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-rw-r--r--source3/include/proto.h5
-rw-r--r--source3/smbd/dir.c172
-rw-r--r--source3/smbd/filename.c2
-rw-r--r--source3/smbd/msdfs.c4
-rw-r--r--source3/smbd/reply.c21
5 files changed, 106 insertions, 98 deletions
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 1566a01dc5..eef7a0dd24 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -6512,7 +6512,8 @@ bool get_dir_entry(TALLOC_CTX *ctx,
bool is_visible_file(connection_struct *conn, const char *dir_path, const char *name, SMB_STRUCT_STAT *pst, bool use_veto);
struct smb_Dir *OpenDir(TALLOC_CTX *mem_ctx, connection_struct *conn,
const char *name, const char *mask, uint32 attr);
-const char *ReadDirName(struct smb_Dir *dirp, long *poffset);
+const char *ReadDirName(struct smb_Dir *dirp, long *poffset,
+ SMB_STRUCT_STAT *sbuf);
void RewindDir(struct smb_Dir *dirp, long *poffset);
void SeekDir(struct smb_Dir *dirp, long offset);
long TellDir(struct smb_Dir *dirp);
@@ -7356,7 +7357,7 @@ int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len);
int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len);
SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n);
-char *vfs_readdirname(connection_struct *conn, void *p);
+char *vfs_readdirname(connection_struct *conn, void *p, SMB_STRUCT_STAT *sbuf);
int vfs_ChDir(connection_struct *conn, const char *path);
char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
NTSTATUS check_reduced_name(connection_struct *conn, const char *fname);
diff --git a/source3/smbd/dir.c b/source3/smbd/dir.c
index 2b996a41cf..c4f6b4fe55 100644
--- a/source3/smbd/dir.c
+++ b/source3/smbd/dir.c
@@ -552,11 +552,12 @@ int dptr_dnum(struct dptr_struct *dptr)
Return the next visible file name, skipping veto'd and invisible files.
****************************************************************************/
-static const char *dptr_normal_ReadDirName(struct dptr_struct *dptr, long *poffset, SMB_STRUCT_STAT *pst)
+static const char *dptr_normal_ReadDirName(struct dptr_struct *dptr,
+ long *poffset, SMB_STRUCT_STAT *pst)
{
/* Normal search for the next file. */
const char *name;
- while ((name = ReadDirName(dptr->dir_hnd, poffset)) != NULL) {
+ while ((name = ReadDirName(dptr->dir_hnd, poffset, pst)) != NULL) {
if (is_visible_file(dptr->conn, dptr->path, name, pst, True)) {
return name;
}
@@ -573,85 +574,84 @@ const char *dptr_ReadDirName(TALLOC_CTX *ctx,
long *poffset,
SMB_STRUCT_STAT *pst)
{
+ char *name = NULL;
+ char *pathreal = NULL;
SET_STAT_INVALID(*pst);
- if (dptr->has_wild) {
+ if (dptr->has_wild || dptr->did_stat) {
return dptr_normal_ReadDirName(dptr, poffset, pst);
}
- /* If poffset is -1 then we know we returned this name before and we have
- no wildcards. We're at the end of the directory. */
+ /* If poffset is -1 then we know we returned this name before and we
+ * have no wildcards. We're at the end of the directory. */
if (*poffset == END_OF_DIRECTORY_OFFSET) {
return NULL;
}
- if (!dptr->did_stat) {
- char *pathreal = NULL;
-
- /* We know the stored wcard contains no wildcard characters. See if we can match
- with a stat call. If we can't, then set did_stat to true to
- ensure we only do this once and keep searching. */
-
- dptr->did_stat = True;
-
- /* First check if it should be visible. */
- if (!is_visible_file(dptr->conn, dptr->path, dptr->wcard, pst, True)) {
- /* This only returns False if the file was found, but
- is explicitly not visible. Set us to end of directory,
- but return NULL as we know we can't ever find it. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return NULL;
- }
+ /* We know the stored wcard contains no wildcard characters.
+ * See if we can match with a stat call. If we can't, then set
+ * did_stat to true to ensure we only do this once and keep
+ * searching. */
+
+ dptr->did_stat = true;
+
+ /* First check if it should be visible. */
+ if (!is_visible_file(dptr->conn, dptr->path, dptr->wcard,
+ pst, true))
+ {
+ /* This only returns false if the file was found, but
+ is explicitly not visible. Set us to end of
+ directory, but return NULL as we know we can't ever
+ find it. */
+ goto ret;
+ }
- if (VALID_STAT(*pst)) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return dptr->wcard;
- }
+ if (VALID_STAT(*pst)) {
+ name = dptr->wcard;
+ goto ret;
+ }
- pathreal = talloc_asprintf(ctx,
- "%s/%s",
- dptr->path,
- dptr->wcard);
- if (!pathreal) {
- return NULL;
- }
+ pathreal = talloc_asprintf(ctx,
+ "%s/%s",
+ dptr->path,
+ dptr->wcard);
+ if (!pathreal)
+ return NULL;
- if (SMB_VFS_STAT(dptr->conn,pathreal,pst) == 0) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- TALLOC_FREE(pathreal);
- return dptr->wcard;
- } else {
- /* If we get any other error than ENOENT or ENOTDIR
- then the file exists we just can't stat it. */
- if (errno != ENOENT && errno != ENOTDIR) {
- /* We need to set the underlying dir_hdn offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- TALLOC_FREE(pathreal);
- return dptr->wcard;
- }
+ if (SMB_VFS_STAT(dptr->conn, pathreal, pst) == 0) {
+ name = dptr->wcard;
+ goto clean;
+ } else {
+ /* If we get any other error than ENOENT or ENOTDIR
+ then the file exists we just can't stat it. */
+ if (errno != ENOENT && errno != ENOTDIR) {
+ name = dptr->wcard;
+ goto clean;
}
+ }
- TALLOC_FREE(pathreal);
+ /* Stat failed. We know this is authoratiative if we are
+ * providing case sensitive semantics or the underlying
+ * filesystem is case sensitive.
+ */
+ if (dptr->conn->case_sensitive ||
+ !(dptr->conn->fs_capabilities & FILE_CASE_SENSITIVE_SEARCH))
+ {
+ goto clean;
+ }
- /* Stat failed. We know this is authoratiative if we are
- * providing case sensitive semantics or the underlying
- * filesystem is case sensitive.
- */
+ TALLOC_FREE(pathreal);
- if (dptr->conn->case_sensitive ||
- !(dptr->conn->fs_capabilities & FILE_CASE_SENSITIVE_SEARCH)) {
- /* We need to set the underlying dir_hnd offset to -1 also as
- this function is usually called with the output from TellDir. */
- dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
- return NULL;
- }
- }
return dptr_normal_ReadDirName(dptr, poffset, pst);
+
+clean:
+ TALLOC_FREE(pathreal);
+ret:
+ /* We need to set the underlying dir_hnd offset to -1
+ * also as this function is usually called with the
+ * output from TellDir. */
+ dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
+ return name;
}
/****************************************************************************
@@ -981,19 +981,17 @@ static bool file_is_special(connection_struct *conn, char *name, SMB_STRUCT_STAT
}
/*******************************************************************
- Should the file be seen by the client ? NOTE: A successful return
- is no guarantee of the file's existence ... you also have to check
- whether pst is valid.
+ Should the file be seen by the client?
+ NOTE: A successful return is no guarantee of the file's existence.
********************************************************************/
-bool is_visible_file(connection_struct *conn, const char *dir_path, const char *name, SMB_STRUCT_STAT *pst, bool use_veto)
+bool is_visible_file(connection_struct *conn, const char *dir_path,
+ const char *name, SMB_STRUCT_STAT *pst, bool use_veto)
{
bool hide_unreadable = lp_hideunreadable(SNUM(conn));
bool hide_unwriteable = lp_hideunwriteable_files(SNUM(conn));
bool hide_special = lp_hide_special_files(SNUM(conn));
- SET_STAT_INVALID(*pst);
-
if ((strcmp(".",name) == 0) || (strcmp("..",name) == 0)) {
return True; /* . and .. are always visible. */
}
@@ -1023,26 +1021,30 @@ bool is_visible_file(connection_struct *conn, const char *dir_path, const char *
* the configuration options. We succeed, on the basis that the
* checks *might* have passed if the file was present.
*/
- if (SMB_VFS_STAT(conn, entry, pst) != 0) {
+ if (!VALID_STAT(*pst) && (SMB_VFS_STAT(conn, entry, pst) != 0))
+ {
SAFE_FREE(entry);
return True;
}
/* Honour _hide unreadable_ option */
if (hide_unreadable && !user_can_read_file(conn, entry)) {
- DEBUG(10,("is_visible_file: file %s is unreadable.\n", entry ));
+ DEBUG(10,("is_visible_file: file %s is unreadable.\n",
+ entry ));
SAFE_FREE(entry);
return False;
}
/* Honour _hide unwriteable_ option */
if (hide_unwriteable && !user_can_write_file(conn, entry, pst)) {
- DEBUG(10,("is_visible_file: file %s is unwritable.\n", entry ));
+ DEBUG(10,("is_visible_file: file %s is unwritable.\n",
+ entry ));
SAFE_FREE(entry);
return False;
}
/* Honour _hide_special_ option */
if (hide_special && file_is_special(conn, entry, pst)) {
- DEBUG(10,("is_visible_file: file %s is special.\n", entry ));
+ DEBUG(10,("is_visible_file: file %s is special.\n",
+ entry ));
SAFE_FREE(entry);
return False;
}
@@ -1100,17 +1102,21 @@ struct smb_Dir *OpenDir(TALLOC_CTX *mem_ctx, connection_struct *conn,
}
/*******************************************************************
- Read from a directory. Also return current offset.
+ Read from a directory.
+ Return directory entry, current offset, and optional stat information.
Don't check for veto or invisible files.
********************************************************************/
-const char *ReadDirName(struct smb_Dir *dirp, long *poffset)
+const char *ReadDirName(struct smb_Dir *dirp, long *poffset,
+ SMB_STRUCT_STAT *sbuf)
{
const char *n;
connection_struct *conn = dirp->conn;
/* Cheat to allow . and .. to be the first entries returned. */
- if (((*poffset == START_OF_DIRECTORY_OFFSET) || (*poffset == DOT_DOT_DIRECTORY_OFFSET)) && (dirp->file_number < 2)) {
+ if (((*poffset == START_OF_DIRECTORY_OFFSET) ||
+ (*poffset == DOT_DOT_DIRECTORY_OFFSET)) && (dirp->file_number < 2))
+ {
if (dirp->file_number == 0) {
n = ".";
*poffset = dirp->offset = START_OF_DIRECTORY_OFFSET;
@@ -1128,7 +1134,7 @@ const char *ReadDirName(struct smb_Dir *dirp, long *poffset)
SeekDir(dirp, *poffset);
}
- while ((n = vfs_readdirname(conn, dirp->dir))) {
+ while ((n = vfs_readdirname(conn, dirp->dir, sbuf))) {
/* Ignore . and .. - we've already returned them. */
if (*n == '.') {
if ((n[1] == '\0') || (n[1] == '.' && n[2] == '\0')) {
@@ -1261,7 +1267,7 @@ bool SearchDir(struct smb_Dir *dirp, const char *name, long *poffset)
SMB_VFS_REWINDDIR(conn, dirp->dir);
dirp->file_number = 0;
*poffset = START_OF_DIRECTORY_OFFSET;
- while ((entry = ReadDirName(dirp, poffset))) {
+ while ((entry = ReadDirName(dirp, poffset, NULL))) {
if (conn->case_sensitive ? (strcmp(entry, name) == 0) : strequal(entry, name)) {
return True;
}
@@ -1279,6 +1285,7 @@ NTSTATUS can_delete_directory(struct connection_struct *conn,
NTSTATUS status = NT_STATUS_OK;
long dirpos = 0;
const char *dname;
+ SMB_STRUCT_STAT st;
struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn, dirname,
NULL, 0);
@@ -1286,9 +1293,7 @@ NTSTATUS can_delete_directory(struct connection_struct *conn,
return map_nt_error_from_unix(errno);
}
- while ((dname = ReadDirName(dir_hnd,&dirpos))) {
- SMB_STRUCT_STAT st;
-
+ while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
/* Quick check for "." and ".." */
if (dname[0] == '.') {
if (!dname[1] || (dname[1] == '.' && !dname[2])) {
@@ -1300,7 +1305,8 @@ NTSTATUS can_delete_directory(struct connection_struct *conn,
continue;
}
- DEBUG(10,("can_delete_directory: got name %s - can't delete\n", dname ));
+ DEBUG(10,("can_delete_directory: got name %s - can't delete\n",
+ dname ));
status = NT_STATUS_DIRECTORY_NOT_EMPTY;
break;
}
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index 003cb0ffd4..80722a7cd0 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -849,7 +849,7 @@ int get_real_filename(connection_struct *conn, const char *path,
/* now scan for matching names */
curpos = 0;
- while ((dname = ReadDirName(cur_dir, &curpos))) {
+ while ((dname = ReadDirName(cur_dir, &curpos, NULL))) {
/* Is it dot or dot dot. */
if (ISDOT(dname) || ISDOTDOT(dname)) {
diff --git a/source3/smbd/msdfs.c b/source3/smbd/msdfs.c
index adeaf96bd2..4d692cd2d2 100644
--- a/source3/smbd/msdfs.c
+++ b/source3/smbd/msdfs.c
@@ -1485,7 +1485,7 @@ static int count_dfs_links(TALLOC_CTX *ctx, int snum)
goto out;
}
- while ((dname = vfs_readdirname(conn, dirp)) != NULL) {
+ while ((dname = vfs_readdirname(conn, dirp, NULL)) != NULL) {
if (is_msdfs_link(conn,
dname,
NULL)) {
@@ -1585,7 +1585,7 @@ static int form_junctions(TALLOC_CTX *ctx,
goto out;
}
- while ((dname = vfs_readdirname(conn, dirp)) != NULL) {
+ while ((dname = vfs_readdirname(conn, dirp, NULL)) != NULL) {
char *link_target = NULL;
if (cnt >= jn_remain) {
DEBUG(2, ("form_junctions: ran out of MSDFS "
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 151f9d0827..628f481c1c 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -2368,7 +2368,7 @@ NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
char *p = NULL;
int count=0;
NTSTATUS status = NT_STATUS_OK;
- SMB_STRUCT_STAT sbuf;
+ SMB_STRUCT_STAT sbuf, st;
TALLOC_CTX *ctx = talloc_tos();
status = unix_convert(ctx, conn, name_in, has_wild, &name, NULL, &sbuf);
@@ -2464,11 +2464,12 @@ NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
status = NT_STATUS_NO_SUCH_FILE;
- while ((dname = ReadDirName(dir_hnd, &offset))) {
- SMB_STRUCT_STAT st;
+ while ((dname = ReadDirName(dir_hnd, &offset, &st))) {
char *fname = NULL;
- if (!is_visible_file(conn, directory, dname, &st, True)) {
+ if (!is_visible_file(conn, directory, dname, &st,
+ true))
+ {
continue;
}
@@ -5005,15 +5006,15 @@ static bool recursive_rmdir(TALLOC_CTX *ctx,
const char *dname = NULL;
bool ret = True;
long offset = 0;
+ SMB_STRUCT_STAT st;
struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn, directory,
NULL, 0);
if(dir_hnd == NULL)
return False;
- while((dname = ReadDirName(dir_hnd, &offset))) {
+ while((dname = ReadDirName(dir_hnd, &offset, &st))) {
char *fullname = NULL;
- SMB_STRUCT_STAT st;
if (ISDOT(dname) || ISDOTDOT(dname)) {
continue;
@@ -5110,7 +5111,7 @@ NTSTATUS rmdir_internals(TALLOC_CTX *ctx,
goto err;
}
- while ((dname = ReadDirName(dir_hnd,&dirpos))) {
+ while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
continue;
if (!is_visible_file(conn, directory, dname, &st, False))
@@ -5133,7 +5134,7 @@ NTSTATUS rmdir_internals(TALLOC_CTX *ctx,
/* Do a recursive delete. */
RewindDir(dir_hnd,&dirpos);
- while ((dname = ReadDirName(dir_hnd,&dirpos))) {
+ while ((dname = ReadDirName(dir_hnd, &dirpos, &st))) {
char *fullname = NULL;
if (ISDOT(dname) || ISDOTDOT(dname)) {
@@ -5911,7 +5912,7 @@ NTSTATUS rename_internals(TALLOC_CTX *ctx,
* - gentest fix. JRA
*/
- while ((dname = ReadDirName(dir_hnd, &offset))) {
+ while ((dname = ReadDirName(dir_hnd, &offset, &sbuf1))) {
files_struct *fsp = NULL;
char *fname = NULL;
char *destname = NULL;
@@ -6513,7 +6514,7 @@ void reply_copy(struct smb_request *req)
error = ERRbadfile;
- while ((dname = ReadDirName(dir_hnd, &offset))) {
+ while ((dname = ReadDirName(dir_hnd, &offset, &sbuf1))) {
char *destname = NULL;
char *fname = NULL;
generated by cgit (git 2.34.1) at 2024-12-14 15:02:55 +0000