| /* |
| * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| * All rights reserved |
| * Functions for reading the configuration file. |
| * |
| * As far as I am concerned, the code I have written for this software |
| * can be used freely for any purpose. Any derived versions of this |
| * software must be clearly marked as such, and if the derived work is |
| * incompatible with the protocol description in the RFC file, it must be |
| * called by a name other than "ssh" or "Secure Shell". |
| */ |
| |
| /* RCSID("$OpenBSD: readconf.h,v 1.27 2001/03/08 21:42:32 markus Exp $"); */ |
| |
| #ifndef READCONF_H |
| #define READCONF_H |
| |
| #include "key.h" |
| |
| /* Data structure for representing a forwarding request. */ |
| |
| typedef struct { |
| u_short port; /* Port to forward. */ |
| char *host; /* Host to connect. */ |
| u_short host_port; /* Port to connect on host. */ |
| } Forward; |
| /* Data structure for representing option data. */ |
| |
| typedef struct { |
| int forward_agent; /* Forward authentication agent. */ |
| int forward_x11; /* Forward X11 display. */ |
| char *xauth_location; /* Location for xauth program */ |
| int gateway_ports; /* Allow remote connects to forwarded ports. */ |
| int use_privileged_port; /* Don't use privileged port if false. */ |
| int rhosts_authentication; /* Try rhosts authentication. */ |
| int rhosts_rsa_authentication; /* Try rhosts with RSA |
| * authentication. */ |
| int rsa_authentication; /* Try RSA authentication. */ |
| int pubkey_authentication; /* Try ssh2 pubkey authentication. */ |
| int challenge_reponse_authentication; |
| /* Try S/Key or TIS, authentication. */ |
| #ifdef KRB4 |
| int kerberos_authentication; /* Try Kerberos |
| * authentication. */ |
| #endif |
| #ifdef AFS |
| int kerberos_tgt_passing; /* Try Kerberos tgt passing. */ |
| int afs_token_passing; /* Try AFS token passing. */ |
| #endif |
| int password_authentication; /* Try password |
| * authentication. */ |
| int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ |
| char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ |
| int fallback_to_rsh;/* Use rsh if cannot connect with ssh. */ |
| int use_rsh; /* Always use rsh (don\'t try ssh). */ |
| int batch_mode; /* Batch mode: do not ask for passwords. */ |
| int check_host_ip; /* Also keep track of keys for IP address */ |
| int strict_host_key_checking; /* Strict host key checking. */ |
| int compression; /* Compress packets in both directions. */ |
| int compression_level; /* Compression level 1 (fast) to 9 |
| * (best). */ |
| int keepalives; /* Set SO_KEEPALIVE. */ |
| LogLevel log_level; /* Level for logging. */ |
| |
| int port; /* Port to connect. */ |
| int connection_attempts; /* Max attempts (seconds) before |
| * giving up */ |
| int number_of_password_prompts; /* Max number of password |
| * prompts. */ |
| int cipher; /* Cipher to use. */ |
| char *ciphers; /* SSH2 ciphers in order of preference. */ |
| char *macs; /* SSH2 macs in order of preference. */ |
| int protocol; /* Protocol in order of preference. */ |
| char *hostname; /* Real host to connect. */ |
| char *host_key_alias; /* hostname alias for .ssh/known_hosts */ |
| char *proxy_command; /* Proxy command for connecting the host. */ |
| char *user; /* User to log in as. */ |
| int escape_char; /* Escape character; -2 = none */ |
| |
| char *system_hostfile;/* Path for /etc/ssh_known_hosts. */ |
| char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ |
| char *system_hostfile2; |
| char *user_hostfile2; |
| |
| int num_identity_files; /* Number of files for RSA/DSA identities. */ |
| char *identity_files[SSH_MAX_IDENTITY_FILES]; |
| Key *identity_keys[SSH_MAX_IDENTITY_FILES]; |
| |
| /* Local TCP/IP forward requests. */ |
| int num_local_forwards; |
| Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; |
| |
| /* Remote TCP/IP forward requests. */ |
| int num_remote_forwards; |
| Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; |
| } Options; |
| |
| |
| /* |
| * Initializes options to special values that indicate that they have not yet |
| * been set. Read_config_file will only set options with this value. Options |
| * are processed in the following order: command line, user config file, |
| * system config file. Last, fill_default_options is called. |
| */ |
| void initialize_options(Options * options); |
| |
| /* |
| * Called after processing other sources of option data, this fills those |
| * options for which no value has been specified with their default values. |
| */ |
| void fill_default_options(Options * options); |
| |
| /* |
| * Processes a single option line as used in the configuration files. This |
| * only sets those values that have not already been set. Returns 0 for legal |
| * options |
| */ |
| int |
| process_config_line(Options * options, const char *host, |
| char *line, const char *filename, int linenum, |
| int *activep); |
| |
| /* |
| * Reads the config file and modifies the options accordingly. Options |
| * should already be initialized before this call. This never returns if |
| * there is an error. If the file does not exist, this returns immediately. |
| */ |
| void |
| read_config_file(const char *filename, const char *host, |
| Options * options); |
| |
| /* |
| * Adds a local TCP/IP port forward to options. Never returns if there is an |
| * error. |
| */ |
| void |
| add_local_forward(Options * options, u_short port, const char *host, |
| u_short host_port); |
| |
| /* |
| * Adds a remote TCP/IP port forward to options. Never returns if there is |
| * an error. |
| */ |
| void |
| add_remote_forward(Options * options, u_short port, const char *host, |
| u_short host_port); |
| |
| #endif /* READCONF_H */ |