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-rw-r--r--trust/extract.c322
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diff --git a/trust/extract.c b/trust/extract.c
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-/*
- * Copyright (c) 2013, Red Hat Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * * Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * * The names of contributors to this software may not be
- * used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * Author: Stef Walter <stefw@redhat.com>
- */
-
-#include "config.h"
-
-#include "attrs.h"
-#include "compat.h"
-#include "debug.h"
-#include "extract.h"
-#include "message.h"
-#include "oid.h"
-#include "path.h"
-#include "pkcs11x.h"
-#include "save.h"
-#include "tool.h"
-#include "digest.h"
-
-#include "p11-kit/iter.h"
-#include "p11-kit/pkcs11.h"
-
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-#include <getopt.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-static bool
-format_argument (const char *optarg,
- p11_extract_func *func)
-{
- int i;
-
- /*
- * Certain formats do not support expressive trust information.
- * So the caller should limit the supported purposes when asking
- * for trust information.
- */
-
- static const struct {
- const char *format;
- p11_extract_func func;
- } formats[] = {
- { "x509-file", p11_extract_x509_file, },
- { "x509-directory", p11_extract_x509_directory, },
- { "pem-bundle", p11_extract_pem_bundle, },
- { "pem-directory", p11_extract_pem_directory },
- { "pem-directory-hash", p11_extract_pem_directory_hash },
- { "java-cacerts", p11_extract_jks_cacerts },
- { "openssl-bundle", p11_extract_openssl_bundle },
- { "openssl-directory", p11_extract_openssl_directory },
- { NULL },
- };
-
- if (*func != NULL) {
- p11_message ("a format was already specified");
- return false;
- }
-
- for (i = 0; formats[i].format != NULL; i++) {
- if (strcmp (optarg, formats[i].format) == 0) {
- *func = formats[i].func;
- break;
- }
- }
-
- if (*func == NULL) {
- p11_message ("unsupported or unrecognized format: %s", optarg);
- return false;
- }
-
- return true;
-}
-
-static bool
-validate_filter_and_format (p11_enumerate *ex,
- p11_extract_func func)
-{
- int i;
-
- /*
- * These are the extract functions that contain purpose information.
- * If we're being asked to export anchors, and the extract function does
- * not support, and the caller has not specified a purpose, then add a
- * default purpose to limit to.
- */
-
- static p11_extract_func supports_trust_policy[] = {
- p11_extract_openssl_bundle,
- p11_extract_openssl_directory,
- NULL
- };
-
- for (i = 0; supports_trust_policy[i] != NULL; i++) {
- if (func == supports_trust_policy[i])
- return true;
- }
-
- if ((ex->flags & P11_ENUMERATE_ANCHORS) &&
- (ex->flags & P11_ENUMERATE_BLACKLIST)) {
- /*
- * If we're extracting *both* anchors and blacklist, then we must have
- * a format that can represent the different types of information.
- */
-
- p11_message ("format does not support trust policy");
- return false;
-
- } else if (ex->flags & P11_ENUMERATE_ANCHORS) {
-
- /*
- * If we're extracting anchors, then we must have either limited the
- * purposes, or have a format that can represent multiple purposes.
- */
-
- if (!ex->limit_to_purposes) {
- p11_message ("format does not support multiple purposes, defaulting to 'server-auth'");
- p11_enumerate_opt_purpose (ex, "server-auth");
- }
- }
-
- return true;
-}
-
-int
-p11_trust_extract (int argc,
- char **argv)
-{
- p11_extract_func format = NULL;
- p11_enumerate ex;
- int opt = 0;
- int ret;
-
- enum {
- opt_overwrite = 'f',
- opt_verbose = 'v',
- opt_quiet = 'q',
- opt_help = 'h',
- opt_filter = 1000,
- opt_purpose,
- opt_format,
- opt_comment,
- };
-
- struct option options[] = {
- { "filter", required_argument, NULL, opt_filter },
- { "format", required_argument, NULL, opt_format },
- { "purpose", required_argument, NULL, opt_purpose },
- { "overwrite", no_argument, NULL, opt_overwrite },
- { "comment", no_argument, NULL, opt_comment },
- { "verbose", no_argument, NULL, opt_verbose },
- { "quiet", no_argument, NULL, opt_quiet },
- { "help", no_argument, NULL, opt_help },
- { 0 },
- };
-
- p11_tool_desc usages[] = {
- { 0, "usage: trust extract --format=<output> <destination>" },
- { opt_filter,
- "filter of what to export\n"
- " ca-anchors certificate anchors (default)\n"
- " blacklist blacklisted certificates\n"
- " trust-policy anchors and blacklist\n"
- " certificates all certificates\n"
- " pkcs11:object=xx a PKCS#11 URI",
- "what",
- },
- { opt_format,
- "format to extract to\n"
- " x509-file DER X.509 certificate file\n"
- " x509-directory directory of X.509 certificates\n"
- " pem-bundle file containing multiple PEM blocks\n"
- " pem-directory directory of PEM files\n"
- " pem-directory-hash directory of PEM files with hash links\n"
- " openssl-bundle OpenSSL specific PEM bundle\n"
- " openssl-directory directory of OpenSSL specific files\n"
- " java-cacerts java keystore cacerts file",
- "type"
- },
- { opt_purpose,
- "limit to certificates usable for the purpose\n"
- " server-auth for authenticating servers\n"
- " client-auth for authenticating clients\n"
- " email for email protection\n"
- " code-signing for authenticating signed code\n"
- " 1.2.3.4.5... an arbitrary object id",
- "usage"
- },
- { opt_overwrite, "overwrite output file or directory" },
- { opt_comment, "add comments to bundles if possible" },
- { opt_verbose, "show verbose debug output", },
- { opt_quiet, "suppress command output", },
- { 0 },
- };
-
- p11_enumerate_init (&ex);
-
- while ((opt = p11_tool_getopt (argc, argv, options)) != -1) {
- switch (opt) {
- case opt_verbose:
- case opt_quiet:
- break;
-
- case opt_overwrite:
- ex.flags |= P11_SAVE_OVERWRITE;
- break;
- case opt_comment:
- ex.flags |= P11_EXTRACT_COMMENT;
- break;
- case opt_filter:
- if (!p11_enumerate_opt_filter (&ex, optarg))
- exit (2);
- break;
- case opt_purpose:
- if (!p11_enumerate_opt_purpose (&ex, optarg))
- exit (2);
- break;
- case opt_format:
- if (!format_argument (optarg, &format))
- exit (2);
- break;
- case 'h':
- p11_tool_usage (usages, options);
- exit (0);
- case '?':
- exit (2);
- default:
- assert_not_reached ();
- break;
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc != 1) {
- p11_message ("specify one destination file or directory");
- exit (2);
- }
-
- if (!format) {
- p11_message ("no output format specified");
- exit (2);
- }
-
- if (!validate_filter_and_format (&ex, format))
- exit (1);
-
- if (!p11_enumerate_ready (&ex, "ca-anchors"))
- exit (1);
-
- ret = (format) (&ex, argv[0]) ? 0 : 1;
-
- p11_enumerate_cleanup (&ex);
- return ret;
-}
-
-int
-p11_trust_extract_compat (int argc,
- char *argv[])
-{
- char *path = NULL;
- int error;
-
- argv[argc] = NULL;
-
- /*
- * For compatibility with people who deployed p11-kit 0.18.x
- * before trust stuff was put into its own branch.
- */
- path = p11_path_build (PRIVATEDIR, "p11-kit-extract-trust", NULL);
- return_val_if_fail (path != NULL, 1);
- execv (path, argv);
- error = errno;
-
- if (error == ENOENT) {
- free (path);
- path = p11_path_build (PRIVATEDIR, "trust-extract-compat", NULL);
- return_val_if_fail (path != NULL, 1);
- execv (path, argv);
- error = errno;
- }
-
- /* At this point we have no command */
- p11_message_err (error, "could not run %s command", path);
-
- free (path);
- return 2;
-}
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