diff options
Diffstat (limited to 'contrib/bind9/lib/isccfg/aclconf.c')
| -rw-r--r-- | contrib/bind9/lib/isccfg/aclconf.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/contrib/bind9/lib/isccfg/aclconf.c b/contrib/bind9/lib/isccfg/aclconf.c deleted file mode 100644 index d7b41ce..0000000 --- a/contrib/bind9/lib/isccfg/aclconf.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2002 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 ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC 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. - */ - -/* $Id: aclconf.c,v 1.2.2.6 2006/03/02 00:37:22 marka Exp $ */ - -#include <config.h> - -#include <isc/mem.h> -#include <isc/string.h> /* Required for HP/UX (and others?) */ -#include <isc/util.h> - -#include <isccfg/namedconf.h> -#include <isccfg/aclconf.h> - -#include <dns/acl.h> -#include <dns/fixedname.h> -#include <dns/log.h> - -#define LOOP_MAGIC ISC_MAGIC('L','O','O','P') - -void -cfg_aclconfctx_init(cfg_aclconfctx_t *ctx) { - ISC_LIST_INIT(ctx->named_acl_cache); -} - -void -cfg_aclconfctx_destroy(cfg_aclconfctx_t *ctx) { - dns_acl_t *dacl, *next; - for (dacl = ISC_LIST_HEAD(ctx->named_acl_cache); - dacl != NULL; - dacl = next) - { - next = ISC_LIST_NEXT(dacl, nextincache); - dns_acl_detach(&dacl); - } -} - -/* - * Find the definition of the named acl whose name is "name". - */ -static isc_result_t -get_acl_def(const cfg_obj_t *cctx, const char *name, const cfg_obj_t **ret) { - isc_result_t result; - const cfg_obj_t *acls = NULL; - const cfg_listelt_t *elt; - - result = cfg_map_get(cctx, "acl", &acls); - if (result != ISC_R_SUCCESS) - return (result); - for (elt = cfg_list_first(acls); - elt != NULL; - elt = cfg_list_next(elt)) { - const cfg_obj_t *acl = cfg_listelt_value(elt); - const char *aclname = cfg_obj_asstring(cfg_tuple_get(acl, "name")); - if (strcasecmp(aclname, name) == 0) { - *ret = cfg_tuple_get(acl, "value"); - return (ISC_R_SUCCESS); - } - } - return (ISC_R_NOTFOUND); -} - -static isc_result_t -convert_named_acl(const cfg_obj_t *nameobj, const cfg_obj_t *cctx, - isc_log_t *lctx, cfg_aclconfctx_t *ctx, - isc_mem_t *mctx, dns_acl_t **target) -{ - isc_result_t result; - const cfg_obj_t *cacl = NULL; - dns_acl_t *dacl; - dns_acl_t loop; - const char *aclname = cfg_obj_asstring(nameobj); - - /* Look for an already-converted version. */ - for (dacl = ISC_LIST_HEAD(ctx->named_acl_cache); - dacl != NULL; - dacl = ISC_LIST_NEXT(dacl, nextincache)) - { - if (strcasecmp(aclname, dacl->name) == 0) { - if (ISC_MAGIC_VALID(dacl, LOOP_MAGIC)) { - cfg_obj_log(nameobj, lctx, ISC_LOG_ERROR, - "acl loop detected: %s", aclname); - return (ISC_R_FAILURE); - } - dns_acl_attach(dacl, target); - return (ISC_R_SUCCESS); - } - } - /* Not yet converted. Convert now. */ - result = get_acl_def(cctx, aclname, &cacl); - if (result != ISC_R_SUCCESS) { - cfg_obj_log(nameobj, lctx, ISC_LOG_WARNING, - "undefined ACL '%s'", aclname); - return (result); - } - /* - * Add a loop detection element. - */ - memset(&loop, 0, sizeof(loop)); - ISC_LINK_INIT(&loop, nextincache); - DE_CONST(aclname, loop.name); - loop.magic = LOOP_MAGIC; - ISC_LIST_APPEND(ctx->named_acl_cache, &loop, nextincache); - result = cfg_acl_fromconfig(cacl, cctx, lctx, ctx, mctx, &dacl); - ISC_LIST_UNLINK(ctx->named_acl_cache, &loop, nextincache); - loop.magic = 0; - loop.name = NULL; - if (result != ISC_R_SUCCESS) - return (result); - dacl->name = isc_mem_strdup(dacl->mctx, aclname); - if (dacl->name == NULL) - return (ISC_R_NOMEMORY); - ISC_LIST_APPEND(ctx->named_acl_cache, dacl, nextincache); - dns_acl_attach(dacl, target); - return (ISC_R_SUCCESS); -} - -static isc_result_t -convert_keyname(const cfg_obj_t *keyobj, isc_log_t *lctx, isc_mem_t *mctx, - dns_name_t *dnsname) -{ - isc_result_t result; - isc_buffer_t buf; - dns_fixedname_t fixname; - unsigned int keylen; - const char *txtname = cfg_obj_asstring(keyobj); - - keylen = strlen(txtname); - isc_buffer_init(&buf, txtname, keylen); - isc_buffer_add(&buf, keylen); - dns_fixedname_init(&fixname); - result = dns_name_fromtext(dns_fixedname_name(&fixname), &buf, - dns_rootname, ISC_FALSE, NULL); - if (result != ISC_R_SUCCESS) { - cfg_obj_log(keyobj, lctx, ISC_LOG_WARNING, - "key name '%s' is not a valid domain name", - txtname); - return (result); - } - return (dns_name_dup(dns_fixedname_name(&fixname), mctx, dnsname)); -} - -isc_result_t -cfg_acl_fromconfig(const cfg_obj_t *caml, - const cfg_obj_t *cctx, - isc_log_t *lctx, - cfg_aclconfctx_t *ctx, - isc_mem_t *mctx, - dns_acl_t **target) -{ - isc_result_t result; - unsigned int count; - dns_acl_t *dacl = NULL; - dns_aclelement_t *de; - const cfg_listelt_t *elt; - - REQUIRE(target != NULL && *target == NULL); - - count = 0; - for (elt = cfg_list_first(caml); - elt != NULL; - elt = cfg_list_next(elt)) - count++; - - result = dns_acl_create(mctx, count, &dacl); - if (result != ISC_R_SUCCESS) - return (result); - - de = dacl->elements; - for (elt = cfg_list_first(caml); - elt != NULL; - elt = cfg_list_next(elt)) - { - const cfg_obj_t *ce = cfg_listelt_value(elt); - if (cfg_obj_istuple(ce)) { - /* This must be a negated element. */ - ce = cfg_tuple_get(ce, "value"); - de->negative = ISC_TRUE; - } else { - de->negative = ISC_FALSE; - } - - if (cfg_obj_isnetprefix(ce)) { - /* Network prefix */ - de->type = dns_aclelementtype_ipprefix; - - cfg_obj_asnetprefix(ce, - &de->u.ip_prefix.address, - &de->u.ip_prefix.prefixlen); - } else if (cfg_obj_istype(ce, &cfg_type_keyref)) { - /* Key name */ - de->type = dns_aclelementtype_keyname; - dns_name_init(&de->u.keyname, NULL); - result = convert_keyname(ce, lctx, mctx, - &de->u.keyname); - if (result != ISC_R_SUCCESS) - goto cleanup; - } else if (cfg_obj_islist(ce)) { - /* Nested ACL */ - de->type = dns_aclelementtype_nestedacl; - result = cfg_acl_fromconfig(ce, cctx, lctx, ctx, - mctx, &de->u.nestedacl); - if (result != ISC_R_SUCCESS) - goto cleanup; - } else if (cfg_obj_isstring(ce)) { - /* ACL name */ - const char *name = cfg_obj_asstring(ce); - if (strcasecmp(name, "localhost") == 0) { - de->type = dns_aclelementtype_localhost; - } else if (strcasecmp(name, "localnets") == 0) { - de->type = dns_aclelementtype_localnets; - } else if (strcasecmp(name, "any") == 0) { - de->type = dns_aclelementtype_any; - } else if (strcasecmp(name, "none") == 0) { - de->type = dns_aclelementtype_any; - de->negative = ISC_TF(! de->negative); - } else { - de->type = dns_aclelementtype_nestedacl; - result = convert_named_acl(ce, cctx, lctx, - ctx, mctx, - &de->u.nestedacl); - if (result != ISC_R_SUCCESS) - goto cleanup; - } - } else { - cfg_obj_log(ce, lctx, ISC_LOG_WARNING, - "address match list contains " - "unsupported element type"); - result = ISC_R_FAILURE; - goto cleanup; - } - de++; - dacl->length++; - } - - *target = dacl; - return (ISC_R_SUCCESS); - - cleanup: - dns_acl_detach(&dacl); - return (result); -} |
