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| author | Andreas Schneider <asn@cryptomilk.org> | 2020-04-02 07:25:53 +0200 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2020-04-02 07:25:53 +0200 |
| commit | d2f0d3270a8733e3e8ad3788e8a315c533c765f9 (patch) | |
| tree | 1bfdefb046075e90c99467816b55b14530c85dac /src | |
| parent | a9a7c2dc29a27fb4c34490ff3488638563536ac5 (diff) | |
| download | libssh-d2f0d3270a8733e3e8ad3788e8a315c533c765f9.tar.gz libssh-d2f0d3270a8733e3e8ad3788e8a315c533c765f9.tar.xz libssh-d2f0d3270a8733e3e8ad3788e8a315c533c765f9.zip | |
dh-gex: Check return value of ssh_get_random()
CID #1422162
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/dh-gex.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/dh-gex.c b/src/dh-gex.c index 6c75c69e..9bf0546a 100644 --- a/src/dh-gex.c +++ b/src/dh-gex.c @@ -366,8 +366,13 @@ static bool dhgroup_better_size(uint32_t pmin, */ static bool invn_chance(int n) { - uint32_t nounce; - ssh_get_random(&nounce, sizeof(nounce), 0); + uint32_t nounce = 0; + int ok; + + ok = ssh_get_random(&nounce, sizeof(nounce), 0); + if (!ok) { + return false; + } return (nounce % n) == 0; } |