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增加pcap解析

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hao.ma 2024-11-15 11:42:00 +08:00 committed by hao.ma
parent 51f49d3a89
commit 7d69cbefc7
19 changed files with 5033 additions and 0 deletions
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7
CMakeLists.txt
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@ -358,6 +358,13 @@ if(ENABLE_ASAN)
message(STATUS "Address Sanitize enabled") message(STATUS "Address Sanitize enabled")
endif() endif()
if(CMAKE_SYSTEM_NAME MATCHES "Linux" AND ENABLE_TESTS)
set(LIBPCAP_SDK_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tests/third_party/libpcap)
include_directories(SYSTEM ${LIBPCAP_SDK_DIR}/include)
set(LIBPCAP_LIB ${LIBPCAP_SDK_DIR}/lib/libpcap.so.1)
update_cached_list(MK_LINK_LIBRARIES ${LIBPCAP_LIB})
endif()
# 下载jemalloc后静态编译 # 下载jemalloc后静态编译
# Static compilation after downloading jemalloc # Static compilation after downloading jemalloc
set(DEP_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdpart/external-${CMAKE_SYSTEM_NAME}) set(DEP_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdpart/external-${CMAKE_SYSTEM_NAME})

119
tests/test_ps.cpp Normal file
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@ -0,0 +1,119 @@
#include "Common/config.h"
#include "Http/HttpSession.h"
#include "Network/TcpServer.h"
#include "Rtmp/RtmpSession.h"
#include "Rtp/Decoder.h"
#include "Rtp/RtpProcess.h"
#include "Rtsp/RtspSession.h"
#include "Util/File.h"
#include "Util/MD5.h"
#include "Util/SSLBox.h"
#include "Util/logger.h"
#include "Util/util.h"
#include <iostream>
#include <map>
using namespace std;
using namespace toolkit;
using namespace mediakit;
static semaphore sem;
class PsProcess : public MediaSinkInterface, public std::enable_shared_from_this<PsProcess> {
public:
using Ptr = std::shared_ptr<PsProcess>;
PsProcess() {
MediaTuple media_info;
media_info.vhost = DEFAULT_VHOST;
media_info.app = "rtp";
media_info.stream = "000001";
_muxer = std::make_shared<MultiMediaSourceMuxer>(media_info, 0.0f, ProtocolOption());
}
~PsProcess() {
}
bool inputFrame(const Frame::Ptr &frame) override {
if (_muxer) {
_muxer->inputFrame(frame);
int64_t diff = frame->dts() - timeStamp_last;
if (diff > 0 && diff < 500) {
usleep(diff * 1000);
} else {
usleep(1 * 1000);
}
timeStamp_last = frame->dts();
}
return true;
}
bool addTrack(const Track::Ptr &track) override {
if (_muxer) {
return _muxer->addTrack(track);
}
return true;
}
void addTrackCompleted() override {
if (_muxer) {
_muxer->addTrackCompleted();
}
}
void resetTracks() override {
}
virtual void flush() override {}
private:
MultiMediaSourceMuxer::Ptr _muxer;
uint64_t timeStamp = 0;
uint64_t timeStamp_last = 0;
};
static bool loadFile(const char *path, const EventPoller::Ptr &poller) {
FILE *fp = fopen(path, "rb");
if (!fp) {
WarnL << "open eqq failed:" << path;
return false;
}
fseek(fp, 0, SEEK_END);
long lSize = ftell(fp);
uint8_t *text = (uint8_t *)malloc(lSize);
rewind(fp);
fread(text, sizeof(char), lSize, fp);
PsProcess::Ptr ps_process = std::make_shared<PsProcess>();
DecoderImp::Ptr ps_decoder = DecoderImp::createDecoder(DecoderImp::decoder_ps, ps_process.get());
if (ps_decoder) {
ps_decoder->input(text, lSize);
}
WarnL << lSize / 1024 << "KB";
fclose(fp);
return true;
}
int main(int argc, char *argv[]) {
// 设置日志
Logger::Instance().add(std::make_shared<ConsoleChannel>("ConsoleChannel"));
// 启动异步日志线程
Logger::Instance().setWriter(std::make_shared<AsyncLogWriter>());
loadIniConfig((exeDir() + "config.ini").data());
TcpServer::Ptr rtspSrv(new TcpServer());
TcpServer::Ptr rtmpSrv(new TcpServer());
TcpServer::Ptr httpSrv(new TcpServer());
rtspSrv->start<RtspSession>(554); // 默认554
rtmpSrv->start<RtmpSession>(1935); // 默认1935
httpSrv->start<HttpSession>(81); // 默认80
if (argc == 2) {
auto poller = EventPollerPool::Instance().getPoller();
poller->async_first([poller, argv]() {
loadFile(argv[1], poller);
sem.post();
});
sem.wait();
sleep(1);
} else
ErrorL << "parameter error.";
return 0;
}

246
tests/test_rtp_pcap.cpp Normal file
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#include "Common/config.h"
#include "Http/HttpSession.h"
#include "Network/TcpServer.h"
#include "Rtmp/RtmpSession.h"
#include "Rtp/RtpProcess.h"
#include "Rtsp/RtspSession.h"
#include "Util/logger.h"
#include "Util/util.h"
#include <iostream>
#include <map>
#include <pcap.h>
using namespace std;
using namespace toolkit;
using namespace mediakit;
/* 以太网帧头部 */
struct sniff_ethernet {
#define ETHER_ADDR_LEN 6
u_char ether_dhost[ETHER_ADDR_LEN]; /* 目的主机的地址 */
u_char ether_shost[ETHER_ADDR_LEN]; /* 源主机的地址 */
u_short ether_unused;
u_short ether_type; /* IP：0x0800;IPV6:0x86DD; ARP:0x0806;RARP:0x8035 */
};
#define ETHERTYPE_IPV4 (0x0800)
#define ETHERTYPE_IPV6 (0x86DD)
#define ETHERTYPE_ARP (0x0806)
#define ETHERTYPE_RARP (0x8035)
/* IP数据包的头部 */
struct sniff_ip {
#if BYTE_ORDER == LITTLE_ENDIAN
u_int ip_hl : 4, /* 头部长度 */
ip_v : 4; /* 版本号 */
#if BYTE_ORDER == BIG_ENDIAN
u_int ip_v : 4, /* 版本号 */
ip_hl : 4; /* 头部长度 */
#endif
#endif /* not _IP_VHL */
u_char ip_tos; /* 服务的类型 */
u_short ip_len; /* 总长度 */
u_short ip_id; /*包标志号 */
u_char ip_flag;
u_char ip_off; /* 碎片偏移 */
#define IP_RF 0x8000 /* 保留的碎片标志 */
#define IP_DF 0x4000 /* dont fragment flag */
#define IP_MF 0x2000 /* 多碎片标志*/
#define IP_OFFMASK 0x1fff /*分段位 */
u_char ip_ttl; /* 数据包的生存时间 */
u_char ip_p; /* 所使用的协议:1 ICMP;2 IGMP;4 IP;6 TCP;17 UDP;89 OSPF */
u_short ip_sum; /* 校验和 */
struct in_addr ip_src, ip_dst; /* 源地址、目的地址*/
};
#define IPTYPE_ICMP (1)
#define IPTYPE_IGMP (2)
#define IPTYPE_IP (4)
#define IPTYPE_TCP (6)
#define IPTYPE_UDP (17)
#define IPTYPE_OSPF (89)
typedef u_int tcp_seq;
/* TCP 数据包的头部 */
struct sniff_tcp {
u_short th_sport; /* 源端口 */
u_short th_dport; /* 目的端口 */
tcp_seq th_seq; /* 包序号 */
tcp_seq th_ack; /* 确认序号 */
#if BYTE_ORDER == LITTLE_ENDIAN
u_int th_x2 : 4, /* 还没有用到 */
th_off : 4; /* 数据偏移 */
#endif
#if BYTE_ORDER == BIG_ENDIAN
u_int th_off : 4, /* 数据偏移*/
th_x2 : 4; /*还没有用到 */
#endif
u_char th_flags;
#define TH_FIN 0x01
#define TH_SYN 0x02
#define TH_RST 0x04
#define TH_PUSH 0x08
#define TH_ACK 0x10
#define TH_URG 0x20
#define TH_ECE 0x40
#define TH_CWR 0x80
#define TH_FLAGS (TH_FINTH_SYNTH_RSTTH_ACKTH_URGTH_ECETH_CWR)
u_short th_win; /* TCP滑动窗口 */
u_short th_sum; /* 头部校验和 */
u_short th_urp; /* 紧急服务位 */
};
/* UDP header */
struct sniff_udp {
uint16_t sport; /* source port */
uint16_t dport; /* destination port */
uint16_t udp_length;
uint16_t udp_sum; /* checksum */
};
struct rtp_stream {
uint64_t stamp = 0;
uint64_t stamp_last = 0;
std::shared_ptr<RtpProcess> rtp_process;
Socket::Ptr sock;
struct sockaddr_storage addr;
};
static semaphore sem;
unordered_map<uint32_t, rtp_stream> rtp_streams_map;
#if defined(ENABLE_RTPPROXY)
void processRtp(uint32_t stream_id, const char *rtp, int &size, bool is_udp, const EventPoller::Ptr &poller) {
rtp_stream &stream = rtp_streams_map[stream_id];
if (!stream.rtp_process) {
auto process = RtpProcess::createProcess(MediaTuple{DEFAULT_VHOST, kRtpAppName, to_string(stream_id), ""});
stream.rtp_process = process;
struct sockaddr_storage addr;
memset(&addr, 0, sizeof(addr));
addr.ss_family = AF_INET;
auto sock = Socket::createSocket(poller);
stream.sock = sock;
stream.addr = addr;
}
try {
stream.rtp_process->inputRtp(is_udp, stream.sock, rtp, size, (struct sockaddr *)&stream.addr, &stream.stamp);
} catch (std::exception &ex) {
WarnL << "Input rtp failed: " << ex.what();
return ;
}
auto diff = static_cast<int64_t>(stream.stamp - stream.stamp_last);
if (diff > 0 && diff < 500) {
usleep(diff * 1000);
} else {
usleep(1 * 1000);
}
stream.stamp_last = stream.stamp;
rtp = nullptr;
size = 0;
}
#endif // #if defined(ENABLE_RTPPROXY)
static bool loadFile(const char *path, const EventPoller::Ptr &poller) {
char errbuf[PCAP_ERRBUF_SIZE] = {'\0'};
std::shared_ptr<pcap_t> handle(pcap_open_offline(path, errbuf), [](pcap_t *handle) {
sem.post();
if (handle) {
pcap_close(handle);
}
});
if (!handle) {
WarnL << "open file failed:" << path << "error: " << errbuf;
return false;
}
auto total_size = std::make_shared<size_t>(0);
struct pcap_pkthdr header = {0};
while (true) {
const u_char *pkt_buff = pcap_next(handle.get(), &header);
if (!pkt_buff) {
PrintE("pcapng read over.");
break;
}
struct sniff_ethernet *ethernet = (struct sniff_ethernet *)pkt_buff;
int eth_len = sizeof(struct sniff_ethernet); // 以太网头的长度
int ip_len = sizeof(struct sniff_ip); // ip头的长度
int tcp_len = sizeof(struct sniff_tcp); // tcp头的长度
int udp_headr_len = sizeof(struct sniff_udp); // udp头的长度
/*解析网络层 IP头*/
if (ntohs(ethernet->ether_type) == ETHERTYPE_IPV4) { // IPV4
struct sniff_ip *ip = (struct sniff_ip *)(pkt_buff + eth_len);
ip_len = (ip->ip_hl & 0x0f) * 4; // ip头的长度
unsigned char *saddr = (unsigned char *)&ip->ip_src.s_addr; // 网络字节序转换成主机字节序
unsigned char *daddr = (unsigned char *)&ip->ip_dst.s_addr;
/*解析传输层 TCP、UDP、ICMP*/
if (ip->ip_p == IPTYPE_TCP) { // TCP
PrintI("ip->proto:TCP "); // 传输层用的哪一个协议
struct sniff_tcp *tcp = (struct sniff_tcp *)(pkt_buff + eth_len + ip_len);
PrintI("tcp_sport = %u ", tcp->th_sport);
PrintI("tcp_dport = %u ", tcp->th_dport);
for (int i = 0; *(pkt_buff + eth_len + ip_len + tcp_len + i) != '\0'; i++) {
PrintI("%02x ", *(pkt_buff + eth_len + ip_len + tcp_len + i));
}
} else if (ip->ip_p == IPTYPE_UDP) { // UDP
// PrintI("ip->proto:UDP "); // 传输层用的哪一个协议
struct sniff_udp *udp = (struct sniff_udp *)(pkt_buff + eth_len + ip_len);
auto udp_pack_len = ntohs(udp->udp_length);
uint32_t src_ip = ntohl(ip->ip_src.s_addr);
uint32_t dst_ip = ntohl(ip->ip_dst.s_addr);
uint16_t src_port = ntohs(udp->sport);
uint16_t dst_port = ntohs(udp->dport);
uint32_t stream_id = (src_ip << 16) + src_port + (dst_ip << 4) + dst_port;
const char *rtp = reinterpret_cast<const char *>(pkt_buff + eth_len + ip_len + udp_headr_len);
auto rtp_len = udp_pack_len - udp_headr_len;
#if defined(ENABLE_RTPPROXY)
processRtp(stream_id, rtp, rtp_len, true, poller);
#endif // #if defined(ENABLE_RTPPROXY)
} else if (ip->ip_p == IPTYPE_ICMP) { // ICMP
PrintI("ip->proto:CCMP "); // 传输层用的哪一个协议
} else {
PrintI("未识别的传输层协议");
}
} else if (ntohs(ethernet->ether_type) == ETHERTYPE_IPV6) { // IPV6
PrintI("It's IPv6! ");
} else {
PrintI("既不是IPV4也不是IPV6 ");
}
}
return true;
}
int main(int argc, char *argv[]) {
// 设置日志
Logger::Instance().add(std::make_shared<ConsoleChannel>("ConsoleChannel"));
// 启动异步日志线程
Logger::Instance().setWriter(std::make_shared<AsyncLogWriter>());
loadIniConfig((exeDir() + "config.ini").data());
TcpServer::Ptr rtspSrv(new TcpServer());
TcpServer::Ptr rtmpSrv(new TcpServer());
TcpServer::Ptr httpSrv(new TcpServer());
rtspSrv->start<RtspSession>(554); // 默认554
rtmpSrv->start<RtmpSession>(1935); // 默认1935
httpSrv->start<HttpSession>(81); // 默认80
if (argc == 2) {
auto poller = EventPollerPool::Instance().getPoller();
poller->async_first([poller, argv]() {
loadFile(argv[1], poller);
sem.post();
});
sem.wait();
sleep(1);
} else {
ErrorL << "parameter error.";
}
return 0;
}

56
tests/third_party/libpcap/include/bluetooth.h vendored Normal file
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/*
* Copyright (c) 2006 Paolo Abeni (Italy)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* bluetooth data struct
* By Paolo Abeni <paolo.abeni@email.it>
*/
#ifndef lib_pcap_bluetooth_h
#define lib_pcap_bluetooth_h
#include <pcap/pcap-inttypes.h>
/*
* Header prepended libpcap to each bluetooth h4 frame,
* fields are in network byte order
*/
typedef struct _pcap_bluetooth_h4_header {
uint32_t direction; /* if first bit is set direction is incoming */
} pcap_bluetooth_h4_header;
/*
* Header prepended libpcap to each bluetooth linux monitor frame,
* fields are in network byte order
*/
typedef struct _pcap_bluetooth_linux_monitor_header {
uint16_t adapter_id;
uint16_t opcode;
} pcap_bluetooth_linux_monitor_header;
#endif

291
tests/third_party/libpcap/include/bpf.h vendored Normal file
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/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* This code is derived from the Stanford/CMU enet packet filter,
* (net/enet.c) distributed as part of 4.3BSD, and code contributed
* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
* Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)bpf.h 7.1 (Berkeley) 5/7/91
*/
/*
* This is libpcap's cut-down version of bpf.h; it includes only
* the stuff needed for the code generator and the userland BPF
* interpreter, and the libpcap APIs for setting filters, etc..
*
* "pcap-bpf.c" will include the native OS version, as it deals with
* the OS's BPF implementation.
*
* At least two programs found by Google Code Search explicitly includes
* <pcap/bpf.h> (even though <pcap.h>/<pcap/pcap.h> includes it for you),
* so moving that stuff to <pcap/pcap.h> would break the build for some
* programs.
*/
/*
* If we've already included <net/bpf.h>, don't re-define this stuff.
* We assume BSD-style multiple-include protection in <net/bpf.h>,
* which is true of all but the oldest versions of FreeBSD and NetBSD,
* or Tru64 UNIX-style multiple-include protection (or, at least,
* Tru64 UNIX 5.x-style; I don't have earlier versions available to check),
* or AIX-style multiple-include protection (or, at least, AIX 5.x-style;
* I don't have earlier versions available to check), or QNX-style
* multiple-include protection (as per GitHub pull request #394).
*
* We trust that they will define structures and macros and types in
* a fashion that's source-compatible and binary-compatible with our
* definitions.
*
* We do not check for BPF_MAJOR_VERSION, as that's defined by
* <linux/filter.h>, which is directly or indirectly included in some
* programs that also include pcap.h, and <linux/filter.h> doesn't
* define stuff we need. We *do* protect against <linux/filter.h>
* defining various macros for BPF code itself; <linux/filter.h> says
*
* Try and keep these values and structures similar to BSD, especially
* the BPF code definitions which need to match so you can share filters
*
* so we trust that it will define them in a fashion that's source-compatible
* and binary-compatible with our definitions.
*
* This also provides our own multiple-include protection.
*/
#if !defined(_NET_BPF_H_) && !defined(_NET_BPF_H_INCLUDED) && !defined(_BPF_H_) && !defined(_H_BPF) && !defined(lib_pcap_bpf_h)
#define lib_pcap_bpf_h
#include <pcap/funcattrs.h>
#include <pcap/dlt.h>
#ifdef __cplusplus
extern "C" {
#endif
/* BSD style release date */
#define BPF_RELEASE 199606
#ifdef MSDOS /* must be 32-bit */
typedef long bpf_int32;
typedef unsigned long bpf_u_int32;
#else
typedef int bpf_int32;
typedef u_int bpf_u_int32;
#endif
/*
* Alignment macros. BPF_WORDALIGN rounds up to the next
* even multiple of BPF_ALIGNMENT.
*
* Tcpdump's print-pflog.c uses this, so we define it here.
*/
#ifndef __NetBSD__
#define BPF_ALIGNMENT sizeof(bpf_int32)
#else
#define BPF_ALIGNMENT sizeof(long)
#endif
#define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1))
/*
* Structure for "pcap_compile()", "pcap_setfilter()", etc..
*/
struct bpf_program {
u_int bf_len;
struct bpf_insn *bf_insns;
};
/*
* The instruction encodings.
*
* Please inform tcpdump-workers@lists.tcpdump.org if you use any
* of the reserved values, so that we can note that they're used
* (and perhaps implement it in the reference BPF implementation
* and encourage its implementation elsewhere).
*/
/*
* The upper 8 bits of the opcode aren't used. BSD/OS used 0x8000.
*/
/* instruction classes */
#define BPF_CLASS(code) ((code) & 0x07)
#define BPF_LD 0x00
#define BPF_LDX 0x01
#define BPF_ST 0x02
#define BPF_STX 0x03
#define BPF_ALU 0x04
#define BPF_JMP 0x05
#define BPF_RET 0x06
#define BPF_MISC 0x07
/* ld/ldx fields */
#define BPF_SIZE(code) ((code) & 0x18)
#define BPF_W 0x00
#define BPF_H 0x08
#define BPF_B 0x10
/* 0x18 reserved; used by BSD/OS */
#define BPF_MODE(code) ((code) & 0xe0)
#define BPF_IMM 0x00
#define BPF_ABS 0x20
#define BPF_IND 0x40
#define BPF_MEM 0x60
#define BPF_LEN 0x80
#define BPF_MSH 0xa0
/* 0xc0 reserved; used by BSD/OS */
/* 0xe0 reserved; used by BSD/OS */
/* alu/jmp fields */
#define BPF_OP(code) ((code) & 0xf0)
#define BPF_ADD 0x00
#define BPF_SUB 0x10
#define BPF_MUL 0x20
#define BPF_DIV 0x30
#define BPF_OR 0x40
#define BPF_AND 0x50
#define BPF_LSH 0x60
#define BPF_RSH 0x70
#define BPF_NEG 0x80
#define BPF_MOD 0x90
#define BPF_XOR 0xa0
/* 0xb0 reserved */
/* 0xc0 reserved */
/* 0xd0 reserved */
/* 0xe0 reserved */
/* 0xf0 reserved */
#define BPF_JA 0x00
#define BPF_JEQ 0x10
#define BPF_JGT 0x20
#define BPF_JGE 0x30
#define BPF_JSET 0x40
/* 0x50 reserved; used on BSD/OS */
/* 0x60 reserved */
/* 0x70 reserved */
/* 0x80 reserved */
/* 0x90 reserved */
/* 0xa0 reserved */
/* 0xb0 reserved */
/* 0xc0 reserved */
/* 0xd0 reserved */
/* 0xe0 reserved */
/* 0xf0 reserved */
#define BPF_SRC(code) ((code) & 0x08)
#define BPF_K 0x00
#define BPF_X 0x08
/* ret - BPF_K and BPF_X also apply */
#define BPF_RVAL(code) ((code) & 0x18)
#define BPF_A 0x10
/* 0x18 reserved */
/* misc */
#define BPF_MISCOP(code) ((code) & 0xf8)
#define BPF_TAX 0x00
/* 0x08 reserved */
/* 0x10 reserved */
/* 0x18 reserved */
/* #define BPF_COP 0x20 NetBSD "coprocessor" extensions */
/* 0x28 reserved */
/* 0x30 reserved */
/* 0x38 reserved */
/* #define BPF_COPX 0x40 NetBSD "coprocessor" extensions */
/* also used on BSD/OS */
/* 0x48 reserved */
/* 0x50 reserved */
/* 0x58 reserved */
/* 0x60 reserved */
/* 0x68 reserved */
/* 0x70 reserved */
/* 0x78 reserved */
#define BPF_TXA 0x80
/* 0x88 reserved */
/* 0x90 reserved */
/* 0x98 reserved */
/* 0xa0 reserved */
/* 0xa8 reserved */
/* 0xb0 reserved */
/* 0xb8 reserved */
/* 0xc0 reserved; used on BSD/OS */
/* 0xc8 reserved */
/* 0xd0 reserved */
/* 0xd8 reserved */
/* 0xe0 reserved */
/* 0xe8 reserved */
/* 0xf0 reserved */
/* 0xf8 reserved */
/*
* The instruction data structure.
*/
struct bpf_insn {
u_short code;
u_char jt;
u_char jf;
bpf_u_int32 k;
};
/*
* Macros for insn array initializers.
*
* In case somebody's included <linux/filter.h>, or something else that
* gives the kernel's definitions of BPF statements, get rid of its
* definitions, so we can supply ours instead. If some kernel's
* definitions aren't *binary-compatible* with what BPF has had
* since it first sprung from the brows of Van Jacobson and Steve
* McCanne, that kernel should be fixed.
*/
#ifdef BPF_STMT
#undef BPF_STMT
#endif
#define BPF_STMT(code, k) { (u_short)(code), 0, 0, k }
#ifdef BPF_JUMP
#undef BPF_JUMP
#endif
#define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k }
PCAP_AVAILABLE_0_4
PCAP_API u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
PCAP_AVAILABLE_0_6
PCAP_API int bpf_validate(const struct bpf_insn *f, int len);
PCAP_AVAILABLE_0_4
PCAP_API char *bpf_image(const struct bpf_insn *, int);
PCAP_AVAILABLE_0_6
PCAP_API void bpf_dump(const struct bpf_program *, int);
/*
* Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).
*/
#define BPF_MEMWORDS 16
#ifdef __cplusplus
}
#endif
#endif /* !defined(_NET_BPF_H_) && !defined(_BPF_H_) && !defined(_H_BPF) && !defined(lib_pcap_bpf_h) */

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/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* This code is derived from the Stanford/CMU enet packet filter,
* (net/enet.c) distributed as part of 4.3BSD, and code contributed
* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
* Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_can_socketcan_h
#define lib_pcap_can_socketcan_h
#include <pcap/pcap-inttypes.h>
/*
* SocketCAN header for CAN and CAN FD frames, as per
* Documentation/networking/can.rst in the Linux source.
*/
typedef struct {
uint32_t can_id;
uint8_t payload_length;
uint8_t fd_flags;
uint8_t reserved1;
uint8_t reserved2;
} pcap_can_socketcan_hdr;
/* Bits in the fd_flags field */
#define CANFD_BRS 0x01 /* bit rate switch (second bitrate for payload data) */
#define CANFD_ESI 0x02 /* error state indicator of the transmitting node */
#define CANFD_FDF 0x04 /* mark CAN FD for dual use of CAN format */
/*
* SocketCAN header for CAN XL frames, as per Linux's can.h header.
* This is different from pcap_can_socketcan_hdr; the flags field
* overlaps with the payload_length field in pcap_can_socketcan_hdr -
* the payload_length field in a CAN or CAN FD frame never has the
* 0x80 bit set, and the flags field in a CAN XL frame always has
* it set, allowing code reading the frame to determine whether
* it's CAN XL or not.
*/
typedef struct {
uint32_t priority_vcid;
uint8_t flags;
uint8_t sdu_type;
uint16_t payload_length;
uint32_t acceptance_field;
} pcap_can_socketcan_xl_hdr;
/* Bits in the flags field */
#define CANXL_SEC 0x01 /* Simple Extended Context */
#define CANXL_XLF 0x80 /* mark to distinguish CAN XL from CAN/CAN FD frames */
#endif

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/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
/*
* Copyright (c) 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_compiler_tests_h
#define lib_pcap_compiler_tests_h
/*
* This was introduced by Clang:
*
* https://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
*
* in some version (which version?); it has been picked up by GCC 5.0.
*/
#ifndef __has_attribute
/*
* It's a macro, so you can check whether it's defined to check
* whether it's supported.
*
* If it's not, define it to always return 0, so that we move on to
* the fallback checks.
*/
#define __has_attribute(x) 0
#endif
/*
* Note that the C90 spec's "6.8.1 Conditional inclusion" and the
* C99 spec's and C11 spec's "6.10.1 Conditional inclusion" say:
*
* Prior to evaluation, macro invocations in the list of preprocessing
* tokens that will become the controlling constant expression are
* replaced (except for those macro names modified by the defined unary
* operator), just as in normal text. If the token "defined" is
* generated as a result of this replacement process or use of the
* "defined" unary operator does not match one of the two specified
* forms prior to macro replacement, the behavior is undefined.
*
* so you shouldn't use defined() in a #define that's used in #if or
* #elif. Some versions of Clang, for example, will warn about this.
*
* Instead, we check whether the pre-defined macros for particular
* compilers are defined and, if not, define the "is this version XXX
* or a later version of this compiler" macros as 0.
*/
/*
* Check whether this is GCC major.minor or a later release, or some
* compiler that claims to be "just like GCC" of that version or a
* later release.
*/
#if ! defined(__GNUC__)
/* Not GCC and not "just like GCC" */
#define PCAP_IS_AT_LEAST_GNUC_VERSION(major, minor) 0
#else
/* GCC or "just like GCC" */
#define PCAP_IS_AT_LEAST_GNUC_VERSION(major, minor) \
(__GNUC__ > (major) || \
(__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
#endif
/*
* Check whether this is Clang major.minor or a later release.
*/
#if !defined(__clang__)
/* Not Clang */
#define PCAP_IS_AT_LEAST_CLANG_VERSION(major, minor) 0
#else
/* Clang */
#define PCAP_IS_AT_LEAST_CLANG_VERSION(major, minor) \
(__clang_major__ > (major) || \
(__clang_major__ == (major) && __clang_minor__ >= (minor)))
#endif
/*
* Check whether this is Sun C/SunPro C/Oracle Studio major.minor
* or a later release.
*
* The version number in __SUNPRO_C is encoded in hex BCD, with the
* uppermost hex digit being the major version number, the next
* one or two hex digits being the minor version number, and
* the last digit being the patch version.
*
* It represents the *compiler* version, not the product version;
* see
*
* https://sourceforge.net/p/predef/wiki/Compilers/
*
* for a partial mapping, which we assume continues for later
* 12.x product releases.
*/
#if ! defined(__SUNPRO_C)
/* Not Sun/Oracle C */
#define PCAP_IS_AT_LEAST_SUNC_VERSION(major,minor) 0
#else
/* Sun/Oracle C */
#define PCAP_SUNPRO_VERSION_TO_BCD(major, minor) \
(((minor) >= 10) ? \
(((major) << 12) | (((minor)/10) << 8) | (((minor)%10) << 4)) : \
(((major) << 8) | ((minor) << 4)))
#define PCAP_IS_AT_LEAST_SUNC_VERSION(major,minor) \
(__SUNPRO_C >= PCAP_SUNPRO_VERSION_TO_BCD((major), (minor)))
#endif
/*
* Check whether this is IBM XL C major.minor or a later release.
*
* The version number in __xlC__ has the major version in the
* upper 8 bits and the minor version in the lower 8 bits.
* On AIX __xlC__ is always defined, __ibmxl__ becomes defined in XL C 16.1.
* On Linux since XL C 13.1.6 __xlC__ is not defined by default anymore, but
* __ibmxl__ is defined since at least XL C 13.1.1.
*/
#if ! defined(__xlC__) && ! defined(__ibmxl__)
/* Not XL C */
#define PCAP_IS_AT_LEAST_XL_C_VERSION(major,minor) 0
#else
/* XL C */
#if defined(__ibmxl__)
/*
* Later Linux version of XL C; use __ibmxl_version__ to test
* the version.
*/
#define PCAP_IS_AT_LEAST_XL_C_VERSION(major, minor) \
(__ibmxl_version__ > (major) || \
(__ibmxl_version__ == (major) && __ibmxl_release__ >= (minor)))
#else /* __ibmxl__ */
/*
* __ibmxl__ not defined; use __xlC__ to test the version.
*/
#define PCAP_IS_AT_LEAST_XL_C_VERSION(major, minor) \
(__xlC__ >= (((major) << 8) | (minor)))
#endif /* __ibmxl__ */
#endif
/*
* Check whether this is HP aC++/HP C major.minor or a later release.
*
* The version number in __HP_aCC is encoded in zero-padded decimal BCD,
* with the "A." stripped off, the uppermost two decimal digits being
* the major version number, the next two decimal digits being the minor
* version number, and the last two decimal digits being the patch version.
* (Strip off the A., remove the . between the major and minor version
* number, and add two digits of patch.)
*/
#if ! defined(__HP_aCC)
/* Not HP C */
#define PCAP_IS_AT_LEAST_HP_C_VERSION(major,minor) 0
#else
/* HP C */
#define PCAP_IS_AT_LEAST_HP_C_VERSION(major,minor) \
(__HP_aCC >= ((major)*10000 + (minor)*100))
#endif
#endif /* lib_pcap_compiler_tests_h */

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/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
/*
* Copyright (c) 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_funcattrs_h
#define lib_pcap_funcattrs_h
#include <pcap/compiler-tests.h>
/*
* Attributes to apply to functions and their arguments, using various
* compiler-specific extensions.
*/
/*
* PCAP_API_DEF must be used when defining *data* exported from
* libpcap. It can be used when defining *functions* exported
* from libpcap, but it doesn't have to be used there. It
* should not be used in declarations in headers.
*
* PCAP_API must be used when *declaring* data or functions
* exported from libpcap; PCAP_API_DEF won't work on all platforms.
*/
#if defined(_WIN32)
/*
* For Windows:
*
* when building libpcap:
*
* if we're building it as a DLL, we have to declare API
* functions with __declspec(dllexport);
*
* if we're building it as a static library, we don't want
* to do so.
*
* when using libpcap:
*
* if we're using the DLL, calls to its functions are a
* little more efficient if they're declared with
* __declspec(dllimport);
*
* if we're not using the dll, we don't want to declare
* them that way.
*
* So:
*
* if pcap_EXPORTS is defined, we define PCAP_API_DEF as
* __declspec(dllexport);
*
* if PCAP_DLL is defined, we define PCAP_API_DEF as
* __declspec(dllimport);
*
* otherwise, we define PCAP_API_DEF as nothing.
*/
#if defined(pcap_EXPORTS)
/*
* We're compiling libpcap as a DLL, so we should export functions
* in our API.
*/
#define PCAP_API_DEF __declspec(dllexport)
#elif defined(PCAP_DLL)
/*
* We're using libpcap as a DLL, so the calls will be a little more
* efficient if we explicitly import the functions.
*/
#define PCAP_API_DEF __declspec(dllimport)
#else
/*
* Either we're building libpcap as a static library, or we're using
* it as a static library, or we don't know for certain that we're
* using it as a dynamic library, so neither import nor export the
* functions explicitly.
*/
#define PCAP_API_DEF
#endif
#elif defined(MSDOS)
/* XXX - does this need special treatment? */
#define PCAP_API_DEF
#else /* UN*X */
#ifdef pcap_EXPORTS
/*
* We're compiling libpcap as a (dynamic) shared library, so we should
* export functions in our API. The compiler might be configured not
* to export functions from a shared library by default, so we might
* have to explicitly mark functions as exported.
*/
#if PCAP_IS_AT_LEAST_GNUC_VERSION(3,4) \
|| PCAP_IS_AT_LEAST_XL_C_VERSION(12,0)
/*
* GCC 3.4 and later, or some compiler asserting compatibility with
* GCC 3.4 and later, or XL C 13.0 and later, so we have
* __attribute__((visibility()).
*/
#define PCAP_API_DEF __attribute__((visibility("default")))
#elif PCAP_IS_AT_LEAST_SUNC_VERSION(5,5)
/*
* Sun C 5.5 and later, so we have __global.
* (Sun C 5.9 and later also have __attribute__((visibility()),
* but there's no reason to prefer it with Sun C.)
*/
#define PCAP_API_DEF __global
#else
/*
* We don't have anything to say.
*/
#define PCAP_API_DEF
#endif
#else
/*
* We're not building libpcap.
*/
#define PCAP_API_DEF
#endif
#endif /* _WIN32/MSDOS/UN*X */
#define PCAP_API PCAP_API_DEF extern
/*
* Definitions to 1) indicate what version of libpcap first had a given
* API and 2) allow upstream providers whose build environments allow
* APIs to be designated as "first available in this release" to do so
* by appropriately defining them.
*
* On macOS, Apple can tweak this to make various APIs "weakly exported
* symbols" to make it easier for software that's distributed in binary
* form and that uses libpcap to run on multiple macOS versions and use
* new APIs when available. (Yes, such third-party software exists -
* Wireshark provides binary packages for macOS, for example. tcpdump
* doesn't count, as that's provided by Apple, so each release can
* come with a version compiled to use the APIs present in that release.)
*
* We don't tweak it that way ourselves because, if you're building
* and installing libpcap on macOS yourself, the APIs will be available
* no matter what OS version you're installing it on.
*
* For other platforms, we don't define them, leaving it up to
* others to do so based on their OS versions, if appropriate.
*
* We start with libpcap 0.4, as that was the last LBL release, and
* I've never seen earlier releases.
*/
#ifdef __APPLE__
/*
* Apple - insert #include <os/availability.h> here, and replace the two
* #defines below with:
*
* #define PCAP_API_AVAILABLE API_AVAILABLE
*
* and adjust availabilities as necessary, including adding information
* about operating systems other than macOS.
*/
#define PCAP_API_AVAILABLE(...)
#define PCAP_AVAILABLE_0_4 PCAP_API_AVAILABLE(macos(10.0))
#define PCAP_AVAILABLE_0_5 PCAP_API_AVAILABLE(macos(10.0))
#define PCAP_AVAILABLE_0_6 PCAP_API_AVAILABLE(macos(10.1))
#define PCAP_AVAILABLE_0_7 PCAP_API_AVAILABLE(macos(10.4))
#define PCAP_AVAILABLE_0_8 PCAP_API_AVAILABLE(macos(10.4))
#define PCAP_AVAILABLE_0_9 PCAP_API_AVAILABLE(macos(10.5))
#define PCAP_AVAILABLE_1_0 PCAP_API_AVAILABLE(macos(10.6))
/* #define PCAP_AVAILABLE_1_1 no routines added to the API */
#define PCAP_AVAILABLE_1_2 PCAP_API_AVAILABLE(macos(10.9))
/* #define PCAP_AVAILABLE_1_3 no routines added to the API */
/* #define PCAP_AVAILABLE_1_4 no routines added to the API */
#define PCAP_AVAILABLE_1_5 PCAP_API_AVAILABLE(macos(10.10))
/* #define PCAP_AVAILABLE_1_6 no routines added to the API */
#define PCAP_AVAILABLE_1_7 PCAP_API_AVAILABLE(macos(10.12))
#define PCAP_AVAILABLE_1_8 PCAP_API_AVAILABLE(macos(10.13))
#define PCAP_AVAILABLE_1_9 PCAP_API_AVAILABLE(macos(10.13))
/*
* The remote capture APIs are, in 1.9 and 1.10, usually only
* available in the library if the library was built with
* remote capture enabled.
*
* However, macOS Sonoma provides stub versions of those routine,
* which return an error. This means that we need a separate
* availability indicator macro for those routines, so that
* progras built on macOS Sonoma that attempt to use weak
* importing and availability tests to use those routines
* if they're available will get those routines weakly imported,
* so that if they're run on releases prior to Sonoma, they
* won't get an error from dyld about those routines being
* missing in libpcap. (If they don't use run-time availability
* tests, they will, instead, get crashes if they call one of
* those routines, as the addresses of those routines will be
* set to 0 by dyld, meaning the program will dereference a
* null pointer and crash when trying to call them.)
*
* (Not that it's useful to use those routines *anyway*, as they're
* stubs that always fail. The stubs were necessary in order to
* support weak exporting at all.)
*/
#define PCAP_AVAILABLE_1_9_REMOTE PCAP_API_AVAILABLE(macos(14.0))
#define PCAP_AVAILABLE_1_10 PCAP_API_AVAILABLE(macos(12.1))
#define PCAP_AVAILABLE_1_10_REMOTE PCAP_API_AVAILABLE(macos(14.0))
#define PCAP_AVAILABLE_1_11 /* not released yet, so not in macOS yet */
#else /* __APPLE__ */
#define PCAP_AVAILABLE_0_4
#define PCAP_AVAILABLE_0_5
#define PCAP_AVAILABLE_0_6
#define PCAP_AVAILABLE_0_7
#define PCAP_AVAILABLE_0_8
#define PCAP_AVAILABLE_0_9
#define PCAP_AVAILABLE_1_0
/* #define PCAP_AVAILABLE_1_1 no routines added to the API */
#define PCAP_AVAILABLE_1_2
/* #define PCAP_AVAILABLE_1_3 no routines added to the API */
/* #define PCAP_AVAILABLE_1_4 no routines added to the API */
#define PCAP_AVAILABLE_1_5
/* #define PCAP_AVAILABLE_1_6 no routines added to the API */
#define PCAP_AVAILABLE_1_7
#define PCAP_AVAILABLE_1_8
#define PCAP_AVAILABLE_1_9
#define PCAP_AVAILABLE_1_9_REMOTE
#define PCAP_AVAILABLE_1_10
#define PCAP_AVAILABLE_1_10_REMOTE
#define PCAP_AVAILABLE_1_11
#endif /* __APPLE__ */
/*
* PCAP_NORETURN, before a function declaration, means "this function
* never returns". (It must go before the function declaration, e.g.
* "extern PCAP_NORETURN func(...)" rather than after the function
* declaration, as the MSVC version has to go before the declaration.)
*
* PCAP_NORETURN_DEF, before a function *definition*, means "this
* function never returns"; it would be used only for static functions
* that are defined before any use, and thus have no declaration.
* (MSVC doesn't support that; I guess the "decl" in "__declspec"
* means "declaration", and __declspec doesn't work with definitions.)
*/
#if __has_attribute(noreturn) \
|| PCAP_IS_AT_LEAST_GNUC_VERSION(2,5) \
|| PCAP_IS_AT_LEAST_SUNC_VERSION(5,9) \
|| PCAP_IS_AT_LEAST_XL_C_VERSION(7,0) \
|| PCAP_IS_AT_LEAST_HP_C_VERSION(6,10) \
|| __TINYC__
/*
* Compiler with support for __attribute((noreturn)), or GCC 2.5 and
* later, or some compiler asserting compatibility with GCC 2.5 and
* later, or Solaris Studio 12 (Sun C 5.9) and later, or IBM XL C 7.0
* and later (do any earlier versions of XL C support this?), or HP aCC
* A.06.10 and later, or current TinyCC.
*/
#define PCAP_NORETURN __attribute((noreturn))
#define PCAP_NORETURN_DEF __attribute((noreturn))
#elif defined(_MSC_VER)
/*
* MSVC.
*/
#define PCAP_NORETURN __declspec(noreturn)
#define PCAP_NORETURN_DEF
#else
#define PCAP_NORETURN
#define PCAP_NORETURN_DEF
#endif
/*
* PCAP_PRINTFLIKE(x,y), after a function declaration, means "this function
* does printf-style formatting, with the xth argument being the format
* string and the yth argument being the first argument for the format
* string".
*/
#if __has_attribute(__format__) \
|| PCAP_IS_AT_LEAST_GNUC_VERSION(2,3) \
|| PCAP_IS_AT_LEAST_XL_C_VERSION(7,0) \
|| PCAP_IS_AT_LEAST_HP_C_VERSION(6,10)
/*
* Compiler with support for it, or GCC 2.3 and later, or some compiler
* asserting compatibility with GCC 2.3 and later, or IBM XL C 7.0
* and later (do any earlier versions of XL C support this?),
* or HP aCC A.06.10 and later.
*/
#define PCAP_PRINTFLIKE(x,y) __attribute__((__format__(__printf__,x,y)))
#else
#define PCAP_PRINTFLIKE(x,y)
#endif
/*
* PCAP_DEPRECATED(func, msg), after a function declaration, marks the
* function as deprecated.
*
* The argument is a string giving the warning message to use if the
* compiler supports that.
*/
#if __has_attribute(deprecated) \
|| PCAP_IS_AT_LEAST_GNUC_VERSION(4,5) \
|| PCAP_IS_AT_LEAST_SUNC_VERSION(5,13)
/*
* Compiler that supports __has_attribute and __attribute__((deprecated)),
* or GCC 4.5 and later, or Sun/Oracle C 12.4 (Sun C 5.13) and later.
*
* Those support __attribute__((deprecated(msg))) (we assume, perhaps
* incorrectly, that anything that supports __has_attribute() is
* recent enough to support __attribute__((deprecated(msg)))).
*/
#define PCAP_DEPRECATED(msg) __attribute__((deprecated(msg)))
#elif PCAP_IS_AT_LEAST_GNUC_VERSION(3,1)
/*
* GCC 3.1 through 4.4.
*
* Those support __attribute__((deprecated)) but not
* __attribute__((deprecated(msg))).
*/
#define PCAP_DEPRECATED(msg) __attribute__((deprecated))
#elif defined(_MSC_VER) && !defined(BUILDING_PCAP)
/*
* MSVC, and we're not building libpcap itself; it's VS 2015
* and later, so we have __declspec(deprecated(...)).
*
* If we *are* building libpcap, we don't want this, as it'll warn
* us even if we *define* the function.
*/
#define PCAP_DEPRECATED(msg) _declspec(deprecated(msg))
#else
#define PCAP_DEPRECATED(msg)
#endif
/*
* For flagging arguments as format strings in MSVC.
*/
#ifdef _MSC_VER
#include <sal.h>
#define PCAP_FORMAT_STRING(p) _Printf_format_string_ p
#else
#define PCAP_FORMAT_STRING(p) p
#endif
#endif /* lib_pcap_funcattrs_h */

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/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* This code is derived from the Stanford/CMU enet packet filter,
* (net/enet.c) distributed as part of 4.3BSD, and code contributed
* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
* Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define IPH_AF_INET 2 /* Matches Solaris's AF_INET */
#define IPH_AF_INET6 26 /* Matches Solaris's AF_INET6 */
#define IPNET_OUTBOUND 1
#define IPNET_INBOUND 2

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/*
* Copyright (c) 1994, 1996
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_namedb_h
#define lib_pcap_namedb_h
#include <stdio.h> /* FILE */
#include <pcap/funcattrs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* As returned by the pcap_next_etherent()
* XXX this stuff doesn't belong in this interface, but this
* library already must do name to address translation, so
* on systems that don't have support for /etc/ethers, we
* export these hooks since they're already being used by
* some applications (such as tcpdump) and already being
* marked as exported in some OSes offering libpcap (such
* as Debian).
*/
struct pcap_etherent {
u_char addr[6];
char name[122];
};
#ifndef PCAP_ETHERS_FILE
#define PCAP_ETHERS_FILE "/etc/ethers"
#endif
PCAP_AVAILABLE_0_4
PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *);
PCAP_AVAILABLE_0_4
PCAP_API u_char *pcap_ether_hostton(const char*);
PCAP_AVAILABLE_0_4
PCAP_API u_char *pcap_ether_aton(const char *);
PCAP_AVAILABLE_0_4
PCAP_API
PCAP_DEPRECATED("this is not reentrant; use 'pcap_nametoaddrinfo' instead")
bpf_u_int32 **pcap_nametoaddr(const char *);
PCAP_AVAILABLE_0_7
PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);
PCAP_AVAILABLE_0_4
PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *);
PCAP_AVAILABLE_0_4
PCAP_API int pcap_nametoport(const char *, int *, int *);
PCAP_AVAILABLE_0_9
PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *);
PCAP_AVAILABLE_0_4
PCAP_API int pcap_nametoproto(const char *);
PCAP_AVAILABLE_0_4
PCAP_API int pcap_nametoeproto(const char *);
PCAP_AVAILABLE_0_9
PCAP_API int pcap_nametollc(const char *);
/*
* If a protocol is unknown, PROTO_UNDEF is returned.
* Also, pcap_nametoport() returns the protocol along with the port number.
* If there are ambiguous entries in /etc/services (i.e. domain
* can be either tcp or udp) PROTO_UNDEF is returned.
*/
#define PROTO_UNDEF -1
#ifdef __cplusplus
}
#endif
#endif

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/*
* Copyright (c) 2013, Petar Alilovic,
* Faculty of Electrical Engineering and Computing, University of Zagreb
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef lib_pcap_nflog_h
#define lib_pcap_nflog_h
#include <pcap/pcap-inttypes.h>
/*
* Structure of an NFLOG header and TLV parts, as described at
* https://www.tcpdump.org/linktypes/LINKTYPE_NFLOG.html
*
* The NFLOG header is big-endian.
*
* The TLV length and type are in host byte order. The value is either
* big-endian or is an array of bytes in some externally-specified byte
* order (text string, link-layer address, link-layer header, packet
* data, etc.).
*/
typedef struct nflog_hdr {
uint8_t nflog_family; /* address family */
uint8_t nflog_version; /* version */
uint16_t nflog_rid; /* resource ID */
} nflog_hdr_t;
typedef struct nflog_tlv {
uint16_t tlv_length; /* tlv length */
uint16_t tlv_type; /* tlv type */
/* value follows this */
} nflog_tlv_t;
typedef struct nflog_packet_hdr {
uint16_t hw_protocol; /* hw protocol */
uint8_t hook; /* netfilter hook */
uint8_t pad; /* padding to 32 bits */
} nflog_packet_hdr_t;
typedef struct nflog_hwaddr {
uint16_t hw_addrlen; /* address length */
uint16_t pad; /* padding to 32-bit boundary */
uint8_t hw_addr[8]; /* address, up to 8 bytes */
} nflog_hwaddr_t;
typedef struct nflog_timestamp {
uint64_t sec;
uint64_t usec;
} nflog_timestamp_t;
/*
* TLV types.
*/
#define NFULA_PACKET_HDR 1 /* nflog_packet_hdr_t */
#define NFULA_MARK 2 /* packet mark from skbuff */
#define NFULA_TIMESTAMP 3 /* nflog_timestamp_t for skbuff's time stamp */
#define NFULA_IFINDEX_INDEV 4 /* ifindex of device on which packet received (possibly bridge group) */
#define NFULA_IFINDEX_OUTDEV 5 /* ifindex of device on which packet transmitted (possibly bridge group) */
#define NFULA_IFINDEX_PHYSINDEV 6 /* ifindex of physical device on which packet received (not bridge group) */
#define NFULA_IFINDEX_PHYSOUTDEV 7 /* ifindex of physical device on which packet transmitted (not bridge group) */
#define NFULA_HWADDR 8 /* nflog_hwaddr_t for hardware address */
#define NFULA_PAYLOAD 9 /* packet payload */
#define NFULA_PREFIX 10 /* text string - null-terminated, count includes NUL */
#define NFULA_UID 11 /* UID owning socket on which packet was sent/received */
#define NFULA_SEQ 12 /* sequence number of packets on this NFLOG socket */
#define NFULA_SEQ_GLOBAL 13 /* sequence number of packets on all NFLOG sockets */
#define NFULA_GID 14 /* GID owning socket on which packet was sent/received */
#define NFULA_HWTYPE 15 /* ARPHRD_ type of skbuff's device */
#define NFULA_HWHEADER 16 /* skbuff's MAC-layer header */
#define NFULA_HWLEN 17 /* length of skbuff's MAC-layer header */
#endif

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/*
* Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)
* Copyright (c) 2005 - 2009 CACE Technologies, Inc. Davis (California)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Politecnico di Torino nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef pcap_pcap_inttypes_h
#define pcap_pcap_inttypes_h
/*
* If we're compiling with Visual Studio, make sure the C99 integer
* types are defined, by hook or by crook.
*
* XXX - verify that we have at least C99 support on UN*Xes?
*
* What about MinGW or various DOS toolchains? We're currently assuming
* sufficient C99 support there.
*/
#if defined(_MSC_VER)
/*
* Compiler is MSVC.
*/
#if _MSC_VER >= 1800
/*
* VS 2013 or newer; we have <inttypes.h>.
*/
#include <inttypes.h>
#else
/*
* Earlier VS; we have to define this stuff ourselves.
* We don't support building libpcap with earlier versions of VS,
* but SDKs for Npcap have to support building applications using
* earlier versions of VS, so we work around this by defining
* those types ourselves, as some files use them.
*/
typedef unsigned char uint8_t;
typedef signed char int8_t;
typedef unsigned short uint16_t;
typedef signed short int16_t;
typedef unsigned int uint32_t;
typedef signed int int32_t;
#ifdef _MSC_EXTENSIONS
typedef unsigned _int64 uint64_t;
typedef _int64 int64_t;
#else /* _MSC_EXTENSIONS */
typedef unsigned long long uint64_t;
typedef long long int64_t;
#endif
#endif
#else /* defined(_MSC_VER) */
/*
* Not Visual Studio.
* Include <inttypes.h> to get the integer types and PRI[doux]64 values
* defined.
*
* If the compiler is MinGW, we assume we have <inttypes.h> - and
* support for %zu in the formatted printing functions.
*
* If the target is UN*X, we assume we have a C99-or-later development
* environment, and thus have <inttypes.h> - and support for %zu in
* the formatted printing functions.
*
* If the target is MS-DOS, we assume we have <inttypes.h> - and support
* for %zu in the formatted printing functions.
*
* I.e., assume we have <inttypes.h> and that it suffices.
*/
/*
* XXX - somehow make sure we have enough C99 support with other
* compilers and support libraries?
*/
#include <inttypes.h>
#endif /* defined(_MSC_VER) */
#endif /* pcap/pcap-inttypes.h */

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/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* This code is derived from the Stanford/CMU enet packet filter,
* (net/enet.c) distributed as part of 4.3BSD, and code contributed
* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
* Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* For captures on Linux cooked sockets, we construct a fake header
* that includes:
*
* a 2-byte "packet type" which is one of:
*
* LINUX_SLL_HOST packet was sent to us
* LINUX_SLL_BROADCAST packet was broadcast
* LINUX_SLL_MULTICAST packet was multicast
* LINUX_SLL_OTHERHOST packet was sent to somebody else
* LINUX_SLL_OUTGOING packet was sent *by* us;
*
* a 2-byte Ethernet protocol field;
*
* a 2-byte link-layer type;
*
* a 2-byte link-layer address length;
*
* an 8-byte source link-layer address, whose actual length is
* specified by the previous value.
*
* All fields except for the link-layer address are in network byte order.
*
* DO NOT change the layout of this structure, or change any of the
* LINUX_SLL_ values below. If you must change the link-layer header
* for a "cooked" Linux capture, introduce a new DLT_ type (ask
* "tcpdump-workers@lists.tcpdump.org" for one, so that you don't give it
* a value that collides with a value already being used), and use the
* new header in captures of that type, so that programs that can
* handle DLT_LINUX_SLL captures will continue to handle them correctly
* without any change, and so that capture files with different headers
* can be told apart and programs that read them can dissect the
* packets in them.
*/
#ifndef lib_pcap_sll_h
#define lib_pcap_sll_h
#include <pcap/pcap-inttypes.h>
/*
* A DLT_LINUX_SLL fake link-layer header.
*/
#define SLL_HDR_LEN 16 /* total header length */
#define SLL_ADDRLEN 8 /* length of address field */
struct sll_header {
uint16_t sll_pkttype; /* packet type */
uint16_t sll_hatype; /* link-layer address type */
uint16_t sll_halen; /* link-layer address length */
uint8_t sll_addr[SLL_ADDRLEN]; /* link-layer address */
uint16_t sll_protocol; /* protocol */
};
/*
* A DLT_LINUX_SLL2 fake link-layer header.
*/
#define SLL2_HDR_LEN 20 /* total header length */
struct sll2_header {
uint16_t sll2_protocol; /* protocol */
uint16_t sll2_reserved_mbz; /* reserved - must be zero */
uint32_t sll2_if_index; /* 1-based interface index */
uint16_t sll2_hatype; /* link-layer address type */
uint8_t sll2_pkttype; /* packet type */
uint8_t sll2_halen; /* link-layer address length */
uint8_t sll2_addr[SLL_ADDRLEN]; /* link-layer address */
};
/*
* The LINUX_SLL_ values for "sll_pkttype" and LINUX_SLL2_ values for
* "sll2_pkttype"; these correspond to the PACKET_ values on Linux,
* which are defined by a header under include/uapi in the current
* kernel source, and are thus not going to change on Linux. We
* define them here so that they're available even on systems other
* than Linux.
*/
#define LINUX_SLL_HOST 0
#define LINUX_SLL_BROADCAST 1
#define LINUX_SLL_MULTICAST 2
#define LINUX_SLL_OTHERHOST 3
#define LINUX_SLL_OUTGOING 4
/*
* The LINUX_SLL_ values for "sll_protocol" and LINUX_SLL2_ values for
* "sll2_protocol"; these correspond to the ETH_P_ values on Linux, but
* are defined here so that they're available even on systems other than
* Linux. We assume, for now, that the ETH_P_ values won't change in
* Linux; if they do, then:
*
* if we don't translate them in "pcap-linux.c", capture files
* won't necessarily be readable if captured on a system that
* defines ETH_P_ values that don't match these values;
*
* if we do translate them in "pcap-linux.c", that makes life
* unpleasant for the BPF code generator, as the values you test
* for in the kernel aren't the values that you test for when
* reading a capture file, so the fixup code run on BPF programs
* handed to the kernel ends up having to do more work.
*
* Add other values here as necessary, for handling packet types that
* might show up on non-Ethernet, non-802.x networks. (Not all the ones
* in the Linux "if_ether.h" will, I suspect, actually show up in
* captures.)
*/
#define LINUX_SLL_P_802_3 0x0001 /* Novell 802.3 frames without 802.2 LLC header */
#define LINUX_SLL_P_802_2 0x0004 /* 802.2 frames (not D/I/X Ethernet) */
#define LINUX_SLL_P_CAN 0x000C /* CAN frames, with SocketCAN pseudo-headers */
#define LINUX_SLL_P_CANFD 0x000D /* CAN FD frames, with SocketCAN pseudo-headers */
#define LINUX_SLL_P_CANXL 0x000E /* CAN XL frames, with SocketCAN pseudo-headers */
#endif

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/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
/*
* Copyright (c) 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_socket_h
#define lib_pcap_socket_h
/*
* Some minor differences between sockets on various platforms.
* We include whatever sockets are needed for Internet-protocol
* socket access on UN*X and Windows.
*/
#ifdef _WIN32
/* Need windef.h for defines used in winsock2.h under MingW32 */
#ifdef __MINGW32__
#include <windef.h>
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
/*!
* \brief In Winsock, a socket handle is of type SOCKET; in UN*X, it's
* a file descriptor, and therefore a signed integer.
* We define PCAP_SOCKET to be a signed integer on UN*X and a
* SOCKET on Windows, so that it can be used on both platforms.
*
* We used to use SOCKET rather than PCAP_SOCKET, but that collided
* with other software, such as barnyard2, which had their own
* definitions of SOCKET, so we changed it to PCAP_SOCKET.
*
* On Windows, this shouldn't break any APIs, as any code using
* the two active-mode APIs that return a socket handle would
* probably be assigning their return values to a SOCKET, and
* as, on Windows, we're defining PCAP_SOCKET as SOCKET, there
* would be no type clash.
*/
#ifndef PCAP_SOCKET
#define PCAP_SOCKET SOCKET
#endif
/*
* Winsock doesn't have this POSIX type; it's used for the
* tv_usec value of struct timeval.
*/
typedef long suseconds_t;
#else /* _WIN32 */
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h> /* for struct addrinfo/getaddrinfo() */
#include <netinet/in.h> /* for sockaddr_in, in BSD at least */
#include <arpa/inet.h>
/*!
* \brief In Winsock, a socket handle is of type SOCKET; in UN*Xes,
* it's a file descriptor, and therefore a signed integer.
* We define PCAP_SOCKET to be a signed integer on UN*X and a
* SOCKET on Windows, so that it can be used on both platforms.
*
* We used to use SOCKET rather than PCAP_SOCKET, but that collided
* with other software, such as barnyard2, which had their own
* definitions of SOCKET, so we changed it to PCAP_SOCKET.
*
* On UN*Xes, this might break code that uses one of the two
* active-mode APIs that return a socket handle if those programs
* were written to assign the return values of those APIs to a
* SOCKET, as we're no longer defining SOCKET. However, as
* those APIs are only provided if libpcap is built with remote
* capture support - which is not the default - and as they're
* somewhat painful to use, there's probably little if any code
* that needs to compile for UN*X and that uses them. If there
* *is* any such code, it could do
*
* #ifndef PCAP_SOCKET
* #ifdef _WIN32
* #define PCAP_SOCKET SOCKET
* #else
* #defube PCAP_SOCKET int
* #endif
* #endif
*
* and use PCAP_SOCKET.
*/
#ifndef PCAP_SOCKET
#define PCAP_SOCKET int
#endif
/*!
* \brief In Winsock, the error return if socket() fails is INVALID_SOCKET;
* in UN*X, it's -1.
* We define INVALID_SOCKET to be -1 on UN*X, so that it can be used on
* both platforms.
*/
#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif
#endif /* _WIN32 */
#endif /* lib_pcap_socket_h */

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/*
* Copyright (c) 2006 Paolo Abeni (Italy)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Basic USB data struct
* By Paolo Abeni <paolo.abeni@email.it>
*/
#ifndef lib_pcap_usb_h
#define lib_pcap_usb_h
#include <pcap/pcap-inttypes.h>
/*
* possible transfer mode
*/
#define URB_TRANSFER_IN 0x80
#define URB_ISOCHRONOUS 0x0
#define URB_INTERRUPT 0x1
#define URB_CONTROL 0x2
#define URB_BULK 0x3
/*
* possible event type
*/
#define URB_SUBMIT 'S'
#define URB_COMPLETE 'C'
#define URB_ERROR 'E'
/*
* USB setup header as defined in USB specification.
* Appears at the front of each Control S-type packet in DLT_USB captures.
*/
typedef struct _usb_setup {
uint8_t bmRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} pcap_usb_setup;
/*
* Information from the URB for Isochronous transfers.
*/
typedef struct _iso_rec {
int32_t error_count;
int32_t numdesc;
} iso_rec;
/*
* Header prepended by linux kernel to each event.
* Appears at the front of each packet in DLT_USB_LINUX captures.
*/
typedef struct _usb_header {
uint64_t id;
uint8_t event_type;
uint8_t transfer_type;
uint8_t endpoint_number;
uint8_t device_address;
uint16_t bus_id;
char setup_flag;/*if !=0 the urb setup header is not present*/
char data_flag; /*if !=0 no urb data is present*/
int64_t ts_sec;
int32_t ts_usec;
int32_t status;
uint32_t urb_len;
uint32_t data_len; /* amount of urb data really present in this event*/
pcap_usb_setup setup;
} pcap_usb_header;
/*
* Header prepended by linux kernel to each event for the 2.6.31
* and later kernels; for the 2.6.21 through 2.6.30 kernels, the
* "iso_rec" information, and the fields starting with "interval"
* are zeroed-out padding fields.
*
* Appears at the front of each packet in DLT_USB_LINUX_MMAPPED captures.
*/
typedef struct _usb_header_mmapped {
uint64_t id;
uint8_t event_type;
uint8_t transfer_type;
uint8_t endpoint_number;
uint8_t device_address;
uint16_t bus_id;
char setup_flag;/*if !=0 the urb setup header is not present*/
char data_flag; /*if !=0 no urb data is present*/
int64_t ts_sec;
int32_t ts_usec;
int32_t status;
uint32_t urb_len;
uint32_t data_len; /* amount of urb data really present in this event*/
union {
pcap_usb_setup setup;
iso_rec iso;
} s;
int32_t interval; /* for Interrupt and Isochronous events */
int32_t start_frame; /* for Isochronous events */
uint32_t xfer_flags; /* copy of URB's transfer flags */
uint32_t ndesc; /* number of isochronous descriptors */
} pcap_usb_header_mmapped;
/*
* Maximum number of descriptors supported.
* It's currently 128 in the Linux binary USB monitoring code.
*/
#define USB_MAXDESC 128
/*
* Isochronous descriptors; for isochronous transfers there might be
* one or more of these at the beginning of the packet data. The
* number of descriptors is given by the "ndesc" field in the header;
* as indicated, in older kernels that don't put the descriptors at
* the beginning of the packet, that field is zeroed out, so that field
* can be trusted even in captures from older kernels.
*/
typedef struct _usb_isodesc {
int32_t status;
uint32_t offset;
uint32_t len;
uint8_t pad[4];
} usb_isodesc;
#endif

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/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lib_pcap_vlan_h
#define lib_pcap_vlan_h
#include <pcap/pcap-inttypes.h>
struct vlan_tag {
uint16_t vlan_tpid; /* ETH_P_8021Q */
uint16_t vlan_tci; /* VLAN TCI */
};
#define VLAN_TAG_LEN 4
#endif

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