auth.h

   1 /*
   2  * Credentials related structures and routines for the main module of CNTLM
   3  *
   4  * CNTLM is free software; you can redistribute it and/or modify it under the
   5  * terms of the GNU General Public License as published by the Free Software
   6  * Foundation; either version 2 of the License, or (at your option) any later
   7  * version.
   8  *
   9  * CNTLM is distributed in the hope that it will be useful, but WITHOUT ANY
  10  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  12  * details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  16  * St, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * Copyright (c) 2007 David Kubicek
  19  *
  20  */
  21
  22 #ifndef _AUTH_H
  23 #define _AUTH_H
  24
  25 #include <stdint.h>
  26
  27 #include "utils.h"
  28
  29 /*
  30  * Although I always prefer structs with pointer refs, I need direct storage
  31  * here to be able to alloc/free it in one go. It is used in a plist_t which
  32  * frees its items, but not recursively.
  33  */
  34 struct auth_s {
  35         char user[MINIBUF_SIZE];
  36         char domain[MINIBUF_SIZE];
  37         char workstation[MINIBUF_SIZE];
  38         char passlm[MINIBUF_SIZE];
  39         char passnt[MINIBUF_SIZE];
  40         char passntlm2[MINIBUF_SIZE];
  41         int hashntlm2;
  42         int hashnt;
  43         int hashlm;
  44         uint32_t flags;
  45 };
  46
  47 #define auth_strcpy(creds, var, value) \
  48         if ((creds) && (value)) { \
  49                 strlcpy(((creds)->var), (value), MINIBUF_SIZE); \
  50         }
  51
  52 #define auth_memcpy(creds, var, value, len) \
  53         if ((creds) && (value)) { \
  54                 memcpy(((creds)->var), (value), MIN(len, MINIBUF_SIZE)); \
  55         }
  56
  57 /*
  58  * No free_auth() required, just use free()
  59  * new_auth() is also just a convenience malloc/memset() wrapper
  60  */
  61 extern struct auth_s *new_auth(void);
  62 extern struct auth_s *copy_auth(struct auth_s *dst, struct auth_s *src, int fullcopy);
  63 extern struct auth_s *dup_auth(struct auth_s *creds, int fullcopy);
  64 extern void dump_auth(struct auth_s *creds);
  65
  66 #endif /* _AUTH_H */