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-rw-r--r--crypto/openssh/servconf.c605
1 files changed, 0 insertions, 605 deletions
diff --git a/crypto/openssh/servconf.c b/crypto/openssh/servconf.c
deleted file mode 100644
index 7852348cf62f..000000000000
--- a/crypto/openssh/servconf.c
+++ /dev/null
@@ -1,605 +0,0 @@
-/*
- *
- * servconf.c
- *
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- *
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- * All rights reserved
- *
- * Created: Mon Aug 21 15:48:58 1995 ylo
- *
- * $FreeBSD$
- */
-
-#include "includes.h"
-RCSID("$Id: servconf.c,v 1.30 2000/02/24 18:22:16 markus Exp $");
-
-#include "ssh.h"
-#include "servconf.h"
-#include "xmalloc.h"
-
-/* add listen address */
-void add_listen_addr(ServerOptions *options, char *addr);
-
-/* Initializes the server options to their default values. */
-
-void
-initialize_server_options(ServerOptions *options)
-{
- memset(options, 0, sizeof(*options));
- options->num_ports = 0;
- options->ports_from_cmdline = 0;
- options->listen_addrs = NULL;
- options->host_key_file = NULL;
- options->server_key_bits = -1;
- options->login_grace_time = -1;
- options->key_regeneration_time = -1;
- options->permit_root_login = -1;
- options->ignore_rhosts = -1;
- options->ignore_user_known_hosts = -1;
- options->print_motd = -1;
- options->check_mail = -1;
- options->x11_forwarding = -1;
- options->x11_display_offset = -1;
- options->strict_modes = -1;
- options->keepalives = -1;
- options->log_facility = (SyslogFacility) - 1;
- options->log_level = (LogLevel) - 1;
- options->rhosts_authentication = -1;
- options->rhosts_rsa_authentication = -1;
- options->rsa_authentication = -1;
-#ifdef KRB4
- options->krb4_authentication = -1;
- options->krb4_or_local_passwd = -1;
- options->krb4_ticket_cleanup = -1;
-#endif
-#ifdef KRB5
- options->krb5_authentication = -1;
- options->krb5_tgt_passing = -1;
-#endif /* KRB5 */
-#ifdef AFS
- options->krb4_tgt_passing = -1;
- options->afs_token_passing = -1;
-#endif
- options->password_authentication = -1;
-#ifdef SKEY
- options->skey_authentication = -1;
-#endif
- options->permit_empty_passwd = -1;
- options->use_login = -1;
- options->num_allow_users = 0;
- options->num_deny_users = 0;
- options->num_allow_groups = 0;
- options->num_deny_groups = 0;
- options->connections_per_period = 0;
- options->connections_period = 0;
-}
-
-void
-fill_default_server_options(ServerOptions *options)
-{
- if (options->num_ports == 0)
- options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
- if (options->listen_addrs == NULL)
- add_listen_addr(options, NULL);
- if (options->host_key_file == NULL)
- options->host_key_file = HOST_KEY_FILE;
- if (options->server_key_bits == -1)
- options->server_key_bits = 768;
- if (options->login_grace_time == -1)
- options->login_grace_time = 600;
- if (options->key_regeneration_time == -1)
- options->key_regeneration_time = 3600;
- if (options->permit_root_login == -1)
- options->permit_root_login = 1; /* yes */
- if (options->ignore_rhosts == -1)
- options->ignore_rhosts = 1;
- if (options->ignore_user_known_hosts == -1)
- options->ignore_user_known_hosts = 0;
- if (options->check_mail == -1)
- options->check_mail = 0;
- if (options->print_motd == -1)
- options->print_motd = 1;
- if (options->x11_forwarding == -1)
- options->x11_forwarding = 1;
- if (options->x11_display_offset == -1)
- options->x11_display_offset = 10;
- if (options->strict_modes == -1)
- options->strict_modes = 1;
- if (options->keepalives == -1)
- options->keepalives = 1;
- if (options->log_facility == (SyslogFacility) (-1))
- options->log_facility = SYSLOG_FACILITY_AUTH;
- if (options->log_level == (LogLevel) (-1))
- options->log_level = SYSLOG_LEVEL_INFO;
- if (options->rhosts_authentication == -1)
- options->rhosts_authentication = 0;
- if (options->rhosts_rsa_authentication == -1)
- options->rhosts_rsa_authentication = 0;
- if (options->rsa_authentication == -1)
- options->rsa_authentication = 1;
-#ifdef KRB4
- if (options->krb4_authentication == -1)
- options->krb4_authentication = (access(KEYFILE, R_OK) == 0);
- if (options->krb4_or_local_passwd == -1)
- options->krb4_or_local_passwd = 1;
- if (options->krb4_ticket_cleanup == -1)
- options->krb4_ticket_cleanup = 1;
-#endif /* KRB4 */
-#ifdef KRB5
- if (options->krb5_authentication == -1)
- options->krb5_authentication = 1;
- if (options->krb5_tgt_passing == -1)
- options->krb5_tgt_passing = 1;
-#endif /* KRB5 */
-#ifdef AFS
- if (options->krb4_tgt_passing == -1)
- options->krb4_tgt_passing = 0;
- if (options->afs_token_passing == -1)
- options->afs_token_passing = k_hasafs();
-#endif /* AFS */
- if (options->password_authentication == -1)
- options->password_authentication = 1;
-#ifdef SKEY
- if (options->skey_authentication == -1)
- options->skey_authentication = 1;
-#endif
- if (options->permit_empty_passwd == -1)
- options->permit_empty_passwd = 0;
- if (options->use_login == -1)
- options->use_login = 0;
-}
-
-#define WHITESPACE " \t\r\n"
-
-/* Keyword tokens. */
-typedef enum {
- sBadOption, /* == unknown option */
- sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
- sPermitRootLogin, sLogFacility, sLogLevel,
- sRhostsAuthentication, sRhostsRSAAuthentication, sRSAAuthentication,
-#ifdef KRB4
- sKrb4Authentication, sKrb4OrLocalPasswd, sKrb4TicketCleanup,
-#endif
-#ifdef KRB5
- sKrb5Authentication, sKrb5TgtPassing,
-#endif /* KRB5 */
-#ifdef AFS
- sKrb4TgtPassing, sAFSTokenPassing,
-#endif
-#ifdef SKEY
- sSkeyAuthentication,
-#endif
- sPasswordAuthentication, sListenAddress,
- sPrintMotd, sIgnoreRhosts, sX11Forwarding, sX11DisplayOffset,
- sStrictModes, sEmptyPasswd, sRandomSeedFile, sKeepAlives, sCheckMail,
- sUseLogin, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
- sIgnoreUserKnownHosts, sConnectionsPerPeriod
-} ServerOpCodes;
-
-/* Textual representation of the tokens. */
-static struct {
- const char *name;
- ServerOpCodes opcode;
-} keywords[] = {
- { "port", sPort },
- { "hostkey", sHostKeyFile },
- { "serverkeybits", sServerKeyBits },
- { "logingracetime", sLoginGraceTime },
- { "keyregenerationinterval", sKeyRegenerationTime },
- { "permitrootlogin", sPermitRootLogin },
- { "syslogfacility", sLogFacility },
- { "loglevel", sLogLevel },
- { "rhostsauthentication", sRhostsAuthentication },
- { "rhostsrsaauthentication", sRhostsRSAAuthentication },
- { "rsaauthentication", sRSAAuthentication },
-#ifdef KRB4
- { "kerberos4authentication", sKrb4Authentication },
- { "kerberos4orlocalpasswd", sKrb4OrLocalPasswd },
- { "kerberos4ticketcleanup", sKrb4TicketCleanup },
-#endif
-#ifdef KRB5
- { "kerberos5authentication", sKrb5Authentication },
- { "kerberos5tgtpassing", sKrb5TgtPassing },
-#endif /* KRB5 */
-#ifdef AFS
- { "kerberos4tgtpassing", sKrb4TgtPassing },
- { "afstokenpassing", sAFSTokenPassing },
-#endif
- { "passwordauthentication", sPasswordAuthentication },
-#ifdef SKEY
- { "skeyauthentication", sSkeyAuthentication },
-#endif
- { "checkmail", sCheckMail },
- { "listenaddress", sListenAddress },
- { "printmotd", sPrintMotd },
- { "ignorerhosts", sIgnoreRhosts },
- { "ignoreuserknownhosts", sIgnoreUserKnownHosts },
- { "x11forwarding", sX11Forwarding },
- { "x11displayoffset", sX11DisplayOffset },
- { "strictmodes", sStrictModes },
- { "permitemptypasswords", sEmptyPasswd },
- { "uselogin", sUseLogin },
- { "randomseed", sRandomSeedFile },
- { "keepalive", sKeepAlives },
- { "allowusers", sAllowUsers },
- { "denyusers", sDenyUsers },
- { "allowgroups", sAllowGroups },
- { "denygroups", sDenyGroups },
- { "connectionsperperiod", sConnectionsPerPeriod },
- { NULL, 0 }
-};
-
-/*
- * Returns the number of the token pointed to by cp of length len. Never
- * returns if the token is not known.
- */
-
-static ServerOpCodes
-parse_token(const char *cp, const char *filename,
- int linenum)
-{
- unsigned int i;
-
- for (i = 0; keywords[i].name; i++)
- if (strcasecmp(cp, keywords[i].name) == 0)
- return keywords[i].opcode;
-
- fprintf(stderr, "%s: line %d: Bad configuration option: %s\n",
- filename, linenum, cp);
- return sBadOption;
-}
-
-/*
- * add listen address
- */
-void
-add_listen_addr(ServerOptions *options, char *addr)
-{
- extern int IPv4or6;
- struct addrinfo hints, *ai, *aitop;
- char strport[NI_MAXSERV];
- int gaierr;
- int i;
-
- if (options->num_ports == 0)
- options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
- for (i = 0; i < options->num_ports; i++) {
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = IPv4or6;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
- snprintf(strport, sizeof strport, "%d", options->ports[i]);
- if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
- fatal("bad addr or host: %s (%s)\n",
- addr ? addr : "<NULL>",
- gai_strerror(gaierr));
- for (ai = aitop; ai->ai_next; ai = ai->ai_next)
- ;
- ai->ai_next = options->listen_addrs;
- options->listen_addrs = aitop;
- }
-}
-
-/* Reads the server configuration file. */
-
-void
-read_server_config(ServerOptions *options, const char *filename)
-{
- FILE *f;
- char line[1024];
- char *cp, **charptr;
- int linenum, *intptr, value;
- int bad_options = 0;
- ServerOpCodes opcode;
-
- f = fopen(filename, "r");
- if (!f) {
- perror(filename);
- exit(1);
- }
- linenum = 0;
- while (fgets(line, sizeof(line), f)) {
- linenum++;
- cp = line + strspn(line, WHITESPACE);
- if (!*cp || *cp == '#')
- continue;
- cp = strtok(cp, WHITESPACE);
- opcode = parse_token(cp, filename, linenum);
- switch (opcode) {
- case sBadOption:
- bad_options++;
- continue;
- case sPort:
- /* ignore ports from configfile if cmdline specifies ports */
- if (options->ports_from_cmdline)
- continue;
- if (options->listen_addrs != NULL)
- fatal("%s line %d: ports must be specified before "
- "ListenAdress.\n", filename, linenum);
- if (options->num_ports >= MAX_PORTS)
- fatal("%s line %d: too many ports.\n",
- filename, linenum);
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%s line %d: missing port number.\n",
- filename, linenum);
- options->ports[options->num_ports++] = atoi(cp);
- break;
-
- case sServerKeyBits:
- intptr = &options->server_key_bits;
-parse_int:
- cp = strtok(NULL, WHITESPACE);
- if (!cp) {
- fprintf(stderr, "%s line %d: missing integer value.\n",
- filename, linenum);
- exit(1);
- }
- if (sscanf(cp, " %d ", &value) != 1) {
- fprintf(stderr, "%s line %d: invalid integer value.\n",
- filename, linenum);
- exit(1);
- }
- if (*intptr == -1)
- *intptr = value;
- break;
-
- case sLoginGraceTime:
- intptr = &options->login_grace_time;
- goto parse_int;
-
- case sKeyRegenerationTime:
- intptr = &options->key_regeneration_time;
- goto parse_int;
-
- case sListenAddress:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%s line %d: missing inet addr.\n",
- filename, linenum);
- add_listen_addr(options, cp);
- break;
-
- case sHostKeyFile:
- charptr = &options->host_key_file;
- cp = strtok(NULL, WHITESPACE);
- if (!cp) {
- fprintf(stderr, "%s line %d: missing file name.\n",
- filename, linenum);
- exit(1);
- }
- if (*charptr == NULL)
- *charptr = tilde_expand_filename(cp, getuid());
- break;
-
- case sRandomSeedFile:
- fprintf(stderr, "%s line %d: \"randomseed\" option is obsolete.\n",
- filename, linenum);
- cp = strtok(NULL, WHITESPACE);
- break;
-
- case sPermitRootLogin:
- intptr = &options->permit_root_login;
- cp = strtok(NULL, WHITESPACE);
- if (!cp) {
- fprintf(stderr, "%s line %d: missing yes/without-password/no argument.\n",
- filename, linenum);
- exit(1);
- }
- if (strcmp(cp, "without-password") == 0)
- value = 2;
- else if (strcmp(cp, "yes") == 0)
- value = 1;
- else if (strcmp(cp, "no") == 0)
- value = 0;
- else {
- fprintf(stderr, "%s line %d: Bad yes/without-password/no argument: %s\n",
- filename, linenum, cp);
- exit(1);
- }
- if (*intptr == -1)
- *intptr = value;
- break;
-
- case sIgnoreRhosts:
- intptr = &options->ignore_rhosts;
-parse_flag:
- cp = strtok(NULL, WHITESPACE);
- if (!cp) {
- fprintf(stderr, "%s line %d: missing yes/no argument.\n",
- filename, linenum);
- exit(1);
- }
- if (strcmp(cp, "yes") == 0)
- value = 1;
- else if (strcmp(cp, "no") == 0)
- value = 0;
- else {
- fprintf(stderr, "%s line %d: Bad yes/no argument: %s\n",
- filename, linenum, cp);
- exit(1);
- }
- if (*intptr == -1)
- *intptr = value;
- break;
-
- case sIgnoreUserKnownHosts:
- intptr = &options->ignore_user_known_hosts;
- goto parse_int;
-
- case sRhostsAuthentication:
- intptr = &options->rhosts_authentication;
- goto parse_flag;
-
- case sRhostsRSAAuthentication:
- intptr = &options->rhosts_rsa_authentication;
- goto parse_flag;
-
- case sRSAAuthentication:
- intptr = &options->rsa_authentication;
- goto parse_flag;
-
-#ifdef KRB4
- case sKrb4Authentication:
- intptr = &options->krb4_authentication;
- goto parse_flag;
-
- case sKrb4OrLocalPasswd:
- intptr = &options->krb4_or_local_passwd;
- goto parse_flag;
-
- case sKrb4TicketCleanup:
- intptr = &options->krb4_ticket_cleanup;
- goto parse_flag;
-#endif
-
-#ifdef KRB5
- case sKrb5Authentication:
- intptr = &options->krb5_authentication;
- goto parse_flag;
-
- case sKrb5TgtPassing:
- intptr = &options->krb5_tgt_passing;
- goto parse_flag;
-#endif /* KRB5 */
-
-#ifdef AFS
- case sKrb4TgtPassing:
- intptr = &options->krb4_tgt_passing;
- goto parse_flag;
-
- case sAFSTokenPassing:
- intptr = &options->afs_token_passing;
- goto parse_flag;
-#endif
-
- case sPasswordAuthentication:
- intptr = &options->password_authentication;
- goto parse_flag;
-
- case sCheckMail:
- intptr = &options->check_mail;
- goto parse_flag;
-
-#ifdef SKEY
- case sSkeyAuthentication:
- intptr = &options->skey_authentication;
- goto parse_flag;
-#endif
-
- case sPrintMotd:
- intptr = &options->print_motd;
- goto parse_flag;
-
- case sX11Forwarding:
- intptr = &options->x11_forwarding;
- goto parse_flag;
-
- case sX11DisplayOffset:
- intptr = &options->x11_display_offset;
- goto parse_int;
-
- case sStrictModes:
- intptr = &options->strict_modes;
- goto parse_flag;
-
- case sKeepAlives:
- intptr = &options->keepalives;
- goto parse_flag;
-
- case sEmptyPasswd:
- intptr = &options->permit_empty_passwd;
- goto parse_flag;
-
- case sUseLogin:
- intptr = &options->use_login;
- goto parse_flag;
-
- case sLogFacility:
- intptr = (int *) &options->log_facility;
- cp = strtok(NULL, WHITESPACE);
- value = log_facility_number(cp);
- if (value == (SyslogFacility) - 1)
- fatal("%.200s line %d: unsupported log facility '%s'\n",
- filename, linenum, cp ? cp : "<NONE>");
- if (*intptr == -1)
- *intptr = (SyslogFacility) value;
- break;
-
- case sLogLevel:
- intptr = (int *) &options->log_level;
- cp = strtok(NULL, WHITESPACE);
- value = log_level_number(cp);
- if (value == (LogLevel) - 1)
- fatal("%.200s line %d: unsupported log level '%s'\n",
- filename, linenum, cp ? cp : "<NONE>");
- if (*intptr == -1)
- *intptr = (LogLevel) value;
- break;
-
- case sAllowUsers:
- while ((cp = strtok(NULL, WHITESPACE))) {
- if (options->num_allow_users >= MAX_ALLOW_USERS)
- fatal("%.200s line %d: too many allow users.\n", filename,
- linenum);
- options->allow_users[options->num_allow_users++] = xstrdup(cp);
- }
- break;
-
- case sDenyUsers:
- while ((cp = strtok(NULL, WHITESPACE))) {
- if (options->num_deny_users >= MAX_DENY_USERS)
- fatal("%.200s line %d: too many deny users.\n", filename,
- linenum);
- options->deny_users[options->num_deny_users++] = xstrdup(cp);
- }
- break;
-
- case sAllowGroups:
- while ((cp = strtok(NULL, WHITESPACE))) {
- if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
- fatal("%.200s line %d: too many allow groups.\n", filename,
- linenum);
- options->allow_groups[options->num_allow_groups++] = xstrdup(cp);
- }
- break;
-
- case sDenyGroups:
- while ((cp = strtok(NULL, WHITESPACE))) {
- if (options->num_deny_groups >= MAX_DENY_GROUPS)
- fatal("%.200s line %d: too many deny groups.\n", filename,
- linenum);
- options->deny_groups[options->num_deny_groups++] = xstrdup(cp);
- }
- break;
-
- case sConnectionsPerPeriod:
- cp = strtok(NULL, WHITESPACE);
- if (cp == NULL)
- fatal("%.200s line %d: missing (>= 0) number argument.\n",
- filename, linenum);
- if (sscanf(cp, " %u/%u ", &options->connections_per_period,
- &options->connections_period) != 2)
- fatal("%.200s line %d: invalid numerical argument(s).\n",
- filename, linenum);
- if (options->connections_per_period != 0 &&
- options->connections_period == 0)
- fatal("%.200s line %d: invalid connections period.\n",
- filename, linenum);
- break;
-
- default:
- fatal("%.200s line %d: Missing handler for opcode %s (%d)\n",
- filename, linenum, cp, opcode);
- }
- if (strtok(NULL, WHITESPACE) != NULL)
- fatal("%.200s line %d: garbage at end of line.\n", filename,
- linenum);
- }
- fclose(f);
- if (bad_options > 0)
- fatal("%.200s: terminating, %d bad configuration options\n",
- filename, bad_options);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-12 09:49:29 +0000