src/agent.h

   1 /*
   2     Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
   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 AGENT_H
  21 #define AGENT_H
  22
  23 #include "pinentry.h"
  24
  25 struct inquire_data_s
  26 {
  27   struct crypto_s *crypto;
  28   char *line;
  29   size_t len;
  30   int preset;
  31 };
  32
  33 struct agent_s
  34 {
  35   assuan_context_t ctx;
  36   assuan_context_t client_ctx;
  37   membuf_t data;
  38   gpg_error_t (*inquire_cb) (void *data, const char *line);
  39   void *inquire_data;
  40   void *inquire_data2;
  41   void *inquire_data3;
  42   struct pinentry_option_s pinentry_opts;
  43   int restart;
  44   int did_restart;
  45   size_t inquire_maxlen;
  46 };
  47
  48 void cleanup_agent (struct agent_s *agent);
  49 gpg_error_t send_to_agent (struct agent_s *agent, char **result, size_t * len,
  50                            const char *fmt, ...);
  51 gpg_error_t agent_init (struct agent_s **);
  52 gpg_error_t encrypt_data_file (assuan_context_t ctx, struct crypto_s *crypto,
  53                                gcry_sexp_t pubkey, gcry_sexp_t sigpkey,
  54                                const char *filename, const void *xml,
  55                                size_t len);
  56
  57 gpg_error_t generate_key (struct crypto_s *, char *, int, int);
  58 gpg_error_t set_agent_option (struct agent_s *agent, const char *name,
  59                               const char *value);
  60 gpg_error_t set_agent_passphrase (struct crypto_s *crypto, const char *key,
  61                                   size_t len);
  62 gpg_error_t set_pinentry_mode (struct agent_s *agent, const char *mode);
  63 gpg_error_t get_pubkey (struct crypto_s *crypto, const char *hexgrip,
  64                         gcry_sexp_t * result);
  65 gpg_error_t get_pubkey_bin (struct crypto_s *crypto,
  66                             const unsigned char *grip, gcry_sexp_t * result);
  67 gpg_error_t agent_set_pinentry_options (struct agent_s *agent);
  68 gpg_error_t agent_export_common (struct crypto_s *crypto, const char *keygrip,
  69                                  const char *sign_keygrip, int no_passphrase,
  70                                  const void *data, size_t datalen,
  71                                  const char *outfile, const char *keyparams,
  72                                  const char *keyfile);
  73 char *default_key_params (struct crypto_s *crypto);
  74 gpg_error_t agent_loopback_cb (void *user, const char *keyword);
  75 gpg_error_t agent_passwd (struct crypto_s *crypto);
  76 gpg_error_t kill_scd (struct agent_s *);
  77 gpg_error_t agent_extract_key (struct crypto_s *crypto, unsigned char **result,
  78                                size_t * result_len);
  79 gpg_error_t agent_verify (gcry_sexp_t pkey, gcry_sexp_t sig_sexp,
  80                           const void *data, size_t len);
  81 gpg_error_t send_agent_common_options (struct agent_s *agent);
  82
  83 #endif