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 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <pth.h>
  25
  26 #define _ASSUAN_ONLY_GPG_ERRORS 1
  27 #include <assuan.h>
  28
  29 #include "gettext.h"
  30 #define N_(msgid)       gettext(msgid)
  31
  32 enum {
  33     STATE_CONNECTED,
  34     STATE_OPEN
  35 };
  36
  37 typedef enum {
  38     INQUIRE_INIT,
  39     INQUIRE_BUSY,
  40     INQUIRE_DONE
  41 } inquire_status_t;
  42
  43 #ifdef WITH_PINENTRY
  44 typedef enum {
  45     PINENTRY_NONE,
  46     PINENTRY_INIT,
  47     PINENTRY_RUNNING
  48 } pinentry_status_t;
  49
  50 typedef struct {
  51     gint fd;
  52     gchar key[ASSUAN_LINELENGTH];
  53     gpg_error_t error;
  54 } pinentry_key_s;
  55
  56 enum {
  57     PINENTRY_OPEN,
  58     PINENTRY_SAVE
  59 };
  60
  61 typedef gpg_error_t (*pinentry_finalize_cb)(assuan_context_t, guchar *, gboolean);
  62
  63 struct pinentry_s {
  64     gboolean use;
  65     gint which;
  66     gchar *filename;
  67     assuan_context_t ctx;
  68     pinentry_finalize_cb cb;
  69     pid_t pid;
  70     gint fd;
  71     pinentry_status_t status;
  72     gchar *title;
  73     gchar *desc;
  74     gchar *prompt;
  75     gchar *ttyname;
  76     gchar *ttytype;
  77     gchar *display;
  78     gchar *path;
  79     gint timeout;
  80 };
  81 #endif
  82
  83 typedef struct {
  84     gint iter;
  85     guchar iv[16];      /* FIXME: is this portable? */
  86 } file_header_t;
  87
  88 struct client_thread_s {
  89     pth_t tid;
  90     gint fd;
  91     pth_event_t ev;
  92     pth_t keepalive_tid;
  93     struct client_s *cl;
  94     struct client_thread_s *next;
  95 };
  96
  97 struct client_s {
  98     assuan_context_t ctx;
  99 #ifdef WITH_PINENTRY
 100     struct pinentry_s *pinentry;
 101 #endif
 102     gint fd;
 103     gpointer doc; /* xmlDocPtr */
 104     gpointer xml;
 105     gint len;
 106     gint state;
 107     gcry_cipher_hd_t gh;
 108     gchar *filename;
 109     guchar md5file[16];
 110     gboolean new;
 111     gboolean freed;
 112     time_t mtime;
 113     gboolean has_lock;
 114     inquire_status_t inquire_status;
 115     struct client_thread_s *thd;
 116 };
 117
 118 gsize gcrykeysize, gcryblocksize;
 119 GKeyFile *keyfileh;
 120 gboolean log_syslog;
 121 gint zlib_bufsize;
 122
 123 void log_write(const gchar *fmt, ...);
 124 gpg_error_t send_error(assuan_context_t ctx, gpg_error_t pwmd_errno);
 125 gpg_error_t send_syserror(assuan_context_t ctx, int e);
 126 gint open_file(const gchar *filename, struct stat *st);
 127 gpg_error_t do_xml_encrypt(struct client_s *client, gcry_cipher_hd_t gh,
 128         const gchar *filename, gpointer data, size_t insize, guchar *shakey,
 129         gint iter);
 130 gint get_key_file_integer(const gchar *section, const gchar *what);
 131 gboolean get_key_file_boolean(const gchar *section, const gchar *what);
 132 gchar *get_key_file_string(const gchar *section, const gchar *what);
 133 gchar *expand_homedir(gchar *str);
 134 gboolean strv_printf(gchar ***array, const gchar *fmt, ...);
 135 gboolean valid_filename(const gchar *filename);
 136 gboolean do_compress(assuan_context_t ctx, gint level, gpointer data,
 137         gint size, gpointer *out, glong *outsize, gint *error);
 138 void free_client(struct client_s *client);
 139
 140 #endif