added some socket options - see changelog

ZerBea · Sep 2, 2019 · d8a3a4b · d8a3a4b
1 parent 90aa960
commit d8a3a4b
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diff --git a/changelog b/changelog
@@ -1,3 +1,9 @@
+02.09.2019
+==========
+hcxdumptool : added bind() ll.sll_pkttype = PACKET_OTHERHOST | PACKET_OUTGOING
+              added setsockopt() r.mr_type = PACKET_MR_PROMISC
+
+
 01.09.2019
 ==========
 hcxdumptool     : print additional information about interfering services

diff --git a/hcxdumptool.c b/hcxdumptool.c
@@ -4931,6 +4931,7 @@ static struct ifreq ifr;
 static struct iwreq iwr;
 static struct sockaddr_ll ll;
 static struct ethtool_perm_addr *epmaddr;
+static struct packet_mreq mr;
 
 fd_socket = 0;
 fd_socket_gpsd = 0;
@@ -5044,12 +5045,18 @@ ll.sll_family = AF_PACKET;
 ll.sll_ifindex = ifr.ifr_ifindex;
 ll.sll_protocol = htons(ETH_P_ALL);
 ll.sll_halen = ETH_ALEN;
+ll.sll_pkttype = PACKET_OTHERHOST | PACKET_OUTGOING;
 if(bind(fd_socket, (struct sockaddr*) &ll, sizeof(ll)) < 0)
 	{
 	perror("failed to bind socket");
 	return false;
 	}
 
+memset(&mr, 0, sizeof(mr));
+mr.mr_ifindex = ifr.ifr_ifindex;
+mr.mr_type    = PACKET_MR_PROMISC;
+setsockopt(fd_socket, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mr, sizeof(mr));
+
 epmaddr = malloc(sizeof(struct ethtool_perm_addr) +6);
 if (!epmaddr)
 	{