struct spwd *
pwd_to_spwd(const struct passwd *pw)
{
static struct spwd sp;
/*
* Nice, easy parts first. The name and passwd map directly
* from the old password structure to the new one.
*/
sp.sp_namp = pw->pw_name;
sp.sp_pwdp = pw->pw_passwd;
#ifdef ATT_AGE
/*
* AT&T-style password aging maps the sp_min, sp_max, and
* sp_lstchg information from the pw_age field, which appears
* after the encrypted password.
*/
if (pw->pw_age[0]) {
sp.sp_max = (c64i(pw->pw_age[0]) * WEEK) / SCALE;
if (pw->pw_age[1])
sp.sp_min = (c64i(pw->pw_age[1]) * WEEK) / SCALE;
else
sp.sp_min = (10000L * DAY) / SCALE;
if (pw->pw_age[1] && pw->pw_age[2])
sp.sp_lstchg = (a64l(pw->pw_age + 2) * WEEK) / SCALE;
else
sp.sp_lstchg = time((time_t *) 0) / SCALE;
} else
#endif
{
/*
* Defaults used if there is no pw_age information.
*/
sp.sp_min = 0;
sp.sp_max = (10000L * DAY) / SCALE;
sp.sp_lstchg = time((time_t *) 0) / SCALE;
}
/*
* These fields have no corresponding information in the password
* file. They are set to uninitialized values.
*/
sp.sp_warn = -1;
sp.sp_expire = -1;
sp.sp_inact = -1;
sp.sp_flag = -1;
return &sp;
}
/*
* a64l - convert a radix 64 string to a long integer
*/
long a64l(const char *s)
{
int i;
long value;
long shift = 0;
for (i = 0, value = 0L;i < 6 && *s;s++) {
value += (c64i (*s) << shift);
shift += 6;
}
return (value);
}
