| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "apps.h" |
| #include <openssl/bio.h> |
| #include <openssl/err.h> |
| #include <openssl/x509.h> |
| #include <openssl/x509v3.h> |
| #include <openssl/pem.h> |
| |
| typedef enum OPTION_choice { |
| OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, |
| OPT_INFORM, OPT_IN, OPT_OUTFORM, OPT_OUT, OPT_KEYFORM, OPT_KEY, |
| OPT_ISSUER, OPT_LASTUPDATE, OPT_NEXTUPDATE, OPT_FINGERPRINT, |
| OPT_CRLNUMBER, OPT_BADSIG, OPT_GENDELTA, OPT_CAPATH, OPT_CAFILE, |
| OPT_NOCAPATH, OPT_NOCAFILE, OPT_VERIFY, OPT_TEXT, OPT_HASH, OPT_HASH_OLD, |
| OPT_NOOUT, OPT_NAMEOPT, OPT_MD |
| } OPTION_CHOICE; |
| |
| OPTIONS crl_options[] = { |
| {"help", OPT_HELP, '-', "Display this summary"}, |
| {"inform", OPT_INFORM, 'F', "Input format; default PEM"}, |
| {"in", OPT_IN, '<', "Input file - default stdin"}, |
| {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"}, |
| {"out", OPT_OUT, '>', "output file - default stdout"}, |
| {"keyform", OPT_KEYFORM, 'F'}, |
| {"key", OPT_KEY, '<'}, |
| {"issuer", OPT_ISSUER, '-', "Print issuer DN"}, |
| {"lastupdate", OPT_LASTUPDATE, '-', "Set lastUpdate field"}, |
| {"nextupdate", OPT_NEXTUPDATE, '-', "Set nextUpdate field"}, |
| {"noout", OPT_NOOUT, '-', "No CRL output"}, |
| {"fingerprint", OPT_FINGERPRINT, '-', "Print the crl fingerprint"}, |
| {"crlnumber", OPT_CRLNUMBER, '-', "Print CRL number"}, |
| {"badsig", OPT_BADSIG, '-'}, |
| {"gendelta", OPT_GENDELTA, '<'}, |
| {"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"}, |
| {"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"}, |
| {"no-CAfile", OPT_NOCAFILE, '-', |
| "Do not load the default certificates file"}, |
| {"no-CApath", OPT_NOCAPATH, '-', |
| "Do not load certificates from the default certificates directory"}, |
| {"verify", OPT_VERIFY, '-'}, |
| {"text", OPT_TEXT, '-', "Print out a text format version"}, |
| {"hash", OPT_HASH, '-', "Print hash value"}, |
| {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, |
| {"", OPT_MD, '-', "Any supported digest"}, |
| #ifndef OPENSSL_NO_MD5 |
| {"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"}, |
| #endif |
| {NULL} |
| }; |
| |
| int crl_main(int argc, char **argv) |
| { |
| X509_CRL *x = NULL; |
| BIO *out = NULL; |
| X509_STORE *store = NULL; |
| X509_STORE_CTX ctx; |
| X509_LOOKUP *lookup = NULL; |
| X509_OBJECT xobj; |
| EVP_PKEY *pkey; |
| const EVP_MD *digest = EVP_sha1(); |
| unsigned long nmflag = 0; |
| char nmflag_set = 0; |
| char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL; |
| char *CAfile = NULL, *CApath = NULL, *prog; |
| OPTION_CHOICE o; |
| int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0; |
| int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM; |
| int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0; |
| int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0; |
| int i; |
| #ifndef OPENSSL_NO_MD5 |
| int hash_old = 0; |
| #endif |
| |
| prog = opt_init(argc, argv, crl_options); |
| while ((o = opt_next()) != OPT_EOF) { |
| switch (o) { |
| case OPT_EOF: |
| case OPT_ERR: |
| opthelp: |
| BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); |
| goto end; |
| case OPT_HELP: |
| opt_help(crl_options); |
| ret = 0; |
| goto end; |
| case OPT_INFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) |
| goto opthelp; |
| break; |
| case OPT_IN: |
| infile = opt_arg(); |
| break; |
| case OPT_OUTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) |
| goto opthelp; |
| break; |
| case OPT_OUT: |
| outfile = opt_arg(); |
| break; |
| case OPT_KEYFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat)) |
| goto opthelp; |
| break; |
| case OPT_KEY: |
| keyfile = opt_arg(); |
| break; |
| case OPT_GENDELTA: |
| crldiff = opt_arg(); |
| break; |
| case OPT_CAPATH: |
| CApath = opt_arg(); |
| do_ver = 1; |
| break; |
| case OPT_CAFILE: |
| CAfile = opt_arg(); |
| do_ver = 1; |
| break; |
| case OPT_NOCAPATH: |
| noCApath = 1; |
| break; |
| case OPT_NOCAFILE: |
| noCAfile = 1; |
| break; |
| case OPT_HASH_OLD: |
| #ifndef OPENSSL_NO_MD5 |
| hash_old = ++num; |
| #endif |
| break; |
| case OPT_VERIFY: |
| do_ver = 1; |
| break; |
| case OPT_TEXT: |
| text = 1; |
| break; |
| case OPT_HASH: |
| hash = ++num; |
| break; |
| case OPT_ISSUER: |
| issuer = ++num; |
| break; |
| case OPT_LASTUPDATE: |
| lastupdate = ++num; |
| break; |
| case OPT_NEXTUPDATE: |
| nextupdate = ++num; |
| break; |
| case OPT_NOOUT: |
| noout = ++num; |
| break; |
| case OPT_FINGERPRINT: |
| fingerprint = ++num; |
| break; |
| case OPT_CRLNUMBER: |
| crlnumber = ++num; |
| break; |
| case OPT_BADSIG: |
| badsig = 1; |
| break; |
| case OPT_NAMEOPT: |
| nmflag_set = 1; |
| if (!set_name_ex(&nmflag, opt_arg())) |
| goto opthelp; |
| break; |
| case OPT_MD: |
| if (!opt_md(opt_unknown(), &digest)) |
| goto opthelp; |
| } |
| } |
| argc = opt_num_rest(); |
| if (argc != 0) |
| goto opthelp; |
| |
| if (!nmflag_set) |
| nmflag = XN_FLAG_ONELINE; |
| |
| x = load_crl(infile, informat); |
| if (x == NULL) |
| goto end; |
| |
| if (do_ver) { |
| if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL) |
| goto end; |
| lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); |
| if (lookup == NULL) |
| goto end; |
| if (!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) { |
| BIO_printf(bio_err, "Error initialising X509 store\n"); |
| goto end; |
| } |
| |
| i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, |
| X509_CRL_get_issuer(x), &xobj); |
| if (i <= 0) { |
| BIO_printf(bio_err, "Error getting CRL issuer certificate\n"); |
| goto end; |
| } |
| pkey = X509_get0_pubkey(xobj.data.x509); |
| X509_OBJECT_free_contents(&xobj); |
| if (!pkey) { |
| BIO_printf(bio_err, "Error getting CRL issuer public key\n"); |
| goto end; |
| } |
| i = X509_CRL_verify(x, pkey); |
| if (i < 0) |
| goto end; |
| if (i == 0) |
| BIO_printf(bio_err, "verify failure\n"); |
| else |
| BIO_printf(bio_err, "verify OK\n"); |
| } |
| |
| if (crldiff) { |
| X509_CRL *newcrl, *delta; |
| if (!keyfile) { |
| BIO_puts(bio_err, "Missing CRL signing key\n"); |
| goto end; |
| } |
| newcrl = load_crl(crldiff, informat); |
| if (!newcrl) |
| goto end; |
| pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key"); |
| if (!pkey) { |
| X509_CRL_free(newcrl); |
| goto end; |
| } |
| delta = X509_CRL_diff(x, newcrl, pkey, digest, 0); |
| X509_CRL_free(newcrl); |
| EVP_PKEY_free(pkey); |
| if (delta) { |
| X509_CRL_free(x); |
| x = delta; |
| } else { |
| BIO_puts(bio_err, "Error creating delta CRL\n"); |
| goto end; |
| } |
| } |
| |
| if (num) { |
| for (i = 1; i <= num; i++) { |
| if (issuer == i) { |
| print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), |
| nmflag); |
| } |
| if (crlnumber == i) { |
| ASN1_INTEGER *crlnum; |
| crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL); |
| BIO_printf(bio_out, "crlNumber="); |
| if (crlnum) { |
| i2a_ASN1_INTEGER(bio_out, crlnum); |
| ASN1_INTEGER_free(crlnum); |
| } else |
| BIO_puts(bio_out, "<NONE>"); |
| BIO_printf(bio_out, "\n"); |
| } |
| if (hash == i) { |
| BIO_printf(bio_out, "%08lx\n", |
| X509_NAME_hash(X509_CRL_get_issuer(x))); |
| } |
| #ifndef OPENSSL_NO_MD5 |
| if (hash_old == i) { |
| BIO_printf(bio_out, "%08lx\n", |
| X509_NAME_hash_old(X509_CRL_get_issuer(x))); |
| } |
| #endif |
| if (lastupdate == i) { |
| BIO_printf(bio_out, "lastUpdate="); |
| ASN1_TIME_print(bio_out, X509_CRL_get_lastUpdate(x)); |
| BIO_printf(bio_out, "\n"); |
| } |
| if (nextupdate == i) { |
| BIO_printf(bio_out, "nextUpdate="); |
| if (X509_CRL_get_nextUpdate(x)) |
| ASN1_TIME_print(bio_out, X509_CRL_get_nextUpdate(x)); |
| else |
| BIO_printf(bio_out, "NONE"); |
| BIO_printf(bio_out, "\n"); |
| } |
| if (fingerprint == i) { |
| int j; |
| unsigned int n; |
| unsigned char md[EVP_MAX_MD_SIZE]; |
| |
| if (!X509_CRL_digest(x, digest, md, &n)) { |
| BIO_printf(bio_err, "out of memory\n"); |
| goto end; |
| } |
| BIO_printf(bio_out, "%s Fingerprint=", |
| OBJ_nid2sn(EVP_MD_type(digest))); |
| for (j = 0; j < (int)n; j++) { |
| BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n) |
| ? '\n' : ':'); |
| } |
| } |
| } |
| } |
| out = bio_open_default(outfile, 'w', outformat); |
| if (out == NULL) |
| goto end; |
| |
| if (text) |
| X509_CRL_print(out, x); |
| |
| if (noout) { |
| ret = 0; |
| goto end; |
| } |
| |
| if (badsig) { |
| ASN1_BIT_STRING *sig; |
| unsigned char *psig; |
| X509_CRL_get0_signature(&sig, NULL, x); |
| psig = ASN1_STRING_data(sig); |
| psig[ASN1_STRING_length(sig) - 1] ^= 0x1; |
| } |
| |
| if (outformat == FORMAT_ASN1) |
| i = (int)i2d_X509_CRL_bio(out, x); |
| else |
| i = PEM_write_bio_X509_CRL(out, x); |
| if (!i) { |
| BIO_printf(bio_err, "unable to write CRL\n"); |
| goto end; |
| } |
| ret = 0; |
| |
| end: |
| if (ret != 0) |
| ERR_print_errors(bio_err); |
| BIO_free_all(out); |
| X509_CRL_free(x); |
| if (store) { |
| X509_STORE_CTX_cleanup(&ctx); |
| X509_STORE_free(store); |
| } |
| return (ret); |
| } |
