Annotation of embedaddon/php/ext/pdo_dblib/dblib_driver.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Author: Wez Furlong <wez@php.net> |
! 16: | Frank M. Kromann <frank@kromann.info> |
! 17: +----------------------------------------------------------------------+
! 18: */
! 19:
! 20: /* $Id: dblib_driver.c 321634 2012-01-01 13:15:04Z felipe $ */
! 21:
! 22: #ifdef HAVE_CONFIG_H
! 23: # include "config.h"
! 24: #endif
! 25:
! 26: #include "php.h"
! 27: #include "php_ini.h"
! 28: #include "ext/standard/info.h"
! 29: #include "pdo/php_pdo.h"
! 30: #include "pdo/php_pdo_driver.h"
! 31: #include "php_pdo_dblib.h"
! 32: #include "php_pdo_dblib_int.h"
! 33: #include "zend_exceptions.h"
! 34:
! 35: static int dblib_fetch_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC)
! 36: {
! 37: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 38: pdo_dblib_err *einfo = &H->err;
! 39: pdo_dblib_stmt *S = NULL;
! 40: char *message;
! 41: char *msg;
! 42:
! 43: if (stmt) {
! 44: S = (pdo_dblib_stmt*)stmt->driver_data;
! 45: einfo = &S->err;
! 46: }
! 47:
! 48: if (einfo->dberr == SYBESMSG && einfo->lastmsg) {
! 49: msg = einfo->lastmsg;
! 50: } else if (einfo->dberr == SYBESMSG && DBLIB_G(err).lastmsg) {
! 51: msg = DBLIB_G(err).lastmsg;
! 52: DBLIB_G(err).lastmsg = NULL;
! 53: } else {
! 54: msg = einfo->dberrstr;
! 55: }
! 56:
! 57: spprintf(&message, 0, "%s [%d] (severity %d) [%s]",
! 58: msg, einfo->dberr, einfo->severity, stmt ? stmt->active_query_string : "");
! 59:
! 60: add_next_index_long(info, einfo->dberr);
! 61: add_next_index_string(info, message, 0);
! 62: add_next_index_long(info, einfo->oserr);
! 63: add_next_index_long(info, einfo->severity);
! 64: if (einfo->oserrstr) {
! 65: add_next_index_string(info, einfo->oserrstr, 1);
! 66: }
! 67:
! 68: return 1;
! 69: }
! 70:
! 71:
! 72: static int dblib_handle_closer(pdo_dbh_t *dbh TSRMLS_DC)
! 73: {
! 74: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 75:
! 76: if (H) {
! 77: if (H->link) {
! 78: dbclose(H->link);
! 79: H->link = NULL;
! 80: }
! 81: if (H->login) {
! 82: dbfreelogin(H->login);
! 83: H->login = NULL;
! 84: }
! 85: pefree(H, dbh->is_persistent);
! 86: dbh->driver_data = NULL;
! 87: }
! 88: return 0;
! 89: }
! 90:
! 91: static int dblib_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC)
! 92: {
! 93: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 94: pdo_dblib_stmt *S = ecalloc(1, sizeof(*S));
! 95:
! 96: S->H = H;
! 97: stmt->driver_data = S;
! 98: stmt->methods = &dblib_stmt_methods;
! 99: stmt->supports_placeholders = PDO_PLACEHOLDER_NONE;
! 100: S->err.sqlstate = stmt->error_code;
! 101:
! 102: return 1;
! 103: }
! 104:
! 105: static long dblib_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC)
! 106: {
! 107: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 108: RETCODE ret, resret;
! 109:
! 110: dbsetuserdata(H->link, (BYTE*)&H->err);
! 111:
! 112: if (FAIL == dbcmd(H->link, sql)) {
! 113: return -1;
! 114: }
! 115:
! 116: if (FAIL == dbsqlexec(H->link)) {
! 117: return -1;
! 118: }
! 119:
! 120: resret = dbresults(H->link);
! 121:
! 122: if (resret == FAIL) {
! 123: return -1;
! 124: }
! 125:
! 126: ret = dbnextrow(H->link);
! 127: if (ret == FAIL) {
! 128: return -1;
! 129: }
! 130:
! 131: if (dbnumcols(H->link) <= 0) {
! 132: return DBCOUNT(H->link);
! 133: }
! 134:
! 135: /* throw away any rows it might have returned */
! 136: dbcanquery(H->link);
! 137:
! 138: return DBCOUNT(H->link);
! 139: }
! 140:
! 141: static int dblib_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype TSRMLS_DC)
! 142: {
! 143: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 144: char *q;
! 145: int l = 1;
! 146:
! 147: *quoted = q = safe_emalloc(2, unquotedlen, 3);
! 148: *q++ = '\'';
! 149:
! 150: while (unquotedlen--) {
! 151: if (*unquoted == '\'') {
! 152: *q++ = '\'';
! 153: *q++ = '\'';
! 154: l += 2;
! 155: } else {
! 156: *q++ = *unquoted;
! 157: ++l;
! 158: }
! 159: unquoted++;
! 160: }
! 161:
! 162: *q++ = '\'';
! 163: *q++ = '\0';
! 164: *quotedlen = l+1;
! 165:
! 166: return 1;
! 167: }
! 168:
! 169: static struct pdo_dbh_methods dblib_methods = {
! 170: dblib_handle_closer,
! 171: dblib_handle_preparer,
! 172: dblib_handle_doer,
! 173: dblib_handle_quoter,
! 174: NULL,
! 175: NULL,
! 176: NULL,
! 177: NULL,
! 178: NULL, /* last insert */
! 179: dblib_fetch_error, /* fetch error */
! 180: NULL, /* get attr */
! 181: NULL, /* check liveness */
! 182: };
! 183:
! 184: static int pdo_dblib_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC)
! 185: {
! 186: pdo_dblib_db_handle *H;
! 187: int i, ret = 0;
! 188: struct pdo_data_src_parser vars[] = {
! 189: { "charset", NULL, 0 },
! 190: { "appname", "PHP " PDO_DBLIB_FLAVOUR, 0 },
! 191: { "host", "127.0.0.1", 0 },
! 192: { "dbname", NULL, 0 },
! 193: { "secure", NULL, 0 }, /* DBSETLSECURE */
! 194: /* TODO: DBSETLVERSION ? */
! 195: };
! 196:
! 197: php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 5);
! 198:
! 199: H = pecalloc(1, sizeof(*H), dbh->is_persistent);
! 200: H->login = dblogin();
! 201: H->err.sqlstate = dbh->error_code;
! 202:
! 203: if (!H->login) {
! 204: goto cleanup;
! 205: }
! 206:
! 207: if (dbh->username) {
! 208: DBSETLUSER(H->login, dbh->username);
! 209: }
! 210: if (dbh->password) {
! 211: DBSETLPWD(H->login, dbh->password);
! 212: }
! 213:
! 214: #if !PHP_DBLIB_IS_MSSQL
! 215: if (vars[0].optval) {
! 216: DBSETLCHARSET(H->login, vars[0].optval);
! 217: }
! 218: #endif
! 219:
! 220: DBSETLAPP(H->login, vars[1].optval);
! 221:
! 222: #if PHP_DBLIB_IS_MSSQL
! 223: dbprocerrhandle(H->login, (EHANDLEFUNC) error_handler);
! 224: dbprocmsghandle(H->login, (MHANDLEFUNC) msg_handler);
! 225: #endif
! 226:
! 227: H->link = dbopen(H->login, vars[2].optval);
! 228:
! 229: if (H->link == NULL) {
! 230: goto cleanup;
! 231: }
! 232:
! 233: /* dblib do not return more than this length from text/image */
! 234: DBSETOPT(H->link, DBTEXTLIMIT, "2147483647");
! 235:
! 236: /* limit text/image from network */
! 237: DBSETOPT(H->link, DBTEXTSIZE, "2147483647");
! 238:
! 239: if (vars[3].optval && FAIL == dbuse(H->link, vars[3].optval)) {
! 240: goto cleanup;
! 241: }
! 242:
! 243: ret = 1;
! 244: dbh->max_escaped_char_length = 2;
! 245: dbh->alloc_own_columns = 1;
! 246:
! 247: cleanup:
! 248: for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
! 249: if (vars[i].freeme) {
! 250: efree(vars[i].optval);
! 251: }
! 252: }
! 253:
! 254: dbh->methods = &dblib_methods;
! 255: dbh->driver_data = H;
! 256:
! 257: if (!ret) {
! 258: zend_throw_exception_ex(php_pdo_get_exception(), DBLIB_G(err).dberr TSRMLS_CC,
! 259: "SQLSTATE[%s] %s (severity %d)",
! 260: DBLIB_G(err).sqlstate,
! 261: DBLIB_G(err).dberrstr,
! 262: DBLIB_G(err).severity);
! 263: }
! 264:
! 265: return ret;
! 266: }
! 267:
! 268: pdo_driver_t pdo_dblib_driver = {
! 269: #if PDO_DBLIB_IS_MSSQL
! 270: PDO_DRIVER_HEADER(mssql),
! 271: #elif defined(PHP_WIN32)
! 272: PDO_DRIVER_HEADER(sybase),
! 273: #else
! 274: PDO_DRIVER_HEADER(dblib),
! 275: #endif
! 276: pdo_dblib_handle_factory
! 277: };
! 278:
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