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-rw-r--r--fs/ksmbd/Kconfig8
-rw-r--r--fs/ksmbd/asn1.c23
-rw-r--r--fs/ksmbd/connection.c6
-rw-r--r--fs/ksmbd/ksmbd_work.h2
-rw-r--r--fs/ksmbd/mgmt/user_session.c98
-rw-r--r--fs/ksmbd/mgmt/user_session.h6
-rw-r--r--fs/ksmbd/ndr.c6
-rw-r--r--fs/ksmbd/ndr.h2
-rw-r--r--fs/ksmbd/oplock.c6
-rw-r--r--fs/ksmbd/smb2misc.c31
-rw-r--r--fs/ksmbd/smb2pdu.c189
-rw-r--r--fs/ksmbd/smb_common.c4
-rw-r--r--fs/ksmbd/smbacl.c72
-rw-r--r--fs/ksmbd/smbacl.h12
-rw-r--r--fs/ksmbd/vfs.c179
-rw-r--r--fs/ksmbd/vfs.h36
-rw-r--r--fs/ksmbd/vfs_cache.c10
17 files changed, 320 insertions, 370 deletions
diff --git a/fs/ksmbd/Kconfig b/fs/ksmbd/Kconfig
index e1fe17747ed6..7055cb5d2880 100644
--- a/fs/ksmbd/Kconfig
+++ b/fs/ksmbd/Kconfig
@@ -33,14 +33,16 @@ config SMB_SERVER
in ksmbd-tools, available from
https://github.com/cifsd-team/ksmbd-tools.
More detail about how to run the ksmbd kernel server is
- available via README file
+ available via the README file
(https://github.com/cifsd-team/ksmbd-tools/blob/master/README).
ksmbd kernel server includes support for auto-negotiation,
Secure negotiate, Pre-authentication integrity, oplock/lease,
compound requests, multi-credit, packet signing, RDMA(smbdirect),
smb3 encryption, copy-offload, secure per-user session
- establishment via NTLM or NTLMv2.
+ establishment via Kerberos or NTLMv2.
+
+if SMB_SERVER
config SMB_SERVER_SMBDIRECT
bool "Support for SMB Direct protocol"
@@ -54,6 +56,8 @@ config SMB_SERVER_SMBDIRECT
SMB Direct allows transferring SMB packets over RDMA. If unsure,
say N.
+endif
+
config SMB_SERVER_CHECK_CAP_NET_ADMIN
bool "Enable check network administration capability"
depends on SMB_SERVER
diff --git a/fs/ksmbd/asn1.c b/fs/ksmbd/asn1.c
index c03eba090368..cc6384f79675 100644
--- a/fs/ksmbd/asn1.c
+++ b/fs/ksmbd/asn1.c
@@ -208,9 +208,9 @@ int ksmbd_neg_token_init_mech_type(void *context, size_t hdrlen,
return 0;
}
-int ksmbd_neg_token_init_mech_token(void *context, size_t hdrlen,
- unsigned char tag, const void *value,
- size_t vlen)
+static int ksmbd_neg_token_alloc(void *context, size_t hdrlen,
+ unsigned char tag, const void *value,
+ size_t vlen)
{
struct ksmbd_conn *conn = context;
@@ -223,17 +223,16 @@ int ksmbd_neg_token_init_mech_token(void *context, size_t hdrlen,
return 0;
}
-int ksmbd_neg_token_targ_resp_token(void *context, size_t hdrlen,
+int ksmbd_neg_token_init_mech_token(void *context, size_t hdrlen,
unsigned char tag, const void *value,
size_t vlen)
{
- struct ksmbd_conn *conn = context;
-
- conn->mechToken = kmalloc(vlen + 1, GFP_KERNEL);
- if (!conn->mechToken)
- return -ENOMEM;
+ return ksmbd_neg_token_alloc(context, hdrlen, tag, value, vlen);
+}
- memcpy(conn->mechToken, value, vlen);
- conn->mechToken[vlen] = '\0';
- return 0;
+int ksmbd_neg_token_targ_resp_token(void *context, size_t hdrlen,
+ unsigned char tag, const void *value,
+ size_t vlen)
+{
+ return ksmbd_neg_token_alloc(context, hdrlen, tag, value, vlen);
}
diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c
index 56be077e5d8a..5b10b03800c1 100644
--- a/fs/ksmbd/connection.c
+++ b/fs/ksmbd/connection.c
@@ -114,7 +114,7 @@ void ksmbd_conn_enqueue_request(struct ksmbd_work *work)
if (conn->ops->get_cmd_val(work) != SMB2_CANCEL_HE) {
requests_queue = &conn->requests;
- work->syncronous = true;
+ work->synchronous = true;
}
if (requests_queue) {
@@ -139,7 +139,7 @@ int ksmbd_conn_try_dequeue_request(struct ksmbd_work *work)
spin_lock(&conn->request_lock);
if (!work->multiRsp) {
list_del_init(&work->request_entry);
- if (work->syncronous == false)
+ if (!work->synchronous)
list_del_init(&work->async_request_entry);
ret = 0;
}
@@ -312,7 +312,7 @@ int ksmbd_conn_handler_loop(void *p)
max_allowed_pdu_size = SMB3_MAX_MSGSIZE;
if (pdu_size > max_allowed_pdu_size) {
- pr_err_ratelimited("PDU length(%u) excceed maximum allowed pdu size(%u) on connection(%d)\n",
+ pr_err_ratelimited("PDU length(%u) exceeded maximum allowed pdu size(%u) on connection(%d)\n",
pdu_size, max_allowed_pdu_size,
conn->status);
break;
diff --git a/fs/ksmbd/ksmbd_work.h b/fs/ksmbd/ksmbd_work.h
index 5ece58e40c97..3234f2cf6327 100644
--- a/fs/ksmbd/ksmbd_work.h
+++ b/fs/ksmbd/ksmbd_work.h
@@ -68,7 +68,7 @@ struct ksmbd_work {
/* Request is encrypted */
bool encrypted:1;
/* Is this SYNC or ASYNC ksmbd_work */
- bool syncronous:1;
+ bool synchronous:1;
bool need_invalidate_rkey:1;
unsigned int remote_key;
diff --git a/fs/ksmbd/mgmt/user_session.c b/fs/ksmbd/mgmt/user_session.c
index 92b1603b5abe..1ca2aae4c299 100644
--- a/fs/ksmbd/mgmt/user_session.c
+++ b/fs/ksmbd/mgmt/user_session.c
@@ -25,20 +25,19 @@ static DECLARE_RWSEM(sessions_table_lock);
struct ksmbd_session_rpc {
int id;
unsigned int method;
- struct list_head list;
};
static void free_channel_list(struct ksmbd_session *sess)
{
- struct channel *chann, *tmp;
+ struct channel *chann;
+ unsigned long index;
- write_lock(&sess->chann_lock);
- list_for_each_entry_safe(chann, tmp, &sess->ksmbd_chann_list,
- chann_list) {
- list_del(&chann->chann_list);
+ xa_for_each(&sess->ksmbd_chann_list, index, chann) {
+ xa_erase(&sess->ksmbd_chann_list, index);
kfree(chann);
}
- write_unlock(&sess->chann_lock);
+
+ xa_destroy(&sess->ksmbd_chann_list);
}
static void __session_rpc_close(struct ksmbd_session *sess,
@@ -58,15 +57,14 @@ static void __session_rpc_close(struct ksmbd_session *sess,
static void ksmbd_session_rpc_clear_list(struct ksmbd_session *sess)
{
struct ksmbd_session_rpc *entry;
+ long index;
- while (!list_empty(&sess->rpc_handle_list)) {
- entry = list_entry(sess->rpc_handle_list.next,
- struct ksmbd_session_rpc,
- list);
-
- list_del(&entry->list);
+ xa_for_each(&sess->rpc_handle_list, index, entry) {
+ xa_erase(&sess->rpc_handle_list, index);
__session_rpc_close(sess, entry);
}
+
+ xa_destroy(&sess->rpc_handle_list);
}
static int __rpc_method(char *rpc_name)
@@ -102,13 +100,13 @@ int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name)
entry = kzalloc(sizeof(struct ksmbd_session_rpc), GFP_KERNEL);
if (!entry)
- return -EINVAL;
+ return -ENOMEM;
- list_add(&entry->list, &sess->rpc_handle_list);
entry->method = method;
entry->id = ksmbd_ipc_id_alloc();
if (entry->id < 0)
goto free_entry;
+ xa_store(&sess->rpc_handle_list, entry->id, entry, GFP_KERNEL);
resp = ksmbd_rpc_open(sess, entry->id);
if (!resp)
@@ -117,9 +115,9 @@ int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name)
kvfree(resp);
return entry->id;
free_id:
+ xa_erase(&sess->rpc_handle_list, entry->id);
ksmbd_rpc_id_free(entry->id);
free_entry:
- list_del(&entry->list);
kfree(entry);
return -EINVAL;
}
@@ -128,24 +126,17 @@ void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id)
{
struct ksmbd_session_rpc *entry;
- list_for_each_entry(entry, &sess->rpc_handle_list, list) {
- if (entry->id == id) {
- list_del(&entry->list);
- __session_rpc_close(sess, entry);
- break;
- }
- }
+ entry = xa_erase(&sess->rpc_handle_list, id);
+ if (entry)
+ __session_rpc_close(sess, entry);
}
int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id)
{
struct ksmbd_session_rpc *entry;
- list_for_each_entry(entry, &sess->rpc_handle_list, list) {
- if (entry->id == id)
- return entry->method;
- }
- return 0;
+ entry = xa_load(&sess->rpc_handle_list, id);
+ return entry ? entry->method : 0;
}
void ksmbd_session_destroy(struct ksmbd_session *sess)
@@ -190,21 +181,15 @@ int ksmbd_session_register(struct ksmbd_conn *conn,
static int ksmbd_chann_del(struct ksmbd_conn *conn, struct ksmbd_session *sess)
{
- struct channel *chann, *tmp;
-
- write_lock(&sess->chann_lock);
- list_for_each_entry_safe(chann, tmp, &sess->ksmbd_chann_list,
- chann_list) {
- if (chann->conn == conn) {
- list_del(&chann->chann_list);
- kfree(chann);
- write_unlock(&sess->chann_lock);
- return 0;
- }
- }
- write_unlock(&sess->chann_lock);
+ struct channel *chann;
+
+ chann = xa_erase(&sess->ksmbd_chann_list, (long)conn);
+ if (!chann)
+ return -ENOENT;
- return -ENOENT;
+ kfree(chann);
+
+ return 0;
}
void ksmbd_sessions_deregister(struct ksmbd_conn *conn)
@@ -234,7 +219,7 @@ void ksmbd_sessions_deregister(struct ksmbd_conn *conn)
return;
sess_destroy:
- if (list_empty(&sess->ksmbd_chann_list)) {
+ if (xa_empty(&sess->ksmbd_chann_list)) {
xa_erase(&conn->sessions, sess->id);
ksmbd_session_destroy(sess);
}
@@ -320,6 +305,9 @@ static struct ksmbd_session *__session_create(int protocol)
struct ksmbd_session *sess;
int ret;
+ if (protocol != CIFDS_SESSION_FLAG_SMB2)
+ return NULL;
+
sess = kzalloc(sizeof(struct ksmbd_session), GFP_KERNEL);
if (!sess)
return NULL;
@@ -329,30 +317,20 @@ static struct ksmbd_session *__session_create(int protocol)
set_session_flag(sess, protocol);
xa_init(&sess->tree_conns);
- INIT_LIST_HEAD(&sess->ksmbd_chann_list);
- INIT_LIST_HEAD(&sess->rpc_handle_list);
+ xa_init(&sess->ksmbd_chann_list);
+ xa_init(&sess->rpc_handle_list);
sess->sequence_number = 1;
- rwlock_init(&sess->chann_lock);
-
- switch (protocol) {
- case CIFDS_SESSION_FLAG_SMB2:
- ret = __init_smb2_session(sess);
- break;
- default:
- ret = -EINVAL;
- break;
- }
+ ret = __init_smb2_session(sess);
if (ret)
goto error;
ida_init(&sess->tree_conn_ida);
- if (protocol == CIFDS_SESSION_FLAG_SMB2) {
- down_write(&sessions_table_lock);
- hash_add(sessions_table, &sess->hlist, sess->id);
- up_write(&sessions_table_lock);
- }
+ down_write(&sessions_table_lock);
+ hash_add(sessions_table, &sess->hlist, sess->id);
+ up_write(&sessions_table_lock);
+
return sess;
error:
diff --git a/fs/ksmbd/mgmt/user_session.h b/fs/ksmbd/mgmt/user_session.h
index 8934b8ee275b..b6a9e7a6aae4 100644
--- a/fs/ksmbd/mgmt/user_session.h
+++ b/fs/ksmbd/mgmt/user_session.h
@@ -21,7 +21,6 @@ struct ksmbd_file_table;
struct channel {
__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
struct ksmbd_conn *conn;
- struct list_head chann_list;
};
struct preauth_session {
@@ -50,11 +49,10 @@ struct ksmbd_session {
char sess_key[CIFS_KEY_SIZE];
struct hlist_node hlist;
- rwlock_t chann_lock;
- struct list_head ksmbd_chann_list;
+ struct xarray ksmbd_chann_list;
struct xarray tree_conns;
struct ida tree_conn_ida;
- struct list_head rpc_handle_list;
+ struct xarray rpc_handle_list;
__u8 smb3encryptionkey[SMB3_ENC_DEC_KEY_SIZE];
__u8 smb3decryptionkey[SMB3_ENC_DEC_KEY_SIZE];
diff --git a/fs/ksmbd/ndr.c b/fs/ksmbd/ndr.c
index 4d9e0b54e3db..3507d8f89074 100644
--- a/fs/ksmbd/ndr.c
+++ b/fs/ksmbd/ndr.c
@@ -338,7 +338,7 @@ static int ndr_encode_posix_acl_entry(struct ndr *n, struct xattr_smb_acl *acl)
}
int ndr_encode_posix_acl(struct ndr *n,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct inode *inode,
struct xattr_smb_acl *acl,
struct xattr_smb_acl *def_acl)
@@ -374,11 +374,11 @@ int ndr_encode_posix_acl(struct ndr *n,
if (ret)
return ret;
- vfsuid = i_uid_into_vfsuid(user_ns, inode);
+ vfsuid = i_uid_into_vfsuid(idmap, inode);
ret = ndr_write_int64(n, from_kuid(&init_user_ns, vfsuid_into_kuid(vfsuid)));
if (ret)
return ret;
- vfsgid = i_gid_into_vfsgid(user_ns, inode);
+ vfsgid = i_gid_into_vfsgid(idmap, inode);
ret = ndr_write_int64(n, from_kgid(&init_user_ns, vfsgid_into_kgid(vfsgid)));
if (ret)
return ret;
diff --git a/fs/ksmbd/ndr.h b/fs/ksmbd/ndr.h
index 60ca265d1bb0..f3c108c8cf4d 100644
--- a/fs/ksmbd/ndr.h
+++ b/fs/ksmbd/ndr.h
@@ -14,7 +14,7 @@ struct ndr {
int ndr_encode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da);
int ndr_decode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da);
-int ndr_encode_posix_acl(struct ndr *n, struct user_namespace *user_ns,
+int ndr_encode_posix_acl(struct ndr *n, struct mnt_idmap *idmap,
struct inode *inode, struct xattr_smb_acl *acl,
struct xattr_smb_acl *def_acl);
int ndr_encode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl);
diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c
index d7d47b82451d..2e54ded4d92c 100644
--- a/fs/ksmbd/oplock.c
+++ b/fs/ksmbd/oplock.c
@@ -1608,9 +1608,9 @@ void create_posix_rsp_buf(char *cc, struct ksmbd_file *fp)
{
struct create_posix_rsp *buf;
struct inode *inode = file_inode(fp->filp);
- struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
- vfsuid_t vfsuid = i_uid_into_vfsuid(user_ns, inode);
- vfsgid_t vfsgid = i_gid_into_vfsgid(user_ns, inode);
+ struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
+ vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode);
+ vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode);
buf = (struct create_posix_rsp *)cc;
memset(buf, 0, sizeof(struct create_posix_rsp));
diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c
index 6e25ace36568..fbdde426dd01 100644
--- a/fs/ksmbd/smb2misc.c
+++ b/fs/ksmbd/smb2misc.c
@@ -149,15 +149,11 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len,
break;
case SMB2_LOCK:
{
- int lock_count;
+ unsigned short lock_count;
- /*
- * smb2_lock request size is 48 included single
- * smb2_lock_element structure size.
- */
- lock_count = le16_to_cpu(((struct smb2_lock_req *)hdr)->LockCount) - 1;
+ lock_count = le16_to_cpu(((struct smb2_lock_req *)hdr)->LockCount);
if (lock_count > 0) {
- *off = __SMB2_HEADER_STRUCTURE_SIZE + 48;
+ *off = offsetof(struct smb2_lock_req, locks);
*len = sizeof(struct smb2_lock_element) * lock_count;
}
break;
@@ -412,20 +408,19 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
goto validate_credit;
/*
- * windows client also pad up to 8 bytes when compounding.
- * If pad is longer than eight bytes, log the server behavior
- * (once), since may indicate a problem but allow it and
- * continue since the frame is parseable.
+ * SMB2 NEGOTIATE request will be validated when message
+ * handling proceeds.
*/
- if (clc_len < len) {
- ksmbd_debug(SMB,
- "cli req padded more than expected. Length %d not %d for cmd:%d mid:%llu\n",
- len, clc_len, command,
- le64_to_cpu(hdr->MessageId));
+ if (command == SMB2_NEGOTIATE_HE)
+ goto validate_credit;
+
+ /*
+ * Allow a message that padded to 8byte boundary.
+ */
+ if (clc_len < len && (len - clc_len) < 8)
goto validate_credit;
- }
- ksmbd_debug(SMB,
+ pr_err_ratelimited(
"cli req too short, len %d not %d. cmd:%d mid:%llu\n",
len, clc_len, command,
le64_to_cpu(hdr->MessageId));
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 91fe499a6068..0685c1c77b9f 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -12,6 +12,7 @@
#include <linux/ethtool.h>
#include <linux/falloc.h>
#include <linux/mount.h>
+#include <linux/filelock.h>
#include "glob.h"
#include "smbfsctl.h"
@@ -74,14 +75,7 @@ static inline bool check_session_id(struct ksmbd_conn *conn, u64 id)
struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn)
{
- struct channel *chann;
-
- list_for_each_entry(chann, &sess->ksmbd_chann_list, chann_list) {
- if (chann->conn == conn)
- return chann;
- }
-
- return NULL;
+ return xa_load(&sess->ksmbd_chann_list, (long)conn);
}
/**
@@ -504,7 +498,7 @@ int init_smb2_rsp_hdr(struct ksmbd_work *work)
rsp_hdr->SessionId = rcv_hdr->SessionId;
memcpy(rsp_hdr->Signature, rcv_hdr->Signature, 16);
- work->syncronous = true;
+ work->synchronous = true;
if (work->async_id) {
ksmbd_release_id(&conn->async_ida, work->async_id);
work->async_id = 0;
@@ -594,6 +588,7 @@ static void destroy_previous_session(struct ksmbd_conn *conn,
struct ksmbd_session *prev_sess = ksmbd_session_lookup_slowpath(id);
struct ksmbd_user *prev_user;
struct channel *chann;
+ long index;
if (!prev_sess)
return;
@@ -607,10 +602,8 @@ static void destroy_previous_session(struct ksmbd_conn *conn,
return;
prev_sess->state = SMB2_SESSION_EXPIRED;
- write_lock(&prev_sess->chann_lock);
- list_for_each_entry(chann, &prev_sess->ksmbd_chann_list, chann_list)
+ xa_for_each(&prev_sess->ksmbd_chann_list, index, chann)
chann->conn->status = KSMBD_SESS_EXITING;
- write_unlock(&prev_sess->chann_lock);
}
/**
@@ -651,7 +644,7 @@ int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg)
pr_err("Failed to alloc async message id\n");
return id;
}
- work->syncronous = false;
+ work->synchronous = false;
work->async_id = id;
rsp_hdr->Id.AsyncId = cpu_to_le64(id);
@@ -1517,19 +1510,14 @@ static int ntlm_authenticate(struct ksmbd_work *work)
binding_session:
if (conn->dialect >= SMB30_PROT_ID) {
- read_lock(&sess->chann_lock);
chann = lookup_chann_list(sess, conn);
- read_unlock(&sess->chann_lock);
if (!chann) {
chann = kmalloc(sizeof(struct channel), GFP_KERNEL);
if (!chann)
return -ENOMEM;
chann->conn = conn;
- INIT_LIST_HEAD(&chann->chann_list);
- write_lock(&sess->chann_lock);
- list_add(&chann->chann_list, &sess->ksmbd_chann_list);
- write_unlock(&sess->chann_lock);
+ xa_store(&sess->ksmbd_chann_list, (long)conn, chann, GFP_KERNEL);
}
}
@@ -1604,19 +1592,14 @@ static int krb5_authenticate(struct ksmbd_work *work)
}
if (conn->dialect >= SMB30_PROT_ID) {
- read_lock(&sess->chann_lock);
chann = lookup_chann_list(sess, conn);
- read_unlock(&sess->chann_lock);
if (!chann) {
chann = kmalloc(sizeof(struct channel), GFP_KERNEL);
if (!chann)
return -ENOMEM;
chann->conn = conn;
- INIT_LIST_HEAD(&chann->chann_list);
- write_lock(&sess->chann_lock);
- list_add(&chann->chann_list, &sess->ksmbd_chann_list);
- write_unlock(&sess->chann_lock);
+ xa_store(&sess->ksmbd_chann_list, (long)conn, chann, GFP_KERNEL);
}
}
@@ -2190,7 +2173,7 @@ out:
static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
const struct path *path)
{
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
char *attr_name = NULL, *value;
int rc = 0;
unsigned int next = 0;
@@ -2226,7 +2209,7 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
value = (char *)&eabuf->name + eabuf->EaNameLength + 1;
if (!eabuf->EaValueLength) {
- rc = ksmbd_vfs_casexattr_len(user_ns,
+ rc = ksmbd_vfs_casexattr_len(idmap,
path->dentry,
attr_name,
XATTR_USER_PREFIX_LEN +
@@ -2234,7 +2217,7 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
/* delete the EA only when it exits */
if (rc > 0) {
- rc = ksmbd_vfs_remove_xattr(user_ns,
+ rc = ksmbd_vfs_remove_xattr(idmap,
path->dentry,
attr_name);
@@ -2249,7 +2232,7 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
/* if the EA doesn't exist, just do nothing. */
rc = 0;
} else {
- rc = ksmbd_vfs_setxattr(user_ns,
+ rc = ksmbd_vfs_setxattr(idmap,
path->dentry, attr_name, value,
le16_to_cpu(eabuf->EaValueLength), 0);
if (rc < 0) {
@@ -2279,7 +2262,7 @@ static noinline int smb2_set_stream_name_xattr(const struct path *path,
struct ksmbd_file *fp,
char *stream_name, int s_type)
{
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
size_t xattr_stream_size;
char *xattr_stream_name;
int rc;
@@ -2295,7 +2278,7 @@ static noinline int smb2_set_stream_name_xattr(const struct path *path,
fp->stream.size = xattr_stream_size;
/* Check if there is stream prefix in xattr space */
- rc = ksmbd_vfs_casexattr_len(user_ns,
+ rc = ksmbd_vfs_casexattr_len(idmap,
path->dentry,
xattr_stream_name,
xattr_stream_size);
@@ -2307,7 +2290,7 @@ static noinline int smb2_set_stream_name_xattr(const struct path *path,
return -EBADF;
}
- rc = ksmbd_vfs_setxattr(user_ns, path->dentry,
+ rc = ksmbd_vfs_setxattr(idmap, path->dentry,
xattr_stream_name, NULL, 0, 0);
if (rc < 0)
pr_err("Failed to store XATTR stream name :%d\n", rc);
@@ -2316,7 +2299,7 @@ static noinline int smb2_set_stream_name_xattr(const struct path *path,
static int smb2_remove_smb_xattrs(const struct path *path)
{
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
char *name, *xattr_list = NULL;
ssize_t xattr_list_len;
int err = 0;
@@ -2336,7 +2319,7 @@ static int smb2_remove_smb_xattrs(const struct path *path)
if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN) &&
!strncmp(&name[XATTR_USER_PREFIX_LEN], STREAM_PREFIX,
STREAM_PREFIX_LEN)) {
- err = ksmbd_vfs_remove_xattr(user_ns, path->dentry,
+ err = ksmbd_vfs_remove_xattr(idmap, path->dentry,
name);
if (err)
ksmbd_debug(SMB, "remove xattr failed : %s\n",
@@ -2383,7 +2366,7 @@ static void smb2_new_xattrs(struct ksmbd_tree_connect *tcon, const struct path *
da.flags = XATTR_DOSINFO_ATTRIB | XATTR_DOSINFO_CREATE_TIME |
XATTR_DOSINFO_ITIME;
- rc = ksmbd_vfs_set_dos_attrib_xattr(mnt_user_ns(path->mnt),
+ rc = ksmbd_vfs_set_dos_attrib_xattr(mnt_idmap(path->mnt),
path->dentry, &da);
if (rc)
ksmbd_debug(SMB, "failed to store file attribute into xattr\n");
@@ -2402,7 +2385,7 @@ static void smb2_update_xattrs(struct ksmbd_tree_connect *tcon,
KSMBD_SHARE_FLAG_STORE_DOS_ATTRS))
return;
- rc = ksmbd_vfs_get_dos_attrib_xattr(mnt_user_ns(path->mnt),
+ rc = ksmbd_vfs_get_dos_attrib_xattr(mnt_idmap(path->mnt),
path->dentry, &da);
if (rc > 0) {
fp->f_ci->m_fattr = cpu_to_le32(da.attr);
@@ -2477,11 +2460,11 @@ static int smb2_create_sd_buffer(struct ksmbd_work *work,
}
static void ksmbd_acls_fattr(struct smb_fattr *fattr,
- struct user_namespace *mnt_userns,
+ struct mnt_idmap *idmap,
struct inode *inode)
{
- vfsuid_t vfsuid = i_uid_into_vfsuid(mnt_userns, inode);
- vfsgid_t vfsgid = i_gid_into_vfsgid(mnt_userns, inode);
+ vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode);
+ vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode);
fattr->cf_uid = vfsuid_into_kuid(vfsuid);
fattr->cf_gid = vfsgid_into_kgid(vfsgid);
@@ -2513,7 +2496,7 @@ int smb2_open(struct ksmbd_work *work)
struct ksmbd_share_config *share = tcon->share_conf;
struct ksmbd_file *fp = NULL;
struct file *filp = NULL;
- struct user_namespace *user_ns = NULL;
+ struct mnt_idmap *idmap = NULL;
struct kstat stat;
struct create_context *context;
struct lease_ctx_info *lc = NULL;
@@ -2766,7 +2749,7 @@ int smb2_open(struct ksmbd_work *work)
rc = 0;
} else {
file_present = true;
- user_ns = mnt_user_ns(path.mnt);
+ idmap = mnt_idmap(path.mnt);
}
if (stream_name) {
if (req->CreateOptions & FILE_DIRECTORY_FILE_LE) {
@@ -2829,7 +2812,7 @@ int smb2_open(struct ksmbd_work *work)
if (!file_present) {
daccess = cpu_to_le32(GENERIC_ALL_FLAGS);
} else {
- rc = ksmbd_vfs_query_maximal_access(user_ns,
+ rc = ksmbd_vfs_query_maximal_access(idmap,
path.dentry,
&daccess);
if (rc)
@@ -2865,7 +2848,7 @@ int smb2_open(struct ksmbd_work *work)
}
created = true;
- user_ns = mnt_user_ns(path.mnt);
+ idmap = mnt_idmap(path.mnt);
if (ea_buf) {
if (le32_to_cpu(ea_buf->ccontext.DataLength) <
sizeof(struct smb2_ea_info)) {
@@ -2887,7 +2870,7 @@ int smb2_open(struct ksmbd_work *work)
* is already granted.
*/
if (daccess & ~(FILE_READ_ATTRIBUTES_LE | FILE_READ_CONTROL_LE)) {
- rc = inode_permission(user_ns,
+ rc = inode_permission(idmap,
d_inode(path.dentry),
may_flags);
if (rc)
@@ -2895,7 +2878,7 @@ int smb2_open(struct ksmbd_work *work)
if ((daccess & FILE_DELETE_LE) ||
(req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)) {
- rc = ksmbd_vfs_may_delete(user_ns,
+ rc = ksmbd_vfs_may_delete(idmap,
path.dentry);
if (rc)
goto err_out;
@@ -2958,7 +2941,7 @@ int smb2_open(struct ksmbd_work *work)
int posix_acl_rc;
struct inode *inode = d_inode(path.dentry);
- posix_acl_rc = ksmbd_vfs_inherit_posix_acl(user_ns,
+ posix_acl_rc = ksmbd_vfs_inherit_posix_acl(idmap,
path.dentry,
d_inode(path.dentry->d_parent));
if (posix_acl_rc)
@@ -2974,7 +2957,7 @@ int smb2_open(struct ksmbd_work *work)
rc = smb2_create_sd_buffer(work, req, &path);
if (rc) {
if (posix_acl_rc)
- ksmbd_vfs_set_init_posix_acl(user_ns,
+ ksmbd_vfs_set_init_posix_acl(idmap,
path.dentry);
if (test_share_config_flag(work->tcon->share_conf,
@@ -2983,7 +2966,7 @@ int smb2_open(struct ksmbd_work *work)
struct smb_ntsd *pntsd;
int pntsd_size, ace_num = 0;
- ksmbd_acls_fattr(&fattr, user_ns, inode);
+ ksmbd_acls_fattr(&fattr, idmap, inode);
if (fattr.cf_acls)
ace_num = fattr.cf_acls->a_count;
if (fattr.cf_dacls)
@@ -2997,7 +2980,7 @@ int smb2_open(struct ksmbd_work *work)
if (!pntsd)
goto err_out;
- rc = build_sec_desc(user_ns,
+ rc = build_sec_desc(idmap,
pntsd, NULL, 0,
OWNER_SECINFO |
GROUP_SECINFO |
@@ -3011,7 +2994,7 @@ int smb2_open(struct ksmbd_work *work)
}
rc = ksmbd_vfs_set_sd_xattr(conn,
- user_ns,
+ idmap,
path.dentry,
pntsd,
pntsd_size);
@@ -3207,7 +3190,7 @@ int smb2_open(struct ksmbd_work *work)
struct create_context *mxac_ccontext;
if (maximal_access == 0)
- ksmbd_vfs_query_maximal_access(user_ns,
+ ksmbd_vfs_query_maximal_access(idmap,
path.dentry,
&maximal_access);
mxac_ccontext = (struct create_context *)(rsp->Buffer +
@@ -3632,7 +3615,7 @@ static void unlock_dir(struct ksmbd_file *dir_fp)
static int process_query_dir_entries(struct smb2_query_dir_private *priv)
{
- struct user_namespace *user_ns = file_mnt_user_ns(priv->dir_fp->filp);
+ struct mnt_idmap *idmap = file_mnt_idmap(priv->dir_fp->filp);
struct kstat kstat;
struct ksmbd_kstat ksmbd_kstat;
int rc;
@@ -3645,7 +3628,7 @@ static int process_query_dir_entries(struct smb2_query_dir_private *priv)
return -EINVAL;
lock_dir(priv->dir_fp);
- dent = lookup_one(user_ns, priv->d_info->name,
+ dent = lookup_one(idmap, priv->d_info->name,
priv->dir_fp->filp->f_path.dentry,
priv->d_info->name_len);
unlock_dir(priv->dir_fp);
@@ -3666,7 +3649,7 @@ static int process_query_dir_entries(struct smb2_query_dir_private *priv)
ksmbd_kstat.kstat = &kstat;
if (priv->info_level != FILE_NAMES_INFORMATION)
ksmbd_vfs_fill_dentry_attrs(priv->work,
- user_ns,
+ idmap,
dent,
&ksmbd_kstat);
@@ -3896,7 +3879,7 @@ int smb2_query_dir(struct ksmbd_work *work)
}
if (!(dir_fp->daccess & FILE_LIST_DIRECTORY_LE) ||
- inode_permission(file_mnt_user_ns(dir_fp->filp),
+ inode_permission(file_mnt_idmap(dir_fp->filp),
file_inode(dir_fp->filp),
MAY_READ | MAY_EXEC)) {
pr_err("no right to enumerate directory (%pD)\n", dir_fp->filp);
@@ -4162,7 +4145,7 @@ static int smb2_get_ea(struct ksmbd_work *work, struct ksmbd_file *fp,
ssize_t buf_free_len, alignment_bytes, next_offset, rsp_data_cnt = 0;
struct smb2_ea_info_req *ea_req = NULL;
const struct path *path;
- struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
+ struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
if (!(fp->daccess & FILE_READ_EA_LE)) {
pr_err("Not permitted to read ext attr : 0x%x\n",
@@ -4242,7 +4225,7 @@ static int smb2_get_ea(struct ksmbd_work *work, struct ksmbd_file *fp,
buf_free_len -= (offsetof(struct smb2_ea_info, name) +
name_len + 1);
/* bailout if xattr can't fit in buf_free_len */
- value_len = ksmbd_vfs_getxattr(user_ns, path->dentry,
+ value_len = ksmbd_vfs_getxattr(idmap, path->dentry,
name, &buf);
if (value_len <= 0) {
rc = -ENOENT;
@@ -4332,7 +4315,7 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp,
}
basic_info = (struct smb2_file_basic_info *)rsp->Buffer;
- generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp),
+ generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
&stat);
basic_info->CreationTime = cpu_to_le64(fp->create_time);
time = ksmbd_UnixTimeToNT(stat.atime);
@@ -4373,7 +4356,7 @@ static void get_file_standard_info(struct smb2_query_info_rsp *rsp,
struct kstat stat;
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_user_ns(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
sinfo = (struct smb2_file_standard_info *)rsp->Buffer;
delete_pending = ksmbd_inode_pending_delete(fp);
@@ -4427,7 +4410,7 @@ static int get_file_all_info(struct ksmbd_work *work,
return PTR_ERR(filename);
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_user_ns(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
ksmbd_debug(SMB, "filename = %s\n", filename);
delete_pending = ksmbd_inode_pending_delete(fp);
@@ -4504,7 +4487,7 @@ static void get_file_stream_info(struct ksmbd_work *work,
int buf_free_len;
struct smb2_query_info_req *req = ksmbd_req_buf_next(work);
- generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp),
+ generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
&stat);
file_info = (struct smb2_file_stream_info *)rsp->Buffer;
@@ -4595,7 +4578,7 @@ static void get_file_internal_info(struct smb2_query_info_rsp *rsp,
struct smb2_file_internal_info *file_info;
struct kstat stat;
- generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp),
+ generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
&stat);
file_info = (struct smb2_file_internal_info *)rsp->Buffer;
file_info->IndexNumber = cpu_to_le64(stat.ino);
@@ -4621,7 +4604,7 @@ static int get_file_network_open_info(struct smb2_query_info_rsp *rsp,
file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer;
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_user_ns(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
file_info->CreationTime = cpu_to_le64(fp->create_time);
time = ksmbd_UnixTimeToNT(stat.atime);
@@ -4682,7 +4665,7 @@ static void get_file_compression_info(struct smb2_query_info_rsp *rsp,
struct smb2_file_comp_info *file_info;
struct kstat stat;
- generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp),
+ generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
&stat);
file_info = (struct smb2_file_comp_info *)rsp->Buffer;
@@ -4723,9 +4706,9 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
{
struct smb311_posix_qinfo *file_info;
struct inode *inode = file_inode(fp->filp);
- struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
- vfsuid_t vfsuid = i_uid_into_vfsuid(user_ns, inode);
- vfsgid_t vfsgid = i_gid_into_vfsgid(user_ns, inode);
+ struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
+ vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode);
+ vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode);
u64 time;
int out_buf_len = sizeof(struct smb311_posix_qinfo) + 32;
@@ -5125,7 +5108,7 @@ static int smb2_get_info_sec(struct ksmbd_work *work,
struct smb2_query_info_rsp *rsp)
{
struct ksmbd_file *fp;
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
struct smb_ntsd *pntsd = (struct smb_ntsd *)rsp->Buffer, *ppntsd = NULL;
struct smb_fattr fattr = {{0}};
struct inode *inode;
@@ -5172,19 +5155,19 @@ static int smb2_get_info_sec(struct ksmbd_work *work,
if (!fp)
return -ENOENT;
- user_ns = file_mnt_user_ns(fp->filp);
+ idmap = file_mnt_idmap(fp->filp);
inode = file_inode(fp->filp);
- ksmbd_acls_fattr(&fattr, user_ns, inode);
+ ksmbd_acls_fattr(&fattr, idmap, inode);
if (test_share_config_flag(work->tcon->share_conf,
KSMBD_SHARE_FLAG_ACL_XATTR))
- ppntsd_size = ksmbd_vfs_get_sd_xattr(work->conn, user_ns,
+ ppntsd_size = ksmbd_vfs_get_sd_xattr(work->conn, idmap,
fp->filp->f_path.dentry,
&ppntsd);
/* Check if sd buffer size exceeds response buffer size */
if (smb2_resp_buf_len(work, 8) > ppntsd_size)
- rc = build_sec_desc(user_ns, pntsd, ppntsd, ppntsd_size,
+ rc = build_sec_desc(idmap, pntsd, ppntsd, ppntsd_size,
addition_info, &secdesclen, &fattr);
posix_acl_release(fattr.cf_acls);
posix_acl_release(fattr.cf_dacls);
@@ -5414,7 +5397,7 @@ int smb2_echo(struct ksmbd_work *work)
static int smb2_rename(struct ksmbd_work *work,
struct ksmbd_file *fp,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct smb2_file_rename_info *file_info,
struct nls_table *local_nls)
{
@@ -5477,7 +5460,7 @@ static int smb2_rename(struct ksmbd_work *work,
if (rc)
goto out;
- rc = ksmbd_vfs_setxattr(user_ns,
+ rc = ksmbd_vfs_setxattr(idmap,
fp->filp->f_path.dentry,
xattr_stream_name,
NULL, 0, 0);
@@ -5616,7 +5599,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
struct iattr attrs;
struct file *filp;
struct inode *inode;
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
int rc = 0;
if (!(fp->daccess & FILE_WRITE_ATTRIBUTES_LE))
@@ -5625,7 +5608,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
attrs.ia_valid = 0;
filp = fp->filp;
inode = file_inode(filp);
- user_ns = file_mnt_user_ns(filp);
+ idmap = file_mnt_idmap(filp);
if (file_info->CreationTime)
fp->create_time = le64_to_cpu(file_info->CreationTime);
@@ -5669,7 +5652,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
da.flags = XATTR_DOSINFO_ATTRIB | XATTR_DOSINFO_CREATE_TIME |
XATTR_DOSINFO_ITIME;
- rc = ksmbd_vfs_set_dos_attrib_xattr(user_ns,
+ rc = ksmbd_vfs_set_dos_attrib_xattr(idmap,
filp->f_path.dentry, &da);
if (rc)
ksmbd_debug(SMB,
@@ -5687,7 +5670,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
inode_lock(inode);
inode->i_ctime = attrs.ia_ctime;
attrs.ia_valid &= ~ATTR_CTIME;
- rc = notify_change(user_ns, dentry, &attrs, NULL);
+ rc = notify_change(idmap, dentry, &attrs, NULL);
inode_unlock(inode);
}
return rc;
@@ -5780,7 +5763,7 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp,
struct smb2_file_rename_info *rename_info,
unsigned int buf_len)
{
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
struct ksmbd_file *parent_fp;
struct dentry *parent;
struct dentry *dentry = fp->filp->f_path.dentry;
@@ -5795,12 +5778,12 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp,
le32_to_cpu(rename_info->FileNameLength))
return -EINVAL;
- user_ns = file_mnt_user_ns(fp->filp);
+ idmap = file_mnt_idmap(fp->filp);
if (ksmbd_stream_fd(fp))
goto next;
parent = dget_parent(dentry);
- ret = ksmbd_vfs_lock_parent(user_ns, parent, dentry);
+ ret = ksmbd_vfs_lock_parent(idmap, parent, dentry);
if (ret) {
dput(parent);
return ret;
@@ -5819,7 +5802,7 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp,
ksmbd_fd_put(work, parent_fp);
}
next:
- return smb2_rename(work, fp, user_ns, rename_info,
+ return smb2_rename(work, fp, idmap, rename_info,
work->conn->local_nls);
}
@@ -6642,7 +6625,7 @@ int smb2_cancel(struct ksmbd_work *work)
struct ksmbd_conn *conn = work->conn;
struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);
struct smb2_hdr *chdr;
- struct ksmbd_work *cancel_work = NULL, *iter;
+ struct ksmbd_work *iter;
struct list_head *command_list;
ksmbd_debug(SMB, "smb2 cancel called on mid %llu, async flags 0x%x\n",
@@ -6664,7 +6647,9 @@ int smb2_cancel(struct ksmbd_work *work)
"smb2 with AsyncId %llu cancelled command = 0x%x\n",
le64_to_cpu(hdr->Id.AsyncId),
le16_to_cpu(chdr->Command));
- cancel_work = iter;
+ iter->state = KSMBD_WORK_CANCELLED;
+ if (iter->cancel_fn)
+ iter->cancel_fn(iter->cancel_argv);
break;
}
spin_unlock(&conn->request_lock);
@@ -6683,18 +6668,12 @@ int smb2_cancel(struct ksmbd_work *work)
"smb2 with mid %llu cancelled command = 0x%x\n",
le64_to_cpu(hdr->MessageId),
le16_to_cpu(chdr->Command));
- cancel_work = iter;
+ iter->state = KSMBD_WORK_CANCELLED;
break;
}
spin_unlock(&conn->request_lock);
}
- if (cancel_work) {
- cancel_work->state = KSMBD_WORK_CANCELLED;
- if (cancel_work->cancel_fn)
- cancel_work->cancel_fn(cancel_work->cancel_argv);
- }
-
/* For SMB2_CANCEL command itself send no response*/
work->send_no_response = 1;
return 0;
@@ -7059,6 +7038,14 @@ skip:
ksmbd_vfs_posix_lock_wait(flock);
+ spin_lock(&work->conn->request_lock);
+ spin_lock(&fp->f_lock);
+ list_del(&work->fp_entry);
+ work->cancel_fn = NULL;
+ kfree(argv);
+ spin_unlock(&fp->f_lock);
+ spin_unlock(&work->conn->request_lock);
+
if (work->state != KSMBD_WORK_ACTIVE) {
list_del(&smb_lock->llist);
spin_lock(&work->conn->llist_lock);
@@ -7067,9 +7054,6 @@ skip:
locks_free_lock(flock);
if (work->state == KSMBD_WORK_CANCELLED) {
- spin_lock(&fp->f_lock);
- list_del(&work->fp_entry);
- spin_unlock(&fp->f_lock);
rsp->hdr.Status =
STATUS_CANCELLED;
kfree(smb_lock);
@@ -7091,9 +7075,6 @@ skip:
list_del(&smb_lock->clist);
spin_unlock(&work->conn->llist_lock);
- spin_lock(&fp->f_lock);
- list_del(&work->fp_entry);
- spin_unlock(&fp->f_lock);
goto retry;
} else if (!rc) {
spin_lock(&work->conn->llist_lock);
@@ -7528,14 +7509,14 @@ static inline int fsctl_set_sparse(struct ksmbd_work *work, u64 id,
struct file_sparse *sparse)
{
struct ksmbd_file *fp;
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
int ret = 0;
__le32 old_fattr;
fp = ksmbd_lookup_fd_fast(work, id);
if (!fp)
return -ENOENT;
- user_ns = file_mnt_user_ns(fp->filp);
+ idmap = file_mnt_idmap(fp->filp);
old_fattr = fp->f_ci->m_fattr;
if (sparse->SetSparse)
@@ -7548,13 +7529,13 @@ static inline int fsctl_set_sparse(struct ksmbd_work *work, u64 id,
KSMBD_SHARE_FLAG_STORE_DOS_ATTRS)) {
struct xattr_dos_attrib da;
- ret = ksmbd_vfs_get_dos_attrib_xattr(user_ns,
+ ret = ksmbd_vfs_get_dos_attrib_xattr(idmap,
fp->filp->f_path.dentry, &da);
if (ret <= 0)
goto out;
da.attr = le32_to_cpu(fp->f_ci->m_fattr);
- ret = ksmbd_vfs_set_dos_attrib_xattr(user_ns,
+ ret = ksmbd_vfs_set_dos_attrib_xattr(idmap,
fp->filp->f_path.dentry, &da);
if (ret)
fp->f_ci->m_fattr = old_fattr;
@@ -8407,14 +8388,11 @@ int smb3_check_sign_req(struct ksmbd_work *work)
if (le16_to_cpu(hdr->Command) == SMB2_SESSION_SETUP_HE) {
signing_key = work->sess->smb3signingkey;
} else {
- read_lock(&work->sess->chann_lock);
chann = lookup_chann_list(work->sess, conn);
if (!chann) {
- read_unlock(&work->sess->chann_lock);
return 0;
}
signing_key = chann->smb3signingkey;
- read_unlock(&work->sess->chann_lock);
}
if (!signing_key) {
@@ -8474,14 +8452,11 @@ void smb3_set_sign_rsp(struct ksmbd_work *work)
le16_to_cpu(hdr->Command) == SMB2_SESSION_SETUP_HE) {
signing_key = work->sess->smb3signingkey;
} else {
- read_lock(&work->sess->chann_lock);
chann = lookup_chann_list(work->sess, work->conn);
if (!chann) {
- read_unlock(&work->sess->chann_lock);
return;
}
signing_key = chann->smb3signingkey;
- read_unlock(&work->sess->chann_lock);
}
if (!signing_key)
diff --git a/fs/ksmbd/smb_common.c b/fs/ksmbd/smb_common.c
index 2a4fbbd55b91..fa2b54df6ee6 100644
--- a/fs/ksmbd/smb_common.c
+++ b/fs/ksmbd/smb_common.c
@@ -307,7 +307,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
{
int i, rc = 0;
struct ksmbd_conn *conn = work->conn;
- struct user_namespace *user_ns = file_mnt_user_ns(dir->filp);
+ struct mnt_idmap *idmap = file_mnt_idmap(dir->filp);
for (i = 0; i < 2; i++) {
struct kstat kstat;
@@ -333,7 +333,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
ksmbd_kstat.kstat = &kstat;
ksmbd_vfs_fill_dentry_attrs(work,
- user_ns,
+ idmap,
dentry,
&ksmbd_kstat);
rc = fn(conn, info_level, d_info, &ksmbd_kstat);
diff --git a/fs/ksmbd/smbacl.c b/fs/ksmbd/smbacl.c
index ab5c68cc0e13..6d6cfb6957a9 100644
--- a/fs/ksmbd/smbacl.c
+++ b/fs/ksmbd/smbacl.c
@@ -254,7 +254,7 @@ void id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid)
ssid->num_subauth++;
}
-static int sid_to_id(struct user_namespace *user_ns,
+static int sid_to_id(struct mnt_idmap *idmap,
struct smb_sid *psid, uint sidtype,
struct smb_fattr *fattr)
{
@@ -276,7 +276,7 @@ static int sid_to_id(struct user_namespace *user_ns,
id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
uid = KUIDT_INIT(id);
- uid = from_vfsuid(user_ns, &init_user_ns, VFSUIDT_INIT(uid));
+ uid = from_vfsuid(idmap, &init_user_ns, VFSUIDT_INIT(uid));
if (uid_valid(uid)) {
fattr->cf_uid = uid;
rc = 0;
@@ -287,7 +287,7 @@ static int sid_to_id(struct user_namespace *user_ns,
id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
gid = KGIDT_INIT(id);
- gid = from_vfsgid(user_ns, &init_user_ns, VFSGIDT_INIT(gid));
+ gid = from_vfsgid(idmap, &init_user_ns, VFSGIDT_INIT(gid));
if (gid_valid(gid)) {
fattr->cf_gid = gid;
rc = 0;
@@ -362,7 +362,7 @@ void free_acl_state(struct posix_acl_state *state)
kfree(state->groups);
}
-static void parse_dacl(struct user_namespace *user_ns,
+static void parse_dacl(struct mnt_idmap *idmap,
struct smb_acl *pdacl, char *end_of_acl,
struct smb_sid *pownersid, struct smb_sid *pgrpsid,
struct smb_fattr *fattr)
@@ -489,7 +489,7 @@ static void parse_dacl(struct user_namespace *user_ns,
acl_mode = access_flags_to_mode(fattr, ppace[i]->access_req,
ppace[i]->type);
temp_fattr.cf_uid = INVALID_UID;
- ret = sid_to_id(user_ns, &ppace[i]->sid, SIDOWNER, &temp_fattr);
+ ret = sid_to_id(idmap, &ppace[i]->sid, SIDOWNER, &temp_fattr);
if (ret || uid_eq(temp_fattr.cf_uid, INVALID_UID)) {
pr_err("%s: Error %d mapping Owner SID to uid\n",
__func__, ret);
@@ -575,7 +575,7 @@ static void parse_dacl(struct user_namespace *user_ns,
free_acl_state(&default_acl_state);
}
-static void set_posix_acl_entries_dacl(struct user_namespace *user_ns,
+static void set_posix_acl_entries_dacl(struct mnt_idmap *idmap,
struct smb_ace *pndace,
struct smb_fattr *fattr, u32 *num_aces,
u16 *size, u32 nt_aces_num)
@@ -600,14 +600,14 @@ static void set_posix_acl_entries_dacl(struct user_namespace *user_ns,
uid_t uid;
unsigned int sid_type = SIDOWNER;
- uid = posix_acl_uid_translate(user_ns, pace);
+ uid = posix_acl_uid_translate(idmap, pace);
if (!uid)
sid_type = SIDUNIX_USER;
id_to_sid(uid, sid_type, sid);
} else if (pace->e_tag == ACL_GROUP) {
gid_t gid;
- gid = posix_acl_gid_translate(user_ns, pace);
+ gid = posix_acl_gid_translate(idmap, pace);
id_to_sid(gid, SIDUNIX_GROUP, sid);
} else if (pace->e_tag == ACL_OTHER && !nt_aces_num) {
smb_copy_sid(sid, &sid_everyone);
@@ -666,12 +666,12 @@ posix_default_acl:
if (pace->e_tag == ACL_USER) {
uid_t uid;
- uid = posix_acl_uid_translate(user_ns, pace);
+ uid = posix_acl_uid_translate(idmap, pace);
id_to_sid(uid, SIDCREATOR_OWNER, sid);
} else if (pace->e_tag == ACL_GROUP) {
gid_t gid;
- gid = posix_acl_gid_translate(user_ns, pace);
+ gid = posix_acl_gid_translate(idmap, pace);
id_to_sid(gid, SIDCREATOR_GROUP, sid);
} else {
kfree(sid);
@@ -689,7 +689,7 @@ posix_default_acl:
}
}
-static void set_ntacl_dacl(struct user_namespace *user_ns,
+static void set_ntacl_dacl(struct mnt_idmap *idmap,
struct smb_acl *pndacl,
struct smb_acl *nt_dacl,
unsigned int aces_size,
@@ -723,13 +723,13 @@ static void set_ntacl_dacl(struct user_namespace *user_ns,
}
}
- set_posix_acl_entries_dacl(user_ns, pndace, fattr,
+ set_posix_acl_entries_dacl(idmap, pndace, fattr,
&num_aces, &size, nt_num_aces);
pndacl->num_aces = cpu_to_le32(num_aces);
pndacl->size = cpu_to_le16(le16_to_cpu(pndacl->size) + size);
}
-static void set_mode_dacl(struct user_namespace *user_ns,
+static void set_mode_dacl(struct mnt_idmap *idmap,
struct smb_acl *pndacl, struct smb_fattr *fattr)
{
struct smb_ace *pace, *pndace;
@@ -741,7 +741,7 @@ static void set_mode_dacl(struct user_namespace *user_ns,
pace = pndace = (struct smb_ace *)((char *)pndacl + sizeof(struct smb_acl));
if (fattr->cf_acls) {
- set_posix_acl_entries_dacl(user_ns, pndace, fattr,
+ set_posix_acl_entries_dacl(idmap, pndace, fattr,
&num_aces, &size, num_aces);
goto out;
}
@@ -808,7 +808,7 @@ static int parse_sid(struct smb_sid *psid, char *end_of_acl)
}
/* Convert CIFS ACL to POSIX form */
-int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
+int parse_sec_desc(struct mnt_idmap *idmap, struct smb_ntsd *pntsd,
int acl_len, struct smb_fattr *fattr)
{
int rc = 0;
@@ -851,7 +851,7 @@ int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
return rc;
}
- rc = sid_to_id(user_ns, owner_sid_ptr, SIDOWNER, fattr);
+ rc = sid_to_id(idmap, owner_sid_ptr, SIDOWNER, fattr);
if (rc) {
pr_err("%s: Error %d mapping Owner SID to uid\n",
__func__, rc);
@@ -866,7 +866,7 @@ int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
__func__, rc);
return rc;
}
- rc = sid_to_id(user_ns, group_sid_ptr, SIDUNIX_GROUP, fattr);
+ rc = sid_to_id(idmap, group_sid_ptr, SIDUNIX_GROUP, fattr);
if (rc) {
pr_err("%s: Error %d mapping Group SID to gid\n",
__func__, rc);
@@ -881,7 +881,7 @@ int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
pntsd->type |= cpu_to_le16(DACL_PROTECTED);
if (dacloffset) {
- parse_dacl(user_ns, dacl_ptr, end_of_acl,
+ parse_dacl(idmap, dacl_ptr, end_of_acl,
owner_sid_ptr, group_sid_ptr, fattr);
}
@@ -889,7 +889,7 @@ int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
}
/* Convert permission bits from mode to equivalent CIFS ACL */
-int build_sec_desc(struct user_namespace *user_ns,
+int build_sec_desc(struct mnt_idmap *idmap,
struct smb_ntsd *pntsd, struct smb_ntsd *ppntsd,
int ppntsd_size, int addition_info, __u32 *secdesclen,
struct smb_fattr *fattr)
@@ -950,7 +950,7 @@ int build_sec_desc(struct user_namespace *user_ns,
dacl_ptr->num_aces = 0;
if (!ppntsd) {
- set_mode_dacl(user_ns, dacl_ptr, fattr);
+ set_mode_dacl(idmap, dacl_ptr, fattr);
} else {
struct smb_acl *ppdacl_ptr;
unsigned int dacl_offset = le32_to_cpu(ppntsd->dacloffset);
@@ -966,7 +966,7 @@ int build_sec_desc(struct user_namespace *user_ns,
ppdacl_size < sizeof(struct smb_acl))
goto out;
- set_ntacl_dacl(user_ns, dacl_ptr, ppdacl_ptr,
+ set_ntacl_dacl(idmap, dacl_ptr, ppdacl_ptr,
ntacl_size - sizeof(struct smb_acl),
nowner_sid_ptr, ngroup_sid_ptr,
fattr);
@@ -1002,13 +1002,13 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
struct smb_ntsd *parent_pntsd = NULL;
struct smb_sid owner_sid, group_sid;
struct dentry *parent = path->dentry->d_parent;
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
int inherited_flags = 0, flags = 0, i, ace_cnt = 0, nt_size = 0, pdacl_size;
int rc = 0, num_aces, dacloffset, pntsd_type, pntsd_size, acl_len, aces_size;
char *aces_base;
bool is_dir = S_ISDIR(d_inode(path->dentry)->i_mode);
- pntsd_size = ksmbd_vfs_get_sd_xattr(conn, user_ns,
+ pntsd_size = ksmbd_vfs_get_sd_xattr(conn, idmap,
parent, &parent_pntsd);
if (pntsd_size <= 0)
return -ENOENT;
@@ -1162,7 +1162,7 @@ pass:
pntsd_size += sizeof(struct smb_acl) + nt_size;
}
- ksmbd_vfs_set_sd_xattr(conn, user_ns,
+ ksmbd_vfs_set_sd_xattr(conn, idmap,
path->dentry, pntsd, pntsd_size);
kfree(pntsd);
}
@@ -1190,7 +1190,7 @@ bool smb_inherit_flags(int flags, bool is_dir)
int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
__le32 *pdaccess, int uid)
{
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
struct smb_ntsd *pntsd = NULL;
struct smb_acl *pdacl;
struct posix_acl *posix_acls;
@@ -1206,7 +1206,7 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
unsigned short ace_size;
ksmbd_debug(SMB, "check permission using windows acl\n");
- pntsd_size = ksmbd_vfs_get_sd_xattr(conn, user_ns,
+ pntsd_size = ksmbd_vfs_get_sd_xattr(conn, idmap,
path->dentry, &pntsd);
if (pntsd_size <= 0 || !pntsd)
goto err_out;
@@ -1296,9 +1296,9 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
pa_entry = posix_acls->a_entries;
for (i = 0; i < posix_acls->a_count; i++, pa_entry++) {
if (pa_entry->e_tag == ACL_USER)
- id = posix_acl_uid_translate(user_ns, pa_entry);
+ id = posix_acl_uid_translate(idmap, pa_entry);
else if (pa_entry->e_tag == ACL_GROUP)
- id = posix_acl_gid_translate(user_ns, pa_entry);
+ id = posix_acl_gid_translate(idmap, pa_entry);
else
continue;
@@ -1360,14 +1360,14 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
int rc;
struct smb_fattr fattr = {{0}};
struct inode *inode = d_inode(path->dentry);
- struct user_namespace *user_ns = mnt_user_ns(path->mnt);
+ struct mnt_idmap *idmap = mnt_idmap(path->mnt);
struct iattr newattrs;
fattr.cf_uid = INVALID_UID;
fattr.cf_gid = INVALID_GID;
fattr.cf_mode = inode->i_mode;
- rc = parse_sec_desc(user_ns, pntsd, ntsd_len, &fattr);
+ rc = parse_sec_desc(idmap, pntsd, ntsd_len, &fattr);
if (rc)
goto out;
@@ -1383,17 +1383,17 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
newattrs.ia_valid |= ATTR_MODE;
newattrs.ia_mode = (inode->i_mode & ~0777) | (fattr.cf_mode & 0777);
- ksmbd_vfs_remove_acl_xattrs(user_ns, path->dentry);
+ ksmbd_vfs_remove_acl_xattrs(idmap, path->dentry);
/* Update posix acls */
if (IS_ENABLED(CONFIG_FS_POSIX_ACL) && fattr.cf_dacls) {
- rc = set_posix_acl(user_ns, path->dentry,
+ rc = set_posix_acl(idmap, path->dentry,
ACL_TYPE_ACCESS, fattr.cf_acls);
if (rc < 0)
ksmbd_debug(SMB,
"Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",
rc);
if (S_ISDIR(inode->i_mode) && fattr.cf_dacls) {
- rc = set_posix_acl(user_ns, path->dentry,
+ rc = set_posix_acl(idmap, path->dentry,
ACL_TYPE_DEFAULT, fattr.cf_dacls);
if (rc)
ksmbd_debug(SMB,
@@ -1403,7 +1403,7 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
}
inode_lock(inode);
- rc = notify_change(user_ns, path->dentry, &newattrs, NULL);
+ rc = notify_change(idmap, path->dentry, &newattrs, NULL);
inode_unlock(inode);
if (rc)
goto out;
@@ -1414,8 +1414,8 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
if (test_share_config_flag(tcon->share_conf, KSMBD_SHARE_FLAG_ACL_XATTR)) {
/* Update WinACL in xattr */
- ksmbd_vfs_remove_sd_xattrs(user_ns, path->dentry);
- ksmbd_vfs_set_sd_xattr(conn, user_ns,
+ ksmbd_vfs_remove_sd_xattrs(idmap, path->dentry);
+ ksmbd_vfs_set_sd_xattr(conn, idmap,
path->dentry, pntsd, ntsd_len);
}
diff --git a/fs/ksmbd/smbacl.h b/fs/ksmbd/smbacl.h
index 618f2e0236b3..49a8c292bd2e 100644
--- a/fs/ksmbd/smbacl.h
+++ b/fs/ksmbd/smbacl.h
@@ -190,9 +190,9 @@ struct posix_acl_state {
struct posix_ace_state_array *groups;
};
-int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
+int parse_sec_desc(struct mnt_idmap *idmap, struct smb_ntsd *pntsd,
int acl_len, struct smb_fattr *fattr);
-int build_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
+int build_sec_desc(struct mnt_idmap *idmap, struct smb_ntsd *pntsd,
struct smb_ntsd *ppntsd, int ppntsd_size, int addition_info,
__u32 *secdesclen, struct smb_fattr *fattr);
int init_acl_state(struct posix_acl_state *state, int cnt);
@@ -211,25 +211,25 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
void id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid);
void ksmbd_init_domain(u32 *sub_auth);
-static inline uid_t posix_acl_uid_translate(struct user_namespace *mnt_userns,
+static inline uid_t posix_acl_uid_translate(struct mnt_idmap *idmap,
struct posix_acl_entry *pace)
{
vfsuid_t vfsuid;
/* If this is an idmapped mount, apply the idmapping. */
- vfsuid = make_vfsuid(mnt_userns, &init_user_ns, pace->e_uid);
+ vfsuid = make_vfsuid(idmap, &init_user_ns, pace->e_uid);
/* Translate the kuid into a userspace id ksmbd would see. */
return from_kuid(&init_user_ns, vfsuid_into_kuid(vfsuid));
}
-static inline gid_t posix_acl_gid_translate(struct user_namespace *mnt_userns,
+static inline gid_t posix_acl_gid_translate(struct mnt_idmap *idmap,
struct posix_acl_entry *pace)
{
vfsgid_t vfsgid;
/* If this is an idmapped mount, apply the idmapping. */
- vfsgid = make_vfsgid(mnt_userns, &init_user_ns, pace->e_gid);
+ vfsgid = make_vfsgid(idmap, &init_user_ns, pace->e_gid);
/* Translate the kgid into a userspace id ksmbd would see. */
return from_kgid(&init_user_ns, vfsgid_into_kgid(vfsgid));
diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c
index ff0e7a4fcd4d..5ea9229dad2c 100644
--- a/fs/ksmbd/vfs.c
+++ b/fs/ksmbd/vfs.c
@@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include <linux/fs.h>
+#include <linux/filelock.h>
#include <linux/uaccess.h>
#include <linux/backing-dev.h>
#include <linux/writeback.h>
@@ -69,14 +70,14 @@ static void ksmbd_vfs_inherit_owner(struct ksmbd_work *work,
*
* the reference count of @parent isn't incremented.
*/
-int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent,
+int ksmbd_vfs_lock_parent(struct mnt_idmap *idmap, struct dentry *parent,
struct dentry *child)
{
struct dentry *dentry;
int ret = 0;
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
- dentry = lookup_one(user_ns, child->d_name.name, parent,
+ dentry = lookup_one(idmap, child->d_name.name, parent,
child->d_name.len);
if (IS_ERR(dentry)) {
ret = PTR_ERR(dentry);
@@ -96,20 +97,20 @@ out_err:
return ret;
}
-int ksmbd_vfs_may_delete(struct user_namespace *user_ns,
+int ksmbd_vfs_may_delete(struct mnt_idmap *idmap,
struct dentry *dentry)
{
struct dentry *parent;
int ret;
parent = dget_parent(dentry);
- ret = ksmbd_vfs_lock_parent(user_ns, parent, dentry);
+ ret = ksmbd_vfs_lock_parent(idmap, parent, dentry);
if (ret) {
dput(parent);
return ret;
}
- ret = inode_permission(user_ns, d_inode(parent),
+ ret = inode_permission(idmap, d_inode(parent),
MAY_EXEC | MAY_WRITE);
inode_unlock(d_inode(parent));
@@ -117,7 +118,7 @@ int ksmbd_vfs_may_delete(struct user_namespace *user_ns,
return ret;
}
-int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
+int ksmbd_vfs_query_maximal_access(struct mnt_idmap *idmap,
struct dentry *dentry, __le32 *daccess)
{
struct dentry *parent;
@@ -125,26 +126,26 @@ int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
*daccess = cpu_to_le32(FILE_READ_ATTRIBUTES | READ_CONTROL);
- if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_WRITE))
+ if (!inode_permission(idmap, d_inode(dentry), MAY_OPEN | MAY_WRITE))
*daccess |= cpu_to_le32(WRITE_DAC | WRITE_OWNER | SYNCHRONIZE |
FILE_WRITE_DATA | FILE_APPEND_DATA |
FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES |
FILE_DELETE_CHILD);
- if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_READ))
+ if (!inode_permission(idmap, d_inode(dentry), MAY_OPEN | MAY_READ))
*daccess |= FILE_READ_DATA_LE | FILE_READ_EA_LE;
- if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_EXEC))
+ if (!inode_permission(idmap, d_inode(dentry), MAY_OPEN | MAY_EXEC))
*daccess |= FILE_EXECUTE_LE;
parent = dget_parent(dentry);
- ret = ksmbd_vfs_lock_parent(user_ns, parent, dentry);
+ ret = ksmbd_vfs_lock_parent(idmap, parent, dentry);
if (ret) {
dput(parent);
return ret;
}
- if (!inode_permission(user_ns, d_inode(parent), MAY_EXEC | MAY_WRITE))
+ if (!inode_permission(idmap, d_inode(parent), MAY_EXEC | MAY_WRITE))
*daccess |= FILE_DELETE_LE;
inode_unlock(d_inode(parent));
@@ -177,7 +178,7 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode)
}
mode |= S_IFREG;
- err = vfs_create(mnt_user_ns(path.mnt), d_inode(path.dentry),
+ err = vfs_create(mnt_idmap(path.mnt), d_inode(path.dentry),
dentry, mode, true);
if (!err) {
ksmbd_vfs_inherit_owner(work, d_inode(path.dentry),
@@ -199,7 +200,7 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode)
*/
int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
{
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
struct path path;
struct dentry *dentry;
int err;
@@ -215,15 +216,15 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
return err;
}
- user_ns = mnt_user_ns(path.mnt);
+ idmap = mnt_idmap(path.mnt);
mode |= S_IFDIR;
- err = vfs_mkdir(user_ns, d_inode(path.dentry), dentry, mode);
+ err = vfs_mkdir(idmap, d_inode(path.dentry), dentry, mode);
if (err) {
goto out;
} else if (d_unhashed(dentry)) {
struct dentry *d;
- d = lookup_one(user_ns, dentry->d_name.name, dentry->d_parent,
+ d = lookup_one(idmap, dentry->d_name.name, dentry->d_parent,
dentry->d_name.len);
if (IS_ERR(d)) {
err = PTR_ERR(d);
@@ -245,7 +246,7 @@ out:
return err;
}
-static ssize_t ksmbd_vfs_getcasexattr(struct user_namespace *user_ns,
+static ssize_t ksmbd_vfs_getcasexattr(struct mnt_idmap *idmap,
struct dentry *dentry, char *attr_name,
int attr_name_len, char **attr_value)
{
@@ -262,7 +263,7 @@ static ssize_t ksmbd_vfs_getcasexattr(struct user_namespace *user_ns,
if (strncasecmp(attr_name, name, attr_name_len))
continue;
- value_len = ksmbd_vfs_getxattr(user_ns,
+ value_len = ksmbd_vfs_getxattr(idmap,
dentry,
name,
attr_value);
@@ -285,7 +286,7 @@ static int ksmbd_vfs_stream_read(struct ksmbd_file *fp, char *buf, loff_t *pos,
ksmbd_debug(VFS, "read stream data pos : %llu, count : %zd\n",
*pos, count);
- v_len = ksmbd_vfs_getcasexattr(file_mnt_user_ns(fp->filp),
+ v_len = ksmbd_vfs_getcasexattr(file_mnt_idmap(fp->filp),
fp->filp->f_path.dentry,
fp->stream.name,
fp->stream.size,
@@ -409,7 +410,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
size_t count)
{
char *stream_buf = NULL, *wbuf;
- struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
+ struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
size_t size, v_len;
int err = 0;
@@ -422,7 +423,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
count = (*pos + count) - XATTR_SIZE_MAX;
}
- v_len = ksmbd_vfs_getcasexattr(user_ns,
+ v_len = ksmbd_vfs_getcasexattr(idmap,
fp->filp->f_path.dentry,
fp->stream.name,
fp->stream.size,
@@ -448,7 +449,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
memcpy(&stream_buf[*pos], buf, count);
- err = ksmbd_vfs_setxattr(user_ns,
+ err = ksmbd_vfs_setxattr(idmap,
fp->filp->f_path.dentry,
fp->stream.name,
(void *)stream_buf,
@@ -583,7 +584,7 @@ int ksmbd_vfs_fsync(struct ksmbd_work *work, u64 fid, u64 p_id)
*/
int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
{
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
struct path path;
struct dentry *parent;
int err;
@@ -598,9 +599,9 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
return err;
}
- user_ns = mnt_user_ns(path.mnt);
+ idmap = mnt_idmap(path.mnt);
parent = dget_parent(path.dentry);
- err = ksmbd_vfs_lock_parent(user_ns, parent, path.dentry);
+ err = ksmbd_vfs_lock_parent(idmap, parent, path.dentry);
if (err) {
dput(parent);
path_put(&path);
@@ -614,12 +615,12 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
}
if (S_ISDIR(d_inode(path.dentry)->i_mode)) {
- err = vfs_rmdir(user_ns, d_inode(parent), path.dentry);
+ err = vfs_rmdir(idmap, d_inode(parent), path.dentry);
if (err && err != -ENOTEMPTY)
ksmbd_debug(VFS, "%s: rmdir failed, err %d\n", name,
err);
} else {
- err = vfs_unlink(user_ns, d_inode(parent), path.dentry, NULL);
+ err = vfs_unlink(idmap, d_inode(parent), path.dentry, NULL);
if (err)
ksmbd_debug(VFS, "%s: unlink failed, err %d\n", name,
err);
@@ -672,7 +673,7 @@ int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname,
goto out3;
}
- err = vfs_link(oldpath.dentry, mnt_user_ns(newpath.mnt),
+ err = vfs_link(oldpath.dentry, mnt_idmap(newpath.mnt),
d_inode(newpath.dentry),
dentry, NULL);
if (err)
@@ -711,10 +712,10 @@ static int ksmbd_validate_entry_in_use(struct dentry *src_dent)
}
static int __ksmbd_vfs_rename(struct ksmbd_work *work,
- struct user_namespace *src_user_ns,
+ struct mnt_idmap *src_idmap,
struct dentry *src_dent_parent,
struct dentry *src_dent,
- struct user_namespace *dst_user_ns,
+ struct mnt_idmap *dst_idmap,
struct dentry *dst_dent_parent,
struct dentry *trap_dent,
char *dst_name)
@@ -740,8 +741,8 @@ static int __ksmbd_vfs_rename(struct ksmbd_work *work,
if (ksmbd_override_fsids(work))
return -ENOMEM;
- dst_dent = lookup_one(dst_user_ns, dst_name, dst_dent_parent,
- strlen(dst_name));
+ dst_dent = lookup_one(dst_idmap, dst_name,
+ dst_dent_parent, strlen(dst_name));
err = PTR_ERR(dst_dent);
if (IS_ERR(dst_dent)) {
pr_err("lookup failed %s [%d]\n", dst_name, err);
@@ -751,10 +752,10 @@ static int __ksmbd_vfs_rename(struct ksmbd_work *work,
err = -ENOTEMPTY;
if (dst_dent != trap_dent && !d_really_is_positive(dst_dent)) {
struct renamedata rd = {
- .old_mnt_userns = src_user_ns,
+ .old_mnt_idmap = src_idmap,
.old_dir = d_inode(src_dent_parent),
.old_dentry = src_dent,
- .new_mnt_userns = dst_user_ns,
+ .new_mnt_idmap = dst_idmap,
.new_dir = d_inode(dst_dent_parent),
.new_dentry = dst_dent,
};
@@ -772,7 +773,7 @@ out:
int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
char *newname)
{
- struct user_namespace *user_ns;
+ struct mnt_idmap *idmap;
struct path dst_path;
struct dentry *src_dent_parent, *dst_dent_parent;
struct dentry *src_dent, *trap_dent, *src_child;
@@ -800,8 +801,8 @@ int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
trap_dent = lock_rename(src_dent_parent, dst_dent_parent);
dget(src_dent);
dget(dst_dent_parent);
- user_ns = file_mnt_user_ns(fp->filp);
- src_child = lookup_one(user_ns, src_dent->d_name.name, src_dent_parent,
+ idmap = file_mnt_idmap(fp->filp);
+ src_child = lookup_one(idmap, src_dent->d_name.name, src_dent_parent,
src_dent->d_name.len);
if (IS_ERR(src_child)) {
err = PTR_ERR(src_child);
@@ -816,10 +817,10 @@ int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
dput(src_child);
err = __ksmbd_vfs_rename(work,
- user_ns,
+ idmap,
src_dent_parent,
src_dent,
- mnt_user_ns(dst_path.mnt),
+ mnt_idmap(dst_path.mnt),
dst_dent_parent,
trap_dent,
dst_name);
@@ -907,22 +908,22 @@ ssize_t ksmbd_vfs_listxattr(struct dentry *dentry, char **list)
return size;
}
-static ssize_t ksmbd_vfs_xattr_len(struct user_namespace *user_ns,
+static ssize_t ksmbd_vfs_xattr_len(struct mnt_idmap *idmap,
struct dentry *dentry, char *xattr_name)
{
- return vfs_getxattr(user_ns, dentry, xattr_name, NULL, 0);
+ return vfs_getxattr(idmap, dentry, xattr_name, NULL, 0);
}
/**
* ksmbd_vfs_getxattr() - vfs helper for smb get extended attributes value
- * @user_ns: user namespace
+ * @idmap: idmap
* @dentry: dentry of file for getting xattrs
* @xattr_name: name of xattr name to query
* @xattr_buf: destination buffer xattr value
*
* Return: read xattr value length on success, otherwise error
*/
-ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
+ssize_t ksmbd_vfs_getxattr(struct mnt_idmap *idmap,
struct dentry *dentry,
char *xattr_name, char **xattr_buf)
{
@@ -930,7 +931,7 @@ ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
char *buf;
*xattr_buf = NULL;
- xattr_len = ksmbd_vfs_xattr_len(user_ns, dentry, xattr_name);
+ xattr_len = ksmbd_vfs_xattr_len(idmap, dentry, xattr_name);
if (xattr_len < 0)
return xattr_len;
@@ -938,7 +939,7 @@ ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
if (!buf)
return -ENOMEM;
- xattr_len = vfs_getxattr(user_ns, dentry, xattr_name,
+ xattr_len = vfs_getxattr(idmap, dentry, xattr_name,
(void *)buf, xattr_len);
if (xattr_len > 0)
*xattr_buf = buf;
@@ -949,22 +950,22 @@ ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
/**
* ksmbd_vfs_setxattr() - vfs helper for smb set extended attributes value
- * @user_ns: user namespace
+ * @idmap: idmap of the relevant mount
* @dentry: dentry to set XATTR at
- * @name: xattr name for setxattr
- * @value: xattr value to set
- * @size: size of xattr value
+ * @attr_name: xattr name for setxattr
+ * @attr_value: xattr value to set
+ * @attr_size: size of xattr value
* @flags: destination buffer length
*
* Return: 0 on success, otherwise error
*/
-int ksmbd_vfs_setxattr(struct user_namespace *user_ns,
+int ksmbd_vfs_setxattr(struct mnt_idmap *idmap,
struct dentry *dentry, const char *attr_name,
void *attr_value, size_t attr_size, int flags)
{
int err;
- err = vfs_setxattr(user_ns,
+ err = vfs_setxattr(idmap,
dentry,
attr_name,
attr_value,
@@ -1074,26 +1075,26 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
return ret;
}
-int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap,
struct dentry *dentry, char *attr_name)
{
- return vfs_removexattr(user_ns, dentry, attr_name);
+ return vfs_removexattr(idmap, dentry, attr_name);
}
-int ksmbd_vfs_unlink(struct user_namespace *user_ns,
+int ksmbd_vfs_unlink(struct mnt_idmap *idmap,
struct dentry *dir, struct dentry *dentry)
{
int err = 0;
- err = ksmbd_vfs_lock_parent(user_ns, dir, dentry);
+ err = ksmbd_vfs_lock_parent(idmap, dir, dentry);
if (err)
return err;
dget(dentry);
if (S_ISDIR(d_inode(dentry)->i_mode))
- err = vfs_rmdir(user_ns, d_inode(dir), dentry);
+ err = vfs_rmdir(idmap, d_inode(dir), dentry);
else
- err = vfs_unlink(user_ns, d_inode(dir), dentry, NULL);
+ err = vfs_unlink(idmap, d_inode(dir), dentry, NULL);
dput(dentry);
inode_unlock(d_inode(dir));
@@ -1298,7 +1299,7 @@ struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work,
return dent;
}
-int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_acl_xattrs(struct mnt_idmap *idmap,
struct dentry *dentry)
{
char *name, *xattr_list = NULL;
@@ -1321,7 +1322,7 @@ int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1) ||
!strncmp(name, XATTR_NAME_POSIX_ACL_DEFAULT,
sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1)) {
- err = vfs_remove_acl(user_ns, dentry, name);
+ err = vfs_remove_acl(idmap, dentry, name);
if (err)
ksmbd_debug(SMB,
"remove acl xattr failed : %s\n", name);
@@ -1332,7 +1333,7 @@ out:
return err;
}
-int ksmbd_vfs_remove_sd_xattrs(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_sd_xattrs(struct mnt_idmap *idmap,
struct dentry *dentry)
{
char *name, *xattr_list = NULL;
@@ -1352,7 +1353,7 @@ int ksmbd_vfs_remove_sd_xattrs(struct user_namespace *user_ns,
ksmbd_debug(SMB, "%s, len %zd\n", name, strlen(name));
if (!strncmp(name, XATTR_NAME_SD, XATTR_NAME_SD_LEN)) {
- err = ksmbd_vfs_remove_xattr(user_ns, dentry, name);
+ err = ksmbd_vfs_remove_xattr(idmap, dentry, name);
if (err)
ksmbd_debug(SMB, "remove xattr failed : %s\n", name);
}
@@ -1362,7 +1363,7 @@ out:
return err;
}
-static struct xattr_smb_acl *ksmbd_vfs_make_xattr_posix_acl(struct user_namespace *user_ns,
+static struct xattr_smb_acl *ksmbd_vfs_make_xattr_posix_acl(struct mnt_idmap *idmap,
struct inode *inode,
int acl_type)
{
@@ -1392,14 +1393,14 @@ static struct xattr_smb_acl *ksmbd_vfs_make_xattr_posix_acl(struct user_namespac
switch (pa_entry->e_tag) {
case ACL_USER:
xa_entry->type = SMB_ACL_USER;
- xa_entry->uid = posix_acl_uid_translate(user_ns, pa_entry);
+ xa_entry->uid = posix_acl_uid_translate(idmap, pa_entry);
break;
case ACL_USER_OBJ:
xa_entry->type = SMB_ACL_USER_OBJ;
break;
case ACL_GROUP:
xa_entry->type = SMB_ACL_GROUP;
- xa_entry->gid = posix_acl_gid_translate(user_ns, pa_entry);
+ xa_entry->gid = posix_acl_gid_translate(idmap, pa_entry);
break;
case ACL_GROUP_OBJ:
xa_entry->type = SMB_ACL_GROUP_OBJ;
@@ -1428,7 +1429,7 @@ out:
}
int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct smb_ntsd *pntsd, int len)
{
@@ -1461,13 +1462,13 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
return rc;
}
- smb_acl = ksmbd_vfs_make_xattr_posix_acl(user_ns, inode,
+ smb_acl = ksmbd_vfs_make_xattr_posix_acl(idmap, inode,
ACL_TYPE_ACCESS);
if (S_ISDIR(inode->i_mode))
- def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(user_ns, inode,
+ def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(idmap, inode,
ACL_TYPE_DEFAULT);
- rc = ndr_encode_posix_acl(&acl_ndr, user_ns, inode,
+ rc = ndr_encode_posix_acl(&acl_ndr, idmap, inode,
smb_acl, def_smb_acl);
if (rc) {
pr_err("failed to encode ndr to posix acl\n");
@@ -1487,7 +1488,7 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
goto out;
}
- rc = ksmbd_vfs_setxattr(user_ns, dentry,
+ rc = ksmbd_vfs_setxattr(idmap, dentry,
XATTR_NAME_SD, sd_ndr.data,
sd_ndr.offset, 0);
if (rc < 0)
@@ -1502,7 +1503,7 @@ out:
}
int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct smb_ntsd **pntsd)
{
@@ -1514,7 +1515,7 @@ int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
struct xattr_smb_acl *smb_acl = NULL, *def_smb_acl = NULL;
__u8 cmp_hash[XATTR_SD_HASH_SIZE] = {0};
- rc = ksmbd_vfs_getxattr(user_ns, dentry, XATTR_NAME_SD, &n.data);
+ rc = ksmbd_vfs_getxattr(idmap, dentry, XATTR_NAME_SD, &n.data);
if (rc <= 0)
return rc;
@@ -1523,13 +1524,13 @@ int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
if (rc)
goto free_n_data;
- smb_acl = ksmbd_vfs_make_xattr_posix_acl(user_ns, inode,
+ smb_acl = ksmbd_vfs_make_xattr_posix_acl(idmap, inode,
ACL_TYPE_ACCESS);
if (S_ISDIR(inode->i_mode))
- def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(user_ns, inode,
+ def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(idmap, inode,
ACL_TYPE_DEFAULT);
- rc = ndr_encode_posix_acl(&acl_ndr, user_ns, inode, smb_acl,
+ rc = ndr_encode_posix_acl(&acl_ndr, idmap, inode, smb_acl,
def_smb_acl);
if (rc) {
pr_err("failed to encode ndr to posix acl\n");
@@ -1576,7 +1577,7 @@ free_n_data:
return rc;
}
-int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_set_dos_attrib_xattr(struct mnt_idmap *idmap,
struct dentry *dentry,
struct xattr_dos_attrib *da)
{
@@ -1587,7 +1588,7 @@ int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
if (err)
return err;
- err = ksmbd_vfs_setxattr(user_ns, dentry, XATTR_NAME_DOS_ATTRIBUTE,
+ err = ksmbd_vfs_setxattr(idmap, dentry, XATTR_NAME_DOS_ATTRIBUTE,
(void *)n.data, n.offset, 0);
if (err)
ksmbd_debug(SMB, "failed to store dos attribute in xattr\n");
@@ -1596,14 +1597,14 @@ int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
return err;
}
-int ksmbd_vfs_get_dos_attrib_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_get_dos_attrib_xattr(struct mnt_idmap *idmap,
struct dentry *dentry,
struct xattr_dos_attrib *da)
{
struct ndr n;
int err;
- err = ksmbd_vfs_getxattr(user_ns, dentry, XATTR_NAME_DOS_ATTRIBUTE,
+ err = ksmbd_vfs_getxattr(idmap, dentry, XATTR_NAME_DOS_ATTRIBUTE,
(char **)&n.data);
if (err > 0) {
n.length = err;
@@ -1650,14 +1651,14 @@ void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat)
}
int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct ksmbd_kstat *ksmbd_kstat)
{
u64 time;
int rc;
- generic_fillattr(user_ns, d_inode(dentry), ksmbd_kstat->kstat);
+ generic_fillattr(idmap, d_inode(dentry), ksmbd_kstat->kstat);
time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime);
ksmbd_kstat->create_time = time;
@@ -1675,7 +1676,7 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
KSMBD_SHARE_FLAG_STORE_DOS_ATTRS)) {
struct xattr_dos_attrib da;
- rc = ksmbd_vfs_get_dos_attrib_xattr(user_ns, dentry, &da);
+ rc = ksmbd_vfs_get_dos_attrib_xattr(idmap, dentry, &da);
if (rc > 0) {
ksmbd_kstat->file_attributes = cpu_to_le32(da.attr);
ksmbd_kstat->create_time = da.create_time;
@@ -1687,7 +1688,7 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
return 0;
}
-ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
+ssize_t ksmbd_vfs_casexattr_len(struct mnt_idmap *idmap,
struct dentry *dentry, char *attr_name,
int attr_name_len)
{
@@ -1704,7 +1705,7 @@ ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
if (strncasecmp(attr_name, name, attr_name_len))
continue;
- value_len = ksmbd_vfs_xattr_len(user_ns, dentry, name);
+ value_len = ksmbd_vfs_xattr_len(idmap, dentry, name);
break;
}
@@ -1823,7 +1824,7 @@ void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock)
locks_delete_block(flock);
}
-int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
+int ksmbd_vfs_set_init_posix_acl(struct mnt_idmap *idmap,
struct dentry *dentry)
{
struct posix_acl_state acl_state;
@@ -1857,13 +1858,13 @@ int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
return -ENOMEM;
}
posix_state_to_acl(&acl_state, acls->a_entries);
- rc = set_posix_acl(user_ns, dentry, ACL_TYPE_ACCESS, acls);
+ rc = set_posix_acl(idmap, dentry, ACL_TYPE_ACCESS, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",
rc);
else if (S_ISDIR(inode->i_mode)) {
posix_state_to_acl(&acl_state, acls->a_entries);
- rc = set_posix_acl(user_ns, dentry, ACL_TYPE_DEFAULT, acls);
+ rc = set_posix_acl(idmap, dentry, ACL_TYPE_DEFAULT, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",
rc);
@@ -1873,7 +1874,7 @@ int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
return rc;
}
-int ksmbd_vfs_inherit_posix_acl(struct user_namespace *user_ns,
+int ksmbd_vfs_inherit_posix_acl(struct mnt_idmap *idmap,
struct dentry *dentry, struct inode *parent_inode)
{
struct posix_acl *acls;
@@ -1896,12 +1897,12 @@ int ksmbd_vfs_inherit_posix_acl(struct user_namespace *user_ns,
}
}
- rc = set_posix_acl(user_ns, dentry, ACL_TYPE_ACCESS, acls);
+ rc = set_posix_acl(idmap, dentry, ACL_TYPE_ACCESS, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",
rc);
if (S_ISDIR(inode->i_mode)) {
- rc = set_posix_acl(user_ns, dentry, ACL_TYPE_DEFAULT,
+ rc = set_posix_acl(idmap, dentry, ACL_TYPE_DEFAULT,
acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",
diff --git a/fs/ksmbd/vfs.h b/fs/ksmbd/vfs.h
index 0d73d735cc39..9d676ab0cd25 100644
--- a/fs/ksmbd/vfs.h
+++ b/fs/ksmbd/vfs.h
@@ -71,10 +71,10 @@ struct ksmbd_kstat {
__le32 file_attributes;
};
-int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent,
+int ksmbd_vfs_lock_parent(struct mnt_idmap *idmap, struct dentry *parent,
struct dentry *child);
-int ksmbd_vfs_may_delete(struct user_namespace *user_ns, struct dentry *dentry);
-int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
+int ksmbd_vfs_may_delete(struct mnt_idmap *idmap, struct dentry *dentry);
+int ksmbd_vfs_query_maximal_access(struct mnt_idmap *idmap,
struct dentry *dentry, __le32 *daccess);
int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode);
int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode);
@@ -102,19 +102,19 @@ int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
unsigned int *chunk_size_written,
loff_t *total_size_written);
ssize_t ksmbd_vfs_listxattr(struct dentry *dentry, char **list);
-ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
+ssize_t ksmbd_vfs_getxattr(struct mnt_idmap *idmap,
struct dentry *dentry,
char *xattr_name,
char **xattr_buf);
-ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
+ssize_t ksmbd_vfs_casexattr_len(struct mnt_idmap *idmap,
struct dentry *dentry, char *attr_name,
int attr_name_len);
-int ksmbd_vfs_setxattr(struct user_namespace *user_ns,
+int ksmbd_vfs_setxattr(struct mnt_idmap *idmap,
struct dentry *dentry, const char *attr_name,
void *attr_value, size_t attr_size, int flags);
int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
size_t *xattr_stream_name_size, int s_type);
-int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap,
struct dentry *dentry, char *attr_name);
int ksmbd_vfs_kern_path(struct ksmbd_work *work,
char *name, unsigned int flags, struct path *path,
@@ -131,37 +131,37 @@ struct file_allocated_range_buffer;
int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
struct file_allocated_range_buffer *ranges,
unsigned int in_count, unsigned int *out_count);
-int ksmbd_vfs_unlink(struct user_namespace *user_ns,
- struct dentry *dir, struct dentry *dentry);
+int ksmbd_vfs_unlink(struct mnt_idmap *idmap, struct dentry *dir,
+ struct dentry *dentry);
void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat);
int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct ksmbd_kstat *ksmbd_kstat);
void ksmbd_vfs_posix_lock_wait(struct file_lock *flock);
int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout);
void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock);
-int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_acl_xattrs(struct mnt_idmap *idmap,
struct dentry *dentry);
-int ksmbd_vfs_remove_sd_xattrs(struct user_namespace *user_ns,
+int ksmbd_vfs_remove_sd_xattrs(struct mnt_idmap *idmap,
struct dentry *dentry);
int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct smb_ntsd *pntsd, int len);
int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn,
- struct user_namespace *user_ns,
+ struct mnt_idmap *idmap,
struct dentry *dentry,
struct smb_ntsd **pntsd);
-int ksmbd_vfs_set_dos_attrib_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_set_dos_attrib_xattr(struct mnt_idmap *idmap,
struct dentry *dentry,
struct xattr_dos_attrib *da);
-int ksmbd_vfs_get_dos_attrib_xattr(struct user_namespace *user_ns,
+int ksmbd_vfs_get_dos_attrib_xattr(struct mnt_idmap *idmap,
struct dentry *dentry,
struct xattr_dos_attrib *da);
-int ksmbd_vfs_set_init_posix_acl(struct user_namespace *user_ns,
+int ksmbd_vfs_set_init_posix_acl(struct mnt_idmap *idmap,
struct dentry *dentry);
-int ksmbd_vfs_inherit_posix_acl(struct user_namespace *user_ns,
+int ksmbd_vfs_inherit_posix_acl(struct mnt_idmap *idmap,
struct dentry *dentry,
struct inode *parent_inode);
#endif /* __KSMBD_VFS_H__ */
diff --git a/fs/ksmbd/vfs_cache.c b/fs/ksmbd/vfs_cache.c
index da9163b00350..054a7d2e0f48 100644
--- a/fs/ksmbd/vfs_cache.c
+++ b/fs/ksmbd/vfs_cache.c
@@ -5,6 +5,7 @@
*/
#include <linux/fs.h>
+#include <linux/filelock.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
@@ -251,7 +252,7 @@ static void __ksmbd_inode_close(struct ksmbd_file *fp)
filp = fp->filp;
if (ksmbd_stream_fd(fp) && (ci->m_flags & S_DEL_ON_CLS_STREAM)) {
ci->m_flags &= ~S_DEL_ON_CLS_STREAM;
- err = ksmbd_vfs_remove_xattr(file_mnt_user_ns(filp),
+ err = ksmbd_vfs_remove_xattr(file_mnt_idmap(filp),
filp->f_path.dentry,
fp->stream.name);
if (err)
@@ -266,7 +267,7 @@ static void __ksmbd_inode_close(struct ksmbd_file *fp)
dir = dentry->d_parent;
ci->m_flags &= ~(S_DEL_ON_CLS | S_DEL_PENDING);
write_unlock(&ci->m_lock);
- ksmbd_vfs_unlink(file_mnt_user_ns(filp), dir, dentry);
+ ksmbd_vfs_unlink(file_mnt_idmap(filp), dir, dentry);
write_lock(&ci->m_lock);
}
write_unlock(&ci->m_lock);
@@ -364,12 +365,11 @@ static void __put_fd_final(struct ksmbd_work *work, struct ksmbd_file *fp)
static void set_close_state_blocked_works(struct ksmbd_file *fp)
{
- struct ksmbd_work *cancel_work, *ctmp;
+ struct ksmbd_work *cancel_work;
spin_lock(&fp->f_lock);
- list_for_each_entry_safe(cancel_work, ctmp, &fp->blocked_works,
+ list_for_each_entry(cancel_work, &fp->blocked_works,
fp_entry) {
- list_del(&cancel_work->fp_entry);
cancel_work->state = KSMBD_WORK_CLOSED;
cancel_work->cancel_fn(cancel_work->cancel_argv);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 05:18:12 +0000