import of OpenSSL 0.9.8h

1 files changed, 15 insertions, 300 deletions

diff --git a/lib/libssl/src/crypto/x509v3/v3_ncons.c b/lib/libssl/src/crypto/x509v3/v3_ncons.c
index a01dc64dd22..42e7f5a8797 100644
--- a/lib/libssl/src/crypto/x509v3/v3_ncons.c
+++ b/lib/libssl/src/crypto/x509v3/v3_ncons.c
@@ -1,5 +1,5 @@
 /* v3_ncons.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  * project.
  */
 /* ====================================================================
@@ -63,22 +63,15 @@
 #include <openssl/conf.h>
 #include <openssl/x509v3.h>
 
-static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
-				  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
-static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, 
+static void *v2i_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method,
+				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
+static int i2r_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method, 
 				void *a, BIO *bp, int ind);
-static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
-				   STACK_OF(GENERAL_SUBTREE) *trees,
-				   BIO *bp, int ind, char *name);
+static int do_i2r_name_constraints(X509V3_EXT_METHOD *method,
+				STACK_OF(GENERAL_SUBTREE) *trees,
+					BIO *bp, int ind, char *name);
 static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);
 
-static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);
-static int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen);
-static int nc_dn(X509_NAME *sub, X509_NAME *nm);
-static int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns);
-static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml);
-static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base);
-
 const X509V3_EXT_METHOD v3_name_constraints = {
 	NID_name_constraints, 0,
 	ASN1_ITEM_ref(NAME_CONSTRAINTS),
@@ -106,8 +99,8 @@ ASN1_SEQUENCE(NAME_CONSTRAINTS) = {
 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE)
 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS)
 
-static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
-				  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
+static void *v2i_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method,
+				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 	{
 	int i;
 	CONF_VALUE tval, *val;
@@ -162,8 +155,8 @@ static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
 
 	
 
-static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
-				BIO *bp, int ind)
+static int i2r_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method,
+				void *a, BIO *bp, int ind)
 	{
 	NAME_CONSTRAINTS *ncons = a;
 	do_i2r_name_constraints(method, ncons->permittedSubtrees,
@@ -173,9 +166,9 @@ static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
 	return 1;
 	}
 
-static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
-				   STACK_OF(GENERAL_SUBTREE) *trees,
-				   BIO *bp, int ind, char *name)
+static int do_i2r_name_constraints(X509V3_EXT_METHOD *method,
+				STACK_OF(GENERAL_SUBTREE) *trees,
+					BIO *bp, int ind, char *name)
 	{
 	GENERAL_SUBTREE *tree;
 	int i;
@@ -189,6 +182,7 @@ static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
 			print_nc_ipadd(bp, tree->base->d.ip);
 		else
 			GENERAL_NAME_print(bp, tree->base);
+		tree = sk_GENERAL_SUBTREE_value(trees, i);
 		BIO_puts(bp, "\n");
 		}
 	return 1;
@@ -224,282 +218,3 @@ static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip)
 	return 1;
 	}
 
-/* Check a certificate conforms to a specified set of constraints.
- * Return values:
- *  X509_V_OK: All constraints obeyed.
- *  X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation.
- *  X509_V_ERR_EXCLUDED_VIOLATION: Excluded subtree violation.
- *  X509_V_ERR_SUBTREE_MINMAX: Min or max values present and matching type.
- *  X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:  Unsupported constraint type.
- *  X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax.
- *  X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name
-
- */
-
-int NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc)
-	{
-	int r, i;
-	X509_NAME *nm;
-
-	nm = X509_get_subject_name(x);
-
-	if (X509_NAME_entry_count(nm) > 0)
-		{
-		GENERAL_NAME gntmp;
-		gntmp.type = GEN_DIRNAME;
-		gntmp.d.directoryName = nm;
-
-		r = nc_match(&gntmp, nc);
-
-		if (r != X509_V_OK)
-			return r;
-
-		gntmp.type = GEN_EMAIL;
-
-
-		/* Process any email address attributes in subject name */
-
-		for (i = -1;;)
-			{
-			X509_NAME_ENTRY *ne;
-			i = X509_NAME_get_index_by_NID(nm,
-						       NID_pkcs9_emailAddress,
-						       i);
-			if (i == -1)
-				break;
-			ne = X509_NAME_get_entry(nm, i);
-			gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne);
-			if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING)
-				return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
-
-			r = nc_match(&gntmp, nc);
-
-			if (r != X509_V_OK)
-				return r;
-			}
-		
-		}
-
-	for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++)
-		{
-		GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i);
-		r = nc_match(gen, nc);
-		if (r != X509_V_OK)
-			return r;
-		}
-
-	return X509_V_OK;
-
-	}
-
-static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc)
-	{
-	GENERAL_SUBTREE *sub;
-	int i, r, match = 0;
-
-	/* Permitted subtrees: if any subtrees exist of matching the type
-	 * at least one subtree must match.
-	 */
-
-	for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++)
-		{
-		sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);
-		if (gen->type != sub->base->type)
-			continue;
-		if (sub->minimum || sub->maximum)
-			return X509_V_ERR_SUBTREE_MINMAX;
-		/* If we already have a match don't bother trying any more */
-		if (match == 2)
-			continue;
-		if (match == 0)
-			match = 1;
-		r = nc_match_single(gen, sub->base);
-		if (r == X509_V_OK)
-			match = 2;
-		else if (r != X509_V_ERR_PERMITTED_VIOLATION)
-			return r;
-		}
-
-	if (match == 1)
-		return X509_V_ERR_PERMITTED_VIOLATION;
-
-	/* Excluded subtrees: must not match any of these */
-
-	for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++)
-		{
-		sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);
-		if (gen->type != sub->base->type)
-			continue;
-		if (sub->minimum || sub->maximum)
-			return X509_V_ERR_SUBTREE_MINMAX;
-
-		r = nc_match_single(gen, sub->base);
-		if (r == X509_V_OK)
-			return X509_V_ERR_EXCLUDED_VIOLATION;
-		else if (r != X509_V_ERR_PERMITTED_VIOLATION)
-			return r;
-
-		}
-
-	return X509_V_OK;
-
-	}
-
-static int nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base)
-	{
-	switch(base->type)
-		{
-		case GEN_DIRNAME:
-		return nc_dn(gen->d.directoryName, base->d.directoryName);
-
-		case GEN_DNS:
-		return nc_dns(gen->d.dNSName, base->d.dNSName);
-
-		case GEN_EMAIL:
-		return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
-
-		case GEN_URI:
-		return nc_uri(gen->d.uniformResourceIdentifier,
-					base->d.uniformResourceIdentifier);
-
-		default:
-		return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
-		}
-
-	}
-
-/* directoryName name constraint matching.
- * The canonical encoding of X509_NAME makes this comparison easy. It is
- * matched if the subtree is a subset of the name.
- */
-
-static int nc_dn(X509_NAME *nm, X509_NAME *base)
-	{
-	/* Ensure canonical encodings are up to date.  */
-	if (nm->modified && i2d_X509_NAME(nm, NULL) < 0)
-		return X509_V_ERR_OUT_OF_MEM;
-	if (base->modified && i2d_X509_NAME(base, NULL) < 0)
-		return X509_V_ERR_OUT_OF_MEM;
-	if (base->canon_enclen > nm->canon_enclen)
-		return X509_V_ERR_PERMITTED_VIOLATION;
-	if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen))
-		return X509_V_ERR_PERMITTED_VIOLATION;
-	return X509_V_OK;
-	}
-
-static int nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base)
-	{
-	char *baseptr = (char *)base->data;
-	char *dnsptr = (char *)dns->data;
-	/* Empty matches everything */
-	if (!*baseptr)
-		return X509_V_OK;
-	/* Otherwise can add zero or more components on the left so
-	 * compare RHS and if dns is longer and expect '.' as preceding
-	 * character.
-	 */
-	if (dns->length > base->length)
-		{
-		dnsptr += dns->length - base->length;
-		if (dnsptr[-1] != '.')
-			return X509_V_ERR_PERMITTED_VIOLATION;
-		}
-
-	if (strcasecmp(baseptr, dnsptr))
-			return X509_V_ERR_PERMITTED_VIOLATION;
-
-	return X509_V_OK;
-
-	}
-
-static int nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base)
-	{
-	const char *baseptr = (char *)base->data;
-	const char *emlptr = (char *)eml->data;
-
-	const char *baseat = strchr(baseptr, '@');
-	const char *emlat = strchr(emlptr, '@');
-	if (!emlat)
-		return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
-	/* Special case: inital '.' is RHS match */
-	if (!baseat && (*baseptr == '.'))
-		{
-		if (eml->length > base->length)
-			{
-			emlptr += eml->length - base->length;
-			if (!strcasecmp(baseptr, emlptr))
-				return X509_V_OK;
-			}
-		return X509_V_ERR_PERMITTED_VIOLATION;
-		}
-
-	/* If we have anything before '@' match local part */
-
-	if (baseat)
-		{
-		if (baseat != baseptr)
-			{
-			if ((baseat - baseptr) != (emlat - emlptr))
-				return X509_V_ERR_PERMITTED_VIOLATION;
-			/* Case sensitive match of local part */
-			if (strncmp(baseptr, emlptr, emlat - emlptr))
-				return X509_V_ERR_PERMITTED_VIOLATION;
-			}
-		/* Position base after '@' */
-		baseptr = baseat + 1;
-		}
-	emlptr = emlat + 1;
-	/* Just have hostname left to match: case insensitive */
-	if (strcasecmp(baseptr, emlptr))
-		return X509_V_ERR_PERMITTED_VIOLATION;
-
-	return X509_V_OK;
-
-	}
-
-static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base)
-	{
-	const char *baseptr = (char *)base->data;
-	const char *hostptr = (char *)uri->data;
-	const char *p = strchr(hostptr, ':');
-	int hostlen;
-	/* Check for foo:// and skip past it */
-	if (!p || (p[1] != '/') || (p[2] != '/'))
-		return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
-	hostptr = p + 3;
-
-	/* Determine length of hostname part of URI */
-
-	/* Look for a port indicator as end of hostname first */
-
-	p = strchr(hostptr, ':');
-	/* Otherwise look for trailing slash */
-	if (!p)
-		p = strchr(hostptr, '/');
-
-	if (!p)
-		hostlen = strlen(hostptr);
-	else
-		hostlen = p - hostptr;
-
-	if (hostlen == 0)
-		return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
-
-	/* Special case: inital '.' is RHS match */
-	if (*baseptr == '.')
-		{
-		if (hostlen > base->length)
-			{
-			p = hostptr + hostlen - base->length;
-			if (!strncasecmp(p, baseptr, base->length))
-				return X509_V_OK;
-			}
-		return X509_V_ERR_PERMITTED_VIOLATION;
-		}
-
-	if ((base->length != (int)hostlen) || strncasecmp(hostptr, baseptr, hostlen))
-		return X509_V_ERR_PERMITTED_VIOLATION;
-
-	return X509_V_OK;
-
-	}