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-rw-r--r--openwrt/package/pipacs/src/pipacs.c589
1 files changed, 589 insertions, 0 deletions
diff --git a/openwrt/package/pipacs/src/pipacs.c b/openwrt/package/pipacs/src/pipacs.c
new file mode 100644
index 000000000..4087cd329
--- /dev/null
+++ b/openwrt/package/pipacs/src/pipacs.c
@@ -0,0 +1,589 @@
+// http://www.phj.hu/freesoft.asp
+#include <stdio.h>
+#include <stdlib.h>
+#include "parser.h"
+
+#ifndef LINUX
+#include <mstcpip.h>
+#include <ws2tcpip.h>
+#else
+#include <termios.h>
+struct promisc_device
+{
+ char name[16]; /* name (e.g. eth0) */
+
+ int reset; /* do we have to reset it on exit ? */
+ struct ifreq oldifr; /* old settings */
+
+ struct promisc_device *next;
+};
+
+#endif
+
+DWORD dwIoControlCode=SIO_RCVALL;
+DWORD dwProtocol=IPPROTO_IP, dwInterface=0;
+
+#define MAXVER 2
+#define MINVER 6
+SOCKET s;
+
+//
+// Filters (Globals)
+//
+unsigned int uiSourceAddr=0, uiDestAddr=0, uiXAddr=0;
+unsigned short usSourcePort = 0, usDestPort = 0, usXPort = 0;
+unsigned short usSourceNet = 32, usDestNet = 32, usXNet = 32;
+unsigned long ulDestNet=0xffffffff, ulSourceNet=0xffffffff, ulXNet=0xffffffff;
+BOOL bFilter=FALSE;
+int iline=25;
+char myipname[64];
+char pattern[1024];
+int justheader=0;
+int gre=0;
+int sortbysize,fromip,toip;
+int skipvlan=0;
+
+extern char filename[128];
+
+extern char intlist[128];
+
+#ifndef LINUX
+void PrintInterfaceList( void );
+int GetInterface(SOCKET , SOCKADDR_IN *, int );
+#endif
+extern int InitIPAcc( void );
+extern int CloseIPAcc( void );
+extern int iCycle;
+extern int iScreen;
+extern int iFile;
+extern int iDetail;
+extern int iRun;
+extern long lNum;
+extern FILE *f;
+extern int iProto;
+extern int iSum;
+extern char execname[];
+extern int mostird;
+extern int iLnxplus;
+
+int set_raw_mode(void)
+{
+ int fd = STDIN_FILENO;
+ struct termios t;
+
+ if (tcgetattr(fd, &t) < 0) { perror("tcgetattr"); return -1; }
+ t.c_lflag &= ~ICANON;
+ if (tcsetattr(fd, TCSANOW, &t) < 0) { perror("tcsetattr"); return -1; }
+ setbuf(stdin, NULL);
+ return 0;
+}//
+// Function: usage
+//
+// Description:
+// Prints usage information.
+//
+char *author = "phj";
+
+void usage(char *progname)
+{
+ printf(" usage: %s options\n where options:\n", progname);
+ printf(" [-c:sec] Dump cycle in sec (10)\n");
+ printf(" [-f:file[-e:program]] Results into a file [and exec program](-)\n");
+ printf(" [-n:db] Execute just db cycle (0)\n");
+ printf(" [-l:lineno] Print lineno lines of hosts(25)\n");
+ printf(" [-k] Sort result by packet count (size)\n");
+ printf(" [-1] Ignore source IP (don't ignore)\n");
+ printf(" [-2] Ignore destination IP (don't ignore)\n");
+ printf(" [-h] Print just the header(use -a!)\n");
+ printf(" [-a] Print packet info&data (-)\n");
+ printf(" [-p] Print just summary info (-)\n");
+ printf(" Otherwise print sum&ip pairs\n");
+//#ifndef LINUX
+ printf(" [-t:[tcp|udp|icmp|....|number]] Filter on IP protocoll (ALL)\n");
+//#endif
+ printf(" [-g] Make GRE encapsulation trasparent (-)\n");
+ printf(" [-v] Skip VLAN headers (-)\n");
+ printf(" [-sa:IP[/Net]] Filter on source address (-)/net\n");
+ printf(" [-sp:Port] Filter on source port (-)\n");
+ printf(" [-da:IP[/Net]] Filter on dest address/net (-)\n");
+ printf(" [-dp:Port] Filter on dest port(-)\n");
+ printf(" [-xa:IP[/Net]] Filter on src|dest address/net (-)\n");
+ printf(" [-xp:Port] Filter on src|dest port (-)\n");
+ printf(" [-pa:pattern] String match (0), last param!!!\n");
+#ifndef LINUX
+ printf(" [-i:int] Capture on this interface (0)\n");
+ printf(" Available interfaces:\n");
+ PrintInterfaceList();
+#else
+ printf(" [-i:int[,int]] Capture on this interface (eth0)\n");
+#endif
+ printf(" Filtering rules: t && (sa|da|xa) && (sp|dp|xp)");
+ printf("\nVer. %d.%d (c):2000-2006, P l¢czi-Horv th J nos\n",MAXVER,MINVER);
+#ifndef LINUX
+ WSACleanup();
+ ExitProcess(-1);
+#else
+ exit(5);
+#endif
+}
+
+//
+// Function: ValidateArgs
+//
+// Description:
+// This function parses the command line arguments and
+// sets global variables to indicate how the app should act.
+//
+void ValidateArgs(int argc, char **argv)
+{
+ int i,j;
+ char *ptr;
+
+ sortbysize=1; fromip=1; toip=1;
+
+ if (argc <2) { usage(argv[0]); return; }
+ if (*(author+2) != 'j') { usage(argv[0]); return; }
+ for(i=1; i < argc ;i++) {
+ if ((argv[i][0] == '-') || (argv[i][0] == '/')) {
+ switch (tolower(argv[i][1])) {
+ case 't': // traffic type
+ ptr = &argv[i][2];
+ while (*++ptr) *ptr = toupper(*ptr);
+ ptr = &argv[i][3];
+ for ( j=0;j<134;j++) {
+ if (!strcmp(ptr, szProto[j])) {
+// dwIoControlCode = SIO_RCVALL;
+#ifdef LINUX
+ dwProtocol = j;
+#endif
+ iProto=j;
+ break;
+ }
+ }
+ if ((j>133) && atoi(&argv[i][3])) {
+// dwIoControlCode = SIO_RCVALL;
+#ifdef LINUX
+ dwProtocol = atoi(&argv[i][3]);
+#endif
+ iProto=atoi(&argv[i][3]);
+ } else if (j>133) usage(argv[0]);
+ break;
+ case 'i': // interface number
+#ifndef LINUX
+ dwInterface = atoi(&argv[i][3]);
+#else
+ strcpy(intlist,&argv[i][3]);
+ ptr=strchr(intlist,' ');
+ if (ptr) *ptr=0;
+#endif
+ break;
+ case 'g': // gre
+ gre=1;
+ break;
+ case 'c': // cycle time
+ iCycle = atoi(&argv[i][3]);
+ break;
+ case 'a': // cycle time
+ iDetail = 1;
+ break;
+ case 'h': // cycle time
+ iDetail = justheader = 1;
+ break;
+ case 'n': // just n cycle
+ lNum = atol(&argv[i][3]);
+ break;
+ case 'l': // lineno lines
+ iline = atoi(&argv[i][3]);
+ break;
+ case 'p': // just summary
+ if ((tolower(argv[i][2]) == 'a')) {
+ strcpy(pattern,&argv[i][4]); printf("\n Pattern: \'%s",&argv[i][4]);
+ while (++i<argc) { strcat(pattern," "); strcat(pattern,&argv[i][0]); printf(" %s",argv[i]); }
+ printf("\'\n");
+ } else iSum=1;
+ break;
+ case 'f': // filename to write
+ strcpy(filename,&argv[i][3]);
+ iFile=1; //iScreen=0;
+ break;
+ case 'e': // execname
+ strcpy(execname,&argv[i][3]);
+ break;
+ case 'k': // sor by count
+ sortbysize = 0;
+ break;
+ case '1': // ignore src
+ fromip = 0;
+ break;
+ case '2': // ignore dst
+ toip = 0;
+ break;
+ case 'v': // sor by count
+ skipvlan = 4;
+ if ((tolower(argv[i][2]) == ':')) {
+ skipvlan=atoi(&argv[i][3]);
+ }
+ break;
+ case 's': // Filter on source ip or port
+ if (tolower(argv[i][2]) == 'a') {
+ ptr=strchr(&argv[i][4],'/');
+ if (ptr) { usSourceNet=atoi(ptr+1); *ptr=0;}
+ uiSourceAddr = ntohl(inet_addr(&argv[i][4]));
+ } else if (tolower(argv[i][2]) == 'p')
+ usSourcePort = (unsigned short)atoi(&argv[i][4]);
+ else
+ usage(argv[0]);
+ bFilter = TRUE;
+ break;
+ case 'd': // Filter on dest ip or port
+ if (tolower(argv[i][2]) == 'a') {
+ ptr=strchr(&argv[i][4],'/');
+ if (ptr) { usDestNet=atoi(ptr+1); *ptr=0; }
+ uiDestAddr = ntohl(inet_addr(&argv[i][4]));
+ } else if (tolower(argv[i][2]) == 'p')
+ usDestPort = (unsigned short)atoi(&argv[i][4]);
+ else
+ usage(argv[0]);
+ bFilter = TRUE;
+ break;
+ case 'x': // Filter on source or dest ip or port
+ if (tolower(argv[i][2]) == 'a') {
+ ptr=strchr(&argv[i][4],'/');
+ if (ptr) { usXNet=atoi(ptr+1); *ptr=0; }
+ uiXAddr = ntohl(inet_addr(&argv[i][4]));
+ } else if (tolower(argv[i][2]) == 'p')
+ usXPort = (unsigned short)atoi(&argv[i][4]);
+ else
+ usage(argv[0]);
+ bFilter = TRUE;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else usage(argv[0]);
+ }
+ iLnxplus+=skipvlan;
+ return;
+}
+
+#ifndef LINUX
+//
+// Function: PrintInterfaceList
+//
+// Description:
+// This function prints all local IP interfaces.
+//
+void PrintInterfaceList()
+{
+ SOCKET_ADDRESS_LIST *slist=NULL;
+ SOCKET s;
+ char buf[2048];
+ DWORD dwBytesRet;
+ int ret,
+ i;
+
+ s = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
+ if (s == SOCKET_ERROR) {
+ printf("socket() failed: %d\n", WSAGetLastError());
+ return;
+ }
+ ret = WSAIoctl(s, SIO_ADDRESS_LIST_QUERY, NULL, 0, buf, 2048,&dwBytesRet, NULL, NULL);
+ if (ret == SOCKET_ERROR){
+ printf("WSAIoctl(SIO_ADDRESS_LIST_QUERY) failed: %d\n",WSAGetLastError());
+ return;
+ }
+ slist = (SOCKET_ADDRESS_LIST *)buf;
+ for(i=0; i < slist->iAddressCount ;i++) {
+ printf(" %-2d ........ [%s]\n", i,
+ inet_ntoa(((SOCKADDR_IN *)slist->Address[i].lpSockaddr)->sin_addr));
+ }
+ closesocket(s);
+ return;
+}
+
+//
+// Function: GetInterface
+//
+// Description:
+// This function retrieves a zero based index and returns
+// the IP interface corresponding to that.
+//
+int GetInterface(SOCKET s, SOCKADDR_IN *ifx, int num)
+{
+ SOCKET_ADDRESS_LIST *slist=NULL;
+ char buf[2048];
+ DWORD dwBytesRet;
+ int ret;
+
+ ret = WSAIoctl(s, SIO_ADDRESS_LIST_QUERY, NULL, 0, buf, 2048,&dwBytesRet, NULL, NULL);
+ if (ret == SOCKET_ERROR) {
+ printf("WSAIoctl(SIO_ADDRESS_LIST_QUERY) failed: %d\n",WSAGetLastError());
+ return -1;
+ }
+ slist = (SOCKET_ADDRESS_LIST *)buf;
+ if (num >= slist->iAddressCount) return -1;
+ ifx->sin_addr.s_addr = ((SOCKADDR_IN *)slist->Address[num].lpSockaddr)->sin_addr.s_addr;
+ if (*author != 'p') return -1;
+ return 0;
+}
+#endif
+#ifdef LINUX
+struct promisc_device *prom;
+
+void init_capture( void )
+/*
+ * 1) Open our capture socket
+ * 2) Set all the promisc devices to promiscous mode
+ */
+{
+ struct ifreq ifr;
+ struct promisc_device *p,*pp;
+ struct protoent *pr;
+ char *p1,*p2;
+
+ if ((s = socket (AF_INET, SOCK_PACKET, htons (ETH_P_ALL))) < 0)
+ {
+ printf(" can't get socket: \n");
+ exit(1);
+ }
+ strcpy(myipname,intlist);
+ p1=intlist; p=NULL;
+ while (p1) {
+ pp=p;
+ p = malloc(sizeof(struct promisc_device));
+ if (pp) pp->next=p; else prom=p;
+ if ( (p2=strchr(p1,','))) *p2++=0;
+ strcpy(&p->name,p1); p->next=NULL;
+ printf(" %s",p->name); fflush(stdout);
+ p1=p2;
+// while(p!=NULL) {
+ strcpy (p -> oldifr.ifr_name, p -> name);
+
+ if (ioctl (s, SIOCGIFFLAGS, &(p -> oldifr)) < 0) {
+ printf(" can't get flags: \n");
+ exit(2);
+ }
+ p -> reset = 1;
+ ifr = p -> oldifr;
+ if (ifr.ifr_flags & IFF_PROMISC) printf(" already promisc! \n");
+ ifr.ifr_flags |= IFF_PROMISC;
+ if (ioctl (s, SIOCSIFFLAGS, &ifr) < 0) {
+ printf(" can't set flags: \n");
+ exit(3);
+ }
+// p = p -> next;
+ }
+}
+
+void exit_capture(void)
+{
+ struct promisc_device *p;
+
+ /* do we have to check (capture_sd >= 0) ? */
+
+ p = prom;
+
+ while(p != NULL) {
+ if (ioctl (s, SIOCSIFFLAGS, &(p -> oldifr)) < 0) {
+ printf("can't reset flags: \n");
+ }
+
+ p = p -> next;
+ }
+
+ close (s);
+}
+#endif
+//
+// Function: main
+//
+int main(int argc, char **argv) {
+ WSADATA wsd;
+ SOCKADDR_IN if0;
+ int ret,count;
+ unsigned int optval;
+ DWORD dwBytesRet,
+ dwFlags,
+ nproc;
+ char rcvbuf[MAX_IP_SIZE];
+ WSABUF wbuf;
+ unsigned long i;
+#ifndef LINUX
+ // Load Winsock
+ //
+ if (WSAStartup(MAKEWORD(2,2), &wsd) != 0) {
+ printf(" WSAStartup() failed: %d\n", GetLastError());
+ return -1;
+ }
+#else
+ SOCKADDR ssaddr;
+ struct promisc_device *p;
+ fd_set ready;
+ struct timeval tv;
+#endif
+ char Key;
+ int status;
+ FILE *input;
+// Parse the command line
+//
+ strcpy(intlist,"eth0");
+ for(i=100;i<255;i++) szProto[i]="?!?";
+ szProto[103]="PIM";
+ szProto[108]="IPCOMP";
+ szProto[112]="VRRP";
+ szProto[115]="L2TP";
+ szProto[124]="ISIS";
+ szProto[132]="SCTP";
+ szProto[133]="FC";
+ *execname=0;
+ ValidateArgs(argc, argv);
+ if (bFilter) {
+ i=uiSourceAddr;
+ if ( i || usSourcePort)
+ printf(" Source: %03d.%03d.%03d.%03d/%d:%d\n",(i&0xff000000)>>24,(i&0x00ff0000)>>16,(i&0x0000ff00)>>8,i&0xff,uiSourceAddr?usSourceNet:0, usSourcePort);
+ i=uiDestAddr;
+ if ( i || usDestPort)
+ printf(" Dest. : %03d.%03d.%03d.%03d/%d:%d\n",(i&0xff000000)>>24,(i&0x00ff0000)>>16,(i&0x0000ff00)>>8,i&0xff,uiDestAddr?usDestNet:0, usDestPort);
+ i=uiXAddr;
+ if ( i || usXPort)
+ printf(" IP. : %03d.%03d.%03d.%03d/%d:%d\n",(i&0xff000000)>>24,(i&0x00ff0000)>>16,(i&0x0000ff00)>>8,i&0xff,uiXAddr?usXNet:0, usXPort);
+ }
+ if (iFile) printf(" To file : %s\n",filename);
+ if (iProto) printf(" Protocol: %s (%d)\n",szProto[iProto],iProto);
+ // Create a raw socket for receiving IP datagrams
+ //
+#ifndef LINUX
+ s = WSASocket(AF_INET, SOCK_RAW, dwProtocol, NULL, 0, WSA_FLAG_OVERLAPPED);
+ if (s == INVALID_SOCKET)
+ {
+ printf("WSASocket() failed: %d\n", WSAGetLastError());
+ return -1;
+ }
+ // Get an interface to read IP packets on
+ //
+ memset(&if0,0,sizeof(if0));
+ if0.sin_family = AF_INET;
+ if0.sin_port = htons(0);
+ if (GetInterface(s, &if0, dwInterface) != 0)
+ {
+ printf("Unable to obtain an interface\n");
+ return -1;
+ }
+ sprintf(myipname,"%-16s",inet_ntoa(if0.sin_addr));
+#else
+ printf("starting capture ...."); fflush(stdout);
+ init_capture();
+ printf(" capture started ....\n"); fflush(stdout);
+#endif
+ printf(" Binding to IF: %s\n", myipname);
+#ifndef LINUX
+//
+// This socket MUST be bound before calling the ioctl
+//
+
+ if (bind(s, (SOCKADDR *)&if0, sizeof(if0)) == SOCKET_ERROR) {
+ printf("bind() failed: %d\n", WSAGetLastError());
+ return -1;
+ }
+//
+// Set the SIO_RCVALLxxx ioctl
+//
+ optval = 1;
+ if (WSAIoctl(s, dwIoControlCode, &optval, sizeof(optval),
+ NULL, 0, &dwBytesRet, NULL, NULL) == SOCKET_ERROR) {
+ printf("WSAIotcl() set raw socket failed; %d\n", WSAGetLastError());
+// return -1;
+ optval = 2;
+ if (WSAIoctl(s, dwIoControlCode, &optval, sizeof(optval),
+ NULL, 0, &dwBytesRet, NULL, NULL) == SOCKET_ERROR) {
+ printf("WSAIotcl() set raw socket only failed; %d\n", WSAGetLastError());
+ return -1;
+ }
+ }
+ system("cls");
+#else
+ tv.tv_sec=0; tv.tv_usec=0;
+ set_raw_mode();
+ FD_ZERO(&ready);
+ FD_SET(STDIN_FILENO,&ready);
+#endif
+ input = fopen("/dev/tty", "r"); //open the terminal keyboard
+ if (uiSourceAddr==0) ulSourceNet=0;
+ else for ( i=0; i<32-usSourceNet; i++) ulSourceNet <<= 1;
+ if (uiDestAddr==0) ulDestNet=0;
+ else for ( i=0; i<32-usDestNet; i++) ulDestNet <<= 1;
+ if (uiXAddr==0) ulXNet=0;
+ else for ( i=0; i<32-usXNet; i++) ulXNet <<= 1;
+ if (uiXAddr) uiSourceAddr=uiDestAddr=uiXAddr;
+ if (usXPort) usSourcePort=usDestPort=usXPort;
+ if (ulXNet) ulSourceNet=ulDestNet=ulXNet;
+ InitIPAcc();
+// Start receiving IP datagrams until interrupted
+//
+ count = 0;
+ if (iFile && iDetail) f=fopen(filename,"w+");
+ if (iProto) bFilter=1;
+ if (*(author+1) != 'h') iRun=0;
+ while (iRun) {
+ rcvbuf[MAX_IP_SIZE]=0;
+ wbuf.len = MAX_IP_SIZE;
+ wbuf.buf = rcvbuf;
+#ifndef LINUX
+ dwFlags = 0;
+ ret = WSARecv(s, &wbuf, 1, &dwBytesRet, &dwFlags, NULL, NULL);
+ if (ret == SOCKET_ERROR) {
+ printf("WSARecv() failed: %d\n", WSAGetLastError());
+ return -1;
+ }
+ if (kbhit()) {
+#else
+ dwFlags = sizeof(ssaddr);
+
+ ret = recvfrom (s, wbuf.buf, MAX_IP_SIZE, 0, &ssaddr, (int *) &dwFlags);
+ if (ret == -1) continue;
+ dwBytesRet=wbuf.len=ret;
+ p=prom;
+ while(p!=NULL) {
+ if (!strcmp(p -> name, ssaddr.sa_data)) break;
+ p=p->next;
+ }
+ if (!p) {
+// printf("\n%s: ignored",ssaddr.sa_data); fflush(stdout);
+ continue;
+ }
+ FD_ZERO(&ready);
+ FD_SET(STDIN_FILENO,&ready);
+ if (select(STDIN_FILENO+1,&ready,NULL,NULL,&tv)>0) {
+// if (FD_ISSET(STDIN_FILENO,&ready)) {
+#endif
+ switch (getchar()) { /* branch to appropiate key handler */
+ case 0x1b: /* Esc */
+ iRun=0;
+ break;
+ default:
+ mostird=1;
+ break;
+ } //end of switch key
+ }
+
+// Deccode the IP header
+//
+ if (!(nproc = DecodeIPHeader(&wbuf, uiSourceAddr, usSourcePort, ulSourceNet,
+ uiDestAddr, usDestPort, ulDestNet, dwBytesRet,usXPort,uiXAddr,ulXNet)))
+ {
+// printf("Error decoding IP header!\n");
+// break;
+ }
+ }
+ // Cleanup
+ //
+ if (iRun && !iDetail) CloseIPAcc();
+ if (f) fclose(f);
+#ifndef LINUX
+ closesocket(s);
+ WSACleanup();
+#else
+ exit_capture();
+#endif
+ return 0;
+}
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