Annotation of src/usr.bin/ssh/servconf.c, Revision 1.44
1.1 deraadt 1: /*
1.34 markus 2: *
1.26 deraadt 3: * servconf.c
1.34 markus 4: *
1.26 deraadt 5: * Author: Tatu Ylonen <ylo@cs.hut.fi>
1.34 markus 6: *
1.26 deraadt 7: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8: * All rights reserved
1.34 markus 9: *
1.26 deraadt 10: * Created: Mon Aug 21 15:48:58 1995 ylo
1.34 markus 11: *
1.26 deraadt 12: */
1.1 deraadt 13:
14: #include "includes.h"
1.44 ! deraadt 15: RCSID("$Id: servconf.c,v 1.43 2000/06/17 22:52:33 jakob Exp $");
1.1 deraadt 16:
17: #include "ssh.h"
18: #include "servconf.h"
19: #include "xmalloc.h"
1.33 markus 20: #include "compat.h"
1.1 deraadt 21:
1.29 markus 22: /* add listen address */
23: void add_listen_addr(ServerOptions *options, char *addr);
24:
1.1 deraadt 25: /* Initializes the server options to their default values. */
26:
1.34 markus 27: void
1.25 markus 28: initialize_server_options(ServerOptions *options)
1.1 deraadt 29: {
1.25 markus 30: memset(options, 0, sizeof(*options));
1.29 markus 31: options->num_ports = 0;
32: options->ports_from_cmdline = 0;
33: options->listen_addrs = NULL;
1.25 markus 34: options->host_key_file = NULL;
1.37 markus 35: options->host_dsa_key_file = NULL;
1.36 markus 36: options->pid_file = NULL;
1.25 markus 37: options->server_key_bits = -1;
38: options->login_grace_time = -1;
39: options->key_regeneration_time = -1;
40: options->permit_root_login = -1;
41: options->ignore_rhosts = -1;
42: options->ignore_user_known_hosts = -1;
43: options->print_motd = -1;
44: options->check_mail = -1;
45: options->x11_forwarding = -1;
46: options->x11_display_offset = -1;
1.42 markus 47: options->xauth_location = NULL;
1.25 markus 48: options->strict_modes = -1;
49: options->keepalives = -1;
50: options->log_facility = (SyslogFacility) - 1;
51: options->log_level = (LogLevel) - 1;
52: options->rhosts_authentication = -1;
53: options->rhosts_rsa_authentication = -1;
54: options->rsa_authentication = -1;
1.39 markus 55: options->dsa_authentication = -1;
1.1 deraadt 56: #ifdef KRB4
1.25 markus 57: options->kerberos_authentication = -1;
58: options->kerberos_or_local_passwd = -1;
59: options->kerberos_ticket_cleanup = -1;
1.1 deraadt 60: #endif
1.4 dugsong 61: #ifdef AFS
1.25 markus 62: options->kerberos_tgt_passing = -1;
63: options->afs_token_passing = -1;
1.1 deraadt 64: #endif
1.25 markus 65: options->password_authentication = -1;
1.10 markus 66: #ifdef SKEY
1.25 markus 67: options->skey_authentication = -1;
1.10 markus 68: #endif
1.25 markus 69: options->permit_empty_passwd = -1;
70: options->use_login = -1;
71: options->num_allow_users = 0;
72: options->num_deny_users = 0;
73: options->num_allow_groups = 0;
74: options->num_deny_groups = 0;
1.33 markus 75: options->ciphers = NULL;
76: options->protocol = SSH_PROTO_UNKNOWN;
1.38 markus 77: options->gateway_ports = -1;
1.43 jakob 78: options->num_subsystems = 0;
1.1 deraadt 79: }
80:
1.34 markus 81: void
1.25 markus 82: fill_default_server_options(ServerOptions *options)
1.1 deraadt 83: {
1.29 markus 84: if (options->num_ports == 0)
85: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
86: if (options->listen_addrs == NULL)
87: add_listen_addr(options, NULL);
1.25 markus 88: if (options->host_key_file == NULL)
89: options->host_key_file = HOST_KEY_FILE;
1.37 markus 90: if (options->host_dsa_key_file == NULL)
91: options->host_dsa_key_file = HOST_DSA_KEY_FILE;
1.36 markus 92: if (options->pid_file == NULL)
93: options->pid_file = SSH_DAEMON_PID_FILE;
1.25 markus 94: if (options->server_key_bits == -1)
95: options->server_key_bits = 768;
96: if (options->login_grace_time == -1)
97: options->login_grace_time = 600;
98: if (options->key_regeneration_time == -1)
99: options->key_regeneration_time = 3600;
100: if (options->permit_root_login == -1)
101: options->permit_root_login = 1; /* yes */
102: if (options->ignore_rhosts == -1)
1.30 markus 103: options->ignore_rhosts = 1;
1.25 markus 104: if (options->ignore_user_known_hosts == -1)
105: options->ignore_user_known_hosts = 0;
106: if (options->check_mail == -1)
107: options->check_mail = 0;
108: if (options->print_motd == -1)
109: options->print_motd = 1;
110: if (options->x11_forwarding == -1)
1.30 markus 111: options->x11_forwarding = 0;
1.25 markus 112: if (options->x11_display_offset == -1)
1.30 markus 113: options->x11_display_offset = 10;
1.42 markus 114: #ifdef XAUTH_PATH
115: if (options->xauth_location == NULL)
116: options->xauth_location = XAUTH_PATH;
117: #endif /* XAUTH_PATH */
1.25 markus 118: if (options->strict_modes == -1)
119: options->strict_modes = 1;
120: if (options->keepalives == -1)
121: options->keepalives = 1;
122: if (options->log_facility == (SyslogFacility) (-1))
123: options->log_facility = SYSLOG_FACILITY_AUTH;
124: if (options->log_level == (LogLevel) (-1))
125: options->log_level = SYSLOG_LEVEL_INFO;
126: if (options->rhosts_authentication == -1)
127: options->rhosts_authentication = 0;
128: if (options->rhosts_rsa_authentication == -1)
1.30 markus 129: options->rhosts_rsa_authentication = 0;
1.25 markus 130: if (options->rsa_authentication == -1)
131: options->rsa_authentication = 1;
1.39 markus 132: if (options->dsa_authentication == -1)
133: options->dsa_authentication = 1;
1.1 deraadt 134: #ifdef KRB4
1.25 markus 135: if (options->kerberos_authentication == -1)
136: options->kerberos_authentication = (access(KEYFILE, R_OK) == 0);
137: if (options->kerberos_or_local_passwd == -1)
138: options->kerberos_or_local_passwd = 1;
139: if (options->kerberos_ticket_cleanup == -1)
140: options->kerberos_ticket_cleanup = 1;
1.4 dugsong 141: #endif /* KRB4 */
142: #ifdef AFS
1.25 markus 143: if (options->kerberos_tgt_passing == -1)
144: options->kerberos_tgt_passing = 0;
145: if (options->afs_token_passing == -1)
146: options->afs_token_passing = k_hasafs();
1.4 dugsong 147: #endif /* AFS */
1.25 markus 148: if (options->password_authentication == -1)
149: options->password_authentication = 1;
1.10 markus 150: #ifdef SKEY
1.25 markus 151: if (options->skey_authentication == -1)
152: options->skey_authentication = 1;
1.10 markus 153: #endif
1.25 markus 154: if (options->permit_empty_passwd == -1)
1.30 markus 155: options->permit_empty_passwd = 0;
1.25 markus 156: if (options->use_login == -1)
157: options->use_login = 0;
1.33 markus 158: if (options->protocol == SSH_PROTO_UNKNOWN)
1.35 markus 159: options->protocol = SSH_PROTO_1|SSH_PROTO_2;
1.38 markus 160: if (options->gateway_ports == -1)
161: options->gateway_ports = 0;
1.1 deraadt 162: }
163:
1.44 ! deraadt 164: #define WHITESPACE " \t\r\n="
1.1 deraadt 165:
166: /* Keyword tokens. */
1.25 markus 167: typedef enum {
168: sBadOption, /* == unknown option */
169: sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
170: sPermitRootLogin, sLogFacility, sLogLevel,
171: sRhostsAuthentication, sRhostsRSAAuthentication, sRSAAuthentication,
1.1 deraadt 172: #ifdef KRB4
1.25 markus 173: sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
1.1 deraadt 174: #endif
175: #ifdef AFS
1.25 markus 176: sKerberosTgtPassing, sAFSTokenPassing,
1.1 deraadt 177: #endif
1.10 markus 178: #ifdef SKEY
1.25 markus 179: sSkeyAuthentication,
1.10 markus 180: #endif
1.25 markus 181: sPasswordAuthentication, sListenAddress,
182: sPrintMotd, sIgnoreRhosts, sX11Forwarding, sX11DisplayOffset,
183: sStrictModes, sEmptyPasswd, sRandomSeedFile, sKeepAlives, sCheckMail,
184: sUseLogin, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
1.38 markus 185: sIgnoreUserKnownHosts, sHostDSAKeyFile, sCiphers, sProtocol, sPidFile,
1.43 jakob 186: sGatewayPorts, sDSAAuthentication, sXAuthLocation, sSubsystem
1.1 deraadt 187: } ServerOpCodes;
188:
189: /* Textual representation of the tokens. */
1.25 markus 190: static struct {
191: const char *name;
192: ServerOpCodes opcode;
193: } keywords[] = {
194: { "port", sPort },
195: { "hostkey", sHostKeyFile },
1.37 markus 196: { "hostdsakey", sHostDSAKeyFile },
1.36 markus 197: { "pidfile", sPidFile },
1.25 markus 198: { "serverkeybits", sServerKeyBits },
199: { "logingracetime", sLoginGraceTime },
200: { "keyregenerationinterval", sKeyRegenerationTime },
201: { "permitrootlogin", sPermitRootLogin },
202: { "syslogfacility", sLogFacility },
203: { "loglevel", sLogLevel },
204: { "rhostsauthentication", sRhostsAuthentication },
205: { "rhostsrsaauthentication", sRhostsRSAAuthentication },
206: { "rsaauthentication", sRSAAuthentication },
1.39 markus 207: { "dsaauthentication", sDSAAuthentication },
1.1 deraadt 208: #ifdef KRB4
1.25 markus 209: { "kerberosauthentication", sKerberosAuthentication },
210: { "kerberosorlocalpasswd", sKerberosOrLocalPasswd },
211: { "kerberosticketcleanup", sKerberosTicketCleanup },
1.1 deraadt 212: #endif
1.4 dugsong 213: #ifdef AFS
1.25 markus 214: { "kerberostgtpassing", sKerberosTgtPassing },
215: { "afstokenpassing", sAFSTokenPassing },
1.1 deraadt 216: #endif
1.25 markus 217: { "passwordauthentication", sPasswordAuthentication },
1.10 markus 218: #ifdef SKEY
1.25 markus 219: { "skeyauthentication", sSkeyAuthentication },
1.10 markus 220: #endif
1.25 markus 221: { "checkmail", sCheckMail },
222: { "listenaddress", sListenAddress },
223: { "printmotd", sPrintMotd },
224: { "ignorerhosts", sIgnoreRhosts },
225: { "ignoreuserknownhosts", sIgnoreUserKnownHosts },
226: { "x11forwarding", sX11Forwarding },
227: { "x11displayoffset", sX11DisplayOffset },
1.42 markus 228: { "xauthlocation", sXAuthLocation },
1.25 markus 229: { "strictmodes", sStrictModes },
230: { "permitemptypasswords", sEmptyPasswd },
231: { "uselogin", sUseLogin },
232: { "randomseed", sRandomSeedFile },
233: { "keepalive", sKeepAlives },
234: { "allowusers", sAllowUsers },
235: { "denyusers", sDenyUsers },
236: { "allowgroups", sAllowGroups },
237: { "denygroups", sDenyGroups },
1.33 markus 238: { "ciphers", sCiphers },
239: { "protocol", sProtocol },
1.38 markus 240: { "gatewayports", sGatewayPorts },
1.43 jakob 241: { "subsystem", sSubsystem },
1.25 markus 242: { NULL, 0 }
1.1 deraadt 243: };
244:
1.27 markus 245: /*
246: * Returns the number of the token pointed to by cp of length len. Never
247: * returns if the token is not known.
248: */
1.1 deraadt 249:
1.34 markus 250: static ServerOpCodes
1.25 markus 251: parse_token(const char *cp, const char *filename,
252: int linenum)
1.1 deraadt 253: {
1.25 markus 254: unsigned int i;
1.1 deraadt 255:
1.25 markus 256: for (i = 0; keywords[i].name; i++)
1.28 markus 257: if (strcasecmp(cp, keywords[i].name) == 0)
1.25 markus 258: return keywords[i].opcode;
259:
260: fprintf(stderr, "%s: line %d: Bad configuration option: %s\n",
261: filename, linenum, cp);
262: return sBadOption;
1.1 deraadt 263: }
264:
1.29 markus 265: /*
266: * add listen address
267: */
1.34 markus 268: void
1.29 markus 269: add_listen_addr(ServerOptions *options, char *addr)
270: {
271: extern int IPv4or6;
272: struct addrinfo hints, *ai, *aitop;
273: char strport[NI_MAXSERV];
274: int gaierr;
275: int i;
276:
277: if (options->num_ports == 0)
278: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
279: for (i = 0; i < options->num_ports; i++) {
280: memset(&hints, 0, sizeof(hints));
281: hints.ai_family = IPv4or6;
282: hints.ai_socktype = SOCK_STREAM;
283: hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
284: snprintf(strport, sizeof strport, "%d", options->ports[i]);
285: if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
286: fatal("bad addr or host: %s (%s)\n",
287: addr ? addr : "<NULL>",
288: gai_strerror(gaierr));
289: for (ai = aitop; ai->ai_next; ai = ai->ai_next)
290: ;
291: ai->ai_next = options->listen_addrs;
292: options->listen_addrs = aitop;
293: }
294: }
295:
1.1 deraadt 296: /* Reads the server configuration file. */
297:
1.34 markus 298: void
1.25 markus 299: read_server_config(ServerOptions *options, const char *filename)
1.1 deraadt 300: {
1.25 markus 301: FILE *f;
302: char line[1024];
303: char *cp, **charptr;
304: int linenum, *intptr, value;
305: int bad_options = 0;
306: ServerOpCodes opcode;
1.43 jakob 307: int i;
1.25 markus 308:
309: f = fopen(filename, "r");
310: if (!f) {
311: perror(filename);
1.1 deraadt 312: exit(1);
1.25 markus 313: }
314: linenum = 0;
315: while (fgets(line, sizeof(line), f)) {
316: linenum++;
317: cp = line + strspn(line, WHITESPACE);
318: if (!*cp || *cp == '#')
319: continue;
320: cp = strtok(cp, WHITESPACE);
321: opcode = parse_token(cp, filename, linenum);
322: switch (opcode) {
323: case sBadOption:
324: bad_options++;
325: continue;
326: case sPort:
1.29 markus 327: /* ignore ports from configfile if cmdline specifies ports */
328: if (options->ports_from_cmdline)
329: continue;
330: if (options->listen_addrs != NULL)
331: fatal("%s line %d: ports must be specified before "
332: "ListenAdress.\n", filename, linenum);
333: if (options->num_ports >= MAX_PORTS)
334: fatal("%s line %d: too many ports.\n",
1.34 markus 335: filename, linenum);
1.29 markus 336: cp = strtok(NULL, WHITESPACE);
337: if (!cp)
338: fatal("%s line %d: missing port number.\n",
339: filename, linenum);
340: options->ports[options->num_ports++] = atoi(cp);
341: break;
342:
343: case sServerKeyBits:
344: intptr = &options->server_key_bits;
1.25 markus 345: parse_int:
346: cp = strtok(NULL, WHITESPACE);
347: if (!cp) {
348: fprintf(stderr, "%s line %d: missing integer value.\n",
349: filename, linenum);
350: exit(1);
351: }
352: value = atoi(cp);
353: if (*intptr == -1)
354: *intptr = value;
355: break;
356:
357: case sLoginGraceTime:
358: intptr = &options->login_grace_time;
359: goto parse_int;
360:
361: case sKeyRegenerationTime:
362: intptr = &options->key_regeneration_time;
363: goto parse_int;
364:
365: case sListenAddress:
366: cp = strtok(NULL, WHITESPACE);
1.29 markus 367: if (!cp)
368: fatal("%s line %d: missing inet addr.\n",
369: filename, linenum);
370: add_listen_addr(options, cp);
1.25 markus 371: break;
372:
373: case sHostKeyFile:
1.37 markus 374: case sHostDSAKeyFile:
1.32 markus 375: charptr = (opcode == sHostKeyFile ) ?
1.37 markus 376: &options->host_key_file : &options->host_dsa_key_file;
1.42 markus 377: parse_filename:
1.25 markus 378: cp = strtok(NULL, WHITESPACE);
379: if (!cp) {
380: fprintf(stderr, "%s line %d: missing file name.\n",
1.36 markus 381: filename, linenum);
382: exit(1);
383: }
384: if (*charptr == NULL)
385: *charptr = tilde_expand_filename(cp, getuid());
386: break;
387:
388: case sPidFile:
389: charptr = &options->pid_file;
1.42 markus 390: goto parse_filename;
1.25 markus 391:
392: case sRandomSeedFile:
393: fprintf(stderr, "%s line %d: \"randomseed\" option is obsolete.\n",
394: filename, linenum);
395: cp = strtok(NULL, WHITESPACE);
396: break;
397:
398: case sPermitRootLogin:
399: intptr = &options->permit_root_login;
400: cp = strtok(NULL, WHITESPACE);
401: if (!cp) {
402: fprintf(stderr, "%s line %d: missing yes/without-password/no argument.\n",
403: filename, linenum);
404: exit(1);
405: }
406: if (strcmp(cp, "without-password") == 0)
407: value = 2;
408: else if (strcmp(cp, "yes") == 0)
409: value = 1;
410: else if (strcmp(cp, "no") == 0)
411: value = 0;
412: else {
413: fprintf(stderr, "%s line %d: Bad yes/without-password/no argument: %s\n",
414: filename, linenum, cp);
415: exit(1);
416: }
417: if (*intptr == -1)
418: *intptr = value;
419: break;
420:
421: case sIgnoreRhosts:
422: intptr = &options->ignore_rhosts;
423: parse_flag:
424: cp = strtok(NULL, WHITESPACE);
425: if (!cp) {
426: fprintf(stderr, "%s line %d: missing yes/no argument.\n",
427: filename, linenum);
428: exit(1);
429: }
430: if (strcmp(cp, "yes") == 0)
431: value = 1;
432: else if (strcmp(cp, "no") == 0)
433: value = 0;
434: else {
435: fprintf(stderr, "%s line %d: Bad yes/no argument: %s\n",
436: filename, linenum, cp);
437: exit(1);
438: }
439: if (*intptr == -1)
440: *intptr = value;
441: break;
442:
443: case sIgnoreUserKnownHosts:
444: intptr = &options->ignore_user_known_hosts;
1.31 markus 445: goto parse_flag;
1.25 markus 446:
447: case sRhostsAuthentication:
448: intptr = &options->rhosts_authentication;
449: goto parse_flag;
450:
451: case sRhostsRSAAuthentication:
452: intptr = &options->rhosts_rsa_authentication;
453: goto parse_flag;
454:
455: case sRSAAuthentication:
456: intptr = &options->rsa_authentication;
1.39 markus 457: goto parse_flag;
458:
459: case sDSAAuthentication:
460: intptr = &options->dsa_authentication;
1.25 markus 461: goto parse_flag;
462:
1.1 deraadt 463: #ifdef KRB4
1.25 markus 464: case sKerberosAuthentication:
465: intptr = &options->kerberos_authentication;
466: goto parse_flag;
467:
468: case sKerberosOrLocalPasswd:
469: intptr = &options->kerberos_or_local_passwd;
470: goto parse_flag;
471:
472: case sKerberosTicketCleanup:
473: intptr = &options->kerberos_ticket_cleanup;
474: goto parse_flag;
1.1 deraadt 475: #endif
1.25 markus 476:
1.4 dugsong 477: #ifdef AFS
1.25 markus 478: case sKerberosTgtPassing:
479: intptr = &options->kerberos_tgt_passing;
480: goto parse_flag;
481:
482: case sAFSTokenPassing:
483: intptr = &options->afs_token_passing;
484: goto parse_flag;
485: #endif
486:
487: case sPasswordAuthentication:
488: intptr = &options->password_authentication;
489: goto parse_flag;
490:
491: case sCheckMail:
492: intptr = &options->check_mail;
493: goto parse_flag;
1.10 markus 494:
495: #ifdef SKEY
1.25 markus 496: case sSkeyAuthentication:
497: intptr = &options->skey_authentication;
498: goto parse_flag;
499: #endif
500:
501: case sPrintMotd:
502: intptr = &options->print_motd;
503: goto parse_flag;
504:
505: case sX11Forwarding:
506: intptr = &options->x11_forwarding;
507: goto parse_flag;
508:
509: case sX11DisplayOffset:
510: intptr = &options->x11_display_offset;
511: goto parse_int;
512:
1.42 markus 513: case sXAuthLocation:
514: charptr = &options->xauth_location;
515: goto parse_filename;
516:
1.25 markus 517: case sStrictModes:
518: intptr = &options->strict_modes;
519: goto parse_flag;
520:
521: case sKeepAlives:
522: intptr = &options->keepalives;
523: goto parse_flag;
524:
525: case sEmptyPasswd:
526: intptr = &options->permit_empty_passwd;
527: goto parse_flag;
528:
529: case sUseLogin:
530: intptr = &options->use_login;
1.38 markus 531: goto parse_flag;
532:
533: case sGatewayPorts:
534: intptr = &options->gateway_ports;
1.25 markus 535: goto parse_flag;
536:
537: case sLogFacility:
538: intptr = (int *) &options->log_facility;
539: cp = strtok(NULL, WHITESPACE);
540: value = log_facility_number(cp);
541: if (value == (SyslogFacility) - 1)
542: fatal("%.200s line %d: unsupported log facility '%s'\n",
1.33 markus 543: filename, linenum, cp ? cp : "<NONE>");
1.25 markus 544: if (*intptr == -1)
545: *intptr = (SyslogFacility) value;
546: break;
547:
548: case sLogLevel:
549: intptr = (int *) &options->log_level;
550: cp = strtok(NULL, WHITESPACE);
551: value = log_level_number(cp);
552: if (value == (LogLevel) - 1)
553: fatal("%.200s line %d: unsupported log level '%s'\n",
1.33 markus 554: filename, linenum, cp ? cp : "<NONE>");
1.25 markus 555: if (*intptr == -1)
556: *intptr = (LogLevel) value;
557: break;
558:
559: case sAllowUsers:
560: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 561: if (options->num_allow_users >= MAX_ALLOW_USERS)
562: fatal("%s line %d: too many allow users.\n",
563: filename, linenum);
1.25 markus 564: options->allow_users[options->num_allow_users++] = xstrdup(cp);
565: }
566: break;
567:
568: case sDenyUsers:
569: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 570: if (options->num_deny_users >= MAX_DENY_USERS)
571: fatal( "%s line %d: too many deny users.\n",
572: filename, linenum);
1.25 markus 573: options->deny_users[options->num_deny_users++] = xstrdup(cp);
574: }
575: break;
576:
577: case sAllowGroups:
578: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 579: if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
580: fatal("%s line %d: too many allow groups.\n",
581: filename, linenum);
1.25 markus 582: options->allow_groups[options->num_allow_groups++] = xstrdup(cp);
583: }
584: break;
585:
586: case sDenyGroups:
587: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 588: if (options->num_deny_groups >= MAX_DENY_GROUPS)
589: fatal("%s line %d: too many deny groups.\n",
590: filename, linenum);
1.25 markus 591: options->deny_groups[options->num_deny_groups++] = xstrdup(cp);
592: }
1.33 markus 593: break;
594:
595: case sCiphers:
596: cp = strtok(NULL, WHITESPACE);
1.41 markus 597: if (!cp)
598: fatal("%s line %d: Missing argument.", filename, linenum);
1.33 markus 599: if (!ciphers_valid(cp))
1.40 markus 600: fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
1.33 markus 601: filename, linenum, cp ? cp : "<NONE>");
602: if (options->ciphers == NULL)
603: options->ciphers = xstrdup(cp);
604: break;
605:
606: case sProtocol:
607: intptr = &options->protocol;
608: cp = strtok(NULL, WHITESPACE);
1.41 markus 609: if (!cp)
610: fatal("%s line %d: Missing argument.", filename, linenum);
1.33 markus 611: value = proto_spec(cp);
612: if (value == SSH_PROTO_UNKNOWN)
613: fatal("%s line %d: Bad protocol spec '%s'.",
614: filename, linenum, cp ? cp : "<NONE>");
615: if (*intptr == SSH_PROTO_UNKNOWN)
616: *intptr = value;
1.43 jakob 617: break;
618:
619: case sSubsystem:
620: if(options->num_subsystems >= MAX_SUBSYSTEMS) {
621: fatal("%s line %d: too many subsystems defined.",
622: filename, linenum);
623: }
624: cp = strtok(NULL, WHITESPACE);
625: if (!cp)
626: fatal("%s line %d: Missing subsystem name.",
627: filename, linenum);
628: for (i = 0; i < options->num_subsystems; i++)
629: if(strcmp(cp, options->subsystem_name[i]) == 0)
630: fatal("%s line %d: Subsystem '%s' already defined.",
631: filename, linenum, cp);
632: options->subsystem_name[options->num_subsystems] = xstrdup(cp);
633: cp = strtok(NULL, WHITESPACE);
634: if (!cp)
635: fatal("%s line %d: Missing subsystem command.",
636: filename, linenum);
637: options->subsystem_command[options->num_subsystems] = xstrdup(cp);
638: options->num_subsystems++;
1.25 markus 639: break;
640:
641: default:
642: fprintf(stderr, "%s line %d: Missing handler for opcode %s (%d)\n",
643: filename, linenum, cp, opcode);
644: exit(1);
1.13 markus 645: }
1.25 markus 646: if (strtok(NULL, WHITESPACE) != NULL) {
647: fprintf(stderr, "%s line %d: garbage at end of line.\n",
648: filename, linenum);
649: exit(1);
1.13 markus 650: }
1.1 deraadt 651: }
1.25 markus 652: fclose(f);
653: if (bad_options > 0) {
654: fprintf(stderr, "%s: terminating, %d bad configuration options\n",
655: filename, bad_options);
656: exit(1);
1.1 deraadt 657: }
658: }
![[BACK]](/icons/back.gif){kind=icon}
Return to servconf.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / ssh