--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/tsrc/BC/libcrypto/topenssl/src/verify.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,373 @@
+/* apps/verify.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#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>
+
+#undef PROG
+#define PROG	verify_main
+
+static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
+static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e);
+static STACK_OF(X509) *load_untrusted(char *file);
+static int v_verbose=0, vflags = 0;
+
+
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+	{
+	ENGINE *e = NULL;
+	int i,ret=1, badarg = 0;
+	int purpose = -1;
+	char *CApath=NULL,*CAfile=NULL;
+	char *untfile = NULL, *trustfile = NULL;
+	STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
+	X509_STORE *cert_ctx=NULL;
+	X509_LOOKUP *lookup=NULL;
+	X509_VERIFY_PARAM *vpm = NULL;
+#ifndef OPENSSL_NO_ENGINE
+	char *engine=NULL;
+#endif
+
+	cert_ctx=X509_STORE_new();
+	if (cert_ctx == NULL) goto end;
+	X509_STORE_set_verify_cb_func(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);
+				}
+#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) {
+		if(!(untrusted = load_untrusted(untfile))) {
+			BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+	}
+
+	if(trustfile) {
+		if(!(trusted = load_untrusted(trustfile))) {
+			BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile);
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+	}
+
+	if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose, e);
+	else
+		for (i=0; i<argc; i++)
+			check(cert_ctx,argv[i], untrusted, trusted, purpose, e);
+	ret=0;
+end:
+	if (ret == 1) {
+		BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
+#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));
+		}
+	}
+	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);
+	apps_shutdown();
+	OPENSSL_EXIT(ret);
+	}
+
+static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, 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(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
+	i=X509_verify_cert(csc);
+	X509_STORE_CTX_free(csc);
+
+	ret=0;
+end:
+	if (i)
+		{
+		fprintf(stdout,"OK\n");
+  	ret=1;
+		}
+	else
+		ERR_print_errors(bio_err);
+	if (x != NULL) X509_free(x);
+
+	return(ret);
+	}
+
+static STACK_OF(X509) *load_untrusted(char *certfile)
+{
+	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)
+		{
+		if (ctx->current_cert)
+			{
+			X509_NAME_oneline(
+				X509_get_subject_name(ctx->current_cert),buf,
+				sizeof buf);
+			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_INVALID_NON_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 (ctx->error == X509_V_ERR_CRL_HAS_EXPIRED) ok=1;
+		if (ctx->error == X509_V_ERR_CRL_NOT_YET_VALID) ok=1;
+		if (ctx->error == X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION) ok=1;
+
+		if (ctx->error == X509_V_ERR_NO_EXPLICIT_POLICY)
+			policies_print(NULL, ctx);
+		return ok;
+
+		}
+	if ((ctx->error == X509_V_OK) && (ok == 2))
+		policies_print(NULL, ctx);
+	if (!v_verbose)
+		ERR_clear_error();
+	return(ok);
+	}
+