Add http and translate for signal (#73)

* use BPF_NO_GLOBAL_DATA

to avoid error on old kernel versions or libbpf versions,
use BPF_NO_GLOBAL_DATA

* add translate of replace

* add socket

* add socket http impl

* improve userspace program

* add desc for http

* update translate to eng

* add ci for 32

src/27-replace/replace.h

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: BSD-3-Clause
+#ifndef BAD_BPF_COMMON_H
+#define BAD_BPF_COMMON_H
+
+// These are used by a number of
+// different programs to sync eBPF Tail Call
+// login between user space and kernel
+#define PROG_00 0
+#define PROG_01 1
+#define PROG_02 2
+
+// Used when replacing text
+#define FILENAME_LEN_MAX 50
+#define TEXT_LEN_MAX 20
+
+// Simple message structure to get events from eBPF Programs
+// in the kernel to user spcae
+#define TASK_COMM_LEN 16
+#define LOCAL_BUFF_SIZE 64
+#define loop_size 64
+#define text_len_max 20
+
+struct event {
+    int pid;
+    char comm[TASK_COMM_LEN];
+    bool success;
+};
+
+#endif  // BAD_BPF_COMMON_H