From: Richard Levitte <levitte@openssl.org>
Date: Thu, 13 Dec 2018 07:19:08 +0000 (+0100)
Subject: Adapt OPENSSL_POLICY_DEBUG to the new generic trace API
X-Git-Tag: openssl-3.0.0-alpha1~2429
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b9ce85f631cf376cd781fd3dfdc80e927d88ee77;p=oweals%2Fopenssl.git

Adapt OPENSSL_POLICY_DEBUG to the new generic trace API

Co-authored-by: Dr. Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8198)
---

diff --git a/crypto/trace.c b/crypto/trace.c
index b08e8eb987..8020a58e68 100644
--- a/crypto/trace.c
+++ b/crypto/trace.c
@@ -128,6 +128,7 @@ static const struct trace_category_st trace_categories[] = {
     TRACE_CATEGORY_(ENGINE_REF_COUNT),
     TRACE_CATEGORY_(PKCS5V2),
     TRACE_CATEGORY_(PKCS12_KEYGEN),
+    TRACE_CATEGORY_(X509V3_POLICY),
 };
 
 const char *OSSL_trace_get_category_name(int num)
diff --git a/crypto/x509v3/pcy_tree.c b/crypto/x509v3/pcy_tree.c
index 860e4bf5fe..0c5887c25a 100644
--- a/crypto/x509v3/pcy_tree.c
+++ b/crypto/x509v3/pcy_tree.c
@@ -8,76 +8,71 @@
  */
 
 #include "internal/cryptlib.h"
+#include <openssl/trace.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 
 #include "pcy_int.h"
 
-/*
- * Enable this to print out the complete policy tree at various point during
- * evaluation.
- */
-
-/*
- * #define OPENSSL_POLICY_DEBUG
- */
-
-#ifdef OPENSSL_POLICY_DEBUG
-
-static void expected_print(BIO *err, X509_POLICY_LEVEL *lev,
-                           X509_POLICY_NODE *node, int indent)
+static void expected_print(BIO *channel,
+                           X509_POLICY_LEVEL *lev, X509_POLICY_NODE *node,
+                           int indent)
 {
     if ((lev->flags & X509_V_FLAG_INHIBIT_MAP)
         || !(node->data->flags & POLICY_DATA_FLAG_MAP_MASK))
-        BIO_puts(err, "  Not Mapped\n");
+        BIO_puts(channel, "  Not Mapped\n");
     else {
         int i;
+
         STACK_OF(ASN1_OBJECT) *pset = node->data->expected_policy_set;
         ASN1_OBJECT *oid;
-        BIO_puts(err, "  Expected: ");
+        BIO_puts(channel, "  Expected: ");
         for (i = 0; i < sk_ASN1_OBJECT_num(pset); i++) {
             oid = sk_ASN1_OBJECT_value(pset, i);
             if (i)
-                BIO_puts(err, ", ");
-            i2a_ASN1_OBJECT(err, oid);
+                BIO_puts(channel, ", ");
+            i2a_ASN1_OBJECT(channel, oid);
         }
-        BIO_puts(err, "\n");
+        BIO_puts(channel, "\n");
     }
 }
 
-static void tree_print(char *str, X509_POLICY_TREE *tree,
+static void tree_print(BIO *channel,
+                       char *str, X509_POLICY_TREE *tree,
                        X509_POLICY_LEVEL *curr)
 {
-    BIO *err = BIO_new_fp(stderr, BIO_NOCLOSE);
     X509_POLICY_LEVEL *plev;
 
-    if (err == NULL)
-        return;
     if (!curr)
         curr = tree->levels + tree->nlevel;
     else
         curr++;
 
-    BIO_printf(err, "Level print after %s\n", str);
-    BIO_printf(err, "Printing Up to Level %ld\n", curr - tree->levels);
+    BIO_printf(channel, "Level print after %s\n", str);
+    BIO_printf(channel, "Printing Up to Level %ld\n",
+               curr - tree->levels);
     for (plev = tree->levels; plev != curr; plev++) {
         int i;
 
-        BIO_printf(err, "Level %ld, flags = %x\n",
+        BIO_printf(channel, "Level %ld, flags = %x\n",
                    (long)(plev - tree->levels), plev->flags);
         for (i = 0; i < sk_X509_POLICY_NODE_num(plev->nodes); i++) {
-            X509_POLICY_NODE *node = sk_X509_POLICY_NODE_value(plev->nodes, i);
+            X509_POLICY_NODE *node =
+                sk_X509_POLICY_NODE_value(plev->nodes, i);
 
-            X509_POLICY_NODE_print(err, node, 2);
-            expected_print(err, plev, node, 2);
-            BIO_printf(err, "  Flags: %x\n", node->data->flags);
+            X509_POLICY_NODE_print(channel, node, 2);
+            expected_print(channel, plev, node, 2);
+            BIO_printf(channel, "  Flags: %x\n", node->data->flags);
         }
         if (plev->anyPolicy)
-            X509_POLICY_NODE_print(err, plev->anyPolicy, 2);
+            X509_POLICY_NODE_print(channel, plev->anyPolicy, 2);
     }
-    BIO_free(err);
 }
-#endif
+
+#define TREE_PRINT(str, tree, curr) \
+    OSSL_TRACE_BEGIN(X509V3_POLICY) { \
+        tree_print(trc_out, "before tree_prune()", tree, curr); \
+    } OSSL_TRACE_END(X509V3_POLICY)
 
 /*-
  * Return value: <= 0 on error, or positive bit mask:
@@ -588,9 +583,7 @@ static int tree_evaluate(X509_POLICY_TREE *tree)
         if (!(curr->flags & X509_V_FLAG_INHIBIT_ANY)
             && !tree_link_any(curr, cache, tree))
             return X509_PCY_TREE_INTERNAL;
-#ifdef OPENSSL_POLICY_DEBUG
-        tree_print("before tree_prune()", tree, curr);
-#endif
+        TREE_PRINT("before tree_prune()", tree, curr);
         ret = tree_prune(tree, curr);
         if (ret != X509_PCY_TREE_VALID)
             return ret;
@@ -665,9 +658,7 @@ int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
     }
 
     ret = tree_evaluate(tree);
-#ifdef OPENSSL_POLICY_DEBUG
-    tree_print("tree_evaluate()", tree, NULL);
-#endif
+    TREE_PRINT("tree_evaluate()", tree, NULL);
     if (ret <= 0)
         goto error;
 
diff --git a/include/openssl/trace.h b/include/openssl/trace.h
index 85625d2f65..865fba0c2c 100644
--- a/include/openssl/trace.h
+++ b/include/openssl/trace.h
@@ -41,7 +41,8 @@ extern "C" {
 # define OSSL_TRACE_CATEGORY_ENGINE_REF_COUNT    6
 # define OSSL_TRACE_CATEGORY_PKCS5V2             7
 # define OSSL_TRACE_CATEGORY_PKCS12_KEYGEN       8
-# define OSSL_TRACE_CATEGORY_NUM                 9
+# define OSSL_TRACE_CATEGORY_X509V3_POLICY       9
+# define OSSL_TRACE_CATEGORY_NUM                10
 
 /* Returns the trace category number for the given |name| */
 int OSSL_trace_get_category_num(const char *name);