From: Richard Levitte <levitte@openssl.org>
Date: Mon, 11 Apr 2005 15:03:37 +0000 (+0000)
Subject: Merge RFC3820 source into mainstream 0.9.7-stable.
X-Git-Tag: OpenSSL_0_9_7g~2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=93aeac64ce8f5b7b6bcb6432abf07146e5632f01;p=oweals%2Fopenssl.git

Merge RFC3820 source into mainstream 0.9.7-stable.
---

diff --git a/CHANGES b/CHANGES
index b4c019f121..227f508188 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,6 +15,12 @@
   *) Undo Cygwin change.
      [Ulf Möller]
 
+  *) Added support for proxy certificates according to RFC 3820.
+     Because they may be a security thread to unaware applications,
+     they must be explicitely allowed in run-time.  See
+     docs/HOWTO/proxy_certificates.txt for further information.
+     [Richard Levitte]
+
  Changes between 0.9.7e and 0.9.7f  [22 Mar 2005]
 
   *) Use (SSL_RANDOM_VALUE - 4) bytes of pseudo random data when generating
diff --git a/STATUS b/STATUS
index e849945dcd..467ca19714 100644
--- a/STATUS
+++ b/STATUS
@@ -1,6 +1,6 @@
 
   OpenSSL STATUS                           Last modified at
-  ______________                           $Date: 2005/03/22 18:17:22 $
+  ______________                           $Date: 2005/04/11 15:03:37 $
 
   DEVELOPMENT STATE
 
diff --git a/apps/openssl-vms.cnf b/apps/openssl-vms.cnf
index d8bc419de5..878467ce98 100644
--- a/apps/openssl-vms.cnf
+++ b/apps/openssl-vms.cnf
@@ -258,3 +258,56 @@ basicConstraints = CA:true
 
 # issuerAltName=issuer:copy
 authorityKeyIdentifier=keyid:always,issuer:always
+
+[ proxy_cert_ext ]
+# These extensions should be added when creating a proxy certificate
+
+# This goes against PKIX guidelines but some CAs do it and some software
+# requires this to avoid interpreting an end user certificate as a CA.
+
+basicConstraints=CA:FALSE
+
+# Here are some examples of the usage of nsCertType. If it is omitted
+# the certificate can be used for anything *except* object signing.
+
+# This is OK for an SSL server.
+# nsCertType			= server
+
+# For an object signing certificate this would be used.
+# nsCertType = objsign
+
+# For normal client use this is typical
+# nsCertType = client, email
+
+# and for everything including object signing:
+# nsCertType = client, email, objsign
+
+# This is typical in keyUsage for a client certificate.
+# keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+
+# This will be displayed in Netscape's comment listbox.
+nsComment			= "OpenSSL Generated Certificate"
+
+# PKIX recommendations harmless if included in all certificates.
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid,issuer:always
+
+# This stuff is for subjectAltName and issuerAltname.
+# Import the email address.
+# subjectAltName=email:copy
+# An alternative to produce certificates that aren't
+# deprecated according to PKIX.
+# subjectAltName=email:move
+
+# Copy subject details
+# issuerAltName=issuer:copy
+
+#nsCaRevocationUrl		= http://www.domain.dom/ca-crl.pem
+#nsBaseUrl
+#nsRevocationUrl
+#nsRenewalUrl
+#nsCaPolicyUrl
+#nsSslServerName
+
+# This really needs to be in place for it to be a proxy certificate.
+proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo
diff --git a/apps/openssl.cnf b/apps/openssl.cnf
index af688a4260..4c1d595b0a 100644
--- a/apps/openssl.cnf
+++ b/apps/openssl.cnf
@@ -258,3 +258,56 @@ basicConstraints = CA:true
 
 # issuerAltName=issuer:copy
 authorityKeyIdentifier=keyid:always,issuer:always
+
+[ proxy_cert_ext ]
+# These extensions should be added when creating a proxy certificate
+
+# This goes against PKIX guidelines but some CAs do it and some software
+# requires this to avoid interpreting an end user certificate as a CA.
+
+basicConstraints=CA:FALSE
+
+# Here are some examples of the usage of nsCertType. If it is omitted
+# the certificate can be used for anything *except* object signing.
+
+# This is OK for an SSL server.
+# nsCertType			= server
+
+# For an object signing certificate this would be used.
+# nsCertType = objsign
+
+# For normal client use this is typical
+# nsCertType = client, email
+
+# and for everything including object signing:
+# nsCertType = client, email, objsign
+
+# This is typical in keyUsage for a client certificate.
+# keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+
+# This will be displayed in Netscape's comment listbox.
+nsComment			= "OpenSSL Generated Certificate"
+
+# PKIX recommendations harmless if included in all certificates.
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid,issuer:always
+
+# This stuff is for subjectAltName and issuerAltname.
+# Import the email address.
+# subjectAltName=email:copy
+# An alternative to produce certificates that aren't
+# deprecated according to PKIX.
+# subjectAltName=email:move
+
+# Copy subject details
+# issuerAltName=issuer:copy
+
+#nsCaRevocationUrl		= http://www.domain.dom/ca-crl.pem
+#nsBaseUrl
+#nsRevocationUrl
+#nsRenewalUrl
+#nsCaPolicyUrl
+#nsSslServerName
+
+# This really needs to be in place for it to be a proxy certificate.
+proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo
diff --git a/crypto/crypto-lib.com b/crypto/crypto-lib.com
index 4d802fe69c..c044ce0099 100644
--- a/crypto/crypto-lib.com
+++ b/crypto/crypto-lib.com
@@ -247,7 +247,7 @@ $ LIB_X509 = "x509_def,x509_d2,x509_r2x,x509_cmp,"+ -
 $ LIB_X509V3 = "v3_bcons,v3_bitst,v3_conf,v3_extku,v3_ia5,v3_lib,"+ -
 	"v3_prn,v3_utl,v3err,v3_genn,v3_alt,v3_skey,v3_akey,v3_pku,"+ -
 	"v3_int,v3_enum,v3_sxnet,v3_cpols,v3_crld,v3_purp,v3_info,"+ -
-	"v3_ocsp,v3_akeya"
+	"v3_ocsp,v3_akeya,v3_pcia,v3_pci"
 $ LIB_CONF = "conf_err,conf_lib,conf_api,conf_def,conf_mod,conf_mall,conf_sap"
 $ LIB_TXT_DB = "txt_db"
 $ LIB_PKCS7 = "pk7_asn1,pk7_lib,pkcs7err,pk7_doit,pk7_smime,pk7_attr,"+ -
diff --git a/crypto/objects/obj_dat.h b/crypto/objects/obj_dat.h
index ae50a72b9a..8785127055 100644
--- a/crypto/objects/obj_dat.h
+++ b/crypto/objects/obj_dat.h
@@ -62,12 +62,12 @@
  * [including the GNU Public Licence.]
  */
 
-#define NUM_NID 662
-#define NUM_SN 655
-#define NUM_LN 655
-#define NUM_OBJ 619
+#define NUM_NID 668
+#define NUM_SN 660
+#define NUM_LN 660
+#define NUM_OBJ 624
 
-static unsigned char lvalues[4461]={
+static unsigned char lvalues[4500]={
 0x00,                                        /* [  0] OBJ_undef */
 0x2A,0x86,0x48,0x86,0xF7,0x0D,               /* [  1] OBJ_rsadsi */
 0x2A,0x86,0x48,0x86,0xF7,0x0D,0x01,          /* [  7] OBJ_pkcs */
@@ -687,6 +687,11 @@ static unsigned char lvalues[4461]={
 0x2B,0x06,0x01,0x04,0x01,0x82,0x37,0x14,0x02,0x03,/* [4444] OBJ_ms_upn */
 0x55,0x04,0x09,                              /* [4454] OBJ_streetAddress */
 0x55,0x04,0x11,                              /* [4457] OBJ_postalCode */
+0x2B,0x06,0x01,0x05,0x05,0x07,0x15,          /* [4460] OBJ_id_ppl */
+0x2B,0x06,0x01,0x05,0x05,0x07,0x01,0x0E,     /* [4467] OBJ_proxyCertInfo */
+0x2B,0x06,0x01,0x05,0x05,0x07,0x15,0x00,     /* [4475] OBJ_id_ppl_anyLanguage */
+0x2B,0x06,0x01,0x05,0x05,0x07,0x15,0x01,     /* [4483] OBJ_id_ppl_inheritAll */
+0x2B,0x06,0x01,0x05,0x05,0x07,0x15,0x02,     /* [4491] OBJ_Independent */
 };
 
 static ASN1_OBJECT nid_objs[NUM_NID]={
@@ -1742,6 +1747,15 @@ static ASN1_OBJECT nid_objs[NUM_NID]={
 {"DES-EDE3-CFB8","des-ede3-cfb8",NID_des_ede3_cfb8,0,NULL},
 {"streetAddress","streetAddress",NID_streetAddress,3,&(lvalues[4454]),0},
 {"postalCode","postalCode",NID_postalCode,3,&(lvalues[4457]),0},
+{"id-ppl","id-ppl",NID_id_ppl,7,&(lvalues[4460]),0},
+{"proxyCertInfo","Proxy Certificate Information",NID_proxyCertInfo,8,
+	&(lvalues[4467]),0},
+{"id-ppl-anyLanguage","Any language",NID_id_ppl_anyLanguage,8,
+	&(lvalues[4475]),0},
+{"id-ppl-inheritAll","Inherit all",NID_id_ppl_inheritAll,8,
+	&(lvalues[4483]),0},
+{NULL,NULL,NID_undef,0,NULL},
+{"id-ppl-independent","Independent",NID_Independent,8,&(lvalues[4491]),0},
 };
 
 static ASN1_OBJECT *sn_objs[NUM_SN]={
@@ -2046,6 +2060,10 @@ static ASN1_OBJECT *sn_objs[NUM_SN]={
 &(nid_objs[271]),/* "id-pkix1-explicit-93" */
 &(nid_objs[270]),/* "id-pkix1-implicit-88" */
 &(nid_objs[272]),/* "id-pkix1-implicit-93" */
+&(nid_objs[662]),/* "id-ppl" */
+&(nid_objs[664]),/* "id-ppl-anyLanguage" */
+&(nid_objs[667]),/* "id-ppl-independent" */
+&(nid_objs[665]),/* "id-ppl-inheritAll" */
 &(nid_objs[267]),/* "id-qcs" */
 &(nid_objs[359]),/* "id-qcs-pkixQCSyntax-v1" */
 &(nid_objs[259]),/* "id-qt" */
@@ -2221,6 +2239,7 @@ static ASN1_OBJECT *sn_objs[NUM_SN]={
 &(nid_objs[415]),/* "prime256v1" */
 &(nid_objs[385]),/* "private" */
 &(nid_objs[84]),/* "privateKeyUsagePeriod" */
+&(nid_objs[663]),/* "proxyCertInfo" */
 &(nid_objs[510]),/* "pseudonym" */
 &(nid_objs[435]),/* "pss" */
 &(nid_objs[286]),/* "qcStatements" */
@@ -2406,6 +2425,7 @@ static ASN1_OBJECT *ln_objs[NUM_LN]={
 &(nid_objs[363]),/* "AD Time Stamping" */
 &(nid_objs[405]),/* "ANSI X9.62" */
 &(nid_objs[368]),/* "Acceptable OCSP Responses" */
+&(nid_objs[664]),/* "Any language" */
 &(nid_objs[177]),/* "Authority Information Access" */
 &(nid_objs[365]),/* "Basic OCSP Response" */
 &(nid_objs[285]),/* "Biometric Info" */
@@ -2428,6 +2448,8 @@ static ASN1_OBJECT *ln_objs[NUM_LN]={
 &(nid_objs[296]),/* "IPSec User" */
 &(nid_objs[182]),/* "ISO Member Body" */
 &(nid_objs[183]),/* "ISO US Member Body" */
+&(nid_objs[667]),/* "Independent" */
+&(nid_objs[665]),/* "Inherit all" */
 &(nid_objs[142]),/* "Invalidity Date" */
 &(nid_objs[504]),/* "MIME MHS" */
 &(nid_objs[388]),/* "Mail" */
@@ -2468,6 +2490,7 @@ static ASN1_OBJECT *ln_objs[NUM_LN]={
 &(nid_objs[164]),/* "Policy Qualifier CPS" */
 &(nid_objs[165]),/* "Policy Qualifier User Notice" */
 &(nid_objs[385]),/* "Private" */
+&(nid_objs[663]),/* "Proxy Certificate Information" */
 &(nid_objs[ 1]),/* "RSA Data Security, Inc." */
 &(nid_objs[ 2]),/* "RSA Data Security, Inc. PKCS" */
 &(nid_objs[188]),/* "S/MIME" */
@@ -2704,6 +2727,7 @@ static ASN1_OBJECT *ln_objs[NUM_LN]={
 &(nid_objs[271]),/* "id-pkix1-explicit-93" */
 &(nid_objs[270]),/* "id-pkix1-implicit-88" */
 &(nid_objs[272]),/* "id-pkix1-implicit-93" */
+&(nid_objs[662]),/* "id-ppl" */
 &(nid_objs[267]),/* "id-qcs" */
 &(nid_objs[359]),/* "id-qcs-pkixQCSyntax-v1" */
 &(nid_objs[259]),/* "id-qt" */
@@ -3310,6 +3334,7 @@ static ASN1_OBJECT *obj_objs[NUM_OBJ]={
 &(nid_objs[266]),/* OBJ_id_aca                       1 3 6 1 5 5 7 10 */
 &(nid_objs[267]),/* OBJ_id_qcs                       1 3 6 1 5 5 7 11 */
 &(nid_objs[268]),/* OBJ_id_cct                       1 3 6 1 5 5 7 12 */
+&(nid_objs[662]),/* OBJ_id_ppl                       1 3 6 1 5 5 7 21 */
 &(nid_objs[176]),/* OBJ_id_ad                        1 3 6 1 5 5 7 48 */
 &(nid_objs[507]),/* OBJ_id_hex_partial_message       1 3 6 1 7 1 1 1 */
 &(nid_objs[508]),/* OBJ_id_hex_multipart_message     1 3 6 1 7 1 1 2 */
@@ -3363,6 +3388,7 @@ static ASN1_OBJECT *obj_objs[NUM_OBJ]={
 &(nid_objs[292]),/* OBJ_sbqp_routerIdentifier        1 3 6 1 5 5 7 1 9 */
 &(nid_objs[397]),/* OBJ_ac_proxying                  1 3 6 1 5 5 7 1 10 */
 &(nid_objs[398]),/* OBJ_sinfo_access                 1 3 6 1 5 5 7 1 11 */
+&(nid_objs[663]),/* OBJ_proxyCertInfo                1 3 6 1 5 5 7 1 14 */
 &(nid_objs[164]),/* OBJ_id_qt_cps                    1 3 6 1 5 5 7 2 1 */
 &(nid_objs[165]),/* OBJ_id_qt_unotice                1 3 6 1 5 5 7 2 2 */
 &(nid_objs[293]),/* OBJ_textNotice                   1 3 6 1 5 5 7 2 3 */
@@ -3433,6 +3459,9 @@ static ASN1_OBJECT *obj_objs[NUM_OBJ]={
 &(nid_objs[360]),/* OBJ_id_cct_crs                   1 3 6 1 5 5 7 12 1 */
 &(nid_objs[361]),/* OBJ_id_cct_PKIData               1 3 6 1 5 5 7 12 2 */
 &(nid_objs[362]),/* OBJ_id_cct_PKIResponse           1 3 6 1 5 5 7 12 3 */
+&(nid_objs[664]),/* OBJ_id_ppl_anyLanguage           1 3 6 1 5 5 7 21 0 */
+&(nid_objs[665]),/* OBJ_id_ppl_inheritAll            1 3 6 1 5 5 7 21 1 */
+&(nid_objs[667]),/* OBJ_Independent                  1 3 6 1 5 5 7 21 2 */
 &(nid_objs[178]),/* OBJ_ad_OCSP                      1 3 6 1 5 5 7 48 1 */
 &(nid_objs[179]),/* OBJ_ad_ca_issuers                1 3 6 1 5 5 7 48 2 */
 &(nid_objs[363]),/* OBJ_ad_timeStamping              1 3 6 1 5 5 7 48 3 */
diff --git a/crypto/objects/obj_mac.h b/crypto/objects/obj_mac.h
index b1a3c8a857..d28894cf41 100644
--- a/crypto/objects/obj_mac.h
+++ b/crypto/objects/obj_mac.h
@@ -950,6 +950,10 @@
 #define NID_id_cct		268
 #define OBJ_id_cct		OBJ_id_pkix,12L
 
+#define SN_id_ppl		"id-ppl"
+#define NID_id_ppl		662
+#define OBJ_id_ppl		OBJ_id_pkix,21L
+
 #define SN_id_ad		"id-ad"
 #define NID_id_ad		176
 #define OBJ_id_ad		OBJ_id_pkix,48L
@@ -1065,6 +1069,11 @@
 #define NID_sinfo_access		398
 #define OBJ_sinfo_access		OBJ_id_pe,11L
 
+#define SN_proxyCertInfo		"proxyCertInfo"
+#define LN_proxyCertInfo		"Proxy Certificate Information"
+#define NID_proxyCertInfo		663
+#define OBJ_proxyCertInfo		OBJ_id_pe,14L
+
 #define SN_id_qt_cps		"id-qt-cps"
 #define LN_id_qt_cps		"Policy Qualifier CPS"
 #define NID_id_qt_cps		164
@@ -1389,6 +1398,21 @@
 #define NID_id_cct_PKIResponse		362
 #define OBJ_id_cct_PKIResponse		OBJ_id_cct,3L
 
+#define SN_id_ppl_anyLanguage		"id-ppl-anyLanguage"
+#define LN_id_ppl_anyLanguage		"Any language"
+#define NID_id_ppl_anyLanguage		664
+#define OBJ_id_ppl_anyLanguage		OBJ_id_ppl,0L
+
+#define SN_id_ppl_inheritAll		"id-ppl-inheritAll"
+#define LN_id_ppl_inheritAll		"Inherit all"
+#define NID_id_ppl_inheritAll		665
+#define OBJ_id_ppl_inheritAll		OBJ_id_ppl,1L
+
+#define SN_Independent		"id-ppl-independent"
+#define LN_Independent		"Independent"
+#define NID_Independent		667
+#define OBJ_Independent		OBJ_id_ppl,2L
+
 #define SN_ad_OCSP		"OCSP"
 #define LN_ad_OCSP		"OCSP"
 #define NID_ad_OCSP		178
diff --git a/crypto/objects/obj_mac.num b/crypto/objects/obj_mac.num
index f808d96442..0e64a929ba 100644
--- a/crypto/objects/obj_mac.num
+++ b/crypto/objects/obj_mac.num
@@ -659,3 +659,9 @@ des_ede3_cfb1		658
 des_ede3_cfb8		659
 streetAddress		660
 postalCode		661
+id_ppl		662
+proxyCertInfo		663
+id_ppl_anyLanguage		664
+id_ppl_inheritAll		665
+id_ppl_independent		666
+Independent		667
diff --git a/crypto/objects/objects.txt b/crypto/objects/objects.txt
index 10d811c377..50e9031e61 100644
--- a/crypto/objects/objects.txt
+++ b/crypto/objects/objects.txt
@@ -312,6 +312,7 @@ id-pkix 9		: id-pda
 id-pkix 10		: id-aca
 id-pkix 11		: id-qcs
 id-pkix 12		: id-cct
+id-pkix 21		: id-ppl
 id-pkix 48		: id-ad
 
 # PKIX Modules
@@ -346,6 +347,7 @@ id-pe 9			: sbqp-routerIdentifier
 id-pe 10		: ac-proxying
 !Cname sinfo-access
 id-pe 11		: subjectInfoAccess	: Subject Information Access
+id-pe 14		: proxyCertInfo		: Proxy Certificate Information
 
 # PKIX policyQualifiers for Internet policy qualifiers
 id-qt 1			: id-qt-cps		: Policy Qualifier CPS
@@ -461,6 +463,11 @@ id-cct 1		: id-cct-crs
 id-cct 2		: id-cct-PKIData
 id-cct 3		: id-cct-PKIResponse
 
+# Predefined Proxy Certificate policy languages
+id-ppl 0		: id-ppl-anyLanguage	: Any language
+id-ppl 1		: id-ppl-inheritAll	: Inherit all
+id-ppl 2		: id-ppl-independent	: Independent
+
 # access descriptors for authority info access extension
 !Cname ad-OCSP
 id-ad 1			: OCSP			: OCSP
diff --git a/crypto/x509/x509_txt.c b/crypto/x509/x509_txt.c
index b8f5bc0cd7..f19e66a238 100644
--- a/crypto/x509/x509_txt.c
+++ b/crypto/x509/x509_txt.c
@@ -126,6 +126,10 @@ const char *X509_verify_cert_error_string(long n)
 		return ("invalid non-CA certificate (has CA markings)");
 	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
 		return ("path length constraint exceeded");
+	case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
+		return("proxy path length constraint exceeded");
+	case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
+		return("proxy cerificates not allowed, please set the appropriate flag");
 	case X509_V_ERR_INVALID_PURPOSE:
 		return ("unsupported certificate purpose");
 	case X509_V_ERR_CERT_UNTRUSTED:
@@ -142,19 +146,16 @@ const char *X509_verify_cert_error_string(long n)
 		return("authority and issuer serial number mismatch");
 	case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
 		return("key usage does not include certificate signing");
-
 	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
 		return("unable to get CRL issuer certificate");
-
 	case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
 		return("unhandled critical extension");
-
 	case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
 		return("key usage does not include CRL signing");
-
+	case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
+		return("key usage does not include digital signature");
 	case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
 		return("unhandled critical CRL extension");
-
 	default:
 		BIO_snprintf(buf,sizeof buf,"error number %ld",n);
 		return(buf);
diff --git a/crypto/x509/x509_vfy.c b/crypto/x509/x509_vfy.c
index e60055c342..e43c861ee7 100644
--- a/crypto/x509/x509_vfy.c
+++ b/crypto/x509/x509_vfy.c
@@ -379,6 +379,8 @@ static int check_chain_extensions(X509_STORE_CTX *ctx)
 	int i, ok=0, must_be_ca;
 	X509 *x;
 	int (*cb)();
+	int proxy_path_length = 0;
+	int allow_proxy_certs = !!(ctx->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);
 	cb=ctx->verify_cb;
 
 	/* must_be_ca can have 1 of 3 values:
@@ -390,6 +392,12 @@ static int check_chain_extensions(X509_STORE_CTX *ctx)
 	       all certificates in the chain except the leaf certificate.
 	*/
 	must_be_ca = -1;
+
+	/* A hack to keep people who don't want to modify their software
+	   happy */
+	if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))
+		allow_proxy_certs = 1;
+
 	/* Check all untrusted certificates */
 	for (i = 0; i < ctx->last_untrusted; i++)
 		{
@@ -404,6 +412,14 @@ static int check_chain_extensions(X509_STORE_CTX *ctx)
 			ok=cb(0,ctx);
 			if (!ok) goto end;
 			}
+		if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY))
+			{
+			ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;
+			ctx->error_depth = i;
+			ctx->current_cert = x;
+			ok=cb(0,ctx);
+			if (!ok) goto end;
+			}
 		ret = X509_check_ca(x);
 		switch(must_be_ca)
 			{
@@ -462,7 +478,7 @@ static int check_chain_extensions(X509_STORE_CTX *ctx)
 			}
 		/* Check pathlen */
 		if ((i > 1) && (x->ex_pathlen != -1)
-			   && (i > (x->ex_pathlen + 1)))
+			   && (i > (x->ex_pathlen + proxy_path_length + 1)))
 			{
 			ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;
 			ctx->error_depth = i;
@@ -470,8 +486,32 @@ static int check_chain_extensions(X509_STORE_CTX *ctx)
 			ok=cb(0,ctx);
 			if (!ok) goto end;
 			}
-		/* The next certificate must be a CA */
-		must_be_ca = 1;
+		/* If this certificate is a proxy certificate, the next
+		   certificate must be another proxy certificate or a EE
+		   certificate.  If not, the next certificate must be a
+		   CA certificate.  */
+		if (x->ex_flags & EXFLAG_PROXY)
+			{
+			PROXY_CERT_INFO_EXTENSION *pci =
+				X509_get_ext_d2i(x, NID_proxyCertInfo,
+					NULL, NULL);
+			if (pci->pcPathLengthConstraint &&
+				ASN1_INTEGER_get(pci->pcPathLengthConstraint)
+				< i)
+				{
+				PROXY_CERT_INFO_EXTENSION_free(pci);
+				ctx->error = X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;
+				ctx->error_depth = i;
+				ctx->current_cert = x;
+				ok=cb(0,ctx);
+				if (!ok) goto end;
+				}
+			PROXY_CERT_INFO_EXTENSION_free(pci);
+			proxy_path_length++;
+			must_be_ca = 0;
+			}
+		else
+			must_be_ca = 1;
 		}
 	ok = 1;
  end:
@@ -835,6 +875,7 @@ static int internal_verify(X509_STORE_CTX *ctx)
 			}
 
 		/* The last error (if any) is still in the error value */
+		ctx->current_issuer=xi;
 		ctx->current_cert=xs;
 		ok=(*cb)(1,ctx);
 		if (!ok) goto end;
diff --git a/crypto/x509/x509_vfy.h b/crypto/x509/x509_vfy.h
index cb725b64d8..7fd1f0bc4d 100644
--- a/crypto/x509/x509_vfy.h
+++ b/crypto/x509/x509_vfy.h
@@ -276,7 +276,7 @@ struct x509_store_ctx_st      /* X509_STORE_CTX */
 #define		X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY	6
 #define		X509_V_ERR_CERT_SIGNATURE_FAILURE		7
 #define		X509_V_ERR_CRL_SIGNATURE_FAILURE		8
-#define		X509_V_ERR_CERT_NOT_YET_VALID			9	
+#define		X509_V_ERR_CERT_NOT_YET_VALID			9
 #define		X509_V_ERR_CERT_HAS_EXPIRED			10
 #define		X509_V_ERR_CRL_NOT_YET_VALID			11
 #define		X509_V_ERR_CRL_HAS_EXPIRED			12
@@ -307,6 +307,9 @@ struct x509_store_ctx_st      /* X509_STORE_CTX */
 #define		X509_V_ERR_KEYUSAGE_NO_CRL_SIGN			35
 #define		X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION	36
 #define		X509_V_ERR_INVALID_NON_CA			37
+#define		X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED		38
+#define		X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE	39
+#define		X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED	40
 
 /* The application is not happy */
 #define		X509_V_ERR_APPLICATION_VERIFICATION		50
@@ -325,6 +328,8 @@ struct x509_store_ctx_st      /* X509_STORE_CTX */
 #define	X509_V_FLAG_IGNORE_CRITICAL		0x10
 /* Disable workarounds for broken certificates */
 #define	X509_V_FLAG_X509_STRICT			0x20
+/* Enable proxy certificate validation */
+#define	X509_V_FLAG_ALLOW_PROXY_CERTS		0x40
 
 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
 	     X509_NAME *name);
diff --git a/crypto/x509v3/Makefile b/crypto/x509v3/Makefile
index 5aeffc7948..ed2f91cbb3 100644
--- a/crypto/x509v3/Makefile
+++ b/crypto/x509v3/Makefile
@@ -25,11 +25,11 @@ LIB=$(TOP)/libcrypto.a
 LIBSRC=	v3_bcons.c v3_bitst.c v3_conf.c v3_extku.c v3_ia5.c v3_lib.c \
 v3_prn.c v3_utl.c v3err.c v3_genn.c v3_alt.c v3_skey.c v3_akey.c v3_pku.c \
 v3_int.c v3_enum.c v3_sxnet.c v3_cpols.c v3_crld.c v3_purp.c v3_info.c \
-v3_ocsp.c v3_akeya.c
+v3_ocsp.c v3_akeya.c v3_pcia.c v3_pci.c
 LIBOBJ= v3_bcons.o v3_bitst.o v3_conf.o v3_extku.o v3_ia5.o v3_lib.o \
 v3_prn.o v3_utl.o v3err.o v3_genn.o v3_alt.o v3_skey.o v3_akey.o v3_pku.o \
 v3_int.o v3_enum.o v3_sxnet.o v3_cpols.o v3_crld.o v3_purp.o v3_info.o \
-v3_ocsp.o v3_akeya.o
+v3_ocsp.o v3_akeya.o v3_pcia.o v3_pci.o
 
 SRC= $(LIBSRC)
 
@@ -444,6 +444,50 @@ v3_ocsp.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
 v3_ocsp.o: ../../include/openssl/ui_compat.h ../../include/openssl/x509.h
 v3_ocsp.o: ../../include/openssl/x509_vfy.h ../../include/openssl/x509v3.h
 v3_ocsp.o: ../cryptlib.h v3_ocsp.c
+v3_pci.o: ../../e_os.h ../../include/openssl/aes.h ../../include/openssl/asn1.h
+v3_pci.o: ../../include/openssl/bio.h ../../include/openssl/blowfish.h
+v3_pci.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
+v3_pci.o: ../../include/openssl/cast.h ../../include/openssl/conf.h
+v3_pci.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
+v3_pci.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
+v3_pci.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
+v3_pci.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+v3_pci.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
+v3_pci.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
+v3_pci.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
+v3_pci.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+v3_pci.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+v3_pci.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+v3_pci.o: ../../include/openssl/rc2.h ../../include/openssl/rc4.h
+v3_pci.o: ../../include/openssl/rc5.h ../../include/openssl/ripemd.h
+v3_pci.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+v3_pci.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+v3_pci.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
+v3_pci.o: ../../include/openssl/ui_compat.h ../../include/openssl/x509.h
+v3_pci.o: ../../include/openssl/x509_vfy.h ../../include/openssl/x509v3.h
+v3_pci.o: ../cryptlib.h v3_pci.c
+v3_pcia.o: ../../include/openssl/aes.h ../../include/openssl/asn1.h
+v3_pcia.o: ../../include/openssl/asn1t.h ../../include/openssl/bio.h
+v3_pcia.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
+v3_pcia.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
+v3_pcia.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
+v3_pcia.o: ../../include/openssl/des.h ../../include/openssl/des_old.h
+v3_pcia.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+v3_pcia.o: ../../include/openssl/e_os2.h ../../include/openssl/evp.h
+v3_pcia.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
+v3_pcia.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
+v3_pcia.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
+v3_pcia.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+v3_pcia.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+v3_pcia.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
+v3_pcia.o: ../../include/openssl/rc2.h ../../include/openssl/rc4.h
+v3_pcia.o: ../../include/openssl/rc5.h ../../include/openssl/ripemd.h
+v3_pcia.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+v3_pcia.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+v3_pcia.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
+v3_pcia.o: ../../include/openssl/ui_compat.h ../../include/openssl/x509.h
+v3_pcia.o: ../../include/openssl/x509_vfy.h ../../include/openssl/x509v3.h
+v3_pcia.o: v3_pcia.c
 v3_pku.o: ../../e_os.h ../../include/openssl/aes.h ../../include/openssl/asn1.h
 v3_pku.o: ../../include/openssl/asn1t.h ../../include/openssl/bio.h
 v3_pku.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
diff --git a/crypto/x509v3/ext_dat.h b/crypto/x509v3/ext_dat.h
index 6fa3178e6e..d8328ac468 100644
--- a/crypto/x509v3/ext_dat.h
+++ b/crypto/x509v3/ext_dat.h
@@ -64,7 +64,7 @@ extern X509V3_EXT_METHOD v3_crl_num, v3_crl_reason, v3_crl_invdate;
 extern X509V3_EXT_METHOD v3_delta_crl, v3_cpols, v3_crld;
 extern X509V3_EXT_METHOD v3_ocsp_nonce, v3_ocsp_accresp, v3_ocsp_acutoff;
 extern X509V3_EXT_METHOD v3_ocsp_crlid, v3_ocsp_nocheck, v3_ocsp_serviceloc;
-extern X509V3_EXT_METHOD v3_crl_hold;
+extern X509V3_EXT_METHOD v3_crl_hold, v3_pci;
 
 /* This table will be searched using OBJ_bsearch so it *must* kept in
  * order of the ext_nid values.
@@ -107,8 +107,9 @@ static X509V3_EXT_METHOD *standard_exts[] = {
 #endif
 &v3_sinfo,
 #ifndef OPENSSL_NO_OCSP
-&v3_crl_hold
+&v3_crl_hold,
 #endif
+&v3_pci,
 };
 
 /* Number of standard extensions */
diff --git a/crypto/x509v3/v3_purp.c b/crypto/x509v3/v3_purp.c
index 3e94f77c79..bbdf6da493 100644
--- a/crypto/x509v3/v3_purp.c
+++ b/crypto/x509v3/v3_purp.c
@@ -285,7 +285,8 @@ int X509_supported_extension(X509_EXTENSION *ex)
         	NID_key_usage,		/* 83 */
 		NID_subject_alt_name,	/* 85 */
 		NID_basic_constraints,	/* 87 */
-        	NID_ext_key_usage	/* 126 */
+        	NID_ext_key_usage,	/* 126 */
+		NID_proxyCertInfo	/* 661 */
 	};
 
 	int ex_nid;
@@ -306,6 +307,7 @@ int X509_supported_extension(X509_EXTENSION *ex)
 static void x509v3_cache_extensions(X509 *x)
 {
 	BASIC_CONSTRAINTS *bs;
+	PROXY_CERT_INFO_EXTENSION *pci;
 	ASN1_BIT_STRING *usage;
 	ASN1_BIT_STRING *ns;
 	EXTENDED_KEY_USAGE *extusage;
@@ -334,6 +336,16 @@ static void x509v3_cache_extensions(X509 *x)
 		BASIC_CONSTRAINTS_free(bs);
 		x->ex_flags |= EXFLAG_BCONS;
 	}
+	/* Handle proxy certificates */
+	if((pci=X509_get_ext_d2i(x, NID_proxyCertInfo, NULL, NULL))) {
+		if (x->ex_flags & EXFLAG_CA
+		    || X509_get_ext_by_NID(x, NID_subject_alt_name, 0) >= 0
+		    || X509_get_ext_by_NID(x, NID_issuer_alt_name, 0) >= 0) {
+			x->ex_flags |= EXFLAG_INVALID;
+		}
+		PROXY_CERT_INFO_EXTENSION_free(pci);
+		x->ex_flags |= EXFLAG_PROXY;
+	}
 	/* Handle key usage */
 	if((usage=X509_get_ext_d2i(x, NID_key_usage, NULL, NULL))) {
 		if(usage->length > 0) {
@@ -623,7 +635,13 @@ int X509_check_issued(X509 *issuer, X509 *subject)
 				return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
 		}
 	}
-	if(ku_reject(issuer, KU_KEY_CERT_SIGN)) return X509_V_ERR_KEYUSAGE_NO_CERTSIGN;
+	if(subject->ex_flags & EXFLAG_PROXY)
+		{
+		if(ku_reject(issuer, KU_DIGITAL_SIGNATURE))
+			return X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE;
+		}
+	else if(ku_reject(issuer, KU_KEY_CERT_SIGN))
+		return X509_V_ERR_KEYUSAGE_NO_CERTSIGN;
 	return X509_V_OK;
 }
 
diff --git a/crypto/x509v3/v3err.c b/crypto/x509v3/v3err.c
index 000ddbc388..2df0c3ef01 100644
--- a/crypto/x509v3/v3err.c
+++ b/crypto/x509v3/v3err.c
@@ -1,6 +1,6 @@
 /* crypto/x509v3/v3err.c */
 /* ====================================================================
- * Copyright (c) 1999-2004 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2005 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
@@ -79,6 +79,7 @@ static ERR_STRING_DATA X509V3_str_functs[]=
 {ERR_PACK(0,X509V3_F_NREF_NOS,0),	"NREF_NOS"},
 {ERR_PACK(0,X509V3_F_POLICY_SECTION,0),	"POLICY_SECTION"},
 {ERR_PACK(0,X509V3_F_R2I_CERTPOL,0),	"R2I_CERTPOL"},
+{ERR_PACK(0,X509V3_F_R2I_PCI,0),	"R2I_PCI"},
 {ERR_PACK(0,X509V3_F_S2I_ASN1_IA5STRING,0),	"S2I_ASN1_IA5STRING"},
 {ERR_PACK(0,X509V3_F_S2I_ASN1_INTEGER,0),	"s2i_ASN1_INTEGER"},
 {ERR_PACK(0,X509V3_F_S2I_ASN1_OCTET_STRING,0),	"s2i_ASN1_OCTET_STRING"},
@@ -129,6 +130,7 @@ static ERR_STRING_DATA X509V3_str_reasons[]=
 {X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED,"extension setting not supported"},
 {X509V3_R_EXTENSION_VALUE_ERROR          ,"extension value error"},
 {X509V3_R_ILLEGAL_HEX_DIGIT              ,"illegal hex digit"},
+{X509V3_R_INCORRECT_POLICY_SYNTAX_TAG    ,"incorrect policy syntax tag"},
 {X509V3_R_INVALID_BOOLEAN_STRING         ,"invalid boolean string"},
 {X509V3_R_INVALID_EXTENSION_STRING       ,"invalid extension string"},
 {X509V3_R_INVALID_NAME                   ,"invalid name"},
@@ -140,6 +142,8 @@ static ERR_STRING_DATA X509V3_str_reasons[]=
 {X509V3_R_INVALID_OBJECT_IDENTIFIER      ,"invalid object identifier"},
 {X509V3_R_INVALID_OPTION                 ,"invalid option"},
 {X509V3_R_INVALID_POLICY_IDENTIFIER      ,"invalid policy identifier"},
+{X509V3_R_INVALID_PROXY_POLICY_IDENTIFIER,"invalid proxy policy identifier"},
+{X509V3_R_INVALID_PROXY_POLICY_SETTING   ,"invalid proxy policy setting"},
 {X509V3_R_INVALID_PURPOSE                ,"invalid purpose"},
 {X509V3_R_INVALID_SECTION                ,"invalid section"},
 {X509V3_R_INVALID_SYNTAX                 ,"invalid syntax"},
@@ -150,9 +154,16 @@ static ERR_STRING_DATA X509V3_str_reasons[]=
 {X509V3_R_NO_ISSUER_CERTIFICATE          ,"no issuer certificate"},
 {X509V3_R_NO_ISSUER_DETAILS              ,"no issuer details"},
 {X509V3_R_NO_POLICY_IDENTIFIER           ,"no policy identifier"},
+{X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED,"no proxy cert policy language defined"},
 {X509V3_R_NO_PUBLIC_KEY                  ,"no public key"},
 {X509V3_R_NO_SUBJECT_DETAILS             ,"no subject details"},
 {X509V3_R_ODD_NUMBER_OF_DIGITS           ,"odd number of digits"},
+{X509V3_R_POLICY_LANGUAGE_ALREADTY_DEFINED,"policy language alreadty defined"},
+{X509V3_R_POLICY_PATH_LENGTH             ,"policy path length"},
+{X509V3_R_POLICY_PATH_LENGTH_ALREADTY_DEFINED,"policy path length alreadty defined"},
+{X509V3_R_POLICY_SYNTAX_NOT              ,"policy syntax not"},
+{X509V3_R_POLICY_SYNTAX_NOT_CURRENTLY_SUPPORTED,"policy syntax not currently supported"},
+{X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY,"policy when proxy language requires no policy"},
 {X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS   ,"unable to get issuer details"},
 {X509V3_R_UNABLE_TO_GET_ISSUER_KEYID     ,"unable to get issuer keyid"},
 {X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT    ,"unknown bit string argument"},
diff --git a/crypto/x509v3/x509v3.h b/crypto/x509v3/x509v3.h
index f220ca5e3e..e6d91251c2 100644
--- a/crypto/x509v3/x509v3.h
+++ b/crypto/x509v3/x509v3.h
@@ -287,6 +287,23 @@ typedef STACK_OF(POLICYINFO) CERTIFICATEPOLICIES;
 DECLARE_STACK_OF(POLICYINFO)
 DECLARE_ASN1_SET_OF(POLICYINFO)
 
+/* Proxy certificate structures, see RFC 3820 */
+typedef struct PROXY_POLICY_st
+	{
+	ASN1_OBJECT *policyLanguage;
+	ASN1_OCTET_STRING *policy;
+	} PROXY_POLICY;
+
+typedef struct PROXY_CERT_INFO_EXTENSION_st
+	{
+	ASN1_INTEGER *pcPathLengthConstraint;
+	PROXY_POLICY *proxyPolicy;
+	} PROXY_CERT_INFO_EXTENSION;
+
+DECLARE_ASN1_FUNCTIONS(PROXY_POLICY)
+DECLARE_ASN1_FUNCTIONS(PROXY_CERT_INFO_EXTENSION)
+
+
 #define X509V3_conf_err(val) ERR_add_error_data(6, "section:", val->section, \
 ",name:", val->name, ",value:", val->value);
 
@@ -325,6 +342,7 @@ DECLARE_ASN1_SET_OF(POLICYINFO)
 #define EXFLAG_INVALID		0x80
 #define EXFLAG_SET		0x100
 #define EXFLAG_CRITICAL		0x200
+#define EXFLAG_PROXY		0x400
 
 #define KU_DIGITAL_SIGNATURE	0x0080
 #define KU_NON_REPUDIATION	0x0040
@@ -572,6 +590,7 @@ void ERR_load_X509V3_strings(void);
 #define X509V3_F_NREF_NOS				 133
 #define X509V3_F_POLICY_SECTION				 131
 #define X509V3_F_R2I_CERTPOL				 130
+#define X509V3_F_R2I_PCI				 142
 #define X509V3_F_S2I_ASN1_IA5STRING			 100
 #define X509V3_F_S2I_ASN1_INTEGER			 108
 #define X509V3_F_S2I_ASN1_OCTET_STRING			 112
@@ -619,6 +638,7 @@ void ERR_load_X509V3_strings(void);
 #define X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED	 103
 #define X509V3_R_EXTENSION_VALUE_ERROR			 116
 #define X509V3_R_ILLEGAL_HEX_DIGIT			 113
+#define X509V3_R_INCORRECT_POLICY_SYNTAX_TAG		 153
 #define X509V3_R_INVALID_BOOLEAN_STRING			 104
 #define X509V3_R_INVALID_EXTENSION_STRING		 105
 #define X509V3_R_INVALID_NAME				 106
@@ -630,6 +650,8 @@ void ERR_load_X509V3_strings(void);
 #define X509V3_R_INVALID_OBJECT_IDENTIFIER		 110
 #define X509V3_R_INVALID_OPTION				 138
 #define X509V3_R_INVALID_POLICY_IDENTIFIER		 134
+#define X509V3_R_INVALID_PROXY_POLICY_IDENTIFIER	 147
+#define X509V3_R_INVALID_PROXY_POLICY_SETTING		 151
 #define X509V3_R_INVALID_PURPOSE			 146
 #define X509V3_R_INVALID_SECTION			 135
 #define X509V3_R_INVALID_SYNTAX				 143
@@ -640,9 +662,16 @@ void ERR_load_X509V3_strings(void);
 #define X509V3_R_NO_ISSUER_CERTIFICATE			 121
 #define X509V3_R_NO_ISSUER_DETAILS			 127
 #define X509V3_R_NO_POLICY_IDENTIFIER			 139
+#define X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED	 148
 #define X509V3_R_NO_PUBLIC_KEY				 114
 #define X509V3_R_NO_SUBJECT_DETAILS			 125
 #define X509V3_R_ODD_NUMBER_OF_DIGITS			 112
+#define X509V3_R_POLICY_LANGUAGE_ALREADTY_DEFINED	 149
+#define X509V3_R_POLICY_PATH_LENGTH			 152
+#define X509V3_R_POLICY_PATH_LENGTH_ALREADTY_DEFINED	 150
+#define X509V3_R_POLICY_SYNTAX_NOT			 154
+#define X509V3_R_POLICY_SYNTAX_NOT_CURRENTLY_SUPPORTED	 155
+#define X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY 156
 #define X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS		 122
 #define X509V3_R_UNABLE_TO_GET_ISSUER_KEYID		 123
 #define X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT		 111
diff --git a/doc/standards.txt b/doc/standards.txt
index edbe2f3a57..f6675b574b 100644
--- a/doc/standards.txt
+++ b/doc/standards.txt
@@ -88,6 +88,10 @@ PKCS#12: Personal Information Exchange Syntax Standard, version 1.0.
      (Format: TXT=143173 bytes) (Obsoletes RFC2437) (Status:           
      INFORMATIONAL)                                         
 
+3820 Internet X.509 Public Key Infrastructure (PKI) Proxy Certificate
+     Profile. S. Tuecke, V. Welch, D. Engert, L. Pearlman, M. Thompson.
+     June 2004. (Format: TXT=86374 bytes) (Status: PROPOSED STANDARD)
+
 
 Related:
 --------
diff --git a/ssl/ssltest.c b/ssl/ssltest.c
index 7e58582f96..02878981f1 100644
--- a/ssl/ssltest.c
+++ b/ssl/ssltest.c
@@ -119,6 +119,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <ctype.h>
 
 #define USE_SOCKETS
 #include "e_os.h"
@@ -127,6 +128,7 @@
 #include <openssl/crypto.h>
 #include <openssl/evp.h>
 #include <openssl/x509.h>
+#include <openssl/x509v3.h>
 #include <openssl/ssl.h>
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
@@ -169,8 +171,15 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
 static void free_tmp_rsa(void);
 #endif
 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
-#define APP_CALLBACK "Test Callback Argument"
-static char *app_verify_arg = APP_CALLBACK;
+#define APP_CALLBACK_STRING "Test Callback Argument"
+struct app_verify_arg
+	{
+	char *string;
+	int app_verify;
+	int allow_proxy_certs;
+	char *proxy_auth;
+	char *proxy_cond;
+	};
 
 #ifndef OPENSSL_NO_DH
 static DH *get_dh512(void);
@@ -204,6 +213,9 @@ static void sv_usage(void)
 #endif
 	fprintf(stderr," -server_auth  - check server certificate\n");
 	fprintf(stderr," -client_auth  - do client authentication\n");
+	fprintf(stderr," -proxy        - allow proxy certificates\n");
+	fprintf(stderr," -proxy_auth <val> - set proxy policy rights\n");
+	fprintf(stderr," -proxy_cond <val> - experssion to test proxy policy rights\n");
 	fprintf(stderr," -v            - more output\n");
 	fprintf(stderr," -d            - debug output\n");
 	fprintf(stderr," -reuse        - use session-id reuse\n");
@@ -353,7 +365,8 @@ int main(int argc, char *argv[])
 	int tls1=0,ssl2=0,ssl3=0,ret=1;
 	int client_auth=0;
 	int server_auth=0,i;
-	int app_verify=0;
+	struct app_verify_arg app_verify_arg =
+		{ APP_CALLBACK_STRING, 0, 0, NULL, NULL };
 	char *server_cert=TEST_SERVER_CERT;
 	char *server_key=NULL;
 	char *client_cert=TEST_CLIENT_CERT;
@@ -421,6 +434,16 @@ int main(int argc, char *argv[])
 			server_auth=1;
 		else if	(strcmp(*argv,"-client_auth") == 0)
 			client_auth=1;
+		else if (strcmp(*argv,"-proxy_auth") == 0)
+			{
+			if (--argc < 1) goto bad;
+			app_verify_arg.proxy_auth= *(++argv);
+			}
+		else if (strcmp(*argv,"-proxy_cond") == 0)
+			{
+			if (--argc < 1) goto bad;
+			app_verify_arg.proxy_cond= *(++argv);
+			}
 		else if	(strcmp(*argv,"-v") == 0)
 			verbose=1;
 		else if	(strcmp(*argv,"-d") == 0)
@@ -533,7 +556,11 @@ int main(int argc, char *argv[])
 			}
 		else if	(strcmp(*argv,"-app_verify") == 0)
 			{
-			app_verify = 1;
+			app_verify_arg.app_verify = 1;
+			}
+		else if	(strcmp(*argv,"-proxy") == 0)
+			{
+			app_verify_arg.allow_proxy_certs = 1;
 			}
 		else
 			{
@@ -708,20 +735,14 @@ bad:
 		SSL_CTX_set_verify(s_ctx,
 			SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 			verify_callback);
-		if (app_verify) 
-			{
-			SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
-			}
+		SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, &app_verify_arg);
 		}
 	if (server_auth)
 		{
 		BIO_printf(bio_err,"server authentication\n");
 		SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 			verify_callback);
-		if (app_verify) 
-			{
-			SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
-			}
+		SSL_CTX_set_cert_verify_callback(c_ctx, app_verify_callback, &app_verify_arg);
 		}
 	
 	{
@@ -1503,6 +1524,22 @@ err:
 	return(ret);
 	}
 
+static int get_proxy_auth_ex_data_idx(void)
+	{
+	static volatile int idx = -1;
+	if (idx < 0)
+		{
+		CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+		if (idx < 0)
+			{
+			idx = X509_STORE_CTX_get_ex_new_index(0,
+				"SSLtest for verify callback", NULL,NULL,NULL);
+			}
+		CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+		}
+	return idx;
+	}
+
 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
 	{
 	char *s,buf[256];
@@ -1512,42 +1549,467 @@ static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
 	if (s != NULL)
 		{
 		if (ok)
-			fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
+			fprintf(stderr,"depth=%d %s\n",
+				ctx->error_depth,buf);
 		else
+			{
 			fprintf(stderr,"depth=%d error=%d %s\n",
 				ctx->error_depth,ctx->error,buf);
+			}
 		}
 
 	if (ok == 0)
 		{
+		fprintf(stderr,"Error string: %s\n",
+			X509_verify_cert_error_string(ctx->error));
 		switch (ctx->error)
 			{
 		case X509_V_ERR_CERT_NOT_YET_VALID:
 		case X509_V_ERR_CERT_HAS_EXPIRED:
 		case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+			fprintf(stderr,"  ... ignored.\n");
 			ok=1;
 			}
 		}
 
+	if (ok == 1)
+		{
+		X509 *xs = ctx->current_cert;
+#if 0
+		X509 *xi = ctx->current_issuer;
+#endif
+
+		if (xs->ex_flags & EXFLAG_PROXY)
+			{
+			unsigned int *letters =
+				X509_STORE_CTX_get_ex_data(ctx,
+					get_proxy_auth_ex_data_idx());
+
+			if (letters)
+				{
+				int found_any = 0;
+				int i;
+				PROXY_CERT_INFO_EXTENSION *pci =
+					X509_get_ext_d2i(xs, NID_proxyCertInfo,
+						NULL, NULL);
+
+				switch (OBJ_obj2nid(pci->proxyPolicy->policyLanguage))
+					{
+				case NID_Independent:
+					/* Completely meaningless in this
+					   program, as there's no way to
+					   grant explicit rights to a
+					   specific PrC.  Basically, using
+					   id-ppl-Independent is the perfect
+					   way to grant no rights at all. */
+					fprintf(stderr, "  Independent proxy certificate");
+					for (i = 0; i < 26; i++)
+						letters[i] = 0;
+					break;
+				case NID_id_ppl_inheritAll:
+					/* This is basically a NOP, we
+					   simply let the current rights
+					   stand as they are. */
+					fprintf(stderr, "  Proxy certificate inherits all");
+					break;
+				default:
+					s = (char *)
+						pci->proxyPolicy->policy->data;
+					i = pci->proxyPolicy->policy->length;
+
+					/* The algorithm works as follows:
+					   it is assumed that previous
+					   iterations or the initial granted
+					   rights has already set some elements
+					   of `letters'.  What we need to do is
+					   to clear those that weren't granted
+					   by the current PrC as well.  The
+					   easiest way to do this is to add 1
+					   to all the elements whose letters
+					   are given with the current policy.
+					   That way, all elements that are set
+					   by the current policy and were
+					   already set by earlier policies and
+					   through the original grant of rights
+					   will get the value 2 or higher.
+					   The last thing to do is to sweep
+					   through `letters' and keep the
+					   elements having the value 2 as set,
+					   and clear all the others. */
+
+					fprintf(stderr, "  Certificate proxy rights = %*.*s", i, i, s);
+					while(i-- > 0)
+						{
+						char c = *s++;
+						if (isascii(c) && isalpha(c))
+							{
+							if (islower(c))
+								c = toupper(c);
+							letters[c - 'A']++;
+							}
+						}
+					for (i = 0; i < 26; i++)
+						if (letters[i] < 2)
+							letters[i] = 0;
+						else
+							letters[i] = 1;
+					}
+
+				found_any = 0;
+				fprintf(stderr,
+					", resulting proxy rights = ");
+				for(i = 0; i < 26; i++)
+					if (letters[i])
+						{
+						fprintf(stderr, "%c", i + 'A');
+						found_any = 1;
+						}
+				if (!found_any)
+					fprintf(stderr, "none");
+				fprintf(stderr, "\n");
+
+				PROXY_CERT_INFO_EXTENSION_free(pci);
+				}
+			}
+		}
+
 	return(ok);
 	}
 
+static void process_proxy_debug(int indent, const char *format, ...)
+	{
+	static const char indentation[] =
+		">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
+		">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"; /* That's 80 > */
+	char my_format[256];
+	va_list args;
+
+	BIO_snprintf(my_format, sizeof(my_format), "%*.*s %s",
+		indent, indent, indentation, format);
+
+	va_start(args, format);
+	vfprintf(stderr, my_format, args);
+	va_end(args);
+	}
+/* Priority levels:
+   0	[!]var, ()
+   1	& ^
+   2	|
+*/
+static int process_proxy_cond_adders(unsigned int letters[26],
+	const char *cond, const char **cond_end, int *pos, int indent);
+static int process_proxy_cond_val(unsigned int letters[26],
+	const char *cond, const char **cond_end, int *pos, int indent)
+	{
+	char c;
+	int ok = 1;
+	int negate = 0;
+
+	while(isspace(*cond))
+		{
+		cond++; (*pos)++;
+		}
+	c = *cond;
+
+	if (debug)
+		process_proxy_debug(indent,
+			"Start process_proxy_cond_val at position %d: %s\n",
+			*pos, cond);
+
+	while(c == '!')
+		{
+		negate = !negate;
+		cond++; (*pos)++;
+		while(isspace(*cond))
+			{
+			cond++; (*pos)++;
+			}
+		c = *cond;
+		}
+
+	if (c == '(')
+		{
+		cond++; (*pos)++;
+		ok = process_proxy_cond_adders(letters, cond, cond_end, pos,
+			indent + 1);
+		cond = *cond_end;
+		if (ok < 0)
+			goto end;
+		while(isspace(*cond))
+			{
+			cond++; (*pos)++;
+			}
+		c = *cond;
+		if (c != ')')
+			{
+			fprintf(stderr,
+				"Weird condition character in position %d: "
+				"%c\n", *pos, c);
+			ok = -1;
+			goto end;
+			}
+		cond++; (*pos)++;
+		}
+	else if (isascii(c) && isalpha(c))
+		{
+		if (islower(c))
+			c = toupper(c);
+		ok = letters[c - 'A'];
+		cond++; (*pos)++;
+		}
+	else
+		{
+		fprintf(stderr,
+			"Weird condition character in position %d: "
+			"%c\n", *pos, c);
+		ok = -1;
+		goto end;
+		}
+ end:
+	*cond_end = cond;
+	if (ok >= 0 && negate)
+		ok = !ok;
+
+	if (debug)
+		process_proxy_debug(indent,
+			"End process_proxy_cond_val at position %d: %s, returning %d\n",
+			*pos, cond, ok);
+
+	return ok;
+	}
+static int process_proxy_cond_multipliers(unsigned int letters[26],
+	const char *cond, const char **cond_end, int *pos, int indent)
+	{
+	int ok;
+	char c;
+
+	if (debug)
+		process_proxy_debug(indent,
+			"Start process_proxy_cond_multipliers at position %d: %s\n",
+			*pos, cond);
+
+	ok = process_proxy_cond_val(letters, cond, cond_end, pos, indent + 1);
+	cond = *cond_end;
+	if (ok < 0)
+		goto end;
+
+	while(ok >= 0)
+		{
+		while(isspace(*cond))
+			{
+			cond++; (*pos)++;
+			}
+		c = *cond;
+
+		switch(c)
+			{
+		case '&':
+		case '^':
+			{
+			int save_ok = ok;
+
+			cond++; (*pos)++;
+			ok = process_proxy_cond_val(letters,
+				cond, cond_end, pos, indent + 1);
+			cond = *cond_end;
+			if (ok < 0)
+				break;
+
+			switch(c)
+				{
+			case '&':
+				ok &= save_ok;
+				break;
+			case '^':
+				ok ^= save_ok;
+				break;
+			default:
+				fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!"
+					" STOPPING\n");
+				EXIT(1);
+				}
+			}
+			break;
+		default:
+			goto end;
+			}
+		}
+ end:
+	if (debug)
+		process_proxy_debug(indent,
+			"End process_proxy_cond_multipliers at position %d: %s, returning %d\n",
+			*pos, cond, ok);
+
+	*cond_end = cond;
+	return ok;
+	}
+static int process_proxy_cond_adders(unsigned int letters[26],
+	const char *cond, const char **cond_end, int *pos, int indent)
+	{
+	int ok;
+	char c;
+
+	if (debug)
+		process_proxy_debug(indent,
+			"Start process_proxy_cond_adders at position %d: %s\n",
+			*pos, cond);
+
+	ok = process_proxy_cond_multipliers(letters, cond, cond_end, pos,
+		indent + 1);
+	cond = *cond_end;
+	if (ok < 0)
+		goto end;
+
+	while(ok >= 0)
+		{
+		while(isspace(*cond))
+			{
+			cond++; (*pos)++;
+			}
+		c = *cond;
+
+		switch(c)
+			{
+		case '|':
+			{
+			int save_ok = ok;
+
+			cond++; (*pos)++;
+			ok = process_proxy_cond_multipliers(letters,
+				cond, cond_end, pos, indent + 1);
+			cond = *cond_end;
+			if (ok < 0)
+				break;
+
+			switch(c)
+				{
+			case '|':
+				ok |= save_ok;
+				break;
+			default:
+				fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!"
+					" STOPPING\n");
+				EXIT(1);
+				}
+			}
+			break;
+		default:
+			goto end;
+			}
+		}
+ end:
+	if (debug)
+		process_proxy_debug(indent,
+			"End process_proxy_cond_adders at position %d: %s, returning %d\n",
+			*pos, cond, ok);
+
+	*cond_end = cond;
+	return ok;
+	}
+
+static int process_proxy_cond(unsigned int letters[26],
+	const char *cond, const char **cond_end)
+	{
+	int pos = 1;
+	return process_proxy_cond_adders(letters, cond, cond_end, &pos, 1);
+	}
+
 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
 	{
-	char *s = NULL,buf[256];
 	int ok=1;
+	struct app_verify_arg *cb_arg = arg;
+	unsigned int letters[26]; /* only used with proxy_auth */
 
-	fprintf(stderr, "In app_verify_callback, allowing cert. ");
-	fprintf(stderr, "Arg is: %s\n", (char *)arg);
-	fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
-			(unsigned int)ctx, (unsigned int)ctx->cert);
-	if (ctx->cert)
-		s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
-	if (s != NULL)
+	if (cb_arg->app_verify)
 		{
+		char *s = NULL,buf[256];
+
+		fprintf(stderr, "In app_verify_callback, allowing cert. ");
+		fprintf(stderr, "Arg is: %s\n", cb_arg->string);
+		fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
+			(unsigned int)ctx, (unsigned int)ctx->cert);
+		if (ctx->cert)
+			s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
+		if (s != NULL)
+			{
 			fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
+			}
+		return(1);
+		}
+	if (cb_arg->proxy_auth)
+		{
+		int found_any = 0, i;
+		char *sp;
+
+		for(i = 0; i < 26; i++)
+			letters[i] = 0;
+		for(sp = cb_arg->proxy_auth; *sp; sp++)
+			{
+			char c = *sp;
+			if (isascii(c) && isalpha(c))
+				{
+				if (islower(c))
+					c = toupper(c);
+				letters[c - 'A'] = 1;
+				}
+			}
+
+		fprintf(stderr,
+			"  Initial proxy rights = ");
+		for(i = 0; i < 26; i++)
+			if (letters[i])
+				{
+				fprintf(stderr, "%c", i + 'A');
+				found_any = 1;
+				}
+		if (!found_any)
+			fprintf(stderr, "none");
+		fprintf(stderr, "\n");
+
+		X509_STORE_CTX_set_ex_data(ctx,
+			get_proxy_auth_ex_data_idx(),letters);
 		}
+	if (cb_arg->allow_proxy_certs)
+		{
+		X509_STORE_CTX_set_flags(ctx, X509_V_FLAG_ALLOW_PROXY_CERTS);
+		}
+
+#ifndef OPENSSL_NO_X509_VERIFY
+# ifdef OPENSSL_FIPS
+	if(s->version == TLS1_VERSION)
+		FIPS_allow_md5(1);
+# endif
+	ok = X509_verify_cert(ctx);
+# ifdef OPENSSL_FIPS
+	if(s->version == TLS1_VERSION)
+		FIPS_allow_md5(0);
+# endif
+#endif
+
+	if (cb_arg->proxy_auth)
+		{
+		if (ok)
+			{
+			const char *cond_end = NULL;
 
+			ok = process_proxy_cond(letters,
+				cb_arg->proxy_cond, &cond_end);
+
+			if (ok < 0)
+				EXIT(3);
+			if (*cond_end)
+				{
+				fprintf(stderr, "Stopped processing condition before it's end.\n");
+				ok = 0;
+				}
+			if (!ok)
+				fprintf(stderr, "Proxy rights check with condition '%s' proved invalid\n",
+					cb_arg->proxy_cond);
+			else
+				fprintf(stderr, "Proxy rights check with condition '%s' proved valid\n",
+					cb_arg->proxy_cond);
+			}
+		}
 	return(ok);
 	}
 
diff --git a/test/CAss.cnf b/test/CAss.cnf
index b941b7ae15..21da59a73a 100644
--- a/test/CAss.cnf
+++ b/test/CAss.cnf
@@ -23,3 +23,11 @@ organizationName_value		= Dodgy Brothers
 
 commonName			= Common Name (eg, YOUR name)
 commonName_value		= Dodgy CA
+
+[ v3_ca ]
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid:always,issuer:always
+basicConstraints = CA:true,pathlen:1
+keyUsage = cRLSign, keyCertSign
+issuerAltName=issuer:copy
+
diff --git a/test/Makefile b/test/Makefile
index 569f78151f..6aeedf7fa3 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -259,20 +259,26 @@ test_gen:
 	@echo "Generate and verify a certificate request"
 	@sh ./testgen
 
-test_ss keyU.ss certU.ss certCA.ss: testss
+test_ss keyU.ss certU.ss certCA.ss certP1.ss keyP1.ss certP2.ss keyP2.ss \
+		intP1.ss intP2.ss: testss
 	@echo "Generate and certify a test certificate"
 	@sh ./testss
+	@cat certCA.ss certU.ss > intP1.ss
+	@cat certCA.ss certU.ss certP1.ss > intP2.ss
 
 test_engine: 
 	@echo "Manipulate the ENGINE structures"
 	../util/shlib_wrap.sh ./$(ENGINETEST)
 
-test_ssl: keyU.ss certU.ss certCA.ss
+test_ssl: keyU.ss certU.ss certCA.ss certP1.ss keyP1.ss certP2.ss keyP2.ss \
+		intP1.ss intP2.ss
 	@echo "test SSL protocol"
 	@if egrep 'define OPENSSL_FIPS' $(TOP)/include/openssl/opensslconf.h > /dev/null; then \
 	  sh ./testfipsssl keyU.ss certU.ss certCA.ss; \
 	fi
 	@sh ./testssl keyU.ss certU.ss certCA.ss
+	@sh ./testsslproxy keyP1.ss certP1.ss intP1.ss
+	@sh ./testsslproxy keyP2.ss certP2.ss intP2.ss
 
 test_ca:
 	@if ../util/shlib_wrap.sh ../apps/openssl no-rsa; then \
@@ -757,25 +763,26 @@ ssltest.o: ../e_os.h ../include/openssl/aes.h ../include/openssl/asn1.h
 ssltest.o: ../include/openssl/bio.h ../include/openssl/blowfish.h
 ssltest.o: ../include/openssl/bn.h ../include/openssl/buffer.h
 ssltest.o: ../include/openssl/cast.h ../include/openssl/comp.h
-ssltest.o: ../include/openssl/crypto.h ../include/openssl/des.h
-ssltest.o: ../include/openssl/des_old.h ../include/openssl/dh.h
-ssltest.o: ../include/openssl/dsa.h ../include/openssl/e_os2.h
-ssltest.o: ../include/openssl/engine.h ../include/openssl/err.h
-ssltest.o: ../include/openssl/evp.h ../include/openssl/fips.h
-ssltest.o: ../include/openssl/idea.h ../include/openssl/kssl.h
-ssltest.o: ../include/openssl/lhash.h ../include/openssl/md2.h
-ssltest.o: ../include/openssl/md4.h ../include/openssl/md5.h
-ssltest.o: ../include/openssl/mdc2.h ../include/openssl/obj_mac.h
-ssltest.o: ../include/openssl/objects.h ../include/openssl/opensslconf.h
-ssltest.o: ../include/openssl/opensslv.h ../include/openssl/ossl_typ.h
-ssltest.o: ../include/openssl/pem.h ../include/openssl/pem2.h
-ssltest.o: ../include/openssl/pkcs7.h ../include/openssl/rand.h
-ssltest.o: ../include/openssl/rc2.h ../include/openssl/rc4.h
-ssltest.o: ../include/openssl/rc5.h ../include/openssl/ripemd.h
-ssltest.o: ../include/openssl/rsa.h ../include/openssl/safestack.h
-ssltest.o: ../include/openssl/sha.h ../include/openssl/ssl.h
-ssltest.o: ../include/openssl/ssl2.h ../include/openssl/ssl23.h
-ssltest.o: ../include/openssl/ssl3.h ../include/openssl/stack.h
-ssltest.o: ../include/openssl/symhacks.h ../include/openssl/tls1.h
-ssltest.o: ../include/openssl/ui.h ../include/openssl/ui_compat.h
-ssltest.o: ../include/openssl/x509.h ../include/openssl/x509_vfy.h ssltest.c
+ssltest.o: ../include/openssl/conf.h ../include/openssl/crypto.h
+ssltest.o: ../include/openssl/des.h ../include/openssl/des_old.h
+ssltest.o: ../include/openssl/dh.h ../include/openssl/dsa.h
+ssltest.o: ../include/openssl/e_os2.h ../include/openssl/engine.h
+ssltest.o: ../include/openssl/err.h ../include/openssl/evp.h
+ssltest.o: ../include/openssl/fips.h ../include/openssl/idea.h
+ssltest.o: ../include/openssl/kssl.h ../include/openssl/lhash.h
+ssltest.o: ../include/openssl/md2.h ../include/openssl/md4.h
+ssltest.o: ../include/openssl/md5.h ../include/openssl/mdc2.h
+ssltest.o: ../include/openssl/obj_mac.h ../include/openssl/objects.h
+ssltest.o: ../include/openssl/opensslconf.h ../include/openssl/opensslv.h
+ssltest.o: ../include/openssl/ossl_typ.h ../include/openssl/pem.h
+ssltest.o: ../include/openssl/pem2.h ../include/openssl/pkcs7.h
+ssltest.o: ../include/openssl/rand.h ../include/openssl/rc2.h
+ssltest.o: ../include/openssl/rc4.h ../include/openssl/rc5.h
+ssltest.o: ../include/openssl/ripemd.h ../include/openssl/rsa.h
+ssltest.o: ../include/openssl/safestack.h ../include/openssl/sha.h
+ssltest.o: ../include/openssl/ssl.h ../include/openssl/ssl2.h
+ssltest.o: ../include/openssl/ssl23.h ../include/openssl/ssl3.h
+ssltest.o: ../include/openssl/stack.h ../include/openssl/symhacks.h
+ssltest.o: ../include/openssl/tls1.h ../include/openssl/ui.h
+ssltest.o: ../include/openssl/ui_compat.h ../include/openssl/x509.h
+ssltest.o: ../include/openssl/x509_vfy.h ../include/openssl/x509v3.h ssltest.c
diff --git a/test/Uss.cnf b/test/Uss.cnf
index c89692d519..0c0ebb5f67 100644
--- a/test/Uss.cnf
+++ b/test/Uss.cnf
@@ -26,3 +26,11 @@ organizationName_value          = Dodgy Brothers
 
 1.commonName			= Common Name (eg, YOUR name)
 1.commonName_value		= Brother 2
+
+[ v3_ee ]
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid,issuer:always
+basicConstraints = CA:false
+keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+issuerAltName=issuer:copy
+
diff --git a/test/testss b/test/testss
index f6a629c8e1..1a426857d3 100644
--- a/test/testss
+++ b/test/testss
@@ -17,6 +17,18 @@ Ukey="keyU.ss"
 Ureq="reqU.ss"
 Ucert="certU.ss"
 
+P1conf="P1ss.cnf"
+P1key="keyP1.ss"
+P1req="reqP1.ss"
+P1cert="certP1.ss"
+P1intermediate="tmp_intP1.ss"
+
+P2conf="P2ss.cnf"
+P2key="keyP2.ss"
+P2req="reqP2.ss"
+P2cert="certP2.ss"
+P2intermediate="tmp_intP2.ss"
+
 echo
 echo "make a certificate request using 'req'"
 
@@ -35,7 +47,7 @@ if [ $? != 0 ]; then
 fi
 echo
 echo "convert the certificate request into a self signed certificate using 'x509'"
-$x509cmd -CAcreateserial -in $CAreq -days 30 -req -out $CAcert -signkey $CAkey >err.ss
+$x509cmd -CAcreateserial -in $CAreq -days 30 -req -out $CAcert -signkey $CAkey -extfile $CAconf -extensions v3_ca >err.ss
 if [ $? != 0 ]; then
 	echo "error using 'x509' to self sign a certificate request"
 	exit 1
@@ -68,18 +80,18 @@ if [ $? != 0 ]; then
 fi
 
 echo
-echo "make another certificate request using 'req'"
+echo "make a user certificate request using 'req'"
 $reqcmd -config $Uconf -out $Ureq -keyout $Ukey $req_new >err.ss
 if [ $? != 0 ]; then
-	echo "error using 'req' to generate a certificate request"
+	echo "error using 'req' to generate a user certificate request"
 	exit 1
 fi
 
 echo
-echo "sign certificate request with the just created CA via 'x509'"
-$x509cmd -CAcreateserial -in $Ureq -days 30 -req -out $Ucert -CA $CAcert -CAkey $CAkey >err.ss
+echo "sign user certificate request with the just created CA via 'x509'"
+$x509cmd -CAcreateserial -in $Ureq -days 30 -req -out $Ucert -CA $CAcert -CAkey $CAkey -extfile $Uconf -extensions v3_ee >err.ss
 if [ $? != 0 ]; then
-	echo "error using 'x509' to sign a certificate request"
+	echo "error using 'x509' to sign a user certificate request"
 	exit 1
 fi
 
@@ -88,6 +100,50 @@ echo
 echo "Certificate details"
 $x509cmd -subject -issuer -startdate -enddate -noout -in $Ucert
 
+echo
+echo "make a proxy certificate request using 'req'"
+$reqcmd -config $P1conf -out $P1req -keyout $P1key $req_new >err.ss
+if [ $? != 0 ]; then
+	echo "error using 'req' to generate a proxy certificate request"
+	exit 1
+fi
+
+echo
+echo "sign proxy certificate request with the just created user certificate via 'x509'"
+$x509cmd -CAcreateserial -in $P1req -days 30 -req -out $P1cert -CA $Ucert -CAkey $Ukey -extfile $P1conf -extensions v3_proxy >err.ss
+if [ $? != 0 ]; then
+	echo "error using 'x509' to sign a proxy certificate request"
+	exit 1
+fi
+
+cat $Ucert > $P1intermediate
+$verifycmd -CAfile $CAcert -untrusted $P1intermediate $P1cert
+echo
+echo "Certificate details"
+$x509cmd -subject -issuer -startdate -enddate -noout -in $P1cert
+
+echo
+echo "make another proxy certificate request using 'req'"
+$reqcmd -config $P2conf -out $P2req -keyout $P2key $req_new >err.ss
+if [ $? != 0 ]; then
+	echo "error using 'req' to generate another proxy certificate request"
+	exit 1
+fi
+
+echo
+echo "sign second proxy certificate request with the first proxy certificate via 'x509'"
+$x509cmd -CAcreateserial -in $P2req -days 30 -req -out $P2cert -CA $P1cert -CAkey $P1key -extfile $P2conf -extensions v3_proxy >err.ss
+if [ $? != 0 ]; then
+	echo "error using 'x509' to sign a second proxy certificate request"
+	exit 1
+fi
+
+cat $Ucert $P1cert > $P2intermediate
+$verifycmd -CAfile $CAcert -untrusted $P2intermediate $P2cert
+echo
+echo "Certificate details"
+$x509cmd -subject -issuer -startdate -enddate -noout -in $P2cert
+
 echo
 echo The generated CA certificate is $CAcert
 echo The generated CA private key is $CAkey
@@ -95,5 +151,13 @@ echo The generated CA private key is $CAkey
 echo The generated user certificate is $Ucert
 echo The generated user private key is $Ukey
 
+echo The first generated proxy certificate is $P1cert
+echo The first generated proxy private key is $P1key
+
+echo The second generated proxy certificate is $P2cert
+echo The second generated proxy private key is $P2key
+
 /bin/rm err.ss
+#/bin/rm $P1intermediate
+#/bin/rm $P2intermediate
 exit 0
diff --git a/util/libeay.num b/util/libeay.num
index 562b338cf6..56fb7446e0 100755
--- a/util/libeay.num
+++ b/util/libeay.num
@@ -2855,3 +2855,15 @@ private_RC2_set_key                     3296	EXIST:OPENSSL_FIPS:FUNCTION:RC2
 private_MD4_Init                        3297	EXIST:OPENSSL_FIPS:FUNCTION:MD4
 private_BF_set_key                      3298	EXIST:OPENSSL_FIPS:FUNCTION:BF
 private_MD2_Init                        3299	EXIST:OPENSSL_FIPS:FUNCTION:MD2
+d2i_PROXY_CERT_INFO_EXTENSION           3300	EXIST::FUNCTION:
+PROXY_POLICY_it                         3301	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:
+PROXY_POLICY_it                         3301	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:
+i2d_PROXY_POLICY                        3302	EXIST::FUNCTION:
+i2d_PROXY_CERT_INFO_EXTENSION           3303	EXIST::FUNCTION:
+d2i_PROXY_POLICY                        3304	EXIST::FUNCTION:
+PROXY_CERT_INFO_EXTENSION_new           3305	EXIST::FUNCTION:
+PROXY_CERT_INFO_EXTENSION_free          3306	EXIST::FUNCTION:
+PROXY_CERT_INFO_EXTENSION_it            3307	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:
+PROXY_CERT_INFO_EXTENSION_it            3307	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:
+PROXY_POLICY_free                       3308	EXIST::FUNCTION:
+PROXY_POLICY_new                        3309	EXIST::FUNCTION:
diff --git a/util/mkerr.pl b/util/mkerr.pl
index 20146efb43..60e534807e 100644
--- a/util/mkerr.pl
+++ b/util/mkerr.pl
@@ -263,7 +263,7 @@ foreach $lib (keys %csrc)
 	} else {
 	    push @out,
 "/* ====================================================================\n",
-" * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.\n",
+" * Copyright (c) 2001-2005 The OpenSSL Project.  All rights reserved.\n",
 " *\n",
 " * Redistribution and use in source and binary forms, with or without\n",
 " * modification, are permitted provided that the following conditions\n",