zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/apps/x509.c b/ap/lib/libssl/openssl-1.1.1o/apps/x509.c
new file mode 100644
index 0000000..1f53504
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/apps/x509.c
@@ -0,0 +1,1196 @@
+/*
+ * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "apps.h"
+#include "progs.h"
+#include <openssl/bio.h>
+#include <openssl/asn1.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/objects.h>
+#include <openssl/pem.h>
+#ifndef OPENSSL_NO_RSA
+# include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+# include <openssl/dsa.h>
+#endif
+
+#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, 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_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_FORCE_PUBKEY,
+    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_EXT
+} OPTION_CHOICE;
+
+const OPTIONS x509_options[] = {
+    {"help", OPT_HELP, '-', "Display this summary"},
+    {"inform", OPT_INFORM, 'f',
+     "Input format - default PEM (one of DER or PEM)"},
+    {"in", OPT_IN, '<', "Input file - default stdin"},
+    {"outform", OPT_OUTFORM, 'f',
+     "Output format - default PEM (one of DER or PEM)"},
+    {"out", OPT_OUT, '>', "Output file - default stdout"},
+    {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
+    {"passin", OPT_PASSIN, 's', "Private key password/pass-phrase source"},
+    {"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)"},
+    {"startdate", OPT_STARTDATE, '-', "Set notBefore field"},
+    {"enddate", OPT_ENDDATE, '-', "Set notAfter field"},
+    {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
+    {"dates", OPT_DATES, '-', "Both Before and After dates"},
+    {"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"},
+    {"nocert", OPT_NOCERT, '-', "No certificate output"},
+    {"ocspid", OPT_OCSPID, '-',
+     "Print OCSP hash values for the subject name and public key"},
+    {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
+    {"trustout", OPT_TRUSTOUT, '-', "Output a trusted certificate"},
+    {"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"},
+    {"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"},
+    {"signkey", OPT_SIGNKEY, 's', "Self sign cert with arg"},
+    {"x509toreq", OPT_X509TOREQ, '-',
+     "Output a certification request object"},
+    {"req", OPT_REQ, '-', "Input is a certificate request, sign and output"},
+    {"CA", OPT_CA, '<', "Set the CA certificate, must be PEM format"},
+    {"CAkey", OPT_CAKEY, 's',
+     "The CA key, must be PEM format; if not in CAfile"},
+    {"CAcreateserial", OPT_CACREATESERIAL, '-',
+     "Create serial number file if it does not exist"},
+    {"CAserial", OPT_CASERIAL, 's', "Serial file"},
+    {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
+    {"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"},
+    {"extfile", OPT_EXTFILE, '<', "File with X509V3 extensions to add"},
+    OPT_R_OPTIONS,
+    {"extensions", OPT_EXTENSIONS, 's', "Section from config file to use"},
+    {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
+    {"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"},
+    {"CAform", OPT_CAFORM, 'F', "CA format - default PEM"},
+    {"CAkeyform", OPT_CAKEYFORM, 'E', "CA key format - default PEM"},
+    {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
+    {"force_pubkey", OPT_FORCE_PUBKEY, '<', "Force the Key to put inside certificate"},
+    {"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"},
+#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
+#ifndef OPENSSL_NO_ENGINE
+    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+    {"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;
+    STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
+    STACK_OF(OPENSSL_STRING) *sigopts = 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_ANY, &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_PDE, &keyformat))
+                goto opthelp;
+            break;
+        case OPT_CAFORM:
+            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAformat))
+                goto opthelp;
+            break;
+        case OPT_CAKEYFORM:
+            if (!opt_format(opt_arg(), OPT_FMT_PDE, &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_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_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_FORCE_PUBKEY:
+            fkeyfile = 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(ctx)) {
+        ERR_print_errors(bio_err);
+        goto end;
+    }
+
+    if (fkeyfile != NULL) {
+        fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");
+        if (fkey == 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;
+    }
+
+    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;
+        BIO *in;
+
+        if (!sign_flag && !CA_flag) {
+            BIO_printf(bio_err, "We need a private key to sign with\n");
+            goto end;
+        }
+        in = bio_open_default(infile, 'r', informat);
+        if (in == NULL)
+            goto end;
+        req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
+        BIO_free(in);
+
+        if (req == NULL) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+
+        if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
+            BIO_printf(bio_err, "error unpacking public key\n");
+            goto end;
+        }
+        i = X509_REQ_verify(req, pkey);
+        if (i < 0) {
+            BIO_printf(bio_err, "Signature verification error\n");
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+        if (i == 0) {
+            BIO_printf(bio_err,
+                       "Signature did not match the certificate request\n");
+            goto end;
+        } else {
+            BIO_printf(bio_err, "Signature ok\n");
+        }
+
+        print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
+                   get_nameopt());
+
+        if ((x = X509_new()) == 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;
+        }
+
+        if (!X509_set_issuer_name(x, X509_REQ_get_subject_name(req)))
+            goto end;
+        if (!X509_set_subject_name(x, X509_REQ_get_subject_name(req)))
+            goto end;
+        if (!set_cert_times(x, NULL, NULL, days))
+            goto end;
+
+        if (fkey != NULL) {
+            X509_set_pubkey(x, fkey);
+        } else {
+            pkey = X509_REQ_get0_pubkey(req);
+            X509_set_pubkey(x, pkey);
+        }
+    } else {
+        x = load_cert(infile, informat, "Certificate");
+    }
+
+    if (x == NULL)
+        goto end;
+    if (CA_flag) {
+        xca = load_cert(CAfile, CAformat, "CA Certificate");
+        if (xca == NULL)
+            goto end;
+        if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
+            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_get_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, "<No Alias>\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, 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_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);
+    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_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 sign */
+static int sign(X509 *x, EVP_PKEY *pkey, 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 (!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 (!X509_sign(x, pkey, digest))
+        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;
+}