1 /*
2  * Copyright (C) 2011-2020 Daniel Scharrer
3  *
4  * This software is provided 'as-is', without any express or implied
5  * warranty.  In no event will the author(s) be held liable for any damages
6  * arising from the use of this software.
7  *
8  * Permission is granted to anyone to use this software for any purpose,
9  * including commercial applications, and to alter it and redistribute it
10  * freely, subject to the following restrictions:
11  *
12  * 1. The origin of this software must not be misrepresented; you must not
13  *    claim that you wrote the original software. If you use this software
14  *    in a product, an acknowledgment in the product documentation would be
15  *    appreciated but is not required.
16  * 2. Altered source versions must be plainly marked as such, and must not be
17  *    misrepresented as being the original software.
18  * 3. This notice may not be removed or altered from any source distribution.
19  */
20 
21 #include "setup/file.hpp"
22 
23 #include "setup/info.hpp"
24 #include "setup/version.hpp"
25 #include "util/load.hpp"
26 #include "util/log.hpp"
27 #include "util/storedenum.hpp"
28 
29 namespace setup {
30 
31 namespace {
32 
33 enum file_copy_mode {
34 	cmNormal,
35 	cmIfDoesntExist,
36 	cmAlwaysOverwrite,
37 	cmAlwaysSkipIfSameOrOlder,
38 };
39 
40 STORED_ENUM_MAP(stored_file_copy_mode, cmNormal,
41 	cmNormal,
42 	cmIfDoesntExist,
43 	cmAlwaysOverwrite,
44 	cmAlwaysSkipIfSameOrOlder,
45 );
46 
47 STORED_ENUM_MAP(stored_file_type_0, file_entry::UserFile,
48 	file_entry::UserFile,
49 	file_entry::UninstExe,
50 );
51 
52 // win32, before 5.0.0
53 STORED_ENUM_MAP(stored_file_type_1, file_entry::UserFile,
54 	file_entry::UserFile,
55 	file_entry::UninstExe,
56 	file_entry::RegSvrExe,
57 );
58 
59 } // anonymous namespace
60 
61 } // namespace setup
62 
63 NAMED_ENUM(setup::file_copy_mode)
64 
65 NAMES(setup::file_copy_mode, "File Copy Mode",
66 	"normal",
67 	"if doesn't exist",
68 	"always overwrite",
69 	"always skip if same or older",
70 )
71 
72 namespace setup {
73 
load(std::istream & is,const info & i)74 void file_entry::load(std::istream & is, const info & i) {
75 
76 	USE_ENUM_NAMES(file_copy_mode)
77 
78 	options = 0;
79 
80 	if(i.version < INNO_VERSION(1, 3, 0)) {
81 		(void)util::load<boost::uint32_t>(is); // uncompressed size of the entry
82 	}
83 
84 	is >> util::encoded_string(source, i.codepage, i.header.lead_bytes);
85 	is >> util::encoded_string(destination, i.codepage, i.header.lead_bytes);
86 	is >> util::encoded_string(install_font_name, i.codepage, i.header.lead_bytes);
87 	if(i.version >= INNO_VERSION(5, 2, 5)) {
88 		is >> util::encoded_string(strong_assembly_name, i.codepage, i.header.lead_bytes);
89 	} else {
90 		strong_assembly_name.clear();
91 	}
92 
93 	load_condition_data(is, i);
94 
95 	load_version_data(is, i.version);
96 
97 	location = util::load<boost::uint32_t>(is, i.version.bits());
98 	attributes = util::load<boost::uint32_t>(is, i.version.bits());
99 	external_size = (i.version >= INNO_VERSION(4, 0, 0)) ? util::load<boost::uint64_t>(is)
100 	                                                     : util::load<boost::uint32_t>(is);
101 
102 	if(i.version < INNO_VERSION(3, 0, 5)) {
103 		file_copy_mode copyMode = stored_enum<stored_file_copy_mode>(is).get();
104 		switch(copyMode) {
105 			case cmNormal: options |= PromptIfOlder; break;
106 			case cmIfDoesntExist: options |= OnlyIfDoesntExist | PromptIfOlder; break;
107 			case cmAlwaysOverwrite: options |= IgnoreVersion | PromptIfOlder; break;
108 			case cmAlwaysSkipIfSameOrOlder: break;
109 		}
110 	}
111 
112 	if(i.version >= INNO_VERSION(4, 1, 0)) {
113 		permission = util::load<boost::int16_t>(is);
114 	} else {
115 		permission = boost::int16_t(-1);
116 	}
117 
118 	stored_flag_reader<flags> flagreader(is, i.version.bits());
119 
120 	flagreader.add(ConfirmOverwrite);
121 	flagreader.add(NeverUninstall);
122 	flagreader.add(RestartReplace);
123 	flagreader.add(DeleteAfterInstall);
124 	if(i.version.bits() != 16) {
125 		flagreader.add(RegisterServer);
126 		flagreader.add(RegisterTypeLib);
127 		flagreader.add(SharedFile);
128 	}
129 	if(i.version < INNO_VERSION(2, 0, 0) && !i.version.is_isx()) {
130 		flagreader.add(IsReadmeFile);
131 	}
132 	flagreader.add(CompareTimeStamp);
133 	flagreader.add(FontIsNotTrueType);
134 	if(i.version >= INNO_VERSION(1, 2, 5)) {
135 		flagreader.add(SkipIfSourceDoesntExist);
136 	}
137 	if(i.version >= INNO_VERSION(1, 2, 6)) {
138 		flagreader.add(OverwriteReadOnly);
139 	}
140 	if(i.version >= INNO_VERSION(1, 3, 21)) {
141 		flagreader.add(OverwriteSameVersion);
142 		flagreader.add(CustomDestName);
143 	}
144 	if(i.version >= INNO_VERSION(1, 3, 25)) {
145 		flagreader.add(OnlyIfDestFileExists);
146 	}
147 	if(i.version >= INNO_VERSION(2, 0, 5)) {
148 		flagreader.add(NoRegError);
149 	}
150 	if(i.version >= INNO_VERSION(3, 0, 1)) {
151 		flagreader.add(UninsRestartDelete);
152 	}
153 	if(i.version >= INNO_VERSION(3, 0, 5)) {
154 		flagreader.add(OnlyIfDoesntExist);
155 		flagreader.add(IgnoreVersion);
156 		flagreader.add(PromptIfOlder);
157 	}
158 	if(i.version >= INNO_VERSION(4, 0, 0) ||
159 	   (i.version.is_isx() && i.version >= INNO_VERSION_EXT(3, 0, 6, 1))) {
160 		flagreader.add(DontCopy);
161 	}
162 	if(i.version >= INNO_VERSION(4, 0, 5)) {
163 		flagreader.add(UninsRemoveReadOnly);
164 	}
165 	if(i.version >= INNO_VERSION(4, 1, 8)) {
166 		flagreader.add(RecurseSubDirsExternal);
167 	}
168 	if(i.version >= INNO_VERSION(4, 2, 1)) {
169 		flagreader.add(ReplaceSameVersionIfContentsDiffer);
170 	}
171 	if(i.version >= INNO_VERSION(4, 2, 5)) {
172 		flagreader.add(DontVerifyChecksum);
173 	}
174 	if(i.version >= INNO_VERSION(5, 0, 3)) {
175 		flagreader.add(UninsNoSharedFilePrompt);
176 	}
177 	if(i.version >= INNO_VERSION(5, 1, 0)) {
178 		flagreader.add(CreateAllSubDirs);
179 	}
180 	if(i.version >= INNO_VERSION(5, 1, 2)) {
181 		flagreader.add(Bits32);
182 		flagreader.add(Bits64);
183 	}
184 	if(i.version >= INNO_VERSION(5, 2, 0)) {
185 		flagreader.add(ExternalSizePreset);
186 		flagreader.add(SetNtfsCompression);
187 		flagreader.add(UnsetNtfsCompression);
188 	}
189 	if(i.version >= INNO_VERSION(5, 2, 5)) {
190 		flagreader.add(GacInstall);
191 	}
192 
193 	options |= flagreader;
194 
195 	if(i.version.bits() == 16 || i.version >= INNO_VERSION(5, 0, 0)) {
196 		type = stored_enum<stored_file_type_0>(is).get();
197 	} else {
198 		type = stored_enum<stored_file_type_1>(is).get();
199 	}
200 
201 	additional_locations.clear();
202 	checksum.type = crypto::None;
203 	size = 0;
204 
205 }
206 
207 } // namespace setup
208 
209 NAMES(setup::file_entry::flags, "File Option",
210 	"confirm overwrite",
211 	"never uninstall",
212 	"restart replace",
213 	"delete after install",
214 	"register server",
215 	"register type lib",
216 	"shared file",
217 	"compare timestamp",
218 	"font isn't truetype",
219 	"skip if source doesn't exist",
220 	"overwrite readonly",
221 	"overwrite same version",
222 	"custom destination name",
223 	"only if destination exists",
224 	"no reg error",
225 	"uninstall restart delete",
226 	"only if doesn't exist",
227 	"ignore version",
228 	"prompt if older",
229 	"don't copy",
230 	"uninstall remove readonly",
231 	"recurse subdirectories external",
232 	"replace same version if contents differ",
233 	"don't verify checksum",
234 	"uninstall no shared file prompt",
235 	"create all sub dirs",
236 	"32 bit",
237 	"64 bit",
238 	"external size preset",
239 	"set ntfs compression",
240 	"unset ntfs compression",
241 	"gac install",
242 	"readme",
243 )
244 
245 NAMES(setup::file_entry::file_type, "File Entry Type",
246 	"user file",
247 	"uninstaller exe",
248 	"reg server exe",
249 )
250