diff options
| -rw-r--r-- | source4/rpc_server/dnsserver/dnsdb.c | 86 |
1 files changed, 83 insertions, 3 deletions
diff --git a/source4/rpc_server/dnsserver/dnsdb.c b/source4/rpc_server/dnsserver/dnsdb.c index ac881905ab..ffa1757fdd 100644 --- a/source4/rpc_server/dnsserver/dnsdb.c +++ b/source4/rpc_server/dnsserver/dnsdb.c @@ -104,6 +104,67 @@ failed: } +static unsigned int dnsserver_update_soa(TALLOC_CTX *mem_ctx, + struct ldb_context *samdb, + struct dnsserver_zone *z) +{ + const char * const attrs[] = { "dnsRecord", NULL }; + struct ldb_result *res; + struct dnsp_DnssrvRpcRecord rec; + struct ldb_message_element *el; + enum ndr_err_code ndr_err; + int ret, i, serial = -1; + NTTIME t; + + unix_to_nt_time(&t, time(NULL)); + t /= 10*1000*1000; /* convert to seconds (NT time is in 100ns units) */ + t /= 3600; /* convert to hours */ + + ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs, + "(&(objectClass=dnsNode)(name=@))"); + if (ret != LDB_SUCCESS || res->count == 0) { + return -1; + } + + el = ldb_msg_find_element(res->msgs[0], "dnsRecord"); + if (el == NULL) { + return -1; + } + + for (i=0; i<el->num_values; i++) { + ndr_err = ndr_pull_struct_blob(&el->values[i], mem_ctx, &rec, + (ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + continue; + } + + if (rec.wType == DNS_TYPE_SOA) { + serial = rec.data.soa.serial + 1; + rec.dwSerial = serial; + rec.dwTimeStamp = (uint32_t)t; + rec.data.soa.serial = serial; + + ndr_err = ndr_push_struct_blob(&el->values[i], mem_ctx, &rec, + (ndr_push_flags_fn_t)ndr_push_dnsp_DnssrvRpcRecord); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + return -1; + } + break; + } + } + + if (serial != -1) { + el->flags = LDB_FLAG_MOD_REPLACE; + ret = ldb_modify(samdb, res->msgs[0]); + if (ret != LDB_SUCCESS) { + return -1; + } + } + + return serial; +} + + static WERROR dnsserver_db_do_add_rec(TALLOC_CTX *mem_ctx, struct ldb_context *samdb, struct ldb_dn *dn, @@ -191,14 +252,21 @@ WERROR dnsserver_db_add_record(TALLOC_CTX *mem_ctx, enum ndr_err_code ndr_err; NTTIME t; int ret, i; + int serial; rec = dns_to_dnsp_copy(mem_ctx, add_record); W_ERROR_HAVE_NO_MEMORY(rec); + serial = dnsserver_update_soa(mem_ctx, samdb, z); + if (serial < 0) { + return WERR_INTERNAL_DB_ERROR; + } + unix_to_nt_time(&t, time(NULL)); - t /= 10*1000*1000; + t /= 10*1000*1000; /* convert to seconds (NT time is in 100ns units) */ + t /= 3600; /* convert to hours */ - rec->dwSerial = 0; /* FIXME: put soa serial value */ + rec->dwSerial = serial; rec->dwTimeStamp = t; ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs, @@ -274,6 +342,12 @@ WERROR dnsserver_db_update_record(TALLOC_CTX *mem_ctx, enum ndr_err_code ndr_err; NTTIME t; int ret, i; + int serial; + + serial = dnsserver_update_soa(mem_ctx, samdb, z); + if (serial < 0) { + return WERR_INTERNAL_DB_ERROR; + } arec = dns_to_dnsp_copy(mem_ctx, add_record); W_ERROR_HAVE_NO_MEMORY(arec); @@ -284,7 +358,7 @@ WERROR dnsserver_db_update_record(TALLOC_CTX *mem_ctx, unix_to_nt_time(&t, time(NULL)); t /= 10*1000*1000; - arec->dwSerial = 0; /* FIXME: put soa serial value */ + arec->dwSerial = serial; arec->dwTimeStamp = t; ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs, @@ -364,6 +438,12 @@ WERROR dnsserver_db_delete_record(TALLOC_CTX *mem_ctx, struct ldb_message_element *el; enum ndr_err_code ndr_err; int ret, i; + int serial; + + serial = dnsserver_update_soa(mem_ctx, samdb, z); + if (serial < 0) { + return WERR_INTERNAL_DB_ERROR; + } rec = dns_to_dnsp_copy(mem_ctx, del_record); W_ERROR_HAVE_NO_MEMORY(rec); |