diff options
Diffstat (limited to 'winsup/cygwin/uinfo.cc')
| -rw-r--r-- | winsup/cygwin/uinfo.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc index f78e484dd..6186327b6 100644 --- a/winsup/cygwin/uinfo.cc +++ b/winsup/cygwin/uinfo.cc @@ -1827,6 +1827,13 @@ pwdgrp::fetch_account_from_windows (fetch_user_arg_t &arg, cyg_ldap *pldap) fq_name = false; /* Copy over to wchar for search. */ sys_mbstowcs (name, UNLEN + 1, arg.name); + /* If the incoming name has a backslash or at sign, and neither backslash + nor at are the domain separator chars, the name is invalid. */ + if ((p = wcspbrk (name, L"\\@")) && *p != cygheap->pg.nss_separator ()[0]) + { + debug_printf ("Invalid account name <%s> (backslash/at)", arg.name); + return NULL; + } /* Replace domain separator char with backslash and make sure p is NULL or points to the backslash. */ if ((p = wcschr (name, cygheap->pg.nss_separator ()[0]))) |