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-rw-r--r--fs/ksmbd/misc.c40
-rw-r--r--fs/ksmbd/misc.h3
-rw-r--r--fs/ksmbd/oplock.c30
-rw-r--r--fs/ksmbd/oplock.h2
-rw-r--r--fs/ksmbd/smb2pdu.c34
-rw-r--r--fs/ksmbd/vfs.c6
-rw-r--r--fs/ksmbd/vfs_cache.c2
-rw-r--r--fs/ksmbd/vfs_cache.h1
8 files changed, 52 insertions, 66 deletions
diff --git a/fs/ksmbd/misc.c b/fs/ksmbd/misc.c
index 60e7ac62c917..1e2076a53bed 100644
--- a/fs/ksmbd/misc.c
+++ b/fs/ksmbd/misc.c
@@ -158,19 +158,41 @@ out:
* Return : windows path string or error
*/
-char *convert_to_nt_pathname(char *filename)
+char *convert_to_nt_pathname(struct ksmbd_share_config *share,
+ struct path *path)
{
- char *ab_pathname;
+ char *pathname, *ab_pathname, *nt_pathname;
+ int share_path_len = share->path_sz;
- if (strlen(filename) == 0)
- filename = "\\";
+ pathname = kmalloc(PATH_MAX, GFP_KERNEL);
+ if (!pathname)
+ return ERR_PTR(-EACCES);
- ab_pathname = kstrdup(filename, GFP_KERNEL);
- if (!ab_pathname)
- return NULL;
+ ab_pathname = d_path(path, pathname, PATH_MAX);
+ if (IS_ERR(ab_pathname)) {
+ nt_pathname = ERR_PTR(-EACCES);
+ goto free_pathname;
+ }
+
+ if (strncmp(ab_pathname, share->path, share_path_len)) {
+ nt_pathname = ERR_PTR(-EACCES);
+ goto free_pathname;
+ }
+
+ nt_pathname = kzalloc(strlen(&ab_pathname[share_path_len]) + 2, GFP_KERNEL);
+ if (!nt_pathname) {
+ nt_pathname = ERR_PTR(-ENOMEM);
+ goto free_pathname;
+ }
+ if (ab_pathname[share_path_len] == '\0')
+ strcpy(nt_pathname, "/");
+ strcat(nt_pathname, &ab_pathname[share_path_len]);
+
+ ksmbd_conv_path_to_windows(nt_pathname);
- ksmbd_conv_path_to_windows(ab_pathname);
- return ab_pathname;
+free_pathname:
+ kfree(pathname);
+ return nt_pathname;
}
int get_nlink(struct kstat *st)
diff --git a/fs/ksmbd/misc.h b/fs/ksmbd/misc.h
index 253366bd0951..aae2a252945f 100644
--- a/fs/ksmbd/misc.h
+++ b/fs/ksmbd/misc.h
@@ -14,7 +14,8 @@ struct ksmbd_file;
int match_pattern(const char *str, size_t len, const char *pattern);
int ksmbd_validate_filename(char *filename);
int parse_stream_name(char *filename, char **stream_name, int *s_type);
-char *convert_to_nt_pathname(char *filename);
+char *convert_to_nt_pathname(struct ksmbd_share_config *share,
+ struct path *path);
int get_nlink(struct kstat *st);
void ksmbd_conv_path_to_unix(char *path);
void ksmbd_strip_last_slash(char *path);
diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c
index 23871b18a429..8b5560574d4c 100644
--- a/fs/ksmbd/oplock.c
+++ b/fs/ksmbd/oplock.c
@@ -1694,33 +1694,3 @@ out:
read_unlock(&lease_list_lock);
return ret_op;
}
-
-int smb2_check_durable_oplock(struct ksmbd_file *fp,
- struct lease_ctx_info *lctx, char *name)
-{
- struct oplock_info *opinfo = opinfo_get(fp);
- int ret = 0;
-
- if (opinfo && opinfo->is_lease) {
- if (!lctx) {
- pr_err("open does not include lease\n");
- ret = -EBADF;
- goto out;
- }
- if (memcmp(opinfo->o_lease->lease_key, lctx->lease_key,
- SMB2_LEASE_KEY_SIZE)) {
- pr_err("invalid lease key\n");
- ret = -EBADF;
- goto out;
- }
- if (name && strcmp(fp->filename, name)) {
- pr_err("invalid name reconnect %s\n", name);
- ret = -EINVAL;
- goto out;
- }
- }
-out:
- if (opinfo)
- opinfo_put(opinfo);
- return ret;
-}
diff --git a/fs/ksmbd/oplock.h b/fs/ksmbd/oplock.h
index 0cf7a2b5bbc0..09753448f779 100644
--- a/fs/ksmbd/oplock.h
+++ b/fs/ksmbd/oplock.h
@@ -124,6 +124,4 @@ struct oplock_info *lookup_lease_in_table(struct ksmbd_conn *conn,
int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
struct lease_ctx_info *lctx);
void destroy_lease_table(struct ksmbd_conn *conn);
-int smb2_check_durable_oplock(struct ksmbd_file *fp,
- struct lease_ctx_info *lctx, char *name);
#endif /* __KSMBD_OPLOCK_H */
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 3bf6c56c654c..16c803a9d996 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -11,6 +11,7 @@
#include <linux/statfs.h>
#include <linux/ethtool.h>
#include <linux/falloc.h>
+#include <linux/mount.h>
#include "glob.h"
#include "smbfsctl.h"
@@ -2918,7 +2919,6 @@ int smb2_open(struct ksmbd_work *work)
goto err_out;
}
- fp->filename = name;
fp->cdoption = req->CreateDisposition;
fp->daccess = daccess;
fp->saccess = req->ShareAccess;
@@ -3270,14 +3270,13 @@ err_out1:
if (!rsp->hdr.Status)
rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;
- if (!fp || !fp->filename)
- kfree(name);
if (fp)
ksmbd_fd_put(work, fp);
smb2_set_err_rsp(work);
ksmbd_debug(SMB, "Error response: %x\n", rsp->hdr.Status);
}
+ kfree(name);
kfree(lc);
return 0;
@@ -3895,8 +3894,6 @@ int smb2_query_dir(struct ksmbd_work *work)
ksmbd_debug(SMB, "Search pattern is %s\n", srch_ptr);
}
- ksmbd_debug(SMB, "Directory name is %s\n", dir_fp->filename);
-
if (srch_flag & SMB2_REOPEN || srch_flag & SMB2_RESTART_SCANS) {
ksmbd_debug(SMB, "Restart directory scan\n");
generic_file_llseek(dir_fp->filp, 0, SEEK_SET);
@@ -4390,9 +4387,9 @@ static int get_file_all_info(struct ksmbd_work *work,
return -EACCES;
}
- filename = convert_to_nt_pathname(fp->filename);
- if (!filename)
- return -ENOMEM;
+ filename = convert_to_nt_pathname(work->tcon->share_conf, &fp->filp->f_path);
+ if (IS_ERR(filename))
+ return PTR_ERR(filename);
inode = file_inode(fp->filp);
generic_fillattr(file_mnt_user_ns(fp->filp), inode, &stat);
@@ -4999,15 +4996,17 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
case FS_SECTOR_SIZE_INFORMATION:
{
struct smb3_fs_ss_info *info;
+ unsigned int sector_size =
+ min_t(unsigned int, path.mnt->mnt_sb->s_blocksize, 4096);
info = (struct smb3_fs_ss_info *)(rsp->Buffer);
- info->LogicalBytesPerSector = cpu_to_le32(stfs.f_bsize);
+ info->LogicalBytesPerSector = cpu_to_le32(sector_size);
info->PhysicalBytesPerSectorForAtomicity =
- cpu_to_le32(stfs.f_bsize);
- info->PhysicalBytesPerSectorForPerf = cpu_to_le32(stfs.f_bsize);
+ cpu_to_le32(sector_size);
+ info->PhysicalBytesPerSectorForPerf = cpu_to_le32(sector_size);
info->FSEffPhysicalBytesPerSectorForAtomicity =
- cpu_to_le32(stfs.f_bsize);
+ cpu_to_le32(sector_size);
info->Flags = cpu_to_le32(SSINFO_FLAGS_ALIGNED_DEVICE |
SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE);
info->ByteOffsetForSectorAlignment = 0;
@@ -5683,8 +5682,7 @@ static int set_file_allocation_info(struct ksmbd_work *work,
size = i_size_read(inode);
rc = ksmbd_vfs_truncate(work, fp, alloc_blks * 512);
if (rc) {
- pr_err("truncate failed! filename : %s, err %d\n",
- fp->filename, rc);
+ pr_err("truncate failed!, err %d\n", rc);
return rc;
}
if (size < alloc_blks * 512)
@@ -5714,12 +5712,10 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp,
* truncated range.
*/
if (inode->i_sb->s_magic != MSDOS_SUPER_MAGIC) {
- ksmbd_debug(SMB, "filename : %s truncated to newsize %lld\n",
- fp->filename, newsize);
+ ksmbd_debug(SMB, "truncated to newsize %lld\n", newsize);
rc = ksmbd_vfs_truncate(work, fp, newsize);
if (rc) {
- ksmbd_debug(SMB, "truncate failed! filename : %s err %d\n",
- fp->filename, rc);
+ ksmbd_debug(SMB, "truncate failed!, err %d\n", rc);
if (rc != -EAGAIN)
rc = -EBADF;
return rc;
@@ -5765,8 +5761,10 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp,
if (parent_fp) {
if (parent_fp->daccess & FILE_DELETE_LE) {
pr_err("parent dir is opened with delete access\n");
+ ksmbd_fd_put(work, parent_fp);
return -ESHARE;
}
+ ksmbd_fd_put(work, parent_fp);
}
next:
return smb2_rename(work, fp, user_ns, rename_info,
diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c
index 9cebb6ba555b..dcdd07c6efff 100644
--- a/fs/ksmbd/vfs.c
+++ b/fs/ksmbd/vfs.c
@@ -398,8 +398,7 @@ int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
nbytes = kernel_read(filp, rbuf, count, pos);
if (nbytes < 0) {
- pr_err("smb read failed for (%s), err = %zd\n",
- fp->filename, nbytes);
+ pr_err("smb read failed, err = %zd\n", nbytes);
return nbytes;
}
@@ -875,8 +874,7 @@ int ksmbd_vfs_truncate(struct ksmbd_work *work,
err = vfs_truncate(&filp->f_path, size);
if (err)
- pr_err("truncate failed for filename : %s err %d\n",
- fp->filename, err);
+ pr_err("truncate failed, err %d\n", err);
return err;
}
diff --git a/fs/ksmbd/vfs_cache.c b/fs/ksmbd/vfs_cache.c
index 29c1db66bd0f..c4d59d2735f0 100644
--- a/fs/ksmbd/vfs_cache.c
+++ b/fs/ksmbd/vfs_cache.c
@@ -328,7 +328,6 @@ static void __ksmbd_close_fd(struct ksmbd_file_table *ft, struct ksmbd_file *fp)
kfree(smb_lock);
}
- kfree(fp->filename);
if (ksmbd_stream_fd(fp))
kfree(fp->stream.name);
kmem_cache_free(filp_cache, fp);
@@ -497,6 +496,7 @@ struct ksmbd_file *ksmbd_lookup_fd_inode(struct inode *inode)
list_for_each_entry(lfp, &ci->m_fp_list, node) {
if (inode == file_inode(lfp->filp)) {
atomic_dec(&ci->m_count);
+ lfp = ksmbd_fp_get(lfp);
read_unlock(&ci->m_lock);
return lfp;
}
diff --git a/fs/ksmbd/vfs_cache.h b/fs/ksmbd/vfs_cache.h
index 36239ce31afd..fcb13413fa8d 100644
--- a/fs/ksmbd/vfs_cache.h
+++ b/fs/ksmbd/vfs_cache.h
@@ -62,7 +62,6 @@ struct ksmbd_inode {
struct ksmbd_file {
struct file *filp;
- char *filename;
u64 persistent_id;
u64 volatile_id;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-11 20:31:15 +0000