1 /* $OpenBSD: readconf.h,v 1.42 2002/03/04 17:27:39 stevesk Exp $ */ 2 /* $FreeBSD$ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 7 * All rights reserved 8 * Functions for reading the configuration file. 9 * 10 * As far as I am concerned, the code I have written for this software 11 * can be used freely for any purpose. Any derived versions of this 12 * software must be clearly marked as such, and if the derived work is 13 * incompatible with the protocol description in the RFC file, it must be 14 * called by a name other than "ssh" or "Secure Shell". 15 */ 16 17 #ifndef READCONF_H 18 #define READCONF_H 19 20 #include "key.h" 21 22 /* Data structure for representing a forwarding request. */ 23 24 typedef struct { 25 u_short port; /* Port to forward. */ 26 char *host; /* Host to connect. */ 27 u_short host_port; /* Port to connect on host. */ 28 } Forward; 29 /* Data structure for representing option data. */ 30 31 typedef struct { 32 int forward_agent; /* Forward authentication agent. */ 33 int forward_x11; /* 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_authentication; /* Try rhosts authentication. */ 38 int rhosts_rsa_authentication; /* Try rhosts with RSA 39 * authentication. */ 40 int rsa_authentication; /* Try RSA authentication. */ 41 int pubkey_authentication; /* Try ssh2 pubkey authentication. */ 42 int hostbased_authentication; /* ssh2's rhosts_rsa */ 43 int challenge_response_authentication; 44 /* Try S/Key or TIS, authentication. */ 45 #if defined(KRB4) || defined(KRB5) 46 int kerberos_authentication; /* Try Kerberos authentication. */ 47 #endif 48 #if defined(AFS) || defined(KRB5) 49 int kerberos_tgt_passing; /* Try Kerberos TGT passing. */ 50 #endif 51 #ifdef AFS 52 int afs_token_passing; /* Try AFS token passing. */ 53 #endif 54 int password_authentication; /* Try password 55 * authentication. */ 56 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 57 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 58 int fallback_to_rsh;/* Use rsh if cannot connect with ssh. */ 59 int use_rsh; /* Always use rsh (don\'t try ssh). */ 60 int batch_mode; /* Batch mode: do not ask for passwords. */ 61 int check_host_ip; /* Also keep track of keys for IP address */ 62 int strict_host_key_checking; /* Strict host key checking. */ 63 int compression; /* Compress packets in both directions. */ 64 int compression_level; /* Compression level 1 (fast) to 9 65 * (best). */ 66 int keepalives; /* Set SO_KEEPALIVE. */ 67 LogLevel log_level; /* Level for logging. */ 68 69 int port; /* Port to connect. */ 70 int connection_attempts; /* Max attempts (seconds) before 71 * giving up */ 72 int number_of_password_prompts; /* Max number of password 73 * prompts. */ 74 int cipher; /* Cipher to use. */ 75 char *ciphers; /* SSH2 ciphers in order of preference. */ 76 char *macs; /* SSH2 macs in order of preference. */ 77 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 78 int protocol; /* Protocol in order of preference. */ 79 char *hostname; /* Real host to connect. */ 80 char *host_key_alias; /* hostname alias for .ssh/known_hosts */ 81 char *proxy_command; /* Proxy command for connecting the host. */ 82 char *user; /* User to log in as. */ 83 int escape_char; /* Escape character; -2 = none */ 84 85 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ 86 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ 87 char *system_hostfile2; 88 char *user_hostfile2; 89 char *preferred_authentications; 90 char *bind_address; /* local socket address for connection to sshd */ 91 char *smartcard_device; /* Smartcard reader device */ 92 93 int num_identity_files; /* Number of files for RSA/DSA identities. */ 94 char *identity_files[SSH_MAX_IDENTITY_FILES]; 95 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 96 97 /* Local TCP/IP forward requests. */ 98 int num_local_forwards; 99 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 100 101 /* Remote TCP/IP forward requests. */ 102 int num_remote_forwards; 103 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 104 int clear_forwardings; 105 int no_host_authentication_for_localhost; 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