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Diffstat (limited to 'external/unbound/iterator/iter_donotq.c')
| -rw-r--r-- | external/unbound/iterator/iter_donotq.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/external/unbound/iterator/iter_donotq.c b/external/unbound/iterator/iter_donotq.c deleted file mode 100644 index 40ffb45c4..000000000 --- a/external/unbound/iterator/iter_donotq.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * iterator/iter_donotq.c - iterative resolver donotqueryaddresses storage. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * This file contains functions to assist the iterator module. - * The donotqueryaddresses are stored and looked up. These addresses - * (like 127.0.0.1) must not be used to send queries to, and can be - * discarded immediately from the server selection. - */ -#include "config.h" -#include "iterator/iter_donotq.h" -#include "util/regional.h" -#include "util/log.h" -#include "util/config_file.h" -#include "util/net_help.h" - -struct iter_donotq* -donotq_create(void) -{ - struct iter_donotq* dq = (struct iter_donotq*)calloc(1, - sizeof(struct iter_donotq)); - if(!dq) - return NULL; - dq->region = regional_create(); - if(!dq->region) { - donotq_delete(dq); - return NULL; - } - return dq; -} - -void -donotq_delete(struct iter_donotq* dq) -{ - if(!dq) - return; - regional_destroy(dq->region); - free(dq); -} - -/** insert new address into donotq structure */ -static int -donotq_insert(struct iter_donotq* dq, struct sockaddr_storage* addr, - socklen_t addrlen, int net) -{ - struct addr_tree_node* node = (struct addr_tree_node*)regional_alloc( - dq->region, sizeof(*node)); - if(!node) - return 0; - if(!addr_tree_insert(&dq->tree, node, addr, addrlen, net)) { - verbose(VERB_QUERY, "duplicate donotquery address ignored."); - } - return 1; -} - -/** apply donotq string */ -static int -donotq_str_cfg(struct iter_donotq* dq, const char* str) -{ - struct sockaddr_storage addr; - int net; - socklen_t addrlen; - verbose(VERB_ALGO, "donotq: %s", str); - if(!netblockstrtoaddr(str, UNBOUND_DNS_PORT, &addr, &addrlen, &net)) { - log_err("cannot parse donotquery netblock: %s", str); - return 0; - } - if(!donotq_insert(dq, &addr, addrlen, net)) { - log_err("out of memory"); - return 0; - } - return 1; -} - -/** read donotq config */ -static int -read_donotq(struct iter_donotq* dq, struct config_file* cfg) -{ - struct config_strlist* p; - for(p = cfg->donotqueryaddrs; p; p = p->next) { - log_assert(p->str); - if(!donotq_str_cfg(dq, p->str)) - return 0; - } - return 1; -} - -int -donotq_apply_cfg(struct iter_donotq* dq, struct config_file* cfg) -{ - regional_free_all(dq->region); - addr_tree_init(&dq->tree); - if(!read_donotq(dq, cfg)) - return 0; - if(cfg->donotquery_localhost) { - if(!donotq_str_cfg(dq, "127.0.0.0/8")) - return 0; - if(cfg->do_ip6) { - if(!donotq_str_cfg(dq, "::1")) - return 0; - } - } - addr_tree_init_parents(&dq->tree); - return 1; -} - -int -donotq_lookup(struct iter_donotq* donotq, struct sockaddr_storage* addr, - socklen_t addrlen) -{ - return addr_tree_lookup(&donotq->tree, addr, addrlen) != NULL; -} - -size_t -donotq_get_mem(struct iter_donotq* donotq) -{ - if(!donotq) return 0; - return sizeof(*donotq) + regional_get_mem(donotq->region); -} |