src/common.h

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2006-2007 Ben Kibbey <bjk@luxsci.net>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19 #ifndef COMMON_H
  20 #define COMMON_H
  21
  22 typedef struct {
  23     guchar filename[16];        // MD5
  24     guchar key[32];             // SHA256/AES256/gcrykeysize
  25     gboolean used;
  26     gint timeout;               // To reset .when after the key has been timed out.
  27     gint when;
  28 } file_cache_t;
  29
  30 struct client_s {
  31     GSource *src;
  32     gchar **outbuf;
  33     GPollFD gfd;
  34     GIOChannel *ioc;
  35     xmlDocPtr doc;
  36     xmlTextReaderPtr reader;
  37     gchar *xml;
  38     gsize len;
  39     gint state;
  40     gcry_cipher_hd_t gh;
  41     gchar *filename;
  42     guchar md5file[16];
  43     time_t mtime;
  44 };
  45
  46 gcry_error_t gcryerrno;
  47 gsize gcrykeysize, gcryblocksize;
  48 void *shm_data;
  49 glong cache_size;
  50
  51 void log_write(const gchar *fmt, ...);
  52 void send_to_client(struct client_s *client, const gchar *fmt, ...);
  53 void send_error(struct client_s *client, int pwmd_errno);
  54 gchar **split_input_line(gchar *str, gchar *delim, gint n);
  55 gint cache_file_count();
  56 gboolean cache_add_file(const guchar *md5file, const guchar *shakey);
  57 gboolean decrypt_xml(gcry_cipher_hd_t gh, void *outbuf, gsize outsize,
  58         void *inbuf, gsize insize);
  59 gint open_file(const gchar *filename, struct stat *st);
  60 void xfree(void *ptr);
  61 void *xmalloc(size_t size);
  62 void *xrealloc(void *ptr, size_t size);
  63 char *xstrdup(const char *str);
  64 gboolean do_xml_encrypt(struct client_s *client, gcry_cipher_hd_t gh,
  65         const gchar *filename, const xmlChar *data, size_t insize,
  66         const guchar *shakey, guint iter);
  67 gboolean cache_test(const guchar *md5filename, gint reset);
  68 gboolean cache_set_timeout(const guchar *md5filename, glong timeout);
  69 gboolean cache_iscached(const guchar *md5filename);
  70 gint get_key_file_integer(const gchar *section, const gchar *what);
  71 gboolean get_key_file_boolean(const gchar *section, const gchar *what);
  72 gchar *get_key_file_string(const gchar *section, const gchar *what);
  73 gchar *expand_homedir(gchar *str);
  74
  75 #endif