matthieu/frr
1
0
Fork 0
forked from Mirror/frr
Code Pull requests Activity

ripd: null check the key string

Browse source 
This fix a crash of  null pointer.
when we don't add a key string or delete it,
the key is not null but key string is null,
so the code have to return.

Signed-off-by: lyq140 <34637052+lyq140@users.noreply.github.com>
This commit is contained in:
lyq140 2018-08-01 12:03:24 +08:00
parent e841105b61
commit e65e227f28
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
ripd/ripd.c
View file

@ -902,7 +902,7 @@ static int rip_auth_md5(struct rip_packet *packet, struct sockaddr_in *from,
return 0;
key = key_lookup_for_accept(keychain, md5->keyid);
if (key == NULL)
if (key == NULL || key->string == NULL)
return 0;
strncpy(auth_str, key->string, RIP_AUTH_MD5_SIZE);