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authorMichael Vogt <mvo@debian.org>2013-10-22 16:53:32 +0200
committerMichael Vogt <mvo@debian.org>2013-10-22 16:53:32 +0200
commitf62f17b489405432a3125e51471d8a00e78c5170 (patch)
treece2a6e077cb0846e75cbb3d583f4152608100adb /apt-pkg/contrib/fileutl.cc
parent9aa9db9c88fca3a9266427b0d5cc9ad53df7207e (diff)
parentc08cf1dc784a98a253296a51433f6de7d16d3125 (diff)
Merge branch 'debian/sid' into ubuntu/master
Conflicts: cmdline/apt-key configure.ac debian/apt.auto-removal.sh debian/changelog debian/control debian/rules po/apt-all.pot po/ar.po po/ast.po po/bg.po po/bs.po po/ca.po po/cs.po po/cy.po po/da.po po/de.po po/dz.po po/el.po po/es.po po/eu.po po/fi.po po/fr.po po/gl.po po/hu.po po/it.po po/ja.po po/km.po po/ko.po po/ku.po po/lt.po po/mr.po po/nb.po po/ne.po po/nl.po po/nn.po po/pl.po po/pt.po po/pt_BR.po po/ro.po po/ru.po po/sk.po po/sl.po po/sv.po po/th.po po/tl.po po/uk.po po/vi.po po/zh_CN.po po/zh_TW.po
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
-rw-r--r--apt-pkg/contrib/fileutl.cc110
1 files changed, 83 insertions, 27 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 0f88923cf..0261119ba 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -41,6 +41,8 @@
#include <dirent.h>
#include <signal.h>
#include <errno.h>
+#include <glob.h>
+
#include <set>
#include <algorithm>
@@ -244,17 +246,20 @@ int GetLock(string File,bool Errors)
fl.l_len = 0;
if (fcntl(FD,F_SETLK,&fl) == -1)
{
+ // always close to not leak resources
+ int Tmp = errno;
+ close(FD);
+ errno = Tmp;
+
if (errno == ENOLCK)
{
_error->Warning(_("Not using locking for nfs mounted lock file %s"),File.c_str());
return dup(0); // Need something for the caller to close
- }
+ }
+
if (Errors == true)
_error->Errno("open",_("Could not get lock %s"),File.c_str());
- int Tmp = errno;
- close(FD);
- errno = Tmp;
return -1;
}
@@ -651,9 +656,9 @@ string flNoLink(string File)
while (1)
{
// Read the link
- int Res;
+ ssize_t Res;
if ((Res = readlink(NFile.c_str(),Buffer,sizeof(Buffer))) <= 0 ||
- (unsigned)Res >= sizeof(Buffer))
+ (size_t)Res >= sizeof(Buffer))
return File;
// Append or replace the previous path
@@ -941,9 +946,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if ((Mode & Atomic) == Atomic)
{
Flags |= Replace;
- char *name = strdup((FileName + ".XXXXXX").c_str());
- TemporaryFileName = string(mktemp(name));
- free(name);
}
else if ((Mode & (Exclusive | Create)) == (Exclusive | Create))
{
@@ -966,11 +968,24 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if_FLAGGED_SET(Create, O_CREAT);
if_FLAGGED_SET(Empty, O_TRUNC);
if_FLAGGED_SET(Exclusive, O_EXCL);
- else if_FLAGGED_SET(Atomic, O_EXCL);
#undef if_FLAGGED_SET
- if (TemporaryFileName.empty() == false)
- iFd = open(TemporaryFileName.c_str(), fileflags, Perms);
+ if ((Mode & Atomic) == Atomic)
+ {
+ char *name = strdup((FileName + ".XXXXXX").c_str());
+
+ if((iFd = mkstemp(name)) == -1)
+ {
+ free(name);
+ return FileFdErrno("mkstemp", "Could not create temporary file for %s", FileName.c_str());
+ }
+
+ TemporaryFileName = string(name);
+ free(name);
+
+ if(Perms != 600 && fchmod(iFd, Perms) == -1)
+ return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
+ }
else
iFd = open(FileName.c_str(), fileflags, Perms);
@@ -1218,11 +1233,9 @@ FileFd::~FileFd()
{
Close();
if (d != NULL)
- {
d->CloseDown(FileName);
- delete d;
- d = NULL;
- }
+ delete d;
+ d = NULL;
}
/*}}}*/
// FileFd::Read - Read a bit of the file /*{{{*/
@@ -1231,7 +1244,7 @@ FileFd::~FileFd()
gracefully. */
bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
{
- int Res;
+ ssize_t Res;
errno = 0;
if (Actual != 0)
*Actual = 0;
@@ -1331,7 +1344,7 @@ char* FileFd::ReadLine(char *To, unsigned long long const Size)
/* */
bool FileFd::Write(const void *From,unsigned long long Size)
{
- int Res;
+ ssize_t Res;
errno = 0;
do
{
@@ -1385,7 +1398,7 @@ bool FileFd::Write(const void *From,unsigned long long Size)
}
bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
{
- int Res;
+ ssize_t Res;
errno = 0;
do
{
@@ -1458,14 +1471,14 @@ bool FileFd::Seek(unsigned long long To)
d->seekpos = To;
return true;
}
- int res;
+ off_t res;
#ifdef HAVE_ZLIB
if (d != NULL && d->gz)
res = gzseek(d->gz,To,SEEK_SET);
else
#endif
res = lseek(iFd,To,SEEK_SET);
- if (res != (signed)To)
+ if (res != (off_t)To)
return FileFdError("Unable to seek to %llu", To);
if (d != NULL)
@@ -1496,7 +1509,7 @@ bool FileFd::Skip(unsigned long long Over)
return true;
}
- int res;
+ off_t res;
#ifdef HAVE_ZLIB
if (d != NULL && d->gz != NULL)
res = gzseek(d->gz,Over,SEEK_CUR);
@@ -1598,7 +1611,11 @@ unsigned long long FileFd::Size()
char ignore[1000];
unsigned long long read = 0;
do {
- Read(ignore, sizeof(ignore), &read);
+ if (Read(ignore, sizeof(ignore), &read) == false)
+ {
+ Seek(oldSeek);
+ return 0;
+ }
} while(read != 0);
size = Tell();
Seek(oldSeek);
@@ -1615,10 +1632,16 @@ unsigned long long FileFd::Size()
* bits of the file */
// FIXME: Size for gz-files is limited by 32bit… no largefile support
if (lseek(iFd, -4, SEEK_END) < 0)
- return FileFdErrno("lseek","Unable to seek to end of gzipped file");
- size = 0L;
+ {
+ FileFdErrno("lseek","Unable to seek to end of gzipped file");
+ return 0;
+ }
+ size = 0;
if (read(iFd, &size, 4) != 4)
- return FileFdErrno("read","Unable to read original size of gzipped file");
+ {
+ FileFdErrno("read","Unable to read original size of gzipped file");
+ return 0;
+ }
#ifdef WORDS_BIGENDIAN
uint32_t tmp_size = size;
@@ -1628,7 +1651,10 @@ unsigned long long FileFd::Size()
#endif
if (lseek(iFd, oldPos, SEEK_SET) < 0)
- return FileFdErrno("lseek","Unable to seek in gzipped file");
+ {
+ FileFdErrno("lseek","Unable to seek in gzipped file");
+ return 0;
+ }
return size;
}
@@ -1752,3 +1778,33 @@ bool FileFd::FileFdError(const char *Description,...) {
/*}}}*/
gzFile FileFd::gzFd() { return (gzFile) d->gz; }
+
+
+// Glob - wrapper around "glob()" /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+std::vector<std::string> Glob(std::string const &pattern, int flags)
+{
+ std::vector<std::string> result;
+ glob_t globbuf;
+ int glob_res;
+ unsigned int i;
+
+ glob_res = glob(pattern.c_str(), flags, NULL, &globbuf);
+
+ if (glob_res != 0)
+ {
+ if(glob_res != GLOB_NOMATCH) {
+ _error->Errno("glob", "Problem with glob");
+ return result;
+ }
+ }
+
+ // append results
+ for(i=0;i<globbuf.gl_pathc;i++)
+ result.push_back(string(globbuf.gl_pathv[i]));
+
+ globfree(&globbuf);
+ return result;
+}
+ /*}}}*/