/* capture_opts.c
* Routines for capture options setting
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
#ifdef HAVE_LIBPCAP
#include <string.h>
-#include <ctype.h>
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h> /* needed to define AF_ values on UNIX */
-#endif
-
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h> /* needed to define AF_ values on Windows */
-#endif
-#ifdef NEED_INET_V6DEFS_H
-# include "inet_v6defs.h"
-#endif
+#include <errno.h>
#include <glib.h>
-#include <epan/packet.h>
-
-#include "capture.h"
#include "capture_opts.h"
#include "ringbuffer.h"
-#include "clopts_common.h"
-#include "cmdarg_err.h"
-#include "capture-pcap-util.h"
-#include <wiretap/file_util.h>
+#include <ui/clopts_common.h>
+#include <ui/cmdarg_err.h>
+#include <wsutil/file_util.h>
+#include <wsutil/ws_pipe.h>
+
+#include "caputils/capture_ifinfo.h"
+#include "caputils/capture-pcap-util.h"
+#include "ui/filter_files.h"
static gboolean capture_opts_output_to_pipe(const char *save_file, gboolean *is_pipe);
void
-capture_opts_init(capture_options *capture_opts, void *cfile)
+capture_opts_init(capture_options *capture_opts)
{
- capture_opts->cf = cfile;
- capture_opts->cfilter = g_strdup(""); /* No capture filter string specified */
- capture_opts->iface = NULL; /* Default is "pick the first interface" */
+ capture_opts->ifaces = g_array_new(FALSE, FALSE, sizeof(interface_options));
+ capture_opts->all_ifaces = g_array_new(FALSE, FALSE, sizeof(interface_t));
+ capture_opts->num_selected = 0;
+ capture_opts->default_options.name = NULL;
+ capture_opts->default_options.descr = NULL;
+ capture_opts->default_options.cfilter = NULL;
+ capture_opts->default_options.has_snaplen = FALSE;
+ capture_opts->default_options.snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
+ capture_opts->default_options.linktype = -1; /* use interface default */
+ capture_opts->default_options.promisc_mode = TRUE;
+ capture_opts->default_options.if_type = IF_WIRED;
+ capture_opts->default_options.extcap = NULL;
+ capture_opts->default_options.extcap_fifo = NULL;
+ capture_opts->default_options.extcap_args = NULL;
+ capture_opts->default_options.extcap_pipedata = NULL;
+ capture_opts->default_options.extcap_pid = WS_INVALID_PID;
#ifdef _WIN32
- capture_opts->buffer_size = 1; /* 1 MB */
-#endif
- capture_opts->has_snaplen = FALSE;
- capture_opts->snaplen = WTAP_MAX_PACKET_SIZE; /* snapshot length - default is
- infinite, in effect */
- capture_opts->promisc_mode = TRUE; /* promiscuous mode is the default */
- capture_opts->linktype = -1; /* the default linktype */
- capture_opts->saving_to_file = FALSE;
- capture_opts->save_file = NULL;
- capture_opts->real_time_mode = TRUE;
- capture_opts->show_info = TRUE;
- capture_opts->quit_after_cap = FALSE;
- capture_opts->restart = FALSE;
-
- capture_opts->multi_files_on = FALSE;
- capture_opts->has_file_duration = FALSE;
- capture_opts->file_duration = 60; /* 1 min */
- capture_opts->has_ring_num_files = FALSE;
- capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES;
-
- capture_opts->has_autostop_files = FALSE;
- capture_opts->autostop_files = 1;
- capture_opts->has_autostop_packets = FALSE;
- capture_opts->autostop_packets = 0;
- capture_opts->has_autostop_filesize = FALSE;
- capture_opts->autostop_filesize = 1024; /* 1 MB */
- capture_opts->has_autostop_duration = FALSE;
- capture_opts->autostop_duration = 60; /* 1 min */
-
-
- capture_opts->fork_child = -1; /* invalid process handle */
-#ifdef _WIN32
- capture_opts->signal_pipe_write_fd = -1;
+ capture_opts->default_options.extcap_pipe_h = INVALID_HANDLE_VALUE;
+ capture_opts->default_options.extcap_control_in_h = INVALID_HANDLE_VALUE;
+ capture_opts->default_options.extcap_control_out_h = INVALID_HANDLE_VALUE;
+#endif
+ capture_opts->default_options.extcap_control_in = NULL;
+ capture_opts->default_options.extcap_control_out = NULL;
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
+ capture_opts->default_options.buffer_size = DEFAULT_CAPTURE_BUFFER_SIZE;
+#endif
+ capture_opts->default_options.monitor_mode = FALSE;
+#ifdef HAVE_PCAP_REMOTE
+ capture_opts->default_options.src_type = CAPTURE_IFLOCAL;
+ capture_opts->default_options.remote_host = NULL;
+ capture_opts->default_options.remote_port = NULL;
+ capture_opts->default_options.auth_type = CAPTURE_AUTH_NULL;
+ capture_opts->default_options.auth_username = NULL;
+ capture_opts->default_options.auth_password = NULL;
+ capture_opts->default_options.datatx_udp = FALSE;
+ capture_opts->default_options.nocap_rpcap = TRUE;
+ capture_opts->default_options.nocap_local = FALSE;
#endif
- capture_opts->state = CAPTURE_STOPPED;
- capture_opts->output_to_pipe = FALSE;
+#ifdef HAVE_PCAP_SETSAMPLING
+ capture_opts->default_options.sampling_method = CAPTURE_SAMP_NONE;
+ capture_opts->default_options.sampling_param = 0;
+#endif
+ capture_opts->default_options.timestamp_type = NULL;
+ capture_opts->saving_to_file = FALSE;
+ capture_opts->save_file = NULL;
+ capture_opts->group_read_access = FALSE;
+#ifdef PCAP_NG_DEFAULT
+ capture_opts->use_pcapng = TRUE; /* Save as pcapng by default */
+#else
+ capture_opts->use_pcapng = FALSE; /* Save as pcap by default */
+#endif
+ capture_opts->real_time_mode = TRUE;
+ capture_opts->show_info = TRUE;
+ capture_opts->restart = FALSE;
+ capture_opts->orig_save_file = NULL;
+
+ capture_opts->multi_files_on = FALSE;
+ capture_opts->has_file_duration = FALSE;
+ capture_opts->file_duration = 60.0; /* 1 min */
+ capture_opts->has_file_interval = FALSE;
+ capture_opts->file_interval = 60; /* 1 min */
+ capture_opts->has_file_packets = FALSE;
+ capture_opts->file_packets = 0;
+ capture_opts->has_ring_num_files = FALSE;
+ capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES;
+
+ capture_opts->has_autostop_files = FALSE;
+ capture_opts->autostop_files = 1;
+ capture_opts->has_autostop_packets = FALSE;
+ capture_opts->autostop_packets = 0;
+ capture_opts->has_autostop_filesize = FALSE;
+ capture_opts->autostop_filesize = 1000; /* 1 MB */
+ capture_opts->has_autostop_duration = FALSE;
+ capture_opts->autostop_duration = 60.0; /* 1 min */
+ capture_opts->capture_comment = NULL;
+
+ capture_opts->output_to_pipe = FALSE;
+ capture_opts->capture_child = FALSE;
}
+void
+capture_opts_cleanup(capture_options *capture_opts)
+{
+ if (!capture_opts)
+ return;
+
+ if (capture_opts->ifaces) {
+ while (capture_opts->ifaces->len > 0) {
+ capture_opts_del_iface(capture_opts, 0);
+ }
+ g_array_free(capture_opts->ifaces, TRUE);
+ capture_opts->ifaces = NULL;
+ }
+ if (capture_opts->all_ifaces) {
+ while (capture_opts->all_ifaces->len > 0) {
+ interface_t *device = &g_array_index(capture_opts->all_ifaces, interface_t, 0);
+ capture_opts_free_interface_t(device);
+ capture_opts->all_ifaces = g_array_remove_index(capture_opts->all_ifaces, 0);
+ }
+ g_array_free(capture_opts->all_ifaces, TRUE);
+ capture_opts->all_ifaces = NULL;
+ }
+ g_free(capture_opts->save_file);
+}
/* log content of capture_opts */
void
capture_opts_log(const char *log_domain, GLogLevelFlags log_level, capture_options *capture_opts) {
- g_log(log_domain, log_level, "CAPTURE OPTIONS :");
- g_log(log_domain, log_level, "CFile : 0x%p", capture_opts->cf);
- g_log(log_domain, log_level, "Filter : %s", capture_opts->cfilter);
- g_log(log_domain, log_level, "Interface : %s", capture_opts->iface);
-#ifdef _WIN32
- g_log(log_domain, log_level, "BufferSize : %u (MB)", capture_opts->buffer_size);
-#endif
- g_log(log_domain, log_level, "SnapLen (%u): %u", capture_opts->has_snaplen, capture_opts->snaplen);
- g_log(log_domain, log_level, "Promisc : %u", capture_opts->promisc_mode);
- g_log(log_domain, log_level, "LinkType : %d", capture_opts->linktype);
- g_log(log_domain, log_level, "SavingToFile : %u", capture_opts->saving_to_file);
- g_log(log_domain, log_level, "SaveFile : %s", (capture_opts->save_file) ? capture_opts->save_file : "");
- g_log(log_domain, log_level, "RealTimeMode : %u", capture_opts->real_time_mode);
- g_log(log_domain, log_level, "ShowInfo : %u", capture_opts->show_info);
- g_log(log_domain, log_level, "QuitAfterCap : %u", capture_opts->quit_after_cap);
-
- g_log(log_domain, log_level, "MultiFilesOn : %u", capture_opts->multi_files_on);
- g_log(log_domain, log_level, "FileDuration (%u): %u", capture_opts->has_file_duration, capture_opts->file_duration);
- g_log(log_domain, log_level, "RingNumFiles (%u): %u", capture_opts->has_ring_num_files, capture_opts->ring_num_files);
-
- g_log(log_domain, log_level, "AutostopFiles (%u): %u", capture_opts->has_autostop_files, capture_opts->autostop_files);
- g_log(log_domain, log_level, "AutostopPackets (%u): %u", capture_opts->has_autostop_packets, capture_opts->autostop_packets);
- g_log(log_domain, log_level, "AutostopFilesize(%u): %u (KB)", capture_opts->has_autostop_filesize, capture_opts->autostop_filesize);
- g_log(log_domain, log_level, "AutostopDuration(%u): %u", capture_opts->has_autostop_duration, capture_opts->autostop_duration);
-
- g_log(log_domain, log_level, "ForkChild : %d", capture_opts->fork_child);
-#ifdef _WIN32
- g_log(log_domain, log_level, "SignalPipeWrite : %d", capture_opts->signal_pipe_write_fd);
+ guint i;
+
+ g_log(log_domain, log_level, "CAPTURE OPTIONS :");
+
+ for (i = 0; i < capture_opts->ifaces->len; i++) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, i);
+ g_log(log_domain, log_level, "Interface name[%02d] : %s", i, interface_opts->name ? interface_opts->name : "(unspecified)");
+ g_log(log_domain, log_level, "Interface description[%02d] : %s", i, interface_opts->descr ? interface_opts->descr : "(unspecified)");
+ g_log(log_domain, log_level, "Display name[%02d]: %s", i, interface_opts->display_name ? interface_opts->display_name : "(unspecified)");
+ g_log(log_domain, log_level, "Capture filter[%02d] : %s", i, interface_opts->cfilter ? interface_opts->cfilter : "(unspecified)");
+ g_log(log_domain, log_level, "Snap length[%02d] (%u) : %d", i, interface_opts->has_snaplen, interface_opts->snaplen);
+ g_log(log_domain, log_level, "Link Type[%02d] : %d", i, interface_opts->linktype);
+ g_log(log_domain, log_level, "Promiscuous Mode[%02d]: %s", i, interface_opts->promisc_mode?"TRUE":"FALSE");
+ g_log(log_domain, log_level, "Extcap[%02d] : %s", i, interface_opts->extcap ? interface_opts->extcap : "(unspecified)");
+ g_log(log_domain, log_level, "Extcap FIFO[%02d] : %s", i, interface_opts->extcap_fifo ? interface_opts->extcap_fifo : "(unspecified)");
+ g_log(log_domain, log_level, "Extcap PID[%02d] : %d", i, interface_opts->extcap_pid);
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
+ g_log(log_domain, log_level, "Buffer size[%02d] : %d (MB)", i, interface_opts->buffer_size);
+#endif
+ g_log(log_domain, log_level, "Monitor Mode[%02d] : %s", i, interface_opts->monitor_mode?"TRUE":"FALSE");
+#ifdef HAVE_PCAP_REMOTE
+ g_log(log_domain, log_level, "Capture source[%02d] : %s", i,
+ interface_opts->src_type == CAPTURE_IFLOCAL ? "Local interface" :
+ interface_opts->src_type == CAPTURE_IFREMOTE ? "Remote interface" :
+ "Unknown");
+ if (interface_opts->src_type == CAPTURE_IFREMOTE) {
+ g_log(log_domain, log_level, "Remote host[%02d] : %s", i, interface_opts->remote_host ? interface_opts->remote_host : "(unspecified)");
+ g_log(log_domain, log_level, "Remote port[%02d] : %s", i, interface_opts->remote_port ? interface_opts->remote_port : "(unspecified)");
+ }
+ g_log(log_domain, log_level, "Authentication[%02d] : %s", i,
+ interface_opts->auth_type == CAPTURE_AUTH_NULL ? "Null" :
+ interface_opts->auth_type == CAPTURE_AUTH_PWD ? "By username/password" :
+ "Unknown");
+ if (interface_opts->auth_type == CAPTURE_AUTH_PWD) {
+ g_log(log_domain, log_level, "Auth username[%02d] : %s", i, interface_opts->auth_username ? interface_opts->auth_username : "(unspecified)");
+ g_log(log_domain, log_level, "Auth password[%02d] : <hidden>", i);
+ }
+ g_log(log_domain, log_level, "UDP data tfer[%02d] : %u", i, interface_opts->datatx_udp);
+ g_log(log_domain, log_level, "No cap. RPCAP[%02d] : %u", i, interface_opts->nocap_rpcap);
+ g_log(log_domain, log_level, "No cap. local[%02d] : %u", i, interface_opts->nocap_local);
#endif
+#ifdef HAVE_PCAP_SETSAMPLING
+ g_log(log_domain, log_level, "Sampling meth.[%02d] : %d", i, interface_opts->sampling_method);
+ g_log(log_domain, log_level, "Sampling param.[%02d] : %d", i, interface_opts->sampling_param);
+#endif
+ g_log(log_domain, log_level, "Timestamp type [%02d] : %s", i, interface_opts->timestamp_type);
+ }
+ g_log(log_domain, log_level, "Interface name[df] : %s", capture_opts->default_options.name ? capture_opts->default_options.name : "(unspecified)");
+ g_log(log_domain, log_level, "Interface Descr[df] : %s", capture_opts->default_options.descr ? capture_opts->default_options.descr : "(unspecified)");
+ g_log(log_domain, log_level, "Capture filter[df] : %s", capture_opts->default_options.cfilter ? capture_opts->default_options.cfilter : "(unspecified)");
+ g_log(log_domain, log_level, "Snap length[df] (%u) : %d", capture_opts->default_options.has_snaplen, capture_opts->default_options.snaplen);
+ g_log(log_domain, log_level, "Link Type[df] : %d", capture_opts->default_options.linktype);
+ g_log(log_domain, log_level, "Promiscuous Mode[df]: %s", capture_opts->default_options.promisc_mode?"TRUE":"FALSE");
+ g_log(log_domain, log_level, "Extcap[df] : %s", capture_opts->default_options.extcap ? capture_opts->default_options.extcap : "(unspecified)");
+ g_log(log_domain, log_level, "Extcap FIFO[df] : %s", capture_opts->default_options.extcap_fifo ? capture_opts->default_options.extcap_fifo : "(unspecified)");
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
+ g_log(log_domain, log_level, "Buffer size[df] : %d (MB)", capture_opts->default_options.buffer_size);
+#endif
+ g_log(log_domain, log_level, "Monitor Mode[df] : %s", capture_opts->default_options.monitor_mode?"TRUE":"FALSE");
+#ifdef HAVE_PCAP_REMOTE
+ g_log(log_domain, log_level, "Capture source[df] : %s",
+ capture_opts->default_options.src_type == CAPTURE_IFLOCAL ? "Local interface" :
+ capture_opts->default_options.src_type == CAPTURE_IFREMOTE ? "Remote interface" :
+ "Unknown");
+ if (capture_opts->default_options.src_type == CAPTURE_IFREMOTE) {
+ g_log(log_domain, log_level, "Remote host[df] : %s", capture_opts->default_options.remote_host ? capture_opts->default_options.remote_host : "(unspecified)");
+ g_log(log_domain, log_level, "Remote port[df] : %s", capture_opts->default_options.remote_port ? capture_opts->default_options.remote_port : "(unspecified)");
+ }
+ g_log(log_domain, log_level, "Authentication[df] : %s",
+ capture_opts->default_options.auth_type == CAPTURE_AUTH_NULL ? "Null" :
+ capture_opts->default_options.auth_type == CAPTURE_AUTH_PWD ? "By username/password" :
+ "Unknown");
+ if (capture_opts->default_options.auth_type == CAPTURE_AUTH_PWD) {
+ g_log(log_domain, log_level, "Auth username[df] : %s", capture_opts->default_options.auth_username ? capture_opts->default_options.auth_username : "(unspecified)");
+ g_log(log_domain, log_level, "Auth password[df] : <hidden>");
+ }
+ g_log(log_domain, log_level, "UDP data tfer[df] : %u", capture_opts->default_options.datatx_udp);
+ g_log(log_domain, log_level, "No cap. RPCAP[df] : %u", capture_opts->default_options.nocap_rpcap);
+ g_log(log_domain, log_level, "No cap. local[df] : %u", capture_opts->default_options.nocap_local);
+#endif
+#ifdef HAVE_PCAP_SETSAMPLING
+ g_log(log_domain, log_level, "Sampling meth. [df] : %d", capture_opts->default_options.sampling_method);
+ g_log(log_domain, log_level, "Sampling param.[df] : %d", capture_opts->default_options.sampling_param);
+#endif
+ g_log(log_domain, log_level, "Timestamp type [df] : %s", capture_opts->default_options.timestamp_type ? capture_opts->default_options.timestamp_type : "(unspecified)");
+ g_log(log_domain, log_level, "SavingToFile : %u", capture_opts->saving_to_file);
+ g_log(log_domain, log_level, "SaveFile : %s", (capture_opts->save_file) ? capture_opts->save_file : "");
+ g_log(log_domain, log_level, "GroupReadAccess : %u", capture_opts->group_read_access);
+ g_log(log_domain, log_level, "Fileformat : %s", (capture_opts->use_pcapng) ? "PCAPNG" : "PCAP");
+ g_log(log_domain, log_level, "RealTimeMode : %u", capture_opts->real_time_mode);
+ g_log(log_domain, log_level, "ShowInfo : %u", capture_opts->show_info);
+
+ g_log(log_domain, log_level, "MultiFilesOn : %u", capture_opts->multi_files_on);
+ g_log(log_domain, log_level, "FileDuration (%u) : %.3f", capture_opts->has_file_duration, capture_opts->file_duration);
+ g_log(log_domain, log_level, "FileInterval (%u) : %u", capture_opts->has_file_interval, capture_opts->file_interval);
+ g_log(log_domain, log_level, "FilePackets (%u) : %u", capture_opts->has_file_packets, capture_opts->file_packets);
+ g_log(log_domain, log_level, "RingNumFiles (%u) : %u", capture_opts->has_ring_num_files, capture_opts->ring_num_files);
+
+ g_log(log_domain, log_level, "AutostopFiles (%u) : %u", capture_opts->has_autostop_files, capture_opts->autostop_files);
+ g_log(log_domain, log_level, "AutostopPackets (%u) : %u", capture_opts->has_autostop_packets, capture_opts->autostop_packets);
+ g_log(log_domain, log_level, "AutostopFilesize(%u) : %u (KB)", capture_opts->has_autostop_filesize, capture_opts->autostop_filesize);
+ g_log(log_domain, log_level, "AutostopDuration(%u) : %.3f", capture_opts->has_autostop_duration, capture_opts->autostop_duration);
}
/*
static gboolean
set_autostop_criterion(capture_options *capture_opts, const char *autostoparg)
{
- gchar *p, *colonp;
-
- colonp = strchr(autostoparg, ':');
- if (colonp == NULL)
- return FALSE;
-
- p = colonp;
- *p++ = '\0';
-
- /*
- * Skip over any white space (there probably won't be any, but
- * as we allow it in the preferences file, we might as well
- * allow it here).
- */
- while (isspace((guchar)*p))
- p++;
- if (*p == '\0') {
+ gchar *p, *colonp;
+
+ colonp = strchr(autostoparg, ':');
+ if (colonp == NULL)
+ return FALSE;
+
+ p = colonp;
+ *p++ = '\0';
+
/*
- * Put the colon back, so if our caller uses, in an
- * error message, the string they passed us, the message
- * looks correct.
+ * Skip over any white space (there probably won't be any, but
+ * as we allow it in the preferences file, we might as well
+ * allow it here).
*/
- *colonp = ':';
- return FALSE;
- }
- if (strcmp(autostoparg,"duration") == 0) {
- capture_opts->has_autostop_duration = TRUE;
- capture_opts->autostop_duration = get_positive_int(p,"autostop duration");
- } else if (strcmp(autostoparg,"filesize") == 0) {
- capture_opts->has_autostop_filesize = TRUE;
- capture_opts->autostop_filesize = get_positive_int(p,"autostop filesize");
- } else if (strcmp(autostoparg,"files") == 0) {
- capture_opts->multi_files_on = TRUE;
- capture_opts->has_autostop_files = TRUE;
- capture_opts->autostop_files = get_positive_int(p,"autostop files");
- } else {
- return FALSE;
- }
- *colonp = ':'; /* put the colon back */
- return TRUE;
+ while (g_ascii_isspace(*p))
+ p++;
+ if (*p == '\0') {
+ /*
+ * Put the colon back, so if our caller uses, in an
+ * error message, the string they passed us, the message
+ * looks correct.
+ */
+ *colonp = ':';
+ return FALSE;
+ }
+ if (strcmp(autostoparg,"duration") == 0) {
+ capture_opts->has_autostop_duration = TRUE;
+ capture_opts->autostop_duration = get_positive_double(p,"autostop duration");
+ } else if (strcmp(autostoparg,"filesize") == 0) {
+ capture_opts->has_autostop_filesize = TRUE;
+ capture_opts->autostop_filesize = get_nonzero_guint32(p,"autostop filesize");
+ } else if (strcmp(autostoparg,"files") == 0) {
+ capture_opts->multi_files_on = TRUE;
+ capture_opts->has_autostop_files = TRUE;
+ capture_opts->autostop_files = get_positive_int(p,"autostop files");
+ } else if (strcmp(autostoparg,"packets") == 0) {
+ capture_opts->has_autostop_packets = TRUE;
+ capture_opts->autostop_packets = get_positive_int(p,"packet count");
+ } else {
+ return FALSE;
+ }
+ *colonp = ':'; /* put the colon back */
+ return TRUE;
+}
+
+static gboolean get_filter_arguments(capture_options* capture_opts, const char* arg)
+{
+ char* colonp;
+ char* val;
+ char* filter_exp = NULL;
+
+ colonp = strchr(arg, ':');
+ if (colonp) {
+ val = colonp;
+ *val = '\0';
+ val++;
+ if (strcmp(arg, "predef") == 0) {
+ GList* filterItem;
+
+ filterItem = get_filter_list_first(CFILTER_LIST);
+ while (filterItem != NULL) {
+ filter_def *filterDef;
+
+ filterDef = (filter_def*)filterItem->data;
+ if (strcmp(val, filterDef->name) == 0) {
+ filter_exp = g_strdup(filterDef->strval);
+ break;
+ }
+ filterItem = filterItem->next;
+ }
+ }
+ }
+
+ if (filter_exp == NULL) {
+ /* No filter expression found yet; fallback to previous implemention
+ and assume the arg contains a filter expression */
+ if (colonp) {
+ *colonp = ':'; /* restore colon */
+ }
+ filter_exp = g_strdup(arg);
+ }
+
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ g_free(interface_opts->cfilter);
+ interface_opts->cfilter = filter_exp;
+ return TRUE;
+ }
+ else {
+ g_free(capture_opts->default_options.cfilter);
+ capture_opts->default_options.cfilter = filter_exp;
+ return TRUE;
+ }
}
/*
static gboolean
get_ring_arguments(capture_options *capture_opts, const char *arg)
{
- gchar *p = NULL, *colonp;
-
- colonp = strchr(arg, ':');
- if (colonp == NULL)
- return FALSE;
-
- p = colonp;
- *p++ = '\0';
-
- /*
- * Skip over any white space (there probably won't be any, but
- * as we allow it in the preferences file, we might as well
- * allow it here).
- */
- while (isspace((guchar)*p))
- p++;
- if (*p == '\0') {
+ gchar *p = NULL, *colonp;
+
+ colonp = strchr(arg, ':');
+ if (colonp == NULL)
+ return FALSE;
+
+ p = colonp;
+ *p++ = '\0';
+
/*
- * Put the colon back, so if our caller uses, in an
- * error message, the string they passed us, the message
- * looks correct.
+ * Skip over any white space (there probably won't be any, but
+ * as we allow it in the preferences file, we might as well
+ * allow it here).
*/
+ while (g_ascii_isspace(*p))
+ p++;
+ if (*p == '\0') {
+ /*
+ * Put the colon back, so if our caller uses, in an
+ * error message, the string they passed us, the message
+ * looks correct.
+ */
+ *colonp = ':';
+ return FALSE;
+ }
+
+ if (strcmp(arg,"files") == 0) {
+ capture_opts->has_ring_num_files = TRUE;
+ capture_opts->ring_num_files = get_nonzero_guint32(p, "number of ring buffer files");
+ } else if (strcmp(arg,"filesize") == 0) {
+ capture_opts->has_autostop_filesize = TRUE;
+ capture_opts->autostop_filesize = get_nonzero_guint32(p, "ring buffer filesize");
+ } else if (strcmp(arg,"duration") == 0) {
+ capture_opts->has_file_duration = TRUE;
+ capture_opts->file_duration = get_positive_double(p, "ring buffer duration");
+ } else if (strcmp(arg,"interval") == 0) {
+ capture_opts->has_file_interval = TRUE;
+ capture_opts->file_interval = get_positive_int(p, "ring buffer interval");
+ } else if (strcmp(arg,"packets") == 0) {
+ capture_opts->has_file_packets = TRUE;
+ capture_opts->file_packets = get_positive_int(p, "ring buffer packet count");
+ }
+
+ *colonp = ':'; /* put the colon back */
+ return TRUE;
+}
+
+#ifdef HAVE_PCAP_SETSAMPLING
+/*
+ * Given a string of the form "<sampling type>:<value>", as might appear
+ * as an argument to a "-m" option, parse it and set the arguments in
+ * question. Return an indication of whether it succeeded or failed
+ * in some fashion.
+ */
+static gboolean
+get_sampling_arguments(capture_options *capture_opts, const char *arg)
+{
+ gchar *p = NULL, *colonp;
+
+ colonp = strchr(arg, ':');
+ if (colonp == NULL)
+ return FALSE;
+
+ p = colonp;
+ *p++ = '\0';
+
+ while (g_ascii_isspace(*p))
+ p++;
+ if (*p == '\0') {
+ *colonp = ':';
+ return FALSE;
+ }
+
+ if (strcmp(arg, "count") == 0) {
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->sampling_method = CAPTURE_SAMP_BY_COUNT;
+ interface_opts->sampling_param = get_positive_int(p, "sampling count");
+ } else {
+ capture_opts->default_options.sampling_method = CAPTURE_SAMP_BY_COUNT;
+ capture_opts->default_options.sampling_param = get_positive_int(p, "sampling count");
+ }
+ } else if (strcmp(arg, "timer") == 0) {
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->sampling_method = CAPTURE_SAMP_BY_TIMER;
+ interface_opts->sampling_param = get_positive_int(p, "sampling timer");
+ } else {
+ capture_opts->default_options.sampling_method = CAPTURE_SAMP_BY_TIMER;
+ capture_opts->default_options.sampling_param = get_positive_int(p, "sampling timer");
+ }
+ }
+ *colonp = ':';
+ return TRUE;
+}
+#endif
+
+#ifdef HAVE_PCAP_REMOTE
+/*
+ * Given a string of the form "<username>:<password>", as might appear
+ * as an argument to a "-A" option, parse it and set the arguments in
+ * question. Return an indication of whether it succeeded or failed
+ * in some fashion.
+ */
+static gboolean
+get_auth_arguments(capture_options *capture_opts, const char *arg)
+{
+ gchar *p = NULL, *colonp;
+
+ colonp = strchr(arg, ':');
+ if (colonp == NULL)
+ return FALSE;
+
+ p = colonp;
+ *p++ = '\0';
+
+ while (g_ascii_isspace(*p))
+ p++;
+
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->auth_type = CAPTURE_AUTH_PWD;
+ interface_opts->auth_username = g_strdup(arg);
+ interface_opts->auth_password = g_strdup(p);
+ } else {
+ capture_opts->default_options.auth_type = CAPTURE_AUTH_PWD;
+ capture_opts->default_options.auth_username = g_strdup(arg);
+ capture_opts->default_options.auth_password = g_strdup(p);
+ }
*colonp = ':';
- return FALSE;
- }
-
- if (strcmp(arg,"files") == 0) {
- capture_opts->has_ring_num_files = TRUE;
- capture_opts->ring_num_files = get_natural_int(p, "number of ring buffer files");
- } else if (strcmp(arg,"filesize") == 0) {
- capture_opts->has_autostop_filesize = TRUE;
- capture_opts->autostop_filesize = get_positive_int(p, "ring buffer filesize");
- } else if (strcmp(arg,"duration") == 0) {
- capture_opts->has_file_duration = TRUE;
- capture_opts->file_duration = get_positive_int(p, "ring buffer duration");
- }
-
- *colonp = ':'; /* put the colon back */
- return TRUE;
+ return TRUE;
+}
+#endif
+
+#ifdef _WIN32
+static char *
+capture_opts_generate_display_name(const char *friendly_name,
+ const char *name _U_)
+{
+ /*
+ * Display the friendly name rather than the not-so-friendly
+ * GUID-based interface name.
+ */
+ return g_strdup(friendly_name);
+}
+#else
+static char *
+capture_opts_generate_display_name(const char *friendly_name,
+ const char *name)
+{
+ /*
+ * On UN*X, however, users are more used to interface names,
+ * and may find it helpful to see them.
+ */
+ return g_strdup_printf("%s: %s", friendly_name, name);
+}
+#endif
+
+static void
+fill_in_interface_opts_from_ifinfo(interface_options *interface_opts,
+ const if_info_t *if_info)
+{
+ interface_opts->name = g_strdup(if_info->name);
+
+ if (if_info->friendly_name != NULL) {
+ /*
+ * We have a friendly name; remember it as the
+ * description...
+ */
+ interface_opts->descr = g_strdup(if_info->friendly_name);
+ /*
+ * ...and use it in the console display name.
+ */
+ interface_opts->display_name = capture_opts_generate_display_name(if_info->friendly_name, if_info->name);
+ } else {
+ /* fallback to the interface name */
+ interface_opts->descr = NULL;
+ interface_opts->display_name = g_strdup(if_info->name);
+ }
+ interface_opts->if_type = if_info->type;
+ interface_opts->extcap = g_strdup(if_info->extcap);
}
+static gboolean
+fill_in_interface_opts_from_ifinfo_by_name(interface_options *interface_opts,
+ const char *name)
+{
+ gboolean matched;
+ GList *if_list;
+ int err;
+ GList *if_entry;
+ if_info_t *if_info;
+ size_t prefix_length;
+
+ matched = FALSE;
+ if_list = capture_interface_list(&err, NULL, NULL);
+ if (if_list != NULL) {
+ /*
+ * Try and do an exact match (case insensitive) on the
+ * interface name, the interface description, and the
+ * hardware description.
+ */
+ for (if_entry = g_list_first(if_list); if_entry != NULL;
+ if_entry = g_list_next(if_entry))
+ {
+ if_info = (if_info_t *)if_entry->data;
+
+ /*
+ * Does the specified name match the interface name
+ * with a case-insensitive match?
+ */
+ if (g_ascii_strcasecmp(if_info->name, name) == 0) {
+ /*
+ * Yes.
+ */
+ matched = TRUE;
+ break;
+ }
+
+ /*
+ * Does this interface have a friendly name and, if so,
+ * does the specified name match the friendly name with
+ * a case-insensitive match?
+ */
+ if (if_info->friendly_name != NULL &&
+ g_ascii_strcasecmp(if_info->friendly_name, name) == 0) {
+ /*
+ * Yes.
+ */
+ matched = TRUE;
+ break;
+ }
+ }
+
+ if (!matched) {
+ /*
+ * We didn't find it; attempt a case-insensitive prefix match
+ * of the friendly name.
+ */
+ prefix_length = strlen(name);
+ for (if_entry = g_list_first(if_list); if_entry != NULL;
+ if_entry = g_list_next(if_entry))
+ {
+ if_info = (if_info_t *)if_entry->data;
+
+ if (if_info->friendly_name != NULL &&
+ g_ascii_strncasecmp(if_info->friendly_name, name, prefix_length) == 0) {
+ /*
+ * We found an interface whose friendly name matches
+ * with a case-insensitive prefix match.
+ */
+ matched = TRUE;
+ break;
+ }
+ }
+ }
+ }
+
+ if (matched) {
+ /*
+ * We found an interface that matches.
+ */
+ fill_in_interface_opts_from_ifinfo(interface_opts, if_info);
+ }
+ free_interface_list(if_list);
+ return matched;
+}
static int
-capture_opts_add_iface_opt(capture_options *capture_opts, const char *optarg)
+capture_opts_add_iface_opt(capture_options *capture_opts, const char *optarg_str_p)
{
long adapter_index;
char *p;
if_info_t *if_info;
int err;
gchar *err_str;
-
+ interface_options interface_opts;
/*
* If the argument is a number, treat it as an index into the list
* names that begin with digits. It can be useful on Windows, where
* more than one interface can have the same name.
*/
- adapter_index = strtol(optarg, &p, 10);
+ adapter_index = strtol(optarg_str_p, &p, 10);
if (p != NULL && *p == '\0') {
- if (adapter_index < 0) {
- cmdarg_err("The specified adapter index is a negative number");
- return 1;
- }
- if (adapter_index > INT_MAX) {
- cmdarg_err("The specified adapter index is too large (greater than %d)",
- INT_MAX);
- return 1;
- }
- if (adapter_index == 0) {
- cmdarg_err("There is no interface with that adapter index");
- return 1;
- }
- if_list = get_interface_list(&err, &err_str);
- if (if_list == NULL) {
- switch (err) {
-
- case CANT_GET_INTERFACE_LIST:
- cmdarg_err("%s", err_str);
- g_free(err_str);
- break;
-
- case NO_INTERFACES_FOUND:
- cmdarg_err("There are no interfaces on which a capture can be done");
- break;
- }
- return 2;
- }
- if_info = g_list_nth_data(if_list, adapter_index - 1);
- if (if_info == NULL) {
- cmdarg_err("There is no interface with that adapter index");
- return 1;
- }
- capture_opts->iface = g_strdup(if_info->name);
- free_interface_list(if_list);
+ if (adapter_index < 0) {
+ cmdarg_err("The specified adapter index is a negative number");
+ return 1;
+ }
+ if (adapter_index > INT_MAX) {
+ cmdarg_err("The specified adapter index is too large (greater than %d)",
+ INT_MAX);
+ return 1;
+ }
+ if (adapter_index == 0) {
+ cmdarg_err("There is no interface with that adapter index");
+ return 1;
+ }
+ if_list = capture_interface_list(&err, &err_str, NULL);
+ if (if_list == NULL) {
+ if (err == 0)
+ cmdarg_err("There are no interfaces on which a capture can be done");
+ else {
+ cmdarg_err("%s", err_str);
+ g_free(err_str);
+ }
+ return 2;
+ }
+ if_info = (if_info_t *)g_list_nth_data(if_list, (int)(adapter_index - 1));
+ if (if_info == NULL) {
+ cmdarg_err("There is no interface with that adapter index");
+ return 1;
+ }
+ fill_in_interface_opts_from_ifinfo(&interface_opts, if_info);
+ free_interface_list(if_list);
+ } else if (capture_opts->capture_child) {
+ /*
+ * In Wireshark capture child mode, so the exact interface name
+ * is supplied, and we don't need to look it up.
+ */
+ if_info = if_info_get(optarg_str_p);
+ fill_in_interface_opts_from_ifinfo(&interface_opts, if_info);
+ if_info_free(if_info);
} else {
- capture_opts->iface = g_strdup(optarg);
+ /*
+ * Search for that name in the interface list and, if we found
+ * it, fill in fields in the interface_opts structure.
+ */
+ if (!fill_in_interface_opts_from_ifinfo_by_name(&interface_opts,
+ optarg_str_p)) {
+ /*
+ * We didn't find the interface in the list; just use
+ * the specified name, so that, for example, if an
+ * interface doesn't show up in the list for some
+ * reason, the user can try specifying it explicitly
+ * for testing purposes.
+ */
+ interface_opts.name = g_strdup(optarg_str_p);
+ interface_opts.descr = NULL;
+ interface_opts.display_name = g_strdup(optarg_str_p);
+ interface_opts.if_type = capture_opts->default_options.if_type;
+ interface_opts.extcap = g_strdup(capture_opts->default_options.extcap);
+ }
}
+ interface_opts.cfilter = g_strdup(capture_opts->default_options.cfilter);
+ interface_opts.snaplen = capture_opts->default_options.snaplen;
+ interface_opts.has_snaplen = capture_opts->default_options.has_snaplen;
+ interface_opts.linktype = capture_opts->default_options.linktype;
+ interface_opts.promisc_mode = capture_opts->default_options.promisc_mode;
+ interface_opts.extcap_fifo = g_strdup(capture_opts->default_options.extcap_fifo);
+ interface_opts.extcap_args = NULL;
+ interface_opts.extcap_pid = WS_INVALID_PID;
+ interface_opts.extcap_pipedata = NULL;
+#ifdef _WIN32
+ interface_opts.extcap_pipe_h = INVALID_HANDLE_VALUE;
+ interface_opts.extcap_control_in_h = INVALID_HANDLE_VALUE;
+ interface_opts.extcap_control_out_h = INVALID_HANDLE_VALUE;
+#endif
+ interface_opts.extcap_control_in = g_strdup(capture_opts->default_options.extcap_control_in);
+ interface_opts.extcap_control_out = g_strdup(capture_opts->default_options.extcap_control_out);
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
+ interface_opts.buffer_size = capture_opts->default_options.buffer_size;
+#endif
+ interface_opts.monitor_mode = capture_opts->default_options.monitor_mode;
+#ifdef HAVE_PCAP_REMOTE
+ interface_opts.src_type = capture_opts->default_options.src_type;
+ interface_opts.remote_host = g_strdup(capture_opts->default_options.remote_host);
+ interface_opts.remote_port = g_strdup(capture_opts->default_options.remote_port);
+ interface_opts.auth_type = capture_opts->default_options.auth_type;
+ interface_opts.auth_username = g_strdup(capture_opts->default_options.auth_username);
+ interface_opts.auth_password = g_strdup(capture_opts->default_options.auth_password);
+ interface_opts.datatx_udp = capture_opts->default_options.datatx_udp;
+ interface_opts.nocap_rpcap = capture_opts->default_options.nocap_rpcap;
+ interface_opts.nocap_local = capture_opts->default_options.nocap_local;
+#endif
+#ifdef HAVE_PCAP_SETSAMPLING
+ interface_opts.sampling_method = capture_opts->default_options.sampling_method;
+ interface_opts.sampling_param = capture_opts->default_options.sampling_param;
+#endif
+ interface_opts.timestamp_type = capture_opts->default_options.timestamp_type;
+
+ g_array_append_val(capture_opts->ifaces, interface_opts);
+
return 0;
}
+
int
-capture_opts_add_opt(capture_options *capture_opts, int opt, const char *optarg, gboolean *start_capture)
+capture_opts_add_opt(capture_options *capture_opts, int opt, const char *optarg_str_p, gboolean *start_capture)
{
- int status;
+ int status, snaplen;
switch(opt) {
+ case LONGOPT_NUM_CAP_COMMENT: /* capture comment */
+ if (capture_opts->capture_comment) {
+ cmdarg_err("--capture-comment can be set only once per file");
+ return 1;
+ }
+ capture_opts->capture_comment = g_strdup(optarg_str_p);
+ break;
case 'a': /* autostop criteria */
- if (set_autostop_criterion(capture_opts, optarg) == FALSE) {
- cmdarg_err("Invalid or unknown -a flag \"%s\"", optarg);
- return 1;
+ if (set_autostop_criterion(capture_opts, optarg_str_p) == FALSE) {
+ cmdarg_err("Invalid or unknown -a flag \"%s\"", optarg_str_p);
+ return 1;
}
break;
+#ifdef HAVE_PCAP_REMOTE
+ case 'A':
+ if (get_auth_arguments(capture_opts, optarg_str_p) == FALSE) {
+ cmdarg_err("Invalid or unknown -A arg \"%s\"", optarg_str_p);
+ return 1;
+ }
+ break;
+#endif
case 'b': /* Ringbuffer option */
capture_opts->multi_files_on = TRUE;
- if (get_ring_arguments(capture_opts, optarg) == FALSE) {
- cmdarg_err("Invalid or unknown -b arg \"%s\"", optarg);
- return 1;
+ if (get_ring_arguments(capture_opts, optarg_str_p) == FALSE) {
+ cmdarg_err("Invalid or unknown -b arg \"%s\"", optarg_str_p);
+ return 1;
}
break;
-#ifdef _WIN32
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
case 'B': /* Buffer size */
- capture_opts->buffer_size = get_positive_int(optarg, "buffer size");
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->buffer_size = get_positive_int(optarg_str_p, "buffer size");
+ } else {
+ capture_opts->default_options.buffer_size = get_positive_int(optarg_str_p, "buffer size");
+ }
break;
#endif
case 'c': /* Capture n packets */
+ /* XXX Use set_autostop_criterion instead? */
capture_opts->has_autostop_packets = TRUE;
- capture_opts->autostop_packets = get_positive_int(optarg, "packet count");
+ capture_opts->autostop_packets = get_positive_int(optarg_str_p, "packet count");
break;
case 'f': /* capture filter */
- if (capture_opts->has_cfilter) {
- cmdarg_err("More than one -f argument specified");
- return 1;
- }
- capture_opts->has_cfilter = TRUE;
- g_free(capture_opts->cfilter);
- capture_opts->cfilter = g_strdup(optarg);
+ get_filter_arguments(capture_opts, optarg_str_p);
+ break;
+ case 'g': /* enable group read access on the capture file(s) */
+ capture_opts->group_read_access = TRUE;
break;
case 'H': /* Hide capture info dialog box */
capture_opts->show_info = FALSE;
break;
+ case LONGOPT_SET_TSTAMP_TYPE: /* Set capture time stamp type */
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ g_free(interface_opts->timestamp_type);
+ interface_opts->timestamp_type = g_strdup(optarg_str_p);
+ } else {
+ g_free(capture_opts->default_options.timestamp_type);
+ capture_opts->default_options.timestamp_type = g_strdup(optarg_str_p);
+ }
+ break;
case 'i': /* Use interface x */
- status = capture_opts_add_iface_opt(capture_opts, optarg);
- if(status != 0) {
+ status = capture_opts_add_iface_opt(capture_opts, optarg_str_p);
+ if (status != 0) {
return status;
}
break;
+#ifdef HAVE_PCAP_CREATE
+ case 'I': /* Capture in monitor mode */
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->monitor_mode = TRUE;
+ } else {
+ capture_opts->default_options.monitor_mode = TRUE;
+ }
+ break;
+#endif
case 'k': /* Start capture immediately */
*start_capture = TRUE;
break;
/*case 'l':*/ /* Automatic scrolling in live capture mode */
+#ifdef HAVE_PCAP_SETSAMPLING
+ case 'm':
+ if (get_sampling_arguments(capture_opts, optarg_str_p) == FALSE) {
+ cmdarg_err("Invalid or unknown -m arg \"%s\"", optarg_str_p);
+ return 1;
+ }
+ break;
+#endif
+ case 'n': /* Use pcapng format */
+ capture_opts->use_pcapng = TRUE;
+ break;
case 'p': /* Don't capture in promiscuous mode */
- capture_opts->promisc_mode = FALSE;
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->promisc_mode = FALSE;
+ } else {
+ capture_opts->default_options.promisc_mode = FALSE;
+ }
break;
- case 'Q': /* Quit after capture (just capture to file) */
- capture_opts->quit_after_cap = TRUE;
- *start_capture = TRUE; /*** -Q implies -k !! ***/
+ case 'P': /* Use pcap format */
+ capture_opts->use_pcapng = FALSE;
break;
+#ifdef HAVE_PCAP_REMOTE
+ case 'r':
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->nocap_rpcap = FALSE;
+ } else {
+ capture_opts->default_options.nocap_rpcap = FALSE;
+ }
+ break;
+#endif
case 's': /* Set the snapshot (capture) length */
- capture_opts->has_snaplen = TRUE;
- capture_opts->snaplen = get_positive_int(optarg, "snapshot length");
+ snaplen = get_natural_int(optarg_str_p, "snapshot length");
+ /*
+ * Make a snapshot length of 0 equivalent to the maximum packet
+ * length, mirroring what tcpdump does.
+ */
+ if (snaplen == 0)
+ snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->has_snaplen = TRUE;
+ interface_opts->snaplen = snaplen;
+ } else {
+ capture_opts->default_options.snaplen = snaplen;
+ capture_opts->default_options.has_snaplen = TRUE;
+ }
break;
case 'S': /* "Real-Time" mode: used for following file ala tail -f */
capture_opts->real_time_mode = TRUE;
break;
+#ifdef HAVE_PCAP_REMOTE
+ case 'u':
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->datatx_udp = TRUE;
+ } else {
+ capture_opts->default_options.datatx_udp = TRUE;
+ }
+ break;
+#endif
case 'w': /* Write to capture file x */
capture_opts->saving_to_file = TRUE;
g_free(capture_opts->save_file);
-#if defined _WIN32 && (GLIB_MAJOR_VERSION > 2 || (GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 6))
- /* since GLib 2.6, we need to convert filenames to utf8 for Win32 */
- capture_opts->save_file = g_locale_to_utf8(optarg, -1, NULL, NULL, NULL);
-#else
- capture_opts->save_file = g_strdup(optarg);
-#endif
+ capture_opts->save_file = g_strdup(optarg_str_p);
status = capture_opts_output_to_pipe(capture_opts->save_file, &capture_opts->output_to_pipe);
return status;
- break;
case 'y': /* Set the pcap data link type */
-#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
- capture_opts->linktype = linktype_name_to_val(optarg);
- if (capture_opts->linktype == -1) {
- cmdarg_err("The specified data link type \"%s\" isn't valid",
- optarg);
- return 1;
- }
-#else /* HAVE_PCAP_DATALINK_NAME_TO_VAL */
- /* we can't get the type name, just treat it as a number */
- capture_opts->linktype = get_natural_int(optarg, "data link type");
-#endif /* HAVE_PCAP_DATALINK_NAME_TO_VAL */
+ if (capture_opts->ifaces->len > 0) {
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, capture_opts->ifaces->len - 1);
+ interface_opts->linktype = linktype_name_to_val(optarg_str_p);
+ if (interface_opts->linktype == -1) {
+ cmdarg_err("The specified data link type \"%s\" isn't valid",
+ optarg_str_p);
+ return 1;
+ }
+ } else {
+ capture_opts->default_options.linktype = linktype_name_to_val(optarg_str_p);
+ if (capture_opts->default_options.linktype == -1) {
+ cmdarg_err("The specified data link type \"%s\" isn't valid",
+ optarg_str_p);
+ return 1;
+ }
+ }
break;
default:
/* the caller is responsible to send us only the right opt's */
return 0;
}
-
-int capture_opts_list_link_layer_types(capture_options *capture_opts)
+void
+capture_opts_print_if_capabilities(if_capabilities_t *caps, char *name, int queries)
{
- gchar *err_str;
- GList *lt_list, *lt_entry;
- data_link_info_t *data_link_info;
-
- /* Get the list of link-layer types for the capture device. */
- lt_list = get_pcap_linktype_list(capture_opts->iface, &err_str);
- if (lt_list == NULL) {
- if (err_str != NULL) {
- cmdarg_err("The list of data link types for the capture device \"%s\" could not be obtained (%s)."
- "Please check to make sure you have sufficient permissions, and that\n"
- "you have the proper interface or pipe specified.\n", capture_opts->iface, err_str);
- g_free(err_str);
- } else
- cmdarg_err("The capture device \"%s\" has no data link types.", capture_opts->iface);
- return 2;
- }
- cmdarg_err_cont("Data link types (use option -y to set):");
- for (lt_entry = lt_list; lt_entry != NULL;
- lt_entry = g_list_next(lt_entry)) {
- data_link_info = lt_entry->data;
- cmdarg_err_cont(" %s", data_link_info->name);
- if (data_link_info->description != NULL)
- cmdarg_err_cont(" (%s)", data_link_info->description);
- else
- cmdarg_err_cont(" (not supported)");
- putchar('\n');
- }
- free_pcap_linktype_list(lt_list);
+ GList *lt_entry, *ts_entry;
+
+ if (queries & CAPS_QUERY_LINK_TYPES) {
+ if (caps->can_set_rfmon)
+ printf("Data link types of interface %s when %sin monitor mode (use option -y to set):\n",
+ name, queries & CAPS_MONITOR_MODE ? "" : "not ");
+ else
+ printf("Data link types of interface %s (use option -y to set):\n", name);
+ for (lt_entry = caps->data_link_types; lt_entry != NULL;
+ lt_entry = g_list_next(lt_entry)) {
+ data_link_info_t *data_link_info = (data_link_info_t *)lt_entry->data;
+ printf(" %s", data_link_info->name);
+ if (data_link_info->description != NULL)
+ printf(" (%s)", data_link_info->description);
+ else
+ printf(" (not supported)");
+ printf("\n");
+ }
+ }
- return 0;
+ if (queries & CAPS_QUERY_TIMESTAMP_TYPES) {
+ printf("Timestamp types of the interface (use option --time-stamp-type to set):\n");
+ for (ts_entry = caps->timestamp_types; ts_entry != NULL;
+ ts_entry = g_list_next(ts_entry)) {
+ timestamp_info_t *timestamp = (timestamp_info_t *)ts_entry->data;
+ printf(" %s", timestamp->name);
+ if (timestamp->description != NULL)
+ printf(" (%s)", timestamp->description);
+ else
+ printf(" (none)");
+ printf("\n");
+ }
+ }
}
-/* Return an ASCII-formatted list of interfaces. */
-#define ADDRSTRLEN 46 /* Covers IPv4 & IPv6 */
-int
-capture_opts_list_interfaces(gboolean verbose)
+/* Print an ASCII-formatted list of interfaces. */
+void
+capture_opts_print_interfaces(GList *if_list)
{
- GList *if_list;
+ int i;
GList *if_entry;
if_info_t *if_info;
- int err;
- gchar *err_str;
- int i;
- GSList *ip_addr;
- if_addr_t *if_addr;
- char addr_str[ADDRSTRLEN];
-
- if_list = get_interface_list(&err, &err_str);
- if (if_list == NULL) {
- switch (err) {
- case CANT_GET_INTERFACE_LIST:
- cmdarg_err("%s", err_str);
- g_free(err_str);
- break;
-
- case NO_INTERFACES_FOUND:
- cmdarg_err("There are no interfaces on which a capture can be done");
- break;
- }
- return err;
- }
i = 1; /* Interface id number */
for (if_entry = g_list_first(if_list); if_entry != NULL;
- if_entry = g_list_next(if_entry)) {
- if_info = if_entry->data;
+ if_entry = g_list_next(if_entry)) {
+ if_info = (if_info_t *)if_entry->data;
printf("%d. %s", i++, if_info->name);
- if (!verbose) {
- /* Add the description if it exists */
- if (if_info->description != NULL)
- printf(" (%s)", if_info->description);
+ /* Print the interface friendly name, if it exists;
+ if not, fall back to the vendor description, if it exists. */
+ if (if_info->friendly_name != NULL){
+ printf(" (%s)", if_info->friendly_name);
} else {
- /*
- * Add the contents of the if_entry struct in a parseable format.
- * Each if_entry element is tab-separated. Addresses are comma-
- * separated.
- */
- /* XXX - Make sure our description doesn't contain a tab */
- if (if_info->description != NULL)
- printf("\t%s\t", if_info->description);
- else
- printf("\t\t");
-
- for(ip_addr = g_slist_nth(if_info->ip_addr, 0); ip_addr != NULL;
- ip_addr = g_slist_next(ip_addr)) {
- if (ip_addr != g_slist_nth(if_info->ip_addr, 0))
- printf(",");
-
- if_addr = ip_addr->data;
- switch(if_addr->type) {
- case AT_IPv4:
- if (inet_ntop(AF_INET, &if_addr->ip_addr.ip4_addr, addr_str,
- ADDRSTRLEN)) {
- printf(addr_str);
- } else {
- printf("<unknown IPv4>");
- }
- break;
- case AT_IPv6:
- if (inet_ntop(AF_INET6, &if_addr->ip_addr.ip6_addr,
- addr_str, ADDRSTRLEN)) {
- printf(addr_str);
- } else {
- printf("<unknown IPv6>");
- }
- break;
- default:
- printf("<type unknown %u>", if_addr->type);
- }
- }
-
- if (if_info->loopback)
- printf("\tloopback");
- else
- printf("\tnetwork");
-
+ if (if_info->vendor_description != NULL)
+ printf(" (%s)", if_info->vendor_description);
}
- printf("\n");
+ printf("\n");
}
- free_interface_list(if_list);
-
- return 0;
}
-void capture_opts_trim_snaplen(capture_options *capture_opts, int snaplen_min)
+void
+capture_opts_trim_snaplen(capture_options *capture_opts, int snaplen_min)
{
- if (capture_opts->snaplen < 1)
- capture_opts->snaplen = WTAP_MAX_PACKET_SIZE;
- else if (capture_opts->snaplen < snaplen_min)
- capture_opts->snaplen = snaplen_min;
+ guint i;
+ interface_options *interface_opts;
+
+ if (capture_opts->ifaces->len > 0) {
+ for (i = 0; i < capture_opts->ifaces->len; i++) {
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, 0);
+ if (interface_opts->snaplen < 1)
+ interface_opts->snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
+ else if (interface_opts->snaplen < snaplen_min)
+ interface_opts->snaplen = snaplen_min;
+ }
+ } else {
+ if (capture_opts->default_options.snaplen < 1)
+ capture_opts->default_options.snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
+ else if (capture_opts->default_options.snaplen < snaplen_min)
+ capture_opts->default_options.snaplen = snaplen_min;
+ }
}
-void capture_opts_trim_ring_num_files(capture_options *capture_opts)
+void
+capture_opts_trim_ring_num_files(capture_options *capture_opts)
{
- /* Check the value range of the ring_num_files parameter */
- if (capture_opts->ring_num_files > RINGBUFFER_MAX_NUM_FILES)
- capture_opts->ring_num_files = RINGBUFFER_MAX_NUM_FILES;
+ /* Check the value range of the ring_num_files parameter */
+ if (capture_opts->ring_num_files > RINGBUFFER_MAX_NUM_FILES) {
+ cmdarg_err("Too many ring buffer files (%u). Reducing to %u.\n", capture_opts->ring_num_files, RINGBUFFER_MAX_NUM_FILES);
+ capture_opts->ring_num_files = RINGBUFFER_MAX_NUM_FILES;
+ } else if (capture_opts->ring_num_files > RINGBUFFER_WARN_NUM_FILES) {
+ cmdarg_err("%u is a lot of ring buffer files.\n", capture_opts->ring_num_files);
+ }
#if RINGBUFFER_MIN_NUM_FILES > 0
- else if (capture_opts->ring_num_files < RINGBUFFER_MIN_NUM_FILES)
- capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES;
+ else if (capture_opts->ring_num_files < RINGBUFFER_MIN_NUM_FILES)
+ cmdarg_err("Too few ring buffer files (%u). Increasing to %u.\n", capture_opts->ring_num_files, RINGBUFFER_MIN_NUM_FILES);
+ capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES;
#endif
}
-
-gboolean capture_opts_trim_iface(capture_options *capture_opts, const char *capture_device)
+/*
+ * If no interface was specified explicitly, pick a default.
+ */
+int
+capture_opts_default_iface_if_necessary(capture_options *capture_opts,
+ const char *capture_device)
{
- GList *if_list;
- if_info_t *if_info;
- int err;
- gchar *err_str;
-
+ int status;
/* Did the user specify an interface to use? */
- if (capture_opts->iface == NULL) {
- /* No - is a default specified in the preferences file? */
- if (capture_device != NULL) {
- /* Yes - use it. */
- capture_opts->iface = g_strdup(capture_device);
- } else {
- /* No - pick the first one from the list of interfaces. */
- if_list = get_interface_list(&err, &err_str);
- if (if_list == NULL) {
- switch (err) {
-
- case CANT_GET_INTERFACE_LIST:
- cmdarg_err("%s", err_str);
- g_free(err_str);
- break;
-
- case NO_INTERFACES_FOUND:
- cmdarg_err("There are no interfaces on which a capture can be done");
- break;
- }
- return FALSE;
- }
- if_info = if_list->data; /* first interface */
- capture_opts->iface = g_strdup(if_info->name);
- free_interface_list(if_list);
- }
+ if (capture_opts->num_selected != 0 || capture_opts->ifaces->len != 0) {
+ /* yes they did, return immediately - nothing further to do here */
+ return 0;
}
- return TRUE;
+ /* No - is a default specified in the preferences file? */
+ if (capture_device != NULL) {
+ /* Yes - use it. */
+ status = capture_opts_add_iface_opt(capture_opts, capture_device);
+ return status;
+ }
+ /* No default in preferences file, just pick the first interface from the list of interfaces. */
+ return capture_opts_add_iface_opt(capture_opts, "1");
}
-
-
#ifndef S_IFIFO
-#define S_IFIFO _S_IFIFO
+#define S_IFIFO _S_IFIFO
#endif
#ifndef S_ISFIFO
#define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
#endif
/* copied from filesystem.c */
-static int capture_opts_test_for_fifo(const char *path)
+static int
+capture_opts_test_for_fifo(const char *path)
{
- struct stat statb;
+ ws_statb64 statb;
- if (eth_stat(path, &statb) < 0)
- return errno;
+ if (ws_stat64(path, &statb) < 0)
+ return errno;
- if (S_ISFIFO(statb.st_mode))
- return ESPIPE;
- else
- return 0;
+ if (S_ISFIFO(statb.st_mode))
+ return ESPIPE;
+ else
+ return 0;
}
-static gboolean capture_opts_output_to_pipe(const char *save_file, gboolean *is_pipe)
+static gboolean
+capture_opts_output_to_pipe(const char *save_file, gboolean *is_pipe)
{
- int err;
-
- *is_pipe = FALSE;
-
- if (save_file != NULL) {
- /* We're writing to a capture file. */
- if (strcmp(save_file, "-") == 0) {
- /* Writing to stdout. */
- /* XXX - should we check whether it's a pipe? It's arguably
- silly to do "-w - >output_file" rather than "-w output_file",
- but by not checking we might be violating the Principle Of
- Least Astonishment. */
- *is_pipe = TRUE;
- } else {
- /* not writing to stdout, test for a FIFO (aka named pipe) */
- err = capture_opts_test_for_fifo(save_file);
- switch (err) {
+ int err;
+
+ *is_pipe = FALSE;
+
+ if (save_file != NULL) {
+ /* We're writing to a capture file. */
+ if (strcmp(save_file, "-") == 0) {
+ /* Writing to stdout. */
+ /* XXX - should we check whether it's a pipe? It's arguably
+ silly to do "-w - >output_file" rather than "-w output_file",
+ but by not checking we might be violating the Principle Of
+ Least Astonishment. */
+ *is_pipe = TRUE;
+ } else {
+ /* not writing to stdout, test for a FIFO (aka named pipe) */
+ err = capture_opts_test_for_fifo(save_file);
+ switch (err) {
+
+ case ENOENT: /* it doesn't exist, so we'll be creating it,
+ and it won't be a FIFO */
+ case 0: /* found it, but it's not a FIFO */
+ break;
+
+ case ESPIPE: /* it is a FIFO */
+ *is_pipe = TRUE;
+ break;
+
+ default: /* couldn't stat it */
+ break; /* ignore: later attempt to open */
+ /* will generate a nice msg */
+ }
+ }
+ }
- case ENOENT: /* it doesn't exist, so we'll be creating it,
- and it won't be a FIFO */
- case 0: /* found it, but it's not a FIFO */
- break;
+ return 0;
+}
+
+void
+capture_opts_del_iface(capture_options *capture_opts, guint if_index)
+{
+ interface_options *interface_opts;
+
+ interface_opts = &g_array_index(capture_opts->ifaces, interface_options, if_index);
+ /* XXX - check if found? */
+
+ g_free(interface_opts->name);
+ g_free(interface_opts->descr);
+ g_free(interface_opts->display_name);
+ g_free(interface_opts->cfilter);
+ g_free(interface_opts->timestamp_type);
+ g_free(interface_opts->extcap);
+ g_free(interface_opts->extcap_fifo);
+ if (interface_opts->extcap_args)
+ g_hash_table_unref(interface_opts->extcap_args);
+ if (interface_opts->extcap_pid != WS_INVALID_PID)
+ ws_pipe_close((ws_pipe_t *) interface_opts->extcap_pipedata);
+ g_free(interface_opts->extcap_pipedata);
+ g_free(interface_opts->extcap_control_in);
+ g_free(interface_opts->extcap_control_out);
+#ifdef HAVE_PCAP_REMOTE
+ if (interface_opts->src_type == CAPTURE_IFREMOTE) {
+ g_free(interface_opts->remote_host);
+ g_free(interface_opts->remote_port);
+ g_free(interface_opts->auth_username);
+ g_free(interface_opts->auth_password);
+ }
+#endif
+ capture_opts->ifaces = g_array_remove_index(capture_opts->ifaces, if_index);
+}
- case ESPIPE: /* it is a FIFO */
- *is_pipe = TRUE;
- break;
- default: /* couldn't stat it */
- cmdarg_err("Error testing whether capture file is a pipe: %s",
- strerror(errno));
- return 2;
- }
+
+/*
+ * Add all non-hidden selected interfaces in the "all interfaces" list
+ * to the list of interfaces for the capture.
+ */
+void
+collect_ifaces(capture_options *capture_opts)
+{
+ guint i;
+ interface_t *device;
+ interface_options interface_opts;
+
+ /* Empty out the existing list of interfaces. */
+ for (i = capture_opts->ifaces->len; i != 0; i--)
+ capture_opts_del_iface(capture_opts, i-1);
+
+ /* Now fill the list up again. */
+ for (i = 0; i < capture_opts->all_ifaces->len; i++) {
+ device = &g_array_index(capture_opts->all_ifaces, interface_t, i);
+ if (!device->hidden && device->selected) {
+ interface_opts.name = g_strdup(device->name);
+ interface_opts.descr = g_strdup(device->friendly_name);
+ interface_opts.display_name = g_strdup(device->display_name);
+ interface_opts.linktype = device->active_dlt;
+ interface_opts.cfilter = g_strdup(device->cfilter);
+ interface_opts.timestamp_type = g_strdup(device->timestamp_type);
+ interface_opts.snaplen = device->snaplen;
+ interface_opts.has_snaplen = device->has_snaplen;
+ interface_opts.promisc_mode = device->pmode;
+ interface_opts.if_type = device->if_info.type;
+ interface_opts.extcap = g_strdup(device->if_info.extcap);
+ interface_opts.extcap_fifo = NULL;
+ interface_opts.extcap_pipedata = NULL;
+ interface_opts.extcap_args = device->external_cap_args_settings;
+ interface_opts.extcap_pid = WS_INVALID_PID;
+ if (interface_opts.extcap_args)
+ g_hash_table_ref(interface_opts.extcap_args);
+ interface_opts.extcap_pipedata = NULL;
+#ifdef _WIN32
+ interface_opts.extcap_pipe_h = INVALID_HANDLE_VALUE;
+ interface_opts.extcap_control_in_h = INVALID_HANDLE_VALUE;
+ interface_opts.extcap_control_out_h = INVALID_HANDLE_VALUE;
+#endif
+ interface_opts.extcap_control_in = NULL;
+ interface_opts.extcap_control_out = NULL;
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
+ interface_opts.buffer_size = device->buffer;
+#endif
+#ifdef HAVE_PCAP_CREATE
+ interface_opts.monitor_mode = device->monitor_mode_enabled;
+#endif
+#ifdef HAVE_PCAP_REMOTE
+ interface_opts.src_type = CAPTURE_IFREMOTE;
+ interface_opts.remote_host = g_strdup(device->remote_opts.remote_host_opts.remote_host);
+ interface_opts.remote_port = g_strdup(device->remote_opts.remote_host_opts.remote_port);
+ interface_opts.auth_type = device->remote_opts.remote_host_opts.auth_type;
+ interface_opts.auth_username = g_strdup(device->remote_opts.remote_host_opts.auth_username);
+ interface_opts.auth_password = g_strdup(device->remote_opts.remote_host_opts.auth_password);
+ interface_opts.datatx_udp = device->remote_opts.remote_host_opts.datatx_udp;
+ interface_opts.nocap_rpcap = device->remote_opts.remote_host_opts.nocap_rpcap;
+ interface_opts.nocap_local = device->remote_opts.remote_host_opts.nocap_local;
+#endif
+#ifdef HAVE_PCAP_SETSAMPLING
+ interface_opts.sampling_method = device->remote_opts.sampling_method;
+ interface_opts.sampling_param = device->remote_opts.sampling_param;
+#endif
+ g_array_append_val(capture_opts->ifaces, interface_opts);
+ } else {
+ continue;
+ }
}
- }
+}
- return 0;
+static void
+capture_opts_free_interface_t_links(gpointer elem, gpointer unused _U_)
+{
+ link_row* e = (link_row*)elem;
+ if (e != NULL)
+ g_free(e->name);
+ g_free(elem);
+}
+
+void
+capture_opts_free_interface_t(interface_t *device)
+{
+ if (device != NULL) {
+ g_free(device->name);
+ g_free(device->display_name);
+ g_free(device->friendly_name);
+ g_free(device->addresses);
+ g_free(device->cfilter);
+ g_free(device->timestamp_type);
+ g_list_foreach(device->links,
+ capture_opts_free_interface_t_links, NULL);
+ g_list_free(device->links);
+#ifdef HAVE_PCAP_REMOTE
+ g_free(device->remote_opts.remote_host_opts.remote_host);
+ g_free(device->remote_opts.remote_host_opts.remote_port);
+ g_free(device->remote_opts.remote_host_opts.auth_username);
+ g_free(device->remote_opts.remote_host_opts.auth_password);
+#endif
+ g_free(device->if_info.name);
+ g_free(device->if_info.friendly_name);
+ g_free(device->if_info.vendor_description);
+ g_slist_free_full(device->if_info.addrs, g_free);
+ g_free(device->if_info.extcap);
+ }
}
#endif /* HAVE_LIBPCAP */
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
git.samba.org / metze / wireshark / wip.git / blobdiff