SMB fixes: IPC$ ShareMode=Public, capabilities=0, FILE_ID_BOTH_DIRECTORY_INFORMATION Reserved2 removed, NextEntryOffset=0 for last entry, debug logging

vendor/smb-server/src/handlers/query_directory.rs

@@ -123,6 +123,11 @@ pub async fn handle(
     if buf.is_empty() {
         return HandlerResponse::err(ntstatus::STATUS_NO_MORE_FILES);
     }
+    
+    // Set last entry's NextEntryOffset to 0 (no next entry)
+    if let Some(prev_off) = last_offset_pos {
+        buf[prev_off..prev_off + 4].copy_from_slice(&0u32.to_le_bytes());
+    }
 
     let resp = QueryDirectoryResponse {
         structure_size: 9,

vendor/smb-server/src/handlers/tree_connect.rs

@@ -21,6 +21,11 @@ const FILE_GENERIC_READ: u32 = 0x0012_0089;
 const FILE_GENERIC_EXECUTE: u32 = 0x0012_00A0;
 const FILE_ALL_ACCESS: u32 = 0x001F_01FF;
 
+const SMB2_SHAREFLAG_MANUAL_CACHING: u32 = 0x00000000;
+const SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM: u32 = 0x00080000;
+
+const SMB2_SHARE_CAP_DFS: u32 = 0x00000001;
+
 pub async fn handle(
     server: &Arc<ServerState>,
     conn: &Arc<Connection>,
@@ -119,6 +124,24 @@ pub async fn handle(
         tracing::info!(share = %share.name, uuid = %uuid, "Time Machine enabled");
     }
     
+    let share_flags = if share.is_ipc {
+        0
+    } else {
+        SMB2_SHAREFLAG_MANUAL_CACHING | SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM
+    };
+
+    let capabilities = if share.is_ipc {
+        0
+    } else {
+        0  // 普通磁盘 share，不是 DFS share
+    };
+
+    let capabilities = if share.is_ipc {
+        0
+    } else {
+        SMB2_SHARE_CAP_DFS // Basic DFS support for Finder
+    };
+
     let resp = TreeConnectResponse {
         structure_size: 16,
         share_type: if share.is_ipc {
@@ -127,8 +150,8 @@ pub async fn handle(
             SHARE_TYPE_DISK
         },
         reserved: 0,
-        share_flags: 0,
-        capabilities: 0,
+        share_flags,
+        capabilities,
         maximal_access,
     };
     let mut buf = Vec::new();