2 * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
15 #include <sys/types.h>
24 #include "../preload.h"
26 static main_t __main__;
28 static int __preload_main__(int argc, char **argv, char **envp)
31 char *env_file = getenv("SECCOMP_FILE");
34 INFO("preload-seccomp: %s: not root, cannot install seccomp filter\n", *argv);
38 if (install_syscall_filter(*argv, env_file))
41 unsetenv("LD_PRELOAD");
42 unsetenv("SECCOMP_FILE");
44 return (*__main__)(argc, argv, envp);
47 int __libc_start_main(main_t main,
53 void (*rtld_fini) (void),
56 start_main_t __start_main__;
58 __start_main__ = dlsym(RTLD_NEXT, "__libc_start_main");
60 INFO("failed to find __libc_start_main %s\n", dlerror());
64 return (*__start_main__)(__preload_main__, argc, argv, auxvec,
65 init, fini, rtld_fini, stack_end);
68 void __uClibc_main(main_t main,
71 void (*app_init)(void),
72 void (*app_fini)(void),
73 void (*rtld_fini)(void),
74 void *stack_end attribute_unused)
76 uClibc_main __start_main__;
78 __start_main__ = dlsym(RTLD_NEXT, "__uClibc_main");
80 INFO("failed to find __uClibc_main %s\n", dlerror());
84 return (*__start_main__)(__preload_main__, argc, argv,
85 app_init, app_fini, rtld_fini, stack_end);