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Diffstat (limited to 'app/openssl/crypto/bio/bss_dgram.c')
-rw-r--r--app/openssl/crypto/bio/bss_dgram.c1872
1 files changed, 0 insertions, 1872 deletions
diff --git a/app/openssl/crypto/bio/bss_dgram.c b/app/openssl/crypto/bio/bss_dgram.c
deleted file mode 100644
index d9967e72..00000000
--- a/app/openssl/crypto/bio/bss_dgram.c
+++ /dev/null
@@ -1,1872 +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).
- *
- */
-
-
-#include <stdio.h>
-#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-
-#include <openssl/bio.h>
-#ifndef OPENSSL_NO_DGRAM
-
-#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS)
-#include <sys/timeb.h>
-#endif
-
-#ifndef OPENSSL_NO_SCTP
-#include <netinet/sctp.h>
-#include <fcntl.h>
-#define OPENSSL_SCTP_DATA_CHUNK_TYPE 0x00
-#define OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE 0xc0
-#endif
-
-#if defined(OPENSSL_SYS_LINUX) && !defined(IP_MTU)
-#define IP_MTU 14 /* linux is lame */
-#endif
-
-#if defined(__FreeBSD__) && defined(IN6_IS_ADDR_V4MAPPED)
-/* Standard definition causes type-punning problems. */
-#undef IN6_IS_ADDR_V4MAPPED
-#define s6_addr32 __u6_addr.__u6_addr32
-#define IN6_IS_ADDR_V4MAPPED(a) \
- (((a)->s6_addr32[0] == 0) && \
- ((a)->s6_addr32[1] == 0) && \
- ((a)->s6_addr32[2] == htonl(0x0000ffff)))
-#endif
-
-#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);
-
-#ifndef OPENSSL_NO_SCTP
-static int dgram_sctp_write(BIO *h, const char *buf, int num);
-static int dgram_sctp_read(BIO *h, char *buf, int size);
-static int dgram_sctp_puts(BIO *h, const char *str);
-static long dgram_sctp_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int dgram_sctp_new(BIO *h);
-static int dgram_sctp_free(BIO *data);
-#ifdef SCTP_AUTHENTICATION_EVENT
-static void dgram_sctp_handle_auth_free_key_event(BIO *b, union sctp_notification *snp);
-#endif
-#endif
-
-static int BIO_dgram_should_retry(int s);
-
-static void get_current_time(struct timeval *t);
-
-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,
- };
-
-#ifndef OPENSSL_NO_SCTP
-static BIO_METHOD methods_dgramp_sctp=
- {
- BIO_TYPE_DGRAM_SCTP,
- "datagram sctp socket",
- dgram_sctp_write,
- dgram_sctp_read,
- dgram_sctp_puts,
- NULL, /* dgram_gets, */
- dgram_sctp_ctrl,
- dgram_sctp_new,
- dgram_sctp_free,
- NULL,
- };
-#endif
-
-typedef struct bio_dgram_data_st
- {
- union {
- struct sockaddr sa;
- struct sockaddr_in sa_in;
-#if OPENSSL_USE_IPV6
- struct sockaddr_in6 sa_in6;
-#endif
- } peer;
- unsigned int connected;
- unsigned int _errno;
- unsigned int mtu;
- struct timeval next_timeout;
- struct timeval socket_timeout;
- } bio_dgram_data;
-
-#ifndef OPENSSL_NO_SCTP
-typedef struct bio_dgram_sctp_save_message_st
- {
- BIO *bio;
- char *data;
- int length;
- } bio_dgram_sctp_save_message;
-
-typedef struct bio_dgram_sctp_data_st
- {
- union {
- struct sockaddr sa;
- struct sockaddr_in sa_in;
-#if OPENSSL_USE_IPV6
- struct sockaddr_in6 sa_in6;
-#endif
- } peer;
- unsigned int connected;
- unsigned int _errno;
- unsigned int mtu;
- struct bio_dgram_sctp_sndinfo sndinfo;
- struct bio_dgram_sctp_rcvinfo rcvinfo;
- struct bio_dgram_sctp_prinfo prinfo;
- void (*handle_notifications)(BIO *bio, void *context, void *buf);
- void* notification_context;
- int in_handshake;
- int ccs_rcvd;
- int ccs_sent;
- int save_shutdown;
- int peer_auth_tested;
- bio_dgram_sctp_save_message saved_message;
- } bio_dgram_sctp_data;
-#endif
-
-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 void dgram_adjust_rcv_timeout(BIO *b)
- {
-#if defined(SO_RCVTIMEO)
- bio_dgram_data *data = (bio_dgram_data *)b->ptr;
- union { size_t s; int i; } sz = {0};
-
- /* Is a timer active? */
- if (data->next_timeout.tv_sec > 0 || data->next_timeout.tv_usec > 0)
- {
- struct timeval timenow, timeleft;
-
- /* Read current socket timeout */
-#ifdef OPENSSL_SYS_WINDOWS
- int timeout;
-
- sz.i = sizeof(timeout);
- if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, &sz.i) < 0)
- { perror("getsockopt"); }
- else
- {
- data->socket_timeout.tv_sec = timeout / 1000;
- data->socket_timeout.tv_usec = (timeout % 1000) * 1000;
- }
-#else
- sz.i = sizeof(data->socket_timeout);
- if ( getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- &(data->socket_timeout), (void *)&sz) < 0)
- { perror("getsockopt"); }
- else if (sizeof(sz.s)!=sizeof(sz.i) && sz.i==0)
- OPENSSL_assert(sz.s<=sizeof(data->socket_timeout));
-#endif
-
- /* Get current time */
- get_current_time(&timenow);
-
- /* Calculate time left until timer expires */
- memcpy(&timeleft, &(data->next_timeout), sizeof(struct timeval));
- timeleft.tv_sec -= timenow.tv_sec;
- timeleft.tv_usec -= timenow.tv_usec;
- if (timeleft.tv_usec < 0)
- {
- timeleft.tv_sec--;
- timeleft.tv_usec += 1000000;
- }
-
- if (timeleft.tv_sec < 0)
- {
- timeleft.tv_sec = 0;
- timeleft.tv_usec = 1;
- }
-
- /* Adjust socket timeout if next handhake message timer
- * will expire earlier.
- */
- if ((data->socket_timeout.tv_sec == 0 && data->socket_timeout.tv_usec == 0) ||
- (data->socket_timeout.tv_sec > timeleft.tv_sec) ||
- (data->socket_timeout.tv_sec == timeleft.tv_sec &&
- data->socket_timeout.tv_usec >= timeleft.tv_usec))
- {
-#ifdef OPENSSL_SYS_WINDOWS
- timeout = timeleft.tv_sec * 1000 + timeleft.tv_usec / 1000;
- if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, sizeof(timeout)) < 0)
- { perror("setsockopt"); }
-#else
- if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &timeleft,
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); }
-#endif
- }
- }
-#endif
- }
-
-static void dgram_reset_rcv_timeout(BIO *b)
- {
-#if defined(SO_RCVTIMEO)
- bio_dgram_data *data = (bio_dgram_data *)b->ptr;
-
- /* Is a timer active? */
- if (data->next_timeout.tv_sec > 0 || data->next_timeout.tv_usec > 0)
- {
-#ifdef OPENSSL_SYS_WINDOWS
- int timeout = data->socket_timeout.tv_sec * 1000 +
- data->socket_timeout.tv_usec / 1000;
- if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, sizeof(timeout)) < 0)
- { perror("setsockopt"); }
-#else
- if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &(data->socket_timeout),
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); }
-#endif
- }
-#endif
- }
-
-static int dgram_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- bio_dgram_data *data = (bio_dgram_data *)b->ptr;
-
- struct {
- /*
- * See commentary in b_sock.c. <appro>
- */
- union { size_t s; int i; } len;
- union {
- struct sockaddr sa;
- struct sockaddr_in sa_in;
-#if OPENSSL_USE_IPV6
- struct sockaddr_in6 sa_in6;
-#endif
- } peer;
- } sa;
-
- sa.len.s=0;
- sa.len.i=sizeof(sa.peer);
-
- if (out != NULL)
- {
- clear_socket_error();
- memset(&sa.peer, 0x00, sizeof(sa.peer));
- dgram_adjust_rcv_timeout(b);
- ret=recvfrom(b->num,out,outl,0,&sa.peer.sa,(void *)&sa.len);
- if (sizeof(sa.len.i)!=sizeof(sa.len.s) && sa.len.i==0)
- {
- OPENSSL_assert(sa.len.s<=sizeof(sa.peer));
- sa.len.i = (int)sa.len.s;
- }
-
- if ( ! data->connected && ret >= 0)
- BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, &sa.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();
- }
- }
-
- dgram_reset_rcv_timeout(b);
- }
- 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=writesocket(b->num,in,inl);
- else
- {
- int peerlen = sizeof(data->peer);
-
- if (data->peer.sa.sa_family == AF_INET)
- peerlen = sizeof(data->peer.sa_in);
-#if OPENSSL_USE_IPV6
- else if (data->peer.sa.sa_family == AF_INET6)
- peerlen = sizeof(data->peer.sa_in6);
-#endif
-#if defined(NETWARE_CLIB) && defined(NETWARE_BSDSOCK)
- ret=sendto(b->num, (char *)in, inl, 0, &data->peer.sa, peerlen);
-#else
- ret=sendto(b->num, in, inl, 0, &data->peer.sa, peerlen);
-#endif
- }
-
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_dgram_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;
-#if defined(OPENSSL_SYS_LINUX) && (defined(IP_MTU_DISCOVER) || defined(IP_MTU))
- int sockopt_val = 0;
- socklen_t sockopt_len; /* assume that system supporting IP_MTU is
- * modern enough to define socklen_t */
- socklen_t addr_len;
- union {
- struct sockaddr sa;
- struct sockaddr_in s4;
-#if OPENSSL_USE_IPV6
- struct sockaddr_in6 s6;
-#endif
- } addr;
-#endif
-
- 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
- switch (to->sa_family)
- {
- case AF_INET:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in));
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in6));
- break;
-#endif
- default:
- memcpy(&data->peer,to,sizeof(data->peer.sa));
- break;
- }
-#if 0
- }
-#endif
- break;
- /* (Linux)kernel sets DF bit on outgoing IP packets */
- case BIO_CTRL_DGRAM_MTU_DISCOVER:
-#if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
- addr_len = (socklen_t)sizeof(addr);
- memset((void *)&addr, 0, sizeof(addr));
- if (getsockname(b->num, &addr.sa, &addr_len) < 0)
- {
- ret = 0;
- break;
- }
- switch (addr.sa.sa_family)
- {
- case AF_INET:
- sockopt_val = IP_PMTUDISC_DO;
- if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
- &sockopt_val, sizeof(sockopt_val))) < 0)
- perror("setsockopt");
- break;
-#if OPENSSL_USE_IPV6 && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)
- case AF_INET6:
- sockopt_val = IPV6_PMTUDISC_DO;
- if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
- &sockopt_val, sizeof(sockopt_val))) < 0)
- perror("setsockopt");
- break;
-#endif
- default:
- ret = -1;
- break;
- }
- ret = -1;
-#else
- break;
-#endif
- case BIO_CTRL_DGRAM_QUERY_MTU:
-#if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU)
- addr_len = (socklen_t)sizeof(addr);
- memset((void *)&addr, 0, sizeof(addr));
- if (getsockname(b->num, &addr.sa, &addr_len) < 0)
- {
- ret = 0;
- break;
- }
- sockopt_len = sizeof(sockopt_val);
- switch (addr.sa.sa_family)
- {
- case AF_INET:
- if ((ret = getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
- &sockopt_len)) < 0 || sockopt_val < 0)
- {
- ret = 0;
- }
- else
- {
- /* we assume that the transport protocol is UDP and no
- * IP options are used.
- */
- data->mtu = sockopt_val - 8 - 20;
- ret = data->mtu;
- }
- break;
-#if OPENSSL_USE_IPV6 && defined(IPV6_MTU)
- case AF_INET6:
- if ((ret = getsockopt(b->num, IPPROTO_IPV6, IPV6_MTU, (void *)&sockopt_val,
- &sockopt_len)) < 0 || sockopt_val < 0)
- {
- ret = 0;
- }
- else
- {
- /* we assume that the transport protocol is UDP and no
- * IPV6 options are used.
- */
- data->mtu = sockopt_val - 8 - 40;
- ret = data->mtu;
- }
- break;
-#endif
- default:
- ret = 0;
- break;
- }
-#else
- ret = 0;
-#endif
- break;
- case BIO_CTRL_DGRAM_GET_FALLBACK_MTU:
- switch (data->peer.sa.sa_family)
- {
- case AF_INET:
- ret = 576 - 20 - 8;
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
-#ifdef IN6_IS_ADDR_V4MAPPED
- if (IN6_IS_ADDR_V4MAPPED(&data->peer.sa_in6.sin6_addr))
- ret = 576 - 20 - 8;
- else
-#endif
- ret = 1280 - 40 - 8;
- break;
-#endif
- default:
- ret = 576 - 20 - 8;
- break;
- }
- 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;
- switch (to->sa_family)
- {
- case AF_INET:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in));
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in6));
- break;
-#endif
- default:
- memcpy(&data->peer,to,sizeof(data->peer.sa));
- break;
- }
- }
- else
- {
- data->connected = 0;
- memset(&(data->peer), 0x00, sizeof(data->peer));
- }
- break;
- case BIO_CTRL_DGRAM_GET_PEER:
- switch (data->peer.sa.sa_family)
- {
- case AF_INET:
- ret=sizeof(data->peer.sa_in);
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
- ret=sizeof(data->peer.sa_in6);
- break;
-#endif
- default:
- ret=sizeof(data->peer.sa);
- break;
- }
- if (num==0 || num>ret)
- num=ret;
- memcpy(ptr,&data->peer,(ret=num));
- break;
- case BIO_CTRL_DGRAM_SET_PEER:
- to = (struct sockaddr *) ptr;
- switch (to->sa_family)
- {
- case AF_INET:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in));
- break;
-#if OPENSSL_USE_IPV6
- case AF_INET6:
- memcpy(&data->peer,to,sizeof(data->peer.sa_in6));
- break;
-#endif
- default:
- memcpy(&data->peer,to,sizeof(data->peer.sa));
- break;
- }
- break;
- case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
- memcpy(&(data->next_timeout), ptr, sizeof(struct timeval));
- break;
-#if defined(SO_RCVTIMEO)
- case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
-#ifdef OPENSSL_SYS_WINDOWS
- {
- struct timeval *tv = (struct timeval *)ptr;
- int timeout = tv->tv_sec * 1000 + tv->tv_usec/1000;
- if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, sizeof(timeout)) < 0)
- { perror("setsockopt"); ret = -1; }
- }
-#else
- if ( setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, ptr,
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); ret = -1; }
-#endif
- break;
- case BIO_CTRL_DGRAM_GET_RECV_TIMEOUT:
- {
- union { size_t s; int i; } sz = {0};
-#ifdef OPENSSL_SYS_WINDOWS
- int timeout;
- struct timeval *tv = (struct timeval *)ptr;
-
- sz.i = sizeof(timeout);
- if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- (void*)&timeout, &sz.i) < 0)
- { perror("getsockopt"); ret = -1; }
- else
- {
- tv->tv_sec = timeout / 1000;
- tv->tv_usec = (timeout % 1000) * 1000;
- ret = sizeof(*tv);
- }
-#else
- sz.i = sizeof(struct timeval);
- if ( getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
- ptr, (void *)&sz) < 0)
- { perror("getsockopt"); ret = -1; }
- else if (sizeof(sz.s)!=sizeof(sz.i) && sz.i==0)
- {
- OPENSSL_assert(sz.s<=sizeof(struct timeval));
- ret = (int)sz.s;
- }
- else
- ret = sz.i;
-#endif
- }
- break;
-#endif
-#if defined(SO_SNDTIMEO)
- case BIO_CTRL_DGRAM_SET_SEND_TIMEOUT:
-#ifdef OPENSSL_SYS_WINDOWS
- {
- struct timeval *tv = (struct timeval *)ptr;
- int timeout = tv->tv_sec * 1000 + tv->tv_usec/1000;
- if (setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
- (void*)&timeout, sizeof(timeout)) < 0)
- { perror("setsockopt"); ret = -1; }
- }
-#else
- if ( setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, ptr,
- sizeof(struct timeval)) < 0)
- { perror("setsockopt"); ret = -1; }
-#endif
- break;
- case BIO_CTRL_DGRAM_GET_SEND_TIMEOUT:
- {
- union { size_t s; int i; } sz = {0};
-#ifdef OPENSSL_SYS_WINDOWS
- int timeout;
- struct timeval *tv = (struct timeval *)ptr;
-
- sz.i = sizeof(timeout);
- if (getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
- (void*)&timeout, &sz.i) < 0)
- { perror("getsockopt"); ret = -1; }
- else
- {
- tv->tv_sec = timeout / 1000;
- tv->tv_usec = (timeout % 1000) * 1000;
- ret = sizeof(*tv);
- }
-#else
- sz.i = sizeof(struct timeval);
- if ( getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
- ptr, (void *)&sz) < 0)
- { perror("getsockopt"); ret = -1; }
- else if (sizeof(sz.s)!=sizeof(sz.i) && sz.i==0)
- {
- OPENSSL_assert(sz.s<=sizeof(struct timeval));
- ret = (int)sz.s;
- }
- else
- ret = sz.i;
-#endif
- }
- break;
-#endif
- case BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP:
- /* fall-through */
- case BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP:
-#ifdef OPENSSL_SYS_WINDOWS
- if ( data->_errno == WSAETIMEDOUT)
-#else
- if ( data->_errno == EAGAIN)
-#endif
- {
- 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);
- }
-
-#ifndef OPENSSL_NO_SCTP
-BIO_METHOD *BIO_s_datagram_sctp(void)
- {
- return(&methods_dgramp_sctp);
- }
-
-BIO *BIO_new_dgram_sctp(int fd, int close_flag)
- {
- BIO *bio;
- int ret, optval = 20000;
- int auth_data = 0, auth_forward = 0;
- unsigned char *p;
- struct sctp_authchunk auth;
- struct sctp_authchunks *authchunks;
- socklen_t sockopt_len;
-#ifdef SCTP_AUTHENTICATION_EVENT
-#ifdef SCTP_EVENT
- struct sctp_event event;
-#else
- struct sctp_event_subscribe event;
-#endif
-#endif
-
- bio=BIO_new(BIO_s_datagram_sctp());
- if (bio == NULL) return(NULL);
- BIO_set_fd(bio,fd,close_flag);
-
- /* Activate SCTP-AUTH for DATA and FORWARD-TSN chunks */
- auth.sauth_chunk = OPENSSL_SCTP_DATA_CHUNK_TYPE;
- ret = setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth, sizeof(struct sctp_authchunk));
- OPENSSL_assert(ret >= 0);
- auth.sauth_chunk = OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE;
- ret = setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth, sizeof(struct sctp_authchunk));
- OPENSSL_assert(ret >= 0);
-
- /* Test if activation was successful. When using accept(),
- * SCTP-AUTH has to be activated for the listening socket
- * already, otherwise the connected socket won't use it. */
- sockopt_len = (socklen_t)(sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
- authchunks = OPENSSL_malloc(sockopt_len);
- memset(authchunks, 0, sizeof(sockopt_len));
- ret = getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks, &sockopt_len);
- OPENSSL_assert(ret >= 0);
-
- for (p = (unsigned char*) authchunks->gauth_chunks;
- p < (unsigned char*) authchunks + sockopt_len;
- p += sizeof(uint8_t))
- {
- if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE) auth_data = 1;
- if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE) auth_forward = 1;
- }
-
- OPENSSL_free(authchunks);
-
- OPENSSL_assert(auth_data);
- OPENSSL_assert(auth_forward);
-
-#ifdef SCTP_AUTHENTICATION_EVENT
-#ifdef SCTP_EVENT
- memset(&event, 0, sizeof(struct sctp_event));
- event.se_assoc_id = 0;
- event.se_type = SCTP_AUTHENTICATION_EVENT;
- event.se_on = 1;
- ret = setsockopt(fd, IPPROTO_SCTP, SCTP_EVENT, &event, sizeof(struct sctp_event));
- OPENSSL_assert(ret >= 0);
-#else
- sockopt_len = (socklen_t) sizeof(struct sctp_event_subscribe);
- ret = getsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event, &sockopt_len);
- OPENSSL_assert(ret >= 0);
-
- event.sctp_authentication_event = 1;
-
- ret = setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(struct sctp_event_subscribe));
- OPENSSL_assert(ret >= 0);
-#endif
-#endif
-
- /* Disable partial delivery by setting the min size
- * larger than the max record size of 2^14 + 2048 + 13
- */
- ret = setsockopt(fd, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT, &optval, sizeof(optval));
- OPENSSL_assert(ret >= 0);
-
- return(bio);
- }
-
-int BIO_dgram_is_sctp(BIO *bio)
- {
- return (BIO_method_type(bio) == BIO_TYPE_DGRAM_SCTP);
- }
-
-static int dgram_sctp_new(BIO *bi)
- {
- bio_dgram_sctp_data *data = NULL;
-
- bi->init=0;
- bi->num=0;
- data = OPENSSL_malloc(sizeof(bio_dgram_sctp_data));
- if (data == NULL)
- return 0;
- memset(data, 0x00, sizeof(bio_dgram_sctp_data));
-#ifdef SCTP_PR_SCTP_NONE
- data->prinfo.pr_policy = SCTP_PR_SCTP_NONE;
-#endif
- bi->ptr = data;
-
- bi->flags=0;
- return(1);
- }
-
-static int dgram_sctp_free(BIO *a)
- {
- bio_dgram_sctp_data *data;
-
- if (a == NULL) return(0);
- if ( ! dgram_clear(a))
- return 0;
-
- data = (bio_dgram_sctp_data *)a->ptr;
- if(data != NULL) OPENSSL_free(data);
-
- return(1);
- }
-
-#ifdef SCTP_AUTHENTICATION_EVENT
-void dgram_sctp_handle_auth_free_key_event(BIO *b, union sctp_notification *snp)
- {
- int ret;
- struct sctp_authkey_event* authkeyevent = &snp->sn_auth_event;
-
- if (authkeyevent->auth_indication == SCTP_AUTH_FREE_KEY)
- {
- struct sctp_authkeyid authkeyid;
-
- /* delete key */
- authkeyid.scact_keynumber = authkeyevent->auth_keynumber;
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
- &authkeyid, sizeof(struct sctp_authkeyid));
- }
- }
-#endif
-
-static int dgram_sctp_read(BIO *b, char *out, int outl)
- {
- int ret = 0, n = 0, i, optval;
- socklen_t optlen;
- bio_dgram_sctp_data *data = (bio_dgram_sctp_data *)b->ptr;
- union sctp_notification *snp;
- struct msghdr msg;
- struct iovec iov;
- struct cmsghdr *cmsg;
- char cmsgbuf[512];
-
- if (out != NULL)
- {
- clear_socket_error();
-
- do
- {
- memset(&data->rcvinfo, 0x00, sizeof(struct bio_dgram_sctp_rcvinfo));
- iov.iov_base = out;
- iov.iov_len = outl;
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = cmsgbuf;
- msg.msg_controllen = 512;
- msg.msg_flags = 0;
- n = recvmsg(b->num, &msg, 0);
-
- if (msg.msg_controllen > 0)
- {
- for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
- {
- if (cmsg->cmsg_level != IPPROTO_SCTP)
- continue;
-#ifdef SCTP_RCVINFO
- if (cmsg->cmsg_type == SCTP_RCVINFO)
- {
- struct sctp_rcvinfo *rcvinfo;
-
- rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
- data->rcvinfo.rcv_sid = rcvinfo->rcv_sid;
- data->rcvinfo.rcv_ssn = rcvinfo->rcv_ssn;
- data->rcvinfo.rcv_flags = rcvinfo->rcv_flags;
- data->rcvinfo.rcv_ppid = rcvinfo->rcv_ppid;
- data->rcvinfo.rcv_tsn = rcvinfo->rcv_tsn;
- data->rcvinfo.rcv_cumtsn = rcvinfo->rcv_cumtsn;
- data->rcvinfo.rcv_context = rcvinfo->rcv_context;
- }
-#endif
-#ifdef SCTP_SNDRCV
- if (cmsg->cmsg_type == SCTP_SNDRCV)
- {
- struct sctp_sndrcvinfo *sndrcvinfo;
-
- sndrcvinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
- data->rcvinfo.rcv_sid = sndrcvinfo->sinfo_stream;
- data->rcvinfo.rcv_ssn = sndrcvinfo->sinfo_ssn;
- data->rcvinfo.rcv_flags = sndrcvinfo->sinfo_flags;
- data->rcvinfo.rcv_ppid = sndrcvinfo->sinfo_ppid;
- data->rcvinfo.rcv_tsn = sndrcvinfo->sinfo_tsn;
- data->rcvinfo.rcv_cumtsn = sndrcvinfo->sinfo_cumtsn;
- data->rcvinfo.rcv_context = sndrcvinfo->sinfo_context;
- }
-#endif
- }
- }
-
- if (n <= 0)
- {
- if (n < 0)
- ret = n;
- break;
- }
-
- if (msg.msg_flags & MSG_NOTIFICATION)
- {
- snp = (union sctp_notification*) out;
- if (snp->sn_header.sn_type == SCTP_SENDER_DRY_EVENT)
- {
-#ifdef SCTP_EVENT
- struct sctp_event event;
-#else
- struct sctp_event_subscribe event;
- socklen_t eventsize;
-#endif
- /* If a message has been delayed until the socket
- * is dry, it can be sent now.
- */
- if (data->saved_message.length > 0)
- {
- dgram_sctp_write(data->saved_message.bio, data->saved_message.data,
- data->saved_message.length);
- OPENSSL_free(data->saved_message.data);
- data->saved_message.length = 0;
- }
-
- /* disable sender dry event */
-#ifdef SCTP_EVENT
- memset(&event, 0, sizeof(struct sctp_event));
- event.se_assoc_id = 0;
- event.se_type = SCTP_SENDER_DRY_EVENT;
- event.se_on = 0;
- i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event, sizeof(struct sctp_event));
- OPENSSL_assert(i >= 0);
-#else
- eventsize = sizeof(struct sctp_event_subscribe);
- i = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, &eventsize);
- OPENSSL_assert(i >= 0);
-
- event.sctp_sender_dry_event = 0;
-
- i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(struct sctp_event_subscribe));
- OPENSSL_assert(i >= 0);
-#endif
- }
-
-#ifdef SCTP_AUTHENTICATION_EVENT
- if (snp->sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
- dgram_sctp_handle_auth_free_key_event(b, snp);
-#endif
-
- if (data->handle_notifications != NULL)
- data->handle_notifications(b, data->notification_context, (void*) out);
-
- memset(out, 0, outl);
- }
- else
- ret += n;
- }
- while ((msg.msg_flags & MSG_NOTIFICATION) && (msg.msg_flags & MSG_EOR) && (ret < outl));
-
- if (ret > 0 && !(msg.msg_flags & MSG_EOR))
- {
- /* Partial message read, this should never happen! */
-
- /* The buffer was too small, this means the peer sent
- * a message that was larger than allowed. */
- if (ret == outl)
- return -1;
-
- /* Test if socket buffer can handle max record
- * size (2^14 + 2048 + 13)
- */
- optlen = (socklen_t) sizeof(int);
- ret = getsockopt(b->num, SOL_SOCKET, SO_RCVBUF, &optval, &optlen);
- OPENSSL_assert(ret >= 0);
- OPENSSL_assert(optval >= 18445);
-
- /* Test if SCTP doesn't partially deliver below
- * max record size (2^14 + 2048 + 13)
- */
- optlen = (socklen_t) sizeof(int);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT,
- &optval, &optlen);
- OPENSSL_assert(ret >= 0);
- OPENSSL_assert(optval >= 18445);
-
- /* Partially delivered notification??? Probably a bug.... */
- OPENSSL_assert(!(msg.msg_flags & MSG_NOTIFICATION));
-
- /* Everything seems ok till now, so it's most likely
- * a message dropped by PR-SCTP.
- */
- memset(out, 0, outl);
- BIO_set_retry_read(b);
- return -1;
- }
-
- 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();
- }
- }
-
- /* Test if peer uses SCTP-AUTH before continuing */
- if (!data->peer_auth_tested)
- {
- int ii, auth_data = 0, auth_forward = 0;
- unsigned char *p;
- struct sctp_authchunks *authchunks;
-
- optlen = (socklen_t)(sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
- authchunks = OPENSSL_malloc(optlen);
- memset(authchunks, 0, sizeof(optlen));
- ii = getsockopt(b->num, IPPROTO_SCTP, SCTP_PEER_AUTH_CHUNKS, authchunks, &optlen);
- OPENSSL_assert(ii >= 0);
-
- for (p = (unsigned char*) authchunks->gauth_chunks;
- p < (unsigned char*) authchunks + optlen;
- p += sizeof(uint8_t))
- {
- if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE) auth_data = 1;
- if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE) auth_forward = 1;
- }
-
- OPENSSL_free(authchunks);
-
- if (!auth_data || !auth_forward)
- {
- BIOerr(BIO_F_DGRAM_SCTP_READ,BIO_R_CONNECT_ERROR);
- return -1;
- }
-
- data->peer_auth_tested = 1;
- }
- }
- return(ret);
- }
-
-static int dgram_sctp_write(BIO *b, const char *in, int inl)
- {
- int ret;
- bio_dgram_sctp_data *data = (bio_dgram_sctp_data *)b->ptr;
- struct bio_dgram_sctp_sndinfo *sinfo = &(data->sndinfo);
- struct bio_dgram_sctp_prinfo *pinfo = &(data->prinfo);
- struct bio_dgram_sctp_sndinfo handshake_sinfo;
- struct iovec iov[1];
- struct msghdr msg;
- struct cmsghdr *cmsg;
-#if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
- char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo)) + CMSG_SPACE(sizeof(struct sctp_prinfo))];
- struct sctp_sndinfo *sndinfo;
- struct sctp_prinfo *prinfo;
-#else
- char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
- struct sctp_sndrcvinfo *sndrcvinfo;
-#endif
-
- clear_socket_error();
-
- /* If we're send anything else than application data,
- * disable all user parameters and flags.
- */
- if (in[0] != 23) {
- memset(&handshake_sinfo, 0x00, sizeof(struct bio_dgram_sctp_sndinfo));
-#ifdef SCTP_SACK_IMMEDIATELY
- handshake_sinfo.snd_flags = SCTP_SACK_IMMEDIATELY;
-#endif
- sinfo = &handshake_sinfo;
- }
-
- /* If we have to send a shutdown alert message and the
- * socket is not dry yet, we have to save it and send it
- * as soon as the socket gets dry.
- */
- if (data->save_shutdown && !BIO_dgram_sctp_wait_for_dry(b))
- {
- data->saved_message.bio = b;
- data->saved_message.length = inl;
- data->saved_message.data = OPENSSL_malloc(inl);
- memcpy(data->saved_message.data, in, inl);
- return inl;
- }
-
- iov[0].iov_base = (char *)in;
- iov[0].iov_len = inl;
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = iov;
- msg.msg_iovlen = 1;
- msg.msg_control = (caddr_t)cmsgbuf;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-#if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
- cmsg = (struct cmsghdr *)cmsgbuf;
- cmsg->cmsg_level = IPPROTO_SCTP;
- cmsg->cmsg_type = SCTP_SNDINFO;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
- sndinfo = (struct sctp_sndinfo *)CMSG_DATA(cmsg);
- memset(sndinfo, 0, sizeof(struct sctp_sndinfo));
- sndinfo->snd_sid = sinfo->snd_sid;
- sndinfo->snd_flags = sinfo->snd_flags;
- sndinfo->snd_ppid = sinfo->snd_ppid;
- sndinfo->snd_context = sinfo->snd_context;
- msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
-
- cmsg = (struct cmsghdr *)&cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo))];
- cmsg->cmsg_level = IPPROTO_SCTP;
- cmsg->cmsg_type = SCTP_PRINFO;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
- prinfo = (struct sctp_prinfo *)CMSG_DATA(cmsg);
- memset(prinfo, 0, sizeof(struct sctp_prinfo));
- prinfo->pr_policy = pinfo->pr_policy;
- prinfo->pr_value = pinfo->pr_value;
- msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
-#else
- cmsg = (struct cmsghdr *)cmsgbuf;
- cmsg->cmsg_level = IPPROTO_SCTP;
- cmsg->cmsg_type = SCTP_SNDRCV;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
- sndrcvinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
- memset(sndrcvinfo, 0, sizeof(struct sctp_sndrcvinfo));
- sndrcvinfo->sinfo_stream = sinfo->snd_sid;
- sndrcvinfo->sinfo_flags = sinfo->snd_flags;
-#ifdef __FreeBSD__
- sndrcvinfo->sinfo_flags |= pinfo->pr_policy;
-#endif
- sndrcvinfo->sinfo_ppid = sinfo->snd_ppid;
- sndrcvinfo->sinfo_context = sinfo->snd_context;
- sndrcvinfo->sinfo_timetolive = pinfo->pr_value;
- msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
-#endif
-
- ret = sendmsg(b->num, &msg, 0);
-
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_dgram_should_retry(ret))
- {
- BIO_set_retry_write(b);
- data->_errno = get_last_socket_error();
- }
- }
- return(ret);
- }
-
-static long dgram_sctp_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- long ret=1;
- bio_dgram_sctp_data *data = NULL;
- socklen_t sockopt_len = 0;
- struct sctp_authkeyid authkeyid;
- struct sctp_authkey *authkey = NULL;
-
- data = (bio_dgram_sctp_data *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_DGRAM_QUERY_MTU:
- /* Set to maximum (2^14)
- * and ignore user input to enable transport
- * protocol fragmentation.
- * Returns always 2^14.
- */
- data->mtu = 16384;
- ret = data->mtu;
- break;
- case BIO_CTRL_DGRAM_SET_MTU:
- /* Set to maximum (2^14)
- * and ignore input to enable transport
- * protocol fragmentation.
- * Returns always 2^14.
- */
- data->mtu = 16384;
- ret = data->mtu;
- break;
- case BIO_CTRL_DGRAM_SET_CONNECTED:
- case BIO_CTRL_DGRAM_CONNECT:
- /* Returns always -1. */
- ret = -1;
- break;
- case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
- /* SCTP doesn't need the DTLS timer
- * Returns always 1.
- */
- break;
- case BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE:
- if (num > 0)
- data->in_handshake = 1;
- else
- data->in_handshake = 0;
-
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_NODELAY, &data->in_handshake, sizeof(int));
- break;
- case BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY:
- /* New shared key for SCTP AUTH.
- * Returns 0 on success, -1 otherwise.
- */
-
- /* Get active key */
- sockopt_len = sizeof(struct sctp_authkeyid);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid, &sockopt_len);
- if (ret < 0) break;
-
- /* Add new key */
- sockopt_len = sizeof(struct sctp_authkey) + 64 * sizeof(uint8_t);
- authkey = OPENSSL_malloc(sockopt_len);
- if (authkey == NULL)
- {
- ret = -1;
- break;
- }
- memset(authkey, 0x00, sockopt_len);
- authkey->sca_keynumber = authkeyid.scact_keynumber + 1;
-#ifndef __FreeBSD__
- /* This field is missing in FreeBSD 8.2 and earlier,
- * and FreeBSD 8.3 and higher work without it.
- */
- authkey->sca_keylength = 64;
-#endif
- memcpy(&authkey->sca_key[0], ptr, 64 * sizeof(uint8_t));
-
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_KEY, authkey, sockopt_len);
- OPENSSL_free(authkey);
- authkey = NULL;
- if (ret < 0) break;
-
- /* Reset active key */
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
- &authkeyid, sizeof(struct sctp_authkeyid));
- if (ret < 0) break;
-
- break;
- case BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY:
- /* Returns 0 on success, -1 otherwise. */
-
- /* Get active key */
- sockopt_len = sizeof(struct sctp_authkeyid);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid, &sockopt_len);
- if (ret < 0) break;
-
- /* Set active key */
- authkeyid.scact_keynumber = authkeyid.scact_keynumber + 1;
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
- &authkeyid, sizeof(struct sctp_authkeyid));
- if (ret < 0) break;
-
- /* CCS has been sent, so remember that and fall through
- * to check if we need to deactivate an old key
- */
- data->ccs_sent = 1;
-
- case BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD:
- /* Returns 0 on success, -1 otherwise. */
-
- /* Has this command really been called or is this just a fall-through? */
- if (cmd == BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD)
- data->ccs_rcvd = 1;
-
- /* CSS has been both, received and sent, so deactivate an old key */
- if (data->ccs_rcvd == 1 && data->ccs_sent == 1)
- {
- /* Get active key */
- sockopt_len = sizeof(struct sctp_authkeyid);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid, &sockopt_len);
- if (ret < 0) break;
-
- /* Deactivate key or delete second last key if
- * SCTP_AUTHENTICATION_EVENT is not available.
- */
- authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
-#ifdef SCTP_AUTH_DEACTIVATE_KEY
- sockopt_len = sizeof(struct sctp_authkeyid);
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DEACTIVATE_KEY,
- &authkeyid, sockopt_len);
- if (ret < 0) break;
-#endif
-#ifndef SCTP_AUTHENTICATION_EVENT
- if (authkeyid.scact_keynumber > 0)
- {
- authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
- &authkeyid, sizeof(struct sctp_authkeyid));
- if (ret < 0) break;
- }
-#endif
-
- data->ccs_rcvd = 0;
- data->ccs_sent = 0;
- }
- break;
- case BIO_CTRL_DGRAM_SCTP_GET_SNDINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_sndinfo))
- num = sizeof(struct bio_dgram_sctp_sndinfo);
-
- memcpy(ptr, &(data->sndinfo), num);
- ret = num;
- break;
- case BIO_CTRL_DGRAM_SCTP_SET_SNDINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_sndinfo))
- num = sizeof(struct bio_dgram_sctp_sndinfo);
-
- memcpy(&(data->sndinfo), ptr, num);
- break;
- case BIO_CTRL_DGRAM_SCTP_GET_RCVINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_rcvinfo))
- num = sizeof(struct bio_dgram_sctp_rcvinfo);
-
- memcpy(ptr, &data->rcvinfo, num);
-
- ret = num;
- break;
- case BIO_CTRL_DGRAM_SCTP_SET_RCVINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_rcvinfo))
- num = sizeof(struct bio_dgram_sctp_rcvinfo);
-
- memcpy(&(data->rcvinfo), ptr, num);
- break;
- case BIO_CTRL_DGRAM_SCTP_GET_PRINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_prinfo))
- num = sizeof(struct bio_dgram_sctp_prinfo);
-
- memcpy(ptr, &(data->prinfo), num);
- ret = num;
- break;
- case BIO_CTRL_DGRAM_SCTP_SET_PRINFO:
- /* Returns the size of the copied struct. */
- if (num > (long) sizeof(struct bio_dgram_sctp_prinfo))
- num = sizeof(struct bio_dgram_sctp_prinfo);
-
- memcpy(&(data->prinfo), ptr, num);
- break;
- case BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN:
- /* Returns always 1. */
- if (num > 0)
- data->save_shutdown = 1;
- else
- data->save_shutdown = 0;
- break;
-
- default:
- /* Pass to default ctrl function to
- * process SCTP unspecific commands
- */
- ret=dgram_ctrl(b, cmd, num, ptr);
- break;
- }
- return(ret);
- }
-
-int BIO_dgram_sctp_notification_cb(BIO *b,
- void (*handle_notifications)(BIO *bio, void *context, void *buf),
- void *context)
- {
- bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
-
- if (handle_notifications != NULL)
- {
- data->handle_notifications = handle_notifications;
- data->notification_context = context;
- }
- else
- return -1;
-
- return 0;
- }
-
-int BIO_dgram_sctp_wait_for_dry(BIO *b)
-{
- int is_dry = 0;
- int n, sockflags, ret;
- union sctp_notification snp;
- struct msghdr msg;
- struct iovec iov;
-#ifdef SCTP_EVENT
- struct sctp_event event;
-#else
- struct sctp_event_subscribe event;
- socklen_t eventsize;
-#endif
- bio_dgram_sctp_data *data = (bio_dgram_sctp_data *)b->ptr;
-
- /* set sender dry event */
-#ifdef SCTP_EVENT
- memset(&event, 0, sizeof(struct sctp_event));
- event.se_assoc_id = 0;
- event.se_type = SCTP_SENDER_DRY_EVENT;
- event.se_on = 1;
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event, sizeof(struct sctp_event));
-#else
- eventsize = sizeof(struct sctp_event_subscribe);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, &eventsize);
- if (ret < 0)
- return -1;
-
- event.sctp_sender_dry_event = 1;
-
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(struct sctp_event_subscribe));
-#endif
- if (ret < 0)
- return -1;
-
- /* peek for notification */
- memset(&snp, 0x00, sizeof(union sctp_notification));
- iov.iov_base = (char *)&snp;
- iov.iov_len = sizeof(union sctp_notification);
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- n = recvmsg(b->num, &msg, MSG_PEEK);
- if (n <= 0)
- {
- if ((n < 0) && (get_last_socket_error() != EAGAIN) && (get_last_socket_error() != EWOULDBLOCK))
- return -1;
- else
- return 0;
- }
-
- /* if we find a notification, process it and try again if necessary */
- while (msg.msg_flags & MSG_NOTIFICATION)
- {
- memset(&snp, 0x00, sizeof(union sctp_notification));
- iov.iov_base = (char *)&snp;
- iov.iov_len = sizeof(union sctp_notification);
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- n = recvmsg(b->num, &msg, 0);
- if (n <= 0)
- {
- if ((n < 0) && (get_last_socket_error() != EAGAIN) && (get_last_socket_error() != EWOULDBLOCK))
- return -1;
- else
- return is_dry;
- }
-
- if (snp.sn_header.sn_type == SCTP_SENDER_DRY_EVENT)
- {
- is_dry = 1;
-
- /* disable sender dry event */
-#ifdef SCTP_EVENT
- memset(&event, 0, sizeof(struct sctp_event));
- event.se_assoc_id = 0;
- event.se_type = SCTP_SENDER_DRY_EVENT;
- event.se_on = 0;
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event, sizeof(struct sctp_event));
-#else
- eventsize = (socklen_t) sizeof(struct sctp_event_subscribe);
- ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, &eventsize);
- if (ret < 0)
- return -1;
-
- event.sctp_sender_dry_event = 0;
-
- ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(struct sctp_event_subscribe));
-#endif
- if (ret < 0)
- return -1;
- }
-
-#ifdef SCTP_AUTHENTICATION_EVENT
- if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
- dgram_sctp_handle_auth_free_key_event(b, &snp);
-#endif
-
- if (data->handle_notifications != NULL)
- data->handle_notifications(b, data->notification_context, (void*) &snp);
-
- /* found notification, peek again */
- memset(&snp, 0x00, sizeof(union sctp_notification));
- iov.iov_base = (char *)&snp;
- iov.iov_len = sizeof(union sctp_notification);
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- /* if we have seen the dry already, don't wait */
- if (is_dry)
- {
- sockflags = fcntl(b->num, F_GETFL, 0);
- fcntl(b->num, F_SETFL, O_NONBLOCK);
- }
-
- n = recvmsg(b->num, &msg, MSG_PEEK);
-
- if (is_dry)
- {
- fcntl(b->num, F_SETFL, sockflags);
- }
-
- if (n <= 0)
- {
- if ((n < 0) && (get_last_socket_error() != EAGAIN) && (get_last_socket_error() != EWOULDBLOCK))
- return -1;
- else
- return is_dry;
- }
- }
-
- /* read anything else */
- return is_dry;
-}
-
-int BIO_dgram_sctp_msg_waiting(BIO *b)
- {
- int n, sockflags;
- union sctp_notification snp;
- struct msghdr msg;
- struct iovec iov;
- bio_dgram_sctp_data *data = (bio_dgram_sctp_data *)b->ptr;
-
- /* Check if there are any messages waiting to be read */
- do
- {
- memset(&snp, 0x00, sizeof(union sctp_notification));
- iov.iov_base = (char *)&snp;
- iov.iov_len = sizeof(union sctp_notification);
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- sockflags = fcntl(b->num, F_GETFL, 0);
- fcntl(b->num, F_SETFL, O_NONBLOCK);
- n = recvmsg(b->num, &msg, MSG_PEEK);
- fcntl(b->num, F_SETFL, sockflags);
-
- /* if notification, process and try again */
- if (n > 0 && (msg.msg_flags & MSG_NOTIFICATION))
- {
-#ifdef SCTP_AUTHENTICATION_EVENT
- if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
- dgram_sctp_handle_auth_free_key_event(b, &snp);
-#endif
-
- memset(&snp, 0x00, sizeof(union sctp_notification));
- iov.iov_base = (char *)&snp;
- iov.iov_len = sizeof(union sctp_notification);
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
- n = recvmsg(b->num, &msg, 0);
-
- if (data->handle_notifications != NULL)
- data->handle_notifications(b, data->notification_context, (void*) &snp);
- }
-
- } while (n > 0 && (msg.msg_flags & MSG_NOTIFICATION));
-
- /* Return 1 if there is a message to be read, return 0 otherwise. */
- if (n > 0)
- return 1;
- else
- return 0;
- }
-
-static int dgram_sctp_puts(BIO *bp, const char *str)
- {
- int n,ret;
-
- n=strlen(str);
- ret=dgram_sctp_write(bp,str,n);
- return(ret);
- }
-#endif
-
-static int BIO_dgram_should_retry(int i)
- {
- int err;
-
- if ((i == 0) || (i == -1))
- {
- err=get_last_socket_error();
-
-#if defined(OPENSSL_SYS_WINDOWS)
- /* If the socket return value (i) is -1
- * and err is unexpectedly 0 at this point,
- * the error code was overwritten by
- * another system call before this error
- * handling is called.
- */
-#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
-
-#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);
- }
-
-static void get_current_time(struct timeval *t)
- {
-#ifdef OPENSSL_SYS_WIN32
- struct _timeb tb;
- _ftime(&tb);
- t->tv_sec = (long)tb.time;
- t->tv_usec = (long)tb.millitm * 1000;
-#elif defined(OPENSSL_SYS_VMS)
- struct timeb tb;
- ftime(&tb);
- t->tv_sec = (long)tb.time;
- t->tv_usec = (long)tb.millitm * 1000;
-#else
- gettimeofday(t, NULL);
-#endif
- }
-
-#endif