37 lines
1.0 KiB
Plaintext
37 lines
1.0 KiB
Plaintext
$OpenBSD: patch-tcpdump_c,v 1.3 2011/08/25 22:40:21 bluhm Exp $
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--- tcpdump.c.orig Thu Oct 7 22:07:30 2004
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+++ tcpdump.c Sun May 22 22:54:01 2011
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@@ -189,6 +189,22 @@ static int callback(
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memcpy((char*)ip_buf,buf+8,iplen-8);
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callback_plast = ip_buf+iplen-8-1;
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break;
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+ case PCAP_DLT_LOOP:
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+ /* loopback type (af header) */
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+ switch (ntohl(*(u_int *)buf)) {
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+ case AF_INET:
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+ eth_header.ether_type = htons(ETHERTYPE_IP);
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+ break;
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+ case AF_INET6:
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+ eth_header.ether_type = htons(ETHERTYPE_IPV6);
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+ break;
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+ default:
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+ eth_header.ether_type = 0;
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+ }
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+ offset = 4;
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+ memcpy((char *)ip_buf,buf+offset,iplen-offset);
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+ callback_plast = ip_buf+iplen-offset-1;
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+ break;
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case PCAP_DLT_RAW:
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/* raw IP */
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offset = 0;
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@@ -363,6 +379,9 @@ pread_f *is_tcpdump(char *filename)
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case PCAP_DLT_ATM_RFC1483:
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eth_header.ether_type = htons(ETHERTYPE_IP);
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physname = "ATM, LLC/SNAP encapsulated";
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+ break;
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+ case PCAP_DLT_LOOP:
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+ physname = "LOOP";
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break;
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case PCAP_DLT_RAW:
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eth_header.ether_type = htons(ETHERTYPE_IP);
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