1/*
2 scdgetinfoassuantransaction.cpp - Assuan Transaction to get information from scdaemon
3 Copyright (C) 2009 Klarälvdalens Datakonsult AB
4
5 This file is part of GPGME++.
6
7 GPGME++ is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public
9 License as published by the Free Software Foundation; either
10 version 2 of the License, or (at your option) any later version.
11
12 GPGME++ 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 Library General Public License for more details.
16
17 You should have received a copy of the GNU Library General Public License
18 along with GPGME++; see the file COPYING.LIB. If not, write to the
19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA.
21*/
22
23#include <config-gpgme++.h>
24
25#include "scdgetinfoassuantransaction.h"
26#include "error.h"
27#include "data.h"
28#include "util.h"
29
30#include <boost/algorithm/string/split.hpp>
31#include <boost/algorithm/string/classification.hpp>
32#include <boost/static_assert.hpp>
33
34#include <sstream>
35
36using namespace GpgME;
37using namespace boost;
38
39ScdGetInfoAssuanTransaction::ScdGetInfoAssuanTransaction( InfoItem item )
40 : AssuanTransaction(),
41 m_item( item ),
42 m_command(),
43 m_data()
44{
45
46}
47
48ScdGetInfoAssuanTransaction::~ScdGetInfoAssuanTransaction() {}
49
50static std::vector<std::string> to_reader_list( const std::string & s ) {
51 std::vector<std::string> result;
52 return split( result, s, is_any_of( "\n" ), token_compress_on );
53}
54
55static std::vector<std::string> to_app_list( const std::string & s ) {
56 return to_reader_list( s );
57}
58
59std::string ScdGetInfoAssuanTransaction::version() const {
60 if ( m_item == Version ) {
61 return m_data;
62 } else {
63 return std::string();
64 }
65}
66
67unsigned int ScdGetInfoAssuanTransaction::pid() const {
68 if ( m_item == Pid ) {
69 return to_pid( m_data );
70 } else {
71 return 0U;
72 }
73}
74
75std::string ScdGetInfoAssuanTransaction::socketName() const {
76 if ( m_item == SocketName ) {
77 return m_data;
78 } else {
79 return std::string();
80 }
81}
82
83char ScdGetInfoAssuanTransaction::status() const {
84 if ( m_item == Status && !m_data.empty() ) {
85 return m_data[0];
86 } else {
87 return '\0';
88 }
89}
90
91std::vector<std::string> ScdGetInfoAssuanTransaction::readerList() const {
92 if ( m_item == ReaderList ) {
93 return to_reader_list( m_data );
94 } else {
95 return std::vector<std::string>();
96 }
97}
98
99std::vector<std::string> ScdGetInfoAssuanTransaction::applicationList() const {
100 if ( m_item == ApplicationList ) {
101 return to_app_list( m_data );
102 } else {
103 return std::vector<std::string>();
104 }
105}
106
107static const char * scd_getinfo_tokens[] = {
108 "version",
109 "pid",
110 "socket_name",
111 "status",
112 "reader_list",
113 "deny_admin",
114 "app_list",
115};
116BOOST_STATIC_ASSERT( ( sizeof scd_getinfo_tokens / sizeof *scd_getinfo_tokens == ScdGetInfoAssuanTransaction::LastInfoItem ) );
117
118void ScdGetInfoAssuanTransaction::makeCommand() const {
119 assert( m_item >= 0 );
120 assert( m_item < LastInfoItem );
121 m_command = "SCD GETINFO ";
122 m_command += scd_getinfo_tokens[m_item];
123}
124
125const char * ScdGetInfoAssuanTransaction::command() const {
126 makeCommand();
127 return m_command.c_str();
128}
129
130Error ScdGetInfoAssuanTransaction::data( const char * data, size_t len ) {
131 m_data.append( data, len );
132 return Error();
133}
134
135Data ScdGetInfoAssuanTransaction::inquire( const char * name, const char * args, Error & err ) {
136 (void)name; (void)args; (void)err;
137 return Data::null;
138}
139
140Error ScdGetInfoAssuanTransaction::status( const char * status, const char * args ) {
141 (void)status; (void)args;
142 return Error();
143}
144