Add openwrt version information and exclude it from autobackups

CMakeLists.txt

@@ -57,8 +57,10 @@ add_executable(ipc_chip_info
     src/tools.h
     src/version.h
 
-    src/vendors/xm.h
+    src/vendors/openwrt.c
+    src/vendors/openwrt.h
     src/vendors/xm.c
+    src/vendors/xm.h
 
     ${CMAKE_CURRENT_BINARY_DIR}/version.c
 )

src/chipid.c

@@ -19,6 +19,7 @@
 char system_id[128];
 char system_manufacturer[128];
 char board_id[128];
+char board_ver[128];
 char board_manufacturer[128];
 char board_specific[1024];
 char ram_specific[1024];

src/chipid.h

@@ -6,6 +6,7 @@
 extern char system_id[128];
 extern char system_manufacturer[128];
 extern char board_id[128];
+extern char board_ver[128];
 extern char board_manufacturer[128];
 extern char board_specific[1024];
 extern char ram_specific[1024];

src/main.c

@@ -17,9 +17,11 @@
 #include "ram.h"
 #include "sensors.h"
 #include "tools.h"
-#include "vendors/xm.h"
 #include "version.h"
 
+#include "vendors/openwrt.h"
+#include "vendors/xm.h"
+
 void Help() {
     printf("ipc_chip_info, version: ");
     const char *vers = get_git_version();
@@ -68,10 +70,16 @@ void print_board_id() {
     if (!*board_manufacturer && !*board_id)
         return;
 
-    yaml_printf("board:\n"
-                "  vendor: %s\n"
-                "  model: %s\n%s",
-                board_manufacturer, board_id, board_specific);
+    yaml_printf("board:\n");
+
+    if (*board_manufacturer)
+        yaml_printf("  vendor: %s\n", board_manufacturer);
+    if (*board_id)
+        yaml_printf("  model: %s\n", board_id);
+    if (*board_ver)
+        yaml_printf("  version: %s\n", board_ver);
+    if (*board_specific)
+        yaml_printf("%s", board_specific);
 }
 
 void print_chip_id() {
@@ -137,6 +145,9 @@ bool get_board_id() {
     if (is_xm_board()) {
         gather_xm_board_info();
         return true;
+    } else if (is_openwrt_board()) {
+        gather_openwrt_board_info();
+        return true;
     }
     return false;
 }
@@ -151,8 +162,8 @@ static void generic_system_data() { linux_mem(); }
 
 #define MAX_YAML 1024 * 64
 static bool backup_mode() {
-    // prevent double backup creation
-    if (!udp_lock())
+    // prevent double backup creation and don't backup OpenWrt firmware
+    if (!udp_lock() || is_openwrt_board())
         return false;
 
     int fds[2];

src/vendors/openwrt.c

@@ -0,0 +1,32 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "chipid.h"
+#include "tools.h"
+#include "vendors/openwrt.h"
+
+bool is_openwrt_board() {
+    if (!access("/etc/openwrt_version", 0)) {
+        strcpy(board_manufacturer, "OpenWrt");
+        return true;
+    }
+    return false;
+}
+
+static bool detect_openwrt_product() {
+    char buf[256];
+
+    if (!get_regex_line_from_file("/etc/openwrt_version", "(.+)", buf,
+                                  sizeof(buf))) {
+        return false;
+    }
+    strcpy(board_ver, buf);
+    return true;
+}
+
+void gather_openwrt_board_info() { detect_openwrt_product(); }

src/vendors/openwrt.h

@@ -0,0 +1,9 @@
+#ifndef OPENWRT_H
+#define OPENWRT_H
+
+#include <stdbool.h>
+
+void gather_openwrt_board_info();
+bool is_openwrt_board();
+
+#endif /* OPENWRT_H */