1 /* 2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 # include <stdio.h> 11 # include "internal/cryptlib.h" 12 # include <openssl/conf.h> 13 # include <openssl/asn1.h> 14 # include <openssl/ocsp.h> 15 # include "ocsp_lcl.h" 16 # include <openssl/x509v3.h> 17 # include "../x509v3/ext_dat.h" 18 19 /* 20 * OCSP extensions and a couple of CRL entry extensions 21 */ 22 23 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *nonce, 24 BIO *out, int indent); 25 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce, 26 BIO *out, int indent); 27 static int i2r_object(const X509V3_EXT_METHOD *method, void *obj, BIO *out, 28 int indent); 29 30 static void *ocsp_nonce_new(void); 31 static int i2d_ocsp_nonce(void *a, unsigned char **pp); 32 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length); 33 static void ocsp_nonce_free(void *a); 34 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce, 35 BIO *out, int indent); 36 37 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, 38 void *nocheck, BIO *out, int indent); 39 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, 40 X509V3_CTX *ctx, const char *str); 41 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in, 42 BIO *bp, int ind); 43 44 const X509V3_EXT_METHOD v3_ocsp_crlid = { 45 NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID), 46 0, 0, 0, 0, 47 0, 0, 48 0, 0, 49 i2r_ocsp_crlid, 0, 50 NULL 51 }; 52 53 const X509V3_EXT_METHOD v3_ocsp_acutoff = { 54 NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME), 55 0, 0, 0, 0, 56 0, 0, 57 0, 0, 58 i2r_ocsp_acutoff, 0, 59 NULL 60 }; 61 62 const X509V3_EXT_METHOD v3_crl_invdate = { 63 NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME), 64 0, 0, 0, 0, 65 0, 0, 66 0, 0, 67 i2r_ocsp_acutoff, 0, 68 NULL 69 }; 70 71 const X509V3_EXT_METHOD v3_crl_hold = { 72 NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT), 73 0, 0, 0, 0, 74 0, 0, 75 0, 0, 76 i2r_object, 0, 77 NULL 78 }; 79 80 const X509V3_EXT_METHOD v3_ocsp_nonce = { 81 NID_id_pkix_OCSP_Nonce, 0, NULL, 82 ocsp_nonce_new, 83 ocsp_nonce_free, 84 d2i_ocsp_nonce, 85 i2d_ocsp_nonce, 86 0, 0, 87 0, 0, 88 i2r_ocsp_nonce, 0, 89 NULL 90 }; 91 92 const X509V3_EXT_METHOD v3_ocsp_nocheck = { 93 NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL), 94 0, 0, 0, 0, 95 0, s2i_ocsp_nocheck, 96 0, 0, 97 i2r_ocsp_nocheck, 0, 98 NULL 99 }; 100 101 const X509V3_EXT_METHOD v3_ocsp_serviceloc = { 102 NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC), 103 0, 0, 0, 0, 104 0, 0, 105 0, 0, 106 i2r_ocsp_serviceloc, 0, 107 NULL 108 }; 109 110 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *in, BIO *bp, 111 int ind) 112 { 113 OCSP_CRLID *a = in; 114 if (a->crlUrl) { 115 if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0) 116 goto err; 117 if (!ASN1_STRING_print(bp, (ASN1_STRING *)a->crlUrl)) 118 goto err; 119 if (BIO_write(bp, "\n", 1) <= 0) 120 goto err; 121 } 122 if (a->crlNum) { 123 if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0) 124 goto err; 125 if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0) 126 goto err; 127 if (BIO_write(bp, "\n", 1) <= 0) 128 goto err; 129 } 130 if (a->crlTime) { 131 if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0) 132 goto err; 133 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) 134 goto err; 135 if (BIO_write(bp, "\n", 1) <= 0) 136 goto err; 137 } 138 return 1; 139 err: 140 return 0; 141 } 142 143 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff, 144 BIO *bp, int ind) 145 { 146 if (BIO_printf(bp, "%*s", ind, "") <= 0) 147 return 0; 148 if (!ASN1_GENERALIZEDTIME_print(bp, cutoff)) 149 return 0; 150 return 1; 151 } 152 153 static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp, 154 int ind) 155 { 156 if (BIO_printf(bp, "%*s", ind, "") <= 0) 157 return 0; 158 if (i2a_ASN1_OBJECT(bp, oid) <= 0) 159 return 0; 160 return 1; 161 } 162 163 /* 164 * OCSP nonce. This is needs special treatment because it doesn't have an 165 * ASN1 encoding at all: it just contains arbitrary data. 166 */ 167 168 static void *ocsp_nonce_new(void) 169 { 170 return ASN1_OCTET_STRING_new(); 171 } 172 173 static int i2d_ocsp_nonce(void *a, unsigned char **pp) 174 { 175 ASN1_OCTET_STRING *os = a; 176 if (pp) { 177 memcpy(*pp, os->data, os->length); 178 *pp += os->length; 179 } 180 return os->length; 181 } 182 183 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length) 184 { 185 ASN1_OCTET_STRING *os, **pos; 186 pos = a; 187 if (pos == NULL || *pos == NULL) { 188 os = ASN1_OCTET_STRING_new(); 189 if (os == NULL) 190 goto err; 191 } else { 192 os = *pos; 193 } 194 if (!ASN1_OCTET_STRING_set(os, *pp, length)) 195 goto err; 196 197 *pp += length; 198 199 if (pos) 200 *pos = os; 201 return os; 202 203 err: 204 if ((pos == NULL) || (*pos != os)) 205 ASN1_OCTET_STRING_free(os); 206 OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE); 207 return NULL; 208 } 209 210 static void ocsp_nonce_free(void *a) 211 { 212 ASN1_OCTET_STRING_free(a); 213 } 214 215 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce, 216 BIO *out, int indent) 217 { 218 if (BIO_printf(out, "%*s", indent, "") <= 0) 219 return 0; 220 if (i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) 221 return 0; 222 return 1; 223 } 224 225 /* Nocheck is just a single NULL. Don't print anything and always set it */ 226 227 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, void *nocheck, 228 BIO *out, int indent) 229 { 230 return 1; 231 } 232 233 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, 234 X509V3_CTX *ctx, const char *str) 235 { 236 return ASN1_NULL_new(); 237 } 238 239 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in, 240 BIO *bp, int ind) 241 { 242 int i; 243 OCSP_SERVICELOC *a = in; 244 ACCESS_DESCRIPTION *ad; 245 246 if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) 247 goto err; 248 if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) 249 goto err; 250 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++) { 251 ad = sk_ACCESS_DESCRIPTION_value(a->locator, i); 252 if (BIO_printf(bp, "\n%*s", (2 * ind), "") <= 0) 253 goto err; 254 if (i2a_ASN1_OBJECT(bp, ad->method) <= 0) 255 goto err; 256 if (BIO_puts(bp, " - ") <= 0) 257 goto err; 258 if (GENERAL_NAME_print(bp, ad->location) <= 0) 259 goto err; 260 } 261 return 1; 262 err: 263 return 0; 264 } 265