Annotation of src/usr.bin/ssh/readconf.h, Revision 1.14
1.1 deraadt 1: /*
1.11 deraadt 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: */
1.1 deraadt 15:
1.14 ! markus 16: /* RCSID("$Id: readconf.h,v 1.13 1999/12/01 13:59:15 markus Exp $"); */
1.1 deraadt 17:
18: #ifndef READCONF_H
19: #define READCONF_H
20:
21: /* Data structure for representing a forwarding request. */
22:
1.11 deraadt 23: typedef struct {
1.13 markus 24: u_short port; /* Port to forward. */
25: char *host; /* Host to connect. */
26: u_short host_port; /* Port to connect on host. */
1.11 deraadt 27: } Forward;
1.1 deraadt 28: /* Data structure for representing option data. */
29:
1.11 deraadt 30: typedef struct {
31: int forward_agent; /* Forward authentication agent. */
32: int forward_x11; /* Forward X11 display. */
33: int gateway_ports; /* Allow remote connects to forwarded ports. */
34: int use_privileged_port; /* Don't use privileged port if false. */
35: int rhosts_authentication; /* Try rhosts authentication. */
36: int rhosts_rsa_authentication; /* Try rhosts with RSA
37: * authentication. */
38: int rsa_authentication; /* Try RSA authentication. */
39: int skey_authentication; /* Try S/Key or TIS authentication. */
1.1 deraadt 40: #ifdef KRB4
1.11 deraadt 41: int kerberos_authentication; /* Try Kerberos
42: * authentication. */
1.1 deraadt 43: #endif
1.3 dugsong 44: #ifdef AFS
1.11 deraadt 45: int kerberos_tgt_passing; /* Try Kerberos tgt passing. */
46: int afs_token_passing; /* Try AFS token passing. */
1.1 deraadt 47: #endif
1.11 deraadt 48: int password_authentication; /* Try password
49: * 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 check_host_ip; /* Also keep track of keys for IP address */
54: int strict_host_key_checking; /* Strict host key checking. */
55: int compression; /* Compress packets in both directions. */
56: int compression_level; /* Compression level 1 (fast) to 9
57: * (best). */
58: int keepalives; /* Set SO_KEEPALIVE. */
59: LogLevel log_level; /* Level for logging. */
60:
61: int port; /* Port to connect. */
62: int connection_attempts; /* Max attempts (seconds) before
63: * giving up */
64: int number_of_password_prompts; /* Max number of password
65: * prompts. */
66: int cipher; /* Cipher to use. */
1.14 ! markus 67: char *ciphers; /* Ciphers in order of preference. */
! 68: int protocol; /* Protocol in order of preference. */
1.11 deraadt 69: char *hostname; /* Real host to connect. */
70: char *proxy_command; /* Proxy command for connecting the host. */
71: char *user; /* User to log in as. */
72: int escape_char; /* Escape character; -2 = none */
73:
74: char *system_hostfile;/* Path for /etc/ssh_known_hosts. */
75: char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
76:
77: int num_identity_files; /* Number of files for RSA identities. */
78: char *identity_files[SSH_MAX_IDENTITY_FILES];
79:
80: /* Local TCP/IP forward requests. */
81: int num_local_forwards;
82: Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
83:
84: /* Remote TCP/IP forward requests. */
85: int num_remote_forwards;
86: Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
87: } Options;
1.1 deraadt 88:
89:
1.12 markus 90: /*
91: * Initializes options to special values that indicate that they have not yet
92: * been set. Read_config_file will only set options with this value. Options
93: * are processed in the following order: command line, user config file,
94: * system config file. Last, fill_default_options is called.
95: */
1.11 deraadt 96: void initialize_options(Options * options);
1.1 deraadt 97:
1.12 markus 98: /*
99: * Called after processing other sources of option data, this fills those
100: * options for which no value has been specified with their default values.
101: */
1.11 deraadt 102: void fill_default_options(Options * options);
1.1 deraadt 103:
1.12 markus 104: /*
105: * Processes a single option line as used in the configuration files. This
106: * only sets those values that have not already been set. Returns 0 for legal
107: * options
108: */
1.11 deraadt 109: int
110: process_config_line(Options * options, const char *host,
111: char *line, const char *filename, int linenum,
112: int *activep);
1.1 deraadt 113:
1.12 markus 114: /*
115: * Reads the config file and modifies the options accordingly. Options
116: * should already be initialized before this call. This never returns if
117: * there is an error. If the file does not exist, this returns immediately.
118: */
1.11 deraadt 119: void
120: read_config_file(const char *filename, const char *host,
121: Options * options);
1.1 deraadt 122:
1.12 markus 123: /*
124: * Adds a local TCP/IP port forward to options. Never returns if there is an
125: * error.
126: */
1.11 deraadt 127: void
1.13 markus 128: add_local_forward(Options * options, u_short port, const char *host,
129: u_short host_port);
1.1 deraadt 130:
1.12 markus 131: /*
132: * Adds a remote TCP/IP port forward to options. Never returns if there is
133: * an error.
134: */
1.11 deraadt 135: void
1.13 markus 136: add_remote_forward(Options * options, u_short port, const char *host,
137: u_short host_port);
1.1 deraadt 138:
1.11 deraadt 139: #endif /* READCONF_H */
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