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generated by cgit v1.2.2 (git 2.25.0) at 2025-03-11 22:41:00 -0400
s="hl opt">) || (!((elf_ex.e_machine == EM_386) || (elf_ex.e_machine == EM_486))) || (!bprm->file->f_op || !bprm->file->f_op->mmap)) { return -ENOEXEC; } bprm->sh_bang++; /* Well, the bang-shell is implicit... */ allow_write_access(bprm->file); fput(bprm->file); bprm->file = NULL; /* Unlike in the script case, we don't have to do any hairy * parsing to find our interpreter... it's hardcoded! */ interp = EM86_INTERP; i_name = EM86_I_NAME; i_arg = NULL; /* We reserve the right to add an arg later */ /* * Splice in (1) the interpreter's name for argv[0] * (2) (optional) argument to interpreter * (3) filename of emulated file (replace argv[0]) * * This is done in reverse order, because of how the * user environment and arguments are stored. */ remove_arg_zero(bprm); retval = copy_strings_kernel(1, &bprm->filename, bprm); if (retval < 0) return retval; bprm->argc++; if (i_arg) { retval = copy_strings_kernel(1, &i_arg, bprm); if (retval < 0) return retval; bprm->argc++; } retval = copy_strings_kernel(1, &i_name, bprm); if (retval < 0) return retval; bprm->argc++; /* * OK, now restart the process with the interpreter's inode. * Note that we use open_exec() as the name is now in kernel * space, and we don't need to copy it. */ file = open_exec(interp); if (IS_ERR(file)) return PTR_ERR(file); bprm->file = file; retval = prepare_binprm(bprm); if (retval < 0) return retval; return search_binary_handler(bprm, regs); } static struct linux_binfmt em86_format = { .module = THIS_MODULE, .load_binary = load_em86, }; static int __init init_em86_binfmt(void) { return register_binfmt(&em86_format); } static void __exit exit_em86_binfmt(void) { unregister_binfmt(&em86_format); } core_initcall(init_em86_binfmt); module_exit(exit_em86_binfmt); MODULE_LICENSE("GPL");