summaryrefslogtreecommitdiff
path: root/source3/lib/charcnv.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/lib/charcnv.c')
-rw-r--r--source3/lib/charcnv.c822
1 files changed, 742 insertions, 80 deletions
diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c
index 049390f2a4..cdfca8eb97 100644
--- a/source3/lib/charcnv.c
+++ b/source3/lib/charcnv.c
@@ -1,8 +1,9 @@
/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
Character set conversion Extensions
- Copyright (C) Andrew Tridgell 1992-1994
+ Copyright (C) Igor Vergeichik <iverg@mail.ru> 2001
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Simo Sorce 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -20,107 +21,768 @@
*/
#include "includes.h"
-extern int DEBUGLEVEL;
-static char cvtbuf[1024];
+static pstring cvtbuf;
-static mapsinited = 0;
+static smb_iconv_t conv_handles[NUM_CHARSETS][NUM_CHARSETS];
-static char unix2dos[256];
-static char dos2unix[256];
+/****************************************************************************
+return the name of a charset to give to iconv()
+****************************************************************************/
+static char *charset_name(charset_t ch)
+{
+ char *ret = NULL;
+
+ if (ch == CH_UCS2) ret = "UCS-2LE";
+ else if (ch == CH_UNIX) ret = lp_unix_charset();
+ else if (ch == CH_DOS) ret = lp_dos_charset();
+ else if (ch == CH_DISPLAY) ret = lp_display_charset();
+ else if (ch == CH_UTF8) ret = "UTF8";
+
+ if (!ret || !*ret) ret = "ASCII";
+ return ret;
+}
+
+
+static void lazy_initialize_conv(void)
+{
+ static int initialized = False;
+
+ if (!initialized) {
+ initialized = True;
+ load_case_tables();
+ init_iconv();
+ init_valid_table();
+ }
+}
+
+/****************************************************************************
+ Initialize iconv conversion descriptors
+****************************************************************************/
+void init_iconv(void)
+{
+ int c1, c2;
+ BOOL did_reload = False;
+
+ /* so that charset_name() works we need to get the UNIX<->UCS2 going
+ first */
+ if (!conv_handles[CH_UNIX][CH_UCS2]) {
+ conv_handles[CH_UNIX][CH_UCS2] = smb_iconv_open("UCS-2LE", "ASCII");
+ }
+ if (!conv_handles[CH_UCS2][CH_UNIX]) {
+ conv_handles[CH_UCS2][CH_UNIX] = smb_iconv_open("ASCII", "UCS-2LE");
+ }
+
+
+ for (c1=0;c1<NUM_CHARSETS;c1++) {
+ for (c2=0;c2<NUM_CHARSETS;c2++) {
+ char *n1 = charset_name((charset_t)c1);
+ char *n2 = charset_name((charset_t)c2);
+ if (conv_handles[c1][c2] &&
+ strcmp(n1, conv_handles[c1][c2]->from_name) == 0 &&
+ strcmp(n2, conv_handles[c1][c2]->to_name) == 0) continue;
+
+ did_reload = True;
+
+ if (conv_handles[c1][c2]) {
+ smb_iconv_close(conv_handles[c1][c2]);
+ }
+ conv_handles[c1][c2] = smb_iconv_open(n2,n1);
+ if (conv_handles[c1][c2] == (smb_iconv_t)-1) {
+ DEBUG(0,("Conversion from %s to %s not supported\n",
+ charset_name((charset_t)c1), charset_name((charset_t)c2)));
+ conv_handles[c1][c2] = NULL;
+ }
+ }
+ }
+
+ if (did_reload) {
+ init_valid_table();
+ }
+}
+
+/**
+ * Convert string from one encoding to another, making error checking etc
+ *
+ * @param descriptor conversion descriptor, created in init_iconv()
+ * @param src pointer to source string (multibyte or singlebyte)
+ * @param srclen length of the source string in bytes
+ * @param dest pointer to destination string (multibyte or singlebyte)
+ * @param destlen maximal length allowed for string
+ * @retval the number of bytes occupied in the destination
+ **/
+size_t convert_string(charset_t from, charset_t to,
+ void const *src, size_t srclen,
+ void *dest, size_t destlen)
+{
+ size_t i_len, o_len;
+ size_t retval;
+ const char* inbuf = (const char*)src;
+ char* outbuf = (char*)dest;
+ smb_iconv_t descriptor;
+
+ if (srclen == -1) srclen = strlen(src)+1;
-static void initmaps() {
- int k;
+ lazy_initialize_conv();
- for (k = 0; k < 256; k++) unix2dos[k] = k;
- for (k = 0; k < 256; k++) dos2unix[k] = k;
+ descriptor = conv_handles[from][to];
- mapsinited = 1;
+ if (descriptor == (smb_iconv_t)-1 || descriptor == (smb_iconv_t)0) {
+ /* conversion not supported, use as is */
+ int len = MIN(srclen,destlen);
+ memcpy(dest,src,len);
+ return len;
+ }
+
+ i_len=srclen;
+ o_len=destlen;
+ retval = smb_iconv(descriptor, &inbuf, &i_len, &outbuf, &o_len);
+ if(retval==-1)
+ {
+ char *reason="unknown error";
+ switch(errno)
+ { case EINVAL: reason="Incomplete multibyte sequence"; break;
+ case E2BIG: reason="No more room";
+ DEBUG(0, ("Required %d, available %d\n",
+ srclen, destlen));
+ /* we are not sure we need srclen bytes,
+ may be more, may be less.
+ We only know we need more than destlen
+ bytes ---simo */
+
+
+ break;
+ case EILSEQ: reason="Illegal multibyte sequence"; break;
+ }
+ /* smb_panic(reason); */
+ }
+ return destlen-o_len;
}
-static void update_map(char * str) {
- char *p;
+/**
+ * Convert between character sets, allocating a new buffer for the result.
+ *
+ * @param srclen length of source buffer.
+ * @param dest always set at least to NULL
+ * @note -1 is not accepted for srclen.
+ *
+ * @retval Size in bytes of the converted string; or -1 in case of error.
+ **/
+size_t convert_string_allocate(charset_t from, charset_t to,
+ void const *src, size_t srclen, void **dest)
+{
+ size_t i_len, o_len, destlen;
+ size_t retval;
+ const char *inbuf = (const char *)src;
+ char *outbuf, *ob;
+ smb_iconv_t descriptor;
+
+ *dest = NULL;
+
+ if (src == NULL || srclen == -1) return -1;
+
+ lazy_initialize_conv();
- for (p = str; *p; p++) {
- if (p[1]) {
- unix2dos[(unsigned char)*p] = p[1];
- dos2unix[(unsigned char)p[1]] = *p;
- p++;
- }
- }
+ descriptor = conv_handles[from][to];
+
+ if (descriptor == (smb_iconv_t)-1 || descriptor == (smb_iconv_t)0) {
+ /* conversion not supported, return -1*/
+ DEBUG(3, ("convert_string_allocate: conversion not supported!\n"));
+ return -1;
+ }
+
+ destlen = MAX(srclen, 512);
+ outbuf = NULL;
+convert:
+ destlen = destlen * 2;
+ ob = (char *)realloc(outbuf, destlen);
+ if (!ob) {
+ DEBUG(0, ("convert_string_allocate: realloc failed!\n"));
+ SAFE_FREE(outbuf);
+ return -1;
+ }
+ else outbuf = ob;
+ i_len = srclen;
+ o_len = destlen;
+ retval = smb_iconv(descriptor,
+ &inbuf, &i_len,
+ &outbuf, &o_len);
+ if(retval == -1)
+ {
+ char *reason="unknown error";
+ switch(errno)
+ {
+ case EINVAL:
+ reason="Incomplete multibyte sequence";
+ break;
+ case E2BIG:
+ goto convert;
+ case EILSEQ:
+ reason="Illegal multibyte sequence";
+ break;
+ }
+ DEBUG(0,("Conversion error: %s(%s)\n",reason,inbuf));
+ /* smb_panic(reason); */
+ return -1;
+ }
+
+ destlen = destlen - o_len;
+ *dest = (char *)Realloc(ob,destlen);
+ if (!*dest) {
+ DEBUG(0, ("convert_string_allocate: out of memory!\n"));
+ SAFE_FREE(ob);
+ return -1;
+ }
+
+ return destlen;
}
-static void initiso() {
+/**
+ * Convert between character sets, allocating a new buffer using talloc for the result.
+ *
+ * @param srclen length of source buffer.
+ * @param dest always set at least to NULL
+ * @note -1 is not accepted for srclen.
+ *
+ * @retval Size in bytes of the converted string; or -1 in case of error.
+ **/
+size_t convert_string_talloc(TALLOC_CTX *ctx, charset_t from, charset_t to,
+ void const *src, size_t srclen, void **dest)
+{
+ void *ob;
+ size_t dest_len;
- if (!mapsinited) initmaps();
+ *dest = NULL;
+ dest_len=convert_string_allocate(from, to, src, srclen, (void **)&ob);
+ if (dest_len == -1)
+ return -1;
+ *dest = talloc_strdup(ctx, (char *)ob);
+ SAFE_FREE(ob);
+ if (*dest == NULL)
+ return -1;
+ return dest_len;
+}
- update_map("\241\255\242\233\243\234\244\236\245\235\246\272\247\025\250\251");
- update_map("\251\273\252\246\253\256\254\252\255\274\256\310\257\257\260\370");
- update_map("\261\361\262\375\263\264\264\265\265\266\266\024\267\371\270\267");
- update_map("\271\270\272\247\273\275\274\254\275\253\276\276\277\250\200\277");
- update_map("\301\300\302\301\303\302\304\216\305\217\306\222\307\200\310\303");
- update_map("\311\220\312\305\313\306\314\307\315\315\316\317\317\320\320\311");
- update_map("\321\245\322\321\323\322\324\323\325\324\326\231\327\312\330\325");
- update_map("\331\326\332\327\333\330\334\232\335\313\336\314\337\341\340\205");
- update_map("\341\240\342\203\343\331\344\204\345\206\346\221\347\207\350\212");
- update_map("\351\202\352\210\353\211\354\215\355\241\356\214\357\213\360\316");
- update_map("\361\244\362\225\363\242\364\223\365\332\366\224\367\366\370\362");
- update_map("\371\227\372\243\373\226\374\201\375\304\376\263\377\230");
+int unix_strupper(const char *src, size_t srclen, char *dest, size_t destlen)
+{
+ int size;
+ smb_ucs2_t *buffer=(smb_ucs2_t*)cvtbuf;
+ size=convert_string(CH_UNIX, CH_UCS2, src, srclen, buffer, sizeof(cvtbuf));
+ if (!strupper_w(buffer) && (dest == src)) return srclen;
+ return convert_string(CH_UCS2, CH_UNIX, buffer, size, dest, destlen);
}
-/*
- * Convert unix to dos
- */
-char *
-unix2dos_format(char *str,BOOL overwrite)
+int unix_strlower(const char *src, size_t srclen, char *dest, size_t destlen)
{
- char *p;
- char *dp;
+ int size;
+ smb_ucs2_t *buffer=(smb_ucs2_t*)cvtbuf;
+ size=convert_string(CH_UNIX, CH_UCS2, src, srclen, buffer, sizeof(cvtbuf));
+ if (!strlower_w(buffer) && (dest == src)) return srclen;
+ return convert_string(CH_UCS2, CH_UNIX, buffer, size, dest, destlen);
+}
+
- if (!mapsinited) initmaps();
- if (overwrite) {
- for (p = str; *p; p++) *p = unix2dos[(unsigned char)*p];
- return str;
- } else {
- for (p = str, dp = cvtbuf; *p; p++,dp++) *dp = unix2dos[(unsigned char)*p];
- *dp = 0;
- return cvtbuf;
- }
+int ucs2_align(const void *base_ptr, const void *p, int flags)
+{
+ if (flags & (STR_NOALIGN|STR_ASCII)) return 0;
+ return PTR_DIFF(p, base_ptr) & 1;
}
-/*
- * Convert dos to unix
- */
-char *
-dos2unix_format (char *str, BOOL overwrite)
+
+/****************************************************************************
+copy a string from a char* unix src to a dos codepage string destination
+return the number of bytes occupied by the string in the destination
+flags can have:
+ STR_TERMINATE means include the null termination
+ STR_UPPER means uppercase in the destination
+dest_len is the maximum length allowed in the destination. If dest_len
+is -1 then no maxiumum is used
+****************************************************************************/
+int push_ascii(void *dest, const char *src, int dest_len, int flags)
{
- char *p;
- char *dp;
+ int src_len = strlen(src);
+ pstring tmpbuf;
- if (!mapsinited) initmaps();
- if (overwrite) {
- for (p = str; *p; p++) *p = dos2unix[(unsigned char)*p];
- return str;
- } else {
- for (p = str, dp = cvtbuf; *p; p++,dp++) *dp = dos2unix[(unsigned char)*p];
- *dp = 0;
- return cvtbuf;
- }
+ /* treat a pstring as "unlimited" length */
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
+
+ if (flags & STR_UPPER) {
+ pstrcpy(tmpbuf, src);
+ strupper(tmpbuf);
+ src = tmpbuf;
+ }
+
+ if (flags & STR_TERMINATE) {
+ src_len++;
+ }
+
+ return convert_string(CH_UNIX, CH_DOS, src, src_len, dest, dest_len);
}
+int push_ascii_fstring(void *dest, const char *src)
+{
+ return push_ascii(dest, src, sizeof(fstring), STR_TERMINATE);
+}
-/*
- * Interpret character set.
- */
-int
-interpret_character_set (char *str, int def)
+int push_ascii_pstring(void *dest, const char *src)
{
+ return push_ascii(dest, src, sizeof(pstring), STR_TERMINATE);
+}
+
+int push_pstring(void *dest, const char *src)
+{
+ return push_ascii(dest, src, sizeof(pstring), STR_TERMINATE);
+}
+
+
+/****************************************************************************
+copy a string from a dos codepage source to a unix char* destination
+flags can have:
+ STR_TERMINATE means the string in src is null terminated
+if STR_TERMINATE is set then src_len is ignored
+src_len is the length of the source area in bytes
+return the number of bytes occupied by the string in src
+the resulting string in "dest" is always null terminated
+****************************************************************************/
+int pull_ascii(char *dest, const void *src, int dest_len, int src_len, int flags)
+{
+ int ret;
+
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
+
+ if (flags & STR_TERMINATE) src_len = strlen(src)+1;
+
+ ret = convert_string(CH_DOS, CH_UNIX, src, src_len, dest, dest_len);
+
+ if (dest_len) dest[MIN(ret, dest_len-1)] = 0;
+
+ return src_len;
+}
+
+int pull_ascii_pstring(char *dest, const void *src)
+{
+ return pull_ascii(dest, src, sizeof(pstring), -1, STR_TERMINATE);
+}
+
+int pull_ascii_fstring(char *dest, const void *src)
+{
+ return pull_ascii(dest, src, sizeof(fstring), -1, STR_TERMINATE);
+}
+
+/****************************************************************************
+copy a string from a char* src to a unicode destination
+return the number of bytes occupied by the string in the destination
+flags can have:
+ STR_TERMINATE means include the null termination
+ STR_UPPER means uppercase in the destination
+ STR_NOALIGN means don't do alignment
+dest_len is the maximum length allowed in the destination. If dest_len
+is -1 then no maxiumum is used
+****************************************************************************/
+int push_ucs2(const void *base_ptr, void *dest, const char *src, int dest_len, int flags)
+{
+ int len=0;
+ int src_len = strlen(src);
+ pstring tmpbuf;
+
+ /* treat a pstring as "unlimited" length */
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
+
+ if (flags & STR_UPPER) {
+ pstrcpy(tmpbuf, src);
+ strupper(tmpbuf);
+ src = tmpbuf;
+ }
+
+ if (flags & STR_TERMINATE) {
+ src_len++;
+ }
+
+ if (ucs2_align(base_ptr, dest, flags)) {
+ *(char *)dest = 0;
+ dest = (void *)((char *)dest + 1);
+ if (dest_len) dest_len--;
+ len++;
+ }
+
+ /* ucs2 is always a multiple of 2 bytes */
+ dest_len &= ~1;
+
+ len += convert_string(CH_UNIX, CH_UCS2, src, src_len, dest, dest_len);
+ return len;
+}
+
+/**
+ * Copy a string from a unix char* src to a UCS2 destination, allocating a buffer using talloc
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int push_ucs2_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+
+ *dest = NULL;
+ return convert_string_talloc(ctx, CH_UNIX, CH_UCS2, src, src_len, dest);
+}
+
+/**
+ * Copy a string from a unix char* src to a UCS2 destination, allocating a buffer
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int push_ucs2_allocate(void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+
+ *dest = NULL;
+ return convert_string_allocate(CH_UNIX, CH_UCS2, src, src_len, dest);
+}
+
+/****************************************************************************
+copy a string from a char* src to a UTF-8 destination
+return the number of bytes occupied by the string in the destination
+flags can have:
+ STR_TERMINATE means include the null termination
+ STR_UPPER means uppercase in the destination
+dest_len is the maximum length allowed in the destination. If dest_len
+is -1 then no maxiumum is used
+****************************************************************************/
+int push_utf8(void *dest, const char *src, int dest_len, int flags)
+{
+ int src_len = strlen(src);
+ pstring tmpbuf;
+
+ /* treat a pstring as "unlimited" length */
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
- if (strequal (str, "iso8859-1")) {
- initiso();
- return def;
- } else {
- DEBUG(0,("unrecognized character set\n"));
- }
- return def;
+ if (flags & STR_UPPER) {
+ pstrcpy(tmpbuf, src);
+ strupper(tmpbuf);
+ src = tmpbuf;
+ }
+
+ if (flags & STR_TERMINATE) {
+ src_len++;
+ }
+
+ return convert_string(CH_UNIX, CH_UTF8, src, src_len, dest, dest_len);
+}
+
+int push_utf8_fstring(void *dest, const char *src)
+{
+ return push_utf8(dest, src, sizeof(fstring), STR_TERMINATE);
+}
+
+int push_utf8_pstring(void *dest, const char *src)
+{
+ return push_utf8(dest, src, sizeof(pstring), STR_TERMINATE);
+}
+
+/**
+ * Copy a string from a unix char* src to a UTF-8 destination, allocating a buffer using talloc
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int push_utf8_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+
+ *dest = NULL;
+ return convert_string_talloc(ctx, CH_UNIX, CH_UTF8, src, src_len, dest);
+}
+
+/**
+ * Copy a string from a unix char* src to a UTF-8 destination, allocating a buffer
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int push_utf8_allocate(void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+
+ *dest = NULL;
+ return convert_string_allocate(CH_UNIX, CH_UTF8, src, src_len, dest);
+}
+
+/****************************************************************************
+copy a string from a ucs2 source to a unix char* destination
+flags can have:
+ STR_TERMINATE means the string in src is null terminated
+ STR_NOALIGN means don't try to align
+if STR_TERMINATE is set then src_len is ignored
+src_len is the length of the source area in bytes
+return the number of bytes occupied by the string in src
+the resulting string in "dest" is always null terminated
+****************************************************************************/
+int pull_ucs2(const void *base_ptr, char *dest, const void *src, int dest_len, int src_len, int flags)
+{
+ int ret;
+
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
+
+ if (ucs2_align(base_ptr, src, flags)) {
+ src = (const void *)((const char *)src + 1);
+ if (src_len > 0) src_len--;
+ }
+
+ if (flags & STR_TERMINATE) src_len = strlen_w(src)*2+2;
+
+ /* ucs2 is always a multiple of 2 bytes */
+ src_len &= ~1;
+
+ ret = convert_string(CH_UCS2, CH_UNIX, src, src_len, dest, dest_len);
+ if (dest_len) dest[MIN(ret, dest_len-1)] = 0;
+
+ return src_len;
+}
+
+int pull_ucs2_pstring(char *dest, const void *src)
+{
+ return pull_ucs2(NULL, dest, src, sizeof(pstring), -1, STR_TERMINATE);
+}
+
+int pull_ucs2_fstring(char *dest, const void *src)
+{
+ return pull_ucs2(NULL, dest, src, sizeof(fstring), -1, STR_TERMINATE);
+}
+
+/**
+ * Copy a string from a UCS2 src to a unix char * destination, allocating a buffer using talloc
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int pull_ucs2_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+ *dest = NULL;
+ return convert_string_talloc(ctx, CH_UCS2, CH_UNIX, src, src_len, dest);
+}
+
+/**
+ * Copy a string from a UCS2 src to a unix char * destination, allocating a buffer
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int pull_ucs2_allocate(void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+ *dest = NULL;
+ return convert_string_allocate(CH_UCS2, CH_UNIX, src, src_len, dest);
+}
+
+/****************************************************************************
+copy a string from a utf-8 source to a unix char* destination
+flags can have:
+ STR_TERMINATE means the string in src is null terminated
+if STR_TERMINATE is set then src_len is ignored
+src_len is the length of the source area in bytes
+return the number of bytes occupied by the string in src
+the resulting string in "dest" is always null terminated
+****************************************************************************/
+int pull_utf8(char *dest, const void *src, int dest_len, int src_len, int flags)
+{
+ int ret;
+
+ if (dest_len == -1) {
+ dest_len = sizeof(pstring);
+ }
+
+ if (flags & STR_TERMINATE) src_len = strlen(src)+1;
+
+ ret = convert_string(CH_UTF8, CH_UNIX, src, src_len, dest, dest_len);
+ if (dest_len) dest[MIN(ret, dest_len-1)] = 0;
+
+ return src_len;
+}
+
+int pull_utf8_pstring(char *dest, const void *src)
+{
+ return pull_utf8(dest, src, sizeof(pstring), -1, STR_TERMINATE);
+}
+
+int pull_utf8_fstring(char *dest, const void *src)
+{
+ return pull_utf8(dest, src, sizeof(fstring), -1, STR_TERMINATE);
+}
+
+/**
+ * Copy a string from a UTF-8 src to a unix char * destination, allocating a buffer using talloc
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int pull_utf8_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+ *dest = NULL;
+ return convert_string_talloc(ctx, CH_UTF8, CH_UNIX, src, src_len, dest);
+}
+
+/**
+ * Copy a string from a UTF-8 src to a unix char * destination, allocating a buffer
+ *
+ * @param dest always set at least to NULL
+ *
+ * @retval The number of bytes occupied by the string in the destination
+ **/
+int pull_utf8_allocate(void **dest, const char *src)
+{
+ int src_len = strlen(src)+1;
+ *dest = NULL;
+ return convert_string_allocate(CH_UTF8, CH_UNIX, src, src_len, dest);
+}
+
+/****************************************************************************
+copy a string from a char* src to a unicode or ascii
+dos codepage destination choosing unicode or ascii based on the
+flags in the SMB buffer starting at base_ptr
+return the number of bytes occupied by the string in the destination
+flags can have:
+ STR_TERMINATE means include the null termination
+ STR_UPPER means uppercase in the destination
+ STR_ASCII use ascii even with unicode packet
+ STR_NOALIGN means don't do alignment
+dest_len is the maximum length allowed in the destination. If dest_len
+is -1 then no maxiumum is used
+****************************************************************************/
+int push_string(const void *base_ptr, void *dest, const char *src, int dest_len, int flags)
+{
+ if (!(flags & STR_ASCII) && \
+ ((flags & STR_UNICODE || \
+ (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
+ return push_ucs2(base_ptr, dest, src, dest_len, flags);
+ }
+ return push_ascii(dest, src, dest_len, flags);
+}
+
+
+/****************************************************************************
+copy a string from a unicode or ascii source (depending on
+the packet flags) to a char* destination
+flags can have:
+ STR_TERMINATE means the string in src is null terminated
+ STR_UNICODE means to force as unicode
+ STR_ASCII use ascii even with unicode packet
+ STR_NOALIGN means don't do alignment
+if STR_TERMINATE is set then src_len is ignored
+src_len is the length of the source area in bytes
+return the number of bytes occupied by the string in src
+the resulting string in "dest" is always null terminated
+****************************************************************************/
+int pull_string(const void *base_ptr, char *dest, const void *src, int dest_len, int src_len,
+ int flags)
+{
+ if (!(flags & STR_ASCII) && \
+ ((flags & STR_UNICODE || \
+ (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
+ return pull_ucs2(base_ptr, dest, src, dest_len, src_len, flags);
+ }
+ return pull_ascii(dest, src, dest_len, src_len, flags);
+}
+
+int align_string(const void *base_ptr, const char *p, int flags)
+{
+ if (!(flags & STR_ASCII) && \
+ ((flags & STR_UNICODE || \
+ (SVAL(base_ptr, smb_flg2) & FLAGS2_UNICODE_STRINGS)))) {
+ return ucs2_align(base_ptr, p, flags);
+ }
+ return 0;
+}
+
+
+
+/****************************************************************************
+convert from ucs2 to unix charset and return the
+allocated and converted string or NULL if an error occurred.
+you must provide a zero terminated string.
+the returning string will be zero terminated.
+****************************************************************************/
+char *acnv_u2ux(const smb_ucs2_t *src)
+{
+ size_t slen;
+ size_t dlen;
+ void *dest;
+
+ slen = (strlen_w(src) + 1) * sizeof(smb_ucs2_t);
+ dlen = convert_string_allocate(CH_UCS2, CH_UNIX, src, slen, &dest);
+ if (dlen == -1) return NULL;
+ else return dest;
+}
+
+/****************************************************************************
+convert from unix to ucs2 charset and return the
+allocated and converted string or NULL if an error occurred.
+you must provide a zero terminated string.
+the returning string will be zero terminated.
+****************************************************************************/
+smb_ucs2_t *acnv_uxu2(const char *src)
+{
+ size_t slen;
+ size_t dlen;
+ void *dest;
+
+ slen = strlen(src) + 1;
+ dlen = convert_string_allocate(CH_UNIX, CH_UCS2, src, slen, &dest);
+ if (dlen == -1) return NULL;
+ else return dest;
+}
+
+/****************************************************************************
+convert from ucs2 to dos charset and return the
+allocated and converted string or NULL if an error occurred.
+you must provide a zero terminated string.
+the returning string will be zero terminated.
+****************************************************************************/
+char *acnv_u2dos(const smb_ucs2_t *src)
+{
+ size_t slen;
+ size_t dlen;
+ void *dest;
+
+ slen = (strlen_w(src) + 1) * sizeof(smb_ucs2_t);
+ dlen = convert_string_allocate(CH_UCS2, CH_DOS, src, slen, &dest);
+ if (dlen == -1) return NULL;
+ else return dest;
+}
+
+/****************************************************************************
+convert from dos to ucs2 charset and return the
+allocated and converted string or NULL if an error occurred.
+you must provide a zero terminated string.
+the returning string will be zero terminated.
+****************************************************************************/
+smb_ucs2_t *acnv_dosu2(const char *src)
+{
+ size_t slen;
+ size_t dlen;
+ void *dest;
+
+ slen = strlen(src) + 1;
+ dlen = convert_string_allocate(CH_DOS, CH_UCS2, src, slen, &dest);
+ if (dlen == -1) return NULL;
+ else return dest;
}
generated by cgit (git 2.34.1) at 2024-12-25 00:00:33 +0000