| // Copyright 2019 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "smbfs/util.h" |
| |
| #include <fcntl.h> |
| #include <fuse_lowlevel.h> |
| |
| #include <base/strings/stringprintf.h> |
| |
| namespace smbfs { |
| namespace { |
| |
| struct FlagDef { |
| const int flag; |
| const char* name; |
| }; |
| |
| #define FLAG_DEF(f) \ |
| { f, #f } |
| const FlagDef kOpenFlags[] = { |
| FLAG_DEF(O_APPEND), FLAG_DEF(O_ASYNC), FLAG_DEF(O_CLOEXEC), |
| FLAG_DEF(O_CREAT), FLAG_DEF(O_DIRECT), FLAG_DEF(O_DIRECTORY), |
| FLAG_DEF(O_DSYNC), FLAG_DEF(O_EXCL), FLAG_DEF(O_LARGEFILE), |
| FLAG_DEF(O_NOATIME), FLAG_DEF(O_NOCTTY), FLAG_DEF(O_NOFOLLOW), |
| FLAG_DEF(O_NONBLOCK), FLAG_DEF(O_PATH), FLAG_DEF(O_SYNC), |
| FLAG_DEF(O_TMPFILE), FLAG_DEF(O_TRUNC), |
| }; |
| |
| const FlagDef kToSetFlags[] = { |
| FLAG_DEF(FUSE_SET_ATTR_MODE), FLAG_DEF(FUSE_SET_ATTR_UID), |
| FLAG_DEF(FUSE_SET_ATTR_GID), FLAG_DEF(FUSE_SET_ATTR_SIZE), |
| FLAG_DEF(FUSE_SET_ATTR_ATIME), FLAG_DEF(FUSE_SET_ATTR_MTIME), |
| FLAG_DEF(FUSE_SET_ATTR_ATIME_NOW), FLAG_DEF(FUSE_SET_ATTR_MTIME_NOW), |
| }; |
| |
| template <size_t N> |
| std::string FlagsToString(const FlagDef (&defs)[N], int flags) { |
| if (!flags) { |
| return "0"; |
| } |
| |
| std::string str; |
| for (const auto& def : defs) { |
| if (flags & def.flag) { |
| if (!str.empty()) { |
| str.append("|"); |
| } |
| str.append(def.name); |
| flags &= ~def.flag; |
| } |
| } |
| if (flags) { |
| if (!str.empty()) { |
| str.append("|"); |
| } |
| str.append(base::StringPrintf("0x%x", flags)); |
| } |
| return str; |
| } |
| |
| } // namespace |
| |
| std::string OpenFlagsToString(int flags) { |
| std::string str; |
| switch (flags & O_ACCMODE) { |
| case O_RDONLY: |
| str = "O_RDONLY"; |
| break; |
| case O_WRONLY: |
| str = "O_WRONLY"; |
| break; |
| case O_RDWR: |
| str = "O_RDWR"; |
| break; |
| default: |
| str = "INVALID_OPEN_MODE"; |
| break; |
| } |
| flags &= ~O_ACCMODE; |
| if (flags) { |
| str.append("|"); |
| str.append(FlagsToString(kOpenFlags, flags)); |
| } |
| |
| return str; |
| } |
| |
| std::string ToSetFlagsToString(int flags) { |
| return FlagsToString(kToSetFlags, flags); |
| } |
| |
| std::string IpAddressToString(const std::vector<uint8_t>& address) { |
| if (address.size() != 4) { |
| return {}; |
| } |
| |
| return base::StringPrintf("%u.%u.%u.%u", address[0], address[1], address[2], |
| address[3]); |
| } |
| |
| } // namespace smbfs |