diff options
Diffstat (limited to 'newlib/libc/sys/linux/net/gethostbyht.c')
| -rw-r--r-- | newlib/libc/sys/linux/net/gethostbyht.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/newlib/libc/sys/linux/net/gethostbyht.c b/newlib/libc/sys/linux/net/gethostbyht.c deleted file mode 100644 index 4a15293dd..000000000 --- a/newlib/libc/sys/linux/net/gethostbyht.c +++ /dev/null @@ -1,285 +0,0 @@ -/*- - * Copyright (c) 1985, 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 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. - * - - * Portions Copyright (c) 1993 by Digital Equipment Corporation. - * - * 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, and that - * the name of Digital Equipment Corporation not be used in advertising or - * publicity pertaining to distribution of the document or software without - * specific, written prior permission. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT - * CORPORATION 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. - * - - * --Copyright-- - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -#include <sys/types.h> - -#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 <string.h> -#include <stdarg.h> -#include <nsswitch.h> -#include <arpa/nameser.h> /* XXX */ -#include <resolv.h> /* XXX */ -#include <dirent.h> -#include <stdlib.h> -#include <errno.h> - -static FILE *hostf = NULL; -static int stayopen = 0; -__LOCK_INIT(static, host_lock); - -void -_sethosthtent_r(int f, FILE **hostfile, int *hstayopen) -{ - if (!*hostfile) - *hostfile = fopen(_PATH_HOSTS, "r" ); - else - rewind(*hostfile); - *hstayopen = f; -} - -void -_endhosthtent_r(FILE **hostfile, int *hstayopen) -{ - if (*hostfile && !*hstayopen) { - (void) fclose(*hostfile); - *hostfile = NULL; - } -} - -void -_sethosthtent(f) - int f; -{ - _sethosthtent_r(f, &hostf, &stayopen); -} - -void -_endhosthtent() -{ - _endhosthtent_r(&hostf, &stayopen); -} - -struct hostent * -gethostent() -{ - static struct hostent hp; - static char buffer[BUFSIZ+1]; - static int len = BUFSIZ; - static int herr; - -#ifdef HAVE_DD_LOCK - __lock_acquire(host_lock); -#endif - gethostent_r(&hp, buffer, len, &herr, &hostf); -#ifdef HAVE_DD_LOCK - __lock_release(host_lock); -#endif - return &hp; -} - -int -gethostent_r(struct hostent *hp, char *buffer, int buflen, int *herr, FILE **hostfile) -{ - char *p; - char *cp, **q; - int af, len; - - if (!*hostfile && !(*hostfile = fopen(_PATH_HOSTS, "r" ))) { - *herr = NETDB_INTERNAL; - return -1; - } - again: - if (!(p = fgets(buffer, buflen, *hostfile))) { - *herr = HOST_NOT_FOUND; - return -1; - } - if (*p == '#') - goto again; - if (!(cp = strpbrk(p, "#\n"))) - goto again; - *cp = '\0'; - if (!(cp = strpbrk(p, " \t"))) - goto again; - *cp++ = '\0'; - - hp->h_addr_list = hp->__host_addrs; - hp->__host_addrs[0] = (char *)hp->__host_addr; - - if (inet_pton(AF_INET6, p, hp->h_addr_list[0]) > 0) { - af = AF_INET6; - len = IN6ADDRSZ; - } else if (inet_pton(AF_INET, p, hp->h_addr_list[0]) > 0) { - if (_res.options & RES_USE_INET6) { - _map_v4v6_address(hp->h_addr_list[0], hp->h_addr_list[0]); - af = AF_INET6; - len = IN6ADDRSZ; - } else { - af = AF_INET; - len = INADDRSZ; - } - } else { - goto again; - } - - - hp->h_addr_list[1] = NULL; - hp->h_addr = hp->__host_addrs[0]; - hp->h_length = len; - hp->h_addrtype = af; - - while (*cp == ' ' || *cp == '\t') - cp++; - hp->h_name = cp; - q = hp->h_aliases = hp->__host_aliases; - if ((cp = strpbrk(cp, " \t")) != NULL) - *cp++ = '\0'; - while (cp && *cp) { - if (*cp == ' ' || *cp == '\t') { - cp++; - continue; - } - if (q < &hp->h_aliases[MAXALIASES - 1]) - *q++ = cp; - if ((cp = strpbrk(cp, " \t")) != NULL) - *cp++ = '\0'; - } - *q = NULL; - - *herr = NETDB_SUCCESS; - return 0; -} - -int -_ht_gethostbyname(void *rval, void *cb_data, va_list ap) -{ - char **cp; - const char *name; - int af; - struct hostent *resultbuf; - char *buf; - int buflen; - int *herr; - FILE *hostfile = NULL; - int stayopen; - int p; - - name = va_arg(ap, const char *); - af = va_arg(ap, int); - resultbuf = va_arg(ap, struct hostent *); - buf = va_arg(ap, char *); - buflen = va_arg(ap, int); - herr = va_arg(ap, int *); - - sethostent_r(0, &hostfile, &stayopen); - while ((p = gethostent_r(resultbuf, buf, buflen, herr, &hostfile)) != -1) { - if (resultbuf->h_addrtype != af) - continue; - if (strcasecmp(resultbuf->h_name, name) == 0) - break; - for (cp = resultbuf->h_aliases; *cp != 0; cp++) - if (strcasecmp(*cp, name) == 0) - goto found; - } -found: - endhostent_r(&hostfile, &stayopen); - - if (p == -1) - { - *(struct hostent **)rval = NULL; - return NS_NOTFOUND; - } - else - { - *(struct hostent **)rval = resultbuf; - return NS_SUCCESS; - } -} - -int -_ht_gethostbyaddr(void *rval, void *cb_data, va_list ap) -{ - const char *addr; - int len, af; - struct hostent *resultbuf; - char *buf; - int buflen; - int *herr; - FILE *hostfile = NULL; - int stayopen; - int p; - - addr = va_arg(ap, const char *); - len = va_arg(ap, int); - af = va_arg(ap, int); - resultbuf = va_arg(ap, struct hostent *); - buf = va_arg(ap, char *); - buflen = va_arg(ap, int); - herr = va_arg(ap, int *); - - sethostent_r(0, &hostfile, &stayopen); - while ((p = gethostent_r(resultbuf, buf, buflen, herr, &hostfile)) != -1) - if (resultbuf->h_addrtype == af && !memcmp(resultbuf->h_addr, addr, len)) - break; - endhostent_r(&hostfile, &stayopen); - - if (p == -1) - { - *(struct hostent **)rval = NULL; - return NS_NOTFOUND; - } - else - { - *(struct hostent **)rval = resultbuf; - return NS_SUCCESS; - } -} |