1f5cfca3e6
with openssh tree to ease future upgrade. re-do local changes, including: - prototype pedants - IgnoreRootRhosts - login.conf user validation some of the local changes that weren't used are omitted for now. we may need to revisit those afterwards. it adds "sftp".
748 lines
21 KiB
C
748 lines
21 KiB
C
/*
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#include "includes.h"
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RCSID("$OpenBSD: servconf.c,v 1.65 2001/02/04 15:32:24 stevesk Exp $");
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#ifdef KRB4
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#include <krb.h>
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#endif
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#ifdef AFS
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#include <kafs.h>
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#endif
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#include "ssh.h"
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#include "log.h"
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#include "servconf.h"
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#include "xmalloc.h"
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#include "compat.h"
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#include "pathnames.h"
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#include "tildexpand.h"
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#include "misc.h"
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#include "cipher.h"
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/* add listen address */
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void add_listen_addr(ServerOptions *options, char *addr);
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/* AF_UNSPEC or AF_INET or AF_INET6 */
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extern int IPv4or6;
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/* Initializes the server options to their default values. */
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void
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initialize_server_options(ServerOptions *options)
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{
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memset(options, 0, sizeof(*options));
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options->num_ports = 0;
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options->ports_from_cmdline = 0;
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options->listen_addrs = NULL;
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options->num_host_key_files = 0;
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options->pid_file = NULL;
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options->server_key_bits = -1;
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options->login_grace_time = -1;
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options->key_regeneration_time = -1;
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options->permit_root_login = -1;
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options->ignore_rhosts = -1;
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options->ignore_root_rhosts = -1;
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options->ignore_user_known_hosts = -1;
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options->print_motd = -1;
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options->check_mail = -1;
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options->x11_forwarding = -1;
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options->x11_display_offset = -1;
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options->xauth_location = NULL;
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options->strict_modes = -1;
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options->keepalives = -1;
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options->log_facility = (SyslogFacility) - 1;
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options->log_level = (LogLevel) - 1;
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options->rhosts_authentication = -1;
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options->rhosts_rsa_authentication = -1;
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options->rsa_authentication = -1;
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options->pubkey_authentication = -1;
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#ifdef KRB4
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options->kerberos_authentication = -1;
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options->kerberos_or_local_passwd = -1;
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options->kerberos_ticket_cleanup = -1;
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#endif
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#ifdef AFS
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options->kerberos_tgt_passing = -1;
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options->afs_token_passing = -1;
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#endif
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options->password_authentication = -1;
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options->kbd_interactive_authentication = -1;
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options->challenge_reponse_authentication = -1;
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options->permit_empty_passwd = -1;
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options->use_login = -1;
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options->allow_tcp_forwarding = -1;
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options->num_allow_users = 0;
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options->num_deny_users = 0;
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options->num_allow_groups = 0;
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options->num_deny_groups = 0;
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options->ciphers = NULL;
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options->protocol = SSH_PROTO_UNKNOWN;
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options->gateway_ports = -1;
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options->num_subsystems = 0;
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options->max_startups_begin = -1;
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options->max_startups_rate = -1;
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options->max_startups = -1;
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options->banner = NULL;
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options->reverse_mapping_check = -1;
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}
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void
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fill_default_server_options(ServerOptions *options)
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{
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if (options->protocol == SSH_PROTO_UNKNOWN)
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options->protocol = SSH_PROTO_1|SSH_PROTO_2;
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if (options->num_host_key_files == 0) {
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/* fill default hostkeys for protocols */
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if (options->protocol & SSH_PROTO_1)
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options->host_key_files[options->num_host_key_files++] = _PATH_HOST_KEY_FILE;
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if (options->protocol & SSH_PROTO_2)
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options->host_key_files[options->num_host_key_files++] = _PATH_HOST_DSA_KEY_FILE;
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}
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if (options->num_ports == 0)
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options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
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if (options->listen_addrs == NULL)
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add_listen_addr(options, NULL);
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if (options->pid_file == NULL)
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options->pid_file = _PATH_SSH_DAEMON_PID_FILE;
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if (options->server_key_bits == -1)
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options->server_key_bits = 768;
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if (options->login_grace_time == -1)
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options->login_grace_time = 600;
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if (options->key_regeneration_time == -1)
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options->key_regeneration_time = 3600;
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if (options->permit_root_login == -1)
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options->permit_root_login = 1; /* yes */
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if (options->ignore_rhosts == -1)
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options->ignore_rhosts = 1;
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if (options->ignore_root_rhosts == -1)
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options->ignore_root_rhosts = options->ignore_rhosts;
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if (options->ignore_user_known_hosts == -1)
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options->ignore_user_known_hosts = 0;
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if (options->check_mail == -1)
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options->check_mail = 0;
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if (options->print_motd == -1)
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options->print_motd = 1;
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if (options->x11_forwarding == -1)
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options->x11_forwarding = 0;
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if (options->x11_display_offset == -1)
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options->x11_display_offset = 10;
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#ifdef XAUTH_PATH
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if (options->xauth_location == NULL)
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options->xauth_location = XAUTH_PATH;
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#endif /* XAUTH_PATH */
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if (options->strict_modes == -1)
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options->strict_modes = 1;
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if (options->keepalives == -1)
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options->keepalives = 1;
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if (options->log_facility == (SyslogFacility) (-1))
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options->log_facility = SYSLOG_FACILITY_AUTH;
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if (options->log_level == (LogLevel) (-1))
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options->log_level = SYSLOG_LEVEL_INFO;
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if (options->rhosts_authentication == -1)
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options->rhosts_authentication = 0;
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if (options->rhosts_rsa_authentication == -1)
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options->rhosts_rsa_authentication = 0;
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if (options->rsa_authentication == -1)
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options->rsa_authentication = 1;
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if (options->pubkey_authentication == -1)
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options->pubkey_authentication = 1;
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#ifdef KRB4
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if (options->kerberos_authentication == -1)
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options->kerberos_authentication = (access(KEYFILE, R_OK) == 0);
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if (options->kerberos_or_local_passwd == -1)
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options->kerberos_or_local_passwd = 1;
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if (options->kerberos_ticket_cleanup == -1)
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options->kerberos_ticket_cleanup = 1;
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#endif /* KRB4 */
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#ifdef AFS
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if (options->kerberos_tgt_passing == -1)
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options->kerberos_tgt_passing = 0;
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if (options->afs_token_passing == -1)
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options->afs_token_passing = k_hasafs();
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#endif /* AFS */
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if (options->password_authentication == -1)
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options->password_authentication = 1;
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if (options->kbd_interactive_authentication == -1)
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options->kbd_interactive_authentication = 0;
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if (options->challenge_reponse_authentication == -1)
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options->challenge_reponse_authentication = 1;
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if (options->permit_empty_passwd == -1)
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options->permit_empty_passwd = 0;
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if (options->use_login == -1)
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options->use_login = 0;
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if (options->allow_tcp_forwarding == -1)
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options->allow_tcp_forwarding = 1;
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if (options->gateway_ports == -1)
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options->gateway_ports = 0;
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if (options->max_startups == -1)
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options->max_startups = 10;
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if (options->max_startups_rate == -1)
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options->max_startups_rate = 100; /* 100% */
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if (options->max_startups_begin == -1)
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options->max_startups_begin = options->max_startups;
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if (options->reverse_mapping_check == -1)
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options->reverse_mapping_check = 0;
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}
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/* Keyword tokens. */
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typedef enum {
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sBadOption, /* == unknown option */
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sPort, sHostKeyFile, sServerKeyBits, sLoginGraceTime, sKeyRegenerationTime,
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sPermitRootLogin, sLogFacility, sLogLevel,
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sRhostsAuthentication, sRhostsRSAAuthentication, sRSAAuthentication,
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#ifdef KRB4
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sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
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#endif
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#ifdef AFS
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sKerberosTgtPassing, sAFSTokenPassing,
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#endif
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sChallengeResponseAuthentication,
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sPasswordAuthentication, sKbdInteractiveAuthentication, sListenAddress,
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sPrintMotd, sIgnoreRhosts, sX11Forwarding, sX11DisplayOffset,
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sStrictModes, sEmptyPasswd, sRandomSeedFile, sKeepAlives, sCheckMail,
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sUseLogin, sAllowTcpForwarding,
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sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
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sIgnoreUserKnownHosts, sCiphers, sProtocol, sPidFile,
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sGatewayPorts, sPubkeyAuthentication, sXAuthLocation, sSubsystem, sMaxStartups,
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sBanner, sReverseMappingCheck,
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sIgnoreRootRhosts
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} ServerOpCodes;
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/* Textual representation of the tokens. */
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static struct {
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const char *name;
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ServerOpCodes opcode;
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} keywords[] = {
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{ "port", sPort },
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{ "hostkey", sHostKeyFile },
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{ "hostdsakey", sHostKeyFile }, /* alias */
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{ "pidfile", sPidFile },
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{ "serverkeybits", sServerKeyBits },
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{ "logingracetime", sLoginGraceTime },
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{ "keyregenerationinterval", sKeyRegenerationTime },
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{ "permitrootlogin", sPermitRootLogin },
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{ "syslogfacility", sLogFacility },
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{ "loglevel", sLogLevel },
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{ "rhostsauthentication", sRhostsAuthentication },
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{ "rhostsrsaauthentication", sRhostsRSAAuthentication },
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{ "rsaauthentication", sRSAAuthentication },
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{ "pubkeyauthentication", sPubkeyAuthentication },
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{ "dsaauthentication", sPubkeyAuthentication }, /* alias */
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#ifdef KRB4
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{ "kerberosauthentication", sKerberosAuthentication },
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{ "kerberosorlocalpasswd", sKerberosOrLocalPasswd },
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{ "kerberosticketcleanup", sKerberosTicketCleanup },
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#endif
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#ifdef AFS
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{ "kerberostgtpassing", sKerberosTgtPassing },
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{ "afstokenpassing", sAFSTokenPassing },
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#endif
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{ "passwordauthentication", sPasswordAuthentication },
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{ "kbdinteractiveauthentication", sKbdInteractiveAuthentication },
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{ "challengeresponseauthentication", sChallengeResponseAuthentication },
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{ "skeyauthentication", sChallengeResponseAuthentication }, /* alias */
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{ "checkmail", sCheckMail },
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{ "listenaddress", sListenAddress },
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{ "printmotd", sPrintMotd },
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{ "ignorerhosts", sIgnoreRhosts },
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{ "ignorerootrhosts", sIgnoreRootRhosts },
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{ "ignoreuserknownhosts", sIgnoreUserKnownHosts },
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{ "x11forwarding", sX11Forwarding },
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{ "x11displayoffset", sX11DisplayOffset },
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{ "xauthlocation", sXAuthLocation },
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{ "strictmodes", sStrictModes },
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{ "permitemptypasswords", sEmptyPasswd },
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{ "uselogin", sUseLogin },
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{ "randomseed", sRandomSeedFile },
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{ "keepalive", sKeepAlives },
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{ "allowtcpforwarding", sAllowTcpForwarding },
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{ "allowusers", sAllowUsers },
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{ "denyusers", sDenyUsers },
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{ "allowgroups", sAllowGroups },
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{ "denygroups", sDenyGroups },
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{ "ciphers", sCiphers },
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{ "protocol", sProtocol },
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{ "gatewayports", sGatewayPorts },
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{ "subsystem", sSubsystem },
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{ "maxstartups", sMaxStartups },
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{ "banner", sBanner },
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{ "reversemappingcheck", sReverseMappingCheck },
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{ NULL, 0 }
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};
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/*
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* Returns the number of the token pointed to by cp of length len. Never
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* returns if the token is not known.
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*/
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static ServerOpCodes
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parse_token(const char *cp, const char *filename,
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int linenum)
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{
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u_int i;
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for (i = 0; keywords[i].name; i++)
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if (strcasecmp(cp, keywords[i].name) == 0)
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return keywords[i].opcode;
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fprintf(stderr, "%s: line %d: Bad configuration option: %s\n",
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filename, linenum, cp);
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return sBadOption;
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}
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/*
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* add listen address
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*/
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void
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add_listen_addr(ServerOptions *options, char *addr)
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{
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struct addrinfo hints, *ai, *aitop;
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char strport[NI_MAXSERV];
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int gaierr;
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int i;
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if (options->num_ports == 0)
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options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
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for (i = 0; i < options->num_ports; i++) {
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = IPv4or6;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
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snprintf(strport, sizeof strport, "%d", options->ports[i]);
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if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
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fatal("bad addr or host: %s (%s)\n",
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addr ? addr : "<NULL>",
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gai_strerror(gaierr));
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for (ai = aitop; ai->ai_next; ai = ai->ai_next)
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;
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ai->ai_next = options->listen_addrs;
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options->listen_addrs = aitop;
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}
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}
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/* Reads the server configuration file. */
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void
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read_server_config(ServerOptions *options, const char *filename)
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{
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FILE *f;
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char line[1024];
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char *cp, **charptr, *arg;
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int linenum, *intptr, value;
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int bad_options = 0;
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ServerOpCodes opcode;
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int i;
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f = fopen(filename, "r");
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if (!f) {
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perror(filename);
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exit(1);
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}
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linenum = 0;
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while (fgets(line, sizeof(line), f)) {
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linenum++;
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cp = line;
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arg = strdelim(&cp);
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/* Ignore leading whitespace */
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if (*arg == '\0')
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arg = strdelim(&cp);
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if (!arg || !*arg || *arg == '#')
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continue;
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intptr = NULL;
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charptr = NULL;
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opcode = parse_token(arg, filename, linenum);
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switch (opcode) {
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case sBadOption:
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bad_options++;
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continue;
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case sPort:
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/* ignore ports from configfile if cmdline specifies ports */
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if (options->ports_from_cmdline)
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continue;
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if (options->listen_addrs != NULL)
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fatal("%s line %d: ports must be specified before "
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"ListenAdress.\n", filename, linenum);
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if (options->num_ports >= MAX_PORTS)
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fatal("%s line %d: too many ports.\n",
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filename, linenum);
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arg = strdelim(&cp);
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if (!arg || *arg == '\0')
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fatal("%s line %d: missing port number.\n",
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filename, linenum);
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options->ports[options->num_ports++] = atoi(arg);
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break;
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case sServerKeyBits:
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intptr = &options->server_key_bits;
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parse_int:
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arg = strdelim(&cp);
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if (!arg || *arg == '\0') {
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fprintf(stderr, "%s line %d: missing integer value.\n",
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filename, linenum);
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exit(1);
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}
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value = atoi(arg);
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if (*intptr == -1)
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*intptr = value;
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break;
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case sLoginGraceTime:
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intptr = &options->login_grace_time;
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goto parse_int;
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case sKeyRegenerationTime:
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intptr = &options->key_regeneration_time;
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goto parse_int;
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case sListenAddress:
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arg = strdelim(&cp);
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if (!arg || *arg == '\0')
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fatal("%s line %d: missing inet addr.\n",
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filename, linenum);
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add_listen_addr(options, arg);
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break;
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case sHostKeyFile:
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intptr = &options->num_host_key_files;
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if (*intptr >= MAX_HOSTKEYS) {
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fprintf(stderr, "%s line %d: to many host keys specified (max %d).\n",
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filename, linenum, MAX_HOSTKEYS);
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exit(1);
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}
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charptr = &options->host_key_files[*intptr];
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parse_filename:
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arg = strdelim(&cp);
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if (!arg || *arg == '\0') {
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fprintf(stderr, "%s line %d: missing file name.\n",
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filename, linenum);
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exit(1);
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}
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if (*charptr == NULL) {
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*charptr = tilde_expand_filename(arg, getuid());
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/* increase optional counter */
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if (intptr != NULL)
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*intptr = *intptr + 1;
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}
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break;
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case sPidFile:
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charptr = &options->pid_file;
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goto parse_filename;
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case sRandomSeedFile:
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fprintf(stderr, "%s line %d: \"randomseed\" option is obsolete.\n",
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filename, linenum);
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arg = strdelim(&cp);
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break;
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case sPermitRootLogin:
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intptr = &options->permit_root_login;
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arg = strdelim(&cp);
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if (!arg || *arg == '\0') {
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fprintf(stderr, "%s line %d: missing yes/without-password/no argument.\n",
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filename, linenum);
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exit(1);
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}
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if (strcmp(arg, "without-password") == 0)
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value = 2;
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else if (strcmp(arg, "yes") == 0)
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value = 1;
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else if (strcmp(arg, "no") == 0)
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value = 0;
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else {
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fprintf(stderr, "%s line %d: Bad yes/without-password/no argument: %s\n",
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filename, linenum, arg);
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exit(1);
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}
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if (*intptr == -1)
|
|
*intptr = value;
|
|
break;
|
|
|
|
case sIgnoreRhosts:
|
|
intptr = &options->ignore_rhosts;
|
|
parse_flag:
|
|
arg = strdelim(&cp);
|
|
if (!arg || *arg == '\0') {
|
|
fprintf(stderr, "%s line %d: missing yes/no argument.\n",
|
|
filename, linenum);
|
|
exit(1);
|
|
}
|
|
if (strcmp(arg, "yes") == 0)
|
|
value = 1;
|
|
else if (strcmp(arg, "no") == 0)
|
|
value = 0;
|
|
else {
|
|
fprintf(stderr, "%s line %d: Bad yes/no argument: %s\n",
|
|
filename, linenum, arg);
|
|
exit(1);
|
|
}
|
|
if (*intptr == -1)
|
|
*intptr = value;
|
|
break;
|
|
|
|
case sIgnoreRootRhosts:
|
|
intptr = &options->ignore_root_rhosts;
|
|
goto parse_flag;
|
|
|
|
case sIgnoreUserKnownHosts:
|
|
intptr = &options->ignore_user_known_hosts;
|
|
goto parse_flag;
|
|
|
|
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;
|
|
|
|
case sPubkeyAuthentication:
|
|
intptr = &options->pubkey_authentication;
|
|
goto parse_flag;
|
|
|
|
#ifdef KRB4
|
|
case sKerberosAuthentication:
|
|
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;
|
|
#endif
|
|
|
|
#ifdef AFS
|
|
case sKerberosTgtPassing:
|
|
intptr = &options->kerberos_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 sKbdInteractiveAuthentication:
|
|
intptr = &options->kbd_interactive_authentication;
|
|
goto parse_flag;
|
|
|
|
case sCheckMail:
|
|
intptr = &options->check_mail;
|
|
goto parse_flag;
|
|
|
|
case sChallengeResponseAuthentication:
|
|
intptr = &options->challenge_reponse_authentication;
|
|
goto parse_flag;
|
|
|
|
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 sXAuthLocation:
|
|
charptr = &options->xauth_location;
|
|
goto parse_filename;
|
|
|
|
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 sGatewayPorts:
|
|
intptr = &options->gateway_ports;
|
|
goto parse_flag;
|
|
|
|
case sReverseMappingCheck:
|
|
intptr = &options->reverse_mapping_check;
|
|
goto parse_flag;
|
|
|
|
case sLogFacility:
|
|
intptr = (int *) &options->log_facility;
|
|
arg = strdelim(&cp);
|
|
value = log_facility_number(arg);
|
|
if (value == (SyslogFacility) - 1)
|
|
fatal("%.200s line %d: unsupported log facility '%s'\n",
|
|
filename, linenum, arg ? arg : "<NONE>");
|
|
if (*intptr == -1)
|
|
*intptr = (SyslogFacility) value;
|
|
break;
|
|
|
|
case sLogLevel:
|
|
intptr = (int *) &options->log_level;
|
|
arg = strdelim(&cp);
|
|
value = log_level_number(arg);
|
|
if (value == (LogLevel) - 1)
|
|
fatal("%.200s line %d: unsupported log level '%s'\n",
|
|
filename, linenum, arg ? arg : "<NONE>");
|
|
if (*intptr == -1)
|
|
*intptr = (LogLevel) value;
|
|
break;
|
|
|
|
case sAllowTcpForwarding:
|
|
intptr = &options->allow_tcp_forwarding;
|
|
goto parse_flag;
|
|
|
|
case sAllowUsers:
|
|
while ((arg = strdelim(&cp)) && *arg != '\0') {
|
|
if (options->num_allow_users >= MAX_ALLOW_USERS)
|
|
fatal("%s line %d: too many allow users.\n",
|
|
filename, linenum);
|
|
options->allow_users[options->num_allow_users++] = xstrdup(arg);
|
|
}
|
|
break;
|
|
|
|
case sDenyUsers:
|
|
while ((arg = strdelim(&cp)) && *arg != '\0') {
|
|
if (options->num_deny_users >= MAX_DENY_USERS)
|
|
fatal( "%s line %d: too many deny users.\n",
|
|
filename, linenum);
|
|
options->deny_users[options->num_deny_users++] = xstrdup(arg);
|
|
}
|
|
break;
|
|
|
|
case sAllowGroups:
|
|
while ((arg = strdelim(&cp)) && *arg != '\0') {
|
|
if (options->num_allow_groups >= MAX_ALLOW_GROUPS)
|
|
fatal("%s line %d: too many allow groups.\n",
|
|
filename, linenum);
|
|
options->allow_groups[options->num_allow_groups++] = xstrdup(arg);
|
|
}
|
|
break;
|
|
|
|
case sDenyGroups:
|
|
while ((arg = strdelim(&cp)) && *arg != '\0') {
|
|
if (options->num_deny_groups >= MAX_DENY_GROUPS)
|
|
fatal("%s line %d: too many deny groups.\n",
|
|
filename, linenum);
|
|
options->deny_groups[options->num_deny_groups++] = xstrdup(arg);
|
|
}
|
|
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 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 (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);
|
|
break;
|
|
}
|
|
intptr = &options->max_startups;
|
|
goto parse_int;
|
|
|
|
case sBanner:
|
|
charptr = &options->banner;
|
|
goto parse_filename;
|
|
|
|
default:
|
|
fprintf(stderr, "%s line %d: Missing handler for opcode %s (%d)\n",
|
|
filename, linenum, arg, opcode);
|
|
exit(1);
|
|
}
|
|
if ((arg = strdelim(&cp)) != NULL && *arg != '\0') {
|
|
fprintf(stderr,
|
|
"%s line %d: garbage at end of line; \"%.200s\".\n",
|
|
filename, linenum, arg);
|
|
exit(1);
|
|
}
|
|
}
|
|
fclose(f);
|
|
if (bad_options > 0) {
|
|
fprintf(stderr, "%s: terminating, %d bad configuration options\n",
|
|
filename, bad_options);
|
|
exit(1);
|
|
}
|
|
}
|