summaryrefslogtreecommitdiff
path: root/openssl/crypto/bio/bss_conn.c
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/crypto/bio/bss_conn.c')
-rw-r--r--openssl/crypto/bio/bss_conn.c652
1 files changed, 0 insertions, 652 deletions
diff --git a/openssl/crypto/bio/bss_conn.c b/openssl/crypto/bio/bss_conn.c
deleted file mode 100644
index c1472785..00000000
--- a/openssl/crypto/bio/bss_conn.c
+++ /dev/null
@@ -1,652 +0,0 @@
-/* crypto/bio/bss_conn.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
-
-#ifndef OPENSSL_NO_SOCK
-
-#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_connect_st
- {
- int state;
-
- char *param_hostname;
- char *param_port;
- int nbio;
-
- unsigned char ip[4];
- unsigned short port;
-
- struct sockaddr_in them;
-
- /* int socket; this will be kept in bio->num so that it is
- * compatible with the bss_sock bio */
-
- /* called when the connection is initially made
- * callback(BIO,state,ret); The callback should return
- * 'ret'. state is for compatibility with the ssl info_callback */
- int (*info_callback)(const BIO *bio,int state,int ret);
- } BIO_CONNECT;
-
-static int conn_write(BIO *h, const char *buf, int num);
-static int conn_read(BIO *h, char *buf, int size);
-static int conn_puts(BIO *h, const char *str);
-static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int conn_new(BIO *h);
-static int conn_free(BIO *data);
-static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
-
-static int conn_state(BIO *b, BIO_CONNECT *c);
-static void conn_close_socket(BIO *data);
-BIO_CONNECT *BIO_CONNECT_new(void );
-void BIO_CONNECT_free(BIO_CONNECT *a);
-
-static BIO_METHOD methods_connectp=
- {
- BIO_TYPE_CONNECT,
- "socket connect",
- conn_write,
- conn_read,
- conn_puts,
- NULL, /* connect_gets, */
- conn_ctrl,
- conn_new,
- conn_free,
- conn_callback_ctrl,
- };
-
-static int conn_state(BIO *b, BIO_CONNECT *c)
- {
- int ret= -1,i;
- unsigned long l;
- char *p,*q;
- int (*cb)(const BIO *,int,int)=NULL;
-
- if (c->info_callback != NULL)
- cb=c->info_callback;
-
- for (;;)
- {
- switch (c->state)
- {
- case BIO_CONN_S_BEFORE:
- p=c->param_hostname;
- if (p == NULL)
- {
- BIOerr(BIO_F_CONN_STATE,BIO_R_NO_HOSTNAME_SPECIFIED);
- goto exit_loop;
- }
- for ( ; *p != '\0'; p++)
- {
- if ((*p == ':') || (*p == '/')) break;
- }
-
- i= *p;
- if ((i == ':') || (i == '/'))
- {
-
- *(p++)='\0';
- if (i == ':')
- {
- for (q=p; *q; q++)
- if (*q == '/')
- {
- *q='\0';
- break;
- }
- if (c->param_port != NULL)
- OPENSSL_free(c->param_port);
- c->param_port=BUF_strdup(p);
- }
- }
-
- if (c->param_port == NULL)
- {
- BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED);
- ERR_add_error_data(2,"host=",c->param_hostname);
- goto exit_loop;
- }
- c->state=BIO_CONN_S_GET_IP;
- break;
-
- case BIO_CONN_S_GET_IP:
- if (BIO_get_host_ip(c->param_hostname,&(c->ip[0])) <= 0)
- goto exit_loop;
- c->state=BIO_CONN_S_GET_PORT;
- break;
-
- case BIO_CONN_S_GET_PORT:
- if (c->param_port == NULL)
- {
- /* abort(); */
- goto exit_loop;
- }
- else if (BIO_get_port(c->param_port,&c->port) <= 0)
- goto exit_loop;
- c->state=BIO_CONN_S_CREATE_SOCKET;
- break;
-
- case BIO_CONN_S_CREATE_SOCKET:
- /* now setup address */
- memset((char *)&c->them,0,sizeof(c->them));
- c->them.sin_family=AF_INET;
- c->them.sin_port=htons((unsigned short)c->port);
- l=(unsigned long)
- ((unsigned long)c->ip[0]<<24L)|
- ((unsigned long)c->ip[1]<<16L)|
- ((unsigned long)c->ip[2]<< 8L)|
- ((unsigned long)c->ip[3]);
- c->them.sin_addr.s_addr=htonl(l);
- c->state=BIO_CONN_S_CREATE_SOCKET;
-
- ret=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
- if (ret == INVALID_SOCKET)
- {
- SYSerr(SYS_F_SOCKET,get_last_socket_error());
- ERR_add_error_data(4,"host=",c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_UNABLE_TO_CREATE_SOCKET);
- goto exit_loop;
- }
- b->num=ret;
- c->state=BIO_CONN_S_NBIO;
- break;
-
- case BIO_CONN_S_NBIO:
- if (c->nbio)
- {
- if (!BIO_socket_nbio(b->num,1))
- {
- BIOerr(BIO_F_CONN_STATE,BIO_R_ERROR_SETTING_NBIO);
- ERR_add_error_data(4,"host=",
- c->param_hostname,
- ":",c->param_port);
- goto exit_loop;
- }
- }
- c->state=BIO_CONN_S_CONNECT;
-
-#if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
- i=1;
- i=setsockopt(b->num,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
- if (i < 0)
- {
- SYSerr(SYS_F_SOCKET,get_last_socket_error());
- ERR_add_error_data(4,"host=",c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_KEEPALIVE);
- goto exit_loop;
- }
-#endif
- break;
-
- case BIO_CONN_S_CONNECT:
- BIO_clear_retry_flags(b);
- ret=connect(b->num,
- (struct sockaddr *)&c->them,
- sizeof(c->them));
- b->retry_reason=0;
- if (ret < 0)
- {
- if (BIO_sock_should_retry(ret))
- {
- BIO_set_retry_special(b);
- c->state=BIO_CONN_S_BLOCKED_CONNECT;
- b->retry_reason=BIO_RR_CONNECT;
- }
- else
- {
- SYSerr(SYS_F_CONNECT,get_last_socket_error());
- ERR_add_error_data(4,"host=",
- c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR);
- }
- goto exit_loop;
- }
- else
- c->state=BIO_CONN_S_OK;
- break;
-
- case BIO_CONN_S_BLOCKED_CONNECT:
- i=BIO_sock_error(b->num);
- if (i)
- {
- BIO_clear_retry_flags(b);
- SYSerr(SYS_F_CONNECT,i);
- ERR_add_error_data(4,"host=",
- c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR);
- ret=0;
- goto exit_loop;
- }
- else
- c->state=BIO_CONN_S_OK;
- break;
-
- case BIO_CONN_S_OK:
- ret=1;
- goto exit_loop;
- default:
- /* abort(); */
- goto exit_loop;
- }
-
- if (cb != NULL)
- {
- if (!(ret=cb((BIO *)b,c->state,ret)))
- goto end;
- }
- }
-
- /* Loop does not exit */
-exit_loop:
- if (cb != NULL)
- ret=cb((BIO *)b,c->state,ret);
-end:
- return(ret);
- }
-
-BIO_CONNECT *BIO_CONNECT_new(void)
- {
- BIO_CONNECT *ret;
-
- if ((ret=(BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
- return(NULL);
- ret->state=BIO_CONN_S_BEFORE;
- ret->param_hostname=NULL;
- ret->param_port=NULL;
- ret->info_callback=NULL;
- ret->nbio=0;
- ret->ip[0]=0;
- ret->ip[1]=0;
- ret->ip[2]=0;
- ret->ip[3]=0;
- ret->port=0;
- memset((char *)&ret->them,0,sizeof(ret->them));
- return(ret);
- }
-
-void BIO_CONNECT_free(BIO_CONNECT *a)
- {
- if(a == NULL)
- return;
-
- if (a->param_hostname != NULL)
- OPENSSL_free(a->param_hostname);
- if (a->param_port != NULL)
- OPENSSL_free(a->param_port);
- OPENSSL_free(a);
- }
-
-BIO_METHOD *BIO_s_connect(void)
- {
- return(&methods_connectp);
- }
-
-static int conn_new(BIO *bi)
- {
- bi->init=0;
- bi->num=INVALID_SOCKET;
- bi->flags=0;
- if ((bi->ptr=(char *)BIO_CONNECT_new()) == NULL)
- return(0);
- else
- return(1);
- }
-
-static void conn_close_socket(BIO *bio)
- {
- BIO_CONNECT *c;
-
- c=(BIO_CONNECT *)bio->ptr;
- if (bio->num != INVALID_SOCKET)
- {
- /* Only do a shutdown if things were established */
- if (c->state == BIO_CONN_S_OK)
- shutdown(bio->num,2);
- closesocket(bio->num);
- bio->num=INVALID_SOCKET;
- }
- }
-
-static int conn_free(BIO *a)
- {
- BIO_CONNECT *data;
-
- if (a == NULL) return(0);
- data=(BIO_CONNECT *)a->ptr;
-
- if (a->shutdown)
- {
- conn_close_socket(a);
- BIO_CONNECT_free(data);
- a->ptr=NULL;
- a->flags=0;
- a->init=0;
- }
- return(1);
- }
-
-static int conn_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
- if (data->state != BIO_CONN_S_OK)
- {
- ret=conn_state(b,data);
- if (ret <= 0)
- return(ret);
- }
-
- if (out != NULL)
- {
- clear_socket_error();
- ret=readsocket(b->num,out,outl);
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_sock_should_retry(ret))
- BIO_set_retry_read(b);
- }
- }
- return(ret);
- }
-
-static int conn_write(BIO *b, const char *in, int inl)
- {
- int ret;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
- if (data->state != BIO_CONN_S_OK)
- {
- ret=conn_state(b,data);
- if (ret <= 0) return(ret);
- }
-
- clear_socket_error();
- ret=writesocket(b->num,in,inl);
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_sock_should_retry(ret))
- BIO_set_retry_write(b);
- }
- return(ret);
- }
-
-static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- BIO *dbio;
- int *ip;
- const char **pptr;
- long ret=1;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- ret=0;
- data->state=BIO_CONN_S_BEFORE;
- conn_close_socket(b);
- b->flags=0;
- break;
- case BIO_C_DO_STATE_MACHINE:
- /* use this one to start the connection */
- if (data->state != BIO_CONN_S_OK)
- ret=(long)conn_state(b,data);
- else
- ret=1;
- break;
- case BIO_C_GET_CONNECT:
- if (ptr != NULL)
- {
- pptr=(const char **)ptr;
- if (num == 0)
- {
- *pptr=data->param_hostname;
-
- }
- else if (num == 1)
- {
- *pptr=data->param_port;
- }
- else if (num == 2)
- {
- *pptr= (char *)&(data->ip[0]);
- }
- else if (num == 3)
- {
- *((int *)ptr)=data->port;
- }
- if ((!b->init) || (ptr == NULL))
- *pptr="not initialized";
- ret=1;
- }
- break;
- case BIO_C_SET_CONNECT:
- if (ptr != NULL)
- {
- b->init=1;
- if (num == 0)
- {
- if (data->param_hostname != NULL)
- OPENSSL_free(data->param_hostname);
- data->param_hostname=BUF_strdup(ptr);
- }
- else if (num == 1)
- {
- if (data->param_port != NULL)
- OPENSSL_free(data->param_port);
- data->param_port=BUF_strdup(ptr);
- }
- else if (num == 2)
- {
- char buf[16];
- unsigned char *p = ptr;
-
- BIO_snprintf(buf,sizeof buf,"%d.%d.%d.%d",
- p[0],p[1],p[2],p[3]);
- if (data->param_hostname != NULL)
- OPENSSL_free(data->param_hostname);
- data->param_hostname=BUF_strdup(buf);
- memcpy(&(data->ip[0]),ptr,4);
- }
- else if (num == 3)
- {
- char buf[DECIMAL_SIZE(int)+1];
-
- BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr);
- if (data->param_port != NULL)
- OPENSSL_free(data->param_port);
- data->param_port=BUF_strdup(buf);
- data->port= *(int *)ptr;
- }
- }
- break;
- case BIO_C_SET_NBIO:
- data->nbio=(int)num;
- 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_FLUSH:
- break;
- case BIO_CTRL_DUP:
- {
- dbio=(BIO *)ptr;
- if (data->param_port)
- BIO_set_conn_port(dbio,data->param_port);
- if (data->param_hostname)
- BIO_set_conn_hostname(dbio,data->param_hostname);
- BIO_set_nbio(dbio,data->nbio);
- /* FIXME: the cast of the function seems unlikely to be a good idea */
- (void)BIO_set_info_callback(dbio,(bio_info_cb *)data->info_callback);
- }
- break;
- case BIO_CTRL_SET_CALLBACK:
- {
-#if 0 /* FIXME: Should this be used? -- Richard Levitte */
- BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
- ret = -1;
-#else
- ret=0;
-#endif
- }
- break;
- case BIO_CTRL_GET_CALLBACK:
- {
- int (**fptr)(const BIO *bio,int state,int xret);
-
- fptr=(int (**)(const BIO *bio,int state,int xret))ptr;
- *fptr=data->info_callback;
- }
- break;
- default:
- ret=0;
- break;
- }
- return(ret);
- }
-
-static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
- {
- long ret=1;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_SET_CALLBACK:
- {
- data->info_callback=(int (*)(const struct bio_st *, int, int))fp;
- }
- break;
- default:
- ret=0;
- break;
- }
- return(ret);
- }
-
-static int conn_puts(BIO *bp, const char *str)
- {
- int n,ret;
-
- n=strlen(str);
- ret=conn_write(bp,str,n);
- return(ret);
- }
-
-BIO *BIO_new_connect(char *str)
- {
- BIO *ret;
-
- ret=BIO_new(BIO_s_connect());
- if (ret == NULL) return(NULL);
- if (BIO_set_conn_hostname(ret,str))
- return(ret);
- else
- {
- BIO_free(ret);
- return(NULL);
- }
- }
-
-#endif
-