static int chanavail_exec(struct ast_channel *chan, const char *data)
{
int inuse=-1, option_state=0, string_compare=0, option_all_avail=0;
int status;
char *info, tmp[512], trychan[512], *peers, *tech, *number, *rest, *cur;
struct ast_str *tmp_availchan = ast_str_alloca(2048);
struct ast_str *tmp_availorig = ast_str_alloca(2048);
struct ast_str *tmp_availstat = ast_str_alloca(2048);
struct ast_str *tmp_availcause = ast_str_alloca(2048);
struct ast_channel *tempchan;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(reqchans);
AST_APP_ARG(options);
);
static int add_ipv4_ie(struct ast_event **event, enum ast_event_ie_type ie_type,
const struct ast_security_event_ipv4_addr *addr)
{
struct ast_str *str = ast_str_alloca(64);
ast_str_set(&str, 0, "IPV4/");
switch (addr->transport) {
case AST_SECURITY_EVENT_TRANSPORT_UDP:
ast_str_append(&str, 0, "UDP/");
break;
case AST_SECURITY_EVENT_TRANSPORT_TCP:
ast_str_append(&str, 0, "TCP/");
break;
case AST_SECURITY_EVENT_TRANSPORT_TLS:
ast_str_append(&str, 0, "TLS/");
break;
}
ast_str_append(&str, 0, "%s/%hu",
ast_inet_ntoa(addr->sin->sin_addr),
ntohs(addr->sin->sin_port));
return ast_event_append_ie_str(event, ie_type, ast_str_buffer(str));
}
static struct ast_event *alloc_event(const struct ast_security_event_common *sec)
{
struct ast_str *str = ast_str_alloca(TIMESTAMP_STR_LEN);
struct timeval tv = ast_tvnow();
const char *severity_str;
if (check_event_type(sec->event_type)) {
return NULL;
}
encode_timestamp(&str, &tv);
severity_str = S_OR(
ast_security_event_severity_get_name(sec_events[sec->event_type].severity),
"Unknown"
);
return ast_event_new(AST_EVENT_SECURITY,
AST_EVENT_IE_SECURITY_EVENT, AST_EVENT_IE_PLTYPE_UINT, sec->event_type,
AST_EVENT_IE_EVENT_VERSION, AST_EVENT_IE_PLTYPE_UINT, sec->version,
AST_EVENT_IE_EVENT_TV, AST_EVENT_IE_PLTYPE_STR, ast_str_buffer(str),
AST_EVENT_IE_SERVICE, AST_EVENT_IE_PLTYPE_STR, sec->service,
AST_EVENT_IE_SEVERITY, AST_EVENT_IE_PLTYPE_STR, severity_str,
AST_EVENT_IE_END);
}
static int sendtext_exec(struct ast_channel *chan, const char *data)
{
char *status = "UNSUPPORTED";
struct ast_str *str;
/* NOT ast_strlen_zero, because some protocols (e.g. SIP) MUST be able to
* send a zero-length message. */
if (!data) {
ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
return -1;
}
if (!(str = ast_str_alloca(strlen(data) + 1))) {
return -1;
}
ast_str_get_encoded_str(&str, -1, data);
ast_channel_lock(chan);
if (!chan->tech->send_text) {
ast_channel_unlock(chan);
/* Does not support transport */
pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
return 0;
}
status = "FAILURE";
if (!ast_sendtext(chan, ast_str_buffer(str))) {
status = "SUCCESS";
}
ast_channel_unlock(chan);
pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
return 0;
}
/*!
* \brief Ensure that a nonce on an incoming request is sane.
*
* The nonce in an incoming Authorization header needs to pass some scrutiny in order
* for us to consider accepting it. What we do is re-build a nonce based on request
* data and a realm and see if it matches the nonce they sent us.
* \param candidate The nonce on an incoming request
* \param rdata The incoming request
* \param auth The auth credentials we are trying to match against.
* \retval 0 Nonce does not pass validity checks
* \retval 1 Nonce passes validity check
*/
static int check_nonce(const char *candidate, const pjsip_rx_data *rdata, const struct ast_sip_auth *auth)
{
char *copy = ast_strdupa(candidate);
char *timestamp = strsep(©, "/");
int timestamp_int;
time_t now = time(NULL);
struct ast_str *calculated = ast_str_alloca(64);
if (!copy) {
/* Clearly a bad nonce! */
return 0;
}
if (sscanf(timestamp, "%30d", ×tamp_int) != 1) {
return 0;
}
if ((int) now - timestamp_int > auth->nonce_lifetime) {
return 0;
}
build_nonce(&calculated, timestamp, rdata, auth->realm);
ast_debug(3, "Calculated nonce %s. Actual nonce is %s\n", ast_str_buffer(calculated), candidate);
if (strcmp(ast_str_buffer(calculated), candidate)) {
return 0;
}
return 1;
}
static enum ast_test_result_state test_2way_function(struct ast_test *test,
struct ast_channel *c, const char *encode1, const char *encode2,
const char *decode1, const char *decode2)
{
struct ast_str *str = ast_str_create(16), *expression = ast_str_alloca(120);
int okay;
ast_str_set(&expression, 0, "%s%s%s", encode1, "foobarbaz", encode2);
ast_str_substitute_variables(&str, 0, c, ast_str_buffer(expression));
ast_str_set(&expression, 0, "%s%s%s", decode1, ast_str_buffer(str), decode2);
ast_str_substitute_variables(&str, 0, c, ast_str_buffer(expression));
okay = !strcmp(ast_str_buffer(str), "foobarbaz");
ast_test_status_update(test, "Testing '%s%s' and '%s%s' . . . . . %s\n",
encode1, encode2, decode1, decode2,
okay ? "passed" : "FAILED");
if (!okay) {
ast_test_status_update(test, " '%s' != 'foobarbaz'\n",
ast_str_buffer(str));
}
ast_free(str);
return okay ? AST_TEST_PASS : AST_TEST_FAIL;
}
static void ast_eivr_getvariable(struct ast_channel *chan, char *data, char *outbuf, int outbuflen)
{
/* original input data: "G,var1,var2," */
/* data passed as "data": "var1,var2" */
char *inbuf, *variable;
const char *value;
int j;
struct ast_str *newstring = ast_str_alloca(outbuflen);
outbuf[0] = '\0';
for (j = 1, inbuf = data; ; j++) {
variable = strsep(&inbuf, ",");
if (variable == NULL) {
int outstrlen = strlen(outbuf);
if (outstrlen && outbuf[outstrlen - 1] == ',') {
outbuf[outstrlen - 1] = 0;
}
break;
}
ast_channel_lock(chan);
if (!(value = pbx_builtin_getvar_helper(chan, variable))) {
value = "";
}
ast_str_append(&newstring, 0, "%s=%s,", variable, value);
ast_channel_unlock(chan);
ast_copy_string(outbuf, ast_str_buffer(newstring), outbuflen);
}
}
static int add_timeval_ie(struct ast_event **event, enum ast_event_ie_type ie_type,
const struct timeval *tv)
{
struct ast_str *str = ast_str_alloca(TIMESTAMP_STR_LEN);
encode_timestamp(&str, tv);
return ast_event_append_ie_str(event, ie_type, ast_str_buffer(str));
}
/*!
* \brief Calculate a nonce
*
* We use this in order to create authentication challenges. We also use this in order
* to verify that an incoming request with credentials could be in response to one
* of our challenges.
*
* The nonce is calculated from a timestamp, the source IP address, the source port, a
* unique ID for us, and the realm. This helps to ensure that the incoming request
* is from the same source that the nonce was calculated for. Including the realm
* ensures that multiple challenges to the same request have different nonces.
*
* \param A UNIX timestamp expressed as a string
* \param rdata The incoming request
* \param realm The realm for which authentication should occur
*/
static int build_nonce(struct ast_str **nonce, const char *timestamp, const pjsip_rx_data *rdata, const char *realm)
{
struct ast_str *str = ast_str_alloca(256);
RAII_VAR(char *, eid, ao2_global_obj_ref(entity_id), ao2_cleanup);
char hash[32];
ast_str_append(&str, 0, "%s", timestamp);
ast_str_append(&str, 0, ":%s", rdata->pkt_info.src_name);
ast_str_append(&str, 0, ":%d", rdata->pkt_info.src_port);
ast_str_append(&str, 0, ":%s", eid);
ast_str_append(&str, 0, ":%s", realm);
ast_md5_hash(hash, ast_str_buffer(str));
ast_str_append(nonce, 0, "%s/%s", timestamp, hash);
return 0;
}
/*!
* \brief astobj2 callback for adding digest challenges to responses
*
* \param realm An auth's realm to build a challenge from
* \param tdata The response to add the challenge to
* \param rdata The request the challenge is in response to
* \param is_stale Indicates whether nonce on incoming request was stale
*/
static void challenge(const char *realm, pjsip_tx_data *tdata, const pjsip_rx_data *rdata, int is_stale)
{
pj_str_t qop;
pj_str_t pj_nonce;
pjsip_auth_srv auth_server;
struct ast_str *nonce = ast_str_alloca(256);
char time_buf[32];
time_t timestamp = time(NULL);
snprintf(time_buf, sizeof(time_buf), "%d", (int) timestamp);
build_nonce(&nonce, time_buf, rdata, realm);
setup_auth_srv(tdata->pool, &auth_server, realm);
pj_cstr(&pj_nonce, ast_str_buffer(nonce));
pj_cstr(&qop, "auth");
pjsip_auth_srv_challenge(&auth_server, &qop, &pj_nonce, NULL, is_stale ? PJ_TRUE : PJ_FALSE, tdata);
}
struct ast_json *ast_json_ipaddr(const struct ast_sockaddr *addr, enum ast_transport transport_type)
{
struct ast_str *string = ast_str_alloca(64);
if (!string) {
return NULL;
}
ast_str_set(&string, 0, (ast_sockaddr_is_ipv4(addr) ||
ast_sockaddr_is_ipv4_mapped(addr)) ? "IPV4/" : "IPV6/");
if (transport_type) {
char *transport_string = NULL;
/* NOTE: None will be applied if multiple transport types are specified in transport_type */
switch(transport_type) {
case AST_TRANSPORT_UDP:
transport_string = "UDP";
break;
case AST_TRANSPORT_TCP:
transport_string = "TCP";
break;
case AST_TRANSPORT_TLS:
transport_string = "TLS";
break;
case AST_TRANSPORT_WS:
transport_string = "WS";
break;
case AST_TRANSPORT_WSS:
transport_string = "WSS";
break;
}
if (transport_string) {
ast_str_append(&string, 0, "%s/", transport_string);
}
}
ast_str_append(&string, 0, "%s", ast_sockaddr_stringify_addr(addr));
ast_str_append(&string, 0, "/%s", ast_sockaddr_stringify_port(addr));
return ast_json_string_create(ast_str_buffer(string));
}
static pjmedia_sdp_attr* generate_fmtp_attr(pj_pool_t *pool, struct ast_format *format, int rtp_code)
{
struct ast_str *fmtp0 = ast_str_alloca(256);
pj_str_t fmtp1;
pjmedia_sdp_attr *attr = NULL;
char *tmp;
ast_format_generate_sdp_fmtp(format, rtp_code, &fmtp0);
if (ast_str_strlen(fmtp0)) {
tmp = ast_str_buffer(fmtp0) + ast_str_strlen(fmtp0) - 1;
/* remove any carriage return line feeds */
while (*tmp == '\r' || *tmp == '\n') --tmp;
*++tmp = '\0';
/* ast...generate gives us everything, just need value */
tmp = strchr(ast_str_buffer(fmtp0), ':');
if (tmp && tmp + 1) {
fmtp1 = pj_str(tmp + 1);
} else {
fmtp1 = pj_str(ast_str_buffer(fmtp0));
}
attr = pjmedia_sdp_attr_create(pool, "fmtp", &fmtp1);
}
return attr;
}
static int set_caps(struct ast_sip_session *session, struct ast_sip_session_media *session_media,
const struct pjmedia_sdp_media *stream)
{
RAII_VAR(struct ast_format_cap *, caps, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, peer, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, joint, NULL, ao2_cleanup);
enum ast_media_type media_type = stream_to_media_type(session_media->stream_type);
struct ast_rtp_codecs codecs = AST_RTP_CODECS_NULL_INIT;
int fmts = 0;
int direct_media_enabled = !ast_sockaddr_isnull(&session_media->direct_media_addr) &&
ast_format_cap_count(session->direct_media_cap);
int dsp_features = 0;
if (!(caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT)) ||
!(peer = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT)) ||
!(joint = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
ast_log(LOG_ERROR, "Failed to allocate %s capabilities\n", session_media->stream_type);
return -1;
}
/* get the endpoint capabilities */
if (direct_media_enabled) {
ast_format_cap_get_compatible(session->endpoint->media.codecs, session->direct_media_cap, caps);
format_cap_only_type(caps, media_type);
} else {
ast_format_cap_append_from_cap(caps, session->endpoint->media.codecs, media_type);
}
/* get the capabilities on the peer */
get_codecs(session, stream, &codecs, session_media);
ast_rtp_codecs_payload_formats(&codecs, peer, &fmts);
/* get the joint capabilities between peer and endpoint */
ast_format_cap_get_compatible(caps, peer, joint);
if (!ast_format_cap_count(joint)) {
struct ast_str *usbuf = ast_str_alloca(256);
struct ast_str *thembuf = ast_str_alloca(256);
ast_rtp_codecs_payloads_destroy(&codecs);
ast_log(LOG_NOTICE, "No joint capabilities for '%s' media stream between our configuration(%s) and incoming SDP(%s)\n",
session_media->stream_type,
ast_format_cap_get_names(caps, &usbuf),
ast_format_cap_get_names(peer, &thembuf));
return -1;
}
ast_rtp_codecs_payloads_copy(&codecs, ast_rtp_instance_get_codecs(session_media->rtp),
session_media->rtp);
ast_format_cap_append_from_cap(session->req_caps, joint, AST_MEDIA_TYPE_UNKNOWN);
if (session->channel) {
ast_channel_lock(session->channel);
ast_format_cap_remove_by_type(caps, AST_MEDIA_TYPE_UNKNOWN);
ast_format_cap_append_from_cap(caps, ast_channel_nativeformats(session->channel),
AST_MEDIA_TYPE_UNKNOWN);
ast_format_cap_remove_by_type(caps, media_type);
ast_format_cap_append_from_cap(caps, joint, media_type);
/*
* Apply the new formats to the channel, potentially changing
* raw read/write formats and translation path while doing so.
*/
ast_channel_nativeformats_set(session->channel, caps);
if (media_type == AST_MEDIA_TYPE_AUDIO) {
ast_set_read_format(session->channel, ast_channel_readformat(session->channel));
ast_set_write_format(session->channel, ast_channel_writeformat(session->channel));
}
if ((session->endpoint->dtmf == AST_SIP_DTMF_AUTO)
&& (ast_rtp_instance_dtmf_mode_get(session_media->rtp) == AST_RTP_DTMF_MODE_RFC2833)
&& (session->dsp)) {
dsp_features = ast_dsp_get_features(session->dsp);
dsp_features &= ~DSP_FEATURE_DIGIT_DETECT;
if (dsp_features) {
ast_dsp_set_features(session->dsp, dsp_features);
} else {
ast_dsp_free(session->dsp);
session->dsp = NULL;
}
}
ast_channel_unlock(session->channel);
}
ast_rtp_codecs_payloads_destroy(&codecs);
return 0;
}
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;
}
static int native_rtp_bridge_compatible_check(struct ast_bridge *bridge, struct ast_bridge_channel *bc0, struct ast_bridge_channel *bc1)
{
enum ast_rtp_glue_result native_type;
struct ast_rtp_glue *glue0;
struct ast_rtp_glue *glue1;
RAII_VAR(struct ast_rtp_instance *, instance0, NULL, ao2_cleanup);
RAII_VAR(struct ast_rtp_instance *, instance1, NULL, ao2_cleanup);
RAII_VAR(struct ast_rtp_instance *, vinstance0, NULL, ao2_cleanup);
RAII_VAR(struct ast_rtp_instance *, vinstance1, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, cap0, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, cap1, NULL, ao2_cleanup);
int read_ptime0;
int read_ptime1;
int write_ptime0;
int write_ptime1;
if (!native_rtp_bridge_capable(bc0->chan)) {
ast_debug(1, "Bridge '%s' can not use native RTP bridge as channel '%s' has features which prevent it\n",
bridge->uniqueid, ast_channel_name(bc0->chan));
return 0;
}
if (!native_rtp_bridge_capable(bc1->chan)) {
ast_debug(1, "Bridge '%s' can not use native RTP bridge as channel '%s' has features which prevent it\n",
bridge->uniqueid, ast_channel_name(bc1->chan));
return 0;
}
native_type = native_rtp_bridge_get(bc0->chan, bc1->chan, &glue0, &glue1,
&instance0, &instance1, &vinstance0, &vinstance1);
if (native_type == AST_RTP_GLUE_RESULT_FORBID) {
ast_debug(1, "Bridge '%s' can not use native RTP bridge as it was forbidden while getting details\n",
bridge->uniqueid);
return 0;
}
if (ao2_container_count(bc0->features->dtmf_hooks)
&& ast_rtp_instance_dtmf_mode_get(instance0)) {
ast_debug(1, "Bridge '%s' can not use native RTP bridge as channel '%s' has DTMF hooks\n",
bridge->uniqueid, ast_channel_name(bc0->chan));
return 0;
}
if (ao2_container_count(bc1->features->dtmf_hooks)
&& ast_rtp_instance_dtmf_mode_get(instance1)) {
ast_debug(1, "Bridge '%s' can not use native RTP bridge as channel '%s' has DTMF hooks\n",
bridge->uniqueid, ast_channel_name(bc1->chan));
return 0;
}
if (native_type == AST_RTP_GLUE_RESULT_LOCAL
&& (ast_rtp_instance_get_engine(instance0)->local_bridge
!= ast_rtp_instance_get_engine(instance1)->local_bridge
|| (ast_rtp_instance_get_engine(instance0)->dtmf_compatible
&& !ast_rtp_instance_get_engine(instance0)->dtmf_compatible(bc0->chan,
instance0, bc1->chan, instance1)))) {
ast_debug(1, "Bridge '%s' can not use local native RTP bridge as local bridge or DTMF is not compatible\n",
bridge->uniqueid);
return 0;
}
cap0 = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
cap1 = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
if (!cap0 || !cap1) {
return 0;
}
/* Make sure that codecs match */
if (glue0->get_codec) {
glue0->get_codec(bc0->chan, cap0);
}
if (glue1->get_codec) {
glue1->get_codec(bc1->chan, cap1);
}
if (ast_format_cap_count(cap0) != 0
&& ast_format_cap_count(cap1) != 0
&& !ast_format_cap_iscompatible(cap0, cap1)) {
struct ast_str *codec_buf0 = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
struct ast_str *codec_buf1 = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
ast_debug(1, "Bridge '%s': Channel codec0 = %s is not codec1 = %s, cannot native bridge in RTP.\n",
bridge->uniqueid,
ast_format_cap_get_names(cap0, &codec_buf0),
ast_format_cap_get_names(cap1, &codec_buf1));
return 0;
}
read_ptime0 = ast_format_cap_get_format_framing(cap0, ast_channel_rawreadformat(bc0->chan));
read_ptime1 = ast_format_cap_get_format_framing(cap1, ast_channel_rawreadformat(bc1->chan));
write_ptime0 = ast_format_cap_get_format_framing(cap0, ast_channel_rawwriteformat(bc0->chan));
write_ptime1 = ast_format_cap_get_format_framing(cap1, ast_channel_rawwriteformat(bc1->chan));
if (read_ptime0 != write_ptime1 || read_ptime1 != write_ptime0) {
ast_debug(1, "Bridge '%s': Packetization differs between RTP streams (%d != %d or %d != %d). Cannot native bridge in RTP\n",
bridge->uniqueid,
read_ptime0, write_ptime1, read_ptime1, write_ptime0);
return 0;
}
return 1;
}
static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
{
long elapsed_seconds = 0;
int hour = 0, min = 0, sec = 0;
struct ast_str *format_buf = ast_str_alloca(64);
char cgrp[256];
char pgrp[256];
struct ast_str *write_transpath = ast_str_alloca(256);
struct ast_str *read_transpath = ast_str_alloca(256);
struct ast_bridge *bridge;
memset(buf, 0, size);
if (!c)
return 0;
elapsed_seconds = ast_channel_get_duration(c);
hour = elapsed_seconds / 3600;
min = (elapsed_seconds % 3600) / 60;
sec = elapsed_seconds % 60;
ast_channel_lock(c);
bridge = ast_channel_get_bridge(c);
ast_channel_unlock(c);
snprintf(buf,size,
"Name= %s\n"
"Type= %s\n"
"UniqueID= %s\n"
"LinkedID= %s\n"
"CallerIDNum= %s\n"
"CallerIDName= %s\n"
"ConnectedLineIDNum= %s\n"
"ConnectedLineIDName=%s\n"
"DNIDDigits= %s\n"
"RDNIS= %s\n"
"Parkinglot= %s\n"
"Language= %s\n"
"State= %s (%u)\n"
"Rings= %d\n"
"NativeFormat= %s\n"
"WriteFormat= %s\n"
"ReadFormat= %s\n"
"RawWriteFormat= %s\n"
"RawReadFormat= %s\n"
"WriteTranscode= %s %s\n"
"ReadTranscode= %s %s\n"
"1stFileDescriptor= %d\n"
"Framesin= %u %s\n"
"Framesout= %u %s\n"
"TimetoHangup= %ld\n"
"ElapsedTime= %dh%dm%ds\n"
"BridgeID= %s\n"
"Context= %s\n"
"Extension= %s\n"
"Priority= %d\n"
"CallGroup= %s\n"
"PickupGroup= %s\n"
"Application= %s\n"
"Data= %s\n"
"Blocking_in= %s\n",
ast_channel_name(c),
ast_channel_tech(c)->type,
ast_channel_uniqueid(c),
ast_channel_linkedid(c),
S_COR(ast_channel_caller(c)->id.number.valid, ast_channel_caller(c)->id.number.str, "(N/A)"),
S_COR(ast_channel_caller(c)->id.name.valid, ast_channel_caller(c)->id.name.str, "(N/A)"),
S_COR(ast_channel_connected(c)->id.number.valid, ast_channel_connected(c)->id.number.str, "(N/A)"),
S_COR(ast_channel_connected(c)->id.name.valid, ast_channel_connected(c)->id.name.str, "(N/A)"),
S_OR(ast_channel_dialed(c)->number.str, "(N/A)"),
S_COR(ast_channel_redirecting(c)->from.number.valid, ast_channel_redirecting(c)->from.number.str, "(N/A)"),
ast_channel_parkinglot(c),
ast_channel_language(c),
ast_state2str(ast_channel_state(c)),
ast_channel_state(c),
ast_channel_rings(c),
ast_format_cap_get_names(ast_channel_nativeformats(c), &format_buf),
ast_format_get_name(ast_channel_writeformat(c)),
ast_format_get_name(ast_channel_readformat(c)),
ast_format_get_name(ast_channel_rawwriteformat(c)),
ast_format_get_name(ast_channel_rawreadformat(c)),
ast_channel_writetrans(c) ? "Yes" : "No",
ast_translate_path_to_str(ast_channel_writetrans(c), &write_transpath),
ast_channel_readtrans(c) ? "Yes" : "No",
ast_translate_path_to_str(ast_channel_readtrans(c), &read_transpath),
ast_channel_fd(c, 0),
ast_channel_fin(c) & ~DEBUGCHAN_FLAG, (ast_channel_fin(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
ast_channel_fout(c) & ~DEBUGCHAN_FLAG, (ast_channel_fout(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
(long)ast_channel_whentohangup(c)->tv_sec,
hour,
min,
sec,
bridge ? bridge->uniqueid : "(Not bridged)",
ast_channel_context(c),
ast_channel_exten(c),
ast_channel_priority(c),
ast_print_group(cgrp, sizeof(cgrp), ast_channel_callgroup(c)),
ast_print_group(pgrp, sizeof(pgrp), ast_channel_pickupgroup(c)),
ast_channel_appl(c) ? ast_channel_appl(c) : "(N/A)",
ast_channel_data(c) ? S_OR(ast_channel_data(c), "(Empty)") : "(None)",
(ast_test_flag(ast_channel_flags(c), AST_FLAG_BLOCKING) ? ast_channel_blockproc(c) : "(Not Blocking)"));
ao2_cleanup(bridge);
return 0;
}
static int func_channel_read(struct ast_channel *chan, const char *function,
char *data, char *buf, size_t len)
{
int ret = 0;
struct ast_format_cap *tmpcap;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
if (!strcasecmp(data, "audionativeformat")) {
tmpcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
if (tmpcap) {
struct ast_str *codec_buf = ast_str_alloca(128);
ast_channel_lock(chan);
ast_format_cap_append_from_cap(tmpcap, ast_channel_nativeformats(chan), AST_MEDIA_TYPE_AUDIO);
ast_channel_unlock(chan);
ast_copy_string(buf, ast_format_cap_get_names(tmpcap, &codec_buf), len);
ao2_ref(tmpcap, -1);
}
} else if (!strcasecmp(data, "videonativeformat")) {
tmpcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
if (tmpcap) {
struct ast_str *codec_buf = ast_str_alloca(128);
ast_channel_lock(chan);
ast_format_cap_append_from_cap(tmpcap, ast_channel_nativeformats(chan), AST_MEDIA_TYPE_VIDEO);
ast_channel_unlock(chan);
ast_copy_string(buf, ast_format_cap_get_names(tmpcap, &codec_buf), len);
ao2_ref(tmpcap, -1);
}
} else if (!strcasecmp(data, "audioreadformat")) {
locked_copy_string(chan, buf, ast_format_get_name(ast_channel_readformat(chan)), len);
} else if (!strcasecmp(data, "audiowriteformat")) {
locked_copy_string(chan, buf, ast_format_get_name(ast_channel_writeformat(chan)), len);
#ifdef CHANNEL_TRACE
} else if (!strcasecmp(data, "trace")) {
locked_copy_string(chan, buf, ast_channel_trace_is_enabled(chan) ? "1" : "0", len);
#endif
} else if (!strcasecmp(data, "tonezone") && ast_channel_zone(chan)) {
locked_copy_string(chan, buf, ast_channel_zone(chan)->country, len);
} else if (!strcasecmp(data, "dtmf_features")) {
if (ast_bridge_features_ds_get_string(chan, buf, len)) {
buf[0] = '\0';
}
} else if (!strcasecmp(data, "language"))
locked_copy_string(chan, buf, ast_channel_language(chan), len);
else if (!strcasecmp(data, "musicclass"))
locked_copy_string(chan, buf, ast_channel_musicclass(chan), len);
else if (!strcasecmp(data, "name")) {
locked_copy_string(chan, buf, ast_channel_name(chan), len);
} else if (!strcasecmp(data, "parkinglot"))
locked_copy_string(chan, buf, ast_channel_parkinglot(chan), len);
else if (!strcasecmp(data, "state"))
locked_copy_string(chan, buf, ast_state2str(ast_channel_state(chan)), len);
else if (!strcasecmp(data, "onhold")) {
locked_copy_string(chan, buf,
ast_channel_hold_state(chan) == AST_CONTROL_HOLD ? "1" : "0", len);
} else if (!strcasecmp(data, "channeltype"))
locked_copy_string(chan, buf, ast_channel_tech(chan)->type, len);
else if (!strcasecmp(data, "accountcode"))
locked_copy_string(chan, buf, ast_channel_accountcode(chan), len);
else if (!strcasecmp(data, "checkhangup")) {
locked_copy_string(chan, buf, ast_check_hangup(chan) ? "1" : "0", len);
} else if (!strcasecmp(data, "peeraccount"))
locked_copy_string(chan, buf, ast_channel_peeraccount(chan), len);
else if (!strcasecmp(data, "hangupsource"))
locked_copy_string(chan, buf, ast_channel_hangupsource(chan), len);
else if (!strcasecmp(data, "appname") && ast_channel_appl(chan))
locked_copy_string(chan, buf, ast_channel_appl(chan), len);
else if (!strcasecmp(data, "appdata") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_data(chan), len);
else if (!strcasecmp(data, "exten") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_exten(chan), len);
else if (!strcasecmp(data, "context") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_context(chan), len);
else if (!strcasecmp(data, "userfield") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_userfield(chan), len);
else if (!strcasecmp(data, "channame") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_name(chan), len);
else if (!strcasecmp(data, "linkedid")) {
ast_channel_lock(chan);
if (ast_strlen_zero(ast_channel_linkedid(chan))) {
/* fall back on the channel's uniqueid if linkedid is unset */
ast_copy_string(buf, ast_channel_uniqueid(chan), len);
}
else {
ast_copy_string(buf, ast_channel_linkedid(chan), len);
}
ast_channel_unlock(chan);
} else if (!strcasecmp(data, "peer")) {
struct ast_channel *peer;
peer = ast_channel_bridge_peer(chan);
if (peer) {
/* Only real channels could have a bridge peer this way. */
ast_channel_lock(peer);
ast_copy_string(buf, ast_channel_name(peer), len);
ast_channel_unlock(peer);
ast_channel_unref(peer);
} else {
buf[0] = '\0';
ast_channel_lock(chan);
if (!ast_channel_tech(chan)) {
const char *pname;
/*
* A dummy channel can still pass along bridged peer info
* via the BRIDGEPEER variable.
*
* A horrible kludge, but... how else?
*/
pname = pbx_builtin_getvar_helper(chan, "BRIDGEPEER");
if (!ast_strlen_zero(pname)) {
ast_copy_string(buf, pname, len);
}
}
ast_channel_unlock(chan);
}
} else if (!strcasecmp(data, "uniqueid")) {
locked_copy_string(chan, buf, ast_channel_uniqueid(chan), len);
} else if (!strcasecmp(data, "transfercapability")) {
locked_copy_string(chan, buf, transfercapability_table[ast_channel_transfercapability(chan) & 0x1f], len);
} else if (!strcasecmp(data, "callgroup")) {
char groupbuf[256];
locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_callgroup(chan)), len);
} else if (!strcasecmp(data, "pickupgroup")) {
char groupbuf[256];
locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_pickupgroup(chan)), len);
} else if (!strcasecmp(data, "namedcallgroup")) {
struct ast_str *tmp_str = ast_str_alloca(1024);
locked_copy_string(chan, buf, ast_print_namedgroups(&tmp_str, ast_channel_named_callgroups(chan)), len);
} else if (!strcasecmp(data, "namedpickupgroup")) {
struct ast_str *tmp_str = ast_str_alloca(1024);
locked_copy_string(chan, buf, ast_print_namedgroups(&tmp_str, ast_channel_named_pickupgroups(chan)), len);
} else if (!strcasecmp(data, "after_bridge_goto")) {
ast_bridge_read_after_goto(chan, buf, len);
} else if (!strcasecmp(data, "amaflags")) {
ast_channel_lock(chan);
snprintf(buf, len, "%u", ast_channel_amaflags(chan));
ast_channel_unlock(chan);
} else if (!strncasecmp(data, "secure_bridge_", 14)) {
struct ast_datastore *ds;
buf[0] = '\0';
ast_channel_lock(chan);
if ((ds = ast_channel_datastore_find(chan, &secure_call_info, NULL))) {
struct ast_secure_call_store *encrypt = ds->data;
if (!strcasecmp(data, "secure_bridge_signaling")) {
snprintf(buf, len, "%s", encrypt->signaling ? "1" : "");
} else if (!strcasecmp(data, "secure_bridge_media")) {
snprintf(buf, len, "%s", encrypt->media ? "1" : "");
}
}
ast_channel_unlock(chan);
} else if (!strcasecmp(data, "max_forwards")) {
ast_channel_lock(chan);
snprintf(buf, len, "%d", ast_max_forwards_get(chan));
ast_channel_unlock(chan);
} else if (!ast_channel_tech(chan) || !ast_channel_tech(chan)->func_channel_read || ast_channel_tech(chan)->func_channel_read(chan, function, data, buf, len)) {
ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data);
ret = -1;
}
return ret;
}
static int set_caps(struct ast_sip_session *session, struct ast_sip_session_media *session_media,
const struct pjmedia_sdp_media *stream)
{
RAII_VAR(struct ast_format_cap *, caps, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, peer, NULL, ao2_cleanup);
RAII_VAR(struct ast_format_cap *, joint, NULL, ao2_cleanup);
enum ast_media_type media_type = stream_to_media_type(session_media->stream_type);
struct ast_rtp_codecs codecs = AST_RTP_CODECS_NULL_INIT;
int fmts = 0;
int direct_media_enabled = !ast_sockaddr_isnull(&session_media->direct_media_addr) &&
ast_format_cap_count(session->direct_media_cap);
if (!(caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT)) ||
!(peer = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT)) ||
!(joint = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
ast_log(LOG_ERROR, "Failed to allocate %s capabilities\n", session_media->stream_type);
return -1;
}
/* get the endpoint capabilities */
if (direct_media_enabled) {
ast_format_cap_get_compatible(session->endpoint->media.codecs, session->direct_media_cap, caps);
format_cap_only_type(caps, media_type);
} else {
ast_format_cap_append_from_cap(caps, session->endpoint->media.codecs, media_type);
}
/* get the capabilities on the peer */
get_codecs(session, stream, &codecs);
ast_rtp_codecs_payload_formats(&codecs, peer, &fmts);
/* get the joint capabilities between peer and endpoint */
ast_format_cap_get_compatible(caps, peer, joint);
if (!ast_format_cap_count(joint)) {
struct ast_str *usbuf = ast_str_alloca(64);
struct ast_str *thembuf = ast_str_alloca(64);
ast_rtp_codecs_payloads_destroy(&codecs);
ast_log(LOG_NOTICE, "No joint capabilities for '%s' media stream between our configuration(%s) and incoming SDP(%s)\n",
session_media->stream_type,
ast_format_cap_get_names(caps, &usbuf),
ast_format_cap_get_names(peer, &thembuf));
return -1;
}
ast_rtp_codecs_payloads_copy(&codecs, ast_rtp_instance_get_codecs(session_media->rtp),
session_media->rtp);
ast_format_cap_append_from_cap(session->req_caps, joint, AST_MEDIA_TYPE_UNKNOWN);
if (session->channel) {
struct ast_format *fmt;
ast_channel_lock(session->channel);
ast_format_cap_remove_by_type(caps, AST_MEDIA_TYPE_UNKNOWN);
ast_format_cap_append_from_cap(caps, ast_channel_nativeformats(session->channel), AST_MEDIA_TYPE_UNKNOWN);
ast_format_cap_remove_by_type(caps, media_type);
/*
* XXX Historically we picked the "best" joint format to use
* and stuck with it. It would be nice to just append the
* determined joint media capabilities to give translation
* more formats to choose from when necessary. Unfortunately,
* there are some areas of the system where this doesn't work
* very well. (The softmix bridge in particular is reluctant
* to pick higher fidelity formats and has a problem with
* asymmetric sample rates.)
*/
fmt = ast_format_cap_get_format(joint, 0);
ast_format_cap_append(caps, fmt, 0);
/*
* Apply the new formats to the channel, potentially changing
* raw read/write formats and translation path while doing so.
*/
ast_channel_nativeformats_set(session->channel, caps);
ast_set_read_format(session->channel, ast_channel_readformat(session->channel));
ast_set_write_format(session->channel, ast_channel_writeformat(session->channel));
ast_channel_unlock(session->channel);
ao2_ref(fmt, -1);
}
ast_rtp_codecs_payloads_destroy(&codecs);
return 0;
}
static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
{
struct timeval now;
long elapsed_seconds = 0;
int hour = 0, min = 0, sec = 0;
char nf[256];
char cgrp[256];
char pgrp[256];
struct ast_str *write_transpath = ast_str_alloca(256);
struct ast_str *read_transpath = ast_str_alloca(256);
now = ast_tvnow();
memset(buf, 0, size);
if (!c)
return 0;
if (c->cdr) {
elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
hour = elapsed_seconds / 3600;
min = (elapsed_seconds % 3600) / 60;
sec = elapsed_seconds % 60;
}
snprintf(buf,size,
"Name= %s\n"
"Type= %s\n"
"UniqueID= %s\n"
"LinkedID= %s\n"
"CallerIDNum= %s\n"
"CallerIDName= %s\n"
"ConnectedLineIDNum= %s\n"
"ConnectedLineIDName=%s\n"
"DNIDDigits= %s\n"
"RDNIS= %s\n"
"Parkinglot= %s\n"
"Language= %s\n"
"State= %s (%d)\n"
"Rings= %d\n"
"NativeFormat= %s\n"
"WriteFormat= %s\n"
"ReadFormat= %s\n"
"RawWriteFormat= %s\n"
"RawReadFormat= %s\n"
"WriteTranscode= %s %s\n"
"ReadTranscode= %s %s\n"
"1stFileDescriptor= %d\n"
"Framesin= %d %s\n"
"Framesout= %d %s\n"
"TimetoHangup= %ld\n"
"ElapsedTime= %dh%dm%ds\n"
"DirectBridge= %s\n"
"IndirectBridge= %s\n"
"Context= %s\n"
"Extension= %s\n"
"Priority= %d\n"
"CallGroup= %s\n"
"PickupGroup= %s\n"
"Application= %s\n"
"Data= %s\n"
"Blocking_in= %s\n",
c->name,
c->tech->type,
c->uniqueid,
c->linkedid,
S_COR(c->caller.id.number.valid, c->caller.id.number.str, "(N/A)"),
S_COR(c->caller.id.name.valid, c->caller.id.name.str, "(N/A)"),
S_COR(c->connected.id.number.valid, c->connected.id.number.str, "(N/A)"),
S_COR(c->connected.id.name.valid, c->connected.id.name.str, "(N/A)"),
S_OR(c->dialed.number.str, "(N/A)"),
S_COR(c->redirecting.from.number.valid, c->redirecting.from.number.str, "(N/A)"),
c->parkinglot,
c->language,
ast_state2str(c->_state),
c->_state,
c->rings,
ast_getformatname_multiple(nf, sizeof(nf), c->nativeformats),
ast_getformatname(&c->writeformat),
ast_getformatname(&c->readformat),
ast_getformatname(&c->rawwriteformat),
ast_getformatname(&c->rawreadformat),
c->writetrans ? "Yes" : "No",
ast_translate_path_to_str(c->writetrans, &write_transpath),
c->readtrans ? "Yes" : "No",
ast_translate_path_to_str(c->readtrans, &read_transpath),
c->fds[0],
c->fin & ~DEBUGCHAN_FLAG, (c->fin & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
c->fout & ~DEBUGCHAN_FLAG, (c->fout & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
(long)c->whentohangup.tv_sec,
hour,
min,
sec,
c->_bridge ? c->_bridge->name : "<none>",
ast_bridged_channel(c) ? ast_bridged_channel(c)->name : "<none>",
c->context,
c->exten,
c->priority,
ast_print_group(cgrp, sizeof(cgrp), c->callgroup),
ast_print_group(pgrp, sizeof(pgrp), c->pickupgroup),
c->appl ? c->appl : "(N/A)",
c->data ? S_OR(c->data, "(Empty)") : "(None)",
(ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
return 0;
}
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);
if (header_simple_table(vp, name, length, exact, var_len, write_method, ast_active_channels()))
return NULL;
i = name[*length - 1] - 1;
for (chan = ast_channel_walk_locked(NULL);
chan && i;
chan = ast_channel_walk_locked(chan), i--)
ast_channel_unlock(chan);
if (chan == NULL)
return NULL;
*var_len = sizeof(long_ret);
switch (vp->magic) {
case ASTCHANINDEX:
long_ret = name[*length - 1];
ret = (u_char *)&long_ret;
break;
case ASTCHANNAME:
if (!ast_strlen_zero(chan->name)) {
strncpy(string_ret, chan->name, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANLANGUAGE:
if (!ast_strlen_zero(chan->language)) {
strncpy(string_ret, chan->language, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANTYPE:
strncpy(string_ret, chan->tech->type, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMUSICCLASS:
if (!ast_strlen_zero(chan->musicclass)) {
strncpy(string_ret, chan->musicclass, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANBRIDGE:
if ((bridge = ast_bridged_channel(chan)) != NULL) {
strncpy(string_ret, bridge->name, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQ:
if (chan->masq && !ast_strlen_zero(chan->masq->name)) {
strncpy(string_ret, chan->masq->name, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQR:
if (chan->masqr && !ast_strlen_zero(chan->masqr->name)) {
strncpy(string_ret, chan->masqr->name, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANWHENHANGUP:
if (!ast_tvzero(chan->whentohangup)) {
gettimeofday(&tval, NULL);
long_ret = difftime(chan->whentohangup.tv_sec, tval.tv_sec) * 100 - tval.tv_usec / 10000;
ret= (u_char *)&long_ret;
}
break;
case ASTCHANAPP:
if (chan->appl) {
strncpy(string_ret, chan->appl, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANDATA:
if (chan->data) {
strncpy(string_ret, chan->data, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCONTEXT:
strncpy(string_ret, chan->context, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROCONTEXT:
strncpy(string_ret, chan->macrocontext, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROEXTEN:
strncpy(string_ret, chan->macroexten, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROPRI:
long_ret = chan->macropriority;
ret = (u_char *)&long_ret;
break;
case ASTCHANEXTEN:
strncpy(string_ret, chan->exten, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANPRI:
long_ret = chan->priority;
ret = (u_char *)&long_ret;
break;
case ASTCHANACCOUNTCODE:
if (!ast_strlen_zero(chan->accountcode)) {
strncpy(string_ret, chan->accountcode, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANFORWARDTO:
if (!ast_strlen_zero(chan->call_forward)) {
strncpy(string_ret, chan->call_forward, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANUNIQUEID:
strncpy(string_ret, chan->uniqueid, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANCALLGROUP:
long_ret = chan->callgroup;
ret = (u_char *)&long_ret;
break;
case ASTCHANPICKUPGROUP:
long_ret = chan->pickupgroup;
ret = (u_char *)&long_ret;
break;
case ASTCHANSTATE:
long_ret = chan->_state & 0xffff;
ret = (u_char *)&long_ret;
break;
case ASTCHANMUTED:
long_ret = chan->_state & AST_STATE_MUTE ? 1 : 2;
ret = (u_char *)&long_ret;
break;
case ASTCHANRINGS:
long_ret = chan->rings;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDDNID:
if (chan->cid.cid_dnid) {
strncpy(string_ret, chan->cid.cid_dnid, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNUM:
if (chan->cid.cid_num) {
strncpy(string_ret, chan->cid.cid_num, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNAME:
if (chan->cid.cid_name) {
strncpy(string_ret, chan->cid.cid_name, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDANI:
if (chan->cid.cid_ani) {
strncpy(string_ret, chan->cid.cid_ani, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDRDNIS:
if (chan->cid.cid_rdnis) {
strncpy(string_ret, chan->cid.cid_rdnis, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDPRES:
long_ret = chan->cid.cid_pres;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDANI2:
long_ret = chan->cid.cid_ani2;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTON:
long_ret = chan->cid.cid_ton;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTNS:
long_ret = chan->cid.cid_tns;
ret = (u_char *)&long_ret;
break;
case ASTCHANAMAFLAGS:
long_ret = chan->amaflags;
ret = (u_char *)&long_ret;
break;
case ASTCHANADSI:
long_ret = chan->adsicpe;
ret = (u_char *)&long_ret;
break;
case ASTCHANTONEZONE:
if (chan->zone) {
strncpy(string_ret, chan->zone->country, sizeof(string_ret));
string_ret[sizeof(string_ret) - 1] = '\0';
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANHANGUPCAUSE:
long_ret = chan->hangupcause;
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] |= ((chan->flags & (1 << bit)) >> bit) << (7 - bit);
bits_ret[1] = 0;
for (bit = 0; bit < 8; bit++)
bits_ret[1] |= (((chan->flags >> 8) & (1 << bit)) >> bit) << (7 - bit);
*var_len = 2;
ret = bits_ret;
break;
case ASTCHANTRANSFERCAP:
long_ret = chan->transfercapability;
ret = (u_char *)&long_ret;
default:
break;
}
ast_channel_unlock(chan);
return ret;
}
int ast_strings_match(const char *left, const char *op, const char *right)
{
char *internal_op = (char *)op;
char *internal_right = (char *)right;
double left_num;
double right_num;
int scan_numeric = 0;
if (!(left && right)) {
return 0;
}
if (ast_strlen_zero(op)) {
if (ast_strlen_zero(left) && ast_strlen_zero(right)) {
return 1;
}
if (strlen(right) >= 2 && right[0] == '/' && right[strlen(right) - 1] == '/') {
internal_op = "regex";
internal_right = ast_strdupa(right);
/* strip the leading and trailing '/' */
internal_right++;
internal_right[strlen(internal_right) - 1] = '\0';
goto regex;
} else {
internal_op = "=";
goto equals;
}
}
if (!strcasecmp(op, "like")) {
char *tok;
struct ast_str *buffer = ast_str_alloca(128);
if (!strchr(right, '%')) {
return !strcmp(left, right);
} else {
internal_op = "regex";
internal_right = ast_strdupa(right);
tok = strsep(&internal_right, "%");
ast_str_set(&buffer, 0, "^%s", tok);
while ((tok = strsep(&internal_right, "%"))) {
ast_str_append(&buffer, 0, ".*%s", tok);
}
ast_str_append(&buffer, 0, "%s", "$");
internal_right = ast_str_buffer(buffer);
/* fall through to regex */
}
}
regex:
if (!strcasecmp(internal_op, "regex")) {
regex_t expression;
int rc;
if (regcomp(&expression, internal_right, REG_EXTENDED | REG_NOSUB)) {
return 0;
}
rc = regexec(&expression, left, 0, NULL, 0);
regfree(&expression);
return !rc;
}
equals:
scan_numeric = (sscanf(left, "%lf", &left_num) && sscanf(internal_right, "%lf", &right_num));
if (internal_op[0] == '=') {
if (ast_strlen_zero(left) && ast_strlen_zero(internal_right)) {
return 1;
}
if (scan_numeric) {
return (left_num == right_num);
} else {
return (!strcmp(left, internal_right));
}
}
if (internal_op[0] == '!' && internal_op[1] == '=') {
if (scan_numeric) {
return (left_num != right_num);
} else {
return !!strcmp(left, internal_right);
}
}
if (internal_op[0] == '<') {
if (scan_numeric) {
if (internal_op[1] == '=') {
return (left_num <= right_num);
} else {
return (left_num < right_num);
}
} else {
if (internal_op[1] == '=') {
return strcmp(left, internal_right) <= 0;
} else {
return strcmp(left, internal_right) < 0;
}
}
}
if (internal_op[0] == '>') {
if (scan_numeric) {
if (internal_op[1] == '=') {
return (left_num >= right_num);
} else {
return (left_num > right_num);
}
} else {
if (internal_op[1] == '=') {
return strcmp(left, internal_right) >= 0;
} else {
return strcmp(left, internal_right) > 0;
}
}
}
return 0;
}
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;
}
/*! \brief Function which passes through an aliased CLI command to the real one */
static char *cli_alias_passthrough(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct cli_alias *alias;
struct cli_alias tmp = {
.cli_entry.command = e->command,
};
char *generator;
const char *line;
/* Try to find the alias based on the CLI entry */
if (!(alias = ao2_find(cli_aliases, &tmp, OBJ_POINTER))) {
return 0;
}
switch (cmd) {
case CLI_INIT:
ao2_ref(alias, -1);
return NULL;
case CLI_GENERATE:
line = a->line;
line += (strlen(alias->alias));
if (!strncasecmp(alias->alias, alias->real_cmd, strlen(alias->alias))) {
generator = NULL;
} else if (!ast_strlen_zero(a->word)) {
struct ast_str *real_cmd = ast_str_alloca(strlen(alias->real_cmd) + strlen(line) + 1);
ast_str_append(&real_cmd, 0, "%s%s", alias->real_cmd, line);
generator = ast_cli_generator(ast_str_buffer(real_cmd), a->word, a->n);
} else {
generator = ast_cli_generator(alias->real_cmd, a->word, a->n);
}
ao2_ref(alias, -1);
return generator;
}
/* If they gave us extra arguments we need to construct a string to pass in */
if (a->argc != e->args) {
struct ast_str *real_cmd = ast_str_alloca(2048);
int i;
ast_str_append(&real_cmd, 0, "%s", alias->real_cmd);
/* Add the additional arguments that have been passed in */
for (i = e->args + 1; i <= a->argc; i++) {
ast_str_append(&real_cmd, 0, " %s", a->argv[i - 1]);
}
ast_cli_command(a->fd, ast_str_buffer(real_cmd));
} else {
ast_cli_command(a->fd, alias->real_cmd);
}
ao2_ref(alias, -1);
return CLI_SUCCESS;
}
/*! \brief CLI Command to display CLI Aliases */
static char *alias_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
#define FORMAT "%-50.50s %-50.50s\n"
struct cli_alias *alias;
struct ao2_iterator i;
switch (cmd) {
case CLI_INIT:
e->command = "cli show aliases";
e->usage =
"Usage: cli show aliases\n"
" Displays a list of aliased CLI commands.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
ast_cli(a->fd, FORMAT, "Alias Command", "Real Command");
i = ao2_iterator_init(cli_aliases, 0);
for (; (alias = ao2_iterator_next(&i)); ao2_ref(alias, -1)) {
ast_cli(a->fd, FORMAT, alias->alias, alias->real_cmd);
}
ao2_iterator_destroy(&i);
return CLI_SUCCESS;
#undef FORMAT
}
/*! \brief CLI commands to interact with things */
static struct ast_cli_entry cli_alias[] = {
AST_CLI_DEFINE(alias_show, "Show CLI command aliases"),
};
/*! \brief Function called to load or reload the configuration file */
static void load_config(int reload)
{
struct ast_config *cfg = NULL;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
struct cli_alias *alias;
struct ast_variable *v, *v1;
if (!(cfg = ast_config_load(config_file, config_flags)) || cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "res_clialiases configuration file '%s' not found\n", config_file);
return;
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
return;
}
/* Destroy any existing CLI aliases */
if (reload) {
ao2_callback(cli_aliases, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL);
}
for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
if (strcmp(v->name, "template")) {
ast_log(LOG_WARNING, "%s is not a correct option in [%s]\n", v->name, "general");
continue;
}
/* Read in those there CLI aliases */
for (v1 = ast_variable_browse(cfg, v->value); v1; v1 = v1->next) {
if (!(alias = ao2_alloc((sizeof(*alias) + strlen(v1->name) + strlen(v1->value) + 2), alias_destroy))) {
continue;
}
alias->alias = ((char *) alias) + sizeof(*alias);
alias->real_cmd = ((char *) alias->alias) + strlen(v1->name) + 1;
strcpy(alias->alias, v1->name);
strcpy(alias->real_cmd, v1->value);
alias->cli_entry.handler = cli_alias_passthrough;
alias->cli_entry.command = alias->alias;
alias->cli_entry.usage = "Aliased CLI Command\n";
ast_cli_register(&alias->cli_entry);
ao2_link(cli_aliases, alias);
ast_verbose(VERBOSE_PREFIX_2 "Aliased CLI command '%s' to '%s'\n", v1->name, v1->value);
ao2_ref(alias, -1);
}
}
ast_config_destroy(cfg);
return;
}
/*! \brief Function called to reload the module */
static int reload_module(void)
{
load_config(1);
return 0;
}
static int func_channel_read(struct ast_channel *chan, const char *function,
char *data, char *buf, size_t len)
{
int ret = 0;
struct ast_format_cap *tmpcap;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
if (!strcasecmp(data, "audionativeformat")) {
char tmp[512];
if ((tmpcap = ast_format_cap_get_type(ast_channel_nativeformats(chan), AST_FORMAT_TYPE_AUDIO))) {
ast_copy_string(buf, ast_getformatname_multiple(tmp, sizeof(tmp), tmpcap), len);
tmpcap = ast_format_cap_destroy(tmpcap);
}
} else if (!strcasecmp(data, "videonativeformat")) {
char tmp[512];
if ((tmpcap = ast_format_cap_get_type(ast_channel_nativeformats(chan), AST_FORMAT_TYPE_VIDEO))) {
ast_copy_string(buf, ast_getformatname_multiple(tmp, sizeof(tmp), tmpcap), len);
tmpcap = ast_format_cap_destroy(tmpcap);
}
} else if (!strcasecmp(data, "audioreadformat")) {
ast_copy_string(buf, ast_getformatname(ast_channel_readformat(chan)), len);
} else if (!strcasecmp(data, "audiowriteformat")) {
ast_copy_string(buf, ast_getformatname(ast_channel_writeformat(chan)), len);
#ifdef CHANNEL_TRACE
} else if (!strcasecmp(data, "trace")) {
ast_channel_lock(chan);
ast_copy_string(buf, ast_channel_trace_is_enabled(chan) ? "1" : "0", len);
ast_channel_unlock(chan);
#endif
} else if (!strcasecmp(data, "tonezone") && ast_channel_zone(chan)) {
locked_copy_string(chan, buf, ast_channel_zone(chan)->country, len);
} else if (!strcasecmp(data, "dtmf_features")) {
if (ast_bridge_features_ds_get_string(chan, buf, len)) {
buf[0] = '\0';
}
} else if (!strcasecmp(data, "language"))
locked_copy_string(chan, buf, ast_channel_language(chan), len);
else if (!strcasecmp(data, "musicclass"))
locked_copy_string(chan, buf, ast_channel_musicclass(chan), len);
else if (!strcasecmp(data, "name")) {
locked_copy_string(chan, buf, ast_channel_name(chan), len);
} else if (!strcasecmp(data, "parkinglot"))
locked_copy_string(chan, buf, ast_channel_parkinglot(chan), len);
else if (!strcasecmp(data, "state"))
locked_copy_string(chan, buf, ast_state2str(ast_channel_state(chan)), len);
else if (!strcasecmp(data, "channeltype"))
locked_copy_string(chan, buf, ast_channel_tech(chan)->type, len);
else if (!strcasecmp(data, "accountcode"))
locked_copy_string(chan, buf, ast_channel_accountcode(chan), len);
else if (!strcasecmp(data, "checkhangup")) {
ast_channel_lock(chan);
ast_copy_string(buf, ast_check_hangup(chan) ? "1" : "0", len);
ast_channel_unlock(chan);
} else if (!strcasecmp(data, "peeraccount"))
locked_copy_string(chan, buf, ast_channel_peeraccount(chan), len);
else if (!strcasecmp(data, "hangupsource"))
locked_copy_string(chan, buf, ast_channel_hangupsource(chan), len);
else if (!strcasecmp(data, "appname") && ast_channel_appl(chan))
locked_copy_string(chan, buf, ast_channel_appl(chan), len);
else if (!strcasecmp(data, "appdata") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_data(chan), len);
else if (!strcasecmp(data, "exten") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_exten(chan), len);
else if (!strcasecmp(data, "context") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_context(chan), len);
else if (!strcasecmp(data, "userfield") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_userfield(chan), len);
else if (!strcasecmp(data, "channame") && ast_channel_data(chan))
locked_copy_string(chan, buf, ast_channel_name(chan), len);
else if (!strcasecmp(data, "linkedid")) {
ast_channel_lock(chan);
if (ast_strlen_zero(ast_channel_linkedid(chan))) {
/* fall back on the channel's uniqueid if linkedid is unset */
ast_copy_string(buf, ast_channel_uniqueid(chan), len);
}
else {
ast_copy_string(buf, ast_channel_linkedid(chan), len);
}
ast_channel_unlock(chan);
} else if (!strcasecmp(data, "peer")) {
RAII_VAR(struct ast_channel *, p, NULL, ast_channel_cleanup);
ast_channel_lock(chan);
p = ast_channel_bridge_peer(chan);
if (p || ast_channel_tech(chan)) /* dummy channel? if so, we hid the peer name in the language */
ast_copy_string(buf, (p ? ast_channel_name(p) : ""), len);
else {
/* a dummy channel can still pass along bridged peer info via
the BRIDGEPEER variable */
const char *pname = pbx_builtin_getvar_helper(chan, "BRIDGEPEER");
if (!ast_strlen_zero(pname))
ast_copy_string(buf, pname, len); /* a horrible kludge, but... how else? */
else
buf[0] = 0;
}
ast_channel_unlock(chan);
} else if (!strcasecmp(data, "uniqueid")) {
locked_copy_string(chan, buf, ast_channel_uniqueid(chan), len);
} else if (!strcasecmp(data, "transfercapability")) {
locked_copy_string(chan, buf, transfercapability_table[ast_channel_transfercapability(chan) & 0x1f], len);
} else if (!strcasecmp(data, "callgroup")) {
char groupbuf[256];
locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_callgroup(chan)), len);
} else if (!strcasecmp(data, "pickupgroup")) {
char groupbuf[256];
locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_pickupgroup(chan)), len);
} else if (!strcasecmp(data, "namedcallgroup")) {
struct ast_str *tmp_str = ast_str_alloca(1024);
locked_copy_string(chan, buf, ast_print_namedgroups(&tmp_str, ast_channel_named_callgroups(chan)), len);
} else if (!strcasecmp(data, "namedpickupgroup")) {
struct ast_str *tmp_str = ast_str_alloca(1024);
locked_copy_string(chan, buf, ast_print_namedgroups(&tmp_str, ast_channel_named_pickupgroups(chan)), len);
} else if (!strcasecmp(data, "after_bridge_goto")) {
ast_bridge_read_after_goto(chan, buf, len);
} else if (!strcasecmp(data, "amaflags")) {
ast_channel_lock(chan);
snprintf(buf, len, "%d", ast_channel_amaflags(chan));
ast_channel_unlock(chan);
} else if (!strncasecmp(data, "secure_bridge_", 14)) {
struct ast_datastore *ds;
ast_channel_lock(chan);
if ((ds = ast_channel_datastore_find(chan, &secure_call_info, NULL))) {
struct ast_secure_call_store *encrypt = ds->data;
if (!strcasecmp(data, "secure_bridge_signaling")) {
snprintf(buf, len, "%s", encrypt->signaling ? "1" : "");
} else if (!strcasecmp(data, "secure_bridge_media")) {
snprintf(buf, len, "%s", encrypt->media ? "1" : "");
}
}
ast_channel_unlock(chan);
} else if (!ast_channel_tech(chan) || !ast_channel_tech(chan)->func_channel_read || ast_channel_tech(chan)->func_channel_read(chan, function, data, buf, len)) {
ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data);
ret = -1;
}
return ret;
}
