* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include "wsutil/wsgetopt.h"
#endif
+#include <wsutil/cmdarg_err.h>
#include <wsutil/crash_info.h>
#include <wsutil/filesystem.h>
#include <wsutil/file_util.h>
#include <wsutil/privileges.h>
-#include <wsutil/ws_diag_control.h>
-#include <wsutil/ws_version_info.h>
+#include <version_info.h>
#include <wiretap/wtap_opttypes.h>
#ifdef HAVE_PLUGINS
#include <wsutil/plugins.h>
#endif
-#include <wsutil/report_err.h>
+#include <wsutil/report_message.h>
+
+#include "ui/failure_message.h"
+
+#define INVALID_OPTION 1
+#define OPEN_ERROR 2
+#define OUTPUT_FILE_ERROR 1
/* Show command-line usage */
static void
static void
frame_write(FrameRecord_t *frame, wtap *wth, wtap_dumper *pdh,
- struct wtap_pkthdr *phdr, Buffer *buf, const char *infile)
+ struct wtap_pkthdr *phdr, Buffer *buf, const char *infile,
+ const char *outfile)
{
int err;
gchar *err_info;
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
fprintf(stderr,
- "reordercap: An error occurred while re-reading \"%s\": %s.\n",
- infile, wtap_strerror(err));
- if (err_info != NULL) {
- fprintf(stderr, "(%s)\n", err_info);
- g_free(err_info);
- }
+ "reordercap: An error occurred while re-reading \"%s\".\n",
+ infile);
+ cfile_read_failure_message("reordercap", infile, err, err_info);
exit(1);
}
}
/* Dump frame to outfile */
if (!wtap_dump(pdh, phdr, ws_buffer_start_ptr(buf), &err, &err_info)) {
- fprintf(stderr, "reordercap: Error (%s) writing frame to outfile\n",
- wtap_strerror(err));
- if (err_info != NULL) {
- fprintf(stderr, "(%s)\n", err_info);
- g_free(err_info);
- }
+ cfile_write_failure_message("reordercap", infile, outfile, err,
+ err_info, frame->num,
+ wtap_file_type_subtype(wth));
exit(1);
}
}
return nstime_cmp(time1, time2);
}
-#ifdef HAVE_PLUGINS
/*
- * Don't report failures to load plugins because most (non-wiretap) plugins
- * *should* fail to load (because we're not linked against libwireshark and
- * dissector plugins need libwireshark).
+ * General errors and warnings are reported with an console message
+ * in reordercap.
*/
static void
-failure_message(const char *msg_format _U_, va_list ap _U_)
+failure_warning_message(const char *msg_format, va_list ap)
{
- return;
+ fprintf(stderr, "reordercap: ");
+ vfprintf(stderr, msg_format, ap);
+ fprintf(stderr, "\n");
+}
+
+/*
+ * 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");
}
-#endif
/********************************************************************/
/* Main function. */
{
GString *comp_info_str;
GString *runtime_info_str;
+ char *init_progfile_dir_error;
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
struct wtap_pkthdr dump_phdr;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
- wtap_optionblock_t shb_hdr = NULL;
+ GArray *shb_hdrs = NULL;
wtapng_iface_descriptions_t *idb_inf = NULL;
- wtap_optionblock_t nrb_hdr = NULL;
+ GArray *nrb_hdrs = NULL;
+ int ret = EXIT_SUCCESS;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
char *infile;
const char *outfile;
-#ifdef HAVE_PLUGINS
- char *init_progfile_dir_error;
-#endif
+ cmdarg_err_init(failure_warning_message, failure_message_cont);
/* Get the compile-time version information string */
comp_info_str = get_compiled_version_info(NULL, NULL);
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
-
- /*
- * Get credential information for later use.
- */
- init_process_policies();
- init_open_routines();
-
-#ifdef HAVE_PLUGINS
- /* Register wiretap plugins */
- if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
- g_warning("reordercap: init_progfile_dir(): %s", init_progfile_dir_error);
+ g_string_free(comp_info_str, TRUE);
+ g_string_free(runtime_info_str, TRUE);
+
+ /*
+ * 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], main);
+ if (init_progfile_dir_error != NULL) {
+ fprintf(stderr,
+ "reordercap: Can't get pathname of directory containing the reordercap program: %s.\n",
+ init_progfile_dir_error);
g_free(init_progfile_dir_error);
- } else {
- /* Register all the plugin types we have. */
- wtap_register_plugin_types(); /* Types known to libwiretap */
-
- init_report_err(failure_message,NULL,NULL,NULL);
+ }
- /* Scan for plugins. This does *not* call their registration routines;
- that's done later. */
- scan_plugins();
+ init_report_message(failure_warning_message, failure_warning_message,
+ NULL, NULL, NULL);
- /* Register all libwiretap plugin modules. */
- register_all_wiretap_modules();
- }
-#endif
+ wtap_init(TRUE);
/* Process the options first */
while ((opt = getopt_long(argc, argv, "hnv", long_options, NULL)) != -1) {
"See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
- exit(0);
+ goto clean_exit;
case 'v':
+ comp_info_str = get_compiled_version_info(NULL, NULL);
+ runtime_info_str = get_runtime_version_info(NULL);
show_version("Reordercap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
- exit(0);
+ goto clean_exit;
case '?':
print_usage(stderr);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
}
}
else {
print_usage(stderr);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
/* Open infile */
open_routine reader to use, then the following needs to change. */
wth = wtap_open_offline(infile, WTAP_TYPE_AUTO, &err, &err_info, TRUE);
if (wth == NULL) {
- fprintf(stderr, "reordercap: Can't open %s: %s\n", infile,
- wtap_strerror(err));
- if (err_info != NULL) {
- fprintf(stderr, "(%s)\n", err_info);
- g_free(err_info);
- }
- exit(1);
+ cfile_open_failure_message("reordercap", infile, err, err_info);
+ ret = OPEN_ERROR;
+ goto clean_exit;
}
DEBUG_PRINT("file_type_subtype is %d\n", wtap_file_type_subtype(wth));
- shb_hdr = wtap_file_get_shb_for_new_file(wth);
+ shb_hdrs = wtap_file_get_shb_for_new_file(wth);
idb_inf = wtap_file_get_idb_info(wth);
- nrb_hdr = wtap_file_get_nrb_for_new_file(wth);
+ nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
/* Open outfile (same filetype/encap as input file) */
if (strcmp(outfile, "-") == 0) {
pdh = wtap_dump_open_stdout_ng(wtap_file_type_subtype(wth), wtap_file_encap(wth),
- 65535, FALSE, shb_hdr, idb_inf, nrb_hdr, &err);
- outfile = "standard output";
+ wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
} else {
pdh = wtap_dump_open_ng(outfile, wtap_file_type_subtype(wth), wtap_file_encap(wth),
- 65535, FALSE, shb_hdr, idb_inf, nrb_hdr, &err);
+ wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
}
g_free(idb_inf);
idb_inf = NULL;
if (pdh == NULL) {
- fprintf(stderr, "reordercap: Failed to open output file: (%s) - error %s\n",
- outfile, wtap_strerror(err));
- wtap_optionblock_free(shb_hdr);
- wtap_optionblock_free(nrb_hdr);
- exit(1);
+ cfile_dump_open_failure_message("reordercap", outfile, err,
+ wtap_file_type_subtype(wth));
+ wtap_block_array_free(shb_hdrs);
+ wtap_block_array_free(nrb_hdrs);
+ ret = OUTPUT_FILE_ERROR;
+ goto clean_exit;
}
/* Allocate the array of frame pointers. */
}
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
- fprintf(stderr,
- "reordercap: An error occurred while reading \"%s\": %s.\n",
- infile, wtap_strerror(err));
- if (err_info != NULL) {
- fprintf(stderr, "(%s)\n", err_info);
- g_free(err_info);
- }
+ cfile_read_failure_message("reordercap", infile, err, err_info);
}
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
- frame_write(frame, wth, pdh, &dump_phdr, &buf, infile);
+ frame_write(frame, wth, pdh, &dump_phdr, &buf, infile, outfile);
}
g_slice_free(FrameRecord_t, frame);
}
ws_buffer_free(&buf);
if (!write_output_regardless && (wrong_order_count == 0)) {
- printf("Not writing output file because input file is already in order!\n");
+ printf("Not writing output file because input file is already in order.\n");
}
/* Free the whole array */
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
- fprintf(stderr, "reordercap: Error closing %s: %s\n", outfile,
- wtap_strerror(err));
- wtap_optionblock_free(shb_hdr);
- wtap_optionblock_free(nrb_hdr);
- exit(1);
+ cfile_close_failure_message(outfile, err);
+ wtap_block_array_free(shb_hdrs);
+ wtap_block_array_free(nrb_hdrs);
+ ret = OUTPUT_FILE_ERROR;
+ goto clean_exit;
}
- wtap_optionblock_free(shb_hdr);
- wtap_optionblock_free(nrb_hdr);
+ wtap_block_array_free(shb_hdrs);
+ wtap_block_array_free(nrb_hdrs);
- /* Finally, close infile */
- wtap_fdclose(wth);
+ /* Finally, close infile and release resources. */
+ wtap_close(wth);
- return 0;
+clean_exit:
+ wtap_cleanup();
+ free_progdirs();
+ return ret;
}
/*