C++ (Cpp) ptrace_find_dlinfo Examples

Example #1

File: inject.c Project: qingkouwei/libandroidinjector

int main(int argc, char *argv[]) {
    int pid;
    struct link_map *map;
    struct elf_info einfo;

    extern dl_fl_t ldl;

    void *handle = NULL;
    long proc = 0;
    long hooker_fopen = 0;
    (void)argc;
    pid = atoi(argv[1]);
    ptrace_attach(pid);


    ptrace_find_dlinfo(pid);



    handle = ptrace_dlopen(pid, "/system/lib/libmynet.so",1);
    printf("ptrace_dlopen handle %p\n",handle);
    proc = (long)ptrace_dlsym(pid, handle, "my_connect");
    printf("my_connect = %lx\n",proc);
    replace_all_rels(pid, "connect", proc, sos);
    ptrace_detach(pid);
    exit(0);

}

Example #2

File: inject.c Project: ecit241/undercover

int main(int argc, char* argv[]) {
	int pid;
	struct link_map *map;
	struct elf_info einfo;

	extern dl_fl_t ldl;

	void *handle = NULL;
	long proc = 0;
	long hooker_fopen = 0;
	char pathfile[100];

	if (argc != 4) {
		LOGE("illegal arguments, injection reject");
		return -1;
	}
	LOGD("inject begin");

	pid = find_pid_of(argv[1]);
	ptrace_attach(pid);

	ptrace_find_dlinfo(pid);

	handle = ptrace_dlopen(pid, str_contact(argv[2], HOOK_LIB), 1);
	printf("ptrace_dlopen handle %p\n", handle);
	proc = (long) ptrace_dlsym(pid, handle, "hook");
	printf("main = %lx\n", proc);
	ptrace_arg arg;
	arg.s = argv[3];
	arg.type = PAT_STR;
	static char buffer[0x1000];
	strcpy(buffer, argv[1]);
	strcat(buffer, "#");
	strcat(buffer, argv[3]);
	arg.s = buffer;
	printf("arg.s=%s\n", arg.s);
	ptrace_call(pid, proc, 1, &arg);
	ptrace_detach(pid);
	LOGD("inject end");
	exit(0);
	return 0;
}