struct utmpx *
getutxid(const struct utmpx *id)
{
struct futx fu;
for (;;) {
if (getfutxent(&fu) != 0)
return (NULL);
switch (fu.fu_type) {
case USER_PROCESS:
case INIT_PROCESS:
case LOGIN_PROCESS:
case DEAD_PROCESS:
switch (id->ut_type) {
case USER_PROCESS:
case INIT_PROCESS:
case LOGIN_PROCESS:
case DEAD_PROCESS:
if (memcmp(fu.fu_id, id->ut_id,
MIN(sizeof(fu.fu_id), sizeof(id->ut_id))) ==
0)
goto found;
}
break;
default:
if (fu.fu_type == id->ut_type)
goto found;
break;
}
}
found:
return (futx_to_utx(&fu));
}
struct utmpx *
getutxent(void)
{
struct futx fu;
if (getfutxent(&fu) != 0)
return (NULL);
return (futx_to_utx(&fu));
}
struct utmpx *
pututxline(const struct utmpx *utmpx)
{
struct futx fu;
int bad;
bad = 0;
utx_to_futx(utmpx, &fu);
switch (fu.fu_type) {
case BOOT_TIME:
utx_active_init(&fu);
utx_lastlogin_upgrade();
break;
case SHUTDOWN_TIME:
utx_active_purge();
break;
case OLD_TIME:
case NEW_TIME:
break;
case USER_PROCESS:
bad |= utx_active_add(&fu);
bad |= utx_lastlogin_add(&fu);
break;
#if 0 /* XXX: Are these records of any use to us? */
case INIT_PROCESS:
case LOGIN_PROCESS:
bad |= utx_active_add(&fu);
break;
#endif
case DEAD_PROCESS:
/*
* In case writing a logout entry fails, never attempt
* to write it to utx.log. The logout entry's ut_id
* might be invalid.
*/
if (utx_active_remove(&fu) != 0)
return (NULL);
break;
default:
errno = EINVAL;
return (NULL);
}
bad |= utx_log_add(&fu);
return (bad ? NULL : futx_to_utx(&fu));
}
struct utmpx *
getutxuser(const char *user)
{
struct futx fu;
for (;;) {
if (getfutxent(&fu) != 0)
return (NULL);
switch (fu.fu_type) {
case USER_PROCESS:
if (strncmp(fu.fu_user, user, sizeof(fu.fu_user)) == 0)
goto found;
break;
}
}
found:
return (futx_to_utx(&fu));
}
struct utmpx *
getutxline(const struct utmpx *line)
{
struct futx fu;
for (;;) {
if (getfutxent(&fu) != 0)
return (NULL);
switch (fu.fu_type) {
case USER_PROCESS:
case LOGIN_PROCESS:
if (strncmp(fu.fu_line, line->ut_line,
MIN(sizeof(fu.fu_line), sizeof(line->ut_line))) ==
0)
goto found;
break;
}
}
found:
return (futx_to_utx(&fu));
}
