Qt: fix assertion failure when redissecting with a debug build of Qt
[metze/wireshark/wip.git] / randpkt.c
index 0b83e8c3c438f960b27e400872b9f1925a95bc91..a39cbf53dedcee27a8c75d3adc4e999d6395cb9b 100644 (file)
--- a/randpkt.c
+++ b/randpkt.c
  * Creates random packet traces. Useful for debugging sniffers by testing
  * assumptions about the veracity of the data found in the packet.
  *
- * $Id: randpkt.c,v 1.17 2002/10/16 14:45:27 gerald Exp $
- *
  * Copyright (C) 1999 by Gilbert Ramirez <gram@alumni.rice.edu>
  *
- * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
-#ifdef NEED_GETOPT_H
-#include "getopt.h"
-#endif
+#include <glib.h>
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wsutil/clopts_common.h>
+#include <wsutil/cmdarg_err.h>
+#include <wsutil/unicode-utils.h>
+#include <wsutil/file_util.h>
+#include <wsutil/filesystem.h>
+#include <wsutil/privileges.h>
+
+#ifdef HAVE_PLUGINS
+#include <wsutil/plugins.h>
 #endif
 
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
+#include <wsutil/report_message.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
 #endif
 
-#include <time.h>
-#include <errno.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include "wiretap/wtap.h"
-
-#define array_length(x)        (sizeof x / sizeof x[0])
-
-/* Types of produceable packets */
-enum {
-       PKT_ARP,
-       PKT_DNS,
-       PKT_ETHERNET,
-       PKT_FDDI,
-       PKT_ICMP,
-       PKT_IP,
-       PKT_LLC,
-       PKT_NBNS,
-       PKT_SYSLOG,
-       PKT_TCP,
-       PKT_TR,
-       PKT_UDP,
-       PKT_BVLC,
-       PKT_NCP2222,
-       PKT_GIOP,
-       PKT_BGP,
-};
-
-typedef struct {
-       char    *abbrev;
-       char    *longname;
-       int     produceable_type;
-       guint8  *sample_buffer;
-       int     sample_wtap_encap;
-       int     sample_length;
-} pkt_example;
-
-/* Ethernet, indicating ARP */
-guint8 pkt_arp[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x00, 0x00,
-       0x32, 0x25, 0x0f, 0xff,
-       0x08, 0x06
-};
-
-/* Ethernet+IP+UDP, indicating DNS */
-guint8 pkt_dns[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x3c,
-       0xc5, 0x9e, 0x40, 0x00,
-       0xff, 0x11, 0xd7, 0xe0,
-       0xd0, 0x15, 0x02, 0xb8,
-       0x0a, 0x01, 0x01, 0x63,
-
-       0x05, 0xe8, 0x00, 0x35,
-       0x00, 0x00, 0x2a, 0xb9,
-       0x30
-};
-
-/* Ethernet+IP, indicating ICMP */
-guint8 pkt_icmp[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x54,
-       0x8f, 0xb3, 0x40, 0x00,
-       0xfd, 0x01, 0x8a, 0x99,
-       0xcc, 0xfc, 0x66, 0x0b,
-       0xce, 0x41, 0x62, 0x12
-};
-
-/* Ethernet, indicating IP */
-guint8 pkt_ip[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00
-};
-
-/* TR, indicating LLC */
-guint8 pkt_llc[] = {
-       0x10, 0x40, 0x68, 0x00,
-       0x19, 0x69, 0x95, 0x8b,
-       0x00, 0x01, 0xfa, 0x68,
-       0xc4, 0x67
-};
-
-/* Ethernet+IP+UDP, indicating NBNS */
-guint8 pkt_nbns[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x3c,
-       0xc5, 0x9e, 0x40, 0x00,
-       0xff, 0x11, 0xd7, 0xe0,
-       0xd0, 0x15, 0x02, 0xb8,
-       0x0a, 0x01, 0x01, 0x63,
-
-       0x00, 0x89, 0x00, 0x89,
-       0x00, 0x00, 0x2a, 0xb9,
-       0x30
-};
-
-/* Ethernet+IP+UDP, indicating syslog */
-guint8 pkt_syslog[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x64,
-       0x20, 0x48, 0x00, 0x00,
-       0xfc, 0x11, 0xf8, 0x03,
-       0xd0, 0x15, 0x02, 0xb8,
-       0x0a, 0x01, 0x01, 0x63,
-
-       0x05, 0xe8, 0x02, 0x02,
-       0x00, 0x50, 0x51, 0xe1,
-       0x3c
-};
-
-/* TR+LLC+IP, indicating TCP */
-guint8 pkt_tcp[] = {
-       0x10, 0x40, 0x68, 0x00,
-       0x19, 0x69, 0x95, 0x8b,
-       0x00, 0x01, 0xfa, 0x68,
-       0xc4, 0x67,
-
-       0xaa, 0xaa, 0x03, 0x00,
-       0x00, 0x00, 0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x28,
-       0x0b, 0x0b, 0x40, 0x00,
-       0x20, 0x06, 0x85, 0x37,
-       0xc0, 0xa8, 0x27, 0x01,
-       0xc0, 0xa8, 0x22, 0x3c
-};
-
-/* Ethernet+IP, indicating UDP */
-guint8 pkt_udp[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x3c,
-       0xc5, 0x9e, 0x40, 0x00,
-       0xff, 0x11, 0xd7, 0xe0,
-       0xd0, 0x15, 0x02, 0xb8,
-       0x0a, 0x01, 0x01, 0x63
-};
-
-/* Ethernet+IP+UDP, indicating BVLC */
-guint8 pkt_bvlc[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0x3c,
-       0xc5, 0x9e, 0x40, 0x00,
-       0xff, 0x11, 0x01, 0xaa,
-       0xc1, 0xff, 0x19, 0x1e,
-       0xc1, 0xff, 0x19, 0xff,
-       0xba, 0xc0, 0xba, 0xc0,
-       0x00, 0xff, 0x2d, 0x5e,
-       0x81
-};
-
-/* TR+LLC+IPX, indicating NCP, with NCP Type == 0x2222 */
-guint8 pkt_ncp2222[] = {
-       0x10, 0x40, 0x00, 0x00,
-       0xf6, 0x7c, 0x9b, 0x70,
-       0x68, 0x00, 0x19, 0x69,
-       0x95, 0x8b, 0xe0, 0xe0,
-       0x03, 0xff, 0xff, 0x00,
-       0x25, 0x02, 0x11, 0x00,
-       0x00, 0x74, 0x14, 0x00,
-       0x00, 0x00, 0x00, 0x00,
-       0x01, 0x04, 0x51, 0x00,
-       0x00, 0x00, 0x04, 0x00,
-       0x02, 0x16, 0x19, 0x7a,
-       0x84, 0x40, 0x01, 0x22,
-       0x22
-};
-
-/* Ethernet+IP+TCP, indicating GIOP */
-guint8 pkt_giop[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0xa6,
-       0x00, 0x2f, 0x40, 0x00,
-       0x40, 0x06, 0x3c, 0x21,
-       0x7f, 0x00, 0x00, 0x01,
-       0x7f, 0x00, 0x00, 0x01,
-
-       0x30, 0x39, 0x04, 0x05,
-       0xac, 0x02, 0x1e, 0x69,
-       0xab, 0x74, 0xab, 0x64,
-       0x80, 0x18, 0x79, 0x60,
-       0xc4, 0xb8, 0x00, 0x00,
-       0x01, 0x01, 0x08, 0x0a,
-       0x00, 0x00, 0x48, 0xf5,
-       0x00, 0x00, 0x48, 0xf5,
-
-       0x47, 0x49, 0x4f, 0x50,
-       0x01, 0x00, 0x00, 0x00,
-       0x00, 0x00, 0x00, 0x30,
-       0x00, 0x00, 0x00, 0x00,
-       0x00, 0x00, 0x00, 0x01,
-       0x01
-};
-
-/* Ethernet+IP+TCP, indicating BGP */
-guint8 pkt_bgp[] = {
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0x01, 0x01,
-       0x01, 0x01, 0x01, 0x01,
-       0x08, 0x00,
-
-       0x45, 0x00, 0x00, 0xa6,
-       0x00, 0x2f, 0x40, 0x00,
-       0x40, 0x06, 0x3c, 0x21,
-       0x7f, 0x00, 0x00, 0x01,
-       0x7f, 0x00, 0x00, 0x01,
-
-       0x30, 0x39, 0x00, 0xb3,
-       0xac, 0x02, 0x1e, 0x69,
-       0xab, 0x74, 0xab, 0x64,
-       0x80, 0x18, 0x79, 0x60,
-       0xc4, 0xb8, 0x00, 0x00,
-       0x01, 0x01, 0x08, 0x0a,
-       0x00, 0x00, 0x48, 0xf5,
-       0x00, 0x00, 0x48, 0xf5,
-
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0xff, 0xff,
-       0xff, 0xff, 0xff, 0xff,
-
-};
-
-/* This little data table drives the whole program */
-pkt_example examples[] = {
-       { "arp", "Address Resolution Protocol",
-               PKT_ARP,        pkt_arp,        WTAP_ENCAP_ETHERNET,    array_length(pkt_arp) },
-
-       { "dns", "Domain Name Service",
-               PKT_DNS,        pkt_dns,        WTAP_ENCAP_ETHERNET,    array_length(pkt_dns) },
-
-       { "eth", "Ethernet",
-               PKT_ETHERNET,   NULL,           WTAP_ENCAP_ETHERNET,    0 },
-
-       { "fddi", "Fiber Distributed Data Interface",
-               PKT_FDDI,       NULL,           WTAP_ENCAP_FDDI,        0 },
-
-       { "icmp", "Internet Control Message Protocol",
-               PKT_ICMP,       pkt_icmp,       WTAP_ENCAP_ETHERNET,    array_length(pkt_icmp) },
-
-       { "ip", "Internet Protocol",
-               PKT_IP,         pkt_ip,         WTAP_ENCAP_ETHERNET,    array_length(pkt_ip) },
-
-       { "llc", "Logical Link Control",
-               PKT_LLC,        pkt_llc,        WTAP_ENCAP_TOKEN_RING,  array_length(pkt_llc) },
-
-       { "nbns", "NetBIOS-over-TCP Name Service",
-               PKT_NBNS,       pkt_nbns,       WTAP_ENCAP_ETHERNET,    array_length(pkt_nbns) },
-
-       { "syslog", "Syslog message",
-               PKT_SYSLOG,     pkt_syslog,     WTAP_ENCAP_ETHERNET,    array_length(pkt_syslog) },
-
-       { "tcp", "Transmission Control Protocol",
-               PKT_TCP,        pkt_tcp,        WTAP_ENCAP_TOKEN_RING,  array_length(pkt_tcp) },
-
-       { "tr",  "Token-Ring",
-               PKT_TR,         NULL,           WTAP_ENCAP_TOKEN_RING,  0 },
-
-       { "udp", "User Datagram Protocol",
-               PKT_UDP,        pkt_udp,        WTAP_ENCAP_ETHERNET,    array_length(pkt_udp) },
+#ifndef HAVE_GETOPT_LONG
+#include "wsutil/wsgetopt.h"
+#endif
 
-       { "bvlc", "BACnet Virtual Link Control",
-               PKT_BVLC,       pkt_bvlc,       WTAP_ENCAP_ETHERNET,    array_length(pkt_bvlc) },
+#include "randpkt_core/randpkt_core.h"
 
-       { "ncp2222", "NetWare Core Protocol",
-               PKT_NCP2222,    pkt_ncp2222,    WTAP_ENCAP_TOKEN_RING,  array_length(pkt_ncp2222) },
+#define INVALID_OPTION 1
+#define INVALID_TYPE 2
+#define CLOSE_ERROR 2
 
-       { "giop", "General Inter-ORB Protocol",
-               PKT_GIOP,       pkt_giop,       WTAP_ENCAP_ETHERNET,    array_length(pkt_giop) },
+/*
+ * General errors and warnings are reported with an console message
+ * in randpkt.
+ */
+static void
+failure_warning_message(const char *msg_format, va_list ap)
+{
+       fprintf(stderr, "randpkt: ");
+       vfprintf(stderr, msg_format, ap);
+       fprintf(stderr, "\n");
+}
 
-       { "bgp", "Border Gateway Protocol",
-               PKT_BGP,        pkt_bgp,        WTAP_ENCAP_ETHERNET,    array_length(pkt_bgp) },
+/*
+ * Report additional information for an error in command-line arguments.
+ */
+static void
+failure_message_cont(const char *msg_format, va_list ap)
+{
+       vfprintf(stderr, msg_format, ap);
+       fprintf(stderr, "\n");
+}
 
-};
+/* Print usage statement and exit program */
+static void
+usage(gboolean is_error)
+{
+       FILE *output;
+       char** abbrev_list;
+       char** longname_list;
+       unsigned i = 0;
 
+       if (!is_error) {
+               output = stdout;
+       }
+       else {
+               output = stderr;
+       }
 
+       fprintf(output, "Usage: randpkt [-b maxbytes] [-c count] [-t type] [-r] filename\n");
+       fprintf(output, "Default max bytes (per packet) is 5000\n");
+       fprintf(output, "Default count is 1000.\n");
+       fprintf(output, "-r: random packet type selection\n");
+       fprintf(output, "\n");
+       fprintf(output, "Types:\n");
+
+       /* Get the examples list */
+       randpkt_example_list(&abbrev_list, &longname_list);
+       while (abbrev_list[i] && longname_list[i]) {
+               fprintf(output, "\t%-16s%s\n", abbrev_list[i], longname_list[i]);
+               i++;
+       }
 
-static int parse_type(char *string);
-static void usage(void);
-static void seed(void);
+       g_strfreev(abbrev_list);
+       g_strfreev(longname_list);
 
-static pkt_example* find_example(int type);
+       fprintf(output, "\nIf type is not specified, a random packet will be chosen\n\n");
+}
 
-int
-main(int argc, char **argv)
+static int
+real_main(int argc, char **argv)
 {
-
-       wtap_dumper             *dump;
-       struct wtap_pkthdr      pkthdr;
-       union wtap_pseudo_header        ps_header;
-       int                     i, j, len_this_pkt, len_random, err;
-       guint8                  buffer[65536];
-
+       char                   *init_progfile_dir_error;
        int                     opt;
-       extern char             *optarg;
-       extern int              optind;
-
-       int                     produce_count = 1000; /* number of pkts to produce */
-       int                     produce_type = PKT_ETHERNET;
+       int                     produce_type = -1;
        char                    *produce_filename = NULL;
        int                     produce_max_bytes = 5000;
-       pkt_example             *example;
+       int                     produce_count = 1000;
+       randpkt_example         *example;
+       guint8*                 type = NULL;
+       int                     allrandom = FALSE;
+       wtap_dumper             *savedump;
+       int                      ret = EXIT_SUCCESS;
+       static const struct option long_options[] = {
+               {"help", no_argument, NULL, 'h'},
+               {0, 0, 0, 0 }
+       };
+
+       /*
+        * Get credential information for later use.
+        */
+       init_process_policies();
+
+       /*
+        * Attempt to get the pathname of the directory containing the
+        * executable file.
+        */
+       init_progfile_dir_error = init_progfile_dir(argv[0]);
+       if (init_progfile_dir_error != NULL) {
+               fprintf(stderr,
+                   "capinfos: Can't get pathname of directory containing the capinfos program: %s.\n",
+                   init_progfile_dir_error);
+               g_free(init_progfile_dir_error);
+       }
 
-       while ((opt = getopt(argc, argv, "b:c:t:")) != -1) {
+       init_report_message(failure_warning_message, failure_warning_message,
+                               NULL, NULL, NULL);
+
+       wtap_init(TRUE);
+
+       cmdarg_err_init(failure_warning_message, failure_message_cont);
+
+#ifdef _WIN32
+       create_app_running_mutex();
+#endif /* _WIN32 */
+
+       while ((opt = getopt_long(argc, argv, "b:c:ht:r", long_options, NULL)) != -1) {
                switch (opt) {
                        case 'b':       /* max bytes */
-                               produce_max_bytes = atoi(optarg);
+                               produce_max_bytes = get_positive_int(optarg, "max bytes");
                                if (produce_max_bytes > 65536) {
-                                       printf("Max bytes is 65536\n");
-                                       exit(0);
+                                       cmdarg_err("max bytes is > 65536");
+                                       ret = INVALID_OPTION;
+                                       goto clean_exit;
                                }
                                break;
 
                        case 'c':       /* count */
-                               produce_count = atoi(optarg);
+                               produce_count = get_positive_int(optarg, "count");
                                break;
 
                        case 't':       /* type of packet to produce */
-                               produce_type = parse_type(optarg);
+                               type = g_strdup(optarg);
+                               break;
+
+                       case 'h':
+                               usage(FALSE);
+                               goto clean_exit;
+                               break;
+
+                       case 'r':
+                               allrandom = TRUE;
                                break;
 
                        default:
-                               usage();
+                               usage(TRUE);
+                               ret = INVALID_OPTION;
+                               goto clean_exit;
                                break;
                }
        }
@@ -404,141 +187,91 @@ main(int argc, char **argv)
                produce_filename = argv[optind];
        }
        else {
-               usage();
+               usage(TRUE);
+               ret = INVALID_OPTION;
+               goto clean_exit;
        }
 
-       example = find_example(produce_type);
-
-       pkthdr.ts.tv_sec = 0;
-       pkthdr.ts.tv_usec = 0;
-       pkthdr.pkt_encap = example->sample_wtap_encap;
-
-       dump = wtap_dump_open(produce_filename, WTAP_FILE_PCAP,
-               example->sample_wtap_encap, produce_max_bytes, &err);
-
-       seed();
+       if (!allrandom) {
+               produce_type = randpkt_parse_type(type);
+               g_free(type);
 
-       /* reduce max_bytes by # of bytes already in sample */
-       if (produce_max_bytes <= example->sample_length) {
-               printf("Sample packet length is %d, which is greater than or equal to\n", example->sample_length);
-               printf("your requested max_bytes value of %d\n", produce_max_bytes);
-               exit(0);
-       }
-       else {
-               produce_max_bytes -= example->sample_length;
-       }
-
-       /* Load the sample into our buffer */
-       if (example->sample_buffer)
-               memcpy(&buffer[0], example->sample_buffer, example->sample_length);
-
-       /* Produce random packets */
-       for (i = 0; i < produce_count; i++) {
-               if (produce_max_bytes > 0) {
-                       len_random = (rand() % produce_max_bytes + 1);
-               }
-               else {
-                       len_random = 0;
+               example = randpkt_find_example(produce_type);
+               if (!example) {
+                       ret = INVALID_OPTION;
+                       goto clean_exit;
                }
 
-               len_this_pkt = example->sample_length + len_random;
-
-               pkthdr.caplen = len_this_pkt;
-               pkthdr.len = len_this_pkt;
-               pkthdr.ts.tv_sec = i; /* just for variety */
-
-               for (j = example->sample_length; j < len_random; j++) {
-                       buffer[j] = (rand() % 0x100);
+               ret = randpkt_example_init(example, produce_filename, produce_max_bytes);
+               if (ret != EXIT_SUCCESS)
+                       goto clean_exit;
+               randpkt_loop(example, produce_count, 0);
+       } else {
+               if (type) {
+                       fprintf(stderr, "Can't set type in random mode\n");
+                       ret = INVALID_TYPE;
+                       goto clean_exit;
                }
 
-               wtap_dump(dump, &pkthdr, &ps_header, &buffer[0], &err);
+               produce_type = randpkt_parse_type(NULL);
+               example = randpkt_find_example(produce_type);
+               if (!example) {
+                       ret = INVALID_OPTION;
+                       goto clean_exit;
+               }
+               ret = randpkt_example_init(example, produce_filename, produce_max_bytes);
+               if (ret != EXIT_SUCCESS)
+                       goto clean_exit;
+
+               while (produce_count-- > 0) {
+                       randpkt_loop(example, 1, 0);
+                       produce_type = randpkt_parse_type(NULL);
+
+                       savedump = example->dump;
+
+                       example = randpkt_find_example(produce_type);
+                       if (!example) {
+                               ret = INVALID_OPTION;
+                               goto clean_exit;
+                       }
+                       example->dump = savedump;
+               }
        }
-
-       wtap_dump_close(dump, &err);
-
-       return 0;
-
-}
-
-/* Print usage statement and exit program */
-static
-void usage(void)
-{
-       int     num_entries = array_length(examples);
-       int     i;
-
-       printf("Usage: randpkt [-b maxbytes] [-c count] [-t type] filename\n");
-       printf("Default max bytes (per packet) is 5000\n");
-       printf("Default count is 1000.\n");
-       printf("Types:\n");
-
-       for (i = 0; i < num_entries; i++) {
-               printf("\t%s\t%s\n", examples[i].abbrev, examples[i].longname);
+       if (!randpkt_example_close(example)) {
+               ret = CLOSE_ERROR;
        }
 
-       printf("\n");
-
-       exit(0);
+clean_exit:
+       wtap_cleanup();
+       return ret;
 }
 
-/* Parse command-line option "type" and return enum type */
-static
-int parse_type(char *string)
+#ifdef _WIN32
+int
+wmain(int argc, wchar_t **wc_argv)
 {
-       int     num_entries = array_length(examples);
-       int     i;
+       char **argv;
 
-       for (i = 0; i < num_entries; i++) {
-               if (strcmp(examples[i].abbrev, string) == 0) {
-                       return examples[i].produceable_type;
-               }
-       }
-
-       /* Complain */
-       printf("Type %s not known.\n", string);
-       exit(1);
+       argv = arg_list_utf_16to8(argc, wc_argv);
+       return real_main(argc, argv);
 }
-
-/* Find pkt_example record and return pointer to it */
-static
-pkt_example* find_example(int type)
+#else
+int
+main(int argc, char **argv)
 {
-       int     num_entries = array_length(examples);
-       int     i;
-
-       for (i = 0; i < num_entries; i++) {
-               if (examples[i].produceable_type == type) {
-                       return &examples[i];
-               }
-       }
-
-       printf("Internal error. Type %d has no entry in examples table.\n", type);
-       exit(1);
+       return real_main(argc, argv);
 }
-
-/* Seed the random-number generator */
-void
-seed(void)
-{
-       unsigned int    randomness;
-
-#if defined(linux)
-       /* Okay, I should use #ifdef HAVE_DEV_RANDOM, but this is a quick hack */
-       int             fd;
-
-       fd = open("/dev/random", O_RDONLY);
-       if (fd < 0) {
-               printf("Could not open /dev/random for reading: %s\n", strerror(errno));
-               exit(0);
-       }
-
-       read(fd, &randomness, sizeof(randomness));
-#else
-       time_t now;
-
-       now = time(NULL);
-       randomness = (unsigned int) now;
 #endif
 
-       srand(randomness);
-}
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */