/* Combine dump files, either by appending or by merging by timestamp
- *
- * $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
*
*/
-#include "config.h"
+#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#endif
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
+
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
+#ifdef HAVE_LIBZ
+#include <zlib.h> /* to get the libz version number */
+#endif
+
#include <string.h>
#include "wtap.h"
#include <wsutil/wsgetopt.h>
#endif
+#include <wsutil/clopts_common.h>
#include <wsutil/strnatcmp.h>
#include <wsutil/file_util.h>
+#include <wsutil/cmdarg_err.h>
+#include <wsutil/crash_info.h>
+#include <wsutil/copyright_info.h>
+#include <wsutil/os_version_info.h>
+#include <wsutil/ws_version_info.h>
#include <wiretap/merge.h>
-#include "svnversion.h"
+#include "version_info.h"
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#include <wsutil/unicode-utils.h>
#endif /* _WIN32 */
-static int
-get_natural_int(const char *string, const char *name)
+static void
+show_version(GString *comp_info_str, GString *runtime_info_str)
{
- long number;
- char *p;
-
- number = strtol(string, &p, 10);
- if (p == string || *p != '\0') {
- fprintf(stderr, "mergecap: The specified %s \"%s\" isn't a decimal number\n",
- name, string);
- exit(1);
- }
- if (number < 0) {
- fprintf(stderr, "mergecap: The specified %s is a negative number\n", name);
- exit(1);
- }
- if (number > INT_MAX) {
- fprintf(stderr, "mergecap: The specified %s is too large (greater than %d)\n",
- name, INT_MAX);
- exit(1);
- }
- return (int)number;
+ printf("Mergecap (Wireshark) %s\n"
+ "\n"
+ "%s"
+ "\n"
+ "%s"
+ "\n"
+ "%s",
+ get_ws_vcs_version_info(), get_copyright_info(),
+ comp_info_str->str, runtime_info_str->str);
}
-static int
-get_positive_int(const char *string, const char *name)
+/*
+ * Show the usage
+ */
+static void
+print_usage(FILE *output)
{
- int number;
-
- number = get_natural_int(string, name);
-
- if (number == 0) {
- fprintf(stderr, "mergecap: The specified %s is zero\n", name);
- exit(1);
- }
-
- return number;
+ fprintf(output, "\n");
+ fprintf(output, "Usage: mergecap [options] -w <outfile>|- <infile> [<infile> ...]\n");
+ fprintf(output, "\n");
+ fprintf(output, "Output:\n");
+ fprintf(output, " -a concatenate rather than merge files.\n");
+ fprintf(output, " default is to merge based on frame timestamps.\n");
+ fprintf(output, " -s <snaplen> truncate packets to <snaplen> bytes of data.\n");
+ fprintf(output, " -w <outfile>|- set the output filename to <outfile> or '-' for stdout.\n");
+ fprintf(output, " -F <capture type> set the output file type; default is pcapng.\n");
+ fprintf(output, " an empty \"-F\" option will list the file types.\n");
+ fprintf(output, " -T <encap type> set the output file encapsulation type;\n");
+ fprintf(output, " default is the same as the first input file.\n");
+ fprintf(output, " an empty \"-T\" option will list the encapsulation types.\n");
+ fprintf(output, "\n");
+ fprintf(output, "Miscellaneous:\n");
+ fprintf(output, " -h display this help and exit.\n");
+ fprintf(output, " -v verbose output.\n");
}
/*
- * Show the usage
+ * Report an error in command-line arguments.
*/
static void
-usage(void)
+mergecap_cmdarg_err(const char *fmt, va_list ap)
{
- fprintf(stderr, "Mergecap %s"
-#ifdef SVNVERSION
- " (" SVNVERSION " from " SVNPATH ")"
-#endif
- "\n", VERSION);
- fprintf(stderr, "Merge two or more capture files into one.\n");
- fprintf(stderr, "See http://www.wireshark.org for more information.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Usage: mergecap [options] -w <outfile>|- <infile> [<infile> ...]\n");
+ fprintf(stderr, "mergecap: ");
+ vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
- fprintf(stderr, "Output:\n");
- fprintf(stderr, " -a concatenate rather than merge files.\n");
- fprintf(stderr, " default is to merge based on frame timestamps.\n");
- fprintf(stderr, " -s <snaplen> truncate packets to <snaplen> bytes of data.\n");
- fprintf(stderr, " -w <outfile>|- set the output filename to <outfile> or '-' for stdout.\n");
- fprintf(stderr, " -F <capture type> set the output file type; default is pcapng.\n");
- fprintf(stderr, " an empty \"-F\" option will list the file types.\n");
- fprintf(stderr, " -T <encap type> set the output file encapsulation type;\n");
- fprintf(stderr, " default is the same as the first input file.\n");
- fprintf(stderr, " an empty \"-T\" option will list the encapsulation types.\n");
+}
+
+/*
+ * Report additional information for an error in command-line arguments.
+ */
+static void
+mergecap_cmdarg_err_cont(const char *fmt, va_list ap)
+{
+ vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
- fprintf(stderr, "Miscellaneous:\n");
- fprintf(stderr, " -h display this help and exit.\n");
- fprintf(stderr, " -v verbose output.\n");
}
struct string_elem {
static gint
string_nat_compare(gconstpointer a, gconstpointer b)
{
- return strnatcmp(((const struct string_elem *)a)->sstr,
- ((const struct string_elem *)b)->sstr);
+ return ws_ascii_strnatcmp(((const struct string_elem *)a)->sstr,
+ ((const struct string_elem *)b)->sstr);
}
static void
struct string_elem *captypes;
GSList *list = NULL;
- captypes = g_new(struct string_elem,WTAP_NUM_FILE_TYPES);
+ captypes = g_new(struct string_elem,WTAP_NUM_FILE_TYPES_SUBTYPES);
fprintf(stderr, "mergecap: The available capture file types for the \"-F\" flag are:\n");
- for (i = 0; i < WTAP_NUM_FILE_TYPES; i++) {
+ for (i = 0; i < WTAP_NUM_FILE_TYPES_SUBTYPES; i++) {
if (wtap_dump_can_open(i)) {
- captypes[i].sstr = wtap_file_type_short_string(i);
- captypes[i].lstr = wtap_file_type_string(i);
+ captypes[i].sstr = wtap_file_type_subtype_short_string(i);
+ captypes[i].lstr = wtap_file_type_subtype_string(i);
list = g_slist_insert_sorted(list, &captypes[i], string_compare);
}
}
g_free(encaps);
}
+static void
+get_mergecap_compiled_info(GString *str)
+{
+ /* LIBZ */
+ g_string_append(str, ", ");
+#ifdef HAVE_LIBZ
+ g_string_append(str, "with libz ");
+#ifdef ZLIB_VERSION
+ g_string_append(str, ZLIB_VERSION);
+#else /* ZLIB_VERSION */
+ g_string_append(str, "(version unknown)");
+#endif /* ZLIB_VERSION */
+#else /* HAVE_LIBZ */
+ g_string_append(str, "without libz");
+#endif /* HAVE_LIBZ */
+}
+
+static void
+get_mergecap_runtime_info(GString *str)
+{
+ /* zlib */
+#if defined(HAVE_LIBZ) && !defined(_WIN32)
+ g_string_append_printf(str, ", with libz %s", zlibVersion());
+#endif
+}
+
int
main(int argc, char *argv[])
{
- int opt;
- gboolean do_append = FALSE;
- gboolean verbose = FALSE;
- int in_file_count = 0;
- guint snaplen = 0;
+ GString *comp_info_str;
+ GString *runtime_info_str;
+ int opt;
+ static const struct option long_options[] = {
+ {(char *)"help", no_argument, NULL, 'h'},
+ {(char *)"version", no_argument, NULL, 'V'},
+ {0, 0, 0, 0 }
+ };
+ gboolean do_append = FALSE;
+ gboolean verbose = FALSE;
+ int in_file_count = 0;
+ guint snaplen = 0;
#ifdef PCAP_NG_DEFAULT
- int file_type = WTAP_FILE_PCAPNG; /* default to pcap format */
+ int file_type = WTAP_FILE_TYPE_SUBTYPE_PCAPNG; /* default to pcap format */
#else
- int file_type = WTAP_FILE_PCAP; /* default to pcapng format */
+ int file_type = WTAP_FILE_TYPE_SUBTYPE_PCAP; /* default to pcapng format */
#endif
- int frame_type = -2;
- int out_fd;
- merge_in_file_t *in_files = NULL, *in_file;
- int i;
+ int frame_type = -2;
+ int out_fd;
+ merge_in_file_t *in_files = NULL, *in_file;
+ int i;
struct wtap_pkthdr *phdr, snap_phdr;
- wtap_dumper *pdh;
- int open_err, read_err = 0, write_err, close_err;
- gchar *err_info;
- int err_fileno;
- char *out_filename = NULL;
- gboolean got_read_error = FALSE, got_write_error = FALSE;
- int count;
+ wtap_dumper *pdh;
+ int open_err, read_err = 0, write_err, close_err;
+ gchar *err_info, *write_err_info = NULL;
+ int err_fileno;
+ char *out_filename = NULL;
+ gboolean got_read_error = FALSE, got_write_error = FALSE;
+ int count;
+
+ cmdarg_err_init(mergecap_cmdarg_err, mergecap_cmdarg_err_cont);
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
+ /* Assemble the compile-time version information string */
+ comp_info_str = g_string_new("Compiled ");
+ get_compiled_version_info(comp_info_str, NULL, get_mergecap_compiled_info);
+
+ /* Assemble the run-time version information string */
+ runtime_info_str = g_string_new("Running ");
+ get_runtime_version_info(runtime_info_str, get_mergecap_runtime_info);
+
+ /* Add it to the information to be reported on a crash. */
+ ws_add_crash_info("Mergecap (Wireshark) %s\n"
+ "\n"
+ "%s"
+ "\n"
+ "%s",
+ get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
+
/* Process the options first */
- while ((opt = getopt(argc, argv, "aF:hs:T:vw:")) != -1) {
+ while ((opt = getopt_long(argc, argv, "aF:hs:T:vVw:", long_options, NULL)) != -1) {
switch (opt) {
case 'a':
break;
case 'F':
- file_type = wtap_short_string_to_file_type(optarg);
+ file_type = wtap_short_string_to_file_type_subtype(optarg);
if (file_type < 0) {
fprintf(stderr, "mergecap: \"%s\" isn't a valid capture file type\n",
optarg);
break;
case 'h':
- usage();
+ printf("Mergecap (Wireshark) %s\n"
+ "Merge two or more capture files into one.\n"
+ "See http://www.wireshark.org for more information.\n",
+ get_ws_vcs_version_info());
+ print_usage(stdout);
exit(0);
break;
verbose = TRUE;
break;
+ case 'V':
+ show_version(comp_info_str, runtime_info_str);
+ g_string_free(comp_info_str, TRUE);
+ g_string_free(runtime_info_str, TRUE);
+ exit(0);
+ break;
+
case 'w':
out_filename = optarg;
break;
list_encap_types();
break;
default:
- usage();
+ print_usage(stderr);
}
exit(1);
break;
&open_err, &err_info, &err_fileno)) {
fprintf(stderr, "mergecap: Can't open %s: %s\n", argv[optind + err_fileno],
wtap_strerror(open_err));
- switch (open_err) {
-
- case WTAP_ERR_UNSUPPORTED:
- case WTAP_ERR_UNSUPPORTED_ENCAP:
- case WTAP_ERR_BAD_FILE:
+ if (err_info != NULL) {
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
- break;
}
return 2;
}
if (verbose) {
for (i = 0; i < in_file_count; i++)
fprintf(stderr, "mergecap: %s is type %s.\n", argv[optind + i],
- wtap_file_type_string(wtap_file_type(in_files[i].wth)));
+ wtap_file_type_subtype_string(wtap_file_type_subtype(in_files[i].wth)));
}
if (snaplen == 0) {
}
/* prepare the outfile */
- if(file_type == WTAP_FILE_PCAPNG ){
+ if(file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG ){
wtapng_section_t *shb_hdr;
GString *comment_gstr;
shb_hdr->opt_comment = comment_gstr->str; /* NULL if not available */
shb_hdr->shb_hardware = NULL; /* NULL if not available, UTF-8 string containing the description of the hardware used to create this section. */
shb_hdr->shb_os = NULL; /* NULL if not available, UTF-8 string containing the name of the operating system used to create this section. */
- shb_hdr->shb_user_appl = "mergecap"; /* NULL if not available, UTF-8 string containing the name of the application used to create this section. */
+ shb_hdr->shb_user_appl = g_strdup("mergecap"); /* NULL if not available, UTF-8 string containing the name of the application used to create this section. */
pdh = wtap_dump_fdopen_ng(out_fd, file_type, frame_type, snaplen,
FALSE /* compressed */, shb_hdr, NULL /* wtapng_iface_descriptions_t *idb_inf */, &open_err);
phdr = &snap_phdr;
}
- if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), &write_err)) {
+ if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), &write_err, &write_err_info)) {
got_write_error = TRUE;
break;
}
}
merge_close_in_files(in_file_count, in_files);
- if (!got_read_error && !got_write_error) {
+ if (!got_write_error) {
if (!wtap_dump_close(pdh, &write_err))
got_write_error = TRUE;
- } else
- wtap_dump_close(pdh, &close_err);
+ } else {
+ /*
+ * We already got a write error; no need to report another
+ * write error on close.
+ *
+ * Don't overwrite the earlier write error.
+ */
+ (void)wtap_dump_close(pdh, &close_err);
+ }
if (got_read_error) {
/*
if (in_files[i].state == GOT_ERROR) {
fprintf(stderr, "mergecap: Error reading %s: %s\n",
in_files[i].filename, wtap_strerror(read_err));
- switch (read_err) {
-
- case WTAP_ERR_UNSUPPORTED:
- case WTAP_ERR_UNSUPPORTED_ENCAP:
- case WTAP_ERR_BAD_FILE:
+ if (err_info != NULL) {
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
- break;
}
}
}
if (got_write_error) {
switch (write_err) {
- case WTAP_ERR_UNSUPPORTED_ENCAP:
+ case WTAP_ERR_UNWRITABLE_ENCAP:
+ /*
+ * This is a problem with the particular frame we're writing and
+ * the file type and subtype we're wwriting; note that, and
+ * report the frame number and file type/subtype.
+ */
+ fprintf(stderr, "mergecap: Frame %u of \"%s\" has a network type that can't be saved in a \"%s\" file.\n",
+ in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
+ wtap_file_type_subtype_string(file_type));
+ break;
+
+ case WTAP_ERR_PACKET_TOO_LARGE:
+ /*
+ * This is a problem with the particular frame we're writing and
+ * the file type and subtype we're wwriting; note that, and
+ * report the frame number and file type/subtype.
+ */
+ fprintf(stderr, "mergecap: Frame %u of \"%s\" is too large for a \"%s\" file.\n",
+ in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
+ wtap_file_type_subtype_string(file_type));
+ break;
+
+ case WTAP_ERR_UNWRITABLE_REC_TYPE:
+ /*
+ * This is a problem with the particular record we're writing and
+ * the file type and subtype we're wwriting; note that, and
+ * report the record number and file type/subtype.
+ */
+ fprintf(stderr, "mergecap: Record %u of \"%s\" has a record type that can't be saved in a \"%s\" file.\n",
+ in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
+ wtap_file_type_subtype_string(file_type));
+ break;
+
+ case WTAP_ERR_UNWRITABLE_REC_DATA:
/*
- * This is a problem with the particular frame we're writing;
- * note that, and give the frame number.
+ * This is a problem with the particular record we're writing and
+ * the file type and subtype we're wwriting; note that, and
+ * report the record number and file type/subtype.
*/
- fprintf(stderr, "mergecap: Frame %u of \"%s\" has a network type that can't be saved in a file with that format\n.",
- in_file->packet_num, in_file->filename);
+ fprintf(stderr, "mergecap: Record %u of \"%s\" has data that can't be saved in a \"%s\" file.\n(%s)\n",
+ in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
+ wtap_file_type_subtype_string(file_type),
+ write_err_info != NULL ? write_err_info : "no information supplied");
+ g_free(write_err_info);
break;
default:
*
* Local variables:
* c-basic-offset: 2
- * tab-width: 2
+ * tab-width: 8
* indent-tabs-mode: nil
* End:
*
- * vi: set shiftwidth=2 tabstop=2 expandtab:
- * :indentSize=2:tabSize=2:noTabs=true:
+ * vi: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
*/