+ ENGINE *e = NULL;
+ int i, ret = 1, badarg = 0;
+ char *CApath = NULL, *CAfile = NULL;
+ char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
+ STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
+ STACK_OF(X509_CRL) *crls = NULL;
+ X509_STORE *cert_ctx = NULL;
+ X509_LOOKUP *lookup = NULL;
+ X509_VERIFY_PARAM *vpm = NULL;
+ int crl_download = 0;
+#ifndef OPENSSL_NO_ENGINE
+ char *engine = NULL;
+#endif
+
+ cert_ctx = X509_STORE_new();
+ if (cert_ctx == NULL)
+ goto end;
+ X509_STORE_set_verify_cb(cert_ctx, cb);
+
+ ERR_load_crypto_strings();
+
+ apps_startup();
+
+ if (bio_err == NULL)
+ if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+ BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+
+ if (!load_config(bio_err, NULL))
+ goto end;
+
+ argc--;
+ argv++;
+ for (;;) {
+ if (argc >= 1) {
+ if (strcmp(*argv, "-CApath") == 0) {
+ if (argc-- < 1)
+ goto usage;
+ CApath = *(++argv);
+ } else if (strcmp(*argv, "-CAfile") == 0) {
+ if (argc-- < 1)
+ goto usage;
+ CAfile = *(++argv);
+ } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
+ if (badarg)
+ goto usage;
+ continue;
+ } else if (strcmp(*argv, "-untrusted") == 0) {
+ if (argc-- < 1)
+ goto usage;
+ untfile = *(++argv);
+ } else if (strcmp(*argv, "-trusted") == 0) {
+ if (argc-- < 1)
+ goto usage;
+ trustfile = *(++argv);
+ } else if (strcmp(*argv, "-CRLfile") == 0) {
+ if (argc-- < 1)
+ goto usage;
+ crlfile = *(++argv);
+ } else if (strcmp(*argv, "-crl_download") == 0)
+ crl_download = 1;
+#ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto usage;
+ engine = *(++argv);
+ }
+#endif
+ else if (strcmp(*argv, "-help") == 0)
+ goto usage;
+ else if (strcmp(*argv, "-verbose") == 0)
+ v_verbose = 1;
+ else if (argv[0][0] == '-')
+ goto usage;
+ else
+ break;
+ argc--;
+ argv++;
+ } else
+ break;
+ }
+
+#ifndef OPENSSL_NO_ENGINE
+ e = setup_engine(bio_err, engine, 0);
+#endif
+
+ if (vpm)
+ X509_STORE_set1_param(cert_ctx, vpm);
+
+ lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
+ if (lookup == NULL)
+ abort();
+ if (CAfile) {
+ i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
+ if (!i) {
+ BIO_printf(bio_err, "Error loading file %s\n", CAfile);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+ X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
+
+ lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
+ if (lookup == NULL)
+ abort();
+ if (CApath) {
+ i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
+ if (!i) {
+ BIO_printf(bio_err, "Error loading directory %s\n", CApath);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+ X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
+
+ ERR_clear_error();
+
+ if (untfile) {
+ untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
+ NULL, e, "untrusted certificates");
+ if (!untrusted)
+ goto end;
+ }
+
+ if (trustfile) {
+ trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
+ NULL, e, "trusted certificates");
+ if (!trusted)
+ goto end;
+ }
+
+ if (crlfile) {
+ crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs");
+ if (!crls)
+ goto end;
+ }
+
+ ret = 0;
+
+ if (crl_download)
+ store_setup_crl_download(cert_ctx);
+ if (argc < 1) {
+ if (1 != check(cert_ctx, NULL, untrusted, trusted, crls, e))
+ ret = -1;
+ } else {
+ for (i = 0; i < argc; i++)
+ if (1 != check(cert_ctx, argv[i], untrusted, trusted, crls, e))
+ ret = -1;
+ }
+
+ usage:
+ if (ret == 1) {
+ BIO_printf(bio_err,
+ "usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
+ BIO_printf(bio_err, " [-no_alt_chains] [-attime timestamp]");
+#ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err, " [-engine e]");
+#endif
+ BIO_printf(bio_err, " cert1 cert2 ...\n");
+
+ BIO_printf(bio_err, "recognized usages:\n");
+ for (i = 0; i < X509_PURPOSE_get_count(); i++) {
+ X509_PURPOSE *ptmp;
+ ptmp = X509_PURPOSE_get0(i);
+ BIO_printf(bio_err, "\t%-10s\t%s\n",
+ X509_PURPOSE_get0_sname(ptmp),
+ X509_PURPOSE_get0_name(ptmp));
+ }
+ }
+ end:
+ if (vpm)
+ X509_VERIFY_PARAM_free(vpm);
+ if (cert_ctx != NULL)
+ X509_STORE_free(cert_ctx);
+ sk_X509_pop_free(untrusted, X509_free);
+ sk_X509_pop_free(trusted, X509_free);
+ sk_X509_CRL_pop_free(crls, X509_CRL_free);
+ apps_shutdown();
+ OPENSSL_EXIT(ret < 0 ? 2 : ret);
+}
+
+static int check(X509_STORE *ctx, char *file,
+ STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
+ STACK_OF(X509_CRL) *crls, ENGINE *e)
+{
+ X509 *x = NULL;
+ int i = 0, ret = 0;
+ X509_STORE_CTX *csc;
+
+ x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
+ if (x == NULL)
+ goto end;
+ fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);
+
+ csc = X509_STORE_CTX_new();
+ if (csc == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ X509_STORE_set_flags(ctx, vflags);
+ if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (tchain)
+ X509_STORE_CTX_trusted_stack(csc, tchain);
+ if (crls)
+ X509_STORE_CTX_set0_crls(csc, crls);
+ i = X509_verify_cert(csc);
+ X509_STORE_CTX_free(csc);
+
+ ret = 0;
+ end:
+ if (i > 0) {
+ fprintf(stdout, "OK\n");
+ ret = 1;
+ } else
+ ERR_print_errors(bio_err);
+ if (x != NULL)
+ X509_free(x);
+
+ return (ret);
+}