diff options
author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /StdLib/BsdSocketLib/res_init.c | |
parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'StdLib/BsdSocketLib/res_init.c')
-rw-r--r-- | StdLib/BsdSocketLib/res_init.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/StdLib/BsdSocketLib/res_init.c b/StdLib/BsdSocketLib/res_init.c deleted file mode 100644 index 613a76a6b3..0000000000 --- a/StdLib/BsdSocketLib/res_init.c +++ /dev/null @@ -1,514 +0,0 @@ -/*
- * Copyright (c) 1985, 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Portions copyright (c) 1999, 2000
- * Intel Corporation.
- * 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, Intel Corporation, and its contributors.
- *
- * 4. Neither the name of University, Intel Corporation, or their respective
- * 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, INTEL CORPORATION 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,
- * INTEL CORPORATION 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.
- *
- * 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.
- */
-
-/*
- * Portions Copyright (c) 1996 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)res_init.c 8.1 (Berkeley) 6/7/93";
-static char orig_rcsid[] = "From: Id: res_init.c,v 8.7 1996/11/18 09:10:04 vixie Exp $";
-static char rcsid[] = "$Id: res_init.c,v 1.1.1.1 2003/11/19 01:51:37 kyu3 Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-#include <ctype.h>
-#include <resolv.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "res_config.h"
-
-static void res_setoptions __P((char *, char *));
-
-#ifdef RESOLVSORT
-static const char sort_mask[] = "/&";
-#define ISSORTMASK(ch) (strchr(sort_mask, ch) != NULL)
-static u_int32_t net_mask __P((struct in_addr));
-#endif
-
-#if !defined(isascii) /* XXX - could be a function */
-# define isascii(c) (!(c & 0200))
-#endif
-
-/*
- * Resolver state default settings.
- */
-
-struct __res_state _res
-# if defined(__BIND_RES_TEXT)
- = { RES_TIMEOUT, } /* Motorola, et al. */
-# endif
- ;
-
-
-/*
- * Set up default settings. If the configuration file exist, the values
- * there will have precedence. Otherwise, the server address is set to
- * INADDR_ANY and the default domain name comes from the gethostname().
- *
- * An interrim version of this code (BIND 4.9, pre-4.4BSD) used 127.0.0.1
- * rather than INADDR_ANY ("0.0.0.0") as the default name server address
- * since it was noted that INADDR_ANY actually meant ``the first interface
- * you "ifconfig"'d at boot time'' and if this was a SLIP or PPP interface,
- * it had to be "up" in order for you to reach your own name server. It
- * was later decided that since the recommended practice is to always
- * install local static routes through 127.0.0.1 for all your network
- * interfaces, that we could solve this problem without a code change.
- *
- * The configuration file should always be used, since it is the only way
- * to specify a default domain. If you are running a server on your local
- * machine, you should say "nameserver 0.0.0.0" or "nameserver 127.0.0.1"
- * in the configuration file.
- *
- * Return 0 if completes successfully, -1 on error
- */
-int
-res_init()
-{
- register FILE *fp;
- register char *cp, **pp;
- register int n;
- char buf[MAXDNAME];
- int nserv = 0; /* number of nameserver records read from file */
- int haveenv = 0;
- int havesearch = 0;
-#ifdef RESOLVSORT
- int nsort = 0;
- char *net;
-#endif
-#ifndef RFC1535
- int dots;
-#endif
-
- /*
- * These three fields used to be statically initialized. This made
- * it hard to use this code in a shared library. It is necessary,
- * now that we're doing dynamic initialization here, that we preserve
- * the old semantics: if an application modifies one of these three
- * fields of _res before res_init() is called, res_init() will not
- * alter them. Of course, if an application is setting them to
- * _zero_ before calling res_init(), hoping to override what used
- * to be the static default, we can't detect it and unexpected results
- * will follow. Zero for any of these fields would make no sense,
- * so one can safely assume that the applications were already getting
- * unexpected results.
- *
- * _res.options is tricky since some apps were known to diddle the bits
- * before res_init() was first called. We can't replicate that semantic
- * with dynamic initialization (they may have turned bits off that are
- * set in RES_DEFAULT). Our solution is to declare such applications
- * "broken". They could fool us by setting RES_INIT but none do (yet).
- */
- if (!_res.retrans)
- _res.retrans = RES_TIMEOUT;
- if (!_res.retry)
- _res.retry = 4;
- if (!(_res.options & RES_INIT))
- _res.options = RES_DEFAULT;
-
- /*
- * This one used to initialize implicitly to zero, so unless the app
- * has set it to something in particular, we can randomize it now.
- */
- if (!_res.id)
- _res.id = (u_short)res_randomid();
-
-#ifdef USELOOPBACK
- _res.nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
-#else
- _res.nsaddr.sin_addr.s_addr = INADDR_ANY;
-#endif
- _res.nsaddr.sin_family = AF_INET;
- _res.nsaddr.sin_port = htons(NAMESERVER_PORT);
- _res.nscount = 1;
- _res.ndots = 1;
- _res.pfcode = 0;
-
- /* Allow user to override the local domain definition */
-#ifdef _ORG_FREEBSD_
- if (issetugid() == 0 && (cp = getenv("LOCALDOMAIN")) != NULL)
-#else
- if ((cp = getenv("LOCALDOMAIN")) != NULL)
-#endif
- {
- (void)strncpy(_res.defdname, cp, sizeof(_res.defdname) - 1);
- _res.defdname[sizeof(_res.defdname) - 1] = '\0';
- haveenv++;
-
- /*
- * Set search list to be blank-separated strings
- * from rest of env value. Permits users of LOCALDOMAIN
- * to still have a search list, and anyone to set the
- * one that they want to use as an individual (even more
- * important now that the rfc1535 stuff restricts searches)
- */
- cp = _res.defdname;
- pp = _res.dnsrch;
- *pp++ = cp;
- for (n = 0; *cp && pp < _res.dnsrch + MAXDNSRCH; cp++) {
- if (*cp == '\n') /* silly backwards compat */
- break;
- else if (*cp == ' ' || *cp == '\t') {
- *cp = 0;
- n = 1;
- } else if (n) {
- *pp++ = cp;
- n = 0;
- havesearch = 1;
- }
- }
- /* null terminate last domain if there are excess */
- while (*cp != '\0' && *cp != ' ' && *cp != '\t' && *cp != '\n')
- cp++;
- *cp = '\0';
- *pp++ = 0;
- }
-
-#define MATCH(line, name) \
- (!strncmp(line, name, sizeof(name) - 1) && \
- (line[sizeof(name) - 1] == ' ' || \
- line[sizeof(name) - 1] == '\t'))
-
- if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
- /* read the config file */
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- /* skip comments */
- if (*buf == ';' || *buf == '#')
- continue;
- /* read default domain name */
- if (MATCH(buf, "domain")) {
- if (haveenv) /* skip if have from environ */
- continue;
- cp = buf + sizeof("domain") - 1;
- while (*cp == ' ' || *cp == '\t')
- cp++;
- if ((*cp == '\0') || (*cp == '\n'))
- continue;
- strncpy(_res.defdname, cp, sizeof(_res.defdname) - 1);
- _res.defdname[sizeof(_res.defdname) - 1] = '\0';
- if ((cp = strpbrk(_res.defdname, " \t\n")) != NULL)
- *cp = '\0';
- havesearch = 0;
- continue;
- }
- /* set search list */
- if (MATCH(buf, "search")) {
- if (haveenv) /* skip if have from environ */
- continue;
- cp = buf + sizeof("search") - 1;
- while (*cp == ' ' || *cp == '\t')
- cp++;
- if ((*cp == '\0') || (*cp == '\n'))
- continue;
- strncpy(_res.defdname, cp, sizeof(_res.defdname) - 1);
- _res.defdname[sizeof(_res.defdname) - 1] = '\0';
- if ((cp = strchr(_res.defdname, '\n')) != NULL)
- *cp = '\0';
- /*
- * Set search list to be blank-separated strings
- * on rest of line.
- */
- cp = _res.defdname;
- pp = _res.dnsrch;
- *pp++ = cp;
- for (n = 0; *cp && pp < _res.dnsrch + MAXDNSRCH; cp++) {
- if (*cp == ' ' || *cp == '\t') {
- *cp = 0;
- n = 1;
- } else if (n) {
- *pp++ = cp;
- n = 0;
- }
- }
- /* null terminate last domain if there are excess */
- while (*cp != '\0' && *cp != ' ' && *cp != '\t')
- cp++;
- *cp = '\0';
- *pp++ = 0;
- havesearch = 1;
- continue;
- }
- /* read nameservers to query */
- if (MATCH(buf, "nameserver") && nserv < MAXNS) {
- struct in_addr a;
-
- cp = buf + sizeof("nameserver") - 1;
- while (*cp == ' ' || *cp == '\t')
- cp++;
- if ((*cp != '\0') && (*cp != '\n') && inet_aton(cp, &a)) {
- _res.nsaddr_list[nserv].sin_addr = a;
- _res.nsaddr_list[nserv].sin_family = AF_INET;
- _res.nsaddr_list[nserv].sin_port =
- htons(NAMESERVER_PORT);
- nserv++;
- }
- continue;
- }
-#ifdef RESOLVSORT
- if (MATCH(buf, "sortlist")) {
- struct in_addr a;
-
- cp = buf + sizeof("sortlist") - 1;
- while (nsort < MAXRESOLVSORT) {
- while (*cp == ' ' || *cp == '\t')
- cp++;
- if (*cp == '\0' || *cp == '\n' || *cp == ';')
- break;
- net = cp;
- while (*cp && !ISSORTMASK(*cp) && *cp != ';' &&
- isascii(*cp) && !isspace(*cp))
- cp++;
- n = *cp;
- *cp = 0;
- if (inet_aton(net, &a)) {
- _res.sort_list[nsort].addr = a;
- if (ISSORTMASK(n)) {
- *cp++ = (char)n;
- net = cp;
- while (*cp && *cp != ';' &&
- isascii(*cp) && !isspace(*cp))
- cp++;
- n = *cp;
- *cp = 0;
- if (inet_aton(net, &a)) {
- _res.sort_list[nsort].mask = a.s_addr;
- } else {
- _res.sort_list[nsort].mask =
- net_mask(_res.sort_list[nsort].addr);
- }
- } else {
- _res.sort_list[nsort].mask =
- net_mask(_res.sort_list[nsort].addr);
- }
- nsort++;
- }
- *cp = (char)n;
- }
- continue;
- }
-#endif
- if (MATCH(buf, "options")) {
- res_setoptions(buf + sizeof("options") - 1, "conf");
- continue;
- }
- }
- if (nserv > 1)
- _res.nscount = nserv;
-#ifdef RESOLVSORT
- _res.nsort = nsort;
-#endif
- (void) fclose(fp);
- }
- if (_res.defdname[0] == 0 &&
- gethostname(buf, sizeof(_res.defdname) - 1) == 0 &&
- (cp = strchr(buf, '.')) != NULL)
- strcpy(_res.defdname, cp + 1);
-
- /* find components of local domain that might be searched */
- if (havesearch == 0) {
- pp = _res.dnsrch;
- *pp++ = _res.defdname;
- *pp = NULL;
-
-#ifndef RFC1535
- dots = 0;
- for (cp = _res.defdname; *cp; cp++)
- dots += (*cp == '.');
-
- cp = _res.defdname;
- while (pp < _res.dnsrch + MAXDFLSRCH) {
- if (dots < LOCALDOMAINPARTS)
- break;
- cp = strchr(cp, '.') + 1; /* we know there is one */
- *pp++ = cp;
- dots--;
- }
- *pp = NULL;
-#ifdef DEBUG
- if (_res.options & RES_DEBUG) {
- printf(";; res_init()... default dnsrch list:\n");
- for (pp = _res.dnsrch; *pp; pp++)
- printf(";;\t%s\n", *pp);
- printf(";;\t..END..\n");
- }
-#endif
-#endif /* !RFC1535 */
- }
-
-#ifdef _ORG_FREEBSD_
- if (issetugid())
-#else
- if (1)
-#endif
- _res.options |= RES_NOALIASES;
- else if ((cp = getenv("RES_OPTIONS")) != NULL)
- res_setoptions(cp, "env");
- _res.options |= RES_INIT;
- if ( 0 == nserv ) {
- return -1;
- }
- return (0);
-}
-
-static void
-res_setoptions(
- char *options,
- char *source
- )
-{
- char *cp = options;
- int i;
-
-#ifdef DEBUG
- if (_res.options & RES_DEBUG)
- printf(";; res_setoptions(\"%s\", \"%s\")...\n",
- options, source);
-#endif
- while (*cp) {
- /* skip leading and inner runs of spaces */
- while (*cp == ' ' || *cp == '\t')
- cp++;
- /* search for and process individual options */
- if (!strncmp(cp, "ndots:", sizeof("ndots:") - 1)) {
- i = atoi(cp + sizeof("ndots:") - 1);
- if (i <= RES_MAXNDOTS)
- _res.ndots = i;
- else
- _res.ndots = RES_MAXNDOTS;
-#ifdef DEBUG
- if (_res.options & RES_DEBUG)
- printf(";;\tndots=%d\n", _res.ndots);
-#endif
- } else if (!strncmp(cp, "debug", sizeof("debug") - 1)) {
-#ifdef DEBUG
- if (!(_res.options & RES_DEBUG)) {
- printf(";; res_setoptions(\"%s\", \"%s\")..\n",
- options, source);
- _res.options |= RES_DEBUG;
- }
- printf(";;\tdebug\n");
-#endif
- } else if (!strncmp(cp, "inet6", sizeof("inet6") - 1)) {
- _res.options |= RES_USE_INET6;
- } else if (!strncmp(cp, "no_tld_query", sizeof("no_tld_query") - 1)) {
- _res.options |= RES_NOTLDQUERY;
- } else {
- /* XXX - print a warning here? */
- }
- /* skip to next run of spaces */
- while (*cp && *cp != ' ' && *cp != '\t')
- cp++;
- }
-}
-
-#ifdef RESOLVSORT
-/* XXX - should really support CIDR which means explicit masks always. */
-static u_int32_t
-net_mask(
- struct in_addr in
- )
-{
- register u_int32_t i = ntohl(in.s_addr);
-
- if (IN_CLASSA(i))
- return (htonl(IN_CLASSA_NET));
- else if (IN_CLASSB(i))
- return (htonl(IN_CLASSB_NET));
- return (htonl(IN_CLASSC_NET));
-}
-#endif
-
-u_int
-res_randomid()
-{
- struct timeval now;
-
- gettimeofday(&now, NULL);
- return (0xffff & (now.tv_sec ^ now.tv_usec /* ^ getpid() */));
-}
|