void register_follow_stream(const int proto_id, const char* tap_listener,
follow_conv_filter_func conv_filter, follow_index_filter_func index_filter, follow_address_filter_func address_filter,
follow_port_to_display_func port_to_display, tap_packet_cb tap_handler)
{
register_follow_t *follower;
DISSECTOR_ASSERT(tap_listener);
DISSECTOR_ASSERT(conv_filter);
DISSECTOR_ASSERT(index_filter);
DISSECTOR_ASSERT(address_filter);
DISSECTOR_ASSERT(port_to_display);
DISSECTOR_ASSERT(tap_handler);
follower = wmem_new(wmem_epan_scope(), register_follow_t);
follower->proto_id = proto_id;
follower->tap_listen_str = tap_listener;
follower->conv_filter = conv_filter;
follower->index_filter = index_filter;
follower->address_filter = address_filter;
follower->port_to_display = port_to_display;
follower->tap_handler = tap_handler;
if (registered_followers == NULL)
registered_followers = wmem_tree_new(wmem_epan_scope());
wmem_tree_insert_string(registered_followers, proto_get_protocol_short_name(find_protocol_by_id(proto_id)), follower, 0);
}
void
xmpp_jingle_session_track(packet_info *pinfo, xmpp_element_t *packet, xmpp_conv_info_t *xmpp_info)
{
xmpp_element_t *jingle_packet;
GList *jingle_packet_l;
jingle_packet_l = xmpp_find_element_by_name(packet,"jingle");
jingle_packet = (xmpp_element_t *)(jingle_packet_l?jingle_packet_l->data:NULL);
if (jingle_packet && !pinfo->fd->flags.visited) {
xmpp_attr_t *attr_id;
xmpp_attr_t *attr_sid;
char *se_id;
char *se_sid;
attr_id = xmpp_get_attr(packet, "id");
if (!attr_id) {
return;
}
attr_sid = xmpp_get_attr(jingle_packet, "sid");
if (!attr_sid) {
return;
}
se_id = wmem_strdup(wmem_file_scope(), attr_id->value);
se_sid = wmem_strdup(wmem_file_scope(), attr_sid->value);
wmem_tree_insert_string(xmpp_info->jingle_sessions, se_id, (void*) se_sid, WMEM_TREE_STRING_NOCASE);
}
}
void register_stat_tap_table_ui(stat_tap_table_ui *ui)
{
if (registered_stat_tables == NULL)
registered_stat_tables = wmem_tree_new(wmem_epan_scope());
wmem_tree_insert_string(registered_stat_tables, ui->cli_string, ui, 0);
}
int
register_export_object(const int proto_id, tap_packet_cb export_packet_func, export_object_gui_reset_cb reset_cb)
{
register_eo_t *table;
DISSECTOR_ASSERT(export_packet_func);
table = wmem_new(wmem_epan_scope(), register_eo_t);
table->proto_id = proto_id;
table->tap_listen_str = wmem_strdup_printf(wmem_epan_scope(), "%s_eo", proto_get_protocol_filter_name(proto_id));
table->eo_func = export_packet_func;
table->reset_cb = reset_cb;
if (registered_eo_tables == NULL)
registered_eo_tables = wmem_tree_new(wmem_epan_scope());
wmem_tree_insert_string(registered_eo_tables, proto_get_protocol_filter_name(proto_id), table, 0);
return register_tap(table->tap_listen_str);
}
void
xmpp_ibb_session_track(packet_info *pinfo, xmpp_element_t *packet, xmpp_conv_info_t *xmpp_info)
{
xmpp_element_t *ibb_packet = NULL;
GList *ibb_packet_l;
if(strcmp(packet->name, "message") == 0)
{
ibb_packet_l = xmpp_find_element_by_name(packet,"data");
ibb_packet = (xmpp_element_t *)(ibb_packet_l?ibb_packet_l->data:NULL);
} else if(strcmp(packet->name, "iq") == 0)
{
ibb_packet_l = xmpp_find_element_by_name(packet,"open");
if(!ibb_packet_l)
ibb_packet_l = xmpp_find_element_by_name(packet,"close");
if(!ibb_packet_l)
ibb_packet_l = xmpp_find_element_by_name(packet,"data");
ibb_packet = (xmpp_element_t *)(ibb_packet_l?ibb_packet_l->data:NULL);
}
if (ibb_packet && !pinfo->fd->flags.visited) {
xmpp_attr_t *attr_id;
xmpp_attr_t *attr_sid;
char *se_id;
char *se_sid;
attr_id = xmpp_get_attr(packet, "id");
attr_sid = xmpp_get_attr(ibb_packet, "sid");
if(attr_id && attr_sid)
{
se_id = wmem_strdup(wmem_file_scope(), attr_id->value);
se_sid = wmem_strdup(wmem_file_scope(), attr_sid->value);
wmem_tree_insert_string(xmpp_info->ibb_sessions, se_id, (void*) se_sid, WMEM_TREE_STRING_NOCASE);
}
}
}
static rtpproxy_info_t *
rtpproxy_add_tid(gboolean is_request, tvbuff_t *tvb, packet_info *pinfo, proto_tree *rtpproxy_tree, rtpproxy_conv_info_t *rtpproxy_conv, gchar* cookie)
{
rtpproxy_info_t *rtpproxy_info;
proto_item *pi;
if (!PINFO_FD_VISITED(pinfo)) {
if (is_request) {
rtpproxy_info = wmem_new(wmem_file_scope(), rtpproxy_info_t);
rtpproxy_info->req_frame = PINFO_FD_NUM(pinfo);
rtpproxy_info->resp_frame = 0;
rtpproxy_info->req_time = pinfo->fd->abs_ts;
rtpproxy_info->callid = NULL;
wmem_tree_insert_string(rtpproxy_conv->trans, cookie, rtpproxy_info, 0);
} else {
rtpproxy_info = (rtpproxy_info_t *)wmem_tree_lookup_string(rtpproxy_conv->trans, cookie, 0);
if (rtpproxy_info) {
rtpproxy_info->resp_frame = PINFO_FD_NUM(pinfo);
}
}
} else {
rtpproxy_info = (rtpproxy_info_t *)wmem_tree_lookup_string(rtpproxy_conv->trans, cookie, 0);
if (rtpproxy_info && (is_request ? rtpproxy_info->resp_frame : rtpproxy_info->req_frame)) {
nstime_t ns;
pi = proto_tree_add_uint(rtpproxy_tree, is_request ? hf_rtpproxy_response_in : hf_rtpproxy_request_in, tvb, 0, 0, is_request ? rtpproxy_info->resp_frame : rtpproxy_info->req_frame);
PROTO_ITEM_SET_GENERATED(pi);
/* If reply then calculate response time */
if (!is_request) {
nstime_delta(&ns, &pinfo->fd->abs_ts, &rtpproxy_info->req_time);
pi = proto_tree_add_time(rtpproxy_tree, hf_rtpproxy_response_time, tvb, 0, 0, &ns);
PROTO_ITEM_SET_GENERATED(pi);
if (nstime_cmp(&rtpproxy_timeout_ns, &ns) < 0)
expert_add_info_format(pinfo, rtpproxy_tree, &ei_rtpproxy_timeout, "Response timeout %.3f seconds", nstime_to_sec(&ns));
}
}
}
/* Could be NULL so we should check it before dereferencing */
return rtpproxy_info;
}
void
xmpp_gtalk_session_track(packet_info *pinfo, xmpp_element_t *packet, xmpp_conv_info_t *xmpp_info)
{
xmpp_element_t *gtalk_packet;
GList *gtalk_packet_l;
gtalk_packet_l = xmpp_find_element_by_name(packet,"session");
gtalk_packet = (xmpp_element_t *)(gtalk_packet_l?gtalk_packet_l->data:NULL);
if (gtalk_packet && !pinfo->fd->flags.visited) {
xmpp_attr_t *attr_id;
xmpp_attr_t *attr_sid;
char *se_id;
char *se_sid;
xmpp_attr_t *xmlns = xmpp_get_attr(gtalk_packet, "xmlns");
if(xmlns && strcmp(xmlns->value,"http://www.google.com/session") != 0)
return;
attr_id = xmpp_get_attr(packet, "id");
if (!attr_id) {
return;
}
attr_sid = xmpp_get_attr(gtalk_packet, "id");
if (!attr_sid) {
return;
}
se_id = wmem_strdup(wmem_file_scope(), attr_id->value);
se_sid = wmem_strdup(wmem_file_scope(), attr_sid->value);
wmem_tree_insert_string(xmpp_info->gtalk_sessions, se_id, (void*) se_sid, WMEM_TREE_STRING_NOCASE);
}
}
void
xmpp_iq_reqresp_track(packet_info *pinfo, xmpp_element_t *packet, xmpp_conv_info_t *xmpp_info)
{
xmpp_transaction_t *xmpp_trans = NULL;
xmpp_attr_t *attr_id;
char *id;
attr_id = xmpp_get_attr(packet, "id");
if (!attr_id) {
return;
}
id = wmem_strdup(wmem_packet_scope(), attr_id->value);
if (!pinfo->fd->flags.visited) {
xmpp_trans = (xmpp_transaction_t *)wmem_tree_lookup_string(xmpp_info->req_resp, id, WMEM_TREE_STRING_NOCASE);
if (xmpp_trans) {
xmpp_trans->resp_frame = pinfo->fd->num;
} else {
char *se_id = wmem_strdup(wmem_file_scope(), id);
xmpp_trans = wmem_new(wmem_file_scope(), xmpp_transaction_t);
xmpp_trans->req_frame = pinfo->fd->num;
xmpp_trans->resp_frame = 0;
wmem_tree_insert_string(xmpp_info->req_resp, se_id, (void *) xmpp_trans, WMEM_TREE_STRING_NOCASE);
}
} else {
wmem_tree_lookup_string(xmpp_info->req_resp, id, WMEM_TREE_STRING_NOCASE);
}
}
void
register_seq_analysis(const char* name, const char* ui_name, const int proto_id, const char* tap_listener, guint tap_flags, tap_packet_cb tap_func)
{
register_analysis_t* analysis;
DISSECTOR_ASSERT(tap_func);
analysis = wmem_new0(wmem_epan_scope(), register_analysis_t);
analysis->name = name;
analysis->ui_name = ui_name;
analysis->proto_id = proto_id;
if (tap_listener != NULL)
analysis->tap_listen_str = tap_listener;
else
analysis->tap_listen_str = proto_get_protocol_filter_name(proto_id);
analysis->tap_flags = tap_flags;
analysis->analysis_func = tap_func;
if (registered_seq_analysis == NULL)
registered_seq_analysis = wmem_tree_new(wmem_epan_scope());
wmem_tree_insert_string(registered_seq_analysis, name, analysis, 0);
}
static void
wmem_test_tree(void)
{
wmem_allocator_t *allocator, *extra_allocator;
wmem_tree_t *tree;
guint32 i;
int seen_values = 0;
int j;
gchar *str_key;
#define WMEM_TREE_MAX_KEY_COUNT 8
#define WMEM_TREE_MAX_KEY_LEN 4
int key_count;
wmem_tree_key_t keys[WMEM_TREE_MAX_KEY_COUNT];
allocator = wmem_allocator_new(WMEM_ALLOCATOR_STRICT);
extra_allocator = wmem_allocator_new(WMEM_ALLOCATOR_STRICT);
tree = wmem_tree_new(allocator);
g_assert(tree);
g_assert(wmem_tree_is_empty(tree));
/* test basic 32-bit key operations */
for (i=0; i<CONTAINER_ITERS; i++) {
g_assert(wmem_tree_lookup32(tree, i) == NULL);
if (i > 0) {
g_assert(wmem_tree_lookup32_le(tree, i) == GINT_TO_POINTER(i-1));
}
wmem_tree_insert32(tree, i, GINT_TO_POINTER(i));
g_assert(wmem_tree_lookup32(tree, i) == GINT_TO_POINTER(i));
g_assert(!wmem_tree_is_empty(tree));
}
wmem_free_all(allocator);
tree = wmem_tree_new(allocator);
for (i=0; i<CONTAINER_ITERS; i++) {
guint32 rand_int = g_test_rand_int();
wmem_tree_insert32(tree, rand_int, GINT_TO_POINTER(i));
g_assert(wmem_tree_lookup32(tree, rand_int) == GINT_TO_POINTER(i));
}
wmem_free_all(allocator);
/* test auto-reset functionality */
tree = wmem_tree_new_autoreset(allocator, extra_allocator);
for (i=0; i<CONTAINER_ITERS; i++) {
g_assert(wmem_tree_lookup32(tree, i) == NULL);
wmem_tree_insert32(tree, i, GINT_TO_POINTER(i));
g_assert(wmem_tree_lookup32(tree, i) == GINT_TO_POINTER(i));
}
wmem_free_all(extra_allocator);
for (i=0; i<CONTAINER_ITERS; i++) {
g_assert(wmem_tree_lookup32(tree, i) == NULL);
g_assert(wmem_tree_lookup32_le(tree, i) == NULL);
}
wmem_free_all(allocator);
/* test array key functionality */
tree = wmem_tree_new(allocator);
key_count = g_random_int_range(1, WMEM_TREE_MAX_KEY_COUNT);
for (j=0; j<key_count; j++) {
keys[j].length = g_random_int_range(1, WMEM_TREE_MAX_KEY_LEN);
}
keys[key_count].length = 0;
for (i=0; i<CONTAINER_ITERS; i++) {
for (j=0; j<key_count; j++) {
keys[j].key = (guint32*)wmem_test_rand_string(allocator,
(keys[j].length*4), (keys[j].length*4)+1);
}
wmem_tree_insert32_array(tree, keys, GINT_TO_POINTER(i));
g_assert(wmem_tree_lookup32_array(tree, keys) == GINT_TO_POINTER(i));
}
wmem_free_all(allocator);
tree = wmem_tree_new(allocator);
keys[0].length = 1;
keys[0].key = wmem_new(allocator, guint32);
*(keys[0].key) = 0;
keys[1].length = 0;
for (i=0; i<CONTAINER_ITERS; i++) {
wmem_tree_insert32_array(tree, keys, GINT_TO_POINTER(i));
*(keys[0].key) += 4;
}
*(keys[0].key) = 0;
for (i=0; i<CONTAINER_ITERS; i++) {
g_assert(wmem_tree_lookup32_array(tree, keys) == GINT_TO_POINTER(i));
for (j=0; j<3; j++) {
(*(keys[0].key)) += 1;
g_assert(wmem_tree_lookup32_array_le(tree, keys) ==
GINT_TO_POINTER(i));
}
*(keys[0].key) += 1;
}
wmem_free_all(allocator);
/* test string key functionality */
tree = wmem_tree_new(allocator);
for (i=0; i<CONTAINER_ITERS; i++) {
str_key = wmem_test_rand_string(allocator, 1, 64);
wmem_tree_insert_string(tree, str_key, GINT_TO_POINTER(i), 0);
g_assert(wmem_tree_lookup_string(tree, str_key, 0) ==
GINT_TO_POINTER(i));
}
wmem_free_all(allocator);
tree = wmem_tree_new(allocator);
for (i=0; i<CONTAINER_ITERS; i++) {
str_key = wmem_test_rand_string(allocator, 1, 64);
wmem_tree_insert_string(tree, str_key, GINT_TO_POINTER(i),
WMEM_TREE_STRING_NOCASE);
g_assert(wmem_tree_lookup_string(tree, str_key,
WMEM_TREE_STRING_NOCASE) == GINT_TO_POINTER(i));
}
wmem_free_all(allocator);
/* test for-each functionality */
tree = wmem_tree_new(allocator);
expected_user_data = GINT_TO_POINTER(g_test_rand_int());
for (i=0; i<CONTAINER_ITERS; i++) {
gint tmp;
do {
tmp = g_test_rand_int();
} while (wmem_tree_lookup32(tree, tmp));
value_seen[i] = FALSE;
wmem_tree_insert32(tree, tmp, GINT_TO_POINTER(i));
}
cb_called_count = 0;
cb_continue_count = CONTAINER_ITERS;
wmem_tree_foreach(tree, wmem_test_foreach_cb, expected_user_data);
g_assert(cb_called_count == CONTAINER_ITERS);
g_assert(cb_continue_count == 0);
for (i=0; i<CONTAINER_ITERS; i++) {
g_assert(value_seen[i]);
value_seen[i] = FALSE;
}
cb_called_count = 0;
cb_continue_count = 10;
wmem_tree_foreach(tree, wmem_test_foreach_cb, expected_user_data);
g_assert(cb_called_count == 10);
g_assert(cb_continue_count == 0);
for (i=0; i<CONTAINER_ITERS; i++) {
if (value_seen[i]) {
seen_values++;
}
}
g_assert(seen_values == 10);
wmem_destroy_allocator(extra_allocator);
wmem_destroy_allocator(allocator);
}