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-rw-r--r--apt-pkg/deb/dpkgpm.cc148
1 files changed, 120 insertions, 28 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 2b04f0e71..eb43cbfb8 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -29,7 +29,6 @@
#include <sys/wait.h>
#include <signal.h>
#include <errno.h>
-#include <string.h>
#include <stdio.h>
#include <string.h>
#include <algorithm>
@@ -51,8 +50,10 @@ using namespace std;
class pkgDPkgPMPrivate
{
public:
- pkgDPkgPMPrivate() : dpkgbuf_pos(0), term_out(NULL), history_out(NULL)
+ pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
+ term_out(NULL), history_out(NULL)
{
+ dpkgbuf[0] = '\0';
}
bool stdin_is_dev_null;
// the buffer we use for the dpkg status-fd reading
@@ -123,6 +124,45 @@ ionice(int PID)
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);
+}
+ /*}}}*/
+
+
+// FindNowVersion - Helper to find a Version in "now" state /*{{{*/
+// ---------------------------------------------------------------------
+/* This is helpful when a package is no longer installed but has residual
+ * config files
+ */
+static
+pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg)
+{
+ pkgCache::VerIterator Ver;
+ for (Ver = Pkg.VersionList(); Ver.end() == false; Ver++)
+ {
+ pkgCache::VerFileIterator Vf = Ver.FileList();
+ pkgCache::PkgFileIterator F = Vf.File();
+ for (F = Vf.File(); F.end() == false; F++)
+ {
+ if (F && F.Archive())
+ {
+ if (strcmp(F.Archive(), "now"))
+ return Ver;
+ }
+ }
+ }
+ return Ver;
+}
+ /*}}}*/
+
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -328,15 +368,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
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";
@@ -832,7 +864,17 @@ 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");
+ string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ {
+ string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+ size_t dpkgChrootLen = dpkgChrootDir.length();
+ if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
+ {
+ if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+ --dpkgChrootLen;
+ Tmp = Tmp.substr(dpkgChrootLen);
+ }
+ }
Args.push_back(Tmp.c_str());
StartSize += Tmp.length();
@@ -858,6 +900,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
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);
@@ -1092,11 +1135,18 @@ bool pkgDPkgPM::Go(int OutStatusFd)
{
pkgCache::VerIterator PkgVer;
std::string name = I->Pkg.Name();
- if (Op == Item::Remove || Op == Item::Purge)
+ if (Op == Item::Remove || Op == Item::Purge)
+ {
PkgVer = I->Pkg.CurrentVer();
+ if(PkgVer.end() == true)
+ PkgVer = FindNowVersion(I->Pkg);
+ }
else
PkgVer = Cache[I->Pkg].InstVerIter(Cache);
- name.append(":").append(PkgVer.Arch());
+ if (PkgVer.end() == false)
+ name.append(":").append(PkgVer.Arch());
+ else
+ _error->Warning("Can not find PkgVer for '%s'", name.c_str());
char * const fullname = strdup(name.c_str());
Packages.push_back(fullname);
ADDARG(fullname);
@@ -1202,14 +1252,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
}
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);
@@ -1408,7 +1451,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
string::size_type pos;
FILE *report;
- if (_config->FindB("Dpkg::ApportFailureReport", false) == false)
+ if (_config->FindB("Dpkg::ApportFailureReport", true) == false)
{
std::clog << "configured to not write apport reports" << std::endl;
return;
@@ -1435,18 +1478,49 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
}
// do not report out-of-memory failures
- if(strstr(errormsg, strerror(ENOMEM)) != NULL) {
+ if(strstr(errormsg, strerror(ENOMEM)) != NULL ||
+ strstr(errormsg, "failed to allocate memory") != NULL) {
std::clog << _("No apport report written because the error message indicates a out of memory error") << std::endl;
return;
}
- // do not report dpkg I/O errors
- // XXX - this message is localized, but this only matches the English version. This is better than nothing.
- if(strstr(errormsg, "short read in buffer_copy (")) {
- std::clog << _("No apport report written because the error message indicates a dpkg I/O error") << std::endl;
+ // do not report bugs regarding inaccessible local files
+ if(strstr(errormsg, strerror(ENOENT)) != NULL ||
+ strstr(errormsg, "cannot access archive") != NULL) {
+ std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl;
+ return;
+ }
+
+ // do not report errors encountered when decompressing packages
+ if(strstr(errormsg, "--fsys-tarfile returned error exit status 2") != NULL) {
+ std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl;
return;
}
+ // do not report dpkg I/O errors, this is a format string, so we compare
+ // the prefix and the suffix of the error with the dpkg error message
+ vector<string> io_errors;
+ io_errors.push_back(string("failed to read on buffer copy for %s"));
+ io_errors.push_back(string("failed in write on buffer copy for %s"));
+ io_errors.push_back(string("short read on buffer copy for %s"));
+
+ for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); I++)
+ {
+ vector<string> list = VectorizeString(dgettext("dpkg", (*I).c_str()), '%');
+ if (list.size() > 1) {
+ // we need to split %s, VectorizeString only allows char so we need
+ // to kill the "s" manually
+ if (list[1].size() > 1) {
+ list[1].erase(0, 1);
+ if(strstr(errormsg, list[0].c_str()) &&
+ strstr(errormsg, list[1].c_str())) {
+ std::clog << _("No apport report written because the error message indicates a dpkg I/O error") << std::endl;
+ return;
+ }
+ }
+ }
+ }
+
// get the pkgname and reportfile
pkgname = flNotDir(pkgpath);
pos = pkgname.find('_');
@@ -1536,6 +1610,24 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
{
while( fgets(buf, sizeof(buf), log) != NULL)
fprintf(report, " %s", buf);
+ fprintf(report, " \n");
+ fclose(log);
+ }
+ }
+
+ // attach history log it if we have it
+ string histfile_name = _config->FindFile("Dir::Log::History");
+ if (!histfile_name.empty())
+ {
+ FILE *log = NULL;
+ char buf[1024];
+
+ fprintf(report, "DpkgHistoryLog:\n");
+ log = fopen(histfile_name.c_str(),"r");
+ if(log != NULL)
+ {
+ while( fgets(buf, sizeof(buf), log) != NULL)
+ fprintf(report, " %s", buf);
fclose(log);
}
}