diff -cr postgresql_CVS/configure.in postgresql/configure.in
*** postgresql_CVS/configure.in	Tue Jun 24 15:52:30 2008
--- postgresql/configure.in	Tue Jun 24 15:57:22 2008
***************
*** 1095,1101 ****
  AC_FUNC_ACCEPT_ARGTYPES
  PGAC_FUNC_GETTIMEOFDAY_1ARG
  
! AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
  
  AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
  AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
--- 1095,1101 ----
  AC_FUNC_ACCEPT_ARGTYPES
  PGAC_FUNC_GETTIMEOFDAY_1ARG
  
! AC_CHECK_FUNCS([getpeerucred cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
  
  AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
  AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
diff -cr postgresql_CVS/src/backend/libpq/hba.c postgresql/src/backend/libpq/hba.c
*** postgresql_CVS/src/backend/libpq/hba.c	Tue Jun 24 15:52:32 2008
--- postgresql/src/backend/libpq/hba.c	Tue Jun 24 15:53:00 2008
***************
*** 25,30 ****
--- 25,33 ----
  #include <sys/uio.h>
  #include <sys/ucred.h>
  #endif
+ #if defined(HAVE_GETPEERUCRED) 
+ #include <ucred.h>
+ #endif
  #include <netinet/in.h>
  #include <arpa/inet.h>
  #include <unistd.h>
***************
*** 1500,1505 ****
--- 1503,1539 ----
  	strlcpy(ident_user, pass->pw_name, IDENT_USERNAME_MAX + 1);
  
  	return true;
+ #elif defined(HAVE_GETPEERUCRED) /* Solaris > 10 */
+ 	uid_t		uid;
+ 	gid_t		gid;
+ 	struct passwd 	*pass;
+ 	int 		ucred_ok=1;
+ 	ucred_t *ucred = NULL;
+ 	if (getpeerucred(sock, &ucred) == -1)
+ 		ucred_ok = 0;
+ 	if (ucred_ok && (uid = ucred_geteuid(ucred)) == -1 )
+ 		ucred_ok = 0;
+ 	if (ucred_ok && (gid = ucred_getrgid(ucred)) == -1 )
+ 		ucred_ok = 0;
+ 	if (ucred)
+ 		ucred_free(ucred);
+ 	if (!ucred_ok) {
+ 		/* We didn't get a valid credentials struct. */
+ 		ereport(LOG, (
+ 			 "could not get peer credentials: %s",
+ 				strerror(errno)));
+ 		return false;
+ 	}
+ 	pass = getpwuid(uid);
+ 	if (pass == NULL)
+ 	{
+ 		ereport(LOG,
+ 			(errmsg("local user with ID %d does not exist",
+ 					(int) uid)));
+ 		return false;
+ 	}
+ 	strlcpy(ident_user, pass->pw_name, IDENT_USERNAME_MAX + 1);
+ 	return true;
  #elif defined(HAVE_STRUCT_CMSGCRED) || defined(HAVE_STRUCT_FCRED) || (defined(HAVE_STRUCT_SOCKCRED) && defined(LOCAL_CREDS))
  	struct msghdr msg;