diff options
Diffstat (limited to 'openssl/crypto/bio/bss_conn.c')
-rw-r--r-- | openssl/crypto/bio/bss_conn.c | 652 |
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 - |