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1 | /* | |
2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | |
3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
4 | * All rights reserved | |
5 | * Functions for reading the configuration file. | |
6 | * | |
7 | * As far as I am concerned, the code I have written for this software | |
8 | * can be used freely for any purpose. Any derived versions of this | |
9 | * software must be clearly marked as such, and if the derived work is | |
10 | * incompatible with the protocol description in the RFC file, it must be | |
11 | * called by a name other than "ssh" or "Secure Shell". | |
12 | */ | |
13 | ||
14 | /* RCSID("$OpenBSD: readconf.h,v 1.38 2001/09/03 20:58:33 stevesk Exp $"); */ | |
15 | ||
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 { | |
24 | u_short port; /* Port to forward. */ | |
25 | char *host; /* Host to connect. */ | |
26 | u_short host_port; /* Port to connect on host. */ | |
27 | } Forward; | |
28 | /* Data structure for representing option data. */ | |
29 | ||
30 | typedef struct { | |
31 | int forward_agent; /* Forward authentication agent. */ | |
32 | int forward_x11; /* Forward X11 display. */ | |
33 | char *xauth_location; /* Location for xauth program */ | |
34 | int gateway_ports; /* Allow remote connects to forwarded ports. */ | |
35 | int use_privileged_port; /* Don't use privileged port if false. */ | |
36 | int rhosts_authentication; /* Try rhosts authentication. */ | |
37 | int rhosts_rsa_authentication; /* Try rhosts with RSA | |
38 | * authentication. */ | |
39 | int rsa_authentication; /* Try RSA authentication. */ | |
40 | int pubkey_authentication; /* Try ssh2 pubkey authentication. */ | |
41 | int hostbased_authentication; /* ssh2's rhosts_rsa */ | |
42 | int challenge_response_authentication; | |
43 | /* Try S/Key or TIS, authentication. */ | |
44 | #if defined(KRB4) || defined(KRB5) | |
45 | int kerberos_authentication; /* Try Kerberos authentication. */ | |
46 | #endif | |
47 | #if defined(AFS) || defined(KRB5) | |
48 | int kerberos_tgt_passing; /* Try Kerberos TGT passing. */ | |
49 | #endif | |
50 | #ifdef AFS | |
51 | int afs_token_passing; /* Try AFS token passing. */ | |
52 | #endif | |
53 | int password_authentication; /* Try password | |
54 | * authentication. */ | |
55 | int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ | |
56 | char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ | |
57 | int fallback_to_rsh;/* Use rsh if cannot connect with ssh. */ | |
58 | int use_rsh; /* Always use rsh (don\'t try ssh). */ | |
59 | int batch_mode; /* Batch mode: do not ask for passwords. */ | |
60 | int check_host_ip; /* Also keep track of keys for IP address */ | |
61 | int strict_host_key_checking; /* Strict host key checking. */ | |
62 | int compression; /* Compress packets in both directions. */ | |
63 | int compression_level; /* Compression level 1 (fast) to 9 | |
64 | * (best). */ | |
65 | int keepalives; /* Set SO_KEEPALIVE. */ | |
66 | LogLevel log_level; /* Level for logging. */ | |
67 | ||
68 | int port; /* Port to connect. */ | |
69 | int connection_attempts; /* Max attempts (seconds) before | |
70 | * giving up */ | |
71 | int number_of_password_prompts; /* Max number of password | |
72 | * prompts. */ | |
73 | int cipher; /* Cipher to use. */ | |
74 | char *ciphers; /* SSH2 ciphers in order of preference. */ | |
75 | char *macs; /* SSH2 macs in order of preference. */ | |
76 | char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ | |
77 | int protocol; /* Protocol in order of preference. */ | |
78 | char *hostname; /* Real host to connect. */ | |
79 | char *host_key_alias; /* hostname alias for .ssh/known_hosts */ | |
80 | char *proxy_command; /* Proxy command for connecting the host. */ | |
81 | char *user; /* User to log in as. */ | |
82 | int escape_char; /* Escape character; -2 = none */ | |
83 | ||
84 | char *system_hostfile;/* Path for /etc/ssh_known_hosts. */ | |
85 | char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ | |
86 | char *system_hostfile2; | |
87 | char *user_hostfile2; | |
88 | char *preferred_authentications; | |
89 | char *bind_address; /* local socket address for connection to sshd */ | |
90 | char *smartcard_device; /* Smartcard reader device */ | |
91 | ||
92 | int num_identity_files; /* Number of files for RSA/DSA identities. */ | |
93 | char *identity_files[SSH_MAX_IDENTITY_FILES]; | |
94 | Key *identity_keys[SSH_MAX_IDENTITY_FILES]; | |
95 | ||
96 | /* Local TCP/IP forward requests. */ | |
97 | int num_local_forwards; | |
98 | Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
99 | ||
100 | /* Remote TCP/IP forward requests. */ | |
101 | int num_remote_forwards; | |
102 | Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; | |
103 | } Options; | |
104 | ||
105 | ||
106 | void initialize_options(Options *); | |
107 | void fill_default_options(Options *); | |
108 | int read_config_file(const char *, const char *, Options *); | |
109 | ||
110 | int | |
111 | process_config_line(Options *, const char *, char *, const char *, int, int *); | |
112 | ||
113 | void add_local_forward(Options *, u_short, const char *, u_short); | |
114 | void add_remote_forward(Options *, u_short, const char *, u_short); | |
115 | ||
116 | #endif /* READCONF_H */ |