1 /*
2 * Certificate request 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 #include <stdlib.h>
33 #define mbedtls_printf printf
34 #define mbedtls_exit exit
35 #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
36 #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
37 #endif /* MBEDTLS_PLATFORM_C */
38
39 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \
40 !defined(MBEDTLS_X509_CSR_PARSE_C) || !defined(MBEDTLS_FS_IO)
main(void)41 int main( void )
42 {
43 mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
44 "MBEDTLS_X509_CSR_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
45 return( 0 );
46 }
47 #else
48
49 #include "mbedtls/x509_csr.h"
50
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54
55 #define DFL_FILENAME "cert.req"
56 #define DFL_DEBUG_LEVEL 0
57
58 #define USAGE \
59 "\n usage: req_app param=<>...\n" \
60 "\n acceptable parameters:\n" \
61 " filename=%%s default: cert.req\n" \
62 "\n"
63
64 #if defined(MBEDTLS_CHECK_PARAMS)
65 #define mbedtls_exit exit
mbedtls_param_failed(const char * failure_condition,const char * file,int line)66 void mbedtls_param_failed( const char *failure_condition,
67 const char *file,
68 int line )
69 {
70 mbedtls_printf( "%s:%i: Input param failed - %s\n",
71 file, line, failure_condition );
72 mbedtls_exit( MBEDTLS_EXIT_FAILURE );
73 }
74 #endif
75
76 /*
77 * global options
78 */
79 struct options
80 {
81 const char *filename; /* filename of the certificate request */
82 } opt;
83
main(int argc,char * argv[])84 int main( int argc, char *argv[] )
85 {
86 int ret = 1;
87 int exit_code = MBEDTLS_EXIT_FAILURE;
88 unsigned char buf[100000];
89 mbedtls_x509_csr csr;
90 int i;
91 char *p, *q;
92
93 /*
94 * Set to sane values
95 */
96 mbedtls_x509_csr_init( &csr );
97
98 if( argc == 0 )
99 {
100 usage:
101 mbedtls_printf( USAGE );
102 goto exit;
103 }
104
105 opt.filename = DFL_FILENAME;
106
107 for( i = 1; i < argc; i++ )
108 {
109 p = argv[i];
110 if( ( q = strchr( p, '=' ) ) == NULL )
111 goto usage;
112 *q++ = '\0';
113
114 if( strcmp( p, "filename" ) == 0 )
115 opt.filename = q;
116 else
117 goto usage;
118 }
119
120 /*
121 * 1.1. Load the CSR
122 */
123 mbedtls_printf( "\n . Loading the CSR ..." );
124 fflush( stdout );
125
126 ret = mbedtls_x509_csr_parse_file( &csr, opt.filename );
127
128 if( ret != 0 )
129 {
130 mbedtls_printf( " failed\n ! mbedtls_x509_csr_parse_file returned %d\n\n", ret );
131 mbedtls_x509_csr_free( &csr );
132 goto exit;
133 }
134
135 mbedtls_printf( " ok\n" );
136
137 /*
138 * 1.2 Print the CSR
139 */
140 mbedtls_printf( " . CSR information ...\n" );
141 ret = mbedtls_x509_csr_info( (char *) buf, sizeof( buf ) - 1, " ", &csr );
142 if( ret == -1 )
143 {
144 mbedtls_printf( " failed\n ! mbedtls_x509_csr_info returned %d\n\n", ret );
145 mbedtls_x509_csr_free( &csr );
146 goto exit;
147 }
148
149 mbedtls_printf( "%s\n", buf );
150
151 exit_code = MBEDTLS_EXIT_SUCCESS;
152
153 exit:
154 mbedtls_x509_csr_free( &csr );
155
156 #if defined(_WIN32)
157 mbedtls_printf( " + Press Enter to exit this program.\n" );
158 fflush( stdout ); getchar();
159 #endif
160
161 return( exit_code );
162 }
163 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CSR_PARSE_C &&
164 MBEDTLS_FS_IO */
165