diff options
-rw-r--r-- | BUGS | 2 | ||||
-rw-r--r-- | fs.c | 6 |
2 files changed, 6 insertions, 2 deletions
@@ -33,7 +33,5 @@ ide.c: synchronous disk write -> polling disk write. search for fs.c: split all name operations off in name.c? (starting with namei but move wdir keep in fs.c) - unlink . and .. should be disallowed - ls.c: apply tim's patch @@ -579,6 +579,12 @@ namei(char *path, int mode, uint *ret_off, found: if(mode == NAMEI_DELETE && *cp == '\0'){ + // can't unlink . and .. + if((i == 1 && memcmp(cp-1, ".", 1) == 0) || + (i == 2 && memcmp(cp-2, "..", 2) == 0)){ + iput(dp); + return 0; + } *ret_off = off; return dp; } |