Annotation of src/usr.bin/ssh/readconf.h, Revision 1.92
1.92 ! dtucker 1: /* $OpenBSD: readconf.h,v 1.91 2011/09/23 07:45:05 markus Exp $ */
1.42 stevesk 2:
1.1 deraadt 3: /*
1.11 deraadt 4: * Author: Tatu Ylonen <ylo@cs.hut.fi>
5: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6: * All rights reserved
7: * Functions for reading the configuration file.
1.15 markus 8: *
1.21 deraadt 9: * As far as I am concerned, the code I have written for this software
10: * can be used freely for any purpose. Any derived versions of this
11: * software must be clearly marked as such, and if the derived work is
12: * incompatible with the protocol description in the RFC file, it must be
13: * called by a name other than "ssh" or "Secure Shell".
1.11 deraadt 14: */
1.1 deraadt 15:
16: #ifndef READCONF_H
17: #define READCONF_H
1.27 markus 18:
1.1 deraadt 19: /* Data structure for representing a forwarding request. */
20:
1.11 deraadt 21: typedef struct {
1.65 djm 22: char *listen_host; /* Host (address) to listen on. */
1.77 djm 23: int listen_port; /* Port to forward. */
1.65 djm 24: char *connect_host; /* Host to connect. */
1.77 djm 25: int connect_port; /* Port to connect on connect_host. */
1.83 markus 26: int allocated_port; /* Dynamically allocated listen port */
1.91 markus 27: int handle; /* Handle for dynamic listen ports */
1.11 deraadt 28: } Forward;
1.1 deraadt 29: /* Data structure for representing option data. */
30:
1.90 djm 31: #define MAX_SEND_ENV 256
32: #define SSH_MAX_HOSTS_FILES 256
1.62 djm 33:
1.11 deraadt 34: typedef struct {
35: int forward_agent; /* Forward authentication agent. */
36: int forward_x11; /* Forward X11 display. */
1.85 djm 37: int forward_x11_timeout; /* Expiration for Cookies */
1.56 markus 38: int forward_x11_trusted; /* Trust Forward X11 display. */
1.70 markus 39: int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */
1.19 markus 40: char *xauth_location; /* Location for xauth program */
1.11 deraadt 41: int gateway_ports; /* Allow remote connects to forwarded ports. */
42: int use_privileged_port; /* Don't use privileged port if false. */
43: int rhosts_rsa_authentication; /* Try rhosts with RSA
44: * authentication. */
45: int rsa_authentication; /* Try RSA authentication. */
1.23 markus 46: int pubkey_authentication; /* Try ssh2 pubkey authentication. */
1.29 markus 47: int hostbased_authentication; /* ssh2's rhosts_rsa */
1.32 markus 48: int challenge_response_authentication;
1.25 markus 49: /* Try S/Key or TIS, authentication. */
1.54 markus 50: int gss_authentication; /* Try GSS authentication */
51: int gss_deleg_creds; /* Delegate GSS credentials */
1.11 deraadt 52: int password_authentication; /* Try password
53: * authentication. */
1.22 markus 54: int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
55: char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
1.76 djm 56: int zero_knowledge_password_authentication; /* Try jpake */
1.11 deraadt 57: int batch_mode; /* Batch mode: do not ask for passwords. */
58: int check_host_ip; /* Also keep track of keys for IP address */
59: int strict_host_key_checking; /* Strict host key checking. */
60: int compression; /* Compress packets in both directions. */
61: int compression_level; /* Compression level 1 (fast) to 9
62: * (best). */
1.58 markus 63: int tcp_keep_alive; /* Set SO_KEEPALIVE. */
1.88 djm 64: int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */
65: int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */
1.11 deraadt 66: LogLevel log_level; /* Level for logging. */
67:
68: int port; /* Port to connect. */
1.51 djm 69: int address_family;
1.11 deraadt 70: int connection_attempts; /* Max attempts (seconds) before
71: * giving up */
1.50 djm 72: int connection_timeout; /* Max time (seconds) before
1.57 djm 73: * aborting connection attempt */
1.11 deraadt 74: int number_of_password_prompts; /* Max number of password
75: * prompts. */
76: int cipher; /* Cipher to use. */
1.18 markus 77: char *ciphers; /* SSH2 ciphers in order of preference. */
1.26 markus 78: char *macs; /* SSH2 macs in order of preference. */
1.30 markus 79: char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
1.87 djm 80: char *kex_algorithms; /* SSH2 kex methods in order of preference. */
1.14 markus 81: int protocol; /* Protocol in order of preference. */
1.11 deraadt 82: char *hostname; /* Real host to connect. */
1.24 markus 83: char *host_key_alias; /* hostname alias for .ssh/known_hosts */
1.11 deraadt 84: char *proxy_command; /* Proxy command for connecting the host. */
85: char *user; /* User to log in as. */
86: int escape_char; /* Escape character; -2 = none */
87:
1.90 djm 88: u_int num_system_hostfiles; /* Paths for /etc/ssh/ssh_known_hosts */
89: char *system_hostfiles[SSH_MAX_HOSTS_FILES];
90: u_int num_user_hostfiles; /* Path for $HOME/.ssh/known_hosts */
91: char *user_hostfiles[SSH_MAX_HOSTS_FILES];
1.28 markus 92: char *preferred_authentications;
1.31 markus 93: char *bind_address; /* local socket address for connection to sshd */
1.82 markus 94: char *pkcs11_provider; /* PKCS#11 provider */
1.48 jakob 95: int verify_host_key_dns; /* Verify host key using DNS */
1.11 deraadt 96:
1.23 markus 97: int num_identity_files; /* Number of files for RSA/DSA identities. */
1.11 deraadt 98: char *identity_files[SSH_MAX_IDENTITY_FILES];
1.92 ! dtucker 99: int identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
1.27 markus 100: Key *identity_keys[SSH_MAX_IDENTITY_FILES];
1.11 deraadt 101:
102: /* Local TCP/IP forward requests. */
103: int num_local_forwards;
1.84 djm 104: Forward *local_forwards;
1.11 deraadt 105:
106: /* Remote TCP/IP forward requests. */
107: int num_remote_forwards;
1.84 djm 108: Forward *remote_forwards;
1.39 stevesk 109: int clear_forwardings;
1.44 markus 110:
111: int enable_ssh_keysign;
1.72 djm 112: int64_t rekey_limit;
1.40 markus 113: int no_host_authentication_for_localhost;
1.60 markus 114: int identities_only;
1.64 deraadt 115: int server_alive_interval;
1.59 markus 116: int server_alive_count_max;
1.62 djm 117:
118: int num_send_env;
119: char *send_env[MAX_SEND_ENV];
1.63 djm 120:
121: char *control_path;
122: int control_master;
1.86 djm 123: int control_persist; /* ControlPersist flag */
124: int control_persist_timeout; /* ControlPersist timeout (seconds) */
1.66 djm 125:
126: int hash_known_hosts;
1.68 reyk 127:
128: int tun_open; /* tun(4) */
129: int tun_local; /* force tun device (optional) */
130: int tun_remote; /* force tun device (optional) */
131:
132: char *local_command;
133: int permit_local_command;
1.74 grunk 134: int visual_host_key;
1.79 andreas 135:
136: int use_roaming;
1.80 reyk 137:
1.89 djm 138: int request_tty;
1.11 deraadt 139: } Options;
1.1 deraadt 140:
1.67 djm 141: #define SSHCTL_MASTER_NO 0
142: #define SSHCTL_MASTER_YES 1
143: #define SSHCTL_MASTER_AUTO 2
144: #define SSHCTL_MASTER_ASK 3
145: #define SSHCTL_MASTER_AUTO_ASK 4
1.89 djm 146:
147: #define REQUEST_TTY_AUTO 0
148: #define REQUEST_TTY_NO 1
149: #define REQUEST_TTY_YES 2
150: #define REQUEST_TTY_FORCE 3
1.1 deraadt 151:
1.35 markus 152: void initialize_options(Options *);
153: void fill_default_options(Options *);
1.61 djm 154: int read_config_file(const char *, const char *, Options *, int);
1.78 djm 155: int parse_forward(Forward *, const char *, int, int);
1.35 markus 156:
1.15 markus 157: int
1.33 itojun 158: process_config_line(Options *, const char *, char *, const char *, int, int *);
1.1 deraadt 159:
1.65 djm 160: void add_local_forward(Options *, const Forward *);
161: void add_remote_forward(Options *, const Forward *);
1.92 ! dtucker 162: void add_identity_file(Options *, const char *, const char *, int);
1.1 deraadt 163:
1.11 deraadt 164: #endif /* READCONF_H */
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