Import of old SSLeay release: SSLeay 0.8.1b
diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
new file mode 100644
index 0000000..12cf073
--- /dev/null
+++ b/crypto/cryptlib.c
@@ -0,0 +1,267 @@
+/* crypto/cryptlib.c */
+/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "cryptlib.h"
+#include "crypto.h"
+#include "date.h"
+
+/* real #defines in crypto.h, keep these upto date */
+static char* lock_names[CRYPTO_NUM_LOCKS] =
+ {
+ "<<ERROR>>",
+ "err",
+ "err_hash",
+ "x509",
+ "x509_info",
+ "x509_pkey",
+ "x509_crl",
+ "x509_req",
+ "dsa",
+ "rsa",
+ "evp_pkey",
+ "x509_store",
+ "ssl_ctx",
+ "ssl_cert",
+ "ssl_session",
+ "ssl",
+ "rand",
+ "debug_malloc",
+ "bio_gethostbyname",
+ "BIO",
+ };
+
+#ifndef NOPROTO
+static void (MS_FAR *locking_callback)(int mode,int type,
+ char *file,int line)=NULL;
+static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
+ int type,char *file,int line)=NULL;
+static unsigned long (MS_FAR *id_callback)(void)=NULL;
+#else
+static void (MS_FAR *locking_callback)()=NULL;
+static int (MS_FAR *add_lock_callback)()=NULL;
+static unsigned long (MS_FAR *id_callback)()=NULL;
+#endif
+
+void (*CRYPTO_get_locking_callback(P_V))(P_I_I_P_I)
+ {
+ return(locking_callback);
+ }
+
+int (*CRYPTO_get_add_lock_callback(P_V))(P_IP_I_I_P_I)
+ {
+ return(add_lock_callback);
+ }
+
+void CRYPTO_set_locking_callback(func)
+void (*func)(P_I_I_P_I);
+ {
+ locking_callback=func;
+ }
+
+void CRYPTO_set_add_lock_callback(func)
+int (*func)(P_IP_I_I_P_I);
+ {
+ add_lock_callback=func;
+ }
+
+unsigned long (*CRYPTO_get_id_callback(P_V))(P_V)
+ {
+ return(id_callback);
+ }
+
+void CRYPTO_set_id_callback(func)
+unsigned long (*func)(P_V);
+ {
+ id_callback=func;
+ }
+
+unsigned long CRYPTO_thread_id()
+ {
+ unsigned long ret=0;
+
+ if (id_callback == NULL)
+ {
+#ifdef WIN16
+ ret=(unsigned long)GetCurrentTask();
+#elif defined(WIN32)
+ ret=(unsigned long)GetCurrentThreadId();
+#elif defined(MSDOS)
+ ret=1L;
+#else
+ ret=(unsigned long)getpid();
+#endif
+ }
+ else
+ ret=id_callback();
+ return(ret);
+ }
+
+void CRYPTO_lock(mode,type,file,line)
+int mode;
+int type;
+char *file;
+int line;
+ {
+#ifdef LOCK_DEBUG
+ {
+ char *rw_text,*operation_text;
+
+ if (mode & CRYPTO_LOCK)
+ operation_text="lock ";
+ else if (mode & CRYPTO_UNLOCK)
+ operation_text="unlock";
+ else
+ operation_text="ERROR ";
+
+ if (mode & CRYPTO_READ)
+ rw_text="r";
+ else if (mode & CRYPTO_WRITE)
+ rw_text="w";
+ else
+ rw_text="ERROR";
+
+ fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
+ CRYPTO_thread_id(), rw_text, operation_text,
+ CRYPTO_get_lock_name(type), file, line);
+ }
+#endif
+ if (locking_callback != NULL)
+ locking_callback(mode,type,file,line);
+ }
+
+int CRYPTO_add_lock(pointer,amount,type,file,line)
+int *pointer;
+int amount;
+int type;
+char *file;
+int line;
+ {
+ int ret;
+
+ if (add_lock_callback != NULL)
+ {
+#ifdef LOCK_DEBUG
+ int before= *pointer;
+#endif
+
+ ret=add_lock_callback(pointer,amount,type,file,line);
+#ifdef LOCK_DEBUG
+ fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
+ CRYPTO_thread_id(),
+ before,amount,ret,
+ CRYPTO_get_lock_name(type),
+ file,line);
+#endif
+ *pointer=ret;
+ }
+ else
+ {
+ CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
+
+ ret= *pointer+amount;
+#ifdef LOCK_DEBUG
+ fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
+ CRYPTO_thread_id(),
+ *pointer,amount,ret,
+ CRYPTO_get_lock_name(type),
+ file,line);
+#endif
+ *pointer=ret;
+ CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
+ }
+ return(ret);
+ }
+
+char *CRYPTO_get_lock_name(type)
+int type;
+ {
+ if ((type < 0) || (type >= CRYPTO_NUM_LOCKS))
+ return("ERROR");
+ return(lock_names[type]);
+ }
+
+#ifdef _DLL
+#ifdef WIN32
+
+/* All we really need to do is remove the 'error' state when a thread
+ * detaches */
+
+BOOL WINAPI DLLEntryPoint(hinstDLL,fdwReason,lpvReserved)
+HINSTANCE hinstDLL;
+DWORD fdwReason;
+LPVOID lpvReserved;
+ {
+ switch(fdwReason)
+ {
+ case DLL_PROCESS_ATTACH:
+ break;
+ case DLL_THREAD_ATTACH:
+ break;
+ case DLL_THREAD_DETACH:
+ ERR_remove_state(0);
+ break;
+ case DLL_PROCESS_DETACH:
+ break;
+ }
+ return(TRUE);
+ }
+#endif
+
+#endif
