File Manager

003 File Manager

Current Path: /usr/src/crypto/openssh/openbsd-compat

usr / src / crypto / openssh / openbsd-compat /

📁 ..
📄 Makefile.in(1.77 KB)
📄 arc4random.c(7.06 KB)
📄 base64.c(10.25 KB)
📄 base64.h(2.69 KB)
📄 basename.c(1.78 KB)
📄 bcrypt_pbkdf.c(5.38 KB)
📄 bindresvport.c(3.24 KB)
📄 blf.h(3.49 KB)
📄 blowfish.c(23.11 KB)
📄 bsd-asprintf.c(2.31 KB)
📄 bsd-closefrom.c(2.84 KB)
📄 bsd-cygwin_util.c(3.15 KB)
📄 bsd-cygwin_util.h(2.34 KB)
📄 bsd-err.c(2.15 KB)
📄 bsd-flock.c(2.23 KB)
📄 bsd-getline.c(2.9 KB)
📄 bsd-getpagesize.c(463 B)
📄 bsd-getpeereid.c(1.68 KB)
📄 bsd-malloc.c(1.4 KB)
📄 bsd-misc.c(5.88 KB)
📄 bsd-misc.h(3.61 KB)
📄 bsd-nextstep.c(2.5 KB)
📄 bsd-nextstep.h(2.22 KB)
📄 bsd-openpty.c(4.92 KB)
📄 bsd-poll.c(2.91 KB)
📄 bsd-poll.h(2.06 KB)
📄 bsd-setres_id.c(2.34 KB)
📄 bsd-setres_id.h(930 B)
📄 bsd-signal.c(1.55 KB)
📄 bsd-signal.h(1.15 KB)
📄 bsd-snprintf.c(20.58 KB)
📄 bsd-statvfs.c(2.09 KB)
📄 bsd-statvfs.h(2.24 KB)
📄 bsd-waitpid.c(1.77 KB)
📄 bsd-waitpid.h(2.02 KB)
📄 chacha_private.h(5.26 KB)
📄 charclass.h(702 B)
📄 daemon.c(2.32 KB)
📄 dirname.c(1.87 KB)
📄 explicit_bzero.c(1.09 KB)
📄 fake-rfc2553.c(6.15 KB)
📄 fake-rfc2553.h(5.2 KB)
📄 fmt_scaled.c(7.69 KB)
📄 freezero.c(1.01 KB)
📄 getcwd.c(5.95 KB)
📄 getgrouplist.c(2.7 KB)
📄 getopt.h(2.71 KB)
📄 getopt_long.c(14.46 KB)
📄 getrrsetbyname-ldns.c(7.81 KB)
📄 getrrsetbyname.c(13.56 KB)
📄 getrrsetbyname.h(3.62 KB)
📄 glob.c(25.53 KB)
📄 glob.h(4.54 KB)
📄 inet_aton.c(5.23 KB)
📄 inet_ntoa.c(2.21 KB)
📄 inet_ntop.c(5.42 KB)
📄 kludge-fd_set.c(882 B)
📄 libressl-api-compat.c(16.19 KB)
📄 md5.c(7.83 KB)
📄 md5.h(1.85 KB)
📄 mktemp.c(3.14 KB)
📄 openbsd-compat.h(8.68 KB)
📄 openssl-compat.c(2.43 KB)
📄 openssl-compat.h(7.22 KB)
📄 port-aix.c(12.61 KB)
📄 port-aix.h(4.22 KB)
📄 port-irix.c(2.94 KB)
📄 port-irix.h(1.65 KB)
📄 port-linux.c(7.66 KB)
📄 port-linux.h(1.18 KB)
📄 port-net.c(8.33 KB)
📄 port-net.h(1.58 KB)
📄 port-solaris.c(9.56 KB)
📄 port-solaris.h(1.27 KB)
📄 port-uw.c(4.16 KB)
📄 port-uw.h(1.37 KB)
📄 pwcache.c(3.22 KB)
📄 readpassphrase.c(5.79 KB)
📄 readpassphrase.h(1.75 KB)
📄 reallocarray.c(1.49 KB)
📄 realpath.c(6.08 KB)
📄 recallocarray.c(2.4 KB)
📁 regress
📄 rmd160.c(11.72 KB)
📄 rmd160.h(2.81 KB)
📄 rresvport.c(2.97 KB)
📄 setenv.c(5.76 KB)
📄 setproctitle.c(4.55 KB)
📄 sha1.c(5.18 KB)
📄 sha1.h(2.23 KB)
📄 sha2.c(24.88 KB)
📄 sha2.h(5.66 KB)
📄 sigact.c(3.82 KB)
📄 sigact.h(3.66 KB)
📄 strcasestr.c(2.35 KB)
📄 strlcat.c(1.76 KB)
📄 strlcpy.c(1.64 KB)
📄 strmode.c(3.38 KB)
📄 strndup.c(1.27 KB)
📄 strnlen.c(1.18 KB)
📄 strptime.c(9.28 KB)
📄 strsep.c(2.59 KB)
📄 strtoll.c(4.29 KB)
📄 strtonum.c(1.85 KB)
📄 strtoul.c(3.07 KB)
📄 strtoull.c(3.13 KB)
📄 sys-queue.h(21.04 KB)
📄 sys-tree.h(24.68 KB)
📄 timingsafe_bcmp.c(1.17 KB)
📄 vis.c(5.97 KB)
📄 vis.h(3.57 KB)
📄 xcrypt.c(4.26 KB)

Editing: getrrsetbyname-ldns.c

/* $OpenBSD: getrrsetbyname.c,v 1.10 2005/03/30 02:58:28 tedu Exp $ */

/*
 * Copyright (c) 2007 Simon Vallet / Genoscope <svallet@genoscope.cns.fr>
 *
 * 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 AUTHOR ``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 AUTHOR 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) 1999-2001 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 "includes.h"

#if !defined (HAVE_GETRRSETBYNAME) && defined (HAVE_LDNS)

#include <stdlib.h>
#include <string.h>

#include <ldns/ldns.h>

#include "getrrsetbyname.h"
#include "log.h"
#include "xmalloc.h"

#define malloc(x)	(xmalloc(x))
#define calloc(x, y)	(xcalloc((x),(y)))

int
getrrsetbyname(const char *hostname, unsigned int rdclass,
	       unsigned int rdtype, unsigned int flags,
	       struct rrsetinfo **res)
{
	int result;
	unsigned int i, j, index_ans, index_sig;
	struct rrsetinfo *rrset = NULL;
	struct rdatainfo *rdata;
	size_t len;
	ldns_resolver *ldns_res = NULL;
	ldns_rdf *domain = NULL;
	ldns_pkt *pkt = NULL;
	ldns_rr_list *rrsigs = NULL, *rrdata = NULL;
	ldns_status err;
	ldns_rr *rr;

/* check for invalid class and type */
	if (rdclass > 0xffff || rdtype > 0xffff) {
		result = ERRSET_INVAL;
		goto fail;
	}

/* don't allow queries of class or type ANY */
	if (rdclass == 0xff || rdtype == 0xff) {
		result = ERRSET_INVAL;
		goto fail;
	}

/* don't allow flags yet, unimplemented */
	if (flags) {
		result = ERRSET_INVAL;
		goto fail;
	}

/* Initialize resolver from resolv.conf */
	domain = ldns_dname_new_frm_str(hostname);
	if ((err = ldns_resolver_new_frm_file(&ldns_res, NULL)) != \
	    LDNS_STATUS_OK) {
		result = ERRSET_FAIL;
		goto fail;
	}

#ifdef LDNS_DEBUG
	ldns_resolver_set_debug(ldns_res, true);
#endif /* LDNS_DEBUG */

ldns_resolver_set_dnssec(ldns_res, true); /* Use DNSSEC */

/* make query */
	pkt = ldns_resolver_query(ldns_res, domain, rdtype, rdclass, LDNS_RD);

/*** TODO: finer errcodes -- see original **/
	if (!pkt || ldns_pkt_ancount(pkt) < 1) {
		result = ERRSET_FAIL;
		goto fail;
	}

/* initialize rrset */
	rrset = calloc(1, sizeof(struct rrsetinfo));
	if (rrset == NULL) {
		result = ERRSET_NOMEMORY;
		goto fail;
	}

rrdata = ldns_pkt_rr_list_by_type(pkt, rdtype, LDNS_SECTION_ANSWER);
	rrset->rri_nrdatas = ldns_rr_list_rr_count(rrdata);
	if (!rrset->rri_nrdatas) {
		result = ERRSET_NODATA;
		goto fail;
	}

/* copy name from answer section */
	len = ldns_rdf_size(ldns_rr_owner(ldns_rr_list_rr(rrdata, 0)));
	if ((rrset->rri_name = malloc(len)) == NULL) {
		result = ERRSET_NOMEMORY;
		goto fail;
	}
	memcpy(rrset->rri_name,
	    ldns_rdf_data(ldns_rr_owner(ldns_rr_list_rr(rrdata, 0))), len);

rrset->rri_rdclass = ldns_rr_get_class(ldns_rr_list_rr(rrdata, 0));
	rrset->rri_rdtype = ldns_rr_get_type(ldns_rr_list_rr(rrdata, 0));
	rrset->rri_ttl = ldns_rr_ttl(ldns_rr_list_rr(rrdata, 0));

debug2("ldns: got %u answers from DNS", rrset->rri_nrdatas);

/* Check for authenticated data */
	if (ldns_pkt_ad(pkt)) {
		rrset->rri_flags |= RRSET_VALIDATED;
	} else { /* AD is not set, try autonomous validation */
		ldns_rr_list * trusted_keys = ldns_rr_list_new();

debug2("ldns: trying to validate RRset");
		/* Get eventual sigs */
		rrsigs = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_RRSIG,
		    LDNS_SECTION_ANSWER);

rrset->rri_nsigs = ldns_rr_list_rr_count(rrsigs);
		debug2("ldns: got %u signature(s) (RRTYPE %u) from DNS",
		       rrset->rri_nsigs, LDNS_RR_TYPE_RRSIG);

if ((err = ldns_verify_trusted(ldns_res, rrdata, rrsigs,
		     trusted_keys)) == LDNS_STATUS_OK) {
			rrset->rri_flags |= RRSET_VALIDATED;
			debug2("ldns: RRset is signed with a valid key");
		} else {
			debug2("ldns: RRset validation failed: %s",
			    ldns_get_errorstr_by_id(err));
		}

ldns_rr_list_deep_free(trusted_keys);
	}

/* allocate memory for answers */
	rrset->rri_rdatas = calloc(rrset->rri_nrdatas,
	   sizeof(struct rdatainfo));

if (rrset->rri_rdatas == NULL) {
		result = ERRSET_NOMEMORY;
		goto fail;
	}

/* allocate memory for signatures */
	if (rrset->rri_nsigs > 0) {
		rrset->rri_sigs = calloc(rrset->rri_nsigs,
		    sizeof(struct rdatainfo));

if (rrset->rri_sigs == NULL) {
			result = ERRSET_NOMEMORY;
			goto fail;
		}
	}

/* copy answers & signatures */
	for (i=0, index_ans=0, index_sig=0; i< pkt->_header->_ancount; i++) {
		rdata = NULL;
		rr = ldns_rr_list_rr(ldns_pkt_answer(pkt), i);

if (ldns_rr_get_class(rr) == rrset->rri_rdclass &&
		    ldns_rr_get_type(rr) == rrset->rri_rdtype) {
			rdata = &rrset->rri_rdatas[index_ans++];
		}

if (rr->_rr_class == rrset->rri_rdclass &&
		    rr->_rr_type == LDNS_RR_TYPE_RRSIG &&
		    rrset->rri_sigs) {
			rdata = &rrset->rri_sigs[index_sig++];
		}

if (rdata) {
			size_t rdata_offset = 0;

rdata->rdi_length = 0;
			for (j=0; j< rr->_rd_count; j++) {
				rdata->rdi_length +=
				    ldns_rdf_size(ldns_rr_rdf(rr, j));
			}

rdata->rdi_data = malloc(rdata->rdi_length);
			if (rdata->rdi_data == NULL) {
				result = ERRSET_NOMEMORY;
				goto fail;
			}

/* Re-create the raw DNS RDATA */
			for (j=0; j< rr->_rd_count; j++) {
				len = ldns_rdf_size(ldns_rr_rdf(rr, j));
				memcpy(rdata->rdi_data + rdata_offset,
				       ldns_rdf_data(ldns_rr_rdf(rr, j)), len);
				rdata_offset += len;
			}
		}
	}

*res = rrset;
	result = ERRSET_SUCCESS;

fail:
	/* freerrset(rrset); */
	ldns_rdf_deep_free(domain);
	ldns_pkt_free(pkt);
	ldns_rr_list_deep_free(rrsigs);
	ldns_rr_list_deep_free(rrdata);
	ldns_resolver_deep_free(ldns_res);

return result;
}

void
freerrset(struct rrsetinfo *rrset)
{
	u_int16_t i;

if (rrset == NULL)
		return;

if (rrset->rri_rdatas) {
		for (i = 0; i < rrset->rri_nrdatas; i++) {
			if (rrset->rri_rdatas[i].rdi_data == NULL)
				break;
			free(rrset->rri_rdatas[i].rdi_data);
		}
		free(rrset->rri_rdatas);
	}

if (rrset->rri_sigs) {
		for (i = 0; i < rrset->rri_nsigs; i++) {
			if (rrset->rri_sigs[i].rdi_data == NULL)
				break;
			free(rrset->rri_sigs[i].rdi_data);
		}
		free(rrset->rri_sigs);
	}

if (rrset->rri_name)
		free(rrset->rri_name);
	free(rrset);
}

#endif /* !defined (HAVE_GETRRSETBYNAME) && defined (HAVE_LDNS) */

003 File Manager

Editing: getrrsetbyname-ldns.c

Upload File

Create Folder