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2c06c99b | 1 | /* $OpenBSD: readconf.h,v 1.68 2005/12/06 22:38:27 reyk Exp $ */ |
e9a17296 | 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 | ||
19 | #include "key.h" | |
20 | ||
21 | /* Data structure for representing a forwarding request. */ | |
22 | ||
23 | typedef struct { | |
996d5e62 | 24 | char *listen_host; /* Host (address) to listen on. */ |
25 | u_short listen_port; /* Port to forward. */ | |
26 | char *connect_host; /* Host to connect. */ | |
27 | u_short connect_port; /* Port to connect on connect_host. */ | |
3c0ef626 | 28 | } Forward; |
29 | /* Data structure for representing option data. */ | |
30 | ||
c9f39d2c | 31 | #define MAX_SEND_ENV 256 |
32 | ||
3c0ef626 | 33 | typedef struct { |
34 | int forward_agent; /* Forward authentication agent. */ | |
35 | int forward_x11; /* Forward X11 display. */ | |
cdd66111 | 36 | int forward_x11_trusted; /* Trust Forward X11 display. */ |
3c0ef626 | 37 | char *xauth_location; /* Location for xauth program */ |
38 | int gateway_ports; /* Allow remote connects to forwarded ports. */ | |
39 | int use_privileged_port; /* Don't use privileged port if false. */ | |
3c0ef626 | 40 | int rhosts_rsa_authentication; /* Try rhosts with RSA |
41 | * authentication. */ | |
42 | int rsa_authentication; /* Try RSA authentication. */ | |
43 | int pubkey_authentication; /* Try ssh2 pubkey authentication. */ | |
44 | int hostbased_authentication; /* ssh2's rhosts_rsa */ | |
45 | int challenge_response_authentication; | |
46 | /* Try S/Key or TIS, authentication. */ | |
0fff78ff | 47 | int gss_authentication; /* Try GSS authentication */ |
48 | int gss_deleg_creds; /* Delegate GSS credentials */ | |
3c0ef626 | 49 | int password_authentication; /* Try password |
50 | * authentication. */ | |
51 | int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ | |
52 | char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ | |
3c0ef626 | 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). */ | |
cdd66111 | 59 | int tcp_keep_alive; /* Set SO_KEEPALIVE. */ |
e90c2d47 | 60 | int tcp_rcv_buf; /* user switch to set tcp recv buffer */ |
d4e9cd2c | 61 | int tcp_rcv_buf_poll; /* Option to poll recv buf every window transfer */ |
62 | int hpn_disabled; /* Switch to disable HPN buffer management */ | |
63 | int hpn_buffer_size; /* User definable size for HPN buffer window */ | |
64 | ||
3c0ef626 | 65 | LogLevel log_level; /* Level for logging. */ |
66 | ||
67 | int port; /* Port to connect. */ | |
0fff78ff | 68 | int address_family; |
3c0ef626 | 69 | int connection_attempts; /* Max attempts (seconds) before |
70 | * giving up */ | |
0fff78ff | 71 | int connection_timeout; /* Max time (seconds) before |
cdd66111 | 72 | * aborting connection attempt */ |
3c0ef626 | 73 | int number_of_password_prompts; /* Max number of password |
74 | * prompts. */ | |
75 | int cipher; /* Cipher to use. */ | |
76 | char *ciphers; /* SSH2 ciphers in order of preference. */ | |
77 | char *macs; /* SSH2 macs in order of preference. */ | |
78 | char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ | |
79 | int protocol; /* Protocol in order of preference. */ | |
80 | char *hostname; /* Real host to connect. */ | |
81 | char *host_key_alias; /* hostname alias for .ssh/known_hosts */ | |
82 | char *proxy_command; /* Proxy command for connecting the host. */ | |
83 | char *user; /* User to log in as. */ | |
84 | int escape_char; /* Escape character; -2 = none */ | |
85 | ||
e9a17296 | 86 | char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ |
3c0ef626 | 87 | char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ |
88 | char *system_hostfile2; | |
89 | char *user_hostfile2; | |
90 | char *preferred_authentications; | |
91 | char *bind_address; /* local socket address for connection to sshd */ | |
92 | char *smartcard_device; /* Smartcard reader device */ | |
0fff78ff | 93 | int verify_host_key_dns; /* Verify host key using DNS */ |
3c0ef626 | 94 | |
95 | int num_identity_files; /* Number of files for RSA/DSA identities. */ | |
96 | char *identity_files[SSH_MAX_IDENTITY_FILES]; | |
97 | Key *identity_keys[SSH_MAX_IDENTITY_FILES]; | |
98 | ||
99 | /* Local TCP/IP forward requests. */ | |
100 | int num_local_forwards; | |
101 | Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
102 | ||
103 | /* Remote TCP/IP forward requests. */ | |
104 | int num_remote_forwards; | |
105 | Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
106 | int clear_forwardings; | |
6a9b3198 | 107 | |
108 | int enable_ssh_keysign; | |
0fff78ff | 109 | int rekey_limit; |
d4e9cd2c | 110 | int none_switch; /* use none cipher */ |
111 | int none_enabled; /* Allow none to be used */ | |
3c0ef626 | 112 | int no_host_authentication_for_localhost; |
99be0775 | 113 | int identities_only; |
c9f39d2c | 114 | int server_alive_interval; |
cdd66111 | 115 | int server_alive_count_max; |
c9f39d2c | 116 | |
117 | int num_send_env; | |
118 | char *send_env[MAX_SEND_ENV]; | |
119 | ||
120 | char *control_path; | |
121 | int control_master; | |
996d5e62 | 122 | |
123 | int hash_known_hosts; | |
2c06c99b | 124 | |
125 | int tun_open; /* tun(4) */ | |
126 | int tun_local; /* force tun device (optional) */ | |
127 | int tun_remote; /* force tun device (optional) */ | |
128 | ||
129 | char *local_command; | |
130 | int permit_local_command; | |
131 | ||
3c0ef626 | 132 | } Options; |
133 | ||
665a873d | 134 | #define SSHCTL_MASTER_NO 0 |
135 | #define SSHCTL_MASTER_YES 1 | |
136 | #define SSHCTL_MASTER_AUTO 2 | |
137 | #define SSHCTL_MASTER_ASK 3 | |
138 | #define SSHCTL_MASTER_AUTO_ASK 4 | |
3c0ef626 | 139 | |
140 | void initialize_options(Options *); | |
141 | void fill_default_options(Options *); | |
c9f39d2c | 142 | int read_config_file(const char *, const char *, Options *, int); |
996d5e62 | 143 | int parse_forward(Forward *, const char *); |
3c0ef626 | 144 | |
145 | int | |
146 | process_config_line(Options *, const char *, char *, const char *, int, int *); | |
147 | ||
996d5e62 | 148 | void add_local_forward(Options *, const Forward *); |
149 | void add_remote_forward(Options *, const Forward *); | |
3c0ef626 | 150 | |
151 | #endif /* READCONF_H */ |