diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/euidaccess.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/euidaccess.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/euidaccess.c b/REORG.TODO/sysdeps/mach/hurd/euidaccess.c new file mode 100644 index 0000000000..d2926d5dae --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/euidaccess.c @@ -0,0 +1,57 @@ +/* Test for access to FILE using effective UID and GID. Hurd version. + Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> +#include <fcntl.h> +#include <hurd.h> + +int +__euidaccess (const char *file, int type) +{ + error_t err; + file_t port; + int allowed, flags; + + port = __file_name_lookup (file, 0, 0); + if (port == MACH_PORT_NULL) + return -1; + + /* Find out what types of access we are allowed to this file. */ + err = __file_check_access (port, &allowed); + __mach_port_deallocate (__mach_task_self (), port); + if (err) + return __hurd_fail (err); + + flags = 0; + if (type & R_OK) + flags |= O_READ; + if (type & W_OK) + flags |= O_WRITE; + if (type & X_OK) + flags |= O_EXEC; + + if (flags & ~allowed) + /* We are not allowed all the requested types of access. */ + return __hurd_fail (EACCES); + + return 0; +} +weak_alias (__euidaccess, euidaccess) +weak_alias (__euidaccess, eaccess) |