1 /* 2 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 <stdlib.h> 12 #include <string.h> 13 #include "apps.h" 14 #include "progs.h" 15 #include <openssl/bio.h> 16 #include <openssl/asn1.h> 17 #include <openssl/err.h> 18 #include <openssl/bn.h> 19 #include <openssl/evp.h> 20 #include <openssl/x509.h> 21 #include <openssl/x509v3.h> 22 #include <openssl/objects.h> 23 #include <openssl/pem.h> 24 #include <openssl/rsa.h> 25 #ifndef OPENSSL_NO_DSA 26 # include <openssl/dsa.h> 27 #endif 28 #include "internal/e_os.h" /* For isatty() */ 29 30 #undef POSTFIX 31 #define POSTFIX ".srl" 32 #define DEFAULT_DAYS 30 /* default certificate validity period in days */ 33 #define UNSET_DAYS -2 /* -1 may be used for testing expiration checks */ 34 #define EXT_COPY_UNSET -1 35 36 static int callb(int ok, X509_STORE_CTX *ctx); 37 static ASN1_INTEGER *x509_load_serial(const char *CAfile, 38 const char *serialfile, int create); 39 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt); 40 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names); 41 42 typedef enum OPTION_choice { 43 OPT_COMMON, 44 OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM, 45 OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE, 46 OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_KEY, OPT_SIGNKEY, OPT_CA, OPT_CAKEY, 47 OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_ISSU, OPT_SUBJ, 48 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_DATEOPT, OPT_NAMEOPT, 49 OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL, 50 OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH, 51 OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES, 52 OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST, 53 OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST, 54 OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID, 55 OPT_SUBJECT_HASH_OLD, OPT_ISSUER_HASH_OLD, OPT_COPY_EXTENSIONS, 56 OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES, 57 OPT_NOT_BEFORE, OPT_NOT_AFTER, 58 OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT 59 } OPTION_CHOICE; 60 61 const OPTIONS x509_options[] = { 62 OPT_SECTION("General"), 63 {"help", OPT_HELP, '-', "Display this summary"}, 64 65 {"in", OPT_IN, '<', 66 "Certificate input, or CSR input file with -req (default stdin)"}, 67 {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"}, 68 {"new", OPT_NEW, '-', "Generate a certificate from scratch"}, 69 {"x509toreq", OPT_X509TOREQ, '-', 70 "Output a certification request (rather than a certificate)"}, 71 {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"}, 72 {"copy_extensions", OPT_COPY_EXTENSIONS, 's', 73 "copy extensions when converting from CSR to x509 or vice versa"}, 74 {"inform", OPT_INFORM, 'f', 75 "CSR input format to use (PEM or DER; by default try PEM first)"}, 76 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"}, 77 {"key", OPT_KEY, 's', 78 "Key for signing, and to include unless using -force_pubkey"}, 79 {"signkey", OPT_SIGNKEY, 's', 80 "Same as -key"}, 81 {"keyform", OPT_KEYFORM, 'E', 82 "Key input format (ENGINE, other values ignored)"}, 83 {"out", OPT_OUT, '>', "Output file - default stdout"}, 84 {"outform", OPT_OUTFORM, 'f', 85 "Output format (DER or PEM) - default PEM"}, 86 {"nocert", OPT_NOCERT, '-', 87 "No cert output (except for requested printing)"}, 88 {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"}, 89 90 OPT_SECTION("Certificate printing"), 91 {"text", OPT_TEXT, '-', "Print the certificate in text form"}, 92 {"dateopt", OPT_DATEOPT, 's', 93 "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."}, 94 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"}, 95 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"}, 96 {"alias", OPT_ALIAS, '-', "Print certificate alias"}, 97 {"serial", OPT_SERIAL, '-', "Print serial number value"}, 98 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"}, 99 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"}, 100 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"}, 101 {"subject", OPT_SUBJECT, '-', "Print subject DN"}, 102 {"issuer", OPT_ISSUER, '-', "Print issuer DN"}, 103 {"nameopt", OPT_NAMEOPT, 's', 104 "Certificate subject/issuer name printing options"}, 105 {"email", OPT_EMAIL, '-', "Print email address(es)"}, 106 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"}, 107 {"subject_hash", OPT_HASH, '-', "Print subject hash value"}, 108 #ifndef OPENSSL_NO_MD5 109 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-', 110 "Print old-style (MD5) subject hash value"}, 111 #endif 112 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"}, 113 #ifndef OPENSSL_NO_MD5 114 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-', 115 "Print old-style (MD5) issuer hash value"}, 116 #endif 117 {"ext", OPT_EXT, 's', 118 "Restrict which X.509 extensions to print and/or copy"}, 119 {"ocspid", OPT_OCSPID, '-', 120 "Print OCSP hash values for the subject name and public key"}, 121 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"}, 122 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"}, 123 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"}, 124 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, 125 126 OPT_SECTION("Certificate checking"), 127 {"checkend", OPT_CHECKEND, 'M', 128 "Check whether cert expires in the next arg seconds"}, 129 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"}, 130 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"}, 131 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"}, 132 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"}, 133 134 OPT_SECTION("Certificate output"), 135 {"set_serial", OPT_SET_SERIAL, 's', 136 "Serial number to use, overrides -CAserial"}, 137 {"next_serial", OPT_NEXT_SERIAL, '-', 138 "Increment current certificate serial number"}, 139 {"not_before", OPT_NOT_BEFORE, 's', 140 "[CC]YYMMDDHHMMSSZ value for notBefore certificate field"}, 141 {"not_after", OPT_NOT_AFTER, 's', 142 "[CC]YYMMDDHHMMSSZ value for notAfter certificate field, overrides -days"}, 143 {"days", OPT_DAYS, 'n', 144 "Number of days until newly generated certificate expires - default 30"}, 145 {"preserve_dates", OPT_PRESERVE_DATES, '-', 146 "Preserve existing validity dates"}, 147 {"set_issuer", OPT_ISSU, 's', "Set or override certificate issuer"}, 148 {"set_subject", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"}, 149 {"subj", OPT_SUBJ, 's', "Alias for -set_subject"}, 150 {"force_pubkey", OPT_FORCE_PUBKEY, '<', 151 "Key to be placed in new certificate or certificate request"}, 152 {"clrext", OPT_CLREXT, '-', 153 "Do not take over any extensions from the source certificate or request"}, 154 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"}, 155 {"extensions", OPT_EXTENSIONS, 's', 156 "Section of extfile to use - default: unnamed section"}, 157 {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"}, 158 {"badsig", OPT_BADSIG, '-', 159 "Corrupt last byte of certificate signature (for test)"}, 160 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"}, 161 162 OPT_SECTION("Micro-CA"), 163 {"CA", OPT_CA, '<', 164 "Use the given CA certificate, conflicts with -key"}, 165 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"}, 166 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"}, 167 {"CAkeyform", OPT_CAKEYFORM, 'E', 168 "CA key format (ENGINE, other values ignored)"}, 169 {"CAserial", OPT_CASERIAL, 's', 170 "File that keeps track of CA-generated serial number"}, 171 {"CAcreateserial", OPT_CACREATESERIAL, '-', 172 "Create CA serial number file if it does not exist"}, 173 174 OPT_SECTION("Certificate trust output"), 175 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"}, 176 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"}, 177 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"}, 178 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"}, 179 {"clrreject", OPT_CLRREJECT, '-', 180 "Clears all the prohibited or rejected uses of the certificate"}, 181 {"addreject", OPT_ADDREJECT, 's', 182 "Reject certificate for a given purpose"}, 183 184 OPT_R_OPTIONS, 185 #ifndef OPENSSL_NO_ENGINE 186 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 187 #endif 188 OPT_PROV_OPTIONS, 189 {NULL} 190 }; 191 192 static void warn_copying(ASN1_OBJECT *excluded, const char *names) 193 { 194 const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded)); 195 196 if (names != NULL && strstr(names, sn) != NULL) 197 BIO_printf(bio_err, 198 "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n", 199 sn); 200 } 201 202 static X509_REQ *x509_to_req(X509 *cert, int ext_copy, const char *names) 203 { 204 const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert); 205 int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */); 206 ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier); 207 ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier); 208 STACK_OF(X509_EXTENSION) *exts; 209 X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL); 210 211 if (req == NULL) 212 return NULL; 213 214 /* 215 * Filter out SKID and AKID extensions, which make no sense in a CSR. 216 * If names is not NULL, copy only those extensions listed there. 217 */ 218 warn_copying(skid, names); 219 warn_copying(akid, names); 220 if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL) 221 goto err; 222 for (i = 0; i < n; i++) { 223 X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i); 224 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex); 225 226 if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0 227 && !sk_X509_EXTENSION_push(exts, ex)) 228 goto err; 229 } 230 231 if (sk_X509_EXTENSION_num(exts) > 0) { 232 if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE 233 && !X509_REQ_add_extensions(req, exts)) { 234 BIO_printf(bio_err, "Error copying extensions from certificate\n"); 235 goto err; 236 } 237 } 238 sk_X509_EXTENSION_free(exts); 239 return req; 240 241 err: 242 sk_X509_EXTENSION_free(exts); 243 X509_REQ_free(req); 244 return NULL; 245 } 246 247 static int self_signed(X509_STORE *ctx, X509 *cert) 248 { 249 X509_STORE_CTX *xsc = X509_STORE_CTX_new(); 250 int ret = 0; 251 252 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, cert, NULL)) { 253 BIO_printf(bio_err, "Error initialising X509 store\n"); 254 } else { 255 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE); 256 ret = X509_verify_cert(xsc) > 0; 257 } 258 X509_STORE_CTX_free(xsc); 259 return ret; 260 } 261 262 int x509_main(int argc, char **argv) 263 { 264 ASN1_INTEGER *sno = NULL; 265 ASN1_OBJECT *objtmp = NULL; 266 BIO *out = NULL; 267 CONF *extconf = NULL; 268 int ext_copy = EXT_COPY_UNSET; 269 X509V3_CTX ext_ctx; 270 EVP_PKEY *privkey = NULL, *CAkey = NULL, *pubkey = NULL; 271 EVP_PKEY *pkey; 272 int newcert = 0; 273 char *issu = NULL, *subj = NULL, *digest = NULL; 274 X509_NAME *fissu = NULL, *fsubj = NULL; 275 const unsigned long chtype = MBSTRING_ASC; 276 const int multirdn = 1; 277 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL; 278 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL; 279 X509 *x = NULL, *xca = NULL, *issuer_cert; 280 X509_REQ *req = NULL, *rq = NULL; 281 X509_STORE *ctx = NULL; 282 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL; 283 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL; 284 char *ext_names = NULL; 285 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL; 286 char *infile = NULL, *outfile = NULL, *privkeyfile = NULL, *CAfile = NULL; 287 char *prog, *not_before = NULL, *not_after = NULL; 288 int days = UNSET_DAYS; /* not explicitly set */ 289 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0; 290 int CAformat = FORMAT_UNDEF, CAkeyformat = FORMAT_UNDEF; 291 unsigned long dateopt = ASN1_DTFLGS_RFC822; 292 int fingerprint = 0, reqfile = 0, checkend = 0; 293 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF; 294 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0; 295 int noout = 0, CA_createserial = 0, email = 0; 296 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0; 297 int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0; 298 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0; 299 int enddate = 0; 300 time_t checkoffset = 0; 301 unsigned long certflag = 0; 302 int preserve_dates = 0; 303 OPTION_CHOICE o; 304 ENGINE *e = NULL; 305 #ifndef OPENSSL_NO_MD5 306 int subject_hash_old = 0, issuer_hash_old = 0; 307 #endif 308 309 ctx = X509_STORE_new(); 310 if (ctx == NULL) 311 goto err; 312 X509_STORE_set_verify_cb(ctx, callb); 313 314 opt_set_unknown_name("digest"); 315 prog = opt_init(argc, argv, x509_options); 316 while ((o = opt_next()) != OPT_EOF) { 317 switch (o) { 318 case OPT_EOF: 319 case OPT_ERR: 320 opthelp: 321 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 322 goto err; 323 case OPT_HELP: 324 opt_help(x509_options); 325 ret = 0; 326 goto end; 327 case OPT_INFORM: 328 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) 329 goto opthelp; 330 break; 331 case OPT_IN: 332 infile = opt_arg(); 333 break; 334 case OPT_OUTFORM: 335 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) 336 goto opthelp; 337 break; 338 case OPT_KEYFORM: 339 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat)) 340 goto opthelp; 341 break; 342 case OPT_CAFORM: 343 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat)) 344 goto opthelp; 345 break; 346 case OPT_CAKEYFORM: 347 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat)) 348 goto opthelp; 349 break; 350 case OPT_OUT: 351 outfile = opt_arg(); 352 break; 353 case OPT_REQ: 354 reqfile = 1; 355 break; 356 357 case OPT_DATEOPT: 358 if (!set_dateopt(&dateopt, opt_arg())) { 359 BIO_printf(bio_err, 360 "Invalid date format: %s\n", opt_arg()); 361 goto err; 362 } 363 break; 364 case OPT_COPY_EXTENSIONS: 365 if (!set_ext_copy(&ext_copy, opt_arg())) { 366 BIO_printf(bio_err, 367 "Invalid extension copy option: %s\n", opt_arg()); 368 goto err; 369 } 370 break; 371 372 case OPT_SIGOPT: 373 if (!sigopts) 374 sigopts = sk_OPENSSL_STRING_new_null(); 375 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) 376 goto opthelp; 377 break; 378 case OPT_VFYOPT: 379 if (!vfyopts) 380 vfyopts = sk_OPENSSL_STRING_new_null(); 381 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg())) 382 goto opthelp; 383 break; 384 case OPT_NOT_BEFORE: 385 not_before = opt_arg(); 386 break; 387 case OPT_NOT_AFTER: 388 not_after = opt_arg(); 389 break; 390 case OPT_DAYS: 391 days = atoi(opt_arg()); 392 if (days <= UNSET_DAYS) { 393 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n", 394 prog); 395 goto err; 396 } 397 break; 398 case OPT_PASSIN: 399 passinarg = opt_arg(); 400 break; 401 case OPT_EXTFILE: 402 extfile = opt_arg(); 403 break; 404 case OPT_R_CASES: 405 if (!opt_rand(o)) 406 goto end; 407 break; 408 case OPT_PROV_CASES: 409 if (!opt_provider(o)) 410 goto end; 411 break; 412 case OPT_EXTENSIONS: 413 extsect = opt_arg(); 414 break; 415 case OPT_KEY: 416 case OPT_SIGNKEY: 417 privkeyfile = opt_arg(); 418 break; 419 case OPT_CA: 420 CAfile = opt_arg(); 421 break; 422 case OPT_CAKEY: 423 CAkeyfile = opt_arg(); 424 break; 425 case OPT_CASERIAL: 426 CAserial = opt_arg(); 427 break; 428 case OPT_SET_SERIAL: 429 if (sno != NULL) { 430 BIO_printf(bio_err, "Serial number supplied twice\n"); 431 goto opthelp; 432 } 433 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL) 434 goto opthelp; 435 break; 436 case OPT_NEW: 437 newcert = 1; 438 break; 439 case OPT_FORCE_PUBKEY: 440 pubkeyfile = opt_arg(); 441 break; 442 case OPT_ISSU: 443 issu = opt_arg(); 444 break; 445 case OPT_SUBJ: 446 subj = opt_arg(); 447 break; 448 case OPT_ADDTRUST: 449 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL) 450 goto err; 451 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) { 452 BIO_printf(bio_err, "%s: Invalid trust object value %s\n", 453 prog, opt_arg()); 454 goto opthelp; 455 } 456 if (!sk_ASN1_OBJECT_push(trust, objtmp)) 457 goto err; 458 trustout = 1; 459 break; 460 case OPT_ADDREJECT: 461 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL) 462 goto err; 463 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) { 464 BIO_printf(bio_err, "%s: Invalid reject object value %s\n", 465 prog, opt_arg()); 466 goto opthelp; 467 } 468 if (!sk_ASN1_OBJECT_push(reject, objtmp)) 469 goto err; 470 trustout = 1; 471 break; 472 case OPT_SETALIAS: 473 alias = opt_arg(); 474 trustout = 1; 475 break; 476 case OPT_CERTOPT: 477 if (!set_cert_ex(&certflag, opt_arg())) 478 goto opthelp; 479 break; 480 case OPT_NAMEOPT: 481 if (!set_nameopt(opt_arg())) 482 goto opthelp; 483 break; 484 case OPT_ENGINE: 485 e = setup_engine(opt_arg(), 0); 486 break; 487 case OPT_EMAIL: 488 email = ++num; 489 break; 490 case OPT_OCSP_URI: 491 ocsp_uri = ++num; 492 break; 493 case OPT_SERIAL: 494 serial = ++num; 495 break; 496 case OPT_NEXT_SERIAL: 497 next_serial = ++num; 498 break; 499 case OPT_MODULUS: 500 modulus = ++num; 501 break; 502 case OPT_PUBKEY: 503 print_pubkey = ++num; 504 break; 505 case OPT_X509TOREQ: 506 x509toreq = 1; 507 break; 508 case OPT_TEXT: 509 text = ++num; 510 break; 511 case OPT_SUBJECT: 512 subject = ++num; 513 break; 514 case OPT_ISSUER: 515 issuer = ++num; 516 break; 517 case OPT_FINGERPRINT: 518 fingerprint = ++num; 519 break; 520 case OPT_HASH: 521 subject_hash = ++num; 522 break; 523 case OPT_ISSUER_HASH: 524 issuer_hash = ++num; 525 break; 526 case OPT_PURPOSE: 527 pprint = ++num; 528 break; 529 case OPT_STARTDATE: 530 startdate = ++num; 531 break; 532 case OPT_ENDDATE: 533 enddate = ++num; 534 break; 535 case OPT_NOOUT: 536 noout = ++num; 537 break; 538 case OPT_EXT: 539 ext = ++num; 540 ext_names = opt_arg(); 541 break; 542 case OPT_NOCERT: 543 nocert = 1; 544 break; 545 case OPT_TRUSTOUT: 546 trustout = 1; 547 break; 548 case OPT_CLRTRUST: 549 clrtrust = ++num; 550 break; 551 case OPT_CLRREJECT: 552 clrreject = ++num; 553 break; 554 case OPT_ALIAS: 555 aliasout = ++num; 556 break; 557 case OPT_CACREATESERIAL: 558 CA_createserial = 1; 559 break; 560 case OPT_CLREXT: 561 clrext = 1; 562 break; 563 case OPT_OCSPID: 564 ocspid = ++num; 565 break; 566 case OPT_BADSIG: 567 badsig = 1; 568 break; 569 #ifndef OPENSSL_NO_MD5 570 case OPT_SUBJECT_HASH_OLD: 571 subject_hash_old = ++num; 572 break; 573 case OPT_ISSUER_HASH_OLD: 574 issuer_hash_old = ++num; 575 break; 576 #else 577 case OPT_SUBJECT_HASH_OLD: 578 case OPT_ISSUER_HASH_OLD: 579 break; 580 #endif 581 case OPT_DATES: 582 startdate = ++num; 583 enddate = ++num; 584 break; 585 case OPT_CHECKEND: 586 checkend = 1; 587 { 588 ossl_intmax_t temp = 0; 589 if (!opt_intmax(opt_arg(), &temp)) 590 goto opthelp; 591 checkoffset = (time_t)temp; 592 if ((ossl_intmax_t)checkoffset != temp) { 593 BIO_printf(bio_err, "%s: Checkend time out of range %s\n", 594 prog, opt_arg()); 595 goto opthelp; 596 } 597 } 598 break; 599 case OPT_CHECKHOST: 600 checkhost = opt_arg(); 601 break; 602 case OPT_CHECKEMAIL: 603 checkemail = opt_arg(); 604 break; 605 case OPT_CHECKIP: 606 checkip = opt_arg(); 607 break; 608 case OPT_PRESERVE_DATES: 609 preserve_dates = 1; 610 break; 611 case OPT_MD: 612 digest = opt_unknown(); 613 break; 614 } 615 } 616 /* No extra arguments. */ 617 if (!opt_check_rest_arg(NULL)) 618 goto opthelp; 619 620 if (!app_RAND_load()) 621 goto err; 622 623 if (!opt_check_md(digest)) 624 goto opthelp; 625 626 if (preserve_dates && not_before != NULL) { 627 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_before option\n"); 628 goto err; 629 } 630 if (preserve_dates && not_after != NULL) { 631 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_after option\n"); 632 goto err; 633 } 634 if (preserve_dates && days != UNSET_DAYS) { 635 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n"); 636 goto err; 637 } 638 if (days == UNSET_DAYS) 639 days = DEFAULT_DAYS; 640 else if (not_after != NULL) 641 BIO_printf(bio_err, "Warning: -not_after option overriding -days option\n"); 642 643 if (!app_passwd(passinarg, NULL, &passin, NULL)) { 644 BIO_printf(bio_err, "Error getting password\n"); 645 goto err; 646 } 647 648 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(), 649 app_get0_propq())) 650 goto err; 651 652 if (newcert && infile != NULL) { 653 BIO_printf(bio_err, "The -in option cannot be used with -new\n"); 654 goto err; 655 } 656 if (newcert && reqfile) { 657 BIO_printf(bio_err, "The -req option cannot be used with -new\n"); 658 goto err; 659 } 660 if (privkeyfile != NULL) { 661 privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key"); 662 if (privkey == NULL) 663 goto err; 664 } 665 if (pubkeyfile != NULL) { 666 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e, 667 "explicitly set public key")) == NULL) 668 goto err; 669 } 670 671 if (newcert) { 672 if (subj == NULL) { 673 BIO_printf(bio_err, 674 "The -new option requires a subject to be set using -subj\n"); 675 goto err; 676 } 677 if (privkeyfile == NULL && pubkeyfile == NULL) { 678 BIO_printf(bio_err, 679 "The -new option requires using the -key or -force_pubkey option\n"); 680 goto err; 681 } 682 } 683 if (issu != NULL 684 && (fissu = parse_name(issu, chtype, multirdn, "issuer")) == NULL) 685 goto err; 686 if (subj != NULL 687 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL) 688 goto err; 689 690 if (CAkeyfile == NULL) 691 CAkeyfile = CAfile; 692 if (CAfile != NULL) { 693 if (privkeyfile != NULL) { 694 BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n"); 695 goto err; 696 } 697 } else { 698 #define WARN_NO_CA(opt) BIO_printf(bio_err, \ 699 "Warning: ignoring " opt " option since -CA option is not given\n"); 700 if (CAkeyfile != NULL) 701 WARN_NO_CA("-CAkey"); 702 if (CAkeyformat != FORMAT_UNDEF) 703 WARN_NO_CA("-CAkeyform"); 704 if (CAformat != FORMAT_UNDEF) 705 WARN_NO_CA("-CAform"); 706 if (CAserial != NULL) 707 WARN_NO_CA("-CAserial"); 708 if (CA_createserial) 709 WARN_NO_CA("-CAcreateserial"); 710 } 711 712 if (extfile == NULL) { 713 if (extsect != NULL) 714 BIO_printf(bio_err, 715 "Warning: ignoring -extensions option without -extfile\n"); 716 } else { 717 X509V3_CTX ctx2; 718 719 if ((extconf = app_load_config(extfile)) == NULL) 720 goto err; 721 if (extsect == NULL) { 722 extsect = app_conf_try_string(extconf, "default", "extensions"); 723 if (extsect == NULL) 724 extsect = "default"; 725 } 726 X509V3_set_ctx_test(&ctx2); 727 X509V3_set_nconf(&ctx2, extconf); 728 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) { 729 BIO_printf(bio_err, 730 "Error checking extension section %s\n", extsect); 731 goto err; 732 } 733 } 734 735 if (reqfile) { 736 if (infile == NULL && isatty(fileno_stdin())) 737 BIO_printf(bio_err, 738 "Warning: Reading cert request from stdin since no -in option is given\n"); 739 req = load_csr_autofmt(infile, informat, vfyopts, 740 "certificate request input"); 741 if (req == NULL) 742 goto err; 743 744 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) { 745 BIO_printf(bio_err, "Error unpacking public key from CSR\n"); 746 goto err; 747 } 748 i = do_X509_REQ_verify(req, pkey, vfyopts); 749 if (i <= 0) { 750 BIO_printf(bio_err, i < 0 751 ? "Error while verifying certificate request self-signature\n" 752 : "Certificate request self-signature did not match the contents\n"); 753 goto err; 754 } 755 BIO_printf(bio_err, "Certificate request self-signature ok\n"); 756 757 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req)); 758 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) { 759 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n"); 760 } 761 762 if (reqfile || newcert) { 763 if (preserve_dates) 764 BIO_printf(bio_err, 765 "Warning: ignoring -preserve_dates option with -req or -new\n"); 766 preserve_dates = 0; 767 if (privkeyfile == NULL && CAkeyfile == NULL) { 768 BIO_printf(bio_err, 769 "We need a private key to sign with, use -key or -CAkey or -CA with private key\n"); 770 goto err; 771 } 772 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL) 773 goto err; 774 if (CAfile == NULL && sno == NULL) { 775 sno = ASN1_INTEGER_new(); 776 if (sno == NULL || !rand_serial(NULL, sno)) 777 goto err; 778 } 779 if (req != NULL && ext_copy != EXT_COPY_UNSET) { 780 if (clrext && ext_copy != EXT_COPY_NONE) { 781 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n"); 782 goto err; 783 } else if (!copy_extensions(x, req, ext_copy)) { 784 BIO_printf(bio_err, "Error copying extensions from request\n"); 785 goto err; 786 } 787 } 788 } else { 789 if (infile == NULL && isatty(fileno_stdin())) 790 BIO_printf(bio_err, 791 "Warning: Reading certificate from stdin since no -in or -new option is given\n"); 792 x = load_cert_pass(infile, informat, 1, passin, "certificate"); 793 if (x == NULL) 794 goto err; 795 } 796 if ((fsubj != NULL || req != NULL) 797 && !X509_set_subject_name(x, fsubj != NULL ? fsubj : 798 X509_REQ_get_subject_name(req))) 799 goto err; 800 if ((pubkey != NULL || privkey != NULL || req != NULL) 801 && !X509_set_pubkey(x, pubkey != NULL ? pubkey : 802 privkey != NULL ? privkey : 803 X509_REQ_get0_pubkey(req))) 804 goto err; 805 806 if (CAfile != NULL) { 807 xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate"); 808 if (xca == NULL) 809 goto err; 810 } 811 812 out = bio_open_default(outfile, 'w', outformat); 813 if (out == NULL) 814 goto err; 815 816 if (alias) 817 X509_alias_set1(x, (unsigned char *)alias, -1); 818 819 if (clrtrust) 820 X509_trust_clear(x); 821 if (clrreject) 822 X509_reject_clear(x); 823 824 if (trust != NULL) { 825 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) 826 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i)); 827 } 828 829 if (reject != NULL) { 830 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) 831 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i)); 832 } 833 834 if (clrext && ext_names != NULL) 835 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n"); 836 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) { 837 X509_EXTENSION *ex = X509_get_ext(x, i); 838 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex))); 839 840 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL)) 841 X509_EXTENSION_free(X509_delete_ext(x, i)); 842 } 843 844 issuer_cert = x; 845 if (CAfile != NULL) { 846 issuer_cert = xca; 847 if (sno == NULL) 848 sno = x509_load_serial(CAfile, CAserial, CA_createserial); 849 if (sno == NULL) 850 goto err; 851 if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x)) 852 goto err; 853 } else { 854 if (privkey != NULL && !cert_matches_key(x, privkey)) 855 BIO_printf(bio_err, 856 "Warning: Signature key and public key of cert do not match\n"); 857 } 858 859 if (sno != NULL && !X509_set_serialNumber(x, sno)) 860 goto err; 861 862 if (reqfile || newcert || privkey != NULL || CAfile != NULL) { 863 if (!preserve_dates && !set_cert_times(x, not_before, not_after, days, 1)) 864 goto err; 865 if (fissu != NULL) { 866 if (!X509_set_issuer_name(x, fissu)) 867 goto err; 868 } else { 869 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert))) 870 goto err; 871 } 872 } 873 874 X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE); 875 /* prepare fallback for AKID, but only if issuer cert equals subject cert */ 876 if (CAfile == NULL) { 877 if (!X509V3_set_issuer_pkey(&ext_ctx, privkey)) 878 goto err; 879 } 880 if (extconf != NULL && !x509toreq) { 881 X509V3_set_nconf(&ext_ctx, extconf); 882 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) { 883 BIO_printf(bio_err, 884 "Error adding extensions from section %s\n", extsect); 885 goto err; 886 } 887 } 888 889 /* At this point the contents of the certificate x have been finished. */ 890 891 pkey = X509_get0_pubkey(x); 892 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) { 893 BIO_printf(bio_err, "Error getting public key\n"); 894 goto err; 895 } 896 897 if (x509toreq) { /* also works in conjunction with -req */ 898 if (privkey == NULL) { 899 BIO_printf(bio_err, "Must specify request signing key using -key\n"); 900 goto err; 901 } 902 if (clrext && ext_copy != EXT_COPY_NONE) { 903 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n"); 904 goto err; 905 } 906 if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL) 907 goto err; 908 if (extconf != NULL) { 909 X509V3_set_nconf(&ext_ctx, extconf); 910 if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) { 911 BIO_printf(bio_err, 912 "Error adding request extensions from section %s\n", extsect); 913 goto err; 914 } 915 } 916 if (!do_X509_REQ_sign(rq, privkey, digest, sigopts)) 917 goto err; 918 if (!noout) { 919 if (outformat == FORMAT_ASN1) { 920 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT); 921 i = i2d_X509_bio(out, x); 922 } else { 923 i = PEM_write_bio_X509_REQ(out, rq); 924 } 925 if (!i) { 926 BIO_printf(bio_err, 927 "Unable to write certificate request\n"); 928 goto err; 929 } 930 } 931 noout = 1; 932 } else if (CAfile != NULL) { 933 if ((CAkey = load_key(CAkeyfile, CAkeyformat, 934 0, passin, e, "CA private key")) == NULL) 935 goto err; 936 if (!X509_check_private_key(xca, CAkey)) { 937 BIO_printf(bio_err, 938 "CA certificate and CA private key do not match\n"); 939 goto err; 940 } 941 942 if (!do_X509_sign(x, 0, CAkey, digest, sigopts, &ext_ctx)) 943 goto err; 944 } else if (privkey != NULL) { 945 if (!do_X509_sign(x, 0, privkey, digest, sigopts, &ext_ctx)) 946 goto err; 947 } 948 if (badsig) { 949 const ASN1_BIT_STRING *signature; 950 951 X509_get0_signature(&signature, NULL, x); 952 corrupt_signature(signature); 953 } 954 955 /* Process print options in the given order, as indicated by index i */ 956 for (i = 1; i <= num; i++) { 957 if (i == issuer) { 958 print_name(out, "issuer=", X509_get_issuer_name(x)); 959 } else if (i == subject) { 960 print_name(out, "subject=", X509_get_subject_name(x)); 961 } else if (i == serial) { 962 BIO_printf(out, "serial="); 963 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x)); 964 BIO_printf(out, "\n"); 965 } else if (i == next_serial) { 966 ASN1_INTEGER *ser; 967 BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL); 968 969 if (bnser == NULL) 970 goto err; 971 if (!BN_add_word(bnser, 1) 972 || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) { 973 BN_free(bnser); 974 goto err; 975 } 976 BN_free(bnser); 977 i2a_ASN1_INTEGER(out, ser); 978 ASN1_INTEGER_free(ser); 979 BIO_puts(out, "\n"); 980 } else if (i == email || i == ocsp_uri) { 981 STACK_OF(OPENSSL_STRING) *emlst = 982 i == email ? X509_get1_email(x) : X509_get1_ocsp(x); 983 984 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++) 985 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j)); 986 X509_email_free(emlst); 987 } else if (i == aliasout) { 988 unsigned char *alstr = X509_alias_get0(x, NULL); 989 990 if (alstr) 991 BIO_printf(out, "%s\n", alstr); 992 else 993 BIO_puts(out, "<No Alias>\n"); 994 } else if (i == subject_hash) { 995 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x)); 996 #ifndef OPENSSL_NO_MD5 997 } else if (i == subject_hash_old) { 998 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x)); 999 #endif 1000 } else if (i == issuer_hash) { 1001 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x)); 1002 #ifndef OPENSSL_NO_MD5 1003 } else if (i == issuer_hash_old) { 1004 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x)); 1005 #endif 1006 } else if (i == pprint) { 1007 BIO_printf(out, "Certificate purposes:\n"); 1008 for (j = 0; j < X509_PURPOSE_get_count(); j++) 1009 purpose_print(out, x, X509_PURPOSE_get0(j)); 1010 } else if (i == modulus) { 1011 BIO_printf(out, "Modulus="); 1012 if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) { 1013 BIGNUM *n = NULL; 1014 1015 /* Every RSA key has an 'n' */ 1016 EVP_PKEY_get_bn_param(pkey, "n", &n); 1017 BN_print(out, n); 1018 BN_free(n); 1019 } else if (EVP_PKEY_is_a(pkey, "DSA")) { 1020 BIGNUM *dsapub = NULL; 1021 1022 /* Every DSA key has a 'pub' */ 1023 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub); 1024 BN_print(out, dsapub); 1025 BN_free(dsapub); 1026 } else { 1027 BIO_printf(out, "No modulus for this public key type"); 1028 } 1029 BIO_printf(out, "\n"); 1030 } else if (i == print_pubkey) { 1031 PEM_write_bio_PUBKEY(out, pkey); 1032 } else if (i == text) { 1033 X509_print_ex(out, x, get_nameopt(), certflag); 1034 } else if (i == startdate) { 1035 BIO_puts(out, "notBefore="); 1036 ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt); 1037 BIO_puts(out, "\n"); 1038 } else if (i == enddate) { 1039 BIO_puts(out, "notAfter="); 1040 ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt); 1041 BIO_puts(out, "\n"); 1042 } else if (i == fingerprint) { 1043 unsigned int n; 1044 unsigned char md[EVP_MAX_MD_SIZE]; 1045 const char *fdigname = digest; 1046 EVP_MD *fdig; 1047 int digres; 1048 1049 if (fdigname == NULL) 1050 fdigname = "SHA1"; 1051 1052 if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname, 1053 app_get0_propq())) == NULL) { 1054 BIO_printf(bio_err, "Unknown digest\n"); 1055 goto err; 1056 } 1057 digres = X509_digest(x, fdig, md, &n); 1058 EVP_MD_free(fdig); 1059 if (!digres) { 1060 BIO_printf(bio_err, "Out of memory\n"); 1061 goto err; 1062 } 1063 1064 BIO_printf(out, "%s Fingerprint=", fdigname); 1065 for (j = 0; j < (int)n; j++) 1066 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':'); 1067 } else if (i == ocspid) { 1068 X509_ocspid_print(out, x); 1069 } else if (i == ext) { 1070 print_x509v3_exts(out, x, ext_names); 1071 } 1072 } 1073 1074 if (checkend) { 1075 time_t tcheck = time(NULL) + checkoffset; 1076 1077 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0; 1078 if (ret) 1079 BIO_printf(out, "Certificate will expire\n"); 1080 else 1081 BIO_printf(out, "Certificate will not expire\n"); 1082 goto end; 1083 } 1084 1085 if (!check_cert_attributes(out, x, checkhost, checkemail, checkip, 1)) 1086 goto err; 1087 1088 if (noout || nocert) { 1089 ret = 0; 1090 goto end; 1091 } 1092 1093 if (outformat == FORMAT_ASN1) { 1094 i = i2d_X509_bio(out, x); 1095 } else if (outformat == FORMAT_PEM) { 1096 if (trustout) 1097 i = PEM_write_bio_X509_AUX(out, x); 1098 else 1099 i = PEM_write_bio_X509(out, x); 1100 } else { 1101 BIO_printf(bio_err, "Bad output format specified for outfile\n"); 1102 goto err; 1103 } 1104 if (!i) { 1105 BIO_printf(bio_err, "Unable to write certificate\n"); 1106 goto err; 1107 } 1108 1109 ret = 0; 1110 goto end; 1111 1112 err: 1113 ERR_print_errors(bio_err); 1114 1115 end: 1116 NCONF_free(extconf); 1117 BIO_free_all(out); 1118 X509_STORE_free(ctx); 1119 X509_NAME_free(fissu); 1120 X509_NAME_free(fsubj); 1121 X509_REQ_free(req); 1122 X509_free(x); 1123 X509_free(xca); 1124 EVP_PKEY_free(privkey); 1125 EVP_PKEY_free(CAkey); 1126 EVP_PKEY_free(pubkey); 1127 sk_OPENSSL_STRING_free(sigopts); 1128 sk_OPENSSL_STRING_free(vfyopts); 1129 X509_REQ_free(rq); 1130 ASN1_INTEGER_free(sno); 1131 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free); 1132 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free); 1133 release_engine(e); 1134 clear_free(passin); 1135 return ret; 1136 } 1137 1138 static ASN1_INTEGER *x509_load_serial(const char *CAfile, 1139 const char *serialfile, int create) 1140 { 1141 char *buf = NULL; 1142 ASN1_INTEGER *bs = NULL; 1143 BIGNUM *serial = NULL; 1144 int defaultfile = 0, file_exists; 1145 1146 if (serialfile == NULL) { 1147 const char *p = strrchr(CAfile, '.'); 1148 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile); 1149 1150 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer"); 1151 memcpy(buf, CAfile, len); 1152 memcpy(buf + len, POSTFIX, sizeof(POSTFIX)); 1153 serialfile = buf; 1154 defaultfile = 1; 1155 } 1156 1157 serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL); 1158 if (serial == NULL) 1159 goto end; 1160 1161 if (!BN_add_word(serial, 1)) { 1162 BIO_printf(bio_err, "Serial number increment failure\n"); 1163 goto end; 1164 } 1165 1166 if (file_exists || create) 1167 save_serial(serialfile, NULL, serial, &bs); 1168 else 1169 bs = BN_to_ASN1_INTEGER(serial, NULL); 1170 1171 end: 1172 OPENSSL_free(buf); 1173 BN_free(serial); 1174 return bs; 1175 } 1176 1177 static int callb(int ok, X509_STORE_CTX *ctx) 1178 { 1179 int err; 1180 X509 *err_cert; 1181 1182 /* 1183 * It is ok to use a self-signed certificate. This case will catch both 1184 * the initial ok == 0 and the final ok == 1 calls to this function. 1185 */ 1186 err = X509_STORE_CTX_get_error(ctx); 1187 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) 1188 return 1; 1189 1190 if (!ok) { 1191 err_cert = X509_STORE_CTX_get_current_cert(ctx); 1192 print_name(bio_err, "subject=", X509_get_subject_name(err_cert)); 1193 BIO_printf(bio_err, 1194 "Error with certificate - error %d at depth %d\n%s\n", err, 1195 X509_STORE_CTX_get_error_depth(ctx), 1196 X509_verify_cert_error_string(err)); 1197 return 1; 1198 } 1199 1200 return 1; 1201 } 1202 1203 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt) 1204 { 1205 int id, i, idret; 1206 const char *pname; 1207 id = X509_PURPOSE_get_id(pt); 1208 pname = X509_PURPOSE_get0_name(pt); 1209 for (i = 0; i < 2; i++) { 1210 idret = X509_check_purpose(cert, id, i); 1211 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 1212 if (idret == 1) 1213 BIO_printf(bio, "Yes\n"); 1214 else if (idret == 0) 1215 BIO_printf(bio, "No\n"); 1216 else 1217 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret); 1218 } 1219 return 1; 1220 } 1221 1222 static int parse_ext_names(char *names, const char **result) 1223 { 1224 char *p, *q; 1225 int cnt = 0, len = 0; 1226 1227 p = q = names; 1228 len = strlen(names); 1229 1230 while (q - names <= len) { 1231 if (*q != ',' && *q != '\0') { 1232 q++; 1233 continue; 1234 } 1235 if (p != q) { 1236 /* found */ 1237 if (result != NULL) { 1238 result[cnt] = p; 1239 *q = '\0'; 1240 } 1241 cnt++; 1242 } 1243 p = ++q; 1244 } 1245 1246 return cnt; 1247 } 1248 1249 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names) 1250 { 1251 const STACK_OF(X509_EXTENSION) *exts = NULL; 1252 STACK_OF(X509_EXTENSION) *exts2 = NULL; 1253 X509_EXTENSION *ext = NULL; 1254 ASN1_OBJECT *obj; 1255 int i, j, ret = 0, num, nn = 0; 1256 const char *sn, **names = NULL; 1257 char *tmp_ext_names = NULL; 1258 1259 exts = X509_get0_extensions(x); 1260 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) { 1261 BIO_printf(bio_err, "No extensions in certificate\n"); 1262 ret = 1; 1263 goto end; 1264 } 1265 1266 /* parse comma separated ext name string */ 1267 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL) 1268 goto end; 1269 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) { 1270 BIO_printf(bio, "Invalid extension names: %s\n", ext_names); 1271 goto end; 1272 } 1273 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL) 1274 goto end; 1275 parse_ext_names(tmp_ext_names, names); 1276 1277 for (i = 0; i < num; i++) { 1278 ext = sk_X509_EXTENSION_value(exts, i); 1279 1280 /* check if this ext is what we want */ 1281 obj = X509_EXTENSION_get_object(ext); 1282 sn = OBJ_nid2sn(OBJ_obj2nid(obj)); 1283 if (sn == NULL || strcmp(sn, "UNDEF") == 0) 1284 continue; 1285 1286 for (j = 0; j < nn; j++) { 1287 if (strcmp(sn, names[j]) == 0) { 1288 /* push the extension into a new stack */ 1289 if (exts2 == NULL 1290 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL) 1291 goto end; 1292 if (!sk_X509_EXTENSION_push(exts2, ext)) 1293 goto end; 1294 } 1295 } 1296 } 1297 1298 if (!sk_X509_EXTENSION_num(exts2)) { 1299 BIO_printf(bio, "No extensions matched with %s\n", ext_names); 1300 ret = 1; 1301 goto end; 1302 } 1303 1304 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0); 1305 end: 1306 sk_X509_EXTENSION_free(exts2); 1307 OPENSSL_free(names); 1308 OPENSSL_free(tmp_ext_names); 1309 return ret; 1310 } 1311