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-rw-r--r--source3/smbd/filename.c159
1 files changed, 96 insertions, 63 deletions
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index 25ade52947..5f9563b83c 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -1,21 +1,21 @@
-/*
+/*
Unix SMB/CIFS implementation.
filename handling routines
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Jeremy Allison 1999-2004
Copyright (C) Ying Chen 2000
Copyright (C) Volker Lendecke 2007
-
+
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 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, see <http://www.gnu.org/licenses/>.
*/
@@ -33,11 +33,12 @@ static BOOL scan_directory(connection_struct *conn, const char *path,
Mangle the 2nd name and check if it is then equal to the first name.
****************************************************************************/
-static BOOL mangled_equal(const char *name1, const char *name2,
- const struct share_params *p)
+static BOOL mangled_equal(const char *name1,
+ const char *name2,
+ const struct share_params *p)
{
pstring tmpname;
-
+
pstrcpy(tmpname, name2);
mangle_map(tmpname, True, False, p);
return strequal(name1, tmpname);
@@ -47,7 +48,8 @@ static BOOL mangled_equal(const char *name1, const char *name2,
Cope with the differing wildcard and non-wildcard error cases.
****************************************************************************/
-static NTSTATUS determine_path_error(const char *name, BOOL allow_wcard_last_component)
+static NTSTATUS determine_path_error(const char *name,
+ BOOL allow_wcard_last_component)
{
const char *p;
@@ -74,7 +76,7 @@ static NTSTATUS determine_path_error(const char *name, BOOL allow_wcard_last_com
return NT_STATUS_OBJECT_PATH_NOT_FOUND;
}
}
-
+
/****************************************************************************
This routine is called to convert names from the dos namespace to unix
namespace. It needs to handle any case conversions, mangling, format
@@ -83,8 +85,8 @@ changes etc.
We assume that we have already done a chdir() to the right "root" directory
for this service.
-The function will return an NTSTATUS error if some part of the name except for the last
-part cannot be resolved, else NT_STATUS_OK.
+The function will return an NTSTATUS error if some part of the name except for
+the last part cannot be resolved, else NT_STATUS_OK.
Note NT_STATUS_OK doesn't mean the name exists or is valid, just that we didn't
get any fatal errors that should immediately terminate the calling
@@ -133,7 +135,8 @@ NTSTATUS unix_convert(connection_struct *conn,
DEBUG(5, ("unix_convert called on file \"%s\"\n", orig_path));
/*
- * Conversion to basic unix format is already done in check_path_syntax().
+ * Conversion to basic unix format is already done in
+ * check_path_syntax().
*/
/*
@@ -164,7 +167,8 @@ NTSTATUS unix_convert(connection_struct *conn,
goto done;
}
- if (orig_path[0] == '.' && (orig_path[1] == '/' || orig_path[1] == '\0')) {
+ if (orig_path[0] == '.' && (orig_path[1] == '/' ||
+ orig_path[1] == '\0')) {
/* Start of pathname can't be "." only. */
if (orig_path[1] == '\0' || orig_path[2] == '\0') {
result = NT_STATUS_OBJECT_NAME_INVALID;
@@ -202,7 +206,8 @@ NTSTATUS unix_convert(connection_struct *conn,
* the man page. Thanks to jht@samba.org for finding this. JRA.
*/
- if (conn->case_sensitive && !conn->case_preserve && !conn->short_case_preserve) {
+ if (conn->case_sensitive && !conn->case_preserve &&
+ !conn->short_case_preserve) {
strnorm(name, lp_defaultcase(SNUM(conn)));
}
@@ -250,7 +255,8 @@ NTSTATUS unix_convert(connection_struct *conn,
goto done;
}
- DEBUG(5,("unix_convert begin: name = %s, dirpath = %s, start = %s\n", name, dirpath, start));
+ DEBUG(5,("unix_convert begin: name = %s, dirpath = %s, start = %s\n",
+ name, dirpath, start));
/*
* A special case - if we don't have any mangling chars and are case
@@ -286,7 +292,8 @@ NTSTATUS unix_convert(connection_struct *conn,
/*
* Pinpoint the end of this section of the filename.
*/
- end = strchr(start, '/'); /* mb safe. '/' can't be in any encoded char. */
+ /* mb safe. '/' can't be in any encoded char. */
+ end = strchr(start, '/');
/*
* Chop the name at this point.
@@ -335,20 +342,22 @@ NTSTATUS unix_convert(connection_struct *conn,
if (SMB_VFS_STAT(conn,name, &st) == 0) {
/*
- * It exists. it must either be a directory or this must be
- * the last part of the path for it to be OK.
+ * It exists. it must either be a directory or this must
+ * be the last part of the path for it to be OK.
*/
if (end && !(st.st_mode & S_IFDIR)) {
/*
- * An intermediate part of the name isn't a directory.
+ * An intermediate part of the name isn't
+ * a directory.
*/
DEBUG(5,("Not a dir %s\n",start));
*end = '/';
/*
- * We need to return the fact that the intermediate
- * name resolution failed. This is used to return an
- * error of ERRbadpath rather than ERRbadfile. Some
- * Windows applications depend on the difference between
+ * We need to return the fact that the
+ * intermediate name resolution failed. This
+ * is used to return an error of ERRbadpath
+ * rather than ERRbadfile. Some Windows
+ * applications depend on the difference between
* these two errors.
*/
result = NT_STATUS_OBJECT_PATH_NOT_FOUND;
@@ -357,9 +366,9 @@ NTSTATUS unix_convert(connection_struct *conn,
if (!end) {
/*
- * We just scanned for, and found the end of the path.
- * We must return the valid stat struct.
- * JRA.
+ * We just scanned for, and found the end of
+ * the path. We must return the valid stat
+ * struct. JRA.
*/
*pst = st;
@@ -371,30 +380,38 @@ NTSTATUS unix_convert(connection_struct *conn,
/* Stat failed - ensure we don't use it. */
SET_STAT_INVALID(st);
- /* Reset errno so we can detect directory open errors. */
+ /*
+ * Reset errno so we can detect
+ * directory open errors.
+ */
errno = 0;
/*
* Try to find this part of the path in the directory.
*/
- if (name_has_wildcard ||
- !scan_directory(conn, dirpath, start, &found_name)) {
+ if (name_has_wildcard ||
+ !scan_directory(conn, dirpath,
+ start, &found_name)) {
char *unmangled;
if (end) {
/*
- * An intermediate part of the name can't be found.
+ * An intermediate part of the name
+ * can't be found.
*/
- DEBUG(5,("Intermediate not found %s\n",start));
+ DEBUG(5,("Intermediate not found %s\n",
+ start));
*end = '/';
/*
- * We need to return the fact that the intermediate
- * name resolution failed. This is used to return an
- * error of ERRbadpath rather than ERRbadfile. Some
- * Windows applications depend on the difference between
- * these two errors.
+ * We need to return the fact that the
+ * intermediate name resolution failed.
+ * This is used to return an error of
+ * ERRbadpath rather than ERRbadfile.
+ * Some Windows applications depend on
+ * the difference between these two
+ * errors.
*/
/*
@@ -406,10 +423,12 @@ NTSTATUS unix_convert(connection_struct *conn,
if (errno == ENOENT ||
errno == ENOTDIR ||
errno == ELOOP) {
- result = NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ result =
+ NT_STATUS_OBJECT_PATH_NOT_FOUND;
}
else {
- result = map_nt_error_from_unix(errno);
+ result =
+ map_nt_error_from_unix(errno);
}
goto fail;
}
@@ -423,10 +442,12 @@ NTSTATUS unix_convert(connection_struct *conn,
*/
if (errno == ENOTDIR ||
errno == ELOOP) {
- result = NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ result =
+ NT_STATUS_OBJECT_PATH_NOT_FOUND;
}
else {
- result = map_nt_error_from_unix(errno);
+ result =
+ map_nt_error_from_unix(errno);
}
goto fail;
}
@@ -434,22 +455,26 @@ NTSTATUS unix_convert(connection_struct *conn,
/*
* Just the last part of the name doesn't exist.
* We need to strupper() or strlower() it as
- * this conversion may be used for file creation
- * purposes. Fix inspired by Thomas Neumann <t.neumann@iku-ag.de>.
+ * this conversion may be used for file creation
+ * purposes. Fix inspired by
+ * Thomas Neumann <t.neumann@iku-ag.de>.
*/
if (!conn->case_preserve ||
- (mangle_is_8_3(start, False, conn->params) &&
+ (mangle_is_8_3(start, False,
+ conn->params) &&
!conn->short_case_preserve)) {
- strnorm(start, lp_defaultcase(SNUM(conn)));
+ strnorm(start,
+ lp_defaultcase(SNUM(conn)));
}
/*
- * check on the mangled stack to see if we can recover the
- * base of the filename.
+ * check on the mangled stack to see if we can
+ * recover the base of the filename.
*/
if (mangle_is_mangled(start, conn->params)
- && mangle_check_cache_alloc(start, &unmangled,
+ && mangle_check_cache_alloc(start,
+ &unmangled,
conn->params)) {
char *tmp;
size_t start_ofs = start - name;
@@ -478,8 +503,8 @@ NTSTATUS unix_convert(connection_struct *conn,
/*
- * Restore the rest of the string. If the string was mangled the size
- * may have changed.
+ * Restore the rest of the string. If the string was
+ * mangled the size may have changed.
*/
if (end) {
char *tmp;
@@ -523,9 +548,9 @@ NTSTATUS unix_convert(connection_struct *conn,
start = name + start_ofs;
/*
- * We just scanned for, and found the end of the path.
- * We must return a valid stat struct if it exists.
- * JRA.
+ * We just scanned for, and found the end of
+ * the path. We must return a valid stat struct
+ * if it exists. JRA.
*/
if (SMB_VFS_STAT(conn,name, &st) == 0) {
@@ -540,13 +565,14 @@ NTSTATUS unix_convert(connection_struct *conn,
#ifdef DEVELOPER
if (VALID_STAT(st) &&
- get_delete_on_close_flag(vfs_file_id_from_sbuf(conn, &st))) {
+ get_delete_on_close_flag(vfs_file_id_from_sbuf(conn,
+ &st))) {
result = NT_STATUS_DELETE_PENDING;
goto fail;
}
#endif
- /*
+ /*
* Add to the dirpath that we have resolved so far.
*/
@@ -574,7 +600,8 @@ NTSTATUS unix_convert(connection_struct *conn,
*/
if(!component_was_mangled && !name_has_wildcard) {
- stat_cache_add(orig_path, dirpath, conn->case_sensitive);
+ stat_cache_add(orig_path, dirpath,
+ conn->case_sensitive);
}
/*
@@ -626,8 +653,10 @@ NTSTATUS check_name(connection_struct *conn, const pstring name)
{
if (IS_VETO_PATH(conn, name)) {
/* Is it not dot or dot dot. */
- if (!((name[0] == '.') && (!name[1] || (name[1] == '.' && !name[2])))) {
- DEBUG(5,("check_name: file path name %s vetoed\n",name));
+ if (!((name[0] == '.') && (!name[1] ||
+ (name[1] == '.' && !name[2])))) {
+ DEBUG(5,("check_name: file path name %s vetoed\n",
+ name));
return map_nt_error_from_unix(ENOENT);
}
}
@@ -635,7 +664,8 @@ NTSTATUS check_name(connection_struct *conn, const pstring name)
if (!lp_widelinks(SNUM(conn)) || !lp_symlinks(SNUM(conn))) {
NTSTATUS status = check_reduced_name(conn,name);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(5,("check_name: name %s failed with %s\n",name, nt_errstr(status)));
+ DEBUG(5,("check_name: name %s failed with %s\n",name,
+ nt_errstr(status)));
return status;
}
}
@@ -648,7 +678,8 @@ NTSTATUS check_name(connection_struct *conn, const pstring name)
This needs to be careful about whether we are case sensitive.
****************************************************************************/
-static BOOL fname_equal(const char *name1, const char *name2, BOOL case_sensitive)
+static BOOL fname_equal(const char *name1, const char *name2,
+ BOOL case_sensitive)
{
/* Normal filename handling */
if (case_sensitive)
@@ -710,14 +741,15 @@ static BOOL scan_directory(connection_struct *conn, const char *path,
while ((dname = ReadDirName(cur_dir, &curpos))) {
/* Is it dot or dot dot. */
- if ((dname[0] == '.') && (!dname[1] || (dname[1] == '.' && !dname[2]))) {
+ if ((dname[0] == '.') && (!dname[1] ||
+ (dname[1] == '.' && !dname[2]))) {
continue;
}
/*
* At this point dname is the unmangled name.
- * name is either mangled or not, depending on the state of the "mangled"
- * variable. JRA.
+ * name is either mangled or not, depending on the state
+ * of the "mangled" variable. JRA.
*/
/*
@@ -725,7 +757,8 @@ static BOOL scan_directory(connection_struct *conn, const char *path,
* against unmangled name.
*/
- if ((mangled && mangled_equal(name,dname,conn->params)) || fname_equal(name, dname, conn->case_sensitive)) {
+ if ((mangled && mangled_equal(name,dname,conn->params)) ||
+ fname_equal(name, dname, conn->case_sensitive)) {
/* we've found the file, change it's name and return */
*found_name = SMB_STRDUP(dname);
SAFE_FREE(unmangled_name);