OpenSSL 1.1.1-pre2

crypto/x509v3/v3_asid.c

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -11,6 +11,7 @@
  * Implementation of RFC 3779 section 3.2.
  */
 
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
 #include "internal/cryptlib.h"
@@ -123,13 +124,13 @@ static int ASIdOrRange_cmp(const ASIdOrRange *const *a_,
 {
     const ASIdOrRange *a = *a_, *b = *b_;
 
-    OPENSSL_assert((a->type == ASIdOrRange_id && a->u.id != NULL) ||
-                   (a->type == ASIdOrRange_range && a->u.range != NULL &&
-                    a->u.range->min != NULL && a->u.range->max != NULL));
+    assert((a->type == ASIdOrRange_id && a->u.id != NULL) ||
+           (a->type == ASIdOrRange_range && a->u.range != NULL &&
+            a->u.range->min != NULL && a->u.range->max != NULL));
 
-    OPENSSL_assert((b->type == ASIdOrRange_id && b->u.id != NULL) ||
-                   (b->type == ASIdOrRange_range && b->u.range != NULL &&
-                    b->u.range->min != NULL && b->u.range->max != NULL));
+    assert((b->type == ASIdOrRange_id && b->u.id != NULL) ||
+           (b->type == ASIdOrRange_range && b->u.range != NULL &&
+            b->u.range->min != NULL && b->u.range->max != NULL));
 
     if (a->type == ASIdOrRange_id && b->type == ASIdOrRange_id)
         return ASN1_INTEGER_cmp(a->u.id, b->u.id);
@@ -167,7 +168,6 @@ int X509v3_asid_add_inherit(ASIdentifiers *asid, int which)
     if (*choice == NULL) {
         if ((*choice = ASIdentifierChoice_new()) == NULL)
             return 0;
-        OPENSSL_assert((*choice)->u.inherit == NULL);
         if (((*choice)->u.inherit = ASN1_NULL_new()) == NULL)
             return 0;
         (*choice)->type = ASIdentifierChoice_inherit;
@@ -200,7 +200,6 @@ int X509v3_asid_add_id_or_range(ASIdentifiers *asid,
     if (*choice == NULL) {
         if ((*choice = ASIdentifierChoice_new()) == NULL)
             return 0;
-        OPENSSL_assert((*choice)->u.asIdsOrRanges == NULL);
         (*choice)->u.asIdsOrRanges = sk_ASIdOrRange_new(ASIdOrRange_cmp);
         if ((*choice)->u.asIdsOrRanges == NULL)
             return 0;
@@ -232,20 +231,23 @@ int X509v3_asid_add_id_or_range(ASIdentifiers *asid,
 /*
  * Extract min and max values from an ASIdOrRange.
  */
-static void extract_min_max(ASIdOrRange *aor,
-                            ASN1_INTEGER **min, ASN1_INTEGER **max)
+static int extract_min_max(ASIdOrRange *aor,
+                           ASN1_INTEGER **min, ASN1_INTEGER **max)
 {
-    OPENSSL_assert(aor != NULL && min != NULL && max != NULL);
+    if (!ossl_assert(aor != NULL))
+        return 0;
     switch (aor->type) {
     case ASIdOrRange_id:
         *min = aor->u.id;
         *max = aor->u.id;
-        return;
+        return 1;
     case ASIdOrRange_range:
         *min = aor->u.range->min;
         *max = aor->u.range->max;
-        return;
+        return 1;
     }
+
+    return 0;
 }
 
 /*
@@ -279,8 +281,9 @@ static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice)
         ASN1_INTEGER *a_min = NULL, *a_max = NULL, *b_min = NULL, *b_max =
             NULL;
 
-        extract_min_max(a, &a_min, &a_max);
-        extract_min_max(b, &b_min, &b_max);
+        if (!extract_min_max(a, &a_min, &a_max)
+                || !extract_min_max(b, &b_min, &b_max))
+            goto done;
 
         /*
          * Punt misordered list, overlapping start, or inverted range.
@@ -318,8 +321,8 @@ static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice)
         ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);
         ASN1_INTEGER *a_min, *a_max;
         if (a != NULL && a->type == ASIdOrRange_range) {
-            extract_min_max(a, &a_min, &a_max);
-            if (ASN1_INTEGER_cmp(a_min, a_max) > 0)
+            if (!extract_min_max(a, &a_min, &a_max)
+                    || ASN1_INTEGER_cmp(a_min, a_max) > 0)
                 goto done;
         }
     }
@@ -382,13 +385,15 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice)
         ASN1_INTEGER *a_min = NULL, *a_max = NULL, *b_min = NULL, *b_max =
             NULL;
 
-        extract_min_max(a, &a_min, &a_max);
-        extract_min_max(b, &b_min, &b_max);
+        if (!extract_min_max(a, &a_min, &a_max)
+                || !extract_min_max(b, &b_min, &b_max))
+            goto done;
 
         /*
          * Make sure we're properly sorted (paranoia).
          */
-        OPENSSL_assert(ASN1_INTEGER_cmp(a_min, b_min) <= 0);
+        if (!ossl_assert(ASN1_INTEGER_cmp(a_min, b_min) <= 0))
+            goto done;
 
         /*
          * Punt inverted ranges.
@@ -464,13 +469,15 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice)
         ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i);
         ASN1_INTEGER *a_min, *a_max;
         if (a != NULL && a->type == ASIdOrRange_range) {
-            extract_min_max(a, &a_min, &a_max);
-            if (ASN1_INTEGER_cmp(a_min, a_max) > 0)
+            if (!extract_min_max(a, &a_min, &a_max)
+                    || ASN1_INTEGER_cmp(a_min, a_max) > 0)
                 goto done;
         }
     }
 
-    OPENSSL_assert(ASIdentifierChoice_is_canonical(choice)); /* Paranoia */
+    /* Paranoia */
+    if (!ossl_assert(ASIdentifierChoice_is_canonical(choice)))
+        goto done;
 
     ret = 1;
 
@@ -655,11 +662,14 @@ static int asid_contains(ASIdOrRanges *parent, ASIdOrRanges *child)
 
     p = 0;
     for (c = 0; c < sk_ASIdOrRange_num(child); c++) {
-        extract_min_max(sk_ASIdOrRange_value(child, c), &c_min, &c_max);
+        if (!extract_min_max(sk_ASIdOrRange_value(child, c), &c_min, &c_max))
+            return 0;
         for (;; p++) {
             if (p >= sk_ASIdOrRange_num(parent))
                 return 0;
-            extract_min_max(sk_ASIdOrRange_value(parent, p), &p_min, &p_max);
+            if (!extract_min_max(sk_ASIdOrRange_value(parent, p), &p_min,
+                                 &p_max))
+                return 0;
             if (ASN1_INTEGER_cmp(p_max, c_max) < 0)
                 continue;
             if (ASN1_INTEGER_cmp(p_min, c_min) > 0)
@@ -715,9 +725,14 @@ static int asid_validate_path_internal(X509_STORE_CTX *ctx,
     int i, ret = 1, inherit_as = 0, inherit_rdi = 0;
     X509 *x;
 
-    OPENSSL_assert(chain != NULL && sk_X509_num(chain) > 0);
-    OPENSSL_assert(ctx != NULL || ext != NULL);
-    OPENSSL_assert(ctx == NULL || ctx->verify_cb != NULL);
+    if (!ossl_assert(chain != NULL && sk_X509_num(chain) > 0)
+            || !ossl_assert(ctx != NULL || ext != NULL)
+            || !ossl_assert(ctx == NULL || ctx->verify_cb != NULL)) {
+        if (ctx != NULL)
+            ctx->error = X509_V_ERR_UNSPECIFIED;
+        return 0;
+    }
+
 
     /*
      * Figure out where to start.  If we don't have an extension to
@@ -730,7 +745,6 @@ static int asid_validate_path_internal(X509_STORE_CTX *ctx,
     } else {
         i = 0;
         x = sk_X509_value(chain, i);
-        OPENSSL_assert(x != NULL);
         if ((ext = x->rfc3779_asid) == NULL)
             goto done;
     }
@@ -763,7 +777,11 @@ static int asid_validate_path_internal(X509_STORE_CTX *ctx,
      */
     for (i++; i < sk_X509_num(chain); i++) {
         x = sk_X509_value(chain, i);
-        OPENSSL_assert(x != NULL);
+        if (!ossl_assert(x != NULL)) {
+            if (ctx != NULL)
+                ctx->error = X509_V_ERR_UNSPECIFIED;
+            return 0;
+        }
         if (x->rfc3779_asid == NULL) {
             if (child_as != NULL || child_rdi != NULL)
                 validation_err(X509_V_ERR_UNNESTED_RESOURCE);
@@ -809,7 +827,11 @@ static int asid_validate_path_internal(X509_STORE_CTX *ctx,
     /*
      * Trust anchor can't inherit.
      */
-    OPENSSL_assert(x != NULL);
+    if (!ossl_assert(x != NULL)) {
+        if (ctx != NULL)
+            ctx->error = X509_V_ERR_UNSPECIFIED;
+        return 0;
+    }
     if (x->rfc3779_asid != NULL) {
         if (x->rfc3779_asid->asnum != NULL &&
             x->rfc3779_asid->asnum->type == ASIdentifierChoice_inherit)
@@ -830,6 +852,12 @@ static int asid_validate_path_internal(X509_STORE_CTX *ctx,
  */
 int X509v3_asid_validate_path(X509_STORE_CTX *ctx)
 {
+    if (ctx->chain == NULL
+            || sk_X509_num(ctx->chain) == 0
+            || ctx->verify_cb == NULL) {
+        ctx->error = X509_V_ERR_UNSPECIFIED;
+        return 0;
+    }
     return asid_validate_path_internal(ctx, ctx->chain, NULL);
 }