| /* apps/crl.c */ |
| /* 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> |
| |
| #undef PROG |
| #define PROG crl_main |
| |
| #undef POSTFIX |
| #define POSTFIX ".rvk" |
| |
| static const char *crl_usage[] = { |
| "usage: crl args\n", |
| "\n", |
| " -inform arg - input format - default PEM (DER or PEM)\n", |
| " -outform arg - output format - default PEM\n", |
| " -text - print out a text format version\n", |
| " -in arg - input file - default stdin\n", |
| " -out arg - output file - default stdout\n", |
| " -hash - print hash value\n", |
| #ifndef OPENSSL_NO_MD5 |
| " -hash_old - print old-style (MD5) hash value\n", |
| #endif |
| " -fingerprint - print the crl fingerprint\n", |
| " -issuer - print issuer DN\n", |
| " -lastupdate - lastUpdate field\n", |
| " -nextupdate - nextUpdate field\n", |
| " -crlnumber - print CRL number\n", |
| " -noout - no CRL output\n", |
| " -CAfile name - verify CRL using certificates in file \"name\"\n", |
| " -CApath dir - verify CRL using certificates in \"dir\"\n", |
| " -nameopt arg - various certificate name options\n", |
| NULL |
| }; |
| |
| static X509_CRL *load_crl(char *file, int format); |
| static BIO *bio_out = NULL; |
| |
| int MAIN(int, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| unsigned long nmflag = 0; |
| X509_CRL *x = NULL; |
| char *CAfile = NULL, *CApath = NULL; |
| int ret = 1, i, num, badops = 0; |
| BIO *out = NULL; |
| int informat, outformat; |
| char *infile = NULL, *outfile = NULL; |
| int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = |
| 0, text = 0; |
| #ifndef OPENSSL_NO_MD5 |
| int hash_old = 0; |
| #endif |
| int fingerprint = 0, crlnumber = 0; |
| const char **pp; |
| X509_STORE *store = NULL; |
| X509_STORE_CTX ctx; |
| X509_LOOKUP *lookup = NULL; |
| X509_OBJECT xobj; |
| EVP_PKEY *pkey; |
| int do_ver = 0; |
| const EVP_MD *md_alg, *digest = EVP_sha1(); |
| |
| apps_startup(); |
| |
| if (bio_err == NULL) |
| if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
| BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); |
| |
| if (!load_config(bio_err, NULL)) |
| goto end; |
| |
| if (bio_out == NULL) |
| if ((bio_out = BIO_new(BIO_s_file())) != NULL) { |
| BIO_set_fp(bio_out, stdout, BIO_NOCLOSE); |
| #ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| bio_out = BIO_push(tmpbio, bio_out); |
| } |
| #endif |
| } |
| |
| informat = FORMAT_PEM; |
| outformat = FORMAT_PEM; |
| |
| argc--; |
| argv++; |
| num = 0; |
| while (argc >= 1) { |
| #ifdef undef |
| if (strcmp(*argv, "-p") == 0) { |
| if (--argc < 1) |
| goto bad; |
| if (!args_from_file(++argv, Nargc, Nargv)) { |
| goto end; |
| } |
| */} |
| #endif |
| if (strcmp(*argv, "-inform") == 0) { |
| if (--argc < 1) |
| goto bad; |
| informat = str2fmt(*(++argv)); |
| } else if (strcmp(*argv, "-outform") == 0) { |
| if (--argc < 1) |
| goto bad; |
| outformat = str2fmt(*(++argv)); |
| } else if (strcmp(*argv, "-in") == 0) { |
| if (--argc < 1) |
| goto bad; |
| infile = *(++argv); |
| } else if (strcmp(*argv, "-out") == 0) { |
| if (--argc < 1) |
| goto bad; |
| outfile = *(++argv); |
| } else if (strcmp(*argv, "-CApath") == 0) { |
| if (--argc < 1) |
| goto bad; |
| CApath = *(++argv); |
| do_ver = 1; |
| } else if (strcmp(*argv, "-CAfile") == 0) { |
| if (--argc < 1) |
| goto bad; |
| CAfile = *(++argv); |
| do_ver = 1; |
| } else if (strcmp(*argv, "-verify") == 0) |
| do_ver = 1; |
| else if (strcmp(*argv, "-text") == 0) |
| text = 1; |
| else if (strcmp(*argv, "-hash") == 0) |
| hash = ++num; |
| #ifndef OPENSSL_NO_MD5 |
| else if (strcmp(*argv, "-hash_old") == 0) |
| hash_old = ++num; |
| #endif |
| else if (strcmp(*argv, "-nameopt") == 0) { |
| if (--argc < 1) |
| goto bad; |
| if (!set_name_ex(&nmflag, *(++argv))) |
| goto bad; |
| } else if (strcmp(*argv, "-issuer") == 0) |
| issuer = ++num; |
| else if (strcmp(*argv, "-lastupdate") == 0) |
| lastupdate = ++num; |
| else if (strcmp(*argv, "-nextupdate") == 0) |
| nextupdate = ++num; |
| else if (strcmp(*argv, "-noout") == 0) |
| noout = ++num; |
| else if (strcmp(*argv, "-fingerprint") == 0) |
| fingerprint = ++num; |
| else if (strcmp(*argv, "-crlnumber") == 0) |
| crlnumber = ++num; |
| else if ((md_alg = EVP_get_digestbyname(*argv + 1))) { |
| /* ok */ |
| digest = md_alg; |
| } else { |
| BIO_printf(bio_err, "unknown option %s\n", *argv); |
| badops = 1; |
| break; |
| } |
| argc--; |
| argv++; |
| } |
| |
| if (badops) { |
| bad: |
| for (pp = crl_usage; (*pp != NULL); pp++) |
| BIO_printf(bio_err, "%s", *pp); |
| goto end; |
| } |
| |
| ERR_load_crypto_strings(); |
| x = load_crl(infile, informat); |
| if (x == NULL) { |
| goto end; |
| } |
| |
| if (do_ver) { |
| store = X509_STORE_new(); |
| lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); |
| if (lookup == NULL) |
| goto end; |
| if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) |
| X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); |
| |
| lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); |
| if (lookup == NULL) |
| goto end; |
| if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) |
| X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); |
| ERR_clear_error(); |
| |
| 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_get_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); |
| EVP_PKEY_free(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 (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_new(BIO_s_file()); |
| if (out == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (outfile == NULL) { |
| BIO_set_fp(out, stdout, BIO_NOCLOSE); |
| #ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| out = BIO_push(tmpbio, out); |
| } |
| #endif |
| } else { |
| if (BIO_write_filename(out, outfile) <= 0) { |
| perror(outfile); |
| goto end; |
| } |
| } |
| |
| if (text) |
| X509_CRL_print(out, x); |
| |
| if (noout) { |
| ret = 0; |
| goto end; |
| } |
| |
| if (outformat == FORMAT_ASN1) |
| i = (int)i2d_X509_CRL_bio(out, x); |
| else if (outformat == FORMAT_PEM) |
| i = PEM_write_bio_X509_CRL(out, x); |
| else { |
| BIO_printf(bio_err, "bad output format specified for outfile\n"); |
| goto end; |
| } |
| if (!i) { |
| BIO_printf(bio_err, "unable to write CRL\n"); |
| goto end; |
| } |
| ret = 0; |
| end: |
| BIO_free_all(out); |
| BIO_free_all(bio_out); |
| bio_out = NULL; |
| X509_CRL_free(x); |
| if (store) { |
| X509_STORE_CTX_cleanup(&ctx); |
| X509_STORE_free(store); |
| } |
| apps_shutdown(); |
| OPENSSL_EXIT(ret); |
| } |
| |
| static X509_CRL *load_crl(char *infile, int format) |
| { |
| X509_CRL *x = NULL; |
| BIO *in = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (infile == NULL) |
| BIO_set_fp(in, stdin, BIO_NOCLOSE); |
| else { |
| if (BIO_read_filename(in, infile) <= 0) { |
| perror(infile); |
| goto end; |
| } |
| } |
| if (format == FORMAT_ASN1) |
| x = d2i_X509_CRL_bio(in, NULL); |
| else if (format == FORMAT_PEM) |
| x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); |
| else { |
| BIO_printf(bio_err, "bad input format specified for input crl\n"); |
| goto end; |
| } |
| if (x == NULL) { |
| BIO_printf(bio_err, "unable to load CRL\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| end: |
| BIO_free(in); |
| return (x); |
| } |
