static int CacheLoadModuleConfig (module_t *module, FILE *file)
{
uint16_t lines;
/* Calculate the structure length */
LOAD_IMMEDIATE (module->i_config_items);
LOAD_IMMEDIATE (module->i_bool_items);
LOAD_IMMEDIATE (lines);
/* Allocate memory */
if (lines)
{
module->p_config = malloc (lines * sizeof (module_config_t));
if (unlikely(module->p_config == NULL))
{
module->confsize = 0;
return -1;
}
}
else
module->p_config = NULL;
module->confsize = lines;
/* Do the duplication job */
for (size_t i = 0; i < lines; i++)
if (CacheLoadConfig (module->p_config + i, file))
return -1;
return 0;
error:
return -1; /* FIXME: leaks */
}
static int CacheLoadString (char **p, FILE *file)
{
char *psz = NULL;
uint16_t size;
LOAD_IMMEDIATE (size);
if (size > 16384)
{
error:
return -1;
}
if (size > 0)
{
psz = malloc (size+1);
if (unlikely(psz == NULL))
goto error;
if (fread (psz, 1, size, file) != size)
{
free (psz);
goto error;
}
psz[size] = '\0';
}
*p = psz;
return 0;
}
static int CacheLoadConfig (module_config_t *cfg, FILE *file)
{
LOAD_IMMEDIATE (cfg->flags);
LOAD_STRING (cfg->psz_type);
LOAD_STRING (cfg->psz_name);
LOAD_STRING (cfg->psz_text);
LOAD_STRING (cfg->psz_longtext);
LOAD_IMMEDIATE (cfg->list_count);
if (IsConfigStringType (cfg->i_type))
{
LOAD_STRING (cfg->orig.psz);
if (cfg->orig.psz != NULL)
cfg->value.psz = strdup (cfg->orig.psz);
else
cfg->value.psz = NULL;
if (cfg->list_count)
cfg->list.psz = xmalloc (cfg->list_count * sizeof (char *));
else /* TODO: fix config_GetPszChoices() instead of this hack: */
LOAD_IMMEDIATE(cfg->list.psz_cb);
for (unsigned i = 0; i < cfg->list_count; i++)
{
LOAD_STRING (cfg->list.psz[i]);
if (cfg->list.psz[i] == NULL /* NULL -> empty string */
&& (cfg->list.psz[i] = calloc (1, 1)) == NULL)
goto error;
}
}
else
{
LOAD_IMMEDIATE (cfg->orig);
LOAD_IMMEDIATE (cfg->min);
LOAD_IMMEDIATE (cfg->max);
cfg->value = cfg->orig;
if (cfg->list_count)
cfg->list.i = xmalloc (cfg->list_count * sizeof (int));
else /* TODO: fix config_GetPszChoices() instead of this hack: */
LOAD_IMMEDIATE(cfg->list.i_cb);
for (unsigned i = 0; i < cfg->list_count; i++)
LOAD_IMMEDIATE (cfg->list.i[i]);
}
cfg->list_text = xmalloc (cfg->list_count * sizeof (char *));
for (unsigned i = 0; i < cfg->list_count; i++)
{
LOAD_STRING (cfg->list_text[i]);
if (cfg->list_text[i] == NULL /* NULL -> empty string */
&& (cfg->list_text[i] = calloc (1, 1)) == NULL)
goto error;
}
return 0;
error:
return -1; /* FIXME: leaks */
}
/**
* Loads a plugins cache file.
*
* This function will load the plugin cache if present and valid. This cache
* will in turn be queried by AllocateAllPlugins() to see if it needs to
* actually load the dynamically loadable module.
* This allows us to only fully load plugins when they are actually used.
*/
size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
{
char *psz_filename;
FILE *file;
int i_size, i_read;
char p_cachestring[sizeof(CACHE_STRING)];
size_t i_cache;
int32_t i_marker;
assert( dir != NULL );
*r = NULL;
if( asprintf( &psz_filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1 )
return 0;
msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
file = vlc_fopen( psz_filename, "rb" );
if( !file )
{
msg_Warn( p_this, "cannot read %s: %s", psz_filename,
vlc_strerror_c(errno) );
free( psz_filename );
return 0;
}
free( psz_filename );
/* Check the file is a plugins cache */
i_size = sizeof(CACHE_STRING) - 1;
i_read = fread( p_cachestring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_cachestring, CACHE_STRING, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#ifdef DISTRO_VERSION
/* Check for distribution specific version */
char p_distrostring[sizeof( DISTRO_VERSION )];
i_size = sizeof( DISTRO_VERSION ) - 1;
i_read = fread( p_distrostring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_distrostring, DISTRO_VERSION, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#endif
/* Check Sub-version number */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
/* Check header marker */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) ||
i_marker != ftell( file ) - (int)sizeof(i_marker) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(file too short)" );
fclose( file );
return 0;
}
module_cache_t *cache = NULL;
for (size_t count = 0; count < i_cache;)
{
module_t *module;
int i_submodules;
module = vlc_module_create (NULL);
/* Load additional infos */
LOAD_STRING(module->psz_shortname);
LOAD_STRING(module->psz_longname);
LOAD_STRING(module->psz_help);
LOAD_IMMEDIATE(module->i_shortcuts);
if (module->i_shortcuts > MODULE_SHORTCUT_MAX)
goto error;
else
{
module->pp_shortcuts =
xmalloc (sizeof (*module->pp_shortcuts) * module->i_shortcuts);
for (unsigned j = 0; j < module->i_shortcuts; j++)
LOAD_STRING(module->pp_shortcuts[j]);
}
LOAD_STRING(module->psz_capability);
LOAD_IMMEDIATE(module->i_score);
LOAD_IMMEDIATE(module->b_unloadable);
/* Config stuff */
if (CacheLoadModuleConfig (module, file) != VLC_SUCCESS)
goto error;
LOAD_STRING(module->domain);
if (module->domain != NULL)
vlc_bindtextdomain (module->domain);
LOAD_IMMEDIATE( i_submodules );
while( i_submodules-- )
{
module_t *submodule = vlc_module_create (module);
free (submodule->pp_shortcuts);
LOAD_STRING(submodule->psz_shortname);
LOAD_STRING(submodule->psz_longname);
LOAD_IMMEDIATE(submodule->i_shortcuts);
if (submodule->i_shortcuts > MODULE_SHORTCUT_MAX)
goto error;
else
{
submodule->pp_shortcuts =
xmalloc (sizeof (*submodule->pp_shortcuts) * submodule->i_shortcuts);
for (unsigned j = 0; j < submodule->i_shortcuts; j++)
LOAD_STRING(submodule->pp_shortcuts[j]);
}
LOAD_STRING(submodule->psz_capability);
LOAD_IMMEDIATE(submodule->i_score);
}
char *path;
struct stat st;
/* Load common info */
LOAD_STRING(path);
if (path == NULL)
goto error;
LOAD_IMMEDIATE(st.st_mtime);
LOAD_IMMEDIATE(st.st_size);
CacheAdd (&cache, &count, path, &st, module);
free (path);
/* TODO: deal with errors */
}
fclose( file );
*r = cache;
return i_cache;
error:
msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
/* TODO: cleanup */
fclose( file );
return 0;
}
static int CacheLoadConfig( module_t *p_module, FILE *file )
{
uint32_t i_lines;
uint16_t i_size;
/* Calculate the structure length */
LOAD_IMMEDIATE( p_module->i_config_items );
LOAD_IMMEDIATE( p_module->i_bool_items );
LOAD_IMMEDIATE( i_lines );
/* Allocate memory */
if (i_lines)
{
p_module->p_config =
(module_config_t *)calloc( i_lines, sizeof(module_config_t) );
if( p_module->p_config == NULL )
{
p_module->confsize = 0;
return VLC_ENOMEM;
}
}
p_module->confsize = i_lines;
/* Do the duplication job */
for (size_t i = 0; i < i_lines; i++ )
{
LOAD_IMMEDIATE( p_module->p_config[i] );
LOAD_STRING( p_module->p_config[i].psz_type );
LOAD_STRING( p_module->p_config[i].psz_name );
LOAD_STRING( p_module->p_config[i].psz_text );
LOAD_STRING( p_module->p_config[i].psz_longtext );
if (IsConfigStringType (p_module->p_config[i].i_type))
{
LOAD_STRING (p_module->p_config[i].orig.psz);
p_module->p_config[i].value.psz =
(p_module->p_config[i].orig.psz != NULL)
? strdup (p_module->p_config[i].orig.psz) : NULL;
}
else
memcpy (&p_module->p_config[i].value, &p_module->p_config[i].orig,
sizeof (p_module->p_config[i].value));
p_module->p_config[i].b_dirty = false;
if( p_module->p_config[i].i_list )
{
if( p_module->p_config[i].ppsz_list )
{
int j;
p_module->p_config[i].ppsz_list =
xmalloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
if( p_module->p_config[i].ppsz_list )
{
for( j = 0; j < p_module->p_config[i].i_list; j++ )
LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
p_module->p_config[i].ppsz_list[j] = NULL;
}
}
if( p_module->p_config[i].ppsz_list_text )
{
int j;
p_module->p_config[i].ppsz_list_text =
xmalloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
if( p_module->p_config[i].ppsz_list_text )
{
for( j = 0; j < p_module->p_config[i].i_list; j++ )
LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
p_module->p_config[i].ppsz_list_text[j] = NULL;
}
}
if( p_module->p_config[i].pi_list )
{
p_module->p_config[i].pi_list =
xmalloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
if( p_module->p_config[i].pi_list )
{
for (int j = 0; j < p_module->p_config[i].i_list; j++)
LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
}
}
}
if( p_module->p_config[i].i_action )
{
p_module->p_config[i].ppf_action =
xmalloc( p_module->p_config[i].i_action * sizeof(void *) );
p_module->p_config[i].ppsz_action_text =
xmalloc( p_module->p_config[i].i_action * sizeof(char *) );
for (int j = 0; j < p_module->p_config[i].i_action; j++)
{
p_module->p_config[i].ppf_action[j] = NULL;
LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
}
}
}
return VLC_SUCCESS;
error:
return VLC_EGENERIC;
}
/**
* Loads a plugins cache file.
*
* This function will load the plugin cache if present and valid. This cache
* will in turn be queried by AllocateAllPlugins() to see if it needs to
* actually load the dynamically loadable module.
* This allows us to only fully load plugins when they are actually used.
*/
size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t ***r )
{
char *psz_filename;
FILE *file;
int i_size, i_read;
char p_cachestring[sizeof(CACHE_STRING)];
size_t i_cache;
int32_t i_file_size, i_marker;
assert( dir != NULL );
*r = NULL;
if( asprintf( &psz_filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1 )
return 0;
msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
file = vlc_fopen( psz_filename, "rb" );
if( !file )
{
msg_Warn( p_this, "cannot read %s (%m)",
psz_filename );
free( psz_filename );
return 0;
}
free( psz_filename );
/* Check the file size */
i_read = fread( &i_file_size, 1, sizeof(i_file_size), file );
if( i_read != sizeof(i_file_size) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(too short)" );
fclose( file );
return 0;
}
fseek( file, 0, SEEK_END );
if( ftell( file ) != i_file_size )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted size)" );
fclose( file );
return 0;
}
fseek( file, sizeof(i_file_size), SEEK_SET );
/* Check the file is a plugins cache */
i_size = sizeof(CACHE_STRING) - 1;
i_read = fread( p_cachestring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_cachestring, CACHE_STRING, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#ifdef DISTRO_VERSION
/* Check for distribution specific version */
char p_distrostring[sizeof( DISTRO_VERSION )];
i_size = sizeof( DISTRO_VERSION ) - 1;
i_read = fread( p_distrostring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_distrostring, DISTRO_VERSION, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#endif
/* Check Sub-version number */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
/* Check header marker */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) ||
i_marker != ftell( file ) - (int)sizeof(i_marker) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(file too short)" );
fclose( file );
return 0;
}
module_cache_t **pp_cache = malloc( i_cache * sizeof(*pp_cache) );
if( pp_cache == NULL )
i_cache = 0; /* don't load anything */
#define LOAD_IMMEDIATE(a) \
if( fread( (void *)&a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
#define LOAD_STRING(a) \
{ \
a = NULL; \
if( ( fread( &i_size, sizeof(i_size), 1, file ) != 1 ) \
|| ( i_size > 16384 ) ) \
goto error; \
if( i_size ) { \
char *psz = xmalloc( i_size ); \
if( fread( psz, i_size, 1, file ) != 1 ) { \
free( psz ); \
goto error; \
} \
if( psz[i_size-1] ) { \
free( psz ); \
goto error; \
} \
a = psz; \
} \
}
for( size_t i = 0; i < i_cache; i++ )
{
uint16_t i_size;
int i_submodules;
pp_cache[i] = xmalloc( sizeof(module_cache_t) );
/* Load common info */
LOAD_STRING( pp_cache[i]->path );
LOAD_IMMEDIATE( pp_cache[i]->mtime );
LOAD_IMMEDIATE( pp_cache[i]->size );
pp_cache[i]->p_module = vlc_module_create();
/* Load additional infos */
free( pp_cache[i]->p_module->psz_object_name );
LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
LOAD_STRING( pp_cache[i]->p_module->psz_longname );
LOAD_STRING( pp_cache[i]->p_module->psz_help );
LOAD_IMMEDIATE( pp_cache[i]->p_module->i_shortcuts );
if( pp_cache[i]->p_module->i_shortcuts > MODULE_SHORTCUT_MAX )
goto error;
else if( pp_cache[i]->p_module->i_shortcuts == 0 )
pp_cache[i]->p_module->pp_shortcuts = NULL;
else
{
pp_cache[i]->p_module->pp_shortcuts =
xmalloc( sizeof( char ** ) * pp_cache[i]->p_module->i_shortcuts );
for( unsigned j = 0; j < pp_cache[i]->p_module->i_shortcuts; j++ )
LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] );
}
LOAD_STRING( pp_cache[i]->p_module->psz_capability );
LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
/* Config stuff */
if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
goto error;
LOAD_STRING( pp_cache[i]->p_module->psz_filename );
LOAD_STRING( pp_cache[i]->p_module->domain );
if( pp_cache[i]->p_module->domain != NULL )
vlc_bindtextdomain( pp_cache[i]->p_module->domain );
LOAD_IMMEDIATE( i_submodules );
while( i_submodules-- )
{
module_t *p_module = vlc_submodule_create( pp_cache[i]->p_module );
free( p_module->psz_object_name );
free( p_module->pp_shortcuts );
LOAD_STRING( p_module->psz_object_name );
LOAD_STRING( p_module->psz_shortname );
LOAD_STRING( p_module->psz_longname );
LOAD_STRING( p_module->psz_help );
LOAD_IMMEDIATE( p_module->i_shortcuts );
if( p_module->i_shortcuts > MODULE_SHORTCUT_MAX )
goto error;
else if( p_module->i_shortcuts == 0 )
p_module->pp_shortcuts = NULL;
else
{
p_module->pp_shortcuts = xmalloc( sizeof( char ** ) * p_module->i_shortcuts );
for( unsigned j = 0; j < p_module->i_shortcuts; j++ )
LOAD_STRING( p_module->pp_shortcuts[j] );
}
LOAD_STRING( p_module->psz_capability );
LOAD_IMMEDIATE( p_module->i_score );
LOAD_IMMEDIATE( p_module->b_unloadable );
LOAD_STRING( p_module->domain );
}
}
fclose( file );
*r = pp_cache;
return i_cache;
error:
msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
/* TODO: cleanup */
fclose( file );
return 0;
}
/**
* Loads a plugins cache file.
*
* This function will load the plugin cache if present and valid. This cache
* will in turn be queried by AllocateAllPlugins() to see if it needs to
* actually load the dynamically loadable module.
* This allows us to only fully load plugins when they are actually used.
*/
size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
{
char *psz_filename;
FILE *file;
int i_size, i_read;
char p_cachestring[sizeof(CACHE_STRING)];
int32_t i_marker;
assert( dir != NULL );
*r = NULL;
if( asprintf( &psz_filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1 )
return 0;
msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
file = vlc_fopen( psz_filename, "rb" );
if( !file )
{
msg_Warn( p_this, "cannot read %s: %s", psz_filename,
vlc_strerror_c(errno) );
free( psz_filename );
return 0;
}
free( psz_filename );
/* Check the file is a plugins cache */
i_size = sizeof(CACHE_STRING) - 1;
i_read = fread( p_cachestring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_cachestring, CACHE_STRING, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#ifdef DISTRO_VERSION
/* Check for distribution specific version */
char p_distrostring[sizeof( DISTRO_VERSION )];
i_size = sizeof( DISTRO_VERSION ) - 1;
i_read = fread( p_distrostring, 1, i_size, file );
if( i_read != i_size ||
memcmp( p_distrostring, DISTRO_VERSION, i_size ) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
fclose( file );
return 0;
}
#endif
/* Check sub-version number */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
/* Check header marker */
i_read = fread( &i_marker, 1, sizeof(i_marker), file );
if( i_read != sizeof(i_marker) ||
i_marker != ftell( file ) - (int)sizeof(i_marker) )
{
msg_Warn( p_this, "This doesn't look like a valid plugins cache "
"(corrupted header)" );
fclose( file );
return 0;
}
module_cache_t *cache = NULL;
size_t count = 0;
char *path = NULL;
for (;;)
{
module_t *module = CacheLoadModule (file);
if (module == NULL)
{
if (feof (file))
break;
goto error;
}
struct stat st;
/* Load common info */
LOAD_STRING(path);
if (path == NULL)
goto error;
LOAD_IMMEDIATE(st.st_mtime);
LOAD_IMMEDIATE(st.st_size);
CacheAdd (&cache, &count, path, &st, module);
free (path);
path = NULL;
/* TODO: deal with errors */
}
fclose( file );
*r = cache;
return count;
error:
free( path );
if (ferror (file))
msg_Err(p_this, "plugins cache read error: %s", vlc_strerror_c(errno));
msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
/* TODO: cleanup */
fclose( file );
return 0;
}
static module_t *CacheLoadModule (FILE *file)
{
module_t *module = vlc_module_create (NULL);
if (unlikely(module == NULL))
return NULL;
/* Load additional infos */
LOAD_STRING(module->psz_shortname);
LOAD_STRING(module->psz_longname);
LOAD_STRING(module->psz_help);
LOAD_IMMEDIATE(module->i_shortcuts);
if (module->i_shortcuts > MODULE_SHORTCUT_MAX)
goto error;
else
{
module->pp_shortcuts =
xmalloc (sizeof (*module->pp_shortcuts) * module->i_shortcuts);
for (unsigned j = 0; j < module->i_shortcuts; j++)
LOAD_STRING(module->pp_shortcuts[j]);
}
LOAD_STRING(module->psz_capability);
LOAD_IMMEDIATE(module->i_score);
LOAD_IMMEDIATE(module->b_unloadable);
/* Config stuff */
if (CacheLoadModuleConfig (module, file) != VLC_SUCCESS)
goto error;
LOAD_STRING(module->domain);
if (module->domain != NULL)
vlc_bindtextdomain (module->domain);
uint32_t submodules;
LOAD_IMMEDIATE(submodules);
for (; submodules > 0; submodules--)
{
module_t *submodule = vlc_module_create (module);
free (submodule->pp_shortcuts);
LOAD_STRING(submodule->psz_shortname);
LOAD_STRING(submodule->psz_longname);
LOAD_IMMEDIATE(submodule->i_shortcuts);
if (submodule->i_shortcuts > MODULE_SHORTCUT_MAX)
goto error;
else
{
submodule->pp_shortcuts =
xmalloc (sizeof (*submodule->pp_shortcuts) * submodule->i_shortcuts);
for (unsigned j = 0; j < submodule->i_shortcuts; j++)
LOAD_STRING(submodule->pp_shortcuts[j]);
}
LOAD_STRING(submodule->psz_capability);
LOAD_IMMEDIATE(submodule->i_score);
}
return module;
error:
vlc_module_destroy(module);
return NULL;
}
