123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134 |
- #ifndef _LINUX_BINFMTS_H
- #define _LINUX_BINFMTS_H
- #include <linux/sched.h>
- #include <linux/unistd.h>
- #include <asm/exec.h>
- #include <uapi/linux/binfmts.h>
- struct filename;
- struct coredump_params;
- #define CORENAME_MAX_SIZE 128
- struct linux_binprm {
- #ifdef CONFIG_MMU
- struct vm_area_struct *vma;
- unsigned long vma_pages;
- #else
- # define MAX_ARG_PAGES 32
- struct page *page[MAX_ARG_PAGES];
- #endif
- struct mm_struct *mm;
- unsigned long p;
- unsigned long argmin;
- unsigned int
-
- have_execfd:1,
-
- execfd_creds:1,
-
- secureexec:1,
-
- point_of_no_return:1;
- struct file *executable;
- struct file *interpreter;
- struct file *file;
- struct cred *cred;
- int unsafe;
- unsigned int per_clear;
- int argc, envc;
- const char *filename;
- const char *interp;
- const char *fdpath;
- unsigned interp_flags;
- int execfd;
- unsigned long loader, exec;
- struct rlimit rlim_stack;
- char buf[BINPRM_BUF_SIZE];
- } __randomize_layout;
- #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0
- #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT)
- #define BINPRM_FLAGS_PATH_INACCESSIBLE_BIT 2
- #define BINPRM_FLAGS_PATH_INACCESSIBLE (1 << BINPRM_FLAGS_PATH_INACCESSIBLE_BIT)
- #define BINPRM_FLAGS_PRESERVE_ARGV0_BIT 3
- #define BINPRM_FLAGS_PRESERVE_ARGV0 (1 << BINPRM_FLAGS_PRESERVE_ARGV0_BIT)
- struct linux_binfmt {
- struct list_head lh;
- struct module *module;
- int (*load_binary)(struct linux_binprm *);
- int (*load_shlib)(struct file *);
- #ifdef CONFIG_COREDUMP
- int (*core_dump)(struct coredump_params *cprm);
- unsigned long min_coredump;
- #endif
- } __randomize_layout;
- extern void __register_binfmt(struct linux_binfmt *fmt, int insert);
- static inline void register_binfmt(struct linux_binfmt *fmt)
- {
- __register_binfmt(fmt, 0);
- }
- static inline void insert_binfmt(struct linux_binfmt *fmt)
- {
- __register_binfmt(fmt, 1);
- }
- extern void unregister_binfmt(struct linux_binfmt *);
- extern int __must_check remove_arg_zero(struct linux_binprm *);
- extern int begin_new_exec(struct linux_binprm * bprm);
- extern void setup_new_exec(struct linux_binprm * bprm);
- extern void finalize_exec(struct linux_binprm *bprm);
- extern void would_dump(struct linux_binprm *, struct file *);
- extern int suid_dumpable;
- #define EXSTACK_DEFAULT 0
- #define EXSTACK_DISABLE_X 1
- #define EXSTACK_ENABLE_X 2
- extern int setup_arg_pages(struct linux_binprm * bprm,
- unsigned long stack_top,
- int executable_stack);
- extern int transfer_args_to_stack(struct linux_binprm *bprm,
- unsigned long *sp_location);
- extern int bprm_change_interp(const char *interp, struct linux_binprm *bprm);
- int copy_string_kernel(const char *arg, struct linux_binprm *bprm);
- extern void set_binfmt(struct linux_binfmt *new);
- extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);
- int kernel_execve(const char *filename,
- const char *const *argv, const char *const *envp);
- #endif
|