mark/iftop
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added support for PPP interfaces.

Browse Source
This commit is contained in:
pdw
2004-07-26 20:36:29 +00:00
parent 09cb936020
commit fb552d306e
2 changed files with 91 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
iftop.c
View File

@@ -43,6 +43,7 @@
#include "extract.h"
#include "ethertype.h"
#include "cfgfile.h"
#include "ppp.h"
/* ethernet address of interface. */
@@ -353,6 +354,32 @@ static void handle_tokenring_packet(unsigned char* args, const struct pcap_pkthd
}
}
static void handle_ppp_packet(unsigned char* args, const struct pcap_pkthdr* pkthdr, const unsigned char* packet)
{
register u_int length = pkthdr->len;
register u_int caplen = pkthdr->caplen;
u_int proto;
if (caplen < 2)
return;
if(packet[0] == PPP_ADDRESS) {
if (caplen < 4)
return;
packet += 2;
length -= 2;
proto = EXTRACT_16BITS(packet);
packet += 2;
length -= 2;
if(proto == PPP_IP || proto == ETHERTYPE_IP) {
handle_ip_packet((struct ip*)packet, -1);
}
}
}
#ifdef DLT_LINUX_SLL
static void handle_cooked_packet(unsigned char *args, const struct pcap_pkthdr * thdr, const unsigned char * packet)
{
@@ -487,6 +514,9 @@ void packet_init() {
else if(dlt == DLT_IEEE802) {
packet_handler = handle_tokenring_packet;
}
else if(dlt == DLT_PPP) {
packet_handler = handle_ppp_packet;
}
/*
* SLL support not available in older libpcaps
*/