Annotation of src/usr.bin/ssh/servconf.h, Revision 1.91
1.91 ! djm 1: /* $OpenBSD: servconf.h,v 1.90 2010/01/13 03:48:13 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. */
1.37 markus 73: char *ciphers; /* Supported SSH2 ciphers. */
74: char *macs; /* Supported SSH2 macs. */
75: int protocol; /* Supported protocol versions. */
1.21 markus 76: int gateway_ports; /* If true, allow remote connects to forwarded ports. */
1.13 deraadt 77: SyslogFacility log_facility; /* Facility for system logging. */
78: LogLevel log_level; /* Level for system logging. */
79: int rhosts_rsa_authentication; /* If true, permit rhosts RSA
80: * authentication. */
1.40 markus 81: int hostbased_authentication; /* If true, permit ssh2 hostbased auth */
82: int hostbased_uses_name_from_packet_only; /* experimental */
1.13 deraadt 83: int rsa_authentication; /* If true, permit RSA authentication. */
1.31 markus 84: int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
1.13 deraadt 85: int kerberos_authentication; /* If true, permit Kerberos
86: * authentication. */
87: int kerberos_or_local_passwd; /* If true, permit kerberos
88: * and any other password
89: * authentication mechanism,
90: * such as SecurID or
91: * /etc/passwd */
92: int kerberos_ticket_cleanup; /* If true, destroy ticket
93: * file on logout. */
1.67 jakob 94: int kerberos_get_afs_token; /* If true, try to get AFS token if
95: * authenticated with Kerberos. */
1.64 markus 96: int gss_authentication; /* If true, permit GSSAPI authentication */
97: int gss_cleanup_creds; /* If true, destroy cred cache on logout */
1.13 deraadt 98: int password_authentication; /* If true, permit password
99: * authentication. */
1.29 markus 100: int kbd_interactive_authentication; /* If true, permit */
1.42 markus 101: int challenge_response_authentication;
1.86 djm 102: int zero_knowledge_password_authentication;
103: /* If true, permit jpake auth */
1.13 deraadt 104: int permit_empty_passwd; /* If false, do not permit empty
105: * passwords. */
1.59 markus 106: int permit_user_env; /* If true, read ~/.ssh/environment */
1.13 deraadt 107: int use_login; /* If true, login(1) is used */
1.58 markus 108: int compression; /* If true, compression is allowed */
1.30 markus 109: int allow_tcp_forwarding;
1.83 pyr 110: int allow_agent_forwarding;
1.32 markus 111: u_int num_allow_users;
1.13 deraadt 112: char *allow_users[MAX_ALLOW_USERS];
1.32 markus 113: u_int num_deny_users;
1.13 deraadt 114: char *deny_users[MAX_DENY_USERS];
1.32 markus 115: u_int num_allow_groups;
1.13 deraadt 116: char *allow_groups[MAX_ALLOW_GROUPS];
1.32 markus 117: u_int num_deny_groups;
1.13 deraadt 118: char *deny_groups[MAX_DENY_GROUPS];
1.24 jakob 119:
1.32 markus 120: u_int num_subsystems;
1.24 jakob 121: char *subsystem_name[MAX_SUBSYSTEMS];
122: char *subsystem_command[MAX_SUBSYSTEMS];
1.74 djm 123: char *subsystem_args[MAX_SUBSYSTEMS];
1.68 djm 124:
125: u_int num_accept_env;
126: char *accept_env[MAX_ACCEPT_ENV];
1.26 markus 127:
1.27 markus 128: int max_startups_begin;
129: int max_startups_rate;
1.26 markus 130: int max_startups;
1.69 dtucker 131: int max_authtries;
1.84 djm 132: int max_sessions;
1.33 markus 133: char *banner; /* SSH-2 banner message */
1.61 markus 134: int use_dns;
1.41 beck 135: int client_alive_interval; /*
1.51 deraadt 136: * poke the client this often to
137: * see if it's still there
1.41 beck 138: */
139: int client_alive_count_max; /*
1.49 stevesk 140: * If the client is unresponsive
141: * for this many intervals above,
1.51 deraadt 142: * disconnect the session
1.41 beck 143: */
1.43 markus 144:
1.44 markus 145: char *authorized_keys_file; /* File containing public keys */
146: char *authorized_keys_file2;
1.76 dtucker 147:
148: char *adm_forced_command;
1.72 reyk 149:
150: int permit_tun;
1.77 dtucker 151:
152: int num_permitted_opens;
1.88 reyk 153:
1.81 djm 154: char *chroot_directory;
1.13 deraadt 155: } ServerOptions;
1.1 deraadt 156:
1.47 markus 157: void initialize_server_options(ServerOptions *);
158: void fill_default_server_options(ServerOptions *);
1.75 dtucker 159: int process_server_config_line(ServerOptions *, char *, const char *, int,
160: int *, const char *, const char *, const char *);
1.70 djm 161: void load_server_config(const char *, Buffer *);
1.75 dtucker 162: void parse_server_config(ServerOptions *, const char *, Buffer *,
163: const char *, const char *, const char *);
164: void parse_server_match_config(ServerOptions *, const char *, const char *,
165: const char *);
1.80 dtucker 166: void copy_set_server_options(ServerOptions *, ServerOptions *, int);
1.85 dtucker 167: void dump_config(ServerOptions *);
1.90 djm 168: char *derelativise_path(const char *);
1.1 deraadt 169:
1.13 deraadt 170: #endif /* SERVCONF_H */
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