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Merge pull request #2763 from lyq140/master

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ripd: null check the key string
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Donald Sharp 2018-08-01 07:56:50 -04:00 committed by GitHub
commit aa0b1d3b60
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
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ripd/ripd.c
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@ -902,7 +902,7 @@ static int rip_auth_md5(struct rip_packet *packet, struct sockaddr_in *from,
return 0; return 0;
key = key_lookup_for_accept(keychain, md5->keyid); key = key_lookup_for_accept(keychain, md5->keyid);
if (key == NULL) if (key == NULL || key->string == NULL)
return 0; return 0;
strncpy(auth_str, key->string, RIP_AUTH_MD5_SIZE); strncpy(auth_str, key->string, RIP_AUTH_MD5_SIZE);