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Verifying that a named and existing file is a normal file, to avoid

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opening an empty buffer when the name of a directory is specified. 


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5304 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg 2015-07-17 20:40:44 +00:00
parent 8cde95e170
commit 98ffb642f3
2 changed files with 22 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2015-07-17 Benno Schulenberg <bensberg@justemail.net>
* src/files.c (open_buffer): Verify that a named and existing file
is a normal file, to avoid opening an empty buffer when the name of
a directory is specified. This fixes Savannah bug #45383 reported
by Mike Frysinger, and also Savannah bug #27839 (which is an echo
from Debian bug #551717 reported by Paul Wise).
2015-07-17 Mike Frysinger <vapier@gentoo.org>
* src/browser.c (browser_refresh): Use the proper type (off_t) for
the size of a file, and avoid warnings about too large bit shifts.

15
src/files.c
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@ -339,6 +339,21 @@ void open_buffer(const char *filename, bool undoable)
}
#endif
/* When the specified filename is not empty, and the thing exists,
* verify that it is a normal file. */
if (strcmp(filename, "") != 0) {
struct stat fileinfo;
if (stat(filename, &fileinfo) == 0 && !S_ISREG(fileinfo.st_mode)) {
if (S_ISDIR(fileinfo.st_mode))
statusbar(_("\"%s\" is a directory"), filename);
else
statusbar(_("\"%s\" is not a normal file"), filename);
beep();
return;
}
}
/* If we're going to load into a new buffer, first create the new
* buffer and lock the corresponding file. */
if (new_buffer) {