Change the DRBG HASH implementation to lookup all allowed algorithm names
[openssl.git] / crypto / trace.c
index 4e93c43defb51139f8ed79b53d6cfe92390c664b..d9524da1a6878e0370cb01e94f4ff0ef84e76d2a 100644 (file)
@@ -65,7 +65,7 @@ static int trace_write(BIO *channel,
                        const char *buf, size_t num, size_t *written)
 {
     struct trace_data_st *ctx = BIO_get_data(channel);
-    size_t cnt = ctx->callback(buf, num, ctx->category, OSSL_TRACE_CTRL_DURING,
+    size_t cnt = ctx->callback(buf, num, ctx->category, OSSL_TRACE_CTRL_WRITE,
                                ctx->data);
 
     *written = cnt;
@@ -119,12 +119,12 @@ struct trace_category_st {
 #define TRACE_CATEGORY_(name)       { #name, OSSL_TRACE_CATEGORY_##name }
 
 static const struct trace_category_st trace_categories[] = {
-    TRACE_CATEGORY_(ANY),
+    TRACE_CATEGORY_(ALL),
     TRACE_CATEGORY_(TRACE),
     TRACE_CATEGORY_(INIT),
     TRACE_CATEGORY_(TLS),
     TRACE_CATEGORY_(TLS_CIPHER),
-    TRACE_CATEGORY_(ENGINE_CONF),
+    TRACE_CATEGORY_(CONF),
     TRACE_CATEGORY_(ENGINE_TABLE),
     TRACE_CATEGORY_(ENGINE_REF_COUNT),
     TRACE_CATEGORY_(PKCS5V2),
@@ -218,14 +218,21 @@ static int trace_detach_cb(int category, int type, const void *data)
     return 1;
 }
 
-static int set_trace_data(int category, BIO **channel,
+static int set_trace_data(int category, int type, BIO **channel,
                           const char **prefix, const char **suffix,
                           int (*attach_cb)(int, int, const void *),
                           int (*detach_cb)(int, int, const void *))
 {
-    BIO *curr_channel = trace_channels[category].bio;
-    char *curr_prefix = trace_channels[category].prefix;
-    char *curr_suffix = trace_channels[category].suffix;
+    BIO *curr_channel = NULL;
+    char *curr_prefix = NULL;
+    char *curr_suffix = NULL;
+
+    /* Ensure ossl_trace_init() is called */
+    OPENSSL_init_crypto(0, NULL);
+
+    curr_channel = trace_channels[category].bio;
+    curr_prefix = trace_channels[category].prefix;
+    curr_suffix = trace_channels[category].suffix;
 
     /* Make sure to run the detach callback first on all data */
     if (prefix != NULL && curr_prefix != NULL) {
@@ -253,11 +260,13 @@ static int set_trace_data(int category, BIO **channel,
 
     if (channel != NULL && curr_channel != NULL) {
         BIO_free(curr_channel);
+        trace_channels[category].type = 0;
         trace_channels[category].bio = NULL;
     }
 
     /* Before running callbacks are done, set new data where appropriate */
     if (channel != NULL && *channel != NULL) {
+        trace_channels[category].type = type;
         trace_channels[category].bio = *channel;
     }
 
@@ -313,10 +322,11 @@ void ossl_trace_cleanup(void)
         /* We force the TRACE category to be treated last */
         if (category == OSSL_TRACE_CATEGORY_TRACE)
             continue;
-        set_trace_data(category, &channel, &prefix, &suffix,
+        set_trace_data(category, 0, &channel, &prefix, &suffix,
                        trace_attach_cb, trace_detach_cb);
     }
-    set_trace_data(OSSL_TRACE_CATEGORY_TRACE, &channel, &prefix, &suffix,
+    set_trace_data(OSSL_TRACE_CATEGORY_TRACE, 0, &channel,
+                   &prefix, &suffix,
                    trace_attach_cb, trace_detach_cb);
     CRYPTO_THREAD_lock_free(trace_lock);
 #endif
@@ -325,14 +335,11 @@ void ossl_trace_cleanup(void)
 int OSSL_trace_set_channel(int category, BIO *channel)
 {
 #ifndef OPENSSL_NO_TRACE
-    if (category < 0 || category >= OSSL_TRACE_CATEGORY_NUM
-        || !set_trace_data(category, &channel, NULL, NULL,
-                           trace_attach_cb, trace_detach_cb))
-        return 0;
-
-    trace_channels[category].type = SIMPLE_CHANNEL;
+    if (category >= 0 && category < OSSL_TRACE_CATEGORY_NUM)
+        return set_trace_data(category, SIMPLE_CHANNEL, &channel, NULL, NULL,
+                              trace_attach_cb, trace_detach_cb);
 #endif
-    return 1;
+    return 0;
 }
 
 #ifndef OPENSSL_NO_TRACE
@@ -366,7 +373,7 @@ int OSSL_trace_set_callback(int category, OSSL_trace_cb callback, void *data)
     struct trace_data_st *trace_data = NULL;
 
     if (category < 0 || category >= OSSL_TRACE_CATEGORY_NUM)
-        goto err;
+        return 0;
 
     if (callback != NULL) {
         if ((channel = BIO_new(&trace_method)) == NULL
@@ -381,46 +388,38 @@ int OSSL_trace_set_callback(int category, OSSL_trace_cb callback, void *data)
         BIO_set_data(channel, trace_data);
     }
 
-    if (!set_trace_data(category, &channel, NULL, NULL,
+    if (!set_trace_data(category, CALLBACK_CHANNEL, &channel, NULL, NULL,
                         trace_attach_w_callback_cb, trace_detach_cb))
         goto err;
 
-    trace_channels[category].type = CALLBACK_CHANNEL;
-    goto done;
+    return 1;
 
  err:
     BIO_free(channel);
     OPENSSL_free(trace_data);
-    return 0;
- done:
 #endif
-    return 1;
+
+    return 0;
 }
 
 int OSSL_trace_set_prefix(int category, const char *prefix)
 {
-    int rv = 1;
-
 #ifndef OPENSSL_NO_TRACE
-    if (category >= 0 || category < OSSL_TRACE_CATEGORY_NUM)
-        return set_trace_data(category, NULL, &prefix, NULL,
+    if (category >= 0 && category < OSSL_TRACE_CATEGORY_NUM)
+        return set_trace_data(category, 0, NULL, &prefix, NULL,
                               trace_attach_cb, trace_detach_cb);
-    rv = 0;
 #endif
-    return rv;
+    return 0;
 }
 
 int OSSL_trace_set_suffix(int category, const char *suffix)
 {
-    int rv = 1;
-
 #ifndef OPENSSL_NO_TRACE
-    if (category >= 0 || category < OSSL_TRACE_CATEGORY_NUM)
-        return set_trace_data(category, NULL, NULL, &suffix,
+    if (category >= 0 && category < OSSL_TRACE_CATEGORY_NUM)
+        return set_trace_data(category, 0, NULL, NULL, &suffix,
                               trace_attach_cb, trace_detach_cb);
-    rv = 0;
 #endif
-    return rv;
+    return 0;
 }
 
 #ifndef OPENSSL_NO_TRACE
@@ -430,7 +429,7 @@ static int ossl_trace_get_category(int category)
         return -1;
     if (trace_channels[category].bio != NULL)
         return category;
-    return OSSL_TRACE_CATEGORY_ANY;
+    return OSSL_TRACE_CATEGORY_ALL;
 }
 #endif
 
@@ -439,7 +438,8 @@ int OSSL_trace_enabled(int category)
     int ret = 0;
 #ifndef OPENSSL_NO_TRACE
     category = ossl_trace_get_category(category);
-    ret = trace_channels[category].bio != NULL;
+    if (category >= 0)
+        ret = trace_channels[category].bio != NULL;
 #endif
     return ret;
 }
@@ -451,6 +451,9 @@ BIO *OSSL_trace_begin(int category)
     char *prefix = NULL;
 
     category = ossl_trace_get_category(category);
+    if (category < 0)
+        return NULL;
+
     channel = trace_channels[category].bio;
     prefix = trace_channels[category].prefix;