1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/bio/bf_buff.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/bio.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/evp.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_write(BIO *h, const char *buf,int num); 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_read(BIO *h, char *buf, int size); 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_puts(BIO *h, const char *str); 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_gets(BIO *h, char *str, int size); 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2); 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_new(BIO *h); 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_free(BIO *data); 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* A 10k maximum should be enough for most purposes */ 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#define DEFAULT_LINEBUFFER_SIZE 1024*10 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* #define DEBUG */ 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic BIO_METHOD methods_linebuffer= 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_TYPE_LINEBUFFER, 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project "linebuffer", 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_write, 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_read, 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_puts, 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_gets, 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_ctrl, 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_new, 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_free, 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project linebuffer_callback_ctrl, 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project }; 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_METHOD *BIO_f_linebuffer(void) 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(&methods_linebuffer); 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecttypedef struct bio_linebuffer_ctx_struct 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *obuf; /* the output char array */ 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int obuf_size; /* how big is the output buffer */ 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int obuf_len; /* how many bytes are in it */ 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } BIO_LINEBUFFER_CTX; 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_new(BIO *bi) 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_LINEBUFFER_CTX *ctx; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX)); 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx == NULL) return(0); 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf=(char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->obuf == NULL) { OPENSSL_free(ctx); return(0); } 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_size=DEFAULT_LINEBUFFER_SIZE; 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len=0; 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->init=1; 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->ptr=(char *)ctx; 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bi->flags=0; 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_free(BIO *a) 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_LINEBUFFER_CTX *b; 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (a == NULL) return(0); 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b=(BIO_LINEBUFFER_CTX *)a->ptr; 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->obuf != NULL) OPENSSL_free(b->obuf); 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(a->ptr); 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->ptr=NULL; 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->init=0; 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a->flags=0; 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_read(BIO *b, char *out, int outl) 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret=0; 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out == NULL) return(0); 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_read(b->next_bio,out,outl); 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_write(BIO *b, const char *in, int inl) 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i,num=0,foundnl; 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_LINEBUFFER_CTX *ctx; 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((in == NULL) || (inl <= 0)) return(0); 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_LINEBUFFER_CTX *)b->ptr; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ctx == NULL) || (b->next_bio == NULL)) return(0); 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project do 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const char *p; 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(p = in; p < in + inl && *p != '\n'; p++) 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ; 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (*p == '\n') 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p++; 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project foundnl = 1; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project foundnl = 0; 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If a NL was found and we already have text in the save 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project buffer, concatenate them and write */ 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len) 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project && ctx->obuf_len > 0) 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int orig_olen = ctx->obuf_len; 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i = ctx->obuf_size - ctx->obuf_len; 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (p - in > 0) 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i >= p - in) 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(&(ctx->obuf[ctx->obuf_len]), 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in,p - in); 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len += p - in; 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inl -= p - in; 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num += p - in; 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in = p; 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(&(ctx->obuf[ctx->obuf_len]), 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in,i); 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len += i; 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inl -= i; 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in += i; 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num += i; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, "<*<", 3); 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_write(b->next_bio, 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf, ctx->obuf_len); 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len = orig_olen; 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, ">*>", 3); 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 0) return((num > 0)?num:i); 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i == 0) return(num); 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, ">*>", 3); 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < ctx->obuf_len) 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memmove(ctx->obuf, ctx->obuf + i, 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len - i); 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len-=i; 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Now that the save buffer is emptied, let's write the input 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project buffer if a NL was found and there is anything to write. */ 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, "<*<", 3); 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_write(b->next_bio,in,p - in); 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, ">*>", 3); 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 0) return((num > 0)?num:i); 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i == 0) return(num); 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectBIO_write(b->next_bio, ">*>", 3); 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num+=i; 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in+=i; 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inl-=i; 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(foundnl && inl > 0); 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We've written as much as we can. The rest of the input buffer, if 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project any, is text that doesn't and with a NL and therefore needs to be 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project saved for the next trip. */ 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (inl > 0) 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl); 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len += inl; 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num += inl; 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return num; 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr) 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 268656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO *dbio; 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_LINEBUFFER_CTX *ctx; 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long ret=1; 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *p; 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int r; 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int obs; 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx=(BIO_LINEBUFFER_CTX *)b->ptr; 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project switch (cmd) 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_RESET: 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len=0; 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_INFO: 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(long)ctx->obuf_len; 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_WPENDING: 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(long)ctx->obuf_len; 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret == 0) 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 294656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_C_SET_BUFF_SIZE: 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project obs=(int)num; 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p=ctx->obuf; 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 300656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p=(char *)OPENSSL_malloc((int)num); 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (p == NULL) 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto malloc_error; 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->obuf != p) 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->obuf_len > obs) 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len = obs; 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 310656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(p, ctx->obuf, ctx->obuf_len); 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx->obuf); 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf=p; 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_size=obs; 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 316656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_C_DO_STATE_MACHINE: 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 318656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 319656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 321656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 322656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 323656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project case BIO_CTRL_FLUSH: 324656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->obuf_len <= 0) 326656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 328656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 329656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (;;) 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_clear_retry_flags(b); 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->obuf_len > 0) 335656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 336656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project r=BIO_write(b->next_bio, 337656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf, ctx->obuf_len); 338656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 339656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectfprintf(stderr,"FLUSH %3d -> %3d\n",ctx->obuf_len,r); 340656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 341656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_copy_next_retry(b); 342656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r <= 0) return((long)r); 343656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r < ctx->obuf_len) 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memmove(ctx->obuf, ctx->obuf + r, 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len - r); 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len-=r; 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->obuf_len=0; 351656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=1; 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 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_DUP: 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dbio=(BIO *)ptr; 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ( !BIO_set_write_buffer_size(dbio,ctx->obuf_size)) 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=0; 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default: 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_ctrl(b->next_bio,cmd,num,ptr); 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectmalloc_error: 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIOerr(BIO_F_LINEBUFFER_CTRL,ERR_R_MALLOC_FAILURE); 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 373656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic long linebuffer_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 375656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long ret=1; 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project switch (cmd) 379656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 380656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default: 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=BIO_callback_ctrl(b->next_bio,cmd,fp); 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 383656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_gets(BIO *b, char *buf, int size) 388656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 389656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (b->next_bio == NULL) return(0); 390656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(BIO_gets(b->next_bio,buf,size)); 391656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 392656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 393656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int linebuffer_puts(BIO *b, const char *str) 394656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 395656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(linebuffer_write(b,str,strlen(str))); 396656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 397656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 398