##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/cdromutl.h"
-#endif
#include <apt-pkg/cdromutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/md5.h>
{
if (IsMounted(Path) == false)
return true;
-
- int Child = ExecFork();
- // The child
- if (Child == 0)
+ for (int i=0;i<3;i++)
{
- // Make all the fds /dev/null
- for (int I = 0; I != 3; I++)
- dup2(open("/dev/null",O_RDWR),I);
+
+ int Child = ExecFork();
- if (_config->Exists("Acquire::cdrom::"+Path+"::UMount") == true)
+ // The child
+ if (Child == 0)
{
- if (system(_config->Find("Acquire::cdrom::"+Path+"::UMount").c_str()) != 0)
+ // Make all the fds /dev/null
+ for (int I = 0; I != 3; I++)
+ dup2(open("/dev/null",O_RDWR),I);
+
+ if (_config->Exists("Acquire::cdrom::"+Path+"::UMount") == true)
+ {
+ if (system(_config->Find("Acquire::cdrom::"+Path+"::UMount").c_str()) != 0)
+ _exit(100);
+ _exit(0);
+ }
+ else
+ {
+ const char *Args[10];
+ Args[0] = "umount";
+ Args[1] = Path.c_str();
+ Args[2] = 0;
+ execvp(Args[0],(char **)Args);
_exit(100);
- _exit(0);
+ }
}
- else
- {
- const char *Args[10];
- Args[0] = "umount";
- Args[1] = Path.c_str();
- Args[2] = 0;
- execvp(Args[0],(char **)Args);
- _exit(100);
- }
+
+ // if it can not be umounted, give it a bit more time
+ // this can happen when auto-mount magic or fs/cdrom prober attack
+ if (ExecWait(Child,"umount",true) == true)
+ return true;
+ sleep(1);
}
- // Wait for mount
- return ExecWait(Child,"umount",true);
+ return false;
}
/*}}}*/
// MountCdrom - Mount a cdrom /*{{{*/
// ---------------------------------------------------------------------
/* We fork mount and drop all messages */
-bool MountCdrom(string Path)
+bool MountCdrom(string Path, string DeviceName)
{
if (IsMounted(Path) == true)
return true;
{
const char *Args[10];
Args[0] = "mount";
- Args[1] = Path.c_str();
- Args[2] = 0;
+ if (DeviceName == "")
+ {
+ Args[1] = Path.c_str();
+ Args[2] = 0;
+ } else {
+ Args[1] = DeviceName.c_str();
+ Args[2] = Path.c_str();
+ Args[3] = 0;
+ }
execvp(Args[0],(char **)Args);
_exit(100);
}
bool IdentCdrom(string CD,string &Res,unsigned int Version)
{
MD5Summation Hash;
+ bool writable_media = false;
+
+ // if we are on a writable medium (like a usb-stick) that is just
+ // used like a cdrom don't use "." as it will constantly change,
+ // use .disk instead
+ if (access(CD.c_str(), W_OK) == 0 && DirectoryExists(CD+string("/.disk")))
+ {
+ writable_media = true;
+ CD = CD.append("/.disk");
+ if (_config->FindB("Debug::aptcdrom",false) == true)
+ std::clog << "Found writable cdrom, using alternative path: " << CD
+ << std::endl;
+ }
string StartDir = SafeGetCWD();
if (chdir(CD.c_str()) != 0)
Hash.Add(Dir->d_name);
};
- chdir(StartDir.c_str());
+ if (chdir(StartDir.c_str()) != 0)
+ return _error->Errno("chdir",_("Unable to change to %s"),StartDir.c_str());
closedir(D);
// Some stats from the fsys
struct statvfs Buf;
if (statvfs(CD.c_str(),&Buf) != 0)
return _error->Errno("statfs",_("Failed to stat the cdrom"));
-
+
// We use a kilobyte block size to advoid overflow
- sprintf(S,"%lu %lu",(long)(Buf.f_blocks*(Buf.f_bsize/1024)),
- (long)(Buf.f_bfree*(Buf.f_bsize/1024)));
+ if (writable_media)
+ {
+ sprintf(S,"%lu",(long)(Buf.f_blocks*(Buf.f_bsize/1024)));
+ } else {
+ sprintf(S,"%lu %lu",(long)(Buf.f_blocks*(Buf.f_bsize/1024)),
+ (long)(Buf.f_bfree*(Buf.f_bsize/1024)));
+ }
Hash.Add(S);
sprintf(S,"-%u",Version);
}