Import of old SSLeay release: SSLeay 0.9.1b (unreleased)

[openssl.git] / crypto / bio / bss_acpt.c

diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index e49902fa9fb936440bb02cf5c6d21876be5f9865..872807d8634da863fc748357c97bcd38760c78a6 100644 (file)
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -82,6 +82,10 @@ typedef struct bio_accept_st
 
        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;
 
@@ -162,6 +166,7 @@ BIO_ACCEPT *BIO_ACCEPT_new()
 
        memset(ret,0,sizeof(BIO_ACCEPT));
        ret->accept_sock=INVALID_SOCKET;
+       ret->bind_mode=BIO_BIND_NORMAL;
        return(ret);
        }
 
@@ -183,11 +188,7 @@ BIO *bio;
        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;
                }
@@ -217,7 +218,6 @@ BIO *b;
 BIO_ACCEPT *c;
        {
        BIO *bio=NULL,*dbio;
-       unsigned long l=1;
        int s= -1;
        int i;
 
@@ -230,31 +230,24 @@ again:
                        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)
                        {
@@ -269,17 +262,14 @@ again:
                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. */
@@ -298,15 +288,9 @@ err:
                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)
                        {
@@ -314,10 +298,10 @@ err:
                        goto again;
                        }
                return(1);
-               break;
+               /* break; */
        default:        
                return(0);
-               break;
+               /* break; */
                }
 
        }
@@ -417,13 +401,21 @@ char *ptr;
        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;
@@ -454,6 +446,12 @@ char *ptr;
                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