/*
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
-servconf.c
-
-Author: Tatu Ylonen <ylo@cs.hut.fi>
-
-Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- All rights reserved
+#include "includes.h"
+RCSID("$OpenBSD: servconf.c,v 1.118 2003/04/09 08:23:52 hin Exp $");
-Created: Mon Aug 21 15:48:58 1995 ylo
+#if defined(KRB4)
+#include <krb.h>
+#endif
-*/
+#if defined(KRB5)
+# ifdef HEIMDAL
+# include <krb.h>
+# else
+/*
+ * XXX: Bodge - but then, so is using the kerberos IV KEYFILE to get a
+ * Kerberos V keytab
+ */
+# define KEYFILE "/etc/krb5.keytab"
+# endif
+#endif
-#include "includes.h"
-RCSID("$Id$");
+#ifdef AFS
+#include <kafs.h>
+#endif
#include "ssh.h"
+#include "log.h"
#include "servconf.h"
#include "xmalloc.h"
+#include "compat.h"
+#include "pathnames.h"
+#include "tildexpand.h"
+#include "misc.h"
+#include "cipher.h"
+#include "kex.h"
+#include "mac.h"
+
+static void add_listen_addr(ServerOptions *, char *, u_short);
+static void add_one_listen_addr(ServerOptions *, char *, u_short);
+
+/* AF_UNSPEC or AF_INET or AF_INET6 */
+extern int IPv4or6;
+/* Use of privilege separation or not */
+extern int use_privsep;
/* Initializes the server options to their default values. */
-void initialize_server_options(ServerOptions *options)
+void
+initialize_server_options(ServerOptions *options)
{
- memset(options, 0, sizeof(*options));
- options->port = -1;
- options->listen_addr.s_addr = htonl(INADDR_ANY);
- 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->kerberos_authentication = -1;
- options->kerberos_or_local_passwd = -1;
- options->kerberos_ticket_cleanup = -1;
+ memset(options, 0, sizeof(*options));
+
+ /* Portable-specific options */
+ options->pam_authentication_via_kbd_int = -1;
+
+ /* Standard Options */
+ options->num_ports = 0;
+ options->ports_from_cmdline = 0;
+ options->listen_addrs = NULL;
+ options->num_host_key_files = 0;
+ options->pid_file = NULL;
+ options->server_key_bits = -1;
+ options->login_grace_time = -1;
+ options->key_regeneration_time = -1;
+ options->permit_root_login = PERMIT_NOT_SET;
+ options->ignore_rhosts = -1;
+ options->ignore_user_known_hosts = -1;
+ options->print_motd = -1;
+ options->print_lastlog = -1;
+ options->x11_forwarding = -1;
+ options->x11_display_offset = -1;
+ options->x11_use_localhost = -1;
+ options->xauth_location = NULL;
+ options->strict_modes = -1;
+ options->keepalives = -1;
+ options->log_facility = SYSLOG_FACILITY_NOT_SET;
+ options->log_level = SYSLOG_LEVEL_NOT_SET;
+ options->rhosts_authentication = -1;
+ options->rhosts_rsa_authentication = -1;
+ options->hostbased_authentication = -1;
+ options->hostbased_uses_name_from_packet_only = -1;
+ options->rsa_authentication = -1;
+ options->pubkey_authentication = -1;
+#if defined(KRB4) || defined(KRB5)
+ options->kerberos_authentication = -1;
+ options->kerberos_or_local_passwd = -1;
+ options->kerberos_ticket_cleanup = -1;
#endif
-#ifdef AFS
- options->kerberos_tgt_passing = -1;
- options->afs_token_passing = -1;
+#if defined(AFS) || defined(KRB5)
+ options->kerberos_tgt_passing = -1;
#endif
- options->password_authentication = -1;
-#ifdef SKEY
- options->skey_authentication = -1;
+#ifdef AFS
+ options->afs_token_passing = -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->password_authentication = -1;
+ options->kbd_interactive_authentication = -1;
+ options->challenge_response_authentication = -1;
+ options->permit_empty_passwd = -1;
+ options->permit_user_env = -1;
+ options->use_login = -1;
+ options->compression = -1;
+ options->allow_tcp_forwarding = -1;
+ options->num_allow_users = 0;
+ options->num_deny_users = 0;
+ options->num_allow_groups = 0;
+ options->num_deny_groups = 0;
+ options->ciphers = NULL;
+ options->macs = NULL;
+ options->protocol = SSH_PROTO_UNKNOWN;
+ options->gateway_ports = -1;
+ options->num_subsystems = 0;
+ options->max_startups_begin = -1;
+ options->max_startups_rate = -1;
+ options->max_startups = -1;
+ options->banner = NULL;
+ options->verify_reverse_mapping = -1;
+ options->client_alive_interval = -1;
+ options->client_alive_count_max = -1;
+ options->authorized_keys_file = NULL;
+ options->authorized_keys_file2 = NULL;
+
+ /* Needs to be accessable in many places */
+ use_privsep = -1;
}
-void fill_default_server_options(ServerOptions *options)
+void
+fill_default_server_options(ServerOptions *options)
{
- if (options->port == -1)
- {
- struct servent *sp;
-
- sp = getservbyname(SSH_SERVICE_NAME, "tcp");
- if (sp)
- options->port = ntohs(sp->s_port);
- else
- options->port = SSH_DEFAULT_PORT;
- endservent();
- }
- 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 = 0;
- 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 = 1;
- 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 = 1;
- if (options->rsa_authentication == -1)
- options->rsa_authentication = 1;
-#ifdef KRB4
- if (options->kerberos_authentication == -1)
- options->kerberos_authentication = (access(KEYFILE, R_OK) == 0);
- if (options->kerberos_or_local_passwd == -1)
- options->kerberos_or_local_passwd = 1;
- if (options->kerberos_ticket_cleanup == -1)
- options->kerberos_ticket_cleanup = 1;
-#endif /* KRB4 */
+ /* Portable-specific options */
+ if (options->pam_authentication_via_kbd_int == -1)
+ options->pam_authentication_via_kbd_int = 0;
+
+ /* Standard Options */
+ if (options->protocol == SSH_PROTO_UNKNOWN)
+ options->protocol = SSH_PROTO_1|SSH_PROTO_2;
+ if (options->num_host_key_files == 0) {
+ /* fill default hostkeys for protocols */
+ if (options->protocol & SSH_PROTO_1)
+ options->host_key_files[options->num_host_key_files++] =
+ _PATH_HOST_KEY_FILE;
+ if (options->protocol & SSH_PROTO_2) {
+ options->host_key_files[options->num_host_key_files++] =
+ _PATH_HOST_RSA_KEY_FILE;
+ options->host_key_files[options->num_host_key_files++] =
+ _PATH_HOST_DSA_KEY_FILE;
+ }
+ }
+ if (options->num_ports == 0)
+ options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
+ if (options->listen_addrs == NULL)
+ add_listen_addr(options, NULL, 0);
+ if (options->pid_file == NULL)
+ options->pid_file = _PATH_SSH_DAEMON_PID_FILE;
+ if (options->server_key_bits == -1)
+ options->server_key_bits = 768;
+ if (options->login_grace_time == -1)
+ options->login_grace_time = 120;
+ if (options->key_regeneration_time == -1)
+ options->key_regeneration_time = 3600;
+ if (options->permit_root_login == PERMIT_NOT_SET)
+ options->permit_root_login = PERMIT_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->print_motd == -1)
+ options->print_motd = 1;
+ if (options->print_lastlog == -1)
+ options->print_lastlog = 1;
+ if (options->x11_forwarding == -1)
+ options->x11_forwarding = 0;
+ if (options->x11_display_offset == -1)
+ options->x11_display_offset = 10;
+ if (options->x11_use_localhost == -1)
+ options->x11_use_localhost = 1;
+ if (options->xauth_location == NULL)
+ options->xauth_location = _PATH_XAUTH;
+ if (options->strict_modes == -1)
+ options->strict_modes = 1;
+ if (options->keepalives == -1)
+ options->keepalives = 1;
+ if (options->log_facility == SYSLOG_FACILITY_NOT_SET)
+ options->log_facility = SYSLOG_FACILITY_AUTH;
+ if (options->log_level == SYSLOG_LEVEL_NOT_SET)
+ 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->hostbased_authentication == -1)
+ options->hostbased_authentication = 0;
+ if (options->hostbased_uses_name_from_packet_only == -1)
+ options->hostbased_uses_name_from_packet_only = 0;
+ if (options->rsa_authentication == -1)
+ options->rsa_authentication = 1;
+ if (options->pubkey_authentication == -1)
+ options->pubkey_authentication = 1;
+#if defined(KRB4) || defined(KRB5)
+ if (options->kerberos_authentication == -1)
+ options->kerberos_authentication = 0;
+ if (options->kerberos_or_local_passwd == -1)
+ options->kerberos_or_local_passwd = 1;
+ if (options->kerberos_ticket_cleanup == -1)
+ options->kerberos_ticket_cleanup = 1;
+#endif
+#if defined(AFS) || defined(KRB5)
+ if (options->kerberos_tgt_passing == -1)
+ options->kerberos_tgt_passing = 0;
+#endif
#ifdef AFS
- if (options->kerberos_tgt_passing == -1)
- options->kerberos_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;
+ if (options->afs_token_passing == -1)
+ options->afs_token_passing = 0;
+#endif
+ if (options->password_authentication == -1)
+ options->password_authentication = 1;
+ if (options->kbd_interactive_authentication == -1)
+ options->kbd_interactive_authentication = 0;
+ if (options->challenge_response_authentication == -1)
+ options->challenge_response_authentication = 1;
+ if (options->permit_empty_passwd == -1)
+ options->permit_empty_passwd = 0;
+ if (options->permit_user_env == -1)
+ options->permit_user_env = 0;
+ if (options->use_login == -1)
+ options->use_login = 0;
+ if (options->compression == -1)
+ options->compression = 1;
+ if (options->allow_tcp_forwarding == -1)
+ options->allow_tcp_forwarding = 1;
+ if (options->gateway_ports == -1)
+ options->gateway_ports = 0;
+ if (options->max_startups == -1)
+ options->max_startups = 10;
+ if (options->max_startups_rate == -1)
+ options->max_startups_rate = 100; /* 100% */
+ if (options->max_startups_begin == -1)
+ options->max_startups_begin = options->max_startups;
+ if (options->verify_reverse_mapping == -1)
+ options->verify_reverse_mapping = 0;
+ if (options->client_alive_interval == -1)
+ options->client_alive_interval = 0;
+ if (options->client_alive_count_max == -1)
+ options->client_alive_count_max = 3;
+ if (options->authorized_keys_file2 == NULL) {
+ /* authorized_keys_file2 falls back to authorized_keys_file */
+ if (options->authorized_keys_file != NULL)
+ options->authorized_keys_file2 = options->authorized_keys_file;
+ else
+ options->authorized_keys_file2 = _PATH_SSH_USER_PERMITTED_KEYS2;
+ }
+ if (options->authorized_keys_file == NULL)
+ options->authorized_keys_file = _PATH_SSH_USER_PERMITTED_KEYS;
+
+ /* Turn privilege separation on by default */
+ if (use_privsep == -1)
+ use_privsep = 1;
+
+#ifndef HAVE_MMAP
+ if (use_privsep && options->compression == 1) {
+ error("This platform does not support both privilege "
+ "separation and compression");
+ error("Compression disabled");
+ options->compression = 0;
+ }
#endif
- if (options->permit_empty_passwd == -1)
- options->permit_empty_passwd = 1;
- 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
- sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
+typedef enum {
+ sBadOption, /* == unknown option */
+ /* Portable-specific options */
+ sPAMAuthenticationViaKbdInt,
+ /* Standard Options */
+ sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
+ sPermitRootLogin, sLogFacility, sLogLevel,
+ sRhostsAuthentication, sRhostsRSAAuthentication, sRSAAuthentication,
+#if defined(KRB4) || defined(KRB5)
+ sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
#endif
-#ifdef AFS
- sKerberosTgtPassing, sAFSTokenPassing,
+#if defined(AFS) || defined(KRB5)
+ sKerberosTgtPassing,
#endif
-#ifdef SKEY
- sSkeyAuthentication,
+#ifdef AFS
+ sAFSTokenPassing,
#endif
- sPasswordAuthentication, sListenAddress,
- sPrintMotd, sIgnoreRhosts, sX11Forwarding, sX11DisplayOffset,
- sStrictModes, sEmptyPasswd, sRandomSeedFile, sKeepAlives, sCheckMail,
- sUseLogin, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
- sIgnoreUserKnownHosts
+ sChallengeResponseAuthentication,
+ sPasswordAuthentication, sKbdInteractiveAuthentication, sListenAddress,
+ sPrintMotd, sPrintLastLog, sIgnoreRhosts,
+ sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost,
+ sStrictModes, sEmptyPasswd, sKeepAlives,
+ sPermitUserEnvironment, sUseLogin, sAllowTcpForwarding, sCompression,
+ sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
+ sIgnoreUserKnownHosts, sCiphers, sMacs, sProtocol, sPidFile,
+ sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem, sMaxStartups,
+ sBanner, sVerifyReverseMapping, sHostbasedAuthentication,
+ sHostbasedUsesNameFromPacketOnly, sClientAliveInterval,
+ sClientAliveCountMax, sAuthorizedKeysFile, sAuthorizedKeysFile2,
+ sUsePrivilegeSeparation,
+ sDeprecated
} 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
- { "kerberosauthentication", sKerberosAuthentication },
- { "kerberosorlocalpasswd", sKerberosOrLocalPasswd },
- { "kerberosticketcleanup", sKerberosTicketCleanup },
+static struct {
+ const char *name;
+ ServerOpCodes opcode;
+} keywords[] = {
+ /* Portable-specific options */
+ { "PAMAuthenticationViaKbdInt", sPAMAuthenticationViaKbdInt },
+ /* Standard Options */
+ { "port", sPort },
+ { "hostkey", sHostKeyFile },
+ { "hostdsakey", sHostKeyFile }, /* alias */
+ { "pidfile", sPidFile },
+ { "serverkeybits", sServerKeyBits },
+ { "logingracetime", sLoginGraceTime },
+ { "keyregenerationinterval", sKeyRegenerationTime },
+ { "permitrootlogin", sPermitRootLogin },
+ { "syslogfacility", sLogFacility },
+ { "loglevel", sLogLevel },
+ { "rhostsauthentication", sRhostsAuthentication },
+ { "rhostsrsaauthentication", sRhostsRSAAuthentication },
+ { "hostbasedauthentication", sHostbasedAuthentication },
+ { "hostbasedusesnamefrompacketonly", sHostbasedUsesNameFromPacketOnly },
+ { "rsaauthentication", sRSAAuthentication },
+ { "pubkeyauthentication", sPubkeyAuthentication },
+ { "dsaauthentication", sPubkeyAuthentication }, /* alias */
+#if defined(KRB4) || defined(KRB5)
+ { "kerberosauthentication", sKerberosAuthentication },
+ { "kerberosorlocalpasswd", sKerberosOrLocalPasswd },
+ { "kerberosticketcleanup", sKerberosTicketCleanup },
#endif
-#ifdef AFS
- { "kerberostgtpassing", sKerberosTgtPassing },
- { "afstokenpassing", sAFSTokenPassing },
+#if defined(AFS) || defined(KRB5)
+ { "kerberostgtpassing", sKerberosTgtPassing },
#endif
- { "passwordauthentication", sPasswordAuthentication },
-#ifdef SKEY
- { "skeyauthentication", sSkeyAuthentication },
+#ifdef AFS
+ { "afstokenpassing", sAFSTokenPassing },
#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 },
- { NULL, 0 }
+ { "passwordauthentication", sPasswordAuthentication },
+ { "kbdinteractiveauthentication", sKbdInteractiveAuthentication },
+ { "challengeresponseauthentication", sChallengeResponseAuthentication },
+ { "skeyauthentication", sChallengeResponseAuthentication }, /* alias */
+ { "checkmail", sDeprecated },
+ { "listenaddress", sListenAddress },
+ { "printmotd", sPrintMotd },
+ { "printlastlog", sPrintLastLog },
+ { "ignorerhosts", sIgnoreRhosts },
+ { "ignoreuserknownhosts", sIgnoreUserKnownHosts },
+ { "x11forwarding", sX11Forwarding },
+ { "x11displayoffset", sX11DisplayOffset },
+ { "x11uselocalhost", sX11UseLocalhost },
+ { "xauthlocation", sXAuthLocation },
+ { "strictmodes", sStrictModes },
+ { "permitemptypasswords", sEmptyPasswd },
+ { "permituserenvironment", sPermitUserEnvironment },
+ { "uselogin", sUseLogin },
+ { "compression", sCompression },
+ { "keepalive", sKeepAlives },
+ { "allowtcpforwarding", sAllowTcpForwarding },
+ { "allowusers", sAllowUsers },
+ { "denyusers", sDenyUsers },
+ { "allowgroups", sAllowGroups },
+ { "denygroups", sDenyGroups },
+ { "ciphers", sCiphers },
+ { "macs", sMacs },
+ { "protocol", sProtocol },
+ { "gatewayports", sGatewayPorts },
+ { "subsystem", sSubsystem },
+ { "maxstartups", sMaxStartups },
+ { "banner", sBanner },
+ { "verifyreversemapping", sVerifyReverseMapping },
+ { "reversemappingcheck", sVerifyReverseMapping },
+ { "clientaliveinterval", sClientAliveInterval },
+ { "clientalivecountmax", sClientAliveCountMax },
+ { "authorizedkeysfile", sAuthorizedKeysFile },
+ { "authorizedkeysfile2", sAuthorizedKeysFile2 },
+ { "useprivilegeseparation", sUsePrivilegeSeparation},
+ { NULL, sBadOption }
};
-/* Returns the number of the token pointed to by cp of length len.
- Never returns if the token is not known. */
+/*
+ * Returns the number of the token pointed to by cp or sBadOption.
+ */
-static ServerOpCodes parse_token(const char *cp, const char *filename,
- int linenum)
+static ServerOpCodes
+parse_token(const char *cp, const char *filename,
+ int linenum)
{
- unsigned int i;
+ u_int i;
- for (i = 0; keywords[i].name; i++)
- if (strcmp(cp, keywords[i].name) == 0)
- return keywords[i].opcode;
+ 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;
+ error("%s: line %d: Bad configuration option: %s",
+ filename, linenum, cp);
+ return sBadOption;
}
-/* Reads the server configuration file. */
+static void
+add_listen_addr(ServerOptions *options, char *addr, u_short port)
+{
+ int i;
+
+ if (options->num_ports == 0)
+ options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
+ if (port == 0)
+ for (i = 0; i < options->num_ports; i++)
+ add_one_listen_addr(options, addr, options->ports[i]);
+ else
+ add_one_listen_addr(options, addr, port);
+}
+
+static void
+add_one_listen_addr(ServerOptions *options, char *addr, u_short port)
+{
+ struct addrinfo hints, *ai, *aitop;
+ char strport[NI_MAXSERV];
+ int gaierr;
+
+ 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, "%u", port);
+ if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
+ fatal("bad addr or host: %s (%s)",
+ 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;
+}
-void read_server_config(ServerOptions *options, const char *filename)
+int
+process_server_config_line(ServerOptions *options, char *line,
+ const char *filename, int linenum)
{
- 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);
- {
- char *t = cp;
- for (; *t != 0; t++)
- if ('A' <= *t && *t <= 'Z')
- *t = *t - 'A' + 'a'; /* tolower */
-
- }
- opcode = parse_token(cp, filename, linenum);
- switch (opcode)
- {
+ char *cp, **charptr, *arg, *p;
+ int *intptr, value, i, n;
+ ServerOpCodes opcode;
+
+ cp = line;
+ arg = strdelim(&cp);
+ /* Ignore leading whitespace */
+ if (*arg == '\0')
+ arg = strdelim(&cp);
+ if (!arg || !*arg || *arg == '#')
+ return 0;
+ intptr = NULL;
+ charptr = NULL;
+ opcode = parse_token(arg, filename, linenum);
+ switch (opcode) {
+ /* Portable-specific options */
+ case sPAMAuthenticationViaKbdInt:
+ intptr = &options->pam_authentication_via_kbd_int;
+ goto parse_flag;
+
+ /* Standard Options */
case sBadOption:
- bad_options++;
- continue;
+ return -1;
case sPort:
- intptr = &options->port;
- parse_int:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- {
- fprintf(stderr, "%s line %d: missing integer value.\n",
- filename, linenum);
- exit(1);
- }
- value = atoi(cp);
- if (*intptr == -1)
- *intptr = value;
- break;
+ /* ignore ports from configfile if cmdline specifies ports */
+ if (options->ports_from_cmdline)
+ return 0;
+ if (options->listen_addrs != NULL)
+ fatal("%s line %d: ports must be specified before "
+ "ListenAddress.", filename, linenum);
+ if (options->num_ports >= MAX_PORTS)
+ fatal("%s line %d: too many ports.",
+ filename, linenum);
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing port number.",
+ filename, linenum);
+ options->ports[options->num_ports++] = a2port(arg);
+ if (options->ports[options->num_ports-1] == 0)
+ fatal("%s line %d: Badly formatted port number.",
+ filename, linenum);
+ break;
case sServerKeyBits:
- intptr = &options->server_key_bits;
- goto parse_int;
+ intptr = &options->server_key_bits;
+parse_int:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing integer value.",
+ filename, linenum);
+ value = atoi(arg);
+ if (*intptr == -1)
+ *intptr = value;
+ break;
case sLoginGraceTime:
- intptr = &options->login_grace_time;
- goto parse_int;
-
+ intptr = &options->login_grace_time;
+parse_time:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing time value.",
+ filename, linenum);
+ if ((value = convtime(arg)) == -1)
+ fatal("%s line %d: invalid time value.",
+ filename, linenum);
+ if (*intptr == -1)
+ *intptr = value;
+ break;
+
case sKeyRegenerationTime:
- intptr = &options->key_regeneration_time;
- goto parse_int;
+ intptr = &options->key_regeneration_time;
+ goto parse_time;
case sListenAddress:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- {
- fprintf(stderr, "%s line %d: missing inet addr.\n",
- filename, linenum);
- exit(1);
- }
- options->listen_addr.s_addr = inet_addr(cp);
- break;
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0' || strncmp(arg, "[]", 2) == 0)
+ fatal("%s line %d: missing inet addr.",
+ filename, linenum);
+ if (*arg == '[') {
+ if ((p = strchr(arg, ']')) == NULL)
+ fatal("%s line %d: bad ipv6 inet addr usage.",
+ filename, linenum);
+ arg++;
+ memmove(p, p+1, strlen(p+1)+1);
+ } else if (((p = strchr(arg, ':')) == NULL) ||
+ (strchr(p+1, ':') != NULL)) {
+ add_listen_addr(options, arg, 0);
+ break;
+ }
+ if (*p == ':') {
+ u_short port;
+
+ p++;
+ if (*p == '\0')
+ fatal("%s line %d: bad inet addr:port usage.",
+ filename, linenum);
+ else {
+ *(p-1) = '\0';
+ if ((port = a2port(p)) == 0)
+ fatal("%s line %d: bad port number.",
+ filename, linenum);
+ add_listen_addr(options, arg, port);
+ }
+ } else if (*p == '\0')
+ add_listen_addr(options, arg, 0);
+ else
+ fatal("%s line %d: bad inet addr usage.",
+ filename, linenum);
+ 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;
+ intptr = &options->num_host_key_files;
+ if (*intptr >= MAX_HOSTKEYS)
+ fatal("%s line %d: too many host keys specified (max %d).",
+ filename, linenum, MAX_HOSTKEYS);
+ charptr = &options->host_key_files[*intptr];
+parse_filename:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing file name.",
+ filename, linenum);
+ if (*charptr == NULL) {
+ *charptr = tilde_expand_filename(arg, getuid());
+ /* increase optional counter */
+ if (intptr != NULL)
+ *intptr = *intptr + 1;
+ }
+ break;
+
+ case sPidFile:
+ charptr = &options->pid_file;
+ goto parse_filename;
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;
+ intptr = &options->permit_root_login;
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing yes/"
+ "without-password/forced-commands-only/no "
+ "argument.", filename, linenum);
+ value = 0; /* silence compiler */
+ if (strcmp(arg, "without-password") == 0)
+ value = PERMIT_NO_PASSWD;
+ else if (strcmp(arg, "forced-commands-only") == 0)
+ value = PERMIT_FORCED_ONLY;
+ else if (strcmp(arg, "yes") == 0)
+ value = PERMIT_YES;
+ else if (strcmp(arg, "no") == 0)
+ value = PERMIT_NO;
+ else
+ fatal("%s line %d: Bad yes/"
+ "without-password/forced-commands-only/no "
+ "argument: %s", filename, linenum, arg);
+ 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;
+ intptr = &options->ignore_rhosts;
+parse_flag:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: missing yes/no argument.",
+ filename, linenum);
+ value = 0; /* silence compiler */
+ if (strcmp(arg, "yes") == 0)
+ value = 1;
+ else if (strcmp(arg, "no") == 0)
+ value = 0;
+ else
+ fatal("%s line %d: Bad yes/no argument: %s",
+ filename, linenum, arg);
+ if (*intptr == -1)
+ *intptr = value;
+ break;
case sIgnoreUserKnownHosts:
- intptr = &options->ignore_user_known_hosts;
- goto parse_int;
+ intptr = &options->ignore_user_known_hosts;
+ goto parse_flag;
case sRhostsAuthentication:
- intptr = &options->rhosts_authentication;
- goto parse_flag;
+ intptr = &options->rhosts_authentication;
+ goto parse_flag;
case sRhostsRSAAuthentication:
- intptr = &options->rhosts_rsa_authentication;
- goto parse_flag;
-
+ intptr = &options->rhosts_rsa_authentication;
+ goto parse_flag;
+
+ case sHostbasedAuthentication:
+ intptr = &options->hostbased_authentication;
+ goto parse_flag;
+
+ case sHostbasedUsesNameFromPacketOnly:
+ intptr = &options->hostbased_uses_name_from_packet_only;
+ goto parse_flag;
+
case sRSAAuthentication:
- intptr = &options->rsa_authentication;
- goto parse_flag;
-
-#ifdef KRB4
+ intptr = &options->rsa_authentication;
+ goto parse_flag;
+
+ case sPubkeyAuthentication:
+ intptr = &options->pubkey_authentication;
+ goto parse_flag;
+#if defined(KRB4) || defined(KRB5)
case sKerberosAuthentication:
- intptr = &options->kerberos_authentication;
- goto parse_flag;
-
- case sKerberosOrLocalPasswd:
- intptr = &options->kerberos_or_local_passwd;
- goto parse_flag;
+ intptr = &options->kerberos_authentication;
+ goto parse_flag;
+
+ case sKerberosOrLocalPasswd:
+ intptr = &options->kerberos_or_local_passwd;
+ goto parse_flag;
case sKerberosTicketCleanup:
- intptr = &options->kerberos_ticket_cleanup;
- goto parse_flag;
+ intptr = &options->kerberos_ticket_cleanup;
+ goto parse_flag;
#endif
-
-#ifdef AFS
+#if defined(AFS) || defined(KRB5)
case sKerberosTgtPassing:
- intptr = &options->kerberos_tgt_passing;
- goto parse_flag;
-
+ intptr = &options->kerberos_tgt_passing;
+ goto parse_flag;
+#endif
+#ifdef AFS
case sAFSTokenPassing:
- intptr = &options->afs_token_passing;
- goto parse_flag;
+ intptr = &options->afs_token_passing;
+ goto parse_flag;
#endif
case sPasswordAuthentication:
- intptr = &options->password_authentication;
- goto parse_flag;
+ intptr = &options->password_authentication;
+ goto parse_flag;
- case sCheckMail:
- intptr = &options->check_mail;
- goto parse_flag;
+ case sKbdInteractiveAuthentication:
+ intptr = &options->kbd_interactive_authentication;
+ goto parse_flag;
-#ifdef SKEY
- case sSkeyAuthentication:
- intptr = &options->skey_authentication;
- goto parse_flag;
-#endif
+ case sChallengeResponseAuthentication:
+ intptr = &options->challenge_response_authentication;
+ goto parse_flag;
case sPrintMotd:
- intptr = &options->print_motd;
- goto parse_flag;
+ intptr = &options->print_motd;
+ goto parse_flag;
+
+ case sPrintLastLog:
+ intptr = &options->print_lastlog;
+ goto parse_flag;
case sX11Forwarding:
- intptr = &options->x11_forwarding;
- goto parse_flag;
+ intptr = &options->x11_forwarding;
+ goto parse_flag;
case sX11DisplayOffset:
- intptr = &options->x11_display_offset;
- goto parse_int;
+ intptr = &options->x11_display_offset;
+ goto parse_int;
+
+ case sX11UseLocalhost:
+ intptr = &options->x11_use_localhost;
+ goto parse_flag;
+
+ case sXAuthLocation:
+ charptr = &options->xauth_location;
+ goto parse_filename;
case sStrictModes:
- intptr = &options->strict_modes;
- goto parse_flag;
+ intptr = &options->strict_modes;
+ goto parse_flag;
case sKeepAlives:
- intptr = &options->keepalives;
- goto parse_flag;
-
+ intptr = &options->keepalives;
+ goto parse_flag;
+
case sEmptyPasswd:
- intptr = &options->permit_empty_passwd;
- goto parse_flag;
+ intptr = &options->permit_empty_passwd;
+ goto parse_flag;
+
+ case sPermitUserEnvironment:
+ intptr = &options->permit_user_env;
+ goto parse_flag;
- case sUseLogin:
- intptr = &options->use_login;
- goto parse_flag;
+ case sUseLogin:
+ intptr = &options->use_login;
+ goto parse_flag;
+
+ case sCompression:
+ intptr = &options->compression;
+ goto parse_flag;
+
+ case sGatewayPorts:
+ intptr = &options->gateway_ports;
+ goto parse_flag;
+
+ case sVerifyReverseMapping:
+ intptr = &options->verify_reverse_mapping;
+ 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;
+ intptr = (int *) &options->log_facility;
+ arg = strdelim(&cp);
+ value = log_facility_number(arg);
+ if (value == SYSLOG_FACILITY_NOT_SET)
+ fatal("%.200s line %d: unsupported log facility '%s'",
+ filename, linenum, arg ? arg : "<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;
-
+ intptr = (int *) &options->log_level;
+ arg = strdelim(&cp);
+ value = log_level_number(arg);
+ if (value == SYSLOG_LEVEL_NOT_SET)
+ fatal("%.200s line %d: unsupported log level '%s'",
+ filename, linenum, arg ? arg : "<NONE>");
+ if (*intptr == -1)
+ *intptr = (LogLevel) value;
+ break;
+
+ case sAllowTcpForwarding:
+ intptr = &options->allow_tcp_forwarding;
+ goto parse_flag;
+
+ case sUsePrivilegeSeparation:
+ intptr = &use_privsep;
+ goto parse_flag;
+
case sAllowUsers:
- while ((cp = strtok(NULL, WHITESPACE)))
- {
- if (options->num_allow_users >= MAX_ALLOW_USERS)
- {
- fprintf(stderr, "%s line %d: too many allow users.\n",
- filename, linenum);
- exit(1);
+ while ((arg = strdelim(&cp)) && *arg != '\0') {
+ if (options->num_allow_users >= MAX_ALLOW_USERS)
+ fatal("%s line %d: too many allow users.",
+ filename, linenum);
+ options->allow_users[options->num_allow_users++] =
+ xstrdup(arg);
}
- options->allow_users[options->num_allow_users++] = xstrdup(cp);
- }
- break;
+ break;
case sDenyUsers:
- while ((cp = strtok(NULL, WHITESPACE)))
- {
- if (options->num_deny_users >= MAX_DENY_USERS)
- {
- fprintf(stderr, "%s line %d: too many deny users.\n",
- filename, linenum);
- exit(1);
+ while ((arg = strdelim(&cp)) && *arg != '\0') {
+ if (options->num_deny_users >= MAX_DENY_USERS)
+ fatal( "%s line %d: too many deny users.",
+ filename, linenum);
+ options->deny_users[options->num_deny_users++] =
+ xstrdup(arg);
}
- options->deny_users[options->num_deny_users++] = xstrdup(cp);
- }
- break;
+ break;
case sAllowGroups:
- while ((cp = strtok(NULL, WHITESPACE)))
- {
- if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
- {
- fprintf(stderr, "%s line %d: too many allow groups.\n",
- filename, linenum);
- exit(1);
+ while ((arg = strdelim(&cp)) && *arg != '\0') {
+ if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
+ fatal("%s line %d: too many allow groups.",
+ filename, linenum);
+ options->allow_groups[options->num_allow_groups++] =
+ xstrdup(arg);
}
- options->allow_groups[options->num_allow_groups++] = xstrdup(cp);
- }
- break;
+ break;
case sDenyGroups:
- while ((cp = strtok(NULL, WHITESPACE)))
- {
- if (options->num_deny_groups >= MAX_DENY_GROUPS)
- {
- fprintf(stderr, "%s line %d: too many deny groups.\n",
- filename, linenum);
- exit(1);
+ while ((arg = strdelim(&cp)) && *arg != '\0') {
+ if (options->num_deny_groups >= MAX_DENY_GROUPS)
+ fatal("%s line %d: too many deny groups.",
+ filename, linenum);
+ options->deny_groups[options->num_deny_groups++] = xstrdup(arg);
}
- options->deny_groups[options->num_deny_groups++] = xstrdup(cp);
- }
- break;
+ break;
+
+ case sCiphers:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing argument.", filename, linenum);
+ if (!ciphers_valid(arg))
+ fatal("%s line %d: Bad SSH2 cipher spec '%s'.",
+ filename, linenum, arg ? arg : "<NONE>");
+ if (options->ciphers == NULL)
+ options->ciphers = xstrdup(arg);
+ break;
+
+ case sMacs:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing argument.", filename, linenum);
+ if (!mac_valid(arg))
+ fatal("%s line %d: Bad SSH2 mac spec '%s'.",
+ filename, linenum, arg ? arg : "<NONE>");
+ if (options->macs == NULL)
+ options->macs = xstrdup(arg);
+ break;
+
+ case sProtocol:
+ intptr = &options->protocol;
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing argument.", filename, linenum);
+ value = proto_spec(arg);
+ if (value == SSH_PROTO_UNKNOWN)
+ fatal("%s line %d: Bad protocol spec '%s'.",
+ filename, linenum, arg ? arg : "<NONE>");
+ if (*intptr == SSH_PROTO_UNKNOWN)
+ *intptr = value;
+ break;
+
+ case sSubsystem:
+ if (options->num_subsystems >= MAX_SUBSYSTEMS) {
+ fatal("%s line %d: too many subsystems defined.",
+ filename, linenum);
+ }
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing subsystem name.",
+ filename, linenum);
+ for (i = 0; i < options->num_subsystems; i++)
+ if (strcmp(arg, options->subsystem_name[i]) == 0)
+ fatal("%s line %d: Subsystem '%s' already defined.",
+ filename, linenum, arg);
+ options->subsystem_name[options->num_subsystems] = xstrdup(arg);
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing subsystem command.",
+ filename, linenum);
+ options->subsystem_command[options->num_subsystems] = xstrdup(arg);
+ options->num_subsystems++;
+ break;
+
+ case sMaxStartups:
+ arg = strdelim(&cp);
+ if (!arg || *arg == '\0')
+ fatal("%s line %d: Missing MaxStartups spec.",
+ filename, linenum);
+ if ((n = sscanf(arg, "%d:%d:%d",
+ &options->max_startups_begin,
+ &options->max_startups_rate,
+ &options->max_startups)) == 3) {
+ if (options->max_startups_begin >
+ options->max_startups ||
+ options->max_startups_rate > 100 ||
+ options->max_startups_rate < 1)
+ fatal("%s line %d: Illegal MaxStartups spec.",
+ filename, linenum);
+ } else if (n != 1)
+ fatal("%s line %d: Illegal MaxStartups spec.",
+ filename, linenum);
+ else
+ options->max_startups = options->max_startups_begin;
+ break;
+
+ case sBanner:
+ charptr = &options->banner;
+ goto parse_filename;
+ /*
+ * These options can contain %X options expanded at
+ * connect time, so that you can specify paths like:
+ *
+ * AuthorizedKeysFile /etc/ssh_keys/%u
+ */
+ case sAuthorizedKeysFile:
+ case sAuthorizedKeysFile2:
+ charptr = (opcode == sAuthorizedKeysFile ) ?
+ &options->authorized_keys_file :
+ &options->authorized_keys_file2;
+ goto parse_filename;
+
+ case sClientAliveInterval:
+ intptr = &options->client_alive_interval;
+ goto parse_time;
+
+ case sClientAliveCountMax:
+ intptr = &options->client_alive_count_max;
+ goto parse_int;
+
+ case sDeprecated:
+ logit("%s line %d: Deprecated option %s",
+ filename, linenum, arg);
+ while (arg)
+ arg = strdelim(&cp);
+ break;
default:
- fprintf(stderr, "%s line %d: Missing handler for opcode %s (%d)\n",
- filename, linenum, cp, opcode);
- exit(1);
+ fatal("%s line %d: Missing handler for opcode %s (%d)",
+ filename, linenum, arg, opcode);
+ }
+ if ((arg = strdelim(&cp)) != NULL && *arg != '\0')
+ fatal("%s line %d: garbage at end of line; \"%.200s\".",
+ filename, linenum, arg);
+ return 0;
+}
+
+/* Reads the server configuration file. */
+
+void
+read_server_config(ServerOptions *options, const char *filename)
+{
+ int linenum, bad_options = 0;
+ char line[1024];
+ FILE *f;
+
+ debug2("read_server_config: filename %s", filename);
+ f = fopen(filename, "r");
+ if (!f) {
+ perror(filename);
+ exit(1);
}
- if (strtok(NULL, WHITESPACE) != NULL)
- {
- fprintf(stderr, "%s line %d: garbage at end of line.\n",
- filename, linenum);
- exit(1);
+ linenum = 0;
+ while (fgets(line, sizeof(line), f)) {
+ /* Update line number counter. */
+ linenum++;
+ if (process_server_config_line(options, line, filename, linenum) != 0)
+ bad_options++;
}
- }
- fclose(f);
- if (bad_options > 0) {
- fprintf(stderr, "%s: terminating, %d bad configuration options\n",
- filename, bad_options);
- exit(1);
- }
+ fclose(f);
+ if (bad_options > 0)
+ fatal("%s: terminating, %d bad configuration options",
+ filename, bad_options);
}
andersk / openssh.git / blobdiff