initial/final commitHEADmaster

1 files changed, 312 insertions, 0 deletions

diff --git a/openssl-1.1.0h/apps/verify.c b/openssl-1.1.0h/apps/verify.c
new file mode 100644
index 0000000..0925ee6
--- /dev/null
+++ b/openssl-1.1.0h/apps/verify.c
@@ -0,0 +1,312 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "apps.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/pem.h>
+
+static int cb(int ok, X509_STORE_CTX *ctx);
+static int check(X509_STORE *ctx, const char *file,
+                 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
+                 STACK_OF(X509_CRL) *crls, int show_chain);
+static int v_verbose = 0, vflags = 0;
+
+typedef enum OPTION_choice {
+    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+    OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE,
+    OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
+    OPT_V_ENUM,
+    OPT_VERBOSE
+} OPTION_CHOICE;
+
+OPTIONS verify_options[] = {
+    {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
+    {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+    {"help", OPT_HELP, '-', "Display this summary"},
+    {"verbose", OPT_VERBOSE, '-',
+        "Print extra information about the operations being performed."},
+    {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
+    {"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
+    {"no-CAfile", OPT_NOCAFILE, '-',
+     "Do not load the default certificates file"},
+    {"no-CApath", OPT_NOCAPATH, '-',
+     "Do not load certificates from the default certificates directory"},
+    {"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"},
+    {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
+    {"CRLfile", OPT_CRLFILE, '<',
+        "File containing one or more CRL's (in PEM format) to load"},
+    {"crl_download", OPT_CRL_DOWNLOAD, '-',
+        "Attempt to download CRL information for this certificate"},
+    {"show_chain", OPT_SHOW_CHAIN, '-',
+        "Display information about the certificate chain"},
+    OPT_V_OPTIONS,
+#ifndef OPENSSL_NO_ENGINE
+    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+    {NULL}
+};
+
+int verify_main(int argc, char **argv)
+{
+    ENGINE *e = NULL;
+    STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
+    STACK_OF(X509_CRL) *crls = NULL;
+    X509_STORE *store = NULL;
+    X509_VERIFY_PARAM *vpm = NULL;
+    const char *prog, *CApath = NULL, *CAfile = NULL;
+    int noCApath = 0, noCAfile = 0;
+    int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1;
+    OPTION_CHOICE o;
+
+    if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
+        goto end;
+
+    prog = opt_init(argc, argv, verify_options);
+    while ((o = opt_next()) != OPT_EOF) {
+        switch (o) {
+        case OPT_EOF:
+        case OPT_ERR:
+            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+            goto end;
+        case OPT_HELP:
+            opt_help(verify_options);
+            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));
+            }
+            ret = 0;
+            goto end;
+        case OPT_V_CASES:
+            if (!opt_verify(o, vpm))
+                goto end;
+            vpmtouched++;
+            break;
+        case OPT_CAPATH:
+            CApath = opt_arg();
+            break;
+        case OPT_CAFILE:
+            CAfile = opt_arg();
+            break;
+        case OPT_NOCAPATH:
+            noCApath = 1;
+            break;
+        case OPT_NOCAFILE:
+            noCAfile = 1;
+            break;
+        case OPT_UNTRUSTED:
+            /* Zero or more times */
+            if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL,
+                            "untrusted certificates"))
+                goto end;
+            break;
+        case OPT_TRUSTED:
+            /* Zero or more times */
+            noCAfile = 1;
+            noCApath = 1;
+            if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
+                            "trusted certificates"))
+                goto end;
+            break;
+        case OPT_CRLFILE:
+            /* Zero or more times */
+            if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
+                           "other CRLs"))
+                goto end;
+            break;
+        case OPT_CRL_DOWNLOAD:
+            crl_download = 1;
+            break;
+        case OPT_ENGINE:
+            if ((e = setup_engine(opt_arg(), 0)) == NULL) {
+                /* Failure message already displayed */
+                goto end;
+            }
+            break;
+        case OPT_SHOW_CHAIN:
+            show_chain = 1;
+            break;
+        case OPT_VERBOSE:
+            v_verbose = 1;
+            break;
+        }
+    }
+    argc = opt_num_rest();
+    argv = opt_rest();
+    if (trusted != NULL && (CAfile || CApath)) {
+        BIO_printf(bio_err,
+                   "%s: Cannot use -trusted with -CAfile or -CApath\n",
+                   prog);
+        goto end;
+    }
+
+    if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
+        goto end;
+    X509_STORE_set_verify_cb(store, cb);
+
+    if (vpmtouched)
+        X509_STORE_set1_param(store, vpm);
+
+    ERR_clear_error();
+
+    if (crl_download)
+        store_setup_crl_download(store);
+
+    ret = 0;
+    if (argc < 1) {
+        if (check(store, NULL, untrusted, trusted, crls, show_chain) != 1)
+            ret = -1;
+    } else {
+        for (i = 0; i < argc; i++)
+            if (check(store, argv[i], untrusted, trusted, crls,
+                      show_chain) != 1)
+                ret = -1;
+    }
+
+ end:
+    X509_VERIFY_PARAM_free(vpm);
+    X509_STORE_free(store);
+    sk_X509_pop_free(untrusted, X509_free);
+    sk_X509_pop_free(trusted, X509_free);
+    sk_X509_CRL_pop_free(crls, X509_CRL_free);
+    release_engine(e);
+    return (ret < 0 ? 2 : ret);
+}
+
+static int check(X509_STORE *ctx, const char *file,
+                 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
+                 STACK_OF(X509_CRL) *crls, int show_chain)
+{
+    X509 *x = NULL;
+    int i = 0, ret = 0;
+    X509_STORE_CTX *csc;
+    STACK_OF(X509) *chain = NULL;
+    int num_untrusted;
+
+    x = load_cert(file, FORMAT_PEM, "certificate file");
+    if (x == NULL)
+        goto end;
+
+    csc = X509_STORE_CTX_new();
+    if (csc == NULL) {
+        printf("error %s: X.509 store context allocation failed\n",
+               (file == NULL) ? "stdin" : file);
+        goto end;
+    }
+
+    X509_STORE_set_flags(ctx, vflags);
+    if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
+        printf("error %s: X.509 store context initialization failed\n",
+               (file == NULL) ? "stdin" : file);
+        goto end;
+    }
+    if (tchain)
+        X509_STORE_CTX_set0_trusted_stack(csc, tchain);
+    if (crls)
+        X509_STORE_CTX_set0_crls(csc, crls);
+    i = X509_verify_cert(csc);
+    if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) {
+        printf("%s: OK\n", (file == NULL) ? "stdin" : file);
+        ret = 1;
+        if (show_chain) {
+            int j;
+
+            chain = X509_STORE_CTX_get1_chain(csc);
+            num_untrusted = X509_STORE_CTX_get_num_untrusted(csc);
+            printf("Chain:\n");
+            for (j = 0; j < sk_X509_num(chain); j++) {
+                X509 *cert = sk_X509_value(chain, j);
+                printf("depth=%d: ", j);
+                X509_NAME_print_ex_fp(stdout,
+                                      X509_get_subject_name(cert),
+                                      0, XN_FLAG_ONELINE);
+                if (j < num_untrusted)
+                    printf(" (untrusted)");
+                printf("\n");
+            }
+            sk_X509_pop_free(chain, X509_free);
+        }
+    } else {
+        printf("error %s: verification failed\n", (file == NULL) ? "stdin" : file);
+    }
+    X509_STORE_CTX_free(csc);
+
+ end:
+    if (i <= 0)
+        ERR_print_errors(bio_err);
+    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(bio_err,
+                            X509_get_subject_name(current_cert),
+                            0, XN_FLAG_ONELINE);
+            BIO_printf(bio_err, "\n");
+        }
+        BIO_printf(bio_err, "%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(ctx);
+            /* fall thru */
+        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;
+
+    }
+    if (cert_error == X509_V_OK && ok == 2)
+        policies_print(ctx);
+    if (!v_verbose)
+        ERR_clear_error();
+    return (ok);
+}