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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_BINFMTS_H |
| 2 | #define _LINUX_BINFMTS_H |
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| 3 | |||
| 4 | #include <linux/capability.h> |
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| 5 | |||
| 6 | struct pt_regs; |
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| 7 | |||
| 8 | /* |
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| 9 | * MAX_ARG_PAGES defines the number of pages allocated for arguments |
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| 10 | * and envelope for the new program. 32 should suffice, this gives |
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| 11 | * a maximum env+arg of 128kB w/4KB pages! |
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| 12 | */ |
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| 13 | #define MAX_ARG_PAGES 32 |
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| 14 | |||
| 15 | /* sizeof(linux_binprm->buf) */ |
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| 16 | #define BINPRM_BUF_SIZE 128 |
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| 17 | |||
| 18 | #ifdef __KERNEL__ |
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| 19 | |||
| 20 | /* |
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| 21 | * This structure is used to hold the arguments that are used when loading binaries. |
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| 22 | */ |
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| 23 | struct linux_binprm{ |
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| 24 | char buf[BINPRM_BUF_SIZE]; |
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| 25 | struct page *page[MAX_ARG_PAGES]; |
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| 26 | struct mm_struct *mm; |
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| 27 | unsigned long p; /* current top of mem */ |
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| 28 | int sh_bang; |
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| 29 | struct file * file; |
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| 30 | int e_uid, e_gid; |
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| 31 | kernel_cap_t cap_inheritable, cap_permitted, cap_effective; |
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| 32 | void *security; |
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| 33 | int argc, envc; |
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| 34 | char * filename; /* Name of binary as seen by procps */ |
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| 35 | char * interp; /* Name of the binary really executed. Most |
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| 36 | of the time same as filename, but could be |
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| 37 | different for binfmt_{misc,script} */ |
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| 38 | unsigned long loader, exec; |
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| 39 | }; |
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| 40 | |||
| 41 | /* |
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| 42 | * This structure defines the functions that are used to load the binary formats that |
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| 43 | * linux accepts. |
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| 44 | */ |
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| 45 | struct linux_binfmt { |
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| 46 | struct linux_binfmt * next; |
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| 47 | struct module *module; |
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| 48 | int (*load_binary)(struct linux_binprm *, struct pt_regs * regs); |
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| 49 | int (*load_shlib)(struct file *); |
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| 50 | int (*core_dump)(long signr, struct pt_regs * regs, struct file * file); |
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| 51 | unsigned long min_coredump; /* minimal dump size */ |
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| 52 | }; |
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| 53 | |||
| 54 | extern int register_binfmt(struct linux_binfmt *); |
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| 55 | extern int unregister_binfmt(struct linux_binfmt *); |
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| 56 | |||
| 57 | extern int prepare_binprm(struct linux_binprm *); |
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| 58 | extern void remove_arg_zero(struct linux_binprm *); |
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| 59 | extern int search_binary_handler(struct linux_binprm *,struct pt_regs *); |
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| 60 | extern int flush_old_exec(struct linux_binprm * bprm); |
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| 61 | extern int setup_arg_pages(struct linux_binprm * bprm); |
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| 62 | extern int copy_strings(int argc,char __user * __user * argv,struct linux_binprm *bprm); |
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| 63 | extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm); |
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| 64 | extern void compute_creds(struct linux_binprm *binprm); |
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| 65 | extern int do_coredump(long signr, int exit_code, struct pt_regs * regs); |
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| 66 | extern int set_binfmt(struct linux_binfmt *new); |
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| 67 | |||
| 68 | #endif /* __KERNEL__ */ |
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| 69 | #endif /* _LINUX_BINFMTS_H */ |