release/src/router/dropbear/common-runopts.c

   1 /*
   2  * Dropbear - a SSH2 server
   3  *
   4  * Copyright (c) 2002,2003 Matt Johnston
   5  * All rights reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE. */
  24
  25 #include "includes.h"
  26 #include "runopts.h"
  27 #include "signkey.h"
  28 #include "buffer.h"
  29 #include "dbutil.h"
  30 #include "auth.h"
  31
  32 runopts opts; /* GLOBAL */
  33
  34 /* returns success or failure, and the keytype in *type. If we want
  35  * to restrict the type, type can contain a type to return */
  36 int readhostkey(const char * filename, sign_key * hostkey, int *type) {
  37
  38         int ret = DROPBEAR_FAILURE;
  39         buffer *buf;
  40
  41         buf = buf_new(MAX_PRIVKEY_SIZE);
  42
  43         if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
  44                 goto out;
  45         }
  46         buf_setpos(buf, 0);
  47         if (buf_get_priv_key(buf, hostkey, type) == DROPBEAR_FAILURE) {
  48                 goto out;
  49         }
  50
  51         ret = DROPBEAR_SUCCESS;
  52 out:
  53
  54         buf_burn(buf);
  55         buf_free(buf);
  56         return ret;
  57 }