diff options
Diffstat (limited to 'lib/libc/net/getnetnamadr.c')
| -rw-r--r-- | lib/libc/net/getnetnamadr.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/lib/libc/net/getnetnamadr.c b/lib/libc/net/getnetnamadr.c deleted file mode 100644 index c964cff..0000000 --- a/lib/libc/net/getnetnamadr.c +++ /dev/null @@ -1,190 +0,0 @@ -/*- - * Copyright (c) 1994, Garrett Wollman - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * - * THIS SOFTWARE IS PROVIDED BY THE 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 REGENTS 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$Id: getnetnamadr.c,v 1.9 1997/02/22 15:00:12 peter Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/param.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> -#include <stdio.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> - -#ifndef _PATH_NETCONF -#define _PATH_NETCONF "/etc/host.conf" -#endif - -enum service_type { - SERVICE_NONE = 0, - SERVICE_BIND, - SERVICE_TABLE, - SERVICE_NIS }; -#define SERVICE_MAX SERVICE_NIS - -static struct { - const char *name; - enum service_type type; -} service_names[] = { - { "hosts", SERVICE_TABLE }, - { "/etc/hosts", SERVICE_TABLE }, - { "hosttable", SERVICE_TABLE }, - { "htable", SERVICE_TABLE }, - { "bind", SERVICE_BIND }, - { "dns", SERVICE_BIND }, - { "domain", SERVICE_BIND }, - { "yp", SERVICE_NIS }, - { "yellowpages", SERVICE_NIS }, - { "nis", SERVICE_NIS }, - { 0, SERVICE_NONE } -}; - -static enum service_type service_order[SERVICE_MAX + 1]; -static int service_done = 0; - -static enum service_type -get_service_name(const char *name) { - int i; - for(i = 0; service_names[i].type != SERVICE_NONE; i++) { - if(!strcasecmp(name, service_names[i].name)) { - return service_names[i].type; - } - } - return SERVICE_NONE; -} - -static void -init_services() -{ - char *cp, *p, buf[BUFSIZ]; - register int cc = 0; - FILE *fd; - - if ((fd = (FILE *)fopen(_PATH_NETCONF, "r")) == NULL) { - /* make some assumptions */ - service_order[0] = SERVICE_TABLE; - service_order[1] = SERVICE_NONE; - } else { - while (fgets(buf, BUFSIZ, fd) != NULL && cc < SERVICE_MAX) { - if(buf[0] == '#') - continue; - - p = buf; - while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0') - ; - if (cp == NULL) - continue; - do { - if (isalpha(cp[0])) { - service_order[cc] = get_service_name(cp); - if(service_order[cc] != SERVICE_NONE) - cc++; - } - while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0') - ; - } while(cp != NULL && cc < SERVICE_MAX); - } - service_order[cc] = SERVICE_NONE; - fclose(fd); - } - service_done = 1; -} - -struct netent * -getnetbyname(const char *name) -{ - struct netent *hp = 0; - int nserv = 0; - - if (!service_done) - init_services(); - - while (!hp) { - switch (service_order[nserv]) { - case SERVICE_NONE: - return NULL; - case SERVICE_TABLE: - hp = _getnetbyhtname(name); - break; - case SERVICE_BIND: - hp = _getnetbydnsname(name); - break; - case SERVICE_NIS: - hp = _getnetbynisname(name); - break; - } - nserv++; - } - return hp; -} - -struct netent * -getnetbyaddr(addr, af) - u_long addr; - int af; -{ - struct netent *hp = 0; - int nserv = 0; - - if (!service_done) - init_services(); - - while (!hp) { - switch (service_order[nserv]) { - case SERVICE_NONE: - return 0; - case SERVICE_TABLE: - hp = _getnetbyhtaddr(addr, af); - break; - case SERVICE_BIND: - hp = _getnetbydnsaddr(addr, af); - break; - case SERVICE_NIS: - hp = _getnetbynisaddr(addr, af); - break; - } - nserv++; - } - return hp; -} - -void -setnetent(stayopen) - int stayopen; -{ - _setnethtent(stayopen); - _setnetdnsent(stayopen); -} - -void -endnetent() -{ - _endnethtent(); - _endnetdnsent(); -} |
