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_update.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_update.c')
-rw-r--r-- | StdLib/BsdSocketLib/res_update.c | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/StdLib/BsdSocketLib/res_update.c b/StdLib/BsdSocketLib/res_update.c deleted file mode 100644 index be0f531092..0000000000 --- a/StdLib/BsdSocketLib/res_update.c +++ /dev/null @@ -1,561 +0,0 @@ -/** @file
- Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available
- under the terms and conditions of the BSD License which accompanies this
- distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-**/
-/*
- * 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.
- */
-
-/*
- * 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 Intel Corporation and
- * its contributors.
- *
- * 4. Neither the name of Intel Corporation or its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY 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 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.
- *
- */
-
-/*
- * Based on the Dynamic DNS reference implementation by Viraj Bais
- * <viraj_bais@ccm.fm.intel.com>
- */
-
-#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 <errno.h>
-#include <limits.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/*
- * Separate a linked list of records into groups so that all records
- * in a group will belong to a single zone on the nameserver.
- * Create a dynamic update packet for each zone and send it to the
- * nameservers for that zone, and await answer.
- * Abort if error occurs in updating any zone.
- * Return the number of zones updated on success, < 0 on error.
- *
- * On error, caller must deal with the unsynchronized zones
- * eg. an A record might have been successfully added to the forward
- * zone but the corresponding PTR record would be missing if error
- * was encountered while updating the reverse zone.
- */
-
-#define NSMAX 16
-
-struct ns1 {
- char nsname[MAXDNAME];
- struct in_addr nsaddr1;
-};
-
-struct zonegrp {
- char z_origin[MAXDNAME];
- int16_t z_class;
- char z_soardata[MAXDNAME + 5 * INT32SZ];
- struct ns1 z_ns[NSMAX];
- int z_nscount;
- ns_updrec * z_rr;
- struct zonegrp *z_next;
-};
-
-
-int
-res_update(ns_updrec *rrecp_in) {
- ns_updrec *rrecp, *tmprrecp;
- u_char buf[PACKETSZ], answer[PACKETSZ], packet[2*PACKETSZ];
- char name[MAXDNAME], zname[MAXDNAME], primary[MAXDNAME],
- mailaddr[MAXDNAME];
- u_char soardata[2*MAXCDNAME+5*INT32SZ];
- char *dname, *svdname, *cp1, *target;
- u_char *cp, *eom;
- HEADER *hp = (HEADER *) answer;
- struct zonegrp *zptr = NULL, *tmpzptr, *prevzptr, *zgrp_start = NULL;
- int i, j, k = 0, n, ancount, nscount, arcount, rcode, rdatasize,
- newgroup, done, myzone, seen_before, numzones = 0;
- u_int16_t dlen, class, qclass, type, qtype;
- u_int32_t ttl;
-
- if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
- h_errno = NETDB_INTERNAL;
- return (-1);
- }
-
- for (rrecp = rrecp_in; rrecp; rrecp = rrecp->r_next) {
- dname = rrecp->r_dname;
- n = (int)strlen(dname);
- if (dname[n-1] == '.')
- dname[n-1] = '\0';
- qtype = T_SOA;
- qclass = rrecp->r_class;
- done = 0;
- seen_before = 0;
-
- while (!done && dname) {
- if (qtype == T_SOA) {
- for (tmpzptr = zgrp_start;
- tmpzptr && !seen_before;
- tmpzptr = tmpzptr->z_next) {
- if (strcasecmp(dname,
- tmpzptr->z_origin) == 0 &&
- tmpzptr->z_class == qclass)
- seen_before++;
- for (tmprrecp = tmpzptr->z_rr;
- tmprrecp && !seen_before;
- tmprrecp = tmprrecp->r_grpnext)
- if (strcasecmp(dname, tmprrecp->r_dname) == 0
- && tmprrecp->r_class == qclass) {
- seen_before++;
- break;
- }
- if (seen_before) {
- /*
- * Append to the end of
- * current group.
- */
- for (tmprrecp = tmpzptr->z_rr;
- tmprrecp->r_grpnext;
- tmprrecp = tmprrecp->r_grpnext)
- (void)NULL;
- tmprrecp->r_grpnext = rrecp;
- rrecp->r_grpnext = NULL;
- done = 1;
- break;
- }
- }
- } else if (qtype == T_A) {
- for (tmpzptr = zgrp_start;
- tmpzptr && !done;
- tmpzptr = tmpzptr->z_next)
- for (i = 0; i < tmpzptr->z_nscount; i++)
- if (tmpzptr->z_class == qclass &&
- strcasecmp(tmpzptr->z_ns[i].nsname,
- dname) == 0 &&
- tmpzptr->z_ns[i].nsaddr1.s_addr != 0) {
- zptr->z_ns[k].nsaddr1.s_addr =
- tmpzptr->z_ns[i].nsaddr1.s_addr;
- done = 1;
- break;
- }
- }
- if (done)
- break;
- n = res_mkquery(QUERY, dname, qclass, qtype, NULL,
- 0, NULL, buf, sizeof buf);
- if (n <= 0) {
- fprintf(stderr, "res_update: mkquery failed\n");
- return (n);
- }
- n = res_send(buf, n, answer, sizeof answer);
- if (n < 0) {
- fprintf(stderr, "res_update: send error for %s\n",
- rrecp->r_dname);
- return (n);
- }
- if (n < HFIXEDSZ)
- return (-1);
- ancount = ntohs(hp->ancount);
- nscount = ntohs(hp->nscount);
- arcount = ntohs(hp->arcount);
- rcode = hp->rcode;
- cp = answer + HFIXEDSZ;
- eom = answer + n;
- /* skip the question section */
- n = dn_skipname(cp, eom);
- if (n < 0 || cp + n + 2 * INT16SZ > eom)
- return (-1);
- cp += n + 2 * INT16SZ;
-
- if (qtype == T_SOA) {
- if (ancount == 0 && nscount == 0 && arcount == 0) {
- /*
- * if (rcode == NOERROR) then the dname exists but
- * has no soa record associated with it.
- * if (rcode == NXDOMAIN) then the dname does not
- * exist and the server is replying out of NCACHE.
- * in either case, proceed with the next try
- */
- dname = strchr(dname, '.');
- if (dname != NULL)
- dname++;
- continue;
- } else if ((rcode == NOERROR || rcode == NXDOMAIN) &&
- ancount == 0 &&
- nscount == 1 && arcount == 0) {
- /*
- * name/data does not exist, soa record supplied in the
- * authority section
- */
- /* authority section must contain the soa record */
- if ((n = dn_expand(answer, eom, cp, zname,
- sizeof zname)) < 0)
- return (n);
- cp += n;
- if (cp + 2 * INT16SZ > eom)
- return (-1);
- GETSHORT(type, cp);
- GETSHORT(class, cp);
- if (type != T_SOA || class != qclass) {
- fprintf(stderr, "unknown answer\n");
- return (-1);
- }
- myzone = 0;
- svdname = dname;
- while (dname)
- if (strcasecmp(dname, zname) == 0) {
- myzone = 1;
- break;
- } else if ((dname = strchr(dname, '.')) != NULL)
- dname++;
- if (!myzone) {
- dname = strchr(svdname, '.');
- if (dname != NULL)
- dname++;
- continue;
- }
- nscount = 0;
- /* fallthrough */
- } else if (rcode == NOERROR && ancount == 1) {
- /*
- * found the zone name
- * new servers will supply NS records for the zone
- * in authority section and A records for those
- * nameservers in the additional section
- * older servers have to be explicitly queried for
- * NS records for the zone
- */
- /* answer section must contain the soa record */
- if ((n = dn_expand(answer, eom, cp, zname,
- sizeof zname)) < 0)
- return (n);
- else
- cp += n;
- if (cp + 2 * INT16SZ > eom)
- return (-1);
- GETSHORT(type, cp);
- GETSHORT(class, cp);
- if (type == T_CNAME) {
- dname = strchr(dname, '.');
- if (dname != NULL)
- dname++;
- continue;
- }
- if (strcasecmp(dname, zname) != 0 ||
- type != T_SOA ||
- class != rrecp->r_class) {
- fprintf(stderr, "unknown answer\n");
- return (-1);
- }
- /* FALLTHROUGH */
- } else {
- fprintf(stderr,
- "unknown response: ans=%d, auth=%d, add=%d, rcode=%d\n",
- ancount, nscount, arcount, hp->rcode);
- return (-1);
- }
- if (cp + INT32SZ + INT16SZ > eom)
- return (-1);
- /* continue processing the soa record */
- GETLONG(ttl, cp);
- GETSHORT(dlen, cp);
- if (cp + dlen > eom)
- return (-1);
- newgroup = 1;
- zptr = zgrp_start;
- prevzptr = NULL;
- while (zptr) {
- if (strcasecmp(zname, zptr->z_origin) == 0 &&
- type == T_SOA && class == qclass) {
- newgroup = 0;
- break;
- }
- prevzptr = zptr;
- zptr = zptr->z_next;
- }
- if (!newgroup) {
- for (tmprrecp = zptr->z_rr;
- tmprrecp->r_grpnext;
- tmprrecp = tmprrecp->r_grpnext)
- ;
- tmprrecp->r_grpnext = rrecp;
- rrecp->r_grpnext = NULL;
- done = 1;
- cp += dlen;
- break;
- } else {
- if ((n = dn_expand(answer, eom, cp, primary,
- sizeof primary)) < 0)
- return (n);
- cp += n;
- /*
- * We don't have to bounds check here because the
- * next use of 'cp' is in dn_expand().
- */
- cp1 = (char *)soardata;
- strcpy(cp1, primary);
- cp1 += strlen(cp1) + 1;
- if ((n = dn_expand(answer, eom, cp, mailaddr,
- sizeof mailaddr)) < 0)
- return (n);
- cp += n;
- strcpy(cp1, mailaddr);
- cp1 += strlen(cp1) + 1;
- if (cp + 5*INT32SZ > eom)
- return (-1);
- memcpy(cp1, cp, 5*INT32SZ);
- cp += 5*INT32SZ;
- cp1 += 5*INT32SZ;
- rdatasize = (int)((u_char *)cp1 - soardata);
- zptr = calloc(1, sizeof(struct zonegrp));
- if (zptr == NULL)
- return (-1);
- if (zgrp_start == NULL)
- zgrp_start = zptr;
- else
- prevzptr->z_next = zptr;
- zptr->z_rr = rrecp;
- rrecp->r_grpnext = NULL;
- strcpy(zptr->z_origin, zname);
- zptr->z_class = class;
- memcpy(zptr->z_soardata, soardata, rdatasize);
- /* fallthrough to process NS and A records */
- }
- } else if (qtype == T_NS) {
- if (rcode == NOERROR && ancount > 0) {
- strcpy(zname, dname);
- for (zptr = zgrp_start; zptr; zptr = zptr->z_next) {
- if (strcasecmp(zname, zptr->z_origin) == 0)
- break;
- }
- if (zptr == NULL)
- /* should not happen */
- return (-1);
- if (nscount > 0) {
- /*
- * answer and authority sections contain
- * the same information, skip answer section
- */
- for (j = 0; j < ancount; j++) {
- n = dn_skipname(cp, eom);
- if (n < 0)
- return (-1);
- n += 2*INT16SZ + INT32SZ;
- if (cp + n + INT16SZ > eom)
- return (-1);
- cp += n;
- GETSHORT(dlen, cp);
- cp += dlen;
- }
- } else
- nscount = ancount;
- /* fallthrough to process NS and A records */
- } else {
- fprintf(stderr, "cannot determine nameservers for %s:\
-ans=%d, auth=%d, add=%d, rcode=%d\n",
- dname, ancount, nscount, arcount, hp->rcode);
- return (-1);
- }
- } else if (qtype == T_A) {
- if (rcode == NOERROR && ancount > 0) {
- arcount = ancount;
- ancount = nscount = 0;
- /* fallthrough to process A records */
- } else {
- fprintf(stderr, "cannot determine address for %s:\
-ans=%d, auth=%d, add=%d, rcode=%d\n",
- dname, ancount, nscount, arcount, hp->rcode);
- return (-1);
- }
- }
- /* process NS records for the zone */
- j = 0;
- for (i = 0; i < nscount; i++) {
- if ((n = dn_expand(answer, eom, cp, name,
- sizeof name)) < 0)
- return (n);
- cp += n;
- if (cp + 3 * INT16SZ + INT32SZ > eom)
- return (-1);
- GETSHORT(type, cp);
- GETSHORT(class, cp);
- GETLONG(ttl, cp);
- GETSHORT(dlen, cp);
- if (cp + dlen > eom)
- return (-1);
- if (strcasecmp(name, zname) == 0 &&
- type == T_NS && class == qclass) {
- if ((n = dn_expand(answer, eom, cp,
- name, sizeof name)) < 0)
- return (n);
- target = zptr->z_ns[j++].nsname;
- strcpy(target, name);
- }
- cp += dlen;
- }
- if (zptr->z_nscount == 0)
- zptr->z_nscount = j;
- /* get addresses for the nameservers */
- for (i = 0; i < arcount; i++) {
- if ((n = dn_expand(answer, eom, cp, name,
- sizeof name)) < 0)
- return (n);
- cp += n;
- if (cp + 3 * INT16SZ + INT32SZ > eom)
- return (-1);
- GETSHORT(type, cp);
- GETSHORT(class, cp);
- GETLONG(ttl, cp);
- GETSHORT(dlen, cp);
- if (cp + dlen > eom)
- return (-1);
- if (type == T_A && dlen == INT32SZ && class == qclass) {
- for (j = 0; j < zptr->z_nscount; j++)
- if (strcasecmp(name, zptr->z_ns[j].nsname) == 0) {
- memcpy(&zptr->z_ns[j].nsaddr1.s_addr, cp,
- INT32SZ);
- break;
- }
- }
- cp += dlen;
- }
- if (zptr->z_nscount == 0) {
- dname = zname;
- qtype = T_NS;
- continue;
- }
- done = 1;
- for (k = 0; k < zptr->z_nscount; k++)
- if (zptr->z_ns[k].nsaddr1.s_addr == 0) {
- done = 0;
- dname = zptr->z_ns[k].nsname;
- qtype = T_A;
- }
- } /* while */
- }
- --ttl; // Suppress the "Set but not used" warning/error for ttl.
-
- _res.options |= RES_DEBUG;
- for (zptr = zgrp_start; zptr; zptr = zptr->z_next) {
-
- /* append zone section */
- rrecp = res_mkupdrec(ns_s_zn, zptr->z_origin,
- zptr->z_class, ns_t_soa, 0);
- if (rrecp == NULL) {
- fprintf(stderr, "saverrec error\n");
- fflush(stderr);
- return (-1);
- }
- rrecp->r_grpnext = zptr->z_rr;
- zptr->z_rr = rrecp;
-
- n = res_mkupdate(zptr->z_rr, packet, sizeof packet);
- if (n < 0) {
- fprintf(stderr, "res_mkupdate error\n");
- fflush(stderr);
- return (-1);
- } else
- fprintf(stdout, "res_mkupdate: packet size = %d\n", n);
-
- /* Override the list of NS records from res_init() with
- * the authoritative nameservers for the zone being updated.
- * Sort primary to be the first in the list of nameservers.
- */
- for (i = 0; i < zptr->z_nscount; i++) {
- if (strcasecmp(zptr->z_ns[i].nsname,
- zptr->z_soardata) == 0) {
- struct in_addr tmpaddr;
-
- if (i != 0) {
- strcpy(zptr->z_ns[i].nsname,
- zptr->z_ns[0].nsname);
- strcpy(zptr->z_ns[0].nsname,
- zptr->z_soardata);
- tmpaddr = zptr->z_ns[i].nsaddr1;
- zptr->z_ns[i].nsaddr1 =
- zptr->z_ns[0].nsaddr1;
- zptr->z_ns[0].nsaddr1 = tmpaddr;
- }
- break;
- }
- }
- for (i = 0; i < MAXNS; i++) {
- _res.nsaddr_list[i].sin_addr = zptr->z_ns[i].nsaddr1;
- _res.nsaddr_list[i].sin_family = AF_INET;
- _res.nsaddr_list[i].sin_port = htons(NAMESERVER_PORT);
- }
- _res.nscount = (zptr->z_nscount < MAXNS) ?
- zptr->z_nscount : MAXNS;
- n = res_send(packet, n, answer, sizeof(answer));
- if (n < 0) {
- fprintf(stderr, "res_send: send error, n=%d\n", n);
- break;
- } else
- numzones++;
- }
-
- /* free malloc'ed memory */
- while(zgrp_start) {
- zptr = zgrp_start;
- zgrp_start = zgrp_start->z_next;
- res_freeupdrec(zptr->z_rr); /* Zone section we allocated. */
- free((char *)zptr);
- }
-
- return (numzones);
-}
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