X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fbio%2Fbio_lib.c;h=381afc9b8e03a05d5e8b3459e5a3d9facc4b5055;hb=7d09713d09f41778c92913d57a877a4eb1aebbfc;hp=ae225da986bcca00f886f96fbf736c6bf7e5a6bc;hpb=dd9d233e2aa493fa1398b527afbf6aa5cdb23f23;p=oweals%2Fopenssl.git

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index ae225da986..381afc9b8e 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -70,7 +70,7 @@ BIO *BIO_new(BIO_METHOD *method)
 	{
 	BIO *ret=NULL;
 
-	ret=(BIO *)Malloc(sizeof(BIO));
+	ret=(BIO *)OPENSSL_malloc(sizeof(BIO));
 	if (ret == NULL)
 		{
 		BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);
@@ -78,7 +78,7 @@ BIO *BIO_new(BIO_METHOD *method)
 		}
 	if (!BIO_set(ret,method))
 		{
-		Free(ret);
+		OPENSSL_free(ret);
 		ret=NULL;
 		}
 	return(ret);
@@ -133,10 +133,13 @@ int BIO_free(BIO *a)
 
 	if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
 	ret=a->method->destroy(a);
-	Free(a);
+	OPENSSL_free(a);
 	return(1);
 	}
 
+void BIO_vfree(BIO *a)
+    { BIO_free(a); }
+
 int BIO_read(BIO *b, void *out, int outl)
 	{
 	int i;
@@ -169,7 +172,7 @@ int BIO_read(BIO *b, void *out, int outl)
 	return(i);
 	}
 
-int BIO_write(BIO *b, const char *in, int inl)
+int BIO_write(BIO *b, const void *in, int inl)
 	{
 	int i;
 	long (*cb)();
@@ -198,13 +201,7 @@ int BIO_write(BIO *b, const char *in, int inl)
 
 	if (i > 0) b->num_write+=(unsigned long)i;
 
-	/* This is evil and not thread safe.  If the BIO has been freed,
-	 * we must not call the callback.  The only way to be able to
-	 * determine this is the reference count which is now invalid since
-	 * the memory has been free()ed.
-	 */
-	if (b->references <= 0) abort();
-	if (cb != NULL) /* && (b->references >= 1)) */
+	if (cb != NULL)
 		i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl,
 			0L,(long)i);
 	return(i);
@@ -235,6 +232,8 @@ int BIO_puts(BIO *b, const char *in)
 
 	i=b->method->bputs(b,in);
 
+	if (i > 0) b->num_write+=(unsigned long)i;
+
 	if (cb != NULL)
 		i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,
 			0L,(long)i);
@@ -317,16 +316,43 @@ long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
 	return(ret);
 	}
 
+long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long))
+	{
+	long ret;
+	long (*cb)();
+
+	if (b == NULL) return(0);
+
+	if ((b->method == NULL) || (b->method->callback_ctrl == NULL))
+		{
+		BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);
+		return(-2);
+		}
+
+	cb=b->callback;
+
+	if ((cb != NULL) &&
+		((ret=cb(b,BIO_CB_CTRL,(void *)&fp,cmd,0,1L)) <= 0))
+		return(ret);
+
+	ret=b->method->callback_ctrl(b,cmd,fp);
+
+	if (cb != NULL)
+		ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp,cmd,
+			0,ret);
+	return(ret);
+	}
+
 /* It is unfortunate to duplicate in functions what the BIO_(w)pending macros
  * do; but those macros have inappropriate return type, and for interfacing
  * from other programming languages, C macros aren't much of a help anyway. */
 size_t BIO_ctrl_pending(BIO *bio)
-    {
+	{
 	return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
 	}
 
 size_t BIO_ctrl_wpending(BIO *bio)
-    {
+	{
 	return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
 	}
 
@@ -392,6 +418,7 @@ BIO *BIO_find_type(BIO *bio, int type)
 	{
 	int mt,mask;
 
+	if(!bio) return NULL;
 	mask=type&0xff;
 	do	{
 		if (bio->method != NULL)
@@ -410,6 +437,12 @@ BIO *BIO_find_type(BIO *bio, int type)
 	return(NULL);
 	}
 
+BIO *BIO_next(BIO *b)
+	{
+	if(!b) return NULL;
+	return b->next_bio;
+	}
+
 void BIO_free_all(BIO *bio)
 	{
 	BIO *b;
@@ -505,3 +538,5 @@ unsigned long BIO_number_written(BIO *bio)
 	if(bio) return bio->num_write;
 	return 0;
 }
+
+IMPLEMENT_STACK_OF(BIO)