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shadow/lib/defines.h

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/* $Id: defines.h,v 1.29 2005/09/05 16:22:03 kloczek Exp $ */
/* some useful defines */
#ifndef _DEFINES_H_
#define _DEFINES_H_
#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
/* Take care of NLS matters. */
#if HAVE_LOCALE_H
# include <locale.h>
#endif
#define gettext_noop(String) (String)
/* #define gettext_def(String) "#define String" */
#if ENABLE_NLS
# include <libintl.h>
# define _(Text) gettext (Text)
#else
# undef bindtextdomain
# define bindtextdomain(Domain, Directory) /* empty */
# undef textdomain
# define textdomain(Domain) /* empty */
# define _(Text) Text
# define ngettext(Msgid1, Msgid2, N) \
((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
#endif
#if STDC_HEADERS
# include <stdlib.h>
# include <string.h>
#else /* not STDC_HEADERS */
# ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
# endif
char *strchr (), *strrchr (), *strtok ();
# ifndef HAVE_MEMCPY
# define memcpy(d, s, n) bcopy((s), (d), (n))
# endif
#endif /* not STDC_HEADERS */
#if HAVE_ERRNO_H
# include <errno.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
#if HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#ifndef WEXITSTATUS
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else /* not TIME_WITH_SYS_TIME */
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif /* not TIME_WITH_SYS_TIME */
#ifdef HAVE_MEMSET
# define memzero(ptr, size) memset((void *)(ptr), 0, (size))
#else
# define memzero(ptr, size) bzero((char *)(ptr), (size))
#endif
#define strzero(s) memzero(s, strlen(s)) /* warning: evaluates twice */
#ifdef HAVE_DIRENT_H /* DIR_SYSV */
# include <dirent.h>
# define DIRECT dirent
#else
# ifdef HAVE_SYS_NDIR_H /* DIR_XENIX */
# include <sys/ndir.h>
# endif
# ifdef HAVE_SYS_DIR_H /* DIR_??? */
# include <sys/dir.h>
# endif
# ifdef HAVE_NDIR_H /* DIR_BSD */
# include <ndir.h>
# endif
# define DIRECT direct
#endif
/*
* Possible cases:
* - /usr/include/shadow.h exists and includes the shadow group stuff.
* - /usr/include/shadow.h exists, but we use our own gshadow.h.
* - /usr/include/shadow.h doesn't exist, use our own shadow.h and gshadow.h.
*/
#if HAVE_SHADOW_H
#include <shadow.h>
#if defined(SHADOWGRP) && !defined(GSHADOW)
#include "gshadow_.h"
#endif
#else /* not HAVE_SHADOW_H */
#include "shadow_.h"
#ifdef SHADOWGRP
#include "gshadow_.h"
#endif
#endif /* not HAVE_SHADOW_H */
#include <limits.h>
#ifndef NGROUPS_MAX
#ifdef NGROUPS
#define NGROUPS_MAX NGROUPS
#else
#define NGROUPS_MAX 64
#endif
#endif
#ifdef USE_SYSLOG
#include <syslog.h>
#ifndef LOG_WARN
#define LOG_WARN LOG_WARNING
#endif
/* LOG_NOWAIT is deprecated */
#ifndef LOG_NOWAIT
#define LOG_NOWAIT 0
#endif
/* LOG_AUTH is deprecated, use LOG_AUTHPRIV instead */
#ifndef LOG_AUTHPRIV
#define LOG_AUTHPRIV LOG_AUTH
#endif
/* cleaner than lots of #ifdefs everywhere - use this as follows:
SYSLOG((LOG_CRIT, "user %s cracked root", user)); */
#if ENABLE_NLS
/* Temporarily set LC_TIME to "C" to avoid strange dates in syslog.
This is a workaround for a more general syslog(d) design problem -
syslogd should log the current system time for each event, and not
trust the formatted time received from the unix domain (or worse,
UDP) socket. -MM */
#define SYSLOG(x) \
do { \
char *saved_locale = setlocale(LC_ALL, NULL); \
if (saved_locale) \
saved_locale = strdup(saved_locale); \
if (saved_locale) \
setlocale(LC_TIME, "C"); \
syslog x ; \
if (saved_locale) { \
setlocale(LC_ALL, saved_locale); \
free(saved_locale); \
} \
} while (0)
#else /* !ENABLE_NLS */
#define SYSLOG(x) syslog x
#endif /* !ENABLE_NLS */
#else /* !USE_SYSLOG */
#define SYSLOG(x) /* empty */
#define openlog(a,b,c) /* empty */
#define closelog() /* empty */
#endif /* !USE_SYSLOG */
/* The default syslog settings can now be changed here,
in just one place. */
#ifndef SYSLOG_OPTIONS
/* #define SYSLOG_OPTIONS (LOG_PID | LOG_CONS | LOG_NOWAIT) */
#define SYSLOG_OPTIONS (LOG_PID)
#endif
#ifndef SYSLOG_FACILITY
#define SYSLOG_FACILITY LOG_AUTHPRIV
#endif
#define OPENLOG(progname) openlog(progname, SYSLOG_OPTIONS, SYSLOG_FACILITY)
#ifndef F_OK
# define F_OK 0
# define X_OK 1
# define W_OK 2
# define R_OK 4
#endif
#ifndef SEEK_SET
# define SEEK_SET 0
# define SEEK_CUR 1
# define SEEK_END 2
#endif
#ifdef STAT_MACROS_BROKEN
# define S_ISDIR(x) ((x) & S_IFMT) == S_IFDIR)
# define S_ISREG(x) ((x) & S_IFMT) == S_IFREG)
# ifdef S_IFLNK
# define S_ISLNK(x) ((x) & S_IFMT) == S_IFLNK)
# endif
#endif
#ifndef S_ISLNK
#define S_ISLNK(x) (0)
#endif
#if HAVE_LCHOWN
#define LCHOWN lchown
#else
#define LCHOWN chown
#endif
#if HAVE_LSTAT
#define LSTAT lstat
#else
#define LSTAT stat
#endif
#if HAVE_TERMIOS_H
# include <termios.h>
# define STTY(fd, termio) tcsetattr(fd, TCSANOW, termio)
# define GTTY(fd, termio) tcgetattr(fd, termio)
# define TERMIO struct termios
# define USE_TERMIOS
#else /* assumed HAVE_TERMIO_H */
# include <sys/ioctl.h>
# include <termio.h>
# define STTY(fd, termio) ioctl(fd, TCSETA, termio)
# define GTTY(fd, termio) ioctl(fd, TCGETA, termio)
# define TEMRIO struct termio
# define USE_TERMIO
#endif
/*
* Password aging constants
*
* DAY - seconds / day
* WEEK - seconds / week
* SCALE - seconds / aging unit
*/
/* Solaris defines this in shadow.h */
#ifndef DAY
#define DAY (24L*3600L)
#endif
#define WEEK (7*DAY)
#ifdef ITI_AGING
#define SCALE 1
#else
#define SCALE DAY
#endif
/* Copy string pointed by B to array A with size checking. It was originally
in lmain.c but is _very_ useful elsewhere. Some setuid root programs with
very sloppy coding used to assume that BUFSIZ will always be enough... */
/* danger - side effects */
#define STRFCPY(A,B) \
(strncpy((A), (B), sizeof(A) - 1), (A)[sizeof(A) - 1] = '\0')
/* get rid of a few ugly repeated #ifdefs in pwent.c and grent.c */
/* XXX - this is ugly too, configure should test it and not check for
any hardcoded system names, if possible. --marekm */
#if defined(AIX) || defined(__linux__)
#define SETXXENT_TYPE void
#define SETXXENT_RET(x) return
#define SETXXENT_TEST(x) x; if (0) /* compiler should optimize this away */
#else
#define SETXXENT_TYPE int
#define SETXXENT_RET(x) return(x)
#define SETXXENT_TEST(x) if (x)
#endif
#ifndef PASSWD_FILE
#define PASSWD_FILE "/etc/passwd"
#endif
#ifndef GROUP_FILE
#define GROUP_FILE "/etc/group"
#endif
#ifndef SHADOW_FILE
#define SHADOW_FILE "/etc/shadow"
#endif
#ifdef SHADOWGRP
#ifndef SGROUP_FILE
#define SGROUP_FILE "/etc/gshadow"
#endif
#endif
#define PASSWD_PAG_FILE PASSWD_FILE ".pag"
#define GROUP_PAG_FILE GROUP_FILE ".pag"
#define SHADOW_PAG_FILE SHADOW_FILE ".pag"
#define SGROUP_PAG_FILE SGROUP_FILE ".pag"
#ifndef NULL
#define NULL ((void *) 0)
#endif
#ifdef sun /* hacks for compiling on SunOS */
# ifndef SOLARIS
extern int fputs ();
extern char *strdup ();
extern char *strerror ();
# endif
#endif
#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#endif
/*
* string to use for the pw_passwd field in /etc/passwd when using
* shadow passwords - most systems use "x" but there are a few
* exceptions, so it can be changed here if necessary. --marekm
*/
#ifndef SHADOW_PASSWD_STRING
#define SHADOW_PASSWD_STRING "x"
#endif
#ifdef WITH_AUDIT
#ifdef __u8 /* in case we use pam < 0.80 */
#undef __u8
#endif
#ifdef __u32
#undef __u32
#endif
#include <libaudit.h>
#endif
#endif /* _DEFINES_H_ */
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