signature=1e5657848f9bb9bd818e064c10667328,openssl/x509.c at 0f9fdefeb05768b86f4364a8e976c87ee197638...

/*

* Copyright 1995-2020 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

#include

#include

#include "apps.h"

#include "progs.h"

#include

#include

#include

#include

#include

#include

#include

#include

#include

#ifndef OPENSSL_NO_RSA

# include

#endif

#ifndef OPENSSL_NO_DSA

# include

#endif

DEFINE_STACK_OF(ASN1_OBJECT)

DEFINE_STACK_OF(X509_EXTENSION)

DEFINE_STACK_OF_STRING()

#undef POSTFIX

#define POSTFIX ".srl"

#define DEF_DAYS 30

static int callb(int ok, X509_STORE_CTX *ctx);

static int sign(X509 *x, EVP_PKEY *pkey, EVP_PKEY *fkey,

STACK_OF(OPENSSL_STRING) *sigopts,

int days, int clrext,

const EVP_MD *digest, CONF *conf, const char *section,

int preserve_dates);

static int x509_certify(X509_STORE *ctx, const char *CAfile, const EVP_MD *digest,

X509 *x, X509 *xca, EVP_PKEY *pkey,

STACK_OF(OPENSSL_STRING) *sigopts, const char *serialfile,

int create, int days, int clrext, CONF *conf,

const char *section, ASN1_INTEGER *sno, int reqfile,

int preserve_dates);

static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);

static int print_x509v3_exts(BIO *bio, X509 *x, const char *exts);

typedef enum OPTION_choice {

OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,

OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,

OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,

OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_SIGNKEY, OPT_CA, OPT_CAKEY,

OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_SUBJ,

OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_NAMEOPT,

OPT_C, OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,

OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,

OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,

OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,

OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,

OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,

OPT_SUBJECT_HASH_OLD,

OPT_ISSUER_HASH_OLD,

OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES,

OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT

} OPTION_CHOICE;

const OPTIONS x509_options[] = {

OPT_SECTION("General"),

{"help", OPT_HELP, '-', "Display this summary"},

#ifndef OPENSSL_NO_ENGINE

{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},

#endif

{"inform", OPT_INFORM, 'f',

"CSR input format (DER or PEM) - default PEM"},

{"in", OPT_IN, '

{"passin", OPT_PASSIN, 's', "Private key password/pass-phrase source"},

{"outform", OPT_OUTFORM, 'f',

"Output format (DER or PEM) - default PEM"},

{"out", OPT_OUT, '>', "Output file - default stdout"},

{"keyform", OPT_KEYFORM, 'E', "Private key format (ENGINE, other values ignored)"},

{"req", OPT_REQ, '-', "Input is a certificate request, sign and output"},

{"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},

OPT_SECTION("Output"),

{"serial", OPT_SERIAL, '-', "Print serial number value"},

{"subject_hash", OPT_HASH, '-', "Print subject hash value"},

{"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},

{"hash", OPT_HASH, '-', "Synonym for -subject_hash"},

{"subject", OPT_SUBJECT, '-', "Print subject DN"},

{"issuer", OPT_ISSUER, '-', "Print issuer DN"},

{"email", OPT_EMAIL, '-', "Print email address(es)"},

{"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},

{"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},

{"pubkey", OPT_PUBKEY, '-', "Output the public key"},

{"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},

{"alias", OPT_ALIAS, '-', "Output certificate alias"},

{"noout", OPT_NOOUT, '-', "No output, just status"},

{"ocspid", OPT_OCSPID, '-',

"Print OCSP hash values for the subject name and public key"},

{"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},

{"nocert", OPT_NOCERT, '-', "No certificate output"},

{"trustout", OPT_TRUSTOUT, '-', "Output a trusted certificate"},

{"x509toreq", OPT_X509TOREQ, '-',

"Output a certification request object"},

{"checkend", OPT_CHECKEND, 'M',

"Check whether the cert expires in the next arg seconds"},

{OPT_MORE_STR, 1, 1, "Exit 1 if so, 0 if not"},

{"text", OPT_TEXT, '-', "Print the certificate in text form"},

{"ext", OPT_EXT, 's', "Print various X509V3 extensions"},

{"C", OPT_C, '-', "Print out C code forms"},

#ifndef OPENSSL_NO_MD5

{"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',

"Print old-style (MD5) subject hash value"},

{"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',

"Print old-style (MD5) issuer hash value"},

#endif

{"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},

OPT_SECTION("Certificate"),

{"startdate", OPT_STARTDATE, '-', "Set notBefore field"},

{"enddate", OPT_ENDDATE, '-', "Set notAfter field"},

{"dates", OPT_DATES, '-', "Both Before and After dates"},

{"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},

{"clrext", OPT_CLREXT, '-', "Clear all certificate extensions"},

{"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},

{"addreject", OPT_ADDREJECT, 's',

"Reject certificate for a given purpose"},

{"setalias", OPT_SETALIAS, 's', "Set certificate alias"},

{"days", OPT_DAYS, 'n',

"How long till expiry of a signed certificate - def 30 days"},

{"signkey", OPT_SIGNKEY, 's', "Self-sign cert with arg"},

{"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},

{"extensions", OPT_EXTENSIONS, 's', "Section from config file to use"},

{"certopt", OPT_CERTOPT, 's', "Various certificate text options"},

{"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},

{"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},

{"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},

{"force_pubkey", OPT_FORCE_PUBKEY, '

{"subj", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},

OPT_SECTION("CA"),

{"CA", OPT_CA, '

{"CAkey", OPT_CAKEY, 's',

"The CA key, must be PEM format; if not in CAfile"},

{"extfile", OPT_EXTFILE, '

OPT_R_OPTIONS,

OPT_PROV_OPTIONS,

{"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},

{"CAkeyform", OPT_CAKEYFORM, 'E', "CA key format (ENGINE, other values ignored)"},

{"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},

{"CAcreateserial", OPT_CACREATESERIAL, '-',

"Create serial number file if it does not exist"},

{"CAserial", OPT_CASERIAL, 's', "Serial file"},

{"new", OPT_NEW, '-', "Generate a certificate from scratch"},

{"next_serial", OPT_NEXT_SERIAL, '-', "Increment current certificate serial number"},

{"clrreject", OPT_CLRREJECT, '-',

"Clears all the prohibited or rejected uses of the certificate"},

{"badsig", OPT_BADSIG, '-', "Corrupt last byte of certificate signature (for test)"},

{"", OPT_MD, '-', "Any supported digest"},

{"preserve_dates", OPT_PRESERVE_DATES, '-', "preserve existing dates when signing"},

{NULL}

};

int x509_main(int argc, char **argv)

{

ASN1_INTEGER *sno = NULL;

ASN1_OBJECT *objtmp = NULL;

BIO *out = NULL;

CONF *extconf = NULL;

EVP_PKEY *Upkey = NULL, *CApkey = NULL, *fkey = NULL;

int newcert = 0;

char *subj = NULL;

X509_NAME *fsubj = NULL;

const unsigned long chtype = MBSTRING_ASC;

const int multirdn = 0;

STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;

STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;

X509 *x = NULL, *xca = NULL;

X509_REQ *req = NULL, *rq = NULL;

X509_STORE *ctx = NULL;

const EVP_MD *digest = NULL;

char *CAkeyfile = NULL, *CAserial = NULL, *fkeyfile = NULL, *alias = NULL;

char *checkhost = NULL, *checkemail = NULL, *checkip = NULL, *exts = NULL;

char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;

char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;

char *prog;

int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0, pprint = 0;

int C = 0, CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;

int fingerprint = 0, reqfile = 0, checkend = 0;

int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;

int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;

int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, email = 0;

int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;

int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;

int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;

int enddate = 0;

time_t checkoffset = 0;

unsigned long certflag = 0;

int preserve_dates = 0;

OPTION_CHOICE o;

ENGINE *e = NULL;

#ifndef OPENSSL_NO_MD5

int subject_hash_old = 0, issuer_hash_old = 0;

#endif

ctx = X509_STORE_new();

if (ctx == NULL)

goto end;

X509_STORE_set_verify_cb(ctx, callb);

prog = opt_init(argc, argv, x509_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(x509_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_ANY, &outformat))

goto opthelp;

break;

case OPT_KEYFORM:

if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))

goto opthelp;

break;

case OPT_CAFORM:

if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))

goto opthelp;

break;

case OPT_CAKEYFORM:

if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))

goto opthelp;

break;

case OPT_OUT:

outfile = opt_arg();

break;

case OPT_REQ:

reqfile = 1;

break;

case OPT_SIGOPT:

if (!sigopts)

sigopts = sk_OPENSSL_STRING_new_null();

if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))

goto opthelp;

break;

case OPT_VFYOPT:

if (!vfyopts)

vfyopts = sk_OPENSSL_STRING_new_null();

if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))

goto opthelp;

break;

case OPT_DAYS:

if (preserve_dates)

goto opthelp;

days = atoi(opt_arg());

break;

case OPT_PASSIN:

passinarg = opt_arg();

break;

case OPT_EXTFILE:

extfile = opt_arg();

break;

case OPT_R_CASES:

if (!opt_rand(o))

goto end;

break;

case OPT_PROV_CASES:

if (!opt_provider(o))

goto end;

break;

case OPT_EXTENSIONS:

extsect = opt_arg();

break;

case OPT_SIGNKEY:

keyfile = opt_arg();

sign_flag = ++num;

break;

case OPT_CA:

CAfile = opt_arg();

CA_flag = ++num;

break;

case OPT_CAKEY:

CAkeyfile = opt_arg();

break;

case OPT_CASERIAL:

CAserial = opt_arg();

break;

case OPT_SET_SERIAL:

if (sno != NULL) {

BIO_printf(bio_err, "Serial number supplied twice\n");

goto opthelp;

}

if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)

goto opthelp;

break;

case OPT_NEW:

newcert = 1;

break;

case OPT_FORCE_PUBKEY:

fkeyfile = opt_arg();

break;

case OPT_SUBJ:

subj = opt_arg();

break;

case OPT_ADDTRUST:

if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {

BIO_printf(bio_err,

"%s: Invalid trust object value %s\n",

prog, opt_arg());

goto opthelp;

}

if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)

goto end;

sk_ASN1_OBJECT_push(trust, objtmp);

objtmp = NULL;

trustout = 1;

break;

case OPT_ADDREJECT:

if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {

BIO_printf(bio_err,

"%s: Invalid reject object value %s\n",

prog, opt_arg());

goto opthelp;

}

if (reject == NULL

&& (reject = sk_ASN1_OBJECT_new_null()) == NULL)

goto end;

sk_ASN1_OBJECT_push(reject, objtmp);

objtmp = NULL;

trustout = 1;

break;

case OPT_SETALIAS:

alias = opt_arg();

trustout = 1;

break;

case OPT_CERTOPT:

if (!set_cert_ex(&certflag, opt_arg()))

goto opthelp;

break;

case OPT_NAMEOPT:

if (!set_nameopt(opt_arg()))

goto opthelp;

break;

case OPT_ENGINE:

e = setup_engine(opt_arg(), 0);

break;

case OPT_C:

C = ++num;

break;

case OPT_EMAIL:

email = ++num;

break;

case OPT_OCSP_URI:

ocsp_uri = ++num;

break;

case OPT_SERIAL:

serial = ++num;

break;

case OPT_NEXT_SERIAL:

next_serial = ++num;

break;

case OPT_MODULUS:

modulus = ++num;

break;

case OPT_PUBKEY:

pubkey = ++num;

break;

case OPT_X509TOREQ:

x509req = ++num;

break;

case OPT_TEXT:

text = ++num;

break;

case OPT_SUBJECT:

subject = ++num;

break;

case OPT_ISSUER:

issuer = ++num;

break;

case OPT_FINGERPRINT:

fingerprint = ++num;

break;

case OPT_HASH:

subject_hash = ++num;

break;

case OPT_ISSUER_HASH:

issuer_hash = ++num;

break;

case OPT_PURPOSE:

pprint = ++num;

break;

case OPT_STARTDATE:

startdate = ++num;

break;

case OPT_ENDDATE:

enddate = ++num;

break;

case OPT_NOOUT:

noout = ++num;

break;

case OPT_EXT:

ext = ++num;

exts = opt_arg();

break;

case OPT_NOCERT:

nocert = 1;

break;

case OPT_TRUSTOUT:

trustout = 1;

break;

case OPT_CLRTRUST:

clrtrust = ++num;

break;

case OPT_CLRREJECT:

clrreject = ++num;

break;

case OPT_ALIAS:

aliasout = ++num;

break;

case OPT_CACREATESERIAL:

CA_createserial = ++num;

break;

case OPT_CLREXT:

clrext = 1;

break;

case OPT_OCSPID:

ocspid = ++num;

break;

case OPT_BADSIG:

badsig = 1;

break;

#ifndef OPENSSL_NO_MD5

case OPT_SUBJECT_HASH_OLD:

subject_hash_old = ++num;

break;

case OPT_ISSUER_HASH_OLD:

issuer_hash_old = ++num;

break;

#else

case OPT_SUBJECT_HASH_OLD:

case OPT_ISSUER_HASH_OLD:

break;

#endif

case OPT_DATES:

startdate = ++num;

enddate = ++num;

break;

case OPT_CHECKEND:

checkend = 1;

{

intmax_t temp = 0;

if (!opt_imax(opt_arg(), &temp))

goto opthelp;

checkoffset = (time_t)temp;

if ((intmax_t)checkoffset != temp) {

BIO_printf(bio_err, "%s: checkend time out of range %s\n",

prog, opt_arg());

goto opthelp;

}

}

break;

case OPT_CHECKHOST:

checkhost = opt_arg();

break;

case OPT_CHECKEMAIL:

checkemail = opt_arg();

break;

case OPT_CHECKIP:

checkip = opt_arg();

break;

case OPT_PRESERVE_DATES:

if (days != DEF_DAYS)

goto opthelp;

preserve_dates = 1;

break;

case OPT_MD:

if (!opt_md(opt_unknown(), &digest))

goto opthelp;

}

}

argc = opt_num_rest();

argv = opt_rest();

if (argc != 0) {

BIO_printf(bio_err, "%s: Unknown parameter %s\n", prog, argv[0]);

goto opthelp;

}

if (!app_passwd(passinarg, NULL, &passin, NULL)) {

BIO_printf(bio_err, "Error getting password\n");

goto end;

}

if (!X509_STORE_set_default_paths_with_libctx(ctx, app_get0_libctx(),

app_get0_propq())) {

ERR_print_errors(bio_err);

goto end;

}

if (newcert && infile != NULL) {

BIO_printf(bio_err, "The -in option must not be used since -new is set\n");

goto end;

}

if (newcert && fkeyfile == NULL) {

BIO_printf(bio_err,

"The -new option requires a public key to be set using -force_pubkey\n");

goto end;

}

if (fkeyfile != NULL) {

fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");

if (fkey == NULL)

goto end;

}

if (newcert && subj == NULL) {

BIO_printf(bio_err,

"The -new option requires a subject to be set using -subj\n");

goto end;

}

if (subj != NULL && (fsubj = parse_name(subj, chtype, multirdn)) == NULL)

goto end;

if (CAkeyfile == NULL && CA_flag && CAformat == FORMAT_PEM) {

CAkeyfile = CAfile;

} else if (CA_flag && CAkeyfile == NULL) {

BIO_printf(bio_err,

"need to specify a CAkey if using the CA command\n");

goto end;

} else if (!CA_flag && CAkeyfile != NULL) {

BIO_printf(bio_err,

"ignoring -CAkey option since no -CA option is given\n");

}

if (extfile != NULL) {

X509V3_CTX ctx2;

if ((extconf = app_load_config(extfile)) == NULL)

goto end;

if (extsect == NULL) {

extsect = NCONF_get_string(extconf, "default", "extensions");

if (extsect == NULL) {

ERR_clear_error();

extsect = "default";

}

}

X509V3_set_ctx_test(&ctx2);

X509V3_set_nconf(&ctx2, extconf);

if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {

BIO_printf(bio_err,

"Error Loading extension section %s\n", extsect);

ERR_print_errors(bio_err);

goto end;

}

}

if (reqfile) {

EVP_PKEY *pkey;

req = load_csr(infile, informat, "certificate request input");

if (req == NULL)

goto end;

if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {

BIO_printf(bio_err, "error unpacking public key\n");

goto end;

}

i = do_X509_REQ_verify(req, pkey, vfyopts);

if (i < 0) {

BIO_printf(bio_err, "Request self-signature verification error\n");

ERR_print_errors(bio_err);

goto end;

}

if (i == 0) {

BIO_printf(bio_err,

"Request self-signature did not match the certificate request\n");

goto end;

} else {

BIO_printf(bio_err, "Request self-signature ok\n");

}

print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),

get_nameopt());

}

if (reqfile || newcert) {

X509_NAME *n;

if (!sign_flag && CAkeyfile == NULL) {

BIO_printf(bio_err,

"We need a private key to sign with, use -signkey or -CAkey or -CA with private key\n");

goto end;

}

if ((x = X509_new_with_libctx(app_get0_libctx(), app_get0_propq())) == NULL)

goto end;

if (sno == NULL) {

sno = ASN1_INTEGER_new();

if (sno == NULL || !rand_serial(NULL, sno))

goto end;

if (!X509_set_serialNumber(x, sno))

goto end;

ASN1_INTEGER_free(sno);

sno = NULL;

} else if (!X509_set_serialNumber(x, sno)) {

goto end;

}

n = req == NULL ? fsubj : X509_REQ_get_subject_name(req);

if (!X509_set_issuer_name(x, n) || !X509_set_subject_name(x, n))

goto end;

if (!set_cert_times(x, NULL, NULL, days))

goto end;

if (!X509_set_pubkey(x, fkey != NULL ? fkey : X509_REQ_get0_pubkey(req)))

goto end;

} else {

x = load_cert(infile, FORMAT_UNDEF, "Certificate");

if (x == NULL)

goto end;

if (fkey != NULL && !X509_set_pubkey(x, fkey))

goto end;

if (fsubj != NULL && !X509_set_subject_name(x, fsubj))

goto end;

}

if (CA_flag) {

xca = load_cert(CAfile, CAformat, "CA Certificate");

if (xca == NULL)

goto end;

}

out = bio_open_default(outfile, 'w', outformat);

if (out == NULL)

goto end;

if (!noout || text || next_serial)

OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");

if (alias)

X509_alias_set1(x, (unsigned char *)alias, -1);

if (clrtrust)

X509_trust_clear(x);

if (clrreject)

X509_reject_clear(x);

if (trust != NULL) {

for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {

objtmp = sk_ASN1_OBJECT_value(trust, i);

X509_add1_trust_object(x, objtmp);

}

objtmp = NULL;

}

if (reject != NULL) {

for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {

objtmp = sk_ASN1_OBJECT_value(reject, i);

X509_add1_reject_object(x, objtmp);

}

objtmp = NULL;

}

if (badsig) {

const ASN1_BIT_STRING *signature;

X509_get0_signature(&signature, NULL, x);

corrupt_signature(signature);

}

if (num) {

for (i = 1; i <= num; i++) {

if (issuer == i) {

print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());

} else if (subject == i) {

print_name(out, "subject=",

X509_get_subject_name(x), get_nameopt());

} else if (serial == i) {

BIO_printf(out, "serial=");

i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));

BIO_printf(out, "\n");

} else if (next_serial == i) {

ASN1_INTEGER *ser = X509_get_serialNumber(x);

BIGNUM *bnser = ASN1_INTEGER_to_BN(ser, NULL);

if (!bnser)

goto end;

if (!BN_add_word(bnser, 1))

goto end;

ser = BN_to_ASN1_INTEGER(bnser, NULL);

if (!ser)

goto end;

BN_free(bnser);

i2a_ASN1_INTEGER(out, ser);

ASN1_INTEGER_free(ser);

BIO_puts(out, "\n");

} else if (email == i || ocsp_uri == i) {

int j;

STACK_OF(OPENSSL_STRING) *emlst;

if (email == i)

emlst = X509_get1_email(x);

else

emlst = X509_get1_ocsp(x);

for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)

BIO_printf(out, "%s\n",

sk_OPENSSL_STRING_value(emlst, j));

X509_email_free(emlst);

} else if (aliasout == i) {

unsigned char *alstr;

alstr = X509_alias_get0(x, NULL);

if (alstr)

BIO_printf(out, "%s\n", alstr);

else

BIO_puts(out, "\n");

} else if (subject_hash == i) {

BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));

}

#ifndef OPENSSL_NO_MD5

else if (subject_hash_old == i) {

BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));

}

#endif

else if (issuer_hash == i) {

BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));

}

#ifndef OPENSSL_NO_MD5

else if (issuer_hash_old == i) {

BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));

}

#endif

else if (pprint == i) {

X509_PURPOSE *ptmp;

int j;

BIO_printf(out, "Certificate purposes:\n");

for (j = 0; j < X509_PURPOSE_get_count(); j++) {

ptmp = X509_PURPOSE_get0(j);

purpose_print(out, x, ptmp);

}

} else if (modulus == i) {

EVP_PKEY *pkey;

pkey = X509_get0_pubkey(x);

if (pkey == NULL) {

BIO_printf(bio_err, "Modulus=unavailable\n");

ERR_print_errors(bio_err);

goto end;

}

BIO_printf(out, "Modulus=");

#ifndef OPENSSL_NO_RSA

if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {

const BIGNUM *n;

RSA_get0_key(EVP_PKEY_get0_RSA(pkey), &n, NULL, NULL);

BN_print(out, n);

} else

#endif

#ifndef OPENSSL_NO_DSA

if (EVP_PKEY_id(pkey) == EVP_PKEY_DSA) {

const BIGNUM *dsapub = NULL;

DSA_get0_key(EVP_PKEY_get0_DSA(pkey), &dsapub, NULL);

BN_print(out, dsapub);

} else

#endif

{

BIO_printf(out, "Wrong Algorithm type");

}

BIO_printf(out, "\n");

} else if (pubkey == i) {

EVP_PKEY *pkey;

pkey = X509_get0_pubkey(x);

if (pkey == NULL) {

BIO_printf(bio_err, "Error getting public key\n");

ERR_print_errors(bio_err);

goto end;

}

PEM_write_bio_PUBKEY(out, pkey);

} else if (C == i) {

unsigned char *d;

char *m;

int len;

print_name(out, "/*\n"

" * Subject: ", X509_get_subject_name(x), get_nameopt());

print_name(out, " * Issuer: ", X509_get_issuer_name(x), get_nameopt());

BIO_puts(out, " */\n");

len = i2d_X509(x, NULL);

m = app_malloc(len, "x509 name buffer");

d = (unsigned char *)m;

len = i2d_X509_NAME(X509_get_subject_name(x), &d);

print_array(out, "the_subject_name", len, (unsigned char *)m);

d = (unsigned char *)m;

len = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);

print_array(out, "the_public_key", len, (unsigned char *)m);

d = (unsigned char *)m;

len = i2d_X509(x, &d);

print_array(out, "the_certificate", len, (unsigned char *)m);

OPENSSL_free(m);

} else if (text == i) {

X509_print_ex(out, x, get_nameopt(), certflag);

} else if (startdate == i) {

BIO_puts(out, "notBefore=");

ASN1_TIME_print(out, X509_get0_notBefore(x));

BIO_puts(out, "\n");

} else if (enddate == i) {

BIO_puts(out, "notAfter=");

ASN1_TIME_print(out, X509_get0_notAfter(x));

BIO_puts(out, "\n");

} else if (fingerprint == i) {

int j;

unsigned int n;

unsigned char md[EVP_MAX_MD_SIZE];

const EVP_MD *fdig = digest;

if (fdig == NULL)

fdig = EVP_sha1();

if (!X509_digest(x, fdig, md, &n)) {

BIO_printf(bio_err, "out of memory\n");

goto end;

}

BIO_printf(out, "%s Fingerprint=",

OBJ_nid2sn(EVP_MD_type(fdig)));

for (j = 0; j < (int)n; j++) {

BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)

? '\n' : ':');

}

}

/* should be in the library */

else if (sign_flag == i && x509req == 0) {

BIO_printf(bio_err, "Getting Private key\n");

if (Upkey == NULL) {

Upkey = load_key(keyfile, keyformat, 0,

passin, e, "Private key");

if (Upkey == NULL)

goto end;

}

if (!sign(x, Upkey, fkey, sigopts, days, clrext, digest,

extconf, extsect, preserve_dates))

goto end;

} else if (CA_flag == i) {

BIO_printf(bio_err, "Getting CA Private Key\n");

if (CAkeyfile != NULL) {

CApkey = load_key(CAkeyfile, CAkeyformat,

0, passin, e, "CA Private Key");

if (CApkey == NULL)

goto end;

}

if (!x509_certify(ctx, CAfile, digest, x, xca,

CApkey, sigopts,

CAserial, CA_createserial, days, clrext,

extconf, extsect, sno, reqfile, preserve_dates))

goto end;

} else if (x509req == i) {

EVP_PKEY *pk;

BIO_printf(bio_err, "Getting request Private Key\n");

if (keyfile == NULL) {

BIO_printf(bio_err, "no request key file specified\n");

goto end;

} else {

pk = load_key(keyfile, keyformat, 0,

passin, e, "request key");

if (pk == NULL)

goto end;

}

BIO_printf(bio_err, "Generating certificate request\n");

rq = X509_to_X509_REQ(x, pk, digest);

EVP_PKEY_free(pk);

if (rq == NULL) {

ERR_print_errors(bio_err);

goto end;

}

if (!noout) {

X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);

PEM_write_bio_X509_REQ(out, rq);

}

noout = 1;

} else if (ocspid == i) {

X509_ocspid_print(out, x);

} else if (ext == i) {

print_x509v3_exts(out, x, exts);

}

}

}

if (checkend) {

time_t tcheck = time(NULL) + checkoffset;

if (X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0) {

BIO_printf(out, "Certificate will expire\n");

ret = 1;

} else {

BIO_printf(out, "Certificate will not expire\n");

ret = 0;

}

goto end;

}

print_cert_checks(out, x, checkhost, checkemail, checkip);

if (noout || nocert) {

ret = 0;

goto end;

}

if (outformat == FORMAT_ASN1) {

i = i2d_X509_bio(out, x);

} else if (outformat == FORMAT_PEM) {

if (trustout)

i = PEM_write_bio_X509_AUX(out, x);

else

i = PEM_write_bio_X509(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 certificate\n");

ERR_print_errors(bio_err);

goto end;

}

ret = 0;

end:

NCONF_free(extconf);

BIO_free_all(out);

X509_STORE_free(ctx);

X509_NAME_free(fsubj);

X509_REQ_free(req);

X509_free(x);

X509_free(xca);

EVP_PKEY_free(Upkey);

EVP_PKEY_free(CApkey);

EVP_PKEY_free(fkey);

sk_OPENSSL_STRING_free(sigopts);

sk_OPENSSL_STRING_free(vfyopts);

X509_REQ_free(rq);

ASN1_INTEGER_free(sno);

sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);

sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);

ASN1_OBJECT_free(objtmp);

release_engine(e);

OPENSSL_free(passin);

return ret;

}

static ASN1_INTEGER *x509_load_serial(const char *CAfile,

const char *serialfile, int create)

{

char *buf = NULL;

ASN1_INTEGER *bs = NULL;

BIGNUM *serial = NULL;

if (serialfile == NULL) {

const char *p = strrchr(CAfile, '.');

size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);

buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");

memcpy(buf, CAfile, len);

memcpy(buf + len, POSTFIX, sizeof(POSTFIX));

serialfile = buf;

}

serial = load_serial(serialfile, create, NULL);

if (serial == NULL)

goto end;

if (!BN_add_word(serial, 1)) {

BIO_printf(bio_err, "add_word failure\n");

goto end;

}

if (!save_serial(serialfile, NULL, serial, &bs))

goto end;

end:

OPENSSL_free(buf);

BN_free(serial);

return bs;

}

static int x509_certify(X509_STORE *ctx, const char *CAfile, const EVP_MD *digest,

X509 *x, X509 *xca, EVP_PKEY *pkey,

STACK_OF(OPENSSL_STRING) *sigopts,

const char *serialfile, int create,

int days, int clrext, CONF *conf, const char *section,

ASN1_INTEGER *sno, int reqfile, int preserve_dates)

{

int ret = 0;

ASN1_INTEGER *bs = NULL;

X509_STORE_CTX *xsc = NULL;

EVP_PKEY *upkey;

upkey = X509_get0_pubkey(xca);

if (upkey == NULL) {

BIO_printf(bio_err, "Error obtaining CA X509 public key\n");

goto end;

}

EVP_PKEY_copy_parameters(upkey, pkey);

xsc = X509_STORE_CTX_new();

if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, x, NULL)) {

BIO_printf(bio_err, "Error initialising X509 store\n");

goto end;

}

if (sno)

bs = sno;

else if ((bs = x509_load_serial(CAfile, serialfile, create)) == NULL)

goto end;

/*

* NOTE: this certificate can/should be self-signed, unless it was a

* certificate request in which case it is not.

*/

X509_STORE_CTX_set_cert(xsc, x);

X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);

if (!reqfile && X509_verify_cert(xsc) <= 0)

goto end;

if (!X509_check_private_key(xca, pkey)) {

BIO_printf(bio_err,

"CA certificate and CA private key do not match\n");

goto end;

}

if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))

goto end;

if (!X509_set_serialNumber(x, bs))

goto end;

if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))

goto end;

if (clrext) {

while (X509_get_ext_count(x) > 0)

X509_delete_ext(x, 0);

}

if (conf != NULL) {

X509V3_CTX ctx2;

X509_set_version(x, 2); /* version 3 certificate */

X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);

X509V3_set_nconf(&ctx2, conf);

if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))

goto end;

}

if (!do_X509_sign(x, pkey, digest, sigopts))

goto end;

ret = 1;

end:

X509_STORE_CTX_free(xsc);

if (!ret)

ERR_print_errors(bio_err);

if (!sno)

ASN1_INTEGER_free(bs);

return ret;

}

static int callb(int ok, X509_STORE_CTX *ctx)

{

int err;

X509 *err_cert;

/*

* It is ok to use a self-signed certificate. This case will catch both

* the initial ok == 0 and the final ok == 1 calls to this function.

*/

err = X509_STORE_CTX_get_error(ctx);

if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)

return 1;

/*

* BAD we should have gotten an error. Normally if everything worked

* X509_STORE_CTX_get_error(ctx) will still be set to

* DEPTH_ZERO_SELF_....

*/

if (ok) {

BIO_printf(bio_err,

"error with certificate to be certified - should be self-signed\n");

return 0;

} else {

err_cert = X509_STORE_CTX_get_current_cert(ctx);

print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);

BIO_printf(bio_err,

"error with certificate - error %d at depth %d\n%s\n", err,

X509_STORE_CTX_get_error_depth(ctx),

X509_verify_cert_error_string(err));

return 1;

}

}

/* self-issue; self-sign unless a forced public key (fkey) is given */

static int sign(X509 *x, EVP_PKEY *pkey, EVP_PKEY *fkey,

STACK_OF(OPENSSL_STRING) *sigopts,

int days, int clrext,

const EVP_MD *digest, CONF *conf, const char *section,

int preserve_dates)

{

if (!X509_set_issuer_name(x, X509_get_subject_name(x)))

goto err;

if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))

goto err;

if (fkey == NULL && !X509_set_pubkey(x, pkey))

goto err;

if (clrext) {

while (X509_get_ext_count(x) > 0)

X509_delete_ext(x, 0);

}

if (conf != NULL) {

X509V3_CTX ctx;

X509_set_version(x, 2); /* version 3 certificate */

X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);

X509V3_set_nconf(&ctx, conf);

if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))

goto err;

}

if (!do_X509_sign(x, pkey, digest, sigopts))

goto err;

return 1;

err:

ERR_print_errors(bio_err);

return 0;

}

static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)

{

int id, i, idret;

const char *pname;

id = X509_PURPOSE_get_id(pt);

pname = X509_PURPOSE_get0_name(pt);

for (i = 0; i < 2; i++) {

idret = X509_check_purpose(cert, id, i);

BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");

if (idret == 1)

BIO_printf(bio, "Yes\n");

else if (idret == 0)

BIO_printf(bio, "No\n");

else

BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);

}

return 1;

}

static int parse_ext_names(char *names, const char **result)

{

char *p, *q;

int cnt = 0, len = 0;

p = q = names;

len = strlen(names);

while (q - names <= len) {

if (*q != ',' && *q != '\0') {

q++;

continue;

}

if (p != q) {

/* found */

if (result != NULL) {

result[cnt] = p;

*q = '\0';

}

cnt++;

}

p = ++q;

}

return cnt;

}

static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)

{

const STACK_OF(X509_EXTENSION) *exts = NULL;

STACK_OF(X509_EXTENSION) *exts2 = NULL;

X509_EXTENSION *ext = NULL;

ASN1_OBJECT *obj;

int i, j, ret = 0, num, nn = 0;

const char *sn, **names = NULL;

char *tmp_ext_names = NULL;

exts = X509_get0_extensions(x);

if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {

BIO_printf(bio, "No extensions in certificate\n");

ret = 1;

goto end;

}

/* parse comma separated ext name string */

if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)

goto end;

if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {

BIO_printf(bio, "Invalid extension names: %s\n", ext_names);

goto end;

}

if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)

goto end;

parse_ext_names(tmp_ext_names, names);

for (i = 0; i < num; i++) {

ext = sk_X509_EXTENSION_value(exts, i);

/* check if this ext is what we want */

obj = X509_EXTENSION_get_object(ext);

sn = OBJ_nid2sn(OBJ_obj2nid(obj));

if (sn == NULL || strcmp(sn, "UNDEF") == 0)

continue;

for (j = 0; j < nn; j++) {

if (strcmp(sn, names[j]) == 0) {

/* push the extension into a new stack */

if (exts2 == NULL

&& (exts2 = sk_X509_EXTENSION_new_null()) == NULL)

goto end;

if (!sk_X509_EXTENSION_push(exts2, ext))

goto end;

}

}

}

if (!sk_X509_EXTENSION_num(exts2)) {

BIO_printf(bio, "No extensions matched with %s\n", ext_names);

ret = 1;

goto end;

}

ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);

end:

sk_X509_EXTENSION_free(exts2);

OPENSSL_free(names);

OPENSSL_free(tmp_ext_names);

return ret;

}