mirror of
https://github.com/fergalmoran/ladybird.git
synced 2026-01-09 01:56:21 +00:00
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* Copyright (c) 2024, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteString.h>
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#include <AK/Error.h>
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#include <Kernel/API/FileSystem/MountSpecificFlags.h>
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#include <Kernel/API/Ioctl.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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static ErrorOr<void> set_mount_flag(ByteString key, u64 value, int mount_fd)
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{
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MountSpecificFlag flag;
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flag.key_string_length = key.bytes().size();
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flag.key_string_addr = key.bytes().data();
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flag.value_type = MountSpecificFlag::ValueType::UnsignedInteger;
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flag.value_length = 8;
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flag.value_addr = &value;
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return Core::System::ioctl(mount_fd, MOUNT_IOCTL_SET_MOUNT_SPECIFIC_FLAG, &flag);
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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StringView fd_string;
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StringView target;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Mount a FUSE-based filesystem");
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args_parser.add_positional_argument(fd_string, "File descriptor to mount", "fd");
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args_parser.add_positional_argument(target, "Path to mount location", "target");
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args_parser.parse(arguments);
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if (fd_string.is_empty())
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return Error::from_string_literal("No file descriptor passed");
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if (target.is_empty())
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return Error::from_string_literal("No target passed");
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auto maybe_fd = fd_string.to_number<int>();
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if (!maybe_fd.has_value())
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return Error::from_string_literal("Invalid file descriptor passed");
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int fd = maybe_fd.release_value();
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int mount_fd = TRY(Core::System::fsopen("FUSE"sv, 0));
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TRY(set_mount_flag("fd", fd, mount_fd));
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TRY(set_mount_flag("rootmode", 40000, mount_fd));
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TRY(Core::System::fsmount(mount_fd, -1, target));
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return 0;
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}
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