1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* asn_mime.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * project. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* ==================================================================== 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright (c) 1999-2008 The OpenSSL Project. All rights reserved. 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the above copyright 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the documentation and/or other materials provided with the 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * distribution. 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * software must display the following acknowledgment: 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * endorse or promote products derived from this software without 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * prior written permission. For written permission, please contact 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * licensing@OpenSSL.org. 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5. Products derived from this software may not be called "OpenSSL" 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * nor may "OpenSSL" appear in their names without prior written 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * permission of the OpenSSL Project. 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 6. Redistributions of any form whatsoever must retain the following 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * acknowledgment: 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OF THE POSSIBILITY OF SUCH DAMAGE. 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ==================================================================== 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <ctype.h> 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "cryptlib.h" 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/rand.h> 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/x509.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1.h> 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1t.h> 62480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org#include "asn1_locl.h" 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Generalised MIME like utilities for streaming ASN1. Although many 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * have a PKCS7/CMS like flavour others are more general purpose. 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* MIME format structures 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Note that all are translated to lower case apart from 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * parameter values. Quotes are stripped off 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 73c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgtypedef struct { 74c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgchar *param_name; /* Param name e.g. "micalg" */ 75c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgchar *param_value; /* Param value e.g. "sha1" */ 76c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} MIME_PARAM; 77c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 78c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgDECLARE_STACK_OF(MIME_PARAM) 79c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_STACK_OF(MIME_PARAM) 80c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 81c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgtypedef struct { 82c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgchar *name; /* Name of line e.g. "content-type" */ 83c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgchar *value; /* Value of line e.g. "text/plain" */ 84c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgSTACK_OF(MIME_PARAM) *params; /* Zero or more parameters */ 85c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} MIME_HEADER; 86c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 87c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgDECLARE_STACK_OF(MIME_HEADER) 88c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgIMPLEMENT_STACK_OF(MIME_HEADER) 89c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 90480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgstatic int asn1_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, 91480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org const ASN1_ITEM *it); 92c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char * strip_ends(char *name); 93c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char * strip_start(char *name); 94c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char * strip_end(char *name); 95c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_HEADER *mime_hdr_new(char *name, char *value); 96c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value); 97c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio); 98c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_hdr_cmp(const MIME_HEADER * const *a, 99c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const MIME_HEADER * const *b); 100c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_param_cmp(const MIME_PARAM * const *a, 101c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const MIME_PARAM * const *b); 102c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic void mime_param_free(MIME_PARAM *param); 103c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_bound_check(char *line, int linelen, char *bound, int blen); 104c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret); 105c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int strip_eol(char *linebuf, int *plen); 106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name); 107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name); 108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic void mime_hdr_free(MIME_HEADER *hdr); 109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MAX_SMLEN 1024 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define mime_debug(x) /* x */ 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 113480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Output an ASN1 structure in BER format streaming if necessary */ 114480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 115480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgint i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, 116480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org const ASN1_ITEM *it) 117480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 118480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* If streaming create stream BIO and copy all content through it */ 119480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (flags & SMIME_STREAM) 120480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 121480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO *bio, *tbio; 122480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org bio = BIO_new_NDEF(out, val, it); 123480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!bio) 124480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 125480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ASN1err(ASN1_F_I2D_ASN1_BIO_STREAM,ERR_R_MALLOC_FAILURE); 126480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 0; 127480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 128480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org SMIME_crlf_copy(in, bio, flags); 129480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org (void)BIO_flush(bio); 130480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* Free up successive BIOs until we hit the old output BIO */ 131480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org do 132480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 133480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org tbio = BIO_pop(bio); 134480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO_free(bio); 135480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org bio = tbio; 136480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } while (bio != out); 137480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 138480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org /* else just write out ASN1 structure which will have all content 139480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org * stored internally 140480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org */ 141480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org else 142480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ASN1_item_i2d_bio(it, out, val); 143480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return 1; 144480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 145480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Base 64 read and write of ASN1 structure */ 147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int B64_write_ASN1(BIO *out, ASN1_VALUE *val, BIO *in, int flags, 149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const ASN1_ITEM *it) 150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *b64; 152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int r; 153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org b64 = BIO_new(BIO_f_base64()); 154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!b64) 155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_B64_WRITE_ASN1,ERR_R_MALLOC_FAILURE); 157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* prepend the b64 BIO so all data is base64 encoded. 160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org out = BIO_push(b64, out); 162480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org r = i2d_ASN1_bio_stream(out, val, in, flags, it); 163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)BIO_flush(out); 164c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_pop(out); 165c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(b64); 166c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return r; 167c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 168c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 169480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org/* Streaming ASN1 PEM write */ 170480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 171480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgint PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags, 172480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org const char *hdr, 173480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org const ASN1_ITEM *it) 174480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 175480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int r; 176480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO_printf(out, "-----BEGIN %s-----\n", hdr); 177480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org r = B64_write_ASN1(out, val, in, flags, it); 178480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO_printf(out, "-----END %s-----\n", hdr); 179480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return r; 180480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 181480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 182c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic ASN1_VALUE *b64_read_asn1(BIO *bio, const ASN1_ITEM *it) 183c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 184c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *b64; 185c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_VALUE *val; 186c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(b64 = BIO_new(BIO_f_base64()))) { 187c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_B64_READ_ASN1,ERR_R_MALLOC_FAILURE); 188c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 189c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 190c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bio = BIO_push(b64, bio); 191c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org val = ASN1_item_d2i_bio(it, bio, NULL); 192c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!val) 193c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_B64_READ_ASN1,ASN1_R_DECODE_ERROR); 194c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)BIO_flush(bio); 195c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bio = BIO_pop(bio); 196c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(b64); 197c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return val; 198c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 199c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 200c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Generate the MIME "micalg" parameter from RFC3851, RFC4490 */ 201c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 202c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int asn1_write_micalg(BIO *out, STACK_OF(X509_ALGOR) *mdalgs) 203c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 204480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org const EVP_MD *md; 205480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int i, have_unknown = 0, write_comma, ret = 0, md_nid; 206c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org have_unknown = 0; 207c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org write_comma = 0; 208c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < sk_X509_ALGOR_num(mdalgs); i++) 209c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 210c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (write_comma) 211c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(out, ",", 1); 212c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org write_comma = 1; 213c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org md_nid = OBJ_obj2nid(sk_X509_ALGOR_value(mdalgs, i)->algorithm); 214480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org md = EVP_get_digestbynid(md_nid); 215480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (md && md->md_ctrl) 216480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 217480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org int rv; 218480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org char *micstr; 219480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org rv = md->md_ctrl(NULL, EVP_MD_CTRL_MICALG, 0, &micstr); 220480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (rv > 0) 221480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org { 222480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO_puts(out, micstr); 223480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org OPENSSL_free(micstr); 224480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org continue; 225480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 226480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (rv != -2) 227480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 228480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org } 229c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org switch(md_nid) 230c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 231c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case NID_sha1: 232c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "sha1"); 233c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 234c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 235c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case NID_md5: 236c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "md5"); 237c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 238c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 239c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case NID_sha256: 240c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "sha-256"); 241c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 242c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 243c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case NID_sha384: 244c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "sha-384"); 245c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 246c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 247c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case NID_sha512: 248c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "sha-512"); 249c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 250c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 251480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org case NID_id_GostR3411_94: 252480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org BIO_puts(out, "gostr3411-94"); 253480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org goto err; 254480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org break; 255480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 256c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org default: 257c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (have_unknown) 258c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org write_comma = 0; 259c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 260c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 261c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "unknown"); 262c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org have_unknown = 1; 263c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 264c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 265c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 266c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 267c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 268c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 269480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org ret = 1; 270480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org err: 271480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org 272480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org return ret; 273c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 274c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 275c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 276c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* SMIME sender */ 277c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 278480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.orgint SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags, 279c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ctype_nid, int econt_nid, 280c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(X509_ALGOR) *mdalgs, 281c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const ASN1_ITEM *it) 282c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 283c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char bound[33], c; 284c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i; 285c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const char *mime_prefix, *mime_eol, *cname = "smime.p7m"; 286c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const char *msg_type=NULL; 287c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (flags & SMIME_OLDMIME) 288c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_prefix = "application/x-pkcs7-"; 289c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 290c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_prefix = "application/pkcs7-"; 291c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 292c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (flags & SMIME_CRLFEOL) 293c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol = "\r\n"; 294c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 295c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol = "\n"; 296c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if((flags & SMIME_DETACHED) && data) { 297c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* We want multipart/signed */ 298c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Generate a random boundary */ 299c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org RAND_pseudo_bytes((unsigned char *)bound, 32); 300c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(i = 0; i < 32; i++) { 301c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = bound[i] & 0xf; 302c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c < 10) c += '0'; 303c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else c += 'A' - 10; 304c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bound[i] = c; 305c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 306c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bound[32] = 0; 307c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "MIME-Version: 1.0%s", mime_eol); 308c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Type: multipart/signed;"); 309c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " protocol=\"%ssignature\";", mime_prefix); 310c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(bio, " micalg=\""); 311c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org asn1_write_micalg(bio, mdalgs); 312c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "\"; boundary=\"----%s\"%s%s", 313c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bound, mime_eol, mime_eol); 314c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "This is an S/MIME signed message%s%s", 315c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol, mime_eol); 316c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Now write out the first part */ 317c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "------%s%s", bound, mime_eol); 318480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org if (!asn1_output_data(bio, data, val, flags, it)) 319c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 320c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "%s------%s%s", mime_eol, bound, mime_eol); 321c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 322c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Headers for signature */ 323c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 324c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Type: %ssignature;", mime_prefix); 325c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " name=\"smime.p7s\"%s", mime_eol); 326c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Transfer-Encoding: base64%s", 327c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol); 328c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Disposition: attachment;"); 329c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " filename=\"smime.p7s\"%s%s", 330c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol, mime_eol); 331c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org B64_write_ASN1(bio, val, NULL, 0, it); 332c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio,"%s------%s--%s%s", mime_eol, bound, 333c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol, mime_eol); 334c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 335c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 336c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 337c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Determine smime-type header */ 338c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 339c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (ctype_nid == NID_pkcs7_enveloped) 340c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org msg_type = "enveloped-data"; 341c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (ctype_nid == NID_pkcs7_signed) 342c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 343c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (econt_nid == NID_id_smime_ct_receipt) 344c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org msg_type = "signed-receipt"; 345c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (sk_X509_ALGOR_num(mdalgs) >= 0) 346c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org msg_type = "signed-data"; 347c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 348c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org msg_type = "certs-only"; 349c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 350c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (ctype_nid == NID_id_smime_ct_compressedData) 351c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 352c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org msg_type = "compressed-data"; 353c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org cname = "smime.p7z"; 354c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 355c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* MIME headers */ 356c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "MIME-Version: 1.0%s", mime_eol); 357c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Disposition: attachment;"); 358c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " filename=\"%s\"%s", cname, mime_eol); 359c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Type: %smime;", mime_prefix); 360c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (msg_type) 361c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " smime-type=%s;", msg_type); 362c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, " name=\"%s\"%s", cname, mime_eol); 363c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "Content-Transfer-Encoding: base64%s%s", 364c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_eol, mime_eol); 365c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!B64_write_ASN1(bio, val, data, flags, it)) 366c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 367c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio, "%s", mime_eol); 368c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 369c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 370c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 371c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Handle output of ASN1 data */ 372c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 373c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 374c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int asn1_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, 375c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const ASN1_ITEM *it) 376c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 377c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *tmpbio; 378c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const ASN1_AUX *aux = it->funcs; 379c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_STREAM_ARG sarg; 3802c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org int rv = 1; 381c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 3822c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org /* If data is not deteched or resigning then the output BIO is 3832c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org * already set up to finalise when it is written through. 3842c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org */ 3852c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org if (!(flags & SMIME_DETACHED) || (flags & PKCS7_REUSE_DIGEST)) 386c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 387c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org SMIME_crlf_copy(data, out, flags); 388c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 389c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 390c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 391c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!aux || !aux->asn1_cb) 392c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 393c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_ASN1_OUTPUT_DATA, 394c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_R_STREAMING_NOT_SUPPORTED); 395c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 396c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 397c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 398c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sarg.out = out; 399c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sarg.ndef_bio = NULL; 400c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sarg.boundary = NULL; 401c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 402c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Let ASN1 code prepend any needed BIOs */ 403c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 404c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (aux->asn1_cb(ASN1_OP_DETACHED_PRE, &val, it, &sarg) <= 0) 405c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 406c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 407c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Copy data across, passing through filter BIOs for processing */ 408c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org SMIME_crlf_copy(data, sarg.ndef_bio, flags); 409c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 410c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Finalize structure */ 411c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (aux->asn1_cb(ASN1_OP_DETACHED_POST, &val, it, &sarg) <= 0) 4122c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org rv = 0; 413c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 414c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Now remove any digests prepended to the BIO */ 415c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 416c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while (sarg.ndef_bio != out) 417c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 418c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org tmpbio = BIO_pop(sarg.ndef_bio); 419c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(sarg.ndef_bio); 420c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sarg.ndef_bio = tmpbio; 421c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 422c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 4232c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org return rv; 424c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 425c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 426c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 427c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* SMIME reader: handle multipart/signed and opaque signing. 428c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * in multipart case the content is placed in a memory BIO 429c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * pointed to by "bcont". In opaque this is set to NULL 430c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 431c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 432c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgASN1_VALUE *SMIME_read_ASN1(BIO *bio, BIO **bcont, const ASN1_ITEM *it) 433c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 434c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *asnin; 435c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(MIME_HEADER) *headers = NULL; 436c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(BIO) *parts = NULL; 437c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_HEADER *hdr; 438c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_PARAM *prm; 439c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1_VALUE *val; 440c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 441c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 442c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(bcont) *bcont = NULL; 443c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 444c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(headers = mime_parse_hdr(bio))) { 445c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_MIME_PARSE_ERROR); 446c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 447c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 448c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 449c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { 450c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 451c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_CONTENT_TYPE); 452c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 453c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 454c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 455c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Handle multipart/signed */ 456c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 457c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!strcmp(hdr->value, "multipart/signed")) { 458c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Split into two parts */ 459c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org prm = mime_param_find(hdr, "boundary"); 460c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!prm || !prm->param_value) { 461c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 462c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_MULTIPART_BOUNDARY); 463c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 464c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 465c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = multi_split(bio, prm->param_value, &parts); 466c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 467c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!ret || (sk_BIO_num(parts) != 2) ) { 468c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_MULTIPART_BODY_FAILURE); 469c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_pop_free(parts, BIO_vfree); 470c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 471c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 472c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 473c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Parse the signature piece */ 474c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org asnin = sk_BIO_value(parts, 1); 475c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 476c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(headers = mime_parse_hdr(asnin))) { 477c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_MIME_SIG_PARSE_ERROR); 478c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_pop_free(parts, BIO_vfree); 479c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 480c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 481c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 482c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Get content type */ 483c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 484c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(hdr = mime_hdr_find(headers, "content-type")) || 485c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org !hdr->value) { 486c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 487c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_SIG_CONTENT_TYPE); 488c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 489c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 490c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 491c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(strcmp(hdr->value, "application/x-pkcs7-signature") && 492c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org strcmp(hdr->value, "application/pkcs7-signature")) { 493c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_SIG_INVALID_MIME_TYPE); 494c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ERR_add_error_data(2, "type: ", hdr->value); 4952c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 496c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_pop_free(parts, BIO_vfree); 497c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 498c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 499c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 500c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Read in ASN1 */ 501c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(val = b64_read_asn1(asnin, it))) { 502c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_ASN1_SIG_PARSE_ERROR); 503c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_pop_free(parts, BIO_vfree); 504c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 505c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 506c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 507c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(bcont) { 508c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *bcont = sk_BIO_value(parts, 0); 509c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(asnin); 510c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_free(parts); 511c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else sk_BIO_pop_free(parts, BIO_vfree); 512c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return val; 513c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 514c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 515c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* OK, if not multipart/signed try opaque signature */ 516c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 517c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (strcmp (hdr->value, "application/x-pkcs7-mime") && 518c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org strcmp (hdr->value, "application/pkcs7-mime")) { 519c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_INVALID_MIME_TYPE); 520c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ERR_add_error_data(2, "type: ", hdr->value); 521c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 522c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 523c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 524c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 525c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 526c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 527c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(val = b64_read_asn1(bio, it))) { 528c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_ASN1_PARSE_ERROR); 529c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 530c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 531c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return val; 532c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 533c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 534c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 535c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Copy text from one BIO to another making the output CRLF at EOL */ 536c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint SMIME_crlf_copy(BIO *in, BIO *out, int flags) 537c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 538c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *bf; 539c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char eol; 540c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int len; 541c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char linebuf[MAX_SMLEN]; 542c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Buffer output so we don't write one line at a time. This is 543c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * useful when streaming as we don't end up with one OCTET STRING 544c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * per line. 545c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 546c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bf = BIO_new(BIO_f_buffer()); 547c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!bf) 548c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 549c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org out = BIO_push(bf, out); 550c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(flags & SMIME_BINARY) 551c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 552c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while((len = BIO_read(in, linebuf, MAX_SMLEN)) > 0) 553c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(out, linebuf, len); 554c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 555c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 556c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 557c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(flags & SMIME_TEXT) 558c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(out, "Content-Type: text/plain\r\n\r\n"); 559c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while ((len = BIO_gets(in, linebuf, MAX_SMLEN)) > 0) 560c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 561c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org eol = strip_eol(linebuf, &len); 562c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (len) 563c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(out, linebuf, len); 564c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(eol) BIO_write(out, "\r\n", 2); 565c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 566c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 567c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)BIO_flush(out); 568c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_pop(out); 569c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(bf); 570c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 571c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 572c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 573c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Strip off headers if they are text/plain */ 574c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint SMIME_text(BIO *in, BIO *out) 575c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 576c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char iobuf[4096]; 577c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int len; 578c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(MIME_HEADER) *headers; 579c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_HEADER *hdr; 580c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 581c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!(headers = mime_parse_hdr(in))) { 582c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_TEXT,ASN1_R_MIME_PARSE_ERROR); 583c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 584c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 585c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { 586c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_TEXT,ASN1_R_MIME_NO_CONTENT_TYPE); 587c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 588c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 589c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 590c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (strcmp (hdr->value, "text/plain")) { 591c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_SMIME_TEXT,ASN1_R_INVALID_MIME_TYPE); 592c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ERR_add_error_data(2, "type: ", hdr->value); 593c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 594c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 595c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 596c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_pop_free(headers, mime_hdr_free); 597c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while ((len = BIO_read(in, iobuf, sizeof(iobuf))) > 0) 598c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(out, iobuf, len); 599c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (len < 0) 600c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 601c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 602c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 603c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 604c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Split a multipart/XXX message body into component parts: result is 605c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * canonical parts in a STACK of bios 606c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 607c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 608c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret) 609c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 610c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char linebuf[MAX_SMLEN]; 611c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int len, blen; 612c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int eol = 0, next_eol = 0; 613c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *bpart = NULL; 614c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(BIO) *parts; 615c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char state, part, first; 616c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 617c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org blen = strlen(bound); 618c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org part = 0; 619c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = 0; 620c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org first = 1; 621c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org parts = sk_BIO_new_null(); 622c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *ret = parts; 623c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) { 624c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = mime_bound_check(linebuf, len, bound, blen); 625c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(state == 1) { 626c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org first = 1; 627c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org part++; 628c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if(state == 2) { 629c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_BIO_push(parts, bpart); 630c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 631c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if(part) { 632c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Strip CR+LF from linebuf */ 633c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org next_eol = strip_eol(linebuf, &len); 634c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(first) { 635c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org first = 0; 636c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(bpart) sk_BIO_push(parts, bpart); 637c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org bpart = BIO_new(BIO_s_mem()); 638c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_set_mem_eof_return(bpart, 0); 639c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if (eol) 640c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(bpart, "\r\n", 2); 641c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org eol = next_eol; 642c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (len) 643c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(bpart, linebuf, len); 644c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 645c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 646c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 647c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 648c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 649c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* This is the big one: parse MIME header lines up to message body */ 650c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 651c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_INVALID 0 652c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_START 1 653c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_TYPE 2 654c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_NAME 3 655c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_VALUE 4 656c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_QUOTE 5 657c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define MIME_COMMENT 6 658c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 659c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 660c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio) 661c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 662c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *p, *q, c; 663c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *ntmp; 664c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char linebuf[MAX_SMLEN]; 665c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_HEADER *mhdr = NULL; 666c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org STACK_OF(MIME_HEADER) *headers; 667c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int len, state, save_state = 0; 668c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 669c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org headers = sk_MIME_HEADER_new(mime_hdr_cmp); 670c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) { 671c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* If whitespace at line start then continuation line */ 672c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(mhdr && isspace((unsigned char)linebuf[0])) state = MIME_NAME; 673c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else state = MIME_START; 674c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ntmp = NULL; 675c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Go through all characters */ 676c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = linebuf, q = linebuf; (c = *p) && (c!='\r') && (c!='\n'); p++) { 677c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 678c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* State machine to handle MIME headers 679c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * if this looks horrible that's because it *is* 680c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 681c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 682c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org switch(state) { 683c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_START: 684c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == ':') { 685c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_TYPE; 686c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = 0; 687c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ntmp = strip_ends(q); 688c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org q = p + 1; 689c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 690c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 691c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 692c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_TYPE: 693c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == ';') { 694c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_debug("Found End Value\n"); 695c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = 0; 696c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mhdr = mime_hdr_new(ntmp, strip_ends(q)); 697c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_push(headers, mhdr); 698c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ntmp = NULL; 699c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org q = p + 1; 700c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_NAME; 701c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if(c == '(') { 702c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org save_state = state; 703c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_COMMENT; 704c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 705c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 706c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 707c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_COMMENT: 708c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == ')') { 709c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = save_state; 710c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 711c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 712c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 713c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_NAME: 714c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == '=') { 715c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_VALUE; 716c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = 0; 717c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ntmp = strip_ends(q); 718c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org q = p + 1; 719c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 720c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break ; 721c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 722c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_VALUE: 723c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == ';') { 724c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_NAME; 725c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = 0; 726c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_hdr_addparam(mhdr, ntmp, strip_ends(q)); 727c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ntmp = NULL; 728c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org q = p + 1; 729c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if (c == '"') { 730c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_debug("Found Quote\n"); 731c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_QUOTE; 732c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if(c == '(') { 733c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org save_state = state; 734c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_COMMENT; 735c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 736c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 737c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 738c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org case MIME_QUOTE: 739c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == '"') { 740c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_debug("Found Match Quote\n"); 741c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org state = MIME_VALUE; 742c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 743c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 744c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 745c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 746c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 747c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(state == MIME_TYPE) { 748c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mhdr = mime_hdr_new(ntmp, strip_ends(q)); 749c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_HEADER_push(headers, mhdr); 750c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else if(state == MIME_VALUE) 751c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mime_hdr_addparam(mhdr, ntmp, strip_ends(q)); 752c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(p == linebuf) break; /* Blank line means end of headers */ 753c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 754c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 755c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgreturn headers; 756c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 757c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 758c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 759c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char *strip_ends(char *name) 760c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 761c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return strip_end(strip_start(name)); 762c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 763c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 764c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Strip a parameter of whitespace from start of param */ 765c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char *strip_start(char *name) 766c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 767c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *p, c; 768c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Look for first non white space or quote */ 769c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = name; (c = *p) ;p++) { 770c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == '"') { 771c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Next char is start of string if non null */ 772c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(p[1]) return p + 1; 773c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Else null string */ 774c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 775c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 776c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!isspace((unsigned char)c)) return p; 777c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 778c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 779c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 780c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 781c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* As above but strip from end of string : maybe should handle brackets? */ 782c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic char *strip_end(char *name) 783c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 784c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *p, c; 785c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!name) return NULL; 786c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Look for first non white space or quote */ 787c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = name + strlen(name) - 1; p >= name ;p--) { 788c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = *p; 789c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(c == '"') { 790c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(p - 1 == name) return NULL; 791c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = 0; 792c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return name; 793c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 794c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(isspace((unsigned char)c)) *p = 0; 795c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else return name; 796c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 797c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return NULL; 798c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 799c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 800c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_HEADER *mime_hdr_new(char *name, char *value) 801c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 802c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_HEADER *mhdr; 803c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *tmpname, *tmpval, *p; 804c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int c; 805c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(name) { 806c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(tmpname = BUF_strdup(name))) return NULL; 807c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = tmpname ; *p; p++) { 8082c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org c = (unsigned char)*p; 809c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(isupper(c)) { 810c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = tolower(c); 811c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = c; 812c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 813c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 814c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else tmpname = NULL; 815c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(value) { 816c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(tmpval = BUF_strdup(value))) return NULL; 817c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = tmpval ; *p; p++) { 8182c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org c = (unsigned char)*p; 819c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(isupper(c)) { 820c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = tolower(c); 821c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = c; 822c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 823c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 824c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else tmpval = NULL; 825c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mhdr = (MIME_HEADER *) OPENSSL_malloc(sizeof(MIME_HEADER)); 826c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!mhdr) return NULL; 827c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mhdr->name = tmpname; 828c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mhdr->value = tmpval; 829c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!(mhdr->params = sk_MIME_PARAM_new(mime_param_cmp))) return NULL; 830c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return mhdr; 831c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 832c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 833c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value) 834c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 835c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *tmpname, *tmpval, *p; 836c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int c; 837c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_PARAM *mparam; 838c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(name) { 839c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org tmpname = BUF_strdup(name); 840c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!tmpname) return 0; 841c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for(p = tmpname ; *p; p++) { 8422c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org c = (unsigned char)*p; 843c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(isupper(c)) { 844c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = tolower(c); 845c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *p = c; 846c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 847c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 848c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else tmpname = NULL; 849c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(value) { 850c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org tmpval = BUF_strdup(value); 851c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!tmpval) return 0; 852c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } else tmpval = NULL; 853c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Parameter values are case sensitive so leave as is */ 854c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mparam = (MIME_PARAM *) OPENSSL_malloc(sizeof(MIME_PARAM)); 855c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!mparam) return 0; 856c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mparam->param_name = tmpname; 857c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org mparam->param_value = tmpval; 858c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org sk_MIME_PARAM_push(mhdr->params, mparam); 859c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 1; 860c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 861c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 862c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_hdr_cmp(const MIME_HEADER * const *a, 863c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const MIME_HEADER * const *b) 864c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 8652c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org if (!(*a)->name || !(*b)->name) 8662c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org return !!(*a)->name - !!(*b)->name; 8672c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org 868c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(strcmp((*a)->name, (*b)->name)); 869c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 870c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 871c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_param_cmp(const MIME_PARAM * const *a, 872c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org const MIME_PARAM * const *b) 873c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 8742c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org if (!(*a)->param_name || !(*b)->param_name) 8752c4508dfe2bc5b6296c01114ed11ddc64b7718c6digit@chromium.org return !!(*a)->param_name - !!(*b)->param_name; 876c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(strcmp((*a)->param_name, (*b)->param_name)); 877c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 878c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 879c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Find a header with a given name (if possible) */ 880c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 881c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name) 882c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 883c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_HEADER htmp; 884c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int idx; 885c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org htmp.name = name; 886c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org idx = sk_MIME_HEADER_find(hdrs, &htmp); 887c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(idx < 0) return NULL; 888c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return sk_MIME_HEADER_value(hdrs, idx); 889c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 890c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 891c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name) 892c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 893c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org MIME_PARAM param; 894c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int idx; 895c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org param.param_name = name; 896c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org idx = sk_MIME_PARAM_find(hdr->params, ¶m); 897c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(idx < 0) return NULL; 898c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return sk_MIME_PARAM_value(hdr->params, idx); 899c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 900c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 901c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic void mime_hdr_free(MIME_HEADER *hdr) 902c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 903c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(hdr->name) OPENSSL_free(hdr->name); 904c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(hdr->value) OPENSSL_free(hdr->value); 905c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(hdr->params) sk_MIME_PARAM_pop_free(hdr->params, mime_param_free); 906c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(hdr); 907c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 908c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 909c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic void mime_param_free(MIME_PARAM *param) 910c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 911c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(param->param_name) OPENSSL_free(param->param_name); 912c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(param->param_value) OPENSSL_free(param->param_value); 913c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(param); 914c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 915c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 916c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Check for a multipart boundary. Returns: 917c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 0 : no boundary 918c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1 : part boundary 919c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2 : final boundary 920c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 921c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int mime_bound_check(char *line, int linelen, char *bound, int blen) 922c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org{ 923c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(linelen == -1) linelen = strlen(line); 924c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(blen == -1) blen = strlen(bound); 925c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Quickly eliminate if line length too short */ 926c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(blen + 2 > linelen) return 0; 927c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org /* Check for part boundary */ 928c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!strncmp(line, "--", 2) && !strncmp(line + 2, bound, blen)) { 929c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if(!strncmp(line + blen + 2, "--", 2)) return 2; 930c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else return 1; 931c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 932c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return 0; 933c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org} 934c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 935c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgstatic int strip_eol(char *linebuf, int *plen) 936c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 937c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int len = *plen; 938c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *p, c; 939c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int is_eol = 0; 940c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org p = linebuf + len - 1; 941c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (p = linebuf + len - 1; len > 0; len--, p--) 942c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 943c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org c = *p; 944c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (c == '\n') 945c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org is_eol = 1; 946c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (c != '\r') 947c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 948c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 949c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org *plen = len; 950c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return is_eol; 951c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 952