NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <openssl/x509v3.h>
-#include <openssl/ssl.h>
-#include <openssl/err.h>
-#include <openssl/safestack.h>
#include <string.h>
+#include <stdlib.h>
#include "conf.h"
#include "log.h"
#include "ssl.h"
+#ifdef USE_POLARSSL
+/*
+ * PolarSSL interface
+ */
+
+#include <polarssl/havege.h>
+#include <polarssl/certs.h>
+#include <polarssl/x509.h>
+#include <polarssl/ssl.h>
+#include <polarssl/net.h>
+
+#define CA_CRT_FILENAME "ca.crt"
+
+int ciphers[] =
+{
+ SSL_EDH_RSA_AES_256_SHA,
+ SSL_EDH_RSA_CAMELLIA_256_SHA,
+ SSL_EDH_RSA_DES_168_SHA,
+ SSL_RSA_AES_256_SHA,
+ SSL_RSA_CAMELLIA_256_SHA,
+ SSL_RSA_AES_128_SHA,
+ SSL_RSA_CAMELLIA_128_SHA,
+ SSL_RSA_DES_168_SHA,
+ SSL_RSA_RC4_128_SHA,
+ SSL_RSA_RC4_128_MD5,
+ 0
+};
+static x509_cert certificate;
+static rsa_context key;
+havege_state hs; /* exported to crypt.c */
+
+/* DH prime */
+char *my_dhm_P =
+ "9CE85640903BF123906947FEDE767261" \
+ "D9B4A973EB8F7D984A8C656E2BCC161C" \
+ "183D4CA471BA78225F940F16D1D99CA3" \
+ "E66152CC68EDCE1311A390F307741835" \
+ "44FF6AB553EC7073AD0CB608F2A3B480" \
+ "19E6C02BCED40BD30E91BB2469089670" \
+ "DEF409C08E8AC24D1732A6128D2220DC53";
+char *my_dhm_G = "4";
+
+static void initCert()
+{
+ int rc;
+ char *crtfile = (char *)getStrConf(CERTIFICATE);
+ char *ca_file, *p;
+
+ if (crtfile == NULL)
+ Log_fatal("No certificate file specified");
+ rc = x509parse_crtfile(&certificate, crtfile);
+ if (rc != 0)
+ Log_fatal("Could not read certificate file %s", crtfile);
+
+ /* Look for CA certificate file in same dir */
+ ca_file = malloc(strlen(crtfile) + strlen(CA_CRT_FILENAME) + 1);
+ strcpy(ca_file, crtfile);
+ p = strrchr(ca_file, '/');
+ if (p != NULL)
+ strcpy(p + 1, CA_CRT_FILENAME);
+ else
+ strcpy(ca_file, CA_CRT_FILENAME);
+
+ rc = x509parse_crtfile(&certificate, ca_file);
+ if (rc != 0) { /* No CA certifiacte found. Assume self-signed. */
+ Log_info("CA certificate file %s not found. Assuming self-signed certificate.", ca_file);
+ /*
+ * Apparently PolarSSL needs to read something more into certificate chain.
+ * Doesn't seem to matter what. Read own certificate again.
+ */
+ rc = x509parse_crtfile(&certificate, crtfile);
+ if (rc != 0)
+ Log_fatal("Could not read certificate file %s", crtfile);
+ }
+}
+
+static void initKey()
+{
+ int rc;
+ char *keyfile = (char *)getStrConf(KEY);
+
+ if (keyfile == NULL)
+ Log_fatal("No key file specified");
+ rc = x509parse_keyfile(&key, keyfile, NULL);
+ if (rc != 0)
+ Log_fatal("Could not read RSA key file %s", keyfile);
+}
+
+#define DEBUG_LEVEL 0
+static void pssl_debug(void *ctx, int level, char *str)
+{
+ if (level <= DEBUG_LEVEL)
+ Log_debug("PolarSSL [level %d]: %s", level, str);
+}
+
+void SSLi_init(void)
+{
+ initCert();
+ initKey();
+ havege_init(&hs);
+ Log_info("PolarSSL library initialized");
+}
+
+void SSLi_deinit(void)
+{
+ x509_free(&certificate);
+ rsa_free(&key);
+}
+
+SSL_handle_t *SSLi_newconnection(int *fd, bool_t *SSLready)
+{
+ ssl_context *ssl;
+ ssl_session *ssn;
+ int rc;
+
+ ssl = malloc(sizeof(ssl_context));
+ ssn = malloc(sizeof(ssl_session));
+ if (!ssl || !ssn)
+ Log_fatal("Out of memory");
+ memset(ssl, 0, sizeof(ssl_context));
+ memset(ssn, 0, sizeof(ssl_session));
+
+ rc = ssl_init(ssl);
+ if (rc != 0 )
+ Log_fatal("Failed to initalize: %d", rc);
+
+ ssl_set_endpoint(ssl, SSL_IS_SERVER);
+ ssl_set_authmode(ssl, SSL_VERIFY_OPTIONAL);
+
+ ssl_set_rng(ssl, havege_rand, &hs);
+ ssl_set_dbg(ssl, pssl_debug, NULL);
+ ssl_set_bio(ssl, net_recv, fd, net_send, fd);
+
+ ssl_set_ciphers(ssl, ciphers);
+ ssl_set_session(ssl, 0, 0, ssn);
+
+ ssl_set_ca_chain(ssl, certificate.next, NULL, NULL);
+ ssl_set_own_cert(ssl, &certificate, &key);
+ ssl_set_dh_param(ssl, my_dhm_P, my_dhm_G);
+
+ return ssl;
+}
+
+int SSLi_nonblockaccept(SSL_handle_t *ssl, bool_t *SSLready)
+{
+ int rc;
+
+ rc = ssl_handshake(ssl);
+ if (rc != 0) {
+ if (rc == POLARSSL_ERR_NET_TRY_AGAIN) {
+ return 0;
+ } else {
+ Log_warn("SSL handshake failed: %d", rc);
+ return -1;
+ }
+ }
+ *SSLready = true;
+ return 0;
+}
+
+int SSLi_read(SSL_handle_t *ssl, uint8_t *buf, int len)
+{
+ int rc;
+ rc = ssl_read(ssl, buf, len);
+ if (rc == POLARSSL_ERR_NET_TRY_AGAIN)
+ return SSLI_ERROR_WANT_READ;
+ return rc;
+}
+
+int SSLi_write(SSL_handle_t *ssl, uint8_t *buf, int len)
+{
+ int rc;
+ rc = ssl_write(ssl, buf, len);
+ if (rc == POLARSSL_ERR_NET_TRY_AGAIN)
+ return SSLI_ERROR_WANT_WRITE;
+ return rc;
+}
+
+int SSLi_get_error(SSL_handle_t *ssl, int code)
+{
+ return code;
+}
+
+bool_t SSLi_data_pending(SSL_handle_t *ssl)
+{
+ return ssl_get_bytes_avail(ssl) > 0;
+}
+
+void SSLi_shutdown(SSL_handle_t *ssl)
+{
+ ssl_close_notify(ssl);
+}
+
+void SSLi_free(SSL_handle_t *ssl)
+{
+ free(ssl->session);
+ free(ssl);
+}
+
+#else
+/*
+ * OpenSSL interface
+ */
+
+#include <openssl/x509v3.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/safestack.h>
static X509 *x509;
static RSA *rsa;
static SSL_CTX *context;
return rsa;
}
-void SSL_writecert(char *certfile, X509 *x509)
+static void SSL_writecert(char *certfile, X509 *x509)
{
FILE *fp;
BIO *err_output;
fclose(fp);
}
-void SSL_writekey(char *keyfile, RSA *rsa)
+static void SSL_writekey(char *keyfile, RSA *rsa)
{
FILE *fp;
BIO *err_output;
fclose(fp);
}
-void SSL_initializeCert() {
+static void SSL_initializeCert() {
char *crt, *key, *pass;
crt = (char *)getStrConf(CERTIFICATE);
}
-void SSL_getdigest(char *s, int l)
-{
- unsigned char md[EVP_MAX_MD_SIZE];
- unsigned int n;
- int j;
-
- if (!X509_digest (x509, EVP_md5(), md, &n))
- {
- snprintf (s, l, "[unable to calculate]");
- }
- else
- {
- for (j = 0; j < (int) n; j++)
- {
- char ch[8];
- snprintf(ch, 8, "%02X%s", md[j], (j % 2 ? " " : ""));
- strcat(s, ch);
- }
- }
-}
-
-void SSL_init(void)
+void SSLi_init(void)
{
const SSL_METHOD *method;
SSL *ssl;
SSL_free(ssl);
+ Log_info("OpenSSL library initialized");
+
}
-void SSL_deinit(void)
+void SSLi_deinit(void)
{
SSL_CTX_free(context);
EVP_cleanup();
}
-int SSL_nonblockaccept(SSL *ssl, bool_t *SSLready)
+int SSLi_nonblockaccept(SSL_handle_t *ssl, bool_t *SSLready)
{
int rc;
rc = SSL_accept(ssl);
return 0;
}
-SSL *SSL_newconnection(int fd, bool_t *SSLready)
+SSL_handle_t *SSLi_newconnection(int *fd, bool_t *SSLready)
{
SSL *ssl;
*SSLready = false;
ssl = SSL_new(context);
- SSL_set_fd(ssl, fd);
- if (SSL_nonblockaccept(ssl, SSLready) < 0) {
+ SSL_set_fd(ssl, *fd);
+ if (SSLi_nonblockaccept(ssl, SSLready) < 0) {
SSL_free(ssl);
return NULL;
}
return ssl;
}
-void SSL_closeconnection(SSL *ssl)
+void SSLi_closeconnection(SSL_handle_t *ssl)
{
SSL_free(ssl);
}
+void SSLi_shutdown(SSL_handle_t *ssl)
+{
+ SSL_shutdown(ssl);
+}
+int SSLi_read(SSL_handle_t *ssl, uint8_t *buf, int len)
+{
+ return SSL_read(ssl, buf, len);
+}
+
+int SSLi_write(SSL_handle_t *ssl, uint8_t *buf, int len)
+{
+ return SSL_write(ssl, buf, len);
+}
+
+int SSLi_get_error(SSL_handle_t *ssl, int code)
+{
+ return SSL_get_error(ssl, code);
+}
+
+bool_t SSLi_data_pending(SSL_handle_t *ssl)
+{
+ return SSL_pending(ssl);
+}
+
+void SSLi_free(SSL_handle_t *ssl)
+{
+ SSL_free(ssl);
+}
+
+#endif
projects / umurmur.git / blobdiff