1 /* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * Functions for reading the configuration file. 6 * 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". 12 */ 13 14 /* RCSID("$OpenBSD: readconf.h,v 1.37 2001/08/01 22:03:33 markus Exp $"); */ 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 char *xauth_location; /* Location for xauth program */ 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. */ 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 #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. */ 49 #endif 50 #ifdef AFS 51 int afs_token_passing; /* Try AFS token passing. */ 52 #endif 53 int password_authentication; /* Try password 54 * authentication. */ 55 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 56 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 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. */ 67 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. */ 74 char *ciphers; /* SSH2 ciphers in order of preference. */ 75 char *macs; /* SSH2 macs in order of preference. */ 76 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 77 int protocol; /* Protocol in order of preference. */ 78 char *hostname; /* Real host to connect. */ 79 char *host_key_alias; /* hostname alias for .ssh/known_hosts */ 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 */ 83 84 char *system_hostfile;/* Path for /etc/ssh_known_hosts. */ 85 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ 86 char *system_hostfile2; 87 char *user_hostfile2; 88 char *preferred_authentications; 89 char *bind_address; /* local socket address for connection to sshd */ 90 char *smartcard_device; /* Smartcard reader device */ 91 92 int num_identity_files; /* Number of files for RSA/DSA identities. */ 93 char *identity_files[SSH_MAX_IDENTITY_FILES]; 94 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 95 96 /* Local TCP/IP forward requests. */ 97 int num_local_forwards; 98 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 99 100 /* Remote TCP/IP forward requests. */ 101 int num_remote_forwards; 102 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 103 } Options; 104 105 106 void initialize_options(Options *); 107 void fill_default_options(Options *); 108 void read_config_file(const char *, const char *, Options *); 109 110 int 111 process_config_line(Options *, const char *, char *, const char *, int, int *); 112 113 void add_local_forward(Options *, u_short, const char *, u_short); 114 void add_remote_forward(Options *, u_short, const char *, u_short); 115 116 #endif /* READCONF_H */ 117