]> andersk Git - openssh.git/blame - defines.h
Add explanation of PAM_TTY kludge
[openssh.git] / defines.h
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76a8e733 1#ifndef _DEFINES_H
2#define _DEFINES_H
3
ea1970a3 4/* Necessary headers */
5
a8ed9fd9 6#include <sys/types.h> /* For [u]intxx_t */
cb807f40 7#include <sys/socket.h> /* For SHUT_XXXX */
509b1f88 8#include <sys/param.h> /* For MAXPATHLEN */
9#include <netinet/in_systm.h> /* For typedefs */
a8ed9fd9 10#include <netinet/in.h> /* For IPv6 macros */
18e92801 11#include <netinet/ip.h> /* For IPTOS macros */
5cdfe03f 12#ifdef HAVE_SYS_BITYPES_H
13# include <sys/bitypes.h> /* For u_intXX_t */
14#endif
cb807f40 15#ifdef HAVE_PATHS_H
16# include <paths.h> /* For _PATH_XXX */
17#endif
509b1f88 18#ifdef HAVE_LIMITS_H
19# include <limits.h> /* For PATH_MAX */
20#endif
cb807f40 21#ifdef HAVE_SYS_TIME_H
22# include <sys/time.h> /* For timersub */
23#endif
cb807f40 24#ifdef HAVE_MAILLOCK_H
d94aa2ae 25# include <maillock.h> /* For _PATH_MAILDIR */
cb807f40 26#endif
d94aa2ae 27#ifdef HAVE_SYS_CDEFS_H
28# include <sys/cdefs.h> /* For __P() */
29#endif
d468fc76 30#ifdef HAVE_SYS_SYSMACROS_H
31# include <sys/sysmacros.h> /* For MIN, MAX, etc */
32#endif
729bfe59 33#ifdef HAVE_SYS_STAT_H
34# include <sys/stat.h> /* For S_* constants and macros */
35#endif
36
37#include <unistd.h> /* For STDIN_FILENO, etc */
d468fc76 38
ea1970a3 39/* Constants */
40
cb807f40 41#ifndef SHUT_RDWR
42enum
43{
44 SHUT_RD = 0, /* No more receptions. */
45 SHUT_WR, /* No more transmissions. */
46 SHUT_RDWR /* No more receptions or transmissions. */
47};
48# define SHUT_RD SHUT_RD
49# define SHUT_WR SHUT_WR
50# define SHUT_RDWR SHUT_RDWR
51#endif
52
18e92801 53#ifndef IPTOS_LOWDELAY
54# define IPTOS_LOWDELAY 0x10
55# define IPTOS_THROUGHPUT 0x08
56# define IPTOS_RELIABILITY 0x04
57# define IPTOS_LOWCOST 0x02
58# define IPTOS_MINCOST IPTOS_LOWCOST
59#endif /* IPTOS_LOWDELAY */
60
509b1f88 61#ifndef MAXPATHLEN
62# ifdef PATH_MAX
63# define MAXPATHLEN PATH_MAX
64# else /* PATH_MAX */
65# define MAXPATHLEN 64 /* Should be safe */
66# endif /* PATH_MAX */
67#endif /* MAXPATHLEN */
68
729bfe59 69#ifndef STDIN_FILENO
70# define STDIN_FILENO 0
71#endif
72#ifndef STDOUT_FILENO
73# define STDOUT_FILENO 1
74#endif
75#ifndef STDERR_FILENO
76# define STDERR_FILENO 2
77#endif
78
79#ifndef S_ISREG
80# define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
81# define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
82#endif /* S_ISREG */
83
84#ifndef S_IXUSR
85# define S_IXUSR 0000100 /* execute/search permission, */
86# define S_IXGRP 0000010 /* execute/search permission, */
87# define S_IXOTH 0000001 /* execute/search permission, */
88# define _S_IWUSR 0000200 /* write permission, */
89# define S_IWUSR _S_IWUSR /* write permission, owner */
90# define S_IWGRP 0000020 /* write permission, group */
91# define S_IWOTH 0000002 /* write permission, other */
92# define S_IRUSR 0000400 /* read permission, owner */
93# define S_IRGRP 0000040 /* read permission, group */
94# define S_IROTH 0000004 /* read permission, other */
95# define S_IRWXU 0000700 /* read, write, execute */
96# define S_IRWXG 0000070 /* read, write, execute */
97# define S_IRWXO 0000007 /* read, write, execute */
98#endif /* S_IXUSR */
99
ea1970a3 100/* Types */
101
cb807f40 102/* If sys/types.h does not supply intXX_t, supply them ourselves */
103/* (or die trying) */
104#ifndef HAVE_INTXX_T
976f7e19 105# if (SIZEOF_CHAR == 1)
106typedef char int8_t;
107# else
108# error "8 bit int type not found."
109# endif
cb807f40 110# if (SIZEOF_SHORT_INT == 2)
ea1970a3 111typedef short int int16_t;
cb807f40 112# else
113# error "16 bit int type not found."
114# endif
115# if (SIZEOF_INT == 4)
ea1970a3 116typedef int int32_t;
cb807f40 117# else
118# error "32 bit int type not found."
119# endif
837c30b8 120/*
cb807f40 121# if (SIZEOF_LONG_INT == 8)
ea1970a3 122typedef long int int64_t;
cb807f40 123# else
124# if (SIZEOF_LONG_LONG_INT == 8)
ea1970a3 125typedef long long int int64_t;
76a8e733 126# define HAVE_INTXX_T 1
cb807f40 127# else
128# error "64 bit int type not found."
129# endif
130# endif
837c30b8 131*/
cb807f40 132#endif
133
134/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
135#ifndef HAVE_U_INTXX_T
136# ifdef HAVE_UINTXX_T
976f7e19 137typedef uint8_t u_int8_t;
ea1970a3 138typedef uint16_t u_int16_t;
139typedef uint32_t u_int32_t;
837c30b8 140/*
ea1970a3 141typedef uint64_t u_int64_t;
837c30b8 142*/
76a8e733 143# define HAVE_U_INTXX_T 1
cb807f40 144# else
976f7e19 145# if (SIZEOF_CHAR == 1)
146typedef unsigned char u_int8_t;
147# else
148# error "8 bit int type not found."
149# endif
cb807f40 150# if (SIZEOF_SHORT_INT == 2)
ea1970a3 151typedef unsigned short int u_int16_t;
cb807f40 152# else
153# error "16 bit int type not found."
154# endif
155# if (SIZEOF_INT == 4)
ea1970a3 156typedef unsigned int u_int32_t;
cb807f40 157# else
158# error "32 bit int type not found."
159# endif
837c30b8 160/*
cb807f40 161# if (SIZEOF_LONG_INT == 8)
ea1970a3 162typedef unsigned long int u_int64_t;
cb807f40 163# else
164# if (SIZEOF_LONG_LONG_INT == 8)
ea1970a3 165typedef unsigned long long int u_int64_t;
76a8e733 166# define HAVE_U_INTXX_T 1
cb807f40 167# else
168# error "64 bit int type not found."
169# endif
170# endif
837c30b8 171*/
cb807f40 172# endif
173#endif
174
ea1970a3 175#ifndef HAVE_SOCKLEN_T
176typedef unsigned int socklen_t;
a6ddc88b 177# define HAVE_SOCKLEN_T
ea1970a3 178#endif /* HAVE_SOCKLEN_T */
179
e3a93db0 180#ifndef HAVE_SIZE_T
181typedef unsigned int size_t;
a6ddc88b 182# define HAVE_SIZE_T
e3a93db0 183#endif /* HAVE_SIZE_T */
184
c04f75f1 185#ifndef HAVE_SSIZE_T
186typedef int ssize_t;
187# define HAVE_SSIZE_T
188#endif /* HAVE_SSIZE_T */
189
729bfe59 190#ifndef HAVE_PID_T
191typedef int pid_t;
192# define HAVE_PID_T
193#endif /* HAVE_PID_T */
194
195#ifndef HAVE_MODE_T
196typedef int mode_t;
197# define HAVE_MODE_T
198#endif /* HAVE_MODE_T */
199
48e671d5 200#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
201# define ss_family __ss_family
202#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
203
ea1970a3 204/* Paths */
205
cb807f40 206#ifndef _PATH_BSHELL
207# define _PATH_BSHELL "/bin/sh"
208#endif
209
210#ifdef USER_PATH
211# ifdef _PATH_STDPATH
212# undef _PATH_STDPATH
213# endif
214# define _PATH_STDPATH USER_PATH
215#endif
216
217#ifndef _PATH_STDPATH
218# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
219#endif
220
221#ifndef _PATH_DEVNULL
222# define _PATH_DEVNULL "/dev/null"
223#endif
224
c04f75f1 225#ifndef MAIL_DIRECTORY
226# define MAIL_DIRECTORY "/var/spool/mail"
227#endif
228
cb807f40 229#ifndef MAILDIR
230# define MAILDIR MAIL_DIRECTORY
231#endif
232
233#if !defined(_PATH_MAILDIR) && defined(MAILDIR)
234# define _PATH_MAILDIR MAILDIR
235#endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
236
ea1970a3 237#ifndef _PATH_RSH
238# ifdef RSH_PATH
239# define _PATH_RSH RSH_PATH
240# endif /* RSH_PATH */
241#endif /* _PATH_RSH */
242
243/* Macros */
244
cb807f40 245#ifndef MAX
246# define MAX(a,b) (((a)>(b))?(a):(b))
247# define MIN(a,b) (((a)<(b))?(a):(b))
248#endif
249
250#ifndef timersub
251#define timersub(a, b, result) \
252 do { \
253 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
254 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
255 if ((result)->tv_usec < 0) { \
256 --(result)->tv_sec; \
257 (result)->tv_usec += 1000000; \
258 } \
259 } while (0)
260#endif
261
cb807f40 262#ifndef __P
263# define __P(x) x
264#endif
265
a8ed9fd9 266#if !defined(IN6_IS_ADDR_V4MAPPED)
267# define IN6_IS_ADDR_V4MAPPED(a) \
84afc958 268 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
269 (((u_int32_t *) (a))[2] == htonl (0xffff)))
a8ed9fd9 270#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
271
cb807f40 272#if !defined(__GNUC__) || (__GNUC__ < 2)
976f7e19 273# define __attribute__(x)
cb807f40 274#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
275
ea1970a3 276#if defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM)
277# define USE_PAM
278#endif /* defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM) */
279
280/* Function replacement / compatibility hacks */
281
282/* In older versions of libpam, pam_strerror takes a single argument */
283#ifdef HAVE_OLD_PAM
284# define PAM_STRERROR(a,b) pam_strerror((b))
285#else
286# define PAM_STRERROR(a,b) pam_strerror((a),(b))
287#endif
288
4c8ef3fb 289#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
290# undef HAVE_GETADDRINFO
291#endif /* defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) */
292
c04f75f1 293#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
294# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
295#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
296
b9f446d1 297#if !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT)
298# define atexit(a) on_exit(a)
299#endif /* !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT) */
300
1d7b9b20 301/**
302 ** login recorder definitions
303 **/
304
305/* preprocess */
306
307#ifdef HAVE_UTMP_H
308# ifdef HAVE_TIME_IN_UTMP
309# include <time.h>
310# endif
311# include <utmp.h>
312#endif
313#ifdef HAVE_UTMPX_H
314# ifdef HAVE_TV_IN_UTMPX
315# include <sys/time.h>
316# endif
317# include <utmpx.h>
318#endif
319#ifdef HAVE_LASTLOG_H
320# include <lastlog.h>
321#endif
322#ifdef HAVE_PATHS_H
323# include <paths.h>
324#endif
325
326/* FIXME: put default paths back in */
327#if !defined(UTMP_FILE) && defined(_PATH_UTMP)
328# define UTMP_FILE _PATH_UTMP
329#endif
330#if !defined(WTMP_FILE) && defined(_PATH_WTMP)
331# define WTMP_FILE _PATH_WTMP
332#endif
333/* pick up the user's location for lastlog if given */
1d7b9b20 334#if !defined(LASTLOG_FILE) && defined(_PATH_LASTLOG)
335# define LASTLOG_FILE _PATH_LASTLOG
336#endif
d7c0f3d5 337#if !defined(LASTLOG_FILE) && defined(CONF_LASTLOG_FILE)
338# define LASTLOG_FILE CONF_LASTLOG_FILE
339#endif
1d7b9b20 340
341
342/* The login() library function in libutil is first choice */
343#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
344# define USE_LOGIN
345
346#else
347/* Simply select your favourite login types. */
348/* Can't do if-else because some systems use several... <sigh> */
349# if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
350# define USE_UTMPX
351# endif
352# if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
353# define USE_UTMP
354# endif
355# if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
356# define USE_WTMPX
357# endif
358# if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
359# define USE_WTMP
360# endif
361
362#endif
363
364/* I hope that the presence of LASTLOG_FILE is enough to detect this */
365#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
366# define USE_LASTLOG
367#endif
368
369/* which type of time to use? (api.c) */
370#ifdef HAVE_SYS_TIME_H
371# define USE_TIMEVAL
372#endif
373
374/** end of login recorder definitions */
375
76a8e733 376#endif /* _DEFINES_H */
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