X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d22bcfc4b0b2d0056126a1c690f778b1c3ddaf17..34e8a998eb9e4f75f989acc6f8b9db8010e56b7c:/apt-pkg/contrib/cdromutl.cc

diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 6f00e1451..6dce82fe1 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -64,41 +64,50 @@ bool UnmountCdrom(string Path)
 {
    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;
@@ -122,8 +131,15 @@ bool MountCdrom(string Path)
       {
 	 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);
       }      
@@ -176,7 +192,8 @@ bool IdentCdrom(string CD,string &Res,unsigned int Version)
       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