/[darkstattype]/trunk/darkstattype.c
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Revision 5 by trond, 2014-03-19T09:13:57Z Revision 20 by trond, 2014-04-09T10:26:49Z
# Line 1  Line 1 
1  /*  /*                                               -*- coding: utf-8 -*-
2   darkstattype.c - Program to decode darkstat's dumpfile.   darkstattype.c - Program to decode darkstat's dumpfile.
3    
4   $Ximalas$   $Ximalas$
5    
6   Tested on FreeBSD/amd64 stable/9 r263290 with clang 3.3.   Tested on FreeBSD/i386  stable/8 r255624 with gcc 4.2.1.
7     Tested on FreeBSD/amd64 stable/9 r263963 with clang 3.3.
8     Tested on FreeBSD/amd64 stable/9 r263963 with clang 3.3 using -m32.
9    
10   Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>   Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>
11   All rights reserved.   All rights reserved.
12    
13   Redistribution and use in source and binary forms, with or without   Redistribution and use in source and binary forms, with or without
14   modification, are permitted provided that the following conditions are met:   modification, are permitted provided that the following conditions are met:
15    
16   1. Redistributions of source code must retain the above copyright notice, this   1. Redistributions of source code must retain the above copyright notice, this
17      list of conditions and the following disclaimer.      list of conditions and the following disclaimer.
18   2. Redistributions in binary form must reproduce the above copyright notice,   2. Redistributions in binary form must reproduce the above copyright notice,
19      this list of conditions and the following disclaimer in the documentation      this list of conditions and the following disclaimer in the documentation
20      and/or other materials provided with the distribution.      and/or other materials provided with the distribution.
21    
22   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
23   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25   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
26   ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES   ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30   (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
31   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */  */
33    
34  #include <errno.h>  #include <errno.h>
35    #include <stdbool.h>
36    #include <stdint.h>
37  #include <stdio.h>  #include <stdio.h>
38  #include <stdlib.h>  #include <stdlib.h>
39  #include <string.h>  #include <string.h>
40  #include <time.h>  #include <time.h>
41  #include <unistd.h>  #include <unistd.h>
42    
43  const char * progname = NULL;  const char *progname = NULL;
44  const char * filename = NULL;  const char *filename = NULL;
45  FILE *file = NULL;  FILE *file = NULL;
46    bool follow_specification = false;
47    
48  int main(int argc, char **argv)  int main(int argc, char **argv)
49  {  {
50    void show_usage(int exitcode);    void show_usage(int exitcode);
51    void show_version(void);    void show_version(void);
52    void decode_file(void);    void decode_file(void);
53    
54    int i;    int i;
55    
56    progname = argv[0];    progname = argv[0];
57    
58    opterr = 0;    opterr = 0;
59    while ( (i = getopt(argc, argv, "hv")) != -1) {    while ( (i = getopt(argc, argv, "fhv")) != -1) {
60      switch (i) {      switch (i) {
61          case 'f':
62            follow_specification = !follow_specification;
63            break;
64    
65        case 'h':        case 'h':
66          show_usage(EXIT_SUCCESS);          show_usage(EXIT_SUCCESS);
67          break;          break;
68    
69        case 'v':        case 'v':
70          show_version();          show_version();
71          break;          break;
72    
73        case '?':        case '?':
74          /*FALLTHROUGH*/          /*FALLTHROUGH*/
75        default:        default:
76          fprintf(stderr, "%s: illegal option -%c\n\n", progname, optopt);          fprintf(stderr, "%s: illegal option -%c\n\n",
77                    progname, optopt);
78          show_usage(EXIT_FAILURE);          show_usage(EXIT_FAILURE);
79          break;          break;
80      } // switch      } // switch
81    }  // while    }  // while
82    argc -= optind;    argc -= optind;
83    argv += optind;    argv += optind;
84    
85    if (argv[0] == NULL) {    if (*argv == NULL) {
86      fprintf(stderr, "%s: missing filename\n\n", progname);      fprintf(stderr, "%s: missing filename\n\n",
87                progname);
88      show_usage(EXIT_FAILURE);      show_usage(EXIT_FAILURE);
89    } // if    } // if
90    
91    filename = argv[0];    while (*argv != NULL) {
92        filename = *argv;
93    
94    decode_file();      decode_file();
95    
96        argv++;
97      } // while
98    
99    return EXIT_SUCCESS;    return EXIT_SUCCESS;
100  } // main()  } // main()
101    
102  void show_usage(int exitcode)  void show_usage(int exitcode)
103  {  {
104    fprintf((exitcode == EXIT_SUCCESS) ? stdout : stderr,    fprintf((exitcode == EXIT_SUCCESS) ? stdout : stderr,
105      "Usage: %s [-h] [-v] filename\n"      "Usage: %s [-f | -h | -v] filename [...]\n"
106      " E.g.: %s darkstat.db\n",      " E.g.: %s darkstat.db\n\n"
107    
108        "Options:\n"
109        "-f\tToggle follow strict specification, default is false.\n"
110        "-h\tShow this help message and exit.\n"
111        "-v\tShow version and copyright and exit.\n",
112      progname, progname);      progname, progname);
113    
114    exit(exitcode);    exit(exitcode);
115  } // show_usage()  } // show_usage()
116    
117  void show_version(void)  void show_version(void)
118  {  {
119    puts("darkstattype 1.0");    puts("darkstattype 1.0");
120    puts("$Ximalas$");    puts("$Ximalas$");
121    puts("");    puts("");
122    
123    puts("Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>");    puts("Copyright © 2014, Trond Endrestøl <Trond.Endrestol@ximalas.info>");
124    puts("All rights reserved.");    puts("All rights reserved.");
125    puts("");    puts("");
126    puts("Redistribution and use in source and binary forms, with or without");    puts("Redistribution and use in source and binary forms, with or without");
127    puts("modification, are permitted provided that the following conditions are met:");    puts("modification, are permitted provided that the following conditions are met:");
128    puts("");    puts("");
129    puts("1. Redistributions of source code must retain the above copyright notice, this");    puts("1. Redistributions of source code must retain the above copyright notice, this");
130    puts("   list of conditions and the following disclaimer.");    puts("   list of conditions and the following disclaimer.");
131    puts("2. Redistributions in binary form must reproduce the above copyright notice,");    puts("2. Redistributions in binary form must reproduce the above copyright notice,");
132    puts("   this list of conditions and the following disclaimer in the documentation");    puts("   this list of conditions and the following disclaimer in the documentation");
133    puts("   and/or other materials provided with the distribution.");    puts("   and/or other materials provided with the distribution.");
134    puts("");    puts("");
135    puts("THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND");    puts("THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND");
136    puts("ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED");    puts("ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED");
137    puts("WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE");    puts("WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE");
138    puts("DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR");    puts("DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR");
139    puts("ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES");    puts("ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES");
140    puts("(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;");    puts("(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;");
141    puts("LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND");    puts("LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND");
142    puts("ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT");    puts("ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT");
143    puts("(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS");    puts("(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS");
144    puts("SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.");    puts("SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.");
145    
146    exit(EXIT_SUCCESS);    exit(EXIT_SUCCESS);
147  } // show_version()  } // show_version()
148    
149  /*  uint8_t  read8u(void);
150  With clang 3.3 on FreeBSD/amd64 stable/9 r263290:   int8_t  read8s(void);
151    uint16_t read16u(void);
152     int16_t read16s(void);
153    uint32_t read32u(void);
154     int32_t read32s(void);
155    uint64_t read64u(void);
156     int64_t read64s(void);
157    
 char  = 1 byte  =  8 bits  
 short = 2 bytes = 16 bits  
 int   = 4 bytes = 32 bits  
 long  = 8 bytes = 64 bits  
 */  
 unsigned  char read8u(void);  
   signed  char read8s(void);  
 unsigned short read16u(void);  
   signed short read16s(void);  
 unsigned   int read32u(void);  
   signed   int read32s(void);  
 unsigned  long read64u(void);  
   signed  long read64s(void);  
   
158  void indent(void);  void indent(void);
159  void exdent(void);  void exdent(void);
160  void print_indentation(void);  void print_indentation(void);
161    
162  void print_time_t(time_t t);  void print_time_t(time_t t);
163    
164  void decode_file(void)  void decode_file(void)
165  {  {
166    void decode_host_db_v1(void);    void decode_host_db_v1(void);
167    void decode_graph_db_v1(void);    void decode_graph_db_v1(void);
168    
169    unsigned int fileheader;    uint32_t fileheader;
170    unsigned int sectionheader;    uint32_t sectionheader;
171    
172    unsigned int i;    uint32_t i;
173    
174    if ( (file = fopen(filename, "rb")) == NULL) {    if ( (file = fopen(filename, "rb")) == NULL) {
175      fprintf(stderr, "%s: fopen(\"%s\") = %s (%d)\n", progname, filename, strerror(errno), errno);      fprintf(stderr, "%s: fopen(\"%s\") = %s (%d)\n",
176                progname, filename, strerror(errno), errno);
177      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
178    } // if    } // if
179    
180    if ( (fileheader = read32u()) != 0xDA314159U) { // not darkstat export format  #define FILE_HEADER_V1 0xDA314159U
181      fprintf(stderr, "%s:%s: file header = 0x%x, not 0x%x\n", progname, filename, fileheader, 0xDA314159U);  
182      if ( (fileheader = read32u()) != FILE_HEADER_V1) { // not darkstat export format
183        fprintf(stderr, "%s:%s:%ld: file header = 0x%x, not 0x%x\n",
184                progname, filename, ftell(file), fileheader, FILE_HEADER_V1);
185      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
186    } // if    } // if
187    
188    printf("File header 0x%x\n", fileheader);    printf("File header 0x%x\n", fileheader);
189    
190    // Possible section header for host_db v1 and later graph_db v1.    // Possible section header for host_db v1 and later graph_db v1.
191    indent();    indent();
192    
193    #define HOST_DB_V1 0xDA485301U
194    #define GRAPH_DB_V1 0xDA475201U
195    
196    for (i = 0; i < 2; i++) {    for (i = 0; i < 2; i++) {
197      if ( (sectionheader = read32u()) == 0xDA485301U) {      if ( (sectionheader = read32u()) == HOST_DB_V1) {
198        print_indentation();        print_indentation();
199        printf("Section header 0x%x\n", sectionheader);        printf("Section header host_db v1 0x%x\n", sectionheader);
200        decode_host_db_v1();        decode_host_db_v1();
201      } // if      } // if
202      else if (sectionheader == 0xDA475201U) {      else if (sectionheader == GRAPH_DB_V1) {
203        print_indentation();        print_indentation();
204        printf("Section header 0x%x\n", sectionheader);        printf("Section header graph_db v1 0x%x\n", sectionheader);
205        decode_graph_db_v1();        decode_graph_db_v1();
206      } // else if      } // else if
207      else {      else {
208        fprintf(stderr, "%s:%s: unknown section header = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, sectionheader, 0xDA485301U, 0xDA475201U);        fprintf(stderr,
209                  "%s:%s:%ld: unknown section header = 0x%x, neither 0x%x nor 0x%x\n",
210                  progname, filename, ftell(file), sectionheader, HOST_DB_V1,
211                  GRAPH_DB_V1);
212        exit(EXIT_FAILURE);        exit(EXIT_FAILURE);
213      } // else      } // else
214    } // for    } // for
215    
216    exdent();    exdent();
217    
218      if (fclose(file) != 0) {
219        fprintf(stderr, "%s: fclose(\"%s\") = %s (%d)\n",
220                progname, filename, strerror(errno), errno);
221        exit(EXIT_FAILURE);
222      } // if
223  } // decode_file()  } // decode_file()
224    
225  void decode_host_db_v1(void)  void decode_host_db_v1(void)
226  {  {
227    void decode_host_header_v1(void);    void decode_host_header_v1(void);
228    void decode_host_header_v2(void);    void decode_host_header_v2(void);
229    void decode_host_header_v3(void);    void decode_host_header_v3(void);
230    
231    unsigned int hostcount;    uint32_t hostcount;
232    unsigned int i;    uint32_t i;
233    
234    indent();    indent();
235    
236    hostcount = read32u();    hostcount = read32u();
237    
238    print_indentation();    print_indentation();
239    printf("Host count %u\n", hostcount);    printf("Host count %u\n",
240             hostcount);
241    
242    for (i = 0; i < hostcount; i++) {    for (i = 0; i < hostcount; i++) {
243      unsigned int hostheader;      uint32_t hostheader;
244    
245      print_indentation();      print_indentation();
246      printf("Host #%u of %u:\n", i + 1, hostcount);      printf("Host #%u of %u:\n",
247               i + 1, hostcount);
248    
249      indent();      indent();
250    
251      if ( (hostheader = read32u()) == 0x48535403U) { // host header v3  #define HOST_HEADER_V3 0x48535403U
252    #define HOST_HEADER_V2 0x48535402U
253    #define HOST_HEADER_V1 0x48535401U
254    
255        if ( (hostheader = read32u()) == HOST_HEADER_V3) { // host header v3
256        print_indentation();        print_indentation();
257        printf("Host header v3 0x%x\n", hostheader);        printf("Host header v3 0x%x\n",
258                 hostheader);
259        decode_host_header_v3();        decode_host_header_v3();
260      } // if      } // if
261      else if (hostheader == 0x48535402U) { // host header v2      else if (hostheader == HOST_HEADER_V2) { // host header v2
262        print_indentation();        print_indentation();
263        printf("Host header v2 0x%x\n", hostheader);        printf("Host header v2 0x%x\n",
264                 hostheader);
265        decode_host_header_v2();        decode_host_header_v2();
266      } // else if      } // else if
267      else if (hostheader == 0x48535401U) { // host header v1      else if (hostheader == HOST_HEADER_V1) { // host header v1
268        print_indentation();        print_indentation();
269        printf("Host header v1 0x%x\n", hostheader);        printf("Host header v1 0x%x\n",
270                 hostheader);
271        decode_host_header_v1();        decode_host_header_v1();
272      } // else if      } // else if
273      else { // unknown host header version      else { // unknown host header version
274        fprintf(stderr, "%s:%s: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n", progname, filename, hostheader, 0x48535403U, 0x48535402U, 0x48535401U);        fprintf(stderr,
275                  "%s:%s:%ld: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n",
276                  progname, filename, ftell(file), hostheader, HOST_HEADER_V3,
277                  HOST_HEADER_V2, HOST_HEADER_V1);
278        exit(EXIT_FAILURE);        exit(EXIT_FAILURE);
279      } // else      } // else
280    
281      exdent();      exdent();
282    } // for    } // for
283    
284    exdent();    exdent();
285  } // decode_host_db_v1()  } // decode_host_db_v1()
286    
287  void decode_protos_data(void);  void decode_protos_data(void);
288  void decode_tcp_data(void);  void decode_tcp_data(void);
289  void decode_udp_data(void);  void decode_udp_data(void);
290    
291  void decode_host_header_v1(void)  void decode_host_header_v1(void)
292  {  {
293    unsigned char ipv4address[4];    uint8_t  ipv4address[4];
294    unsigned char macaddress[6];    uint8_t  macaddress[6];
295    unsigned char hostnamelen;    uint8_t  hostnamelen;
296    unsigned char hostname[256];    uint8_t  hostname[256];
297    unsigned long bytesin;    uint64_t bytesin;
298    unsigned long bytesout;    uint64_t bytesout;
299    unsigned char protosdata;    uint8_t  protosdata;
300    unsigned char tcpdata;    uint8_t  tcpdata;
301    unsigned char udpdata;    uint8_t  udpdata;
302    
303    unsigned char i;    uint8_t  i;
304    
305    indent();    indent();
306    
307    ipv4address[0] = read8u();    ipv4address[0] = read8u();
308    ipv4address[1] = read8u();    ipv4address[1] = read8u();
309    ipv4address[2] = read8u();    ipv4address[2] = read8u();
310    ipv4address[3] = read8u();    ipv4address[3] = read8u();
311    
312    print_indentation();    print_indentation();
313    printf("IPv4 address %d.%d.%d.%d\n",    printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
314           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
315    
316    macaddress[0] = read8u();    macaddress[0] = read8u();
317    macaddress[1] = read8u();    macaddress[1] = read8u();
318    macaddress[2] = read8u();    macaddress[2] = read8u();
319    macaddress[3] = read8u();    macaddress[3] = read8u();
320    macaddress[4] = read8u();    macaddress[4] = read8u();
321    macaddress[5] = read8u();    macaddress[5] = read8u();
322    
323    print_indentation();    print_indentation();
324    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 %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
325             macaddress[0], macaddress[1], macaddress[2],
326             macaddress[3], macaddress[4], macaddress[5]);
327    
328    hostnamelen = read8u();    hostnamelen = read8u();
329    
330    print_indentation();    print_indentation();
331    printf("Hostname length %d\n", hostnamelen);    printf("Hostname length %u\n",
332             hostnamelen);
333    
334    for (i = 0; i < hostnamelen; i++) {    for (i = 0; i < hostnamelen; i++) {
335      hostname[i] = read8u();      hostname[i] = read8u();
336    } // for    } // for
337    hostname[i] = '\0';    hostname[i] = '\0';
338    
339    print_indentation();    print_indentation();
340    printf("Hostname %s\n", hostname);    printf("Hostname %s\n",
341             hostname);
342    
343    bytesin = read64u();    bytesin = read64u();
344    
345    print_indentation();    print_indentation();
346    printf("Bytes in %lu\n", bytesin);    printf("Bytes in %llu\n",
347             (unsigned long long)bytesin);
348    
349    bytesout = read64u();    bytesout = read64u();
350    
351    print_indentation();    print_indentation();
352    printf("Bytes out %lu\n", bytesout);    printf("Bytes out %llu\n",
353             (unsigned long long)bytesout);
354    
355    if ( (protosdata = read8u()) != 'P') { // missing protos data    if ( (protosdata = read8u()) != 'P') { // missing protos data
356      fprintf(stderr, "%s: expecting character P, not %c\n", progname, protosdata);      fprintf(stderr,
357                "%s:%s:%ld: expecting character P, not %c\n",
358                progname, filename, ftell(file), protosdata);
359      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
360    } // if    } // if
361    
362    decode_protos_data();    decode_protos_data();
363    
364    if ( (tcpdata = read8u()) != 'T') { // missing tcp data    if ( (tcpdata = read8u()) != 'T') { // missing tcp data
365      fprintf(stderr, "%s: expecting character T, not %c\n", progname, tcpdata);      fprintf(stderr,
366                "%s:%s:%ld: expecting character T, not %c\n",
367                progname, filename, ftell(file), tcpdata);
368      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
369    } // if    } // if
370    
371    decode_tcp_data();    decode_tcp_data();
372    
373    if ( (udpdata = read8u()) != 'U') { // missing udp data    if ( (udpdata = read8u()) != 'U') { // missing udp data
374      fprintf(stderr, "%s: expecting character U, not %c\n", progname, udpdata);      fprintf(stderr,
375                "%s:%s:%ld: expecting character U, not %c\n",
376                progname, filename, ftell(file), udpdata);
377      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
378    } // if    } // if
379    
380    decode_udp_data();    decode_udp_data();
381    
382    exdent();    exdent();
383  } // decode_host_header_v1  } // decode_host_header_v1
384    
385  void decode_host_header_v2(void)  void decode_host_header_v2(void)
386  {  {
387    unsigned char ipv4address[4];    uint8_t  ipv4address[4];
388    unsigned char macaddress[6];    uint8_t  macaddress[6];
389      signed long lastseen;     int64_t lastseen;
390    unsigned char hostnamelen;    uint8_t  hostnamelen;
391    unsigned char hostname[256];    uint8_t  hostname[256];
392    unsigned long bytesin;    uint64_t bytesin;
393    unsigned long bytesout;    uint64_t bytesout;
394    unsigned char protosdata;    uint8_t  protosdata;
395    unsigned char tcpdata;    uint8_t  tcpdata;
396    unsigned char udpdata;    uint8_t  udpdata;
397    
398    unsigned char i;    uint8_t  i;
399    
400    indent();    indent();
401    
402    ipv4address[0] = read8u();    ipv4address[0] = read8u();
403    ipv4address[1] = read8u();    ipv4address[1] = read8u();
404    ipv4address[2] = read8u();    ipv4address[2] = read8u();
405    ipv4address[3] = read8u();    ipv4address[3] = read8u();
406    
407    print_indentation();    print_indentation();
408    printf("IPv4 address %d.%d.%d.%d\n",    printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
409           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);           ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
410    
411    macaddress[0] = read8u();    if (follow_specification == true) {
412    macaddress[1] = read8u();      macaddress[0] = read8u();
413    macaddress[2] = read8u();      macaddress[1] = read8u();
414    macaddress[3] = read8u();      macaddress[2] = read8u();
415    macaddress[4] = read8u();      macaddress[3] = read8u();
416    macaddress[5] = read8u();      macaddress[4] = read8u();
417        macaddress[5] = read8u();
418    
419    print_indentation();      print_indentation();
420    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 %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
421               macaddress[0], macaddress[1], macaddress[2],
422               macaddress[3], macaddress[4], macaddress[5]);
423    
424    lastseen = read64s();      lastseen = read64s();
425    
426    print_indentation();      print_indentation();
427    printf("Last seen %ld = ", lastseen);      printf("Last seen 0x%llx = %lld = ",
428    print_time_t(lastseen);             (unsigned long long)lastseen, (long long)lastseen);
429    puts("");      print_time_t(lastseen);
430        puts("");
431      } // if
432      else {
433        lastseen = read64s();
434    
435        print_indentation();
436        printf("Last seen 0x%llx = %lld = ",
437               (unsigned long long)lastseen, (long long)lastseen);
438        print_time_t(lastseen);
439        puts("");
440    
441        macaddress[0] = read8u();
442        macaddress[1] = read8u();
443        macaddress[2] = read8u();
444        macaddress[3] = read8u();
445        macaddress[4] = read8u();
446        macaddress[5] = read8u();
447    
448        print_indentation();
449        printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
450               macaddress[0], macaddress[1], macaddress[2],
451               macaddress[3], macaddress[4], macaddress[5]);
452      } // else
453    
454    hostnamelen = read8u();    hostnamelen = read8u();
455    
456    print_indentation();    print_indentation();
457    printf("Hostname length %d\n", hostnamelen);    printf("Hostname length %hhu\n",
458             hostnamelen);
459    
460    for (i = 0; i < hostnamelen; i++) {    for (i = 0; i < hostnamelen; i++) {
461      hostname[i] = read8u();      hostname[i] = read8u();
462    } // for    } // for
463    hostname[i] = '\0';    hostname[i] = '\0';
464    
465    print_indentation();    print_indentation();
466    printf("Hostname %s\n", hostname);    printf("Hostname %s\n",
467             hostname);
468    
469    bytesin = read64u();    bytesin = read64u();
470    
471    print_indentation();    print_indentation();
472    printf("Bytes in %lu\n", bytesin);    printf("Bytes in %llu\n",
473             (unsigned long long)bytesin);
474    
475    bytesout = read64u();    bytesout = read64u();
476    
477    print_indentation();    print_indentation();
478    printf("Bytes out %lu\n", bytesout);    printf("Bytes out %llu\n",
479             (unsigned long long)bytesout);
480    
481    if ( (protosdata = read8u()) != 'P') { // missing protos data    if ( (protosdata = read8u()) != 'P') { // missing protos data
482      fprintf(stderr, "%s: expecting character P, not %c\n", progname, protosdata);      fprintf(stderr,
483                "%s:%s:%ld: expecting character P, not %c\n",
484                progname, filename, ftell(file), protosdata);
485      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
486    } // if    } // if
487    
488    decode_protos_data();    decode_protos_data();
489    
490    if ( (tcpdata = read8u()) != 'T') { // missing tcp data    if ( (tcpdata = read8u()) != 'T') { // missing tcp data
491      fprintf(stderr, "%s: expecting character T, not %c\n", progname, tcpdata);      fprintf(stderr,
492                "%s:%s:%ld: expecting character T, not %c\n",
493                progname, filename, ftell(file), tcpdata);
494      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
495    } // if    } // if
496    
497    decode_tcp_data();    decode_tcp_data();
498    
499    if ( (udpdata = read8u()) != 'U') { // missing udp data    if ( (udpdata = read8u()) != 'U') { // missing udp data
500      fprintf(stderr, "%s: expecting character U, not %c\n", progname, udpdata);      fprintf(stderr,
501                "%s:%s:%ld: expecting character U, not %c\n",
502                progname, filename, ftell(file), udpdata);
503      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
504    } // if    } // if
505    
506    decode_udp_data();    decode_udp_data();
507    
508    exdent();    exdent();
509  } // decode_host_header_v2  } // decode_host_header_v2
510    
511  void decode_host_header_v3(void)  void decode_host_header_v3(void)
512  {  {
513    unsigned char addressfamily;    uint8_t  addressfamily;
514    unsigned char ipv4address[4];    uint8_t  ipv4address[4];
515    unsigned char ipv6address[16];    uint16_t ipv6address[8];
516    unsigned char macaddress[6];    uint8_t  macaddress[6];
517      signed long lastseen;     int64_t lastseen;
518    unsigned char hostnamelen;    uint8_t  hostnamelen;
519    unsigned char hostname[256];    uint8_t  hostname[256];
520    unsigned long bytesin;    uint64_t bytesin;
521    unsigned long bytesout;    uint64_t bytesout;
522    unsigned char protosdata;    uint8_t  protosdata;
523    unsigned char tcpdata;    uint8_t  tcpdata;
524    unsigned char udpdata;    uint8_t  udpdata;
525    
526    unsigned char i;    uint8_t  i;
527    
528    indent();    indent();
529    
530    if ( (addressfamily = read8u()) == 0x04) { // IPv4 address  #define A_F_4 0x04
531    #define A_F_6 0x06
532    
533      if ( (addressfamily = read8u()) == A_F_4) { // IPv4 address
534      print_indentation();      print_indentation();
535      printf("IPv4 address family (0x%02x)\n", addressfamily);      printf("IPv4 address family (0x%02hhx)\n",
536               addressfamily);
537    
538      ipv4address[0] = read8u();      ipv4address[0] = read8u();
539      ipv4address[1] = read8u();      ipv4address[1] = read8u();
540      ipv4address[2] = read8u();      ipv4address[2] = read8u();
541      ipv4address[3] = read8u();      ipv4address[3] = read8u();
542    
543      print_indentation();      print_indentation();
544      printf("IPv4 address %d.%d.%d.%d\n",      printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
545             ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);             ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
546    } // if    } // if
547    else if (addressfamily == 0x06) { // IPv6 address    else if (addressfamily == A_F_6) { // IPv6 address
548      print_indentation();      print_indentation();
549      printf("IPv6 address family (0x%02x)\n", addressfamily);      printf("IPv6 address family (0x%02hhx)\n",
550               addressfamily);
551    
552      ipv6address[ 0] = read8u();      ipv6address[0] = read16u();
553      ipv6address[ 1] = read8u();      ipv6address[1] = read16u();
554      ipv6address[ 2] = read8u();      ipv6address[2] = read16u();
555      ipv6address[ 3] = read8u();      ipv6address[3] = read16u();
556      ipv6address[ 4] = read8u();      ipv6address[4] = read16u();
557      ipv6address[ 5] = read8u();      ipv6address[5] = read16u();
558      ipv6address[ 6] = read8u();      ipv6address[6] = read16u();
559      ipv6address[ 7] = read8u();      ipv6address[7] = read16u();
     ipv6address[ 8] = read8u();  
     ipv6address[ 9] = read8u();  
     ipv6address[10] = read8u();  
     ipv6address[11] = read8u();  
     ipv6address[12] = read8u();  
     ipv6address[13] = read8u();  
     ipv6address[14] = read8u();  
     ipv6address[15] = read8u();  
560    
561      print_indentation();      print_indentation();
562      printf("IPv6 address %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n",      printf("IPv6 address %04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx\n",
563             ipv6address[ 0],             ipv6address[0], ipv6address[1], ipv6address[2], ipv6address[3],
564             ipv6address[ 1],             ipv6address[4], ipv6address[5], ipv6address[6], ipv6address[7]);
            ipv6address[ 2],  
            ipv6address[ 3],  
            ipv6address[ 4],  
            ipv6address[ 5],  
            ipv6address[ 6],  
            ipv6address[ 7],  
            ipv6address[ 8],  
            ipv6address[ 9],  
            ipv6address[10],  
            ipv6address[11],  
            ipv6address[12],  
            ipv6address[13],  
            ipv6address[14],  
            ipv6address[15]);  
565    } // else if    } // else if
566    else { // unknown address family    else { // unknown address family
567      fprintf(stderr, "%s:%s: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, addressfamily, 0x04, 0x06);      fprintf(stderr,
568                "%s:%s:%ld: unknown address family = 0x%hhx, neither 0x%x nor 0x%x\n",
569                progname, filename, ftell(file), addressfamily, A_F_4, A_F_6);
570      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
571    } // else    } // else
572    
573    macaddress[0] = read8u();    if (follow_specification == true) {
574    macaddress[1] = read8u();      macaddress[0] = read8u();
575    macaddress[2] = read8u();      macaddress[1] = read8u();
576    macaddress[3] = read8u();      macaddress[2] = read8u();
577    macaddress[4] = read8u();      macaddress[3] = read8u();
578    macaddress[5] = read8u();      macaddress[4] = read8u();
579        macaddress[5] = read8u();
580    
581    print_indentation();      print_indentation();
582    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 %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
583               macaddress[0], macaddress[1], macaddress[2],
584               macaddress[3], macaddress[4], macaddress[5]);
585    
586    lastseen = read64s();      lastseen = read64s();
587    
588    print_indentation();      print_indentation();
589    printf("Last seen %ld = ", lastseen);      printf("Last seen 0x%llx = %lld = ",
590    print_time_t(lastseen);             (unsigned long long)lastseen, (long long)lastseen);
591    puts("");      print_time_t(lastseen);
592        puts("");
593      } // if
594      else {
595        lastseen = read64s();
596    
597        print_indentation();
598        printf("Last seen 0x%llx = %lld = ",
599               (unsigned long long)lastseen, (long long)lastseen);
600        print_time_t(lastseen);
601        puts("");
602    
603        macaddress[0] = read8u();
604        macaddress[1] = read8u();
605        macaddress[2] = read8u();
606        macaddress[3] = read8u();
607        macaddress[4] = read8u();
608        macaddress[5] = read8u();
609    
610        print_indentation();
611        printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
612               macaddress[0], macaddress[1], macaddress[2],
613               macaddress[3], macaddress[4], macaddress[5]);
614      } // else
615    
616    hostnamelen = read8u();    hostnamelen = read8u();
617    
618    print_indentation();    print_indentation();
619    printf("Hostname length %d\n", hostnamelen);    printf("Hostname length %hhu\n",
620             hostnamelen);
621    
622    for (i = 0; i < hostnamelen; i++) {    for (i = 0; i < hostnamelen; i++) {
623      hostname[i] = read8u();      hostname[i] = read8u();
624    } // for    } // for
625    hostname[i] = '\0';    hostname[i] = '\0';
626    
627    print_indentation();    print_indentation();
628    printf("Hostname %s\n", hostname);    printf("Hostname %s\n",
629             hostname);
630    
631    bytesin = read64u();    bytesin = read64u();
632    
633    print_indentation();    print_indentation();
634    printf("Bytes in %lu\n", bytesin);    printf("Bytes in %llu\n",
635             (unsigned long long)bytesin);
636    
637    bytesout = read64u();    bytesout = read64u();
638    
639    print_indentation();    print_indentation();
640    printf("Bytes out %lu\n", bytesout);    printf("Bytes out %llu\n",
641             (unsigned long long)bytesout);
642    
643    if ( (protosdata = read8u()) != 'P') { // missing protos data    if ( (protosdata = read8u()) != 'P') { // missing protos data
644      fprintf(stderr, "%s: expecting character P, not %c\n", progname, protosdata);      fprintf(stderr,
645                "%s:%s:%ld: expecting character P, not %c\n",
646                progname, filename, ftell(file), protosdata);
647      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
648    } // if    } // if
649    
650    decode_protos_data();    decode_protos_data();
651    
652    if ( (tcpdata = read8u()) != 'T') { // missing tcp data    if ( (tcpdata = read8u()) != 'T') { // missing tcp data
653      fprintf(stderr, "%s: expecting character T, not %c\n", progname, tcpdata);      fprintf(stderr,
654                "%s:%s:%ld: expecting character T, not %c\n",
655                progname, filename, ftell(file), tcpdata);
656      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
657    } // if    } // if
658    
659    decode_tcp_data();    decode_tcp_data();
660    
661    if ( (udpdata = read8u()) != 'U') { // missing udp data    if ( (udpdata = read8u()) != 'U') { // missing udp data
662      fprintf(stderr, "%s: expecting character U, not %c\n", progname, udpdata);      fprintf(stderr,
663                "%s:%s:%ld: expecting character U, not %c\n",
664                progname, filename, ftell(file), udpdata);
665      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
666    } // if    } // if
667    
668    decode_udp_data();    decode_udp_data();
669    
670    exdent();    exdent();
671  } // decode_host_header_v3  } // decode_host_header_v3
672    
673  void decode_protos_data(void)  void decode_protos_data(void)
674  {  {
675    unsigned char ipprotocount;    uint8_t ipprotocount;
676    
677    unsigned char u;    uint8_t i;
678    
679    ipprotocount = read8u();    ipprotocount = read8u();
680    
681    print_indentation();    print_indentation();
682    printf("IP Proto count %d\n", ipprotocount);    printf("IP Proto count %hhu\n",
683             ipprotocount);
684    
685    indent();    indent();
686    
687    for (u = 0; u < ipprotocount; u++) {    for (i = 0; i < ipprotocount; i++) {
688      unsigned char proto;      uint8_t  proto;
689      unsigned long in;      uint64_t in;
690      unsigned long out;      uint64_t out;
691    
692      print_indentation();      print_indentation();
693      printf("Protocol #%u of %u:\n", u + 1, ipprotocount);      printf("Protocol #%u of %hhu:\n",
694               i + 1, ipprotocount);
695    
696      proto = read8u();      proto = read8u();
697    
698      indent();      indent();
699      print_indentation();      print_indentation();
700      printf("Protocol 0x%02x\n", proto);      printf("Protocol 0x%02hhx\n",
701               proto);
702    
703      in = read64u();      in = read64u();
704    
705      print_indentation();      print_indentation();
706      printf("In %lu\n", in);      printf("In %llu\n",
707               (unsigned long long)in);
708    
709      out = read64u();      out = read64u();
710    
711      print_indentation();      print_indentation();
712      printf("Out %lu\n", out);      printf("Out %llu\n",
713               (unsigned long long)out);
714    
715      exdent();      exdent();
716    } // for    } // for
717    
718    exdent();    exdent();
719  } // decode_protos_data();  } // decode_protos_data();
720    
721  void decode_tcp_data(void)  void decode_tcp_data(void)
722  {  {
723    unsigned char tcpprotocount;    uint8_t  tcpprotocount;
724    
725    unsigned short i;    uint16_t i;
726    
727    tcpprotocount = read16u();    tcpprotocount = read16u();
728    
729    print_indentation();    print_indentation();
730    printf("TCP proto count %d\n", tcpprotocount);    printf("TCP proto count %hhu\n",
731             tcpprotocount);
732    
733    indent();    indent();
734    
735    for (i = 0; i < tcpprotocount; i++) {    for (i = 0; i < tcpprotocount; i++) {
736      unsigned short port;      uint16_t port;
737      unsigned long syn;      uint64_t syn;
738      unsigned long in;      uint64_t in;
739      unsigned long out;      uint64_t out;
740    
741      port = read16u();      port = read16u();
742    
743      print_indentation();      print_indentation();
744      printf("Port %d:\n", port);      printf("Port %hu:\n",
745               port);
746    
747      syn = read64u();      syn = read64u();
748    
749      indent();      indent();
750      print_indentation();      print_indentation();
751      printf("SYN %lu\n", syn);      printf("SYN %llu\n",
752               (unsigned long long)syn);
753    
754      in = read64u();      in = read64u();
755    
756      print_indentation();      print_indentation();
757      printf("In %lu\n", in);      printf("In %llu\n",
758               (unsigned long long)in);
759    
760      out = read64u();      out = read64u();
761    
762      print_indentation();      print_indentation();
763      printf("Out %lu\n", out);      printf("Out %llu\n",
764               (unsigned long long)out);
765    
766      exdent();      exdent();
767    } // for    } // for
768    
769    exdent();    exdent();
770  } // decode_tcp_data()  } // decode_tcp_data()
771    
772  void decode_udp_data(void)  void decode_udp_data(void)
773  {  {
774    unsigned char udpprotocount;    uint8_t  udpprotocount;
775    
776    unsigned short i;    uint16_t i;
777    
778    udpprotocount = read16u();    udpprotocount = read16u();
779    
780    print_indentation();    print_indentation();
781    printf("UDP proto count %d\n", udpprotocount);    printf("UDP proto count %hhu\n",
782             udpprotocount);
783    
784    indent();    indent();
785    
786    for (i = 0; i < udpprotocount; i++) {    for (i = 0; i < udpprotocount; i++) {
787      unsigned short port;      uint16_t port;
788      unsigned long in;      uint64_t in;
789      unsigned long out;      uint64_t out;
790    
791      port = read16u();      port = read16u();
792    
793      print_indentation();      print_indentation();
794      printf("Port %d:\n", port);      printf("Port %hu:\n",
795               port);
796    
797      in = read64u();      in = read64u();
798    
799      indent();      indent();
800      print_indentation();      print_indentation();
801      printf("In %lu\n", in);      printf("In %llu\n",
802               (unsigned long long)in);
803    
804      out = read64u();      out = read64u();
805    
806      print_indentation();      print_indentation();
807      printf("Out %lu\n", out);      printf("Out %llu\n",
808               (unsigned long long)out);
809    
810      exdent();      exdent();
811    } // for    } // for
812    
813    exdent();    exdent();
814  } // decode_udp_data()  } // decode_udp_data()
815    
816  void decode_graph_db_v1(void)  void decode_graph_db_v1(void)
817  {  {
818    signed long lasttime;    int64_t  lasttime;
819    
820    unsigned int i;    uint32_t i;
821    
822    lasttime = read64s();    lasttime = read64s();
823    
824    indent();    indent();
825    print_indentation();    print_indentation();
826    printf("Last time %ld = ", lasttime);    printf("Last time 0x%llx = %lld = ",
827             (unsigned long long)lasttime, (long long)lasttime);
828    print_time_t(lasttime);    print_time_t(lasttime);
829    puts("");    puts("");
830    
831    for (i = 0; i < 4; i++) {    for (i = 0; i < 4; i++) {
832      unsigned char nbars;      uint8_t  nbars;
833      unsigned char idxlastbar;      uint8_t  idxlastbar;
834    
835      unsigned int j;      uint32_t j;
836    
837      print_indentation();      print_indentation();
838      printf("Graph #%d of 4:\n", i + 1);      printf("Graph #%u of 4:\n",
839               i + 1);
840    
841      nbars = read8u();      nbars = read8u();
842    
843      indent();      indent();
844      print_indentation();      print_indentation();
845      printf("Number of bars %u\n", nbars);      printf("Number of bars %hhu\n",
846               nbars);
847    
848      idxlastbar = read8u();      idxlastbar = read8u();
849    
850      print_indentation();      print_indentation();
851      printf("Index of last bar %u\n", idxlastbar);      printf("Index of last bar %hhu\n",
852               idxlastbar);
853    
854      indent();      indent();
855      for (j = 0; j < idxlastbar; j++) {      for (j = 0; j < idxlastbar; j++) {
856        unsigned long in;        uint64_t in;
857        unsigned long out;        uint64_t out;
858    
859        print_indentation();        print_indentation();
860        printf("Bar #%u of %u:\n", j + 1, idxlastbar);        printf("Bar #%u of %hhu:\n",
861                 j + 1, idxlastbar);
862    
863        in = read64u();        in = read64u();
864    
865        indent();        indent();
866        print_indentation();        print_indentation();
867        printf("In %lu\n", in);        printf("In %llu\n",
868                 (unsigned long long)in);
869    
870        out = read64u();        out = read64u();
871    
872        print_indentation();        print_indentation();
873        printf("Out %lu\n", out);        printf("Out %llu\n",
874                 (unsigned long long)out);
875    
876        exdent();        exdent();
877      } // for      } // for
878      exdent();      exdent();
879    
880      exdent();      exdent();
881    } // for    } // for
882    
883    exdent();    exdent();
884  } // decode_graph_db_v1()  } // decode_graph_db_v1()
885    
886  void handle_file_error(void);  void handle_file_error(void);
887    
888  unsigned char read8u(void)  uint8_t read8u(void)
889  {  {
890    size_t r;    size_t r;
891    unsigned char v;    uint8_t v;
892    
   //fprintf(stderr, "%s: sizeof(unsigned char) = %ld\n", progname, sizeof(v));  
   
893    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
894      handle_file_error();      handle_file_error();
895    } // if    } // if
896    
897    return v;    return v;
898  } // read8u()  } // read8u()
899    
900  signed char read8s(void)  int8_t read8s(void)
901  {  {
902    size_t r;    size_t r;
903    signed char v;    int8_t v;
904    
   //fprintf(stderr, "%s: sizeof(signed char) = %ld\n", progname, sizeof(v));  
   
905    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
906      handle_file_error();      handle_file_error();
907    } // if    } // if
908    
909    return v;    return v;
910  } // read8s()  } // read8s()
911    
912  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
913  #include <netinet/in.h>  #include <netinet/in.h>
914  #endif  #endif
915    
916  unsigned short read16u(void)  uint16_t read16u(void)
917  {  {
918    size_t r;    size_t r;
919    unsigned short v;    uint16_t v;
920    
   //fprintf(stderr, "%s: sizeof(unsigned short) = %ld\n", progname, sizeof(v));  
   
921    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
922      handle_file_error();      handle_file_error();
923    } // if    } // if
924    
925  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
926    v = ntohs(v);    v = ntohs(v);
927  #endif  #endif
928    
929    return v;    return v;
930  } // read16u()  } // read16u()
931    
932  signed short read16s(void)  int16_t read16s(void)
933  {  {
934    size_t r;    size_t r;
935    signed short v;    int16_t v;
936    
   //fprintf(stderr, "%s: sizeof(signed short) = %ld\n", progname, sizeof(v));  
   
937    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
938      handle_file_error();      handle_file_error();
939    } // if    } // if
940    
941  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
942    v = ntohs(v);    v = ntohs(v);
943  #endif  #endif
944    
945    return v;    return v;
946  } // read16s()  } // read16s()
947    
948  unsigned int read32u(void)  uint32_t read32u(void)
949  {  {
950    size_t r;    size_t r;
951    unsigned int v;    uint32_t v;
952    
   //fprintf(stderr, "%s: sizeof(unsigned int) = %ld\n", progname, sizeof(v));  
   
953    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
954      handle_file_error();      handle_file_error();
955    } // if    } // if
956    
957  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
958    v = ntohl(v);    v = ntohl(v);
959  #endif  #endif
960    
961    return v;    return v;
962  } // read32u()  } // read32u()
963    
964  signed int read32s(void)  int32_t read32s(void)
965  {  {
966    size_t r;    size_t r;
967    signed int v;    int32_t v;
968    
   //fprintf(stderr, "%s: sizeof(signed int) = %ld\n", progname, sizeof(v));  
   
969    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
970      handle_file_error();      handle_file_error();
971    } // if    } // if
972    
973  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
974    v = ntohl(v);    v = ntohl(v);
975  #endif  #endif
976    
977    return v;    return v;
978  } // read32s()  } // read32s()
979    
980  unsigned long read64u(void)  uint64_t read64u(void)
981  {  {
982    size_t r;    size_t r;
983    unsigned long v;    uint64_t v;
   unsigned int *p = (unsigned int *)&v;  
984    
985    //fprintf(stderr, "%s: sizeof(unsigned long) = %ld\n", progname, sizeof(v));  #ifdef __LITTLE_ENDIAN__
986      uint64_t tmp;
987      uint32_t *p1 = (uint32_t *)&v;
988      uint32_t *p2 = (uint32_t *)&tmp;
989    #endif
990    
991    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
992      handle_file_error();      handle_file_error();
993    } // if    } // if
994    
995  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
996    p[0] = ntohl((unsigned int)p[0]);    p2[1] = ntohl(p1[0]);
997    p[1] = ntohl((unsigned int)p[1]);    p2[0] = ntohl(p1[1]);
998      v = tmp;
999  #endif  #endif
1000    
1001    return v;    return v;
1002  } // read64u()  } // read64u()
1003    
1004  signed long read64s(void)  int64_t read64s(void)
1005  {  {
1006    size_t r;    size_t r;
1007    signed long v;    int64_t v;
   signed int *p = (signed int *)&v;  
1008    
1009    //fprintf(stderr, "%s: sizeof(signed long) = %ld\n", progname, sizeof(v));  #ifdef __LITTLE_ENDIAN__
1010      int64_t tmp;
1011      int32_t *p1 = (int32_t *)&v;
1012      int32_t *p2 = (int32_t *)&tmp;
1013    #endif
1014    
1015    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {    if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) {
1016      handle_file_error();      handle_file_error();
1017    } // if    } // if
1018    
1019  #ifdef __LITTLE_ENDIAN__  #ifdef __LITTLE_ENDIAN__
1020    p[0] = ntohl((signed int)p[0]);    p2[1] = ntohl(p1[0]);
1021    p[1] = ntohl((signed int)p[1]);    p2[0] = ntohl(p1[1]);
1022      v = tmp;
1023  #endif  #endif
1024    
1025    return v;    return v;
1026  } // read64s()  } // read64s()
1027    
1028  void handle_file_error(void)  void handle_file_error(void)
1029  {  {
1030      int saved_errno = errno;
1031    
1032    if (feof(file) != 0) {    if (feof(file) != 0) {
1033      fprintf(stderr, "%s:%s: premature end-of-file\n", progname, filename);      fprintf(stderr,
1034                "%s:%s:%ld: premature end-of-file\n",
1035                progname, filename, ftell(file));
1036      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
1037    } // if    } // if
1038    
1039    if (ferror(file) != 0) {    if (ferror(file) != 0) {
1040      fprintf(stderr, "%s:%s: file error, errno = %s (%d)\n", progname, filename, strerror(errno), errno);      fprintf(stderr,
1041                "%s:%s:%ld: file error, errno = %s (%d)\n",
1042                progname, filename, ftell(file),
1043                strerror(saved_errno), saved_errno);
1044      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
1045    } // if    } // if
1046  } // handle_file_error()  } // handle_file_error()
1047    
1048  signed long long indentation = 0LL;  int64_t indentation = 0LL;
1049    
1050  void indent(void)  void indent(void)
1051  {  {
1052    indentation += 2LL;    if (indentation < (INT64_MAX - 2LL)) {
1053        indentation += 2LL;
1054      } // if
1055  } // indent()  } // indent()
1056    
1057  void exdent(void)  void exdent(void)
1058  {  {
1059    indentation -= 2LL;    indentation -= 2LL;
1060    
1061    if (indentation < 0LL) {    if (indentation < 0LL) {
1062      indentation = 0LL;      indentation = 0LL;
1063    }// if    }// if
1064  } // exdent()  } // exdent()
1065    
1066  void print_indentation(void)  void print_indentation(void)
1067  {  {
1068    signed long long i;    int64_t i;
1069    
1070    for (i = 0; i < indentation; i++) {    for (i = 0; i < indentation; i++) {
1071      putchar(' ');      putchar(' ');
1072    } // for    } // for
1073  } // print_indentation()  } // print_indentation()
1074    
1075  void print_time_t(time_t t)  void print_time_t(time_t t)
1076  {  {
1077    struct tm *stm;    struct tm *stm;
1078    char buffer[1024];    char buffer[1024];
1079    
1080    stm = gmtime(&t);    stm = gmtime(&t);
1081    
1082    // ISO 8601 format    // ISO 8601 format
1083    if (strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%S%z", stm) == 0) {    if (strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%S%z", stm) == 0) {
1084      fprintf(stderr, "%s:%s: strftime() error, errno = %s (%d)\n", progname, filename, strerror(errno), errno);      int saved_errno = errno;
1085    
1086        fprintf(stderr,
1087                "%s:%s:%ld: strftime() error, errno = %s (%d)\n",
1088                progname, filename, ftell(file),
1089                strerror(saved_errno), saved_errno);
1090      exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
1091    } // if    } // if
1092    
1093    fputs(buffer, stdout);    fputs(buffer, stdout);
1094  } // print_time_t()  } // print_time_t()
1095    
1096  // darkstattype.c  // darkstattype.c

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