int pubnub_generate_uuid_v3_name_md5(
struct Pubnub_UUID *uuid,
struct Pubnub_UUID *nsid,
void *name,
unsigned namelen
)
{
PBMD5_CTX ctx;
PUBNUB_ASSERT_OPT(uuid != NULL);
PUBNUB_ASSERT_OPT(nsid != NULL);
PUBNUB_ASSERT_OPT(name != NULL);
pbmd5_init(&ctx);
pbmd5_update(&ctx, nsid, sizeof *nsid);
pbmd5_update(&ctx, name, namelen);
pbmd5_final(&ctx, uuid->uuid);
uuid->uuid[6] &= 0x0F;
uuid->uuid[6] |= 0x30;
uuid->uuid[8] &= 0x3F;
uuid->uuid[8] |= 0x80;
return 0;
}
enum pubnub_res pubnub_get_decrypted(pubnub_t *pb, char const* cipher_key, char *s, size_t *n)
{
char *msg;
size_t msg_len;
uint8_t decoded_msg[PUBNUB_BUF_MAXLEN];
pubnub_bymebl_t data = { (uint8_t*)s, *n };
pubnub_bymebl_t buffer = { decoded_msg, PUBNUB_BUF_MAXLEN };
PUBNUB_ASSERT(pb_valid_ctx_ptr(pb));
PUBNUB_ASSERT_OPT(cipher_key != NULL);
PUBNUB_ASSERT_OPT(s != NULL);
PUBNUB_ASSERT_OPT(n != NULL);
msg = (char*)pubnub_get(pb);
if (NULL == msg) {
return PNR_INTERNAL_ERROR;
}
msg_len = strlen(msg);
if ((msg[0] != '"') || (msg[msg_len-1] != '"')) {
return PNR_FORMAT_ERROR;
}
msg[msg_len - 1] = '\0';
++msg;
pubnub_json_string_unescape_slash(msg);
if (0 != pubnub_decrypt_buffered(cipher_key, msg, &data, &buffer)) {
return PNR_INTERNAL_ERROR;
}
*n = data.size;
data.ptr[data.size] = '\0';
return PNR_OK;
}
int pubnub_set_transaction_timeout(pubnub_t *p, int duration_ms)
{
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(duration_ms > 0);
p->transaction_timeout_ms = duration_ms;
return 0;
}
/** Do the DNS QNAME (host) encoding. This strange kind of "run-time
length encoding" will convert `"www.google.com"` to
`"\3www\6google\3com"`.
*/
static unsigned char* dns_qname_encode(uint8_t *dns, size_t n, uint8_t const* host)
{
uint8_t *dest = dns + 1;
uint8_t *lpos = dns;
uint8_t const*const end = dns + n;
PUBNUB_ASSERT_OPT(n > 0);
PUBNUB_ASSERT_OPT(host != NULL);
PUBNUB_ASSERT_OPT(dns != NULL);
*lpos = '\0';
while (dest < end) {
char hc = *host++;
if ((hc != '.') && (hc != '\0')) {
*dest++ = hc;
}
else {
size_t d = dest - lpos;
*dest++ = '\0';
if (d > 63) {
/* label too long */
return NULL;
}
*lpos = d - 1;
lpos += d;
if ('\0' == hc) {
break;
}
}
}
return dns;
}
pubnub_t *pubnub_timer_list_remove(pubnub_t *list, pubnub_t *to_remove)
{
PUBNUB_ASSERT_OPT(list != NULL);
PUBNUB_ASSERT_OPT(to_remove != NULL);
if (list == to_remove) {
list = list->next;
if (NULL != list) {
list->previous = NULL;
}
to_remove->previous = to_remove->next = NULL;
return list;
}
if (NULL == to_remove->next) {
to_remove->previous->next = NULL;
to_remove->previous = NULL;
return list;
}
to_remove->next->timeout_left_ms += to_remove->timeout_left_ms;
to_remove->previous->next = to_remove->next;
to_remove->next->previous = to_remove->previous;
to_remove->previous = to_remove->next = NULL;
return list;
}
pubnub_t *pubnub_timer_list_as_time_goes_by(pubnub_t **pplist, int time_passed_ms)
{
pubnub_t *list;
pubnub_t *expired_list = NULL;
PUBNUB_ASSERT_OPT(pplist != NULL);
PUBNUB_ASSERT_OPT(time_passed_ms > 0);
list = *pplist;
if (NULL == list) {
return NULL;
}
if (list->timeout_left_ms > time_passed_ms) {
list->timeout_left_ms -= time_passed_ms;
return NULL;
}
expired_list = list;
while (list->timeout_left_ms <= time_passed_ms) {
time_passed_ms -= list->timeout_left_ms;
if (NULL == list->next) {
*pplist = NULL;
return expired_list;
}
list = list->next;
}
list->timeout_left_ms -= time_passed_ms;
PUBNUB_ASSERT(list->previous != NULL);
list->previous->next = NULL;
list->previous = NULL;
*pplist = list;
return expired_list;
}
int pubnub_set_connection_timeout(pubnub_t *p, int duration_s)
{
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(duration_s > 0);
p->connection_timeout_s = duration_s;
return 0;
}
enum pubnub_res pbcc_set_state_prep(struct pbcc_context *pb, char const *channel, char const *channel_group, const char *uuid, char const *state)
{
PUBNUB_ASSERT_OPT(uuid != NULL);
PUBNUB_ASSERT_OPT(state != NULL);
if (NULL == channel) {
if (NULL == channel_group) {
return PNR_INVALID_CHANNEL;
}
channel = ",";
}
if (pb->msg_ofs < pb->msg_end) {
return PNR_RX_BUFF_NOT_EMPTY;
}
pb->http_buf_len = snprintf(
pb->http_buf, sizeof pb->http_buf,
"/v2/presence/sub-key/%s/channel/%s/uuid/%s/data?pnsdk=%s&state=%s",
pb->subscribe_key, channel, uuid,
pubnub_uname(), state
);
APPEND_URL_PARAM_M(pb, "channel-group", channel_group, '&');
APPEND_URL_PARAM_M(pb, "auth", pb->auth, '&');
return PNR_STARTED;
}
void pbpal_ntf_callback_poller_deinit(struct pbpal_poll_data** data)
{
PUBNUB_ASSERT_OPT(data != NULL);
PUBNUB_ASSERT_OPT(*data != NULL);
free(*data);
*data = NULL;
}
int pbpal_ntf_poll_away(struct pbpal_poll_data* data, int ms)
{
int i;
int rslt;
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
struct timeval timeout;
if (0 == data->size) {
return 0;
}
timeout.tv_sec = ms / 1000;
timeout.tv_usec = (ms % 1000) * 1000;
memcpy(&readfds, &data->readfds, sizeof readfds);
memcpy(&writefds, &data->writefds, sizeof writefds);
memcpy(&exceptfds, &data->exceptfds, sizeof exceptfds);
rslt = select(data->nfds + 1, &readfds, &writefds, &exceptfds, &timeout);
if (SOCKET_ERROR == rslt) {
int last_err =
#if defined(_WIN32)
WSAGetLastError()
#else
errno
#endif
;
/* error? what to do about it? */
PUBNUB_LOG_WARNING(
"poll size = %u, error = %d\n", (unsigned)data->size, last_err);
return -1;
}
for (i = 0; (i < (int)data->size) && (rslt > 0); ++i) {
bool should_process = false;
if (FD_ISSET(data->asocket[i], &readfds)) {
should_process = true;
--rslt;
}
if (FD_ISSET(data->asocket[i], &writefds)) {
should_process = true;
--rslt;
PUBNUB_ASSERT_OPT(rslt >= 0);
}
if (FD_ISSET(data->asocket[i], &exceptfds)) {
should_process = true;
--rslt;
PUBNUB_ASSERT_OPT(rslt >= 0);
}
if (should_process) {
pbntf_requeue_for_processing(data->apb[i]);
}
}
PUBNUB_ASSERT_OPT(0 == rslt);
return rslt;
}
void pubnub_subloop_stop(pubnub_subloop_t* pbsld)
{
PUBNUB_ASSERT_OPT(NULL != pbsld);
pubnub_mutex_lock(pbsld->monitor);
PUBNUB_ASSERT_OPT(NULL != pbsld->pbp);
pubnub_register_callback(
pbsld->pbp, pbsld->saved_context_cb, pbsld->saved_context_user_data);
pubnub_cancel(pbsld->pbp);
pbsld->saved_context_cb = NULL;
pbsld->saved_context_user_data = NULL;
pubnub_mutex_unlock(pbsld->monitor);
}
pubnub_t *pubnub_timer_list_add(pubnub_t *list, pubnub_t *to_add)
{
int timeout_to_add_ms = to_add->transaction_timeout_ms;
pubnub_t *pbp;
PUBNUB_ASSERT_OPT(to_add != NULL);
if (NULL == list) {
list = to_add;
to_add->previous = to_add->next = NULL;
to_add->timeout_left_ms = timeout_to_add_ms;
return list;
}
PUBNUB_ASSERT_OPT(list != to_add);
if (timeout_to_add_ms < list->timeout_left_ms) {
list->timeout_left_ms -= timeout_to_add_ms;
to_add->next = list;
to_add->previous = NULL;
list->previous = to_add;
to_add->timeout_left_ms = timeout_to_add_ms;
return to_add;
}
pbp = list;
while (timeout_to_add_ms >= pbp->timeout_left_ms) {
timeout_to_add_ms -= pbp->timeout_left_ms;
if (NULL == pbp->next) {
pbp->next = to_add;
to_add->previous = pbp;
to_add->next = NULL;
to_add->timeout_left_ms = timeout_to_add_ms;
return list;
}
pbp = pbp->next;
PUBNUB_ASSERT_OPT(pbp != to_add);
}
pbp->timeout_left_ms -= timeout_to_add_ms;
to_add->next = pbp;
to_add->previous = pbp->previous;
PUBNUB_ASSERT(NULL != pbp->previous);
pbp->previous->next = to_add;
pbp->previous = to_add;
to_add->timeout_left_ms = timeout_to_add_ms;
return list;
}
bool pnfntst_got_message_on_channel(pubnub_t *p, char const *message, char const *channel)
{
char const *msg;
char const *chan;
PUBNUB_ASSERT(pb_valid_ctx_ptr(p));
PUBNUB_ASSERT_OPT(NULL != message);
PUBNUB_ASSERT_OPT(NULL != channel);
msg = pubnub_get(p);
chan = pubnub_get_channel(p);
if ((NULL == msg) || (NULL == chan)) {
return false;
}
return (strcmp(msg, message) == 0) && (strcmp(chan, channel) == 0);
}
pubnub_bymebl_t pubnub_get_decrypted_alloc(pubnub_t *pb, char const* cipher_key)
{
char *msg;
size_t msg_len;
pubnub_bymebl_t result = { NULL, 0 };
PUBNUB_ASSERT(pb_valid_ctx_ptr(pb));
PUBNUB_ASSERT_OPT(cipher_key != NULL);
msg = (char*)pubnub_get(pb);
if (NULL == msg) {
return result;
}
msg_len = strlen(msg);
if ((msg[0] != '"') || (msg[msg_len-1] != '"')) {
return result;
}
msg[msg_len - 1] = '\0';
++msg;
pubnub_json_string_unescape_slash(msg);
result = pubnub_decrypt_alloc(cipher_key, msg);
if (NULL != result.ptr) {
result.ptr[result.size] = '\0';
}
return result;
}
static void prepare_port_and_hostname(pubnub_t *pb, uint16_t* p_port, char const** p_origin)
{
PUBNUB_ASSERT(pb_valid_ctx_ptr(pb));
PUBNUB_ASSERT_OPT((pb->state == PBS_READY) || (pb->state == PBS_WAIT_DNS_SEND));
*p_origin = PUBNUB_ORIGIN_SETTABLE ? pb->origin : PUBNUB_ORIGIN;
#if PUBNUB_USE_SSL
if (pb->flags.trySSL) {
PUBNUB_ASSERT(pb->options.useSSL);
*p_port = TLS_PORT;
}
#endif
#if PUBNUB_PROXY_API
switch (pb->proxy_type) {
case pbproxyHTTP_CONNECT:
if (!pb->proxy_tunnel_established) {
*p_origin = pb->proxy_hostname;
}
*p_port = pb->proxy_port;
break;
case pbproxyHTTP_GET:
*p_origin = pb->proxy_hostname;
*p_port = pb->proxy_port;
PUBNUB_LOG_TRACE("Using proxy: %s : %hu\n", *p_origin, *p_port);
break;
default:
break;
}
#endif
return;
}
enum pubnub_res pbpal_resolv_and_connect(pubnub_t *pb)
{
struct freertos_sockaddr addr;
PUBNUB_ASSERT(pb_valid_ctx_ptr(pb));
PUBNUB_ASSERT_OPT((pb->state == PBS_IDLE) || (pb->state == PBS_WAIT_DNS));
addr.sin_port = FreeRTOS_htons(HTTP_PORT);
addr.sin_addr = FreeRTOS_gethostbyname(PUBNUB_ORIGIN_SETTABLE ? pb->origin : PUBNUB_ORIGIN);
if (addr.sin_addr == 0) {
return PNR_CONNECT_FAILED;
}
pb->pal.socket = FreeRTOS_socket(FREERTOS_AF_INET, FREERTOS_SOCK_STREAM, FREERTOS_IPPROTO_TCP);
if (pb->pal.socket == SOCKET_INVALID) {
return PNR_CONNECT_FAILED;
}
if (FreeRTOS_connect(pb->pal.socket, &addr, sizeof addr) != 0) {
FreeRTOS_closesocket(pb->pal.socket);
pb->pal.socket = SOCKET_INVALID;
return PNR_CONNECT_FAILED;
}
{
TickType_t tmval = pdMS_TO_TICKS(pb->transaction_timeout_ms);
FreeRTOS_setsockopt(pb->pal.socket, 0, FREERTOS_SO_RCVTIMEO, &tmval, sizeof tmval);
}
return PNR_OK;
}
enum pubnub_publish_res pubnub_parse_publish_result(char const *result)
{
PUBNUB_ASSERT_OPT(result != NULL);
if (strcmp(result, "\"Sent\"") == 0) {
return PNPUB_SENT;
}
if (strcmp(result, "\"Invalid JSON\"") == 0) {
return PNPUB_INVALID_JSON;
}
if (strncmp(result, "\"Invalid Character in Channel Name", 34) == 0) {
return PNPUB_INVALID_CHAR_IN_CHAN_NAME;
}
if (strncmp(result, "\"Account quota exceeded", 23) == 0) {
return PNPUB_ACCOUNT_QUOTA_EXCEEDED;
}
if (strcmp(result, "\"Message Too Large\"") == 0) {
return PNPUB_MESSAGE_TOO_LARGE;
}
if (strcmp(result, "\"Invalid Key\"") == 0) {
return PNPUB_INVALID_PUBLISH_KEY;
}
if (strncmp(result, "\"message\":", 10) == 0) {
if (strncmp(result + 10, "\"Invalid Subscribe Key\"", 23) == 0) {
return PNPUB_INVALID_SUBSCRIBE_KEY;
}
return PNPUB_UNKNOWN_JSON_OBJECT;
}
return PNPUB_UNKNOWN_ERROR;
}
static void save_socket(struct SocketWatcherData *watcher, pubnub_t *pb)
{
size_t i;
pbpal_native_socket_t sockt = pubnub_get_native_socket(pb);
PUBNUB_ASSERT(watcher->apoll_size <= watcher->apoll_cap);
if (INVALID_SOCKET == sockt) {
return;
}
for (i = 0; i < watcher->apoll_size; ++i) {
PUBNUB_ASSERT_OPT(watcher->apoll[i].fd != sockt);
}
if (watcher->apoll_size == watcher->apoll_cap) {
size_t newcap = watcher->apoll_cap + 2;
WSAPOLLFD *npapoll = (WSAPOLLFD*)realloc(watcher->apoll, sizeof watcher->apoll[0] * newcap);
if (NULL == npapoll) {
return;
}
else {
pubnub_t **npapb = (pubnub_t**)realloc(watcher->apb, sizeof watcher->apb[0] * newcap);
watcher->apoll = npapoll;
if (NULL == npapb) {
return;
}
watcher->apb = npapb;
}
watcher->apoll_cap = newcap;
}
watcher->apoll[watcher->apoll_size].fd = sockt;
watcher->apoll[watcher->apoll_size].events = POLLOUT;
watcher->apb[watcher->apoll_size] = pb;
++watcher->apoll_size;
}
static void sublup_context_callback(pubnub_t* pb,
enum pubnub_trans trans,
enum pubnub_res result,
void* user_data)
{
pubnub_subloop_t* pbsld = (pubnub_subloop_t*)user_data;
PUBNUB_ASSERT_OPT(pbsld != NULL);
pubnub_mutex_lock(pbsld->monitor);
if (PBTT_SUBSCRIBE == trans) {
if (PNR_OK == result) {
char const* msg;
for (msg = pubnub_get(pb); msg != NULL; msg = pubnub_get(pb)) {
pbsld->cb(pb, msg, PNR_OK);
}
}
else {
pbsld->cb(pb, NULL, result);
}
result = pubnub_subscribe_ex(pbsld->pbp, pbsld->channel, pbsld->options);
if (result != PNR_STARTED) {
PUBNUB_LOG_ERROR("Failed to re-subscribe in the subscribe loop, "
"error code = %d\n",
result);
}
}
pubnub_mutex_unlock(pbsld->monitor);
}
/* Do the DNS label decoding. Apart from the RLE decoding of
`3www6google3com0` -> `www.google.com`, it also has a
"(de)compression" scheme in which a label can be shared with
another in the same buffer.
*/
static unsigned char *dns_label_decode(uint8_t *label, size_t n, uint8_t const*src, uint8_t const* buffer, size_t buffer_size, size_t *o_bytes_to_skip)
{
uint8_t *dest = label;
uint8_t const*const end = label + n;
PUBNUB_ASSERT_OPT(n > 0);
PUBNUB_ASSERT_OPT(src != NULL);
PUBNUB_ASSERT_OPT(buffer != NULL);
PUBNUB_ASSERT_OPT(label != NULL);
PUBNUB_ASSERT_OPT(o_bytes_to_skip != NULL);
*o_bytes_to_skip = 0;
while (dest < end) {
uint8_t b = *src;
if (b & 0xC0) {
uint16_t offset = (b & 0x3F) * 256 + src[1];
if (0 == *o_bytes_to_skip) {
*o_bytes_to_skip = dest - label + 2;
}
if (offset >= buffer_size) {
*dest = '\0';
break;
}
src = buffer + offset;
}
else if (0 == b) {
break;
}
else {
if (dest != label) {
*dest++ = '.';
}
if (dest + b >= end) {
*dest = '\0';
break;
}
memcpy(dest, src+1, b);
dest[b] = '\0';
dest += b;
src += b+1;
}
}
if (*o_bytes_to_skip == 0) {
*o_bytes_to_skip = dest - label;
}
return label;
}
bool pbpal_read_over(pubnub_t *pb)
{
unsigned to_read = 0;
WATCH_ENUM(pb->sock_state);
WATCH_USHORT(pb->readlen);
WATCH_USHORT(pb->left);
WATCH_UINT(pb->len);
if (pb->readlen == 0) {
int recvres;
to_read = pb->len - pbpal_read_len(pb);
if (to_read > pb->left) {
to_read = pb->left;
}
recvres = socket_recv(pb->pal.socket, (char*)pb->ptr, to_read, 0);
if (recvres <= 0) {
/* This is error or connection close, which may be handled
in some way...
*/
return false;
}
pb->sock_state = STATE_READ;
pb->readlen = recvres;
}
to_read = pb->len;
if (pb->readlen < to_read) {
to_read = pb->readlen;
}
pb->ptr += to_read;
pb->readlen -= to_read;
PUBNUB_ASSERT_OPT(pb->left >= to_read);
pb->left -= to_read;
pb->len -= to_read;
if (pb->len == 0) {
pb->sock_state = STATE_NONE;
return true;
}
if (pb->left == 0) {
/* Buffer has been filled, but the requested block has not been
* read. We have to "reset" this "mini-fsm", as otherwise we
* won't read anything any more. This means that we have lost
* the current contents of the buffer, which is bad. In some
* general code, that should be reported, as the caller could
* save the contents of the buffer somewhere else or simply
* decide to ignore this block (when it does end eventually).
*/
pb->sock_state = STATE_NONE;
}
else {
pb->sock_state = STATE_NEWDATA_EXHAUSTED;
return false;
}
return true;
}
enum pbpal_resolv_n_connect_result pbpal_check_resolv_and_connect(pubnub_t *pb)
{
/* Under OpenSSL, this function should never be called. Either
we're synchrnous and just connected or not, or we're async, in
which case, pbpal_check_connect() will be called.
*/
PUBNUB_ASSERT_OPT(pb == NULL);
return pbpal_connect_failed;
}
size_t pbjson_element_strcpy(struct pbjson_elem const* p, char* s, size_t n)
{
size_t len;
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(s != NULL);
PUBNUB_ASSERT_OPT(n > 0);
len = p->end - p->start;
if (len >= n) {
len = n - 1;
}
if (len > 0) {
memcpy(s, p->start, len);
}
s[len] = '\0';
return len + 1;
}
int pbntf_got_socket(pubnub_t *pb, pb_socket_t socket)
{
size_t i = find_pbp(&m_watcher, pb);
PUBNUB_ASSERT_OPT(i == m_watcher.apb_size);
if (i == m_watcher.apb_size) {
save_socket(&m_watcher, pb);
if (PUBNUB_TIMERS_API) {
m_watcher.timer_head = pubnub_timer_list_add(m_watcher.timer_head, pb);
}
}
return +1;
}
enum pubnub_res pbcc_channel_registry_prep(struct pbcc_context *pb, char const *channel_group, char const *param, char const *channel)
{
PUBNUB_ASSERT_OPT(channel_group != NULL);
pb->http_buf_len = snprintf(
pb->http_buf, sizeof pb->http_buf,
"/v1/channel-registration/sub-key/%s/channel-group/%s?pnsdk=%s",
pb->subscribe_key, channel_group, pubnub_uname()
);
if (NULL != param) {
enum pubnub_res rslt;
PUBNUB_ASSERT_OPT(channel != NULL);
rslt = append_url_param(pb, param, strlen(param), channel, '&');
if (rslt != PNR_OK) {
return rslt;
}
}
APPEND_URL_PARAM_M(pb, "auth", pb->auth, '&');
return PNR_STARTED;
}
int pbcrypto_signature(struct pbcc_context *pbcc, char const *channel, char const* msg, char *signature, size_t n)
{
PBMD5_CTX md5;
char s[2] = { '/', '\0' };
uint8_t digest[16];
PUBNUB_ASSERT_OPT(channel != NULL);
PUBNUB_ASSERT_OPT(msg != NULL);
PUBNUB_ASSERT_OPT(signature != NULL);
PUBNUB_ASSERT_OPT(n > 32);
if (!PUBNUB_CRYPTO_API || (NULL == pbcc->secret_key)) {
return -1;
}
pbmd5_init(&md5);
pbmd5_update_str(&md5, pbcc->publish_key);
pbmd5_update(&md5, s, 1);
pbmd5_update_str(&md5, pbcc->subscribe_key);
pbmd5_update(&md5, s, 1);
pbmd5_update_str(&md5, pbcc->secret_key);
pbmd5_update(&md5, s, 1);
pbmd5_update_str(&md5, channel);
pbmd5_update(&md5, s, 1);
pbmd5_update_str(&md5, msg);
s[0] = '\0';
pbmd5_update(&md5, s, 1);
pbmd5_final(&md5, digest);
snprintf(signature, n,
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
digest[0], digest[1], digest[2], digest[3],
digest[4], digest[5], digest[6], digest[7],
digest[8], digest[9], digest[10], digest[11],
digest[12], digest[13], digest[14], digest[15]
);
return 0;
}
void pballoc_free_at_last(pubnub_t* pb)
{
PUBNUB_LOG_TRACE("pballoc_free_at_last(%p)\n", pb);
PUBNUB_ASSERT_OPT(pb != NULL);
PUBNUB_LOG_TRACE("pubnub_free_at_last(%p)\n", pb);
pubnub_mutex_lock(pb->monitor);
pubnub_mutex_init_static(m_lock);
pubnub_mutex_lock(m_lock);
PUBNUB_ASSERT_OPT(pb->state == PBS_NULL);
pbcc_deinit(&pb->core);
pbpal_free(pb);
remove_allocated(pb);
pubnub_mutex_unlock(pb->monitor);
pubnub_mutex_destroy(pb->monitor);
pubnub_mutex_unlock(m_lock);
free(pb);
}
enum pubnub_res pubnub_subloop_start(pubnub_subloop_t* pbsld)
{
enum pubnub_res rslt;
pubnub_callback_t saved_ctx_cb;
void* saved_ctx_data;
PUBNUB_ASSERT_OPT(NULL != pbsld);
pubnub_mutex_lock(pbsld->monitor);
PUBNUB_ASSERT_OPT(NULL != pbsld->pbp);
saved_ctx_cb = pubnub_get_callback(pbsld->pbp);
saved_ctx_data = pubnub_get_user_data(pbsld->pbp);
rslt = pubnub_register_callback(pbsld->pbp, sublup_context_callback, pbsld);
if (PNR_OK == rslt) {
pbsld->saved_context_cb = saved_ctx_cb;
pbsld->saved_context_user_data = saved_ctx_data;
rslt = pubnub_subscribe_ex(pbsld->pbp, pbsld->channel, pbsld->options);
}
pubnub_mutex_unlock(pbsld->monitor);
return rslt;
}
void pbproxy_handle_http_header(pubnub_t *p, char const* header)
{
char scheme_basic[] = "Basic";
char scheme_NTLM[] = "NTLM";
char proxy_auth[] = "Proxy-Authenticate: ";
char const* contents;
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(header != NULL);
if (strncmp(p->core.http_buf, proxy_auth, sizeof proxy_auth - 1) != 0) {
return;
}
contents = p->core.http_buf + sizeof proxy_auth - 1;
PUBNUB_LOG_TRACE("pbproxy_handle_http_header(header='%s', contents='%s')\n", header, contents);
if (0 == strncmp(contents, scheme_basic, sizeof scheme_basic -1)) {
/* We ignore the "realm" for now */
PUBNUB_LOG_TRACE("pbproxy_handle_http_header() Basic authentication\n");
p->proxy_auth_scheme = pbhtauBasic;
p->proxy_authorization_sent = false;
}
else if (0 == strncmp(contents, scheme_NTLM, sizeof scheme_NTLM -1)) {
if (pbhtauNTLM != p->proxy_auth_scheme) {
pbntlm_core_init(p);
p->proxy_auth_scheme = pbhtauNTLM;
p->proxy_authorization_sent = false;
}
else {
char const *base64_msg = contents + sizeof scheme_NTLM;
pbntlm_core_handle(p, base64_msg, strcspn(base64_msg, " \r\n"));
}
}
else {
PUBNUB_LOG_ERROR("Proxy Authentication '%s' not supported\n", contents);
p->proxy_auth_scheme = pbhtauNone;
}
}
enum pubnub_res pbcc_remove_channel_group_prep(struct pbcc_context *pb, char const *channel_group)
{
PUBNUB_ASSERT_OPT(channel_group != NULL);
pb->http_buf_len = snprintf(
pb->http_buf, sizeof pb->http_buf,
"/v1/channel-registration/sub-key/%s/channel-group/%s/remove?pnsdk=%s",
pb->subscribe_key, channel_group, pubnub_uname()
);
APPEND_URL_PARAM_M(pb, "auth", pb->auth, '&');
return PNR_STARTED;
}