summaryrefslogtreecommitdiffstats
path: root/apt-private/private-update.cc
blob: cc0753c26dca014ac6c57c62926fbc5481329430 (plain)
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
// Include files							/*{{{*/
#include <config.h>

#include <apt-pkg/acquire-item.h>
#include <apt-pkg/acquire.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/metaindex.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/update.h>

#include <apt-private/acqprogress.h>
#include <apt-private/private-cachefile.h>
#include <apt-private/private-download.h>
#include <apt-private/private-output.h>
#include <apt-private/private-update.h>

#include <ostream>
#include <string>
#include <tuple>

#include <apti18n.h>
									/*}}}*/

// DoUpdate - Update the package lists					/*{{{*/
static bool isDebianBookwormRelease(pkgCache::RlsFileIterator const &RlsFile)
{
   std::tuple<std::string_view, std::string_view, std::string_view> const affected[] = {
      {"Debian", "Debian", "bookworm"},
      {"Debian", "Debian", "sid"},
   };
   if (RlsFile.end() || RlsFile->Origin == nullptr || RlsFile->Label == nullptr || RlsFile->Codename == nullptr)
      return false;
   std::tuple<std::string_view, std::string_view, std::string_view> const release{RlsFile.Origin(), RlsFile.Label(), RlsFile.Codename()};
   return std::find(std::begin(affected), std::end(affected), release) != std::end(affected);
}
static void suggestDebianNonFreeFirmware(char const *const repo, char const *const val,
					 char const *const from, char const *const to)
{
   // Both messages are reused from the ReleaseInfoChange feature in acquire-item.cc
   _error->Notice(_("Repository '%s' changed its '%s' value from '%s' to '%s'"), repo, val, from, to);
   std::string notes;
   strprintf(notes, "https://www.debian.org/releases/bookworm/%s/release-notes/ch-information.html#non-free-split", _config->Find("APT::Architecture").c_str());
   _error->Notice(_("More information about this can be found online in the Release notes at: %s"), notes.c_str());
}
bool DoUpdate(CommandLine &CmdL)
{
   if (CmdL.FileSize() != 1)
      return _error->Error(_("The update command takes no arguments"));
   return DoUpdate();
}

bool DoUpdate()
{
   CacheFile Cache;

   // Get the source list
   if (Cache.BuildSourceList() == false)
      return false;
   pkgSourceList *List = Cache.GetSourceList();

   // Just print out the uris an exit if the --print-uris flag was used
   if (_config->FindB("APT::Get::Print-URIs") == true)
   {
      // force a hashsum for compatibility reasons
      _config->CndSet("Acquire::ForceHash", "md5sum");

      // Populate it with the source selection and get all Indexes
      // (GetAll=true)
      aptAcquireWithTextStatus Fetcher;
      if (List->GetIndexes(&Fetcher,true) == false)
	 return false;

      std::string compExt = APT::Configuration::getCompressionTypes()[0];
      pkgAcquire::UriIterator I = Fetcher.UriBegin();
      for (; I != Fetcher.UriEnd(); ++I)
      {
         std::string FileName = flNotDir(I->Owner->DestFile);
         if(compExt.empty() == false && 
            APT::String::Endswith(FileName, compExt))
            FileName = FileName.substr(0, FileName.size() - compExt.size() - 1);
	 c1out << '\'' << I->URI << "' " << FileName << ' ' <<
	    std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl;
      }
      return true;
   }

   // do the work
   if (_config->FindB("APT::Get::Download",true) == true)
   {
      AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
      ListUpdate(Stat, *List);
   }

   if (_config->FindB("pkgCacheFile::Generate", true) == false)
      return true;

   // Rebuild the cache.
   pkgCacheFile::RemoveCaches();
   if (Cache.BuildCaches(false) == false)
      return false;

   bool const SLWarnings = _config->FindB("APT::Get::Update::SourceListWarnings", true);
   if (SLWarnings)
      List = Cache.GetSourceList();

   if (_config->FindB("APT::Get::Update::SourceListWarnings::APTAuth", SLWarnings))
   {
      constexpr std::string_view const affected_method[] = {"http", "https", "tor+http", "tor+https", "ftp"};
      for (auto *S : *List)
      {
	 URI uri(S->GetURI());
	 if (uri.User.empty() && uri.Password.empty())
	    continue;
	 // we can't really predict if a +http method supports everything http does,
	 // so we play it safe and use an allowlist here.
	 if (std::find(std::begin(affected_method), std::end(affected_method), uri.Access) != std::end(affected_method))
	    // TRANSLATOR: the first two are manpage references, the last the URI from a sources.list
	    _error->Notice(_("Usage of %s should be preferred over embedding login information directly in the %s entry for '%s'"),
			   "apt_auth.conf(5)", "sources.list(5)", URI::ArchiveOnly(uri).c_str());
      }
   }

   if (_config->FindB("APT::Get::Update::SourceListWarnings::NonFreeFirmware", SLWarnings))
   {
      // If a Debian source has a non-free component, suggest adding non-free-firmware
      bool found_affected_release = false;
      bool found_non_free = false;
      bool found_non_free_firmware = false;
      for (auto *S : *List)
      {
	 if (not isDebianBookwormRelease(S->FindInCache(Cache, false)))
	    continue;

	 for (auto PkgFile = Cache.GetPkgCache()->FileBegin(); not PkgFile.end(); ++PkgFile)
	 {
	    if (PkgFile.Flagged(pkgCache::Flag::NoPackages))
	       continue;
	    found_affected_release = true;
	    const auto * const comp = PkgFile.Component();
	    if (comp == nullptr)
	      continue;
	    if (strcmp(comp, "non-free") == 0)
	       found_non_free = true;
	    else if (strcmp(comp, "non-free-firmware") == 0)
	    {
	       found_non_free_firmware = true;
	       break;
	    }
	 }
	 if (found_non_free_firmware)
	    break;
      }
      if (not found_non_free_firmware && found_non_free && found_affected_release)
      {
	 /* See if a well-known firmware package is installable from this codename
	    if so, we likely operate with new apt on an old snapshot not supporting non-free-firmware */
	 bool suggest_non_free_firmware = true;
	 if (auto const Grp = Cache.GetPkgCache()->FindGrp("firmware-linux-nonfree"); not Grp.end())
	 {
	    for (auto Pkg = Grp.PackageList(); not Pkg.end() && suggest_non_free_firmware; Pkg = Grp.NextPkg(Pkg))
	    {
	       for (auto Ver = Pkg.VersionList(); not Ver.end(); ++Ver)
	       {
		  if (not Ver.Downloadable())
		     continue;
		  for (auto VerFile = Ver.FileList(); not VerFile.end(); ++VerFile)
		  {
		     auto const PkgFile = VerFile.File();
		     if (PkgFile.end())
			continue;
		     if (not isDebianBookwormRelease(PkgFile.ReleaseFile()))
			continue;
		     suggest_non_free_firmware = false;
		     break;
		  }
		  if (not suggest_non_free_firmware)
		     break;
	       }
	    }
	 }
	 if (suggest_non_free_firmware)
	    suggestDebianNonFreeFirmware("Debian bookworm", "non-free component", "non-free", "non-free non-free-firmware");
      }

      if (not found_non_free_firmware && not found_non_free && found_affected_release)
      {
	 /* Try to notify users who have installed firmware packages at some point, but
	    have not enabled non-free currently – they might want to opt into updates now */
	 APT::StringView const affected_pkgs[] = {
	    "amd64-microcode", "atmel-firmware", "bluez-firmware", "dahdi-firmware-nonfree",
	    "firmware-amd-graphics", "firmware-ast", "firmware-atheros", "firmware-bnx2",
	    "firmware-bnx2x", "firmware-brcm80211", "firmware-cavium", "firmware-intel-sound",
	    "firmware-intelwimax", "firmware-ipw2x00", "firmware-ivtv", "firmware-iwlwifi",
	    "firmware-libertas", "firmware-linux", "firmware-linux-nonfree", "firmware-misc-nonfree",
	    "firmware-myricom", "firmware-netronome", "firmware-netxen", "firmware-qcom-media",
	    "firmware-qcom-soc", "firmware-qlogic", "firmware-realtek", "firmware-realtek-rtl8723cs-bt",
	    "firmware-samsung", "firmware-siano", "firmware-sof-signed", "firmware-ti-connectivity",
	    "firmware-zd1211", "intel-microcode", "midisport-firmware", "raspi-firmware",
	 };
	 bool suggest_non_free_firmware = false;
	 for (auto pkgname : affected_pkgs)
	 {
	    auto const Grp = Cache.GetPkgCache()->FindGrp(pkgname);
	    if (Grp.end())
	       continue;
	    for (auto Pkg = Grp.PackageList(); not Pkg.end(); Pkg = Grp.NextPkg(Pkg))
	    {
	       auto const Ver = Pkg.CurrentVer();
	       if (Ver.end() || Ver.Downloadable())
		  continue;
	       bool another = false;
	       for (auto V = Pkg.VersionList(); not V.end(); ++V)
		  if (V.Downloadable())
		  {
		     another = true;
		     break;
		  }
	       if (another)
		  continue;
	       suggest_non_free_firmware = true;
	       break;
	    }
	    if (suggest_non_free_firmware)
	       break;
	 }
	 if (suggest_non_free_firmware)
	    suggestDebianNonFreeFirmware("Debian bookworm", "firmware component", "non-free", "non-free-firmware");
      }
   }

   if (_config->FindB("APT::Get::Update::SourceListWarnings::SignedBy", SLWarnings))
   {
      for (auto *S : *List)
      {
	 if (not S->HasFlag(metaIndex::Flag::DEB822) || not S->GetSignedBy().empty())
	    continue;

	 URI uri(S->GetURI());
	 // TRANSLATOR: the first is manpage reference, the last the URI from a sources.list
	 _error->Notice(_("Missing Signed-By in the %s entry for '%s'"),
			"sources.list(5)", URI::ArchiveOnly(uri).c_str());
      }
   }

   // show basic stats (if the user whishes)
   if (_config->FindB("APT::Cmd::Show-Update-Stats", false) == true)
   {
      int upgradable = 0;
      if (Cache.Open(false) == false)
         return false;
      for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() != true; ++I)
      {
         pkgDepCache::StateCache &state = Cache[I];
         if (I->CurrentVer != 0 && state.Upgradable() && state.CandidateVer != NULL)
            upgradable++;
      }
      const char *msg = P_(
         "%i package can be upgraded. Run 'apt list --upgradable' to see it.\n",
         "%i packages can be upgraded. Run 'apt list --upgradable' to see them.\n",
         upgradable);
      if (upgradable == 0)
         c1out << _("All packages are up to date.") << std::endl;
      else
         ioprintf(c1out, msg, upgradable);

      RunScripts("APT::Update::Post-Invoke-Stats");
   }

   return true;
}
									/*}}}*/