core: 添加 frpc 内网穿透

get-frpc-url.sh

@@ -0,0 +1,96 @@
+#!/bin/ash
+# shellcheck shell=dash
+# trans.sh/debian.cfg 共用此脚本
+
+# debian 9 不支持 set -E
+set -e
+
+is_in_china() {
+    grep -q 1 /dev/netconf/*/is_in_china
+}
+
+is_ipv6_only() {
+    ! grep -q 1 /dev/netconf/eth*/ipv4_has_internet
+}
+
+get_frpc_url() {
+    # 传入 windows 或者 linux
+    local os_type=$1
+    local nt_ver=$2
+
+    is_need_old_version() {
+        [ "$nt_ver" = "6.0" ] || [ "$nt_ver" = "6.1" ]
+    }
+
+    version=$(
+        if is_need_old_version; then
+            echo 0.54.0
+        else
+            # debian 11 initrd 没有 xargs awk
+            # debian 12 initrd 没有 xargs
+            # github 不支持 ipv6
+            if is_in_china || is_ipv6_only; then
+                wget -O- https://mirrors.nju.edu.cn/github-release/fatedier/frp/LatestRelease/frp_sha256_checksums.txt |
+                    grep -m1 frp_ | cut -d_ -f2
+            else
+                # https://api.github.com/repos/fatedier/frp/releases/latest 有请求次数限制
+
+                # root@localhost:~# wget --spider -S https://github.com/fatedier/frp/releases/latest 2>&1 | grep Location:
+                #   Location: https://github.com/fatedier/frp/releases/tag/v0.62.0
+                # Location: https://github.com/fatedier/frp/releases/tag/v0.62.0 [following]  # 原版 wget 多了这行
+
+                wget --spider -S https://github.com/fatedier/frp/releases/latest 2>&1 |
+                    grep -m1 '^  Location:' | sed 's,.*/tag/v,,'
+            fi
+        fi
+    )
+
+    if [ -z "$version" ]; then
+        echo 'cannot find version'
+        return 1
+    fi
+
+    suffix=$(
+        case "$os_type" in
+        linux) echo tar.gz ;;
+        windows) echo zip ;;
+        esac
+    )
+
+    mirror=$(
+        # nju 没有 win7 用的旧版
+        # github 不支持 ipv6
+        # jsdelivr 不支持 github releases 文件
+        if is_ipv6_only; then
+            if is_need_old_version; then
+                echo 'NOT_SUPPORT'
+                return 1
+            else
+                echo https://mirrors.nju.edu.cn/github-release/fatedier/frp
+            fi
+        else
+            if is_in_china; then
+                if is_need_old_version; then
+                    echo https://github.com/fatedier/frp/releases/download
+                else
+                    echo https://mirrors.nju.edu.cn/github-release/fatedier/frp
+                fi
+            else
+                echo https://github.com/fatedier/frp/releases/download
+            fi
+        fi
+    )
+
+    arch=$(
+        case "$(uname -m)" in
+        x86_64) echo amd64 ;;
+        aarch64) echo arm64 ;;
+        esac
+    )
+
+    filename=frp_${version}_${os_type}_${arch}.$suffix
+
+    echo "${mirror}/v${version}/${filename}"
+}
+
+get_frpc_url "$@"