#include <apt-pkg/depcache.h>
#include <apt-pkg/strutl.h>
#include <apti18n.h>
+#include <apt-pkg/fileutl.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include <stdio.h>
+#include <string.h>
+#include <algorithm>
#include <sstream>
#include <map>
using namespace std;
+namespace
+{
+ // Maps the dpkg "processing" info to human readable names. Entry 0
+ // of each array is the key, entry 1 is the value.
+ const std::pair<const char *, const char *> PackageProcessingOps[] = {
+ std::make_pair("install", N_("Installing %s")),
+ std::make_pair("configure", N_("Configuring %s")),
+ std::make_pair("remove", N_("Removing %s")),
+ std::make_pair("purge", N_("Completely removing %s")),
+ std::make_pair("trigproc", N_("Running post-installation trigger %s"))
+ };
+
+ const std::pair<const char *, const char *> * const PackageProcessingOpsBegin = PackageProcessingOps;
+ const std::pair<const char *, const char *> * const PackageProcessingOpsEnd = PackageProcessingOps + sizeof(PackageProcessingOps) / sizeof(PackageProcessingOps[0]);
+
+ // Predicate to test whether an entry in the PackageProcessingOps
+ // array matches a string.
+ class MatchProcessingOp
+ {
+ const char *target;
+
+ public:
+ MatchProcessingOp(const char *the_target)
+ : target(the_target)
+ {
+ }
+
+ bool operator()(const std::pair<const char *, const char *> &pair) const
+ {
+ return strcmp(pair.first, target) == 0;
+ }
+ };
+}
+/* helper function to ionice the given PID
+
+ there is no C header for ionice yet - just the syscall interface
+ so we use the binary from util-linux
+*/
+static bool
+ionice(int PID)
+{
+ if (!FileExists("/usr/bin/ionice"))
+ return false;
+ pid_t Process = ExecFork();
+ if (Process == 0)
+ {
+ char buf[32];
+ snprintf(buf, sizeof(buf), "-p%d", PID);
+ const char *Args[4];
+ Args[0] = "/usr/bin/ionice";
+ Args[1] = "-c3";
+ Args[2] = buf;
+ Args[3] = 0;
+ execv(Args[0], (char **)Args);
+ }
+ return ExecWait(Process, "ionice");
+}
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
{
if (Pkg.end() == true)
return false;
-
- List.push_back(Item(Item::Configure,Pkg));
+
+ List.push_back(Item(Item::Configure, Pkg));
+
+ // Use triggers for config calls if we configure "smart"
+ // as otherwise Pre-Depends will not be satisfied, see #526774
+ if (_config->FindB("DPkg::TriggersPending", false) == true)
+ List.push_back(Item(Item::TriggersPending, PkgIterator()));
+
return true;
}
/*}}}*/
return true;
}
/*}}}*/
-// DPkgPM::RunScripts - Run a set of scripts /*{{{*/
-// ---------------------------------------------------------------------
-/* This looks for a list of script sto run from the configuration file,
- each one is run with system from a forked child. */
-bool pkgDPkgPM::RunScripts(const char *Cnf)
-{
- Configuration::Item const *Opts = _config->Tree(Cnf);
- if (Opts == 0 || Opts->Child == 0)
- return true;
- Opts = Opts->Child;
-
- // Fork for running the system calls
- pid_t Child = ExecFork();
-
- // This is the child
- if (Child == 0)
- {
- if (chdir("/tmp/") != 0)
- _exit(100);
-
- unsigned int Count = 1;
- for (; Opts != 0; Opts = Opts->Next, Count++)
- {
- if (Opts->Value.empty() == true)
- continue;
-
- if (system(Opts->Value.c_str()) != 0)
- _exit(100+Count);
- }
- _exit(0);
- }
-
- // Wait for the child
- int Status = 0;
- while (waitpid(Child,&Status,0) != Child)
- {
- if (errno == EINTR)
- continue;
- return _error->Errno("waitpid","Couldn't wait for subprocess");
- }
-
- // Restore sig int/quit
- signal(SIGQUIT,SIG_DFL);
- signal(SIGINT,SIG_DFL);
-
- // Check for an error code.
- if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
- {
- unsigned int Count = WEXITSTATUS(Status);
- if (Count > 100)
- {
- Count -= 100;
- for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
- _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
- }
-
- return _error->Error("Sub-process returned an error code");
- }
-
- return true;
-}
- /*}}}*/
// DPkgPM::SendV2Pkgs - Send version 2 package info /*{{{*/
// ---------------------------------------------------------------------
/* This is part of the helper script communication interface, it sends
// Write out the package actions in order.
for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
{
+ if(I->Pkg.end() == true)
+ continue;
+
pkgDepCache::StateCache &S = Cache[I->Pkg];
fprintf(F,"%s ",I->Pkg.Name());
*/
void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
{
+ bool const Debug = _config->FindB("Debug::pkgDPkgProgressReporting",false);
// the status we output
ostringstream status;
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "got from dpkg '" << line << "'" << std::endl;
'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
and conffile-prompt like this
'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+
+ Newer versions of dpkg sent also:
+ 'processing: install: pkg'
+ 'processing: configure: pkg'
+ 'processing: remove: pkg'
+ 'processing: purge: pkg' - but for apt is it a ignored "unknown" action
+ 'processing: trigproc: trigger'
*/
char* list[5];
TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
if( list[0] == NULL || list[1] == NULL || list[2] == NULL)
{
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "ignoring line: not enough ':'" << std::endl;
return;
}
- char *pkg = list[1];
- char *action = _strstrip(list[2]);
+ const char* const pkg = list[1];
+ const char* action = _strstrip(list[2]);
+
+ // 'processing' from dpkg looks like
+ // 'processing: action: pkg'
+ if(strncmp(list[0], "processing", strlen("processing")) == 0)
+ {
+ char s[200];
+ const char* const pkg_or_trigger = _strstrip(list[2]);
+ action = _strstrip( list[1]);
+ const std::pair<const char *, const char *> * const iter =
+ std::find_if(PackageProcessingOpsBegin,
+ PackageProcessingOpsEnd,
+ MatchProcessingOp(action));
+ if(iter == PackageProcessingOpsEnd)
+ {
+ if (Debug == true)
+ std::clog << "ignoring unknown action: " << action << std::endl;
+ return;
+ }
+ snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger);
+
+ status << "pmstatus:" << pkg_or_trigger
+ << ":" << (PackagesDone/float(PackagesTotal)*100.0)
+ << ":" << s
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ if (Debug == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ return;
+ }
if(strncmp(action,"error",strlen("error")) == 0)
{
<< endl;
if(OutStatusFd > 0)
write(OutStatusFd, status.str().c_str(), status.str().size());
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
return;
}
- if(strncmp(action,"conffile",strlen("conffile")) == 0)
+ else if(strncmp(action,"conffile",strlen("conffile")) == 0)
{
status << "pmconffile:" << list[1]
<< ":" << (PackagesDone/float(PackagesTotal)*100.0)
<< endl;
if(OutStatusFd > 0)
write(OutStatusFd, status.str().c_str(), status.str().size());
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
return;
}
- vector<struct DpkgState> &states = PackageOps[pkg];
+ vector<struct DpkgState> const &states = PackageOps[pkg];
const char *next_action = NULL;
if(PackageOpsDone[pkg] < states.size())
next_action = states[PackageOpsDone[pkg]].state;
<< endl;
if(OutStatusFd > 0)
write(OutStatusFd, status.str().c_str(), status.str().size());
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
}
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ if (Debug == true)
std::clog << "(parsed from dpkg) pkg: " << pkg
<< " action: " << action << endl;
}
-
-// DPkgPM::DoDpkgStatusFd /*{{{*/
+ /*}}}*/
+// DPkgPM::DoDpkgStatusFd /*{{{*/
// ---------------------------------------------------------------------
/*
*/
dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p;
}
/*}}}*/
-
+// DPkgPM::OpenLog /*{{{*/
bool pkgDPkgPM::OpenLog()
{
string logdir = _config->FindDir("Dir::Log");
if (!logfile_name.empty())
{
term_out = fopen(logfile_name.c_str(),"a");
+ if (term_out == NULL)
+ return _error->WarningE(_("Could not open file '%s'"), logfile_name.c_str());
+
chmod(logfile_name.c_str(), 0600);
// output current time
char outstr[200];
time_t t = time(NULL);
struct tm *tmp = localtime(&t);
strftime(outstr, sizeof(outstr), "%F %T", tmp);
- fprintf(term_out, "\nLog started: ");
- fprintf(term_out, outstr);
- fprintf(term_out, "\n");
+ fprintf(term_out, "\nLog started: %s\n", outstr);
}
return true;
}
-
+ /*}}}*/
+// DPkg::CloseLog /*{{{*/
bool pkgDPkgPM::CloseLog()
{
if(term_out)
struct tm *tmp = localtime(&t);
strftime(outstr, sizeof(outstr), "%F %T", tmp);
fprintf(term_out, "Log ended: ");
- fprintf(term_out, outstr);
+ fprintf(term_out, "%s", outstr);
fprintf(term_out, "\n");
fclose(term_out);
}
term_out = NULL;
return true;
}
-
+ /*}}}*/
/*{{{*/
// This implements a racy version of pselect for those architectures
// that don't have a working implementation.
return retval;
}
/*}}}*/
-
// DPkgPM::Go - Run the sequence /*{{{*/
// ---------------------------------------------------------------------
/* This globs the operations and calls dpkg
*/
bool pkgDPkgPM::Go(int OutStatusFd)
{
- unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
- unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+ fd_set rfds;
+ struct timespec tv;
+ sigset_t sigmask;
+ sigset_t original_sigmask;
+
+ unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
+ unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+ bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false);
if (RunScripts("DPkg::Pre-Invoke") == false)
return false;
if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
return false;
-
+
+ // support subpressing of triggers processing for special
+ // cases like d-i that runs the triggers handling manually
+ bool const SmartConf = (_config->Find("PackageManager::Configure", "all") != "all");
+ bool const TriggersPending = _config->FindB("DPkg::TriggersPending", false);
+ if (_config->FindB("DPkg::ConfigurePending", SmartConf) == true)
+ List.push_back(Item(Item::ConfigurePending, PkgIterator()));
+
// map the dpkg states to the operations that are performed
// (this is sorted in the same way as Item::Ops)
static const struct DpkgState DpkgStatesOpMap[][7] = {
{
{"unpacked",N_("Preparing to configure %s") },
{"half-configured", N_("Configuring %s") },
-#if 0
- {"triggers-awaited", N_("Processing triggers for %s") },
- {"triggers-pending", N_("Processing triggers for %s") },
-#endif
{ "installed", N_("Installed %s")},
{NULL, NULL}
},
// Remove operation
{
{"half-configured", N_("Preparing for removal of %s")},
-#if 0
- {"triggers-awaited", N_("Preparing for removal of %s")},
- {"triggers-pending", N_("Preparing for removal of %s")},
-#endif
{"half-installed", N_("Removing %s")},
{"config-files", N_("Removed %s")},
{NULL, NULL}
// that will be [installed|configured|removed|purged] and add
// them to the PackageOps map (the dpkg states it goes through)
// and the PackageOpsTranslations (human readable strings)
- for (vector<Item>::iterator I = List.begin(); I != List.end();I++)
+ for (vector<Item>::const_iterator I = List.begin(); I != List.end();I++)
{
- string name = (*I).Pkg.Name();
+ if((*I).Pkg.end() == true)
+ continue;
+
+ string const name = (*I).Pkg.Name();
PackageOpsDone[name] = 0;
for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; i++)
{
PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
PackagesTotal++;
}
- }
+ }
stdin_is_dev_null = false;
OpenLog();
// this loop is runs once per operation
- for (vector<Item>::iterator I = List.begin(); I != List.end();)
+ for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
{
- vector<Item>::iterator J = I;
- for (; J != List.end() && J->Op == I->Op; J++);
+ // Do all actions with the same Op in one run
+ vector<Item>::const_iterator J = I;
+ if (TriggersPending == true)
+ for (; J != List.end(); J++)
+ {
+ if (J->Op == I->Op)
+ continue;
+ if (J->Op != Item::TriggersPending)
+ break;
+ vector<Item>::const_iterator T = J + 1;
+ if (T != List.end() && T->Op == I->Op)
+ continue;
+ break;
+ }
+ else
+ for (; J != List.end() && J->Op == I->Op; J++)
+ /* nothing */;
// Generate the argument list
const char *Args[MaxArgs + 50];
+
+ // Now check if we are within the MaxArgs limit
+ //
+ // this code below is problematic, because it may happen that
+ // the argument list is split in a way that A depends on B
+ // and they are in the same "--configure A B" run
+ // - with the split they may now be configured in different
+ // runs
if (J - I > (signed)MaxArgs)
J = I + MaxArgs;
unsigned int n = 0;
unsigned long Size = 0;
- string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
Args[n++] = Tmp.c_str();
Size += strlen(Args[n-1]);
Args[n++] = "--configure";
Size += strlen(Args[n-1]);
break;
-
+
+ case Item::ConfigurePending:
+ Args[n++] = "--configure";
+ Size += strlen(Args[n-1]);
+ Args[n++] = "--pending";
+ Size += strlen(Args[n-1]);
+ break;
+
+ case Item::TriggersPending:
+ Args[n++] = "--triggers-only";
+ Size += strlen(Args[n-1]);
+ Args[n++] = "--pending";
+ Size += strlen(Args[n-1]);
+ break;
+
case Item::Install:
Args[n++] = "--unpack";
Size += strlen(Args[n-1]);
Size += strlen(Args[n-1]);
break;
}
-
+
+ if (NoTriggers == true && I->Op != Item::TriggersPending &&
+ I->Op != Item::ConfigurePending)
+ {
+ Args[n++] = "--no-triggers";
+ Size += strlen(Args[n-1]);
+ }
+
// Write in the file or package names
if (I->Op == Item::Install)
{
{
for (;I != J && Size < MaxArgBytes; I++)
{
+ if((*I).Pkg.end() == true)
+ continue;
Args[n++] = I->Pkg.Name();
Size += strlen(Args[n-1]);
}
sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
+ // ignore SIGHUP as well (debian #463030)
+ sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
+
struct termios tt;
struct winsize win;
- int master;
- int slave;
+ int master = -1;
+ int slave = -1;
- // FIXME: setup sensible signal handling (*ick*)
- tcgetattr(0, &tt);
- ioctl(0, TIOCGWINSZ, (char *)&win);
- if (openpty(&master, &slave, NULL, &tt, &win) < 0)
+ // if tcgetattr does not return zero there was a error
+ // and we do not do any pty magic
+ if (tcgetattr(0, &tt) == 0)
{
- const char *s = _("Can not write log, openpty() "
- "failed (/dev/pts not mounted?)\n");
- fprintf(stderr, "%s",s);
- fprintf(term_out, "%s",s);
- master = slave = -1;
- } else {
- struct termios rtt;
- rtt = tt;
- cfmakeraw(&rtt);
- rtt.c_lflag &= ~ECHO;
- tcsetattr(0, TCSAFLUSH, &rtt);
+ ioctl(0, TIOCGWINSZ, (char *)&win);
+ if (openpty(&master, &slave, NULL, &tt, &win) < 0)
+ {
+ const char *s = _("Can not write log, openpty() "
+ "failed (/dev/pts not mounted?)\n");
+ fprintf(stderr, "%s",s);
+ if(term_out)
+ fprintf(term_out, "%s",s);
+ master = slave = -1;
+ } else {
+ struct termios rtt;
+ rtt = tt;
+ cfmakeraw(&rtt);
+ rtt.c_lflag &= ~ECHO;
+ // block SIGTTOU during tcsetattr to prevent a hang if
+ // the process is a member of the background process group
+ // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html
+ sigemptyset(&sigmask);
+ sigaddset(&sigmask, SIGTTOU);
+ sigprocmask(SIG_BLOCK,&sigmask, &original_sigmask);
+ tcsetattr(0, TCSAFLUSH, &rtt);
+ sigprocmask(SIG_SETMASK, &original_sigmask, 0);
+ }
}
// Fork dpkg
pid_t Child;
_config->Set("APT::Keep-Fds::",fd[1]);
+ // send status information that we are about to fork dpkg
+ if(OutStatusFd > 0) {
+ ostringstream status;
+ status << "pmstatus:dpkg-exec:"
+ << (PackagesDone/float(PackagesTotal)*100.0)
+ << ":" << _("Running dpkg")
+ << endl;
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ }
Child = ExecFork();
// This is the child
}
close(fd[0]); // close the read end of the pipe
+ if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
+ {
+ std::cerr << "Chrooting into "
+ << _config->FindDir("DPkg::Chroot-Directory")
+ << std::endl;
+ if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
+ _exit(100);
+ }
+
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);
_exit(100);
}
-
/* No Job Control Stop Env is a magic dpkg var that prevents it
from using sigstop */
putenv((char *)"DPKG_NO_TSTP=yes");
_exit(100);
}
+ // apply ionice
+ if (_config->FindB("DPkg::UseIoNice", false) == true)
+ ionice(Child);
+
// clear the Keep-Fd again
_config->Clear("APT::Keep-Fds",fd[1]);
int Status = 0;
// we read from dpkg here
- int _dpkgin = fd[0];
+ int const _dpkgin = fd[0];
close(fd[1]); // close the write end of the pipe
- // the result of the waitpid call
- int res;
if(slave > 0)
close(slave);
// setups fds
- fd_set rfds;
- struct timespec tv;
- sigset_t sigmask;
- sigset_t original_sigmask;
sigemptyset(&sigmask);
sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
+ // the result of the waitpid call
+ int res;
int select_ret;
while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
if(res < 0) {
// Restore sig int/quit
signal(SIGQUIT,old_SIGQUIT);
signal(SIGINT,old_SIGINT);
+ signal(SIGHUP,old_SIGHUP);
return _error->Errno("waitpid","Couldn't wait for subprocess");
}
// wait for input or output here
FD_ZERO(&rfds);
- if (!stdin_is_dev_null)
+ if (master >= 0 && !stdin_is_dev_null)
FD_SET(0, &rfds);
FD_SET(_dpkgin, &rfds);
if(master >= 0)
// Restore sig int/quit
signal(SIGQUIT,old_SIGQUIT);
signal(SIGINT,old_SIGINT);
+ signal(SIGHUP,old_SIGHUP);
if(master >= 0)
{
// if it was set to "keep-dpkg-runing" then we won't return
// here but keep the loop going and just report it as a error
// for later
- bool stopOnError = _config->FindB("Dpkg::StopOnError",true);
+ bool const stopOnError = _config->FindB("Dpkg::StopOnError",true);
if(stopOnError)
RunScripts("DPkg::Post-Invoke");
if (RunScripts("DPkg::Post-Invoke") == false)
return false;
+
+ Cache.writeStateFile(NULL);
return true;
}
/*}}}*/
projects / apt.git / blobdiff