[337] | 1 | /* crl.c
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| 2 | *
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| 3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 |
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| 23 | /* Name change compatibility layer no longer needs included here */
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| 24 |
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| 25 | #ifdef HAVE_CONFIG_H
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| 26 | #include <config.h>
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| 27 | #endif
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| 28 |
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| 29 | #include <wolfssl/wolfcrypt/settings.h>
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| 30 |
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| 31 | #ifndef WOLFCRYPT_ONLY
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| 32 | #ifdef HAVE_CRL
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| 33 |
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| 34 | #include <wolfssl/internal.h>
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| 35 | #include <wolfssl/error-ssl.h>
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| 36 |
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| 37 | #include <string.h>
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| 38 |
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| 39 | #ifdef HAVE_CRL_MONITOR
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| 40 | #if (defined(__MACH__) || defined(__FreeBSD__) || defined(__linux__))
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| 41 | static int StopMonitor(int mfd);
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| 42 | #else
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| 43 | #error "CRL monitor only currently supported on linux or mach"
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| 44 | #endif
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| 45 | #endif /* HAVE_CRL_MONITOR */
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| 46 |
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| 47 |
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| 48 | /* Initialize CRL members */
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| 49 | int InitCRL(WOLFSSL_CRL* crl, WOLFSSL_CERT_MANAGER* cm)
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| 50 | {
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| 51 | WOLFSSL_ENTER("InitCRL");
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| 52 |
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| 53 | crl->heap = cm->heap;
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| 54 | crl->cm = cm;
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| 55 | crl->crlList = NULL;
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| 56 | crl->monitors[0].path = NULL;
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| 57 | crl->monitors[1].path = NULL;
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| 58 | #ifdef HAVE_CRL_MONITOR
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| 59 | crl->tid = 0;
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| 60 | crl->mfd = -1; /* mfd for bsd is kqueue fd, eventfd for linux */
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| 61 | crl->setup = 0; /* thread setup done predicate */
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| 62 | if (pthread_cond_init(&crl->cond, 0) != 0) {
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| 63 | WOLFSSL_MSG("Pthread condition init failed");
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| 64 | return BAD_COND_E;
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| 65 | }
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| 66 | #endif
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| 67 | if (wc_InitMutex(&crl->crlLock) != 0) {
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| 68 | WOLFSSL_MSG("Init Mutex failed");
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| 69 | return BAD_MUTEX_E;
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| 70 | }
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| 71 |
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| 72 | return 0;
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| 73 | }
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| 74 |
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| 75 |
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| 76 | /* Initialize CRL Entry */
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| 77 | static int InitCRL_Entry(CRL_Entry* crle, DecodedCRL* dcrl, const byte* buff,
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| 78 | int verified, void* heap)
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| 79 | {
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| 80 | WOLFSSL_ENTER("InitCRL_Entry");
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| 81 |
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| 82 | XMEMCPY(crle->issuerHash, dcrl->issuerHash, CRL_DIGEST_SIZE);
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| 83 | /* XMEMCPY(crle->crlHash, dcrl->crlHash, CRL_DIGEST_SIZE);
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| 84 | * copy the hash here if needed for optimized comparisons */
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| 85 | XMEMCPY(crle->lastDate, dcrl->lastDate, MAX_DATE_SIZE);
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| 86 | XMEMCPY(crle->nextDate, dcrl->nextDate, MAX_DATE_SIZE);
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| 87 | crle->lastDateFormat = dcrl->lastDateFormat;
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| 88 | crle->nextDateFormat = dcrl->nextDateFormat;
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| 89 |
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| 90 | crle->certs = dcrl->certs; /* take ownsership */
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| 91 | dcrl->certs = NULL;
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| 92 | crle->totalCerts = dcrl->totalCerts;
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| 93 | crle->verified = verified;
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| 94 | if (!verified) {
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| 95 | crle->tbsSz = dcrl->sigIndex - dcrl->certBegin;
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| 96 | crle->signatureSz = dcrl->sigLength;
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| 97 | crle->signatureOID = dcrl->signatureOID;
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| 98 | crle->toBeSigned = (byte*)XMALLOC(crle->tbsSz, heap,
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| 99 | DYNAMIC_TYPE_CRL_ENTRY);
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| 100 | if (crle->toBeSigned == NULL)
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| 101 | return -1;
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| 102 | crle->signature = (byte*)XMALLOC(crle->signatureSz, heap,
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| 103 | DYNAMIC_TYPE_CRL_ENTRY);
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| 104 | if (crle->signature == NULL) {
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| 105 | XFREE(crle->toBeSigned, heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 106 | return -1;
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| 107 | }
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| 108 | XMEMCPY(crle->toBeSigned, buff + dcrl->certBegin, crle->tbsSz);
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| 109 | XMEMCPY(crle->signature, dcrl->signature, crle->signatureSz);
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| 110 | #if !defined(NO_SKID) && defined(CRL_SKID_READY)
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| 111 | crle->extAuthKeyIdSet = dcrl->extAuthKeyIdSet;
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| 112 | if (crle->extAuthKeyIdSet)
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| 113 | XMEMCPY(crle->extAuthKeyId, dcrl->extAuthKeyId, KEYID_SIZE);
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| 114 | #endif
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| 115 | }
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| 116 | else {
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| 117 | crle->toBeSigned = NULL;
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| 118 | crle->signature = NULL;
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| 119 | }
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| 120 |
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| 121 | (void)verified;
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| 122 |
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| 123 | return 0;
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| 124 | }
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| 125 |
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| 126 |
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| 127 | /* Free all CRL Entry resources */
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| 128 | static void FreeCRL_Entry(CRL_Entry* crle, void* heap)
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| 129 | {
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| 130 | RevokedCert* tmp = crle->certs;
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| 131 | RevokedCert* next;
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| 132 |
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| 133 | WOLFSSL_ENTER("FreeCRL_Entry");
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| 134 |
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| 135 | while (tmp) {
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| 136 | next = tmp->next;
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| 137 | XFREE(tmp, heap, DYNAMIC_TYPE_REVOKED);
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| 138 | tmp = next;
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| 139 | }
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| 140 | if (crle->signature != NULL)
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| 141 | XFREE(crle->signature, heap, DYNAMIC_TYPE_REVOKED);
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| 142 | if (crle->toBeSigned != NULL)
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| 143 | XFREE(crle->toBeSigned, heap, DYNAMIC_TYPE_REVOKED);
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| 144 |
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| 145 | (void)heap;
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| 146 | }
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| 147 |
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| 148 |
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| 149 |
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| 150 | /* Free all CRL resources */
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| 151 | void FreeCRL(WOLFSSL_CRL* crl, int dynamic)
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| 152 | {
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| 153 | CRL_Entry* tmp = crl->crlList;
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| 154 |
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| 155 | WOLFSSL_ENTER("FreeCRL");
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| 156 |
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| 157 | if (crl->monitors[0].path)
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| 158 | XFREE(crl->monitors[0].path, crl->heap, DYNAMIC_TYPE_CRL_MONITOR);
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| 159 |
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| 160 | if (crl->monitors[1].path)
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| 161 | XFREE(crl->monitors[1].path, crl->heap, DYNAMIC_TYPE_CRL_MONITOR);
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| 162 |
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| 163 | while(tmp) {
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| 164 | CRL_Entry* next = tmp->next;
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| 165 | FreeCRL_Entry(tmp, crl->heap);
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| 166 | XFREE(tmp, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 167 | tmp = next;
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| 168 | }
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| 169 |
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| 170 | #ifdef HAVE_CRL_MONITOR
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| 171 | if (crl->tid != 0) {
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| 172 | WOLFSSL_MSG("stopping monitor thread");
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| 173 | if (StopMonitor(crl->mfd) == 0)
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| 174 | pthread_join(crl->tid, NULL);
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| 175 | else {
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| 176 | WOLFSSL_MSG("stop monitor failed");
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| 177 | }
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| 178 | }
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| 179 | pthread_cond_destroy(&crl->cond);
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| 180 | #endif
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| 181 | wc_FreeMutex(&crl->crlLock);
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| 182 | if (dynamic) /* free self */
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| 183 | XFREE(crl, crl->heap, DYNAMIC_TYPE_CRL);
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| 184 | }
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| 185 |
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| 186 |
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| 187 | static int CheckCertCRLList(WOLFSSL_CRL* crl, DecodedCert* cert, int *pFoundEntry)
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| 188 | {
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| 189 | CRL_Entry* crle;
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| 190 | int foundEntry = 0;
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| 191 | int ret = 0;
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| 192 |
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| 193 | if (wc_LockMutex(&crl->crlLock) != 0) {
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| 194 | WOLFSSL_MSG("wc_LockMutex failed");
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| 195 | return BAD_MUTEX_E;
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| 196 | }
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| 197 |
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| 198 | crle = crl->crlList;
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| 199 |
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| 200 | while (crle) {
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| 201 | if (XMEMCMP(crle->issuerHash, cert->issuerHash, CRL_DIGEST_SIZE) == 0) {
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| 202 | int doNextDate = 1;
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| 203 |
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| 204 | WOLFSSL_MSG("Found CRL Entry on list");
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| 205 |
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| 206 | if (crle->verified == 0) {
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| 207 | Signer* ca;
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| 208 | #if !defined(NO_SKID) && defined(CRL_SKID_READY)
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| 209 | byte extAuthKeyId[KEYID_SIZE]
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| 210 | #endif
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| 211 | byte issuerHash[CRL_DIGEST_SIZE];
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| 212 | byte* tbs = NULL;
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| 213 | word32 tbsSz = crle->tbsSz;
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| 214 | byte* sig = NULL;
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| 215 | word32 sigSz = crle->signatureSz;
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| 216 | word32 sigOID = crle->signatureOID;
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| 217 | SignatureCtx sigCtx;
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| 218 |
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| 219 | tbs = (byte*)XMALLOC(tbsSz, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 220 | if (tbs == NULL) {
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| 221 | wc_UnLockMutex(&crl->crlLock);
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| 222 | return MEMORY_E;
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| 223 | }
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| 224 | sig = (byte*)XMALLOC(sigSz, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 225 | if (sig == NULL) {
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| 226 | XFREE(tbs, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 227 | wc_UnLockMutex(&crl->crlLock);
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| 228 | return MEMORY_E;
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| 229 | }
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| 230 |
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| 231 | XMEMCPY(tbs, crle->toBeSigned, tbsSz);
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| 232 | XMEMCPY(sig, crle->signature, sigSz);
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| 233 | #if !defined(NO_SKID) && defined(CRL_SKID_READY)
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| 234 | XMEMCMPY(extAuthKeyId, crle->extAuthKeyId,
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| 235 | sizeof(extAuthKeyId));
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| 236 | #endif
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| 237 | XMEMCPY(issuerHash, crle->issuerHash, sizeof(issuerHash));
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| 238 |
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| 239 | wc_UnLockMutex(&crl->crlLock);
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| 240 |
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| 241 | #if !defined(NO_SKID) && defined(CRL_SKID_READY)
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| 242 | if (crle->extAuthKeyIdSet)
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| 243 | ca = GetCA(crl->cm, extAuthKeyId);
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| 244 | if (ca == NULL)
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| 245 | ca = GetCAByName(crl->cm, issuerHash);
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| 246 | #else /* NO_SKID */
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| 247 | ca = GetCA(crl->cm, issuerHash);
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| 248 | #endif /* NO_SKID */
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| 249 | if (ca == NULL) {
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| 250 | WOLFSSL_MSG("Did NOT find CRL issuer CA");
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| 251 | return ASN_CRL_NO_SIGNER_E;
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| 252 | }
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| 253 |
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| 254 | ret = VerifyCRL_Signature(&sigCtx, tbs, tbsSz, sig, sigSz,
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| 255 | sigOID, ca, crl->heap);
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| 256 |
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| 257 | XFREE(sig, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 258 | XFREE(tbs, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 259 |
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| 260 | if (wc_LockMutex(&crl->crlLock) != 0) {
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| 261 | WOLFSSL_MSG("wc_LockMutex failed");
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| 262 | return BAD_MUTEX_E;
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| 263 | }
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| 264 |
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| 265 | crle = crl->crlList;
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| 266 | while (crle) {
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| 267 | if (XMEMCMP(crle->issuerHash, cert->issuerHash,
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| 268 | CRL_DIGEST_SIZE) == 0) {
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| 269 |
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| 270 | if (ret == 0)
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| 271 | crle->verified = 1;
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| 272 | else
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| 273 | crle->verified = ret;
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| 274 |
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| 275 | XFREE(crle->toBeSigned, crl->heap,
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| 276 | DYNAMIC_TYPE_CRL_ENTRY);
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| 277 | crle->toBeSigned = NULL;
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| 278 | XFREE(crle->signature, crl->heap,
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| 279 | DYNAMIC_TYPE_CRL_ENTRY);
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| 280 | crle->signature = NULL;
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| 281 | break;
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| 282 | }
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| 283 | crle = crle->next;
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| 284 | }
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| 285 | if (crle == NULL || crle->verified < 0)
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| 286 | break;
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| 287 | }
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| 288 | else if (crle->verified < 0) {
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| 289 | WOLFSSL_MSG("Cannot use CRL as it didn't verify");
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| 290 | ret = crle->verified;
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| 291 | break;
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| 292 | }
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| 293 |
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| 294 | WOLFSSL_MSG("Checking next date validity");
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| 295 |
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| 296 | #ifdef WOLFSSL_NO_CRL_NEXT_DATE
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| 297 | if (crle->nextDateFormat == ASN_OTHER_TYPE)
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| 298 | doNextDate = 0; /* skip */
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| 299 | #endif
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| 300 |
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| 301 | if (doNextDate) {
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| 302 | #ifndef NO_ASN_TIME
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| 303 | if (!ValidateDate(crle->nextDate,crle->nextDateFormat, AFTER)) {
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| 304 | WOLFSSL_MSG("CRL next date is no longer valid");
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| 305 | ret = ASN_AFTER_DATE_E;
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| 306 | }
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| 307 | #endif
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| 308 | }
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| 309 | if (ret == 0) {
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| 310 | foundEntry = 1;
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| 311 | }
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| 312 | break;
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| 313 | }
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| 314 | crle = crle->next;
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| 315 | }
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| 316 |
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| 317 | if (foundEntry) {
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| 318 | RevokedCert* rc = crle->certs;
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| 319 |
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| 320 | while (rc) {
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| 321 | if (rc->serialSz == cert->serialSz &&
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| 322 | XMEMCMP(rc->serialNumber, cert->serial, rc->serialSz) == 0) {
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| 323 | WOLFSSL_MSG("Cert revoked");
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| 324 | ret = CRL_CERT_REVOKED;
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| 325 | break;
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| 326 | }
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| 327 | rc = rc->next;
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| 328 | }
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| 329 | }
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| 330 |
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| 331 | wc_UnLockMutex(&crl->crlLock);
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| 332 |
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| 333 | *pFoundEntry = foundEntry;
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| 334 |
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| 335 | return ret;
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| 336 | }
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| 337 |
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| 338 | /* Is the cert ok with CRL, return 0 on success */
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| 339 | int CheckCertCRL(WOLFSSL_CRL* crl, DecodedCert* cert)
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| 340 | {
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| 341 | int foundEntry = 0;
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| 342 | int ret = 0;
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| 343 |
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| 344 | WOLFSSL_ENTER("CheckCertCRL");
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| 345 |
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| 346 | ret = CheckCertCRLList(crl, cert, &foundEntry);
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| 347 |
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| 348 | #ifdef HAVE_CRL_IO
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| 349 | if (foundEntry == 0) {
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| 350 | /* perform embedded lookup */
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| 351 | if (crl->crlIOCb) {
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| 352 | ret = crl->crlIOCb(crl, (const char*)cert->extCrlInfo,
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| 353 | cert->extCrlInfoSz);
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| 354 | if (ret == WOLFSSL_CBIO_ERR_WANT_READ) {
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| 355 | ret = WANT_READ;
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| 356 | }
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| 357 | else if (ret >= 0) {
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| 358 | /* try again */
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| 359 | ret = CheckCertCRLList(crl, cert, &foundEntry);
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| 360 | }
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| 361 | }
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| 362 | }
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| 363 | #endif
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| 364 |
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| 365 | if (foundEntry == 0) {
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| 366 | WOLFSSL_MSG("Couldn't find CRL for status check");
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| 367 | ret = CRL_MISSING;
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| 368 |
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| 369 | if (crl->cm->cbMissingCRL) {
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| 370 | char url[256];
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| 371 |
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| 372 | WOLFSSL_MSG("Issuing missing CRL callback");
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| 373 | url[0] = '\0';
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| 374 | if (cert->extCrlInfoSz < (int)sizeof(url) -1 ) {
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| 375 | XMEMCPY(url, cert->extCrlInfo, cert->extCrlInfoSz);
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| 376 | url[cert->extCrlInfoSz] = '\0';
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| 377 | }
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| 378 | else {
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| 379 | WOLFSSL_MSG("CRL url too long");
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| 380 | }
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| 381 |
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| 382 | crl->cm->cbMissingCRL(url);
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| 383 | }
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| 384 | }
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| 385 |
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| 386 | return ret;
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| 387 | }
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| 388 |
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| 389 |
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| 390 | /* Add Decoded CRL, 0 on success */
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| 391 | static int AddCRL(WOLFSSL_CRL* crl, DecodedCRL* dcrl, const byte* buff,
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| 392 | int verified)
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| 393 | {
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| 394 | CRL_Entry* crle;
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| 395 |
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| 396 | WOLFSSL_ENTER("AddCRL");
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| 397 |
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| 398 | crle = (CRL_Entry*)XMALLOC(sizeof(CRL_Entry), crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 399 | if (crle == NULL) {
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| 400 | WOLFSSL_MSG("alloc CRL Entry failed");
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| 401 | return -1;
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| 402 | }
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| 403 |
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| 404 | if (InitCRL_Entry(crle, dcrl, buff, verified, crl->heap) < 0) {
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| 405 | WOLFSSL_MSG("Init CRL Entry failed");
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| 406 | XFREE(crle, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 407 | return -1;
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| 408 | }
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| 409 |
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| 410 | if (wc_LockMutex(&crl->crlLock) != 0) {
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| 411 | WOLFSSL_MSG("wc_LockMutex failed");
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| 412 | FreeCRL_Entry(crle, crl->heap);
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| 413 | XFREE(crle, crl->heap, DYNAMIC_TYPE_CRL_ENTRY);
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| 414 | return BAD_MUTEX_E;
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| 415 | }
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| 416 | crle->next = crl->crlList;
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| 417 | crl->crlList = crle;
|
---|
| 418 | wc_UnLockMutex(&crl->crlLock);
|
---|
| 419 |
|
---|
| 420 | return 0;
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 |
|
---|
| 424 | /* Load CRL File of type, WOLFSSL_SUCCESS on ok */
|
---|
| 425 | int BufferLoadCRL(WOLFSSL_CRL* crl, const byte* buff, long sz, int type,
|
---|
| 426 | int noVerify)
|
---|
| 427 | {
|
---|
| 428 | int ret = WOLFSSL_SUCCESS;
|
---|
| 429 | const byte* myBuffer = buff; /* if DER ok, otherwise switch */
|
---|
| 430 | DerBuffer* der = NULL;
|
---|
| 431 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 432 | DecodedCRL* dcrl;
|
---|
| 433 | #else
|
---|
| 434 | DecodedCRL dcrl[1];
|
---|
| 435 | #endif
|
---|
| 436 |
|
---|
| 437 | WOLFSSL_ENTER("BufferLoadCRL");
|
---|
| 438 |
|
---|
| 439 | if (crl == NULL || buff == NULL || sz == 0)
|
---|
| 440 | return BAD_FUNC_ARG;
|
---|
| 441 |
|
---|
| 442 | if (type == WOLFSSL_FILETYPE_PEM) {
|
---|
| 443 | int eccKey = 0; /* not used */
|
---|
| 444 | EncryptedInfo info;
|
---|
| 445 | info.ctx = NULL;
|
---|
| 446 |
|
---|
| 447 | ret = PemToDer(buff, sz, CRL_TYPE, &der, NULL, &info, &eccKey);
|
---|
| 448 | if (ret == 0) {
|
---|
| 449 | myBuffer = der->buffer;
|
---|
| 450 | sz = der->length;
|
---|
| 451 | }
|
---|
| 452 | else {
|
---|
| 453 | WOLFSSL_MSG("Pem to Der failed");
|
---|
| 454 | FreeDer(&der);
|
---|
| 455 | return -1;
|
---|
| 456 | }
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 460 | dcrl = (DecodedCRL*)XMALLOC(sizeof(DecodedCRL), NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 461 | if (dcrl == NULL) {
|
---|
| 462 | FreeDer(&der);
|
---|
| 463 | return MEMORY_E;
|
---|
| 464 | }
|
---|
| 465 | #endif
|
---|
| 466 |
|
---|
| 467 | InitDecodedCRL(dcrl, crl->heap);
|
---|
| 468 | ret = ParseCRL(dcrl, myBuffer, (word32)sz, crl->cm);
|
---|
| 469 | if (ret != 0 && !(ret == ASN_CRL_NO_SIGNER_E && noVerify)) {
|
---|
| 470 | WOLFSSL_MSG("ParseCRL error");
|
---|
| 471 | }
|
---|
| 472 | else {
|
---|
| 473 | ret = AddCRL(crl, dcrl, myBuffer, ret != ASN_CRL_NO_SIGNER_E);
|
---|
| 474 | if (ret != 0) {
|
---|
| 475 | WOLFSSL_MSG("AddCRL error");
|
---|
| 476 | }
|
---|
| 477 | }
|
---|
| 478 |
|
---|
| 479 | FreeDecodedCRL(dcrl);
|
---|
| 480 |
|
---|
| 481 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 482 | XFREE(dcrl, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 483 | #endif
|
---|
| 484 |
|
---|
| 485 | FreeDer(&der);
|
---|
| 486 |
|
---|
| 487 | return ret ? ret : WOLFSSL_SUCCESS; /* convert 0 to WOLFSSL_SUCCESS */
|
---|
| 488 | }
|
---|
| 489 |
|
---|
| 490 |
|
---|
| 491 | #ifdef HAVE_CRL_MONITOR
|
---|
| 492 |
|
---|
| 493 |
|
---|
| 494 | /* Signal Monitor thread is setup, save status to setup flag, 0 on success */
|
---|
| 495 | static int SignalSetup(WOLFSSL_CRL* crl, int status)
|
---|
| 496 | {
|
---|
| 497 | int ret;
|
---|
| 498 |
|
---|
| 499 | /* signal to calling thread we're setup */
|
---|
| 500 | if (wc_LockMutex(&crl->crlLock) != 0) {
|
---|
| 501 | WOLFSSL_MSG("wc_LockMutex crlLock failed");
|
---|
| 502 | return BAD_MUTEX_E;
|
---|
| 503 | }
|
---|
| 504 |
|
---|
| 505 | crl->setup = status;
|
---|
| 506 | ret = pthread_cond_signal(&crl->cond);
|
---|
| 507 |
|
---|
| 508 | wc_UnLockMutex(&crl->crlLock);
|
---|
| 509 |
|
---|
| 510 | if (ret != 0)
|
---|
| 511 | return BAD_COND_E;
|
---|
| 512 |
|
---|
| 513 | return 0;
|
---|
| 514 | }
|
---|
| 515 |
|
---|
| 516 |
|
---|
| 517 | /* read in new CRL entries and save new list */
|
---|
| 518 | static int SwapLists(WOLFSSL_CRL* crl)
|
---|
| 519 | {
|
---|
| 520 | int ret;
|
---|
| 521 | CRL_Entry* newList;
|
---|
| 522 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 523 | WOLFSSL_CRL* tmp;
|
---|
| 524 | #else
|
---|
| 525 | WOLFSSL_CRL tmp[1];
|
---|
| 526 | #endif
|
---|
| 527 |
|
---|
| 528 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 529 | tmp = (WOLFSSL_CRL*)XMALLOC(sizeof(WOLFSSL_CRL), NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 530 | if (tmp == NULL)
|
---|
| 531 | return MEMORY_E;
|
---|
| 532 | #endif
|
---|
| 533 |
|
---|
| 534 | if (InitCRL(tmp, crl->cm) < 0) {
|
---|
| 535 | WOLFSSL_MSG("Init tmp CRL failed");
|
---|
| 536 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 537 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 538 | #endif
|
---|
| 539 | return -1;
|
---|
| 540 | }
|
---|
| 541 |
|
---|
| 542 | if (crl->monitors[0].path) {
|
---|
| 543 | ret = LoadCRL(tmp, crl->monitors[0].path, WOLFSSL_FILETYPE_PEM, 0);
|
---|
| 544 | if (ret != WOLFSSL_SUCCESS) {
|
---|
| 545 | WOLFSSL_MSG("PEM LoadCRL on dir change failed");
|
---|
| 546 | FreeCRL(tmp, 0);
|
---|
| 547 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 548 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 549 | #endif
|
---|
| 550 | return -1;
|
---|
| 551 | }
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | if (crl->monitors[1].path) {
|
---|
| 555 | ret = LoadCRL(tmp, crl->monitors[1].path, WOLFSSL_FILETYPE_ASN1, 0);
|
---|
| 556 | if (ret != WOLFSSL_SUCCESS) {
|
---|
| 557 | WOLFSSL_MSG("DER LoadCRL on dir change failed");
|
---|
| 558 | FreeCRL(tmp, 0);
|
---|
| 559 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 560 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 561 | #endif
|
---|
| 562 | return -1;
|
---|
| 563 | }
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 | if (wc_LockMutex(&crl->crlLock) != 0) {
|
---|
| 567 | WOLFSSL_MSG("wc_LockMutex failed");
|
---|
| 568 | FreeCRL(tmp, 0);
|
---|
| 569 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 570 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 571 | #endif
|
---|
| 572 | return -1;
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 | newList = tmp->crlList;
|
---|
| 576 |
|
---|
| 577 | /* swap lists */
|
---|
| 578 | tmp->crlList = crl->crlList;
|
---|
| 579 | crl->crlList = newList;
|
---|
| 580 |
|
---|
| 581 | wc_UnLockMutex(&crl->crlLock);
|
---|
| 582 |
|
---|
| 583 | FreeCRL(tmp, 0);
|
---|
| 584 |
|
---|
| 585 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 586 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 587 | #endif
|
---|
| 588 |
|
---|
| 589 | return 0;
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 |
|
---|
| 593 | #if (defined(__MACH__) || defined(__FreeBSD__))
|
---|
| 594 |
|
---|
| 595 | #include <sys/types.h>
|
---|
| 596 | #include <sys/event.h>
|
---|
| 597 | #include <sys/time.h>
|
---|
| 598 | #include <fcntl.h>
|
---|
| 599 | #include <unistd.h>
|
---|
| 600 |
|
---|
| 601 | #ifdef __MACH__
|
---|
| 602 | #define XEVENT_MODE O_EVTONLY
|
---|
| 603 | #elif defined(__FreeBSD__)
|
---|
| 604 | #define XEVENT_MODE EVFILT_VNODE
|
---|
| 605 | #endif
|
---|
| 606 |
|
---|
| 607 |
|
---|
| 608 | /* we need a unique kqueue user filter fd for crl in case user is doing custom
|
---|
| 609 | * events too */
|
---|
| 610 | #ifndef CRL_CUSTOM_FD
|
---|
| 611 | #define CRL_CUSTOM_FD 123456
|
---|
| 612 | #endif
|
---|
| 613 |
|
---|
| 614 |
|
---|
| 615 | /* shutdown monitor thread, 0 on success */
|
---|
| 616 | static int StopMonitor(int mfd)
|
---|
| 617 | {
|
---|
| 618 | struct kevent change;
|
---|
| 619 |
|
---|
| 620 | /* trigger custom shutdown */
|
---|
| 621 | EV_SET(&change, CRL_CUSTOM_FD, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
|
---|
| 622 | if (kevent(mfd, &change, 1, NULL, 0, NULL) < 0) {
|
---|
| 623 | WOLFSSL_MSG("kevent trigger customer event failed");
|
---|
| 624 | return -1;
|
---|
| 625 | }
|
---|
| 626 |
|
---|
| 627 | return 0;
|
---|
| 628 | }
|
---|
| 629 |
|
---|
| 630 |
|
---|
| 631 | /* OS X monitoring */
|
---|
| 632 | static void* DoMonitor(void* arg)
|
---|
| 633 | {
|
---|
| 634 | int fPEM, fDER;
|
---|
| 635 | struct kevent change;
|
---|
| 636 |
|
---|
| 637 | WOLFSSL_CRL* crl = (WOLFSSL_CRL*)arg;
|
---|
| 638 |
|
---|
| 639 | WOLFSSL_ENTER("DoMonitor");
|
---|
| 640 |
|
---|
| 641 | crl->mfd = kqueue();
|
---|
| 642 | if (crl->mfd == -1) {
|
---|
| 643 | WOLFSSL_MSG("kqueue failed");
|
---|
| 644 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 645 | return NULL;
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 | /* listen for custom shutdown event */
|
---|
| 649 | EV_SET(&change, CRL_CUSTOM_FD, EVFILT_USER, EV_ADD, 0, 0, NULL);
|
---|
| 650 | if (kevent(crl->mfd, &change, 1, NULL, 0, NULL) < 0) {
|
---|
| 651 | WOLFSSL_MSG("kevent monitor customer event failed");
|
---|
| 652 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 653 | close(crl->mfd);
|
---|
| 654 | return NULL;
|
---|
| 655 | }
|
---|
| 656 |
|
---|
| 657 | fPEM = -1;
|
---|
| 658 | fDER = -1;
|
---|
| 659 |
|
---|
| 660 | if (crl->monitors[0].path) {
|
---|
| 661 | fPEM = open(crl->monitors[0].path, XEVENT_MODE);
|
---|
| 662 | if (fPEM == -1) {
|
---|
| 663 | WOLFSSL_MSG("PEM event dir open failed");
|
---|
| 664 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 665 | close(crl->mfd);
|
---|
| 666 | return NULL;
|
---|
| 667 | }
|
---|
| 668 | }
|
---|
| 669 |
|
---|
| 670 | if (crl->monitors[1].path) {
|
---|
| 671 | fDER = open(crl->monitors[1].path, XEVENT_MODE);
|
---|
| 672 | if (fDER == -1) {
|
---|
| 673 | WOLFSSL_MSG("DER event dir open failed");
|
---|
| 674 | if (fPEM != -1)
|
---|
| 675 | close(fPEM);
|
---|
| 676 | close(crl->mfd);
|
---|
| 677 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 678 | return NULL;
|
---|
| 679 | }
|
---|
| 680 | }
|
---|
| 681 |
|
---|
| 682 | if (fPEM != -1)
|
---|
| 683 | EV_SET(&change, fPEM, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT,
|
---|
| 684 | NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB, 0, 0);
|
---|
| 685 |
|
---|
| 686 | if (fDER != -1)
|
---|
| 687 | EV_SET(&change, fDER, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT,
|
---|
| 688 | NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB, 0, 0);
|
---|
| 689 |
|
---|
| 690 | /* signal to calling thread we're setup */
|
---|
| 691 | if (SignalSetup(crl, 1) != 0) {
|
---|
| 692 | if (fPEM != -1)
|
---|
| 693 | close(fPEM);
|
---|
| 694 | if (fDER != -1)
|
---|
| 695 | close(fDER);
|
---|
| 696 | close(crl->mfd);
|
---|
| 697 | return NULL;
|
---|
| 698 | }
|
---|
| 699 |
|
---|
| 700 | for (;;) {
|
---|
| 701 | struct kevent event;
|
---|
| 702 | int numEvents = kevent(crl->mfd, &change, 1, &event, 1, NULL);
|
---|
| 703 |
|
---|
| 704 | WOLFSSL_MSG("Got kevent");
|
---|
| 705 |
|
---|
| 706 | if (numEvents == -1) {
|
---|
| 707 | WOLFSSL_MSG("kevent problem, continue");
|
---|
| 708 | continue;
|
---|
| 709 | }
|
---|
| 710 |
|
---|
| 711 | if (event.filter == EVFILT_USER) {
|
---|
| 712 | WOLFSSL_MSG("Got user shutdown event, breaking out");
|
---|
| 713 | break;
|
---|
| 714 | }
|
---|
| 715 |
|
---|
| 716 | if (SwapLists(crl) < 0) {
|
---|
| 717 | WOLFSSL_MSG("SwapLists problem, continue");
|
---|
| 718 | }
|
---|
| 719 | }
|
---|
| 720 |
|
---|
| 721 | if (fPEM != -1)
|
---|
| 722 | close(fPEM);
|
---|
| 723 | if (fDER != -1)
|
---|
| 724 | close(fDER);
|
---|
| 725 |
|
---|
| 726 | close(crl->mfd);
|
---|
| 727 |
|
---|
| 728 | return NULL;
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 |
|
---|
| 732 | #elif defined(__linux__)
|
---|
| 733 |
|
---|
| 734 | #include <sys/types.h>
|
---|
| 735 | #include <sys/inotify.h>
|
---|
| 736 | #include <sys/eventfd.h>
|
---|
| 737 | #include <unistd.h>
|
---|
| 738 |
|
---|
| 739 |
|
---|
| 740 | #ifndef max
|
---|
| 741 | static INLINE int max(int a, int b)
|
---|
| 742 | {
|
---|
| 743 | return a > b ? a : b;
|
---|
| 744 | }
|
---|
| 745 | #endif /* max */
|
---|
| 746 |
|
---|
| 747 |
|
---|
| 748 | /* shutdown monitor thread, 0 on success */
|
---|
| 749 | static int StopMonitor(int mfd)
|
---|
| 750 | {
|
---|
| 751 | word64 w64 = 1;
|
---|
| 752 |
|
---|
| 753 | /* write to our custom event */
|
---|
| 754 | if (write(mfd, &w64, sizeof(w64)) < 0) {
|
---|
| 755 | WOLFSSL_MSG("StopMonitor write failed");
|
---|
| 756 | return -1;
|
---|
| 757 | }
|
---|
| 758 |
|
---|
| 759 | return 0;
|
---|
| 760 | }
|
---|
| 761 |
|
---|
| 762 |
|
---|
| 763 | /* linux monitoring */
|
---|
| 764 | static void* DoMonitor(void* arg)
|
---|
| 765 | {
|
---|
| 766 | int notifyFd;
|
---|
| 767 | int wd = -1;
|
---|
| 768 | WOLFSSL_CRL* crl = (WOLFSSL_CRL*)arg;
|
---|
| 769 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 770 | char* buff;
|
---|
| 771 | #else
|
---|
| 772 | char buff[8192];
|
---|
| 773 | #endif
|
---|
| 774 |
|
---|
| 775 | WOLFSSL_ENTER("DoMonitor");
|
---|
| 776 |
|
---|
| 777 | crl->mfd = eventfd(0, 0); /* our custom shutdown event */
|
---|
| 778 | if (crl->mfd < 0) {
|
---|
| 779 | WOLFSSL_MSG("eventfd failed");
|
---|
| 780 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 781 | return NULL;
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | notifyFd = inotify_init();
|
---|
| 785 | if (notifyFd < 0) {
|
---|
| 786 | WOLFSSL_MSG("inotify failed");
|
---|
| 787 | close(crl->mfd);
|
---|
| 788 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 789 | return NULL;
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | if (crl->monitors[0].path) {
|
---|
| 793 | wd = inotify_add_watch(notifyFd, crl->monitors[0].path, IN_CLOSE_WRITE |
|
---|
| 794 | IN_DELETE);
|
---|
| 795 | if (wd < 0) {
|
---|
| 796 | WOLFSSL_MSG("PEM notify add watch failed");
|
---|
| 797 | close(crl->mfd);
|
---|
| 798 | close(notifyFd);
|
---|
| 799 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 800 | return NULL;
|
---|
| 801 | }
|
---|
| 802 | }
|
---|
| 803 |
|
---|
| 804 | if (crl->monitors[1].path) {
|
---|
| 805 | wd = inotify_add_watch(notifyFd, crl->monitors[1].path, IN_CLOSE_WRITE |
|
---|
| 806 | IN_DELETE);
|
---|
| 807 | if (wd < 0) {
|
---|
| 808 | WOLFSSL_MSG("DER notify add watch failed");
|
---|
| 809 | close(crl->mfd);
|
---|
| 810 | close(notifyFd);
|
---|
| 811 | SignalSetup(crl, MONITOR_SETUP_E);
|
---|
| 812 | return NULL;
|
---|
| 813 | }
|
---|
| 814 | }
|
---|
| 815 |
|
---|
| 816 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 817 | buff = (char*)XMALLOC(8192, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 818 | if (buff == NULL)
|
---|
| 819 | return NULL;
|
---|
| 820 | #endif
|
---|
| 821 |
|
---|
| 822 | /* signal to calling thread we're setup */
|
---|
| 823 | if (SignalSetup(crl, 1) != 0) {
|
---|
| 824 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 825 | XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 826 | #endif
|
---|
| 827 |
|
---|
| 828 | if (wd > 0)
|
---|
| 829 | inotify_rm_watch(notifyFd, wd);
|
---|
| 830 | close(crl->mfd);
|
---|
| 831 | close(notifyFd);
|
---|
| 832 | return NULL;
|
---|
| 833 | }
|
---|
| 834 |
|
---|
| 835 | for (;;) {
|
---|
| 836 | fd_set readfds;
|
---|
| 837 | int result;
|
---|
| 838 | int length;
|
---|
| 839 |
|
---|
| 840 | FD_ZERO(&readfds);
|
---|
| 841 | FD_SET(notifyFd, &readfds);
|
---|
| 842 | FD_SET(crl->mfd, &readfds);
|
---|
| 843 |
|
---|
| 844 | result = select(max(notifyFd, crl->mfd) + 1, &readfds, NULL, NULL,NULL);
|
---|
| 845 |
|
---|
| 846 | WOLFSSL_MSG("Got notify event");
|
---|
| 847 |
|
---|
| 848 | if (result < 0) {
|
---|
| 849 | WOLFSSL_MSG("select problem, continue");
|
---|
| 850 | continue;
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | if (FD_ISSET(crl->mfd, &readfds)) {
|
---|
| 854 | WOLFSSL_MSG("got custom shutdown event, breaking out");
|
---|
| 855 | break;
|
---|
| 856 | }
|
---|
| 857 |
|
---|
| 858 | length = (int) read(notifyFd, buff, 8192);
|
---|
| 859 | if (length < 0) {
|
---|
| 860 | WOLFSSL_MSG("notify read problem, continue");
|
---|
| 861 | continue;
|
---|
| 862 | }
|
---|
| 863 |
|
---|
| 864 | if (SwapLists(crl) < 0) {
|
---|
| 865 | WOLFSSL_MSG("SwapLists problem, continue");
|
---|
| 866 | }
|
---|
| 867 | }
|
---|
| 868 |
|
---|
| 869 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 870 | XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 871 | #endif
|
---|
| 872 |
|
---|
| 873 | if (wd > 0)
|
---|
| 874 | inotify_rm_watch(notifyFd, wd);
|
---|
| 875 | close(crl->mfd);
|
---|
| 876 | close(notifyFd);
|
---|
| 877 |
|
---|
| 878 | return NULL;
|
---|
| 879 | }
|
---|
| 880 |
|
---|
| 881 | #endif /* MACH or linux */
|
---|
| 882 |
|
---|
| 883 |
|
---|
| 884 | /* Start Monitoring the CRL path(s) in a thread */
|
---|
| 885 | static int StartMonitorCRL(WOLFSSL_CRL* crl)
|
---|
| 886 | {
|
---|
| 887 | int ret = WOLFSSL_SUCCESS;
|
---|
| 888 |
|
---|
| 889 | WOLFSSL_ENTER("StartMonitorCRL");
|
---|
| 890 |
|
---|
| 891 | if (crl == NULL)
|
---|
| 892 | return BAD_FUNC_ARG;
|
---|
| 893 |
|
---|
| 894 | if (crl->tid != 0) {
|
---|
| 895 | WOLFSSL_MSG("Monitor thread already running");
|
---|
| 896 | return ret; /* that's ok, someone already started */
|
---|
| 897 | }
|
---|
| 898 |
|
---|
| 899 | if (pthread_create(&crl->tid, NULL, DoMonitor, crl) != 0) {
|
---|
| 900 | WOLFSSL_MSG("Thread creation error");
|
---|
| 901 | return THREAD_CREATE_E;
|
---|
| 902 | }
|
---|
| 903 |
|
---|
| 904 | /* wait for setup to complete */
|
---|
| 905 | if (wc_LockMutex(&crl->crlLock) != 0) {
|
---|
| 906 | WOLFSSL_MSG("wc_LockMutex crlLock error");
|
---|
| 907 | return BAD_MUTEX_E;
|
---|
| 908 | }
|
---|
| 909 |
|
---|
| 910 | while (crl->setup == 0) {
|
---|
| 911 | if (pthread_cond_wait(&crl->cond, &crl->crlLock) != 0) {
|
---|
| 912 | ret = BAD_COND_E;
|
---|
| 913 | break;
|
---|
| 914 | }
|
---|
| 915 | }
|
---|
| 916 |
|
---|
| 917 | if (crl->setup < 0)
|
---|
| 918 | ret = crl->setup; /* store setup error */
|
---|
| 919 |
|
---|
| 920 | wc_UnLockMutex(&crl->crlLock);
|
---|
| 921 |
|
---|
| 922 | if (ret < 0) {
|
---|
| 923 | WOLFSSL_MSG("DoMonitor setup failure");
|
---|
| 924 | crl->tid = 0; /* thread already done */
|
---|
| 925 | }
|
---|
| 926 |
|
---|
| 927 | return ret;
|
---|
| 928 | }
|
---|
| 929 |
|
---|
| 930 |
|
---|
| 931 | #else /* HAVE_CRL_MONITOR */
|
---|
| 932 |
|
---|
| 933 | #ifndef NO_FILESYSTEM
|
---|
| 934 |
|
---|
| 935 | static int StartMonitorCRL(WOLFSSL_CRL* crl)
|
---|
| 936 | {
|
---|
| 937 | (void)crl;
|
---|
| 938 |
|
---|
| 939 | WOLFSSL_ENTER("StartMonitorCRL");
|
---|
| 940 | WOLFSSL_MSG("Not compiled in");
|
---|
| 941 |
|
---|
| 942 | return NOT_COMPILED_IN;
|
---|
| 943 | }
|
---|
| 944 |
|
---|
| 945 | #endif /* NO_FILESYSTEM */
|
---|
| 946 |
|
---|
| 947 | #endif /* HAVE_CRL_MONITOR */
|
---|
| 948 |
|
---|
| 949 | #if !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR)
|
---|
| 950 |
|
---|
| 951 | /* Load CRL path files of type, WOLFSSL_SUCCESS on ok */
|
---|
| 952 | int LoadCRL(WOLFSSL_CRL* crl, const char* path, int type, int monitor)
|
---|
| 953 | {
|
---|
| 954 | int ret = WOLFSSL_SUCCESS;
|
---|
| 955 | char* name = NULL;
|
---|
| 956 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 957 | ReadDirCtx* readCtx = NULL;
|
---|
| 958 | #else
|
---|
| 959 | ReadDirCtx readCtx[1];
|
---|
| 960 | #endif
|
---|
| 961 |
|
---|
| 962 | WOLFSSL_ENTER("LoadCRL");
|
---|
| 963 | if (crl == NULL)
|
---|
| 964 | return BAD_FUNC_ARG;
|
---|
| 965 |
|
---|
| 966 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 967 | readCtx = (ReadDirCtx*)XMALLOC(sizeof(ReadDirCtx), crl->heap,
|
---|
| 968 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 969 | if (readCtx == NULL)
|
---|
| 970 | return MEMORY_E;
|
---|
| 971 | #endif
|
---|
| 972 |
|
---|
| 973 | /* try to load each regular file in path */
|
---|
| 974 | ret = wc_ReadDirFirst(readCtx, path, &name);
|
---|
| 975 | while (ret == 0 && name) {
|
---|
| 976 | int skip = 0;
|
---|
| 977 | if (type == WOLFSSL_FILETYPE_PEM) {
|
---|
| 978 | if (XSTRSTR(name, ".pem") == NULL) {
|
---|
| 979 | WOLFSSL_MSG("not .pem file, skipping");
|
---|
| 980 | skip = 1;
|
---|
| 981 | }
|
---|
| 982 | }
|
---|
| 983 | else {
|
---|
| 984 | if (XSTRSTR(name, ".der") == NULL &&
|
---|
| 985 | XSTRSTR(name, ".crl") == NULL)
|
---|
| 986 | {
|
---|
| 987 | WOLFSSL_MSG("not .der or .crl file, skipping");
|
---|
| 988 | skip = 1;
|
---|
| 989 | }
|
---|
| 990 | }
|
---|
| 991 |
|
---|
| 992 | if (!skip && ProcessFile(NULL, name, type, CRL_TYPE, NULL, 0, crl)
|
---|
| 993 | != WOLFSSL_SUCCESS) {
|
---|
| 994 | WOLFSSL_MSG("CRL file load failed, continuing");
|
---|
| 995 | }
|
---|
| 996 |
|
---|
| 997 | ret = wc_ReadDirNext(readCtx, path, &name);
|
---|
| 998 | }
|
---|
| 999 | wc_ReadDirClose(readCtx);
|
---|
| 1000 | ret = WOLFSSL_SUCCESS; /* load failures not reported, for backwards compat */
|
---|
| 1001 |
|
---|
| 1002 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 1003 | XFREE(readCtx, crl->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 1004 | #endif
|
---|
| 1005 |
|
---|
| 1006 | if (monitor & WOLFSSL_CRL_MONITOR) {
|
---|
| 1007 | word32 pathLen;
|
---|
| 1008 | char* pathBuf;
|
---|
| 1009 |
|
---|
| 1010 | WOLFSSL_MSG("monitor path requested");
|
---|
| 1011 |
|
---|
| 1012 | pathLen = (word32)XSTRLEN(path);
|
---|
| 1013 | pathBuf = (char*)XMALLOC(pathLen+1, crl->heap,DYNAMIC_TYPE_CRL_MONITOR);
|
---|
| 1014 | if (pathBuf) {
|
---|
| 1015 | XSTRNCPY(pathBuf, path, pathLen);
|
---|
| 1016 | pathBuf[pathLen] = '\0'; /* Null Terminate */
|
---|
| 1017 |
|
---|
| 1018 | if (type == WOLFSSL_FILETYPE_PEM) {
|
---|
| 1019 | /* free old path before setting a new one */
|
---|
| 1020 | if (crl->monitors[0].path) {
|
---|
| 1021 | XFREE(crl->monitors[0].path, crl->heap,
|
---|
| 1022 | DYNAMIC_TYPE_CRL_MONITOR);
|
---|
| 1023 | }
|
---|
| 1024 | crl->monitors[0].path = pathBuf;
|
---|
| 1025 | crl->monitors[0].type = WOLFSSL_FILETYPE_PEM;
|
---|
| 1026 | } else {
|
---|
| 1027 | /* free old path before setting a new one */
|
---|
| 1028 | if (crl->monitors[1].path) {
|
---|
| 1029 | XFREE(crl->monitors[1].path, crl->heap,
|
---|
| 1030 | DYNAMIC_TYPE_CRL_MONITOR);
|
---|
| 1031 | }
|
---|
| 1032 | crl->monitors[1].path = pathBuf;
|
---|
| 1033 | crl->monitors[1].type = WOLFSSL_FILETYPE_ASN1;
|
---|
| 1034 | }
|
---|
| 1035 |
|
---|
| 1036 | if (monitor & WOLFSSL_CRL_START_MON) {
|
---|
| 1037 | WOLFSSL_MSG("start monitoring requested");
|
---|
| 1038 |
|
---|
| 1039 | ret = StartMonitorCRL(crl);
|
---|
| 1040 | }
|
---|
| 1041 | }
|
---|
| 1042 | else {
|
---|
| 1043 | ret = MEMORY_E;
|
---|
| 1044 | }
|
---|
| 1045 | }
|
---|
| 1046 |
|
---|
| 1047 | return ret;
|
---|
| 1048 | }
|
---|
| 1049 |
|
---|
| 1050 | #else
|
---|
| 1051 | int LoadCRL(WOLFSSL_CRL* crl, const char* path, int type, int monitor)
|
---|
| 1052 | {
|
---|
| 1053 | (void)crl;
|
---|
| 1054 | (void)path;
|
---|
| 1055 | (void)type;
|
---|
| 1056 | (void)monitor;
|
---|
| 1057 |
|
---|
| 1058 | /* stub for scenario where file system is not supported */
|
---|
| 1059 | return NOT_COMPILED_IN;
|
---|
| 1060 | }
|
---|
| 1061 | #endif /* !NO_FILESYSTEM && !NO_WOLFSSL_DIR */
|
---|
| 1062 |
|
---|
| 1063 | #endif /* HAVE_CRL */
|
---|
| 1064 | #endif /* !WOLFCRYPT_ONLY */
|
---|