* [including the GNU Public Licence.]
*/
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <errno.h>
-#include <limits.h>
#include "openssl/e_os.h"
# define TEST_CLIENT_CERT "../apps/client.pem"
#endif
-int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
+static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
#ifndef NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
#endif
#ifndef NO_DH
static DH *get_dh512(void);
#endif
-BIO *bio_err=NULL;
-BIO *bio_stdout=NULL;
+static BIO *bio_err=NULL;
+static BIO *bio_stdout=NULL;
static char *cipher=NULL;
-int verbose=0;
-int debug=0;
+static int verbose=0;
+static int debug=0;
#if 0
/* Not used yet. */
#ifdef FIONBIO
fprintf(stderr," -reuse - use session-id reuse\n");
fprintf(stderr," -num <val> - number of connections to perform\n");
fprintf(stderr," -bytes <val> - number of bytes to swap between client/server\n");
+#if !defined NO_DH && !defined NO_DSA
+ fprintf(stderr," -dhe1024 - generate 1024 bit key for DHE\n");
+#endif
+#if !defined NO_DH
+ fprintf(stderr," -no_dhe - disable DHE\n");
+#endif
#ifndef NO_SSL2
fprintf(stderr," -ssl2 - use SSLv2\n");
#endif
int number=1,reuse=0;
long bytes=1L;
SSL_CIPHER *ciph;
+ int dhe1024 = 0, no_dhe = 0;
#ifndef NO_DH
DH *dh;
#endif
+ verbose = 0;
+ debug = 0;
+ cipher = 0;
+
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
-
argc--;
argv++;
debug=1;
else if (strcmp(*argv,"-reuse") == 0)
reuse=1;
+ else if (strcmp(*argv,"-dhe1024") == 0)
+ dhe1024=1;
+ else if (strcmp(*argv,"-no_dhe") == 0)
+ no_dhe=1;
else if (strcmp(*argv,"-ssl2") == 0)
ssl2=1;
else if (strcmp(*argv,"-tls1") == 0)
}
#ifndef NO_DH
- dh=get_dh512();
- SSL_CTX_set_tmp_dh(s_ctx,dh);
- DH_free(dh);
+ if (!no_dhe)
+ {
+# ifndef NO_DSA
+ if (dhe1024)
+ {
+ DSA *dsa;
+ unsigned char seed[20];
+
+ if (verbose)
+ {
+ fprintf(stdout, "Creating 1024 bit DHE parameters ...");
+ fflush(stdout);
+ }
+
+ memcpy(seed, "Random String no. 12", 20);
+ dsa = DSA_generate_parameters(1024, seed, 20, NULL, NULL, 0, NULL);
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ /* important: SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
+ SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
+
+ if (verbose)
+ fprintf(stdout, " done\n");
+ }
+ else
+# endif
+ dh=get_dh512();
+ SSL_CTX_set_tmp_dh(s_ctx,dh);
+ DH_free(dh);
+ }
#endif
#ifndef NO_RSA
ERR_remove_state(0);
EVP_cleanup();
CRYPTO_mem_leaks(bio_err);
+ if (bio_err != NULL) BIO_free(bio_err);
EXIT(ret);
}
* BIO pairs are symmetric. A BIO pair behaves similar
* to a non-blocking socketpair (but both endpoints must
* be handled by the same thread).
+ * [Here we could connect client and server to the ends
+ * of a single BIO pair, but then this code would be less
+ * suitable as an example for BIO pairs in general.]
*
* Useful functions for querying the state of BIO pair endpoints:
*
else
i = (int)cw_num;
r = BIO_write(c_ssl_bio, cbuf, i);
- if (r == -1)
+ if (r < 0)
{
if (!BIO_should_retry(c_ssl_bio))
{
else
i = (int)sw_num;
r = BIO_write(s_ssl_bio, sbuf, i);
- if (r == -1)
+ if (r < 0)
{
if (!BIO_should_retry(s_ssl_bio))
{
{
/* "I/O" BETWEEN CLIENT AND SERVER. */
-#define RELAYBUFSIZ 200
- static char buf[RELAYBUFSIZ];
-
- /* RELAYBUF is arbitrary. When writing data over some real
- * network, use a buffer of the same size as in the BIO_pipe
- * and make that size large (for reading from the network
- * small buffers usually won't hurt).
- * Here sizes differ for testing. */
-
size_t r1, r2;
- size_t num;
- int r;
+ BIO *io1 = server_io, *io2 = client_io;
+ /* we use the non-copying interface for io1
+ * and the standard BIO_write/BIO_read interface for io2
+ */
+
static int prev_progress = 1;
int progress = 0;
- /* client to server */
+ /* io1 to io2 */
do
{
- r1 = BIO_ctrl_pending(client_io);
- r2 = BIO_ctrl_get_write_guarantee(server_io);
+ size_t num;
+ int r;
+
+ r1 = BIO_ctrl_pending(io1);
+ r2 = BIO_ctrl_get_write_guarantee(io2);
num = r1;
if (r2 < num)
num = r2;
if (num)
{
- if (sizeof buf < num)
- num = sizeof buf;
+ char *dataptr;
+
if (INT_MAX < num) /* yeah, right */
num = INT_MAX;
- r = BIO_read(client_io, buf, (int)num);
- if (r != (int)num) /* can't happen */
- {
- fprintf(stderr, "ERROR: BIO_read could not read "
- "BIO_ctrl_pending() bytes");
- goto err;
- }
- r = BIO_write(server_io, buf, (int)num);
+ r = BIO_nread(io1, &dataptr, (int)num);
+ assert(r > 0);
+ assert(r <= (int)num);
+ /* possibly r < num (non-contiguous data) */
+ num = r;
+ r = BIO_write(io2, dataptr, (int)num);
if (r != (int)num) /* can't happen */
{
fprintf(stderr, "ERROR: BIO_write could not write "
progress = 1;
if (debug)
- printf("C->S relaying: %d bytes\n", (int)num);
+ printf((io1 == client_io) ?
+ "C->S relaying: %d bytes\n" :
+ "S->C relaying: %d bytes\n",
+ (int)num);
}
}
while (r1 && r2);
- /* server to client */
- do
- {
- r1 = BIO_ctrl_pending(server_io);
- r2 = BIO_ctrl_get_write_guarantee(client_io);
-
+ /* io2 to io1 */
+ {
+ size_t num;
+ int r;
+
+ r1 = BIO_ctrl_pending(io2);
+ r2 = BIO_ctrl_get_read_request(io1);
+ /* here we could use ..._get_write_guarantee instead of
+ * ..._get_read_request, but by using the latter
+ * we test restartability of the SSL implementation
+ * more thoroughly */
num = r1;
if (r2 < num)
num = r2;
if (num)
{
- if (sizeof buf < num)
- num = sizeof buf;
+ char *dataptr;
+
if (INT_MAX < num)
num = INT_MAX;
+
+ if (num > 1)
+ --num; /* test restartability even more thoroughly */
- r = BIO_read(server_io, buf, (int)num);
+ r = BIO_nwrite(io1, &dataptr, (int)num);
+ assert(r > 0);
+ assert(r <= (int)num);
+ num = r;
+ r = BIO_read(io2, dataptr, (int)num);
if (r != (int)num) /* can't happen */
{
fprintf(stderr, "ERROR: BIO_read could not read "
"BIO_ctrl_pending() bytes");
goto err;
}
- r = BIO_write(client_io, buf, (int)num);
- if (r != (int)num) /* can't happen */
- {
- fprintf(stderr, "ERROR: BIO_write could not write "
- "BIO_ctrl_get_write_guarantee() bytes");
- goto err;
- }
progress = 1;
-
+
if (debug)
- printf("S->C relaying: %d bytes\n", (int)num);
+ printf((io2 == client_io) ?
+ "C->S relaying: %d bytes\n" :
+ "S->C relaying: %d bytes\n",
+ (int)num);
}
- }
- while (r1 && r2);
+ } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
if (!progress && !prev_progress)
if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
return(ret);
}
-int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
+static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
{
char *s,buf[256];
projects / openssl.git / blobdiff