| /* | 
 |  * 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 = 1; | 
 |             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 (reqfile && !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; | 
 |     int defaultfile = 0, file_exists; | 
 |  | 
 |     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; | 
 |         defaultfile = 1; | 
 |     } | 
 |  | 
 |     serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL); | 
 |     if (serial == NULL) | 
 |         goto end; | 
 |  | 
 |     if (!BN_add_word(serial, 1)) { | 
 |         BIO_printf(bio_err, "add_word failure\n"); | 
 |         goto end; | 
 |     } | 
 |  | 
 |     if (file_exists || create) | 
 |         save_serial(serialfile, NULL, serial, &bs); | 
 |     else | 
 |         bs = BN_to_ASN1_INTEGER(serial, NULL); | 
 |  | 
 |  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 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; | 
 | } |