392 lines
8.4 KiB
C
392 lines
8.4 KiB
C
/* $Id$ */
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/* some useful defines */
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#ifndef _DEFINES_H_
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#define _DEFINES_H_
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#if HAVE_STDBOOL_H
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# include <stdbool.h>
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#else
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# if ! HAVE__BOOL
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# ifdef __cplusplus
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typedef bool _Bool;
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# else
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typedef unsigned char _Bool;
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# endif
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# endif
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# define bool _Bool
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# define false (0)
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# define true (1)
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# define __bool_true_false_are_defined 1
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#endif
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#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
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/* Take care of NLS matters. */
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#ifdef S_SPLINT_S
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extern char *setlocale(int categories, const char *locale);
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# define LC_ALL (6)
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extern char * bindtextdomain (const char * domainname, const char * dirname);
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extern char * textdomain (const char * domainname);
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# define _(Text) Text
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# define ngettext(Msgid1, Msgid2, N) \
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((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
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#else
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#ifdef HAVE_LOCALE_H
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# include <locale.h>
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#else
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# undef setlocale
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# define setlocale(category, locale) (NULL)
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# ifndef LC_ALL
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# define LC_ALL 6
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# endif
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#endif
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#define gettext_noop(String) (String)
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/* #define gettext_def(String) "#define String" */
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#ifdef ENABLE_NLS
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# include <libintl.h>
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# define _(Text) gettext (Text)
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#else
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# undef bindtextdomain
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# define bindtextdomain(Domain, Directory) (NULL)
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# undef textdomain
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# define textdomain(Domain) (NULL)
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# define _(Text) Text
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# define ngettext(Msgid1, Msgid2, N) \
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((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
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#endif
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#endif
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#else /* not STDC_HEADERS */
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# ifndef HAVE_STRCHR
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# define strchr index
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# define strrchr rindex
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# endif
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char *strchr (), *strrchr (), *strtok ();
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# ifndef HAVE_MEMCPY
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# define memcpy(d, s, n) bcopy((s), (d), (n))
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# endif
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#endif /* not STDC_HEADERS */
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#if HAVE_ERRNO_H
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# include <errno.h>
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#endif
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#include <sys/stat.h>
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#include <sys/types.h>
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#if HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#ifndef WEXITSTATUS
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# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
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#endif
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#ifndef WIFEXITED
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# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
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#endif
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else /* not TIME_WITH_SYS_TIME */
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif /* not TIME_WITH_SYS_TIME */
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#ifdef HAVE_MEMSET
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# define memzero(ptr, size) memset((void *)(ptr), 0, (size))
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#else
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# define memzero(ptr, size) bzero((char *)(ptr), (size))
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#endif
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#define strzero(s) memzero(s, strlen(s)) /* warning: evaluates twice */
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#ifdef HAVE_DIRENT_H /* DIR_SYSV */
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# include <dirent.h>
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# define DIRECT dirent
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#else
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# ifdef HAVE_SYS_NDIR_H /* DIR_XENIX */
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# include <sys/ndir.h>
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# endif
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# ifdef HAVE_SYS_DIR_H /* DIR_??? */
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# include <sys/dir.h>
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# endif
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# ifdef HAVE_NDIR_H /* DIR_BSD */
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# include <ndir.h>
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# endif
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# define DIRECT direct
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#endif
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/*
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* Possible cases:
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* - /usr/include/shadow.h exists and includes the shadow group stuff.
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* - /usr/include/shadow.h exists, but we use our own gshadow.h.
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*/
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#include <shadow.h>
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#if defined(SHADOWGRP) && !defined(GSHADOW)
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#include "gshadow_.h"
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#endif
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#include <limits.h>
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#ifndef NGROUPS_MAX
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#ifdef NGROUPS
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#define NGROUPS_MAX NGROUPS
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#else
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#define NGROUPS_MAX 64
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#endif
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#endif
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#ifdef USE_SYSLOG
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#include <syslog.h>
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#ifndef LOG_WARN
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#define LOG_WARN LOG_WARNING
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#endif
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/* LOG_NOWAIT is deprecated */
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#ifndef LOG_NOWAIT
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#define LOG_NOWAIT 0
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#endif
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/* LOG_AUTH is deprecated, use LOG_AUTHPRIV instead */
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#ifndef LOG_AUTHPRIV
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#define LOG_AUTHPRIV LOG_AUTH
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#endif
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/* cleaner than lots of #ifdefs everywhere - use this as follows:
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SYSLOG((LOG_CRIT, "user %s cracked root", user)); */
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#ifdef ENABLE_NLS
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/* Temporarily set LC_TIME to "C" to avoid strange dates in syslog.
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This is a workaround for a more general syslog(d) design problem -
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syslogd should log the current system time for each event, and not
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trust the formatted time received from the unix domain (or worse,
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UDP) socket. -MM */
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/* Avoid translated PAM error messages: Set LC_ALL to "C".
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* --Nekral */
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#define SYSLOG(x) \
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do { \
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char *old_locale = setlocale (LC_ALL, NULL); \
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char *saved_locale = NULL; \
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if (NULL != old_locale) { \
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saved_locale = strdup (old_locale); \
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} \
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if (NULL != saved_locale) { \
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(void) setlocale (LC_ALL, "C"); \
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} \
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syslog x ; \
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if (NULL != saved_locale) { \
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(void) setlocale (LC_ALL, saved_locale); \
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free (saved_locale); \
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} \
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} while (false)
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#else /* !ENABLE_NLS */
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#define SYSLOG(x) syslog x
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#endif /* !ENABLE_NLS */
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#else /* !USE_SYSLOG */
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#define SYSLOG(x) /* empty */
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#define openlog(a,b,c) /* empty */
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#define closelog() /* empty */
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#endif /* !USE_SYSLOG */
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/* The default syslog settings can now be changed here,
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in just one place. */
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#ifndef SYSLOG_OPTIONS
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/* #define SYSLOG_OPTIONS (LOG_PID | LOG_CONS | LOG_NOWAIT) */
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#define SYSLOG_OPTIONS (LOG_PID)
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#endif
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#ifndef SYSLOG_FACILITY
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#define SYSLOG_FACILITY LOG_AUTHPRIV
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#endif
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#define OPENLOG(progname) openlog(progname, SYSLOG_OPTIONS, SYSLOG_FACILITY)
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#ifndef F_OK
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# define F_OK 0
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# define X_OK 1
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# define W_OK 2
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# define R_OK 4
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#endif
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#ifndef SEEK_SET
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# define SEEK_SET 0
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# define SEEK_CUR 1
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# define SEEK_END 2
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#endif
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#ifdef STAT_MACROS_BROKEN
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# define S_ISDIR(x) ((x) & S_IFMT) == S_IFDIR)
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# define S_ISREG(x) ((x) & S_IFMT) == S_IFREG)
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# ifdef S_IFLNK
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# define S_ISLNK(x) ((x) & S_IFMT) == S_IFLNK)
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# endif
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#endif
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#ifndef S_ISLNK
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#define S_ISLNK(x) (0)
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#endif
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#if HAVE_LCHOWN
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#define LCHOWN lchown
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#else
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#define LCHOWN chown
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#endif
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#if HAVE_LSTAT
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#define LSTAT lstat
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#else
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#define LSTAT stat
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#endif
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#if HAVE_TERMIOS_H
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# include <termios.h>
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# define STTY(fd, termio) tcsetattr(fd, TCSANOW, termio)
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# define GTTY(fd, termio) tcgetattr(fd, termio)
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# define TERMIO struct termios
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# define USE_TERMIOS
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#else /* assumed HAVE_TERMIO_H */
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# include <sys/ioctl.h>
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# include <termio.h>
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# define STTY(fd, termio) ioctl(fd, TCSETA, termio)
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# define GTTY(fd, termio) ioctl(fd, TCGETA, termio)
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# define TEMRIO struct termio
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# define USE_TERMIO
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#endif
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/*
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* Password aging constants
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*
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* DAY - seconds / day
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* WEEK - seconds / week
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* SCALE - seconds / aging unit
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*/
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/* Solaris defines this in shadow.h */
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#ifndef DAY
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#define DAY (24L*3600L)
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#endif
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#define WEEK (7*DAY)
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#ifdef ITI_AGING
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#define SCALE 1
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#else
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#define SCALE DAY
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#endif
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/* Copy string pointed by B to array A with size checking. It was originally
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in lmain.c but is _very_ useful elsewhere. Some setuid root programs with
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very sloppy coding used to assume that BUFSIZ will always be enough... */
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/* danger - side effects */
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#define STRFCPY(A,B) \
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(strncpy((A), (B), sizeof(A) - 1), (A)[sizeof(A) - 1] = '\0')
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#ifndef PASSWD_FILE
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#define PASSWD_FILE "/etc/passwd"
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#endif
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#ifndef GROUP_FILE
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#define GROUP_FILE "/etc/group"
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#endif
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#ifndef SHADOW_FILE
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#define SHADOW_FILE "/etc/shadow"
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#endif
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#ifdef SHADOWGRP
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#ifndef SGROUP_FILE
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#define SGROUP_FILE "/etc/gshadow"
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#endif
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#endif
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#ifndef NULL
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#define NULL ((void *) 0)
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#endif
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#ifdef sun /* hacks for compiling on SunOS */
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# ifndef SOLARIS
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extern int fputs ();
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extern char *strdup ();
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extern char *strerror ();
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# endif
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#endif
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/*
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* string to use for the pw_passwd field in /etc/passwd when using
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* shadow passwords - most systems use "x" but there are a few
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* exceptions, so it can be changed here if necessary. --marekm
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*/
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#ifndef SHADOW_PASSWD_STRING
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#define SHADOW_PASSWD_STRING "x"
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#endif
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#define SHADOW_SP_FLAG_UNSET ((unsigned long int)-1)
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#ifdef WITH_AUDIT
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#ifdef __u8 /* in case we use pam < 0.80 */
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#undef __u8
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#endif
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#ifdef __u32
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#undef __u32
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#endif
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#include <libaudit.h>
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#endif
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/* To be used for verified unused parameters */
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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# define unused __attribute__((unused))
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#else
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# define unused
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#endif
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/* ! Arguments evaluated twice ! */
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(x,y) (((x) > (y)) ? (x) : (y))
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#endif
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/* Maximum length of usernames */
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#ifdef HAVE_UTMPX_H
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# include <utmpx.h>
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# define USER_NAME_MAX_LENGTH (sizeof (((struct utmpx *)NULL)->ut_user))
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#else
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# include <utmp.h>
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# ifdef HAVE_STRUCT_UTMP_UT_USER
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# define USER_NAME_MAX_LENGTH (sizeof (((struct utmp *)NULL)->ut_user))
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# else
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# ifdef HAVE_STRUCT_UTMP_UT_NAME
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# define USER_NAME_MAX_LENGTH (sizeof (((struct utmp *)NULL)->ut_name))
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# else
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# define USER_NAME_MAX_LENGTH 32
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# endif
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# endif
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#endif
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#ifdef HAVE_SECURE_GETENV
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# define shadow_getenv(name) secure_getenv(name)
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# else
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# define shadow_getenv(name) getenv(name)
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#endif
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#endif /* _DEFINES_H_ */
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