/[darkstattype]/trunk/darkstattype.c
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Revision 6 by trond, 2014-03-19T14:02:41Z Revision 9 by trond, 2014-03-20T09:49:12Z
# Line 18  Line 18 
18      and/or other materials provided with the distribution.      and/or other materials provided with the distribution.
19    
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
21   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
24   ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES   ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */  */
31    
32  #include <errno.h>  #include <errno.h>
33    #include <stdbool.h>
34  #include <stdio.h>  #include <stdio.h>
35  #include <stdlib.h>  #include <stdlib.h>
36  #include <string.h>  #include <string.h>
37  #include <time.h>  #include <time.h>
38  #include <unistd.h>  #include <unistd.h>
39    
40  const char *progname = NULL;  const char *progname = NULL;
41  const char *filename = NULL;  const char *filename = NULL;
42  FILE *file = NULL;  FILE *file = NULL;
43    bool follow_specification = false;
44    
45  int main(int argc, char **argv)  int main(int argc, char **argv)
46  {  {
47    void show_usage(int exitcode);    void show_usage(int exitcode);
48    void show_version(void);    void show_version(void);
49    void decode_file(void);    void decode_file(void);
50    
51    int i;    int i;
52    
53    progname = argv[0];    progname = argv[0];
54    
55    opterr = 0;    opterr = 0;
56    while ( (i = getopt(argc, argv, "hv")) != -1) {    while ( (i = getopt(argc, argv, "fhv")) != -1) {
57      switch (i) {      switch (i) {
58          case 'f':
59            follow_specification = !follow_specification;
60            break;
61    
62        case 'h':        case 'h':
63          show_usage(EXIT_SUCCESS);          show_usage(EXIT_SUCCESS);
64          break;          break;
65    
66        case 'v':        case 'v':
67          show_version();          show_version();
68          break;          break;
69    
70        case '?':        case '?':
71          /*FALLTHROUGH*/          /*FALLTHROUGH*/
72        default:        default:
73          fprintf(stderr, "%s: illegal option -%c\n\n", progname, optopt);          fprintf(stderr, "%s: illegal option -%c\n\n", progname, optopt);
74          show_usage(EXIT_FAILURE);          show_usage(EXIT_FAILURE);
75          break;          break;
76      } // switch      } // switch
# Line 75  void show_usage(int exitcode) Line 81  void show_usage(int exitcode)
81    if (argv[0] == NULL) {    if (argv[0] == NULL) {
82      fprintf(stderr, "%s: missing filename\n\n", progname);      fprintf(stderr, "%s: missing filename\n\n", progname);
83      show_usage(EXIT_FAILURE);      show_usage(EXIT_FAILURE);
84    } // if    } // if
85    
86    filename = argv[0];    filename = argv[0];
87    
88    decode_file();    decode_file();
89    
90    return EXIT_SUCCESS;    return EXIT_SUCCESS;
91  } // main()  } // main()
92    
93  void show_usage(int exitcode)  void show_usage(int exitcode)
94  {  {
95    fprintf((exitcode == EXIT_SUCCESS) ? stdout : stderr,    fprintf((exitcode == EXIT_SUCCESS) ? stdout : stderr,
96      "Usage: %s [-h] [-v] filename\n"      "Usage: %s [-f] [-h] [-v] filename\n"
97      " E.g.: %s darkstat.db\n",      " E.g.: %s darkstat.db\n\n"
98    
99        "Options:\n"
100        "-f\tToggle follow strict specification, default is false.\n"
101        "-h\tShow this help message and exit.\n"
102        "-v\tShow version and copyright and exit.\n",
103      progname, progname);      progname, progname);
104    
105    exit(exitcode);    exit(exitcode);
106  } // show_usage()  } // show_usage()
107    
108  void show_version(void)  void show_version(void)
109  {  {
110    puts("darkstattype 1.0");    puts("darkstattype 1.0");
111    puts("$Ximalas$");    puts("$Ximalas$");
112    puts("");    puts("");
113    
114    puts("Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>");    puts("Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>");
115    puts("All rights reserved.");    puts("All rights reserved.");
116    puts("");    puts("");
117    puts("Redistribution and use in source and binary forms, with or without");    puts("Redistribution and use in source and binary forms, with or without");
# Line 353  void decode_host_header_v2(void) Line 364  void decode_host_header_v2(void)
364    unsigned char udpdata;    unsigned char udpdata;
365    
366    unsigned char i;    unsigned char i;
367    
368    indent();    indent();
369    
370    ipv4address[0] = read8u();    ipv4address[0] = read8u();
371    ipv4address[1] = read8u();    ipv4address[1] = read8u();
372    ipv4address[2] = read8u();    ipv4address[2] = read8u();
373    ipv4address[3] = read8u();    ipv4address[3] = read8u();
374    
375    print_indentation();    print_indentation();
376    printf("IPv4 address %d.%d.%d.%d\n",    printf("IPv4 address %d.%d.%d.%d\n",
377           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
378    
379    macaddress[0] = read8u();    if (follow_specification == true) {
380    macaddress[1] = read8u();      macaddress[0] = read8u();
381    macaddress[2] = read8u();      macaddress[1] = read8u();
382    macaddress[3] = read8u();      macaddress[2] = read8u();
383    macaddress[4] = read8u();      macaddress[3] = read8u();
384    macaddress[5] = read8u();      macaddress[4] = read8u();
385        macaddress[5] = read8u();
386    
387    print_indentation();      print_indentation();
388    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);      printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
389    
390    lastseen = read64s();      lastseen = read64s();
391    
392    print_indentation();      print_indentation();
393    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);      printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
394    print_time_t(lastseen);      print_time_t(lastseen);
395    puts("");      puts("");
396      } // if
397      else {
398        lastseen = read64s();
399    
400        print_indentation();
401        printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
402        print_time_t(lastseen);
403        puts("");
404    
405        macaddress[0] = read8u();
406        macaddress[1] = read8u();
407        macaddress[2] = read8u();
408        macaddress[3] = read8u();
409        macaddress[4] = read8u();
410        macaddress[5] = read8u();
411    
412        print_indentation();
413        printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
414      } // else
415    
416    hostnamelen = read8u();    hostnamelen = read8u();
417    
418    print_indentation();    print_indentation();
419    printf("Hostname length %d\n", hostnamelen);    printf("Hostname length %d\n", hostnamelen);
420    
421    for (i = 0; i < hostnamelen; i++) {    for (i = 0; i < hostnamelen; i++) {
422      hostname[i] = read8u();      hostname[i] = read8u();
423    } // for    } // for
424    hostname[i] = '\0';    hostname[i] = '\0';
425    
426    print_indentation();    print_indentation();
427    printf("Hostname %s\n", hostname);    printf("Hostname %s\n", hostname);
428    
429    bytesin = read64u();    bytesin = read64u();
430    
# Line 494  void decode_host_header_v3(void) Line 525  void decode_host_header_v3(void)
525             ipv6address[ 7],             ipv6address[ 7],
526             ipv6address[ 8],             ipv6address[ 8],
527             ipv6address[ 9],             ipv6address[ 9],
528             ipv6address[10],             ipv6address[10],
529             ipv6address[11],             ipv6address[11],
530             ipv6address[12],             ipv6address[12],
531             ipv6address[13],             ipv6address[13],
532             ipv6address[14],             ipv6address[14],
533             ipv6address[15]);             ipv6address[15]);
534    } // else if    } // else if
535    else { // unknown address family    else { // unknown address family
536      fprintf(stderr, "%s:%s: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, addressfamily, 0x04, 0x06);      fprintf(stderr, "%s:%s: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, addressfamily, 0x04, 0x06);
537      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
538    } // else    } // else
539    
540    macaddress[0] = read8u();    if (follow_specification == true) {
541    macaddress[1] = read8u();      macaddress[0] = read8u();
542    macaddress[2] = read8u();      macaddress[1] = read8u();
543    macaddress[3] = read8u();      macaddress[2] = read8u();
544    macaddress[4] = read8u();      macaddress[3] = read8u();
545    macaddress[5] = read8u();      macaddress[4] = read8u();
546        macaddress[5] = read8u();
547    
548    print_indentation();      print_indentation();
549    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);      printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
550    
551    lastseen = read64s();      lastseen = read64s();
552    
553    print_indentation();      print_indentation();
554    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);      printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
555    print_time_t(lastseen);      print_time_t(lastseen);
556    puts("");      puts("");
557      } // if
558      else {
559        lastseen = read64s();
560    
561        print_indentation();
562        printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
563        print_time_t(lastseen);
564        puts("");
565    
566        macaddress[0] = read8u();
567        macaddress[1] = read8u();
568        macaddress[2] = read8u();
569        macaddress[3] = read8u();
570        macaddress[4] = read8u();
571        macaddress[5] = read8u();
572    
573        print_indentation();
574        printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
575      } // else
576    
577    hostnamelen = read8u();    hostnamelen = read8u();
578    
579    print_indentation();    print_indentation();
580    printf("Hostname length %d\n", hostnamelen);    printf("Hostname length %d\n", hostnamelen);
581    
582    for (i = 0; i < hostnamelen; i++) {    for (i = 0; i < hostnamelen; i++) {
583      hostname[i] = read8u();      hostname[i] = read8u();
584    } // for    } // for
585    hostname[i] = '\0';    hostname[i] = '\0';
586    
587    print_indentation();    print_indentation();
588    printf("Hostname %s\n", hostname);    printf("Hostname %s\n", hostname);
589    
590    bytesin = read64u();    bytesin = read64u();
591    
# Line 860  unsigned long read64u(void) Line 911  unsigned long read64u(void)
911    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
912      handle_file_error();      handle_file_error();
913    } // if    } // if
914    
915  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
916    v = ntohl(v);    v = ntohl(v);
917  #endif  #endif
918    
919    return v;    return v;
920  } // read32s()  } // read32s()
921    
922  unsigned long read64u(void)  unsigned long read64u(void)
923  {  {
924    size_t r;    size_t r;
925    unsigned long v;    unsigned long v;
   unsigned int *p = (unsigned int *)&v;  
926    
927    #ifdef __LITTLE_ENDIAN__
928      unsigned long tmp;
929      unsigned int *p1 = (unsigned int *)&v;
930      unsigned int *p2 = (unsigned int *)&tmp;
931    #endif
932    
933    //fprintf(stderr, "%s: sizeof(unsigned long) = %ld\n", progname, sizeof(v));    //fprintf(stderr, "%s: sizeof(unsigned long) = %ld\n", progname, sizeof(v));
934    
935    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
936      handle_file_error();      handle_file_error();
937    } // if    } // if
938    
939  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
940    p[0] = ntohl((unsigned int)p[0]);    p2[1] = ntohl(p1[0]);
941    p[1] = ntohl((unsigned int)p[1]);    p2[0] = ntohl(p1[1]);
942      v = tmp;
943  #endif  #endif
944    
945    return v;    return v;
946  } // read64u()  } // read64u()
947    
948  signed long read64s(void)  signed long read64s(void)
949  {  {
950    size_t r;    size_t r;
951    signed long v;    signed long v;
   signed int *p = (signed int *)&v;  
952    
953    #ifdef __LITTLE_ENDIAN__
954      signed long tmp;
955      signed int *p1 = (signed int *)&v;
956      signed int *p2 = (signed int *)&tmp;
957    #endif
958    
959    //fprintf(stderr, "%s: sizeof(signed long) = %ld\n", progname, sizeof(v));    //fprintf(stderr, "%s: sizeof(signed long) = %ld\n", progname, sizeof(v));
960    
961    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
962      handle_file_error();      handle_file_error();
963    } // if    } // if
964    
965  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
966    p[0] = ntohl((signed int)p[0]);    p2[1] = ntohl(p1[0]);
967    p[1] = ntohl((signed int)p[1]);    p2[0] = ntohl(p1[1]);
968      v = tmp;
969  #endif  #endif
970    
971    return v;    return v;
972  } // read64s()  } // read64s()
973    
974  void handle_file_error(void)  void handle_file_error(void)
975  {  {
976    if (feof(file) != 0) {    if (feof(file) != 0) {
977      fprintf(stderr, "%s:%s: premature end-of-file\n", progname, filename);      fprintf(stderr, "%s:%s: premature end-of-file\n", progname, filename);
978      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
979    } // if    } // if
980    
981    if (ferror(file) != 0) {    if (ferror(file) != 0) {
982      fprintf(stderr, "%s:%s: file error, errno = %s (%d)\n", progname, filename, strerror(errno), errno);      fprintf(stderr, "%s:%s: file error, errno = %s (%d)\n", progname, filename, strerror(errno), errno);
983      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);

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