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Annotation of src/usr.bin/ssh/servconf.h, Revision 1.86

1.86    ! djm         1: /* $OpenBSD: servconf.h,v 1.85 2008/06/10 04:50:25 dtucker Exp $ */
1.54      stevesk     2:
1.1       deraadt     3: /*
1.13      deraadt     4:  * Author: Tatu Ylonen <ylo@cs.hut.fi>
                      5:  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
                      6:  *                    All rights reserved
                      7:  * Definitions for server configuration data and for the functions reading it.
1.18      markus      8:  *
1.28      deraadt     9:  * As far as I am concerned, the code I have written for this software
                     10:  * can be used freely for any purpose.  Any derived versions of this
                     11:  * software must be clearly marked as such, and if the derived work is
                     12:  * incompatible with the protocol description in the RFC file, it must be
                     13:  * called by a name other than "ssh" or "Secure Shell".
1.13      deraadt    14:  */
1.1       deraadt    15:
                     16: #ifndef SERVCONF_H
                     17: #define SERVCONF_H
1.70      djm        18:
1.15      markus     19: #define MAX_PORTS              256     /* Max # ports. */
                     20:
1.13      deraadt    21: #define MAX_ALLOW_USERS                256     /* Max # users on allow list. */
                     22: #define MAX_DENY_USERS         256     /* Max # users on deny list. */
                     23: #define MAX_ALLOW_GROUPS       256     /* Max # groups on allow list. */
                     24: #define MAX_DENY_GROUPS                256     /* Max # groups on deny list. */
1.24      jakob      25: #define MAX_SUBSYSTEMS         256     /* Max # subsystems. */
1.31      markus     26: #define MAX_HOSTKEYS           256     /* Max # hostkeys. */
1.68      djm        27: #define MAX_ACCEPT_ENV         256     /* Max # of env vars. */
1.79      dtucker    28: #define MAX_MATCH_GROUPS       256     /* Max # of groups for Match. */
1.13      deraadt    29:
1.38      markus     30: /* permit_root_login */
                     31: #define        PERMIT_NOT_SET          -1
                     32: #define        PERMIT_NO               0
                     33: #define        PERMIT_FORCED_ONLY      1
                     34: #define        PERMIT_NO_PASSWD        2
                     35: #define        PERMIT_YES              3
                     36:
1.69      dtucker    37: #define DEFAULT_AUTH_FAIL_MAX  6       /* Default for MaxAuthTries */
1.84      djm        38: #define DEFAULT_SESSIONS_MAX   10      /* Default for MaxSessions */
1.82      djm        39:
                     40: /* Magic name for internal sftp-server */
                     41: #define INTERNAL_SFTP_NAME     "internal-sftp"
1.38      markus     42:
1.13      deraadt    43: typedef struct {
1.32      markus     44:        u_int num_ports;
                     45:        u_int ports_from_cmdline;
1.15      markus     46:        u_short ports[MAX_PORTS];       /* Port number to listen on. */
                     47:        char   *listen_addr;            /* Address on which the server listens. */
                     48:        struct addrinfo *listen_addrs;  /* Addresses on which the server listens. */
1.71      djm        49:        int     address_family;         /* Address family used by the server. */
1.31      markus     50:        char   *host_key_files[MAX_HOSTKEYS];   /* Files containing host keys. */
                     51:        int     num_host_key_files;     /* Number of files for host keys. */
1.19      markus     52:        char   *pid_file;       /* Where to put our pid */
1.13      deraadt    53:        int     server_key_bits;/* Size of the server key. */
                     54:        int     login_grace_time;       /* Disconnect if no auth in this time
                     55:                                         * (sec). */
                     56:        int     key_regeneration_time;  /* Server key lifetime (seconds). */
1.38      markus     57:        int     permit_root_login;      /* PERMIT_*, see above */
1.13      deraadt    58:        int     ignore_rhosts;  /* Ignore .rhosts and .shosts. */
                     59:        int     ignore_user_known_hosts;        /* Ignore ~/.ssh/known_hosts
                     60:                                                 * for RhostsRsaAuth */
                     61:        int     print_motd;     /* If true, print /etc/motd. */
1.39      stevesk    62:        int     print_lastlog;  /* If true, print lastlog */
1.13      deraadt    63:        int     x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
                     64:        int     x11_display_offset;     /* What DISPLAY number to start
                     65:                                         * searching at */
1.52      stevesk    66:        int     x11_use_localhost;      /* If true, use localhost for fake X11 server. */
1.23      markus     67:        char   *xauth_location; /* Location of xauth program */
1.13      deraadt    68:        int     strict_modes;   /* If true, require string home dir modes. */
1.66      markus     69:        int     tcp_keep_alive; /* If true, set SO_KEEPALIVE. */
1.37      markus     70:        char   *ciphers;        /* Supported SSH2 ciphers. */
                     71:        char   *macs;           /* Supported SSH2 macs. */
                     72:        int     protocol;       /* Supported protocol versions. */
1.21      markus     73:        int     gateway_ports;  /* If true, allow remote connects to forwarded ports. */
1.13      deraadt    74:        SyslogFacility log_facility;    /* Facility for system logging. */
                     75:        LogLevel log_level;     /* Level for system logging. */
                     76:        int     rhosts_rsa_authentication;      /* If true, permit rhosts RSA
                     77:                                                 * authentication. */
1.40      markus     78:        int     hostbased_authentication;       /* If true, permit ssh2 hostbased auth */
                     79:        int     hostbased_uses_name_from_packet_only; /* experimental */
1.13      deraadt    80:        int     rsa_authentication;     /* If true, permit RSA authentication. */
1.31      markus     81:        int     pubkey_authentication;  /* If true, permit ssh2 pubkey authentication. */
1.13      deraadt    82:        int     kerberos_authentication;        /* If true, permit Kerberos
                     83:                                                 * authentication. */
                     84:        int     kerberos_or_local_passwd;       /* If true, permit kerberos
                     85:                                                 * and any other password
                     86:                                                 * authentication mechanism,
                     87:                                                 * such as SecurID or
                     88:                                                 * /etc/passwd */
                     89:        int     kerberos_ticket_cleanup;        /* If true, destroy ticket
                     90:                                                 * file on logout. */
1.67      jakob      91:        int     kerberos_get_afs_token;         /* If true, try to get AFS token if
                     92:                                                 * authenticated with Kerberos. */
1.64      markus     93:        int     gss_authentication;     /* If true, permit GSSAPI authentication */
                     94:        int     gss_cleanup_creds;      /* If true, destroy cred cache on logout */
1.13      deraadt    95:        int     password_authentication;        /* If true, permit password
                     96:                                                 * authentication. */
1.29      markus     97:        int     kbd_interactive_authentication; /* If true, permit */
1.42      markus     98:        int     challenge_response_authentication;
1.86    ! djm        99:        int     zero_knowledge_password_authentication;
        !           100:                                        /* If true, permit jpake auth */
1.13      deraadt   101:        int     permit_empty_passwd;    /* If false, do not permit empty
                    102:                                         * passwords. */
1.59      markus    103:        int     permit_user_env;        /* If true, read ~/.ssh/environment */
1.13      deraadt   104:        int     use_login;      /* If true, login(1) is used */
1.58      markus    105:        int     compression;    /* If true, compression is allowed */
1.30      markus    106:        int     allow_tcp_forwarding;
1.83      pyr       107:        int     allow_agent_forwarding;
1.32      markus    108:        u_int num_allow_users;
1.13      deraadt   109:        char   *allow_users[MAX_ALLOW_USERS];
1.32      markus    110:        u_int num_deny_users;
1.13      deraadt   111:        char   *deny_users[MAX_DENY_USERS];
1.32      markus    112:        u_int num_allow_groups;
1.13      deraadt   113:        char   *allow_groups[MAX_ALLOW_GROUPS];
1.32      markus    114:        u_int num_deny_groups;
1.13      deraadt   115:        char   *deny_groups[MAX_DENY_GROUPS];
1.24      jakob     116:
1.32      markus    117:        u_int num_subsystems;
1.24      jakob     118:        char   *subsystem_name[MAX_SUBSYSTEMS];
                    119:        char   *subsystem_command[MAX_SUBSYSTEMS];
1.74      djm       120:        char   *subsystem_args[MAX_SUBSYSTEMS];
1.68      djm       121:
                    122:        u_int num_accept_env;
                    123:        char   *accept_env[MAX_ACCEPT_ENV];
1.26      markus    124:
1.27      markus    125:        int     max_startups_begin;
                    126:        int     max_startups_rate;
1.26      markus    127:        int     max_startups;
1.69      dtucker   128:        int     max_authtries;
1.84      djm       129:        int     max_sessions;
1.33      markus    130:        char   *banner;                 /* SSH-2 banner message */
1.61      markus    131:        int     use_dns;
1.41      beck      132:        int     client_alive_interval;  /*
1.51      deraadt   133:                                         * poke the client this often to
                    134:                                         * see if it's still there
1.41      beck      135:                                         */
                    136:        int     client_alive_count_max; /*
1.49      stevesk   137:                                         * If the client is unresponsive
                    138:                                         * for this many intervals above,
1.51      deraadt   139:                                         * disconnect the session
1.41      beck      140:                                         */
1.43      markus    141:
1.44      markus    142:        char   *authorized_keys_file;   /* File containing public keys */
                    143:        char   *authorized_keys_file2;
1.76      dtucker   144:
                    145:        char   *adm_forced_command;
1.72      reyk      146:
                    147:        int     permit_tun;
1.77      dtucker   148:
                    149:        int     num_permitted_opens;
1.81      djm       150:
                    151:        char   *chroot_directory;
1.13      deraadt   152: }       ServerOptions;
1.1       deraadt   153:
1.47      markus    154: void    initialize_server_options(ServerOptions *);
                    155: void    fill_default_server_options(ServerOptions *);
1.75      dtucker   156: int     process_server_config_line(ServerOptions *, char *, const char *, int,
                    157:             int *, const char *, const char *, const char *);
1.70      djm       158: void    load_server_config(const char *, Buffer *);
1.75      dtucker   159: void    parse_server_config(ServerOptions *, const char *, Buffer *,
                    160:             const char *, const char *, const char *);
                    161: void    parse_server_match_config(ServerOptions *, const char *, const char *,
                    162:             const char *);
1.80      dtucker   163: void    copy_set_server_options(ServerOptions *, ServerOptions *, int);
1.85      dtucker   164: void    dump_config(ServerOptions *);
1.1       deraadt   165:
1.13      deraadt   166: #endif                         /* SERVCONF_H */