X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbio%2Fbss_acpt.c;h=d090b7272fb69d51d6189217f41071ab2d5880d0;hp=74e6bd6a05f80a09f0e8bcac5a0c8cb552a1af9f;hb=9ba4cc007b3af0b5e893716f8fe44943a5e3b234;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e

diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index 74e6bd6a05..d090b7272f 100644
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -56,20 +56,25 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_SOCK
-
 #include <stdio.h>
 #include <errno.h>
 #define USE_SOCKETS
 #include "cryptlib.h"
 #include <openssl/bio.h>
 
-#ifdef WIN16
+#ifndef OPENSSL_NO_SOCK
+
+#ifdef OPENSSL_SYS_WIN16
 #define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
 #else
 #define SOCKET_PROTOCOL IPPROTO_TCP
 #endif
 
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
+#endif
+
 typedef struct bio_accept_st
 	{
 	int state;
@@ -87,10 +92,10 @@ typedef struct bio_accept_st
 	BIO *bio_chain;
 	} BIO_ACCEPT;
 
-static int acpt_write(BIO *h,char *buf,int num);
-static int acpt_read(BIO *h,char *buf,int size);
-static int acpt_puts(BIO *h,char *str);
-static long acpt_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+static int acpt_write(BIO *h, const char *buf, int num);
+static int acpt_read(BIO *h, char *buf, int size);
+static int acpt_puts(BIO *h, const char *str);
+static long acpt_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 static int acpt_new(BIO *h);
 static int acpt_free(BIO *data);
 static int acpt_state(BIO *b, BIO_ACCEPT *c);
@@ -113,6 +118,7 @@ static BIO_METHOD methods_acceptp=
 	acpt_ctrl,
 	acpt_new,
 	acpt_free,
+	NULL,
 	};
 
 BIO_METHOD *BIO_s_accept(void)
@@ -139,7 +145,7 @@ BIO_ACCEPT *BIO_ACCEPT_new(void)
 	{
 	BIO_ACCEPT *ret;
 
-	if ((ret=(BIO_ACCEPT *)Malloc(sizeof(BIO_ACCEPT))) == NULL)
+	if ((ret=(BIO_ACCEPT *)OPENSSL_malloc(sizeof(BIO_ACCEPT))) == NULL)
 		return(NULL);
 
 	memset(ret,0,sizeof(BIO_ACCEPT));
@@ -153,10 +159,10 @@ void BIO_ACCEPT_free(BIO_ACCEPT *a)
 	if(a == NULL)
 	    return;
 
-	if (a->param_addr != NULL) Free(a->param_addr);
-	if (a->addr != NULL) Free(a->addr);
+	if (a->param_addr != NULL) OPENSSL_free(a->param_addr);
+	if (a->addr != NULL) OPENSSL_free(a->addr);
 	if (a->bio_chain != NULL) BIO_free(a->bio_chain);
-	Free(a);
+	OPENSSL_free(a);
 	}
 
 static void acpt_close_socket(BIO *bio)
@@ -230,8 +236,20 @@ again:
 			c->state=ACPT_S_OK;
 			goto again;
 			}
+		BIO_clear_retry_flags(b);
+		b->retry_reason=0;
 		i=BIO_accept(c->accept_sock,&(c->addr));
+
+		/* -2 return means we should retry */
+		if(i == -2)
+			{
+			BIO_set_retry_special(b);
+			b->retry_reason=BIO_RR_ACCEPT;
+			return -1;
+			}
+
 		if (i < 0) return(i);
+
 		bio=BIO_new_socket(i,BIO_CLOSE);
 		if (bio == NULL) goto err;
 
@@ -287,7 +305,7 @@ static int acpt_read(BIO *b, char *out, int outl)
 	int ret=0;
 	BIO_ACCEPT *data;
 
-        BIO_clear_retry_flags(b);
+	BIO_clear_retry_flags(b);
 	data=(BIO_ACCEPT *)b->ptr;
 
 	while (b->next_bio == NULL)
@@ -301,7 +319,7 @@ static int acpt_read(BIO *b, char *out, int outl)
 	return(ret);
 	}
 
-static int acpt_write(BIO *b, char *in, int inl)
+static int acpt_write(BIO *b, const char *in, int inl)
 	{
 	int ret;
 	BIO_ACCEPT *data;
@@ -320,7 +338,7 @@ static int acpt_write(BIO *b, char *in, int inl)
 	return(ret);
 	}
 
-static long acpt_ctrl(BIO *b, int cmd, long num, char *ptr)
+static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
 	{
 	BIO *dbio;
 	int *ip;
@@ -349,7 +367,7 @@ static long acpt_ctrl(BIO *b, int cmd, long num, char *ptr)
 				{
 				b->init=1;
 				if (data->param_addr != NULL)
-					Free(data->param_addr);
+					OPENSSL_free(data->param_addr);
 				data->param_addr=BUF_strdup(ptr);
 				}
 			else if (num == 1)
@@ -434,7 +452,7 @@ static long acpt_ctrl(BIO *b, int cmd, long num, char *ptr)
 	return(ret);
 	}
 
-static int acpt_puts(BIO *bp, char *str)
+static int acpt_puts(BIO *bp, const char *str)
 	{
 	int n,ret;