mirror of
https://github.com/rn10950/RetroZilla.git
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122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* pkix_namechainingchecker.c
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*
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* Functions for name chaining validation
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*
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*/
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#include "pkix_namechainingchecker.h"
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/* --Private-Functions-------------------------------------------- */
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/*
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* FUNCTION: pkix_NameChainingChecker_Check
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* (see comments for PKIX_CertChainChecker_CheckCallback in pkix_checker.h)
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*/
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PKIX_Error *
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pkix_NameChainingChecker_Check(
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PKIX_CertChainChecker *checker,
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PKIX_PL_Cert *cert,
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PKIX_List *unresolvedCriticalExtensions,
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void **pNBIOContext,
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void *plContext)
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{
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PKIX_PL_X500Name *prevSubject = NULL;
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PKIX_PL_X500Name *currIssuer = NULL;
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PKIX_PL_X500Name *currSubject = NULL;
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PKIX_Boolean result;
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PKIX_ENTER(CERTCHAINCHECKER, "pkix_NameChainingChecker_Check");
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PKIX_NULLCHECK_THREE(checker, cert, pNBIOContext);
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*pNBIOContext = NULL; /* we never block on pending I/O */
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PKIX_CHECK(PKIX_CertChainChecker_GetCertChainCheckerState
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(checker, (PKIX_PL_Object **)&prevSubject, plContext),
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PKIX_CERTCHAINCHECKERGETCERTCHAINCHECKERSTATEFAILED);
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PKIX_CHECK(PKIX_PL_Cert_GetIssuer(cert, &currIssuer, plContext),
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PKIX_CERTGETISSUERFAILED);
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if (prevSubject){
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PKIX_CHECK(PKIX_PL_X500Name_Match
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(prevSubject, currIssuer, &result, plContext),
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PKIX_X500NAMEMATCHFAILED);
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if (!result){
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PKIX_ERROR(PKIX_NAMECHAININGCHECKFAILED);
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}
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} else {
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PKIX_ERROR(PKIX_NAMECHAININGCHECKFAILED);
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}
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PKIX_CHECK(PKIX_PL_Cert_GetSubject(cert, &currSubject, plContext),
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PKIX_CERTGETSUBJECTFAILED);
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PKIX_CHECK(PKIX_CertChainChecker_SetCertChainCheckerState
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(checker, (PKIX_PL_Object *)currSubject, plContext),
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PKIX_CERTCHAINCHECKERSETCERTCHAINCHECKERSTATEFAILED);
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cleanup:
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PKIX_DECREF(prevSubject);
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PKIX_DECREF(currIssuer);
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PKIX_DECREF(currSubject);
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PKIX_RETURN(CERTCHAINCHECKER);
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}
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/*
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* FUNCTION: pkix_NameChainingChecker_Initialize
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* DESCRIPTION:
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*
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* Creates a new CertChainChecker and stores it at "pChecker", where it will
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* be used by pkix_NameChainingChecker_Check to check that the issuer name
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* of the certificate matches the subject name in the checker's state. The
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* X500Name pointed to by "trustedCAName" is used to initialize the checker's
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* state.
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*
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* PARAMETERS:
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* "trustedCAName"
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* Address of X500Name representing the trusted CA Name used to
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* initialize the state of this checker. Must be non-NULL.
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* "pChecker"
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* Address where object pointer will be stored. Must be non-NULL.
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* "plContext"
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* Platform-specific context pointer.
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* THREAD SAFETY:
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* Thread Safe (see Thread Safety Definitions in Programmer's Guide)
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* RETURNS:
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* Returns NULL if the function succeeds.
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* Returns a CertChainChecker Error if the function fails in a non-fatal way.
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* Returns a Fatal Error if the function fails in an unrecoverable way.
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*/
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PKIX_Error *
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pkix_NameChainingChecker_Initialize(
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PKIX_PL_X500Name *trustedCAName,
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PKIX_CertChainChecker **pChecker,
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void *plContext)
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{
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PKIX_ENTER(CERTCHAINCHECKER, "PKIX_NameChainingChecker_Initialize");
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PKIX_NULLCHECK_TWO(pChecker, trustedCAName);
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PKIX_CHECK(PKIX_CertChainChecker_Create
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(pkix_NameChainingChecker_Check,
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PKIX_FALSE,
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PKIX_FALSE,
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NULL,
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(PKIX_PL_Object *)trustedCAName,
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pChecker,
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plContext),
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PKIX_CERTCHAINCHECKERCREATEFAILED);
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cleanup:
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PKIX_RETURN(CERTCHAINCHECKER);
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}
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