/* capture_opts.c
* Routines for capture options setting
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "config.h"
+#include <config.h>
#include <stdio.h>
+#include <stdlib.h>
#ifdef HAVE_LIBPCAP
#include <string.h>
-#include <ctype.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+#include <errno.h>
#include <glib.h>
-#include <epan/packet.h>
-#include <epan/prefs.h>
-#include "capture_ui_utils.h"
-
#include "capture_opts.h"
#include "ringbuffer.h"
-#include "clopts_common.h"
-#include "cmdarg_err.h"
-#include "capture_ifinfo.h"
-#include "capture-pcap-util.h"
+#include <wsutil/clopts_common.h>
+#include <wsutil/cmdarg_err.h>
#include <wsutil/file_util.h>
+#include "caputils/capture_ifinfo.h"
+#include "caputils/capture-pcap-util.h"
+
+#include "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)
{
- 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;
- capture_opts->default_options.linktype = -1;
- capture_opts->default_options.promisc_mode = TRUE;
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
- capture_opts->default_options.buffer_size = DEFAULT_CAPTURE_BUFFER_SIZE;
+ 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;
+ capture_opts->default_options.linktype = -1; /* use interface default */
+ capture_opts->default_options.promisc_mode = TRUE;
+ capture_opts->default_options.if_type = IF_WIRED;
+#ifdef HAVE_EXTCAP
+ 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_pid = INVALID_EXTCAP_PID;
#endif
- capture_opts->default_options.monitor_mode = FALSE;
+#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;
+ 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
#ifdef HAVE_PCAP_SETSAMPLING
- capture_opts->default_options.sampling_method = CAPTURE_SAMP_NONE;
- capture_opts->default_options.sampling_param = 0;
+ capture_opts->default_options.sampling_method = CAPTURE_SAMP_NONE;
+ capture_opts->default_options.sampling_param = 0;
#endif
- capture_opts->saving_to_file = FALSE;
- capture_opts->save_file = NULL;
- capture_opts->group_read_access = FALSE;
+ 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 pcap-ng by default */
+ capture_opts->use_pcapng = TRUE; /* Save as pcap-ng by default */
#else
- capture_opts->use_pcapng = FALSE; /* Save as pcap by default */
+ capture_opts->use_pcapng = FALSE; /* Save as pcap by default */
#endif
- capture_opts->real_time_mode = TRUE;
- capture_opts->show_info = TRUE;
- capture_opts->quit_after_cap = getenv("WIRESHARK_QUIT_AFTER_CAPTURE") ? TRUE : FALSE;
- 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; /* 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 MiB */
- capture_opts->has_autostop_duration = FALSE;
- capture_opts->autostop_duration = 60; /* 1 min */
- capture_opts->capture_comment = NULL;
-
- capture_opts->output_to_pipe = FALSE;
- capture_opts->capture_child = FALSE;
+ capture_opts->real_time_mode = TRUE;
+ capture_opts->show_info = TRUE;
+ capture_opts->quit_after_cap = getenv("WIRESHARK_QUIT_AFTER_CAPTURE") ? TRUE : FALSE;
+ 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; /* 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 = 1000; /* 1 MB */
+ capture_opts->has_autostop_duration = FALSE;
+ capture_opts->autostop_duration = 60; /* 1 min */
+ capture_opts->capture_comment = NULL;
+
+ capture_opts->output_to_pipe = FALSE;
+ capture_opts->capture_child = FALSE;
}
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");
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
+#ifdef HAVE_EXTCAP
+ 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);
+#endif
+#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");
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");
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
+#ifdef HAVE_EXTCAP
+ 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)");
+#endif
+#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");
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 (KiB)", capture_opts->has_autostop_filesize, capture_opts->autostop_filesize);
+ 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);
}
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_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;
+}
+
+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);
+ capture_opts->ifaces = g_array_remove_index(capture_opts->ifaces, capture_opts->ifaces->len - 1);
+ g_free(interface_opts.cfilter);
+ interface_opts.cfilter = filter_exp;
+ g_array_append_val(capture_opts->ifaces, interface_opts);
+ 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).
*/
- *colonp = ':';
- return FALSE;
- }
-
- if (strcmp(arg,"files") == 0) {
- capture_opts->has_ring_num_files = TRUE;
- capture_opts->ring_num_files = get_positive_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;
+ 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_positive_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;
}
#ifdef HAVE_PCAP_SETSAMPLING
p = colonp;
*p++ = '\0';
- while (isspace((guchar)*p))
+ while (g_ascii_isspace(*p))
p++;
if (*p == '\0') {
*colonp = ':';
p = colonp;
*p++ = '\0';
- while (isspace((guchar)*p))
+ while (g_ascii_isspace(*p))
p++;
if (capture_opts->ifaces->len > 0) {
}
if_list = capture_interface_list(&err, &err_str, NULL);
if (if_list == NULL) {
- switch (err) {
-
- case CANT_GET_INTERFACE_LIST:
- case DONT_HAVE_PCAP:
+ 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);
- break;
-
- case NO_INTERFACES_FOUND:
- cmdarg_err("There are no interfaces on which a capture can be done");
- break;
}
return 2;
}
/* fallback to the interface name */
interface_opts.console_display_name = g_strdup(if_info->name);
}
+ interface_opts.if_type = if_info->type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(if_info->extcap);
+#endif
free_interface_list(if_list);
} else if (capture_opts->capture_child) {
/* In Wireshark capture child mode, thus proper device name is supplied. */
/* No need for trying to match it for friendly names. */
interface_opts.name = g_strdup(optarg_str_p);
interface_opts.console_display_name = g_strdup(optarg_str_p);
+ interface_opts.if_type = capture_opts->default_options.if_type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(capture_opts->default_options.extcap);
+#endif
} else {
/*
* Retrieve the interface list so that we can search for the
} else {
interface_opts.console_display_name = g_strdup(if_info->name);
}
+ interface_opts.if_type = if_info->type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(if_info->extcap);
+#endif
matched = TRUE;
break;
}
/* exact match - use the friendly name for display */
interface_opts.name = g_strdup(if_info->name);
interface_opts.console_display_name = g_strdup(if_info->friendly_name);
+ interface_opts.if_type = if_info->type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(if_info->extcap);
+#endif
matched = TRUE;
break;
}
/* prefix match - use the friendly name for display */
interface_opts.name = g_strdup(if_info->name);
interface_opts.console_display_name = g_strdup(if_info->friendly_name);
+ interface_opts.if_type = if_info->type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(if_info->extcap);
+#endif
matched = TRUE;
break;
}
*/
interface_opts.name = g_strdup(optarg_str_p);
interface_opts.console_display_name = g_strdup(optarg_str_p);
+ interface_opts.if_type = capture_opts->default_options.if_type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(capture_opts->default_options.extcap);
+#endif
}
free_interface_list(if_list);
} else {
interface_opts.name = g_strdup(optarg_str_p);
interface_opts.console_display_name = g_strdup(optarg_str_p);
+ interface_opts.if_type = capture_opts->default_options.if_type;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(capture_opts->default_options.extcap);
+#endif
}
}
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;
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap_fifo = g_strdup(capture_opts->default_options.extcap_fifo);
+ interface_opts.extcap_args = NULL;
+ interface_opts.extcap_pid = INVALID_EXTCAP_PID;
+#endif
+#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;
return 1;
}
break;
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
+#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
case 'B': /* Buffer size */
if (capture_opts->ifaces->len > 0) {
interface_options interface_opts;
capture_opts->autostop_packets = get_positive_int(optarg_str_p, "packet count");
break;
case 'f': /* capture filter */
- 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);
- capture_opts->ifaces = g_array_remove_index(capture_opts->ifaces, capture_opts->ifaces->len - 1);
- g_free(interface_opts.cfilter);
- interface_opts.cfilter = g_strdup(optarg_str_p);
- g_array_append_val(capture_opts->ifaces, interface_opts);
- } else {
- g_free(capture_opts->default_options.cfilter);
- capture_opts->default_options.cfilter = g_strdup(optarg_str_p);
- }
+ 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;
static int
capture_opts_test_for_fifo(const char *path)
{
- ws_statb64 statb;
+ ws_statb64 statb;
- if (ws_stat64(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)
{
- 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 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;
+ 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 */
- }
+ default: /* couldn't stat it */
+ break; /* ignore: later attempt to open */
+ /* will generate a nice msg */
+ }
+ }
}
- }
- return 0;
+ return 0;
}
-/*
- * 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)
+capture_opts_del_iface(capture_options *capture_opts, guint if_index)
{
- guint i;
- interface_t device;
- interface_options interface_opts;
+ interface_options interface_opts;
+
+ interface_opts = g_array_index(capture_opts->ifaces, interface_options, if_index);
+ /* XXX - check if found? */
- /* Empty out the existing list of interfaces. */
- for (i = capture_opts->ifaces->len; i != 0; i--) {
- interface_opts = g_array_index(capture_opts->ifaces, interface_options, i - 1);
g_free(interface_opts.name);
g_free(interface_opts.descr);
if (interface_opts.console_display_name != NULL)
g_free(interface_opts.console_display_name);
g_free(interface_opts.cfilter);
+#ifdef HAVE_EXTCAP
+ 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 != INVALID_EXTCAP_PID)
+ g_spawn_close_pid(interface_opts.extcap_pid);
+#endif
#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);
+ 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, 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.display_name);
- interface_opts.console_display_name = g_strdup(device.name);
- interface_opts.linktype = device.active_dlt;
- interface_opts.cfilter = g_strdup(device.cfilter);
- interface_opts.snaplen = device.snaplen;
- interface_opts.has_snaplen = device.has_snaplen;
- interface_opts.promisc_mode = device.pmode;
-#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
- interface_opts.buffer_size = device.buffer;
+ capture_opts->ifaces = g_array_remove_index(capture_opts->ifaces, if_index);
+}
+
+
+
+/*
+ * 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.display_name);
+ interface_opts.console_display_name = g_strdup(device.name);
+ interface_opts.linktype = device.active_dlt;
+ interface_opts.cfilter = g_strdup(device.cfilter);
+ 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;
+#ifdef HAVE_EXTCAP
+ interface_opts.extcap = g_strdup(device.if_info.extcap);
+ interface_opts.extcap_fifo = NULL;
+ interface_opts.extcap_args = device.external_cap_args_settings;
+ interface_opts.extcap_pid = INVALID_EXTCAP_PID;
+ if (interface_opts.extcap_args)
+ g_hash_table_ref(interface_opts.extcap_args);
+#endif
+#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;
+ 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;
+ 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;
+ 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;
+ g_array_append_val(capture_opts->ifaces, interface_opts);
+ } else {
+ continue;
+ }
}
- }
}
+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);
+}
+
+static void
+capture_opts_free_interface_t_addrs(gpointer elem, gpointer unused _U_)
+{
+ 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_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_foreach(device->if_info.addrs,
+ capture_opts_free_interface_t_addrs, NULL);
+ g_slist_free(device->if_info.addrs);
+#ifdef HAVE_EXTCAP
+ g_free(device->if_info.extcap);
+#endif
+ }
+}
#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:
+ */