- Moved mysqnd to it's own directory: It is sort of an extension itself.

  (Similar to what ext/libxml is..)

1 files changed, 334 insertions, 0 deletions

diff --git a/ext/mysqlnd/mysqlnd_loaddata.c b/ext/mysqlnd/mysqlnd_loaddata.c
new file mode 100644
index 0000000000..ce7a27bcf4
--- /dev/null
+++ b/ext/mysqlnd/mysqlnd_loaddata.c
@@ -0,0 +1,334 @@
+/*
+  +----------------------------------------------------------------------+
+  | PHP Version 6                                                        |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 2006-2007 The PHP Group                                |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 of the PHP license,      |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.php.net/license/3_01.txt                                  |
+  | If you did not receive a copy of the PHP license and are unable to   |
+  | obtain it through the world-wide-web, please send a note to          |
+  | license@php.net so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Authors: Georg Richter <georg@mysql.com>                             |
+  |          Andrey Hristov <andrey@mysql.com>                           |
+  |          Ulf Wendel <uwendel@mysql.com>                              |
+  +----------------------------------------------------------------------+
+*/
+
+#include "php.h"
+#include "php_globals.h"
+#include "mysqlnd.h"
+#include "mysqlnd_wireprotocol.h"
+#include "mysqlnd_priv.h"
+
+enum_func_status mysqlnd_simple_command_handle_response(MYSQLND *conn,
+										enum php_mysql_packet_type ok_packet,
+										zend_bool silent, enum php_mysqlnd_server_command command
+									  	TSRMLS_DC);
+
+
+#define ALLOC_CALLBACK_ARGS(a, b, c)\
+if (c) {\
+	a = (zval ***)safe_emalloc(c, sizeof(zval **), 0);\
+	for (i = b; i < c; i++) {\
+		a[i] = emalloc(sizeof(zval *));\
+		MAKE_STD_ZVAL(*a[i]);\
+	}\
+}
+
+#define FREE_CALLBACK_ARGS(a, b, c)\
+if (a) {\
+	for (i=b; i < c; i++) {\
+		zval_ptr_dtor(a[i]);\
+		efree(a[i]);\
+	}\
+	efree(a);\
+}
+
+/* {{{ mysqlnd_local_infile_init */
+static
+int mysqlnd_local_infile_init(void **ptr, char *filename, void **userdata TSRMLS_DC)
+{
+	MYSQLND_INFILE_INFO		*info;
+	php_stream_context 		*context = NULL;
+
+	*ptr= info= ((MYSQLND_INFILE_INFO *)ecalloc(1, sizeof(MYSQLND_INFILE_INFO)));
+
+	/* check open_basedir */
+	if (PG(open_basedir)) {
+		if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC) == -1) {
+			strcpy(info->error_msg, "open_basedir restriction in effect. Unable to open file");
+			info->error_no = CR_UNKNOWN_ERROR;
+			return 1;
+		}
+	}
+
+	info->filename = filename;
+	info->fd = php_stream_open_wrapper_ex((char *)filename, "r", 0, NULL, context);
+
+	if (info->fd == NULL) {
+		snprintf((char *)info->error_msg, sizeof(info->error_msg), "Can't find file '%-.64s'.", filename);
+		info->error_no = MYSQLND_EE_FILENOTFOUND; 
+		return 1;
+	}
+
+	return 0;
+}
+/* }}} */
+
+
+/* {{{ mysqlnd_local_infile_read */
+static
+int mysqlnd_local_infile_read(void *ptr, char *buf, uint buf_len TSRMLS_DC)
+{
+	MYSQLND_INFILE_INFO	*info = (MYSQLND_INFILE_INFO *)ptr;
+	int			count;
+
+	/* default processing */
+	if (!info->callback) {
+		count = (int)php_stream_read(info->fd, buf, buf_len);
+
+		if (count < 0) {
+			strcpy(info->error_msg, "Error reading file");
+			info->error_no = MYSQLND_EE_READ;
+		}
+
+		return count;
+	} else {
+		zval	***callback_args;
+		zval	*retval;
+		zval	*fp;
+		int		argc = 4;
+		int		i;
+		long	rc;
+
+		ALLOC_CALLBACK_ARGS(callback_args, 1, argc);
+	
+		/* set parameters: filepointer, buffer, buffer_len, errormsg */
+
+		MAKE_STD_ZVAL(fp);
+		php_stream_to_zval(info->fd, fp);
+		callback_args[0] = &fp;
+		ZVAL_STRING(*callback_args[1], "", 1);	
+		ZVAL_LONG(*callback_args[2], buf_len);	
+		ZVAL_STRING(*callback_args[3], "", 1);	
+	
+		if (call_user_function_ex(EG(function_table), 
+						NULL,
+						info->callback,
+						&retval,
+						argc,	 	
+						callback_args,
+						0,
+						NULL TSRMLS_CC) == SUCCESS) {
+
+			rc = Z_LVAL_P(retval);
+			zval_ptr_dtor(&retval);
+
+			if (rc > 0) {
+				const char * msg = NULL;
+				if (rc >= 0 && rc != Z_STRLEN_P(*callback_args[1])) {
+					msg = "Mismatch between the return value of the callback and the content "
+						  "length of the buffer.";
+					php_error_docref(NULL TSRMLS_CC, E_WARNING, msg);
+					rc = -1;
+				} else if (Z_STRLEN_P(*callback_args[1]) > buf_len) {
+					/* check buffer overflow */
+					msg = "Too much data returned";
+					rc = -1;
+				} else {
+					memcpy(buf, Z_STRVAL_P(*callback_args[1]), MIN(rc, Z_STRLEN_P(*callback_args[1])));
+				}
+				if (rc == -1) {
+					php_error_docref(NULL TSRMLS_CC, E_WARNING, msg);
+					strcpy(info->error_msg, msg);
+					info->error_no = MYSQLND_EE_READ;
+				}
+			} else if (rc < 0) {
+				strncpy(info->error_msg, Z_STRVAL_P(*callback_args[3]), MYSQLND_ERRMSG_SIZE); 
+				info->error_no = MYSQLND_EE_READ;
+			}
+		} else {
+			strcpy(info->error_msg, "Can't execute load data local init callback function");
+			info->error_no = MYSQLND_EE_READ;
+			rc = -1;
+		}
+
+		efree(fp);	
+		FREE_CALLBACK_ARGS(callback_args, 1, argc);
+		return rc;
+
+	}
+}
+/* }}} */
+
+
+/* {{{ mysqlnd_local_infile_error */
+static
+int	mysqlnd_local_infile_error(void *ptr, char *error_buf, uint error_buf_len TSRMLS_DC)
+{
+	MYSQLND_INFILE_INFO	*info = (MYSQLND_INFILE_INFO *)ptr;
+
+	if (info) {
+		strncpy(error_buf, info->error_msg, error_buf_len);
+
+		return info->error_no;
+	}
+
+	strncpy(error_buf, "Unknown error", error_buf_len);
+	return CR_UNKNOWN_ERROR;
+}
+/* }}} */
+
+
+/* {{{ mysqlnd_local_infile_end */
+static
+void mysqlnd_local_infile_end(void *ptr TSRMLS_DC)
+{
+	MYSQLND_INFILE_INFO	*info = (MYSQLND_INFILE_INFO *)ptr;
+
+	if (info) {
+		/* php_stream_close segfaults on NULL */
+		if (info->fd) {
+			php_stream_close(info->fd);
+		}
+		efree(info);
+	}
+}
+/* }}} */
+
+
+/* {{{ mysqlnd_local_infile_default */
+PHPAPI void mysqlnd_local_infile_default(MYSQLND *conn, zend_bool free_callback)
+{
+	conn->infile.local_infile_init = mysqlnd_local_infile_init;
+	conn->infile.local_infile_read = mysqlnd_local_infile_read;
+	conn->infile.local_infile_error = mysqlnd_local_infile_error;
+	conn->infile.local_infile_end = mysqlnd_local_infile_end;
+	conn->infile.userdata = NULL;
+	if (free_callback == TRUE && conn->infile.callback) {
+		zval_ptr_dtor(&conn->infile.callback);
+		conn->infile.callback = NULL;	
+	}
+}
+/* }}} */
+
+/* {{{ mysqlnd_set_local_infile_handler */
+PHPAPI void mysqlnd_set_local_infile_handler(MYSQLND * const conn, const char * const funcname)
+{
+	if (!conn->infile.callback) {
+		MAKE_STD_ZVAL(conn->infile.callback);
+	} else {
+		zval_dtor(conn->infile.callback);
+	}
+	ZVAL_STRING(conn->infile.callback, (char*) funcname, 1);
+}
+/* }}} */
+
+
+static const char *lost_conn = "Lost connection to MySQL server during LOAD DATA of local file";
+
+
+/* {{{ mysqlnd_handle_local_infile */
+enum_func_status
+mysqlnd_handle_local_infile(MYSQLND *conn, const char *filename, zend_bool *is_warning TSRMLS_DC)
+{
+	char				*buf;
+	char				empty_packet[MYSQLND_HEADER_SIZE];
+	enum_func_status	result = FAIL;
+	uint				buflen = 4096;
+	void				*info = NULL;
+	int					bufsize;
+	size_t				ret;
+	MYSQLND_INFILE		infile;
+
+	if (!(conn->options.flags & CLIENT_LOCAL_FILES)) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "LOAD DATA LOCAL INFILE forbidden");
+		/* write empty packet to server */
+		ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC);
+		*is_warning = TRUE;
+		goto infile_error;
+	}
+
+	/* check if we have valid functions */
+	if (!conn->infile.local_infile_init || !conn->infile.local_infile_read ||
+		!conn->infile.local_infile_error || !conn->infile.local_infile_end) {
+		mysqlnd_local_infile_default(conn, FALSE);
+	}
+
+	infile = conn->infile;
+	/* allocate buffer for reading data */
+	buf = (char *)ecalloc(1, buflen);
+	
+	*is_warning = FALSE;
+
+	/* init handler: allocate read buffer and open file */
+	if (infile.local_infile_init(&info, (char *)filename, conn->infile.userdata TSRMLS_CC)) {
+		*is_warning = TRUE;
+		/* error occured */
+		strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
+		conn->error_info.error_no =
+				infile.local_infile_error(info, conn->error_info.error,
+										  sizeof(conn->error_info.error) TSRMLS_CC);
+		/* write empty packet to server */
+		ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC);
+		goto infile_error;
+	}
+
+	/* pass callback handler */
+	if (infile.callback) {
+		MYSQLND_INFILE_INFO	*ptr = (MYSQLND_INFILE_INFO *)info;
+		ptr->callback = infile.callback;
+	}
+		
+
+	/* read data */
+	while ((bufsize = infile.local_infile_read (info, buf + MYSQLND_HEADER_SIZE,
+												buflen - MYSQLND_HEADER_SIZE TSRMLS_CC)) > 0) {
+		if ((ret = mysqlnd_stream_write_w_header(conn, buf, bufsize TSRMLS_CC)) < 0) {
+			SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
+			goto infile_error;
+		}
+	}
+
+	/* send empty packet for eof */
+	if ((ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC)) < 0) {
+		SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
+		goto infile_error;
+	}
+
+	/* error during read occured */
+	if (bufsize < 0) {
+		*is_warning = TRUE;
+		strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
+		conn->error_info.error_no = infile.local_infile_error(info, conn->error_info.error,
+															 sizeof(conn->error_info.error) TSRMLS_CC);
+		goto infile_error;
+	}
+
+	result = PASS;
+
+infile_error:
+	/* get response from server and update upsert values */
+	if (FAIL == mysqlnd_simple_command_handle_response(conn, PROT_OK_PACKET, FALSE, COM_QUERY TSRMLS_CC)) {
+		result = FAIL;
+		goto infile_error;
+	}
+
+	(*conn->infile.local_infile_end)(info TSRMLS_CC);
+	efree(buf);
+	return result;
+}
+/* }}} */
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */