Annotation of src/usr.bin/ssh/readconf.h, Revision 1.2
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:
1.2 ! deraadt 16: /* RCSID("$Id: readconf.h,v 1.1 1999/09/26 20:53:37 deraadt 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. */
1.1 deraadt 37: int rhosts_authentication; /* Try rhosts authentication. */
38: int rhosts_rsa_authentication;/* Try rhosts with RSA authentication. */
39: int rsa_authentication; /* Try RSA authentication. */
40: #ifdef KRB4
41: int kerberos_authentication; /* Try Kerberos authentication. */
42: #endif
43: #ifdef KERBEROS_TGT_PASSING
44: int kerberos_tgt_passing; /* Try Kerberos tgt passing. */
45: #endif
46: #ifdef AFS
47: int afs_token_passing; /* Try AFS token passing. */
48: #endif
49: int password_authentication; /* Try password authentication. */
50: int fallback_to_rsh; /* Use rsh if cannot connect with ssh. */
51: int use_rsh; /* Always use rsh (don\'t try ssh). */
52: int batch_mode; /* Batch mode: do not ask for passwords. */
53: int strict_host_key_checking; /* Strict host key checking. */
54: #ifdef WITH_ZLIB
55: int compression; /* Compress packets in both directions. */
56: int compression_level; /* Compression level 1 (fast) to 9 (best). */
57: #endif /* WITH_ZLIB */
58: int keepalives; /* Set SO_KEEPALIVE. */
59:
60: int port; /* Port to connect. */
61: int connection_attempts; /* Max attempts (seconds) before giving up */
62: int cipher; /* Cipher to use. */
63: char *hostname; /* Real host to connect. */
64: char *proxy_command; /* Proxy command for connecting the host. */
65: char *user; /* User to log in as. */
66: int escape_char; /* Escape character; -2 = none */
67:
68: char *system_hostfile; /* Path for /etc/ssh_known_hosts. */
69: char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
70:
71: int num_identity_files; /* Number of files for RSA identities. */
72: char *identity_files[SSH_MAX_IDENTITY_FILES];
73:
74: /* Local TCP/IP forward requests. */
75: int num_local_forwards;
76: Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
77:
78: /* Remote TCP/IP forward requests. */
79: int num_remote_forwards;
80: Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
81: } Options;
82:
83:
84: /* Initializes options to special values that indicate that they have not
85: yet been set. Read_config_file will only set options with this value.
86: Options are processed in the following order: command line, user config
87: file, system config file. Last, fill_default_options is called. */
88: void initialize_options(Options *options);
89:
90: /* Called after processing other sources of option data, this fills those
91: options for which no value has been specified with their default values. */
92: void fill_default_options(Options *options);
93:
94: /* Processes a single option line as used in the configuration files.
95: This only sets those values that have not already been set. */
96: void process_config_line(Options *options, const char *host,
97: char *line, const char *filename, int linenum,
98: int *activep);
99:
100: /* Reads the config file and modifies the options accordingly. Options should
101: already be initialized before this call. This never returns if there
102: is an error. If the file does not exist, this returns immediately. */
103: void read_config_file(const char *filename, const char *host,
104: Options *options);
105:
106: /* Adds a local TCP/IP port forward to options. Never returns if there
107: is an error. */
108: void add_local_forward(Options *options, int port, const char *host,
109: int host_port);
110:
111: /* Adds a remote TCP/IP port forward to options. Never returns if there
112: is an error. */
113: void add_remote_forward(Options *options, int port, const char *host,
114: int host_port);
115:
116:
117: #endif /* READCONF_H */