mirror of
https://github.com/php/php-src.git
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04d9bbe65e
executed)
265 lines
7.8 KiB
C
265 lines
7.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 6 |
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+----------------------------------------------------------------------+
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| Copyright (c) 2006-2008 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Georg Richter <georg@mysql.com> |
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| Andrey Hristov <andrey@mysql.com> |
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| Ulf Wendel <uwendel@mysql.com> |
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+----------------------------------------------------------------------+
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*/
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#include "php.h"
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#include "php_globals.h"
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#include "mysqlnd.h"
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#include "mysqlnd_wireprotocol.h"
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#include "mysqlnd_priv.h"
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#include "mysqlnd_debug.h"
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enum_func_status mysqlnd_simple_command_handle_response(MYSQLND *conn,
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enum php_mysql_packet_type ok_packet,
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zend_bool silent, enum php_mysqlnd_server_command command,
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zend_bool ignore_upsert_status
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TSRMLS_DC);
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#define ALLOC_CALLBACK_ARGS(a, b, c)\
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if (c) {\
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a = (zval ***)safe_emalloc(c, sizeof(zval **), 0);\
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for (i = b; i < c; i++) {\
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a[i] = mnd_emalloc(sizeof(zval *));\
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MAKE_STD_ZVAL(*a[i]);\
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}\
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}
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#define FREE_CALLBACK_ARGS(a, b, c)\
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if (a) {\
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for (i=b; i < c; i++) {\
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zval_ptr_dtor(a[i]);\
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mnd_efree(a[i]);\
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}\
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mnd_efree(a);\
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}
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/* {{{ mysqlnd_local_infile_init */
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static
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int mysqlnd_local_infile_init(void **ptr, char *filename, void **userdata TSRMLS_DC)
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{
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MYSQLND_INFILE_INFO *info;
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php_stream_context *context = NULL;
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DBG_ENTER("mysqlnd_local_infile_init");
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*ptr = info = ((MYSQLND_INFILE_INFO *)mnd_ecalloc(1, sizeof(MYSQLND_INFILE_INFO)));
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/* check open_basedir */
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if (PG(open_basedir)) {
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if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC) == -1) {
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strcpy(info->error_msg, "open_basedir restriction in effect. Unable to open file");
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info->error_no = CR_UNKNOWN_ERROR;
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DBG_RETURN(1);
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}
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}
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info->filename = filename;
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info->fd = php_stream_open_wrapper_ex((char *)filename, "r", 0, NULL, context);
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if (info->fd == NULL) {
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snprintf((char *)info->error_msg, sizeof(info->error_msg), "Can't find file '%-.64s'.", filename);
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info->error_no = MYSQLND_EE_FILENOTFOUND;
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DBG_RETURN(1);
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}
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DBG_RETURN(0);
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}
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/* }}} */
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/* {{{ mysqlnd_local_infile_read */
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static
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int mysqlnd_local_infile_read(void *ptr, char *buf, uint buf_len TSRMLS_DC)
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{
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MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
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int count;
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DBG_ENTER("mysqlnd_local_infile_read");
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count = (int)php_stream_read(info->fd, buf, buf_len);
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if (count < 0) {
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strcpy(info->error_msg, "Error reading file");
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info->error_no = CR_UNKNOWN_ERROR;
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}
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DBG_RETURN(count);
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}
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/* }}} */
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/* {{{ mysqlnd_local_infile_error */
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static
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int mysqlnd_local_infile_error(void *ptr, char *error_buf, uint error_buf_len TSRMLS_DC)
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{
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MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
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DBG_ENTER("mysqlnd_local_infile_error");
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if (info) {
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strlcpy(error_buf, info->error_msg, error_buf_len);
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DBG_INF_FMT("have info, %d", info->error_no);
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DBG_RETURN(info->error_no);
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}
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strlcpy(error_buf, "Unknown error", error_buf_len);
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DBG_INF_FMT("no info, %d", CR_UNKNOWN_ERROR);
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DBG_RETURN(CR_UNKNOWN_ERROR);
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}
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/* }}} */
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/* {{{ mysqlnd_local_infile_end */
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static
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void mysqlnd_local_infile_end(void *ptr TSRMLS_DC)
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{
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MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
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if (info) {
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/* php_stream_close segfaults on NULL */
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if (info->fd) {
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php_stream_close(info->fd);
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info->fd = NULL;
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}
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mnd_efree(info);
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}
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}
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/* }}} */
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/* {{{ mysqlnd_local_infile_default */
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PHPAPI void mysqlnd_local_infile_default(MYSQLND *conn)
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{
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conn->infile.local_infile_init = mysqlnd_local_infile_init;
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conn->infile.local_infile_read = mysqlnd_local_infile_read;
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conn->infile.local_infile_error = mysqlnd_local_infile_error;
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conn->infile.local_infile_end = mysqlnd_local_infile_end;
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}
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/* }}} */
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/* {{{ mysqlnd_set_local_infile_handler */
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PHPAPI void mysqlnd_set_local_infile_handler(MYSQLND * const conn, const char * const funcname)
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{
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if (!conn->infile.callback) {
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MAKE_STD_ZVAL(conn->infile.callback);
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} else {
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zval_dtor(conn->infile.callback);
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}
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ZVAL_STRING(conn->infile.callback, (char*) funcname, 1);
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}
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/* }}} */
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static const char *lost_conn = "Lost connection to MySQL server during LOAD DATA of local file";
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/* {{{ mysqlnd_handle_local_infile */
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enum_func_status
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mysqlnd_handle_local_infile(MYSQLND *conn, const char *filename, zend_bool *is_warning TSRMLS_DC)
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{
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char *buf;
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char empty_packet[MYSQLND_HEADER_SIZE];
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enum_func_status result = FAIL;
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uint buflen = 4096;
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void *info = NULL;
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int bufsize;
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size_t ret;
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MYSQLND_INFILE infile;
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DBG_ENTER("mysqlnd_handle_local_infile");
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if (!(conn->options.flags & CLIENT_LOCAL_FILES)) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "LOAD DATA LOCAL INFILE forbidden");
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/* write empty packet to server */
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ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC);
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*is_warning = TRUE;
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goto infile_error;
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}
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infile = conn->infile;
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/* allocate buffer for reading data */
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buf = (char *)mnd_ecalloc(1, buflen);
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*is_warning = FALSE;
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/* init handler: allocate read buffer and open file */
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if (infile.local_infile_init(&info, (char *)filename, conn->infile.userdata TSRMLS_CC)) {
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*is_warning = TRUE;
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/* error occured */
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strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
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conn->error_info.error_no =
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infile.local_infile_error(info, conn->error_info.error,
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sizeof(conn->error_info.error) TSRMLS_CC);
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/* write empty packet to server */
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ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC);
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goto infile_error;
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}
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/* read data */
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while ((bufsize = infile.local_infile_read (info, buf + MYSQLND_HEADER_SIZE,
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buflen - MYSQLND_HEADER_SIZE TSRMLS_CC)) > 0) {
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if ((ret = mysqlnd_stream_write_w_header(conn, buf, bufsize TSRMLS_CC)) < 0) {
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DBG_ERR_FMT("Error during read : %d %s %s", CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
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SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
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goto infile_error;
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}
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}
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/* send empty packet for eof */
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if ((ret = mysqlnd_stream_write_w_header(conn, empty_packet, 0 TSRMLS_CC)) < 0) {
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SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
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goto infile_error;
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}
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/* error during read occured */
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if (bufsize < 0) {
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*is_warning = TRUE;
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DBG_ERR_FMT("Bufsize < 0, warning, %d %s %s", CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
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strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
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conn->error_info.error_no = infile.local_infile_error(info, conn->error_info.error,
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sizeof(conn->error_info.error) TSRMLS_CC);
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goto infile_error;
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}
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result = PASS;
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infile_error:
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/* get response from server and update upsert values */
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if (FAIL == mysqlnd_simple_command_handle_response(conn, PROT_OK_PACKET, FALSE, COM_QUERY, FALSE TSRMLS_CC)) {
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result = FAIL;
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goto infile_error;
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}
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(*conn->infile.local_infile_end)(info TSRMLS_CC);
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mnd_efree(buf);
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DBG_INF_FMT("%s", result == PASS? "PASS":"FAIL");
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DBG_RETURN(result);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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