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Access QoS field after validating topic length

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PUBLISHED_FROM=6f2d9849d75ca1ec2b6dade11ccad8d0c5d4b3bd
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Deomid Ryabkov 2017-09-06 18:22:34 +03:00 committed by Cesanta Bot
parent 97d733e129
commit f857f6394f
1 changed files with 1 additions and 1 deletions
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mongoose.c
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@ -10263,9 +10263,9 @@ int mg_mqtt_next_subscribe_topic(struct mg_mqtt_message *msg,
topic->len = buf[0] << 8 | buf[1];
topic->p = (char *) buf + 2;
*qos = buf[2 + topic->len];
new_pos = pos + 2 + topic->len + 1;
if ((size_t) new_pos > msg->payload.len) return -1;
*qos = buf[2 + topic->len];
return new_pos;
}