static isc_result_t check_node(dns_rdataset_t *rootns, dns_name_t *name, dns_rdatasetiter_t *rdsiter) { isc_result_t result; dns_rdataset_t rdataset; dns_rdataset_init(&rdataset); result = dns_rdatasetiter_first(rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current(rdsiter, &rdataset); switch (rdataset.type) { case dns_rdatatype_a: case dns_rdatatype_aaaa: result = in_rootns(rootns, name); if (result != ISC_R_SUCCESS) goto cleanup; break; case dns_rdatatype_ns: if (dns_name_compare(name, dns_rootname) == 0) break; /*FALLTHROUGH*/ default: result = ISC_R_FAILURE; goto cleanup; } dns_rdataset_disassociate(&rdataset); result = dns_rdatasetiter_next(rdsiter); } if (result == ISC_R_NOMORE) result = ISC_R_SUCCESS; cleanup: if (dns_rdataset_isassociated(&rdataset)) dns_rdataset_disassociate(&rdataset); return (result); }
static isc_result_t db_rr_iterator_next(db_rr_iterator_t *it) { if (it->result != ISC_R_SUCCESS) return (it->result); INSIST(it->dbit != NULL); INSIST(it->node != NULL); INSIST(it->rdatasetit != NULL); it->result = dns_rdataset_next(&it->rdataset); if (it->result == ISC_R_NOMORE) { dns_rdataset_disassociate(&it->rdataset); it->result = dns_rdatasetiter_next(it->rdatasetit); /* * The while loop body is executed more than once * only when an empty dbnode needs to be skipped. */ while (it->result == ISC_R_NOMORE) { dns_rdatasetiter_destroy(&it->rdatasetit); dns_db_detachnode(it->db, &it->node); it->result = dns_dbiterator_next(it->dbit); if (it->result == ISC_R_NOMORE) { /* We are at the end of the entire database. */ return (it->result); } if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_dbiterator_current(it->dbit, &it->node, dns_fixedname_name(&it->fixedname)); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_db_allrdatasets(it->db, it->node, it->ver, it->now, &it->rdatasetit); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_rdatasetiter_first(it->rdatasetit); } if (it->result != ISC_R_SUCCESS) return (it->result); dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; it->result = dns_rdataset_first(&it->rdataset); if (it->result != ISC_R_SUCCESS) return (it->result); } return (it->result); }
static void print_rdatasets(dns_name_t *name, dns_rdatasetiter_t *rdsiter) { isc_result_t result; dns_rdataset_t rdataset; dns_rdataset_init(&rdataset); result = dns_rdatasetiter_first(rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current(rdsiter, &rdataset); print_rdataset(name, &rdataset); dns_rdataset_disassociate(&rdataset); result = dns_rdatasetiter_next(rdsiter); } if (result != ISC_R_NOMORE) print_result("", result); }
isc_result_t dns_rriterator_first(dns_rriterator_t *it) { REQUIRE(VALID_RRITERATOR(it)); /* Reset state */ if (dns_rdataset_isassociated(&it->rdataset)) dns_rdataset_disassociate(&it->rdataset); if (it->rdatasetit != NULL) dns_rdatasetiter_destroy(&it->rdatasetit); if (it->node != NULL) dns_db_detachnode(it->db, &it->node); it->result = dns_dbiterator_first(it->dbit); /* * The top node may be empty when out of zone glue exists. * Walk the tree to find the first node with data. */ while (it->result == ISC_R_SUCCESS) { it->result = dns_dbiterator_current(it->dbit, &it->node, dns_fixedname_name(&it->fixedname)); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_db_allrdatasets(it->db, it->node, it->ver, it->now, &it->rdatasetit); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_rdatasetiter_first(it->rdatasetit); if (it->result != ISC_R_SUCCESS) { /* * This node is empty. Try next node. */ dns_rdatasetiter_destroy(&it->rdatasetit); dns_db_detachnode(it->db, &it->node); it->result = dns_dbiterator_next(it->dbit); continue; } dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); dns_rdataset_getownercase(&it->rdataset, dns_fixedname_name(&it->fixedname)); it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; it->result = dns_rdataset_first(&it->rdataset); return (it->result); } return (it->result); }
static inline isc_boolean_t active_node (dns_db_t * db, dns_dbversion_t * version, dns_dbnode_t * node) { dns_rdatasetiter_t *rdsiter; isc_boolean_t active = ISC_FALSE; isc_result_t result; dns_rdataset_t rdataset; dns_rdataset_init (&rdataset); rdsiter = NULL; result = dns_db_allrdatasets (db, node, version, 0, &rdsiter); check_result (result, "dns_db_allrdatasets()"); result = dns_rdatasetiter_first (rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current (rdsiter, &rdataset); if (rdataset.type != dns_rdatatype_nsec) active = ISC_TRUE; dns_rdataset_disassociate (&rdataset); if (!active) result = dns_rdatasetiter_next (rdsiter); else result = ISC_R_NOMORE; } if (result != ISC_R_NOMORE) fatal ("rdataset iteration failed"); dns_rdatasetiter_destroy (&rdsiter); if (!active) { /* * Make sure there is no NSEC record for this node. */ result = dns_db_deleterdataset (db, node, version, dns_rdatatype_nsec, 0); if (result == DNS_R_UNCHANGED) result = ISC_R_SUCCESS; check_result (result, "dns_db_deleterdataset"); } return (active); }
isc_result_t dns_rriterator_nextrrset(dns_rriterator_t *it) { REQUIRE(VALID_RRITERATOR(it)); if (dns_rdataset_isassociated(&it->rdataset)) dns_rdataset_disassociate(&it->rdataset); it->result = dns_rdatasetiter_next(it->rdatasetit); /* * The while loop body is executed more than once * only when an empty dbnode needs to be skipped. */ while (it->result == ISC_R_NOMORE) { dns_rdatasetiter_destroy(&it->rdatasetit); dns_db_detachnode(it->db, &it->node); it->result = dns_dbiterator_next(it->dbit); if (it->result == ISC_R_NOMORE) { /* We are at the end of the entire database. */ return (it->result); } if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_dbiterator_current(it->dbit, &it->node, dns_fixedname_name(&it->fixedname)); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_db_allrdatasets(it->db, it->node, it->ver, it->now, &it->rdatasetit); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_rdatasetiter_first(it->rdatasetit); } if (it->result != ISC_R_SUCCESS) return (it->result); dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); dns_rdataset_getownercase(&it->rdataset, dns_fixedname_name(&it->fixedname)); it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; it->result = dns_rdataset_first(&it->rdataset); return (it->result); }
static isc_result_t db_rr_iterator_first(db_rr_iterator_t *it) { it->result = dns_dbiterator_first(it->dbit); /* * The top node may be empty when out of zone glue exists. * Walk the tree to find the first node with data. */ while (it->result == ISC_R_SUCCESS) { it->result = dns_dbiterator_current(it->dbit, &it->node, dns_fixedname_name(&it->fixedname)); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_db_allrdatasets(it->db, it->node, it->ver, it->now, &it->rdatasetit); if (it->result != ISC_R_SUCCESS) return (it->result); it->result = dns_rdatasetiter_first(it->rdatasetit); if (it->result != ISC_R_SUCCESS) { /* * This node is empty. Try next node. */ dns_rdatasetiter_destroy(&it->rdatasetit); dns_db_detachnode(it->db, &it->node); it->result = dns_dbiterator_next(it->dbit); continue; } dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; it->result = dns_rdataset_first(&it->rdataset); return (it->result); } return (it->result); }
int main (int *argc, char **argv) { isc_mem_t *mctx = NULL; isc_entropy_t *ectx = NULL; isc_result_t result; char *basedn; ldap_info *tmp; LDAPMod *base_attrs[2]; LDAPMod base; isc_buffer_t buff; char *zonefile; char fullbasedn[1024]; char *ctmp; dns_fixedname_t fixedzone, fixedname; dns_rdataset_t rdataset; char **dc_list; dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdatasetiter_t *riter; dns_name_t *zone, *name; dns_db_t *db = NULL; dns_dbiterator_t *dbit = NULL; dns_dbnode_t *node; extern char *optarg; extern int optind, opterr, optopt; int create_base = 0; int topt; if ((int) argc < 2) { usage (); exit (-1); } while ((topt = getopt ((int) argc, argv, "D:w:b:z:f:h:?dcv")) != -1) { switch (topt) { case 'v': printf("%s\n", VERSION); exit(0); case 'c': create_base++; break; case 'd': debug++; break; case 'D': binddn = strdup (optarg); break; case 'w': bindpw = strdup (optarg); break; case 'b': ldapbase = strdup (optarg); break; case 'z': argzone = strdup (optarg); // We wipe argzone all to hell when we parse it for the DN */ gbl_zone = strdup(argzone); break; case 'f': zonefile = strdup (optarg); break; case 'h': ldapsystem = strdup (optarg); break; case '?': default: usage (); exit (0); } } if ((argzone == NULL) || (zonefile == NULL)) { usage (); exit (-1); } if (debug) printf ("Initializing ISC Routines, parsing zone file\n"); result = isc_mem_create (0, 0, &mctx); isc_result_check (result, "isc_mem_create"); result = isc_entropy_create(mctx, &ectx); isc_result_check (result, "isc_entropy_create"); result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE); isc_result_check (result, "isc_hash_create"); isc_buffer_init (&buff, argzone, strlen (argzone)); isc_buffer_add (&buff, strlen (argzone)); dns_fixedname_init (&fixedzone); zone = dns_fixedname_name (&fixedzone); result = dns_name_fromtext (zone, &buff, dns_rootname, 0, NULL); isc_result_check (result, "dns_name_fromtext"); result = dns_db_create (mctx, "rbt", zone, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); isc_result_check (result, "dns_db_create"); result = dns_db_load (db, zonefile); isc_result_check (result, "Check Zone Syntax: dns_db_load"); result = dns_db_createiterator (db, 0, &dbit); isc_result_check (result, "dns_db_createiterator"); result = dns_dbiterator_first (dbit); isc_result_check (result, "dns_dbiterator_first"); dns_fixedname_init (&fixedname); name = dns_fixedname_name (&fixedname); dns_rdataset_init (&rdataset); dns_rdata_init (&rdata); while (result == ISC_R_SUCCESS) { node = NULL; result = dns_dbiterator_current (dbit, &node, name); if (result == ISC_R_NOMORE) break; isc_result_check (result, "dns_dbiterator_current"); riter = NULL; result = dns_db_allrdatasets (db, node, NULL, 0, &riter); isc_result_check (result, "dns_db_allrdatasets"); result = dns_rdatasetiter_first (riter); //isc_result_check(result, "dns_rdatasetiter_first"); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current (riter, &rdataset); result = dns_rdataset_first (&rdataset); isc_result_check (result, "dns_rdatasetiter_current"); while (result == ISC_R_SUCCESS) { dns_rdataset_current (&rdataset, &rdata); generate_ldap (name, &rdata, rdataset.ttl); dns_rdata_reset (&rdata); result = dns_rdataset_next (&rdataset); } dns_rdataset_disassociate (&rdataset); result = dns_rdatasetiter_next (riter); } dns_rdatasetiter_destroy (&riter); result = dns_dbiterator_next (dbit); } /* Initialize the LDAP Connection */ if (debug) printf ("Initializing LDAP Connection to %s as %s\n", ldapsystem, binddn); init_ldap_conn (); if (create_base) { if (debug) printf ("Creating base zone DN %s\n", argzone); dc_list = hostname_to_dn_list (argzone, argzone, DNS_TOP); basedn = build_dn_from_dc_list (dc_list, 0, NO_SPEC); for (ctmp = &basedn[strlen (basedn)]; ctmp >= &basedn[0]; ctmp--) { if ((*ctmp == ',') || (ctmp == &basedn[0])) { base.mod_op = LDAP_MOD_ADD; base.mod_type = "objectClass"; base.mod_values = topObjectClasses; base_attrs[0] = &base; base_attrs[1] = NULL; if (ldapbase) { if (ctmp != &basedn[0]) sprintf (fullbasedn, "%s,%s", ctmp + 1, ldapbase); else sprintf (fullbasedn, "%s,%s", ctmp, ldapbase); } else { if (ctmp != &basedn[0]) sprintf (fullbasedn, "%s", ctmp + 1); else sprintf (fullbasedn, "%s", ctmp); } result = ldap_add_s (conn, fullbasedn, base_attrs); ldap_result_check ("intial ldap_add_s", fullbasedn, result); } } } else { if (debug) printf ("Skipping zone base dn creation for %s\n", argzone); } for (tmp = ldap_info_base; tmp != NULL; tmp = tmp->next) { if (debug) printf ("Adding DN: %s\n", tmp->dn); add_ldap_values (tmp); } if (debug) printf("Operation Complete.\n"); /* Cleanup */ isc_hash_destroy(); isc_entropy_detach(&ectx); isc_mem_destroy(&mctx); if (zonefile) free(zonefile); return 0; }
static isc_result_t iterate_node(lwres_grbnresponse_t *grbn, dns_db_t *db, dns_dbnode_t *node, isc_mem_t *mctx) { int used = 0, count; int size = 8, oldsize = 0; unsigned char **rdatas = NULL, **oldrdatas = NULL, **newrdatas = NULL; lwres_uint16_t *lens = NULL, *oldlens = NULL, *newlens = NULL; dns_rdatasetiter_t *iter = NULL; dns_rdataset_t set; dns_ttl_t ttl = ISC_INT32_MAX; lwres_uint32_t flags = LWRDATA_VALIDATED; isc_result_t result = ISC_R_NOMEMORY; result = dns_db_allrdatasets(db, node, NULL, 0, &iter); if (result != ISC_R_SUCCESS) goto out; rdatas = isc_mem_get(mctx, size * sizeof(*rdatas)); if (rdatas == NULL) goto out; lens = isc_mem_get(mctx, size * sizeof(*lens)); if (lens == NULL) goto out; for (result = dns_rdatasetiter_first(iter); result == ISC_R_SUCCESS; result = dns_rdatasetiter_next(iter)) { result = ISC_R_NOMEMORY; dns_rdataset_init(&set); dns_rdatasetiter_current(iter, &set); if (set.type != dns_rdatatype_rrsig) { dns_rdataset_disassociate(&set); continue; } count = dns_rdataset_count(&set); if (used + count > size) { /* copy & reallocate */ oldsize = size; oldrdatas = rdatas; oldlens = lens; rdatas = NULL; lens = NULL; size *= 2; rdatas = isc_mem_get(mctx, size * sizeof(*rdatas)); if (rdatas == NULL) goto out; lens = isc_mem_get(mctx, size * sizeof(*lens)); if (lens == NULL) goto out; memmove(rdatas, oldrdatas, used * sizeof(*rdatas)); memmove(lens, oldlens, used * sizeof(*lens)); isc_mem_put(mctx, oldrdatas, oldsize * sizeof(*oldrdatas)); isc_mem_put(mctx, oldlens, oldsize * sizeof(*oldlens)); oldrdatas = NULL; oldlens = NULL; } if (set.ttl < ttl) ttl = set.ttl; if (set.trust != dns_trust_secure) flags &= (~LWRDATA_VALIDATED); result = fill_array(&used, &set, size, rdatas, lens); dns_rdataset_disassociate(&set); if (result != ISC_R_SUCCESS) goto out; } if (result == ISC_R_NOMORE) result = ISC_R_SUCCESS; if (result != ISC_R_SUCCESS) goto out; dns_rdatasetiter_destroy(&iter); /* * If necessary, shrink and copy the arrays. */ if (size != used) { result = ISC_R_NOMEMORY; newrdatas = isc_mem_get(mctx, used * sizeof(*rdatas)); if (newrdatas == NULL) goto out; newlens = isc_mem_get(mctx, used * sizeof(*lens)); if (newlens == NULL) goto out; memmove(newrdatas, rdatas, used * sizeof(*rdatas)); memmove(newlens, lens, used * sizeof(*lens)); isc_mem_put(mctx, rdatas, size * sizeof(*rdatas)); isc_mem_put(mctx, lens, size * sizeof(*lens)); grbn->rdatas = newrdatas; grbn->rdatalen = newlens; } else { grbn->rdatas = rdatas; grbn->rdatalen = lens; } grbn->nrdatas = used; grbn->ttl = ttl; grbn->flags = flags; return (ISC_R_SUCCESS); out: dns_rdatasetiter_destroy(&iter); if (rdatas != NULL) isc_mem_put(mctx, rdatas, size * sizeof(*rdatas)); if (lens != NULL) isc_mem_put(mctx, lens, size * sizeof(*lens)); if (oldrdatas != NULL) isc_mem_put(mctx, oldrdatas, oldsize * sizeof(*oldrdatas)); if (oldlens != NULL) isc_mem_put(mctx, oldlens, oldsize * sizeof(*oldlens)); if (newrdatas != NULL) isc_mem_put(mctx, newrdatas, used * sizeof(*oldrdatas)); return (result); }
isc_result_t dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node, dns_name_t *target, unsigned char *buffer, dns_rdata_t *rdata) { isc_result_t result; dns_rdataset_t rdataset; isc_region_t r; unsigned int i, window; int octet; unsigned char *nsec_bits, *bm; unsigned int max_type; dns_rdatasetiter_t *rdsiter; memset(buffer, 0, DNS_NSEC_BUFFERSIZE); dns_name_toregion(target, &r); memcpy(buffer, r.base, r.length); r.base = buffer; /* * Use the end of the space for a raw bitmap leaving enough * space for the window identifiers and length octets. */ bm = r.base + r.length + 512; nsec_bits = r.base + r.length; set_bit(bm, dns_rdatatype_rrsig, 1); set_bit(bm, dns_rdatatype_nsec, 1); max_type = dns_rdatatype_nsec; dns_rdataset_init(&rdataset); rdsiter = NULL; result = dns_db_allrdatasets(db, node, version, 0, &rdsiter); if (result != ISC_R_SUCCESS) return (result); for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS; result = dns_rdatasetiter_next(rdsiter)) { dns_rdatasetiter_current(rdsiter, &rdataset); if (rdataset.type != dns_rdatatype_nsec && rdataset.type != dns_rdatatype_nsec3 && rdataset.type != dns_rdatatype_rrsig) { if (rdataset.type > max_type) max_type = rdataset.type; set_bit(bm, rdataset.type, 1); } dns_rdataset_disassociate(&rdataset); } /* * At zone cuts, deny the existence of glue in the parent zone. */ if (bit_isset(bm, dns_rdatatype_ns) && ! bit_isset(bm, dns_rdatatype_soa)) { for (i = 0; i <= max_type; i++) { if (bit_isset(bm, i) && ! dns_rdatatype_iszonecutauth((dns_rdatatype_t)i)) set_bit(bm, i, 0); } } dns_rdatasetiter_destroy(&rdsiter); if (result != ISC_R_NOMORE) return (result); for (window = 0; window < 256; window++) { if (window * 256 > max_type) break; for (octet = 31; octet >= 0; octet--) if (bm[window * 32 + octet] != 0) break; if (octet < 0) continue; nsec_bits[0] = window; nsec_bits[1] = octet + 1; /* * Note: potential overlapping move. */ memmove(&nsec_bits[2], &bm[window * 32], octet + 1); nsec_bits += 3 + octet; } r.length = nsec_bits - r.base; INSIST(r.length <= DNS_NSEC_BUFFERSIZE); dns_rdata_fromregion(rdata, dns_db_class(db), dns_rdatatype_nsec, &r); return (ISC_R_SUCCESS); }
int main(int argc, char **argv) { char *porigin, *zonefile; dns_fixedname_t forigin, fname; dns_name_t *origin, *name; dns_db_t *db = NULL; dns_dbiterator_t *dbiter; dns_dbnode_t *node; dns_rdatasetiter_t *rdsiter; dns_rdataset_t rdataset; dns_rdata_t rdata = DNS_RDATA_INIT; isc_mem_t *mctx = NULL; isc_entropy_t *ectx = NULL; isc_buffer_t b; isc_result_t result; PGresult *res; if (argc != 5) { printf("usage: %s origin file dbname dbtable\n", argv[0]); printf("Note that dbname must be an existing database.\n"); exit(1); } porigin = argv[1]; zonefile = argv[2]; dbname = argv[3]; dbtable = argv[4]; dns_result_register(); mctx = NULL; result = isc_mem_create(0, 0, &mctx); check_result(result, "isc_mem_create"); result = isc_entropy_create(mctx, &ectx); result_check (result, "isc_entropy_create"); result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE); check_result (result, "isc_hash_create"); isc_buffer_init(&b, porigin, strlen(porigin)); isc_buffer_add(&b, strlen(porigin)); dns_fixedname_init(&forigin); origin = dns_fixedname_name(&forigin); result = dns_name_fromtext(origin, &b, dns_rootname, ISC_FALSE, NULL); check_result(result, "dns_name_fromtext"); db = NULL; result = dns_db_create(mctx, "rbt", origin, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); check_result(result, "dns_db_create"); result = dns_db_load(db, zonefile); if (result == DNS_R_SEENINCLUDE) result = ISC_R_SUCCESS; check_result(result, "dns_db_load"); printf("Connecting to '%s'\n", dbname); conn = PQsetdb(NULL, NULL, NULL, NULL, dbname); if (PQstatus(conn) == CONNECTION_BAD) { fprintf(stderr, "Connection to database '%s' failed: %s\n", dbname, PQerrorMessage(conn)); closeandexit(1); } snprintf(str, sizeof(str), "DROP TABLE %s", dbtable); printf("%s\n", str); res = PQexec(conn, str); if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) fprintf(stderr, "DROP TABLE command failed: %s\n", PQresultErrorMessage(res)); PQclear(res); snprintf(str, sizeof(str), "BEGIN"); printf("%s\n", str); res = PQexec(conn, str); if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "BEGIN command failed: %s\n", PQresultErrorMessage(res)); PQclear(res); closeandexit(1); } PQclear(res); snprintf(str, sizeof(str), "CREATE TABLE %s " "(NAME TEXT, TTL INTEGER, RDTYPE TEXT, RDATA TEXT)", dbtable); printf("%s\n", str); res = PQexec(conn, str); if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "CREATE TABLE command failed: %s\n", PQresultErrorMessage(res)); PQclear(res); closeandexit(1); } PQclear(res); dbiter = NULL; result = dns_db_createiterator(db, ISC_FALSE, &dbiter); check_result(result, "dns_db_createiterator()"); result = dns_dbiterator_first(dbiter); check_result(result, "dns_dbiterator_first"); dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); dns_rdataset_init(&rdataset); dns_rdata_init(&rdata); while (result == ISC_R_SUCCESS) { node = NULL; result = dns_dbiterator_current(dbiter, &node, name); if (result == ISC_R_NOMORE) break; check_result(result, "dns_dbiterator_current"); rdsiter = NULL; result = dns_db_allrdatasets(db, node, NULL, 0, &rdsiter); check_result(result, "dns_db_allrdatasets"); result = dns_rdatasetiter_first(rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current(rdsiter, &rdataset); result = dns_rdataset_first(&rdataset); check_result(result, "dns_rdataset_first"); while (result == ISC_R_SUCCESS) { dns_rdataset_current(&rdataset, &rdata); addrdata(name, rdataset.ttl, &rdata); dns_rdata_reset(&rdata); result = dns_rdataset_next(&rdataset); } dns_rdataset_disassociate(&rdataset); result = dns_rdatasetiter_next(rdsiter); } dns_rdatasetiter_destroy(&rdsiter); dns_db_detachnode(db, &node); result = dns_dbiterator_next(dbiter); } snprintf(str, sizeof(str), "COMMIT TRANSACTION"); printf("%s\n", str); res = PQexec(conn, str); if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "COMMIT command failed: %s\n", PQresultErrorMessage(res)); PQclear(res); closeandexit(1); } PQclear(res); dns_dbiterator_destroy(&dbiter); dns_db_detach(&db); isc_hash_destroy(); isc_entropy_detach(&ectx); isc_mem_destroy(&mctx); closeandexit(0); exit(0); }
int main(int argc, char *argv[]) { char *sql; int res; char *errmsg = NULL; char *porigin, *zonefile; dns_fixedname_t forigin, fname; dns_name_t *origin, *name; dns_db_t *db = NULL; dns_dbiterator_t *dbiter; dns_dbnode_t *node; dns_rdatasetiter_t *rdsiter; dns_rdataset_t rdataset; dns_rdata_t rdata = DNS_RDATA_INIT; isc_mem_t *mctx = NULL; isc_entropy_t *ectx = NULL; isc_buffer_t b; isc_result_t result; if (argc != 5) { printf("usage: %s <zone> <zonefile> <dbfile> <dbtable>\n", argv[0]); exit(1); } porigin = argv[1]; zonefile = argv[2]; dbi.filename = argv[3]; dbi.table = argv[4]; dns_result_register(); result = isc_mem_create(0, 0, &mctx); check_result(result, "isc_mem_create"); result = isc_entropy_create(mctx, &ectx); check_result(result, "isc_entropy_create"); result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE); check_result(result, "isc_hash_create"); isc_buffer_init(&b, porigin, strlen(porigin)); isc_buffer_add(&b, strlen(porigin)); dns_fixedname_init(&forigin); origin = dns_fixedname_name(&forigin); result = dns_name_fromtext(origin, &b, dns_rootname, 0, NULL); check_result(result, "dns_name_fromtext"); db = NULL; result = dns_db_create(mctx, "rbt", origin, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); check_result(result, "dns_db_create"); result = dns_db_load(db, zonefile); if (result == DNS_R_SEENINCLUDE) result = ISC_R_SUCCESS; check_result(result, "dns_db_load"); printf("Connecting to '%s'\n", dbi.filename); if ((result = db_connect(&dbi)) != ISC_R_SUCCESS) { fprintf(stderr, "Connection to database '%s' failed\n", dbi.filename); closeandexit(1); } sql = sqlite3_mprintf("DROP TABLE %q ", dbi.table); printf("%s\n", sql); res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg); sqlite3_free(sql); #if 0 if (res != SQLITE_OK) { fprintf(stderr, "DROP TABLE %s failed: %s\n", dbi.table, errmsg); } #endif #if 0 sql = sqlite3_mprintf(sql, "BEGIN TRANSACTION"); printf("%s\n", sql); res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg); sqlite3_free(sql); if (res != SQLITE_OK) { fprintf(stderr, "BEGIN TRANSACTION failed: %s\n", errmsg); closeandexit(1); } #endif sql = sqlite3_mprintf( "CREATE TABLE %q " "(NAME TEXT, TTL INTEGER, RDTYPE TEXT, RDATA TEXT) ", dbi.table); printf("%s\n", sql); res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg); sqlite3_free(sql); if (res != SQLITE_OK) { fprintf(stderr, "CREATE TABLE %s failed: %s\n", dbi.table, errmsg); closeandexit(1); } dbiter = NULL; result = dns_db_createiterator(db, 0, &dbiter); check_result(result, "dns_db_createiterator()"); result = dns_dbiterator_first(dbiter); check_result(result, "dns_dbiterator_first"); dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); dns_rdataset_init(&rdataset); dns_rdata_init(&rdata); while (result == ISC_R_SUCCESS) { node = NULL; result = dns_dbiterator_current(dbiter, &node, name); if (result == ISC_R_NOMORE) break; check_result(result, "dns_dbiterator_current"); rdsiter = NULL; result = dns_db_allrdatasets(db, node, NULL, 0, &rdsiter); check_result(result, "dns_db_allrdatasets"); result = dns_rdatasetiter_first(rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current(rdsiter, &rdataset); result = dns_rdataset_first(&rdataset); check_result(result, "dns_rdataset_first"); while (result == ISC_R_SUCCESS) { dns_rdataset_current(&rdataset, &rdata); addrdata(name, rdataset.ttl, &rdata); dns_rdata_reset(&rdata); result = dns_rdataset_next(&rdataset); } dns_rdataset_disassociate(&rdataset); result = dns_rdatasetiter_next(rdsiter); } dns_rdatasetiter_destroy(&rdsiter); dns_db_detachnode(db, &node); result = dns_dbiterator_next(dbiter); } #if 0 sql = sqlite3_mprintf(sql, "COMMIT TRANSACTION "); printf("%s\n", sql); res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg); sqlite3_free(sql); if (res != SQLITE_OK) { fprintf(stderr, "COMMIT TRANSACTION failed: %s\n", errmsg); closeandexit(1); } #endif dns_dbiterator_destroy(&dbiter); dns_db_detach(&db); isc_hash_destroy(); isc_entropy_detach(&ectx); isc_mem_destroy(&mctx); closeandexit(0); exit(0); }
int main(int argc, char *argv[]) { isc_mem_t *mctx = NULL; isc_buffer_t b; int n; dns_fixedname_t origin, name; dns_db_t *db = NULL; dns_dbiterator_t *dbiter = NULL; isc_result_t res; dns_dbnode_t *node = NULL; dns_rdataset_t rdataset; dns_rdatasetiter_t *rdatasetiter = NULL; dns_rdata_t rdata; DB *bdb; if (argc != 4) usage(*argv); REQUIRE(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); n = strlen(argv[1]); isc_buffer_init(&b, argv[1], n); isc_buffer_add(&b, n); dns_fixedname_init(&origin); REQUIRE(dns_name_fromtext(dns_fixedname_name(&origin), &b, dns_rootname, 0, NULL) == ISC_R_SUCCESS); REQUIRE(dns_db_create(mctx, "rbt", dns_fixedname_name(&origin), dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db) == ISC_R_SUCCESS); REQUIRE(dns_db_load(db, argv[2]) == ISC_R_SUCCESS); REQUIRE(dns_db_createiterator(db, 0, &dbiter) == ISC_R_SUCCESS); dns_rdataset_init(&rdataset); dns_rdata_init(&rdata); dns_fixedname_init(&name); bdb = bdb_init(argv[3]); for (res = dns_dbiterator_first(dbiter); res == ISC_R_SUCCESS; res = dns_dbiterator_next(dbiter)) { dns_dbiterator_current(dbiter, &node, dns_fixedname_name(&name)); REQUIRE(dns_db_allrdatasets(db, node, NULL, 0, &rdatasetiter) == ISC_R_SUCCESS); for (res = dns_rdatasetiter_first(rdatasetiter); res == ISC_R_SUCCESS; res = dns_rdatasetiter_next(rdatasetiter)) { dns_rdatasetiter_current(rdatasetiter, &rdataset); res = dns_rdataset_first(&rdataset); while (res == ISC_R_SUCCESS) { dns_rdataset_current(&rdataset, &rdata); REQUIRE(bdb_putrdata(bdb, dns_fixedname_name(&name), rdataset.ttl, &rdata) == ISC_R_SUCCESS); dns_rdata_reset(&rdata); res = dns_rdataset_next(&rdataset); } dns_rdataset_disassociate(&rdataset); } dns_rdatasetiter_destroy(&rdatasetiter); dns_db_detachnode(db, &node); } dns_dbiterator_destroy(&dbiter); REQUIRE(bdb_destroy(bdb) == ISC_R_SUCCESS); return 0; }
isc_result_t dns_nsec3_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node, unsigned int hashalg, unsigned int flags, unsigned int iterations, const unsigned char *salt, size_t salt_length, const unsigned char *nexthash, size_t hash_length, unsigned char *buffer, dns_rdata_t *rdata) { isc_result_t result; dns_rdataset_t rdataset; isc_region_t r; unsigned int i, window; int octet; isc_boolean_t found; isc_boolean_t found_ns; isc_boolean_t need_rrsig; unsigned char *nsec_bits, *bm; unsigned int max_type; dns_rdatasetiter_t *rdsiter; unsigned char *p; REQUIRE(salt_length < 256U); REQUIRE(hash_length < 256U); REQUIRE(flags <= 0xffU); REQUIRE(hashalg <= 0xffU); REQUIRE(iterations <= 0xffffU); switch (hashalg) { case dns_hash_sha1: REQUIRE(hash_length == ISC_SHA1_DIGESTLENGTH); break; } memset(buffer, 0, DNS_NSEC3_BUFFERSIZE); p = buffer; *p++ = hashalg; *p++ = flags; *p++ = iterations >> 8; *p++ = iterations; *p++ = salt_length; memcpy(p, salt, salt_length); p += salt_length; *p++ = hash_length; memcpy(p, nexthash, hash_length); p += hash_length; r.length = p - buffer; r.base = buffer; /* * Use the end of the space for a raw bitmap leaving enough * space for the window identifiers and length octets. */ bm = r.base + r.length + 512; nsec_bits = r.base + r.length; max_type = 0; if (node == NULL) goto collapse_bitmap; dns_rdataset_init(&rdataset); rdsiter = NULL; result = dns_db_allrdatasets(db, node, version, 0, &rdsiter); if (result != ISC_R_SUCCESS) return (result); found = found_ns = need_rrsig = ISC_FALSE; for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS; result = dns_rdatasetiter_next(rdsiter)) { dns_rdatasetiter_current(rdsiter, &rdataset); if (rdataset.type != dns_rdatatype_nsec && rdataset.type != dns_rdatatype_nsec3 && rdataset.type != dns_rdatatype_rrsig) { if (rdataset.type > max_type) max_type = rdataset.type; set_bit(bm, rdataset.type, 1); /* * Work out if we need to set the RRSIG bit for * this node. We set the RRSIG bit if either of * the following conditions are met: * 1) We have a SOA or DS then we need to set * the RRSIG bit as both always will be signed. * 2) We set the RRSIG bit if we don't have * a NS record but do have other data. */ if (rdataset.type == dns_rdatatype_soa || rdataset.type == dns_rdatatype_ds) need_rrsig = ISC_TRUE; else if (rdataset.type == dns_rdatatype_ns) found_ns = ISC_TRUE; else found = ISC_TRUE; } dns_rdataset_disassociate(&rdataset); } if ((found && !found_ns) || need_rrsig) { if (dns_rdatatype_rrsig > max_type) max_type = dns_rdatatype_rrsig; set_bit(bm, dns_rdatatype_rrsig, 1); } /* * At zone cuts, deny the existence of glue in the parent zone. */ if (bit_isset(bm, dns_rdatatype_ns) && ! bit_isset(bm, dns_rdatatype_soa)) { for (i = 0; i <= max_type; i++) { if (bit_isset(bm, i) && ! dns_rdatatype_iszonecutauth((dns_rdatatype_t)i)) set_bit(bm, i, 0); } } dns_rdatasetiter_destroy(&rdsiter); if (result != ISC_R_NOMORE) return (result); collapse_bitmap: for (window = 0; window < 256; window++) { if (window * 256 > max_type) break; for (octet = 31; octet >= 0; octet--) if (bm[window * 32 + octet] != 0) break; if (octet < 0) continue; nsec_bits[0] = window; nsec_bits[1] = octet + 1; /* * Note: potentially overlapping move. */ memmove(&nsec_bits[2], &bm[window * 32], octet + 1); nsec_bits += 3 + octet; } r.length = nsec_bits - r.base; INSIST(r.length <= DNS_NSEC3_BUFFERSIZE); dns_rdata_fromregion(rdata, dns_db_class(db), dns_rdatatype_nsec3, &r); return (ISC_R_SUCCESS); }
/*% scan the zone for oversize TTLs */ static isc_result_t check_ttls(dns_zone_t *zone, dns_ttl_t maxttl) { isc_result_t result; dns_db_t *db = NULL; dns_dbversion_t *version = NULL; dns_dbnode_t *node = NULL; dns_dbiterator_t *dbiter = NULL; dns_rdatasetiter_t *rdsiter = NULL; dns_rdataset_t rdataset; dns_fixedname_t fname; dns_name_t *name; dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); dns_rdataset_init(&rdataset); CHECK(dns_zone_getdb(zone, &db)); INSIST(db != NULL); CHECK(dns_db_newversion(db, &version)); CHECK(dns_db_createiterator(db, 0, &dbiter)); for (result = dns_dbiterator_first(dbiter); result == ISC_R_SUCCESS; result = dns_dbiterator_next(dbiter)) { result = dns_dbiterator_current(dbiter, &node, name); if (result == DNS_R_NEWORIGIN) result = ISC_R_SUCCESS; CHECK(result); CHECK(dns_db_allrdatasets(db, node, version, 0, &rdsiter)); for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS; result = dns_rdatasetiter_next(rdsiter)) { dns_rdatasetiter_current(rdsiter, &rdataset); if (rdataset.ttl > maxttl) { char nbuf[DNS_NAME_FORMATSIZE]; char tbuf[255]; isc_buffer_t b; isc_region_t r; dns_name_format(name, nbuf, sizeof(nbuf)); isc_buffer_init(&b, tbuf, sizeof(tbuf) - 1); CHECK(dns_rdatatype_totext(rdataset.type, &b)); isc_buffer_usedregion(&b, &r); r.base[r.length] = 0; dns_zone_log(zone, ISC_LOG_ERROR, "%s/%s TTL %d exceeds " "maximum TTL %d", nbuf, tbuf, rdataset.ttl, maxttl); dns_rdataset_disassociate(&rdataset); CHECK(ISC_R_RANGE); } dns_rdataset_disassociate(&rdataset); } if (result == ISC_R_NOMORE) result = ISC_R_SUCCESS; CHECK(result); dns_rdatasetiter_destroy(&rdsiter); dns_db_detachnode(db, &node); } if (result == ISC_R_NOMORE) result = ISC_R_SUCCESS; cleanup: if (node != NULL) dns_db_detachnode(db, &node); if (rdsiter != NULL) dns_rdatasetiter_destroy(&rdsiter); if (dbiter != NULL) dns_dbiterator_destroy(&dbiter); if (version != NULL) dns_db_closeversion(db, &version, ISC_FALSE); if (db != NULL) dns_db_detach(&db); return (result); }
isc_result_t dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node, dns_name_t *target, unsigned char *buffer, dns_rdata_t *rdata) { isc_result_t result; dns_rdataset_t rdataset; isc_region_t r; unsigned int i; unsigned char *nsec_bits, *bm; unsigned int max_type; dns_rdatasetiter_t *rdsiter; memset(buffer, 0, DNS_NSEC_BUFFERSIZE); dns_name_toregion(target, &r); memcpy(buffer, r.base, r.length); r.base = buffer; /* * Use the end of the space for a raw bitmap leaving enough * space for the window identifiers and length octets. */ bm = r.base + r.length + 512; nsec_bits = r.base + r.length; dns_nsec_setbit(bm, dns_rdatatype_rrsig, 1); dns_nsec_setbit(bm, dns_rdatatype_nsec, 1); max_type = dns_rdatatype_nsec; dns_rdataset_init(&rdataset); rdsiter = NULL; result = dns_db_allrdatasets(db, node, version, 0, &rdsiter); if (result != ISC_R_SUCCESS) return (result); for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS; result = dns_rdatasetiter_next(rdsiter)) { dns_rdatasetiter_current(rdsiter, &rdataset); if (rdataset.type != dns_rdatatype_nsec && rdataset.type != dns_rdatatype_nsec3 && rdataset.type != dns_rdatatype_rrsig) { if (rdataset.type > max_type) max_type = rdataset.type; dns_nsec_setbit(bm, rdataset.type, 1); } dns_rdataset_disassociate(&rdataset); } /* * At zone cuts, deny the existence of glue in the parent zone. */ if (dns_nsec_isset(bm, dns_rdatatype_ns) && ! dns_nsec_isset(bm, dns_rdatatype_soa)) { for (i = 0; i <= max_type; i++) { if (dns_nsec_isset(bm, i) && ! dns_rdatatype_iszonecutauth((dns_rdatatype_t)i)) dns_nsec_setbit(bm, i, 0); } } dns_rdatasetiter_destroy(&rdsiter); if (result != ISC_R_NOMORE) return (result); nsec_bits += dns_nsec_compressbitmap(nsec_bits, bm, max_type); r.length = nsec_bits - r.base; INSIST(r.length <= DNS_NSEC_BUFFERSIZE); dns_rdata_fromregion(rdata, dns_db_class(db), dns_rdatatype_nsec, &r); return (ISC_R_SUCCESS); }