1 files changed, 223 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bio/bss_fd.c b/src/lib/libcrypto/bio/bss_fd.c
index 686c4909a2..5e3e187de6 100644
--- a/src/lib/libcrypto/bio/bss_fd.c
+++ b/src/lib/libcrypto/bio/bss_fd.c
@@ -56,7 +56,227 @@
  * [including the GNU Public Licence.]
  */
 
-#define BIO_FD
-#include "bss_sock.c"
-#undef BIO_FD
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
 
+static int fd_write(BIO *h, const char *buf, int num);
+static int fd_read(BIO *h, char *buf, int size);
+static int fd_puts(BIO *h, const char *str);
+static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int fd_new(BIO *h);
+static int fd_free(BIO *data);
+int BIO_fd_should_retry(int s);
+
+static BIO_METHOD methods_fdp=
+        {
+        BIO_TYPE_FD,"file descriptor",
+        fd_write,
+        fd_read,
+        fd_puts,
+        NULL, /* fd_gets, */
+        fd_ctrl,
+        fd_new,
+        fd_free,
+        NULL,
+        };
+
+BIO_METHOD *BIO_s_fd(void)
+        {
+        return(&methods_fdp);
+        }
+
+BIO *BIO_new_fd(int fd,int close_flag)
+        {
+        BIO *ret;
+        ret=BIO_new(BIO_s_fd());
+        if (ret == NULL) return(NULL);
+        BIO_set_fd(ret,fd,close_flag);
+        return(ret);
+        }
+
+static int fd_new(BIO *bi)
+        {
+        bi->init=0;
+        bi->num=0;
+        bi->ptr=NULL;
+        bi->flags=0;
+        return(1);
+        }
+
+static int fd_free(BIO *a)
+        {
+        if (a == NULL) return(0);
+        if (a->shutdown)
+                {
+                if (a->init)
+                        {
+                        close(a->num);
+                        }
+                a->init=0;
+                a->flags=0;
+                }
+        return(1);
+        }
+        
+static int fd_read(BIO *b, char *out,int outl)
+        {
+        int ret=0;
+
+        if (out != NULL)
+                {
+                clear_sys_error();
+                ret=read(b->num,out,outl);
+                BIO_clear_retry_flags(b);
+                if (ret <= 0)
+                        {
+                        if (BIO_fd_should_retry(ret))
+                                BIO_set_retry_read(b);
+                        }
+                }
+        return(ret);
+        }
+
+static int fd_write(BIO *b, const char *in, int inl)
+        {
+        int ret;
+        clear_sys_error();
+        ret=write(b->num,in,inl);
+        BIO_clear_retry_flags(b);
+        if (ret <= 0)
+                {
+                if (BIO_fd_should_retry(ret))
+                        BIO_set_retry_write(b);
+                }
+        return(ret);
+        }
+
+static long fd_ctrl(BIO *b, int cmd, long num, void *ptr)
+        {
+        long ret=1;
+        int *ip;
+
+        switch (cmd)
+                {
+        case BIO_CTRL_RESET:
+                num=0;
+        case BIO_C_FILE_SEEK:
+                ret=(long)lseek(b->num,num,0);
+                break;
+        case BIO_C_FILE_TELL:
+        case BIO_CTRL_INFO:
+                ret=(long)lseek(b->num,0,1);
+                break;
+        case BIO_C_SET_FD:
+                fd_free(b);
+                b->num= *((int *)ptr);
+                b->shutdown=(int)num;
+                b->init=1;
+                break;
+        case BIO_C_GET_FD:
+                if (b->init)
+                        {
+                        ip=(int *)ptr;
+                        if (ip != NULL) *ip=b->num;
+                        ret=b->num;
+                        }
+                else
+                        ret= -1;
+                break;
+        case BIO_CTRL_GET_CLOSE:
+                ret=b->shutdown;
+                break;
+        case BIO_CTRL_SET_CLOSE:
+                b->shutdown=(int)num;
+                break;
+        case BIO_CTRL_PENDING:
+        case BIO_CTRL_WPENDING:
+                ret=0;
+                break;
+        case BIO_CTRL_DUP:
+        case BIO_CTRL_FLUSH:
+                ret=1;
+                break;
+        default:
+                ret=0;
+                break;
+                }
+        return(ret);
+        }
+
+static int fd_puts(BIO *bp, const char *str)
+        {
+        int n,ret;
+
+        n=strlen(str);
+        ret=fd_write(bp,str,n);
+        return(ret);
+        }
+
+int BIO_fd_should_retry(int i)
+        {
+        int err;
+
+        if ((i == 0) || (i == -1))
+                {
+                err=get_last_sys_error();
+
+#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
+                if ((i == -1) && (err == 0))
+                        return(1);
+#endif
+
+                return(BIO_fd_non_fatal_error(err));
+                }
+        return(0);
+        }
+
+int BIO_fd_non_fatal_error(int err)
+        {
+        switch (err)
+                {
+
+#ifdef EWOULDBLOCK
+# ifdef WSAEWOULDBLOCK
+#  if WSAEWOULDBLOCK != EWOULDBLOCK
+        case EWOULDBLOCK:
+#  endif
+# else
+        case EWOULDBLOCK:
+# endif
+#endif
+
+#if defined(ENOTCONN)
+        case ENOTCONN:
+#endif
+
+#ifdef EINTR
+        case EINTR:
+#endif
+
+#ifdef EAGAIN
+#if EWOULDBLOCK != EAGAIN
+        case EAGAIN:
+# endif
+#endif
+
+#ifdef EPROTO
+        case EPROTO:
+#endif
+
+#ifdef EINPROGRESS
+        case EINPROGRESS:
+#endif
+
+#ifdef EALREADY
+        case EALREADY:
+#endif
+                return(1);
+                /* break; */
+        default:
+                break;
+                }
+        return(0);
+        }