| /* |
| * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "apps.h" |
| #include "progs.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_COMMON, |
| 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_CASTORE, |
| OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_VERIFY, OPT_DATEOPT, OPT_TEXT, OPT_HASH, |
| OPT_HASH_OLD, OPT_NOOUT, OPT_NAMEOPT, OPT_MD, OPT_PROV_ENUM |
| } OPTION_CHOICE; |
| |
| const OPTIONS crl_options[] = { |
| OPT_SECTION("General"), |
| {"help", OPT_HELP, '-', "Display this summary"}, |
| {"verify", OPT_VERIFY, '-', "Verify CRL signature"}, |
| |
| OPT_SECTION("Input"), |
| {"in", OPT_IN, '<', "Input file - default stdin"}, |
| {"inform", OPT_INFORM, 'F', "CRL input format (DER or PEM); has no effect"}, |
| {"key", OPT_KEY, '<', "CRL signing Private key to use"}, |
| {"keyform", OPT_KEYFORM, 'F', "Private key file format (DER/PEM/P12); has no effect"}, |
| |
| OPT_SECTION("Output"), |
| {"out", OPT_OUT, '>', "output file - default stdout"}, |
| {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"}, |
| {"dateopt", OPT_DATEOPT, 's', "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."}, |
| {"text", OPT_TEXT, '-', "Print out a text format version"}, |
| {"hash", OPT_HASH, '-', "Print hash value"}, |
| #ifndef OPENSSL_NO_MD5 |
| {"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"}, |
| #endif |
| {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"}, |
| {"", OPT_MD, '-', "Any supported digest"}, |
| |
| OPT_SECTION("CRL"), |
| {"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, '-', "Corrupt last byte of loaded CRL signature (for test)" }, |
| {"gendelta", OPT_GENDELTA, '<', "Other CRL to compare/diff to the Input one"}, |
| |
| OPT_SECTION("Certificate"), |
| {"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"}, |
| {"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"}, |
| {"CAstore", OPT_CASTORE, ':', "Verify CRL using certificates in store URI"}, |
| {"no-CAfile", OPT_NOCAFILE, '-', |
| "Do not load the default certificates file"}, |
| {"no-CApath", OPT_NOCAPATH, '-', |
| "Do not load certificates from the default certificates directory"}, |
| {"no-CAstore", OPT_NOCASTORE, '-', |
| "Do not load certificates from the default certificates store"}, |
| OPT_PROV_OPTIONS, |
| {NULL} |
| }; |
| |
| int crl_main(int argc, char **argv) |
| { |
| X509_CRL *x = NULL; |
| BIO *out = NULL; |
| X509_STORE *store = NULL; |
| X509_STORE_CTX *ctx = NULL; |
| X509_LOOKUP *lookup = NULL; |
| X509_OBJECT *xobj = NULL; |
| EVP_PKEY *pkey; |
| EVP_MD *digest = (EVP_MD *)EVP_sha1(); |
| char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL; |
| char *digestname = NULL; |
| const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL, *prog; |
| OPTION_CHOICE o; |
| int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0; |
| int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF; |
| int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0; |
| int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0, noCAstore = 0; |
| unsigned long dateopt = ASN1_DTFLGS_RFC822; |
| int i; |
| #ifndef OPENSSL_NO_MD5 |
| int hash_old = 0; |
| #endif |
| |
| opt_set_unknown_name("digest"); |
| 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_ANY, &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_CASTORE: |
| CAstore = opt_arg(); |
| do_ver = 1; |
| break; |
| case OPT_NOCAPATH: |
| noCApath = 1; |
| break; |
| case OPT_NOCAFILE: |
| noCAfile = 1; |
| break; |
| case OPT_NOCASTORE: |
| noCAstore = 1; |
| break; |
| case OPT_HASH_OLD: |
| #ifndef OPENSSL_NO_MD5 |
| hash_old = ++num; |
| #endif |
| break; |
| case OPT_VERIFY: |
| do_ver = 1; |
| break; |
| case OPT_DATEOPT: |
| if (!set_dateopt(&dateopt, opt_arg())) |
| goto opthelp; |
| 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 = 1; |
| break; |
| case OPT_FINGERPRINT: |
| fingerprint = ++num; |
| break; |
| case OPT_CRLNUMBER: |
| crlnumber = ++num; |
| break; |
| case OPT_BADSIG: |
| badsig = 1; |
| break; |
| case OPT_NAMEOPT: |
| if (!set_nameopt(opt_arg())) |
| goto opthelp; |
| break; |
| case OPT_MD: |
| digestname = opt_unknown(); |
| break; |
| case OPT_PROV_CASES: |
| if (!opt_provider(o)) |
| goto end; |
| break; |
| } |
| } |
| |
| /* No remaining args. */ |
| if (!opt_check_rest_arg(NULL)) |
| goto opthelp; |
| |
| if (!opt_md(digestname, &digest)) |
| goto opthelp; |
| x = load_crl(infile, informat, 1, "CRL"); |
| if (x == NULL) |
| goto end; |
| |
| if (do_ver) { |
| if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath, |
| CAstore, noCAstore)) == NULL) |
| goto end; |
| lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); |
| if (lookup == NULL) |
| goto end; |
| ctx = X509_STORE_CTX_new(); |
| if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) { |
| BIO_printf(bio_err, "Error initialising X509 store\n"); |
| goto end; |
| } |
| |
| xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509, |
| X509_CRL_get_issuer(x)); |
| if (xobj == NULL) { |
| BIO_printf(bio_err, "Error getting CRL issuer certificate\n"); |
| goto end; |
| } |
| pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj)); |
| X509_OBJECT_free(xobj); |
| if (pkey == NULL) { |
| 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 (crldiff != NULL) { |
| X509_CRL *newcrl, *delta; |
| if (!keyfile) { |
| BIO_puts(bio_err, "Missing CRL signing key\n"); |
| goto end; |
| } |
| newcrl = load_crl(crldiff, informat, 0, "other CRL"); |
| if (!newcrl) |
| goto end; |
| pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key"); |
| if (pkey == NULL) { |
| 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 (badsig) { |
| const ASN1_BIT_STRING *sig; |
| |
| X509_CRL_get0_signature(x, &sig, NULL); |
| corrupt_signature(sig); |
| } |
| |
| if (num) { |
| for (i = 1; i <= num; i++) { |
| if (issuer == i) { |
| print_name(bio_out, "issuer=", X509_CRL_get_issuer(x)); |
| } |
| 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) { |
| BIO_puts(bio_out, "0x"); |
| i2a_ASN1_INTEGER(bio_out, crlnum); |
| ASN1_INTEGER_free(crlnum); |
| } else { |
| BIO_puts(bio_out, "<NONE>"); |
| } |
| BIO_printf(bio_out, "\n"); |
| } |
| if (hash == i) { |
| int ok; |
| unsigned long hash_value = |
| X509_NAME_hash_ex(X509_CRL_get_issuer(x), app_get0_libctx(), |
| app_get0_propq(), &ok); |
| |
| if (num > 1) |
| BIO_printf(bio_out, "issuer name hash="); |
| if (ok) { |
| BIO_printf(bio_out, "%08lx\n", hash_value); |
| } else { |
| BIO_puts(bio_out, "<ERROR>"); |
| goto end; |
| } |
| } |
| #ifndef OPENSSL_NO_MD5 |
| if (hash_old == i) { |
| if (num > 1) |
| BIO_printf(bio_out, "issuer name old hash="); |
| 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_ex(bio_out, X509_CRL_get0_lastUpdate(x), dateopt); |
| BIO_printf(bio_out, "\n"); |
| } |
| if (nextupdate == i) { |
| BIO_printf(bio_out, "nextUpdate="); |
| if (X509_CRL_get0_nextUpdate(x)) |
| ASN1_TIME_print_ex(bio_out, X509_CRL_get0_nextUpdate(x), dateopt); |
| 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=", |
| EVP_MD_get0_name(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_ex(out, x, get_nameopt()); |
| |
| if (noout) { |
| ret = 0; |
| goto end; |
| } |
| |
| 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); |
| EVP_MD_free(digest); |
| X509_CRL_free(x); |
| X509_STORE_CTX_free(ctx); |
| X509_STORE_free(store); |
| return ret; |
| } |
