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| author | Tobias Brunner <tobias@strongswan.org> | 2015-10-12 11:04:55 +0200 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2015-10-29 16:17:17 +0100 |
| commit | 35dbf8af7a9048f3384af181613c352b718f8d8e (patch) | |
| tree | 30e0d3c51f4c6e61d3aa8975b60b9265c6107e7f /src/libstrongswan/plugins/random/random_rng.c | |
| parent | 37a22a166b6f76d8acf4051b8480d592e851072b (diff) | |
| download | strongswan-35dbf8af7a9048f3384af181613c352b718f8d8e.tar.bz2 strongswan-35dbf8af7a9048f3384af181613c352b718f8d8e.tar.xz | |
random: Properly handle errors when reading from /dev/[u]random
If -1 was returned on the first call to read() `done` got SIZE_MAX
and the function returned TRUE even though no actual random data had
been allocated.
Fixes #1156.
Diffstat (limited to 'src/libstrongswan/plugins/random/random_rng.c')
| -rw-r--r-- | src/libstrongswan/plugins/random/random_rng.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/random/random_rng.c b/src/libstrongswan/plugins/random/random_rng.c index 36d5446b8..177b3c2e5 100644 --- a/src/libstrongswan/plugins/random/random_rng.c +++ b/src/libstrongswan/plugins/random/random_rng.c @@ -56,6 +56,7 @@ METHOD(rng_t, get_bytes, bool, DBG1(DBG_LIB, "reading from random FD %d failed: %s, retrying...", this->fd, strerror(errno)); sleep(1); + continue; } done += got; } |