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Upgrade libpcap to 1.8.1 (Nmap-specific patches not yet applied)

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This commit is contained in:
dmiller
2018-07-18 13:41:35 +00:00
parent cbb54f79a8
commit 3fc4a6fc95
216 changed files with 27408 additions and 18957 deletions
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101
libpcap/pcap-common.c
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@@ -25,9 +25,9 @@
#include "config.h"
#endif
#ifdef WIN32
#ifdef _WIN32
#include <pcap-stdinc.h>
#else /* WIN32 */
#else /* _WIN32 */
#if HAVE_INTTYPES_H
#include <inttypes.h>
#elif HAVE_STDINT_H
@@ -37,11 +37,14 @@
#include <sys/bitypes.h>
#endif
#include <sys/types.h>
#endif /* WIN32 */
#endif /* _WIN32 */
#include "pcap-int.h"
#include "extract.h"
#include "pcap/sll.h"
#include "pcap/usb.h"
#include "pcap/nflog.h"
#include "pcap/can_socketcan.h"
#include "pcap-common.h"
@@ -351,7 +354,7 @@
#define LINKTYPE_GPRS_LLC 169 /* GPRS LLC */
#define LINKTYPE_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */
#define LINKTYPE_GPF_F 171 /* GPF-T (ITU-T G.7041/Y.1303) */
#define LINKTYPE_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */
/*
* Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line
@@ -426,10 +429,17 @@
#define LINKTYPE_A653_ICM 185
/*
* USB packets, beginning with a USB setup header; requested by
* Paolo Abeni <paolo.abeni@email.it>.
* This used to be "USB packets, beginning with a USB setup header;
* requested by Paolo Abeni <paolo.abeni@email.it>."
*
* However, that header didn't work all that well - it left out some
* useful information - and was abandoned in favor of the DLT_USB_LINUX
* header.
*
* This is now used by FreeBSD for its BPF taps for USB; that has its
* own headers. So it is written, so it is done.
*/
#define LINKTYPE_USB 186
#define LINKTYPE_USB_FREEBSD 186
/*
* Bluetooth HCI UART transport layer (part H:4); requested by
@@ -736,8 +746,10 @@
/*
* CAN (Controller Area Network) frames, with a pseudo-header as supplied
* by Linux SocketCAN. See Documentation/networking/can.txt in the Linux
* source.
* by Linux SocketCAN, and with multi-byte numerical fields in that header
* in big-endian byte order.
*
* See Documentation/networking/can.txt in the Linux source.
*
* Requested by Felix Obenhuber <felix@obenhuber.de>.
*/
@@ -959,7 +971,6 @@
*/
#define LINKTYPE_PROFIBUS_DL 257
/*
* Apple's DLT_PKTAP headers.
*
@@ -1000,7 +1011,24 @@
#define LINKTYPE_ZWAVE_R1_R2 261
#define LINKTYPE_ZWAVE_R3 262
#define LINKTYPE_MATCHING_MAX 262 /* highest value in the "matching" range */
/*
* per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper
* Digital Lighting Management room bus serial protocol captures.
*/
#define LINKTYPE_WATTSTOPPER_DLM 263
/*
* ISO 14443 contactless smart card messages.
*/
#define LINKTYPE_ISO_14443 264
/*
* Radio data system (RDS) groups. IEC 62106.
* Per Jonathan Brucker <jonathan.brucke@gmail.com>.
*/
#define LINKTYPE_RDS 265
#define LINKTYPE_MATCHING_MAX 265 /* highest value in the "matching" range */
static struct linktype_map {
int dlt;
@@ -1147,6 +1175,48 @@ linktype_to_dlt(int linktype)
return linktype;
}
#define EXTRACT_
/*
* DLT_LINUX_SLL packets with a protocol type of LINUX_SLL_P_CAN or
* LINUX_SLL_P_CANFD have SocketCAN headers in front of the payload,
* with the CAN ID being in host byte order.
*
* When reading a DLT_LINUX_SLL capture file, we need to check for those
* packets and convert the CAN ID from the byte order of the host that
* wrote the file to this host's byte order.
*/
static void
swap_linux_sll_header(const struct pcap_pkthdr *hdr, u_char *buf)
{
u_int caplen = hdr->caplen;
u_int length = hdr->len;
struct sll_header *shdr = (struct sll_header *)buf;
u_int16_t protocol;
pcap_can_socketcan_hdr *chdr;
if (caplen < (u_int) sizeof(struct sll_header) ||
length < (u_int) sizeof(struct sll_header)) {
/* Not enough data to have the protocol field */
return;
}
protocol = EXTRACT_16BITS(&shdr->sll_protocol);
if (protocol != LINUX_SLL_P_CAN && protocol != LINUX_SLL_P_CANFD)
return;
/*
* SocketCAN packet; fix up the packet's header.
*/
chdr = (pcap_can_socketcan_hdr *)(buf + sizeof(struct sll_header));
if (caplen < (u_int) sizeof(struct sll_header) + sizeof(chdr->can_id) ||
length < (u_int) sizeof(struct sll_header) + sizeof(chdr->can_id)) {
/* Not enough data to have the CAN ID */
return;
}
chdr->can_id = SWAPLONG(chdr->can_id);
}
/*
* The DLT_USB_LINUX and DLT_USB_LINUX_MMAPPED headers are in host
* byte order when capturing (it's supplied directly from a
@@ -1316,12 +1386,13 @@ swap_nflog_header(const struct pcap_pkthdr *hdr, u_char *buf)
u_int length = hdr->len;
u_int16_t size;
if (caplen < (int) sizeof(nflog_hdr_t) || length < (int) sizeof(nflog_hdr_t)) {
if (caplen < (u_int) sizeof(nflog_hdr_t) ||
length < (u_int) sizeof(nflog_hdr_t)) {
/* Not enough data to have any TLVs. */
return;
}
if (!(nfhdr->nflog_version) == 0) {
if (nfhdr->nflog_version != 0) {
/* Unknown NFLOG version */
return;
}
@@ -1371,6 +1442,10 @@ swap_pseudo_headers(int linktype, struct pcap_pkthdr *hdr, u_char *data)
*/
switch (linktype) {
case DLT_LINUX_SLL:
swap_linux_sll_header(hdr, data);
break;
case DLT_USB_LINUX:
swap_linux_usb_header(hdr, data, 0);
break;