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扩容刚安装完毕的OpenWRT文件系统 查看当前文件系统 root@localhost:~# df -h Filesystem Size Used Available Use% Mounted on /dev/root 102.3M 64.9M 35.4M 65% / tmpfs 994.6M 2.4M 992.2M 0% /tmp /dev/sda1 15.7M 6.2M 9.2M 40% /boot /dev/sda1 15.7M 6.2M 9.2M 40% /boot tmpfs 512.0K 0 512.0K 0% /dev安装完OpenWRT之后，可以看到根文件系统只有102M左右，这明显是不够的，需要进行扩容 第一步：分区扩容 执行以下命令来扩容分区 root@localhost:~# opkg update root@localhost:~# opkg install parted root@localhost:~# echo fix | parted -l ---pretend-input-tty root@localhost:~# parted -s /dev/sda resizepart 2 100%第二步：扩容文件系统 执行以下命令来扩容文件系统 root@localhost:~# opkg install losetup root@localhost:~# losetup /dev/loop1 /dev/sda2 root@localhost:~# resize2fs -f /dev/loop1 root@localhost:~# reboot最后可以看到扩容之后变为了15G左右大小 root@localhost:~# df -h Filesystem Size Used Available Use% Mounted on /dev/root 14.7G 224.5M 14.4G 1% / tmpfs 994.6M 2.4M 992.2M 0% /tmp /dev/sda1 15.7M 6.2M 9.2M 40% /boot /dev/sda1 15.7M 6.2M 9.2M 40% /boot tmpfs 512.0K 0 512.0K 0% /dev
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OP将uhttpd替换为Caddy 下载 Caddy 由于OpenWrt官方软件库中没有Caddy软件包，故去Caddy官网下载软件，并放到 /usr/bin 下，一定要选择Caddy自定义插件中的“aksdb/caddy-cgi/v2”，其他可根据情况选择 创建配置文件 mkdir /etc/caddy touch /etc/caddy/Caddyfile touch /etc/caddy/ubus.sh chmod +x /etc/caddy/ubus.sh vim /etc/caddy/Caddyfile vim /etc/caddy/ubus.shCaddyfile写入以下内容： { order cgi before respond } localhost, 192.168.1.1, router, router.home { tls internal root * /www file_server cgi /cgi-bin/cgi-backup* /www/cgi-bin/cgi-backup { script_name /cgi-bin/cgi-backup } cgi /cgi-bin/cgi-download* /www/cgi-bin/cgi-download { script_name /cgi-bin/cgi-download } cgi /cgi-bin/cgi-exec* /www/cgi-bin/cgi-exec { script_name /cgi-bin/cgi-exec } cgi /cgi-bin/cgi-upload* /www/cgi-bin/cgi-upload { script_name /cgi-bin/cgi-upload } cgi /cgi-bin/luci* /www/cgi-bin/luci { script_name /cgi-bin/luci } cgi /ubus* /etc/caddy/ubus.sh { script_name /ubus } }ubus.sh写入以下内容： #!/bin/sh [ "$REQUEST_METHOD" != "POST" ] && printf 'Status: 405\r\n\r\n' && exit access() { local sid=$1 local obj=$2 local fun=$3 local req=$(printf '{ "ubus_rpc_session": "%s", "scope": "ubus", "object": "%s", "function": "%s" }' "$sid" "$obj" "$fun") local res=$(ubus call session access "$req" | jsonfilter -e '@.access') [ "$res" = "true" ] } error() { local code=$1 local mesg=$2 printf '{ "jsonrpc": "2.0", "id": "%s", "error": { "code": %d, "message": "%s" } }' \ "${RPC_ID:-null}" "$code" "$mesg" exit 1 } process() { local request=$1 # - use `VAR=expr` notation to let it create shell compatible export statements # - eval result to import variables eval $(jsonfilter -s "$request" \ -e 'RPC_ID=@.id' \ -e 'RPC_VERSION=@.jsonrpc' \ -e 'RPC_METHOD=@.method' \ -e 'RPC_SESSION_ARG=@.params[3].ubus_rpc_session' \ -e 'UBUS_SID=@.params[0]' \ -e 'UBUS_SERVICE=@.params[1]' \ -e 'UBUS_CMD=@.params[2]') # verify JSON-RPC framing if [ -z "$RPC_ID" ] || [ "$RPC_VERSION" != "2.0" ]; then error -32600 "Invalid request" fi # reject invalid values to prevent shell injection case "$RPC_ID$UBUS_SID$UBUS_SERVICE$UBUS_CMD" in *[^a-zA-Z0-9_.-]*) error -32600 "Invalid request" ;; esac case "$RPC_METHOD" in call) UBUS_PAYLOAD=$(jsonfilter -s "$request" -e '@.params[3]') # ensure that payload is a dictionary or empty case "$UBUS_PAYLOAD" in ""|{*}) : ;; *) error -32602 "Invalid parameters" ;; esac # merge ubus_rpc_session parameter if [ -z "$UBUS_PAYLOAD" ] || [ "$UBUS_PAYLOAD" = " " ]; then UBUS_PAYLOAD=$(printf '{ "ubus_rpc_session": "%s" }' "$UBUS_SID") else UBUS_PAYLOAD=$(printf '{ "ubus_rpc_session": "%s", %s' "$UBUS_SID" "${UBUS_PAYLOAD#\ ") fi # reject requests with embedded ubus_rpc_session if [ -n "$RPC_SESSION_ARG" ]; then error -32602 "Invalid parameters" fi # check access if ! access "$UBUS_SID" "$UBUS_SERVICE" "$UBUS_CMD"; then error -32002 "Access denied" fi ubus_reply=$(ubus call "$UBUS_SERVICE" "$UBUS_CMD" "$UBUS_PAYLOAD") ubus_status=$? printf '{ "jsonrpc": "2.0", "id": "%s", "result": [ %d, %s ] }' \ "$RPC_ID" "$ubus_status" "${ubus_reply:-null}" ;; list) RPC_PARAMS=$(jsonfilter -s "$request" -e '@.params') # ensure that payload is an array or empty case "${RPC_PARAMS:-[ ]}" in \[*\]) : ;; *) error -32602 "Invalid parameters" ;; esac # empty payload should result in list of services if [ "${RPC_PARAMS:-[ ]}" = "[ ]" ]; then services='' for service in $(ubus list); do services="${services:+$services, }\"$service\"" done printf '{ "jsonrpc": "2.0", "id": "%s", "result": [ %s ] }' \ "$RPC_ID" "$services" # list of services should result in { service => { method => signature } } replies else signatures='' eval $(jsonfilter -s "$RPC_PARAMS" -e 'indexes=@') for i in $indexes; do service=$(jsonfilter -s "$RPC_PARAMS" -e "@[$i]") signature='' IFS=$'\n\t' for line in $(ubus -v list "$service" | tail -n +2); do signature="${signature:+$signature, }$line" done IFS=$' \n\t' signatures="${signatures:+$signatures, }\"$service\": { $signature }" done printf '{ "jsonrpc": "2.0", "id": "%s", "result": { %s } }' \ "$RPC_ID" "$signatures" fi ;; *) error -32601 "Method not found" ;; esac } # - read body from stdin (either an object or array) # - process each item if it is an array body=$(cat) type=$(jsonfilter -s "$body" -t '@') printf 'Content-Type: application/json\r\n\r\n' if [ "$type" = "array" ]; then first=true printf '[' jsonfilter -s "$body" -e '@.*' | while read request ; do # join response with ',' and the first should be omitted if ! $first; then printf ',' else first=false fi # process each request process "$request" done printf ']' else process "$body" fi配置系统服务 touch /etc/init.d/caddy chmod +x /etc/init.d/caddy vim /etc/init.d/caddycaddy写入以下内容： #!/bin/sh /etc/rc.common PROG=/usr/bin/caddy USE_PROCD=1 # starts after network starts START=21 # stops before networking stops STOP=89 start_service() { procd_open_instance procd_set_param command "$PROG" run --config /etc/caddy/Caddyfile --adapter caddyfile procd_set_param stdout 1 procd_set_param stderr 1 procd_close_instance }设置开机自启 # 停止并删除uhttpd服务 service uhttpd stop service uhttpd disable # 添加并启动Caddy服务 service caddy enable service caddy start # 查看Caddy服务状态 netstat -lnpt | grep -e 80 -e 443卸载uhttpd软件包（可选） opkg remove uhttpd --force-removal-of-dependent-packages
