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authorJeremy Allison <jra@samba.org>1998-09-19 03:34:12 +0000
committerJeremy Allison <jra@samba.org>1998-09-19 03:34:12 +0000
commitfc82bd2914c5687c0d03636ed05280c3506cea0c (patch)
treeaa63c119c0d27057352753baa7d5805bd0d96a81 /source3/smbd
parentac875597290a4519d6bbb2c476c4ba7ad3cf51c3 (diff)
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Small bit of paranioa. Ensure that if the incoming name to
unix_convert() was a single '\' (the base directory of the service) that it gets translated to a '.', not a '\0'. Jeremy. (This used to be commit f74f39f45fa55c1768d6622a52c494328f22f50b)
Diffstat (limited to 'source3/smbd')
-rw-r--r--source3/smbd/filename.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index caba4064d7..7cbb3392cb 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -150,7 +150,8 @@ static void stat_cache_add( char *full_orig_name, char *orig_translated_path)
/*
* Don't cache trivial valid directory entries.
*/
- if((strcmp(full_orig_name, ".") == 0) || (strcmp(full_orig_name, "..") == 0))
+ if((*full_orig_name == '\0') || (strcmp(full_orig_name, ".") == 0) ||
+ (strcmp(full_orig_name, "..") == 0))
return;
/*
@@ -245,7 +246,7 @@ static BOOL stat_cache_lookup( char *name, char *dirpath, char **start, SMB_STRU
/*
* Don't lookup trivial valid directory entries.
*/
- if((strcmp(name, ".") == 0) || (strcmp(name, "..") == 0)) {
+ if((*name == '\0') || (strcmp(name, ".") == 0) || (strcmp(name, "..") == 0)) {
global_stat_cache_misses++;
return False;
}
@@ -366,6 +367,17 @@ BOOL unix_convert(char *name,connection_struct *conn,char *saved_last_component,
trim_string(name,"/","/");
/*
+ * If we trimmed down to a single '\0' character
+ * then we should use the "." directory to avoid
+ * searching the cache.
+ */
+
+ if(!*name) {
+ name[0] = '.';
+ name[1] = '\0';
+ }
+
+ /*
* Ensure saved_last_component is valid even if file exists.
*/