| /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2014 Lennart Poettering |
| |
| systemd 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. |
| |
| systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <string.h> |
| |
| #include "util.h" |
| #include "cap-list.h" |
| #include "missing.h" |
| |
| static const struct capability_name* lookup_capability(register const char *str, register unsigned int len); |
| |
| #include "cap-to-name.h" |
| #include "cap-from-name.h" |
| |
| const char *capability_to_name(int id) { |
| |
| if (id < 0) |
| return NULL; |
| |
| if (id >= (int) ELEMENTSOF(capability_names)) |
| return NULL; |
| |
| return capability_names[id]; |
| } |
| |
| int capability_from_name(const char *name) { |
| const struct capability_name *sc; |
| int r, i; |
| |
| assert(name); |
| |
| /* Try to parse numeric capability */ |
| r = safe_atoi(name, &i); |
| if (r >= 0 && i >= 0) |
| return i; |
| |
| /* Try to parse string capability */ |
| sc = lookup_capability(name, strlen(name)); |
| if (!sc) |
| return -EINVAL; |
| |
| return sc->id; |
| } |
| |
| int capability_list_length(void) { |
| return (int) ELEMENTSOF(capability_names); |
| } |