1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/evp/bio_ber.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <errno.h> 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/buffer.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/evp.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_write(BIO *h,char *buf,int num); 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_read(BIO *h,char *buf,int size); 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/*static int ber_puts(BIO *h,char *str); */ 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/*static int ber_gets(BIO *h,char *str,int size); */ 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long ber_ctrl(BIO *h,int cmd,long arg1,char *arg2); 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_new(BIO *h); 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_free(BIO *data); 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long ber_callback_ctrl(BIO *h,int cmd,void *(*fp)()); 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#define BER_BUF_SIZE (32) 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* This is used to hold the state of the BER objects being read. */ 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecttypedef struct ber_struct 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int tag; 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int class; 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long length; 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int inf; 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int num_left; 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int depth; 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } BER_CTX; 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecttypedef struct bio_ber_struct 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int tag; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int class; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long length; 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int inf; 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* most of the following are used when doing non-blocking IO */ 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* reading */ 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long num_left; /* number of bytes still to read/write in block */ 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int depth; /* used with indefinite encoding. */ 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int finished; /* No more read data */ 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* writting */ 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *w_addr; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int w_offset; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int w_left; 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int buf_len; 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int buf_off; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char buf[BER_BUF_SIZE]; 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } BIO_BER_CTX; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic BIO_METHOD methods_ber= 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_TYPE_CIPHER,"cipher", 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_write, 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_read, 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NULL, /* ber_puts, */ 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NULL, /* ber_gets, */ 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_ctrl, 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_new, 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_free, 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ber_callback_ctrl, 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project }; 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_METHOD *BIO_f_ber(void) 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(&methods_ber); 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_new(BIO *bi) 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_BER_CTX *ctx; 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_BER_CTX *)OPENSSL_malloc(sizeof(BIO_BER_CTX)); 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx == NULL) return(0); 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset((char *)ctx,0,sizeof(BIO_BER_CTX)); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->init=0; 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->ptr=(char *)ctx; 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->flags=0; 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_free(BIO *a) 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_BER_CTX *b; 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a == NULL) return(0); 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b=(BIO_BER_CTX *)a->ptr; 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_cleanse(a->ptr,sizeof(BIO_BER_CTX)); 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(a->ptr); 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->ptr=NULL; 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->init=0; 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->flags=0; 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint bio_ber_get_header(BIO *bio, BIO_BER_CTX *ctx) 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char buf[64]; 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i,j,n; 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *p; 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned long length 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int tag; 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int class; 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long max; 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Pack the buffer down if there is a hole at the front */ 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->buf_off != 0) 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p=ctx->buf; 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project j=ctx->buf_off; 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=ctx->buf_len-j; 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<n; i++) 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p[0]=p[j]; 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p++; 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_len-j; 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off=0; 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If there is more room, read some more data */ 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BER_BUF_SIZE-ctx->buf_len; 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i) 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_read(bio->next_bio,&(ctx->buf[ctx->buf_len]),i); 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_len+=i; 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project max=ctx->buf_len; 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p=ctx->buf; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=ASN1_get_object(&p,&length,&tag,&class,max); 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret & 0x80) 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ctx->buf_len < BER_BUF_SIZE) && 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (ERR_GET_REASON(ERR_peek_error()) == ASN1_R_TOO_LONG)) 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_clear_error(); /* clear the error */ 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_set_retry_read(b); 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(-1); 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We have no error, we have a header, so make use of it */ 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ctx->tag >= 0) && (ctx->tag != tag)) 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIOerr(BIO_F_BIO_BER_GET_HEADER,BIO_R_TAG_MISMATCH); 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sprintf(buf,"tag=%d, got %d",ctx->tag,tag); 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_add_error_data(1,buf); 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(-1); 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret & 0x01) 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret & V_ASN1_CONSTRUCTED) 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_read(BIO *b, char *out, int outl) 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret=0,i,n; 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_BER_CTX *ctx; 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out == NULL) return(0); 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_BER_CTX *)b->ptr; 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ctx == NULL) || (b->next_bio == NULL)) return(0); 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->finished) return(0); 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectagain: 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* First see if we are half way through reading a block */ 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->num_left > 0) 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->num_left < outl) 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=ctx->num_left; 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=outl; 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_read(b->next_bio,out,n); 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->num_left-=i; 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project outl-=i; 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret+=i; 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->num_left <= 0) 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->depth--; 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->depth <= 0) 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->finished=1; 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (outl <= 0) 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto again; 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 268656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else /* we need to read another BER header */ 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ber_write(BIO *b, char *in, int inl) 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret=0,n,i; 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_ENC_CTX *ctx; 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_ENC_CTX *)b->ptr; 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=inl; 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=ctx->buf_len-ctx->buf_off; 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while (n > 0) 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_write(b->next_bio,&(ctx->buf[ctx->buf_off]),n); 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off+=i; 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n-=i; 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 294656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* at this point all pending data has been written */ 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((in == NULL) || (inl <= 0)) return(0); 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off=0; 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while (inl > 0) 300656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=(inl > ENC_BLOCK_SIZE)?ENC_BLOCK_SIZE:inl; 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CipherUpdate(&(ctx->cipher), 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (unsigned char *)ctx->buf,&ctx->buf_len, 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (unsigned char *)in,n); 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inl-=n; 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in+=n; 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off=0; 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n=ctx->buf_len; 310656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while (n > 0) 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_write(b->next_bio,&(ctx->buf[ctx->buf_off]),n); 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 316656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 318656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project n-=i; 319656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off+=i; 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 321656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_len=0; 322656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off=0; 323656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 324656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 326656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 328656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long ber_ctrl(BIO *b, int cmd, long num, char *ptr) 329656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO *dbio; 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_ENC_CTX *ctx,*dctx; 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long ret=1; 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 335656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_ENC_CTX *)b->ptr; 336656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 337656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project switch (cmd) 338656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 339656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_RESET: 340656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->ok=1; 341656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->finished=0; 342656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CipherInit_ex(&(ctx->cipher),NULL,NULL,NULL,NULL, 343656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->cipher.berrypt); 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_EOF: /* More to read */ 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->cont <= 0) 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=1; 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 351656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_WPENDING: 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=ctx->buf_len-ctx->buf_off; 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret <= 0) 355656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 356656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 357656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_PENDING: /* More to read in buffer */ 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=ctx->buf_len-ctx->buf_off; 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret <= 0) 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_FLUSH: 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* do a final write */ 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectagain: 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while (ctx->buf_len != ctx->buf_off) 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=ber_write(b,NULL,0); 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 0) 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=i; 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 373656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 375656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ctx->finished) 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->finished=1; 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->buf_off=0; 379656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=EVP_CipherFinal_ex(&(ctx->cipher), 380656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (unsigned char *)ctx->buf, 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project &(ctx->buf_len)); 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->ok=(int)ret; 383656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret <= 0) break; 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* push out the bytes */ 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto again; 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 388656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 389656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Finally flush the underlying BIO */ 390656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 391656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 392656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_C_GET_CIPHER_STATUS: 393656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(long)ctx->ok; 394656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 395656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_C_DO_STATE_MACHINE: 396656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 397656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 398656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 399656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 400656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 401656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_DUP: 402656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dbio=(BIO *)ptr; 403656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dctx=(BIO_ENC_CTX *)dbio->ptr; 404656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(&(dctx->cipher),&(ctx->cipher),sizeof(ctx->cipher)); 405656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dbio->init=1; 406656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 407656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default: 408656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 409656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 410656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 411656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 412656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 413656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 414656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long ber_callback_ctrl(BIO *b, int cmd, void *(*fp)()) 415656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 416656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long ret=1; 417656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 418656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 419656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project switch (cmd) 420656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 421656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default: 422656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_callback_ctrl(b->next_bio,cmd,fp); 423656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 424656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 425656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 426656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 427656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 428656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* 429656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid BIO_set_cipher_ctx(b,c) 430656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO *b; 431656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectEVP_CIPHER_ctx *c; 432656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 433656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b == NULL) return; 434656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 435656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((b->callback != NULL) && 436656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,0L) <= 0)) 437656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return; 438656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 439656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b->init=1; 440656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_ENC_CTX *)b->ptr; 441656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(ctx->cipher,c,sizeof(EVP_CIPHER_CTX)); 442656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 443656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->callback != NULL) 444656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,1L); 445656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 446656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project*/ 447656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 448656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid BIO_set_cipher(BIO *b, EVP_CIPHER *c, unsigned char *k, unsigned char *i, 449656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int e) 450656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 451656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_ENC_CTX *ctx; 452656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 453656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b == NULL) return; 454656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 455656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((b->callback != NULL) && 456656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,0L) <= 0)) 457656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return; 458656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 459656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b->init=1; 460656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_ENC_CTX *)b->ptr; 461656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CipherInit_ex(&(ctx->cipher),c,NULL,k,i,e); 462656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 463656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->callback != NULL) 464656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,1L); 465656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 466656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 467