1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: init.cc,v 1.20 2003/02/09 20:31:05 doogie Exp $
/* ######################################################################
Init - Initialize the package library
##################################################################### */
/*}}}*/
// Include files /*{{{*/
#include <config.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/init.h>
#include <apt-pkg/macros.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/strutl.h>
#include <cstdlib>
#include <fstream>
#include <sstream>
#include <string>
#include <unordered_map>
#include <vector>
#include <string.h>
#include <apti18n.h>
/*}}}*/
#define Stringfy_(x) # x
#define Stringfy(x) Stringfy_(x)
const char *pkgVersion = PACKAGE_VERSION;
const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "."
Stringfy(APT_PKG_MINOR) "."
Stringfy(APT_PKG_RELEASE);
namespace APT {
APT_HIDDEN extern std::unordered_map<std::string, std::vector<std::string>> ArchToTupleMap;
}
// Splits by whitespace. There may be continuous spans of whitespace - they
// will be considered as one.
static std::vector<std::string> split(std::string const & s)
{
std::vector<std::string> vec;
std::istringstream iss(s);
iss.imbue(std::locale::classic());
for(std::string current_s; iss >> current_s; )
vec.push_back(current_s);
return vec;
}
// pkgInitArchTupleMap - Initialize the architecture tuple map /*{{{*/
// ---------------------------------------------------------------------
/* This initializes */
static bool pkgInitArchTupleMap()
{
auto tuplepath = _config->FindFile("Dir::dpkg::tupletable", DPKG_DATADIR "/tupletable");
auto tripletpath = _config->FindFile("Dir::dpkg::triplettable", DPKG_DATADIR "/triplettable");
auto cpupath = _config->FindFile("Dir::dpkg::cputable", DPKG_DATADIR "/cputable");
// Load a list of CPUs
std::vector<std::string> cpus;
std::ifstream cputable(cpupath);
for (std::string cpuline; std::getline(cputable, cpuline); )
{
if (cpuline[0] == '#' || cpuline[0] == '\0')
continue;
auto cpurow = split(cpuline);
auto cpu = APT::String::Strip(cpurow.at(0));
cpus.push_back(cpu);
}
if (!cputable.eof())
return _error->Error("Error reading the CPU table");
// Load the architecture tuple
std::ifstream tupletable;
if (FileExists(tuplepath))
tupletable.open(tuplepath);
else if (FileExists(tripletpath))
tupletable.open(tripletpath);
else
return _error->Error("Cannot find dpkg tuplet or triplet table");
APT::ArchToTupleMap.clear();
for (std::string tupleline; std::getline(tupletable, tupleline); )
{
if (tupleline[0] == '#' || tupleline[0] == '\0')
continue;
std::vector<std::string> tuplerow = split(tupleline);
auto tuple = APT::String::Strip(tuplerow.at(0));
auto arch = APT::String::Strip(tuplerow.at(1));
if (tuple.find("<cpu>") == tuple.npos && arch.find("<cpu>") == arch.npos)
{
APT::ArchToTupleMap.insert({arch, VectorizeString(tuple, '-')});
}
else
{
for (auto && cpu : cpus)
{
auto mytuple = SubstVar(tuple, std::string("<cpu>"), cpu);
auto myarch = SubstVar(arch, std::string("<cpu>"), cpu);
APT::ArchToTupleMap.insert({myarch, VectorizeString(mytuple, '-')});
}
}
}
if (!tupletable.eof())
return _error->Error("Error reading the Tuple table");
return true;
}
/*}}}*/
// pkgInitConfig - Initialize the configuration class /*{{{*/
// ---------------------------------------------------------------------
/* Directories are specified in such a way that the FindDir function will
understand them. That is, if they don't start with a / then their parent
is prepended, this allows a fair degree of flexability. */
bool pkgInitConfig(Configuration &Cnf)
{
// General APT things
Cnf.CndSet("APT::Architecture", COMMON_ARCH);
if (Cnf.Exists("APT::Build-Essential") == false)
Cnf.Set("APT::Build-Essential::", "build-essential");
Cnf.CndSet("APT::Install-Recommends", true);
Cnf.CndSet("APT::Install-Suggests", false);
Cnf.CndSet("Dir","/");
// State
Cnf.CndSet("Dir::State", STATE_DIR + 1);
Cnf.CndSet("Dir::State::lists","lists/");
Cnf.CndSet("Dir::State::cdroms","cdroms.list");
// Cache
Cnf.CndSet("Dir::Cache", CACHE_DIR + 1);
Cnf.CndSet("Dir::Cache::archives","archives/");
Cnf.CndSet("Dir::Cache::srcpkgcache","srcpkgcache.bin");
Cnf.CndSet("Dir::Cache::pkgcache","pkgcache.bin");
// Configuration
Cnf.CndSet("Dir::Etc", CONF_DIR + 1);
Cnf.CndSet("Dir::Etc::sourcelist","sources.list");
Cnf.CndSet("Dir::Etc::sourceparts","sources.list.d");
Cnf.CndSet("Dir::Etc::main","apt.conf");
Cnf.CndSet("Dir::Etc::netrc", "auth.conf");
Cnf.CndSet("Dir::Etc::parts","apt.conf.d");
Cnf.CndSet("Dir::Etc::preferences","preferences");
Cnf.CndSet("Dir::Etc::preferencesparts","preferences.d");
Cnf.CndSet("Dir::Etc::trusted", "trusted.gpg");
Cnf.CndSet("Dir::Etc::trustedparts","trusted.gpg.d");
Cnf.CndSet("Dir::Bin::methods", LIBEXEC_DIR "/methods");
Cnf.CndSet("Dir::Bin::solvers::",LIBEXEC_DIR "/solvers");
Cnf.CndSet("Dir::Bin::planners::",LIBEXEC_DIR "/planners");
Cnf.CndSet("Dir::Media::MountPath","/media/apt");
// State
Cnf.CndSet("Dir::Log", LOG_DIR + 1);
Cnf.CndSet("Dir::Log::Terminal","term.log");
Cnf.CndSet("Dir::Log::History","history.log");
Cnf.CndSet("Dir::Log::Planner","eipp.log.xz");
Cnf.Set("Dir::Ignore-Files-Silently::", "~$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.ucf-[a-z]+$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$");
Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$");
// Repository security
Cnf.CndSet("Acquire::AllowInsecureRepositories", false);
Cnf.CndSet("Acquire::AllowWeakRepositories", false);
Cnf.CndSet("Acquire::AllowDowngradeToInsecureRepositories", false);
// Default cdrom mount point
Cnf.CndSet("Acquire::cdrom::mount", "/media/cdrom/");
// The default user we drop to in the methods
Cnf.CndSet("APT::Sandbox::User", "_apt");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::MetaKey", "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatMetaKey", "Packages");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::ShortDescription", "Packages");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Description", "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::flatDescription", "$(RELEASE) Packages");
Cnf.CndSet("Acquire::IndexTargets::deb::Packages::Optional", false);
Cnf.CndSet("Acquire::IndexTargets::deb::Translations::MetaKey", "$(COMPONENT)/i18n/Translation-$(LANGUAGE)");
Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatMetaKey", "$(LANGUAGE)");
Cnf.CndSet("Acquire::IndexTargets::deb::Translations::ShortDescription", "Translation-$(LANGUAGE)");
Cnf.CndSet("Acquire::IndexTargets::deb::Translations::Description", "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)");
Cnf.CndSet("Acquire::IndexTargets::deb::Translations::flatDescription", "$(RELEASE) Translation-$(LANGUAGE)");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::MetaKey", "$(COMPONENT)/source/Sources");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatMetaKey", "Sources");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::ShortDescription", "Sources");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Description", "$(RELEASE)/$(COMPONENT) Sources");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::flatDescription", "$(RELEASE) Sources");
Cnf.CndSet("Acquire::IndexTargets::deb-src::Sources::Optional", false);
Cnf.CndSet("Acquire::Changelogs::URI::Origin::Debian", "http://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog");
Cnf.CndSet("Acquire::Changelogs::URI::Origin::Tanglu", "http://metadata.tanglu.org/changelogs/@CHANGEPATH@_changelog");
Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ubuntu", "https://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog");
Cnf.CndSet("Acquire::Changelogs::URI::Origin::Ultimedia", "http://packages.ultimediaos.com/changelogs/pool/@CHANGEPATH@/changelog.txt");
Cnf.CndSet("Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu", true);
// Read an alternate config file
_error->PushToStack();
const char *Cfg = getenv("APT_CONFIG");
if (Cfg != 0 && strlen(Cfg) != 0)
{
if (RealFileExists(Cfg) == true)
ReadConfigFile(Cnf, Cfg);
else
_error->WarningE("RealFileExists",_("Unable to read %s"),Cfg);
}
// Read the configuration parts dir
std::string const Parts = Cnf.FindDir("Dir::Etc::parts", "/dev/null");
if (DirectoryExists(Parts) == true)
ReadConfigDir(Cnf, Parts);
else if (APT::String::Endswith(Parts, "/dev/null") == false)
_error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());
// Read the main config file
std::string const FName = Cnf.FindFile("Dir::Etc::main", "/dev/null");
if (RealFileExists(FName) == true)
ReadConfigFile(Cnf, FName);
if (Cnf.FindB("Debug::pkgInitConfig",false) == true)
Cnf.Dump();
#ifdef APT_DOMAIN
if (Cnf.Exists("Dir::Locale"))
{
bindtextdomain(APT_DOMAIN,Cnf.FindDir("Dir::Locale").c_str());
bindtextdomain(textdomain(0),Cnf.FindDir("Dir::Locale").c_str());
}
#endif
auto const good = _error->PendingError() == false;
_error->MergeWithStack();
return good;
}
/*}}}*/
// pkgInitSystem - Initialize the _system calss /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
{
Sys = 0;
std::string Label = Cnf.Find("Apt::System","");
if (Label.empty() == false)
{
Sys = pkgSystem::GetSystem(Label.c_str());
if (Sys == 0)
return _error->Error(_("Packaging system '%s' is not supported"),Label.c_str());
}
else
{
signed MaxScore = 0;
for (unsigned I = 0; I != pkgSystem::GlobalListLen; I++)
{
signed Score = pkgSystem::GlobalList[I]->Score(Cnf);
if (Score > MaxScore)
{
MaxScore = Score;
Sys = pkgSystem::GlobalList[I];
}
}
if (Sys == 0)
return _error->Error(_("Unable to determine a suitable packaging system type"));
}
if (pkgInitArchTupleMap() == false)
return false;
return Sys->Initialize(Cnf);
}
/*}}}*/
|