+2016-01-20 Rishabh Dave <rishabhddave@gmail.com>
+ * src/files.c (verify_path, open_buffer): When opening a new buffer,
+ verify that the containing directory of the given filename exists.
+ * src/files.c (do_lockfile): Remove the existence check on the
+ directory, as this is now covered by verify_path().
+
2016-01-17 Benno Schulenberg <bensberg@justemail.net>
* src/global.c: Fix typo in #ifndef symbol. Reported by Frank.
* doc/syntax/nanorc.nanorc: Remove '+' as only one menu is allowed.
#include <pwd.h>
#include <libgen.h>
+/* Determine whether the containing directory of the given filename exists.
+ * Pass the result back in the global variable valid_path. */
+void verify_path(const char *filename)
+{
+ char *parentdir;
+ struct stat parentinfo;
+
+ if (strrchr(filename, '/') == NULL)
+ parentdir = mallocstrcpy(NULL, ".");
+ else
+ parentdir = dirname(mallocstrcpy(NULL, filename));
+
+ if (stat(parentdir, &parentinfo) != -1 && S_ISDIR(parentinfo.st_mode))
+ valid_path = TRUE;
+ else {
+ statusbar(_("Directory '%s' does not exist"), parentdir);
+ valid_path = FALSE;
+ beep();
+ }
+
+ free(parentdir);
+}
+
/* Add an entry to the openfile openfilestruct. This should only be
* called from open_buffer(). */
void make_new_buffer(void)
titlebar(NULL);
#ifndef NANO_TINY
- if (!ISSET(LOCKING) || openfile->filename[0] == '\0')
+ if (!ISSET(LOCKING) || openfile->filename[0] == '\0' || !valid_path)
return;
if (openfile->lock_filename == NULL) {
size_t locknamesize = strlen(filename) + strlen(locking_prefix)
+ strlen(locking_suffix) + 3;
char *lockfilename = charalloc(locknamesize);
- char *lockfiledir = NULL;
static char lockprog[11], lockuser[17];
struct stat fileinfo;
int lockfd, lockpid;
blank_statusbar();
return -1;
}
- } else {
- lockfiledir = mallocstrcpy(NULL, lockfilename);
- lockfiledir = dirname(lockfiledir);
- if (stat(lockfiledir, &fileinfo) == -1) {
- statusbar(_("Error writing lock file: Directory \'%s\' doesn't exist"),
- lockfiledir);
- free(lockfiledir);
- return 0;
- }
- free(lockfiledir);
}
-
return write_lockfile(lockfilename, filename, FALSE);
}
#endif /* !NANO_TINY */
if (new_buffer) {
make_new_buffer();
+ verify_path(filename);
+
+ if (valid_path) {
#ifndef NANO_TINY
if (ISSET(LOCKING) && filename[0] != '\0') {
int lockstatus = do_lockfile(filename);
}
}
#endif
+ }
}
/* If the filename isn't blank, and we are not in NOREAD_MODE,
}
if (newfie) {
- if (!quiet)
+ if (!quiet && valid_path)
statusbar(_("New File"));
return -2;
}
extern bool meta_key;
extern bool func_key;
extern bool focusing;
+extern bool valid_path;
#ifndef NANO_TINY
extern int controlleft;
void do_uncut_text(void);
/* All functions in files.c. */
+void verify_path(const char *filename);
void make_new_buffer(void);
void initialize_buffer_text(void);
bool open_buffer(const char *filename, bool undoable);