From 79c077224be5a868d0bba66972ef9546dae85977 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Wed, 11 Apr 2012 16:39:31 +0200 Subject: put acl.la in 'if HAVE_ACL' and rename acl.[ch] to acl-util.[ch] --- src/shared/acl-util.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/shared/acl-util.c (limited to 'src/shared/acl-util.c') diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c new file mode 100644 index 0000000000..a2a9f9a22b --- /dev/null +++ b/src/shared/acl-util.c @@ -0,0 +1,68 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2011 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include +#include +#include + +#include "acl-util.h" + +int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry) { + acl_entry_t i; + int found; + + assert(acl); + assert(entry); + + for (found = acl_get_entry(acl, ACL_FIRST_ENTRY, &i); + found > 0; + found = acl_get_entry(acl, ACL_NEXT_ENTRY, &i)) { + + acl_tag_t tag; + uid_t *u; + bool b; + + if (acl_get_tag_type(i, &tag) < 0) + return -errno; + + if (tag != ACL_USER) + continue; + + u = acl_get_qualifier(i); + if (!u) + return -errno; + + b = *u == uid; + acl_free(u); + + if (b) { + *entry = i; + return 1; + } + } + + if (found < 0) + return -errno; + + return 0; +} -- cgit v1.2.3-54-g00ecf