asn1.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:43k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #ifdef DEBUG
- static const char CVS_ID[] = "@(#) $RCSfile: asn1.c,v $ $Revision: 1.1 $ $Date: 2000/03/31 19:54:49 $ $Name: NSS_3_1_1_RTM $";
- #endif /* DEBUG */
- /*
- * asn1.c
- *
- * At this point in time, this file contains the NSS wrappers for
- * the old "SEC" ASN.1 encoder/decoder stuff.
- */
- #ifndef ASN1M_H
- #include "asn1m.h"
- #endif /* ASN1M_H */
- #include "plarena.h"
- #include "secasn1.h"
- /*
- * The pointer-tracking stuff
- */
- #ifdef DEBUG
- extern const NSSError NSS_ERROR_INTERNAL_ERROR;
- static nssPointerTracker decoder_pointer_tracker;
- static PRStatus
- decoder_add_pointer
- (
- const nssASN1Decoder *decoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_initialize(&decoder_pointer_tracker);
- if( PR_SUCCESS != rv ) {
- return rv;
- }
- rv = nssPointerTracker_add(&decoder_pointer_tracker, decoder);
- if( PR_SUCCESS != rv ) {
- NSSError e = NSS_GetError();
- if( NSS_ERROR_NO_MEMORY != e ) {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- }
- return rv;
- }
- return PR_SUCCESS;
- }
- static PRStatus
- decoder_remove_pointer
- (
- const nssASN1Decoder *decoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_remove(&decoder_pointer_tracker, decoder);
- if( PR_SUCCESS != rv ) {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- }
- return rv;
- }
- /*
- * nssASN1Decoder_verify
- *
- * This routine is only available in debug builds.
- *
- * If the specified pointer is a valid pointer to an nssASN1Decoder
- * object, this routine will return PR_SUCCESS. Otherwise, it will
- * put an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_verify
- (
- nssASN1Decoder *decoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_initialize(&decoder_pointer_tracker);
- if( PR_SUCCESS != rv ) {
- return PR_FAILURE;
- }
- rv = nssPointerTracker_verify(&decoder_pointer_tracker, decoder);
- if( PR_SUCCESS != rv ) {
- nss_SetError(NSS_ERROR_INVALID_ASN1DECODER);
- return PR_FAILURE;
- }
- return PR_SUCCESS;
- }
- static nssPointerTracker encoder_pointer_tracker;
- static PRStatus
- encoder_add_pointer
- (
- const nssASN1Encoder *encoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_initialize(&encoder_pointer_tracker);
- if( PR_SUCCESS != rv ) {
- return rv;
- }
- rv = nssPointerTracker_add(&encoder_pointer_tracker, encoder);
- if( PR_SUCCESS != rv ) {
- NSSError e = NSS_GetError();
- if( NSS_ERROR_NO_MEMORY != e ) {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- }
- return rv;
- }
- return PR_SUCCESS;
- }
- static PRStatus
- encoder_remove_pointer
- (
- const nssASN1Encoder *encoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_remove(&encoder_pointer_tracker, encoder);
- if( PR_SUCCESS != rv ) {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- }
- return rv;
- }
- /*
- * nssASN1Encoder_verify
- *
- * This routine is only available in debug builds.
- *
- * If the specified pointer is a valid pointer to an nssASN1Encoder
- * object, this routine will return PR_SUCCESS. Otherwise, it will
- * put an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_verify
- (
- nssASN1Encoder *encoder
- )
- {
- PRStatus rv;
- rv = nssPointerTracker_initialize(&encoder_pointer_tracker);
- if( PR_SUCCESS != rv ) {
- return PR_FAILURE;
- }
- rv = nssPointerTracker_verify(&encoder_pointer_tracker, encoder);
- if( PR_SUCCESS != rv ) {
- nss_SetError(NSS_ERROR_INVALID_ASN1ENCODER);
- return PR_FAILURE;
- }
- return PR_SUCCESS;
- }
- #endif /* DEBUG */
- /*
- * nssASN1Decoder_Create
- *
- * This routine creates an ASN.1 Decoder, which will use the specified
- * template to decode a datastream into the specified destination
- * structure. If the optional arena argument is non-NULL, blah blah
- * blah. XXX fgmr Should we include an nssASN1EncodingType argument,
- * as a hint? Or is each encoding distinctive? This routine may
- * return NULL upon error, in which case an error will have been
- * placed upon the error stack.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * ...
- *
- * Return value:
- * NULL upon error
- * A pointer to an ASN.1 Decoder upon success.
- */
- NSS_IMPLEMENT nssASN1Decoder *
- nssASN1Decoder_Create
- (
- NSSArena *arenaOpt,
- void *destination,
- const nssASN1Template template[]
- )
- {
- SEC_ASN1DecoderContext *rv;
- PLArenaPool *hack = (PLArenaPool *)arenaOpt;
- #ifdef DEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (nssASN1Decoder *)NULL;
- }
- }
- /*
- * May destination be NULL? I'd think so, since one might
- * have only a filter proc. But if not, check the pointer here.
- */
- if( (nssASN1Template *)NULL == template ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (nssASN1Decoder *)NULL;
- }
- #endif /* DEBUG */
- rv = SEC_ASN1DecoderStart(hack, destination, template);
- if( (SEC_ASN1DecoderContext *)NULL == rv ) {
- nss_SetError(PORT_GetError()); /* also evil */
- return (nssASN1Decoder *)NULL;
- }
- #ifdef DEBUG
- if( PR_SUCCESS != decoder_add_pointer(rv) ) {
- (void)SEC_ASN1DecoderFinish(rv);
- return (nssASN1Decoder *)NULL;
- }
- #endif /* DEBUG */
- return (nssASN1Decoder *)rv;
- }
- /*
- * nssASN1Decoder_Update
- *
- * This routine feeds data to the decoder. In the event of an error,
- * it will place an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_POINTER
- * NSS_ERROR_INVALID_ASN1DECODER
- * NSS_ERROR_INVALID_BER
- * ...
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success.
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_Update
- (
- nssASN1Decoder *decoder,
- const void *data,
- PRUint32 amount
- )
- {
- PRStatus rv;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- if( (void *)NULL == data ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- rv = SEC_ASN1DecoderUpdate((SEC_ASN1DecoderContext *)decoder,
- (const char *)data,
- (unsigned long)amount);
- if( PR_SUCCESS != rv ) {
- nss_SetError(PORT_GetError()); /* ugly */
- return PR_FAILURE;
- }
- return PR_SUCCESS;
- }
- /*
- * nssASN1Decoder_Finish
- *
- * This routine finishes the decoding and destroys the decoder.
- * In the event of an error, it will place an error on the error
- * stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_Finish
- (
- nssASN1Decoder *decoder
- )
- {
- PRStatus rv;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- rv = SEC_ASN1DecoderFinish((SEC_ASN1DecoderContext *)decoder);
- if( PR_SUCCESS != rv ) {
- nss_SetError(PORT_GetError()); /* ugly */
- }
- #ifdef DEBUG
- {
- PRStatus rv2 = decoder_remove_pointer(decoder);
- if( PR_SUCCESS == rv ) {
- rv = rv2;
- }
- }
- #endif /* DEBUG */
- return rv;
- }
- /*
- * nssASN1Decoder_SetFilter
- *
- * This routine registers a callback filter routine with the decoder,
- * which will be called blah blah blah. The specified argument will
- * be passed as-is to the filter routine. The routine pointer may
- * be NULL, in which case no filter callback will be called. If the
- * noStore boolean is PR_TRUE, then decoded fields will not be stored
- * in the destination structure specified when the decoder was
- * created. This routine returns a PRStatus value; in the event of
- * an error, it will place an error on the error stack and return
- * PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_SetFilter
- (
- nssASN1Decoder *decoder,
- nssASN1DecoderFilterFunction *callback,
- void *argument,
- PRBool noStore
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1DecoderFilterFunction *)NULL == callback ) {
- SEC_ASN1DecoderClearFilterProc((SEC_ASN1DecoderContext *)decoder);
- } else {
- SEC_ASN1DecoderSetFilterProc((SEC_ASN1DecoderContext *)decoder,
- (SEC_ASN1WriteProc)callback,
- argument, noStore);
- }
- /* No error returns defined for those routines */
- return PR_SUCCESS;
- }
- /*
- * nssASN1Decoder_GetFilter
- *
- * If the optional pCallbackOpt argument to this routine is non-null,
- * then the pointer to any callback function established for this
- * decoder with nssASN1Decoder_SetFilter will be stored at the
- * location indicated by it. If the optional pArgumentOpt
- * pointer is non-null, the filter's closure argument will be stored
- * there. If the optional pNoStoreOpt pointer is non-null, the
- * noStore value specified when setting the filter will be stored
- * there. This routine returns a PRStatus value; in the event of
- * an error it will place an error on the error stack and return
- * PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- extern const NSSError NSS_ERROR_INTERNAL_ERROR;
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_GetFilter
- (
- nssASN1Decoder *decoder,
- nssASN1DecoderFilterFunction **pCallbackOpt,
- void **pArgumentOpt,
- PRBool *pNoStoreOpt
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1DecoderFilterFunction **)NULL != pCallbackOpt ) {
- *pCallbackOpt = (nssASN1DecoderFilterFunction *)NULL;
- }
- if( (void **)NULL != pArgumentOpt ) {
- *pArgumentOpt = (void *)NULL;
- }
- if( (PRBool *)NULL != pNoStoreOpt ) {
- *pNoStoreOpt = PR_FALSE;
- }
- /* Error because it's unimplemented */
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FAILURE;
- }
- /*
- * nssASN1Decoder_SetNotify
- *
- * This routine registers a callback notify routine with the decoder,
- * which will be called whenever.. The specified argument will be
- * passed as-is to the notify routine. The routine pointer may be
- * NULL, in which case no notify routine will be called. This routine
- * returns a PRStatus value; in the event of an error it will place
- * an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_SetNotify
- (
- nssASN1Decoder *decoder,
- nssASN1NotifyFunction *callback,
- void *argument
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1NotifyFunction *)NULL == callback ) {
- SEC_ASN1DecoderClearNotifyProc((SEC_ASN1DecoderContext *)decoder);
- } else {
- SEC_ASN1DecoderSetNotifyProc((SEC_ASN1DecoderContext *)decoder,
- (SEC_ASN1NotifyProc)callback,
- argument);
- }
- /* No error returns defined for those routines */
- return PR_SUCCESS;
- }
- /*
- * nssASN1Decoder_GetNotify
- *
- * If the optional pCallbackOpt argument to this routine is non-null,
- * then the pointer to any callback function established for this
- * decoder with nssASN1Decoder_SetNotify will be stored at the
- * location indicated by it. If the optional pArgumentOpt pointer is
- * non-null, the filter's closure argument will be stored there.
- * This routine returns a PRStatus value; in the event of an error it
- * will place an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Decoder_GetNotify
- (
- nssASN1Decoder *decoder,
- nssASN1NotifyFunction **pCallbackOpt,
- void **pArgumentOpt
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Decoder_verify(decoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1NotifyFunction **)NULL != pCallbackOpt ) {
- *pCallbackOpt = (nssASN1NotifyFunction *)NULL;
- }
- if( (void **)NULL != pArgumentOpt ) {
- *pArgumentOpt = (void *)NULL;
- }
- /* Error because it's unimplemented */
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FAILURE;
- }
- /*
- * nssASN1_Decode
- *
- * This routine will decode the specified data into the specified
- * destination structure, as specified by the specified template.
- * This routine returns a PRStatus value; in the event of an error
- * it will place an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * NSS_ERROR_INVALID_BER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1_Decode
- (
- NSSArena *arenaOpt,
- void *destination,
- const nssASN1Template template[],
- const void *berData,
- PRUint32 amount
- )
- {
- PRStatus rv;
- nssASN1Decoder *decoder;
- /* This call will do our pointer-checking for us! */
- decoder = nssASN1Decoder_Create(arenaOpt, destination, template);
- if( (nssASN1Decoder *)NULL == decoder ) {
- return PR_FAILURE;
- }
- rv = nssASN1Decoder_Update(decoder, berData, amount);
- if( PR_SUCCESS != nssASN1Decoder_Finish(decoder) ) {
- rv = PR_FAILURE;
- }
- return rv;
- }
- /*
- * nssASN1_DecodeBER
- *
- * This routine will decode the data in the specified NSSBER
- * into the destination structure, as specified by the template.
- * This routine returns a PRStatus value; in the event of an error
- * it will place an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * NSS_ERROR_INVALID_NSSBER
- * NSS_ERROR_INVALID_BER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1_DecodeBER
- (
- NSSArena *arenaOpt,
- void *destination,
- const nssASN1Template template[],
- const NSSBER *data
- )
- {
- return nssASN1_Decode(arenaOpt, destination, template,
- data->data, data->size);
- }
- /*
- * nssASN1Encoder_Create
- *
- * This routine creates an ASN.1 Encoder, blah blah blah. This
- * may return NULL upon error, in which case an error will have been
- * placed on the error stack.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * ...
- *
- * Return value:
- * NULL upon error
- * A pointer to an ASN.1 Encoder upon success
- */
- NSS_IMPLEMENT nssASN1Encoder *
- nssASN1Encoder_Create
- (
- const void *source,
- const nssASN1Template template[],
- NSSASN1EncodingType encoding,
- nssASN1EncoderWriteFunction *sink,
- void *argument
- )
- {
- SEC_ASN1EncoderContext *rv;
- #ifdef DEBUG
- if( (void *)NULL == source ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (nssASN1Encoder *)NULL;
- }
- if( (nssASN1Template *)NULL == template ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (nssASN1Encoder *)NULL;
- }
- if( (nssASN1EncoderWriteFunction *)NULL == sink ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (nssASN1Encoder *)NULL;
- }
- #endif /* DEBUG */
- switch( encoding ) {
- case NSSASN1BER:
- case NSSASN1DER:
- break;
- case NSSASN1CER:
- case NSSASN1LWER:
- case NSSASN1PER:
- case NSSASN1UnknownEncoding:
- default:
- nss_SetError(NSS_ERROR_ENCODING_NOT_SUPPORTED);
- return (nssASN1Encoder *)NULL;
- }
- rv = SEC_ASN1EncoderStart((void *)source, template,
- (SEC_ASN1WriteProc)sink, argument);
- if( (SEC_ASN1EncoderContext *)NULL == rv ) {
- nss_SetError(PORT_GetError()); /* ugly */
- return (nssASN1Encoder *)NULL;
- }
- if( NSSASN1DER == encoding ) {
- sec_ASN1EncoderSetDER(rv);
- }
- #ifdef DEBUG
- if( PR_SUCCESS != encoder_add_pointer(rv) ) {
- (void)SEC_ASN1EncoderFinish(rv);
- return (nssASN1Encoder *)NULL;
- }
- #endif /* DEBUG */
- return (nssASN1Encoder *)rv;
- }
- /*
- * nssASN1Encoder_Update
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- * NSS_ERROR_INVALID_POINTER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_Update
- (
- nssASN1Encoder *encoder,
- const void *data,
- PRUint32 length
- )
- {
- PRStatus rv;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- /*
- * Can data legitimately be NULL? If not, verify..
- */
- #endif /* DEBUG */
- rv = SEC_ASN1EncoderUpdate((SEC_ASN1EncoderContext *)encoder,
- (const char *)data,
- (unsigned long)length);
- if( PR_SUCCESS != rv ) {
- nss_SetError(PORT_GetError()); /* ugly */
- return PR_FAILURE;
- }
- return PR_SUCCESS;
- }
- /*
- * nssASN1Encoder_Finish
- *
- * Destructor.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_Finish
- (
- nssASN1Encoder *encoder
- )
- {
- PRStatus rv;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- SEC_ASN1EncoderFinish((SEC_ASN1EncoderContext *)encoder);
- rv = PR_SUCCESS; /* no error return defined for that call */
- #ifdef DEBUG
- {
- PRStatus rv2 = encoder_remove_pointer(encoder);
- if( PR_SUCCESS == rv ) {
- rv = rv2;
- }
- }
- #endif /* DEBUG */
- return rv;
- }
- /*
- * nssASN1Encoder_SetNotify
- *
- * This routine registers a callback notify routine with the encoder,
- * which will be called whenever.. The specified argument will be
- * passed as-is to the notify routine. The routine pointer may be
- * NULL, in which case no notify routine will be called. This routine
- * returns a PRStatus value; in the event of an error it will place
- * an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1DECODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_SetNotify
- (
- nssASN1Encoder *encoder,
- nssASN1NotifyFunction *callback,
- void *argument
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1NotifyFunction *)NULL == callback ) {
- SEC_ASN1EncoderClearNotifyProc((SEC_ASN1EncoderContext *)encoder);
- } else {
- SEC_ASN1EncoderSetNotifyProc((SEC_ASN1EncoderContext *)encoder,
- (SEC_ASN1NotifyProc)callback,
- argument);
- }
- /* no error return defined for those routines */
- return PR_SUCCESS;
- }
- /*
- * nssASN1Encoder_GetNotify
- *
- * If the optional pCallbackOpt argument to this routine is non-null,
- * then the pointer to any callback function established for this
- * decoder with nssASN1Encoder_SetNotify will be stored at the
- * location indicated by it. If the optional pArgumentOpt pointer is
- * non-null, the filter's closure argument will be stored there.
- * This routine returns a PRStatus value; in the event of an error it
- * will place an error on the error stack and return PR_FAILURE.
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_GetNotify
- (
- nssASN1Encoder *encoder,
- nssASN1NotifyFunction **pCallbackOpt,
- void **pArgumentOpt
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (nssASN1NotifyFunction **)NULL != pCallbackOpt ) {
- *pCallbackOpt = (nssASN1NotifyFunction *)NULL;
- }
- if( (void **)NULL != pArgumentOpt ) {
- *pArgumentOpt = (void *)NULL;
- }
- /* Error because it's unimplemented */
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FAILURE;
- }
- /*
- * nssASN1Encoder_SetStreaming
- *
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_SetStreaming
- (
- nssASN1Encoder *encoder,
- PRBool streaming
- )
- {
- SEC_ASN1EncoderContext *cx = (SEC_ASN1EncoderContext *)encoder;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( streaming ) {
- SEC_ASN1EncoderSetStreaming(cx);
- } else {
- SEC_ASN1EncoderClearStreaming(cx);
- }
- /* no error return defined for those routines */
- return PR_SUCCESS;
- }
- /*
- * nssASN1Encoder_GetStreaming
- *
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- * NSS_ERROR_INVALID_POINTER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_EXTERN PRStatus
- nssASN1Encoder_GetStreaming
- (
- nssASN1Encoder *encoder,
- PRBool *pStreaming
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (PRBool *)NULL != pStreaming ) {
- *pStreaming = PR_FALSE;
- }
- /* Error because it's unimplemented */
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FAILURE;
- }
- /*
- * nssASN1Encoder_SetTakeFromBuffer
- *
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_SetTakeFromBuffer
- (
- nssASN1Encoder *encoder,
- PRBool takeFromBuffer
- )
- {
- SEC_ASN1EncoderContext *cx = (SEC_ASN1EncoderContext *)encoder;
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( takeFromBuffer ) {
- SEC_ASN1EncoderSetTakeFromBuf(cx);
- } else {
- SEC_ASN1EncoderClearTakeFromBuf(cx);
- }
- /* no error return defined for those routines */
- return PR_SUCCESS;
- }
- /*
- * nssASN1Encoder_GetTakeFromBuffer
- *
- *
- * The error may be one of the following values:
- * NSS_ERROR_INVALID_ASN1ENCODER
- * NSS_ERROR_INVALID_POINTER
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1Encoder_GetTakeFromBuffer
- (
- nssASN1Encoder *encoder,
- PRBool *pTakeFromBuffer
- )
- {
- #ifdef DEBUG
- if( PR_SUCCESS != nssASN1Encoder_verify(encoder) ) {
- return PR_FAILURE;
- }
- #endif /* DEBUG */
- if( (PRBool *)NULL != pTakeFromBuffer ) {
- *pTakeFromBuffer = PR_FALSE;
- }
- /* Error because it's unimplemented */
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FAILURE;
- }
- /*
- * nssASN1_Encode
- *
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * NSS_ERROR_ENCODING_NOT_SUPPORTED
- * ...
- *
- * Return value:
- * PR_FAILURE upon error
- * PR_SUCCESS upon success
- */
- NSS_IMPLEMENT PRStatus
- nssASN1_Encode
- (
- const void *source,
- const nssASN1Template template[],
- NSSASN1EncodingType encoding,
- nssASN1EncoderWriteFunction *sink,
- void *argument
- )
- {
- PRStatus rv;
- nssASN1Encoder *encoder;
- encoder = nssASN1Encoder_Create(source, template, encoding, sink, argument);
- if( (nssASN1Encoder *)NULL == encoder ) {
- return PR_FAILURE;
- }
- rv = nssASN1Encoder_Update(encoder, (const void *)NULL, 0);
- if( PR_SUCCESS != nssASN1Encoder_Finish(encoder) ) {
- rv = PR_FAILURE;
- }
- return rv;
- }
- /*
- * nssasn1_encode_item_count
- *
- * This is a helper function for nssASN1_EncodeItem. It just counts
- * up the space required for an encoding.
- */
- static void
- nssasn1_encode_item_count
- (
- void *arg,
- const char *buf,
- unsigned long len,
- int depth,
- nssASN1EncodingPart data_kind
- )
- {
- unsigned long *count;
- count = (unsigned long*)arg;
- PR_ASSERT (count != NULL);
- *count += len;
- }
- /*
- * nssasn1_encode_item_store
- *
- * This is a helper function for nssASN1_EncodeItem. It appends the
- * new data onto the destination item.
- */
- static void
- nssasn1_encode_item_store
- (
- void *arg,
- const char *buf,
- unsigned long len,
- int depth,
- nssASN1EncodingPart data_kind
- )
- {
- NSSItem *dest;
- dest = (NSSItem*)arg;
- PR_ASSERT (dest != NULL);
- memcpy((unsigned char *)dest->data + dest->size, buf, len);
- dest->size += len;
- }
- /*
- * nssASN1_EncodeItem
- *
- * There must be a better name. If the optional arena argument is
- * non-null, it'll be used for the space. If the optional rvOpt is
- * non-null, it'll be the return value-- if it is null, a new one
- * will be allocated.
- *
- * The error may be one of the following values:
- * NSS_ERROR_NO_MEMORY
- * NSS_ERROR_INVALID_ARENA
- * NSS_ERROR_INVALID_POINTER
- * NSS_ERROR_ENCODING_NOT_SUPPORTED
- *
- * Return value:
- * NULL upon error
- * A valid pointer to an NSSDER upon success
- */
- NSS_IMPLEMENT NSSDER *
- nssASN1_EncodeItem
- (
- NSSArena *arenaOpt,
- NSSDER *rvOpt,
- const void *source,
- const nssASN1Template template[],
- NSSASN1EncodingType encoding
- )
- {
- PLArenaPool *hack = (PLArenaPool *)arenaOpt;
- NSSDER *rv;
- PRUint32 len = 0;
- PRStatus status;
- #ifdef DEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSDER *)NULL;
- }
- }
- if( (void *)NULL == source ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (NSSDER *)NULL;
- }
- if( (nssASN1Template *)NULL == template ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (NSSDER *)NULL;
- }
- #endif /* DEBUG */
- status = nssASN1_Encode(source, template, encoding,
- (nssASN1EncoderWriteFunction *)nssasn1_encode_item_count,
- &len);
- if( PR_SUCCESS != status ) {
- return (NSSDER *)NULL;
- }
- if( (NSSDER *)NULL == rvOpt ) {
- rv = nss_ZNEW(arenaOpt, NSSDER);
- if( (NSSDER *)NULL == rv ) {
- return (NSSDER *)NULL;
- }
- } else {
- rv = rvOpt;
- }
- rv->size = len;
- rv->data = nss_ZAlloc(arenaOpt, len);
- if( (void *)NULL == rv->data ) {
- if( (NSSDER *)NULL == rvOpt ) {
- nss_ZFreeIf(rv);
- }
- return (NSSDER *)NULL;
- }
- rv->size = 0; /* for nssasn1_encode_item_store */
- status = nssASN1_Encode(source, template, encoding,
- (nssASN1EncoderWriteFunction *)nssasn1_encode_item_store,
- rv);
- if( PR_SUCCESS != status ) {
- nss_ZFreeIf(rv->data);
- if( (NSSDER *)NULL == rvOpt ) {
- nss_ZFreeIf(rv);
- }
- return (NSSDER *)NULL;
- }
- PR_ASSERT(rv->size == len);
- return rv;
- }
- /*
- * nssASN1_CreatePRUint32FromBER
- *
- */
- NSS_IMPLEMENT PRStatus
- nssASN1_CreatePRUint32FromBER
- (
- NSSBER *encoded,
- PRUint32 *pResult
- )
- {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FALSE;
- }
- /*
- * nssASN1_GetDERFromPRUint32
- *
- */
- NSS_EXTERN NSSDER *
- nssASN1_GetDERFromPRUint32
- (
- NSSArena *arenaOpt,
- NSSDER *rvOpt,
- PRUint32 value
- )
- {
- NSSDER *rv;
- PLArenaPool *hack = (PLArenaPool *)arenaOpt;
- SECItem *item;
- #ifdef DEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSDER *)NULL;
- }
- }
- #endif /* DEBUG */
- if( (NSSDER *)NULL == rvOpt ) {
- rv = nss_ZNEW(arenaOpt, NSSDER);
- if( (NSSDER *)NULL == rv ) {
- return (NSSDER *)NULL;
- }
- } else {
- rv = rvOpt;
- }
- item = SEC_ASN1EncodeUnsignedInteger(hack, (SECItem *)rv, value);
- if( (SECItem *)NULL == item ) {
- if( (NSSDER *)NULL == rvOpt ) {
- (void)nss_ZFreeIf(rv);
- }
- nss_SetError(PORT_GetError()); /* ugly */
- return (NSSDER *)NULL;
- }
- /*
- * I happen to know that these things look alike.. but I'm only
- * doing it for these "temporary" wrappers. This is an evil thing.
- */
- return (NSSDER *)item;
- }
- /*himom*/
- NSS_IMPLEMENT PRStatus
- nssASN1_CreatePRInt32FromBER
- (
- NSSBER *encoded,
- PRInt32 *pResult
- )
- {
- nss_SetError(NSS_ERROR_INTERNAL_ERROR);
- return PR_FALSE;
- }
- /*
- * nssASN1_GetDERFromPRInt32
- *
- */
- NSS_IMPLEMENT NSSDER *
- nssASN1_GetDERFromPRInt32
- (
- NSSArena *arenaOpt,
- NSSDER *rvOpt,
- PRInt32 value
- )
- {
- NSSDER *rv;
- PLArenaPool *hack = (PLArenaPool *)arenaOpt;
- SECItem *item;
- #ifdef DEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSDER *)NULL;
- }
- }
- #endif /* DEBUG */
- if( (NSSDER *)NULL == rvOpt ) {
- rv = nss_ZNEW(arenaOpt, NSSDER);
- if( (NSSDER *)NULL == rv ) {
- return (NSSDER *)NULL;
- }
- } else {
- rv = rvOpt;
- }
- item = SEC_ASN1EncodeInteger(hack, (SECItem *)rv, value);
- if( (SECItem *)NULL == item ) {
- if( (NSSDER *)NULL == rvOpt ) {
- (void)nss_ZFreeIf(rv);
- }
- nss_SetError(PORT_GetError()); /* ugly */
- return (NSSDER *)NULL;
- }
- /*
- * I happen to know that these things look alike.. but I'm only
- * doing it for these "temporary" wrappers. This is an evil thing.
- */
- return (NSSDER *)item;
- }
- /*
- * Generic Templates
- * One for each of the simple types, plus a special one for ANY, plus:
- * - a pointer to each one of those
- * - a set of each one of those
- *
- * Note that these are alphabetical (case insensitive); please add new
- * ones in the appropriate place.
- */
- const nssASN1Template *nssASN1Template_Any = (nssASN1Template *)SEC_AnyTemplate;
- const nssASN1Template *nssASN1Template_BitString = (nssASN1Template *)SEC_BitStringTemplate;
- const nssASN1Template *nssASN1Template_BMPString = (nssASN1Template *)SEC_BMPStringTemplate;
- const nssASN1Template *nssASN1Template_Boolean = (nssASN1Template *)SEC_BooleanTemplate;
- const nssASN1Template *nssASN1Template_Enumerated = (nssASN1Template *)SEC_EnumeratedTemplate;
- const nssASN1Template *nssASN1Template_GeneralizedTime = (nssASN1Template *)SEC_GeneralizedTimeTemplate;
- const nssASN1Template *nssASN1Template_IA5String = (nssASN1Template *)SEC_IA5StringTemplate;
- const nssASN1Template *nssASN1Template_Integer = (nssASN1Template *)SEC_IntegerTemplate;
- const nssASN1Template *nssASN1Template_Null = (nssASN1Template *)SEC_NullTemplate;
- const nssASN1Template *nssASN1Template_ObjectID = (nssASN1Template *)SEC_ObjectIDTemplate;
- const nssASN1Template *nssASN1Template_OctetString = (nssASN1Template *)SEC_OctetStringTemplate;
- const nssASN1Template *nssASN1Template_PrintableString = (nssASN1Template *)SEC_PrintableStringTemplate;
- const nssASN1Template *nssASN1Template_T61String = (nssASN1Template *)SEC_T61StringTemplate;
- const nssASN1Template *nssASN1Template_UniversalString = (nssASN1Template *)SEC_UniversalStringTemplate;
- const nssASN1Template *nssASN1Template_UTCTime = (nssASN1Template *)SEC_UTCTimeTemplate;
- const nssASN1Template *nssASN1Template_UTF8String = (nssASN1Template *)SEC_UTF8StringTemplate;
- const nssASN1Template *nssASN1Template_VisibleString = (nssASN1Template *)SEC_VisibleStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToAny = (nssASN1Template *)SEC_PointerToAnyTemplate;
- const nssASN1Template *nssASN1Template_PointerToBitString = (nssASN1Template *)SEC_PointerToBitStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToBMPString = (nssASN1Template *)SEC_PointerToBMPStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToBoolean = (nssASN1Template *)SEC_PointerToBooleanTemplate;
- const nssASN1Template *nssASN1Template_PointerToEnumerated = (nssASN1Template *)SEC_PointerToEnumeratedTemplate;
- const nssASN1Template *nssASN1Template_PointerToGeneralizedTime = (nssASN1Template *)SEC_PointerToGeneralizedTimeTemplate;
- const nssASN1Template *nssASN1Template_PointerToIA5String = (nssASN1Template *)SEC_PointerToIA5StringTemplate;
- const nssASN1Template *nssASN1Template_PointerToInteger = (nssASN1Template *)SEC_PointerToIntegerTemplate;
- const nssASN1Template *nssASN1Template_PointerToNull = (nssASN1Template *)SEC_PointerToNullTemplate;
- const nssASN1Template *nssASN1Template_PointerToObjectID = (nssASN1Template *)SEC_PointerToObjectIDTemplate;
- const nssASN1Template *nssASN1Template_PointerToOctetString = (nssASN1Template *)SEC_PointerToOctetStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToPrintableString = (nssASN1Template *)SEC_PointerToPrintableStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToT61String = (nssASN1Template *)SEC_PointerToT61StringTemplate;
- const nssASN1Template *nssASN1Template_PointerToUniversalString = (nssASN1Template *)SEC_PointerToUniversalStringTemplate;
- const nssASN1Template *nssASN1Template_PointerToUTCTime = (nssASN1Template *)SEC_PointerToUTCTimeTemplate;
- const nssASN1Template *nssASN1Template_PointerToUTF8String = (nssASN1Template *)SEC_PointerToUTF8StringTemplate;
- const nssASN1Template *nssASN1Template_PointerToVisibleString = (nssASN1Template *)SEC_PointerToVisibleStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfAny = (nssASN1Template *)SEC_SetOfAnyTemplate;
- const nssASN1Template *nssASN1Template_SetOfBitString = (nssASN1Template *)SEC_SetOfBitStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfBMPString = (nssASN1Template *)SEC_SetOfBMPStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfBoolean = (nssASN1Template *)SEC_SetOfBooleanTemplate;
- const nssASN1Template *nssASN1Template_SetOfEnumerated = (nssASN1Template *)SEC_SetOfEnumeratedTemplate;
- const nssASN1Template *nssASN1Template_SetOfGeneralizedTime = (nssASN1Template *)SEC_SetOfGeneralizedTimeTemplate;
- const nssASN1Template *nssASN1Template_SetOfIA5String = (nssASN1Template *)SEC_SetOfIA5StringTemplate;
- const nssASN1Template *nssASN1Template_SetOfInteger = (nssASN1Template *)SEC_SetOfIntegerTemplate;
- const nssASN1Template *nssASN1Template_SetOfNull = (nssASN1Template *)SEC_SetOfNullTemplate;
- const nssASN1Template *nssASN1Template_SetOfObjectID = (nssASN1Template *)SEC_SetOfObjectIDTemplate;
- const nssASN1Template *nssASN1Template_SetOfOctetString = (nssASN1Template *)SEC_SetOfOctetStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfPrintableString = (nssASN1Template *)SEC_SetOfPrintableStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfT61String = (nssASN1Template *)SEC_SetOfT61StringTemplate;
- const nssASN1Template *nssASN1Template_SetOfUniversalString = (nssASN1Template *)SEC_SetOfUniversalStringTemplate;
- const nssASN1Template *nssASN1Template_SetOfUTCTime = (nssASN1Template *)SEC_SetOfUTCTimeTemplate;
- const nssASN1Template *nssASN1Template_SetOfUTF8String = (nssASN1Template *)SEC_SetOfUTF8StringTemplate;
- const nssASN1Template *nssASN1Template_SetOfVisibleString = (nssASN1Template *)SEC_SetOfVisibleStringTemplate;
- /*
- *
- */
- NSS_IMPLEMENT NSSUTF8 *
- nssUTF8_CreateFromBER
- (
- NSSArena *arenaOpt,
- nssStringType type,
- NSSBER *berData
- )
- {
- NSSUTF8 *rv = NULL;
- PRUint8 tag;
- NSSArena *a;
- NSSItem in;
- NSSItem out;
- PRStatus st;
- const nssASN1Template *templ;
- #ifdef NSSDEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSUTF8 *)NULL;
- }
- }
- if( (NSSBER *)NULL == berData ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (NSSUTF8 *)NULL;
- }
- if( (void *)NULL == berData->data ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (NSSUTF8 *)NULL;
- }
- #endif /* NSSDEBUG */
- a = NSSArena_Create();
- if( (NSSArena *)NULL == a ) {
- return (NSSUTF8 *)NULL;
- }
- in = *berData;
- /*
- * By the way, at first I succumbed to the temptation to make
- * this an incestuous nested switch statement. Count yourself
- * lucky I cleaned it up.
- */
- switch( type ) {
- case nssStringType_DirectoryString:
- /*
- * draft-ietf-pkix-ipki-part1-11 says in part:
- *
- * DirectoryString { INTEGER:maxSize } ::= CHOICE {
- * teletexString TeletexString (SIZE (1..maxSize)),
- * printableString PrintableString (SIZE (1..maxSize)),
- * universalString UniversalString (SIZE (1..maxSize)),
- * bmpString BMPString (SIZE(1..maxSize)),
- * utf8String UTF8String (SIZE(1..maxSize))
- * }
- *
- * The tags are:
- * TeletexString UNIVERSAL 20
- * PrintableString UNIVERSAL 19
- * UniversalString UNIVERSAL 28
- * BMPString UNIVERSAL 30
- * UTF8String UNIVERSAL 12
- *
- * "UNIVERSAL" tags have bits 8 and 7 zero, bit 6 is zero for
- * primitive encodings, and if the tag value is less than 30,
- * the tag value is directly encoded in bits 5 through 1.
- */
- in.data = (void *)&(((PRUint8 *)berData->data)[1]);
- in.size = berData->size-1;
-
- tag = *(PRUint8 *)berData->data;
- switch( tag & nssASN1_TAGNUM_MASK ) {
- case 20:
- /*
- * XXX fgmr-- we have to accept Latin-1 for Teletex; (see
- * below) but is T61 a suitable value for "Latin-1"?
- */
- templ = nssASN1Template_T61String;
- type = nssStringType_TeletexString;
- break;
- case 19:
- templ = nssASN1Template_PrintableString;
- type = nssStringType_PrintableString;
- break;
- case 28:
- templ = nssASN1Template_UniversalString;
- type = nssStringType_UniversalString;
- break;
- case 30:
- templ = nssASN1Template_BMPString;
- type = nssStringType_BMPString;
- break;
- case 12:
- templ = nssASN1Template_UTF8String;
- type = nssStringType_UTF8String;
- break;
- default:
- nss_SetError(NSS_ERROR_INVALID_POINTER); /* "pointer"? */
- (void)NSSArena_Destroy(a);
- return (NSSUTF8 *)NULL;
- }
- break;
- case nssStringType_TeletexString:
- /*
- * XXX fgmr-- we have to accept Latin-1 for Teletex; (see
- * below) but is T61 a suitable value for "Latin-1"?
- */
- templ = nssASN1Template_T61String;
- break;
-
- case nssStringType_PrintableString:
- templ = nssASN1Template_PrintableString;
- break;
- case nssStringType_UniversalString:
- templ = nssASN1Template_UniversalString;
- break;
- case nssStringType_BMPString:
- templ = nssASN1Template_BMPString;
- break;
- case nssStringType_UTF8String:
- templ = nssASN1Template_UTF8String;
- break;
- case nssStringType_PHGString:
- templ = nssASN1Template_IA5String;
- break;
- default:
- nss_SetError(NSS_ERROR_UNSUPPORTED_TYPE);
- (void)NSSArena_Destroy(a);
- return (NSSUTF8 *)NULL;
- }
-
- st = nssASN1_DecodeBER(a, &out, templ, &in);
-
- if( PR_SUCCESS == st ) {
- rv = nssUTF8_Create(arenaOpt, type, out.data, out.size);
- }
- (void)NSSArena_Destroy(a);
-
- return rv;
- }
- NSS_EXTERN NSSDER *
- nssUTF8_GetDEREncoding
- (
- NSSArena *arenaOpt,
- nssStringType type,
- const NSSUTF8 *string
- )
- {
- NSSDER *rv = (NSSDER *)NULL;
- NSSItem str;
- NSSDER *der;
- const nssASN1Template *templ;
- NSSArena *a;
- #ifdef NSSDEBUG
- if( (NSSArena *)NULL != arenaOpt ) {
- if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
- return (NSSDER *)NULL;
- }
- }
- if( (const NSSUTF8 *)NULL == string ) {
- nss_SetError(NSS_ERROR_INVALID_POINTER);
- return (NSSDER *)NULL;
- }
- #endif /* NSSDEBUG */
- str.data = (void *)string;
- str.size = nssUTF8_Size(string, (PRStatus *)NULL);
- if( 0 == str.size ) {
- return (NSSDER *)NULL;
- }
- a = NSSArena_Create();
- if( (NSSArena *)NULL == a ) {
- return (NSSDER *)NULL;
- }
- switch( type ) {
- case nssStringType_DirectoryString:
- {
- NSSDER *utf;
- PRUint8 *c;
- utf = nssASN1_EncodeItem(a, (NSSDER *)NULL, &str,
- nssASN1Template_UTF8String,
- NSSASN1DER);
- if( (NSSDER *)NULL == utf ) {
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
- rv = nss_ZNEW(arenaOpt, NSSDER);
- if( (NSSDER *)NULL == rv ) {
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
- rv->size = utf->size + 1;
- rv->data = nss_ZAlloc(arenaOpt, rv->size);
- if( (void *)NULL == rv->data ) {
- (void)nss_ZFreeIf(rv);
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
-
- c = (PRUint8 *)rv->data;
- (void)nsslibc_memcpy(&c[1], utf->data, utf->size);
- *c = 12; /* UNIVERSAL primitive encoding tag for UTF8String */
- (void)NSSArena_Destroy(a);
- return rv;
- }
- case nssStringType_TeletexString:
- /*
- * XXX fgmr-- we have to accept Latin-1 for Teletex; (see
- * below) but is T61 a suitable value for "Latin-1"?
- */
- templ = nssASN1Template_T61String;
- break;
- case nssStringType_PrintableString:
- templ = nssASN1Template_PrintableString;
- break;
- case nssStringType_UniversalString:
- templ = nssASN1Template_UniversalString;
- break;
- case nssStringType_BMPString:
- templ = nssASN1Template_BMPString;
- break;
- case nssStringType_UTF8String:
- templ = nssASN1Template_UTF8String;
- break;
- case nssStringType_PHGString:
- templ = nssASN1Template_IA5String;
- break;
- default:
- nss_SetError(NSS_ERROR_UNSUPPORTED_TYPE);
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
- der = nssUTF8_GetDEREncoding(a, type, string);
- if( (NSSItem *)NULL == der ) {
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
- rv = nssASN1_EncodeItem(arenaOpt, (NSSDER *)NULL, der, templ, NSSASN1DER);
- if( (NSSDER *)NULL == rv ) {
- (void)NSSArena_Destroy(a);
- return (NSSDER *)NULL;
- }
- (void)NSSArena_Destroy(a);
- return rv;
- }