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63760603f3
This modifies sys$chown to allow specifying whether or not to follow symlinks and in which directory. This was then used to implement lchown and fchownat in LibC and LibCore.
159 lines
4.8 KiB
C
159 lines
4.8 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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/* standard symbolic constants and types
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*
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* values from POSIX standard unix specification
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*
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* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html
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*/
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#pragma once
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#include <Kernel/API/POSIX/unistd.h>
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#include <fd_set.h>
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#include <limits.h>
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__BEGIN_DECLS
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#define HZ 1000
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/* lseek whence values */
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#ifndef _STDIO_H /* also defined in stdio.h */
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# define SEEK_SET 0 /* from beginning of file. */
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# define SEEK_CUR 1 /* from current position in file. */
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# define SEEK_END 2 /* from the end of the file. */
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#endif
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extern char** environ;
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int get_process_name(char* buffer, int buffer_size);
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int set_process_name(const char* name, size_t name_length);
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void dump_backtrace();
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int fsync(int fd);
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int sysbeep();
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int gettid();
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int getpagesize();
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pid_t fork();
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pid_t vfork();
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int execv(const char* path, char* const argv[]);
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int execve(const char* filename, char* const argv[], char* const envp[]);
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int execvpe(const char* filename, char* const argv[], char* const envp[]);
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int execvp(const char* filename, char* const argv[]);
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int execl(const char* filename, const char* arg, ...);
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int execle(const char* filename, const char* arg, ...);
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int execlp(const char* filename, const char* arg, ...);
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void sync();
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__attribute__((noreturn)) void _exit(int status);
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pid_t getsid(pid_t);
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pid_t setsid();
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int setpgid(pid_t pid, pid_t pgid);
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pid_t getpgid(pid_t);
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pid_t getpgrp();
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uid_t geteuid();
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gid_t getegid();
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uid_t getuid();
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gid_t getgid();
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pid_t getpid();
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pid_t getppid();
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int getresuid(uid_t*, uid_t*, uid_t*);
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int getresgid(gid_t*, gid_t*, gid_t*);
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int getgroups(int size, gid_t list[]);
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int setgroups(size_t, const gid_t*);
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int seteuid(uid_t);
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int setegid(gid_t);
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int setuid(uid_t);
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int setgid(gid_t);
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int setreuid(uid_t, uid_t);
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int setresuid(uid_t, uid_t, uid_t);
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int setresgid(gid_t, gid_t, gid_t);
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pid_t tcgetpgrp(int fd);
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int tcsetpgrp(int fd, pid_t pgid);
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ssize_t read(int fd, void* buf, size_t count);
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ssize_t pread(int fd, void* buf, size_t count, off_t);
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ssize_t write(int fd, const void* buf, size_t count);
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ssize_t pwrite(int fd, const void* buf, size_t count, off_t);
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int close(int fd);
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int chdir(const char* path);
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int fchdir(int fd);
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char* getcwd(char* buffer, size_t size);
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char* getwd(char* buffer);
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unsigned int sleep(unsigned int seconds);
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int usleep(useconds_t);
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int gethostname(char*, size_t);
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int sethostname(const char*, ssize_t);
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ssize_t readlink(const char* path, char* buffer, size_t);
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char* ttyname(int fd);
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int ttyname_r(int fd, char* buffer, size_t);
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off_t lseek(int fd, off_t, int whence);
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int link(const char* oldpath, const char* newpath);
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int unlink(const char* pathname);
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int symlink(const char* target, const char* linkpath);
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int rmdir(const char* pathname);
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int dup(int old_fd);
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int dup2(int old_fd, int new_fd);
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int pipe(int pipefd[2]);
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int pipe2(int pipefd[2], int flags);
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unsigned int alarm(unsigned int seconds);
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int access(const char* pathname, int mode);
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int isatty(int fd);
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int mknod(const char* pathname, mode_t, dev_t);
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long fpathconf(int fd, int name);
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long pathconf(const char* path, int name);
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char* getlogin();
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int lchown(const char* pathname, uid_t uid, gid_t gid);
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int chown(const char* pathname, uid_t, gid_t);
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int fchown(int fd, uid_t, gid_t);
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int fchownat(int fd, const char* pathname, uid_t uid, gid_t gid, int flags);
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int ftruncate(int fd, off_t length);
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int truncate(const char* path, off_t length);
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int mount(int source_fd, const char* target, const char* fs_type, int flags);
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int umount(const char* mountpoint);
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int pledge(const char* promises, const char* execpromises);
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int unveil(const char* path, const char* permissions);
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char* getpass(const char* prompt);
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int pause();
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int chroot(const char*);
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enum {
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_PC_NAME_MAX,
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_PC_PATH_MAX,
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_PC_PIPE_BUF,
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_PC_VDISABLE,
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_PC_LINK_MAX
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};
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#define _POSIX_MONOTONIC_CLOCK 200112L
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#define _POSIX_SAVED_IDS
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#define _POSIX_TIMERS 200809L
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/*
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* We aren't fully compliant (don't support policies, and don't have a wide
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* range of values), but we do have process priorities.
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*/
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#define _POSIX_PRIORITY_SCHEDULING
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#define _POSIX_VDISABLE '\0'
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long sysconf(int name);
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// If opterr is set (the default), print error messages to stderr.
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extern int opterr;
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// On errors, optopt is set to the erroneous *character*.
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extern int optopt;
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// Index of the next argument to process upon a getopt*() call.
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extern int optind;
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// If set, reset the internal state kept by getopt*(). You may also want to set
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// optind to 1 in that case. Alternatively, setting optind to 0 is treated like
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// doing both of the above.
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extern int optreset;
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// After parsing an option that accept an argument, set to point to the argument
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// value.
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extern char* optarg;
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int getopt(int argc, char* const* argv, const char* short_options);
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__END_DECLS
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