diff options
Diffstat (limited to 'contrib/bind/bin/named/ns_udp.c')
-rw-r--r-- | contrib/bind/bin/named/ns_udp.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/contrib/bind/bin/named/ns_udp.c b/contrib/bind/bin/named/ns_udp.c deleted file mode 100644 index 23f4377..0000000 --- a/contrib/bind/bin/named/ns_udp.c +++ /dev/null @@ -1,124 +0,0 @@ -#if !defined(lint) && !defined(SABER) -static const char rcsid[] = "$Id: ns_udp.c,v 8.9 2000/04/21 06:54:13 vixie Exp $"; -#endif /* not lint */ - -/* - * Copyright (c) 1996-2000 by 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. - */ - -#include "port_before.h" - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/stat.h> -#include <sys/socket.h> -#include <sys/file.h> -#include <sys/un.h> - -#include <netinet/in.h> -#include <arpa/nameser.h> -#include <arpa/inet.h> - -#include <ctype.h> -#include <errno.h> -#include <netdb.h> -#include <nlist.h> -#include <resolv.h> -#include <stdio.h> -#include <syslog.h> -#include <time.h> -#include <unistd.h> - -#include <isc/eventlib.h> -#include <isc/logging.h> - -#include "port_after.h" - -#include "named.h" - -void -ns_udp() { -#if defined(CHECK_UDP_SUM) || defined(FIX_UDP_SUM) - struct nlist nl[2]; - int fd; - int sum; - u_long res, offset; - - nl[0].n_name = UDPSUM; - nl[1].n_name = 0; - - if (nlist(KSYMS, nl)) { - ns_debug(ns_log_default, 1, "ns_udp: nlist (%s,%s) failed", - KSYMS, UDPSUM); - return; - } - - ns_debug(ns_log_default, 1, "ns_udp: %s %d %lu (%ld)", - nl[0].n_name, nl[0].n_type, nl[0].n_value, nl[0].n_value); - - if (!nl[0].n_type) - return; - - if ((fd = open(KMEM, O_RDWR, 0)) < 0) { - ns_debug(ns_log_default, 1, "ns_udp: open %s failed: %s", KMEM, - strerror(errno)); - return; - } - - offset = nl[0].n_value; -#ifdef KMAP - offset &= ((~0UL)>>1); -#endif - - res = lseek(fd, offset, SEEK_SET); - if (res != offset) { - ns_debug(ns_log_default, 1, "ns_udp: lseek %lu failed %lu: %s", - offset, res, strerror(errno)); - goto cleanup; - } - - if (read(fd, &sum, sizeof(sum)) != sizeof(sum)) { - ns_debug(ns_log_default, 1, "ns_udp: read failed: %s", - strerror(errno)); - goto cleanup; - } - - ns_debug(ns_log_default, 1, "ns_udp: %d", sum); - if (sum == 0) { -#ifdef FIX_UDP_SUM - sum = 1; - lseek(fd, offset, SEEK_SET); - if (res != offset) { - ns_debug(ns_log_default, 1, - "ns_udp: lseek %lu failed %lu: %s", - offset, res, strerror(errno)); - goto cleanup; - } - if (write(fd, &sum, sizeof(sum)) != sizeof(sum)) { - ns_debug(ns_log_default, 1, "ns_udp: write failed: %s", - strerror(errno)); - goto cleanup; - } - ns_warning(ns_log_default, "ns_udp: check sums turned on"); -#else - ns_panic(ns_log_default, 0, - "ns_udp: checksums NOT turned on, exiting"); -#endif - } -cleanup: - close(fd); -#endif -} |