2 Unix SMB/CIFS implementation.
3 Character set conversion Extensions
4 Copyright (C) Igor Vergeichik <iverg@mail.ru> 2001
5 Copyright (C) Andrew Tridgell 2001
6 Copyright (C) Simo Sorce 2001
7 Copyright (C) Martin Pool 2003
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 * @brief Character-set conversion routines built on our iconv.
31 * @note Samba's internal character set (at least in the 3.0 series)
32 * is always the same as the one for the Unix filesystem. It is
33 * <b>not</b> necessarily UTF-8 and may be different on machines that
34 * need i18n filenames to be compatible with Unix software. It does
35 * have to be a superset of ASCII. All multibyte sequences must start
36 * with a byte with the high bit set.
42 static smb_iconv_t conv_handles[NUM_CHARSETS][NUM_CHARSETS];
43 static BOOL conv_silent; /* Should we do a debug if the conversion fails ? */
46 * Return the name of a charset to give to iconv().
48 static const char *charset_name(charset_t ch)
50 const char *ret = NULL;
52 if (ch == CH_UCS2) ret = "UCS-2LE";
53 else if (ch == CH_UNIX) ret = lp_unix_charset();
54 else if (ch == CH_DOS) ret = lp_dos_charset();
55 else if (ch == CH_DISPLAY) ret = lp_display_charset();
56 else if (ch == CH_UTF8) ret = "UTF8";
58 #if defined(HAVE_NL_LANGINFO) && defined(CODESET)
59 if (ret && strcasecmp(ret, "LOCALE") == 0) {
60 const char *ln = NULL;
63 setlocale(LC_ALL, "");
65 ln = nl_langinfo(CODESET);
67 /* Check whether the charset name is supported
69 smb_iconv_t handle = smb_iconv_open(ln,"UCS-2LE");
70 if (handle == (smb_iconv_t) -1) {
71 DEBUG(5,("Locale charset '%s' unsupported, using ASCII instead\n", ln));
74 DEBUG(5,("Substituting charset '%s' for LOCALE\n", ln));
75 smb_iconv_close(handle);
82 if (!ret || !*ret) ret = "ASCII";
86 void lazy_initialize_conv(void)
88 static int initialized = False;
98 * Initialize iconv conversion descriptors.
100 * This is called the first time it is needed, and also called again
101 * every time the configuration is reloaded, because the charset or
102 * codepage might have changed.
104 void init_iconv(void)
107 BOOL did_reload = False;
109 /* so that charset_name() works we need to get the UNIX<->UCS2 going
111 if (!conv_handles[CH_UNIX][CH_UCS2])
112 conv_handles[CH_UNIX][CH_UCS2] = smb_iconv_open("UCS-2LE", "ASCII");
114 if (!conv_handles[CH_UCS2][CH_UNIX])
115 conv_handles[CH_UCS2][CH_UNIX] = smb_iconv_open("ASCII", "UCS-2LE");
117 for (c1=0;c1<NUM_CHARSETS;c1++) {
118 for (c2=0;c2<NUM_CHARSETS;c2++) {
119 const char *n1 = charset_name((charset_t)c1);
120 const char *n2 = charset_name((charset_t)c2);
121 if (conv_handles[c1][c2] &&
122 strcmp(n1, conv_handles[c1][c2]->from_name) == 0 &&
123 strcmp(n2, conv_handles[c1][c2]->to_name) == 0)
128 if (conv_handles[c1][c2])
129 smb_iconv_close(conv_handles[c1][c2]);
131 conv_handles[c1][c2] = smb_iconv_open(n2,n1);
132 if (conv_handles[c1][c2] == (smb_iconv_t)-1) {
133 DEBUG(0,("Conversion from %s to %s not supported\n",
134 charset_name((charset_t)c1), charset_name((charset_t)c2)));
135 conv_handles[c1][c2] = NULL;
141 /* XXX: Does this really get called every time the dos
142 * codepage changes? */
143 /* XXX: Is the did_reload test too strict? */
145 init_doschar_table();
152 * Convert string from one encoding to another, making error checking etc
153 * Slow path version - uses (slow) iconv.
155 * @param src pointer to source string (multibyte or singlebyte)
156 * @param srclen length of the source string in bytes
157 * @param dest pointer to destination string (multibyte or singlebyte)
158 * @param destlen maximal length allowed for string
159 * @returns the number of bytes occupied in the destination
161 * Ensure the srclen contains the terminating zero.
165 static size_t convert_string_internal(charset_t from, charset_t to,
166 void const *src, size_t srclen,
167 void *dest, size_t destlen)
171 const char* inbuf = (const char*)src;
172 char* outbuf = (char*)dest;
173 smb_iconv_t descriptor;
175 lazy_initialize_conv();
177 descriptor = conv_handles[from][to];
179 if (descriptor == (smb_iconv_t)-1 || descriptor == (smb_iconv_t)0) {
181 DEBUG(0,("convert_string_internal: Conversion not supported.\n"));
187 retval = smb_iconv(descriptor, &inbuf, &i_len, &outbuf, &o_len);
188 if(retval==(size_t)-1) {
189 const char *reason="unknown error";
192 reason="Incomplete multibyte sequence";
194 DEBUG(3,("convert_string_internal: Conversion error: %s(%s)\n",reason,inbuf));
197 reason="No more room";
199 DEBUG(3, ("convert_string_internal: Required %lu, available %lu\n",
200 (unsigned long)srclen, (unsigned long)destlen));
201 /* we are not sure we need srclen bytes,
202 may be more, may be less.
203 We only know we need more than destlen
207 reason="Illegal multibyte sequence";
209 DEBUG(3,("convert_string_internal: Conversion error: %s(%s)\n",reason,inbuf));
213 DEBUG(0,("convert_string_internal: Conversion error: %s(%s)\n",reason,inbuf));
216 /* smb_panic(reason); */
218 return destlen-o_len;
222 /* conversion not supported, use as is */
224 size_t len = MIN(srclen,destlen);
226 memcpy(dest,src,len);
232 * Convert string from one encoding to another, making error checking etc
233 * Fast path version - handles ASCII first.
235 * @param src pointer to source string (multibyte or singlebyte)
236 * @param srclen length of the source string in bytes
237 * @param dest pointer to destination string (multibyte or singlebyte)
238 * @param destlen maximal length allowed for string
239 * @returns the number of bytes occupied in the destination
241 * Ensure the srclen contains the terminating zero.
243 * This function has been hand-tuned to provide a fast path.
244 * Don't change unless you really know what you are doing. JRA.
247 size_t convert_string(charset_t from, charset_t to,
248 void const *src, size_t srclen,
249 void *dest, size_t destlen)
254 if (from != CH_UCS2 && to != CH_UCS2) {
255 const unsigned char *p = (const unsigned char *)src;
256 unsigned char *q = (unsigned char *)dest;
260 /* If all characters are ascii, fast path here. */
261 while (srclen && destlen) {
262 if ((lastp = *p) <= 0x7f) {
264 if (srclen != (size_t)-1) {
272 if (srclen == (size_t)-1) {
273 srclen = strlen(src)+1;
275 return retval + convert_string_internal(from, to, p, srclen, q, destlen);
279 } else if (from == CH_UCS2 && to != CH_UCS2) {
280 const unsigned char *p = (const unsigned char *)src;
281 unsigned char *q = (unsigned char *)dest;
285 /* If all characters are ascii, fast path here. */
286 while ((srclen >= 2) && destlen) {
287 if ((lastp = *p) <= 0x7f && p[1] == 0) {
289 if (srclen != (size_t)-1) {
298 if (srclen == (size_t)-1) {
299 srclen = strlen_w(src)+2;
301 return retval + convert_string_internal(from, to, p, srclen, q, destlen);
305 } else if (from != CH_UCS2 && to == CH_UCS2) {
306 const unsigned char *p = (const unsigned char *)src;
307 unsigned char *q = (unsigned char *)dest;
311 /* If all characters are ascii, fast path here. */
312 while (srclen && (destlen >= 2)) {
313 if ((lastp = *p) <= 0x7F) {
316 if (srclen != (size_t)-1) {
324 if (srclen == (size_t)-1) {
325 srclen = strlen(src)+1;
327 return retval + convert_string_internal(from, to, p, srclen, q, destlen);
332 return convert_string_internal(from, to, src, srclen, dest, destlen);
336 * Convert between character sets, allocating a new buffer for the result.
338 * @param ctx TALLOC_CTX to use to allocate with. If NULL use malloc.
339 * @param srclen length of source buffer.
340 * @param dest always set at least to NULL
341 * @note -1 is not accepted for srclen.
343 * @returns Size in bytes of the converted string; or -1 in case of error.
345 * Ensure the srclen contains the terminating zero.
348 size_t convert_string_allocate(TALLOC_CTX *ctx, charset_t from, charset_t to,
349 void const *src, size_t srclen, void **dest)
351 size_t i_len, o_len, destlen = MAX(srclen, 512);
353 const char *inbuf = (const char *)src;
354 char *outbuf = NULL, *ob = NULL;
355 smb_iconv_t descriptor;
359 if (src == NULL || srclen == (size_t)-1)
364 lazy_initialize_conv();
366 descriptor = conv_handles[from][to];
368 if (descriptor == (smb_iconv_t)-1 || descriptor == (smb_iconv_t)0) {
370 DEBUG(0,("convert_string_allocate: Conversion not supported.\n"));
375 if ((destlen*2) < destlen) {
376 /* wrapped ! abort. */
378 DEBUG(0, ("convert_string_allocate: destlen wrapped !\n"));
383 destlen = destlen * 2;
387 ob = (char *)talloc_realloc(ctx, ob, destlen);
389 ob = (char *)Realloc(ob, destlen);
392 DEBUG(0, ("convert_string_allocate: realloc failed!\n"));
401 retval = smb_iconv(descriptor,
404 if(retval == (size_t)-1) {
405 const char *reason="unknown error";
408 reason="Incomplete multibyte sequence";
410 DEBUG(3,("convert_string_allocate: Conversion error: %s(%s)\n",reason,inbuf));
415 reason="Illegal multibyte sequence";
417 DEBUG(3,("convert_string_allocate: Conversion error: %s(%s)\n",reason,inbuf));
421 DEBUG(0,("Conversion error: %s(%s)\n",reason,inbuf));
422 /* smb_panic(reason); */
426 destlen = destlen - o_len;
428 *dest = (char *)talloc_realloc(ctx,ob,destlen);
430 *dest = (char *)Realloc(ob,destlen);
431 if (destlen && !*dest) {
432 DEBUG(0, ("convert_string_allocate: out of memory!\n"));
442 /* conversion not supported, use as is */
444 if (srclen && (destlen != srclen)) {
447 ob = (char *)talloc_realloc(ctx, ob, destlen);
449 ob = (char *)Realloc(ob, destlen);
451 DEBUG(0, ("convert_string_allocate: realloc failed!\n"));
458 memcpy(ob,(const char *)src,srclen);
466 * Convert between character sets, allocating a new buffer using talloc for the result.
468 * @param srclen length of source buffer.
469 * @param dest always set at least to NULL
470 * @note -1 is not accepted for srclen.
472 * @returns Size in bytes of the converted string; or -1 in case of error.
474 static size_t convert_string_talloc(TALLOC_CTX *ctx, charset_t from, charset_t to,
475 void const *src, size_t srclen, void **dest)
480 dest_len=convert_string_allocate(ctx, from, to, src, srclen, dest);
481 if (dest_len == (size_t)-1)
488 size_t unix_strupper(const char *src, size_t srclen, char *dest, size_t destlen)
493 size = push_ucs2_allocate(&buffer, src);
495 smb_panic("failed to create UCS2 buffer");
497 if (!strupper_w(buffer) && (dest == src)) {
502 size = convert_string(CH_UCS2, CH_UNIX, buffer, size, dest, destlen);
508 strdup() a unix string to upper case.
512 char *strdup_upper(const char *s)
518 size = convert_string(CH_UNIX, CH_UCS2, s, -1, buffer, sizeof(buffer));
525 size = convert_string(CH_UCS2, CH_UNIX, buffer, sizeof(buffer), out_buffer, sizeof(out_buffer));
530 return strdup(out_buffer);
533 size_t unix_strlower(const char *src, size_t srclen, char *dest, size_t destlen)
538 size = convert_string_allocate(NULL, CH_UNIX, CH_UCS2, src, srclen,
541 smb_panic("failed to create UCS2 buffer");
543 if (!strlower_w(buffer) && (dest == src)) {
547 size = convert_string(CH_UCS2, CH_UNIX, buffer, size, dest, destlen);
553 strdup() a unix string to lower case.
556 char *strdup_lower(const char *s)
562 size = push_ucs2_allocate(&buffer, s);
569 size = pull_ucs2_allocate(&out_buffer, buffer);
579 static size_t ucs2_align(const void *base_ptr, const void *p, int flags)
581 if (flags & (STR_NOALIGN|STR_ASCII))
583 return PTR_DIFF(p, base_ptr) & 1;
588 * Copy a string from a char* unix src to a dos codepage string destination.
590 * @return the number of bytes occupied by the string in the destination.
592 * @param flags can include
594 * <dt>STR_TERMINATE</dt> <dd>means include the null termination</dd>
595 * <dt>STR_UPPER</dt> <dd>means uppercase in the destination</dd>
598 * @param dest_len the maximum length in bytes allowed in the
599 * destination. If @p dest_len is -1 then no maximum is used.
601 size_t push_ascii(void *dest, const char *src, size_t dest_len, int flags)
603 size_t src_len = strlen(src);
606 /* treat a pstring as "unlimited" length */
607 if (dest_len == (size_t)-1)
608 dest_len = sizeof(pstring);
610 if (flags & STR_UPPER) {
611 pstrcpy(tmpbuf, src);
616 if (flags & (STR_TERMINATE | STR_TERMINATE_ASCII))
619 return convert_string(CH_UNIX, CH_DOS, src, src_len, dest, dest_len);
622 size_t push_ascii_fstring(void *dest, const char *src)
624 return push_ascii(dest, src, sizeof(fstring), STR_TERMINATE);
627 size_t push_ascii_pstring(void *dest, const char *src)
629 return push_ascii(dest, src, sizeof(pstring), STR_TERMINATE);
632 size_t push_ascii_nstring(void *dest, const char *src)
634 return push_ascii(dest, src, sizeof(nstring), STR_TERMINATE);
638 * Copy a string from a dos codepage source to a unix char* destination.
640 * The resulting string in "dest" is always null terminated.
642 * @param flags can have:
644 * <dt>STR_TERMINATE</dt>
645 * <dd>STR_TERMINATE means the string in @p src
646 * is null terminated, and src_len is ignored.</dd>
649 * @param src_len is the length of the source area in bytes.
650 * @returns the number of bytes occupied by the string in @p src.
652 size_t pull_ascii(char *dest, const void *src, size_t dest_len, size_t src_len, int flags)
656 if (dest_len == (size_t)-1)
657 dest_len = sizeof(pstring);
659 if (flags & STR_TERMINATE) {
660 if (src_len == (size_t)-1) {
661 src_len = strlen(src) + 1;
663 size_t len = strnlen(src, src_len);
670 ret = convert_string(CH_DOS, CH_UNIX, src, src_len, dest, dest_len);
673 dest[MIN(ret, dest_len-1)] = 0;
680 size_t pull_ascii_pstring(char *dest, const void *src)
682 return pull_ascii(dest, src, sizeof(pstring), -1, STR_TERMINATE);
685 size_t pull_ascii_fstring(char *dest, const void *src)
687 return pull_ascii(dest, src, sizeof(fstring), -1, STR_TERMINATE);
690 size_t pull_ascii_nstring(char *dest, const void *src)
692 return pull_ascii(dest, src, sizeof(nstring), sizeof(nstring), STR_TERMINATE);
696 * Copy a string from a char* src to a unicode destination.
698 * @returns the number of bytes occupied by the string in the destination.
700 * @param flags can have:
703 * <dt>STR_TERMINATE <dd>means include the null termination.
704 * <dt>STR_UPPER <dd>means uppercase in the destination.
705 * <dt>STR_NOALIGN <dd>means don't do alignment.
708 * @param dest_len is the maximum length allowed in the
709 * destination. If dest_len is -1 then no maxiumum is used.
712 size_t push_ucs2(const void *base_ptr, void *dest, const char *src, size_t dest_len, int flags)
717 /* treat a pstring as "unlimited" length */
718 if (dest_len == (size_t)-1)
719 dest_len = sizeof(pstring);
721 if (flags & STR_TERMINATE)
722 src_len = (size_t)-1;
724 src_len = strlen(src);
726 if (ucs2_align(base_ptr, dest, flags)) {
728 dest = (void *)((char *)dest + 1);
734 /* ucs2 is always a multiple of 2 bytes */
737 len += convert_string(CH_UNIX, CH_UCS2, src, src_len, dest, dest_len);
739 if (flags & STR_UPPER) {
740 smb_ucs2_t *dest_ucs2 = dest;
742 for (i = 0; i < (dest_len / 2) && dest_ucs2[i]; i++) {
743 smb_ucs2_t v = toupper_w(dest_ucs2[i]);
744 if (v != dest_ucs2[i]) {
755 * Copy a string from a unix char* src to a UCS2 destination,
756 * allocating a buffer using talloc().
758 * @param dest always set at least to NULL
760 * @returns The number of bytes occupied by the string in the destination
761 * or -1 in case of error.
763 size_t push_ucs2_talloc(TALLOC_CTX *ctx, smb_ucs2_t **dest, const char *src)
765 size_t src_len = strlen(src)+1;
768 return convert_string_talloc(ctx, CH_UNIX, CH_UCS2, src, src_len, (void **)dest);
773 * Copy a string from a unix char* src to a UCS2 destination, allocating a buffer
775 * @param dest always set at least to NULL
777 * @returns The number of bytes occupied by the string in the destination
778 * or -1 in case of error.
781 size_t push_ucs2_allocate(smb_ucs2_t **dest, const char *src)
783 size_t src_len = strlen(src)+1;
786 return convert_string_allocate(NULL, CH_UNIX, CH_UCS2, src, src_len, (void **)dest);
790 Copy a string from a char* src to a UTF-8 destination.
791 Return the number of bytes occupied by the string in the destination
793 STR_TERMINATE means include the null termination
794 STR_UPPER means uppercase in the destination
795 dest_len is the maximum length allowed in the destination. If dest_len
796 is -1 then no maxiumum is used.
799 static size_t push_utf8(void *dest, const char *src, size_t dest_len, int flags)
801 size_t src_len = strlen(src);
804 /* treat a pstring as "unlimited" length */
805 if (dest_len == (size_t)-1)
806 dest_len = sizeof(pstring);
808 if (flags & STR_UPPER) {
809 pstrcpy(tmpbuf, src);
814 if (flags & STR_TERMINATE)
817 return convert_string(CH_UNIX, CH_UTF8, src, src_len, dest, dest_len);
820 size_t push_utf8_fstring(void *dest, const char *src)
822 return push_utf8(dest, src, sizeof(fstring), STR_TERMINATE);
826 * Copy a string from a unix char* src to a UTF-8 destination, allocating a buffer using talloc
828 * @param dest always set at least to NULL
830 * @returns The number of bytes occupied by the string in the destination
833 size_t push_utf8_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
835 size_t src_len = strlen(src)+1;
838 return convert_string_talloc(ctx, CH_UNIX, CH_UTF8, src, src_len, (void**)dest);
842 * Copy a string from a unix char* src to a UTF-8 destination, allocating a buffer
844 * @param dest always set at least to NULL
846 * @returns The number of bytes occupied by the string in the destination
849 size_t push_utf8_allocate(char **dest, const char *src)
851 size_t src_len = strlen(src)+1;
854 return convert_string_allocate(NULL, CH_UNIX, CH_UTF8, src, src_len, (void **)dest);
858 Copy a string from a ucs2 source to a unix char* destination.
860 STR_TERMINATE means the string in src is null terminated.
861 STR_NOALIGN means don't try to align.
862 if STR_TERMINATE is set then src_len is ignored if it is -1.
863 src_len is the length of the source area in bytes
864 Return the number of bytes occupied by the string in src.
865 The resulting string in "dest" is always null terminated.
868 size_t pull_ucs2(const void *base_ptr, char *dest, const void *src, size_t dest_len, size_t src_len, int flags)
872 if (dest_len == (size_t)-1)
873 dest_len = sizeof(pstring);
875 if (ucs2_align(base_ptr, src, flags)) {
876 src = (const void *)((const char *)src + 1);
881 if (flags & STR_TERMINATE) {
882 /* src_len -1 is the default for null terminated strings. */
883 if (src_len != (size_t)-1) {
884 size_t len = strnlen_w(src, src_len/2);
891 /* ucs2 is always a multiple of 2 bytes */
892 if (src_len != (size_t)-1)
895 ret = convert_string(CH_UCS2, CH_UNIX, src, src_len, dest, dest_len);
897 dest[MIN(ret, dest_len-1)] = 0;
904 size_t pull_ucs2_pstring(char *dest, const void *src)
906 return pull_ucs2(NULL, dest, src, sizeof(pstring), -1, STR_TERMINATE);
909 size_t pull_ucs2_fstring(char *dest, const void *src)
911 return pull_ucs2(NULL, dest, src, sizeof(fstring), -1, STR_TERMINATE);
915 * Copy a string from a UCS2 src to a unix char * destination, allocating a buffer using talloc
917 * @param dest always set at least to NULL
919 * @returns The number of bytes occupied by the string in the destination
922 size_t pull_ucs2_talloc(TALLOC_CTX *ctx, char **dest, const smb_ucs2_t *src)
924 size_t src_len = (strlen_w(src)+1) * sizeof(smb_ucs2_t);
926 return convert_string_talloc(ctx, CH_UCS2, CH_UNIX, src, src_len, (void **)dest);
930 * Copy a string from a UCS2 src to a unix char * destination, allocating a buffer
932 * @param dest always set at least to NULL
934 * @returns The number of bytes occupied by the string in the destination
937 size_t pull_ucs2_allocate(char **dest, const smb_ucs2_t *src)
939 size_t src_len = (strlen_w(src)+1) * sizeof(smb_ucs2_t);
941 return convert_string_allocate(NULL, CH_UCS2, CH_UNIX, src, src_len, (void **)dest);
945 * Copy a string from a UTF-8 src to a unix char * destination, allocating a buffer using talloc
947 * @param dest always set at least to NULL
949 * @returns The number of bytes occupied by the string in the destination
952 size_t pull_utf8_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
954 size_t src_len = strlen(src)+1;
956 return convert_string_talloc(ctx, CH_UTF8, CH_UNIX, src, src_len, (void **)dest);
960 * Copy a string from a UTF-8 src to a unix char * destination, allocating a buffer
962 * @param dest always set at least to NULL
964 * @returns The number of bytes occupied by the string in the destination
967 size_t pull_utf8_allocate(void **dest, const char *src)
969 size_t src_len = strlen(src)+1;
971 return convert_string_allocate(NULL, CH_UTF8, CH_UNIX, src, src_len, dest);
975 Copy a string from a char* src to a unicode or ascii
976 dos codepage destination choosing unicode or ascii based on the
977 flags in the SMB buffer starting at base_ptr.
978 Return the number of bytes occupied by the string in the destination.
980 STR_TERMINATE means include the null termination.
981 STR_UPPER means uppercase in the destination.
982 STR_ASCII use ascii even with unicode packet.
983 STR_NOALIGN means don't do alignment.
984 dest_len is the maximum length allowed in the destination. If dest_len
985 is -1 then no maxiumum is used.
988 size_t push_string_fn(const char *function, unsigned int line, const void *base_ptr, void *dest, const char *src, size_t dest_len, int flags)
991 /* We really need to zero fill here, not clobber
992 * region, as we want to ensure that valgrind thinks
993 * all of the outgoing buffer has been written to
994 * so a send() or write() won't trap an error.
998 if (dest_len != (size_t)-1)
999 clobber_region(function, line, dest, dest_len);
1001 if (dest_len != (size_t)-1)
1002 memset(dest, '\0', dest_len);
1006 if (!(flags & STR_ASCII) && \
1007 ((flags & STR_UNICODE || \
1008 (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
1009 return push_ucs2(base_ptr, dest, src, dest_len, flags);
1011 return push_ascii(dest, src, dest_len, flags);
1016 Copy a string from a unicode or ascii source (depending on
1017 the packet flags) to a char* destination.
1019 STR_TERMINATE means the string in src is null terminated.
1020 STR_UNICODE means to force as unicode.
1021 STR_ASCII use ascii even with unicode packet.
1022 STR_NOALIGN means don't do alignment.
1023 if STR_TERMINATE is set then src_len is ignored is it is -1
1024 src_len is the length of the source area in bytes.
1025 Return the number of bytes occupied by the string in src.
1026 The resulting string in "dest" is always null terminated.
1029 size_t pull_string_fn(const char *function, unsigned int line, const void *base_ptr, char *dest, const void *src, size_t dest_len, size_t src_len, int flags)
1032 if (dest_len != (size_t)-1)
1033 clobber_region(function, line, dest, dest_len);
1036 if (!(flags & STR_ASCII) && \
1037 ((flags & STR_UNICODE || \
1038 (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
1039 return pull_ucs2(base_ptr, dest, src, dest_len, src_len, flags);
1041 return pull_ascii(dest, src, dest_len, src_len, flags);
1044 size_t align_string(const void *base_ptr, const char *p, int flags)
1046 if (!(flags & STR_ASCII) && \
1047 ((flags & STR_UNICODE || \
1048 (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
1049 return ucs2_align(base_ptr, p, flags);