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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: