lnk commit front code

2025-01-16 16:17:01 +08:00
commit 1776a2bf0d
587 changed files with 257079 additions and 0 deletions
--- a/include/apr/apr_random.h
+++ b/include/apr/apr_random.h
@@ -0,0 +1,74 @@
+/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
+ * applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef APR_RANDOM_H
+#define APR_RANDOM_H
+
+#include <apr_pools.h>
+
+typedef struct apr_crypto_hash_t apr_crypto_hash_t;
+
+typedef void apr_crypto_hash_init_t(apr_crypto_hash_t *hash);
+typedef void apr_crypto_hash_add_t(apr_crypto_hash_t *hash,const void *data,
+                                   apr_size_t bytes);
+typedef void apr_crypto_hash_finish_t(apr_crypto_hash_t *hash,
+                                      unsigned char *result);
+
+/* FIXME: make this opaque */
+struct apr_crypto_hash_t {
+    apr_crypto_hash_init_t *init;
+    apr_crypto_hash_add_t *add;
+    apr_crypto_hash_finish_t *finish;
+    apr_size_t size;
+    void *data;
+};
+
+APR_DECLARE(apr_crypto_hash_t *) apr_crypto_sha256_new(apr_pool_t *p);
+
+typedef struct apr_random_t apr_random_t;
+
+APR_DECLARE(void) apr_random_init(apr_random_t *g,apr_pool_t *p,
+                                  apr_crypto_hash_t *pool_hash,
+                                  apr_crypto_hash_t *key_hash,
+                                  apr_crypto_hash_t *prng_hash);
+APR_DECLARE(apr_random_t *) apr_random_standard_new(apr_pool_t *p);
+APR_DECLARE(void) apr_random_add_entropy(apr_random_t *g,
+                                         const void *entropy_,
+                                         apr_size_t bytes);
+APR_DECLARE(apr_status_t) apr_random_insecure_bytes(apr_random_t *g,
+                                                    void *random,
+                                                    apr_size_t bytes);
+APR_DECLARE(apr_status_t) apr_random_secure_bytes(apr_random_t *g,
+                                                  void *random,
+                                                  apr_size_t bytes);
+APR_DECLARE(void) apr_random_barrier(apr_random_t *g);
+APR_DECLARE(apr_status_t) apr_random_secure_ready(apr_random_t *r);
+APR_DECLARE(apr_status_t) apr_random_insecure_ready(apr_random_t *r);
+
+/* Call this in the child after forking to mix the randomness
+   pools. Note that its generally a bad idea to fork a process with a
+   real PRNG in it - better to have the PRNG externally and get the
+   randomness from there. However, if you really must do it, then you
+   should supply all your entropy to all the PRNGs - don't worry, they
+   won't produce the same output.
+
+   Note that apr_proc_fork() calls this for you, so only weird
+   applications need ever call it themselves.
+*/
+struct apr_proc_t;
+APR_DECLARE(void) apr_random_after_fork(struct apr_proc_t *proc);
+
+#endif /* ndef APR_RANDOM_H */