src/types.h

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2006-2009 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  02110-1301  USA
  18 */
  19 #ifndef TYPES_H
  20 #define TYPES_H
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <assuan.h>
  27 #include <libpwmd.h>
  28
  29 #ifdef WITH_TCP
  30 #include <libssh2.h>
  31 #ifndef DNS_USE_GETTIMEOFDAY_FOR_ID
  32 #define DNS_USE_GETTIMEOFDAY_FOR_ID 1
  33 #endif
  34 #include <ares.h>
  35 #include <arpa/nameser.h>
  36 #endif
  37
  38 #ifdef WITH_LIBPTH
  39 #include <pth.h>
  40 #endif
  41
  42 #ifdef ENABLE_NLS
  43 #ifdef HAVE_SETLOCALE
  44 #include <locale.h>
  45 #endif
  46 #include "gettext.h"
  47 #define N_(msgid)       dgettext("libpwmd", msgid)
  48 #endif
  49
  50 #define N_ARRAY(a)      (sizeof(a)/sizeof(a[0]))
  51
  52 typedef enum {
  53     ASYNC_CMD_NONE,
  54 #ifdef WITH_TCP
  55     ASYNC_CMD_DNS,
  56     ASYNC_CMD_CONNECT,
  57     ASYNC_CMD_HOSTKEY,
  58 #endif
  59     ASYNC_CMD_OPEN,
  60     ASYNC_CMD_OPEN2,
  61     ASYNC_CMD_SAVE,
  62     ASYNC_CMD_SAVE2,
  63 } pwmd_async_cmd_t;
  64
  65 #ifdef WITH_TCP
  66 typedef enum {
  67     SSH_RESUME = -1,
  68     SSH_NONE,
  69     SSH_INIT,
  70     SSH_AUTHLIST,
  71     SSH_AUTH,
  72     SSH_AGENT,
  73     SSH_CHANNEL,
  74     SSH_SHELL
  75 } pwmd_ssh_async_t;
  76
  77 typedef struct {
  78     char *host;
  79     unsigned port;
  80     char *username;
  81     char *known_hosts;
  82     char *identity;
  83     char *identity_pub;
  84     int fd;
  85     gpg_error_t rc;
  86     ares_channel chan;
  87     int async;
  88     struct in_addr addr;
  89     int addrtype;
  90     LIBSSH2_SESSION *session;
  91     LIBSSH2_CHANNEL *channel;
  92     LIBSSH2_KNOWNHOSTS *kh;
  93     LIBSSH2_AGENT *agent;
  94     struct libssh2_agent_publickey *agent_identity;
  95     struct libssh2_agent_publickey *agent_identity_prev;
  96     struct libssh2_knownhost *hostent;
  97     struct libssh2_knownhost *hostent_ip;
  98     char *hostkey;
  99     pwmd_async_cmd_t cmd;
 100     pwmd_ssh_async_t state;
 101 } pwmd_tcp_conn_t;
 102 #endif
 103
 104 #define OPT_LOCK_ON_OPEN        0x01
 105 #define OPT_BASE64              0x02
 106
 107 struct pwm_s {
 108     assuan_context_t ctx;
 109 #ifdef WITH_TCP
 110     pwmd_tcp_conn_t *tcp_conn;
 111     pwmd_ip_version_t prot;
 112     pwmd_knownhost_cb_t kh_cb;
 113     void *kh_data;
 114     int use_agent;
 115 #endif
 116     int fd;
 117     pwmd_async_t state;
 118     pwmd_async_cmd_t cmd;
 119     pwmd_async_cmd_t lastcmd;
 120     char *result;       // not related to anything the client can see.
 121 #ifdef WITH_PINENTRY
 122     pid_t pid;          // for pinentry timeouts when used with ..async2().
 123     assuan_context_t pctx;
 124     int nb_fd;          // for pwmd_open/save_async2().
 125     pid_t nb_pid;
 126     char *_password;
 127 #endif
 128     int pinentry_tries;
 129     int pin_try;
 130     char *pinentry_path;
 131     char *pinentry_tty;
 132     char *pinentry_term;
 133     char *pinentry_display;
 134     char *lcctype;
 135     char *lcmessages;
 136     char *title;
 137     char *prompt;
 138     char *desc;
 139     char *password;
 140     char *filename;
 141     int pinentry_timeout;
 142     pwmd_passphrase_cb_t passfunc;
 143     void *passdata;
 144     pwmd_status_cb_t status_func;
 145     void *status_data;
 146     pwmd_inquire_cb_t inquire_func;
 147     void *inquire_data;
 148     size_t inquire_total;
 149     size_t inquire_sent;
 150 #ifdef WITH_QUALITY
 151     int (*_inquire_func)(void *, const char *);
 152     void *_inquire_data;
 153 #endif
 154     char *name;
 155     char *cipher;
 156     long iterations;
 157     unsigned opts;
 158 };
 159
 160 typedef struct {
 161     size_t len;
 162     void *buf;
 163 } membuf_t;
 164
 165 typedef struct {
 166     int fd;
 167     gpg_error_t error;
 168     char password[ASSUAN_LINELENGTH+1];
 169 } pwmd_nb_status_t;
 170
 171 gpg_error_t _assuan_command(pwm_t *pwm, assuan_context_t ctx,
 172         char **result, const char *cmd);
 173 gpg_error_t _connect_finalize(pwm_t *pwm);
 174
 175 #endif