fcgi-cgi 0.2.2

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2013-07-21 13:38:27 +02:00 · 2013-07-21 13:38:27 +02:00 · 58fb5450bf
commit 58fb5450bf
parent 8d84e0d1bc 42b7646e96
8 changed files with 209 additions and 53 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -2,54 +2,28 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR)

 cmake_policy(VERSION 2.6.0)

+SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
 INCLUDE(CheckIncludeFiles)
 INCLUDE(CheckLibraryExists)
 INCLUDE(FindPkgConfig)
+INCLUDE(AddTargetProperties)

-MACRO(ADD_TARGET_PROPERTIES _target _name _properties)
-  SET(_properties ${ARGV})
-  LIST(REMOVE_AT _properties 0)
-  LIST(REMOVE_AT _properties 0)
-  GET_TARGET_PROPERTY(_old_properties ${_target} ${_name})
-  #MESSAGE("adding property to ${_target} ${_name}: ${_properties}")
-  IF(NOT _old_properties)
-    # in case it's NOTFOUND
-    SET(_old_properties)
-  ELSE(NOT _old_properties)
-    SET(_old_properties "${_old_properties} ")
-  ENDIF(NOT _old_properties)
-  SET_TARGET_PROPERTIES(${_target} PROPERTIES ${_name} "${_old_properties}${_properties}")
-ENDMACRO(ADD_TARGET_PROPERTIES)

 PROJECT(fcgi-cgi C)
-SET(PACKAGE_VERSION 0.2.1)
+SET(PACKAGE_VERSION 0.2.2)
+
 IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
 	SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
 ENDIF("${CMAKE_BUILD_TYPE}" STREQUAL "")


 # libev
-CHECK_INCLUDE_FILES(ev.h HAVE_EV_H)
-IF(HAVE_EV_H)
-	CHECK_LIBRARY_EXISTS(ev ev_time "" HAVE_LIBEV)
-	IF(HAVE_LIBEV)
-		SET(EV_LIBRARIES ev)
-		SET(EV_STATIC_LIBRARIES ev;m)
-		CHECK_LIBRARY_EXISTS(rt clock_gettime "" NEED_RT)
-		IF(NEED_RT)
-			SET(EV_STATIC_LIBRARIES ${EV_STATIC_LIBRARIES} rt)
-		ENDIF(NEED_RT)
-	ELSE(HAVE_LIBEV)
-		MESSAGE(FATAL_ERROR "Couldn't find lib ev")
-	ENDIF(HAVE_LIBEV)
-ELSE(HAVE_EV_H)
-	MESSAGE(FATAL_ERROR "Couldn't find <ev.h>")
-ENDIF(HAVE_EV_H)
+FIND_PACKAGE(LibEV REQUIRED)

 # GLIB 2
 pkg_check_modules (GLIB2 REQUIRED glib-2.0)
-SET(GLIB_INCLUDES ${GLIB2_INCLUDE_DIRS} ${GLIB2_INCLUDE_DIRS}/glib-2.0/ ${GLIB2_INCLUDE_DIRS}/glib-2.0/include/)
-INCLUDE_DIRECTORIES(${GLIB_INCLUDES})
+INCLUDE_DIRECTORIES(${GLIB2_INCLUDES_DIRS})

 SET(MAIN_SOURCE fastcgi.c fcgi-cgi.c)

@ -61,15 +35,15 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})

 add_executable(fcgi-cgi ${MAIN_SOURCE})

-ADD_TARGET_PROPERTIES(fcgi-cgi COMPILE_FLAGS "-std=gnu99 -Wall -g -Wshadow -W -pedantic -fPIC -D_GNU_SOURCE")
+ADD_TARGET_PROPERTIES(fcgi-cgi COMPILE_FLAGS "-std=gnu99 -Wall -g -Wshadow -W -pedantic -fPIC")

 # libev
-TARGET_LINK_LIBRARIES(fcgi-cgi "${EV_LIBRARIES}")
+TARGET_LINK_LIBRARIES(fcgi-cgi ${LIBEV_LDFLAGS})
+ADD_TARGET_PROPERTIES(fcgi-cgi COMPILE_FLAGS ${LIBEV_CFLAGS})

 # GLIB 2
-TARGET_LINK_LIBRARIES(fcgi-cgi "${GLIB2_LIBRARIES}")
-ADD_TARGET_PROPERTIES(fcgi-cgi LINK_FLAGS "${GLIB2_LDFLAGS}")
-ADD_TARGET_PROPERTIES(fcgi-cgi COMPILE_FLAGS "${GLIB2_CFLAGS_OTHER}")
+TARGET_LINK_LIBRARIES(fcgi-cgi ${GLIB2_LDFLAGS})
+ADD_TARGET_PROPERTIES(fcgi-cgi COMPILE_FLAGS ${GLIB2_CFLAGS})

 INSTALL(TARGETS fcgi-cgi DESTINATION bin)

--- a/2
+++ b/2
@ -1,2 +0,0 @@
-
-fcgi-cgi is a FastCGI application to run cgi applications.
--- a/README.rst
+++ b/README.rst
@ -0,0 +1,54 @@
+Description
+-----------
+
+:Homepage:
+    http://redmine.lighttpd.net/projects/fcgi-cgi/wiki
+
+fcgi-cgi is a FastCGI application to run normal cgi applications. It doesn't
+make CGI applications faster, but it allows you to run them on a different
+host and with different user permissions (without the need for suexec).
+
+lighttpd2 won't have a mod_cgi, so you need this FastCGI wrapper to be able
+to execute standard cgi applications like mailman and cgit.
+
+fcgi-cgi is released under the `MIT license <http://git.lighttpd.net/fcgi-cgi.cgi/tree/COPYING>`_
+
+Usage
+-----
+
+Examples for spawning a fcg-cgi instance with daemontools or runit::
+
+  #!/bin/sh
+  # run script
+
+  exec spawn-fcgi -n -s /tmp/fastcgi-cgi.sock -u www-default -U www-data -- /usr/bin/fcgi-cgi
+
+
+Build dependencies
+------------------
+
+* glib >= 2.16.0 (http://www.gtk.org/)
+* libev (http://software.schmorp.de/pkg/libev.html)
+* cmake or autotools (for snapshots/releases the autotool generated files are included)
+
+
+Build
+-----
+
+* snapshot/release with autotools::
+
+   ./configure
+   make
+
+* build from git: ``git clone git://git.lighttpd.net/fcgi-cgi.git``
+
+ * with autotools::
+
+    ./autogen.sh
+    ./configure
+    make
+
+ * with cmake (should work with snapshots/releases too)::
+
+    cmake .
+    make
--- a/cmake/AddTargetProperties.cmake
+++ b/cmake/AddTargetProperties.cmake
@ -0,0 +1,13 @@
+MACRO(ADD_TARGET_PROPERTIES _target _name)
+  SET(_properties)
+  FOREACH(_prop ${ARGN})
+    SET(_properties "${_properties} ${_prop}")
+  ENDFOREACH(_prop)
+  GET_TARGET_PROPERTY(_old_properties ${_target} ${_name})
+  MESSAGE(STATUS "adding property to ${_target} ${_name}:" ${_properties})
+  IF(NOT _old_properties)
+    # in case it's NOTFOUND
+    SET(_old_properties)
+  ENDIF(NOT _old_properties)
+  SET_TARGET_PROPERTIES(${_target} PROPERTIES ${_name} "${_old_properties} ${_properties}")
+ENDMACRO(ADD_TARGET_PROPERTIES)
--- a/cmake/FindLibEV.cmake
+++ b/cmake/FindLibEV.cmake
@ -0,0 +1,71 @@
+
+SET(LIBEV_PATH "" CACHE PATH "Base path for include/ev.h and lib/libev*")
+SET(LIBEV_INCLUDE_PATH "" CACHE PATH "Include path for ev.h")
+SET(LIBEV_LIBDIR "" CACHE PATH "Path containing libev")
+
+IF(LIBEV_PATH)
+	SET(LIBEV_INCLUDE_PATH "${LIBEV_PATH}/include" CACHE PATH "Include path for ev.h" FORCE)
+	SET(LIBEV_LIBDIR "${LIBEV_PATH}/lib" CACHE PATH "Path containing libev" FORCE)
+ENDIF(LIBEV_PATH)
+
+IF(LIBEV_INCLUDE_PATH)
+	INCLUDE_DIRECTORIES(${LIBEV_INCLUDE_PATH})
+ENDIF(LIBEV_INCLUDE_PATH)
+
+# Use cached result
+IF(NOT LIBEV_FOUND)
+	UNSET(HAVE_EV_H)
+	UNSET(HAVE_LIBEV)
+	UNSET(HAVE_EV_H CACHE)
+	UNSET(HAVE_LIBEV CACHE)
+	UNSET(LIBEV_CFLAGS)
+	UNSET(LIBEV_LDFLAGS)
+
+	IF(LIBEV_INCLUDE_PATH OR LIBEV_LIBDIR)
+		SET(CMAKE_REQUIRED_INCLUDES ${LIBEV_INCLUDE_PATH})
+# 		MESSAGE(STATUS "Looking for ev.h in ${CMAKE_REQUIRED_INCLUDES}")
+		CHECK_INCLUDE_FILES(ev.h HAVE_EV_H)
+		IF(HAVE_EV_H)
+# 			MESSAGE(STATUS "Looking for lib ev in ${LIBEV_LIBDIR}")
+			CHECK_LIBRARY_EXISTS(ev ev_time "${LIBEV_LIBDIR}" HAVE_LIBEV)
+			IF(HAVE_LIBEV)
+				SET(LIBEV_LIBRARIES ev CACHE INTERNAL "")
+				SET(LIBEV_CFLAGS "" CACHE INTERNAL "")
+				SET(LIBEV_LDFLAGS "-L${LIBEV_LIBDIR} -lev" CACHE INTERNAL "")
+				SET(LIBEV_FOUND TRUE CACHE INTERNAL "Found libev" FORCE)
+			ELSE(HAVE_LIBEV)
+				MESSAGE(STATUS "Couldn't find lib ev in ${LIBEV_LIBDIR}")
+			ENDIF(HAVE_LIBEV)
+		ELSE(HAVE_EV_H)
+			MESSAGE(STATUS "Couldn't find <ev.h> in ${LIBEV_INCLUDE_PATH}")
+		ENDIF(HAVE_EV_H)
+	ELSE(LIBEV_INCLUDE_PATH OR LIBEV_LIBDIR)
+		pkg_check_modules(LIBEV libev)
+		IF(NOT LIBEV_FOUND)
+# 			MESSAGE(STATUS "Looking for ev.h in ${CMAKE_REQUIRED_INCLUDES}")
+			CHECK_INCLUDE_FILES(ev.h HAVE_EV_H)
+			IF(HAVE_EV_H)
+# 				MESSAGE(STATUS "Looking for lib ev")
+				CHECK_LIBRARY_EXISTS(ev ev_time "" HAVE_LIBEV)
+				IF(HAVE_LIBEV)
+					SET(LIBEV_CFLAGS "" CACHE INTERNAL "")
+					SET(LIBEV_LDFLAGS "-lev" CACHE INTERNAL "")
+					SET(LIBEV_FOUND TRUE CACHE INTERNAL "Found libev" FORCE)
+				ELSE(HAVE_LIBEV)
+					MESSAGE(STATUS "Couldn't find lib ev")
+				ENDIF(HAVE_LIBEV)
+			ELSE(HAVE_EV_H)
+				MESSAGE(STATUS "Couldn't find <ev.h>")
+			ENDIF(HAVE_EV_H)
+		ENDIF(NOT LIBEV_FOUND)
+	ENDIF(LIBEV_INCLUDE_PATH OR LIBEV_LIBDIR)
+
+ENDIF(NOT LIBEV_FOUND)
+
+IF(NOT LIBEV_FOUND)
+	IF(LibEV_FIND_REQUIRED)
+		MESSAGE(FATAL_ERROR "Could not find libev")
+	ENDIF(LibEV_FIND_REQUIRED)
+ENDIF(NOT LIBEV_FOUND)
+
+MARK_AS_ADVANCED(LIBEV_PATH LIBEV_INCLUDE_PATH LIBEV_LIBDIR)
--- a/configure.ac
+++ b/configure.ac
@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.

 AC_PREREQ([2.63])
-AC_INIT([fcgi-cgi], [0.2.1], [lighttpd@stbuehler.de])
+AC_INIT([fcgi-cgi], [0.2.2], [lighttpd@stbuehler.de])
 AC_CONFIG_SRCDIR([fcgi-cgi.c])
 AC_CONFIG_HEADERS([config.h])

--- a/fastcgi.c
+++ b/fastcgi.c
@ -604,7 +604,31 @@ error:

 static void fastcgi_connection_fd_cb(struct ev_loop *loop, ev_io *w, int revents) {
 	fastcgi_connection *fcon = (fastcgi_connection*) w->data;
-	UNUSED(loop);
+
+	if (fcon->closing) {
+		char buf[1024];
+		ssize_t r;
+
+		r = read(fcon->fd, buf, sizeof(buf));
+		if (r > 0) return;
+
+		if (-1 == r) switch (errno) {
+		case EINTR:
+		case EAGAIN:
+	#if EWOULDBLOCK != EAGAIN
+		case EWOULDBLOCK:
+	#endif
+			return; /* try again later */
+		default:
+			break;
+		}
+
+		ev_io_stop(loop, w);
+		close(fcon->fd);
+		fcon->fd = -1;
+		ev_prepare_start(fcon->fsrv->loop, &fcon->fsrv->closing_watcher);
+		return;
+	}

 	if (revents & EV_READ) {
 		read_queue(fcon);
@ -637,11 +661,6 @@ static fastcgi_connection *fastcgi_connecion_create(fastcgi_server *fsrv, gint f
 static void fastcgi_connection_free(fastcgi_connection *fcon) {
 	fcon->fsrv->callbacks->cb_reset_connection(fcon);

-	if (fcon->fd != -1) {
-		ev_io_stop(fcon->fsrv->loop, &fcon->fd_watcher);
-		close(fcon->fd);
-		fcon->fd = -1;
-	}

 	fastcgi_queue_clear(&fcon->write_queue);
 	fastcgi_connection_environ_clear(fcon);
@ -655,9 +674,7 @@ static void fastcgi_connection_free(fastcgi_connection *fcon) {
 void fastcgi_connection_close(fastcgi_connection *fcon) {
 	fcon->closing = TRUE;
 	if (fcon->fd != -1) {
-		ev_io_stop(fcon->fsrv->loop, &fcon->fd_watcher);
-		close(fcon->fd);
-		fcon->fd = -1;
+		shutdown(fcon->fd, SHUT_WR);
 	}

 	fastcgi_queue_clear(&fcon->write_queue);
@ -666,7 +683,9 @@ void fastcgi_connection_close(fastcgi_connection *fcon) {
 	g_byte_array_set_size(fcon->parambuf, 0);
 	fastcgi_connection_environ_clear(fcon);

-	ev_prepare_start(fcon->fsrv->loop, &fcon->fsrv->closing_watcher);
+	if (fcon->fd == -1) {
+		ev_prepare_start(fcon->fsrv->loop, &fcon->fsrv->closing_watcher);
+	}
 }

 static void fastcgi_server_fd_cb(struct ev_loop *loop, ev_io *w, int revents) {
@ -723,7 +742,7 @@ static void fastcgi_cleanup_connections(fastcgi_server *fsrv) {

 	for (i = 0; i < fsrv->connections->len; ) {
 		fastcgi_connection *fcon = g_ptr_array_index(fsrv->connections, i);
-		if (fcon->closing) {
+		if (fcon->closing && -1 == fcon->fd) {
 			fastcgi_connection *t_fcon;
 			guint l = fsrv->connections->len-1;
 			t_fcon = g_ptr_array_index(fsrv->connections, i) = g_ptr_array_index(fsrv->connections, l);
--- a/fcgi-cgi.c
+++ b/fcgi-cgi.c
@ -22,7 +22,7 @@
 #define __STR(x) #x
 #define ERROR(...) g_printerr("fcgi-cgi.c:" G_STRINGIFY(__LINE__) ": " __VA_ARGS__)

-#define PACKAGE_DESC (PACKAGE_NAME " v" PACKAGE_VERSION " - forks and watches multiple instances of a program in the same environment")
+#define PACKAGE_DESC (PACKAGE_NAME " v" PACKAGE_VERSION " - FastCGI application to run normal cgi applications")

 struct fcgi_cgi_server;
 typedef struct fcgi_cgi_server fcgi_cgi_server;
@ -311,6 +311,32 @@ static void fcgi_cgi_child_error(fcgi_cgi_child *cld) {
 	}
 }

+static void copy_env_var(GPtrArray *env, const char *name) {
+	guint i, namelen = strlen(name);
+	const char *value;
+
+	for (i = 0; i < env->len; ) {
+		const char *entry = g_ptr_array_index(env, i);
+		if (0 == strncmp(entry, name, namelen) && entry[namelen] == '=') {
+			g_ptr_array_remove_index_fast(env, i);
+			g_free((char*) entry);
+		} else {
+			++i;
+		}
+	}
+
+	value = getenv(name);
+	if (NULL != value) {
+		guint valuelen = strlen(value);
+		char *entry = g_malloc(namelen + valuelen + 2);
+		memcpy(entry, name, namelen);
+		entry[namelen] = '=';
+		memcpy(entry + namelen + 1, value, valuelen);
+		entry[namelen+valuelen+1] = 0;
+		g_ptr_array_add(env, entry);
+	}
+}
+
 static void fcgi_cgi_child_start(fcgi_cgi_child *cld, const gchar *path) {
 	int pipes_to[2] = {-1, -1}, pipes_from[2] = {-1, -1}, pipes_err[2] = {-1, -1};
 	pid_t pid;
@ -353,6 +379,7 @@ static void fcgi_cgi_child_start(fcgi_cgi_child *cld, const gchar *path) {
 			}
 		}

+		copy_env_var(enva, "PATH");
 		g_ptr_array_add(enva, NULL);
 		newenv = (char**) g_ptr_array_free(enva, FALSE);
 		execve(path, args, newenv);
				`@ -1,2 +0,0 @@`

				`fcgi-cgi is a FastCGI application to run cgi applications.`