static void
is_broken(WF *wf)
{
wf->broken = time(0) + WHITE_BROKEN_DELAY;
/* This is racy, but the worst that can happen is that
* another process races to set the retry timer */
if (!(wf->wf_flags & WF_RO) && wf->wtbl) {
wf->wtbl->hdr.broken = wf->broken;
sync_white(wf);
}
}
static void
unmap_white_ht(WF *wf)
{
if (!wf->wtbl)
return;
sync_white(wf);
#ifdef DCC_WIN32
dcc_win32_unmap(&wf->ht_map, wf->wtbl, wf->ht_nm);
#else
if (0 > munmap((void *)wf->wtbl, wf->wtbl_size))
dcc_error_msg("munmap(%s,%d): %s",
wf->ht_nm, wf->wtbl_size, ERROR_STR());
#endif
wf->wtbl = 0;
}
int
dbupdate(char *dbname, char *ip)
{
HASHINFO hashinfo;
DBT dbk, dbd;
DB *db;
struct gdata gd;
time_t now;
int r;
struct in_addr ia;
now = time(NULL);
memset(&hashinfo, 0, sizeof(hashinfo));
db = dbopen(dbname, O_EXLOCK|O_RDWR, 0600, DB_HASH, &hashinfo);
if (db == NULL) {
logmsg(LOG_ERR, "Can not open db %s: %s", dbname,
strerror(errno));
return (-1);
}
if (inet_pton(AF_INET, ip, &ia) != 1) {
logmsg(LOG_NOTICE, "Invalid IP address %s", ip);
goto bad;
}
memset(&dbk, 0, sizeof(dbk));
dbk.size = strlen(ip);
dbk.data = ip;
memset(&dbd, 0, sizeof(dbd));
/* add or update whitelist entry */
r = db->get(db, &dbk, &dbd, 0);
if (r == -1) {
logmsg(LOG_NOTICE, "db->get failed (%m)");
goto bad;
}
if (r) {
/* new entry */
memset(&gd, 0, sizeof(gd));
gd.first = now;
gd.bcount = 1;
gd.pass = now;
gd.expire = now + whiteexp;
memset(&dbk, 0, sizeof(dbk));
dbk.size = strlen(ip);
dbk.data = ip;
memset(&dbd, 0, sizeof(dbd));
dbd.size = sizeof(gd);
dbd.data = &gd;
r = db->put(db, &dbk, &dbd, 0);
if (r) {
logmsg(LOG_NOTICE, "db->put failed (%m)");
goto bad;
}
} else {
if (dbd.size != sizeof(gd)) {
/* whatever this is, it doesn't belong */
db->del(db, &dbk, 0);
goto bad;
}
memcpy(&gd, dbd.data, sizeof(gd));
gd.pcount++;
gd.expire = now + whiteexp;
memset(&dbk, 0, sizeof(dbk));
dbk.size = strlen(ip);
dbk.data = ip;
memset(&dbd, 0, sizeof(dbd));
dbd.size = sizeof(gd);
dbd.data = &gd;
r = db->put(db, &dbk, &dbd, 0);
if (r) {
logmsg(LOG_NOTICE, "db->put failed (%m)");
goto bad;
}
}
db->close(db);
db = NULL;
if (syncsend)
sync_white(now, now + whiteexp, ip);
return (0);
bad:
db->close(db);
db = NULL;
return (-1);
}