blob: c8f0981ee79905b8c436f5feed963484faecaf6c [file] [log] [blame]
/*
* 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;
}