dect
/
libpcap
Archived
13
0
Fork 0

Rename DLT_PPP_WITHDIRECTION to DLT_LINUX_PPP_WITHDIRECTION, as it's a

Linux-specific mechanism, and rename other #defines accordingly.  Give
more details about it in comments.
This commit is contained in:
guy 2005-01-31 01:47:27 +00:00
parent f08856ee2d
commit d9e0597103
5 changed files with 41 additions and 23 deletions

View File

@ -21,7 +21,7 @@
*/
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.217 2005-01-25 22:38:23 hannes Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.218 2005-01-31 01:47:27 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -757,7 +757,7 @@ init_linktype(p)
return;
case DLT_PPP:
case DLT_PPP_WITHDIRECTION:
case DLT_LINUX_PPP_WITHDIRECTION:
case DLT_C_HDLC: /* BSD/OS Cisco HDLC */
case DLT_PPP_SERIAL: /* NetBSD sync/async serial PPP */
off_linktype = 2;
@ -1542,7 +1542,7 @@ gen_linktype(proto)
break;
case DLT_PPP:
case DLT_PPP_WITHDIRECTION:
case DLT_LINUX_PPP_WITHDIRECTION:
case DLT_PPP_SERIAL:
case DLT_PPP_ETHER:
/*
@ -5117,13 +5117,13 @@ gen_inbound(dir)
(bpf_int32)((dir == 0) ? PF_IN : PF_OUT));
break;
case DLT_PPP_WITHDIRECTION:
case DLT_LINUX_PPP_WITHDIRECTION:
if (dir) {
/* match outgoing packets */
b0 = gen_cmp(0, BPF_B, PPP_WITHDIRECTION_OUT);
b0 = gen_cmp(0, BPF_B, LINUX_PPP_WITHDIRECTION_OUT);
} else {
/* match incoming packets */
b0 = gen_cmp(0, BPF_B, PPP_WITHDIRECTION_IN);
b0 = gen_cmp(0, BPF_B, LINUX_PPP_WITHDIRECTION_IN);
}
break;

View File

@ -37,7 +37,7 @@
*
* @(#)bpf.h 7.1 (Berkeley) 5/7/91
*
* @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.31 2005-01-31 01:00:07 guy Exp $ (LBL)
* @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.32 2005-01-31 01:47:27 guy Exp $ (LBL)
*/
/*
@ -522,11 +522,20 @@ struct bpf_version {
#define DLT_BACNET_MS_TP 165
/*
* another PPP variant as per request from Karsten Keil <kkeil@suse.de>
* the first byte of the PPP header (0xff03) is modified to accomodate
* the direction 0x00 = IN, 0x01 = OUT
* Another PPP variant as per request from Karsten Keil <kkeil@suse.de>.
*
* This is used in Linux to allow a kernel socket filter to distinguish
* between incoming and outgoing packets, on a socket intended to
* supply pppd with outgoing packets so it can do dial-on-demand and
* hangup-on-lack-of-demand; incoming packets are filtered out so they
* don't cause pppd to hold the connection up (you don't want random
* input packets such as port scans, packets from old lost connections,
* etc. to force the connection to stay up).
*
* The first byte of the PPP header (0xff03) is modified to accomodate
* the direction - 0x00 = IN, 0x01 = OUT.
*/
#define DLT_PPP_WITHDIRECTION 166
#define DLT_LINUX_PPP_WITHDIRECTION 166
/*
* Juniper-private data link type, as per request from

4
pcap.c
View File

@ -33,7 +33,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/pcap.c,v 1.85 2005-01-27 18:32:28 hannes Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/pcap.c,v 1.86 2005-01-31 01:47:27 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -359,7 +359,7 @@ static struct dlt_choice dlt_choices[] = {
DLT_CHOICE(DLT_JUNIPER_ATM1, "Juniper ATM1 PIC"),
DLT_CHOICE(DLT_JUNIPER_ATM2, "Juniper ATM2 PIC"),
DLT_CHOICE(DLT_JUNIPER_MLPPP, "Juniper Multi-Link PPP"),
DLT_CHOICE(DLT_PPP_WITHDIRECTION, "PPP with direction"),
DLT_CHOICE(DLT_LINUX_PPP_WITHDIRECTION, "Linux PPP with direction flag"),
DLT_CHOICE(DLT_JUNIPER_PPPOE, "Juniper PPPoE"),
DLT_CHOICE(DLT_JUNIPER_PPPOE_ATM, "Juniper PPPoE/ATM"),
DLT_CHOICE(DLT_GPRS_LLC, "GPRS LLC"),

6
ppp.h
View File

@ -1,4 +1,4 @@
/* @(#) $Header: /tcpdump/master/libpcap/ppp.h,v 1.10 2004-08-18 14:25:01 hannes Exp $ (LBL) */
/* @(#) $Header: /tcpdump/master/libpcap/ppp.h,v 1.11 2005-01-31 01:47:28 guy Exp $ (LBL) */
/*
* Point to Point Protocol (PPP) RFC1331
*
@ -18,8 +18,8 @@
#define PPP_ADDRESS 0xff /* The address byte value */
#define PPP_CONTROL 0x03 /* The control byte value */
#define PPP_WITHDIRECTION_IN 0x00 /* non-standard for DLT_PPP_WITHDIRECTION */
#define PPP_WITHDIRECTION_OUT 0x01 /* non-standard for DLT_PPP_WITHDIRECTION */
#define LINUX_PPP_WITHDIRECTION_IN 0x00 /* non-standard for DLT_LINUX_PPP_WITHDIRECTION */
#define LINUX_PPP_WITHDIRECTION_OUT 0x01 /* non-standard for DLT_LINUX_PPP_WITHDIRECTION */
/* Protocol numbers */
#define PPP_IP 0x0021 /* Raw IP */

View File

@ -30,7 +30,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.123 2005-01-12 09:15:05 hannes Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.124 2005-01-31 01:47:28 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -353,11 +353,20 @@ static const char rcsid[] _U_ =
#define LINKTYPE_BACNET_MS_TP 165
/*
* another PPP variant as per request from Karsten Keil <kkeil@suse.de>
* the first byte (0xff) of the PPP header (0xff03) is tweaked to accomodate
* the direction 0x00 = IN, 0x01 = OUT
* Another PPP variant as per request from Karsten Keil <kkeil@suse.de>.
*
* This is used in Linux to allow a kernel socket filter to distinguish
* between incoming and outgoing packets, on a socket intended to
* supply pppd with outgoing packets so it can do dial-on-demand and
* hangup-on-lack-of-demand; incoming packets are filtered out so they
* don't cause pppd to hold the connection up (you don't want random
* input packets such as port scans, packets from old lost connections,
* etc. to force the connection to stay up).
*
* The first byte of the PPP header (0xff03) is modified to accomodate
* the direction - 0x00 = IN, 0x01 = OUT.
*/
#define LINKTYPE_PPP_WITHDIRECTION 166
#define LINKTYPE_LINUX_PPP_WITHDIRECTION 166
/*
* Juniper-private data link type, as per request from
@ -550,8 +559,8 @@ static struct linktype_map {
/* BACnet MS/TP */
{ DLT_BACNET_MS_TP, LINKTYPE_BACNET_MS_TP },
/* PPP with direction flag in the PPP header */
{ DLT_PPP_WITHDIRECTION,LINKTYPE_PPP_WITHDIRECTION},
/* Linux PPP with direction flag in the PPP header */
{ DLT_LINUX_PPP_WITHDIRECTION,LINKTYPE_LINUX_PPP_WITHDIRECTION},
/* Juniper-internal chassis encapsulation */
{ DLT_JUNIPER_PPPOE, LINKTYPE_JUNIPER_PPPOE },