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0fff78ff | 1 | /* $OpenBSD: ssh.h,v 1.74 2003/09/01 13:52:18 markus Exp $ */ |
e9a17296 | 2 | |
3c0ef626 | 3 | /* |
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 | * | |
8 | * As far as I am concerned, the code I have written for this software | |
9 | * can be used freely for any purpose. Any derived versions of this | |
10 | * software must be clearly marked as such, and if the derived work is | |
11 | * incompatible with the protocol description in the RFC file, it must be | |
12 | * called by a name other than "ssh" or "Secure Shell". | |
13 | */ | |
14 | ||
3c0ef626 | 15 | #ifndef SSH_H |
16 | #define SSH_H | |
17 | ||
18 | #include <netinet/in.h> /* For struct sockaddr_in */ | |
19 | #include <pwd.h> /* For struct pw */ | |
20 | #include <stdarg.h> /* For va_list */ | |
21 | #include <syslog.h> /* For LOG_AUTH and friends */ | |
22 | #include <sys/socket.h> /* For struct sockaddr_storage */ | |
3c0ef626 | 23 | #ifdef HAVE_SYS_SELECT_H |
24 | # include <sys/select.h> | |
25 | #endif | |
26 | ||
27 | /* Cipher used for encrypting authentication files. */ | |
28 | #define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES | |
29 | ||
30 | /* Default port number. */ | |
31 | #define SSH_DEFAULT_PORT 22 | |
32 | ||
33 | /* Maximum number of TCP/IP ports forwarded per direction. */ | |
34 | #define SSH_MAX_FORWARDS_PER_DIRECTION 100 | |
35 | ||
36 | /* | |
37 | * Maximum number of RSA authentication identity files that can be specified | |
38 | * in configuration files or on the command line. | |
39 | */ | |
40 | #define SSH_MAX_IDENTITY_FILES 100 | |
41 | ||
42 | /* | |
f5799ae1 | 43 | * Major protocol version. Different version indicates major incompatibility |
3c0ef626 | 44 | * that prevents communication. |
45 | * | |
46 | * Minor protocol version. Different version indicates minor incompatibility | |
47 | * that does not prevent interoperation. | |
48 | */ | |
49 | #define PROTOCOL_MAJOR_1 1 | |
50 | #define PROTOCOL_MINOR_1 5 | |
51 | ||
52 | /* We support both SSH1 and SSH2 */ | |
53 | #define PROTOCOL_MAJOR_2 2 | |
54 | #define PROTOCOL_MINOR_2 0 | |
55 | ||
56 | /* | |
57 | * Name for the service. The port named by this service overrides the | |
58 | * default port if present. | |
59 | */ | |
60 | #define SSH_SERVICE_NAME "ssh" | |
61 | ||
3c0ef626 | 62 | /* |
680cee3b | 63 | * Name of the environment variable containing the process ID of the |
64 | * authentication agent. | |
3c0ef626 | 65 | */ |
66 | #define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID" | |
67 | ||
68 | /* | |
69 | * Name of the environment variable containing the pathname of the | |
70 | * authentication socket. | |
71 | */ | |
72 | #define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK" | |
73 | ||
74 | /* | |
75 | * Environment variable for overwriting the default location of askpass | |
76 | */ | |
77 | #define SSH_ASKPASS_ENV "SSH_ASKPASS" | |
78 | ||
79 | /* | |
80 | * Force host key length and server key length to differ by at least this | |
81 | * many bits. This is to make double encryption with rsaref work. | |
82 | */ | |
83 | #define SSH_KEY_BITS_RESERVED 128 | |
84 | ||
85 | /* | |
86 | * Length of the session key in bytes. (Specified as 256 bits in the | |
87 | * protocol.) | |
88 | */ | |
89 | #define SSH_SESSION_KEY_LENGTH 32 | |
90 | ||
3c0ef626 | 91 | /* Used to identify ``EscapeChar none'' */ |
92 | #define SSH_ESCAPECHAR_NONE -2 | |
93 | ||
700318f3 | 94 | /* |
95 | * unprivileged user when UsePrivilegeSeparation=yes; | |
96 | * sshd will change its privileges to this user and its | |
97 | * primary group. | |
98 | */ | |
99 | #ifndef SSH_PRIVSEP_USER | |
100 | #define SSH_PRIVSEP_USER "sshd" | |
101 | #endif | |
102 | ||
103 | /* Minimum modulus size (n) for RSA keys. */ | |
104 | #define SSH_RSA_MINIMUM_MODULUS_SIZE 768 | |
105 | ||
3c0ef626 | 106 | #endif /* SSH_H */ |