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| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-10-23 00:43:27 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-10-23 00:43:27 +0200 |
| commit | 3bb7ad61aa05fca94fe508914ad5bbf4cf3a86f6 (patch) | |
| tree | 634aec15fd8fa49084a271d79eb848b9b3da7ced | |
| parent | 89e63156991a50263eb6481934ce1c40e4a13036 (diff) | |
| download | plan9front-3bb7ad61aa05fca94fe508914ad5bbf4cf3a86f6.tar.xz | |
lib9p: prevent files from being created in deleted directories (thanks BurnZeZ)
| -rw-r--r-- | sys/src/lib9p/file.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/src/lib9p/file.c b/sys/src/lib9p/file.c index 54e09d278..476a8e052 100644 --- a/sys/src/lib9p/file.c +++ b/sys/src/lib9p/file.c @@ -191,6 +191,12 @@ createfile(File *fp, char *name, char *uid, ulong perm, void *aux) } wlock(fp); + if(fp->parent == nil){ + wunlock(fp); + werrstr("create in deleted directory"); + return nil; + } + /* * We might encounter blank spots along the * way due to deleted files that have not yet |