projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 22a1292a | 1 | /* Test for access to FILE using effective UID and GID. Hurd version. |
| b168057a | 2 | Copyright (C) 1991-2015 Free Software Foundation, Inc. |
| 478b92f0 UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 478b92f0 UD |
9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 478b92f0 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 22a1292a RM |
18 | |
| 19 | #include <errno.h> | |
| 20 | #include <stddef.h> | |
| 21 | #include <unistd.h> | |
| f0bf9cb9 | 22 | #include <fcntl.h> |
| 22a1292a RM |
23 | #include <hurd.h> |
| 24 | ||
| 25 | int | |
| 0d8733c4 | 26 | __euidaccess (file, type) |
| 22a1292a RM |
27 | const char *file; |
| 28 | int type; | |
| 29 | { | |
| f0bf9cb9 | 30 | error_t err; |
| 22a1292a RM |
31 | file_t port; |
| 32 | int allowed, flags; | |
| 33 | ||
| 34 | port = __file_name_lookup (file, 0, 0); | |
| 35 | if (port == MACH_PORT_NULL) | |
| 36 | return -1; | |
| 37 | ||
| 38 | /* Find out what types of access we are allowed to this file. */ | |
| f0bf9cb9 RM |
39 | err = __file_check_access (port, &allowed); |
| 40 | __mach_port_deallocate (__mach_task_self (), port); | |
| 22a1292a RM |
41 | if (err) |
| 42 | return __hurd_fail (err); | |
| 43 | ||
| 44 | flags = 0; | |
| 45 | if (type & R_OK) | |
| 46 | flags |= O_READ; | |
| 47 | if (type & W_OK) | |
| 48 | flags |= O_WRITE; | |
| 49 | if (type & X_OK) | |
| 50 | flags |= O_EXEC; | |
| 51 | ||
| 52 | if (flags & ~allowed) | |
| 53 | /* We are not allowed all the requested types of access. */ | |
| 54 | return __hurd_fail (EACCES); | |
| 55 | ||
| 56 | return 0; | |
| 57 | } | |
| 0d8733c4 | 58 | weak_alias (__euidaccess, euidaccess) |
| cb483e04 | 59 | weak_alias (__euidaccess, eaccess) |