This is a port of cyaSSL 2.7.0.
Dependents: CyaSSL_DTLS_Cellular CyaSSL_DTLS_Ethernet
crl.c@1:c0ce1562443a, 2013-09-05 (annotated)
- Committer:
- ashleymills
- Date:
- Thu Sep 05 15:55:50 2013 +0000
- Revision:
- 1:c0ce1562443a
- Parent:
- 0:714293de3836
Nothing;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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ashleymills | 0:714293de3836 | 1 | /* crl.c |
ashleymills | 0:714293de3836 | 2 | * |
ashleymills | 0:714293de3836 | 3 | * Copyright (C) 2006-2013 wolfSSL Inc. |
ashleymills | 0:714293de3836 | 4 | * |
ashleymills | 0:714293de3836 | 5 | * This file is part of CyaSSL. |
ashleymills | 0:714293de3836 | 6 | * |
ashleymills | 0:714293de3836 | 7 | * CyaSSL is free software; you can redistribute it and/or modify |
ashleymills | 0:714293de3836 | 8 | * it under the terms of the GNU General Public License as published by |
ashleymills | 0:714293de3836 | 9 | * the Free Software Foundation; either version 2 of the License, or |
ashleymills | 0:714293de3836 | 10 | * (at your option) any later version. |
ashleymills | 0:714293de3836 | 11 | * |
ashleymills | 0:714293de3836 | 12 | * CyaSSL is distributed in the hope that it will be useful, |
ashleymills | 0:714293de3836 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ashleymills | 0:714293de3836 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
ashleymills | 0:714293de3836 | 15 | * GNU General Public License for more details. |
ashleymills | 0:714293de3836 | 16 | * |
ashleymills | 0:714293de3836 | 17 | * You should have received a copy of the GNU General Public License |
ashleymills | 0:714293de3836 | 18 | * along with this program; if not, write to the Free Software |
ashleymills | 0:714293de3836 | 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
ashleymills | 0:714293de3836 | 20 | */ |
ashleymills | 0:714293de3836 | 21 | |
ashleymills | 0:714293de3836 | 22 | #ifdef HAVE_CONFIG_H |
ashleymills | 0:714293de3836 | 23 | #include <config.h> |
ashleymills | 0:714293de3836 | 24 | #endif |
ashleymills | 0:714293de3836 | 25 | |
ashleymills | 0:714293de3836 | 26 | #include <cyassl/ctaocrypt/settings.h> |
ashleymills | 0:714293de3836 | 27 | |
ashleymills | 0:714293de3836 | 28 | #ifdef HAVE_CRL |
ashleymills | 0:714293de3836 | 29 | |
ashleymills | 0:714293de3836 | 30 | #include <cyassl/internal.h> |
ashleymills | 0:714293de3836 | 31 | #include <cyassl/ctaoerror.h> |
ashleymills | 0:714293de3836 | 32 | |
ashleymills | 0:714293de3836 | 33 | #include <dirent.h> |
ashleymills | 0:714293de3836 | 34 | #include <sys/stat.h> |
ashleymills | 0:714293de3836 | 35 | #include <string.h> |
ashleymills | 0:714293de3836 | 36 | |
ashleymills | 0:714293de3836 | 37 | |
ashleymills | 0:714293de3836 | 38 | /* Initialze CRL members */ |
ashleymills | 0:714293de3836 | 39 | int InitCRL(CYASSL_CRL* crl, CYASSL_CERT_MANAGER* cm) |
ashleymills | 0:714293de3836 | 40 | { |
ashleymills | 0:714293de3836 | 41 | CYASSL_ENTER("InitCRL"); |
ashleymills | 0:714293de3836 | 42 | |
ashleymills | 0:714293de3836 | 43 | crl->cm = cm; |
ashleymills | 0:714293de3836 | 44 | crl->crlList = NULL; |
ashleymills | 0:714293de3836 | 45 | crl->monitors[0].path = NULL; |
ashleymills | 0:714293de3836 | 46 | crl->monitors[1].path = NULL; |
ashleymills | 0:714293de3836 | 47 | #ifdef HAVE_CRL_MONITOR |
ashleymills | 0:714293de3836 | 48 | crl->tid = 0; |
ashleymills | 0:714293de3836 | 49 | #endif |
ashleymills | 0:714293de3836 | 50 | if (InitMutex(&crl->crlLock) != 0) |
ashleymills | 0:714293de3836 | 51 | return BAD_MUTEX_ERROR; |
ashleymills | 0:714293de3836 | 52 | |
ashleymills | 0:714293de3836 | 53 | return 0; |
ashleymills | 0:714293de3836 | 54 | } |
ashleymills | 0:714293de3836 | 55 | |
ashleymills | 0:714293de3836 | 56 | |
ashleymills | 0:714293de3836 | 57 | /* Initialze CRL Entry */ |
ashleymills | 0:714293de3836 | 58 | static int InitCRL_Entry(CRL_Entry* crle, DecodedCRL* dcrl) |
ashleymills | 0:714293de3836 | 59 | { |
ashleymills | 0:714293de3836 | 60 | CYASSL_ENTER("InitCRL_Entry"); |
ashleymills | 0:714293de3836 | 61 | |
ashleymills | 0:714293de3836 | 62 | XMEMCPY(crle->issuerHash, dcrl->issuerHash, SHA_DIGEST_SIZE); |
ashleymills | 0:714293de3836 | 63 | /* XMEMCPY(crle->crlHash, dcrl->crlHash, SHA_DIGEST_SIZE); |
ashleymills | 0:714293de3836 | 64 | * copy the hash here if needed for optimized comparisons */ |
ashleymills | 0:714293de3836 | 65 | XMEMCPY(crle->lastDate, dcrl->lastDate, MAX_DATE_SIZE); |
ashleymills | 0:714293de3836 | 66 | XMEMCPY(crle->nextDate, dcrl->nextDate, MAX_DATE_SIZE); |
ashleymills | 0:714293de3836 | 67 | crle->lastDateFormat = dcrl->lastDateFormat; |
ashleymills | 0:714293de3836 | 68 | crle->nextDateFormat = dcrl->nextDateFormat; |
ashleymills | 0:714293de3836 | 69 | |
ashleymills | 0:714293de3836 | 70 | crle->certs = dcrl->certs; /* take ownsership */ |
ashleymills | 0:714293de3836 | 71 | dcrl->certs = NULL; |
ashleymills | 0:714293de3836 | 72 | crle->totalCerts = dcrl->totalCerts; |
ashleymills | 0:714293de3836 | 73 | |
ashleymills | 0:714293de3836 | 74 | return 0; |
ashleymills | 0:714293de3836 | 75 | } |
ashleymills | 0:714293de3836 | 76 | |
ashleymills | 0:714293de3836 | 77 | |
ashleymills | 0:714293de3836 | 78 | /* Free all CRL Entry resources */ |
ashleymills | 0:714293de3836 | 79 | static void FreeCRL_Entry(CRL_Entry* crle) |
ashleymills | 0:714293de3836 | 80 | { |
ashleymills | 0:714293de3836 | 81 | RevokedCert* tmp = crle->certs; |
ashleymills | 0:714293de3836 | 82 | |
ashleymills | 0:714293de3836 | 83 | CYASSL_ENTER("FreeCRL_Entry"); |
ashleymills | 0:714293de3836 | 84 | |
ashleymills | 0:714293de3836 | 85 | while(tmp) { |
ashleymills | 0:714293de3836 | 86 | RevokedCert* next = tmp->next; |
ashleymills | 0:714293de3836 | 87 | XFREE(tmp, NULL, DYNAMIC_TYPE_REVOKED); |
ashleymills | 0:714293de3836 | 88 | tmp = next; |
ashleymills | 0:714293de3836 | 89 | } |
ashleymills | 0:714293de3836 | 90 | } |
ashleymills | 0:714293de3836 | 91 | |
ashleymills | 0:714293de3836 | 92 | |
ashleymills | 0:714293de3836 | 93 | |
ashleymills | 0:714293de3836 | 94 | /* Free all CRL resources */ |
ashleymills | 0:714293de3836 | 95 | void FreeCRL(CYASSL_CRL* crl, int dynamic) |
ashleymills | 0:714293de3836 | 96 | { |
ashleymills | 0:714293de3836 | 97 | CRL_Entry* tmp = crl->crlList; |
ashleymills | 0:714293de3836 | 98 | |
ashleymills | 0:714293de3836 | 99 | CYASSL_ENTER("FreeCRL"); |
ashleymills | 0:714293de3836 | 100 | |
ashleymills | 0:714293de3836 | 101 | if (crl->monitors[0].path) |
ashleymills | 0:714293de3836 | 102 | XFREE(crl->monitors[0].path, NULL, DYNAMIC_TYPE_CRL_MONITOR); |
ashleymills | 0:714293de3836 | 103 | |
ashleymills | 0:714293de3836 | 104 | if (crl->monitors[1].path) |
ashleymills | 0:714293de3836 | 105 | XFREE(crl->monitors[1].path, NULL, DYNAMIC_TYPE_CRL_MONITOR); |
ashleymills | 0:714293de3836 | 106 | |
ashleymills | 0:714293de3836 | 107 | while(tmp) { |
ashleymills | 0:714293de3836 | 108 | CRL_Entry* next = tmp->next; |
ashleymills | 0:714293de3836 | 109 | FreeCRL_Entry(tmp); |
ashleymills | 0:714293de3836 | 110 | XFREE(tmp, NULL, DYNAMIC_TYPE_CRL_ENTRY); |
ashleymills | 0:714293de3836 | 111 | tmp = next; |
ashleymills | 0:714293de3836 | 112 | } |
ashleymills | 0:714293de3836 | 113 | |
ashleymills | 0:714293de3836 | 114 | #ifdef HAVE_CRL_MONITOR |
ashleymills | 0:714293de3836 | 115 | if (crl->tid != 0) { |
ashleymills | 0:714293de3836 | 116 | CYASSL_MSG("Canceling monitor thread"); |
ashleymills | 0:714293de3836 | 117 | pthread_cancel(crl->tid); |
ashleymills | 0:714293de3836 | 118 | } |
ashleymills | 0:714293de3836 | 119 | #endif |
ashleymills | 0:714293de3836 | 120 | FreeMutex(&crl->crlLock); |
ashleymills | 0:714293de3836 | 121 | if (dynamic) /* free self */ |
ashleymills | 0:714293de3836 | 122 | XFREE(crl, NULL, DYNAMIC_TYPE_CRL); |
ashleymills | 0:714293de3836 | 123 | } |
ashleymills | 0:714293de3836 | 124 | |
ashleymills | 0:714293de3836 | 125 | |
ashleymills | 0:714293de3836 | 126 | /* Is the cert ok with CRL, return 0 on success */ |
ashleymills | 0:714293de3836 | 127 | int CheckCertCRL(CYASSL_CRL* crl, DecodedCert* cert) |
ashleymills | 0:714293de3836 | 128 | { |
ashleymills | 0:714293de3836 | 129 | CRL_Entry* crle; |
ashleymills | 0:714293de3836 | 130 | int foundEntry = 0; |
ashleymills | 0:714293de3836 | 131 | int ret = 0; |
ashleymills | 0:714293de3836 | 132 | |
ashleymills | 0:714293de3836 | 133 | CYASSL_ENTER("CheckCertCRL"); |
ashleymills | 0:714293de3836 | 134 | |
ashleymills | 0:714293de3836 | 135 | if (LockMutex(&crl->crlLock) != 0) { |
ashleymills | 0:714293de3836 | 136 | CYASSL_MSG("LockMutex failed"); |
ashleymills | 0:714293de3836 | 137 | return BAD_MUTEX_ERROR; |
ashleymills | 0:714293de3836 | 138 | } |
ashleymills | 0:714293de3836 | 139 | |
ashleymills | 0:714293de3836 | 140 | crle = crl->crlList; |
ashleymills | 0:714293de3836 | 141 | |
ashleymills | 0:714293de3836 | 142 | while (crle) { |
ashleymills | 0:714293de3836 | 143 | if (XMEMCMP(crle->issuerHash, cert->issuerHash, SHA_DIGEST_SIZE) == 0) { |
ashleymills | 0:714293de3836 | 144 | CYASSL_MSG("Found CRL Entry on list"); |
ashleymills | 0:714293de3836 | 145 | CYASSL_MSG("Checking next date validity"); |
ashleymills | 0:714293de3836 | 146 | |
ashleymills | 0:714293de3836 | 147 | if (!ValidateDate(crle->nextDate, crle->nextDateFormat, AFTER)) { |
ashleymills | 0:714293de3836 | 148 | CYASSL_MSG("CRL next date is no longer valid"); |
ashleymills | 0:714293de3836 | 149 | ret = ASN_AFTER_DATE_E; |
ashleymills | 0:714293de3836 | 150 | } |
ashleymills | 0:714293de3836 | 151 | else |
ashleymills | 0:714293de3836 | 152 | foundEntry = 1; |
ashleymills | 0:714293de3836 | 153 | break; |
ashleymills | 0:714293de3836 | 154 | } |
ashleymills | 0:714293de3836 | 155 | crle = crle->next; |
ashleymills | 0:714293de3836 | 156 | } |
ashleymills | 0:714293de3836 | 157 | |
ashleymills | 0:714293de3836 | 158 | if (foundEntry) { |
ashleymills | 0:714293de3836 | 159 | RevokedCert* rc = crle->certs; |
ashleymills | 0:714293de3836 | 160 | |
ashleymills | 0:714293de3836 | 161 | while (rc) { |
ashleymills | 0:714293de3836 | 162 | if (XMEMCMP(rc->serialNumber, cert->serial, rc->serialSz) == 0) { |
ashleymills | 0:714293de3836 | 163 | CYASSL_MSG("Cert revoked"); |
ashleymills | 0:714293de3836 | 164 | ret = CRL_CERT_REVOKED; |
ashleymills | 0:714293de3836 | 165 | break; |
ashleymills | 0:714293de3836 | 166 | } |
ashleymills | 0:714293de3836 | 167 | rc = rc->next; |
ashleymills | 0:714293de3836 | 168 | } |
ashleymills | 0:714293de3836 | 169 | } |
ashleymills | 0:714293de3836 | 170 | |
ashleymills | 0:714293de3836 | 171 | UnLockMutex(&crl->crlLock); |
ashleymills | 0:714293de3836 | 172 | |
ashleymills | 0:714293de3836 | 173 | if (foundEntry == 0) { |
ashleymills | 0:714293de3836 | 174 | CYASSL_MSG("Couldn't find CRL for status check"); |
ashleymills | 0:714293de3836 | 175 | ret = CRL_MISSING; |
ashleymills | 0:714293de3836 | 176 | if (crl->cm->cbMissingCRL) { |
ashleymills | 0:714293de3836 | 177 | char url[256]; |
ashleymills | 0:714293de3836 | 178 | |
ashleymills | 0:714293de3836 | 179 | CYASSL_MSG("Issuing missing CRL callback"); |
ashleymills | 0:714293de3836 | 180 | url[0] = '\0'; |
ashleymills | 0:714293de3836 | 181 | if (cert->extCrlInfoSz < (int)sizeof(url) -1 ) { |
ashleymills | 0:714293de3836 | 182 | XMEMCPY(url, cert->extCrlInfo, cert->extCrlInfoSz); |
ashleymills | 0:714293de3836 | 183 | url[cert->extCrlInfoSz] = '\0'; |
ashleymills | 0:714293de3836 | 184 | } |
ashleymills | 0:714293de3836 | 185 | else { |
ashleymills | 0:714293de3836 | 186 | CYASSL_MSG("CRL url too long"); |
ashleymills | 0:714293de3836 | 187 | } |
ashleymills | 0:714293de3836 | 188 | crl->cm->cbMissingCRL(url); |
ashleymills | 0:714293de3836 | 189 | } |
ashleymills | 0:714293de3836 | 190 | } |
ashleymills | 0:714293de3836 | 191 | |
ashleymills | 0:714293de3836 | 192 | |
ashleymills | 0:714293de3836 | 193 | return ret; |
ashleymills | 0:714293de3836 | 194 | } |
ashleymills | 0:714293de3836 | 195 | |
ashleymills | 0:714293de3836 | 196 | |
ashleymills | 0:714293de3836 | 197 | /* Add Decoded CRL, 0 on success */ |
ashleymills | 0:714293de3836 | 198 | static int AddCRL(CYASSL_CRL* crl, DecodedCRL* dcrl) |
ashleymills | 0:714293de3836 | 199 | { |
ashleymills | 0:714293de3836 | 200 | CRL_Entry* crle; |
ashleymills | 0:714293de3836 | 201 | |
ashleymills | 0:714293de3836 | 202 | CYASSL_ENTER("AddCRL"); |
ashleymills | 0:714293de3836 | 203 | |
ashleymills | 0:714293de3836 | 204 | crle = (CRL_Entry*)XMALLOC(sizeof(CRL_Entry), NULL, DYNAMIC_TYPE_CRL_ENTRY); |
ashleymills | 0:714293de3836 | 205 | if (crle == NULL) { |
ashleymills | 0:714293de3836 | 206 | CYASSL_MSG("alloc CRL Entry failed"); |
ashleymills | 0:714293de3836 | 207 | return -1; |
ashleymills | 0:714293de3836 | 208 | } |
ashleymills | 0:714293de3836 | 209 | |
ashleymills | 0:714293de3836 | 210 | if (InitCRL_Entry(crle, dcrl) < 0) { |
ashleymills | 0:714293de3836 | 211 | CYASSL_MSG("Init CRL Entry failed"); |
ashleymills | 0:714293de3836 | 212 | XFREE(crle, NULL, DYNAMIC_TYPE_CRL_ENTRY); |
ashleymills | 0:714293de3836 | 213 | return -1; |
ashleymills | 0:714293de3836 | 214 | } |
ashleymills | 0:714293de3836 | 215 | |
ashleymills | 0:714293de3836 | 216 | if (LockMutex(&crl->crlLock) != 0) { |
ashleymills | 0:714293de3836 | 217 | CYASSL_MSG("LockMutex failed"); |
ashleymills | 0:714293de3836 | 218 | FreeCRL_Entry(crle); |
ashleymills | 0:714293de3836 | 219 | XFREE(crle, NULL, DYNAMIC_TYPE_CRL_ENTRY); |
ashleymills | 0:714293de3836 | 220 | return BAD_MUTEX_ERROR; |
ashleymills | 0:714293de3836 | 221 | } |
ashleymills | 0:714293de3836 | 222 | crle->next = crl->crlList; |
ashleymills | 0:714293de3836 | 223 | crl->crlList = crle; |
ashleymills | 0:714293de3836 | 224 | UnLockMutex(&crl->crlLock); |
ashleymills | 0:714293de3836 | 225 | |
ashleymills | 0:714293de3836 | 226 | return 0; |
ashleymills | 0:714293de3836 | 227 | } |
ashleymills | 0:714293de3836 | 228 | |
ashleymills | 0:714293de3836 | 229 | |
ashleymills | 0:714293de3836 | 230 | /* Load CRL File of type, SSL_SUCCESS on ok */ |
ashleymills | 0:714293de3836 | 231 | int BufferLoadCRL(CYASSL_CRL* crl, const byte* buff, long sz, int type) |
ashleymills | 0:714293de3836 | 232 | { |
ashleymills | 0:714293de3836 | 233 | int ret = SSL_SUCCESS; |
ashleymills | 0:714293de3836 | 234 | const byte* myBuffer = buff; /* if DER ok, otherwise switch */ |
ashleymills | 0:714293de3836 | 235 | buffer der; |
ashleymills | 0:714293de3836 | 236 | DecodedCRL dcrl; |
ashleymills | 0:714293de3836 | 237 | |
ashleymills | 0:714293de3836 | 238 | der.buffer = NULL; |
ashleymills | 0:714293de3836 | 239 | |
ashleymills | 0:714293de3836 | 240 | CYASSL_ENTER("BufferLoadCRL"); |
ashleymills | 0:714293de3836 | 241 | |
ashleymills | 0:714293de3836 | 242 | if (crl == NULL || buff == NULL || sz == 0) |
ashleymills | 0:714293de3836 | 243 | return BAD_FUNC_ARG; |
ashleymills | 0:714293de3836 | 244 | |
ashleymills | 0:714293de3836 | 245 | if (type == SSL_FILETYPE_PEM) { |
ashleymills | 0:714293de3836 | 246 | int eccKey = 0; /* not used */ |
ashleymills | 0:714293de3836 | 247 | EncryptedInfo info; |
ashleymills | 0:714293de3836 | 248 | info.ctx = NULL; |
ashleymills | 0:714293de3836 | 249 | |
ashleymills | 0:714293de3836 | 250 | ret = PemToDer(buff, sz, CRL_TYPE, &der, NULL, &info, &eccKey); |
ashleymills | 0:714293de3836 | 251 | if (ret == 0) { |
ashleymills | 0:714293de3836 | 252 | myBuffer = der.buffer; |
ashleymills | 0:714293de3836 | 253 | sz = der.length; |
ashleymills | 0:714293de3836 | 254 | } |
ashleymills | 0:714293de3836 | 255 | else { |
ashleymills | 0:714293de3836 | 256 | CYASSL_MSG("Pem to Der failed"); |
ashleymills | 0:714293de3836 | 257 | return -1; |
ashleymills | 0:714293de3836 | 258 | } |
ashleymills | 0:714293de3836 | 259 | } |
ashleymills | 0:714293de3836 | 260 | |
ashleymills | 0:714293de3836 | 261 | InitDecodedCRL(&dcrl); |
ashleymills | 0:714293de3836 | 262 | ret = ParseCRL(&dcrl, myBuffer, (word32)sz, crl->cm); |
ashleymills | 0:714293de3836 | 263 | if (ret != 0) { |
ashleymills | 0:714293de3836 | 264 | CYASSL_MSG("ParseCRL error"); |
ashleymills | 0:714293de3836 | 265 | } |
ashleymills | 0:714293de3836 | 266 | else { |
ashleymills | 0:714293de3836 | 267 | ret = AddCRL(crl, &dcrl); |
ashleymills | 0:714293de3836 | 268 | if (ret != 0) { |
ashleymills | 0:714293de3836 | 269 | CYASSL_MSG("AddCRL error"); |
ashleymills | 0:714293de3836 | 270 | } |
ashleymills | 0:714293de3836 | 271 | } |
ashleymills | 0:714293de3836 | 272 | FreeDecodedCRL(&dcrl); |
ashleymills | 0:714293de3836 | 273 | |
ashleymills | 0:714293de3836 | 274 | if (der.buffer) |
ashleymills | 0:714293de3836 | 275 | XFREE(der.buffer, NULL, DYNAMIC_TYPE_CRL); |
ashleymills | 0:714293de3836 | 276 | |
ashleymills | 0:714293de3836 | 277 | if (ret == 0) |
ashleymills | 0:714293de3836 | 278 | return SSL_SUCCESS; /* convert */ |
ashleymills | 0:714293de3836 | 279 | return ret; |
ashleymills | 0:714293de3836 | 280 | } |
ashleymills | 0:714293de3836 | 281 | |
ashleymills | 0:714293de3836 | 282 | |
ashleymills | 0:714293de3836 | 283 | #ifdef HAVE_CRL_MONITOR |
ashleymills | 0:714293de3836 | 284 | |
ashleymills | 0:714293de3836 | 285 | |
ashleymills | 0:714293de3836 | 286 | /* read in new CRL entries and save new list */ |
ashleymills | 0:714293de3836 | 287 | static int SwapLists(CYASSL_CRL* crl) |
ashleymills | 0:714293de3836 | 288 | { |
ashleymills | 0:714293de3836 | 289 | int ret; |
ashleymills | 0:714293de3836 | 290 | CYASSL_CRL tmp; |
ashleymills | 0:714293de3836 | 291 | CRL_Entry* newList; |
ashleymills | 0:714293de3836 | 292 | |
ashleymills | 0:714293de3836 | 293 | if (InitCRL(&tmp, crl->cm) < 0) { |
ashleymills | 0:714293de3836 | 294 | CYASSL_MSG("Init tmp CRL failed"); |
ashleymills | 0:714293de3836 | 295 | return -1; |
ashleymills | 0:714293de3836 | 296 | } |
ashleymills | 0:714293de3836 | 297 | |
ashleymills | 0:714293de3836 | 298 | if (crl->monitors[0].path) { |
ashleymills | 0:714293de3836 | 299 | ret = LoadCRL(&tmp, crl->monitors[0].path, SSL_FILETYPE_PEM, 0); |
ashleymills | 0:714293de3836 | 300 | if (ret != SSL_SUCCESS) { |
ashleymills | 0:714293de3836 | 301 | CYASSL_MSG("PEM LoadCRL on dir change failed"); |
ashleymills | 0:714293de3836 | 302 | FreeCRL(&tmp, 0); |
ashleymills | 0:714293de3836 | 303 | return -1; |
ashleymills | 0:714293de3836 | 304 | } |
ashleymills | 0:714293de3836 | 305 | } |
ashleymills | 0:714293de3836 | 306 | |
ashleymills | 0:714293de3836 | 307 | if (crl->monitors[1].path) { |
ashleymills | 0:714293de3836 | 308 | ret = LoadCRL(&tmp, crl->monitors[1].path, SSL_FILETYPE_ASN1, 0); |
ashleymills | 0:714293de3836 | 309 | if (ret != SSL_SUCCESS) { |
ashleymills | 0:714293de3836 | 310 | CYASSL_MSG("DER LoadCRL on dir change failed"); |
ashleymills | 0:714293de3836 | 311 | FreeCRL(&tmp, 0); |
ashleymills | 0:714293de3836 | 312 | return -1; |
ashleymills | 0:714293de3836 | 313 | } |
ashleymills | 0:714293de3836 | 314 | } |
ashleymills | 0:714293de3836 | 315 | |
ashleymills | 0:714293de3836 | 316 | if (LockMutex(&crl->crlLock) != 0) { |
ashleymills | 0:714293de3836 | 317 | CYASSL_MSG("LockMutex failed"); |
ashleymills | 0:714293de3836 | 318 | FreeCRL(&tmp, 0); |
ashleymills | 0:714293de3836 | 319 | return -1; |
ashleymills | 0:714293de3836 | 320 | } |
ashleymills | 0:714293de3836 | 321 | |
ashleymills | 0:714293de3836 | 322 | newList = tmp.crlList; |
ashleymills | 0:714293de3836 | 323 | |
ashleymills | 0:714293de3836 | 324 | /* swap lists */ |
ashleymills | 0:714293de3836 | 325 | tmp.crlList = crl->crlList; |
ashleymills | 0:714293de3836 | 326 | crl->crlList = newList; |
ashleymills | 0:714293de3836 | 327 | |
ashleymills | 0:714293de3836 | 328 | UnLockMutex(&crl->crlLock); |
ashleymills | 0:714293de3836 | 329 | |
ashleymills | 0:714293de3836 | 330 | FreeCRL(&tmp, 0); |
ashleymills | 0:714293de3836 | 331 | |
ashleymills | 0:714293de3836 | 332 | return 0; |
ashleymills | 0:714293de3836 | 333 | } |
ashleymills | 0:714293de3836 | 334 | |
ashleymills | 0:714293de3836 | 335 | |
ashleymills | 0:714293de3836 | 336 | #if (defined(__MACH__) || defined(__FreeBSD__)) |
ashleymills | 0:714293de3836 | 337 | |
ashleymills | 0:714293de3836 | 338 | #include <sys/types.h> |
ashleymills | 0:714293de3836 | 339 | #include <sys/event.h> |
ashleymills | 0:714293de3836 | 340 | #include <sys/time.h> |
ashleymills | 0:714293de3836 | 341 | #include <fcntl.h> |
ashleymills | 0:714293de3836 | 342 | |
ashleymills | 0:714293de3836 | 343 | #ifdef __MACH__ |
ashleymills | 0:714293de3836 | 344 | #define XEVENT_MODE O_EVTONLY |
ashleymills | 0:714293de3836 | 345 | #elif defined(__FreeBSD__) |
ashleymills | 0:714293de3836 | 346 | #define XEVENT_MODE EVFILT_VNODE |
ashleymills | 0:714293de3836 | 347 | #endif |
ashleymills | 0:714293de3836 | 348 | |
ashleymills | 0:714293de3836 | 349 | |
ashleymills | 0:714293de3836 | 350 | /* OS X monitoring */ |
ashleymills | 0:714293de3836 | 351 | static void* DoMonitor(void* arg) |
ashleymills | 0:714293de3836 | 352 | { |
ashleymills | 0:714293de3836 | 353 | int fPEM, fDER, kq; |
ashleymills | 0:714293de3836 | 354 | struct kevent change; |
ashleymills | 0:714293de3836 | 355 | |
ashleymills | 0:714293de3836 | 356 | CYASSL_CRL* crl = (CYASSL_CRL*)arg; |
ashleymills | 0:714293de3836 | 357 | |
ashleymills | 0:714293de3836 | 358 | CYASSL_ENTER("DoMonitor"); |
ashleymills | 0:714293de3836 | 359 | |
ashleymills | 0:714293de3836 | 360 | kq = kqueue(); |
ashleymills | 0:714293de3836 | 361 | if (kq == -1) { |
ashleymills | 0:714293de3836 | 362 | CYASSL_MSG("kqueue failed"); |
ashleymills | 0:714293de3836 | 363 | return NULL; |
ashleymills | 0:714293de3836 | 364 | } |
ashleymills | 0:714293de3836 | 365 | |
ashleymills | 0:714293de3836 | 366 | fPEM = -1; |
ashleymills | 0:714293de3836 | 367 | fDER = -1; |
ashleymills | 0:714293de3836 | 368 | |
ashleymills | 0:714293de3836 | 369 | if (crl->monitors[0].path) { |
ashleymills | 0:714293de3836 | 370 | fPEM = open(crl->monitors[0].path, XEVENT_MODE); |
ashleymills | 0:714293de3836 | 371 | if (fPEM == -1) { |
ashleymills | 0:714293de3836 | 372 | CYASSL_MSG("PEM event dir open failed"); |
ashleymills | 0:714293de3836 | 373 | return NULL; |
ashleymills | 0:714293de3836 | 374 | } |
ashleymills | 0:714293de3836 | 375 | } |
ashleymills | 0:714293de3836 | 376 | |
ashleymills | 0:714293de3836 | 377 | if (crl->monitors[1].path) { |
ashleymills | 0:714293de3836 | 378 | fDER = open(crl->monitors[1].path, XEVENT_MODE); |
ashleymills | 0:714293de3836 | 379 | if (fDER == -1) { |
ashleymills | 0:714293de3836 | 380 | CYASSL_MSG("DER event dir open failed"); |
ashleymills | 0:714293de3836 | 381 | return NULL; |
ashleymills | 0:714293de3836 | 382 | } |
ashleymills | 0:714293de3836 | 383 | } |
ashleymills | 0:714293de3836 | 384 | |
ashleymills | 0:714293de3836 | 385 | if (fPEM != -1) |
ashleymills | 0:714293de3836 | 386 | EV_SET(&change, fPEM, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT, |
ashleymills | 0:714293de3836 | 387 | NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB, 0, 0); |
ashleymills | 0:714293de3836 | 388 | |
ashleymills | 0:714293de3836 | 389 | if (fDER != -1) |
ashleymills | 0:714293de3836 | 390 | EV_SET(&change, fDER, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT, |
ashleymills | 0:714293de3836 | 391 | NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB, 0, 0); |
ashleymills | 0:714293de3836 | 392 | |
ashleymills | 0:714293de3836 | 393 | for (;;) { |
ashleymills | 0:714293de3836 | 394 | struct kevent event; |
ashleymills | 0:714293de3836 | 395 | int numEvents = kevent(kq, &change, 1, &event, 1, NULL); |
ashleymills | 0:714293de3836 | 396 | |
ashleymills | 0:714293de3836 | 397 | CYASSL_MSG("Got kevent"); |
ashleymills | 0:714293de3836 | 398 | |
ashleymills | 0:714293de3836 | 399 | if (numEvents == -1) { |
ashleymills | 0:714293de3836 | 400 | CYASSL_MSG("kevent problem, continue"); |
ashleymills | 0:714293de3836 | 401 | continue; |
ashleymills | 0:714293de3836 | 402 | } |
ashleymills | 0:714293de3836 | 403 | |
ashleymills | 0:714293de3836 | 404 | if (SwapLists(crl) < 0) { |
ashleymills | 0:714293de3836 | 405 | CYASSL_MSG("SwapLists problem, continue"); |
ashleymills | 0:714293de3836 | 406 | } |
ashleymills | 0:714293de3836 | 407 | } |
ashleymills | 0:714293de3836 | 408 | |
ashleymills | 0:714293de3836 | 409 | return NULL; |
ashleymills | 0:714293de3836 | 410 | } |
ashleymills | 0:714293de3836 | 411 | |
ashleymills | 0:714293de3836 | 412 | |
ashleymills | 0:714293de3836 | 413 | #elif defined(__linux__) |
ashleymills | 0:714293de3836 | 414 | |
ashleymills | 0:714293de3836 | 415 | #include <sys/types.h> |
ashleymills | 0:714293de3836 | 416 | #include <sys/inotify.h> |
ashleymills | 0:714293de3836 | 417 | #include <unistd.h> |
ashleymills | 0:714293de3836 | 418 | |
ashleymills | 0:714293de3836 | 419 | /* linux monitoring */ |
ashleymills | 0:714293de3836 | 420 | static void* DoMonitor(void* arg) |
ashleymills | 0:714293de3836 | 421 | { |
ashleymills | 0:714293de3836 | 422 | int notifyFd; |
ashleymills | 0:714293de3836 | 423 | int wd; |
ashleymills | 0:714293de3836 | 424 | CYASSL_CRL* crl = (CYASSL_CRL*)arg; |
ashleymills | 0:714293de3836 | 425 | |
ashleymills | 0:714293de3836 | 426 | CYASSL_ENTER("DoMonitor"); |
ashleymills | 0:714293de3836 | 427 | |
ashleymills | 0:714293de3836 | 428 | notifyFd = inotify_init(); |
ashleymills | 0:714293de3836 | 429 | if (notifyFd < 0) { |
ashleymills | 0:714293de3836 | 430 | CYASSL_MSG("inotify failed"); |
ashleymills | 0:714293de3836 | 431 | return NULL; |
ashleymills | 0:714293de3836 | 432 | } |
ashleymills | 0:714293de3836 | 433 | |
ashleymills | 0:714293de3836 | 434 | if (crl->monitors[0].path) { |
ashleymills | 0:714293de3836 | 435 | wd = inotify_add_watch(notifyFd, crl->monitors[0].path, IN_CLOSE_WRITE | |
ashleymills | 0:714293de3836 | 436 | IN_DELETE); |
ashleymills | 0:714293de3836 | 437 | if (wd < 0) { |
ashleymills | 0:714293de3836 | 438 | CYASSL_MSG("PEM notify add watch failed"); |
ashleymills | 0:714293de3836 | 439 | return NULL; |
ashleymills | 0:714293de3836 | 440 | } |
ashleymills | 0:714293de3836 | 441 | } |
ashleymills | 0:714293de3836 | 442 | |
ashleymills | 0:714293de3836 | 443 | if (crl->monitors[1].path) { |
ashleymills | 0:714293de3836 | 444 | wd = inotify_add_watch(notifyFd, crl->monitors[1].path, IN_CLOSE_WRITE | |
ashleymills | 0:714293de3836 | 445 | IN_DELETE); |
ashleymills | 0:714293de3836 | 446 | if (wd < 0) { |
ashleymills | 0:714293de3836 | 447 | CYASSL_MSG("DER notify add watch failed"); |
ashleymills | 0:714293de3836 | 448 | return NULL; |
ashleymills | 0:714293de3836 | 449 | } |
ashleymills | 0:714293de3836 | 450 | } |
ashleymills | 0:714293de3836 | 451 | |
ashleymills | 0:714293de3836 | 452 | for (;;) { |
ashleymills | 0:714293de3836 | 453 | char buff[8192]; |
ashleymills | 0:714293de3836 | 454 | int length = read(notifyFd, buff, sizeof(buff)); |
ashleymills | 0:714293de3836 | 455 | |
ashleymills | 0:714293de3836 | 456 | CYASSL_MSG("Got notify event"); |
ashleymills | 0:714293de3836 | 457 | |
ashleymills | 0:714293de3836 | 458 | if (length < 0) { |
ashleymills | 0:714293de3836 | 459 | CYASSL_MSG("notify read problem, continue"); |
ashleymills | 0:714293de3836 | 460 | continue; |
ashleymills | 0:714293de3836 | 461 | } |
ashleymills | 0:714293de3836 | 462 | |
ashleymills | 0:714293de3836 | 463 | if (SwapLists(crl) < 0) { |
ashleymills | 0:714293de3836 | 464 | CYASSL_MSG("SwapLists problem, continue"); |
ashleymills | 0:714293de3836 | 465 | } |
ashleymills | 0:714293de3836 | 466 | } |
ashleymills | 0:714293de3836 | 467 | |
ashleymills | 0:714293de3836 | 468 | return NULL; |
ashleymills | 0:714293de3836 | 469 | } |
ashleymills | 0:714293de3836 | 470 | |
ashleymills | 0:714293de3836 | 471 | |
ashleymills | 0:714293de3836 | 472 | #else |
ashleymills | 0:714293de3836 | 473 | |
ashleymills | 0:714293de3836 | 474 | #error "CRL monitor only currently supported on linux or mach" |
ashleymills | 0:714293de3836 | 475 | |
ashleymills | 0:714293de3836 | 476 | #endif /* MACH or linux */ |
ashleymills | 0:714293de3836 | 477 | |
ashleymills | 0:714293de3836 | 478 | |
ashleymills | 0:714293de3836 | 479 | /* Start Monitoring the CRL path(s) in a thread */ |
ashleymills | 0:714293de3836 | 480 | static int StartMonitorCRL(CYASSL_CRL* crl) |
ashleymills | 0:714293de3836 | 481 | { |
ashleymills | 0:714293de3836 | 482 | pthread_attr_t attr; |
ashleymills | 0:714293de3836 | 483 | |
ashleymills | 0:714293de3836 | 484 | CYASSL_ENTER("StartMonitorCRL"); |
ashleymills | 0:714293de3836 | 485 | |
ashleymills | 0:714293de3836 | 486 | if (crl == NULL) |
ashleymills | 0:714293de3836 | 487 | return BAD_FUNC_ARG; |
ashleymills | 0:714293de3836 | 488 | |
ashleymills | 0:714293de3836 | 489 | if (crl->tid != 0) { |
ashleymills | 0:714293de3836 | 490 | CYASSL_MSG("Monitor thread already running"); |
ashleymills | 0:714293de3836 | 491 | return MONITOR_RUNNING_E; |
ashleymills | 0:714293de3836 | 492 | } |
ashleymills | 0:714293de3836 | 493 | |
ashleymills | 0:714293de3836 | 494 | pthread_attr_init(&attr); |
ashleymills | 0:714293de3836 | 495 | |
ashleymills | 0:714293de3836 | 496 | if (pthread_create(&crl->tid, &attr, DoMonitor, crl) != 0) { |
ashleymills | 0:714293de3836 | 497 | CYASSL_MSG("Thread creation error"); |
ashleymills | 0:714293de3836 | 498 | return THREAD_CREATE_E; |
ashleymills | 0:714293de3836 | 499 | } |
ashleymills | 0:714293de3836 | 500 | |
ashleymills | 0:714293de3836 | 501 | return SSL_SUCCESS; |
ashleymills | 0:714293de3836 | 502 | } |
ashleymills | 0:714293de3836 | 503 | |
ashleymills | 0:714293de3836 | 504 | |
ashleymills | 0:714293de3836 | 505 | #else /* HAVE_CRL_MONITOR */ |
ashleymills | 0:714293de3836 | 506 | |
ashleymills | 0:714293de3836 | 507 | static int StartMonitorCRL(CYASSL_CRL* crl) |
ashleymills | 0:714293de3836 | 508 | { |
ashleymills | 0:714293de3836 | 509 | (void)crl; |
ashleymills | 0:714293de3836 | 510 | |
ashleymills | 0:714293de3836 | 511 | CYASSL_ENTER("StartMonitorCRL"); |
ashleymills | 0:714293de3836 | 512 | CYASSL_MSG("Not compiled in"); |
ashleymills | 0:714293de3836 | 513 | |
ashleymills | 0:714293de3836 | 514 | return NOT_COMPILED_IN; |
ashleymills | 0:714293de3836 | 515 | } |
ashleymills | 0:714293de3836 | 516 | |
ashleymills | 0:714293de3836 | 517 | #endif /* HAVE_CRL_MONITOR */ |
ashleymills | 0:714293de3836 | 518 | |
ashleymills | 0:714293de3836 | 519 | |
ashleymills | 0:714293de3836 | 520 | /* Load CRL path files of type, SSL_SUCCESS on ok */ |
ashleymills | 0:714293de3836 | 521 | int LoadCRL(CYASSL_CRL* crl, const char* path, int type, int monitor) |
ashleymills | 0:714293de3836 | 522 | { |
ashleymills | 0:714293de3836 | 523 | struct dirent* entry; |
ashleymills | 0:714293de3836 | 524 | DIR* dir; |
ashleymills | 0:714293de3836 | 525 | int ret = SSL_SUCCESS; |
ashleymills | 0:714293de3836 | 526 | |
ashleymills | 0:714293de3836 | 527 | CYASSL_ENTER("LoadCRL"); |
ashleymills | 0:714293de3836 | 528 | if (crl == NULL) |
ashleymills | 0:714293de3836 | 529 | return BAD_FUNC_ARG; |
ashleymills | 0:714293de3836 | 530 | |
ashleymills | 0:714293de3836 | 531 | dir = opendir(path); |
ashleymills | 0:714293de3836 | 532 | if (dir == NULL) { |
ashleymills | 0:714293de3836 | 533 | CYASSL_MSG("opendir path crl load failed"); |
ashleymills | 0:714293de3836 | 534 | return BAD_PATH_ERROR; |
ashleymills | 0:714293de3836 | 535 | } |
ashleymills | 0:714293de3836 | 536 | while ( (entry = readdir(dir)) != NULL) { |
ashleymills | 0:714293de3836 | 537 | char name[MAX_FILENAME_SZ]; |
ashleymills | 0:714293de3836 | 538 | struct stat s; |
ashleymills | 0:714293de3836 | 539 | |
ashleymills | 0:714293de3836 | 540 | XMEMSET(name, 0, sizeof(name)); |
ashleymills | 0:714293de3836 | 541 | XSTRNCPY(name, path, MAX_FILENAME_SZ/2 - 2); |
ashleymills | 0:714293de3836 | 542 | XSTRNCAT(name, "/", 1); |
ashleymills | 0:714293de3836 | 543 | XSTRNCAT(name, entry->d_name, MAX_FILENAME_SZ/2); |
ashleymills | 0:714293de3836 | 544 | |
ashleymills | 0:714293de3836 | 545 | if (stat(name, &s) != 0) { |
ashleymills | 0:714293de3836 | 546 | CYASSL_MSG("stat on name failed"); |
ashleymills | 0:714293de3836 | 547 | continue; |
ashleymills | 0:714293de3836 | 548 | } |
ashleymills | 0:714293de3836 | 549 | if (s.st_mode & S_IFREG) { |
ashleymills | 0:714293de3836 | 550 | |
ashleymills | 0:714293de3836 | 551 | if (type == SSL_FILETYPE_PEM) { |
ashleymills | 0:714293de3836 | 552 | if (strstr(entry->d_name, ".pem") == NULL) { |
ashleymills | 0:714293de3836 | 553 | CYASSL_MSG("not .pem file, skipping"); |
ashleymills | 0:714293de3836 | 554 | continue; |
ashleymills | 0:714293de3836 | 555 | } |
ashleymills | 0:714293de3836 | 556 | } |
ashleymills | 0:714293de3836 | 557 | else { |
ashleymills | 0:714293de3836 | 558 | if (strstr(entry->d_name, ".der") == NULL && |
ashleymills | 0:714293de3836 | 559 | strstr(entry->d_name, ".crl") == NULL) { |
ashleymills | 0:714293de3836 | 560 | |
ashleymills | 0:714293de3836 | 561 | CYASSL_MSG("not .der or .crl file, skipping"); |
ashleymills | 0:714293de3836 | 562 | continue; |
ashleymills | 0:714293de3836 | 563 | } |
ashleymills | 0:714293de3836 | 564 | } |
ashleymills | 0:714293de3836 | 565 | |
ashleymills | 0:714293de3836 | 566 | if (ProcessFile(NULL, name, type, CRL_TYPE, NULL, 0, crl) |
ashleymills | 0:714293de3836 | 567 | != SSL_SUCCESS) { |
ashleymills | 0:714293de3836 | 568 | CYASSL_MSG("CRL file load failed, continuing"); |
ashleymills | 0:714293de3836 | 569 | } |
ashleymills | 0:714293de3836 | 570 | } |
ashleymills | 0:714293de3836 | 571 | } |
ashleymills | 0:714293de3836 | 572 | |
ashleymills | 0:714293de3836 | 573 | if (monitor & CYASSL_CRL_MONITOR) { |
ashleymills | 0:714293de3836 | 574 | CYASSL_MSG("monitor path requested"); |
ashleymills | 0:714293de3836 | 575 | |
ashleymills | 0:714293de3836 | 576 | if (type == SSL_FILETYPE_PEM) { |
ashleymills | 0:714293de3836 | 577 | crl->monitors[0].path = strdup(path); |
ashleymills | 0:714293de3836 | 578 | crl->monitors[0].type = SSL_FILETYPE_PEM; |
ashleymills | 0:714293de3836 | 579 | if (crl->monitors[0].path == NULL) |
ashleymills | 0:714293de3836 | 580 | ret = MEMORY_E; |
ashleymills | 0:714293de3836 | 581 | } else { |
ashleymills | 0:714293de3836 | 582 | crl->monitors[1].path = strdup(path); |
ashleymills | 0:714293de3836 | 583 | crl->monitors[1].type = SSL_FILETYPE_ASN1; |
ashleymills | 0:714293de3836 | 584 | if (crl->monitors[1].path == NULL) |
ashleymills | 0:714293de3836 | 585 | ret = MEMORY_E; |
ashleymills | 0:714293de3836 | 586 | } |
ashleymills | 0:714293de3836 | 587 | |
ashleymills | 0:714293de3836 | 588 | if (monitor & CYASSL_CRL_START_MON) { |
ashleymills | 0:714293de3836 | 589 | CYASSL_MSG("start monitoring requested"); |
ashleymills | 0:714293de3836 | 590 | |
ashleymills | 0:714293de3836 | 591 | ret = StartMonitorCRL(crl); |
ashleymills | 0:714293de3836 | 592 | } |
ashleymills | 0:714293de3836 | 593 | } |
ashleymills | 0:714293de3836 | 594 | |
ashleymills | 0:714293de3836 | 595 | closedir(dir); |
ashleymills | 0:714293de3836 | 596 | |
ashleymills | 0:714293de3836 | 597 | return ret; |
ashleymills | 0:714293de3836 | 598 | } |
ashleymills | 0:714293de3836 | 599 | |
ashleymills | 0:714293de3836 | 600 | #endif /* HAVE_CRL */ |