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As specified by the MQTT specification (MQTT-3.1.3-6), the client ID may be empty. That means the length of the client ID string may be 0. However, The MQTT parser does not support empty strings. So, to fix the bug, the mqtt_read_string() function may now parse empty string. 2 bytes must be found to decode the string length, but the length may be 0 now. It is the caller responsibility to test the string emptiness if necessary. In addition, in mqtt_parse_connect(), the client ID may be empty now. This patch should partely fix the issue #1310. It must be backported to 2.4. |
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| .. | ||
| digest.vtc | ||
| field.vtc | ||
| fix.vtc | ||
| hmac.vtc | ||
| iif.vtc | ||
| json_query.vtc | ||
| json.vtc | ||
| mqtt.vtc | ||
| secure_memcmp.vtc | ||
| sha2.vtc | ||
| url_dec.vtc | ||
| url_enc.vtc | ||