1 /*
2  *  CRL reading application
3  *
4  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
5  *  SPDX-License-Identifier: Apache-2.0
6  *
7  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
8  *  not use this file except in compliance with the License.
9  *  You may obtain a copy of the License at
10  *
11  *  http://www.apache.org/licenses/LICENSE-2.0
12  *
13  *  Unless required by applicable law or agreed to in writing, software
14  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  *  See the License for the specific language governing permissions and
17  *  limitations under the License.
18  *
19  *  This file is part of mbed TLS (https://tls.mbed.org)
20  */
21 
22 #if !defined(MBEDTLS_CONFIG_FILE)
23 #include "mbedtls/config.h"
24 #else
25 #include MBEDTLS_CONFIG_FILE
26 #endif
27 
28 #if defined(MBEDTLS_PLATFORM_C)
29 #include "mbedtls/platform.h"
30 #else
31 #include <stdio.h>
32 #define mbedtls_printf     printf
33 #endif
34 
35 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
36     !defined(MBEDTLS_X509_CRL_PARSE_C) || !defined(MBEDTLS_FS_IO)
main(void)37 int main( void )
38 {
39     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
40            "MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
41     return( 0 );
42 }
43 #else
44 
45 #include "mbedtls/x509_crl.h"
46 
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 
51 #define DFL_FILENAME            "crl.pem"
52 #define DFL_DEBUG_LEVEL         0
53 
54 #define USAGE \
55     "\n usage: crl_app param=<>...\n"                   \
56     "\n acceptable parameters:\n"                       \
57     "    filename=%%s         default: crl.pem\n"      \
58     "\n"
59 
60 /*
61  * global options
62  */
63 struct options
64 {
65     const char *filename;       /* filename of the certificate file     */
66 } opt;
67 
main(int argc,char * argv[])68 int main( int argc, char *argv[] )
69 {
70     int ret = 0;
71     unsigned char buf[100000];
72     mbedtls_x509_crl crl;
73     int i;
74     char *p, *q;
75 
76     /*
77      * Set to sane values
78      */
79     mbedtls_x509_crl_init( &crl );
80 
81     if( argc == 0 )
82     {
83     usage:
84         mbedtls_printf( USAGE );
85         goto exit;
86     }
87 
88     opt.filename            = DFL_FILENAME;
89 
90     for( i = 1; i < argc; i++ )
91     {
92         p = argv[i];
93         if( ( q = strchr( p, '=' ) ) == NULL )
94             goto usage;
95         *q++ = '\0';
96 
97         if( strcmp( p, "filename" ) == 0 )
98             opt.filename = q;
99         else
100             goto usage;
101     }
102 
103     /*
104      * 1.1. Load the CRL
105      */
106     mbedtls_printf( "\n  . Loading the CRL ..." );
107     fflush( stdout );
108 
109     ret = mbedtls_x509_crl_parse_file( &crl, opt.filename );
110 
111     if( ret != 0 )
112     {
113         mbedtls_printf( " failed\n  !  mbedtls_x509_crl_parse_file returned %d\n\n", ret );
114         mbedtls_x509_crl_free( &crl );
115         goto exit;
116     }
117 
118     mbedtls_printf( " ok\n" );
119 
120     /*
121      * 1.2 Print the CRL
122      */
123     mbedtls_printf( "  . CRL information    ...\n" );
124     ret = mbedtls_x509_crl_info( (char *) buf, sizeof( buf ) - 1, "      ", &crl );
125     if( ret == -1 )
126     {
127         mbedtls_printf( " failed\n  !  mbedtls_x509_crl_info returned %d\n\n", ret );
128         mbedtls_x509_crl_free( &crl );
129         goto exit;
130     }
131 
132     mbedtls_printf( "%s\n", buf );
133 
134 exit:
135     mbedtls_x509_crl_free( &crl );
136 
137 #if defined(_WIN32)
138     mbedtls_printf( "  + Press Enter to exit this program.\n" );
139     fflush( stdout ); getchar();
140 #endif
141 
142     return( ret );
143 }
144 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CRL_PARSE_C &&
145           MBEDTLS_FS_IO */
146