1/* 2 +----------------------------------------------------------------------+ 3 | PHP Version 5 | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1997-2013 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 | Authors: Zeev Suraski <zeev@zend.com> | 16 | Tom May <tom@go2net.com> | 17 | Timm Friebe <php_sybase_ct@thekid.de> | 18 +----------------------------------------------------------------------+ 19 */ 20 21/* $Id$ */ 22 23 24#ifdef HAVE_CONFIG_H 25#include "config.h" 26#endif 27 28#include "php.h" 29#include "php_sybase_ct.h" 30#include "ext/standard/php_standard.h" 31#include "ext/standard/info.h" 32#include "php_globals.h" 33#include "php_ini.h" 34 35/* True globals, no need for thread safety */ 36static int le_link, le_plink, le_result; 37 38#if HAVE_SYBASE_CT 39 40ZEND_DECLARE_MODULE_GLOBALS(sybase) 41static PHP_GINIT_FUNCTION(sybase); 42static PHP_GSHUTDOWN_FUNCTION(sybase); 43 44/* {{{ arginfo */ 45ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_connect, 0, 0, 0) 46 ZEND_ARG_INFO(0, host) 47 ZEND_ARG_INFO(0, user) 48 ZEND_ARG_INFO(0, password) 49 ZEND_ARG_INFO(0, charset) 50 ZEND_ARG_INFO(0, appname) 51 ZEND_ARG_INFO(0, new) 52ZEND_END_ARG_INFO() 53 54ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_pconnect, 0, 0, 0) 55 ZEND_ARG_INFO(0, host) 56 ZEND_ARG_INFO(0, user) 57 ZEND_ARG_INFO(0, password) 58 ZEND_ARG_INFO(0, charset) 59 ZEND_ARG_INFO(0, appname) 60ZEND_END_ARG_INFO() 61 62ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_close, 0, 0, 0) 63 ZEND_ARG_INFO(0, link_id) 64ZEND_END_ARG_INFO() 65 66ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_select_db, 0, 0, 1) 67 ZEND_ARG_INFO(0, database) 68 ZEND_ARG_INFO(0, link_id) 69ZEND_END_ARG_INFO() 70 71ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_query, 0, 0, 1) 72 ZEND_ARG_INFO(0, query) 73 ZEND_ARG_INFO(0, link_id) 74ZEND_END_ARG_INFO() 75 76ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_unbuffered_query, 0, 0, 1) 77 ZEND_ARG_INFO(0, query) 78 ZEND_ARG_INFO(0, link_id) 79ZEND_END_ARG_INFO() 80 81ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_free_result, 0, 0, 1) 82 ZEND_ARG_INFO(0, result) 83ZEND_END_ARG_INFO() 84 85ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_get_last_message, 0, 0, 1) 86 ZEND_ARG_INFO(0, d) 87ZEND_END_ARG_INFO() 88 89ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_num_rows, 0, 0, 1) 90 ZEND_ARG_INFO(0, result) 91ZEND_END_ARG_INFO() 92 93ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_num_fields, 0, 0, 1) 94 ZEND_ARG_INFO(0, result) 95ZEND_END_ARG_INFO() 96 97ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_row, 0, 0, 1) 98 ZEND_ARG_INFO(0, result) 99ZEND_END_ARG_INFO() 100 101ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_object, 0, 0, 1) 102 ZEND_ARG_INFO(0, result) 103 ZEND_ARG_INFO(0, object) 104ZEND_END_ARG_INFO() 105 106ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_array, 0, 0, 1) 107 ZEND_ARG_INFO(0, result) 108ZEND_END_ARG_INFO() 109 110ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_assoc, 0, 0, 1) 111 ZEND_ARG_INFO(0, result) 112ZEND_END_ARG_INFO() 113 114ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_data_seek, 0, 0, 2) 115 ZEND_ARG_INFO(0, result) 116 ZEND_ARG_INFO(0, offset) 117ZEND_END_ARG_INFO() 118 119ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_field, 0, 0, 1) 120 ZEND_ARG_INFO(0, result) 121 ZEND_ARG_INFO(0, offset) 122ZEND_END_ARG_INFO() 123 124ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_field_seek, 0, 0, 2) 125 ZEND_ARG_INFO(0, result) 126 ZEND_ARG_INFO(0, offset) 127ZEND_END_ARG_INFO() 128 129ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_result, 0, 0, 3) 130 ZEND_ARG_INFO(0, result) 131 ZEND_ARG_INFO(0, row) 132 ZEND_ARG_INFO(0, field) 133ZEND_END_ARG_INFO() 134 135ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_affected_rows, 0, 0, 0) 136 ZEND_ARG_INFO(0, link_id) 137ZEND_END_ARG_INFO() 138 139ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_min_client_severity, 0, 0, 1) 140 ZEND_ARG_INFO(0, severity) 141ZEND_END_ARG_INFO() 142 143ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_min_server_severity, 0, 0, 1) 144 ZEND_ARG_INFO(0, severity) 145ZEND_END_ARG_INFO() 146 147ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_deadlock_retry_count, 0, 0, 1) 148 ZEND_ARG_INFO(0, retry_count) 149ZEND_END_ARG_INFO() 150 151ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_set_message_handler, 0, 0, 1) 152 ZEND_ARG_INFO(0, error_func) 153 ZEND_ARG_INFO(0, connection) 154ZEND_END_ARG_INFO() 155/* }}} */ 156 157const zend_function_entry sybase_functions[] = { 158 PHP_FE(sybase_connect, arginfo_sybase_connect) 159 PHP_FE(sybase_pconnect, arginfo_sybase_pconnect) 160 PHP_FE(sybase_close, arginfo_sybase_close) 161 PHP_FE(sybase_select_db, arginfo_sybase_select_db) 162 PHP_FE(sybase_query, arginfo_sybase_query) 163 PHP_FE(sybase_unbuffered_query, arginfo_sybase_unbuffered_query) 164 PHP_FE(sybase_free_result, arginfo_sybase_free_result) 165 PHP_FE(sybase_get_last_message, arginfo_sybase_get_last_message) 166 PHP_FE(sybase_num_rows, arginfo_sybase_num_rows) 167 PHP_FE(sybase_num_fields, arginfo_sybase_num_fields) 168 PHP_FE(sybase_fetch_row, arginfo_sybase_fetch_row) 169 PHP_FE(sybase_fetch_array, arginfo_sybase_fetch_array) 170 PHP_FE(sybase_fetch_assoc, arginfo_sybase_fetch_assoc) 171 PHP_FE(sybase_fetch_object, arginfo_sybase_fetch_object) 172 PHP_FE(sybase_data_seek, arginfo_sybase_data_seek) 173 PHP_FE(sybase_fetch_field, arginfo_sybase_fetch_field) 174 PHP_FE(sybase_field_seek, arginfo_sybase_field_seek) 175 PHP_FE(sybase_result, arginfo_sybase_result) 176 PHP_FE(sybase_affected_rows, arginfo_sybase_affected_rows) 177 PHP_FE(sybase_min_client_severity, arginfo_sybase_min_client_severity) 178 PHP_FE(sybase_min_server_severity, arginfo_sybase_min_server_severity) 179 PHP_FE(sybase_set_message_handler, arginfo_sybase_set_message_handler) 180 PHP_FE(sybase_deadlock_retry_count, arginfo_sybase_deadlock_retry_count) 181 182#if !defined(PHP_WIN32) && !defined(HAVE_MSSQL) 183 PHP_FALIAS(mssql_connect, sybase_connect, arginfo_sybase_connect) 184 PHP_FALIAS(mssql_pconnect, sybase_pconnect, arginfo_sybase_pconnect) 185 PHP_FALIAS(mssql_close, sybase_close, arginfo_sybase_close) 186 PHP_FALIAS(mssql_select_db, sybase_select_db, arginfo_sybase_select_db) 187 PHP_FALIAS(mssql_query, sybase_query, arginfo_sybase_query) 188 PHP_FALIAS(mssql_unbuffered_query, sybase_unbuffered_query, arginfo_sybase_unbuffered_query) 189 PHP_FALIAS(mssql_free_result, sybase_free_result, arginfo_sybase_free_result) 190 PHP_FALIAS(mssql_get_last_message, sybase_get_last_message, arginfo_sybase_get_last_message) 191 PHP_FALIAS(mssql_num_rows, sybase_num_rows, arginfo_sybase_num_rows) 192 PHP_FALIAS(mssql_num_fields, sybase_num_fields, arginfo_sybase_num_fields) 193 PHP_FALIAS(mssql_fetch_row, sybase_fetch_row, arginfo_sybase_fetch_row) 194 PHP_FALIAS(mssql_fetch_array, sybase_fetch_array, arginfo_sybase_fetch_array) 195 PHP_FALIAS(mssql_fetch_assoc, sybase_fetch_assoc, arginfo_sybase_fetch_assoc) 196 PHP_FALIAS(mssql_fetch_object, sybase_fetch_object, arginfo_sybase_fetch_object) 197 PHP_FALIAS(mssql_data_seek, sybase_data_seek, arginfo_sybase_data_seek) 198 PHP_FALIAS(mssql_fetch_field, sybase_fetch_field, arginfo_sybase_fetch_field) 199 PHP_FALIAS(mssql_field_seek, sybase_field_seek, arginfo_sybase_field_seek) 200 PHP_FALIAS(mssql_result, sybase_result, arginfo_sybase_result) 201 PHP_FALIAS(mssql_affected_rows, sybase_affected_rows, arginfo_sybase_affected_rows) 202 PHP_FALIAS(mssql_min_client_severity, sybase_min_client_severity, arginfo_sybase_min_client_severity) 203 PHP_FALIAS(mssql_min_server_severity, sybase_min_server_severity, arginfo_sybase_min_server_severity) 204 PHP_FALIAS(mssql_set_message_handler, sybase_set_message_handler, arginfo_sybase_set_message_handler) 205 PHP_FALIAS(mssql_deadlock_retry_count, sybase_deadlock_retry_count, arginfo_sybase_deadlock_retry_count) 206#endif 207 PHP_FE_END 208}; 209 210zend_module_entry sybase_module_entry = { 211 STANDARD_MODULE_HEADER, 212 "sybase_ct", 213 sybase_functions, 214 PHP_MINIT(sybase), 215 PHP_MSHUTDOWN(sybase), 216 PHP_RINIT(sybase), 217 PHP_RSHUTDOWN(sybase), 218 PHP_MINFO(sybase), 219 NO_VERSION_YET, 220 PHP_MODULE_GLOBALS(sybase), 221 PHP_GINIT(sybase), 222 PHP_GSHUTDOWN(sybase), 223 NULL, 224 STANDARD_MODULE_PROPERTIES_EX 225}; 226 227/* static CS_CONTEXT *context; */ 228 229#ifdef COMPILE_DL_SYBASE_CT 230ZEND_GET_MODULE(sybase) 231#endif 232 233ZEND_DECLARE_MODULE_GLOBALS(sybase) 234 235#define CHECK_LINK(link) { if (link==-1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: A link to the server could not be established"); RETURN_FALSE; } } 236 237 238static int _clean_invalid_results(zend_rsrc_list_entry *le TSRMLS_DC) 239{ 240 if (Z_TYPE_P(le) == le_result) { 241 sybase_link *sybase_ptr = ((sybase_result *) le->ptr)->sybase_ptr; 242 243 if (!sybase_ptr->valid) { 244 return 1; 245 } 246 } 247 return 0; 248} 249 250#define efree_n(x) { efree(x); x = NULL; } 251#define efree_if(x) if (x) efree_n(x) 252 253#ifdef PHP_SYBASE_DEBUG 254#define FREE_SYBASE_RESULT(result) \ 255 if (result) { \ 256 fprintf(stderr, "_free_sybase_result(%p) called from line #%d\n", result, __LINE__); \ 257 fflush(stderr); \ 258 _free_sybase_result(result); \ 259 result = NULL; \ 260 } 261#else 262#define FREE_SYBASE_RESULT(result) \ 263 if (result) { \ 264 _free_sybase_result(result); \ 265 result = NULL; \ 266 } 267#endif 268static void _free_sybase_result(sybase_result *result) 269{ 270 int i, j; 271 272 if (result->data) { 273 for (i = 0; i < (result->store ? result->num_rows : MIN(1, result->num_rows)); i++) { 274 for (j=0; j<result->num_fields; j++) { 275 zval_dtor(&result->data[i][j]); 276 } 277 efree(result->data[i]); 278 } 279 efree(result->data); 280 } 281 282 if (result->fields) { 283 for (i=0; i<result->num_fields; i++) { 284 STR_FREE(result->fields[i].name); 285 STR_FREE(result->fields[i].column_source); 286 } 287 efree(result->fields); 288 } 289 290 if (result->tmp_buffer) { 291 for (i=0; i<result->num_fields; i++) { 292 efree(result->tmp_buffer[i]); 293 } 294 efree(result->tmp_buffer); 295 } 296 297 efree_if(result->lengths); 298 efree_if(result->indicators); 299 efree_if(result->datafmt); 300 efree_if(result->numerics); 301 efree_if(result->types); 302 303 efree(result); 304} 305 306/* Forward declaration */ 307static int php_sybase_finish_results (sybase_result *result TSRMLS_DC); 308 309static void php_free_sybase_result(zend_rsrc_list_entry *rsrc TSRMLS_DC) 310{ 311 sybase_result *result = (sybase_result *)rsrc->ptr; 312 313 /* Check to see if we've read all rows */ 314 if (result->sybase_ptr && result->sybase_ptr->active_result_index) { 315 if (result->sybase_ptr->cmd) { 316 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); 317 } 318 php_sybase_finish_results(result TSRMLS_CC); 319 } 320 321 FREE_SYBASE_RESULT(result); 322} 323 324static void _close_sybase_link(zend_rsrc_list_entry *rsrc TSRMLS_DC) 325{ 326 sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr; 327 CS_INT con_status; 328 329 sybase_ptr->valid = 0; 330 if (sybase_ptr->callback_name != NULL) { 331 zval_ptr_dtor(&sybase_ptr->callback_name); 332 sybase_ptr->callback_name= NULL; 333 } 334 zend_hash_apply(&EG(regular_list), (apply_func_t) _clean_invalid_results TSRMLS_CC); 335 336 /* Non-persistent connections will always be connected or we wouldn't 337 * get here, but since we want to check the death status anyway 338 * we might as well double-check the connect status. 339 */ 340 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, 341 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { 342 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close"); 343 /* Assume the worst. */ 344 con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD; 345 } 346 if (con_status & CS_CONSTAT_CONNECTED) { 347 if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) { 348 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); 349 } 350 } 351 352 ct_cmd_drop(sybase_ptr->cmd); 353 ct_con_drop(sybase_ptr->connection); 354 efree(sybase_ptr); 355 SybCtG(num_links)--; 356} 357 358 359static void _close_sybase_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC) 360{ 361 sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr; 362 CS_INT con_status; 363 364 /* Persistent connections may have been closed before a failed 365 * reopen attempt. 366 */ 367 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, 368 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { 369 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close"); 370 /* Assume the worst. */ 371 con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD; 372 } 373 if (con_status & CS_CONSTAT_CONNECTED) { 374 if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) { 375 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); 376 } 377 } 378 379 ct_con_drop(sybase_ptr->connection); 380 free(sybase_ptr); 381 SybCtG(num_persistent)--; 382 SybCtG(num_links)--; 383} 384 385 386static CS_RETCODE CS_PUBLIC _client_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_CLIENTMSG *errmsg) 387{ 388 TSRMLS_FETCH(); 389 390 if (CS_SEVERITY(errmsg->msgnumber) >= SybCtG(min_client_severity)) { 391 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Client message: %s (severity %ld)", errmsg->msgstring, (long)CS_SEVERITY(errmsg->msgnumber)); 392 } 393 STR_FREE(SybCtG(server_message)); 394 SybCtG(server_message) = estrdup(errmsg->msgstring); 395 396 397 /* If this is a timeout message, return CS_FAIL to cancel the 398 * operation and mark the connection as dead. 399 */ 400 if (CS_SEVERITY(errmsg->msgnumber) == CS_SV_RETRY_FAIL && 401 CS_NUMBER(errmsg->msgnumber) == 63 && 402 CS_ORIGIN(errmsg->msgnumber) == 2 && 403 CS_LAYER(errmsg->msgnumber) == 1) 404 { 405 return CS_FAIL; 406 } 407 408 return CS_SUCCEED; 409} 410 411static int _call_message_handler(zval *callback_name, CS_SERVERMSG *srvmsg TSRMLS_DC) 412{ 413 int handled = 0; 414 zval *msgnumber, *severity, *state, *line, *text, *retval = NULL; 415 zval **args[5]; 416 417 /* Border case - empty fcall */ 418 if (NULL == callback_name) return 0; 419 420 /* Build arguments */ 421 MAKE_STD_ZVAL(msgnumber); 422 ZVAL_LONG(msgnumber, srvmsg->msgnumber); 423 args[0] = &msgnumber; 424 425 MAKE_STD_ZVAL(severity); 426 ZVAL_LONG(severity, srvmsg->severity); 427 args[1] = &severity; 428 429 MAKE_STD_ZVAL(state); 430 ZVAL_LONG(state, srvmsg->state); 431 args[2] = &state; 432 433 MAKE_STD_ZVAL(line); 434 ZVAL_LONG(line, srvmsg->line); 435 args[3] = &line; 436 437 MAKE_STD_ZVAL(text); 438 ZVAL_STRING(text, srvmsg->text, 1); 439 args[4] = &text; 440 441 if (call_user_function_ex(EG(function_table), NULL, callback_name, &retval, 5, args, 0, NULL TSRMLS_CC) == FAILURE) { 442 zval expr_copy; 443 int use_copy; 444 445 zend_make_printable_zval(callback_name, &expr_copy, &use_copy); 446 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot call the messagehandler %s", Z_STRVAL(expr_copy)); 447 zval_dtor(&expr_copy); 448 } 449 450 if (retval) { 451 handled = ((Z_TYPE_P(retval) != IS_BOOL) || (Z_BVAL_P(retval) != 0)); 452 zval_ptr_dtor(&retval); 453 } else { 454 handled = 0; 455 } 456 457 zval_ptr_dtor(&msgnumber); 458 zval_ptr_dtor(&severity); 459 zval_ptr_dtor(&state); 460 zval_ptr_dtor(&line); 461 zval_ptr_dtor(&text); 462 463 return handled; 464} 465 466static CS_RETCODE CS_PUBLIC _server_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_SERVERMSG *srvmsg) 467{ 468 sybase_link *sybase; 469 int handled = 0; 470 TSRMLS_FETCH(); 471 472 /* Remember the last server message in any case */ 473 STR_FREE(SybCtG(server_message)); 474 SybCtG(server_message) = estrdup(srvmsg->text); 475 476 /* Retrieve sybase link */ 477 if (ct_con_props(connection, CS_GET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL) != CS_SUCCEED) { 478 sybase = NULL; 479 } 480 481 /* If this is a deadlock message, set the connection's deadlock flag 482 * so we will retry the request. Sorry about the bare constant here, 483 * but it's not defined anywhere and it's a "well-known" number. 484 */ 485 if (sybase && (srvmsg->msgnumber == 1205)) { 486 sybase->deadlock = 1; 487 } 488 489 /* Check mininum server severity level */ 490 if (srvmsg->severity < SybCtG(min_server_severity)) { 491 return CS_SUCCEED; 492 } 493 494 /* Call global message handler */ 495 handled = handled | _call_message_handler(SybCtG(callback_name), srvmsg TSRMLS_CC); 496 497 /* Call link specific message handler */ 498 if (sybase) { 499 handled = handled | _call_message_handler(sybase->callback_name, srvmsg TSRMLS_CC); 500 } 501 502 /* Spit out a warning if neither of them has handled this message */ 503 if (!handled) { 504 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Server message: %s (severity %ld, procedure %s)", 505 srvmsg->text, (long)srvmsg->severity, ((srvmsg->proclen>0) ? srvmsg->proc : "N/A")); 506 } 507 508 return CS_SUCCEED; 509} 510 511 512PHP_INI_BEGIN() 513 STD_PHP_INI_BOOLEAN("sybct.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_persistent, zend_sybase_globals, sybase_globals) 514 STD_PHP_INI_ENTRY_EX("sybct.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_sybase_globals, sybase_globals, display_link_numbers) 515 STD_PHP_INI_ENTRY_EX("sybct.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_sybase_globals, sybase_globals, display_link_numbers) 516 STD_PHP_INI_ENTRY("sybct.min_server_severity", "10", PHP_INI_ALL, OnUpdateLong, min_server_severity, zend_sybase_globals, sybase_globals) 517 STD_PHP_INI_ENTRY("sybct.min_client_severity", "10", PHP_INI_ALL, OnUpdateLong, min_client_severity, zend_sybase_globals, sybase_globals) 518 STD_PHP_INI_ENTRY("sybct.login_timeout", "-1", PHP_INI_ALL, OnUpdateLong, login_timeout, zend_sybase_globals, sybase_globals) 519 STD_PHP_INI_ENTRY("sybct.hostname", NULL, PHP_INI_ALL, OnUpdateString, hostname, zend_sybase_globals, sybase_globals) 520 STD_PHP_INI_ENTRY_EX("sybct.deadlock_retry_count", "0", PHP_INI_ALL, OnUpdateLong, deadlock_retry_count, zend_sybase_globals, sybase_globals, display_link_numbers) 521PHP_INI_END() 522 523 524static PHP_GINIT_FUNCTION(sybase) 525{ 526 long opt; 527 528 if (cs_ctx_alloc(CTLIB_VERSION, &sybase_globals->context)!=CS_SUCCEED || ct_init(sybase_globals->context, CTLIB_VERSION)!=CS_SUCCEED) { 529 return; 530 } 531 532 /* Initialize message handlers */ 533 if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_SERVERMSG_CB, (CS_VOID *)_server_message_handler)!=CS_SUCCEED) { 534 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set server message handler"); 535 } 536 537 if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_CLIENTMSG_CB, (CS_VOID *)_client_message_handler)!=CS_SUCCEED) { 538 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set client message handler"); 539 } 540 541 /* Set datetime conversion format to "Nov 3 1998 8:06PM". 542 * This is the default format for the ct-lib that comes with 543 * Sybase ASE 11.5.1 for Solaris, but the Linux libraries that 544 * come with 11.0.3.3 default to "03/11/98" which is singularly 545 * useless. This levels the playing field for all platforms. 546 */ 547 { 548 CS_INT dt_convfmt = CS_DATES_SHORT; 549 if (cs_dt_info(sybase_globals->context, CS_SET, NULL, CS_DT_CONVFMT, CS_UNUSED, &dt_convfmt, sizeof(dt_convfmt), NULL)!=CS_SUCCEED) { 550 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set datetime conversion format"); 551 } 552 } 553 554 /* Set the timeout, which is per context and can't be set with 555 * ct_con_props(), so set it globally from the config value if 556 * requested. The default is CS_NO_LIMIT. 557 * 558 * Note that despite some noise in the documentation about using 559 * signals to implement timeouts, they are actually implemented 560 * by using poll() or select() on Solaris and Linux. 561 */ 562 if (cfg_get_long("sybct.timeout", &opt)==SUCCESS) { 563 CS_INT cs_timeout = opt; 564 if (ct_config(sybase_globals->context, CS_SET, CS_TIMEOUT, &cs_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) { 565 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update the timeout"); 566 } 567 } 568 569 sybase_globals->num_persistent=0; 570 sybase_globals->callback_name = NULL; 571} 572 573 574static PHP_GSHUTDOWN_FUNCTION(sybase) 575{ 576 ct_exit(sybase_globals->context, CS_UNUSED); 577 cs_ctx_drop(sybase_globals->context); 578} 579 580PHP_MINIT_FUNCTION(sybase) 581{ 582 REGISTER_INI_ENTRIES(); 583 584 le_link = zend_register_list_destructors_ex(_close_sybase_link, NULL, "sybase-ct link", module_number); 585 le_plink = zend_register_list_destructors_ex(NULL, _close_sybase_plink, "sybase-ct link persistent", module_number); 586 le_result = zend_register_list_destructors_ex(php_free_sybase_result, NULL, "sybase-ct result", module_number); 587 588 return SUCCESS; 589} 590 591 592 593PHP_RINIT_FUNCTION(sybase) 594{ 595 SybCtG(default_link)=-1; 596 SybCtG(num_links) = SybCtG(num_persistent); 597 SybCtG(appname) = estrndup("PHP " PHP_VERSION, sizeof("PHP " PHP_VERSION)); 598 SybCtG(server_message) = STR_EMPTY_ALLOC(); 599 return SUCCESS; 600} 601 602 603 604PHP_MSHUTDOWN_FUNCTION(sybase) 605{ 606 UNREGISTER_INI_ENTRIES(); 607#if 0 608 ct_exit(context, CS_UNUSED); 609 cs_ctx_drop(context); 610#endif 611 return SUCCESS; 612} 613 614 615PHP_RSHUTDOWN_FUNCTION(sybase) 616{ 617 efree(SybCtG(appname)); 618 SybCtG(appname) = NULL; 619 if (SybCtG(callback_name)) { 620 zval_ptr_dtor(&SybCtG(callback_name)); 621 SybCtG(callback_name)= NULL; 622 } 623 STR_FREE(SybCtG(server_message)); 624 SybCtG(server_message) = NULL; 625 return SUCCESS; 626} 627 628 629static int php_sybase_do_connect_internal(sybase_link *sybase, char *host, char *user, char *passwd, char *charset, char *appname TSRMLS_DC) 630{ 631 CS_LOCALE *tmp_locale; 632 long packetsize; 633 634 /* set a CS_CONNECTION record */ 635 if (ct_con_alloc(SybCtG(context), &sybase->connection)!=CS_SUCCEED) { 636 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate connection record"); 637 return 0; 638 } 639 640 /* Note - this saves a copy of sybase, not a pointer to it. */ 641 if (ct_con_props(sybase->connection, CS_SET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL)!=CS_SUCCEED) { 642 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set userdata"); 643 ct_con_drop(sybase->connection); 644 return 0; 645 } 646 647 if (user) { 648 ct_con_props(sybase->connection, CS_SET, CS_USERNAME, user, CS_NULLTERM, NULL); 649 } 650 if (passwd) { 651 ct_con_props(sybase->connection, CS_SET, CS_PASSWORD, passwd, CS_NULLTERM, NULL); 652 } 653 if (appname) { 654 ct_con_props(sybase->connection, CS_SET, CS_APPNAME, appname, CS_NULLTERM, NULL); 655 } else { 656 ct_con_props(sybase->connection, CS_SET, CS_APPNAME, SybCtG(appname), CS_NULLTERM, NULL); 657 } 658 659 if (SybCtG(hostname)) { 660 ct_con_props(sybase->connection, CS_SET, CS_HOSTNAME, SybCtG(hostname), CS_NULLTERM, NULL); 661 } 662 663 if (charset) { 664 if (cs_loc_alloc(SybCtG(context), &tmp_locale)!=CS_SUCCEED) { 665 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate locale information"); 666 } else { 667 if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_LC_ALL, NULL, CS_NULLTERM, NULL)!=CS_SUCCEED) { 668 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to load default locale data"); 669 } else { 670 if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_SYB_CHARSET, charset, CS_NULLTERM, NULL)!=CS_SUCCEED) { 671 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update character set"); 672 } else { 673 if (ct_con_props(sybase->connection, CS_SET, CS_LOC_PROP, tmp_locale, CS_UNUSED, NULL)!=CS_SUCCEED) { 674 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update connection properties"); 675 } 676 } 677 } 678 } 679 } 680 681 if (cfg_get_long("sybct.packet_size", &packetsize) == SUCCESS) { 682 if (ct_con_props(sybase->connection, CS_SET, CS_PACKETSIZE, (CS_VOID *)&packetsize, CS_UNUSED, NULL) != CS_SUCCEED) { 683 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update connection packetsize"); 684 } 685 } 686 687 /* Set the login timeout. Actually, the login timeout is per context 688 * and not per connection, but we will update the context here to 689 * allow for code such as the following: 690 * 691 * ini_set('sybct.login_timeout', $timeout); 692 * sybase_connect(...) 693 * 694 * Note that preceding calls to sybase_connect() will now use the 695 * updated value and not the default one! 696 * 697 * The default value for CS_LOGIN_TIMEOUT is 60 (1 minute). 698 */ 699 if (SybCtG(login_timeout) != -1) { 700 CS_INT cs_login_timeout = SybCtG(login_timeout); 701 if (ct_config(SybCtG(context), CS_SET, CS_LOGIN_TIMEOUT, &cs_login_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) { 702 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update the login timeout"); 703 } 704 } 705 706 sybase->valid = 1; 707 sybase->dead = 0; 708 sybase->active_result_index = 0; 709 sybase->callback_name = NULL; 710 711 /* create the link */ 712 if (ct_connect(sybase->connection, host, CS_NULLTERM)!=CS_SUCCEED) { 713 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to connect"); 714 ct_con_drop(sybase->connection); 715 return 0; 716 } 717 718 if (ct_cmd_alloc(sybase->connection, &sybase->cmd)!=CS_SUCCEED) { 719 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate command record"); 720 ct_close(sybase->connection, CS_UNUSED); 721 ct_con_drop(sybase->connection); 722 return 0; 723 } 724 725 return 1; 726} 727 728 729static void php_sybase_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent) 730{ 731 char *user = NULL, *passwd = NULL, *host = NULL, *charset = NULL, *appname = NULL; 732 char *hashed_details; 733 int hashed_details_length, len; 734 zend_bool new = 0; 735 sybase_link *sybase_ptr; 736 737 host= user= passwd= charset= appname= NULL; 738 if (persistent) { 739 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!s!s!", &host, &len, &user, &len, &passwd, &len, &charset, &len, &appname, &len) == FAILURE) { 740 return; 741 } 742 } else { 743 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!s!s!b", &host, &len, &user, &len, &passwd, &len, &charset, &len, &appname, &len, &new) == FAILURE) { 744 return; 745 } 746 } 747 hashed_details_length = spprintf( 748 &hashed_details, 749 0, 750 "sybase_%s_%s_%s_%s_%s", 751 host ? host : "", 752 user ? user : "", 753 passwd ? passwd : "", 754 charset ? charset : "", 755 appname ? appname : "" 756 ); 757 758 if (!SybCtG(allow_persistent)) { 759 persistent=0; 760 } 761 if (persistent) { 762 zend_rsrc_list_entry *le; 763 764 /* try to find if we already have this link in our persistent list */ 765 if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */ 766 zend_rsrc_list_entry new_le; 767 768 if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) { 769 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%ld)", SybCtG(num_links)); 770 efree(hashed_details); 771 RETURN_FALSE; 772 } 773 if (SybCtG(max_persistent)!=-1 && SybCtG(num_persistent)>=SybCtG(max_persistent)) { 774 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open persistent links (%ld)", SybCtG(num_persistent)); 775 efree(hashed_details); 776 RETURN_FALSE; 777 } 778 779 sybase_ptr = (sybase_link *) malloc(sizeof(sybase_link)); 780 if (!sybase_ptr) { 781 efree(hashed_details); 782 RETURN_FALSE; 783 } 784 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) { 785 free(sybase_ptr); 786 efree(hashed_details); 787 RETURN_FALSE; 788 } 789 790 /* hash it up */ 791 Z_TYPE(new_le) = le_plink; 792 new_le.ptr = sybase_ptr; 793 if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) { 794 ct_close(sybase_ptr->connection, CS_UNUSED); 795 ct_con_drop(sybase_ptr->connection); 796 free(sybase_ptr); 797 efree(hashed_details); 798 RETURN_FALSE; 799 } 800 SybCtG(num_persistent)++; 801 SybCtG(num_links)++; 802 } else { /* we do */ 803 CS_INT con_status; 804 805 if (Z_TYPE_P(le) != le_plink) { 806 efree(hashed_details); 807 RETURN_FALSE; 808 } 809 810 sybase_ptr = (sybase_link *) le->ptr; 811 812 /* If the link has died, close it and overwrite it with a new one. */ 813 814 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, 815 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { 816 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status"); 817 efree(hashed_details); 818 RETURN_FALSE; 819 } 820 if (!(con_status & CS_CONSTAT_CONNECTED) || (con_status & CS_CONSTAT_DEAD) || sybase_ptr->dead) { 821 sybase_link sybase; 822 823 if (con_status & CS_CONSTAT_CONNECTED) { 824 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); 825 } 826 /* Create a new connection, then replace the old 827 * connection. If we fail to create a new connection, 828 * put the old one back so there will be a connection, 829 * even if it is a non-functional one. This is because 830 * code may still be holding an id for this connection 831 * so we can't free the CS_CONNECTION. 832 * (This is actually totally hokey, it would be better 833 * to just ct_con_drop() the connection and set 834 * sybase_ptr->connection to NULL, then test it for 835 * NULL before trying to use it elsewhere . . .) 836 */ 837 memcpy(&sybase, sybase_ptr, sizeof(sybase_link)); 838 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) { 839 memcpy(sybase_ptr, &sybase, sizeof(sybase_link)); 840 efree(hashed_details); 841 RETURN_FALSE; 842 } 843 ct_con_drop(sybase.connection); /* drop old connection */ 844 } 845 } 846 ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_plink); 847 } else { /* non persistent */ 848 zend_rsrc_list_entry *index_ptr, new_index_ptr; 849 850 /* first we check the hash for the hashed_details key. if it exists, 851 * it should point us to the right offset where the actual sybase link sits. 852 * if it doesn't, open a new sybase link, add it to the resource list, 853 * and add a pointer to it with hashed_details as the key. 854 */ 855 if (!new && zend_hash_find(&EG(regular_list), hashed_details, hashed_details_length+1, (void **) &index_ptr)==SUCCESS) { 856 int type, link; 857 void *ptr; 858 859 if (Z_TYPE_P(index_ptr) != le_index_ptr) { 860 efree(hashed_details); 861 RETURN_FALSE; 862 } 863 link = (int) index_ptr->ptr; 864 ptr = zend_list_find(link, &type); /* check if the link is still there */ 865 if (ptr && (type==le_link || type==le_plink)) { 866 zend_list_addref(link); 867 Z_LVAL_P(return_value) = SybCtG(default_link) = link; 868 Z_TYPE_P(return_value) = IS_RESOURCE; 869 efree(hashed_details); 870 return; 871 } else { 872 zend_hash_del(&EG(regular_list), hashed_details, hashed_details_length+1); 873 } 874 } 875 if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) { 876 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%ld)", SybCtG(num_links)); 877 efree(hashed_details); 878 RETURN_FALSE; 879 } 880 881 sybase_ptr = (sybase_link *) emalloc(sizeof(sybase_link)); 882 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) { 883 efree(sybase_ptr); 884 efree(hashed_details); 885 RETURN_FALSE; 886 } 887 888 /* add it to the list */ 889 ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_link); 890 891 /* add it to the hash */ 892 new_index_ptr.ptr = (void *) Z_LVAL_P(return_value); 893 Z_TYPE(new_index_ptr) = le_index_ptr; 894 if (zend_hash_update(&EG(regular_list), hashed_details, hashed_details_length+1, (void *) &new_index_ptr, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) { 895 ct_close(sybase_ptr->connection, CS_UNUSED); 896 ct_con_drop(sybase_ptr->connection); 897 efree(sybase_ptr); 898 efree(hashed_details); 899 RETURN_FALSE; 900 } 901 SybCtG(num_links)++; 902 } 903 efree(hashed_details); 904 SybCtG(default_link)=Z_LVAL_P(return_value); 905 zend_list_addref(SybCtG(default_link)); 906} 907 908 909static int php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS) 910{ 911 if (SybCtG(default_link)==-1) { /* no link opened yet, implicitly open one */ 912 ht = 0; 913 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 914 } 915 return SybCtG(default_link); 916} 917 918 919/* {{{ proto int sybase_connect([string host [, string user [, string password [, string charset [, string appname [, bool new]]]]]]) 920 Open Sybase server connection */ 921PHP_FUNCTION(sybase_connect) 922{ 923 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 924} 925 926/* }}} */ 927 928/* {{{ proto int sybase_pconnect([string host [, string user [, string password [, string charset [, string appname]]]]]) 929 Open persistent Sybase connection */ 930PHP_FUNCTION(sybase_pconnect) 931{ 932 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); 933} 934 935/* }}} */ 936 937inline static int php_sybase_connection_id(zval *sybase_link_index, int *id TSRMLS_DC) 938{ 939 if (NULL == sybase_link_index) { 940 if (-1 == SybCtG(default_link)) { 941 return FAILURE; 942 } 943 *id = SybCtG(default_link); 944 } else { 945 *id = -1; /* explicit resource number */ 946 } 947 return SUCCESS; 948} 949 950/* {{{ proto bool sybase_close([resource link_id]) 951 Close Sybase connection */ 952PHP_FUNCTION(sybase_close) 953{ 954 zval *sybase_link_index = NULL; 955 sybase_link *sybase_ptr; 956 int id; 957 958 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &sybase_link_index) == FAILURE) { 959 return; 960 } 961 962 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) { 963 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection to close"); 964 RETURN_FALSE; 965 } 966 967 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink); 968 969 if (id == -1) { 970 zend_list_delete(Z_RESVAL_P(sybase_link_index)); 971 } 972 if (id != -1 || (sybase_link_index && Z_RESVAL_P(sybase_link_index) == SybCtG(default_link))) { 973 zend_list_delete(SybCtG(default_link)); 974 SybCtG(default_link) = -1; 975 } 976 977 RETURN_TRUE; 978} 979 980/* }}} */ 981 982 983static int exec_cmd(sybase_link *sybase_ptr, char *cmdbuf) 984{ 985 CS_RETCODE retcode; 986 CS_INT restype; 987 int failure=0; 988 989 /* Fail if we already marked this connection dead. */ 990 991 if (sybase_ptr->dead) { 992 return FAILURE; 993 } 994 995 /* 996 ** Get a command handle, store the command string in it, and 997 ** send it to the server. 998 */ 999 1000 if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, cmdbuf, CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) { 1001 sybase_ptr->dead = 1; 1002 return FAILURE; 1003 } 1004 if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) { 1005 sybase_ptr->dead = 1; 1006 return FAILURE; 1007 } 1008 1009 while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) { 1010 switch ((int) restype) { 1011 case CS_CMD_SUCCEED: 1012 case CS_CMD_DONE: 1013 break; 1014 1015 case CS_CMD_FAIL: 1016 failure=1; 1017 break; 1018 1019 case CS_STATUS_RESULT: 1020 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT); 1021 break; 1022 1023 default: 1024 failure=1; 1025 break; 1026 } 1027 if (failure) { 1028 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1029 return FAILURE; 1030 } 1031 } 1032 1033 switch (retcode) { 1034 case CS_END_RESULTS: 1035 return SUCCESS; 1036 break; 1037 1038 case CS_FAIL: 1039 /* Hopefully this either cleans up the connection, or the 1040 * connection ends up marked dead so it will be reopened 1041 * if it is persistent. We may want to do 1042 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the 1043 * doc for ct_results()==CS_FAIL. 1044 */ 1045 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1046 /* Don't take chances with the vagaries of ct-lib. Mark it 1047 * dead ourselves. 1048 */ 1049 sybase_ptr->dead = 1; 1050 return FAILURE; 1051 1052 default: 1053 return FAILURE; 1054 } 1055} 1056 1057 1058/* {{{ proto bool sybase_select_db(string database [, resource link_id]) 1059 Select Sybase database */ 1060PHP_FUNCTION(sybase_select_db) 1061{ 1062 zval *sybase_link_index = NULL; 1063 char *db, *cmdbuf; 1064 int id, len; 1065 sybase_link *sybase_ptr; 1066 1067 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &db, &len, &sybase_link_index) == FAILURE) { 1068 return; 1069 } 1070 1071 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) { 1072 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection"); 1073 RETURN_FALSE; 1074 } 1075 1076 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink); 1077 1078 spprintf(&cmdbuf, 4 + len + 1, "use %s", db); 1079 if (exec_cmd(sybase_ptr, cmdbuf) == FAILURE) { 1080 efree(cmdbuf); 1081 RETURN_FALSE; 1082 } else { 1083 efree(cmdbuf); 1084 RETURN_TRUE; 1085 } 1086} 1087 1088/* }}} */ 1089 1090static int php_sybase_finish_results(sybase_result *result TSRMLS_DC) 1091{ 1092 int i, fail; 1093 CS_RETCODE retcode; 1094 CS_INT restype; 1095 1096 efree_n(result->datafmt); 1097 efree_n(result->lengths); 1098 efree_n(result->indicators); 1099 efree_n(result->numerics); 1100 efree_n(result->types); 1101 for (i=0; i<result->num_fields; i++) { 1102 efree(result->tmp_buffer[i]); 1103 } 1104 efree_n(result->tmp_buffer); 1105 1106 /* Indicate we have read all rows */ 1107 result->sybase_ptr->active_result_index= 0; 1108 1109 /* The only restype we should get now is CS_CMD_DONE, possibly 1110 * followed by a CS_STATUS_RESULT/CS_CMD_SUCCEED/CS_CMD_DONE 1111 * sequence if the command was a stored procedure call. But we 1112 * still need to read and discard unexpected results. We might 1113 * want to return a failure in this case because the application 1114 * won't be getting all the results it asked for. 1115 */ 1116 fail = 0; 1117 while ((retcode = ct_results(result->sybase_ptr->cmd, &restype))==CS_SUCCEED) { 1118 switch ((int) restype) { 1119 case CS_CMD_SUCCEED: 1120 case CS_CMD_DONE: 1121 break; 1122 1123 case CS_CMD_FAIL: 1124 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Command failed, cancelling rest"); 1125 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); 1126 fail = 1; 1127 break; 1128 1129 case CS_COMPUTE_RESULT: 1130 case CS_CURSOR_RESULT: 1131 case CS_PARAM_RESULT: 1132 case CS_ROW_RESULT: 1133 /* Unexpected results, cancel them. */ 1134 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling current"); 1135 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_CURRENT); 1136 break; 1137 1138 case CS_STATUS_RESULT: 1139 /* Status result from a stored procedure, cancel it but do not tell user */ 1140 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_CURRENT); 1141 break; 1142 1143 default: 1144 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling all"); 1145 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); 1146 break; 1147 } 1148 1149 if (fail) { 1150 break; 1151 } 1152 } 1153 1154 switch (retcode) { 1155 case CS_END_RESULTS: 1156 /* Normal. */ 1157 break; 1158 1159 case CS_FAIL: 1160 /* Hopefully this either cleans up the connection, or the 1161 * connection ends up marked dead so it will be reopened 1162 * if it is persistent. We may want to do 1163 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the 1164 * doc for ct_results()==CS_FAIL. 1165 */ 1166 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); 1167 /* Don't take chances with the vagaries of ct-lib. Mark it 1168 * dead ourselves. 1169 */ 1170 result->sybase_ptr->dead = 1; 1171 1172 case CS_CANCELED: 1173 default: 1174 retcode = CS_FAIL; 1175 break; 1176 } 1177 1178 return retcode; 1179} 1180 1181#define RETURN_DOUBLE_VAL(result, buf, length) \ 1182 if ((length - 1) <= EG(precision)) { \ 1183 errno = 0; \ 1184 Z_DVAL(result) = zend_strtod(buf, NULL); \ 1185 if (errno != ERANGE) { \ 1186 Z_TYPE(result) = IS_DOUBLE; \ 1187 } else { \ 1188 ZVAL_STRINGL(&result, buf, length- 1, 1); \ 1189 } \ 1190 } else { \ 1191 ZVAL_STRINGL(&result, buf, length- 1, 1); \ 1192 } 1193 1194static int php_sybase_fetch_result_row(sybase_result *result, int numrows TSRMLS_DC) 1195{ 1196 int i, j; 1197 CS_INT retcode; 1198 1199 /* We've already fetched everything */ 1200 if (result->last_retcode == CS_END_DATA || result->last_retcode == CS_END_RESULTS) { 1201 return result->last_retcode; 1202 } 1203 1204 if (numrows!=-1) numrows+= result->num_rows; 1205 while ((retcode=ct_fetch(result->sybase_ptr->cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, NULL))==CS_SUCCEED || retcode == CS_ROW_FAIL) { 1206 result->num_rows++; 1207 i= result->store ? result->num_rows- 1 : 0; 1208 if (i >= result->blocks_initialized*SYBASE_ROWS_BLOCK) { 1209 result->data = (zval **) safe_erealloc(result->data, SYBASE_ROWS_BLOCK*(++result->blocks_initialized), sizeof(zval *), 0); 1210 } 1211 if (result->store || 1 == result->num_rows) { 1212 result->data[i] = (zval *) safe_emalloc(sizeof(zval), result->num_fields, 0); 1213 } 1214 1215 for (j = 0; j < result->num_fields; j++) { 1216 1217 /* If we are in non-storing mode, free the previous result */ 1218 if (!result->store && result->num_rows > 1 && Z_TYPE(result->data[i][j]) == IS_STRING) { 1219 efree(Z_STRVAL(result->data[i][j])); 1220 } 1221 1222 if (result->indicators[j] == -1) { /* null value */ 1223 ZVAL_NULL(&result->data[i][j]); 1224 } else { 1225 switch (result->numerics[j]) { 1226 case 1: { 1227 /* This indicates a long */ 1228 ZVAL_LONG(&result->data[i][j], strtol(result->tmp_buffer[j], NULL, 10)); 1229 break; 1230 } 1231 1232 case 2: { 1233 /* This indicates a float */ 1234 RETURN_DOUBLE_VAL(result->data[i][j], result->tmp_buffer[j], result->lengths[j]); 1235 break; 1236 } 1237 1238 case 3: { 1239 /* This indicates either a long or a float, which ever fits */ 1240 errno = 0; 1241 Z_LVAL(result->data[i][j]) = strtol(result->tmp_buffer[j], NULL, 10); 1242 if (errno == ERANGE) { 1243 1244 /* An overflow occurred, so try to fit it into a double */ 1245 RETURN_DOUBLE_VAL(result->data[i][j], result->tmp_buffer[j], result->lengths[j]); 1246 break; 1247 } 1248 Z_TYPE(result->data[i][j]) = IS_LONG; 1249 break; 1250 } 1251 1252 default: { 1253 /* This indicates anything else, return it as string 1254 * FreeTDS doesn't correctly set result->indicators[j] correctly 1255 * for NULL fields in some version in conjunction with ASE 12.5 1256 * but instead sets result->lengths[j] to 0, which would lead to 1257 * a negative memory allocation (and thus a segfault). 1258 */ 1259 if (result->lengths[j] < 1) { 1260 ZVAL_NULL(&result->data[i][j]); 1261 } else { 1262 ZVAL_STRINGL(&result->data[i][j], result->tmp_buffer[j], result->lengths[j]- 1, 1); 1263 } 1264 break; 1265 } 1266 } 1267 } 1268 } 1269 if (numrows!=-1 && result->num_rows>=numrows) break; 1270 } 1271 1272 if (retcode==CS_ROW_FAIL) { 1273 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Error reading row %d", result->num_rows); 1274 return retcode; 1275 } 1276 result->last_retcode= retcode; 1277 switch (retcode) { 1278 case CS_END_DATA: 1279 retcode = php_sybase_finish_results(result TSRMLS_CC); 1280 break; 1281 1282 case CS_ROW_FAIL: 1283 case CS_SUCCEED: 1284 break; 1285 1286 default: 1287 FREE_SYBASE_RESULT(result); 1288 result = NULL; 1289 retcode = CS_FAIL; /* Just to be sure */ 1290 break; 1291 } 1292 1293 return retcode; 1294} 1295 1296static sybase_result * php_sybase_fetch_result_set(sybase_link *sybase_ptr, int buffered, int store TSRMLS_DC) 1297{ 1298 int num_fields; 1299 sybase_result *result; 1300 int i, j; 1301 CS_INT retcode; 1302 1303 /* The following (if unbuffered) is more or less the equivalent of mysql_store_result(). 1304 * fetch all rows from the server into the row buffer, thus: 1305 * 1) Being able to fire up another query without explicitly reading all rows 1306 * 2) Having numrows accessible 1307 */ 1308 if (ct_res_info(sybase_ptr->cmd, CS_NUMDATA, &num_fields, CS_UNUSED, NULL)!=CS_SUCCEED) { 1309 return NULL; 1310 } 1311 1312 result = (sybase_result *) emalloc(sizeof(sybase_result)); 1313 result->data = (zval **) safe_emalloc(sizeof(zval *), SYBASE_ROWS_BLOCK, 0); 1314 result->fields = NULL; 1315 result->sybase_ptr = sybase_ptr; 1316 result->cur_field=result->cur_row=result->num_rows=0; 1317 result->num_fields = num_fields; 1318 result->last_retcode = 0; 1319 result->store= store; 1320 result->blocks_initialized= 1; 1321 result->tmp_buffer = (char **) safe_emalloc(sizeof(char *), num_fields, 0); 1322 result->lengths = (CS_INT *) safe_emalloc(sizeof(CS_INT), num_fields, 0); 1323 result->indicators = (CS_SMALLINT *) safe_emalloc(sizeof(CS_INT), num_fields, 0); 1324 result->datafmt = (CS_DATAFMT *) safe_emalloc(sizeof(CS_DATAFMT), num_fields, 0); 1325 result->numerics = (unsigned char *) safe_emalloc(sizeof(unsigned char), num_fields, 0); 1326 result->types = (CS_INT *) safe_emalloc(sizeof(CS_INT), num_fields, 0); 1327 1328 for (i=0; i<num_fields; i++) { 1329 ct_describe(sybase_ptr->cmd, i+1, &result->datafmt[i]); 1330 result->types[i] = result->datafmt[i].datatype; 1331 switch (result->datafmt[i].datatype) { 1332 case CS_CHAR_TYPE: 1333 case CS_VARCHAR_TYPE: 1334 case CS_TEXT_TYPE: 1335 case CS_IMAGE_TYPE: 1336 result->datafmt[i].maxlength++; 1337 result->numerics[i] = 0; 1338 break; 1339 case CS_BINARY_TYPE: 1340 case CS_VARBINARY_TYPE: 1341 result->datafmt[i].maxlength *= 2; 1342 result->datafmt[i].maxlength++; 1343 result->numerics[i] = 0; 1344 break; 1345 case CS_BIT_TYPE: 1346 case CS_TINYINT_TYPE: 1347 result->datafmt[i].maxlength = 4; 1348 result->numerics[i] = 1; 1349 break; 1350 case CS_SMALLINT_TYPE: 1351 result->datafmt[i].maxlength = 7; 1352 result->numerics[i] = 1; 1353 break; 1354 case CS_INT_TYPE: 1355 result->datafmt[i].maxlength = 12; 1356 result->numerics[i] = 1; 1357 break; 1358 case CS_REAL_TYPE: 1359 case CS_FLOAT_TYPE: 1360 result->datafmt[i].maxlength = 24; 1361 result->numerics[i] = 2; 1362 break; 1363 case CS_MONEY_TYPE: 1364 case CS_MONEY4_TYPE: 1365 result->datafmt[i].maxlength = 24; 1366 result->numerics[i] = 2; 1367 break; 1368 case CS_DATETIME_TYPE: 1369 case CS_DATETIME4_TYPE: 1370 result->datafmt[i].maxlength = 30; 1371 result->numerics[i] = 0; 1372 break; 1373 case CS_NUMERIC_TYPE: 1374 case CS_DECIMAL_TYPE: 1375 result->datafmt[i].maxlength = result->datafmt[i].precision + 3; 1376 /* numeric(10) vs numeric(10, 1) */ 1377 result->numerics[i] = (result->datafmt[i].scale == 0) ? 3 : 2; 1378 break; 1379 default: 1380 result->datafmt[i].maxlength++; 1381 result->numerics[i] = 0; 1382 break; 1383 } 1384 result->tmp_buffer[i] = (char *)emalloc(result->datafmt[i].maxlength); 1385 result->datafmt[i].datatype = CS_CHAR_TYPE; 1386 result->datafmt[i].format = CS_FMT_NULLTERM; 1387 ct_bind(sybase_ptr->cmd, i+1, &result->datafmt[i], result->tmp_buffer[i], &result->lengths[i], &result->indicators[i]); 1388 } 1389 1390 result->fields = (sybase_field *) safe_emalloc(sizeof(sybase_field), num_fields, 0); 1391 j=0; 1392 for (i=0; i<num_fields; i++) { 1393 char computed_buf[16]; 1394 1395 if (result->datafmt[i].namelen>0) { 1396 result->fields[i].name = estrndup(result->datafmt[i].name, result->datafmt[i].namelen); 1397 } else { 1398 if (j>0) { 1399 snprintf(computed_buf, 16, "computed%d", j); 1400 } else { 1401 strcpy(computed_buf, "computed"); 1402 } 1403 result->fields[i].name = estrdup(computed_buf); 1404 j++; 1405 } 1406 result->fields[i].column_source = STR_EMPTY_ALLOC(); 1407 result->fields[i].max_length = result->datafmt[i].maxlength-1; 1408 result->fields[i].numeric = result->numerics[i]; 1409 Z_TYPE(result->fields[i]) = result->types[i]; 1410 } 1411 1412 if (buffered) { 1413 retcode = CS_SUCCEED; 1414 } else { 1415 if ((retcode = php_sybase_fetch_result_row(result, -1 TSRMLS_CC)) == CS_FAIL) { 1416 return NULL; 1417 } 1418 } 1419 1420 result->last_retcode = retcode; 1421 return result; 1422} 1423 1424static void php_sybase_query (INTERNAL_FUNCTION_PARAMETERS, int buffered) 1425{ 1426 zval *sybase_link_index = NULL; 1427 zend_bool store = 1; 1428 char *query; 1429 int len, id, deadlock_count; 1430 sybase_link *sybase_ptr; 1431 sybase_result *result; 1432 CS_INT restype; 1433 CS_RETCODE retcode; 1434 enum { 1435 Q_RESULT, /* Success with results. */ 1436 Q_SUCCESS, /* Success but no results. */ 1437 Q_FAILURE, /* Failure, no results. */ 1438 } status; 1439 1440 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|rb", &query, &len, &sybase_link_index, &store) == FAILURE) { 1441 return; 1442 } 1443 1444 if (!store && !buffered) { 1445 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Cannot use non-storing mode with buffered queries"); 1446 store = 1; 1447 } 1448 1449 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) { 1450 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection"); 1451 RETURN_FALSE; 1452 } 1453 1454 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink); 1455 1456 /* Fail if we already marked this connection dead. */ 1457 if (sybase_ptr->dead) { 1458 RETURN_FALSE; 1459 } 1460 1461 /* Check to see if a previous sybase_unbuffered_query has read all rows */ 1462 if (sybase_ptr->active_result_index) { 1463 zval *tmp = NULL; 1464 1465 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Called without first fetching all rows from a previous unbuffered query"); 1466 if (sybase_ptr->cmd) { 1467 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1468 } 1469 1470 /* Get the resultset and free it */ 1471 ALLOC_ZVAL(tmp); 1472 Z_LVAL_P(tmp)= sybase_ptr->active_result_index; 1473 Z_TYPE_P(tmp)= IS_RESOURCE; 1474 INIT_PZVAL(tmp); 1475 ZEND_FETCH_RESOURCE(result, sybase_result *, &tmp, -1, "Sybase result", le_result); 1476 1477 if (result) { 1478 php_sybase_finish_results(result TSRMLS_CC); 1479 } 1480 1481 zval_ptr_dtor(&tmp); 1482 zend_list_delete(sybase_ptr->active_result_index); 1483 sybase_ptr->active_result_index= 0; 1484 } 1485 1486 /* Repeat until we don't deadlock. */ 1487 deadlock_count= 0; 1488 for (;;) { 1489 result = NULL; 1490 sybase_ptr->deadlock = 0; 1491 sybase_ptr->affected_rows = 0; 1492 1493 /* On Solaris 11.5, ct_command() can be moved outside the 1494 * loop, but not on Linux 11.0. 1495 */ 1496 if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, query, CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) { 1497 /* If this didn't work, the connection is screwed but 1498 * ct-lib might not set CS_CONSTAT_DEAD. So set our own 1499 * flag. This happens sometimes when the database is restarted 1500 * and/or its machine is rebooted, and ct_command() returns 1501 * CS_BUSY for some reason. 1502 */ 1503 sybase_ptr->dead = 1; 1504 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Connection is dead"); 1505 RETURN_FALSE; 1506 } 1507 1508 if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) { 1509 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1510 sybase_ptr->dead = 1; 1511 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot send command"); 1512 RETURN_FALSE; 1513 } 1514 1515 /* Use the first result set or succeed/fail status and discard the 1516 * others. Applications really shouldn't be making calls that 1517 * return multiple result sets, but if they do then we need to 1518 * properly read or cancel them or the connection will become 1519 * unusable. 1520 */ 1521 if (ct_results(sybase_ptr->cmd, &restype)!=CS_SUCCEED) { 1522 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1523 sybase_ptr->dead = 1; 1524 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot read results"); 1525 RETURN_FALSE; 1526 } 1527 switch ((int) restype) { 1528 case CS_CMD_FAIL: 1529 default: 1530 status = Q_FAILURE; 1531 break; 1532 case CS_CMD_SUCCEED: 1533 case CS_CMD_DONE: { 1534 CS_INT row_count; 1535 if (ct_res_info(sybase_ptr->cmd, CS_ROW_COUNT, &row_count, CS_UNUSED, NULL)==CS_SUCCEED) { 1536 sybase_ptr->affected_rows = (long)row_count; 1537 } 1538 } 1539 /* Fall through */ 1540 case CS_COMPUTEFMT_RESULT: 1541 case CS_ROWFMT_RESULT: 1542 case CS_DESCRIBE_RESULT: 1543 case CS_MSG_RESULT: 1544 buffered= 0; /* These queries have no need for buffering */ 1545 status = Q_SUCCESS; 1546 break; 1547 case CS_COMPUTE_RESULT: 1548 case CS_CURSOR_RESULT: 1549 case CS_PARAM_RESULT: 1550 case CS_ROW_RESULT: 1551 case CS_STATUS_RESULT: 1552 result = php_sybase_fetch_result_set(sybase_ptr, buffered, store TSRMLS_CC); 1553 if (result == NULL) { 1554 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1555 RETURN_FALSE; 1556 } 1557 status = Q_RESULT; 1558 break; 1559 } 1560 1561 /* Check for left-over results */ 1562 if (!buffered && status != Q_RESULT) { 1563 while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) { 1564 switch ((int) restype) { 1565 case CS_CMD_SUCCEED: 1566 case CS_CMD_DONE: 1567 break; 1568 1569 case CS_CMD_FAIL: 1570 status = Q_FAILURE; 1571 break; 1572 1573 case CS_COMPUTE_RESULT: 1574 case CS_CURSOR_RESULT: 1575 case CS_PARAM_RESULT: 1576 case CS_ROW_RESULT: 1577 if (status != Q_RESULT) { 1578 result = php_sybase_fetch_result_set(sybase_ptr, buffered, store TSRMLS_CC); 1579 if (result == NULL) { 1580 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1581 sybase_ptr->dead = 1; 1582 RETURN_FALSE; 1583 } 1584 status = Q_RESULT; 1585 retcode = result->last_retcode; 1586 } else { 1587 /* Unexpected results, cancel them. */ 1588 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT); 1589 } 1590 break; 1591 case CS_STATUS_RESULT: 1592 /* Unexpected results, cancel them. */ 1593 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT); 1594 break; 1595 1596 default: 1597 status = Q_FAILURE; 1598 break; 1599 } 1600 if (status == Q_FAILURE) { 1601 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1602 } 1603 if (retcode == CS_END_RESULTS) { 1604 break; 1605 } 1606 } 1607 switch (retcode) { 1608 case CS_END_RESULTS: 1609 /* Normal. */ 1610 break; 1611 1612 case CS_FAIL: 1613 /* Hopefully this either cleans up the connection, or the 1614 * connection ends up marked dead so it will be reopened 1615 * if it is persistent. We may want to do 1616 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the 1617 * doc for ct_results()==CS_FAIL. 1618 */ 1619 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); 1620 /* Don't take chances with the vagaries of ct-lib. Mark it 1621 * dead ourselves. 1622 */ 1623 sybase_ptr->dead = 1; 1624 case CS_CANCELED: 1625 default: 1626 status = Q_FAILURE; 1627 break; 1628 } 1629 } 1630 1631 /* Retry deadlocks up until deadlock_retry_count times */ 1632 if (sybase_ptr->deadlock && SybCtG(deadlock_retry_count) != -1 && ++deadlock_count > SybCtG(deadlock_retry_count)) { 1633 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Retried deadlock %d times [max: %ld], giving up", deadlock_count- 1, SybCtG(deadlock_retry_count)); 1634 FREE_SYBASE_RESULT(result); 1635 break; 1636 } 1637 1638 /* If query completed without deadlock, break out of the loop. 1639 * Sometimes deadlock results in failures and sometimes not, 1640 * it seems to depend on the server flavor. But we want to 1641 * retry all deadlocks. 1642 */ 1643 if (sybase_ptr->dead || sybase_ptr->deadlock == 0) { 1644 break; 1645 } 1646 1647 /* Get rid of any results we may have fetched. This happens: 1648 * e.g., our result set may be a stored procedure status which 1649 * is returned even if the stored procedure deadlocks. As an 1650 * optimization, we could try not to fetch results in known 1651 * deadlock conditions, but deadlock is (should be) rare. 1652 */ 1653 FREE_SYBASE_RESULT(result); 1654 } 1655 1656 if (status == Q_SUCCESS) { 1657 RETURN_TRUE; 1658 } 1659 1660 if (status == Q_FAILURE) { 1661 FREE_SYBASE_RESULT(result); 1662 RETURN_FALSE; 1663 } 1664 1665 /* Indicate we have data in case of buffered queries */ 1666 id= ZEND_REGISTER_RESOURCE(return_value, result, le_result); 1667 sybase_ptr->active_result_index= buffered ? id : 0; 1668} 1669 1670/* {{{ proto int sybase_query(string query [, resource link_id]) 1671 Send Sybase query */ 1672PHP_FUNCTION(sybase_query) 1673{ 1674 php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 1675} 1676/* }}} */ 1677 1678/* {{{ proto int sybase_unbuffered_query(string query [, resource link_id]) 1679 Send Sybase query */ 1680PHP_FUNCTION(sybase_unbuffered_query) 1681{ 1682 php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); 1683} 1684 1685/* {{{ proto bool sybase_free_result(resource result) 1686 Free result memory */ 1687PHP_FUNCTION(sybase_free_result) 1688{ 1689 zval *sybase_result_index = NULL; 1690 sybase_result *result; 1691 1692 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) { 1693 return; 1694 } 1695 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1696 1697 /* Did we fetch up until the end? */ 1698 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) { 1699 /* php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cancelling the rest of the results"); */ 1700 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); 1701 php_sybase_finish_results(result TSRMLS_CC); 1702 } 1703 1704 zend_list_delete(Z_LVAL_P(sybase_result_index)); 1705 RETURN_TRUE; 1706} 1707 1708/* }}} */ 1709 1710/* {{{ proto string sybase_get_last_message(void) 1711 Returns the last message from server (over min_message_severity) */ 1712PHP_FUNCTION(sybase_get_last_message) 1713{ 1714 RETURN_STRING(SybCtG(server_message), 1); 1715} 1716/* }}} */ 1717 1718/* {{{ proto int sybase_num_rows(resource result) 1719 Get number of rows in result */ 1720PHP_FUNCTION(sybase_num_rows) 1721{ 1722 zval *sybase_result_index = NULL; 1723 sybase_result *result; 1724 1725 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) { 1726 return; 1727 } 1728 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1729 1730 Z_LVAL_P(return_value) = result->num_rows; 1731 Z_TYPE_P(return_value) = IS_LONG; 1732} 1733 1734/* }}} */ 1735 1736/* {{{ proto int sybase_num_fields(resource result) 1737 Get number of fields in result */ 1738PHP_FUNCTION(sybase_num_fields) 1739{ 1740 zval *sybase_result_index = NULL; 1741 sybase_result *result; 1742 1743 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) { 1744 return; 1745 } 1746 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1747 1748 Z_LVAL_P(return_value) = result->num_fields; 1749 Z_TYPE_P(return_value) = IS_LONG; 1750} 1751 1752/* }}} */ 1753 1754/* {{{ proto array sybase_fetch_row(resource result) 1755 Get row as enumerated array */ 1756PHP_FUNCTION(sybase_fetch_row) 1757{ 1758 zval *sybase_result_index = NULL; 1759 int i; 1760 sybase_result *result; 1761 zval *field_content; 1762 1763 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) { 1764 return; 1765 } 1766 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1767 1768 /* Unbuffered? */ 1769 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) { 1770 php_sybase_fetch_result_row(result, 1 TSRMLS_CC); 1771 } 1772 1773 /* At the end? */ 1774 if (result->cur_row >= result->num_rows) { 1775 RETURN_FALSE; 1776 } 1777 1778 array_init(return_value); 1779 for (i=0; i<result->num_fields; i++) { 1780 ALLOC_ZVAL(field_content); 1781 *field_content = result->data[result->store ? result->cur_row : 0][i]; 1782 INIT_PZVAL(field_content); 1783 zval_copy_ctor(field_content); 1784 zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &field_content, sizeof(zval* ), NULL); 1785 } 1786 result->cur_row++; 1787} 1788 1789/* }}} */ 1790 1791static void php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int numerics) 1792{ 1793 zval *sybase_result_index = NULL; 1794 sybase_result *result; 1795 int i, j; 1796 zval *tmp; 1797 char name[32]; 1798 1799 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) { 1800 return; 1801 } 1802 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1803 1804 /* Unbuffered ? Fetch next row */ 1805 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) { 1806 php_sybase_fetch_result_row(result, 1 TSRMLS_CC); 1807 } 1808 1809 /* At the end? */ 1810 if (result->cur_row >= result->num_rows) { 1811 RETURN_FALSE; 1812 } 1813 1814 array_init(return_value); 1815 1816 j= 1; 1817 for (i=0; i<result->num_fields; i++) { 1818 ALLOC_ZVAL(tmp); 1819 *tmp = result->data[result->store ? result->cur_row : 0][i]; 1820 INIT_PZVAL(tmp); 1821 zval_copy_ctor(tmp); 1822 if (numerics) { 1823 zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &tmp, sizeof(zval *), NULL); 1824 Z_ADDREF_P(tmp); 1825 } 1826 1827 if (zend_hash_exists(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1)) { 1828 snprintf(name, 32, "%s%d", result->fields[i].name, j); 1829 result->fields[i].name= estrdup(name); 1830 j++; 1831 } 1832 zend_hash_update(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1, (void *) &tmp, sizeof(zval *), NULL); 1833 } 1834 result->cur_row++; 1835} 1836 1837 1838/* {{{ proto object sybase_fetch_object(resource result [, mixed object]) 1839 Fetch row as object */ 1840PHP_FUNCTION(sybase_fetch_object) 1841{ 1842 zval *object = NULL; 1843 zval *sybase_result_index = NULL; 1844 zend_class_entry *ce = NULL; 1845 sybase_result *result; 1846 1847 /* Was a second parameter given? */ 1848 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|z", &sybase_result_index, &object) == FAILURE) { 1849 return; 1850 } 1851 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1852 1853 ce = ZEND_STANDARD_CLASS_DEF_PTR; 1854 if (NULL != object) { 1855 switch (Z_TYPE_P(object)) { 1856 case IS_OBJECT: { 1857 ce = Z_OBJCE_P(object); 1858 break; 1859 } 1860 1861 case IS_NULL: { 1862 /* Use default (ZEND_STANDARD_CLASS_DEF_PTR) */ 1863 break; 1864 } 1865 1866 default: { 1867 zend_class_entry **pce = NULL; 1868 convert_to_string(object); 1869 1870 if (zend_lookup_class(Z_STRVAL_P(object), Z_STRLEN_P(object), &pce TSRMLS_CC) == FAILURE) { 1871 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Class %s has not been declared", Z_STRVAL_P(object)); 1872 /* Use default (ZEND_STANDARD_CLASS_DEF_PTR) */ 1873 } else { 1874 ce = *pce; 1875 } 1876 } 1877 } 1878 } 1879 1880 /* Reset no. of arguments to 1 so that we can use INTERNAL_FUNCTION_PARAM_PASSTHRU */ 1881 ht= 1; 1882 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 1883 if (Z_TYPE_P(return_value) == IS_ARRAY) { 1884 object_and_properties_init(return_value, ce, Z_ARRVAL_P(return_value)); 1885 } 1886} 1887/* }}} */ 1888 1889/* {{{ proto array sybase_fetch_array(resource result) 1890 Fetch row as array */ 1891PHP_FUNCTION(sybase_fetch_array) 1892{ 1893 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); 1894} 1895/* }}} */ 1896 1897/* {{{ proto array sybase_fetch_assoc(resource result) 1898 Fetch row as array without numberic indices */ 1899PHP_FUNCTION(sybase_fetch_assoc) 1900{ 1901 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 1902} 1903/* }}} */ 1904 1905/* {{{ proto bool sybase_data_seek(resource result, int offset) 1906 Move internal row pointer */ 1907PHP_FUNCTION(sybase_data_seek) 1908{ 1909 zval *sybase_result_index = NULL; 1910 long offset; 1911 sybase_result *result; 1912 1913 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &sybase_result_index, &offset) == FAILURE) { 1914 return; 1915 } 1916 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1917 1918 /* Unbuffered ? */ 1919 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS && offset >= result->num_rows) { 1920 php_sybase_fetch_result_row(result, offset+ 1 TSRMLS_CC); 1921 } 1922 1923 if (offset < 0 || offset >= result->num_rows) { 1924 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset %ld, must be betweem 0 and %d", offset, result->num_rows - 1); 1925 RETURN_FALSE; 1926 } 1927 1928 result->cur_row = offset; 1929 RETURN_TRUE; 1930} 1931/* }}} */ 1932 1933static char *php_sybase_get_field_name(CS_INT type) 1934{ 1935 switch (type) { 1936 case CS_CHAR_TYPE: 1937 case CS_VARCHAR_TYPE: 1938 case CS_TEXT_TYPE: 1939 return "string"; 1940 break; 1941 case CS_IMAGE_TYPE: 1942 return "image"; 1943 break; 1944 case CS_BINARY_TYPE: 1945 case CS_VARBINARY_TYPE: 1946 return "blob"; 1947 break; 1948 case CS_BIT_TYPE: 1949 return "bit"; 1950 break; 1951 case CS_TINYINT_TYPE: 1952 case CS_SMALLINT_TYPE: 1953 case CS_INT_TYPE: 1954 return "int"; 1955 break; 1956 case CS_REAL_TYPE: 1957 case CS_FLOAT_TYPE: 1958 case CS_NUMERIC_TYPE: 1959 case CS_DECIMAL_TYPE: 1960 return "real"; 1961 break; 1962 case CS_MONEY_TYPE: 1963 case CS_MONEY4_TYPE: 1964 return "money"; 1965 break; 1966 case CS_DATETIME_TYPE: 1967 case CS_DATETIME4_TYPE: 1968 return "datetime"; 1969 break; 1970 default: 1971 return "unknown"; 1972 break; 1973 } 1974} 1975 1976 1977/* {{{ proto object sybase_fetch_field(resource result [, int offset]) 1978 Get field information */ 1979PHP_FUNCTION(sybase_fetch_field) 1980{ 1981 zval *sybase_result_index = NULL; 1982 long field_offset = -1; 1983 sybase_result *result; 1984 1985 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &sybase_result_index, &field_offset) == FAILURE) { 1986 return; 1987 } 1988 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 1989 1990 if (field_offset == -1) { 1991 field_offset = result->cur_field; 1992 result->cur_field++; 1993 } 1994 1995 if (field_offset < 0 || field_offset >= result->num_fields) { 1996 if (ZEND_NUM_ARGS() == 2) { /* field specified explicitly */ 1997 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset"); 1998 } 1999 RETURN_FALSE; 2000 } 2001 2002 object_init(return_value); 2003 2004 add_property_string(return_value, "name", result->fields[field_offset].name, 1); 2005 add_property_long(return_value, "max_length", result->fields[field_offset].max_length); 2006 add_property_string(return_value, "column_source", result->fields[field_offset].column_source, 1); 2007 add_property_long(return_value, "numeric", result->fields[field_offset].numeric); 2008 add_property_string(return_value, "type", php_sybase_get_field_name(Z_TYPE(result->fields[field_offset])), 1); 2009} 2010/* }}} */ 2011 2012 2013/* {{{ proto bool sybase_field_seek(resource result, int offset) 2014 Set field offset */ 2015PHP_FUNCTION(sybase_field_seek) 2016{ 2017 zval *sybase_result_index = NULL; 2018 long field_offset; 2019 sybase_result *result; 2020 2021 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &sybase_result_index, &field_offset) == FAILURE) { 2022 return; 2023 } 2024 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 2025 2026 if (field_offset < 0 || field_offset >= result->num_fields) { 2027 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset"); 2028 RETURN_FALSE; 2029 } 2030 2031 result->cur_field = field_offset; 2032 RETURN_TRUE; 2033} 2034/* }}} */ 2035 2036 2037/* {{{ proto string sybase_result(resource result, int row, mixed field) 2038 Get result data */ 2039PHP_FUNCTION(sybase_result) 2040{ 2041 zval *field; 2042 zval *sybase_result_index = NULL; 2043 long row; 2044 int field_offset = 0; 2045 sybase_result *result; 2046 2047 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlz", &sybase_result_index, &row, &field) == FAILURE) { 2048 return; 2049 } 2050 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result); 2051 2052 /* Unbuffered ? */ 2053 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS && row >= result->num_rows) { 2054 php_sybase_fetch_result_row(result, row TSRMLS_CC); 2055 } 2056 2057 if (row < 0 || row >= result->num_rows) { 2058 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset (%ld)", row); 2059 RETURN_FALSE; 2060 } 2061 2062 switch(Z_TYPE_P(field)) { 2063 case IS_STRING: { 2064 int i; 2065 2066 for (i = 0; i < result->num_fields; i++) { 2067 if (strcasecmp(result->fields[i].name, Z_STRVAL_P(field)) == 0) { 2068 field_offset = i; 2069 break; 2070 } 2071 } 2072 if (i >= result->num_fields) { /* no match found */ 2073 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: %s field not found in result", Z_STRVAL_P(field)); 2074 RETURN_FALSE; 2075 } 2076 break; 2077 } 2078 default: 2079 convert_to_long(field); 2080 field_offset = Z_LVAL_P(field); 2081 if (field_offset < 0 || field_offset >= result->num_fields) { 2082 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset specified"); 2083 RETURN_FALSE; 2084 } 2085 break; 2086 } 2087 2088 *return_value = result->data[row][field_offset]; 2089 zval_copy_ctor(return_value); 2090} 2091/* }}} */ 2092 2093 2094/* {{{ proto int sybase_affected_rows([resource link_id]) 2095 Get number of affected rows in last query */ 2096PHP_FUNCTION(sybase_affected_rows) 2097{ 2098 zval *sybase_link_index = NULL; 2099 sybase_link *sybase_ptr; 2100 int id; 2101 2102 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &sybase_link_index) == FAILURE) { 2103 return; 2104 } 2105 2106 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) { 2107 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection"); 2108 RETURN_FALSE; 2109 } 2110 2111 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink); 2112 2113 Z_LVAL_P(return_value) = sybase_ptr->affected_rows; 2114 Z_TYPE_P(return_value) = IS_LONG; 2115} 2116/* }}} */ 2117 2118 2119PHP_MINFO_FUNCTION(sybase) 2120{ 2121 char buf[32]; 2122 2123 php_info_print_table_start(); 2124 php_info_print_table_header(2, "Sybase_CT Support", "enabled" ); 2125 snprintf(buf, sizeof(buf), "%ld", SybCtG(num_persistent)); 2126 php_info_print_table_row(2, "Active Persistent Links", buf); 2127 snprintf(buf, sizeof(buf), "%ld", SybCtG(num_links)); 2128 php_info_print_table_row(2, "Active Links", buf); 2129 snprintf(buf, sizeof(buf), "%ld", SybCtG(min_server_severity)); 2130 php_info_print_table_row(2, "Min server severity", buf); 2131 snprintf(buf, sizeof(buf), "%ld", SybCtG(min_client_severity)); 2132 php_info_print_table_row(2, "Min client severity", buf); 2133 php_info_print_table_row(2, "Application Name", SybCtG(appname)); 2134 snprintf(buf, sizeof(buf), "%ld", SybCtG(deadlock_retry_count)); 2135 php_info_print_table_row(2, "Deadlock retry count", buf); 2136 php_info_print_table_end(); 2137 2138 DISPLAY_INI_ENTRIES(); 2139} 2140 2141 2142/* {{{ proto void sybase_min_client_severity(int severity) 2143 Sets minimum client severity */ 2144PHP_FUNCTION(sybase_min_client_severity) 2145{ 2146 long severity; 2147 2148 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &severity) == FAILURE) { 2149 return; 2150 } 2151 2152 SybCtG(min_client_severity) = severity; 2153} 2154/* }}} */ 2155 2156 2157/* {{{ proto void sybase_min_server_severity(int severity) 2158 Sets minimum server severity */ 2159PHP_FUNCTION(sybase_min_server_severity) 2160{ 2161 long severity; 2162 2163 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &severity) == FAILURE) { 2164 return; 2165 } 2166 2167 SybCtG(min_server_severity) = severity; 2168} 2169/* }}} */ 2170 2171/* {{{ proto void sybase_deadlock_retry_count(int retry_count) 2172 Sets deadlock retry count */ 2173PHP_FUNCTION(sybase_deadlock_retry_count) 2174{ 2175 long retry_count; 2176 2177 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &retry_count) == FAILURE) { 2178 return; 2179 } 2180 2181 SybCtG(deadlock_retry_count) = retry_count; 2182} 2183/* }}} */ 2184 2185 2186/* {{{ proto bool sybase_set_message_handler(mixed error_func [, resource connection]) 2187 Set the error handler, to be called when a server message is raised. 2188 If error_func is NULL the handler will be deleted */ 2189PHP_FUNCTION(sybase_set_message_handler) 2190{ 2191 zend_fcall_info fci = empty_fcall_info; 2192 zend_fcall_info_cache cache = empty_fcall_info_cache; 2193 zval *sybase_link_index= NULL; 2194 sybase_link *sybase_ptr; 2195 zval **callback; 2196 int id; 2197 2198 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "f!|r", &fci, &cache, &sybase_link_index) == FAILURE) { 2199 return; 2200 } 2201 2202 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) { 2203 2204 /* Doesn't matter if we're not connected yet, use default */ 2205 callback= &SybCtG(callback_name); 2206 } else if (-1 == id) { 2207 2208 /* Connection-based message handler */ 2209 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink); 2210 callback= &sybase_ptr->callback_name; 2211 } else { 2212 2213 /* Default message handler */ 2214 callback= &SybCtG(callback_name); 2215 } 2216 2217 /* Clean old callback */ 2218 if (*callback) { 2219 zval_ptr_dtor(callback); 2220 *callback = NULL; 2221 } 2222 2223 if (ZEND_FCI_INITIALIZED(fci)) { 2224 ALLOC_ZVAL(*callback); 2225 **callback = *fci.function_name; 2226 INIT_PZVAL(*callback); 2227 zval_copy_ctor(*callback); 2228 } else { 2229 callback= NULL; 2230 } 2231 2232 RETURN_TRUE; 2233} 2234/* }}} */ 2235 2236 2237#endif 2238 2239/* 2240 * Local variables: 2241 * tab-width: 4 2242 * c-basic-offset: 4 2243 * End: 2244 */ 2245