mardock2009/oscam-2.26.01-11942-802-with-Advanced-fake-dcw-detection
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oscam-2.26.01-11942-802-wit.../module-streamrelay.c

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Initial commit – mój build oscama z Advanced fake DCW detection
2026-02-16 09:02:48 +00:00
#define MODULE_LOG_PREFIX "relay"
#include "globals.h"
#ifdef MODULE_STREAMRELAY
#if !STATIC_LIBDVBCSA
#include <dlfcn.h>
#endif
#include "module-streamrelay.h"
#include "oscam-chk.h"
#include "oscam-client.h"
#include "oscam-config.h"
#include "oscam-net.h"
#include "oscam-string.h"
#include "oscam-time.h"
#define STREAM_UNDEFINED 0x00
#define STREAM_VIDEO 0x01
#define STREAM_AUDIO 0x02
#define STREAM_SUBTITLE 0x03
#define STREAM_TELETEXT 0x04
extern int32_t exit_oscam;
typedef struct
{
int32_t connfd;
int32_t connid;
char stream_host[256];
} stream_client_conn_data;
char *stream_source_auth = NULL;
uint32_t cluster_size = 50;
bool has_dvbcsa_ecm = 0, is_dvbcsa_static = 1;
#if DVBCSA_KEY_ECM
static uint8_t (*dvbcsa_get_ecm_table_fn)(void) = NULL;
#endif
static uint8_t stream_server_mutex_init = 0;
static pthread_mutex_t stream_server_mutex;
static int32_t glistenfd, mod_idx, gconncount = 0, gconnfd[STREAM_SERVER_MAX_CONNECTIONS], stream_resptime[STREAM_SERVER_MAX_CONNECTIONS];
static char ecm_src[STREAM_SERVER_MAX_CONNECTIONS][9];
static IN_ADDR_T client_ip[STREAM_SERVER_MAX_CONNECTIONS], stream_host_ip[STREAM_SERVER_MAX_CONNECTIONS];
static in_port_t client_port[STREAM_SERVER_MAX_CONNECTIONS];
struct s_client *streamrelay_client[STREAM_SERVER_MAX_CONNECTIONS];
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static pthread_mutex_t fixed_key_srvid_mutex;
static uint16_t stream_cur_srvid[STREAM_SERVER_MAX_CONNECTIONS];
static stream_client_key_data key_data[STREAM_SERVER_MAX_CONNECTIONS];
Initial commit – mój build oscama z Advanced fake DCW detection
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#if DVBCSA_KEY_ECM
static uint16_t last_srvid[STREAM_SERVER_MAX_CONNECTIONS];
#endif
#ifdef MODULE_RADEGAST
static int32_t gRadegastFd = 0;
static bool connect_to_radegast(void)
{
struct SOCKADDR cservaddr;
if (gRadegastFd == 0)
{ gRadegastFd = socket(DEFAULT_AF, SOCK_STREAM, 0); }
if (gRadegastFd < 0)
{
gRadegastFd = 0;
return false;
}
int32_t flags = fcntl(gRadegastFd, F_GETFL);
fcntl(gRadegastFd, F_SETFL, flags | O_NONBLOCK);
bzero(&cservaddr, sizeof(cservaddr));
SIN_GET_FAMILY(cservaddr) = DEFAULT_AF;
SIN_GET_PORT(cservaddr) = htons(cfg.rad_port);
SIN_GET_ADDR(cservaddr) = cfg.rad_srvip;
if (connect(gRadegastFd, (struct sockaddr *)&cservaddr, sizeof(cservaddr)) == -1)
{ return false; }
return true;
}
static void close_radegast_connection(void)
{
close(gRadegastFd);
gRadegastFd = 0;
}
static bool send_to_radegast(uint8_t* data, int len)
{
if (send(gRadegastFd, data, len, 0) < 0)
{
cs_log("send_to_radegast: Send failure! (errno=%d %s)", errno, strerror(errno));
return false;
}
return true;
}
static void radegast_client_ecm(stream_client_data *cdata)
{
uint16_t section_length = SCT_LEN(cdata->ecm_data);
uint8_t md5tmp[MD5_DIGEST_LENGTH];
MD5(cdata->ecm_data, section_length, md5tmp);
if (!memcmp(cdata->ecm_md5, md5tmp, MD5_DIGEST_LENGTH))
{ return; }
memcpy(cdata->ecm_md5, md5tmp, MD5_DIGEST_LENGTH);
uint16_t packet_len;
static uint8_t header_len = 2;
static uint8_t payload_static_len = 12;
if (gRadegastFd <= 0)
{
cs_log("HTTP stream including ECM header. Connecting radegast server to parse ECM data");
connect_to_radegast();
}
packet_len = header_len + payload_static_len + section_length;
uint8_t outgoing_data[packet_len];
outgoing_data[0] = 1;
outgoing_data[1] = payload_static_len + section_length;
outgoing_data[2] = 10; // caid
outgoing_data[3] = 2;
outgoing_data[4] = cdata->caid >> 8;
outgoing_data[5] = cdata->caid & 0xFF;
outgoing_data[6] = 9; // srvid
outgoing_data[7] = 4;
outgoing_data[8] = cdata->srvid & 0xFF;
outgoing_data[10] = cdata->srvid >> 8;
outgoing_data[12] = 3;
outgoing_data[13] = section_length;
memcpy(outgoing_data + header_len + payload_static_len, cdata->ecm_data, section_length);
if (!send_to_radegast(outgoing_data, packet_len))
{
close_radegast_connection();
if (connect_to_radegast())
{ send_to_radegast(outgoing_data, packet_len); }
}
}
void ParseEcmData(stream_client_data *cdata)
{
uint8_t *data = cdata->ecm_data;
uint16_t section_length = SCT_LEN(data);
if (section_length < 11)
{ return; }
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cs_strncpy(ecm_src[cdata->connid], "radegast", sizeof(ecm_src[cdata->connid]));
radegast_client_ecm(cdata);
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}
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#endif // MODULE_RADEGAST
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static void write_cw(ECM_REQUEST *er, int32_t connid)
{
#if DVBCSA_KEY_ECM
const uint8_t ecm = (cfg.stream_relay_ctab.ctnum == 0 && !select_csa_alt(er))
? 0
: get_ecm_mode(er);
#endif
if (memcmp(er->cw, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0)
{
if (has_dvbcsa_ecm)
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{ dvbcsa_bs_key_set(er->cw, key_data[connid].key[EVEN]); }
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}
if (memcmp(er->cw + 8, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0)
{
if (has_dvbcsa_ecm)
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{ dvbcsa_bs_key_set(er->cw + 8, key_data[connid].key[ODD]); }
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}
#if DVBCSA_KEY_ECM
if (er->srvid != last_srvid[connid] && ecm != 0 && has_dvbcsa_ecm)
{
cs_log(dvbcsa_get_ecm_table_fn
? "Using ecm_mode=0x%02X, libdvbcsa table 0x%02X"
: "Using ecm_mode=0x%02X",
ecm,
dvbcsa_get_ecm_table_fn ? dvbcsa_get_ecm_table_fn() : 0);
last_srvid[connid] = er->srvid;
}
#endif
}
static void update_client_info(ECM_REQUEST *er, int32_t connid)
{
time_t now;
time(&now);
if (cfg.stream_display_client)
{
streamrelay_client[connid]->ip = stream_host_ip[connid];
streamrelay_client[connid]->port = cfg.stream_source_port;
}
else
{
streamrelay_client[connid]->ip = client_ip[connid];
streamrelay_client[connid]->port = client_port[connid];
}
streamrelay_client[connid]->last_srvid = er->srvid;
streamrelay_client[connid]->last_provid = er->prid;
streamrelay_client[connid]->last_caid = er->caid;
#ifdef WEBIF
snprintf(streamrelay_client[connid]->lastreader, sizeof(streamrelay_client[connid]->lastreader), "⇆ %.*s", 11, ecm_src[connid]);
#endif
streamrelay_client[connid]->cwlastresptime = stream_resptime[connid];
streamrelay_client[connid]->lastecm = now;
streamrelay_client[connid]->lastswitch = streamrelay_client[connid]->last = time((time_t *)0); // reset idle-Time & last switch
}
bool stream_write_cw(ECM_REQUEST *er)
{
int32_t i;
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if (er->rc == E_FOUND)
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{
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bool cw_written = false;
//SAFE_MUTEX_LOCK(&fixed_key_srvid_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
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{
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if (stream_cur_srvid[i] == er->srvid)
{
write_cw(er, i);
update_client_info(er, i);
cw_written = true;
// don't return as there might be more connections for the same channel (e.g. recordings)
}
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}
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//SAFE_MUTEX_UNLOCK(&fixed_key_srvid_mutex);
return cw_written;
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}
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return true;
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}
static void SearchTsPackets(const uint8_t *buf, const uint32_t bufLength, uint16_t *packetSize, uint16_t *startOffset)
{
uint32_t i;
for (i = 0; i < bufLength; i++)
{
if (buf[i] == 0x47)
{
// if three packets align, probably safe to assume correct size
if ((buf[i + 188] == 0x47) & (buf[i + 376] == 0x47))
{
(*packetSize) = 188;
(*startOffset) = i;
return;
}
else if ((buf[i + 204] == 0x47) & (buf[i + 408] == 0x47))
{
(*packetSize) = 204;
(*startOffset) = i;
return;
}
else if ((buf[i + 208] == 0x47) & (buf[i + 416] == 0x47))
{
(*packetSize) = 208;
(*startOffset) = i;
return;
}
}
}
(*packetSize) = 0;
(*startOffset) = 0;
}
typedef void (*ts_data_callback)(stream_client_data *cdata);
static void ParseTsData(const uint8_t table_id, const uint8_t table_mask, const uint8_t min_table_length, int8_t *flag,
uint8_t *data, const uint16_t data_length, uint16_t *data_pos, const int8_t payloadStart,
const uint8_t *buf, const int32_t len, ts_data_callback func, stream_client_data *cdata)
{
int32_t i;
uint16_t offset = 0;
bool found_start = 0;
if (len < 1)
{ return; }
if (*flag == 0 && !payloadStart)
{ return; }
if (*flag == 0)
{
*data_pos = 0;
offset = 1 + buf[0];
}
else if (payloadStart)
{ offset = 1; }
if ((len - offset) < 1)
{ return; }
const int32_t free_data_length = (data_length - *data_pos);
const int32_t copySize = (len - offset) > free_data_length ? free_data_length : (len - offset);
memcpy(data + *data_pos, buf + offset, copySize);
*data_pos += copySize;
for (i = 0; i < *data_pos; i++)
{
if ((data[i] & table_mask) == table_id)
{
if (i != 0)
{
if (*data_pos - i > i)
{ memmove(data, &data[i], *data_pos - i); }
else
{ memcpy(data, &data[i], *data_pos - i); }
*data_pos -= i;
}
found_start = 1;
break;
}
}
const uint16_t section_length = SCT_LEN(data);
if (!found_start || (section_length > data_length) || (section_length < min_table_length))
{
*flag = 0;
return;
}
if ((*data_pos < section_length) || (*data_pos < 3))
{
*flag = 2;
return;
}
func(cdata);
found_start = 0;
for (i = section_length; i < *data_pos; i++)
{
if ((data[i] & table_mask) == table_id)
{
if (*data_pos - i > i)
{ memmove(data, &data[i], *data_pos - i); }
else
{ memcpy(data, &data[i], *data_pos - i); }
*data_pos -= i;
found_start = 1;
break;
}
}
if (!found_start || (data_length < *data_pos + copySize + 1))
{ *data_pos = 0; }
*flag = 1;
}
static void ParsePatData(stream_client_data *cdata)
{
int32_t i;
uint16_t srvid;
for (i = 8; i + 7 < SCT_LEN(cdata->pat_data); i += 4)
{
srvid = b2i(2, cdata->pat_data + i);
if (srvid == 0)
{ continue; }
if (cdata->srvid == srvid)
{
cdata->pmt_pid = b2i(2, cdata->pat_data + i + 2) & 0x1FFF;
cs_log_dbg(D_READER, "Stream client %i found pmt pid: 0x%04X (%i)",
cdata->connid, cdata->pmt_pid, cdata->pmt_pid);
break;
}
}
}
static void ParseDescriptors(const uint8_t *buffer, const uint16_t info_length, uint8_t *type)
{
uint32_t i;
uint8_t j, descriptor_length = 0;
if (info_length < 1)
{ return; }
for (i = 0; i + 1 < info_length; i += descriptor_length + 2)
{
descriptor_length = buffer[i + 1];
switch (buffer[i]) // descriptor tag
{
case 0x05: // Registration descriptor
{
// "HDMV" format identifier is removed
// Cam does not need to know about Blu-ray
const char format_identifiers_audio[10][5] =
{
"AC-3", "BSSD", "dmat", "DRA1", "DTS1",
"DTS2", "DTS3", "EAC3", "mlpa", "Opus",
};
for (j = 0; j < 10; j++)
{
if (memcmp(buffer + i + 2, format_identifiers_audio[j], 4) == 0)
{
*type = STREAM_AUDIO;
break;
}
}
break;
}
//case 0x09: // CA descriptor
//{
// break;
//}
case 0x46: // VBI teletext descriptor (DVB)
case 0x56: // teletext descriptor (DVB)
{
*type = STREAM_TELETEXT;
break;
}
case 0x59: // subtitling descriptor (DVB)
{
*type = STREAM_SUBTITLE;
break;
}
case 0x6A: // AC-3 descriptor (DVB)
case 0x7A: // enhanced AC-3 descriptor (DVB)
case 0x7B: // DTS descriptor (DVB)
case 0x7C: // AAC descriptor (DVB)
case 0x81: // AC-3 descriptor (ATSC)
case 0xCC: // Enhanced AC-3 descriptor (ATSC)
{
*type = STREAM_AUDIO;
break;
}
case 0x7F: // extension descriptor (DVB)
{
switch (buffer[i + 2]) // extension descriptor tag
{
case 0x0E: // DTS-HD descriptor (DVB)
case 0x0F: // DTS Neural descriptor (DVB)
case 0x15: // AC-4 descriptor (DVB)
*type = STREAM_AUDIO;
break;
case 0x20: // TTML subtitling descriptor (DVB)
*type = STREAM_SUBTITLE;
break;
default:
*type = STREAM_UNDEFINED;
break;
}
break;
}
default:
break;
}
}
}
static void stream_parse_pmt_ca_descriptor(const uint8_t *data, const int32_t data_pos, const int32_t offset, const uint16_t info_length, stream_client_data *cdata)
{
if (cdata->ecm_pid)
{ return; }
// parse program descriptors (we are looking only for CA descriptor here)
int32_t i;
uint16_t caid;
uint8_t descriptor_tag, descriptor_length = 0;
for (i = offset; i + 1 < offset + info_length; i += descriptor_length + 2)
{
descriptor_tag = data[i + data_pos];
descriptor_length = data[i + 1 + data_pos];
if (descriptor_length < 1)
{ break; }
if (i + 1 + descriptor_length >= offset + info_length)
{ break; }
if (descriptor_tag == 0x09 && descriptor_length >= 4)
{
caid = b2i(2, data + i + 2 + data_pos);
if (cfg.stream_relay_ctab.ctnum == 0 || chk_ctab_ex(caid, &cfg.stream_relay_ctab))
{
if (cdata->caid == NO_CAID_VALUE)
{ cdata->caid = caid; }
if (cdata->caid != caid)
{ continue; }
cdata->ecm_pid = b2i(2, data + i + 4 + data_pos) & 0x1FFF;
cs_log_dbg(D_READER, "Stream client %i found ecm pid: 0x%04X (%i)",
cdata->connid, cdata->ecm_pid, cdata->ecm_pid);
}
else if (cdata->blocked_caid == NO_CAID_VALUE)
{
// Remember first blocked CAID for error message
cdata->blocked_caid = caid;
}
}
}
}
static void ParsePmtData(stream_client_data *cdata)
{
int32_t i;
uint16_t program_info_length = 0, es_info_length = 0, elementary_pid;
const uint16_t section_length = SCT_LEN(cdata->pmt_data);
uint8_t offset = 0;
cdata->ecm_pid = 0;
cdata->pcr_pid = b2i(2, cdata->pmt_data + 8) & 0x1FFF;
if (cdata->pcr_pid != 0x1FFF)
{ cs_log_dbg(D_READER, "Stream client %i found pcr pid: 0x%04X (%i)",
cdata->connid, cdata->pcr_pid, cdata->pcr_pid); }
program_info_length = b2i(2, cdata->pmt_data + 10) & 0xFFF;
if (!program_info_length)
{
offset = 5;
program_info_length = (b2i(2, cdata->pmt_data + 10 + offset) & 0xFFF);
}
if (12 + offset + program_info_length >= section_length)
{ return; }
stream_parse_pmt_ca_descriptor(cdata->pmt_data, 0, 12 + offset, program_info_length, cdata);
offset = offset == 5 ? 0 : program_info_length;
for (i = 12 + offset; i + 4 < section_length; i += 5 + es_info_length)
{
elementary_pid = b2i(2, cdata->pmt_data + i + 1) & 0x1FFF;
es_info_length = b2i(2, cdata->pmt_data + i + 3) & 0xFFF;
switch (cdata->pmt_data[i]) // stream type
{
case 0x01:
case 0x02:
case 0x10:
case 0x1B:
case 0x20:
case 0x24:
case 0x25:
case 0x42:
case 0xD1:
case 0xEA:
{
cs_log_dbg(D_READER, "Stream client %i found video pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid);
stream_parse_pmt_ca_descriptor(cdata->pmt_data, i, 5, es_info_length, cdata);
break;
}
case 0x03:
case 0x04:
case 0x0F:
case 0x11:
case 0x1C:
case 0x2D:
case 0x2E:
case 0x81:
{
cs_log_dbg(D_READER, "Stream client %i found audio pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid);
break;
}
case 0x06:
//case 0x81: // some ATSC AC-3 streams do not contain the AC-3 descriptor!
case 0x87:
{
uint8_t type = STREAM_UNDEFINED;
ParseDescriptors(cdata->pmt_data + i + 5, es_info_length, &type);
if (type == STREAM_AUDIO)
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{ cs_log_dbg(D_READER, "Stream client %i found audio pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid); }
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else if (type == STREAM_TELETEXT)
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{ cs_log_dbg(D_READER, "Stream client %i found teletext pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid); }
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break;
}
}
}
}
static void ParseTsPackets(stream_client_data *data, uint8_t *stream_buf, uint32_t bufLength, uint16_t packetSize)
{
uint8_t payloadStart;
uint16_t pid, offset;
uint32_t i, tsHeader;
for (i = 0; i < bufLength; i += packetSize)
{
tsHeader = b2i(4, stream_buf + i);
pid = (tsHeader & 0x1FFF00) >> 8;
payloadStart = (tsHeader & 0x400000) >> 22;
if (tsHeader & 0x20)
{ offset = 4 + stream_buf[i + 4] + 1; }
else
{ offset = 4; }
if (packetSize - offset < 1)
{ continue; }
if (pid == 0x0000 && data->have_pat_data != 1) // Search the PAT for the PMT pid
{
ParseTsData(0x00, 0xFF, 16, &data->have_pat_data, data->pat_data, sizeof(data->pat_data),
&data->pat_data_pos, payloadStart, stream_buf + i + offset, packetSize - offset, ParsePatData, data);
continue;
}
if (pid == data->pmt_pid && data->have_pmt_data != 1) // Search the PMT for PCR, ECM, Video and Audio pids
{
ParseTsData(0x02, 0xFF, 21, &data->have_pmt_data, data->pmt_data, sizeof(data->pmt_data),
&data->pmt_data_pos, payloadStart, stream_buf + i + offset, packetSize - offset, ParsePmtData, data);
continue;
}
// We have bot PAT and PMT data - No need to search the rest of the packets
if (data->have_pat_data == 1 && data->have_pmt_data == 1)
{ break; }
}
}
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static void decrypt(struct dvbcsa_bs_batch_s *tsbbatch, uint16_t fill[2], const uint8_t oddeven, const int32_t connid)
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{
if (fill[oddeven] > 0)
{
#if 0
uint16_t i;
for (i = fill[oddeven]; i <= cluster_size; i++)
{
tsbbatch[i].data = NULL;
tsbbatch[i].len = 0;
}
#else
tsbbatch[fill[oddeven]].data = NULL;
#endif
cs_log_dbg(D_READER, "dvbcsa (%s), batch=%d", oddeven == ODD ? "odd" : "even", fill[oddeven]);
fill[oddeven] = 0;
dvbcsa_bs_decrypt(key_data[connid].key[oddeven], tsbbatch, 184);
}
}
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#define decrypt(a) decrypt(tsbbatch, fill, a, data->connid)
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static void DescrambleTsPackets(stream_client_data *data, uint8_t *stream_buf, uint32_t bufLength, uint16_t packetSize, struct dvbcsa_bs_batch_s *tsbbatch)
{
uint32_t i, tsHeader;
uint16_t offset, fill[2] = {0,0};
uint8_t oddeven = 0;
#ifdef MODULE_RADEGAST
uint16_t pid;
uint8_t payloadStart;
#endif
for (i = 0; i < bufLength; i += packetSize)
{
tsHeader = b2i(4, stream_buf + i);
#ifdef MODULE_RADEGAST
pid = (tsHeader & 0x1FFF00) >> 8;
payloadStart = (tsHeader & 0x400000) >> 22;
#endif
offset = (tsHeader & 0x20) ? 4 + stream_buf[i + 4] + 1 : 4;
if (packetSize - offset < 1)
{ continue; }
#ifdef MODULE_RADEGAST
if (data->ecm_pid && pid == data->ecm_pid) // Process the ECM data
{
// set to null pid
stream_buf[i + 1] |= 0x1F;
stream_buf[i + 2] = 0xFF;
ParseTsData(0x80, 0xFE, 3, &data->have_ecm_data, data->ecm_data, sizeof(data->ecm_data),
&data->ecm_data_pos, payloadStart, stream_buf + i + offset, packetSize - offset, ParseEcmData, data);
continue;
}
#endif // MODULE_RADEGAST
if ((tsHeader & 0xC0) == 0)
{ continue; }
stream_buf[i + 3] &= 0x3f; // consider it decrypted now
oddeven = (tsHeader & 0xC0) == 0xC0 ? ODD: EVEN;
decrypt(oddeven == ODD ? EVEN : ODD);
tsbbatch[fill[oddeven]].data = &stream_buf[i + offset];
tsbbatch[fill[oddeven]].len = packetSize - offset;
fill[oddeven]++;
if (fill[oddeven] > cluster_size - 1)
{ decrypt(oddeven); }
}
decrypt(oddeven);
}
static void http_log(char *log_txt, int32_t status, const char *msg)
{
char *msg_stripped = remove_newline_chars(msg);
cs_log_dbg(D_CLIENT, log_txt, status, msg_stripped);
NULLFREE(msg_stripped);
}
static int32_t switch_stream_source_host(stream_client_conn_data *conndata, int8_t *errorCount, const char *msg)
{
if (cfg.stream_client_source_host && !streq(conndata->stream_host, cfg.stream_source_host) && *errorCount > 0)
{
cs_strncpy(conndata->stream_host, cfg.stream_source_host, sizeof(conndata->stream_host));
cs_log("FALLBACK: stream client %i - try using stream source host from config. host=%s reason=%s", conndata->connid, conndata->stream_host, msg);
(*errorCount)--;
return 1;
}
return 0;
}
static int32_t connect_to_stream(char *http_buf, int32_t http_buf_len, char *stream_path, char *stream_source_host, IN_ADDR_T *in_addr)
{
struct SOCKADDR cservaddr;
struct utsname buffer; uname(&buffer);
int32_t streamfd, status;
if ((streamfd = socket(DEFAULT_AF, SOCK_STREAM, 0)) == -1)
{ return streamfd; }
struct timeval tv;
tv.tv_sec = 2;
tv.tv_usec = 0;
if (setsockopt(streamfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof tv))
{
cs_log("ERROR: setsockopt() failed for SO_RCVTIMEO!");
close(streamfd);
return -1;
}
bzero(&cservaddr, sizeof(cservaddr));
SIN_GET_FAMILY(cservaddr) = DEFAULT_AF;
SIN_GET_PORT(cservaddr) = htons(cfg.stream_source_port);
cs_resolve(stream_source_host, in_addr, NULL, NULL);
SIN_GET_ADDR(cservaddr) = *in_addr;
if ((status = connect(streamfd, (struct sockaddr *)&cservaddr, sizeof(cservaddr))) == -1)
{
cs_log("WARNING: Connect to stream source port %d failed.", cfg.stream_source_port);
close(streamfd);
return status;
}
snprintf(http_buf, http_buf_len,
"GET %s HTTP/1.1\nHost: %s:%u\n"
"User-Agent: Mozilla/5.0 (%s %s %s; rv:133.0) Gecko/20100101 Firefox/133.0\n"
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n"
"Accept-Language: en-US"
"%s%s\n"
"Connection: keep-alive\n\n",
stream_path,
cs_inet_ntoa(*in_addr),
cfg.stream_source_port,
#if defined(__linux__)
"X11;", buffer.sysname, buffer.machine,
#else
"Windows NT 10.0;", "Win64;", "x64",
#endif
(stream_source_auth) ? "\nAuthorization: Basic " : "",
(stream_source_auth) ? stream_source_auth : "");
status = send(streamfd, http_buf, cs_strlen(http_buf), 0);
http_log("HTTP (send) (%i): %s", status, http_buf);
return status == -1 ? status : streamfd;
}
static void stream_client_disconnect(stream_client_conn_data *conndata)
{
int32_t i;
SAFE_MUTEX_LOCK(&fixed_key_srvid_mutex);
stream_cur_srvid[conndata->connid] = NO_SRVID_VALUE;
#if DVBCSA_KEY_ECM
last_srvid[conndata->connid] = NO_SRVID_VALUE;
#endif
SAFE_MUTEX_UNLOCK(&fixed_key_srvid_mutex);
SAFE_MUTEX_LOCK(&stream_server_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
if (gconnfd[i] == conndata->connfd)
{
gconnfd[i] = -1;
gconncount--;
}
}
SAFE_MUTEX_UNLOCK(&stream_server_mutex);
if (conndata->connfd >= 0)
{
shutdown(conndata->connfd, 2);
close(conndata->connfd);
}
cs_log("Stream client %i disconnected. ip=%s port=%d", conndata->connid, cs_inet_ntoa(client_ip[conndata->connid]), client_port[conndata->connid]);
if (streamrelay_client[conndata->connid] && !cfg.stream_reuse_client && !streamrelay_client[conndata->connid]->kill_started)
{
cs_disconnect_client(streamrelay_client[conndata->connid]);
free_client(streamrelay_client[conndata->connid]);
}
NULLFREE(conndata);
}
static void streamrelay_auth_client(struct s_client *cl)
{
int32_t ok = 0;
struct s_auth *account;
for (account = cfg.account; cfg.stream_relay_user && account; account = account->next)
{
if ((ok = streq(cfg.stream_relay_user, account->usr)))
{ break; }
}
cs_auth_client(cl, ok ? account : (struct s_auth *)(-1), "streamrelay");
}
static void create_streamrelay_client(stream_client_conn_data *conndata)
{
int32_t i, exists = 0;
if (cfg.stream_reuse_client)
{
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
if (streamrelay_client[i])
{
if (!streamrelay_client[i]->kill)
{
streamrelay_client[conndata->connid] = streamrelay_client[i];
exists = 1;
break;
}
}
}
}
if (!exists)
{ streamrelay_client[conndata->connid] = create_client(client_ip[conndata->connid]); }
streamrelay_client[conndata->connid]->typ = 'c';
streamrelay_client[conndata->connid]->module_idx = mod_idx;
streamrelay_client[conndata->connid]->thread = pthread_self();
streamrelay_client[conndata->connid]->ip = client_ip[conndata->connid];
streamrelay_client[conndata->connid]->port = client_port[conndata->connid];
#ifdef WEBIF
streamrelay_client[conndata->connid]->wihidden = cfg.stream_hide_client;
#endif
}
static void *stream_client_handler(void *arg)
{
stream_client_conn_data *conndata = (stream_client_conn_data *)arg;
stream_client_data *data = NULL;
char *http_buf = NULL, stream_path[255], stream_path_copy[255];
char *saveptr, *token, http_version[4], http_host[256];
int8_t streamConnectErrorCount = 0, streamDataErrorCount = 0, streamReconnectCount = 0;
int32_t bytesRead = 0, http_status_code = 0;
int32_t i, clientStatus, streamStatus, streamfd, last_streamfd = 0;
uint8_t *stream_buf = NULL;
uint16_t packetCount = 0, packetSize = 0, startOffset = 0;
uint32_t remainingDataPos, remainingDataLength, tmp_pids[4];
uint8_t descrambling = 0;
struct timeb start, end;
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Initial commit – mój build oscama z Advanced fake DCW detection
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const int32_t cur_dvb_buffer_size = DVB_BUFFER_SIZE_CSA;
const int32_t cur_dvb_buffer_wait = DVB_BUFFER_WAIT_CSA;
detector48-64
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Initial commit – mój build oscama z Advanced fake DCW detection
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struct dvbcsa_bs_batch_s *tsbbatch = NULL;
create_streamrelay_client(conndata);
SAFE_SETSPECIFIC(getclient, streamrelay_client[conndata->connid]);
set_thread_name(__func__);
if (!streamrelay_client[conndata->connid]->init_done)
{
streamrelay_auth_client(streamrelay_client[conndata->connid]);
streamrelay_client[conndata->connid]->init_done = 1;
}
cs_log("Stream client %i connected. ip=%s port=%d", conndata->connid, cs_inet_ntoa(client_ip[conndata->connid]), client_port[conndata->connid]);
do
{
if (!cs_malloc(&http_buf, 1024) ||
!cs_malloc(&stream_buf, DVB_BUFFER_SIZE) ||
!cs_malloc(&data, sizeof(stream_client_data)))
{ break; }
clientStatus = recv(conndata->connfd, http_buf, 1024, 0);
http_log("HTTP (recv) (%i): %s", clientStatus, http_buf);
if (clientStatus < 1)
{ break; }
http_buf[1023] = '\0';
if (sscanf(http_buf, "GET %254s HTTP/%3s Host: %255s ", stream_path, http_version, http_host) < 1)
{ break; }
else
{
// use stream_source_host variable from config if host discovery is disabled
if (!cfg.stream_client_source_host)
{ cs_strncpy(conndata->stream_host, cfg.stream_source_host, sizeof(conndata->stream_host)); }
// use host from stream client http request, if 'Host: host:port' header was send
else if ((token = strchr(http_host,':')))
{
size_t len = (size_t)(token - http_host);
if (len >= sizeof(conndata->stream_host))
{ len = sizeof(conndata->stream_host) - 1; }
memcpy(conndata->stream_host, http_host, len);
conndata->stream_host[len] = '\0';
}
// use the IP address of the stream client itself
else
{ cs_strncpy(conndata->stream_host, cs_inet_ntoa(client_ip[conndata->connid]), sizeof(conndata->stream_host)); }
}
cs_strncpy(stream_path_copy, stream_path, sizeof(stream_path));
token = strtok_r(stream_path_copy, ":", &saveptr); // token 0
for (i = 1; token != NULL && i < 7; i++) // tokens 1 to 6
{
token = strtok_r(NULL, ":", &saveptr);
if (token == NULL)
{ break; }
if (i >= 3) // We olny need token 3 (srvid), 4 (tsid), 5 (onid) and 6 (ens)
{
if (sscanf(token, "%x", &tmp_pids[i - 3]) != 1)
{ tmp_pids[i - 3] = 0; }
}
}
data->srvid = tmp_pids[0] & 0xFFFF;
data->tsid = tmp_pids[1] & 0xFFFF;
data->onid = tmp_pids[2] & 0xFFFF;
data->ens = tmp_pids[3];
if (data->srvid == 0) // We didn't get a srvid - Exit
{ break; }
key_data[conndata->connid].key[ODD] = dvbcsa_bs_key_alloc();
key_data[conndata->connid].key[EVEN] = dvbcsa_bs_key_alloc();
if (!cs_malloc(&tsbbatch, (cluster_size + 1) * sizeof(struct dvbcsa_bs_batch_s)))
{ break; }
SAFE_MUTEX_LOCK(&fixed_key_srvid_mutex);
stream_cur_srvid[conndata->connid] = data->srvid;
SAFE_MUTEX_UNLOCK(&fixed_key_srvid_mutex);
cs_log("Stream client %i request. host=%s port=%d path=%s (%s)", conndata->connid, conndata->stream_host, cfg.stream_source_port, stream_path, !cfg.stream_client_source_host ? "config" : strchr(http_host,':') ? "http header" : "client ip");
cs_log_dbg(D_READER, "Stream client %i received srvid: %04X tsid: %04X onid: %04X ens: %08X",
conndata->connid, data->srvid, data->tsid, data->onid, data->ens);
snprintf(http_buf, 1024,
"HTTP/1.0 200 OK\n"
"Connection: Close\n"
"Content-Type: video/mpeg\n"
"Server: stream_enigma2\n\n");
clientStatus = send(conndata->connfd, http_buf, cs_strlen(http_buf), 0);
http_log("HTTP (send) (%i): %s", clientStatus, http_buf);
data->connid = conndata->connid;
data->caid = NO_CAID_VALUE;
data->blocked_caid = NO_CAID_VALUE;
data->have_pat_data = 0;
data->have_pmt_data = 0;
data->have_cat_data = 0;
data->have_ecm_data = 0;
data->have_emm_data = 0;
while (!exit_oscam && clientStatus != -1 && streamConnectErrorCount < 3
&& streamDataErrorCount < 15)
{
streamfd = connect_to_stream(http_buf, 1024, stream_path, conndata->stream_host, &stream_host_ip[conndata->connid]);
if (streamfd == -1)
{
if (switch_stream_source_host(conndata, &streamConnectErrorCount, "no connection")) // fallback
{ continue; }
cs_log("WARNING: stream client %i - cannot connect to stream source host. ip=%s port=%d path=%s", conndata->connid, cs_inet_ntoa(stream_host_ip[conndata->connid]), cfg.stream_source_port, stream_path);
streamConnectErrorCount++;
cs_sleepms(500);
continue;
}
streamStatus = 0;
bytesRead = 0;
while (!exit_oscam && clientStatus != -1 && streamStatus != -1
#if 0
&& streamConnectErrorCount < 3 && streamDataErrorCount < 15)
#else
&& (streamConnectErrorCount < 3 || streamDataErrorCount < 15))
#endif
{
if (!streamrelay_client[conndata->connid] || streamrelay_client[conndata->connid]->kill)
{
clientStatus = -1;
break;
}
cs_ftime(&start);
streamStatus = recv(streamfd, stream_buf + bytesRead, cur_dvb_buffer_size - bytesRead, MSG_WAITALL);
if (streamStatus == 0) // socket closed
{
cs_log_dbg(D_CLIENT, "STATUS: streamStatus=%i, streamfd=%i, last_streamfd=%i, streamConnectErrorCount=%i, streamDataErrorCount=%i, bytesRead=%i",
streamStatus, streamfd, last_streamfd, streamConnectErrorCount, streamDataErrorCount, bytesRead);
if (streamfd == last_streamfd)
{
cs_log("WARNING: stream client %i - stream source closed connection.", conndata->connid);
switch_stream_source_host(conndata, &streamDataErrorCount, "connection closed"); // fallback
}
http_log("HTTP (recv) (%i): %s", streamStatus, (const char*)stream_buf);
streamConnectErrorCount++;
cs_sleepms(100);
break;
}
if (streamStatus < 0) // error
{
http_log("HTTP (recv) (%i): %s", streamStatus, (const char*)stream_buf);
if ((errno == EWOULDBLOCK) | (errno == EAGAIN))
{
if (cfg.stream_relay_reconnect_count > 0)
{
streamReconnectCount++; // 2 sec timeout * cfg.stream_relay_reconnect_count = seconds no data -> close
cs_log("WARNING: stream client %i no data from stream source. Trying to reconnect (%i/%i)", conndata->connid, streamReconnectCount, cfg.stream_relay_reconnect_count);
if (streamReconnectCount >= cfg.stream_relay_reconnect_count)
{
clientStatus = -1;
break;
}
}
else
{
cs_log("WARNING: stream client %i no data from stream source.", conndata->connid);
}
streamDataErrorCount++; // 2 sec timeout * 15 = seconds no data -> close
cs_sleepms(100);
continue;
}
cs_log("WARNING: stream client %i error receiving data from stream source.", conndata->connid);
streamConnectErrorCount++;
cs_sleepms(100);
break;
}
if (streamStatus < cur_dvb_buffer_size - bytesRead) // probably just received header but no stream
{
if (!bytesRead && streamStatus > 13 &&
sscanf((const char*)stream_buf, "HTTP/%3s %d ", http_version , &http_status_code) == 2 &&
http_status_code != 200)
{
if (switch_stream_source_host(conndata, &streamConnectErrorCount, "bad response")) // fallback
{ break; }
http_log("HTTP (recv) (%i): %s", streamStatus, (const char*)stream_buf);
cs_log("ERROR: stream client %i got %d response from stream source!", conndata->connid, http_status_code);
streamConnectErrorCount++;
cs_sleepms(100);
break;
}
else
{
cs_log_dbg(0, "WARNING: stream client %i non-full buffer from stream source.", conndata->connid);
streamDataErrorCount++;
cs_sleepms(100);
}
}
else
{
streamDataErrorCount = 0;
}
streamConnectErrorCount = 0;
bytesRead += streamStatus;
if (bytesRead >= cur_dvb_buffer_wait)
{
startOffset = 0;
// only search if not starting on ts packet or unknown packet size
if (stream_buf[0] != 0x47 || packetSize == 0)
{ SearchTsPackets(stream_buf, bytesRead, &packetSize, &startOffset); }
if (packetSize == 0)
{ bytesRead = 0; }
else
{
packetCount = ((bytesRead - startOffset) / packetSize);
// We have both PAT and PMT data - We can start descrambling
if (data->have_pat_data == 1 && data->have_pmt_data == 1)
{
if (data->caid == NO_CAID_VALUE && cfg.stream_relay_ctab.ctnum > 0)
{
// No allowed CAID found but CAID filter is configured, disconnect client
cs_log("Stream client %i caid %04X not enabled in stream relay config",
conndata->connid, data->blocked_caid);
clientStatus = -1;
break;
}
detector48-64
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if ((cfg.stream_relay_ctab.ctnum == 0 || chk_ctab_ex(data->caid, &cfg.stream_relay_ctab)) && data->caid != 0xA101 && data->caid != NO_CAID_VALUE)
Initial commit – mój build oscama z Advanced fake DCW detection
2026-02-16 09:02:48 +00:00
{
detector48-64
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DescrambleTsPackets(data, stream_buf + startOffset, packetCount * packetSize, packetSize, tsbbatch);
Initial commit – mój build oscama z Advanced fake DCW detection
2026-02-16 09:02:48 +00:00
if (!descrambling)
{
if (cfg.stream_relay_buffer_time)
{ cs_sleepms(cfg.stream_relay_buffer_time); }
descrambling = 1;
}
}
}
else // Search PAT and PMT packets for service information
{
ParseTsPackets(data, stream_buf + startOffset, packetCount * packetSize, packetSize);
}
clientStatus = send(conndata->connfd, stream_buf + startOffset, packetCount * packetSize, 0);
remainingDataPos = startOffset + (packetCount * packetSize);
remainingDataLength = bytesRead - remainingDataPos;
if (remainingDataPos < remainingDataLength)
{ memmove(stream_buf, stream_buf + remainingDataPos, remainingDataLength); }
else
{ memcpy(stream_buf, stream_buf + remainingDataPos, remainingDataLength); }
bytesRead = remainingDataLength;
}
}
cs_ftime(&end);
stream_resptime[conndata->connid] = comp_timeb(&end, &start);
}
last_streamfd = streamfd;
close(streamfd);
}
} while (0);
NULLFREE(http_buf);
NULLFREE(stream_buf);
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Initial commit – mój build oscama z Advanced fake DCW detection
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dvbcsa_bs_key_free(key_data[conndata->connid].key[ODD]);
dvbcsa_bs_key_free(key_data[conndata->connid].key[EVEN]);
key_data[conndata->connid].key[ODD] = NULL;
key_data[conndata->connid].key[EVEN] = NULL;
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Initial commit – mój build oscama z Advanced fake DCW detection
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NULLFREE(tsbbatch);
NULLFREE(data);
stream_client_disconnect(conndata);
return NULL;
}
static void *stream_server(void)
{
#ifdef IPV6SUPPORT
struct sockaddr_in6 servaddr, cliaddr;
#else
struct sockaddr_in servaddr, cliaddr;
#endif
socklen_t clilen;
int32_t connfd, reuse = 1, i;
int8_t connaccepted;
stream_client_conn_data *conndata;
struct s_client *client = first_client;
client->thread = pthread_self();
SAFE_SETSPECIFIC(getclient, client);
set_thread_name(__func__);
cluster_size = dvbcsa_bs_batch_size();
has_dvbcsa_ecm = (DVBCSA_HEADER_ECM);
#if !DVBCSA_KEY_ECM
#pragma message "WARNING: Streamrelay is compiled without dvbcsa ecm headers! ECM processing via Streamrelay will not work!"
#endif
#if !STATIC_LIBDVBCSA
has_dvbcsa_ecm = (dlsym(RTLD_DEFAULT, "dvbcsa_bs_key_set_ecm"));
is_dvbcsa_static = 0;
#if DVBCSA_KEY_ECM
dvbcsa_get_ecm_table_fn = dlsym(RTLD_DEFAULT, "dvbcsa_get_ecm_table");
#endif
#endif
do
{
cs_log("%s: (%s) %s dvbcsa parallel mode = %d (relay buffer time: %d ms)%s%s",
(!DVBCSA_HEADER_ECM || !has_dvbcsa_ecm) ? "WARNING" : "INFO",
(!has_dvbcsa_ecm) ? "wrong" : "ecm",
(!is_dvbcsa_static) ? "dynamic" : "static",
cluster_size,
cfg.stream_relay_buffer_time,
(!DVBCSA_HEADER_ECM || !has_dvbcsa_ecm) ? "! ECM processing via Streamrelay does not work!" : "",
(!DVBCSA_HEADER_ECM) ? " Missing dvbcsa ecm headers during build!" : "");
if (!stream_server_mutex_init)
{
SAFE_MUTEX_INIT(&stream_server_mutex, NULL);
stream_server_mutex_init = 1;
}
SAFE_MUTEX_LOCK(&fixed_key_srvid_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
stream_cur_srvid[i] = NO_SRVID_VALUE;
}
SAFE_MUTEX_UNLOCK(&fixed_key_srvid_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
gconnfd[i] = -1;
}
#ifdef IPV6SUPPORT
if ((glistenfd = socket(AF_INET6, SOCK_STREAM, 0)) == -1)
{
cs_log("ERROR: cannot create stream server socket! (errno=%d %s)", errno, strerror(errno));
break;
}
bzero(&servaddr,sizeof(servaddr));
servaddr.sin6_family = AF_INET6;
servaddr.sin6_addr = in6addr_any;
servaddr.sin6_port = htons(cfg.stream_relay_port);
#else
if ((glistenfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
cs_log("ERROR: cannot create stream server socket! (errno=%d %s)", errno, strerror(errno));
break;
}
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(cfg.stream_relay_port);
#endif
setsockopt(glistenfd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
if (bind(glistenfd,(struct sockaddr *)&servaddr, sizeof(servaddr)) == -1)
{
cs_log("ERROR: cannot bind to stream server socket! (errno=%d %s)", errno, strerror(errno));
break;
}
if (listen(glistenfd, 3) == -1)
{
cs_log("ERROR: cannot listen to stream server socket! (errno=%d %s)", errno, strerror(errno));
break;
}
cs_log("Stream Relay server initialized. ip=%s port=%d", cs_inet_ntoa(SIN_GET_ADDR(servaddr)), ntohs(SIN_GET_PORT(servaddr)));
while (!exit_oscam)
{
clilen = sizeof(cliaddr);
if ((connfd = accept(glistenfd,(struct sockaddr *)&cliaddr, &clilen)) == -1)
{
cs_log("ERROR: Calling accept() failed! (errno=%d %s)", errno, strerror(errno));
break;
}
connaccepted = 0;
if (cs_malloc(&conndata, sizeof(stream_client_conn_data)))
{
SAFE_MUTEX_LOCK(&stream_server_mutex);
if (gconncount < STREAM_SERVER_MAX_CONNECTIONS)
{
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
if (gconnfd[i] == -1)
{
cs_strncpy(ecm_src[i], "dvbapi", sizeof(ecm_src[i]));
gconnfd[i] = connfd;
gconncount++;
connaccepted = 1;
conndata->connfd = connfd;
conndata->connid = i;
client_ip[i] = SIN_GET_ADDR(cliaddr);
client_port[i] = ntohs(SIN_GET_PORT(cliaddr));
break;
}
}
}
SAFE_MUTEX_UNLOCK(&stream_server_mutex);
}
if (connaccepted)
{
int on = 1;
if (setsockopt(connfd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)) < 0)
{ cs_log("ERROR: stream client %i setsockopt() failed for TCP_NODELAY!", conndata->connid); }
start_thread("stream client", stream_client_handler, (void*)conndata, NULL, 1, 0);
}
else
{
shutdown(connfd, 2);
close(connfd);
cs_log("ERROR: stream server client dropped because of too many connections (%i)!", STREAM_SERVER_MAX_CONNECTIONS);
}
cs_sleepms(20);
}
} while (0);
if (glistenfd >= 0)
{ close(glistenfd); }
return NULL;
}
void *streamrelay_handler(struct s_client *UNUSED(cl), uint8_t *UNUSED(mbuf), int32_t module_idx)
{
char authtmp[128];
if (cfg.stream_relay_enabled)
{
if (cfg.stream_source_auth_user && cfg.stream_source_auth_password)
{
snprintf(authtmp, sizeof(authtmp), "%s:%s", cfg.stream_source_auth_user, cfg.stream_source_auth_password);
b64encode(authtmp, cs_strlen(authtmp), &stream_source_auth);
}
mod_idx = module_idx;
start_thread("stream_server", stream_server, NULL, NULL, 1, 1);
}
return NULL;
}
void stop_stream_server(void)
{
int32_t i;
SAFE_MUTEX_LOCK(&stream_server_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
if (gconnfd[i] != -1)
{
shutdown(gconnfd[i], 2);
close(gconnfd[i]);
gconnfd[i] = -1;
}
}
gconncount = 0;
SAFE_MUTEX_UNLOCK(&stream_server_mutex);
#ifdef MODULE_RADEGAST
close_radegast_connection();
#endif
if (glistenfd >= 0)
{
shutdown(glistenfd, 2);
close(glistenfd);
}
NULLFREE(stream_source_auth);
}
/*
* protocol structure
*/
void module_streamrelay(struct s_module *ph)
{
ph->desc = "streamrelay";
ph->type = MOD_CONN_SERIAL;
ph->s_handler = streamrelay_handler;
}
#endif // MODULE_STREAMRELAY
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