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- (djm) Set "login ID" on systems with setluid. Only enabled for SCO
[openssh.git] / defines.h
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76a8e733 1#ifndef _DEFINES_H
2#define _DEFINES_H
3
0b202697 4/* $Id$ */
5
4a8e6ec5 6/* Some platforms need this for the _r() functions */
8dcda1e3 7#if !defined(_REENTRANT) && !defined(SNI)
4a8e6ec5 8# define _REENTRANT 1
9#endif
10
ea1970a3 11/* Necessary headers */
12
a8ed9fd9 13#include <sys/types.h> /* For [u]intxx_t */
cb807f40 14#include <sys/socket.h> /* For SHUT_XXXX */
509b1f88 15#include <sys/param.h> /* For MAXPATHLEN */
16#include <netinet/in_systm.h> /* For typedefs */
a8ed9fd9 17#include <netinet/in.h> /* For IPv6 macros */
18e92801 18#include <netinet/ip.h> /* For IPTOS macros */
77bb0bca 19#ifdef HAVE_SYS_UN_H
20# include <sys/un.h> /* For SUN_LEN */
21#endif
5cdfe03f 22#ifdef HAVE_SYS_BITYPES_H
23# include <sys/bitypes.h> /* For u_intXX_t */
2b87da3b 24#endif
cb807f40 25#ifdef HAVE_PATHS_H
26# include <paths.h> /* For _PATH_XXX */
2b87da3b 27#endif
509b1f88 28#ifdef HAVE_LIMITS_H
29# include <limits.h> /* For PATH_MAX */
2b87da3b 30#endif
cb807f40 31#ifdef HAVE_SYS_TIME_H
32# include <sys/time.h> /* For timersub */
33#endif
cb807f40 34#ifdef HAVE_MAILLOCK_H
d94aa2ae 35# include <maillock.h> /* For _PATH_MAILDIR */
cb807f40 36#endif
d94aa2ae 37#ifdef HAVE_SYS_CDEFS_H
38# include <sys/cdefs.h> /* For __P() */
2b87da3b 39#endif
d468fc76 40#ifdef HAVE_SYS_SYSMACROS_H
41# include <sys/sysmacros.h> /* For MIN, MAX, etc */
42#endif
729bfe59 43#ifdef HAVE_SYS_STAT_H
44# include <sys/stat.h> /* For S_* constants and macros */
45#endif
e79b44e1 46#ifdef HAVE_NEXT
47# include <libc.h>
48#endif
729bfe59 49
50#include <unistd.h> /* For STDIN_FILENO, etc */
77bb0bca 51#include <termios.h> /* Struct winsize */
f1c4659d 52#include <fcntl.h> /* For O_NONBLOCK */
d468fc76 53
ea1970a3 54/* Constants */
55
cb807f40 56#ifndef SHUT_RDWR
57enum
58{
59 SHUT_RD = 0, /* No more receptions. */
60 SHUT_WR, /* No more transmissions. */
61 SHUT_RDWR /* No more receptions or transmissions. */
62};
63# define SHUT_RD SHUT_RD
64# define SHUT_WR SHUT_WR
65# define SHUT_RDWR SHUT_RDWR
66#endif
67
18e92801 68#ifndef IPTOS_LOWDELAY
69# define IPTOS_LOWDELAY 0x10
70# define IPTOS_THROUGHPUT 0x08
71# define IPTOS_RELIABILITY 0x04
72# define IPTOS_LOWCOST 0x02
73# define IPTOS_MINCOST IPTOS_LOWCOST
74#endif /* IPTOS_LOWDELAY */
75
509b1f88 76#ifndef MAXPATHLEN
77# ifdef PATH_MAX
78# define MAXPATHLEN PATH_MAX
79# else /* PATH_MAX */
80# define MAXPATHLEN 64 /* Should be safe */
81# endif /* PATH_MAX */
82#endif /* MAXPATHLEN */
83
2b87da3b 84#ifndef STDIN_FILENO
729bfe59 85# define STDIN_FILENO 0
2b87da3b 86#endif
87#ifndef STDOUT_FILENO
729bfe59 88# define STDOUT_FILENO 1
2b87da3b 89#endif
90#ifndef STDERR_FILENO
729bfe59 91# define STDERR_FILENO 2
2b87da3b 92#endif
729bfe59 93
99286dc8 94#ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */
95#define NGROUPS_MAX 0
1fc243d1 96#endif
97
f1c4659d 98#ifndef O_NONBLOCK /* Non Blocking Open */
2b87da3b 99# define O_NONBLOCK 00004
f1c4659d 100#endif
101
729bfe59 102#ifndef S_ISREG
103# define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
104# define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
105#endif /* S_ISREG */
106
107#ifndef S_IXUSR
108# define S_IXUSR 0000100 /* execute/search permission, */
109# define S_IXGRP 0000010 /* execute/search permission, */
110# define S_IXOTH 0000001 /* execute/search permission, */
111# define _S_IWUSR 0000200 /* write permission, */
112# define S_IWUSR _S_IWUSR /* write permission, owner */
113# define S_IWGRP 0000020 /* write permission, group */
114# define S_IWOTH 0000002 /* write permission, other */
115# define S_IRUSR 0000400 /* read permission, owner */
116# define S_IRGRP 0000040 /* read permission, group */
117# define S_IROTH 0000004 /* read permission, other */
118# define S_IRWXU 0000700 /* read, write, execute */
119# define S_IRWXG 0000070 /* read, write, execute */
120# define S_IRWXO 0000007 /* read, write, execute */
121#endif /* S_IXUSR */
122
ea1970a3 123/* Types */
124
cb807f40 125/* If sys/types.h does not supply intXX_t, supply them ourselves */
126/* (or die trying) */
14a9a859 127
128#ifndef HAVE_U_INT
129typedef unsigned int u_int;
130#endif
131
cb807f40 132#ifndef HAVE_INTXX_T
976f7e19 133# if (SIZEOF_CHAR == 1)
134typedef char int8_t;
135# else
136# error "8 bit int type not found."
137# endif
cb807f40 138# if (SIZEOF_SHORT_INT == 2)
ea1970a3 139typedef short int int16_t;
cb807f40 140# else
141# error "16 bit int type not found."
142# endif
143# if (SIZEOF_INT == 4)
ea1970a3 144typedef int int32_t;
cb807f40 145# else
146# error "32 bit int type not found."
147# endif
cb807f40 148#endif
149
150/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
151#ifndef HAVE_U_INTXX_T
152# ifdef HAVE_UINTXX_T
976f7e19 153typedef uint8_t u_int8_t;
ea1970a3 154typedef uint16_t u_int16_t;
155typedef uint32_t u_int32_t;
76a8e733 156# define HAVE_U_INTXX_T 1
cb807f40 157# else
976f7e19 158# if (SIZEOF_CHAR == 1)
159typedef unsigned char u_int8_t;
160# else
161# error "8 bit int type not found."
162# endif
cb807f40 163# if (SIZEOF_SHORT_INT == 2)
ea1970a3 164typedef unsigned short int u_int16_t;
cb807f40 165# else
166# error "16 bit int type not found."
167# endif
168# if (SIZEOF_INT == 4)
ea1970a3 169typedef unsigned int u_int32_t;
cb807f40 170# else
171# error "32 bit int type not found."
172# endif
bd590612 173# endif
174#endif
175
176/* 64-bit types */
177#ifndef HAVE_INT64_T
178# if (SIZEOF_LONG_INT == 8)
179typedef long int int64_t;
afecff1d 180# define HAVE_INT64_T 1
bd590612 181# else
182# if (SIZEOF_LONG_LONG_INT == 8)
183typedef long long int int64_t;
afecff1d 184# define HAVE_INT64_T 1
bd590612 185# endif
186# endif
187#endif
188#ifndef HAVE_U_INT64_T
189# if (SIZEOF_LONG_INT == 8)
190typedef unsigned long int u_int64_t;
afecff1d 191# define HAVE_U_INT64_T 1
bd590612 192# else
193# if (SIZEOF_LONG_LONG_INT == 8)
ea1970a3 194typedef unsigned long long int u_int64_t;
afecff1d 195# define HAVE_U_INT64_T 1
cb807f40 196# endif
197# endif
198#endif
199
ea1970a3 200#ifndef HAVE_SOCKLEN_T
201typedef unsigned int socklen_t;
a6ddc88b 202# define HAVE_SOCKLEN_T
ea1970a3 203#endif /* HAVE_SOCKLEN_T */
204
e3a93db0 205#ifndef HAVE_SIZE_T
206typedef unsigned int size_t;
a6ddc88b 207# define HAVE_SIZE_T
e3a93db0 208#endif /* HAVE_SIZE_T */
209
c04f75f1 210#ifndef HAVE_SSIZE_T
211typedef int ssize_t;
212# define HAVE_SSIZE_T
213#endif /* HAVE_SSIZE_T */
214
f1c4659d 215#ifndef HAVE_CLOCK_T
216typedef long clock_t;
217# define HAVE_CLOCK_T
4f771a33 218#endif /* HAVE_CLOCK_T */
f1c4659d 219
1c04b088 220#ifndef HAVE_SA_FAMILY_T
221typedef int sa_family_t;
222# define HAVE_SA_FAMILY_T
223#endif /* HAVE_SA_FAMILY_T */
224
729bfe59 225#ifndef HAVE_PID_T
226typedef int pid_t;
227# define HAVE_PID_T
228#endif /* HAVE_PID_T */
229
230#ifndef HAVE_MODE_T
231typedef int mode_t;
232# define HAVE_MODE_T
233#endif /* HAVE_MODE_T */
234
48e671d5 235#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
236# define ss_family __ss_family
237#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
238
77bb0bca 239#ifndef HAVE_SYS_UN_H
240struct sockaddr_un {
241 short sun_family; /* AF_UNIX */
242 char sun_path[108]; /* path name (gag) */
243};
244#endif /* HAVE_SYS_UN_H */
245
246#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
247#define _STRUCT_WINSIZE
248struct winsize {
249 unsigned short ws_row; /* rows, in characters */
250 unsigned short ws_col; /* columns, in character */
251 unsigned short ws_xpixel; /* horizontal size, pixels */
252 unsigned short ws_ypixel; /* vertical size, pixels */
253};
254#endif
255
ea1970a3 256/* Paths */
257
cb807f40 258#ifndef _PATH_BSHELL
259# define _PATH_BSHELL "/bin/sh"
260#endif
261
262#ifdef USER_PATH
263# ifdef _PATH_STDPATH
264# undef _PATH_STDPATH
265# endif
266# define _PATH_STDPATH USER_PATH
267#endif
268
269#ifndef _PATH_STDPATH
270# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
271#endif
272
273#ifndef _PATH_DEVNULL
274# define _PATH_DEVNULL "/dev/null"
275#endif
276
c04f75f1 277#ifndef MAIL_DIRECTORY
278# define MAIL_DIRECTORY "/var/spool/mail"
279#endif
280
cb807f40 281#ifndef MAILDIR
282# define MAILDIR MAIL_DIRECTORY
283#endif
284
285#if !defined(_PATH_MAILDIR) && defined(MAILDIR)
286# define _PATH_MAILDIR MAILDIR
287#endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
288
ea1970a3 289#ifndef _PATH_RSH
290# ifdef RSH_PATH
291# define _PATH_RSH RSH_PATH
2f125ca1 292# else /* RSH_PATH */
293# define _PATH_RSH "/usr/bin/rsh"
ea1970a3 294# endif /* RSH_PATH */
295#endif /* _PATH_RSH */
296
2e73a022 297#ifndef _PATH_NOLOGIN
298# define _PATH_NOLOGIN "/etc/nologin"
299#endif
300
2f125ca1 301/* Define this to be the path of the xauth program. */
302#ifndef XAUTH_PATH
303#define XAUTH_PATH "/usr/X11R6/bin/xauth"
304#endif /* XAUTH_PATH */
305
bc79ed5c 306#ifndef _PATH_TTY
307# define _PATH_TTY "/dev/tty"
308#endif
309
ea1970a3 310/* Macros */
311
2e73a022 312#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
313# define HAVE_LOGIN_CAP
314#endif
315
cb807f40 316#ifndef MAX
317# define MAX(a,b) (((a)>(b))?(a):(b))
318# define MIN(a,b) (((a)<(b))?(a):(b))
319#endif
320
321#ifndef timersub
322#define timersub(a, b, result) \
323 do { \
324 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
325 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
326 if ((result)->tv_usec < 0) { \
2b87da3b 327 --(result)->tv_sec; \
328 (result)->tv_usec += 1000000; \
cb807f40 329 } \
330 } while (0)
331#endif
332
cb807f40 333#ifndef __P
334# define __P(x) x
335#endif
336
a8ed9fd9 337#if !defined(IN6_IS_ADDR_V4MAPPED)
338# define IN6_IS_ADDR_V4MAPPED(a) \
84afc958 339 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
340 (((u_int32_t *) (a))[2] == htonl (0xffff)))
a8ed9fd9 341#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
342
cb807f40 343#if !defined(__GNUC__) || (__GNUC__ < 2)
976f7e19 344# define __attribute__(x)
cb807f40 345#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
346
ba606eb2 347#ifndef SUN_LEN
348#define SUN_LEN(su) \
2b87da3b 349 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
ba606eb2 350#endif /* SUN_LEN */
351
ea1970a3 352/* Function replacement / compatibility hacks */
353
354/* In older versions of libpam, pam_strerror takes a single argument */
355#ifdef HAVE_OLD_PAM
356# define PAM_STRERROR(a,b) pam_strerror((b))
357#else
358# define PAM_STRERROR(a,b) pam_strerror((a),(b))
359#endif
360
adeebd37 361#ifdef PAM_SUN_CODEBASE
362# define PAM_MSG_MEMBER(msg, n, member) ((*(msg))[(n)].member)
363#else
364# define PAM_MSG_MEMBER(msg, n, member) ((msg)[(n)]->member)
365#endif
366
4c8ef3fb 367#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
368# undef HAVE_GETADDRINFO
488c06c8 369#endif
370#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
371# undef HAVE_FREEADDRINFO
372#endif
373#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
374# undef HAVE_GAI_STRERROR
375#endif
4c8ef3fb 376
c04f75f1 377#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
378# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
379#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
380
b9f446d1 381#if !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT)
382# define atexit(a) on_exit(a)
66d6c27e 383#else
384# if defined(HAVE_XATEXIT)
385# define atexit(a) xatexit(a)
386# endif /* defined(HAVE_XATEXIT) */
b9f446d1 387#endif /* !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT) */
388
3c62e7eb 389#if defined(HAVE_VHANGUP) && !defined(BROKEN_VHANGUP)
390# define USE_VHANGUP
391#endif /* defined(HAVE_VHANGUP) && !defined(BROKEN_VHANGUP) */
392
7f8f5e00 393#ifndef GETPGRP_VOID
394# define getpgrp() getpgrp(0)
395#endif
396
2f125ca1 397/*
398 * Define this to use pipes instead of socketpairs for communicating with the
399 * client program. Socketpairs do not seem to work on all systems.
400 *
401 * configure.in sets this for a few OS's which are known to have problems
402 * but you may need to set it yourself
403 */
404/* #define USE_PIPES 1 */
405
1d7b9b20 406/**
407 ** login recorder definitions
408 **/
409
410/* preprocess */
411
412#ifdef HAVE_UTMP_H
413# ifdef HAVE_TIME_IN_UTMP
414# include <time.h>
415# endif
416# include <utmp.h>
417#endif
418#ifdef HAVE_UTMPX_H
419# ifdef HAVE_TV_IN_UTMPX
420# include <sys/time.h>
421# endif
422# include <utmpx.h>
423#endif
424#ifdef HAVE_LASTLOG_H
425# include <lastlog.h>
426#endif
427#ifdef HAVE_PATHS_H
428# include <paths.h>
429#endif
430
431/* FIXME: put default paths back in */
32eec038 432#ifndef UTMP_FILE
433# ifdef _PATH_UTMP
434# define UTMP_FILE _PATH_UTMP
435# else
436# ifdef CONF_UTMP_FILE
437# define UTMP_FILE CONF_UTMP_FILE
438# endif
439# endif
1d7b9b20 440#endif
32eec038 441#ifndef WTMP_FILE
442# ifdef _PATH_WTMP
443# define WTMP_FILE _PATH_WTMP
444# else
445# ifdef CONF_WTMP_FILE
446# define WTMP_FILE CONF_WTMP_FILE
447# endif
448# endif
1d7b9b20 449#endif
450/* pick up the user's location for lastlog if given */
32eec038 451#ifndef LASTLOG_FILE
452# ifdef _PATH_LASTLOG
453# define LASTLOG_FILE _PATH_LASTLOG
454# else
455# ifdef CONF_LASTLOG_FILE
456# define LASTLOG_FILE CONF_LASTLOG_FILE
457# endif
458# endif
d7c0f3d5 459#endif
1d7b9b20 460
461
462/* The login() library function in libutil is first choice */
463#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
464# define USE_LOGIN
465
466#else
467/* Simply select your favourite login types. */
468/* Can't do if-else because some systems use several... <sigh> */
469# if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
470# define USE_UTMPX
471# endif
472# if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
473# define USE_UTMP
474# endif
475# if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
476# define USE_WTMPX
477# endif
478# if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
479# define USE_WTMP
480# endif
481
482#endif
483
484/* I hope that the presence of LASTLOG_FILE is enough to detect this */
485#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
486# define USE_LASTLOG
487#endif
488
489/* which type of time to use? (api.c) */
490#ifdef HAVE_SYS_TIME_H
491# define USE_TIMEVAL
492#endif
493
494/** end of login recorder definitions */
495
76a8e733 496#endif /* _DEFINES_H */
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