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v811_spc009/external/libwebsockets/lib/secure-streams/secure-streams-serialize.c

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2019 - 2020 Andy Green <andy@warmcat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*
* In the case Secure Streams protocol needs to pass through a buffer,
* or a streamed connection, the protocol metadata must be serialized. This
* file provides internal apis to perform the serialization and deserialization
* in and out of an lws_dsh fifo-type buffer.
*/
#include <private-lib-core.h>
typedef enum {
RPAR_TYPE,
RPAR_LEN_MSB,
RPAR_LEN_LSB,
RPAR_FLAG_B3,
RPAR_FLAG_B2,
RPAR_FLAG_B1,
RPAR_FLAG_B0,
RPAR_LATA3,
RPAR_LATA2,
RPAR_LATA1,
RPAR_LATA0,
RPAR_LATB7,
RPAR_LATB6,
RPAR_LATB5,
RPAR_LATB4,
RPAR_LATB3,
RPAR_LATB2,
RPAR_LATB1,
RPAR_LATB0,
RPAR_RIDESHARE_LEN,
RPAR_RIDESHARE,
RPAR_RESULT_CREATION_RIDESHARE,
RPAR_METADATA_NAMELEN,
RPAR_METADATA_NAME,
RPAR_METADATA_VALUE,
RPAR_PAYLOAD,
RPAR_RX_TXCR_UPDATE,
RPAR_STREAMTYPE,
RPAR_INITTXC0,
RPAR_TXCR0,
RPAR_RESULT_CREATION,
RPAR_STATEINDEX,
RPAR_ORD3,
RPAR_ORD2,
RPAR_ORD1,
RPAR_ORD0,
} rx_parser_t;
#if defined(_DEBUG)
static const char *sn[] = {
"unset",
"LPCS_WAIT_INITIAL_TX",
"LPCS_REPORTING_FAIL",
"LPCS_REPORTING_OK",
"LPCS_OPERATIONAL",
"LPCS_DESTROYED",
"LPCS_SENDING_INITIAL_TX",
"LPCS_WAITING_CREATE_RESULT",
"LPCS_LOCAL_CONNECTED",
"LPCS_ONWARD_CONNECT",
};
#endif
void
lws_ss_serialize_state_transition(lws_ss_conn_states_t *state, int new_state)
{
#if defined(_DEBUG)
lwsl_info("%s: %s -> %s\n", __func__, sn[*state], sn[new_state]);
#endif
*state = new_state;
}
/*
* event loop received something and is queueing it for the foreign side of
* the dsh to consume later as serialized rx
*/
int
lws_ss_serialize_rx_payload(struct lws_dsh *dsh, const uint8_t *buf,
size_t len, int flags, const char *rsp)
{
lws_usec_t us = lws_now_usecs();
uint8_t pre[128];
int est = 19, l = 0;
if (flags & LWSSS_FLAG_RIDESHARE) {
/*
* We should have the rideshare name if we have been told it's
* on a non-default rideshare
*/
assert(rsp);
l = strlen(rsp);
est += 1 + l;
} else
assert(!rsp);
// lwsl_user("%s: len %d, flags: %d\n", __func__, (int)len, flags);
// lwsl_hexdump_info(buf, len);
pre[0] = LWSSS_SER_RXPRE_RX_PAYLOAD;
lws_ser_wu16be(&pre[1], len + est - 3);
lws_ser_wu32be(&pre[3], flags);
lws_ser_wu32be(&pre[7], 0); /* write will compute latency here... */
lws_ser_wu64be(&pre[11], us); /* ... and set this to the write time */
/*
* If we are on a non-default rideshare, append the non-default name to
* the headers of the payload part, 1-byte length first
*/
if (flags & LWSSS_FLAG_RIDESHARE) {
pre[19] = (uint8_t)l;
memcpy(&pre[20], rsp, l);
}
if (lws_dsh_alloc_tail(dsh, KIND_SS_TO_P, pre, est, buf, len)) {
lwsl_err("%s: unable to alloc in dsh 1\n", __func__);
return 1;
}
return 0;
}
/*
* event loop is consuming dsh-buffered, already-serialized tx from the
* foreign side
*/
int
lws_ss_deserialize_tx_payload(struct lws_dsh *dsh, struct lws *wsi,
lws_ss_tx_ordinal_t ord, uint8_t *buf,
size_t *len, int *flags)
{
uint8_t *p;
size_t si;
if (lws_dsh_get_head(dsh, KIND_C_TO_P, (void **)&p, &si)) {
*len = 0;
return 0;
}
/*
* The packet in the dsh has a proxying serialization header, process
* and strip it so we just forward the payload
*/
if (*len <= si - 23 || si < 23) {
/*
* What comes out of the dsh needs to fit in the tx buffer
*/
lwsl_err("%s: *len = %d, si = %d\n", __func__, (int)*len, (int)si);
assert(0);
return 1;
}
if (p[0] != LWSSS_SER_TXPRE_TX_PAYLOAD) {
assert(0);
return 1;
}
*len = lws_ser_ru16be(&p[1]) - (23 - 3);
assert(*len == si - 23);
memcpy(buf, p + 23, si - 23);
*flags = lws_ser_ru32be(&p[3]);
#if defined(LWS_WITH_DETAILED_LATENCY)
if (wsi && wsi->context->detailed_latency_cb) {
/*
* use the proxied latency information to compute the client
* and our delays, and apply to wsi.
*
* + 7 u32 us held at client before written
* +11 u32 us taken for transit to proxy
* +15 u64 ustime when proxy got packet from client
*/
lws_usec_t us = lws_now_usecs();
wsi->detlat.acc_size = wsi->detlat.req_size = si - 23;
wsi->detlat.latencies[LAT_DUR_PROXY_CLIENT_REQ_TO_WRITE] =
lws_ser_ru32be(&p[7]);
wsi->detlat.latencies[LAT_DUR_PROXY_CLIENT_WRITE_TO_PROXY_RX] =
lws_ser_ru32be(&p[11]);
wsi->detlat.latencies[LAT_DUR_PROXY_RX_TO_ONWARD_TX] =
us - lws_ser_ru64be(&p[15]);
wsi->detlat.latencies[LAT_DUR_USERCB] = 0;
}
#endif
// lwsl_user("%s: len %d, flags: %d\n", __func__, (int)*len, *flags);
// lwsl_hexdump_info(buf, *len);
lws_dsh_free((void **)&p);
return 0;
}
/*
* event loop side is issuing state, serialize and put it in the dbuf for
* the foreign side to consume later
*/
int
lws_ss_serialize_state(struct lws_dsh *dsh, lws_ss_constate_t state,
lws_ss_tx_ordinal_t ack)
{
uint8_t pre[8];
lwsl_info("%s: %s, ord 0x%x\n", __func__, lws_ss_state_name(state),
(unsigned int)ack);
pre[0] = LWSSS_SER_RXPRE_CONNSTATE;
pre[1] = 0;
pre[2] = 5;
pre[3] = (uint8_t)state;
lws_ser_wu32be(&pre[4], ack);
if (lws_dsh_alloc_tail(dsh, KIND_SS_TO_P, pre, 8, NULL, 0)) {
lwsl_err("%s: unable to alloc in dsh 2\n", __func__);
return 1;
}
return 0;
}
/*
* event loop side was told about remote peer tx credit window update, serialize
* and put it in the dbuf for the foreign side to consume later
*/
int
lws_ss_serialize_txcr(struct lws_dsh *dsh, int txcr)
{
uint8_t pre[7];
lwsl_info("%s: %d\n", __func__, txcr);
pre[0] = LWSSS_SER_RXPRE_TXCR_UPDATE;
pre[1] = 0;
pre[2] = 4;
lws_ser_wu32be(&pre[3], txcr);
if (lws_dsh_alloc_tail(dsh, KIND_SS_TO_P, pre, 7, NULL, 0)) {
lwsl_err("%s: unable to alloc in dsh 2\n", __func__);
return 1;
}
return 0;
}
/*
* event loop side is consuming serialized data from the client via dsh, parse
* it using a bytewise parser for the serialization header(s)...
* it's possibly coalesced
*/
int
lws_ss_deserialize_parse(struct lws_ss_serialization_parser *par,
struct lws_context *context,
struct lws_dsh *dsh, const uint8_t *cp, size_t len,
lws_ss_conn_states_t *state, void *parconn,
lws_ss_handle_t **pss, lws_ss_info_t *ssi, char client)
{
lws_ss_metadata_t *pm;
lws_sspc_handle_t *h;
uint8_t pre[23];
lws_usec_t us;
uint32_t flags;
uint8_t *p;
int n;
while (len--) {
switch (par->ps) {
case RPAR_TYPE:
par->type = *cp++;
par->ps++;
break;
case RPAR_LEN_MSB: /* this is remaining frame length */
par->rem = (*cp++) << 8;
par->ps++;
break;
case RPAR_LEN_LSB:
par->rem |= *cp++;
switch (par->type) {
/* event loop side */
case LWSSS_SER_TXPRE_TX_PAYLOAD:
if (client)
goto hangup;
if (*state != LPCS_OPERATIONAL)
goto hangup;
par->ps = RPAR_FLAG_B3;
break;
case LWSSS_SER_TXPRE_DESTROYING:
if (client)
goto hangup;
par->ps = RPAR_TYPE;
lwsl_notice("%s: DESTROYING\n", __func__);
goto hangup;
case LWSSS_SER_TXPRE_ONWARD_CONNECT:
if (client)
goto hangup;
if (*state != LPCS_OPERATIONAL)
goto hangup;
par->ps = RPAR_TYPE;
if (*pss)
lws_ss_client_connect(*pss);
break;
case LWSSS_SER_TXPRE_STREAMTYPE:
if (client)
goto hangup;
if (*state != LPCS_WAIT_INITIAL_TX)
goto hangup;
if (par->rem < 4)
goto hangup;
par->ctr = 0;
par->ps = RPAR_INITTXC0;
break;
case LWSSS_SER_TXPRE_METADATA:
if (client)
goto hangup;
if (par->rem < 3)
goto hangup;
par->ctr = 0;
par->ps = RPAR_METADATA_NAMELEN;
break;
case LWSSS_SER_TXPRE_TXCR_UPDATE:
par->ps = RPAR_TXCR0;
par->ctr = 0;
break;
/* client side */
case LWSSS_SER_RXPRE_RX_PAYLOAD:
if (!client)
goto hangup;
if (*state != LPCS_OPERATIONAL &&
*state != LPCS_LOCAL_CONNECTED) {
lwsl_err("rx in state %d\n", *state);
goto hangup;
}
par->rideshare[0] = '\0';
par->ps = RPAR_FLAG_B3;
break;
case LWSSS_SER_RXPRE_CREATE_RESULT:
if (!client)
goto hangup;
if (*state != LPCS_WAITING_CREATE_RESULT) {
lwsl_err("a2\n");
goto hangup;
}
if (par->rem < 1) {
lwsl_err("a3\n");
goto hangup;
}
par->ps = RPAR_RESULT_CREATION;
break;
case LWSSS_SER_RXPRE_CONNSTATE:
if (!client)
goto hangup;
if (*state != LPCS_LOCAL_CONNECTED &&
*state != LPCS_OPERATIONAL) {
lwsl_err("a4\n");
goto hangup;
}
if (par->rem < 4) {
lwsl_err("a5\n");
goto hangup;
}
par->ps = RPAR_STATEINDEX;
break;
case LWSSS_SER_RXPRE_TXCR_UPDATE:
par->ctr = 0;
par->ps = RPAR_RX_TXCR_UPDATE;
break;
default:
lwsl_notice("%s: bad type 0x%x\n", __func__,
par->type);
goto hangup;
}
break;
case RPAR_FLAG_B3:
case RPAR_FLAG_B2:
case RPAR_FLAG_B1:
case RPAR_FLAG_B0:
par->flags <<= 8;
par->flags |= *cp++;
par->ps++;
if (!par->rem--)
goto hangup;
break;
case RPAR_LATA3:
case RPAR_LATA2:
case RPAR_LATA1:
case RPAR_LATA0:
par->usd_phandling <<= 8;
par->usd_phandling |= *cp++;
par->ps++;
if (!par->rem--)
goto hangup;
break;
case RPAR_LATB7:
case RPAR_LATB6:
case RPAR_LATB5:
case RPAR_LATB4:
case RPAR_LATB3:
case RPAR_LATB2:
case RPAR_LATB1:
case RPAR_LATB0:
par->ust_pwait <<= 8;
par->ust_pwait |= *cp++;
par->ps++;
par->frag1 = 1;
if (!par->rem--)
goto hangup;
if (par->ps == RPAR_RIDESHARE_LEN &&
!(par->flags & LWSSS_FLAG_RIDESHARE))
par->ps = RPAR_PAYLOAD;
if (par->rem)
break;
/* fallthru - handle 0-length payload */
if (!(par->flags & LWSSS_FLAG_RIDESHARE))
goto payload_ff;
goto hangup;
/*
* Inbound rideshare info is provided on the RX packet
* itself
*/
case RPAR_RIDESHARE_LEN:
par->slen = *cp++;
par->ctr = 0;
par->ps++;
if (par->rem-- < par->slen)
goto hangup;
break;
case RPAR_RIDESHARE:
par->rideshare[par->ctr++] = *cp++;
if (!par->rem--)
goto hangup;
if (par->ctr != par->slen)
break;
par->ps = RPAR_PAYLOAD;
if (par->rem)
break;
/* fallthru - handle 0-length payload */
case RPAR_PAYLOAD:
payload_ff:
n = (int)len + 1;
if (n > par->rem)
n = par->rem;
if (n > 1380)
n = 1380;
/* deal with refragmented SOM / EOM flags */
flags = par->flags & LWSSS_FLAG_RELATED_START;
if (par->frag1)
flags |= par->flags &
(LWSSS_FLAG_SOM | LWSSS_FLAG_POLL);
if (par->rem == n)
flags |= par->flags & (LWSSS_FLAG_EOM |
LWSSS_FLAG_RELATED_END);
par->frag1 = 0;
us = lws_now_usecs();
if (!client) {
/*
* Proxy - we received some serialized tx from
* the client.
*
* The header for buffering private to the
* proxy is 23 bytes vs 19 to hold the
* current time when it was buffered
*/
lwsl_info("%s: C2P RX: len %d\n", __func__, (int)n);
p = pre;
pre[0] = LWSSS_SER_TXPRE_TX_PAYLOAD;
lws_ser_wu16be(&p[1], n + 23 - 3);
lws_ser_wu32be(&p[3], par->flags);
/* us held at client before written */
lws_ser_wu32be(&p[7], par->usd_phandling);
/* us taken for transit to proxy */
lws_ser_wu32be(&p[11], us - par->ust_pwait);
/* time used later to find proxy hold time */
lws_ser_wu64be(&p[15], us);
if (lws_dsh_alloc_tail(dsh, KIND_C_TO_P, pre,
23, cp, n)) {
lwsl_err("%s: unable to alloc in dsh 3\n",
__func__);
return 1;
}
lws_ss_request_tx(*pss);
} else {
/*
* Client receives some RX from proxy
*
* Pass whatever payload we have to ss user
*/
lwsl_info("%s: P2C RX: len %d\n", __func__, (int)n);
h = lws_container_of(par, lws_sspc_handle_t, parser);
h->txc.peer_tx_cr_est -= n;
ssi->rx((void *)pss, (uint8_t *)cp, n, flags);
#if defined(LWS_WITH_DETAILED_LATENCY)
if (lws_det_lat_active(context)) {
lws_detlat_t d;
d.type = LDLT_READ;
d.acc_size = d.req_size = n;
d.latencies[LAT_DUR_USERCB] =
lws_now_usecs() - us;
d.latencies[LAT_DUR_PROXY_CLIENT_REQ_TO_WRITE] =
par->usd_phandling;
d.latencies[LAT_DUR_PROXY_CLIENT_WRITE_TO_PROXY_RX] =
us - par->ust_pwait;
lws_det_lat_cb(context, &d);
}
#endif
}
if (n) {
cp += n;
par->rem -= n;
len = (len + 1) - n;
}
if (!par->rem)
par->ps = RPAR_TYPE;
break;
case RPAR_RX_TXCR_UPDATE:
if (!--par->rem && par->ctr != 3)
goto hangup;
par->temp32 = (par->temp32 << 8) | *cp++;
if (++par->ctr < 4)
break;
/*
* Proxy is telling us remote endpoint is allowing us
* par->temp32 more bytes tx credit to write to it
*/
h = lws_container_of(par, lws_sspc_handle_t, parser);
h->txc.tx_cr += par->temp32;
lwsl_info("%s: RX_PEER_TXCR: %d\n", __func__, par->temp32);
lws_sspc_request_tx(h); /* in case something waiting */
par->ctr = 0;
par->ps = RPAR_TYPE;
break;
case RPAR_INITTXC0:
if (!--par->rem)
goto hangup;
par->temp32 = (par->temp32 << 8) | *cp++;
if (++par->ctr < 4)
break;
par->txcr_out = par->temp32;
par->ctr = 0;
par->ps = RPAR_STREAMTYPE;
break;
/*
* These are the client adjusting our / the remote peer ability
* to send back to him. He's sending a signed u32 BE
*/
case RPAR_TXCR0:
par->temp32 = (par->temp32 << 8) | *cp++;
if (++par->ctr < 4) {
if (!--par->rem)
goto hangup;
break;
}
if (--par->rem)
goto hangup;
if (!client) {
/*
* We're the proxy, being told by the client
* that it wants to allow more tx from the peer
* on the onward connection towards it.
*/
#if defined(LWS_ROLE_H2) || defined(LWS_ROLE_MQTT)
if ((*pss)->wsi) {
lws_wsi_tx_credit((*pss)->wsi,
LWSTXCR_PEER_TO_US,
par->temp32);
lwsl_notice("%s: proxy RX_PEER_TXCR: +%d (est %d)\n",
__func__, par->temp32,
(*pss)->wsi->txc.peer_tx_cr_est);
lws_ss_request_tx(*pss);
} else
#endif
lwsl_info("%s: dropping TXCR\n", __func__);
} else {
/*
* We're the client, being told by the proxy
* about tx credit being given to us from the
* remote peer, allowing the client to write to
* it.
*/
h = lws_container_of(par, lws_sspc_handle_t, parser);
h->txc.tx_cr += par->temp32;
lwsl_info("%s: client RX_PEER_TXCR: %d\n",
__func__, par->temp32);
lws_sspc_request_tx(h); /* in case something waiting */
}
par->ps = RPAR_TYPE;
break;
case RPAR_METADATA_NAMELEN:
if (!--par->rem)
goto hangup;
par->slen = *cp++;
if (par->slen >= sizeof(par->metadata_name) - 1)
goto hangup;
par->ctr = 0;
par->ps++;
break;
case RPAR_METADATA_NAME:
if (!--par->rem)
goto hangup;
par->metadata_name[par->ctr++] = *cp++;
if (par->ctr != par->slen)
break;
par->ps = RPAR_METADATA_VALUE;
/* only non-client side can receive these */
/*
* This is the policy's metadata list for the given
* name
*/
pm = lws_ss_policy_metadata((*pss)->policy,
par->metadata_name);
if (!pm) {
lwsl_err("%s: metadata %s not in proxy policy\n",
__func__, par->metadata_name);
goto hangup;
}
par->ssmd = &(*pss)->metadata[pm->length];
if (par->ssmd->value_on_lws_heap)
lws_free_set_NULL(par->ssmd->value);
par->ssmd->value_on_lws_heap = 0;
par->ssmd->value = lws_malloc(par->rem + 1, "metadata");
if (!par->ssmd->value) {
lwsl_err("%s: OOM mdv\n", __func__);
goto hangup;
}
par->ssmd->length = par->rem;
/* mark it as needing cleanup */
par->ssmd->value_on_lws_heap = 1;
par->ctr = 0;
break;
case RPAR_METADATA_VALUE:
((uint8_t *)(par->ssmd->value))[par->ctr++] = *cp++;
if (--par->rem)
break;
/* we think we got all the value */
lwsl_info("%s: RPAR_METADATA_VALUE for %s (len %d)\n",
__func__, par->ssmd->name,
(int)par->ssmd->length);
lwsl_hexdump_info(par->ssmd->value, par->ssmd->length);
par->ps = RPAR_TYPE;
break;
case RPAR_STREAMTYPE:
if (client)
goto hangup;
if (par->ctr == sizeof(par->streamtype) - 1)
goto hangup;
/*
* We're the proxy, creating an SS on behalf of a
* client
*/
par->streamtype[par->ctr++] = *cp++;
if (--par->rem)
break;
par->ps = RPAR_TYPE;
par->streamtype[par->ctr] = '\0';
lwsl_notice("%s: creating proxied ss '%s', txcr %d\n",
__func__, par->streamtype, par->txcr_out);
ssi->streamtype = par->streamtype;
if (par->txcr_out)
ssi->manual_initial_tx_credit = par->txcr_out;
if (lws_ss_create(context, 0, ssi, parconn, pss, NULL, NULL)) {
/*
* We're unable to create the onward secure
* stream he asked for... schedule a chance to
* inform him
*/
lwsl_err("%s: create '%s' fail\n",
__func__, par->streamtype);
*state = LPCS_REPORTING_FAIL;
} else {
lwsl_debug("%s: create '%s' OK\n",
__func__, par->streamtype);
*state = LPCS_REPORTING_OK;
}
if (*pss) {
(*pss)->being_serialized = 1;
lwsl_notice("%s: Created SS initial credit %d\n",
__func__, par->txcr_out);
(*pss)->info.manual_initial_tx_credit = par->txcr_out;
}
/* parent needs to schedule write on client conn */
break;
/* clientside states */
case RPAR_RESULT_CREATION:
if (*cp++) {
lwsl_err("%s: stream creation failed\n",
__func__);
goto hangup;
}
lws_ss_serialize_state_transition(state,
LPCS_LOCAL_CONNECTED);
h = lws_container_of(par, lws_sspc_handle_t, parser);
if (h->cwsi)
lws_callback_on_writable(h->cwsi);
/*
* This is telling us that the streamtype could be (and
* was) created at the proxy. It's not telling us that
* the onward peer connection could be connected.
*
* We'll get a proxied state() coming later that informs
* us about the situation with that.
*/
par->rsl_pos = 0;
par->rsl_idx = 0;
h = lws_container_of(par, lws_sspc_handle_t, parser);
memset(&h->rideshare_ofs[0], 0, sizeof(h->rideshare_ofs[0]));
h->rideshare_list[0] = '\0';
h->rsidx = 0;
if (!--par->rem)
par->ps = RPAR_TYPE;
else {
par->ps = RPAR_RESULT_CREATION_RIDESHARE;
if (par->rem >= sizeof(h->rideshare_list))
goto hangup;
}
break;
case RPAR_RESULT_CREATION_RIDESHARE:
h = lws_container_of(par, lws_sspc_handle_t, parser);
if (*cp == ',') {
cp++;
h->rideshare_list[par->rsl_pos++] = '\0';
if (par->rsl_idx == LWS_ARRAY_SIZE(h->rideshare_ofs))
goto hangup;
h->rideshare_ofs[++par->rsl_idx] = par->rsl_pos;
} else
h->rideshare_list[par->rsl_pos++] = *cp++;
if (!--par->rem)
par->ps = RPAR_TYPE;
break;
case RPAR_STATEINDEX:
par->ctr = *cp++;
par->ps = RPAR_ORD3;
break;
case RPAR_ORD3:
par->flags = (*cp++) << 24;
par->ps++;
break;
case RPAR_ORD2:
par->flags |= (*cp++) << 16;
par->ps++;
break;
case RPAR_ORD1:
par->flags |= (*cp++) << 8;
par->ps++;
break;
case RPAR_ORD0:
par->flags |= *cp++;
par->ps++;
par->ps = RPAR_TYPE;
/*
* we received a proxied state change
*/
switch (par->ctr) {
case LWSSSCS_DISCONNECTED:
case LWSSSCS_UNREACHABLE:
case LWSSSCS_AUTH_FAILED:
lws_ss_serialize_state_transition(state,
LPCS_LOCAL_CONNECTED);
break;
case LWSSSCS_CONNECTED:
lwsl_info("%s: CONNECTED %s\n", __func__,
ssi->streamtype);
lws_ss_serialize_state_transition(state,
LPCS_OPERATIONAL);
break;
default:
break;
}
if (par->ctr < 0 || par->ctr > 9)
goto hangup;
#if defined(_DEBUG)
lwsl_info("%s: forwarding proxied state %s\n",
__func__, sn[par->ctr]);
#endif
if (ssi->state((void *)pss, NULL, par->ctr, par->flags))
goto hangup;
break;
default:
goto hangup;
}
}
return 0;
hangup:
return -1;
}
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