409 lines
11 KiB
C
409 lines
11 KiB
C
/* crypto/asn1/t_x509.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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#ifndef NO_RSA
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#include <openssl/rsa.h>
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#endif
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#ifndef NO_DSA
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#include <openssl/dsa.h>
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#endif
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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 NO_FP_API
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int X509_print_fp(FILE *fp, X509 *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_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_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_print(BIO *bp, X509 *x)
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{
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long l;
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int ret=0,i,j,n;
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char *m=NULL,*s;
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X509_CINF *ci;
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ASN1_INTEGER *bs;
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EVP_PKEY *pkey=NULL;
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const char *neg;
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X509_EXTENSION *ex;
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ASN1_STRING *str=NULL;
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ci=x->cert_info;
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if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
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if (BIO_write(bp," Data:\n",10) <= 0) goto err;
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l=X509_get_version(x);
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if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
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if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
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bs=X509_get_serialNumber(x);
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if (bs->length <= 4)
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{
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l=ASN1_INTEGER_get(bs);
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if (l < 0)
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{
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l= -l;
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neg="-";
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}
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else
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neg="";
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if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
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goto err;
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}
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else
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{
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neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
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if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
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for (i=0; i<bs->length; i++)
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{
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if (BIO_printf(bp,"%02x%c",bs->data[i],
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((i+1 == bs->length)?'\n':':')) <= 0)
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goto err;
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}
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}
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i=OBJ_obj2nid(ci->signature->algorithm);
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if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","",
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(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0)
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goto err;
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if (BIO_write(bp," Issuer: ",16) <= 0) goto err;
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if (!X509_NAME_print(bp,X509_get_issuer_name(x),16)) goto err;
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if (BIO_write(bp,"\n Validity\n",18) <= 0) goto err;
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if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
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if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
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if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
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if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
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if (BIO_write(bp,"\n Subject: ",18) <= 0) goto err;
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if (!X509_NAME_print(bp,X509_get_subject_name(x),16)) goto err;
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if (BIO_write(bp,"\n Subject Public Key Info:\n",34) <= 0)
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goto err;
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i=OBJ_obj2nid(ci->key->algor->algorithm);
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if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","",
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(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
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pkey=X509_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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#ifndef NO_RSA
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if (pkey->type == EVP_PKEY_RSA)
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{
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BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
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BN_num_bits(pkey->pkey.rsa->n));
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RSA_print(bp,pkey->pkey.rsa,16);
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}
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else
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#endif
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#ifndef NO_DSA
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if (pkey->type == EVP_PKEY_DSA)
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{
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BIO_printf(bp,"%12sDSA Public Key:\n","");
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DSA_print(bp,pkey->pkey.dsa,16);
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}
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else
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#endif
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BIO_printf(bp,"%12sUnknown Public Key:\n","");
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EVP_PKEY_free(pkey);
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n=X509_get_ext_count(x);
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if (n > 0)
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{
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BIO_printf(bp,"%8sX509v3 extensions:\n","");
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for (i=0; i<n; i++)
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{
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ASN1_OBJECT *obj;
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ex=X509_get_ext(x,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, 0, 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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}
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i=OBJ_obj2nid(x->sig_alg->algorithm);
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if (BIO_printf(bp,"%4sSignature Algorithm: %s","",
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(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
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n=x->signature->length;
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s=(char *)x->signature->data;
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for (i=0; i<n; i++)
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{
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if ((i%18) == 0)
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if (BIO_write(bp,"\n ",9) <= 0) goto err;
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if (BIO_printf(bp,"%02x%s",(unsigned char)s[i],
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((i+1) == n)?"":":") <= 0) goto err;
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}
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if (BIO_write(bp,"\n",1) != 1) goto err;
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if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
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ret=1;
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err:
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if (str != NULL) ASN1_STRING_free(str);
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if (m != NULL) Free(m);
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return(ret);
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}
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int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
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{
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int i,n;
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char buf[80],*p;;
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if (v == NULL) return(0);
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n=0;
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p=(char *)v->data;
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for (i=0; i<v->length; i++)
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{
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if ((p[i] > '~') || ((p[i] < ' ') &&
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(p[i] != '\n') && (p[i] != '\r')))
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buf[n]='.';
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else
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buf[n]=p[i];
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n++;
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if (n >= 80)
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{
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if (BIO_write(bp,buf,n) <= 0)
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return(0);
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n=0;
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}
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}
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if (n > 0)
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if (BIO_write(bp,buf,n) <= 0)
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return(0);
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return(1);
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}
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int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
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{
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if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
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if(tm->type == V_ASN1_GENERALIZEDTIME)
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return ASN1_GENERALIZEDTIME_print(bp, tm);
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BIO_write(bp,"Bad time value",14);
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return(0);
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}
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static const char *mon[12]=
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{
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"Jan","Feb","Mar","Apr","May","Jun",
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"Jul","Aug","Sep","Oct","Nov","Dec"
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};
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int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
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{
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char *v;
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int gmt=0;
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int i;
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int y=0,M=0,d=0,h=0,m=0,s=0;
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i=tm->length;
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v=(char *)tm->data;
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if (i < 12) goto err;
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if (v[i-1] == 'Z') gmt=1;
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for (i=0; i<12; i++)
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if ((v[i] > '9') || (v[i] < '0')) goto err;
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y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
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M= (v[4]-'0')*10+(v[5]-'0');
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if ((M > 12) || (M < 1)) goto err;
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d= (v[6]-'0')*10+(v[7]-'0');
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h= (v[8]-'0')*10+(v[9]-'0');
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m= (v[10]-'0')*10+(v[11]-'0');
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if ( (v[12] >= '0') && (v[12] <= '9') &&
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(v[13] >= '0') && (v[13] <= '9'))
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s= (v[12]-'0')*10+(v[13]-'0');
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if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
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mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
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return(0);
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else
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return(1);
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err:
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BIO_write(bp,"Bad time value",14);
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return(0);
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}
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int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
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{
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char *v;
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int gmt=0;
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int i;
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int y=0,M=0,d=0,h=0,m=0,s=0;
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i=tm->length;
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v=(char *)tm->data;
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if (i < 10) goto err;
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if (v[i-1] == 'Z') gmt=1;
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for (i=0; i<10; i++)
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if ((v[i] > '9') || (v[i] < '0')) goto err;
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y= (v[0]-'0')*10+(v[1]-'0');
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if (y < 50) y+=100;
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M= (v[2]-'0')*10+(v[3]-'0');
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if ((M > 12) || (M < 1)) goto err;
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d= (v[4]-'0')*10+(v[5]-'0');
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h= (v[6]-'0')*10+(v[7]-'0');
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m= (v[8]-'0')*10+(v[9]-'0');
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if ( (v[10] >= '0') && (v[10] <= '9') &&
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(v[11] >= '0') && (v[11] <= '9'))
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s= (v[10]-'0')*10+(v[11]-'0');
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if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
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mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
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return(0);
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else
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return(1);
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err:
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BIO_write(bp,"Bad time value",14);
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return(0);
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}
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int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
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{
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char *s,*c;
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int ret=0,l,ll,i,first=1;
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char buf[256];
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ll=80-2-obase;
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s=X509_NAME_oneline(name,buf,256);
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s++; /* skip the first slash */
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l=ll;
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c=s;
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for (;;)
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{
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#ifndef CHARSET_EBCDIC
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if ( ((*s == '/') &&
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((s[1] >= 'A') && (s[1] <= 'Z') && (
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(s[2] == '=') ||
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((s[2] >= 'A') && (s[2] <= 'Z') &&
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(s[3] == '='))
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))) ||
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(*s == '\0'))
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#else
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if ( ((*s == '/') &&
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(isupper(s[1]) && (
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(s[2] == '=') ||
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(isupper(s[2]) &&
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(s[3] == '='))
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))) ||
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(*s == '\0'))
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#endif
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{
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if ((l <= 0) && !first)
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{
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first=0;
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if (BIO_write(bp,"\n",1) != 1) goto err;
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for (i=0; i<obase; i++)
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{
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if (BIO_write(bp," ",1) != 1) goto err;
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}
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l=ll;
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}
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i=s-c;
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if (BIO_write(bp,c,i) != i) goto err;
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c+=i;
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c++;
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if (*s != '\0')
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{
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if (BIO_write(bp,", ",2) != 2) goto err;
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}
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l--;
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}
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if (*s == '\0') break;
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s++;
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l--;
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}
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ret=1;
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if (0)
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{
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err:
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X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
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}
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return(ret);
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}
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