yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2021 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/buffer.h> |
| 13 | #include <openssl/bn.h> |
| 14 | #include <openssl/objects.h> |
| 15 | #include <openssl/x509.h> |
| 16 | #include <openssl/x509v3.h> |
| 17 | #include "crypto/asn1.h" |
| 18 | |
| 19 | #ifndef OPENSSL_NO_STDIO |
| 20 | int X509_print_fp(FILE *fp, X509 *x) |
| 21 | { |
| 22 | return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); |
| 23 | } |
| 24 | |
| 25 | int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, |
| 26 | unsigned long cflag) |
| 27 | { |
| 28 | BIO *b; |
| 29 | int ret; |
| 30 | |
| 31 | if ((b = BIO_new(BIO_s_file())) == NULL) { |
| 32 | X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB); |
| 33 | return 0; |
| 34 | } |
| 35 | BIO_set_fp(b, fp, BIO_NOCLOSE); |
| 36 | ret = X509_print_ex(b, x, nmflag, cflag); |
| 37 | BIO_free(b); |
| 38 | return ret; |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | int X509_print(BIO *bp, X509 *x) |
| 43 | { |
| 44 | return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); |
| 45 | } |
| 46 | |
| 47 | int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, |
| 48 | unsigned long cflag) |
| 49 | { |
| 50 | long l; |
| 51 | int ret = 0, i; |
| 52 | char *m = NULL, mlch = ' '; |
| 53 | int nmindent = 0; |
| 54 | ASN1_INTEGER *bs; |
| 55 | EVP_PKEY *pkey = NULL; |
| 56 | const char *neg; |
| 57 | |
| 58 | if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { |
| 59 | mlch = '\n'; |
| 60 | nmindent = 12; |
| 61 | } |
| 62 | |
| 63 | if (nmflags == X509_FLAG_COMPAT) |
| 64 | nmindent = 16; |
| 65 | |
| 66 | if (!(cflag & X509_FLAG_NO_HEADER)) { |
| 67 | if (BIO_write(bp, "Certificate:\n", 13) <= 0) |
| 68 | goto err; |
| 69 | if (BIO_write(bp, " Data:\n", 10) <= 0) |
| 70 | goto err; |
| 71 | } |
| 72 | if (!(cflag & X509_FLAG_NO_VERSION)) { |
| 73 | l = X509_get_version(x); |
| 74 | if (l >= 0 && l <= 2) { |
| 75 | if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0) |
| 76 | goto err; |
| 77 | } else { |
| 78 | if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0) |
| 79 | goto err; |
| 80 | } |
| 81 | } |
| 82 | if (!(cflag & X509_FLAG_NO_SERIAL)) { |
| 83 | |
| 84 | if (BIO_write(bp, " Serial Number:", 22) <= 0) |
| 85 | goto err; |
| 86 | |
| 87 | bs = X509_get_serialNumber(x); |
| 88 | if (bs->length <= (int)sizeof(long)) { |
| 89 | ERR_set_mark(); |
| 90 | l = ASN1_INTEGER_get(bs); |
| 91 | ERR_pop_to_mark(); |
| 92 | } else { |
| 93 | l = -1; |
| 94 | } |
| 95 | if (l != -1) { |
| 96 | unsigned long ul; |
| 97 | if (bs->type == V_ASN1_NEG_INTEGER) { |
| 98 | ul = 0 - (unsigned long)l; |
| 99 | neg = "-"; |
| 100 | } else { |
| 101 | ul = l; |
| 102 | neg = ""; |
| 103 | } |
| 104 | if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0) |
| 105 | goto err; |
| 106 | } else { |
| 107 | neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : ""; |
| 108 | if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0) |
| 109 | goto err; |
| 110 | |
| 111 | for (i = 0; i < bs->length; i++) { |
| 112 | if (BIO_printf(bp, "%02x%c", bs->data[i], |
| 113 | ((i + 1 == bs->length) ? '\n' : ':')) <= 0) |
| 114 | goto err; |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | } |
| 119 | |
| 120 | if (!(cflag & X509_FLAG_NO_SIGNAME)) { |
| 121 | const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x); |
| 122 | |
| 123 | if (BIO_puts(bp, " ") <= 0) |
| 124 | goto err; |
| 125 | if (X509_signature_print(bp, tsig_alg, NULL) <= 0) |
| 126 | goto err; |
| 127 | } |
| 128 | |
| 129 | if (!(cflag & X509_FLAG_NO_ISSUER)) { |
| 130 | if (BIO_printf(bp, " Issuer:%c", mlch) <= 0) |
| 131 | goto err; |
| 132 | if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags) |
| 133 | < 0) |
| 134 | goto err; |
| 135 | if (BIO_write(bp, "\n", 1) <= 0) |
| 136 | goto err; |
| 137 | } |
| 138 | if (!(cflag & X509_FLAG_NO_VALIDITY)) { |
| 139 | if (BIO_write(bp, " Validity\n", 17) <= 0) |
| 140 | goto err; |
| 141 | if (BIO_write(bp, " Not Before: ", 24) <= 0) |
| 142 | goto err; |
| 143 | if (!ASN1_TIME_print(bp, X509_get0_notBefore(x))) |
| 144 | goto err; |
| 145 | if (BIO_write(bp, "\n Not After : ", 25) <= 0) |
| 146 | goto err; |
| 147 | if (!ASN1_TIME_print(bp, X509_get0_notAfter(x))) |
| 148 | goto err; |
| 149 | if (BIO_write(bp, "\n", 1) <= 0) |
| 150 | goto err; |
| 151 | } |
| 152 | if (!(cflag & X509_FLAG_NO_SUBJECT)) { |
| 153 | if (BIO_printf(bp, " Subject:%c", mlch) <= 0) |
| 154 | goto err; |
| 155 | if (X509_NAME_print_ex |
| 156 | (bp, X509_get_subject_name(x), nmindent, nmflags) < 0) |
| 157 | goto err; |
| 158 | if (BIO_write(bp, "\n", 1) <= 0) |
| 159 | goto err; |
| 160 | } |
| 161 | if (!(cflag & X509_FLAG_NO_PUBKEY)) { |
| 162 | X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x); |
| 163 | ASN1_OBJECT *xpoid; |
| 164 | X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey); |
| 165 | if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) |
| 166 | goto err; |
| 167 | if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) |
| 168 | goto err; |
| 169 | if (i2a_ASN1_OBJECT(bp, xpoid) <= 0) |
| 170 | goto err; |
| 171 | if (BIO_puts(bp, "\n") <= 0) |
| 172 | goto err; |
| 173 | |
| 174 | pkey = X509_get0_pubkey(x); |
| 175 | if (pkey == NULL) { |
| 176 | BIO_printf(bp, "%12sUnable to load Public Key\n", ""); |
| 177 | ERR_print_errors(bp); |
| 178 | } else { |
| 179 | EVP_PKEY_print_public(bp, pkey, 16, NULL); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | if (!(cflag & X509_FLAG_NO_IDS)) { |
| 184 | const ASN1_BIT_STRING *iuid, *suid; |
| 185 | X509_get0_uids(x, &iuid, &suid); |
| 186 | if (iuid != NULL) { |
| 187 | if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0) |
| 188 | goto err; |
| 189 | if (!X509_signature_dump(bp, iuid, 12)) |
| 190 | goto err; |
| 191 | } |
| 192 | if (suid != NULL) { |
| 193 | if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0) |
| 194 | goto err; |
| 195 | if (!X509_signature_dump(bp, suid, 12)) |
| 196 | goto err; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | if (!(cflag & X509_FLAG_NO_EXTENSIONS)) |
| 201 | X509V3_extensions_print(bp, "X509v3 extensions", |
| 202 | X509_get0_extensions(x), cflag, 8); |
| 203 | |
| 204 | if (!(cflag & X509_FLAG_NO_SIGDUMP)) { |
| 205 | const X509_ALGOR *sig_alg; |
| 206 | const ASN1_BIT_STRING *sig; |
| 207 | X509_get0_signature(&sig, &sig_alg, x); |
| 208 | if (X509_signature_print(bp, sig_alg, sig) <= 0) |
| 209 | goto err; |
| 210 | } |
| 211 | if (!(cflag & X509_FLAG_NO_AUX)) { |
| 212 | if (!X509_aux_print(bp, x, 0)) |
| 213 | goto err; |
| 214 | } |
| 215 | ret = 1; |
| 216 | err: |
| 217 | OPENSSL_free(m); |
| 218 | return ret; |
| 219 | } |
| 220 | |
| 221 | int X509_ocspid_print(BIO *bp, X509 *x) |
| 222 | { |
| 223 | unsigned char *der = NULL; |
| 224 | unsigned char *dertmp; |
| 225 | int derlen; |
| 226 | int i; |
| 227 | unsigned char SHA1md[SHA_DIGEST_LENGTH]; |
| 228 | ASN1_BIT_STRING *keybstr; |
| 229 | X509_NAME *subj; |
| 230 | |
| 231 | /* |
| 232 | * display the hash of the subject as it would appear in OCSP requests |
| 233 | */ |
| 234 | if (BIO_printf(bp, " Subject OCSP hash: ") <= 0) |
| 235 | goto err; |
| 236 | subj = X509_get_subject_name(x); |
| 237 | derlen = i2d_X509_NAME(subj, NULL); |
| 238 | if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL) |
| 239 | goto err; |
| 240 | i2d_X509_NAME(subj, &dertmp); |
| 241 | |
| 242 | if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) |
| 243 | goto err; |
| 244 | for (i = 0; i < SHA_DIGEST_LENGTH; i++) { |
| 245 | if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) |
| 246 | goto err; |
| 247 | } |
| 248 | OPENSSL_free(der); |
| 249 | der = NULL; |
| 250 | |
| 251 | /* |
| 252 | * display the hash of the public key as it would appear in OCSP requests |
| 253 | */ |
| 254 | if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0) |
| 255 | goto err; |
| 256 | |
| 257 | keybstr = X509_get0_pubkey_bitstr(x); |
| 258 | |
| 259 | if (keybstr == NULL) |
| 260 | goto err; |
| 261 | |
| 262 | if (!EVP_Digest(ASN1_STRING_get0_data(keybstr), |
| 263 | ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(), |
| 264 | NULL)) |
| 265 | goto err; |
| 266 | for (i = 0; i < SHA_DIGEST_LENGTH; i++) { |
| 267 | if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) |
| 268 | goto err; |
| 269 | } |
| 270 | BIO_printf(bp, "\n"); |
| 271 | |
| 272 | return 1; |
| 273 | err: |
| 274 | OPENSSL_free(der); |
| 275 | return 0; |
| 276 | } |
| 277 | |
| 278 | int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent) |
| 279 | { |
| 280 | const unsigned char *s; |
| 281 | int i, n; |
| 282 | |
| 283 | n = sig->length; |
| 284 | s = sig->data; |
| 285 | for (i = 0; i < n; i++) { |
| 286 | if ((i % 18) == 0) { |
| 287 | if (BIO_write(bp, "\n", 1) <= 0) |
| 288 | return 0; |
| 289 | if (BIO_indent(bp, indent, indent) <= 0) |
| 290 | return 0; |
| 291 | } |
| 292 | if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0) |
| 293 | return 0; |
| 294 | } |
| 295 | if (BIO_write(bp, "\n", 1) != 1) |
| 296 | return 0; |
| 297 | |
| 298 | return 1; |
| 299 | } |
| 300 | |
| 301 | int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg, |
| 302 | const ASN1_STRING *sig) |
| 303 | { |
| 304 | int sig_nid; |
| 305 | if (BIO_puts(bp, " Signature Algorithm: ") <= 0) |
| 306 | return 0; |
| 307 | if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) |
| 308 | return 0; |
| 309 | |
| 310 | sig_nid = OBJ_obj2nid(sigalg->algorithm); |
| 311 | if (sig_nid != NID_undef) { |
| 312 | int pkey_nid, dig_nid; |
| 313 | const EVP_PKEY_ASN1_METHOD *ameth; |
| 314 | if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) { |
| 315 | ameth = EVP_PKEY_asn1_find(NULL, pkey_nid); |
| 316 | if (ameth && ameth->sig_print) |
| 317 | return ameth->sig_print(bp, sigalg, sig, 9, 0); |
| 318 | } |
| 319 | } |
| 320 | if (sig) |
| 321 | return X509_signature_dump(bp, sig, 9); |
| 322 | else if (BIO_puts(bp, "\n") <= 0) |
| 323 | return 0; |
| 324 | return 1; |
| 325 | } |
| 326 | |
| 327 | int X509_aux_print(BIO *out, X509 *x, int indent) |
| 328 | { |
| 329 | char oidstr[80], first; |
| 330 | STACK_OF(ASN1_OBJECT) *trust, *reject; |
| 331 | const unsigned char *alias, *keyid; |
| 332 | int keyidlen; |
| 333 | int i; |
| 334 | if (X509_trusted(x) == 0) |
| 335 | return 1; |
| 336 | trust = X509_get0_trust_objects(x); |
| 337 | reject = X509_get0_reject_objects(x); |
| 338 | if (trust) { |
| 339 | first = 1; |
| 340 | BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, ""); |
| 341 | for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) { |
| 342 | if (!first) |
| 343 | BIO_puts(out, ", "); |
| 344 | else |
| 345 | first = 0; |
| 346 | OBJ_obj2txt(oidstr, sizeof(oidstr), |
| 347 | sk_ASN1_OBJECT_value(trust, i), 0); |
| 348 | BIO_puts(out, oidstr); |
| 349 | } |
| 350 | BIO_puts(out, "\n"); |
| 351 | } else |
| 352 | BIO_printf(out, "%*sNo Trusted Uses.\n", indent, ""); |
| 353 | if (reject) { |
| 354 | first = 1; |
| 355 | BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, ""); |
| 356 | for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) { |
| 357 | if (!first) |
| 358 | BIO_puts(out, ", "); |
| 359 | else |
| 360 | first = 0; |
| 361 | OBJ_obj2txt(oidstr, sizeof(oidstr), |
| 362 | sk_ASN1_OBJECT_value(reject, i), 0); |
| 363 | BIO_puts(out, oidstr); |
| 364 | } |
| 365 | BIO_puts(out, "\n"); |
| 366 | } else |
| 367 | BIO_printf(out, "%*sNo Rejected Uses.\n", indent, ""); |
| 368 | alias = X509_alias_get0(x, &i); |
| 369 | if (alias) |
| 370 | BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias); |
| 371 | keyid = X509_keyid_get0(x, &keyidlen); |
| 372 | if (keyid) { |
| 373 | BIO_printf(out, "%*sKey Id: ", indent, ""); |
| 374 | for (i = 0; i < keyidlen; i++) |
| 375 | BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]); |
| 376 | BIO_write(out, "\n", 1); |
| 377 | } |
| 378 | return 1; |
| 379 | } |