Tobias C. Berner
c51a84d287
Add alternate implementation for missing getrandom(2) on 11.x (v2) PR: 250128 Submitted by: John Hein <jcfyecrayz@liamekaens.com>
28 lines
770 B
C
28 lines
770 B
C
11.x does not have getrandom(2) (or getentropy(3))
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--- lib/ephy-sync-utils.c.orig 2020-10-04 22:15:55 UTC
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+++ lib/ephy-sync-utils.c
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@@ -24,6 +24,7 @@
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#include "ephy-settings.h"
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#include <errno.h>
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+#include <fcntl.h>
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#include <glib/gi18n.h>
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#include <inttypes.h>
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#include <json-glib/json-glib.h>
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@@ -189,7 +190,13 @@ ephy_sync_utils_generate_random_bytes (v
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}
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#else
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do {
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- ret = getrandom (out, num_bytes, 0);
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+ int fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC);
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+ if (fd != -1) {
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+ ret = read(fd, out, num_bytes);
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+ (void)close(fd);
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+ }
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+ else
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+ g_error ("Failed to open /dev/urandom to generate randomness: %s", g_strerror (errno));
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} while (ret < (gssize)num_bytes && errno == EINTR);
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if (ret != (gssize)num_bytes)
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