diff options
Diffstat (limited to 'openssl/crypto/bio/bf_nbio.c')
| -rw-r--r-- | openssl/crypto/bio/bf_nbio.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/openssl/crypto/bio/bf_nbio.c b/openssl/crypto/bio/bf_nbio.c deleted file mode 100644 index 028616c0..00000000 --- a/openssl/crypto/bio/bf_nbio.c +++ /dev/null @@ -1,253 +0,0 @@ -/* crypto/bio/bf_nbio.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> -#include "cryptlib.h" -#include <openssl/rand.h> -#include <openssl/bio.h> - -/* BIO_put and BIO_get both add to the digest, - * BIO_gets returns the digest */ - -static int nbiof_write(BIO *h,const char *buf,int num); -static int nbiof_read(BIO *h,char *buf,int size); -static int nbiof_puts(BIO *h,const char *str); -static int nbiof_gets(BIO *h,char *str,int size); -static long nbiof_ctrl(BIO *h,int cmd,long arg1,void *arg2); -static int nbiof_new(BIO *h); -static int nbiof_free(BIO *data); -static long nbiof_callback_ctrl(BIO *h,int cmd,bio_info_cb *fp); -typedef struct nbio_test_st - { - /* only set if we sent a 'should retry' error */ - int lrn; - int lwn; - } NBIO_TEST; - -static BIO_METHOD methods_nbiof= - { - BIO_TYPE_NBIO_TEST, - "non-blocking IO test filter", - nbiof_write, - nbiof_read, - nbiof_puts, - nbiof_gets, - nbiof_ctrl, - nbiof_new, - nbiof_free, - nbiof_callback_ctrl, - }; - -BIO_METHOD *BIO_f_nbio_test(void) - { - return(&methods_nbiof); - } - -static int nbiof_new(BIO *bi) - { - NBIO_TEST *nt; - - if (!(nt=(NBIO_TEST *)OPENSSL_malloc(sizeof(NBIO_TEST)))) return(0); - nt->lrn= -1; - nt->lwn= -1; - bi->ptr=(char *)nt; - bi->init=1; - bi->flags=0; - return(1); - } - -static int nbiof_free(BIO *a) - { - if (a == NULL) return(0); - if (a->ptr != NULL) - OPENSSL_free(a->ptr); - a->ptr=NULL; - a->init=0; - a->flags=0; - return(1); - } - -static int nbiof_read(BIO *b, char *out, int outl) - { - int ret=0; -#if 1 - int num; - unsigned char n; -#endif - - if (out == NULL) return(0); - if (b->next_bio == NULL) return(0); - - BIO_clear_retry_flags(b); -#if 1 - RAND_pseudo_bytes(&n,1); - num=(n&0x07); - - if (outl > num) outl=num; - - if (num == 0) - { - ret= -1; - BIO_set_retry_read(b); - } - else -#endif - { - ret=BIO_read(b->next_bio,out,outl); - if (ret < 0) - BIO_copy_next_retry(b); - } - return(ret); - } - -static int nbiof_write(BIO *b, const char *in, int inl) - { - NBIO_TEST *nt; - int ret=0; - int num; - unsigned char n; - - if ((in == NULL) || (inl <= 0)) return(0); - if (b->next_bio == NULL) return(0); - nt=(NBIO_TEST *)b->ptr; - - BIO_clear_retry_flags(b); - -#if 1 - if (nt->lwn > 0) - { - num=nt->lwn; - nt->lwn=0; - } - else - { - RAND_pseudo_bytes(&n,1); - num=(n&7); - } - - if (inl > num) inl=num; - - if (num == 0) - { - ret= -1; - BIO_set_retry_write(b); - } - else -#endif - { - ret=BIO_write(b->next_bio,in,inl); - if (ret < 0) - { - BIO_copy_next_retry(b); - nt->lwn=inl; - } - } - return(ret); - } - -static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret; - - if (b->next_bio == NULL) return(0); - switch (cmd) - { - case BIO_C_DO_STATE_MACHINE: - BIO_clear_retry_flags(b); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - BIO_copy_next_retry(b); - break; - case BIO_CTRL_DUP: - ret=0L; - break; - default: - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - } - return(ret); - } - -static long nbiof_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) - { - long ret=1; - - if (b->next_bio == NULL) return(0); - switch (cmd) - { - default: - ret=BIO_callback_ctrl(b->next_bio,cmd,fp); - break; - } - return(ret); - } - -static int nbiof_gets(BIO *bp, char *buf, int size) - { - if (bp->next_bio == NULL) return(0); - return(BIO_gets(bp->next_bio,buf,size)); - } - - -static int nbiof_puts(BIO *bp, const char *str) - { - if (bp->next_bio == NULL) return(0); - return(BIO_puts(bp->next_bio,str)); - } - - |