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-rw-r--r--source3/lib/charcnv.c46
-rw-r--r--source3/lib/util_unistr.c205
-rw-r--r--source3/smbd/mangle.c2
3 files changed, 154 insertions, 99 deletions
diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c
index 2929233388..59a2af72a4 100644
--- a/source3/lib/charcnv.c
+++ b/source3/lib/charcnv.c
@@ -171,7 +171,7 @@ size_t convert_string_allocate(charset_t from, charset_t to,
return -1;
}
- destlen = MAX(srclen, 1024);
+ destlen = MAX(srclen, 512);
outbuf = NULL;
convert:
destlen = destlen * 2;
@@ -208,15 +208,13 @@ convert:
}
destlen = destlen - o_len;
- *dest = (char *)malloc(destlen);
+ *dest = (char *)realloc(outbuf,destlen);
if (!*dest) {
DEBUG(0, ("convert_string_allocate: out of memory!\n"));
free(outbuf);
return -1;
}
- memcpy(*dest, outbuf, destlen);
- free(outbuf);
-
+
return destlen;
}
@@ -478,3 +476,41 @@ int align_string(const void *base_ptr, const char *p, int 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;
+ dlen = convert_string_allocate(CH_UCS2, CH_UNIX, src, slen, &dest);
+ if (dlen == -1) return NULL;
+ else return dest;
+}
+
+/****************************************************************************
+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.
+****************************************************************************/
+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;
+}
diff --git a/source3/lib/util_unistr.c b/source3/lib/util_unistr.c
index 8a7253a718..08281fec4f 100644
--- a/source3/lib/util_unistr.c
+++ b/source3/lib/util_unistr.c
@@ -271,29 +271,13 @@ smb_ucs2_t *strstr_w(const smb_ucs2_t *s, const smb_ucs2_t *ins)
slen = strlen_w(s);
inslen = strlen_w(ins);
r = (smb_ucs2_t *)s;
- while (r = strchr_w(r, *ins)) {
+ while ((r = strchr_w(r, *ins))) {
if (strncmp_w(r, ins, inslen) == 0) return r;
r++;
}
return NULL;
}
-smb_ucs2_t *strstr_wa(const smb_ucs2_t *s, const char *ins)
-{
- smb_ucs2_t *r;
- size_t slen, inslen;
-
- if (!s || !*s || !ins || !*ins) return NULL;
- slen = strlen_w(s);
- inslen = strlen(ins);
- r = (smb_ucs2_t *)s;
- while (r = strchr_w(r, UCS2_CHAR(*ins))) {
- if (strncmp_wa(r, ins, inslen) == 0) return r;
- r++;
- }
- return NULL;
-}
-
/*******************************************************************
Convert a string to lower case.
return True if any char is converted
@@ -342,6 +326,22 @@ void strnorm_w(smb_ucs2_t *s)
strlower_w(s);
}
+int strcmp_w(const smb_ucs2_t *a, const smb_ucs2_t *b)
+{
+ while (*b && *a == *b) { a++; b++; }
+ return (*a - *b);
+ /* warning: if *a != *b and both are not 0 we retrun a random
+ greater or lesser than 0 number not realted to which
+ string is longer */
+}
+
+int strncmp_w(const smb_ucs2_t *a, const smb_ucs2_t *b, size_t len)
+{
+ size_t n = 0;
+ while ((n < len) && *b && *a == *b) { a++; b++; n++;}
+ return (len - n)?(*a - *b):0;
+}
+
/*******************************************************************
case insensitive string comparison
********************************************************************/
@@ -449,6 +449,74 @@ smb_ucs2_t *strncat_w(smb_ucs2_t *dest, const smb_ucs2_t *src, const size_t max)
return dest;
}
+smb_ucs2_t *strcat_w(smb_ucs2_t *dest, const smb_ucs2_t *src)
+{
+ size_t start;
+ size_t len;
+
+ if (!dest || !src) return NULL;
+
+ start = strlen_w(dest);
+ len = strlen_w(src);
+
+ memcpy(&dest[start], src, len*sizeof(smb_ucs2_t));
+ dest[start+len] = 0;
+
+ return dest;
+}
+
+
+/*******************************************************************
+replace any occurence of oldc with newc in unicode string
+********************************************************************/
+
+void string_replace_w(smb_ucs2_t *s, smb_ucs2_t oldc, smb_ucs2_t newc)
+{
+ for(;*s;s++) {
+ if(*s==oldc) *s=newc;
+ }
+}
+
+/*******************************************************************
+trim unicode string
+********************************************************************/
+
+BOOL trim_string_w(smb_ucs2_t *s, const smb_ucs2_t *front,
+ const smb_ucs2_t *back)
+{
+ BOOL ret = False;
+ size_t len, lw, front_len, flw, back_len, blw;
+
+ if (!s || !*s) return False;
+
+ len = strlen_w(s);
+
+ if (front && *front) {
+ front_len = strlen_w(front);
+ flw = front_len * sizeof(smb_ucs2_t);
+ lw = (len + 1) * sizeof(smb_ucs2_t);
+ while (len && strncmp_w(s, front, front_len) == 0) {
+ memcpy(s, s + flw, lw - flw);
+ len -= front_len;
+ lw -= flw;
+ ret = True;
+ }
+ }
+
+ if (back && *back) {
+ back_len = strlen_w(back);
+ blw = back_len * sizeof(smb_ucs2_t);
+ lw = len * sizeof(smb_ucs2_t);
+ while (len && strncmp_w(s + lw - blw, back, back_len) == 0) {
+ s[len - back_len] = 0;
+ len -= back_len;
+ lw -= blw;
+ ret = True;
+ }
+ }
+
+ return ret;
+}
/*
The *_wa() functions take a combination of 7 bit ascii
@@ -468,22 +536,6 @@ void pstrcpy_wa(smb_ucs2_t *dest, const char *src)
}
}
-int strcmp_w(const smb_ucs2_t *a, const smb_ucs2_t *b)
-{
- while (*b && *a == *b) { a++; b++; }
- return (*a - *b);
- /* warning: if *a != *b and both are not 0 we retrun a random
- greater or lesser than 0 number not realted to which
- string is longer */
-}
-
-int strncmp_w(const smb_ucs2_t *a, const smb_ucs2_t *b, size_t len)
-{
- size_t n = 0;
- while ((n < len) && *b && *a == *b) { a++; b++; n++;}
- return (len - n)?(*a - *b):0;
-}
-
int strcmp_wa(const smb_ucs2_t *a, const char *b)
{
while (*b && *a == UCS2_CHAR(*b)) { a++; b++; }
@@ -509,6 +561,21 @@ smb_ucs2_t *strpbrk_wa(const smb_ucs2_t *s, const char *p)
return NULL;
}
+smb_ucs2_t *strstr_wa(const smb_ucs2_t *s, const char *ins)
+{
+ smb_ucs2_t *r;
+ size_t slen, inslen;
+
+ if (!s || !*s || !ins || !*ins) return NULL;
+ slen = strlen_w(s);
+ inslen = strlen(ins);
+ r = (smb_ucs2_t *)s;
+ while ((r = strchr_w(r, UCS2_CHAR(*ins)))) {
+ if (strncmp_wa(r, ins, inslen) == 0) return r;
+ r++;
+ }
+ return NULL;
+}
/*******************************************************************
copy a string with max len
@@ -519,19 +586,14 @@ smb_ucs2_t *strncpy_wa(smb_ucs2_t *dest, const char *src, const size_t max)
smb_ucs2_t *ucs2_src;
if (!dest || !src) return NULL;
- ucs2_src = (smb_ucs2_t *)malloc((strlen(src)+1)*sizeof(smb_ucs2_t));
- if (!ucs2_src) {
- DEBUG(0,("strncpy_wa: out of memory!\n"));
+ if (!(ucs2_src = acnv_uxu2(src)))
return NULL;
- }
- push_ucs2(NULL, ucs2_src, src, -1, STR_TERMINATE|STR_NOALIGN);
strncpy_w(dest, ucs2_src, max);
SAFE_FREE(ucs2_src);
return dest;
}
-
/*******************************************************************
append a string of len bytes and add a terminator
********************************************************************/
@@ -541,68 +603,25 @@ smb_ucs2_t *strncat_wa(smb_ucs2_t *dest, const char *src, const size_t max)
smb_ucs2_t *ucs2_src;
if (!dest || !src) return NULL;
- ucs2_src = (smb_ucs2_t *)malloc((strlen(src)+1)*sizeof(smb_ucs2_t));
- if (!ucs2_src) {
- DEBUG(0,("strncat_wa: out of memory!\n"));
+ if (!(ucs2_src = acnv_uxu2(src)))
return NULL;
- }
- push_ucs2(NULL, ucs2_src, src, -1, STR_TERMINATE|STR_NOALIGN);
strncat_w(dest, ucs2_src, max);
SAFE_FREE(ucs2_src);
return dest;
}
-/*******************************************************************
-replace any occurence of oldc with newc in unicode string
-********************************************************************/
-
-void string_replace_w(smb_ucs2_t *s, smb_ucs2_t oldc, smb_ucs2_t newc)
-{
- for(;*s;s++) {
- if(*s==oldc) *s=newc;
- }
-}
-
-/*******************************************************************
-trim unicode string
-********************************************************************/
-
-BOOL trim_string_w(smb_ucs2_t *s, const smb_ucs2_t *front,
- const smb_ucs2_t *back)
-{
- BOOL ret = False;
- size_t len, lw, front_len, flw, back_len, blw;
-
- if (!s || !*s) return False;
-
- len = strlen_w(s);
-
- if (front && *front) {
- front_len = strlen_w(front);
- flw = front_len * sizeof(smb_ucs2_t);
- lw = (len + 1) * sizeof(smb_ucs2_t);
- while (len && strncmp_w(s, front, front_len) == 0) {
- memcpy(s, s + flw, lw - flw);
- len -= front_len;
- lw -= flw;
- ret = True;
- }
- }
+smb_ucs2_t *strcat_wa(smb_ucs2_t *dest, const char *src)
+{
+ smb_ucs2_t *ucs2_src;
- if (back && *back) {
- back_len = strlen_w(back);
- blw = back_len * sizeof(smb_ucs2_t);
- lw = len * sizeof(smb_ucs2_t);
- while (len && strncmp_w(s + lw - blw, back, back_len) == 0) {
- s[len - back_len] = 0;
- len -= back_len;
- lw -= blw;
- ret = True;
- }
- }
-
- return ret;
+ if (!dest || !src) return NULL;
+ if (!(ucs2_src = acnv_uxu2(src)))
+ return NULL;
+
+ strcat_w(dest, ucs2_src);
+ SAFE_FREE(ucs2_src);
+ return dest;
}
BOOL trim_string_wa(smb_ucs2_t *s, const char *front,
diff --git a/source3/smbd/mangle.c b/source3/smbd/mangle.c
index aa5c49c126..44ffd155e4 100644
--- a/source3/smbd/mangle.c
+++ b/source3/smbd/mangle.c
@@ -253,7 +253,7 @@ smb_ucs2_t *mangle(const smb_ucs2_t *unmangled)
/* if it is a valid 8_3 do not mangle again */
if (NT_STATUS_IS_OK(is_8_3_w(unmangled)))
- return strdup_w(unmangled);
+ return NULL;
if (NT_STATUS_IS_ERR(mangle_get_prefix(unmangled, &umpref, &ext)))
return NULL;