/* crypto/bio/bss_acpt.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* [including the GNU Public Licence.]
*/
-#ifndef NO_SOCK
-
#include <stdio.h>
#include <errno.h>
#define USE_SOCKETS
#include "cryptlib.h"
-#include "bio.h"
+#include <openssl/bio.h>
-/* BIOerr(BIO_F_WSASTARTUP,BIO_R_WSASTARTUP ); */
+#ifndef OPENSSL_NO_SOCK
-#ifdef WIN16
+#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;
char *addr;
int nbio;
+ /* If 0, it means normal, if 1, do a connect on bind failure,
+ * and if there is no-one listening, bind with SO_REUSEADDR.
+ * If 2, always use SO_REUSEADDR. */
+ int bind_mode;
BIO *bio_chain;
} BIO_ACCEPT;
-#ifndef NOPROTO
-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);
-#else
-static int acpt_write();
-static int acpt_read();
-static int acpt_puts();
-static long acpt_ctrl();
-static int acpt_new();
-static int acpt_free();
-#endif
-
-#ifndef NOPROTO
static int acpt_state(BIO *b, BIO_ACCEPT *c);
static void acpt_close_socket(BIO *data);
BIO_ACCEPT *BIO_ACCEPT_new(void );
void BIO_ACCEPT_free(BIO_ACCEPT *a);
-#else
-
-static int acpt_state();
-static void acpt_close_socket();
-BIO_ACCEPT *BIO_ACCEPT_new();
-void BIO_ACCEPT_free();
-#endif
-
#define ACPT_S_BEFORE 1
#define ACPT_S_GET_ACCEPT_SOCKET 2
#define ACPT_S_OK 3
static BIO_METHOD methods_acceptp=
{
- BIO_TYPE_ACCEPT,"socket accept",
+ BIO_TYPE_ACCEPT,
+ "socket accept",
acpt_write,
acpt_read,
acpt_puts,
acpt_ctrl,
acpt_new,
acpt_free,
+ NULL,
};
-BIO_METHOD *BIO_s_accept()
+BIO_METHOD *BIO_s_accept(void)
{
return(&methods_acceptp);
}
-static int acpt_new(bi)
-BIO *bi;
+static int acpt_new(BIO *bi)
{
BIO_ACCEPT *ba;
return(1);
}
-BIO_ACCEPT *BIO_ACCEPT_new()
+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));
ret->accept_sock=INVALID_SOCKET;
+ ret->bind_mode=BIO_BIND_NORMAL;
return(ret);
}
-void BIO_ACCEPT_free(a)
-BIO_ACCEPT *a;
+void BIO_ACCEPT_free(BIO_ACCEPT *a)
{
- if (a->param_addr != NULL) Free(a->param_addr);
- if (a->addr != NULL) Free(a->addr);
+ if(a == NULL)
+ return;
+
+ 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 *bio;
+static void acpt_close_socket(BIO *bio)
{
BIO_ACCEPT *c;
if (c->accept_sock != INVALID_SOCKET)
{
shutdown(c->accept_sock,2);
-# ifdef WINDOWS
closesocket(c->accept_sock);
-# else
- close(c->accept_sock);
-# endif
c->accept_sock=INVALID_SOCKET;
bio->num=INVALID_SOCKET;
}
}
-static int acpt_free(a)
-BIO *a;
+static int acpt_free(BIO *a)
{
BIO_ACCEPT *data;
return(1);
}
-static int acpt_state(b,c)
-BIO *b;
-BIO_ACCEPT *c;
+static int acpt_state(BIO *b, BIO_ACCEPT *c)
{
BIO *bio=NULL,*dbio;
- unsigned long l=1;
int s= -1;
int i;
BIOerr(BIO_F_ACPT_STATE,BIO_R_NO_ACCEPT_PORT_SPECIFIED);
return(-1);
}
- s=BIO_get_accept_socket(c->param_addr);
+ s=BIO_get_accept_socket(c->param_addr,c->bind_mode);
if (s == INVALID_SOCKET)
return(-1);
-#ifdef FIONBIO
if (c->accept_nbio)
{
- i=BIO_socket_ioctl(b->num,FIONBIO,&l);
- if (i < 0)
+ if (!BIO_socket_nbio(s,1))
{
-#ifdef WINDOWS
closesocket(s);
-#else
- close(s);
-# endif
BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
return(-1);
}
}
-#endif
c->accept_sock=s;
b->num=s;
c->state=ACPT_S_GET_ACCEPT_SOCKET;
return(1);
- break;
+ /* break; */
case ACPT_S_GET_ACCEPT_SOCKET:
if (b->next_bio != NULL)
{
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;
BIO_set_callback(bio,BIO_get_callback(b));
BIO_set_callback_arg(bio,BIO_get_callback_arg(b));
-#ifdef FIONBIO
if (c->nbio)
{
- i=BIO_socket_ioctl(i,FIONBIO,&l);
- if (i < 0)
+ if (!BIO_socket_nbio(i,1))
{
BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
goto err;
}
}
-#endif
/* If the accept BIO has an bio_chain, we dup it and
* put the new socket at the end. */
if (bio != NULL)
BIO_free(bio);
else if (s >= 0)
- {
-#ifdef WINDOWS
closesocket(s);
-#else
- close(s);
-# endif
- }
return(0);
- break;
+ /* break; */
case ACPT_S_OK:
if (b->next_bio == NULL)
{
goto again;
}
return(1);
- break;
+ /* break; */
default:
return(0);
- break;
+ /* break; */
}
}
-static int acpt_read(b,out,outl)
-BIO *b;
-char *out;
-int outl;
+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)
return(ret);
}
-static int acpt_write(b,in,inl)
-BIO *b;
-char *in;
-int inl;
+static int acpt_write(BIO *b, const char *in, int inl)
{
int ret;
BIO_ACCEPT *data;
return(ret);
}
-static long acpt_ctrl(b,cmd,num,ptr)
-BIO *b;
-int cmd;
-long num;
-char *ptr;
+static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
{
BIO *dbio;
int *ip;
long ret=1;
BIO_ACCEPT *data;
+ char **pp;
data=(BIO_ACCEPT *)b->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)
case BIO_C_SET_NBIO:
data->nbio=(int)num;
break;
+ case BIO_C_SET_FD:
+ b->init=1;
+ b->num= *((int *)ptr);
+ data->accept_sock=b->num;
+ data->state=ACPT_S_GET_ACCEPT_SOCKET;
+ b->shutdown=(int)num;
+ b->init=1;
+ break;
case BIO_C_GET_FD:
if (b->init)
{
ip=(int *)ptr;
if (ip != NULL)
*ip=data->accept_sock;
- ret=b->num;
+ ret=data->accept_sock;
+ }
+ else
+ ret= -1;
+ break;
+ case BIO_C_GET_ACCEPT:
+ if (b->init)
+ {
+ if (ptr != NULL)
+ {
+ pp=(char **)ptr;
+ *pp=data->param_addr;
+ }
+ else
+ ret= -1;
}
else
ret= -1;
break;
case BIO_CTRL_FLUSH:
break;
+ case BIO_C_SET_BIND_MODE:
+ data->bind_mode=(int)num;
+ break;
+ case BIO_C_GET_BIND_MODE:
+ ret=(long)data->bind_mode;
+ break;
case BIO_CTRL_DUP:
dbio=(BIO *)ptr;
/* if (data->param_port) EAY EAY
return(ret);
}
-static int acpt_puts(bp,str)
-BIO *bp;
-char *str;
+static int acpt_puts(BIO *bp, const char *str)
{
int n,ret;
return(ret);
}
-BIO *BIO_new_accept(str)
-char *str;
+BIO *BIO_new_accept(char *str)
{
BIO *ret;
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