From: hackbard <hackbard>
Date: Fri, 6 Sep 2002 22:37:09 +0000 (+0000)
Subject: added ip header support
X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=3cd7e5c91cc95ead863814a848096315c9a326c1;p=my-code%2Fhdw-sniff.git

added ip header support
---

diff --git a/hdw-sniff.c b/hdw-sniff.c
index 8f11c82..e49ec34 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -26,6 +26,7 @@ int main(int argc, char *argv[]) {
 	const u_char *package;
 	struct pcap_pkthdr pcap_header;
 	struct ethhdr *e_hdr;
+	struct ip *ip_hdr;
 	struct ieee802_11_hdr *w_hdr;
 	
 	/* parse the arguments */
@@ -73,7 +74,9 @@ int main(int argc, char *argv[]) {
 	printf("%x%s",*(e_hdr->h_source+i),((i==ETH_ALEN-1)?"\n":":"));
 	if(ntohs(e_hdr->h_proto)==ETH_P_IP) {
 		printf("ip protocol: ");
-		// printf("
+		ip_hdr=(struct ip *)(package+sizeof(struct ethhdr));
+		printf("version = %x ",ntohs(ip_hdr->ip_v:4));
+		printf("header length = %x\n",ntohs(ip_hdr->ip_hl:4));
 	}
 	printf("rest:\n");
 	for(i=sizeof(struct ethhdr);i<pcap_header.caplen;i++)