/** * Saves a module cache to disk, and release cache data from memory. */ void CacheSave (vlc_object_t *p_this, const char *dir, module_cache_t *entries, size_t n) { char *filename = NULL, *tmpname = NULL; if (asprintf (&filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1) goto out; if (asprintf (&tmpname, "%s.%"PRIu32, filename, (uint32_t)getpid ()) == -1) goto out; msg_Dbg (p_this, "saving plugins cache %s", filename); FILE *file = vlc_fopen (tmpname, "wb"); if (file == NULL) { if (errno != EACCES && errno != ENOENT) msg_Warn (p_this, "cannot create %s: %s", tmpname, vlc_strerror_c(errno)); goto out; } if (CacheSaveBank (file, entries, n)) { msg_Warn (p_this, "cannot write %s: %s", tmpname, vlc_strerror_c(errno)); clearerr (file); fclose (file); vlc_unlink (tmpname); goto out; } #if !defined( _WIN32 ) && !defined( __OS2__ ) vlc_rename (tmpname, filename); /* atomically replace old cache */ fclose (file); #else vlc_unlink (filename); fclose (file); vlc_rename (tmpname, filename); #endif out: free (filename); free (tmpname); for (size_t i = 0; i < n; i++) free (entries[i].path); free (entries); }
static int Remove( addons_storage_t *p_storage, addon_entry_t *p_entry ) { vlc_mutex_lock( &p_entry->lock ); FOREACH_ARRAY( addon_file_t *p_file, p_entry->files ) switch( p_file->e_filetype ) { case ADDON_EXTENSION: case ADDON_PLAYLIST_PARSER: case ADDON_SERVICE_DISCOVERY: case ADDON_INTERFACE: case ADDON_META: case ADDON_SKIN2: { char *psz_dest; char *psz_translated_filename = strdup( p_file->psz_filename ); if ( !psz_translated_filename ) return VLC_ENOMEM; char *tmp = psz_translated_filename; while (*tmp++) if ( *tmp == '/' ) *tmp = DIR_SEP_CHAR; char *psz_dir = getAddonInstallDir( p_file->e_filetype ); if ( !psz_dir || asprintf( &psz_dest, "%s"DIR_SEP"%s", psz_dir, psz_translated_filename ) < 1 ) { free( psz_dir ); free( psz_translated_filename ); return VLC_EGENERIC; } free( psz_dir ); free( psz_translated_filename ); vlc_unlink( psz_dest ); msg_Dbg( p_storage, "removing %s", psz_dest ); free( psz_dest ); break; } /* Ignore all other unhandled files */ case ADDON_UNKNOWN: case ADDON_PLUGIN: case ADDON_OTHER: default: break; } FOREACH_END() /* Remove file info on success */ FOREACH_ARRAY( addon_file_t *p_file, p_entry->files ) free( p_file->psz_filename ); free( p_file->psz_download_uri ); free( p_file ); FOREACH_END() ARRAY_RESET( p_entry->files ); vlc_mutex_unlock( &p_entry->lock ); return VLC_SUCCESS; }
/***************************************************************************** * SavePluginsCache: saves the plugins cache to a file *****************************************************************************/ void CacheSave (vlc_object_t *p_this, const char *dir, module_cache_t *const *pp_cache, size_t n) { char *filename, *tmpname; if (asprintf (&filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1) return; if (asprintf (&tmpname, "%s.%"PRIu32, filename, (uint32_t)getpid ()) == -1) { free (filename); return; } msg_Dbg (p_this, "saving plugins cache %s", filename); FILE *file = vlc_fopen (tmpname, "wb"); if (file == NULL) { if (errno != EACCES && errno != ENOENT) msg_Warn (p_this, "cannot create %s (%m)", tmpname); goto out; } if (CacheSaveBank (file, pp_cache, n)) { msg_Warn (p_this, "cannot write %s (%m)", tmpname); clearerr (file); fclose (file); vlc_unlink (tmpname); goto out; } #if !defined( WIN32 ) && !defined( __OS2__ ) vlc_rename (tmpname, filename); /* atomically replace old cache */ fclose (file); #else vlc_unlink (filename); fclose (file); vlc_rename (tmpname, filename); #endif out: free (filename); free (tmpname); }
/***************************************************************************** * Open: open the file *****************************************************************************/ static int Open( vlc_object_t *p_this ) { sout_access_out_t *p_access = (sout_access_out_t*)p_this; sout_access_out_sys_t *p_sys; char *psz_idx; config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg ); if( !p_access->psz_path ) { msg_Err( p_access, "no file name specified" ); return VLC_EGENERIC; } if( !( p_sys = malloc ( sizeof( *p_sys ) ) ) ) return VLC_ENOMEM; p_sys->i_seglen = var_GetInteger( p_access, SOUT_CFG_PREFIX "seglen" ); p_sys->i_seglenm = CLOCK_FREQ * p_sys->i_seglen; p_sys->i_numsegs = var_GetInteger( p_access, SOUT_CFG_PREFIX "numsegs" ); p_sys->b_splitanywhere = var_GetBool( p_access, SOUT_CFG_PREFIX "splitanywhere" ); p_sys->b_delsegs = var_GetBool( p_access, SOUT_CFG_PREFIX "delsegs" ); p_sys->b_ratecontrol = var_GetBool( p_access, SOUT_CFG_PREFIX "ratecontrol") ; p_sys->psz_indexPath = NULL; psz_idx = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "index" ); if ( psz_idx ) { char *psz_tmp; psz_tmp = str_format( p_access, psz_idx ); free( psz_idx ); if ( !psz_tmp ) { free( p_sys ); return VLC_ENOMEM; } path_sanitize( psz_tmp ); p_sys->psz_indexPath = psz_tmp; vlc_unlink( p_sys->psz_indexPath ); } p_sys->psz_indexUrl = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "index-url" ); p_access->p_sys = p_sys; p_sys->i_handle = -1; p_sys->i_segment = 0; p_sys->psz_cursegPath = NULL; p_access->pf_write = Write; p_access->pf_seek = Seek; p_access->pf_control = Control; return VLC_SUCCESS; }
void CacheDelete( vlc_object_t *obj, const char *dir ) { char *path; assert( dir != NULL ); if( asprintf( &path, "%s"DIR_SEP CACHE_NAME, dir ) == -1 ) return; msg_Dbg( obj, "removing plugins cache file %s", path ); vlc_unlink( path ); free( path ); }
int playlist_MLDump( playlist_t *p_playlist ) { char *psz_temp; psz_temp = config_GetUserDir( VLC_DATA_DIR ); if( !psz_temp ) /* XXX: This should never happen */ { msg_Err( p_playlist, "no data directory, cannot save media library") ; return VLC_EGENERIC; } char psz_dirname[ strlen( psz_temp ) + sizeof( DIR_SEP "ml.xspf")]; strcpy( psz_dirname, psz_temp ); free( psz_temp ); if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) ) { return VLC_EGENERIC; } strcat( psz_dirname, DIR_SEP "ml.xspf" ); if ( asprintf( &psz_temp, "%s.tmp%"PRIu32, psz_dirname, (uint32_t)getpid() ) < 1 ) return VLC_EGENERIC; int i_ret = playlist_Export( p_playlist, psz_temp, p_playlist->p_media_library, "export-xspf" ); if ( i_ret != VLC_SUCCESS ) { vlc_unlink( psz_temp ); free( psz_temp ); return i_ret; } i_ret = vlc_rename( psz_temp, psz_dirname ); free( psz_temp ); if( i_ret == -1 ) { msg_Err( p_playlist, "could not rename %s.tmp: %s", psz_dirname, vlc_strerror_c(errno) ); return VLC_EGENERIC; } return VLC_SUCCESS; }
/***************************************************************************** * config_SaveConfigFile: Save a module's config options. ***************************************************************************** * This will save the specified module's config options to the config file. * If psz_module_name is NULL then we save all the modules config options. * It's no use to save the config options that kept their default values, so * we'll try to be a bit clever here. * * When we save we mustn't delete the config options of the modules that * haven't been loaded. So we cannot just create a new config file with the * config structures we've got in memory. * I don't really know how to deal with this nicely, so I will use a completly * dumb method ;-) * I will load the config file in memory, but skipping all the sections of the * modules we want to save. Then I will create a brand new file, dump the file * loaded in memory and then append the sections of the modules we want to * save. * Really stupid no ? *****************************************************************************/ static int SaveConfigFile( vlc_object_t *p_this, const char *psz_module_name, bool b_autosave ) { module_t *p_parser; char *permanent = NULL, *temporary = NULL; if( config_PrepareDir( p_this ) ) { msg_Err( p_this, "no configuration directory" ); return -1; } /* List all available modules */ module_t **list = module_list_get (NULL); char *bigbuf = NULL; size_t bigsize = 0; FILE *file = config_OpenConfigFile (p_this); if (file != NULL) { struct stat st; /* Some users make vlcrc read-only to prevent changes. * The atomic replacement scheme breaks this "feature", * so we check for read-only by hand. */ if (fstat (fileno (file), &st) || !(st.st_mode & S_IWUSR)) { msg_Err (p_this, "configuration file is read-only"); goto error; } bigsize = (st.st_size < LONG_MAX) ? st.st_size : 0; bigbuf = malloc (bigsize + 1); if (bigbuf == NULL) goto error; /* backup file into memory, we only need to backup the sections we * won't save later on */ char *p_index = bigbuf; char *line = NULL; size_t bufsize; ssize_t linelen; bool backup = false; while ((linelen = getline (&line, &bufsize, file)) != -1) { char *p_index2; if ((line[0] == '[') && (p_index2 = strchr(line,']'))) { /* we found a new section, check if we need to do a backup */ backup = true; for (int i = 0; (p_parser = list[i]) != NULL; i++) { if (!strncmp (line + 1, p_parser->psz_object_name, strlen (p_parser->psz_object_name)) && ((psz_module_name == NULL) || !strcmp (psz_module_name, p_parser->psz_object_name))) { backup = false; /* no, we will rewrite it! */ break; } } } /* save line if requested and line is valid (doesn't begin with a * space, tab, or eol) */ if (backup && !memchr ("\n\t ", line[0], 3)) { memcpy (p_index, line, linelen); p_index += linelen; } } fclose (file); file = NULL; free (line); *p_index = '\0'; bigsize = p_index - bigbuf; } /* * Save module config in file */ permanent = config_GetConfigFile (p_this); if (!permanent) { module_list_free (list); goto error; } if (asprintf (&temporary, "%s.%u", permanent, getpid ()) == -1) { temporary = NULL; module_list_free (list); goto error; } /* Configuration lock must be taken before vlcrc serializer below. */ vlc_rwlock_rdlock (&config_lock); /* The temporary configuration file is per-PID. Therefore SaveConfigFile() * should be serialized against itself within a given process. */ static vlc_mutex_t lock = VLC_STATIC_MUTEX; vlc_mutex_lock (&lock); int fd = vlc_open (temporary, O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR); if (fd == -1) { vlc_rwlock_unlock (&config_lock); vlc_mutex_unlock (&lock); module_list_free (list); goto error; } file = fdopen (fd, "wt"); if (file == NULL) { msg_Err (p_this, "cannot create configuration file: %m"); vlc_rwlock_unlock (&config_lock); close (fd); vlc_mutex_unlock (&lock); module_list_free (list); goto error; } fprintf( file, "\xEF\xBB\xBF###\n" "### "PACKAGE_NAME" "PACKAGE_VERSION"\n" "###\n" "\n" "###\n" "### lines beginning with a '#' character are comments\n" "###\n" "\n" ); /* Ensure consistent number formatting... */ locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL); locale_t baseloc = uselocale (loc); /* We would take the config lock here. But this would cause a lock * inversion with the serializer above and config_AutoSaveConfigFile(). vlc_rwlock_rdlock (&config_lock);*/ /* Look for the selected module, if NULL then save everything */ for (int i = 0; (p_parser = list[i]) != NULL; i++) { module_config_t *p_item, *p_end; if( psz_module_name && strcmp( psz_module_name, p_parser->psz_object_name ) ) continue; if( !p_parser->i_config_items ) continue; if( psz_module_name ) msg_Dbg( p_this, "saving config for module \"%s\"", p_parser->psz_object_name ); fprintf( file, "[%s]", p_parser->psz_object_name ); if( p_parser->psz_longname ) fprintf( file, " # %s\n\n", p_parser->psz_longname ); else fprintf( file, "\n\n" ); for( p_item = p_parser->p_config, p_end = p_item + p_parser->confsize; p_item < p_end; p_item++ ) { if ((p_item->i_type & CONFIG_HINT) /* ignore hint */ || p_item->b_removed /* ignore deprecated option */ || p_item->b_unsaveable) /* ignore volatile option */ continue; /* Do not save the new value in the configuration file * if doing an autosave, and the item is not an "autosaved" one. */ bool b_retain = b_autosave && !p_item->b_autosave; if (IsConfigIntegerType (p_item->i_type)) { int64_t val = b_retain ? p_item->saved.i : p_item->value.i; config_Write (file, p_item->psz_text, (p_item->i_type == CONFIG_ITEM_BOOL) ? N_("boolean") : N_("integer"), val == p_item->orig.i, p_item->psz_name, "%"PRId64, val); p_item->saved.i = val; } else if (IsConfigFloatType (p_item->i_type)) { float val = b_retain ? p_item->saved.f : p_item->value.f; config_Write (file, p_item->psz_text, N_("float"), val == p_item->orig.f, p_item->psz_name, "%f", val); p_item->saved.f = val; } else { const char *psz_value = b_retain ? p_item->saved.psz : p_item->value.psz; bool modified; assert (IsConfigStringType (p_item->i_type)); if (b_retain && (psz_value == NULL)) /* FIXME: hack */ psz_value = p_item->orig.psz; modified = (psz_value != NULL) ? ((p_item->orig.psz != NULL) ? (strcmp (psz_value, p_item->orig.psz) != 0) : true) : (p_item->orig.psz != NULL); config_Write (file, p_item->psz_text, N_("string"), !modified, p_item->psz_name, "%s", psz_value ? psz_value : ""); if ( !b_retain ) { free ((char *)p_item->saved.psz); if( (psz_value && p_item->orig.psz && strcmp( psz_value, p_item->orig.psz )) || !psz_value || !p_item->orig.psz) p_item->saved.psz = strdupnull (psz_value); else p_item->saved.psz = NULL; } } if (!b_retain) p_item->b_dirty = false; } } vlc_rwlock_unlock (&config_lock); module_list_free (list); if (loc != (locale_t)0) { uselocale (baseloc); freelocale (loc); } /* * Restore old settings from the config in file */ if (bigsize) fwrite (bigbuf, 1, bigsize, file); /* * Flush to disk and replace atomically */ fflush (file); /* Flush from run-time */ if (ferror (file)) { vlc_unlink (temporary); vlc_mutex_unlock (&lock); msg_Err (p_this, "cannot write configuration file"); clearerr (file); goto error; } #ifndef WIN32 #ifdef __APPLE__ fsync (fd); /* Flush from OS */ #else fdatasync (fd); /* Flush from OS */ #endif /* Atomically replace the file... */ if (vlc_rename (temporary, permanent)) vlc_unlink (temporary); /* (...then synchronize the directory, err, TODO...) */ /* ...and finally close the file */ vlc_mutex_unlock (&lock); #endif fclose (file); #ifdef WIN32 /* Windows cannot remove open files nor overwrite existing ones */ vlc_unlink (permanent); if (vlc_rename (temporary, permanent)) vlc_unlink (temporary); vlc_mutex_unlock (&lock); #endif free (temporary); free (permanent); free (bigbuf); return 0; error: if( file ) fclose( file ); free (temporary); free (permanent); free (bigbuf); return -1; }
static int Retrieve( addons_finder_t *p_finder, addon_entry_t *p_entry ) { if ( !p_entry->psz_archive_uri ) return VLC_EGENERIC; /* get archive and parse manifest */ stream_t *p_stream; if ( p_entry->psz_archive_uri[0] == '/' ) { /* Relative path */ char *psz_uri; if ( ! asprintf( &psz_uri, ADDONS_REPO_SCHEMEHOST"%s", p_entry->psz_archive_uri ) ) return VLC_ENOMEM; p_stream = stream_UrlNew( p_finder, psz_uri ); free( psz_uri ); } else { p_stream = stream_UrlNew( p_finder, p_entry->psz_archive_uri ); } msg_Dbg( p_finder, "downloading archive %s", p_entry->psz_archive_uri ); if ( !p_stream ) return VLC_EGENERIC; /* In case of pf_ reuse */ if ( p_finder->p_sys->psz_tempfile ) { vlc_unlink( p_finder->p_sys->psz_tempfile ); FREENULL( p_finder->p_sys->psz_tempfile ); } p_finder->p_sys->psz_tempfile = tempnam( NULL, "vlp" ); if ( !p_finder->p_sys->psz_tempfile ) { msg_Err( p_finder, "Can't create temp storage file" ); stream_Delete( p_stream ); return VLC_EGENERIC; } FILE *p_destfile = vlc_fopen( p_finder->p_sys->psz_tempfile, "w" ); if( !p_destfile ) { msg_Err( p_finder, "Failed to open addon temp storage file" ); FREENULL(p_finder->p_sys->psz_tempfile); stream_Delete( p_stream ); return VLC_EGENERIC; } char buffer[1<<10]; int i_read = 0; while ( ( i_read = stream_Read( p_stream, &buffer, 1<<10 ) ) ) { if ( fwrite( &buffer, i_read, 1, p_destfile ) < 1 ) { msg_Err( p_finder, "Failed to write to Addon file" ); fclose( p_destfile ); stream_Delete( p_stream ); return VLC_EGENERIC; } } fclose( p_destfile ); stream_Delete( p_stream ); msg_Dbg( p_finder, "Reading manifest from %s", p_finder->p_sys->psz_tempfile ); char *psz_manifest; if ( asprintf( &psz_manifest, "unzip://%s!/manifest.xml", p_finder->p_sys->psz_tempfile ) < 1 ) return VLC_ENOMEM; p_stream = stream_UrlNew( p_finder, psz_manifest ); free( psz_manifest ); int i_ret = ( ParseManifest( p_finder, p_entry, p_finder->p_sys->psz_tempfile, p_stream ) > 0 ) ? VLC_SUCCESS : VLC_EGENERIC; stream_Delete( p_stream ); return i_ret; }
/***************************************************************************** * Save Picture to disk *****************************************************************************/ static void SavePicture( filter_t *p_filter, picture_t *p_pic ) { filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys; video_format_t fmt_in, fmt_out; char *psz_filename = NULL; char *psz_temp = NULL; int i_ret; memset( &fmt_in, 0, sizeof(video_format_t) ); memset( &fmt_out, 0, sizeof(video_format_t) ); /* Save snapshot psz_format to a memory zone */ fmt_in = p_pic->format; fmt_out.i_sar_num = fmt_out.i_sar_den = 1; fmt_out.i_width = p_sys->i_width; fmt_out.i_height = p_sys->i_height; fmt_out.i_chroma = p_sys->i_format; /* * Save the snapshot to a temporary file and * switch it to the real name afterwards. */ if( p_sys->b_replace ) i_ret = asprintf( &psz_filename, "%s" DIR_SEP "%s.%s", p_sys->psz_path, p_sys->psz_prefix, p_sys->psz_format ); else i_ret = asprintf( &psz_filename, "%s" DIR_SEP "%s%05d.%s", p_sys->psz_path, p_sys->psz_prefix, p_sys->i_frames, p_sys->psz_format ); if( i_ret == -1 ) { msg_Err( p_filter, "could not create snapshot %s", psz_filename ); goto error; } path_sanitize( psz_filename ); i_ret = asprintf( &psz_temp, "%s.swp", psz_filename ); if( i_ret == -1 ) { msg_Err( p_filter, "could not create snapshot temporarily file %s", psz_temp ); goto error; } path_sanitize( psz_temp ); /* Save the image */ i_ret = image_WriteUrl( p_sys->p_image, p_pic, &fmt_in, &fmt_out, psz_temp ); if( i_ret != VLC_SUCCESS ) { msg_Err( p_filter, "could not create snapshot %s", psz_temp ); } else { /* switch to the final destination */ #if defined (_WIN32) || defined(__OS2__) vlc_unlink( psz_filename ); #endif i_ret = vlc_rename( psz_temp, psz_filename ); if( i_ret == -1 ) { msg_Err( p_filter, "could not rename snapshot %s %m", psz_filename ); goto error; } } error: free( psz_temp ); free( psz_filename ); }
/***************************************************************************** * Open: open the file *****************************************************************************/ static int Open( vlc_object_t *p_this ) { sout_access_out_t *p_access = (sout_access_out_t*)p_this; sout_access_out_sys_t *p_sys; char *psz_idx; config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg ); if( !p_access->psz_path ) { msg_Err( p_access, "no file name specified" ); return VLC_EGENERIC; } if( unlikely( !( p_sys = calloc ( 1, sizeof( *p_sys ) ) ) ) ) return VLC_ENOMEM; /* Try to get within asked segment length */ p_sys->i_seglen = var_GetInteger( p_access, SOUT_CFG_PREFIX "seglen" ); p_sys->i_seglenm = CLOCK_FREQ * p_sys->i_seglen; p_sys->full_segments = NULL; p_sys->full_segments_end = &p_sys->full_segments; p_sys->ongoing_segment = NULL; p_sys->ongoing_segment_end = &p_sys->ongoing_segment; p_sys->i_numsegs = var_GetInteger( p_access, SOUT_CFG_PREFIX "numsegs" ); p_sys->i_initial_segment = var_GetInteger( p_access, SOUT_CFG_PREFIX "initial-segment-number" ); p_sys->b_splitanywhere = var_GetBool( p_access, SOUT_CFG_PREFIX "splitanywhere" ); p_sys->b_delsegs = var_GetBool( p_access, SOUT_CFG_PREFIX "delsegs" ); p_sys->b_ratecontrol = var_GetBool( p_access, SOUT_CFG_PREFIX "ratecontrol") ; p_sys->b_caching = var_GetBool( p_access, SOUT_CFG_PREFIX "caching") ; p_sys->b_generate_iv = var_GetBool( p_access, SOUT_CFG_PREFIX "generate-iv") ; p_sys->b_segment_has_data = false; p_sys->segments_t = vlc_array_new(); p_sys->stuffing_size = 0; p_sys->i_opendts = VLC_TS_INVALID; p_sys->i_dts_offset = 0; p_sys->psz_indexPath = NULL; psz_idx = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "index" ); if ( psz_idx ) { char *psz_tmp; psz_tmp = vlc_strftime( psz_idx ); free( psz_idx ); if ( !psz_tmp ) { free( p_sys ); return VLC_ENOMEM; } p_sys->psz_indexPath = psz_tmp; if( p_sys->i_initial_segment != 1 ) vlc_unlink( p_sys->psz_indexPath ); } p_sys->psz_indexUrl = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "index-url" ); p_sys->psz_keyfile = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "key-loadfile" ); p_sys->key_uri = var_GetNonEmptyString( p_access, SOUT_CFG_PREFIX "key-uri" ); p_access->p_sys = p_sys; if( p_sys->psz_keyfile && ( LoadCryptFile( p_access ) < 0 ) ) { free( p_sys->psz_indexUrl ); free( p_sys->psz_indexPath ); free( p_sys ); msg_Err( p_access, "Encryption init failed" ); return VLC_EGENERIC; } else if( !p_sys->psz_keyfile && ( CryptSetup( p_access, NULL ) < 0 ) ) { free( p_sys->psz_indexUrl ); free( p_sys->psz_indexPath ); free( p_sys ); msg_Err( p_access, "Encryption init failed" ); return VLC_EGENERIC; } p_sys->i_handle = -1; p_sys->i_segment = p_sys->i_initial_segment-1; p_sys->psz_cursegPath = NULL; p_access->pf_write = Write; p_access->pf_seek = Seek; p_access->pf_control = Control; return VLC_SUCCESS; }
static void OutputStart( sout_stream_t *p_stream ) { sout_stream_sys_t *p_sys = p_stream->p_sys; /* */ if( p_sys->b_drop ) return; /* From now on drop packet that cannot be handled */ p_sys->b_drop = true; /* Detect streams to smart select muxer */ const char *psz_muxer = NULL; const char *psz_extension = NULL; /* Look for preferred muxer * TODO we could insert transcode in a few cases like * s16l <-> s16b */ for( unsigned i = 0; i < sizeof(p_muxers) / sizeof(*p_muxers); i++ ) { bool b_ok; if( p_sys->i_id > p_muxers[i].i_es_max ) continue; b_ok = true; for( int j = 0; j < p_sys->i_id; j++ ) { es_format_t *p_fmt = &p_sys->id[j]->fmt; b_ok = false; for( int k = 0; p_muxers[i].codec[k] != 0; k++ ) { if( p_fmt->i_codec == p_muxers[i].codec[k] ) { b_ok = true; break; } } if( !b_ok ) break; } if( !b_ok ) continue; psz_muxer = p_muxers[i].psz_muxer; psz_extension = p_muxers[i].psz_extension; break; } /* If failed, brute force our demuxers and select the one that * keeps most of our stream */ if( !psz_muxer || !psz_extension ) { static const char ppsz_muxers[][2][4] = { { "avi", "avi" }, { "mp4", "mp4" }, { "ogg", "ogg" }, { "asf", "asf" }, { "ts", "ts" }, { "ps", "mpg" }, { "mkv", "mkv" }, #if 0 // XXX ffmpeg sefault really easily if you try an unsupported codec // mov and avi at least segfault { "avformat{mux=avi}", "avi" }, { "avformat{mux=mov}", "mov" }, { "avformat{mux=mp4}", "mp4" }, { "avformat{mux=nsv}", "nsv" }, { "avformat{mux=flv}", "flv" }, #endif }; int i_best = 0; int i_best_es = 0; msg_Warn( p_stream, "failed to find an adequate muxer, probing muxers" ); for( unsigned i = 0; i < sizeof(ppsz_muxers) / sizeof(*ppsz_muxers); i++ ) { char *psz_file; int i_es; psz_file = tempnam( NULL, "vlc" ); if( !psz_file ) continue; msg_Dbg( p_stream, "probing muxer %s", ppsz_muxers[i][0] ); i_es = OutputNew( p_stream, ppsz_muxers[i][0], psz_file, NULL ); if( i_es < 0 ) { vlc_unlink( psz_file ); free( psz_file ); continue; } /* */ for( int i = 0; i < p_sys->i_id; i++ ) { sout_stream_id_t *id = p_sys->id[i]; if( id->id ) sout_StreamIdDel( p_sys->p_out, id->id ); id->id = NULL; } if( p_sys->p_out ) sout_StreamChainDelete( p_sys->p_out, p_sys->p_out ); p_sys->p_out = NULL; if( i_es > i_best_es ) { i_best_es = i_es; i_best = i; if( i_best_es >= p_sys->i_id ) break; } vlc_unlink( psz_file ); free( psz_file ); } /* */ psz_muxer = ppsz_muxers[i_best][0]; psz_extension = ppsz_muxers[i_best][1]; msg_Dbg( p_stream, "using muxer %s with extension %s (%d/%d streams accepted)", psz_muxer, psz_extension, i_best_es, p_sys->i_id ); } /* Create the output */ if( OutputNew( p_stream, psz_muxer, p_sys->psz_prefix, psz_extension ) < 0 ) { msg_Err( p_stream, "failed to open output"); return; } /* Compute highest timestamp of first I over all streams */ p_sys->i_dts_start = 0; for( int i = 0; i < p_sys->i_id; i++ ) { sout_stream_id_t *id = p_sys->id[i]; block_t *p_block; if( !id->id || !id->p_first ) continue; mtime_t i_dts = id->p_first->i_dts; for( p_block = id->p_first; p_block != NULL; p_block = p_block->p_next ) { if( p_block->i_flags & BLOCK_FLAG_TYPE_I ) { i_dts = p_block->i_dts; break; } } if( i_dts > p_sys->i_dts_start ) p_sys->i_dts_start = i_dts; } /* Send buffered data */ for( int i = 0; i < p_sys->i_id; i++ ) { sout_stream_id_t *id = p_sys->id[i]; if( !id->id ) continue; block_t *p_block = id->p_first; while( p_block ) { block_t *p_next = p_block->p_next; p_block->p_next = NULL; OutputSend( p_stream, id, p_block ); p_block = p_next; } id->p_first = NULL; id->pp_last = &id->p_first; } }
/** * Saves the in-memory configuration into a file. * @return 0 on success, -1 on error. */ int config_SaveConfigFile (vlc_object_t *p_this) { if( config_PrepareDir( p_this ) ) { msg_Err( p_this, "no configuration directory" ); return -1; } /* * Save module config in file */ char *temporary; char *permanent = config_GetConfigFile (p_this); if (permanent == NULL) return -1; if (asprintf (&temporary, "%s.%u", permanent, getpid ()) == -1) { free (permanent); return -1; } else { struct stat st; /* Some users make vlcrc read-only to prevent changes. * The atomic replacement scheme breaks this "feature", * so we check for read-only by hand. */ if (stat (permanent, &st) == 0 && !(st.st_mode & S_IWUSR)) { msg_Err (p_this, "configuration file is read-only"); goto error; } } /* Configuration lock must be taken before vlcrc serializer below. */ vlc_rwlock_rdlock (&config_lock); /* The temporary configuration file is per-PID. Therefore this function * should be serialized against itself within a given process. */ static vlc_mutex_t lock = VLC_STATIC_MUTEX; vlc_mutex_lock (&lock); int fd = vlc_open (temporary, O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR); if (fd == -1) { vlc_rwlock_unlock (&config_lock); vlc_mutex_unlock (&lock); goto error; } FILE *file = fdopen (fd, "wt"); if (file == NULL) { msg_Err (p_this, "cannot create configuration file: %s", vlc_strerror_c(errno)); vlc_rwlock_unlock (&config_lock); close (fd); vlc_mutex_unlock (&lock); goto error; } fprintf( file, "\xEF\xBB\xBF###\n" "### "PACKAGE_NAME" "PACKAGE_VERSION"\n" "###\n" "\n" "###\n" "### lines beginning with a '#' character are comments\n" "###\n" "\n" ); /* Ensure consistent number formatting... */ locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL); locale_t baseloc = uselocale (loc); /* We would take the config lock here. But this would cause a lock * inversion with the serializer above and config_AutoSaveConfigFile(). vlc_rwlock_rdlock (&config_lock);*/ /* Look for the selected module, if NULL then save everything */ size_t count; module_t **list = module_list_get (&count); for (size_t i = 0; i < count; i++) { module_t *p_parser = list[i]; module_config_t *p_item, *p_end; if( !p_parser->i_config_items ) continue; fprintf( file, "[%s]", module_get_object (p_parser) ); if( p_parser->psz_longname ) fprintf( file, " # %s\n\n", p_parser->psz_longname ); else fprintf( file, "\n\n" ); for( p_item = p_parser->p_config, p_end = p_item + p_parser->confsize; p_item < p_end; p_item++ ) { if (!CONFIG_ITEM(p_item->i_type) /* ignore hint */ || p_item->b_removed /* ignore deprecated option */ || p_item->b_unsaveable) /* ignore volatile option */ continue; if (IsConfigIntegerType (p_item->i_type)) { int64_t val = p_item->value.i; config_Write (file, p_item->psz_text, (CONFIG_CLASS(p_item->i_type) == CONFIG_ITEM_BOOL) ? N_("boolean") : N_("integer"), val == p_item->orig.i, p_item->psz_name, "%"PRId64, val); } else if (IsConfigFloatType (p_item->i_type)) { float val = p_item->value.f; config_Write (file, p_item->psz_text, N_("float"), val == p_item->orig.f, p_item->psz_name, "%f", val); } else { const char *psz_value = p_item->value.psz; bool modified; assert (IsConfigStringType (p_item->i_type)); modified = !!strcmp (psz_value ? psz_value : "", p_item->orig.psz ? p_item->orig.psz : ""); config_Write (file, p_item->psz_text, N_("string"), !modified, p_item->psz_name, "%s", psz_value ? psz_value : ""); } } } vlc_rwlock_unlock (&config_lock); module_list_free (list); if (loc != (locale_t)0) { uselocale (baseloc); freelocale (loc); } /* * Flush to disk and replace atomically */ fflush (file); /* Flush from run-time */ if (ferror (file)) { vlc_unlink (temporary); vlc_mutex_unlock (&lock); msg_Err (p_this, "cannot write configuration file"); fclose (file); goto error; } #if defined(__APPLE__) || defined(__ANDROID__) fsync (fd); /* Flush from OS */ #else fdatasync (fd); /* Flush from OS */ #endif #if defined (_WIN32) || defined (__OS2__) /* Windows cannot (re)move open files nor overwrite existing ones */ fclose (file); vlc_unlink (permanent); #endif /* Atomically replace the file... */ if (vlc_rename (temporary, permanent)) vlc_unlink (temporary); /* (...then synchronize the directory, err, TODO...) */ /* ...and finally close the file */ vlc_mutex_unlock (&lock); #if !defined (_WIN32) && !defined (__OS2__) fclose (file); #endif free (temporary); free (permanent); return 0; error: free (temporary); free (permanent); return -1; }
/************************************************************************ * updateIndexAndDel: If necessary, update index file & delete old segments ************************************************************************/ static int updateIndexAndDel( sout_access_out_t *p_access, sout_access_out_sys_t *p_sys, bool b_isend ) { uint32_t i_firstseg; if ( p_sys->i_numsegs == 0 || p_sys->i_segment < p_sys->i_numsegs ) i_firstseg = 1; else i_firstseg = ( p_sys->i_segment - p_sys->i_numsegs ) + 1; // First update index if ( p_sys->psz_indexPath ) { int val; FILE *fp; char *psz_idxTmp; if ( asprintf( &psz_idxTmp, "%s.tmp", p_sys->psz_indexPath ) < 0) return -1; fp = vlc_fopen( psz_idxTmp, "wt"); if ( !fp ) { msg_Err( p_access, "cannot open index file `%s'", psz_idxTmp ); free( psz_idxTmp ); return -1; } if ( fprintf( fp, "#EXTM3U\n#EXT-X-TARGETDURATION:%zu\n#EXT-X-MEDIA-SEQUENCE:%"PRIu32"\n", p_sys->i_seglen, i_firstseg ) < 0 ) { free( psz_idxTmp ); fclose( fp ); return -1; } char *psz_idxFormat = p_sys->psz_indexUrl ? p_sys->psz_indexUrl : p_access->psz_path; for ( uint32_t i = i_firstseg; i <= p_sys->i_segment; i++ ) { char *psz_name; if ( ! ( psz_name = formatSegmentPath( p_access, psz_idxFormat, i, false ) ) ) { free( psz_idxTmp ); fclose( fp ); return -1; } val = fprintf( fp, "#EXTINF:%zu,\n%s\n", p_sys->i_seglen, psz_name ); free( psz_name ); if ( val < 0 ) { free( psz_idxTmp ); fclose( fp ); return -1; } } if ( b_isend ) { if ( fputs ( STR_ENDLIST, fp ) < 0) { free( psz_idxTmp ); fclose( fp ) ; return -1; } } fclose( fp ); val = vlc_rename ( psz_idxTmp, p_sys->psz_indexPath); if ( val < 0 ) { vlc_unlink( psz_idxTmp ); msg_Err( p_access, "Error moving LiveHttp index file" ); } else msg_Info( p_access, "LiveHttpIndexComplete: %s" , p_sys->psz_indexPath ); free( psz_idxTmp ); } // Then take care of deletion if ( p_sys->b_delsegs && i_firstseg > 1 ) { char *psz_name = formatSegmentPath( p_access, p_access->psz_path, i_firstseg-1, true ); if ( psz_name ) { vlc_unlink( psz_name ); free( psz_name ); } } return 0; }
int tar_extract_all( TAR *t, char *prefix ) { union tar_buffer buffer; int len, err, getheader = 1, remaining = 0; FILE *outfile = NULL; long path_max = pathconf (".", _PC_PATH_MAX); size_t maxsize = (path_max == -1 || path_max > 4096) ? 4096 : path_max; char fname[BLOCKSIZE + maxsize]; while( 1 ) { len = gzread( *t, &buffer, BLOCKSIZE ); if( len < 0 ) { fprintf( stderr, "%s\n", gzerror(*t, &err) ); } /* * Always expect complete blocks to process * the tar information. */ if( len != 0 && len != BLOCKSIZE ) { fprintf( stderr, "gzread: incomplete block read\n" ); return -1; } /* * If we have to get a tar header */ if( getheader == 1 ) { /* * If we met the end of the tar * or the end-of-tar block, we are done */ if( (len == 0) || (buffer.header.name[0] == 0) ) { break; } snprintf( fname, sizeof(fname), "%s/%s", prefix, buffer.header.name ); /* Check magic value in header */ if( strncmp( buffer.header.magic, "GNUtar", 6 ) && strncmp( buffer.header.magic, "ustar", 5 ) ) { //fprintf(stderr, "not a tar file\n"); return -1; } switch( buffer.header.typeflag ) { case DIRTYPE: makedir( fname ); break; case REGTYPE: case AREGTYPE: remaining = getoct( buffer.header.size, 12 ); if( !remaining ) outfile = NULL; else { outfile = vlc_fopen( fname, "wb" ); if( outfile == NULL ) { /* try creating directory */ char *p = strrchr( fname, '/' ); if( p != NULL ) { *p = '\0'; makedir( fname ); *p = '/'; outfile = vlc_fopen( fname, "wb" ); if( !outfile ) { fprintf( stderr, "tar couldn't create %s\n", fname ); } } } } /* * could have no contents */ getheader = (remaining) ? 0 : 1; break; default: break; } } else { unsigned int bytes = (remaining > BLOCKSIZE)?BLOCKSIZE:remaining; if( outfile != NULL ) { if( fwrite( &buffer, sizeof(char), bytes, outfile ) != bytes ) { fprintf( stderr, "error writing %s skipping...\n", fname ); fclose( outfile ); outfile = NULL; vlc_unlink( fname ); } } remaining -= bytes; if( remaining == 0 ) { getheader = 1; if( outfile != NULL ) { fclose(outfile); outfile = NULL; } } } } return 0; }
static int Retrieve( addons_finder_t *p_finder, addon_entry_t *p_entry ) { vlc_mutex_lock( &p_entry->lock ); if ( !p_entry->psz_archive_uri ) { vlc_mutex_unlock( &p_entry->lock ); return VLC_EGENERIC; } char *psz_archive_uri = strdup( p_entry->psz_archive_uri ); vlc_mutex_unlock( &p_entry->lock ); if ( !psz_archive_uri ) return VLC_ENOMEM; /* get archive and parse manifest */ stream_t *p_stream; if ( psz_archive_uri[0] == '/' ) { /* Relative path */ char *psz_uri; if ( ! asprintf( &psz_uri, ADDONS_REPO_SCHEMEHOST"%s", psz_archive_uri ) ) { free( psz_archive_uri ); return VLC_ENOMEM; } p_stream = vlc_stream_NewURL_ND( p_finder, psz_uri ); free( psz_uri ); } else { p_stream = vlc_stream_NewURL_ND( p_finder, psz_archive_uri ); } msg_Dbg( p_finder, "downloading archive %s", psz_archive_uri ); free ( psz_archive_uri ); if ( !p_stream ) return VLC_EGENERIC; /* In case of pf_ reuse */ if ( p_finder->p_sys->psz_tempfile ) { vlc_unlink( p_finder->p_sys->psz_tempfile ); FREENULL( p_finder->p_sys->psz_tempfile ); } p_finder->p_sys->psz_tempfile = tempnam( NULL, "vlp" ); if ( !p_finder->p_sys->psz_tempfile ) { msg_Err( p_finder, "Can't create temp storage file" ); vlc_stream_Delete( p_stream ); return VLC_EGENERIC; } int fd = vlc_open( p_finder->p_sys->psz_tempfile, O_WRONLY | O_CREAT | O_EXCL, 0600 ); if( fd == -1 ) { msg_Err( p_finder, "Failed to open addon temp storage file" ); FREENULL(p_finder->p_sys->psz_tempfile); vlc_stream_Delete( p_stream ); return VLC_EGENERIC; } char buffer[1<<10]; ssize_t i_read = 0; int i_ret = VLC_SUCCESS; while ( ( i_read = vlc_stream_Read( p_stream, &buffer, 1<<10 ) ) > 0 ) { if ( write( fd, buffer, i_read ) != i_read ) { msg_Err( p_finder, "Failed to write to Addon file" ); i_ret = VLC_EGENERIC; break; } } vlc_close( fd ); vlc_stream_Delete( p_stream ); if (i_ret) return i_ret; msg_Dbg( p_finder, "Reading manifest from %s", p_finder->p_sys->psz_tempfile ); char *psz_tempfileuri = vlc_path2uri( p_finder->p_sys->psz_tempfile, NULL ); if ( !psz_tempfileuri ) return VLC_ENOMEM; char *psz_manifest_uri; if ( asprintf( &psz_manifest_uri, "%s#!/manifest.xml", psz_tempfileuri ) < 1 ) { free( psz_tempfileuri ); return VLC_ENOMEM; } p_stream = vlc_stream_NewMRL( p_finder, psz_manifest_uri ); free( psz_manifest_uri ); if ( !p_stream ) { free( psz_tempfileuri ); return VLC_EGENERIC; } vlc_mutex_lock( &p_entry->lock ); i_ret = ( ParseManifest( p_finder, p_entry, psz_tempfileuri, p_stream ) > 0 ) ? VLC_SUCCESS : VLC_EGENERIC; vlc_mutex_unlock( &p_entry->lock ); free( psz_tempfileuri ); vlc_stream_Delete( p_stream ); return i_ret; }