diff options
Diffstat (limited to 'src/libbasic/src/cap-list.c')
-rw-r--r-- | src/libbasic/src/cap-list.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/libbasic/src/cap-list.c b/src/libbasic/src/cap-list.c new file mode 100644 index 0000000000..3e773a06f5 --- /dev/null +++ b/src/libbasic/src/cap-list.c @@ -0,0 +1,66 @@ +/*** + 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 <errno.h> +#include <string.h> + +#include "cap-list.h" +#include "macro.h" +#include "missing.h" +#include "parse-util.h" +#include "util.h" + +static const struct capability_name* lookup_capability(register const char *str, register unsigned int len); + +#include "cap-from-name.h" +#include "cap-to-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); +} |