c302812566
We save a list of dissectors that are disabled through the Enabled Protocols dialog. This is because we assume dissectors are enabled by default. For dissectors that are disabled by default, we have no way to keep them enabled through the Enabled Protocols dialog. A dissector that defaults to being disabled has to be reset to enabled each time Wireshark is launched. Add a list similar to the disabled list for enabling dissectors that are disabled by default. This mostly applies to post-dissectors. Change-Id: I31a8d97a9fdbc472fe2a8666384e0f8786bb8e9f Reviewed-on: https://code.wireshark.org/review/19405 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
684 lines
28 KiB
C
684 lines
28 KiB
C
/* commandline.c
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* Common command line handling between GUIs
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <glib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#ifndef HAVE_GETOPT_LONG
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#include "wsutil/wsgetopt.h"
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#endif
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#include <ws_version_info.h>
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#include <wsutil/clopts_common.h>
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#include <wsutil/cmdarg_err.h>
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#include <wsutil/filesystem.h>
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#include <epan/ex-opt.h>
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#include <epan/packet.h>
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#include <epan/proto.h>
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#include <epan/prefs.h>
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#include <epan/prefs-int.h>
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#include <epan/stat_tap_ui.h>
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#include "capture_opts.h"
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#include "persfilepath_opt.h"
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#include "preference_utils.h"
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#include "console.h"
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#include "recent.h"
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#include "decode_as_utils.h"
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#include "../file.h"
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#include "ui/dissect_opts.h"
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#include "ui/commandline.h"
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commandline_param_info_t global_commandline_info;
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#if defined(HAVE_LIBPCAP) || defined(HAVE_EXTCAP)
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capture_options global_capture_opts;
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#endif
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void
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commandline_print_usage(gboolean for_help_option) {
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FILE *output;
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#ifdef _WIN32
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create_console();
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#endif
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if (for_help_option) {
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output = stdout;
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fprintf(output, "Wireshark %s\n"
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"Interactively dump and analyze network traffic.\n"
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"See https://www.wireshark.org for more information.\n",
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get_ws_vcs_version_info());
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} else {
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output = stderr;
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}
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fprintf(output, "\n");
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fprintf(output, "Usage: wireshark [options] ... [ <infile> ]\n");
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fprintf(output, "\n");
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#ifdef HAVE_LIBPCAP
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fprintf(output, "Capture interface:\n");
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fprintf(output, " -i <interface> name or idx of interface (def: first non-loopback)\n");
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fprintf(output, " -f <capture filter> packet filter in libpcap filter syntax\n");
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fprintf(output, " -s <snaplen> packet snapshot length (def: 65535)\n");
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fprintf(output, " -p don't capture in promiscuous mode\n");
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fprintf(output, " -k start capturing immediately (def: do nothing)\n");
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fprintf(output, " -S update packet display when new packets are captured\n");
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fprintf(output, " -l turn on automatic scrolling while -S is in use\n");
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#ifdef HAVE_PCAP_CREATE
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fprintf(output, " -I capture in monitor mode, if available\n");
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#endif
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#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
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fprintf(output, " -B <buffer size> size of kernel buffer (def: %dMB)\n", DEFAULT_CAPTURE_BUFFER_SIZE);
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#endif
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fprintf(output, " -y <link type> link layer type (def: first appropriate)\n");
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fprintf(output, " -D print list of interfaces and exit\n");
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fprintf(output, " -L print list of link-layer types of iface and exit\n");
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fprintf(output, "\n");
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fprintf(output, "Capture stop conditions:\n");
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fprintf(output, " -c <packet count> stop after n packets (def: infinite)\n");
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fprintf(output, " -a <autostop cond.> ... duration:NUM - stop after NUM seconds\n");
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fprintf(output, " filesize:NUM - stop this file after NUM KB\n");
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fprintf(output, " files:NUM - stop after NUM files\n");
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/*fprintf(output, "\n");*/
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fprintf(output, "Capture output:\n");
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fprintf(output, " -b <ringbuffer opt.> ... duration:NUM - switch to next file after NUM secs\n");
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fprintf(output, " filesize:NUM - switch to next file after NUM KB\n");
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fprintf(output, " files:NUM - ringbuffer: replace after NUM files\n");
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#endif /* HAVE_LIBPCAP */
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#ifdef HAVE_PCAP_REMOTE
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fprintf(output, "RPCAP options:\n");
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fprintf(output, " -A <user>:<password> use RPCAP password authentication\n");
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#endif
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/*fprintf(output, "\n");*/
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fprintf(output, "Input file:\n");
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fprintf(output, " -r <infile> set the filename to read from (no pipes or stdin!)\n");
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fprintf(output, "\n");
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fprintf(output, "Processing:\n");
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fprintf(output, " -R <read filter> packet filter in Wireshark display filter syntax\n");
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fprintf(output, " -n disable all name resolutions (def: all enabled)\n");
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fprintf(output, " -N <name resolve flags> enable specific name resolution(s): \"mnNtd\"\n");
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fprintf(output, " -d %s ...\n", DECODE_AS_ARG_TEMPLATE);
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fprintf(output, " \"Decode As\", see the man page for details\n");
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fprintf(output, " Example: tcp.port==8888,http\n");
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fprintf(output, " --disable-protocol <proto_name>\n");
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fprintf(output, " disable dissection of proto_name\n");
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fprintf(output, " --enable-heuristic <short_name>\n");
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fprintf(output, " enable dissection of heuristic protocol\n");
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fprintf(output, " --disable-heuristic <short_name>\n");
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fprintf(output, " disable dissection of heuristic protocol\n");
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fprintf(output, "\n");
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fprintf(output, "User interface:\n");
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fprintf(output, " -C <config profile> start with specified configuration profile\n");
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fprintf(output, " -Y <display filter> start with the given display filter\n");
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fprintf(output, " -g <packet number> go to specified packet number after \"-r\"\n");
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fprintf(output, " -J <jump filter> jump to the first packet matching the (display)\n");
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fprintf(output, " filter\n");
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fprintf(output, " -j search backwards for a matching packet after \"-J\"\n");
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fprintf(output, " -m <font> set the font name used for most text\n");
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fprintf(output, " -t a|ad|d|dd|e|r|u|ud output format of time stamps (def: r: rel. to first)\n");
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fprintf(output, " -u s|hms output format of seconds (def: s: seconds)\n");
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fprintf(output, " -X <key>:<value> eXtension options, see man page for details\n");
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fprintf(output, " -z <statistics> show various statistics, see man page for details\n");
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fprintf(output, "\n");
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fprintf(output, "Output:\n");
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fprintf(output, " -w <outfile|-> set the output filename (or '-' for stdout)\n");
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fprintf(output, "\n");
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fprintf(output, "Miscellaneous:\n");
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fprintf(output, " -h display this help and exit\n");
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fprintf(output, " -v display version info and exit\n");
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fprintf(output, " -P <key>:<path> persconf:path - personal configuration files\n");
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fprintf(output, " persdata:path - personal data files\n");
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fprintf(output, " -o <name>:<value> ... override preference or recent setting\n");
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fprintf(output, " -K <keytab> keytab file to use for kerberos decryption\n");
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#ifndef _WIN32
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fprintf(output, " --display=DISPLAY X display to use\n");
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#endif
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fprintf(output, " --fullscreen start Wireshark in full screen\n");
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#ifdef _WIN32
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destroy_console();
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#endif
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}
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/*
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* For long options with no corresponding short options, we define values
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* outside the range of ASCII graphic characters, make that the last
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* component of the entry for the long option, and have a case for that
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* option in the switch statement.
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*
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* We also pick values >= 65536, so as to leave values from 128 to 65535
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* for capture and dissection options.
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*/
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#define LONGOPT_FULL_SCREEN 65536
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#define OPTSTRING OPTSTRING_CAPTURE_COMMON OPTSTRING_DISSECT_COMMON "C:g:Hh" "jJ:klm:o:P:r:R:Svw:X:Y:z:"
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static const struct option long_options[] = {
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{"help", no_argument, NULL, 'h'},
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{"read-file", required_argument, NULL, 'r' },
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{"read-filter", required_argument, NULL, 'R' },
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{"display-filter", required_argument, NULL, 'Y' },
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{"version", no_argument, NULL, 'v'},
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{"fullscreen", no_argument, NULL, LONGOPT_FULL_SCREEN },
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LONGOPT_CAPTURE_COMMON
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LONGOPT_DISSECT_COMMON
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{0, 0, 0, 0 }
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};
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static const char optstring[] = OPTSTRING;
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#ifndef HAVE_LIBPCAP
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static void print_no_capture_support_error(void)
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{
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cmdarg_err("This version of Wireshark was not built with support for capturing packets.");
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}
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#endif
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void commandline_early_options(int argc, char *argv[],
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GString *comp_info_str, GString *runtime_info_str)
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{
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int opt;
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#ifdef HAVE_LIBPCAP
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int err;
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GList *if_list;
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gchar *err_str;
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#else
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gboolean capture_option_specified;
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#endif
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/*
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* In order to have the -X opts assigned before the wslua machine starts
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* we need to call getopt_long before epan_init() gets called.
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*
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* In addition, we process "console only" parameters (ones where we
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* send output to the console and exit) here, so we don't start GUI
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* if we're only showing command-line help or version information.
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*
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* XXX - this pre-scan is done before we start GUI, so we haven't
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* run "GUI init function" on the arguments. That means that GUI-specific
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* arguments have not been removed from the argument list; those arguments
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* begin with "--", and will be treated as an error by getopt_long().
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*
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* We thus ignore errors - *and* set "opterr" to 0 to suppress the
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* error messages.
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*
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* XXX - should we, instead, first call gtk_parse_args(), without
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* calling gtk_init(), and then call this?
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*
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* In order to handle, for example, -o options, we also need to call it
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* *after* epan_init() gets called, so that the dissectors have had a
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* chance to register their preferences, so we have another getopt_long()
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* call later.
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*
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* XXX - can we do this all with one getopt_long() call, saving the
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* arguments we can't handle until after initializing libwireshark,
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* and then process them after initializing libwireshark?
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*
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* Note that we don't want to initialize libwireshark until after the
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* GUI is up, as that can take a while, and we want a window of some
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* sort up to show progress while that's happening.
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*/
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opterr = 0;
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#ifndef HAVE_LIBPCAP
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capture_option_specified = FALSE;
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#endif
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while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
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switch (opt) {
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case 'C': /* Configuration Profile */
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if (profile_exists (optarg, FALSE)) {
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set_profile_name (optarg);
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} else {
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cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
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exit(1);
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}
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break;
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case 'D': /* Print a list of capture devices and exit */
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#ifdef HAVE_LIBPCAP
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if_list = capture_interface_list(&err, &err_str, NULL);
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if (if_list == NULL) {
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if (err == 0)
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cmdarg_err("There are no interfaces on which a capture can be done");
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else {
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cmdarg_err("%s", err_str);
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g_free(err_str);
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}
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exit(2);
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}
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#ifdef _WIN32
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create_console();
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#endif /* _WIN32 */
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capture_opts_print_interfaces(if_list);
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free_interface_list(if_list);
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#ifdef _WIN32
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destroy_console();
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#endif /* _WIN32 */
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exit(0);
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#else /* HAVE_LIBPCAP */
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capture_option_specified = TRUE;
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#endif /* HAVE_LIBPCAP */
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break;
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case 'h': /* Print help and exit */
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commandline_print_usage(TRUE);
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exit(0);
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break;
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#ifdef _WIN32
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case 'i':
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if (strcmp(optarg, "-") == 0)
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set_stdin_capture(TRUE);
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break;
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#endif
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case 'P': /* Personal file directory path settings - change these before the Preferences and alike are processed */
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if (!persfilepath_opt(opt, optarg)) {
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cmdarg_err("-P flag \"%s\" failed (hint: is it quoted and existing?)", optarg);
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exit(2);
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}
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break;
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case 'v': /* Show version and exit */
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#ifdef _WIN32
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create_console();
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#endif
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show_version("Wireshark", comp_info_str, runtime_info_str);
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#ifdef _WIN32
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destroy_console();
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#endif
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exit(0);
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break;
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case 'X':
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/*
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* Extension command line options have to be processed before
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* we call epan_init() as they are supposed to be used by dissectors
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* or taps very early in the registration process.
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*/
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ex_opt_add(optarg);
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break;
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case '?': /* Ignore errors - the "real" scan will catch them. */
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break;
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}
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}
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#ifndef HAVE_LIBPCAP
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if (capture_option_specified) {
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print_no_capture_support_error();
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commandline_print_usage(FALSE);
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exit(1);
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}
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#endif
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}
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void commandline_other_options(int argc, char *argv[], gboolean opt_reset)
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{
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int opt;
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gboolean arg_error = FALSE;
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#ifdef HAVE_LIBPCAP
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int status;
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#else
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gboolean capture_option_specified;
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#endif
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/*
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* To reset the options parser, set optreset to 1 on platforms that
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* have optreset (documented in *BSD and OS X, apparently present but
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* not documented in Solaris - the Illumos repository seems to
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* suggest that the first Solaris getopt_long(), at least as of 2004,
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* was based on the NetBSD one, it had optreset) and set optind to 1,
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* and set optind to 0 otherwise (documented as working in the GNU
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* getopt_long(). Setting optind to 0 didn't originally work in the
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* NetBSD one, but that was added later - we don't want to depend on
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* it if we have optreset).
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*
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* Also reset opterr to 1, so that error messages are printed by
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* getopt_long().
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*
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* XXX - if we want to control all the command-line option errors, so
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* that we can display them where we choose (e.g., in a window), we'd
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* want to leave opterr as 0, and produce our own messages using optopt.
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* We'd have to check the value of optopt to see if it's a valid option
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* letter, in which case *presumably* the error is "this option requires
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* an argument but none was specified", or not a valid option letter,
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* in which case *presumably* the error is "this option isn't valid".
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* Some versions of getopt() let you supply a option string beginning
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* with ':', which means that getopt() will return ':' rather than '?'
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* for "this option requires an argument but none was specified", but
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* not all do. But we're now using getopt_long() - what does it do?
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*/
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if (opt_reset) {
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#ifdef HAVE_OPTRESET
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optreset = 1;
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optind = 1;
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#else
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optind = 0;
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#endif
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opterr = 1;
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}
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/* Initialize with default values */
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dissect_opts_init();
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global_commandline_info.jump_backwards = SD_FORWARD;
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global_commandline_info.go_to_packet = 0;
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global_commandline_info.jfilter = NULL;
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global_commandline_info.cf_name = NULL;
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global_commandline_info.rfilter = NULL;
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global_commandline_info.dfilter = NULL;
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#ifdef HAVE_LIBPCAP
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global_commandline_info.start_capture = FALSE;
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global_commandline_info.list_link_layer_types = FALSE;
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global_commandline_info.quit_after_cap = getenv("WIRESHARK_QUIT_AFTER_CAPTURE") ? TRUE : FALSE;
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#endif
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global_commandline_info.full_screen = FALSE;
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while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
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switch (opt) {
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/*** capture option specific ***/
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case 'a': /* autostop criteria */
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case 'b': /* Ringbuffer option */
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case 'c': /* Capture xxx packets */
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case 'f': /* capture filter */
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case 'k': /* Start capture immediately */
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case 'H': /* Hide capture info dialog box */
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case 'p': /* Don't capture in promiscuous mode */
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case 'i': /* Use interface x */
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#ifdef HAVE_PCAP_CREATE
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case 'I': /* Capture in monitor mode, if available */
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#endif
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#ifdef HAVE_PCAP_REMOTE
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case 'A': /* Authentication */
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#endif
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case 's': /* Set the snapshot (capture) length */
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case 'S': /* "Sync" mode: used for following file ala tail -f */
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case 'w': /* Write to capture file xxx */
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case 'y': /* Set the pcap data link type */
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#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
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case 'B': /* Buffer size */
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#endif
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#ifdef HAVE_LIBPCAP
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status = capture_opts_add_opt(&global_capture_opts, opt, optarg,
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&global_commandline_info.start_capture);
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if(status != 0) {
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exit(status);
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}
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#else
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capture_option_specified = TRUE;
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arg_error = TRUE;
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#endif
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break;
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/*** all non capture option specific ***/
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case 'C':
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/* Configuration profile settings were already processed just ignore them this time*/
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break;
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case 'j': /* Search backwards for a matching packet from filter in option J */
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global_commandline_info.jump_backwards = SD_BACKWARD;
|
|
break;
|
|
case 'g': /* Go to packet with the given packet number */
|
|
global_commandline_info.go_to_packet = get_nonzero_guint32(optarg, "go to packet");
|
|
break;
|
|
case 'J': /* Jump to the first packet which matches the filter criteria */
|
|
global_commandline_info.jfilter = optarg;
|
|
break;
|
|
case 'l': /* Automatic scrolling in live capture mode */
|
|
#ifdef HAVE_LIBPCAP
|
|
auto_scroll_live = TRUE;
|
|
#else
|
|
capture_option_specified = TRUE;
|
|
arg_error = TRUE;
|
|
#endif
|
|
break;
|
|
case 'L': /* Print list of link-layer types and exit */
|
|
#ifdef HAVE_LIBPCAP
|
|
global_commandline_info.list_link_layer_types = TRUE;
|
|
#else
|
|
capture_option_specified = TRUE;
|
|
arg_error = TRUE;
|
|
#endif
|
|
break;
|
|
case 'o': /* Override preference from command line */
|
|
switch (prefs_set_pref(optarg)) {
|
|
case PREFS_SET_OK:
|
|
break;
|
|
case PREFS_SET_SYNTAX_ERR:
|
|
cmdarg_err("Invalid -o flag \"%s\"", optarg);
|
|
exit(1);
|
|
break;
|
|
case PREFS_SET_NO_SUCH_PREF:
|
|
/* not a preference, might be a recent setting */
|
|
switch (recent_set_arg(optarg)) {
|
|
case PREFS_SET_OK:
|
|
break;
|
|
case PREFS_SET_SYNTAX_ERR:
|
|
/* shouldn't happen, checked already above */
|
|
cmdarg_err("Invalid -o flag \"%s\"", optarg);
|
|
exit(1);
|
|
break;
|
|
case PREFS_SET_NO_SUCH_PREF:
|
|
case PREFS_SET_OBSOLETE:
|
|
cmdarg_err("-o flag \"%s\" specifies unknown preference/recent value",
|
|
optarg);
|
|
exit(1);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
break;
|
|
case PREFS_SET_OBSOLETE:
|
|
cmdarg_err("-o flag \"%s\" specifies obsolete preference",
|
|
optarg);
|
|
exit(1);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
break;
|
|
case 'P':
|
|
/* Path settings were already processed just ignore them this time*/
|
|
break;
|
|
case 'r': /* Read capture file xxx */
|
|
/* We may set "last_open_dir" to "cf_name", and if we change
|
|
"last_open_dir" later, we free the old value, so we have to
|
|
set "cf_name" to something that's been allocated. */
|
|
global_commandline_info.cf_name = g_strdup(optarg);
|
|
break;
|
|
case 'R': /* Read file filter */
|
|
global_commandline_info.rfilter = optarg;
|
|
break;
|
|
case 'X':
|
|
/* ext ops were already processed just ignore them this time*/
|
|
break;
|
|
case 'Y':
|
|
global_commandline_info.dfilter = optarg;
|
|
break;
|
|
case 'z':
|
|
/* We won't call the init function for the stat this soon
|
|
as it would disallow MATE's fields (which are registered
|
|
by the preferences set callback) from being used as
|
|
part of a tap filter. Instead, we just add the argument
|
|
to a list of stat arguments. */
|
|
if (strcmp("help", optarg) == 0) {
|
|
fprintf(stderr, "wireshark: The available statistics for the \"-z\" option are:\n");
|
|
list_stat_cmd_args();
|
|
exit(0);
|
|
}
|
|
if (!process_stat_cmd_arg(optarg)) {
|
|
cmdarg_err("Invalid -z argument.");
|
|
cmdarg_err_cont(" -z argument must be one of :");
|
|
list_stat_cmd_args();
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'd': /* Decode as rule */
|
|
case 'K': /* Kerberos keytab file */
|
|
case 'n': /* No name resolution */
|
|
case 'N': /* Select what types of addresses/port #s to resolve */
|
|
case 't': /* time stamp type */
|
|
case 'u': /* Seconds type */
|
|
case LONGOPT_DISABLE_PROTOCOL: /* disable dissection of protocol */
|
|
case LONGOPT_ENABLE_HEURISTIC: /* enable heuristic dissection of protocol */
|
|
case LONGOPT_DISABLE_HEURISTIC: /* disable heuristic dissection of protocol */
|
|
case LONGOPT_ENABLE_PROTOCOL: /* enable dissection of protocol (that is disabled by default) */
|
|
if (!dissect_opts_handle_opt(opt, optarg))
|
|
exit(1);
|
|
break;
|
|
case LONGOPT_FULL_SCREEN:
|
|
global_commandline_info.full_screen = TRUE;
|
|
break;
|
|
default:
|
|
case '?': /* Bad flag - print usage message */
|
|
arg_error = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!arg_error) {
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (argc >= 1) {
|
|
if (global_commandline_info.cf_name != NULL) {
|
|
/*
|
|
* Input file name specified with "-r" *and* specified as a regular
|
|
* command-line argument.
|
|
*/
|
|
cmdarg_err("File name specified both with -r and regular argument");
|
|
arg_error = TRUE;
|
|
} else {
|
|
/*
|
|
* Input file name not specified with "-r", and a command-line argument
|
|
* was specified; treat it as the input file name.
|
|
*
|
|
* Yes, this is different from tshark, where non-flag command-line
|
|
* arguments are a filter, but this works better on GUI desktops
|
|
* where a command can be specified to be run to open a particular
|
|
* file - yes, you could have "-r" as the last part of the command,
|
|
* but that's a bit ugly.
|
|
*/
|
|
#ifndef HAVE_GTKOSXAPPLICATION
|
|
/*
|
|
* For GTK+ Mac Integration, file name passed as free argument passed
|
|
* through grag-and-drop and opened twice sometimes causing crashes.
|
|
* Subject to report to GTK+ MAC.
|
|
*/
|
|
global_commandline_info.cf_name = g_strdup(argv[0]);
|
|
#endif
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (argc != 0) {
|
|
/*
|
|
* Extra command line arguments were specified; complain.
|
|
*/
|
|
cmdarg_err("Invalid argument: %s", argv[0]);
|
|
arg_error = TRUE;
|
|
}
|
|
}
|
|
|
|
if (arg_error) {
|
|
#ifndef HAVE_LIBPCAP
|
|
if (capture_option_specified) {
|
|
print_no_capture_support_error();
|
|
}
|
|
#endif
|
|
commandline_print_usage(FALSE);
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef HAVE_LIBPCAP
|
|
if (global_commandline_info.start_capture && global_commandline_info.list_link_layer_types) {
|
|
/* Specifying *both* is bogus. */
|
|
cmdarg_err("You can't specify both -L and a live capture.");
|
|
exit(1);
|
|
}
|
|
|
|
if (global_commandline_info.list_link_layer_types) {
|
|
/* We're supposed to list the link-layer types for an interface;
|
|
did the user also specify a capture file to be read? */
|
|
if (global_commandline_info.cf_name) {
|
|
/* Yes - that's bogus. */
|
|
cmdarg_err("You can't specify -L and a capture file to be read.");
|
|
exit(1);
|
|
}
|
|
/* No - did they specify a ring buffer option? */
|
|
if (global_capture_opts.multi_files_on) {
|
|
cmdarg_err("Ring buffer requested, but a capture isn't being done.");
|
|
exit(1);
|
|
}
|
|
} else {
|
|
/* We're supposed to do a live capture; did the user also specify
|
|
a capture file to be read? */
|
|
if (global_commandline_info.start_capture && global_commandline_info.cf_name) {
|
|
/* Yes - that's bogus. */
|
|
cmdarg_err("You can't specify both a live capture and a capture file to be read.");
|
|
exit(1);
|
|
}
|
|
|
|
/* No - was the ring buffer option specified and, if so, does it make
|
|
sense? */
|
|
if (global_capture_opts.multi_files_on) {
|
|
/* Ring buffer works only under certain conditions:
|
|
a) ring buffer does not work with temporary files;
|
|
b) real_time_mode and multi_files_on are mutually exclusive -
|
|
real_time_mode takes precedence;
|
|
c) it makes no sense to enable the ring buffer if the maximum
|
|
file size is set to "infinite". */
|
|
if (global_capture_opts.save_file == NULL) {
|
|
cmdarg_err("Ring buffer requested, but capture isn't being saved to a permanent file.");
|
|
global_capture_opts.multi_files_on = FALSE;
|
|
}
|
|
if (!global_capture_opts.has_autostop_filesize && !global_capture_opts.has_file_duration) {
|
|
cmdarg_err("Ring buffer requested, but no maximum capture file size or duration were specified.");
|
|
/* XXX - this must be redesigned as the conditions changed */
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|