X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=hdw-sniff.c;h=48e7bdc0876293789654969feab241eda65fd4c0;hb=35df42866e250c555345452bb26bb6946ac25de8;hp=8f11c82f946f8815f46be13b3d031d094e882916;hpb=a1ec80dc19c6d11ac909b4aed79a1f8fc845ce0f;p=my-code%2Fhdw-sniff.git

diff --git a/hdw-sniff.c b/hdw-sniff.c
index 8f11c82..48e7bdc 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -9,6 +9,8 @@
 
 /* IEEE 802.3 stuff -- i will concentrate on .11 stuff before! */
 #include <netinet/if_ether.h>
+#include <netinet/ip.h> /* ip */
+#include <netinet/in.h>	/* in_addr */
 
 /* IEEE 802.11 stuff -- will become one include later ... */
 #include "ieee80211.h" /* from hunz's aeolus, short hostap_wlan.h */
@@ -26,6 +28,7 @@ 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 */
@@ -71,9 +74,21 @@ int main(int argc, char *argv[]) {
 	printf(" src_addr = ");
 	for(i=0;i<ETH_ALEN;i++)
 	printf("%x%s",*(e_hdr->h_source+i),((i==ETH_ALEN-1)?"\n":":"));
+		/* IP ? */
 	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));
+		printf("header_length = %x \n",ntohs(ip_hdr->ip_hl));
+		// i=0;
+		//printf("service = %x ",*(ip_hdr->ip_tos));
+		//printf("total_length(dec.) = %hu \n",*(ip_hdr->ip_len));
+		//printf("ip_addresses: source = ");
+		//for(i=0;i<4;i++)
+		//	printf("%x%s",*(ip_hdr->ip_src+i),
+		//			(i==3?"\n":"."));
+		
+		
 	}
 	printf("rest:\n");
 	for(i=sizeof(struct ethhdr);i<pcap_header.caplen;i++)
@@ -81,6 +96,6 @@ int main(int argc, char *argv[]) {
 	printf("\n");
 	}
 	printf("\n");
-	printf("just beacon frames, ha? - wake up early! :)\n");
+	printf("wake up early! :)\n");
 	printf("\n");
 }