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Cluster: discard bus messages with version != 0.

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antirez 2014-02-10 15:54:19 +01:00
parent 007e1c7cb2
commit dced9c0619
1 changed files with 2 additions and 1 deletions
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src/cluster.c
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@ -1166,9 +1166,10 @@ int clusterProcessPacket(clusterLink *link) {
type, (unsigned long) totlen); type, (unsigned long) totlen);
/* Perform sanity checks */ /* Perform sanity checks */
if (totlen < 16) return 1; /* At least signature, totlen, count. */ if (totlen < 16) return 1; /* At least signature, version, totlen, count. */
if (hdr->sig[0] != 'R' || hdr->sig[1] != 'C' || if (hdr->sig[0] != 'R' || hdr->sig[1] != 'C' ||
hdr->sig[2] != 'i' || hdr->sig[3] != 'b') return 1; /* Bad signature. */ hdr->sig[2] != 'i' || hdr->sig[3] != 'b') return 1; /* Bad signature. */
if (ntohs(hdr->ver) != 0) return 1; /* Can't handle versions other than 0. */
if (totlen > sdslen(link->rcvbuf)) return 1; if (totlen > sdslen(link->rcvbuf)) return 1;
if (type == CLUSTERMSG_TYPE_PING || type == CLUSTERMSG_TYPE_PONG || if (type == CLUSTERMSG_TYPE_PING || type == CLUSTERMSG_TYPE_PONG ||
type == CLUSTERMSG_TYPE_MEET) type == CLUSTERMSG_TYPE_MEET)