From f8b26d31e3993efe55d405535b33336187887fa6 Mon Sep 17 00:00:00 2001
From: Sebastian Messmer <mail@smessmer.de>
Date: Tue, 21 Apr 2015 21:08:23 +0200
Subject: [PATCH] Added chmod/chown

---
 fs_interface/Node.h     |  2 ++
 fuse/Filesystem.h       |  2 ++
 fuse/Fuse.cpp           | 26 +++++++++++++-------------
 impl/FilesystemImpl.cpp |  9 ++++++++-
 impl/FilesystemImpl.h   |  2 ++
 5 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/fs_interface/Node.h b/fs_interface/Node.h
index 40ed8bb9..7216181a 100644
--- a/fs_interface/Node.h
+++ b/fs_interface/Node.h
@@ -13,6 +13,8 @@ public:
   virtual ~Node() {}
 
   virtual void stat(struct ::stat *result) const = 0;
+  virtual void chmod(mode_t mode) = 0;
+  virtual void chown(uid_t uid, gid_t gid) = 0;
   virtual void access(int mask) const = 0;
   virtual void rename(const boost::filesystem::path &to) = 0;
   virtual void utimens(const timespec times[2]) = 0;
diff --git a/fuse/Filesystem.h b/fuse/Filesystem.h
index 91a62135..09419521 100644
--- a/fuse/Filesystem.h
+++ b/fuse/Filesystem.h
@@ -20,6 +20,8 @@ public:
   virtual void closeFile(int descriptor) = 0;
   virtual void lstat(const boost::filesystem::path &path, struct ::stat *stbuf) = 0;
   virtual void fstat(int descriptor, struct ::stat *stbuf) = 0;
+  virtual void chmod(const boost::filesystem::path &path, mode_t mode) = 0;
+  virtual void chown(const boost::filesystem::path &path, uid_t uid, gid_t gid) = 0;
   virtual void truncate(const boost::filesystem::path &path, off_t size) = 0;
   virtual void ftruncate(int descriptor, off_t size) = 0;
   virtual int read(int descriptor, void *buf, size_t count, off_t offset) = 0;
diff --git a/fuse/Fuse.cpp b/fuse/Fuse.cpp
index 240fa372..b58ad546 100644
--- a/fuse/Fuse.cpp
+++ b/fuse/Fuse.cpp
@@ -241,7 +241,7 @@ int Fuse::fgetattr(const bf::path &path, struct stat *stbuf, fuse_file_info *fil
   }
 
   try {
-  _fs->fstat(fileinfo->fh, stbuf);
+    _fs->fstat(fileinfo->fh, stbuf);
   return 0;
   } catch(fspp::fuse::FuseErrnoException &e) {
     return -e.getErrno();
@@ -324,22 +324,22 @@ int Fuse::link(const bf::path &from, const bf::path &to) {
   return ENOSYS;
 }
 
-//TODO
 int Fuse::chmod(const bf::path &path, mode_t mode) {
-  printf("NOT IMPLEMENTED: chmod(%s, %d)\n", path.c_str(), mode);
-  //auto real_path = _impl->RootDir() / path;
-  //int retstat = ::chmod(real_path.c_str(), mode);
-  //return errcode_map(retstat);
-  return ENOSYS;
+  try {
+	_fs->chmod(path, mode);
+	return 0;
+  } catch (fspp::fuse::FuseErrnoException &e) {
+	return -e.getErrno();
+  }
 }
 
-//TODO
 int Fuse::chown(const bf::path &path, uid_t uid, gid_t gid) {
-  printf("NOT IMPLEMENTED: chown(%s, %d, %d)\n", path.c_str(), uid, gid);
-  //auto real_path = _impl->RootDir() / path;
-  //int retstat = ::chown(real_path.c_str(), uid, gid);
-  //return errcode_map(retstat);
-  return ENOSYS;
+  try {
+	_fs->chown(path, uid, gid);
+	return 0;
+  } catch (fspp::fuse::FuseErrnoException &e) {
+	return -e.getErrno();
+  }
 }
 
 int Fuse::truncate(const bf::path &path, off_t size) {
diff --git a/impl/FilesystemImpl.cpp b/impl/FilesystemImpl.cpp
index 9405e0e2..4c0d43b1 100644
--- a/impl/FilesystemImpl.cpp
+++ b/impl/FilesystemImpl.cpp
@@ -71,6 +71,14 @@ void FilesystemImpl::fstat(int descriptor, struct ::stat *stbuf) {
   _open_files.get(descriptor)->stat(stbuf);
 }
 
+void FilesystemImpl::chmod(const boost::filesystem::path &path, mode_t mode) {
+  _device->Load(path)->chmod(mode);
+}
+
+void FilesystemImpl::chown(const boost::filesystem::path &path, uid_t uid, gid_t gid) {
+  _device->Load(path)->chown(uid, gid);
+}
+
 void FilesystemImpl::truncate(const bf::path &path, off_t size) {
   LoadFile(path)->truncate(size);
 }
@@ -84,7 +92,6 @@ int FilesystemImpl::read(int descriptor, void *buf, size_t count, off_t offset)
 }
 
 void FilesystemImpl::write(int descriptor, const void *buf, size_t count, off_t offset) {
-  //printf("Write %d bytes to offset %d\n", count, offset);fflush(stdout);
   _open_files.get(descriptor)->write(buf, count, offset);
 }
 
diff --git a/impl/FilesystemImpl.h b/impl/FilesystemImpl.h
index 85c55d5b..6b6ae151 100644
--- a/impl/FilesystemImpl.h
+++ b/impl/FilesystemImpl.h
@@ -22,6 +22,8 @@ public:
 	void closeFile(int descriptor) override;
 	void lstat(const boost::filesystem::path &path, struct ::stat *stbuf) override;
 	void fstat(int descriptor, struct ::stat *stbuf) override;
+	void chmod(const boost::filesystem::path &path, mode_t mode) override;
+	void chown(const boost::filesystem::path &path, uid_t uid, gid_t gid) override;
 	void truncate(const boost::filesystem::path &path, off_t size) override;
 	void ftruncate(int descriptor, off_t size) override;
 	int read(int descriptor, void *buf, size_t count, off_t offset) override;