Annotation of src/usr.bin/ssh/servconf.c, Revision 1.253
1.226 dtucker 1:
1.253 ! djm 2: /* $OpenBSD: servconf.c,v 1.252 2014/08/19 23:58:28 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>
1.154 stevesk 17:
1.213 djm 18: #include <netinet/in.h>
19: #include <netinet/in_systm.h>
20: #include <netinet/ip.h>
21:
1.235 dtucker 22: #include <ctype.h>
1.154 stevesk 23: #include <netdb.h>
1.165 dtucker 24: #include <pwd.h>
1.162 stevesk 25: #include <stdio.h>
1.161 stevesk 26: #include <stdlib.h>
1.160 stevesk 27: #include <string.h>
1.164 deraadt 28: #include <signal.h>
1.155 stevesk 29: #include <unistd.h>
1.164 deraadt 30: #include <stdarg.h>
1.182 dtucker 31: #include <errno.h>
1.236 dtucker 32: #include <util.h>
1.1 deraadt 33:
1.164 deraadt 34: #include "xmalloc.h"
1.1 deraadt 35: #include "ssh.h"
1.62 markus 36: #include "log.h"
1.164 deraadt 37: #include "buffer.h"
1.251 millert 38: #include "misc.h"
1.1 deraadt 39: #include "servconf.h"
1.33 markus 40: #include "compat.h"
1.60 markus 41: #include "pathnames.h"
1.62 markus 42: #include "cipher.h"
1.164 deraadt 43: #include "key.h"
1.66 markus 44: #include "kex.h"
45: #include "mac.h"
1.153 dtucker 46: #include "match.h"
1.156 dtucker 47: #include "channels.h"
1.165 dtucker 48: #include "groupaccess.h"
1.226 dtucker 49: #include "canohost.h"
50: #include "packet.h"
1.232 djm 51: #include "hostfile.h"
52: #include "auth.h"
1.252 djm 53: #include "myproposal.h"
1.1 deraadt 54:
1.194 djm 55: static void add_listen_addr(ServerOptions *, char *, int);
56: static void add_one_listen_addr(ServerOptions *, char *, int);
1.29 markus 57:
1.102 provos 58: /* Use of privilege separation or not */
59: extern int use_privsep;
1.153 dtucker 60: extern Buffer cfg;
1.62 markus 61:
1.1 deraadt 62: /* Initializes the server options to their default values. */
63:
1.34 markus 64: void
1.25 markus 65: initialize_server_options(ServerOptions *options)
1.1 deraadt 66: {
1.25 markus 67: memset(options, 0, sizeof(*options));
1.29 markus 68: options->num_ports = 0;
69: options->ports_from_cmdline = 0;
70: options->listen_addrs = NULL;
1.138 djm 71: options->address_family = -1;
1.54 markus 72: options->num_host_key_files = 0;
1.203 djm 73: options->num_host_cert_files = 0;
1.240 markus 74: options->host_key_agent = NULL;
1.36 markus 75: options->pid_file = NULL;
1.25 markus 76: options->server_key_bits = -1;
77: options->login_grace_time = -1;
78: options->key_regeneration_time = -1;
1.67 markus 79: options->permit_root_login = PERMIT_NOT_SET;
1.25 markus 80: options->ignore_rhosts = -1;
81: options->ignore_user_known_hosts = -1;
82: options->print_motd = -1;
1.72 stevesk 83: options->print_lastlog = -1;
1.25 markus 84: options->x11_forwarding = -1;
85: options->x11_display_offset = -1;
1.99 stevesk 86: options->x11_use_localhost = -1;
1.244 djm 87: options->permit_tty = -1;
1.250 djm 88: options->permit_user_rc = -1;
1.42 markus 89: options->xauth_location = NULL;
1.25 markus 90: options->strict_modes = -1;
1.129 markus 91: options->tcp_keep_alive = -1;
1.101 markus 92: options->log_facility = SYSLOG_FACILITY_NOT_SET;
93: options->log_level = SYSLOG_LEVEL_NOT_SET;
1.25 markus 94: options->rhosts_rsa_authentication = -1;
1.75 markus 95: options->hostbased_authentication = -1;
96: options->hostbased_uses_name_from_packet_only = -1;
1.25 markus 97: options->rsa_authentication = -1;
1.54 markus 98: options->pubkey_authentication = -1;
1.25 markus 99: options->kerberos_authentication = -1;
100: options->kerberos_or_local_passwd = -1;
101: options->kerberos_ticket_cleanup = -1;
1.130 jakob 102: options->kerberos_get_afs_token = -1;
1.125 markus 103: options->gss_authentication=-1;
104: options->gss_cleanup_creds = -1;
1.25 markus 105: options->password_authentication = -1;
1.52 markus 106: options->kbd_interactive_authentication = -1;
1.80 markus 107: options->challenge_response_authentication = -1;
1.25 markus 108: options->permit_empty_passwd = -1;
1.113 markus 109: options->permit_user_env = -1;
1.25 markus 110: options->use_login = -1;
1.111 markus 111: options->compression = -1;
1.235 dtucker 112: options->rekey_limit = -1;
113: options->rekey_interval = -1;
1.53 markus 114: options->allow_tcp_forwarding = -1;
1.251 millert 115: options->allow_streamlocal_forwarding = -1;
1.178 pyr 116: options->allow_agent_forwarding = -1;
1.25 markus 117: options->num_allow_users = 0;
118: options->num_deny_users = 0;
119: options->num_allow_groups = 0;
120: options->num_deny_groups = 0;
1.33 markus 121: options->ciphers = NULL;
1.66 markus 122: options->macs = NULL;
1.211 djm 123: options->kex_algorithms = NULL;
1.33 markus 124: options->protocol = SSH_PROTO_UNKNOWN;
1.251 millert 125: options->fwd_opts.gateway_ports = -1;
126: options->fwd_opts.streamlocal_bind_mask = (mode_t)-1;
127: options->fwd_opts.streamlocal_bind_unlink = -1;
1.43 jakob 128: options->num_subsystems = 0;
1.50 markus 129: options->max_startups_begin = -1;
130: options->max_startups_rate = -1;
1.46 markus 131: options->max_startups = -1;
1.133 dtucker 132: options->max_authtries = -1;
1.180 djm 133: options->max_sessions = -1;
1.57 markus 134: options->banner = NULL;
1.122 markus 135: options->use_dns = -1;
1.77 beck 136: options->client_alive_interval = -1;
137: options->client_alive_count_max = -1;
1.219 djm 138: options->num_authkeys_files = 0;
1.131 djm 139: options->num_accept_env = 0;
1.145 reyk 140: options->permit_tun = -1;
1.159 dtucker 141: options->num_permitted_opens = -1;
1.158 dtucker 142: options->adm_forced_command = NULL;
1.176 djm 143: options->chroot_directory = NULL;
1.231 djm 144: options->authorized_keys_command = NULL;
145: options->authorized_keys_command_user = NULL;
1.204 djm 146: options->revoked_keys_file = NULL;
147: options->trusted_user_ca_keys = NULL;
1.208 djm 148: options->authorized_principals_file = NULL;
1.213 djm 149: options->ip_qos_interactive = -1;
150: options->ip_qos_bulk = -1;
1.225 djm 151: options->version_addendum = NULL;
1.1 deraadt 152: }
153:
1.34 markus 154: void
1.25 markus 155: fill_default_server_options(ServerOptions *options)
1.1 deraadt 156: {
1.54 markus 157: if (options->protocol == SSH_PROTO_UNKNOWN)
1.196 markus 158: options->protocol = SSH_PROTO_2;
1.54 markus 159: if (options->num_host_key_files == 0) {
160: /* fill default hostkeys for protocols */
161: if (options->protocol & SSH_PROTO_1)
1.97 stevesk 162: options->host_key_files[options->num_host_key_files++] =
163: _PATH_HOST_KEY_FILE;
164: if (options->protocol & SSH_PROTO_2) {
165: options->host_key_files[options->num_host_key_files++] =
166: _PATH_HOST_RSA_KEY_FILE;
167: options->host_key_files[options->num_host_key_files++] =
168: _PATH_HOST_DSA_KEY_FILE;
1.210 naddy 169: options->host_key_files[options->num_host_key_files++] =
170: _PATH_HOST_ECDSA_KEY_FILE;
1.248 markus 171: options->host_key_files[options->num_host_key_files++] =
172: _PATH_HOST_ED25519_KEY_FILE;
1.97 stevesk 173: }
1.54 markus 174: }
1.203 djm 175: /* No certificates by default */
1.29 markus 176: if (options->num_ports == 0)
177: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
178: if (options->listen_addrs == NULL)
1.76 stevesk 179: add_listen_addr(options, NULL, 0);
1.36 markus 180: if (options->pid_file == NULL)
1.60 markus 181: options->pid_file = _PATH_SSH_DAEMON_PID_FILE;
1.25 markus 182: if (options->server_key_bits == -1)
1.185 djm 183: options->server_key_bits = 1024;
1.25 markus 184: if (options->login_grace_time == -1)
1.115 stevesk 185: options->login_grace_time = 120;
1.25 markus 186: if (options->key_regeneration_time == -1)
187: options->key_regeneration_time = 3600;
1.67 markus 188: if (options->permit_root_login == PERMIT_NOT_SET)
189: options->permit_root_login = PERMIT_YES;
1.25 markus 190: if (options->ignore_rhosts == -1)
1.30 markus 191: options->ignore_rhosts = 1;
1.25 markus 192: if (options->ignore_user_known_hosts == -1)
193: options->ignore_user_known_hosts = 0;
194: if (options->print_motd == -1)
195: options->print_motd = 1;
1.72 stevesk 196: if (options->print_lastlog == -1)
197: options->print_lastlog = 1;
1.25 markus 198: if (options->x11_forwarding == -1)
1.30 markus 199: options->x11_forwarding = 0;
1.25 markus 200: if (options->x11_display_offset == -1)
1.30 markus 201: options->x11_display_offset = 10;
1.99 stevesk 202: if (options->x11_use_localhost == -1)
203: options->x11_use_localhost = 1;
1.42 markus 204: if (options->xauth_location == NULL)
1.83 markus 205: options->xauth_location = _PATH_XAUTH;
1.244 djm 206: if (options->permit_tty == -1)
207: options->permit_tty = 1;
1.250 djm 208: if (options->permit_user_rc == -1)
209: options->permit_user_rc = 1;
1.25 markus 210: if (options->strict_modes == -1)
211: options->strict_modes = 1;
1.129 markus 212: if (options->tcp_keep_alive == -1)
213: options->tcp_keep_alive = 1;
1.101 markus 214: if (options->log_facility == SYSLOG_FACILITY_NOT_SET)
1.25 markus 215: options->log_facility = SYSLOG_FACILITY_AUTH;
1.101 markus 216: if (options->log_level == SYSLOG_LEVEL_NOT_SET)
1.58 markus 217: options->log_level = SYSLOG_LEVEL_INFO;
1.25 markus 218: if (options->rhosts_rsa_authentication == -1)
1.30 markus 219: options->rhosts_rsa_authentication = 0;
1.75 markus 220: if (options->hostbased_authentication == -1)
221: options->hostbased_authentication = 0;
222: if (options->hostbased_uses_name_from_packet_only == -1)
223: options->hostbased_uses_name_from_packet_only = 0;
1.25 markus 224: if (options->rsa_authentication == -1)
225: options->rsa_authentication = 1;
1.54 markus 226: if (options->pubkey_authentication == -1)
227: options->pubkey_authentication = 1;
1.25 markus 228: if (options->kerberos_authentication == -1)
1.107 markus 229: options->kerberos_authentication = 0;
1.25 markus 230: if (options->kerberos_or_local_passwd == -1)
231: options->kerberos_or_local_passwd = 1;
232: if (options->kerberos_ticket_cleanup == -1)
233: options->kerberos_ticket_cleanup = 1;
1.130 jakob 234: if (options->kerberos_get_afs_token == -1)
235: options->kerberos_get_afs_token = 0;
1.125 markus 236: if (options->gss_authentication == -1)
237: options->gss_authentication = 0;
238: if (options->gss_cleanup_creds == -1)
239: options->gss_cleanup_creds = 1;
1.25 markus 240: if (options->password_authentication == -1)
241: options->password_authentication = 1;
1.52 markus 242: if (options->kbd_interactive_authentication == -1)
243: options->kbd_interactive_authentication = 0;
1.80 markus 244: if (options->challenge_response_authentication == -1)
245: options->challenge_response_authentication = 1;
1.25 markus 246: if (options->permit_empty_passwd == -1)
1.30 markus 247: options->permit_empty_passwd = 0;
1.113 markus 248: if (options->permit_user_env == -1)
249: options->permit_user_env = 0;
1.25 markus 250: if (options->use_login == -1)
251: options->use_login = 0;
1.111 markus 252: if (options->compression == -1)
1.143 markus 253: options->compression = COMP_DELAYED;
1.235 dtucker 254: if (options->rekey_limit == -1)
255: options->rekey_limit = 0;
256: if (options->rekey_interval == -1)
257: options->rekey_interval = 0;
1.53 markus 258: if (options->allow_tcp_forwarding == -1)
1.233 djm 259: options->allow_tcp_forwarding = FORWARD_ALLOW;
1.251 millert 260: if (options->allow_streamlocal_forwarding == -1)
261: options->allow_streamlocal_forwarding = FORWARD_ALLOW;
1.178 pyr 262: if (options->allow_agent_forwarding == -1)
263: options->allow_agent_forwarding = 1;
1.251 millert 264: if (options->fwd_opts.gateway_ports == -1)
265: options->fwd_opts.gateway_ports = 0;
1.46 markus 266: if (options->max_startups == -1)
1.234 dtucker 267: options->max_startups = 100;
1.50 markus 268: if (options->max_startups_rate == -1)
1.234 dtucker 269: options->max_startups_rate = 30; /* 30% */
1.50 markus 270: if (options->max_startups_begin == -1)
1.234 dtucker 271: options->max_startups_begin = 10;
1.133 dtucker 272: if (options->max_authtries == -1)
273: options->max_authtries = DEFAULT_AUTH_FAIL_MAX;
1.180 djm 274: if (options->max_sessions == -1)
275: options->max_sessions = DEFAULT_SESSIONS_MAX;
1.122 markus 276: if (options->use_dns == -1)
277: options->use_dns = 1;
1.77 beck 278: if (options->client_alive_interval == -1)
1.95 deraadt 279: options->client_alive_interval = 0;
1.77 beck 280: if (options->client_alive_count_max == -1)
281: options->client_alive_count_max = 3;
1.219 djm 282: if (options->num_authkeys_files == 0) {
283: options->authorized_keys_files[options->num_authkeys_files++] =
284: xstrdup(_PATH_SSH_USER_PERMITTED_KEYS);
285: options->authorized_keys_files[options->num_authkeys_files++] =
286: xstrdup(_PATH_SSH_USER_PERMITTED_KEYS2);
287: }
1.145 reyk 288: if (options->permit_tun == -1)
1.146 reyk 289: options->permit_tun = SSH_TUNMODE_NO;
1.213 djm 290: if (options->ip_qos_interactive == -1)
291: options->ip_qos_interactive = IPTOS_LOWDELAY;
292: if (options->ip_qos_bulk == -1)
293: options->ip_qos_bulk = IPTOS_THROUGHPUT;
1.225 djm 294: if (options->version_addendum == NULL)
295: options->version_addendum = xstrdup("");
1.251 millert 296: if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
297: options->fwd_opts.streamlocal_bind_mask = 0177;
298: if (options->fwd_opts.streamlocal_bind_unlink == -1)
299: options->fwd_opts.streamlocal_bind_unlink = 0;
1.110 markus 300: /* Turn privilege separation on by default */
1.102 provos 301: if (use_privsep == -1)
1.228 djm 302: use_privsep = PRIVSEP_NOSANDBOX;
1.1 deraadt 303: }
304:
305: /* Keyword tokens. */
1.25 markus 306: typedef enum {
307: sBadOption, /* == unknown option */
308: sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
309: sPermitRootLogin, sLogFacility, sLogLevel,
1.124 markus 310: sRhostsRSAAuthentication, sRSAAuthentication,
1.25 markus 311: sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
1.130 jakob 312: sKerberosGetAFSToken,
1.123 markus 313: sKerberosTgtPassing, sChallengeResponseAuthentication,
1.138 djm 314: sPasswordAuthentication, sKbdInteractiveAuthentication,
315: sListenAddress, sAddressFamily,
1.72 stevesk 316: sPrintMotd, sPrintLastLog, sIgnoreRhosts,
1.99 stevesk 317: sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost,
1.244 djm 318: sPermitTTY, sStrictModes, sEmptyPasswd, sTCPKeepAlive,
1.113 markus 319: sPermitUserEnvironment, sUseLogin, sAllowTcpForwarding, sCompression,
1.235 dtucker 320: sRekeyLimit, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
1.66 markus 321: sIgnoreUserKnownHosts, sCiphers, sMacs, sProtocol, sPidFile,
1.133 dtucker 322: sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem,
1.180 djm 323: sMaxStartups, sMaxAuthTries, sMaxSessions,
1.122 markus 324: sBanner, sUseDNS, sHostbasedAuthentication,
1.95 deraadt 325: sHostbasedUsesNameFromPacketOnly, sClientAliveInterval,
1.219 djm 326: sClientAliveCountMax, sAuthorizedKeysFile,
1.145 reyk 327: sGssAuthentication, sGssCleanupCreds, sAcceptEnv, sPermitTunnel,
1.176 djm 328: sMatch, sPermitOpen, sForceCommand, sChrootDirectory,
1.200 dtucker 329: sUsePrivilegeSeparation, sAllowAgentForwarding,
1.249 djm 330: sHostCertificate,
1.208 djm 331: sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile,
1.225 djm 332: sKexAlgorithms, sIPQoS, sVersionAddendum,
1.231 djm 333: sAuthorizedKeysCommand, sAuthorizedKeysCommandUser,
1.250 djm 334: sAuthenticationMethods, sHostKeyAgent, sPermitUserRC,
1.251 millert 335: sStreamLocalBindMask, sStreamLocalBindUnlink,
336: sAllowStreamLocalForwarding,
1.121 jakob 337: sDeprecated, sUnsupported
1.1 deraadt 338: } ServerOpCodes;
339:
1.153 dtucker 340: #define SSHCFG_GLOBAL 0x01 /* allowed in main section of sshd_config */
341: #define SSHCFG_MATCH 0x02 /* allowed inside a Match section */
342: #define SSHCFG_ALL (SSHCFG_GLOBAL|SSHCFG_MATCH)
343:
1.1 deraadt 344: /* Textual representation of the tokens. */
1.25 markus 345: static struct {
346: const char *name;
347: ServerOpCodes opcode;
1.153 dtucker 348: u_int flags;
1.25 markus 349: } keywords[] = {
1.153 dtucker 350: { "port", sPort, SSHCFG_GLOBAL },
351: { "hostkey", sHostKeyFile, SSHCFG_GLOBAL },
352: { "hostdsakey", sHostKeyFile, SSHCFG_GLOBAL }, /* alias */
1.240 markus 353: { "hostkeyagent", sHostKeyAgent, SSHCFG_GLOBAL },
1.153 dtucker 354: { "pidfile", sPidFile, SSHCFG_GLOBAL },
355: { "serverkeybits", sServerKeyBits, SSHCFG_GLOBAL },
356: { "logingracetime", sLoginGraceTime, SSHCFG_GLOBAL },
357: { "keyregenerationinterval", sKeyRegenerationTime, SSHCFG_GLOBAL },
1.175 dtucker 358: { "permitrootlogin", sPermitRootLogin, SSHCFG_ALL },
1.153 dtucker 359: { "syslogfacility", sLogFacility, SSHCFG_GLOBAL },
360: { "loglevel", sLogLevel, SSHCFG_GLOBAL },
361: { "rhostsauthentication", sDeprecated, SSHCFG_GLOBAL },
1.168 dtucker 362: { "rhostsrsaauthentication", sRhostsRSAAuthentication, SSHCFG_ALL },
363: { "hostbasedauthentication", sHostbasedAuthentication, SSHCFG_ALL },
1.209 djm 364: { "hostbasedusesnamefrompacketonly", sHostbasedUsesNameFromPacketOnly, SSHCFG_ALL },
1.168 dtucker 365: { "rsaauthentication", sRSAAuthentication, SSHCFG_ALL },
366: { "pubkeyauthentication", sPubkeyAuthentication, SSHCFG_ALL },
1.153 dtucker 367: { "dsaauthentication", sPubkeyAuthentication, SSHCFG_GLOBAL }, /* alias */
1.123 markus 368: #ifdef KRB5
1.168 dtucker 369: { "kerberosauthentication", sKerberosAuthentication, SSHCFG_ALL },
1.153 dtucker 370: { "kerberosorlocalpasswd", sKerberosOrLocalPasswd, SSHCFG_GLOBAL },
371: { "kerberosticketcleanup", sKerberosTicketCleanup, SSHCFG_GLOBAL },
372: { "kerberosgetafstoken", sKerberosGetAFSToken, SSHCFG_GLOBAL },
1.121 jakob 373: #else
1.168 dtucker 374: { "kerberosauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 375: { "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL },
376: { "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL },
377: { "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
1.126 markus 378: #endif
1.153 dtucker 379: { "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL },
380: { "afstokenpassing", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 381: #ifdef GSSAPI
1.168 dtucker 382: { "gssapiauthentication", sGssAuthentication, SSHCFG_ALL },
1.153 dtucker 383: { "gssapicleanupcredentials", sGssCleanupCreds, SSHCFG_GLOBAL },
1.125 markus 384: #else
1.168 dtucker 385: { "gssapiauthentication", sUnsupported, SSHCFG_ALL },
1.153 dtucker 386: { "gssapicleanupcredentials", sUnsupported, SSHCFG_GLOBAL },
1.125 markus 387: #endif
1.168 dtucker 388: { "passwordauthentication", sPasswordAuthentication, SSHCFG_ALL },
389: { "kbdinteractiveauthentication", sKbdInteractiveAuthentication, SSHCFG_ALL },
1.170 dtucker 390: { "challengeresponseauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL },
1.153 dtucker 391: { "skeyauthentication", sChallengeResponseAuthentication, SSHCFG_GLOBAL }, /* alias */
392: { "checkmail", sDeprecated, SSHCFG_GLOBAL },
393: { "listenaddress", sListenAddress, SSHCFG_GLOBAL },
394: { "addressfamily", sAddressFamily, SSHCFG_GLOBAL },
395: { "printmotd", sPrintMotd, SSHCFG_GLOBAL },
396: { "printlastlog", sPrintLastLog, SSHCFG_GLOBAL },
397: { "ignorerhosts", sIgnoreRhosts, SSHCFG_GLOBAL },
398: { "ignoreuserknownhosts", sIgnoreUserKnownHosts, SSHCFG_GLOBAL },
1.157 dtucker 399: { "x11forwarding", sX11Forwarding, SSHCFG_ALL },
400: { "x11displayoffset", sX11DisplayOffset, SSHCFG_ALL },
401: { "x11uselocalhost", sX11UseLocalhost, SSHCFG_ALL },
1.153 dtucker 402: { "xauthlocation", sXAuthLocation, SSHCFG_GLOBAL },
403: { "strictmodes", sStrictModes, SSHCFG_GLOBAL },
1.188 djm 404: { "permitemptypasswords", sEmptyPasswd, SSHCFG_ALL },
1.153 dtucker 405: { "permituserenvironment", sPermitUserEnvironment, SSHCFG_GLOBAL },
406: { "uselogin", sUseLogin, SSHCFG_GLOBAL },
407: { "compression", sCompression, SSHCFG_GLOBAL },
1.235 dtucker 408: { "rekeylimit", sRekeyLimit, SSHCFG_ALL },
1.153 dtucker 409: { "tcpkeepalive", sTCPKeepAlive, SSHCFG_GLOBAL },
410: { "keepalive", sTCPKeepAlive, SSHCFG_GLOBAL }, /* obsolete alias */
411: { "allowtcpforwarding", sAllowTcpForwarding, SSHCFG_ALL },
1.178 pyr 412: { "allowagentforwarding", sAllowAgentForwarding, SSHCFG_ALL },
1.227 markus 413: { "allowusers", sAllowUsers, SSHCFG_ALL },
414: { "denyusers", sDenyUsers, SSHCFG_ALL },
415: { "allowgroups", sAllowGroups, SSHCFG_ALL },
416: { "denygroups", sDenyGroups, SSHCFG_ALL },
1.153 dtucker 417: { "ciphers", sCiphers, SSHCFG_GLOBAL },
418: { "macs", sMacs, SSHCFG_GLOBAL },
419: { "protocol", sProtocol, SSHCFG_GLOBAL },
420: { "gatewayports", sGatewayPorts, SSHCFG_ALL },
421: { "subsystem", sSubsystem, SSHCFG_GLOBAL },
422: { "maxstartups", sMaxStartups, SSHCFG_GLOBAL },
1.184 dtucker 423: { "maxauthtries", sMaxAuthTries, SSHCFG_ALL },
1.180 djm 424: { "maxsessions", sMaxSessions, SSHCFG_ALL },
1.168 dtucker 425: { "banner", sBanner, SSHCFG_ALL },
1.153 dtucker 426: { "usedns", sUseDNS, SSHCFG_GLOBAL },
427: { "verifyreversemapping", sDeprecated, SSHCFG_GLOBAL },
428: { "reversemappingcheck", sDeprecated, SSHCFG_GLOBAL },
429: { "clientaliveinterval", sClientAliveInterval, SSHCFG_GLOBAL },
430: { "clientalivecountmax", sClientAliveCountMax, SSHCFG_GLOBAL },
1.209 djm 431: { "authorizedkeysfile", sAuthorizedKeysFile, SSHCFG_ALL },
1.219 djm 432: { "authorizedkeysfile2", sDeprecated, SSHCFG_ALL },
1.153 dtucker 433: { "useprivilegeseparation", sUsePrivilegeSeparation, SSHCFG_GLOBAL},
1.227 markus 434: { "acceptenv", sAcceptEnv, SSHCFG_ALL },
1.209 djm 435: { "permittunnel", sPermitTunnel, SSHCFG_ALL },
1.244 djm 436: { "permittty", sPermitTTY, SSHCFG_ALL },
1.250 djm 437: { "permituserrc", sPermitUserRC, SSHCFG_ALL },
1.153 dtucker 438: { "match", sMatch, SSHCFG_ALL },
1.156 dtucker 439: { "permitopen", sPermitOpen, SSHCFG_ALL },
1.158 dtucker 440: { "forcecommand", sForceCommand, SSHCFG_ALL },
1.176 djm 441: { "chrootdirectory", sChrootDirectory, SSHCFG_ALL },
1.203 djm 442: { "hostcertificate", sHostCertificate, SSHCFG_GLOBAL },
1.204 djm 443: { "revokedkeys", sRevokedKeys, SSHCFG_ALL },
444: { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL },
1.209 djm 445: { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL },
1.211 djm 446: { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL },
1.213 djm 447: { "ipqos", sIPQoS, SSHCFG_ALL },
1.231 djm 448: { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL },
449: { "authorizedkeyscommanduser", sAuthorizedKeysCommandUser, SSHCFG_ALL },
1.225 djm 450: { "versionaddendum", sVersionAddendum, SSHCFG_GLOBAL },
1.232 djm 451: { "authenticationmethods", sAuthenticationMethods, SSHCFG_ALL },
1.251 millert 452: { "streamlocalbindmask", sStreamLocalBindMask, SSHCFG_ALL },
453: { "streamlocalbindunlink", sStreamLocalBindUnlink, SSHCFG_ALL },
454: { "allowstreamlocalforwarding", sAllowStreamLocalForwarding, SSHCFG_ALL },
1.153 dtucker 455: { NULL, sBadOption, 0 }
1.1 deraadt 456: };
457:
1.182 dtucker 458: static struct {
459: int val;
460: char *text;
461: } tunmode_desc[] = {
462: { SSH_TUNMODE_NO, "no" },
463: { SSH_TUNMODE_POINTOPOINT, "point-to-point" },
464: { SSH_TUNMODE_ETHERNET, "ethernet" },
465: { SSH_TUNMODE_YES, "yes" },
466: { -1, NULL }
467: };
468:
1.27 markus 469: /*
1.73 stevesk 470: * Returns the number of the token pointed to by cp or sBadOption.
1.27 markus 471: */
1.1 deraadt 472:
1.34 markus 473: static ServerOpCodes
1.25 markus 474: parse_token(const char *cp, const char *filename,
1.153 dtucker 475: int linenum, u_int *flags)
1.1 deraadt 476: {
1.55 markus 477: u_int i;
1.1 deraadt 478:
1.25 markus 479: for (i = 0; keywords[i].name; i++)
1.153 dtucker 480: if (strcasecmp(cp, keywords[i].name) == 0) {
481: *flags = keywords[i].flags;
1.25 markus 482: return keywords[i].opcode;
1.153 dtucker 483: }
1.25 markus 484:
1.78 stevesk 485: error("%s: line %d: Bad configuration option: %s",
486: filename, linenum, cp);
1.25 markus 487: return sBadOption;
1.1 deraadt 488: }
489:
1.202 djm 490: char *
491: derelativise_path(const char *path)
492: {
1.207 djm 493: char *expanded, *ret, cwd[MAXPATHLEN];
1.202 djm 494:
495: expanded = tilde_expand_filename(path, getuid());
496: if (*expanded == '/')
497: return expanded;
1.207 djm 498: if (getcwd(cwd, sizeof(cwd)) == NULL)
1.202 djm 499: fatal("%s: getcwd: %s", __func__, strerror(errno));
500: xasprintf(&ret, "%s/%s", cwd, expanded);
1.239 djm 501: free(expanded);
1.202 djm 502: return ret;
503: }
504:
1.84 itojun 505: static void
1.194 djm 506: add_listen_addr(ServerOptions *options, char *addr, int port)
1.74 stevesk 507: {
1.142 djm 508: u_int i;
1.74 stevesk 509:
510: if (options->num_ports == 0)
511: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
1.138 djm 512: if (options->address_family == -1)
513: options->address_family = AF_UNSPEC;
1.76 stevesk 514: if (port == 0)
1.74 stevesk 515: for (i = 0; i < options->num_ports; i++)
516: add_one_listen_addr(options, addr, options->ports[i]);
517: else
1.76 stevesk 518: add_one_listen_addr(options, addr, port);
1.74 stevesk 519: }
520:
1.84 itojun 521: static void
1.194 djm 522: add_one_listen_addr(ServerOptions *options, char *addr, int port)
1.29 markus 523: {
524: struct addrinfo hints, *ai, *aitop;
525: char strport[NI_MAXSERV];
526: int gaierr;
527:
1.74 stevesk 528: memset(&hints, 0, sizeof(hints));
1.138 djm 529: hints.ai_family = options->address_family;
1.74 stevesk 530: hints.ai_socktype = SOCK_STREAM;
531: hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
1.194 djm 532: snprintf(strport, sizeof strport, "%d", port);
1.74 stevesk 533: if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
534: fatal("bad addr or host: %s (%s)",
535: addr ? addr : "<NULL>",
1.173 dtucker 536: ssh_gai_strerror(gaierr));
1.74 stevesk 537: for (ai = aitop; ai->ai_next; ai = ai->ai_next)
538: ;
539: ai->ai_next = options->listen_addrs;
540: options->listen_addrs = aitop;
1.29 markus 541: }
542:
1.226 dtucker 543: struct connection_info *
544: get_connection_info(int populate, int use_dns)
545: {
546: static struct connection_info ci;
547:
548: if (!populate)
549: return &ci;
550: ci.host = get_canonical_hostname(use_dns);
551: ci.address = get_remote_ipaddr();
552: ci.laddress = get_local_ipaddr(packet_get_connection_in());
553: ci.lport = get_local_port();
554: return &ci;
555: }
556:
1.153 dtucker 557: /*
558: * The strategy for the Match blocks is that the config file is parsed twice.
559: *
560: * The first time is at startup. activep is initialized to 1 and the
561: * directives in the global context are processed and acted on. Hitting a
562: * Match directive unsets activep and the directives inside the block are
563: * checked for syntax only.
564: *
565: * The second time is after a connection has been established but before
566: * authentication. activep is initialized to 2 and global config directives
567: * are ignored since they have already been processed. If the criteria in a
568: * Match block is met, activep is set and the subsequent directives
569: * processed and actioned until EOF or another Match block unsets it. Any
570: * options set are copied into the main server config.
571: *
572: * Potential additions/improvements:
573: * - Add Match support for pre-kex directives, eg Protocol, Ciphers.
574: *
575: * - Add a Tag directive (idea from David Leonard) ala pf, eg:
576: * Match Address 192.168.0.*
577: * Tag trusted
578: * Match Group wheel
579: * Tag trusted
580: * Match Tag trusted
581: * AllowTcpForwarding yes
582: * GatewayPorts clientspecified
583: * [...]
584: *
585: * - Add a PermittedChannelRequests directive
586: * Match Group shell
587: * PermittedChannelRequests session,forwarded-tcpip
588: */
589:
590: static int
1.165 dtucker 591: match_cfg_line_group(const char *grps, int line, const char *user)
592: {
593: int result = 0;
594: struct passwd *pw;
595:
596: if (user == NULL)
597: goto out;
598:
599: if ((pw = getpwnam(user)) == NULL) {
600: debug("Can't match group at line %d because user %.100s does "
601: "not exist", line, user);
602: } else if (ga_init(pw->pw_name, pw->pw_gid) == 0) {
603: debug("Can't Match group because user %.100s not in any group "
604: "at line %d", user, line);
1.186 djm 605: } else if (ga_match_pattern_list(grps) != 1) {
606: debug("user %.100s does not match group list %.100s at line %d",
607: user, grps, line);
1.165 dtucker 608: } else {
1.186 djm 609: debug("user %.100s matched group list %.100s at line %d", user,
610: grps, line);
1.165 dtucker 611: result = 1;
612: }
613: out:
614: ga_free();
615: return result;
616: }
617:
1.226 dtucker 618: /*
1.230 dtucker 619: * All of the attributes on a single Match line are ANDed together, so we need
1.242 dtucker 620: * to check every attribute and set the result to zero if any attribute does
1.230 dtucker 621: * not match.
1.226 dtucker 622: */
1.165 dtucker 623: static int
1.226 dtucker 624: match_cfg_line(char **condition, int line, struct connection_info *ci)
1.153 dtucker 625: {
1.243 dtucker 626: int result = 1, attributes = 0, port;
1.153 dtucker 627: char *arg, *attrib, *cp = *condition;
628: size_t len;
629:
1.226 dtucker 630: if (ci == NULL)
1.153 dtucker 631: debug3("checking syntax for 'Match %s'", cp);
632: else
1.226 dtucker 633: debug3("checking match for '%s' user %s host %s addr %s "
634: "laddr %s lport %d", cp, ci->user ? ci->user : "(null)",
635: ci->host ? ci->host : "(null)",
636: ci->address ? ci->address : "(null)",
637: ci->laddress ? ci->laddress : "(null)", ci->lport);
1.153 dtucker 638:
639: while ((attrib = strdelim(&cp)) && *attrib != '\0') {
1.243 dtucker 640: attributes++;
641: if (strcasecmp(attrib, "all") == 0) {
642: if (attributes != 1 ||
643: ((arg = strdelim(&cp)) != NULL && *arg != '\0')) {
644: error("'all' cannot be combined with other "
645: "Match attributes");
646: return -1;
647: }
648: *condition = cp;
649: return 1;
650: }
1.153 dtucker 651: if ((arg = strdelim(&cp)) == NULL || *arg == '\0') {
652: error("Missing Match criteria for %s", attrib);
653: return -1;
654: }
655: len = strlen(arg);
656: if (strcasecmp(attrib, "user") == 0) {
1.226 dtucker 657: if (ci == NULL || ci->user == NULL) {
1.153 dtucker 658: result = 0;
659: continue;
660: }
1.226 dtucker 661: if (match_pattern_list(ci->user, arg, len, 0) != 1)
1.153 dtucker 662: result = 0;
663: else
664: debug("user %.100s matched 'User %.100s' at "
1.226 dtucker 665: "line %d", ci->user, arg, line);
1.165 dtucker 666: } else if (strcasecmp(attrib, "group") == 0) {
1.226 dtucker 667: if (ci == NULL || ci->user == NULL) {
668: result = 0;
669: continue;
670: }
671: switch (match_cfg_line_group(arg, line, ci->user)) {
1.165 dtucker 672: case -1:
673: return -1;
674: case 0:
675: result = 0;
676: }
1.153 dtucker 677: } else if (strcasecmp(attrib, "host") == 0) {
1.226 dtucker 678: if (ci == NULL || ci->host == NULL) {
1.153 dtucker 679: result = 0;
680: continue;
681: }
1.226 dtucker 682: if (match_hostname(ci->host, arg, len) != 1)
1.153 dtucker 683: result = 0;
684: else
685: debug("connection from %.100s matched 'Host "
1.226 dtucker 686: "%.100s' at line %d", ci->host, arg, line);
1.153 dtucker 687: } else if (strcasecmp(attrib, "address") == 0) {
1.226 dtucker 688: if (ci == NULL || ci->address == NULL) {
689: result = 0;
690: continue;
691: }
692: switch (addr_match_list(ci->address, arg)) {
1.181 djm 693: case 1:
694: debug("connection from %.100s matched 'Address "
1.226 dtucker 695: "%.100s' at line %d", ci->address, arg, line);
1.181 djm 696: break;
697: case 0:
1.183 djm 698: case -1:
1.153 dtucker 699: result = 0;
1.181 djm 700: break;
1.183 djm 701: case -2:
1.181 djm 702: return -1;
1.153 dtucker 703: }
1.226 dtucker 704: } else if (strcasecmp(attrib, "localaddress") == 0){
705: if (ci == NULL || ci->laddress == NULL) {
706: result = 0;
707: continue;
708: }
709: switch (addr_match_list(ci->laddress, arg)) {
710: case 1:
711: debug("connection from %.100s matched "
712: "'LocalAddress %.100s' at line %d",
713: ci->laddress, arg, line);
714: break;
715: case 0:
716: case -1:
717: result = 0;
718: break;
719: case -2:
720: return -1;
721: }
722: } else if (strcasecmp(attrib, "localport") == 0) {
723: if ((port = a2port(arg)) == -1) {
724: error("Invalid LocalPort '%s' on Match line",
725: arg);
726: return -1;
727: }
728: if (ci == NULL || ci->lport == 0) {
729: result = 0;
730: continue;
731: }
732: /* TODO support port lists */
733: if (port == ci->lport)
734: debug("connection from %.100s matched "
735: "'LocalPort %d' at line %d",
736: ci->laddress, port, line);
737: else
738: result = 0;
1.153 dtucker 739: } else {
740: error("Unsupported Match attribute %s", attrib);
741: return -1;
742: }
1.243 dtucker 743: }
744: if (attributes == 0) {
745: error("One or more attributes required for Match");
746: return -1;
1.153 dtucker 747: }
1.226 dtucker 748: if (ci != NULL)
1.153 dtucker 749: debug3("match %sfound", result ? "" : "not ");
750: *condition = cp;
751: return result;
752: }
753:
1.158 dtucker 754: #define WHITESPACE " \t\r\n"
755:
1.220 djm 756: /* Multistate option parsing */
757: struct multistate {
758: char *key;
759: int value;
760: };
761: static const struct multistate multistate_addressfamily[] = {
762: { "inet", AF_INET },
763: { "inet6", AF_INET6 },
764: { "any", AF_UNSPEC },
765: { NULL, -1 }
766: };
767: static const struct multistate multistate_permitrootlogin[] = {
768: { "without-password", PERMIT_NO_PASSWD },
769: { "forced-commands-only", PERMIT_FORCED_ONLY },
770: { "yes", PERMIT_YES },
771: { "no", PERMIT_NO },
772: { NULL, -1 }
773: };
774: static const struct multistate multistate_compression[] = {
775: { "delayed", COMP_DELAYED },
776: { "yes", COMP_ZLIB },
777: { "no", COMP_NONE },
778: { NULL, -1 }
779: };
780: static const struct multistate multistate_gatewayports[] = {
781: { "clientspecified", 2 },
782: { "yes", 1 },
783: { "no", 0 },
784: { NULL, -1 }
785: };
1.222 djm 786: static const struct multistate multistate_privsep[] = {
1.228 djm 787: { "yes", PRIVSEP_NOSANDBOX },
788: { "sandbox", PRIVSEP_ON },
789: { "nosandbox", PRIVSEP_NOSANDBOX },
1.222 djm 790: { "no", PRIVSEP_OFF },
791: { NULL, -1 }
792: };
1.233 djm 793: static const struct multistate multistate_tcpfwd[] = {
794: { "yes", FORWARD_ALLOW },
795: { "all", FORWARD_ALLOW },
796: { "no", FORWARD_DENY },
797: { "remote", FORWARD_REMOTE },
798: { "local", FORWARD_LOCAL },
799: { NULL, -1 }
800: };
1.220 djm 801:
1.94 markus 802: int
803: process_server_config_line(ServerOptions *options, char *line,
1.226 dtucker 804: const char *filename, int linenum, int *activep,
805: struct connection_info *connectinfo)
1.1 deraadt 806: {
1.238 dtucker 807: char *cp, **charptr, *arg, *p;
1.237 dtucker 808: int cmdline = 0, *intptr, value, value2, n, port;
1.174 dtucker 809: SyslogFacility *log_facility_ptr;
810: LogLevel *log_level_ptr;
1.25 markus 811: ServerOpCodes opcode;
1.153 dtucker 812: u_int i, flags = 0;
1.151 djm 813: size_t len;
1.237 dtucker 814: long long val64;
1.220 djm 815: const struct multistate *multistate_ptr;
1.25 markus 816:
1.94 markus 817: cp = line;
1.148 dtucker 818: if ((arg = strdelim(&cp)) == NULL)
1.147 djm 819: return 0;
1.94 markus 820: /* Ignore leading whitespace */
821: if (*arg == '\0')
822: arg = strdelim(&cp);
823: if (!arg || !*arg || *arg == '#')
824: return 0;
825: intptr = NULL;
826: charptr = NULL;
1.153 dtucker 827: opcode = parse_token(arg, filename, linenum, &flags);
828:
829: if (activep == NULL) { /* We are processing a command line directive */
830: cmdline = 1;
831: activep = &cmdline;
832: }
833: if (*activep && opcode != sMatch)
834: debug3("%s:%d setting %s %s", filename, linenum, arg, cp);
835: if (*activep == 0 && !(flags & SSHCFG_MATCH)) {
1.226 dtucker 836: if (connectinfo == NULL) {
1.153 dtucker 837: fatal("%s line %d: Directive '%s' is not allowed "
838: "within a Match block", filename, linenum, arg);
839: } else { /* this is a directive we have already processed */
840: while (arg)
841: arg = strdelim(&cp);
842: return 0;
843: }
844: }
845:
1.94 markus 846: switch (opcode) {
847: case sBadOption:
848: return -1;
849: case sPort:
850: /* ignore ports from configfile if cmdline specifies ports */
851: if (options->ports_from_cmdline)
852: return 0;
853: if (options->listen_addrs != NULL)
854: fatal("%s line %d: ports must be specified before "
1.98 stevesk 855: "ListenAddress.", filename, linenum);
1.94 markus 856: if (options->num_ports >= MAX_PORTS)
857: fatal("%s line %d: too many ports.",
858: filename, linenum);
1.48 provos 859: arg = strdelim(&cp);
1.94 markus 860: if (!arg || *arg == '\0')
861: fatal("%s line %d: missing port number.",
862: filename, linenum);
863: options->ports[options->num_ports++] = a2port(arg);
1.194 djm 864: if (options->ports[options->num_ports-1] <= 0)
1.94 markus 865: fatal("%s line %d: Badly formatted port number.",
866: filename, linenum);
867: break;
1.29 markus 868:
1.94 markus 869: case sServerKeyBits:
870: intptr = &options->server_key_bits;
1.180 djm 871: parse_int:
1.94 markus 872: arg = strdelim(&cp);
873: if (!arg || *arg == '\0')
874: fatal("%s line %d: missing integer value.",
875: filename, linenum);
876: value = atoi(arg);
1.153 dtucker 877: if (*activep && *intptr == -1)
1.94 markus 878: *intptr = value;
879: break;
1.25 markus 880:
1.94 markus 881: case sLoginGraceTime:
882: intptr = &options->login_grace_time;
1.180 djm 883: parse_time:
1.94 markus 884: arg = strdelim(&cp);
885: if (!arg || *arg == '\0')
886: fatal("%s line %d: missing time value.",
887: filename, linenum);
888: if ((value = convtime(arg)) == -1)
889: fatal("%s line %d: invalid time value.",
890: filename, linenum);
891: if (*intptr == -1)
892: *intptr = value;
893: break;
894:
895: case sKeyRegenerationTime:
896: intptr = &options->key_regeneration_time;
897: goto parse_time;
898:
899: case sListenAddress:
900: arg = strdelim(&cp);
1.139 djm 901: if (arg == NULL || *arg == '\0')
902: fatal("%s line %d: missing address",
1.94 markus 903: filename, linenum);
1.144 dtucker 904: /* check for bare IPv6 address: no "[]" and 2 or more ":" */
905: if (strchr(arg, '[') == NULL && (p = strchr(arg, ':')) != NULL
906: && strchr(p+1, ':') != NULL) {
907: add_listen_addr(options, arg, 0);
908: break;
909: }
1.139 djm 910: p = hpdelim(&arg);
911: if (p == NULL)
912: fatal("%s line %d: bad address:port usage",
913: filename, linenum);
914: p = cleanhostname(p);
915: if (arg == NULL)
916: port = 0;
1.194 djm 917: else if ((port = a2port(arg)) <= 0)
1.139 djm 918: fatal("%s line %d: bad port number", filename, linenum);
919:
920: add_listen_addr(options, p, port);
1.25 markus 921:
1.138 djm 922: break;
923:
924: case sAddressFamily:
1.220 djm 925: intptr = &options->address_family;
926: multistate_ptr = multistate_addressfamily;
927: if (options->listen_addrs != NULL)
928: fatal("%s line %d: address family must be specified "
929: "before ListenAddress.", filename, linenum);
930: parse_multistate:
1.138 djm 931: arg = strdelim(&cp);
1.141 markus 932: if (!arg || *arg == '\0')
1.220 djm 933: fatal("%s line %d: missing argument.",
1.141 markus 934: filename, linenum);
1.220 djm 935: value = -1;
936: for (i = 0; multistate_ptr[i].key != NULL; i++) {
937: if (strcasecmp(arg, multistate_ptr[i].key) == 0) {
938: value = multistate_ptr[i].value;
939: break;
940: }
941: }
942: if (value == -1)
943: fatal("%s line %d: unsupported option \"%s\".",
1.138 djm 944: filename, linenum, arg);
1.220 djm 945: if (*activep && *intptr == -1)
1.138 djm 946: *intptr = value;
1.94 markus 947: break;
948:
949: case sHostKeyFile:
950: intptr = &options->num_host_key_files;
951: if (*intptr >= MAX_HOSTKEYS)
952: fatal("%s line %d: too many host keys specified (max %d).",
953: filename, linenum, MAX_HOSTKEYS);
954: charptr = &options->host_key_files[*intptr];
1.180 djm 955: parse_filename:
1.94 markus 956: arg = strdelim(&cp);
957: if (!arg || *arg == '\0')
958: fatal("%s line %d: missing file name.",
959: filename, linenum);
1.153 dtucker 960: if (*activep && *charptr == NULL) {
1.202 djm 961: *charptr = derelativise_path(arg);
1.94 markus 962: /* increase optional counter */
963: if (intptr != NULL)
964: *intptr = *intptr + 1;
965: }
966: break;
1.76 stevesk 967:
1.240 markus 968: case sHostKeyAgent:
969: charptr = &options->host_key_agent;
970: arg = strdelim(&cp);
971: if (!arg || *arg == '\0')
972: fatal("%s line %d: missing socket name.",
973: filename, linenum);
974: if (*activep && *charptr == NULL)
975: *charptr = !strcmp(arg, SSH_AUTHSOCKET_ENV_NAME) ?
976: xstrdup(arg) : derelativise_path(arg);
977: break;
978:
1.203 djm 979: case sHostCertificate:
980: intptr = &options->num_host_cert_files;
981: if (*intptr >= MAX_HOSTKEYS)
982: fatal("%s line %d: too many host certificates "
983: "specified (max %d).", filename, linenum,
984: MAX_HOSTCERTS);
985: charptr = &options->host_cert_files[*intptr];
986: goto parse_filename;
987: break;
988:
1.94 markus 989: case sPidFile:
990: charptr = &options->pid_file;
991: goto parse_filename;
1.25 markus 992:
1.94 markus 993: case sPermitRootLogin:
994: intptr = &options->permit_root_login;
1.220 djm 995: multistate_ptr = multistate_permitrootlogin;
996: goto parse_multistate;
1.36 markus 997:
1.94 markus 998: case sIgnoreRhosts:
999: intptr = &options->ignore_rhosts;
1.180 djm 1000: parse_flag:
1.94 markus 1001: arg = strdelim(&cp);
1002: if (!arg || *arg == '\0')
1003: fatal("%s line %d: missing yes/no argument.",
1004: filename, linenum);
1005: value = 0; /* silence compiler */
1006: if (strcmp(arg, "yes") == 0)
1007: value = 1;
1008: else if (strcmp(arg, "no") == 0)
1009: value = 0;
1010: else
1011: fatal("%s line %d: Bad yes/no argument: %s",
1012: filename, linenum, arg);
1.153 dtucker 1013: if (*activep && *intptr == -1)
1.94 markus 1014: *intptr = value;
1015: break;
1016:
1017: case sIgnoreUserKnownHosts:
1018: intptr = &options->ignore_user_known_hosts;
1019: goto parse_flag;
1020:
1021: case sRhostsRSAAuthentication:
1022: intptr = &options->rhosts_rsa_authentication;
1023: goto parse_flag;
1024:
1025: case sHostbasedAuthentication:
1026: intptr = &options->hostbased_authentication;
1027: goto parse_flag;
1028:
1029: case sHostbasedUsesNameFromPacketOnly:
1030: intptr = &options->hostbased_uses_name_from_packet_only;
1031: goto parse_flag;
1032:
1033: case sRSAAuthentication:
1034: intptr = &options->rsa_authentication;
1035: goto parse_flag;
1036:
1037: case sPubkeyAuthentication:
1038: intptr = &options->pubkey_authentication;
1039: goto parse_flag;
1.119 jakob 1040:
1.94 markus 1041: case sKerberosAuthentication:
1042: intptr = &options->kerberos_authentication;
1043: goto parse_flag;
1044:
1045: case sKerberosOrLocalPasswd:
1046: intptr = &options->kerberos_or_local_passwd;
1047: goto parse_flag;
1048:
1049: case sKerberosTicketCleanup:
1050: intptr = &options->kerberos_ticket_cleanup;
1.130 jakob 1051: goto parse_flag;
1052:
1053: case sKerberosGetAFSToken:
1054: intptr = &options->kerberos_get_afs_token;
1.125 markus 1055: goto parse_flag;
1056:
1057: case sGssAuthentication:
1058: intptr = &options->gss_authentication;
1059: goto parse_flag;
1060:
1061: case sGssCleanupCreds:
1062: intptr = &options->gss_cleanup_creds;
1.94 markus 1063: goto parse_flag;
1064:
1065: case sPasswordAuthentication:
1066: intptr = &options->password_authentication;
1067: goto parse_flag;
1068:
1069: case sKbdInteractiveAuthentication:
1070: intptr = &options->kbd_interactive_authentication;
1071: goto parse_flag;
1072:
1073: case sChallengeResponseAuthentication:
1074: intptr = &options->challenge_response_authentication;
1075: goto parse_flag;
1076:
1077: case sPrintMotd:
1078: intptr = &options->print_motd;
1079: goto parse_flag;
1080:
1081: case sPrintLastLog:
1082: intptr = &options->print_lastlog;
1083: goto parse_flag;
1084:
1085: case sX11Forwarding:
1086: intptr = &options->x11_forwarding;
1087: goto parse_flag;
1088:
1089: case sX11DisplayOffset:
1090: intptr = &options->x11_display_offset;
1091: goto parse_int;
1.99 stevesk 1092:
1093: case sX11UseLocalhost:
1094: intptr = &options->x11_use_localhost;
1095: goto parse_flag;
1.94 markus 1096:
1097: case sXAuthLocation:
1098: charptr = &options->xauth_location;
1099: goto parse_filename;
1100:
1.244 djm 1101: case sPermitTTY:
1102: intptr = &options->permit_tty;
1103: goto parse_flag;
1104:
1.250 djm 1105: case sPermitUserRC:
1106: intptr = &options->permit_user_rc;
1107: goto parse_flag;
1108:
1.94 markus 1109: case sStrictModes:
1110: intptr = &options->strict_modes;
1111: goto parse_flag;
1112:
1.129 markus 1113: case sTCPKeepAlive:
1114: intptr = &options->tcp_keep_alive;
1.94 markus 1115: goto parse_flag;
1116:
1117: case sEmptyPasswd:
1118: intptr = &options->permit_empty_passwd;
1.113 markus 1119: goto parse_flag;
1120:
1121: case sPermitUserEnvironment:
1122: intptr = &options->permit_user_env;
1.94 markus 1123: goto parse_flag;
1124:
1125: case sUseLogin:
1126: intptr = &options->use_login;
1.111 markus 1127: goto parse_flag;
1128:
1129: case sCompression:
1130: intptr = &options->compression;
1.220 djm 1131: multistate_ptr = multistate_compression;
1132: goto parse_multistate;
1.94 markus 1133:
1.235 dtucker 1134: case sRekeyLimit:
1135: arg = strdelim(&cp);
1136: if (!arg || *arg == '\0')
1137: fatal("%.200s line %d: Missing argument.", filename,
1138: linenum);
1139: if (strcmp(arg, "default") == 0) {
1140: val64 = 0;
1141: } else {
1.236 dtucker 1142: if (scan_scaled(arg, &val64) == -1)
1143: fatal("%.200s line %d: Bad number '%s': %s",
1144: filename, linenum, arg, strerror(errno));
1145: /* check for too-large or too-small limits */
1146: if (val64 > UINT_MAX)
1.235 dtucker 1147: fatal("%.200s line %d: RekeyLimit too large",
1148: filename, linenum);
1149: if (val64 != 0 && val64 < 16)
1150: fatal("%.200s line %d: RekeyLimit too small",
1151: filename, linenum);
1152: }
1153: if (*activep && options->rekey_limit == -1)
1154: options->rekey_limit = (u_int32_t)val64;
1155: if (cp != NULL) { /* optional rekey interval present */
1156: if (strcmp(cp, "none") == 0) {
1157: (void)strdelim(&cp); /* discard */
1158: break;
1159: }
1160: intptr = &options->rekey_interval;
1161: goto parse_time;
1162: }
1163: break;
1164:
1.94 markus 1165: case sGatewayPorts:
1.251 millert 1166: intptr = &options->fwd_opts.gateway_ports;
1.220 djm 1167: multistate_ptr = multistate_gatewayports;
1168: goto parse_multistate;
1.25 markus 1169:
1.122 markus 1170: case sUseDNS:
1171: intptr = &options->use_dns;
1.94 markus 1172: goto parse_flag;
1.53 markus 1173:
1.94 markus 1174: case sLogFacility:
1.174 dtucker 1175: log_facility_ptr = &options->log_facility;
1.94 markus 1176: arg = strdelim(&cp);
1177: value = log_facility_number(arg);
1.101 markus 1178: if (value == SYSLOG_FACILITY_NOT_SET)
1.94 markus 1179: fatal("%.200s line %d: unsupported log facility '%s'",
1180: filename, linenum, arg ? arg : "<NONE>");
1.174 dtucker 1181: if (*log_facility_ptr == -1)
1182: *log_facility_ptr = (SyslogFacility) value;
1.94 markus 1183: break;
1.25 markus 1184:
1.94 markus 1185: case sLogLevel:
1.174 dtucker 1186: log_level_ptr = &options->log_level;
1.94 markus 1187: arg = strdelim(&cp);
1188: value = log_level_number(arg);
1.101 markus 1189: if (value == SYSLOG_LEVEL_NOT_SET)
1.94 markus 1190: fatal("%.200s line %d: unsupported log level '%s'",
1191: filename, linenum, arg ? arg : "<NONE>");
1.174 dtucker 1192: if (*log_level_ptr == -1)
1193: *log_level_ptr = (LogLevel) value;
1.94 markus 1194: break;
1195:
1196: case sAllowTcpForwarding:
1197: intptr = &options->allow_tcp_forwarding;
1.233 djm 1198: multistate_ptr = multistate_tcpfwd;
1199: goto parse_multistate;
1.102 provos 1200:
1.251 millert 1201: case sAllowStreamLocalForwarding:
1202: intptr = &options->allow_streamlocal_forwarding;
1203: multistate_ptr = multistate_tcpfwd;
1204: goto parse_multistate;
1205:
1.178 pyr 1206: case sAllowAgentForwarding:
1207: intptr = &options->allow_agent_forwarding;
1208: goto parse_flag;
1209:
1.102 provos 1210: case sUsePrivilegeSeparation:
1211: intptr = &use_privsep;
1.222 djm 1212: multistate_ptr = multistate_privsep;
1213: goto parse_multistate;
1.94 markus 1214:
1215: case sAllowUsers:
1216: while ((arg = strdelim(&cp)) && *arg != '\0') {
1217: if (options->num_allow_users >= MAX_ALLOW_USERS)
1218: fatal("%s line %d: too many allow users.",
1219: filename, linenum);
1.227 markus 1220: if (!*activep)
1221: continue;
1.112 deraadt 1222: options->allow_users[options->num_allow_users++] =
1223: xstrdup(arg);
1.94 markus 1224: }
1225: break;
1.25 markus 1226:
1.94 markus 1227: case sDenyUsers:
1228: while ((arg = strdelim(&cp)) && *arg != '\0') {
1229: if (options->num_deny_users >= MAX_DENY_USERS)
1.163 stevesk 1230: fatal("%s line %d: too many deny users.",
1.94 markus 1231: filename, linenum);
1.227 markus 1232: if (!*activep)
1233: continue;
1.112 deraadt 1234: options->deny_users[options->num_deny_users++] =
1235: xstrdup(arg);
1.94 markus 1236: }
1237: break;
1.25 markus 1238:
1.94 markus 1239: case sAllowGroups:
1240: while ((arg = strdelim(&cp)) && *arg != '\0') {
1241: if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
1242: fatal("%s line %d: too many allow groups.",
1243: filename, linenum);
1.227 markus 1244: if (!*activep)
1245: continue;
1.112 deraadt 1246: options->allow_groups[options->num_allow_groups++] =
1247: xstrdup(arg);
1.94 markus 1248: }
1249: break;
1.33 markus 1250:
1.94 markus 1251: case sDenyGroups:
1252: while ((arg = strdelim(&cp)) && *arg != '\0') {
1253: if (options->num_deny_groups >= MAX_DENY_GROUPS)
1254: fatal("%s line %d: too many deny groups.",
1255: filename, linenum);
1.227 markus 1256: if (!*activep)
1257: continue;
1258: options->deny_groups[options->num_deny_groups++] =
1259: xstrdup(arg);
1.94 markus 1260: }
1261: break;
1.66 markus 1262:
1.94 markus 1263: case sCiphers:
1264: arg = strdelim(&cp);
1265: if (!arg || *arg == '\0')
1266: fatal("%s line %d: Missing argument.", filename, linenum);
1267: if (!ciphers_valid(arg))
1268: fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
1269: filename, linenum, arg ? arg : "<NONE>");
1270: if (options->ciphers == NULL)
1271: options->ciphers = xstrdup(arg);
1272: break;
1.33 markus 1273:
1.94 markus 1274: case sMacs:
1275: arg = strdelim(&cp);
1276: if (!arg || *arg == '\0')
1277: fatal("%s line %d: Missing argument.", filename, linenum);
1278: if (!mac_valid(arg))
1279: fatal("%s line %d: Bad SSH2 mac spec '%s'.",
1280: filename, linenum, arg ? arg : "<NONE>");
1281: if (options->macs == NULL)
1282: options->macs = xstrdup(arg);
1.211 djm 1283: break;
1284:
1285: case sKexAlgorithms:
1286: arg = strdelim(&cp);
1287: if (!arg || *arg == '\0')
1288: fatal("%s line %d: Missing argument.",
1289: filename, linenum);
1290: if (!kex_names_valid(arg))
1291: fatal("%s line %d: Bad SSH2 KexAlgorithms '%s'.",
1292: filename, linenum, arg ? arg : "<NONE>");
1293: if (options->kex_algorithms == NULL)
1294: options->kex_algorithms = xstrdup(arg);
1.94 markus 1295: break;
1.43 jakob 1296:
1.94 markus 1297: case sProtocol:
1298: intptr = &options->protocol;
1299: arg = strdelim(&cp);
1300: if (!arg || *arg == '\0')
1301: fatal("%s line %d: Missing argument.", filename, linenum);
1302: value = proto_spec(arg);
1303: if (value == SSH_PROTO_UNKNOWN)
1304: fatal("%s line %d: Bad protocol spec '%s'.",
1.95 deraadt 1305: filename, linenum, arg ? arg : "<NONE>");
1.94 markus 1306: if (*intptr == SSH_PROTO_UNKNOWN)
1307: *intptr = value;
1308: break;
1309:
1310: case sSubsystem:
1311: if (options->num_subsystems >= MAX_SUBSYSTEMS) {
1312: fatal("%s line %d: too many subsystems defined.",
1.95 deraadt 1313: filename, linenum);
1.94 markus 1314: }
1315: arg = strdelim(&cp);
1316: if (!arg || *arg == '\0')
1317: fatal("%s line %d: Missing subsystem name.",
1.95 deraadt 1318: filename, linenum);
1.153 dtucker 1319: if (!*activep) {
1320: arg = strdelim(&cp);
1321: break;
1322: }
1.94 markus 1323: for (i = 0; i < options->num_subsystems; i++)
1324: if (strcmp(arg, options->subsystem_name[i]) == 0)
1325: fatal("%s line %d: Subsystem '%s' already defined.",
1.95 deraadt 1326: filename, linenum, arg);
1.94 markus 1327: options->subsystem_name[options->num_subsystems] = xstrdup(arg);
1328: arg = strdelim(&cp);
1329: if (!arg || *arg == '\0')
1330: fatal("%s line %d: Missing subsystem command.",
1.95 deraadt 1331: filename, linenum);
1.94 markus 1332: options->subsystem_command[options->num_subsystems] = xstrdup(arg);
1.151 djm 1333:
1334: /* Collect arguments (separate to executable) */
1335: p = xstrdup(arg);
1336: len = strlen(p) + 1;
1337: while ((arg = strdelim(&cp)) != NULL && *arg != '\0') {
1338: len += 1 + strlen(arg);
1339: p = xrealloc(p, 1, len);
1340: strlcat(p, " ", len);
1341: strlcat(p, arg, len);
1342: }
1343: options->subsystem_args[options->num_subsystems] = p;
1.94 markus 1344: options->num_subsystems++;
1345: break;
1.46 markus 1346:
1.94 markus 1347: case sMaxStartups:
1348: arg = strdelim(&cp);
1349: if (!arg || *arg == '\0')
1350: fatal("%s line %d: Missing MaxStartups spec.",
1.95 deraadt 1351: filename, linenum);
1.94 markus 1352: if ((n = sscanf(arg, "%d:%d:%d",
1353: &options->max_startups_begin,
1354: &options->max_startups_rate,
1355: &options->max_startups)) == 3) {
1356: if (options->max_startups_begin >
1357: options->max_startups ||
1358: options->max_startups_rate > 100 ||
1359: options->max_startups_rate < 1)
1.50 markus 1360: fatal("%s line %d: Illegal MaxStartups spec.",
1.87 stevesk 1361: filename, linenum);
1.94 markus 1362: } else if (n != 1)
1363: fatal("%s line %d: Illegal MaxStartups spec.",
1364: filename, linenum);
1365: else
1366: options->max_startups = options->max_startups_begin;
1367: break;
1.133 dtucker 1368:
1369: case sMaxAuthTries:
1370: intptr = &options->max_authtries;
1371: goto parse_int;
1.94 markus 1372:
1.180 djm 1373: case sMaxSessions:
1374: intptr = &options->max_sessions;
1375: goto parse_int;
1376:
1.94 markus 1377: case sBanner:
1378: charptr = &options->banner;
1379: goto parse_filename;
1.176 djm 1380:
1.94 markus 1381: /*
1382: * These options can contain %X options expanded at
1383: * connect time, so that you can specify paths like:
1384: *
1385: * AuthorizedKeysFile /etc/ssh_keys/%u
1386: */
1387: case sAuthorizedKeysFile:
1.219 djm 1388: if (*activep && options->num_authkeys_files == 0) {
1389: while ((arg = strdelim(&cp)) && *arg != '\0') {
1390: if (options->num_authkeys_files >=
1391: MAX_AUTHKEYS_FILES)
1392: fatal("%s line %d: "
1393: "too many authorized keys files.",
1394: filename, linenum);
1395: options->authorized_keys_files[
1396: options->num_authkeys_files++] =
1397: tilde_expand_filename(arg, getuid());
1398: }
1399: }
1400: return 0;
1401:
1.208 djm 1402: case sAuthorizedPrincipalsFile:
1403: charptr = &options->authorized_principals_file;
1.205 djm 1404: arg = strdelim(&cp);
1405: if (!arg || *arg == '\0')
1406: fatal("%s line %d: missing file name.",
1407: filename, linenum);
1408: if (*activep && *charptr == NULL) {
1.206 markus 1409: *charptr = tilde_expand_filename(arg, getuid());
1.205 djm 1410: /* increase optional counter */
1411: if (intptr != NULL)
1412: *intptr = *intptr + 1;
1413: }
1414: break;
1.94 markus 1415:
1416: case sClientAliveInterval:
1417: intptr = &options->client_alive_interval;
1418: goto parse_time;
1419:
1420: case sClientAliveCountMax:
1421: intptr = &options->client_alive_count_max;
1422: goto parse_int;
1.131 djm 1423:
1424: case sAcceptEnv:
1425: while ((arg = strdelim(&cp)) && *arg != '\0') {
1426: if (strchr(arg, '=') != NULL)
1427: fatal("%s line %d: Invalid environment name.",
1428: filename, linenum);
1429: if (options->num_accept_env >= MAX_ACCEPT_ENV)
1430: fatal("%s line %d: too many allow env.",
1431: filename, linenum);
1.153 dtucker 1432: if (!*activep)
1.227 markus 1433: continue;
1.131 djm 1434: options->accept_env[options->num_accept_env++] =
1435: xstrdup(arg);
1436: }
1437: break;
1.145 reyk 1438:
1439: case sPermitTunnel:
1440: intptr = &options->permit_tun;
1.146 reyk 1441: arg = strdelim(&cp);
1442: if (!arg || *arg == '\0')
1443: fatal("%s line %d: Missing yes/point-to-point/"
1444: "ethernet/no argument.", filename, linenum);
1.182 dtucker 1445: value = -1;
1446: for (i = 0; tunmode_desc[i].val != -1; i++)
1447: if (strcmp(tunmode_desc[i].text, arg) == 0) {
1448: value = tunmode_desc[i].val;
1449: break;
1450: }
1451: if (value == -1)
1.146 reyk 1452: fatal("%s line %d: Bad yes/point-to-point/ethernet/"
1453: "no argument: %s", filename, linenum, arg);
1454: if (*intptr == -1)
1455: *intptr = value;
1456: break;
1.94 markus 1457:
1.153 dtucker 1458: case sMatch:
1459: if (cmdline)
1460: fatal("Match directive not supported as a command-line "
1461: "option");
1.226 dtucker 1462: value = match_cfg_line(&cp, linenum, connectinfo);
1.153 dtucker 1463: if (value < 0)
1464: fatal("%s line %d: Bad Match condition", filename,
1465: linenum);
1466: *activep = value;
1.156 dtucker 1467: break;
1468:
1469: case sPermitOpen:
1470: arg = strdelim(&cp);
1471: if (!arg || *arg == '\0')
1472: fatal("%s line %d: missing PermitOpen specification",
1473: filename, linenum);
1.167 dtucker 1474: n = options->num_permitted_opens; /* modified later */
1.156 dtucker 1475: if (strcmp(arg, "any") == 0) {
1.167 dtucker 1476: if (*activep && n == -1) {
1.156 dtucker 1477: channel_clear_adm_permitted_opens();
1.159 dtucker 1478: options->num_permitted_opens = 0;
1.224 dtucker 1479: }
1480: break;
1481: }
1482: if (strcmp(arg, "none") == 0) {
1483: if (*activep && n == -1) {
1484: options->num_permitted_opens = 1;
1485: channel_disable_adm_local_opens();
1.159 dtucker 1486: }
1.156 dtucker 1487: break;
1488: }
1.166 dtucker 1489: if (*activep && n == -1)
1490: channel_clear_adm_permitted_opens();
1.159 dtucker 1491: for (; arg != NULL && *arg != '\0'; arg = strdelim(&cp)) {
1492: p = hpdelim(&arg);
1493: if (p == NULL)
1494: fatal("%s line %d: missing host in PermitOpen",
1495: filename, linenum);
1496: p = cleanhostname(p);
1.223 dtucker 1497: if (arg == NULL || ((port = permitopen_port(arg)) < 0))
1.159 dtucker 1498: fatal("%s line %d: bad port number in "
1499: "PermitOpen", filename, linenum);
1.166 dtucker 1500: if (*activep && n == -1)
1.159 dtucker 1501: options->num_permitted_opens =
1502: channel_add_adm_permitted_opens(p, port);
1503: }
1.153 dtucker 1504: break;
1505:
1.158 dtucker 1506: case sForceCommand:
1507: if (cp == NULL)
1508: fatal("%.200s line %d: Missing argument.", filename,
1509: linenum);
1510: len = strspn(cp, WHITESPACE);
1511: if (*activep && options->adm_forced_command == NULL)
1512: options->adm_forced_command = xstrdup(cp + len);
1513: return 0;
1514:
1.176 djm 1515: case sChrootDirectory:
1516: charptr = &options->chroot_directory;
1.177 djm 1517:
1518: arg = strdelim(&cp);
1519: if (!arg || *arg == '\0')
1520: fatal("%s line %d: missing file name.",
1521: filename, linenum);
1522: if (*activep && *charptr == NULL)
1523: *charptr = xstrdup(arg);
1524: break;
1.176 djm 1525:
1.204 djm 1526: case sTrustedUserCAKeys:
1527: charptr = &options->trusted_user_ca_keys;
1528: goto parse_filename;
1529:
1530: case sRevokedKeys:
1531: charptr = &options->revoked_keys_file;
1532: goto parse_filename;
1533:
1.213 djm 1534: case sIPQoS:
1535: arg = strdelim(&cp);
1536: if ((value = parse_ipqos(arg)) == -1)
1537: fatal("%s line %d: Bad IPQoS value: %s",
1538: filename, linenum, arg);
1539: arg = strdelim(&cp);
1540: if (arg == NULL)
1541: value2 = value;
1542: else if ((value2 = parse_ipqos(arg)) == -1)
1543: fatal("%s line %d: Bad IPQoS value: %s",
1544: filename, linenum, arg);
1545: if (*activep) {
1546: options->ip_qos_interactive = value;
1547: options->ip_qos_bulk = value2;
1548: }
1549: break;
1550:
1.225 djm 1551: case sVersionAddendum:
1552: if (cp == NULL)
1553: fatal("%.200s line %d: Missing argument.", filename,
1554: linenum);
1555: len = strspn(cp, WHITESPACE);
1556: if (*activep && options->version_addendum == NULL) {
1557: if (strcasecmp(cp + len, "none") == 0)
1558: options->version_addendum = xstrdup("");
1559: else if (strchr(cp + len, '\r') != NULL)
1560: fatal("%.200s line %d: Invalid argument",
1561: filename, linenum);
1562: else
1563: options->version_addendum = xstrdup(cp + len);
1564: }
1565: return 0;
1566:
1.231 djm 1567: case sAuthorizedKeysCommand:
1568: len = strspn(cp, WHITESPACE);
1569: if (*activep && options->authorized_keys_command == NULL) {
1570: if (cp[len] != '/' && strcasecmp(cp + len, "none") != 0)
1571: fatal("%.200s line %d: AuthorizedKeysCommand "
1572: "must be an absolute path",
1573: filename, linenum);
1574: options->authorized_keys_command = xstrdup(cp + len);
1575: }
1576: return 0;
1577:
1578: case sAuthorizedKeysCommandUser:
1579: charptr = &options->authorized_keys_command_user;
1580:
1581: arg = strdelim(&cp);
1582: if (*activep && *charptr == NULL)
1583: *charptr = xstrdup(arg);
1584: break;
1585:
1.232 djm 1586: case sAuthenticationMethods:
1587: if (*activep && options->num_auth_methods == 0) {
1588: while ((arg = strdelim(&cp)) && *arg != '\0') {
1589: if (options->num_auth_methods >=
1590: MAX_AUTH_METHODS)
1591: fatal("%s line %d: "
1592: "too many authentication methods.",
1593: filename, linenum);
1594: if (auth2_methods_valid(arg, 0) != 0)
1595: fatal("%s line %d: invalid "
1596: "authentication method list.",
1597: filename, linenum);
1598: options->auth_methods[
1599: options->num_auth_methods++] = xstrdup(arg);
1600: }
1601: }
1602: return 0;
1603:
1.251 millert 1604: case sStreamLocalBindMask:
1605: arg = strdelim(&cp);
1606: if (!arg || *arg == '\0')
1607: fatal("%s line %d: missing StreamLocalBindMask argument.",
1608: filename, linenum);
1609: /* Parse mode in octal format */
1610: value = strtol(arg, &p, 8);
1611: if (arg == p || value < 0 || value > 0777)
1612: fatal("%s line %d: Bad mask.", filename, linenum);
1613: options->fwd_opts.streamlocal_bind_mask = (mode_t)value;
1614: break;
1615:
1616: case sStreamLocalBindUnlink:
1617: intptr = &options->fwd_opts.streamlocal_bind_unlink;
1618: goto parse_flag;
1619:
1.94 markus 1620: case sDeprecated:
1.117 itojun 1621: logit("%s line %d: Deprecated option %s",
1.121 jakob 1622: filename, linenum, arg);
1623: while (arg)
1624: arg = strdelim(&cp);
1625: break;
1626:
1627: case sUnsupported:
1628: logit("%s line %d: Unsupported option %s",
1.94 markus 1629: filename, linenum, arg);
1630: while (arg)
1631: arg = strdelim(&cp);
1632: break;
1633:
1634: default:
1635: fatal("%s line %d: Missing handler for opcode %s (%d)",
1636: filename, linenum, arg, opcode);
1637: }
1638: if ((arg = strdelim(&cp)) != NULL && *arg != '\0')
1639: fatal("%s line %d: garbage at end of line; \"%.200s\".",
1640: filename, linenum, arg);
1641: return 0;
1642: }
1643:
1644: /* Reads the server configuration file. */
1.25 markus 1645:
1.94 markus 1646: void
1.134 djm 1647: load_server_config(const char *filename, Buffer *conf)
1.94 markus 1648: {
1.229 dtucker 1649: char line[4096], *cp;
1.94 markus 1650: FILE *f;
1.229 dtucker 1651: int lineno = 0;
1.81 stevesk 1652:
1.134 djm 1653: debug2("%s: filename %s", __func__, filename);
1654: if ((f = fopen(filename, "r")) == NULL) {
1.94 markus 1655: perror(filename);
1656: exit(1);
1657: }
1.134 djm 1658: buffer_clear(conf);
1659: while (fgets(line, sizeof(line), f)) {
1.229 dtucker 1660: lineno++;
1661: if (strlen(line) == sizeof(line) - 1)
1662: fatal("%s line %d too long", filename, lineno);
1.134 djm 1663: /*
1664: * Trim out comments and strip whitespace
1.135 deraadt 1665: * NB - preserve newlines, they are needed to reproduce
1.134 djm 1666: * line numbers later for error messages
1667: */
1668: if ((cp = strchr(line, '#')) != NULL)
1669: memcpy(cp, "\n", 2);
1670: cp = line + strspn(line, " \t\r");
1671:
1672: buffer_append(conf, cp, strlen(cp));
1673: }
1674: buffer_append(conf, "\0", 1);
1675: fclose(f);
1676: debug2("%s: done config len = %d", __func__, buffer_len(conf));
1677: }
1678:
1679: void
1.226 dtucker 1680: parse_server_match_config(ServerOptions *options,
1681: struct connection_info *connectinfo)
1.153 dtucker 1682: {
1683: ServerOptions mo;
1684:
1685: initialize_server_options(&mo);
1.226 dtucker 1686: parse_server_config(&mo, "reprocess config", &cfg, connectinfo);
1.168 dtucker 1687: copy_set_server_options(options, &mo, 0);
1.153 dtucker 1688: }
1689:
1.226 dtucker 1690: int parse_server_match_testspec(struct connection_info *ci, char *spec)
1691: {
1692: char *p;
1693:
1694: while ((p = strsep(&spec, ",")) && *p != '\0') {
1695: if (strncmp(p, "addr=", 5) == 0) {
1696: ci->address = xstrdup(p + 5);
1697: } else if (strncmp(p, "host=", 5) == 0) {
1698: ci->host = xstrdup(p + 5);
1699: } else if (strncmp(p, "user=", 5) == 0) {
1700: ci->user = xstrdup(p + 5);
1701: } else if (strncmp(p, "laddr=", 6) == 0) {
1702: ci->laddress = xstrdup(p + 6);
1703: } else if (strncmp(p, "lport=", 6) == 0) {
1704: ci->lport = a2port(p + 6);
1705: if (ci->lport == -1) {
1706: fprintf(stderr, "Invalid port '%s' in test mode"
1707: " specification %s\n", p+6, p);
1708: return -1;
1709: }
1710: } else {
1711: fprintf(stderr, "Invalid test mode specification %s\n",
1712: p);
1713: return -1;
1714: }
1715: }
1716: return 0;
1717: }
1718:
1719: /*
1720: * returns 1 for a complete spec, 0 for partial spec and -1 for an
1721: * empty spec.
1722: */
1723: int server_match_spec_complete(struct connection_info *ci)
1724: {
1725: if (ci->user && ci->host && ci->address)
1726: return 1; /* complete */
1727: if (!ci->user && !ci->host && !ci->address)
1728: return -1; /* empty */
1729: return 0; /* partial */
1730: }
1731:
1.168 dtucker 1732: /*
1733: * Copy any supported values that are set.
1734: *
1.195 jj 1735: * If the preauth flag is set, we do not bother copying the string or
1.168 dtucker 1736: * array values that are not used pre-authentication, because any that we
1737: * do use must be explictly sent in mm_getpwnamallow().
1738: */
1.153 dtucker 1739: void
1.168 dtucker 1740: copy_set_server_options(ServerOptions *dst, ServerOptions *src, int preauth)
1.153 dtucker 1741: {
1.247 djm 1742: #define M_CP_INTOPT(n) do {\
1743: if (src->n != -1) \
1744: dst->n = src->n; \
1745: } while (0)
1746:
1.168 dtucker 1747: M_CP_INTOPT(password_authentication);
1748: M_CP_INTOPT(gss_authentication);
1749: M_CP_INTOPT(rsa_authentication);
1750: M_CP_INTOPT(pubkey_authentication);
1751: M_CP_INTOPT(kerberos_authentication);
1752: M_CP_INTOPT(hostbased_authentication);
1.209 djm 1753: M_CP_INTOPT(hostbased_uses_name_from_packet_only);
1.168 dtucker 1754: M_CP_INTOPT(kbd_interactive_authentication);
1.175 dtucker 1755: M_CP_INTOPT(permit_root_login);
1.188 djm 1756: M_CP_INTOPT(permit_empty_passwd);
1.168 dtucker 1757:
1758: M_CP_INTOPT(allow_tcp_forwarding);
1.251 millert 1759: M_CP_INTOPT(allow_streamlocal_forwarding);
1.178 pyr 1760: M_CP_INTOPT(allow_agent_forwarding);
1.209 djm 1761: M_CP_INTOPT(permit_tun);
1.251 millert 1762: M_CP_INTOPT(fwd_opts.gateway_ports);
1.168 dtucker 1763: M_CP_INTOPT(x11_display_offset);
1764: M_CP_INTOPT(x11_forwarding);
1765: M_CP_INTOPT(x11_use_localhost);
1.244 djm 1766: M_CP_INTOPT(permit_tty);
1.250 djm 1767: M_CP_INTOPT(permit_user_rc);
1.180 djm 1768: M_CP_INTOPT(max_sessions);
1.184 dtucker 1769: M_CP_INTOPT(max_authtries);
1.213 djm 1770: M_CP_INTOPT(ip_qos_interactive);
1771: M_CP_INTOPT(ip_qos_bulk);
1.235 dtucker 1772: M_CP_INTOPT(rekey_limit);
1773: M_CP_INTOPT(rekey_interval);
1.247 djm 1774:
1775: /* M_CP_STROPT and M_CP_STRARRAYOPT should not appear before here */
1776: #define M_CP_STROPT(n) do {\
1777: if (src->n != NULL && dst->n != src->n) { \
1778: free(dst->n); \
1779: dst->n = src->n; \
1780: } \
1781: } while(0)
1782: #define M_CP_STRARRAYOPT(n, num_n) do {\
1783: if (src->num_n != 0) { \
1784: for (dst->num_n = 0; dst->num_n < src->num_n; dst->num_n++) \
1785: dst->n[dst->num_n] = xstrdup(src->n[dst->num_n]); \
1786: } \
1787: } while(0)
1.168 dtucker 1788:
1.218 djm 1789: /* See comment in servconf.h */
1790: COPY_MATCH_STRING_OPTS();
1.216 djm 1791:
1.217 dtucker 1792: /*
1793: * The only things that should be below this point are string options
1794: * which are only used after authentication.
1795: */
1.168 dtucker 1796: if (preauth)
1797: return;
1.219 djm 1798:
1.168 dtucker 1799: M_CP_STROPT(adm_forced_command);
1.176 djm 1800: M_CP_STROPT(chroot_directory);
1.153 dtucker 1801: }
1.168 dtucker 1802:
1803: #undef M_CP_INTOPT
1804: #undef M_CP_STROPT
1.219 djm 1805: #undef M_CP_STRARRAYOPT
1.153 dtucker 1806:
1807: void
1808: parse_server_config(ServerOptions *options, const char *filename, Buffer *conf,
1.226 dtucker 1809: struct connection_info *connectinfo)
1.134 djm 1810: {
1.153 dtucker 1811: int active, linenum, bad_options = 0;
1.136 dtucker 1812: char *cp, *obuf, *cbuf;
1.134 djm 1813:
1814: debug2("%s: config %s len %d", __func__, filename, buffer_len(conf));
1815:
1.136 dtucker 1816: obuf = cbuf = xstrdup(buffer_ptr(conf));
1.226 dtucker 1817: active = connectinfo ? 0 : 1;
1.137 dtucker 1818: linenum = 1;
1.140 deraadt 1819: while ((cp = strsep(&cbuf, "\n")) != NULL) {
1.134 djm 1820: if (process_server_config_line(options, cp, filename,
1.226 dtucker 1821: linenum++, &active, connectinfo) != 0)
1.94 markus 1822: bad_options++;
1.1 deraadt 1823: }
1.239 djm 1824: free(obuf);
1.78 stevesk 1825: if (bad_options > 0)
1826: fatal("%s: terminating, %d bad configuration options",
1827: filename, bad_options);
1.182 dtucker 1828: }
1829:
1830: static const char *
1.221 djm 1831: fmt_multistate_int(int val, const struct multistate *m)
1832: {
1833: u_int i;
1834:
1835: for (i = 0; m[i].key != NULL; i++) {
1836: if (m[i].value == val)
1837: return m[i].key;
1838: }
1839: return "UNKNOWN";
1840: }
1841:
1842: static const char *
1.182 dtucker 1843: fmt_intarg(ServerOpCodes code, int val)
1844: {
1.221 djm 1845: if (val == -1)
1846: return "unset";
1847: switch (code) {
1848: case sAddressFamily:
1849: return fmt_multistate_int(val, multistate_addressfamily);
1850: case sPermitRootLogin:
1851: return fmt_multistate_int(val, multistate_permitrootlogin);
1852: case sGatewayPorts:
1853: return fmt_multistate_int(val, multistate_gatewayports);
1854: case sCompression:
1855: return fmt_multistate_int(val, multistate_compression);
1.222 djm 1856: case sUsePrivilegeSeparation:
1857: return fmt_multistate_int(val, multistate_privsep);
1.233 djm 1858: case sAllowTcpForwarding:
1859: return fmt_multistate_int(val, multistate_tcpfwd);
1.251 millert 1860: case sAllowStreamLocalForwarding:
1861: return fmt_multistate_int(val, multistate_tcpfwd);
1.221 djm 1862: case sProtocol:
1.182 dtucker 1863: switch (val) {
1864: case SSH_PROTO_1:
1865: return "1";
1866: case SSH_PROTO_2:
1867: return "2";
1868: case (SSH_PROTO_1|SSH_PROTO_2):
1869: return "2,1";
1870: default:
1871: return "UNKNOWN";
1872: }
1.221 djm 1873: default:
1874: switch (val) {
1875: case 0:
1876: return "no";
1877: case 1:
1878: return "yes";
1879: default:
1880: return "UNKNOWN";
1881: }
1.182 dtucker 1882: }
1883: }
1884:
1885: static const char *
1886: lookup_opcode_name(ServerOpCodes code)
1887: {
1888: u_int i;
1889:
1890: for (i = 0; keywords[i].name != NULL; i++)
1891: if (keywords[i].opcode == code)
1892: return(keywords[i].name);
1893: return "UNKNOWN";
1894: }
1895:
1896: static void
1897: dump_cfg_int(ServerOpCodes code, int val)
1898: {
1899: printf("%s %d\n", lookup_opcode_name(code), val);
1900: }
1901:
1902: static void
1903: dump_cfg_fmtint(ServerOpCodes code, int val)
1904: {
1905: printf("%s %s\n", lookup_opcode_name(code), fmt_intarg(code, val));
1906: }
1907:
1908: static void
1909: dump_cfg_string(ServerOpCodes code, const char *val)
1910: {
1911: if (val == NULL)
1912: return;
1913: printf("%s %s\n", lookup_opcode_name(code), val);
1914: }
1915:
1916: static void
1917: dump_cfg_strarray(ServerOpCodes code, u_int count, char **vals)
1918: {
1919: u_int i;
1920:
1921: for (i = 0; i < count; i++)
1.219 djm 1922: printf("%s %s\n", lookup_opcode_name(code), vals[i]);
1923: }
1924:
1925: static void
1926: dump_cfg_strarray_oneline(ServerOpCodes code, u_int count, char **vals)
1927: {
1928: u_int i;
1929:
1930: printf("%s", lookup_opcode_name(code));
1931: for (i = 0; i < count; i++)
1932: printf(" %s", vals[i]);
1933: printf("\n");
1.182 dtucker 1934: }
1935:
1936: void
1937: dump_config(ServerOptions *o)
1938: {
1939: u_int i;
1940: int ret;
1941: struct addrinfo *ai;
1942: char addr[NI_MAXHOST], port[NI_MAXSERV], *s = NULL;
1943:
1944: /* these are usually at the top of the config */
1945: for (i = 0; i < o->num_ports; i++)
1946: printf("port %d\n", o->ports[i]);
1947: dump_cfg_fmtint(sProtocol, o->protocol);
1948: dump_cfg_fmtint(sAddressFamily, o->address_family);
1949:
1950: /* ListenAddress must be after Port */
1951: for (ai = o->listen_addrs; ai; ai = ai->ai_next) {
1952: if ((ret = getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1953: sizeof(addr), port, sizeof(port),
1954: NI_NUMERICHOST|NI_NUMERICSERV)) != 0) {
1955: error("getnameinfo failed: %.100s",
1956: (ret != EAI_SYSTEM) ? gai_strerror(ret) :
1957: strerror(errno));
1958: } else {
1959: if (ai->ai_family == AF_INET6)
1960: printf("listenaddress [%s]:%s\n", addr, port);
1961: else
1962: printf("listenaddress %s:%s\n", addr, port);
1963: }
1964: }
1965:
1966: /* integer arguments */
1967: dump_cfg_int(sServerKeyBits, o->server_key_bits);
1968: dump_cfg_int(sLoginGraceTime, o->login_grace_time);
1969: dump_cfg_int(sKeyRegenerationTime, o->key_regeneration_time);
1970: dump_cfg_int(sX11DisplayOffset, o->x11_display_offset);
1971: dump_cfg_int(sMaxAuthTries, o->max_authtries);
1.189 djm 1972: dump_cfg_int(sMaxSessions, o->max_sessions);
1.182 dtucker 1973: dump_cfg_int(sClientAliveInterval, o->client_alive_interval);
1974: dump_cfg_int(sClientAliveCountMax, o->client_alive_count_max);
1975:
1976: /* formatted integer arguments */
1977: dump_cfg_fmtint(sPermitRootLogin, o->permit_root_login);
1978: dump_cfg_fmtint(sIgnoreRhosts, o->ignore_rhosts);
1979: dump_cfg_fmtint(sIgnoreUserKnownHosts, o->ignore_user_known_hosts);
1980: dump_cfg_fmtint(sRhostsRSAAuthentication, o->rhosts_rsa_authentication);
1981: dump_cfg_fmtint(sHostbasedAuthentication, o->hostbased_authentication);
1982: dump_cfg_fmtint(sHostbasedUsesNameFromPacketOnly,
1983: o->hostbased_uses_name_from_packet_only);
1984: dump_cfg_fmtint(sRSAAuthentication, o->rsa_authentication);
1985: dump_cfg_fmtint(sPubkeyAuthentication, o->pubkey_authentication);
1.187 djm 1986: #ifdef KRB5
1.182 dtucker 1987: dump_cfg_fmtint(sKerberosAuthentication, o->kerberos_authentication);
1988: dump_cfg_fmtint(sKerberosOrLocalPasswd, o->kerberos_or_local_passwd);
1989: dump_cfg_fmtint(sKerberosTicketCleanup, o->kerberos_ticket_cleanup);
1990: dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token);
1.187 djm 1991: #endif
1992: #ifdef GSSAPI
1.182 dtucker 1993: dump_cfg_fmtint(sGssAuthentication, o->gss_authentication);
1994: dump_cfg_fmtint(sGssCleanupCreds, o->gss_cleanup_creds);
1.187 djm 1995: #endif
1.182 dtucker 1996: dump_cfg_fmtint(sPasswordAuthentication, o->password_authentication);
1997: dump_cfg_fmtint(sKbdInteractiveAuthentication,
1998: o->kbd_interactive_authentication);
1999: dump_cfg_fmtint(sChallengeResponseAuthentication,
2000: o->challenge_response_authentication);
2001: dump_cfg_fmtint(sPrintMotd, o->print_motd);
2002: dump_cfg_fmtint(sPrintLastLog, o->print_lastlog);
2003: dump_cfg_fmtint(sX11Forwarding, o->x11_forwarding);
2004: dump_cfg_fmtint(sX11UseLocalhost, o->x11_use_localhost);
1.244 djm 2005: dump_cfg_fmtint(sPermitTTY, o->permit_tty);
1.250 djm 2006: dump_cfg_fmtint(sPermitUserRC, o->permit_user_rc);
1.182 dtucker 2007: dump_cfg_fmtint(sStrictModes, o->strict_modes);
2008: dump_cfg_fmtint(sTCPKeepAlive, o->tcp_keep_alive);
2009: dump_cfg_fmtint(sEmptyPasswd, o->permit_empty_passwd);
2010: dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
2011: dump_cfg_fmtint(sUseLogin, o->use_login);
2012: dump_cfg_fmtint(sCompression, o->compression);
1.251 millert 2013: dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports);
1.182 dtucker 2014: dump_cfg_fmtint(sUseDNS, o->use_dns);
2015: dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding);
1.251 millert 2016: dump_cfg_fmtint(sAllowStreamLocalForwarding, o->allow_streamlocal_forwarding);
1.182 dtucker 2017: dump_cfg_fmtint(sUsePrivilegeSeparation, use_privsep);
2018:
2019: /* string arguments */
2020: dump_cfg_string(sPidFile, o->pid_file);
2021: dump_cfg_string(sXAuthLocation, o->xauth_location);
1.252 djm 2022: dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : KEX_SERVER_ENCRYPT);
2023: dump_cfg_string(sMacs, o->macs ? o->macs : KEX_SERVER_MAC);
1.182 dtucker 2024: dump_cfg_string(sBanner, o->banner);
2025: dump_cfg_string(sForceCommand, o->adm_forced_command);
1.201 dtucker 2026: dump_cfg_string(sChrootDirectory, o->chroot_directory);
1.204 djm 2027: dump_cfg_string(sTrustedUserCAKeys, o->trusted_user_ca_keys);
2028: dump_cfg_string(sRevokedKeys, o->revoked_keys_file);
1.208 djm 2029: dump_cfg_string(sAuthorizedPrincipalsFile,
2030: o->authorized_principals_file);
1.225 djm 2031: dump_cfg_string(sVersionAddendum, o->version_addendum);
1.231 djm 2032: dump_cfg_string(sAuthorizedKeysCommand, o->authorized_keys_command);
2033: dump_cfg_string(sAuthorizedKeysCommandUser, o->authorized_keys_command_user);
1.240 markus 2034: dump_cfg_string(sHostKeyAgent, o->host_key_agent);
1.252 djm 2035: dump_cfg_string(sKexAlgorithms,
1.253 ! djm 2036: o->kex_algorithms ? o->kex_algorithms : KEX_SERVER_KEX);
1.182 dtucker 2037:
2038: /* string arguments requiring a lookup */
2039: dump_cfg_string(sLogLevel, log_level_name(o->log_level));
2040: dump_cfg_string(sLogFacility, log_facility_name(o->log_facility));
2041:
2042: /* string array arguments */
1.219 djm 2043: dump_cfg_strarray_oneline(sAuthorizedKeysFile, o->num_authkeys_files,
2044: o->authorized_keys_files);
1.182 dtucker 2045: dump_cfg_strarray(sHostKeyFile, o->num_host_key_files,
2046: o->host_key_files);
1.203 djm 2047: dump_cfg_strarray(sHostKeyFile, o->num_host_cert_files,
2048: o->host_cert_files);
1.182 dtucker 2049: dump_cfg_strarray(sAllowUsers, o->num_allow_users, o->allow_users);
2050: dump_cfg_strarray(sDenyUsers, o->num_deny_users, o->deny_users);
2051: dump_cfg_strarray(sAllowGroups, o->num_allow_groups, o->allow_groups);
2052: dump_cfg_strarray(sDenyGroups, o->num_deny_groups, o->deny_groups);
2053: dump_cfg_strarray(sAcceptEnv, o->num_accept_env, o->accept_env);
1.232 djm 2054: dump_cfg_strarray_oneline(sAuthenticationMethods,
2055: o->num_auth_methods, o->auth_methods);
1.182 dtucker 2056:
2057: /* other arguments */
2058: for (i = 0; i < o->num_subsystems; i++)
2059: printf("subsystem %s %s\n", o->subsystem_name[i],
2060: o->subsystem_args[i]);
2061:
2062: printf("maxstartups %d:%d:%d\n", o->max_startups_begin,
2063: o->max_startups_rate, o->max_startups);
2064:
2065: for (i = 0; tunmode_desc[i].val != -1; i++)
2066: if (tunmode_desc[i].val == o->permit_tun) {
2067: s = tunmode_desc[i].text;
2068: break;
2069: }
2070: dump_cfg_string(sPermitTunnel, s);
1.213 djm 2071:
1.214 stevesk 2072: printf("ipqos %s ", iptos2str(o->ip_qos_interactive));
2073: printf("%s\n", iptos2str(o->ip_qos_bulk));
1.235 dtucker 2074:
1.241 djm 2075: printf("rekeylimit %lld %d\n", (long long)o->rekey_limit,
2076: o->rekey_interval);
1.182 dtucker 2077:
2078: channel_print_adm_permitted_opens();
1.1 deraadt 2079: }
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