##################################################################### */
/*}}}*/
// Includes /*{{{*/
+#include <config.h>
+
#include <apt-pkg/dpkgpm.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/cachefile.h>
+#include <apt-pkg/packagemanager.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <pty.h>
-#include <config.h>
#include <apti18n.h>
/*}}}*/
using namespace std;
+class pkgDPkgPMPrivate
+{
+public:
+ pkgDPkgPMPrivate() : dpkgbuf_pos(0), term_out(NULL), history_out(NULL)
+ {
+ }
+ bool stdin_is_dev_null;
+ // the buffer we use for the dpkg status-fd reading
+ char dpkgbuf[1024];
+ int dpkgbuf_pos;
+ FILE *term_out;
+ FILE *history_out;
+ string dpkg_error;
+};
+
namespace
{
// Maps the dpkg "processing" info to human readable names. Entry 0
{
if (!FileExists("/usr/bin/ionice"))
return false;
- pid_t Process = ExecFork();
+ pid_t Process = ExecFork();
if (Process == 0)
{
char buf[32];
return ExecWait(Process, "ionice");
}
+// dpkgChrootDirectory - chrooting for dpkg if needed /*{{{*/
+static void dpkgChrootDirectory()
+{
+ std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+ if (chrootDir == "/")
+ return;
+ std::cerr << "Chrooting into " << chrootDir << std::endl;
+ if (chroot(chrootDir.c_str()) != 0)
+ _exit(100);
+}
+ /*}}}*/
+
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
- : pkgPackageManager(Cache), dpkgbuf_pos(0),
- term_out(NULL), history_out(NULL), PackagesDone(0), PackagesTotal(0)
+ : pkgPackageManager(Cache), PackagesDone(0), PackagesTotal(0)
{
+ d = new pkgDPkgPMPrivate();
}
/*}}}*/
// DPkgPM::pkgDPkgPM - Destructor /*{{{*/
/* */
pkgDPkgPM::~pkgDPkgPM()
{
+ delete d;
}
/*}}}*/
// DPkgPM::Install - Install a package /*{{{*/
SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
- 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);
- }
-
+ dpkgChrootDirectory();
const char *Args[4];
Args[0] = "/bin/sh";
Args[1] = "-c";
if (len)
write(master, input_buf, len);
else
- stdin_is_dev_null = true;
+ d->stdin_is_dev_null = true;
}
/*}}}*/
// DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/
if(len <= 0)
return;
write(1, term_buf, len);
- if(term_out)
- fwrite(term_buf, len, sizeof(char), term_out);
+ if(d->term_out)
+ fwrite(term_buf, len, sizeof(char), d->term_out);
}
/*}}}*/
// DPkgPM::ProcessDpkgStatusBuf /*{{{*/
char *p, *q;
int len;
- len=read(statusfd, &dpkgbuf[dpkgbuf_pos], sizeof(dpkgbuf)-dpkgbuf_pos);
- dpkgbuf_pos += len;
+ len=read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos], sizeof(d->dpkgbuf)-d->dpkgbuf_pos);
+ d->dpkgbuf_pos += len;
if(len <= 0)
return;
// process line by line if we have a buffer
- p = q = dpkgbuf;
- while((q=(char*)memchr(p, '\n', dpkgbuf+dpkgbuf_pos-p)) != NULL)
+ p = q = d->dpkgbuf;
+ while((q=(char*)memchr(p, '\n', d->dpkgbuf+d->dpkgbuf_pos-p)) != NULL)
{
*q = 0;
ProcessDpkgStatusLine(OutStatusFd, p);
}
// now move the unprocessed bits (after the final \n that is now a 0x0)
- // to the start and update dpkgbuf_pos
- p = (char*)memrchr(dpkgbuf, 0, dpkgbuf_pos);
+ // to the start and update d->dpkgbuf_pos
+ p = (char*)memrchr(d->dpkgbuf, 0, d->dpkgbuf_pos);
if(p == NULL)
return;
p++;
// move the unprocessed tail to the start and update pos
- memmove(dpkgbuf, p, p-dpkgbuf);
- dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p;
+ memmove(d->dpkgbuf, p, p-d->dpkgbuf);
+ d->dpkgbuf_pos = d->dpkgbuf+d->dpkgbuf_pos-p;
}
/*}}}*/
// DPkgPM::WriteHistoryTag /*{{{*/
// poor mans rstrip(", ")
if (value[length-2] == ',' && value[length-1] == ' ')
value.erase(length - 2, 2);
- fprintf(history_out, "%s: %s\n", tag.c_str(), value.c_str());
+ fprintf(d->history_out, "%s: %s\n", tag.c_str(), value.c_str());
} /*}}}*/
// DPkgPM::OpenLog /*{{{*/
bool pkgDPkgPM::OpenLog()
_config->Find("Dir::Log::Terminal"));
if (!logfile_name.empty())
{
- term_out = fopen(logfile_name.c_str(),"a");
- if (term_out == NULL)
+ d->term_out = fopen(logfile_name.c_str(),"a");
+ if (d->term_out == NULL)
return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());
- setvbuf(term_out, NULL, _IONBF, 0);
- SetCloseExec(fileno(term_out), true);
+ setvbuf(d->term_out, NULL, _IONBF, 0);
+ SetCloseExec(fileno(d->term_out), true);
struct passwd *pw;
struct group *gr;
pw = getpwnam("root");
if (pw != NULL && gr != NULL)
chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid);
chmod(logfile_name.c_str(), 0644);
- fprintf(term_out, "\nLog started: %s\n", timestr);
+ fprintf(d->term_out, "\nLog started: %s\n", timestr);
}
// write your history
_config->Find("Dir::Log::History"));
if (!history_name.empty())
{
- history_out = fopen(history_name.c_str(),"a");
- if (history_out == NULL)
+ d->history_out = fopen(history_name.c_str(),"a");
+ if (d->history_out == NULL)
return _error->WarningE("OpenLog", _("Could not open file '%s'"), history_name.c_str());
chmod(history_name.c_str(), 0644);
- fprintf(history_out, "\nStart-Date: %s\n", timestr);
+ fprintf(d->history_out, "\nStart-Date: %s\n", timestr);
string remove, purge, install, reinstall, upgrade, downgrade;
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
{
WriteHistoryTag("Downgrade",downgrade);
WriteHistoryTag("Remove",remove);
WriteHistoryTag("Purge",purge);
- fflush(history_out);
+ fflush(d->history_out);
}
return true;
struct tm *tmp = localtime(&t);
strftime(timestr, sizeof(timestr), "%F %T", tmp);
- if(term_out)
+ if(d->term_out)
{
- fprintf(term_out, "Log ended: ");
- fprintf(term_out, "%s", timestr);
- fprintf(term_out, "\n");
- fclose(term_out);
+ fprintf(d->term_out, "Log ended: ");
+ fprintf(d->term_out, "%s", timestr);
+ fprintf(d->term_out, "\n");
+ fclose(d->term_out);
}
- term_out = NULL;
+ d->term_out = NULL;
- if(history_out)
+ if(d->history_out)
{
if (disappearedPkgs.empty() == false)
{
}
WriteHistoryTag("Disappeared", disappear);
}
- if (dpkg_error.empty() == false)
- fprintf(history_out, "Error: %s\n", dpkg_error.c_str());
- fprintf(history_out, "End-Date: %s\n", timestr);
- fclose(history_out);
+ if (d->dpkg_error.empty() == false)
+ fprintf(d->history_out, "Error: %s\n", d->dpkg_error.c_str());
+ fprintf(d->history_out, "End-Date: %s\n", timestr);
+ fclose(d->history_out);
}
- history_out = NULL;
+ d->history_out = NULL;
return true;
}
*/
bool pkgDPkgPM::Go(int OutStatusFd)
{
+ // Generate the base argument list for dpkg
+ std::vector<const char *> Args;
+ unsigned long StartSize = 0;
+ string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ Args.push_back(Tmp.c_str());
+ StartSize += Tmp.length();
+
+ // Stick in any custom dpkg options
+ Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+ if (Opts != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ Args.push_back(Opts->Value.c_str());
+ StartSize += Opts->Value.length();
+ }
+ }
+
+ size_t const BaseArgs = Args.size();
+ // we need to detect if we can qualify packages with the architecture or not
+ Args.push_back("--assert-multi-arch");
+ Args.push_back(NULL);
+
+ pid_t dpkgAssertMultiArch = ExecFork();
+ if (dpkgAssertMultiArch == 0)
+ {
+ dpkgChrootDirectory();
+ // redirect everything to the ultimate sink as we only need the exit-status
+ int const nullfd = open("/dev/null", O_RDONLY);
+ dup2(nullfd, STDIN_FILENO);
+ dup2(nullfd, STDOUT_FILENO);
+ dup2(nullfd, STDERR_FILENO);
+ execv(Args[0], (char**) &Args[0]);
+ _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
+ _exit(2);
+ }
+
fd_set rfds;
struct timespec tv;
sigset_t sigmask;
}
}
- stdin_is_dev_null = false;
+ d->stdin_is_dev_null = false;
// create log
OpenLog();
+ bool dpkgMultiArch = false;
+ if (dpkgAssertMultiArch > 0)
+ {
+ int Status = 0;
+ while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
+ {
+ if (errno == EINTR)
+ continue;
+ _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
+ break;
+ }
+ if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+ dpkgMultiArch = true;
+ }
+
// this loop is runs once per operation
for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
{
for (; J != List.end() && J->Op == I->Op; ++J)
/* nothing */;
- // Generate the argument list
- const char *Args[MaxArgs + 50];
// keep track of allocated strings for multiarch package names
- char *Packages[MaxArgs + 50];
- unsigned int pkgcount = 0;
+ std::vector<char *> Packages;
+
+ // start with the baseset of arguments
+ unsigned long Size = StartSize;
+ Args.erase(Args.begin() + BaseArgs, Args.end());
// Now check if we are within the MaxArgs limit
//
// 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
+ // runs, using Immediate-Configure-All can help prevent this.
if (J - I > (signed)MaxArgs)
+ {
J = I + MaxArgs;
-
- unsigned int n = 0;
- unsigned long Size = 0;
- string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
- Args[n++] = Tmp.c_str();
- Size += strlen(Args[n-1]);
-
- // Stick in any custom dpkg options
- Configuration::Item const *Opts = _config->Tree("DPkg::Options");
- if (Opts != 0)
+ unsigned long const size = MaxArgs + 10;
+ Args.reserve(size);
+ Packages.reserve(size);
+ }
+ else
{
- Opts = Opts->Child;
- for (; Opts != 0; Opts = Opts->Next)
- {
- if (Opts->Value.empty() == true)
- continue;
- Args[n++] = Opts->Value.c_str();
- Size += Opts->Value.length();
- }
+ unsigned long const size = (J - I) + 10;
+ Args.reserve(size);
+ Packages.reserve(size);
}
-
- char status_fd_buf[20];
+
int fd[2];
pipe(fd);
-
- Args[n++] = "--status-fd";
- Size += strlen(Args[n-1]);
+
+#define ADDARG(X) Args.push_back(X); Size += strlen(X)
+#define ADDARGC(X) Args.push_back(X); Size += sizeof(X) - 1
+
+ ADDARGC("--status-fd");
+ char status_fd_buf[20];
snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
- Args[n++] = status_fd_buf;
- Size += strlen(Args[n-1]);
+ ADDARG(status_fd_buf);
+ unsigned long const Op = I->Op;
switch (I->Op)
{
case Item::Remove:
- Args[n++] = "--force-depends";
- Size += strlen(Args[n-1]);
- Args[n++] = "--force-remove-essential";
- Size += strlen(Args[n-1]);
- Args[n++] = "--remove";
- Size += strlen(Args[n-1]);
+ ADDARGC("--force-depends");
+ ADDARGC("--force-remove-essential");
+ ADDARGC("--remove");
break;
case Item::Purge:
- Args[n++] = "--force-depends";
- Size += strlen(Args[n-1]);
- Args[n++] = "--force-remove-essential";
- Size += strlen(Args[n-1]);
- Args[n++] = "--purge";
- Size += strlen(Args[n-1]);
+ ADDARGC("--force-depends");
+ ADDARGC("--force-remove-essential");
+ ADDARGC("--purge");
break;
case Item::Configure:
- Args[n++] = "--configure";
- Size += strlen(Args[n-1]);
+ ADDARGC("--configure");
break;
case Item::ConfigurePending:
- Args[n++] = "--configure";
- Size += strlen(Args[n-1]);
- Args[n++] = "--pending";
- Size += strlen(Args[n-1]);
+ ADDARGC("--configure");
+ ADDARGC("--pending");
break;
case Item::TriggersPending:
- Args[n++] = "--triggers-only";
- Size += strlen(Args[n-1]);
- Args[n++] = "--pending";
- Size += strlen(Args[n-1]);
+ ADDARGC("--triggers-only");
+ ADDARGC("--pending");
break;
case Item::Install:
- Args[n++] = "--unpack";
- Size += strlen(Args[n-1]);
- Args[n++] = "--auto-deconfigure";
- Size += strlen(Args[n-1]);
+ ADDARGC("--unpack");
+ ADDARGC("--auto-deconfigure");
break;
}
if (NoTriggers == true && I->Op != Item::TriggersPending &&
I->Op != Item::ConfigurePending)
{
- Args[n++] = "--no-triggers";
- Size += strlen(Args[n-1]);
+ ADDARGC("--no-triggers");
}
+#undef ADDARGC
// Write in the file or package names
if (I->Op == Item::Install)
{
if (I->File[0] != '/')
return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());
- Args[n++] = I->File.c_str();
- Size += strlen(Args[n-1]);
+ Args.push_back(I->File.c_str());
+ Size += I->File.length();
}
- }
+ }
else
{
string const nativeArch = _config->Find("APT::Architecture");
continue;
if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end())
continue;
- if (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all"))
- Args[n++] = I->Pkg.Name();
+ // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian
+ if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all")))
+ {
+ char const * const name = I->Pkg.Name();
+ ADDARG(name);
+ }
else
{
- Packages[pkgcount] = strdup(I->Pkg.FullName(false).c_str());
- Args[n++] = Packages[pkgcount++];
+ pkgCache::VerIterator PkgVer;
+ std::string name = I->Pkg.Name();
+ if (Op == Item::Remove || Op == Item::Purge)
+ PkgVer = I->Pkg.CurrentVer();
+ else
+ PkgVer = Cache[I->Pkg].InstVerIter(Cache);
+ name.append(":").append(PkgVer.Arch());
+ char * const fullname = strdup(name.c_str());
+ Packages.push_back(fullname);
+ ADDARG(fullname);
}
- Size += strlen(Args[n-1]);
}
// skip configure action if all sheduled packages disappeared
if (oldSize == Size)
continue;
}
- Args[n] = 0;
+#undef ADDARG
+
J = I;
if (_config->FindB("Debug::pkgDPkgPM",false) == true)
{
- for (unsigned int k = 0; k != n; k++)
- clog << Args[k] << ' ';
+ for (std::vector<const char *>::const_iterator a = Args.begin();
+ a != Args.end(); ++a)
+ clog << *a << ' ';
clog << endl;
continue;
}
-
+ Args.push_back(NULL);
+
cout << flush;
clog << flush;
cerr << flush;
it to all processes in the group. Since dpkg ignores the signal
it doesn't die but we do! So we must also ignore it */
sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
- sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
-
+ sighandler_t old_SIGINT = signal(SIGINT,SigINT);
+
+ // Check here for any SIGINT
+ if (pkgPackageManager::SigINTStop && (Op == Item::Remove || Op == Item::Purge || Op == Item::Install))
+ break;
+
+
// ignore SIGHUP as well (debian #463030)
sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
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);
+ if(d->term_out)
+ fprintf(d->term_out, "%s",s);
master = slave = -1;
} else {
struct termios rtt;
sigprocmask(SIG_SETMASK, &original_sigmask, 0);
}
}
-
// Fork dpkg
pid_t Child;
_config->Set("APT::Keep-Fds::",fd[1]);
}
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);
- }
+ dpkgChrootDirectory();
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);
/* No Job Control Stop Env is a magic dpkg var that prevents it
from using sigstop */
putenv((char *)"DPKG_NO_TSTP=yes");
- execvp(Args[0],(char **)Args);
+ execvp(Args[0], (char**) &Args[0]);
cerr << "Could not exec dpkg!" << endl;
_exit(100);
}
sigemptyset(&sigmask);
sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
- /* clean up the temporary allocation for multiarch package names in
- the parent, so we don't leak memory when we return. */
- for (unsigned int i = 0; i < pkgcount; i++)
- free(Packages[i]);
+ /* free vectors (and therefore memory) as we don't need the included data anymore */
+ for (std::vector<char *>::const_iterator p = Packages.begin();
+ p != Packages.end(); ++p)
+ free(*p);
+ Packages.clear();
// the result of the waitpid call
int res;
// 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 (master >= 0 && !stdin_is_dev_null)
+ if (master >= 0 && !d->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)
RunScripts("DPkg::Post-Invoke");
if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV)
- strprintf(dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);
+ strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);
else if (WIFEXITED(Status) != 0)
- strprintf(dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
+ strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
else
- strprintf(dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);
+ strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);
- if(dpkg_error.size() > 0)
- _error->Error("%s", dpkg_error.c_str());
+ if(d->dpkg_error.size() > 0)
+ _error->Error("%s", d->dpkg_error.c_str());
if(stopOnError)
{
}
}
CloseLog();
+
+ if (pkgPackageManager::SigINTStop)
+ _error->Warning(_("Operation was interrupted before it could finish"));
if (RunScripts("DPkg::Post-Invoke") == false)
return false;
Cache.writeStateFile(NULL);
return true;
}
+
+void SigINT(int sig) {
+ if (_config->FindB("APT::Immediate-Configure-All",false))
+ pkgPackageManager::SigINTStop = true;
+}
/*}}}*/
// pkgDpkgPM::Reset - Dump the contents of the command list /*{{{*/
// ---------------------------------------------------------------------
fprintf(report, "ErrorMessage:\n %s\n", errormsg);
// ensure that the log is flushed
- if(term_out)
- fflush(term_out);
+ if(d->term_out)
+ fflush(d->term_out);
// attach terminal log it if we have it
string logfile_name = _config->FindFile("Dir::Log::Terminal");
projects / apt.git / blobdiff