diff options
Diffstat (limited to 'security/nss/lib/crmf/crmfdec.c')
| -rw-r--r-- | security/nss/lib/crmf/crmfdec.c | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/security/nss/lib/crmf/crmfdec.c b/security/nss/lib/crmf/crmfdec.c deleted file mode 100644 index cce945e6d..000000000 --- a/security/nss/lib/crmf/crmfdec.c +++ /dev/null @@ -1,380 +0,0 @@ -/* -*- Mode: C; tab-width: 8 -*-*/ -/* - * 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. - */ - - -#include "crmf.h" -#include "crmfi.h" -#include "secitem.h" - -static CRMFPOPChoice -crmf_get_popchoice_from_der(SECItem *derPOP) -{ - CRMFPOPChoice retChoice; - - switch (derPOP->data[0] & 0x0f) { - case 0: - retChoice = crmfRAVerified; - break; - case 1: - retChoice = crmfSignature; - break; - case 2: - retChoice = crmfKeyEncipherment; - break; - case 3: - retChoice = crmfKeyAgreement; - break; - default: - retChoice = crmfNoPOPChoice; - break; - } - return retChoice; -} - -static SECStatus -crmf_decode_process_raverified(CRMFCertReqMsg *inCertReqMsg) -{ - CRMFProofOfPossession *pop; - /* Just set up the structure so that the message structure - * looks like one that was created using the API - */ - pop = inCertReqMsg->pop; - pop->popChoice.raVerified.data = NULL; - pop->popChoice.raVerified.len = 0; - return SECSuccess; -} - -static SECStatus -crmf_decode_process_signature(CRMFCertReqMsg *inCertReqMsg) -{ - return SEC_ASN1Decode(inCertReqMsg->poolp, - &inCertReqMsg->pop->popChoice.signature, - CRMFPOPOSigningKeyTemplate, - (const char*)inCertReqMsg->derPOP.data, - inCertReqMsg->derPOP.len); -} - -static CRMFPOPOPrivKeyChoice -crmf_get_messagechoice_from_der(SECItem *derPOP) -{ - CRMFPOPOPrivKeyChoice retChoice; - - switch (derPOP->data[2] & 0x0f) { - case 0: - retChoice = crmfThisMessage; - break; - case 1: - retChoice = crmfSubsequentMessage; - break; - case 2: - retChoice = crmfDHMAC; - break; - default: - retChoice = crmfNoMessage; - } - return retChoice; -} - -static SECStatus -crmf_decode_process_popoprivkey(CRMFCertReqMsg *inCertReqMsg) -{ - /* We've got a union, so a pointer to one POPOPrivKey - * struct is the same as having a pointer to the other - * one. - */ - CRMFPOPOPrivKey *popoPrivKey = - &inCertReqMsg->pop->popChoice.keyEncipherment; - SECItem *derPOP, privKeyDer; - SECStatus rv; - - derPOP = &inCertReqMsg->derPOP; - popoPrivKey->messageChoice = crmf_get_messagechoice_from_der(derPOP); - if (popoPrivKey->messageChoice == crmfNoMessage) { - return SECFailure; - } - /* If we ever encounter BER encodings of this, we'll get in trouble*/ - switch (popoPrivKey->messageChoice) { - case crmfThisMessage: - case crmfDHMAC: - privKeyDer.data = &derPOP->data[5]; - privKeyDer.len = derPOP->len - 5; - break; - case crmfSubsequentMessage: - privKeyDer.data = &derPOP->data[4]; - privKeyDer.len = derPOP->len - 4; - break; - default: - rv = SECFailure; - } - - rv = SECITEM_CopyItem(inCertReqMsg->poolp, - &popoPrivKey->message.subsequentMessage, - &privKeyDer); - - if (rv != SECSuccess) { - return rv; - } - - if (popoPrivKey->messageChoice == crmfThisMessage || - popoPrivKey->messageChoice == crmfDHMAC) { - - popoPrivKey->message.thisMessage.len = - CRMF_BYTES_TO_BITS(privKeyDer.len) - (int)derPOP->data[4]; - - } - return SECSuccess; -} - -static SECStatus -crmf_decode_process_keyagreement(CRMFCertReqMsg *inCertReqMsg) -{ - return crmf_decode_process_popoprivkey(inCertReqMsg); -} - -static SECStatus -crmf_decode_process_keyencipherment(CRMFCertReqMsg *inCertReqMsg) -{ - SECStatus rv; - - rv = crmf_decode_process_popoprivkey(inCertReqMsg); - if (rv != SECSuccess) { - return rv; - } - if (inCertReqMsg->pop->popChoice.keyEncipherment.messageChoice == - crmfDHMAC) { - /* Key Encipherment can not use the dhMAC option for - * POPOPrivKey. - */ - return SECFailure; - } - return SECSuccess; -} - -static SECStatus -crmf_decode_process_pop(CRMFCertReqMsg *inCertReqMsg) -{ - SECItem *derPOP; - PRArenaPool *poolp; - CRMFProofOfPossession *pop; - void *mark; - SECStatus rv; - - derPOP = &inCertReqMsg->derPOP; - poolp = inCertReqMsg->poolp; - if (derPOP->data == NULL) { - /* There is no Proof of Possession field in this message. */ - return SECSuccess; - } - mark = PORT_ArenaMark(poolp); - pop = PORT_ArenaZNew(poolp, CRMFProofOfPossession); - if (pop == NULL) { - goto loser; - } - pop->popUsed = crmf_get_popchoice_from_der(derPOP); - if (pop->popUsed == crmfNoPOPChoice) { - /* A bad encoding of CRMF. Not a valid tag was given to the - * Proof Of Possession field. - */ - goto loser; - } - inCertReqMsg->pop = pop; - switch (pop->popUsed) { - case crmfRAVerified: - rv = crmf_decode_process_raverified(inCertReqMsg); - break; - case crmfSignature: - rv = crmf_decode_process_signature(inCertReqMsg); - break; - case crmfKeyEncipherment: - rv = crmf_decode_process_keyencipherment(inCertReqMsg); - break; - case crmfKeyAgreement: - rv = crmf_decode_process_keyagreement(inCertReqMsg); - break; - default: - rv = SECFailure; - } - if (rv != SECSuccess) { - goto loser; - } - PORT_ArenaUnmark(poolp, mark); - return SECSuccess; - - loser: - PORT_ArenaRelease(poolp, mark); - inCertReqMsg->pop = NULL; - return SECFailure; - -} - -static SECStatus -crmf_decode_process_single_control(PRArenaPool *poolp, - CRMFControl *inControl) -{ - const SEC_ASN1Template *asn1Template = NULL; - - inControl->tag = SECOID_FindOIDTag(&inControl->derTag); - asn1Template = crmf_get_pkiarchiveoptions_subtemplate(inControl); - - PORT_Assert (asn1Template != NULL); - /* We've got a union, so passing a pointer to one element of the - * union is the same as passing a pointer to any of the other - * members of the union. - */ - return SEC_ASN1Decode(poolp, &inControl->value.archiveOptions, - asn1Template, (const char*)inControl->derValue.data, - inControl->derValue.len); -} - -static SECStatus -crmf_decode_process_controls(CRMFCertReqMsg *inCertReqMsg) -{ - int i, numControls; - SECStatus rv; - PRArenaPool *poolp; - CRMFControl **controls; - - numControls = CRMF_CertRequestGetNumControls(inCertReqMsg->certReq); - controls = inCertReqMsg->certReq->controls; - poolp = inCertReqMsg->poolp; - for (i=0; i < numControls; i++) { - rv = crmf_decode_process_single_control(poolp, controls[i]); - if (rv != SECSuccess) { - return SECFailure; - } - } - return SECSuccess; -} - -static SECStatus -crmf_decode_process_single_reqmsg(CRMFCertReqMsg *inCertReqMsg) -{ - SECStatus rv; - - rv = crmf_decode_process_pop(inCertReqMsg); - if (rv != SECSuccess) { - goto loser; - } - - rv = crmf_decode_process_controls(inCertReqMsg); - if (rv != SECSuccess) { - goto loser; - } - inCertReqMsg->certReq->certTemplate.numExtensions = - CRMF_CertRequestGetNumberOfExtensions(inCertReqMsg->certReq); - inCertReqMsg->isDecoded = PR_TRUE; - rv = SECSuccess; - loser: - return rv; -} - -CRMFCertReqMsg* -CRMF_CreateCertReqMsgFromDER (const char * buf, long len) -{ - PRArenaPool *poolp; - CRMFCertReqMsg *certReqMsg; - SECStatus rv; - - poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE); - if (poolp == NULL) { - goto loser; - } - certReqMsg = PORT_ArenaZNew (poolp, CRMFCertReqMsg); - if (certReqMsg == NULL) { - goto loser; - } - certReqMsg->poolp = poolp; - rv = SEC_ASN1Decode(poolp, certReqMsg, CRMFCertReqMsgTemplate, buf, len); - if (rv != SECSuccess) { - goto loser; - } - - rv = crmf_decode_process_single_reqmsg(certReqMsg); - if (rv != SECSuccess) { - goto loser; - } - - return certReqMsg; - loser: - if (poolp != NULL) { - PORT_FreeArena(poolp, PR_FALSE); - } - return NULL; -} - -CRMFCertReqMessages* -CRMF_CreateCertReqMessagesFromDER(const char *buf, long len) -{ - long arenaSize; - int i; - SECStatus rv; - PRArenaPool *poolp; - CRMFCertReqMessages *certReqMsgs; - - PORT_Assert (buf != NULL); - /* Wanna make sure the arena is big enough to store all of the requests - * coming in. We'll guestimate according to the length of the buffer. - */ - arenaSize = len * 1.5; - poolp = PORT_NewArena(arenaSize); - if (poolp == NULL) { - return NULL; - } - certReqMsgs = PORT_ArenaZNew(poolp, CRMFCertReqMessages); - if (certReqMsgs == NULL) { - goto loser; - } - certReqMsgs->poolp = poolp; - rv = SEC_ASN1Decode(poolp, certReqMsgs, CRMFCertReqMessagesTemplate, - buf, len); - if (rv != SECSuccess) { - goto loser; - } - for (i=0; certReqMsgs->messages[i] != NULL; i++) { - /* The sub-routines expect the individual messages to have - * an arena. We'll give them one temporarily. - */ - certReqMsgs->messages[i]->poolp = poolp; - rv = crmf_decode_process_single_reqmsg(certReqMsgs->messages[i]); - if (rv != SECSuccess) { - goto loser; - } - certReqMsgs->messages[i]->poolp = NULL; - } - return certReqMsgs; - - loser: - PORT_FreeArena(poolp, PR_FALSE); - return NULL; -} |