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-rw-r--r--source4/lib/tls/config.mk12
-rw-r--r--source4/lib/tls/tls.c420
-rw-r--r--source4/lib/tls/tls.h61
-rw-r--r--source4/lib/tls/tlscert.c153
4 files changed, 646 insertions, 0 deletions
diff --git a/source4/lib/tls/config.mk b/source4/lib/tls/config.mk
new file mode 100644
index 0000000000..0800a69829
--- /dev/null
+++ b/source4/lib/tls/config.mk
@@ -0,0 +1,12 @@
+################################################
+# Start SUBSYSTEM LIBTLS
+[SUBSYSTEM::LIBTLS]
+ADD_OBJ_FILES = \
+ lib/tls/tls.o \
+ lib/tls/tlscert.o
+REQUIRED_SUBSYSTEMS = \
+ LIBTALLOC EXT_LIB_GNUTLS
+NOPROTO = YES
+#
+# End SUBSYSTEM LIBTLS
+################################################
diff --git a/source4/lib/tls/tls.c b/source4/lib/tls/tls.c
new file mode 100644
index 0000000000..3b166b27a0
--- /dev/null
+++ b/source4/lib/tls/tls.c
@@ -0,0 +1,420 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ transport layer security handling code
+
+ Copyright (C) Andrew Tridgell 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "lib/socket/socket.h"
+#include "lib/tls/tls.h"
+
+#if HAVE_LIBGNUTLS
+#include "gnutls/gnutls.h"
+
+#define DH_BITS 1024
+
+/* hold persistent tls data */
+struct tls_params {
+ gnutls_certificate_credentials x509_cred;
+ gnutls_dh_params dh_params;
+ BOOL tls_enabled;
+};
+
+/* hold per connection tls data */
+struct tls_context {
+ struct tls_params *params;
+ struct socket_context *socket;
+ struct fd_event *fde;
+ gnutls_session session;
+ BOOL done_handshake;
+ BOOL have_first_byte;
+ uint8_t first_byte;
+ BOOL tls_enabled;
+ BOOL tls_detect;
+ const char *plain_chars;
+ BOOL output_pending;
+};
+
+
+/*
+ callback for reading from a socket
+*/
+static ssize_t tls_pull(gnutls_transport_ptr ptr, void *buf, size_t size)
+{
+ struct tls_context *tls = talloc_get_type(ptr, struct tls_context);
+ NTSTATUS status;
+ size_t nread;
+
+ if (tls->have_first_byte) {
+ *(uint8_t *)buf = tls->first_byte;
+ tls->have_first_byte = False;
+ return 1;
+ }
+
+ status = socket_recv(tls->socket, buf, size, &nread, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ EVENT_FD_READABLE(tls->fde);
+ EVENT_FD_NOT_WRITEABLE(tls->fde);
+ return -1;
+ }
+ if (tls->output_pending) {
+ EVENT_FD_WRITEABLE(tls->fde);
+ }
+ if (size != nread) {
+ EVENT_FD_READABLE(tls->fde);
+ }
+ return nread;
+}
+
+/*
+ callback for writing to a socket
+*/
+static ssize_t tls_push(gnutls_transport_ptr ptr, const void *buf, size_t size)
+{
+ struct tls_context *tls = talloc_get_type(ptr, struct tls_context);
+ NTSTATUS status;
+ size_t nwritten;
+ DATA_BLOB b;
+
+ if (!tls->tls_enabled) {
+ return size;
+ }
+
+ b.data = discard_const(buf);
+ b.length = size;
+
+ status = socket_send(tls->socket, &b, &nwritten, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ EVENT_FD_WRITEABLE(tls->fde);
+ return -1;
+ }
+ if (size != nwritten) {
+ EVENT_FD_WRITEABLE(tls->fde);
+ }
+ return nwritten;
+}
+
+/*
+ destroy a tls session
+ */
+static int tls_destructor(void *ptr)
+{
+ struct tls_context *tls = talloc_get_type(ptr, struct tls_context);
+ int ret;
+ ret = gnutls_bye(tls->session, GNUTLS_SHUT_WR);
+ if (ret < 0) {
+ DEBUG(0,("TLS gnutls_bye failed - %s\n", gnutls_strerror(ret)));
+ }
+ return 0;
+}
+
+
+/*
+ possibly continue the handshake process
+*/
+static NTSTATUS tls_handshake(struct tls_context *tls)
+{
+ int ret;
+
+ if (tls->done_handshake) {
+ return NT_STATUS_OK;
+ }
+
+ ret = gnutls_handshake(tls->session);
+ if (ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN) {
+ return STATUS_MORE_ENTRIES;
+ }
+ if (ret < 0) {
+ DEBUG(0,("TLS gnutls_handshake failed - %s\n", gnutls_strerror(ret)));
+ return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ }
+ tls->done_handshake = True;
+ return NT_STATUS_OK;
+}
+
+
+/*
+ receive data either by tls or normal socket_recv
+*/
+NTSTATUS tls_socket_recv(struct tls_context *tls, void *buf, size_t wantlen,
+ size_t *nread)
+{
+ int ret;
+ NTSTATUS status;
+ if (tls->tls_enabled && tls->tls_detect) {
+ status = socket_recv(tls->socket, &tls->first_byte, 1, nread, 0);
+ NT_STATUS_NOT_OK_RETURN(status);
+ if (*nread == 0) return NT_STATUS_OK;
+ tls->tls_detect = False;
+ /* look for the first byte of a valid HTTP operation */
+ if (strchr(tls->plain_chars, tls->first_byte)) {
+ /* not a tls link */
+ tls->tls_enabled = False;
+ *(uint8_t *)buf = tls->first_byte;
+ return NT_STATUS_OK;
+ }
+ tls->have_first_byte = True;
+ }
+
+ if (!tls->tls_enabled) {
+ return socket_recv(tls->socket, buf, wantlen, nread, 0);
+ }
+
+ status = tls_handshake(tls);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ ret = gnutls_record_recv(tls->session, buf, wantlen);
+ if (ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN) {
+ return STATUS_MORE_ENTRIES;
+ }
+ if (ret < 0) {
+ DEBUG(0,("gnutls_record_recv failed - %s\n", gnutls_strerror(ret)));
+ return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ }
+ *nread = ret;
+ return NT_STATUS_OK;
+}
+
+
+/*
+ send data either by tls or normal socket_recv
+*/
+NTSTATUS tls_socket_send(struct tls_context *tls, const DATA_BLOB *blob, size_t *sendlen)
+{
+ NTSTATUS status;
+ int ret;
+
+ if (!tls->tls_enabled) {
+ return socket_send(tls->socket, blob, sendlen, 0);
+ }
+
+ status = tls_handshake(tls);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ ret = gnutls_record_send(tls->session, blob->data, blob->length);
+ if (ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN) {
+ return STATUS_MORE_ENTRIES;
+ }
+ if (ret < 0) {
+ DEBUG(0,("gnutls_record_send failed - %s\n", gnutls_strerror(ret)));
+ return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ }
+ *sendlen = ret;
+ tls->output_pending = (ret < blob->length);
+ return NT_STATUS_OK;
+}
+
+
+/*
+ initialise global tls state
+*/
+struct tls_params *tls_initialise(TALLOC_CTX *mem_ctx)
+{
+ struct tls_params *params;
+ int ret;
+ const char *keyfile = lp_tls_keyfile();
+ const char *certfile = lp_tls_certfile();
+ const char *cafile = lp_tls_cafile();
+ const char *crlfile = lp_tls_crlfile();
+ void tls_cert_generate(TALLOC_CTX *, const char *, const char *, const char *);
+
+ params = talloc(mem_ctx, struct tls_params);
+ if (params == NULL) return NULL;
+
+ if (!lp_tls_enabled() || keyfile == NULL || *keyfile == 0) {
+ params->tls_enabled = False;
+ return params;
+ }
+
+ if (!file_exist(cafile)) {
+ tls_cert_generate(params, keyfile, certfile, cafile);
+ }
+
+ ret = gnutls_global_init();
+ if (ret < 0) goto init_failed;
+
+ gnutls_certificate_allocate_credentials(&params->x509_cred);
+ if (ret < 0) goto init_failed;
+
+ if (cafile && *cafile) {
+ ret = gnutls_certificate_set_x509_trust_file(params->x509_cred, cafile,
+ GNUTLS_X509_FMT_PEM);
+ if (ret < 0) {
+ DEBUG(0,("TLS failed to initialise cafile %s\n", cafile));
+ goto init_failed;
+ }
+ }
+
+ if (crlfile && *crlfile) {
+ ret = gnutls_certificate_set_x509_crl_file(params->x509_cred,
+ crlfile,
+ GNUTLS_X509_FMT_PEM);
+ if (ret < 0) {
+ DEBUG(0,("TLS failed to initialise crlfile %s\n", crlfile));
+ goto init_failed;
+ }
+ }
+
+ ret = gnutls_certificate_set_x509_key_file(params->x509_cred,
+ certfile, keyfile,
+ GNUTLS_X509_FMT_PEM);
+ if (ret < 0) {
+ DEBUG(0,("TLS failed to initialise certfile %s and keyfile %s\n",
+ certfile, keyfile));
+ goto init_failed;
+ }
+
+ ret = gnutls_dh_params_init(&params->dh_params);
+ if (ret < 0) goto init_failed;
+
+ ret = gnutls_dh_params_generate2(params->dh_params, DH_BITS);
+ if (ret < 0) goto init_failed;
+
+ gnutls_certificate_set_dh_params(params->x509_cred, params->dh_params);
+
+ params->tls_enabled = True;
+ return params;
+
+init_failed:
+ DEBUG(0,("GNUTLS failed to initialise - %s\n", gnutls_strerror(ret)));
+ params->tls_enabled = False;
+ return params;
+}
+
+
+/*
+ setup for a new connection
+*/
+struct tls_context *tls_init_server(struct tls_params *params,
+ struct socket_context *socket,
+ struct fd_event *fde,
+ const char *plain_chars)
+{
+ struct tls_context *tls;
+ int ret;
+
+ tls = talloc(socket, struct tls_context);
+ if (tls == NULL) return NULL;
+
+ tls->socket = socket;
+ tls->fde = fde;
+
+ if (!params->tls_enabled) {
+ tls->tls_enabled = False;
+ return tls;
+ }
+
+#define TLSCHECK(call) do { \
+ ret = call; \
+ if (ret < 0) { \
+ DEBUG(0,("TLS %s - %s\n", #call, gnutls_strerror(ret))); \
+ goto failed; \
+ } \
+} while (0)
+
+ TLSCHECK(gnutls_init(&tls->session, GNUTLS_SERVER));
+
+ talloc_set_destructor(tls, tls_destructor);
+
+ TLSCHECK(gnutls_set_default_priority(tls->session));
+ TLSCHECK(gnutls_credentials_set(tls->session, GNUTLS_CRD_CERTIFICATE,
+ params->x509_cred));
+ gnutls_certificate_server_set_request(tls->session, GNUTLS_CERT_REQUEST);
+ gnutls_dh_set_prime_bits(tls->session, DH_BITS);
+ gnutls_transport_set_ptr(tls->session, (gnutls_transport_ptr)tls);
+ gnutls_transport_set_pull_function(tls->session, (gnutls_pull_func)tls_pull);
+ gnutls_transport_set_push_function(tls->session, (gnutls_push_func)tls_push);
+ gnutls_transport_set_lowat(tls->session, 0);
+
+ tls->plain_chars = plain_chars;
+ if (plain_chars) {
+ tls->tls_detect = True;
+ } else {
+ tls->tls_detect = False;
+ }
+
+ tls->output_pending = False;
+ tls->params = params;
+ tls->done_handshake = False;
+ tls->have_first_byte = False;
+ tls->tls_enabled = True;
+
+ return tls;
+
+failed:
+ DEBUG(0,("TLS init connection failed - %s\n", gnutls_strerror(ret)));
+ tls->tls_enabled = False;
+ params->tls_enabled = False;
+ return tls;
+}
+
+BOOL tls_enabled(struct tls_context *tls)
+{
+ return tls->tls_enabled;
+}
+
+BOOL tls_support(struct tls_params *params)
+{
+ return params->tls_enabled;
+}
+
+
+#else
+
+/* for systems without tls we just map the tls socket calls to the
+ normal socket calls */
+
+struct tls_params *tls_initialise(TALLOC_CTX *mem_ctx)
+{
+ return talloc_new(mem_ctx);
+}
+
+struct tls_context *tls_init_server(struct tls_params *params,
+ struct socket_context *sock,
+ struct fd_event *fde,
+ const char *plain_chars)
+{
+ if (plain_chars == NULL) return NULL;
+ return (struct tls_context *)sock;
+}
+
+
+NTSTATUS tls_socket_recv(struct tls_context *tls, void *buf, size_t wantlen,
+ size_t *nread)
+{
+ return socket_recv((struct socket_context *)tls, buf, wantlen, nread, 0);
+}
+
+NTSTATUS tls_socket_send(struct tls_context *tls, const DATA_BLOB *blob, size_t *sendlen)
+{
+ return socket_send((struct socket_context *)tls, blob, sendlen, 0);
+}
+
+BOOL tls_enabled(struct tls_context *tls)
+{
+ return False;
+}
+
+BOOL tls_support(struct tls_params *params)
+{
+ return False;
+}
+
+#endif
diff --git a/source4/lib/tls/tls.h b/source4/lib/tls/tls.h
new file mode 100644
index 0000000000..f87d49d9eb
--- /dev/null
+++ b/source4/lib/tls/tls.h
@@ -0,0 +1,61 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ transport layer security handling code
+
+ Copyright (C) Andrew Tridgell 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+ call tls_initialise() once per task to startup the tls subsystem
+*/
+struct tls_params *tls_initialise(TALLOC_CTX *mem_ctx);
+
+/*
+ call tls_init_server() on each new server connection
+
+ the 'plain_chars' parameter is a list of chars that when they occur
+ as the first character from the client on the connection tell the
+ tls code that this is a non-tls connection. This can be used to have
+ tls and non-tls servers on the same port. If this is NULL then only
+ tls connections will be allowed
+*/
+struct tls_context *tls_init_server(struct tls_params *parms,
+ struct socket_context *sock,
+ struct fd_event *fde,
+ const char *plain_chars);
+
+/*
+ call these to send and receive data. They behave like socket_send() and socket_recv()
+ */
+NTSTATUS tls_socket_recv(struct tls_context *tls, void *buf, size_t wantlen,
+ size_t *nread);
+NTSTATUS tls_socket_send(struct tls_context *tls, const DATA_BLOB *blob,
+ size_t *sendlen);
+
+/*
+ return True if a connection used tls
+*/
+BOOL tls_enabled(struct tls_context *tls);
+
+
+/*
+ true if tls support is compiled in
+*/
+BOOL tls_support(struct tls_params *parms);
+
+
diff --git a/source4/lib/tls/tlscert.c b/source4/lib/tls/tlscert.c
new file mode 100644
index 0000000000..2cd46ff432
--- /dev/null
+++ b/source4/lib/tls/tlscert.c
@@ -0,0 +1,153 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ auto-generate self signed TLS certificates
+
+ Copyright (C) Andrew Tridgell 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#if HAVE_LIBGNUTLS
+#include "gnutls/gnutls.h"
+#include "gnutls/x509.h"
+
+#define ORGANISATION_NAME "Samba Administration"
+#define UNIT_NAME "Samba - temporary autogenerated certificate"
+#define COMMON_NAME "Samba"
+#define LIFETIME 700*24*60*60
+
+/*
+ auto-generate a set of self signed certificates
+*/
+void tls_cert_generate(TALLOC_CTX *mem_ctx,
+ const char *keyfile, const char *certfile,
+ const char *cafile)
+{
+ gnutls_x509_crt cacrt, crt;
+ gnutls_x509_privkey key, cakey;
+ uint32_t serial = (uint32_t)time(NULL);
+ char keyid[100];
+ char buf[4096];
+ size_t bufsize;
+ size_t keyidsize = sizeof(keyid);
+ time_t activation = time(NULL), expiry = activation + LIFETIME;
+ int ret;
+
+ if (file_exist(keyfile) || file_exist(certfile) || file_exist(cafile)) {
+ DEBUG(0,("TLS autogeneration skipped - some TLS files already exist\n"));
+ return;
+ }
+
+#define TLSCHECK(call) do { \
+ ret = call; \
+ if (ret < 0) { \
+ DEBUG(0,("TLS %s - %s\n", #call, gnutls_strerror(ret))); \
+ goto failed; \
+ } \
+} while (0)
+
+ TLSCHECK(gnutls_global_init());
+
+ DEBUG(0,("Attempting to autogenerate TLS self-signed keys for https\n"));
+
+ DEBUG(3,("Generating private key\n"));
+ TLSCHECK(gnutls_x509_privkey_init(&key));
+ TLSCHECK(gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 1024, 0));
+
+ DEBUG(3,("Generating CA private key\n"));
+ TLSCHECK(gnutls_x509_privkey_init(&cakey));
+ TLSCHECK(gnutls_x509_privkey_generate(cakey, GNUTLS_PK_RSA, 1024, 0));
+
+ DEBUG(3,("Generating CA certificate\n"));
+ TLSCHECK(gnutls_x509_crt_init(&cacrt));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(cacrt,
+ GNUTLS_OID_X520_ORGANIZATION_NAME, 0,
+ ORGANISATION_NAME, strlen(ORGANISATION_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(cacrt,
+ GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, 0,
+ UNIT_NAME, strlen(UNIT_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(cacrt,
+ GNUTLS_OID_X520_COMMON_NAME, 0,
+ COMMON_NAME, strlen(COMMON_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_key(cacrt, cakey));
+ TLSCHECK(gnutls_x509_crt_set_serial(cacrt, &serial, sizeof(serial)));
+ TLSCHECK(gnutls_x509_crt_set_activation_time(cacrt, activation));
+ TLSCHECK(gnutls_x509_crt_set_expiration_time(cacrt, expiry));
+ TLSCHECK(gnutls_x509_crt_set_ca_status(cacrt, 0));
+#ifdef GNUTLS_KP_TLS_WWW_SERVER
+ TLSCHECK(gnutls_x509_crt_set_key_purpose_oid(cacrt, GNUTLS_KP_TLS_WWW_SERVER, 0));
+#endif
+ TLSCHECK(gnutls_x509_crt_set_version(cacrt, 3));
+ TLSCHECK(gnutls_x509_crt_get_key_id(cacrt, 0, keyid, &keyidsize));
+ TLSCHECK(gnutls_x509_crt_set_subject_key_id(cacrt, keyid, keyidsize));
+ TLSCHECK(gnutls_x509_crt_sign(cacrt, cacrt, cakey));
+
+ DEBUG(3,("Generating TLS certificate\n"));
+ TLSCHECK(gnutls_x509_crt_init(&crt));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(crt,
+ GNUTLS_OID_X520_ORGANIZATION_NAME, 0,
+ ORGANISATION_NAME, strlen(ORGANISATION_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(crt,
+ GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, 0,
+ UNIT_NAME, strlen(UNIT_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_dn_by_oid(crt,
+ GNUTLS_OID_X520_COMMON_NAME, 0,
+ COMMON_NAME, strlen(COMMON_NAME)));
+ TLSCHECK(gnutls_x509_crt_set_key(crt, key));
+ TLSCHECK(gnutls_x509_crt_set_serial(crt, &serial, sizeof(serial)));
+ TLSCHECK(gnutls_x509_crt_set_activation_time(crt, activation));
+ TLSCHECK(gnutls_x509_crt_set_expiration_time(crt, expiry));
+ TLSCHECK(gnutls_x509_crt_set_ca_status(crt, 0));
+#ifdef GNUTLS_KP_TLS_WWW_SERVER
+ TLSCHECK(gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0));
+#endif
+ TLSCHECK(gnutls_x509_crt_set_version(crt, 3));
+ TLSCHECK(gnutls_x509_crt_get_key_id(crt, 0, keyid, &keyidsize));
+ TLSCHECK(gnutls_x509_crt_set_subject_key_id(crt, keyid, keyidsize));
+ TLSCHECK(gnutls_x509_crt_sign(crt, crt, key));
+
+ DEBUG(3,("Exporting TLS keys\n"));
+
+ bufsize = sizeof(buf);
+ TLSCHECK(gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM, buf, &bufsize));
+ file_save(certfile, buf, bufsize);
+
+ bufsize = sizeof(buf);
+ TLSCHECK(gnutls_x509_crt_export(cacrt, GNUTLS_X509_FMT_PEM, buf, &bufsize));
+ file_save(cafile, buf, bufsize);
+
+ bufsize = sizeof(buf);
+ TLSCHECK(gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM, buf, &bufsize));
+ file_save(keyfile, buf, bufsize);
+
+ gnutls_x509_privkey_deinit(key);
+ gnutls_x509_privkey_deinit(cakey);
+ gnutls_x509_crt_deinit(cacrt);
+ gnutls_x509_crt_deinit(crt);
+ gnutls_global_deinit();
+
+ DEBUG(0,("TLS self-signed keys generated OK\n"));
+ return;
+
+failed:
+ DEBUG(0,("TLS certificate generation failed\n"));
+}
+
+#else
+ void tls_cert_dummy(void) {}
+#endif