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 2004 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 char *xauth_location; /* Location for xauth program */ 45 int gateway_ports; /* Allow remote connects to forwarded ports. */ 46 int use_privileged_port; /* Don't use privileged port if false. */ 47 int rhosts_authentication; /* Try rhosts authentication. */ 48 int rhosts_rsa_authentication; /* Try rhosts with RSA 49 * authentication. */ 50 int rsa_authentication; /* Try RSA authentication. */ 51 int pubkey_authentication; /* Try ssh2 pubkey authentication. */ 52 int hostbased_authentication; /* ssh2's rhosts_rsa */ 53 int challenge_response_authentication; 54 int fallback_to_rsh; /* Use rsh if cannot connect with ssh. */ 55 int use_rsh; /* Always use rsh(don\'t try ssh). */ 56 /* Try S/Key or TIS, authentication. */ 57 #if defined(KRB4) || defined(KRB5) 58 int kerberos_authentication; /* Try Kerberos authentication. */ 59 #endif 60 #if defined(AFS) || defined(KRB5) 61 int kerberos_tgt_passing; /* Try Kerberos TGT passing. */ 62 #endif 63 64 #ifdef GSSAPI 65 int gss_keyex; 66 int gss_authentication; 67 int gss_deleg_creds; 68 #ifdef GSI 69 int gss_globus_deleg_limited_proxy; 70 #endif /* GSI */ 71 #endif /* GSSAPI */ 72 73 #ifdef AFS 74 int afs_token_passing; /* Try AFS token passing. */ 75 #endif 76 int password_authentication; /* Try password 77 * authentication. */ 78 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 79 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 80 int batch_mode; /* Batch mode: do not ask for passwords. */ 81 int check_host_ip; /* Also keep track of keys for IP address */ 82 int strict_host_key_checking; /* Strict host key checking. */ 83 int compression; /* Compress packets in both directions. */ 84 int compression_level; /* Compression level 1 (fast) to 9 85 * (best). */ 86 int keepalives; /* Set SO_KEEPALIVE. */ 87 LogLevel log_level; /* Level for logging. */ 88 89 int port; /* Port to connect. */ 90 int connection_attempts; /* Max attempts (seconds) before 91 * giving up */ 92 int number_of_password_prompts; /* Max number of password 93 * prompts. */ 94 int cipher; /* Cipher to use. */ 95 char *ciphers; /* SSH2 ciphers in order of preference. */ 96 char *macs; /* SSH2 macs in order of preference. */ 97 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 98 int protocol; /* Protocol in order of preference. */ 99 char *hostname; /* Real host to connect. */ 100 char *host_key_alias; /* hostname alias for .ssh/known_hosts */ 101 char *proxy_command; /* Proxy command for connecting the host. */ 102 char *user; /* User to log in as. */ 103 int escape_char; /* Escape character; -2 = none */ 104 105 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ 106 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ 107 char *system_hostfile2; 108 char *user_hostfile2; 109 char *preferred_authentications; 110 char *bind_address; /* local socket address for connection to sshd */ 111 char *smartcard_device; /* Smartcard reader device */ 112 113 int num_identity_files; /* Number of files for RSA/DSA identities. */ 114 char *identity_files[SSH_MAX_IDENTITY_FILES]; 115 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 116 117 /* Local TCP/IP forward requests. */ 118 int num_local_forwards; 119 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 120 121 /* Remote TCP/IP forward requests. */ 122 int num_remote_forwards; 123 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 124 int clear_forwardings; 125 int no_host_authentication_for_localhost; 126 } Options; 127 128 129 void initialize_options(Options *); 130 void fill_default_options(Options *); 131 int read_config_file(const char *, const char *, Options *); 132 133 int 134 process_config_line(Options *, const char *, char *, const char *, int, int *); 135 136 void add_local_forward(Options *, u_short, const char *, u_short); 137 void add_remote_forward(Options *, u_short, const char *, u_short); 138 139 #ifdef __cplusplus 140 } 141 #endif 142 143 #endif /* _READCONF_H */ 144