diff options
Diffstat (limited to 'openwrt/package/pipacs/src/parser.c')
-rw-r--r-- | openwrt/package/pipacs/src/parser.c | 907 |
1 files changed, 907 insertions, 0 deletions
diff --git a/openwrt/package/pipacs/src/parser.c b/openwrt/package/pipacs/src/parser.c new file mode 100644 index 0000000000..330d7cd0aa --- /dev/null +++ b/openwrt/package/pipacs/src/parser.c @@ -0,0 +1,907 @@ +#include <stdio.h> +#include <stdlib.h> +#include<string.h> +#include <time.h> +//#include <process.h> +#include "parser.h" + +#define printit + +extern BOOL bFilter; +extern int iline; +extern char * author; +extern char myipname[]; +extern int justheader; +extern int gre,sortbysize,fromip,toip; +int nomac=1; +int mostird=0; +char mypbuff[2048]; +// accounting variables +#define MAXHASH 0xffff +#define MAXTCPPORT 4096 +unsigned long *iph=NULL; //[MAXHASH]; + +typedef struct { + unsigned short from; + unsigned short to; + unsigned long byte; + unsigned short pkt; + unsigned short sport; + unsigned short dport; +} ta; + +ta *acc = NULL; +unsigned long tcppb[MAXTCPPORT]; +unsigned long tcppp[MAXTCPPORT]; +unsigned long typp[255]; +unsigned long typb[255]; +unsigned long udpb,tcpb,udpp,tcpp; +time_t elapsed=0; +int iCycle=10; +int iScreen=1; +int iFile=0; +long lNum=0; +char filename[128]; +char intlist[128]; +int iRun=1; +int iDetail=0; +FILE *f=NULL; +int iProto=0; +int iSum=0; +char execname[255]; +char pbuf[8196]; +char str[255]; +extern char pattern[]; +#ifndef LINUX +int iLnxplus=0; // Windows buffer without the MAC frame ! +#else +int iLnxplus=14; // Linux plus IP header len =14 !!! +#endif +// +// A list of protocol types in the IP protocol header +// +char *szProto[255] = {"IP", // 0 + "ICMP", // 1 + "IGMP", // 2 + "GGP", // 3 + "IP", // 4 + "ST", // 5 + "TCP", // 6 + "UCL", // 7 + "EGP", // 8 + "IGP", // 9 + "BBN-RCC-MON", // 10 + "NVP-II", // 11 + "PUP", // 12 + "ARGUS", // 13 + "EMCON", // 14 + "XNET", // 15 + "CHAOS", // 16 + "UDP", // 17 + "MUX", // 18 + "DCN-MEAS", // 19 + "HMP", // 20 + "PRM", // 21 + "XNS-IDP", // 22 + "TRUNK-1", // 23 + "TRUNK-2", // 24 + "LEAF-1", // 25 + "LEAF-2", // 26 + "RDP", // 27 + "IRTP", // 28 + "ISO-TP4", // 29 + "NETBLT", // 30 + "MFE-NSP", // 31 + "MERIT-INP", // 32 + "SEP", // 33 + "3PC", // 34 + "IDPR", // 35 + "XTP", // 36 + "DDP", // 37 + "IDPR-CMTP", // 38 + "TP++", // 39 + "IL", // 40 + "SIP", // 41 + "SDRP", // 42 + "SIP-SR", // 43 + "SIP-FRAG", // 44 + "IDRP", // 45 + "RSVP", // 46 + "GRE", // 47 + "MHRP", // 48 + "BNA", // 49 + "IPSEC-ESP", // 50 + "IPSEC-AH", // 51 + "I-NLSP", // 52 + "SWIPE", // 53 + "NHRP", // 54 + "?55?", // 55 + "?56?", // 56 + "SKIO", // 57 + "V6ICMP", // 58 + "V6NoNXT", // 59 + "V6OPT", // 60 + "int.host", // 61 + "CFTP", // 62 + "loc.net", // 63 + "SAT-EXPAK", // 64 + "KRYPTOLAN", // 65 + "RVD", // 66 + "IPPC", // 67 + "dist.fs", // 68 + "SAT-MON", // 69 + "VISA", // 70 + "IPCV", // 71 + "CPNX", // 72 + "CPHB", // 73 + "WSN", // 74 + "PVP", // 75 + "BR-SAT-MON", // 76 + "SUN-ND", // 77 + "WB-MON", // 78 + "WB-EXPAK", // 79 + "ISO-IP", // 80 + "VMTP", // 81 + "SECURE-VMTP",// 82 + "VINES", // 83 + "TTP", // 84 + "NSFNET-IGP", // 85 + "DGP", // 86 + "TCF", // 87 + "IGRP", // 88 + "OSPF", // 89 + "Sprite-RPC", // 90 + "LARP", // 91 + "MTP", // 92 + "AX.25", // 93 + "IPIP", // 94 + "MICP", // 95 + "SCC-SP", // 96 + "ETHERIP", // 97 + "ENCAP", // 98 + "priv.enc", // 99 + "GMTP" // 99 + }; +// +// The types of IGMP messages +// +char *szIgmpType[] = {"", + "Host Membership Query", + "HOst Membership Report", + "", + "", + "", + "Version 2 Membership Report", + "Leave Group", + "", + "" + }; + +// +// Function: PrintRawBytes +// +// Description: +// This function simply prints out a series of bytes +// as hexadecimal digits. +// +void PrintRawBytes(BYTE *ptr, DWORD len) +{ + int i,j; +// if (! iFile) { +*(ptr+len)=0; +if ((*pattern==0) || strstr(ptr,pattern) ) { + fprintf(iFile?f:stdout,"%s",pbuf); + fprintf(iFile?f:stdout," " ); + while (len > 0) { + for(i=0; i < 16; i++) { + fprintf(iFile?f:stdout,"%x%x ", HI_WORD(*ptr), LO_WORD(*ptr)); + len--; + ptr++; + if (len == 0) {j=i++; while(++j < 16) fprintf(iFile?f:stdout," "); break; } + } + fprintf(iFile?f:stdout," "); + for(j=0; j < i; j++) fprintf(iFile?f:stdout,"%c",isprint(*(ptr-i+j))?*(ptr-i+j):'.'); + if (len) fprintf(iFile?f:stdout,"\n "); + } +// } else { +// fwrite(ptr,sizeof(BYTE),len,f); +// } +} +} + +static char *ICMPTypeTable[]={ + "Echo Reply", "ICMP 1", "ICMP 2", "Dest Unreachable","SrcQuench", "Redirect", "6", "7","Echo Request","9","10", + "Time Exceed", "ParamPrblm", "Timestamp", "Timestamp reply","InfoRqst", "InfoRply" +}; +static char *Dstunreach[]={ +"net unreach.","host unreach.","protocol unreach.","port unreach.", +"frag needed","source route?","","" +}; +int DecodeICMPHeader(WSABUF *wsabuf, DWORD iphdrlen) { + BYTE *hdr = (BYTE *)((BYTE *)wsabuf->buf + iphdrlen + iLnxplus ); + unsigned short type,code,chksum, + id, + seq; + unsigned long resptime,r1,r2; + BYTE *hhh; + SOCKADDR_IN addr; + type=*hdr++; code=*hdr++; + sprintf(str," Type:%-12s Code:%3d,",ICMPTypeTable[type],code); + + strcat(pbuf,str); + memcpy(&chksum, hdr, 2); + hdr += 2; hhh=hdr; + memcpy(&id, hdr, 2); + hdr += 2; + memcpy(&seq, hdr, 2); + hdr+=2; +// memcpy(&resptime, hdr, 4); +// hdr+=4; + switch (type) { + case 3: + memcpy(&addr.sin_addr.s_addr, hdr+16, 4); + if (code==4 ) sprintf(str,"frag needed-Max MTU:%u at %-15s\n",ntohs(seq), inet_ntoa(addr.sin_addr)); + else sprintf(str,"%s at %-15s\n",Dstunreach[code&7],inet_ntoa(addr.sin_addr)); + hdr+=iphdrlen; + break; + case 11: + memcpy(&addr.sin_addr.s_addr, hdr+16, 4); + sprintf(str,"%s at %-15s\n",code?"frag reass. exceed":"ttl exceed",inet_ntoa(addr.sin_addr)); + hdr+=iphdrlen; + break; + case 12: + memcpy(&addr.sin_addr.s_addr, hdr+16, 4); + sprintf(str," err:%d at %-15s\n",id,inet_ntoa(addr.sin_addr)); + hdr+=iphdrlen; + break; + case 4: + memcpy(&addr.sin_addr.s_addr, hdr+16, 4); + sprintf(str," wait for %-15s\n",ntohs(id),inet_ntoa(addr.sin_addr)); + hdr+=iphdrlen; + break; + case 5: + memcpy(&addr.sin_addr.s_addr, hhh, 4); + sprintf(str," from gw: %-15s\n",inet_ntoa(addr.sin_addr)); + hdr+=iphdrlen; + break; + case 0: + case 8: + sprintf(str," Id:%3u Seq:%3u\n",ntohs(id),ntohs(seq)); + break; + case 13: + case 14: + memcpy(&resptime, hdr, 4); + hdr+=4; + memcpy(&r1, hdr, 4); + hdr+=4; + memcpy(&r2, hdr, 4); + hdr+=4; + sprintf(str," Id:%3u Seq:%3d Rec/Tr %ld/%ld ms\n",ntohs(id),ntohs(seq),ntohl(r1)-ntohl(resptime),ntohl(r2)-ntohl(resptime)); + break; + case 15: + case 16: + sprintf(str," Id:%3u Seq:%3d\n",ntohs(id),ntohs(seq)); + break; + } + strcat(pbuf,str); + return hdr-(BYTE *)(wsabuf->buf + iphdrlen + iLnxplus); +} + +// +// Function: DecodeIGMPHeader +// +// Description: +// This function takes a pointer to a buffer containing +// an IGMP packet and prints it out in a readable form. +// + +int DecodeIGMPHeader(WSABUF *wsabuf, DWORD iphdrlen) { + BYTE *hdr = (BYTE *)((BYTE *)wsabuf->buf + iphdrlen + iLnxplus); + unsigned short chksum, + version, + type, + maxresptime; + SOCKADDR_IN addr; + version = HI_WORD(*hdr); + type = LO_WORD(*hdr); + + hdr++; + maxresptime = *hdr; + hdr++; + + memcpy(&chksum, hdr, 2); + chksum = ntohs(chksum); + hdr += 2; + + memcpy(&(addr.sin_addr.s_addr), hdr, 4); + sprintf(str," IGMP HEADER:\n"); + strcat(pbuf,str); + if ((type == 1) || (type == 2)) version = 1; + else version = 2; + sprintf(str," IGMP Version = %d\n IGMP Type = %s\n",version, szIgmpType[type]); + strcat(pbuf,str); + if (version == 2) { + sprintf(str," Max Resp Time = %d\n", maxresptime); + strcat(pbuf,str); + } + sprintf(str," IGMP Grp Addr = %s\n", inet_ntoa(addr.sin_addr)); + strcat(pbuf,str); + + return 8; +} + +// +// Function: DecodeUDPHeader +// +// Description: +// This function takes a buffer which points to a UDP +// header and prints it out in a readable form. +// +int DecodeUDPHeader(WSABUF *wsabuf, DWORD iphdrlen) { + BYTE *hdr = (BYTE *)((BYTE *)wsabuf->buf + iphdrlen + iLnxplus); + unsigned short shortval, + udp_src_port, + udp_dest_port, + udp_len, + udp_chksum; + memcpy(&shortval, hdr, 2); + udp_src_port = ntohs(shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + udp_dest_port = ntohs(shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + udp_len = ntohs(shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + udp_chksum = ntohs(shortval); + hdr += 2; + + sprintf(str," UDP: SPort: %-05d | DPort: %-05d",udp_src_port, udp_dest_port); + strcat(pbuf,str); + sprintf(str," | Len: %-05d | CSum: 0x%08x\n",udp_len, udp_chksum); + strcat(pbuf,str); + return hdr-(BYTE *)(wsabuf->buf + iphdrlen + iLnxplus); +} + +// +// Function: DecodeTCPHeader +// +// Description: +// This function takes a buffer pointing to a TCP header +// and prints it out in a readable form. +// +int DecodeTCPHeader(WSABUF *wsabuf, DWORD iphdrlen) { + BYTE *hdr = (BYTE *)((BYTE *)wsabuf->buf + iphdrlen + iLnxplus); + unsigned short shortval; + unsigned long longval; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); + sprintf(str," TCP: SPort: %u", shortval); + strcat(pbuf,str); + hdr += 2; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); + sprintf(str," DPort: %u", shortval); + strcat(pbuf,str); + hdr += 2; + + memcpy(&longval, hdr, 4); + longval = ntohl(longval); + sprintf(str," Seq: %lX", longval); + strcat(pbuf,str); + hdr += 4; + + memcpy(&longval, hdr, 4); + longval = ntohl(longval); + sprintf(str," ACK: %lX", longval); + strcat(pbuf,str); + hdr += 4; +// printf(" Header Len : %d (bytes %d)\n", HI_WORD(*hdr), (HI_WORD(*hdr) * 4)); + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval) & 0x3F; + sprintf(str," Flags: "); + strcat(pbuf,str); + if (shortval & 0x20) strcat(pbuf,"URG "); + if (shortval & 0x10) strcat(pbuf,"ACK "); + if (shortval & 0x08) strcat(pbuf,"PSH "); + if (shortval & 0x04) strcat(pbuf,"RST "); + if (shortval & 0x02) strcat(pbuf,"SYN "); + if (shortval & 0x01) strcat(pbuf,"FIN "); + strcat(pbuf,"\n"); + hdr += 2; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); +// printf(" Window size: %d\n", shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); +// printf(" TCP Chksum : %d\n", shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); + hdr += 2; +// printf(" Urgent ptr : %d\n", shortval); + + return hdr-(BYTE *)(wsabuf->buf + iphdrlen + iLnxplus); +} + +int DecodeGREHeader(WSABUF *wsabuf, DWORD iphdrlen,DWORD bytesret, + unsigned int srcip, unsigned short srcport, unsigned long srcnet,unsigned int destip, unsigned short destport, unsigned long destnet, + unsigned short xport,unsigned int xip, unsigned long xnet) + { + BYTE *hdr = (BYTE *)((BYTE *)wsabuf->buf + iphdrlen + iLnxplus); + unsigned short shortval; + unsigned long longval; + int ipe; + BYTE *orihdr; + char *sstr; + SOCKADDR_IN srcaddr; + + orihdr=hdr; + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); + sprintf(str," GRE Flag: %u Prot:", shortval); + strcat(mypbuff,str); + hdr += 2; + + memcpy(&shortval, hdr, 2); + shortval = ntohs(shortval); + ipe=0; + sstr=str; +// sprintf(str," Prot: %u", shortval); + switch ( shortval ) { + case 4: sstr="SNA"; + break; + case 0xfe: sstr="OSI"; + break; + case 0x200: sstr="PUP"; + break; + case 0x600: sstr="XNS"; + break; + case 0x800: sstr="IP"; + ipe=1; + break; + case 0x804: sstr="Chaos"; + break; + case 0x806: sstr="ARP"; + break; + case 0x6558: sstr="Tr.bridge"; + break; + default: sprintf(str,"%u", shortval); + break; + } + hdr += 2; + strcat(mypbuff,sstr); + if (ipe && gre) { + int plusment,jj,protoment; + plusment=iLnxplus; + protoment=iProto; + if (iProto==47) iProto=0; + iLnxplus+=4; + nomac=0; + iLnxplus=plusment+24; + DecodeIPHeader(wsabuf,srcip,srcport,srcnet,destip,destport,destnet,bytesret,xport,xip,xnet); + nomac=1; + iLnxplus=plusment; + iProto=protoment; + } +return -1; +// return hdr-(BYTE *)(wsabuf->buf + iphdrlen + iLnxplus); +} + + +int ClearIPAcc() { + unsigned long i; + ta *tai; + for(i=0;i<MAXHASH;i++) *(iph + i)=0; + tai=acc; + for(i=0;i<MAXHASH;i++) { tai->from=tai->to=0; tai++; } + for (i=0;i<MAXTCPPORT; i++) tcppb[i]=tcppp[i]=0; + udpb=udpp=tcpp=tcpb=0; + for (i=0;i<255; i++) typp[i]=0; + for (i=0;i<255; i++) typb[i]=0; + return 0; + }; + +int InitIPAcc() { + acc=malloc(MAXHASH*sizeof(ta)); + iph=malloc(MAXHASH*sizeof(long)); + if (!acc || !iph ) return 0; + ClearIPAcc(); + time(&elapsed); + return 1; +} + +int bytesort(const void *s1, const void *s2) { // sorting tale in byte order + ta *d1; + ta *d2; + d1= (ta *)s1; d2=(ta *)s2; + if (d1->byte > d2->byte) return -1; + if (d1->byte < d2->byte) return 1; + return 0; +} +int countsort(const void *s1, const void *s2) { // sorting tale in packet count order + ta *d1; + ta *d2; + d1= (ta *)s1; d2=(ta *)s2; + if (d1->pkt > d2->pkt) return -1; + if (d1->pkt < d2->pkt) return 1; + return 0; +} +int CloseIPAcc( long ti) { + unsigned long i; + ta *tai; + SOCKADDR_IN srcaddr; + SOCKADDR_IN dstaddr; + float ff; + char str[16]; + unsigned long j,k,l; + int lin=0; + int linn; + + time(&elapsed); + if (iFile) f=fopen(filename,"w+"); + k=0; + if (sortbysize) qsort(acc,MAXHASH,sizeof(ta),bytesort); + else qsort(acc,MAXHASH,sizeof(ta),countsort); + ff=0.0; + for (i=0;i<255;i++) ff+=typb[i]; + for (i=0; i<MAXHASH; i++) { + tai=acc + i; + if ((tai->from!=0) && (tai->to!=0)) ++k; + } + if (iScreen) { +#ifndef LINUX + system("cls"); +#else + system("clear"); +// printf("\033[1~"); +#endif + printf("%-16s Speed: %5.2f Kbit/s , %ld IP pairs / %ld secs. %s@%s.hu",myipname,ff/ti/1024*8,k,ti,author,author); + printf("\nProt:"); j=0; ++lin; + while (1) { + l=k=0; + for (i=0;i<100;i++) if ( typb[i]>k) { k=typb[i]; l=i; } + if (k==0) break; + if ((j>0) && ((j%3)==0)) { printf("\n "); ++lin; } + if (k>1024*1024) printf(" %-8.8s:%5.1fk/%-6.1f M",szProto[l],(float)typp[l]/1024,(float)k/(1024*1024)); + else if (k>1024) printf(" %-8.8s:%5ld/%-6.1f k",szProto[l],typp[l],(float)k/1024); + else printf(" %-8.8s:%5ld/%-8ld",szProto[l],typp[l],k); + typb[l]=0; + ++j; + } + printf("\nPort:"); j=0; ++lin; + k=0; linn=lin; + while (1) { + l=k=0; + for (i=0;i<MAXTCPPORT;i++) if (tcppb[i]>k) { k=tcppb[i]; l=i; } + if (k==0) break; + if (j && (j%4)==0) { + if (lin >= linn+1) break; + printf("\n "); + ++lin; + } + if (k>1024*1024) printf(" %04d:%4.1fk/%-5.1f M",l,(float)tcppp[l]/1024,(float)k/(1024*1024)); + else if (k>1024) printf(" %04d:%4ld/%-5.1f k",l,tcppp[l],(float)k/1024); + else printf(" %04d:%4ld/%-7ld",l,tcppp[l],k); + tcppb[l]=0; + ++j; + } + } else if (f) { + fprintf(f,"%-16s Speed: %5.2f Kbit/s , %ld IP pairs / %ld secs. %s@%s.hu",myipname,ff/ti/1024*8,k,ti,author,author); + fprintf(f,"\nProt:"); j=0; + while (1) { + l=k=0; + for (i=0;i<100;i++) if ( typb[i]>k) { k=typb[i]; l=i; } + if (k==0) break; + if (k>1024*1024) fprintf(f," %-8.8s:%5.1fk/%-6.1f M",szProto[l],(float)typp[l]/1024,(float)k/(1024*1024)); + else if (k>1024) fprintf(f," %-8.8s:%5ld/%-6.1f k",szProto[l],typp[l],(float)k/1024); + else fprintf(f," %-8.8s:%5ld/%-8ld",szProto[l],typp[l],k); + typb[l]=0; + ++j; + } + printf("\nPort:"); j=0; + k=0; linn=lin; + while (1) { + l=k=0; + for (i=0;i<MAXTCPPORT;i++) if (tcppb[i]>k) { k=tcppb[i]; l=i; } + if (k==0) break; + if (k>1024*1024) fprintf(f," %04d:%4.1fk/%-5.1f M",l,(float)tcppp[l]/1024,(float)k/(1024*1024)); + else if (k>1024) fprintf(f," %04d:%4ld/%-5.1f k",l,tcppp[l],(float)k/1024); + else fprintf(f," %04d:%4ld/%-7ld",l,tcppp[l],k); + tcppb[l]=0; + ++j; + } + } + + for (i=0; i<MAXHASH; i++) { + tai=acc + i; + if ((tai->from!=0) && (tai->to!=0)) { ++k; + if (!iSum) { + dstaddr.sin_addr.s_addr = htonl(*(iph+tai->from)); + srcaddr.sin_addr.s_addr = htonl(*(iph+(tai->to))); + strcpy(str,inet_ntoa(dstaddr.sin_addr)); + if (iScreen && (++lin<iline) ) printf("\n%-15s\t%-15s\t%5d pkt, %10ld byte :%7.2f Kbps",str,inet_ntoa(srcaddr.sin_addr),tai->pkt,tai->byte,((float)tai->byte)/ti/1024*8); + if (f) fprintf(f,"%-15s\t%-15s\t%d\t%ld\n",str,inet_ntoa(srcaddr.sin_addr),tai->pkt,tai->byte); + } + } + } + if (iScreen) printf("\n"); +#ifdef LINUX + if (iScreen) fflush(stdout); +#endif + ClearIPAcc(); + if (f) { + char cmdline[255]; + fclose(f); +// if (*execname) _spawnle(_P_NOWAIT,execname,execname,filename); +// if (*execname) _execl(execname,execname); + if (*execname) { +#ifndef LINUX + sprintf(cmdline,"%s %s",execname,filename); +#else + sprintf(cmdline,"%s %s",execname,filename); +#endif + system(cmdline); +// iRun=0; + } + } + f=NULL; + return 0; +} + +unsigned short FindIPHash( unsigned long ip ) { + unsigned short hashval; + unsigned long *ipt; + + hashval = (unsigned short)(((ip&0xFFFF0000)>>16) ^ (ip&0x0000FFFF)); + ipt=iph + hashval; + while (*ipt != 0 && (*ipt!=ip)) { ipt++; hashval++; } + if (*ipt==0) *ipt=ip; + return hashval; +} + +unsigned short SetIPAcc( unsigned long src, unsigned long dst, unsigned long byte, unsigned short typ, unsigned short sport, unsigned short dport) { + unsigned short from,to,hash; + ta *tai; + hash=0; + if (src) { + + if (fromip) from=FindIPHash(src); else from=-1; + if (toip) to=FindIPHash(dst); else to=-1; + hash=from^to; + tai=acc + hash; + while ( ((tai->from!=from) && (tai->to!=to)) && ((tai->from!=0) && (tai->to!=0)) ) {tai++; hash++; } + if ((tai->from==0)&&(tai->to==0)) { + tai->byte=byte; tai->from=from; tai->to=to; tai->pkt=1; + } else { tai->byte+=byte; tai->pkt++; } + + typp[typ]++; + typb[typ]+=byte; + if ((sport>0) && (sport<MAXTCPPORT)) { tcppp[sport]++; tcppb[sport]+=byte; } + if ((dport>0) && (dport<MAXTCPPORT)) { tcppp[dport]++; tcppb[dport]+=byte; } + } + return hash; +} + +// +// Function: DecodeIPHeader +// +// Description: +// This function takes a pointer to an IP header and prints +// it out in a readable form. +// +int DecodeIPHeader(WSABUF *wsabuf, unsigned int srcip, unsigned short srcport, unsigned long srcnet, + unsigned int destip, unsigned short destport, unsigned long destnet, DWORD bytesret, + unsigned short xport,unsigned int xip, unsigned long xnet) +{ + BYTE *hdr = (BYTE *)wsabuf->buf, + *nexthdr = NULL, + *ohdr; + unsigned short shortval; + SOCKADDR_IN srcaddr, + destaddr; + + unsigned short ip_version, + ip_hdr_len, + ip_tos, + ip_total_len, + ip_id, + ip_flags, + ip_ttl, + ip_frag_offset, + ip_proto, + ip_hdr_chksum, + ip_src_port, + ip_dest_port; + unsigned int ip_src, + ip_dest; + BOOL bPrint = FALSE; + char ip_prtype=0; + int j; + time_t tt; + struct tm *tmm; + + ohdr=hdr; + if (iLnxplus) ip_prtype=*(hdr+iLnxplus-1); + if (ip_prtype) return 0; + hdr += iLnxplus; + ip_version = HI_WORD(*hdr); + ip_hdr_len = LO_WORD(*hdr) * 4; + nexthdr = (BYTE *)((BYTE *)hdr + ip_hdr_len); + hdr++; + + ip_tos = *hdr; + hdr++; + + memcpy(&shortval, hdr, 2); + ip_total_len = ntohs(shortval); + hdr += 2; + + memcpy(&shortval, hdr, 2); + ip_id = ntohs(shortval); + hdr += 2; + + ip_flags = ((*hdr) >> 5); + + memcpy(&shortval, hdr, 2); + ip_frag_offset = ((ntohs(shortval)) & 0x1FFF); + hdr += 2; + + ip_ttl = *hdr; + hdr++; + + ip_proto = *hdr; + hdr++; + + memcpy(&shortval, hdr, 2); + ip_hdr_chksum = ntohs(shortval); + hdr += 2; + + memcpy(&srcaddr.sin_addr.s_addr, hdr, 4); + ip_src = ntohl(srcaddr.sin_addr.s_addr); + hdr += 4; + + memcpy(&destaddr.sin_addr.s_addr, hdr, 4); + ip_dest = ntohl(destaddr.sin_addr.s_addr); + hdr += 4; + // + // If packet is UDP, TCP, or IGMP read ahead and + // get the port values. + // + ip_src_port=ip_dest_port=0; + if (((ip_proto == 2) || + (ip_proto == 6) || + (ip_proto == 17)) ) //&& bFilter) + { + memcpy(&ip_src_port, nexthdr, 2); + ip_src_port = ntohs(ip_src_port); + memcpy(&ip_dest_port, nexthdr+2, 2); + ip_dest_port = ntohs(ip_dest_port); + + }; + bPrint = 0; +// xaok= (xip!=0) && (((xip&xnet)==(ip_src&xnet))||((xip&xnet)==(ip_dest&xnet))); +// saok= ((srcip==0)||((srcip&srcnet)==(ip_src&srcnet))); +// daok = ((destip==0)||((destip&destnet)==(ip_dest&destnet))); +// xpok=(xport!=0) && ((xport==ip_src_port)||(xport==ip_dest_port)); +// spok=((srcport==0)||(srcport == ip_src_port)); +// dpok=((destport==0)||(destport == ip_dest_port)); +//printf("\nf:%d xa:%d sa:%d da:%d xp:%d sp:%d dp:%d",bFilter,xaok,saok,daok,xpok,spok,dpok); +// if (!bFilter || ( (xaok||(saok&&daok)) && (xpok||(spok&&dpok)))) { +if ((!bFilter) || ((ip_proto==47)&&gre) || + ( + ((iProto==0)||(ip_proto==iProto)) && + ( + ((xip!=0) && (((xip&xnet)==(ip_src&xnet))||((xip&xnet)==(ip_dest&xnet))) + ) || ( + ((srcip==0) || ((srcip&srcnet)==(ip_src&srcnet))) && ((destip==0)||((destip&destnet)==(ip_dest&destnet))) + ) + ) + && + ( + ((xport!=0) && ((xport==ip_src_port)||(xport==ip_dest_port)) + ) || ( + ((srcport==0)||(srcport == ip_src_port))&&((destport==0)||(destport == ip_dest_port)) + ) + ) + ) + ) { + if (! iDetail) { + if ((ip_proto==47)&&gre) { + *mypbuff=0; + DecodeGREHeader(wsabuf, ip_hdr_len, bytesret, + srcip,srcport,srcnet,destip,destport,destnet,xport,xip,xnet); +// SetIPAcc(0,0,0,0,0,0); + return ip_hdr_len; + } + SetIPAcc(ip_src,ip_dest,ip_total_len,ip_proto,ip_src_port,ip_dest_port); + } + else bPrint=TRUE; +// printf("%d %ld %ld %ld %ld",ip_proto,xip,xip&xnet,ip_src&xnet,ip_dest&xnet); + } else { + if (! iDetail) SetIPAcc(0,0,0,0,0,0); +// else bPrint=TRUE; + } + time(&tt); + if ((!iSum && ( tt-elapsed > iCycle)) || !iRun || mostird) { + mostird=0; + if (! iDetail) CloseIPAcc(tt-elapsed-1); + else { + time(&elapsed); + if (f) fclose(f); + if (iFile) f=fopen(filename,"a"); + } + } + if (lNum) { if (--lNum <= 0) iRun=0; } + + // + *pbuf=0; + if (bPrint) { + tmm=localtime(&tt); +if (! nomac ) { + strcpy(pbuf,mypbuff); +} else { + sprintf(str,"\n%4.4d.%2.2d.%2.2d %2.2d:%2.2d:%2.2d ", + tmm->tm_year+1900,tmm->tm_mon+1,tmm->tm_mday,tmm->tm_hour,tmm->tm_min,tmm->tm_sec); + strcat(pbuf,str); +#ifdef LINUX + sprintf(str,"%x:%x:%x:%x:%x:%x > %x:%x:%x:%x:%x:%x",*ohdr,*(ohdr+1),*(ohdr+2),*(ohdr+3),*(ohdr+4),*(ohdr+5), + *(ohdr+6),*(ohdr+7),*(ohdr+8),*(ohdr+9),*(ohdr+10),*(ohdr+11)); + strcat(pbuf,str); +#endif +} + sprintf(str," %d bytes\n%-15s>", ip_total_len, inet_ntoa(srcaddr.sin_addr)); + strcat(pbuf,str); + sprintf(str,"%-15s", inet_ntoa(destaddr.sin_addr)); + strcat(pbuf,str); + sprintf(str," TTL:%-3d Proto:%-6s F:%d/%d TOS:%X%X\n", + ip_ttl, szProto[ip_proto],ip_flags,ip_frag_offset,HI_WORD(ip_tos), LO_WORD(ip_tos)); + strcat(pbuf,str); + if (iFile) strcat(pbuf,"."); + strcpy(mypbuff,pbuf); + + } + else return ip_hdr_len; + + if (justheader) { if (*pbuf) fprintf(iFile?f:stdout,"%s",pbuf); return ip_hdr_len; } + if (iDetail) { + switch (ip_proto) { + case 1: // ICMP + j=DecodeICMPHeader(wsabuf, ip_hdr_len); + break; + case 2: // IGMP + j=DecodeIGMPHeader(wsabuf, ip_hdr_len); + break; + case 6: // TCP + j=DecodeTCPHeader(wsabuf, ip_hdr_len); + break; + case 17: // UDP + j=DecodeUDPHeader(wsabuf, ip_hdr_len); + break; + case 47: // UDP + j=DecodeGREHeader(wsabuf, ip_hdr_len, bytesret, + srcip,srcport,srcnet,destip,destport,destnet,xport,xip,xnet); + break; + default: + j=0; hdr=(BYTE *)wsabuf->buf; + sprintf(str," No decoder installed for protocol\n"); + strcat(pbuf,str); + break; + } + if (j>=0) PrintRawBytes(hdr+j,bytesret-j-ip_hdr_len-12); //(hdr-(BYTE *)(wsabuf->buf + iLnxplus))); + } + else if (*pbuf) fprintf(iFile?f:stdout,"%s",pbuf); + + return ip_hdr_len; +} |