PKCS#8 support for alternative PRFs.
[openssl.git] / ssl / ssl_cert.c
index 9d77ef7..2c66460 100644 (file)
@@ -602,11 +602,51 @@ int ssl_cert_add1_chain_cert(CERT *c, X509 *x)
 int ssl_cert_select_current(CERT *c, X509 *x)
        {
        int i;
+       if (x == NULL)
+               return 0;
+       for (i = 0; i < SSL_PKEY_NUM; i++)
+               {
+               CERT_PKEY *cpk = c->pkeys + i;
+               if (cpk->x509 == x && cpk->privatekey)
+                       {
+                       c->key = cpk;
+                       return 1;
+                       }
+               }
+
        for (i = 0; i < SSL_PKEY_NUM; i++)
                {
-               if (c->pkeys[i].x509 == x)
+               CERT_PKEY *cpk = c->pkeys + i;
+               if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x))
+                       {
+                       c->key = cpk;
+                       return 1;
+                       }
+               }
+       return 0;
+       }
+
+int ssl_cert_set_current(CERT *c, long op)
+       {
+       int i, idx;
+       if (!c)
+               return 0;
+       if (op == SSL_CERT_SET_FIRST)
+               idx = 0;
+       else if (op == SSL_CERT_SET_NEXT)
+               {
+               idx = (int)(c->key - c->pkeys + 1);
+               if (idx >= SSL_PKEY_NUM)
+                       return 0;
+               }
+       else
+               return 0;
+       for (i = idx; i < SSL_PKEY_NUM; i++)
+               {
+               CERT_PKEY *cpk = c->key + i;
+               if (cpk->x509 && cpk->privatekey)
                        {
-                       c->key = &c->pkeys[i];
+                       c->key = cpk;
                        return 1;
                        }
                }
@@ -1158,37 +1198,65 @@ int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags)
        X509_STORE_CTX xs_ctx;
        STACK_OF(X509) *chain = NULL, *untrusted = NULL;
        X509 *x;
-       int i;
+       int i, rv = 0;
 
        if (!cpk->x509)
                {
                SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET);
-               return 0;
+               goto err;
                }
+       /* Rearranging and check the chain: add everything to a store */
+       if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
+               {
+               chain_store = X509_STORE_new();
+               if (!chain_store)
+                       goto err;
+               for (i = 0; i < sk_X509_num(cpk->chain); i++)
+                       {
+                       x = sk_X509_value(cpk->chain, i);
+                       if (!X509_STORE_add_cert(chain_store, x))
+                               goto err;
+                       }
+               /* Add EE cert too: it might be self signed */
+               if (!X509_STORE_add_cert(chain_store, cpk->x509))
+                       goto err;
+               }
+       else
+               {
+               if (c->chain_store)
+                       chain_store = c->chain_store;
 
-       if (c->chain_store)
-               chain_store = c->chain_store;
-
-       if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED)
-               untrusted = cpk->chain;
+               if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED)
+                       untrusted = cpk->chain;
+               }
 
        if (!X509_STORE_CTX_init(&xs_ctx, chain_store, cpk->x509, untrusted))
                {
                SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_X509_LIB);
-               return 0;
+               goto err;
                }
        /* Set suite B flags if needed */
        X509_STORE_CTX_set_flags(&xs_ctx, c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS);
 
        i = X509_verify_cert(&xs_ctx);
+       if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR)
+               {
+               ERR_clear_error();
+               i = 1;
+               }
        if (i > 0)
                chain = X509_STORE_CTX_get1_chain(&xs_ctx);
-       X509_STORE_CTX_cleanup(&xs_ctx);
        if (i <= 0)
                {
                SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_CERTIFICATE_VERIFY_FAILED);
-               return 0;
+               i = X509_STORE_CTX_get_error(&xs_ctx);
+               ERR_add_error_data(2, "Verify error:",
+                                       X509_verify_cert_error_string(i));
+
+               X509_STORE_CTX_cleanup(&xs_ctx);
+               goto err;
                }
+       X509_STORE_CTX_cleanup(&xs_ctx);
        if (cpk->chain)
                sk_X509_pop_free(cpk->chain, X509_free);
        /* Remove EE certificate from chain */
@@ -1196,12 +1264,25 @@ int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags)
        X509_free(x);
        if (flags & SSL_BUILD_CHAIN_FLAG_NO_ROOT)
                {
-               x = sk_X509_pop(chain);
-               X509_free(x);
+               if (sk_X509_num(chain) > 0)
+                       {
+                       /* See if last cert is self signed */
+                       x = sk_X509_value(chain, sk_X509_num(chain) - 1);
+                       X509_check_purpose(x, -1, 0);
+                       if (x->ex_flags & EXFLAG_SS)
+                               {
+                               x = sk_X509_pop(chain);
+                               X509_free(x);
+                               }
+                       }
                }
        cpk->chain = chain;
+       rv = 1;
+       err:
+       if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
+               X509_STORE_free(chain_store);
 
-       return 1;
+       return rv;
        }
 
 int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref)