1 /* $OpenBSD: readconf.h,v 1.43 2002/06/08 05:17:01 markus Exp $ */ 2 3 #ifndef _READCONF_H 4 #define _READCONF_H 5 6 #pragma ident "%Z%%M% %I% %E% SMI" 7 8 #ifdef __cplusplus 9 extern "C" { 10 #endif 11 12 13 /* 14 * Author: Tatu Ylonen <ylo@cs.hut.fi> 15 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 16 * All rights reserved 17 * Functions for reading the configuration file. 18 * 19 * As far as I am concerned, the code I have written for this software 20 * can be used freely for any purpose. Any derived versions of this 21 * software must be clearly marked as such, and if the derived work is 22 * incompatible with the protocol description in the RFC file, it must be 23 * called by a name other than "ssh" or "Secure Shell". 24 */ 25 /* 26 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #include "key.h" 31 32 /* Data structure for representing a forwarding request. */ 33 34 typedef struct { 35 u_short port; /* Port to forward. */ 36 char *host; /* Host to connect. */ 37 u_short host_port; /* Port to connect on host. */ 38 } Forward; 39 /* Data structure for representing option data. */ 40 41 typedef struct { 42 int forward_agent; /* Forward authentication agent. */ 43 int forward_x11; /* Forward X11 display. */ 44 int forward_x11_trusted; /* Trust Forward X11 display. */ 45 char *xauth_location; /* Location for xauth program */ 46 int gateway_ports; /* Allow remote connects to forwarded ports. */ 47 int use_privileged_port; /* Don't use privileged port if false. */ 48 int rhosts_authentication; /* Try rhosts authentication. */ 49 int rhosts_rsa_authentication; /* Try rhosts with RSA 50 * authentication. */ 51 int rsa_authentication; /* Try RSA authentication. */ 52 int pubkey_authentication; /* Try ssh2 pubkey authentication. */ 53 int hostbased_authentication; /* ssh2's rhosts_rsa */ 54 int challenge_response_authentication; 55 int fallback_to_rsh; /* Use rsh if cannot connect with ssh. */ 56 int use_rsh; /* Always use rsh(don\'t try ssh). */ 57 /* Try S/Key or TIS, authentication. */ 58 #if defined(KRB4) || defined(KRB5) 59 int kerberos_authentication; /* Try Kerberos authentication. */ 60 #endif 61 #if defined(AFS) || defined(KRB5) 62 int kerberos_tgt_passing; /* Try Kerberos TGT passing. */ 63 #endif 64 65 #ifdef GSSAPI 66 int gss_keyex; 67 int gss_authentication; 68 int gss_deleg_creds; 69 #ifdef GSI 70 int gss_globus_deleg_limited_proxy; 71 #endif /* GSI */ 72 #endif /* GSSAPI */ 73 74 #ifdef AFS 75 int afs_token_passing; /* Try AFS token passing. */ 76 #endif 77 int password_authentication; /* Try password 78 * authentication. */ 79 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 80 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 81 int batch_mode; /* Batch mode: do not ask for passwords. */ 82 int check_host_ip; /* Also keep track of keys for IP address */ 83 int strict_host_key_checking; /* Strict host key checking. */ 84 int compression; /* Compress packets in both directions. */ 85 int compression_level; /* Compression level 1 (fast) to 9 86 * (best). */ 87 int keepalives; /* Set SO_KEEPALIVE. */ 88 LogLevel log_level; /* Level for logging. */ 89 90 int port; /* Port to connect. */ 91 int connection_attempts; /* Max attempts (seconds) before 92 * giving up */ 93 int connection_timeout; /* Max time (seconds) before 94 * aborting connection attempt */ 95 int number_of_password_prompts; /* Max number of password 96 * prompts. */ 97 int cipher; /* Cipher to use. */ 98 char *ciphers; /* SSH2 ciphers in order of preference. */ 99 char *macs; /* SSH2 macs in order of preference. */ 100 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 101 int protocol; /* Protocol in order of preference. */ 102 char *hostname; /* Real host to connect. */ 103 char *host_key_alias; /* hostname alias for .ssh/known_hosts */ 104 char *proxy_command; /* Proxy command for connecting the host. */ 105 char *user; /* User to log in as. */ 106 int escape_char; /* Escape character; -2 = none */ 107 108 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ 109 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ 110 char *system_hostfile2; 111 char *user_hostfile2; 112 char *preferred_authentications; 113 char *bind_address; /* local socket address for connection to sshd */ 114 char *smartcard_device; /* Smartcard reader device */ 115 int disable_banner; /* Disable display of banner */ 116 117 int num_identity_files; /* Number of files for RSA/DSA identities. */ 118 char *identity_files[SSH_MAX_IDENTITY_FILES]; 119 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 120 121 /* Local TCP/IP forward requests. */ 122 int num_local_forwards; 123 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 124 125 /* Remote TCP/IP forward requests. */ 126 int num_remote_forwards; 127 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 128 int clear_forwardings; 129 int no_host_authentication_for_localhost; 130 int server_alive_interval; 131 int server_alive_count_max; 132 } Options; 133 134 135 void initialize_options(Options *); 136 void fill_default_options(Options *); 137 int read_config_file(const char *, const char *, Options *); 138 139 int 140 process_config_line(Options *, const char *, char *, const char *, int, int *); 141 142 void add_local_forward(Options *, u_short, const char *, u_short); 143 void add_remote_forward(Options *, u_short, const char *, u_short); 144 145 #ifdef __cplusplus 146 } 147 #endif 148 149 #endif /* _READCONF_H */ 150