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[cast] Length check of protobuf messages just to be safe

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ejurgensen 2021-02-17 22:45:45 +01:00
parent 07f012bd69
commit 036100eecd
1 changed files with 1 additions and 1 deletions
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src/outputs/cast.c
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@ -725,7 +725,7 @@ cast_msg_send(struct cast_session *cs, enum cast_msg_types type, cast_reply_cb r
msg.payload_utf8 = msg_buf; msg.payload_utf8 = msg_buf;
len = extensions__core_api__cast_channel__cast_message__get_packed_size(&msg); len = extensions__core_api__cast_channel__cast_message__get_packed_size(&msg);
if (len <= 0) if (len <= 0 || len >= sizeof(buf) - 4)
{ {
DPRINTF(E_LOG, L_CAST, "Could not send message (type %d), invalid length: %zu\n", type, len); DPRINTF(E_LOG, L_CAST, "Could not send message (type %d), invalid length: %zu\n", type, len);
return -1; return -1;