36 static int prepare_binprm(struct linux_binprm *bprm)  in prepare_binprm()  argument
42     if (fstat(bprm->src.fd, &st) < 0) {  in prepare_binprm()
54     bprm->e_uid = geteuid();  in prepare_binprm()
55     bprm->e_gid = getegid();  in prepare_binprm()
59         bprm->e_uid = st.st_uid;  in prepare_binprm()
69         bprm->e_gid = st.st_gid;  in prepare_binprm()
72     retval = read(bprm->src.fd, bprm->buf, BPRM_BUF_SIZE);  in prepare_binprm()
79         memset(bprm->buf + retval, 0, BPRM_BUF_SIZE - retval);  in prepare_binprm()
82     bprm->src.cache = bprm->buf;  in prepare_binprm()
83     bprm->src.cache_size = retval;  in prepare_binprm()
143                 struct linux_binprm *bprm)  in loader_exec()  argument
147     bprm->src.fd = fdexec;  in loader_exec()
148     bprm->filename = (char *)filename;  in loader_exec()
149     bprm->argc = count(argv);  in loader_exec()
150     bprm->argv = argv;  in loader_exec()
151     bprm->envc = count(envp);  in loader_exec()
152     bprm->envp = envp;  in loader_exec()
154     retval = prepare_binprm(bprm);  in loader_exec()
159     if (bprm->buf[0] == 0x7f  in loader_exec()
160         && bprm->buf[1] == 'E'  in loader_exec()
161         && bprm->buf[2] == 'L'  in loader_exec()
162         && bprm->buf[3] == 'F') {  in loader_exec()
163         retval = load_elf_binary(bprm, infop);  in loader_exec()
165     } else if (bprm->buf[0] == 'b'  in loader_exec()
166                && bprm->buf[1] == 'F'  in loader_exec()
167                && bprm->buf[2] == 'L'  in loader_exec()
168                && bprm->buf[3] == 'T') {  in loader_exec()
169         retval = load_flt_binary(bprm, infop);  in loader_exec()