| 1 | /* $OpenBSD: servconf.h,v 1.59 2002/07/30 17:03:55 markus Exp $ */ |
| 2 | /* $FreeBSD: src/crypto/openssh/servconf.h,v 1.3.2.7 2003/02/03 17:31:07 des Exp $ */ |
| 3 | /* $DragonFly: src/crypto/openssh/Attic/servconf.h,v 1.2 2003/06/17 04:24:36 dillon Exp $ */ |
| 4 | |
| 5 | /* |
| 6 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 8 | * All rights reserved |
| 9 | * Definitions for server configuration data and for the functions reading it. |
| 10 | * |
| 11 | * As far as I am concerned, the code I have written for this software |
| 12 | * can be used freely for any purpose. Any derived versions of this |
| 13 | * software must be clearly marked as such, and if the derived work is |
| 14 | * incompatible with the protocol description in the RFC file, it must be |
| 15 | * called by a name other than "ssh" or "Secure Shell". |
| 16 | */ |
| 17 | |
| 18 | #ifndef SERVCONF_H |
| 19 | #define SERVCONF_H |
| 20 | |
| 21 | #define MAX_PORTS 256 /* Max # ports. */ |
| 22 | |
| 23 | #define MAX_ALLOW_USERS 256 /* Max # users on allow list. */ |
| 24 | #define MAX_DENY_USERS 256 /* Max # users on deny list. */ |
| 25 | #define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */ |
| 26 | #define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */ |
| 27 | #define MAX_SUBSYSTEMS 256 /* Max # subsystems. */ |
| 28 | #define MAX_HOSTKEYS 256 /* Max # hostkeys. */ |
| 29 | |
| 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 | |
| 37 | |
| 38 | typedef struct { |
| 39 | u_int num_ports; |
| 40 | u_int ports_from_cmdline; |
| 41 | u_short ports[MAX_PORTS]; /* Port number to listen on. */ |
| 42 | char *listen_addr; /* Address on which the server listens. */ |
| 43 | struct addrinfo *listen_addrs; /* Addresses on which the server listens. */ |
| 44 | char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ |
| 45 | int num_host_key_files; /* Number of files for host keys. */ |
| 46 | char *pid_file; /* Where to put our pid */ |
| 47 | int server_key_bits;/* Size of the server key. */ |
| 48 | int login_grace_time; /* Disconnect if no auth in this time |
| 49 | * (sec). */ |
| 50 | int key_regeneration_time; /* Server key lifetime (seconds). */ |
| 51 | int permit_root_login; /* PERMIT_*, see above */ |
| 52 | int ignore_rhosts; /* Ignore .rhosts and .shosts. */ |
| 53 | int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts |
| 54 | * for RhostsRsaAuth */ |
| 55 | int print_motd; /* If true, print /etc/motd. */ |
| 56 | int print_lastlog; /* If true, print lastlog */ |
| 57 | int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ |
| 58 | int x11_display_offset; /* What DISPLAY number to start |
| 59 | * searching at */ |
| 60 | int x11_use_localhost; /* If true, use localhost for fake X11 server. */ |
| 61 | char *xauth_location; /* Location of xauth program */ |
| 62 | int strict_modes; /* If true, require string home dir modes. */ |
| 63 | int keepalives; /* If true, set SO_KEEPALIVE. */ |
| 64 | char *ciphers; /* Supported SSH2 ciphers. */ |
| 65 | char *macs; /* Supported SSH2 macs. */ |
| 66 | int protocol; /* Supported protocol versions. */ |
| 67 | int gateway_ports; /* If true, allow remote connects to forwarded ports. */ |
| 68 | SyslogFacility log_facility; /* Facility for system logging. */ |
| 69 | LogLevel log_level; /* Level for system logging. */ |
| 70 | int rhosts_authentication; /* If true, permit rhosts |
| 71 | * authentication. */ |
| 72 | int rhosts_rsa_authentication; /* If true, permit rhosts RSA |
| 73 | * authentication. */ |
| 74 | int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ |
| 75 | int hostbased_uses_name_from_packet_only; /* experimental */ |
| 76 | int rsa_authentication; /* If true, permit RSA authentication. */ |
| 77 | int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ |
| 78 | #if defined(KRB4) || defined(KRB5) |
| 79 | int kerberos_authentication; /* If true, permit Kerberos |
| 80 | * authentication. */ |
| 81 | int kerberos_or_local_passwd; /* If true, permit kerberos |
| 82 | * and any other password |
| 83 | * authentication mechanism, |
| 84 | * such as SecurID or |
| 85 | * /etc/passwd */ |
| 86 | int kerberos_ticket_cleanup; /* If true, destroy ticket |
| 87 | * file on logout. */ |
| 88 | #endif |
| 89 | #if defined(AFS) || defined(KRB5) |
| 90 | int kerberos_tgt_passing; /* If true, permit Kerberos TGT |
| 91 | * passing. */ |
| 92 | #endif |
| 93 | #ifdef AFS |
| 94 | int afs_token_passing; /* If true, permit AFS token passing. */ |
| 95 | #endif |
| 96 | int password_authentication; /* If true, permit password |
| 97 | * authentication. */ |
| 98 | int kbd_interactive_authentication; /* If true, permit */ |
| 99 | int challenge_response_authentication; |
| 100 | int permit_empty_passwd; /* If false, do not permit empty |
| 101 | * passwords. */ |
| 102 | int permit_user_env; /* If true, read ~/.ssh/environment */ |
| 103 | int use_login; /* If true, login(1) is used */ |
| 104 | int compression; /* If true, compression is allowed */ |
| 105 | int allow_tcp_forwarding; |
| 106 | u_int num_allow_users; |
| 107 | char *allow_users[MAX_ALLOW_USERS]; |
| 108 | u_int num_deny_users; |
| 109 | char *deny_users[MAX_DENY_USERS]; |
| 110 | u_int num_allow_groups; |
| 111 | char *allow_groups[MAX_ALLOW_GROUPS]; |
| 112 | u_int num_deny_groups; |
| 113 | char *deny_groups[MAX_DENY_GROUPS]; |
| 114 | |
| 115 | u_int num_subsystems; |
| 116 | char *subsystem_name[MAX_SUBSYSTEMS]; |
| 117 | char *subsystem_command[MAX_SUBSYSTEMS]; |
| 118 | |
| 119 | int max_startups_begin; |
| 120 | int max_startups_rate; |
| 121 | int max_startups; |
| 122 | char *banner; /* SSH-2 banner message */ |
| 123 | int verify_reverse_mapping; /* cross-check ip and dns */ |
| 124 | int client_alive_interval; /* |
| 125 | * poke the client this often to |
| 126 | * see if it's still there |
| 127 | */ |
| 128 | int client_alive_count_max; /* |
| 129 | * If the client is unresponsive |
| 130 | * for this many intervals above, |
| 131 | * disconnect the session |
| 132 | */ |
| 133 | |
| 134 | char *authorized_keys_file; /* File containing public keys */ |
| 135 | char *authorized_keys_file2; |
| 136 | int pam_authentication_via_kbd_int; |
| 137 | } ServerOptions; |
| 138 | |
| 139 | void initialize_server_options(ServerOptions *); |
| 140 | void read_server_config(ServerOptions *, const char *); |
| 141 | void fill_default_server_options(ServerOptions *); |
| 142 | int process_server_config_line(ServerOptions *, char *, const char *, int); |
| 143 | |
| 144 | |
| 145 | #endif /* SERVCONF_H */ |