pki: Support an --addrblock option for issued certificates

src/pki/commands/issue.c

@@ -71,6 +71,7 @@ static int issue()
 	char *error = NULL, *keyid = NULL;
 	identification_t *id = NULL;
 	linked_list_t *san, *cdps, *ocsp, *permitted, *excluded, *policies, *mappings;
+	linked_list_t *addrblocks;
 	int pathlen = X509_NO_CONSTRAINT, inhibit_any = X509_NO_CONSTRAINT;
 	int inhibit_mapping = X509_NO_CONSTRAINT, require_explicit = X509_NO_CONSTRAINT;
 	chunk_t serial = chunk_empty;
@@ -81,6 +82,7 @@ static int issue()
 	x509_t *x509;
 	x509_cdp_t *cdp = NULL;
 	x509_cert_policy_t *policy = NULL;
+	traffic_selector_t *ts;
 	char *arg;
 
 	san = linked_list_create();
@@ -90,6 +92,7 @@ static int issue()
 	excluded = linked_list_create();
 	policies = linked_list_create();
 	mappings = linked_list_create();
+	addrblocks = linked_list_create();
 
 	while (TRUE)
 	{
@@ -184,6 +187,15 @@ static int issue()
 			case 'p':
 				pathlen = atoi(arg);
 				continue;
+			case 'B':
+				ts = parse_ts(arg);
+				if (!ts)
+				{
+					error = "invalid addressBlock";
+					goto usage;
+				}
+				addrblocks->insert_last(addrblocks, ts);
+				continue;
 			case 'n':
 				permitted->insert_last(permitted,
 									   identification_create_from_string(arg));
@@ -519,7 +531,7 @@ static int issue()
 					BUILD_NOT_BEFORE_TIME, not_before, BUILD_DIGEST_ALG, digest,
 					BUILD_NOT_AFTER_TIME, not_after, BUILD_SERIAL, serial,
 					BUILD_SUBJECT_ALTNAMES, san, BUILD_X509_FLAG, flags,
-					BUILD_PATHLEN, pathlen,
+					BUILD_PATHLEN, pathlen, BUILD_ADDRBLOCKS, addrblocks,
 					BUILD_CRL_DISTRIBUTION_POINTS, cdps,
 					BUILD_OCSP_ACCESS_LOCATIONS, ocsp,
 					BUILD_PERMITTED_NAME_CONSTRAINTS, permitted,
@@ -557,6 +569,7 @@ end:
 	san->destroy_offset(san, offsetof(identification_t, destroy));
 	permitted->destroy_offset(permitted, offsetof(identification_t, destroy));
 	excluded->destroy_offset(excluded, offsetof(identification_t, destroy));
+	addrblocks->destroy_offset(addrblocks, offsetof(traffic_selector_t, destroy));
 	policies->destroy_function(policies, (void*)destroy_cert_policy);
 	mappings->destroy_function(mappings, (void*)destroy_policy_mapping);
 	cdps->destroy_function(cdps, (void*)destroy_cdp);
@@ -575,6 +588,7 @@ usage:
 	san->destroy_offset(san, offsetof(identification_t, destroy));
 	permitted->destroy_offset(permitted, offsetof(identification_t, destroy));
 	excluded->destroy_offset(excluded, offsetof(identification_t, destroy));
+	addrblocks->destroy_offset(addrblocks, offsetof(traffic_selector_t, destroy));
 	policies->destroy_function(policies, (void*)destroy_cert_policy);
 	mappings->destroy_function(mappings, (void*)destroy_policy_mapping);
 	cdps->destroy_function(cdps, (void*)destroy_cdp);
@@ -616,6 +630,7 @@ static void __attribute__ ((constructor))reg()
 			{"serial",			's', 1, "serial number in hex, default: random"},
 			{"ca",				'b', 0, "include CA basicConstraint, default: no"},
 			{"pathlen",			'p', 1, "set path length constraint"},
+			{"addrblock",		'B', 1, "RFC 3779 addrBlock to include"},
 			{"nc-permitted",	'n', 1, "add permitted NameConstraint"},
 			{"nc-excluded",		'N', 1, "add excluded NameConstraint"},
 			{"cert-policy",		'P', 1, "certificatePolicy OID to include"},

src/pki/man/pki---issue.1.in

@@ -24,6 +24,7 @@ pki \-\-issue \- Issue a certificate using a CA certificate and key
 .OP \-\-ocsp uri
 .OP \-\-pathlen len
 .OP \-\-nc-permitted name
+.OP \-\-addrblock block
 .OP \-\-nc-excluded name
 .OP \-\-policy\-mapping mapping
 .OP \-\-policy\-explicit len
@@ -148,6 +149,11 @@ times.
 .BI "\-p, \-\-pathlen " len
 Set path length constraint.
 .TP
+.BI "\-B, \-\-addrblock " block
+RFC 3779 address block to include in certificate. \fIblock\fR is either a
+CIDR subnet (such as \fI10.0.0.0/8\fR) or an arbitrary address range
+(\fI192.168.1.7-192.168.1.13\fR). Can be repeated to include multiple blocks.
+.TP
 .BI "\-n, \-\-nc-permitted " name
 Add permitted NameConstraint extension to certificate. For DNS or email
 constraints, the identity type is not always detectable by the given name. Use