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openssl/apps/ca.c
Matt Caswell f2e95a02b1 Add malloc failure checks 
Add some missing checks for memory allocation failures in ca app.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit a561bfe944)
2015-03-17 13:48:04 +00:00

2924 lines
93 KiB
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/* apps/ca.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.]
*/
/* The PPKI stuff has been donated by Jeff Barber <jeffb@issl.atl.hp.com> */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <openssl/conf.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/txt_db.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>
#ifndef W_OK
# ifdef OPENSSL_SYS_VMS
# if defined(__DECC)
# include <unistd.h>
# else
# include <unixlib.h>
# endif
# elif !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_NETWARE)
# include <sys/file.h>
# endif
#endif
#include "apps.h"
#ifndef W_OK
# define F_OK 0
# define X_OK 1
# define W_OK 2
# define R_OK 4
#endif
#undef PROG
#define PROG ca_main
#define BASE_SECTION "ca"
#define CONFIG_FILE "openssl.cnf"
#define ENV_DEFAULT_CA "default_ca"
#define STRING_MASK "string_mask"
#define UTF8_IN "utf8"
#define ENV_DIR "dir"
#define ENV_CERTS "certs"
#define ENV_CRL_DIR "crl_dir"
#define ENV_CA_DB "CA_DB"
#define ENV_NEW_CERTS_DIR "new_certs_dir"
#define ENV_CERTIFICATE "certificate"
#define ENV_SERIAL "serial"
#define ENV_CRLNUMBER "crlnumber"
#define ENV_CRL "crl"
#define ENV_PRIVATE_KEY "private_key"
#define ENV_RANDFILE "RANDFILE"
#define ENV_DEFAULT_DAYS "default_days"
#define ENV_DEFAULT_STARTDATE "default_startdate"
#define ENV_DEFAULT_ENDDATE "default_enddate"
#define ENV_DEFAULT_CRL_DAYS "default_crl_days"
#define ENV_DEFAULT_CRL_HOURS "default_crl_hours"
#define ENV_DEFAULT_MD "default_md"
#define ENV_DEFAULT_EMAIL_DN "email_in_dn"
#define ENV_PRESERVE "preserve"
#define ENV_POLICY "policy"
#define ENV_EXTENSIONS "x509_extensions"
#define ENV_CRLEXT "crl_extensions"
#define ENV_MSIE_HACK "msie_hack"
#define ENV_NAMEOPT "name_opt"
#define ENV_CERTOPT "cert_opt"
#define ENV_EXTCOPY "copy_extensions"
#define ENV_UNIQUE_SUBJECT "unique_subject"
#define ENV_DATABASE "database"
/* Additional revocation information types */
#define REV_NONE 0 /* No addditional information */
#define REV_CRL_REASON 1 /* Value is CRL reason code */
#define REV_HOLD 2 /* Value is hold instruction */
#define REV_KEY_COMPROMISE 3 /* Value is cert key compromise time */
#define REV_CA_COMPROMISE 4 /* Value is CA key compromise time */
static const char *ca_usage[] = {
"usage: ca args\n",
"\n",
" -verbose - Talk alot while doing things\n",
" -config file - A config file\n",
" -name arg - The particular CA definition to use\n",
" -gencrl - Generate a new CRL\n",
" -crldays days - Days is when the next CRL is due\n",
" -crlhours hours - Hours is when the next CRL is due\n",
" -startdate YYMMDDHHMMSSZ - certificate validity notBefore\n",
" -enddate YYMMDDHHMMSSZ - certificate validity notAfter (overrides -days)\n",
" -days arg - number of days to certify the certificate for\n",
" -md arg - md to use, one of md2, md5, sha or sha1\n",
" -policy arg - The CA 'policy' to support\n",
" -keyfile arg - private key file\n",
" -keyform arg - private key file format (PEM or ENGINE)\n",
" -key arg - key to decode the private key if it is encrypted\n",
" -cert file - The CA certificate\n",
" -selfsign - sign a certificate with the key associated with it\n",
" -in file - The input PEM encoded certificate request(s)\n",
" -out file - Where to put the output file(s)\n",
" -outdir dir - Where to put output certificates\n",
" -infiles .... - The last argument, requests to process\n",
" -spkac file - File contains DN and signed public key and challenge\n",
" -ss_cert file - File contains a self signed cert to sign\n",
" -preserveDN - Don't re-order the DN\n",
" -noemailDN - Don't add the EMAIL field into certificate' subject\n",
" -batch - Don't ask questions\n",
" -msie_hack - msie modifications to handle all those universal strings\n",
" -revoke file - Revoke a certificate (given in file)\n",
" -subj arg - Use arg instead of request's subject\n",
" -utf8 - input characters are UTF8 (default ASCII)\n",
" -multivalue-rdn - enable support for multivalued RDNs\n",
" -extensions .. - Extension section (override value in config file)\n",
" -extfile file - Configuration file with X509v3 extentions to add\n",
" -crlexts .. - CRL extension section (override value in config file)\n",
#ifndef OPENSSL_NO_ENGINE
" -engine e - use engine e, possibly a hardware device.\n",
#endif
" -status serial - Shows certificate status given the serial number\n",
" -updatedb - Updates db for expired certificates\n",
NULL
};
#ifdef EFENCE
extern int EF_PROTECT_FREE;
extern int EF_PROTECT_BELOW;
extern int EF_ALIGNMENT;
#endif
static void lookup_fail(const char *name, const char *tag);
static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate, char *enddate,
long days, int batch, char *ext_sect, CONF *conf,
int verbose, unsigned long certopt, unsigned long nameopt,
int default_op, int ext_copy, int selfsign);
static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate,
char *enddate, long days, int batch, char *ext_sect,
CONF *conf, int verbose, unsigned long certopt,
unsigned long nameopt, int default_op, int ext_copy,
ENGINE *e);
static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey,
X509 *x509, const EVP_MD *dgst,
STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate,
char *enddate, long days, char *ext_sect, CONF *conf,
int verbose, unsigned long certopt,
unsigned long nameopt, int default_op, int ext_copy);
static void write_new_certificate(BIO *bp, X509 *x, int output_der,
int notext);
static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,
char *subj, unsigned long chtype, int multirdn,
int email_dn, char *startdate, char *enddate, long days,
int batch, int verbose, X509_REQ *req, char *ext_sect,
CONF *conf, unsigned long certopt, unsigned long nameopt,
int default_op, int ext_copy, int selfsign);
static int do_revoke(X509 *x509, CA_DB *db, int ext, char *extval);
static int get_certificate_status(const char *ser_status, CA_DB *db);
static int do_updatedb(CA_DB *db);
static int check_time_format(const char *str);
char *make_revocation_str(int rev_type, char *rev_arg);
int make_revoked(X509_REVOKED *rev, const char *str);
int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str);
static CONF *conf = NULL;
static CONF *extconf = NULL;
static char *section = NULL;
static int preserve = 0;
static int msie_hack = 0;
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
char *key = NULL, *passargin = NULL;
int create_ser = 0;
int free_key = 0;
int total = 0;
int total_done = 0;
int badops = 0;
int ret = 1;
int email_dn = 1;
int req = 0;
int verbose = 0;
int gencrl = 0;
int dorevoke = 0;
int doupdatedb = 0;
long crldays = 0;
long crlhours = 0;
long crlsec = 0;
long errorline = -1;
char *configfile = NULL;
char *md = NULL;
char *policy = NULL;
char *keyfile = NULL;
char *certfile = NULL;
int keyform = FORMAT_PEM;
char *infile = NULL;
char *spkac_file = NULL;
char *ss_cert_file = NULL;
char *ser_status = NULL;
EVP_PKEY *pkey = NULL;
int output_der = 0;
char *outfile = NULL;
char *outdir = NULL;
char *serialfile = NULL;
char *crlnumberfile = NULL;
char *extensions = NULL;
char *extfile = NULL;
char *subj = NULL;
unsigned long chtype = MBSTRING_ASC;
int multirdn = 0;
char *tmp_email_dn = NULL;
char *crl_ext = NULL;
int rev_type = REV_NONE;
char *rev_arg = NULL;
BIGNUM *serial = NULL;
BIGNUM *crlnumber = NULL;
char *startdate = NULL;
char *enddate = NULL;
long days = 0;
int batch = 0;
int notext = 0;
unsigned long nameopt = 0, certopt = 0;
int default_op = 1;
int ext_copy = EXT_COPY_NONE;
int selfsign = 0;
X509 *x509 = NULL, *x509p = NULL;
X509 *x = NULL;
BIO *in = NULL, *out = NULL, *Sout = NULL, *Cout = NULL;
char *dbfile = NULL;
CA_DB *db = NULL;
X509_CRL *crl = NULL;
X509_REVOKED *r = NULL;
ASN1_TIME *tmptm;
ASN1_INTEGER *tmpser;
char *f;
const char *p;
char *const *pp;
int i, j;
const EVP_MD *dgst = NULL;
STACK_OF(CONF_VALUE) *attribs = NULL;
STACK_OF(X509) *cert_sk = NULL;
STACK_OF(OPENSSL_STRING) *sigopts = NULL;
#undef BSIZE
#define BSIZE 256
MS_STATIC char buf[3][BSIZE];
char *randfile = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
#endif
char *tofree = NULL;
DB_ATTR db_attr;
#ifdef EFENCE
EF_PROTECT_FREE = 1;
EF_PROTECT_BELOW = 1;
EF_ALIGNMENT = 0;
#endif
apps_startup();
conf = NULL;
key = NULL;
section = NULL;
preserve = 0;
msie_hack = 0;
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-verbose") == 0)
verbose = 1;
else if (strcmp(*argv, "-config") == 0) {
if (--argc < 1)
goto bad;
configfile = *(++argv);
} else if (strcmp(*argv, "-name") == 0) {
if (--argc < 1)
goto bad;
section = *(++argv);
} else if (strcmp(*argv, "-subj") == 0) {
if (--argc < 1)
goto bad;
subj = *(++argv);
/* preserve=1; */
} else if (strcmp(*argv, "-utf8") == 0)
chtype = MBSTRING_UTF8;
else if (strcmp(*argv, "-create_serial") == 0)
create_ser = 1;
else if (strcmp(*argv, "-multivalue-rdn") == 0)
multirdn = 1;
else if (strcmp(*argv, "-startdate") == 0) {
if (--argc < 1)
goto bad;
startdate = *(++argv);
} else if (strcmp(*argv, "-enddate") == 0) {
if (--argc < 1)
goto bad;
enddate = *(++argv);
} else if (strcmp(*argv, "-days") == 0) {
if (--argc < 1)
goto bad;
days = atoi(*(++argv));
} else if (strcmp(*argv, "-md") == 0) {
if (--argc < 1)
goto bad;
md = *(++argv);
} else if (strcmp(*argv, "-policy") == 0) {
if (--argc < 1)
goto bad;
policy = *(++argv);
} else if (strcmp(*argv, "-keyfile") == 0) {
if (--argc < 1)
goto bad;
keyfile = *(++argv);
} else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
goto bad;
keyform = str2fmt(*(++argv));
} else if (strcmp(*argv, "-passin") == 0) {
if (--argc < 1)
goto bad;
passargin = *(++argv);
} else if (strcmp(*argv, "-key") == 0) {
if (--argc < 1)
goto bad;
key = *(++argv);
} else if (strcmp(*argv, "-cert") == 0) {
if (--argc < 1)
goto bad;
certfile = *(++argv);
} else if (strcmp(*argv, "-selfsign") == 0)
selfsign = 1;
else if (strcmp(*argv, "-in") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
req = 1;
} else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
} else if (strcmp(*argv, "-outdir") == 0) {
if (--argc < 1)
goto bad;
outdir = *(++argv);
} else if (strcmp(*argv, "-sigopt") == 0) {
if (--argc < 1)
goto bad;
if (!sigopts)
sigopts = sk_OPENSSL_STRING_new_null();
if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
goto bad;
} else if (strcmp(*argv, "-notext") == 0)
notext = 1;
else if (strcmp(*argv, "-batch") == 0)
batch = 1;
else if (strcmp(*argv, "-preserveDN") == 0)
preserve = 1;
else if (strcmp(*argv, "-noemailDN") == 0)
email_dn = 0;
else if (strcmp(*argv, "-gencrl") == 0)
gencrl = 1;
else if (strcmp(*argv, "-msie_hack") == 0)
msie_hack = 1;
else if (strcmp(*argv, "-crldays") == 0) {
if (--argc < 1)
goto bad;
crldays = atol(*(++argv));
} else if (strcmp(*argv, "-crlhours") == 0) {
if (--argc < 1)
goto bad;
crlhours = atol(*(++argv));
} else if (strcmp(*argv, "-crlsec") == 0) {
if (--argc < 1)
goto bad;
crlsec = atol(*(++argv));
} else if (strcmp(*argv, "-infiles") == 0) {
argc--;
argv++;
req = 1;
break;
} else if (strcmp(*argv, "-ss_cert") == 0) {
if (--argc < 1)
goto bad;
ss_cert_file = *(++argv);
req = 1;
} else if (strcmp(*argv, "-spkac") == 0) {
if (--argc < 1)
goto bad;
spkac_file = *(++argv);
req = 1;
} else if (strcmp(*argv, "-revoke") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
dorevoke = 1;
} else if (strcmp(*argv, "-valid") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
dorevoke = 2;
} else if (strcmp(*argv, "-extensions") == 0) {
if (--argc < 1)
goto bad;
extensions = *(++argv);
} else if (strcmp(*argv, "-extfile") == 0) {
if (--argc < 1)
goto bad;
extfile = *(++argv);
} else if (strcmp(*argv, "-status") == 0) {
if (--argc < 1)
goto bad;
ser_status = *(++argv);
} else if (strcmp(*argv, "-updatedb") == 0) {
doupdatedb = 1;
} else if (strcmp(*argv, "-crlexts") == 0) {
if (--argc < 1)
goto bad;
crl_ext = *(++argv);
} else if (strcmp(*argv, "-crl_reason") == 0) {
if (--argc < 1)
goto bad;
rev_arg = *(++argv);
rev_type = REV_CRL_REASON;
} else if (strcmp(*argv, "-crl_hold") == 0) {
if (--argc < 1)
goto bad;
rev_arg = *(++argv);
rev_type = REV_HOLD;
} else if (strcmp(*argv, "-crl_compromise") == 0) {
if (--argc < 1)
goto bad;
rev_arg = *(++argv);
rev_type = REV_KEY_COMPROMISE;
} else if (strcmp(*argv, "-crl_CA_compromise") == 0) {
if (--argc < 1)
goto bad;
rev_arg = *(++argv);
rev_type = REV_CA_COMPROMISE;
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine = *(++argv);
}
#endif
else {
bad:
BIO_printf(bio_err, "unknown option %s\n", *argv);
badops = 1;
break;
}
argc--;
argv++;
}
if (badops) {
const char **pp2;
for (pp2 = ca_usage; (*pp2 != NULL); pp2++)
BIO_printf(bio_err, "%s", *pp2);
goto err;
}
ERR_load_crypto_strings();
/*****************************************************************/
tofree = NULL;
if (configfile == NULL)
configfile = getenv("OPENSSL_CONF");
if (configfile == NULL)
configfile = getenv("SSLEAY_CONF");
if (configfile == NULL) {
const char *s = X509_get_default_cert_area();
size_t len;
#ifdef OPENSSL_SYS_VMS
len = strlen(s) + sizeof(CONFIG_FILE);
tofree = OPENSSL_malloc(len);
if(!tofree) {
BIO_printf(bio_err, "Out of memory\n");
goto err;
}
strcpy(tofree, s);
#else
len = strlen(s) + sizeof(CONFIG_FILE) + 1;
tofree = OPENSSL_malloc(len);
if(!tofree) {
BIO_printf(bio_err, "Out of memory\n");
goto err;
}
BUF_strlcpy(tofree, s, len);
BUF_strlcat(tofree, "/", len);
#endif
BUF_strlcat(tofree, CONFIG_FILE, len);
configfile = tofree;
}
BIO_printf(bio_err, "Using configuration from %s\n", configfile);
conf = NCONF_new(NULL);
if (NCONF_load(conf, configfile, &errorline) <= 0) {
if (errorline <= 0)
BIO_printf(bio_err, "error loading the config file '%s'\n",
configfile);
else
BIO_printf(bio_err, "error on line %ld of config file '%s'\n",
errorline, configfile);
goto err;
}
if (tofree) {
OPENSSL_free(tofree);
tofree = NULL;
}
if (!load_config(bio_err, conf))
goto err;
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
/* Lets get the config section we are using */
if (section == NULL) {
section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_CA);
if (section == NULL) {
lookup_fail(BASE_SECTION, ENV_DEFAULT_CA);
goto err;
}
}
if (conf != NULL) {
p = NCONF_get_string(conf, NULL, "oid_file");
if (p == NULL)
ERR_clear_error();
if (p != NULL) {
BIO *oid_bio;
oid_bio = BIO_new_file(p, "r");
if (oid_bio == NULL) {
/*-
BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
ERR_print_errors(bio_err);
*/
ERR_clear_error();
} else {
OBJ_create_objects(oid_bio);
BIO_free(oid_bio);
}
}
if (!add_oid_section(bio_err, conf)) {
ERR_print_errors(bio_err);
goto err;
}
}
randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
if (randfile == NULL)
ERR_clear_error();
app_RAND_load_file(randfile, bio_err, 0);
f = NCONF_get_string(conf, section, STRING_MASK);
if (!f)
ERR_clear_error();
if (f && !ASN1_STRING_set_default_mask_asc(f)) {
BIO_printf(bio_err, "Invalid global string mask setting %s\n", f);
goto err;
}
if (chtype != MBSTRING_UTF8) {
f = NCONF_get_string(conf, section, UTF8_IN);
if (!f)
ERR_clear_error();
else if (!strcmp(f, "yes"))
chtype = MBSTRING_UTF8;
}
db_attr.unique_subject = 1;
p = NCONF_get_string(conf, section, ENV_UNIQUE_SUBJECT);
if (p) {
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: unique_subject = \"%s\"\n", p);
#endif
db_attr.unique_subject = parse_yesno(p, 1);
} else
ERR_clear_error();
#ifdef RL_DEBUG
if (!p)
BIO_printf(bio_err, "DEBUG: unique_subject undefined\n");
#endif
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: configured unique_subject is %d\n",
db_attr.unique_subject);
#endif
in = BIO_new(BIO_s_file());
out = BIO_new(BIO_s_file());
Sout = BIO_new(BIO_s_file());
Cout = BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL)) {
ERR_print_errors(bio_err);
goto err;
}
/*****************************************************************/
/* report status of cert with serial number given on command line */
if (ser_status) {
if ((dbfile = NCONF_get_string(conf, section, ENV_DATABASE)) == NULL) {
lookup_fail(section, ENV_DATABASE);
goto err;
}
db = load_index(dbfile, &db_attr);
if (db == NULL)
goto err;
if (!index_index(db))
goto err;
if (get_certificate_status(ser_status, db) != 1)
BIO_printf(bio_err, "Error verifying serial %s!\n", ser_status);
goto err;
}
/*****************************************************************/
/* we definitely need a private key, so let's get it */
if ((keyfile == NULL) && ((keyfile = NCONF_get_string(conf,
section,
ENV_PRIVATE_KEY)) ==
NULL)) {
lookup_fail(section, ENV_PRIVATE_KEY);
goto err;
}
if (!key) {
free_key = 1;
if (!app_passwd(bio_err, passargin, NULL, &key, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto err;
}
}
pkey = load_key(bio_err, keyfile, keyform, 0, key, e, "CA private key");
if (key)
OPENSSL_cleanse(key, strlen(key));
if (pkey == NULL) {
/* load_key() has already printed an appropriate message */
goto err;
}
/*****************************************************************/
/* we need a certificate */
if (!selfsign || spkac_file || ss_cert_file || gencrl) {
if ((certfile == NULL)
&& ((certfile = NCONF_get_string(conf,
section,
ENV_CERTIFICATE)) == NULL)) {
lookup_fail(section, ENV_CERTIFICATE);
goto err;
}
x509 = load_cert(bio_err, certfile, FORMAT_PEM, NULL, e,
"CA certificate");
if (x509 == NULL)
goto err;
if (!X509_check_private_key(x509, pkey)) {
BIO_printf(bio_err,
"CA certificate and CA private key do not match\n");
goto err;
}
}
if (!selfsign)
x509p = x509;
f = NCONF_get_string(conf, BASE_SECTION, ENV_PRESERVE);
if (f == NULL)
ERR_clear_error();
if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
preserve = 1;
f = NCONF_get_string(conf, BASE_SECTION, ENV_MSIE_HACK);
if (f == NULL)
ERR_clear_error();
if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
msie_hack = 1;
f = NCONF_get_string(conf, section, ENV_NAMEOPT);
if (f) {
if (!set_name_ex(&nameopt, f)) {
BIO_printf(bio_err, "Invalid name options: \"%s\"\n", f);
goto err;
}
default_op = 0;
} else
ERR_clear_error();
f = NCONF_get_string(conf, section, ENV_CERTOPT);
if (f) {
if (!set_cert_ex(&certopt, f)) {
BIO_printf(bio_err, "Invalid certificate options: \"%s\"\n", f);
goto err;
}
default_op = 0;
} else
ERR_clear_error();
f = NCONF_get_string(conf, section, ENV_EXTCOPY);
if (f) {
if (!set_ext_copy(&ext_copy, f)) {
BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n", f);
goto err;
}
} else
ERR_clear_error();
/*****************************************************************/
/* lookup where to write new certificates */
if ((outdir == NULL) && (req)) {
if ((outdir = NCONF_get_string(conf, section, ENV_NEW_CERTS_DIR))
== NULL) {
BIO_printf(bio_err,
"there needs to be defined a directory for new certificate to be placed in\n");
goto err;
}
#ifndef OPENSSL_SYS_VMS
/*
* outdir is a directory spec, but access() for VMS demands a
* filename. In any case, stat(), below, will catch the problem if
* outdir is not a directory spec, and the fopen() or open() will
* catch an error if there is no write access.
*
* Presumably, this problem could also be solved by using the DEC C
* routines to convert the directory syntax to Unixly, and give that
* to access(). However, time's too short to do that just now.
*/
# ifndef _WIN32
if (access(outdir, R_OK | W_OK | X_OK) != 0)
# else
if (_access(outdir, R_OK | W_OK | X_OK) != 0)
# endif
{
BIO_printf(bio_err, "I am unable to access the %s directory\n",
outdir);
perror(outdir);
goto err;
}
if (app_isdir(outdir) <= 0) {
BIO_printf(bio_err, "%s need to be a directory\n", outdir);
perror(outdir);
goto err;
}
#endif
}
/*****************************************************************/
/* we need to load the database file */
if ((dbfile = NCONF_get_string(conf, section, ENV_DATABASE)) == NULL) {
lookup_fail(section, ENV_DATABASE);
goto err;
}
db = load_index(dbfile, &db_attr);
if (db == NULL)
goto err;
/* Lets check some fields */
for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
if ((pp[DB_type][0] != DB_TYPE_REV) && (pp[DB_rev_date][0] != '\0')) {
BIO_printf(bio_err,
"entry %d: not revoked yet, but has a revocation date\n",
i + 1);
goto err;
}
if ((pp[DB_type][0] == DB_TYPE_REV) &&
!make_revoked(NULL, pp[DB_rev_date])) {
BIO_printf(bio_err, " in entry %d\n", i + 1);
goto err;
}
if (!check_time_format((char *)pp[DB_exp_date])) {
BIO_printf(bio_err, "entry %d: invalid expiry date\n", i + 1);
goto err;
}
p = pp[DB_serial];
j = strlen(p);
if (*p == '-') {
p++;
j--;
}
if ((j & 1) || (j < 2)) {
BIO_printf(bio_err, "entry %d: bad serial number length (%d)\n",
i + 1, j);
goto err;
}
while (*p) {
if (!(((*p >= '0') && (*p <= '9')) ||
((*p >= 'A') && (*p <= 'F')) ||
((*p >= 'a') && (*p <= 'f')))) {
BIO_printf(bio_err,
"entry %d: bad serial number characters, char pos %ld, char is '%c'\n",
i + 1, (long)(p - pp[DB_serial]), *p);
goto err;
}
p++;
}
}
if (verbose) {
BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); /* cannot fail */
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
TXT_DB_write(out, db->db);
BIO_printf(bio_err, "%d entries loaded from the database\n",
sk_OPENSSL_PSTRING_num(db->db->data));
BIO_printf(bio_err, "generating index\n");
}
if (!index_index(db))
goto err;
/*****************************************************************/
/* Update the db file for expired certificates */
if (doupdatedb) {
if (verbose)
BIO_printf(bio_err, "Updating %s ...\n", dbfile);
i = do_updatedb(db);
if (i == -1) {
BIO_printf(bio_err, "Malloc failure\n");
goto err;
} else if (i == 0) {
if (verbose)
BIO_printf(bio_err, "No entries found to mark expired\n");
} else {
if (!save_index(dbfile, "new", db))
goto err;
if (!rotate_index(dbfile, "new", "old"))
goto err;
if (verbose)
BIO_printf(bio_err,
"Done. %d entries marked as expired\n", i);
}
}
/*****************************************************************/
/* Read extentions config file */
if (extfile) {
extconf = NCONF_new(NULL);
if (NCONF_load(extconf, extfile, &errorline) <= 0) {
if (errorline <= 0)
BIO_printf(bio_err, "ERROR: loading the config file '%s'\n",
extfile);
else
BIO_printf(bio_err,
"ERROR: on line %ld of config file '%s'\n",
errorline, extfile);
ret = 1;
goto err;
}
if (verbose)
BIO_printf(bio_err, "Successfully loaded extensions file %s\n",
extfile);
/* We can have sections in the ext file */
if (!extensions
&& !(extensions =
NCONF_get_string(extconf, "default", "extensions")))
extensions = "default";
}
/*****************************************************************/
if (req || gencrl) {
if (outfile != NULL) {
if (BIO_write_filename(Sout, outfile) <= 0) {
perror(outfile);
goto err;
}
} else {
BIO_set_fp(Sout, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
Sout = BIO_push(tmpbio, Sout);
}
#endif
}
}
if ((md == NULL) && ((md = NCONF_get_string(conf,
section,
ENV_DEFAULT_MD)) == NULL)) {
lookup_fail(section, ENV_DEFAULT_MD);
goto err;
}
if (!strcmp(md, "default")) {
int def_nid;
if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0) {
BIO_puts(bio_err, "no default digest\n");
goto err;
}
md = (char *)OBJ_nid2sn(def_nid);
}
if ((dgst = EVP_get_digestbyname(md)) == NULL) {
BIO_printf(bio_err, "%s is an unsupported message digest type\n", md);
goto err;
}
if (req) {
if ((email_dn == 1) && ((tmp_email_dn = NCONF_get_string(conf,
section,
ENV_DEFAULT_EMAIL_DN))
!= NULL)) {
if (strcmp(tmp_email_dn, "no") == 0)
email_dn = 0;
}
if (verbose)
BIO_printf(bio_err, "message digest is %s\n",
OBJ_nid2ln(dgst->type));
if ((policy == NULL) && ((policy = NCONF_get_string(conf,
section,
ENV_POLICY)) ==
NULL)) {
lookup_fail(section, ENV_POLICY);
goto err;
}
if (verbose)
BIO_printf(bio_err, "policy is %s\n", policy);
if ((serialfile = NCONF_get_string(conf, section, ENV_SERIAL))
== NULL) {
lookup_fail(section, ENV_SERIAL);
goto err;
}
if (!extconf) {
/*
* no '-extfile' option, so we look for extensions in the main
* configuration file
*/
if (!extensions) {
extensions = NCONF_get_string(conf, section, ENV_EXTENSIONS);
if (!extensions)
ERR_clear_error();
}
if (extensions) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx, extensions, NULL)) {
BIO_printf(bio_err,
"Error Loading extension section %s\n",
extensions);
ret = 1;
goto err;
}
}
}
if (startdate == NULL) {
startdate = NCONF_get_string(conf, section,
ENV_DEFAULT_STARTDATE);
if (startdate == NULL)
ERR_clear_error();
}
if (startdate && !ASN1_TIME_set_string(NULL, startdate)) {
BIO_printf(bio_err,
"start date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\n");
goto err;
}
if (startdate == NULL)
startdate = "today";
if (enddate == NULL) {
enddate = NCONF_get_string(conf, section, ENV_DEFAULT_ENDDATE);
if (enddate == NULL)
ERR_clear_error();
}
if (enddate && !ASN1_TIME_set_string(NULL, enddate)) {
BIO_printf(bio_err,
"end date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\n");
goto err;
}
if (days == 0) {
if (!NCONF_get_number(conf, section, ENV_DEFAULT_DAYS, &days))
days = 0;
}
if (!enddate && (days == 0)) {
BIO_printf(bio_err,
"cannot lookup how many days to certify for\n");
goto err;
}
if ((serial = load_serial(serialfile, create_ser, NULL)) == NULL) {
BIO_printf(bio_err, "error while loading serial number\n");
goto err;
}
if (verbose) {
if (BN_is_zero(serial))
BIO_printf(bio_err, "next serial number is 00\n");
else {
if ((f = BN_bn2hex(serial)) == NULL)
goto err;
BIO_printf(bio_err, "next serial number is %s\n", f);
OPENSSL_free(f);
}
}
if ((attribs = NCONF_get_section(conf, policy)) == NULL) {
BIO_printf(bio_err, "unable to find 'section' for %s\n", policy);
goto err;
}
if ((cert_sk = sk_X509_new_null()) == NULL) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
if (spkac_file != NULL) {
total++;
j = certify_spkac(&x, spkac_file, pkey, x509, dgst, sigopts,
attribs, db, serial, subj, chtype, multirdn,
email_dn, startdate, enddate, days, extensions,
conf, verbose, certopt, nameopt, default_op,
ext_copy);
if (j < 0)
goto err;
if (j > 0) {
total_done++;
BIO_printf(bio_err, "\n");
if (!BN_add_word(serial, 1))
goto err;
if (!sk_X509_push(cert_sk, x)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
if (outfile) {
output_der = 1;
batch = 1;
}
}
}
if (ss_cert_file != NULL) {
total++;
j = certify_cert(&x, ss_cert_file, pkey, x509, dgst, sigopts,
attribs,
db, serial, subj, chtype, multirdn, email_dn,
startdate, enddate, days, batch, extensions,
conf, verbose, certopt, nameopt, default_op,
ext_copy, e);
if (j < 0)
goto err;
if (j > 0) {
total_done++;
BIO_printf(bio_err, "\n");
if (!BN_add_word(serial, 1))
goto err;
if (!sk_X509_push(cert_sk, x)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
}
}
if (infile != NULL) {
total++;
j = certify(&x, infile, pkey, x509p, dgst, sigopts, attribs, db,
serial, subj, chtype, multirdn, email_dn, startdate,
enddate, days, batch, extensions, conf, verbose,
certopt, nameopt, default_op, ext_copy, selfsign);
if (j < 0)
goto err;
if (j > 0) {
total_done++;
BIO_printf(bio_err, "\n");
if (!BN_add_word(serial, 1))
goto err;
if (!sk_X509_push(cert_sk, x)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
}
}
for (i = 0; i < argc; i++) {
total++;
j = certify(&x, argv[i], pkey, x509p, dgst, sigopts, attribs, db,
serial, subj, chtype, multirdn, email_dn, startdate,
enddate, days, batch, extensions, conf, verbose,
certopt, nameopt, default_op, ext_copy, selfsign);
if (j < 0)
goto err;
if (j > 0) {
total_done++;
BIO_printf(bio_err, "\n");
if (!BN_add_word(serial, 1))
goto err;
if (!sk_X509_push(cert_sk, x)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
}
}
/*
* we have a stack of newly certified certificates and a data base
* and serial number that need updating
*/
if (sk_X509_num(cert_sk) > 0) {
if (!batch) {
BIO_printf(bio_err,
"\n%d out of %d certificate requests certified, commit? [y/n]",
total_done, total);
(void)BIO_flush(bio_err);
buf[0][0] = '\0';
if (!fgets(buf[0], 10, stdin)) {
BIO_printf(bio_err,
"CERTIFICATION CANCELED: I/O error\n");
ret = 0;
goto err;
}
if ((buf[0][0] != 'y') && (buf[0][0] != 'Y')) {
BIO_printf(bio_err, "CERTIFICATION CANCELED\n");
ret = 0;
goto err;
}
}
BIO_printf(bio_err, "Write out database with %d new entries\n",
sk_X509_num(cert_sk));
if (!save_serial(serialfile, "new", serial, NULL))
goto err;
if (!save_index(dbfile, "new", db))
goto err;
}
if (verbose)
BIO_printf(bio_err, "writing new certificates\n");
for (i = 0; i < sk_X509_num(cert_sk); i++) {
int k;
char *n;
x = sk_X509_value(cert_sk, i);
j = x->cert_info->serialNumber->length;
p = (const char *)x->cert_info->serialNumber->data;
if (strlen(outdir) >= (size_t)(j ? BSIZE - j * 2 - 6 : BSIZE - 8)) {
BIO_printf(bio_err, "certificate file name too long\n");
goto err;
}
strcpy(buf[2], outdir);
#ifndef OPENSSL_SYS_VMS
BUF_strlcat(buf[2], "/", sizeof(buf[2]));
#endif
n = (char *)&(buf[2][strlen(buf[2])]);
if (j > 0) {
for (k = 0; k < j; k++) {
if (n >= &(buf[2][sizeof(buf[2])]))
break;
BIO_snprintf(n,
&buf[2][0] + sizeof(buf[2]) - n,
"%02X", (unsigned char)*(p++));
n += 2;
}
} else {
*(n++) = '0';
*(n++) = '0';
}
*(n++) = '.';
*(n++) = 'p';
*(n++) = 'e';
*(n++) = 'm';
*n = '\0';
if (verbose)
BIO_printf(bio_err, "writing %s\n", buf[2]);
if (BIO_write_filename(Cout, buf[2]) <= 0) {
perror(buf[2]);
goto err;
}
write_new_certificate(Cout, x, 0, notext);
write_new_certificate(Sout, x, output_der, notext);
}
if (sk_X509_num(cert_sk)) {
/* Rename the database and the serial file */
if (!rotate_serial(serialfile, "new", "old"))
goto err;
if (!rotate_index(dbfile, "new", "old"))
goto err;
BIO_printf(bio_err, "Data Base Updated\n");
}
}
/*****************************************************************/
if (gencrl) {
int crl_v2 = 0;
if (!crl_ext) {
crl_ext = NCONF_get_string(conf, section, ENV_CRLEXT);
if (!crl_ext)
ERR_clear_error();
}
if (crl_ext) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx, crl_ext, NULL)) {
BIO_printf(bio_err,
"Error Loading CRL extension section %s\n",
crl_ext);
ret = 1;
goto err;
}
}
if ((crlnumberfile = NCONF_get_string(conf, section, ENV_CRLNUMBER))
!= NULL)
if ((crlnumber = load_serial(crlnumberfile, 0, NULL)) == NULL) {
BIO_printf(bio_err, "error while loading CRL number\n");
goto err;
}
if (!crldays && !crlhours && !crlsec) {
if (!NCONF_get_number(conf, section,
ENV_DEFAULT_CRL_DAYS, &crldays))
crldays = 0;
if (!NCONF_get_number(conf, section,
ENV_DEFAULT_CRL_HOURS, &crlhours))
crlhours = 0;
ERR_clear_error();
}
if ((crldays == 0) && (crlhours == 0) && (crlsec == 0)) {
BIO_printf(bio_err,
"cannot lookup how long until the next CRL is issued\n");
goto err;
}
if (verbose)
BIO_printf(bio_err, "making CRL\n");
if ((crl = X509_CRL_new()) == NULL)
goto err;
if (!X509_CRL_set_issuer_name(crl, X509_get_subject_name(x509)))
goto err;
tmptm = ASN1_TIME_new();
if (!tmptm)
goto err;
X509_gmtime_adj(tmptm, 0);
X509_CRL_set_lastUpdate(crl, tmptm);
if (!X509_time_adj_ex(tmptm, crldays, crlhours * 60 * 60 + crlsec,
NULL)) {
BIO_puts(bio_err, "error setting CRL nextUpdate\n");
goto err;
}
X509_CRL_set_nextUpdate(crl, tmptm);
ASN1_TIME_free(tmptm);
for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
if (pp[DB_type][0] == DB_TYPE_REV) {
if ((r = X509_REVOKED_new()) == NULL)
goto err;
j = make_revoked(r, pp[DB_rev_date]);
if (!j)
goto err;
if (j == 2)
crl_v2 = 1;
if (!BN_hex2bn(&serial, pp[DB_serial]))
goto err;
tmpser = BN_to_ASN1_INTEGER(serial, NULL);
BN_free(serial);
serial = NULL;
if (!tmpser)
goto err;
X509_REVOKED_set_serialNumber(r, tmpser);
ASN1_INTEGER_free(tmpser);
X509_CRL_add0_revoked(crl, r);
}
}
/*
* sort the data so it will be written in serial number order
*/
X509_CRL_sort(crl);
/* we now have a CRL */
if (verbose)
BIO_printf(bio_err, "signing CRL\n");
/* Add any extensions asked for */
if (crl_ext || crlnumberfile != NULL) {
X509V3_CTX crlctx;
X509V3_set_ctx(&crlctx, x509, NULL, NULL, crl, 0);
X509V3_set_nconf(&crlctx, conf);
if (crl_ext)
if (!X509V3_EXT_CRL_add_nconf(conf, &crlctx, crl_ext, crl))
goto err;
if (crlnumberfile != NULL) {
tmpser = BN_to_ASN1_INTEGER(crlnumber, NULL);
if (!tmpser)
goto err;
X509_CRL_add1_ext_i2d(crl, NID_crl_number, tmpser, 0, 0);
ASN1_INTEGER_free(tmpser);
crl_v2 = 1;
if (!BN_add_word(crlnumber, 1))
goto err;
}
}
if (crl_ext || crl_v2) {
if (!X509_CRL_set_version(crl, 1))
goto err; /* version 2 CRL */
}
/* we have a CRL number that need updating */
if (crlnumberfile != NULL)
if (!save_serial(crlnumberfile, "new", crlnumber, NULL))
goto err;
if (crlnumber) {
BN_free(crlnumber);
crlnumber = NULL;
}
if (!do_X509_CRL_sign(bio_err, crl, pkey, dgst, sigopts))
goto err;
PEM_write_bio_X509_CRL(Sout, crl);
if (crlnumberfile != NULL) /* Rename the crlnumber file */
if (!rotate_serial(crlnumberfile, "new", "old"))
goto err;
}
/*****************************************************************/
if (dorevoke) {
if (infile == NULL) {
BIO_printf(bio_err, "no input files\n");
goto err;
} else {
X509 *revcert;
revcert = load_cert(bio_err, infile, FORMAT_PEM, NULL, e, infile);
if (revcert == NULL)
goto err;
if (dorevoke == 2)
rev_type = -1;
j = do_revoke(revcert, db, rev_type, rev_arg);
if (j <= 0)
goto err;
X509_free(revcert);
if (!save_index(dbfile, "new", db))
goto err;
if (!rotate_index(dbfile, "new", "old"))
goto err;
BIO_printf(bio_err, "Data Base Updated\n");
}
}
/*****************************************************************/
ret = 0;
err:
if (tofree)
OPENSSL_free(tofree);
BIO_free_all(Cout);
BIO_free_all(Sout);
BIO_free_all(out);
BIO_free_all(in);
if (cert_sk)
sk_X509_pop_free(cert_sk, X509_free);
if (ret)
ERR_print_errors(bio_err);
app_RAND_write_file(randfile, bio_err);
if (free_key && key)
OPENSSL_free(key);
BN_free(serial);
BN_free(crlnumber);
free_index(db);
if (sigopts)
sk_OPENSSL_STRING_free(sigopts);
EVP_PKEY_free(pkey);
if (x509)
X509_free(x509);
X509_CRL_free(crl);
NCONF_free(conf);
NCONF_free(extconf);
OBJ_cleanup();
apps_shutdown();
OPENSSL_EXIT(ret);
}
static void lookup_fail(const char *name, const char *tag)
{
BIO_printf(bio_err, "variable lookup failed for %s::%s\n", name, tag);
}
static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate, char *enddate,
long days, int batch, char *ext_sect, CONF *lconf,
int verbose, unsigned long certopt, unsigned long nameopt,
int default_op, int ext_copy, int selfsign)
{
X509_REQ *req = NULL;
BIO *in = NULL;
EVP_PKEY *pktmp = NULL;
int ok = -1, i;
in = BIO_new(BIO_s_file());
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
goto err;
}
if ((req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL)) == NULL) {
BIO_printf(bio_err, "Error reading certificate request in %s\n",
infile);
goto err;
}
if (verbose)
X509_REQ_print(bio_err, req);
BIO_printf(bio_err, "Check that the request matches the signature\n");
if (selfsign && !X509_REQ_check_private_key(req, pkey)) {
BIO_printf(bio_err,
"Certificate request and CA private key do not match\n");
ok = 0;
goto err;
}
if ((pktmp = X509_REQ_get_pubkey(req)) == NULL) {
BIO_printf(bio_err, "error unpacking public key\n");
goto err;
}
i = X509_REQ_verify(req, pktmp);
EVP_PKEY_free(pktmp);
if (i < 0) {
ok = 0;
BIO_printf(bio_err, "Signature verification problems....\n");
ERR_print_errors(bio_err);
goto err;
}
if (i == 0) {
ok = 0;
BIO_printf(bio_err,
"Signature did not match the certificate request\n");
ERR_print_errors(bio_err);
goto err;
} else
BIO_printf(bio_err, "Signature ok\n");
ok = do_body(xret, pkey, x509, dgst, sigopts, policy, db, serial, subj,
chtype, multirdn, email_dn, startdate, enddate, days, batch,
verbose, req, ext_sect, lconf, certopt, nameopt, default_op,
ext_copy, selfsign);
err:
if (req != NULL)
X509_REQ_free(req);
if (in != NULL)
BIO_free(in);
return (ok);
}
static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate,
char *enddate, long days, int batch, char *ext_sect,
CONF *lconf, int verbose, unsigned long certopt,
unsigned long nameopt, int default_op, int ext_copy,
ENGINE *e)
{
X509 *req = NULL;
X509_REQ *rreq = NULL;
EVP_PKEY *pktmp = NULL;
int ok = -1, i;
if ((req =
load_cert(bio_err, infile, FORMAT_PEM, NULL, e, infile)) == NULL)
goto err;
if (verbose)
X509_print(bio_err, req);
BIO_printf(bio_err, "Check that the request matches the signature\n");
if ((pktmp = X509_get_pubkey(req)) == NULL) {
BIO_printf(bio_err, "error unpacking public key\n");
goto err;
}
i = X509_verify(req, pktmp);
EVP_PKEY_free(pktmp);
if (i < 0) {
ok = 0;
BIO_printf(bio_err, "Signature verification problems....\n");
goto err;
}
if (i == 0) {
ok = 0;
BIO_printf(bio_err, "Signature did not match the certificate\n");
goto err;
} else
BIO_printf(bio_err, "Signature ok\n");
if ((rreq = X509_to_X509_REQ(req, NULL, EVP_md5())) == NULL)
goto err;
ok = do_body(xret, pkey, x509, dgst, sigopts, policy, db, serial, subj,
chtype, multirdn, email_dn, startdate, enddate, days, batch,
verbose, rreq, ext_sect, lconf, certopt, nameopt, default_op,
ext_copy, 0);
err:
if (rreq != NULL)
X509_REQ_free(rreq);
if (req != NULL)
X509_free(req);
return (ok);
}
static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509,
const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,
char *subj, unsigned long chtype, int multirdn,
int email_dn, char *startdate, char *enddate, long days,
int batch, int verbose, X509_REQ *req, char *ext_sect,
CONF *lconf, unsigned long certopt, unsigned long nameopt,
int default_op, int ext_copy, int selfsign)
{
X509_NAME *name = NULL, *CAname = NULL, *subject = NULL, *dn_subject =
NULL;
ASN1_UTCTIME *tm, *tmptm;
ASN1_STRING *str, *str2;
ASN1_OBJECT *obj;
X509 *ret = NULL;
X509_CINF *ci;
X509_NAME_ENTRY *ne;
X509_NAME_ENTRY *tne, *push;
EVP_PKEY *pktmp;
int ok = -1, i, j, last, nid;
const char *p;
CONF_VALUE *cv;
OPENSSL_STRING row[DB_NUMBER];
OPENSSL_STRING *irow = NULL;
OPENSSL_STRING *rrow = NULL;
char buf[25];
tmptm = ASN1_UTCTIME_new();
if (tmptm == NULL) {
BIO_printf(bio_err, "malloc error\n");
return (0);
}
for (i = 0; i < DB_NUMBER; i++)
row[i] = NULL;
if (subj) {
X509_NAME *n = parse_name(subj, chtype, multirdn);
if (!n) {
ERR_print_errors(bio_err);
goto err;
}
X509_REQ_set_subject_name(req, n);
req->req_info->enc.modified = 1;
X509_NAME_free(n);
}
if (default_op)
BIO_printf(bio_err,
"The Subject's Distinguished Name is as follows\n");
name = X509_REQ_get_subject_name(req);
for (i = 0; i < X509_NAME_entry_count(name); i++) {
ne = X509_NAME_get_entry(name, i);
str = X509_NAME_ENTRY_get_data(ne);
obj = X509_NAME_ENTRY_get_object(ne);
if (msie_hack) {
/* assume all type should be strings */
nid = OBJ_obj2nid(ne->object);
if (str->type == V_ASN1_UNIVERSALSTRING)
ASN1_UNIVERSALSTRING_to_string(str);
if ((str->type == V_ASN1_IA5STRING) &&
(nid != NID_pkcs9_emailAddress))
str->type = V_ASN1_T61STRING;
if ((nid == NID_pkcs9_emailAddress) &&
(str->type == V_ASN1_PRINTABLESTRING))
str->type = V_ASN1_IA5STRING;
}
/* If no EMAIL is wanted in the subject */
if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) && (!email_dn))
continue;
/* check some things */
if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
(str->type != V_ASN1_IA5STRING)) {
BIO_printf(bio_err,
"\nemailAddress type needs to be of type IA5STRING\n");
goto err;
}
if ((str->type != V_ASN1_BMPSTRING)
&& (str->type != V_ASN1_UTF8STRING)) {
j = ASN1_PRINTABLE_type(str->data, str->length);
if (((j == V_ASN1_T61STRING) &&
(str->type != V_ASN1_T61STRING)) ||
((j == V_ASN1_IA5STRING) &&
(str->type == V_ASN1_PRINTABLESTRING))) {
BIO_printf(bio_err,
"\nThe string contains characters that are illegal for the ASN.1 type\n");
goto err;
}
}
if (default_op)
old_entry_print(bio_err, obj, str);
}
/* Ok, now we check the 'policy' stuff. */
if ((subject = X509_NAME_new()) == NULL) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
/* take a copy of the issuer name before we mess with it. */
if (selfsign)
CAname = X509_NAME_dup(name);
else
CAname = X509_NAME_dup(x509->cert_info->subject);
if (CAname == NULL)
goto err;
str = str2 = NULL;
for (i = 0; i < sk_CONF_VALUE_num(policy); i++) {
cv = sk_CONF_VALUE_value(policy, i); /* get the object id */
if ((j = OBJ_txt2nid(cv->name)) == NID_undef) {
BIO_printf(bio_err,
"%s:unknown object type in 'policy' configuration\n",
cv->name);
goto err;
}
obj = OBJ_nid2obj(j);
last = -1;
for (;;) {
/* lookup the object in the supplied name list */
j = X509_NAME_get_index_by_OBJ(name, obj, last);
if (j < 0) {
if (last != -1)
break;
tne = NULL;
} else {
tne = X509_NAME_get_entry(name, j);
}
last = j;
/* depending on the 'policy', decide what to do. */
push = NULL;
if (strcmp(cv->value, "optional") == 0) {
if (tne != NULL)
push = tne;
} else if (strcmp(cv->value, "supplied") == 0) {
if (tne == NULL) {
BIO_printf(bio_err,
"The %s field needed to be supplied and was missing\n",
cv->name);
goto err;
} else
push = tne;
} else if (strcmp(cv->value, "match") == 0) {
int last2;
if (tne == NULL) {
BIO_printf(bio_err,
"The mandatory %s field was missing\n",
cv->name);
goto err;
}
last2 = -1;
again2:
j = X509_NAME_get_index_by_OBJ(CAname, obj, last2);
if ((j < 0) && (last2 == -1)) {
BIO_printf(bio_err,
"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",
cv->name);
goto err;
}
if (j >= 0) {
push = X509_NAME_get_entry(CAname, j);
str = X509_NAME_ENTRY_get_data(tne);
str2 = X509_NAME_ENTRY_get_data(push);
last2 = j;
if (ASN1_STRING_cmp(str, str2) != 0)
goto again2;
}
if (j < 0) {
BIO_printf(bio_err,
"The %s field needed to be the same in the\nCA certificate (%s) and the request (%s)\n",
cv->name,
((str2 == NULL) ? "NULL" : (char *)str2->data),
((str == NULL) ? "NULL" : (char *)str->data));
goto err;
}
} else {
BIO_printf(bio_err,
"%s:invalid type in 'policy' configuration\n",
cv->value);
goto err;
}
if (push != NULL) {
if (!X509_NAME_add_entry(subject, push, -1, 0)) {
if (push != NULL)
X509_NAME_ENTRY_free(push);
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
}
if (j < 0)
break;
}
}
if (preserve) {
X509_NAME_free(subject);
/* subject=X509_NAME_dup(X509_REQ_get_subject_name(req)); */
subject = X509_NAME_dup(name);
if (subject == NULL)
goto err;
}
if (verbose)
BIO_printf(bio_err,
"The subject name appears to be ok, checking data base for clashes\n");
/* Build the correct Subject if no e-mail is wanted in the subject */
/*
* and add it later on because of the method extensions are added
* (altName)
*/
if (email_dn)
dn_subject = subject;
else {
X509_NAME_ENTRY *tmpne;
/*
* Its best to dup the subject DN and then delete any email addresses
* because this retains its structure.
*/
if (!(dn_subject = X509_NAME_dup(subject))) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
while ((i = X509_NAME_get_index_by_NID(dn_subject,
NID_pkcs9_emailAddress,
-1)) >= 0) {
tmpne = X509_NAME_get_entry(dn_subject, i);
X509_NAME_delete_entry(dn_subject, i);
X509_NAME_ENTRY_free(tmpne);
}
}
if (BN_is_zero(serial))
row[DB_serial] = BUF_strdup("00");
else
row[DB_serial] = BN_bn2hex(serial);
if (row[DB_serial] == NULL) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
if (db->attributes.unique_subject) {
OPENSSL_STRING *crow = row;
rrow = TXT_DB_get_by_index(db->db, DB_name, crow);
if (rrow != NULL) {
BIO_printf(bio_err,
"ERROR:There is already a certificate for %s\n",
row[DB_name]);
}
}
if (rrow == NULL) {
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
if (rrow != NULL) {
BIO_printf(bio_err,
"ERROR:Serial number %s has already been issued,\n",
row[DB_serial]);
BIO_printf(bio_err,
" check the database/serial_file for corruption\n");
}
}
if (rrow != NULL) {
BIO_printf(bio_err, "The matching entry has the following details\n");
if (rrow[DB_type][0] == 'E')
p = "Expired";
else if (rrow[DB_type][0] == 'R')
p = "Revoked";
else if (rrow[DB_type][0] == 'V')
p = "Valid";
else
p = "\ninvalid type, Data base error\n";
BIO_printf(bio_err, "Type :%s\n", p);;
if (rrow[DB_type][0] == 'R') {
p = rrow[DB_exp_date];
if (p == NULL)
p = "undef";
BIO_printf(bio_err, "Was revoked on:%s\n", p);
}
p = rrow[DB_exp_date];
if (p == NULL)
p = "undef";
BIO_printf(bio_err, "Expires on :%s\n", p);
p = rrow[DB_serial];
if (p == NULL)
p = "undef";
BIO_printf(bio_err, "Serial Number :%s\n", p);
p = rrow[DB_file];
if (p == NULL)
p = "undef";
BIO_printf(bio_err, "File name :%s\n", p);
p = rrow[DB_name];
if (p == NULL)
p = "undef";
BIO_printf(bio_err, "Subject Name :%s\n", p);
ok = -1; /* This is now a 'bad' error. */
goto err;
}
/* We are now totally happy, lets make and sign the certificate */
if (verbose)
BIO_printf(bio_err,
"Everything appears to be ok, creating and signing the certificate\n");
if ((ret = X509_new()) == NULL)
goto err;
ci = ret->cert_info;
#ifdef X509_V3
/* Make it an X509 v3 certificate. */
if (!X509_set_version(ret, 2))
goto err;
#endif
if (BN_to_ASN1_INTEGER(serial, ci->serialNumber) == NULL)
goto err;
if (selfsign) {
if (!X509_set_issuer_name(ret, subject))
goto err;
} else {
if (!X509_set_issuer_name(ret, X509_get_subject_name(x509)))
goto err;
}
if (strcmp(startdate, "today") == 0)
X509_gmtime_adj(X509_get_notBefore(ret), 0);
else
ASN1_TIME_set_string(X509_get_notBefore(ret), startdate);
if (enddate == NULL)
X509_time_adj_ex(X509_get_notAfter(ret), days, 0, NULL);
else {
int tdays;
ASN1_TIME_set_string(X509_get_notAfter(ret), enddate);
ASN1_TIME_diff(&tdays, NULL, NULL, X509_get_notAfter(ret));
days = tdays;
}
if (!X509_set_subject_name(ret, subject))
goto err;
pktmp = X509_REQ_get_pubkey(req);
i = X509_set_pubkey(ret, pktmp);
EVP_PKEY_free(pktmp);
if (!i)
goto err;
/* Lets add the extensions, if there are any */
if (ext_sect) {
X509V3_CTX ctx;
if (ci->version == NULL)
if ((ci->version = ASN1_INTEGER_new()) == NULL)
goto err;
ASN1_INTEGER_set(ci->version, 2); /* version 3 certificate */
/*
* Free the current entries if any, there should not be any I believe
*/
if (ci->extensions != NULL)
sk_X509_EXTENSION_pop_free(ci->extensions, X509_EXTENSION_free);
ci->extensions = NULL;
/* Initialize the context structure */
if (selfsign)
X509V3_set_ctx(&ctx, ret, ret, req, NULL, 0);
else
X509V3_set_ctx(&ctx, x509, ret, req, NULL, 0);
if (extconf) {
if (verbose)
BIO_printf(bio_err, "Extra configuration file found\n");
/* Use the extconf configuration db LHASH */
X509V3_set_nconf(&ctx, extconf);
/* Test the structure (needed?) */
/* X509V3_set_ctx_test(&ctx); */
/* Adds exts contained in the configuration file */
if (!X509V3_EXT_add_nconf(extconf, &ctx, ext_sect, ret)) {
BIO_printf(bio_err,
"ERROR: adding extensions in section %s\n",
ext_sect);
ERR_print_errors(bio_err);
goto err;
}
if (verbose)
BIO_printf(bio_err,
"Successfully added extensions from file.\n");
} else if (ext_sect) {
/* We found extensions to be set from config file */
X509V3_set_nconf(&ctx, lconf);
if (!X509V3_EXT_add_nconf(lconf, &ctx, ext_sect, ret)) {
BIO_printf(bio_err,
"ERROR: adding extensions in section %s\n",
ext_sect);
ERR_print_errors(bio_err);
goto err;
}
if (verbose)
BIO_printf(bio_err,
"Successfully added extensions from config\n");
}
}
/* Copy extensions from request (if any) */
if (!copy_extensions(ret, req, ext_copy)) {
BIO_printf(bio_err, "ERROR: adding extensions from request\n");
ERR_print_errors(bio_err);
goto err;
}
/* Set the right value for the noemailDN option */
if (email_dn == 0) {
if (!X509_set_subject_name(ret, dn_subject))
goto err;
}
if (!default_op) {
BIO_printf(bio_err, "Certificate Details:\n");
/*
* Never print signature details because signature not present
*/
certopt |= X509_FLAG_NO_SIGDUMP | X509_FLAG_NO_SIGNAME;
X509_print_ex(bio_err, ret, nameopt, certopt);
}
BIO_printf(bio_err, "Certificate is to be certified until ");
ASN1_TIME_print(bio_err, X509_get_notAfter(ret));
if (days)
BIO_printf(bio_err, " (%ld days)", days);
BIO_printf(bio_err, "\n");
if (!batch) {
BIO_printf(bio_err, "Sign the certificate? [y/n]:");
(void)BIO_flush(bio_err);
buf[0] = '\0';
if (!fgets(buf, sizeof(buf) - 1, stdin)) {
BIO_printf(bio_err,
"CERTIFICATE WILL NOT BE CERTIFIED: I/O error\n");
ok = 0;
goto err;
}
if (!((buf[0] == 'y') || (buf[0] == 'Y'))) {
BIO_printf(bio_err, "CERTIFICATE WILL NOT BE CERTIFIED\n");
ok = 0;
goto err;
}
}
pktmp = X509_get_pubkey(ret);
if (EVP_PKEY_missing_parameters(pktmp) &&
!EVP_PKEY_missing_parameters(pkey))
EVP_PKEY_copy_parameters(pktmp, pkey);
EVP_PKEY_free(pktmp);
if (!do_X509_sign(bio_err, ret, pkey, dgst, sigopts))
goto err;
/* We now just add it to the database */
row[DB_type] = (char *)OPENSSL_malloc(2);
tm = X509_get_notAfter(ret);
row[DB_exp_date] = (char *)OPENSSL_malloc(tm->length + 1);
memcpy(row[DB_exp_date], tm->data, tm->length);
row[DB_exp_date][tm->length] = '\0';
row[DB_rev_date] = NULL;
/* row[DB_serial] done already */
row[DB_file] = (char *)OPENSSL_malloc(8);
row[DB_name] = X509_NAME_oneline(X509_get_subject_name(ret), NULL, 0);
if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
(row[DB_file] == NULL) || (row[DB_name] == NULL)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
BUF_strlcpy(row[DB_file], "unknown", 8);
row[DB_type][0] = 'V';
row[DB_type][1] = '\0';
if ((irow =
(char **)OPENSSL_malloc(sizeof(char *) * (DB_NUMBER + 1))) == NULL) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
for (i = 0; i < DB_NUMBER; i++) {
irow[i] = row[i];
row[i] = NULL;
}
irow[DB_NUMBER] = NULL;
if (!TXT_DB_insert(db->db, irow)) {
BIO_printf(bio_err, "failed to update database\n");
BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
goto err;
}
ok = 1;
err:
for (i = 0; i < DB_NUMBER; i++)
if (row[i] != NULL)
OPENSSL_free(row[i]);
if (CAname != NULL)
X509_NAME_free(CAname);
if (subject != NULL)
X509_NAME_free(subject);
if ((dn_subject != NULL) && !email_dn)
X509_NAME_free(dn_subject);
if (tmptm != NULL)
ASN1_UTCTIME_free(tmptm);
if (ok <= 0) {
if (ret != NULL)
X509_free(ret);
ret = NULL;
} else
*xret = ret;
return (ok);
}
static void write_new_certificate(BIO *bp, X509 *x, int output_der,
int notext)
{
if (output_der) {
(void)i2d_X509_bio(bp, x);
return;
}
#if 0
/* ??? Not needed since X509_print prints all this stuff anyway */
f = X509_NAME_oneline(X509_get_issuer_name(x), buf, 256);
BIO_printf(bp, "issuer :%s\n", f);
f = X509_NAME_oneline(X509_get_subject_name(x), buf, 256);
BIO_printf(bp, "subject:%s\n", f);
BIO_puts(bp, "serial :");
i2a_ASN1_INTEGER(bp, x->cert_info->serialNumber);
BIO_puts(bp, "\n\n");
#endif
if (!notext)
X509_print(bp, x);
PEM_write_bio_X509(bp, x);
}
static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey,
X509 *x509, const EVP_MD *dgst,
STACK_OF(OPENSSL_STRING) *sigopts,
STACK_OF(CONF_VALUE) *policy, CA_DB *db,
BIGNUM *serial, char *subj, unsigned long chtype,
int multirdn, int email_dn, char *startdate,
char *enddate, long days, char *ext_sect,
CONF *lconf, int verbose, unsigned long certopt,
unsigned long nameopt, int default_op, int ext_copy)
{
STACK_OF(CONF_VALUE) *sk = NULL;
LHASH_OF(CONF_VALUE) *parms = NULL;
X509_REQ *req = NULL;
CONF_VALUE *cv = NULL;
NETSCAPE_SPKI *spki = NULL;
X509_REQ_INFO *ri;
char *type, *buf;
EVP_PKEY *pktmp = NULL;
X509_NAME *n = NULL;
X509_NAME_ENTRY *ne = NULL;
int ok = -1, i, j;
long errline;
int nid;
/*
* Load input file into a hash table. (This is just an easy
* way to read and parse the file, then put it into a convenient
* STACK format).
*/
parms = CONF_load(NULL, infile, &errline);
if (parms == NULL) {
BIO_printf(bio_err, "error on line %ld of %s\n", errline, infile);
ERR_print_errors(bio_err);
goto err;
}
sk = CONF_get_section(parms, "default");
if (sk_CONF_VALUE_num(sk) == 0) {
BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
CONF_free(parms);
goto err;
}
/*
* Now create a dummy X509 request structure. We don't actually
* have an X509 request, but we have many of the components
* (a public key, various DN components). The idea is that we
* put these components into the right X509 request structure
* and we can use the same code as if you had a real X509 request.
*/
req = X509_REQ_new();
if (req == NULL) {
ERR_print_errors(bio_err);
goto err;
}
/*
* Build up the subject name set.
*/
ri = req->req_info;
n = ri->subject;
for (i = 0;; i++) {
if (sk_CONF_VALUE_num(sk) <= i)
break;
cv = sk_CONF_VALUE_value(sk, i);
type = cv->name;
/*
* Skip past any leading X. X: X, etc to allow for multiple instances
*/
for (buf = cv->name; *buf; buf++)
if ((*buf == ':') || (*buf == ',') || (*buf == '.')) {
buf++;
if (*buf)
type = buf;
break;
}
buf = cv->value;
if ((nid = OBJ_txt2nid(type)) == NID_undef) {
if (strcmp(type, "SPKAC") == 0) {
spki = NETSCAPE_SPKI_b64_decode(cv->value, -1);
if (spki == NULL) {
BIO_printf(bio_err,
"unable to load Netscape SPKAC structure\n");
ERR_print_errors(bio_err);
goto err;
}
}
continue;
}
if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
(unsigned char *)buf, -1, -1, 0))
goto err;
}
if (spki == NULL) {
BIO_printf(bio_err, "Netscape SPKAC structure not found in %s\n",
infile);
goto err;
}
/*
* Now extract the key from the SPKI structure.
*/
BIO_printf(bio_err,
"Check that the SPKAC request matches the signature\n");
if ((pktmp = NETSCAPE_SPKI_get_pubkey(spki)) == NULL) {
BIO_printf(bio_err, "error unpacking SPKAC public key\n");
goto err;
}
j = NETSCAPE_SPKI_verify(spki, pktmp);
if (j <= 0) {
BIO_printf(bio_err,
"signature verification failed on SPKAC public key\n");
goto err;
}
BIO_printf(bio_err, "Signature ok\n");
X509_REQ_set_pubkey(req, pktmp);
EVP_PKEY_free(pktmp);
ok = do_body(xret, pkey, x509, dgst, sigopts, policy, db, serial, subj,
chtype, multirdn, email_dn, startdate, enddate, days, 1,
verbose, req, ext_sect, lconf, certopt, nameopt, default_op,
ext_copy, 0);
err:
if (req != NULL)
X509_REQ_free(req);
if (parms != NULL)
CONF_free(parms);
if (spki != NULL)
NETSCAPE_SPKI_free(spki);
if (ne != NULL)
X509_NAME_ENTRY_free(ne);
return (ok);
}
static int check_time_format(const char *str)
{
return ASN1_TIME_set_string(NULL, str);
}
static int do_revoke(X509 *x509, CA_DB *db, int type, char *value)
{
ASN1_UTCTIME *tm = NULL;
char *row[DB_NUMBER], **rrow, **irow;
char *rev_str = NULL;
BIGNUM *bn = NULL;
int ok = -1, i;
for (i = 0; i < DB_NUMBER; i++)
row[i] = NULL;
row[DB_name] = X509_NAME_oneline(X509_get_subject_name(x509), NULL, 0);
bn = ASN1_INTEGER_to_BN(X509_get_serialNumber(x509), NULL);
if (!bn)
goto err;
if (BN_is_zero(bn))
row[DB_serial] = BUF_strdup("00");
else
row[DB_serial] = BN_bn2hex(bn);
BN_free(bn);
if ((row[DB_name] == NULL) || (row[DB_serial] == NULL)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
/*
* We have to lookup by serial number because name lookup skips revoked
* certs
*/
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
if (rrow == NULL) {
BIO_printf(bio_err,
"Adding Entry with serial number %s to DB for %s\n",
row[DB_serial], row[DB_name]);
/* We now just add it to the database */
row[DB_type] = (char *)OPENSSL_malloc(2);
tm = X509_get_notAfter(x509);
row[DB_exp_date] = (char *)OPENSSL_malloc(tm->length + 1);
memcpy(row[DB_exp_date], tm->data, tm->length);
row[DB_exp_date][tm->length] = '\0';
row[DB_rev_date] = NULL;
/* row[DB_serial] done already */
row[DB_file] = (char *)OPENSSL_malloc(8);
/* row[DB_name] done already */
if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
(row[DB_file] == NULL)) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
BUF_strlcpy(row[DB_file], "unknown", 8);
row[DB_type][0] = 'V';
row[DB_type][1] = '\0';
if ((irow =
(char **)OPENSSL_malloc(sizeof(char *) * (DB_NUMBER + 1))) ==
NULL) {
BIO_printf(bio_err, "Memory allocation failure\n");
goto err;
}
for (i = 0; i < DB_NUMBER; i++) {
irow[i] = row[i];
row[i] = NULL;
}
irow[DB_NUMBER] = NULL;
if (!TXT_DB_insert(db->db, irow)) {
BIO_printf(bio_err, "failed to update database\n");
BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
goto err;
}
/* Revoke Certificate */
if (type == -1)
ok = 1;
else
ok = do_revoke(x509, db, type, value);
goto err;
} else if (index_name_cmp_noconst(row, rrow)) {
BIO_printf(bio_err, "ERROR:name does not match %s\n", row[DB_name]);
goto err;
} else if (type == -1) {
BIO_printf(bio_err, "ERROR:Already present, serial number %s\n",
row[DB_serial]);
goto err;
} else if (rrow[DB_type][0] == 'R') {
BIO_printf(bio_err, "ERROR:Already revoked, serial number %s\n",
row[DB_serial]);
goto err;
} else {
BIO_printf(bio_err, "Revoking Certificate %s.\n", rrow[DB_serial]);
rev_str = make_revocation_str(type, value);
if (!rev_str) {
BIO_printf(bio_err, "Error in revocation arguments\n");
goto err;
}
rrow[DB_type][0] = 'R';
rrow[DB_type][1] = '\0';
rrow[DB_rev_date] = rev_str;
}
ok = 1;
err:
for (i = 0; i < DB_NUMBER; i++) {
if (row[i] != NULL)
OPENSSL_free(row[i]);
}
return (ok);
}
static int get_certificate_status(const char *serial, CA_DB *db)
{
char *row[DB_NUMBER], **rrow;
int ok = -1, i;
/* Free Resources */
for (i = 0; i < DB_NUMBER; i++)
row[i] = NULL;
/* Malloc needed char spaces */
row[DB_serial] = OPENSSL_malloc(strlen(serial) + 2);
if (row[DB_serial] == NULL) {
BIO_printf(bio_err, "Malloc failure\n");
goto err;
}
if (strlen(serial) % 2) {
/*
* Set the first char to 0
*/ ;
row[DB_serial][0] = '0';
/* Copy String from serial to row[DB_serial] */
memcpy(row[DB_serial] + 1, serial, strlen(serial));
row[DB_serial][strlen(serial) + 1] = '\0';
} else {
/* Copy String from serial to row[DB_serial] */
memcpy(row[DB_serial], serial, strlen(serial));
row[DB_serial][strlen(serial)] = '\0';
}
/* Make it Upper Case */
for (i = 0; row[DB_serial][i] != '\0'; i++)
row[DB_serial][i] = toupper((unsigned char)row[DB_serial][i]);
ok = 1;
/* Search for the certificate */
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
if (rrow == NULL) {
BIO_printf(bio_err, "Serial %s not present in db.\n", row[DB_serial]);
ok = -1;
goto err;
} else if (rrow[DB_type][0] == 'V') {
BIO_printf(bio_err, "%s=Valid (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto err;
} else if (rrow[DB_type][0] == 'R') {
BIO_printf(bio_err, "%s=Revoked (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto err;
} else if (rrow[DB_type][0] == 'E') {
BIO_printf(bio_err, "%s=Expired (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto err;
} else if (rrow[DB_type][0] == 'S') {
BIO_printf(bio_err, "%s=Suspended (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto err;
} else {
BIO_printf(bio_err, "%s=Unknown (%c).\n",
row[DB_serial], rrow[DB_type][0]);
ok = -1;
}
err:
for (i = 0; i < DB_NUMBER; i++) {
if (row[i] != NULL)
OPENSSL_free(row[i]);
}
return (ok);
}
static int do_updatedb(CA_DB *db)
{
ASN1_UTCTIME *a_tm = NULL;
int i, cnt = 0;
int db_y2k, a_y2k; /* flags = 1 if y >= 2000 */
char **rrow, *a_tm_s;
a_tm = ASN1_UTCTIME_new();
/* get actual time and make a string */
a_tm = X509_gmtime_adj(a_tm, 0);
a_tm_s = (char *)OPENSSL_malloc(a_tm->length + 1);
if (a_tm_s == NULL) {
cnt = -1;
goto err;
}
memcpy(a_tm_s, a_tm->data, a_tm->length);
a_tm_s[a_tm->length] = '\0';
if (strncmp(a_tm_s, "49", 2) <= 0)
a_y2k = 1;
else
a_y2k = 0;
for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
rrow = sk_OPENSSL_PSTRING_value(db->db->data, i);
if (rrow[DB_type][0] == 'V') {
/* ignore entries that are not valid */
if (strncmp(rrow[DB_exp_date], "49", 2) <= 0)
db_y2k = 1;
else
db_y2k = 0;
if (db_y2k == a_y2k) {
/* all on the same y2k side */
if (strcmp(rrow[DB_exp_date], a_tm_s) <= 0) {
rrow[DB_type][0] = 'E';
rrow[DB_type][1] = '\0';
cnt++;
BIO_printf(bio_err, "%s=Expired\n", rrow[DB_serial]);
}
} else if (db_y2k < a_y2k) {
rrow[DB_type][0] = 'E';
rrow[DB_type][1] = '\0';
cnt++;
BIO_printf(bio_err, "%s=Expired\n", rrow[DB_serial]);
}
}
}
err:
ASN1_UTCTIME_free(a_tm);
OPENSSL_free(a_tm_s);
return (cnt);
}
static const char *crl_reasons[] = {
/* CRL reason strings */
"unspecified",
"keyCompromise",
"CACompromise",
"affiliationChanged",
"superseded",
"cessationOfOperation",
"certificateHold",
"removeFromCRL",
/* Additional pseudo reasons */
"holdInstruction",
"keyTime",
"CAkeyTime"
};
#define NUM_REASONS (sizeof(crl_reasons) / sizeof(char *))
/*
* Given revocation information convert to a DB string. The format of the
* string is: revtime[,reason,extra]. Where 'revtime' is the revocation time
* (the current time). 'reason' is the optional CRL reason and 'extra' is any
* additional argument
*/
char *make_revocation_str(int rev_type, char *rev_arg)
{
char *other = NULL, *str;
const char *reason = NULL;
ASN1_OBJECT *otmp;
ASN1_UTCTIME *revtm = NULL;
int i;
switch (rev_type) {
case REV_NONE:
break;
case REV_CRL_REASON:
for (i = 0; i < 8; i++) {
if (!strcasecmp(rev_arg, crl_reasons[i])) {
reason = crl_reasons[i];
break;
}
}
if (reason == NULL) {
BIO_printf(bio_err, "Unknown CRL reason %s\n", rev_arg);
return NULL;
}
break;
case REV_HOLD:
/* Argument is an OID */
otmp = OBJ_txt2obj(rev_arg, 0);
ASN1_OBJECT_free(otmp);
if (otmp == NULL) {
BIO_printf(bio_err, "Invalid object identifier %s\n", rev_arg);
return NULL;
}
reason = "holdInstruction";
other = rev_arg;
break;
case REV_KEY_COMPROMISE:
case REV_CA_COMPROMISE:
/* Argument is the key compromise time */
if (!ASN1_GENERALIZEDTIME_set_string(NULL, rev_arg)) {
BIO_printf(bio_err,
"Invalid time format %s. Need YYYYMMDDHHMMSSZ\n",
rev_arg);
return NULL;
}
other = rev_arg;
if (rev_type == REV_KEY_COMPROMISE)
reason = "keyTime";
else
reason = "CAkeyTime";
break;
}
revtm = X509_gmtime_adj(NULL, 0);
if (!revtm)
return NULL;
i = revtm->length + 1;
if (reason)
i += strlen(reason) + 1;
if (other)
i += strlen(other) + 1;
str = OPENSSL_malloc(i);
if (!str)
return NULL;
BUF_strlcpy(str, (char *)revtm->data, i);
if (reason) {
BUF_strlcat(str, ",", i);
BUF_strlcat(str, reason, i);
}
if (other) {
BUF_strlcat(str, ",", i);
BUF_strlcat(str, other, i);
}
ASN1_UTCTIME_free(revtm);
return str;
}
/*-
* Convert revocation field to X509_REVOKED entry
* return code:
* 0 error
* 1 OK
* 2 OK and some extensions added (i.e. V2 CRL)
*/
int make_revoked(X509_REVOKED *rev, const char *str)
{
char *tmp = NULL;
int reason_code = -1;
int i, ret = 0;
ASN1_OBJECT *hold = NULL;
ASN1_GENERALIZEDTIME *comp_time = NULL;
ASN1_ENUMERATED *rtmp = NULL;
ASN1_TIME *revDate = NULL;
i = unpack_revinfo(&revDate, &reason_code, &hold, &comp_time, str);
if (i == 0)
goto err;
if (rev && !X509_REVOKED_set_revocationDate(rev, revDate))
goto err;
if (rev && (reason_code != OCSP_REVOKED_STATUS_NOSTATUS)) {
rtmp = ASN1_ENUMERATED_new();
if (!rtmp || !ASN1_ENUMERATED_set(rtmp, reason_code))
goto err;
if (!X509_REVOKED_add1_ext_i2d(rev, NID_crl_reason, rtmp, 0, 0))
goto err;
}
if (rev && comp_time) {
if (!X509_REVOKED_add1_ext_i2d
(rev, NID_invalidity_date, comp_time, 0, 0))
goto err;
}
if (rev && hold) {
if (!X509_REVOKED_add1_ext_i2d
(rev, NID_hold_instruction_code, hold, 0, 0))
goto err;
}
if (reason_code != OCSP_REVOKED_STATUS_NOSTATUS)
ret = 2;
else
ret = 1;
err:
if (tmp)
OPENSSL_free(tmp);
ASN1_OBJECT_free(hold);
ASN1_GENERALIZEDTIME_free(comp_time);
ASN1_ENUMERATED_free(rtmp);
ASN1_TIME_free(revDate);
return ret;
}
int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str)
{
char buf[25], *pbuf, *p;
int j;
j = i2a_ASN1_OBJECT(bp, obj);
pbuf = buf;
for (j = 22 - j; j > 0; j--)
*(pbuf++) = ' ';
*(pbuf++) = ':';
*(pbuf++) = '\0';
BIO_puts(bp, buf);
if (str->type == V_ASN1_PRINTABLESTRING)
BIO_printf(bp, "PRINTABLE:'");
else if (str->type == V_ASN1_T61STRING)
BIO_printf(bp, "T61STRING:'");
else if (str->type == V_ASN1_IA5STRING)
BIO_printf(bp, "IA5STRING:'");
else if (str->type == V_ASN1_UNIVERSALSTRING)
BIO_printf(bp, "UNIVERSALSTRING:'");
else
BIO_printf(bp, "ASN.1 %2d:'", str->type);
p = (char *)str->data;
for (j = str->length; j > 0; j--) {
if ((*p >= ' ') && (*p <= '~'))
BIO_printf(bp, "%c", *p);
else if (*p & 0x80)
BIO_printf(bp, "\\0x%02X", *p);
else if ((unsigned char)*p == 0xf7)
BIO_printf(bp, "^?");
else
BIO_printf(bp, "^%c", *p + '@');
p++;
}
BIO_printf(bp, "'\n");
return 1;
}
int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,
ASN1_GENERALIZEDTIME **pinvtm, const char *str)
{
char *tmp = NULL;
char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
int reason_code = -1;
int ret = 0;
unsigned int i;
ASN1_OBJECT *hold = NULL;
ASN1_GENERALIZEDTIME *comp_time = NULL;
tmp = BUF_strdup(str);
if(!tmp) {
BIO_printf(bio_err, "memory allocation failure\n");
goto err;
}
p = strchr(tmp, ',');
rtime_str = tmp;
if (p) {
*p = '\0';
p++;
reason_str = p;
p = strchr(p, ',');
if (p) {
*p = '\0';
arg_str = p + 1;
}
}
if (prevtm) {
*prevtm = ASN1_UTCTIME_new();
if(!*prevtm) {
BIO_printf(bio_err, "memory allocation failure\n");
goto err;
}
if (!ASN1_UTCTIME_set_string(*prevtm, rtime_str)) {
BIO_printf(bio_err, "invalid revocation date %s\n", rtime_str);
goto err;
}
}
if (reason_str) {
for (i = 0; i < NUM_REASONS; i++) {
if (!strcasecmp(reason_str, crl_reasons[i])) {
reason_code = i;
break;
}
}
if (reason_code == OCSP_REVOKED_STATUS_NOSTATUS) {
BIO_printf(bio_err, "invalid reason code %s\n", reason_str);
goto err;
}
if (reason_code == 7)
reason_code = OCSP_REVOKED_STATUS_REMOVEFROMCRL;
else if (reason_code == 8) { /* Hold instruction */
if (!arg_str) {
BIO_printf(bio_err, "missing hold instruction\n");
goto err;
}
reason_code = OCSP_REVOKED_STATUS_CERTIFICATEHOLD;
hold = OBJ_txt2obj(arg_str, 0);
if (!hold) {
BIO_printf(bio_err, "invalid object identifier %s\n",
arg_str);
goto err;
}
if (phold)
*phold = hold;
} else if ((reason_code == 9) || (reason_code == 10)) {
if (!arg_str) {
BIO_printf(bio_err, "missing compromised time\n");
goto err;
}
comp_time = ASN1_GENERALIZEDTIME_new();
if(!comp_time) {
BIO_printf(bio_err, "memory allocation failure\n");
goto err;
}
if (!ASN1_GENERALIZEDTIME_set_string(comp_time, arg_str)) {
BIO_printf(bio_err, "invalid compromised time %s\n", arg_str);
goto err;
}
if (reason_code == 9)
reason_code = OCSP_REVOKED_STATUS_KEYCOMPROMISE;
else
reason_code = OCSP_REVOKED_STATUS_CACOMPROMISE;
}
}
if (preason)
*preason = reason_code;
if (pinvtm)
*pinvtm = comp_time;
else
ASN1_GENERALIZEDTIME_free(comp_time);
ret = 1;
err:
if (tmp)
OPENSSL_free(tmp);
if (!phold)
ASN1_OBJECT_free(hold);
if (!pinvtm)
ASN1_GENERALIZEDTIME_free(comp_time);
return ret;
}
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