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Kernel: Add a basic chroot() syscall :^)
The chroot() syscall now allows the superuser to isolate a process into a specific subtree of the filesystem. This is not strictly permanent, as it is also possible for a superuser to break *out* of a chroot, but it is a useful mechanism for isolating unprivileged processes. The VFS now uses the current process's root_directory() as the root for path resolution purposes. The root directory is stored as an uncached Custody in the Process object.
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7 changed files with 63 additions and 8 deletions
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@ -51,6 +51,7 @@ 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 execlp(const char* filename, const char* arg, ...);
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int chroot(const char* path);
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void sync();
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void _exit(int status);
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pid_t getsid(pid_t);
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