static int
ipf_modunload(void)
{
int error, i;
if (fr_refcnt)
return EBUSY;
if (fr_running >= 0) {
ipf_pfil_unhook();
ipf_event_dereg();
WRITE_ENTER(&ipf_global);
error = ipfdetach();
RWLOCK_EXIT(&ipf_global);
if (error != 0)
return error;
} else
error = 0;
RW_DESTROY(&ipf_global);
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_frcache);
fr_running = -2;
for (i = 0; ipf_devfiles[i]; i++) {
if (ipf_devs[i] != NULL)
destroy_dev(ipf_devs[i]);
}
printf("%s unloaded\n", ipfilter_version);
return error;
}
static int
ipf_modload(void)
{
char *defpass, *c, *str;
int i, j, error;
RWLOCK_INIT(&ipf_global, "ipf filter load/unload mutex");
RWLOCK_INIT(&ipf_mutex, "ipf filter rwlock");
RWLOCK_INIT(&ipf_frcache, "ipf cache rwlock");
error = ipfattach();
if (error) {
RW_DESTROY(&ipf_global);
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_frcache);
return error;
}
for (i = 0; i < IPL_LOGSIZE; i++)
ipf_devs[i] = NULL;
for (i = 0; (str = ipf_devfiles[i]); i++) {
c = NULL;
for(j = strlen(str); j > 0; j--)
if (str[j] == '/') {
c = str + j + 1;
break;
}
if (!c)
c = str;
ipf_devs[i] = make_dev(&ipl_cdevsw, i, 0, 0, 0600, c);
}
error = ipf_pfil_hook();
if (error != 0)
return error;
ipf_event_reg();
if (FR_ISPASS(fr_pass))
defpass = "******";
else if (FR_ISBLOCK(fr_pass))
defpass = "******";
else
defpass = "******";
printf("%s initialized. Default = %s all, Logging = %s%s\n",
ipfilter_version, defpass,
#ifdef IPFILTER_LOG
"enabled",
#else
"disabled",
#endif
#ifdef IPFILTER_COMPILED
" (COMPILED)"
#else
""
#endif
);
return 0;
}
int _fini(void)
{
int status;
status = mod_remove(&modlink1);
if (status != 0)
return status;
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_global);
return status;
}
void fr_scanunload()
{
if (ipsc_inited == 1) {
RW_DESTROY(&ipsc_rwlock);
ipsc_inited = 0;
}
}
int _init()
{
int status;
/*
* Initialize mutex's
*/
RWLOCK_INIT(&ipf_global, "ipf filter load/unload mutex");
RWLOCK_INIT(&ipf_mutex, "ipf filter rwlock");
status = mod_install(&modlink1);
if (status != 0) {
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_global);
}
return status;
}
/* ------------------------------------------------------------------------ */
void ip_lookup_unload()
{
ip_pool_fini();
fr_htable_unload();
if (ip_lookup_inited == 1) {
RW_DESTROY(&ip_poolrw);
ip_lookup_inited = 0;
}
}
