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security/nss/lib/certdb/xauthkid.c@b8a032363ba2 (annotated)

security/nss/lib/certdb/xauthkid.c

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	/*
michael@0	6	* X.509 v3 Subject Key Usage Extension
michael@0	7	*
michael@0	8	*/
michael@0	9
michael@0	10	#include "prtypes.h"
michael@0	11	#include "seccomon.h"
michael@0	12	#include "secdert.h"
michael@0	13	#include "secoidt.h"
michael@0	14	#include "secasn1t.h"
michael@0	15	#include "secasn1.h"
michael@0	16	#include "secport.h"
michael@0	17	#include "certt.h"
michael@0	18	#include "genname.h"
michael@0	19	#include "secerr.h"
michael@0	20
michael@0	21	SEC_ASN1_MKSUB(SEC_IntegerTemplate)
michael@0	22	SEC_ASN1_MKSUB(SEC_OctetStringTemplate)
michael@0	23
michael@0	24	const SEC_ASN1Template CERTAuthKeyIDTemplate[] = {
michael@0	25	{ SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CERTAuthKeyID) },
michael@0	26	{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
michael@0	27	offsetof(CERTAuthKeyID,keyID), SEC_ASN1_SUB(SEC_OctetStringTemplate)},
michael@0	28	{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
michael@0	29	offsetof(CERTAuthKeyID, DERAuthCertIssuer), CERT_GeneralNamesTemplate},
michael@0	30	{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 2,
michael@0	31	offsetof(CERTAuthKeyID,authCertSerialNumber),
michael@0	32	SEC_ASN1_SUB(SEC_IntegerTemplate) },
michael@0	33	{ 0 }
michael@0	34	};
michael@0	35
michael@0	36
michael@0	37
michael@0	38	SECStatus CERT_EncodeAuthKeyID (PLArenaPool *arena, CERTAuthKeyID *value, SECItem *encodedValue)
michael@0	39	{
michael@0	40	SECStatus rv = SECFailure;
michael@0	41
michael@0	42	PORT_Assert (value);
michael@0	43	PORT_Assert (arena);
michael@0	44	PORT_Assert (value->DERAuthCertIssuer == NULL);
michael@0	45	PORT_Assert (encodedValue);
michael@0	46
michael@0	47	do {
michael@0	48
michael@0	49	/* If both of the authCertIssuer and the serial number exist, encode
michael@0	50	the name first. Otherwise, it is an error if one exist and the other
michael@0	51	is not.
michael@0	52	*/
michael@0	53	if (value->authCertIssuer) {
michael@0	54	if (!value->authCertSerialNumber.data) {
michael@0	55	PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
michael@0	56	break;
michael@0	57	}
michael@0	58
michael@0	59	value->DERAuthCertIssuer = cert_EncodeGeneralNames
michael@0	60	(arena, value->authCertIssuer);
michael@0	61	if (!value->DERAuthCertIssuer) {
michael@0	62	PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
michael@0	63	break;
michael@0	64	}
michael@0	65	}
michael@0	66	else if (value->authCertSerialNumber.data) {
michael@0	67	PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
michael@0	68	break;
michael@0	69	}
michael@0	70
michael@0	71	if (SEC_ASN1EncodeItem (arena, encodedValue, value,
michael@0	72	CERTAuthKeyIDTemplate) == NULL)
michael@0	73	break;
michael@0	74	rv = SECSuccess;
michael@0	75
michael@0	76	} while (0);
michael@0	77	return(rv);
michael@0	78	}
michael@0	79
michael@0	80	CERTAuthKeyID *
michael@0	81	CERT_DecodeAuthKeyID (PLArenaPool *arena, const SECItem *encodedValue)
michael@0	82	{
michael@0	83	CERTAuthKeyID * value = NULL;
michael@0	84	SECStatus rv = SECFailure;
michael@0	85	void * mark;
michael@0	86	SECItem newEncodedValue;
michael@0	87
michael@0	88	PORT_Assert (arena);
michael@0	89
michael@0	90	do {
michael@0	91	mark = PORT_ArenaMark (arena);
michael@0	92	value = (CERTAuthKeyID*)PORT_ArenaZAlloc (arena, sizeof (*value));
michael@0	93	if (value == NULL)
michael@0	94	break;
michael@0	95	value->DERAuthCertIssuer = NULL;
michael@0	96	/* copy the DER into the arena, since Quick DER returns data that points
michael@0	97	into the DER input, which may get freed by the caller */
michael@0	98	rv = SECITEM_CopyItem(arena, &newEncodedValue, encodedValue);
michael@0	99	if ( rv != SECSuccess ) {
michael@0	100	break;
michael@0	101	}
michael@0	102
michael@0	103	rv = SEC_QuickDERDecodeItem
michael@0	104	(arena, value, CERTAuthKeyIDTemplate, &newEncodedValue);
michael@0	105	if (rv != SECSuccess)
michael@0	106	break;
michael@0	107
michael@0	108	value->authCertIssuer = cert_DecodeGeneralNames (arena, value->DERAuthCertIssuer);
michael@0	109	if (value->authCertIssuer == NULL)
michael@0	110	break;
michael@0	111
michael@0	112	/* what if the general name contains other format but not URI ?
michael@0	113	hl
michael@0	114	*/
michael@0	115	if ((value->authCertSerialNumber.data && !value->authCertIssuer) ||
michael@0	116	(!value->authCertSerialNumber.data && value->authCertIssuer)){
michael@0	117	PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
michael@0	118	break;
michael@0	119	}
michael@0	120	} while (0);
michael@0	121
michael@0	122	if (rv != SECSuccess) {
michael@0	123	PORT_ArenaRelease (arena, mark);
michael@0	124	return ((CERTAuthKeyID *)NULL);
michael@0	125	}
michael@0	126	PORT_ArenaUnmark(arena, mark);
michael@0	127	return (value);
michael@0	128	}