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17525a70 | 1 | /* $OpenBSD: readconf.h,v 1.78 2009/02/12 03:00:56 djm Exp $ */ |
93c3b6de | 2 | |
8efc0c15 | 3 | /* |
5260325f | 4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
6 | * All rights reserved | |
5260325f | 7 | * Functions for reading the configuration file. |
6ae2364d | 8 | * |
bcbf86ec | 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". | |
5260325f | 14 | */ |
8efc0c15 | 15 | |
8efc0c15 | 16 | #ifndef READCONF_H |
17 | #define READCONF_H | |
18 | ||
19 | /* Data structure for representing a forwarding request. */ | |
20 | ||
5260325f | 21 | typedef struct { |
3867aa0a | 22 | char *listen_host; /* Host (address) to listen on. */ |
5134115d | 23 | int listen_port; /* Port to forward. */ |
3867aa0a | 24 | char *connect_host; /* Host to connect. */ |
5134115d | 25 | int connect_port; /* Port to connect on connect_host. */ |
5260325f | 26 | } Forward; |
8efc0c15 | 27 | /* Data structure for representing option data. */ |
28 | ||
61a2c1da | 29 | #define MAX_SEND_ENV 256 |
30 | ||
5260325f | 31 | typedef struct { |
32 | int forward_agent; /* Forward authentication agent. */ | |
33 | int forward_x11; /* Forward X11 display. */ | |
d73a67d7 | 34 | int forward_x11_trusted; /* Trust Forward X11 display. */ |
42ea6f5e | 35 | int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */ |
fa649821 | 36 | char *xauth_location; /* Location for xauth program */ |
5260325f | 37 | int gateway_ports; /* Allow remote connects to forwarded ports. */ |
38 | int use_privileged_port; /* Don't use privileged port if false. */ | |
5260325f | 39 | int rhosts_rsa_authentication; /* Try rhosts with RSA |
40 | * authentication. */ | |
41 | int rsa_authentication; /* Try RSA authentication. */ | |
fa08c86b | 42 | int pubkey_authentication; /* Try ssh2 pubkey authentication. */ |
8002af61 | 43 | int hostbased_authentication; /* ssh2's rhosts_rsa */ |
5ba55ada | 44 | int challenge_response_authentication; |
d464095c | 45 | /* Try S/Key or TIS, authentication. */ |
7364bd04 | 46 | int gss_authentication; /* Try GSS authentication */ |
47 | int gss_deleg_creds; /* Delegate GSS credentials */ | |
5260325f | 48 | int password_authentication; /* Try password |
49 | * authentication. */ | |
94ec8c6b | 50 | int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ |
51 | char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ | |
5adf6b9a | 52 | int zero_knowledge_password_authentication; /* Try jpake */ |
5260325f | 53 | int batch_mode; /* Batch mode: do not ask for passwords. */ |
54 | int check_host_ip; /* Also keep track of keys for IP address */ | |
55 | int strict_host_key_checking; /* Strict host key checking. */ | |
56 | int compression; /* Compress packets in both directions. */ | |
57 | int compression_level; /* Compression level 1 (fast) to 9 | |
58 | * (best). */ | |
fd573618 | 59 | int tcp_keep_alive; /* Set SO_KEEPALIVE. */ |
5260325f | 60 | LogLevel log_level; /* Level for logging. */ |
61 | ||
62 | int port; /* Port to connect. */ | |
1572b90f | 63 | int address_family; |
5260325f | 64 | int connection_attempts; /* Max attempts (seconds) before |
65 | * giving up */ | |
09ab3296 | 66 | int connection_timeout; /* Max time (seconds) before |
aff51935 | 67 | * aborting connection attempt */ |
5260325f | 68 | int number_of_password_prompts; /* Max number of password |
69 | * prompts. */ | |
70 | int cipher; /* Cipher to use. */ | |
d0c832f3 | 71 | char *ciphers; /* SSH2 ciphers in order of preference. */ |
b2552997 | 72 | char *macs; /* SSH2 macs in order of preference. */ |
e961a8f9 | 73 | char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ |
a8be9f80 | 74 | int protocol; /* Protocol in order of preference. */ |
5260325f | 75 | char *hostname; /* Real host to connect. */ |
8abcdba4 | 76 | char *host_key_alias; /* hostname alias for .ssh/known_hosts */ |
5260325f | 77 | char *proxy_command; /* Proxy command for connecting the host. */ |
78 | char *user; /* User to log in as. */ | |
79 | int escape_char; /* Escape character; -2 = none */ | |
80 | ||
af98ced9 | 81 | char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ |
5260325f | 82 | char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ |
a306f2dd | 83 | char *system_hostfile2; |
84 | char *user_hostfile2; | |
cab80f75 | 85 | char *preferred_authentications; |
3435f5a6 | 86 | char *bind_address; /* local socket address for connection to sshd */ |
9ff6f66f | 87 | char *smartcard_device; /* Smartcard reader device */ |
21289cd0 | 88 | int verify_host_key_dns; /* Verify host key using DNS */ |
5260325f | 89 | |
fa08c86b | 90 | int num_identity_files; /* Number of files for RSA/DSA identities. */ |
5260325f | 91 | char *identity_files[SSH_MAX_IDENTITY_FILES]; |
fee56204 | 92 | Key *identity_keys[SSH_MAX_IDENTITY_FILES]; |
5260325f | 93 | |
94 | /* Local TCP/IP forward requests. */ | |
95 | int num_local_forwards; | |
96 | Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
97 | ||
98 | /* Remote TCP/IP forward requests. */ | |
99 | int num_remote_forwards; | |
100 | Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
e1c5bfaf | 101 | int clear_forwardings; |
cc46e2ee | 102 | |
103 | int enable_ssh_keysign; | |
fe771396 | 104 | int64_t rekey_limit; |
8bbc048a | 105 | int no_host_authentication_for_localhost; |
3a065ed0 | 106 | int identities_only; |
f2107e97 | 107 | int server_alive_interval; |
5d8d32a3 | 108 | int server_alive_count_max; |
61a2c1da | 109 | |
110 | int num_send_env; | |
111 | char *send_env[MAX_SEND_ENV]; | |
5e96b616 | 112 | |
113 | char *control_path; | |
114 | int control_master; | |
5c63c2ab | 115 | |
116 | int hash_known_hosts; | |
d20f3c9e | 117 | |
118 | int tun_open; /* tun(4) */ | |
119 | int tun_local; /* force tun device (optional) */ | |
120 | int tun_remote; /* force tun device (optional) */ | |
121 | ||
122 | char *local_command; | |
123 | int permit_local_command; | |
7b3999b8 | 124 | int visual_host_key; |
d20f3c9e | 125 | |
5260325f | 126 | } Options; |
8efc0c15 | 127 | |
9dfd96d6 | 128 | #define SSHCTL_MASTER_NO 0 |
129 | #define SSHCTL_MASTER_YES 1 | |
130 | #define SSHCTL_MASTER_AUTO 2 | |
131 | #define SSHCTL_MASTER_ASK 3 | |
132 | #define SSHCTL_MASTER_AUTO_ASK 4 | |
8efc0c15 | 133 | |
255cabd9 | 134 | void initialize_options(Options *); |
135 | void fill_default_options(Options *); | |
9f6cab4b | 136 | int read_config_file(const char *, const char *, Options *, int); |
17525a70 | 137 | int parse_forward(Forward *, const char *, int, int); |
8efc0c15 | 138 | |
6ae2364d | 139 | int |
2a1e4639 | 140 | process_config_line(Options *, const char *, char *, const char *, int, int *); |
8efc0c15 | 141 | |
3867aa0a | 142 | void add_local_forward(Options *, const Forward *); |
143 | void add_remote_forward(Options *, const Forward *); | |
8efc0c15 | 144 | |
5260325f | 145 | #endif /* READCONF_H */ |