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Ensure the CAN_WRITE is checked and prevents O_CREAT and O_TRUNC from

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being set. Also prevent an open on a file on a readonly share from
setting delete on close.
Jeremy.
This commit is contained in:
Jeremy Allison
-
parent b69127391b
commit 1f3dcd99bd
2 changed files with 11 additions and 2 deletions
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4
source/smbd/open.c
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@@ -683,10 +683,10 @@ files_struct *open_file_shared(connection_struct *conn,char *fname, SMB_STRUCT_S
return NULL;
}
if (GET_FILE_CREATE_DISPOSITION(ofun) == FILE_CREATE_IF_NOT_EXIST)
if (CAN_WRITE(conn) && (GET_FILE_CREATE_DISPOSITION(ofun) == FILE_CREATE_IF_NOT_EXIST))
flags2 |= O_CREAT;
if (GET_FILE_OPEN_DISPOSITION(ofun) == FILE_EXISTS_TRUNCATE)
if (CAN_WRITE(conn) && (GET_FILE_OPEN_DISPOSITION(ofun) == FILE_EXISTS_TRUNCATE))
flags2 |= O_TRUNC;
if (GET_FILE_OPEN_DISPOSITION(ofun) == FILE_EXISTS_FAIL)