Merge branch 'master' into inet-getsockname-port

.github/workflows/build.yml

@@ -8,27 +8,32 @@ on:
 
 jobs:
   build:
-    name: Test build on ${{ matrix.platform }}
+    name: Test ${{ matrix.luaVersion }} on ${{ matrix.platform }}
     strategy:
       fail-fast: false
       matrix:
         luaVersion: [ "5.4", "5.3", "5.2", "5.1", "luajit", "luajit-openresty" ]
-        platform: [ "ubuntu-20.04", "macos-11" ] # "windows-2022" not supported by gh-actions-lua
+        platform: [ "ubuntu-22.04", "macos-11", "windows-2022" ]
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+      - name: Setup ’msvc’
+        if: ${{ startsWith(matrix.platform, 'windows') && !startsWith(matrix.luaVersion, 'luajit') }}
+        uses: ilammy/msvc-dev-cmd@v1
       - name: Setup ‘lua’
-        uses: leafo/gh-actions-lua@v9
+        uses: leso-kn/gh-actions-lua@v11-staging
         with:
           luaVersion: ${{ matrix.luaVersion }}
       - name: Setup ‘luarocks’
-        uses: leafo/gh-actions-luarocks@v4
+        uses: hishamhm/gh-actions-luarocks@master
       - name: Make and install
         run: |
-          export DEBUG=DEBUG
           luarocks make -- luasocket-scm-3.rockspec
+        env:
+          DEBUG: DEBUG
       - name: Run regression tests
+        shell: bash
         run: |
           cd test
           lua hello.lua

.github/workflows/luacheck.yml

@@ -5,9 +5,9 @@ on: [push, pull_request]
 jobs:
 
   luacheck:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Luacheck
-        uses: lunarmodules/luacheck@v0
+        uses: lunarmodules/luacheck@v1

README.md

@@ -1,8 +1,8 @@
 # LuaSocket
 
 
-[![Build](https://img.shields.io/github/workflow/status/lunarmodules/luasocket/Build?label=Build=Lua)](https://github.com/lunarmodules/luasocket/actions?workflow=Build)
+[![Build](https://img.shields.io/github/actions/workflow/status/lunarmodules/luasocket/build.yml?branch=master&label=Build&logo=Lua)](https://github.com/lunarmodules/luasocket/actions?workflow=Build)
-[![Luacheck](https://img.shields.io/github/workflow/status/lunarmodules/luasocket/Luacheck?label=Luacheck&logo=Lua)](https://github.com/lunarmodules/luasocket/actions?workflow=Luacheck)
+[![Luacheck](https://img.shields.io/github/actions/workflow/status/lunarmodules/luasocket/luacheck.yml?branch=master&label=Luacheck&logo=Lua)](https://github.com/lunarmodules/luasocket/actions?workflow=Luacheck)
 [![GitHub tag (latest SemVer)](https://img.shields.io/github/v/tag/lunarmodules/luasocket?label=Tag&logo=GitHub)](https://github.com/lunarmodules/luasocket/releases)
 [![Luarocks](https://img.shields.io/luarocks/v/lunarmodules/luasocket?label=Luarocks&logo=Lua)](https://luarocks.org/modules/lunarmodules/luasocket)
 

src/http.lua

@@ -300,6 +300,8 @@ local function shouldredirect(reqt, code, headers)
     if not location then return false end
     location = string.gsub(location, "%s", "")
     if location == "" then return false end
+    -- the RFC says the redirect URL may be relative
+    location = url.absolute(reqt.url, location)
     local scheme = url.parse(location).scheme
     if scheme and (not SCHEMES[scheme]) then return false end
     -- avoid https downgrades
@@ -323,8 +325,7 @@ end
 local trequest, tredirect
 
 --[[local]] function tredirect(reqt, location)
-    -- the RFC says the redirect URL has to be absolute, but some
+    -- the RFC says the redirect URL may be relative
-    -- servers do not respect that
     local newurl = url.absolute(reqt.url, location)
     -- if switching schemes, reset port and create function
     if url.parse(newurl).scheme ~= reqt.scheme then

src/options.c

@@ -54,6 +54,33 @@ int opt_meth_getoption(lua_State *L, p_opt opt, p_socket ps)
     return opt->func(L, ps);
 }
 
+/*------------------------------------------------------*/
+/* binds socket to network interface */
+int opt_set_bindtodevice(lua_State *L, p_socket ps)
+{
+#ifndef SO_BINDTODEVICE
+    return luaL_error(L, "SO_BINDTODEVICE is not supported on this operating system");
+#else
+    const char *dev = luaL_checkstring(L, 3);
+    return opt_set(L, ps, SOL_SOCKET, SO_BINDTODEVICE, (char*)dev, strlen(dev)+1);
+#endif
+}
+
+int opt_get_bindtodevice(lua_State *L, p_socket ps)
+{
+#ifndef SO_BINDTODEVICE
+    return luaL_error(L, "SO_BINDTODEVICE is not supported on this operating system");
+#else
+    char dev[IFNAMSIZ];
+    int len = sizeof(dev);
+    int err = opt_get(L, ps, SOL_SOCKET, SO_BINDTODEVICE, &dev, &len);
+    if (err)
+        return err;
+    lua_pushstring(L, dev);
+    return 1;
+#endif
+}
+
 /*------------------------------------------------------*/
 /* enables reuse of local address */
 int opt_set_reuseaddr(lua_State *L, p_socket ps)

src/options.h

@@ -53,6 +53,9 @@ int opt_get_tcp_keepintvl(lua_State *L, p_socket ps);
 int opt_set_tcp_defer_accept(lua_State *L, p_socket ps);
 #endif
 
+int opt_set_bindtodevice(lua_State *L, p_socket ps);
+int opt_get_bindtodevice(lua_State *L, p_socket ps);
+
 int opt_set_keepalive(lua_State *L, p_socket ps);
 int opt_get_keepalive(lua_State *L, p_socket ps);
 

src/tcp.c

@@ -71,6 +71,7 @@ static luaL_Reg tcp_methods[] = {
 
 /* socket option handlers */
 static t_opt optget[] = {
+    {"bindtodevice", opt_get_bindtodevice},
     {"keepalive",   opt_get_keepalive},
     {"reuseaddr",   opt_get_reuseaddr},
     {"reuseport",   opt_get_reuseport},
@@ -92,6 +93,7 @@ static t_opt optget[] = {
 };
 
 static t_opt optset[] = {
+    {"bindtodevice", opt_set_bindtodevice},
     {"keepalive",   opt_set_keepalive},
     {"reuseaddr",   opt_set_reuseaddr},
     {"reuseport",   opt_set_reuseport},

test/httptest.lua

@@ -265,6 +265,37 @@ ignore = {
 }
 check_request(request, expect, ignore)
 
+-- Use https://httpbin.org/#/Dynamic_data/get_base64__value_ for testing
+-----------------------------------------------------
+io.write("testing absolute https redirection: ")
+request = {
+    url = "https://httpbin.org/redirect-to?url=https://httpbin.org/base64/THVhIFNvY2tldA=="
+}
+expect = {
+    code = 200,
+    body = "Lua Socket"
+}
+ignore = {
+    status = 1,
+    headers = 1
+}
+check_request(request, expect, ignore)
+
+-----------------------------------------------------
+io.write("testing relative https redirection: ")
+request = {
+    url = "https://httpbin.org/redirect-to?url=/base64/THVhIFNvY2tldA=="
+}
+expect = {
+    code = 200,
+    body = "Lua Socket"
+}
+ignore = {
+    status = 1,
+    headers = 1
+}
+check_request(request, expect, ignore)
+
 ------------------------------------------------------------------------
 --[[
 io.write("testing proxy with redirection: ")