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sd-id128: use new dev_urandom() call

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This commit is contained in:
Lennart Poettering 2014-02-19 17:50:15 +01:00
parent 581483bf59
commit 0f0e240cb8
1 changed files with 4 additions and 12 deletions
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16
src/libsystemd/sd-id128/sd-id128.c
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@ -208,22 +208,14 @@ _public_ int sd_id128_get_boot(sd_id128_t *ret) {
}
_public_ int sd_id128_randomize(sd_id128_t *ret) {
_cleanup_close_ int fd = -1;
sd_id128_t t;
ssize_t k;
int r;
assert_return(ret, -EINVAL);
fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (fd < 0)
return -errno;
k = loop_read(fd, &t, 16, false);
if (k < 0)
return (int) k;
if (k != 16)
return -EIO;
r = dev_urandom(&t, sizeof(t));
if (r < 0)
return r;
/* Turn this into a valid v4 UUID, to be nice. Note that we
* only guarantee this for newly generated UUIDs, not for