Ejemplo n.º 1
0
static void call_ng_process_flags(struct sdp_ng_flags *out, bencode_item_t *input) {
	bencode_item_t *list, *it;
	int diridx;
	str s;

	ZERO(*out);

	if ((list = bencode_dictionary_get_expect(input, "flags", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			str_hyphenate(it);
			if (!bencode_strcmp(it, "trust-address"))
				out->trust_address = 1;
			else if (!bencode_strcmp(it, "asymmetric"))
				out->asymmetric = 1;
			else if (!bencode_strcmp(it, "strict-source"))
				out->strict_source = 1;
			else if (!bencode_strcmp(it, "media-handover"))
				out->media_handover = 1;
			else
				ilog(LOG_WARN, "Unknown flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	if ((list = bencode_dictionary_get_expect(input, "replace", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			str_hyphenate(it);
			if (!bencode_strcmp(it, "origin"))
				out->replace_origin = 1;
			else if (!bencode_strcmp(it, "session-connection"))
				out->replace_sess_conn = 1;
			else
				ilog(LOG_WARN, "Unknown 'replace' flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	diridx = 0;
	if ((list = bencode_dictionary_get_expect(input, "direction", BENCODE_LIST))) {
		for (it = list->child; it && diridx < 2; it = it->sibling)
			bencode_get_str(it, &out->direction[diridx++]);
	}

	list = bencode_dictionary_get_expect(input, "received from", BENCODE_LIST);
	if (!list)
		list = bencode_dictionary_get_expect(input, "received-from", BENCODE_LIST);
	if (list && (it = list->child)) {
		bencode_get_str(it, &out->received_from_family);
		bencode_get_str(it->sibling, &out->received_from_address);
	}

	if (bencode_dictionary_get_str(input, "ICE", &s)) {
		if (!str_cmp(&s, "remove"))
			out->ice_remove = 1;
		else if (!str_cmp(&s, "force"))
			out->ice_force = 1;
		else if (!str_cmp(&s, "force_relay") || !str_cmp(&s, "force-relay"))
			out->ice_force_relay = 1;
		else
			ilog(LOG_WARN, "Unknown 'ICE' flag encountered: '"STR_FORMAT"'",
					STR_FMT(&s));
	}

	if ((list = bencode_dictionary_get_expect(input, "rtcp-mux", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			if (!bencode_strcmp(it, "offer"))
				out->rtcp_mux_offer = 1;
			else if (!bencode_strcmp(it, "demux"))
				out->rtcp_mux_demux = 1;
			else if (!bencode_strcmp(it, "accept"))
				out->rtcp_mux_accept = 1;
			else if (!bencode_strcmp(it, "reject"))
				out->rtcp_mux_reject = 1;
			else
				ilog(LOG_WARN, "Unknown 'rtcp-mux' flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	bencode_get_alt(input, "transport-protocol", "transport protocol", &out->transport_protocol_str);
	out->transport_protocol = transport_protocol(&out->transport_protocol_str);
	bencode_get_alt(input, "media-address", "media address", &out->media_address);
	if (bencode_get_alt(input, "address-family", "address family", &out->address_family_str))
		out->address_family = address_family(&out->address_family_str);
	out->tos = bencode_dictionary_get_integer(input, "TOS", 256);
}
Ejemplo n.º 2
0
static void call_ng_process_flags(struct sdp_ng_flags *out, bencode_item_t *input) {
	bencode_item_t *list, *it;
	int diridx;
	str s;

	ZERO(*out);

	out->trust_address = trust_address_def;
	out->dtls_passive = dtls_passive_def;

	if ((list = bencode_dictionary_get_expect(input, "flags", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			if (it->type !=  BENCODE_STRING)
				continue;

			str_hyphenate(it);

			if (!bencode_strcmp(it, "trust-address"))
				out->trust_address = 1;
			else if (!bencode_strcmp(it, "SIP-source-address"))
				out->trust_address = 0;
			else if (!bencode_strcmp(it, "asymmetric"))
				out->asymmetric = 1;
			else if (!bencode_strcmp(it, "strict-source"))
				out->strict_source = 1;
			else if (!bencode_strcmp(it, "media-handover"))
				out->media_handover = 1;
			else if (!bencode_strcmp(it, "reset"))
				out->reset = 1;
			else if (it->iov[1].iov_len >= 5 && !memcmp(it->iov[1].iov_base, "SDES-", 5))
				ng_sdes_option(out, it, 5);
			else
				ilog(LOG_WARN, "Unknown flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	if ((list = bencode_dictionary_get_expect(input, "replace", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			str_hyphenate(it);
			if (!bencode_strcmp(it, "origin"))
				out->replace_origin = 1;
			else if (!bencode_strcmp(it, "session-connection"))
				out->replace_sess_conn = 1;
			else
				ilog(LOG_WARN, "Unknown 'replace' flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	diridx = 0;
	if ((list = bencode_dictionary_get_expect(input, "direction", BENCODE_LIST))) {
		for (it = list->child; it && diridx < 2; it = it->sibling)
			bencode_get_str(it, &out->direction[diridx++]);
	}

	list = bencode_dictionary_get_expect(input, "received from", BENCODE_LIST);
	if (!list)
		list = bencode_dictionary_get_expect(input, "received-from", BENCODE_LIST);
	if (list && (it = list->child)) {
		bencode_get_str(it, &out->received_from_family);
		bencode_get_str(it->sibling, &out->received_from_address);
	}

	if (bencode_dictionary_get_str(input, "ICE", &s)) {
		if (!str_cmp(&s, "remove"))
			out->ice_remove = 1;
		else if (!str_cmp(&s, "force"))
			out->ice_force = 1;
		else if (!str_cmp(&s, "force_relay") || !str_cmp(&s, "force-relay")
				|| !str_cmp(&s, "force relay"))
			out->ice_force_relay = 1;
		else
			ilog(LOG_WARN, "Unknown 'ICE' flag encountered: '"STR_FORMAT"'",
					STR_FMT(&s));
	}

	if (bencode_dictionary_get_str(input, "DTLS", &s)) {
		if (!str_cmp(&s, "passive"))
			out->dtls_passive = 1;
		else if (!str_cmp(&s, "no") || !str_cmp(&s, "off") || !str_cmp(&s, "disabled")
				|| !str_cmp(&s, "disable"))
			out->dtls_off = 1;
		else
			ilog(LOG_WARN, "Unknown 'DTLS' flag encountered: '"STR_FORMAT"'",
					STR_FMT(&s));
	}

	if ((list = bencode_dictionary_get_expect(input, "rtcp-mux", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling) {
			if (!bencode_strcmp(it, "offer"))
				out->rtcp_mux_offer = 1;
			else if (!bencode_strcmp(it, "demux"))
				out->rtcp_mux_demux = 1;
			else if (!bencode_strcmp(it, "accept"))
				out->rtcp_mux_accept = 1;
			else if (!bencode_strcmp(it, "reject"))
				out->rtcp_mux_reject = 1;
			else
				ilog(LOG_WARN, "Unknown 'rtcp-mux' flag encountered: '"BENCODE_FORMAT"'",
						BENCODE_FMT(it));
		}
	}

	/* XXX abstractize the other list walking functions using callbacks */
	/* XXX module still needs to support this list */
	if ((list = bencode_dictionary_get_expect(input, "SDES", BENCODE_LIST))) {
		for (it = list->child; it; it = it->sibling)
			ng_sdes_option(out, it, 0);
	}

	bencode_get_alt(input, "transport-protocol", "transport protocol", &out->transport_protocol_str);
	out->transport_protocol = transport_protocol(&out->transport_protocol_str);
	bencode_get_alt(input, "media-address", "media address", &out->media_address);
	if (bencode_get_alt(input, "address-family", "address family", &out->address_family_str))
		out->address_family = address_family(&out->address_family_str);
	out->tos = bencode_dictionary_get_integer(input, "TOS", 256);
}