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Diffstat (limited to 'openssl/trunk/crypto/bio/bss_dgram.c')
-rw-r--r--openssl/trunk/crypto/bio/bss_dgram.c484
1 files changed, 0 insertions, 484 deletions
diff --git a/openssl/trunk/crypto/bio/bss_dgram.c b/openssl/trunk/crypto/bio/bss_dgram.c
deleted file mode 100644
index a0cb29b3..00000000
--- a/openssl/trunk/crypto/bio/bss_dgram.c
+++ /dev/null
@@ -1,484 +0,0 @@
-/* crypto/bio/bio_dgram.c */
-/*
- * DTLS implementation written by Nagendra Modadugu
- * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
- */
-/* ====================================================================
- * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#ifndef OPENSSL_NO_DGRAM
-
-#include <stdio.h>
-#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-
-#include <openssl/bio.h>
-
-#define IP_MTU 14 /* linux is lame */
-
-#ifdef WATT32
-#define sock_write SockWrite /* Watt-32 uses same names */
-#define sock_read SockRead
-#define sock_puts SockPuts
-#endif
-
-static int dgram_write(BIO *h, const char *buf, int num);
-static int dgram_read(BIO *h, char *buf, int size);
-static int dgram_puts(BIO *h, const char *str);
-static long dgram_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int dgram_new(BIO *h);
-static int dgram_free(BIO *data);
-static int dgram_clear(BIO *bio);
-
-int BIO_dgram_should_retry(int s);
-
-static BIO_METHOD methods_dgramp=
- {
- BIO_TYPE_DGRAM,
- "datagram socket",
- dgram_write,
- dgram_read,
- dgram_puts,
- NULL, /* dgram_gets, */
- dgram_ctrl,
- dgram_new,
- dgram_free,
- NULL,
- };
-
-typedef struct bio_dgram_data_st
- {
- struct sockaddr peer;
- unsigned int connected;
- unsigned int _errno;
- unsigned int mtu;
- } bio_dgram_data;
-
-BIO_METHOD *BIO_s_datagram(void)
- {
- return(&methods_dgramp);
- }
-
-BIO *BIO_new_dgram(int fd, int close_flag)
- {
- BIO *ret;
-
- ret=BIO_new(BIO_s_datagram());
- if (ret == NULL) return(NULL);
- BIO_set_fd(ret,fd,close_flag);
- return(ret);
- }
-
-static int dgram_new(BIO *bi)
- {
- bio_dgram_data *data = NULL;
-
- bi->init=0;
- bi->num=0;
- data = OPENSSL_malloc(sizeof(bio_dgram_data));
- if (data == NULL)
- return 0;
- memset(data, 0x00, sizeof(bio_dgram_data));
- bi->ptr = data;
-
- bi->flags=0;
- return(1);
- }
-
-static int dgram_free(BIO *a)
- {
- bio_dgram_data *data;
-
- if (a == NULL) return(0);
- if ( ! dgram_clear(a))
- return 0;
-
- data = (bio_dgram_data *)a->ptr;
- if(data != NULL) OPENSSL_free(data);
-
- return(1);
- }
-
-static int dgram_clear(BIO *a)
- {
- if (a == NULL) return(0);
- if (a->shutdown)
- {
- if (a->init)
- {
- SHUTDOWN2(a->num);
- }
- a->init=0;
- a->flags=0;
- }
- return(1);
- }
-
-static int dgram_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- bio_dgram_data *data = (bio_dgram_data *)b->ptr;
-
- struct sockaddr peer;
- int peerlen = sizeof(peer);
-
- if (out != NULL)
- {
- clear_socket_error();
- memset(&peer, 0x00, peerlen);
- /* Last arg in recvfrom is signed on some platforms and
- * unsigned on others. It is of type socklen_t on some
- * but this is not universal. Cast to (void *) to avoid
- * compiler warnings.
- */
- ret=recvfrom(b->num,out,outl,0,&peer,(void *)&peerlen);
-
- if ( ! data->connected && ret > 0)
- BIO_ctrl(b, BIO_CTRL_DGRAM_CONNECT, 0, &peer);
-
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_dgram_should_retry(ret))
- {
- BIO_set_retry_read(b);
- data->_errno = get_last_socket_error();
- }
- }
- }
- return(ret);
- }
-
-static int dgram_write(BIO *b, const char *in, int inl)
- {
- int ret;
- bio_dgram_data *data = (bio_dgram_data *)b->ptr;
- clear_socket_error();
-
- if ( data->connected )
- ret=send(b->num,in,inl,0);
- else
- ret=sendto(b->num, in, inl, 0, &data->peer, sizeof(data->peer));
-
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_sock_should_retry(ret))
- {
- BIO_set_retry_write(b);
- data->_errno = get_last_socket_error();
-
-#if 0 /* higher layers are responsible for querying MTU, if necessary */
- if ( data->_errno == EMSGSIZE)
- /* retrieve the new MTU */
- BIO_ctrl(b, BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
-#endif
- }
- }
- return(ret);
- }
-
-static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- long ret=1;
- int *ip;
- struct sockaddr *to = NULL;
- bio_dgram_data *data = NULL;
- long sockopt_val = 0;
- unsigned int sockopt_len = 0;
-
- data = (bio_dgram_data *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- num=0;
- case BIO_C_FILE_SEEK:
- ret=0;
- break;
- case BIO_C_FILE_TELL:
- case BIO_CTRL_INFO:
- ret=0;
- break;
- case BIO_C_SET_FD:
- dgram_clear(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;
- case BIO_CTRL_DGRAM_CONNECT:
- to = (struct sockaddr *)ptr;
-#if 0
- if (connect(b->num, to, sizeof(struct sockaddr)) < 0)
- { perror("connect"); ret = 0; }
- else
- {
-#endif
- memcpy(&(data->peer),to, sizeof(struct sockaddr));
-#if 0
- }
-#endif
- break;
- /* (Linux)kernel sets DF bit on outgoing IP packets */
-#ifdef IP_MTU_DISCOVER
- case BIO_CTRL_DGRAM_MTU_DISCOVER:
- sockopt_val = IP_PMTUDISC_DO;
- if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
- &sockopt_val, sizeof(sockopt_val))) < 0)
- perror("setsockopt");
- break;
-#endif
- case BIO_CTRL_DGRAM_QUERY_MTU:
- sockopt_len = sizeof(sockopt_val);
- if ((ret = getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
- &sockopt_len)) < 0 || sockopt_val < 0)
- { ret = 0; }
- else
- {
- data->mtu = sockopt_val;
- ret = data->mtu;
- }
- break;
- case BIO_CTRL_DGRAM_GET_MTU:
- return data->mtu;
- break;
- case BIO_CTRL_DGRAM_SET_MTU:
- data->mtu = num;
- ret = num;
- break;
- case BIO_CTRL_DGRAM_SET_CONNECTED:
- to = (struct sockaddr *)ptr;
-
- if ( to != NULL)
- {
- data->connected = 1;
- memcpy(&(data->peer),to, sizeof(struct sockaddr));
- }
- else
- {
- data->connected = 0;
- memset(&(data->peer), 0x00, sizeof(struct sockaddr));
- }
- break;
- case BIO_CTRL_DGRAM_SET_PEER:
- to = (struct sockaddr *) ptr;
-
- memcpy(&(data->peer), to, sizeof(struct sockaddr));
- break;
- case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
- if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, ptr,
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); ret = -1; }
- break;
- case BIO_CTRL_DGRAM_GET_RECV_TIMEOUT:
- if ( getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- ptr, (void *)&ret) < 0)
- { perror("getsockopt"); ret = -1; }
- break;
- case BIO_CTRL_DGRAM_SET_SEND_TIMEOUT:
- if ( setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, ptr,
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); ret = -1; }
- break;
- case BIO_CTRL_DGRAM_GET_SEND_TIMEOUT:
- if ( getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
- ptr, (void *)&ret) < 0)
- { perror("getsockopt"); ret = -1; }
- break;
- case BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP:
- /* fall-through */
- case BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP:
- if ( data->_errno == EAGAIN)
- {
- ret = 1;
- data->_errno = 0;
- }
- else
- ret = 0;
- break;
-#ifdef EMSGSIZE
- case BIO_CTRL_DGRAM_MTU_EXCEEDED:
- if ( data->_errno == EMSGSIZE)
- {
- ret = 1;
- data->_errno = 0;
- }
- else
- ret = 0;
- break;
-#endif
- default:
- ret=0;
- break;
- }
- return(ret);
- }
-
-static int dgram_puts(BIO *bp, const char *str)
- {
- int n,ret;
-
- n=strlen(str);
- ret=dgram_write(bp,str,n);
- return(ret);
- }
-
-int BIO_dgram_should_retry(int i)
- {
- int err;
-
- if ((i == 0) || (i == -1))
- {
- err=get_last_socket_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_dgram_non_fatal_error(err));
- }
- return(0);
- }
-
-int BIO_dgram_non_fatal_error(int err)
- {
- switch (err)
- {
-#if defined(OPENSSL_SYS_WINDOWS)
-# if defined(WSAEWOULDBLOCK)
- case WSAEWOULDBLOCK:
-# endif
-
-# if 0 /* This appears to always be an error */
-# if defined(WSAENOTCONN)
- case WSAENOTCONN:
-# endif
-# endif
-#endif
-
-#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
-
-/* DF bit set, and packet larger than MTU */
-#ifdef EMSGSIZE
- case EMSGSIZE:
-#endif
-
- return(1);
- /* break; */
- default:
- break;
- }
- return(0);
- }
-#endif
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