Annotation of embedaddon/php/ext/pdo_dblib/dblib_driver.c, revision 1.1.1.2
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:
1.1.1.2 ! misho 20: /* $Id$ */
1.1 misho 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:
1.1.1.2 ! misho 169: static int pdo_dblib_transaction_cmd(const char *cmd, pdo_dbh_t *dbh TSRMLS_DC)
! 170: {
! 171: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 172: RETCODE ret;
! 173:
! 174: if (FAIL == dbcmd(H->link, cmd)) {
! 175: return 0;
! 176: }
! 177:
! 178: if (FAIL == dbsqlexec(H->link)) {
! 179: return 0;
! 180: }
! 181:
! 182: return 1;
! 183: }
! 184:
! 185: static int dblib_handle_begin(pdo_dbh_t *dbh TSRMLS_DC)
! 186: {
! 187: return pdo_dblib_transaction_cmd("BEGIN TRANSACTION", dbh TSRMLS_CC);
! 188: }
! 189:
! 190: static int dblib_handle_commit(pdo_dbh_t *dbh TSRMLS_DC)
! 191: {
! 192: return pdo_dblib_transaction_cmd("COMMIT TRANSACTION", dbh TSRMLS_CC);
! 193: }
! 194:
! 195: static int dblib_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC)
! 196: {
! 197: return pdo_dblib_transaction_cmd("ROLLBACK TRANSACTION", dbh TSRMLS_CC);
! 198: }
! 199:
! 200: char *dblib_handle_last_id(pdo_dbh_t *dbh, const char *name, unsigned int *len TSRMLS_DC)
! 201: {
! 202: pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
! 203:
! 204: RETCODE ret;
! 205: char *id = NULL;
! 206:
! 207: /*
! 208: * Would use scope_identity() but it's not implemented on Sybase
! 209: */
! 210:
! 211: if (FAIL == dbcmd(H->link, "SELECT @@IDENTITY")) {
! 212: return NULL;
! 213: }
! 214:
! 215: if (FAIL == dbsqlexec(H->link)) {
! 216: return NULL;
! 217: }
! 218:
! 219: ret = dbresults(H->link);
! 220: if (ret == FAIL || ret == NO_MORE_RESULTS) {
! 221: dbcancel(H->link);
! 222: return NULL;
! 223: }
! 224:
! 225: ret = dbnextrow(H->link);
! 226:
! 227: if (ret == FAIL || ret == NO_MORE_ROWS) {
! 228: dbcancel(H->link);
! 229: return NULL;
! 230: }
! 231:
! 232: if (dbdatlen(H->link, 1) == 0) {
! 233: dbcancel(H->link);
! 234: return NULL;
! 235: }
! 236:
! 237: id = emalloc(32);
! 238: *len = dbconvert(NULL, (dbcoltype(H->link, 1)) , (dbdata(H->link, 1)) , (dbdatlen(H->link, 1)), SQLCHAR, id, (DBINT)-1);
! 239:
! 240: dbcancel(H->link);
! 241: return id;
! 242: }
! 243:
1.1 misho 244: static struct pdo_dbh_methods dblib_methods = {
245: dblib_handle_closer,
246: dblib_handle_preparer,
247: dblib_handle_doer,
248: dblib_handle_quoter,
1.1.1.2 ! misho 249: dblib_handle_begin, /* begin */
! 250: dblib_handle_commit, /* commit */
! 251: dblib_handle_rollback, /* rollback */
! 252: NULL, /*set attr */
! 253: dblib_handle_last_id, /* last insert id */
1.1 misho 254: dblib_fetch_error, /* fetch error */
255: NULL, /* get attr */
256: NULL, /* check liveness */
1.1.1.2 ! misho 257: NULL, /* get driver methods */
! 258: NULL, /* request shutdown */
! 259: NULL /* in transaction */
1.1 misho 260: };
261:
262: static int pdo_dblib_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC)
263: {
264: pdo_dblib_db_handle *H;
265: int i, ret = 0;
266: struct pdo_data_src_parser vars[] = {
267: { "charset", NULL, 0 },
268: { "appname", "PHP " PDO_DBLIB_FLAVOUR, 0 },
269: { "host", "127.0.0.1", 0 },
270: { "dbname", NULL, 0 },
271: { "secure", NULL, 0 }, /* DBSETLSECURE */
272: /* TODO: DBSETLVERSION ? */
273: };
274:
275: php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 5);
276:
277: H = pecalloc(1, sizeof(*H), dbh->is_persistent);
278: H->login = dblogin();
279: H->err.sqlstate = dbh->error_code;
280:
281: if (!H->login) {
282: goto cleanup;
283: }
284:
285: if (dbh->username) {
286: DBSETLUSER(H->login, dbh->username);
287: }
288: if (dbh->password) {
289: DBSETLPWD(H->login, dbh->password);
290: }
291:
292: #if !PHP_DBLIB_IS_MSSQL
293: if (vars[0].optval) {
294: DBSETLCHARSET(H->login, vars[0].optval);
295: }
296: #endif
297:
298: DBSETLAPP(H->login, vars[1].optval);
299:
300: #if PHP_DBLIB_IS_MSSQL
301: dbprocerrhandle(H->login, (EHANDLEFUNC) error_handler);
302: dbprocmsghandle(H->login, (MHANDLEFUNC) msg_handler);
303: #endif
304:
305: H->link = dbopen(H->login, vars[2].optval);
306:
307: if (H->link == NULL) {
308: goto cleanup;
309: }
310:
311: /* dblib do not return more than this length from text/image */
312: DBSETOPT(H->link, DBTEXTLIMIT, "2147483647");
1.1.1.2 ! misho 313:
1.1 misho 314: /* limit text/image from network */
315: DBSETOPT(H->link, DBTEXTSIZE, "2147483647");
316:
1.1.1.2 ! misho 317: /* allow double quoted indentifiers */
! 318: DBSETOPT(H->link, DBQUOTEDIDENT, 1);
! 319:
1.1 misho 320: if (vars[3].optval && FAIL == dbuse(H->link, vars[3].optval)) {
321: goto cleanup;
322: }
323:
324: ret = 1;
325: dbh->max_escaped_char_length = 2;
326: dbh->alloc_own_columns = 1;
327:
328: cleanup:
329: for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
330: if (vars[i].freeme) {
331: efree(vars[i].optval);
332: }
333: }
334:
335: dbh->methods = &dblib_methods;
336: dbh->driver_data = H;
337:
338: if (!ret) {
339: zend_throw_exception_ex(php_pdo_get_exception(), DBLIB_G(err).dberr TSRMLS_CC,
340: "SQLSTATE[%s] %s (severity %d)",
341: DBLIB_G(err).sqlstate,
342: DBLIB_G(err).dberrstr,
343: DBLIB_G(err).severity);
344: }
345:
346: return ret;
347: }
348:
349: pdo_driver_t pdo_dblib_driver = {
350: #if PDO_DBLIB_IS_MSSQL
351: PDO_DRIVER_HEADER(mssql),
352: #elif defined(PHP_WIN32)
1.1.1.2 ! misho 353: #define PDO_DBLIB_IS_SYBASE
1.1 misho 354: PDO_DRIVER_HEADER(sybase),
355: #else
356: PDO_DRIVER_HEADER(dblib),
357: #endif
358: pdo_dblib_handle_factory
359: };
360:
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