For #1109, Support without ssl for HLS key.

circle.yml

@@ -17,6 +17,6 @@ dependencies:
 
 test:
     override:
-        - (cd trunk && ./configure --with-ssl=openssl --without-valgrind && make)
+        - (cd trunk && ./configure --without-ssl --without-valgrind && make)
         - (cd trunk && ./objs/srs_utest)
 

trunk/configure

@@ -154,7 +154,7 @@ CORE_OBJS="${MODULE_OBJS[@]}"
 #Kernel, depends on core, provides error/log/config, nothing about stream information.
 MODULE_ID="KERNEL" 
 MODULE_DEPENDS=("CORE") 
-ModuleLibIncs=(${SRS_OBJS_DIR})
+ModuleLibIncs=(${SRS_OBJS_DIR} ${LibSSLRoot})
 MODULE_FILES=("srs_kernel_error" "srs_kernel_log" "srs_kernel_buffer"
         "srs_kernel_utility" "srs_kernel_flv" "srs_kernel_codec" "srs_kernel_io"
         "srs_kernel_consts" "srs_kernel_aac" "srs_kernel_mp3" "srs_kernel_ts"
@@ -177,7 +177,7 @@ PROTOCOL_OBJS="${MODULE_OBJS[@]}"
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="SERVICE"
     MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL")
-    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR})
+    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibSSLRoot})
     MODULE_FILES=("srs_service_log" "srs_service_st" "srs_service_http_client"
         "srs_service_http_conn" "srs_service_rtmp_conn" "srs_service_utility"
         "srs_service_conn")
@@ -190,7 +190,7 @@ fi
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="APP" 
     MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE")
-    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR})
+    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibSSLRoot})
     MODULE_FILES=("srs_app_server" "srs_app_conn" "srs_app_rtmp_conn" "srs_app_source" 
             "srs_app_refer" "srs_app_hls" "srs_app_forward" "srs_app_encoder" "srs_app_http_stream"
             "srs_app_thread" "srs_app_bandwidth" "srs_app_st" "srs_app_log" "srs_app_config" 
@@ -225,7 +225,7 @@ LIBS_OBJS="${MODULE_OBJS[@]}"
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="SERVER"
     MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP")
-    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot})
+    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot} ${LibSSLRoot})
     MODULE_FILES=("srs_main_server")
     SERVER_INCS="src/main"; MODULE_DIR=${SERVER_INCS} . auto/modules.sh
     SERVER_OBJS="${MODULE_OBJS[@]}"
@@ -235,7 +235,7 @@ fi
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="MAIN"
     MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE")
-    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot})
+    ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot} ${LibSSLRoot})
     MODULE_FILES=()
     DEFINES=""
     # add each modules for main

trunk/src/app/srs_app_hls.cpp

@@ -52,7 +52,9 @@ using namespace std;
 #include <srs_app_http_hooks.hpp>
 #include <srs_protocol_format.hpp>
 
+#ifdef SRS_AUTO_SSL
 #include <openssl/rand.h>
+#endif
 
 // drop the segment when duration of ts too small.
 #define SRS_AUTO_HLS_SEGMENT_MIN_DURATION_MS 100
@@ -62,25 +64,26 @@ using namespace std;
 // reset the piece id when deviation overflow this.
 #define SRS_JUMP_WHEN_PIECE_DEVIATION 20
 
-SrsHlsSegment::SrsHlsSegment(SrsTsContext* c, SrsAudioCodecId ac, SrsVideoCodecId vc, SrsFileWriter *srswriter)
+SrsHlsSegment::SrsHlsSegment(SrsTsContext* c, SrsAudioCodecId ac, SrsVideoCodecId vc, SrsFileWriter* w)
 {
     sequence_no = 0;
- 
+    writer = w;
-    writer = srswriter;
-    
     tscw = new SrsTsContextWriter(writer, c, ac, vc);
 }
 
-void SrsHlsSegment::SrsSetEncCfg(unsigned char* keyval,unsigned char *ivval)
-{
-    memcpy(iv,ivval,16);
-    dynamic_cast<SrsEncFileWriter*>(writer)->SetEncCfg(keyval,ivval);
-}
-
 SrsHlsSegment::~SrsHlsSegment()
 {
     srs_freep(tscw);
-    //srs_freep(writer);
+}
+
+void SrsHlsSegment::config_cipher(unsigned char* key,unsigned char* iv)
+{
+    memcpy(this->iv, iv,16);
+    
+#ifdef SRS_AUTO_SSL
+    SrsEncFileWriter* fw = (SrsEncFileWriter*)writer;
+    fw->config_cipher(key, iv);
+#endif
 }
 
 SrsDvrAsyncCallOnHls::SrsDvrAsyncCallOnHls(int c, SrsRequest* r, string p, string t, string m, string mu, int s, double d)
@@ -208,6 +211,9 @@ SrsHlsMuxer::SrsHlsMuxer()
     async = new SrsAsyncCallWorker();
     context = new SrsTsContext();
     segments = new SrsFragmentWindow();
+    
+    memset(key, 0, 16);
+    memset(iv, 0, 16);
 }
 
 SrsHlsMuxer::~SrsHlsMuxer()
@@ -280,7 +286,7 @@ srs_error_t SrsHlsMuxer::update_config(SrsRequest* r, string entry_prefix,
     string path, string m3u8_file, string ts_file, double fragment, double window,
     bool ts_floor, double aof_ratio, bool cleanup, bool wait_keyframe, bool keys,
     int fragments_per_key, string key_file ,string key_file_path, string key_url)
- {
+{
     srs_error_t err = srs_success;
     
     srs_freep(req);
@@ -318,8 +324,7 @@ srs_error_t SrsHlsMuxer::update_config(SrsRequest* r, string entry_prefix,
         return srs_error_wrap(err, "create dir");
     }
 
-    if(hls_keys && (hls_path != hls_key_file_path) )
+    if (hls_keys && (hls_path != hls_key_file_path)) {
-    {
         string key_file = hls_key_file;
         key_file = srs_path_build_stream(key_file, req->vhost, req->app, req->stream);
 
@@ -329,12 +334,13 @@ srs_error_t SrsHlsMuxer::update_config(SrsRequest* r, string entry_prefix,
         }
     }
 
-    if(hls_keys)
+    if(hls_keys) {
-    {
+#ifdef SRS_AUTO_SSL
         writer = new SrsEncFileWriter();
-    }
+#else
-    else
+        writer = new SrsFileWriter();
-    {
+#endif
+    } else {
         writer = new SrsFileWriter();
     }
 
@@ -382,54 +388,13 @@ srs_error_t SrsHlsMuxer::segment_open()
     }
     
     // new segment.
-    current = new SrsHlsSegment(context, default_acodec, default_vcodec,writer);
+    current = new SrsHlsSegment(context, default_acodec, default_vcodec, writer);
     current->sequence_no = _sequence_no++;
 
-    if(hls_keys){
+    if ((err = write_hls_key()) != srs_success) {
-
+        return srs_error_wrap(err, "write hls key");
-        if(current->sequence_no % hls_fragments_per_key == 0)
-        {
-            string key_file = hls_key_file;
-            key_file = srs_path_build_stream(key_file, req->vhost, req->app, req->stream);
-            
-            if (true) {
-                std::stringstream ss;
-                ss << current->sequence_no;
-                key_file = srs_string_replace(key_file, "[seq]", ss.str());
-            }
-
-            string key_full_path = hls_key_file_path + "/" + key_file;
-
-            if (RAND_bytes(key, 16) < 0) {
-                srs_error_wrap(err, "rand key failed.");
-            }
-
-            if (RAND_bytes(iv, 16) < 0) {
-                srs_error_wrap(err, "rand iv failed.");
-            }
-
-            int flags = O_CREAT|O_WRONLY|O_TRUNC;
-            mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH;
-            int fd;
-
-            if ((fd = ::open(key_full_path.c_str(), flags, mode)) < 0) {
-                 return srs_error_new(ERROR_SYSTEM_FILE_OPENE, "open file %s failed", key_full_path.c_str());
-            }
-            ssize_t nwrite;
-            if ((nwrite = ::write(fd, key, 16)) != 16) {
-                return srs_error_new(ERROR_SYSTEM_FILE_WRITE, "write to file %s failed", key_full_path.c_str());
-            }
-
-            if (::close(fd) < 0) {
-              srs_warn("close file %s failed",key_full_path.c_str());
-            }
-
-        }
-        current->SrsSetEncCfg(key,iv);
-        
     }
     
-    
     // generate filename.
     std::string ts_file = hls_ts_file;
     ts_file = srs_path_build_stream(ts_file, req->vhost, req->app, req->stream);
@@ -688,6 +653,58 @@ srs_error_t SrsHlsMuxer::segment_close()
     return err;
 }
 
+srs_error_t SrsHlsMuxer::write_hls_key()
+{
+    srs_error_t err = srs_success;
+    
+#ifndef SRS_AUTO_SSL
+    if (hls_keys) {
+        srs_warn("SSL is disabled, ignore HLS key");
+    }
+#endif
+    
+#ifdef SRS_AUTO_SSL
+    if (hls_keys && current->sequence_no % hls_fragments_per_key == 0) {
+        string key_file = hls_key_file;
+        key_file = srs_path_build_stream(key_file, req->vhost, req->app, req->stream);
+        
+        if (true) {
+            std::stringstream ss;
+            ss << current->sequence_no;
+            key_file = srs_string_replace(key_file, "[seq]", ss.str());
+        }
+        
+        string key_full_path = hls_key_file_path + "/" + key_file;
+        
+        if (RAND_bytes(key, 16) < 0) {
+            srs_error_wrap(err, "rand key failed.");
+        }
+        
+        if (RAND_bytes(iv, 16) < 0) {
+            srs_error_wrap(err, "rand iv failed.");
+        }
+        
+        SrsFileWriter fw;
+        
+        if ((err = fw.open(key_full_path)) != srs_success) {
+            return srs_error_wrap(err, "open file %s", key_full_path.c_str());
+        }
+        
+        if ((err = fw.write(key, 16, NULL)) != srs_success) {
+            return srs_error_wrap(err, "write key");
+        }
+        
+        fw.close();
+    }
+    
+    if (hls_keys) {
+        current->config_cipher(key, iv);
+    }
+#endif
+    
+    return err;
+}
+
 srs_error_t SrsHlsMuxer::refresh_m3u8()
 {
     srs_error_t err = srs_success;

trunk/src/app/srs_app_hls.hpp

@@ -71,15 +71,11 @@ public:
     unsigned char iv[16];
     // The full key path.
     std::string keypath;
-
 public:
-    SrsHlsSegment(SrsTsContext* c, SrsAudioCodecId ac, SrsVideoCodecId vc, SrsFileWriter *srswriter);
+    SrsHlsSegment(SrsTsContext* c, SrsAudioCodecId ac, SrsVideoCodecId vc, SrsFileWriter* w);
     virtual ~SrsHlsSegment();
 public:
-
+    void config_cipher(unsigned char* key,unsigned char* iv);
-    void SrsSetEncCfg(unsigned char* keyval,unsigned char * ivval);
-
-
 };
 
 /**
@@ -156,24 +152,20 @@ private:
     // used to detect the dup or jmp or ts.
     int64_t accept_floor_ts;
     int64_t previous_floor_ts;
-
 private:
-    //encrypted or not
+    // encrypted or not
     bool hls_keys;
     int  hls_fragments_per_key;
-    //key file name
+    // key file name
     std::string hls_key_file;
-    //key file path
+    // key file path
     std::string hls_key_file_path;
-    //key file url
+    // key file url
     std::string hls_key_url;
-
+    // key and iv.
     unsigned char key[16];
     unsigned char iv[16];
-
     SrsFileWriter *writer;
-  
-
 private:
     int _sequence_no;
     int max_td;
@@ -210,8 +202,8 @@ public:
     virtual srs_error_t update_config(SrsRequest* r, std::string entry_prefix,
         std::string path, std::string m3u8_file, std::string ts_file,
         double fragment, double window, bool ts_floor, double aof_ratio,
-        bool cleanup, bool wait_keyframe , bool keys, int fragments_per_key,
+        bool cleanup, bool wait_keyframe, bool keys, int fragments_per_key,
-        std::string key_file , std::string key_file_path,std::string key_url);
+        std::string key_file, std::string key_file_path, std::string key_url);
     /**
      * open a new segment(a new ts file)
      */
@@ -244,6 +236,7 @@ public:
      */
     virtual srs_error_t segment_close();
 private:
+    virtual srs_error_t write_hls_key();
     virtual srs_error_t refresh_m3u8();
     virtual srs_error_t _refresh_m3u8(std::string m3u8_file);
 };

trunk/src/kernel/srs_kernel_ts.cpp

@@ -34,15 +34,21 @@
 #include <sstream>
 using namespace std;
 
+#ifdef SRS_AUTO_SSL
+#include <openssl/aes.h>
+#include <cstring>
+#endif
+
 #include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
-#include <srs_kernel_file.hpp>
 #include <srs_kernel_codec.hpp>
 #include <srs_kernel_stream.hpp>
 #include <srs_kernel_utility.hpp>
 #include <srs_kernel_buffer.hpp>
 #include <srs_core_autofree.hpp>
 
+#define HLS_AES_ENCRYPT_BLOCK_LENGTH SRS_TS_PACKET_SIZE * 4
+
 // in ms, for HLS aac sync time.
 #define SRS_CONF_DEFAULT_AAC_SYNC 100
 
@@ -2610,64 +2616,94 @@ SrsVideoCodecId SrsTsContextWriter::video_codec()
     return vcodec;
 }
 
-srs_error_t SrsEncFileWriter::write(void* buf, size_t count, ssize_t* pnwrite)
+#ifdef SRS_AUTO_SSL
+SrsEncFileWriter::SrsEncFileWriter()
 {
+    memset(iv,0,16);
+    
+    buf = new char[HLS_AES_ENCRYPT_BLOCK_LENGTH];
+    memset(buf, 0, HLS_AES_ENCRYPT_BLOCK_LENGTH);
+    
+    nb_buf = 0;
+    key = (unsigned char*)new AES_KEY();
+}
+
+SrsEncFileWriter::~SrsEncFileWriter()
+{
+    srs_freepa(buf);
+    
+    AES_KEY* k = (AES_KEY*)key;
+    srs_freep(k);
+}
+
+srs_error_t SrsEncFileWriter::write(void* data, size_t count, ssize_t* pnwrite)
+{
+    srs_error_t err = srs_success;
     
     srs_assert(count == SRS_TS_PACKET_SIZE);
-    srs_error_t err = srs_success;
 
-    if(buflength != HLS_AES_ENCRYPT_BLOCK_LENGTH)
+    if (nb_buf < HLS_AES_ENCRYPT_BLOCK_LENGTH) {
-    {
+        memcpy(buf + nb_buf, (char*)data, SRS_TS_PACKET_SIZE);
-        memcpy(tmpbuf+buflength,(char*)buf,SRS_TS_PACKET_SIZE);
+        nb_buf += SRS_TS_PACKET_SIZE;
-        buflength += SRS_TS_PACKET_SIZE;
-    }
-    if(buflength == HLS_AES_ENCRYPT_BLOCK_LENGTH)
-    {
-        unsigned char encryptedbuf[HLS_AES_ENCRYPT_BLOCK_LENGTH]; 
-        memset(encryptedbuf,0,HLS_AES_ENCRYPT_BLOCK_LENGTH);
-        AES_cbc_encrypt((unsigned char *)tmpbuf, (unsigned char *)encryptedbuf, HLS_AES_ENCRYPT_BLOCK_LENGTH, &key, iv, AES_ENCRYPT);
-        buflength = 0;
-        memset(tmpbuf,0,HLS_AES_ENCRYPT_BLOCK_LENGTH);
-        return SrsFileWriter::write(encryptedbuf,HLS_AES_ENCRYPT_BLOCK_LENGTH,pnwrite);
-    }
-    else
-    {
-        return err;
     }
     
-};
+    if (nb_buf == HLS_AES_ENCRYPT_BLOCK_LENGTH) {
+        nb_buf = 0;
         
-srs_error_t SrsEncFileWriter::SetEncCfg(unsigned char* keyval,unsigned char *ivval)
+        char* cipher = new char[HLS_AES_ENCRYPT_BLOCK_LENGTH];
+        SrsAutoFreeA(char, cipher);
+        
+        AES_KEY* k = (AES_KEY*)key;
+        AES_cbc_encrypt((unsigned char *)buf, (unsigned char *)cipher, HLS_AES_ENCRYPT_BLOCK_LENGTH, k, iv, AES_ENCRYPT);
+        
+        if ((err = SrsFileWriter::write(cipher, HLS_AES_ENCRYPT_BLOCK_LENGTH, pnwrite)) != srs_success) {
+            return srs_error_wrap(err, "write cipher");
+        }
+    }
+    
+    return err;
+}
+
+srs_error_t SrsEncFileWriter::config_cipher(unsigned char* key, unsigned char* iv)
 {
-    
     srs_error_t err = srs_success;
     
-    if (AES_set_encrypt_key(keyval, 16*8, &key)) 
+    memcpy(this->iv, iv, 16);
-    {
+  
+    AES_KEY* k = (AES_KEY*)this->key;
+    if (AES_set_encrypt_key(key, 16 * 8, k)) {
         return srs_error_new(ERROR_SYSTEM_FILE_WRITE, "set aes key failed");
     }
     
-    memcpy(iv,ivval,16);
     return err;
 }
 
 void SrsEncFileWriter::close()
 {
-    if(buflength > 0)
+    if(nb_buf > 0) {
-    {
+        int nb_padding = 16 - (nb_buf % 16);
-        int addBytes = 16 - buflength % 16;
+        if (nb_padding > 0) {
-        memset(tmpbuf + buflength, addBytes, addBytes);
+            memset(buf + nb_buf, nb_padding, nb_padding);
-        unsigned char encryptedbuf[buflength+addBytes];
+        }
-        memset(encryptedbuf,0,buflength+addBytes); 
-        AES_cbc_encrypt((unsigned char *)tmpbuf, (unsigned char *)encryptedbuf, buflength+addBytes, &key, iv, AES_ENCRYPT);
-        SrsFileWriter::write(encryptedbuf,buflength+addBytes,NULL);
         
-        buflength = 0;
+        char* cipher = new char[nb_buf + nb_padding];
-        memset(tmpbuf,0,HLS_AES_ENCRYPT_BLOCK_LENGTH);
+        SrsAutoFreeA(char, cipher);
+        
+        AES_KEY* k = (AES_KEY*)key;
+        AES_cbc_encrypt((unsigned char *)buf, (unsigned char *)cipher, nb_buf + nb_padding, k, iv, AES_ENCRYPT);
+        
+        srs_error_t err = srs_success;
+        if ((err = SrsFileWriter::write(cipher, nb_buf + nb_padding, NULL)) != srs_success) {
+            srs_warn("ignore err %s", srs_error_desc(err).c_str());
+            srs_error_reset(err);
+        }
+
+        nb_buf = 0;
     }
+    
     SrsFileWriter::close();
 }
-
+#endif
 
 SrsTsMessageCache::SrsTsMessageCache()
 {

trunk/src/kernel/srs_kernel_ts.hpp

@@ -31,13 +31,10 @@
 #include <string>
 #include <map>
 #include <vector>
-#include <openssl/aes.h>
-#include <cstring>
 
 #include <srs_kernel_codec.hpp>
 #include <srs_kernel_file.hpp>
 
-
 class SrsBuffer;
 class SrsTsMessageCache;
 class SrsTsContextWriter;
@@ -1575,40 +1572,28 @@ public:
     virtual SrsVideoCodecId video_codec();
 };
 
+#ifdef SRS_AUTO_SSL
 /*
-* Used for HLS Encryption
+ * Used for HLS Encryption
-*/
+ */
-
-
-#define HLS_AES_ENCRYPT_BLOCK_LENGTH 188*4
-
 class SrsEncFileWriter: public SrsFileWriter
 {
 public:
-    SrsEncFileWriter()
+    SrsEncFileWriter();
-    {
+    virtual ~SrsEncFileWriter();
-        memset(iv,0,16);
+public:
-        memset(tmpbuf,0,HLS_AES_ENCRYPT_BLOCK_LENGTH);
+    virtual srs_error_t write(void* data, size_t count, ssize_t* pnwrite);
-        buflength = 0;
-    }
-    virtual ~SrsEncFileWriter(){}
-
-    virtual srs_error_t write(void* buf, size_t count, ssize_t* pnwrite);
-
-    srs_error_t SetEncCfg(unsigned char* key,unsigned char *iv);
-   
     virtual void close();
-
+public:
+    srs_error_t config_cipher(unsigned char* key, unsigned char* iv);
 private:
-    AES_KEY key;
+    unsigned char* key;
     unsigned char iv[16];
-
 private:
-
+    char* buf;
-    char tmpbuf[HLS_AES_ENCRYPT_BLOCK_LENGTH];
+    int nb_buf;
-    int buflength;
-  
 };
+#endif
 
 /**
  * TS messages cache, to group frames to TS message,