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sal_rtsp_process.c
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sal_rtsp_process.c
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#include "libdigest/my_interface.h"
#include "sal_rtp.h"
#include "sal_config.h"
#include "sal_frame_pool.h"
#include "sal_select.h"
#include "sal_debug.h"
#include "sal_malloc.h"
#include "sal_util.h"
#include "sal_av.h"
#include "sal_rtsp_server.h"
#include "sal_rtsp_process.h"
#define GENERAL_RWTIMEOUT (10*1000)
#define RTSP_INTERLEAVED_FRAME_SIZE (4)
#define GOTO(exp, to, fmt...) do\
{\
if (!(exp))\
{\
ERR(fmt);\
goto to;\
}\
}while(0)
typedef enum RTSP_SERVER_STATUS_E
{
RTSP_SERVER_STATUS_RTSP,
RTSP_SERVER_STATUS_RTP,
RTSP_SERVER_STATUS_TEARDOWN,
RTSP_SERVER_STATUS_ERROR,
} RTSP_SERVER_STATUS_E;
typedef enum TRANS_TYPE_E
{
TRANS_TYPE_TCP,
TRANS_TYPE_UDP,
} TRANS_TYPE_E;
typedef struct RTSP_SERVER_S
{
RTSP_SERVER_STATUS_E enStatus;
handle hndSocket;
handle hndReader;
TRANS_TYPE_E enTranType;
//rtsp
char szSession[32];
unsigned int u32SetupCount;
char szUrl[128];
unsigned char au8Sps[64];
unsigned int u32SpsSize;
unsigned char au8Pps[64];
unsigned int u32PpsSize;
unsigned char au8Vps[64];
unsigned int u32VpsSize;
//rtp
unsigned int u32LastAVUniqueIndex;
unsigned long long u64LastVTimeStamp;
unsigned long long u64LastATimeStamp;
unsigned short u16VSeqNum;
unsigned short u16ASeqNum;
unsigned int u32VTimeStamp;
unsigned int u32ATimeStamp;
// audio and video enable switch
int bASupport; //由服务端控制是否支持
int bAEnable; //由客户端控制是否使能
int bVSupport; //由服务端控制是否支持
int bVEnable; //由客户端控制是否使能
//Authenticate
int bAuthEnable;
int enAuthAlgo; //0: Digest 1: Basic
char username[32];
char password[32];
char realm[32];
char nonce[64];
//send over udp
char szClientIP[16];
int client_Vfd[2];
int client_Vport[2]; //send rtp rtcp
int server_Vfd[2];
int server_Vport[2]; //recv rtp rtcp
int client_Afd[2];
int client_Aport[2]; //send rtp rtcp
int server_Afd[2];
int server_Aport[2]; //recv rtp rtcp
//调用select的最后时间，用以控制调用间隔
struct timeval last_rw_tcp;
struct timeval last_rw_udp;
}
RTSP_SERVER_S;
static int _RtspComplete(void* _pData, int _u32DataLen, int* _pu32CompleteLen)
{
//DBG("_u32DataLen=%u\n", _u32DataLen);
*_pu32CompleteLen = 0;
char szLine[4*1024];
int minSize = (sizeof(szLine) > _u32DataLen) ? _u32DataLen : sizeof(szLine);
memcpy(szLine, _pData, minSize);
szLine[sizeof(szLine)-1] = 0;
/*
if (memcmp(_pData, "OPTIONS", strlen("OPTIONS"))
&& memcmp(_pData, "DESCRIBE", strlen("DESCRIBE"))
&& memcmp(_pData, "SETUP", strlen("SETUP"))
&& memcmp(_pData, "PLAY", strlen("PLAY"))
&& memcmp(_pData, "TEARDOWN", strlen("TEARDOWN")))
{
CHECK(0, -1, "Unknown cmd: %s\n", szLine);
}
*/
char* szHeaderReturn = strstr(szLine, "\r\n\r\n");
char* szContentLength;
int s32ContentLength;
if (szHeaderReturn != NULL)
{
szContentLength = strstr(szLine, "Content-Length: ");
if (szContentLength == NULL)
{
*_pu32CompleteLen = szHeaderReturn - szLine + 4;
}
if (szContentLength != NULL)
{
s32ContentLength = atoi(szContentLength + strlen("Content-Length: "));
if (szHeaderReturn - szLine + 4 + s32ContentLength <= _u32DataLen)
{
*_pu32CompleteLen = szHeaderReturn - szLine + 4 + s32ContentLength;
}
}
}
return 0;
}
static int _RtspOrRtcpComplete(void* _pData, int _u32DataLen, int* _pu32CompleteLen, void* cb_param)
{
//RTSP_SERVER_S* pstRtspServer = (RTSP_SERVER_S*)cb_param;
//DBG("_u32DataLen=%u\n", _u32DataLen);
*_pu32CompleteLen = 0;
unsigned char u8Start;
unsigned short u16Size;
memcpy(&u8Start, _pData, sizeof(unsigned char));
if (u8Start == 0x24) // $
{
if (_u32DataLen >= RTSP_INTERLEAVED_FRAME_SIZE)
{
memcpy(&u16Size, _pData + 2, sizeof(unsigned short));
u16Size = ntohs(u16Size);
if (_u32DataLen >= RTSP_INTERLEAVED_FRAME_SIZE + u16Size)
{
*_pu32CompleteLen = RTSP_INTERLEAVED_FRAME_SIZE + u16Size;
}
}
}
else
{
_RtspComplete(_pData, _u32DataLen, _pu32CompleteLen);
}
//DBG("_pu32CompleteLen=%u\n", *_pu32CompleteLen);
return 0;
}
static int _CheckBuf(char* _szFormat, ...)
{
va_list pArgs;
va_start(pArgs, _szFormat);
int s32Ret = vsnprintf(NULL, 0, _szFormat, pArgs);
va_end(pArgs);
return s32Ret;
}
static char* _SafeFind(char* _pBegin, char* _pEnd, char* _szKey)
{
int i = 0, j = 0, k = 0;
int s32CmpLen = strlen(_szKey);
int Len = _pEnd - _pBegin;
CHECK(Len > 0, NULL, "size is invalid[%d]\n", Len);
for (i = 0; i < Len; i++)
{
if (_pBegin[i] == _szKey[j])
{
for (j = 0, k = i; j < s32CmpLen; j++, k++)
{
if (_pBegin[k] != _szKey[j])
{
j = 0;
break;
}
if (j == s32CmpLen - 1)
{
return _pBegin + i;
}
}
}
}
return NULL;
}
static int _GetKeyValue(char* _szBegin, char* _szEnd, char* _szStartKey,
char* _szEndKey, char* _szValue, int _len)
{
int ret = -1;
char* szValue;
char* szReturn;
memset(_szValue, 0, _len);
//szValue = strstr(_szBegin, _szStartKey);
szValue = _SafeFind(_szBegin, _szEnd, _szStartKey);
if (szValue != NULL)
{
szValue += strlen(_szStartKey);
//szReturn = strstr(szValue, _szEndKey);
szReturn = _SafeFind(szValue, _szEnd, _szEndKey);
if (szReturn != NULL)
{
CHECK(_len > szReturn - szValue, -1, "buffer is too small[%d bytes]\n", _len);
memcpy(_szValue, szValue, szReturn - szValue);
_szValue[szReturn - szValue] = 0;
ret = 0;
}
}
return ret;
}
static int _GetRtspValue(char* _szRtsp, char* _szKey, char* _szValue)
{
int ret = -1;
char* szValue;
char* szReturn;
szValue = strstr(_szRtsp, _szKey);
if (szValue != NULL)
{
szValue += strlen(_szKey);
szReturn = strstr(szValue, "\r\n");
if (szReturn != NULL)
{
memcpy(_szValue, szValue, szReturn - szValue);
_szValue[szReturn - szValue] = 0;
ret = 0;
}
}
return ret;
}
static int _GetStreamId(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szStreamId[12];
int s32Id = -1;
ret = _GetRtspValue(_szRtspReq, "streamid=", szStreamId);
if (ret == 0)
{
if (!strncmp(szStreamId, "0", 1))
{
s32Id = 0;
}
else if (!strncmp(szStreamId, "1", 1))
{
s32Id = 1;
}
}
else
{
WRN("not found streamid\n");
}
return s32Id;
}
static int __SessionIsValid(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szSession[32];
ret = _GetRtspValue(_szRtspReq, "Session: ", szSession);
if (ret == 0)
{
if (!strcmp(_pstRtspServer->szSession, szSession))
{
return 0;
}
else
{
WRN("Not my session[%s]: %s\n", _pstRtspServer->szSession, szSession);
}
}
else
{
WRN("not found session\n");
}
return -1;
}
static char* __MakeSPS(unsigned char* buffer, unsigned int size)
{
int s32Ret;
char* szRet;
char* szFormat = "%s";
char* szBase64 = MY_Base64Encode(buffer, size);
s32Ret = _CheckBuf(szFormat, szBase64);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat, szBase64);
free(szBase64);
return szRet;
}
static char* __MakePPS(unsigned char* buffer, unsigned int size)
{
int s32Ret;
char* szRet;
char* szFormat = "%s";
char* szBase64 = MY_Base64Encode(buffer, size);
s32Ret = _CheckBuf(szFormat, szBase64);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat, szBase64);
free(szBase64);
return szRet;
}
static char* __MakeVPS(unsigned char* buffer, unsigned int size)
{
int s32Ret;
char* szRet;
char* szFormat = "%s";
char* szBase64 = MY_Base64Encode(buffer, size);
s32Ret = _CheckBuf(szFormat, szBase64);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat, szBase64);
free(szBase64);
return szRet;
}
static char* __MakePLI(unsigned char* _pu8Sps)
{
int s32Ret;
char* szRet;
unsigned int u32Tmp1 = _pu8Sps[1];
unsigned int u32Tmp2 = _pu8Sps[2];
unsigned int u32Tmp3 = _pu8Sps[3];
char* szFormat = "%02x%02x%02x";
s32Ret = _CheckBuf(szFormat, u32Tmp1, u32Tmp2, u32Tmp3);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat, u32Tmp1, u32Tmp2, u32Tmp3);
return szRet;
}
static char* __MakeSdpH264(RTSP_SERVER_S* _pstRtspServer, char* _szIp, unsigned char* _pu8Sps, unsigned int _u32SpsSize
, unsigned char* _pu8Pps, unsigned int _u32PpsSize)
{
char* szRet = NULL;
int s32Ret = -1;
char szFormat[1024];
memset(szFormat, 0, sizeof(szFormat));
if (_pstRtspServer->bVSupport)
{
char* szVFormat =
"v=0\r\n"
"o=- 0 0 IN IP4 127.0.0.1\r\n"
"s=No Name\r\n"
"c=In IP4 %s\r\n"
"t=0 0\r\n"
"a=tool:libavformat 56.15.102\r\n"
"m=video 0 RTP/AVP 96\r\n"
"a=rtpmap:96 H264/90000\r\n"
"a=fmtp:96 packetization-mode=1; sprop-parameter-sets=%s,%s; profile-level-id=%s\r\n"
"a=control:streamid=0\r\n"
;
strcat(szFormat, szVFormat);
}
if (_pstRtspServer->bASupport)
{
char* szAFormat =
"a=rtpmap:8 pcma/8000/1\r\n" //8: g711a rtppayloadtype.pcma: g711a. 8000: 采样率. 1: 单声道
"a=fmtp:8 octet-align=1\r\n"
"a=framerate:25\r\n"
/*
"m=audio 0 RTP/AVP 97\r\n"
"b=AS:12\r\n"
"a=rtpmap:97 AMR/8000/1\r\n"
"a=fmtp:97 octet-align=1\r\n"
*/
"a=control:streamid=1\r\n"
;
strcat(szFormat, szAFormat);
}
char* szSPS = __MakeSPS(_pu8Sps, _u32SpsSize);
char* szPPS = __MakePPS(_pu8Pps, _u32PpsSize);
char* szPLI = __MakePLI(_pu8Sps);
s32Ret = _CheckBuf(szFormat, _szIp, szSPS, szPPS, szPLI);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat, _szIp, szSPS, szPPS, szPLI);
mem_free(szPLI);
mem_free(szPPS);
mem_free(szSPS);
return szRet;
}
static unsigned int __RemoveH264or5EmulationBytes(unsigned char* to, unsigned int toMaxSize,unsigned char const* from, unsigned int fromSize)
{
unsigned toSize = 0;
unsigned i = 0;
while (i < fromSize && toSize+1 < toMaxSize)
{
if (i+2 < fromSize && from[i] == 0 && from[i+1] == 0 && from[i+2] == 3)
{
to[toSize] = to[toSize+1] = 0;
toSize += 2;
i += 3;
}
else
{
to[toSize] = from[i];
toSize += 1;
i += 1;
}
}
return toSize;
}
static char* __MakeSdpH265(RTSP_SERVER_S* _pstRtspServer, char* _szIp, unsigned char* _pu8Sps, unsigned int _u32SpsSize
, unsigned char* _pu8Pps, unsigned int _u32PpsSize
, unsigned char* _pu8Vps, unsigned int _u32VpsSize)
{
char* szRet = NULL;
int s32Ret = -1;
char szFormat[1024];
memset(szFormat, 0, sizeof(szFormat));
if (_pstRtspServer->bVSupport)
{
char* szVFormat =
"v=0\r\n"
"o=- 0 0 IN IP4 127.0.0.1\r\n"
"s=No Name\r\n"
"c=In IP4 %s\r\n"
"t=0 0\r\n"
"a=range:npt=0-\r\n"
"a=tool:libavformat 56.15.102\r\n"
"m=video 0 RTP/AVP 96\r\n"
"c=IN IP4 0.0.0.0\r\n"
"b=AS:500\r\n"
"a=rtpmap:96 H265/90000\r\n"
"a=fmtp:96 profile-space=%u"
";profile-id=%u"
";tier-flag=%u"
";level-id=%u"
";interop-constraints=%s"
";sprop-vps=%s"
";sprop-sps=%s"
";sprop-pps=%s\r\n"
"a=control:streamid=0\r\n"
;
strcat(szFormat, szVFormat);
}
if (_pstRtspServer->bASupport)
{
char* szAFormat =
"m=audio 0 RTP/AVP 8\r\n"
"a=rtpmap:8 pcma/8000/1\r\n"
"a=fmtp:8 octet-align=1\r\n"
"a=framerate:25\r\n"
/*
"m=audio 0 RTP/AVP 97\r\n"
"b=AS:12\r\n"
"a=rtpmap:97 AMR/8000/1\r\n"
"a=fmtp:97 octet-align=1\r\n"
*/
"a=control:streamid=1\r\n"
;
strcat(szFormat, szAFormat);
}
// Set up the "a=fmtp:" SDP line for this stream.
unsigned char* vpsWEB = (unsigned char*)mem_malloc(_u32VpsSize); // "WEB" means "Without Emulation Bytes"
unsigned int vpsWEBSize = __RemoveH264or5EmulationBytes(vpsWEB, _u32VpsSize, _pu8Vps, _u32VpsSize);
if (vpsWEBSize < 6/*'profile_tier_level' offset*/ + 12/*num 'profile_tier_level' bytes*/)
{
// Bad VPS size => assume our source isn't ready
mem_free(vpsWEB);
return NULL;
}
unsigned char const* profileTierLevelHeaderBytes = &vpsWEB[6];
unsigned int profileSpace = profileTierLevelHeaderBytes[0]>>6; // general_profile_space
unsigned int profileId = profileTierLevelHeaderBytes[0]&0x1F; // general_profile_idc
unsigned int tierFlag = (profileTierLevelHeaderBytes[0]>>5)&0x1; // general_tier_flag
unsigned int levelId = profileTierLevelHeaderBytes[11]; // general_level_idc
unsigned char const* interop_constraints = &profileTierLevelHeaderBytes[5];
char interopConstraintsStr[32];
memset(interopConstraintsStr, 0, sizeof(interopConstraintsStr));
sprintf(interopConstraintsStr, "%02X%02X%02X%02X%02X%02X",
interop_constraints[0], interop_constraints[1], interop_constraints[2],
interop_constraints[3], interop_constraints[4], interop_constraints[5]);
char* szVPS = __MakeVPS(_pu8Vps, _u32VpsSize);
char* szSPS = __MakeSPS(_pu8Sps, _u32SpsSize);
char* szPPS = __MakePPS(_pu8Pps, _u32PpsSize);
s32Ret = _CheckBuf(szFormat, _szIp,
profileSpace,
profileId,
tierFlag,
levelId,
interopConstraintsStr,
szVPS,
szSPS,
szPPS);
szRet = (char*)mem_malloc(s32Ret + 1);
sprintf(szRet, szFormat,
_szIp,
profileSpace,
profileId,
tierFlag,
levelId,
interopConstraintsStr,
szVPS,
szSPS,
szPPS);
mem_free(szPPS);
mem_free(szSPS);
mem_free(szVPS);
mem_free(vpsWEB);
return szRet;
}
static int _InitResource(RTSP_SERVER_S* _pstRtspServer, int _bIsMainStream)
{
int ret = -1;
struct timeval pre_time = {0, 0};
util_time_abs(&pre_time);
int timeout = 4000;
if (NULL == _pstRtspServer->hndReader)
{
ret = sal_video_force_idr(0);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
if (_bIsMainStream)
{
do
{
int pass_time = util_time_pass(&pre_time);
CHECK(pass_time < timeout, -1, "frame_pool_register time out with: %d\n", pass_time);
_pstRtspServer->hndReader = frame_pool_register(gHndMainFramePool, 0);
usleep(20*1000);
}
while (_pstRtspServer->hndReader == NULL);
//CHECK(_pstRtspServer->hndReader, -1, "Error with: %#x\n", _pstRtspServer->hndReader);
}
else
{
ret = sal_video_force_idr(1);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
do
{
int pass_time = util_time_pass(&pre_time);
CHECK(pass_time < timeout, -1, "frame_pool_register time out with: %d\n", pass_time);
_pstRtspServer->hndReader = frame_pool_register(gHndSubFramePool, 0);
usleep(20*1000);
}
while (_pstRtspServer->hndReader == NULL);
//CHECK(_pstRtspServer->hndReader, -1, "Error with: %#x\n", _pstRtspServer->hndReader);
}
unsigned char* data = NULL;
int len = 0;
ret = frame_pool_sps_get(_pstRtspServer->hndReader, &data, &len);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
CHECK(len < sizeof(_pstRtspServer->au8Sps), -1, "Error with: %#x\n", -1);
memcpy(_pstRtspServer->au8Sps, data, len);
_pstRtspServer->u32SpsSize = len;
ret = frame_pool_pps_get(_pstRtspServer->hndReader, &data, &len);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
CHECK(len < sizeof(_pstRtspServer->au8Pps), -1, "Error with: %#x\n", -1);
memcpy(_pstRtspServer->au8Pps, data, len);
_pstRtspServer->u32PpsSize = len;
FRAME_TYPE_E type = FRAME_TYPE_INVALID;
ret = frame_pool_vframe_type_get(_pstRtspServer->hndReader, &type);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
if (type == FRAME_TYPE_H265)
{
ret = frame_pool_vps_get(_pstRtspServer->hndReader, &data, &len);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
CHECK(len < sizeof(_pstRtspServer->au8Vps), -1, "Error with: %#x\n", -1);
memcpy(_pstRtspServer->au8Vps, data, len);
_pstRtspServer->u32VpsSize = len;
}
}
return 0;
}
static int _SplitName(char* _szRtspUrl, char* _szRet, int _Len)
{
int ret = -1;
memset(_szRet, 0, _Len);
char* Found = rindex(_szRtspUrl, '/');
if (NULL != Found)
{
int NeedLen = _szRtspUrl + strlen(_szRtspUrl) - Found - strlen("/");
CHECK(_Len > NeedLen, -1, "buffer is too small\n");
strncpy(_szRet, Found + strlen("/"), NeedLen);
ret = 0;
}
return ret;
}
static int _CheckUrl(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer, char* _szKey)
{
int ret = -1;
char szName[64];
memset(szName, 0, sizeof(szName));
ret = _GetKeyValue(_szRtspReq, _szRtspReq + strlen(_szRtspReq), _szKey, " RTSP/", _pstRtspServer->szUrl, sizeof(_pstRtspServer->szUrl));
CHECK(ret == 0, -1, "url is invalid[%s]\n", _pstRtspServer->szUrl);
DBG("url: %s\n", _pstRtspServer->szUrl);
ret = _SplitName(_pstRtspServer->szUrl, szName, sizeof(szName));
CHECK(ret == 0, -1, "url is invalid[%s]\n", _pstRtspServer->szUrl);
if (!strcmp(szName, "MainStream"))
{
ret = _InitResource(_pstRtspServer, 1);
CHECK(ret == 0, -1, "_InitResource failed.\n");
}
else if (!strcmp(szName, "SubStream"))
{
ret = _InitResource(_pstRtspServer, 0);
CHECK(ret == 0, -1, "_InitResource failed.\n");
}
else
{
CHECK(0, -1, "url is invalid[%s]\n", _pstRtspServer->szUrl);
}
return 0;
}
static int __RecvOptions(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szCseq[16];
ret = _CheckUrl(_szRtspReq, _pstRtspServer, "OPTIONS ");
CHECK(ret == 0, -1, "_CheckUrl failed.\n");
ret = _GetRtspValue(_szRtspReq, "CSeq: ", szCseq);
if (ret != 0)
{
ret = _GetRtspValue(_szRtspReq, "Cseq: ", szCseq);
}
CHECK(ret == 0, -1, "ret %d, _szRtspReq %s\n", ret, _szRtspReq);
char* szTemplate =
"RTSP/1.0 200 OK\r\n"
"Server: myServer\r\n"
"CSeq: %s\r\n"
/*"Public: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, OPTIONS, ANNOUNCE, RECORD\r\n"*/
"Public: DESCRIBE, SETUP, PLAY, OPTIONS, TEARDOWN\r\n"
"\r\n";
void* pData;
unsigned int u32DataLen;
u32DataLen = _CheckBuf(szTemplate, szCseq);
pData = mem_malloc(u32DataLen + 1);
sprintf(pData, szTemplate, szCseq);
DBG("send: \n%s\n", (char*)pData);
ret = select_send(_pstRtspServer->hndSocket, pData, u32DataLen);
CHECK(ret == 0, -1, "Error with %#x\n", ret);
mem_free(pData);
return 0;
}
static int __SendUnauthorized(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szCseq[16] = {0};
ret = _CheckUrl(_szRtspReq, _pstRtspServer, "DESCRIBE ");
CHECK(ret == 0, -1, "_CheckUrl failed.\n");
ret = _GetRtspValue(_szRtspReq, "CSeq: ", szCseq);
if (ret != 0)
{
ret = _GetRtspValue(_szRtspReq, "Cseq: ", szCseq);
}
CHECK(ret == 0, -1, "ret %d, _szRtspReq %s\n", ret, _szRtspReq);
char* szTemplate = NULL;
void* pData = NULL;
unsigned int u32DataLen = 0;
if (_pstRtspServer->enAuthAlgo == 0) //Digest
{
szTemplate =
"RTSP/1.0 401 Unauthorized\r\n"
"Server: myServer\r\n"
"Cseq: %s\r\n"
"WWW-Authenticate: Digest realm=\"%s\", nonce=\"%s\"\r\n"
"\r\n";
u32DataLen = _CheckBuf(szTemplate, szCseq, _pstRtspServer->realm, _pstRtspServer->nonce);
pData = mem_malloc(u32DataLen + 1);
sprintf(pData, szTemplate, szCseq, _pstRtspServer->realm, _pstRtspServer->nonce);
}
else if (_pstRtspServer->enAuthAlgo == 1) //Basic
{
szTemplate =
"RTSP/1.0 401 Unauthorized\r\n"
"Server: myServer\r\n"
"Cseq: %s\r\n"
"WWW-Authenticate: Basic realm=\"/\"\r\n"
"\r\n";
u32DataLen = _CheckBuf(szTemplate, szCseq, _pstRtspServer->realm, _pstRtspServer->nonce);
pData = mem_malloc(u32DataLen + 1);
sprintf(pData, szTemplate, szCseq, _pstRtspServer->realm, _pstRtspServer->nonce);
}
else
{
ASSERT(0, "\n");
}
DBG("send: \n%s\n", (char*)pData);
ret = select_send(_pstRtspServer->hndSocket, pData, u32DataLen);
CHECK(ret == 0, -1, "Error with %#x\n", ret);
mem_free(pData);
return 0;
}
static int __Authorize(char* _szRecvResponse, char* _szCmd, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
if (strstr(_szRecvResponse, "Basic"))
{
char szBasic[128];
memset(szBasic, 0, sizeof(szBasic));
sprintf(szBasic, "%s:%s", _pstRtspServer->username, _pstRtspServer->password);
char* szBasicBase64 = MY_Base64Encode((unsigned char*)szBasic, strlen(szBasic));
memset(szBasic, 0, sizeof(szBasic));
sprintf(szBasic, "Basic %s", szBasicBase64);
if (!strncmp(_szRecvResponse, szBasic, strlen(szBasic)))
{
DBG("Authorization success\n");
ret = 0;
}
else
{
WRN("failed to Authorization.\n_szRecvResponse: %s\n_szCalcResponse: %s\n", _szRecvResponse, szBasic);
ret = -1;
}
free(szBasicBase64);
}
else if (strstr(_szRecvResponse, "Digest"))
{
char* szDigest = MY_Authrization(_szCmd, _pstRtspServer->szUrl
, _pstRtspServer->username, _pstRtspServer->password
, _pstRtspServer->realm, _pstRtspServer->nonce);
const char* szTmp = "Authorization: ";//剔除前面"Authorization: "
memmove(szDigest, szDigest + strlen(szTmp), strlen(szDigest)-strlen(szTmp)+1);
if (!strncmp(_szRecvResponse, szDigest, strlen(_szRecvResponse)))
{
DBG("Authorization success\n");
ret = 0;
}
else
{
WRN("failed to Authorization.\n_szRecvResponse: %s\n_szCalcResponse: %s\n", _szRecvResponse, szDigest);
ret = -1;
}
free(szDigest);
}
else
{
ASSERT(0, "\n");
}
return ret;
}
static int __RecvDescribe(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szCseq[16];
memset(szCseq, 0, sizeof(szCseq));
char Authorization[1024];
memset(Authorization, 0, sizeof(Authorization));
ret = _CheckUrl(_szRtspReq, _pstRtspServer, "DESCRIBE ");
CHECK(ret == 0, -1, "_CheckUrl failed.\n");
ret = _GetRtspValue(_szRtspReq, "CSeq: ", szCseq);
if (ret != 0)
{
ret = _GetRtspValue(_szRtspReq, "Cseq: ", szCseq);
}
CHECK(ret == 0, -1, "ret %d, _szRtspReq %s\n", ret, _szRtspReq);
if (_pstRtspServer->bAuthEnable)
{
ret = _GetRtspValue(_szRtspReq, "Authorization: ", Authorization);
if (ret != 0)
{
ret = __SendUnauthorized(_szRtspReq, _pstRtspServer);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
return 0;
}
else
{
ret = __Authorize(Authorization, "DESCRIBE", _pstRtspServer);
if (ret == -1)
{
ret = __SendUnauthorized(_szRtspReq, _pstRtspServer);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
return 0;
}
}
}
FRAME_TYPE_E type = FRAME_TYPE_INVALID;
ret = frame_pool_vframe_type_get(_pstRtspServer->hndReader, &type);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
char* szSdpContent = NULL;
if (type == FRAME_TYPE_H264)
{
szSdpContent = __MakeSdpH264(_pstRtspServer, "0.0.0.0", _pstRtspServer->au8Sps, _pstRtspServer->u32SpsSize,
_pstRtspServer->au8Pps, _pstRtspServer->u32PpsSize);
}
else if (type == FRAME_TYPE_H265)
{
szSdpContent = __MakeSdpH265(_pstRtspServer, "0.0.0.0", _pstRtspServer->au8Sps, _pstRtspServer->u32SpsSize,
_pstRtspServer->au8Pps, _pstRtspServer->u32PpsSize,
_pstRtspServer->au8Vps, _pstRtspServer->u32VpsSize);
}
unsigned int u32ContentLength = strlen(szSdpContent);
char* szTemplate =
"RTSP/1.0 200 OK\r\n"
"Server: myServer\r\n"
"Cseq: %s\r\n"
"Content-length: %u\r\n"
"Content-Type: application/sdp\r\n"
"\r\n"
"%s";
void* pData;
unsigned int u32DataLen;
u32DataLen = _CheckBuf(szTemplate, szCseq, u32ContentLength, szSdpContent);
pData = mem_malloc(u32DataLen + 1);
sprintf(pData, szTemplate, szCseq, u32ContentLength, szSdpContent);
DBG("send: \n%s\n", (char*)pData);
ret = select_send(_pstRtspServer->hndSocket, pData, u32DataLen);
CHECK(ret == 0, -1, "Error with %#x\n", ret);
mem_free(szSdpContent);
mem_free(pData);
return 0;
}
static int __Setup_udp(int port)
{
int ret = -1;
int Fd = socket(AF_INET, SOCK_DGRAM, 0);
CHECK(Fd > 0, -1, "error with %#x: %s\n", Fd, strerror(errno));
int Open = 1;
ret = setsockopt(Fd, SOL_SOCKET, SO_REUSEADDR, &Open, sizeof(int));
CHECK(ret == 0, -1, "error with %#x: %s\n", ret, strerror(errno));
struct sockaddr_in Addr;
memset((char *)&Addr, 0, sizeof(struct sockaddr_in));
Addr.sin_family = AF_INET;
Addr.sin_port = htons(port);
Addr.sin_addr.s_addr = htonl(INADDR_ANY);//允许连接到所有本地地址上
ret = bind(Fd, (struct sockaddr *)&Addr, sizeof(struct sockaddr));
CHECK(ret == 0, -1, "error with %#x: %s\n", ret, strerror(errno));
int flag = fcntl(Fd, F_GETFL);
CHECK(flag != -1, -1, "failed to get fcntl flag: %s\n", strerror(errno));
CHECK(fcntl(Fd, F_SETFL, flag | O_NONBLOCK) != -1, -1, "failed to set nonblock: %s\n", strerror(errno));
DBG("setnoblock success.fd: %d\n", Fd);
return Fd;
}
static int __RecvSetup(char* _szRtspReq, RTSP_SERVER_S* _pstRtspServer)
{
int ret = -1;
char szCseq[16];
memset(szCseq, 0, sizeof(szCseq));
char Authorization[1024];
memset(Authorization, 0, sizeof(Authorization));
char szTransport[128];
memset(szTransport, 0, sizeof(szTransport));
char szRespStatus[32];
memset(szRespStatus, 0, sizeof(szRespStatus));
ret = _GetRtspValue(_szRtspReq, "CSeq: ", szCseq);
if (ret != 0)
{
ret = _GetRtspValue(_szRtspReq, "Cseq: ", szCseq);
}
CHECK(ret == 0, -1, "ret Cseq %d, _szRtspReq %s\n", ret, _szRtspReq);
if (_pstRtspServer->bAuthEnable)
{
ret = _GetRtspValue(_szRtspReq, "Authorization: ", Authorization);
if (ret != 0)
{
ret = __SendUnauthorized(_szRtspReq, _pstRtspServer);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
return 0;
}
else
{
ret = __Authorize(Authorization, "SETUP", _pstRtspServer);
if (ret == -1)
{
ret = __SendUnauthorized(_szRtspReq, _pstRtspServer);
CHECK(ret == 0, -1, "Error with: %#x\n", ret);
return 0;
}
}
}
int s32StreamId = _GetStreamId(_szRtspReq, _pstRtspServer);
if (0 == s32StreamId)
{
_pstRtspServer->bVEnable = 1;
}