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d4-core
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fix: [client] no data: send empty D4 packet

pull/49/head
Terrtia 2020-12-02 15:54:20 +01:00
parent ac301b5360
commit 893631e003
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GPG Key ID: 1E1B1F50D84613D0
1 changed files with 6 additions and 1 deletions
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7
client/d4.c
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@ -210,7 +210,7 @@ void d4_transfert(d4_t* d4)
//In case of errors see block of 0 bytes
bzero(buf, d4->snaplen);
nread = read(d4->source.fd, buf, d4->snaplen);
if ( nread > 0 ) {
if ( nread >= 0 ) {
d4_update_header(d4, nread);
//Do HMAC on header and payload. HMAC field is 0 during computation
if (d4->ctx) {
@ -238,6 +238,11 @@ void d4_transfert(d4_t* d4)
fprintf(stderr,"Incomplete header written. abort to let consumer known that the packet is corrupted\n");
abort();
}
// no data - create empty D4 packet
if ( nread == 0 ) {
//FIXME no data available, sleep, abort, retry
break;
}
} else{
//FIXME no data available, sleep, abort, retry
break;