--- Libc/Libc-1725.40.4/sys/OpenBSD/stack_protector.c
+++ Libc/Libc-763.11/sys/OpenBSD/stack_protector.c
@@ -28,105 +28,65 @@
  */
 
 #include <sys/param.h>
+#include <sys/sysctl.h>
 #include <signal.h>
 #include <string.h>
-#include <stdlib.h>
+#include <syslog.h>
 #include <unistd.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#if __has_include(<CrashReporterClient.h>)
-#include <CrashReporterClient.h>
-#else
-#define CRSetCrashLogMessage(...)
-#endif
-#include "libproc.h"
-#include "_simple.h"
 
-#define	GUARD_MAX 8
-long __stack_chk_guard[GUARD_MAX] = {0, 0, 0, 0, 0, 0, 0, 0};
-void __abort(void) __cold __dead2;
-void __guard_setup(const char *apple[]) __attribute__ ((visibility ("hidden")));
-void __stack_chk_fail(void);
+extern int __sysctl(int *, u_int, void *, size_t *, void *, size_t);
+
+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)));
 
 static void
-__guard_from_kernel(const char *str)
+__guard_setup(void)
 {
-	unsigned long long val;
-	char tmp[20], *p;
-	int idx = 0;
+	int mib[2];
+	size_t len;
 
-	/* Skip over the 'stack_guard=' key to the list of values */
-	str = strchr(str, '=');
-	if (str == NULL)
+	if (__guard[0] != 0)
 		return;
-	str++;
 
-	while (str && idx < GUARD_MAX) {
-		/*
-		 * Pull the next numeric string out of the list and convert it to
-		 * a real number.
-		 */
-		strlcpy(tmp, str, 20);
-		p = strchr(tmp, ',');
-		if (p)
-			*p = '\0';
-		val = strtoull(tmp, NULL, 0);
-		__stack_chk_guard[idx] = (long)(val & ((unsigned long) -1));
-		idx++;
-		if ((str = strchr(str, ',')) != NULL)
-			str++;
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_ARND;
+
+	len = sizeof(__guard);
+	if (__sysctl(mib, 2, __guard, &len, NULL, 0) == -1 ||
+	    len != sizeof(__guard)) {
+		/* If sysctl was unsuccessful, use the "terminator canary". */
+		((unsigned char *)__guard)[0] = 0;
+		((unsigned char *)__guard)[1] = 0;
+		((unsigned char *)__guard)[2] = '\n';
+		((unsigned char *)__guard)[3] = 255;
 	}
 }
 
+/*ARGSUSED*/
 void
-__guard_setup(const char *apple[])
+__stack_smash_handler(char func[], int damaged)
 {
-	int fd;
-	size_t len;
-	const char **p;
+	struct syslog_data sdata = SYSLOG_DATA_INIT;
+	const char message[] = "stack overflow in function %s";
+	struct sigaction sa;
+	sigset_t mask;
 
-	if (__stack_chk_guard[0] != 0)
-		return;
-
-	for (p = apple; p && *p; p++) {
-		if (strstr(*p, "stack_guard") == *p) {
-			__guard_from_kernel(*p);
-			bzero((void*)*p, strlen(*p));
-			if (__stack_chk_guard[0] != 0) {
-				return;
-			}
-		}
-	}
-
-	fd = open ("/dev/urandom", 0);
-	if (fd != -1) {
-		len = read (fd, (char*)&__stack_chk_guard, sizeof(__stack_chk_guard));
-		close(fd);
-		if (len == sizeof(__stack_chk_guard) && 
-                    *__stack_chk_guard != 0)
-			return;
-	}
-
-	/* If If a random generator can't be used, the protector switches the guard
-           to the "terminator canary" */
-	((unsigned char *)__stack_chk_guard)[0] = 0;
-	((unsigned char *)__stack_chk_guard)[1] = 0;
-	((unsigned char *)__stack_chk_guard)[2] = '\n';
-	((unsigned char *)__stack_chk_guard)[3] = 255;
-}
-
-static const char *stackoverflow_msg = "stack buffer overflow";
-
-void
-__stack_chk_fail(void)
-{
-	CRSetCrashLogMessage(stackoverflow_msg);
+	/* Immediately block all signal handlers from running code */
+	sigfillset(&mask);
+	sigdelset(&mask, SIGABRT);
+	sigprocmask(SIG_BLOCK, &mask, NULL);
 
 	/* This may fail on a chroot jail... */
-	char prog[2*MAXCOMLEN+1] = {0};
-	proc_name(getpid(), prog, 2*MAXCOMLEN);
-	prog[2*MAXCOMLEN] = 0;
-	_simple_asl_log_prog(ASL_LEVEL_CRIT, "user", stackoverflow_msg, prog);
+	syslog_r(LOG_CRIT, &sdata, message, func);
 
-	__abort();
+	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);
+
+	_exit(127);
 }