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Ignore Npcap pcap_sendpacket return value

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A non-zero return value of `pcap_sendpacket` does not neccessarily indicate a failure, as outlined by the
Npcap developers in [this issue](https://github.com/nmap/npcap/issues/638).
This commit is contained in:
Joseph C. Lehner 2022-10-07 18:43:16 +02:00
parent 51ae2ca6f5
commit 9eec3db15b
1 changed files with 2 additions and 4 deletions
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6
ethsock.c
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@ -776,12 +776,10 @@ ssize_t ethsock_recv(struct ethsock *sock, void *buf, size_t len)
int ethsock_send(struct ethsock *sock, void *buf, size_t len) int ethsock_send(struct ethsock *sock, void *buf, size_t len)
{ {
#ifdef NMRPFLASH_WINDOWS #ifdef NMRPFLASH_WINDOWS
if (pcap_sendpacket(sock->pcap, buf, len) == 0) { if (pcap_sendpacket(sock->pcap, buf, len) != 0 && verbosity > 1) {
return 0;
} else {
pcap_perror(sock->pcap, "pcap_sendpacket"); pcap_perror(sock->pcap, "pcap_sendpacket");
return -1;
} }
return 0;
#else #else
if (pcap_inject(sock->pcap, buf, len) == len) { if (pcap_inject(sock->pcap, buf, len) == len) {
return 0; return 0;