X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/e7c0f9d591754e0c5512aa3cb5543dbb4e45605b..HEAD:/readconf.h diff --git a/readconf.h b/readconf.h index adb39755..f7c0b9c6 100644 --- a/readconf.h +++ b/readconf.h @@ -1,118 +1,147 @@ -/* - -readconf.h - -Author: Tatu Ylonen - -Copyright (c) 1995 Tatu Ylonen , Espoo, Finland - All rights reserved - -Created: Sat Apr 22 00:25:29 1995 ylo +/* $OpenBSD: readconf.h,v 1.81 2010/01/09 23:04:13 dtucker Exp $ */ -Functions for reading the configuration file. - -*/ - -/* RCSID("$Id$"); */ +/* + * Author: Tatu Ylonen + * Copyright (c) 1995 Tatu Ylonen , 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". + */ #ifndef READCONF_H #define READCONF_H /* Data structure for representing a forwarding request. */ -typedef struct -{ - int port; /* Port to forward. */ - char *host; /* Host to connect. */ - int host_port; /* Port to connect on host. */ -} Forward; - +typedef struct { + char *listen_host; /* Host (address) to listen on. */ + int listen_port; /* Port to forward. */ + char *connect_host; /* Host to connect. */ + int connect_port; /* Port to connect on connect_host. */ +} Forward; /* Data structure for representing option data. */ -typedef struct -{ - int forward_agent; /* Forward authentication agent. */ - int forward_x11; /* Forward X11 display. */ - 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. */ -#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 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 *hostname; /* Real host to connect. */ - 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. */ - - int num_identity_files; /* Number of files for RSA identities. */ - char *identity_files[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, int port, const char *host, - int host_port); - -/* Adds a remote TCP/IP port forward to options. Never returns if there - is an error. */ -void add_remote_forward(Options *options, int port, const char *host, - int host_port); - - -#endif /* READCONF_H */ +#define MAX_SEND_ENV 256 + +typedef struct { + int forward_agent; /* Forward authentication agent. */ + int forward_x11; /* Forward X11 display. */ + int forward_x11_trusted; /* Trust Forward X11 display. */ + int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */ + 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_rsa_authentication; /* Try rhosts with RSA + * authentication. */ + int rsa_authentication; /* Try RSA authentication. */ + int pubkey_authentication; /* Try ssh2 pubkey authentication. */ + int hostbased_authentication; /* ssh2's rhosts_rsa */ + int challenge_response_authentication; + /* Try S/Key or TIS, authentication. */ + int gss_authentication; /* Try GSS authentication */ + int gss_deleg_creds; /* Delegate GSS credentials */ + int password_authentication; /* Try password + * authentication. */ + int kbd_interactive_authentication; /* Try keyboard-interactive auth. */ + char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */ + int zero_knowledge_password_authentication; /* Try jpake */ + 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 tcp_keep_alive; /* Set SO_KEEPALIVE. */ + LogLevel log_level; /* Level for logging. */ + + int port; /* Port to connect. */ + int address_family; + int connection_attempts; /* Max attempts (seconds) before + * giving up */ + int connection_timeout; /* Max time (seconds) before + * aborting connection attempt */ + 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. */ + char *hostkeyalgorithms; /* SSH2 server key types 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/ssh_known_hosts. */ + char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */ + char *system_hostfile2; + char *user_hostfile2; + char *preferred_authentications; + char *bind_address; /* local socket address for connection to sshd */ + char *smartcard_device; /* Smartcard reader device */ + int verify_host_key_dns; /* Verify host key using DNS */ + + 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]; + int clear_forwardings; + + int enable_ssh_keysign; + int64_t rekey_limit; + int no_host_authentication_for_localhost; + int identities_only; + int server_alive_interval; + int server_alive_count_max; + + int num_send_env; + char *send_env[MAX_SEND_ENV]; + + char *control_path; + int control_master; + + int hash_known_hosts; + + int tun_open; /* tun(4) */ + int tun_local; /* force tun device (optional) */ + int tun_remote; /* force tun device (optional) */ + + char *local_command; + int permit_local_command; + int visual_host_key; + + int use_roaming; + +} Options; + +#define SSHCTL_MASTER_NO 0 +#define SSHCTL_MASTER_YES 1 +#define SSHCTL_MASTER_AUTO 2 +#define SSHCTL_MASTER_ASK 3 +#define SSHCTL_MASTER_AUTO_ASK 4 + +void initialize_options(Options *); +void fill_default_options(Options *); +int read_config_file(const char *, const char *, Options *, int); +int parse_forward(Forward *, const char *, int, int); + +int +process_config_line(Options *, const char *, char *, const char *, int, int *); + +void add_local_forward(Options *, const Forward *); +void add_remote_forward(Options *, const Forward *); + +#endif /* READCONF_H */