- STACK_OF(X509_INFO) *sk=NULL;
- STACK_OF(X509) *stack=NULL, *ret=NULL;
- BIO *in=NULL;
- X509_INFO *xi;
-
- if(!(stack = sk_X509_new_null())) {
- BIO_printf(bio_err,"memory allocation failure\n");
- goto end;
- }
-
- if(!(in=BIO_new_file(certfile, "r"))) {
- BIO_printf(bio_err,"error opening the file, %s\n",certfile);
- goto end;
- }
-
- /* This loads from a file, a stack of x509/crl/pkey sets */
- if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
- BIO_printf(bio_err,"error reading the file, %s\n",certfile);
- goto end;
- }
-
- /* scan over it and pull out the certs */
- while (sk_X509_INFO_num(sk))
- {
- xi=sk_X509_INFO_shift(sk);
- if (xi->x509 != NULL)
- {
- sk_X509_push(stack,xi->x509);
- xi->x509=NULL;
- }
- X509_INFO_free(xi);
- }
- if(!sk_X509_num(stack)) {
- BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
- sk_X509_free(stack);
- goto end;
- }
- ret=stack;
-end:
- BIO_free(in);
- sk_X509_INFO_free(sk);
- return(ret);
- }
-
-static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
- {
- char buf[256];
-
- if (!ok)
- {
- X509_NAME_oneline(
- X509_get_subject_name(ctx->current_cert),buf,256);
- printf("%s\n",buf);
- printf("error %d at %d depth lookup:%s\n",ctx->error,
- ctx->error_depth,
- X509_verify_cert_error_string(ctx->error));
- if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
- /* since we are just checking the certificates, it is
- * ok if they are self signed. But we should still warn
- * the user.
- */
- if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
- /* Continue after extension errors too */
- if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
- if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
- if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
- if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
- }
- if (!v_verbose)
- ERR_clear_error();
- return(ok);
- }
+ 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, show_chain = 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 end;
+ CApath = *(++argv);
+ } else if (strcmp(*argv, "-CAfile") == 0) {
+ if (argc-- < 1)
+ goto end;
+ CAfile = *(++argv);
+ } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
+ if (badarg)
+ goto end;
+ continue;
+ } else if (strcmp(*argv, "-untrusted") == 0) {
+ if (argc-- < 1)
+ goto end;
+ untfile = *(++argv);
+ } else if (strcmp(*argv, "-trusted") == 0) {
+ if (argc-- < 1)
+ goto end;
+ trustfile = *(++argv);
+ } else if (strcmp(*argv, "-CRLfile") == 0) {
+ if (argc-- < 1)
+ goto end;
+ crlfile = *(++argv);
+ } else if (strcmp(*argv, "-crl_download") == 0)
+ crl_download = 1;
+ else if (strcmp(*argv, "-show_chain") == 0)
+ show_chain = 1;
+#ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto end;
+ engine = *(++argv);
+ }
+#endif
+ else if (strcmp(*argv, "-help") == 0)
+ goto end;
+ else if (strcmp(*argv, "-verbose") == 0)
+ v_verbose = 1;
+ else if (argv[0][0] == '-')
+ goto end;
+ 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;
+ }
+
+ if (crl_download)
+ store_setup_crl_download(cert_ctx);
+
+ ret = 0;
+ if (argc < 1) {
+ if (1 !=
+ check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain))
+ ret = -1;
+ } else {
+ for (i = 0; i < argc; i++)
+ if (1 !=
+ check(cert_ctx, argv[i], untrusted, trusted, crls, e,
+ show_chain))
+ ret = -1;
+ }
+
+ end:
+ if (ret == 1) {
+ BIO_printf(bio_err,
+ "usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check] [-no_alt_chains]");
+#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));
+ }
+
+ BIO_printf(bio_err, "recognized verify names:\n");
+ for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
+ const X509_VERIFY_PARAM *vptmp;
+ vptmp = X509_VERIFY_PARAM_get0(i);
+ BIO_printf(bio_err, "\t%-10s\n",
+ X509_VERIFY_PARAM_get0_name(vptmp));
+ }
+
+ }
+ 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, int show_chain)
+{
+ X509 *x = NULL;
+ int i = 0, ret = 0;
+ X509_STORE_CTX *csc;
+ STACK_OF(X509) *chain = NULL;
+
+ 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);
+ if (i > 0 && show_chain)
+ chain = X509_STORE_CTX_get1_chain(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 (chain) {
+ printf("Chain:\n");
+ for (i = 0; i < sk_X509_num(chain); i++) {
+ X509 *cert = sk_X509_value(chain, i);
+ printf("depth=%d: ", i);
+ X509_NAME_print_ex_fp(stdout,
+ X509_get_subject_name(cert),
+ 0, XN_FLAG_ONELINE);
+ printf("\n");
+ }
+ sk_X509_pop_free(chain, X509_free);
+ }
+ if (x != NULL)
+ X509_free(x);
+
+ return (ret);
+}
+
+static int cb(int ok, X509_STORE_CTX *ctx)
+{
+ int cert_error = X509_STORE_CTX_get_error(ctx);
+ X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
+
+ if (!ok) {
+ if (current_cert) {
+ X509_NAME_print_ex_fp(stdout,
+ X509_get_subject_name(current_cert),
+ 0, XN_FLAG_ONELINE);
+ printf("\n");
+ }
+ printf("%serror %d at %d depth lookup:%s\n",
+ X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
+ cert_error,
+ X509_STORE_CTX_get_error_depth(ctx),
+ X509_verify_cert_error_string(cert_error));
+ switch (cert_error) {
+ case X509_V_ERR_NO_EXPLICIT_POLICY:
+ policies_print(NULL, ctx);
+ case X509_V_ERR_CERT_HAS_EXPIRED:
+
+ /*
+ * since we are just checking the certificates, it is ok if they
+ * are self signed. But we should still warn the user.
+ */
+
+ case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+ /* Continue after extension errors too */
+ case X509_V_ERR_INVALID_CA:
+ case X509_V_ERR_INVALID_NON_CA:
+ case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+ case X509_V_ERR_INVALID_PURPOSE:
+ case X509_V_ERR_CRL_HAS_EXPIRED:
+ case X509_V_ERR_CRL_NOT_YET_VALID:
+ case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
+ ok = 1;
+
+ }
+
+ return ok;