add missed file

This commit is contained in:
wangyu 2020-07-15 17:23:17 -04:00
parent 3fc23f5cf6
commit 606bbec351
2 changed files with 252 additions and 0 deletions

125
pcap_wrapper.cpp Normal file
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#include <windows.h>
#include <pcap_wrapper.h>
#include <assert.h>
#include <stdio.h>
int (*pcap_loop )(pcap_t *, int, pcap_handler, u_char *);
int (*pcap_breakloop )(pcap_t *);
pcap_t* (*pcap_create)(const char *, char *);
int (*pcap_set_snaplen) (pcap_t *, int)=0;
int (*pcap_set_promisc) (pcap_t *, int)=0;
int (*pcap_can_set_rfmon) (pcap_t *)=0;
int (*pcap_set_rfmon )(pcap_t *, int)=0;
int (*pcap_set_timeout)(pcap_t *, int)=0;
int (*pcap_set_buffer_size)(pcap_t *, int)=0;
int (*pcap_activate)(pcap_t *)=0;
int (*pcap_setfilter)(pcap_t *, struct bpf_program *)=0;
int (*pcap_setdirection)(pcap_t *, pcap_direction_t)=0;
int (*pcap_datalink)(pcap_t *)=0;
void (*pcap_freecode)(struct bpf_program *)=0;
int (*pcap_compile)(pcap_t *, struct bpf_program *, const char *, int,
bpf_u_int32)=0;
char* (*pcap_geterr)(pcap_t *)=0;
int (*pcap_sendpacket)(pcap_t *, const u_char *, int)=0;
char* (*pcap_lookupdev)(char *)=0;
int (*pcap_findalldevs)(pcap_if_t **, char *)=0;
struct init_pcap_t
{
init_pcap_t()
{
init_pcap();
}
}do_it;
static void init_npcap_dll_path()
{
BOOL(WINAPI *SetDllDirectory)(LPCTSTR);
char sysdir_name[512];
int len;
SetDllDirectory = (BOOL(WINAPI *)(LPCTSTR)) GetProcAddress(GetModuleHandle("kernel32.dll"), "SetDllDirectoryA");
if (SetDllDirectory == NULL) {
printf("Error in SetDllDirectory\n");
}
else {
len = GetSystemDirectory(sysdir_name, 480); // be safe
if (!len)
printf("Error in GetSystemDirectory (%d)\n", (int)GetLastError());
strcat(sysdir_name, "\\Npcap");
if (SetDllDirectory(sysdir_name) == 0)
printf("Error in SetDllDirectory(\"System32\\Npcap\")\n");
}
}
#define EXPORT_FUN(XXX) do{ XXX= (__typeof__(XXX)) GetProcAddress(wpcap, #XXX); }while(0)
int init_pcap()
{
HMODULE wpcap=LoadLibrary("wpcap.dll");
if(wpcap!=0)
{
printf("using system32/wpcap.dll\n");
}
else
{
init_npcap_dll_path();
//SetDllDirectory("C:\\Windows\\System32\\Npcap\\");
wpcap=LoadLibrary("wpcap.dll");
if(wpcap!=0)
printf("using system32/npcap/wpcap.dll\n");
}
if(wpcap==0)
{
printf("cant not open wpcap.dll, make sure winpcap/npcap is installed\n");
exit(-1);
}
assert(wpcap!=0);
EXPORT_FUN(pcap_loop);
EXPORT_FUN(pcap_breakloop);
EXPORT_FUN(pcap_create);
EXPORT_FUN(pcap_set_snaplen);
EXPORT_FUN(pcap_set_promisc);
EXPORT_FUN(pcap_set_timeout);
EXPORT_FUN(pcap_activate);
EXPORT_FUN(pcap_setfilter);
EXPORT_FUN(pcap_setdirection);
EXPORT_FUN(pcap_datalink);
EXPORT_FUN(pcap_freecode);
EXPORT_FUN(pcap_compile);
EXPORT_FUN(pcap_geterr);
EXPORT_FUN(pcap_sendpacket);
EXPORT_FUN(pcap_lookupdev);
EXPORT_FUN(pcap_findalldevs);
/*
pcap_loop = (__typeof__(pcap_loop))GetProcAddress(wpcap, "pcap_loop");
pcap_create = (__typeof__(pcap_create))GetProcAddress(wpcap, "pcap_create");
pcap_set_snaplen = (__typeof__(pcap_set_snaplen))GetProcAddress(wpcap, "pcap_set_snaplen");
pcap_set_promisc = (__typeof__(pcap_set_promisc))GetProcAddress(wpcap, "pcap_set_promisc");
pcap_set_timeout = (__typeof__(pcap_set_timeout))GetProcAddress(wpcap, "pcap_set_timeout");
pcap_activate = (__typeof__(pcap_activate))GetProcAddress(wpcap, "pcap_activate");
pcap_setfilter = (__typeof__(pcap_setfilter))GetProcAddress(wpcap, "pcap_setfilter");
pcap_setdirection = (__typeof__(pcap_setdirection))GetProcAddress(wpcap, "pcap_setdirection");
pcap_datalink = (__typeof__(pcap_datalink))GetProcAddress(wpcap, "pcap_datalink");
pcap_freecode = (__typeof__(pcap_freecode))GetProcAddress(wpcap, "pcap_freecode");
pcap_compile = (__typeof__(pcap_compile))GetProcAddress(wpcap, "pcap_compile");
pcap_geterr = (__typeof__(pcap_geterr))GetProcAddress(wpcap, "pcap_geterr");
pcap_sendpacket = (__typeof__(pcap_sendpacket))GetProcAddress(wpcap, "pcap_sendpacket");
pcap_lookupdev = (__typeof__(pcap_lookupdev))GetProcAddress(wpcap, "pcap_lookupdev");
pcap_findalldevs = (__typeof__(pcap_findalldevs))GetProcAddress(wpcap, "pcap_findalldevs");
//pcap_loop = (__typeof__(pcap_loop))GetProcAddress(wpcap, "pcap_loop");
//pcap_loop = (__typeof__(pcap_loop))GetProcAddress(wpcap, "pcap_loop");
//pcap_loop = (__typeof__(pcap_loop))GetProcAddress(wpcap, "pcap_loop");
*/
return 0;
}

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pcap_wrapper.h Normal file
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#pragma once
//#ifdef __cplusplus
//extern "C" {
//#endif
//#include <sys/time.h>
//#include <stdint.h>
struct bpf_program
{
char a[2000];
};
struct pcap_t
{
char a[2000];
};
typedef unsigned int bpf_u_int32;
typedef struct my_timeval {
int tv_sec;
int tv_usec;
} my_timeval;
struct pcap_pkthdr {
struct my_timeval ts; /* time stamp */
bpf_u_int32 caplen; /* length of portion present */
bpf_u_int32 len; /* length this packet (off wire) */
};
typedef enum {
PCAP_D_INOUT = 0,
PCAP_D_IN,
PCAP_D_OUT
} pcap_direction_t;
struct pcap_addr {
struct pcap_addr *next;
struct sockaddr *addr; /* address */
struct sockaddr *netmask; /* netmask for that address */
struct sockaddr *broadaddr; /* broadcast address for that address */
struct sockaddr *dstaddr; /* P2P destination address for that address */
};
struct pcap_if {
struct pcap_if *next;
char *name; /* name to hand to "pcap_open_live()" */
char *description; /* textual description of interface, or NULL */
struct pcap_addr *addresses;
bpf_u_int32 flags; /* PCAP_IF_ interface flags */
};
typedef struct pcap_if pcap_if_t;
typedef struct pcap_addr pcap_addr_t;
typedef unsigned char u_char;
#define PCAP_ERRBUF_SIZE 256
#define DLT_NULL 0 /* BSD loopback encapsulation */
#define DLT_EN10MB 1 /* Ethernet (10Mb) */
#define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */
#define DLT_AX25 3 /* Amateur Radio AX.25 */
#define DLT_PRONET 4 /* Proteon ProNET Token Ring */
#define DLT_CHAOS 5 /* Chaos */
#define DLT_IEEE802 6 /* 802.5 Token Ring */
#define DLT_ARCNET 7 /* ARCNET, with BSD-style header */
#define DLT_SLIP 8 /* Serial Line IP */
#define DLT_PPP 9 /* Point-to-point Protocol */
#define DLT_FDDI 10 /* FDDI */
#define DLT_LINUX_SLL 113
#define PCAP_NETMASK_UNKNOWN 0xffffffff
typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern int (*pcap_loop )(pcap_t *, int, pcap_handler, u_char *);
extern int (*pcap_breakloop )(pcap_t *);
extern pcap_t* (*pcap_create)(const char *, char *);
extern int (*pcap_set_snaplen) (pcap_t *, int);
extern int (*pcap_set_promisc) (pcap_t *, int);
extern int (*pcap_can_set_rfmon) (pcap_t *);
extern int (*pcap_set_rfmon )(pcap_t *, int);
extern int (*pcap_set_timeout)(pcap_t *, int);
extern int (*pcap_set_buffer_size)(pcap_t *, int);
extern int (*pcap_activate)(pcap_t *);
extern int (*pcap_setfilter)(pcap_t *, struct bpf_program *);
extern int (*pcap_setdirection)(pcap_t *, pcap_direction_t);
extern int (*pcap_datalink)(pcap_t *);
extern void (*pcap_freecode)(struct bpf_program *);
extern int (*pcap_compile)(pcap_t *, struct bpf_program *, const char *, int,
bpf_u_int32);
extern char* (*pcap_geterr)(pcap_t *);
extern int (*pcap_sendpacket)(pcap_t *, const u_char *, int);
extern char* (*pcap_lookupdev)(char *);
extern int (*pcap_findalldevs)(pcap_if_t **, char *);
inline int pcap_set_immediate_mode(pcap_t *,int)
{
return 0;
}
//#ifdef __cplusplus
//}
//#endif
int init_pcap();