# include <openssl/ocsp.h>
#endif
#ifdef EXPERIMENTAL_DANE
-# include <danessl.h>
+# include "danessl.h"
#endif
#endif
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
# define EXIM_HAVE_OCSP_RESP_COUNT
-# define EXIM_HAVE_OPENSSL_DH_BITS
#else
# define EXIM_HAVE_EPHEM_RSA_KEX
# define EXIM_HAVE_RAND_PSEUDO
#ifndef LIBRESSL_VERSION_NUMBER
# if OPENSSL_VERSION_NUMBER >= 0x010100000L
# define EXIM_HAVE_OPENSSL_CHECKHOST
+# define EXIM_HAVE_OPENSSL_DH_BITS
# endif
# if OPENSSL_VERSION_NUMBER >= 0x010000000L \
&& (OPENSSL_VERSION_NUMBER & 0x0000ff000L) >= 0x000002000L
-#ifdef EXIM_HAVE_EPHEM_RSA_KEX
/*************************************************
* Callback to generate RSA key *
*************************************************/
/*
Arguments:
- s SSL connection
+ s SSL connection (not used)
export not used
keylength keylength
}
return rsa_key;
}
-#endif
}
supply_response:
- cbinfo->u_ocsp.server.response = resp;
+ cbinfo->u_ocsp.server.response = resp; /*XXX stack?*/
return;
bad:
{
extern char ** environ;
uschar ** p;
- if (environ) for (p = USS environ; *p != NULL; p++)
+ if (environ) for (p = USS environ; *p; p++)
if (Ustrncmp(*p, "EXIM_TESTHARNESS_DISABLE_OCSPVALIDITYCHECK", 42) == 0)
{
DEBUG(D_tls) debug_printf("Supplying known bad OCSP response\n");
goto err;
where = US"generating pkey";
- /* deprecated, use RSA_generate_key_ex() */
-if (!(rsa = RSA_generate_key(1024, RSA_F4, NULL, NULL)))
+if (!(rsa = rsa_callback(NULL, 0, 1024)))
goto err;
where = US"assigning pkey";
+static int
+tls_add_certfile(SSL_CTX * sctx, tls_ext_ctx_cb * cbinfo, uschar * file,
+ uschar ** errstr)
+{
+DEBUG(D_tls) debug_printf("tls_certificate file %s\n", file);
+if (!SSL_CTX_use_certificate_chain_file(sctx, CS file))
+ return tls_error(string_sprintf(
+ "SSL_CTX_use_certificate_chain_file file=%s", file),
+ cbinfo->host, NULL, errstr);
+return 0;
+}
+
+static int
+tls_add_pkeyfile(SSL_CTX * sctx, tls_ext_ctx_cb * cbinfo, uschar * file,
+ uschar ** errstr)
+{
+DEBUG(D_tls) debug_printf("tls_privatekey file %s\n", file);
+if (!SSL_CTX_use_PrivateKey_file(sctx, CS file, SSL_FILETYPE_PEM))
+ return tls_error(string_sprintf(
+ "SSL_CTX_use_PrivateKey_file file=%s", file), cbinfo->host, NULL, errstr);
+return 0;
+}
+
+
/*************************************************
* Expand key and cert file specs *
*************************************************/
if (!cbinfo->certificate)
{
- if (cbinfo->host) /* client */
+ if (!cbinfo->is_server) /* client */
return OK;
/* server */
if (tls_install_selfsign(sctx, errstr) != OK)
}
else
{
+ int err;
+
if (Ustrstr(cbinfo->certificate, US"tls_sni") ||
Ustrstr(cbinfo->certificate, US"tls_in_sni") ||
Ustrstr(cbinfo->certificate, US"tls_out_sni")
if (!expand_check(cbinfo->certificate, US"tls_certificate", &expanded, errstr))
return DEFER;
- if (expanded != NULL)
- {
- DEBUG(D_tls) debug_printf("tls_certificate file %s\n", expanded);
- if (!SSL_CTX_use_certificate_chain_file(sctx, CS expanded))
- return tls_error(string_sprintf(
- "SSL_CTX_use_certificate_chain_file file=%s", expanded),
- cbinfo->host, NULL, errstr);
- }
+ if (expanded)
+ if (cbinfo->is_server)
+ {
+ const uschar * file_list = expanded;
+ int sep = 0;
+ uschar * file;
+
+ while (file = string_nextinlist(&file_list, &sep, NULL, 0))
+ if ((err = tls_add_certfile(sctx, cbinfo, file, errstr)))
+ return err;
+ }
+ else /* would there ever be a need for multiple client certs? */
+ if ((err = tls_add_certfile(sctx, cbinfo, expanded, errstr)))
+ return err;
if (cbinfo->privatekey != NULL &&
!expand_check(cbinfo->privatekey, US"tls_privatekey", &expanded, errstr))
key is in the same file as the certificate. */
if (expanded && *expanded)
- {
- DEBUG(D_tls) debug_printf("tls_privatekey file %s\n", expanded);
- if (!SSL_CTX_use_PrivateKey_file(sctx, CS expanded, SSL_FILETYPE_PEM))
- return tls_error(string_sprintf(
- "SSL_CTX_use_PrivateKey_file file=%s", expanded), cbinfo->host, NULL, errstr);
- }
+ if (cbinfo->is_server)
+ {
+ const uschar * file_list = expanded;
+ int sep = 0;
+ uschar * file;
+
+ while (file = string_nextinlist(&file_list, &sep, NULL, 0))
+ if ((err = tls_add_pkeyfile(sctx, cbinfo, file, errstr)))
+ return err;
+ }
+ else /* would there ever be a need for multiple client certs? */
+ if ((err = tls_add_pkeyfile(sctx, cbinfo, expanded, errstr)))
+ return err;
}
#ifndef DISABLE_OCSP
if (cbinfo->is_server && cbinfo->u_ocsp.server.file)
{
+ /*XXX stack*/
if (!expand_check(cbinfo->u_ocsp.server.file, US"tls_ocsp_file", &expanded, errstr))
return DEFER;
tls_server_stapling_cb(SSL *s, void *arg)
{
const tls_ext_ctx_cb *cbinfo = (tls_ext_ctx_cb *) arg;
-uschar *response_der;
+uschar *response_der; /*XXX blob */
int response_der_len;
+/*XXX stack: use SSL_get_certificate() to see which cert; from that work
+out which ocsp blob to send. Unfortunately, SSL_get_certificate is known
+buggy in current OpenSSL; it returns the last cert loaded always rather than
+the one actually presented. So we can't support a stack of OCSP proofs at
+this time. */
+
DEBUG(D_tls)
debug_printf("Received TLS status request (OCSP stapling); %s response\n",
cbinfo->u_ocsp.server.response ? "have" : "lack");
return SSL_TLSEXT_ERR_NOACK;
response_der = NULL;
-response_der_len = i2d_OCSP_RESPONSE(cbinfo->u_ocsp.server.response,
+response_der_len = i2d_OCSP_RESPONSE(cbinfo->u_ocsp.server.response, /*XXX stack*/
&response_der);
if (response_der_len <= 0)
return SSL_TLSEXT_ERR_NOACK;
tls_init(SSL_CTX **ctxp, host_item *host, uschar *dhparam, uschar *certificate,
uschar *privatekey,
#ifndef DISABLE_OCSP
- uschar *ocsp_file,
+ uschar *ocsp_file, /*XXX stack, in server*/
#endif
address_item *addr, tls_ext_ctx_cb ** cbp, uschar ** errstr)
{
gettimeofday(&r.tv, NULL);
r.p = getpid();
- RAND_seed((uschar *)(&r), sizeof(r));
- RAND_seed((uschar *)big_buffer, big_buffer_size);
- if (addr != NULL) RAND_seed((uschar *)addr, sizeof(addr));
+ RAND_seed(US (&r), sizeof(r));
+ RAND_seed(US big_buffer, big_buffer_size);
+ if (addr != NULL) RAND_seed(US addr, sizeof(addr));
if (!RAND_status())
return tls_error(US"RAND_status", host,
rc = tls_init(&server_ctx, NULL, tls_dhparam, tls_certificate, tls_privatekey,
#ifndef DISABLE_OCSP
- tls_ocsp_file,
+ tls_ocsp_file, /*XXX stack*/
#endif
NULL, &server_static_cbinfo, errstr);
if (rc != OK) return rc;
{
int outbytes, error, left;
SSL *ssl = is_server ? server_ssl : client_ssl;
-static uschar * corked = NULL;
-static int c_size = 0, c_len = 0;
+static gstring * corked = NULL;
-DEBUG(D_tls) debug_printf("%s(%p, %d%s)\n", __FUNCTION__,
- buff, left, more ? ", more" : "");
+DEBUG(D_tls) debug_printf("%s(%p, %lu%s)\n", __FUNCTION__,
+ buff, (unsigned long)len, more ? ", more" : "");
/* Lacking a CORK or MSG_MORE facility (such as GnuTLS has) we copy data when
"more" is notified. This hack is only ok if small amounts are involved AND only
if (is_server && (more || corked))
{
- corked = string_catn(corked, &c_size, &c_len, buff, len);
+ corked = string_catn(corked, buff, len);
if (more)
return len;
- buff = CUS corked;
- len = c_len;
- corked = NULL; c_size = c_len = 0;
+ buff = CUS corked->s;
+ len = corked->ptr;
+ corked = NULL;
}
for (left = len; left > 0;)
gettimeofday(&r.tv, NULL);
r.p = getpid();
- RAND_seed((uschar *)(&r), sizeof(r));
+ RAND_seed(US (&r), sizeof(r));
}
/* We're after pseudo-random, not random; if we still don't have enough data
in the internal PRNG then our options are limited. We could sleep and hope
projects / exim.git / blobdiff