/*
- * charybdis: an advanced internet relay chat daemon (ircd).
+ * Solanum: a slightly advanced ircd
* hostmask.c: Code to efficiently find IP & hostmask based configs.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
static unsigned long hash_ipv4(struct sockaddr *, int);
-/* int parse_netmask(const char *, struct rb_sockaddr_storage *, int *);
- * Input: A hostmask, or an IPV4/6 address.
- * Output: An integer describing whether it is an IPV4, IPV6 address or a
- * hostmask, an address(if it is an IP mask),
- * a bitlength(if it is IP mask).
- * Side effects: None
- */
-int
-parse_netmask(const char *text, struct rb_sockaddr_storage *naddr, int *nb)
+static int
+_parse_netmask(const char *text, struct rb_sockaddr_storage *naddr, int *nb, bool strict)
{
char *ip = LOCAL_COPY(text);
char *ptr;
+ char *endp;
struct rb_sockaddr_storage *addr, xaddr;
int *b, xb;
if(nb == NULL)
{
*ptr = '\0';
ptr++;
- *b = atoi(ptr);
- if(*b > 128)
- *b = 128;
- else if(*b < 0)
+ long n = strtol(ptr, &endp, 10);
+ if (endp == ptr || n < 0)
return HM_HOST;
+ if (n > 128 || *endp != '\0')
+ {
+ if (strict)
+ return HM_ERROR;
+ else
+ n = 128;
+ }
+ *b = n;
} else
*b = 128;
if(rb_inet_pton_sock(ip, addr) > 0)
{
*ptr = '\0';
ptr++;
- *b = atoi(ptr);
- if(*b > 32)
- *b = 32;
- else if(*b < 0)
+ long n = strtol(ptr, &endp, 10);
+ if (endp == ptr || n < 0)
return HM_HOST;
+ if (n > 32 || *endp != '\0')
+ {
+ if (strict)
+ return HM_ERROR;
+ else
+ n = 32;
+ }
+ *b = n;
} else
*b = 32;
if(rb_inet_pton_sock(ip, addr) > 0)
return HM_HOST;
}
+/* int parse_netmask(const char *, struct rb_sockaddr_storage *, int *);
+ * Input: A hostmask, or an IPV4/6 address.
+ * Output: An integer describing whether it is an IPV4, IPV6 address or a
+ * hostmask, an address(if it is an IP mask),
+ * a bitlength(if it is IP mask).
+ * Side effects: None
+ */
+int parse_netmask(const char *mask, struct rb_sockaddr_storage *addr, int *blen)
+{
+ return _parse_netmask(mask, addr, blen, false);
+}
+
+int parse_netmask_strict(const char *mask, struct rb_sockaddr_storage *addr, int *blen)
+{
+ return _parse_netmask(mask, addr, blen, true);
+}
+
/* Hashtable stuff...now external as its used in m_stats.c */
struct AddressRec *atable[ATABLE_SIZE];
return NULL;
}
-/* void find_exact_conf_by_address(const char*, int, const char *)
- * Input:
- * Output: ConfItem if found
- * Side-effects: None
- */
struct ConfItem *
-find_exact_conf_by_address(const char *address, int type, const char *username)
+find_exact_conf_by_address_filtered(const char *address, int type, const char *username, bool (*filter)(struct ConfItem *))
{
int masktype, bits;
unsigned long hv;
arec->masktype == masktype &&
(arec->username == NULL || username == NULL ? arec->username == username : !irccmp(arec->username, username)))
{
+ if (filter && !filter(arec->aconf))
+ continue;
+
if (masktype == HM_HOST)
{
if (!irccmp(arec->Mask.hostname, address))
return NULL;
}
+/* void find_exact_conf_by_address(const char*, int, const char *)
+ * Input:
+ * Output: ConfItem if found
+ * Side-effects: None
+ */
+struct ConfItem *
+find_exact_conf_by_address(const char *address, int type, const char *username)
+{
+ return find_exact_conf_by_address_filtered(address, type, username, NULL);
+}
+
/* void add_conf_by_address(const char*, int, const char *,
* struct ConfItem *aconf)
* Input:
* them, otherwise sets them as illegal.
*/
void
-clear_out_address_conf(void)
+clear_out_address_conf(enum aconf_category clear_type)
{
int i;
struct AddressRec **store_next;
store_next = &atable[i];
for (arec = atable[i]; arec; arec = arecn)
{
+ enum aconf_category cur_type;
arecn = arec->next;
- /* We keep the temporary K-lines and destroy the
- * permanent ones, just to be confusing :) -A1kmm */
- if(arec->aconf->flags & CONF_FLAGS_TEMPORARY ||
- (arec->type != CONF_CLIENT && arec->type != CONF_EXEMPTDLINE))
- {
- *store_next = arec;
- store_next = &arec->next;
- }
- else
- {
- arec->aconf->status |= CONF_ILLEGAL;
- if(!arec->aconf->clients)
- free_conf(arec->aconf);
- rb_free(arec);
- }
- }
- *store_next = NULL;
- }
-}
-void
-clear_out_address_conf_bans(void)
-{
- int i;
- struct AddressRec **store_next;
- struct AddressRec *arec, *arecn;
+ if (arec->type == CONF_CLIENT || arec->type == CONF_EXEMPTDLINE || arec->type == CONF_SECURE)
+ cur_type = AC_CONFIG;
+ else
+ cur_type = AC_BANDB;
- for (i = 0; i < ATABLE_SIZE; i++)
- {
- store_next = &atable[i];
- for (arec = atable[i]; arec; arec = arecn)
- {
- arecn = arec->next;
/* We keep the temporary K-lines and destroy the
* permanent ones, just to be confusing :) -A1kmm */
- if(arec->aconf->flags & CONF_FLAGS_TEMPORARY ||
- (arec->type == CONF_CLIENT || arec->type == CONF_EXEMPTDLINE))
+ if (arec->aconf->flags & CONF_FLAGS_TEMPORARY || cur_type != clear_type)
{
*store_next = arec;
store_next = &arec->next;
}
}
-
/*
* show_iline_prefix()
*