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Diffstat (limited to 'source3/smbd/mangle_hash.c')
-rw-r--r--source3/smbd/mangle_hash.c515
1 files changed, 253 insertions, 262 deletions
diff --git a/source3/smbd/mangle_hash.c b/source3/smbd/mangle_hash.c
index 25f0c4dcc9..1d4697474c 100644
--- a/source3/smbd/mangle_hash.c
+++ b/source3/smbd/mangle_hash.c
@@ -139,16 +139,19 @@ extern BOOL case_mangle; /* If true, all chars in 8.3 should be same case. */
/* -------------------------------------------------------------------- */
-static NTSTATUS has_valid_chars(const smb_ucs2_t *s)
+static NTSTATUS has_valid_chars(const smb_ucs2_t *s, BOOL allow_wildcards)
{
- if (!s || !*s) return NT_STATUS_INVALID_PARAMETER;
+ if (!s || !*s)
+ return NT_STATUS_INVALID_PARAMETER;
/* CHECK: this should not be necessary if the ms wild chars
are not valid in valid.dat --- simo */
- if (ms_has_wild_w(s)) return NT_STATUS_UNSUCCESSFUL;
+ if (!allow_wildcards && ms_has_wild_w(s))
+ return NT_STATUS_UNSUCCESSFUL;
while (*s) {
- if(!isvalid83_w(*s)) return NT_STATUS_UNSUCCESSFUL;
+ if(!isvalid83_w(*s))
+ return NT_STATUS_UNSUCCESSFUL;
s++;
}
@@ -158,7 +161,9 @@ static NTSTATUS has_valid_chars(const smb_ucs2_t *s)
/* return False if something fail and
* return 2 alloced unicode strings that contain prefix and extension
*/
-static NTSTATUS mangle_get_prefix(const smb_ucs2_t *ucs2_string, smb_ucs2_t **prefix, smb_ucs2_t **extension)
+
+static NTSTATUS mangle_get_prefix(const smb_ucs2_t *ucs2_string, smb_ucs2_t **prefix,
+ smb_ucs2_t **extension, BOOL allow_wildcards)
{
size_t ext_len;
smb_ucs2_t *p;
@@ -168,12 +173,10 @@ static NTSTATUS mangle_get_prefix(const smb_ucs2_t *ucs2_string, smb_ucs2_t **pr
if (!*prefix) {
return NT_STATUS_NO_MEMORY;
}
- if ((p = strrchr_w(*prefix, UCS2_CHAR('.'))))
- {
+ if ((p = strrchr_w(*prefix, UCS2_CHAR('.')))) {
ext_len = strlen_w(p+1);
if ((ext_len > 0) && (ext_len < 4) && (p != *prefix) &&
- (NT_STATUS_IS_OK(has_valid_chars(p+1)))) /* check extension */
- {
+ (NT_STATUS_IS_OK(has_valid_chars(p+1,allow_wildcards)))) /* check extension */ {
*p = 0;
*extension = strdup_w(p+1);
if (!*extension) {
@@ -196,12 +199,14 @@ static NTSTATUS mangle_get_prefix(const smb_ucs2_t *ucs2_string, smb_ucs2_t **pr
*
* ************************************************************************** **
*/
-static NTSTATUS is_valid_name(const smb_ucs2_t *fname)
+
+static NTSTATUS is_valid_name(const smb_ucs2_t *fname, BOOL allow_wildcards)
{
smb_ucs2_t *str, *p;
NTSTATUS ret = NT_STATUS_OK;
- if (!fname || !*fname) return NT_STATUS_INVALID_PARAMETER;
+ if (!fname || !*fname)
+ return NT_STATUS_INVALID_PARAMETER;
/* . and .. are valid names. */
if (strcmp_wa(fname, ".")==0 || strcmp_wa(fname, "..")==0)
@@ -211,8 +216,9 @@ static NTSTATUS is_valid_name(const smb_ucs2_t *fname)
if (*fname == UCS2_CHAR('.'))
return NT_STATUS_UNSUCCESSFUL;
- ret = has_valid_chars(fname);
- if (NT_STATUS_IS_ERR(ret)) return ret;
+ ret = has_valid_chars(fname, allow_wildcards);
+ if (NT_STATUS_IS_ERR(ret))
+ return ret;
str = strdup_w(fname);
p = strchr_w(str, UCS2_CHAR('.'));
@@ -264,27 +270,34 @@ static NTSTATUS is_valid_name(const smb_ucs2_t *fname)
return ret;
}
-static NTSTATUS is_8_3_w(const smb_ucs2_t *fname)
+static NTSTATUS is_8_3_w(const smb_ucs2_t *fname, BOOL allow_wildcards)
{
smb_ucs2_t *pref = 0, *ext = 0;
size_t plen;
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
- if (!fname || !*fname) return NT_STATUS_INVALID_PARAMETER;
+ if (!fname || !*fname)
+ return NT_STATUS_INVALID_PARAMETER;
- if (strlen_w(fname) > 12) return NT_STATUS_UNSUCCESSFUL;
+ if (strlen_w(fname) > 12)
+ return NT_STATUS_UNSUCCESSFUL;
if (strcmp_wa(fname, ".") == 0 || strcmp_wa(fname, "..") == 0)
return NT_STATUS_OK;
- if (NT_STATUS_IS_ERR(is_valid_name(fname))) goto done;
+ if (NT_STATUS_IS_ERR(is_valid_name(fname, allow_wildcards)))
+ goto done;
- if (NT_STATUS_IS_ERR(mangle_get_prefix(fname, &pref, &ext))) goto done;
+ if (NT_STATUS_IS_ERR(mangle_get_prefix(fname, &pref, &ext, allow_wildcards)))
+ goto done;
plen = strlen_w(pref);
- if (strchr_wa(pref, '.')) goto done;
- if (plen < 1 || plen > 8) goto done;
- if (ext) if (strlen_w(ext) > 3) goto done;
+ if (strchr_wa(pref, '.'))
+ goto done;
+ if (plen < 1 || plen > 8)
+ goto done;
+ if (ext && (strlen_w(ext) > 3))
+ goto done;
ret = NT_STATUS_OK;
@@ -294,26 +307,29 @@ done:
return ret;
}
-static BOOL is_8_3(const char *fname, BOOL check_case)
+static BOOL is_8_3(const char *fname, BOOL check_case, BOOL allow_wildcards)
{
const char *f;
smb_ucs2_t *ucs2name;
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
- if (!fname || !*fname) return False;
- if ((f = strrchr(fname, '/')) == NULL) f = fname;
- else f++;
+ if (!fname || !*fname)
+ return False;
+ if ((f = strrchr(fname, '/')) == NULL)
+ f = fname;
+ else
+ f++;
- if (strlen(f) > 12) return False;
+ if (strlen(f) > 12)
+ return False;
ucs2name = acnv_uxu2(f);
- if (!ucs2name)
- {
+ if (!ucs2name) {
DEBUG(0,("is_8_3: internal error acnv_uxu2() failed!\n"));
goto done;
}
- ret = is_8_3_w(ucs2name);
+ ret = is_8_3_w(ucs2name, allow_wildcards);
done:
SAFE_FREE(ucs2name);
@@ -344,21 +360,20 @@ done:
* ************************************************************************** **
*/
static void init_chartest( void )
- {
- char *illegalchars = "*\\/?<>|\":";
- unsigned char *s;
+{
+ char *illegalchars = "*\\/?<>|\":";
+ unsigned char *s;
- memset( (char *)chartest, '\0', 256 );
+ memset( (char *)chartest, '\0', 256 );
- for( s = (unsigned char *)illegalchars; *s; s++ )
- chartest[*s] = ILLEGAL_MASK;
+ for( s = (unsigned char *)illegalchars; *s; s++ )
+ chartest[*s] = ILLEGAL_MASK;
- for( s = (unsigned char *)basechars; *s; s++ )
- chartest[*s] |= BASECHAR_MASK;
-
- ct_initialized = True;
- } /* init_chartest */
+ for( s = (unsigned char *)basechars; *s; s++ )
+ chartest[*s] |= BASECHAR_MASK;
+ ct_initialized = True;
+}
/* ************************************************************************** **
* Return True if the name *could be* a mangled name.
@@ -378,24 +393,22 @@ static void init_chartest( void )
* ************************************************************************** **
*/
static BOOL is_mangled(const char *s)
- {
- char *magic;
-
- if( !ct_initialized )
- init_chartest();
-
- magic = strchr_m( s, magic_char );
- while( magic && magic[1] && magic[2] ) /* 3 chars, 1st is magic. */
- {
- if( ('.' == magic[3] || '/' == magic[3] || !(magic[3])) /* Ends with '.' or nul or '/' ? */
- && isbasechar( toupper(magic[1]) ) /* is 2nd char basechar? */
- && isbasechar( toupper(magic[2]) ) ) /* is 3rd char basechar? */
- return( True ); /* If all above, then true, */
- magic = strchr_m( magic+1, magic_char ); /* else seek next magic. */
- }
- return( False );
- } /* is_mangled */
-
+{
+ char *magic;
+
+ if( !ct_initialized )
+ init_chartest();
+
+ magic = strchr_m( s, magic_char );
+ while( magic && magic[1] && magic[2] ) { /* 3 chars, 1st is magic. */
+ if( ('.' == magic[3] || '/' == magic[3] || !(magic[3])) /* Ends with '.' or nul or '/' ? */
+ && isbasechar( toupper(magic[1]) ) /* is 2nd char basechar? */
+ && isbasechar( toupper(magic[2]) ) ) /* is 3rd char basechar? */
+ return( True ); /* If all above, then true, */
+ magic = strchr_m( magic+1, magic_char ); /* else seek next magic. */
+ }
+ return( False );
+}
/* ************************************************************************** **
* Compare two cache keys and return a value indicating their ordinal
@@ -417,12 +430,12 @@ static BOOL is_mangled(const char *s)
* ************************************************************************** **
*/
static signed int cache_compare( ubi_btItemPtr ItemPtr, ubi_btNodePtr NodePtr )
- {
- char *Key1 = (char *)ItemPtr;
- char *Key2 = (char *)(((ubi_cacheEntryPtr)NodePtr) + 1);
+{
+ char *Key1 = (char *)ItemPtr;
+ char *Key2 = (char *)(((ubi_cacheEntryPtr)NodePtr) + 1);
- return( StrCaseCmp( Key1, Key2 ) );
- } /* cache_compare */
+ return( StrCaseCmp( Key1, Key2 ) );
+}
/* ************************************************************************** **
* Free a cache entry.
@@ -438,10 +451,10 @@ static signed int cache_compare( ubi_btItemPtr ItemPtr, ubi_btNodePtr NodePtr )
* ************************************************************************** **
*/
static void cache_free_entry( ubi_trNodePtr WarrenZevon )
- {
- ZERO_STRUCTP(WarrenZevon);
- SAFE_FREE( WarrenZevon );
- } /* cache_free_entry */
+{
+ ZERO_STRUCTP(WarrenZevon);
+ SAFE_FREE( WarrenZevon );
+}
/* ************************************************************************** **
* Initializes or clears the mangled cache.
@@ -459,28 +472,25 @@ static void cache_free_entry( ubi_trNodePtr WarrenZevon )
*
* ************************************************************************** **
*/
+
static void mangle_reset( void )
- {
- if( !mc_initialized )
- {
- (void)ubi_cacheInit( mangled_cache,
- cache_compare,
- cache_free_entry,
- MANGLED_CACHE_MAX_ENTRIES,
- MANGLED_CACHE_MAX_MEMORY );
- mc_initialized = True;
- }
- else
- {
- (void)ubi_cacheClear( mangled_cache );
- }
-
- /*
- (void)ubi_cacheSetMaxEntries( mangled_cache, lp_mangled_cache_entries() );
- (void)ubi_cacheSetMaxMemory( mangled_cache, lp_mangled_cache_memory() );
- */
- } /* reset_mangled_cache */
+{
+ if( !mc_initialized ) {
+ (void)ubi_cacheInit( mangled_cache,
+ cache_compare,
+ cache_free_entry,
+ MANGLED_CACHE_MAX_ENTRIES,
+ MANGLED_CACHE_MAX_MEMORY );
+ mc_initialized = True;
+ } else {
+ (void)ubi_cacheClear( mangled_cache );
+ }
+ /*
+ (void)ubi_cacheSetMaxEntries( mangled_cache, lp_mangled_cache_entries() );
+ (void)ubi_cacheSetMaxMemory( mangled_cache, lp_mangled_cache_memory() );
+ */
+}
/* ************************************************************************** **
* Add a mangled name into the cache.
@@ -507,51 +517,49 @@ static void mangle_reset( void )
* ************************************************************************** **
*/
static void cache_mangled_name( char *mangled_name, char *raw_name )
- {
- ubi_cacheEntryPtr new_entry;
- char *s1;
- char *s2;
- size_t mangled_len;
- size_t raw_len;
- size_t i;
-
- /* If the cache isn't initialized, give up. */
- if( !mc_initialized )
- return;
-
- /* Init the string lengths. */
- mangled_len = strlen( mangled_name );
- raw_len = strlen( raw_name );
-
- /* See if the extensions are unmangled. If so, store the entry
- * without the extension, thus creating a "group" reverse map.
- */
- s1 = strrchr( mangled_name, '.' );
- if( s1 && (s2 = strrchr( raw_name, '.' )) )
- {
- i = 1;
- while( s1[i] && (tolower( s1[i] ) == s2[i]) )
- i++;
- if( !s1[i] && !s2[i] )
- {
- mangled_len -= i;
- raw_len -= i;
- }
- }
-
- /* Allocate a new cache entry. If the allocation fails, just return. */
- i = sizeof( ubi_cacheEntry ) + mangled_len + raw_len + 2;
- new_entry = malloc( i );
- if( !new_entry )
- return;
-
- /* Fill the new cache entry, and add it to the cache. */
- s1 = (char *)(new_entry + 1);
- s2 = (char *)&(s1[mangled_len + 1]);
- (void)StrnCpy( s1, mangled_name, mangled_len );
- (void)StrnCpy( s2, raw_name, raw_len );
- ubi_cachePut( mangled_cache, i, new_entry, s1 );
- } /* cache_mangled_name */
+{
+ ubi_cacheEntryPtr new_entry;
+ char *s1;
+ char *s2;
+ size_t mangled_len;
+ size_t raw_len;
+ size_t i;
+
+ /* If the cache isn't initialized, give up. */
+ if( !mc_initialized )
+ return;
+
+ /* Init the string lengths. */
+ mangled_len = strlen( mangled_name );
+ raw_len = strlen( raw_name );
+
+ /* See if the extensions are unmangled. If so, store the entry
+ * without the extension, thus creating a "group" reverse map.
+ */
+ s1 = strrchr( mangled_name, '.' );
+ if( s1 && (s2 = strrchr( raw_name, '.' )) ) {
+ i = 1;
+ while( s1[i] && (tolower( s1[i] ) == s2[i]) )
+ i++;
+ if( !s1[i] && !s2[i] ) {
+ mangled_len -= i;
+ raw_len -= i;
+ }
+ }
+
+ /* Allocate a new cache entry. If the allocation fails, just return. */
+ i = sizeof( ubi_cacheEntry ) + mangled_len + raw_len + 2;
+ new_entry = malloc( i );
+ if( !new_entry )
+ return;
+
+ /* Fill the new cache entry, and add it to the cache. */
+ s1 = (char *)(new_entry + 1);
+ s2 = (char *)&(s1[mangled_len + 1]);
+ (void)StrnCpy( s1, mangled_name, mangled_len );
+ (void)StrnCpy( s2, raw_name, raw_len );
+ ubi_cachePut( mangled_cache, i, new_entry, s1 );
+}
/* ************************************************************************** **
* Check for a name on the mangled name stack
@@ -570,63 +578,57 @@ static void cache_mangled_name( char *mangled_name, char *raw_name )
static BOOL check_cache( char *s )
{
- ubi_cacheEntryPtr FoundPtr;
- char *ext_start = NULL;
- char *found_name;
- char *saved_ext = NULL;
-
- /* If the cache isn't initialized, give up. */
- if( !mc_initialized )
- return( False );
-
- FoundPtr = ubi_cacheGet( mangled_cache, (ubi_trItemPtr)s );
-
- /* If we didn't find the name *with* the extension, try without. */
- if( !FoundPtr )
- {
- ext_start = strrchr( s, '.' );
- if( ext_start )
- {
- if((saved_ext = strdup(ext_start)) == NULL)
- return False;
-
- *ext_start = '\0';
- FoundPtr = ubi_cacheGet( mangled_cache, (ubi_trItemPtr)s );
- /*
- * At this point s is the name without the
- * extension. We re-add the extension if saved_ext
- * is not null, before freeing saved_ext.
- */
- }
- }
-
- /* Okay, if we haven't found it we're done. */
- if( !FoundPtr )
- {
- if(saved_ext)
- {
- /* Replace the saved_ext as it was truncated. */
- (void)pstrcat( s, saved_ext );
- SAFE_FREE(saved_ext);
- }
- return( False );
- }
-
- /* If we *did* find it, we need to copy it into the string buffer. */
- found_name = (char *)(FoundPtr + 1);
- found_name += (strlen( found_name ) + 1);
-
- (void)pstrcpy( s, found_name );
- if( saved_ext )
- {
- /* Replace the saved_ext as it was truncated. */
- (void)pstrcat( s, saved_ext );
- SAFE_FREE(saved_ext);
- }
-
- return( True );
-} /* check_mangled_cache */
+ ubi_cacheEntryPtr FoundPtr;
+ char *ext_start = NULL;
+ char *found_name;
+ char *saved_ext = NULL;
+
+ /* If the cache isn't initialized, give up. */
+ if( !mc_initialized )
+ return( False );
+
+ FoundPtr = ubi_cacheGet( mangled_cache, (ubi_trItemPtr)s );
+
+ /* If we didn't find the name *with* the extension, try without. */
+ if( !FoundPtr ) {
+ ext_start = strrchr( s, '.' );
+ if( ext_start ) {
+ if((saved_ext = strdup(ext_start)) == NULL)
+ return False;
+
+ *ext_start = '\0';
+ FoundPtr = ubi_cacheGet( mangled_cache, (ubi_trItemPtr)s );
+ /*
+ * At this point s is the name without the
+ * extension. We re-add the extension if saved_ext
+ * is not null, before freeing saved_ext.
+ */
+ }
+ }
+
+ /* Okay, if we haven't found it we're done. */
+ if( !FoundPtr ) {
+ if(saved_ext) {
+ /* Replace the saved_ext as it was truncated. */
+ (void)pstrcat( s, saved_ext );
+ SAFE_FREE(saved_ext);
+ }
+ return( False );
+ }
+
+ /* If we *did* find it, we need to copy it into the string buffer. */
+ found_name = (char *)(FoundPtr + 1);
+ found_name += (strlen( found_name ) + 1);
+
+ (void)pstrcpy( s, found_name );
+ if( saved_ext ) {
+ /* Replace the saved_ext as it was truncated. */
+ (void)pstrcat( s, saved_ext );
+ SAFE_FREE(saved_ext);
+ }
+ return( True );
+}
/*****************************************************************************
* do the actual mangling to 8.3 format
@@ -634,77 +636,67 @@ static BOOL check_cache( char *s )
*****************************************************************************
*/
static void to_8_3(char *s)
- {
- int csum;
- char *p;
- char extension[4];
- char base[9];
- int baselen = 0;
- int extlen = 0;
-
- extension[0] = 0;
- base[0] = 0;
-
- p = strrchr(s,'.');
- if( p && (strlen(p+1) < (size_t)4) )
- {
- BOOL all_normal = ( strisnormal(p+1) ); /* XXXXXXXXX */
-
- if( all_normal && p[1] != 0 )
- {
- *p = 0;
- csum = str_checksum( s );
- *p = '.';
- }
- else
- csum = str_checksum(s);
- }
- else
- csum = str_checksum(s);
-
- strupper( s );
-
- if( p )
- {
- if( p == s )
- safe_strcpy( extension, "___", 3 );
- else
- {
- *p++ = 0;
- while( *p && extlen < 3 )
- {
- if ( *p != '.') {
- extension[extlen++] = p[0];
- }
- p++;
- }
- extension[extlen] = 0;
- }
- }
-
- p = s;
-
- while( *p && baselen < 5 )
- {
- if (*p != '.') {
- base[baselen++] = p[0];
- }
- p++;
- }
- base[baselen] = 0;
+{
+ int csum;
+ char *p;
+ char extension[4];
+ char base[9];
+ int baselen = 0;
+ int extlen = 0;
+
+ extension[0] = 0;
+ base[0] = 0;
+
+ p = strrchr(s,'.');
+ if( p && (strlen(p+1) < (size_t)4) ) {
+ BOOL all_normal = ( strisnormal(p+1) ); /* XXXXXXXXX */
+
+ if( all_normal && p[1] != 0 ) {
+ *p = 0;
+ csum = str_checksum( s );
+ *p = '.';
+ } else
+ csum = str_checksum(s);
+ } else
+ csum = str_checksum(s);
+
+ strupper( s );
+
+ if( p ) {
+ if( p == s )
+ safe_strcpy( extension, "___", 3 );
+ else {
+ *p++ = 0;
+ while( *p && extlen < 3 ) {
+ if ( *p != '.') {
+ extension[extlen++] = p[0];
+ }
+ p++;
+ }
+ extension[extlen] = 0;
+ }
+ }
- csum = csum % (MANGLE_BASE*MANGLE_BASE);
+ p = s;
+
+ while( *p && baselen < 5 ) {
+ if (*p != '.') {
+ base[baselen++] = p[0];
+ }
+ p++;
+ }
+ base[baselen] = 0;
- (void)slprintf(s, 12, "%s%c%c%c",
- base, magic_char, mangle( csum/MANGLE_BASE ), mangle( csum ) );
+ csum = csum % (MANGLE_BASE*MANGLE_BASE);
- if( *extension )
- {
- (void)pstrcat( s, "." );
- (void)pstrcat( s, extension );
- }
+ (void)slprintf(s, 12, "%s%c%c%c",
+ base, magic_char, mangle( csum/MANGLE_BASE ), mangle( csum ) );
- } /* mangle_name_83 */
+ if( *extension ) {
+ (void)pstrcat( s, "." );
+ (void)pstrcat( s, extension );
+ }
+}
/*****************************************************************************
* Convert a filename to DOS format. Return True if successful.
@@ -731,7 +723,8 @@ static void to_8_3(char *s)
*
* ****************************************************************************
*/
-static BOOL name_map(char *OutName, BOOL need83, BOOL cache83)
+
+static void name_map(char *OutName, BOOL need83, BOOL cache83)
{
smb_ucs2_t *OutName_ucs2;
DEBUG(5,("name_map( %s, need83 = %s, cache83 = %s)\n", OutName,
@@ -739,14 +732,14 @@ static BOOL name_map(char *OutName, BOOL need83, BOOL cache83)
if (push_ucs2_allocate((void **)&OutName_ucs2, OutName) < 0) {
DEBUG(0, ("push_ucs2_allocate failed!\n"));
- return False;
+ return;
}
- if( !need83 && NT_STATUS_IS_ERR(is_valid_name(OutName_ucs2)))
+ if( !need83 && NT_STATUS_IS_ERR(is_valid_name(OutName_ucs2, False)))
need83 = True;
/* check if it's already in 8.3 format */
- if (need83 && !NT_STATUS_IS_OK(is_8_3_w(OutName_ucs2))) {
+ if (need83 && !NT_STATUS_IS_OK(is_8_3_w(OutName_ucs2, False))) {
char *tmp = NULL;
/* mangle it into 8.3 */
@@ -763,9 +756,7 @@ static BOOL name_map(char *OutName, BOOL need83, BOOL cache83)
DEBUG(5,("name_map() ==> [%s]\n", OutName));
SAFE_FREE(OutName_ucs2);
- return(True);
-} /* name_map */
-
+}
/*
the following provides the abstraction layer to make it easier