// Include Files /*{{{*/
#include <config.h>
+#include <apt-pkg/algorithms.h>
#include <apt-pkg/error.h>
#include <apt-pkg/cacheset.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/prettyprinters.h>
+#include <apt-pkg/packagemanager.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/edsp.h>
#include <apt-pkg/tagfile.h>
#include <apt-pkg/strutl.h>
+#include <apt-pkg/string_view.h>
#include <apt-pkg/pkgsystem.h>
+#include <sys/stat.h>
#include <ctype.h>
#include <stddef.h>
#include <string.h>
static bool SkipUnavailableVersions(pkgDepCache &Cache, pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const &Ver)/*{{{*/
{
/* versions which aren't current and aren't available in
- any "online" source file are bad, expect if they are the choosen
+ any "online" source file are bad, expect if they are the chosen
candidate: The exception is for build-dep implementation as it creates
such pseudo (package) versions and removes them later on again.
We filter out versions at all so packages in 'rc' state only available
Progress->Progress(p);
}
}
- return true;
+ return Okay;
}
/*}}}*/
// EDSP::WriteLimitedScenario - to the given file descriptor /*{{{*/
WriteOkay(Okay, output, "Forbid-New-Install: yes\n");
if (flags & Request::FORBID_REMOVE)
WriteOkay(Okay, output, "Forbid-Remove: yes\n");
+ auto const solver = _config->Find("APT::Solver", "internal");
+ WriteOkay(Okay, output, "Solver: ", solver, "\n");
if (_config->FindB("APT::Solver::Strict-Pinning", true) == false)
WriteOkay(Okay, output, "Strict-Pinning: no\n");
string solverpref("APT::Solver::");
- solverpref.append(_config->Find("APT::Solver", "internal")).append("::Preferences");
+ solverpref.append(solver).append("::Preferences");
if (_config->Exists(solverpref) == true)
WriteOkay(Okay, output, "Preferences: ", _config->Find(solverpref,""), "\n");
return WriteOkay(Okay, output, "\n");
}
FileFd in;
- in.OpenDescriptor(input, FileFd::ReadOnly);
+ in.OpenDescriptor(input, FileFd::ReadOnly, true);
pkgTagFile response(&in, 100);
pkgTagSection section;
return false;
} else if (section.Exists("Autoremove") == true)
type = "Autoremove";
- else
+ else {
+ char const *Start, *End;
+ section.GetSection(Start, End);
+ _error->Warning("Encountered an unexpected section with %d fields: %s", section.Count(), std::string(Start, End).c_str());
continue;
+ }
size_t const id = section.FindULL(type.c_str(), VersionCount);
if (id == VersionCount) {
// StringToBool - convert yes/no to bool /*{{{*/
// ---------------------------------------------------------------------
/* we are not as lazy as we are in the global StringToBool as we really
- only accept yes/no here - but we will ignore leading spaces */
-static bool StringToBool(char const *answer, bool const defValue) {
- for (; isspace(*answer) != 0; ++answer);
- if (strncasecmp(answer, "yes", 3) == 0)
+ only accept yes/no here */
+static bool localStringToBool(std::string answer, bool const defValue) {
+ std::transform(answer.begin(), answer.end(), answer.begin(), ::tolower);
+ if (answer == "yes")
return true;
- else if (strncasecmp(answer, "no", 2) == 0)
+ else if (answer == "no")
return false;
else
- _error->Warning("Value '%s' is not a boolean 'yes' or 'no'!", answer);
+ _error->Warning("Value '%s' is not a boolean 'yes' or 'no'!", answer.c_str());
return defValue;
}
/*}}}*/
-static bool ReadFlag(unsigned int &flags, std::string const &line, APT::StringView const name, unsigned int const setflag)/*{{{*/
+static bool LineStartsWithAndStrip(std::string &line, APT::StringView const with)/*{{{*/
{
- if (line.compare(0, name.length(), name.data()) != 0)
+ if (line.compare(0, with.size(), with.data()) != 0)
return false;
- auto const l = line.c_str() + name.length() + 1;
- if (StringToBool(l, false))
+ line = APT::String::Strip(line.substr(with.length()));
+ return true;
+}
+ /*}}}*/
+static bool ReadFlag(unsigned int &flags, std::string &line, APT::StringView const name, unsigned int const setflag)/*{{{*/
+{
+ if (LineStartsWithAndStrip(line, name) == false)
+ return false;
+ if (localStringToBool(line, false))
flags |= setflag;
else
flags &= ~setflag;
if (line.empty() == true)
continue;
// The first Tag must be a request, so search for it
- if (line.compare(0, 8, "Request:") != 0)
+ if (LineStartsWithAndStrip(line, "Request:"))
continue;
while (ReadLine(input, line) == true)
return true;
std::list<std::string> *request = NULL;
- if (line.compare(0, 8, "Install:") == 0)
- {
- line.erase(0, 8);
+ if (LineStartsWithAndStrip(line, "Install:"))
request = &install;
- }
- else if (line.compare(0, 7, "Remove:") == 0)
- {
- line.erase(0, 7);
+ else if (LineStartsWithAndStrip(line, "Remove:"))
request = &remove;
- }
else if (ReadFlag(flags, line, "Upgrade:", (Request::UPGRADE_ALL | Request::FORBID_REMOVE | Request::FORBID_NEW_INSTALL)) ||
ReadFlag(flags, line, "Dist-Upgrade:", Request::UPGRADE_ALL) ||
ReadFlag(flags, line, "Upgrade-All:", Request::UPGRADE_ALL) ||
ReadFlag(flags, line, "Forbid-Remove:", Request::FORBID_REMOVE) ||
ReadFlag(flags, line, "Autoremove:", Request::AUTOREMOVE))
;
- else if (line.compare(0, 13, "Architecture:") == 0)
- _config->Set("APT::Architecture", line.c_str() + 14);
- else if (line.compare(0, 14, "Architectures:") == 0)
- {
- std::string const archs = line.c_str() + 15;
- _config->Set("APT::Architectures", SubstVar(archs, " ", ","));
- }
- else if (line.compare(0, 7, "Solver:") == 0)
+ else if (LineStartsWithAndStrip(line, "Architecture:"))
+ _config->Set("APT::Architecture", line);
+ else if (LineStartsWithAndStrip(line, "Architectures:"))
+ _config->Set("APT::Architectures", SubstVar(line, " ", ","));
+ else if (LineStartsWithAndStrip(line, "Solver:"))
; // purely informational line
else
_error->Warning("Unknown line in EDSP Request stanza: %s", line.c_str());
if (request == NULL)
continue;
- size_t end = line.length();
- do {
- size_t begin = line.rfind(' ');
- if (begin == std::string::npos)
- {
- request->push_back(line.substr(0, end));
- break;
- }
- else if (begin < end)
- request->push_back(line.substr(begin + 1, end));
- line.erase(begin);
- end = line.find_last_not_of(' ');
- } while (end != std::string::npos);
+ auto const pkgs = VectorizeString(line, ' ');
+ std::move(pkgs.begin(), pkgs.end(), std::back_inserter(*request));
}
}
return false;
/*}}}*/
// EDSP::WriteProgess - pulse to the given file descriptor /*{{{*/
bool EDSP::WriteProgress(unsigned short const percent, const char* const message, FILE* output) {
- fprintf(output, "Progress: %s\n", TimeRFC1123(time(NULL)).c_str());
+ fprintf(output, "Progress: %s\n", TimeRFC1123(time(NULL), true).c_str());
fprintf(output, "Percentage: %d\n", percent);
fprintf(output, "Message: %s\n\n", message);
fflush(output);
return true;
}
bool EDSP::WriteProgress(unsigned short const percent, const char* const message, FileFd &output) {
- return WriteOkay(output, "Progress: ", TimeRFC1123(time(NULL)), "\n",
+ return WriteOkay(output, "Progress: ", TimeRFC1123(time(NULL), true), "\n",
"Percentage: ", percent, "\n",
"Message: ", message, "\n\n") && output.Flush();
}
"\n\n");
}
/*}}}*/
+static std::string findExecutable(std::vector<std::string> const &dirs, char const * const binary) {/*{{{*/
+ for (auto && dir : dirs) {
+ std::string const file = flCombine(dir, binary);
+ if (RealFileExists(file) == true)
+ return file;
+ }
+ return "";
+}
+ /*}}}*/
static pid_t ExecuteExternal(char const* const type, char const * const binary, char const * const configdir, int * const solver_in, int * const solver_out) {/*{{{*/
- std::vector<std::string> const solverDirs = _config->FindVector(configdir);
- std::string file;
- for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
- dir != solverDirs.end(); ++dir) {
- file = flCombine(*dir, binary);
- if (RealFileExists(file.c_str()) == true)
- break;
- file.clear();
+ auto const solverDirs = _config->FindVector(configdir);
+ auto const file = findExecutable(solverDirs, binary);
+ std::string dumper;
+ {
+ dumper = findExecutable(solverDirs, "apt-dump-solver");
+ if (dumper.empty())
+ dumper = findExecutable(solverDirs, "dump");
}
if (file.empty() == true)
if (Solver == 0) {
dup2(external[0], STDIN_FILENO);
dup2(external[3], STDOUT_FILENO);
- const char* calling[2] = { file.c_str(), 0 };
- execv(calling[0], (char**) calling);
+ auto const dumpfile = _config->FindFile((std::string("Dir::Log::") + type).c_str());
+ auto const dumpdir = flNotFile(dumpfile);
+ auto const runasuser = _config->Find(std::string("APT::") + type + "::" + binary + "::RunAsUser",
+ _config->Find(std::string("APT::") + type + "::RunAsUser",
+ _config->Find("APT::Sandbox::User")));
+ if (dumper.empty() || dumpfile.empty() || dumper == file || CreateAPTDirectoryIfNeeded(dumpdir, dumpdir) == false)
+ {
+ _config->Set("APT::Sandbox::User", runasuser);
+ DropPrivileges();
+ char const * const calling[] = { file.c_str(), nullptr };
+ execv(calling[0], const_cast<char**>(calling));
+ }
+ else
+ {
+ char const * const calling[] = { dumper.c_str(), "--user", runasuser.c_str(), dumpfile.c_str(), file.c_str(), nullptr };
+ execv(calling[0], const_cast<char**>(calling));
+ }
std::cerr << "Failed to execute " << type << " '" << binary << "'!" << std::endl;
_exit(100);
}
return true;
}
/*}}}*/
+static bool CreateDumpFile(char const * const id, char const * const type, FileFd &output)/*{{{*/
+{
+ auto const dumpfile = _config->FindFile((std::string("Dir::Log::") + type).c_str());
+ if (dumpfile.empty())
+ return false;
+ auto const dumpdir = flNotFile(dumpfile);
+ _error->PushToStack();
+ bool errored_out = CreateAPTDirectoryIfNeeded(dumpdir, dumpdir) == false ||
+ output.Open(dumpfile, FileFd::WriteOnly | FileFd::Exclusive | FileFd::Create, FileFd::Extension, 0644) == false;
+ std::vector<std::string> downgrademsgs;
+ while (_error->empty() == false)
+ {
+ std::string msg;
+ _error->PopMessage(msg);
+ downgrademsgs.emplace_back(std::move(msg));
+ }
+ _error->RevertToStack();
+ for (auto && msg : downgrademsgs)
+ _error->Warning("%s", msg.c_str());
+ if (errored_out)
+ return _error->WarningE(id, _("Could not open file '%s'"), dumpfile.c_str());
+ return true;
+}
+ /*}}}*/
// EDSP::ResolveExternal - resolve problems by asking external for help {{{*/
bool EDSP::ResolveExternal(const char* const solver, pkgDepCache &Cache,
unsigned int const flags, OpProgress *Progress) {
+ if (strcmp(solver, "internal") == 0)
+ {
+ FileFd output;
+ bool Okay = CreateDumpFile("EDSP::Resolve", "solver", output);
+ Okay &= EDSP::WriteRequest(Cache, output, flags, nullptr);
+ return Okay && EDSP::WriteScenario(Cache, output, nullptr);
+ }
int solver_in, solver_out;
pid_t const solver_pid = EDSP::ExecuteSolver(solver, &solver_in, &solver_out, true);
if (solver_pid == 0)
return _error->Errno("ResolveExternal", "Opening solver %s stdin on fd %d for writing failed", solver, solver_in);
bool Okay = output.Failed() == false;
- if (Progress != NULL)
+ if (Okay && Progress != NULL)
Progress->OverallProgress(0, 100, 5, _("Execute external solver"));
Okay &= EDSP::WriteRequest(Cache, output, flags, Progress);
- if (Progress != NULL)
+ if (Okay && Progress != NULL)
Progress->OverallProgress(5, 100, 20, _("Execute external solver"));
Okay &= EDSP::WriteScenario(Cache, output, Progress);
output.Close();
- if (Progress != NULL)
+ if (Okay && Progress != NULL)
Progress->OverallProgress(25, 100, 75, _("Execute external solver"));
if (Okay && EDSP::ReadResponse(solver_out, Cache, Progress) == false)
return false;
- return ExecWait(solver_pid, solver);
+ bool const waited = ExecWait(solver_pid, solver);
+ return Okay && waited;
}
bool EDSP::ResolveExternal(const char* const solver, pkgDepCache &Cache,
bool const upgrade, bool const distUpgrade,
return ResolveExternal(solver, Cache, flags, Progress);
}
/*}}}*/
+
+bool EIPP::OrderInstall(char const * const solver, pkgPackageManager * const PM, /*{{{*/
+ unsigned int const flags, OpProgress * const Progress)
+{
+ if (strcmp(solver, "internal") == 0)
+ {
+ FileFd output;
+ _error->PushToStack();
+ bool Okay = CreateDumpFile("EIPP::OrderInstall", "planner", output);
+ if (Okay == false && dynamic_cast<pkgSimulate*>(PM) != nullptr)
+ {
+ _error->RevertToStack();
+ return false;
+ }
+ _error->MergeWithStack();
+ Okay &= EIPP::WriteRequest(PM->Cache, output, flags, nullptr);
+ return Okay && EIPP::WriteScenario(PM->Cache, output, nullptr);
+ }
+
+ int solver_in, solver_out;
+ pid_t const solver_pid = ExecuteExternal("planner", solver, "Dir::Bin::Planners", &solver_in, &solver_out);
+ if (solver_pid == 0)
+ return false;
+
+ FileFd output;
+ if (output.OpenDescriptor(solver_in, FileFd::WriteOnly | FileFd::BufferedWrite, true) == false)
+ return _error->Errno("EIPP::OrderInstall", "Opening planner %s stdin on fd %d for writing failed", solver, solver_in);
+
+ bool Okay = output.Failed() == false;
+ if (Okay && Progress != NULL)
+ Progress->OverallProgress(0, 100, 5, _("Execute external planner"));
+ Okay &= EIPP::WriteRequest(PM->Cache, output, flags, Progress);
+ if (Okay && Progress != NULL)
+ Progress->OverallProgress(5, 100, 20, _("Execute external planner"));
+ Okay &= EIPP::WriteScenario(PM->Cache, output, Progress);
+ output.Close();
+
+ if (Okay)
+ {
+ if (Progress != nullptr)
+ Progress->OverallProgress(25, 100, 75, _("Execute external planner"));
+
+ // we don't tell the external planners about boring things
+ for (auto Pkg = PM->Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ {
+ if (Pkg->CurrentState == pkgCache::State::ConfigFiles && PM->Cache[Pkg].Purge() == true)
+ PM->Remove(Pkg, true);
+ }
+ }
+
+ if (EIPP::ReadResponse(solver_out, PM, Progress) == false)
+ return false;
+
+ bool const waited = ExecWait(solver_pid, solver);
+ return Okay && waited;
+}
+ /*}}}*/
+bool EIPP::WriteRequest(pkgDepCache &Cache, FileFd &output, /*{{{*/
+ unsigned int const flags,
+ OpProgress * const Progress)
+{
+ if (Progress != NULL)
+ Progress->SubProgress(Cache.Head().PackageCount, _("Send request to planner"));
+ unsigned long p = 0;
+ string del, inst, reinst;
+ for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg, ++p)
+ {
+ if (Progress != NULL && p % 100 == 0)
+ Progress->Progress(p);
+ string* req;
+ pkgDepCache::StateCache &P = Cache[Pkg];
+ if (P.Purge() == true && Pkg->CurrentState == pkgCache::State::ConfigFiles)
+ continue;
+ if (P.Delete() == true)
+ req = &del;
+ else if (P.NewInstall() == true || P.Upgrade() == true || P.Downgrade() == true)
+ req = &inst;
+ else if (P.ReInstall() == true)
+ req = &reinst;
+ else
+ continue;
+ req->append(" ").append(Pkg.FullName());
+ }
+ bool Okay = WriteOkay(output, "Request: EIPP 0.1\n");
+
+ const char *arch = _config->Find("APT::Architecture").c_str();
+ std::vector<string> archs = APT::Configuration::getArchitectures();
+ WriteOkay(Okay, output, "Architecture: ", arch, "\n",
+ "Architectures:");
+ for (std::vector<string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
+ WriteOkay(Okay, output, " ", *a);
+ WriteOkay(Okay, output, "\n");
+
+ if (del.empty() == false)
+ WriteOkay(Okay, output, "Remove:", del, "\n");
+ if (inst.empty() == false)
+ WriteOkay(Okay, output, "Install:", inst, "\n");
+ if (reinst.empty() == false)
+ WriteOkay(Okay, output, "ReInstall:", reinst, "\n");
+ WriteOkay(Okay, output, "Planner: ", _config->Find("APT::Planner", "internal"), "\n");
+ if ((flags & Request::IMMEDIATE_CONFIGURATION_ALL) != 0)
+ WriteOkay(Okay, output, "Immediate-Configuration: yes\n");
+ else if ((flags & Request::NO_IMMEDIATE_CONFIGURATION) != 0)
+ WriteOkay(Okay, output, "Immediate-Configuration: no\n");
+ else if ((flags & Request::ALLOW_TEMPORARY_REMOVE_OF_ESSENTIALS) != 0)
+ WriteOkay(Okay, output, "Allow-Temporary-Remove-of-Essentials: yes\n");
+ return WriteOkay(Okay, output, "\n");
+}
+ /*}}}*/
+static bool WriteScenarioEIPPVersion(pkgDepCache &, FileFd &output, pkgCache::PkgIterator const &Pkg,/*{{{*/
+ pkgCache::VerIterator const &Ver)
+{
+ bool Okay = true;
+ if (Pkg.CurrentVer() == Ver)
+ switch (Pkg->CurrentState)
+ {
+ case pkgCache::State::NotInstalled: WriteOkay(Okay, output, "\nStatus: not-installed"); break;
+ case pkgCache::State::ConfigFiles: WriteOkay(Okay, output, "\nStatus: config-files"); break;
+ case pkgCache::State::HalfInstalled: WriteOkay(Okay, output, "\nStatus: half-installed"); break;
+ case pkgCache::State::UnPacked: WriteOkay(Okay, output, "\nStatus: unpacked"); break;
+ case pkgCache::State::HalfConfigured: WriteOkay(Okay, output, "\nStatus: half-configured"); break;
+ case pkgCache::State::TriggersAwaited: WriteOkay(Okay, output, "\nStatus: triggers-awaited"); break;
+ case pkgCache::State::TriggersPending: WriteOkay(Okay, output, "\nStatus: triggers-pending"); break;
+ case pkgCache::State::Installed: WriteOkay(Okay, output, "\nStatus: installed"); break;
+ }
+ return Okay;
+}
+ /*}}}*/
+// EIPP::WriteScenario - to the given file descriptor /*{{{*/
+template<typename forVersion> void forAllInterestingVersions(pkgDepCache &Cache, pkgCache::PkgIterator const &Pkg, forVersion const &func)
+{
+ if (Pkg->CurrentState == pkgCache::State::NotInstalled)
+ {
+ auto P = Cache[Pkg];
+ if (P.Install() == false)
+ return;
+ func(Pkg, P.InstVerIter(Cache));
+ }
+ else
+ {
+ if (Pkg->CurrentVer != 0)
+ func(Pkg, Pkg.CurrentVer());
+ auto P = Cache[Pkg];
+ auto const V = P.InstVerIter(Cache);
+ if (P.Delete() == false && Pkg.CurrentVer() != V)
+ func(Pkg, V);
+ }
+}
+
+bool EIPP::WriteScenario(pkgDepCache &Cache, FileFd &output, OpProgress * const Progress)
+{
+ if (Progress != NULL)
+ Progress->SubProgress(Cache.Head().PackageCount, _("Send scenario to planner"));
+ unsigned long p = 0;
+ bool Okay = output.Failed() == false;
+ std::vector<std::string> archs = APT::Configuration::getArchitectures();
+ std::vector<bool> pkgset(Cache.Head().PackageCount, false);
+ auto const MarkVersion = [&](pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const &Ver) {
+ pkgset[Pkg->ID] = true;
+ for (auto D = Ver.DependsList(); D.end() == false; ++D)
+ {
+ if (D.IsCritical() == false)
+ continue;
+ auto const P = D.TargetPkg();
+ for (auto Prv = P.ProvidesList(); Prv.end() == false; ++Prv)
+ {
+ auto const V = Prv.OwnerVer();
+ auto const PV = V.ParentPkg();
+ if (V == PV.CurrentVer() || V == Cache[PV].InstVerIter(Cache))
+ pkgset[PV->ID] = true;
+ }
+ pkgset[P->ID] = true;
+ if (strcmp(P.Arch(), "any") == 0)
+ {
+ APT::StringView const pkgname(P.Name());
+ auto const idxColon = pkgname.find(':');
+ if (idxColon != APT::StringView::npos)
+ {
+ pkgCache::PkgIterator PA;
+ if (pkgname.substr(idxColon + 1) == "any")
+ {
+ auto const GA = Cache.FindGrp(pkgname.substr(0, idxColon).to_string());
+ for (auto PA = GA.PackageList(); PA.end() == false; PA = GA.NextPkg(PA))
+ {
+ pkgset[PA->ID] = true;
+ }
+ }
+ else
+ {
+ auto const PA = Cache.FindPkg(pkgname.to_string());
+ if (PA.end() == false)
+ pkgset[PA->ID] = true;
+ }
+ }
+ }
+ else
+ {
+ auto const PA = Cache.FindPkg(P.FullName(false), "any");
+ if (PA.end() == false)
+ pkgset[PA->ID] = true;
+ }
+ }
+ };
+ for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ forAllInterestingVersions(Cache, Pkg, MarkVersion);
+ auto const WriteVersion = [&](pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const &Ver) {
+ Okay &= WriteScenarioVersion(output, Pkg, Ver);
+ Okay &= WriteScenarioEIPPVersion(Cache, output, Pkg, Ver);
+ Okay &= WriteScenarioLimitedDependency(output, Ver, pkgset, true);
+ WriteOkay(Okay, output, "\n");
+ if (Progress != NULL && p % 100 == 0)
+ Progress->Progress(p);
+ };
+ for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false && likely(Okay); ++Pkg, ++p)
+ {
+ if (pkgset[Pkg->ID] == false || Pkg->VersionList == 0)
+ continue;
+ forAllInterestingVersions(Cache, Pkg, WriteVersion);
+ }
+ return Okay;
+}
+ /*}}}*/
+// EIPP::ReadResponse - from the given file descriptor /*{{{*/
+bool EIPP::ReadResponse(int const input, pkgPackageManager * const PM, OpProgress *Progress) {
+ /* We build an map id to mmap offset here
+ In theory we could use the offset as ID, but then VersionCount
+ couldn't be used to create other versionmappings anymore and it
+ would be too easy for a (buggy) solver to segfault APT… */
+ unsigned long long const VersionCount = PM->Cache.Head().VersionCount;
+ unsigned long VerIdx[VersionCount];
+ for (pkgCache::PkgIterator P = PM->Cache.PkgBegin(); P.end() == false; ++P) {
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
+ VerIdx[V->ID] = V.Index();
+ }
+
+ FileFd in;
+ in.OpenDescriptor(input, FileFd::ReadOnly);
+ pkgTagFile response(&in, 100);
+ pkgTagSection section;
+
+ while (response.Step(section) == true) {
+ char const * type = nullptr;
+ if (section.Exists("Progress") == true) {
+ if (Progress != NULL) {
+ string msg = section.FindS("Message");
+ if (msg.empty() == true)
+ msg = _("Prepare for receiving solution");
+ Progress->SubProgress(100, msg, section.FindI("Percentage", 0));
+ }
+ continue;
+ } else if (section.Exists("Error") == true) {
+ std::string msg = SubstVar(SubstVar(section.FindS("Message"), "\n .\n", "\n\n"), "\n ", "\n");
+ if (msg.empty() == true) {
+ msg = _("External planner failed without a proper error message");
+ _error->Error("%s", msg.c_str());
+ } else
+ _error->Error("External planner failed with: %s", msg.substr(0,msg.find('\n')).c_str());
+ if (Progress != NULL)
+ Progress->Done();
+ std::cerr << "The planner encountered an error of type: " << section.FindS("Error") << std::endl;
+ std::cerr << "The following information might help you to understand what is wrong:" << std::endl;
+ std::cerr << msg << std::endl << std::endl;
+ return false;
+ } else if (section.Exists("Unpack") == true)
+ type = "Unpack";
+ else if (section.Exists("Configure") == true)
+ type = "Configure";
+ else if (section.Exists("Remove") == true)
+ type = "Remove";
+ else {
+ char const *Start, *End;
+ section.GetSection(Start, End);
+ _error->Warning("Encountered an unexpected section with %d fields: %s", section.Count(), std::string(Start, End).c_str());
+ continue;
+ }
+
+ if (type == nullptr)
+ continue;
+ size_t const id = section.FindULL(type, VersionCount);
+ if (id == VersionCount) {
+ _error->Warning("Unable to parse %s request with id value '%s'!", type, section.FindS(type).c_str());
+ continue;
+ } else if (id > PM->Cache.Head().VersionCount) {
+ _error->Warning("ID value '%s' in %s request stanza is to high to refer to a known version!", section.FindS(type).c_str(), type);
+ continue;
+ }
+
+ pkgCache::VerIterator Ver(PM->Cache.GetCache(), PM->Cache.GetCache().VerP + VerIdx[id]);
+ auto const Pkg = Ver.ParentPkg();
+ if (strcmp(type, "Unpack") == 0)
+ PM->Install(Pkg, PM->FileNames[Pkg->ID]);
+ else if (strcmp(type, "Configure") == 0)
+ PM->Configure(Pkg);
+ else if (strcmp(type, "Remove") == 0)
+ PM->Remove(Pkg, PM->Cache[Pkg].Purge());
+ }
+ return in.Failed() == false;
+}
+ /*}}}*/
+bool EIPP::ReadRequest(int const input, std::list<std::pair<std::string,PKG_ACTION>> &actions,/*{{{*/
+ unsigned int &flags)
+{
+ actions.clear();
+ flags = 0;
+ std::string line;
+ while (ReadLine(input, line) == true)
+ {
+ // Skip empty lines before request
+ if (line.empty() == true)
+ continue;
+ // The first Tag must be a request, so search for it
+ if (line.compare(0, 8, "Request:") != 0)
+ continue;
+
+ while (ReadLine(input, line) == true)
+ {
+ // empty lines are the end of the request
+ if (line.empty() == true)
+ return true;
+
+ PKG_ACTION pkgact = PKG_ACTION::NOOP;
+ if (LineStartsWithAndStrip(line, "Install:"))
+ pkgact = PKG_ACTION::INSTALL;
+ else if (LineStartsWithAndStrip(line, "ReInstall:"))
+ pkgact = PKG_ACTION::REINSTALL;
+ else if (LineStartsWithAndStrip(line, "Remove:"))
+ pkgact = PKG_ACTION::REMOVE;
+ else if (LineStartsWithAndStrip(line, "Architecture:"))
+ _config->Set("APT::Architecture", line);
+ else if (LineStartsWithAndStrip(line, "Architectures:"))
+ _config->Set("APT::Architectures", SubstVar(line, " ", ","));
+ else if (LineStartsWithAndStrip(line, "Planner:"))
+ ; // purely informational line
+ else if (LineStartsWithAndStrip(line, "Immediate-Configuration:"))
+ {
+ if (localStringToBool(line, true))
+ flags |= Request::IMMEDIATE_CONFIGURATION_ALL;
+ else
+ flags |= Request::NO_IMMEDIATE_CONFIGURATION;
+ }
+ else if (ReadFlag(flags, line, "Allow-Temporary-Remove-of-Essentials:", Request::ALLOW_TEMPORARY_REMOVE_OF_ESSENTIALS))
+ ;
+ else
+ _error->Warning("Unknown line in EIPP Request stanza: %s", line.c_str());
+
+ if (pkgact == PKG_ACTION::NOOP)
+ continue;
+ for (auto && p: VectorizeString(line, ' '))
+ actions.emplace_back(std::move(p), pkgact);
+ }
+ }
+ return false;
+}
+ /*}}}*/
+bool EIPP::ApplyRequest(std::list<std::pair<std::string,PKG_ACTION>> &actions,/*{{{*/
+ pkgDepCache &Cache)
+{
+ for (auto Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ {
+ short versions = 0;
+ for (auto Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+ {
+ ++versions;
+ if (Pkg.CurrentVer() == Ver)
+ continue;
+ Cache.SetCandidateVersion(Ver);
+ }
+ if (unlikely(versions > 2))
+ _error->Warning("Package %s has %d versions, but should have at most 2!", Pkg.FullName().c_str(), versions);
+ }
+ for (auto && a: actions)
+ {
+ pkgCache::PkgIterator P = Cache.FindPkg(a.first);
+ if (P.end() == true)
+ {
+ _error->Warning("Package %s is not known, so can't be acted on", a.first.c_str());
+ continue;
+ }
+ switch (a.second)
+ {
+ case PKG_ACTION::NOOP:
+ _error->Warning("Package %s has NOOP as action?!?", a.first.c_str());
+ break;
+ case PKG_ACTION::INSTALL:
+ Cache.MarkInstall(P, false);
+ break;
+ case PKG_ACTION::REINSTALL:
+ Cache.MarkInstall(P, false);
+ Cache.SetReInstall(P, true);
+ break;
+ case PKG_ACTION::REMOVE:
+ Cache.MarkDelete(P);
+ break;
+ }
+ }
+ return true;
+}
+ /*}}}*/
projects / apt.git / blobdiff