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sys/OpenBSD/stack_protector.c.patch Libc-498 Libc-391.5.22
--- Libc/Libc-498/sys/OpenBSD/stack_protector.c.patch
+++ Libc/Libc-391.5.22/sys/OpenBSD/stack_protector.c.patch
@@ -1,69 +1,15 @@
-Index: stack_protector.c
-===================================================================
---- stack_protector.c	(revision 31377)
-+++ stack_protector.c	(working copy)
-@@ -32,44 +32,41 @@ static char rcsid[] = "$OpenBSD: stack_p
- #include <sys/param.h>
- #include <sys/sysctl.h>
+--- stack_protector.c.orig	2006-10-05 00:09:07.000000000 -0700
++++ stack_protector.c	2006-10-05 00:18:28.000000000 -0700
+@@ -34,10 +34,10 @@
  #include <syslog.h>
-+#include <sys/types.h>
-+#include <unistd.h>
-+#include <fcntl.h>
-+
-+extern void __abort(void) __dead2;
-+long __stack_chk_guard[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-+void __guard_setup(void) __attribute__ ((visibility ("hidden")));
-+void __stack_chk_fail(void);
  
--long __guard[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+ long __guard[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 -static void __guard_setup(void) __attribute__ ((constructor));
--void __stack_smash_handler(char func[], int damaged __attribute__((unused)));
--
++__private_extern__ void __guard_setup(void);
+ void __stack_smash_handler(char func[], int damaged __attribute__((unused)));
+ 
 -static void
-+void
++__private_extern__ void
  __guard_setup(void)
  {
    int fd;
--  if (__guard[0]!=0) return;
-+  if (__stack_chk_guard[0]!=0) return;
-   fd = open ("/dev/urandom", 0);
-   if (fd != -1) {
--    ssize_t size = read (fd, (char*)&__guard, sizeof(__guard));
-+    ssize_t size = read (fd, (char*)&__stack_chk_guard,
-+			 sizeof(__stack_chk_guard));
-     close (fd) ;
--    if (size == sizeof(__guard)) return;
-+    if (size == sizeof(__stack_chk_guard)
-+	&& *__stack_chk_guard != 0) return;
-   }
-   /* If a random generator can't be used, the protector switches the guard
-      to the "terminator canary" */
--  ((char*)__guard)[0] = 0; ((char*)__guard)[1] = 0;
--  ((char*)__guard)[2] = '\n'; ((char*)__guard)[3] = 255;
-+  ((char*)__stack_chk_guard)[0] = 0; ((char*)__stack_chk_guard)[1] = 0;
-+  ((char*)__stack_chk_guard)[2] = '\n'; ((char*)__stack_chk_guard)[3] = 255;
- }
- 
- void
--__stack_smash_handler(char func[], int damaged)
-+__stack_chk_fail()
- {
--  const char message[] = "stack overflow in function %s";
--  struct sigaction sa;
-+  const char message[] = "[%d] stack overflow";
- 
-   /* this may fail on a chroot jail, though luck */
--  syslog(LOG_CRIT, message, func);
--
--  bzero(&sa, sizeof(struct sigaction));
--  sigemptyset(&sa.sa_mask);
--  sa.sa_flags = 0;
--  sa.sa_handler = SIG_DFL;
--  sigaction(SIGABRT, &sa, NULL);
--
--  kill(getpid(), SIGABRT);
-+  syslog(LOG_CRIT, message, getpid());
- 
--  _exit(127);
-+  __abort();
- }