1 /*
2  *  Root CA reading application
3  *
4  *  Copyright The Mbed TLS Contributors
5  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
6  *
7  *  This file is provided under the Apache License 2.0, or the
8  *  GNU General Public License v2.0 or later.
9  *
10  *  **********
11  *  Apache License 2.0:
12  *
13  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
14  *  not use this file except in compliance with the License.
15  *  You may obtain a copy of the License at
16  *
17  *  http://www.apache.org/licenses/LICENSE-2.0
18  *
19  *  Unless required by applicable law or agreed to in writing, software
20  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
21  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22  *  See the License for the specific language governing permissions and
23  *  limitations under the License.
24  *
25  *  **********
26  *
27  *  **********
28  *  GNU General Public License v2.0 or later:
29  *
30  *  This program is free software; you can redistribute it and/or modify
31  *  it under the terms of the GNU General Public License as published by
32  *  the Free Software Foundation; either version 2 of the License, or
33  *  (at your option) any later version.
34  *
35  *  This program is distributed in the hope that it will be useful,
36  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
37  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
38  *  GNU General Public License for more details.
39  *
40  *  You should have received a copy of the GNU General Public License along
41  *  with this program; if not, write to the Free Software Foundation, Inc.,
42  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
43  *
44  *  **********
45  */
46 
47 #include "mbedtls/build_info.h"
48 
49 #include "mbedtls/platform.h"
50 
51 #if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) ||  \
52     !defined(MBEDTLS_TIMING_C)
main(void)53 int main( void )
54 {
55     mbedtls_printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
56            "MBEDTLS_TIMING_C not defined.\n");
57     mbedtls_exit( 0 );
58 }
59 #else
60 
61 #include "mbedtls/error.h"
62 #include "mbedtls/timing.h"
63 #include "mbedtls/x509_crt.h"
64 
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <string.h>
68 
69 #define DFL_ITERATIONS          1
70 #define DFL_PRIME_CACHE         1
71 
72 #define USAGE \
73     "\n usage: load_roots param=<>... [--] FILE...\n"   \
74     "\n acceptable parameters:\n"                       \
75     "    iterations=%%d        Iteration count (not including cache priming); default: 1\n"  \
76     "    prime=%%d             Prime the disk read cache? Default: 1 (yes)\n"  \
77     "\n"
78 
79 
80 /*
81  * global options
82  */
83 struct options
84 {
85     const char **filenames;     /* NULL-terminated list of file names */
86     unsigned iterations;        /* Number of iterations to time */
87     int prime_cache;            /* Prime the disk read cache? */
88 } opt;
89 
90 
read_certificates(const char * const * filenames)91 int read_certificates( const char *const *filenames )
92 {
93     mbedtls_x509_crt cas;
94     int ret = 0;
95     const char *const *cur;
96 
97     mbedtls_x509_crt_init( &cas );
98 
99     for( cur = filenames; *cur != NULL; cur++ )
100     {
101         ret = mbedtls_x509_crt_parse_file( &cas, *cur );
102         if( ret != 0 )
103         {
104 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
105             char error_message[200];
106             mbedtls_strerror( ret, error_message, sizeof( error_message ) );
107             printf( "\n%s: -0x%04x (%s)\n",
108                     *cur, (unsigned) -ret, error_message );
109 #else
110             printf( "\n%s: -0x%04x\n",
111                     *cur, (unsigned) -ret );
112 #endif
113             goto exit;
114         }
115     }
116 
117 exit:
118     mbedtls_x509_crt_free( &cas );
119     return( ret == 0 );
120 }
121 
main(int argc,char * argv[])122 int main( int argc, char *argv[] )
123 {
124     int exit_code = MBEDTLS_EXIT_FAILURE;
125     unsigned i, j;
126     struct mbedtls_timing_hr_time timer;
127     unsigned long ms;
128 
129     if( argc <= 1 )
130     {
131         mbedtls_printf( USAGE );
132         goto exit;
133     }
134 
135     opt.filenames = NULL;
136     opt.iterations = DFL_ITERATIONS;
137     opt.prime_cache = DFL_PRIME_CACHE;
138 
139     for( i = 1; i < (unsigned) argc; i++ )
140     {
141         char *p = argv[i];
142         char *q = NULL;
143 
144         if( strcmp( p, "--" ) == 0 )
145             break;
146         if( ( q = strchr( p, '=' ) ) == NULL )
147             break;
148         *q++ = '\0';
149 
150         for( j = 0; p + j < q; j++ )
151         {
152             if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
153                 argv[i][j] |= 0x20;
154         }
155 
156         if( strcmp( p, "iterations" ) == 0 )
157         {
158             opt.iterations = atoi( q );
159         }
160         else if( strcmp( p, "prime" ) == 0 )
161         {
162             opt.iterations = atoi( q ) != 0;
163         }
164         else
165         {
166             mbedtls_printf( "Unknown option: %s\n", p );
167             mbedtls_printf( USAGE );
168             goto exit;
169         }
170     }
171 
172     opt.filenames = (const char**) argv + i;
173     if( *opt.filenames == 0 )
174     {
175         mbedtls_printf( "Missing list of certificate files to parse\n" );
176         goto exit;
177     }
178 
179     mbedtls_printf( "Parsing %u certificates", argc - i );
180     if( opt.prime_cache )
181     {
182         if( ! read_certificates( opt.filenames ) )
183             goto exit;
184         mbedtls_printf( " " );
185     }
186 
187     (void) mbedtls_timing_get_timer( &timer, 1 );
188     for( i = 1; i <= opt.iterations; i++ )
189     {
190         if( ! read_certificates( opt.filenames ) )
191             goto exit;
192         mbedtls_printf( "." );
193     }
194     ms = mbedtls_timing_get_timer( &timer, 0 );
195     mbedtls_printf( "\n%u iterations -> %lu ms\n", opt.iterations, ms );
196     exit_code = MBEDTLS_EXIT_SUCCESS;
197 
198 exit:
199     mbedtls_exit( exit_code );
200 }
201 #endif /* necessary configuration */
202