1
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4
This file is part of systemd.
6
Copyright 2010 Lennart Poettering
8
systemd is free software; you can redistribute it and/or modify it
9
under the terms of the GNU General Public License as published by
10
the Free Software Foundation; either version 2 of the License, or
11
(at your option) any later version.
13
systemd is distributed in the hope that it will be useful, but
14
WITHOUT ANY WARRANTY; without even the implied warranty of
15
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
General Public License for more details.
18
You should have received a copy of the GNU General Public License
19
along with systemd; If not, see <http://www.gnu.org/licenses/>.
35
static int delete_rule(const char *rule) {
36
char *x, *fn = NULL, *e;
41
if (!(x = strdup(rule)))
44
e = strchrnul(x+1, x[0]);
47
asprintf(&fn, "/proc/sys/fs/binfmt_misc/%s", x+1);
53
r = write_one_line_file(fn, "-1");
59
static int apply_rule(const char *rule) {
64
if ((r = write_one_line_file("/proc/sys/fs/binfmt_misc/register", rule)) < 0) {
65
log_error("Failed to add binary format: %s", strerror(-r));
72
static int apply_file(const char *path, bool ignore_enoent) {
78
if (!(f = fopen(path, "re"))) {
79
if (ignore_enoent && errno == ENOENT)
82
log_error("Failed to open file '%s', ignoring: %m", path);
86
log_debug("apply: %s\n", path);
91
if (!fgets(l, sizeof(l), f)) {
95
log_error("Failed to read file '%s', ignoring: %m", path);
105
if (strchr(COMMENTS, *p))
108
if ((k = apply_rule(p)) < 0 && r == 0)
118
int main(int argc, char *argv[]) {
122
log_error("This program expects one or no arguments.");
126
log_set_target(LOG_TARGET_AUTO);
127
log_parse_environment();
133
r = apply_file(argv[1], false);
137
/* Flush out all rules */
138
write_one_line_file("/proc/sys/fs/binfmt_misc/status", "-1");
140
r = conf_files_list(&files, ".conf",
143
"/usr/local/lib/binfmt.d",
148
log_error("Failed to enumerate binfmt.d files: %s", strerror(-r));
152
STRV_FOREACH(f, files) {
155
k = apply_file(*f, true);
163
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;