From 2957e9a7ea070524508a846205689431cb5c101f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 1 Jul 2024 19:13:54 +0200 Subject: Adding upstream version 6.9.7. Signed-off-by: Daniel Baumann --- fs/smb/server/mgmt/share_config.c | 6 +++++- fs/smb/server/oplock.c | 21 +++++++++++++-------- fs/smb/server/smb2pdu.c | 22 ++++++++++------------ fs/smb/server/vfs.c | 17 +++++++++++------ fs/smb/server/vfs.h | 3 ++- fs/smb/server/vfs_cache.c | 3 ++- 6 files changed, 43 insertions(+), 29 deletions(-) (limited to 'fs/smb/server') diff --git a/fs/smb/server/mgmt/share_config.c b/fs/smb/server/mgmt/share_config.c index a2f0a2edce..e0a6b75809 100644 --- a/fs/smb/server/mgmt/share_config.c +++ b/fs/smb/server/mgmt/share_config.c @@ -165,8 +165,12 @@ static struct ksmbd_share_config *share_config_request(struct unicode_map *um, share->path = kstrndup(ksmbd_share_config_path(resp), path_len, GFP_KERNEL); - if (share->path) + if (share->path) { share->path_sz = strlen(share->path); + while (share->path_sz > 1 && + share->path[share->path_sz - 1] == '/') + share->path[--share->path_sz] = '\0'; + } share->create_mask = resp->create_mask; share->directory_mask = resp->directory_mask; share->force_create_mode = resp->force_create_mode; diff --git a/fs/smb/server/oplock.c b/fs/smb/server/oplock.c index b9d9116fc2..a8f52c4ebb 100644 --- a/fs/smb/server/oplock.c +++ b/fs/smb/server/oplock.c @@ -610,19 +610,24 @@ static int oplock_break_pending(struct oplock_info *opinfo, int req_op_level) if (opinfo->op_state == OPLOCK_CLOSING) return -ENOENT; else if (opinfo->level <= req_op_level) { - if (opinfo->is_lease && - opinfo->o_lease->state != - (SMB2_LEASE_HANDLE_CACHING_LE | - SMB2_LEASE_READ_CACHING_LE)) + if (opinfo->is_lease == false) + return 1; + + if (opinfo->o_lease->state != + (SMB2_LEASE_HANDLE_CACHING_LE | + SMB2_LEASE_READ_CACHING_LE)) return 1; } } if (opinfo->level <= req_op_level) { - if (opinfo->is_lease && - opinfo->o_lease->state != - (SMB2_LEASE_HANDLE_CACHING_LE | - SMB2_LEASE_READ_CACHING_LE)) { + if (opinfo->is_lease == false) { + wake_up_oplock_break(opinfo); + return 1; + } + if (opinfo->o_lease->state != + (SMB2_LEASE_HANDLE_CACHING_LE | + SMB2_LEASE_READ_CACHING_LE)) { wake_up_oplock_break(opinfo); return 1; } diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index b6c5a8ea38..e7e0789178 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -630,6 +630,12 @@ smb2_get_name(const char *src, const int maxlen, struct nls_table *local_nls) return name; } + if (*name == '\\') { + pr_err("not allow directory name included leading slash\n"); + kfree(name); + return ERR_PTR(-EINVAL); + } + ksmbd_conv_path_to_unix(name); ksmbd_strip_last_slash(name); return name; @@ -2361,7 +2367,8 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len, if (rc > 0) { rc = ksmbd_vfs_remove_xattr(idmap, path, - attr_name); + attr_name, + get_write); if (rc < 0) { ksmbd_debug(SMB, @@ -2376,7 +2383,7 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len, } else { rc = ksmbd_vfs_setxattr(idmap, path, attr_name, value, le16_to_cpu(eabuf->EaValueLength), - 0, true); + 0, get_write); if (rc < 0) { ksmbd_debug(SMB, "ksmbd_vfs_setxattr is failed(%d)\n", @@ -2468,7 +2475,7 @@ static int smb2_remove_smb_xattrs(const struct path *path) !strncmp(&name[XATTR_USER_PREFIX_LEN], STREAM_PREFIX, STREAM_PREFIX_LEN)) { err = ksmbd_vfs_remove_xattr(idmap, path, - name); + name, true); if (err) ksmbd_debug(SMB, "remove xattr failed : %s\n", name); @@ -2842,20 +2849,11 @@ int smb2_open(struct ksmbd_work *work) } if (req->NameLength) { - if ((req->CreateOptions & FILE_DIRECTORY_FILE_LE) && - *(char *)req->Buffer == '\\') { - pr_err("not allow directory name included leading slash\n"); - rc = -EINVAL; - goto err_out2; - } - name = smb2_get_name((char *)req + le16_to_cpu(req->NameOffset), le16_to_cpu(req->NameLength), work->conn->local_nls); if (IS_ERR(name)) { rc = PTR_ERR(name); - if (rc != -ENOMEM) - rc = -ENOENT; name = NULL; goto err_out2; } diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index 51b1b0bed6..9e859ba010 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -1058,16 +1058,21 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length, } int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap, - const struct path *path, char *attr_name) + const struct path *path, char *attr_name, + bool get_write) { int err; - err = mnt_want_write(path->mnt); - if (err) - return err; + if (get_write == true) { + err = mnt_want_write(path->mnt); + if (err) + return err; + } err = vfs_removexattr(idmap, path->dentry, attr_name); - mnt_drop_write(path->mnt); + + if (get_write == true) + mnt_drop_write(path->mnt); return err; } @@ -1380,7 +1385,7 @@ int ksmbd_vfs_remove_sd_xattrs(struct mnt_idmap *idmap, const struct path *path) 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(idmap, path, name); + err = ksmbd_vfs_remove_xattr(idmap, path, name, true); if (err) ksmbd_debug(SMB, "remove xattr failed : %s\n", name); } diff --git a/fs/smb/server/vfs.h b/fs/smb/server/vfs.h index cfe1c8092f..cb76f4b5ba 100644 --- a/fs/smb/server/vfs.h +++ b/fs/smb/server/vfs.h @@ -114,7 +114,8 @@ int ksmbd_vfs_setxattr(struct mnt_idmap *idmap, 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 mnt_idmap *idmap, - const struct path *path, char *attr_name); + const struct path *path, char *attr_name, + bool get_write); int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name, unsigned int flags, struct path *parent_path, struct path *path, bool caseless); diff --git a/fs/smb/server/vfs_cache.c b/fs/smb/server/vfs_cache.c index 6cb599cd28..8b2e37c871 100644 --- a/fs/smb/server/vfs_cache.c +++ b/fs/smb/server/vfs_cache.c @@ -254,7 +254,8 @@ static void __ksmbd_inode_close(struct ksmbd_file *fp) ci->m_flags &= ~S_DEL_ON_CLS_STREAM; err = ksmbd_vfs_remove_xattr(file_mnt_idmap(filp), &filp->f_path, - fp->stream.name); + fp->stream.name, + true); if (err) pr_err("remove xattr failed : %s\n", fp->stream.name); -- cgit v1.2.3