diff options
| -rw-r--r-- | fs/ksmbd/ksmbd_netlink.h | 3 | ||||
| -rw-r--r-- | fs/ksmbd/mgmt/share_config.c | 22 | ||||
| -rw-r--r-- | fs/ksmbd/mgmt/share_config.h | 4 | ||||
| -rw-r--r-- | fs/ksmbd/mgmt/tree_connect.c | 4 | ||||
| -rw-r--r-- | fs/ksmbd/misc.c | 4 | ||||
| -rw-r--r-- | fs/ksmbd/misc.h | 1 |
6 files changed, 29 insertions, 9 deletions
diff --git a/fs/ksmbd/ksmbd_netlink.h b/fs/ksmbd/ksmbd_netlink.h index e0cbcfa98c7e..ff07c67f4565 100644 --- a/fs/ksmbd/ksmbd_netlink.h +++ b/fs/ksmbd/ksmbd_netlink.h @@ -163,7 +163,8 @@ struct ksmbd_share_config_response { __u16 force_directory_mode; __u16 force_uid; __u16 force_gid; - __u32 reserved[128]; /* Reserved room */ + __s8 share_name[KSMBD_REQ_MAX_SHARE_NAME]; + __u32 reserved[112]; /* Reserved room */ __u32 veto_list_sz; __s8 ____payload[]; }; diff --git a/fs/ksmbd/mgmt/share_config.c b/fs/ksmbd/mgmt/share_config.c index 5d039704c23c..328a412259dc 100644 --- a/fs/ksmbd/mgmt/share_config.c +++ b/fs/ksmbd/mgmt/share_config.c @@ -16,6 +16,7 @@ #include "user_config.h" #include "user_session.h" #include "../transport_ipc.h" +#include "../misc.h" #define SHARE_HASH_BITS 3 static DEFINE_HASHTABLE(shares_table, SHARE_HASH_BITS); @@ -119,7 +120,8 @@ static int parse_veto_list(struct ksmbd_share_config *share, return 0; } -static struct ksmbd_share_config *share_config_request(const char *name) +static struct ksmbd_share_config *share_config_request(struct unicode_map *um, + const char *name) { struct ksmbd_share_config_response *resp; struct ksmbd_share_config *share = NULL; @@ -133,6 +135,19 @@ static struct ksmbd_share_config *share_config_request(const char *name) if (resp->flags == KSMBD_SHARE_FLAG_INVALID) goto out; + if (*resp->share_name) { + char *cf_resp_name; + bool equal; + + cf_resp_name = ksmbd_casefold_sharename(um, resp->share_name); + if (IS_ERR(cf_resp_name)) + goto out; + equal = !strcmp(cf_resp_name, name); + kfree(cf_resp_name); + if (!equal) + goto out; + } + share = kzalloc(sizeof(struct ksmbd_share_config), GFP_KERNEL); if (!share) goto out; @@ -190,7 +205,8 @@ out: return share; } -struct ksmbd_share_config *ksmbd_share_config_get(const char *name) +struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, + const char *name) { struct ksmbd_share_config *share; @@ -202,7 +218,7 @@ struct ksmbd_share_config *ksmbd_share_config_get(const char *name) if (share) return share; - return share_config_request(name); + return share_config_request(um, name); } bool ksmbd_share_veto_filename(struct ksmbd_share_config *share, diff --git a/fs/ksmbd/mgmt/share_config.h b/fs/ksmbd/mgmt/share_config.h index 7f7e89ecfe61..3fd338293942 100644 --- a/fs/ksmbd/mgmt/share_config.h +++ b/fs/ksmbd/mgmt/share_config.h @@ -9,6 +9,7 @@ #include <linux/workqueue.h> #include <linux/hashtable.h> #include <linux/path.h> +#include <linux/unicode.h> struct ksmbd_share_config { char *name; @@ -74,7 +75,8 @@ static inline void ksmbd_share_config_put(struct ksmbd_share_config *share) __ksmbd_share_config_put(share); } -struct ksmbd_share_config *ksmbd_share_config_get(const char *name); +struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, + const char *name); bool ksmbd_share_veto_filename(struct ksmbd_share_config *share, const char *filename); #endif /* __SHARE_CONFIG_MANAGEMENT_H__ */ diff --git a/fs/ksmbd/mgmt/tree_connect.c b/fs/ksmbd/mgmt/tree_connect.c index 867c0286b901..8ce17b3fb8da 100644 --- a/fs/ksmbd/mgmt/tree_connect.c +++ b/fs/ksmbd/mgmt/tree_connect.c @@ -26,7 +26,7 @@ ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess, struct sockaddr *peer_addr; int ret; - sc = ksmbd_share_config_get(share_name); + sc = ksmbd_share_config_get(conn->um, share_name); if (!sc) return status; @@ -61,7 +61,7 @@ ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess, struct ksmbd_share_config *new_sc; ksmbd_share_config_del(sc); - new_sc = ksmbd_share_config_get(share_name); + new_sc = ksmbd_share_config_get(conn->um, share_name); if (!new_sc) { pr_err("Failed to update stale share config\n"); status.ret = -ESTALE; diff --git a/fs/ksmbd/misc.c b/fs/ksmbd/misc.c index 28459b1efaa8..9e8afaa686e3 100644 --- a/fs/ksmbd/misc.c +++ b/fs/ksmbd/misc.c @@ -227,7 +227,7 @@ void ksmbd_conv_path_to_windows(char *path) strreplace(path, '/', '\\'); } -static char *casefold_sharename(struct unicode_map *um, const char *name) +char *ksmbd_casefold_sharename(struct unicode_map *um, const char *name) { char *cf_name; int cf_len; @@ -273,7 +273,7 @@ char *ksmbd_extract_sharename(struct unicode_map *um, const char *treename) name = (pos + 1); /* caller has to free the memory */ - return casefold_sharename(um, name); + return ksmbd_casefold_sharename(um, name); } /** diff --git a/fs/ksmbd/misc.h b/fs/ksmbd/misc.h index cc72f4e6baf2..1facfcd21200 100644 --- a/fs/ksmbd/misc.h +++ b/fs/ksmbd/misc.h @@ -20,6 +20,7 @@ int get_nlink(struct kstat *st); void ksmbd_conv_path_to_unix(char *path); void ksmbd_strip_last_slash(char *path); void ksmbd_conv_path_to_windows(char *path); +char *ksmbd_casefold_sharename(struct unicode_map *um, const char *name); char *ksmbd_extract_sharename(struct unicode_map *um, const char *treename); char *convert_to_unix_name(struct ksmbd_share_config *share, const char *name); |