Annotation of src/usr.bin/ssh/readconf.h, Revision 1.7
1.1 deraadt 1: /*
2:
3: readconf.h
4:
5: Author: Tatu Ylonen <ylo@cs.hut.fi>
6:
7: Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8: All rights reserved
9:
10: Created: Sat Apr 22 00:25:29 1995 ylo
11:
12: Functions for reading the configuration file.
13:
14: */
15:
1.7 ! markus 16: /* RCSID("$Id: readconf.h,v 1.6 1999/10/06 20:07:42 dugsong Exp $"); */
1.1 deraadt 17:
18: #ifndef READCONF_H
19: #define READCONF_H
20:
21: /* Data structure for representing a forwarding request. */
22:
23: typedef struct
24: {
25: int port; /* Port to forward. */
26: char *host; /* Host to connect. */
27: int host_port; /* Port to connect on host. */
28: } Forward;
29:
30: /* Data structure for representing option data. */
31:
32: typedef struct
33: {
34: int forward_agent; /* Forward authentication agent. */
35: int forward_x11; /* Forward X11 display. */
1.2 deraadt 36: int gateway_ports; /* Allow remote connects to forwarded ports. */
1.7 ! markus 37: int use_privileged_port; /* Don't use privileged port if false. */
1.1 deraadt 38: int rhosts_authentication; /* Try rhosts authentication. */
39: int rhosts_rsa_authentication;/* Try rhosts with RSA authentication. */
40: int rsa_authentication; /* Try RSA authentication. */
41: #ifdef KRB4
42: int kerberos_authentication; /* Try Kerberos authentication. */
43: #endif
1.3 dugsong 44: #ifdef AFS
1.1 deraadt 45: int kerberos_tgt_passing; /* Try Kerberos tgt passing. */
46: int afs_token_passing; /* Try AFS token passing. */
47: #endif
48: int password_authentication; /* Try password authentication. */
49: int fallback_to_rsh; /* Use rsh if cannot connect with ssh. */
50: int use_rsh; /* Always use rsh (don\'t try ssh). */
51: int batch_mode; /* Batch mode: do not ask for passwords. */
1.5 provos 52: int check_host_ip; /* Also keep track of keys for IP address */
1.1 deraadt 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 (best). */
56: int keepalives; /* Set SO_KEEPALIVE. */
57:
58: int port; /* Port to connect. */
59: int connection_attempts; /* Max attempts (seconds) before giving up */
1.6 dugsong 60: int number_of_password_prompts; /* Max number of password prompts. */
1.1 deraadt 61: int cipher; /* Cipher to use. */
62: char *hostname; /* Real host to connect. */
63: char *proxy_command; /* Proxy command for connecting the host. */
64: char *user; /* User to log in as. */
65: int escape_char; /* Escape character; -2 = none */
66:
67: char *system_hostfile; /* Path for /etc/ssh_known_hosts. */
68: char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
69:
70: int num_identity_files; /* Number of files for RSA identities. */
71: char *identity_files[SSH_MAX_IDENTITY_FILES];
72:
73: /* Local TCP/IP forward requests. */
74: int num_local_forwards;
75: Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
76:
77: /* Remote TCP/IP forward requests. */
78: int num_remote_forwards;
79: Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
80: } Options;
81:
82:
83: /* Initializes options to special values that indicate that they have not
84: yet been set. Read_config_file will only set options with this value.
85: Options are processed in the following order: command line, user config
86: file, system config file. Last, fill_default_options is called. */
87: void initialize_options(Options *options);
88:
89: /* Called after processing other sources of option data, this fills those
90: options for which no value has been specified with their default values. */
91: void fill_default_options(Options *options);
92:
93: /* Processes a single option line as used in the configuration files.
94: This only sets those values that have not already been set. */
95: void process_config_line(Options *options, const char *host,
96: char *line, const char *filename, int linenum,
97: int *activep);
98:
99: /* Reads the config file and modifies the options accordingly. Options should
100: already be initialized before this call. This never returns if there
101: is an error. If the file does not exist, this returns immediately. */
102: void read_config_file(const char *filename, const char *host,
103: Options *options);
104:
105: /* Adds a local TCP/IP port forward to options. Never returns if there
106: is an error. */
107: void add_local_forward(Options *options, int port, const char *host,
108: int host_port);
109:
110: /* Adds a remote TCP/IP port forward to options. Never returns if there
111: is an error. */
112: void add_remote_forward(Options *options, int port, const char *host,
113: int host_port);
114:
115:
116: #endif /* READCONF_H */