1 /* $OpenBSD: readconf.h,v 1.60 2004/03/05 10:53:58 markus Exp $ */ 2 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 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 int forward_x11_trusted; /* Trust Forward X11 display. */ 34 char *xauth_location; /* Location for xauth program */ 35 int gateway_ports; /* Allow remote connects to forwarded ports. */ 36 int use_privileged_port; /* Don't use privileged port if false. */ 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 int gss_authentication; /* Try GSS authentication */ 45 int gss_deleg_creds; /* Delegate GSS credentials */ 46 int password_authentication; /* Try password 47 * authentication. */ 48 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 49 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 50 int batch_mode; /* Batch mode: do not ask for passwords. */ 51 int check_host_ip; /* Also keep track of keys for IP address */ 52 int strict_host_key_checking; /* Strict host key checking. */ 53 int compression; /* Compress packets in both directions. */ 54 int compression_level; /* Compression level 1 (fast) to 9 55 * (best). */ 56 int tcp_keep_alive; /* Set SO_KEEPALIVE. */ 57 LogLevel log_level; /* Level for logging. */ 58 59 int port; /* Port to connect. */ 60 int address_family; 61 int connection_attempts; /* Max attempts (seconds) before 62 * giving up */ 63 int connection_timeout; /* Max time (seconds) before 64 * aborting connection attempt */ 65 int number_of_password_prompts; /* Max number of password 66 * prompts. */ 67 int cipher; /* Cipher to use. */ 68 char *ciphers; /* SSH2 ciphers in order of preference. */ 69 char *macs; /* SSH2 macs in order of preference. */ 70 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 71 int protocol; /* Protocol in order of preference. */ 72 char *hostname; /* Real host to connect. */ 73 char *host_key_alias; /* hostname alias for .ssh/known_hosts */ 74 char *proxy_command; /* Proxy command for connecting the host. */ 75 char *user; /* User to log in as. */ 76 int escape_char; /* Escape character; -2 = none */ 77 78 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ 79 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ 80 char *system_hostfile2; 81 char *user_hostfile2; 82 char *preferred_authentications; 83 char *bind_address; /* local socket address for connection to sshd */ 84 char *smartcard_device; /* Smartcard reader device */ 85 int verify_host_key_dns; /* Verify host key using DNS */ 86 87 int num_identity_files; /* Number of files for RSA/DSA identities. */ 88 char *identity_files[SSH_MAX_IDENTITY_FILES]; 89 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 90 91 /* Local TCP/IP forward requests. */ 92 int num_local_forwards; 93 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 94 95 /* Remote TCP/IP forward requests. */ 96 int num_remote_forwards; 97 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 98 int clear_forwardings; 99 100 int enable_ssh_keysign; 101 int rekey_limit; 102 int no_host_authentication_for_localhost; 103 int identities_only; 104 int server_alive_interval; 105 int server_alive_count_max; 106 } Options; 107 108 109 void initialize_options(Options *); 110 void fill_default_options(Options *); 111 int read_config_file(const char *, const char *, Options *); 112 113 int 114 process_config_line(Options *, const char *, char *, const char *, int, int *); 115 116 void add_local_forward(Options *, u_short, const char *, u_short); 117 void add_remote_forward(Options *, u_short, const char *, u_short); 118 119 #endif /* READCONF_H */ 120