Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 5 | * Functions for reading the configuration file. |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 6 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 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". |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 12 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 13 | |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 14 | /* RCSID("$OpenBSD: readconf.h,v 1.39 2001/09/19 19:24:18 stevesk Exp $"); */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 15 | |
| 16 | #ifndef READCONF_H |
| 17 | #define READCONF_H |
| 18 | |
Ben Lindstrom | 266dfdf | 2001-03-09 00:12:22 +0000 | [diff] [blame] | 19 | #include "key.h" |
| 20 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 21 | /* Data structure for representing a forwarding request. */ |
| 22 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 23 | typedef struct { |
Damien Miller | aae6c61 | 1999-12-06 11:47:28 +1100 | [diff] [blame] | 24 | u_short port; /* Port to forward. */ |
| 25 | char *host; /* Host to connect. */ |
| 26 | u_short host_port; /* Port to connect on host. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 27 | } Forward; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 28 | /* Data structure for representing option data. */ |
| 29 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 30 | typedef struct { |
| 31 | int forward_agent; /* Forward authentication agent. */ |
| 32 | int forward_x11; /* Forward X11 display. */ |
Damien Miller | d3a1857 | 2000-06-07 19:55:44 +1000 | [diff] [blame] | 33 | char *xauth_location; /* Location for xauth program */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 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. */ |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 40 | int pubkey_authentication; /* Try ssh2 pubkey authentication. */ |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 41 | int hostbased_authentication; /* ssh2's rhosts_rsa */ |
Ben Lindstrom | 551ea37 | 2001-06-05 18:56:16 +0000 | [diff] [blame] | 42 | int challenge_response_authentication; |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 43 | /* Try S/Key or TIS, authentication. */ |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 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. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 49 | #endif |
| 50 | #ifdef AFS |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 51 | int afs_token_passing; /* Try AFS token passing. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 52 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 53 | int password_authentication; /* Try password |
| 54 | * authentication. */ |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 55 | int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ |
| 56 | char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 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. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 67 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 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. */ |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 74 | char *ciphers; /* SSH2 ciphers in order of preference. */ |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 75 | char *macs; /* SSH2 macs in order of preference. */ |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 76 | char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 77 | int protocol; /* Protocol in order of preference. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 78 | char *hostname; /* Real host to connect. */ |
Ben Lindstrom | 4dccfa5 | 2000-12-28 16:40:05 +0000 | [diff] [blame] | 79 | char *host_key_alias; /* hostname alias for .ssh/known_hosts */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 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 */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 83 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 84 | char *system_hostfile;/* Path for /etc/ssh_known_hosts. */ |
| 85 | char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 86 | char *system_hostfile2; |
| 87 | char *user_hostfile2; |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 88 | char *preferred_authentications; |
Ben Lindstrom | e0f8804 | 2001-04-30 13:06:24 +0000 | [diff] [blame] | 89 | char *bind_address; /* local socket address for connection to sshd */ |
Ben Lindstrom | f7db3bb | 2001-08-06 21:35:51 +0000 | [diff] [blame] | 90 | char *smartcard_device; /* Smartcard reader device */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 91 | |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 92 | int num_identity_files; /* Number of files for RSA/DSA identities. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 93 | char *identity_files[SSH_MAX_IDENTITY_FILES]; |
Ben Lindstrom | 266dfdf | 2001-03-09 00:12:22 +0000 | [diff] [blame] | 94 | Key *identity_keys[SSH_MAX_IDENTITY_FILES]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 95 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 96 | /* Local TCP/IP forward requests. */ |
| 97 | int num_local_forwards; |
| 98 | Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 99 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 100 | /* Remote TCP/IP forward requests. */ |
| 101 | int num_remote_forwards; |
| 102 | Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; |
Ben Lindstrom | 2b7a0e9 | 2001-09-20 00:57:55 +0000 | [diff] [blame] | 103 | int clear_forwardings; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 104 | } Options; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 105 | |
| 106 | |
Ben Lindstrom | 4cc240d | 2001-07-04 04:46:56 +0000 | [diff] [blame] | 107 | void initialize_options(Options *); |
| 108 | void fill_default_options(Options *); |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame] | 109 | int read_config_file(const char *, const char *, Options *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 110 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 111 | int |
Ben Lindstrom | 16ae3d0 | 2001-07-04 04:02:36 +0000 | [diff] [blame] | 112 | process_config_line(Options *, const char *, char *, const char *, int, int *); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 113 | |
Ben Lindstrom | 4cc240d | 2001-07-04 04:46:56 +0000 | [diff] [blame] | 114 | void add_local_forward(Options *, u_short, const char *, u_short); |
| 115 | void add_remote_forward(Options *, u_short, const char *, u_short); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 116 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 117 | #endif /* READCONF_H */ |