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Kernel/LibC: Implement symlink{,at}

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Bananymous
2024-12-02 17:44:25 +02:00
parent 11b6ee423e
commit d58ca5f37a
8 changed files with 97 additions and 31 deletions
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1
kernel/include/kernel/FS/Ext2/Inode.h
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@@ -39,6 +39,7 @@ namespace Kernel
virtual BAN::ErrorOr<void> unlink_impl(BAN::StringView) override;
virtual BAN::ErrorOr<BAN::String> link_target_impl() override;
virtual BAN::ErrorOr<void> set_link_target_impl(BAN::StringView) override;
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;

2
kernel/include/kernel/FS/Inode.h
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@@ -99,6 +99,7 @@ namespace Kernel
// Link API
BAN::ErrorOr<BAN::String> link_target();
BAN::ErrorOr<void> set_link_target(BAN::StringView);
// Socket API
BAN::ErrorOr<long> accept(sockaddr* address, socklen_t* address_len, int flags);
@@ -134,6 +135,7 @@ namespace Kernel
// Link API
virtual BAN::ErrorOr<BAN::String> link_target_impl() { return BAN::Error::from_errno(ENOTSUP); }
virtual BAN::ErrorOr<void> set_link_target_impl(BAN::StringView) { return BAN::Error::from_errno(ENOTSUP); }
// Socket API
virtual BAN::ErrorOr<long> accept_impl(sockaddr*, socklen_t*, int) { return BAN::Error::from_errno(ENOTSUP); }

3
kernel/include/kernel/Process.h
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@@ -113,6 +113,8 @@ namespace Kernel
BAN::ErrorOr<long> sys_unlink(const char*);
BAN::ErrorOr<long> sys_readlinkat(int fd, const char* path, char* buffer, size_t bufsize);
BAN::ErrorOr<long> sys_symlinkat(const char* path1, int fd, const char* path2);
BAN::ErrorOr<long> sys_pread(int fd, void* buffer, size_t count, off_t offset);
BAN::ErrorOr<long> sys_fchmodat(int fd, const char* path, mode_t mode, int flag);
@@ -221,6 +223,7 @@ namespace Kernel
static Process* create_process(const Credentials&, pid_t parent, pid_t sid = 0, pid_t pgrp = 0);
BAN::ErrorOr<VirtualFileSystem::File> find_file(int fd, const char* path, int flags);
BAN::ErrorOr<VirtualFileSystem::File> find_parent(int fd, const char* path);
BAN::ErrorOr<void> validate_string_access(const char*);
BAN::ErrorOr<void> validate_pointer_access_check(const void*, size_t, bool needs_write);