2 * util/net_help.c - implementation of the network helper code
4 * Copyright (c) 2007, NLnet Labs. All rights reserved.
6 * This software is open source.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
19 * Neither the name of the NLNET LABS nor the names of its contributors may
20 * be used to endorse or promote products derived from this software without
21 * specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 * Implementation of net_help.h.
41 #include "util/net_help.h"
43 #include "util/data/dname.h"
44 #include "util/module.h"
45 #include "util/regional.h"
46 #include "sldns/parseutil.h"
47 #include "sldns/wire2str.h"
49 #ifdef HAVE_OPENSSL_SSL_H
50 #include <openssl/ssl.h>
52 #ifdef HAVE_OPENSSL_ERR_H
53 #include <openssl/err.h>
56 /** max length of an IP address (the address portion) that we allow */
57 #define MAX_ADDR_STRLEN 128 /* characters */
58 /** default value for EDNS ADVERTISED size */
59 uint16_t EDNS_ADVERTISED_SIZE = 4096;
61 /** minimal responses when positive answer: default is no */
62 int MINIMAL_RESPONSES = 0;
64 /** rrset order roundrobin: default is no */
65 int RRSET_ROUNDROBIN = 0;
67 /* returns true is string addr is an ip6 specced address */
69 str_is_ip6(const char* str)
77 fd_set_nonblock(int s)
81 if((flag = fcntl(s, F_GETFL)) == -1) {
82 log_err("can't fcntl F_GETFL: %s", strerror(errno));
86 if(fcntl(s, F_SETFL, flag) == -1) {
87 log_err("can't fcntl F_SETFL: %s", strerror(errno));
90 #elif defined(HAVE_IOCTLSOCKET)
92 if(ioctlsocket(s, FIONBIO, &on) != 0) {
93 log_err("can't ioctlsocket FIONBIO on: %s",
94 wsa_strerror(WSAGetLastError()));
105 if((flag = fcntl(s, F_GETFL)) == -1) {
106 log_err("cannot fcntl F_GETFL: %s", strerror(errno));
110 if(fcntl(s, F_SETFL, flag) == -1) {
111 log_err("cannot fcntl F_SETFL: %s", strerror(errno));
114 #elif defined(HAVE_IOCTLSOCKET)
115 unsigned long off = 0;
116 if(ioctlsocket(s, FIONBIO, &off) != 0) {
117 log_err("can't ioctlsocket FIONBIO off: %s",
118 wsa_strerror(WSAGetLastError()));
127 if(num == 0) return 1;
128 return (num & (num-1)) == 0;
132 memdup(void* data, size_t len)
135 if(!data) return NULL;
136 if(len == 0) return NULL;
139 memcpy(d, data, len);
144 log_addr(enum verbosity_value v, const char* str,
145 struct sockaddr_storage* addr, socklen_t addrlen)
148 const char* family = "unknown";
150 int af = (int)((struct sockaddr_in*)addr)->sin_family;
151 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
155 case AF_INET: family="ip4"; break;
156 case AF_INET6: family="ip6";
157 sinaddr = &((struct sockaddr_in6*)addr)->sin6_addr;
161 (void)inet_ntop(af, sinaddr, dest,
162 (socklen_t)sizeof(dest));
163 verbose(v, "%s local %s", str, dest);
164 return; /* do not continue and try to get port */
167 if(inet_ntop(af, sinaddr, dest, (socklen_t)sizeof(dest)) == 0) {
168 (void)strlcpy(dest, "(inet_ntop error)", sizeof(dest));
170 dest[sizeof(dest)-1] = 0;
171 port = ntohs(((struct sockaddr_in*)addr)->sin_port);
173 verbose(v, "%s %s %s port %d (len %d)", str, family, dest,
174 (int)port, (int)addrlen);
175 else verbose(v, "%s %s port %d", str, dest, (int)port);
179 extstrtoaddr(const char* str, struct sockaddr_storage* addr,
183 int port = UNBOUND_DNS_PORT;
184 if((s=strchr(str, '@'))) {
185 char buf[MAX_ADDR_STRLEN];
186 if(s-str >= MAX_ADDR_STRLEN) {
189 (void)strlcpy(buf, str, sizeof(buf));
192 if(port == 0 && strcmp(s+1,"0")!=0) {
195 return ipstrtoaddr(buf, port, addr, addrlen);
197 return ipstrtoaddr(str, port, addr, addrlen);
202 ipstrtoaddr(const char* ip, int port, struct sockaddr_storage* addr,
209 char buf[MAX_ADDR_STRLEN];
211 struct sockaddr_in6* sa = (struct sockaddr_in6*)addr;
212 *addrlen = (socklen_t)sizeof(struct sockaddr_in6);
213 memset(sa, 0, *addrlen);
214 sa->sin6_family = AF_INET6;
215 sa->sin6_port = (in_port_t)htons(p);
216 if((s=strchr(ip, '%'))) { /* ip6%interface, rfc 4007 */
217 if(s-ip >= MAX_ADDR_STRLEN)
219 (void)strlcpy(buf, ip, sizeof(buf));
221 sa->sin6_scope_id = (uint32_t)atoi(s+1);
224 if(inet_pton((int)sa->sin6_family, ip, &sa->sin6_addr) <= 0) {
228 struct sockaddr_in* sa = (struct sockaddr_in*)addr;
229 *addrlen = (socklen_t)sizeof(struct sockaddr_in);
230 memset(sa, 0, *addrlen);
231 sa->sin_family = AF_INET;
232 sa->sin_port = (in_port_t)htons(p);
233 if(inet_pton((int)sa->sin_family, ip, &sa->sin_addr) <= 0) {
240 int netblockstrtoaddr(const char* str, int port, struct sockaddr_storage* addr,
241 socklen_t* addrlen, int* net)
244 *net = (str_is_ip6(str)?128:32);
245 if((s=strchr(str, '/'))) {
246 if(atoi(s+1) > *net) {
247 log_err("netblock too large: %s", str);
251 if(*net == 0 && strcmp(s+1, "0") != 0) {
252 log_err("cannot parse netblock: '%s'", str);
255 if(!(s = strdup(str))) {
256 log_err("out of memory");
259 *strchr(s, '/') = '\0';
261 if(!ipstrtoaddr(s?s:str, port, addr, addrlen)) {
263 log_err("cannot parse ip address: '%s'", str);
268 addr_mask(addr, *addrlen, *net);
274 log_nametypeclass(enum verbosity_value v, const char* str, uint8_t* name,
275 uint16_t type, uint16_t dclass)
277 char buf[LDNS_MAX_DOMAINLEN+1];
282 dname_str(name, buf);
283 if(type == LDNS_RR_TYPE_TSIG) ts = "TSIG";
284 else if(type == LDNS_RR_TYPE_IXFR) ts = "IXFR";
285 else if(type == LDNS_RR_TYPE_AXFR) ts = "AXFR";
286 else if(type == LDNS_RR_TYPE_MAILB) ts = "MAILB";
287 else if(type == LDNS_RR_TYPE_MAILA) ts = "MAILA";
288 else if(type == LDNS_RR_TYPE_ANY) ts = "ANY";
289 else if(sldns_rr_descript(type) && sldns_rr_descript(type)->_name)
290 ts = sldns_rr_descript(type)->_name;
292 snprintf(t, sizeof(t), "TYPE%d", (int)type);
295 if(sldns_lookup_by_id(sldns_rr_classes, (int)dclass) &&
296 sldns_lookup_by_id(sldns_rr_classes, (int)dclass)->name)
297 cs = sldns_lookup_by_id(sldns_rr_classes, (int)dclass)->name;
299 snprintf(c, sizeof(c), "CLASS%d", (int)dclass);
302 log_info("%s %s %s %s", str, buf, ts, cs);
305 void log_name_addr(enum verbosity_value v, const char* str, uint8_t* zone,
306 struct sockaddr_storage* addr, socklen_t addrlen)
309 const char* family = "unknown_family ";
310 char namebuf[LDNS_MAX_DOMAINLEN+1];
312 int af = (int)((struct sockaddr_in*)addr)->sin_family;
313 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
317 case AF_INET: family=""; break;
318 case AF_INET6: family="";
319 sinaddr = &((struct sockaddr_in6*)addr)->sin6_addr;
321 case AF_LOCAL: family="local "; break;
324 if(inet_ntop(af, sinaddr, dest, (socklen_t)sizeof(dest)) == 0) {
325 (void)strlcpy(dest, "(inet_ntop error)", sizeof(dest));
327 dest[sizeof(dest)-1] = 0;
328 port = ntohs(((struct sockaddr_in*)addr)->sin_port);
329 dname_str(zone, namebuf);
330 if(af != AF_INET && af != AF_INET6)
331 verbose(v, "%s <%s> %s%s#%d (addrlen %d)",
332 str, namebuf, family, dest, (int)port, (int)addrlen);
333 else verbose(v, "%s <%s> %s%s#%d",
334 str, namebuf, family, dest, (int)port);
337 void log_err_addr(const char* str, const char* err,
338 struct sockaddr_storage* addr, socklen_t addrlen)
342 int af = (int)((struct sockaddr_in*)addr)->sin_family;
343 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
345 sinaddr = &((struct sockaddr_in6*)addr)->sin6_addr;
346 if(inet_ntop(af, sinaddr, dest, (socklen_t)sizeof(dest)) == 0) {
347 (void)strlcpy(dest, "(inet_ntop error)", sizeof(dest));
349 dest[sizeof(dest)-1] = 0;
350 port = ntohs(((struct sockaddr_in*)addr)->sin_port);
352 log_err("%s: %s for %s port %d (len %d)", str, err, dest,
353 (int)port, (int)addrlen);
354 else log_err("%s: %s for %s", str, err, dest);
358 sockaddr_cmp(struct sockaddr_storage* addr1, socklen_t len1,
359 struct sockaddr_storage* addr2, socklen_t len2)
361 struct sockaddr_in* p1_in = (struct sockaddr_in*)addr1;
362 struct sockaddr_in* p2_in = (struct sockaddr_in*)addr2;
363 struct sockaddr_in6* p1_in6 = (struct sockaddr_in6*)addr1;
364 struct sockaddr_in6* p2_in6 = (struct sockaddr_in6*)addr2;
369 log_assert(len1 == len2);
370 if( p1_in->sin_family < p2_in->sin_family)
372 if( p1_in->sin_family > p2_in->sin_family)
374 log_assert( p1_in->sin_family == p2_in->sin_family );
376 if( p1_in->sin_family == AF_INET ) {
377 /* just order it, ntohs not required */
378 if(p1_in->sin_port < p2_in->sin_port)
380 if(p1_in->sin_port > p2_in->sin_port)
382 log_assert(p1_in->sin_port == p2_in->sin_port);
383 return memcmp(&p1_in->sin_addr, &p2_in->sin_addr, INET_SIZE);
384 } else if (p1_in6->sin6_family == AF_INET6) {
385 /* just order it, ntohs not required */
386 if(p1_in6->sin6_port < p2_in6->sin6_port)
388 if(p1_in6->sin6_port > p2_in6->sin6_port)
390 log_assert(p1_in6->sin6_port == p2_in6->sin6_port);
391 return memcmp(&p1_in6->sin6_addr, &p2_in6->sin6_addr,
394 /* eek unknown type, perform this comparison for sanity. */
395 return memcmp(addr1, addr2, len1);
400 sockaddr_cmp_addr(struct sockaddr_storage* addr1, socklen_t len1,
401 struct sockaddr_storage* addr2, socklen_t len2)
403 struct sockaddr_in* p1_in = (struct sockaddr_in*)addr1;
404 struct sockaddr_in* p2_in = (struct sockaddr_in*)addr2;
405 struct sockaddr_in6* p1_in6 = (struct sockaddr_in6*)addr1;
406 struct sockaddr_in6* p2_in6 = (struct sockaddr_in6*)addr2;
411 log_assert(len1 == len2);
412 if( p1_in->sin_family < p2_in->sin_family)
414 if( p1_in->sin_family > p2_in->sin_family)
416 log_assert( p1_in->sin_family == p2_in->sin_family );
418 if( p1_in->sin_family == AF_INET ) {
419 return memcmp(&p1_in->sin_addr, &p2_in->sin_addr, INET_SIZE);
420 } else if (p1_in6->sin6_family == AF_INET6) {
421 return memcmp(&p1_in6->sin6_addr, &p2_in6->sin6_addr,
424 /* eek unknown type, perform this comparison for sanity. */
425 return memcmp(addr1, addr2, len1);
430 addr_is_ip6(struct sockaddr_storage* addr, socklen_t len)
432 if(len == (socklen_t)sizeof(struct sockaddr_in6) &&
433 ((struct sockaddr_in6*)addr)->sin6_family == AF_INET6)
439 addr_mask(struct sockaddr_storage* addr, socklen_t len, int net)
441 uint8_t mask[8] = {0x0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe};
444 if(addr_is_ip6(addr, len)) {
445 s = (uint8_t*)&((struct sockaddr_in6*)addr)->sin6_addr;
448 s = (uint8_t*)&((struct sockaddr_in*)addr)->sin_addr;
453 for(i=net/8+1; i<max/8; i++) {
456 s[net/8] &= mask[net&0x7];
460 addr_in_common(struct sockaddr_storage* addr1, int net1,
461 struct sockaddr_storage* addr2, int net2, socklen_t addrlen)
463 int min = (net1<net2)?net1:net2;
467 if(addr_is_ip6(addr1, addrlen)) {
468 s1 = (uint8_t*)&((struct sockaddr_in6*)addr1)->sin6_addr;
469 s2 = (uint8_t*)&((struct sockaddr_in6*)addr2)->sin6_addr;
472 s1 = (uint8_t*)&((struct sockaddr_in*)addr1)->sin_addr;
473 s2 = (uint8_t*)&((struct sockaddr_in*)addr2)->sin_addr;
476 /* match = bits_in_common(s1, s2, to); */
477 for(i=0; i<to; i++) {
481 uint8_t z = s1[i]^s2[i];
490 if(match > min) match = min;
495 addr_to_str(struct sockaddr_storage* addr, socklen_t addrlen,
496 char* buf, size_t len)
498 int af = (int)((struct sockaddr_in*)addr)->sin_family;
499 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
500 if(addr_is_ip6(addr, addrlen))
501 sinaddr = &((struct sockaddr_in6*)addr)->sin6_addr;
502 if(inet_ntop(af, sinaddr, buf, (socklen_t)len) == 0) {
503 snprintf(buf, len, "(inet_ntop_error)");
508 addr_is_ip4mapped(struct sockaddr_storage* addr, socklen_t addrlen)
510 /* prefix for ipv4 into ipv6 mapping is ::ffff:x.x.x.x */
511 const uint8_t map_prefix[16] =
512 {0,0,0,0, 0,0,0,0, 0,0,0xff,0xff, 0,0,0,0};
514 if(!addr_is_ip6(addr, addrlen))
516 /* s is 16 octet ipv6 address string */
517 s = (uint8_t*)&((struct sockaddr_in6*)addr)->sin6_addr;
518 return (memcmp(s, map_prefix, 12) == 0);
521 int addr_is_broadcast(struct sockaddr_storage* addr, socklen_t addrlen)
523 int af = (int)((struct sockaddr_in*)addr)->sin_family;
524 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
525 return af == AF_INET && addrlen>=(socklen_t)sizeof(struct sockaddr_in)
526 && memcmp(sinaddr, "\377\377\377\377", 4) == 0;
529 int addr_is_any(struct sockaddr_storage* addr, socklen_t addrlen)
531 int af = (int)((struct sockaddr_in*)addr)->sin_family;
532 void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
533 void* sin6addr = &((struct sockaddr_in6*)addr)->sin6_addr;
534 if(af == AF_INET && addrlen>=(socklen_t)sizeof(struct sockaddr_in)
535 && memcmp(sinaddr, "\000\000\000\000", 4) == 0)
537 else if(af==AF_INET6 && addrlen>=(socklen_t)sizeof(struct sockaddr_in6)
538 && memcmp(sin6addr, "\000\000\000\000\000\000\000\000"
539 "\000\000\000\000\000\000\000\000", 16) == 0)
544 void sock_list_insert(struct sock_list** list, struct sockaddr_storage* addr,
545 socklen_t len, struct regional* region)
547 struct sock_list* add = (struct sock_list*)regional_alloc(region,
548 sizeof(*add) - sizeof(add->addr) + (size_t)len);
550 log_err("out of memory in socketlist insert");
557 if(len) memmove(&add->addr, addr, len);
560 void sock_list_prepend(struct sock_list** list, struct sock_list* add)
562 struct sock_list* last = add;
571 int sock_list_find(struct sock_list* list, struct sockaddr_storage* addr,
575 if(len == list->len) {
576 if(len == 0 || sockaddr_cmp_addr(addr, len,
577 &list->addr, list->len) == 0)
585 void sock_list_merge(struct sock_list** list, struct regional* region,
586 struct sock_list* add)
589 for(p=add; p; p=p->next) {
590 if(!sock_list_find(*list, &p->addr, p->len))
591 sock_list_insert(list, &p->addr, p->len, region);
596 log_crypto_err(const char* str)
599 /* error:[error code]:[library name]:[function name]:[reason string] */
602 ERR_error_string_n(ERR_get_error(), buf, sizeof(buf));
603 log_err("%s crypto %s", str, buf);
604 while( (e=ERR_get_error()) ) {
605 ERR_error_string_n(e, buf, sizeof(buf));
606 log_err("and additionally crypto %s", buf);
610 #endif /* HAVE_SSL */
613 void* listen_sslctx_create(char* key, char* pem, char* verifypem)
616 SSL_CTX* ctx = SSL_CTX_new(SSLv23_server_method());
618 log_crypto_err("could not SSL_CTX_new");
621 /* no SSLv2, SSLv3 because has defects */
622 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
624 log_crypto_err("could not set SSL_OP_NO_SSLv2");
628 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
630 log_crypto_err("could not set SSL_OP_NO_SSLv3");
634 if(!SSL_CTX_use_certificate_chain_file(ctx, pem)) {
635 log_err("error for cert file: %s", pem);
636 log_crypto_err("error in SSL_CTX use_certificate_chain_file");
640 if(!SSL_CTX_use_PrivateKey_file(ctx, key, SSL_FILETYPE_PEM)) {
641 log_err("error for private key file: %s", key);
642 log_crypto_err("Error in SSL_CTX use_PrivateKey_file");
646 if(!SSL_CTX_check_private_key(ctx)) {
647 log_err("error for key file: %s", key);
648 log_crypto_err("Error in SSL_CTX check_private_key");
652 #if HAVE_DECL_SSL_CTX_SET_ECDH_AUTO
653 if(!SSL_CTX_set_ecdh_auto(ctx,1)) {
654 log_crypto_err("Error in SSL_CTX_ecdh_auto, not enabling ECDHE");
656 #elif defined(USE_ECDSA)
658 EC_KEY *ecdh = EC_KEY_new_by_curve_name (NID_X9_62_prime256v1);
660 log_crypto_err("could not find p256, not enabling ECDHE");
662 if (1 != SSL_CTX_set_tmp_ecdh (ctx, ecdh)) {
663 log_crypto_err("Error in SSL_CTX_set_tmp_ecdh, not enabling ECDHE");
670 if(verifypem && verifypem[0]) {
671 if(!SSL_CTX_load_verify_locations(ctx, verifypem, NULL)) {
672 log_crypto_err("Error in SSL_CTX verify locations");
676 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(
678 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
682 (void)key; (void)pem; (void)verifypem;
687 void* connect_sslctx_create(char* key, char* pem, char* verifypem)
690 SSL_CTX* ctx = SSL_CTX_new(SSLv23_client_method());
692 log_crypto_err("could not allocate SSL_CTX pointer");
695 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
696 != SSL_OP_NO_SSLv2) {
697 log_crypto_err("could not set SSL_OP_NO_SSLv2");
701 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
702 != SSL_OP_NO_SSLv3) {
703 log_crypto_err("could not set SSL_OP_NO_SSLv3");
708 if(!SSL_CTX_use_certificate_chain_file(ctx, pem)) {
709 log_err("error in client certificate %s", pem);
710 log_crypto_err("error in certificate file");
714 if(!SSL_CTX_use_PrivateKey_file(ctx, key, SSL_FILETYPE_PEM)) {
715 log_err("error in client private key %s", key);
716 log_crypto_err("error in key file");
720 if(!SSL_CTX_check_private_key(ctx)) {
721 log_err("error in client key %s", key);
722 log_crypto_err("error in SSL_CTX_check_private_key");
727 if(verifypem && verifypem[0]) {
728 if(!SSL_CTX_load_verify_locations(ctx, verifypem, NULL)) {
729 log_crypto_err("error in SSL_CTX verify");
733 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
737 (void)key; (void)pem; (void)verifypem;
742 void* incoming_ssl_fd(void* sslctx, int fd)
745 SSL* ssl = SSL_new((SSL_CTX*)sslctx);
747 log_crypto_err("could not SSL_new");
750 SSL_set_accept_state(ssl);
751 (void)SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
752 if(!SSL_set_fd(ssl, fd)) {
753 log_crypto_err("could not SSL_set_fd");
759 (void)sslctx; (void)fd;
764 void* outgoing_ssl_fd(void* sslctx, int fd)
767 SSL* ssl = SSL_new((SSL_CTX*)sslctx);
769 log_crypto_err("could not SSL_new");
772 SSL_set_connect_state(ssl);
773 (void)SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
774 if(!SSL_set_fd(ssl, fd)) {
775 log_crypto_err("could not SSL_set_fd");
781 (void)sslctx; (void)fd;
786 #if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) && defined(CRYPTO_LOCK) && OPENSSL_VERSION_NUMBER < 0x10100000L
787 /** global lock list for openssl locks */
788 static lock_basic_t *ub_openssl_locks = NULL;
790 /** callback that gets thread id for openssl */
792 ub_crypto_id_cb(void)
794 return (unsigned long)log_thread_get();
798 ub_crypto_lock_cb(int mode, int type, const char *ATTR_UNUSED(file),
799 int ATTR_UNUSED(line))
801 if((mode&CRYPTO_LOCK)) {
802 lock_basic_lock(&ub_openssl_locks[type]);
804 lock_basic_unlock(&ub_openssl_locks[type]);
807 #endif /* OPENSSL_THREADS */
809 int ub_openssl_lock_init(void)
811 #if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) && defined(CRYPTO_LOCK) && OPENSSL_VERSION_NUMBER < 0x10100000L
813 ub_openssl_locks = (lock_basic_t*)reallocarray(
814 NULL, (size_t)CRYPTO_num_locks(), sizeof(lock_basic_t));
815 if(!ub_openssl_locks)
817 for(i=0; i<CRYPTO_num_locks(); i++) {
818 lock_basic_init(&ub_openssl_locks[i]);
820 CRYPTO_set_id_callback(&ub_crypto_id_cb);
821 CRYPTO_set_locking_callback(&ub_crypto_lock_cb);
822 #endif /* OPENSSL_THREADS */
826 void ub_openssl_lock_delete(void)
828 #if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) && defined(CRYPTO_LOCK) && OPENSSL_VERSION_NUMBER < 0x10100000L
830 if(!ub_openssl_locks)
832 CRYPTO_set_id_callback(NULL);
833 CRYPTO_set_locking_callback(NULL);
834 for(i=0; i<CRYPTO_num_locks(); i++) {
835 lock_basic_destroy(&ub_openssl_locks[i]);
837 free(ub_openssl_locks);
838 #endif /* OPENSSL_THREADS */