/*
* capabilities.c
*
* Copyright (C) 2012 - 2014 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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 3 of the License, or
* (at your option) any later version.
*
* Profanity 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 Profanity. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include "config.h"
#ifdef HAVE_GIT_VERSION
#include "gitversion.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <strophe.h>
#include "common.h"
#include "xmpp/xmpp.h"
#include "xmpp/stanza.h"
#include "xmpp/form.h"
static GHashTable *capabilities;
static void _caps_destroy(Capabilities *caps);
void
caps_init(void)
{
capabilities = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
(GDestroyNotify)_caps_destroy);
}
void
caps_add(const char * const caps_str, const char * const category,
const char * const type, const char * const name,
const char * const software, const char * const software_version,
const char * const os, const char * const os_version,
GSList *features)
{
Capabilities *new_caps = malloc(sizeof(struct capabilities_t));
if (category != NULL) {
new_caps->category = strdup(category);
} else {
new_caps->category = NULL;
}
if (type != NULL) {
new_caps->type = strdup(type);
} else {
new_caps->type = NULL;
}
if (name != NULL) {
new_caps->name = strdup(name);
} else {
new_caps->name = NULL;
}
if (software != NULL) {
new_caps->software = strdup(software);
} else {
new_caps->software = NULL;
}
if (software_version != NULL) {
new_caps->software_version = strdup(software_version);
} else {
new_caps->software_version = NULL;
}
if (os != NULL) {
new_caps->os = strdup(os);
} else {
new_caps->os = NULL;
}
if (os_version != NULL) {
new_caps->os_version = strdup(os_version);
} else {
new_caps->os_version = NULL;
}
if (features != NULL) {
new_caps->features = features;
} else {
new_caps->features = NULL;
}
g_hash_table_insert(capabilities, strdup(caps_str), new_caps);
}
gboolean
caps_contains(const char * const caps_str)
{
return (g_hash_table_lookup(capabilities, caps_str) != NULL);
}
static Capabilities *
_caps_get(const char * const caps_str)
{
return g_hash_table_lookup(capabilities, caps_str);
}
char *
caps_create_sha1_str(xmpp_stanza_t * const query)
{
char *category = NULL;
char *type = NULL;
char *lang = NULL;
char *name = NULL;
char *feature_str = NULL;
GSList *identities = NULL;
GSList *features = NULL;
GSList *form_names = NULL;
DataForm *form = NULL;
FormField *field = NULL;
GHashTable *forms = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)form_destroy);
GString *s = g_string_new("");
xmpp_stanza_t *child = xmpp_stanza_get_children(query);
while (child != NULL) {
if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_IDENTITY) == 0) {
category = xmpp_stanza_get_attribute(child, "category");
type = xmpp_stanza_get_attribute(child, "type");
lang = xmpp_stanza_get_attribute(child, "xml:lang");
name = xmpp_stanza_get_attribute(child, "name");
GString *identity_str = g_string_new(category);
g_string_append(identity_str, "/");
if (type != NULL) {
g_string_append(identity_str, type);
}
g_string_append(identity_str, "/");
if (lang != NULL) {
g_string_append(identity_str, lang);
}
g_string_append(identity_str, "/");
if (name != NULL) {
g_string_append(identity_str, name);
}
g_string_append(identity_str, "<");
identities = g_slist_insert_sorted(identities, g_strdup(identity_str->str), (GCompareFunc)strcmp);
g_string_free(identity_str, TRUE);
} else if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_FEATURE) == 0) {
feature_str = xmpp_stanza_get_attribute(child, "var");
features = g_slist_insert_sorted(features, g_strdup(feature_str), (GCompareFunc)strcmp);
} else if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_X) == 0) {
if (strcmp(xmpp_stanza_get_ns(child), STANZA_NS_DATA) == 0) {
form = form_create(child);
char *form_type = form_get_form_type_field(form);
form_names = g_slist_insert_sorted(form_names, g_strdup(form_type), (GCompareFunc)strcmp);
g_hash_table_insert(forms, g_strdup(form_type), form);
}
}
child = xmpp_stanza_get_next(child);
}
GSList *curr = identities;
while (curr != NULL) {
g_string_append(s, curr->data);
curr = g_slist_next(curr);
}
curr = features;
while (curr != NULL) {
g_string_append(s, curr->data);
g_string_append(s, "<");
curr = g_slist_next(curr);
}
curr = form_names;
while (curr != NULL) {
form = g_hash_table_lookup(forms, curr->data);
char *form_type = form_get_form_type_field(form);
g_string_append(s, form_type);
g_string_append(s, "<");
GSList *curr_field = form->fields;
while (curr_field != NULL) {
field = curr_field->data;
g_string_append(s, field->var);
g_string_append(s, "<");
GSList *curr_value = field->values;
while (curr_value != NULL) {
g_string_append(s, curr_value->data);
g_string_append(s, "<");
curr_value = g_slist_next(curr_value);
}
curr_field = g_slist_next(curr_field);
}
curr = g_slist_next(curr);
}
char *result = p_sha1_hash(s->str);
g_string_free(s, TRUE);
g_slist_free_full(identities, g_free);
g_slist_free_full(features, g_free);
g_slist_free_full(form_names, g_free);
g_hash_table_destroy(forms);
return result;
}
xmpp_stanza_t *
caps_create_query_response_stanza(xmpp_ctx_t * const ctx)
{
xmpp_stanza_t *query = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(query, STANZA_NAME_QUERY);
xmpp_stanza_set_ns(query, XMPP_NS_DISCO_INFO);
xmpp_stanza_t *identity = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(identity, "identity");
xmpp_stanza_set_attribute(identity, "category", "client");
xmpp_stanza_set_attribute(identity, "type", "console");
GString *name_str = g_string_new("Profanity ");
g_string_append(name_str, PACKAGE_VERSION);
if (strcmp(PACKAGE_STATUS, "development") == 0) {
#ifdef HAVE_GIT_VERSION
g_string_append(name_str, "dev.");
g_string_append(name_str, PROF_GIT_BRANCH);
g_string_append(name_str, ".");
g_string_append(name_str, PROF_GIT_REVISION);
#else
g_string_append(name_str, "dev");
#endif
}
xmpp_stanza_set_attribute(identity, "name", name_str->str);
g_string_free(name_str, TRUE);
xmpp_stanza_t *feature_caps = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_caps, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_caps, STANZA_ATTR_VAR, STANZA_NS_CAPS);
xmpp_stanza_t *feature_discoinfo = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_discoinfo, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_discoinfo, STANZA_ATTR_VAR, XMPP_NS_DISCO_INFO);
xmpp_stanza_t *feature_discoitems = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_discoitems, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_discoitems, STANZA_ATTR_VAR, XMPP_NS_DISCO_ITEMS);
xmpp_stanza_t *feature_muc = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_muc, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_muc, STANZA_ATTR_VAR, STANZA_NS_MUC);
xmpp_stanza_t *feature_version = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_version, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_version, STANZA_ATTR_VAR, STANZA_NS_VERSION);
xmpp_stanza_t *feature_chatstates = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_chatstates, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_chatstates, STANZA_ATTR_VAR, STANZA_NS_CHATSTATES);
xmpp_stanza_t *feature_ping = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(feature_ping, STANZA_NAME_FEATURE);
xmpp_stanza_set_attribute(feature_ping, STANZA_ATTR_VAR, STANZA_NS_PING);
xmpp_stanza_add_child(query, identity);
xmpp_stanza_add_child(query, feature_caps);
xmpp_stanza_add_child(query, feature_chatstates);
xmpp_stanza_add_child(query, feature_discoinfo);
xmpp_stanza_add_child(query, feature_discoitems);
xmpp_stanza_add_child(query, feature_muc);
xmpp_stanza_add_child(query, feature_version);
xmpp_stanza_add_child(query, feature_ping);
xmpp_stanza_release(feature_ping);
xmpp_stanza_release(feature_version);
xmpp_stanza_release(feature_muc);
xmpp_stanza_release(feature_discoitems);
xmpp_stanza_release(feature_discoinfo);
xmpp_stanza_release(feature_chatstates);
xmpp_stanza_release(feature_caps);
xmpp_stanza_release(identity);
return query;
}
static void
_caps_close(void)
{
g_hash_table_destroy(capabilities);
}
static void
_caps_destroy(Capabilities *caps)
{
if (caps != NULL) {
free(caps->category);
free(caps->type);
free(caps->name);
free(caps->software);
free(caps->software_version);
free(caps->os);
free(caps->os_version);
if (caps->features != NULL) {
g_slist_free_full(caps->features, free);
}
free(caps);
}
}
void
capabilities_init_module(void)
{
caps_get = _caps_get;
caps_close = _caps_close;
}