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-rw-r--r--apt-pkg/contrib/fileutl.cc46
-rw-r--r--apt-pkg/contrib/fileutl.h3
-rw-r--r--apt-pkg/contrib/gpgv.cc12
-rw-r--r--apt-pkg/contrib/hashes.cc25
-rw-r--r--apt-pkg/contrib/hashes.h9
-rw-r--r--apt-pkg/contrib/strutl.cc8
-rw-r--r--apt-pkg/contrib/strutl.h1
7 files changed, 82 insertions, 22 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index d2be276c7..efbf7aaf4 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -760,16 +760,13 @@ bool WaitFd(int Fd,bool write,unsigned long timeout)
return true;
}
/*}}}*/
-// ExecFork - Magical fork that sanitizes the context before execing /*{{{*/
+// MergeKeepFdsFromConfiguration - Merge APT::Keep-Fds configuration /*{{{*/
// ---------------------------------------------------------------------
-/* This is used if you want to cleanse the environment for the forked
- child, it fixes up the important signals and nukes all of the fds,
- otherwise acts like normal fork. */
-pid_t ExecFork()
+/* This is used to merge the APT::Keep-Fds with the provided KeepFDs
+ * set.
+ */
+void MergeKeepFdsFromConfiguration(std::set<int> &KeepFDs)
{
- set<int> KeepFDs;
-
- // FIXME: remove looking at APT::Keep-Fds eventually, its a hack
Configuration::Item const *Opts = _config->Tree("APT::Keep-Fds");
if (Opts != 0 && Opts->Child != 0)
{
@@ -782,6 +779,19 @@ pid_t ExecFork()
KeepFDs.insert(fd);
}
}
+}
+ /*}}}*/
+// ExecFork - Magical fork that sanitizes the context before execing /*{{{*/
+// ---------------------------------------------------------------------
+/* This is used if you want to cleanse the environment for the forked
+ child, it fixes up the important signals and nukes all of the fds,
+ otherwise acts like normal fork. */
+pid_t ExecFork()
+{
+ set<int> KeepFDs;
+ // we need to merge the Keep-Fds as external tools like
+ // debconf-apt-progress use it
+ MergeKeepFdsFromConfiguration(KeepFDs);
return ExecFork(KeepFDs);
}
@@ -1535,6 +1545,9 @@ bool FileFd::Skip(unsigned long long Over)
/* */
bool FileFd::Truncate(unsigned long long To)
{
+ // truncating /dev/null is always successful - as we get an error otherwise
+ if (To == 0 && FileName == "/dev/null")
+ return true;
#if defined HAVE_ZLIB || defined HAVE_BZ2
if (d != NULL && (d->gz != NULL || d->bz2 != NULL))
return FileFdError("Truncating compressed files is not implemented (%s)", FileName.c_str());
@@ -1814,3 +1827,20 @@ std::vector<std::string> Glob(std::string const &pattern, int flags)
return result;
}
/*}}}*/
+
+std::string GetTempDir()
+{
+ const char *tmpdir = getenv("TMPDIR");
+
+#ifdef P_tmpdir
+ if (!tmpdir)
+ tmpdir = P_tmpdir;
+#endif
+
+ // check that tmpdir is set and exists
+ struct stat st;
+ if (!tmpdir || strlen(tmpdir) == 0 || stat(tmpdir, &st) != 0)
+ tmpdir = "/tmp";
+
+ return string(tmpdir);
+}
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 63a999c30..e752e9621 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -165,6 +165,8 @@ bool DirectoryExists(std::string const &Path) __attrib_const;
bool CreateDirectory(std::string const &Parent, std::string const &Path);
time_t GetModificationTime(std::string const &Path);
+std::string GetTempDir();
+
/** \brief Ensure the existence of the given Path
*
* \param Parent directory of the Path directory - a trailing
@@ -184,6 +186,7 @@ void SetNonBlock(int Fd,bool Block);
bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
pid_t ExecFork();
pid_t ExecFork(std::set<int> keep_fds);
+void MergeKeepFdsFromConfiguration(std::set<int> &keep_fds);
bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
// File string manipulators
diff --git a/apt-pkg/contrib/gpgv.cc b/apt-pkg/contrib/gpgv.cc
index f47e7ea48..f57a72d86 100644
--- a/apt-pkg/contrib/gpgv.cc
+++ b/apt-pkg/contrib/gpgv.cc
@@ -10,6 +10,7 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
+#include <unistd.h>
#include<apt-pkg/configuration.h>
#include<apt-pkg/error.h>
@@ -21,16 +22,9 @@
/*}}}*/
static char * GenerateTemporaryFileTemplate(const char *basename) /*{{{*/
{
- const char *tmpdir = getenv("TMPDIR");
-#ifdef P_tmpdir
- if (!tmpdir)
- tmpdir = P_tmpdir;
-#endif
- if (!tmpdir)
- tmpdir = "/tmp";
-
std::string out;
- strprintf(out, "%s/%s.XXXXXX", tmpdir, basename);
+ std::string tmpdir = GetTempDir();
+ strprintf(out, "%s/%s.XXXXXX", tmpdir.c_str(), basename);
return strdup(out.c_str());
}
/*}}}*/
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index e1a431823..b4c768db9 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -55,6 +55,26 @@ HashString::HashString(std::string StringedHash) /*{{{*/
/*}}}*/
bool HashString::VerifyFile(std::string filename) const /*{{{*/
{
+ std::string fileHash = GetHashForFile(filename);
+
+ if(_config->FindB("Debug::Hashes",false) == true)
+ std::clog << "HashString::VerifyFile: got: " << fileHash << " expected: " << toStr() << std::endl;
+
+ return (fileHash == Hash);
+}
+ /*}}}*/
+bool HashString::FromFile(std::string filename) /*{{{*/
+{
+ // pick the strongest hash
+ if (Type == "")
+ Type = _SupportedHashes[0];
+
+ Hash = GetHashForFile(filename);
+ return true;
+}
+ /*}}}*/
+std::string HashString::GetHashForFile(std::string filename) const /*{{{*/
+{
std::string fileHash;
FileFd Fd(filename, FileFd::ReadOnly);
@@ -84,10 +104,7 @@ bool HashString::VerifyFile(std::string filename) const /*{{{*/
}
Fd.Close();
- if(_config->FindB("Debug::Hashes",false) == true)
- std::clog << "HashString::VerifyFile: got: " << fileHash << " expected: " << toStr() << std::endl;
-
- return (fileHash == Hash);
+ return fileHash;
}
/*}}}*/
const char** HashString::SupportedHashes()
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 0c0b6c6a7..0a8bcd259 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -36,7 +36,10 @@ class HashString
protected:
std::string Type;
std::string Hash;
- static const char * _SupportedHashes[10];
+ static const char* _SupportedHashes[10];
+
+ // internal helper
+ std::string GetHashForFile(std::string filename) const;
public:
HashString(std::string Type, std::string Hash);
@@ -49,6 +52,10 @@ class HashString
// verify the given filename against the currently loaded hash
bool VerifyFile(std::string filename) const;
+ // generate a hash string from the given filename
+ bool FromFile(std::string filename);
+
+
// helper
std::string toStr() const; // convert to str as "type:hash"
bool empty() const;
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 9f794927d..962112854 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -49,6 +49,14 @@ std::string Strip(const std::string &s)
size_t end = s.find_last_not_of(" \t\n");
return s.substr(start, end-start+1);
}
+
+bool Endswith(const std::string &s, const std::string &end)
+{
+ if (end.size() > s.size())
+ return false;
+ return (s.substr(s.size() - end.size(), s.size()) == end);
+}
+
}
}
/*}}}*/
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index c8fc317c0..8d746f10e 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -36,6 +36,7 @@ using std::ostream;
namespace APT {
namespace String {
std::string Strip(const std::string &s);
+ bool Endswith(const std::string &s, const std::string &ending);
};
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 11:48:16 +0000