Annotation of src/usr.bin/ssh/servconf.h, Revision 1.89
1.88 reyk 1: /* $OpenBSD: servconf.h,v 1.87 2009/01/22 10:02:34 djm 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 {
1.87 djm 44: u_int num_ports;
45: u_int ports_from_cmdline;
46: int ports[MAX_PORTS]; /* Port number to listen on. */
1.15 markus 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;
1.88 reyk 150:
1.81 djm 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 */