mirror of
https://github.com/matrix-construct/construct
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86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/*
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* mkfingerprint.c: Create certificate fingerprints using librb
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* Copyright 2016 simon Arlott
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "rb_lib.h"
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#include "certfp.h"
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int main(int argc, char *argv[])
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{
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uint8_t certfp[RB_SSL_CERTFP_LEN+1] = { 0 };
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const char *method_str;
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const char *filename;
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int method;
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const char *prefix;
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int ret;
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int i;
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if (argc != 3) {
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printf("mkfingerprint <method> <filename>\n");
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printf(" Valid methods: "
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CERTFP_NAME_CERT_SHA1 ", "
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CERTFP_NAME_CERT_SHA256 ", "
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CERTFP_NAME_CERT_SHA512 ", "
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CERTFP_NAME_SPKI_SHA256 ", "
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CERTFP_NAME_SPKI_SHA512 "\n");
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return 1;
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}
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method_str = argv[1];
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filename = argv[2];
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if (!strcmp(method_str, CERTFP_NAME_CERT_SHA1)) {
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method = RB_SSL_CERTFP_METH_CERT_SHA1;
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prefix = CERTFP_PREFIX_CERT_SHA1;
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} else if (!strcmp(method_str, CERTFP_NAME_CERT_SHA256)) {
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method = RB_SSL_CERTFP_METH_CERT_SHA256;
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prefix = CERTFP_PREFIX_CERT_SHA256;
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} else if (!strcmp(method_str, CERTFP_NAME_CERT_SHA512)) {
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method = RB_SSL_CERTFP_METH_CERT_SHA512;
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prefix = CERTFP_PREFIX_CERT_SHA512;
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} else if (!strcmp(method_str, CERTFP_NAME_SPKI_SHA256)) {
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method = RB_SSL_CERTFP_METH_SPKI_SHA256;
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prefix = CERTFP_PREFIX_SPKI_SHA256;
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} else if (!strcmp(method_str, CERTFP_NAME_SPKI_SHA512)) {
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method = RB_SSL_CERTFP_METH_SPKI_SHA512;
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prefix = CERTFP_PREFIX_SPKI_SHA512;
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} else {
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printf("Unknown method: %s\n", method_str);
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return 1;
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}
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ret = rb_get_ssl_certfp_file(filename, certfp, method);
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if (ret < 0) {
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perror(filename);
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return 1;
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} else if (ret == 0) {
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fprintf(stderr, "Unknown error\n");
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return 1;
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}
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printf("%s", prefix);
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for (i = 0; i < strlen(certfp); i++) {
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printf("%02x", certfp[i]);
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}
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printf("\n");
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return 0;
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}
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