修复ip分片跳转BUG.

2018-11-16 15:21:57 +08:00
parent e601cdb8ca
commit e3fca62644
4 changed files with 19 additions and 16 deletions
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -2177,7 +2177,10 @@ main(int argc, char **argv)
 	if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0){
 		error("%s", pcap_geterr(pd));
 	}else{
-		has_bpf_filter_flag = 1;
+		/* <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>bpf filter, <20>˴<EFBFBD><CBB4>ж<EFBFBD>һ<EFBFBD><D2BB> */
+		if(cmdbuf){
+			has_bpf_filter_flag = 1;
+		}
 	}
 	
 	if (dflag) {