LCOV - code coverage report
Current view: top level - x509v3 - v3_prn.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 49 67 73.1 %
Date: 2014-08-02 Functions: 3 5 60.0 %
Branches: 42 69 60.9 %

           Branch data     Line data    Source code
       1                 :            : /* v3_prn.c */
       2                 :            : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
       3                 :            :  * project 1999.
       4                 :            :  */
       5                 :            : /* ====================================================================
       6                 :            :  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
       7                 :            :  *
       8                 :            :  * Redistribution and use in source and binary forms, with or without
       9                 :            :  * modification, are permitted provided that the following conditions
      10                 :            :  * are met:
      11                 :            :  *
      12                 :            :  * 1. Redistributions of source code must retain the above copyright
      13                 :            :  *    notice, this list of conditions and the following disclaimer. 
      14                 :            :  *
      15                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      16                 :            :  *    notice, this list of conditions and the following disclaimer in
      17                 :            :  *    the documentation and/or other materials provided with the
      18                 :            :  *    distribution.
      19                 :            :  *
      20                 :            :  * 3. All advertising materials mentioning features or use of this
      21                 :            :  *    software must display the following acknowledgment:
      22                 :            :  *    "This product includes software developed by the OpenSSL Project
      23                 :            :  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
      24                 :            :  *
      25                 :            :  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
      26                 :            :  *    endorse or promote products derived from this software without
      27                 :            :  *    prior written permission. For written permission, please contact
      28                 :            :  *    licensing@OpenSSL.org.
      29                 :            :  *
      30                 :            :  * 5. Products derived from this software may not be called "OpenSSL"
      31                 :            :  *    nor may "OpenSSL" appear in their names without prior written
      32                 :            :  *    permission of the OpenSSL Project.
      33                 :            :  *
      34                 :            :  * 6. Redistributions of any form whatsoever must retain the following
      35                 :            :  *    acknowledgment:
      36                 :            :  *    "This product includes software developed by the OpenSSL Project
      37                 :            :  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
      38                 :            :  *
      39                 :            :  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
      40                 :            :  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      41                 :            :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
      42                 :            :  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
      43                 :            :  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      44                 :            :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      45                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      46                 :            :  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      47                 :            :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      48                 :            :  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      49                 :            :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
      50                 :            :  * OF THE POSSIBILITY OF SUCH DAMAGE.
      51                 :            :  * ====================================================================
      52                 :            :  *
      53                 :            :  * This product includes cryptographic software written by Eric Young
      54                 :            :  * (eay@cryptsoft.com).  This product includes software written by Tim
      55                 :            :  * Hudson (tjh@cryptsoft.com).
      56                 :            :  *
      57                 :            :  */
      58                 :            : /* X509 v3 extension utilities */
      59                 :            : 
      60                 :            : #include <stdio.h>
      61                 :            : #include "cryptlib.h"
      62                 :            : #include <openssl/conf.h>
      63                 :            : #include <openssl/x509v3.h>
      64                 :            : 
      65                 :            : /* Extension printing routines */
      66                 :            : 
      67                 :            : static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported);
      68                 :            : 
      69                 :            : /* Print out a name+value stack */
      70                 :            : 
      71                 :         91 : void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
      72                 :            : {
      73                 :            :         int i;
      74                 :            :         CONF_VALUE *nval;
      75         [ +  - ]:         91 :         if(!val) return;
      76 [ +  + ][ -  + ]:         91 :         if(!ml || !sk_CONF_VALUE_num(val)) {
      77                 :         52 :                 BIO_printf(out, "%*s", indent, "");
      78         [ +  + ]:         91 :                 if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n");
      79                 :            :         }
      80         [ +  + ]:        258 :         for(i = 0; i < sk_CONF_VALUE_num(val); i++) {
      81         [ +  + ]:        167 :                 if(ml) BIO_printf(out, "%*s", indent, "");
      82         [ +  + ]:         56 :                 else if(i > 0) BIO_printf(out, ", ");
      83                 :        167 :                 nval = sk_CONF_VALUE_value(val, i);
      84         [ -  + ]:        167 :                 if(!nval->name) BIO_puts(out, nval->value);
      85         [ +  + ]:        167 :                 else if(!nval->value) BIO_puts(out, nval->name);
      86                 :            : #ifndef CHARSET_EBCDIC
      87                 :        158 :                 else BIO_printf(out, "%s:%s", nval->name, nval->value);
      88                 :            : #else
      89                 :            :                 else {
      90                 :            :                         int len;
      91                 :            :                         char *tmp;
      92                 :            :                         len = strlen(nval->value)+1;
      93                 :            :                         tmp = OPENSSL_malloc(len);
      94                 :            :                         if (tmp)
      95                 :            :                         {
      96                 :            :                                 ascii2ebcdic(tmp, nval->value, len);
      97                 :            :                                 BIO_printf(out, "%s:%s", nval->name, tmp);
      98                 :            :                                 OPENSSL_free(tmp);
      99                 :            :                         }
     100                 :            :                 }
     101                 :            : #endif
     102         [ +  + ]:        167 :                 if(ml) BIO_puts(out, "\n");
     103                 :            :         }
     104                 :            : }
     105                 :            : 
     106                 :            : /* Main routine: print out a general extension */
     107                 :            : 
     108                 :        160 : int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
     109                 :            : {
     110                 :        160 :         void *ext_str = NULL;
     111                 :        160 :         char *value = NULL;
     112                 :            :         const unsigned char *p;
     113                 :            :         const X509V3_EXT_METHOD *method;        
     114                 :        160 :         STACK_OF(CONF_VALUE) *nval = NULL;
     115                 :        160 :         int ok = 1;
     116                 :            : 
     117         [ -  + ]:        160 :         if(!(method = X509V3_EXT_get(ext)))
     118                 :          0 :                 return unknown_ext_print(out, ext, flag, indent, 0);
     119                 :        160 :         p = ext->value->data;
     120         [ +  - ]:        160 :         if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
     121                 :          0 :         else ext_str = method->d2i(NULL, &p, ext->value->length);
     122                 :            : 
     123         [ -  + ]:        160 :         if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1);
     124                 :            : 
     125         [ +  + ]:        160 :         if(method->i2s) {
     126         [ +  - ]:         42 :                 if(!(value = method->i2s(method, ext_str))) {
     127                 :            :                         ok = 0;
     128                 :            :                         goto err;
     129                 :            :                 }
     130                 :            : #ifndef CHARSET_EBCDIC
     131                 :         42 :                 BIO_printf(out, "%*s%s", indent, "", value);
     132                 :            : #else
     133                 :            :                 {
     134                 :            :                         int len;
     135                 :            :                         char *tmp;
     136                 :            :                         len = strlen(value)+1;
     137                 :            :                         tmp = OPENSSL_malloc(len);
     138                 :            :                         if (tmp)
     139                 :            :                         {
     140                 :            :                                 ascii2ebcdic(tmp, value, len);
     141                 :            :                                 BIO_printf(out, "%*s%s", indent, "", tmp);
     142                 :            :                                 OPENSSL_free(tmp);
     143                 :            :                         }
     144                 :            :                 }
     145                 :            : #endif
     146         [ +  + ]:        118 :         } else if(method->i2v) {
     147         [ +  - ]:         86 :                 if(!(nval = method->i2v(method, ext_str, NULL))) {
     148                 :            :                         ok = 0;
     149                 :            :                         goto err;
     150                 :            :                 }
     151                 :         86 :                 X509V3_EXT_val_prn(out, nval, indent,
     152                 :         86 :                                  method->ext_flags & X509V3_EXT_MULTILINE);
     153         [ +  - ]:         32 :         } else if(method->i2r) {
     154         [ -  + ]:         32 :                 if(!method->i2r(method, ext_str, out, indent)) ok = 0;
     155                 :            :         } else ok = 0;
     156                 :            : 
     157                 :            :         err:
     158                 :        160 :                 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
     159         [ +  + ]:        160 :                 if(value) OPENSSL_free(value);
     160         [ +  - ]:        160 :                 if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
     161                 :          0 :                 else method->ext_free(ext_str);
     162                 :        160 :                 return ok;
     163                 :            : }
     164                 :            : 
     165                 :         39 : int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
     166                 :            : {
     167                 :            :         int i, j;
     168                 :            : 
     169         [ +  - ]:         39 :         if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
     170                 :            : 
     171         [ +  - ]:         39 :         if(title) 
     172                 :            :                 {
     173                 :         39 :                 BIO_printf(bp,"%*s%s:\n",indent, "", title);
     174                 :         39 :                 indent += 4;
     175                 :            :                 }
     176                 :            : 
     177         [ +  + ]:        199 :         for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
     178                 :            :                 {
     179                 :            :                 ASN1_OBJECT *obj;
     180                 :            :                 X509_EXTENSION *ex;
     181                 :        160 :                 ex=sk_X509_EXTENSION_value(exts, i);
     182 [ +  - ][ +  - ]:        160 :                 if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
     183                 :        160 :                 obj=X509_EXTENSION_get_object(ex);
     184                 :        160 :                 i2a_ASN1_OBJECT(bp,obj);
     185                 :        160 :                 j=X509_EXTENSION_get_critical(ex);
     186 [ +  + ][ +  - ]:        160 :                 if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
     187                 :            :                         return 0;
     188         [ -  + ]:        160 :                 if(!X509V3_EXT_print(bp, ex, flag, indent + 4))
     189                 :            :                         {
     190                 :          0 :                         BIO_printf(bp, "%*s", indent + 4, "");
     191                 :          0 :                         M_ASN1_OCTET_STRING_print(bp,ex->value);
     192                 :            :                         }
     193         [ +  - ]:        160 :                 if (BIO_write(bp,"\n",1) <= 0) return 0;
     194                 :            :                 }
     195                 :            :         return 1;
     196                 :            : }
     197                 :            : 
     198                 :          0 : static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported)
     199                 :            : {
     200   [ #  #  #  #  :          0 :         switch(flag & X509V3_EXT_UNKNOWN_MASK) {
                      # ]
     201                 :            : 
     202                 :            :                 case X509V3_EXT_DEFAULT:
     203                 :            :                 return 0;
     204                 :            : 
     205                 :            :                 case X509V3_EXT_ERROR_UNKNOWN:
     206         [ #  # ]:          0 :                 if(supported)
     207                 :          0 :                         BIO_printf(out, "%*s<Parse Error>", indent, "");
     208                 :            :                 else
     209                 :          0 :                         BIO_printf(out, "%*s<Not Supported>", indent, "");
     210                 :            :                 return 1;
     211                 :            : 
     212                 :            :                 case X509V3_EXT_PARSE_UNKNOWN:
     213                 :          0 :                         return ASN1_parse_dump(out,
     214                 :          0 :                                 ext->value->data, ext->value->length, indent, -1);
     215                 :            :                 case X509V3_EXT_DUMP_UNKNOWN:
     216                 :          0 :                         return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);
     217                 :            : 
     218                 :            :                 default:
     219                 :            :                 return 1;
     220                 :            :         }
     221                 :            : }
     222                 :            :         
     223                 :            : 
     224                 :            : #ifndef OPENSSL_NO_FP_API
     225                 :          0 : int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
     226                 :            : {
     227                 :            :         BIO *bio_tmp;
     228                 :            :         int ret;
     229         [ #  # ]:          0 :         if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
     230                 :          0 :         ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
     231                 :          0 :         BIO_free(bio_tmp);
     232                 :          0 :         return ret;
     233                 :            : }
     234                 :            : #endif

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