mirror of
https://github.com/oxen-io/session-android.git
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267 lines
7.9 KiB
C
267 lines
7.9 KiB
C
/* crypto/asn1/t_req.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/buffer.h>
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#include <openssl/bn.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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#ifndef OPENSSL_NO_DSA
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#include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_FP_API
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int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
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{
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BIO *b;
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int ret;
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if ((b=BIO_new(BIO_s_file())) == NULL)
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{
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X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
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return(0);
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}
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BIO_set_fp(b,fp,BIO_NOCLOSE);
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ret=X509_REQ_print(b, x);
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BIO_free(b);
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return(ret);
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}
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#endif
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int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)
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{
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unsigned long l;
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int i;
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const char *neg;
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X509_REQ_INFO *ri;
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EVP_PKEY *pkey;
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STACK_OF(X509_ATTRIBUTE) *sk;
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STACK_OF(X509_EXTENSION) *exts;
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char mlch = ' ';
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int nmindent = 0;
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if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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mlch = '\n';
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nmindent = 12;
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}
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if(nmflags == X509_FLAG_COMPAT)
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nmindent = 16;
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ri=x->req_info;
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if(!(cflag & X509_FLAG_NO_HEADER))
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{
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if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
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if (BIO_write(bp," Data:\n",10) <= 0) goto err;
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}
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if(!(cflag & X509_FLAG_NO_VERSION))
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{
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neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
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l=0;
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for (i=0; i<ri->version->length; i++)
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{ l<<=8; l+=ri->version->data[i]; }
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if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,
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l) <= 0)
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goto err;
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}
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if(!(cflag & X509_FLAG_NO_SUBJECT))
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{
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if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
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if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
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if (BIO_write(bp,"\n",1) <= 0) goto err;
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}
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if(!(cflag & X509_FLAG_NO_PUBKEY))
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{
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if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
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goto err;
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if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
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goto err;
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if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
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goto err;
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if (BIO_puts(bp, "\n") <= 0)
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goto err;
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pkey=X509_REQ_get_pubkey(x);
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if (pkey == NULL)
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{
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BIO_printf(bp,"%12sUnable to load Public Key\n","");
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ERR_print_errors(bp);
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}
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else
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{
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EVP_PKEY_print_public(bp, pkey, 16, NULL);
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EVP_PKEY_free(pkey);
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}
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}
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if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
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{
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/* may not be */
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if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
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goto err;
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sk=x->req_info->attributes;
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if (sk_X509_ATTRIBUTE_num(sk) == 0)
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{
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if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
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goto err;
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}
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else
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{
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for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
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{
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ASN1_TYPE *at;
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X509_ATTRIBUTE *a;
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ASN1_BIT_STRING *bs=NULL;
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ASN1_TYPE *t;
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int j,type=0,count=1,ii=0;
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a=sk_X509_ATTRIBUTE_value(sk,i);
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if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
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continue;
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if(BIO_printf(bp,"%12s","") <= 0)
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goto err;
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if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
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{
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if (a->single)
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{
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t=a->value.single;
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type=t->type;
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bs=t->value.bit_string;
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}
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else
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{
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ii=0;
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count=sk_ASN1_TYPE_num(a->value.set);
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get_next:
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at=sk_ASN1_TYPE_value(a->value.set,ii);
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type=at->type;
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bs=at->value.asn1_string;
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}
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}
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for (j=25-j; j>0; j--)
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if (BIO_write(bp," ",1) != 1) goto err;
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if (BIO_puts(bp,":") <= 0) goto err;
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if ( (type == V_ASN1_PRINTABLESTRING) ||
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(type == V_ASN1_T61STRING) ||
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(type == V_ASN1_IA5STRING))
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{
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if (BIO_write(bp,(char *)bs->data,bs->length)
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!= bs->length)
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goto err;
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BIO_puts(bp,"\n");
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}
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else
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{
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BIO_puts(bp,"unable to print attribute\n");
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}
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if (++ii < count) goto get_next;
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}
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}
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}
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if(!(cflag & X509_FLAG_NO_EXTENSIONS))
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{
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exts = X509_REQ_get_extensions(x);
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if(exts)
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{
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BIO_printf(bp,"%8sRequested Extensions:\n","");
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for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
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{
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ASN1_OBJECT *obj;
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X509_EXTENSION *ex;
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int j;
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ex=sk_X509_EXTENSION_value(exts, i);
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if (BIO_printf(bp,"%12s","") <= 0) goto err;
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obj=X509_EXTENSION_get_object(ex);
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i2a_ASN1_OBJECT(bp,obj);
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j=X509_EXTENSION_get_critical(ex);
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if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
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goto err;
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if(!X509V3_EXT_print(bp, ex, cflag, 16))
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{
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BIO_printf(bp, "%16s", "");
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M_ASN1_OCTET_STRING_print(bp,ex->value);
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}
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if (BIO_write(bp,"\n",1) <= 0) goto err;
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}
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sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
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}
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}
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if(!(cflag & X509_FLAG_NO_SIGDUMP))
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{
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if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
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}
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return(1);
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err:
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X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
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return(0);
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}
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int X509_REQ_print(BIO *bp, X509_REQ *x)
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{
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return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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