#include "tcp.h"
#include "tls.h"
#include "dtls.h"
+#include "tlscommon.h"
static struct options options;
static struct list *clconfs, *srvconfs;
-struct list *realms;
-struct hash *tlsconfs, *rewriteconfs;
+static struct list *realms;
+static struct hash *rewriteconfs;
static pthread_mutex_t *ssl_locks = NULL;
static long *ssl_lock_count;
pthread_mutex_unlock(&ssl_locks[type]);
}
-static int pem_passwd_cb(char *buf, int size, int rwflag, void *userdata) {
- int pwdlen = strlen(userdata);
- if (rwflag != 0 || pwdlen > size) /* not for decryption or too large */
- return 0;
- memcpy(buf, userdata, pwdlen);
- return pwdlen;
-}
-
-static int verify_cb(int ok, X509_STORE_CTX *ctx) {
- char *buf = NULL;
- X509 *err_cert;
- int err, depth;
-
- err_cert = X509_STORE_CTX_get_current_cert(ctx);
- err = X509_STORE_CTX_get_error(ctx);
- depth = X509_STORE_CTX_get_error_depth(ctx);
-
- if (depth > MAX_CERT_DEPTH) {
- ok = 0;
- err = X509_V_ERR_CERT_CHAIN_TOO_LONG;
- X509_STORE_CTX_set_error(ctx, err);
- }
-
- if (!ok) {
- if (err_cert)
- buf = X509_NAME_oneline(X509_get_subject_name(err_cert), NULL, 0);
- debug(DBG_WARN, "verify error: num=%d:%s:depth=%d:%s", err, X509_verify_cert_error_string(err), depth, buf ? buf : "");
- free(buf);
- buf = NULL;
-
- switch (err) {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- if (err_cert) {
- buf = X509_NAME_oneline(X509_get_issuer_name(err_cert), NULL, 0);
- if (buf) {
- debug(DBG_WARN, "\tIssuer=%s", buf);
- free(buf);
- buf = NULL;
- }
- }
- break;
- case X509_V_ERR_CERT_NOT_YET_VALID:
- case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
- debug(DBG_WARN, "\tCertificate not yet valid");
- break;
- case X509_V_ERR_CERT_HAS_EXPIRED:
- debug(DBG_WARN, "Certificate has expired");
- break;
- case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
- debug(DBG_WARN, "Certificate no longer valid (after notAfter)");
- break;
- case X509_V_ERR_NO_EXPLICIT_POLICY:
- debug(DBG_WARN, "No Explicit Certificate Policy");
- break;
- }
- }
-#ifdef DEBUG
- printf("certificate verify returns %d\n", ok);
-#endif
- return ok;
-}
-
int resolvepeer(struct clsrvconf *conf, int ai_flags) {
struct addrinfo hints, *addrinfo, *res;
char *slash, *s;
conf->servers->conf = conf;
type = conf->type;
+
+#ifdef DRADPROT_TLS
if (type == RAD_DTLS)
conf->servers->rbios = newqueue();
-
+#endif
conf->pdef->setsrcres();
conf->servers->sock = -1;
createlistener(type, NULL);
}
-#ifdef DEBUG
-void ssl_info_callback(const SSL *ssl, int where, int ret) {
- const char *s;
- int w;
-
- w = where & ~SSL_ST_MASK;
-
- if (w & SSL_ST_CONNECT)
- s = "SSL_connect";
- else if (w & SSL_ST_ACCEPT)
- s = "SSL_accept";
- else
- s = "undefined";
-
- if (where & SSL_CB_LOOP)
- debug(DBG_DBG, "%s:%s\n", s, SSL_state_string_long(ssl));
- else if (where & SSL_CB_ALERT) {
- s = (where & SSL_CB_READ) ? "read" : "write";
- debug(DBG_DBG, "SSL3 alert %s:%s:%s\n", s, SSL_alert_type_string_long(ret), SSL_alert_desc_string_long(ret));
- }
- else if (where & SSL_CB_EXIT) {
- if (ret == 0)
- debug(DBG_DBG, "%s:failed in %s\n", s, SSL_state_string_long(ssl));
- else if (ret < 0)
- debug(DBG_DBG, "%s:error in %s\n", s, SSL_state_string_long(ssl));
- }
-}
-#endif
-
void sslinit() {
int i;
time_t t;
}
}
-X509_VERIFY_PARAM *createverifyparams(char **poids) {
- X509_VERIFY_PARAM *pm;
- ASN1_OBJECT *pobject;
- int i;
-
- pm = X509_VERIFY_PARAM_new();
- if (!pm)
- return NULL;
-
- for (i = 0; poids[i]; i++) {
- pobject = OBJ_txt2obj(poids[i], 0);
- if (!pobject) {
- X509_VERIFY_PARAM_free(pm);
- return NULL;
- }
- X509_VERIFY_PARAM_add0_policy(pm, pobject);
- }
-
- X509_VERIFY_PARAM_set_flags(pm, X509_V_FLAG_POLICY_CHECK | X509_V_FLAG_EXPLICIT_POLICY);
- return pm;
-}
-
-int tlsaddcacrl(SSL_CTX *ctx, struct tls *conf) {
- STACK_OF(X509_NAME) *calist;
- X509_STORE *x509_s;
- unsigned long error;
-
- if (!SSL_CTX_load_verify_locations(ctx, conf->cacertfile, conf->cacertpath)) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "tlsaddcacrl: Error updating TLS context %s", conf->name);
- return 0;
- }
-
- calist = conf->cacertfile ? SSL_load_client_CA_file(conf->cacertfile) : NULL;
- if (!conf->cacertfile || calist) {
- if (conf->cacertpath) {
- if (!calist)
- calist = sk_X509_NAME_new_null();
- if (!SSL_add_dir_cert_subjects_to_stack(calist, conf->cacertpath)) {
- sk_X509_NAME_free(calist);
- calist = NULL;
- }
- }
- }
- if (!calist) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "tlsaddcacrl: Error adding CA subjects in TLS context %s", conf->name);
- return 0;
- }
- ERR_clear_error(); /* add_dir_cert_subj returns errors on success */
- SSL_CTX_set_client_CA_list(ctx, calist);
-
- SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_cb);
- SSL_CTX_set_verify_depth(ctx, MAX_CERT_DEPTH + 1);
-
- if (conf->crlcheck || conf->vpm) {
- x509_s = SSL_CTX_get_cert_store(ctx);
- if (conf->crlcheck)
- X509_STORE_set_flags(x509_s, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
- if (conf->vpm)
- X509_STORE_set1_param(x509_s, conf->vpm);
- }
-
- debug(DBG_DBG, "tlsaddcacrl: updated TLS context %s", conf->name);
- return 1;
-}
-
-SSL_CTX *tlscreatectx(uint8_t type, struct tls *conf) {
- SSL_CTX *ctx = NULL;
- unsigned long error;
-
- if (!ssl_locks)
- sslinit();
-
- switch (type) {
-#ifdef RADPROT_TLS
- case RAD_TLS:
- ctx = SSL_CTX_new(TLSv1_method());
-#ifdef DEBUG
- SSL_CTX_set_info_callback(ctx, ssl_info_callback);
-#endif
- break;
-#endif
-#ifdef RADPROT_DTLS
- case RAD_DTLS:
- ctx = SSL_CTX_new(DTLSv1_method());
-#ifdef DEBUG
- SSL_CTX_set_info_callback(ctx, ssl_info_callback);
-#endif
- SSL_CTX_set_read_ahead(ctx, 1);
- break;
-#endif
- }
- if (!ctx) {
- debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
- return NULL;
- }
-
- if (conf->certkeypwd) {
- SSL_CTX_set_default_passwd_cb_userdata(ctx, conf->certkeypwd);
- SSL_CTX_set_default_passwd_cb(ctx, pem_passwd_cb);
- }
- if (!SSL_CTX_use_certificate_chain_file(ctx, conf->certfile) ||
- !SSL_CTX_use_PrivateKey_file(ctx, conf->certkeyfile, SSL_FILETYPE_PEM) ||
- !SSL_CTX_check_private_key(ctx)) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
- SSL_CTX_free(ctx);
- return NULL;
- }
-
- if (conf->policyoids) {
- if (!conf->vpm) {
- conf->vpm = createverifyparams(conf->policyoids);
- if (!conf->vpm) {
- debug(DBG_ERR, "tlsaddcacrl: Failed to add policyOIDs in TLS context %s", conf->name);
- SSL_CTX_free(ctx);
- return NULL;
- }
- }
- }
-
- if (!tlsaddcacrl(ctx, conf)) {
- if (conf->vpm) {
- X509_VERIFY_PARAM_free(conf->vpm);
- conf->vpm = NULL;
- }
- SSL_CTX_free(ctx);
- return NULL;
- }
-
- debug(DBG_DBG, "tlscreatectx: created TLS context %s", conf->name);
- return ctx;
-}
-
-struct tls *tlsgettls(char *alt1, char *alt2) {
- struct tls *t;
-
- t = hash_read(tlsconfs, alt1, strlen(alt1));
- if (!t)
- t = hash_read(tlsconfs, alt2, strlen(alt2));
- return t;
-}
-
-SSL_CTX *tlsgetctx(uint8_t type, struct tls *t) {
- struct timeval now;
-
- if (!t)
- return NULL;
- gettimeofday(&now, NULL);
-
- switch (type) {
-#ifdef RADPROT_TLS
- case RAD_TLS:
- if (t->tlsexpiry && t->tlsctx) {
- if (t->tlsexpiry < now.tv_sec) {
- t->tlsexpiry = now.tv_sec + t->cacheexpiry;
- tlsaddcacrl(t->tlsctx, t);
- }
- }
- if (!t->tlsctx) {
- t->tlsctx = tlscreatectx(RAD_TLS, t);
- if (t->cacheexpiry)
- t->tlsexpiry = now.tv_sec + t->cacheexpiry;
- }
- return t->tlsctx;
-#endif
-#ifdef RADPROT_DTLS
- case RAD_DTLS:
- if (t->dtlsexpiry && t->dtlsctx) {
- if (t->dtlsexpiry < now.tv_sec) {
- t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
- tlsaddcacrl(t->dtlsctx, t);
- }
- }
- if (!t->dtlsctx) {
- t->dtlsctx = tlscreatectx(RAD_DTLS, t);
- if (t->cacheexpiry)
- t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
- }
- return t->dtlsctx;
-#endif
- }
- return NULL;
-}
-
struct list *addsrvconfs(char *value, char **names) {
struct list *conflist;
int n;
debugx(1, DBG_ERR, "error in block %s, unknown transport %s", block, conftype);
free(conftype);
conf->pdef = protodefs[conf->type];
-
+
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
if (conf->type == RAD_TLS || conf->type == RAD_DTLS) {
conf->tlsconf = conf->tls ? tlsgettls(conf->tls, NULL) : tlsgettls("defaultclient", "default");
if (!conf->tlsconf)
if (conf->matchcertattr && !addmatchcertattr(conf))
debugx(1, DBG_ERR, "error in block %s, invalid MatchCertificateAttributeValue", block);
}
+#endif
if (dupinterval != LONG_MIN) {
if (dupinterval < 0 || dupinterval > 255)
}
int compileserverconfig(struct clsrvconf *conf, const char *block) {
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
if (conf->type == RAD_TLS || conf->type == RAD_DTLS) {
conf->tlsconf = conf->tls ? tlsgettls(conf->tls, NULL) : tlsgettls("defaultserver", "default");
if (!conf->tlsconf) {
return 0;
}
}
-
+#endif
+
if (!conf->port) {
conf->port = stringcopy(conf->pdef->portdefault, 0);
if (!conf->port) {
return 1;
}
-int conftls_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
- struct tls *conf;
- long int expiry = LONG_MIN;
-
- debug(DBG_DBG, "conftls_cb called for %s", block);
-
- conf = malloc(sizeof(struct tls));
- if (!conf) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- return 0;
- }
- memset(conf, 0, sizeof(struct tls));
-
- if (!getgenericconfig(cf, block,
- "CACertificateFile", CONF_STR, &conf->cacertfile,
- "CACertificatePath", CONF_STR, &conf->cacertpath,
- "CertificateFile", CONF_STR, &conf->certfile,
- "CertificateKeyFile", CONF_STR, &conf->certkeyfile,
- "CertificateKeyPassword", CONF_STR, &conf->certkeypwd,
- "CacheExpiry", CONF_LINT, &expiry,
- "CRLCheck", CONF_BLN, &conf->crlcheck,
- "PolicyOID", CONF_MSTR, &conf->policyoids,
- NULL
- )) {
- debug(DBG_ERR, "conftls_cb: configuration error in block %s", val);
- goto errexit;
- }
- if (!conf->certfile || !conf->certkeyfile) {
- debug(DBG_ERR, "conftls_cb: TLSCertificateFile and TLSCertificateKeyFile must be specified in block %s", val);
- goto errexit;
- }
- if (!conf->cacertfile && !conf->cacertpath) {
- debug(DBG_ERR, "conftls_cb: CA Certificate file or path need to be specified in block %s", val);
- goto errexit;
- }
- if (expiry != LONG_MIN) {
- if (expiry < 0) {
- debug(DBG_ERR, "error in block %s, value of option CacheExpiry is %ld, may not be negative", val, expiry);
- goto errexit;
- }
- conf->cacheexpiry = expiry;
- }
-
- conf->name = stringcopy(val, 0);
- if (!conf->name) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- goto errexit;
- }
-
- if (!hash_insert(tlsconfs, val, strlen(val), conf)) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- goto errexit;
- }
- if (!tlsgetctx(RAD_TLS, conf))
- debug(DBG_ERR, "conftls_cb: error creating ctx for TLS block %s", val);
- debug(DBG_DBG, "conftls_cb: added TLS block %s", val);
- return 1;
-
- errexit:
- free(conf->cacertfile);
- free(conf->cacertpath);
- free(conf->certfile);
- free(conf->certkeyfile);
- free(conf->certkeypwd);
- freegconfmstr(conf->policyoids);
- free(conf);
- return 0;
-}
-
int confrewrite_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
char **rmattrs = NULL, **rmvattrs = NULL, **addattrs = NULL, **modattrs = NULL;
if (!realms)
debugx(1, DBG_ERR, "malloc failed");
- tlsconfs = hash_create();
- if (!tlsconfs)
- debugx(1, DBG_ERR, "malloc failed");
-
rewriteconfs = hash_create();
if (!rewriteconfs)
debugx(1, DBG_ERR, "malloc failed");
if (!getgenericconfig(&cfs, NULL,
#ifdef RADPROT_UDP
"ListenUDP", CONF_MSTR, &listenargs[RAD_UDP],
-#endif
-#ifdef RADPROT_TCP
- "ListenTCP", CONF_MSTR, &listenargs[RAD_TCP],
-#endif
-#ifdef RADPROT_TLS
- "ListenTLS", CONF_MSTR, &listenargs[RAD_TLS],
-#endif
-#ifdef RADPROT_DTLS
- "ListenDTLS", CONF_MSTR, &listenargs[RAD_DTLS],
-#endif
-#ifdef RADPROT_UDP
"SourceUDP", CONF_STR, &sourcearg[RAD_UDP],
#endif
#ifdef RADPROT_TCP
+ "ListenTCP", CONF_MSTR, &listenargs[RAD_TCP],
"SourceTCP", CONF_STR, &sourcearg[RAD_TCP],
#endif
#ifdef RADPROT_TLS
+ "ListenTLS", CONF_MSTR, &listenargs[RAD_TLS],
"SourceTLS", CONF_STR, &sourcearg[RAD_TLS],
#endif
#ifdef RADPROT_DTLS
+ "ListenDTLS", CONF_MSTR, &listenargs[RAD_DTLS],
"SourceDTLS", CONF_STR, &sourcearg[RAD_DTLS],
#endif
"TTLAttribute", CONF_STR, &options.ttlattr,
"Client", CONF_CBK, confclient_cb, NULL,
"Server", CONF_CBK, confserver_cb, NULL,
"Realm", CONF_CBK, confrealm_cb, NULL,
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
"TLS", CONF_CBK, conftls_cb, NULL,
+#endif
"Rewrite", CONF_CBK, confrewrite_cb, NULL,
NULL
))
for (i = 0; i < RAD_PROTOCOUNT; i++)
protodefs[i] = protoinits[i](i);
+
+ /* needed even if no TLS/DTLS transport */
+ sslinit();
getargs(argc, argv, &foreground, &pretend, &loglevel, &configfile);
if (loglevel)
--- /dev/null
+/*
+ * Copyright (C) 2006-2008 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.
+ */
+
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
+#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 <libgen.h>
+#include <pthread.h>
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#include <openssl/err.h>
+#include <openssl/md5.h>
+#include <openssl/hmac.h>
+#include <openssl/x509v3.h>
+#include "debug.h"
+#include "list.h"
+#include "hash.h"
+#include "util.h"
+#include "gconfig.h"
+#include "radsecproxy.h"
+
+struct tls {
+ char *name;
+ char *cacertfile;
+ char *cacertpath;
+ char *certfile;
+ char *certkeyfile;
+ char *certkeypwd;
+ uint8_t crlcheck;
+ char **policyoids;
+ uint32_t cacheexpiry;
+ uint32_t tlsexpiry;
+ uint32_t dtlsexpiry;
+ X509_VERIFY_PARAM *vpm;
+ SSL_CTX *tlsctx;
+ SSL_CTX *dtlsctx;
+};
+
+static struct hash *tlsconfs = NULL;
+
+static int pem_passwd_cb(char *buf, int size, int rwflag, void *userdata) {
+ int pwdlen = strlen(userdata);
+ if (rwflag != 0 || pwdlen > size) /* not for decryption or too large */
+ return 0;
+ memcpy(buf, userdata, pwdlen);
+ return pwdlen;
+}
+
+static int verify_cb(int ok, X509_STORE_CTX *ctx) {
+ char *buf = NULL;
+ X509 *err_cert;
+ int err, depth;
+
+ err_cert = X509_STORE_CTX_get_current_cert(ctx);
+ err = X509_STORE_CTX_get_error(ctx);
+ depth = X509_STORE_CTX_get_error_depth(ctx);
+
+ if (depth > MAX_CERT_DEPTH) {
+ ok = 0;
+ err = X509_V_ERR_CERT_CHAIN_TOO_LONG;
+ X509_STORE_CTX_set_error(ctx, err);
+ }
+
+ if (!ok) {
+ if (err_cert)
+ buf = X509_NAME_oneline(X509_get_subject_name(err_cert), NULL, 0);
+ debug(DBG_WARN, "verify error: num=%d:%s:depth=%d:%s", err, X509_verify_cert_error_string(err), depth, buf ? buf : "");
+ free(buf);
+ buf = NULL;
+
+ switch (err) {
+ case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
+ if (err_cert) {
+ buf = X509_NAME_oneline(X509_get_issuer_name(err_cert), NULL, 0);
+ if (buf) {
+ debug(DBG_WARN, "\tIssuer=%s", buf);
+ free(buf);
+ buf = NULL;
+ }
+ }
+ break;
+ case X509_V_ERR_CERT_NOT_YET_VALID:
+ case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
+ debug(DBG_WARN, "\tCertificate not yet valid");
+ break;
+ case X509_V_ERR_CERT_HAS_EXPIRED:
+ debug(DBG_WARN, "Certificate has expired");
+ break;
+ case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+ debug(DBG_WARN, "Certificate no longer valid (after notAfter)");
+ break;
+ case X509_V_ERR_NO_EXPLICIT_POLICY:
+ debug(DBG_WARN, "No Explicit Certificate Policy");
+ break;
+ }
+ }
+#ifdef DEBUG
+ printf("certificate verify returns %d\n", ok);
+#endif
+ return ok;
+}
+
+#ifdef DEBUG
+static void ssl_info_callback(const SSL *ssl, int where, int ret) {
+ const char *s;
+ int w;
+
+ w = where & ~SSL_ST_MASK;
+
+ if (w & SSL_ST_CONNECT)
+ s = "SSL_connect";
+ else if (w & SSL_ST_ACCEPT)
+ s = "SSL_accept";
+ else
+ s = "undefined";
+
+ if (where & SSL_CB_LOOP)
+ debug(DBG_DBG, "%s:%s\n", s, SSL_state_string_long(ssl));
+ else if (where & SSL_CB_ALERT) {
+ s = (where & SSL_CB_READ) ? "read" : "write";
+ debug(DBG_DBG, "SSL3 alert %s:%s:%s\n", s, SSL_alert_type_string_long(ret), SSL_alert_desc_string_long(ret));
+ }
+ else if (where & SSL_CB_EXIT) {
+ if (ret == 0)
+ debug(DBG_DBG, "%s:failed in %s\n", s, SSL_state_string_long(ssl));
+ else if (ret < 0)
+ debug(DBG_DBG, "%s:error in %s\n", s, SSL_state_string_long(ssl));
+ }
+}
+#endif
+
+static X509_VERIFY_PARAM *createverifyparams(char **poids) {
+ X509_VERIFY_PARAM *pm;
+ ASN1_OBJECT *pobject;
+ int i;
+
+ pm = X509_VERIFY_PARAM_new();
+ if (!pm)
+ return NULL;
+
+ for (i = 0; poids[i]; i++) {
+ pobject = OBJ_txt2obj(poids[i], 0);
+ if (!pobject) {
+ X509_VERIFY_PARAM_free(pm);
+ return NULL;
+ }
+ X509_VERIFY_PARAM_add0_policy(pm, pobject);
+ }
+
+ X509_VERIFY_PARAM_set_flags(pm, X509_V_FLAG_POLICY_CHECK | X509_V_FLAG_EXPLICIT_POLICY);
+ return pm;
+}
+
+static int tlsaddcacrl(SSL_CTX *ctx, struct tls *conf) {
+ STACK_OF(X509_NAME) *calist;
+ X509_STORE *x509_s;
+ unsigned long error;
+
+ if (!SSL_CTX_load_verify_locations(ctx, conf->cacertfile, conf->cacertpath)) {
+ while ((error = ERR_get_error()))
+ debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
+ debug(DBG_ERR, "tlsaddcacrl: Error updating TLS context %s", conf->name);
+ return 0;
+ }
+
+ calist = conf->cacertfile ? SSL_load_client_CA_file(conf->cacertfile) : NULL;
+ if (!conf->cacertfile || calist) {
+ if (conf->cacertpath) {
+ if (!calist)
+ calist = sk_X509_NAME_new_null();
+ if (!SSL_add_dir_cert_subjects_to_stack(calist, conf->cacertpath)) {
+ sk_X509_NAME_free(calist);
+ calist = NULL;
+ }
+ }
+ }
+ if (!calist) {
+ while ((error = ERR_get_error()))
+ debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
+ debug(DBG_ERR, "tlsaddcacrl: Error adding CA subjects in TLS context %s", conf->name);
+ return 0;
+ }
+ ERR_clear_error(); /* add_dir_cert_subj returns errors on success */
+ SSL_CTX_set_client_CA_list(ctx, calist);
+
+ SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_cb);
+ SSL_CTX_set_verify_depth(ctx, MAX_CERT_DEPTH + 1);
+
+ if (conf->crlcheck || conf->vpm) {
+ x509_s = SSL_CTX_get_cert_store(ctx);
+ if (conf->crlcheck)
+ X509_STORE_set_flags(x509_s, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
+ if (conf->vpm)
+ X509_STORE_set1_param(x509_s, conf->vpm);
+ }
+
+ debug(DBG_DBG, "tlsaddcacrl: updated TLS context %s", conf->name);
+ return 1;
+}
+
+static SSL_CTX *tlscreatectx(uint8_t type, struct tls *conf) {
+ SSL_CTX *ctx = NULL;
+ unsigned long error;
+
+ switch (type) {
+#ifdef RADPROT_TLS
+ case RAD_TLS:
+ ctx = SSL_CTX_new(TLSv1_method());
+#ifdef DEBUG
+ SSL_CTX_set_info_callback(ctx, ssl_info_callback);
+#endif
+ break;
+#endif
+#ifdef RADPROT_DTLS
+ case RAD_DTLS:
+ ctx = SSL_CTX_new(DTLSv1_method());
+#ifdef DEBUG
+ SSL_CTX_set_info_callback(ctx, ssl_info_callback);
+#endif
+ SSL_CTX_set_read_ahead(ctx, 1);
+ break;
+#endif
+ }
+ if (!ctx) {
+ debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
+ return NULL;
+ }
+
+ if (conf->certkeypwd) {
+ SSL_CTX_set_default_passwd_cb_userdata(ctx, conf->certkeypwd);
+ SSL_CTX_set_default_passwd_cb(ctx, pem_passwd_cb);
+ }
+ if (!SSL_CTX_use_certificate_chain_file(ctx, conf->certfile) ||
+ !SSL_CTX_use_PrivateKey_file(ctx, conf->certkeyfile, SSL_FILETYPE_PEM) ||
+ !SSL_CTX_check_private_key(ctx)) {
+ while ((error = ERR_get_error()))
+ debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
+ debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
+ SSL_CTX_free(ctx);
+ return NULL;
+ }
+
+ if (conf->policyoids) {
+ if (!conf->vpm) {
+ conf->vpm = createverifyparams(conf->policyoids);
+ if (!conf->vpm) {
+ debug(DBG_ERR, "tlscreatectx: Failed to add policyOIDs in TLS context %s", conf->name);
+ SSL_CTX_free(ctx);
+ return NULL;
+ }
+ }
+ }
+
+ if (!tlsaddcacrl(ctx, conf)) {
+ if (conf->vpm) {
+ X509_VERIFY_PARAM_free(conf->vpm);
+ conf->vpm = NULL;
+ }
+ SSL_CTX_free(ctx);
+ return NULL;
+ }
+
+ debug(DBG_DBG, "tlscreatectx: created TLS context %s", conf->name);
+ return ctx;
+}
+
+struct tls *tlsgettls(char *alt1, char *alt2) {
+ struct tls *t;
+
+ t = hash_read(tlsconfs, alt1, strlen(alt1));
+ if (!t)
+ t = hash_read(tlsconfs, alt2, strlen(alt2));
+ return t;
+}
+
+SSL_CTX *tlsgetctx(uint8_t type, struct tls *t) {
+ struct timeval now;
+
+ if (!t)
+ return NULL;
+ gettimeofday(&now, NULL);
+
+ switch (type) {
+#ifdef RADPROT_TLS
+ case RAD_TLS:
+ if (t->tlsexpiry && t->tlsctx) {
+ if (t->tlsexpiry < now.tv_sec) {
+ t->tlsexpiry = now.tv_sec + t->cacheexpiry;
+ tlsaddcacrl(t->tlsctx, t);
+ }
+ }
+ if (!t->tlsctx) {
+ t->tlsctx = tlscreatectx(RAD_TLS, t);
+ if (t->cacheexpiry)
+ t->tlsexpiry = now.tv_sec + t->cacheexpiry;
+ }
+ return t->tlsctx;
+#endif
+#ifdef RADPROT_DTLS
+ case RAD_DTLS:
+ if (t->dtlsexpiry && t->dtlsctx) {
+ if (t->dtlsexpiry < now.tv_sec) {
+ t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
+ tlsaddcacrl(t->dtlsctx, t);
+ }
+ }
+ if (!t->dtlsctx) {
+ t->dtlsctx = tlscreatectx(RAD_DTLS, t);
+ if (t->cacheexpiry)
+ t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
+ }
+ return t->dtlsctx;
+#endif
+ }
+ return NULL;
+}
+
+int conftls_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
+ struct tls *conf;
+ long int expiry = LONG_MIN;
+
+ debug(DBG_DBG, "conftls_cb called for %s", block);
+
+ conf = malloc(sizeof(struct tls));
+ if (!conf) {
+ debug(DBG_ERR, "conftls_cb: malloc failed");
+ return 0;
+ }
+ memset(conf, 0, sizeof(struct tls));
+
+ if (!getgenericconfig(cf, block,
+ "CACertificateFile", CONF_STR, &conf->cacertfile,
+ "CACertificatePath", CONF_STR, &conf->cacertpath,
+ "CertificateFile", CONF_STR, &conf->certfile,
+ "CertificateKeyFile", CONF_STR, &conf->certkeyfile,
+ "CertificateKeyPassword", CONF_STR, &conf->certkeypwd,
+ "CacheExpiry", CONF_LINT, &expiry,
+ "CRLCheck", CONF_BLN, &conf->crlcheck,
+ "PolicyOID", CONF_MSTR, &conf->policyoids,
+ NULL
+ )) {
+ debug(DBG_ERR, "conftls_cb: configuration error in block %s", val);
+ goto errexit;
+ }
+ if (!conf->certfile || !conf->certkeyfile) {
+ debug(DBG_ERR, "conftls_cb: TLSCertificateFile and TLSCertificateKeyFile must be specified in block %s", val);
+ goto errexit;
+ }
+ if (!conf->cacertfile && !conf->cacertpath) {
+ debug(DBG_ERR, "conftls_cb: CA Certificate file or path need to be specified in block %s", val);
+ goto errexit;
+ }
+ if (expiry != LONG_MIN) {
+ if (expiry < 0) {
+ debug(DBG_ERR, "error in block %s, value of option CacheExpiry is %ld, may not be negative", val, expiry);
+ goto errexit;
+ }
+ conf->cacheexpiry = expiry;
+ }
+
+ conf->name = stringcopy(val, 0);
+ if (!conf->name) {
+ debug(DBG_ERR, "conftls_cb: malloc failed");
+ goto errexit;
+ }
+
+ if (!tlsconfs)
+ tlsconfs = hash_create();
+ if (!hash_insert(tlsconfs, val, strlen(val), conf)) {
+ debug(DBG_ERR, "conftls_cb: malloc failed");
+ goto errexit;
+ }
+ if (!tlsgetctx(RAD_TLS, conf))
+ debug(DBG_ERR, "conftls_cb: error creating ctx for TLS block %s", val);
+ debug(DBG_DBG, "conftls_cb: added TLS block %s", val);
+ return 1;
+
+ errexit:
+ free(conf->cacertfile);
+ free(conf->cacertpath);
+ free(conf->certfile);
+ free(conf->certkeyfile);
+ free(conf->certkeypwd);
+ freegconfmstr(conf->policyoids);
+ free(conf);
+ return 0;
+}
+#else
+/* Just to makes file non-empty, should rather avoid compiling this file when not needed */
+static void tlsdummy() {
+}
+#endif
projects / libradsec.git / commitdiff