struct ast_json *ast_json_party_id(struct ast_party_id *party)
{
RAII_VAR(struct ast_json *, json_party_id, NULL, ast_json_unref);
int pres;
/* Combined party presentation */
pres = ast_party_id_presentation(party);
json_party_id = ast_json_pack("{s: i, s: s}",
"presentation", pres,
"presentation_txt", ast_describe_caller_presentation(pres));
if (!json_party_id) {
return NULL;
}
/* Party number */
if (party->number.valid && ast_json_object_set(json_party_id, "number", json_party_number(&party->number))) {
return NULL;
}
/* Party name */
if (party->name.valid && ast_json_object_set(json_party_id, "name", json_party_name(&party->name))) {
return NULL;
}
/* Party subaddress */
if (party->subaddress.valid && ast_json_object_set(json_party_id, "subaddress", json_party_subaddress(&party->subaddress))) {
return NULL;
}
return ast_json_ref(json_party_id);
}
/*!
* \internal
* \brief Add any appropriate identification headers to an outbound SIP message
*
* This will determine if an outbound message should have identification headers and
* will add the appropriately configured headers
*
* \param session The session on which we will be sending the message
* \param tdata The outbound message
* \param The identity information to place on the message
*/
static void add_id_headers(const struct ast_sip_session *session, pjsip_tx_data *tdata, const struct ast_party_id *id)
{
if (!id->number.valid
|| (!session->endpoint->id.trust_outbound
&& (ast_party_id_presentation(id) & AST_PRES_RESTRICTION) != AST_PRES_ALLOWED)) {
return;
}
if (session->endpoint->id.send_pai) {
add_pai_header(tdata, id);
}
if (session->endpoint->id.send_rpid) {
add_rpid_header(tdata, id);
}
}
/*!
* \internal
* \brief Add privacy and screen parameters to a Remote-Party-ID header.
*
* If privacy is requested, then the privacy and screen parameters need to
* reflect this. Similarly, if no privacy or screening is to be communicated,
* we need to make sure that any previously set values are updated.
*
* \param tdata The message where the Remote-Party-ID header is
* \param hdr The header on which the parameters are being added
* \param id The identification information used to determine privacy
*/
static void add_privacy_params(pjsip_tx_data *tdata, pjsip_fromto_hdr *hdr, const struct ast_party_id *id)
{
static const pj_str_t privacy_str = { "privacy", 7 };
static const pj_str_t screen_str = { "screen", 6 };
static const pj_str_t privacy_full_str = { "full", 4 };
static const pj_str_t privacy_off_str = { "off", 3 };
static const pj_str_t screen_yes_str = { "yes", 3 };
static const pj_str_t screen_no_str = { "no", 2 };
pjsip_param *old_privacy;
pjsip_param *old_screen;
pjsip_param *privacy;
pjsip_param *screen;
int presentation;
old_privacy = pjsip_param_find(&hdr->other_param, &privacy_str);
old_screen = pjsip_param_find(&hdr->other_param, &screen_str);
if (!old_privacy) {
privacy = PJ_POOL_ALLOC_T(tdata->pool, pjsip_param);
privacy->name = privacy_str;
pj_list_insert_before(&hdr->other_param, privacy);
} else {
privacy = old_privacy;
}
if (!old_screen) {
screen = PJ_POOL_ALLOC_T(tdata->pool, pjsip_param);
screen->name = screen_str;
pj_list_insert_before(&hdr->other_param, screen);
} else {
screen = old_screen;
}
presentation = ast_party_id_presentation(id);
if ((presentation & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED) {
privacy->value = privacy_off_str;
} else {
privacy->value = privacy_full_str;
}
if ((presentation & AST_PRES_NUMBER_TYPE) == AST_PRES_USER_NUMBER_PASSED_SCREEN) {
screen->value = screen_yes_str;
} else {
screen->value = screen_no_str;
}
}
/*!
* \internal
* \brief Add a Privacy header to an outbound message
*
* When sending a P-Asserted-Identity header, if privacy is requested, then we
* will need to indicate such by adding a Privacy header. Similarly, if no
* privacy is requested, and a Privacy header already exists on the message,
* then the old Privacy header should be removed.
*
* \param tdata The outbound message to add the Privacy header to
* \param id The id information used to determine privacy
*/
static void add_privacy_header(pjsip_tx_data *tdata, const struct ast_party_id *id)
{
static const pj_str_t pj_privacy_name = { "Privacy", 7 };
static const pj_str_t pj_privacy_value = { "id", 2 };
pjsip_hdr *old_privacy;
old_privacy = pjsip_msg_find_hdr_by_name(tdata->msg, &pj_privacy_name, NULL);
if ((ast_party_id_presentation(id) & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED) {
if (old_privacy) {
pj_list_erase(old_privacy);
}
} else if (!old_privacy) {
pjsip_generic_string_hdr *privacy_hdr = pjsip_generic_string_hdr_create(
tdata->pool, &pj_privacy_name, &pj_privacy_value);
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *)privacy_hdr);
}
}
/*!
* \internal
* \brief Session supplement callback for outgoing INVITE requests
*
* For an initial INVITE request, we may change the From header to appropriately
* reflect the identity information. On all INVITEs (initial and reinvite) we may
* add other identity headers such as P-Asserted-Identity and Remote-Party-ID based
* on configuration and privacy settings
*
* \param session The session on which the INVITE will be sent
* \param tdata The outbound INVITE request
*/
static void caller_id_outgoing_request(struct ast_sip_session *session, pjsip_tx_data *tdata)
{
struct ast_party_id effective_id;
struct ast_party_id connected_id;
if (!session->channel) {
return;
}
/* Must do a deep copy unless we hold the channel lock the entire time. */
ast_party_id_init(&connected_id);
ast_channel_lock(session->channel);
effective_id = ast_channel_connected_effective_id(session->channel);
ast_party_id_copy(&connected_id, &effective_id);
ast_channel_unlock(session->channel);
if (session->inv_session->state < PJSIP_INV_STATE_CONFIRMED) {
/* Only change the From header on the initial outbound INVITE. Switching it
* mid-call might confuse some UAs.
*/
pjsip_fromto_hdr *from;
pjsip_dialog *dlg;
from = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_FROM, tdata->msg->hdr.next);
dlg = session->inv_session->dlg;
if (ast_strlen_zero(session->endpoint->fromuser)
&& (session->endpoint->id.trust_outbound
|| (ast_party_id_presentation(&connected_id) & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED)) {
modify_id_header(tdata->pool, from, &connected_id);
modify_id_header(dlg->pool, dlg->local.info, &connected_id);
}
ast_sip_add_usereqphone(session->endpoint, tdata->pool, from->uri);
ast_sip_add_usereqphone(session->endpoint, dlg->pool, dlg->local.info->uri);
}
add_id_headers(session, tdata, &connected_id);
ast_party_id_free(&connected_id);
}
static u_char *ast_var_channels_table(struct variable *vp, oid *name, size_t *length,
int exact, size_t *var_len, WriteMethod **write_method)
{
static unsigned long long_ret;
static u_char bits_ret[2];
static char string_ret[256];
struct ast_channel *chan, *bridge;
struct timeval tval;
u_char *ret = NULL;
int i, bit;
struct ast_str *out = ast_str_alloca(2048);
struct ast_channel_iterator *iter;
if (header_simple_table(vp, name, length, exact, var_len, write_method, ast_active_channels()))
return NULL;
i = name[*length - 1] - 1;
if (!(iter = ast_channel_iterator_all_new())) {
return NULL;
}
while ((chan = ast_channel_iterator_next(iter)) && i) {
ast_channel_unref(chan);
i--;
}
iter = ast_channel_iterator_destroy(iter);
if (chan == NULL) {
return NULL;
}
*var_len = sizeof(long_ret);
ast_channel_lock(chan);
switch (vp->magic) {
case ASTCHANINDEX:
long_ret = name[*length - 1];
ret = (u_char *)&long_ret;
break;
case ASTCHANNAME:
if (!ast_strlen_zero(ast_channel_name(chan))) {
ast_copy_string(string_ret, ast_channel_name(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANLANGUAGE:
if (!ast_strlen_zero(ast_channel_language(chan))) {
ast_copy_string(string_ret, ast_channel_language(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANTYPE:
ast_copy_string(string_ret, ast_channel_tech(chan)->type, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMUSICCLASS:
if (!ast_strlen_zero(ast_channel_musicclass(chan))) {
ast_copy_string(string_ret, ast_channel_musicclass(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANBRIDGE:
if ((bridge = ast_bridged_channel(chan)) != NULL) {
ast_copy_string(string_ret, ast_channel_name(bridge), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQ:
if (ast_channel_masq(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masq(chan)))) {
ast_copy_string(string_ret, ast_channel_name(ast_channel_masq(chan)), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQR:
if (ast_channel_masqr(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masqr(chan)))) {
ast_copy_string(string_ret, ast_channel_name(ast_channel_masqr(chan)), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANWHENHANGUP:
if (!ast_tvzero(*ast_channel_whentohangup(chan))) {
gettimeofday(&tval, NULL);
long_ret = difftime(ast_channel_whentohangup(chan)->tv_sec, tval.tv_sec) * 100 - tval.tv_usec / 10000;
ret= (u_char *)&long_ret;
}
break;
case ASTCHANAPP:
if (ast_channel_appl(chan)) {
ast_copy_string(string_ret, ast_channel_appl(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANDATA:
if (ast_channel_data(chan)) {
ast_copy_string(string_ret, ast_channel_data(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCONTEXT:
ast_copy_string(string_ret, ast_channel_context(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROCONTEXT:
ast_copy_string(string_ret, ast_channel_macrocontext(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROEXTEN:
ast_copy_string(string_ret, ast_channel_macroexten(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROPRI:
long_ret = ast_channel_macropriority(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANEXTEN:
ast_copy_string(string_ret, ast_channel_exten(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANPRI:
long_ret = ast_channel_priority(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANACCOUNTCODE:
if (!ast_strlen_zero(ast_channel_accountcode(chan))) {
ast_copy_string(string_ret, ast_channel_accountcode(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANFORWARDTO:
if (!ast_strlen_zero(ast_channel_call_forward(chan))) {
ast_copy_string(string_ret, ast_channel_call_forward(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANUNIQUEID:
ast_copy_string(string_ret, ast_channel_uniqueid(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANCALLGROUP:
long_ret = ast_channel_callgroup(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANPICKUPGROUP:
long_ret = ast_channel_pickupgroup(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANSTATE:
long_ret = ast_channel_state(chan) & 0xffff;
ret = (u_char *)&long_ret;
break;
case ASTCHANMUTED:
long_ret = ast_channel_state(chan) & AST_STATE_MUTE ? 1 : 2;
ret = (u_char *)&long_ret;
break;
case ASTCHANRINGS:
long_ret = ast_channel_rings(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDDNID:
if (ast_channel_dialed(chan)->number.str) {
ast_copy_string(string_ret, ast_channel_dialed(chan)->number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNUM:
if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->id.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNAME:
if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->id.name.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDANI:
if (ast_channel_caller(chan)->ani.number.valid && ast_channel_caller(chan)->ani.number.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->ani.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDRDNIS:
if (ast_channel_redirecting(chan)->from.number.valid && ast_channel_redirecting(chan)->from.number.str) {
ast_copy_string(string_ret, ast_channel_redirecting(chan)->from.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDPRES:
long_ret = ast_party_id_presentation(&ast_channel_caller(chan)->id);
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDANI2:
long_ret = ast_channel_caller(chan)->ani2;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTON:
long_ret = ast_channel_caller(chan)->id.number.plan;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTNS:
long_ret = ast_channel_dialed(chan)->transit_network_select;
ret = (u_char *)&long_ret;
break;
case ASTCHANAMAFLAGS:
long_ret = ast_channel_amaflags(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANADSI:
long_ret = ast_channel_adsicpe(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANTONEZONE:
if (ast_channel_zone(chan)) {
ast_copy_string(string_ret, ast_channel_zone(chan)->country, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANHANGUPCAUSE:
long_ret = ast_channel_hangupcause(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANVARIABLES:
if (pbx_builtin_serialize_variables(chan, &out)) {
*var_len = ast_str_strlen(out);
ret = (u_char *)ast_str_buffer(out);
}
break;
case ASTCHANFLAGS:
bits_ret[0] = 0;
for (bit = 0; bit < 8; bit++)
bits_ret[0] |= ((ast_channel_flags(chan)->flags & (1 << bit)) >> bit) << (7 - bit);
bits_ret[1] = 0;
for (bit = 0; bit < 8; bit++)
bits_ret[1] |= (((ast_channel_flags(chan)->flags >> 8) & (1 << bit)) >> bit) << (7 - bit);
*var_len = 2;
ret = bits_ret;
break;
case ASTCHANTRANSFERCAP:
long_ret = ast_channel_transfercapability(chan);
ret = (u_char *)&long_ret;
default:
break;
}
ast_channel_unlock(chan);
chan = ast_channel_unref(chan);
return ret;
}
struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *chan)
{
struct ast_channel_snapshot *snapshot;
struct ast_bridge *bridge;
char nativeformats[256];
struct ast_str *write_transpath = ast_str_alloca(256);
struct ast_str *read_transpath = ast_str_alloca(256);
struct ast_party_id effective_connected_id;
struct ast_callid *callid;
/* no snapshots for dummy channels */
if (!ast_channel_tech(chan)) {
return NULL;
}
snapshot = ao2_alloc(sizeof(*snapshot), channel_snapshot_dtor);
if (!snapshot || ast_string_field_init(snapshot, 1024)) {
ao2_cleanup(snapshot);
return NULL;
}
ast_string_field_set(snapshot, name, ast_channel_name(chan));
ast_string_field_set(snapshot, type, ast_channel_tech(chan)->type);
ast_string_field_set(snapshot, accountcode, ast_channel_accountcode(chan));
ast_string_field_set(snapshot, peeraccount, ast_channel_peeraccount(chan));
ast_string_field_set(snapshot, userfield, ast_channel_userfield(chan));
ast_string_field_set(snapshot, uniqueid, ast_channel_uniqueid(chan));
ast_string_field_set(snapshot, linkedid, ast_channel_linkedid(chan));
ast_string_field_set(snapshot, hangupsource, ast_channel_hangupsource(chan));
if (ast_channel_appl(chan)) {
ast_string_field_set(snapshot, appl, ast_channel_appl(chan));
}
if (ast_channel_data(chan)) {
ast_string_field_set(snapshot, data, ast_channel_data(chan));
}
ast_string_field_set(snapshot, context, ast_channel_context(chan));
ast_string_field_set(snapshot, exten, ast_channel_exten(chan));
ast_string_field_set(snapshot, caller_name,
S_COR(ast_channel_caller(chan)->id.name.valid, ast_channel_caller(chan)->id.name.str, ""));
ast_string_field_set(snapshot, caller_number,
S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, ""));
ast_string_field_set(snapshot, caller_dnid, S_OR(ast_channel_dialed(chan)->number.str, ""));
ast_string_field_set(snapshot, caller_subaddr,
S_COR(ast_channel_caller(chan)->id.subaddress.valid, ast_channel_caller(chan)->id.subaddress.str, ""));
ast_string_field_set(snapshot, dialed_subaddr,
S_COR(ast_channel_dialed(chan)->subaddress.valid, ast_channel_dialed(chan)->subaddress.str, ""));
ast_string_field_set(snapshot, caller_ani,
S_COR(ast_channel_caller(chan)->ani.number.valid, ast_channel_caller(chan)->ani.number.str, ""));
ast_string_field_set(snapshot, caller_rdnis,
S_COR(ast_channel_redirecting(chan)->from.number.valid, ast_channel_redirecting(chan)->from.number.str, ""));
ast_string_field_set(snapshot, caller_dnid,
S_OR(ast_channel_dialed(chan)->number.str, ""));
ast_string_field_set(snapshot, connected_name,
S_COR(ast_channel_connected(chan)->id.name.valid, ast_channel_connected(chan)->id.name.str, ""));
ast_string_field_set(snapshot, connected_number,
S_COR(ast_channel_connected(chan)->id.number.valid, ast_channel_connected(chan)->id.number.str, ""));
ast_string_field_set(snapshot, language, ast_channel_language(chan));
if ((bridge = ast_channel_get_bridge(chan))) {
ast_string_field_set(snapshot, bridgeid, bridge->uniqueid);
ao2_cleanup(bridge);
}
ast_string_field_set(snapshot, nativeformats, ast_getformatname_multiple(nativeformats, sizeof(nativeformats),
ast_channel_nativeformats(chan)));
ast_string_field_set(snapshot, readformat, ast_getformatname(ast_channel_readformat(chan)));
ast_string_field_set(snapshot, writeformat, ast_getformatname(ast_channel_writeformat(chan)));
ast_string_field_set(snapshot, writetrans, ast_translate_path_to_str(ast_channel_writetrans(chan), &write_transpath));
ast_string_field_set(snapshot, readtrans, ast_translate_path_to_str(ast_channel_readtrans(chan), &read_transpath));
effective_connected_id = ast_channel_connected_effective_id(chan);
ast_string_field_set(snapshot, effective_name,
S_COR(effective_connected_id.name.valid, effective_connected_id.name.str, ""));
ast_string_field_set(snapshot, effective_number,
S_COR(effective_connected_id.number.valid, effective_connected_id.number.str, ""));
if ((callid = ast_channel_callid(chan))) {
ast_callid_strnprint(snapshot->callid, sizeof(snapshot->callid), callid);
ast_callid_unref(callid);
}
snapshot->creationtime = ast_channel_creationtime(chan);
snapshot->hanguptime = *(ast_channel_whentohangup(chan));
snapshot->state = ast_channel_state(chan);
snapshot->priority = ast_channel_priority(chan);
snapshot->amaflags = ast_channel_amaflags(chan);
snapshot->hangupcause = ast_channel_hangupcause(chan);
ast_copy_flags(&snapshot->flags, ast_channel_flags(chan), 0xFFFFFFFF);
snapshot->caller_pres = ast_party_id_presentation(&ast_channel_caller(chan)->id);
snapshot->callgroup = ast_channel_callgroup(chan);
snapshot->pickupgroup = ast_channel_pickupgroup(chan);
ast_set_flag(&snapshot->softhangup_flags, ast_channel_softhangup_internal_flag(chan));
snapshot->manager_vars = ast_channel_get_manager_vars(chan);
snapshot->channel_vars = ast_channel_get_vars(chan);
snapshot->tech_properties = ast_channel_tech(chan)->properties;
return snapshot;
}
