1 /* $MirOS: src/usr.bin/ssh/readconf.h,v 1.15 2014/03/28 22:31:57 tg Exp $ */ 2 /* $OpenBSD: readconf.h,v 1.79 2009/06/27 09:35:06 andreas Exp $ */ 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 /* Data structure for representing a forwarding request. */ 21 22 typedef struct { 23 char *listen_host; /* Host (address) to listen on. */ 24 int listen_port; /* Port to forward. */ 25 char *connect_host; /* Host to connect. */ 26 int connect_port; /* Port to connect on connect_host. */ 27 } Forward; 28 /* Data structure for representing option data. */ 29 30 #define MAX_SEND_ENV 256 31 32 typedef struct { 33 int forward_agent; /* Forward authentication agent. */ 34 int forward_x11; /* Forward X11 display. */ 35 int forward_x11_trusted; /* Trust Forward X11 display. */ 36 int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */ 37 char *xauth_location; /* Location for xauth program */ 38 int gateway_ports; /* Allow remote connects to forwarded ports. */ 39 int use_privileged_port; /* Don't use privileged port if false. */ 40 int rhosts_rsa_authentication; /* Try rhosts with RSA 41 * authentication. */ 42 int rsa_authentication; /* Try RSA authentication. */ 43 int pubkey_authentication; /* Try ssh2 pubkey authentication. */ 44 int hostbased_authentication; /* ssh2's rhosts_rsa */ 45 int challenge_response_authentication; 46 /* Try S/Key or TIS, authentication. */ 47 int password_authentication; /* Try password 48 * authentication. */ 49 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ 50 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ 51 int batch_mode; /* Batch mode: do not ask for passwords. */ 52 int check_host_ip; /* Also keep track of keys for IP address */ 53 int strict_host_key_checking; /* Strict host key checking. */ 54 int compression; /* Compress packets in both directions. */ 55 int compression_level; /* Compression level 1 (fast) to 9 56 * (best). */ 57 int tcp_keep_alive; /* Set SO_KEEPALIVE. */ 58 LogLevel log_level; /* Level for logging. */ 59 60 int port; /* Port to connect. */ 61 int address_family; 62 int connection_attempts; /* Max attempts (seconds) before 63 * giving up */ 64 int connection_timeout; /* Max time (seconds) before 65 * aborting connection attempt */ 66 int number_of_password_prompts; /* Max number of password 67 * prompts. */ 68 int cipher; /* Cipher to use. */ 69 const char *ciphers; /* SSH2 ciphers in order of preference. */ 70 const char *macs; /* SSH2 macs in order of preference. */ 71 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */ 72 int protocol; /* Protocol in order of preference. */ 73 char *hostname; /* Real host to connect. */ 74 char *host_key_alias; /* hostname alias for .etc/ssh/known_hosts */ 75 char *proxy_command; /* Proxy command for connecting the host. */ 76 char *user; /* User to log in as. */ 77 int escape_char; /* Escape character; -2 = none */ 78 79 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */ 80 char *user_hostfile; /* Path for $HOME/.etc/ssh/known_hosts. */ 81 char *system_hostfile2; 82 char *user_hostfile2; 83 char *preferred_authentications; 84 char *bind_address; /* local socket address for connection to sshd */ 85 char *smartcard_device; /* Smartcard reader device */ 86 int verify_host_key_dns; /* Verify host key using DNS */ 87 88 int num_identity_files; /* Number of files for RSA/DSA identities. */ 89 char *identity_files[SSH_MAX_IDENTITY_FILES]; 90 Key *identity_keys[SSH_MAX_IDENTITY_FILES]; 91 92 /* Local TCP/IP forward requests. */ 93 int num_local_forwards; 94 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 95 96 /* Remote TCP/IP forward requests. */ 97 int num_remote_forwards; 98 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; 99 int clear_forwardings; 100 101 int enable_ssh_keysign; 102 int64_t rekey_limit; 103 int no_host_authentication_for_localhost; 104 int identities_only; 105 int server_alive_interval; 106 int server_alive_count_max; 107 108 int num_send_env; 109 char *send_env[MAX_SEND_ENV]; 110 111 char *control_path; 112 int control_master; 113 114 int hash_known_hosts; 115 116 int tun_open; /* tun(4) */ 117 int tun_local; /* force tun device (optional) */ 118 int tun_remote; /* force tun device (optional) */ 119 120 char *local_command; 121 int permit_local_command; 122 int visual_host_key; 123 124 int use_roaming; 125 126 } Options; 127 128 #define SSHCTL_MASTER_NO 0 129 #define SSHCTL_MASTER_YES 1 130 #define SSHCTL_MASTER_AUTO 2 131 #define SSHCTL_MASTER_ASK 3 132 #define SSHCTL_MASTER_AUTO_ASK 4 133 134 struct passwd; /* in case this was not imported */ 135 136 void initialize_options(Options *); 137 void fill_default_options(Options *, struct passwd *); 138 int read_config_file(const char *, const char *, Options *, int); 139 int parse_forward(Forward *, const char *, int, int); 140 141 int 142 process_config_line(Options *, const char *, char *, const char *, int, int *); 143 144 void add_local_forward(Options *, const Forward *); 145 void add_remote_forward(Options *, const Forward *); 146 147 #endif /* READCONF_H */ 148