Merge tag 'v6.17-rc4-ksmbd-fix' of git://git.samba.org/ksmbd
Pull smb server fix from Steve French:
- fix handling filenames with ":" (colon) in them
* tag 'v6.17-rc4-ksmbd-fix' of git://git.samba.org/ksmbd:
ksmbd: allow a filename to contain colons on SMB3.1.1 posix extensions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 0d92ce4..a565fc3 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -2951,18 +2951,19 @@ int smb2_open(struct ksmbd_work *work)
}
ksmbd_debug(SMB, "converted name = %s\n", name);
- if (strchr(name, ':')) {
- if (!test_share_config_flag(work->tcon->share_conf,
- KSMBD_SHARE_FLAG_STREAMS)) {
- rc = -EBADF;
- goto err_out2;
- }
- rc = parse_stream_name(name, &stream_name, &s_type);
- if (rc < 0)
- goto err_out2;
- }
if (posix_ctxt == false) {
+ if (strchr(name, ':')) {
+ if (!test_share_config_flag(work->tcon->share_conf,
+ KSMBD_SHARE_FLAG_STREAMS)) {
+ rc = -EBADF;
+ goto err_out2;
+ }
+ rc = parse_stream_name(name, &stream_name, &s_type);
+ if (rc < 0)
+ goto err_out2;
+ }
+
rc = ksmbd_validate_filename(name);
if (rc < 0)
goto err_out2;
@@ -3443,6 +3444,8 @@ int smb2_open(struct ksmbd_work *work)
fp->attrib_only = !(req->DesiredAccess & ~(FILE_READ_ATTRIBUTES_LE |
FILE_WRITE_ATTRIBUTES_LE | FILE_SYNCHRONIZE_LE));
+ fp->is_posix_ctxt = posix_ctxt;
+
/* fp should be searchable through ksmbd_inode.m_fp_list
* after daccess, saccess, attrib_only, and stream are
* initialized.
@@ -5988,7 +5991,7 @@ static int smb2_rename(struct ksmbd_work *work,
if (IS_ERR(new_name))
return PTR_ERR(new_name);
- if (strchr(new_name, ':')) {
+ if (fp->is_posix_ctxt == false && strchr(new_name, ':')) {
int s_type;
char *xattr_stream_name, *stream_name = NULL;
size_t xattr_stream_size;
diff --git a/fs/smb/server/vfs_cache.h b/fs/smb/server/vfs_cache.h
index 0708155..78b506c 100644
--- a/fs/smb/server/vfs_cache.h
+++ b/fs/smb/server/vfs_cache.h
@@ -112,6 +112,8 @@ struct ksmbd_file {
bool is_durable;
bool is_persistent;
bool is_resilient;
+
+ bool is_posix_ctxt;
};
static inline void set_ctx_actor(struct dir_context *ctx,
