint(sRSAAuthentication, o->rsa_authentication);
1990: dump_cfg_fmtint(sPubkeyAuthentication, o->pubkey_authentication);
1.187 djm 1991: #ifdef KRB5
1.182 dtucker 1992: dump_cfg_fmtint(sKerberosAuthentication, o->kerberos_authentication);
1993: dump_cfg_fmtint(sKerberosOrLocalPasswd, o->kerberos_or_local_passwd);
1994: dump_cfg_fmtint(sKerberosTicketCleanup, o->kerberos_ticket_cleanup);
1995: dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token);
1.187 djm 1996: #endif
1997: #ifdef GSSAPI
1.182 dtucker 1998: dump_cfg_fmtint(sGssAuthentication, o->gss_authentication);
1999: dump_cfg_fmtint(sGssCleanupCreds, o->gss_cleanup_creds);
1.187 djm 2000: #endif
1.182 dtucker 2001: dump_cfg_fmtint(sPasswordAuthentication, o->password_authentication);
2002: dump_cfg_fmtint(sKbdInteractiveAuthentication,
2003: o->kbd_interactive_authentication);
2004: dump_cfg_fmtint(sChallengeResponseAuthentication,
2005: o->challenge_response_authentication);
2006: dump_cfg_fmtint(sPrintMotd, o->print_motd);
2007: dump_cfg_fmtint(sPrintLastLog, o->print_lastlog);
2008: dump_cfg_fmtint(sX11Forwarding, o->x11_forwarding);
2009: dump_cfg_fmtint(sX11UseLocalhost, o->x11_use_localhost);
1.244 djm 2010: dump_cfg_fmtint(sPermitTTY, o->permit_tty);
1.250 djm 2011: dump_cfg_fmtint(sPermitUserRC, o->permit_user_rc);
1.182 dtucker 2012: dump_cfg_fmtint(sStrictModes, o->strict_modes);
2013: dump_cfg_fmtint(sTCPKeepAlive, o->tcp_keep_alive);
2014: dump_cfg_fmtint(sEmptyPasswd, o->permit_empty_passwd);
2015: dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
2016: dump_cfg_fmtint(sUseLogin, o->use_login);
2017: dump_cfg_fmtint(sCompression, o->compression);
1.251 millert 2018: dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports);
1.182 dtucker 2019: dump_cfg_fmtint(sUseDNS, o->use_dns);
2020: dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding);
1.251 millert 2021: dump_cfg_fmtint(sAllowStreamLocalForwarding, o->allow_streamlocal_forwarding);
1.182 dtucker 2022: dump_cfg_fmtint(sUsePrivilegeSeparation, use_privsep);
2023:
2024: /* string arguments */
2025: dump_cfg_string(sPidFile, o->pid_file);
2026: dump_cfg_string(sXAuthLocation, o->xauth_location);
1.252 djm 2027: dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : KEX_SERVER_ENCRYPT);
2028: dump_cfg_string(sMacs, o->macs ? o->macs : KEX_SERVER_MAC);
1.182 dtucker 2029: dump_cfg_string(sBanner, o->banner);
2030: dump_cfg_string(sForceCommand, o->adm_forced_command);
1.201 dtucker 2031: dump_cfg_string(sChrootDirectory, o->chroot_directory);
1.204 djm 2032: dump_cfg_string(sTrustedUserCAKeys, o->trusted_user_ca_keys);
2033: dump_cfg_string(sRevokedKeys, o->revoked_keys_file);
1.208 djm 2034: dump_cfg_string(sAuthorizedPrincipalsFile,
2035: o->authorized_principals_file);
1.225 djm 2036: dump_cfg_string(sVersionAddendum, o->version_addendum);
1.231 djm 2037: dump_cfg_string(sAuthorizedKeysCommand, o->authorized_keys_command);
2038: dump_cfg_string(sAuthorizedKeysCommandUser, o->authorized_keys_command_user);
1.240 markus 2039: dump_cfg_string(sHostKeyAgent, o->host_key_agent);
1.252 djm 2040: dump_cfg_string(sKexAlgorithms,
1.253 djm 2041: o->kex_algorithms ? o->kex_algorithms : KEX_SERVER_KEX);
1.182 dtucker 2042:
2043: /* string arguments requiring a lookup */
2044: dump_cfg_string(sLogLevel, log_level_name(o->log_level));
2045: dump_cfg_string(sLogFacility, log_facility_name(o->log_facility));
2046:
2047: /* string array arguments */
1.219 djm 2048: dump_cfg_strarray_oneline(sAuthorizedKeysFile, o->num_authkeys_files,
2049: o->authorized_keys_files);
1.182 dtucker 2050: dump_cfg_strarray(sHostKeyFile, o->num_host_key_files,
2051: o->host_key_files);
1.203 djm 2052: dump_cfg_strarray(sHostKeyFile, o->num_host_cert_files,
2053: o->host_cert_files);
1.182 dtucker 2054: dump_cfg_strarray(sAllowUsers, o->num_allow_users, o->allow_users);
2055: dump_cfg_strarray(sDenyUsers, o->num_deny_users, o->deny_users);
2056: dump_cfg_strarray(sAllowGroups, o->num_allow_groups, o->allow_groups);
2057: dump_cfg_strarray(sDenyGroups, o->num_deny_groups, o->deny_groups);
2058: dump_cfg_strarray(sAcceptEnv, o->num_accept_env, o->accept_env);
1.232 djm 2059: dump_cfg_strarray_oneline(sAuthenticationMethods,
2060: o->num_auth_methods, o->auth_methods);
1.182 dtucker 2061:
2062: /* other arguments */
2063: for (i = 0; i < o->num_subsystems; i++)
2064: printf("subsystem %s %s\n", o->subsystem_name[i],
2065: o->subsystem_args[i]);
2066:
2067: printf("maxstartups %d:%d:%d\n", o->max_startups_begin,
2068: o->max_startups_rate, o->max_startups);
2069:
2070: for (i = 0; tunmode_desc[i].val != -1; i++)
2071: if (tunmode_desc[i].val == o->permit_tun) {
2072: s = tunmode_desc[i].text;
2073: break;
2074: }
2075: dump_cfg_string(sPermitTunnel, s);
1.213 djm 2076:
1.214 stevesk 2077: printf("ipqos %s ", iptos2str(o->ip_qos_interactive));
2078: printf("%s\n", iptos2str(o->ip_qos_bulk));
1.235 dtucker 2079:
1.241 djm 2080: printf("rekeylimit %lld %d\n", (long long)o->rekey_limit,
2081: o->rekey_interval);
1.182 dtucker 2082:
2083: channel_print_adm_permitted_opens();
1.1 deraadt 2084: }
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