diff options
Diffstat (limited to 'ext/pdo_sqlite/sqlite/src/loadext.c')
| -rw-r--r-- | ext/pdo_sqlite/sqlite/src/loadext.c | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/ext/pdo_sqlite/sqlite/src/loadext.c b/ext/pdo_sqlite/sqlite/src/loadext.c deleted file mode 100644 index 60ec053cfb..0000000000 --- a/ext/pdo_sqlite/sqlite/src/loadext.c +++ /dev/null @@ -1,355 +0,0 @@ -/* -** 2006 June 7 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** This file contains code used to dynamically load extensions into -** the SQLite library. -*/ -#ifndef SQLITE_OMIT_LOAD_EXTENSION - -#define SQLITE_CORE 1 /* Disable the API redefinition in sqlite3ext.h */ -#include "sqlite3ext.h" -#include "sqliteInt.h" -#include <string.h> -#include <ctype.h> - -/* -** Some API routines are omitted when various features are -** excluded from a build of SQLite. Substitute a NULL pointer -** for any missing APIs. -*/ -#ifndef SQLITE_ENABLE_COLUMN_METADATA -# define sqlite3_column_database_name 0 -# define sqlite3_column_database_name16 0 -# define sqlite3_column_table_name 0 -# define sqlite3_column_table_name16 0 -# define sqlite3_column_origin_name 0 -# define sqlite3_column_origin_name16 0 -# define sqlite3_table_column_metadata 0 -#endif - -#ifdef SQLITE_OMIT_AUTHORIZATION -# define sqlite3_set_authorizer 0 -#endif - -#ifdef SQLITE_OMIT_UTF16 -# define sqlite3_bind_text16 0 -# define sqlite3_collation_needed16 0 -# define sqlite3_column_decltype16 0 -# define sqlite3_column_name16 0 -# define sqlite3_column_text16 0 -# define sqlite3_complete16 0 -# define sqlite3_create_collation16 0 -# define sqlite3_create_function16 0 -# define sqlite3_errmsg16 0 -# define sqlite3_open16 0 -# define sqlite3_prepare16 0 -# define sqlite3_result_error16 0 -# define sqlite3_result_text16 0 -# define sqlite3_result_text16be 0 -# define sqlite3_result_text16le 0 -# define sqlite3_value_text16 0 -# define sqlite3_value_text16be 0 -# define sqlite3_value_text16le 0 -#endif - -#ifdef SQLITE_OMIT_COMPLETE -# define sqlite3_complete 0 -# define sqlite3_complete16 0 -#endif - -#ifdef SQLITE_OMIT_PROGRESS_CALLBACK -# define sqlite3_progress_handler 0 -#endif - -#ifdef SQLITE_OMIT_VIRTUALTABLE -# define sqlite3_create_module 0 -# define sqlite3_declare_vtab 0 -#endif - -/* -** The following structure contains pointers to all SQLite API routines. -** A pointer to this structure is passed into extensions when they are -** loaded so that the extension can make calls back into the SQLite -** library. -** -** When adding new APIs, add them to the bottom of this structure -** in order to preserve backwards compatibility. -** -** Extensions that use newer APIs should first call the -** sqlite3_libversion_number() to make sure that the API they -** intend to use is supported by the library. Extensions should -** also check to make sure that the pointer to the function is -** not NULL before calling it. -*/ -const sqlite3_api_routines sqlite3_api = { - sqlite3_aggregate_context, - sqlite3_aggregate_count, - sqlite3_bind_blob, - sqlite3_bind_double, - sqlite3_bind_int, - sqlite3_bind_int64, - sqlite3_bind_null, - sqlite3_bind_parameter_count, - sqlite3_bind_parameter_index, - sqlite3_bind_parameter_name, - sqlite3_bind_text, - sqlite3_bind_text16, - sqlite3_bind_value, - sqlite3_busy_handler, - sqlite3_busy_timeout, - sqlite3_changes, - sqlite3_close, - sqlite3_collation_needed, - sqlite3_collation_needed16, - sqlite3_column_blob, - sqlite3_column_bytes, - sqlite3_column_bytes16, - sqlite3_column_count, - sqlite3_column_database_name, - sqlite3_column_database_name16, - sqlite3_column_decltype, - sqlite3_column_decltype16, - sqlite3_column_double, - sqlite3_column_int, - sqlite3_column_int64, - sqlite3_column_name, - sqlite3_column_name16, - sqlite3_column_origin_name, - sqlite3_column_origin_name16, - sqlite3_column_table_name, - sqlite3_column_table_name16, - sqlite3_column_text, - sqlite3_column_text16, - sqlite3_column_type, - sqlite3_column_value, - sqlite3_commit_hook, - sqlite3_complete, - sqlite3_complete16, - sqlite3_create_collation, - sqlite3_create_collation16, - sqlite3_create_function, - sqlite3_create_function16, - sqlite3_create_module, - sqlite3_data_count, - sqlite3_db_handle, - sqlite3_declare_vtab, - sqlite3_enable_shared_cache, - sqlite3_errcode, - sqlite3_errmsg, - sqlite3_errmsg16, - sqlite3_exec, - sqlite3_expired, - sqlite3_finalize, - sqlite3_free, - sqlite3_free_table, - sqlite3_get_autocommit, - sqlite3_get_auxdata, - sqlite3_get_table, - sqlite3_global_recover, - sqlite3_interrupt, - sqlite3_last_insert_rowid, - sqlite3_libversion, - sqlite3_libversion_number, - sqlite3_malloc, - sqlite3_mprintf, - sqlite3_open, - sqlite3_open16, - sqlite3_prepare, - sqlite3_prepare16, - sqlite3_profile, - sqlite3_progress_handler, - sqlite3_realloc, - sqlite3_reset, - sqlite3_result_blob, - sqlite3_result_double, - sqlite3_result_error, - sqlite3_result_error16, - sqlite3_result_int, - sqlite3_result_int64, - sqlite3_result_null, - sqlite3_result_text, - sqlite3_result_text16, - sqlite3_result_text16be, - sqlite3_result_text16le, - sqlite3_result_value, - sqlite3_rollback_hook, - sqlite3_set_authorizer, - sqlite3_set_auxdata, - sqlite3_snprintf, - sqlite3_step, - sqlite3_table_column_metadata, - sqlite3_thread_cleanup, - sqlite3_total_changes, - sqlite3_trace, - sqlite3_transfer_bindings, - sqlite3_update_hook, - sqlite3_user_data, - sqlite3_value_blob, - sqlite3_value_bytes, - sqlite3_value_bytes16, - sqlite3_value_double, - sqlite3_value_int, - sqlite3_value_int64, - sqlite3_value_numeric_type, - sqlite3_value_text, - sqlite3_value_text16, - sqlite3_value_text16be, - sqlite3_value_text16le, - sqlite3_value_type, - sqlite3_vmprintf, - /* - ** The original API set ends here. All extensions can call any - ** of the APIs above provided that the pointer is not NULL. But - ** before calling APIs that follow, extension should check the - ** sqlite3_libversion_number() to make sure they are dealing with - ** a library that is new enough to support that API. - ************************************************************************* - */ -}; - -/* -** The windows implementation of shared-library loaders -*/ -#if defined(_WIN32) || defined(WIN32) || defined(__MINGW32__) || defined(__BORLANDC__) -# include <windows.h> -# define SQLITE_LIBRARY_TYPE HANDLE -# define SQLITE_OPEN_LIBRARY(A) LoadLibrary(A) -# define SQLITE_FIND_SYMBOL(A,B) GetProcAddress(A,B) -# define SQLITE_CLOSE_LIBRARY(A) FreeLibrary(A) -#endif /* windows */ - -/* -** The unix implementation of shared-library loaders -*/ -#if defined(HAVE_DLOPEN) && !defined(SQLITE_LIBRARY_TYPE) -# include <dlfcn.h> -# define SQLITE_LIBRARY_TYPE void* -# define SQLITE_OPEN_LIBRARY(A) dlopen(A, RTLD_NOW | RTLD_GLOBAL) -# define SQLITE_FIND_SYMBOL(A,B) dlsym(A,B) -# define SQLITE_CLOSE_LIBRARY(A) dlclose(A) -#endif - -/* -** Attempt to load an SQLite extension library contained in the file -** zFile. The entry point is zProc. zProc may be 0 in which case a -** default entry point name (sqlite3_extension_init) is used. Use -** of the default name is recommended. -** -** Return SQLITE_OK on success and SQLITE_ERROR if something goes wrong. -** -** If an error occurs and pzErrMsg is not 0, then fill *pzErrMsg with -** error message text. The calling function should free this memory -** by calling sqlite3_free(). -*/ -int sqlite3_load_extension( - sqlite3 *db, /* Load the extension into this database connection */ - const char *zFile, /* Name of the shared library containing extension */ - const char *zProc, /* Entry point. Use "sqlite3_extension_init" if 0 */ - char **pzErrMsg /* Put error message here if not 0 */ -){ -#ifdef SQLITE_LIBRARY_TYPE - SQLITE_LIBRARY_TYPE handle; - int (*xInit)(sqlite3*,char**,const sqlite3_api_routines*); - char *zErrmsg = 0; - SQLITE_LIBRARY_TYPE *aHandle; - - /* Ticket #1863. To avoid a creating security problems for older - ** applications that relink against newer versions of SQLite, the - ** ability to run load_extension is turned off by default. One - ** must call sqlite3_enable_load_extension() to turn on extension - ** loading. Otherwise you get the following error. - */ - if( (db->flags & SQLITE_LoadExtension)==0 ){ - if( pzErrMsg ){ - *pzErrMsg = sqlite3_mprintf("not authorized"); - } - return SQLITE_ERROR; - } - - if( zProc==0 ){ - zProc = "sqlite3_extension_init"; - } - - handle = SQLITE_OPEN_LIBRARY(zFile); - if( handle==0 ){ - if( pzErrMsg ){ - *pzErrMsg = sqlite3_mprintf("unable to open shared library [%s]", zFile); - } - return SQLITE_ERROR; - } - xInit = (int(*)(sqlite3*,char**,const sqlite3_api_routines*)) - SQLITE_FIND_SYMBOL(handle, zProc); - if( xInit==0 ){ - if( pzErrMsg ){ - *pzErrMsg = sqlite3_mprintf("no entry point [%s] in shared library [%s]", - zProc, zFile); - } - SQLITE_CLOSE_LIBRARY(handle); - return SQLITE_ERROR; - }else if( xInit(db, &zErrmsg, &sqlite3_api) ){ - if( pzErrMsg ){ - *pzErrMsg = sqlite3_mprintf("error during initialization: %s", zErrmsg); - } - sqlite3_free(zErrmsg); - SQLITE_CLOSE_LIBRARY(handle); - return SQLITE_ERROR; - } - - /* Append the new shared library handle to the db->aExtension array. */ - db->nExtension++; - aHandle = sqliteMalloc(sizeof(handle)*db->nExtension); - if( aHandle==0 ){ - return SQLITE_NOMEM; - } - if( db->nExtension>0 ){ - memcpy(aHandle, db->aExtension, sizeof(handle)*(db->nExtension-1)); - } - sqliteFree(db->aExtension); - db->aExtension = aHandle; - - ((SQLITE_LIBRARY_TYPE*)db->aExtension)[db->nExtension-1] = handle; - return SQLITE_OK; -#else - if( pzErrMsg ){ - *pzErrMsg = sqlite3_mprintf("extension loading is disabled"); - } - return SQLITE_ERROR; -#endif -} - -/* -** Call this routine when the database connection is closing in order -** to clean up loaded extensions -*/ -void sqlite3CloseExtensions(sqlite3 *db){ -#ifdef SQLITE_LIBRARY_TYPE - int i; - for(i=0; i<db->nExtension; i++){ - SQLITE_CLOSE_LIBRARY(((SQLITE_LIBRARY_TYPE*)db->aExtension)[i]); - } - sqliteFree(db->aExtension); -#endif -} - -/* -** Enable or disable extension loading. Extension loading is disabled by -** default so as not to open security holes in older applications. -*/ -int sqlite3_enable_load_extension(sqlite3 *db, int onoff){ - if( onoff ){ - db->flags |= SQLITE_LoadExtension; - }else{ - db->flags &= ~SQLITE_LoadExtension; - } - return SQLITE_OK; -} - -#endif /* SQLITE_OMIT_LOAD_EXTENSION */ |