add_inode: handle LX.SECURITY.CAPABILITY EA

maharmstone · Oct 6, 2021 · 3f3e6d0 · 3f3e6d0
1 parent be9cb12
commit 3f3e6d0
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/ntfs2btrfs.cpp b/src/ntfs2btrfs.cpp
@@ -85,6 +85,9 @@ static const char chunk_error_message[] = "Could not find enough space to create
 #define EA_REPARSE "user.reparse"
 #define EA_REPARSE_HASH 0xfabad1fe
 
+#define EA_CAP "security.capability"
+#define EA_CAP_HASH 0x7c3650b1
+
 using runs_t = map<uint64_t, list<data_alloc>>;
 
 static void space_list_remove(list<space>& space_list, uint64_t offset, uint64_t length) {
@@ -2412,6 +2415,23 @@ static void add_inode(root& r, uint64_t inode, uint64_t ntfs_inode, bool& is_dir
  ii.st_ctime.nanoseconds = l.ctime_ns;
 
  has_lxattrb = true;
+ } else if (n == "LX.SECURITY.CAPABILITY") {
+ static const string_view lxea = "lxea";
+
+ if (v.size() < lxea.length()) {
+ add_warning("LX.SECURITY.CAPABILITY EA was {} bytes, expected at least {}", v.size(), lxea.length());
+ continue;
+ }
+
+ if (string_view((char*)v.data(), lxea.length()) != lxea) {
+ add_warning("LX.SECURITY.CAPABILITY EA prefix was not \"{}\"", lxea);
+ continue;
+ }
+
+ buffer_t v2(v.size() - lxea.length());
+ memcpy(v2.data(), v.data() + lxea.length(), v2.size());
+
+ xattrs.emplace(EA_CAP, make_pair(EA_CAP_HASH, v2));
  } else if (n != "$KERNEL.PURGE.APPXFICACHE" && n != "$KERNEL.PURGE.ESBCACHE" && n != "$CI.CATALOGHINT" &&
  n != "C8A05BC0-3FA8-49E9-8148-61EE14A67687.CSC.DATABASE" && n != "C8A05BC0-3FA8-49E9-8148-61EE14A67687.CSC.DATABASEEX1" &&
  n != "C8A05BC0-3FA8-49E9-8148-61EE14A67687.CSC.EPOCHEA") {