Add new 'spkac' utility and several SPKAC utility functions.

4 files changed, 262 insertions, 25 deletions

diff --git a/apps/Makefile.ssl b/apps/Makefile.ssl
index 8363ec9018..bd8a825c63 100644
--- a/apps/Makefile.ssl
+++ b/apps/Makefile.ssl
@@ -37,7 +37,7 @@ E_EXE=	verify asn1pars req dgst dh enc gendh errstr ca crl \
 	rsa dsa dsaparam \
 	x509 genrsa gendsa s_server s_client speed \
 	s_time version pkcs7 crl2pkcs7 sess_id ciphers nseq pkcs12 \
-	pkcs8
+	pkcs8 spkac
 
 PROGS= $(PROGRAM).c
 
@@ -51,7 +51,7 @@ E_OBJ=	verify.o asn1pars.o req.o dgst.o dh.o enc.o gendh.o errstr.o ca.o \
 	rsa.o dsa.o dsaparam.o \
 	x509.o genrsa.o gendsa.o s_server.o s_client.o speed.o \
 	s_time.o $(A_OBJ) $(S_OBJ) version.o sess_id.o \
-	ciphers.o nseq.o pkcs12.o pkcs8.o
+	ciphers.o nseq.o pkcs12.o pkcs8.o spkac.o
 
 #	pem_mail.o
 
@@ -60,7 +60,7 @@ E_SRC=	verify.c asn1pars.c req.c dgst.c dh.c enc.c gendh.c errstr.c ca.c \
 	rsa.c dsa.c dsaparam.c \
 	x509.c genrsa.c gendsa.c s_server.c s_client.c speed.c \
 	s_time.c $(A_SRC) $(S_SRC) version.c sess_id.c \
-	ciphers.c nseq.c pkcs12.c pkcs8.c
+	ciphers.c nseq.c pkcs12.c pkcs8.c spkac.o
 
 #	pem_mail.c
 
diff --git a/apps/ca.c b/apps/ca.c
index e1eb275d40..42dc420045 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -1941,7 +1941,6 @@ static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
 	X509_REQ *req=NULL;
 	CONF_VALUE *cv=NULL;
 	NETSCAPE_SPKI *spki = NULL;
-	unsigned char *spki_der = NULL,*p;
 	X509_REQ_INFO *ri;
 	char *type,*buf;
 	EVP_PKEY *pktmp=NULL;
@@ -2013,25 +2012,7 @@ static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
 			{
 			if (strcmp(type, "SPKAC") == 0)
 				{
-				spki_der=(unsigned char *)Malloc(
-					strlen(cv->value)+1);
-				if (spki_der == NULL)
-					{
-					BIO_printf(bio_err,"Malloc failure\n");
-					goto err;
-					}
-				j = EVP_DecodeBlock(spki_der, (unsigned char *)cv->value,
-					strlen(cv->value));
-				if (j <= 0)
-					{
-					BIO_printf(bio_err, "Can't b64 decode SPKAC structure\n");
-					goto err;
-					}
-
-				p=spki_der;
-				spki = d2i_NETSCAPE_SPKI(&spki, &p, j);
-				Free(spki_der);
-				spki_der = NULL;
+				spki = NETSCAPE_SPKI_b64_decode(cv->value, -1);
 				if (spki == NULL)
 					{
 					BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
@@ -2071,7 +2052,7 @@ static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
 
 	BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
 
-	if ((pktmp=X509_PUBKEY_get(spki->spkac->pubkey)) == NULL)
+	if ((pktmp=NETSCAPE_SPKI_get_pubkey(spki)) == NULL)
 		{
 		BIO_printf(bio_err,"error unpacking SPKAC public key\n");
 		goto err;
@@ -2092,7 +2073,6 @@ static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
 err:
 	if (req != NULL) X509_REQ_free(req);
 	if (parms != NULL) CONF_free(parms);
-	if (spki_der != NULL) Free(spki_der);
 	if (spki != NULL) NETSCAPE_SPKI_free(spki);
 	if (ne != NULL) X509_NAME_ENTRY_free(ne);
 
diff --git a/apps/progs.h b/apps/progs.h
index df067182bc..47a4d6b83b 100644
--- a/apps/progs.h
+++ b/apps/progs.h
@@ -28,6 +28,7 @@ extern int ciphers_main(int argc,char *argv[]);
 extern int nseq_main(int argc,char *argv[]);
 extern int pkcs12_main(int argc,char *argv[]);
 extern int pkcs8_main(int argc,char *argv[]);
+extern int spkac_main(int argc,char *argv[]);
 
 #ifdef SSLEAY_SRC  /* Defined only in openssl.c. */
 
@@ -94,6 +95,7 @@ FUNCTION functions[] = {
 	{FUNC_TYPE_GENERAL,"pkcs12",pkcs12_main},
 #endif
 	{FUNC_TYPE_GENERAL,"pkcs8",pkcs8_main},
+	{FUNC_TYPE_GENERAL,"spkac",spkac_main},
 	{FUNC_TYPE_MD,"md2",dgst_main},
 	{FUNC_TYPE_MD,"md5",dgst_main},
 	{FUNC_TYPE_MD,"sha",dgst_main},
diff --git a/apps/spkac.c b/apps/spkac.c
new file mode 100644
index 0000000000..74bdae7af8
--- /dev/null
+++ b/apps/spkac.c
@@ -0,0 +1,255 @@
+/* apps/spkac.c */
+
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999. Based on an original idea by Massimiliano Pala
+ * (madwolf@openca.org).
+ */
+/* ====================================================================
+ * Copyright (c) 1999 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 <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "apps.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/rsa.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+#undef PROG
+#define PROG	spkac_main
+
+/* -in arg	- input file - default stdin
+ * -out arg	- output file - default stdout
+ */
+
+int MAIN(int argc, char **argv)
+	{
+	int i,badops=0, ret = 1;
+	BIO *in = NULL,*out = NULL, *key = NULL;
+	int verify=0,noout=0;
+	char *infile = NULL,*outfile = NULL,*prog;
+	char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL;
+	char *challenge = NULL, *keyfile = NULL;
+	LHASH *conf;
+	NETSCAPE_SPKI *spki = NULL;
+	EVP_PKEY *pkey = NULL;
+
+	apps_startup();
+
+	if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+
+	prog=argv[0];
+	argc--;
+	argv++;
+	while (argc >= 1)
+		{
+		if (strcmp(*argv,"-in") == 0)
+			{
+			if (--argc < 1) goto bad;
+			infile= *(++argv);
+			}
+		else if (strcmp(*argv,"-out") == 0)
+			{
+			if (--argc < 1) goto bad;
+			outfile= *(++argv);
+			}
+		else if (strcmp(*argv,"-key") == 0)
+			{
+			if (--argc < 1) goto bad;
+			keyfile= *(++argv);
+			}
+		else if (strcmp(*argv,"-challenge") == 0)
+			{
+			if (--argc < 1) goto bad;
+			challenge= *(++argv);
+			}
+		else if (strcmp(*argv,"-spkac") == 0)
+			{
+			if (--argc < 1) goto bad;
+			spkac= *(++argv);
+			}
+		else if (strcmp(*argv,"-spksect") == 0)
+			{
+			if (--argc < 1) goto bad;
+			spksect= *(++argv);
+			}
+		else if (strcmp(*argv,"-noout") == 0)
+			noout=1;
+		else if (strcmp(*argv,"-verify") == 0)
+			verify=1;
+		else badops = 1;
+		argc--;
+		argv++;
+		}
+
+	if (badops)
+		{
+bad:
+		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
+		BIO_printf(bio_err,"where options are\n");
+		BIO_printf(bio_err," -in arg       input file\n");
+		BIO_printf(bio_err," -out arg      output file\n");
+		BIO_printf(bio_err," -spkac arg    alternative SPKAC name\n");
+		BIO_printf(bio_err," -noout        don't print SPKAC\n");
+		BIO_printf(bio_err," -verify       verify SPKAC signature\n");
+		goto end;
+		}
+
+	ERR_load_crypto_strings();
+
+	if(keyfile) {
+		if(strcmp(keyfile, "-")) key = BIO_new_file(keyfile, "r");
+		else key = BIO_new_fp(stdin, BIO_NOCLOSE);
+		if(!key) {
+			BIO_printf(bio_err, "Error opening key file\n");
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+		pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, NULL);
+		if(!pkey) {
+			BIO_printf(bio_err, "Error reading private key\n");
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+		spki = NETSCAPE_SPKI_new();
+		if(challenge) ASN1_STRING_set(spki->spkac->challenge,
+						 challenge, strlen(challenge));
+		NETSCAPE_SPKI_set_pubkey(spki, pkey);
+		NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
+		spkstr = NETSCAPE_SPKI_b64_encode(spki);
+
+		if (outfile) out = BIO_new_file(outfile, "w");
+		else out = BIO_new_fp(stdout, BIO_NOCLOSE);
+
+		if(!out) {
+			BIO_printf(bio_err, "Error opening output file\n");
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+		BIO_printf(out, "SPKAC=%s\n", spkstr);
+		ret = 0;
+		goto end;
+	}
+
+	
+
+	if (infile) in = BIO_new_file(infile, "r");
+	else in = BIO_new_fp(stdin, BIO_NOCLOSE);
+
+	if(!in) {
+		BIO_printf(bio_err, "Error opening input file\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+
+	conf = CONF_load_bio(NULL, in, NULL);
+
+	if(!conf) {
+		BIO_printf(bio_err, "Error parsing config file\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+
+	spkstr = CONF_get_string(conf, spksect, spkac);
+		
+	if(!spkstr) {
+		BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac);
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+
+	spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
+	if(!spki) {
+		BIO_printf(bio_err, "Error loading SPKAC\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+
+	if (outfile) out = BIO_new_file(outfile, "w");
+	else out = BIO_new_fp(stdout, BIO_NOCLOSE);
+
+	if(!out) {
+		BIO_printf(bio_err, "Error opening output file\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+
+	if(!noout) NETSCAPE_SPKI_print(out, spki);
+	if(verify) {
+		EVP_PKEY *pktmp;
+		pktmp = NETSCAPE_SPKI_get_pubkey(spki);
+		i = NETSCAPE_SPKI_verify(spki, pktmp);
+		EVP_PKEY_free(pktmp);
+		if(i) BIO_printf(bio_err, "Signature OK\n");
+		else {
+			BIO_printf(bio_err, "Signature Failure\n");
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+	}
+
+	ret = 0;
+
+end:
+	NETSCAPE_SPKI_free(spki);
+	BIO_free(in);
+	BIO_free(out);
+	BIO_free(key);
+	EVP_PKEY_free(pkey);
+	if(spkstr) Free(spkstr);
+	EXIT(ret);
+	}