Restoring openssl s_server, pkey, pkeyparam, pkeyutl

This is only for the /system/bin/openssl test app which does not ship
by default. Instructions for running s_server for testing are added in
README.android.

Change-Id: I9c6032871f853c780e4c9ffef9b2dd8ad009f32b
diff --git a/apps/pkey.c b/apps/pkey.c
new file mode 100644
index 0000000..17e6702
--- /dev/null
+++ b/apps/pkey.c
@@ -0,0 +1,284 @@
+/* apps/pkey.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2006
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#include <stdio.h>
+#include <string.h>
+#include "apps.h"
+#include <openssl/pem.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+
+#define PROG pkey_main
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+	{
+	ENGINE *e = NULL;
+	char **args, *infile = NULL, *outfile = NULL;
+	char *passargin = NULL, *passargout = NULL;
+	BIO *in = NULL, *out = NULL;
+	const EVP_CIPHER *cipher = NULL;
+	int informat, outformat;
+	int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
+	EVP_PKEY *pkey=NULL;
+	char *passin = NULL, *passout = NULL;
+	int badarg = 0;
+#ifndef OPENSSL_NO_ENGINE
+	char *engine=NULL;
+#endif
+	int ret = 1;
+
+	if (bio_err == NULL)
+		bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
+
+	if (!load_config(bio_err, NULL))
+		goto end;
+
+	informat=FORMAT_PEM;
+	outformat=FORMAT_PEM;
+
+	ERR_load_crypto_strings();
+	OpenSSL_add_all_algorithms();
+	args = argv + 1;
+	while (!badarg && *args && *args[0] == '-')
+		{
+		if (!strcmp(*args,"-inform"))
+			{
+			if (args[1])
+				{
+				args++;
+				informat=str2fmt(*args);
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args,"-outform"))
+			{
+			if (args[1])
+				{
+				args++;
+				outformat=str2fmt(*args);
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp(*args,"-passin"))
+			{
+			if (!args[1]) goto bad;
+			passargin= *(++args);
+			}
+		else if (!strcmp(*args,"-passout"))
+			{
+			if (!args[1]) goto bad;
+			passargout= *(++args);
+			}
+#ifndef OPENSSL_NO_ENGINE
+		else if (strcmp(*args,"-engine") == 0)
+			{
+			if (!args[1]) goto bad;
+			engine= *(++args);
+			}
+#endif
+		else if (!strcmp (*args, "-in"))
+			{
+			if (args[1])
+				{
+				args++;
+				infile = *args;
+				}
+			else badarg = 1;
+			}
+		else if (!strcmp (*args, "-out"))
+			{
+			if (args[1])
+				{
+				args++;
+				outfile = *args;
+				}
+			else badarg = 1;
+			}
+		else if (strcmp(*args,"-pubin") == 0)
+			{
+			pubin=1;
+			pubout=1;
+			pubtext=1;
+			}
+		else if (strcmp(*args,"-pubout") == 0)
+			pubout=1;
+		else if (strcmp(*args,"-text_pub") == 0)
+			{
+			pubtext=1;
+			text=1;
+			}
+		else if (strcmp(*args,"-text") == 0)
+			text=1;
+		else if (strcmp(*args,"-noout") == 0)
+			noout=1;
+		else
+			{
+			cipher = EVP_get_cipherbyname(*args + 1);
+			if (!cipher)
+				{
+				BIO_printf(bio_err, "Unknown cipher %s\n",
+								*args + 1);
+				badarg = 1;
+				}
+			}
+		args++;
+		}
+
+	if (badarg)
+		{
+		bad:
+		BIO_printf(bio_err, "Usage pkey [options]\n");
+		BIO_printf(bio_err, "where options are\n");
+		BIO_printf(bio_err, "-in file        input file\n");
+		BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
+		BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
+		BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
+		BIO_printf(bio_err, "-out file       output file\n");
+		BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
+#ifndef OPENSSL_NO_ENGINE
+		BIO_printf(bio_err, "-engine e       use engine e, possibly a hardware device.\n");
+#endif
+		return 1;
+		}
+
+#ifndef OPENSSL_NO_ENGINE
+        e = setup_engine(bio_err, engine, 0);
+#endif
+
+	if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
+		{
+		BIO_printf(bio_err, "Error getting passwords\n");
+		goto end;
+		}
+
+	if (outfile)
+		{
+		if (!(out = BIO_new_file (outfile, "wb")))
+			{
+			BIO_printf(bio_err,
+				 "Can't open output file %s\n", outfile);
+			goto end;
+			}
+		}
+	else
+		{
+		out = BIO_new_fp (stdout, BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+			{
+			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+			out = BIO_push(tmpbio, out);
+			}
+#endif
+		}
+
+	if (pubin)
+		pkey = load_pubkey(bio_err, infile, informat, 1,
+			passin, e, "Public Key");
+	else
+		pkey = load_key(bio_err, infile, informat, 1,
+			passin, e, "key");
+	if (!pkey)
+		goto end;
+
+	if (!noout)
+		{
+		if (outformat == FORMAT_PEM) 
+			{
+			if (pubout)
+				PEM_write_bio_PUBKEY(out,pkey);
+			else
+				PEM_write_bio_PrivateKey(out, pkey, cipher,
+							NULL, 0, NULL, passout);
+			}
+		else if (outformat == FORMAT_ASN1)
+			{
+			if (pubout)
+				i2d_PUBKEY_bio(out, pkey);
+			else
+				i2d_PrivateKey_bio(out, pkey);
+			}
+		else
+			{
+			BIO_printf(bio_err, "Bad format specified for key\n");
+			goto end;
+			}
+
+		}
+
+	if (text)
+		{
+		if (pubtext)
+			EVP_PKEY_print_public(out, pkey, 0, NULL);
+		else
+			EVP_PKEY_print_private(out, pkey, 0, NULL);
+		}
+
+	ret = 0;
+
+	end:
+	EVP_PKEY_free(pkey);
+	BIO_free_all(out);
+	BIO_free(in);
+	if (passin)
+		OPENSSL_free(passin);
+	if (passout)
+		OPENSSL_free(passout);
+
+	return ret;
+	}