/* rawshark.c
- *
- * $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* - Prints a status line, followed by fields from a specified list.
*/
-#include "config.h"
+#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <ctype.h>
#include <locale.h>
#include <limits.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#ifndef _WIN32
+#include <sys/time.h>
+#include <sys/resource.h>
#endif
-#include <errno.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
#endif
-#include <signal.h>
-
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
+#include <errno.h>
-#ifndef HAVE_GETOPT
+#ifndef HAVE_GETOPT_LONG
#include "wsutil/wsgetopt.h"
#endif
#include <glib.h>
#include <epan/epan-int.h>
#include <epan/epan.h>
-#include <epan/filesystem.h>
+
+#include <wsutil/cmdarg_err.h>
#include <wsutil/crash_info.h>
-#include <wsutil/privileges.h>
+#include <wsutil/filesystem.h>
#include <wsutil/file_util.h>
+#include <wsutil/plugins.h>
+#include <wsutil/privileges.h>
+#include <wsutil/report_message.h>
#include "globals.h"
#include <epan/packet.h>
+#include <epan/ftypes/ftypes-int.h>
#include "file.h"
#include "frame_tvbuff.h"
#include <epan/disabled_protos.h>
#include <epan/column.h>
#include <epan/print.h>
#include <epan/addr_resolv.h>
+#ifdef HAVE_LIBPCAP
+#include "ui/capture_ui_utils.h"
+#endif
#include "ui/util.h"
-#include "clopts_common.h"
-#include "cmdarg_err.h"
-#include "version_info.h"
-#include <epan/plugins.h>
+#include "ui/dissect_opts.h"
+#include "ui/failure_message.h"
#include "register.h"
#include "conditions.h"
#include "capture_stop_conditions.h"
-#include "capture_ui_utils.h"
#include <epan/epan_dissect.h>
-#include <epan/stat_cmd_args.h>
+#include <epan/stat_tap_ui.h>
#include <epan/timestamp.h>
#include <wsutil/unicode-utils.h>
#include "epan/column-utils.h"
#include <wiretap/libpcap.h>
#include <wiretap/pcap-encap.h>
+#include <wsutil/clopts_common.h>
+#include <ws_version_info.h>
+
+#include "caputils/capture-pcap-util.h"
+
+#ifdef HAVE_EXTCAP
+#include "extcap.h"
+#endif
+
#ifdef HAVE_LIBPCAP
#include <setjmp.h>
-#include "capture-pcap-util.h"
#ifdef _WIN32
-#include "capture-wpcap.h"
+#include "caputils/capture-wpcap.h"
#endif /* _WIN32 */
#endif /* HAVE_LIBPCAP */
#include "log.h"
-#ifdef _WIN32
-#include <wsutil/unicode-utils.h>
-#endif /* _WIN32 */
-
+#if 0
/*
* This is the template for the decode as option; it is shared between the
* various functions that output the usage for this parameter.
*/
static const gchar decode_as_arg_template[] = "<layer_type>==<selector>,<decode_as_protocol>";
+#endif
+
+#define INVALID_OPTION 1
+#define INIT_ERROR 2
+#define INVALID_DFILTER 2
+#define OPEN_ERROR 2
+#define FORMAT_ERROR 2
static guint32 cum_bytes;
static const frame_data *ref;
static gboolean want_pcap_pkthdr;
cf_status_t raw_cf_open(capture_file *cf, const char *fname);
-static int load_cap_file(capture_file *cf);
-static gboolean process_packet(capture_file *cf, gint64 offset,
+static gboolean load_cap_file(capture_file *cf);
+static gboolean process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
struct wtap_pkthdr *whdr, const guchar *pd);
static void show_print_file_io_error(int err);
+static void failure_warning_message(const char *msg_format, va_list ap);
static void open_failure_message(const char *filename, int err,
gboolean for_writing);
-static void failure_message(const char *msg_format, va_list ap);
static void read_failure_message(const char *filename, int err);
static void write_failure_message(const char *filename, int err);
+static void rawshark_cmdarg_err(const char *fmt, va_list ap);
+static void rawshark_cmdarg_err_cont(const char *fmt, va_list ap);
static void protocolinfo_init(char *field);
static gboolean parse_field_string_format(char *format);
GPtrArray *string_fmts;
static void
-print_usage(gboolean print_ver)
+print_usage(FILE *output)
{
- FILE *output;
-
- if (print_ver) {
- output = stdout;
- fprintf(output,
- "Rawshark " VERSION "%s\n"
- "Dump and analyze network traffic.\n"
- "See http://www.wireshark.org for more information.\n"
- "\n"
- "%s",
- wireshark_svnversion, get_copyright_info());
- } else {
- output = stderr;
- }
fprintf(output, "\n");
fprintf(output, "Usage: rawshark [options] ...\n");
fprintf(output, "\n");
fprintf(output, " -d <encap:linktype>|<proto:protoname>\n");
fprintf(output, " packet encapsulation or protocol\n");
fprintf(output, " -F <field> field to display\n");
+#ifndef _WIN32
+ fprintf(output, " -m virtual memory limit, in bytes \n");
+#endif
fprintf(output, " -n disable all name resolution (def: all enabled)\n");
- fprintf(output, " -N <name resolve flags> enable specific name resolution(s): \"mntC\"\n");
+ fprintf(output, " -N <name resolve flags> enable specific name resolution(s): \"mnNtd\"\n");
fprintf(output, " -p use the system's packet header format\n");
fprintf(output, " (which may have 64-bit timestamps)\n");
fprintf(output, " -R <read filter> packet filter in Wireshark display filter syntax\n");
if (err != ERROR_PIPE_BUSY) {
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err, 0, (LPTSTR) &err_str, 0, NULL);
- fprintf(stderr, "rawshark: \"%s\" could not be opened: %s (error %d)\n",
+ fprintf(stderr, "rawshark: \"%s\" could not be opened: %s (error %lu)\n",
pipe_name, utf_16to8(err_str), err);
LocalFree(err_str);
return -1;
err = GetLastError();
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err, 0, (LPTSTR) &err_str, 0, NULL);
- fprintf(stderr, "rawshark: \"%s\" could not be waited for: %s (error %d)\n",
+ fprintf(stderr, "rawshark: \"%s\" could not be waited for: %s (error %lu)\n",
pipe_name, utf_16to8(err_str), err);
LocalFree(err_str);
return -1;
}
}
- rfd = _open_osfhandle((long) hPipe, _O_RDONLY);
+ rfd = _open_osfhandle((intptr_t) hPipe, _O_RDONLY);
if (rfd == -1) {
fprintf(stderr, "rawshark: \"%s\" could not be opened: %s\n",
pipe_name, g_strerror(errno));
long val;
dissector_handle_t dhandle;
GString *pref_str;
+ char *errmsg = NULL;
if (!spec_ptr)
return FALSE;
g_string_append_printf(pref_str,
"\"User 0 (DLT=147)\",\"%s\",\"0\",\"\",\"0\",\"\"",
spec_ptr);
- if (prefs_set_pref(pref_str->str) != PREFS_SET_OK) {
+ if (prefs_set_pref(pref_str->str, &errmsg) != PREFS_SET_OK) {
g_string_free(pref_str, TRUE);
+ g_free(errmsg);
return FALSE;
}
g_string_free(pref_str, TRUE);
return FALSE;
}
-static void
-show_version(GString *comp_info_str, GString *runtime_info_str)
-{
- printf("Rawshark " VERSION "%s\n"
- "\n"
- "%s"
- "\n"
- "%s"
- "\n"
- "%s",
- wireshark_svnversion, get_copyright_info(), comp_info_str->str,
- runtime_info_str->str);
-}
-
int
main(int argc, char *argv[])
{
GString *runtime_info_str;
char *init_progfile_dir_error;
int opt, i;
- gboolean arg_error = FALSE;
#ifdef _WIN32
+ int result;
WSADATA wsaData;
+#else
+ struct rlimit limit;
#endif /* _WIN32 */
- char *gpf_path, *pf_path;
- char *gdp_path, *dp_path;
- int gpf_open_errno, gpf_read_errno;
- int pf_open_errno, pf_read_errno;
- int gdp_open_errno, gdp_read_errno;
- int dp_open_errno, dp_read_errno;
- int err;
gchar *pipe_name = NULL;
gchar *rfilters[64];
e_prefs *prefs_p;
GPtrArray *disp_fields = g_ptr_array_new();
guint fc;
gboolean skip_pcap_header = FALSE;
+ int ret = EXIT_SUCCESS;
+ static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'v'},
+ {0, 0, 0, 0 }
+ };
-#define OPTSTRING_INIT "d:F:hlnN:o:pr:R:sS:t:v"
+#define OPTSTRING_INIT "d:F:hlm:nN:o:pr:R:sS:t:v"
static const char optstring[] = OPTSTRING_INIT;
- /* Assemble the compile-time version information string */
- comp_info_str = g_string_new("Compiled ");
- get_compiled_version_info(comp_info_str, NULL, epan_get_compiled_version_info);
+ /* Set the C-language locale to the native environment. */
+ setlocale(LC_ALL, "");
- /* Assemble the run-time version information string */
- runtime_info_str = g_string_new("Running ");
- get_runtime_version_info(runtime_info_str, NULL);
+ cmdarg_err_init(rawshark_cmdarg_err, rawshark_cmdarg_err_cont);
+
+ /* Get the compile-time version information string */
+ comp_info_str = get_compiled_version_info(NULL, epan_get_compiled_version_info);
+
+ /* Get the run-time version information string */
+ runtime_info_str = get_runtime_version_info(NULL);
/* Add it to the information to be reported on a crash. */
- ws_add_crash_info("Rawshark " VERSION "%s\n"
+ ws_add_crash_info("Rawshark (Wireshark) %s\n"
"\n"
"%s"
"\n"
"%s",
- wireshark_svnversion, comp_info_str->str, runtime_info_str->str);
+ get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
string_fmts = g_ptr_array_new();
/*
- * Attempt to get the pathname of the executable file.
+ * 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) {
init_progfile_dir_error);
}
- /*
- * Get credential information for later use.
- */
- init_process_policies();
-
/* nothing more than the standard GLib handler, but without a warning */
log_flags =
G_LOG_LEVEL_WARNING |
(GLogLevelFlags)log_flags,
log_func_ignore, NULL /* user_data */);
+ init_report_message(failure_warning_message, failure_warning_message,
+ open_failure_message, read_failure_message,
+ write_failure_message);
+
timestamp_set_type(TS_RELATIVE);
timestamp_set_precision(TS_PREC_AUTO);
timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
+ wtap_init();
+
/* Register all dissectors; we must do this before checking for the
"-G" flag, as the "-G" flag dumps information registered by the
dissectors, and we must do it before we read the preferences, in
case any dissectors register preferences. */
- epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL,
- failure_message, open_failure_message, read_failure_message,
- write_failure_message);
-
- /* Set the C-language locale to the native environment. */
- setlocale(LC_ALL, "");
-
- prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
- &pf_open_errno, &pf_read_errno, &pf_path);
- if (gpf_path != NULL) {
- if (gpf_open_errno != 0) {
- cmdarg_err("Can't open global preferences file \"%s\": %s.",
- pf_path, g_strerror(gpf_open_errno));
- }
- if (gpf_read_errno != 0) {
- cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
- pf_path, g_strerror(gpf_read_errno));
- }
- }
- if (pf_path != NULL) {
- if (pf_open_errno != 0) {
- cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
- g_strerror(pf_open_errno));
- }
- if (pf_read_errno != 0) {
- cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
- pf_path, g_strerror(pf_read_errno));
- }
- g_free(pf_path);
- pf_path = NULL;
+ if (!epan_init(register_all_protocols, register_all_protocol_handoffs,
+ NULL, NULL)) {
+ ret = INIT_ERROR;
+ goto clean_exit;
}
- /* Read the disabled protocols file. */
- read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
- &dp_path, &dp_open_errno, &dp_read_errno);
- if (gdp_path != NULL) {
- if (gdp_open_errno != 0) {
- cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
- gdp_path, g_strerror(gdp_open_errno));
- }
- if (gdp_read_errno != 0) {
- cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
- gdp_path, g_strerror(gdp_read_errno));
- }
- g_free(gdp_path);
- }
- if (dp_path != NULL) {
- if (dp_open_errno != 0) {
- cmdarg_err(
- "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
- g_strerror(dp_open_errno));
- }
- if (dp_read_errno != 0) {
- cmdarg_err(
- "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
- g_strerror(dp_read_errno));
- }
- g_free(dp_path);
- }
+ /* Load libwireshark settings from the current profile. */
+ prefs_p = epan_load_settings();
#ifdef _WIN32
+ ws_init_dll_search_path();
/* Load Wpcap, if possible */
load_wpcap();
#endif
/* Now get our args */
/* XXX - We should probably have an option to dump libpcap link types */
- while ((opt = getopt(argc, argv, optstring)) != -1) {
+ while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
switch (opt) {
case 'd': /* Payload type */
if (!set_link_type(optarg)) {
cmdarg_err("Invalid link type or protocol \"%s\"", optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
case 'F': /* Read field to display */
g_ptr_array_add(disp_fields, g_strdup(optarg));
break;
case 'h': /* Print help and exit */
- print_usage(TRUE);
- exit(0);
+ printf("Rawshark (Wireshark) %s\n"
+ "Dump and analyze network traffic.\n"
+ "See https://www.wireshark.org for more information.\n",
+ get_ws_vcs_version_info());
+ print_usage(stdout);
+ goto clean_exit;
break;
case 'l': /* "Line-buffer" standard output */
/* This isn't line-buffering, strictly speaking, it's just
and the output buffer is only flushed when it fills up). */
line_buffered = TRUE;
break;
+#ifndef _WIN32
+ case 'm':
+ limit.rlim_cur = get_positive_int(optarg, "memory limit");
+ limit.rlim_max = get_positive_int(optarg, "memory limit");
+
+ if(setrlimit(RLIMIT_AS, &limit) != 0) {
+ cmdarg_err("setrlimit() returned error");
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+ break;
+#endif
case 'n': /* No name resolution */
- gbl_resolv_flags.mac_name = FALSE;
- gbl_resolv_flags.network_name = FALSE;
- gbl_resolv_flags.transport_name = FALSE;
- gbl_resolv_flags.concurrent_dns = FALSE;
+ disable_name_resolution();
break;
case 'N': /* Select what types of addresses/port #s to resolve */
badopt = string_to_name_resolve(optarg, &gbl_resolv_flags);
if (badopt != '\0') {
- cmdarg_err("-N specifies unknown resolving option '%c'; valid options are 'm', 'n', and 't'",
+ cmdarg_err("-N specifies unknown resolving option '%c'; valid options are 'd', m', 'n', 'N', and 't'",
badopt);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
case 'o': /* Override preference from command line */
- switch (prefs_set_pref(optarg)) {
+ {
+ char *errmsg = NULL;
+
+ switch (prefs_set_pref(optarg, &errmsg)) {
case PREFS_SET_OK:
break;
case PREFS_SET_SYNTAX_ERR:
- cmdarg_err("Invalid -o flag \"%s\"", optarg);
- exit(1);
+ cmdarg_err("Invalid -o flag \"%s\"%s%s", optarg,
+ errmsg ? ": " : "", errmsg ? errmsg : "");
+ g_free(errmsg);
+ ret = INVALID_OPTION;
+ goto clean_exit;
break;
case PREFS_SET_NO_SUCH_PREF:
case PREFS_SET_OBSOLETE:
cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
break;
}
break;
+ }
case 'p': /* Expect pcap_pkthdr packet headers, which may have 64-bit timestamps */
want_pcap_pkthdr = TRUE;
break;
}
else {
cmdarg_err("Too many display filters");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
case 's': /* Skip PCAP header */
case 'S': /* Print string representations */
if (!parse_field_string_format(optarg)) {
cmdarg_err("Invalid field string format");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
case 't': /* Time stamp type */
else if (strcmp(optarg, "a") == 0)
timestamp_set_type(TS_ABSOLUTE);
else if (strcmp(optarg, "ad") == 0)
- timestamp_set_type(TS_ABSOLUTE_WITH_DATE);
+ timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
+ else if (strcmp(optarg, "adoy") == 0)
+ timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
else if (strcmp(optarg, "d") == 0)
timestamp_set_type(TS_DELTA);
else if (strcmp(optarg, "dd") == 0)
else if (strcmp(optarg, "u") == 0)
timestamp_set_type(TS_UTC);
else if (strcmp(optarg, "ud") == 0)
- timestamp_set_type(TS_UTC_WITH_DATE);
+ timestamp_set_type(TS_UTC_WITH_YMD);
+ else if (strcmp(optarg, "udoy") == 0)
+ timestamp_set_type(TS_UTC_WITH_YDOY);
else {
cmdarg_err("Invalid time stamp type \"%s\"",
optarg);
- cmdarg_err_cont("It must be \"r\" for relative, \"a\" for absolute,");
- cmdarg_err_cont("\"ad\" for absolute with date, or \"d\" for delta.");
- exit(1);
+ cmdarg_err_cont(
+"It must be \"a\" for absolute, \"ad\" for absolute with YYYY-MM-DD date,");
+ cmdarg_err_cont(
+"\"adoy\" for absolute with YYYY/DOY date, \"d\" for delta,");
+ cmdarg_err_cont(
+"\"dd\" for delta displayed, \"e\" for epoch, \"r\" for relative,");
+ cmdarg_err_cont(
+"\"u\" for absolute UTC, \"ud\" for absolute UTC with YYYY-MM-DD date,");
+ cmdarg_err_cont(
+"or \"udoy\" for absolute UTC with YYYY/DOY date.");
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
case 'v': /* Show version and exit */
{
- show_version(comp_info_str, runtime_info_str);
+ show_version("Rawshark (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;
break;
}
default:
case '?': /* Bad flag - print usage message */
- print_usage(TRUE);
- exit(1);
- break;
+ print_usage(stderr);
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ break;
}
}
if (n_rfilters != 0) {
cmdarg_err("Read filters were specified both with \"-R\" "
"and with additional command-line arguments");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
rfilters[n_rfilters] = get_args_as_string(argc, argv, optind);
}
/* Make sure we got a dissector handle for our payload. */
if (encap == WTAP_ENCAP_UNKNOWN) {
cmdarg_err("No valid payload dissector specified.");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
- if (arg_error) {
- print_usage(FALSE);
- exit(1);
- }
-
-
#ifdef _WIN32
/* Start windows sockets */
- WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
+ result = WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
+ if (result != 0)
+ {
+ ret = INIT_ERROR;
+ goto clean_exit;
+ }
#endif /* _WIN32 */
/* At this point MATE will have registered its field array so we can
of the filter. We can now process all the "-z" arguments. */
start_requested_stats();
- /* disabled protocols as per configuration file */
- if (gdp_path == NULL && dp_path == NULL) {
- set_disabled_protos_list();
- }
+ /*
+ * Enabled and disabled protocols and heuristic dissectors as per
+ * command-line options.
+ */
+ setup_enabled_and_disabled_protocols();
/* Build the column format array */
build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
if (n_rfilters != 0) {
for (i = 0; i < n_rfilters; i++) {
- if (!dfilter_compile(rfilters[i], &rfcodes[n_rfcodes])) {
- cmdarg_err("%s", dfilter_error_msg);
- epan_free(cfile.epan);
- epan_cleanup();
- exit(2);
+ gchar *err_msg;
+
+ if (!dfilter_compile(rfilters[i], &rfcodes[n_rfcodes], &err_msg)) {
+ cmdarg_err("%s", err_msg);
+ g_free(err_msg);
+ ret = INVALID_DFILTER;
+ goto clean_exit;
}
n_rfcodes++;
}
relinquish_special_privs_perm();
if (raw_cf_open(&cfile, pipe_name) != CF_OK) {
- epan_free(cfile.epan);
- epan_cleanup();
- exit(2);
+ ret = OPEN_ERROR;
+ goto clean_exit;
}
/* Do we need to PCAP header and magic? */
if (skip_pcap_header) {
- size_t bytes_left = sizeof(struct pcap_hdr) + sizeof(guint32);
+ unsigned int bytes_left = (unsigned int) sizeof(struct pcap_hdr) + sizeof(guint32);
gchar buf[sizeof(struct pcap_hdr) + sizeof(guint32)];
while (bytes_left != 0) {
- ssize_t bytes = read(fd, buf, (int)bytes_left);
+ ssize_t bytes = ws_read(fd, buf, bytes_left);
if (bytes <= 0) {
cmdarg_err("Not enough bytes for pcap header.");
- exit(2);
+ ret = FORMAT_ERROR;
+ goto clean_exit;
}
- bytes_left -= bytes;
+ bytes_left -= (unsigned int)bytes;
}
}
- /* Set timestamp precision; there should arguably be a command-line
- option to let the user set this. */
-#if 0
- switch(wtap_file_tsprecision(cfile.wth)) {
- case(WTAP_FILE_TSPREC_SEC):
- timestamp_set_precision(TS_PREC_AUTO_SEC);
- break;
- case(WTAP_FILE_TSPREC_DSEC):
- timestamp_set_precision(TS_PREC_AUTO_DSEC);
- break;
- case(WTAP_FILE_TSPREC_CSEC):
- timestamp_set_precision(TS_PREC_AUTO_CSEC);
- break;
- case(WTAP_FILE_TSPREC_MSEC):
- timestamp_set_precision(TS_PREC_AUTO_MSEC);
- break;
- case(WTAP_FILE_TSPREC_USEC):
- timestamp_set_precision(TS_PREC_AUTO_USEC);
- break;
- case(WTAP_FILE_TSPREC_NSEC):
- timestamp_set_precision(TS_PREC_AUTO_NSEC);
- break;
- default:
- g_assert_not_reached();
- }
-#else
- timestamp_set_precision(TS_PREC_AUTO_USEC);
-#endif
-
/* Process the packets in the file */
- err = load_cap_file(&cfile);
-
- if (err != 0) {
- epan_free(cfile.epan);
- epan_cleanup();
- exit(2);
+ if (!load_cap_file(&cfile)) {
+ ret = OPEN_ERROR;
+ goto clean_exit;
}
} else {
/* If you want to capture live packets, use TShark. */
cmdarg_err("Input file or pipe name not specified.");
- exit(2);
+ ret = OPEN_ERROR;
+ goto clean_exit;
}
+clean_exit:
epan_free(cfile.epan);
epan_cleanup();
-
- return 0;
+#ifdef HAVE_EXTCAP
+ extcap_cleanup();
+#endif
+ wtap_cleanup();
+ return ret;
}
/**
* @return TRUE on success, FALSE on failure.
*/
static gboolean
-raw_pipe_read(struct wtap_pkthdr *phdr, guchar * pd, int *err, const gchar **err_info, gint64 *data_offset) {
+raw_pipe_read(struct wtap_pkthdr *phdr, guchar * pd, int *err, gchar **err_info, gint64 *data_offset) {
struct pcap_pkthdr mem_hdr;
struct pcaprec_hdr disk_hdr;
ssize_t bytes_read = 0;
- size_t bytes_needed = sizeof(disk_hdr);
+ unsigned int bytes_needed = (unsigned int) sizeof(disk_hdr);
guchar *ptr = (guchar*) &disk_hdr;
- static gchar err_str[100];
+
+ *err = 0;
if (want_pcap_pkthdr) {
bytes_needed = sizeof(mem_hdr);
ptr = (guchar*) &mem_hdr;
}
+ /*
+ * Newer versions of the VC runtime do parameter validation. If stdin
+ * has been closed, calls to _read, _get_osfhandle, et al will trigger
+ * the invalid parameter handler and crash.
+ * We could alternatively use ReadFile or set an invalid parameter
+ * handler.
+ * We could also tell callers not to close stdin prematurely.
+ */
+#ifdef _WIN32
+ DWORD ghi_flags;
+ if (fd == 0 && GetHandleInformation(GetStdHandle(STD_INPUT_HANDLE), &ghi_flags) == 0) {
+ *err = 0;
+ *err_info = NULL;
+ return FALSE;
+ }
+#endif
+
/* Copied from capture_loop.c */
while (bytes_needed > 0) {
- bytes_read = read(fd, ptr, (int)bytes_needed);
+ bytes_read = ws_read(fd, ptr, bytes_needed);
if (bytes_read == 0) {
*err = 0;
+ *err_info = NULL;
return FALSE;
} else if (bytes_read < 0) {
- *err = WTAP_ERR_CANT_READ;
- *err_info = "Error reading header from pipe";
+ *err = errno;
+ *err_info = NULL;
return FALSE;
}
- bytes_needed -= bytes_read;
+ bytes_needed -= (unsigned int)bytes_read;
*data_offset += bytes_read;
ptr += bytes_read;
}
#endif
if (bytes_needed > WTAP_MAX_PACKET_SIZE) {
*err = WTAP_ERR_BAD_FILE;
- g_snprintf(err_str, 100, "Bad packet length: %lu\n",
+ *err_info = g_strdup_printf("Bad packet length: %lu\n",
(unsigned long) bytes_needed);
- *err_info = err_str;
return FALSE;
}
ptr = pd;
while (bytes_needed > 0) {
- bytes_read = read(fd, ptr, (int)bytes_needed);
+ bytes_read = ws_read(fd, ptr, bytes_needed);
if (bytes_read == 0) {
*err = WTAP_ERR_SHORT_READ;
- *err_info = "Got zero bytes reading data from pipe";
+ *err_info = NULL;
return FALSE;
} else if (bytes_read < 0) {
- *err = WTAP_ERR_CANT_READ;
- *err_info = "Error reading data from pipe";
+ *err = errno;
+ *err_info = NULL;
return FALSE;
}
- bytes_needed -= bytes_read;
+ bytes_needed -= (unsigned int)bytes_read;
*data_offset += bytes_read;
ptr += bytes_read;
}
return TRUE;
}
-static int
+static gboolean
load_cap_file(capture_file *cf)
{
int err;
- const gchar *err_info;
+ gchar *err_info = NULL;
gint64 data_offset = 0;
- struct wtap_pkthdr phdr;
- guchar pd[WTAP_MAX_PACKET_SIZE];
- memset(&phdr, 0, sizeof(phdr));
+ guchar *pd;
+ struct wtap_pkthdr phdr;
+ epan_dissect_t edt;
+
+ wtap_phdr_init(&phdr);
+
+ epan_dissect_init(&edt, cf->epan, TRUE, FALSE);
+ pd = (guchar*)g_malloc(WTAP_MAX_PACKET_SIZE);
while (raw_pipe_read(&phdr, pd, &err, &err_info, &data_offset)) {
- process_packet(cf, data_offset, &phdr, pd);
+ process_packet(cf, &edt, data_offset, &phdr, pd);
}
+ epan_dissect_cleanup(&edt);
+
+ wtap_phdr_cleanup(&phdr);
+ g_free(pd);
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
- switch (err) {
-
- case WTAP_ERR_UNSUPPORTED_ENCAP:
- cmdarg_err("The file \"%s\" has a packet with a network type that Rawshark doesn't support.\n(%s)",
- cf->filename, err_info);
- break;
-
- case WTAP_ERR_CANT_READ:
- cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
- cf->filename);
- break;
-
- case WTAP_ERR_SHORT_READ:
- cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
- cf->filename);
- break;
-
- case WTAP_ERR_BAD_FILE:
- cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
- cf->filename, err_info);
- break;
-
- case WTAP_ERR_DECOMPRESS:
- cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n(%s)",
- cf->filename, err_info);
- break;
-
- default:
- cmdarg_err("An error occurred while reading the file \"%s\": %s.",
- cf->filename, wtap_strerror(err));
- break;
- }
+ cfile_read_failure_message("Rawshark", cf->filename, err, err_info);
+ return FALSE;
}
- return err;
+ return TRUE;
}
static gboolean
-process_packet(capture_file *cf, gint64 offset, struct wtap_pkthdr *whdr,
- const guchar *pd)
+process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
+ struct wtap_pkthdr *whdr, const guchar *pd)
{
frame_data fdata;
- gboolean create_proto_tree;
- epan_dissect_t edt;
gboolean passed;
int i;
frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
passed = TRUE;
- create_proto_tree = TRUE;
-
- /* The protocol tree will be "visible", i.e., printed, only if we're
- printing packet details, which is true if we're in verbose mode ("verbose"
- is true). */
- epan_dissect_init(&edt, cf->epan, create_proto_tree, FALSE);
/* If we're running a read filter, prime the epan_dissect_t with that
filter. */
if (n_rfilters > 0) {
for(i = 0; i < n_rfcodes; i++) {
- epan_dissect_prime_dfilter(&edt, rfcodes[i]);
+ epan_dissect_prime_with_dfilter(edt, rfcodes[i]);
}
}
/* We only need the columns if we're printing packet info but we're
*not* verbose; in verbose mode, we print the protocol tree, not
the protocol summary. */
- epan_dissect_run_with_taps(&edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, &cf->cinfo);
+ epan_dissect_run_with_taps(edt, cf->cd_t, whdr, frame_tvbuff_new(&fdata, pd), &fdata, &cf->cinfo);
frame_data_set_after_dissect(&fdata, &cum_bytes);
prev_dis_frame = fdata;
for(i = 0; i < n_rfilters; i++) {
/* Run the read filter if we have one. */
if (rfcodes[i])
- passed = dfilter_apply_edt(rfcodes[i], &edt);
+ passed = dfilter_apply_edt(rfcodes[i], edt);
else
passed = TRUE;
/* Print a one-line summary */
- printf(" %u", passed ? 1 : 0);
+ printf(" %d", passed ? 1 : 0);
}
printf(" -\n");
exit(2);
}
- epan_dissect_cleanup(&edt);
+ epan_dissect_reset(edt);
frame_data_destroy(&fdata);
return passed;
static const char* ftenum_to_string(header_field_info *hfi)
{
+ const char* str;
if (!hfi) {
return "n.a.";
}
return "FT_STRING";
}
- switch(hfi->type) {
- case FT_NONE:
- return "FT_NONE";
- case FT_PROTOCOL:
- return "FT_PROTOCOL";
- case FT_BOOLEAN:
- return "FT_BOOLEAN";
- case FT_UINT8:
- return "FT_UINT8";
- case FT_UINT16:
- return "FT_UINT16";
- case FT_UINT24:
- return "FT_UINT24";
- case FT_UINT32:
- return "FT_UINT32";
- case FT_UINT64:
- return "FT_UINT64";
- case FT_INT8:
- return "FT_INT8";
- case FT_INT16:
- return "FT_INT16";
- case FT_INT24:
- return "FT_INT24";
- case FT_INT32:
- return "FT_INT32";
- case FT_INT64:
- return "FT_INT64";
- case FT_FLOAT:
- return "FT_FLOAT";
- case FT_DOUBLE:
- return "FT_DOUBLE";
- case FT_ABSOLUTE_TIME:
- return "FT_ABSOLUTE_TIME";
- case FT_RELATIVE_TIME:
- return "FT_RELATIVE_TIME";
- case FT_STRING:
- return "FT_STRING";
- case FT_STRINGZ:
- return "FT_STRINGZ";
- case FT_UINT_STRING:
- return "FT_UINT_STRING";
- case FT_ETHER:
- return "FT_ETHER";
- case FT_BYTES:
- return "FT_BYTES";
- case FT_UINT_BYTES:
- return "FT_UINT_BYTES";
- case FT_IPv4:
- return "FT_IPv4";
- case FT_IPv6:
- return "FT_IPv6";
- case FT_IPXNET:
- return "FT_IPXNET";
- case FT_FRAMENUM:
- return "FT_FRAMENUM";
- case FT_PCRE:
- return "FT_PCRE";
- case FT_GUID:
- return "FT_GUID";
- case FT_OID:
- return "FT_OID";
- case FT_REL_OID:
- return "FT_REL_OID";
- case FT_NUM_TYPES:
- return "FT_NUM_TYPES";
- default:
- return "n.a.";
- };
-}
-
-static const char* absolute_time_display_e_to_string(absolute_time_display_e atd)
-{
- switch(atd) {
- case ABSOLUTE_TIME_LOCAL:
- return "ABSOLUTE_TIME_LOCAL";
- case ABSOLUTE_TIME_UTC:
- return "ABSOLUTE_TIME_UTC";
- default:
- return "n.a.";
+ str = ftype_name(hfi->type);
+ if (str == NULL) {
+ str = "n.a.";
}
+
+ return str;
}
-static const char* base_display_e_to_string(base_display_e bd)
+static void field_display_to_string(header_field_info *hfi, char* buf, int size)
{
- switch(bd) {
- case BASE_NONE:
- return "BASE_NONE";
- case BASE_DEC:
- return "BASE_DEC";
- case BASE_HEX:
- return "BASE_HEX";
- case BASE_OCT:
- return "BASE_OCT";
- case BASE_DEC_HEX:
- return "BASE_DEC_HEX";
- case BASE_HEX_DEC:
- return "BASE_HEX_DEC";
- default:
- return "n.a.";
+ if (hfi->type != FT_BOOLEAN)
+ {
+ g_strlcpy(buf, proto_field_display_to_string(hfi->display), size);
+ }
+ else
+ {
+ g_snprintf(buf, size, "(Bit count: %d)", hfi->display);
}
}
static gboolean print_field_value(field_info *finfo, int cmd_line_index)
{
header_field_info *hfinfo;
- static char *fs_buf = NULL;
- char *fs_ptr = fs_buf;
+ char *fs_buf = NULL;
+ char *fs_ptr = NULL;
static GString *label_s = NULL;
- int fs_buf_len = FIELD_STR_INIT_LEN, fs_len;
+ int fs_len;
guint i;
string_fmt_t *sf;
guint32 uvalue;
hfinfo = finfo->hfinfo;
- if (!fs_buf) {
- fs_buf = (char *)g_malloc(fs_buf_len + 1);
- fs_ptr = fs_buf;
- }
-
if (!label_s) {
label_s = g_string_new("");
}
* this field has an associated value,
* e.g: ip.hdr_len
*/
- fs_len = fvalue_string_repr_len(&finfo->value, FTREPR_DFILTER);
- while (fs_buf_len < fs_len) {
- fs_buf_len *= 2;
- fs_buf = (char *)g_realloc(fs_buf, fs_buf_len + 1);
- fs_ptr = fs_buf;
- }
- fvalue_to_string_repr(&finfo->value,
- FTREPR_DFILTER,
- fs_buf);
+ fs_len = fvalue_string_repr_len(&finfo->value, FTREPR_DFILTER, finfo->hfinfo->display);
+ fs_buf = fvalue_to_string_repr(NULL, &finfo->value,
+ FTREPR_DFILTER, finfo->hfinfo->display);
+ fs_ptr = fs_buf;
/* String types are quoted. Remove them. */
- if ((finfo->value.ftype->ftype == FT_STRING || finfo->value.ftype->ftype == FT_STRINGZ) && fs_len > 2) {
+ if (IS_FT_STRING(finfo->value.ftype->ftype) && fs_len > 2) {
fs_buf[fs_len - 1] = '\0';
fs_ptr++;
}
case SF_STRVAL:
switch(hfinfo->type) {
case FT_BOOLEAN:
- uvalue = fvalue_get_uinteger(&finfo->value);
+ uvalue64 = fvalue_get_uinteger64(&finfo->value);
tfstring = (const struct true_false_string*) hfinfo->strings;
- g_string_append(label_s, uvalue ? tfstring->true_string : tfstring->false_string);
+ g_string_append(label_s, uvalue64 ? tfstring->true_string : tfstring->false_string);
break;
case FT_INT8:
case FT_INT16:
if (hfinfo->display & BASE_RANGE_STRING) {
g_string_append(label_s, rval_to_str_const(svalue, RVALS(hfinfo->strings), "Unknown"));
} else if (hfinfo->display & BASE_EXT_STRING) {
- g_string_append(label_s, val_to_str_ext_const(svalue, (const value_string_ext *) hfinfo->strings, "Unknown"));
+ g_string_append(label_s, val_to_str_ext_const(svalue, (value_string_ext *) hfinfo->strings, "Unknown"));
} else {
g_string_append(label_s, val_to_str_const(svalue, cVALS(hfinfo->strings), "Unknown"));
}
break;
+ case FT_INT40: /* XXX: Shouldn't these be as smart as FT_INT{8,16,24,32}? */
+ case FT_INT48:
+ case FT_INT56:
case FT_INT64:
DISSECTOR_ASSERT(!hfinfo->bitmask);
- svalue64 = (gint64)fvalue_get_integer64(&finfo->value);
+ svalue64 = (gint64)fvalue_get_sinteger64(&finfo->value);
if (hfinfo->display & BASE_VAL64_STRING) {
g_string_append(label_s, val64_to_str_const(svalue64, (const val64_string *)(hfinfo->strings), "Unknown"));
}
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
+ DISSECTOR_ASSERT(!hfinfo->bitmask);
uvalue = fvalue_get_uinteger(&finfo->value);
if (!hfinfo->bitmask && hfinfo->display & BASE_RANGE_STRING) {
g_string_append(label_s, rval_to_str_const(uvalue, RVALS(hfinfo->strings), "Unknown"));
} else if (hfinfo->display & BASE_EXT_STRING) {
- g_string_append(label_s, val_to_str_ext_const(uvalue, (const value_string_ext *) hfinfo->strings, "Unknown"));
+ g_string_append(label_s, val_to_str_ext_const(uvalue, (value_string_ext *) hfinfo->strings, "Unknown"));
} else {
g_string_append(label_s, val_to_str_const(uvalue, cVALS(hfinfo->strings), "Unknown"));
}
break;
+ case FT_UINT40: /* XXX: Shouldn't these be as smart as FT_INT{8,16,24,32}? */
+ case FT_UINT48:
+ case FT_UINT56:
case FT_UINT64:
DISSECTOR_ASSERT(!hfinfo->bitmask);
- uvalue64 = fvalue_get_integer64(&finfo->value);
+ uvalue64 = fvalue_get_uinteger64(&finfo->value);
if (hfinfo->display & BASE_VAL64_STRING) {
g_string_append(label_s, val64_to_str_const(uvalue64, (const val64_string *)(hfinfo->strings), "Unknown"));
}
}
}
}
- printf(" %u=\"%s\"", cmd_line_index, label_s->str);
+ printf(" %d=\"%s\"", cmd_line_index, label_s->str);
+ wmem_free(NULL, fs_buf);
return TRUE;
}
if(finfo->value.ftype->val_to_string_repr)
{
- printf(" %u=\"%s\"", cmd_line_index, fs_ptr);
+ printf(" %d=\"%s\"", cmd_line_index, fs_ptr);
+ wmem_free(NULL, fs_buf);
return TRUE;
}
* e.g. http
* We return n.a.
*/
- printf(" %u=\"n.a.\"", cmd_line_index);
+ printf(" %d=\"n.a.\"", cmd_line_index);
return TRUE;
}
pci_t *rs;
header_field_info *hfi;
GString *error_string;
+ char hfibuf[100];
hfi=proto_registrar_get_byname(field);
if(!hfi){
exit(1);
}
- switch (hfi->type) {
-
- case FT_ABSOLUTE_TIME:
- printf("%u %s %s - ",
- g_cmd_line_index,
- ftenum_to_string(hfi),
- absolute_time_display_e_to_string((absolute_time_display_e)hfi->display));
- break;
-
- default:
- printf("%u %s %s - ",
- g_cmd_line_index,
- ftenum_to_string(hfi),
- base_display_e_to_string((base_display_e)hfi->display));
- break;
- }
+ field_display_to_string(hfi, hfibuf, sizeof(hfibuf));
+ printf("%d %s %s - ",
+ g_cmd_line_index,
+ ftenum_to_string(hfi),
+ hfibuf);
rs=(pci_t *)g_malloc(sizeof(pci_t));
rs->hf_index=hfi->id;
}
}
+/*
+ * General errors and warnings are reported with an console message
+ * in Rawshark.
+ */
+static void
+failure_warning_message(const char *msg_format, va_list ap)
+{
+ fprintf(stderr, "rawshark: ");
+ vfprintf(stderr, msg_format, ap);
+ fprintf(stderr, "\n");
+}
+
/*
* Open/create errors are reported with an console message in Rawshark.
*/
epan->data = cf;
epan->get_frame_ts = raw_get_frame_ts;
epan->get_interface_name = cap_file_get_interface_name;
+ epan->get_interface_description = cap_file_get_interface_description;
epan->get_user_comment = NULL;
return epan;
/* No user changes yet. */
cf->unsaved_changes = FALSE;
- cf->cd_t = WTAP_FILE_UNKNOWN;
+ cf->cd_t = WTAP_FILE_TYPE_SUBTYPE_UNKNOWN;
+ cf->open_type = WTAP_TYPE_AUTO;
cf->count = 0;
cf->drops_known = FALSE;
cf->drops = 0;
return CF_OK;
}
-
-/*
- * General errors are reported with an console message in Rawshark.
- */
-static void
-failure_message(const char *msg_format, va_list ap)
-{
- fprintf(stderr, "rawshark: ");
- vfprintf(stderr, msg_format, ap);
- fprintf(stderr, "\n");
-}
-
/*
* Read errors are reported with an console message in Rawshark.
*/
/*
* Report an error in command-line arguments.
*/
-void
-cmdarg_err(const char *fmt, ...)
+static void
+rawshark_cmdarg_err(const char *fmt, va_list ap)
{
- va_list ap;
-
- va_start(ap, fmt);
fprintf(stderr, "rawshark: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
- va_end(ap);
}
/*
* Report additional information for an error in command-line arguments.
*/
-void
-cmdarg_err_cont(const char *fmt, ...)
+static void
+rawshark_cmdarg_err_cont(const char *fmt, va_list ap)
{
- va_list ap;
-
- va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
- va_end(ap);
}
-
/*
* Editor modelines
*
git.samba.org / metze / wireshark / wip.git / blobdiff