45 lines
870 B
Diff
45 lines
870 B
Diff
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--- wpa_supplicant-2.4.orig/src/utils/os_unix.c
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+++ wpa_supplicant-2.4/src/utils/os_unix.c
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@@ -6,11 +6,15 @@
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* See README for more details.
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*/
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+#ifndef _GNU_SOURCE
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+#define _GNU_SOURCE
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+#endif
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#include "includes.h"
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#include <time.h>
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#include <sys/wait.h>
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-
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+#include <sys/syscall.h>
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+#include <unistd.h>
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#ifdef ANDROID
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#include <sys/capability.h>
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#include <sys/prctl.h>
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@@ -223,6 +227,10 @@ void os_daemonize_terminate(const char *
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int os_get_random(unsigned char *buf, size_t len)
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{
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+#ifdef SYS_getrandom
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+ int gr = TEMP_FAILURE_RETRY(syscall(SYS_getrandom, buf, len, 0));
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+ return (gr != -1 && gr == len) ? 0 : -1;
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+#else
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FILE *f;
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size_t rc;
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@@ -232,10 +240,13 @@ int os_get_random(unsigned char *buf, si
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return -1;
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}
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+ setbuf(f, NULL);
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+
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rc = fread(buf, 1, len, f);
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fclose(f);
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return rc != len ? -1 : 0;
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+#endif
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}
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