root/pdo_oci/oci_driver.c

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DEFINITIONS

This source file includes following definitions.
  1. pdo_oci_fetch_error_func
  2. _oci_error
  3. oci_handle_closer
  4. oci_handle_preparer
  5. oci_handle_doer
  6. oci_handle_quoter
  7. oci_handle_begin
  8. oci_handle_commit
  9. oci_handle_rollback
  10. oci_handle_set_attribute
  11. oci_handle_get_attribute
  12. pdo_oci_check_liveness
  13. pdo_oci_handle_factory
  14. pdo_oci_sanitize_prefetch

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2013 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.               |
  +----------------------------------------------------------------------+
  | Author: Wez Furlong <wez@php.net>                                    |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_oci.h"
#include "php_pdo_oci_int.h"
#include "Zend/zend_exceptions.h"

static inline ub4 pdo_oci_sanitize_prefetch(long prefetch);

static int pdo_oci_fetch_error_func(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
        pdo_oci_error_info *einfo;

        einfo = &H->einfo;

        if (stmt) {
                pdo_oci_stmt *S = (pdo_oci_stmt*)stmt->driver_data;

                if (S->einfo.errmsg) {
                        einfo = &S->einfo;
                }
        }

        if (einfo->errcode) {
                add_next_index_long(info, einfo->errcode);
                add_next_index_string(info, einfo->errmsg, 1);
        }

        return 1;
}
/* }}} */

ub4 _oci_error(OCIError *err, pdo_dbh_t *dbh, pdo_stmt_t *stmt, char *what, sword status, int isinit, const char *file, int line TSRMLS_DC) /* {{{ */
{
        text errbuf[1024] = "<<Unknown>>";
        char tmp_buf[2048];
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
        pdo_oci_error_info *einfo;
        pdo_oci_stmt *S = NULL;
        pdo_error_type *pdo_err = &dbh->error_code;

        if (stmt) {
                S = (pdo_oci_stmt*)stmt->driver_data;
                einfo = &S->einfo;
                pdo_err = &stmt->error_code;
        }
        else {
                einfo = &H->einfo;
        }

        if (einfo->errmsg) {
                pefree(einfo->errmsg, dbh->is_persistent);
        }

        einfo->errmsg = NULL;
        einfo->errcode = 0;
        einfo->file = file;
        einfo->line = line;

        if (isinit) { /* Initialization error */
                strcpy(*pdo_err, "HY000");
                slprintf(tmp_buf, sizeof(tmp_buf), "%s (%s:%d)", what, file, line);
                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
        }
        else {
                switch (status) {
                        case OCI_SUCCESS:
                                strcpy(*pdo_err, "00000");
                                break;
                        case OCI_ERROR:
                                OCIErrorGet(err, (ub4)1, NULL, &einfo->errcode, errbuf, (ub4)sizeof(errbuf), OCI_HTYPE_ERROR);
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: %s (%s:%d)", what, errbuf, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_SUCCESS_WITH_INFO:
                                OCIErrorGet(err, (ub4)1, NULL, &einfo->errcode, errbuf, (ub4)sizeof(errbuf), OCI_HTYPE_ERROR);
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_SUCCESS_WITH_INFO: %s (%s:%d)", what, errbuf, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_NEED_DATA:
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_NEED_DATA (%s:%d)", what, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_NO_DATA:
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_NO_DATA (%s:%d)", what, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_INVALID_HANDLE:
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_INVALID_HANDLE (%s:%d)", what, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_STILL_EXECUTING:
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_STILL_EXECUTING (%s:%d)", what, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                        case OCI_CONTINUE:
                                slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_CONTINUE (%s:%d)", what, file, line);
                                einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
                                break;
                }

                if (einfo->errcode) {
                        switch (einfo->errcode) {
                                case 1013:      /* user requested cancel of current operation */
                                        zend_bailout();
                                        break;

#if 0
                                case 955:       /* ORA-00955: name is already used by an existing object */
                                        *pdo_err = PDO_ERR_ALREADY_EXISTS;
                                        break;
#endif

                                case 12154:     /* ORA-12154: TNS:could not resolve service name */
                                        strcpy(*pdo_err, "42S02");
                                        break;
                                
                                case    22:     /* ORA-00022: invalid session id */
                                case   378:
                                case   602:
                                case   603:
                                case   604:
                                case   609:
                                case  1012:     /* ORA-01012: */
                                case  1033:
                                case  1041:
                                case  1043:
                                case  1089:
                                case  1090:
                                case  1092:
                                case  3113:     /* ORA-03133: end of file on communication channel */
                                case  3114:
                                case  3122:
                                case  3135:
                                case 12153:
                                case 27146:
                                case 28511:
                                        /* consider the connection closed */
                                        dbh->is_closed = 1;
                                        H->attached = 0;
                                        strcpy(*pdo_err, "01002"); /* FIXME */
                                        break;

                                default:
                                        strcpy(*pdo_err, "HY000");
                        }
                }

                if (stmt) {
                        /* always propogate the error code back up to the dbh,
                         * so that we can catch the error information when execute
                         * is called via query.  See Bug #33707 */
                        if (H->einfo.errmsg) {
                                pefree(H->einfo.errmsg, dbh->is_persistent);
                        }
                        H->einfo = *einfo;
                        H->einfo.errmsg = einfo->errmsg ? pestrdup(einfo->errmsg, dbh->is_persistent) : NULL;
                        strcpy(dbh->error_code, stmt->error_code);
                }
        }

        /* little mini hack so that we can use this code from the dbh ctor */
        if (!dbh->methods) {
                zend_throw_exception_ex(php_pdo_get_exception(), einfo->errcode TSRMLS_CC, "SQLSTATE[%s]: %s", *pdo_err, einfo->errmsg);
        }

        return einfo->errcode;
}
/* }}} */

static int oci_handle_closer(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;

        if (H->svc) {
                /* rollback any outstanding work */
                OCITransRollback(H->svc, H->err, 0);
        }

        if (H->session) {
                OCIHandleFree(H->session, OCI_HTYPE_SESSION);
                H->session = NULL;
        }

        if (H->svc) {
                OCIHandleFree(H->svc, OCI_HTYPE_SVCCTX);
                H->svc = NULL;
        }

        if (H->server && H->attached) {
                H->last_err = OCIServerDetach(H->server, H->err, OCI_DEFAULT);
                if (H->last_err) {
                        oci_drv_error("OCIServerDetach");
                }
                H->attached = 0;
        }

        if (H->server) {
                OCIHandleFree(H->server, OCI_HTYPE_SERVER);
                H->server = NULL;
        }

        OCIHandleFree(H->err, OCI_HTYPE_ERROR);
        H->err = NULL;

        if (H->charset && H->env) {
                OCIHandleFree(H->env, OCI_HTYPE_ENV);
                H->env = NULL;
        }

        if (H->einfo.errmsg) {
                pefree(H->einfo.errmsg, dbh->is_persistent);
                H->einfo.errmsg = NULL;
        }

        pefree(H, dbh->is_persistent);

        return 0;
}
/* }}} */

static int oci_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
        pdo_oci_stmt *S = ecalloc(1, sizeof(*S));
        ub4 prefetch;
        char *nsql = NULL;
        int nsql_len = 0;
        int ret;

#if HAVE_OCISTMTFETCH2
        S->exec_type = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR,
                PDO_CURSOR_FWDONLY TSRMLS_CC) == PDO_CURSOR_SCROLL ?
                OCI_STMT_SCROLLABLE_READONLY : OCI_DEFAULT;
#else
        S->exec_type = OCI_DEFAULT;
#endif

        S->H = H;
        stmt->supports_placeholders = PDO_PLACEHOLDER_NAMED;
        ret = pdo_parse_params(stmt, (char*)sql, sql_len, &nsql, &nsql_len TSRMLS_CC);

        if (ret == 1) {
                /* query was re-written */
                sql = nsql;
                sql_len = nsql_len;
        } else if (ret == -1) {
                /* couldn't grok it */
                strcpy(dbh->error_code, stmt->error_code);
                efree(S);
                return 0;
        }

        /* create an OCI statement handle */
        OCIHandleAlloc(H->env, (dvoid*)&S->stmt, OCI_HTYPE_STMT, 0, NULL);

        /* and our own private error handle */
        OCIHandleAlloc(H->env, (dvoid*)&S->err, OCI_HTYPE_ERROR, 0, NULL);

        if (sql_len) {
                H->last_err = OCIStmtPrepare(S->stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
                if (nsql) {
                        efree(nsql);
                        nsql = NULL;
                }
                if (H->last_err) {
                        H->last_err = oci_drv_error("OCIStmtPrepare");
                        OCIHandleFree(S->stmt, OCI_HTYPE_STMT);
                        OCIHandleFree(S->err, OCI_HTYPE_ERROR);
                        efree(S);
                        return 0;
                }

        }

        prefetch = pdo_oci_sanitize_prefetch(pdo_attr_lval(driver_options, PDO_ATTR_PREFETCH, PDO_OCI_PREFETCH_DEFAULT TSRMLS_CC));
        if (prefetch) {
                H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
                        OCI_ATTR_PREFETCH_ROWS, H->err);
                if (!H->last_err) {
                        prefetch *= PDO_OCI_PREFETCH_ROWSIZE;
                        H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
                                OCI_ATTR_PREFETCH_MEMORY, H->err);
                }
        }

        stmt->driver_data = S;
        stmt->methods = &oci_stmt_methods;
        if (nsql) {
                efree(nsql);
                nsql = NULL;
        }

        return 1;
}
/* }}} */

static long oci_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
        OCIStmt         *stmt;
        ub2 stmt_type;
        ub4 rowcount;
        int ret = -1;

        OCIHandleAlloc(H->env, (dvoid*)&stmt, OCI_HTYPE_STMT, 0, NULL);

        H->last_err = OCIStmtPrepare(stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
        if (H->last_err) {
                H->last_err = oci_drv_error("OCIStmtPrepare");
                OCIHandleFree(stmt, OCI_HTYPE_STMT);
                return -1;
        }

        H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &stmt_type, 0, OCI_ATTR_STMT_TYPE, H->err);

        if (stmt_type == OCI_STMT_SELECT) {
                /* invalid usage; cancel it */
                OCIHandleFree(stmt, OCI_HTYPE_STMT);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "issuing a SELECT query here is invalid");
                return -1;
        }

        /* now we are good to go */
        H->last_err = OCIStmtExecute(H->svc, stmt, H->err, 1, 0, NULL, NULL,
                        (dbh->auto_commit && !dbh->in_txn) ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);

        if (H->last_err) {
                H->last_err = oci_drv_error("OCIStmtExecute");
        } else {
                /* return the number of affected rows */
                H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &rowcount, 0, OCI_ATTR_ROW_COUNT, H->err);
                ret = rowcount;
        }

        OCIHandleFree(stmt, OCI_HTYPE_STMT);

        return ret;
}
/* }}} */

static int oci_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype  TSRMLS_DC) /* {{{ */
{
        int qcount = 0;
        char const *cu, *l, *r;
        char *c;

        if (!unquotedlen) {
                *quotedlen = 2;
                *quoted = emalloc(*quotedlen+1);
                strcpy(*quoted, "''");
                return 1;
        }

        /* count single quotes */
        for (cu = unquoted; (cu = strchr(cu,'\'')); qcount++, cu++)
                ; /* empty loop */

        *quotedlen = unquotedlen + qcount + 2;
        *quoted = c = emalloc(*quotedlen+1);
        *c++ = '\'';
        
        /* foreach (chunk that ends in a quote) */
        for (l = unquoted; (r = strchr(l,'\'')); l = r+1) {
                strncpy(c, l, r-l+1);
                c += (r-l+1);           
                *c++ = '\'';                    /* add second quote */
        }

    /* Copy remainder and add enclosing quote */        
        strncpy(c, l, *quotedlen-(c-*quoted)-1);
        (*quoted)[*quotedlen-1] = '\''; 
        (*quoted)[*quotedlen]   = '\0';
        
        return 1;
}
/* }}} */

static int oci_handle_begin(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
        /* with Oracle, there is nothing special to be done */
        return 1;
}
/* }}} */

static int oci_handle_commit(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;

        H->last_err = OCITransCommit(H->svc, H->err, 0);

        if (H->last_err) {
                H->last_err = oci_drv_error("OCITransCommit");
                return 0;
        }
        return 1;
}
/* }}} */

static int oci_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;

        H->last_err = OCITransRollback(H->svc, H->err, 0);

        if (H->last_err) {
                H->last_err = oci_drv_error("OCITransRollback");
                return 0;
        }
        return 1;
}
/* }}} */

static int oci_handle_set_attribute(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;

        if (attr == PDO_ATTR_AUTOCOMMIT) {
                if (dbh->in_txn) {
                        /* Assume they want to commit whatever is outstanding */
                        H->last_err = OCITransCommit(H->svc, H->err, 0);

                        if (H->last_err) {
                                H->last_err = oci_drv_error("OCITransCommit");
                                return 0;
                        }
                        dbh->in_txn = 0;
                }

                convert_to_long(val);

                dbh->auto_commit = Z_LVAL_P(val);
                return 1;
        } else {
                return 0;
        }
        
}
/* }}} */

static int oci_handle_get_attribute(pdo_dbh_t *dbh, long attr, zval *return_value TSRMLS_DC)  /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;

        switch (attr) {
                case PDO_ATTR_SERVER_VERSION:
                case PDO_ATTR_SERVER_INFO:
                {
                        text infostr[512];
                        char verstr[15];
                        ub4  vernum;
                        
                        if (OCIServerRelease(H->svc, H->err, infostr, (ub4)sizeof(infostr), (ub1)OCI_HTYPE_SVCCTX, &vernum))
                        {
                                ZVAL_STRING(return_value, "<<Unknown>>", 1);
                        } else {
                                if (attr == PDO_ATTR_SERVER_INFO) {
                                        ZVAL_STRING(return_value, (char *)infostr, 1);
                                } else {
                                        slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d", 
                                                         (int)((vernum>>24) & 0xFF),  /* version number */
                                                         (int)((vernum>>20) & 0x0F),  /* release number*/
                                                         (int)((vernum>>12) & 0xFF),  /* update number */
                                                         (int)((vernum>>8)  & 0x0F),  /* port release number */
                                                         (int)((vernum>>0)  & 0xFF)); /* port update number */
                                        
                                        ZVAL_STRING(return_value, verstr, 1);
                                }
                        }
                        return TRUE;
                }

                case PDO_ATTR_CLIENT_VERSION:
                {
#if OCI_MAJOR_VERSION > 10 || (OCI_MAJOR_VERSION == 10 && OCI_MINOR_VERSION >= 2)
                        /* Run time client version */
                        sword major, minor, update, patch, port_update;
                        char verstr[15];

                        OCIClientVersion(&major, &minor, &update, &patch, &port_update);
                        slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d", major, minor, update, patch, port_update);
                        ZVAL_STRING(return_value, verstr, 1);
#elif defined(PHP_PDO_OCI_CLIENT_VERSION)
                        /* Compile time client version */
                        ZVAL_STRING(return_value, PHP_PDO_OCI_CLIENT_VERSION, 1);
#else
                        return FALSE;

#endif /* Check for OCIClientVersion() support */

                        return TRUE;
                }

                case PDO_ATTR_AUTOCOMMIT:
                        ZVAL_BOOL(return_value, dbh->auto_commit);
                        return TRUE;

                default:
                        return FALSE;

        }
        return FALSE;

}
/* }}} */

static int pdo_oci_check_liveness(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
        sb4 error_code = 0;
        char version[256];

        /* TODO move attached check to PDO level */
        if (H->attached == 0) {
                return FAILURE;
        }
        /* TODO add persistent_timeout check at PDO level */


        /* Use OCIPing instead of OCIServerVersion. If OCIPing returns ORA-1010 (invalid OCI operation)
         * such as from Pre-10.1 servers, the error is still from the server and we would have
         * successfully performed a roundtrip and validated the connection. Use OCIServerVersion for
         * Pre-10.2 clients
         */     
#if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2)))       /* OCIPing available 10.2 onwards */
        H->last_err = OCIPing (H->svc, H->err, OCI_DEFAULT);
#else
        /* use good old OCIServerVersion() */
        H->last_err = OCIServerVersion (H->svc, H->err, (text *)version, sizeof(version), OCI_HTYPE_SVCCTX);
#endif
        if (H->last_err == OCI_SUCCESS) {
                return SUCCESS;
        }

        OCIErrorGet (H->err, (ub4)1, NULL, &error_code, NULL, 0, OCI_HTYPE_ERROR);
        
        if (error_code == 1010) {
                return SUCCESS;
        }
        return FAILURE;
}
/* }}} */

static struct pdo_dbh_methods oci_methods = {
        oci_handle_closer,
        oci_handle_preparer,
        oci_handle_doer,
        oci_handle_quoter,
        oci_handle_begin,
        oci_handle_commit,
        oci_handle_rollback,
        oci_handle_set_attribute,
        NULL,
        pdo_oci_fetch_error_func,
        oci_handle_get_attribute,
        pdo_oci_check_liveness, /* check_liveness */
        NULL    /* get_driver_methods */
};

static int pdo_oci_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
{
        pdo_oci_db_handle *H;
        int i, ret = 0;
        struct pdo_data_src_parser vars[] = {
                { "charset",  NULL,     0 },
                { "dbname",   "",       0 }
        };

        php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 2);

        H = pecalloc(1, sizeof(*H), dbh->is_persistent);
        dbh->driver_data = H;

        /* allocate an environment */
#if HAVE_OCIENVNLSCREATE
        if (vars[0].optval) {
                H->charset = OCINlsCharSetNameToId(pdo_oci_Env, (const oratext *)vars[0].optval);
                if (!H->charset) {
                        oci_init_error("OCINlsCharSetNameToId: unknown character set name");
                        goto cleanup;
                } else {
                        if (OCIEnvNlsCreate(&H->env, PDO_OCI_INIT_MODE, 0, NULL, NULL, NULL, 0, NULL, H->charset, H->charset) != OCI_SUCCESS) {
                                oci_init_error("OCIEnvNlsCreate: Check the character set is valid and that PHP has access to Oracle libraries and NLS data");
                                goto cleanup;
                        }
                }
        }
#endif
        if (H->env == NULL) {
                /* use the global environment */
                H->env = pdo_oci_Env;
        }

        /* something to hold errors */
        OCIHandleAlloc(H->env, (dvoid **)&H->err, OCI_HTYPE_ERROR, 0, NULL);

        /* handle for the server */
        OCIHandleAlloc(H->env, (dvoid **)&H->server, OCI_HTYPE_SERVER, 0, NULL);

        H->last_err = OCIServerAttach(H->server, H->err, (text*)vars[1].optval,
                        strlen(vars[1].optval), OCI_DEFAULT);

        if (H->last_err) {
                oci_drv_error("pdo_oci_handle_factory");
                goto cleanup;
        }

        H->attached = 1;

        /* create a service context */
        H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->svc, OCI_HTYPE_SVCCTX, 0, NULL);
        if (H->last_err) {
                oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SVCCTX");
                goto cleanup;
        }

        H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->session, OCI_HTYPE_SESSION, 0, NULL);
        if (H->last_err) {
                oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SESSION");
                goto cleanup;
        }

        /* set server handle into service handle */
        H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->server, 0, OCI_ATTR_SERVER, H->err);
        if (H->last_err) {
                oci_drv_error("OCIAttrSet: OCI_ATTR_SERVER");
                goto cleanup;
        }

        /* username */
        if (dbh->username) {
                H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
                                dbh->username, strlen(dbh->username),
                                OCI_ATTR_USERNAME, H->err);
                if (H->last_err) {
                        oci_drv_error("OCIAttrSet: OCI_ATTR_USERNAME");
                        goto cleanup;
                }
        }

        /* password */
        if (dbh->password) {
                H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
                                dbh->password, strlen(dbh->password),
                                OCI_ATTR_PASSWORD, H->err);
                if (H->last_err) {
                        oci_drv_error("OCIAttrSet: OCI_ATTR_PASSWORD");
                        goto cleanup;
                }
        }

        /* Now fire up the session */
        H->last_err = OCISessionBegin(H->svc, H->err, H->session, OCI_CRED_RDBMS, OCI_DEFAULT);
        if (H->last_err) {
                oci_drv_error("OCISessionBegin");
                goto cleanup;
        }

        /* set the server handle into service handle */
        H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->session, 0, OCI_ATTR_SESSION, H->err);
        if (H->last_err) {
                oci_drv_error("OCIAttrSet: OCI_ATTR_SESSION");
                goto cleanup;
        }

        dbh->methods = &oci_methods;
        dbh->alloc_own_columns = 1;
        dbh->native_case = PDO_CASE_UPPER;

        ret = 1;

cleanup:
        for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
                if (vars[i].freeme) {
                        efree(vars[i].optval);
                }
        }

        if (!ret) {
                oci_handle_closer(dbh TSRMLS_CC);
        }

        return ret;
}
/* }}} */

pdo_driver_t pdo_oci_driver = {
        PDO_DRIVER_HEADER(oci),
        pdo_oci_handle_factory
};

static inline ub4 pdo_oci_sanitize_prefetch(long prefetch) /* {{{ */
{
        if (prefetch < 0) {
                prefetch = 0;
        } else if (prefetch > UB4MAXVAL / PDO_OCI_PREFETCH_ROWSIZE) {
                prefetch = PDO_OCI_PREFETCH_DEFAULT;
        }
        return ((ub4)prefetch);
}
/* }}} */


/*
 * 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
 */

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