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Merge pull request #1831 from cesanta/mqtt

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Accept zero-length payload messages
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Sergey Lyubka authored and GitHub committed 2022-11-03 16:46:56 +00:00
2 parents 0defce37f0 a3ede75842
commit 1f85fcc9b0
2 files changed
+2 -2
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mongoose.c
+1 -1
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@@ -3195,7 +3195,7 @@ int mg_mqtt_parse(const uint8_t *buf, size_t len, uint8_t version,
m->id = (uint16_t) ((((uint16_t) p[0]) << 8) | p[1]);
p += 2;
}
if (p >= end) return MQTT_MALFORMED;
if (p > end) return MQTT_MALFORMED;
if (version == 5) p += 1 + p[0]; // Skip options
if (p > end) return MQTT_MALFORMED;
m->data.ptr = (char *) p;
src/mqtt.c
+1 -1
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@@ -172,7 +172,7 @@ int mg_mqtt_parse(const uint8_t *buf, size_t len, uint8_t version,
m->id = (uint16_t) ((((uint16_t) p[0]) << 8) | p[1]);
p += 2;
}
if (p >= end) return MQTT_MALFORMED;
if (p > end) return MQTT_MALFORMED;
if (version == 5) p += 1 + p[0]; // Skip options
if (p > end) return MQTT_MALFORMED;
m->data.ptr = (char *) p;