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/*
* Copyright (C) 1999, 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#ifndef DNS_CONFIG_CONFIP_H
#define DNS_CONFIG_CONFIP_H 1
/*****
***** Module Info
*****/
/*
* Data structures used by the config file parser for managing address
* lists and address-match lists. These structures are reference counted,
* so clients can call 'attach' to increment the reference count. The
* normal destructors won't delete the data until the counter goes to zero.
*/
/*
* MP:
* Caller must do necessary locking
*
* Reliability:
*
* No problems known.
*
* Resources:
*
* Uses memory managers supplied by caller.
*
* Security:
*
* No issues.
*
*/
/***
*** Imports
***/
#include <config.h>
#include <sys/types.h>
#include <isc/region.h>
#include <isc/list.h>
#include <isc/magic.h>
#include <isc/mem.h>
#include <isc/net.h>
#include <dns/confcommon.h>
#define DNS_C_IPLIST_MAGIC 0x49706c73 /* Ipls */ /* dns_c_iplist */
#define DNS_C_IPMDIRECT_MAGIC 0x49506d64 /* IPmd */ /* dns_c_ipmatch_direct */
#define DNS_C_IPMINDIRECT_MAGIC 0x69506d69 /* iPmi */ /* dns_c_ipmatch_indirect */
#define DNS_C_IPMELEM_MAGIC 0x49704d65 /* IpMe */ /* dns_c_ipmatch_element */
#define DNS_C_IPMLIST_MAGIC 0x69706d6c /* ipml */ /* dns_c_ipmatchlist */
#define DNS_C_IPLIST_VALID(ptr) ISC_MAGIC_VALID(ptr,DNS_C_IPLIST_MAGIC)
#define DNS_C_IPDIRECT_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_C_IPMDIRECT_MAGIC)
#define DNS_C_IPINDIRECT_VALID(ptr) \
ISC_MAGIC_VALID(ptr, DNS_C_IPMINDIRECT_MAGIC)
#define DNS_C_IPMELEM_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_C_IPMELEM_MAGIC)
#define DNS_C_IPMLIST_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_C_IPMLIST_MAGIC)
/***
*** Types
***/
typedef struct dns_c_iplist dns_c_iplist_t;
typedef struct dns_c_ipmatch_direct dns_c_ipmatch_direct_t ;
typedef struct dns_c_ipmatch_indirect dns_c_ipmatch_indirect_t;
typedef struct dns_c_ipmatch_key dns_c_ipmatch_key_t;
typedef struct dns_c_ipmatch_element dns_c_ipmatchelement_t;
typedef struct dns_c_ipmatch_list dns_c_ipmatchlist_t;
/* A list of IP addresses (IPv4 or IPv6) */
struct dns_c_iplist {
isc_uint32_t magic;
isc_mem_t *mem;
int refcount;
isc_sockaddr_t *ips;
isc_uint32_t size;
isc_uint32_t nextidx;
};
struct dns_c_ipmatch_direct
{
isc_uint32_t magic;
isc_sockaddr_t address; /* XXX IPv6??? */
isc_uint32_t mask;
};
struct dns_c_ipmatch_indirect
{
isc_uint32_t magic;
isc_textregion_t refname; /* for acls, mostly. */
dns_c_ipmatchlist_t *list;
};
struct dns_c_ipmatch_element
{
isc_uint32_t magic;
dns_c_ipmatch_type_t type;
u_int flags;
union {
dns_c_ipmatch_direct_t direct;
dns_c_ipmatch_indirect_t indirect;
char *key;
char *aclname;
} u;
ISC_LINK(dns_c_ipmatchelement_t) next;
};
struct dns_c_ipmatch_list
{
isc_uint32_t magic;
isc_mem_t *mem;
int refcount;
ISC_LIST(dns_c_ipmatchelement_t) elements;
};
/***
*** Functions
***/
/*
* In all the functions below where an isc_mem_t is a parameter, that
* paramater will be used for all memory allocation.
*/
isc_result_t dns_c_ipmatchelement_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result);
isc_result_t dns_c_ipmatchelement_delete(isc_mem_t *mem,
dns_c_ipmatchelement_t **ipme);
isc_result_t dns_c_ipmatchelement_copy(isc_mem_t *mem,
dns_c_ipmatchelement_t **dest,
dns_c_ipmatchelement_t *src);
isc_result_t dns_c_ipmatchelement_print(FILE *fp, int indent,
dns_c_ipmatchelement_t *ime);
isc_boolean_t dns_c_ipmatchelement_isneg(dns_c_ipmatchelement_t *elem);
isc_result_t dns_c_ipmatch_negate(dns_c_ipmatchelement_t *ipe);
isc_result_t dns_c_ipmatch_aclnew(isc_mem_t *mem,
dns_c_ipmatchelement_t **result,
const char *aclname);
isc_result_t dns_c_ipmatchkey_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result,
const char *key);
isc_result_t dns_c_ipmatchlocalhost_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result);
isc_result_t dns_c_ipmatchlocalnets_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result);
isc_result_t dns_c_ipmatchpattern_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result,
isc_sockaddr_t address,
isc_uint32_t maskbits);
isc_result_t dns_c_ipmatchindirect_new(isc_mem_t *mem,
dns_c_ipmatchelement_t **result,
dns_c_ipmatchlist_t *iml,
const char *name);
isc_result_t dns_c_ipmatchlist_new(isc_mem_t *mem,
dns_c_ipmatchlist_t **ptr);
isc_result_t dns_c_ipmatchlist_detach(dns_c_ipmatchlist_t **ml);
void dns_c_ipmatchlist_attach(dns_c_ipmatchlist_t *source,
dns_c_ipmatchlist_t **target);
isc_result_t dns_c_ipmatchlist_copy(isc_mem_t *mem,
dns_c_ipmatchlist_t **dest,
dns_c_ipmatchlist_t *src);
isc_result_t dns_c_ipmatchlist_empty(dns_c_ipmatchlist_t *ipml);
isc_result_t dns_c_ipmatchlist_append(dns_c_ipmatchlist_t *dest,
dns_c_ipmatchlist_t *src,
isc_boolean_t negate);
isc_result_t dns_c_ipmatchlist_print(FILE *fp, int indent,
dns_c_ipmatchlist_t *iml);
isc_result_t dns_c_iplist_new(isc_mem_t *mem, int length,
dns_c_iplist_t **newlist);
isc_result_t dns_c_iplist_detach(dns_c_iplist_t **list);
isc_result_t dns_c_iplist_copy(isc_mem_t *mem, dns_c_iplist_t **dest,
dns_c_iplist_t *src);
void dns_c_iplist_attach(dns_c_iplist_t *source,
dns_c_iplist_t **target);
isc_result_t dns_c_iplist_append(dns_c_iplist_t *list,
isc_sockaddr_t newaddr);
isc_result_t dns_c_iplist_remove(dns_c_iplist_t *list,
isc_sockaddr_t newaddr);
void dns_c_iplist_print(FILE *fp, int indent,
dns_c_iplist_t *list);
isc_boolean_t dns_c_iplist_equal(dns_c_iplist_t *list1,
dns_c_iplist_t *list2);
isc_boolean_t dns_c_ipmatchelement_equal(dns_c_ipmatchelement_t *e1,
dns_c_ipmatchelement_t *e2);
isc_boolean_t dns_c_ipmatchlist_equal(dns_c_ipmatchlist_t *l1,
dns_c_ipmatchlist_t *l2);
#endif /* DNS_CONFIG_CONFIP_H */
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