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smbd: add an explicit talloc_stackframe() to form_junctions()

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This makes further changes simpler.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Stefan Metzmacher 2018-05-24 17:40:27 +02:00
parent 15ea2c1b6a
commit 2401e257bb
1 changed files with 10 additions and 7 deletions
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17
source3/smbd/msdfs.c
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@ -1654,13 +1654,14 @@ static int form_junctions(TALLOC_CTX *ctx,
struct junction_map *jucn,
size_t jn_remain)
{
TALLOC_CTX *frame = talloc_stackframe();
size_t cnt = 0;
DIR *dirp = NULL;
const char *dname = NULL;
char *talloced = NULL;
const char *connect_path = lp_path(talloc_tos(), snum);
char *service_name = lp_servicename(talloc_tos(), snum);
const char *msdfs_proxy = lp_msdfs_proxy(talloc_tos(), snum);
const char *connect_path = lp_path(frame, snum);
char *service_name = lp_servicename(frame, snum);
const char *msdfs_proxy = lp_msdfs_proxy(frame, snum);
connection_struct *conn;
struct referral *ref = NULL;
struct smb_filename *cwd_fname = NULL;
@ -1668,10 +1669,12 @@ static int form_junctions(TALLOC_CTX *ctx,
NTSTATUS status;
if (jn_remain == 0) {
TALLOC_FREE(frame);
return 0;
}
if(*connect_path == '\0') {
TALLOC_FREE(frame);
return 0;
}
@ -1679,7 +1682,7 @@ static int form_junctions(TALLOC_CTX *ctx,
* Fake up a connection struct for the VFS layer.
*/
status = create_conn_struct_cwd(ctx,
status = create_conn_struct_cwd(frame,
server_event_context(),
server_messaging_context(),
&conn,
@ -1690,6 +1693,7 @@ static int form_junctions(TALLOC_CTX *ctx,
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("create_conn_struct failed: %s\n",
nt_errstr(status)));
TALLOC_FREE(frame);
return 0;
}
@ -1732,7 +1736,7 @@ static int form_junctions(TALLOC_CTX *ctx,
goto out;
}
smb_fname = synthetic_smb_fname(talloc_tos(),
smb_fname = synthetic_smb_fname(frame,
".",
NULL,
NULL,
@ -1799,10 +1803,9 @@ out:
SMB_VFS_CLOSEDIR(conn,dirp);
}
TALLOC_FREE(smb_fname);
vfs_ChDir(conn, cwd_fname);
TALLOC_FREE(cwd_fname);
conn_free(conn);
TALLOC_FREE(frame);
return cnt;
}