Annotation of src/usr.bin/ssh/servconf.h, Revision 1.95
1.95 ! djm 1: /* $OpenBSD: servconf.h,v 1.94 2010/09/22 05:01:29 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. */
1.91 djm 27: #define MAX_HOSTCERTS 256 /* Max # host certificates. */
1.68 djm 28: #define MAX_ACCEPT_ENV 256 /* Max # of env vars. */
1.79 dtucker 29: #define MAX_MATCH_GROUPS 256 /* Max # of groups for Match. */
1.13 deraadt 30:
1.38 markus 31: /* permit_root_login */
32: #define PERMIT_NOT_SET -1
33: #define PERMIT_NO 0
34: #define PERMIT_FORCED_ONLY 1
35: #define PERMIT_NO_PASSWD 2
36: #define PERMIT_YES 3
37:
1.69 dtucker 38: #define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */
1.84 djm 39: #define DEFAULT_SESSIONS_MAX 10 /* Default for MaxSessions */
1.82 djm 40:
41: /* Magic name for internal sftp-server */
42: #define INTERNAL_SFTP_NAME "internal-sftp"
1.38 markus 43:
1.13 deraadt 44: typedef struct {
1.87 djm 45: u_int num_ports;
46: u_int ports_from_cmdline;
47: int ports[MAX_PORTS]; /* Port number to listen on. */
1.15 markus 48: char *listen_addr; /* Address on which the server listens. */
49: struct addrinfo *listen_addrs; /* Addresses on which the server listens. */
1.71 djm 50: int address_family; /* Address family used by the server. */
1.31 markus 51: char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */
52: int num_host_key_files; /* Number of files for host keys. */
1.91 djm 53: char *host_cert_files[MAX_HOSTCERTS]; /* Files containing host certs. */
54: int num_host_cert_files; /* Number of files for host certs. */
1.19 markus 55: char *pid_file; /* Where to put our pid */
1.13 deraadt 56: int server_key_bits;/* Size of the server key. */
57: int login_grace_time; /* Disconnect if no auth in this time
58: * (sec). */
59: int key_regeneration_time; /* Server key lifetime (seconds). */
1.38 markus 60: int permit_root_login; /* PERMIT_*, see above */
1.13 deraadt 61: int ignore_rhosts; /* Ignore .rhosts and .shosts. */
62: int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
63: * for RhostsRsaAuth */
64: int print_motd; /* If true, print /etc/motd. */
1.39 stevesk 65: int print_lastlog; /* If true, print lastlog */
1.13 deraadt 66: int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
67: int x11_display_offset; /* What DISPLAY number to start
68: * searching at */
1.52 stevesk 69: int x11_use_localhost; /* If true, use localhost for fake X11 server. */
1.23 markus 70: char *xauth_location; /* Location of xauth program */
1.13 deraadt 71: int strict_modes; /* If true, require string home dir modes. */
1.66 markus 72: int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */
1.95 ! djm 73: int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */
! 74: int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */
1.37 markus 75: char *ciphers; /* Supported SSH2 ciphers. */
76: char *macs; /* Supported SSH2 macs. */
1.94 djm 77: char *kex_algorithms; /* SSH2 kex methods in order of preference. */
1.37 markus 78: int protocol; /* Supported protocol versions. */
1.21 markus 79: int gateway_ports; /* If true, allow remote connects to forwarded ports. */
1.13 deraadt 80: SyslogFacility log_facility; /* Facility for system logging. */
81: LogLevel log_level; /* Level for system logging. */
82: int rhosts_rsa_authentication; /* If true, permit rhosts RSA
83: * authentication. */
1.40 markus 84: int hostbased_authentication; /* If true, permit ssh2 hostbased auth */
85: int hostbased_uses_name_from_packet_only; /* experimental */
1.13 deraadt 86: int rsa_authentication; /* If true, permit RSA authentication. */
1.31 markus 87: int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
1.13 deraadt 88: int kerberos_authentication; /* If true, permit Kerberos
89: * authentication. */
90: int kerberos_or_local_passwd; /* If true, permit kerberos
91: * and any other password
92: * authentication mechanism,
93: * such as SecurID or
94: * /etc/passwd */
95: int kerberos_ticket_cleanup; /* If true, destroy ticket
96: * file on logout. */
1.67 jakob 97: int kerberos_get_afs_token; /* If true, try to get AFS token if
98: * authenticated with Kerberos. */
1.64 markus 99: int gss_authentication; /* If true, permit GSSAPI authentication */
100: int gss_cleanup_creds; /* If true, destroy cred cache on logout */
1.13 deraadt 101: int password_authentication; /* If true, permit password
102: * authentication. */
1.29 markus 103: int kbd_interactive_authentication; /* If true, permit */
1.42 markus 104: int challenge_response_authentication;
1.86 djm 105: int zero_knowledge_password_authentication;
106: /* If true, permit jpake auth */
1.13 deraadt 107: int permit_empty_passwd; /* If false, do not permit empty
108: * passwords. */
1.59 markus 109: int permit_user_env; /* If true, read ~/.ssh/environment */
1.13 deraadt 110: int use_login; /* If true, login(1) is used */
1.58 markus 111: int compression; /* If true, compression is allowed */
1.30 markus 112: int allow_tcp_forwarding;
1.83 pyr 113: int allow_agent_forwarding;
1.32 markus 114: u_int num_allow_users;
1.13 deraadt 115: char *allow_users[MAX_ALLOW_USERS];
1.32 markus 116: u_int num_deny_users;
1.13 deraadt 117: char *deny_users[MAX_DENY_USERS];
1.32 markus 118: u_int num_allow_groups;
1.13 deraadt 119: char *allow_groups[MAX_ALLOW_GROUPS];
1.32 markus 120: u_int num_deny_groups;
1.13 deraadt 121: char *deny_groups[MAX_DENY_GROUPS];
1.24 jakob 122:
1.32 markus 123: u_int num_subsystems;
1.24 jakob 124: char *subsystem_name[MAX_SUBSYSTEMS];
125: char *subsystem_command[MAX_SUBSYSTEMS];
1.74 djm 126: char *subsystem_args[MAX_SUBSYSTEMS];
1.68 djm 127:
128: u_int num_accept_env;
129: char *accept_env[MAX_ACCEPT_ENV];
1.26 markus 130:
1.27 markus 131: int max_startups_begin;
132: int max_startups_rate;
1.26 markus 133: int max_startups;
1.69 dtucker 134: int max_authtries;
1.84 djm 135: int max_sessions;
1.33 markus 136: char *banner; /* SSH-2 banner message */
1.61 markus 137: int use_dns;
1.41 beck 138: int client_alive_interval; /*
1.51 deraadt 139: * poke the client this often to
140: * see if it's still there
1.41 beck 141: */
142: int client_alive_count_max; /*
1.49 stevesk 143: * If the client is unresponsive
144: * for this many intervals above,
1.51 deraadt 145: * disconnect the session
1.41 beck 146: */
1.43 markus 147:
1.44 markus 148: char *authorized_keys_file; /* File containing public keys */
149: char *authorized_keys_file2;
1.76 dtucker 150:
151: char *adm_forced_command;
1.72 reyk 152:
153: int permit_tun;
1.77 dtucker 154:
155: int num_permitted_opens;
1.88 reyk 156:
1.81 djm 157: char *chroot_directory;
1.92 djm 158: char *revoked_keys_file;
159: char *trusted_user_ca_keys;
1.93 djm 160: char *authorized_principals_file;
1.13 deraadt 161: } ServerOptions;
1.1 deraadt 162:
1.47 markus 163: void initialize_server_options(ServerOptions *);
164: void fill_default_server_options(ServerOptions *);
1.75 dtucker 165: int process_server_config_line(ServerOptions *, char *, const char *, int,
166: int *, const char *, const char *, const char *);
1.70 djm 167: void load_server_config(const char *, Buffer *);
1.75 dtucker 168: void parse_server_config(ServerOptions *, const char *, Buffer *,
169: const char *, const char *, const char *);
170: void parse_server_match_config(ServerOptions *, const char *, const char *,
171: const char *);
1.80 dtucker 172: void copy_set_server_options(ServerOptions *, ServerOptions *, int);
1.85 dtucker 173: void dump_config(ServerOptions *);
1.90 djm 174: char *derelativise_path(const char *);
1.1 deraadt 175:
1.13 deraadt 176: #endif /* SERVCONF_H */