1 files changed, 514 insertions, 0 deletions

diff --git a/src/lib/libcrypto/cryptlib.c b/src/lib/libcrypto/cryptlib.c
new file mode 100644
index 0000000000..2924def2bb
--- /dev/null
+++ b/src/lib/libcrypto/cryptlib.c
@@ -0,0 +1,514 @@
+/* crypto/cryptlib.c */
+/* Copyright (C) 1995-1998 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 <openssl/crypto.h>
+#include <openssl/safestack.h>
+
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
+static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
+#endif
+
+DECLARE_STACK_OF(CRYPTO_dynlock)
+IMPLEMENT_STACK_OF(CRYPTO_dynlock)
+
+/* real #defines in crypto.h, keep these upto date */
+static const char* lock_names[CRYPTO_NUM_LOCKS] =
+        {
+        "<<ERROR>>",
+        "err",
+        "ex_data",
+        "x509",
+        "x509_info",
+        "x509_pkey",
+        "x509_crl",
+        "x509_req",
+        "dsa",
+        "rsa",
+        "evp_pkey",
+        "x509_store",
+        "ssl_ctx",
+        "ssl_cert",
+        "ssl_session",
+        "ssl_sess_cert",
+        "ssl",
+        "ssl_method",
+        "rand",
+        "rand2",
+        "debug_malloc",
+        "BIO",
+        "gethostbyname",
+        "getservbyname",
+        "readdir",
+        "RSA_blinding",
+        "dh",
+        "debug_malloc2",
+        "dso",
+        "dynlock",
+        "engine",
+        "ui",
+        "hwcrhk",               /* This is a HACK which will disappear in 0.9.8 */
+#if CRYPTO_NUM_LOCKS != 33
+# error "Inconsistency between crypto.h and cryptlib.c"
+#endif
+        };
+
+/* This is for applications to allocate new type names in the non-dynamic
+   array of lock names.  These are numbered with positive numbers.  */
+static STACK *app_locks=NULL;
+
+/* For applications that want a more dynamic way of handling threads, the
+   following stack is used.  These are externally numbered with negative
+   numbers.  */
+static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
+
+
+static void (MS_FAR *locking_callback)(int mode,int type,
+        const char *file,int line)=NULL;
+static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
+        int type,const char *file,int line)=NULL;
+static unsigned long (MS_FAR *id_callback)(void)=NULL;
+static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
+        (const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_lock_callback)(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
+        const char *file,int line)=NULL;
+
+int CRYPTO_get_new_lockid(char *name)
+        {
+        char *str;
+        int i;
+
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
+        /* A hack to make Visual C++ 5.0 work correctly when linking as
+         * a DLL using /MT. Without this, the application cannot use
+         * and floating point printf's.
+         * It also seems to be needed for Visual C 1.5 (win16) */
+        SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
+#endif
+
+        if ((app_locks == NULL) && ((app_locks=sk_new_null()) == NULL))
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        if ((str=BUF_strdup(name)) == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        i=sk_push(app_locks,str);
+        if (!i)
+                OPENSSL_free(str);
+        else
+                i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
+        return(i);
+        }
+
+int CRYPTO_num_locks(void)
+        {
+        return CRYPTO_NUM_LOCKS;
+        }
+
+int CRYPTO_get_new_dynlockid(void)
+        {
+        int i = 0;
+        CRYPTO_dynlock *pointer = NULL;
+
+        if (dynlock_create_callback == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
+                return(0);
+                }
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+        if ((dyn_locks == NULL)
+                && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
+                {
+                CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
+        if (pointer == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        pointer->references = 1;
+        pointer->data = dynlock_create_callback(__FILE__,__LINE__);
+        if (pointer->data == NULL)
+                {
+                OPENSSL_free(pointer);
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+        /* First, try to find an existing empty slot */
+        i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
+        /* If there was none, push, thereby creating a new one */
+        if (i == -1)
+                /* Since sk_push() returns the number of items on the
+                   stack, not the location of the pushed item, we need
+                   to transform the returned number into a position,
+                   by decreasing it.  */
+                i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
+        else
+                /* If we found a place with a NULL pointer, put our pointer
+                   in it.  */
+                sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (i == -1)
+                {
+                dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+                OPENSSL_free(pointer);
+                }
+        else
+                i += 1; /* to avoid 0 */
+        return -i;
+        }
+
+void CRYPTO_destroy_dynlockid(int i)
+        {
+        CRYPTO_dynlock *pointer = NULL;
+        if (i)
+                i = -i-1;
+        if (dynlock_destroy_callback == NULL)
+                return;
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+        if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
+                {
+                CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+                return;
+                }
+        pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+        if (pointer != NULL)
+                {
+                --pointer->references;
+#ifdef REF_CHECK
+                if (pointer->references < 0)
+                        {
+                        fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
+                        abort();
+                        }
+                else
+#endif
+                        if (pointer->references <= 0)
+                                {
+                                sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
+                                }
+                        else
+                                pointer = NULL;
+                }
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (pointer)
+                {
+                dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+                OPENSSL_free(pointer);
+                }
+        }
+
+struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
+        {
+        CRYPTO_dynlock *pointer = NULL;
+        if (i)
+                i = -i-1;
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+        if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
+                pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+        if (pointer)
+                pointer->references++;
+
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (pointer)
+                return pointer->data;
+        return NULL;
+        }
+
+struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
+        (const char *file,int line)
+        {
+        return(dynlock_create_callback);
+        }
+
+void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file,int line)
+        {
+        return(dynlock_lock_callback);
+        }
+
+void (*CRYPTO_get_dynlock_destroy_callback(void))
+        (struct CRYPTO_dynlock_value *l, const char *file,int line)
+        {
+        return(dynlock_destroy_callback);
+        }
+
+void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
+        (const char *file, int line))
+        {
+        dynlock_create_callback=func;
+        }
+
+void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file, int line))
+        {
+        dynlock_lock_callback=func;
+        }
+
+void CRYPTO_set_dynlock_destroy_callback(void (*func)
+        (struct CRYPTO_dynlock_value *l, const char *file, int line))
+        {
+        dynlock_destroy_callback=func;
+        }
+
+
+void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
+                int line)
+        {
+        return(locking_callback);
+        }
+
+int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
+                                          const char *file,int line)
+        {
+        return(add_lock_callback);
+        }
+
+void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
+                                              const char *file,int line))
+        {
+        locking_callback=func;
+        }
+
+void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
+                                              const char *file,int line))
+        {
+        add_lock_callback=func;
+        }
+
+unsigned long (*CRYPTO_get_id_callback(void))(void)
+        {
+        return(id_callback);
+        }
+
+void CRYPTO_set_id_callback(unsigned long (*func)(void))
+        {
+        id_callback=func;
+        }
+
+unsigned long CRYPTO_thread_id(void)
+        {
+        unsigned long ret=0;
+
+        if (id_callback == NULL)
+                {
+#ifdef OPENSSL_SYS_WIN16
+                ret=(unsigned long)GetCurrentTask();
+#elif defined(OPENSSL_SYS_WIN32)
+                ret=(unsigned long)GetCurrentThreadId();
+#elif defined(GETPID_IS_MEANINGLESS)
+                ret=1L;
+#else
+                ret=(unsigned long)getpid();
+#endif
+                }
+        else
+                ret=id_callback();
+        return(ret);
+        }
+
+void CRYPTO_lock(int mode, int type, const 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 (type < 0)
+                {
+                if (dynlock_lock_callback != NULL)
+                        {
+                        struct CRYPTO_dynlock_value *pointer
+                                = CRYPTO_get_dynlock_value(type);
+
+                        OPENSSL_assert(pointer != NULL);
+
+                        dynlock_lock_callback(mode, pointer, file, line);
+
+                        CRYPTO_destroy_dynlockid(type);
+                        }
+                }
+        else
+                if (locking_callback != NULL)
+                        locking_callback(mode,type,file,line);
+        }
+
+int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
+             int line)
+        {
+        int ret = 0;
+
+        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
+                }
+        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);
+        }
+
+const char *CRYPTO_get_lock_name(int type)
+        {
+        if (type < 0)
+                return("dynamic");
+        else if (type < CRYPTO_NUM_LOCKS)
+                return(lock_names[type]);
+        else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks))
+                return("ERROR");
+        else
+                return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS));
+        }
+
+#ifdef _DLL
+#ifdef OPENSSL_SYS_WIN32
+
+/* All we really need to do is remove the 'error' state when a thread
+ * detaches */
+
+BOOL WINAPI DLLEntryPoint(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
+
+void OpenSSLDie(const char *file,int line,const char *assertion)
+        {
+        fprintf(stderr,
+                "%s(%d): OpenSSL internal error, assertion failed: %s\n",
+                file,line,assertion);
+        abort();
+        }