static int LSCRIU_load_liblscapi(void)
{
void *lib_handle = NULL;
void *pthread_lib_handle = NULL;
if (s_native)
return 0;
// Numerical signals indicates Apache
int error = 1;
char *last;
if (!(lib_handle = DL_LOAD(last = "liblscapi.so")) /*||
!(pthread_lib_handle = DL_LOAD(last = "libpthread.so"))*/)
fprintf(stderr, "LSCRIU (%d): failed to dlopen %s: %s - ignore CRIU\n",
s_pid, last, dlerror());
else if (!(s_lscapi_dump_me = dlsym(lib_handle, last = "lscapi_dump_me")) ||
!(s_lscapi_prepare_me = dlsym(lib_handle, last = "lscapi_prepare_me")) ||
!(psem_open = dlsym(pthread_lib_handle, last = "sem_open")) ||
!(psem_post = dlsym(pthread_lib_handle, last = "sem_post")) ||
!(psem_close = dlsym(pthread_lib_handle, last = "sem_close")))
fprintf(stderr, "LSCRIU (%d): failed to dlsym %s: %s - ignore CRIU\n",
s_pid, last, dlerror());
else
error = 0;
if (error) {
// close the dll handles so we release the resources
if (lib_handle)
dlclose(lib_handle);
if (pthread_lib_handle)
dlclose(pthread_lib_handle);
return -1;
}
return 0;
}
int zend_load_extension(const char *path)
{
#if ZEND_EXTENSIONS_SUPPORT
DL_HANDLE handle;
handle = DL_LOAD(path);
if (!handle) {
#ifndef ZEND_WIN32
fprintf(stderr, "Failed loading %s: %s\n", path, DL_ERROR());
#else
fprintf(stderr, "Failed loading %s\n", path);
/* See http://support.microsoft.com/kb/190351 */
fflush(stderr);
#endif
return FAILURE;
}
return zend_load_extension_handle(handle, path);
#else
fprintf(stderr, "Extensions are not supported on this platform.\n");
/* See http://support.microsoft.com/kb/190351 */
#ifdef ZEND_WIN32
fflush(stderr);
#endif
return FAILURE;
#endif
}
static UBool bzip2_trydload(void)
{
DL_HANDLE handle;
handle = DL_LOAD("bz2", 1);
if (!handle) {
if (HAVE_DL_ERROR) {
debug("failed loading bzip2: %s", DL_ERROR);
} else {
debug("failed loading bzip2");
}
return FALSE;
}
DL_GET_SYM(handle, DRNS(BZ2_bzerror), "BZ2_bzerror");
DL_GET_SYM(handle, DRNS(BZ2_bzReadOpen), "BZ2_bzReadOpen");
DL_GET_SYM(handle, DRNS(BZ2_bzRead), "BZ2_bzRead");
DL_GET_SYM(handle, DRNS(BZ2_bzReadClose), "BZ2_bzReadClose");
env_register_resource(handle, (func_dtor_t) DL_UNLOAD);
return TRUE;
}
/* {{{ php_load_shlib
*/
PHPAPI void *php_load_shlib(char *path, char **errp)
{
void *handle;
char *err;
handle = DL_LOAD(path);
if (!handle) {
err = GET_DL_ERROR();
#ifdef PHP_WIN32
if (err && (*err)) {
(*errp)=estrdup(err);
LocalFree(err);
} else {
(*errp) = estrdup("<No message>");
}
#else
(*errp) = estrdup(err);
GET_DL_ERROR(); /* free the buffer storing the error */
#endif
}
return handle;
}
/* {{{ php_load_shlib
*/
PHPAPI void *php_load_shlib(char *path, char **errp)
{
void *handle;
char *err;
handle = DL_LOAD(path);
if (!handle) {
err = GET_DL_ERROR();
#ifdef PHP_WIN32
if (err && (*err)) {
size_t i = strlen(err);
(*errp)=estrdup(err);
php_win32_error_msg_free(err);
while (i > 0 && isspace((*errp)[i-1])) { (*errp)[i-1] = '\0'; i--; }
} else {
(*errp) = estrdup("<No message>");
}
#else
(*errp) = estrdup(err);
GET_DL_ERROR(); /* free the buffer storing the error */
#endif
}
return handle;
}
/* {{{ php_load_extension
*/
PHPAPI int php_load_extension(char *filename, int type, int start_now)
{
void *handle;
char *libpath;
zend_module_entry *module_entry;
zend_module_entry *(*get_module)(void);
int error_type;
char *extension_dir;
if (type == MODULE_PERSISTENT) {
extension_dir = INI_STR("extension_dir");
} else {
extension_dir = PG(extension_dir);
}
if (type == MODULE_TEMPORARY) {
error_type = E_WARNING;
} else {
error_type = E_CORE_WARNING;
}
/* Check if passed filename contains directory separators */
if (strchr(filename, '/') != NULL || strchr(filename, DEFAULT_SLASH) != NULL) {
/* Passing modules with full path is not supported for dynamically loaded extensions */
if (type == MODULE_TEMPORARY) {
php_error_docref(NULL, E_WARNING, "Temporary module name should contain only filename");
return FAILURE;
}
libpath = estrdup(filename);
} else if (extension_dir && extension_dir[0]) {
int extension_dir_len = (int)strlen(extension_dir);
if (IS_SLASH(extension_dir[extension_dir_len-1])) {
spprintf(&libpath, 0, "%s%s", extension_dir, filename); /* SAFE */
} else {
spprintf(&libpath, 0, "%s%c%s", extension_dir, DEFAULT_SLASH, filename); /* SAFE */
}
} else {
return FAILURE; /* Not full path given or extension_dir is not set */
}
/* load dynamic symbol */
handle = DL_LOAD(libpath);
if (!handle) {
#if PHP_WIN32
char *err = GET_DL_ERROR();
if (err && (*err != '\0')) {
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, err);
LocalFree(err);
} else {
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, "Unknown reason");
}
#else
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, GET_DL_ERROR());
GET_DL_ERROR(); /* free the buffer storing the error */
#endif
efree(libpath);
return FAILURE;
}
efree(libpath);
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "get_module");
/* Some OS prepend _ to symbol names while their dynamic linker
* does not do that automatically. Thus we check manually for
* _get_module. */
if (!get_module) {
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "_get_module");
}
if (!get_module) {
if (DL_FETCH_SYMBOL(handle, "zend_extension_entry") || DL_FETCH_SYMBOL(handle, "_zend_extension_entry")) {
DL_UNLOAD(handle);
php_error_docref(NULL, error_type, "Invalid library (appears to be a Zend Extension, try loading using zend_extension=%s from php.ini)", filename);
return FAILURE;
}
DL_UNLOAD(handle);
php_error_docref(NULL, error_type, "Invalid library (maybe not a PHP library) '%s'", filename);
return FAILURE;
}
module_entry = get_module();
if (module_entry->zend_api != ZEND_MODULE_API_NO) {
php_error_docref(NULL, error_type,
"%s: Unable to initialize module\n"
"Module compiled with module API=%d\n"
"PHP compiled with module API=%d\n"
"These options need to match\n",
module_entry->name, module_entry->zend_api, ZEND_MODULE_API_NO);
DL_UNLOAD(handle);
return FAILURE;
}
if(strcmp(module_entry->build_id, ZEND_MODULE_BUILD_ID)) {
php_error_docref(NULL, error_type,
"%s: Unable to initialize module\n"
"Module compiled with build ID=%s\n"
"PHP compiled with build ID=%s\n"
"These options need to match\n",
module_entry->name, module_entry->build_id, ZEND_MODULE_BUILD_ID);
DL_UNLOAD(handle);
return FAILURE;
}
module_entry->type = type;
module_entry->module_number = zend_next_free_module();
module_entry->handle = handle;
if ((module_entry = zend_register_module_ex(module_entry)) == NULL) {
DL_UNLOAD(handle);
return FAILURE;
}
if ((type == MODULE_TEMPORARY || start_now) && zend_startup_module_ex(module_entry) == FAILURE) {
DL_UNLOAD(handle);
return FAILURE;
}
if ((type == MODULE_TEMPORARY || start_now) && module_entry->request_startup_func) {
if (module_entry->request_startup_func(type, module_entry->module_number) == FAILURE) {
php_error_docref(NULL, error_type, "Unable to initialize module '%s'", module_entry->name);
DL_UNLOAD(handle);
return FAILURE;
}
}
return SUCCESS;
}
int zend_load_extension(const char *path)
{
#if ZEND_EXTENSIONS_SUPPORT
DL_HANDLE handle;
zend_extension *new_extension;
zend_extension_version_info *extension_version_info;
handle = DL_LOAD(path);
if (!handle) {
#ifndef ZEND_WIN32
fprintf(stderr, "Failed loading %s: %s\n", path, DL_ERROR());
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
#else
fprintf(stderr, "Failed loading %s\n", path);
#endif
return FAILURE;
}
extension_version_info = (zend_extension_version_info *) DL_FETCH_SYMBOL(handle, "extension_version_info");
if (!extension_version_info) {
extension_version_info = (zend_extension_version_info *) DL_FETCH_SYMBOL(handle, "_extension_version_info");
}
new_extension = (zend_extension *) DL_FETCH_SYMBOL(handle, "zend_extension_entry");
if (!new_extension) {
new_extension = (zend_extension *) DL_FETCH_SYMBOL(handle, "_zend_extension_entry");
}
if (!extension_version_info || !new_extension) {
fprintf(stderr, "%s doesn't appear to be a valid Zend extension\n", path);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
DL_UNLOAD(handle);
return FAILURE;
}
/* allow extension to proclaim compatibility with any Zend version */
if (extension_version_info->zend_extension_api_no != ZEND_EXTENSION_API_NO &&(!new_extension->api_no_check || new_extension->api_no_check(ZEND_EXTENSION_API_NO) != SUCCESS)) {
if (extension_version_info->zend_extension_api_no > ZEND_EXTENSION_API_NO) {
fprintf(stderr, "%s requires Zend Engine API version %d.\n"
"The Zend Engine API version %d which is installed, is outdated.\n\n",
new_extension->name,
extension_version_info->zend_extension_api_no,
ZEND_EXTENSION_API_NO);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
DL_UNLOAD(handle);
return FAILURE;
} else if (extension_version_info->zend_extension_api_no < ZEND_EXTENSION_API_NO) {
fprintf(stderr, "%s requires Zend Engine API version %d.\n"
"The Zend Engine API version %d which is installed, is newer.\n"
"Contact %s at %s for a later version of %s.\n\n",
new_extension->name,
extension_version_info->zend_extension_api_no,
ZEND_EXTENSION_API_NO,
new_extension->author,
new_extension->URL,
new_extension->name);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
DL_UNLOAD(handle);
return FAILURE;
}
} else if (strcmp(ZEND_EXTENSION_BUILD_ID, extension_version_info->build_id) &&
(!new_extension->build_id_check || new_extension->build_id_check(ZEND_EXTENSION_BUILD_ID) != SUCCESS)) {
fprintf(stderr, "Cannot load %s - it was built with configuration %s, whereas running engine is %s\n",
new_extension->name, extension_version_info->build_id, ZEND_EXTENSION_BUILD_ID);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
DL_UNLOAD(handle);
return FAILURE;
}
return zend_register_extension(new_extension, handle);
#else
fprintf(stderr, "Extensions are not supported on this platform.\n");
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
fflush(stderr);
#endif
return FAILURE;
#endif
}
/* {{{ php_dl
*/
PHPAPI int php_load_extension(char *filename, int type, int start_now TSRMLS_DC) /* {{{ */
{
void *handle;
char *libpath;
zend_module_entry *module_entry;
zend_module_entry *(*get_module)(void);
int error_type;
char *extension_dir;
if (type == MODULE_PERSISTENT) {
extension_dir = INI_STR("extension_dir");
} else {
extension_dir = PG(extension_dir);
}
if (type == MODULE_TEMPORARY) {
error_type = E_WARNING;
} else {
error_type = E_CORE_WARNING;
}
/* Check if passed filename contains directory separators */
if (strchr(filename, '/') != NULL || strchr(filename, DEFAULT_SLASH) != NULL) {
/* Passing modules with full path is not supported for dynamically loaded extensions */
if (type == MODULE_TEMPORARY) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Temporary module name should contain only filename");
return FAILURE;
}
libpath = estrdup(filename);
} else if (extension_dir && extension_dir[0]) {
int extension_dir_len = strlen(extension_dir);
if (IS_SLASH(extension_dir[extension_dir_len-1])) {
spprintf(&libpath, 0, "%s%s", extension_dir, filename); /* SAFE */
} else {
spprintf(&libpath, 0, "%s%c%s", extension_dir, DEFAULT_SLASH, filename); /* SAFE */
}
} else {
return FAILURE; /* Not full path given or extension_dir is not set */
}
/* load dynamic symbol */
handle = DL_LOAD(libpath);
if (!handle) {
#if PHP_WIN32
char *err = GET_DL_ERROR();
if (err && (*err != "")) {
php_error_docref(NULL TSRMLS_CC, error_type, "Unable to load dynamic library '%s' - %s", libpath, err);
LocalFree(err);
} else {
php_error_docref(NULL TSRMLS_CC, error_type, "Unable to load dynamic library '%s' - %s", libpath, "Unknown reason");
}
#else
php_error_docref(NULL TSRMLS_CC, error_type, "Unable to load dynamic library '%s' - %s", libpath, GET_DL_ERROR());
GET_DL_ERROR(); /* free the buffer storing the error */
#endif
efree(libpath);
return FAILURE;
}
efree(libpath);
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "get_module");
/* Some OS prepend _ to symbol names while their dynamic linker
* does not do that automatically. Thus we check manually for
* _get_module. */
if (!get_module) {
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "_get_module");
}
if (!get_module) {
DL_UNLOAD(handle);
php_error_docref(NULL TSRMLS_CC, error_type, "Invalid library (maybe not a PHP library) '%s'", filename);
return FAILURE;
}
module_entry = get_module();
if (module_entry->zend_api != ZEND_MODULE_API_NO) {
/* Check for pre-4.1.0 module which has a slightly different module_entry structure :( */
struct pre_4_1_0_module_entry {
char *name;
zend_function_entry *functions;
int (*module_startup_func)(INIT_FUNC_ARGS);
int (*module_shutdown_func)(SHUTDOWN_FUNC_ARGS);
int (*request_startup_func)(INIT_FUNC_ARGS);
int (*request_shutdown_func)(SHUTDOWN_FUNC_ARGS);
void (*info_func)(ZEND_MODULE_INFO_FUNC_ARGS);
int (*global_startup_func)(void);
int (*global_shutdown_func)(void);
int globals_id;
int module_started;
unsigned char type;
void *handle;
int module_number;
unsigned char zend_debug;
unsigned char zts;
unsigned int zend_api;
};
const char *name;
int zend_api;
if ((((struct pre_4_1_0_module_entry *)module_entry)->zend_api > 20000000) &&
(((struct pre_4_1_0_module_entry *)module_entry)->zend_api < 20010901)
) {
name = ((struct pre_4_1_0_module_entry *)module_entry)->name;
zend_api = ((struct pre_4_1_0_module_entry *)module_entry)->zend_api;
} else {
name = module_entry->name;
zend_api = module_entry->zend_api;
}
php_error_docref(NULL TSRMLS_CC, error_type,
"%s: Unable to initialize module\n"
"Module compiled with module API=%d\n"
"PHP compiled with module API=%d\n"
"These options need to match\n",
name, zend_api, ZEND_MODULE_API_NO);
DL_UNLOAD(handle);
return FAILURE;
}
if(strcmp(module_entry->build_id, ZEND_MODULE_BUILD_ID)) {
php_error_docref(NULL TSRMLS_CC, error_type,
"%s: Unable to initialize module\n"
"Module compiled with build ID=%s\n"
"PHP compiled with build ID=%s\n"
"These options need to match\n",
module_entry->name, module_entry->build_id, ZEND_MODULE_BUILD_ID);
DL_UNLOAD(handle);
return FAILURE;
}
module_entry->type = type;
module_entry->module_number = zend_next_free_module();
module_entry->handle = handle;
if ((module_entry = zend_register_module_ex(module_entry TSRMLS_CC)) == NULL) {
DL_UNLOAD(handle);
return FAILURE;
}
if ((type == MODULE_TEMPORARY || start_now) && zend_startup_module_ex(module_entry TSRMLS_CC) == FAILURE) {
DL_UNLOAD(handle);
return FAILURE;
}
if ((type == MODULE_TEMPORARY || start_now) && module_entry->request_startup_func) {
if (module_entry->request_startup_func(type, module_entry->module_number TSRMLS_CC) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, error_type, "Unable to initialize module '%s'", module_entry->name);
DL_UNLOAD(handle);
return FAILURE;
}
}
return SUCCESS;
}