FreeTDS API

tds.h
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1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3 * Copyright (C) 2010, 2011 Frediano Ziglio
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
19 */
20
21 #ifndef _tds_h_
22 #define _tds_h_
23
24 #ifndef _freetds_config_h_
25 #error should include config.h before
26 #endif
27
28 #include <stdarg.h>
29 #include <stdio.h>
30 #include <time.h>
31
32 #ifdef HAVE_STDDEF_H
33 #include <stddef.h>
34 #endif
35
36 #if HAVE_NETDB_H
37 #include <netdb.h>
38 #endif /* HAVE_NETDB_H */
39
40 #if HAVE_NETINET_IN_H
41 #include <netinet/in.h>
42 #endif /* HAVE_NET_INET_IN_H */
43 #if HAVE_ARPA_INET_H
44 #include <arpa/inet.h>
45 #endif /* HAVE_ARPA_INET_H */
46
47 #if HAVE_SYS_SOCKET_H
48 #include <sys/socket.h>
49 #endif /* HAVE_SYS_SOCKET_H */
50
51 /* forward declaration */
52 typedef struct tdsiconvinfo TDSICONV;
53 typedef struct tds_connection TDSCONNECTION;
54 typedef struct tds_socket TDSSOCKET;
55 typedef struct tds_column TDSCOLUMN;
56 typedef struct tds_bcpinfo TDSBCPINFO;
57
58 #include <freetds/version.h>
59 #include "tds_sysdep_public.h"
60 #include <freetds/sysdep_private.h>
61 #include <freetds/thread.h>
62 #include <freetds/bool.h>
63 #include <freetds/macros.h>
64 #include <freetds/utils/string.h>
65 #include "replacements.h"
66
67 #include <freetds/pushvis.h>
68
69 #ifdef __cplusplus
70 extern "C"
71 {
72 #if 0
73 }
74 #endif
75 #endif
76
82 typedef struct tds_compiletime_settings
83 {
84 const char *freetds_version; /* release version of FreeTDS */
85 const char *sysconfdir; /* location of freetds.conf */
86 const char *last_update; /* latest software_version date among the modules */
87 const char *tdsver; /* TDS protocol version (4.2/4.6/5.0/7.0/7.1) 5.0 */
88 bool msdblib; /* for MS style dblib */
89 bool sybase_compat; /* enable increased Open Client binary compatibility */
90 bool threadsafe; /* compile for thread safety default=no */
91 bool libiconv; /* search for libiconv in DIR/include and DIR/lib */
92 bool iodbc; /* build odbc driver against iODBC in DIR */
93 bool unixodbc; /* build odbc driver against unixODBC in DIR */
94 bool openssl; /* build against OpenSSL */
95 bool gnutls; /* build against GnuTLS */
96 bool mars; /* MARS enabled */
97 bool sspi; /* SSPI enabled */
98 bool kerberos; /* Kerberos enabled */
99 } TDS_COMPILETIME_SETTINGS;
100
116 /*
117 * All references to data that touch the wire should use the following typedefs.
118 *
119 * If you have problems on 64-bit machines and the code is
120 * using a native datatype, please change it to use
121 * these. (In the TDS layer only, the API layers have their
122 * own typedefs which equate to these).
123 */
124 typedef char TDS_CHAR; /* 8-bit char */
125 typedef uint8_t TDS_UCHAR; /* 8-bit uchar */
126 typedef uint8_t TDS_TINYINT; /* 8-bit unsigned */
127 typedef int16_t TDS_SMALLINT; /* 16-bit int */
128 typedef uint16_t TDS_USMALLINT; /* 16-bit unsigned */
129 typedef int32_t TDS_INT; /* 32-bit int */
130 typedef uint32_t TDS_UINT; /* 32-bit unsigned */
131 typedef int64_t TDS_INT8; /* 64-bit integer */
132 typedef uint64_t TDS_UINT8; /* 64-bit unsigned */
133 typedef intptr_t TDS_INTPTR;
134 typedef uintptr_t TDS_UINTPTR;
135 typedef tds_sysdep_real32_type TDS_REAL; /* 32-bit real */
136 typedef tds_sysdep_real64_type TDS_FLOAT; /* 64-bit real */
137
138 #include <freetds/proto.h>
139
140 #define TDS_INVALID_TYPE ((TDS_SERVER_TYPE) 0)
141
146 typedef struct
147 {
148 TDS_UINT8 time;
149 TDS_INT date;
150 TDS_SMALLINT offset;
151 TDS_USMALLINT time_prec:3;
152 TDS_USMALLINT _tds_reserved:10;
153 TDS_USMALLINT has_time:1;
154 TDS_USMALLINT has_date:1;
155 TDS_USMALLINT has_offset:1;
156 } TDS_DATETIMEALL;
157
159 typedef struct tdsdaterec
160 {
161 TDS_INT year;
162 TDS_INT quarter;
163 TDS_INT month;
164 TDS_INT day;
165 TDS_INT dayofyear;
166 TDS_INT weekday;
167 TDS_INT hour;
168 TDS_INT minute;
169 TDS_INT second;
170 TDS_INT decimicrosecond;
171 TDS_INT timezone;
172 } TDSDATEREC;
173
179 extern const int tds_numeric_bytes_per_prec[];
180
181 typedef int TDSRET;
182 #define TDS_NO_MORE_RESULTS ((TDSRET)1)
183 #define TDS_SUCCESS ((TDSRET)0)
184 #define TDS_FAIL ((TDSRET)-1)
185 #define TDS_CANCELLED ((TDSRET)-2)
186 #define TDS_FAILED(rc) ((rc)<0)
187 #define TDS_SUCCEED(rc) ((rc)>=0)
188 #define TDS_PROPAGATE(rc) \
189 do { TDSRET _tds_ret = (rc); if (TDS_FAILED(_tds_ret)) return _tds_ret; } while(0)
190
191 #define TDS_INT_CONTINUE 1
192 #define TDS_INT_CANCEL 2
193 #define TDS_INT_TIMEOUT 3
194
195
196 #define TDS_NO_COUNT -1
197
198 #define TDS_ROW_RESULT 4040
199 #define TDS_PARAM_RESULT 4042
200 #define TDS_STATUS_RESULT 4043
201 #define TDS_MSG_RESULT 4044
202 #define TDS_COMPUTE_RESULT 4045
203 #define TDS_CMD_DONE 4046
204 #define TDS_CMD_SUCCEED 4047
205 #define TDS_CMD_FAIL 4048
206 #define TDS_ROWFMT_RESULT 4049
207 #define TDS_COMPUTEFMT_RESULT 4050
208 #define TDS_DESCRIBE_RESULT 4051
209 #define TDS_DONE_RESULT 4052
210 #define TDS_DONEPROC_RESULT 4053
211 #define TDS_DONEINPROC_RESULT 4054
212 #define TDS_OTHERS_RESULT 4055
213
214 enum tds_token_results
215 {
216 TDS_TOKEN_RES_OTHERS,
217 TDS_TOKEN_RES_ROWFMT,
218 TDS_TOKEN_RES_COMPUTEFMT,
219 TDS_TOKEN_RES_PARAMFMT,
220 TDS_TOKEN_RES_DONE,
221 TDS_TOKEN_RES_ROW,
222 TDS_TOKEN_RES_COMPUTE,
223 TDS_TOKEN_RES_PROC,
224 TDS_TOKEN_RES_MSG,
225 TDS_TOKEN_RES_ENV,
226 };
227
228 #define TDS_TOKEN_FLAG(flag) TDS_RETURN_##flag = (1 << (TDS_TOKEN_RES_##flag*2)), TDS_STOPAT_##flag = (2 << (TDS_TOKEN_RES_##flag*2))
229
230 enum tds_token_flags
231 {
232 TDS_HANDLE_ALL = 0,
233 TDS_TOKEN_FLAG(OTHERS),
234 TDS_TOKEN_FLAG(ROWFMT),
235 TDS_TOKEN_FLAG(COMPUTEFMT),
236 TDS_TOKEN_FLAG(PARAMFMT),
237 TDS_TOKEN_FLAG(DONE),
238 TDS_TOKEN_FLAG(ROW),
239 TDS_TOKEN_FLAG(COMPUTE),
240 TDS_TOKEN_FLAG(PROC),
241 TDS_TOKEN_FLAG(MSG),
242 TDS_TOKEN_FLAG(ENV),
243 TDS_TOKEN_RESULTS = TDS_RETURN_ROWFMT|TDS_RETURN_COMPUTEFMT|TDS_RETURN_DONE|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_RETURN_PROC,
244 TDS_TOKEN_TRAILING = TDS_STOPAT_ROWFMT|TDS_STOPAT_COMPUTEFMT|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_STOPAT_MSG|TDS_STOPAT_OTHERS
245 };
246
250 enum tds_end
251 {
252 TDS_DONE_FINAL = 0x00
253 , TDS_DONE_MORE_RESULTS = 0x01
254 , TDS_DONE_ERROR = 0x02
255 , TDS_DONE_INXACT = 0x04
256 , TDS_DONE_PROC = 0x08
257 , TDS_DONE_COUNT = 0x10
258 , TDS_DONE_CANCELLED = 0x20
259 , TDS_DONE_EVENT = 0x40 /* part of an event notification. */
260 , TDS_DONE_SRVERROR = 0x100
262 /* after the above flags, a TDS_DONE packet has a field describing the state of the transaction */
263 , TDS_DONE_NO_TRAN = 0 /* No transaction in effect */
264 , TDS_DONE_TRAN_SUCCEED = 1 /* Transaction completed successfully */
265 , TDS_DONE_TRAN_PROGRESS= 2 /* Transaction in progress */
266 , TDS_DONE_STMT_ABORT = 3 /* A statement aborted */
267 , TDS_DONE_TRAN_ABORT = 4 /* Transaction aborted */
268 };
269
270
271 /*
272 * TDSERRNO is emitted by libtds to the client library's error handler
273 * (which may in turn call the client's error handler).
274 * These match the db-lib msgno, because the same values have the same meaning
275 * in db-lib and ODBC. ct-lib maps them to ct-lib numbers (todo).
276 */
277 typedef enum { TDSEOK = TDS_SUCCESS,
278 TDSEVERDOWN = 100,
279 TDSEINPROGRESS,
280 TDSEICONVIU = 2400,
281 TDSEICONVAVAIL = 2401,
282 TDSEICONVO = 2402,
283 TDSEICONVI = 2403,
284 TDSEICONV2BIG = 2404,
285 TDSEPORTINSTANCE = 2500,
286 TDSESYNC = 20001,
287 TDSEFCON = 20002,
288 TDSETIME = 20003,
289 TDSEREAD = 20004,
290 TDSEWRIT = 20006,
291 TDSESOCK = 20008,
292 TDSECONN = 20009,
293 TDSEMEM = 20010,
294 TDSEINTF = 20012, /* Server name not found in interface file */
295 TDSEUHST = 20013, /* Unknown host machine name. */
296 TDSEPWD = 20014,
297 TDSESEOF = 20017,
298 TDSERPND = 20019,
299 TDSEBTOK = 20020,
300 TDSEOOB = 20022,
301 TDSECLOS = 20056,
302 TDSEUSCT = 20058,
303 TDSEUTDS = 20146,
304 TDSEEUNR = 20185,
305 TDSECAP = 20203,
306 TDSENEG = 20210,
307 TDSEUMSG = 20212,
308 TDSECAPTYP = 20213,
309 TDSECONF = 20214,
310 TDSEBPROBADTYP = 20250,
311 TDSECLOSEIN = 20292
312 } TDSERRNO;
313
314
315 enum {
316 TDS_CUR_ISTAT_UNUSED = 0x00,
317 TDS_CUR_ISTAT_DECLARED = 0x01,
318 TDS_CUR_ISTAT_OPEN = 0x02,
319 TDS_CUR_ISTAT_CLOSED = 0x04,
320 TDS_CUR_ISTAT_RDONLY = 0x08,
321 TDS_CUR_ISTAT_UPDATABLE = 0x10,
322 TDS_CUR_ISTAT_ROWCNT = 0x20,
323 TDS_CUR_ISTAT_DEALLOC = 0x40
324 };
325
326 /* string types */
327 #define TDS_NULLTERM -9
328
329
330 typedef union tds_option_arg
331 {
332 TDS_TINYINT ti;
333 TDS_INT i;
334 TDS_CHAR *c;
335 } TDS_OPTION_ARG;
336
337
338 typedef enum tds_encryption_level {
339 TDS_ENCRYPTION_DEFAULT,
340 TDS_ENCRYPTION_OFF,
341 TDS_ENCRYPTION_REQUEST,
342 TDS_ENCRYPTION_REQUIRE
343 } TDS_ENCRYPTION_LEVEL;
344
345 /*
346 * TODO use system macros for optimization
347 * See mcrypt for reference and linux kernel source for optimization
348 * check if unaligned access and use fast write/read when implemented
349 */
350 #define TDS_BYTE_SWAP16(value) \
351 (((((uint16_t)value)<<8) & 0xFF00u) | \
352 ((((uint16_t)value)>>8) & 0x00FFu))
353
354 #define TDS_BYTE_SWAP32(value) \
355 (((((uint32_t)value)<<24) & 0xFF000000u)| \
356 ((((uint32_t)value)<< 8) & 0x00FF0000u)| \
357 ((((uint32_t)value)>> 8) & 0x0000FF00u)| \
358 ((((uint32_t)value)>>24) & 0x000000FFu))
359
360 #define is_end_token(x) ((x) >= TDS_DONE_TOKEN && (x) <= TDS_DONEINPROC_TOKEN)
361
362 enum {
363 TDS_TYPEFLAG_INVALID = 0,
364 TDS_TYPEFLAG_NULLABLE = 1,
365 TDS_TYPEFLAG_FIXED = 2,
366 TDS_TYPEFLAG_VARIABLE = 4,
367 TDS_TYPEFLAG_COLLATE = 8,
368 TDS_TYPEFLAG_ASCII = 16,
369 TDS_TYPEFLAG_UNICODE = 32,
370 TDS_TYPEFLAG_BINARY = 64,
371 TDS_TYPEFLAG_DATETIME = 128,
372 TDS_TYPEFLAG_NUMERIC = 256,
373 TDS_TYPEFLAG_VARIANT = 512,
374 };
375
376 extern const uint16_t tds_type_flags_ms[256];
377 #if 0
378 extern const uint16_t tds_type_flags_syb[256];
379 extern const char *const tds_type_names[256];
380 #endif
381
382 #define is_fixed_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_FIXED) != 0)
383 #define is_nullable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_NULLABLE) != 0)
384 #define is_variable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIABLE) != 0)
385 #define is_variant_inner_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIANT) != 0)
386
387
388 #define is_blob_type(x) ((x)==SYBTEXT || (x)==SYBIMAGE || (x)==SYBNTEXT)
389 #define is_blob_col(x) ((x)->column_varint_size > 2)
390 /* large type means it has a two byte size field */
391 /* define is_large_type(x) (x>128) */
392 #define is_numeric_type(x) ((x)==SYBNUMERIC || (x)==SYBDECIMAL)
393
394 #define is_datetime_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_DATETIME) != 0)
395 #define is_unicode_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_UNICODE) != 0)
396 #define is_collate_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_COLLATE) != 0)
397 #define is_ascii_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_ASCII) != 0)
398 #define is_binary_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_BINARY) != 0)
399 #define is_char_type(x) ((tds_type_flags_ms[x] & (TDS_TYPEFLAG_ASCII|TDS_TYPEFLAG_UNICODE)) != 0)
400 #define is_similar_type(x, y) (is_char_type(x) && is_char_type(y))
401 static inline
402 bool is_tds_type_valid(int type)
403 {
404 return (unsigned) type < 256u && tds_type_flags_ms[type] != 0;
405 }
406
407
408 #define TDS_MAX_CAPABILITY 32
409 #define MAXPRECISION 77
410 #define TDS_MAX_CONN 4096
411 #define TDS_MAX_DYNID_LEN 30
412
413 /* defaults to use if no others are found */
414 #define TDS_DEF_SERVER "SYBASE"
415 #define TDS_DEF_BLKSZ 512
416 #define TDS_DEF_CHARSET "iso_1"
417 #define TDS_DEF_LANG "us_english"
418 #if TDS50
419 #define TDS_DEFAULT_VERSION 0x500
420 #define TDS_DEF_PORT 4000
421 #elif TDS71
422 #define TDS_DEFAULT_VERSION 0x701
423 #define TDS_DEF_PORT 1433
424 #elif TDS72
425 #define TDS_DEFAULT_VERSION 0x702
426 #define TDS_DEF_PORT 1433
427 #elif TDS73
428 #define TDS_DEFAULT_VERSION 0x703
429 #define TDS_DEF_PORT 1433
430 #elif TDS74
431 #define TDS_DEFAULT_VERSION 0x704
432 #define TDS_DEF_PORT 1433
433 #else
434 #define TDS_DEFAULT_VERSION 0x000
435 #define TDS_DEF_PORT 1433
436 #endif
437
438 /* normalized strings from freetds.conf file */
439 #define TDS_STR_VERSION "tds version"
440 #define TDS_STR_BLKSZ "initial block size"
441 #define TDS_STR_SWAPDT "swap broken dates"
442 #define TDS_STR_DUMPFILE "dump file"
443 #define TDS_STR_DEBUGLVL "debug level"
444 #define TDS_STR_DEBUGFLAGS "debug flags"
445 #define TDS_STR_TIMEOUT "timeout"
446 #define TDS_STR_QUERY_TIMEOUT "query timeout"
447 #define TDS_STR_CONNTIMEOUT "connect timeout"
448 #define TDS_STR_HOSTNAME "hostname"
449 #define TDS_STR_HOST "host"
450 #define TDS_STR_PORT "port"
451 #define TDS_STR_TEXTSZ "text size"
452 /* for big endian hosts, obsolete, ignored */
453 #define TDS_STR_EMUL_LE "emulate little endian"
454 #define TDS_STR_CHARSET "charset"
455 #define TDS_STR_CLCHARSET "client charset"
456 #define TDS_STR_USE_UTF_16 "use utf-16"
457 #define TDS_STR_LANGUAGE "language"
458 #define TDS_STR_APPENDMODE "dump file append"
459 #define TDS_STR_DATEFMT "date format"
460 #define TDS_STR_INSTANCE "instance"
461 #define TDS_STR_ASA_DATABASE "asa database"
462 #define TDS_STR_DATABASE "database"
463 #define TDS_STR_ENCRYPTION "encryption"
464 #define TDS_STR_USENTLMV2 "use ntlmv2"
465 #define TDS_STR_USELANMAN "use lanman"
466 /* conf values */
467 #define TDS_STR_ENCRYPTION_OFF "off"
468 #define TDS_STR_ENCRYPTION_REQUEST "request"
469 #define TDS_STR_ENCRYPTION_REQUIRE "require"
470 /* Defines to enable optional GSSAPI delegation */
471 #define TDS_GSSAPI_DELEGATION "enable gssapi delegation"
472 /* Mutual authentication */
473 #define TDS_STR_MUTUAL_AUTHENTICATION "mutual authentication"
474 /* Kerberos realm name */
475 #define TDS_STR_REALM "realm"
476 /* Kerberos SPN */
477 #define TDS_STR_SPN "spn"
478 /* CA file */
479 #define TDS_STR_CAFILE "ca file"
480 /* CRL file */
481 #define TDS_STR_CRLFILE "crl file"
482 /* check SSL hostname */
483 #define TDS_STR_CHECKSSLHOSTNAME "check certificate hostname"
484 /* database filename to attach on login (MSSQL) */
485 #define TDS_STR_DBFILENAME "database filename"
486 /* Application Intent MSSQL 2012 support */
487 #define TDS_STR_READONLY_INTENT "read-only intent"
488 /* configurable cipher suite to send to openssl's SSL_set_cipher_list() function */
489 #define TLS_STR_OPENSSL_CIPHERS "openssl ciphers"
490 /* enable old TLS v1, required for instance if you are using a really old Windows XP */
491 #define TDS_STR_ENABLE_TLS_V1 "enable tls v1"
492
493
494 /* TODO do a better check for alignment than this */
495 typedef union
496 {
497 void *p;
498 int i;
499 int64_t ui;
500 } tds_align_struct;
501
502 #define TDS_ALIGN_SIZE sizeof(tds_align_struct)
503
504 typedef struct tds_capability_type
505 {
506 unsigned char type;
507 unsigned char len; /* always sizeof(values) */
508 unsigned char values[TDS_MAX_CAPABILITY/2-2];
509 } TDS_CAPABILITY_TYPE;
510
511 typedef struct tds_capabilities
512 {
513 TDS_CAPABILITY_TYPE types[2];
514 } TDS_CAPABILITIES;
515
516 #define TDS_MAX_LOGIN_STR_SZ 128
517 typedef struct tds_login
518 {
519 DSTR server_name;
520 int port;
521 TDS_USMALLINT tds_version;
522 int block_size;
523 DSTR language; /* e.g. us-english */
524 DSTR server_charset;
525 TDS_INT connect_timeout;
526 DSTR client_host_name;
527 DSTR server_host_name;
528 DSTR server_realm_name;
529 DSTR server_spn;
530 DSTR db_filename;
531 DSTR cafile;
532 DSTR crlfile;
533 DSTR openssl_ciphers;
534 DSTR app_name;
535 DSTR user_name;
536 DSTR password;
537 DSTR new_password;
539 DSTR library; /* Ct-Library, DB-Library, TDS-Library or ODBC */
540 TDS_TINYINT encryption_level;
541
542 TDS_INT query_timeout;
543 TDS_CAPABILITIES capabilities;
544 DSTR client_charset;
545 DSTR database;
546
547 struct addrinfo *ip_addrs;
548 DSTR instance_name;
549 DSTR dump_file;
550 int debug_flags;
551 int text_size;
552 DSTR routing_address;
553 uint16_t routing_port;
554
555 unsigned char option_flag2;
556
557 unsigned int bulk_copy:1;
558 unsigned int suppress_language:1;
559 unsigned int gssapi_use_delegation:1;
560 unsigned int mutual_authentication:1;
561 unsigned int use_ntlmv2:1;
562 unsigned int use_ntlmv2_specified:1;
563 unsigned int use_lanman:1;
564 unsigned int mars:1;
565 unsigned int use_utf16:1;
566 unsigned int use_new_password:1;
567 unsigned int valid_configuration:1;
568 unsigned int check_ssl_hostname:1;
569 unsigned int readonly_intent:1;
570 unsigned int enable_tls_v1:1;
571 unsigned int server_is_valid:1;
572 } TDSLOGIN;
573
574 typedef struct tds_headers
575 {
576 const char *qn_options;
577 const char *qn_msgtext;
578 TDS_INT qn_timeout;
579 /* TDS 7.4+: trace activity ID char[20] */
580 } TDSHEADERS;
581
582 typedef struct tds_locale
583 {
584 char *language;
585 char *server_charset;
586 char *date_fmt;
587 } TDSLOCALE;
588
593 typedef struct tds_blob
594 {
595 TDS_CHAR *textvalue;
596 TDS_CHAR textptr[16];
597 TDS_CHAR timestamp[8];
598 unsigned char valid_ptr;
599 } TDSBLOB;
600
604 typedef struct tds_variant
605 {
606 /* this MUST have same position and place of textvalue in tds_blob */
607 TDS_CHAR *data;
608 TDS_INT size;
609 TDS_INT data_len;
610 TDS_SERVER_TYPE type;
611 TDS_UCHAR collation[5];
612 } TDSVARIANT;
613
618 typedef struct tds_encoding
619 {
621 const char *name;
622 unsigned char min_bytes_per_char;
623 unsigned char max_bytes_per_char;
625 unsigned char canonic;
626 } TDS_ENCODING;
627
628 typedef struct tds_bcpcoldata
629 {
630 TDS_UCHAR *data;
631 TDS_INT datalen;
632 TDS_INT is_null;
633 } BCPCOLDATA;
634
635
636 typedef TDSRET tds_func_get_info(TDSSOCKET *tds, TDSCOLUMN *col);
637 typedef TDSRET tds_func_get_data(TDSSOCKET *tds, TDSCOLUMN *col);
638 typedef TDS_INT tds_func_row_len(TDSCOLUMN *col);
639 typedef TDSRET tds_func_put_info(TDSSOCKET *tds, TDSCOLUMN *col);
640 typedef TDSRET tds_func_put_data(TDSSOCKET *tds, TDSCOLUMN *col, int bcp7);
641 typedef int tds_func_check(const TDSCOLUMN *col);
642
643 typedef struct tds_column_funcs
644 {
645 tds_func_get_info *get_info;
646 tds_func_get_data *get_data;
647 tds_func_row_len *row_len;
653 tds_func_put_info *put_info;
663 tds_func_put_data *put_data;
664 #if ENABLE_EXTRA_CHECKS
665
679 tds_func_check *check;
680 #endif
681 #if 0
682 TDSRET (*convert)(TDSSOCKET *tds, TDSCOLUMN *col);
683 #endif
684 } TDSCOLUMNFUNCS;
685
689 struct tds_column
690 {
691 const TDSCOLUMNFUNCS *funcs;
692 TDS_INT column_usertype;
693 TDS_INT column_flags;
694
695 TDS_INT column_size;
697 TDS_SERVER_TYPE column_type;
702 TDS_TINYINT column_varint_size;
704 TDS_TINYINT column_prec;
705 TDS_TINYINT column_scale;
707 struct
708 {
709 TDS_SERVER_TYPE column_type;
710 TDS_INT column_size;
711 } on_server;
712
713 TDSICONV *char_conv;
715 DSTR table_name;
716 DSTR column_name;
717 DSTR table_column_name;
718
719 unsigned char *column_data;
720 void (*column_data_free)(struct tds_column *column);
721 unsigned char column_nullable:1;
722 unsigned char column_writeable:1;
723 unsigned char column_identity:1;
724 unsigned char column_key:1;
725 unsigned char column_hidden:1;
726 unsigned char column_output:1;
727 unsigned char column_timestamp:1;
728 unsigned char column_computed:1;
729 TDS_UCHAR column_collation[5];
730
731 /* additional fields flags for compute results */
732 TDS_SMALLINT column_operand;
733 TDS_TINYINT column_operator;
734
735 /* FIXME this is data related, not column */
737 TDS_INT column_cur_size;
738
739 /* related to binding or info stored by client libraries */
740 /* FIXME find a best place to store these data, some are unused */
741 TDS_SMALLINT column_bindtype;
742 TDS_SMALLINT column_bindfmt;
743 TDS_UINT column_bindlen;
744 TDS_SMALLINT *column_nullbind;
745 TDS_CHAR *column_varaddr;
746 TDS_INT *column_lenbind;
747 TDS_INT column_textpos;
748 TDS_INT column_text_sqlgetdatapos;
749 TDS_CHAR column_text_sqlputdatainfo;
750 unsigned char column_iconv_left;
751 char column_iconv_buf[9];
752
753 BCPCOLDATA *bcp_column_data;
762 TDS_INT bcp_prefix_len;
763 TDS_INT bcp_term_len;
764 TDS_CHAR *bcp_terminator;
765 };
766
767
769 typedef struct tds_result_info
770 {
771 /* TODO those fields can became a struct */
772 TDSCOLUMN **columns;
773 TDS_USMALLINT num_cols;
774 TDS_USMALLINT computeid;
775 TDS_INT ref_count;
776 TDSSOCKET *attached_to;
777 unsigned char *current_row;
778 void (*row_free)(struct tds_result_info* result, unsigned char *row);
779 TDS_INT row_size;
780
781 TDS_SMALLINT *bycolumns;
782 TDS_USMALLINT by_cols;
783 bool rows_exist;
784 /* TODO remove ?? used only in dblib */
785 bool more_results;
786 } TDSRESULTINFO;
787
789 typedef enum tds_states
790 {
791 TDS_IDLE,
792 TDS_WRITING,
793 TDS_SENDING,
794 TDS_PENDING,
795 TDS_READING,
796 TDS_DEAD
797 } TDS_STATE;
798
799 typedef enum tds_operations
800 {
801 TDS_OP_NONE = 0,
802
803 /* mssql operations */
804 TDS_OP_CURSOR = TDS_SP_CURSOR,
805 TDS_OP_CURSOROPEN = TDS_SP_CURSOROPEN,
806 TDS_OP_CURSORPREPARE = TDS_SP_CURSORPREPARE,
807 TDS_OP_CURSOREXECUTE = TDS_SP_CURSOREXECUTE,
808 TDS_OP_CURSORPREPEXEC = TDS_SP_CURSORPREPEXEC,
809 TDS_OP_CURSORUNPREPARE = TDS_SP_CURSORUNPREPARE,
810 TDS_OP_CURSORFETCH = TDS_SP_CURSORFETCH,
811 TDS_OP_CURSOROPTION = TDS_SP_CURSOROPTION,
812 TDS_OP_CURSORCLOSE = TDS_SP_CURSORCLOSE,
813 TDS_OP_EXECUTESQL = TDS_SP_EXECUTESQL,
814 TDS_OP_PREPARE = TDS_SP_PREPARE,
815 TDS_OP_EXECUTE = TDS_SP_EXECUTE,
816 TDS_OP_PREPEXEC = TDS_SP_PREPEXEC,
817 TDS_OP_PREPEXECRPC = TDS_SP_PREPEXECRPC,
818 TDS_OP_UNPREPARE = TDS_SP_UNPREPARE,
819
820 /* sybase operations */
821 TDS_OP_DYN_DEALLOC = 100,
822 } TDS_OPERATION;
823
824 #define TDS_DBG_LOGIN __FILE__, ((__LINE__ << 4) | 11)
825 #define TDS_DBG_HEADER __FILE__, ((__LINE__ << 4) | 10)
826 #define TDS_DBG_FUNC __FILE__, ((__LINE__ << 4) | 7)
827 #define TDS_DBG_INFO2 __FILE__, ((__LINE__ << 4) | 6)
828 #define TDS_DBG_INFO1 __FILE__, ((__LINE__ << 4) | 5)
829 #define TDS_DBG_NETWORK __FILE__, ((__LINE__ << 4) | 4)
830 #define TDS_DBG_WARN __FILE__, ((__LINE__ << 4) | 3)
831 #define TDS_DBG_ERROR __FILE__, ((__LINE__ << 4) | 2)
832 #define TDS_DBG_SEVERE __FILE__, ((__LINE__ << 4) | 1)
833
834 #define TDS_DBGFLAG_FUNC 0x80
835 #define TDS_DBGFLAG_INFO2 0x40
836 #define TDS_DBGFLAG_INFO1 0x20
837 #define TDS_DBGFLAG_NETWORK 0x10
838 #define TDS_DBGFLAG_WARN 0x08
839 #define TDS_DBGFLAG_ERROR 0x04
840 #define TDS_DBGFLAG_SEVERE 0x02
841 #define TDS_DBGFLAG_ALL 0xfff
842 #define TDS_DBGFLAG_LOGIN 0x0800
843 #define TDS_DBGFLAG_HEADER 0x0400
844 #define TDS_DBGFLAG_PID 0x1000
845 #define TDS_DBGFLAG_TIME 0x2000
846 #define TDS_DBGFLAG_SOURCE 0x4000
847 #define TDS_DBGFLAG_THREAD 0x8000
848
849 #if 0
850
855 enum TDS_DBG_LOG_STATE
856 {
857 TDS_DBG_LOGIN = (1 << 0)
859 , TDS_DBG_API = (1 << 1)
860 , TDS_DBG_ASYNC = (1 << 2)
861 , TDS_DBG_DIAG = (1 << 3)
862 , TDS_DBG_error = (1 << 4)
863 /* TODO: ^^^^^ make upper case when old #defines (above) are removed */
864 /* Log FreeTDS runtime/logic error occurs. */
865 , TDS_DBG_PACKET = (1 << 5)
866 , TDS_DBG_LIBTDS = (1 << 6)
867 , TDS_DBG_CONFIG = (1 << 7)
868 , TDS_DBG_DEFAULT = 0xFE
869 };
870 #endif
871
872 typedef struct tds_result_info TDSCOMPUTEINFO;
873
874 typedef TDSRESULTINFO TDSPARAMINFO;
875
876 typedef struct tds_message
877 {
878 TDS_CHAR *server;
879 TDS_CHAR *message;
880 TDS_CHAR *proc_name;
881 TDS_CHAR *sql_state;
882 TDS_INT msgno;
883 TDS_INT line_number;
884 /* -1 .. 255 */
885 TDS_SMALLINT state;
886 TDS_TINYINT priv_msg_type;
887 TDS_TINYINT severity;
888 /* for library-generated errors */
889 int oserr;
890 } TDSMESSAGE;
891
892 typedef struct tds_upd_col
893 {
894 struct tds_upd_col *next;
895 TDS_INT colnamelength;
896 char * columnname;
897 } TDSUPDCOL;
898
899 typedef enum {
900 TDS_CURSOR_STATE_UNACTIONED = 0 /* initial value */
901 , TDS_CURSOR_STATE_REQUESTED = 1 /* called by ct_cursor */
902 , TDS_CURSOR_STATE_SENT = 2 /* sent to server */
903 , TDS_CURSOR_STATE_ACTIONED = 3 /* acknowledged by server */
904 } TDS_CURSOR_STATE;
905
906 typedef struct tds_cursor_status
907 {
908 TDS_CURSOR_STATE declare;
909 TDS_CURSOR_STATE cursor_row;
910 TDS_CURSOR_STATE open;
911 TDS_CURSOR_STATE fetch;
912 TDS_CURSOR_STATE close;
913 TDS_CURSOR_STATE dealloc;
914 } TDS_CURSOR_STATUS;
915
916 typedef enum tds_cursor_operation
917 {
918 TDS_CURSOR_POSITION = 0,
919 TDS_CURSOR_UPDATE = 1,
920 TDS_CURSOR_DELETE = 2,
921 TDS_CURSOR_INSERT = 4
922 } TDS_CURSOR_OPERATION;
923
924 typedef enum tds_cursor_fetch
925 {
926 TDS_CURSOR_FETCH_NEXT = 1,
927 TDS_CURSOR_FETCH_PREV,
928 TDS_CURSOR_FETCH_FIRST,
929 TDS_CURSOR_FETCH_LAST,
930 TDS_CURSOR_FETCH_ABSOLUTE,
931 TDS_CURSOR_FETCH_RELATIVE
932 } TDS_CURSOR_FETCH;
933
937 typedef struct tds_cursor
938 {
939 struct tds_cursor *next;
940 TDS_INT ref_count;
941 char *cursor_name;
942 TDS_INT cursor_id;
943 TDS_TINYINT options;
947 bool defer_close;
948 char *query;
949 /* TODO for updatable columns */
950 /* TDS_TINYINT number_upd_cols; */
951 /* TDSUPDCOL *cur_col_list; */
952 TDS_INT cursor_rows;
953 /* TDSPARAMINFO *params; */
954 TDS_CURSOR_STATUS status;
955 TDS_USMALLINT srv_status;
956 TDSRESULTINFO *res_info;
957 TDS_INT type, concurrency;
958 } TDSCURSOR;
959
963 typedef struct tds_env
964 {
966 int block_size;
967 char *language;
969 char *charset;
971 char *database;
972 } TDSENV;
973
977 typedef struct tds_dynamic
978 {
979 struct tds_dynamic *next;
980 TDS_INT ref_count;
982 TDS_INT num_id;
988 char id[30];
994 TDS_TINYINT emulated;
998 bool defer_close;
999 /* int dyn_state; */ /* TODO use it */
1000 TDSPARAMINFO *res_info;
1008 TDSPARAMINFO *params;
1010 char *query;
1011 } TDSDYNAMIC;
1012
1013 typedef enum {
1014 TDS_MULTIPLE_QUERY,
1015 TDS_MULTIPLE_EXECUTE,
1016 TDS_MULTIPLE_RPC
1017 } TDS_MULTIPLE_TYPE;
1018
1019 typedef struct tds_multiple
1020 {
1021 TDS_MULTIPLE_TYPE type;
1022 unsigned int flags;
1023 } TDSMULTIPLE;
1024
1025 /* forward declaration */
1026 typedef struct tds_context TDSCONTEXT;
1027 typedef int (*err_handler_t) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1028
1029 struct tds_context
1030 {
1031 TDSLOCALE *locale;
1032 void *parent;
1033 /* handlers */
1034 int (*msg_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1035 int (*err_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1036 int (*int_handler) (void *);
1037 bool money_use_2_digits;
1038 };
1039
1040 enum TDS_ICONV_ENTRY
1041 {
1042 client2ucs2
1043 , client2server_chardata
1044 , initial_char_conv_count /* keep last */
1045 };
1046
1047 typedef struct tds_authentication
1048 {
1049 uint8_t *packet;
1050 int packet_len;
1051 /* TDS_MSG_TOKEN type, for TDS5 */
1052 uint16_t msg_type;
1053 TDSRET (*free)(TDSCONNECTION* conn, struct tds_authentication * auth);
1054 TDSRET (*handle_next)(TDSSOCKET * tds, struct tds_authentication * auth, size_t len);
1055 } TDSAUTHENTICATION;
1056
1057 typedef struct tds_packet
1058 {
1059 struct tds_packet *next;
1060 uint16_t sid;
1061
1062 #if ENABLE_ODBC_MARS
1063
1066 uint8_t data_start;
1067 #endif
1068
1072 unsigned data_len;
1073 unsigned capacity;
1074 unsigned char buf[1];
1075 } TDSPACKET;
1076
1077 #if ENABLE_ODBC_MARS
1078 #define tds_packet_zero_data_start(pkt) do { (pkt)->data_start = 0; } while(0)
1079 #define tds_packet_get_data_start(pkt) ((pkt)->data_start)
1080 #else
1081 #define tds_packet_zero_data_start(pkt) do { } while(0)
1082 #define tds_packet_get_data_start(pkt) 0
1083 #endif
1084
1085 typedef struct tds_poll_wakeup
1086 {
1087 TDS_SYS_SOCKET s_signal, s_signaled;
1088 } TDSPOLLWAKEUP;
1089
1090 /* field related to connection */
1091 struct tds_connection
1092 {
1093 TDS_USMALLINT tds_version;
1094 TDS_UINT product_version;
1095 char *product_name;
1096
1097 TDS_SYS_SOCKET s;
1098 TDSPOLLWAKEUP wakeup;
1099 const TDSCONTEXT *tds_ctx;
1100
1102 TDSENV env;
1103
1108 TDSCURSOR *cursors;
1113 TDSDYNAMIC *dyns;
1114
1115 int char_conv_count;
1116 TDSICONV **char_convs;
1117
1118 TDS_UCHAR collation[5];
1119 TDS_UCHAR tds72_transaction[8];
1120
1121 TDS_CAPABILITIES capabilities;
1122 unsigned int use_iconv:1;
1123 unsigned int tds71rev1:1;
1124 unsigned int pending_close:1;
1125 unsigned int encrypt_single_packet:1;
1126 #if ENABLE_ODBC_MARS
1127 unsigned int mars:1;
1128
1129 TDSSOCKET *in_net_tds;
1130 TDSPACKET *packets;
1131 TDSPACKET *recv_packet;
1132 TDSPACKET *send_packets;
1133 unsigned send_pos, recv_pos;
1134
1135 #define BUSY_SOCKET ((TDSSOCKET*)(TDS_UINTPTR)1)
1136 #define TDSSOCKET_VALID(tds) (((TDS_UINTPTR)(tds)) > 1)
1137 struct tds_socket **sessions;
1138 unsigned num_sessions;
1139 #endif
1140 tds_mutex list_mtx;
1141
1142 unsigned num_cached_packets;
1143 TDSPACKET *packet_cache;
1144
1145 int spid;
1146 int client_spid;
1147
1148 void *tls_session;
1149 #if defined(HAVE_GNUTLS)
1150 void *tls_credentials;
1151 #elif defined(HAVE_OPENSSL)
1152 void *tls_ctx;
1153 #else
1154 void *tls_dummy;
1155 #endif
1156 TDSAUTHENTICATION *authentication;
1157 char *server;
1158 };
1159
1163 struct tds_socket
1164 {
1165 #if ENABLE_ODBC_MARS
1166 TDSCONNECTION *conn;
1167 #else
1168 TDSCONNECTION conn[1];
1169 #endif
1170
1171 void *parent;
1172
1178 unsigned char *in_buf;
1179
1186 unsigned char *out_buf;
1187
1192 unsigned int out_buf_max;
1193 unsigned in_pos;
1194 unsigned out_pos;
1195 unsigned in_len;
1196 unsigned char in_flag;
1197 unsigned char out_flag;
1199 unsigned frozen;
1204 TDSPACKET *frozen_packets;
1205
1206 #if ENABLE_ODBC_MARS
1207
1211 uint16_t sid;
1212
1217 tds_condition packet_cond;
1218
1223 TDSPACKET *sending_packet;
1224 TDS_UINT recv_seq;
1225 TDS_UINT send_seq;
1226 TDS_UINT recv_wnd;
1227 TDS_UINT send_wnd;
1228 #endif
1229 /* packet we received */
1230 TDSPACKET *recv_packet;
1232 TDSPACKET *send_packet;
1233
1239 TDSRESULTINFO *current_results;
1240 TDSRESULTINFO *res_info;
1241 TDS_UINT num_comp_info;
1242 TDSCOMPUTEINFO **comp_info;
1243 TDSPARAMINFO *param_info;
1244 TDSCURSOR *cur_cursor;
1245 bool bulk_query;
1246 bool has_status;
1247 bool in_row;
1248 volatile
1249 unsigned char in_cancel;
1251 TDS_INT ret_status;
1252 TDS_STATE state;
1253
1254 TDS_INT query_timeout;
1255 TDS_INT8 rows_affected;
1257 TDSDYNAMIC *cur_dyn;
1259 TDSLOGIN *login;
1261 void (*env_chg_func) (TDSSOCKET * tds, int type, char *oldval, char *newval);
1262 TDS_OPERATION current_op;
1263
1264 int option_value;
1265 tds_mutex wire_mtx;
1266 };
1267
1268 #define tds_get_ctx(tds) ((tds)->conn->tds_ctx)
1269 #define tds_set_ctx(tds, val) do { ((tds)->conn->tds_ctx) = (val); } while(0)
1270 #define tds_get_parent(tds) ((tds)->parent)
1271 #define tds_set_parent(tds, val) do { ((tds)->parent) = (val); } while(0)
1272 #define tds_get_s(tds) ((tds)->conn->s)
1273 #define tds_set_s(tds, val) do { ((tds)->conn->s) = (val); } while(0)
1274
1275
1276 /* config.c */
1277 const TDS_COMPILETIME_SETTINGS *tds_get_compiletime_settings(void);
1278 typedef void (*TDSCONFPARSE) (const char *option, const char *value, void *param);
1279 bool tds_read_conf_section(FILE * in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param);
1280 bool tds_read_conf_file(TDSLOGIN * login, const char *server);
1281 void tds_parse_conf_section(const char *option, const char *value, void *param);
1282 TDSLOGIN *tds_read_config_info(TDSSOCKET * tds, TDSLOGIN * login, TDSLOCALE * locale);
1283 void tds_fix_login(TDSLOGIN* login);
1284 TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN* login);
1285 struct addrinfo *tds_lookup_host(const char *servername);
1286 TDSRET tds_lookup_host_set(const char *servername, struct addrinfo **addr);
1287 const char *tds_addrinfo2str(struct addrinfo *addr, char *name, int namemax);
1288 char *tds_get_home_file(const char *file);
1289
1290 TDSRET tds_set_interfaces_file_loc(const char *interfloc);
1291 extern const char STD_DATETIME_FMT[];
1292 int tds_parse_boolean(const char *value, int default_value);
1293 int tds_config_boolean(const char *option, const char *value, TDSLOGIN * login);
1294
1295 TDSLOCALE *tds_get_locale(void);
1296 TDSRET tds_alloc_row(TDSRESULTINFO * res_info);
1297 TDSRET tds_alloc_compute_row(TDSCOMPUTEINFO * res_info);
1298 BCPCOLDATA * tds_alloc_bcp_column_data(unsigned int column_size);
1299 TDSDYNAMIC *tds_lookup_dynamic(TDSCONNECTION * conn, const char *id);
1300 /*@observer@*/ const char *tds_prtype(int token);
1301 int tds_get_varint_size(TDSCONNECTION * conn, int datatype);
1302 TDS_SERVER_TYPE tds_get_cardinal_type(TDS_SERVER_TYPE datatype, int usertype);
1303
1304
1305 /* iconv.c */
1306 TDSRET tds_iconv_open(TDSCONNECTION * conn, const char *charset, int use_utf16);
1307 void tds_iconv_close(TDSCONNECTION * conn);
1308 void tds_srv_charset_changed(TDSCONNECTION * conn, const char *charset);
1309 void tds7_srv_charset_changed(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1310 int tds_iconv_alloc(TDSCONNECTION * conn);
1311 void tds_iconv_free(TDSCONNECTION * conn);
1312 TDSICONV *tds_iconv_from_collate(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1313
1314
1315 /* mem.c */
1316 void tds_free_socket(TDSSOCKET * tds);
1317 void tds_free_all_results(TDSSOCKET * tds);
1318 void tds_free_results(TDSRESULTINFO * res_info);
1319 void tds_free_param_results(TDSPARAMINFO * param_info);
1320 void tds_free_param_result(TDSPARAMINFO * param_info);
1321 void tds_free_msg(TDSMESSAGE * message);
1322 void tds_cursor_deallocated(TDSCONNECTION *conn, TDSCURSOR *cursor);
1323 void tds_release_cursor(TDSCURSOR **pcursor);
1324 void tds_free_bcp_column_data(BCPCOLDATA * coldata);
1325 TDSRESULTINFO *tds_alloc_results(TDS_USMALLINT num_cols);
1326 TDSCOMPUTEINFO **tds_alloc_compute_results(TDSSOCKET * tds, TDS_USMALLINT num_cols, TDS_USMALLINT by_cols);
1327 TDSCONTEXT *tds_alloc_context(void * parent);
1328 void tds_free_context(TDSCONTEXT * locale);
1329 TDSPARAMINFO *tds_alloc_param_result(TDSPARAMINFO * old_param);
1330 void tds_free_input_params(TDSDYNAMIC * dyn);
1331 void tds_release_dynamic(TDSDYNAMIC ** dyn);
1332 static inline
1333 void tds_release_cur_dyn(TDSSOCKET * tds)
1334 {
1335 tds_release_dynamic(&tds->cur_dyn);
1336 }
1337 void tds_dynamic_deallocated(TDSCONNECTION *conn, TDSDYNAMIC *dyn);
1338 void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn);
1339 TDSSOCKET *tds_realloc_socket(TDSSOCKET * tds, size_t bufsize);
1340 char *tds_alloc_client_sqlstate(int msgno);
1341 char *tds_alloc_lookup_sqlstate(TDSSOCKET * tds, int msgno);
1342 TDSLOGIN *tds_alloc_login(int use_environment);
1343 TDSDYNAMIC *tds_alloc_dynamic(TDSCONNECTION * conn, const char *id);
1344 void tds_free_login(TDSLOGIN * login);
1345 TDSLOGIN *tds_init_login(TDSLOGIN * login, TDSLOCALE * locale);
1346 TDSLOCALE *tds_alloc_locale(void);
1347 void *tds_alloc_param_data(TDSCOLUMN * curparam);
1348 void tds_free_locale(TDSLOCALE * locale);
1349 TDSCURSOR * tds_alloc_cursor(TDSSOCKET * tds, const char *name, TDS_INT namelen, const char *query, TDS_INT querylen);
1350 void tds_free_row(TDSRESULTINFO * res_info, unsigned char *row);
1351 TDSSOCKET *tds_alloc_socket(TDSCONTEXT * context, unsigned int bufsize);
1352 TDSSOCKET *tds_alloc_additional_socket(TDSCONNECTION *conn);
1353 void tds_set_current_results(TDSSOCKET *tds, TDSRESULTINFO *info);
1354 void tds_detach_results(TDSRESULTINFO *info);
1355 void * tds_realloc(void **pp, size_t new_size);
1356 #define TDS_RESIZE(p, n_elem) \
1357 tds_realloc((void **) &(p), sizeof(*(p)) * (size_t) (n_elem))
1358 #define tds_new(type, n) ((type *) malloc(sizeof(type) * (n)))
1359 #define tds_new0(type, n) ((type *) calloc(n, sizeof(type)))
1360
1361 TDSPACKET *tds_alloc_packet(void *buf, unsigned len);
1362 TDSPACKET *tds_realloc_packet(TDSPACKET *packet, unsigned len);
1363 void tds_free_packets(TDSPACKET *packet);
1364 TDSBCPINFO *tds_alloc_bcpinfo(void);
1365 void tds_free_bcpinfo(TDSBCPINFO *bcpinfo);
1366 void tds_deinit_bcpinfo(TDSBCPINFO *bcpinfo);
1367
1368
1369 /* login.c */
1370 void tds_set_packet(TDSLOGIN * tds_login, int packet_size);
1371 void tds_set_port(TDSLOGIN * tds_login, int port);
1372 bool tds_set_passwd(TDSLOGIN * tds_login, const char *password) TDS_WUR;
1373 void tds_set_bulk(TDSLOGIN * tds_login, bool enabled);
1374 bool tds_set_user(TDSLOGIN * tds_login, const char *username) TDS_WUR;
1375 bool tds_set_app(TDSLOGIN * tds_login, const char *application) TDS_WUR;
1376 bool tds_set_host(TDSLOGIN * tds_login, const char *hostname) TDS_WUR;
1377 bool tds_set_library(TDSLOGIN * tds_login, const char *library) TDS_WUR;
1378 bool tds_set_server(TDSLOGIN * tds_login, const char *server) TDS_WUR;
1379 bool tds_set_client_charset(TDSLOGIN * tds_login, const char *charset) TDS_WUR;
1380 bool tds_set_language(TDSLOGIN * tds_login, const char *language) TDS_WUR;
1381 void tds_set_version(TDSLOGIN * tds_login, TDS_TINYINT major_ver, TDS_TINYINT minor_ver);
1382 int tds_connect_and_login(TDSSOCKET * tds, TDSLOGIN * login);
1383
1384
1385 /* query.c */
1386 void tds_start_query(TDSSOCKET *tds, unsigned char packet_type);
1387
1388 TDSRET tds_submit_query(TDSSOCKET * tds, const char *query);
1389 TDSRET tds_submit_query_params(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1390 TDSRET tds_submit_queryf(TDSSOCKET * tds, const char *queryf, ...);
1391 TDSRET tds_submit_prepare(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1392 TDSRET tds_submit_execdirect(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1393 TDSRET tds71_submit_prepexec(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1394 TDSRET tds_submit_execute(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1395 TDSRET tds_send_cancel(TDSSOCKET * tds);
1396 const char *tds_next_placeholder(const char *start);
1397 int tds_count_placeholders(const char *query);
1398 int tds_needs_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1399 TDSRET tds_deferred_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1400 TDSRET tds_submit_unprepare(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1401 TDSRET tds_submit_rpc(TDSSOCKET * tds, const char *rpc_name, TDSPARAMINFO * params, TDSHEADERS * head);
1402 TDSRET tds_submit_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size);
1403 TDSRET tds_submit_begin_tran(TDSSOCKET *tds);
1404 TDSRET tds_submit_rollback(TDSSOCKET *tds, int cont);
1405 TDSRET tds_submit_commit(TDSSOCKET *tds, int cont);
1406 TDSRET tds_disconnect(TDSSOCKET * tds);
1407 size_t tds_quote_id(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1408 size_t tds_quote_id_rpc(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1409 size_t tds_quote_string(TDSSOCKET * tds, char *buffer, const char *str, int len);
1410 const char *tds_skip_comment(const char *s);
1411 const char *tds_skip_quoted(const char *s);
1412 size_t tds_fix_column_size(TDSSOCKET * tds, TDSCOLUMN * curcol);
1413 const char *tds_convert_string(TDSSOCKET * tds, TDSICONV * char_conv, const char *s, int len, size_t *out_len);
1414 void tds_convert_string_free(const char *original, const char *converted);
1415 #if !ENABLE_EXTRA_CHECKS
1416 #define tds_convert_string_free(original, converted) \
1417 do { if (original != converted) free((char*) converted); } while(0)
1418 #endif
1419 TDSRET tds_get_column_declaration(TDSSOCKET * tds, TDSCOLUMN * curcol, char *out);
1420
1421 TDSRET tds_cursor_declare(TDSSOCKET * tds, TDSCURSOR * cursor, TDSPARAMINFO *params, int *send);
1422 TDSRET tds_cursor_setrows(TDSSOCKET * tds, TDSCURSOR * cursor, int *send);
1423 TDSRET tds_cursor_open(TDSSOCKET * tds, TDSCURSOR * cursor, TDSPARAMINFO *params, int *send);
1424 TDSRET tds_cursor_fetch(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_FETCH fetch_type, TDS_INT i_row);
1425 TDSRET tds_cursor_get_cursor_info(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_UINT * row_number, TDS_UINT * row_count);
1426 TDSRET tds_cursor_close(TDSSOCKET * tds, TDSCURSOR * cursor);
1427 TDSRET tds_cursor_dealloc(TDSSOCKET * tds, TDSCURSOR * cursor);
1428 TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR * cursor);
1429 TDSRET tds_cursor_update(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_OPERATION op, TDS_INT i_row, TDSPARAMINFO * params);
1430 TDSRET tds_cursor_setname(TDSSOCKET * tds, TDSCURSOR * cursor);
1431
1432 TDSRET tds_multiple_init(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDS_MULTIPLE_TYPE type, TDSHEADERS * head);
1433 TDSRET tds_multiple_done(TDSSOCKET *tds, TDSMULTIPLE *multiple);
1434 TDSRET tds_multiple_query(TDSSOCKET *tds, TDSMULTIPLE *multiple, const char *query, TDSPARAMINFO * params);
1435 TDSRET tds_multiple_execute(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDSDYNAMIC * dyn);
1436
1437
1438 /* token.c */
1439 TDSRET tds_process_cancel(TDSSOCKET * tds);
1440 int tds_get_token_size(int marker);
1441 TDSRET tds_process_login_tokens(TDSSOCKET * tds);
1442 TDSRET tds_process_simple_query(TDSSOCKET * tds);
1443 int tds5_send_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD tds_command, TDS_OPTION tds_option, TDS_OPTION_ARG * tds_argument,
1444 TDS_INT * tds_argsize);
1445 TDSRET tds_process_tokens(TDSSOCKET * tds, /*@out@*/ TDS_INT * result_type, /*@out@*/ int *done_flags, unsigned flag);
1446 int determine_adjusted_size(const TDSICONV * char_conv, int size);
1447
1448
1449 /* data.c */
1450 void tds_set_param_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1451 void tds_set_column_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1452
1453
1454 /* tds_convert.c */
1455 TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC * dr);
1456 TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize);
1457 extern const char tds_hex_digits[];
1458
1459
1460 /* write.c */
1461 int tds_init_write_buf(TDSSOCKET * tds);
1462 int tds_put_n(TDSSOCKET * tds, const void *buf, size_t n);
1463 int tds_put_string(TDSSOCKET * tds, const char *buf, int len);
1464 int tds_put_int(TDSSOCKET * tds, TDS_INT i);
1465 int tds_put_int8(TDSSOCKET * tds, TDS_INT8 i);
1466 int tds_put_smallint(TDSSOCKET * tds, TDS_SMALLINT si);
1468 #define tds_put_tinyint(tds, ti) tds_put_byte(tds,ti)
1469 int tds_put_byte(TDSSOCKET * tds, unsigned char c);
1470 TDSRET tds_flush_packet(TDSSOCKET * tds);
1471 int tds_put_buf(TDSSOCKET * tds, const unsigned char *buf, int dsize, int ssize);
1472
1473
1474 /* read.c */
1475 unsigned char tds_get_byte(TDSSOCKET * tds);
1476 void tds_unget_byte(TDSSOCKET * tds);
1477 unsigned char tds_peek(TDSSOCKET * tds);
1478 TDS_USMALLINT tds_get_usmallint(TDSSOCKET * tds);
1479 #define tds_get_smallint(tds) ((TDS_SMALLINT) tds_get_usmallint(tds))
1480 TDS_UINT tds_get_uint(TDSSOCKET * tds);
1481 #define tds_get_int(tds) ((TDS_INT) tds_get_uint(tds))
1482 TDS_UINT8 tds_get_uint8(TDSSOCKET * tds);
1483 #define tds_get_int8(tds) ((TDS_INT8) tds_get_uint8(tds))
1484 size_t tds_get_string(TDSSOCKET * tds, size_t string_len, char *dest, size_t dest_size);
1485 TDSRET tds_get_char_data(TDSSOCKET * tds, char *dest, size_t wire_size, TDSCOLUMN * curcol);
1486 bool tds_get_n(TDSSOCKET * tds, /*@out@*/ /*@null@*/ void *dest, size_t n);
1487 int tds_get_size_by_type(TDS_SERVER_TYPE servertype);
1488 DSTR* tds_dstr_get(TDSSOCKET * tds, DSTR * s, size_t len);
1489
1490
1491 /* util.c */
1492 int tdserror (const TDSCONTEXT * tds_ctx, TDSSOCKET * tds, int msgno, int errnum);
1493 TDS_STATE tds_set_state(TDSSOCKET * tds, TDS_STATE state);
1494 void tds_swap_bytes(void *buf, int bytes);
1495 unsigned int tds_gettime_ms(void);
1496 char *tds_strndup(const void *s, TDS_INTPTR len);
1497
1498
1499 /* log.c */
1500 void tdsdump_off(void);
1501 void tdsdump_on(void);
1502 int tdsdump_isopen(void);
1503 #include <freetds/popvis.h>
1504 int tdsdump_open(const char *filename);
1505 #include <freetds/pushvis.h>
1506 void tdsdump_close(void);
1507 void tdsdump_dump_buf(const char* file, unsigned int level_line, const char *msg, const void *buf, size_t length);
1508 void tdsdump_col(const TDSCOLUMN *col);
1509 #undef tdsdump_log
1510 void tdsdump_log(const char* file, unsigned int level_line, const char *fmt, ...)
1511 #if defined(__GNUC__) && __GNUC__ >= 2
1512 #if defined(__MINGW32__)
1513 __attribute__ ((__format__ (ms_printf, 3, 4)))
1514 #else
1515 __attribute__ ((__format__ (__printf__, 3, 4)))
1516 #endif
1517 #endif
1518 ;
1519 #define TDSDUMP_LOG_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_log
1520 #define tdsdump_log TDSDUMP_LOG_FAST
1521 #define TDSDUMP_BUF_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_dump_buf
1522 #define tdsdump_dump_buf TDSDUMP_BUF_FAST
1523
1524 extern int tds_write_dump;
1525 extern int tds_debug_flags;
1526 extern int tds_g_append_mode;
1527
1528
1529 /* net.c */
1530 TDSERRNO tds_open_socket(TDSSOCKET * tds, struct addrinfo *ipaddr, unsigned int port, int timeout, int *p_oserr);
1531 void tds_close_socket(TDSSOCKET * tds);
1532 int tds7_get_instance_ports(FILE *output, struct addrinfo *addr);
1533 int tds7_get_instance_port(struct addrinfo *addr, const char *instance);
1534 char *tds_prwsaerror(int erc);
1535 void tds_prwsaerror_free(char *s);
1536 int tds_connection_read(TDSSOCKET * tds, unsigned char *buf, int buflen);
1537 int tds_connection_write(TDSSOCKET *tds, const unsigned char *buf, int buflen, int final);
1538 #define TDSSELREAD POLLIN
1539 #define TDSSELWRITE POLLOUT
1540 int tds_select(TDSSOCKET * tds, unsigned tds_sel, int timeout_seconds);
1541 void tds_connection_close(TDSCONNECTION *conn);
1542 int tds_goodread(TDSSOCKET * tds, unsigned char *buf, int buflen);
1543 int tds_goodwrite(TDSSOCKET * tds, const unsigned char *buffer, size_t buflen);
1544 void tds_socket_flush(TDS_SYS_SOCKET sock);
1545 int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock);
1546 int tds_wakeup_init(TDSPOLLWAKEUP *wakeup);
1547 void tds_wakeup_close(TDSPOLLWAKEUP *wakeup);
1548 void tds_wakeup_send(TDSPOLLWAKEUP *wakeup, char cancel);
1549 static inline TDS_SYS_SOCKET tds_wakeup_get_fd(const TDSPOLLWAKEUP *wakeup)
1550 {
1551 return wakeup->s_signaled;
1552 }
1553
1554
1555 /* packet.c */
1556 int tds_read_packet(TDSSOCKET * tds);
1557 TDSRET tds_write_packet(TDSSOCKET * tds, unsigned char final);
1558 #if ENABLE_ODBC_MARS
1559 int tds_append_cancel(TDSSOCKET *tds);
1560 TDSRET tds_append_syn(TDSSOCKET *tds);
1561 TDSRET tds_append_fin(TDSSOCKET *tds);
1562 #else
1563 int tds_put_cancel(TDSSOCKET * tds);
1564 #endif
1565
1566 typedef struct tds_freeze {
1568 TDSSOCKET *tds;
1570 TDSPACKET *pkt;
1572 unsigned pkt_pos;
1574 unsigned size_len;
1575 } TDSFREEZE;
1576
1577 void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len);
1578 size_t tds_freeze_written(TDSFREEZE *freeze);
1579 TDSRET tds_freeze_abort(TDSFREEZE *freeze);
1580 TDSRET tds_freeze_close(TDSFREEZE *freeze);
1581 TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size);
1582
1583 static void inline
1584 tds_set_current_send_packet(TDSSOCKET *tds, TDSPACKET *pkt)
1585 {
1586 tds->send_packet = pkt;
1587 tds->out_buf = pkt->buf + tds_packet_get_data_start(pkt);
1588 }
1589
1590 /* Macros to allow some indentation of the packets.
1591 *
1592 * The 3 nested fake loops require some explanation:
1593 * - first is to allows to declare variables;
1594 * - second is to force using brackets;
1595 * - third is to avoids that a break inside will skip the close.
1596 */
1597 #define TDS_START_LEN_GENERIC(tds_socket, len) do { \
1598 TDSFREEZE current_freeze[1]; \
1599 tds_freeze((tds_socket), current_freeze, (len)); do { do
1600 #define TDS_END_LEN while(0); } while(tds_freeze_close(current_freeze), 0); } while(0);
1601
1602 #define TDS_START_LEN_TINYINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 1)
1603 #define TDS_START_LEN_USMALLINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 2)
1604 #define TDS_START_LEN_UINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 4)
1605
1606 /* vstrbuild.c */
1607 TDSRET tds_vstrbuild(char *buffer, int buflen, int *resultlen, const char *text, int textlen, const char *formats, int formatlen,
1608 va_list ap);
1609
1610
1611 /* numeric.c */
1612 char *tds_money_to_string(const TDS_MONEY * money, char *s, bool use_2_digits);
1613 TDS_INT tds_numeric_to_string(const TDS_NUMERIC * numeric, char *s);
1614 TDS_INT tds_numeric_change_prec_scale(TDS_NUMERIC * numeric, unsigned char new_prec, unsigned char new_scale);
1615
1616
1617 /* getmac.c */
1618 void tds_getmac(TDS_SYS_SOCKET s, unsigned char mac[6]);
1619
1620
1621 /* challenge.c */
1622 #ifndef HAVE_SSPI
1623 TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET * tds);
1624 TDSAUTHENTICATION * tds_gss_get_auth(TDSSOCKET * tds);
1625 #else
1626 TDSAUTHENTICATION * tds_sspi_get_auth(TDSSOCKET * tds);
1627 #endif
1628 TDSRET tds5_gss_send(TDSSOCKET *tds);
1629
1630
1631 /* random.c */
1632 void tds_random_buffer(unsigned char *out, int len);
1633
1634
1635 /* sec_negotiate.c */
1636 TDSAUTHENTICATION * tds5_negotiate_get_auth(TDSSOCKET * tds);
1637 static inline
1638 void tds5_negotiate_set_msg_type(TDSAUTHENTICATION * tds_auth, unsigned msg_type)
1639 {
1640 if (tds_auth)
1641 tds_auth->msg_type = msg_type;
1642 }
1643
1644
1645 /* bulk.c */
1646
1648 enum tds_bcp_directions
1649 {
1650 TDS_BCP_IN = 1,
1651 TDS_BCP_OUT = 2,
1652 TDS_BCP_QUERYOUT = 3
1653 };
1654
1655 struct tds_bcpinfo
1656 {
1657 const char *hint;
1658 void *parent;
1659 DSTR tablename;
1660 TDS_CHAR *insert_stmt;
1661 TDS_INT direction;
1662 TDS_INT identity_insert_on;
1663 TDS_INT xfer_init;
1664 TDS_INT bind_count;
1665 TDSRESULTINFO *bindinfo;
1666 };
1667
1668 TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1669 typedef TDSRET (*tds_bcp_get_col_data) (TDSBCPINFO *bulk, TDSCOLUMN *bcpcol, int offset);
1670 typedef void (*tds_bcp_null_error) (TDSBCPINFO *bulk, int index, int offset);
1671 TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset);
1672 TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied);
1673 TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1674 TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1675
1676 TDSRET tds_bcp_fread(TDSSOCKET * tds, TDSICONV * conv, FILE * stream,
1677 const char *terminator, size_t term_len, char **outbuf, size_t * outbytes);
1678
1679 TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size);
1680 TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size);
1681 TDSRET tds_writetext_end(TDSSOCKET *tds);
1682
1683
1684 static inline
1685 bool tds_capability_enabled(const TDS_CAPABILITY_TYPE *cap, unsigned cap_num)
1686 {
1687 return (cap->values[sizeof(cap->values)-1-(cap_num>>3)] >> (cap_num&7)) & 1;
1688 }
1689 #define tds_capability_has_req(conn, cap) \
1690 tds_capability_enabled(&conn->capabilities.types[0], cap)
1691
1692 #define IS_TDS42(x) (x->tds_version==0x402)
1693 #define IS_TDS46(x) (x->tds_version==0x406)
1694 #define IS_TDS50(x) (x->tds_version==0x500)
1695 #define IS_TDS70(x) (x->tds_version==0x700)
1696 #define IS_TDS71(x) (x->tds_version==0x701)
1697 #define IS_TDS72(x) (x->tds_version==0x702)
1698 #define IS_TDS73(x) (x->tds_version==0x703)
1699
1700 #define IS_TDS50_PLUS(x) ((x)->tds_version>=0x500)
1701 #define IS_TDS7_PLUS(x) ((x)->tds_version>=0x700)
1702 #define IS_TDS71_PLUS(x) ((x)->tds_version>=0x701)
1703 #define IS_TDS72_PLUS(x) ((x)->tds_version>=0x702)
1704 #define IS_TDS73_PLUS(x) ((x)->tds_version>=0x703)
1705 #define IS_TDS74_PLUS(x) ((x)->tds_version>=0x704)
1706
1707 #define TDS_MAJOR(x) ((x)->tds_version >> 8)
1708 #define TDS_MINOR(x) ((x)->tds_version & 0xff)
1709
1710 #define IS_TDSDEAD(x) (((x) == NULL) || (x)->state == TDS_DEAD)
1711
1713 #define TDS_IS_SYBASE(x) (!((x)->conn->product_version & 0x80000000u))
1714
1715 #define TDS_IS_MSSQL(x) (((x)->conn->product_version & 0x80000000u)!=0)
1716
1720 #define TDS_MS_VER(maj,min,x) (0x80000000u|((maj)<<24)|((min)<<16)|(x))
1721
1722 /* TODO test if not similar to ms one*/
1724 #define TDS_SYB_VER(maj,min,x) (((maj)<<24)|((min)<<16)|(x)<<8)
1725
1726 #ifdef __cplusplus
1727 #if 0
1728 {
1729 #endif
1730 }
1731 #endif
1732
1733 #include <freetds/popvis.h>
1734
1735 #define TDS_PUT_INT(tds,v) tds_put_int((tds), ((TDS_INT)(v)))
1736 #define TDS_PUT_SMALLINT(tds,v) tds_put_smallint((tds), ((TDS_SMALLINT)(v)))
1737 #define TDS_PUT_BYTE(tds,v) tds_put_byte((tds), ((unsigned char)(v)))
1738
1739 #endif /* _tds_h_ */
tds_needs_unprepare
int tds_needs_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Check if dynamic request must be unprepared.
Definition: query.c:1752
tds7_get_instance_port
int tds7_get_instance_port(struct addrinfo *addr, const char *instance)
Get port of given instance.
Definition: net.c:1229
tds_login::bulk_copy
unsigned int bulk_copy
if bulk copy should be enabled
Definition: tds.h:557
tds_peek
unsigned char tds_peek(TDSSOCKET *tds)
Reads a byte from the TDS stream without removing it.
Definition: read.c:100
tds_states
tds_states
values for tds->state
Definition: tds.h:790
tds_login::tds_version
TDS_USMALLINT tds_version
TDS version.
Definition: tds.h:521
tdsmoney
Definition: proto.h:39
tds_login::new_password
DSTR new_password
new password to set (TDS 7.2+)
Definition: tds.h:537
tds_unget_byte
void tds_unget_byte(TDSSOCKET *tds)
Unget will always work as long as you don't call it twice in a row.
Definition: read.c:89
tds_variant
Store variant informations.
Definition: tds.h:605
tds_get_char_data
TDSRET tds_get_char_data(TDSSOCKET *tds, char *dest, size_t wire_size, TDSCOLUMN *curcol)
Fetch character data the wire.
Definition: read.c:195
tds_detach_results
void tds_detach_results(TDSRESULTINFO *info)
Detach result info from it current socket.
Definition: mem.c:488
TDS_DONE_INXACT
@ TDS_DONE_INXACT
transaction in progress
Definition: tds.h:255
tds_socket_set_nonblocking
int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock)
Set socket to non-blocking.
Definition: net.c:168
tds_connection::cursors
TDSCURSOR * cursors
linked list of cursors allocated for this connection contains only cursors allocated on the server
Definition: tds.h:1108
tds_socket::has_status
bool has_status
true is ret_status is valid
Definition: tds.h:1246
tds_alloc_row
TDSRET tds_alloc_row(TDSRESULTINFO *res_info)
Allocate space for row store return NULL on out of memory.
Definition: mem.c:524
tds_freeze::pkt_pos
unsigned pkt_pos
position in pkt
Definition: tds.h:1572
tds_free_param_result
void tds_free_param_result(TDSPARAMINFO *param_info)
Delete latest parameter.
Definition: mem.c:320
tds_submit_unprepare
TDSRET tds_submit_unprepare(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Send a unprepare request for a prepared query.
Definition: query.c:1797
tds_headers
Definition: tds.h:575
tdsdaterec::month
TDS_INT month
month number (0-11)
Definition: tds.h:163
tds_socket::bulk_query
bool bulk_query
true is query sent was a bulk query so we need to switch state to QUERYING
Definition: tds.h:1245
tdsdaterec::second
TDS_INT second
0-59
Definition: tds.h:169
tds_quote_id
size_t tds_quote_id(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id.
Definition: query.c:2171
TDS_DONE_MORE_RESULTS
@ TDS_DONE_MORE_RESULTS
more results follow
Definition: tds.h:253
tds_login::ip_addrs
struct addrinfo * ip_addrs
ip(s) of server
Definition: tds.h:547
tds_dynamic::emulated
TDS_TINYINT emulated
this dynamic query cannot be prepared so libTDS have to construct a simple query.
Definition: tds.h:994
tds_login::cafile
DSTR cafile
certificate authorities file
Definition: tds.h:531
tds_freeze::size_len
unsigned size_len
length size (0, 1, 2 or 4)
Definition: tds.h:1574
tdsdump_on
void tdsdump_on(void)
Turn logging back on.
Definition: log.c:88
tds_socket::frozen_packets
TDSPACKET * frozen_packets
list of packets frozen, points to first one.
Definition: tds.h:1204
tds_login::server_name
DSTR server_name
server name (in freetds.conf)
Definition: tds.h:519
TDS_IDLE
@ TDS_IDLE
no data expected
Definition: tds.h:791
tds_socket::in_buf
unsigned char * in_buf
Input buffer.
Definition: tds.h:1178
tds_socket::cur_cursor
TDSCURSOR * cur_cursor
cursor in use
Definition: tds.h:1244
tds_set_cur_dyn
void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Set current dynamic.
Definition: query.c:192
tds_alloc_dynamic
TDSDYNAMIC * tds_alloc_dynamic(TDSCONNECTION *conn, const char *id)
Allocate a dynamic statement.
Definition: mem.c:160
tds_lookup_dynamic
TDSDYNAMIC * tds_lookup_dynamic(TDSCONNECTION *conn, const char *id)
Finds a dynamic given string id.
Definition: token.c:2583
tds_env
Current environment as reported by the server.
Definition: tds.h:964
tds_start_query
void tds_start_query(TDSSOCKET *tds, unsigned char packet_type)
Start query packet of a given type.
Definition: query.c:332
tds_freeze
Definition: tds.h:1566
tds_capabilities
Definition: tds.h:512
tds_submit_execute
TDSRET tds_submit_execute(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Sends a previously prepared dynamic statement to the server.
Definition: query.c:1630
tds71_submit_prepexec
TDSRET tds71_submit_prepexec(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server and execute it.
Definition: query.c:1401
tds_submit_rpc
TDSRET tds_submit_rpc(TDSSOCKET *tds, const char *rpc_name, TDSPARAMINFO *params, TDSHEADERS *head)
Calls a RPC from server.
Definition: query.c:1929
tds_poll_wakeup
Definition: tds.h:1086
tds_option_arg
Definition: tds.h:331
tdsdaterec::timezone
TDS_INT timezone
-840 - 840 minutes from UTC
Definition: tds.h:171
tds_column_funcs::put_data
tds_func_put_data * put_data
Send column data to server.
Definition: tds.h:663
TDS_DONE_PROC
@ TDS_DONE_PROC
results are from a stored procedure
Definition: tds.h:256
tds_submit_queryf
TDSRET tds_submit_queryf(TDSSOCKET *tds, const char *queryf,...)
Format and submit a query.
Definition: query.c:467
tds_read_packet
int tds_read_packet(TDSSOCKET *tds)
Read in one 'packet' from the server.
Definition: packet.c:527
TDSDATEREC
struct tdsdaterec TDSDATEREC
Used by tds_datecrack.
tds_blob
Information about blobs (e.g.
Definition: tds.h:594
tds_bcp_done
TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied)
Tell we finished sending BCP data to server.
Definition: bulk.c:810
tds_freeze
void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len)
Stop writing to server and cache every packet not sending them to server.
Definition: packet.c:907
tds_env::database
char * database
database name
Definition: tds.h:971
tds_submit_begin_tran
TDSRET tds_submit_begin_tran(TDSSOCKET *tds)
Send a rollback request.
Definition: query.c:3665
tds_bcp_start
TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start sending BCP data to server.
Definition: bulk.c:840
tdsdaterec::year
TDS_INT year
year
Definition: tds.h:161
tds_socket::rows_affected
TDS_INT8 rows_affected
rows updated/deleted/inserted/selected, TDS_NO_COUNT if not valid
Definition: tds.h:1255
tds_socket::send_packet
TDSPACKET * send_packet
packet we are preparing to send
Definition: tds.h:1232
tds_socket::login
TDSLOGIN * login
config for login stuff.
Definition: tds.h:1259
tds_cursor::cursor_rows
TDS_INT cursor_rows
< number of updatable columns
Definition: tds.h:952
tds_column::column_prec
TDS_TINYINT column_prec
precision for decimal/numeric
Definition: tds.h:704
tdsdump_open
int tdsdump_open(const char *filename)
Create and truncate a human readable dump file for the TDS traffic.
Definition: log.c:112
tds_dynamic::defer_close
bool defer_close
true if dynamic was marker to be closed when connection is idle
Definition: tds.h:998
tds_result_info
Hold information for any results.
Definition: tds.h:770
tdsiconvinfo
Definition: iconv.h:92
tds_socket::out_buf
unsigned char * out_buf
Output buffer.
Definition: tds.h:1186
TDS_SENDING
@ TDS_SENDING
client would send data
Definition: tds.h:793
tds_authentication
Definition: tds.h:1048
TDS_DATETIMEALL
this structure is not directed connected to a TDS protocol but keeps any DATE/TIME information.
Definition: tds.h:147
tds_cursor::type
TDS_INT type
row fetched from this cursor
Definition: tds.h:957
tds_connection::product_version
TDS_UINT product_version
version of product (Sybase/MS and full version)
Definition: tds.h:1094
tds_cursor::cursor_id
TDS_INT cursor_id
cursor id returned by the server after cursor declare
Definition: tds.h:942
tds_get_varint_size
int tds_get_varint_size(TDSCONNECTION *conn, int datatype)
tds_get_varint_size() returns the size of a variable length integer returned in a result string
Definition: tds_types.h:57
tdsdump_dump_buf
void tdsdump_dump_buf(const char *file, unsigned int level_line, const char *msg, const void *buf, size_t length)
Dump the contents of data into the log file in a human readable format.
Definition: log.c:256
tds_connection::env
TDSENV env
environment is shared between all sessions
Definition: tds.h:1102
tds_socket
Information for a server connection.
Definition: tds.h:1164
tds_capability_type
Definition: tds.h:505
tds_alloc_param_result
TDSPARAMINFO * tds_alloc_param_result(TDSPARAMINFO *old_param)
Adds a output parameter to TDSPARAMINFO.
Definition: mem.c:284
tds_login::crlfile
DSTR crlfile
certificate revocation file
Definition: tds.h:532
tds_convert_string
const char * tds_convert_string(TDSSOCKET *tds, TDSICONV *char_conv, const char *s, int len, size_t *out_len)
Convert a string in an allocated buffer.
Definition: query.c:126
tds_iconv_alloc
int tds_iconv_alloc(TDSCONNECTION *conn)
Allocate iconv stuff.
Definition: iconv.c:305
TDS_WRITING
@ TDS_WRITING
client is writing data
Definition: tds.h:792
tds_numeric_bytes_per_prec
const int tds_numeric_bytes_per_prec[]
The following little table is indexed by precision and will tell us the number of bytes required to s...
Definition: numeric.c:41
tds_login::db_filename
DSTR db_filename
database filename to attach (MSSQL)
Definition: tds.h:530
tds_process_simple_query
TDSRET tds_process_simple_query(TDSSOCKET *tds)
Process results for simple query as "SET TEXTSIZE" or "USE dbname" If the statement returns results,...
Definition: token.c:877
tds_skip_quoted
const char * tds_skip_quoted(const char *s)
Skip quoting string (like 'sfsf', "dflkdj" or [dfkjd])
Definition: query.c:515
tds_get_uint
TDS_UINT tds_get_uint(TDSSOCKET *tds)
Get an int32 from the server.
Definition: read.c:127
tds_encoding::canonic
unsigned char canonic
internal numeric index into array of all encodings
Definition: tds.h:625
tds_submit_optioncmd
TDSRET tds_submit_optioncmd(TDSSOCKET *tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size)
Send option commands to server.
Definition: query.c:3389
tds_column_funcs::put_info
tds_func_put_info * put_info
Send metadata column information to server.
Definition: tds.h:653
tds_connection::dyns
TDSDYNAMIC * dyns
list of dynamic allocated for this connection contains only dynamic allocated on the server
Definition: tds.h:1113
tds_encoding
Information relevant to libiconv.
Definition: tds.h:619
tds_submit_query
TDSRET tds_submit_query(TDSSOCKET *tds, const char *query)
Sends a language string to the database server for processing.
Definition: query.c:210
tds_init_login
TDSLOGIN * tds_init_login(TDSLOGIN *login, TDSLOCALE *locale)
Initialize login structure with locale information and other stuff for connection.
Definition: mem.c:800
tds_socket::in_row
bool in_row
true if we are getting rows
Definition: tds.h:1247
tds_freeze_abort
TDSRET tds_freeze_abort(TDSFREEZE *freeze)
Discard all data written after the freeze.
Definition: packet.c:961
tds_dynamic::query
char * query
saved query, we need to know original query if prepare is impossible
Definition: tds.h:1010
tds_upd_col
Definition: tds.h:893
tds_login::server_spn
DSTR server_spn
server SPN (in freetds.conf)
Definition: tds.h:529
tds_set_column_type
void tds_set_column_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition: data.c:227
tds_get_column_declaration
TDSRET tds_get_column_declaration(TDSSOCKET *tds, TDSCOLUMN *curcol, char *out)
Return declaration for column (like "varchar(20)").
Definition: query.c:718
tds_prtype
const char * tds_prtype(int token)
Returns string representation of the given type.
Definition: token.c:3052
tds_context
Definition: tds.h:1030
tds_ntlm_get_auth
TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET *tds)
Build a NTLMSPP packet to send to server.
Definition: challenge.c:721
tds_compiletime_settings
A structure to hold all the compile-time settings.
Definition: tds.h:83
tds_env::charset
char * charset
character set encoding
Definition: tds.h:969
tds_process_login_tokens
TDSRET tds_process_login_tokens(TDSSOCKET *tds)
tds_process_login_tokens() is called after sending the login packet to the server.
Definition: token.c:410
tds_skip_comment
const char * tds_skip_comment(const char *s)
Skip a comment in a query.
Definition: query.c:490
TDS_STATE
enum tds_states TDS_STATE
values for tds->state
tds_cursor::ref_count
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition: tds.h:940
tds_count_placeholders
int tds_count_placeholders(const char *query)
Count the number of placeholders ('?') in a query.
Definition: query.c:571
tds_login::port
int port
port of database service
Definition: tds.h:520
tds_socket::cur_dyn
TDSDYNAMIC * cur_dyn
dynamic structure in use
Definition: tds.h:1257
tds_submit_rollback
TDSRET tds_submit_rollback(TDSSOCKET *tds, int cont)
Send a rollback request.
Definition: query.c:3693
tds_goodread
int tds_goodread(TDSSOCKET *tds, unsigned char *buf, int buflen)
Loops until we have received some characters return -1 on failure.
Definition: net.c:916
tds_socket::current_results
TDSRESULTINFO * current_results
Current query information.
Definition: tds.h:1239
tds_get_byte
unsigned char tds_get_byte(TDSSOCKET *tds)
Return a single byte from the input buffer.
Definition: read.c:72
tds_quote_id_rpc
size_t tds_quote_id_rpc(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id for a RPC call.
Definition: query.c:2216
TDSENV
struct tds_env TDSENV
Current environment as reported by the server.
tds_login::server_charset
DSTR server_charset
charset of server e.g.
Definition: tds.h:524
tds_cursor::cursor_name
char * cursor_name
name of the cursor
Definition: tds.h:941
TDSBLOB
struct tds_blob TDSBLOB
Information about blobs (e.g.
tds_set_interfaces_file_loc
TDSRET tds_set_interfaces_file_loc(const char *interfloc)
Set the full name of interface file.
Definition: config.c:965
tds_freeze::pkt
TDSPACKET * pkt
first packet frozen
Definition: tds.h:1570
tds_column_funcs
Definition: tds.h:644
determine_adjusted_size
int determine_adjusted_size(const TDSICONV *char_conv, int size)
Allow for maximum possible size of converted data, while being careful about integer division truncat...
Definition: token.c:3280
tds_put_string
int tds_put_string(TDSSOCKET *tds, const char *buf, int len)
Output a string to wire automatic translate string to unicode if needed.
Definition: write.c:97
tds_get_n
bool tds_get_n(TDSSOCKET *tds, void *dest, size_t n)
Get N bytes from the buffer and return them in the already allocated space given to us.
Definition: read.c:230
tds_quote_string
size_t tds_quote_string(TDSSOCKET *tds, char *buffer, const char *str, int len)
Quote a string.
Definition: query.c:2241
tds_cursor::query
char * query
SQL query.
Definition: tds.h:948
tds_cursor::next
struct tds_cursor * next
next in linked list, keep first
Definition: tds.h:939
tdsdump_log
void tdsdump_log(const char *file, unsigned int level_line, const char *fmt,...)
Write a message to the debug log.
Definition: log.c:354
tds_column::column_size
TDS_INT column_size
maximun size of data.
Definition: tds.h:695
tds_dstr_get
DSTR * tds_dstr_get(TDSSOCKET *tds, DSTR *s, size_t len)
Reads a string from wire and put in a DSTR.
Definition: read.c:293
tds_close_socket
void tds_close_socket(TDSSOCKET *tds)
Close current socket.
Definition: net.c:548
tds_set_server
bool tds_set_server(TDSLOGIN *tds_login, const char *server) TDS_WUR
Set the servername in a TDSLOGIN structure.
Definition: login.c:125
tdsdump_off
void tdsdump_off(void)
Temporarily turn off logging.
Definition: log.c:76
tds_env::block_size
int block_size
packet size (512-65535)
Definition: tds.h:966
TDSVARIANT
struct tds_variant TDSVARIANT
Store variant informations.
tds_read_config_info
TDSLOGIN * tds_read_config_info(TDSSOCKET *tds, TDSLOGIN *login, TDSLOCALE *locale)
tds_read_config_info() will fill the tds connection structure based on configuration information gath...
Definition: config.c:138
TDS_DONE_SRVERROR
@ TDS_DONE_SRVERROR
SQL server server error.
Definition: tds.h:260
tds_dynamic
Holds information for a dynamic (also called prepared) query.
Definition: tds.h:978
tdsdaterec::quarter
TDS_INT quarter
quarter (0-3)
Definition: tds.h:162
tds_socket::in_cancel
volatile unsigned char in_cancel
indicate we are waiting a cancel reply; discard tokens till acknowledge; 1 mean we have to send cance...
Definition: tds.h:1249
tds_get_string
size_t tds_get_string(TDSSOCKET *tds, size_t string_len, char *dest, size_t dest_size)
Fetch a string from the wire.
Definition: read.c:166
tds_cursor::defer_close
bool defer_close
true if cursor was marker to be closed when connection is idle
Definition: tds.h:947
tds_dynamic::params
TDSPARAMINFO * params
query parameters.
Definition: tds.h:1008
tds_process_tokens
TDSRET tds_process_tokens(TDSSOCKET *tds, TDS_INT *result_type, int *done_flags, unsigned flag)
process all streams.
Definition: token.c:530
tdsdaterec::minute
TDS_INT minute
0-59
Definition: tds.h:168
tds_get_uint8
TDS_UINT8 tds_get_uint8(TDSSOCKET *tds)
Get an uint64 from the server.
Definition: read.c:140
tds_cursor::options
TDS_TINYINT options
read only|updatable TODO use it
Definition: tds.h:943
tds_get_token_size
int tds_get_token_size(int marker)
tds_get_token_size() returns the size of a fixed length token used by tds_process_cancel() to determi...
Definition: token.c:2750
tds_freeze_close_len
TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size)
Stop keeping data for this specific freeze.
Definition: packet.c:1031
tds_encoding::name
const char * name
name of the encoding (ie UTF-8)
Definition: tds.h:621
tds_free_input_params
void tds_free_input_params(TDSDYNAMIC *dyn)
Frees all allocated input parameters of a dynamic statement.
Definition: mem.c:206
tds_packet::data_len
unsigned data_len
data length, this does not account SMP header, only TDS part
Definition: tds.h:1072
TDS_DONE_CANCELLED
@ TDS_DONE_CANCELLED
acknowledging an attention command (usually a cancel)
Definition: tds.h:258
tds_column::column_scale
TDS_TINYINT column_scale
scale for decimal/numeric
Definition: tds.h:705
TDS_DONE_ERROR
@ TDS_DONE_ERROR
error occurred
Definition: tds.h:254
tdsdaterec::decimicrosecond
TDS_INT decimicrosecond
0-9999999
Definition: tds.h:170
tds_connection::s
TDS_SYS_SOCKET s
tcp socket, INVALID_SOCKET if not connected
Definition: tds.h:1097
tds_set_state
TDS_STATE tds_set_state(TDSSOCKET *tds, TDS_STATE state)
Set state of TDS connection, with logging and checking.
Definition: util.c:58
tds_cursor
Holds informations about a cursor.
Definition: tds.h:938
tds_socket::out_flag
unsigned char out_flag
output buffer type
Definition: tds.h:1197
tds_select
int tds_select(TDSSOCKET *tds, unsigned tds_sel, int timeout_seconds)
Select on a socket until it's available or the timeout expires.
Definition: net.c:612
tdsdaterec::day
TDS_INT day
day of month (1-31)
Definition: tds.h:164
tds_submit_prepare
TDSRET tds_submit_prepare(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server.
Definition: query.c:1124
tds_message
Definition: tds.h:877
tds_submit_execdirect
TDSRET tds_submit_execdirect(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Submit a prepared query with parameters.
Definition: query.c:1256
tds_bcpinfo
Definition: tds.h:1656
tds_login
Definition: tds.h:518
tds_realloc
void * tds_realloc(void **pp, size_t new_size)
Reallocate a pointer and update it if success.
Definition: mem.c:1876
tds_get_conversion_type
TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize)
Return type suitable for conversions (convert all nullable types to fixed type)
Definition: tds_types.h:125
tds_freeze_close
TDSRET tds_freeze_close(TDSFREEZE *freeze)
Stop keeping data for this specific freeze.
Definition: packet.c:996
tds_socket::out_pos
unsigned out_pos
current position in out_buf
Definition: tds.h:1194
TDSDYNAMIC
struct tds_dynamic TDSDYNAMIC
Holds information for a dynamic (also called prepared) query.
tds_dynamic::num_id
TDS_INT num_id
numeric id for mssql7+
Definition: tds.h:982
tds_strndup
char * tds_strndup(const void *s, TDS_INTPTR len)
Copy a string of length len to a new allocated buffer This function does not read more than len bytes...
Definition: util.c:408
tds_connection::pending_close
unsigned int pending_close
true is connection has pending closing (cursors or dynamic)
Definition: tds.h:1124
TDS_COMPILETIME_SETTINGS
struct tds_compiletime_settings TDS_COMPILETIME_SETTINGS
A structure to hold all the compile-time settings.
TDSCURSOR
struct tds_cursor TDSCURSOR
Holds informations about a cursor.
tds_bcp_init
TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Initialize BCP information.
Definition: bulk.c:82
tds_dynamic::res_info
TDSPARAMINFO * res_info
query results
Definition: tds.h:1000
tds_read_conf_section
bool tds_read_conf_section(FILE *in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param)
Read a section of configuration file (INI style file)
Definition: config.c:503
tds_iconv_from_collate
TDSICONV * tds_iconv_from_collate(TDSCONNECTION *conn, TDS_UCHAR collate[5])
Get iconv information from a LCID (to support different column encoding under MSSQL2K)
Definition: iconv.c:1234
tds_column::column_cur_size
TDS_INT column_cur_size
size written in variable (ie: char, text, binary).
Definition: tds.h:737
tds_dstr
Structure to hold a string.
Definition: string.h:36
tds_column::char_conv
TDSICONV * char_conv
refers to previously allocated iconv information
Definition: tds.h:713
tds_column::column_varint_size
TDS_TINYINT column_varint_size
size of length when reading from wire (0, 1, 2 or 4)
Definition: tds.h:702
tdserror
int tdserror(const TDSCONTEXT *tds_ctx, TDSSOCKET *tds, int msgno, int errnum)
Call the client library's error handler (for library-generated errors only)
Definition: util.c:321
tds_config_verstr
TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN *login)
Set TDS version from given string.
Definition: config.c:922
tds_writetext_continue
TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size)
Send some data in the writetext request started by tds_writetext_start.
Definition: bulk.c:1156
TDS_DATETIMEALL::offset
TDS_SMALLINT offset
time offset
Definition: tds.h:150
tdsdaterec::weekday
TDS_INT weekday
day of week (0-6, 0 = sunday)
Definition: tds.h:166
tds_bcp_directions
tds_bcp_directions
bcp direction
Definition: tds.h:1649
tds_bcpcoldata
Definition: tds.h:629
tds_packet
Definition: tds.h:1058
tds_get_locale
TDSLOCALE * tds_get_locale(void)
Get locale information.
Definition: locale.c:50
tds_write_dump
int tds_write_dump
Tell if TDS debug logging is turned on or off.
Definition: log.c:58
TDS_DATETIMEALL::time
TDS_UINT8 time
time, 7 digit precision
Definition: tds.h:148
tdsdaterec
Used by tds_datecrack.
Definition: tds.h:160
tds_dynamic::ref_count
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition: tds.h:980
tds_socket::in_len
unsigned in_len
input buffer length
Definition: tds.h:1195
tds_cursor_status
Definition: tds.h:907
tdsnumeric
Definition: proto.h:26
tds_freeze_written
size_t tds_freeze_written(TDSFREEZE *freeze)
Compute how many bytes has been written from freeze.
Definition: packet.c:935
tds_get_size_by_type
int tds_get_size_by_type(TDS_SERVER_TYPE servertype)
Return the number of bytes needed by specified type.
Definition: tds_types.h:9
tds_freeze::tds
TDSSOCKET * tds
which socket we refer to
Definition: tds.h:1568
tds_condition
Definition: thread.h:278
tds_read_conf_file
bool tds_read_conf_file(TDSLOGIN *login, const char *server)
Read configuration info for given server return 0 on error.
Definition: config.c:346
tds_dynamic::next
struct tds_dynamic * next
next in linked list, keep first
Definition: tds.h:979
tds_locale
Definition: tds.h:583
tds_writetext_end
TDSRET tds_writetext_end(TDSSOCKET *tds)
Finish sending writetext data.
Definition: bulk.c:1173
tds_fix_login
void tds_fix_login(TDSLOGIN *login)
Fix configuration after reading it.
Definition: config.c:285
tds_socket::ret_status
TDS_INT ret_status
return status from store procedure
Definition: tds.h:1251
tds_login::password
DSTR password
password of account login
Definition: tds.h:536
tds_get_usmallint
TDS_USMALLINT tds_get_usmallint(TDSSOCKET *tds)
Get an int16 from the server.
Definition: read.c:113
tds_datecrack
TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC *dr)
Convert from db date format to a structured date format.
Definition: convert.c:3122
tds_submit_commit
TDSRET tds_submit_commit(TDSSOCKET *tds, int cont)
Send a commit request.
Definition: query.c:3724
tds_submit_query_params
TDSRET tds_submit_query_params(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Sends a language string to the database server for processing.
Definition: query.c:350
tds_get_compiletime_settings
const TDS_COMPILETIME_SETTINGS * tds_get_compiletime_settings(void)
Return a structure capturing the compile-time settings provided to the configure script.
Definition: config.c:1341
tds7_get_instance_ports
int tds7_get_instance_ports(FILE *output, struct addrinfo *addr)
Get port of all instances.
Definition: net.c:1093
tds_column::bcp_prefix_len
TDS_INT bcp_prefix_len
The length, in bytes, of any length prefix this column may have.
Definition: tds.h:762
TDS_DONE_COUNT
@ TDS_DONE_COUNT
count field in packet is valid
Definition: tds.h:257
tds_set_param_type
void tds_set_param_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition: data.c:249
tds_next_placeholder
const char * tds_next_placeholder(const char *start)
Get position of next placeholder.
Definition: query.c:535
tds_release_dynamic
void tds_release_dynamic(TDSDYNAMIC **dyn)
Frees dynamic statement.
Definition: mem.c:253
TDS_ENCODING
struct tds_encoding TDS_ENCODING
Information relevant to libiconv.
tdsdump_col
void tdsdump_col(const TDSCOLUMN *col)
Write a column value to the debug log.
Definition: log.c:408
tds_deferred_unprepare
TDSRET tds_deferred_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Unprepare dynamic on idle.
Definition: query.c:1774
TDS_PENDING
@ TDS_PENDING
cilent is waiting for data
Definition: tds.h:794
tds_socket::out_buf_max
unsigned int out_buf_max
Maximum size of packet pointed by out_buf.
Definition: tds.h:1192
tds_goodwrite
int tds_goodwrite(TDSSOCKET *tds, const unsigned char *buffer, size_t buflen)
Definition: net.c:987
tds_get_home_file
char * tds_get_home_file(const char *file)
Return filename from HOME directory.
Definition: config.c:325
tds_column
Metadata about columns in regular and compute rows.
Definition: tds.h:690
tdsdaterec::hour
TDS_INT hour
0-23
Definition: tds.h:167
tds_fix_column_size
size_t tds_fix_column_size(TDSSOCKET *tds, TDSCOLUMN *curcol)
Get column size for wire.
Definition: query.c:1491
TDS_DEAD
@ TDS_DEAD
no connection
Definition: tds.h:796
tds_flush_packet
TDSRET tds_flush_packet(TDSSOCKET *tds)
Flush packet to server.
Definition: write.c:224
tds_connection
Definition: tds.h:1092
tds_align_struct
Definition: tds.h:496
tds_process_cancel
TDSRET tds_process_cancel(TDSSOCKET *tds)
Definition: token.c:2550
tds_login::user_name
DSTR user_name
account for login
Definition: tds.h:535
tds_send_cancel
TDSRET tds_send_cancel(TDSSOCKET *tds)
tds_send_cancel() sends an empty packet (8 byte header only) tds_process_cancel should be called dire...
Definition: query.c:2026
TDSRESULTINFO
struct tds_result_info TDSRESULTINFO
Hold information for any results.
TDS_DONE_FINAL
@ TDS_DONE_FINAL
final result set, command completed successfully.
Definition: tds.h:252
tdsdaterec::dayofyear
TDS_INT dayofyear
day of year (1-366)
Definition: tds.h:165
tds_column::column_type
TDS_SERVER_TYPE column_type
This type can be different from wire type because conversion (e.g.
Definition: tds.h:697
tds_socket::in_flag
unsigned char in_flag
input buffer type
Definition: tds.h:1196
tds_end
tds_end
Flags returned in TDS_DONE token.
Definition: tds.h:251
tds_deferred_cursor_dealloc
TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR *cursor)
Deallocate cursor on idle.
Definition: query.c:3057
tds_lookup_host
struct addrinfo * tds_lookup_host(const char *servername)
Get the IP address for a hostname.
Definition: config.c:991
tds_writetext_start
TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size)
Start writing writetext request.
Definition: bulk.c:1118
tds_bcp_start_copy_in
TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start bulk copy to server.
Definition: bulk.c:887
tds_cursor::status
TDS_CURSOR_STATUS status
cursor parameter
Definition: tds.h:954
tds_bcp_send_record
TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset)
Send one row of data to server.
Definition: bulk.c:337
tds_multiple
Definition: tds.h:1020
tds_socket::in_pos
unsigned in_pos
current position in in_buf
Definition: tds.h:1193
TDS_DATETIMEALL::date
TDS_INT date
date, 0 = 1900-01-01
Definition: tds.h:149
tds_bcp_fread
TDSRET tds_bcp_fread(TDSSOCKET *tds, TDSICONV *conv, FILE *stream, const char *terminator, size_t term_len, char **outbuf, size_t *outbytes)
Read a data file, passing the data through iconv().
Definition: bulk.c:1048
tds_alloc_param_data
void * tds_alloc_param_data(TDSCOLUMN *curparam)
Allocate data for a parameter.
Definition: mem.c:364
tdsdump_close
void tdsdump_close(void)
Close the TDS dump log file.
Definition: log.c:193
TDS_READING
@ TDS_READING
client is reading data
Definition: tds.h:795
tds_login::server_realm_name
DSTR server_realm_name
server realm name (in freetds.conf)
Definition: tds.h:528
tds_cursor_dealloc
TDSRET tds_cursor_dealloc(TDSSOCKET *tds, TDSCURSOR *cursor)
Send a deallocation request to server.
Definition: query.c:3006
tds_numeric_to_string
TDS_INT tds_numeric_to_string(const TDS_NUMERIC *numeric, char *s)
Definition: numeric.c:95