Makefile.in
authorJelmer Vernooij <jelmer@samba.org>
Fri, 15 Aug 2003 00:00:22 +0000 (00:00 +0000)
committerJelmer Vernooij <jelmer@samba.org>
Fri, 15 Aug 2003 00:00:22 +0000 (00:00 +0000)
(This used to be commit e8dc799ffbc4e622eb6adf374bbafc34724c24ce)

source3/utils/log2pcaphex.c [new file with mode: 0644]

diff --git a/source3/utils/log2pcaphex.c b/source3/utils/log2pcaphex.c
new file mode 100644 (file)
index 0000000..790c699
--- /dev/null
@@ -0,0 +1,164 @@
+/* 
+Unix SMB/CIFS implementation.
+Utility to extract pcap files from samba (log level 10) log files
+
+Copyright (C) Jelmer Vernooij 2003
+Thanks to Tim Potter for the genial idea
+
+Example use: log2pcaphex < samba-log-file | text2pcap -T 139,139 - foo.pcap
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include <assert.h>
+
+
+#define itoa(a) ((a) < 0xa?'0'+(a):'A' + (a-0xa))
+
+void print_packet(FILE *out, char *data, long length)
+{
+long i,cur = 0;int tmp;
+while(cur < length) {
+       fprintf(out, "%06X ", cur);
+       for(i = cur; i < length && i < cur + 16; i++) {
+               fprintf(out, "%02x ", (unsigned char)data[i]);
+       }
+       
+       cur = i;
+       fprintf(out, "\n");
+}
+}
+
+char *curpacket = NULL;
+long curpacket_len = 0;
+
+long read_log_msg(FILE *in, char **_buffer, long *buffersize)
+{
+       char *buffer;
+       int tmp; long i;
+       assert(fscanf(in, " size=%d\n", buffersize));
+       *buffersize+=4; /* for netbios */
+       buffer = malloc(*buffersize);
+       memset(buffer, 0, *buffersize);
+       /* NetBIOS */
+       buffer[0] = 0x00;
+       buffer[1] = 0x00;
+       memcpy(buffer+2, &buffersize, 2);
+       buffer[4] = 0xFF;
+       buffer[5] = 'S';
+       buffer[6] = 'M';
+       buffer[7] = 'B';
+       assert(fscanf(in, "  smb_com=0x%x\n", &tmp)); buffer[smb_com] = tmp;
+       assert(fscanf(in, "  smb_rcls=%d\n", &tmp)); buffer[smb_rcls] = tmp;
+       assert(fscanf(in, "  smb_reh=%d\n", &tmp)); buffer[smb_reh] = tmp;
+       assert(fscanf(in, "  smb_err=%d\n", &tmp)); memcpy(buffer+smb_err, &tmp, 2);
+       assert(fscanf(in, "  smb_flg=%d\n", &tmp)); buffer[smb_flg] = tmp;
+       assert(fscanf(in, "  smb_flg2=%d\n", &tmp)); memcpy(buffer+smb_flg2, &tmp, 2);
+       assert(fscanf(in, "  smb_tid=%d\n", &tmp)); memcpy(buffer+smb_tid, &tmp, 2);
+       assert(fscanf(in, "  smb_pid=%d\n", &tmp)); memcpy(buffer+smb_pid, &tmp, 2);
+       assert(fscanf(in, "  smb_uid=%d\n", &tmp)); memcpy(buffer+smb_uid, &tmp, 2);
+       assert(fscanf(in, "  smb_mid=%d\n", &tmp)); memcpy(buffer+smb_mid, &tmp, 2);
+       assert(fscanf(in, "  smt_wct=%d\n", &tmp)); buffer[smb_wct] = tmp;
+       for(i = 0; i < buffer[smb_wct]; i++) {
+               assert(fscanf(in, "  smb_vwv[%*2d]=%*5d (0x%X)\n", &tmp));
+               memcpy(buffer+smb_vwv+i*2, &tmp, 2);
+       }
+
+       assert(fscanf(in, "  smb_bcc=%d\n", &tmp)); memcpy(buffer+smb_vwv+(1+buffer[smb_wct])*2, &tmp, 2);
+       *_buffer = buffer;
+       return tmp;
+}
+
+void read_log_data(FILE *in, char *buffer, long *buffersize, long data_offset)
+{
+       int addr, b[16]; long i,j;
+       for(i = *buffersize-data_offset; i < *buffersize; i++) {
+               fscanf(in, "  [%x] %2x %2x %2x %2x %2x %2x %2x %2x  %2x %2x %2x %2x %2x %2x %2x %2x\n", &addr,  &b[0], &b[1], &b[2], &b[3], &b[4], &b[5], &b[6], &b[7], &b[8], &b[9], &b[10], &b[11], &b[12], &b[13], &b[14], &b[15]);
+               for(j = i; j < 16 && j < *buffersize; j++) buffer[j] = b[j-i];
+       }
+}
+
+int main (int argc, char **argv)
+{
+       const char *infile, *outfile;
+       FILE *out, *in;
+       int opt;
+       int c;
+       poptContext pc;
+       char buffer[4096];
+       long data_offset;
+       int in_packet = 0;
+       struct poptOption long_options[] = {
+               POPT_AUTOHELP
+               POPT_TABLEEND
+       };
+       
+       pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
+                           POPT_CONTEXT_KEEP_FIRST);
+       poptSetOtherOptionHelp(pc, "[<infile> [<outfile>]]");
+       
+       
+       while((opt = poptGetNextOpt(pc)) != -1) {
+               switch (opt) {
+               }
+       }
+
+       poptGetArg(pc); /* Drop argv[0], the program name */
+
+       infile = poptGetArg(pc);
+
+       if(infile) {
+               in  = fopen(infile, "r");
+               if(!in) {
+                       perror("fopen");
+                       return 1;
+               }
+       } else in = stdin;
+       
+       outfile = poptGetArg(pc);
+
+       if(outfile) {
+               out = fopen(outfile, "w+");
+               if(!out) { 
+                       perror("fopen"); 
+                       fprintf(stderr, "Can't find %s, using stdout...\n", outfile);
+               }
+       }
+
+       if(!outfile) out = stdout;
+
+       while(!feof(in)) {
+               
+               fgets(buffer, sizeof(buffer), in);
+               if(buffer[0] == '[') { /* Header */
+                       if(strstr(buffer, "show_msg")) {
+                               in_packet++;
+                               if(in_packet == 1)continue;
+                               data_offset = read_log_msg(in, &curpacket, &curpacket_len);
+                       } else if(in_packet && strstr(buffer, "dump_data")) {
+                               read_log_data(in, curpacket, &curpacket_len, data_offset);
+                       }  else { 
+                               if(in_packet){ 
+                                       print_packet(out, curpacket, curpacket_len); 
+                                       free(curpacket); 
+                               }
+                               in_packet = 0;
+                       }
+               } 
+       }
+
+       return 0;
+}