mirror of https://github.com/status-im/BearSSL.git
155 lines
3.5 KiB
C
155 lines
3.5 KiB
C
/*
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* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include "brssl.h"
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#include "bearssl.h"
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static void
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print_blob(const char *name, const unsigned char *buf, size_t len)
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{
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size_t u;
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printf("\nstatic const unsigned char %s[] = {", name);
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for (u = 0; u < len; u ++) {
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if (u != 0) {
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printf(",");
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}
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if (u % 12 == 0) {
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printf("\n\t");
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} else {
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printf(" ");
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}
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printf("0x%02X", buf[u]);
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}
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printf("\n};\n");
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}
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static void
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usage_chain(void)
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{
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fprintf(stderr,
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"usage: brssl chain [ options ] file...\n");
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fprintf(stderr,
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"options:\n");
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fprintf(stderr,
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" -q suppress verbose messages\n");
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}
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/* see brssl.h */
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int
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do_chain(int argc, char *argv[])
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{
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int retcode;
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int verbose;
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int i, num_files;
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long k, ctr;
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retcode = 0;
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verbose = 1;
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num_files = 0;
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for (i = 0; i < argc; i ++) {
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const char *arg;
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arg = argv[i];
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if (arg[0] != '-') {
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num_files ++;
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continue;
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}
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argv[i] = NULL;
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if (eqstr(arg, "-v") || eqstr(arg, "-verbose")) {
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verbose = 1;
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} else if (eqstr(arg, "-q") || eqstr(arg, "-quiet")) {
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verbose = 0;
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} else {
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fprintf(stderr, "ERROR: unknown option: '%s'\n", arg);
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usage_chain();
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goto chain_exit_error;
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}
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}
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if (num_files == 0) {
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fprintf(stderr, "ERROR: no certificate file provided\n");
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usage_chain();
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goto chain_exit_error;
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}
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ctr = 0;
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for (i = 0; i < argc; i ++) {
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const char *fname;
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br_x509_certificate *xcs;
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size_t u, num;
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fname = argv[i];
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if (fname == NULL) {
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continue;
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}
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if (verbose) {
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fprintf(stderr, "Reading file '%s': ", fname);
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fflush(stderr);
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}
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xcs = read_certificates(fname, &num);
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if (xcs == NULL) {
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goto chain_exit_error;
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}
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if (verbose) {
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fprintf(stderr, "%lu certificate%s\n",
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(unsigned long)num, num > 1 ? "s" : "");
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}
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for (u = 0; u < num; u ++) {
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char tmp[50];
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sprintf(tmp, "CERT%ld", ctr ++);
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print_blob(tmp, xcs[u].data, xcs[u].data_len);
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xfree(xcs[u].data);
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}
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xfree(xcs);
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}
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printf("\nstatic const br_x509_certificate CHAIN[] = {");
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for (k = 0; k < ctr; k ++) {
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if (k != 0) {
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printf(",");
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}
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printf("\n\t{ (unsigned char *)CERT%ld, sizeof CERT%ld }",
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k, k);
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}
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printf("\n};\n");
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printf("\n#define CHAIN_LEN %ld\n", ctr);
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/*
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* Release allocated structures.
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*/
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chain_exit:
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return retcode;
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chain_exit_error:
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retcode = -1;
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goto chain_exit;
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}
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