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-rw-r--r--dtls.c715
1 files changed, 0 insertions, 715 deletions
diff --git a/dtls.c b/dtls.c
deleted file mode 100644
index d99c55d..0000000
--- a/dtls.c
+++ /dev/null
@@ -1,715 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Stig Venaas <venaas@uninett.no>
- *
- * 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.
- */
-
-#include <signal.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <unistd.h>
-#include <limits.h>
-#ifdef SYS_SOLARIS9
-#include <fcntl.h>
-#endif
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/select.h>
-#include <ctype.h>
-#include <sys/wait.h>
-#include <arpa/inet.h>
-#include <regex.h>
-#include <pthread.h>
-#include <openssl/ssl.h>
-#include <openssl/err.h>
-#include "list.h"
-#include "hash.h"
-#include "radsecproxy.h"
-
-#ifdef RADPROT_DTLS
-#include "debug.h"
-#include "util.h"
-#include "hostport.h"
-
-static void setprotoopts(struct commonprotoopts *opts);
-static char **getlistenerargs();
-void *udpdtlsserverrd(void *arg);
-int dtlsconnect(struct server *server, struct timeval *when, int timeout, char *text);
-void *dtlsclientrd(void *arg);
-int clientradputdtls(struct server *server, unsigned char *rad);
-void addserverextradtls(struct clsrvconf *conf);
-void dtlssetsrcres();
-void initextradtls();
-
-static const struct protodefs protodefs = {
- "dtls",
- "mysecret", /* secretdefault */
- SOCK_DGRAM, /* socktype */
- "2083", /* portdefault */
- REQUEST_RETRY_COUNT, /* retrycountdefault */
- 10, /* retrycountmax */
- REQUEST_RETRY_INTERVAL, /* retryintervaldefault */
- 60, /* retryintervalmax */
- DUPLICATE_INTERVAL, /* duplicateintervaldefault */
- setprotoopts, /* setprotoopts */
- getlistenerargs, /* getlistenerargs */
- udpdtlsserverrd, /* listener */
- dtlsconnect, /* connecter */
- dtlsclientrd, /* clientconnreader */
- clientradputdtls, /* clientradput */
- NULL, /* addclient */
- addserverextradtls, /* addserverextra */
- dtlssetsrcres, /* setsrcres */
- initextradtls /* initextra */
-};
-
-static int client4_sock = -1;
-static int client6_sock = -1;
-static struct addrinfo *srcres = NULL;
-static uint8_t handle;
-static struct commonprotoopts *protoopts = NULL;
-
-const struct protodefs *dtlsinit(uint8_t h) {
- handle = h;
- return &protodefs;
-}
-
-static void setprotoopts(struct commonprotoopts *opts) {
- protoopts = opts;
-}
-
-static char **getlistenerargs() {
- return protoopts ? protoopts->listenargs : NULL;
-}
-
-struct sessioncacheentry {
- pthread_mutex_t mutex;
- struct gqueue *rbios;
- struct timeval expiry;
-};
-
-struct dtlsservernewparams {
- struct sessioncacheentry *sesscache;
- int sock;
- struct sockaddr_storage addr;
-};
-
-void dtlssetsrcres() {
- if (!srcres)
- srcres = resolvepassiveaddrinfo(protoopts ? protoopts->sourcearg : NULL, NULL, protodefs.socktype);
-}
-
-int udp2bio(int s, struct gqueue *q, int cnt) {
- unsigned char *buf;
- BIO *rbio;
-
- if (cnt < 1)
- return 0;
-
- buf = malloc(cnt);
- if (!buf) {
- unsigned char err;
- debug(DBG_ERR, "udp2bio: malloc failed");
- recv(s, &err, 1, 0);
- return 0;
- }
-
- cnt = recv(s, buf, cnt, 0);
- if (cnt < 1) {
- debug(DBG_WARN, "udp2bio: recv failed");
- free(buf);
- return 0;
- }
-
- rbio = BIO_new_mem_buf(buf, cnt);
- BIO_set_mem_eof_return(rbio, -1);
-
- pthread_mutex_lock(&q->mutex);
- if (!list_push(q->entries, rbio)) {
- BIO_free(rbio);
- pthread_mutex_unlock(&q->mutex);
- return 0;
- }
- pthread_cond_signal(&q->cond);
- pthread_mutex_unlock(&q->mutex);
- return 1;
-}
-
-BIO *getrbio(SSL *ssl, struct gqueue *q, int timeout) {
- BIO *rbio;
- struct timeval now;
- struct timespec to;
-
- pthread_mutex_lock(&q->mutex);
- if (!(rbio = (BIO *)list_shift(q->entries))) {
- if (timeout) {
- gettimeofday(&now, NULL);
- memset(&to, 0, sizeof(struct timespec));
- to.tv_sec = now.tv_sec + timeout;
- pthread_cond_timedwait(&q->cond, &q->mutex, &to);
- } else
- pthread_cond_wait(&q->cond, &q->mutex);
- rbio = (BIO *)list_shift(q->entries);
- }
- pthread_mutex_unlock(&q->mutex);
- return rbio;
-}
-
-int dtlsread(SSL *ssl, struct gqueue *q, unsigned char *buf, int num, int timeout) {
- int len, cnt;
- BIO *rbio;
-
- for (len = 0; len < num; len += cnt) {
- cnt = SSL_read(ssl, buf + len, num - len);
- if (cnt <= 0)
- switch (cnt = SSL_get_error(ssl, cnt)) {
- case SSL_ERROR_WANT_READ:
- rbio = getrbio(ssl, q, timeout);
- if (!rbio)
- return 0;
- BIO_free(ssl->rbio);
- ssl->rbio = rbio;
- cnt = 0;
- continue;
- case SSL_ERROR_WANT_WRITE:
- cnt = 0;
- continue;
- case SSL_ERROR_ZERO_RETURN:
- /* remote end sent close_notify, send one back */
- SSL_shutdown(ssl);
- return -1;
- default:
- return -1;
- }
- }
- return num;
-}
-
-/* accept if acc == 1, else connect */
-SSL *dtlsacccon(uint8_t acc, SSL_CTX *ctx, int s, struct sockaddr *addr, struct gqueue *rbios) {
- SSL *ssl;
- int i, res;
- unsigned long error;
- BIO *mem0bio, *wbio;
-
- ssl = SSL_new(ctx);
- if (!ssl)
- return NULL;
-
- mem0bio = BIO_new(BIO_s_mem());
- BIO_set_mem_eof_return(mem0bio, -1);
- wbio = BIO_new_dgram(s, BIO_NOCLOSE);
- i = BIO_dgram_set_peer(wbio, addr); /* i just to avoid warning */
- SSL_set_bio(ssl, mem0bio, wbio);
-
- for (i = 0; i < 5; i++) {
- res = acc ? SSL_accept(ssl) : SSL_connect(ssl);
- if (res > 0)
- return ssl;
- if (res == 0)
- break;
- if (SSL_get_error(ssl, res) == SSL_ERROR_WANT_READ) {
- BIO_free(ssl->rbio);
- ssl->rbio = getrbio(ssl, rbios, 5);
- if (!ssl->rbio)
- break;
- }
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "dtls%st: DTLS: %s", acc ? "accep" : "connec", ERR_error_string(error, NULL));
- }
-
- SSL_free(ssl);
- return NULL;
-}
-
-unsigned char *raddtlsget(SSL *ssl, struct gqueue *rbios, int timeout) {
- int cnt, len;
- unsigned char buf[4], *rad;
-
- for (;;) {
- cnt = dtlsread(ssl, rbios, buf, 4, timeout);
- if (cnt < 1) {
- debug(DBG_DBG, cnt ? "raddtlsget: connection lost" : "raddtlsget: timeout");
- return NULL;
- }
-
- len = RADLEN(buf);
- rad = malloc(len);
- if (!rad) {
- debug(DBG_ERR, "raddtlsget: malloc failed");
- continue;
- }
- memcpy(rad, buf, 4);
-
- cnt = dtlsread(ssl, rbios, rad + 4, len - 4, timeout);
- if (cnt < 1) {
- debug(DBG_DBG, cnt ? "raddtlsget: connection lost" : "raddtlsget: timeout");
- free(rad);
- return NULL;
- }
-
- if (len >= 20)
- break;
-
- free(rad);
- debug(DBG_WARN, "raddtlsget: packet smaller than minimum radius size");
- }
-
- debug(DBG_DBG, "raddtlsget: got %d bytes", len);
- return rad;
-}
-
-void *dtlsserverwr(void *arg) {
- int cnt;
- unsigned long error;
- struct client *client = (struct client *)arg;
- struct gqueue *replyq;
- struct request *reply;
-
- debug(DBG_DBG, "dtlsserverwr: starting for %s", addr2string(client->addr));
- replyq = client->replyq;
- for (;;) {
- pthread_mutex_lock(&replyq->mutex);
- while (!list_first(replyq->entries)) {
- if (client->ssl) {
- debug(DBG_DBG, "dtlsserverwr: waiting for signal");
- pthread_cond_wait(&replyq->cond, &replyq->mutex);
- debug(DBG_DBG, "dtlsserverwr: got signal");
- }
- if (!client->ssl) {
- /* ssl might have changed while waiting */
- pthread_mutex_unlock(&replyq->mutex);
- debug(DBG_DBG, "dtlsserverwr: exiting as requested");
- ERR_remove_state(0);
- pthread_exit(NULL);
- }
- }
- reply = (struct request *)list_shift(replyq->entries);
- pthread_mutex_unlock(&replyq->mutex);
- cnt = SSL_write(client->ssl, reply->replybuf, RADLEN(reply->replybuf));
- if (cnt > 0)
- debug(DBG_DBG, "dtlsserverwr: sent %d bytes, Radius packet of length %d to %s",
- cnt, RADLEN(reply->replybuf), addr2string(client->addr));
- else
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "dtlsserverwr: SSL: %s", ERR_error_string(error, NULL));
- freerq(reply);
- }
-}
-
-void dtlsserverrd(struct client *client) {
- struct request *rq;
- uint8_t *buf;
- pthread_t dtlsserverwrth;
-
- debug(DBG_DBG, "dtlsserverrd: starting for %s", addr2string(client->addr));
-
- if (pthread_create(&dtlsserverwrth, NULL, dtlsserverwr, (void *)client)) {
- debug(DBG_ERR, "dtlsserverrd: pthread_create failed");
- return;
- }
-
- for (;;) {
- buf = raddtlsget(client->ssl, client->rbios, IDLE_TIMEOUT);
- if (!buf) {
- debug(DBG_ERR, "dtlsserverrd: connection from %s lost", addr2string(client->addr));
- break;
- }
- debug(DBG_DBG, "dtlsserverrd: got Radius message from %s", addr2string(client->addr));
- rq = newrequest();
- if (!rq) {
- free(buf);
- continue;
- }
- rq->buf = buf;
- rq->from = client;
- if (!radsrv(rq)) {
- debug(DBG_ERR, "dtlsserverrd: message authentication/validation failed, closing connection from %s", addr2string(client->addr));
- break;
- }
- }
-
- /* stop writer by setting ssl to NULL and give signal in case waiting for data */
- client->ssl = NULL;
-
- pthread_mutex_lock(&client->replyq->mutex);
- pthread_cond_signal(&client->replyq->cond);
- pthread_mutex_unlock(&client->replyq->mutex);
- debug(DBG_DBG, "dtlsserverrd: waiting for writer to end");
- pthread_join(dtlsserverwrth, NULL);
- debug(DBG_DBG, "dtlsserverrd: reader for %s exiting", addr2string(client->addr));
-}
-
-void *dtlsservernew(void *arg) {
- struct dtlsservernewparams *params = (struct dtlsservernewparams *)arg;
- struct client *client;
- struct clsrvconf *conf;
- struct list_node *cur = NULL;
- SSL *ssl = NULL;
- X509 *cert = NULL;
- SSL_CTX *ctx = NULL;
- uint8_t delay = 60;
-
- debug(DBG_DBG, "dtlsservernew: starting");
- conf = find_clconf(handle, (struct sockaddr *)&params->addr, NULL);
- if (conf) {
- ctx = tlsgetctx(handle, conf->tlsconf);
- if (!ctx)
- goto exit;
- ssl = dtlsacccon(1, ctx, params->sock, (struct sockaddr *)&params->addr, params->sesscache->rbios);
- if (!ssl)
- goto exit;
- cert = verifytlscert(ssl);
- if (!cert)
- goto exit;
- }
-
- while (conf) {
- if (verifyconfcert(cert, conf)) {
- X509_free(cert);
- client = addclient(conf, 1);
- if (client) {
- client->sock = params->sock;
- client->addr = addr_copy((struct sockaddr *)&params->addr);
- client->rbios = params->sesscache->rbios;
- client->ssl = ssl;
- dtlsserverrd(client);
- removeclient(client);
- delay = 0;
- } else {
- debug(DBG_WARN, "dtlsservernew: failed to create new client instance");
- }
- goto exit;
- }
- conf = find_clconf(handle, (struct sockaddr *)&params->addr, &cur);
- }
- debug(DBG_WARN, "dtlsservernew: ignoring request, no matching TLS client");
-
- if (cert)
- X509_free(cert);
-
-exit:
- if (ssl) {
- SSL_shutdown(ssl);
- SSL_free(ssl);
- }
- pthread_mutex_lock(&params->sesscache->mutex);
- freebios(params->sesscache->rbios);
- params->sesscache->rbios = NULL;
- gettimeofday(&params->sesscache->expiry, NULL);
- params->sesscache->expiry.tv_sec += delay;
- pthread_mutex_unlock(&params->sesscache->mutex);
- free(params);
- ERR_remove_state(0);
- pthread_exit(NULL);
- debug(DBG_DBG, "dtlsservernew: exiting");
-}
-
-void cacheexpire(struct hash *cache, struct timeval *last) {
- struct timeval now;
- struct hash_entry *he;
- struct sessioncacheentry *e;
-
- gettimeofday(&now, NULL);
- if (now.tv_sec - last->tv_sec < 19)
- return;
-
- for (he = hash_first(cache); he; he = hash_next(he)) {
- e = (struct sessioncacheentry *)he->data;
- pthread_mutex_lock(&e->mutex);
- if (!e->expiry.tv_sec || e->expiry.tv_sec > now.tv_sec) {
- pthread_mutex_unlock(&e->mutex);
- continue;
- }
- debug(DBG_DBG, "cacheexpire: freeing entry");
- hash_extract(cache, he->key, he->keylen);
- if (e->rbios) {
- freebios(e->rbios);
- e->rbios = NULL;
- }
- pthread_mutex_unlock(&e->mutex);
- pthread_mutex_destroy(&e->mutex);
- }
- last->tv_sec = now.tv_sec;
-}
-
-void *udpdtlsserverrd(void *arg) {
- int ndesc, cnt, s = *(int *)arg;
- unsigned char buf[4];
- struct sockaddr_storage from;
- socklen_t fromlen = sizeof(from);
- struct dtlsservernewparams *params;
- fd_set readfds;
- struct timeval timeout, lastexpiry;
- pthread_t dtlsserverth;
- struct hash *sessioncache;
- struct sessioncacheentry *cacheentry;
-
- sessioncache = hash_create();
- if (!sessioncache)
- debugx(1, DBG_ERR, "udpdtlsserverrd: malloc failed");
- gettimeofday(&lastexpiry, NULL);
-
- for (;;) {
- FD_ZERO(&readfds);
- FD_SET(s, &readfds);
- memset(&timeout, 0, sizeof(struct timeval));
- timeout.tv_sec = 60;
- ndesc = select(s + 1, &readfds, NULL, NULL, &timeout);
- if (ndesc < 1) {
- cacheexpire(sessioncache, &lastexpiry);
- continue;
- }
- cnt = recvfrom(s, buf, 4, MSG_PEEK | MSG_TRUNC, (struct sockaddr *)&from, &fromlen);
- if (cnt == -1) {
- debug(DBG_WARN, "udpdtlsserverrd: recv failed");
- cacheexpire(sessioncache, &lastexpiry);
- continue;
- }
- cacheentry = hash_read(sessioncache, &from, fromlen);
- if (cacheentry) {
- debug(DBG_DBG, "udpdtlsserverrd: cache hit");
- pthread_mutex_lock(&cacheentry->mutex);
- if (cacheentry->rbios) {
- if (udp2bio(s, cacheentry->rbios, cnt))
- debug(DBG_DBG, "udpdtlsserverrd: got DTLS in UDP from %s", addr2string((struct sockaddr *)&from));
- } else
- recv(s, buf, 1, 0);
- pthread_mutex_unlock(&cacheentry->mutex);
- cacheexpire(sessioncache, &lastexpiry);
- continue;
- }
-
- /* from new source */
- debug(DBG_DBG, "udpdtlsserverrd: cache miss");
- params = malloc(sizeof(struct dtlsservernewparams));
- if (!params) {
- cacheexpire(sessioncache, &lastexpiry);
- recv(s, buf, 1, 0);
- continue;
- }
- memset(params, 0, sizeof(struct dtlsservernewparams));
- params->sesscache = malloc(sizeof(struct sessioncacheentry));
- if (!params->sesscache) {
- free(params);
- cacheexpire(sessioncache, &lastexpiry);
- recv(s, buf, 1, 0);
- continue;
- }
- memset(params->sesscache, 0, sizeof(struct sessioncacheentry));
- pthread_mutex_init(&params->sesscache->mutex, NULL);
- params->sesscache->rbios = newqueue();
- if (hash_insert(sessioncache, &from, fromlen, params->sesscache)) {
- params->sock = s;
- memcpy(&params->addr, &from, fromlen);
-
- if (udp2bio(s, params->sesscache->rbios, cnt)) {
- debug(DBG_DBG, "udpdtlsserverrd: got DTLS in UDP from %s", addr2string((struct sockaddr *)&from));
- if (!pthread_create(&dtlsserverth, NULL, dtlsservernew, (void *)params)) {
- pthread_detach(dtlsserverth);
- cacheexpire(sessioncache, &lastexpiry);
- continue;
- }
- debug(DBG_ERR, "udpdtlsserverrd: pthread_create failed");
- }
- hash_extract(sessioncache, &from, fromlen);
- }
- freebios(params->sesscache->rbios);
- pthread_mutex_destroy(&params->sesscache->mutex);
- free(params->sesscache);
- free(params);
- cacheexpire(sessioncache, &lastexpiry);
- }
-}
-
-int dtlsconnect(struct server *server, struct timeval *when, int timeout, char *text) {
- struct timeval now;
- time_t elapsed;
- X509 *cert;
- SSL_CTX *ctx = NULL;
- struct hostportres *hp;
-
- debug(DBG_DBG, "dtlsconnect: called from %s", text);
- pthread_mutex_lock(&server->lock);
- if (when && memcmp(&server->lastconnecttry, when, sizeof(struct timeval))) {
- /* already reconnected, nothing to do */
- debug(DBG_DBG, "dtlsconnect(%s): seems already reconnected", text);
- pthread_mutex_unlock(&server->lock);
- return 1;
- }
-
- hp = (struct hostportres *)list_first(server->conf->hostports)->data;
- for (;;) {
- gettimeofday(&now, NULL);
- elapsed = now.tv_sec - server->lastconnecttry.tv_sec;
-
- if (timeout && server->lastconnecttry.tv_sec && elapsed > timeout) {
- debug(DBG_DBG, "dtlsconnect: timeout");
- SSL_free(server->ssl);
- server->ssl = NULL;
- pthread_mutex_unlock(&server->lock);
- return 0;
- }
-
- if (server->connectionok) {
- server->connectionok = 0;
- sleep(2);
- } else if (elapsed < 1)
- sleep(2);
- else if (elapsed < 60) {
- debug(DBG_INFO, "dtlsconnect: sleeping %lds", elapsed);
- sleep(elapsed);
- } else if (elapsed < 100000) {
- debug(DBG_INFO, "dtlsconnect: sleeping %ds", 60);
- sleep(60);
- } else
- server->lastconnecttry.tv_sec = now.tv_sec; /* no sleep at startup */
- debug(DBG_WARN, "dtlsconnect: trying to open DTLS connection to %s port %s", hp->host, hp->port);
-
- SSL_free(server->ssl);
- server->ssl = NULL;
- ctx = tlsgetctx(handle, server->conf->tlsconf);
- if (!ctx)
- continue;
- server->ssl = dtlsacccon(0, ctx, server->sock, hp->addrinfo->ai_addr, server->rbios);
- if (!server->ssl)
- continue;
- debug(DBG_DBG, "dtlsconnect: DTLS: ok");
-
- cert = verifytlscert(server->ssl);
- if (!cert)
- continue;
-
- if (verifyconfcert(cert, server->conf))
- break;
- X509_free(cert);
- }
- X509_free(cert);
- debug(DBG_WARN, "dtlsconnect: DTLS connection to %s port %s up", hp->host, hp->port);
- server->connectionok = 1;
- gettimeofday(&server->lastconnecttry, NULL);
- pthread_mutex_unlock(&server->lock);
- return 1;
-}
-
-int clientradputdtls(struct server *server, unsigned char *rad) {
- int cnt;
- size_t len;
- unsigned long error;
- struct clsrvconf *conf = server->conf;
-
- if (!server->connectionok)
- return 0;
- len = RADLEN(rad);
- if ((cnt = SSL_write(server->ssl, rad, len)) <= 0) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "clientradputdtls: DTLS: %s", ERR_error_string(error, NULL));
- return 0;
- }
- debug(DBG_DBG, "clientradputdtls: Sent %d bytes, Radius packet of length %d to DTLS peer %s", cnt, len, conf->name);
- return 1;
-}
-
-/* reads UDP containing DTLS and passes it on to dtlsclientrd */
-void *udpdtlsclientrd(void *arg) {
- int cnt, s = *(int *)arg;
- unsigned char buf[4];
- struct sockaddr_storage from;
- socklen_t fromlen = sizeof(from);
- struct clsrvconf *conf;
- fd_set readfds;
-
- for (;;) {
- FD_ZERO(&readfds);
- FD_SET(s, &readfds);
- if (select(s + 1, &readfds, NULL, NULL, NULL) < 1)
- continue;
- cnt = recvfrom(s, buf, 4, MSG_PEEK | MSG_TRUNC, (struct sockaddr *)&from, &fromlen);
- if (cnt == -1) {
- debug(DBG_WARN, "udpdtlsclientrd: recv failed");
- continue;
- }
-
- conf = find_srvconf(handle, (struct sockaddr *)&from, NULL);
- if (!conf) {
- debug(DBG_WARN, "udpdtlsclientrd: got packet from wrong or unknown DTLS peer %s, ignoring", addr2string((struct sockaddr *)&from));
- recv(s, buf, 4, 0);
- continue;
- }
- if (udp2bio(s, conf->servers->rbios, cnt))
- debug(DBG_DBG, "radudpget: got DTLS in UDP from %s", addr2string((struct sockaddr *)&from));
- }
-}
-
-void *dtlsclientrd(void *arg) {
- struct server *server = (struct server *)arg;
- unsigned char *buf;
- struct timeval lastconnecttry;
- int secs;
-
- for (;;) {
- /* yes, lastconnecttry is really necessary */
- lastconnecttry = server->lastconnecttry;
- for (secs = 0; !(buf = raddtlsget(server->ssl, server->rbios, 10)) && !server->lostrqs && secs < IDLE_TIMEOUT; secs += 10);
- if (!buf) {
- dtlsconnect(server, &lastconnecttry, 0, "dtlsclientrd");
- continue;
- }
- replyh(server, buf);
- }
- ERR_remove_state(0);
- server->clientrdgone = 1;
- return NULL;
-}
-
-void addserverextradtls(struct clsrvconf *conf) {
- switch (((struct hostportres *)list_first(conf->hostports)->data)->addrinfo->ai_family) {
- case AF_INET:
- if (client4_sock < 0) {
- client4_sock = bindtoaddr(srcres, AF_INET, 0, 1);
- if (client4_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->name);
- }
- conf->servers->sock = client4_sock;
- break;
- case AF_INET6:
- if (client6_sock < 0) {
- client6_sock = bindtoaddr(srcres, AF_INET6, 0, 1);
- if (client6_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->name);
- }
- conf->servers->sock = client6_sock;
- break;
- default:
- debugx(1, DBG_ERR, "addserver: unsupported address family");
- }
-}
-
-void initextradtls() {
- pthread_t cl4th, cl6th;
-
- if (srcres) {
- freeaddrinfo(srcres);
- srcres = NULL;
- }
-
- if (client4_sock >= 0)
- if (pthread_create(&cl4th, NULL, udpdtlsclientrd, (void *)&client4_sock))
- debugx(1, DBG_ERR, "pthread_create failed");
- if (client6_sock >= 0)
- if (pthread_create(&cl6th, NULL, udpdtlsclientrd, (void *)&client6_sock))
- debugx(1, DBG_ERR, "pthread_create failed");
-}
-#else
-const struct protodefs *dtlsinit(uint8_t h) {
- return NULL;
-}
-#endif
-
-/* Local Variables: */
-/* c-file-style: "stroustrup" */
-/* End: */