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5262cbfb | 1 | /* $OpenBSD: readconf.h,v 1.78 2009/02/12 03:00:56 djm Exp $ */ |
1e608e42 | 2 | |
3c0ef626 | 3 | /* |
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. | |
8 | * | |
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". | |
14 | */ | |
15 | ||
3c0ef626 | 16 | #ifndef READCONF_H |
17 | #define READCONF_H | |
18 | ||
3c0ef626 | 19 | /* Data structure for representing a forwarding request. */ |
20 | ||
21 | typedef struct { | |
dfddba3d | 22 | char *listen_host; /* Host (address) to listen on. */ |
5262cbfb | 23 | int listen_port; /* Port to forward. */ |
dfddba3d | 24 | char *connect_host; /* Host to connect. */ |
5262cbfb | 25 | int connect_port; /* Port to connect on connect_host. */ |
3c0ef626 | 26 | } Forward; |
27 | /* Data structure for representing option data. */ | |
28 | ||
7e82606e | 29 | #define MAX_SEND_ENV 256 |
30 | ||
3c0ef626 | 31 | typedef struct { |
32 | int forward_agent; /* Forward authentication agent. */ | |
33 | int forward_x11; /* Forward X11 display. */ | |
540d72c3 | 34 | int forward_x11_trusted; /* Trust Forward X11 display. */ |
30460aeb | 35 | int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */ |
3c0ef626 | 36 | char *xauth_location; /* Location for xauth program */ |
37 | int gateway_ports; /* Allow remote connects to forwarded ports. */ | |
38 | int use_privileged_port; /* Don't use privileged port if false. */ | |
3c0ef626 | 39 | int rhosts_rsa_authentication; /* Try rhosts with RSA |
40 | * authentication. */ | |
41 | int rsa_authentication; /* Try RSA authentication. */ | |
42 | int pubkey_authentication; /* Try ssh2 pubkey authentication. */ | |
43 | int hostbased_authentication; /* ssh2's rhosts_rsa */ | |
44 | int challenge_response_authentication; | |
45 | /* Try S/Key or TIS, authentication. */ | |
7cac2b65 | 46 | int gss_authentication; /* Try GSS authentication */ |
f97edba6 | 47 | int gss_keyex; /* Try GSS key exchange */ |
7cac2b65 | 48 | int gss_deleg_creds; /* Delegate GSS credentials */ |
fe4ad273 | 49 | int gss_trust_dns; /* Trust DNS for GSS canonicalization */ |
f97edba6 | 50 | int gss_renewal_rekey; /* Credential renewal forces rekey */ |
51 | char *gss_client_identity; /* Principal to initiate GSSAPI with */ | |
3c0ef626 | 52 | int password_authentication; /* Try password |
53 | * authentication. */ | |
54 | int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ | |
55 | char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ | |
5262cbfb | 56 | int zero_knowledge_password_authentication; /* Try jpake */ |
3c0ef626 | 57 | int batch_mode; /* Batch mode: do not ask for passwords. */ |
58 | int check_host_ip; /* Also keep track of keys for IP address */ | |
59 | int strict_host_key_checking; /* Strict host key checking. */ | |
60 | int compression; /* Compress packets in both directions. */ | |
61 | int compression_level; /* Compression level 1 (fast) to 9 | |
62 | * (best). */ | |
540d72c3 | 63 | int tcp_keep_alive; /* Set SO_KEEPALIVE. */ |
473db5ab | 64 | int tcp_rcv_buf; /* user switch to set tcp recv buffer */ |
a7213e65 | 65 | int tcp_rcv_buf_poll; /* Option to poll recv buf every window transfer */ |
66 | int hpn_disabled; /* Switch to disable HPN buffer management */ | |
67 | int hpn_buffer_size; /* User definable size for HPN buffer window */ | |
68 | ||
3c0ef626 | 69 | LogLevel log_level; /* Level for logging. */ |
70 | ||
71 | int port; /* Port to connect. */ | |
7cac2b65 | 72 | int address_family; |
3c0ef626 | 73 | int connection_attempts; /* Max attempts (seconds) before |
74 | * giving up */ | |
7cac2b65 | 75 | int connection_timeout; /* Max time (seconds) before |
540d72c3 | 76 | * aborting connection attempt */ |
3c0ef626 | 77 | int number_of_password_prompts; /* Max number of password |
78 | * prompts. */ | |
79 | int cipher; /* Cipher to use. */ | |
80 | char *ciphers; /* SSH2 ciphers in order of preference. */ | |
81 | char *macs; /* SSH2 macs in order of preference. */ | |
82 | char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ | |
83 | int protocol; /* Protocol in order of preference. */ | |
84 | char *hostname; /* Real host to connect. */ | |
85 | char *host_key_alias; /* hostname alias for .ssh/known_hosts */ | |
86 | char *proxy_command; /* Proxy command for connecting the host. */ | |
87 | char *user; /* User to log in as. */ | |
68378849 | 88 | int implicit; /* Login user was not specified. |
89 | Server may choose based on authctxt. */ | |
3c0ef626 | 90 | int escape_char; /* Escape character; -2 = none */ |
91 | ||
1e608e42 | 92 | char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ |
3c0ef626 | 93 | char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ |
94 | char *system_hostfile2; | |
95 | char *user_hostfile2; | |
96 | char *preferred_authentications; | |
97 | char *bind_address; /* local socket address for connection to sshd */ | |
98 | char *smartcard_device; /* Smartcard reader device */ | |
7cac2b65 | 99 | int verify_host_key_dns; /* Verify host key using DNS */ |
3c0ef626 | 100 | |
101 | int num_identity_files; /* Number of files for RSA/DSA identities. */ | |
102 | char *identity_files[SSH_MAX_IDENTITY_FILES]; | |
103 | Key *identity_keys[SSH_MAX_IDENTITY_FILES]; | |
104 | ||
105 | /* Local TCP/IP forward requests. */ | |
106 | int num_local_forwards; | |
107 | Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
108 | ||
109 | /* Remote TCP/IP forward requests. */ | |
110 | int num_remote_forwards; | |
111 | Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
112 | int clear_forwardings; | |
bfe49944 | 113 | |
114 | int enable_ssh_keysign; | |
e74dc197 | 115 | int64_t rekey_limit; |
d3057ca4 | 116 | int none_switch; /* Use none cipher */ |
117 | int none_enabled; /* Allow none to be used */ | |
3c0ef626 | 118 | int no_host_authentication_for_localhost; |
12a403af | 119 | int identities_only; |
7e82606e | 120 | int server_alive_interval; |
540d72c3 | 121 | int server_alive_count_max; |
7e82606e | 122 | |
123 | int num_send_env; | |
124 | char *send_env[MAX_SEND_ENV]; | |
125 | ||
126 | char *control_path; | |
127 | int control_master; | |
dfddba3d | 128 | |
129 | int hash_known_hosts; | |
08822d99 | 130 | |
131 | int tun_open; /* tun(4) */ | |
132 | int tun_local; /* force tun device (optional) */ | |
133 | int tun_remote; /* force tun device (optional) */ | |
134 | ||
135 | char *local_command; | |
136 | int permit_local_command; | |
5156b1a1 | 137 | int visual_host_key; |
08822d99 | 138 | |
3c0ef626 | 139 | } Options; |
140 | ||
2ce0bfe4 | 141 | #define SSHCTL_MASTER_NO 0 |
142 | #define SSHCTL_MASTER_YES 1 | |
143 | #define SSHCTL_MASTER_AUTO 2 | |
144 | #define SSHCTL_MASTER_ASK 3 | |
145 | #define SSHCTL_MASTER_AUTO_ASK 4 | |
3c0ef626 | 146 | |
147 | void initialize_options(Options *); | |
148 | void fill_default_options(Options *); | |
7e82606e | 149 | int read_config_file(const char *, const char *, Options *, int); |
5262cbfb | 150 | int parse_forward(Forward *, const char *, int, int); |
3c0ef626 | 151 | |
152 | int | |
153 | process_config_line(Options *, const char *, char *, const char *, int, int *); | |
154 | ||
dfddba3d | 155 | void add_local_forward(Options *, const Forward *); |
156 | void add_remote_forward(Options *, const Forward *); | |
3c0ef626 | 157 | |
158 | #endif /* READCONF_H */ |