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Copy pathmodule-streamrelay.c
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module-streamrelay.c
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#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;
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];
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];
#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;
}
cs_strncpy(ecm_src[cdata->connid], "radegast", sizeof(ecm_src[cdata->connid]));
radegast_client_ecm(cdata);
}
#endif // MODULE_RADEGAST
static void write_cw(ECM_REQUEST *er, int32_t connid)
{
#if DVBCSA_KEY_ECM
const uint8_t ecm = (caid_is_videoguard(er->caid) && (er->ecm[4] != 0 && (er->ecm[2] - er->ecm[4]) == 4)) ? 4 : 0;
#endif
if (memcmp(er->cw, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0)
{
if (has_dvbcsa_ecm)
{
dvbcsa_bs_key_set(er->cw, key_data[connid].key[EVEN]);
}
}
if (memcmp(er->cw + 8, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0)
{
if (has_dvbcsa_ecm)
{
dvbcsa_bs_key_set(er->cw + 8, key_data[connid].key[ODD]);
}
}
}
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;
if (er->rc == E_FOUND)
{
bool cw_written = false;
//SAFE_MUTEX_LOCK(&fixed_key_srvid_mutex);
for (i = 0; i < STREAM_SERVER_MAX_CONNECTIONS; i++)
{
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)
}
}
//SAFE_MUTEX_UNLOCK(&fixed_key_srvid_mutex);
return cw_written;
}
return true;
}
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 (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);
}
}
}
}
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)
{
cs_log_dbg(D_READER, "Stream client %i found audio pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid);
}
else if (type == STREAM_TELETEXT)
{
cs_log_dbg(D_READER, "Stream client %i found teletext pid: 0x%04X (%i)",
cdata->connid, elementary_pid, elementary_pid);
}
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;
}
}
}
static void decrypt(struct dvbcsa_bs_batch_s *tsbbatch, uint16_t fill[2], const uint8_t oddeven, const int32_t connid)
{
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);
}
}
#define decrypt(a) decrypt(tsbbatch, fill, a, data->connid)
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 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 = socket(DEFAULT_AF, SOCK_STREAM, 0), status;
if (streamfd == -1) { return -1; }
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!");
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 (connect(streamfd, (struct sockaddr *)&cservaddr, sizeof(cservaddr)) == -1)
{
cs_log("WARNING: Connect to stream source port %d failed.", cfg.stream_source_port);
return -1;
}
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);
cs_log_dbg(D_CLIENT, "HTTP (send) (%i): %s", status, remove_newline_chars(http_buf));
if ( status == -1) { return -1; }
return 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;
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);
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;
char *http_buf, 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;
uint16_t packetCount = 0, packetSize = 0, startOffset = 0;
uint32_t remainingDataPos, remainingDataLength, tmp_pids[4];
uint8_t descrambling = 0;
struct timeb start, end;
const int32_t cur_dvb_buffer_size = DVB_BUFFER_SIZE_CSA;
const int32_t cur_dvb_buffer_wait = DVB_BUFFER_WAIT_CSA;
struct dvbcsa_bs_batch_s *tsbbatch;
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]);
if (!cs_malloc(&http_buf, 1024))
{
stream_client_disconnect(conndata);
return NULL;
}
if (!cs_malloc(&stream_buf, DVB_BUFFER_SIZE))
{
NULLFREE(http_buf);
stream_client_disconnect(conndata);
return NULL;
}
if (!cs_malloc(&data, sizeof(stream_client_data)))
{
NULLFREE(http_buf);
NULLFREE(stream_buf);
stream_client_disconnect(conndata);
return NULL;
}
clientStatus = recv(conndata->connfd, http_buf, 1024, 0);
cs_log_dbg(D_CLIENT, "HTTP (recv) (%i): %s", clientStatus, remove_newline_chars(http_buf));
if (clientStatus < 1)
{
NULLFREE(http_buf);
NULLFREE(stream_buf);
NULLFREE(data);
stream_client_disconnect(conndata);
return NULL;
}
http_buf[1023] = '\0';
if (sscanf(http_buf, "GET %254s HTTP/%3s Host: %255s ", stream_path, http_version, http_host) < 1)
{
NULLFREE(http_buf);
NULLFREE(stream_buf);
NULLFREE(data);
stream_client_disconnect(conndata);
return NULL;
}
else
{
//use stream_source_host variable from config as stream source host
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 as stream source host, if 'Host: host:port' header was send
else if(strchr(http_host,':'))
{
char *hostline = cs_strdup((const char *)&http_host);
cs_strncpy(conndata->stream_host, strsep(&hostline, ":"), sizeof(conndata->stream_host));
}
//use the IP address of the stream client itself as host for the stream source
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
{
NULLFREE(http_buf);
NULLFREE(stream_buf);
NULLFREE(data);
stream_client_disconnect(conndata);
return NULL;
}
key_data[conndata->connid].key[ODD] = dvbcsa_bs_key_alloc();
key_data[conndata->connid].key[EVEN] = dvbcsa_bs_key_alloc();