/*
* opie_haopie()
*
* Returns: 1 user doesnt exist, -1 file error, 0 user exists.
*
*/
int
opie_haskey(char *username)
{
struct opie opie;
return opielookup(&opie, username);
}
/*
* opie_passverify()
*
* Check to see if answer is the correct one to the current
* challenge.
*
* Returns: 0 success, -1 failure
*
*/
int
opie_passverify(char *username, char *passwd)
{
int i;
struct opie opie;
i = opielookup(&opie, username);
if (i == -1 || i == 1)
return(-1);
if (opieverify(&opie, passwd) == 0)
return(opie.opie_n);
return(-1);
}
This function MUST eventually be followed by an opieverify() to release
the user lock and file handles.
This function will give you a blanked-out state block if it returns a
nonzero status. Even though it returns a non-zero status and a blank
state block, you still MUST call opieverify() to clear the lock and
any internal state (the latter condition is not actually used yet).
*/
static char *algids[] = { NULL, NULL, NULL, "sha1", "md4", "md5" };
int opiechallenge FUNCTION((mp, name, ss), struct opie *mp AND char *name AND char *ss)
{
int rval = -1;
rval = opielookup(mp, name);
#if DEBUG
if (rval) syslog(LOG_DEBUG, "opiechallenge: opielookup(mp, name=%s) returned %d", name, rval);
#endif /* DEBUG */
if (!rval) {
rval = opielock(name);
#if DEBUG
if (rval) syslog(LOG_DEBUG, "opiechallenge: opielock(name=%s) returned %d", name, rval);
#endif /* DEBUG */
}
if (rval ||
(snprintf(ss, OPIE_CHALLENGE_MAX, "otp-%s %d %s ext", algids[MDX], mp->opie_n - 1, mp->opie_seed) >= OPIE_CHALLENGE_MAX)) {
opierandomchallenge(ss);
memset(mp, 0, sizeof(*mp));
