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| author | lyq140 <34637052+lyq140@users.noreply.github.com> | 2018-08-01 14:48:36 +0200 |
|---|---|---|
| committer | lyq140 <34637052+lyq140@users.noreply.github.com> | 2018-08-01 14:48:36 +0200 |
| commit | c4efb22479a17f5298baceb299975c5e198c4b53 (patch) | |
| tree | f0b53f5d82116d5da3548b918a53657b202b178d /lib/keychain.c | |
| parent | Merge pull request #2763 from lyq140/master (diff) | |
| download | frr-c4efb22479a17f5298baceb299975c5e198c4b53.tar.xz frr-c4efb22479a17f5298baceb299975c5e198c4b53.zip | |
ripd: null check key
Fix ripd crash of null pointer.
when authenticate a rip packet,
the key pointer or the key string pointer may be null,
the code have to return then.
Signed-off-by: lyq140 <34637052+lyq140@users.noreply.github.com>
Diffstat (limited to 'lib/keychain.c')
| -rw-r--r-- | lib/keychain.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/keychain.c b/lib/keychain.c index c3e1a6d3c..494f6f643 100644 --- a/lib/keychain.c +++ b/lib/keychain.c @@ -172,7 +172,7 @@ struct key *key_match_for_accept(const struct keychain *keychain, if (key->accept.start == 0 || (key->accept.start <= now && (key->accept.end >= now || key->accept.end == -1))) - if (strncmp(key->string, auth_str, 16) == 0) + if (key->string && (strncmp(key->string, auth_str, 16) == 0)) return key; } return NULL; |