void CapturePreferencesFrame::updateWidgets()
{
#ifdef HAVE_LIBPCAP
GList *if_list, *combo_list, *combo_entry;
int err;
ui->defaultInterfaceComboBox->clear();
if_list = capture_interface_list(&err, NULL,main_window_update);
combo_list = build_capture_combo_list(if_list, FALSE);
free_interface_list(if_list);
for (combo_entry = combo_list; combo_entry != NULL && combo_entry->data != NULL; combo_entry = g_list_next(combo_entry)) {
ui->defaultInterfaceComboBox->addItem(QString((const char *)combo_entry->data));
}
if (pref_device_->stashed_val.string) {
ui->defaultInterfaceComboBox->setEditText(pref_device_->stashed_val.string);
} else {
ui->defaultInterfaceComboBox->clearEditText();
}
ui->capturePromModeCheckBox->setChecked(pref_prom_mode_->stashed_val.boolval);
ui->capturePcapNgCheckBox->setChecked(pref_pcap_ng_->stashed_val.boolval);
ui->captureRealTimeCheckBox->setChecked(pref_real_time_->stashed_val.boolval);
ui->captureAutoScrollCheckBox->setChecked(pref_auto_scroll_->stashed_val.boolval);
ui->captureShowInfoCheckBox->setChecked(pref_show_info_->stashed_val.boolval);
#endif // HAVE_LIBPCAP
}
/*
* Return as descriptive a name for an interface as we can get.
* If the user has specified a comment, use that. Otherwise,
* if capture_interface_list() supplies a description, use that,
* otherwise use the interface name.
*
* The result must be g_free()'d when you're done with it.
*
* Note: given that this calls capture_interface_list(), which attempts to
* open all adapters it finds in order to check whether they can be
* captured on, this is an expensive routine to call, so don't call it
* frequently.
*/
char *
get_interface_descriptive_name(const char *if_name)
{
char *descr;
GList *if_list;
GList *if_entry;
if_info_t *if_info;
int err;
/* Do we have a user-supplied description? */
descr = capture_dev_user_descr_find(if_name);
if (descr != NULL) {
/* Yes - make a copy of that. */
descr = g_strdup(descr);
} else if (strcmp(if_name, "-") == 0) {
/*
* Strictly speaking, -X (extension) options are for modules, e.g. Lua
* and using one here stretches that definition. However, this doesn't
* waste a single-letter option on something that might be rarely used
* and is backward-compatible to 1.0.
*/
descr = g_strdup(ex_opt_get_nth("stdin_descr", 0));
if (!descr) {
descr = g_strdup("Standard input");
}
} else {
/* No, we don't have a user-supplied description; did we get
one from the OS or libpcap? */
descr = NULL;
if_list = capture_interface_list(&err, NULL);
if (if_list != NULL) {
if_entry = if_list;
do {
if_info = if_entry->data;
if (strcmp(if_info->name, if_name) == 0) {
if (if_info->description != NULL) {
/* Return a copy of that - when we free the interface
list, that'll also free up the strings to which
it refers. */
descr = g_strdup(if_info->description);
}
break;
}
} while ((if_entry = g_list_next(if_entry)) != NULL);
}
free_interface_list(if_list);
if (descr == NULL) {
/* The interface name is all we have, so just return a copy of that. */
descr = g_strdup(if_name);
}
}
return descr;
}
gboolean capture_opts_trim_iface(capture_options *capture_opts, const char *capture_device)
{
GList *if_list;
if_info_t *if_info;
int err;
gchar *err_str;
/* 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);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
} else {
/* No - pick the first one from the list of interfaces. */
if_list = capture_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_info_t *)if_list->data; /* first interface */
capture_opts->iface = g_strdup(if_info->name);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
free_interface_list(if_list);
}
}
return TRUE;
}
/*
* Fetch the list of local interfaces with capture_interface_list()
* and set the list of "all interfaces" in *capture_opts to include
* those interfaces.
*/
void
scan_local_interfaces(void)
{
GList *if_entry, *lt_entry, *if_list;
if_info_t *if_info, *temp;
char *if_string;
gchar *descr;
if_capabilities_t *caps=NULL;
gint linktype_count;
gboolean monitor_mode;
GSList *curr_addr;
int ips = 0, i, err;
guint count = 0, j;
if_addr_t *addr, *temp_addr;
link_row *link = NULL;
data_link_info_t *data_link_info;
interface_t device;
GString *ip_str;
interface_options interface_opts;
gboolean found = FALSE;
if (global_capture_opts.all_ifaces->len > 0) {
for (i = (int)global_capture_opts.all_ifaces->len-1; i >= 0; i--) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (device.local && device.type != IF_PIPE && device.type != IF_STDIN) {
global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
}
}
}
/* Scan through the list and build a list of strings to display. */
if_list = capture_interface_list(&err, NULL);
count = 0;
for (if_entry = if_list; if_entry != NULL; if_entry = g_list_next(if_entry)) {
if_info = (if_info_t *)if_entry->data;
ip_str = g_string_new("");
ips = 0;
if (strstr(if_info->name, "rpcap:")) {
continue;
}
device.name = g_strdup(if_info->name);
if (if_info->friendly_name != NULL) {
device.friendly_name = g_strdup(if_info->friendly_name);
} else {
device.friendly_name = NULL;
}
device.hidden = FALSE;
device.locked = FALSE;
temp = (if_info_t *)g_malloc0(sizeof(if_info_t));
temp->name = g_strdup(if_info->name);
temp->friendly_name = g_strdup(if_info->friendly_name);
temp->vendor_description = g_strdup(if_info->vendor_description);
temp->loopback = if_info->loopback;
/* Is this interface hidden and, if so, should we include it anyway? */
/* Do we have a user-supplied description? */
descr = capture_dev_user_descr_find(if_info->name);
if (descr != NULL) {
/* Yes, we have a user-supplied description; use it. */
if_string = g_strdup_printf("%s: %s", descr, if_info->name);
g_free(descr);
} else {
/* No, we don't have a user-supplied description; did we get
one from the OS or libpcap? */
if (if_info->friendly_name != NULL) {
/* We have a friendly name from the OS, use it */
#ifdef _WIN32
/*
* On Windows, if we have a friendly name, just show it,
* don't show the name, as that's a string made out of
* the device GUID, and not at all friendly.
*/
if_string = g_strdup_printf("%s", if_info->friendly_name);
#else
/*
* On UN*X, if we have a friendly name, show it along
* with the interface name; the interface name is short
* and somewhat friendly, and many UN*X users are used
* to interface names, so we should show it.
*/
if_string = g_strdup_printf("%s: %s", if_info->friendly_name, if_info->name);
#endif
} else if (if_info->vendor_description != NULL) {
/* We have a device description from libpcap - use it. */
if_string = g_strdup_printf("%s: %s", if_info->vendor_description, if_info->name);
} else {
/* No. */
if_string = g_strdup(if_info->name);
}
}
device.display_name = if_string;
device.selected = FALSE;
if (prefs_is_capture_device_hidden(if_info->name)) {
device.hidden = TRUE;
}
device.type = if_info->type;
monitor_mode = prefs_capture_device_monitor_mode(if_info->name);
caps = capture_get_if_capabilities(if_info->name, monitor_mode, NULL);
for (; (curr_addr = g_slist_nth(if_info->addrs, ips)) != NULL; ips++) {
temp_addr = (if_addr_t *)g_malloc0(sizeof(if_addr_t));
if (ips != 0) {
g_string_append(ip_str, "\n");
}
addr = (if_addr_t *)curr_addr->data;
if (addr) {
temp_addr->ifat_type = addr->ifat_type;
switch (addr->ifat_type) {
case IF_AT_IPv4:
temp_addr->addr.ip4_addr = addr->addr.ip4_addr;
g_string_append(ip_str, ip_to_str((guint8 *)&addr->addr.ip4_addr));
break;
case IF_AT_IPv6:
memcpy(temp_addr->addr.ip6_addr, addr->addr.ip6_addr, sizeof(addr->addr));
g_string_append(ip_str, ip6_to_str((struct e_in6_addr *)&addr->addr.ip6_addr));
break;
default:
/* In case we add non-IP addresses */
break;
}
} else {
g_free(temp_addr);
temp_addr = NULL;
}
if (temp_addr) {
temp->addrs = g_slist_append(temp->addrs, temp_addr);
}
}
#ifdef HAVE_PCAP_REMOTE
device.local = TRUE;
device.remote_opts.src_type = CAPTURE_IFLOCAL;
device.remote_opts.remote_host_opts.remote_host = g_strdup(global_capture_opts.default_options.remote_host);
device.remote_opts.remote_host_opts.remote_port = g_strdup(global_capture_opts.default_options.remote_port);
device.remote_opts.remote_host_opts.auth_type = global_capture_opts.default_options.auth_type;
device.remote_opts.remote_host_opts.auth_username = g_strdup(global_capture_opts.default_options.auth_username);
device.remote_opts.remote_host_opts.auth_password = g_strdup(global_capture_opts.default_options.auth_password);
device.remote_opts.remote_host_opts.datatx_udp = global_capture_opts.default_options.datatx_udp;
device.remote_opts.remote_host_opts.nocap_rpcap = global_capture_opts.default_options.nocap_rpcap;
device.remote_opts.remote_host_opts.nocap_local = global_capture_opts.default_options.nocap_local;
#endif
#ifdef HAVE_PCAP_SETSAMPLING
device.remote_opts.sampling_method = global_capture_opts.default_options.sampling_method;
device.remote_opts.sampling_param = global_capture_opts.default_options.sampling_param;
#endif
linktype_count = 0;
device.links = NULL;
if (caps != NULL) {
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = monitor_mode;
device.monitor_mode_supported = caps->can_set_rfmon;
#endif
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;
if (linktype_count == 0) {
device.active_dlt = data_link_info->dlt;
}
link = (link_row *)g_malloc(sizeof(link_row));
if (data_link_info->description != NULL) {
link->dlt = data_link_info->dlt;
link->name = g_strdup_printf("%s", data_link_info->description);
} else {
link->dlt = -1;
link->name = g_strdup_printf("%s (not supported)", data_link_info->name);
}
device.links = g_list_append(device.links, link);
linktype_count++;
}
} else {
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = FALSE;
device.monitor_mode_supported = FALSE;
#endif
device.active_dlt = -1;
}
device.addresses = g_strdup(ip_str->str);
device.no_addresses = ips;
device.local = TRUE;
device.if_info = *temp;
device.last_packets = 0;
if ((device.pmode = capture_dev_user_pmode_find(if_info->name)) == -1) {
device.pmode = global_capture_opts.default_options.promisc_mode;
}
if ((device.has_snaplen = capture_dev_user_hassnap_find(if_info->name)) == -1) {
device.has_snaplen = global_capture_opts.default_options.has_snaplen;
}
if (capture_dev_user_snaplen_find(if_info->name) == -1) {
device.snaplen = global_capture_opts.default_options.snaplen;
} else {
device.snaplen = (guint)capture_dev_user_snaplen_find(if_info->name);
}
device.cfilter = g_strdup(global_capture_opts.default_options.cfilter);
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
if ((device.buffer = capture_dev_user_buffersize_find(if_info->name)) == -1) {
device.buffer = global_capture_opts.default_options.buffer_size;
}
#endif
if (global_capture_opts.ifaces->len > 0) {
for (j = 0; j < global_capture_opts.ifaces->len; j++) {
interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, j);
if (strcmp(interface_opts.name, device.name) == 0) {
#if defined(HAVE_PCAP_CREATE)
device.buffer = interface_opts.buffer_size;
device.monitor_mode_enabled = interface_opts.monitor_mode;
#endif
device.pmode = interface_opts.promisc_mode;
device.has_snaplen = interface_opts.has_snaplen;
device.snaplen = interface_opts.snaplen;
device.cfilter = g_strdup(interface_opts.cfilter);
if (interface_opts.linktype != -1) {
device.active_dlt = interface_opts.linktype;
}
device.selected = TRUE;
global_capture_opts.num_selected++;
break;
}
}
}
if (global_capture_opts.all_ifaces->len <= count) {
g_array_append_val(global_capture_opts.all_ifaces, device);
count = global_capture_opts.all_ifaces->len;
} else {
g_array_insert_val(global_capture_opts.all_ifaces, count, device);
}
if (caps != NULL) {
free_if_capabilities(caps);
}
g_string_free(ip_str, TRUE);
count++;
}
free_interface_list(if_list);
/* see whether there are additional interfaces in ifaces */
for (j = 0; j < global_capture_opts.ifaces->len; j++) {
interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, j);
found = FALSE;
for (i = 0; i < (int)global_capture_opts.all_ifaces->len; i++) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (strcmp(device.name, interface_opts.name) == 0) {
found = TRUE;
break;
}
}
if (!found) { /* new interface, maybe a pipe */
device.name = g_strdup(interface_opts.name);
device.display_name = g_strdup_printf("%s: %s", device.name, interface_opts.descr);
device.hidden = FALSE;
device.selected = TRUE;
device.type = IF_PIPE;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
device.buffer = interface_opts.buffer_size;
#endif
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = interface_opts.monitor_mode;
device.monitor_mode_supported = FALSE;
#endif
device.pmode = interface_opts.promisc_mode;
device.has_snaplen = interface_opts.has_snaplen;
device.snaplen = interface_opts.snaplen;
device.cfilter = g_strdup(interface_opts.cfilter);
device.active_dlt = interface_opts.linktype;
device.addresses = NULL;
device.no_addresses = 0;
device.last_packets = 0;
device.links = NULL;
device.local = TRUE;
device.locked = FALSE;
device.if_info.name = g_strdup(interface_opts.name);
device.if_info.friendly_name = NULL;
device.if_info.vendor_description = g_strdup(interface_opts.descr);
device.if_info.addrs = NULL;
device.if_info.loopback = FALSE;
g_array_append_val(global_capture_opts.all_ifaces, device);
global_capture_opts.num_selected++;
}
}
}
void InterfaceTree::getInterfaceList()
{
#ifdef HAVE_LIBPCAP
GList *if_list;
int err;
gchar *err_str = NULL;
clear();
if_list = capture_interface_list(&err, &err_str,main_window_update);
if_list = g_list_sort(if_list, if_list_comparator_alph);
if (if_list == NULL) {
QTreeWidgetItem *ti = new QTreeWidgetItem();
QLabel *err_label = new QLabel(gchar_free_to_qstring(err_str));
err_label->setWordWrap(true);
setColumnCount(1);
addTopLevelItem(ti);
setItemWidget(ti, 0, err_label);
resizeColumnToContents(0);
return;
} else if (err_str) {
g_free(err_str);
}
// XXX Do we need to check for this? capture_interface_list returns an error if the length is 0.
if (g_list_length(if_list) > 0) {
interface_t device;
setDisabled(false);
for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
QList<int> *points;
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
/* Continue if capture device is hidden */
if (device.hidden) {
continue;
}
QTreeWidgetItem *ti = new QTreeWidgetItem();
ti->setText(0, QString().fromUtf8(device.display_name));
ti->setData(0, Qt::UserRole, QString(device.name));
points = new QList<int>();
ti->setData(1, Qt::UserRole, qVariantFromValue(points));
addTopLevelItem(ti);
// XXX Add other device information
resizeColumnToContents(1);
if (strstr(prefs.capture_device, device.name) != NULL) {
device.selected = TRUE;
global_capture_opts.num_selected++;
global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
g_array_insert_val(global_capture_opts.all_ifaces, i, device);
}
if (device.selected) {
ti->setSelected(true);
}
}
}
free_interface_list(if_list);
resizeEvent(NULL);
if (!stat_timer_) {
updateStatistics();
stat_timer_ = new QTimer(this);
connect(stat_timer_, SIGNAL(timeout()), this, SLOT(updateStatistics()));
stat_timer_->start(stat_update_interval_);
}
#else
QTreeWidgetItem *ti = new QTreeWidgetItem();
clear();
setColumnCount(1);
ti->setText(0, tr("Interface information not available"));
addTopLevelItem(ti);
resizeColumnToContents(0);
#endif // HAVE_LIBPCAP
}
gboolean capture_opts_trim_iface(capture_options *capture_opts, const char *capture_device)
{
GList *if_list;
if_info_t *if_info;
int err;
gchar *err_str;
interface_options interface_opts;
/* Did the user specify an interface to use? */
if (capture_opts->num_selected == 0 && capture_opts->ifaces->len == 0) {
/* No - is a default specified in the preferences file? */
if (capture_device != NULL) {
/* Yes - use it. */
interface_opts.name = g_strdup(capture_device);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
} else {
/* No - pick the first one from the list of interfaces. */
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 FALSE;
}
if_info = (if_info_t *)if_list->data; /* first interface */
interface_opts.name = g_strdup(if_info->name);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
free_interface_list(if_list);
}
if (capture_opts->default_options.descr) {
interface_opts.descr = g_strdup(capture_opts->default_options.descr);
} else {
interface_opts.descr = NULL;
}
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;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
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
g_array_append_val(capture_opts->ifaces, interface_opts);
}
return TRUE;
}
static int
capture_opts_add_iface_opt(capture_options *capture_opts, const char *optarg_str_p)
{
long adapter_index;
char *p;
GList *if_list;
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
* of adapters, as printed by "tshark -D".
*
* This should be OK on UNIX systems, as interfaces shouldn't have
* 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_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 = 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_info = (if_info_t *)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;
}
interface_opts.name = g_strdup(if_info->name);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
free_interface_list(if_list);
} else {
interface_opts.name = g_strdup(optarg_str_p);
}
interface_opts.descr = g_strdup(capture_opts->default_options.descr);
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;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
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
g_array_append_val(capture_opts->ifaces, interface_opts);
return 0;
}
static int
capture_opts_add_iface_opt(capture_options *capture_opts, const char *optarg_str_p)
{
long adapter_index;
char *p;
GList *if_list;
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
* of adapters, as printed by "tshark -D".
*
* This should be OK on UNIX systems, as interfaces shouldn't have
* 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_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 = 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 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 {
/* 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 {
/*
* 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;
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;
}
/* 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;
break;
}
}
/* 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);
}
}
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
interface_opts.descr = g_strdup(capture_opts->default_options.descr);
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;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
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
g_array_append_val(capture_opts->ifaces, interface_opts);
return 0;
}
static int
capture_opts_add_iface_opt(capture_options *capture_opts, const char *optarg_str_p)
{
long adapter_index;
char *p;
GList *if_list;
if_info_t *if_info;
int err;
gchar *err_str;
/*
* If the argument is a number, treat it as an index into the list
* of adapters, as printed by "tshark -D".
*
* This should be OK on UNIX systems, as interfaces shouldn't have
* 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_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 = capture_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 = (if_info_t *)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);
/* We don't set iface_descr here because doing so requires
* capture_ui_utils.c which requires epan/prefs.c which is
* probably a bit too much dependency for here...
*/
free_interface_list(if_list);
} else {
capture_opts->iface = g_strdup(optarg_str_p);
}
return 0;
}
GtkWidget*
capture_prefs_show(void)
{
GtkWidget *main_tb, *main_vb;
GtkWidget *if_cbxe, *if_lb, *promisc_cb, *pcap_ng_cb, *sync_cb, *auto_scroll_cb, *show_info_cb;
GtkWidget *ifopts_lb, *ifopts_bt;
GList *if_list, *combo_list;
int err;
int row = 0;
const gchar *tooltips_text;
/* Main vertical box */
main_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 7, FALSE);
gtk_container_set_border_width(GTK_CONTAINER(main_vb), 5);
/* Main table */
main_tb = gtk_table_new(CAPTURE_TABLE_ROWS, 2, FALSE);
gtk_box_pack_start(GTK_BOX(main_vb), main_tb, FALSE, FALSE, 0);
gtk_table_set_row_spacings(GTK_TABLE(main_tb), 10);
gtk_table_set_col_spacings(GTK_TABLE(main_tb), 15);
gtk_widget_show(main_tb);
/* Default device */
if_lb = gtk_label_new("Default interface:");
gtk_table_attach_defaults(GTK_TABLE(main_tb), if_lb, 0, 1, row, row+1);
gtk_misc_set_alignment(GTK_MISC(if_lb), 1.0f, 0.5f);
gtk_widget_show(if_lb);
if_cbxe = gtk_combo_box_text_new_with_entry();
/*
* XXX - what if we can't get the list?
*/
if_list = capture_interface_list(&err, NULL);
combo_list = build_capture_combo_list(if_list, FALSE);
free_interface_list(if_list);
if (combo_list != NULL) {
GList *combo_entry;
for (combo_entry = combo_list; combo_entry != NULL; combo_entry = g_list_next(combo_entry)) {
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(if_cbxe), combo_entry->data);
}
}
if (prefs.capture_device) {
gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(if_cbxe))),
prefs.capture_device);
}
else if (combo_list != NULL) {
gtk_combo_box_set_active(GTK_COMBO_BOX(if_cbxe), 0);
}
free_capture_combo_list(combo_list);
gtk_table_attach_defaults(GTK_TABLE(main_tb), if_cbxe, 1, 2, row, row+1);
tooltips_text = "The default interface to be captured from.";
gtk_widget_set_tooltip_text(if_lb, tooltips_text);
gtk_widget_set_tooltip_text(gtk_bin_get_child(GTK_BIN(if_cbxe)), tooltips_text);
gtk_widget_show(if_cbxe);
g_object_set_data(G_OBJECT(main_vb), DEVICE_KEY, if_cbxe);
row++;
/* Interface properties */
ifopts_lb = gtk_label_new("Interfaces:");
gtk_table_attach_defaults(GTK_TABLE(main_tb), ifopts_lb, 0, 1, row, row+1);
gtk_misc_set_alignment(GTK_MISC(ifopts_lb), 1.0f, 0.5f);
gtk_widget_show(ifopts_lb);
ifopts_bt = gtk_button_new_from_stock(WIRESHARK_STOCK_EDIT);
tooltips_text = "Open a dialog box to set various interface options.";
gtk_widget_set_tooltip_text(ifopts_lb, tooltips_text);
gtk_widget_set_tooltip_text(ifopts_bt, tooltips_text);
g_signal_connect(ifopts_bt, "clicked", G_CALLBACK(ifopts_edit_cb), NULL);
gtk_table_attach_defaults(GTK_TABLE(main_tb), ifopts_bt, 1, 2, row, row+1);
row++;
/* Promiscuous mode */
promisc_cb = create_preference_check_button(main_tb, row++,
"Capture packets in promiscuous mode:",
"Usually a network card will only capture the traffic sent to its own network address. "
"If you want to capture all traffic that the network card can \"see\", mark this option. "
"See the FAQ for some more details of capturing packets from a switched network. ",
prefs.capture_prom_mode);
g_object_set_data(G_OBJECT(main_vb), PROM_MODE_KEY, promisc_cb);
/* Pcap-NG format */
pcap_ng_cb = create_preference_check_button(main_tb, row++,
"Capture packets in pcap-ng format:",
"Capture packets in the next-generation capture file format.",
prefs.capture_pcap_ng);
g_object_set_data(G_OBJECT(main_vb), PCAP_NG_KEY, pcap_ng_cb);
/* Real-time capture */
sync_cb = create_preference_check_button(main_tb, row++,
"Update list of packets in real time:",
"Update the list of packets while capture is in progress. "
"Don't use this option if you notice packet drops.",
prefs.capture_real_time);
g_object_set_data(G_OBJECT(main_vb), CAPTURE_REAL_TIME_KEY, sync_cb);
/* Auto-scroll real-time capture */
auto_scroll_cb = create_preference_check_button(main_tb, row++,
"Automatic scrolling in live capture:",
"Automatic scrolling of the packet list while live capture is in progress. ",
prefs.capture_auto_scroll);
g_object_set_data(G_OBJECT(main_vb), AUTO_SCROLL_KEY, auto_scroll_cb);
/* Show capture info dialog */
show_info_cb = create_preference_check_button(main_tb, row++,
"Hide capture info dialog:",
"Hide the capture info dialog while capturing. ",
!prefs.capture_show_info);
g_object_set_data(G_OBJECT(main_vb), SHOW_INFO_KEY, show_info_cb);
/* Show 'em what we got */
gtk_widget_show_all(main_vb);
return(main_vb);
}
/*
* Fetch the list of local interfaces with capture_interface_list()
* and set the list of "all interfaces" in *capture_opts to include
* those interfaces.
*/
void
scan_local_interfaces(void (*update_cb)(void))
{
GList *if_entry, *lt_entry, *if_list;
if_info_t *if_info, temp;
gchar *descr;
if_capabilities_t *caps=NULL;
gint linktype_count;
gboolean monitor_mode;
GSList *curr_addr;
int ips = 0, i;
guint count = 0, j;
if_addr_t *addr, *temp_addr;
link_row *link = NULL;
data_link_info_t *data_link_info;
interface_t device;
GString *ip_str;
interface_options interface_opts;
gboolean found = FALSE;
if (global_capture_opts.all_ifaces->len > 0) {
for (i = (int)global_capture_opts.all_ifaces->len-1; i >= 0; i--) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (device.local && device.type != IF_PIPE && device.type != IF_STDIN) {
global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
if (device.selected) {
global_capture_opts.num_selected--;
/* if device was to be used after this statement,
we should set device.selected=FALSE here */
}
/* if we remove an interface from all_interfaces,
it must also be removed from ifaces if it is present there
otherwise, it would be re-added to all_interfaces below
(interfaces set with -i on the command line are initially present in ifaces but not
in all_interfaces, but these interfaces are not removed here) */
for (j = 0; j < global_capture_opts.ifaces->len; j++) {
interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, j);
if (strcmp(device.name, interface_opts.name) == 0) {
/* 2nd param must be the index of ifaces (not all_ifaces) */
capture_opts_del_iface(&global_capture_opts, j);
}
}
capture_opts_free_interface_t(&device);
}
}
}
/* Scan through the list and build a list of strings to display. */
g_free(global_capture_opts.ifaces_err_info);
if_list = capture_interface_list(&global_capture_opts.ifaces_err,
&global_capture_opts.ifaces_err_info,
update_cb);
count = 0;
for (if_entry = if_list; if_entry != NULL; if_entry = g_list_next(if_entry)) {
memset(&device, 0, sizeof(device));
if_info = (if_info_t *)if_entry->data;
ip_str = g_string_new("");
ips = 0;
if (strstr(if_info->name, "rpcap:")) {
continue;
}
device.name = g_strdup(if_info->name);
if (if_info->friendly_name != NULL) {
device.friendly_name = g_strdup(if_info->friendly_name);
} else {
device.friendly_name = NULL;
}
device.hidden = FALSE;
device.locked = FALSE;
memset(&temp, 0, sizeof(temp));
temp.name = g_strdup(if_info->name);
temp.friendly_name = g_strdup(if_info->friendly_name);
temp.vendor_description = g_strdup(if_info->vendor_description);
temp.loopback = if_info->loopback;
temp.type = if_info->type;
#ifdef HAVE_EXTCAP
temp.extcap = g_strdup(if_info->extcap);
#endif
/* Is this interface hidden and, if so, should we include it anyway? */
descr = capture_dev_user_descr_find(if_info->name);
device.display_name = get_iface_display_name(descr, if_info);
g_free(descr);
device.selected = FALSE;
if (prefs_is_capture_device_hidden(if_info->name)) {
device.hidden = TRUE;
}
device.type = if_info->type;
monitor_mode = prefs_capture_device_monitor_mode(if_info->name);
caps = capture_get_if_capabilities(if_info->name, monitor_mode, NULL, NULL, update_cb);
for (; (curr_addr = g_slist_nth(if_info->addrs, ips)) != NULL; ips++) {
temp_addr = (if_addr_t *)g_malloc0(sizeof(if_addr_t));
if (ips != 0) {
g_string_append(ip_str, "\n");
}
addr = (if_addr_t *)curr_addr->data;
if (addr) {
address addr_str;
char* temp_addr_str = NULL;
temp_addr->ifat_type = addr->ifat_type;
switch (addr->ifat_type) {
case IF_AT_IPv4:
temp_addr->addr.ip4_addr = addr->addr.ip4_addr;
set_address(&addr_str, AT_IPv4, 4, &addr->addr.ip4_addr);
temp_addr_str = address_to_str(NULL, &addr_str);
g_string_append(ip_str, temp_addr_str);
break;
case IF_AT_IPv6:
memcpy(temp_addr->addr.ip6_addr, addr->addr.ip6_addr, sizeof(addr->addr));
set_address(&addr_str, AT_IPv6, 16, addr->addr.ip6_addr);
temp_addr_str = address_to_str(NULL, &addr_str);
g_string_append(ip_str, temp_addr_str);
break;
default:
/* In case we add non-IP addresses */
break;
}
wmem_free(NULL, temp_addr_str);
} else {
g_free(temp_addr);
temp_addr = NULL;
}
if (temp_addr) {
temp.addrs = g_slist_append(temp.addrs, temp_addr);
}
}
#ifdef HAVE_PCAP_REMOTE
device.local = TRUE;
device.remote_opts.src_type = CAPTURE_IFLOCAL;
device.remote_opts.remote_host_opts.remote_host = g_strdup(global_capture_opts.default_options.remote_host);
device.remote_opts.remote_host_opts.remote_port = g_strdup(global_capture_opts.default_options.remote_port);
device.remote_opts.remote_host_opts.auth_type = global_capture_opts.default_options.auth_type;
device.remote_opts.remote_host_opts.auth_username = g_strdup(global_capture_opts.default_options.auth_username);
device.remote_opts.remote_host_opts.auth_password = g_strdup(global_capture_opts.default_options.auth_password);
device.remote_opts.remote_host_opts.datatx_udp = global_capture_opts.default_options.datatx_udp;
device.remote_opts.remote_host_opts.nocap_rpcap = global_capture_opts.default_options.nocap_rpcap;
device.remote_opts.remote_host_opts.nocap_local = global_capture_opts.default_options.nocap_local;
#endif
#ifdef HAVE_PCAP_SETSAMPLING
device.remote_opts.sampling_method = global_capture_opts.default_options.sampling_method;
device.remote_opts.sampling_param = global_capture_opts.default_options.sampling_param;
#endif
linktype_count = 0;
device.links = NULL;
if (caps != NULL) {
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = monitor_mode;
device.monitor_mode_supported = caps->can_set_rfmon;
#endif
/*
* Process the list of link-layer header types.
*/
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;
link = (link_row *)g_malloc(sizeof(link_row));
if (data_link_info->description != NULL) {
link->dlt = data_link_info->dlt;
link->name = g_strdup_printf("%s", data_link_info->description);
} else {
link->dlt = -1;
link->name = g_strdup_printf("%s (not supported)", data_link_info->name);
}
device.links = g_list_append(device.links, link);
linktype_count++;
}
/*
* Set the active DLT for the device appropriately.
*/
set_active_dlt(&device, global_capture_opts.default_options.linktype);
} else {
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = FALSE;
device.monitor_mode_supported = FALSE;
#endif
device.active_dlt = -1;
}
device.addresses = g_strdup(ip_str->str);
device.no_addresses = ips;
device.local = TRUE;
device.if_info = temp;
device.last_packets = 0;
if (!capture_dev_user_pmode_find(if_info->name, &device.pmode)) {
device.pmode = global_capture_opts.default_options.promisc_mode;
}
if (!capture_dev_user_snaplen_find(if_info->name, &device.has_snaplen,
&device.snaplen)) {
device.has_snaplen = global_capture_opts.default_options.has_snaplen;
device.snaplen = global_capture_opts.default_options.snaplen;
}
device.cfilter = g_strdup(global_capture_opts.default_options.cfilter);
#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
if ((device.buffer = capture_dev_user_buffersize_find(if_info->name)) == -1) {
device.buffer = global_capture_opts.default_options.buffer_size;
}
#endif
fill_from_ifaces(&device);
#ifdef HAVE_EXTCAP
/* Extcap devices start with no cached args */
device.external_cap_args_settings = NULL;
#endif
if (global_capture_opts.all_ifaces->len <= count) {
g_array_append_val(global_capture_opts.all_ifaces, device);
count = global_capture_opts.all_ifaces->len;
} else {
g_array_insert_val(global_capture_opts.all_ifaces, count, device);
}
if (caps != NULL) {
free_if_capabilities(caps);
}
g_string_free(ip_str, TRUE);
count++;
}
free_interface_list(if_list);
/* see whether there are additional interfaces in ifaces */
for (j = 0; j < global_capture_opts.ifaces->len; j++) {
interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, j);
found = FALSE;
for (i = 0; i < (int)global_capture_opts.all_ifaces->len; i++) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (strcmp(device.name, interface_opts.name) == 0) {
found = TRUE;
break;
}
}
if (!found) { /* new interface, maybe a pipe */
memset(&device, 0, sizeof(device));
device.name = g_strdup(interface_opts.name);
device.display_name = interface_opts.descr ?
g_strdup_printf("%s: %s", device.name, interface_opts.descr) :
g_strdup_printf("%s", device.name);
device.hidden = FALSE;
device.selected = TRUE;
device.type = IF_PIPE;
#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
device.buffer = interface_opts.buffer_size;
#endif
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = interface_opts.monitor_mode;
device.monitor_mode_supported = FALSE;
#endif
device.pmode = interface_opts.promisc_mode;
device.has_snaplen = interface_opts.has_snaplen;
device.snaplen = interface_opts.snaplen;
device.cfilter = g_strdup(interface_opts.cfilter);
device.active_dlt = interface_opts.linktype;
device.addresses = NULL;
device.no_addresses = 0;
device.last_packets = 0;
device.links = NULL;
device.local = TRUE;
device.locked = FALSE;
device.if_info.name = g_strdup(interface_opts.name);
device.if_info.friendly_name = NULL;
device.if_info.vendor_description = g_strdup(interface_opts.descr);
device.if_info.addrs = NULL;
device.if_info.loopback = FALSE;
#ifdef HAVE_EXTCAP
device.if_info.extcap = g_strdup(interface_opts.extcap);
#endif
g_array_append_val(global_capture_opts.all_ifaces, device);
global_capture_opts.num_selected++;
}
}
}
/* And now our feature presentation... [ fade to music ] */
int main(int argc, char *argv[])
{
WiresharkApplication a(argc, argv);
MainWindow *w;
char *init_progfile_dir_error;
char *s;
int opt;
gboolean arg_error = FALSE;
extern int info_update_freq; /* Found in about_dlg.c. */
const gchar *filter;
#ifdef _WIN32
WSADATA wsaData;
#endif /* _WIN32 */
char *rf_path;
int rf_open_errno;
char *gdp_path, *dp_path;
int err;
#ifdef HAVE_LIBPCAP
gboolean start_capture = FALSE;
gboolean list_link_layer_types = FALSE;
GList *if_list;
gchar *err_str;
#else
gboolean capture_option_specified = FALSE;
#ifdef _WIN32
#ifdef HAVE_AIRPCAP
gchar *err_str;
#endif
#endif
#endif
gint pl_size = 280, tv_size = 95, bv_size = 75;
gchar *rc_file, *cf_name = NULL, *rfilter = NULL, *jfilter = NULL;
dfilter_t *rfcode = NULL;
gboolean rfilter_parse_failed = FALSE;
e_prefs *prefs_p;
char badopt;
//GtkWidget *splash_win = NULL;
GLogLevelFlags log_flags;
guint go_to_packet = 0;
gboolean jump_backwards = FALSE;
dfilter_t *jump_to_filter = NULL;
int optind_initial;
int status;
//initialize language !
QString locale = QLocale::system().name();
g_log(NULL, G_LOG_LEVEL_DEBUG, "Translator %s", locale.toStdString().c_str());
QTranslator translator;
translator.load(QString(":/i18n/qtshark_") + locale);
a.installTranslator(&translator);
// Hopefully we won't have to use QString::fromUtf8() in as many places.
QTextCodec *utf8codec = QTextCodec::codecForName("UTF-8");
QTextCodec::setCodecForCStrings(utf8codec);
QTextCodec::setCodecForTr(utf8codec);
#ifdef HAVE_LIBPCAP
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
#define OPTSTRING_B "B:"
#else
#define OPTSTRING_B ""
#endif /* _WIN32 or HAVE_PCAP_CREATE */
#else /* HAVE_LIBPCAP */
#define OPTSTRING_B ""
#endif /* HAVE_LIBPCAP */
#ifdef HAVE_PCAP_CREATE
#define OPTSTRING_I "I"
#else
#define OPTSTRING_I ""
#endif
#define OPTSTRING "a:b:" OPTSTRING_B "c:C:Df:g:Hhi:" OPTSTRING_I "jJ:kK:lLm:nN:o:P:pQr:R:Ss:t:u:vw:X:y:z:"
static const char optstring[] = OPTSTRING;
/*
* Get credential information for later use, and drop privileges
* before doing anything else.
* Let the user know if anything happened.
*/
init_process_policies();
relinquish_special_privs_perm();
/*
* Attempt to get the pathname of the executable file.
*/
init_progfile_dir_error = init_progfile_dir(argv[0], main);
g_log(NULL, G_LOG_LEVEL_DEBUG, "progfile_dir: %s", get_progfile_dir());
/* initialize the funnel mini-api */
// xxx qtshark
//initialize_funnel_ops();
AirPDcapInitContext(&airpdcap_ctx);
// xxx qtshark
#ifdef _WIN32
/* Load wpcap if possible. Do this before collecting the run-time version information */
load_wpcap();
/* ... and also load the packet.dll from wpcap */
wpcap_packet_load();
#ifdef HAVE_AIRPCAP
/* Load the airpcap.dll. This must also be done before collecting
* run-time version information. */
airpcap_dll_ret_val = load_airpcap();
switch (airpcap_dll_ret_val) {
case AIRPCAP_DLL_OK:
/* load the airpcap interfaces */
airpcap_if_list = get_airpcap_interface_list(&err, &err_str);
if (airpcap_if_list == NULL || g_list_length(airpcap_if_list) == 0){
if (err == CANT_GET_AIRPCAP_INTERFACE_LIST && err_str != NULL) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", "Failed to open Airpcap Adapters!");
g_free(err_str);
}
airpcap_if_active = NULL;
} else {
/* select the first ad default (THIS SHOULD BE CHANGED) */
airpcap_if_active = airpcap_get_default_if(airpcap_if_list);
}
break;
#if 0
/*
* XXX - Maybe we need to warn the user if one of the following happens???
*/
case AIRPCAP_DLL_OLD:
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s","AIRPCAP_DLL_OLD\n");
break;
case AIRPCAP_DLL_ERROR:
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s","AIRPCAP_DLL_ERROR\n");
break;
case AIRPCAP_DLL_NOT_FOUND:
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s","AIRPCAP_DDL_NOT_FOUND\n");
break;
#endif
}
#endif /* HAVE_AIRPCAP */
/* Start windows sockets */
WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
#endif /* _WIN32 */
profile_store_persconffiles (TRUE);
/* Assemble the compile-time version information string */
comp_info_str = g_string_new("Compiled ");
// xxx qtshark
get_compiled_version_info(comp_info_str, get_qt_compiled_info, get_gui_compiled_info);
/* Assemble the run-time version information string */
runtime_info_str = g_string_new("Running ");
// xxx qtshark
get_runtime_version_info(runtime_info_str, get_gui_runtime_info);
/* Read the profile independent recent file. We have to do this here so we can */
/* set the profile before it can be set from the command line parameterts */
// xxx qtshark
//recent_read_static(&rf_path, &rf_open_errno);
//if (rf_path != NULL && rf_open_errno != 0) {
// simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
// "Could not open common recent file\n\"%s\": %s.",
// rf_path, strerror(rf_open_errno));
//}
/* "pre-scan" the command line parameters, if we have "console only"
parameters. We do this so we don't start GTK+ if we're only showing
command-line help or version information.
XXX - this pre-scan is done before we start GTK+, so we haven't
run gtk_init() on the arguments. That means that GTK+ arguments
have not been removed from the argument list; those arguments
begin with "--", and will be treated as an error by getopt().
We thus ignore errors - *and* set "opterr" to 0 to suppress the
error messages. */
opterr = 0;
optind_initial = optind;
while ((opt = getopt(argc, argv, optstring)) != -1) {
switch (opt) {
case 'C': /* Configuration Profile */
if (profile_exists (optarg, FALSE)) {
set_profile_name (optarg);
} else {
cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
exit(1);
}
break;
case 'D': /* Print a list of capture devices and exit */
#ifdef HAVE_LIBPCAP
if_list = capture_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;
}
exit(2);
}
capture_opts_print_interfaces(if_list);
free_interface_list(if_list);
exit(0);
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'h': /* Print help and exit */
print_usage(TRUE);
exit(0);
break;
#ifdef _WIN32
case 'i':
if (strcmp(optarg, "-") == 0)
stdin_capture = TRUE;
break;
#endif
case 'P': /* Path settings - change these before the Preferences and alike are processed */
status = filesystem_opt(opt, optarg);
if(status != 0) {
cmdarg_err("-P flag \"%s\" failed (hint: is it quoted and existing?)", optarg);
exit(status);
}
break;
case 'v': /* Show version and exit */
show_version();
exit(0);
break;
case 'X':
/*
* Extension command line options have to be processed before
* we call epan_init() as they are supposed to be used by dissectors
* or taps very early in the registration process.
*/
ex_opt_add(optarg);
break;
case '?': /* Ignore errors - the "real" scan will catch them. */
break;
}
}
cf_callback_add(main_cf_callback, NULL);
/* Arrange that if we have no console window, and a GLib message logging
routine is called to log a message, we pop up a console window.
We do that by inserting our own handler for all messages logged
to the default domain; that handler pops up a console if necessary,
and then calls the default handler. */
/* We might want to have component specific log levels later ... */
log_flags = (GLogLevelFlags) (
G_LOG_LEVEL_ERROR|
G_LOG_LEVEL_CRITICAL|
G_LOG_LEVEL_WARNING|
G_LOG_LEVEL_MESSAGE|
G_LOG_LEVEL_INFO|
G_LOG_LEVEL_DEBUG|
G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION );
g_log_set_handler(NULL,
log_flags,
console_log_handler, NULL /* user_data */);
g_log_set_handler(LOG_DOMAIN_MAIN,
log_flags,
console_log_handler, NULL /* user_data */);
#ifdef HAVE_LIBPCAP
g_log_set_handler(LOG_DOMAIN_CAPTURE,
log_flags,
console_log_handler, NULL /* user_data */);
g_log_set_handler(LOG_DOMAIN_CAPTURE_CHILD,
log_flags,
console_log_handler, NULL /* user_data */);
/* Set the initial values in the capture options. This might be overwritten
by preference settings and then again by the command line parameters. */
capture_opts_init(&global_capture_opts, &cfile);
#endif
/* Register all dissectors; we must do this before checking for the
"-G" flag, as the "-G" flag dumps information registered by the
dissectors, and we must do it before we read the preferences, in
case any dissectors register preferences. */
epan_init(register_all_protocols,register_all_protocol_handoffs,
NULL, NULL,
// splash_update, (gpointer) splash_win,
failure_alert_box,open_failure_alert_box,read_failure_alert_box,
write_failure_alert_box
);
// splash_update(RA_LISTENERS, NULL, (gpointer)splash_win);
/* Register all tap listeners; we do this before we parse the arguments,
as the "-z" argument can specify a registered tap. */
/* we register the plugin taps before the other taps because
stats_tree taps plugins will be registered as tap listeners
by stats_tree_stat.c and need to registered before that */
g_log(NULL, G_LOG_LEVEL_DEBUG, "plugin_dir: %s", get_plugin_dir());
#ifdef HAVE_PLUGINS
register_all_plugin_tap_listeners();
#endif
// register_all_tap_listeners();
// splash_update(RA_PREFERENCES, NULL, (gpointer)splash_win);
prefs_p = read_configuration_files (&gdp_path, &dp_path);
/* Removed thread code:
* http://anonsvn.wireshark.org/viewvc/viewvc.cgi?view=rev&revision=35027
*/
g_log(NULL, G_LOG_LEVEL_DEBUG, "FIX: timestamp types should be set elsewhere");
timestamp_set_type(TS_RELATIVE);
timestamp_set_precision(TS_PREC_AUTO_USEC);
timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
/////////
build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
font_init();
////////
/* Read the dynamic part of the recent file, as we have the gui now ready for
it. */
recent_read_dynamic(&rf_path, &rf_open_errno);
if (rf_path != NULL && rf_open_errno != 0) {
simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
"Could not open recent file\n\"%s\": %s.",
rf_path, g_strerror(rf_open_errno));
}
color_filters_enable(recent.packet_list_colorize);
g_log(NULL, G_LOG_LEVEL_DEBUG, "FIX: fetch recent color settings");
color_filters_enable(TRUE);
////////
switch (user_font_apply()) {
case FA_SUCCESS:
break;
case FA_FONT_NOT_RESIZEABLE:
/* "user_font_apply()" popped up an alert box. */
/* turn off zooming - font can't be resized */
case FA_FONT_NOT_AVAILABLE:
/* XXX - did we successfully load the un-zoomed version earlier?
If so, this *probably* means the font is available, but not at
this particular zoom level, but perhaps some other failure
occurred; I'm not sure you can determine which is the case,
however. */
/* turn off zooming - zoom level is unavailable */
default:
/* in any other case than FA_SUCCESS, turn off zooming */
// recent.gui_zoom_level = 0;
/* XXX: would it be a good idea to disable zooming (insensitive GUI)? */
break;
}
////////
color_filters_init();
////////
w = new(MainWindow);
w->show();
return a.exec();
}
void CaptureInterfacesDialog::UpdateInterfaces()
{
ui->cbPcap->setCurrentIndex(!prefs.capture_pcap_ng);
ui->capturePromModeCheckBox->setChecked(prefs.capture_prom_mode);
ui->cbStopCaptureAuto->setChecked(global_capture_opts.has_file_duration);
ui->cbNewFileAuto->setChecked(global_capture_opts.multi_files_on);
ui->cbUpdatePacketsRT->setChecked(global_capture_opts.real_time_mode);
ui->cbAutoScroll->setChecked(true);
ui->cbExtraCaptureInfo->setChecked(global_capture_opts.show_info);
ui->cbResolveMacAddresses->setChecked(gbl_resolv_flags.mac_name);
ui->cbResolveNetworkNames->setChecked(gbl_resolv_flags.network_name);
ui->cbResolveTransportNames->setChecked(gbl_resolv_flags.transport_name);
ui->tbInterfaces->setRowCount(0);
GList *if_list;
int err;
gchar *err_str = NULL;
GList *list;
char *snaplen_string, *linkname;
//guint i;
link_row *linkr = NULL;
//interface_t device;
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
gint buffer;
#endif
gint snaplen;
gboolean hassnap, pmode;
if_list = capture_interface_list(&err, &err_str,main_window_update);
if_list = g_list_sort(if_list, if_list_comparator_alph);
// XXX Do we need to check for this? capture_interface_list returns an error if the length is 0.
if (g_list_length(if_list) > 0) {
interface_t device;
//setDisabled(false);
for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
QList<int> *points;
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
/* Continue if capture device is hidden */
if (device.hidden) {
continue;
}
QString output;
ui->tbInterfaces->setRowCount(ui->tbInterfaces->rowCount() + 1);
QTableWidgetItem *cbSelected = new QTableWidgetItem();
cbSelected->setCheckState(device.selected ? Qt::Checked : Qt::Unchecked);
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, CAPTURE, cbSelected);
// traffic lines
ui->tbInterfaces->setItemDelegateForColumn(TRAFFIC, new SparkLineDelegate());
points = new QList<int>();
QTableWidgetItem *ti = new QTableWidgetItem();
ti->setData(Qt::UserRole, qVariantFromValue(points));
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, TRAFFIC, ti);
output = QString(device.display_name);
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, INTERFACE, new QTableWidgetItem(output));
linkname = NULL;
if(capture_dev_user_linktype_find(device.name) != -1) {
device.active_dlt = capture_dev_user_linktype_find(device.name);
}
for (list = device.links; list != NULL; list = g_list_next(list)) {
linkr = (link_row*)(list->data);
if (linkr->dlt == device.active_dlt) {
linkname = g_strdup(linkr->name);
break;
}
}
if (!linkname)
linkname = g_strdup("unknown");
pmode = capture_dev_user_pmode_find(device.name);
if (pmode != -1) {
device.pmode = pmode;
}
hassnap = capture_dev_user_hassnap_find(device.name);
snaplen = capture_dev_user_snaplen_find(device.name);
if(snaplen != -1 && hassnap != -1) {
/* Default snap lenght set in preferences */
device.snaplen = snaplen;
device.has_snaplen = hassnap;
} else {
/* No preferences set yet, use default values */
device.snaplen = WTAP_MAX_PACKET_SIZE;
device.has_snaplen = FALSE;
}
if (device.has_snaplen) {
snaplen_string = g_strdup_printf("%d", device.snaplen);
} else {
snaplen_string = g_strdup("default");
}
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
if (capture_dev_user_buffersize_find(device.name) != -1) {
buffer = capture_dev_user_buffersize_find(device.name);
device.buffer = buffer;
} else {
device.buffer = DEFAULT_CAPTURE_BUFFER_SIZE;
}
#endif
output = QString(linkname);
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, LINK, new QTableWidgetItem(output));
output = QString(device.pmode ? "true" : "false");
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, PMODE, new QTableWidgetItem(output));
output = QString(snaplen_string);
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, SNAPLEN, new QTableWidgetItem(output));
output = QString().sprintf("%d", device.buffer);
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, BUFFER, new QTableWidgetItem(output));
#if defined (HAVE_PCAP_CREATE)
output = QString(device.monitor_mode_enabled ? "true" : "false");
ui->tbInterfaces->setItem(ui->tbInterfaces->rowCount()-1, MONITOR, new QTableWidgetItem(output));
#endif
if (strstr(prefs.capture_device, device.name) != NULL) {
device.selected = TRUE;
global_capture_opts.num_selected++;
global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
g_array_insert_val(global_capture_opts.all_ifaces, i, device);
}
if (device.selected) {
ui->tbInterfaces->item(ui->tbInterfaces->rowCount()-1, 0)->setSelected(true);
}
}
}
free_interface_list(if_list);
resizeEvent(NULL);
if (!stat_timer_) {
updateStatistics();
stat_timer_ = new QTimer(this);
connect(stat_timer_, SIGNAL(timeout()), this, SLOT(updateStatistics()));
stat_timer_->start(stat_update_interval_);
}
}
InterfaceTree::InterfaceTree(QWidget *parent) :
QTreeWidget(parent)
{
GList *if_list;
QTreeWidgetItem *ti;
int err;
gchar *err_str = NULL;
header()->setVisible(false);
setRootIsDecorated(false);
setUniformRowHeights(true);
setColumnCount(2);
setAccessibleName(tr("Welcome screen list"));
stat_cache_ = NULL;
stat_timer_ = new QTimer(this);
connect(stat_timer_, SIGNAL(timeout()), this, SLOT(updateStatistics()));
setItemDelegateForColumn(1, new SparkLineDelegate());
if_list = capture_interface_list(&err, &err_str);
if_list = g_list_sort(if_list, if_list_comparator_alph);
if (if_list == NULL) {
setDisabled(true);
ti = new QTreeWidgetItem();
ti->setText(0, QString(tr("No interfaces found\n%1")).arg(QString().fromUtf8(err_str)));
g_free(err_str);
addTopLevelItem(ti);
return;
} else if (err_str) {
g_free(err_str);
}
// XXX Do we need to check for this? capture_interface_list returns an error if the length is 0.
if (g_list_length(if_list) > 0) {
if_info_t *if_info;
GList *curr;
setDisabled(false);
for (curr = g_list_first(if_list); curr; curr = g_list_next(curr)) {
QList<int> *points;
QVariant v;
if_info = (if_info_t *) curr->data;
/* Continue if capture device is hidden */
if (prefs_is_capture_device_hidden(if_info->name)) {
continue;
}
ti = new QTreeWidgetItem();
// XXX Using if_info->name is amazingly ugly under Windows but it's needed for
// statistics updates
// ti->setText(0, QString().fromUtf8(if_info->description ? if_info->description : if_info->name));
ti->setText(0, QString().fromUtf8(if_info->name));
points = new QList<int>();
v.setValue(points);
ti->setData(1, Qt::UserRole, v);
addTopLevelItem(ti);
resizeColumnToContents(1);
}
}
free_interface_list(if_list);
}
