-/*
- Unix SMB/Netbios implementation.
- Version 3.0
- Name mangling with persistent tdb
- Copyright (C) Simo Sorce 2001
-
+/*
+ Unix SMB/CIFS implementation.
+ Name mangling interface
+ Copyright (C) Andrew Tridgell 2002
+
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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/****************************************************************************
- Rewritten from scrach in 2001 by Simo Sorce <idra@samba.org>
- ****************************************************************************/
-
#include "includes.h"
-
-
-/* -------------------------------------------------------------------------- **
- * External Variables...
- */
-
-extern int case_default; /* Are conforming 8.3 names all upper or lower? */
-extern BOOL case_mangle; /* If true, all chars in 8.3 should be same case. */
-
-char magic_char = '~';
-
-/* -------------------------------------------------------------------- */
-
-#define MANGLE_TDB_VERSION "20010927"
-#define MANGLE_TDB_FILE_NAME "mangle.tdb"
-#define MANGLED_PREFIX "MANGLED_"
-#define LONG_PREFIX "LONG_"
-#define COUNTER_PREFIX "COUNTER_"
-#define MANGLE_COUNTER_MAX 99
-#define MANGLE_SUFFIX_SIZE 3 /* "~XX" */
-
-
-static TDB_CONTEXT *mangle_tdb;
-
-BOOL init_mangle_tdb(void)
-{
- char *tdbfile;
-
- tdbfile = lock_path(MANGLE_TDB_FILE_NAME); /* this return a static pstring do not try to free it */
-
- /* Open tdb */
- if (!(mangle_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600)))
- {
- DEBUG(0, ("Unable to open Mangle TDB\n"));
- return False;
- }
-
- return True;
-}
-
-/* trasform a unicode string into a dos charset string */
-static int ucs2_to_dos(char *dest, const smb_ucs2_t *src, int dest_len)
-{
- int src_len, ret;
-
- if (dest_len == -1) {
- dest_len = sizeof(pstring);
- }
-
- src_len = strlen_w(src)* sizeof(smb_ucs2_t);
-
- ret = convert_string(CH_UCS2, CH_DOS, src, src_len, dest, dest_len);
- if (dest_len) dest[MIN(ret, dest_len-1)] = 0;
-
- return ret;
-}
-
-/* trasform in a string that contain only valid chars for win filenames,
- not including a '.' */
-static void strvalid(smb_ucs2_t *src)
-{
- if (!src || !*src) return;
-
- while (*src) {
- if (!isvalid83_w(*src) || *src == UCS2_CHAR('.')) *src = UCS2_CHAR('_');
- src++;
- }
-}
-
-
-/* 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)
-{
- size_t ext_len;
- smb_ucs2_t *p;
-
- *extension = 0;
- *prefix = strdup_w(ucs2_string);
- if (!*prefix)
- {
- DEBUG(0,("mangle_get_prefix: out of memory!\n"));
- return NT_STATUS_NO_MEMORY;
- }
- 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 */
- {
- *p = 0;
- *extension = strdup_w(p+1);
- if (!*extension)
- {
- DEBUG(0,("mangle_get_prefix: out of memory!\n"));
- SAFE_FREE(*prefix);
- return NT_STATUS_NO_MEMORY;
- }
- }
- }
- return NT_STATUS_OK;
-}
-
-
-/* mangled must contain only the file name, not a path.
- and MUST be ZERO terminated */
-smb_ucs2_t *unmangle(const smb_ucs2_t *mangled)
+#include "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "mangle.h"
+
+/* this allows us to add more mangling backends */
+static const struct {
+ const char *name;
+ const struct mangle_fns *(*init_fn)(void);
+} mangle_backends[] = {
+ { "hash", mangle_hash_init },
+ { "hash2", mangle_hash2_init },
+ { "posix", posix_mangle_init },
+ /*{ "tdb", mangle_tdb_init }, */
+ { NULL, NULL }
+};
+
+/*
+ initialise the mangling subsystem
+*/
+static void mangle_init(void)
{
- TDB_DATA data, key;
- fstring keystr;
- fstring mufname;
- smb_ucs2_t *pref, *ext, *retstr;
- size_t long_len, ext_len, muf_len;
-
- if (strlen_w(mangled) > 12) return NULL;
- if (!strchr_w(mangled, UCS2_CHAR('~'))) return NULL;
+ int i;
+ const char *method;
- /* if it is a path refuse to proceed */
- if (strchr_w(mangled, UCS2_CHAR('/'))) {
- DEBUG(10, ("unmangle: cannot unmangle a path\n"));
- return NULL;
- }
+ if (mangle_fns)
+ return;
- if (NT_STATUS_IS_ERR(mangle_get_prefix(mangled, &pref, &ext)))
- return NULL;
+ method = lp_mangling_method(talloc_tos());
- /* mangled names are stored lowercase only */
- strlower_w(pref);
- /* set search key */
- muf_len = ucs2_to_dos(mufname, pref, sizeof(mufname));
- SAFE_FREE(pref);
- if (!muf_len) return NULL;
-
- slprintf(keystr, sizeof(keystr) - 1, "%s%s", MANGLED_PREFIX, mufname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
-
- /* get the record */
- data = tdb_fetch(mangle_tdb, key);
-
- if (!data.dptr) /* not found */
- {
- DEBUG(5,("unmangle: failed retrieve from db %s\n", tdb_errorstr(mangle_tdb)));
- retstr = NULL;
- goto done;
- }
-
- if (ext)
- {
- long_len = (data.dsize / 2) - 1;
- ext_len = strlen_w(ext);
- retstr = (smb_ucs2_t *)malloc((long_len + ext_len + 2)*sizeof(smb_ucs2_t));
- if (!retstr)
- {
- DEBUG(0, ("unamngle: out of memory!\n"));
- goto done;
+ /* find the first mangling method that manages to initialise and
+ matches the "mangling method" parameter */
+ for (i=0; mangle_backends[i].name && !mangle_fns; i++) {
+ if (!method || !*method || strcmp(method, mangle_backends[i].name) == 0) {
+ mangle_fns = mangle_backends[i].init_fn();
}
- strncpy_w(retstr, (smb_ucs2_t *)data.dptr, long_len);
- retstr[long_len] = UCS2_CHAR('.');
- retstr[long_len + 1] = 0;
- strncat_w(retstr, ext, ext_len);
}
- else
- {
- retstr = strdup_w((smb_ucs2_t *)data.dptr);
- if (!retstr)
- {
- DEBUG(0, ("unamngle: out of memory!\n"));
- goto done;
- }
+ if (!mangle_fns) {
+ DEBUG(0,("Failed to initialise mangling system '%s'\n", method));
+ exit_server("mangling init failed");
}
-
-done:
- SAFE_FREE(data.dptr);
- SAFE_FREE(pref);
- SAFE_FREE(ext);
-
- return retstr;
}
-/* unmangled must contain only the file name, not a path.
- and MUST be ZERO terminated.
- return a new allocated string if the name is yet valid 8.3
- or is mangled successfully.
- return null on error.
- */
-
-smb_ucs2_t *mangle(const smb_ucs2_t *unmangled)
-{
- TDB_DATA data, key, klock;
- pstring keystr;
- pstring longname;
- fstring keylock;
- fstring mufname;
- fstring prefix;
- BOOL tclock = False;
- char suffix[7];
- smb_ucs2_t *mangled = NULL;
- smb_ucs2_t *umpref, *ext, *p = NULL;
- size_t pref_len, ext_len, ud83_len;
-
- /* if it is a path refuse to proceed */
- if (strchr_w(unmangled, UCS2_CHAR('/'))) {
- DEBUG(10, ("mangle: cannot mangle a path\n"));
- return NULL;
- }
-
- /* if it is a valid 8_3 do not mangle again */
- if (NT_STATUS_IS_OK(is_8_3_w(unmangled)))
- return NULL;
-
- if (NT_STATUS_IS_ERR(mangle_get_prefix(unmangled, &umpref, &ext)))
- return NULL;
-
- /* test if the same is yet mangled */
-
- /* set search key */
- pull_ucs2(NULL, longname, umpref, sizeof(longname), 0, STR_TERMINATE);
- slprintf(keystr, sizeof(keystr)-1, "%s%s", LONG_PREFIX, longname);
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- /* get the record */
- data = tdb_fetch (mangle_tdb, key);
- if (!data.dptr) /* not found */
- {
- smb_ucs2_t temp[9];
- size_t c, pos;
-
- if (tdb_error(mangle_tdb) != TDB_ERR_NOEXIST)
- {
- DEBUG(0, ("mangle: database retrieval error: %s\n",
- tdb_errorstr(mangle_tdb)));
- goto done;
- }
-
- /* if not find the first free possibile mangled name */
-
- pos = strlen_w(umpref);
- if ((8 - MANGLE_SUFFIX_SIZE) < pos)
- pos = 8 - MANGLE_SUFFIX_SIZE;
- pos++;
- do
- {
- pos--;
- if (pos == 0)
- {
- DEBUG(0, ("mangle: unable to mangle file name!\n"));
- goto done;
- }
- strncpy_w(temp, umpref, pos);
- temp[pos] = 0;
- strlower_w(temp);
-
- /* convert any invalid char into '_' */
- strvalid(temp);
- ud83_len = ucs2_to_dos(prefix, temp, sizeof(prefix));
- if (!ud83_len) goto done;
- }
- while (ud83_len > 8 - MANGLE_SUFFIX_SIZE);
-
- slprintf(keylock, sizeof(keylock)-1, "%s%s", COUNTER_PREFIX, prefix);
- klock.dptr = keylock;
- klock.dsize = strlen(keylock) + 1;
-
- c = 0;
- data.dptr = (char *)&c;
- data.dsize = sizeof(uint32);
- /* try to insert a new counter prefix, if it exist the call will
- fail (correct) otherwise it will create a new entry with counter set
- to 0
- */
- if(tdb_store(mangle_tdb, klock, data, TDB_INSERT) != TDB_SUCCESS)
- {
- if (tdb_error(mangle_tdb) != TDB_ERR_EXISTS)
- {
- DEBUG(0, ("mangle: database store error: %s\n",
- tdb_errorstr(mangle_tdb)));
- goto done;
- }
- }
-
- /* lock the mangle counter for this prefix */
- if (tdb_chainlock(mangle_tdb, klock))
- {
- DEBUG(0,("mangle: failed to lock database\n!"));
- goto done;
- }
- tclock = True;
-
- data = tdb_fetch(mangle_tdb, klock);
- if (!data.dptr)
- {
- DEBUG(0, ("mangle: database retrieval error: %s\n",
- tdb_errorstr(mangle_tdb)));
- goto done;
- }
- c = *((uint32 *)data.dptr);
- c++;
-
- if (c > MANGLE_COUNTER_MAX)
- {
- DEBUG(0, ("mangle: error, counter overflow!\n"));
- goto done;
- }
-
- temp[pos] = UCS2_CHAR('~');
- temp[pos+1] = 0;
- snprintf(suffix, 7, "%.6d", c);
- strncat_wa(temp, &suffix[7 - MANGLE_SUFFIX_SIZE], MANGLE_SUFFIX_SIZE);
-
- ud83_len = ucs2_to_dos(mufname, temp, sizeof(mufname));
- if (!ud83_len) goto done;
- if (ud83_len > 8)
- {
- DEBUG(0, ("mangle: darn, logic error aborting!\n"));
- goto done;
- }
-
- /* store the long entry with mangled key */
- slprintf(keystr, sizeof(keystr)-1, "%s%s", MANGLED_PREFIX, mufname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
- data.dsize = (strlen_w(umpref) + 1) * sizeof (smb_ucs2_t);
- data.dptr = (void *)umpref;
-
- if (tdb_store(mangle_tdb, key, data, TDB_INSERT) != TDB_SUCCESS)
- {
- DEBUG(0, ("mangle: database store error: %s\n",
- tdb_errorstr(mangle_tdb)));
- goto done;
- }
-
- /* store the mangled entry with long key*/
- pull_ucs2(NULL, longname, umpref, sizeof(longname), 0, STR_TERMINATE);
- slprintf(keystr, sizeof(keystr)-1, "%s%s", LONG_PREFIX, longname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
- data.dsize = strlen(mufname) + 1;
- data.dptr = mufname;
- if (tdb_store(mangle_tdb, key, data, TDB_INSERT) != TDB_SUCCESS)
- {
- DEBUG(0, ("mangle: database store failed: %s\n",
- tdb_errorstr(mangle_tdb)));
-
- /* try to delete the mangled key entry to avoid later inconsistency */
- slprintf(keystr, sizeof(keystr)-1, "%s%s", MANGLED_PREFIX, mufname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
- if (!tdb_delete(mangle_tdb, key))
- {
- DEBUG(0, ("mangle: severe error, mangled tdb may be inconsistent!\n"));
- }
- goto done;
- }
-
- p = strdup_w(temp);
- if (!p)
- {
- DEBUG(0,("mangle: out of memory!\n"));
- goto done;
- }
-
- data.dptr = (char *)&c;
- data.dsize = sizeof(uint32);
- /* store the counter */
- if(tdb_store(mangle_tdb, klock, data, TDB_REPLACE) != TDB_SUCCESS)
- {
- DEBUG(0, ("mangle: database store failed: %s\n",
- tdb_errorstr(mangle_tdb)));
- /* try to delete the mangled and long key entry to avoid later inconsistency */
- slprintf(keystr, sizeof(keystr)-1, "%s%s", MANGLED_PREFIX, mufname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
- if (!tdb_delete(mangle_tdb, key))
- {
- DEBUG(0, ("mangle: severe error, mangled tdb may be inconsistent!\n"));
- }
- slprintf(keystr, sizeof(keystr)-1, "%s%s", LONG_PREFIX, longname);
- key.dptr = keystr;
- key.dsize = strlen (keystr) + 1;
- if (!tdb_delete(mangle_tdb, key))
- {
- DEBUG(0, ("mangle: severe error, mangled tdb may be inconsistent!\n"));
- }
- goto done;
- }
-
- tclock = False;
- tdb_chainunlock(mangle_tdb, klock);
- }
- else /* FOUND */
- {
- p = acnv_dosu2(data.dptr);
- if (!p)
- {
- DEBUG(0,("mangle: out of memory!\n"));
- goto done;
- }
- }
-
- if (ext)
- {
- pref_len = strlen_w(p);
- ext_len = strlen_w(ext);
- mangled = (smb_ucs2_t *)malloc((pref_len + ext_len + 2)*sizeof(smb_ucs2_t));
- if (!mangled)
- {
- DEBUG(0,("mangle: out of memory!\n"));
- goto done;
- }
- strncpy_w (mangled, p, pref_len);
- mangled[pref_len] = UCS2_CHAR('.');
- mangled[pref_len + 1] = 0;
- strncat_w (mangled, ext, ext_len);
- }
- else
- {
- mangled = strdup_w(p);
- if (!mangled)
- {
- DEBUG(0,("mangle: out of memory!\n"));
- goto done;
- }
- }
-
- /* mangled name are returned in upper or lower case depending on
- case_default value */
- strnorm_w(mangled);
-
-done:
- if (tclock) tdb_chainunlock(mangle_tdb, klock);
- SAFE_FREE(p);
- SAFE_FREE(umpref);
- SAFE_FREE(ext);
-
- return mangled;
-}
-
-
-/* non unicode compatibility functions */
-
-char *dos_mangle(const char *dos_unmangled)
-{
- smb_ucs2_t *in, *out;
- char *dos_mangled;
-
- if (!dos_unmangled || !*dos_unmangled) return NULL;
-
- in = acnv_dosu2(dos_unmangled);
- if (!in)
- {
- DEBUG(0,("dos_mangle: out of memory!\n"));
- return NULL;
- }
-
- out = mangle(in);
- if (!out)
- {
- SAFE_FREE(in);
- return NULL;
- }
- dos_mangled = acnv_u2dos(out);
- if (!dos_mangled)
- {
- DEBUG(0,("dos_mangle: out of memory!\n"));
- goto done;
- }
-
-done:
- SAFE_FREE(in);
- SAFE_FREE(out);
- return dos_mangled;
-}
-
-char *dos_unmangle(const char *dos_mangled)
-{
- smb_ucs2_t *in, *out;
- char *dos_unmangled;
-
- if (!dos_mangled || !*dos_mangled) return NULL;
-
- in = acnv_dosu2(dos_mangled);
- if (!in)
- {
- DEBUG(0,("dos_unmangle: out of memory!\n"));
- return NULL;
- }
-
- out = mangle(in);
- if (!out)
- {
- SAFE_FREE(in);
- return NULL;
- }
-
- dos_unmangled = acnv_u2dos(out);
- if (!dos_unmangled)
- {
- DEBUG(0,("dos_unmangle: out of memory!\n"));
- goto done;
- }
-
-done:
- SAFE_FREE(in);
- SAFE_FREE(out);
- return dos_unmangled;
-}
-
-BOOL is_8_3(const char *fname, BOOL check_case)
-{
- char *f;
- smb_ucs2_t *ucs2name;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- if (!fname || !*fname) return False;
- if ((f = strrchr(fname, '/')) == NULL) f = fname;
-
- DEBUG(10,("is_8_3: testing [%s]\n", f));
-
- if (strlen(f) > 12) return False;
-
- ucs2name = acnv_uxu2(f);
- if (!ucs2name)
- {
- DEBUG(0,("is_8_3: out of memory!\n"));
- goto done;
- }
-
- ret = is_8_3_w(ucs2name);
-
-done:
- SAFE_FREE(ucs2name);
-
- DEBUG(10,("is_8_3: returning -> %s\n", NT_STATUS_IS_OK(ret)?"True":"False"));
-
- if (NT_STATUS_IS_ERR(ret)) return False;
- else return True;
-}
-
-NTSTATUS is_8_3_w(const smb_ucs2_t *fname)
-{
- smb_ucs2_t *pref = 0, *ext = 0;
- size_t plen;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- if (!fname || !*fname) return NT_STATUS_INVALID_PARAMETER;
-
- DEBUG(10,("is_8_3_w: testing\n")); /* [%s]\n", fname)); */
-
- 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(mangle_get_prefix(fname, &pref, &ext))) 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;
-
- ret = NT_STATUS_OK;
-
-done:
- SAFE_FREE(pref);
- SAFE_FREE(ext);
- return ret;
-}
-
-NTSTATUS has_valid_chars(const smb_ucs2_t *s)
-{
- NTSTATUS ret = NT_STATUS_OK;
-
- if (!s || !*s) return NT_STATUS_INVALID_PARAMETER;
-
- DEBUG(10,("has_valid_chars: testing\n")); /* [%s]\n", s)); */
-
- /* 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;
-
- while (*s) {
- if(!isvalid83_w(*s)) return NT_STATUS_UNSUCCESSFUL;
- s++;
- }
-
- return ret;
-}
-
-NTSTATUS is_valid_name(const smb_ucs2_t *fname)
-{
- smb_ucs2_t *str, *p;
- NTSTATUS ret = NT_STATUS_OK;
-
- if (!fname || !*fname) return NT_STATUS_INVALID_PARAMETER;
-
- DEBUG(10,("is_valid_name: testing\n")); /* [%s]\n", s)); */
-
- if (*fname == UCS2_CHAR('.')) return NT_STATUS_UNSUCCESSFUL;
-
- ret = has_valid_chars(fname);
- if (NT_STATUS_IS_ERR(ret)) return ret;
-
- str = strdup_w(fname);
- p = strchr_w(str, UCS2_CHAR('.'));
- if (p) *p = 0;
- strupper_w(str);
- p = &(str[1]);
-
- switch(str[0])
- {
- case UCS2_CHAR('A'):
- if(strcmp_wa(p, "UX") == 0)
- ret = NT_STATUS_UNSUCCESSFUL;
- break;
- case UCS2_CHAR('C'):
- if((strcmp_wa(p, "LOCK$") == 0)
- || (strcmp_wa(p, "ON") == 0)
- || (strcmp_wa(p, "OM1") == 0)
- || (strcmp_wa(p, "OM2") == 0)
- || (strcmp_wa(p, "OM3") == 0)
- || (strcmp_wa(p, "OM4") == 0)
- )
- ret = NT_STATUS_UNSUCCESSFUL;
- break;
- case UCS2_CHAR('L'):
- if((strcmp_wa(p, "PT1") == 0)
- || (strcmp_wa(p, "PT2") == 0)
- || (strcmp_wa(p, "PT3") == 0)
- )
- ret = NT_STATUS_UNSUCCESSFUL;
- break;
- case UCS2_CHAR('N'):
- if(strcmp_wa(p, "UL") == 0)
- ret = NT_STATUS_UNSUCCESSFUL;
- break;
- case UCS2_CHAR('P'):
- if(strcmp_wa(p, "RN") == 0)
- ret = NT_STATUS_UNSUCCESSFUL;
- break;
- default:
- break;
- }
-
- SAFE_FREE(str);
- return ret;
-}
-
-BOOL is_mangled(const char *s)
+/*
+ reset the cache. This is called when smb.conf has been reloaded
+*/
+void mangle_reset_cache(void)
{
- smb_ucs2_t *u2, *res;
- BOOL ret = False;
-
- DEBUG(10,("is_mangled: testing [%s]\n", s));
-
- if (!s || !*s) return False;
- if ((strlen(s) > 12) || (!strchr(s, '~'))) return False;
-
- u2 = acnv_dosu2(s);
- if (!u2)
- {
- DEBUG(0,("is_mangled: out of memory!\n"));
- return ret;
- }
-
- res = unmangle(u2);
- if (res) ret = True;
- SAFE_FREE(res);
- SAFE_FREE(u2);
- DEBUG(10,("is_mangled: returning [%s]\n", ret?"True":"False"));
- return ret;
+ mangle_init();
+ mangle_fns->reset();
}
-NTSTATUS is_mangled_w(const smb_ucs2_t *s)
+void mangle_change_to_posix(void)
{
- smb_ucs2_t *res;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- res = unmangle(s);
- if (res) ret = NT_STATUS_OK;
- SAFE_FREE(res);
- return ret;
+ mangle_fns = NULL;
+ lp_set_mangling_method("posix");
+ mangle_reset_cache();
}
-NTSTATUS path_has_mangled(const smb_ucs2_t *s)
+/*
+ see if a filename has come out of our mangling code
+*/
+bool mangle_is_mangled(const char *s, const struct share_params *p)
{
- smb_ucs2_t *p, *f, *b;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- if (!s || !*s) return NT_STATUS_INVALID_PARAMETER;
-
- p = strdup_w(s);
- if (!p) return NT_STATUS_NO_MEMORY;
- trim_string_wa(p, "/", "/");
- f = b = p;
- while (b) {
- b = strchr_w(f, UCS2_CHAR('/'));
- if (b) *b = 0;
- if (NT_STATUS_IS_OK(is_mangled_w(f))) {
- ret = NT_STATUS_OK;
- goto done;
- }
- f = b + 1;
- }
-done:
- SAFE_FREE(p);
- return ret;
+ return mangle_fns->is_mangled(s, p);
}
-/* backward compatibility functions */
-
-void reset_mangled_cache(void)
+/*
+ see if a filename matches the rules of a 8.3 filename
+*/
+bool mangle_is_8_3(const char *fname, bool check_case,
+ const struct share_params *p)
{
- DEBUG(10,("reset_mangled_cache: compatibility function, remove me!\n"));
+ return mangle_fns->is_8_3(fname, check_case, False, p);
}
-BOOL check_mangled_cache(char *s)
+bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
+ const struct share_params *p)
{
- smb_ucs2_t *u2, *res;
- BOOL ret = False;
-
- DEBUG(10,("check_mangled_cache: I'm so ugly, please remove me!\n"));
- DEBUG(10,("check_mangled_cache: testing -> [%s]\n", s));
-
- if (!s || !*s) return False;
-
- u2 = acnv_dosu2(s);
- if (!u2)
- {
- DEBUG(0,("check_mangled_cache: out of memory!\n"));
- return ret;
- }
-
- res = unmangle(u2);
- if (res)
- {
-
- ucs2_to_dos (s, res, PSTRING_LEN);
- /* We MUST change this brainded interface,
- we do not know how many chars will be used
- in dos so i guess they will be no more than
- double the size of the unicode string
- ---simo */
- DEBUG(10,("check_mangled_cache: returning -> [%s]\n", s));
- ret = True;
- }
- SAFE_FREE(res);
- SAFE_FREE(u2);
- DEBUG(10,("check_mangled_cache: returning -> %s\n", ret?"True":"False"));
- return ret;
+ return mangle_fns->is_8_3(fname, check_case, True, p);
}
-void mangle_name_83(char *s)
+bool mangle_must_mangle(const char *fname,
+ const struct share_params *p)
{
- smb_ucs2_t *u2, *res;
-
- DEBUG(10,("mangle_name_83: I'm so ugly, please remove me!\n"));
- DEBUG(10,("mangle_name_83: testing -> [%s]\n", s));
-
- if (!s || !*s) return;
-
- u2 = acnv_dosu2(s);
- if (!u2)
- {
- DEBUG(0,("mangle_name_83: out of memory!\n"));
- return;
+ if (!lp_mangled_names(p)) {
+ return False;
}
-
- res = mangle(u2);
- if (res) ucs2_to_dos (s, res, 13); /* ugly, but must be done this way */
- DEBUG(10,("mangle_name_83: returning -> [%s]\n", s));
- SAFE_FREE(res);
- SAFE_FREE(u2);
+ return mangle_fns->must_mangle(fname, p);
}
-BOOL name_map_mangle(char *OutName, BOOL need83, BOOL cache83, int snum)
+/*
+ try to reverse map a 8.3 name to the original filename. This doesn't have to
+ always succeed, as the directory handling code in smbd will scan the directory
+ looking for a matching name if it doesn't. It should succeed most of the time
+ or there will be a huge performance penalty
+*/
+bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
+ const char *in,
+ char **out, /* talloced on the given context. */
+ const struct share_params *p)
{
- DEBUG(10,("name_map_mangle: I'm so ugly, please remove me!\n"));
-
- if (!need83) return True;
- /* if (is_8_3(OutName, True)) return True; */
- /* Warning: we should check for invalid chars in file name and mangle
- if invalid chars found --simo*/
-
- mangle_name_83(OutName);
- return True;
+ return mangle_fns->lookup_name_from_8_3(ctx, in, out, p);
}
+/*
+ mangle a long filename to a 8.3 name.
+ Return True if we did mangle the name (ie. out is filled in).
+ False on error.
+ JRA.
+ */
-
-#if 0 /* TEST_MANGLE_CODE */
-
-#define LONG "this_is_a_long_file_name"
-#define LONGM "this_~01"
-#define SHORT "short"
-#define SHORTM "short~01"
-#define EXT1 "ex1"
-#define EXT2 "e2"
-#define EXT3 "3"
-#define EXTFAIL "longext"
-#define EXTNULL ""
-
-static void unmangle_test (char *name, char *ext)
-{
- smb_ucs2_t ucs2_name[2048];
- smb_ucs2_t *retstr;
- pstring unix_name;
-
- push_ucs2(NULL, ucs2_name, name, sizeof(ucs2_name), STR_TERMINATE);
- if (ext)
- {
- strncat_wa(ucs2_name, ".", 1);
- strncat_wa(ucs2_name, ext, strlen(ext) + 1);
- }
- retstr = unmangle(ucs2_name);
- if(retstr) pull_ucs2(NULL, unix_name, retstr, sizeof(unix_name), 0, STR_TERMINATE);
- else unix_name[0] = 0;
- if (ext) printf ("[%s.%s] ---> [%s]\n", name, ext, unix_name);
- else printf ("[%s] ---> [%s]\n", name, unix_name);
- SAFE_FREE(retstr);
-}
-
-static void mangle_test (char *name, char *ext)
+bool name_to_8_3(const char *in,
+ char out[13],
+ bool cache83,
+ const struct share_params *p)
{
- smb_ucs2_t ucs2_name[2048];
- smb_ucs2_t *retstr;
- pstring unix_name;
+ memset(out,'\0',13);
- push_ucs2(NULL, ucs2_name, name, sizeof(ucs2_name), STR_TERMINATE);
- if (ext)
- {
- strncat_wa(ucs2_name, ".", 1);
- strncat_wa(ucs2_name, ext, strlen(ext) + 1);
+ /* name mangling can be disabled for speed, in which case
+ we just truncate the string */
+ if (!lp_mangled_names(p)) {
+ strlcpy(out, in, 13);
+ return True;
}
- retstr = mangle(ucs2_name);
- if(retstr) pull_ucs2(NULL, unix_name, retstr, sizeof(unix_name), 0, STR_TERMINATE);
- else unix_name[0] = 0;
- if (ext) printf ("[%s.%s] ---> [%s]\n", name, ext, unix_name);
- else printf ("[%s] ---> [%s]\n", name, unix_name);
- SAFE_FREE(retstr);
-}
-
-void mangle_test_code(void)
-{
- init_mangle_tdb();
-
- /* unmangle every */
- printf("Unmangle test 1:\n");
-
- unmangle_test (LONG, NULL);
- unmangle_test (LONG, EXT1);
- unmangle_test (LONG, EXT2);
- unmangle_test (LONG, EXT3);
- unmangle_test (LONG, EXTFAIL);
- unmangle_test (LONG, EXTNULL);
- unmangle_test (LONGM, NULL);
- unmangle_test (LONGM, EXT1);
- unmangle_test (LONGM, EXT2);
- unmangle_test (LONGM, EXT3);
- unmangle_test (LONGM, EXTFAIL);
- unmangle_test (LONGM, EXTNULL);
-
- unmangle_test (SHORT, NULL);
- unmangle_test (SHORT, EXT1);
- unmangle_test (SHORT, EXT2);
- unmangle_test (SHORT, EXT3);
- unmangle_test (SHORT, EXTFAIL);
- unmangle_test (SHORT, EXTNULL);
-
- unmangle_test (SHORTM, NULL);
- unmangle_test (SHORTM, EXT1);
- unmangle_test (SHORTM, EXT2);
- unmangle_test (SHORTM, EXT3);
- unmangle_test (SHORTM, EXTFAIL);
- unmangle_test (SHORTM, EXTNULL);
-
- /* mangle every */
- printf("Mangle test\n");
-
- mangle_test (LONG, NULL);
- mangle_test (LONG, EXT1);
- mangle_test (LONG, EXT2);
- mangle_test (LONG, EXT3);
- mangle_test (LONG, EXTFAIL);
- mangle_test (LONG, EXTNULL);
-
- mangle_test (LONGM, NULL);
- mangle_test (LONGM, EXT1);
- mangle_test (LONGM, EXT2);
- mangle_test (LONGM, EXT3);
- mangle_test (LONGM, EXTFAIL);
- mangle_test (LONGM, EXTNULL);
-
- mangle_test (SHORT, NULL);
- mangle_test (SHORT, EXT1);
- mangle_test (SHORT, EXT2);
- mangle_test (SHORT, EXT3);
- mangle_test (SHORT, EXTFAIL);
- mangle_test (SHORT, EXTNULL);
-
- mangle_test (SHORTM, NULL);
- mangle_test (SHORTM, EXT1);
- mangle_test (SHORTM, EXT2);
- mangle_test (SHORTM, EXT3);
- mangle_test (SHORTM, EXTFAIL);
- mangle_test (SHORTM, EXTNULL);
-
- /* unmangle again every */
- printf("Unmangle test 2:\n");
-
- unmangle_test (LONG, NULL);
- unmangle_test (LONG, EXT1);
- unmangle_test (LONG, EXT2);
- unmangle_test (LONG, EXT3);
- unmangle_test (LONG, EXTFAIL);
- unmangle_test (LONG, EXTNULL);
-
- unmangle_test (LONGM, NULL);
- unmangle_test (LONGM, EXT1);
- unmangle_test (LONGM, EXT2);
- unmangle_test (LONGM, EXT3);
- unmangle_test (LONGM, EXTFAIL);
- unmangle_test (LONGM, EXTNULL);
-
- unmangle_test (SHORT, NULL);
- unmangle_test (SHORT, EXT1);
- unmangle_test (SHORT, EXT2);
- unmangle_test (SHORT, EXT3);
- unmangle_test (SHORT, EXTFAIL);
- unmangle_test (SHORT, EXTNULL);
-
- unmangle_test (SHORTM, NULL);
- unmangle_test (SHORTM, EXT1);
- unmangle_test (SHORTM, EXT2);
- unmangle_test (SHORTM, EXT3);
- unmangle_test (SHORTM, EXTFAIL);
- unmangle_test (SHORTM, EXTNULL);
+ return mangle_fns->name_to_8_3(in,
+ out,
+ cache83,
+ lp_default_case(p->service),
+ p);
}
-
-#endif /* TEST_MANGLE_CODE */