Convert save_serial() to work like save_index(), and add a
[openssl.git] / apps / apps.c
index be7a80acb8cf99d457fecf851086ce6cb6ae6f6c..ac9e3daa5e9e3245a24df81165457e535b820be1 100644 (file)
 #include <openssl/pkcs12.h>
 #include <openssl/ui.h>
 #include <openssl/safestack.h>
+#ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
+#endif
 
 #ifdef OPENSSL_SYS_WINDOWS
 #define strcasecmp _stricmp
 #include "apps.h"
 #undef NON_MAIN
 
-#ifdef OPENSSL_SYS_WINDOWS
-#  include "bss_file.c"
-#endif
-
 typedef struct {
        char *name;
        unsigned long flag;
@@ -337,8 +335,7 @@ void program_name(char *in, char *out, int size)
                p++;
        else
                p=in;
-       strncpy(out,p,size-1);
-       out[size-1]='\0';
+       BUF_strlcpy(out,p,size);
        }
 #endif
 #endif
@@ -346,6 +343,7 @@ void program_name(char *in, char *out, int size)
 #ifdef OPENSSL_SYS_WIN32
 int WIN32_rename(char *from, char *to)
        {
+#ifndef OPENSSL_SYS_WINCE
        /* Windows rename gives an error if 'to' exists, so delete it
         * first and ignore file not found errror
         */
@@ -353,6 +351,30 @@ int WIN32_rename(char *from, char *to)
                return -1;
 #undef rename
        return rename(from, to);
+#else
+       /* convert strings to UNICODE */
+       {
+       BOOL result = FALSE;
+       WCHAR* wfrom;
+       WCHAR* wto;
+       int i;
+       wfrom = malloc((strlen(from)+1)*2);
+       wto = malloc((strlen(to)+1)*2);
+       if (wfrom != NULL && wto != NULL)
+               {
+               for (i=0; i<(int)strlen(from)+1; i++)
+                       wfrom[i] = (short)from[i];
+               for (i=0; i<(int)strlen(to)+1; i++)
+                       wto[i] = (short)to[i];
+               result = MoveFile(wfrom, wto);
+               }
+       if (wfrom != NULL)
+               free(wfrom);
+       if (wto != NULL)
+               free(wto);
+       return result;
+       }
+#endif
        }
 #endif
 
@@ -447,16 +469,20 @@ int app_init(long mesgwin)
 
 int dump_cert_text (BIO *out, X509 *x)
 {
-       char buf[256];
-       X509_NAME_oneline(X509_get_subject_name(x),buf,256);
+       char *p;
+
+       p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
        BIO_puts(out,"subject=");
-       BIO_puts(out,buf);
+       BIO_puts(out,p);
+       OPENSSL_free(p);
 
-       X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
-       BIO_puts(out,"\nissuer= ");
-       BIO_puts(out,buf);
+       p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
+       BIO_puts(out,"\nissuer=");
+       BIO_puts(out,p);
        BIO_puts(out,"\n");
-        return 0;
+       OPENSSL_free(p);
+
+       return 0;
 }
 
 static int ui_open(UI *ui)
@@ -587,7 +613,7 @@ int password_callback(char *buf, int bufsiz, int verify,
 
                if (buff)
                        {
-                       memset(buff,0,(unsigned int)bufsiz);
+                       OPENSSL_cleanse(buff,(unsigned int)bufsiz);
                        OPENSSL_free(buff);
                        }
 
@@ -597,13 +623,13 @@ int password_callback(char *buf, int bufsiz, int verify,
                        {
                        BIO_printf(bio_err, "User interface error\n");
                        ERR_print_errors(bio_err);
-                       memset(buf,0,(unsigned int)bufsiz);
+                       OPENSSL_cleanse(buf,(unsigned int)bufsiz);
                        res = 0;
                        }
                if (ok == -2)
                        {
                        BIO_printf(bio_err,"aborted!\n");
-                       memset(buf,0,(unsigned int)bufsiz);
+                       OPENSSL_cleanse(buf,(unsigned int)bufsiz);
                        res = 0;
                        }
                UI_free(ui);
@@ -831,6 +857,7 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
                BIO_printf(err,"no keyfile specified\n");
                goto end;
                }
+#ifndef OPENSSL_NO_ENGINE
        if (format == FORMAT_ENGINE)
                {
                if (!e)
@@ -840,6 +867,7 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
                                ui_method, &cb_data);
                goto end;
                }
+#endif
        key=BIO_new(BIO_s_file());
        if (key == NULL)
                {
@@ -907,6 +935,7 @@ EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
                BIO_printf(err,"no keyfile specified\n");
                goto end;
                }
+#ifndef OPENSSL_NO_ENGINE
        if (format == FORMAT_ENGINE)
                {
                if (!e)
@@ -916,6 +945,7 @@ EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
                                ui_method, &cb_data);
                goto end;
                }
+#endif
        key=BIO_new(BIO_s_file());
        if (key == NULL)
                {
@@ -978,7 +1008,7 @@ load_netscape_key(BIO *err, BIO *key, const char *file,
                goto error;
        for (;;)
                {
-               if (!BUF_MEM_grow(buf,size+1024*10))
+               if (!BUF_MEM_grow_clean(buf,size+1024*10))
                        goto error;
                i = BIO_read(key, &(buf->data[size]), 1024*10);
                size += i;
@@ -1253,6 +1283,7 @@ void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
        char *buf;
        char mline = 0;
        int indent = 0;
+
        if(title) BIO_puts(out, title);
        if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
                mline = 1;
@@ -1300,6 +1331,7 @@ X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
        return NULL;
 }
 
+#ifndef OPENSSL_NO_ENGINE
 /* Try to load an engine in a shareable library */
 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
        {
@@ -1356,6 +1388,7 @@ ENGINE *setup_engine(BIO *err, const char *engine, int debug)
                }
         return e;
         }
+#endif
 
 int load_config(BIO *err, CONF *cnf)
        {
@@ -1374,3 +1407,572 @@ int load_config(BIO *err, CONF *cnf)
                }
        return 1;
        }
+
+char *make_config_name()
+       {
+       const char *t=X509_get_default_cert_area();
+       char *p;
+
+       p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
+       strcpy(p,t);
+#ifndef OPENSSL_SYS_VMS
+       strcat(p,"/");
+#endif
+       strcat(p,OPENSSL_CONF);
+
+       return p;
+       }
+
+static unsigned long index_serial_hash(const char **a)
+       {
+       const char *n;
+
+       n=a[DB_serial];
+       while (*n == '0') n++;
+       return(lh_strhash(n));
+       }
+
+static int index_serial_cmp(const char **a, const char **b)
+       {
+       const char *aa,*bb;
+
+       for (aa=a[DB_serial]; *aa == '0'; aa++);
+       for (bb=b[DB_serial]; *bb == '0'; bb++);
+       return(strcmp(aa,bb));
+       }
+
+static int index_name_qual(char **a)
+       { return(a[0][0] == 'V'); }
+
+static unsigned long index_name_hash(const char **a)
+       { return(lh_strhash(a[DB_name])); }
+
+int index_name_cmp(const char **a, const char **b)
+       { return(strcmp(a[DB_name],
+            b[DB_name])); }
+
+static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
+static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
+static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
+static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
+
+#undef BSIZE
+#define BSIZE 256
+
+BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
+       {
+       BIO *in=NULL;
+       BIGNUM *ret=NULL;
+       MS_STATIC char buf[1024];
+       ASN1_INTEGER *ai=NULL;
+
+       ai=ASN1_INTEGER_new();
+       if (ai == NULL) goto err;
+
+       if ((in=BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+
+       if (BIO_read_filename(in,serialfile) <= 0)
+               {
+               if (!create)
+                       {
+                       perror(serialfile);
+                       goto err;
+                       }
+               else
+                       {
+                       ASN1_INTEGER_set(ai,1);
+                       ret=BN_new();
+                       if (ret == NULL)
+                               BIO_printf(bio_err, "Out of memory\n");
+                       else
+                               BN_one(ret);
+                       }
+               }
+       else
+               {
+               if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
+                       {
+                       BIO_printf(bio_err,"unable to load number from %s\n",
+                               serialfile);
+                       goto err;
+                       }
+               ret=ASN1_INTEGER_to_BN(ai,NULL);
+               if (ret == NULL)
+                       {
+                       BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
+                       goto err;
+                       }
+               }
+
+       if (ret && retai)
+               {
+               *retai = ai;
+               ai = NULL;
+               }
+ err:
+       if (in != NULL) BIO_free(in);
+       if (ai != NULL) ASN1_INTEGER_free(ai);
+       return(ret);
+       }
+
+int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
+       {
+       char buf[1][BSIZE];
+       BIO *out = NULL;
+       int ret=0;
+       ASN1_INTEGER *ai=NULL;
+       int j;
+
+       if (suffix == NULL)
+               j = strlen(serialfile);
+       else
+               j = strlen(serialfile) + strlen(suffix) + 1;
+       if (j >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+       if (suffix == NULL)
+               BUF_strlcpy(buf[0], serialfile, BSIZE);
+       else
+               {
+#ifndef OPENSSL_SYS_VMS
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
+#else
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
+#endif
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
+       out=BIO_new(BIO_s_file());
+       if (out == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+       if (BIO_write_filename(out,buf[0]) <= 0)
+               {
+               perror(serialfile);
+               goto err;
+               }
+
+       if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
+               {
+               BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
+               goto err;
+               }
+       i2a_ASN1_INTEGER(out,ai);
+       BIO_puts(out,"\n");
+       ret=1;
+       if (retai)
+               {
+               *retai = ai;
+               ai = NULL;
+               }
+err:
+       if (out != NULL) BIO_free_all(out);
+       if (ai != NULL) ASN1_INTEGER_free(ai);
+       return(ret);
+       }
+
+int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
+       {
+       char buf[5][BSIZE];
+       int i,j;
+       struct stat sb;
+
+       i = strlen(serialfile) + strlen(old_suffix);
+       j = strlen(serialfile) + strlen(new_suffix);
+       if (i > j) j = i;
+       if (j + 1 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
+               serialfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
+               serialfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
+               serialfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
+               serialfile, old_suffix);
+#endif
+       if (stat(serialfile,&sb) < 0)
+               {
+               if (errno != ENOENT 
+#ifdef ENOTDIR
+                       && errno != ENOTDIR)
+#endif
+                       goto err;
+               }
+       else
+               {
+#ifdef RL_DEBUG
+               BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+                       serialfile, buf[1]);
+#endif
+               if (rename(serialfile,buf[1]) < 0)
+                       {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               serialfile, buf[1]);
+                       perror("reason");
+                       goto err;
+                       }
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[0],serialfile);
+#endif
+       if (rename(buf[0],serialfile) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[0],serialfile);
+               perror("reason");
+               rename(buf[1],serialfile);
+               goto err;
+               }
+       return 1;
+ err:
+       return 0;
+       }
+
+CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
+       {
+       CA_DB *retdb = NULL;
+       TXT_DB *tmpdb = NULL;
+       BIO *in = BIO_new(BIO_s_file());
+       CONF *dbattr_conf = NULL;
+       char buf[1][BSIZE];
+       long errorline= -1;
+
+       if (in == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+       if (BIO_read_filename(in,dbfile) <= 0)
+               {
+               perror(dbfile);
+               BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
+               goto err;
+               }
+       if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
+               {
+               if (tmpdb != NULL) TXT_DB_free(tmpdb);
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
+#else
+       BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
+#endif
+       dbattr_conf = NCONF_new(NULL);
+       if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
+               {
+               if (errorline > 0)
+                       {
+                       BIO_printf(bio_err,
+                               "error on line %ld of db attribute file '%s'\n"
+                               ,errorline,buf[0]);
+                       goto err;
+                       }
+               else
+                       {
+                       NCONF_free(dbattr_conf);
+                       dbattr_conf = NULL;
+                       }
+               }
+
+       if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
+               {
+               fprintf(stderr, "Out of memory\n");
+               goto err;
+               }
+
+       retdb->db = tmpdb;
+       tmpdb = NULL;
+       if (db_attr)
+               retdb->attributes = *db_attr;
+       else
+               {
+               retdb->attributes.unique_subject = 1;
+               }
+
+       if (dbattr_conf)
+               {
+               char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
+               if (p)
+                       {
+#ifdef RL_DEBUG
+                       BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
+#endif
+                       switch(*p)
+                               {
+                       case 'f': /* false */
+                       case 'F': /* FALSE */
+                       case 'n': /* no */
+                       case 'N': /* NO */
+                               retdb->attributes.unique_subject = 0;
+                               break;
+                       case 't': /* true */
+                       case 'T': /* TRUE */
+                       case 'y': /* yes */
+                       case 'Y': /* YES */
+                       default:
+                               retdb->attributes.unique_subject = 1;
+                               break;
+                               }
+                       }
+               }
+
+ err:
+       if (dbattr_conf) NCONF_free(dbattr_conf);
+       if (tmpdb) TXT_DB_free(tmpdb);
+       if (in) BIO_free_all(in);
+       return retdb;
+       }
+
+int index_index(CA_DB *db)
+       {
+       if (!TXT_DB_create_index(db->db, DB_serial, NULL,
+                               LHASH_HASH_FN(index_serial_hash),
+                               LHASH_COMP_FN(index_serial_cmp)))
+               {
+               BIO_printf(bio_err,
+                 "error creating serial number index:(%ld,%ld,%ld)\n",
+                                       db->db->error,db->db->arg1,db->db->arg2);
+                       return 0;
+               }
+
+       if (db->attributes.unique_subject
+               && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
+                       LHASH_HASH_FN(index_name_hash),
+                       LHASH_COMP_FN(index_name_cmp)))
+               {
+               BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
+                       db->db->error,db->db->arg1,db->db->arg2);
+               return 0;
+               }
+       return 1;
+       }
+
+int save_index(char *dbfile, char *suffix, CA_DB *db)
+       {
+       char buf[3][BSIZE];
+       BIO *out = BIO_new(BIO_s_file());
+       int j;
+
+       if (out == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+
+       j = strlen(dbfile) + strlen(suffix);
+       if (j + 6 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
+#else
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
+#endif
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
+       if (BIO_write_filename(out,buf[0]) <= 0)
+               {
+               perror(dbfile);
+               BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
+               goto err;
+               }
+       j=TXT_DB_write(out,db->db);
+       if (j <= 0) goto err;
+                       
+       BIO_free(out);
+
+       out = BIO_new(BIO_s_file());
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
+#endif
+       if (BIO_write_filename(out,buf[1]) <= 0)
+               {
+               perror(buf[2]);
+               BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
+               goto err;
+               }
+       BIO_printf(out,"unique_subject = %s\n",
+               db->attributes.unique_subject ? "yes" : "no");
+       BIO_free(out);
+
+       return 1;
+ err:
+       return 0;
+       }
+
+int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
+       {
+       char buf[5][BSIZE];
+       int i,j;
+       struct stat sb;
+
+       i = strlen(dbfile) + strlen(old_suffix);
+       j = strlen(dbfile) + strlen(new_suffix);
+       if (i > j) j = i;
+       if (j + 6 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
+#else
+       j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
+               dbfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
+               dbfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
+               dbfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
+               dbfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
+               dbfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
+               dbfile, old_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
+               dbfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
+               dbfile, old_suffix);
+#endif
+       if (stat(dbfile,&sb) < 0)
+               {
+               if (errno != ENOENT 
+#ifdef ENOTDIR
+                       && errno != ENOTDIR)
+#endif
+                       goto err;
+               }
+       else
+               {
+#ifdef RL_DEBUG
+               BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+                       dbfile, buf[1]);
+#endif
+               if (rename(dbfile,buf[1]) < 0)
+                       {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               dbfile, buf[1]);
+                       perror("reason");
+                       goto err;
+                       }
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[0],dbfile);
+#endif
+       if (rename(buf[0],dbfile) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[0],dbfile);
+               perror("reason");
+               rename(buf[1],dbfile);
+               goto err;
+               }
+       if (stat(buf[4],&sb) < 0)
+               {
+               if (errno != ENOENT 
+#ifdef ENOTDIR
+                       && errno != ENOTDIR)
+#endif
+                       goto err;
+               }
+       else
+               {
+#ifdef RL_DEBUG
+               BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+                       buf[4],buf[3]);
+#endif
+               if (rename(buf[4],buf[3]) < 0)
+                       {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               buf[4], buf[3]);
+                       perror("reason");
+                       rename(dbfile,buf[0]);
+                       rename(buf[1],dbfile);
+                       goto err;
+                       }
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[2],buf[4]);
+#endif
+       if (rename(buf[2],buf[4]) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[2],buf[4]);
+               perror("reason");
+               rename(buf[3],buf[4]);
+               rename(dbfile,buf[0]);
+               rename(buf[1],dbfile);
+               goto err;
+               }
+       return 1;
+ err:
+       return 0;
+       }
+
+void free_index(CA_DB *db)
+       {
+       if (db)
+               {
+               if (db->db) TXT_DB_free(db->db);
+               OPENSSL_free(db);
+               }
+       }