* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
-#include <stdio.h>
-
#include <string.h>
#include <glib.h>
#include "packet.h"
int _debug_conversation_indent = 0;
#endif
+struct endpoint {
+ address addr1;
+ address addr2;
+ endpoint_type etype;
+ guint32 port1;
+ guint32 port2;
+ guint options;
+};
+
+struct conversation_key {
+ struct conversation_key *next;
+ address addr1;
+ address addr2;
+ endpoint_type etype;
+ guint32 port1;
+ guint32 port2;
+};
+
/*
* Hash table for conversations with no wildcards.
*/
-static GHashTable *conversation_hashtable_exact = NULL;
+static wmem_map_t *conversation_hashtable_exact = NULL;
/*
* Hash table for conversations with one wildcard address.
*/
-static GHashTable *conversation_hashtable_no_addr2 = NULL;
+static wmem_map_t *conversation_hashtable_no_addr2 = NULL;
/*
* Hash table for conversations with one wildcard port.
*/
-static GHashTable *conversation_hashtable_no_port2 = NULL;
+static wmem_map_t *conversation_hashtable_no_port2 = NULL;
/*
* Hash table for conversations with one wildcard address and port.
*/
-static GHashTable *conversation_hashtable_no_addr2_or_port2 = NULL;
+static wmem_map_t *conversation_hashtable_no_addr2_or_port2 = NULL;
-#ifdef __NOT_USED__
-typedef struct conversation_key {
- struct conversation_key *next;
- address addr1;
- address addr2;
- port_type ptype;
- guint32 port1;
- guint32 port2;
-} conversation_key;
-#endif
-/*
- * Linked list of conversation keys, so we can, before freeing them all,
- * free the address data allocations associated with them.
- */
-static conversation_key *conversation_keys;
-
static guint32 new_index;
/*
- * Protocol-specific data attached to a conversation_t structure - protocol
- * index and opaque pointer.
+ * Placeholder for address-less conversations.
*/
-typedef struct _conv_proto_data {
- int proto;
- void *proto_data;
-} conv_proto_data;
+static address null_address_ = ADDRESS_INIT_NONE;
+
/*
* Creates a new conversation with known endpoints based on a conversation
* Add a new conversation and keep the conversation template only if the
* CONVERSATION_TEMPLATE bit is set for a connection oriented protocol.
*/
- if(conversation->options & CONVERSATION_TEMPLATE &&
- conversation->key_ptr->ptype != PT_UDP)
+ if (conversation->options & CONVERSATION_TEMPLATE &&
+ conversation->key_ptr->etype != ENDPOINT_UDP)
{
/*
* Set up a new options mask where the conversation template bit and the
/*
* Are both the NO_ADDR2 and NO_PORT2 wildcards set in the options mask?
*/
- if(conversation->options & NO_ADDR2 &&
- conversation->options & NO_PORT2)
+ if (conversation->options & NO_ADDR2 &&
+ conversation->options & NO_PORT2)
{
/*
* The conversation template was created without knowledge of both
new_conversation_from_template =
conversation_new(conversation->setup_frame,
&conversation->key_ptr->addr1, addr2,
- conversation->key_ptr->ptype, conversation->key_ptr->port1,
+ conversation->key_ptr->etype, conversation->key_ptr->port1,
port2, options);
}
- else if(conversation->options & NO_PORT2)
+ else if (conversation->options & NO_PORT2)
{
/*
* The conversation template was created without knowledge of port 2
new_conversation_from_template =
conversation_new(conversation->setup_frame,
&conversation->key_ptr->addr1, &conversation->key_ptr->addr2,
- conversation->key_ptr->ptype, conversation->key_ptr->port1,
+ conversation->key_ptr->etype, conversation->key_ptr->port1,
port2, options);
}
- else if(conversation->options & NO_ADDR2)
+ else if (conversation->options & NO_ADDR2)
{
/*
* The conversation template was created without knowledge of address
new_conversation_from_template =
conversation_new(conversation->setup_frame,
&conversation->key_ptr->addr1, addr2,
- conversation->key_ptr->ptype, conversation->key_ptr->port1,
+ conversation->key_ptr->etype, conversation->key_ptr->port1,
conversation->key_ptr->port2, options);
}
else
* Set the protocol dissector used for the template conversation as
* the handler of the new conversation as well.
*/
- new_conversation_from_template->dissector_handle = conversation->dissector_handle;
+ new_conversation_from_template->dissector_tree = conversation->dissector_tree;
return new_conversation_from_template;
}
/* http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx#existing
* One-at-a-Time hash
*/
-static guint
+guint
conversation_hash_exact(gconstpointer v)
{
- const conversation_key *key = (const conversation_key *)v;
+ const conversation_key_t key = (const conversation_key_t)v;
guint hash_val;
address tmp_addr;
hash_val = 0;
tmp_addr.len = 4;
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr1);
+ hash_val = add_address_to_hash(hash_val, &key->addr1);
tmp_addr.data = &key->port1;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr2);
+ hash_val = add_address_to_hash(hash_val, &key->addr2);
tmp_addr.data = &key->port2;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
hash_val += ( hash_val << 3 );
hash_val ^= ( hash_val >> 11 );
static gint
conversation_match_exact(gconstpointer v, gconstpointer w)
{
- const conversation_key *v1 = (const conversation_key *)v;
- const conversation_key *v2 = (const conversation_key *)w;
+ const conversation_key_t v1 = (const conversation_key_t)v;
+ const conversation_key_t v2 = (const conversation_key_t)w;
- if (v1->ptype != v2->ptype)
+ if (v1->etype != v2->etype)
return 0; /* different types of port */
/*
static guint
conversation_hash_no_addr2(gconstpointer v)
{
- const conversation_key *key = (const conversation_key *)v;
+ const conversation_key_t key = (const conversation_key_t)v;
guint hash_val;
address tmp_addr;
hash_val = 0;
tmp_addr.len = 4;
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr1);
+ hash_val = add_address_to_hash(hash_val, &key->addr1);
tmp_addr.data = &key->port1;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
tmp_addr.data = &key->port2;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
hash_val += ( hash_val << 3 );
hash_val ^= ( hash_val >> 11 );
static gint
conversation_match_no_addr2(gconstpointer v, gconstpointer w)
{
- const conversation_key *v1 = (const conversation_key *)v;
- const conversation_key *v2 = (const conversation_key *)w;
+ const conversation_key_t v1 = (const conversation_key_t)v;
+ const conversation_key_t v2 = (const conversation_key_t)w;
- if (v1->ptype != v2->ptype)
+ if (v1->etype != v2->etype)
return 0; /* different types of port */
/*
static guint
conversation_hash_no_port2(gconstpointer v)
{
- const conversation_key *key = (const conversation_key *)v;
+ const conversation_key_t key = (const conversation_key_t)v;
guint hash_val;
address tmp_addr;
hash_val = 0;
tmp_addr.len = 4;
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr1);
+ hash_val = add_address_to_hash(hash_val, &key->addr1);
tmp_addr.data = &key->port1;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr2);
+ hash_val = add_address_to_hash(hash_val, &key->addr2);
hash_val += ( hash_val << 3 );
hash_val ^= ( hash_val >> 11 );
static gint
conversation_match_no_port2(gconstpointer v, gconstpointer w)
{
- const conversation_key *v1 = (const conversation_key *)v;
- const conversation_key *v2 = (const conversation_key *)w;
+ const conversation_key_t v1 = (const conversation_key_t)v;
+ const conversation_key_t v2 = (const conversation_key_t)w;
- if (v1->ptype != v2->ptype)
+ if (v1->etype != v2->etype)
return 0; /* different types of port */
/*
static guint
conversation_hash_no_addr2_or_port2(gconstpointer v)
{
- const conversation_key *key = (const conversation_key *)v;
+ const conversation_key_t key = (const conversation_key_t)v;
guint hash_val;
address tmp_addr;
hash_val = 0;
tmp_addr.len = 4;
- ADD_ADDRESS_TO_HASH(hash_val, &key->addr1);
+ hash_val = add_address_to_hash(hash_val, &key->addr1);
tmp_addr.data = &key->port1;
- ADD_ADDRESS_TO_HASH(hash_val, &tmp_addr);
+ hash_val = add_address_to_hash(hash_val, &tmp_addr);
hash_val += ( hash_val << 3 );
hash_val ^= ( hash_val >> 11 );
static gint
conversation_match_no_addr2_or_port2(gconstpointer v, gconstpointer w)
{
- const conversation_key *v1 = (const conversation_key *)v;
- const conversation_key *v2 = (const conversation_key *)w;
+ const conversation_key_t v1 = (const conversation_key_t)v;
+ const conversation_key_t v2 = (const conversation_key_t)w;
- if (v1->ptype != v2->ptype)
+ if (v1->etype != v2->etype)
return 0; /* different types of port */
/*
return 0;
}
-/*
- * Free the proto_data. The conversation itself is wmem-allocated with
- * file scope.
- */
-static void
-free_data_list(gpointer value)
-{
- conversation_t *conv = (conversation_t *)value;
-
- /* TODO: file scoped wmem_list? There's no singly-linked wmem_ list */
- g_slist_free(conv->data_list);
-
- /* Not really necessary, but... */
- conv->data_list = NULL;
-
-}
-
-/*
- * Destroy all existing conversations
- */
-void
-conversation_cleanup(void)
-{
- /* Clean up the hash tables, but only after freeing any proto_data
- * that may be hanging off the conversations.
- * The conversation keys are wmem-allocated with file scope so we
- * don't have to clean them up.
- */
- conversation_keys = NULL;
- if (conversation_hashtable_exact != NULL) {
- g_hash_table_destroy(conversation_hashtable_exact);
- }
- if (conversation_hashtable_no_addr2 != NULL) {
- g_hash_table_destroy(conversation_hashtable_no_addr2);
- }
- if (conversation_hashtable_no_port2 != NULL) {
- g_hash_table_destroy(conversation_hashtable_no_port2);
- }
- if (conversation_hashtable_no_addr2_or_port2 != NULL) {
- g_hash_table_destroy(conversation_hashtable_no_addr2_or_port2);
- }
-
- conversation_hashtable_exact = NULL;
- conversation_hashtable_no_addr2 = NULL;
- conversation_hashtable_no_port2 = NULL;
- conversation_hashtable_no_addr2_or_port2 = NULL;
-}
-
-/*
- * Initialize some variables every time a file is loaded or re-loaded.
- * Create a new hash table for the conversations in the new file.
+/**
+ * Create a new hash tables for conversations.
*/
void
conversation_init(void)
* above.
*/
conversation_hashtable_exact =
- g_hash_table_new_full(conversation_hash_exact,
- conversation_match_exact, NULL, free_data_list);
+ wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), conversation_hash_exact,
+ conversation_match_exact);
conversation_hashtable_no_addr2 =
- g_hash_table_new_full(conversation_hash_no_addr2,
- conversation_match_no_addr2, NULL, free_data_list);
+ wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), conversation_hash_no_addr2,
+ conversation_match_no_addr2);
conversation_hashtable_no_port2 =
- g_hash_table_new_full(conversation_hash_no_port2,
- conversation_match_no_port2, NULL, free_data_list);
+ wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), conversation_hash_no_port2,
+ conversation_match_no_port2);
conversation_hashtable_no_addr2_or_port2 =
- g_hash_table_new_full(conversation_hash_no_addr2_or_port2,
- conversation_match_no_addr2_or_port2, NULL, free_data_list);
+ wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), conversation_hash_no_addr2_or_port2,
+ conversation_match_no_addr2_or_port2);
+
+}
+/**
+ * Initialize some variables every time a file is loaded or re-loaded.
+ */
+void conversation_epan_reset(void)
+{
/*
* Start the conversation indices over at 0.
*/
* Mostly adapted from the old conversation_new().
*/
static void
-conversation_insert_into_hashtable(GHashTable *hashtable, conversation_t *conv)
+conversation_insert_into_hashtable(wmem_map_t *hashtable, conversation_t *conv)
{
conversation_t *chain_head, *chain_tail, *cur, *prev;
- chain_head = (conversation_t *)g_hash_table_lookup(hashtable, conv->key_ptr);
+ chain_head = (conversation_t *)wmem_map_lookup(hashtable, conv->key_ptr);
if (NULL==chain_head) {
/* New entry */
conv->next = NULL;
conv->last = conv;
- g_hash_table_insert(hashtable, conv->key_ptr, conv);
+ wmem_map_insert(hashtable, conv->key_ptr, conv);
DPRINT(("created a new conversation chain"));
}
else {
chain_tail = chain_head->last;
- if(conv->setup_frame >= chain_tail->setup_frame) {
+ if (conv->setup_frame >= chain_tail->setup_frame) {
/* This convo belongs at the end of the chain */
conv->next = NULL;
conv->last = NULL;
conv->next = chain_head;
conv->last = chain_tail;
chain_head->last = NULL;
- g_hash_table_insert(hashtable, conv->key_ptr, conv);
+ wmem_map_insert(hashtable, conv->key_ptr, conv);
}
else {
/* Inserting into the middle of the chain */
* taking into account ordering and hash chains and all that good stuff.
*/
static void
-conversation_remove_from_hashtable(GHashTable *hashtable, conversation_t *conv)
+conversation_remove_from_hashtable(wmem_map_t *hashtable, conversation_t *conv)
{
conversation_t *chain_head, *cur, *prev;
- chain_head = (conversation_t *)g_hash_table_lookup(hashtable, conv->key_ptr);
+ chain_head = (conversation_t *)wmem_map_lookup(hashtable, conv->key_ptr);
if (conv == chain_head) {
/* We are currently the front of the chain */
if (NULL == conv->next) {
/* We are the only conversation in the chain, no need to
* update next pointer, but do not call
- * g_hash_table_remove() either because the conv data
- * will be re-inserted. The memory is released when
- * conversion_cleanup() is called. */
- g_hash_table_steal(hashtable, conv->key_ptr);
+ * wmem_map_remove() either because the conv data
+ * will be re-inserted. */
+ wmem_map_steal(hashtable, conv->key_ptr);
}
else {
/* Update the head of the chain */
else
chain_head->latest_found = conv->latest_found;
- g_hash_table_insert(hashtable, chain_head->key_ptr, chain_head);
+ wmem_map_insert(hashtable, chain_head->key_ptr, chain_head);
}
}
else {
* when searching for this conversation.
*/
conversation_t *
-conversation_new(const guint32 setup_frame, const address *addr1, const address *addr2, const port_type ptype,
- const guint32 port1, const guint32 port2, const guint options)
+conversation_new(const guint32 setup_frame, const address *addr1, const address *addr2,
+ const endpoint_type etype, const guint32 port1, const guint32 port2, const guint options)
{
/*
DISSECTOR_ASSERT(!(options | CONVERSATION_TEMPLATE) || ((options | (NO_ADDR2 | NO_PORT2 | NO_PORT2_FORCE))) &&
"A conversation template may not be constructed without wildcard options");
*/
- GHashTable* hashtable;
+ wmem_map_t* hashtable;
conversation_t *conversation=NULL;
- conversation_key *new_key;
+ conversation_key_t new_key;
- DPRINT(("creating conversation for frame #%d: %s:%d -> %s:%d (ptype=%d)",
- setup_frame, address_to_str(wmem_packet_scope(), addr1), port1,
- address_to_str(wmem_packet_scope(), addr2), port2, ptype));
+#ifdef DEBUG_CONVERSATION
+ if (addr1 == NULL) {
+ /*
+ * No address 1.
+ */
+ if (options & NO_ADDR2) {
+ /*
+ * Neither address 1 nor address 2.
+ */
+ if (options & NO_PORT2) {
+ /*
+ * Port 1 but not port 2.
+ */
+ DPRINT(("creating conversation for frame #%u: ID %u (etype=%d)",
+ setup_frame, port1, etype));
+ } else {
+ /*
+ * Ports 1 and 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %u -> %u (etype=%d)",
+ setup_frame, port1, port2, etype));
+ }
+ } else {
+ /*
+ * Address 2 but not address 1.
+ */
+ if (options & NO_PORT2) {
+ /*
+ * Port 1 but not port 2.
+ */
+ DPRINT(("creating conversation for frame #%u: ID %u, address %s (etype=%d)",
+ setup_frame, port1,
+ address_to_str(wmem_packet_scope(), addr2), etype));
+ } else {
+ /*
+ * Ports 1 and 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %u -> %s:%u (etype=%d)",
+ setup_frame, port1,
+ address_to_str(wmem_packet_scope(), addr2), port2, etype));
+ }
+ }
+ } else {
+ /*
+ * Address 1.
+ */
+ if (options & NO_ADDR2) {
+ /*
+ * Address 1 but no address 2.
+ */
+ if (options & NO_PORT2) {
+ /*
+ * Port 1 but not port 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %s:%u (etype=%d)",
+ setup_frame, address_to_str(wmem_packet_scope(), addr1), port1,
+ etype));
+ } else {
+ /*
+ * Ports 1 and 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %s:%u -> %u (etype=%d)",
+ setup_frame, address_to_str(wmem_packet_scope(), addr1), port1,
+ port2, etype));
+ }
+ } else {
+ /*
+ * Addresses 1 and 2.
+ */
+ if (options & NO_PORT2) {
+ /*
+ * Port 1 but not port 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %s:%u -> %s (etype=%d)",
+ setup_frame, address_to_str(wmem_packet_scope(), addr1), port1,
+ address_to_str(wmem_packet_scope(), addr2), etype));
+ } else {
+ /*
+ * Ports 1 and 2.
+ */
+ DPRINT(("creating conversation for frame #%u: %s:%u -> %s:%u (etype=%d)",
+ setup_frame, address_to_str(wmem_packet_scope(), addr1), port1,
+ address_to_str(wmem_packet_scope(), addr2), port2, etype));
+ }
+ }
+ }
+#endif
if (options & NO_ADDR2) {
if (options & (NO_PORT2|NO_PORT2_FORCE)) {
}
new_key = wmem_new(wmem_file_scope(), struct conversation_key);
- new_key->next = conversation_keys;
- conversation_keys = new_key;
- WMEM_COPY_ADDRESS(wmem_file_scope(), &new_key->addr1, addr1);
- WMEM_COPY_ADDRESS(wmem_file_scope(), &new_key->addr2, addr2);
- new_key->ptype = ptype;
+ if (addr1 != NULL) {
+ copy_address_wmem(wmem_file_scope(), &new_key->addr1, addr1);
+ } else {
+ clear_address(&new_key->addr1);
+ }
+ if (addr2 != NULL) {
+ copy_address_wmem(wmem_file_scope(), &new_key->addr2, addr2);
+ } else {
+ clear_address(&new_key->addr2);
+ }
+ new_key->etype = etype;
new_key->port1 = port1;
new_key->port2 = port2;
conversation = wmem_new(wmem_file_scope(), conversation_t);
memset(conversation, 0, sizeof(conversation_t));
- conversation->index = new_index;
+ conversation->conv_index = new_index;
conversation->setup_frame = conversation->last_frame = setup_frame;
conversation->data_list = NULL;
- /* clear dissector handle */
- conversation->dissector_handle = NULL;
+ conversation->dissector_tree = wmem_tree_new(wmem_file_scope());
/* set the options and key pointer */
conversation->options = options;
return conversation;
}
+conversation_t *conversation_new_by_id(const guint32 setup_frame, const endpoint_type etype, const guint32 id, const guint options)
+{
+ /* Force the lack of an address or port 2 */
+ return conversation_new(setup_frame, NULL, NULL, etype, id, 0, options | NO_ADDR2 | NO_PORT2);
+}
+
/*
* Set the port 2 value in a key. Remove the original from table,
* update the options and port values, insert the updated key.
void
conversation_set_port2(conversation_t *conv, const guint32 port)
{
- DISSECTOR_ASSERT_HINT(!(conv->options & CONVERSATION_TEMPLATE),
- "Use the conversation_create_from_template function when the CONVERSATION_TEMPLATE bit is set in the options mask");
+ DISSECTOR_ASSERT_HINT(!(conv->options & CONVERSATION_TEMPLATE),
+ "Use the conversation_create_from_template function when the CONVERSATION_TEMPLATE bit is set in the options mask");
DPRINT(("called for port=%d", port));
conversation_remove_from_hashtable(conversation_hashtable_no_port2, conv);
}
conv->options &= ~NO_ADDR2;
- WMEM_COPY_ADDRESS(wmem_file_scope(), &conv->key_ptr->addr2, addr);
+ copy_address_wmem(wmem_file_scope(), &conv->key_ptr->addr2, addr);
if (conv->options & NO_PORT2) {
conversation_insert_into_hashtable(conversation_hashtable_no_port2, conv);
} else {
* {addr1, port1, addr2, port2} and set up before frame_num.
*/
static conversation_t *
-conversation_lookup_hashtable(GHashTable *hashtable, const guint32 frame_num, const address *addr1, const address *addr2,
- const port_type ptype, const guint32 port1, const guint32 port2)
+conversation_lookup_hashtable(wmem_map_t *hashtable, const guint32 frame_num, const address *addr1, const address *addr2,
+ const endpoint_type etype, const guint32 port1, const guint32 port2)
{
conversation_t* convo=NULL;
conversation_t* match=NULL;
conversation_t* chain_head=NULL;
- conversation_key key;
+ struct conversation_key key;
/*
* We don't make a copy of the address data, we just copy the
* pointer to it, as "key" disappears when we return.
*/
- key.addr1 = *addr1;
- key.addr2 = *addr2;
- key.ptype = ptype;
+ if (addr1 != NULL) {
+ key.addr1 = *addr1;
+ } else {
+ clear_address(&key.addr1);
+ }
+ if (addr2 != NULL) {
+ key.addr2 = *addr2;
+ } else {
+ clear_address(&key.addr2);
+ }
+ key.etype = etype;
key.port1 = port1;
key.port2 = port2;
- chain_head = (conversation_t *)g_hash_table_lookup(hashtable, &key);
+ chain_head = (conversation_t *)wmem_map_lookup(hashtable, &key);
if (chain_head && (chain_head->setup_frame <= frame_num)) {
match = chain_head;
- if((chain_head->last)&&(chain_head->last->setup_frame<=frame_num))
+ if ((chain_head->last)&&(chain_head->last->setup_frame<=frame_num))
return chain_head->last;
- if((chain_head->latest_found)&&(chain_head->latest_found->setup_frame<=frame_num))
+ if ((chain_head->latest_found)&&(chain_head->latest_found->setup_frame<=frame_num))
match = chain_head->latest_found;
for (convo = match; convo && convo->setup_frame <= frame_num; convo = convo->next) {
* otherwise, we found no matching conversation, and return NULL.
*/
conversation_t *
-find_conversation(const guint32 frame_num, const address *addr_a, const address *addr_b, const port_type ptype,
+find_conversation(const guint32 frame_num, const address *addr_a, const address *addr_b, const endpoint_type etype,
const guint32 port_a, const guint32 port_b, const guint options)
{
conversation_t *conversation;
* Neither search address B nor search port B are wildcarded,
* start out with an exact match.
*/
- DPRINT(("trying exact match"));
+ DPRINT(("trying exact match: %s:%d -> %s:%d",
+ address_to_str(wmem_packet_scope(), addr_a), port_a,
+ address_to_str(wmem_packet_scope(), addr_b), port_b));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_exact,
- frame_num, addr_a, addr_b, ptype,
+ conversation_lookup_hashtable(conversation_hashtable_exact,
+ frame_num, addr_a, addr_b, etype,
port_a, port_b);
/* Didn't work, try the other direction */
if (conversation == NULL) {
- DPRINT(("trying opposite direction"));
+ DPRINT(("trying exact match: %s:%d -> %s:%d",
+ address_to_str(wmem_packet_scope(), addr_b), port_b,
+ address_to_str(wmem_packet_scope(), addr_a), port_a));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_exact,
- frame_num, addr_b, addr_a, ptype,
+ conversation_lookup_hashtable(conversation_hashtable_exact,
+ frame_num, addr_b, addr_a, etype,
port_b, port_a);
}
if ((conversation == NULL) && (addr_a->type == AT_FC)) {
/* In Fibre channel, OXID & RXID are never swapped as
* TCP/UDP ports are in TCP/IP.
*/
+ DPRINT(("trying exact match: %s:%d -> %s:%d",
+ address_to_str(wmem_packet_scope(), addr_b), port_a,
+ address_to_str(wmem_packet_scope(), addr_a), port_b));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_exact,
- frame_num, addr_b, addr_a, ptype,
+ conversation_lookup_hashtable(conversation_hashtable_exact,
+ frame_num, addr_b, addr_a, etype,
port_a, port_b);
}
DPRINT(("exact match %sfound",conversation?"":"not "));
* address and port.
* ("addr_b" doesn't take part in this lookup.)
*/
- DPRINT(("trying wildcarded dest address"));
+ DPRINT(("trying wildcarded match: %s:%d -> *:%d",
+ address_to_str(wmem_packet_scope(), addr_a), port_a,
+ port_b));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2,
- frame_num, addr_a, addr_b, ptype, port_a, port_b);
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2,
+ frame_num, addr_a, addr_b, etype, port_a, port_b);
if ((conversation == NULL) && (addr_a->type == AT_FC)) {
/* In Fibre channel, OXID & RXID are never swapped as
* TCP/UDP ports are in TCP/IP.
*/
+ DPRINT(("trying wildcarded match: %s:%d -> *:%d",
+ address_to_str(wmem_packet_scope(), addr_b), port_a,
+ port_b));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2,
- frame_num, addr_b, addr_a, ptype,
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2,
+ frame_num, addr_b, addr_a, etype,
port_a, port_b);
}
if (conversation != NULL) {
* address, unless the CONVERSATION_TEMPLATE option is set.)
*/
DPRINT(("wildcarded dest address match found"));
- if (!(conversation->options & NO_ADDR_B) && ptype != PT_UDP)
+ if (!(conversation->options & NO_ADDR_B) && etype != ENDPOINT_UDP)
{
- if(!(conversation->options & CONVERSATION_TEMPLATE))
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
{
conversation_set_addr2(conversation, addr_b);
}
* ("addr_a" doesn't take part in this lookup.)
*/
if (!(options & NO_ADDR_B)) {
- DPRINT(("trying dest addr:port as source addr:port with wildcarded dest addr"));
+ DPRINT(("trying wildcarded match: %s:%d -> *:%d",
+ address_to_str(wmem_packet_scope(), addr_b), port_b,
+ port_a));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2,
- frame_num, addr_b, addr_a, ptype, port_b, port_a);
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2,
+ frame_num, addr_b, addr_a, etype, port_b, port_a);
if (conversation != NULL) {
/*
* If this is for a connection-oriented
* conversation.
*/
DPRINT(("match found"));
- if (ptype != PT_UDP) {
- if(!(conversation->options & CONVERSATION_TEMPLATE))
+ if (etype != ENDPOINT_UDP) {
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
{
conversation_set_addr2(conversation, addr_a);
}
else
{
conversation =
- conversation_create_from_template(conversation, addr_a, 0);
+ conversation_create_from_template(conversation, addr_a, 0);
}
}
return conversation;
* address and port.
* ("port_b" doesn't take part in this lookup.)
*/
- DPRINT(("trying wildcarded dest port"));
+ DPRINT(("trying wildcarded match: %s:%d -> %s:*",
+ address_to_str(wmem_packet_scope(), addr_a), port_a,
+ address_to_str(wmem_packet_scope(), addr_b)));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_port2,
- frame_num, addr_a, addr_b, ptype, port_a, port_b);
+ conversation_lookup_hashtable(conversation_hashtable_no_port2,
+ frame_num, addr_a, addr_b, etype, port_a, port_b);
if ((conversation == NULL) && (addr_a->type == AT_FC)) {
/* In Fibre channel, OXID & RXID are never swapped as
* TCP/UDP ports are in TCP/IP
*/
+ DPRINT(("trying wildcarded match: %s:%d -> %s:*",
+ address_to_str(wmem_packet_scope(), addr_b), port_a,
+ address_to_str(wmem_packet_scope(), addr_a)));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_port2,
- frame_num, addr_b, addr_a, ptype, port_a, port_b);
+ conversation_lookup_hashtable(conversation_hashtable_no_port2,
+ frame_num, addr_b, addr_a, etype, port_a, port_b);
}
if (conversation != NULL) {
/*
* unless the CONVERSATION_TEMPLATE option is set.)
*/
DPRINT(("match found"));
- if (!(conversation->options & NO_PORT_B) && ptype != PT_UDP)
+ if (!(conversation->options & NO_PORT_B) && etype != ENDPOINT_UDP)
{
- if(!(conversation->options & CONVERSATION_TEMPLATE))
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
{
conversation_set_port2(conversation, port_b);
}
else
{
conversation =
- conversation_create_from_template(conversation, 0, port_b);
+ conversation_create_from_template(conversation, 0, port_b);
}
}
return conversation;
* ("port_a" doesn't take part in this lookup.)
*/
if (!(options & NO_PORT_B)) {
- DPRINT(("trying dest addr:port as source addr:port and wildcarded dest port"));
+ DPRINT(("trying wildcarded match: %s:%d -> %s:*",
+ address_to_str(wmem_packet_scope(), addr_b), port_b,
+ address_to_str(wmem_packet_scope(), addr_a)));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_port2,
- frame_num, addr_b, addr_a, ptype, port_b, port_a);
+ conversation_lookup_hashtable(conversation_hashtable_no_port2,
+ frame_num, addr_b, addr_a, etype, port_b, port_a);
if (conversation != NULL) {
/*
* If this is for a connection-oriented
* conversation.
*/
DPRINT(("match found"));
- if (ptype != PT_UDP)
+ if (etype != ENDPOINT_UDP)
{
- if(!(conversation->options & CONVERSATION_TEMPLATE))
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
{
conversation_set_port2(conversation, port_a);
}
else
{
conversation =
- conversation_create_from_template(conversation, 0, port_a);
+ conversation_create_from_template(conversation, 0, port_a);
}
}
return conversation;
* and port A as the first address and port.
* (Neither "addr_b" nor "port_b" take part in this lookup.)
*/
- DPRINT(("trying wildcarding dest addr:port"));
+ DPRINT(("trying wildcarded match: %s:%d -> *:*",
+ address_to_str(wmem_packet_scope(), addr_a), port_a));
conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
- frame_num, addr_a, addr_b, ptype, port_a, port_b);
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
+ frame_num, addr_a, addr_b, etype, port_a, port_b);
if (conversation != NULL) {
/*
* If this is for a connection-oriented protocol:
* second port for this conversation.
*/
DPRINT(("match found"));
- if (ptype != PT_UDP)
+ if (etype != ENDPOINT_UDP)
{
- if(!(conversation->options & CONVERSATION_TEMPLATE))
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
{
if (!(conversation->options & NO_ADDR_B))
conversation_set_addr2(conversation, addr_b);
else
{
conversation =
- conversation_create_from_template(conversation, addr_b, port_b);
+ conversation_create_from_template(conversation, addr_b, port_b);
}
}
return conversation;
}
-
- /*
- * Well, that didn't find anything.
- * If search address and port B were specified, try looking for a
- * conversation with the specified address B and port B as the
- * first address and port, and with any second address and port
- * (this packet may be going in the opposite direction from the
- * first packet in the conversation).
- * (Neither "addr_a" nor "port_a" take part in this lookup.)
+ /* for Infiniband, don't try to look in addresses of reverse
+ * direction, because it could be another different
+ * valid conversation than what is being searched using
+ * addr_a, port_a.
*/
- DPRINT(("trying dest addr:port as source addr:port and wildcarding dest addr:port"));
- if (addr_a->type == AT_FC)
- conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
- frame_num, addr_b, addr_a, ptype, port_a, port_b);
- else
- conversation =
- conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
- frame_num, addr_b, addr_a, ptype, port_b, port_a);
- if (conversation != NULL) {
+ if (etype != ENDPOINT_IBQP)
+ {
+
/*
- * If this is for a connection-oriented protocol, set the
- * second address for this conversation to address A, as
- * that's the address that matched the wildcarded second
- * address for this conversation, and set the second port
- * for this conversation to port A, as that's the port
- * that matched the wildcarded second port for this
- * conversation.
+ * Well, that didn't find anything.
+ * If search address and port B were specified, try looking for a
+ * conversation with the specified address B and port B as the
+ * first address and port, and with any second address and port
+ * (this packet may be going in the opposite direction from the
+ * first packet in the conversation).
+ * (Neither "addr_a" nor "port_a" take part in this lookup.)
*/
- DPRINT(("match found"));
- if (ptype != PT_UDP)
- {
- if(!(conversation->options & CONVERSATION_TEMPLATE))
- {
- conversation_set_addr2(conversation, addr_a);
- conversation_set_port2(conversation, port_a);
- }
- else
+ if ((addr_a != NULL) && (addr_a->type == AT_FC)) {
+ DPRINT(("trying wildcarded match: %s:%d -> *:*",
+ address_to_str(wmem_packet_scope(), addr_b), port_a));
+ conversation =
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
+ frame_num, addr_b, addr_a, etype, port_a, port_b);
+ } else {
+ DPRINT(("trying wildcarded match: %s:%d -> *:*",
+ address_to_str(wmem_packet_scope(), addr_b), port_b));
+ conversation =
+ conversation_lookup_hashtable(conversation_hashtable_no_addr2_or_port2,
+ frame_num, addr_b, addr_a, etype, port_b, port_a);
+ }
+ if (conversation != NULL) {
+ /*
+ * If this is for a connection-oriented protocol, set the
+ * second address for this conversation to address A, as
+ * that's the address that matched the wildcarded second
+ * address for this conversation, and set the second port
+ * for this conversation to port A, as that's the port
+ * that matched the wildcarded second port for this
+ * conversation.
+ */
+ DPRINT(("match found"));
+ if (etype != ENDPOINT_UDP)
{
- conversation = conversation_create_from_template(conversation, addr_a, port_a);
+ if (!(conversation->options & CONVERSATION_TEMPLATE))
+ {
+ conversation_set_addr2(conversation, addr_a);
+ conversation_set_port2(conversation, port_a);
+ }
+ else
+ {
+ conversation = conversation_create_from_template(conversation, addr_a, port_a);
+ }
}
+ return conversation;
}
- return conversation;
}
-
DPRINT(("no matches found"));
/*
return NULL;
}
-static gint
-p_compare(gconstpointer a, gconstpointer b)
+conversation_t *find_conversation_by_id(const guint32 frame, const endpoint_type etype, const guint32 id, const guint options)
{
- const conv_proto_data *ap = (const conv_proto_data *)a;
- const conv_proto_data *bp = (const conv_proto_data *)b;
-
- if (ap->proto > bp->proto)
- return 1;
- else if (ap->proto == bp->proto)
- return 0;
- else
- return -1;
+ /* Force the lack of a address or port B */
+ return find_conversation(frame, &null_address_, &null_address_, etype, id, 0, options|NO_ADDR_B|NO_PORT_B);
}
void
conversation_add_proto_data(conversation_t *conv, const int proto, void *proto_data)
{
- conv_proto_data *p1 = wmem_new(wmem_file_scope(), conv_proto_data);
-
- p1->proto = proto;
- p1->proto_data = proto_data;
-
/* Add it to the list of items for this conversation. */
+ if (conv->data_list == NULL)
+ conv->data_list = wmem_tree_new(wmem_file_scope());
- conv->data_list = g_slist_insert_sorted(conv->data_list, (gpointer *)p1,
- p_compare);
+ wmem_tree_insert32(conv->data_list, proto, proto_data);
}
void *
conversation_get_proto_data(const conversation_t *conv, const int proto)
{
- conv_proto_data temp, *p1;
- GSList *item;
-
- temp.proto = proto;
- temp.proto_data = NULL;
+ /* No tree created yet */
+ if (conv->data_list == NULL)
+ return NULL;
- item = g_slist_find_custom(conv->data_list, (gpointer *)&temp,
- p_compare);
-
- if (item != NULL) {
- p1 = (conv_proto_data *)item->data;
- return p1->proto_data;
- }
-
- return NULL;
+ return wmem_tree_lookup32(conv->data_list, proto);
}
void
conversation_delete_proto_data(conversation_t *conv, const int proto)
{
- conv_proto_data temp;
- GSList *item;
-
- temp.proto = proto;
- temp.proto_data = NULL;
-
- item = g_slist_find_custom(conv->data_list, (gpointer *)&temp,
- p_compare);
+ if (conv->data_list != NULL)
+ wmem_tree_remove32(conv->data_list, proto);
+}
- while(item){
- conv->data_list = g_slist_remove(conv->data_list, item->data);
- item=item->next;
- }
+void
+conversation_set_dissector_from_frame_number(conversation_t *conversation,
+ const guint32 starting_frame_num, const dissector_handle_t handle)
+{
+ wmem_tree_insert32(conversation->dissector_tree, starting_frame_num, (void *)handle);
}
void
conversation_set_dissector(conversation_t *conversation, const dissector_handle_t handle)
{
- conversation->dissector_handle = handle;
+ conversation_set_dissector_from_frame_number(conversation, 0, handle);
+}
+
+dissector_handle_t
+conversation_get_dissector(conversation_t *conversation, const guint32 frame_num)
+{
+ return (dissector_handle_t)wmem_tree_lookup32_le(conversation->dissector_tree, frame_num);
+}
+
+static gboolean try_conversation_call_dissector_helper(conversation_t *conversation, gboolean* dissector_success,
+ tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
+{
+ int ret;
+ dissector_handle_t handle = (dissector_handle_t)wmem_tree_lookup32_le(
+ conversation->dissector_tree, pinfo->num);
+ if (handle == NULL)
+ return FALSE;
+
+ ret = call_dissector_only(handle, tvb, pinfo, tree, data);
+
+ /* Let the caller decide what to do with success or rejection */
+ (*dissector_success) = (ret != 0);
+
+ return TRUE;
}
/*
* this function returns FALSE.
*/
gboolean
-try_conversation_dissector(const address *addr_a, const address *addr_b, const port_type ptype,
+try_conversation_dissector(const address *addr_a, const address *addr_b, const endpoint_type etype,
const guint32 port_a, const guint32 port_b, tvbuff_t *tvb, packet_info *pinfo,
- proto_tree *tree, void* data)
+ proto_tree *tree, void* data, const guint options)
+{
+ conversation_t *conversation;
+ gboolean dissector_success;
+
+ /* Try each mode based on option flags */
+
+ conversation = find_conversation(pinfo->num, addr_a, addr_b, etype, port_a, port_b, 0);
+ if (conversation != NULL) {
+ if (try_conversation_call_dissector_helper(conversation, &dissector_success, tvb, pinfo, tree, data))
+ return dissector_success;
+ }
+
+ if (options & NO_ADDR_B) {
+ conversation = find_conversation(pinfo->num, addr_a, addr_b, etype, port_a, port_b, NO_ADDR_B);
+ if (conversation != NULL) {
+ if (try_conversation_call_dissector_helper(conversation, &dissector_success, tvb, pinfo, tree, data))
+ return dissector_success;
+ }
+ }
+
+ if (options & NO_PORT_B) {
+ conversation = find_conversation(pinfo->num, addr_a, addr_b, etype, port_a, port_b, NO_PORT_B);
+ if (conversation != NULL) {
+ if (try_conversation_call_dissector_helper(conversation, &dissector_success, tvb, pinfo, tree, data))
+ return dissector_success;
+ }
+ }
+
+ if (options & (NO_ADDR_B|NO_PORT_B)) {
+ conversation = find_conversation(pinfo->num, addr_a, addr_b, etype, port_a, port_b, NO_ADDR_B|NO_PORT_B);
+ if (conversation != NULL) {
+ if (try_conversation_call_dissector_helper(conversation, &dissector_success, tvb, pinfo, tree, data))
+ return dissector_success;
+ }
+ }
+
+ return FALSE;
+}
+
+gboolean
+try_conversation_dissector_by_id(const endpoint_type etype, const guint32 id, tvbuff_t *tvb,
+ packet_info *pinfo, proto_tree *tree, void* data)
{
conversation_t *conversation;
- conversation = find_conversation(pinfo->fd->num, addr_a, addr_b, ptype, port_a,
- port_b, 0);
+ conversation = find_conversation_by_id(pinfo->num, etype, id, 0);
if (conversation != NULL) {
int ret;
- if (conversation->dissector_handle == NULL)
+
+ dissector_handle_t handle = (dissector_handle_t)wmem_tree_lookup32_le(conversation->dissector_tree, pinfo->num);
+ if (handle == NULL)
return FALSE;
- ret=call_dissector_only(conversation->dissector_handle, tvb, pinfo,
- tree, data);
- if(!ret) {
+ ret = call_dissector_only(handle, tvb, pinfo, tree, data);
+ if (!ret) {
/* this packet was rejected by the dissector
* so return FALSE in case our caller wants
* to do some cleaning up.
return FALSE;
}
-/* A helper function that calls find_conversation() and, if a conversation is
- * not found, calls conversation_new().
+/** A helper function that calls find_conversation() using data from pinfo
* The frame number and addresses are taken from pinfo.
- * No options are used, though we could extend this API to include an options
- * parameter.
*/
conversation_t *
-find_or_create_conversation(packet_info *pinfo)
+find_conversation_pinfo(packet_info *pinfo, const guint options)
{
conversation_t *conv=NULL;
- DPRINT(("called for frame #%d: %s:%d -> %s:%d (ptype=%d)",
- pinfo->fd->num, address_to_str(wmem_packet_scope(), &pinfo->src), pinfo->srcport,
+ DPRINT(("called for frame #%u: %s:%d -> %s:%d (ptype=%d)",
+ pinfo->num, address_to_str(wmem_packet_scope(), &pinfo->src), pinfo->srcport,
address_to_str(wmem_packet_scope(), &pinfo->dst), pinfo->destport, pinfo->ptype));
DINDENT();
/* Have we seen this conversation before? */
- if((conv = find_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst,
- pinfo->ptype, pinfo->srcport,
- pinfo->destport, 0)) != NULL) {
- DPRINT(("found previous conversation for frame #%d (last_frame=%d)",
- pinfo->fd->num, conv->last_frame));
- if (pinfo->fd->num > conv->last_frame) {
- conv->last_frame = pinfo->fd->num;
+ if (pinfo->use_endpoint) {
+ DISSECTOR_ASSERT(pinfo->conv_endpoint);
+ if ((conv = find_conversation(pinfo->num, &pinfo->conv_endpoint->addr1, &pinfo->conv_endpoint->addr2,
+ pinfo->conv_endpoint->etype, pinfo->conv_endpoint->port1,
+ pinfo->conv_endpoint->port2, pinfo->conv_endpoint->options)) != NULL) {
+ DPRINT(("found previous conversation for frame #%u (last_frame=%d)",
+ pinfo->num, conv->last_frame));
+ if (pinfo->num > conv->last_frame) {
+ conv->last_frame = pinfo->num;
+ }
}
} else {
+ if ((conv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
+ conversation_pt_to_endpoint_type(pinfo->ptype), pinfo->srcport,
+ pinfo->destport, options)) != NULL) {
+ DPRINT(("found previous conversation for frame #%u (last_frame=%d)",
+ pinfo->num, conv->last_frame));
+ if (pinfo->num > conv->last_frame) {
+ conv->last_frame = pinfo->num;
+ }
+ }
+ }
+
+ return conv;
+}
+
+/* A helper function that calls find_conversation() and, if a conversation is
+ * not found, calls conversation_new().
+ * The frame number and addresses are taken from pinfo.
+ * No options are used, though we could extend this API to include an options
+ * parameter.
+ */
+conversation_t *
+find_or_create_conversation(packet_info *pinfo)
+{
+ conversation_t *conv=NULL;
+
+ /* Have we seen this conversation before? */
+ if ((conv = find_conversation_pinfo(pinfo, 0)) == NULL) {
/* No, this is a new conversation. */
- DPRINT(("did not find previous conversation for frame #%d",
- pinfo->fd->num));
+ DPRINT(("did not find previous conversation for frame #%u",
+ pinfo->num));
DINDENT();
- conv = conversation_new(pinfo->fd->num, &pinfo->src,
- &pinfo->dst, pinfo->ptype,
+ conv = conversation_new(pinfo->num, &pinfo->src,
+ &pinfo->dst, conversation_pt_to_endpoint_type(pinfo->ptype),
pinfo->srcport, pinfo->destport, 0);
DENDENT();
}
return conv;
}
-GHashTable *
+conversation_t *
+find_or_create_conversation_by_id(packet_info *pinfo, const endpoint_type etype, const guint32 id)
+{
+ conversation_t *conv=NULL;
+
+ /* Have we seen this conversation before? */
+ if ((conv = find_conversation_by_id(pinfo->num, etype, id, 0)) == NULL) {
+ /* No, this is a new conversation. */
+ DPRINT(("did not find previous conversation for frame #%u",
+ pinfo->num));
+ DINDENT();
+ conv = conversation_new_by_id(pinfo->num, etype, id, 0);
+ DENDENT();
+ }
+
+ DENDENT();
+
+ return conv;
+}
+
+void conversation_create_endpoint(struct _packet_info *pinfo, address* addr1, address* addr2,
+ endpoint_type etype, guint32 port1, guint32 port2, const guint options)
+{
+ pinfo->conv_endpoint = wmem_new0(pinfo->pool, struct endpoint);
+ pinfo->use_endpoint = TRUE;
+
+ if (addr1 != NULL)
+ copy_address_wmem(pinfo->pool, &pinfo->conv_endpoint->addr1, addr1);
+
+ if (addr2 != NULL)
+ copy_address_wmem(pinfo->pool, &pinfo->conv_endpoint->addr2, addr2);
+
+ pinfo->conv_endpoint->etype = etype;
+ pinfo->conv_endpoint->port1 = port1;
+ pinfo->conv_endpoint->port2 = port2;
+ pinfo->conv_endpoint->options = options;
+}
+
+void conversation_create_endpoint_by_id(struct _packet_info *pinfo,
+ endpoint_type etype, guint32 id, const guint options)
+{
+ /* Force the lack of a address or port B */
+ conversation_create_endpoint(pinfo, &null_address_, &null_address_, etype, id, 0, options|NO_ADDR_B|NO_PORT_B);
+}
+
+guint32 conversation_get_endpoint_by_id(struct _packet_info *pinfo, endpoint_type etype, const guint options)
+{
+ if (pinfo->conv_endpoint == NULL)
+ return 0;
+
+ if ((pinfo->conv_endpoint->etype != etype) &&
+ ((options & USE_LAST_ENDPOINT) != USE_LAST_ENDPOINT))
+ return 0;
+
+ return pinfo->conv_endpoint->port1;
+}
+
+wmem_map_t *
get_conversation_hashtable_exact(void)
{
return conversation_hashtable_exact;
}
-GHashTable *
+wmem_map_t *
get_conversation_hashtable_no_addr2(void)
{
return conversation_hashtable_no_addr2;
}
-GHashTable *
+wmem_map_t *
get_conversation_hashtable_no_port2(void)
{
return conversation_hashtable_no_port2;
}
-GHashTable *
+wmem_map_t *
get_conversation_hashtable_no_addr2_or_port2(void)
{
return conversation_hashtable_no_addr2_or_port2;
}
+address*
+conversation_key_addr1(const conversation_key_t key)
+{
+ return &key->addr1;
+}
+
+address*
+conversation_key_addr2(const conversation_key_t key)
+{
+ return &key->addr2;
+}
+
+guint32
+conversation_key_port1(const conversation_key_t key)
+{
+ return key->port1;
+}
+
+guint32
+conversation_key_port2(const conversation_key_t key)
+{
+ return key->port2;
+}
+
+WS_DLL_PUBLIC
+endpoint_type conversation_pt_to_endpoint_type(port_type pt)
+{
+ switch (pt)
+ {
+ case PT_NONE:
+ return ENDPOINT_NONE;
+ case PT_SCTP:
+ return ENDPOINT_SCTP;
+ case PT_TCP:
+ return ENDPOINT_TCP;
+ case PT_UDP:
+ return ENDPOINT_UDP;
+ case PT_DCCP:
+ return ENDPOINT_DCCP;
+ case PT_IPX:
+ return ENDPOINT_IPX;
+ case PT_DDP:
+ return ENDPOINT_DDP;
+ case PT_IDP:
+ return ENDPOINT_IDP;
+ case PT_USB:
+ return ENDPOINT_USB;
+ case PT_I2C:
+ return ENDPOINT_I2C;
+ case PT_IBQP:
+ return ENDPOINT_IBQP;
+ case PT_BLUETOOTH:
+ return ENDPOINT_BLUETOOTH;
+ }
+
+ DISSECTOR_ASSERT(FALSE);
+ return ENDPOINT_NONE;
+}
+
+gchar*
+conversation_get_html_hash(const conversation_key_t key)
+{
+ gchar *hash, *addr1, *addr2;
+
+ addr1 = address_to_str(NULL, &key->addr1);
+ addr2 = address_to_str(NULL, &key->addr2);
+ hash = wmem_strdup_printf(NULL, "<tr><td>%s</td><td>%d</td><td>%s</td><td>%d</td></tr>\n",
+ addr1, key->port1, addr2, key->port2);
+ wmem_free(NULL, addr1);
+ wmem_free(NULL, addr2);
+
+ return hash;
+}
+
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*