[SCM] Samba Shared Repository - branch v3-3-test updated - release-3-2-0pre2-4908-g544faeb

[Jeff Layton]

The branch, v3-3-test has been updated
       via  544faebe894b2b0661d6c9fe68ee7c01945ee824 (commit)
      from  91c78b7d2bbb52015378f2a9752e783df33a6fff (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-3-test


- Log -----------------------------------------------------------------
commit 544faebe894b2b0661d6c9fe68ee7c01945ee824
Author: Shirish Pargaonkar <shirishpargaon...@gmail.com>
Date:   Thu Feb 5 14:16:53 2009 -0500

    umount.cifs: clean-up entries in /etc/mtab after unmount
    
    This patch removes the remaining entry in /etc/mtab after a filesystem
    is unmounted by canonicalizing the mountpoint supplied on the command
    line.
    
    Please refer to bug 4370 in samba bugzilla.

-----------------------------------------------------------------------

Summary of changes:
 source/client/umount.cifs.c |   34 +++++++++++++++++++++++++++++++++-
 1 files changed, 33 insertions(+), 1 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source/client/umount.cifs.c b/source/client/umount.cifs.c
index aff7cea..81925ed 100644
--- a/source/client/umount.cifs.c
+++ b/source/client/umount.cifs.c
@@ -33,6 +33,7 @@
 #include <errno.h>
 #include <string.h>
 #include <mntent.h>
+#include <limits.h>
 #include "mount.h"
 
 #define UNMOUNT_CIFS_VERSION_MAJOR "0"
@@ -231,6 +232,37 @@ static int remove_from_mtab(char * mountpoint)
        return rc;
 }
 
+/* Make a canonical pathname from PATH.  Returns a freshly malloced string.
+   It is up the *caller* to ensure that the PATH is sensible.  i.e.
+   canonicalize ("/dev/fd0/.") returns "/dev/fd0" even though ``/dev/fd0/.''
+   is not a legal pathname for ``/dev/fd0''  Anything we cannot parse
+   we return unmodified.   */
+static char *
+canonicalize(char *path)
+{
+       char *canonical = malloc (PATH_MAX + 1);
+
+       if (!canonical) {
+               fprintf(stderr, "Error! Not enough memory!\n");
+               return NULL;
+       }
+
+       if (strlen(path) > PATH_MAX) {
+               fprintf(stderr, "Mount point string too long\n");
+               return NULL;
+       }
+
+       if (path == NULL)
+               return NULL;
+
+       if (realpath (path, canonical))
+               return canonical;
+
+       strncpy (canonical, path, PATH_MAX);
+       canonical[PATH_MAX] = '\0';
+       return canonical;
+}
+
 int main(int argc, char ** argv)
 {
        int c;
@@ -304,7 +336,7 @@ int main(int argc, char ** argv)
        argv += optind;
        argc -= optind;
 
-       mountpoint = argv[0];
+       mountpoint = canonicalize(argv[0]);
 
        if((argc < 1) || (argv[0] == NULL)) {
                printf("\nMissing name of unmount directory\n");


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