src/common.h

   1 /*
   2     Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
   3     Ben Kibbey <bjk@luxsci.net>
   4
   5     This file is part of pwmd.
   6
   7     Pwmd is free software: you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation, either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Pwmd is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with Pwmd.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20 #ifndef COMMON_H
  21 #define COMMON_H
  22
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <pthread.h>
  26 #include "pwmd-error.h"
  27 #include <gcrypt.h>
  28 #include <assuan.h>
  29 #include <stdint.h>
  30 #include <libxml/xmlerror.h>
  31 #include <pwd.h>
  32
  33 #ifdef ENABLE_NLS
  34 #ifdef HAVE_LOCALE_H
  35 #include <locale.h>
  36 #endif
  37 #endif
  38
  39 #ifdef HAVE_LIMITS_H
  40 #include <limits.h>
  41 #ifndef LINE_MAX
  42 #ifdef _POSIX2_LINE_MAX
  43 #define LINE_MAX _POSIX2_LINE_MAX
  44 #else
  45 #define LINE_MAX 2048
  46 #endif
  47 #endif
  48 #endif
  49
  50 #ifndef _
  51 #include "gettext.h"
  52 #define _(msgid) gettext(msgid)
  53 #endif
  54
  55 #ifdef WITH_GNUTLS
  56 #include "tls.h"
  57 #endif
  58 #include "status.h"
  59 #include "agent.h"
  60
  61 #define CLIENT_STATE_UNKNOWN    0
  62 #define CLIENT_STATE_INIT       1
  63 #define CLIENT_STATE_IDLE       2
  64 #define CLIENT_STATE_COMMAND    3
  65 #define CLIENT_STATE_DISCON     4
  66
  67 struct client_thread_s
  68 {
  69   pthread_t tid;
  70   char *name;
  71   int fd;
  72   pthread_mutex_t status_mutex;
  73   struct status_msg_s *msg_queue;
  74   int status_msg_pipe[2];
  75   int wrote_status;
  76   struct client_s *cl;
  77   int atfork;
  78   assuan_peercred_t peer;
  79   unsigned state;
  80 #ifdef WITH_GNUTLS
  81   int timeout;
  82   int buffer_timeout;
  83   int last_buffer_size;
  84   int remote;
  85   struct tls_s *tls;
  86   char *peeraddr;
  87 #endif
  88 };
  89
  90 struct client_s
  91 {
  92   assuan_context_t ctx;
  93   void *doc;                    /* xmlDocPtr */
  94   xmlErrorPtr xml_error;
  95   char *filename;
  96   unsigned char md5file[16];
  97   struct client_thread_s *thd;
  98   struct crypto_s *crypto;
  99   uint32_t opts;
 100   uint32_t flags;
 101   char *import_root;
 102   long lock_timeout;            /* In tenths of a second. */
 103   gpg_error_t last_rc;
 104   char *last_error;             /* ELOOP element path. */
 105   unsigned char *crc;           /* Of the data file. */
 106   struct pinentry_option_s pinentry_opts;
 107 };
 108
 109 pthread_key_t thread_name_key;
 110 pthread_mutex_t cn_mutex;
 111 struct slist_s *cn_thread_list;
 112 char **debug_level;
 113
 114 int assuan_log_cb (assuan_context_t ctx, void *data, unsigned cat,
 115                    const char *msg);
 116 void log_write (const char *fmt, ...);
 117 gpg_error_t send_error (assuan_context_t ctx, gpg_error_t e);
 118 gpg_error_t do_validate_peer (assuan_context_t ctx, const char *section,
 119                               assuan_peercred_t * peer);
 120 gpg_error_t acl_check_common (struct client_s *client, const char *user,
 121                               uid_t uid, gid_t gid, int *allowed);
 122 gpg_error_t peer_is_invoker(struct client_s *client);
 123 void update_client_state (struct client_s *client, unsigned s);
 124
 125 #endif