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php-src/ext/mssql/php_mssql.c
Zeev Suraski 66f5e50050 More cleanup...
1999-12-17 21:13:15 +00:00

1422 lines
37 KiB
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/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_0.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: Frank M. Kromann <fmk@businesnet.dk> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#if COMPILE_DL
#include "dl/phpdl.h"
#define HAVE_MSSQL 1
#endif
#include "php.h"
#include "php_globals.h"
#include "ext/standard/php_standard.h"
#include "php_mssql.h"
#include "php_ini.h"
#if HAVE_MSSQL
#define SAFE_STRING(s) ((s)?(s):"")
static void php_mssql_get_column_content_with_type(mssql_link *mssql_ptr,int offset,pval *result, int column_type);
static void php_mssql_get_column_content_without_type(mssql_link *mssql_ptr,int offset,pval *result, int column_type);
function_entry mssql_functions[] = {
PHP_FE(mssql_connect, NULL)
PHP_FE(mssql_pconnect, NULL)
PHP_FE(mssql_close, NULL)
PHP_FE(mssql_select_db, NULL)
PHP_FE(mssql_query, NULL)
PHP_FE(mssql_free_result, NULL)
PHP_FE(mssql_get_last_message, NULL)
PHP_FE(mssql_num_rows, NULL)
PHP_FE(mssql_num_fields, NULL)
PHP_FE(mssql_fetch_field, NULL)
PHP_FE(mssql_fetch_row, NULL)
PHP_FE(mssql_fetch_array, NULL)
PHP_FE(mssql_fetch_object, NULL)
PHP_FE(mssql_field_length, NULL)
PHP_FE(mssql_field_name, NULL)
PHP_FE(mssql_field_type, NULL)
PHP_FE(mssql_data_seek, NULL)
PHP_FE(mssql_field_seek, NULL)
PHP_FE(mssql_result, NULL)
PHP_FE(mssql_min_error_severity, NULL)
PHP_FE(mssql_min_message_severity, NULL)
{NULL, NULL, NULL}
};
zend_module_entry mssql_module_entry = {
"Microsoft SQL Server",
mssql_functions,
PHP_MINIT(mssql),
PHP_MSHUTDOWN(mssql),
PHP_RINIT(mssql),
PHP_RSHUTDOWN(mssql),
PHP_MINFO(mssql),
STANDARD_MODULE_PROPERTIES
};
#ifdef ZTS
int mssql_globals_id;
#else
ZEND_API php_mssql_globals mssql_globals;
#endif
#ifdef COMPILE_DL
DLEXPORT zend_module_entry *get_module(void) { return &mssql_module_entry; };
#endif
#define CHECK_LINK(link) { if (link==-1) { php_error(E_WARNING,"MS SQL: A link to the server could not be established"); RETURN_FALSE; } }
static PHP_INI_DISP(display_link_numbers)
{
char *value;
if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
value = ini_entry->orig_value;
} else if (ini_entry->value) {
value = ini_entry->value;
} else {
value = NULL;
}
if (value) {
if (atoi(value)==-1) {
PUTS("Unlimited");
} else {
php_printf("%s", value);
}
}
}
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("mssql.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateBool, allow_persistent, php_mssql_globals, mssql_globals)
STD_PHP_INI_ENTRY_EX("mssql.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_persistent, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.max_links", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_links, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.min_error_severity", "10", PHP_INI_ALL, OnUpdateInt, cfg_min_error_severity, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.min_message_severity", "10", PHP_INI_ALL, OnUpdateInt, cfg_min_message_severity, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.compatability_mode", "0", PHP_INI_ALL, OnUpdateInt, compatability_mode, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.connect_timeout", "5", PHP_INI_ALL, OnUpdateInt, connect_timeout, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.textsize", "-1", PHP_INI_ALL, OnUpdateInt, textsize, php_mssql_globals, mssql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mssql.textlimit", "-1", PHP_INI_ALL, OnUpdateInt, textlimit, php_mssql_globals, mssql_globals, display_link_numbers)
PHP_INI_END()
/* error handler */
static int php_mssql_error_handler(DBPROCESS *dbproc, int severity, int dberr, int oserr, char *dberrstr, char *oserrstr)
{
MSSQLLS_FETCH();
if (severity >= MS_SQL_G(min_error_severity)) {
php_error(E_WARNING,"MS SQL error: %s (severity %d)", dberrstr, severity);
}
return INT_CANCEL;
}
/* message handler */
static int php_mssql_message_handler(DBPROCESS *dbproc, DBINT msgno,int msgstate, int severity,char *msgtext,char *srvname, char *procname,DBUSMALLINT line)
{
MSSQLLS_FETCH();
if (severity >= MS_SQL_G(min_message_severity)) {
php_error(E_WARNING,"MS SQL message: %s (severity %d)", msgtext, severity);
}
STR_FREE(MS_SQL_G(server_message));
MS_SQL_G(server_message) = estrdup(msgtext);
return 0;
}
static int _clean_invalid_results(list_entry *le)
{
MSSQLLS_FETCH();
if (le->type == MS_SQL_G(le_result)) {
mssql_link *mssql_ptr = ((mssql_result *) le->ptr)->mssql_ptr;
if (!mssql_ptr->valid) {
return 1;
}
}
return 0;
}
static void _free_mssql_result(mssql_result *result)
{
int i,j;
if (result->data) {
for (i=0; i<result->num_rows; i++) {
for (j=0; j<result->num_fields; j++) {
pval_destructor(&result->data[i][j]);
}
efree(result->data[i]);
}
efree(result->data);
}
if (result->fields) {
for (i=0; i<result->num_fields; i++) {
STR_FREE(result->fields[i].name);
STR_FREE(result->fields[i].column_source);
}
efree(result->fields);
}
efree(result);
}
static void _close_mssql_link(mssql_link *mssql_ptr)
{
MSSQLLS_FETCH();
mssql_ptr->valid = 0;
zend_hash_apply(MS_SQL_G(resource_list),(int (*)(void *))_clean_invalid_results);
dbclose(mssql_ptr->link);
dbfreelogin(mssql_ptr->login);
efree(mssql_ptr);
MS_SQL_G(num_links)--;
}
static void _close_mssql_plink(mssql_link *mssql_ptr)
{
MSSQLLS_FETCH();
dbclose(mssql_ptr->link);
dbfreelogin(mssql_ptr->login);
free(mssql_ptr);
MS_SQL_G(num_persistent)--;
MS_SQL_G(num_links)--;
}
#ifdef ZTS
static void php_mssql_init_globals(php_mssql_globals *mssql_globals)
{
MS_SQL_G(num_persistent) = 0;
}
#endif
PHP_MINIT_FUNCTION(mssql)
{
ELS_FETCH();
MSSQLLS_D;
#ifdef ZTS
mssql_globals_id = ts_allocate_id(sizeof(php_mssql_globals), php_mssql_init_globals, NULL);
mssql_globals = ts_resource(mssql_globals_id);
#else
MS_SQL_G(num_persistent) = 0;
#endif
REGISTER_INI_ENTRIES();
MS_SQL_G(le_result) = register_list_destructors(_free_mssql_result, NULL);
MS_SQL_G(le_link) = register_list_destructors(_close_mssql_link, NULL);
MS_SQL_G(le_plink) = register_list_destructors(NULL, _close_mssql_plink);
mssql_module_entry.type = type;
if (dbinit()==FAIL) {
return FAILURE;
}
dberrhandle((DBERRHANDLE_PROC) php_mssql_error_handler);
dbmsghandle((DBMSGHANDLE_PROC) php_mssql_message_handler);
if (MS_SQL_G(compatability_mode)) {
MS_SQL_G(get_column_content) = php_mssql_get_column_content_with_type;
} else {
MS_SQL_G(get_column_content) = php_mssql_get_column_content_without_type;
}
// if (MS_SQL_G(connecttimeout) < 1) MS_SQL_G(connecttimeout) = 1;
// dbsetlogintime(MS_SQL_G(connecttimeout));
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(mssql)
{
MSSQLLS_FETCH();
UNREGISTER_INI_ENTRIES();
dbexit();
return SUCCESS;
}
PHP_RINIT_FUNCTION(mssql)
{
MSSQLLS_FETCH();
MS_SQL_G(default_link) = -1;
MS_SQL_G(num_links) = MS_SQL_G(num_persistent);
MS_SQL_G(appname) = "PHP";
MS_SQL_G(server_message) = empty_string;
MS_SQL_G(min_error_severity) = MS_SQL_G(cfg_min_error_severity);
MS_SQL_G(min_message_severity) = MS_SQL_G(cfg_min_message_severity);
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(mssql)
{
MSSQLLS_FETCH();
STR_FREE(MS_SQL_G(server_message));
return SUCCESS;
}
PHP_MINFO_FUNCTION(mssql)
{
char buf[32];
MSSQLLS_FETCH();
DISPLAY_INI_ENTRIES();
php_printf("<table border=5 width=\"600\">");
php_info_print_table_header(2, "Key", "Value");
sprintf(buf, "%ld", MS_SQL_G(num_persistent));
php_info_print_table_row(2, "Active Persistent Links", buf);
sprintf(buf, "%ld", MS_SQL_G(num_links));
php_info_print_table_row(2, "Active Links", buf);
php_info_print_table_row(2, "Library version", MSSQL_VERSION);
php_printf("</table>\n");
}
void php_mssql_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *user, *passwd, *host;
char *hashed_details;
int hashed_details_length;
mssql_link mssql, *mssql_ptr;
char buffer[32];
MSSQLLS_FETCH();
// PLS_FETCH();
MS_SQL_G(resource_list) = list;
MS_SQL_G(resource_plist) = plist;
switch(ARG_COUNT(ht)) {
case 0: /* defaults */
host=user=passwd=NULL;
break;
case 1: {
pval **yyhost;
if (getParametersEx(1, &yyhost)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(yyhost);
host = (*yyhost)->value.str.val;
user=passwd=NULL;
}
break;
case 2: {
pval **yyhost,**yyuser;
if (getParametersEx(2, &yyhost, &yyuser)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(yyhost);
convert_to_string_ex(yyuser);
host = (*yyhost)->value.str.val;
user = (*yyuser)->value.str.val;
passwd=NULL;
}
break;
case 3: {
pval **yyhost,**yyuser,**yypasswd;
if (getParametersEx(3, &yyhost, &yyuser, &yypasswd) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(yyhost);
convert_to_string_ex(yyuser);
convert_to_string_ex(yypasswd);
host = (*yyhost)->value.str.val;
user = (*yyuser)->value.str.val;
passwd = (*yypasswd)->value.str.val;
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
hashed_details_length = sizeof("mssql___")-1 + strlen(SAFE_STRING(host))+strlen(SAFE_STRING(user))+strlen(SAFE_STRING(passwd));
hashed_details = (char *) emalloc(hashed_details_length+1);
if (hashed_details == NULL) {
php_error(E_WARNING, "Out of memory");
RETURN_FALSE;
}
sprintf(hashed_details,"mssql_%s_%s_%s", SAFE_STRING(host), SAFE_STRING(user), SAFE_STRING(passwd));
// return_value->value.lval = 0;
// return_value->type = IS_RESOURCE;
/* set a DBLOGIN record */
if ((mssql.login = dblogin()) == NULL) {
php_error(E_WARNING,"MS SQL: Unable to allocate login record");
RETURN_FALSE;
}
if (user) {
DBSETLUSER(mssql.login,user);
}
if (passwd) {
DBSETLPWD(mssql.login,passwd);
}
DBSETLAPP(mssql.login,MS_SQL_G(appname));
mssql.valid = 1;
DBSETLVERSION(mssql.login, DBVER60);
// DBSETLTIME(mssql.login, TIMEOUT_INFINITE);
if (!MS_SQL_G(allow_persistent)) {
persistent=0;
}
if (persistent) {
list_entry *le;
/* try to find if we already have this link in our persistent list */
if (zend_hash_find(plist, hashed_details, hashed_details_length + 1,
(void **) &le)==FAILURE) { /* we don't */
list_entry new_le;
if (MS_SQL_G(max_links) != -1 && MS_SQL_G(num_links) >= MS_SQL_G(max_links)) {
php_error(E_WARNING,"MS SQL: Too many open links (%d)",MS_SQL_G(num_links));
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
if (MS_SQL_G(max_persistent) != -1 && MS_SQL_G(num_persistent) >= MS_SQL_G(max_persistent)) {
php_error(E_WARNING,"MS SQL: Too many open persistent links (%d)",MS_SQL_G(num_persistent));
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
/* create the link */
if ((mssql.link = dbopen(mssql.login, host)) == FAIL) {
php_error(E_WARNING,"MS SQL: Unable to connect to server: %s", host);
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
if (dbsetopt(mssql.link, DBBUFFER, "2")==FAIL) {
efree(hashed_details);
dbfreelogin(mssql.login);
dbclose(mssql.link);
RETURN_FALSE;
}
if (MS_SQL_G(textlimit) != -1) {
sprintf(buffer, "%li", MS_SQL_G(textlimit));
if (dbsetopt(mssql.link, DBTEXTLIMIT, buffer)==FAIL) {
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
}
if (MS_SQL_G(textsize) != -1) {
sprintf(buffer, "SET TEXTSIZE %li", MS_SQL_G(textsize));
dbcmd(mssql.link, buffer);
dbsqlexec(mssql.link);
dbresults(mssql.link);
}
/* hash it up */
mssql_ptr = (mssql_link *) emalloc(sizeof(mssql_link));
memcpy(mssql_ptr, &mssql, sizeof(mssql_link));
new_le.type = MS_SQL_G(le_plink);
new_le.ptr = mssql_ptr;
if (zend_hash_update(plist, hashed_details, hashed_details_length + 1, &new_le, sizeof(list_entry), NULL)==FAILURE) {
efree(mssql_ptr);
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
MS_SQL_G(num_persistent)++;
MS_SQL_G(num_links)++;
} else { /* we do */
if (le->type != MS_SQL_G(le_plink)) {
#if BROKEN_MSSQL_PCONNECTS
log_error("PHP/MS SQL: Hashed persistent link is not a MS SQL link!",php_rqst->server);
#endif
php_error(E_WARNING,"MS SQL: Hashed persistent link is not a MS SQL link!");
RETURN_FALSE;
}
mssql_ptr = (mssql_link *) le->ptr;
/* test that the link hasn't died */
if (DBDEAD(mssql_ptr->link) == TRUE) {
#if BROKEN_MSSQL_PCONNECTS
log_error("PHP/MS SQL: Persistent link died, trying to reconnect...",php_rqst->server);
#endif
if ((mssql_ptr->link=dbopen(mssql_ptr->login,host))==FAIL) {
#if BROKEN_MSSQL_PCONNECTS
log_error("PHP/MS SQL: Unable to reconnect!",php_rqst->server);
#endif
php_error(E_WARNING,"MS SQL: Link to server lost, unable to reconnect");
zend_hash_del(plist, hashed_details, hashed_details_length+1);
efree(hashed_details);
RETURN_FALSE;
}
#if BROKEN_MSSQL_PCONNECTS
log_error("PHP/MS SQL: Reconnect successful!",php_rqst->server);
#endif
if (dbsetopt(mssql_ptr->link, DBBUFFER, "2")==FAIL) {
#if BROKEN_MSSQL_PCONNECTS
log_error("PHP/MS SQL: Unable to set required options",php_rqst->server);
#endif
zend_hash_del(plist, hashed_details, hashed_details_length + 1);
efree(hashed_details);
RETURN_FALSE;
}
}
}
ZEND_REGISTER_RESOURCE(return_value, mssql_ptr, MS_SQL_G(le_plink));
} else { /* non persistent */
list_entry *index_ptr, new_index_ptr;
/* first we check the hash for the hashed_details key. if it exists,
* it should point us to the right offset where the actual mssql link sits.
* if it doesn't, open a new mssql link, add it to the resource list,
* and add a pointer to it with hashed_details as the key.
*/
if (zend_hash_find(list, hashed_details, hashed_details_length + 1,(void **) &index_ptr)==SUCCESS) {
int type,link;
void *ptr;
if (index_ptr->type != le_index_ptr) {
RETURN_FALSE;
}
link = (int) index_ptr->ptr;
ptr = zend_list_find(link,&type); /* check if the link is still there */
if (ptr && (type==MS_SQL_G(le_link) || type==MS_SQL_G(le_plink))) {
zend_list_addref(link);
return_value->value.lval = MS_SQL_G(default_link) = link;
return_value->type = IS_RESOURCE;
efree(hashed_details);
return;
} else {
zend_hash_del(list, hashed_details, hashed_details_length + 1);
}
}
if (MS_SQL_G(max_links) != -1 && MS_SQL_G(num_links) >= MS_SQL_G(max_links)) {
php_error(E_WARNING,"MS SQL: Too many open links (%d)",MS_SQL_G(num_links));
efree(hashed_details);
RETURN_FALSE;
}
if ((mssql.link=dbopen(mssql.login, host))==NULL) {
php_error(E_WARNING,"MS SQL: Unable to connect to server: %s", host);
efree(hashed_details);
RETURN_FALSE;
}
if (dbsetopt(mssql.link, DBBUFFER,"2")==FAIL) {
efree(hashed_details);
dbfreelogin(mssql.login);
dbclose(mssql.link);
RETURN_FALSE;
}
if (MS_SQL_G(textlimit) != -1) {
sprintf(buffer, "%li", MS_SQL_G(textlimit));
if (dbsetopt(mssql.link, DBTEXTLIMIT, buffer)==FAIL) {
efree(hashed_details);
dbfreelogin(mssql.login);
RETURN_FALSE;
}
}
if (MS_SQL_G(textsize) != -1) {
sprintf(buffer, "SET TEXTSIZE %li", MS_SQL_G(textsize));
dbcmd(mssql.link, buffer);
dbsqlexec(mssql.link);
dbresults(mssql.link);
}
/* add it to the list */
mssql_ptr = (mssql_link *) emalloc(sizeof(mssql_link));
memcpy(mssql_ptr, &mssql, sizeof(mssql_link));
ZEND_REGISTER_RESOURCE(return_value, mssql_ptr, MS_SQL_G(le_link));
/* add it to the hash */
new_index_ptr.ptr = (void *) return_value->value.lval;
new_index_ptr.type = le_index_ptr;
if (zend_hash_update(list, hashed_details, hashed_details_length + 1,(void *) &new_index_ptr, sizeof(list_entry),NULL)==FAILURE) {
efree(hashed_details);
RETURN_FALSE;
}
MS_SQL_G(num_links)++;
}
efree(hashed_details);
// MS_SQL_G(default_link)=return_value->value.lval;
}
static int php_mssql_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
{
MSSQLLS_FETCH();
if (MS_SQL_G(default_link)==-1) { /* no link opened yet, implicitly open one */
ht = 0;
php_mssql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
return MS_SQL_G(default_link);
}
PHP_FUNCTION(mssql_connect)
{
php_mssql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
PHP_FUNCTION(mssql_pconnect)
{
php_mssql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
}
PHP_FUNCTION(mssql_close)
{
pval **mssql_link_index;
int id;
mssql_link *mssql_ptr;
MSSQLLS_FETCH();
switch (ARG_COUNT(ht)) {
case 0:
id = MS_SQL_G(default_link);
break;
case 1:
if (getParametersEx(1, &mssql_link_index)==FAILURE) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE2(mssql_ptr, mssql_link *, mssql_link_index, -1, "MS SQL-Link", MS_SQL_G(le_link), MS_SQL_G(le_plink));
id = (*mssql_link_index)->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
zend_list_delete(id);
RETURN_TRUE;
}
PHP_FUNCTION(mssql_select_db)
{
pval **db, **mssql_link_index;
int id;
mssql_link *mssql_ptr;
MSSQLLS_FETCH();
switch(ARG_COUNT(ht)) {
case 1:
if (getParametersEx(1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_mssql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (getParametersEx(2, &db, &mssql_link_index)==FAILURE) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE2(mssql_ptr, mssql_link *, mssql_link_index, -1, "MS SQL-Link", MS_SQL_G(le_link), MS_SQL_G(le_plink));
id = (*mssql_link_index)->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
CHECK_LINK(id);
convert_to_string_ex(db);
if (dbuse(mssql_ptr->link, (*db)->value.str.val)==FAIL) {
php_error(E_WARNING,"MS SQL: Unable to select database: %s", (*db)->value.str.val);
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
static void php_mssql_get_column_content_with_type(mssql_link *mssql_ptr,int offset,pval *result, int column_type)
{
if (dbdatlen(mssql_ptr->link,offset) == 0) {
var_reset(result);
return;
}
switch (column_type)
{
case SQLINT1:
case SQLINT2:
case SQLINT4:
case SQLINTN: {
result->value.lval = (long) anyintcol(offset);
result->type = IS_LONG;
break;
}
case SQLCHAR:
case SQLVARCHAR:
case SQLTEXT: {
int length;
char *data = charcol(offset);
length=dbdatlen(mssql_ptr->link,offset);
while (length>0 && charcol(offset)[length-1] == ' ') { /* nuke trailing whitespace */
length--;
}
result->value.str.val = estrndup(data,length);
result->value.str.len = length;
result->type = IS_STRING;
break;
}
case SQLFLT8: {
result->value.dval = (double) floatcol(offset);
result->type = IS_DOUBLE;
break;
}
case SQLNUMERIC:
default: {
if (dbwillconvert(coltype(offset),SQLCHAR)) {
char *res_buf;
int res_length = dbdatlen(mssql_ptr->link,offset);
res_buf = (char *) emalloc(res_length+1);
memset(res_buf, 0, res_length+1);
dbconvert(NULL,coltype(offset),dbdata(mssql_ptr->link,offset), res_length,SQLCHAR,res_buf,-1);
result->value.str.len = res_length;
result->value.str.val = res_buf;
result->type = IS_STRING;
} else {
php_error(E_WARNING,"MS SQL: column %d has unknown data type (%d)", offset, coltype(offset));
var_reset(result);
}
}
}
}
static void php_mssql_get_column_content_without_type(mssql_link *mssql_ptr,int offset,pval *result, int column_type)
{
if (dbdatlen(mssql_ptr->link,offset) == 0) {
var_reset(result);
return;
}
if (dbwillconvert(coltype(offset),SQLCHAR)) {
unsigned char *res_buf;
int res_length = dbdatlen(mssql_ptr->link,offset);
res_buf = (unsigned char *) emalloc(res_length+1 + 19);
memset(res_buf, 0, res_length+1 + 10);
dbconvert(NULL,coltype(offset),dbdata(mssql_ptr->link,offset), res_length, SQLCHAR,res_buf,-1);
result->value.str.len = strlen(res_buf);
result->value.str.val = res_buf;
result->type = IS_STRING;
} else {
php_error(E_WARNING,"MS SQL: column %d has unknown data type (%d)", offset, coltype(offset));
var_reset(result);
}
}
PHP_FUNCTION(mssql_query)
{
pval **query, **mssql_link_index;
int retvalue;
mssql_link *mssql_ptr;
mssql_result *result;
int num_fields;
int blocks_initialized=1;
int i,j;
int *column_types;
MSSQLLS_FETCH();
switch(ARG_COUNT(ht)) {
case 1:
if (getParametersEx(1, &query)==FAILURE) {
RETURN_FALSE;
}
// id = MS_SQL_G(default_link);
break;
case 2:
if (getParametersEx(2, &query, &mssql_link_index)==FAILURE) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE2(mssql_ptr, mssql_link *, mssql_link_index, -1, "MS SQL-Link", MS_SQL_G(le_link), MS_SQL_G(le_plink));
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_string_ex(query);
if (dbcmd(mssql_ptr->link, (*query)->value.str.val)==FAIL) {
php_error(E_WARNING,"MS SQL: Unable to set query");
RETURN_FALSE;
}
if (dbsqlexec(mssql_ptr->link)==FAIL || dbresults(mssql_ptr->link)==FAIL) {
php_error(E_WARNING,"MS SQL: Query failed");
RETURN_FALSE;
}
/* The following is more or less the equivalent of mysql_store_result().
* fetch all rows from the server into the row buffer, thus:
* 1) Being able to fire up another query without explicitly reading all rows
* 2) Having numrows accessible
*/
retvalue=dbnextrow(mssql_ptr->link);
if (retvalue==FAIL) {
RETURN_FALSE;
}
num_fields = dbnumcols(mssql_ptr->link);
if (num_fields <= 0) {
RETURN_TRUE;
}
column_types = (int *) emalloc(sizeof(int) * num_fields);
for (i=0; i<num_fields; i++) {
column_types[i] = coltype(i+1);
}
result = (mssql_result *) emalloc(sizeof(mssql_result));
result->data = (pval **) emalloc(sizeof(pval *)*MSSQL_ROWS_BLOCK);
result->mssql_ptr = mssql_ptr;
result->cur_field=result->cur_row=result->num_rows=0;
result->num_fields = num_fields;
i=0;
while (retvalue!=FAIL && retvalue!=NO_MORE_ROWS) {
result->num_rows++;
if (result->num_rows > blocks_initialized*MSSQL_ROWS_BLOCK) {
result->data = (pval **) erealloc(result->data,sizeof(pval *)*MSSQL_ROWS_BLOCK*(++blocks_initialized));
}
result->data[i] = (pval *) emalloc(sizeof(pval)*num_fields);
for (j=1; j<=num_fields; j++) {
MS_SQL_G(get_column_content(mssql_ptr, j, &result->data[i][j-1], column_types[j-1]));
}
retvalue=dbnextrow(mssql_ptr->link);
dbclrbuf(mssql_ptr->link,DBLASTROW(mssql_ptr->link)-1);
i++;
}
result->num_rows = DBCOUNT(mssql_ptr->link);
result->fields = (mssql_field *) emalloc(sizeof(mssql_field)*num_fields);
j=0;
for (i=0; i<num_fields; i++) {
char *fname = (char *)dbcolname(mssql_ptr->link,i+1);
char computed_buf[16];
if (*fname) {
result->fields[i].name = estrdup(fname);
} else {
if (j>0) {
snprintf(computed_buf,16,"computed%d",j);
} else {
strcpy(computed_buf,"computed");
}
result->fields[i].name = estrdup(computed_buf);
j++;
}
result->fields[i].max_length = dbcollen(mssql_ptr->link,i+1);
result->fields[i].column_source = estrdup(dbcolsource(mssql_ptr->link,i+1));
if (!result->fields[i].column_source) {
result->fields[i].column_source = empty_string;
}
result->fields[i].type = column_types[i];
/* set numeric flag */
switch (column_types[i]) {
case SQLINT1:
case SQLINT2:
case SQLINT4:
case SQLFLT8:
case SQLNUMERIC:
case SQLDECIMAL:
result->fields[i].numeric = 1;
break;
case SQLCHAR:
case SQLVARCHAR:
case SQLTEXT:
default:
result->fields[i].numeric = 0;
break;
}
}
efree(column_types);
ZEND_REGISTER_RESOURCE(return_value, result, MS_SQL_G(le_result));
}
PHP_FUNCTION(mssql_free_result)
{
pval **mssql_result_index;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParametersEx(1, &mssql_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", MS_SQL_G(le_result));
zend_list_delete((*mssql_result_index)->value.lval);
RETURN_TRUE;
}
PHP_FUNCTION(mssql_get_last_message)
{
MSSQLLS_FETCH();
RETURN_STRING(MS_SQL_G(server_message),1);
}
PHP_FUNCTION(mssql_num_rows)
{
pval **mssql_result_index;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParametersEx(1, &mssql_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", MS_SQL_G(le_result));
return_value->value.lval = result->num_rows;
return_value->type = IS_LONG;
}
PHP_FUNCTION(mssql_num_fields)
{
pval **mssql_result_index;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParametersEx(1, &mssql_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", MS_SQL_G(le_result));
return_value->value.lval = result->num_fields;
return_value->type = IS_LONG;
}
PHP_FUNCTION(mssql_fetch_row)
{
pval **mssql_result_index;
int i;
mssql_result *result;
pval *field_content;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParametersEx(1, &mssql_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", MS_SQL_G(le_result));
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
array_init(return_value);
for (i=0; i<result->num_fields; i++) {
MAKE_STD_ZVAL(field_content);
*field_content = result->data[result->cur_row][i];
pval_copy_constructor(field_content);
zend_hash_index_update(return_value->value.ht, i, (void *) &field_content, sizeof(pval), NULL);
}
result->cur_row++;
}
static void php_mssql_fetch_hash(INTERNAL_FUNCTION_PARAMETERS)
{
pval **mssql_result_index;
mssql_result *result;
int i;
pval *pvalue_ptr,tmp;
MSSQLLS_FETCH();
PLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParametersEx(1, &mssql_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, mssql_result *, mssql_result_index, -1, "MS SQL-result", MS_SQL_G(le_result));
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
if (array_init(return_value)==FAILURE) {
RETURN_FALSE;
}
for (i=0; i<result->num_fields; i++) {
tmp = result->data[result->cur_row][i];
pval_copy_constructor(&tmp);
if (PG(magic_quotes_runtime) && tmp.type == IS_STRING) {
tmp.value.str.val = php_addslashes(tmp.value.str.val,tmp.value.str.len,&tmp.value.str.len,1);
}
zend_hash_index_update(return_value->value.ht, i, (void *) &tmp, sizeof(pval), (void **) &pvalue_ptr);
zend_hash_pointer_update(return_value->value.ht, result->fields[i].name, strlen(result->fields[i].name)+1, pvalue_ptr);
}
result->cur_row++;
}
PHP_FUNCTION(mssql_fetch_object)
{
php_mssql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
if (return_value->type==IS_ARRAY) {
return_value->type=IS_OBJECT;
}
}
PHP_FUNCTION(mssql_fetch_array)
{
php_mssql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
PHP_FUNCTION(mssql_data_seek)
{
pval *mssql_result_index, *offset;
int type,id;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=2 || getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
convert_to_long(offset);
if (offset->value.lval<0 || offset->value.lval>=result->num_rows) {
php_error(E_WARNING,"MS SQL: Bad row offset");
RETURN_FALSE;
}
result->cur_row = offset->value.lval;
RETURN_TRUE;
}
static char *php_mssql_get_field_name(int type)
{
switch (type) {
case SQLBINARY:
case SQLVARBINARY:
return "blob";
break;
case SQLCHAR:
case SQLVARCHAR:
return "char";
break;
case SQLTEXT:
return "text";
break;
case SQLDATETIME:
case SQLDATETIM4:
case SQLDATETIMN:
return "datetime";
break;
case SQLDECIMAL:
case SQLFLT8:
case SQLFLTN:
return "real";
break;
case SQLINT1:
case SQLINT2:
case SQLINT4:
case SQLINTN:
return "int";
break;
case SQLNUMERIC:
return "numeric";
break;
case SQLMONEY:
case SQLMONEY4:
case SQLMONEYN:
return "money";
break;
case SQLBIT:
return "bit";
break;
case SQLIMAGE:
return "image";
break;
default:
return "unknown";
break;
}
}
PHP_FUNCTION(mssql_fetch_field)
{
pval *mssql_result_index,*offset;
int type,id,field_offset;
mssql_result *result;
MSSQLLS_FETCH();
switch (ARG_COUNT(ht)) {
case 1:
if (getParameters(ht, 1, &mssql_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
if (field_offset==-1) {
field_offset = result->cur_field;
result->cur_field++;
}
if (field_offset<0 || field_offset >= result->num_fields) {
if (ARG_COUNT(ht)==2) { /* field specified explicitly */
php_error(E_WARNING,"MS SQL: Bad column offset");
}
RETURN_FALSE;
}
if (object_init(return_value)==FAILURE) {
RETURN_FALSE;
}
add_property_string(return_value, "name",result->fields[field_offset].name, 1);
add_property_long(return_value, "max_length",result->fields[field_offset].max_length);
add_property_string(return_value, "column_source",result->fields[field_offset].column_source, 1);
add_property_long(return_value, "numeric", result->fields[field_offset].numeric);
add_property_string(return_value, "type", php_mssql_get_field_name(result->fields[field_offset].type), 1);
}
PHP_FUNCTION(mssql_field_length)
{
pval *mssql_result_index,*offset;
int type,id,field_offset;
mssql_result *result;
MSSQLLS_FETCH();
switch (ARG_COUNT(ht)) {
case 1:
if (getParameters(ht, 1, &mssql_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
if (field_offset==-1) {
field_offset = result->cur_field;
result->cur_field++;
}
if (field_offset<0 || field_offset >= result->num_fields) {
if (ARG_COUNT(ht)==2) { /* field specified explicitly */
php_error(E_WARNING,"MS SQL: Bad column offset");
}
RETURN_FALSE;
}
return_value->value.lval = result->fields[field_offset].max_length;
return_value->type = IS_LONG;
}
PHP_FUNCTION(mssql_field_name)
{
pval *mssql_result_index,*offset;
int type,id,field_offset;
mssql_result *result;
MSSQLLS_FETCH();
switch (ARG_COUNT(ht)) {
case 1:
if (getParameters(ht, 1, &mssql_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
if (field_offset==-1) {
field_offset = result->cur_field;
result->cur_field++;
}
if (field_offset<0 || field_offset >= result->num_fields) {
if (ARG_COUNT(ht)==2) { /* field specified explicitly */
php_error(E_WARNING,"MS SQL: Bad column offset");
}
RETURN_FALSE;
}
return_value->value.str.val = estrdup(result->fields[field_offset].name);
return_value->value.str.len = strlen(result->fields[field_offset].name);
return_value->type = IS_STRING;
}
PHP_FUNCTION(mssql_field_type)
{
pval *mssql_result_index,*offset;
int type,id,field_offset;
mssql_result *result;
MSSQLLS_FETCH();
switch (ARG_COUNT(ht)) {
case 1:
if (getParameters(ht, 1, &mssql_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
if (field_offset==-1) {
field_offset = result->cur_field;
result->cur_field++;
}
if (field_offset<0 || field_offset >= result->num_fields) {
if (ARG_COUNT(ht)==2) { /* field specified explicitly */
php_error(E_WARNING,"MS SQL: Bad column offset");
}
RETURN_FALSE;
}
return_value->value.str.val = estrdup(php_mssql_get_field_name(result->fields[field_offset].type));
return_value->value.str.len = strlen(php_mssql_get_field_name(result->fields[field_offset].type));
return_value->type = IS_STRING;
}
PHP_FUNCTION(mssql_field_seek)
{
pval *mssql_result_index,*offset;
int type,id,field_offset;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=2 || getParameters(ht, 2, &mssql_result_index, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
if (field_offset<0 || field_offset >= result->num_fields) {
php_error(E_WARNING,"MS SQL: Bad column offset");
RETURN_FALSE;
}
result->cur_field = field_offset;
RETURN_TRUE;
}
PHP_FUNCTION(mssql_result)
{
pval *row, *field, *mssql_result_index;
int id,type,field_offset=0;
mssql_result *result;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=3 || getParameters(ht, 3, &mssql_result_index, &row, &field)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(mssql_result_index);
id = mssql_result_index->value.lval;
result = (mssql_result *) zend_list_find(id,&type);
if (type!=MS_SQL_G(le_result)) {
php_error(E_WARNING,"%d is not a MS SQL result index",id);
RETURN_FALSE;
}
convert_to_long(row);
if (row->value.lval<0 || row->value.lval>=result->num_rows) {
php_error(E_WARNING,"MS SQL: Bad row offset (%d)",row->value.lval);
RETURN_FALSE;
}
switch(field->type) {
case IS_STRING: {
int i;
for (i=0; i<result->num_fields; i++) {
if (!strcasecmp(result->fields[i].name,field->value.str.val)) {
field_offset = i;
break;
}
}
if (i>=result->num_fields) { /* no match found */
php_error(E_WARNING,"MS SQL: %s field not found in result",field->value.str.val);
RETURN_FALSE;
}
break;
}
default:
convert_to_long(field);
field_offset = field->value.lval;
if (field_offset<0 || field_offset>=result->num_fields) {
php_error(E_WARNING,"MS SQL: Bad column offset specified");
RETURN_FALSE;
}
break;
}
*return_value = result->data[row->value.lval][field_offset];
pval_copy_constructor(return_value);
}
PHP_FUNCTION(mssql_min_error_severity)
{
pval *severity;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
MS_SQL_G(min_error_severity) = severity->value.lval;
}
PHP_FUNCTION(mssql_min_message_severity)
{
pval *severity;
MSSQLLS_FETCH();
if (ARG_COUNT(ht)!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
MS_SQL_G(min_message_severity) = severity->value.lval;
}
/* }}} */
#endif
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