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)
30 char *env_file = getenv("SECCOMP_FILE");
32 if (install_syscall_filter(*argv, env_file))
35 unsetenv("LD_PRELOAD");
36 unsetenv("SECCOMP_FILE");
38 return (*__main__)(argc, argv, envp);
41 int __libc_start_main(main_t main,
47 void (*rtld_fini) (void),
50 start_main_t __start_main__;
52 __start_main__ = dlsym(RTLD_NEXT, "__libc_start_main");
54 INFO("failed to find __libc_start_main %s\n", dlerror());
58 return (*__start_main__)(__preload_main__, argc, argv, auxvec,
59 init, fini, rtld_fini, stack_end);
62 void __uClibc_main(main_t main,
65 void (*app_init)(void),
66 void (*app_fini)(void),
67 void (*rtld_fini)(void),
68 void *stack_end attribute_unused)
70 uClibc_main __start_main__;
72 __start_main__ = dlsym(RTLD_NEXT, "__uClibc_main");
74 INFO("failed to find __uClibc_main %s\n", dlerror());
78 return (*__start_main__)(__preload_main__, argc, argv,
79 app_init, app_fini, rtld_fini, stack_end);