Line data Source code
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 : #include <config.h>
22 :
23 : #include <stdarg.h>
24 : #include <stdio.h>
25 : #include <assert.h>
26 :
27 : #if HAVE_STRING_H
28 : #include <string.h>
29 : #endif /* HAVE_STRING_H */
30 :
31 : #if HAVE_STDLIB_H
32 : #include <stdlib.h>
33 : #endif /* HAVE_STDLIB_H */
34 :
35 : #if HAVE_UNISTD_H
36 : #include <unistd.h>
37 : #endif /* HAVE_UNISTD_H */
38 :
39 : #ifdef _WIN32
40 : #include <io.h>
41 : #endif
42 :
43 : #include <freetds/tds.h>
44 : #include <freetds/iconv.h>
45 : #include <freetds/convert.h>
46 : #include <freetds/bytes.h>
47 : #include <freetds/utils/string.h>
48 : #include <freetds/encodings.h>
49 : #include <freetds/replacements.h>
50 : #include <sybfront.h>
51 : #include <sybdb.h>
52 : #include <syberror.h>
53 : #include <dblib.h>
54 :
55 : #define HOST_COL_CONV_ERROR 1
56 : #define HOST_COL_NULL_ERROR 2
57 :
58 : #ifdef HAVE_FSEEKO
59 : typedef off_t offset_type;
60 : #elif defined(_WIN32) || defined(_WIN64)
61 : /* win32 version */
62 : typedef __int64 offset_type;
63 : # if defined(HAVE__FSEEKI64) && defined(HAVE__FTELLI64)
64 : # define fseeko(f,o,w) _fseeki64((f),o,w)
65 : # define ftello(f) _ftelli64((f))
66 : # else
67 : # define fseeko(f,o,w) (_lseeki64(fileno(f),o,w) == -1 ? -1 : 0)
68 : # define ftello(f) _telli64(fileno(f))
69 : # endif
70 : #else
71 : /* use old version */
72 : #define fseeko(f,o,w) fseek(f,o,w)
73 : #define ftello(f) ftell(f)
74 : typedef long offset_type;
75 : #endif
76 :
77 : static void _bcp_free_storage(DBPROCESS * dbproc);
78 : static void _bcp_free_columns(DBPROCESS * dbproc);
79 : static void _bcp_null_error(TDSBCPINFO *bcpinfo, int index, int offset);
80 : static TDSRET _bcp_get_col_data(TDSBCPINFO *bcpinfo, TDSCOLUMN *bindcol, int offset);
81 : static TDSRET _bcp_no_get_col_data(TDSBCPINFO *bcpinfo, TDSCOLUMN *bindcol, int offset);
82 :
83 : static int rtrim(char *, int);
84 : static int rtrim_u16(uint16_t *str, int len, uint16_t space);
85 : static STATUS _bcp_read_hostfile(DBPROCESS * dbproc, FILE * hostfile, bool *row_error, bool skip);
86 : static int _bcp_readfmt_colinfo(DBPROCESS * dbproc, char *buf, BCP_HOSTCOLINFO * ci);
87 : static int _bcp_get_term_var(const BYTE * pdata, const BYTE * term, int term_len);
88 :
89 : /*
90 : * "If a host file is being used ... the default data formats are as follows:
91 : *
92 : * > The order, type, length and number of the columns in the host file are
93 : * assumed to be identical to the order, type and number of the columns in the database table.
94 : * > If a given database column's data is fixed-length,
95 : * then the host file's data column will also be fixed-length.
96 : * > If a given database column's data is variable-length or may contain null values,
97 : * the host file's data column will be prefixed by
98 : * a 4-byte length value for SYBTEXT and SYBIMAGE data types, and
99 : * a 1-byte length value for all other types.
100 : * > There are no terminators of any kind between host file columns."
101 : */
102 :
103 : static void
104 268 : init_hostfile_columns(DBPROCESS *dbproc)
105 : {
106 268 : const int ncols = dbproc->bcpinfo->bindinfo->num_cols;
107 : RETCODE erc;
108 : int icol;
109 :
110 268 : if (ncols == 0)
111 : return;
112 :
113 268 : if ((erc = bcp_columns(dbproc, ncols)) != SUCCEED) {
114 0 : assert(erc == SUCCEED);
115 : return;
116 : }
117 :
118 1748 : for (icol = 0; icol < ncols; icol++) {
119 1480 : const TDSCOLUMN *pcol = dbproc->bcpinfo->bindinfo->columns[icol];
120 1480 : int prefixlen = 0, termlen = 0;
121 :
122 1480 : switch (pcol->column_type) {
123 : case SYBTEXT:
124 : case SYBIMAGE:
125 : prefixlen = 4;
126 : break;
127 1384 : default:
128 1384 : prefixlen = dbvarylen(dbproc, icol+1)? 1 : 0;
129 : }
130 :
131 1480 : erc = bcp_colfmt(dbproc, icol+1, pcol->column_type, prefixlen, pcol->column_size, NULL, termlen, icol+1);
132 :
133 1480 : assert(erc == SUCCEED);
134 : if (erc != SUCCEED)
135 : return;
136 : }
137 : }
138 :
139 :
140 : /**
141 : * \ingroup dblib_bcp
142 : * \brief Prepare for bulk copy operation on a table
143 : *
144 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
145 : * \param tblname the name of the table receiving or providing the data.
146 : * \param hfile the data file opposite the table, if any.
147 : * \param errfile the "error file" captures messages and, if errors are encountered,
148 : * copies of any rows that could not be written to the table.
149 : * \param direction one of
150 : * - \b DB_IN writing to the table
151 : * - \b DB_OUT writing to the host file
152 : * .
153 : * \remarks bcp_init() sets the host file data format and acquires the table metadata.
154 : * It is called before the other bulk copy functions.
155 : *
156 : * When writing to a table, bcp can use as its data source a data file (\a hfile),
157 : * or program data in an application's variables. In the latter case, call bcp_bind()
158 : * to associate your data with the appropriate table column.
159 : * \return SUCCEED or FAIL.
160 : * \sa BCP_SETL(), bcp_bind(), bcp_done(), bcp_exec()
161 : */
162 : RETCODE
163 306 : bcp_init(DBPROCESS * dbproc, const char *tblname, const char *hfile, const char *errfile, int direction)
164 : {
165 306 : tdsdump_log(TDS_DBG_FUNC, "bcp_init(%p, %s, %s, %s, %d)\n",
166 : dbproc, tblname? tblname:"NULL", hfile? hfile:"NULL", errfile? errfile:"NULL", direction);
167 306 : CHECK_CONN(FAIL);
168 :
169 : /*
170 : * Validate other parameters
171 : */
172 306 : if (dbproc->tds_socket->conn->tds_version < 0x500) {
173 0 : dbperror(dbproc, SYBETDSVER, 0);
174 0 : return FAIL;
175 : }
176 :
177 306 : if (tblname == NULL) {
178 0 : dbperror(dbproc, SYBEBCITBNM, 0);
179 0 : return FAIL;
180 : }
181 :
182 350 : if (direction != DB_QUERYOUT && !IS_TDS7_PLUS(dbproc->tds_socket->conn) &&
183 44 : strlen(tblname) > 92) { /* 30.30.30 for Sybase */
184 0 : dbperror(dbproc, SYBEBCITBLEN, 0);
185 0 : return FAIL;
186 : }
187 :
188 306 : if (direction != DB_IN && direction != DB_OUT && direction != DB_QUERYOUT) {
189 0 : dbperror(dbproc, SYBEBDIO, 0);
190 0 : return FAIL;
191 : }
192 :
193 : /* Free previously allocated storage in dbproc & initialise flags, etc. */
194 306 : _bcp_free_storage(dbproc);
195 :
196 : /* Allocate storage */
197 306 : dbproc->bcpinfo = tds_alloc_bcpinfo();
198 306 : if (dbproc->bcpinfo == NULL)
199 : goto memory_error;
200 :
201 306 : if (!tds_dstr_copy(&dbproc->bcpinfo->tablename, tblname))
202 : goto memory_error;
203 :
204 306 : dbproc->bcpinfo->direction = direction;
205 :
206 306 : dbproc->bcpinfo->xfer_init = false;
207 306 : dbproc->bcpinfo->bind_count = 0;
208 :
209 306 : if (TDS_FAILED(tds_bcp_init(dbproc->tds_socket, dbproc->bcpinfo))) {
210 : /* TODO return proper error */
211 : /* Attempt to use Bulk Copy with a non-existent Server table (might be why ...) */
212 0 : dbperror(dbproc, SYBEBCNT, 0);
213 0 : return FAIL;
214 : }
215 :
216 : /* Prepare default hostfile columns */
217 :
218 306 : if (hfile == NULL) {
219 38 : dbproc->hostfileinfo = NULL;
220 38 : return SUCCEED;
221 : }
222 :
223 268 : dbproc->hostfileinfo = tds_new0(BCP_HOSTFILEINFO, 1);
224 :
225 268 : if (dbproc->hostfileinfo == NULL)
226 : goto memory_error;
227 268 : dbproc->hostfileinfo->maxerrs = 10;
228 268 : dbproc->hostfileinfo->firstrow = 1;
229 268 : if ((dbproc->hostfileinfo->hostfile = strdup(hfile)) == NULL)
230 : goto memory_error;
231 :
232 268 : if (errfile != NULL)
233 268 : if ((dbproc->hostfileinfo->errorfile = strdup(errfile)) == NULL)
234 : goto memory_error;
235 :
236 268 : init_hostfile_columns(dbproc);
237 :
238 268 : return SUCCEED;
239 :
240 0 : memory_error:
241 0 : _bcp_free_storage(dbproc);
242 0 : dbperror(dbproc, SYBEMEM, ENOMEM);
243 0 : return FAIL;
244 : }
245 :
246 :
247 : /**
248 : * \ingroup dblib_bcp
249 : * \brief Set the length of a host variable to be written to a table.
250 : *
251 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
252 : * \param varlen size of the variable, in bytes, or
253 : * - \b 0 indicating NULL
254 : * - \b -1 indicating size is determined by the prefix or terminator.
255 : * (If both a prefix and a terminator are present, bcp is supposed to use the smaller of the
256 : * two. This feature might or might not actually work.)
257 : * \param table_column the number of the column in the table (starting with 1, not zero).
258 : *
259 : * \return SUCCEED or FAIL.
260 : * \sa bcp_bind(), bcp_colptr(), bcp_sendrow()
261 : */
262 : RETCODE
263 130 : bcp_collen(DBPROCESS * dbproc, DBINT varlen, int table_column)
264 : {
265 : TDSCOLUMN *bcpcol;
266 :
267 130 : tdsdump_log(TDS_DBG_FUNC, "bcp_collen(%p, %d, %d)\n", dbproc, varlen, table_column);
268 :
269 130 : CHECK_CONN(FAIL);
270 130 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL); /* not initialized */
271 130 : DBPERROR_RETURN(dbproc->bcpinfo->direction != DB_IN, SYBEBCPN) /* not inbound */
272 130 : DBPERROR_RETURN(dbproc->hostfileinfo != NULL, SYBEBCPI) /* cannot have data file */
273 130 : CHECK_PARAMETER(0 < table_column &&
274 : table_column <= dbproc->bcpinfo->bindinfo->num_cols, SYBECNOR, FAIL);
275 :
276 130 : bcpcol = dbproc->bcpinfo->bindinfo->columns[table_column - 1];
277 :
278 : /* Sybase library does not check for NULL here, only sending, so don't
279 : * check and send SYBEBCNN */
280 130 : bcpcol->column_bindlen = varlen;
281 :
282 130 : return SUCCEED;
283 : }
284 :
285 : /**
286 : * \ingroup dblib_bcp
287 : * \brief Indicate how many columns are to be found in the datafile.
288 : *
289 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
290 : * \param host_colcount count of columns in the datafile, irrespective of how many you intend to use.
291 : * \remarks This function describes the file as it is, not how it will be used.
292 : *
293 : * \return SUCCEED or FAIL. It's hard to see how it could fail.
294 : * \sa bcp_colfmt()
295 : */
296 : RETCODE
297 536 : bcp_columns(DBPROCESS * dbproc, int host_colcount)
298 : {
299 : int i;
300 :
301 536 : tdsdump_log(TDS_DBG_FUNC, "bcp_columns(%p, %d)\n", dbproc, host_colcount);
302 536 : CHECK_CONN(FAIL);
303 536 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
304 536 : CHECK_PARAMETER(dbproc->hostfileinfo, SYBEBIVI, FAIL);
305 :
306 536 : if (host_colcount < 1) {
307 0 : dbperror(dbproc, SYBEBCFO, 0);
308 0 : return FAIL;
309 : }
310 :
311 536 : _bcp_free_columns(dbproc);
312 :
313 536 : dbproc->hostfileinfo->host_columns = tds_new0(BCP_HOSTCOLINFO *, host_colcount);
314 536 : if (dbproc->hostfileinfo->host_columns == NULL) {
315 0 : dbperror(dbproc, SYBEMEM, ENOMEM);
316 0 : return FAIL;
317 : }
318 :
319 536 : dbproc->hostfileinfo->host_colcount = host_colcount;
320 :
321 3496 : for (i = 0; i < host_colcount; i++) {
322 2960 : dbproc->hostfileinfo->host_columns[i] = tds_new0(BCP_HOSTCOLINFO, 1);
323 2960 : if (dbproc->hostfileinfo->host_columns[i] == NULL) {
324 0 : dbproc->hostfileinfo->host_colcount = i;
325 0 : _bcp_free_columns(dbproc);
326 0 : dbperror(dbproc, SYBEMEM, ENOMEM);
327 0 : return FAIL;
328 : }
329 : }
330 :
331 : return SUCCEED;
332 : }
333 :
334 : /**
335 : * \ingroup dblib_bcp
336 : * \brief Specify the format of a datafile prior to writing to a table.
337 : *
338 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
339 : * \param host_colnum datafile column number (starting with 1, not zero).
340 : * \param host_type dataype token describing the data type in \a host_colnum. E.g. SYBCHAR for character data.
341 : * \param host_prefixlen size of the prefix in the datafile column, if any. For delimited files: zero.
342 : * May be 0, 1, 2, or 4 bytes. The prefix will be read as an integer (not a character string) from the
343 : * data file, and will be interpreted the data size of that column, in bytes.
344 : * \param host_collen maximum size of datafile column, exclusive of any prefix/terminator. Just the data, ma'am.
345 : * Special values:
346 : * - \b 0 indicates NULL.
347 : * - \b -1 for fixed-length non-null datatypes
348 : * - \b -1 for variable-length datatypes (e.g. SYBCHAR) where the length is established
349 : * by a prefix/terminator.
350 : * \param host_term the sequence of characters that will serve as a column terminator (delimiter) in the datafile.
351 : * Often a tab character, but can be any string of any length. Zero indicates no terminator.
352 : * Special characters:
353 : * - \b '\\0' terminator is an ASCII NUL.
354 : * - \b '\\t' terminator is an ASCII TAB.
355 : * - \b '\\n' terminator is an ASCII NL.
356 : * \param host_termlen the length of \a host_term, in bytes.
357 : * \param table_colnum Nth column, starting at 1, in the table that maps to \a host_colnum.
358 : * If there is a column in the datafile that does not map to a table column, set \a table_colnum to zero.
359 : *
360 : *\remarks bcp_colfmt() is called once for each column in the datafile, as specified with bcp_columns().
361 : * In so doing, you describe to FreeTDS how to parse each line of your datafile, and where to send each field.
362 : *
363 : * When a prefix or terminator is used with variable-length data, \a host_collen may have one of three values:
364 : * - \b positive indicating the maximum number of bytes to be used
365 : * - \b 0 indicating NULL
366 : * - \b -1 indicating no maximum; all data, as described by the prefix/terminator will be used.
367 : * .
368 : * \return SUCCEED or FAIL.
369 : * \sa bcp_batch(), bcp_bind(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(),
370 : * bcp_control(), bcp_done(), bcp_exec(), bcp_init(), bcp_sendrow
371 : */
372 : RETCODE
373 2960 : bcp_colfmt(DBPROCESS * dbproc, int host_colnum, int host_type, int host_prefixlen, DBINT host_collen, const BYTE * host_term,
374 : int host_termlen, int table_colnum)
375 : {
376 : BCP_HOSTCOLINFO *hostcol;
377 2960 : BYTE *terminator = NULL;
378 :
379 2960 : tdsdump_log(TDS_DBG_FUNC, "bcp_colfmt(%p, %d, %d, %d, %d, %p, %d, %d)\n",
380 : dbproc, host_colnum, host_type, host_prefixlen, (int) host_collen, host_term, host_termlen, table_colnum);
381 2960 : CHECK_CONN(FAIL);
382 2960 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
383 2960 : CHECK_PARAMETER(dbproc->hostfileinfo, SYBEBIVI, FAIL);
384 :
385 : /* Microsoft specifies a "file_termlen" of zero if there's no terminator */
386 2960 : if (dbproc->msdblib && host_termlen == 0)
387 : host_termlen = -1;
388 :
389 2960 : if (host_termlen < 0)
390 0 : host_termlen = -1;
391 :
392 2960 : if (dbproc->hostfileinfo->host_colcount == 0) {
393 0 : dbperror(dbproc, SYBEBCBC, 0);
394 0 : return FAIL;
395 : }
396 :
397 2960 : if (host_colnum < 1) {
398 0 : dbperror(dbproc, SYBEBCFO, 0);
399 0 : return FAIL;
400 : }
401 :
402 2960 : if (host_colnum > dbproc->hostfileinfo->host_colcount) {
403 0 : dbperror(dbproc, SYBECNOR, 0);
404 0 : return FAIL;
405 : }
406 :
407 2960 : if (host_prefixlen != 0 && host_prefixlen != 1 && host_prefixlen != 2 && host_prefixlen != 4 && host_prefixlen != -1) {
408 0 : dbperror(dbproc, SYBEBCPREF, 0);
409 0 : return FAIL;
410 : }
411 :
412 : /* if column is not copied you cannot specify destination type */
413 2960 : if (table_colnum <= 0 && host_type == 0) {
414 0 : dbperror(dbproc, SYBEBCPCTYP, 0);
415 0 : return FAIL;
416 : }
417 :
418 5920 : if (table_colnum > 0 && !is_tds_type_valid(host_type)) {
419 0 : dbperror(dbproc, SYBEUDTY, 0);
420 0 : return FAIL;
421 : }
422 :
423 2960 : if (host_type && host_prefixlen == 0 && host_collen == -1 && host_termlen == -1 && !is_fixed_type(host_type)) {
424 0 : dbperror(dbproc, SYBEVDPT, 0);
425 0 : return FAIL;
426 : }
427 :
428 2960 : if (host_collen < -1) {
429 0 : dbperror(dbproc, SYBEBCHLEN, 0);
430 0 : return FAIL;
431 : }
432 :
433 : /* No official error message. Fix and warn. */
434 2960 : if (is_fixed_type(host_type) && (host_collen != -1 && host_collen != 0)) {
435 620 : tdsdump_log(TDS_DBG_FUNC,
436 : "bcp_colfmt: changing host_collen to -1 from %d for fixed type %d.\n",
437 : host_collen, host_type);
438 : host_collen = -1;
439 : }
440 :
441 : /*
442 : * If there's a positive terminator length, we need a valid terminator pointer.
443 : * If the terminator length is 0 or -1, then there's no terminator.
444 : */
445 2960 : if (host_term == NULL && host_termlen > 0) {
446 0 : dbperror(dbproc, SYBEVDPT, 0); /* "all variable-length data must have either a length-prefix ..." */
447 0 : return FAIL;
448 : }
449 :
450 2960 : hostcol = dbproc->hostfileinfo->host_columns[host_colnum - 1];
451 :
452 : /* TODO add precision scale and join with bcp_colfmt_ps */
453 2960 : if (host_term && host_termlen > 0) {
454 1440 : if ((terminator = tds_new(BYTE, host_termlen)) == NULL) {
455 0 : dbperror(dbproc, SYBEMEM, errno);
456 0 : return FAIL;
457 : }
458 1440 : memcpy(terminator, host_term, host_termlen);
459 : }
460 2960 : hostcol->host_column = host_colnum;
461 2960 : hostcol->datatype = host_type ? (TDS_SERVER_TYPE) host_type : TDS_INVALID_TYPE;
462 2960 : hostcol->prefix_len = host_prefixlen;
463 2960 : hostcol->column_len = host_collen;
464 2960 : free(hostcol->terminator);
465 2960 : hostcol->terminator = terminator;
466 2960 : hostcol->term_len = host_termlen;
467 2960 : hostcol->tab_colnum = table_colnum;
468 :
469 2960 : return SUCCEED;
470 : }
471 :
472 : /**
473 : * \ingroup dblib_bcp
474 : * \brief Specify the format of a host file for bulk copy purposes,
475 : * with precision and scale support for numeric and decimal columns.
476 : *
477 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
478 : * \param host_colnum datafile column number (starting with 1, not zero).
479 : * \param host_type dataype token describing the data type in \a host_colnum. E.g. SYBCHAR for character data.
480 : * \param host_prefixlen size of the prefix in the datafile column, if any. For delimited files: zero.
481 : * May be 0, 1, 2, or 4 bytes. The prefix will be read as an integer (not a character string) from the
482 : * data file, and will be interpreted the data size of that column, in bytes.
483 : * \param host_collen maximum size of datafile column, exclusive of any prefix/terminator. Just the data, ma'am.
484 : * Special values:
485 : * - \b 0 indicates NULL.
486 : * - \b -1 for fixed-length non-null datatypes
487 : * - \b -1 for variable-length datatypes (e.g. SYBCHAR) where the length is established
488 : * by a prefix/terminator.
489 : * \param host_term the sequence of characters that will serve as a column terminator (delimiter) in the datafile.
490 : * Often a tab character, but can be any string of any length. Zero indicates no terminator.
491 : * Special characters:
492 : * - \b '\\0' terminator is an ASCII NUL.
493 : * - \b '\\t' terminator is an ASCII TAB.
494 : * - \b '\\n' terminator is an ASCII NL.
495 : * \param host_termlen the length of \a host_term, in bytes.
496 : * \param table_colnum Nth column, starting at 1, in the table that maps to \a host_colnum.
497 : * If there is a column in the datafile that does not map to a table column, set \a table_colnum to zero.
498 : * \param typeinfo something
499 : * \todo Not implemented.
500 : * \return SUCCEED or FAIL.
501 : * \sa bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_collen(), bcp_colptr(), bcp_columns(),
502 : * bcp_control(), bcp_done(), bcp_exec(), bcp_init(), bcp_sendrow
503 : */
504 : RETCODE
505 0 : bcp_colfmt_ps(DBPROCESS * dbproc, int host_colnum, int host_type,
506 : int host_prefixlen, DBINT host_collen, BYTE * host_term, int host_termlen, int table_colnum, DBTYPEINFO * typeinfo)
507 : {
508 0 : tdsdump_log(TDS_DBG_FUNC, "UNIMPLEMENTED: bcp_colfmt_ps(%p, %d, %d, %d, %d, %p, %d, %d, %p)\n",
509 : dbproc, host_colnum, host_type, host_prefixlen, (int) host_collen,
510 : host_term, host_termlen, table_colnum, typeinfo);
511 0 : CHECK_CONN(FAIL);
512 0 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
513 :
514 : /* dbperror(dbproc, , 0); Illegal precision specified */
515 :
516 : /* TODO see bcp_colfmt */
517 : return FAIL;
518 : }
519 :
520 :
521 : /**
522 : * \ingroup dblib_bcp
523 : * \brief Set BCP options for uploading a datafile
524 : *
525 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
526 : * \param field symbolic constant indicating the option to be set, one of:
527 : * - \b BCPMAXERRS Maximum errors tolerated before quitting. The default is 10.
528 : * - \b BCPFIRST The first row to read in the datafile. The default is 1.
529 : * - \b BCPLAST The last row to read in the datafile. The default is to copy all rows. A value of
530 : * -1 resets this field to its default?
531 : * - \b BCPBATCH The number of rows per batch. Default is 0, meaning a single batch.
532 : * \param value The value for \a field.
533 : *
534 : * \remarks These options control the behavior of bcp_exec().
535 : * When writing to a table from application host memory variables,
536 : * program logic controls error tolerance and batch size.
537 : *
538 : * \return SUCCEED or FAIL.
539 : * \sa bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_done(), bcp_exec(), bcp_options()
540 : */
541 : RETCODE
542 0 : bcp_control(DBPROCESS * dbproc, int field, DBINT value)
543 : {
544 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_control(%p, %d, %d)\n", dbproc, field, value);
545 0 : CHECK_CONN(FAIL);
546 0 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
547 :
548 0 : if (field == BCPKEEPIDENTITY) {
549 0 : dbproc->bcpinfo->identity_insert_on = (value != 0);
550 0 : return SUCCEED;
551 : }
552 :
553 0 : CHECK_PARAMETER(dbproc->hostfileinfo, SYBEBIVI, FAIL);
554 :
555 0 : switch (field) {
556 :
557 0 : case BCPMAXERRS:
558 0 : if (value < 1)
559 0 : value = 10;
560 0 : dbproc->hostfileinfo->maxerrs = value;
561 0 : break;
562 0 : case BCPFIRST:
563 0 : if (value < 1)
564 0 : value = 1;
565 0 : dbproc->hostfileinfo->firstrow = value;
566 0 : break;
567 0 : case BCPLAST:
568 0 : dbproc->hostfileinfo->lastrow = value;
569 0 : break;
570 0 : case BCPBATCH:
571 0 : dbproc->hostfileinfo->batch = value;
572 0 : break;
573 :
574 0 : default:
575 0 : dbperror(dbproc, SYBEIFNB, 0);
576 0 : return FAIL;
577 : }
578 : return SUCCEED;
579 : }
580 :
581 : /*
582 : * \ingroup dblib_bcp
583 : * \brief Get BCP batch option
584 : *
585 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
586 : * \remarks This function is specific to FreeTDS.
587 : *
588 : * \return the value that was set by bcp_control.
589 : * \sa bcp_batch(), bcp_control()
590 : */
591 : int
592 0 : bcp_getbatchsize(DBPROCESS * dbproc)
593 : {
594 0 : return dbproc->hostfileinfo->batch;
595 : }
596 :
597 : /**
598 : * \ingroup dblib_bcp
599 : * \brief Set "hints" for uploading a file. A FreeTDS-only function.
600 : *
601 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
602 : * \param option symbolic constant indicating the option to be set, one of:
603 : * - \b BCPLABELED Not implemented.
604 : * - \b BCPHINTS The hint to be passed when the bulk-copy begins.
605 : * \param value The string constant for \a option a/k/a the hint. One of:
606 : * - \b ORDER The data are ordered in accordance with the table's clustered index.
607 : * - \b ROWS_PER_BATCH The batch size
608 : * - \b KILOBYTES_PER_BATCH The approximate number of kilobytes to use for a batch size
609 : * - \b TABLOCK Lock the table
610 : * - \b CHECK_CONSTRAINTS Apply constraints
611 : * - \b FIRE_TRIGGERS Fire any INSERT triggers on the target table
612 : * \param valuelen The strlen of \a value.
613 : *
614 : * \return SUCCEED or FAIL.
615 : * \sa bcp_control(),
616 : * bcp_exec(),
617 : * \todo Simplify. Remove \a valuelen.
618 : */
619 : RETCODE
620 0 : bcp_options(DBPROCESS * dbproc, int option, BYTE * value, int valuelen)
621 : {
622 : int i;
623 : static const char *const hints[] = {
624 : "ORDER", "ROWS_PER_BATCH", "KILOBYTES_PER_BATCH", "TABLOCK", "CHECK_CONSTRAINTS",
625 : "FIRE_TRIGGERS", "KEEP_NULLS", NULL
626 : };
627 :
628 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_options(%p, %d, %p, %d)\n", dbproc, option, value, valuelen);
629 0 : CHECK_CONN(FAIL);
630 0 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
631 0 : CHECK_NULP(value, "bcp_options", 3, FAIL);
632 :
633 0 : switch (option) {
634 0 : case BCPLABELED:
635 0 : tdsdump_log(TDS_DBG_FUNC, "UNIMPLEMENTED bcp option: BCPLABELED\n");
636 : break;
637 0 : case BCPHINTS:
638 0 : if (!value || valuelen <= 0)
639 : break;
640 :
641 0 : for (i = 0; hints[i]; i++) { /* look up hint */
642 0 : if (strncasecmp((char *) value, hints[i], strlen(hints[i])) == 0) {
643 0 : if (!tds_dstr_copy(&dbproc->bcpinfo->hint, hints[i]))
644 : return FAIL;
645 0 : return SUCCEED;
646 : }
647 : }
648 0 : tdsdump_log(TDS_DBG_FUNC, "failed, no such hint\n");
649 : break;
650 0 : default:
651 0 : tdsdump_log(TDS_DBG_FUNC, "UNIMPLEMENTED bcp option: %u\n", option);
652 : break;
653 : }
654 0 : return FAIL;
655 : }
656 :
657 : /**
658 : * \ingroup dblib_bcp
659 : * \brief Override bcp_bind() by pointing to a different host variable.
660 : *
661 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
662 : * \param colptr The pointer, the address of your variable.
663 : * \param table_column The 1-based column ordinal in the table.
664 : * \remarks Use between calls to bcp_sendrow(). After calling bcp_colptr(),
665 : * subsequent calls to bcp_sendrow() will bind to the new address.
666 : * \return SUCCEED or FAIL.
667 : * \sa bcp_bind(), bcp_collen(), bcp_sendrow()
668 : */
669 : RETCODE
670 0 : bcp_colptr(DBPROCESS * dbproc, BYTE * colptr, int table_column)
671 : {
672 : TDSCOLUMN *curcol;
673 :
674 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_colptr(%p, %p, %d)\n", dbproc, colptr, table_column);
675 0 : CHECK_CONN(FAIL);
676 0 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
677 0 : CHECK_PARAMETER(dbproc->bcpinfo->bindinfo, SYBEBCPI, FAIL);
678 : /* colptr can be NULL */
679 :
680 0 : if (dbproc->bcpinfo->direction != DB_IN) {
681 0 : dbperror(dbproc, SYBEBCPN, 0);
682 0 : return FAIL;
683 : }
684 0 : if (table_column <= 0 || table_column > dbproc->bcpinfo->bindinfo->num_cols) {
685 0 : dbperror(dbproc, SYBEBCPN, 0);
686 0 : return FAIL;
687 : }
688 :
689 0 : curcol = dbproc->bcpinfo->bindinfo->columns[table_column - 1];
690 0 : curcol->column_varaddr = (TDS_CHAR *)colptr;
691 :
692 0 : return SUCCEED;
693 : }
694 :
695 :
696 : /**
697 : * \ingroup dblib_bcp
698 : * \brief See if BCP_SETL() was used to set the LOGINREC for BCP work.
699 : *
700 : * \param login Address of the LOGINREC variable to be passed to dbopen().
701 : *
702 : * \return TRUE or FALSE.
703 : * \sa BCP_SETL(), bcp_init(), dblogin(), dbopen()
704 : */
705 : DBBOOL
706 10 : bcp_getl(LOGINREC * login)
707 : {
708 10 : TDSLOGIN *tdsl = login->tds_login;
709 :
710 10 : tdsdump_log(TDS_DBG_FUNC, "bcp_getl(%p)\n", login);
711 :
712 10 : return (tdsl->bulk_copy);
713 : }
714 :
715 : /**
716 : * Convert column for output (usually to a file)
717 : * Conversion is slightly different from input as:
718 : * - date is formatted differently;
719 : * - you have to set properly numeric while on input the column metadata are
720 : * used;
721 : * - we need to make sure buffer is always at least a minimum bytes.
722 : */
723 : static int
724 1386 : _bcp_convert_out(DBPROCESS * dbproc, TDSCOLUMN *curcol, BCP_HOSTCOLINFO *hostcol, TDS_UCHAR **p_data, const char *bcpdatefmt)
725 : {
726 : BYTE *src;
727 : int srclen;
728 : int buflen;
729 1386 : int srctype = tds_get_conversion_type(curcol->column_type, curcol->column_size);
730 :
731 1386 : src = curcol->column_data;
732 1386 : if (is_blob_col(curcol))
733 84 : src = (BYTE *) ((TDSBLOB *) src)->textvalue;
734 :
735 1386 : srclen = curcol->column_cur_size;
736 :
737 : /*
738 : * if we are converting datetime to string, need to override any
739 : * date time formats already established
740 : */
741 1386 : if (is_datetime_type(srctype) && is_ascii_type(hostcol->datatype)) {
742 : TDSDATEREC when;
743 :
744 28 : tds_datecrack(srctype, src, &when);
745 28 : buflen = (int)tds_strftime((TDS_CHAR *)(*p_data), 256,
746 : bcpdatefmt, &when, 3);
747 1358 : } else if (srclen == 0 && is_variable_type(curcol->column_type)
748 40 : && is_ascii_type(hostcol->datatype)) {
749 : /*
750 : * An empty string is denoted in the output file by a single ASCII NUL
751 : * byte that we request by specifying a destination length of -1. (Not
752 : * to be confused with a database NULL, which is denoted in the output
753 : * file with an empty string!)
754 : */
755 40 : (*p_data)[0] = 0;
756 40 : buflen = 1;
757 1318 : } else if (is_numeric_type(hostcol->datatype)) {
758 0 : TDS_NUMERIC *num = (TDS_NUMERIC *) (*p_data);
759 0 : if (is_numeric_type(srctype)) {
760 0 : TDS_NUMERIC *nsrc = (TDS_NUMERIC *) src;
761 0 : num->precision = nsrc->precision;
762 0 : num->scale = nsrc->scale;
763 : } else {
764 0 : num->precision = 18;
765 0 : num->scale = 0;
766 : }
767 0 : buflen = tds_convert(dbproc->tds_socket->conn->tds_ctx, srctype, src, srclen, hostcol->datatype, (CONV_RESULT *) num);
768 0 : if (buflen > 0)
769 0 : buflen = tds_numeric_bytes_per_prec[num->precision] + 2;
770 1318 : } else if (!is_variable_type(hostcol->datatype)) {
771 10 : buflen = tds_convert(dbproc->tds_socket->conn->tds_ctx, srctype, src, srclen, hostcol->datatype, (CONV_RESULT *) (*p_data));
772 : } else {
773 : CONV_RESULT cr;
774 :
775 : /*
776 : * For null columns, the above work to determine the output buffer size is moot,
777 : * because bcpcol->data_size is zero, so dbconvert() won't write anything,
778 : * and returns zero.
779 : */
780 1308 : buflen = tds_convert(dbproc->tds_socket->conn->tds_ctx, srctype, src, srclen, hostcol->datatype, (CONV_RESULT *) &cr);
781 1308 : if (buflen < 0)
782 0 : return buflen;
783 :
784 1308 : if (buflen >= 256) {
785 30 : free(*p_data);
786 30 : *p_data = (TDS_UCHAR *) cr.c;
787 : } else {
788 1278 : memcpy(*p_data, cr.c, buflen);
789 1278 : free(cr.c);
790 : }
791 :
792 : /*
793 : * Special case: When outputting database varchar data
794 : * (either varchar or nullable char) conversion may have
795 : * trimmed trailing blanks such that nothing is left.
796 : * In this case we need to put a single blank to the output file.
797 : */
798 1308 : if (is_char_type(curcol->column_type) && srclen > 0 && buflen == 0) {
799 0 : strcpy ((char *) (*p_data), " ");
800 0 : buflen = 1;
801 : }
802 : }
803 : return buflen;
804 : }
805 :
806 : static int
807 0 : bcp_cache_prefix_len(BCP_HOSTCOLINFO *hostcol, const TDSCOLUMN *curcol)
808 : {
809 : int plen;
810 :
811 0 : if (is_blob_type(hostcol->datatype))
812 : plen = 4;
813 0 : else if (is_numeric_type(hostcol->datatype))
814 : plen = 1;
815 0 : else if (!is_fixed_type(hostcol->datatype))
816 : plen = 2;
817 0 : else if (curcol->column_nullable)
818 : plen = 1;
819 : else
820 0 : plen = 0;
821 : /* cache */
822 0 : return hostcol->prefix_len = plen;
823 : }
824 :
825 : static RETCODE
826 1496 : bcp_write_prefix(FILE *hostfile, BCP_HOSTCOLINFO *hostcol, TDSCOLUMN *curcol, int buflen)
827 : {
828 : union {
829 : TDS_TINYINT ti;
830 : TDS_SMALLINT si;
831 : TDS_INT li;
832 : } u;
833 : int plen;
834 :
835 : /* compute prefix len if needed */
836 1496 : if ((plen = hostcol->prefix_len) == -1)
837 0 : plen = bcp_cache_prefix_len(hostcol, curcol);
838 :
839 : /* output prefix to file */
840 1496 : switch (plen) {
841 : default:
842 : return SUCCEED;
843 10 : case 1:
844 10 : u.ti = buflen;
845 10 : break;
846 0 : case 2:
847 0 : u.si = buflen;
848 0 : break;
849 10 : case 4:
850 10 : u.li = buflen;
851 10 : break;
852 : }
853 20 : if (fwrite(&u, plen, 1, hostfile) == 1)
854 : return SUCCEED;
855 :
856 0 : return FAIL;
857 : }
858 :
859 : /**
860 : * \ingroup dblib_bcp_internal
861 : * \brief
862 : *
863 : *
864 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
865 : * \param rows_copied
866 : *
867 : * \return SUCCEED or FAIL.
868 : * \sa BCP_SETL(), bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(), bcp_done(), bcp_exec(), bcp_getl(), bcp_init(), bcp_moretext(), bcp_options(), bcp_readfmt(), bcp_sendrow()
869 : */
870 : static RETCODE
871 134 : _bcp_exec_out(DBPROCESS * dbproc, DBINT * rows_copied)
872 : {
873 134 : FILE *hostfile = NULL;
874 134 : TDS_UCHAR *data = NULL;
875 : int i;
876 :
877 : TDSSOCKET *tds;
878 : TDSRESULTINFO *resinfo;
879 134 : TDSCOLUMN *curcol = NULL;
880 : BCP_HOSTCOLINFO *hostcol;
881 : int buflen;
882 :
883 : TDS_INT result_type;
884 :
885 : int row_of_query;
886 : int rows_written;
887 : const char *bcpdatefmt;
888 : TDSRET tdsret;
889 :
890 134 : tdsdump_log(TDS_DBG_FUNC, "_bcp_exec_out(%p, %p)\n", dbproc, rows_copied);
891 134 : assert(dbproc);
892 134 : assert(rows_copied);
893 :
894 134 : tds = dbproc->tds_socket;
895 134 : assert(tds);
896 :
897 134 : bcpdatefmt = getenv("FREEBCP_DATEFMT");
898 134 : if (!bcpdatefmt)
899 134 : bcpdatefmt = "%Y-%m-%d %H:%M:%S.%z";
900 :
901 134 : if (dbproc->bcpinfo->direction == DB_QUERYOUT ) {
902 0 : if (TDS_FAILED(tds_submit_query(tds, tds_dstr_cstr(&dbproc->bcpinfo->tablename))))
903 : return FAIL;
904 : } else {
905 : /* TODO quote if needed */
906 268 : if (TDS_FAILED(tds_submit_queryf(tds, "select * from %s", tds_dstr_cstr(&dbproc->bcpinfo->tablename))))
907 : return FAIL;
908 : }
909 :
910 134 : tdsret = tds_process_tokens(tds, &result_type, NULL, TDS_TOKEN_RESULTS);
911 134 : if (TDS_FAILED(tdsret))
912 : return FAIL;
913 :
914 134 : if (!tds->res_info) {
915 : /* TODO flush/cancel to keep consistent state */
916 : return FAIL;
917 : }
918 :
919 134 : resinfo = tds->res_info;
920 :
921 134 : row_of_query = 0;
922 134 : rows_written = 0;
923 :
924 : /* allocate at least 256 bytes */
925 : /* allocate data for buffer conversion */
926 134 : data = tds_new(TDS_UCHAR, 256);
927 134 : if (!data) {
928 0 : dbperror(dbproc, SYBEMEM, errno);
929 : goto Cleanup;
930 : }
931 :
932 : /*
933 : * TODO above we allocate many buffer just to convert and store
934 : * to file.. avoid all that passages...
935 : */
936 :
937 134 : if (!(hostfile = fopen(dbproc->hostfileinfo->hostfile, "w"))) {
938 0 : dbperror(dbproc, SYBEBCUO, errno);
939 0 : goto Cleanup;
940 : }
941 :
942 : /* fetch a row of data from the server */
943 :
944 404 : while (tds_process_tokens(tds, &result_type, NULL, TDS_STOPAT_ROWFMT|TDS_RETURN_DONE|TDS_RETURN_ROW|TDS_RETURN_COMPUTE)
945 : == TDS_SUCCESS) {
946 :
947 404 : if (result_type != TDS_ROW_RESULT && result_type != TDS_COMPUTE_RESULT)
948 : break;
949 :
950 270 : row_of_query++;
951 :
952 : /* skip rows outside of the firstrow/lastrow range, if specified */
953 270 : if (dbproc->hostfileinfo->firstrow > row_of_query ||
954 : row_of_query > TDS_MAX(dbproc->hostfileinfo->lastrow, 0x7FFFFFFF))
955 0 : continue;
956 :
957 : /* Go through the hostfile columns, finding those that relate to database columns. */
958 1496 : for (i = 0; i < dbproc->hostfileinfo->host_colcount; i++) {
959 1496 : hostcol = dbproc->hostfileinfo->host_columns[i];
960 1496 : if (hostcol->tab_colnum < 1 || hostcol->tab_colnum > resinfo->num_cols)
961 0 : continue;
962 :
963 1496 : curcol = resinfo->columns[hostcol->tab_colnum - 1];
964 :
965 1496 : if (curcol->column_cur_size < 0) {
966 : buflen = 0;
967 : } else {
968 1386 : buflen = _bcp_convert_out(dbproc, curcol, hostcol, &data, bcpdatefmt);
969 : }
970 1386 : if (buflen < 0) {
971 0 : _dblib_convert_err(dbproc, buflen);
972 0 : goto Cleanup;
973 : }
974 :
975 : /* The prefix */
976 1496 : if (bcp_write_prefix(hostfile, hostcol, curcol, buflen) != SUCCEED)
977 : goto write_error;
978 :
979 : /* The data */
980 1496 : if (hostcol->column_len != -1) {
981 0 : buflen = TDS_MIN(buflen, hostcol->column_len);
982 : }
983 :
984 1496 : if (buflen > 0) {
985 1386 : if (fwrite(data, buflen, 1, hostfile) != 1)
986 : goto write_error;
987 : }
988 :
989 : /* The terminator */
990 1496 : if (hostcol->terminator && hostcol->term_len > 0) {
991 1476 : if (fwrite(hostcol->terminator, hostcol->term_len, 1, hostfile) != 1)
992 : goto write_error;
993 : }
994 : }
995 270 : rows_written++;
996 : }
997 134 : if (fclose(hostfile) != 0) {
998 0 : dbperror(dbproc, SYBEBCUC, errno);
999 0 : goto Cleanup;
1000 : }
1001 134 : hostfile = NULL;
1002 :
1003 134 : if (row_of_query + 1 < dbproc->hostfileinfo->firstrow) {
1004 : /*
1005 : * The table which bulk-copy is attempting to
1006 : * copy to a host-file is shorter than the
1007 : * number of rows which bulk-copy was instructed to skip.
1008 : */
1009 : /* TODO reset TDSSOCKET state */
1010 0 : dbperror(dbproc, SYBETTS, 0);
1011 : goto Cleanup;
1012 : }
1013 :
1014 134 : *rows_copied = rows_written;
1015 134 : free(data);
1016 134 : return SUCCEED;
1017 :
1018 0 : write_error:
1019 0 : dbperror(dbproc, SYBEBCWE, errno);
1020 :
1021 0 : Cleanup:
1022 0 : if (hostfile)
1023 0 : fclose(hostfile);
1024 0 : free(data);
1025 0 : return FAIL;
1026 : }
1027 :
1028 : static STATUS
1029 134 : _bcp_check_eof(DBPROCESS * dbproc, FILE *file, int icol)
1030 : {
1031 134 : int errnum = errno;
1032 :
1033 134 : tdsdump_log(TDS_DBG_FUNC, "_bcp_check_eof(%p, %p, %d)\n", dbproc, file, icol);
1034 134 : assert(dbproc);
1035 134 : assert(file);
1036 :
1037 134 : if (feof(file)) {
1038 134 : if (icol == 0) {
1039 134 : tdsdump_log(TDS_DBG_FUNC, "Normal end-of-file reached while loading bcp data file.\n");
1040 : return NO_MORE_ROWS;
1041 : }
1042 0 : dbperror(dbproc, SYBEBEOF, errnum);
1043 0 : return FAIL;
1044 : }
1045 0 : dbperror(dbproc, SYBEBCRE, errnum);
1046 0 : return FAIL;
1047 : }
1048 :
1049 : /**
1050 : * Convert column for input to a table
1051 : */
1052 : static TDSRET
1053 4196 : _bcp_convert_in(DBPROCESS *dbproc, TDS_SERVER_TYPE srctype, const TDS_CHAR *src, TDS_UINT srclen,
1054 : TDS_SERVER_TYPE desttype, BCPCOLDATA *coldata)
1055 : {
1056 4196 : bool variable = true;
1057 : CONV_RESULT cr, *p_cr;
1058 : TDS_INT len;
1059 :
1060 4196 : coldata->is_null = false;
1061 :
1062 4196 : if (!is_variable_type(desttype)) {
1063 3016 : variable = false;
1064 3016 : p_cr = (CONV_RESULT *) coldata->data;
1065 : } else {
1066 : p_cr = &cr;
1067 : }
1068 :
1069 4196 : len = tds_convert(dbproc->tds_socket->conn->tds_ctx, srctype, src, srclen, desttype, p_cr);
1070 4196 : if (len < 0) {
1071 0 : _dblib_convert_err(dbproc, len);
1072 0 : return TDS_FAIL;
1073 : }
1074 :
1075 4196 : coldata->datalen = len;
1076 4196 : if (variable) {
1077 1180 : free(coldata->data);
1078 1180 : coldata->data = (TDS_UCHAR *) cr.c;
1079 : }
1080 : return TDS_SUCCESS;
1081 : }
1082 :
1083 : static void
1084 4196 : rtrim_bcpcol(TDSCOLUMN *bcpcol)
1085 : {
1086 : /* trim trailing blanks from character data */
1087 4196 : if (is_ascii_type(bcpcol->on_server.column_type)) {
1088 : /* A single NUL byte indicates an empty string. */
1089 1046 : if (bcpcol->bcp_column_data->datalen == 1
1090 200 : && bcpcol->bcp_column_data->data[0] == '\0') {
1091 24 : bcpcol->bcp_column_data->datalen = 0;
1092 24 : return;
1093 : }
1094 2044 : bcpcol->bcp_column_data->datalen = rtrim((char *) bcpcol->bcp_column_data->data,
1095 : bcpcol->bcp_column_data->datalen);
1096 1022 : return;
1097 : }
1098 :
1099 : /* unicode part */
1100 3150 : if (is_unicode_type(bcpcol->on_server.column_type)) {
1101 : uint16_t *data, space;
1102 :
1103 50 : if (!bcpcol->char_conv || bcpcol->char_conv->to.charset.min_bytes_per_char != 2)
1104 0 : return;
1105 :
1106 50 : data = (uint16_t *) bcpcol->bcp_column_data->data;
1107 : /* A single NUL byte indicates an empty string. */
1108 50 : if (bcpcol->bcp_column_data->datalen == 2 && data[0] == 0) {
1109 0 : bcpcol->bcp_column_data->datalen = 0;
1110 0 : return;
1111 : }
1112 50 : switch (bcpcol->char_conv->to.charset.canonic) {
1113 0 : case TDS_CHARSET_UTF_16BE:
1114 : case TDS_CHARSET_UCS_2BE:
1115 0 : TDS_PUT_A2BE(&space, 0x20);
1116 0 : break;
1117 50 : case TDS_CHARSET_UTF_16LE:
1118 : case TDS_CHARSET_UCS_2LE:
1119 50 : TDS_PUT_A2LE(&space, 0x20);
1120 50 : break;
1121 : default:
1122 : return;
1123 : }
1124 100 : bcpcol->bcp_column_data->datalen = rtrim_u16(data, bcpcol->bcp_column_data->datalen, space);
1125 : }
1126 : }
1127 :
1128 : /**
1129 : * \ingroup dblib_bcp_internal
1130 : * \brief
1131 : *
1132 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1133 : * \param hostfile
1134 : * \param row_error
1135 : *
1136 : * \return MORE_ROWS, NO_MORE_ROWS, or FAIL.
1137 : * \sa BCP_SETL(), bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(), bcp_done(), bcp_exec(), bcp_getl(), bcp_init(), bcp_moretext(), bcp_options(), bcp_readfmt(), bcp_sendrow()
1138 : */
1139 : static STATUS
1140 404 : _bcp_read_hostfile(DBPROCESS * dbproc, FILE * hostfile, bool *row_error, bool skip)
1141 : {
1142 : int i;
1143 :
1144 404 : tdsdump_log(TDS_DBG_FUNC, "_bcp_read_hostfile(%p, %p, %p, %d)\n", dbproc, hostfile, row_error, skip);
1145 404 : assert(dbproc);
1146 404 : assert(hostfile);
1147 404 : assert(row_error);
1148 :
1149 : /* for each host file column defined by calls to bcp_colfmt */
1150 :
1151 3396 : for (i = 0; i < dbproc->hostfileinfo->host_colcount; i++) {
1152 1630 : TDSCOLUMN *bcpcol = NULL;
1153 : BCP_HOSTCOLINFO *hostcol;
1154 : TDS_CHAR *coldata;
1155 1630 : int collen = 0;
1156 1630 : bool data_is_null = false;
1157 : offset_type col_start;
1158 :
1159 1630 : tdsdump_log(TDS_DBG_FUNC, "parsing host column %d\n", i + 1);
1160 1630 : hostcol = dbproc->hostfileinfo->host_columns[i];
1161 :
1162 1630 : hostcol->column_error = 0;
1163 :
1164 : /*
1165 : * If this host file column contains table data,
1166 : * find the right element in the table/column list.
1167 : */
1168 1630 : if (hostcol->tab_colnum > 0) {
1169 1630 : if (hostcol->tab_colnum > dbproc->bcpinfo->bindinfo->num_cols) {
1170 0 : tdsdump_log(TDS_DBG_FUNC, "error: file wider than table: %d/%d\n",
1171 : i+1, dbproc->bcpinfo->bindinfo->num_cols);
1172 0 : dbperror(dbproc, SYBEBEOF, 0);
1173 0 : return FAIL;
1174 : }
1175 1630 : tdsdump_log(TDS_DBG_FUNC, "host column %d uses bcpcol %d (%p)\n",
1176 : i+1, hostcol->tab_colnum, bcpcol);
1177 1630 : bcpcol = dbproc->bcpinfo->bindinfo->columns[hostcol->tab_colnum - 1];
1178 1630 : assert(bcpcol != NULL);
1179 : }
1180 :
1181 : /* detect prefix len */
1182 1630 : if (bcpcol && hostcol->prefix_len == -1)
1183 0 : bcp_cache_prefix_len(hostcol, bcpcol);
1184 :
1185 : /* a prefix length, if extant, specifies how many bytes to read */
1186 1630 : if (hostcol->prefix_len > 0) {
1187 : union {
1188 : TDS_TINYINT ti;
1189 : TDS_SMALLINT si;
1190 : TDS_INT li;
1191 : } u;
1192 :
1193 30 : switch (hostcol->prefix_len) {
1194 20 : case 1:
1195 20 : if (fread(&u.ti, 1, 1, hostfile) != 1)
1196 20 : return _bcp_check_eof(dbproc, hostfile, i);
1197 10 : collen = u.ti ? u.ti : -1;
1198 10 : break;
1199 0 : case 2:
1200 0 : if (fread(&u.si, 2, 1, hostfile) != 1)
1201 0 : return _bcp_check_eof(dbproc, hostfile, i);
1202 0 : collen = u.si;
1203 0 : break;
1204 10 : case 4:
1205 10 : if (fread(&u.li, 4, 1, hostfile) != 1)
1206 0 : return _bcp_check_eof(dbproc, hostfile, i);
1207 10 : collen = u.li;
1208 10 : break;
1209 0 : default:
1210 : /* FIXME return error, remember that prefix_len can be 3 */
1211 0 : assert(hostcol->prefix_len <= 4);
1212 : break;
1213 : }
1214 :
1215 : /* TODO test all NULL types */
1216 : /* TODO for < -1 error */
1217 20 : if (collen <= -1) {
1218 : data_is_null = true;
1219 : collen = 0;
1220 : }
1221 : }
1222 :
1223 : /* if (Max) column length specified take that into consideration. (Meaning what, exactly?) */
1224 :
1225 1620 : if (!data_is_null && hostcol->column_len >= 0) {
1226 0 : if (hostcol->column_len == 0)
1227 : data_is_null = true;
1228 0 : else if (collen)
1229 0 : collen = TDS_MIN(hostcol->column_len, collen);
1230 : else
1231 : collen = hostcol->column_len;
1232 : }
1233 :
1234 1620 : tdsdump_log(TDS_DBG_FUNC, "prefix_len = %d collen = %d \n", hostcol->prefix_len, collen);
1235 :
1236 : /* Fixed Length data - this overrides anything else specified */
1237 :
1238 1620 : if (is_fixed_type(hostcol->datatype))
1239 10 : collen = tds_get_size_by_type(hostcol->datatype);
1240 :
1241 1620 : col_start = ftello(hostfile);
1242 :
1243 : /*
1244 : * The data file either contains prefixes stating the length, or is delimited.
1245 : * If delimited, we "measure" the field by looking for the terminator, then read it,
1246 : * and set collen to the field's post-iconv size.
1247 : */
1248 1620 : if (hostcol->term_len > 0) { /* delimited data file */
1249 : size_t col_bytes;
1250 : TDSRET conv_res;
1251 :
1252 : /*
1253 : * Read and convert the data
1254 : */
1255 1600 : coldata = NULL;
1256 3200 : conv_res = tds_bcp_fread(dbproc->tds_socket, bcpcol ? bcpcol->char_conv : NULL, hostfile,
1257 1600 : (const char *) hostcol->terminator, hostcol->term_len, &coldata, &col_bytes);
1258 :
1259 1600 : if (TDS_FAILED(conv_res)) {
1260 0 : tdsdump_log(TDS_DBG_FUNC, "col %d: error converting %ld bytes!\n",
1261 : (i+1), (long) collen);
1262 0 : *row_error = true;
1263 0 : free(coldata);
1264 0 : dbperror(dbproc, SYBEBCOR, 0);
1265 0 : return FAIL;
1266 : }
1267 :
1268 1600 : if (conv_res == TDS_NO_MORE_RESULTS) {
1269 124 : free(coldata);
1270 124 : return _bcp_check_eof(dbproc, hostfile, i);
1271 : }
1272 :
1273 1476 : if (col_bytes > 0x7fffffffl) {
1274 0 : free(coldata);
1275 0 : *row_error = true;
1276 0 : tdsdump_log(TDS_DBG_FUNC, "data from file is too large!\n");
1277 0 : dbperror(dbproc, SYBEBCOR, 0);
1278 0 : return FAIL;
1279 : }
1280 :
1281 1476 : collen = (int)col_bytes;
1282 1476 : if (collen == 0)
1283 110 : data_is_null = true;
1284 :
1285 : /*
1286 : * TODO:
1287 : * Dates are a problem. In theory, we should be able to read non-English dates, which
1288 : * would contain non-ASCII characters. One might suppose we should convert date
1289 : * strings to ISO-8859-1 (or another canonical form) here, because tds_convert() can't be
1290 : * expected to deal with encodings. But instead date strings are read verbatim and
1291 : * passed to tds_convert() without even waving to iconv(). For English dates, this works,
1292 : * because English dates expressed as UTF-8 strings are indistinguishable from the ASCII.
1293 : */
1294 : } else { /* unterminated field */
1295 :
1296 20 : coldata = tds_new(TDS_CHAR, 1 + collen);
1297 20 : if (coldata == NULL) {
1298 0 : *row_error = true;
1299 0 : dbperror(dbproc, SYBEMEM, errno);
1300 0 : return FAIL;
1301 : }
1302 :
1303 20 : coldata[collen] = 0;
1304 20 : if (collen) {
1305 : /*
1306 : * Read and convert the data
1307 : * TODO: Call tds_bcp_fread() instead of fread(3).
1308 : * The columns should each have their iconv cd set, and noncharacter data
1309 : * should have -1 as the iconv cd, causing tds_bcp_fread() to not attempt
1310 : * any conversion. We do not need a datatype switch here to decide what to do.
1311 : * As of 0.62, this *should* actually work. All that remains is to change the
1312 : * call and test it.
1313 : */
1314 20 : tdsdump_log(TDS_DBG_FUNC, "Reading %d bytes from hostfile.\n", collen);
1315 20 : if (fread(coldata, collen, 1, hostfile) != 1) {
1316 0 : free(coldata);
1317 0 : return _bcp_check_eof(dbproc, hostfile, i);
1318 : }
1319 : }
1320 : }
1321 :
1322 : /*
1323 : * At this point, however the field was read, however big it was, its address is coldata and its size is collen.
1324 : */
1325 1496 : tdsdump_log(TDS_DBG_FUNC, "Data read from hostfile: collen is now %d, data_is_null is %d\n", collen, data_is_null);
1326 1496 : if (!skip && bcpcol) {
1327 1496 : if (data_is_null) {
1328 110 : bcpcol->bcp_column_data->is_null = true;
1329 110 : bcpcol->bcp_column_data->datalen = 0;
1330 : } else {
1331 : TDSRET rc;
1332 : TDS_SERVER_TYPE desttype;
1333 :
1334 1386 : desttype = tds_get_conversion_type(bcpcol->column_type, bcpcol->column_size);
1335 :
1336 1386 : rc = _bcp_convert_in(dbproc, hostcol->datatype, (const TDS_CHAR*) coldata, collen,
1337 : desttype, bcpcol->bcp_column_data);
1338 1386 : if (TDS_FAILED(rc)) {
1339 0 : hostcol->column_error = HOST_COL_CONV_ERROR;
1340 0 : *row_error = true;
1341 0 : tdsdump_log(TDS_DBG_FUNC,
1342 : "_bcp_read_hostfile failed to convert %d bytes at offset 0x%" PRIx64 " in the data file.\n",
1343 : collen, (TDS_INT8) col_start);
1344 : }
1345 :
1346 1386 : rtrim_bcpcol(bcpcol);
1347 : }
1348 : #if USING_SYBEBCNN
1349 : if (!hostcol->column_error) {
1350 : if (bcpcol->bcp_column_data->datalen <= 0) { /* Are we trying to insert a NULL ? */
1351 : if (!bcpcol->column_nullable) {
1352 : /* too bad if the column is not nullable */
1353 : hostcol->column_error = HOST_COL_NULL_ERROR;
1354 : *row_error = true;
1355 : dbperror(dbproc, SYBEBCNN, 0);
1356 : }
1357 : }
1358 : }
1359 : #endif
1360 : }
1361 1496 : free(coldata);
1362 : }
1363 : return MORE_ROWS;
1364 : }
1365 :
1366 : /**
1367 : * \ingroup dblib_bcp
1368 : * \brief Write data in host variables to the table.
1369 : *
1370 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1371 : *
1372 : * \remarks Call bcp_bind() first to describe the variables to be used.
1373 : * Use bcp_batch() to commit sets of rows.
1374 : * After sending the last row call bcp_done().
1375 : * \return SUCCEED or FAIL.
1376 : * \sa bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_collen(), bcp_colptr(), bcp_columns(),
1377 : * bcp_control(), bcp_done(), bcp_exec(), bcp_init(), bcp_moretext(), bcp_options()
1378 : */
1379 : RETCODE
1380 180 : bcp_sendrow(DBPROCESS * dbproc)
1381 : {
1382 : TDSSOCKET *tds;
1383 :
1384 180 : tdsdump_log(TDS_DBG_FUNC, "bcp_sendrow(%p)\n", dbproc);
1385 180 : CHECK_CONN(FAIL);
1386 180 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
1387 :
1388 180 : tds = dbproc->tds_socket;
1389 :
1390 180 : if (dbproc->bcpinfo->direction != DB_IN) {
1391 0 : dbperror(dbproc, SYBEBCPN, 0);
1392 0 : return FAIL;
1393 : }
1394 :
1395 180 : if (dbproc->hostfileinfo != NULL) {
1396 0 : dbperror(dbproc, SYBEBCPB, 0);
1397 0 : return FAIL;
1398 : }
1399 :
1400 : /*
1401 : * The first time sendrow is called after bcp_init,
1402 : * there is a certain amount of initialisation to be done.
1403 : */
1404 180 : if (!dbproc->bcpinfo->xfer_init) {
1405 :
1406 : /* The start_copy function retrieves details of the table's columns */
1407 28 : if (TDS_FAILED(tds_bcp_start_copy_in(tds, dbproc->bcpinfo))) {
1408 0 : dbperror(dbproc, SYBEBULKINSERT, 0);
1409 0 : return FAIL;
1410 : }
1411 :
1412 28 : dbproc->bcpinfo->xfer_init = true;
1413 :
1414 : }
1415 :
1416 180 : dbproc->bcpinfo->parent = dbproc;
1417 180 : return TDS_FAILED(tds_bcp_send_record(dbproc->tds_socket, dbproc->bcpinfo,
1418 180 : _bcp_get_col_data, _bcp_null_error, 0)) ? FAIL : SUCCEED;
1419 : }
1420 :
1421 :
1422 : /**
1423 : * \ingroup dblib_bcp_internal
1424 : * \brief
1425 : *
1426 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1427 : * \param rows_copied
1428 : *
1429 : * \return SUCCEED or FAIL.
1430 : * \sa BCP_SETL(), bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(), bcp_done(), bcp_exec(), bcp_getl(), bcp_init(), bcp_moretext(), bcp_options(), bcp_readfmt(), bcp_sendrow()
1431 : */
1432 : static RETCODE
1433 134 : _bcp_exec_in(DBPROCESS * dbproc, DBINT * rows_copied)
1434 : {
1435 134 : FILE *hostfile, *errfile = NULL;
1436 134 : TDSSOCKET *tds = dbproc->tds_socket;
1437 : BCP_HOSTCOLINFO *hostcol;
1438 : STATUS ret;
1439 :
1440 : int i, row_of_hostfile, rows_written_so_far;
1441 : int row_error_count;
1442 : bool row_error;
1443 : offset_type row_start, row_end;
1444 : offset_type error_row_size;
1445 134 : const size_t chunk_size = 0x20000u;
1446 :
1447 134 : tdsdump_log(TDS_DBG_FUNC, "_bcp_exec_in(%p, %p)\n", dbproc, rows_copied);
1448 : assert(dbproc);
1449 134 : assert(rows_copied);
1450 :
1451 134 : *rows_copied = 0;
1452 :
1453 134 : if (!(hostfile = fopen(dbproc->hostfileinfo->hostfile, "r"))) {
1454 0 : dbperror(dbproc, SYBEBCUO, 0);
1455 0 : return FAIL;
1456 : }
1457 :
1458 134 : if (TDS_FAILED(tds_bcp_start_copy_in(tds, dbproc->bcpinfo))) {
1459 0 : fclose(hostfile);
1460 0 : return FAIL;
1461 : }
1462 :
1463 134 : row_of_hostfile = 0;
1464 134 : rows_written_so_far = 0;
1465 :
1466 134 : row_error_count = 0;
1467 134 : dbproc->bcpinfo->parent = dbproc;
1468 :
1469 : for (;;) {
1470 : bool skip;
1471 :
1472 404 : row_start = ftello(hostfile);
1473 404 : row_error = false;
1474 :
1475 404 : row_of_hostfile++;
1476 :
1477 : if (row_of_hostfile > TDS_MAX(dbproc->hostfileinfo->lastrow, 0x7FFFFFFF))
1478 : break;
1479 :
1480 404 : skip = dbproc->hostfileinfo->firstrow > row_of_hostfile;
1481 404 : ret = _bcp_read_hostfile(dbproc, hostfile, &row_error, skip);
1482 404 : if (ret != MORE_ROWS)
1483 : break;
1484 :
1485 270 : if (row_error) {
1486 : int count;
1487 :
1488 0 : if (errfile == NULL && dbproc->hostfileinfo->errorfile) {
1489 0 : if (!(errfile = fopen(dbproc->hostfileinfo->errorfile, "w"))) {
1490 0 : fclose(hostfile);
1491 0 : dbperror(dbproc, SYBEBUOE, 0);
1492 0 : return FAIL;
1493 : }
1494 : }
1495 :
1496 0 : if (errfile != NULL) {
1497 : char *row_in_error = NULL;
1498 :
1499 0 : for (i = 0; i < dbproc->hostfileinfo->host_colcount; i++) {
1500 0 : hostcol = dbproc->hostfileinfo->host_columns[i];
1501 0 : if (hostcol->column_error == HOST_COL_CONV_ERROR) {
1502 0 : count = fprintf(errfile,
1503 : "#@ data conversion error on host data file Row %d Column %d\n",
1504 : row_of_hostfile, i + 1);
1505 0 : if( count < 0 ) {
1506 0 : dbperror(dbproc, SYBEBWEF, errno);
1507 : }
1508 0 : } else if (hostcol->column_error == HOST_COL_NULL_ERROR) {
1509 0 : count = fprintf(errfile, "#@ Attempt to bulk-copy a NULL value into Server column"
1510 : " which does not accept NULL values. Row %d, Column %d\n",
1511 : row_of_hostfile, i + 1);
1512 0 : if( count < 0 ) {
1513 0 : dbperror(dbproc, SYBEBWEF, errno);
1514 : }
1515 :
1516 : }
1517 : }
1518 :
1519 0 : row_end = ftello(hostfile);
1520 :
1521 : /* error data can be very long so split in chunks */
1522 0 : error_row_size = row_end - row_start;
1523 0 : fseeko(hostfile, row_start, SEEK_SET);
1524 :
1525 0 : while (error_row_size > 0) {
1526 0 : size_t chunk = TDS_MIN((size_t) error_row_size, chunk_size);
1527 :
1528 0 : if (!row_in_error) {
1529 0 : if ((row_in_error = tds_new(char, chunk)) == NULL) {
1530 0 : dbperror(dbproc, SYBEMEM, errno);
1531 : }
1532 : }
1533 :
1534 0 : if (fread(row_in_error, chunk, 1, hostfile) != 1) {
1535 0 : tdsdump_log(TDS_DBG_ERROR, "BILL fread failed after fseek\n");
1536 : }
1537 0 : count = (int)fwrite(row_in_error, chunk, 1, errfile);
1538 0 : if( (size_t)count < chunk ) {
1539 0 : dbperror(dbproc, SYBEBWEF, errno);
1540 : }
1541 0 : error_row_size -= chunk;
1542 : }
1543 0 : free(row_in_error);
1544 :
1545 0 : fseeko(hostfile, row_end, SEEK_SET);
1546 0 : count = fprintf(errfile, "\n");
1547 0 : if( count < 0 ) {
1548 0 : dbperror(dbproc, SYBEBWEF, errno);
1549 : }
1550 : }
1551 0 : row_error_count++;
1552 0 : if (row_error_count >= dbproc->hostfileinfo->maxerrs)
1553 : break;
1554 0 : continue;
1555 : }
1556 :
1557 270 : if (skip)
1558 0 : continue;
1559 :
1560 270 : if (TDS_SUCCEED(tds_bcp_send_record(dbproc->tds_socket, dbproc->bcpinfo,
1561 : _bcp_no_get_col_data, _bcp_null_error, 0))) {
1562 :
1563 270 : rows_written_so_far++;
1564 :
1565 270 : if (dbproc->hostfileinfo->batch > 0 && rows_written_so_far == dbproc->hostfileinfo->batch) {
1566 0 : if (TDS_FAILED(tds_bcp_done(tds, &rows_written_so_far))) {
1567 0 : if (errfile)
1568 0 : fclose(errfile);
1569 0 : fclose(hostfile);
1570 0 : return FAIL;
1571 : }
1572 :
1573 0 : *rows_copied += rows_written_so_far;
1574 0 : rows_written_so_far = 0;
1575 :
1576 0 : dbperror(dbproc, SYBEBBCI, 0); /* batch copied to server */
1577 :
1578 0 : tds_bcp_start(tds, dbproc->bcpinfo);
1579 : }
1580 : }
1581 : }
1582 :
1583 134 : if (row_error_count == 0 && row_of_hostfile < dbproc->hostfileinfo->firstrow) {
1584 : /* "The BCP hostfile '%1!' contains only %2! rows. */
1585 0 : dbperror(dbproc, SYBEBCSA, 0, dbproc->hostfileinfo->hostfile, row_of_hostfile);
1586 : }
1587 :
1588 134 : if (errfile && 0 != fclose(errfile) ) {
1589 0 : dbperror(dbproc, SYBEBUCE, 0);
1590 : }
1591 :
1592 134 : if (fclose(hostfile) != 0) {
1593 0 : dbperror(dbproc, SYBEBCUC, 0);
1594 0 : ret = FAIL;
1595 : }
1596 :
1597 134 : tds_bcp_done(tds, &rows_written_so_far);
1598 134 : *rows_copied += rows_written_so_far;
1599 :
1600 134 : return ret == NO_MORE_ROWS? SUCCEED : FAIL; /* (ret is returned from _bcp_read_hostfile) */
1601 : }
1602 :
1603 : /**
1604 : * \ingroup dblib_bcp
1605 : * \brief Write a datafile to a table.
1606 : *
1607 : *
1608 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1609 : * \param rows_copied bcp_exec will write the count of rows successfully written to this address.
1610 : * If \a rows_copied is NULL, it will be ignored by db-lib.
1611 : *
1612 : * \return SUCCEED or FAIL.
1613 : * \sa bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_collen(), bcp_colptr(), bcp_columns(),
1614 : * bcp_control(), bcp_done(), bcp_init(), bcp_sendrow()
1615 : */
1616 : RETCODE
1617 268 : bcp_exec(DBPROCESS * dbproc, DBINT *rows_copied)
1618 : {
1619 : DBINT dummy_copied;
1620 268 : RETCODE ret = FAIL;
1621 :
1622 268 : tdsdump_log(TDS_DBG_FUNC, "bcp_exec(%p, %p)\n", dbproc, rows_copied);
1623 268 : CHECK_CONN(FAIL);
1624 268 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
1625 268 : CHECK_PARAMETER(dbproc->hostfileinfo, SYBEBCVH, FAIL);
1626 :
1627 268 : if (rows_copied == NULL) /* NULL means we should ignore it */
1628 0 : rows_copied = &dummy_copied;
1629 :
1630 268 : if (dbproc->bcpinfo->direction == DB_OUT || dbproc->bcpinfo->direction == DB_QUERYOUT) {
1631 134 : ret = _bcp_exec_out(dbproc, rows_copied);
1632 134 : } else if (dbproc->bcpinfo->direction == DB_IN) {
1633 134 : ret = _bcp_exec_in(dbproc, rows_copied);
1634 : }
1635 268 : _bcp_free_storage(dbproc);
1636 :
1637 268 : return ret;
1638 : }
1639 :
1640 : /**
1641 : * \ingroup dblib_bcp_internal
1642 : * \brief
1643 : *
1644 : * \param buffer
1645 : * \param size
1646 : * \param f
1647 : *
1648 : * \return SUCCEED or FAIL.
1649 : * \sa BCP_SETL(), bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(), bcp_done(), bcp_exec(), bcp_getl(), bcp_init(), bcp_moretext(), bcp_options(), bcp_readfmt(), bcp_sendrow()
1650 : */
1651 : static char *
1652 0 : _bcp_fgets(char *buffer, int size, FILE *f)
1653 : {
1654 0 : char *p = fgets(buffer, size, f);
1655 0 : if (p == NULL)
1656 : return p;
1657 :
1658 : /* discard newline */
1659 0 : p = strchr(buffer, 0) - 1;
1660 0 : if (p >= buffer && *p == '\n')
1661 0 : *p = 0;
1662 : return buffer;
1663 : }
1664 :
1665 : /**
1666 : * \ingroup dblib_bcp
1667 : * \brief Read a format definition file.
1668 : *
1669 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1670 : * \param filename Name that will be passed to fopen(3).
1671 : *
1672 : * \remarks Reads a format file and calls bcp_columns() and bcp_colfmt() as needed.
1673 : *
1674 : * \return SUCCEED or FAIL.
1675 : * \sa bcp_colfmt(), bcp_colfmt_ps(), bcp_columns(), bcp_writefmt()
1676 : */
1677 : RETCODE
1678 0 : bcp_readfmt(DBPROCESS * dbproc, const char filename[])
1679 : {
1680 : BCP_HOSTCOLINFO hostcol[1];
1681 : FILE *ffile;
1682 : char buffer[1024];
1683 0 : float lf_version = 0.0;
1684 0 : int li_numcols = 0;
1685 0 : int colinfo_count = 0;
1686 :
1687 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_readfmt(%p, %s)\n", dbproc, filename? filename:"NULL");
1688 0 : CHECK_CONN(FAIL);
1689 0 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
1690 0 : CHECK_NULP(filename, "bcp_readfmt", 2, FAIL);
1691 :
1692 0 : memset(hostcol, 0, sizeof(hostcol));
1693 :
1694 0 : if ((ffile = fopen(filename, "r")) == NULL) {
1695 0 : dbperror(dbproc, SYBEBUOF, 0);
1696 0 : goto Cleanup;
1697 : }
1698 :
1699 0 : if ((_bcp_fgets(buffer, sizeof(buffer), ffile)) != NULL) {
1700 0 : lf_version = (float)atof(buffer);
1701 0 : } else if (ferror(ffile)) {
1702 0 : dbperror(dbproc, SYBEBRFF, errno);
1703 0 : goto Cleanup;
1704 : }
1705 :
1706 0 : if ((_bcp_fgets(buffer, sizeof(buffer), ffile)) != NULL) {
1707 0 : li_numcols = atoi(buffer);
1708 0 : } else if (ferror(ffile)) {
1709 0 : dbperror(dbproc, SYBEBRFF, errno);
1710 0 : goto Cleanup;
1711 : }
1712 :
1713 0 : if (li_numcols <= 0)
1714 : goto Cleanup;
1715 :
1716 0 : if (bcp_columns(dbproc, li_numcols) == FAIL)
1717 : goto Cleanup;
1718 :
1719 : do {
1720 0 : memset(hostcol, 0, sizeof(hostcol));
1721 :
1722 0 : if (_bcp_fgets(buffer, sizeof(buffer), ffile) == NULL)
1723 : goto Cleanup;
1724 :
1725 0 : if (!_bcp_readfmt_colinfo(dbproc, buffer, hostcol))
1726 : goto Cleanup;
1727 :
1728 0 : if (bcp_colfmt(dbproc, hostcol->host_column, hostcol->datatype,
1729 : hostcol->prefix_len, hostcol->column_len,
1730 0 : hostcol->terminator, hostcol->term_len, hostcol->tab_colnum) == FAIL) {
1731 : goto Cleanup;
1732 : }
1733 :
1734 0 : TDS_ZERO_FREE(hostcol->terminator);
1735 0 : } while (++colinfo_count < li_numcols);
1736 :
1737 0 : if (ferror(ffile)) {
1738 0 : dbperror(dbproc, SYBEBRFF, errno);
1739 0 : goto Cleanup;
1740 : }
1741 :
1742 0 : if (fclose(ffile) != 0) {
1743 0 : dbperror(dbproc, SYBEBUCF, 0);
1744 : /* even if failure is returned ffile is no more valid */
1745 0 : ffile = NULL;
1746 0 : goto Cleanup;
1747 : }
1748 0 : ffile = NULL;
1749 :
1750 0 : if (colinfo_count != li_numcols)
1751 : goto Cleanup;
1752 :
1753 : return SUCCEED;
1754 :
1755 0 : Cleanup:
1756 0 : TDS_ZERO_FREE(hostcol->terminator);
1757 0 : _bcp_free_columns(dbproc);
1758 0 : if (ffile)
1759 0 : fclose(ffile);
1760 : return FAIL;
1761 : }
1762 :
1763 : /**
1764 : * \ingroup dblib_bcp_internal
1765 : * \brief
1766 : *
1767 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1768 : * \param buf
1769 : * \param ci
1770 : *
1771 : * \return SUCCEED or FAIL.
1772 : * \sa BCP_SETL(), bcp_batch(), bcp_bind(), bcp_colfmt(), bcp_colfmt_ps(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(), bcp_done(), bcp_exec(), bcp_getl(), bcp_init(), bcp_moretext(), bcp_options(), bcp_readfmt(), bcp_sendrow()
1773 : */
1774 : static int
1775 0 : _bcp_readfmt_colinfo(DBPROCESS * dbproc, char *buf, BCP_HOSTCOLINFO * ci)
1776 : {
1777 : char *tok;
1778 : int whichcol;
1779 : char term[30];
1780 : int i;
1781 : char *lasts;
1782 :
1783 : enum nextcol
1784 : {
1785 : HOST_COLUMN,
1786 : DATATYPE,
1787 : PREFIX_LEN,
1788 : COLUMN_LEN,
1789 : TERMINATOR,
1790 : TAB_COLNUM,
1791 : NO_MORE_COLS
1792 : };
1793 :
1794 0 : assert(dbproc);
1795 0 : assert(buf);
1796 0 : assert(ci);
1797 0 : tdsdump_log(TDS_DBG_FUNC, "_bcp_readfmt_colinfo(%p, %s, %p)\n", dbproc, buf, ci);
1798 :
1799 0 : tok = strtok_r(buf, " \t", &lasts);
1800 0 : whichcol = HOST_COLUMN;
1801 :
1802 : /* TODO use a better way to get an int atoi is very error prone */
1803 0 : while (tok != NULL && whichcol != NO_MORE_COLS) {
1804 0 : switch (whichcol) {
1805 :
1806 0 : case HOST_COLUMN:
1807 0 : ci->host_column = atoi(tok);
1808 :
1809 0 : if (ci->host_column < 1) {
1810 0 : dbperror(dbproc, SYBEBIHC, 0);
1811 0 : return (FALSE);
1812 : }
1813 :
1814 : whichcol = DATATYPE;
1815 : break;
1816 :
1817 0 : case DATATYPE:
1818 0 : if (strcmp(tok, "SYBCHAR") == 0)
1819 0 : ci->datatype = SYBCHAR;
1820 0 : else if (strcmp(tok, "SYBTEXT") == 0)
1821 0 : ci->datatype = SYBTEXT;
1822 0 : else if (strcmp(tok, "SYBBINARY") == 0)
1823 0 : ci->datatype = SYBBINARY;
1824 0 : else if (strcmp(tok, "SYBIMAGE") == 0)
1825 0 : ci->datatype = SYBIMAGE;
1826 0 : else if (strcmp(tok, "SYBINT1") == 0)
1827 0 : ci->datatype = SYBINT1;
1828 0 : else if (strcmp(tok, "SYBINT2") == 0)
1829 0 : ci->datatype = SYBINT2;
1830 0 : else if (strcmp(tok, "SYBINT4") == 0)
1831 0 : ci->datatype = SYBINT4;
1832 0 : else if (strcmp(tok, "SYBINT8") == 0)
1833 0 : ci->datatype = SYBINT8;
1834 0 : else if (strcmp(tok, "SYBFLT8") == 0)
1835 0 : ci->datatype = SYBFLT8;
1836 0 : else if (strcmp(tok, "SYBREAL") == 0)
1837 0 : ci->datatype = SYBREAL;
1838 0 : else if (strcmp(tok, "SYBBIT") == 0)
1839 0 : ci->datatype = SYBBIT;
1840 0 : else if (strcmp(tok, "SYBNUMERIC") == 0)
1841 0 : ci->datatype = SYBNUMERIC;
1842 0 : else if (strcmp(tok, "SYBDECIMAL") == 0)
1843 0 : ci->datatype = SYBDECIMAL;
1844 0 : else if (strcmp(tok, "SYBMONEY") == 0)
1845 0 : ci->datatype = SYBMONEY;
1846 0 : else if (strcmp(tok, "SYBMONEY4") == 0)
1847 0 : ci->datatype = SYBMONEY4;
1848 0 : else if (strcmp(tok, "SYBDATETIME") == 0)
1849 0 : ci->datatype = SYBDATETIME;
1850 0 : else if (strcmp(tok, "SYBDATETIME4") == 0)
1851 0 : ci->datatype = SYBDATETIME4;
1852 : /* TODO SQL* for MS
1853 : SQLNCHAR SQLBIGINT SQLTINYINT SQLSMALLINT
1854 : SQLUNIQUEID SQLVARIANT SQLUDT */
1855 : else {
1856 0 : dbperror(dbproc, SYBEBUDF, 0);
1857 0 : return (FALSE);
1858 : }
1859 :
1860 : whichcol = PREFIX_LEN;
1861 : break;
1862 :
1863 0 : case PREFIX_LEN:
1864 0 : ci->prefix_len = atoi(tok);
1865 0 : whichcol = COLUMN_LEN;
1866 0 : break;
1867 0 : case COLUMN_LEN:
1868 0 : ci->column_len = atoi(tok);
1869 0 : whichcol = TERMINATOR;
1870 0 : break;
1871 0 : case TERMINATOR:
1872 :
1873 0 : if (*tok++ != '\"')
1874 : return (FALSE);
1875 :
1876 0 : for (i = 0; *tok != '\"' && i < sizeof(term); i++) {
1877 0 : if (*tok == '\\') {
1878 0 : tok++;
1879 0 : switch (*tok) {
1880 0 : case 't':
1881 0 : term[i] = '\t';
1882 0 : break;
1883 0 : case 'n':
1884 0 : term[i] = '\n';
1885 0 : break;
1886 0 : case 'r':
1887 0 : term[i] = '\r';
1888 0 : break;
1889 0 : case '\\':
1890 0 : term[i] = '\\';
1891 0 : break;
1892 0 : case '0':
1893 0 : term[i] = '\0';
1894 0 : break;
1895 : default:
1896 : return (FALSE);
1897 : }
1898 0 : tok++;
1899 : } else
1900 0 : term[i] = *tok++;
1901 : }
1902 :
1903 0 : if (*tok != '\"')
1904 : return (FALSE);
1905 :
1906 0 : ci->term_len = i;
1907 0 : TDS_ZERO_FREE(ci->terminator);
1908 0 : if (i > 0) {
1909 0 : if ((ci->terminator = tds_new(BYTE, i)) == NULL) {
1910 0 : dbperror(dbproc, SYBEMEM, errno);
1911 0 : return FALSE;
1912 : }
1913 0 : memcpy(ci->terminator, term, i);
1914 : }
1915 :
1916 : whichcol = TAB_COLNUM;
1917 : break;
1918 :
1919 0 : case TAB_COLNUM:
1920 0 : ci->tab_colnum = atoi(tok);
1921 0 : whichcol = NO_MORE_COLS;
1922 0 : break;
1923 :
1924 : }
1925 0 : tok = strtok_r(NULL, " \t", &lasts);
1926 : }
1927 0 : if (whichcol == NO_MORE_COLS)
1928 : return (TRUE);
1929 : else
1930 0 : return (FALSE);
1931 : }
1932 :
1933 : #if defined(DBLIB_UNIMPLEMENTED)
1934 : /**
1935 : * \ingroup dblib_bcp
1936 : * \brief Write a format definition file. Not Implemented.
1937 : *
1938 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1939 : * \param filename Name that would be passed to fopen(3).
1940 : *
1941 : * \remarks Reads a format file and calls bcp_columns() and bcp_colfmt() as needed.
1942 : * \a FreeTDS includes freebcp, a utility to copy data to or from a host file.
1943 : *
1944 : * \todo For completeness, \a freebcp ought to be able to create format files, but that functionality
1945 : * is currently lacking, as is bcp_writefmt().
1946 : * \todo See the vendors' documentation for the format of these files.
1947 : *
1948 : * \return SUCCEED or FAIL.
1949 : * \sa bcp_colfmt(), bcp_colfmt_ps(), bcp_columns(), bcp_readfmt()
1950 : */
1951 : RETCODE
1952 : bcp_writefmt(DBPROCESS * dbproc, const char filename[])
1953 : {
1954 : tdsdump_log(TDS_DBG_FUNC, "UNIMPLEMENTED: bcp_writefmt(%p, %s)\n", dbproc, filename? filename:"NULL");
1955 : CHECK_CONN(FAIL);
1956 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
1957 : CHECK_NULP(filename, "bcp_writefmt", 2, FAIL);
1958 :
1959 : #if 0
1960 : dbperror(dbproc, SYBEBUFF, errno); /* bcp: Unable to create format file */
1961 : dbperror(dbproc, SYBEBWFF, errno); /* I/O error while writing bcp format file */
1962 : #endif
1963 :
1964 : return FAIL;
1965 : }
1966 :
1967 : /**
1968 : * \ingroup dblib_bcp
1969 : * \brief Write some text or image data to the server. Not implemented, sadly.
1970 : *
1971 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
1972 : * \param size How much to write, in bytes.
1973 : * \param text Address of the data to be written.
1974 : * \remarks For a SYBTEXT or SYBIMAGE column, bcp_bind() can be called with
1975 : * a NULL varaddr parameter. If it is, bcp_sendrow() will return control
1976 : * to the application after the non-text data have been sent. The application then calls
1977 : * bcp_moretext() -- usually in a loop -- to send the text data in manageable chunks.
1978 : * \todo implement bcp_moretext().
1979 : * \return SUCCEED or FAIL.
1980 : * \sa bcp_bind(), bcp_sendrow(), dbmoretext(), dbwritetext()
1981 : */
1982 : RETCODE
1983 : bcp_moretext(DBPROCESS * dbproc, DBINT size, BYTE * text)
1984 : {
1985 : tdsdump_log(TDS_DBG_FUNC, "UNIMPLEMENTED: bcp_moretext(%p, %d, %p)\n", dbproc, size, text);
1986 : CHECK_CONN(FAIL);
1987 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
1988 : CHECK_NULP(text, "bcp_moretext", 3, FAIL);
1989 :
1990 : #if 0
1991 : dbperror(dbproc, SYBEBCMTXT, 0);
1992 : /* bcp_moretext may be used only when there is at least one text or image column in the server table */
1993 : dbperror(dbproc, SYBEBTMT, 0);
1994 : /* Attempt to send too much text data via the bcp_moretext call */
1995 : #endif
1996 : return FAIL;
1997 : }
1998 : #endif
1999 :
2000 : /**
2001 : * \ingroup dblib_bcp
2002 : * \brief Commit a set of rows to the table.
2003 : *
2004 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2005 : * \remarks If not called, bcp_done() will cause the rows to be saved.
2006 : * \return Count of rows saved, or -1 on error.
2007 : * \sa bcp_bind(), bcp_done(), bcp_sendrow()
2008 : */
2009 : DBINT
2010 10 : bcp_batch(DBPROCESS * dbproc)
2011 : {
2012 10 : int rows_copied = 0;
2013 :
2014 10 : tdsdump_log(TDS_DBG_FUNC, "bcp_batch(%p)\n", dbproc);
2015 10 : CHECK_CONN(-1);
2016 10 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, -1);
2017 :
2018 10 : if (TDS_FAILED(tds_bcp_done(dbproc->tds_socket, &rows_copied)))
2019 : return -1;
2020 :
2021 10 : tds_bcp_start(dbproc->tds_socket, dbproc->bcpinfo);
2022 :
2023 10 : return rows_copied;
2024 : }
2025 :
2026 : /**
2027 : * \ingroup dblib_bcp
2028 : * \brief Conclude the transfer of data from program variables.
2029 : *
2030 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2031 : * \remarks Do not overlook this function. According to Sybase, failure to call bcp_done()
2032 : * "will result in unpredictable errors".
2033 : * \return As with bcp_batch(), the count of rows saved, or -1 on error.
2034 : * \sa bcp_batch(), bcp_bind(), bcp_moretext(), bcp_sendrow()
2035 : */
2036 : DBINT
2037 38 : bcp_done(DBPROCESS * dbproc)
2038 : {
2039 : int rows_copied;
2040 :
2041 38 : tdsdump_log(TDS_DBG_FUNC, "bcp_done(%p)\n", dbproc);
2042 38 : CHECK_CONN(-1);
2043 :
2044 38 : if (!(dbproc->bcpinfo))
2045 : return -1;
2046 :
2047 38 : if (TDS_FAILED(tds_bcp_done(dbproc->tds_socket, &rows_copied)))
2048 : return -1;
2049 :
2050 20 : _bcp_free_storage(dbproc);
2051 :
2052 20 : return rows_copied;
2053 : }
2054 :
2055 : /**
2056 : * \ingroup dblib_bcp
2057 : * \brief Bind a program host variable to a database column
2058 : *
2059 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2060 : * \param varaddr address of host variable
2061 : * \param prefixlen length of any prefix found at the beginning of \a varaddr, in bytes.
2062 : Use zero for fixed-length datatypes.
2063 : * \param varlen bytes of data in \a varaddr. Zero for NULL, -1 for fixed-length datatypes.
2064 : * \param terminator byte sequence that marks the end of the data in \a varaddr
2065 : * \param termlen length of \a terminator
2066 : * \param vartype datatype of the host variable
2067 : * \param table_column Nth column, starting at 1, in the table.
2068 : *
2069 : * \remarks The order of operation is:
2070 : * - bcp_init() with \a hfile == NULL and \a direction == DB_IN.
2071 : * - bcp_bind(), once per column you want to write to
2072 : * - bcp_batch(), optionally, to commit a set of rows
2073 : * - bcp_done()
2074 : * \return SUCCEED or FAIL.
2075 : * \sa bcp_batch(), bcp_colfmt(), bcp_collen(), bcp_colptr(), bcp_columns(), bcp_control(),
2076 : * bcp_done(), bcp_exec(), bcp_moretext(), bcp_sendrow()
2077 : */
2078 : RETCODE
2079 324 : bcp_bind(DBPROCESS * dbproc, BYTE * varaddr, int prefixlen, DBINT varlen,
2080 : BYTE * terminator, int termlen, int db_vartype, int table_column)
2081 : {
2082 : TDS_SERVER_TYPE vartype;
2083 : TDSCOLUMN *colinfo;
2084 :
2085 324 : tdsdump_log(TDS_DBG_FUNC, "bcp_bind(%p, %p, %d, %d -- %p, %d, %s, %d)\n",
2086 : dbproc, varaddr, prefixlen, varlen,
2087 : terminator, termlen, dbprtype(db_vartype), table_column);
2088 324 : CHECK_CONN(FAIL);
2089 324 : CHECK_PARAMETER(dbproc->bcpinfo, SYBEBCPI, FAIL);
2090 648 : DBPERROR_RETURN(db_vartype != 0 && !is_tds_type_valid(db_vartype), SYBEUDTY);
2091 324 : vartype = (TDS_SERVER_TYPE) db_vartype;
2092 :
2093 324 : if (dbproc->hostfileinfo != NULL) {
2094 0 : dbperror(dbproc, SYBEBCPB, 0);
2095 0 : return FAIL;
2096 : }
2097 :
2098 324 : if (dbproc->bcpinfo->direction != DB_IN) {
2099 0 : dbperror(dbproc, SYBEBCPN, 0);
2100 0 : return FAIL;
2101 : }
2102 :
2103 324 : if (varlen < -1) {
2104 0 : dbperror(dbproc, SYBEBCVLEN, 0);
2105 0 : return FAIL;
2106 : }
2107 :
2108 324 : if (prefixlen != 0 && prefixlen != 1 && prefixlen != 2 && prefixlen != 4) {
2109 0 : dbperror(dbproc, SYBEBCBPREF, 0);
2110 0 : return FAIL;
2111 : }
2112 :
2113 324 : if (prefixlen == 0 && varlen == -1 && termlen == -1 && !is_fixed_type(vartype)) {
2114 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_bind(): non-fixed type %d requires prefix or terminator\n", vartype);
2115 : return FAIL;
2116 : }
2117 :
2118 324 : if (is_fixed_type(vartype) && (varlen != -1 && varlen != 0)) {
2119 0 : dbperror(dbproc, SYBEBCIT, 0);
2120 0 : return FAIL;
2121 : }
2122 :
2123 324 : if (table_column <= 0 || table_column > dbproc->bcpinfo->bindinfo->num_cols) {
2124 0 : dbperror(dbproc, SYBECNOR, 0);
2125 0 : return FAIL;
2126 : }
2127 :
2128 324 : if (varaddr == NULL && (prefixlen != 0 || termlen != 0)) {
2129 0 : dbperror(dbproc, SYBEBCBNPR, 0);
2130 0 : return FAIL;
2131 : }
2132 :
2133 324 : colinfo = dbproc->bcpinfo->bindinfo->columns[table_column - 1];
2134 :
2135 : /* If varaddr is NULL and varlen greater than 0, the table column type must be SYBTEXT or SYBIMAGE
2136 : and the program variable type must be SYBTEXT, SYBCHAR, SYBIMAGE or SYBBINARY */
2137 324 : if (varaddr == NULL && varlen > 0) {
2138 0 : int fOK = (colinfo->column_type == SYBTEXT || colinfo->column_type == SYBIMAGE) &&
2139 0 : (vartype == SYBTEXT || vartype == SYBCHAR || vartype == SYBIMAGE || vartype == SYBBINARY );
2140 : if( !fOK ) {
2141 0 : dbperror(dbproc, SYBEBCBNTYP, 0);
2142 0 : tdsdump_log(TDS_DBG_FUNC, "bcp_bind: SYBEBCBNTYP: column=%d and vartype=%d (should fail?)\n",
2143 0 : colinfo->column_type, vartype);
2144 : /* return FAIL; */
2145 : }
2146 : }
2147 :
2148 324 : colinfo->column_varaddr = (char *)varaddr;
2149 324 : colinfo->column_bindtype = vartype;
2150 324 : colinfo->column_bindlen = varlen;
2151 324 : colinfo->bcp_prefix_len = prefixlen;
2152 :
2153 324 : TDS_ZERO_FREE(colinfo->bcp_terminator);
2154 324 : colinfo->bcp_term_len = 0;
2155 324 : if (termlen > 0) {
2156 54 : if ((colinfo->bcp_terminator = tds_new(TDS_CHAR, termlen)) == NULL) {
2157 0 : dbperror(dbproc, SYBEMEM, errno);
2158 0 : return FAIL;
2159 : }
2160 54 : memcpy(colinfo->bcp_terminator, terminator, termlen);
2161 54 : colinfo->bcp_term_len = termlen;
2162 : }
2163 :
2164 : return SUCCEED;
2165 : }
2166 :
2167 : static void
2168 2 : _bcp_null_error(TDSBCPINFO *bcpinfo, int index TDS_UNUSED, int offset TDS_UNUSED)
2169 : {
2170 2 : DBPROCESS *dbproc = (DBPROCESS *) bcpinfo->parent;
2171 2 : dbperror(dbproc, SYBEBCNN, 0);
2172 2 : }
2173 :
2174 : /**
2175 : * \ingroup dblib_bcp_internal
2176 : * \brief For a bcp in from program variables, get the data from the host variable
2177 : *
2178 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2179 : * \param bindcol
2180 : *
2181 : * \return TDS_SUCCESS or TDS_FAIL.
2182 : * \sa _bcp_add_fixed_columns, _bcp_add_variable_columns, _bcp_send_bcp_record
2183 : */
2184 : static TDSRET
2185 4138 : _bcp_get_col_data(TDSBCPINFO *bcpinfo, TDSCOLUMN *bindcol, int offset TDS_UNUSED)
2186 : {
2187 : TDS_SERVER_TYPE coltype, desttype;
2188 : int collen;
2189 : int bytes_read;
2190 : BYTE *dataptr;
2191 4138 : DBPROCESS *dbproc = (DBPROCESS *) bcpinfo->parent;
2192 : TDSRET rc;
2193 :
2194 4138 : tdsdump_log(TDS_DBG_FUNC, "_bcp_get_col_data(%p, %p)\n", bcpinfo, bindcol);
2195 4138 : CHECK_CONN(TDS_FAIL);
2196 4138 : CHECK_NULP(bindcol, "_bcp_get_col_data", 2, TDS_FAIL);
2197 :
2198 4138 : dataptr = (BYTE *) bindcol->column_varaddr;
2199 :
2200 4138 : collen = 0;
2201 :
2202 : /* If a prefix length specified, read the correct amount of data. */
2203 :
2204 4138 : if (bindcol->bcp_prefix_len > 0) {
2205 :
2206 0 : switch (bindcol->bcp_prefix_len) {
2207 0 : case 1:
2208 0 : collen = TDS_GET_UA1(dataptr);
2209 0 : dataptr += 1;
2210 0 : break;
2211 0 : case 2:
2212 0 : collen = (TDS_SMALLINT) TDS_GET_UA2(dataptr);
2213 0 : dataptr += 2;
2214 0 : break;
2215 0 : case 4:
2216 0 : collen = (TDS_INT) TDS_GET_UA4(dataptr);
2217 0 : dataptr += 4;
2218 0 : break;
2219 : }
2220 0 : if (collen <= 0)
2221 : goto null_data;
2222 : }
2223 :
2224 : /* if (Max) column length specified take that into consideration. */
2225 :
2226 4138 : if (bindcol->column_bindlen >= 0) {
2227 2800 : if (bindcol->column_bindlen == 0)
2228 : goto null_data;
2229 1500 : if (collen)
2230 0 : collen = TDS_MIN(bindcol->column_bindlen, collen);
2231 : else
2232 : collen = bindcol->column_bindlen;
2233 : }
2234 :
2235 2838 : desttype = tds_get_conversion_type(bindcol->column_type, bindcol->column_size);
2236 :
2237 2838 : coltype = bindcol->column_bindtype == 0 ? desttype : (TDS_SERVER_TYPE) bindcol->column_bindtype;
2238 :
2239 : /* Fixed Length data - this overrides anything else specified */
2240 2838 : if (is_fixed_type(coltype))
2241 750 : collen = tds_get_size_by_type(coltype);
2242 :
2243 : /* read the data, finally */
2244 :
2245 2838 : if (bindcol->bcp_term_len > 0) { /* terminated field */
2246 88 : bytes_read = _bcp_get_term_var(dataptr, (BYTE *)bindcol->bcp_terminator, bindcol->bcp_term_len);
2247 :
2248 88 : if (collen <= 0 || bytes_read < collen)
2249 88 : collen = bytes_read;
2250 :
2251 88 : if (collen == 0)
2252 : goto null_data;
2253 : }
2254 :
2255 2810 : if (collen < 0)
2256 0 : collen = (int) strlen((char *) dataptr);
2257 :
2258 2810 : rc = _bcp_convert_in(dbproc, coltype, (const TDS_CHAR*) dataptr, collen,
2259 : desttype, bindcol->bcp_column_data);
2260 2810 : if (TDS_FAILED(rc))
2261 : return rc;
2262 2810 : rtrim_bcpcol(bindcol);
2263 :
2264 2810 : return TDS_SUCCESS;
2265 :
2266 1328 : null_data:
2267 1328 : bindcol->bcp_column_data->datalen = 0;
2268 1328 : bindcol->bcp_column_data->is_null = true;
2269 1328 : return TDS_SUCCESS;
2270 : }
2271 :
2272 : /**
2273 : * Function to read data from file. I this case is empty as data
2274 : * are already on bcp_column_data
2275 : */
2276 : static TDSRET
2277 1506 : _bcp_no_get_col_data(TDSBCPINFO *bcpinfo TDS_UNUSED, TDSCOLUMN *bindcol TDS_UNUSED, int offset TDS_UNUSED)
2278 : {
2279 1506 : return TDS_SUCCESS;
2280 : }
2281 :
2282 : /**
2283 : * Get the data for bcp-in from program variables, where the program data
2284 : * have been identified as character terminated,
2285 : * This is a low-level, internal function. Call it correctly.
2286 : */
2287 : /**
2288 : * \ingroup dblib_bcp_internal
2289 : * \brief
2290 : *
2291 : * \param pdata
2292 : * \param term
2293 : * \param term_len
2294 : *
2295 : * \return data length.
2296 : */
2297 : static int
2298 88 : _bcp_get_term_var(const BYTE * pdata, const BYTE * term, int term_len)
2299 : {
2300 : int bufpos;
2301 :
2302 88 : assert(term_len > 0);
2303 :
2304 : /* if bufpos becomes negative, we probably failed to find the terminator */
2305 330 : for (bufpos = 0; bufpos >= 0 && memcmp(pdata, term, term_len) != 0; pdata++) {
2306 330 : bufpos++;
2307 : }
2308 :
2309 : assert(bufpos >= 0);
2310 88 : return bufpos;
2311 : }
2312 :
2313 : /**
2314 : * \ingroup dblib_bcp_internal
2315 : * \brief trim a string of trailing blanks
2316 : *
2317 : * Replaces spaces at the end of a string with NULs
2318 : * \param str pointer to a character buffer (not null-terminated)
2319 : * \param len size of the \a str in bytes
2320 : *
2321 : * \return modified length
2322 : */
2323 : static int
2324 : rtrim(char *str, int len)
2325 : {
2326 1022 : char *p = str + len - 1;
2327 :
2328 1516 : while (p > str && *p == ' ') {
2329 494 : *p-- = '\0';
2330 : }
2331 1022 : return (int)(1 + p - str);
2332 : }
2333 :
2334 : static int
2335 : rtrim_u16(uint16_t *str, int len, uint16_t space)
2336 : {
2337 50 : uint16_t *p = str + len / 2 - 1;
2338 :
2339 50 : while (p > str && *p == space) {
2340 0 : *p-- = '\0';
2341 : }
2342 50 : return (int)(1 + p - str) * 2;
2343 : }
2344 :
2345 : /**
2346 : * \ingroup dblib_bcp_internal
2347 : * \brief
2348 : *
2349 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2350 : */
2351 : static void
2352 804 : _bcp_free_columns(DBPROCESS * dbproc)
2353 : {
2354 : int i;
2355 :
2356 804 : tdsdump_log(TDS_DBG_FUNC, "_bcp_free_columns(%p)\n", dbproc);
2357 804 : assert(dbproc && dbproc->hostfileinfo);
2358 :
2359 804 : if (dbproc->hostfileinfo->host_columns) {
2360 2960 : for (i = 0; i < dbproc->hostfileinfo->host_colcount; i++) {
2361 2960 : TDS_ZERO_FREE(dbproc->hostfileinfo->host_columns[i]->terminator);
2362 2960 : TDS_ZERO_FREE(dbproc->hostfileinfo->host_columns[i]);
2363 : }
2364 536 : TDS_ZERO_FREE(dbproc->hostfileinfo->host_columns);
2365 536 : dbproc->hostfileinfo->host_colcount = 0;
2366 : }
2367 804 : }
2368 :
2369 : /**
2370 : * \ingroup dblib_bcp_internal
2371 : * \brief
2372 : *
2373 : * \param dbproc contains all information needed by db-lib to manage communications with the server.
2374 : *
2375 : * \sa bcp_done(), bcp_exec(), bcp_init()
2376 : */
2377 : static void
2378 594 : _bcp_free_storage(DBPROCESS * dbproc)
2379 : {
2380 594 : tdsdump_log(TDS_DBG_FUNC, "_bcp_free_storage(%p)\n", dbproc);
2381 594 : assert(dbproc);
2382 :
2383 594 : if (dbproc->hostfileinfo) {
2384 268 : TDS_ZERO_FREE(dbproc->hostfileinfo->hostfile);
2385 268 : TDS_ZERO_FREE(dbproc->hostfileinfo->errorfile);
2386 268 : _bcp_free_columns(dbproc);
2387 268 : TDS_ZERO_FREE(dbproc->hostfileinfo);
2388 : }
2389 :
2390 594 : tds_free_bcpinfo(dbproc->bcpinfo);
2391 594 : dbproc->bcpinfo = NULL;
2392 594 : }
2393 :
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