255 lines
6.8 KiB
C
255 lines
6.8 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 const char *
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curve_to_sym(int curve)
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{
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switch (curve) {
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case BR_EC_sect163k1: return "BR_EC_sect163k1";
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case BR_EC_sect163r1: return "BR_EC_sect163r1";
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case BR_EC_sect163r2: return "BR_EC_sect163r2";
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case BR_EC_sect193r1: return "BR_EC_sect193r1";
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case BR_EC_sect193r2: return "BR_EC_sect193r2";
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case BR_EC_sect233k1: return "BR_EC_sect233k1";
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case BR_EC_sect233r1: return "BR_EC_sect233r1";
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case BR_EC_sect239k1: return "BR_EC_sect239k1";
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case BR_EC_sect283k1: return "BR_EC_sect283k1";
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case BR_EC_sect283r1: return "BR_EC_sect283r1";
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case BR_EC_sect409k1: return "BR_EC_sect409k1";
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case BR_EC_sect409r1: return "BR_EC_sect409r1";
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case BR_EC_sect571k1: return "BR_EC_sect571k1";
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case BR_EC_sect571r1: return "BR_EC_sect571r1";
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case BR_EC_secp160k1: return "BR_EC_secp160k1";
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case BR_EC_secp160r1: return "BR_EC_secp160r1";
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case BR_EC_secp160r2: return "BR_EC_secp160r2";
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case BR_EC_secp192k1: return "BR_EC_secp192k1";
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case BR_EC_secp192r1: return "BR_EC_secp192r1";
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case BR_EC_secp224k1: return "BR_EC_secp224k1";
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case BR_EC_secp224r1: return "BR_EC_secp224r1";
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case BR_EC_secp256k1: return "BR_EC_secp256k1";
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case BR_EC_secp256r1: return "BR_EC_secp256r1";
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case BR_EC_secp384r1: return "BR_EC_secp384r1";
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case BR_EC_secp521r1: return "BR_EC_secp521r1";
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case BR_EC_brainpoolP256r1: return "BR_EC_brainpoolP256r1";
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case BR_EC_brainpoolP384r1: return "BR_EC_brainpoolP384r1";
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case BR_EC_brainpoolP512r1: return "BR_EC_brainpoolP512r1";
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}
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return NULL;
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}
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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 int
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print_ta_internals(br_x509_trust_anchor *ta, long ctr)
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{
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char tmp[25];
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sprintf(tmp, "TA%ld_DN", ctr);
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print_blob(tmp, ta->dn.data, ta->dn.len);
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switch (ta->pkey.key_type) {
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case BR_KEYTYPE_RSA:
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sprintf(tmp, "TA%ld_RSA_N", ctr);
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print_blob(tmp, ta->pkey.key.rsa.n, ta->pkey.key.rsa.nlen);
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sprintf(tmp, "TA%ld_RSA_E", ctr);
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print_blob(tmp, ta->pkey.key.rsa.e, ta->pkey.key.rsa.elen);
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break;
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case BR_KEYTYPE_EC:
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sprintf(tmp, "TA%ld_EC_Q", ctr);
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print_blob(tmp, ta->pkey.key.ec.q, ta->pkey.key.ec.qlen);
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break;
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default:
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fprintf(stderr, "ERROR: unknown anchor key type '%d'\n",
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ta->pkey.key_type);
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return -1;
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}
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return 0;
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}
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static void
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print_ta(br_x509_trust_anchor *ta, long ctr)
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{
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char tmp[25];
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printf("\t{\n");
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printf("\t\t{ (unsigned char *)TA%ld_DN, sizeof TA%ld_DN },\n",
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ctr, ctr);
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printf("\t\t%s,\n", (ta->flags & BR_X509_TA_CA)
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? "BR_X509_TA_CA" : "0");
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printf("\t\t{\n");
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switch (ta->pkey.key_type) {
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const char *cname;
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case BR_KEYTYPE_RSA:
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printf("\t\t\tBR_KEYTYPE_RSA,\n");
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printf("\t\t\t{ .rsa = {\n");
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printf("\t\t\t\t(unsigned char *)TA%ld_RSA_N,"
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" sizeof TA%ld_RSA_N,\n", ctr, ctr);
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printf("\t\t\t\t(unsigned char *)TA%ld_RSA_E,"
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" sizeof TA%ld_RSA_E,\n", ctr, ctr);
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printf("\t\t\t} }\n");
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break;
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case BR_KEYTYPE_EC:
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printf("\t\t\tBR_KEYTYPE_EC,\n");
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printf("\t\t\t{ .ec = {\n");
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cname = curve_to_sym(ta->pkey.key.ec.curve);
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if (cname == NULL) {
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sprintf(tmp, "%d", ta->pkey.key.ec.curve);
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cname = tmp;
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}
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printf("\t\t\t\t%s,\n", cname);
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printf("\t\t\t\t(unsigned char *)TA%ld_EC_Q,"
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" sizeof TA%ld_EC_Q,\n", ctr, ctr);
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printf("\t\t\t} }\n");
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}
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printf("\t\t}\n");
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printf("\t}");
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}
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static void
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usage_ta(void)
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{
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fprintf(stderr,
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"usage: brssl ta [ 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_ta(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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anchor_list tas = VEC_INIT;
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size_t u, num;
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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_ta();
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goto ta_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_ta();
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goto ta_exit_error;
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}
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for (i = 0; i < argc; i ++) {
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const char *fname;
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size_t len1, len2;
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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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len1 = VEC_LEN(tas);
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if (read_trust_anchors(&tas, fname) == 0) {
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goto ta_exit_error;
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}
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len2 = VEC_LEN(tas) - len1;
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if (verbose) {
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fprintf(stderr, "%lu trust anchor%s\n",
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(unsigned long)len2, len2 > 1 ? "s" : "");
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}
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}
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num = VEC_LEN(tas);
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for (u = 0; u < num; u ++) {
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if (print_ta_internals(&VEC_ELT(tas, u), u) < 0) {
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goto ta_exit_error;
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}
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}
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printf("\nstatic const br_x509_trust_anchor TAs[%ld] = {", (long)num);
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for (u = 0; u < num; u ++) {
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if (u != 0) {
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printf(",");
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}
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printf("\n");
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print_ta(&VEC_ELT(tas, u), u);
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}
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printf("\n};\n");
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printf("\n#define TAs_NUM %ld\n", (long)num);
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/*
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* Release allocated structures.
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*/
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ta_exit:
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VEC_CLEAREXT(tas, free_ta_contents);
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return retcode;
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ta_exit_error:
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retcode = -1;
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goto ta_exit;
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}
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