| /* Necessary headers */ |
| |
| #include <sys/types.h> /* For u_intXX_t */ |
| #include <sys/socket.h> /* For SHUT_XXXX */ |
| |
| #ifdef HAVE_PATHS_H |
| # include <paths.h> /* For _PATH_XXX */ |
| #endif |
| |
| #ifdef HAVE_UTMP_H |
| # include <utmp.h> /* For _PATH_XXX */ |
| #endif |
| |
| #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) |
| # include <utmpx.h> /* For _PATH_XXX */ |
| #endif |
| |
| #ifdef HAVE_SYS_TIME_H |
| # include <sys/time.h> /* For timersub */ |
| #endif |
| |
| #ifdef HAVE_MAILLOCK_H |
| # include <maillock.h> /* For _PATH_MAILDIR */ |
| #endif |
| |
| #ifdef HAVE_SYS_CDEFS_H |
| # include <sys/cdefs.h> /* For __P() */ |
| #endif |
| |
| /* Constants */ |
| |
| #ifndef SHUT_RDWR |
| enum |
| { |
| SHUT_RD = 0, /* No more receptions. */ |
| SHUT_WR, /* No more transmissions. */ |
| SHUT_RDWR /* No more receptions or transmissions. */ |
| }; |
| # define SHUT_RD SHUT_RD |
| # define SHUT_WR SHUT_WR |
| # define SHUT_RDWR SHUT_RDWR |
| #endif |
| |
| /* Types */ |
| |
| /* If sys/types.h does not supply intXX_t, supply them ourselves */ |
| /* (or die trying) */ |
| #ifndef HAVE_INTXX_T |
| # if (SIZEOF_SHORT_INT == 2) |
| typedef short int int16_t; |
| # else |
| # error "16 bit int type not found." |
| # endif |
| # if (SIZEOF_INT == 4) |
| typedef int int32_t; |
| # else |
| # error "32 bit int type not found." |
| # endif |
| # if (SIZEOF_LONG_INT == 8) |
| typedef long int int64_t; |
| # else |
| # if (SIZEOF_LONG_LONG_INT == 8) |
| typedef long long int int64_t; |
| # else |
| # error "64 bit int type not found." |
| # endif |
| # endif |
| #endif |
| |
| /* If sys/types.h does not supply u_intXX_t, supply them ourselves */ |
| #ifndef HAVE_U_INTXX_T |
| # ifdef HAVE_UINTXX_T |
| typedef uint16_t u_int16_t; |
| typedef uint32_t u_int32_t; |
| typedef uint64_t u_int64_t; |
| # else |
| # if (SIZEOF_SHORT_INT == 2) |
| typedef unsigned short int u_int16_t; |
| # else |
| # error "16 bit int type not found." |
| # endif |
| # if (SIZEOF_INT == 4) |
| typedef unsigned int u_int32_t; |
| # else |
| # error "32 bit int type not found." |
| # endif |
| # if (SIZEOF_LONG_INT == 8) |
| typedef unsigned long int u_int64_t; |
| # else |
| # if (SIZEOF_LONG_LONG_INT == 8) |
| typedef unsigned long long int u_int64_t; |
| # else |
| # error "64 bit int type not found." |
| # endif |
| # endif |
| # endif |
| #endif |
| |
| /* If quad_t is not supplied, then supply it now. We can rely on int64_t */ |
| /* being defined by the above */ |
| #ifndef HAVE_QUAD_T |
| typedef int64_t quad_t; |
| #endif |
| |
| #ifndef HAVE_SOCKLEN_T |
| typedef unsigned int socklen_t; |
| #endif /* HAVE_SOCKLEN_T */ |
| |
| /* Paths */ |
| |
| /* If _PATH_LASTLOG is not defined by system headers, set it to the */ |
| /* lastlog file detected by autoconf */ |
| #ifndef _PATH_LASTLOG |
| # ifdef LASTLOG_LOCATION |
| # define _PATH_LASTLOG LASTLOG_LOCATION |
| # endif |
| #endif |
| |
| #ifndef _PATH_UTMP |
| # ifdef UTMP_FILE |
| # define _PATH_UTMP UTMP_FILE |
| # else |
| # define _PATH_UTMP "/var/adm/utmp" |
| # endif |
| #endif |
| |
| #ifndef _PATH_WTMP |
| # ifdef WTMP_FILE |
| # define _PATH_WTMP WTMP_FILE |
| # else |
| # define _PATH_WTMP "/var/adm/wtmp" |
| # endif |
| #endif |
| |
| #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) |
| # ifndef _PATH_UTMPX |
| # ifdef UTMPX_FILE |
| # define _PATH_UTMPX UTMPX_FILE |
| # else |
| # define _PATH_UTMPX "/var/adm/utmpx" |
| # endif |
| # endif |
| # ifndef _PATH_WTMPX |
| # ifdef WTMPX_FILE |
| # define _PATH_WTMPX WTMPX_FILE |
| # else |
| # define _PATH_WTMPX "/var/adm/wtmp" |
| # endif |
| # endif |
| #endif |
| |
| #ifndef _PATH_BSHELL |
| # define _PATH_BSHELL "/bin/sh" |
| #endif |
| |
| #ifdef USER_PATH |
| # ifdef _PATH_STDPATH |
| # undef _PATH_STDPATH |
| # endif |
| # define _PATH_STDPATH USER_PATH |
| #endif |
| |
| #ifndef _PATH_STDPATH |
| # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" |
| #endif |
| |
| #ifndef _PATH_DEVNULL |
| # define _PATH_DEVNULL "/dev/null" |
| #endif |
| |
| #ifndef MAILDIR |
| # define MAILDIR MAIL_DIRECTORY |
| #endif |
| |
| #if !defined(_PATH_MAILDIR) && defined(MAILDIR) |
| # define _PATH_MAILDIR MAILDIR |
| #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */ |
| |
| #ifndef _PATH_RSH |
| # ifdef RSH_PATH |
| # define _PATH_RSH RSH_PATH |
| # endif /* RSH_PATH */ |
| #endif /* _PATH_RSH */ |
| |
| /* Macros */ |
| |
| #ifndef MAX |
| # define MAX(a,b) (((a)>(b))?(a):(b)) |
| # define MIN(a,b) (((a)<(b))?(a):(b)) |
| #endif |
| |
| #ifndef timersub |
| #define timersub(a, b, result) \ |
| do { \ |
| (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ |
| (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ |
| if ((result)->tv_usec < 0) { \ |
| --(result)->tv_sec; \ |
| (result)->tv_usec += 1000000; \ |
| } \ |
| } while (0) |
| #endif |
| |
| #ifndef __P |
| # define __P(x) x |
| #endif |
| |
| #if !defined(__GNUC__) || (__GNUC__ < 2) |
| # define __attribute__(x) |
| #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ |
| |
| #if defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM) |
| # define USE_PAM |
| #endif /* defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM) */ |
| |
| /* Function replacement / compatibility hacks */ |
| |
| /* In older versions of libpam, pam_strerror takes a single argument */ |
| #ifdef HAVE_OLD_PAM |
| # define PAM_STRERROR(a,b) pam_strerror((b)) |
| #else |
| # define PAM_STRERROR(a,b) pam_strerror((a),(b)) |
| #endif |
| |
| #if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
| # define seteuid(a) setreuid(-1,a) |
| #endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */ |
| |
| #ifndef HAVE_INNETGR |
| # define innetgr(a,b,c,d) (0) |
| #endif /* HAVE_INNETGR */ |
| |