mirror of
https://github.com/RGBCube/serenity
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a6539cc031
Expected behavior left as a FIXME is described here: https://pubs.opengroup.org/onlinepubs/7908799/xsh/chroot.html It is marked as LEGACY but still used in projects such as PHP.
156 lines
4.6 KiB
C
156 lines
4.6 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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void 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 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 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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