INLINE void ng_sdes_option(struct sdp_ng_flags *out, bencode_item_t *it, unsigned int strip) {
str s;
if (!bencode_get_str(it, &s))
return;
str_shift(&s, strip);
if (!str_cmp(&s, "no") || !str_cmp(&s, "off") || !str_cmp(&s, "disabled")
|| !str_cmp(&s, "disable"))
out->sdes_off = 1;
else if (!str_cmp(&s, "unencrypted_srtp") || !str_cmp(&s, "UNENCRYPTED_SRTP"))
out->sdes_unencrypted_srtp = 1;
else if (!str_cmp(&s, "unencrypted_srtcp") || !str_cmp(&s, "UNENCRYPTED_SRTCP"))
out->sdes_unencrypted_srtcp = 1;
else if (!str_cmp(&s, "unauthenticated_srtp") || !str_cmp(&s, "UNAUTHENTICATED_SRTP"))
out->sdes_unauthenticated_srtp = 1;
else if (!str_cmp(&s, "encrypted_srtp") || !str_cmp(&s, "ENCRYPTED_SRTP"))
out->sdes_encrypted_srtp = 1;
else if (!str_cmp(&s, "encrypted_srtcp") || !str_cmp(&s, "ENCRYPTED_SRTCP"))
out->sdes_encrypted_srtcp = 1;
else if (!str_cmp(&s, "authenticated_srtp") || !str_cmp(&s, "AUTHENTICATED_SRTP"))
out->sdes_authenticated_srtp = 1;
else
ilog(LOG_WARN, "Unknown 'SDES' flag encountered: '"STR_FORMAT"'",
STR_FMT(&s));
}
INLINE void str_hyphenate(bencode_item_t *it) {
str s;
if (!bencode_get_str(it, &s))
return;
while (s.len) {
str_chr_str(&s, &s, ' ');
if (!s.s || !s.len)
break;
*s.s = '-';
str_shift(&s, 1);
}
}
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);
}
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) {
if (!bencode_strcmp(it, "trust address"))
out->trust_address = 1;
else if (!bencode_strcmp(it, "asymmetric"))
out->asymmetric = 1;
else if (!bencode_strcmp(it, "trust-address"))
out->trust_address = 1;
else if (!bencode_strcmp(it, "strict source"))
out->strict_source = 1;
else if (!bencode_strcmp(it, "media handover"))
out->media_handover = 1;
}
}
if ((list = bencode_dictionary_get_expect(input, "replace", BENCODE_LIST))) {
for (it = list->child; it; it = it->sibling) {
if (!bencode_strcmp(it, "origin"))
out->replace_origin = 1;
else if (!bencode_strcmp(it, "session connection"))
out->replace_sess_conn = 1;
else if (!bencode_strcmp(it, "session-connection"))
out->replace_sess_conn = 1;
}
}
diridx = 0;
if ((list = bencode_dictionary_get_expect(input, "direction", BENCODE_LIST))) {
for (it = list->child; it && diridx < 2; it = it->sibling) {
if (!bencode_strcmp(it, "internal"))
out->directions[diridx++] = DIR_INTERNAL;
else if (!bencode_strcmp(it, "external"))
out->directions[diridx++] = DIR_EXTERNAL;
}
}
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"))
out->ice_force_relay = 1;
}
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;
}
}
bencode_dictionary_get_str(input, "transport protocol", &out->transport_protocol_str);
if (!out->transport_protocol_str.s)
bencode_dictionary_get_str(input, "transport-protocol", &out->transport_protocol_str);
out->transport_protocol = transport_protocol(&out->transport_protocol_str);
bencode_dictionary_get_str(input, "media address", &out->media_address);
if (bencode_dictionary_get_str(input, "address family", &out->address_family_str))
out->address_family = address_family(&out->address_family_str);
}
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);
}
