File wpa_supplicant-getrandom.patch of Package wpa_supplicant

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File wpa_supplicant-getrandom.patch of Package wpa_supplicant (Revision ffa395a0642bad4d0bc3f165a066fa06)

Currently displaying revision ffa395a0642bad4d0bc3f165a066fa06 , Show latest

Index: wpa_supplicant-2.9/src/utils/os_unix.c
===================================================================
--- wpa_supplicant-2.9.orig/src/utils/os_unix.c
+++ wpa_supplicant-2.9/src/utils/os_unix.c
@@ -6,11 +6,15 @@
  * See README for more details.
  */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
 #include "includes.h"
 
 #include <time.h>
 #include <sys/wait.h>
-
+#include <sys/syscall.h>
+#include <unistd.h>
 #ifdef ANDROID
 #include <sys/capability.h>
 #include <sys/prctl.h>
@@ -257,6 +261,10 @@ int os_get_random(unsigned char *buf, si
 		buf[i] = i & 0xff;
 	return 0;
 #else /* TEST_FUZZ */
+#ifdef SYS_getrandom
+    int gr = TEMP_FAILURE_RETRY(syscall(SYS_getrandom, buf, len, 0));
+    return (gr != -1 && gr == len) ? 0 : -1;
+#else /* SYS_getrandom */
 	FILE *f;
 	size_t rc;
 
@@ -269,10 +277,13 @@ int os_get_random(unsigned char *buf, si
 		return -1;
 	}
 
+	setbuf(f, NULL);
+
 	rc = fread(buf, 1, len, f);
 	fclose(f);
 
 	return rc != len ? -1 : 0;
+#endif /* SYS_getrandom */
 #endif /* TEST_FUZZ */
 }

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File wpa_supplicant-getrandom.patch of Package wpa_supplicant (Revision ffa395a0642bad4d0bc3f165a066fa06)

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