#include "config.h"
+#include <stdio.h>
+
#ifdef HAVE_LIBPCAP
#include <string.h>
#include <epan/packet.h>
#include <epan/prefs.h>
-#include "ui/simple_dialog.h"
#include "capture_ui_utils.h"
#include "capture_opts.h"
#include "ringbuffer.h"
#include "clopts_common.h"
-#include "console_io.h"
#include "cmdarg_err.h"
#include "capture_ifinfo.h"
#include "capture-pcap-util.h"
#include <wsutil/file_util.h>
-#ifdef _WIN32
-#include "capture_win_ifnames.h" /* windows friendly interface names */
-#endif
-
static gboolean capture_opts_output_to_pipe(const char *save_file, gboolean *is_pipe);
void
-capture_opts_init(capture_options *capture_opts, void *cf)
+capture_opts_init(capture_options *capture_opts)
{
- capture_opts->cf = cf;
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.linktype = -1;
capture_opts->default_options.promisc_mode = TRUE;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
- capture_opts->default_options.buffer_size = 1; /* 1 MB */
+ capture_opts->default_options.buffer_size = DEFAULT_CAPTURE_BUFFER_SIZE;
#endif
capture_opts->default_options.monitor_mode = FALSE;
#ifdef HAVE_PCAP_REMOTE
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->has_autostop_packets = FALSE;
capture_opts->autostop_packets = 0;
capture_opts->has_autostop_filesize = FALSE;
- capture_opts->autostop_filesize = 1024; /* 1 MB */
+ 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->fork_child = -1; /* invalid process handle */
-#ifdef _WIN32
- capture_opts->signal_pipe_write_fd = -1;
-#endif
- capture_opts->state = CAPTURE_STOPPED;
capture_opts->output_to_pipe = FALSE;
-#ifndef _WIN32
- capture_opts->owner = getuid();
- capture_opts->group = getgid();
-#endif
+ capture_opts->capture_child = FALSE;
}
guint i;
g_log(log_domain, log_level, "CAPTURE OPTIONS :");
- g_log(log_domain, log_level, "CFile : %p", capture_opts->cf);
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 Descr[%02d] : %s", i, interface_opts.descr ? interface_opts.descr : "(unspecified)");
- g_log(log_domain, log_level, "Con display name[%02d]: %s", i, interface_opts.console_display_name ? interface_opts.console_display_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, "Console display name[%02d]: %s", i, interface_opts.console_display_name ? interface_opts.console_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, "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, "AutostopFilesize(%u) : %u (KiB)", 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);
-#endif
}
/*
gchar *err_str;
interface_options interface_opts;
- /* retrieve the interface list to compare the option specfied against */
- if_list = capture_interface_list(&err, &err_str);
- if (if_list == NULL) {
- switch (err) {
-
- case CANT_GET_INTERFACE_LIST:
- case DONT_HAVE_PCAP:
- 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 the argument is a number, treat it as an index into the list
* of adapters, as printed by "tshark -D".
cmdarg_err("There is no interface with that adapter index");
return 1;
}
- if_info = (if_info_t *)g_list_nth_data(if_list, adapter_index - 1);
+ if_list = capture_interface_list(&err, &err_str, NULL);
+ if (if_list == NULL) {
+ switch (err) {
+
+ case CANT_GET_INTERFACE_LIST:
+ case DONT_HAVE_PCAP:
+ 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 = (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;
}
interface_opts.name = g_strdup(if_info->name);
- if(if_info->friendly_name!=NULL){
- /* we know the friendlyname, so display that instead of the interface name/guid */
+ if (if_info->friendly_name != NULL) {
+ /*
+ * We have a friendly name for the interface, so display that
+ * instead of the interface name/guid.
+ *
+ * XXX - on UN*X, the interface name is not quite so ugly,
+ * and might be more familiar to users; display them both?
+ */
interface_opts.console_display_name = g_strdup(if_info->friendly_name);
- }else{
+ } else {
/* fallback to the interface name */
interface_opts.console_display_name = g_strdup(if_info->name);
}
+ 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);
} else {
- /* try and do an exact match (case insensitive) */
- GList *if_entry;
- gboolean matched;
-
- matched=FALSE;
- 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;
- /* exact name check */
- if(g_ascii_strcasecmp(if_info->name, optarg_str_p)==0){
- /* exact match on the interface name, use that for displaying etc */
- interface_opts.name = g_strdup(if_info->name);
-
- if(if_info->friendly_name!=NULL){
- /* if we know a friendly_name, use that for console_display_name, as
- * it is the basis for the auto generated temp filename */
- interface_opts.console_display_name = g_strdup(if_info->friendly_name);
- }else{
- interface_opts.console_display_name = g_strdup(if_info->name);
- }
- matched=TRUE;
- break;
- }
-
- /* exact friendlyname check */
- if(if_info->friendly_name!=NULL && g_ascii_strcasecmp(if_info->friendly_name, optarg_str_p)==0){
- /* 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);
- matched=TRUE;
- break;
- }
- }
+ /*
+ * Retrieve the interface list so that we can search for the
+ * specified option amongst both the interface names and the
+ * friendly names and so that we find the friendly name even
+ * if an interface name was specified.
+ *
+ * If we can't get the list, just use the specified option as
+ * the interface name, so that the user can try specifying an
+ * interface explicitly for testing purposes.
+ */
+ if_list = capture_interface_list(&err, NULL, NULL);
+ if (if_list != NULL) {
+ /* try and do an exact match (case insensitive) */
+ GList *if_entry;
+ gboolean matched;
- /* didn't find, attempt a case insensitive prefix match of the friendly name*/
- if(!matched){
- size_t prefix_length;
- prefix_length=strlen(optarg_str_p);
+ matched = FALSE;
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;
+ /* exact name check */
+ if (g_ascii_strcasecmp(if_info->name, optarg_str_p) == 0) {
+ /* exact match on the interface name, use that for displaying etc */
+ interface_opts.name = g_strdup(if_info->name);
+
+ if (if_info->friendly_name != NULL) {
+ /*
+ * If we have a friendly name, use that for the
+ * console display name, as it is the basis for
+ * the auto generated temp filename.
+ */
+ interface_opts.console_display_name = g_strdup(if_info->friendly_name);
+ } else {
+ interface_opts.console_display_name = g_strdup(if_info->name);
+ }
+ matched = TRUE;
+ break;
+ }
- if(if_info->friendly_name!=NULL && g_ascii_strncasecmp(if_info->friendly_name, optarg_str_p, prefix_length)==0){
- /* prefix match - use the friendly name for display */
+ /* exact friendly name check */
+ if (if_info->friendly_name != NULL &&
+ g_ascii_strcasecmp(if_info->friendly_name, optarg_str_p) == 0) {
+ /* 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);
- matched=TRUE;
+ matched = TRUE;
break;
}
}
- }
- if (!matched) {
- cmdarg_err("Failed to match interface '%s'", optarg_str_p);
- return 1;
- }
+ /* didn't find, attempt a case insensitive prefix match of the friendly name*/
+ if (!matched) {
+ size_t prefix_length;
+
+ prefix_length = strlen(optarg_str_p);
+ 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, optarg_str_p, prefix_length) == 0) {
+ /* 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);
+ matched = TRUE;
+ break;
+ }
+ }
+ }
+ if (!matched) {
+ /*
+ * 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.console_display_name = g_strdup(optarg_str_p);
+ }
+ free_interface_list(if_list);
+ } else {
+ interface_opts.name = g_strdup(optarg_str_p);
+ interface_opts.console_display_name = g_strdup(optarg_str_p);
+ }
}
- free_interface_list(if_list);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
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_str_p) == FALSE) {
cmdarg_err("Invalid or unknown -a flag \"%s\"", optarg_str_p);
capture_opts->default_options.cfilter = g_strdup(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;
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;
- case 'g': /* enable group read access on the capture file(s) */
- capture_opts->group_read_access = TRUE;
- break;
case 'y': /* Set the pcap data link type */
if (capture_opts->ifaces->len > 0) {
interface_options interface_opts;
data_link_info_t *data_link_info;
if (caps->can_set_rfmon)
- fprintf_stderr("Data link types of interface %s when %sin monitor mode (use option -y to set):\n",
- name, monitor_mode ? "" : "not ");
+ printf("Data link types of interface %s when %sin monitor mode (use option -y to set):\n",
+ name, monitor_mode ? "" : "not ");
else
- fprintf_stderr("Data link types of interface %s (use option -y to set):\n", name);
+ 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 = (data_link_info_t *)lt_entry->data;
- fprintf_stderr(" %s", data_link_info->name);
+ printf(" %s", data_link_info->name);
if (data_link_info->description != NULL)
- fprintf_stderr(" (%s)", data_link_info->description);
+ printf(" (%s)", data_link_info->description);
else
- fprintf_stderr(" (not supported)");
- fprintf_stderr("\n");
+ printf(" (not supported)");
+ printf("\n");
}
}
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;
- fprintf_stderr("%d. %s", i++, if_info->name);
+ printf("%d. %s", i++, if_info->name);
- /* print the interface friendly name if known, if not fall back to vendor description */
+ /* Print the interface friendly name, if it exists;
+ if not fall back to vendor description, if it exists. */
if (if_info->friendly_name != NULL){
- fprintf_stderr(" (%s)", if_info->friendly_name);
- }else{
- /* Print the description if it exists */
- if (if_info->description != NULL)
- fprintf_stderr(" (%s)", if_info->description);
+ printf(" (%s)", if_info->friendly_name);
+ } else {
+ if (if_info->vendor_description != NULL)
+ printf(" (%s)", if_info->vendor_description);
}
- fprintf_stderr("\n");
+ printf("\n");
}
}
-void capture_opts_trim_snaplen(capture_options *capture_opts, int snaplen_min)
+void
+capture_opts_trim_snaplen(capture_options *capture_opts, int snaplen_min)
{
guint i;
interface_options interface_opts;
}
-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) {
#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)
{
int status;
/* Did the user specify an interface to use? */
if (capture_opts->num_selected != 0 || capture_opts->ifaces->len != 0) {
- /* yes they did, exit immediately nothing further to do here */
- return TRUE;
+ /* yes they did, return immediately - nothing further to do here */
+ return 0;
}
/* 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);
- if(status==0){
- return TRUE; /* interface found */
- }
- return FALSE; /* some kind of error finding interface */
+ 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. */
- status=capture_opts_add_iface_opt(capture_opts, "1");
- if(status==0){
- return TRUE; /* success */
- }
- return FALSE; /* some kind of error finding the first interface */
+ 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)
{
ws_statb64 statb;
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;
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){
+ if (interface_opts.console_display_name != NULL)
g_free(interface_opts.console_display_name);
- }
g_free(interface_opts.cfilter);
#ifdef HAVE_PCAP_REMOTE
if (interface_opts.src_type == CAPTURE_IFREMOTE) {