Annotation of src/usr.bin/ssh/readconf.h, Revision 1.98
1.98 ! djm 1: /* $OpenBSD: readconf.h,v 1.97 2013/10/14 22:22:03 djm Exp $ */
1.42 stevesk 2:
1.1 deraadt 3: /*
1.11 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: * Functions for reading the configuration file.
1.15 markus 8: *
1.21 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".
1.11 deraadt 14: */
1.1 deraadt 15:
16: #ifndef READCONF_H
17: #define READCONF_H
1.27 markus 18:
1.1 deraadt 19: /* Data structure for representing a forwarding request. */
20:
1.11 deraadt 21: typedef struct {
1.65 djm 22: char *listen_host; /* Host (address) to listen on. */
1.77 djm 23: int listen_port; /* Port to forward. */
1.65 djm 24: char *connect_host; /* Host to connect. */
1.77 djm 25: int connect_port; /* Port to connect on connect_host. */
1.83 markus 26: int allocated_port; /* Dynamically allocated listen port */
1.91 markus 27: int handle; /* Handle for dynamic listen ports */
1.11 deraadt 28: } Forward;
1.1 deraadt 29: /* Data structure for representing option data. */
30:
1.90 djm 31: #define MAX_SEND_ENV 256
1.98 ! djm 32: #define SSH_MAX_HOSTS_FILES 32
! 33: #define MAX_CANON_DOMAINS 32
! 34:
! 35: struct allowed_cname {
! 36: char *source_list;
! 37: char *target_list;
! 38: };
1.62 djm 39:
1.11 deraadt 40: typedef struct {
41: int forward_agent; /* Forward authentication agent. */
42: int forward_x11; /* Forward X11 display. */
1.85 djm 43: int forward_x11_timeout; /* Expiration for Cookies */
1.56 markus 44: int forward_x11_trusted; /* Trust Forward X11 display. */
1.70 markus 45: int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */
1.19 markus 46: char *xauth_location; /* Location for xauth program */
1.11 deraadt 47: int gateway_ports; /* Allow remote connects to forwarded ports. */
48: int use_privileged_port; /* Don't use privileged port if false. */
49: int rhosts_rsa_authentication; /* Try rhosts with RSA
50: * authentication. */
51: int rsa_authentication; /* Try RSA authentication. */
1.23 markus 52: int pubkey_authentication; /* Try ssh2 pubkey authentication. */
1.29 markus 53: int hostbased_authentication; /* ssh2's rhosts_rsa */
1.32 markus 54: int challenge_response_authentication;
1.25 markus 55: /* Try S/Key or TIS, authentication. */
1.54 markus 56: int gss_authentication; /* Try GSS authentication */
57: int gss_deleg_creds; /* Delegate GSS credentials */
1.11 deraadt 58: int password_authentication; /* Try password
59: * authentication. */
1.22 markus 60: int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
61: char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
1.76 djm 62: int zero_knowledge_password_authentication; /* Try jpake */
1.11 deraadt 63: int batch_mode; /* Batch mode: do not ask for passwords. */
64: int check_host_ip; /* Also keep track of keys for IP address */
65: int strict_host_key_checking; /* Strict host key checking. */
66: int compression; /* Compress packets in both directions. */
67: int compression_level; /* Compression level 1 (fast) to 9
68: * (best). */
1.58 markus 69: int tcp_keep_alive; /* Set SO_KEEPALIVE. */
1.88 djm 70: int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */
71: int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */
1.11 deraadt 72: LogLevel log_level; /* Level for logging. */
73:
74: int port; /* Port to connect. */
1.51 djm 75: int address_family;
1.11 deraadt 76: int connection_attempts; /* Max attempts (seconds) before
77: * giving up */
1.50 djm 78: int connection_timeout; /* Max time (seconds) before
1.57 djm 79: * aborting connection attempt */
1.11 deraadt 80: int number_of_password_prompts; /* Max number of password
81: * prompts. */
82: int cipher; /* Cipher to use. */
1.18 markus 83: char *ciphers; /* SSH2 ciphers in order of preference. */
1.26 markus 84: char *macs; /* SSH2 macs in order of preference. */
1.30 markus 85: char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
1.87 djm 86: char *kex_algorithms; /* SSH2 kex methods in order of preference. */
1.14 markus 87: int protocol; /* Protocol in order of preference. */
1.11 deraadt 88: char *hostname; /* Real host to connect. */
1.24 markus 89: char *host_key_alias; /* hostname alias for .ssh/known_hosts */
1.11 deraadt 90: char *proxy_command; /* Proxy command for connecting the host. */
91: char *user; /* User to log in as. */
92: int escape_char; /* Escape character; -2 = none */
93:
1.90 djm 94: u_int num_system_hostfiles; /* Paths for /etc/ssh/ssh_known_hosts */
95: char *system_hostfiles[SSH_MAX_HOSTS_FILES];
96: u_int num_user_hostfiles; /* Path for $HOME/.ssh/known_hosts */
97: char *user_hostfiles[SSH_MAX_HOSTS_FILES];
1.28 markus 98: char *preferred_authentications;
1.31 markus 99: char *bind_address; /* local socket address for connection to sshd */
1.82 markus 100: char *pkcs11_provider; /* PKCS#11 provider */
1.48 jakob 101: int verify_host_key_dns; /* Verify host key using DNS */
1.11 deraadt 102:
1.23 markus 103: int num_identity_files; /* Number of files for RSA/DSA identities. */
1.11 deraadt 104: char *identity_files[SSH_MAX_IDENTITY_FILES];
1.92 dtucker 105: int identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
1.27 markus 106: Key *identity_keys[SSH_MAX_IDENTITY_FILES];
1.11 deraadt 107:
108: /* Local TCP/IP forward requests. */
109: int num_local_forwards;
1.84 djm 110: Forward *local_forwards;
1.11 deraadt 111:
112: /* Remote TCP/IP forward requests. */
113: int num_remote_forwards;
1.84 djm 114: Forward *remote_forwards;
1.39 stevesk 115: int clear_forwardings;
1.44 markus 116:
117: int enable_ssh_keysign;
1.72 djm 118: int64_t rekey_limit;
1.94 dtucker 119: int rekey_interval;
1.40 markus 120: int no_host_authentication_for_localhost;
1.60 markus 121: int identities_only;
1.64 deraadt 122: int server_alive_interval;
1.59 markus 123: int server_alive_count_max;
1.62 djm 124:
125: int num_send_env;
126: char *send_env[MAX_SEND_ENV];
1.63 djm 127:
128: char *control_path;
129: int control_master;
1.86 djm 130: int control_persist; /* ControlPersist flag */
131: int control_persist_timeout; /* ControlPersist timeout (seconds) */
1.66 djm 132:
133: int hash_known_hosts;
1.68 reyk 134:
135: int tun_open; /* tun(4) */
136: int tun_local; /* force tun device (optional) */
137: int tun_remote; /* force tun device (optional) */
138:
139: char *local_command;
140: int permit_local_command;
1.74 grunk 141: int visual_host_key;
1.79 andreas 142:
143: int use_roaming;
1.80 reyk 144:
1.89 djm 145: int request_tty;
1.96 djm 146:
147: int proxy_use_fdpass;
1.95 djm 148:
1.98 ! djm 149: int num_canonical_domains;
! 150: char *canonical_domains[MAX_CANON_DOMAINS];
! 151: int canonicalise_hostname;
! 152: int canonicalise_max_dots;
! 153: int canonicalise_fallback_local;
! 154: int num_permitted_cnames;
! 155: struct allowed_cname permitted_cnames[MAX_CANON_DOMAINS];
! 156:
1.95 djm 157: char *ignored_unknown; /* Pattern list of unknown tokens to ignore */
1.11 deraadt 158: } Options;
1.98 ! djm 159:
! 160: #define SSH_CANONICALISE_NO 0
! 161: #define SSH_CANONICALISE_YES 1
! 162: #define SSH_CANONICALISE_ALWAYS 2
1.1 deraadt 163:
1.67 djm 164: #define SSHCTL_MASTER_NO 0
165: #define SSHCTL_MASTER_YES 1
166: #define SSHCTL_MASTER_AUTO 2
167: #define SSHCTL_MASTER_ASK 3
168: #define SSHCTL_MASTER_AUTO_ASK 4
1.89 djm 169:
170: #define REQUEST_TTY_AUTO 0
171: #define REQUEST_TTY_NO 1
172: #define REQUEST_TTY_YES 2
173: #define REQUEST_TTY_FORCE 3
1.1 deraadt 174:
1.93 dtucker 175: #define SSHCONF_CHECKPERM 1 /* check permissions on config file */
176: #define SSHCONF_USERCONF 2 /* user provided config file not system */
177:
1.35 markus 178: void initialize_options(Options *);
179: void fill_default_options(Options *);
1.97 djm 180: int process_config_line(Options *, struct passwd *, const char *, char *,
181: const char *, int, int *, int);
182: int read_config_file(const char *, struct passwd *, const char *,
183: Options *, int);
1.78 djm 184: int parse_forward(Forward *, const char *, int, int);
1.97 djm 185: int default_ssh_port(void);
1.1 deraadt 186:
1.65 djm 187: void add_local_forward(Options *, const Forward *);
188: void add_remote_forward(Options *, const Forward *);
1.92 dtucker 189: void add_identity_file(Options *, const char *, const char *, int);
1.1 deraadt 190:
1.11 deraadt 191: #endif /* READCONF_H */
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