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Diffstat (limited to '')
| -rw-r--r-- | lib/defines.h | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/lib/defines.h b/lib/defines.h new file mode 100644 index 0000000..d01f691 --- /dev/null +++ b/lib/defines.h @@ -0,0 +1,339 @@ +/* $Id$ */ +/* some useful defines */ + +#ifndef _DEFINES_H_ +#define _DEFINES_H_ + +#include "config.h" + +#if HAVE_STDBOOL_H +# include <stdbool.h> +#else +# if ! HAVE__BOOL +# ifdef __cplusplus +typedef bool _Bool; +# else +typedef unsigned char _Bool; +# endif +# endif +# define bool _Bool +# define false (0) +# define true (1) +# define __bool_true_false_are_defined 1 +#endif + +/* Take care of NLS matters. */ +#ifdef S_SPLINT_S +extern char *setlocale(int categories, const char *locale); +# define LC_ALL (6) +extern char * bindtextdomain (const char * domainname, const char * dirname); +extern char * textdomain (const char * domainname); +# define _(Text) Text +# define ngettext(Msgid1, Msgid2, N) \ + ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) +#else +#ifdef HAVE_LOCALE_H +# include <locale.h> +#else +# undef setlocale +# define setlocale(category, locale) (NULL) +# ifndef LC_ALL +# define LC_ALL 6 +# endif +#endif + +#define gettext_noop(String) (String) +/* #define gettext_def(String) "#define String" */ + +#ifdef ENABLE_NLS +# include <libintl.h> +# define _(Text) gettext (Text) +#else +# undef bindtextdomain +# define bindtextdomain(Domain, Directory) (NULL) +# undef textdomain +# define textdomain(Domain) (NULL) +# define _(Text) Text +# define ngettext(Msgid1, Msgid2, N) \ + ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) +#endif +#endif + +#include <stdlib.h> +#include <string.h> + +#if HAVE_ERRNO_H +# include <errno.h> +#endif + +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#if HAVE_UNISTD_H +# include <unistd.h> +#endif + +/* + * crypt(3), crypt_gensalt(3), and their + * feature test macros may be defined in here. + */ +#if HAVE_CRYPT_H +# include <crypt.h> +#endif + +#include <sys/time.h> +#include <time.h> + +#ifdef HAVE_MEMSET_S +# define memzero(ptr, size) memset_s((ptr), 0, (size)) +#elif defined HAVE_EXPLICIT_BZERO /* !HAVE_MEMSET_S */ +# define memzero(ptr, size) explicit_bzero((ptr), (size)) +#else /* !HAVE_MEMSET_S && HAVE_EXPLICIT_BZERO */ +static inline void memzero(void *ptr, size_t size) +{ + volatile unsigned char * volatile p = ptr; + while (size--) { + *p++ = '\0'; + } +} +#endif /* !HAVE_MEMSET_S && !HAVE_EXPLICIT_BZERO */ + +#define strzero(s) memzero(s, strlen(s)) /* warning: evaluates twice */ + +#include <dirent.h> + +/* + * 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. + */ +#include <shadow.h> +#if defined(SHADOWGRP) && !defined(GSHADOW) +#include "gshadow_.h" +#endif + +#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)); */ +#ifdef 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 */ +/* Avoid translated PAM error messages: Set LC_ALL to "C". + * --Nekral */ +#define SYSLOG(x) \ + do { \ + char *old_locale = setlocale (LC_ALL, NULL); \ + char *saved_locale = NULL; \ + if (NULL != old_locale) { \ + saved_locale = strdup (old_locale); \ + } \ + if (NULL != saved_locale) { \ + (void) setlocale (LC_ALL, "C"); \ + } \ + syslog x ; \ + if (NULL != saved_locale) { \ + (void) setlocale (LC_ALL, saved_locale); \ + free (saved_locale); \ + } \ + } while (false) +#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 + +#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') + +#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 + +#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 + +/* + * 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 + +#define SHADOW_SP_FLAG_UNSET ((unsigned long int)-1) + +#ifdef WITH_AUDIT +#ifdef __u8 /* in case we use pam < 0.80 */ +#undef __u8 +#endif +#ifdef __u32 +#undef __u32 +#endif + +#include <libaudit.h> +#endif + +/* To be used for verified unused parameters */ +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +# define unused __attribute__((unused)) +# define format_attr(type, index, check) __attribute__((format (type, index, check))) +#else +# define unused +# define format_attr(type, index, check) +#endif + +/* Maximum length of usernames */ +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +# define USER_NAME_MAX_LENGTH (sizeof (((struct utmpx *)NULL)->ut_user)) +#else +# include <utmp.h> +# ifdef HAVE_STRUCT_UTMP_UT_USER +# define USER_NAME_MAX_LENGTH (sizeof (((struct utmp *)NULL)->ut_user)) +# else +# ifdef HAVE_STRUCT_UTMP_UT_NAME +# define USER_NAME_MAX_LENGTH (sizeof (((struct utmp *)NULL)->ut_name)) +# else +# define USER_NAME_MAX_LENGTH 32 +# endif +# endif +#endif + +/* Maximum length of passwd entry */ +#define PASSWD_ENTRY_MAX_LENGTH 32768 + +#ifdef HAVE_SECURE_GETENV +# define shadow_getenv(name) secure_getenv(name) +# else +# define shadow_getenv(name) getenv(name) +#endif + +#endif /* _DEFINES_H_ */ |