Add RFC 3779 support.
[openssl.git] / apps / ca.c
index 2e8377391aeee7e29444fd77dbf0531274d49abd..7666e35d54a69c2536137d546509f60a40eea08e 100644 (file)
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -63,7 +63,6 @@
 #include <string.h>
 #include <ctype.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include <openssl/conf.h>
 #include <openssl/bio.h>
 #include <openssl/err.h>
 
 #define ENV_DEFAULT_CA         "default_ca"
 
+#define STRING_MASK    "string_mask"
+#define UTF8_IN                        "utf8"
+
 #define ENV_DIR                        "dir"
 #define ENV_CERTS              "certs"
 #define ENV_CRL_DIR            "crl_dir"
 #define REV_KEY_COMPROMISE     3       /* Value is cert key compromise time */
 #define REV_CA_COMPROMISE      4       /* Value is CA key compromise time */
 
-static char *ca_usage[]={
+static const char *ca_usage[]={
 "usage: ca args\n",
 "\n",
 " -verbose        - Talk alot while doing things\n",
@@ -174,6 +176,7 @@ static char *ca_usage[]={
 " -msie_hack      - msie modifications to handle all those universal strings\n",
 " -revoke file    - Revoke a certificate (given in file)\n",
 " -subj arg       - Use arg instead of request's subject\n",
+" -utf8           - input characters are UTF8 (default ASCII)\n",
 " -multivalue-rdn - enable support for multivalued RDNs\n",
 " -extensions ..  - Extension section (override value in config file)\n",
 " -extfile file   - Configuration file with X509v3 extentions to add\n",
@@ -192,30 +195,30 @@ extern int EF_PROTECT_BELOW;
 extern int EF_ALIGNMENT;
 #endif
 
-static void lookup_fail(char *name,char *tag);
+static void lookup_fail(const char *name, const char *tag);
 static int certify(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
                   const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,CA_DB *db,
-                  BIGNUM *serial, char *subj, int multirdn, int email_dn, char *startdate,
+                  BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn, char *startdate,
                   char *enddate, long days, int batch, char *ext_sect, CONF *conf,
                   int verbose, unsigned long certopt, unsigned long nameopt,
                   int default_op, int ext_copy, int selfsign);
 static int certify_cert(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
                        const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
-                       CA_DB *db, BIGNUM *serial, char *subj, int multirdn, int email_dn,
+                       CA_DB *db, BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn,
                        char *startdate, char *enddate, long days, int batch,
                        char *ext_sect, CONF *conf,int verbose, unsigned long certopt,
                        unsigned long nameopt, int default_op, int ext_copy,
                        ENGINE *e);
 static int certify_spkac(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
                         const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
-                        CA_DB *db, BIGNUM *serial,char *subj, int multirdn, int email_dn,
+                        CA_DB *db, BIGNUM *serial,char *subj,unsigned long chtype, int multirdn, int email_dn,
                         char *startdate, char *enddate, long days, char *ext_sect,
                         CONF *conf, int verbose, unsigned long certopt, 
                         unsigned long nameopt, int default_op, int ext_copy);
 static int fix_data(int nid, int *type);
 static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext);
 static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
-       STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,char *subj, int multirdn,
+       STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,char *subj,unsigned long chtype, int multirdn,
        int email_dn, char *startdate, char *enddate, long days, int batch,
                int verbose, X509_REQ *req, char *ext_sect, CONF *conf,
        unsigned long certopt, unsigned long nameopt, int default_op,
@@ -225,7 +228,7 @@ static int get_certificate_status(const char *ser_status, CA_DB *db);
 static int do_updatedb(CA_DB *db);
 static int check_time_format(char *str);
 char *make_revocation_str(int rev_type, char *rev_arg);
-int make_revoked(X509_REVOKED *rev, char *str);
+int make_revoked(X509_REVOKED *rev, const char *str);
 int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str);
 static CONF *conf=NULL;
 static CONF *extconf=NULL;
@@ -241,6 +244,7 @@ int MAIN(int argc, char **argv)
        {
        ENGINE *e = NULL;
        char *key=NULL,*passargin=NULL;
+       int create_ser = 0;
        int free_key = 0;
        int total=0;
        int total_done=0;
@@ -254,6 +258,7 @@ int MAIN(int argc, char **argv)
        int doupdatedb=0;
        long crldays=0;
        long crlhours=0;
+       long crlsec=0;
        long errorline= -1;
        char *configfile=NULL;
        char *md=NULL;
@@ -274,6 +279,7 @@ int MAIN(int argc, char **argv)
        char *extensions=NULL;
        char *extfile=NULL;
        char *subj=NULL;
+       unsigned long chtype = MBSTRING_ASC;
        int multirdn = 0;
        char *tmp_email_dn=NULL;
        char *crl_ext=NULL;
@@ -299,7 +305,8 @@ int MAIN(int argc, char **argv)
        X509_REVOKED *r=NULL;
        ASN1_TIME *tmptm;
        ASN1_INTEGER *tmpser;
-       char **pp,*p,*f;
+       char *f;
+       const char *p, **pp;
        int i,j;
        const EVP_MD *dgst=NULL;
        STACK_OF(CONF_VALUE) *attribs=NULL;
@@ -354,6 +361,10 @@ EF_ALIGNMENT=0;
                        subj= *(++argv);
                        /* preserve=1; */
                        }
+               else if (strcmp(*argv,"-utf8") == 0)
+                       chtype = MBSTRING_UTF8;
+               else if (strcmp(*argv,"-create_serial") == 0)
+                       create_ser = 1;
                else if (strcmp(*argv,"-multivalue-rdn") == 0)
                        multirdn=1;
                else if (strcmp(*argv,"-startdate") == 0)
@@ -446,6 +457,11 @@ EF_ALIGNMENT=0;
                        if (--argc < 1) goto bad;
                        crlhours= atol(*(++argv));
                        }
+               else if (strcmp(*argv,"-crlsec") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       crlsec = atol(*(++argv));
+                       }
                else if (strcmp(*argv,"-infiles") == 0)
                        {
                        argc--;
@@ -546,10 +562,6 @@ bad:
 
        ERR_load_crypto_strings();
 
-#ifndef OPENSSL_NO_ENGINE
-       e = setup_engine(bio_err, engine, 0);
-#endif
-
        /*****************************************************************/
        tofree=NULL;
        if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
@@ -594,6 +606,10 @@ bad:
        if (!load_config(bio_err, conf))
                goto err;
 
+#ifndef OPENSSL_NO_ENGINE
+       e = setup_engine(bio_err, engine, 0);
+#endif
+
        /* Lets get the config section we are using */
        if (section == NULL)
                {
@@ -641,6 +657,23 @@ bad:
                ERR_clear_error();
        app_RAND_load_file(randfile, bio_err, 0);
 
+       f = NCONF_get_string(conf, section, STRING_MASK);
+       if (!f)
+               ERR_clear_error();
+
+       if(f && !ASN1_STRING_set_default_mask_asc(f)) {
+               BIO_printf(bio_err, "Invalid global string mask setting %s\n", f);
+               goto err;
+       }
+
+       if (chtype != MBSTRING_UTF8){
+               f = NCONF_get_string(conf, section, UTF8_IN);
+               if (!f)
+                       ERR_clear_error();
+               else if (!strcmp(f, "yes"))
+                       chtype = MBSTRING_UTF8;
+       }
+
        db_attr.unique_subject = 1;
        p = NCONF_get_string(conf, section, ENV_UNIQUE_SUBJECT);
        if (p)
@@ -798,7 +831,6 @@ bad:
        /* lookup where to write new certificates */
        if ((outdir == NULL) && (req))
                {
-               struct stat sb;
 
                if ((outdir=NCONF_get_string(conf,section,ENV_NEW_CERTS_DIR))
                        == NULL)
@@ -824,20 +856,12 @@ bad:
                        goto err;
                        }
 
-               if (stat(outdir,&sb) != 0)
-                       {
-                       BIO_printf(bio_err,"unable to stat(%s)\n",outdir);
-                       perror(outdir);
-                       goto err;
-                       }
-#ifdef S_IFDIR
-               if (!(sb.st_mode & S_IFDIR))
+               if (app_isdir(outdir)<=0)
                        {
                        BIO_printf(bio_err,"%s need to be a directory\n",outdir);
                        perror(outdir);
                        goto err;
                        }
-#endif
 #endif
                }
 
@@ -854,7 +878,7 @@ bad:
        /* Lets check some fields */
        for (i=0; i<sk_num(db->db->data); i++)
                {
-               pp=(char **)sk_value(db->db->data,i);
+               pp=(const char **)sk_value(db->db->data,i);
                if ((pp[DB_type][0] != DB_TYPE_REV) &&
                        (pp[DB_rev_date][0] != '\0'))
                        {
@@ -867,7 +891,7 @@ bad:
                        BIO_printf(bio_err," in entry %d\n", i+1);
                        goto err;
                        }
-               if (!check_time_format(pp[DB_exp_date]))
+               if (!check_time_format((char *)pp[DB_exp_date]))
                        {
                        BIO_printf(bio_err,"entry %d: invalid expiry date\n",i+1);
                        goto err;
@@ -941,7 +965,6 @@ bad:
                        if (verbose) BIO_printf(bio_err,
                                "Done. %d entries marked as expired\n",i); 
                        }
-                       goto err;
                }
 
        /*****************************************************************/
@@ -992,25 +1015,38 @@ bad:
                        }
                }
 
-       if (req)
+       if ((md == NULL) && ((md=NCONF_get_string(conf,
+               section,ENV_DEFAULT_MD)) == NULL))
+               {
+               lookup_fail(section,ENV_DEFAULT_MD);
+               goto err;
+               }
+
+       if (!strcmp(md, "default"))
                {
-               if ((md == NULL) && ((md=NCONF_get_string(conf,
-                       section,ENV_DEFAULT_MD)) == NULL))
+               int def_nid;
+               if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0)
                        {
-                       lookup_fail(section,ENV_DEFAULT_MD);
+                       BIO_puts(bio_err,"no default digest\n");
                        goto err;
                        }
+               md = (char *)OBJ_nid2sn(def_nid);
+               }
+
+       if ((dgst=EVP_get_digestbyname(md)) == NULL)
+               {
+               BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
+               goto err;
+               }
+
+       if (req)
+               {
                if ((email_dn == 1) && ((tmp_email_dn=NCONF_get_string(conf,
                        section,ENV_DEFAULT_EMAIL_DN)) != NULL ))
                        {
                        if(strcmp(tmp_email_dn,"no") == 0)
                                email_dn=0;
                        }
-               if ((dgst=EVP_get_digestbyname(md)) == NULL)
-                       {
-                       BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
-                       goto err;
-                       }
                if (verbose)
                        BIO_printf(bio_err,"message digest is %s\n",
                                OBJ_nid2ln(dgst->type));
@@ -1097,7 +1133,7 @@ bad:
                        goto err;
                        }
 
-               if ((serial=load_serial(serialfile, 0, NULL)) == NULL)
+               if ((serial=load_serial(serialfile, create_ser, NULL)) == NULL)
                        {
                        BIO_printf(bio_err,"error while loading serial number\n");
                        goto err;
@@ -1129,7 +1165,7 @@ bad:
                        {
                        total++;
                        j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
-                               serial,subj,multirdn,email_dn,startdate,enddate,days,extensions,
+                               serial,subj,chtype,multirdn,email_dn,startdate,enddate,days,extensions,
                                conf,verbose,certopt,nameopt,default_op,ext_copy);
                        if (j < 0) goto err;
                        if (j > 0)
@@ -1153,7 +1189,7 @@ bad:
                        {
                        total++;
                        j=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,
-                               db,serial,subj,multirdn,email_dn,startdate,enddate,days,batch,
+                               db,serial,subj,chtype,multirdn,email_dn,startdate,enddate,days,batch,
                                extensions,conf,verbose, certopt, nameopt,
                                default_op, ext_copy, e);
                        if (j < 0) goto err;
@@ -1173,7 +1209,7 @@ bad:
                        {
                        total++;
                        j=certify(&x,infile,pkey,x509p,dgst,attribs,db,
-                               serial,subj,multirdn,email_dn,startdate,enddate,days,batch,
+                               serial,subj,chtype,multirdn,email_dn,startdate,enddate,days,batch,
                                extensions,conf,verbose, certopt, nameopt,
                                default_op, ext_copy, selfsign);
                        if (j < 0) goto err;
@@ -1193,7 +1229,7 @@ bad:
                        {
                        total++;
                        j=certify(&x,argv[i],pkey,x509p,dgst,attribs,db,
-                               serial,subj,multirdn,email_dn,startdate,enddate,days,batch,
+                               serial,subj,chtype,multirdn,email_dn,startdate,enddate,days,batch,
                                extensions,conf,verbose, certopt, nameopt,
                                default_op, ext_copy, selfsign);
                        if (j < 0) goto err;
@@ -1246,7 +1282,7 @@ bad:
                        x=sk_X509_value(cert_sk,i);
 
                        j=x->cert_info->serialNumber->length;
-                       p=(char *)x->cert_info->serialNumber->data;
+                       p=(const char *)x->cert_info->serialNumber->data;
                        
                        if(strlen(outdir) >= (size_t)(j ? BSIZE-j*2-6 : BSIZE-8))
                                {
@@ -1337,7 +1373,7 @@ bad:
                                goto err;
                                }
 
-               if (!crldays && !crlhours)
+               if (!crldays && !crlhours && !crlsec)
                        {
                        if (!NCONF_get_number(conf,section,
                                ENV_DEFAULT_CRL_DAYS, &crldays))
@@ -1346,7 +1382,7 @@ bad:
                                ENV_DEFAULT_CRL_HOURS, &crlhours))
                                crlhours = 0;
                        }
-               if ((crldays == 0) && (crlhours == 0))
+               if ((crldays == 0) && (crlhours == 0) && (crlsec == 0))
                        {
                        BIO_printf(bio_err,"cannot lookup how long until the next CRL is issued\n");
                        goto err;
@@ -1360,14 +1396,14 @@ bad:
                if (!tmptm) goto err;
                X509_gmtime_adj(tmptm,0);
                X509_CRL_set_lastUpdate(crl, tmptm);    
-               X509_gmtime_adj(tmptm,(crldays*24+crlhours)*60*60);
+               X509_gmtime_adj(tmptm,(crldays*24+crlhours)*60*60 + crlsec);
                X509_CRL_set_nextUpdate(crl, tmptm);    
 
                ASN1_TIME_free(tmptm);
 
                for (i=0; i<sk_num(db->db->data); i++)
                        {
-                       pp=(char **)sk_value(db->db->data,i);
+                       pp=(const char **)sk_value(db->db->data,i);
                        if (pp[DB_type][0] == DB_TYPE_REV)
                                {
                                if ((r=X509_REVOKED_new()) == NULL) goto err;
@@ -1393,28 +1429,6 @@ bad:
 
                /* we now have a CRL */
                if (verbose) BIO_printf(bio_err,"signing CRL\n");
-               if (md != NULL)
-                       {
-                       if ((dgst=EVP_get_digestbyname(md)) == NULL)
-                               {
-                               BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
-                               goto err;
-                               }
-                       }
-               else
-                       {
-#ifndef OPENSSL_NO_DSA
-                       if (pkey->type == EVP_PKEY_DSA) 
-                               dgst=EVP_dss1();
-                       else
-#endif
-#ifndef OPENSSL_NO_ECDSA
-                       if (pkey->type == EVP_PKEY_EC)
-                               dgst=EVP_ecdsa();
-                       else
-#endif
-                               dgst=EVP_md5();
-                       }
 
                /* Add any extensions asked for */
 
@@ -1447,6 +1461,12 @@ bad:
                if (crlnumberfile != NULL)      /* we have a CRL number that need updating */
                        if (!save_serial(crlnumberfile,"new",crlnumber,NULL)) goto err;
 
+               if (crlnumber)
+                       {
+                       BN_free(crlnumber);
+                       crlnumber = NULL;
+                       }
+
                if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
 
                PEM_write_bio_X509_CRL(Sout,crl);
@@ -1499,24 +1519,26 @@ err:
        if (free_key && key)
                OPENSSL_free(key);
        BN_free(serial);
+       BN_free(crlnumber);
        free_index(db);
        EVP_PKEY_free(pkey);
        if (x509) X509_free(x509);
        X509_CRL_free(crl);
        NCONF_free(conf);
+       NCONF_free(extconf);
        OBJ_cleanup();
        apps_shutdown();
        OPENSSL_EXIT(ret);
        }
 
-static void lookup_fail(char *name, char *tag)
+static void lookup_fail(const char *name, const char *tag)
        {
        BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
        }
 
 static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
             const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
-            BIGNUM *serial, char *subj, int multirdn, int email_dn, char *startdate, char *enddate,
+            BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn, char *startdate, char *enddate,
             long days, int batch, char *ext_sect, CONF *lconf, int verbose,
             unsigned long certopt, unsigned long nameopt, int default_op,
             int ext_copy, int selfsign)
@@ -1572,7 +1594,7 @@ static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
        else
                BIO_printf(bio_err,"Signature ok\n");
 
-       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj, multirdn, email_dn,
+       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,chtype,multirdn, email_dn,
                startdate,enddate,days,batch,verbose,req,ext_sect,lconf,
                certopt, nameopt, default_op, ext_copy, selfsign);
 
@@ -1584,7 +1606,7 @@ err:
 
 static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
             const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
-            BIGNUM *serial, char *subj, int multirdn, int email_dn, char *startdate, char *enddate,
+            BIGNUM *serial, char *subj, unsigned long chtype, int multirdn, int email_dn, char *startdate, char *enddate,
             long days, int batch, char *ext_sect, CONF *lconf, int verbose,
             unsigned long certopt, unsigned long nameopt, int default_op,
             int ext_copy, ENGINE *e)
@@ -1626,7 +1648,7 @@ static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
        if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
                goto err;
 
-       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,multirdn,email_dn,startdate,enddate,
+       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,chtype,multirdn,email_dn,startdate,enddate,
                days,batch,verbose,rreq,ext_sect,lconf, certopt, nameopt, default_op,
                ext_copy, 0);
 
@@ -1638,7 +1660,7 @@ err:
 
 static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
             STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial, char *subj,
-            int multirdn,
+            unsigned long chtype, int multirdn,
             int email_dn, char *startdate, char *enddate, long days, int batch,
             int verbose, X509_REQ *req, char *ext_sect, CONF *lconf,
             unsigned long certopt, unsigned long nameopt, int default_op,
@@ -1654,7 +1676,7 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
        X509_NAME_ENTRY *tne,*push;
        EVP_PKEY *pktmp;
        int ok= -1,i,j,last,nid;
-       char *p;
+       const char *p;
        CONF_VALUE *cv;
        char *row[DB_NUMBER],**rrow=NULL,**irow=NULL;
        char buf[25];
@@ -1671,7 +1693,7 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
 
        if (subj)
                {
-               X509_NAME *n = parse_name(subj, MBSTRING_ASC, multirdn);
+               X509_NAME *n = parse_name(subj, chtype, multirdn);
 
                if (!n)
                        {
@@ -2093,25 +2115,11 @@ again2:
                        }
                }
 
-
-#ifndef OPENSSL_NO_DSA
-       if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
        pktmp=X509_get_pubkey(ret);
        if (EVP_PKEY_missing_parameters(pktmp) &&
                !EVP_PKEY_missing_parameters(pkey))
                EVP_PKEY_copy_parameters(pktmp,pkey);
        EVP_PKEY_free(pktmp);
-#endif
-#ifndef OPENSSL_NO_ECDSA
-       if (pkey->type == EVP_PKEY_EC)
-               dgst = EVP_ecdsa();
-       pktmp = X509_get_pubkey(ret);
-       if (EVP_PKEY_missing_parameters(pktmp) &&
-               !EVP_PKEY_missing_parameters(pkey))
-               EVP_PKEY_copy_parameters(pktmp, pkey);
-       EVP_PKEY_free(pktmp);
-#endif
-
 
        if (!X509_sign(ret,pkey,dgst))
                goto err;
@@ -2208,7 +2216,7 @@ static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext)
 
 static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
             const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
-            BIGNUM *serial, char *subj, int multirdn, int email_dn, char *startdate, char *enddate,
+            BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn, char *startdate, char *enddate,
             long days, char *ext_sect, CONF *lconf, int verbose, unsigned long certopt,
             unsigned long nameopt, int default_op, int ext_copy)
        {
@@ -2349,7 +2357,7 @@ static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
 
        X509_REQ_set_pubkey(req,pktmp);
        EVP_PKEY_free(pktmp);
-       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,multirdn,email_dn,startdate,enddate,
+       ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,chtype,multirdn,email_dn,startdate,enddate,
                   days,1,verbose,req,ext_sect,lconf, certopt, nameopt, default_op,
                        ext_copy, 0);
 err:
@@ -2662,7 +2670,7 @@ err:
        return (cnt);
        }
 
-static char *crl_reasons[] = {
+static const char *crl_reasons[] = {
        /* CRL reason strings */
        "unspecified",
        "keyCompromise",
@@ -2690,7 +2698,8 @@ static char *crl_reasons[] = {
 
 char *make_revocation_str(int rev_type, char *rev_arg)
        {
-       char *reason = NULL, *other = NULL, *str;
+       char *other = NULL, *str;
+       const char *reason = NULL;
        ASN1_OBJECT *otmp;
        ASN1_UTCTIME *revtm = NULL;
        int i;
@@ -2784,7 +2793,7 @@ char *make_revocation_str(int rev_type, char *rev_arg)
  */
 
 
-int make_revoked(X509_REVOKED *rev, char *str)
+int make_revoked(X509_REVOKED *rev, const char *str)
        {
        char *tmp = NULL;
        int reason_code = -1;
@@ -2877,7 +2886,7 @@ int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str)
        return 1;
        }
 
-int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)
+int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, const char *str)
        {
        char *tmp = NULL;
        char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;