Make sure asterisk builds on OpenBSD

OpenBSD defines SO_PEERCRED, but it returns a 'struct sockpeercred', not
'struct ucred', which causes compilation of main/asterisk.c to fail in
read_credentials().  This allows configure to check for sockpeercred and
asterisk to deal with it properly.

(closes issue ASTERISK-18929)
Reported-by: Barry Miller
Patch-by: Barry Miller
........

Merged revisions 350730 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 350731 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@350732 65c4cc65-6c06-0410-ace0-fbb531ad65f3

bootstrap.sh

@@ -17,6 +17,10 @@ case `uname -sr` in
 		MY_AC_VER=259
 		MY_AM_VER=19
 		;;
+	OpenBSD*)
+		export AUTOCONF_VERSION=2.63
+		export AUTOMAKE_VERSION=1.9
+		;;
 	*'BSD'*)
 		MY_AC_VER=-2.62
 		MY_AM_VER=-1.9

configure.ac

@@ -540,7 +540,8 @@ AC_TYPE_OFF_T
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
 AC_CHECK_MEMBERS([struct stat.st_blksize])
-AC_CHECK_MEMBERS([struct ucred.uid, struct ucred.cr_uid], [], [], [#include <sys/socket.h>])
+AC_CHECK_MEMBERS([struct ucred.uid, struct ucred.cr_uid, struct sockpeercred.uid], [], [], [#include <sys/types.h>
+#include <sys/socket.h> ])
 AC_CHECK_MEMBERS([struct ifreq.ifr_ifru.ifru_hwaddr], [], [], [#include <net/if.h>])
 AC_HEADER_TIME
 AC_STRUCT_TM

main/asterisk.c

@@ -1200,7 +1200,12 @@ static pthread_t lthread;
 static int read_credentials(int fd, char *buffer, size_t size, struct console *con)
 {
 #if defined(SO_PEERCRED)
+#ifdef HAVE_STRUCT_SOCKPEERCRED_UID
+#define HAVE_STRUCT_UCRED_UID
+	struct sockpeercred cred;
+#else
 	struct ucred cred;
+#endif
 	socklen_t len = sizeof(cred);
 #endif
 #if defined(HAVE_GETPEEREID)