/* build the string to display in the combo box for the given interface */
char *
build_capture_combo_name(GList *if_list, gchar *if_name)
{
gchar *descr;
char *if_string;
if_info_t *if_info;
/* Do we have a user-supplied description? */
descr = capture_dev_user_descr_find(if_name);
if (descr != NULL) {
/* Yes, we have a user-supplied description; use it. */
if_string = g_strdup_printf("%s: %s", descr, if_name);
g_free(descr);
} else {
/* No, we don't have a user-supplied description; did we get
one from the OS or libpcap? */
if_info = search_info(if_list, if_name);
if (if_info != NULL && if_info->vendor_description != NULL) {
/* Yes - use it. */
if_string = g_strdup_printf("%s: %s", if_info->vendor_description,
if_info->name);
} else {
/* No. */
if_string = g_strdup(if_name);
}
}
return if_string;
}
/*
* 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;
}
GList *
build_capture_combo_list(GList *if_list, gboolean do_hide)
{
GList *combo_list;
GList *if_entry;
if_info_t *if_info;
char *if_string;
gchar *descr;
combo_list = NULL;
if (if_list != NULL) {
/* Scan through the list and build a list of strings to display. */
for (if_entry = if_list; if_entry != NULL;
if_entry = g_list_next(if_entry)) {
if_info = (if_info_t *)if_entry->data;
/* Is this interface hidden and, if so, should we include it
anyway? */
if (!prefs_is_capture_device_hidden(if_info->name) || !do_hide) {
/* It's not hidden, or it is but we should include it in the list. */
/* 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->vendor_description != NULL) {
/* Yes - 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);
}
}
combo_list = g_list_append(combo_list, if_string);
}
}/*for*/
}
return combo_list;
}
void
update_local_interfaces(void)
{
interface_t device;
gchar *descr;
guint i;
for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
device.type = capture_dev_user_linktype_find(device.name);
g_free (device.display_name);
descr = capture_dev_user_descr_find(device.name);
device.display_name = get_iface_display_name(descr, &device.if_info);
g_free (descr);
device.hidden = prefs_is_capture_device_hidden(device.name);
fill_from_ifaces(&device);
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);
}
}
void ManageInterfacesDialog::showLocalInterfaces()
{
guint i;
interface_t device;
gchar *pr_descr = g_strdup("");
char *comment = NULL;
ui->localList->clear();
for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (device.local && device.type != IF_PIPE && device.type != IF_STDIN) {
QTreeWidgetItem *item = new QTreeWidgetItem(ui->localList);
item->setFlags(item->flags() | Qt::ItemIsEditable);
if (prefs.capture_device && strstr(prefs.capture_device, device.name)) {
// Force the default device to be checked.
item->setFlags(item->flags() ^ Qt::ItemIsUserCheckable);
item->setCheckState(col_l_show_, Qt::Checked);
} else {
item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
item->setCheckState(col_l_show_, device.hidden ? Qt::Unchecked : Qt::Checked);
}
#ifdef _WIN32
item->setText(col_l_friendly_name_, device.friendly_name);
#endif
item->setText(col_l_local_name_, device.name);
comment = capture_dev_user_descr_find(device.name);
if (comment) {
item->setText(col_l_comment_, comment);
g_free(comment);
} else if (device.if_info.vendor_description) {
item->setText(col_l_comment_, device.if_info.vendor_description);
}
} else {
continue;
}
}
g_free(pr_descr);
}
/*
* 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 ManageInterfacesDialog::addRemoteInterfaces(GList* rlist, remote_options *roptions)
{
GList *if_entry, *lt_entry;
if_info_t *if_info;
char *if_string = NULL;
gchar *descr, *str = NULL, *link_type_name = NULL, *auth_str;
if_capabilities_t *caps;
gint linktype_count;
bool monitor_mode, found = false;
GSList *curr_addr;
int ips = 0;
guint i;
if_addr_t *addr;
data_link_info_t *data_link_info;
GString *ip_str;
link_row *linkr = NULL;
interface_t device;
guint num_interfaces = global_capture_opts.all_ifaces->len;
for (if_entry = g_list_first(rlist); if_entry != NULL; if_entry = g_list_next(if_entry)) {
auth_str = NULL;
if_info = (if_info_t *)if_entry->data;
for (i = 0; i < num_interfaces; i++) {
device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
if (device.hidden)
continue;
if (strcmp(device.name, if_info->name) == 0) {
found = TRUE;
break;
}
}
if (found) {
found = FALSE;
continue;
}
ip_str = g_string_new("");
str = "";
ips = 0;
device.name = g_strdup(if_info->name);
/* Is this interface hidden and, if so, should we include it
anyway? */
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->vendor_description != NULL) {
/* Yes - 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);
}
} /* else descr != NULL */
if (if_info->loopback) {
device.display_name = g_strdup_printf("%s (loopback)", if_string);
} else {
device.display_name = g_strdup(if_string);
}
#ifdef CAN_SET_CAPTURE_BUFFER_SIZE
if ((device.buffer = capture_dev_user_buffersize_find(if_string)) == -1) {
device.buffer = global_capture_opts.default_options.buffer_size;
}
#endif
if (!capture_dev_user_pmode_find(if_string, &device.pmode)) {
device.pmode = global_capture_opts.default_options.promisc_mode;
}
if (!capture_dev_user_snaplen_find(if_string, &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);
monitor_mode = prefs_capture_device_monitor_mode(if_string);
#ifdef HAVE_PCAP_REMOTE
if (roptions->remote_host_opts.auth_type == CAPTURE_AUTH_PWD) {
auth_str = g_strdup_printf("%s:%s", roptions->remote_host_opts.auth_username,
roptions->remote_host_opts.auth_password);
}
#endif
caps = capture_get_if_capabilities(if_string, monitor_mode, auth_str, NULL, main_window_update);
g_free(auth_str);
for (; (curr_addr = g_slist_nth(if_info->addrs, ips)) != NULL; ips++) {
address addr_str;
char* temp_addr_str = NULL;
if (ips != 0) {
g_string_append(ip_str, "\n");
}
addr = (if_addr_t *)curr_addr->data;
switch (addr->ifat_type) {
case IF_AT_IPv4:
SET_ADDRESS(&addr_str, AT_IPv4, 4, &addr->addr.ip4_addr);
temp_addr_str = (char*)address_to_str(NULL, &addr_str);
g_string_append(ip_str, temp_addr_str);
break;
case IF_AT_IPv6:
SET_ADDRESS(&addr_str, AT_IPv6, 16, addr->addr.ip6_addr);
temp_addr_str = (char*)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);
} /* for curr_addr */
linktype_count = 0;
device.links = NULL;
if (caps != NULL) {
#ifdef 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;
linkr = (link_row *)g_malloc(sizeof(link_row));
/*
* For link-layer types libpcap/WinPcap doesn't know about, the
* name will be "DLT n", and the description will be null.
* We mark those as unsupported, and don't allow them to be
* used.
*/
if (data_link_info->description != NULL) {
str = g_strdup_printf("%s", data_link_info->description);
linkr->dlt = data_link_info->dlt;
} else {
str = g_strdup_printf("%s (not supported)", data_link_info->name);
linkr->dlt = -1;
}
if (linktype_count == 0) {
link_type_name = g_strdup(str);
device.active_dlt = data_link_info->dlt;
}
linkr->name = g_strdup(str);
g_free(str);
device.links = g_list_append(device.links, linkr);
linktype_count++;
} /* for link_types */
} else {
#if defined(HAVE_PCAP_CREATE)
device.monitor_mode_enabled = FALSE;
device.monitor_mode_supported = FALSE;
#endif
device.active_dlt = -1;
link_type_name = g_strdup("default");
}
device.addresses = g_strdup(ip_str->str);
device.no_addresses = ips;
device.remote_opts.src_type= roptions->src_type;
if (device.remote_opts.src_type == CAPTURE_IFREMOTE) {
device.local = FALSE;
}
device.remote_opts.remote_host_opts.remote_host = g_strdup(roptions->remote_host_opts.remote_host);
device.remote_opts.remote_host_opts.remote_port = g_strdup(roptions->remote_host_opts.remote_port);
device.remote_opts.remote_host_opts.auth_type = roptions->remote_host_opts.auth_type;
device.remote_opts.remote_host_opts.auth_username = g_strdup(roptions->remote_host_opts.auth_username);
device.remote_opts.remote_host_opts.auth_password = g_strdup(roptions->remote_host_opts.auth_password);
device.remote_opts.remote_host_opts.datatx_udp = roptions->remote_host_opts.datatx_udp;
device.remote_opts.remote_host_opts.nocap_rpcap = roptions->remote_host_opts.nocap_rpcap;
device.remote_opts.remote_host_opts.nocap_local = roptions->remote_host_opts.nocap_local;
#ifdef HAVE_PCAP_SETSAMPLING
device.remote_opts.sampling_method = roptions->sampling_method;
device.remote_opts.sampling_param = roptions->sampling_param;
#endif
device.selected = TRUE;
global_capture_opts.num_selected++;
g_array_append_val(global_capture_opts.all_ifaces, device);
g_string_free(ip_str, TRUE);
} /*for*/
showRemoteInterfaces();
}
/*
* 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++;
}
}
}
