/* $OpenBSD$ */ /* 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 #include #include #include "apps.h" #include #include #include #include #include #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 crl_main(int, char **); int crl_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(); 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); } 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, ""); 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); } 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); } return (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); }