Annotation of src/usr.bin/ssh/servconf.c, Revision 1.42
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"
1.42 ! markus 15: RCSID("$Id: servconf.c,v 1.41 2000/05/22 18:42:01 markus 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;
1.1 deraadt 78: }
79:
1.34 markus 80: void
1.25 markus 81: fill_default_server_options(ServerOptions *options)
1.1 deraadt 82: {
1.29 markus 83: if (options->num_ports == 0)
84: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
85: if (options->listen_addrs == NULL)
86: add_listen_addr(options, NULL);
1.25 markus 87: if (options->host_key_file == NULL)
88: options->host_key_file = HOST_KEY_FILE;
1.37 markus 89: if (options->host_dsa_key_file == NULL)
90: options->host_dsa_key_file = HOST_DSA_KEY_FILE;
1.36 markus 91: if (options->pid_file == NULL)
92: options->pid_file = SSH_DAEMON_PID_FILE;
1.25 markus 93: if (options->server_key_bits == -1)
94: options->server_key_bits = 768;
95: if (options->login_grace_time == -1)
96: options->login_grace_time = 600;
97: if (options->key_regeneration_time == -1)
98: options->key_regeneration_time = 3600;
99: if (options->permit_root_login == -1)
100: options->permit_root_login = 1; /* yes */
101: if (options->ignore_rhosts == -1)
1.30 markus 102: options->ignore_rhosts = 1;
1.25 markus 103: if (options->ignore_user_known_hosts == -1)
104: options->ignore_user_known_hosts = 0;
105: if (options->check_mail == -1)
106: options->check_mail = 0;
107: if (options->print_motd == -1)
108: options->print_motd = 1;
109: if (options->x11_forwarding == -1)
1.30 markus 110: options->x11_forwarding = 0;
1.25 markus 111: if (options->x11_display_offset == -1)
1.30 markus 112: options->x11_display_offset = 10;
1.42 ! markus 113: #ifdef XAUTH_PATH
! 114: if (options->xauth_location == NULL)
! 115: options->xauth_location = XAUTH_PATH;
! 116: #endif /* XAUTH_PATH */
1.25 markus 117: if (options->strict_modes == -1)
118: options->strict_modes = 1;
119: if (options->keepalives == -1)
120: options->keepalives = 1;
121: if (options->log_facility == (SyslogFacility) (-1))
122: options->log_facility = SYSLOG_FACILITY_AUTH;
123: if (options->log_level == (LogLevel) (-1))
124: options->log_level = SYSLOG_LEVEL_INFO;
125: if (options->rhosts_authentication == -1)
126: options->rhosts_authentication = 0;
127: if (options->rhosts_rsa_authentication == -1)
1.30 markus 128: options->rhosts_rsa_authentication = 0;
1.25 markus 129: if (options->rsa_authentication == -1)
130: options->rsa_authentication = 1;
1.39 markus 131: if (options->dsa_authentication == -1)
132: options->dsa_authentication = 1;
1.1 deraadt 133: #ifdef KRB4
1.25 markus 134: if (options->kerberos_authentication == -1)
135: options->kerberos_authentication = (access(KEYFILE, R_OK) == 0);
136: if (options->kerberos_or_local_passwd == -1)
137: options->kerberos_or_local_passwd = 1;
138: if (options->kerberos_ticket_cleanup == -1)
139: options->kerberos_ticket_cleanup = 1;
1.4 dugsong 140: #endif /* KRB4 */
141: #ifdef AFS
1.25 markus 142: if (options->kerberos_tgt_passing == -1)
143: options->kerberos_tgt_passing = 0;
144: if (options->afs_token_passing == -1)
145: options->afs_token_passing = k_hasafs();
1.4 dugsong 146: #endif /* AFS */
1.25 markus 147: if (options->password_authentication == -1)
148: options->password_authentication = 1;
1.10 markus 149: #ifdef SKEY
1.25 markus 150: if (options->skey_authentication == -1)
151: options->skey_authentication = 1;
1.10 markus 152: #endif
1.25 markus 153: if (options->permit_empty_passwd == -1)
1.30 markus 154: options->permit_empty_passwd = 0;
1.25 markus 155: if (options->use_login == -1)
156: options->use_login = 0;
1.33 markus 157: if (options->protocol == SSH_PROTO_UNKNOWN)
1.35 markus 158: options->protocol = SSH_PROTO_1|SSH_PROTO_2;
1.38 markus 159: if (options->gateway_ports == -1)
160: options->gateway_ports = 0;
1.1 deraadt 161: }
162:
163: #define WHITESPACE " \t\r\n"
164:
165: /* Keyword tokens. */
1.25 markus 166: typedef enum {
167: sBadOption, /* == unknown option */
168: sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
169: sPermitRootLogin, sLogFacility, sLogLevel,
170: sRhostsAuthentication, sRhostsRSAAuthentication, sRSAAuthentication,
1.1 deraadt 171: #ifdef KRB4
1.25 markus 172: sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
1.1 deraadt 173: #endif
174: #ifdef AFS
1.25 markus 175: sKerberosTgtPassing, sAFSTokenPassing,
1.1 deraadt 176: #endif
1.10 markus 177: #ifdef SKEY
1.25 markus 178: sSkeyAuthentication,
1.10 markus 179: #endif
1.25 markus 180: sPasswordAuthentication, sListenAddress,
181: sPrintMotd, sIgnoreRhosts, sX11Forwarding, sX11DisplayOffset,
182: sStrictModes, sEmptyPasswd, sRandomSeedFile, sKeepAlives, sCheckMail,
183: sUseLogin, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
1.38 markus 184: sIgnoreUserKnownHosts, sHostDSAKeyFile, sCiphers, sProtocol, sPidFile,
1.42 ! markus 185: sGatewayPorts, sDSAAuthentication, sXAuthLocation
1.1 deraadt 186: } ServerOpCodes;
187:
188: /* Textual representation of the tokens. */
1.25 markus 189: static struct {
190: const char *name;
191: ServerOpCodes opcode;
192: } keywords[] = {
193: { "port", sPort },
194: { "hostkey", sHostKeyFile },
1.37 markus 195: { "hostdsakey", sHostDSAKeyFile },
1.36 markus 196: { "pidfile", sPidFile },
1.25 markus 197: { "serverkeybits", sServerKeyBits },
198: { "logingracetime", sLoginGraceTime },
199: { "keyregenerationinterval", sKeyRegenerationTime },
200: { "permitrootlogin", sPermitRootLogin },
201: { "syslogfacility", sLogFacility },
202: { "loglevel", sLogLevel },
203: { "rhostsauthentication", sRhostsAuthentication },
204: { "rhostsrsaauthentication", sRhostsRSAAuthentication },
205: { "rsaauthentication", sRSAAuthentication },
1.39 markus 206: { "dsaauthentication", sDSAAuthentication },
1.1 deraadt 207: #ifdef KRB4
1.25 markus 208: { "kerberosauthentication", sKerberosAuthentication },
209: { "kerberosorlocalpasswd", sKerberosOrLocalPasswd },
210: { "kerberosticketcleanup", sKerberosTicketCleanup },
1.1 deraadt 211: #endif
1.4 dugsong 212: #ifdef AFS
1.25 markus 213: { "kerberostgtpassing", sKerberosTgtPassing },
214: { "afstokenpassing", sAFSTokenPassing },
1.1 deraadt 215: #endif
1.25 markus 216: { "passwordauthentication", sPasswordAuthentication },
1.10 markus 217: #ifdef SKEY
1.25 markus 218: { "skeyauthentication", sSkeyAuthentication },
1.10 markus 219: #endif
1.25 markus 220: { "checkmail", sCheckMail },
221: { "listenaddress", sListenAddress },
222: { "printmotd", sPrintMotd },
223: { "ignorerhosts", sIgnoreRhosts },
224: { "ignoreuserknownhosts", sIgnoreUserKnownHosts },
225: { "x11forwarding", sX11Forwarding },
226: { "x11displayoffset", sX11DisplayOffset },
1.42 ! markus 227: { "xauthlocation", sXAuthLocation },
1.25 markus 228: { "strictmodes", sStrictModes },
229: { "permitemptypasswords", sEmptyPasswd },
230: { "uselogin", sUseLogin },
231: { "randomseed", sRandomSeedFile },
232: { "keepalive", sKeepAlives },
233: { "allowusers", sAllowUsers },
234: { "denyusers", sDenyUsers },
235: { "allowgroups", sAllowGroups },
236: { "denygroups", sDenyGroups },
1.33 markus 237: { "ciphers", sCiphers },
238: { "protocol", sProtocol },
1.38 markus 239: { "gatewayports", sGatewayPorts },
1.25 markus 240: { NULL, 0 }
1.1 deraadt 241: };
242:
1.27 markus 243: /*
244: * Returns the number of the token pointed to by cp of length len. Never
245: * returns if the token is not known.
246: */
1.1 deraadt 247:
1.34 markus 248: static ServerOpCodes
1.25 markus 249: parse_token(const char *cp, const char *filename,
250: int linenum)
1.1 deraadt 251: {
1.25 markus 252: unsigned int i;
1.1 deraadt 253:
1.25 markus 254: for (i = 0; keywords[i].name; i++)
1.28 markus 255: if (strcasecmp(cp, keywords[i].name) == 0)
1.25 markus 256: return keywords[i].opcode;
257:
258: fprintf(stderr, "%s: line %d: Bad configuration option: %s\n",
259: filename, linenum, cp);
260: return sBadOption;
1.1 deraadt 261: }
262:
1.29 markus 263: /*
264: * add listen address
265: */
1.34 markus 266: void
1.29 markus 267: add_listen_addr(ServerOptions *options, char *addr)
268: {
269: extern int IPv4or6;
270: struct addrinfo hints, *ai, *aitop;
271: char strport[NI_MAXSERV];
272: int gaierr;
273: int i;
274:
275: if (options->num_ports == 0)
276: options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
277: for (i = 0; i < options->num_ports; i++) {
278: memset(&hints, 0, sizeof(hints));
279: hints.ai_family = IPv4or6;
280: hints.ai_socktype = SOCK_STREAM;
281: hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
282: snprintf(strport, sizeof strport, "%d", options->ports[i]);
283: if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
284: fatal("bad addr or host: %s (%s)\n",
285: addr ? addr : "<NULL>",
286: gai_strerror(gaierr));
287: for (ai = aitop; ai->ai_next; ai = ai->ai_next)
288: ;
289: ai->ai_next = options->listen_addrs;
290: options->listen_addrs = aitop;
291: }
292: }
293:
1.1 deraadt 294: /* Reads the server configuration file. */
295:
1.34 markus 296: void
1.25 markus 297: read_server_config(ServerOptions *options, const char *filename)
1.1 deraadt 298: {
1.25 markus 299: FILE *f;
300: char line[1024];
301: char *cp, **charptr;
302: int linenum, *intptr, value;
303: int bad_options = 0;
304: ServerOpCodes opcode;
305:
306: f = fopen(filename, "r");
307: if (!f) {
308: perror(filename);
1.1 deraadt 309: exit(1);
1.25 markus 310: }
311: linenum = 0;
312: while (fgets(line, sizeof(line), f)) {
313: linenum++;
314: cp = line + strspn(line, WHITESPACE);
315: if (!*cp || *cp == '#')
316: continue;
317: cp = strtok(cp, WHITESPACE);
318: opcode = parse_token(cp, filename, linenum);
319: switch (opcode) {
320: case sBadOption:
321: bad_options++;
322: continue;
323: case sPort:
1.29 markus 324: /* ignore ports from configfile if cmdline specifies ports */
325: if (options->ports_from_cmdline)
326: continue;
327: if (options->listen_addrs != NULL)
328: fatal("%s line %d: ports must be specified before "
329: "ListenAdress.\n", filename, linenum);
330: if (options->num_ports >= MAX_PORTS)
331: fatal("%s line %d: too many ports.\n",
1.34 markus 332: filename, linenum);
1.29 markus 333: cp = strtok(NULL, WHITESPACE);
334: if (!cp)
335: fatal("%s line %d: missing port number.\n",
336: filename, linenum);
337: options->ports[options->num_ports++] = atoi(cp);
338: break;
339:
340: case sServerKeyBits:
341: intptr = &options->server_key_bits;
1.25 markus 342: parse_int:
343: cp = strtok(NULL, WHITESPACE);
344: if (!cp) {
345: fprintf(stderr, "%s line %d: missing integer value.\n",
346: filename, linenum);
347: exit(1);
348: }
349: value = atoi(cp);
350: if (*intptr == -1)
351: *intptr = value;
352: break;
353:
354: case sLoginGraceTime:
355: intptr = &options->login_grace_time;
356: goto parse_int;
357:
358: case sKeyRegenerationTime:
359: intptr = &options->key_regeneration_time;
360: goto parse_int;
361:
362: case sListenAddress:
363: cp = strtok(NULL, WHITESPACE);
1.29 markus 364: if (!cp)
365: fatal("%s line %d: missing inet addr.\n",
366: filename, linenum);
367: add_listen_addr(options, cp);
1.25 markus 368: break;
369:
370: case sHostKeyFile:
1.37 markus 371: case sHostDSAKeyFile:
1.32 markus 372: charptr = (opcode == sHostKeyFile ) ?
1.37 markus 373: &options->host_key_file : &options->host_dsa_key_file;
1.42 ! markus 374: parse_filename:
1.25 markus 375: cp = strtok(NULL, WHITESPACE);
376: if (!cp) {
377: fprintf(stderr, "%s line %d: missing file name.\n",
1.36 markus 378: filename, linenum);
379: exit(1);
380: }
381: if (*charptr == NULL)
382: *charptr = tilde_expand_filename(cp, getuid());
383: break;
384:
385: case sPidFile:
386: charptr = &options->pid_file;
1.42 ! markus 387: goto parse_filename;
1.25 markus 388:
389: case sRandomSeedFile:
390: fprintf(stderr, "%s line %d: \"randomseed\" option is obsolete.\n",
391: filename, linenum);
392: cp = strtok(NULL, WHITESPACE);
393: break;
394:
395: case sPermitRootLogin:
396: intptr = &options->permit_root_login;
397: cp = strtok(NULL, WHITESPACE);
398: if (!cp) {
399: fprintf(stderr, "%s line %d: missing yes/without-password/no argument.\n",
400: filename, linenum);
401: exit(1);
402: }
403: if (strcmp(cp, "without-password") == 0)
404: value = 2;
405: else if (strcmp(cp, "yes") == 0)
406: value = 1;
407: else if (strcmp(cp, "no") == 0)
408: value = 0;
409: else {
410: fprintf(stderr, "%s line %d: Bad yes/without-password/no argument: %s\n",
411: filename, linenum, cp);
412: exit(1);
413: }
414: if (*intptr == -1)
415: *intptr = value;
416: break;
417:
418: case sIgnoreRhosts:
419: intptr = &options->ignore_rhosts;
420: parse_flag:
421: cp = strtok(NULL, WHITESPACE);
422: if (!cp) {
423: fprintf(stderr, "%s line %d: missing yes/no argument.\n",
424: filename, linenum);
425: exit(1);
426: }
427: if (strcmp(cp, "yes") == 0)
428: value = 1;
429: else if (strcmp(cp, "no") == 0)
430: value = 0;
431: else {
432: fprintf(stderr, "%s line %d: Bad yes/no argument: %s\n",
433: filename, linenum, cp);
434: exit(1);
435: }
436: if (*intptr == -1)
437: *intptr = value;
438: break;
439:
440: case sIgnoreUserKnownHosts:
441: intptr = &options->ignore_user_known_hosts;
1.31 markus 442: goto parse_flag;
1.25 markus 443:
444: case sRhostsAuthentication:
445: intptr = &options->rhosts_authentication;
446: goto parse_flag;
447:
448: case sRhostsRSAAuthentication:
449: intptr = &options->rhosts_rsa_authentication;
450: goto parse_flag;
451:
452: case sRSAAuthentication:
453: intptr = &options->rsa_authentication;
1.39 markus 454: goto parse_flag;
455:
456: case sDSAAuthentication:
457: intptr = &options->dsa_authentication;
1.25 markus 458: goto parse_flag;
459:
1.1 deraadt 460: #ifdef KRB4
1.25 markus 461: case sKerberosAuthentication:
462: intptr = &options->kerberos_authentication;
463: goto parse_flag;
464:
465: case sKerberosOrLocalPasswd:
466: intptr = &options->kerberos_or_local_passwd;
467: goto parse_flag;
468:
469: case sKerberosTicketCleanup:
470: intptr = &options->kerberos_ticket_cleanup;
471: goto parse_flag;
1.1 deraadt 472: #endif
1.25 markus 473:
1.4 dugsong 474: #ifdef AFS
1.25 markus 475: case sKerberosTgtPassing:
476: intptr = &options->kerberos_tgt_passing;
477: goto parse_flag;
478:
479: case sAFSTokenPassing:
480: intptr = &options->afs_token_passing;
481: goto parse_flag;
482: #endif
483:
484: case sPasswordAuthentication:
485: intptr = &options->password_authentication;
486: goto parse_flag;
487:
488: case sCheckMail:
489: intptr = &options->check_mail;
490: goto parse_flag;
1.10 markus 491:
492: #ifdef SKEY
1.25 markus 493: case sSkeyAuthentication:
494: intptr = &options->skey_authentication;
495: goto parse_flag;
496: #endif
497:
498: case sPrintMotd:
499: intptr = &options->print_motd;
500: goto parse_flag;
501:
502: case sX11Forwarding:
503: intptr = &options->x11_forwarding;
504: goto parse_flag;
505:
506: case sX11DisplayOffset:
507: intptr = &options->x11_display_offset;
508: goto parse_int;
509:
1.42 ! markus 510: case sXAuthLocation:
! 511: charptr = &options->xauth_location;
! 512: goto parse_filename;
! 513:
1.25 markus 514: case sStrictModes:
515: intptr = &options->strict_modes;
516: goto parse_flag;
517:
518: case sKeepAlives:
519: intptr = &options->keepalives;
520: goto parse_flag;
521:
522: case sEmptyPasswd:
523: intptr = &options->permit_empty_passwd;
524: goto parse_flag;
525:
526: case sUseLogin:
527: intptr = &options->use_login;
1.38 markus 528: goto parse_flag;
529:
530: case sGatewayPorts:
531: intptr = &options->gateway_ports;
1.25 markus 532: goto parse_flag;
533:
534: case sLogFacility:
535: intptr = (int *) &options->log_facility;
536: cp = strtok(NULL, WHITESPACE);
537: value = log_facility_number(cp);
538: if (value == (SyslogFacility) - 1)
539: fatal("%.200s line %d: unsupported log facility '%s'\n",
1.33 markus 540: filename, linenum, cp ? cp : "<NONE>");
1.25 markus 541: if (*intptr == -1)
542: *intptr = (SyslogFacility) value;
543: break;
544:
545: case sLogLevel:
546: intptr = (int *) &options->log_level;
547: cp = strtok(NULL, WHITESPACE);
548: value = log_level_number(cp);
549: if (value == (LogLevel) - 1)
550: fatal("%.200s line %d: unsupported log level '%s'\n",
1.33 markus 551: filename, linenum, cp ? cp : "<NONE>");
1.25 markus 552: if (*intptr == -1)
553: *intptr = (LogLevel) value;
554: break;
555:
556: case sAllowUsers:
557: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 558: if (options->num_allow_users >= MAX_ALLOW_USERS)
559: fatal("%s line %d: too many allow users.\n",
560: filename, linenum);
1.25 markus 561: options->allow_users[options->num_allow_users++] = xstrdup(cp);
562: }
563: break;
564:
565: case sDenyUsers:
566: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 567: if (options->num_deny_users >= MAX_DENY_USERS)
568: fatal( "%s line %d: too many deny users.\n",
569: filename, linenum);
1.25 markus 570: options->deny_users[options->num_deny_users++] = xstrdup(cp);
571: }
572: break;
573:
574: case sAllowGroups:
575: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 576: if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
577: fatal("%s line %d: too many allow groups.\n",
578: filename, linenum);
1.25 markus 579: options->allow_groups[options->num_allow_groups++] = xstrdup(cp);
580: }
581: break;
582:
583: case sDenyGroups:
584: while ((cp = strtok(NULL, WHITESPACE))) {
1.33 markus 585: if (options->num_deny_groups >= MAX_DENY_GROUPS)
586: fatal("%s line %d: too many deny groups.\n",
587: filename, linenum);
1.25 markus 588: options->deny_groups[options->num_deny_groups++] = xstrdup(cp);
589: }
1.33 markus 590: break;
591:
592: case sCiphers:
593: cp = strtok(NULL, WHITESPACE);
1.41 markus 594: if (!cp)
595: fatal("%s line %d: Missing argument.", filename, linenum);
1.33 markus 596: if (!ciphers_valid(cp))
1.40 markus 597: fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
1.33 markus 598: filename, linenum, cp ? cp : "<NONE>");
599: if (options->ciphers == NULL)
600: options->ciphers = xstrdup(cp);
601: break;
602:
603: case sProtocol:
604: intptr = &options->protocol;
605: cp = strtok(NULL, WHITESPACE);
1.41 markus 606: if (!cp)
607: fatal("%s line %d: Missing argument.", filename, linenum);
1.33 markus 608: value = proto_spec(cp);
609: if (value == SSH_PROTO_UNKNOWN)
610: fatal("%s line %d: Bad protocol spec '%s'.",
611: filename, linenum, cp ? cp : "<NONE>");
612: if (*intptr == SSH_PROTO_UNKNOWN)
613: *intptr = value;
1.25 markus 614: break;
615:
616: default:
617: fprintf(stderr, "%s line %d: Missing handler for opcode %s (%d)\n",
618: filename, linenum, cp, opcode);
619: exit(1);
1.13 markus 620: }
1.25 markus 621: if (strtok(NULL, WHITESPACE) != NULL) {
622: fprintf(stderr, "%s line %d: garbage at end of line.\n",
623: filename, linenum);
624: exit(1);
1.13 markus 625: }
1.1 deraadt 626: }
1.25 markus 627: fclose(f);
628: if (bad_options > 0) {
629: fprintf(stderr, "%s: terminating, %d bad configuration options\n",
630: filename, bad_options);
631: exit(1);
1.1 deraadt 632: }
633: }
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