+ /* If there is one, just use it, otherwise create a new one. */
+ if (ut) {
+ *utptr = *ut;
+ } else {
+ if (picky)
+ bb_error_msg_and_die("no utmp entry found");
+
+ memset(utptr, 0, sizeof(*utptr));
+ utptr->ut_type = LOGIN_PROCESS;
+ utptr->ut_pid = pid;
+ strncpy(utptr->ut_line, short_tty, sizeof(utptr->ut_line));
+ /* This one is only 4 chars wide. Try to fit something
+ * remotely meaningful by skipping "tty"... */
+ strncpy(utptr->ut_id, short_tty + 3, sizeof(utptr->ut_id));
+ strncpy(utptr->ut_user, "LOGIN", sizeof(utptr->ut_user));
+ utptr->ut_time = time(NULL);
+ }
+ if (!picky) /* root login */
+ memset(utptr->ut_host, 0, sizeof(utptr->ut_host));
+}
+
+/*
+ * write_utent - put a USER_PROCESS entry in the utmp file
+ *
+ * write_utent changes the type of the current utmp entry to
+ * USER_PROCESS. the wtmp file will be updated as well.
+ */
+static void write_utent(struct utmp *utptr, const char *username)
+{
+ utptr->ut_type = USER_PROCESS;
+ strncpy(utptr->ut_user, username, sizeof(utptr->ut_user));
+ utptr->ut_time = time(NULL);
+ /* other fields already filled in by read_or_build_utent above */
+ setutent();
+ pututline(utptr);
+ endutent();
+#if ENABLE_FEATURE_WTMP
+ if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) {
+ close(creat(bb_path_wtmp_file, 0664));
+ }
+ updwtmp(bb_path_wtmp_file, utptr);