5 files changed, 11 insertions, 5 deletions

diff --git a/configure.ac b/configure.ac
index b9e9b56..a8aa142 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,89 +1,89 @@
 AC_INIT([sitecing], [0.0.1], [sitecing-bugs@klever.net])
 AC_CONFIG_SRCDIR([include/sitecing/sitecing_parser.h])
 AC_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE([dist-bzip2])
 
 AC_PROG_INSTALL
 AC_PROG_AWK
 AC_PROG_CXX
 AC_PROG_CC
 AM_PROG_LEX
 AC_PROG_LIBTOOL
 
 AC_HEADER_STDC
 AC_CHECK_HEADERS([stdlib.h unistd.h])
 
 AC_C_CONST
 
 AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 
 AC_WITH_PKGCONFIG
 
-PKG_CHECK_MODULES([KINGATE],[kingate],,[
+PKG_CHECK_MODULES([KINGATE],[kingate >= 0.0.1],,[
  AC_MSG_ERROR([no kingate library found, get it at http://kin.klever.net/kingate/])
 ])
 HAVE_FCGI=false
 HAVE_PLAINCGI=false
-PKG_CHECK_MODULES([KINGATE_FCGI],[kingate-fcgi],[
+PKG_CHECK_MODULES([KINGATE_FCGI],[kingate-fcgi >= 0.0.1],[
  HAVE_FCGI=true
 ],[
  AC_MSG_NOTICE([no fastcgi support in kingate library])
 ])
-PKG_CHECK_MODULES([KINGATE_PLAINCGI],[kingate-plaincgi],[
+PKG_CHECK_MODULES([KINGATE_PLAINCGI],[kingate-plaincgi >= 0.0.1],[
  HAVE_PLAINCGI=true
 ],[
  AC_MSG_NOTICE([no plaincgi support in kingate library])
 ])
 if ! (${HAVE_FCGI} || ${HAVE_PLAINCGI}) ; then
  AC_MSG_ERROR([not a single CGI interface supported in kingate])
 fi
 AM_CONDITIONAL([HAVE_FCGI],[${HAVE_FCGI}])
 AM_CONDITIONAL([HAVE_PLAINCGI],[${HAVE_PLAINCGI}])
 
 PKG_CHECK_MODULES([DOTCONF],[dotconf],,[
  AC_MSG_ERROR([no dotconf library found])
 ])
 
 AC_WITH_PCRE([
  AC_WITH_PCREPP(,[
   AC_MSG_ERROR([no pcre++ library found])
  ])
 ],[
  AC_MSG_ERROR([no pcre library found])
 ])
 
 AC_CHECK_FUNC([dlopen],,[
  AC_CHECK_LIB([dl],[dlopen],,[
   AC_MSG_ERROR([no dlopen library found])
  ])
 ])
 
 AC_PATH_PROG([XSLTPROC],[xsltproc],[true])
 
 WANT_DOXYGEN="yes"
 AC_ARG_ENABLE([doxygen],
  AC_HELP_STRING([--disable-doxygen],[do not generate documentation]),
  [
   test "${enableval}" = "no" && WANT_DOXYGEN="no"
  ]
 )
 if test "${WANT_DOXYGEN}" = "yes" ; then
  AC_WITH_DOXYGEN
  AC_WITH_DOT
 else
  AM_CONDITIONAL([HAVE_DOXYGEN],[false])
  AM_CONDITIONAL([HAVE_DOT],[false])
 fi
 
 AC_CONFIG_FILES([
  Makefile
   Doxyfile
   sitecing.pc
  include/Makefile
  lib/Makefile
  share/Makefile
  src/Makefile
  components/Makefile
 ])
 AC_OUTPUT
diff --git a/lib/component_factory.cc b/lib/component_factory.cc
index b5e95af..d9692de 100644
--- a/lib/component_factory.cc
+++ b/lib/component_factory.cc
@@ -1,344 +1,344 @@
 #ifdef USE_PCH
  #include "pch.h"
 #else
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <unistd.h>
  #include <sys/wait.h>
  #include <fcntl.h>
  #include <iostream>
  #include <fstream>
  #include <stdexcept>
  #include <vector>
  using namespace std;
  #include "sitecing/component_factory.h"
  #include "sitecing/sitecing_util.h"
  #include "sitecing/sitecing_parser.h"
  #include "sitecing/sitecing_exception.h"
 #endif
  
 namespace sitecing {
 
     static const char *pp_targets[] = { ".cc", ".h", ".imports", ".classname", ".baseclassname", ".ancestors", ".pp_stamp" };
     static const char *cc_targets[] = { ".o", ".d" };
 
     component_factory::component_factory(configuration& c)
         : config(c),
     root_source(normalize_path(c.root_source,strip_trailing_slash)+'/'),
     root_intermediate(normalize_path(c.root_intermediate,strip_trailing_slash)+'/'),
     root_so(normalize_path(c.root_so,strip_trailing_slash)+'/') {
     }
 
     void component_factory::get_dependencies(const string& dst,file_list_t& deps) {
         deps.clear();
         string dp = normalize_path(dst,strip_trailing_slash);
         // source documents
         try { // XXX: or just compare it off?
             string noro = strip_prefix(dp,root_source);
             return;
         }catch(utility_no_affix& una) { }
         // .so binaries
         try {
             string noso = strip_suffix(dp,".so");
             string noro = strip_prefix(noso,root_so);
             deps.push_back(root_intermediate+noro+".o");
             config_options *co_so_deps = config.lookup_config(noro,config_options::flag_so_deps);
             if(co_so_deps) {
                 for(list<string>::const_iterator i=co_so_deps->so_deps.begin();i!=co_so_deps->so_deps.end();++i)
                     deps.push_back(*i);
             }
             return;
         }catch(utility_no_prefix& unp) {
             throw konforka::exception(CODEPOINT,"component is outside of component root");
         }catch(utility_no_suffix& uns) { }
         try {
             // preprocessor targets
             string noro = strip_prefix(dp,root_intermediate);
             for(int ppt=0;ppt<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {
                 try {
                     string nos = strip_suffix(noro,pp_targets[ppt]);
                     deps.push_back(root_source+nos); // depends on the source
                     ifstream imports((root_intermediate+nos+".imports").c_str(),ios::in);
                     if(imports.good()) {
                         string str;
                         while(!imports.eof()) {
                             imports >> str;
                             if(!str.empty())
                                 deps.push_back(root_intermediate+str+".classname");
                         }
                     }
                     ifstream ancestors((root_intermediate+nos+".ancestors").c_str(),ios::in);
                     if(ancestors.good()) {
                         string str;
                         while(!ancestors.eof()) {
                             ancestors >> str;
                             if(!str.empty())
                                 deps.push_back(root_intermediate+str+".classname");
                         }
                     }
                     // XXX: intermediate_deps should be broken down
                     config_options *co_intermediate_deps = config.lookup_config(nos,config_options::flag_intermediate_deps);
                     if(co_intermediate_deps) {
                         for(list<string>::const_iterator i=co_intermediate_deps->intermediate_deps.begin();i!=co_intermediate_deps->intermediate_deps.end();++i)
                             deps.push_back(*i);
                     }
                     return;
                 }catch(utility_no_suffix& uns) { }
             }
             // compiler targets
             for(int cct=0;cct<sizeof(cc_targets)/sizeof(*cc_targets);cct++) {
                 try {
                     string nos = strip_suffix(noro,cc_targets[cct]);
                     deps.push_back(root_intermediate+nos+".cc");
                     config_options *co_cpp_deps = config.lookup_config(noro,config_options::flag_cpp_deps);
                     if( (!co_cpp_deps) || co_cpp_deps->cpp_deps) {
-                        ifstream df((root_intermediate+noro+".d").c_str(),ios::in);
+                        ifstream df((root_intermediate+nos+".d").c_str(),ios::in);
                         if(df.good()) {
                             string str;
                             while(!df.eof()) {
                                 df >> str;
                                 if(str.find_first_of("\\:")==string::npos)
                                     deps.push_back(combine_path(config.root_source+nos,str));
                             }
                         }
                     }
                     // XXX: intermediate_deps should be broken down
                     config_options *co_intermediate_deps = config.lookup_config(nos,config_options::flag_intermediate_deps);
                     if(co_intermediate_deps) {
                         for(list<string>::const_iterator i=co_intermediate_deps->intermediate_deps.begin();i!=co_intermediate_deps->intermediate_deps.end();++i)
                             deps.push_back(*i);
                     }
                 }catch(utility_no_suffix& uns) { }
             }
         }catch(utility_no_prefix& unp) { }
     }
 
     bool component_factory::is_uptodate(const string& dst,file_list_t *deps) {
         string dp = normalize_path(dst,strip_trailing_slash);
         try {
             string noro = strip_prefix(dp,root_intermediate);
             for(int ppt=0;(ppt+1)<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {
                 try {
                     string nos = strip_suffix(noro,pp_targets[ppt]);
                     return file_factory::is_uptodate(root_intermediate+nos+".pp_stamp",deps);
                 }catch(utility_no_suffix& uns) { }
             }
             bool rv =  file_factory::is_uptodate(dst,deps);
             return rv;
         }catch(utility_no_prefix& unp) { }
         // XXX: or just compare it off, instead of throwing things around.
         try {
             strip_prefix(dp,root_so);
             return file_factory::is_uptodate(dst,deps);
         }catch(utility_no_prefix& unp) { }
         return true;
     }
 
     void component_factory::build(const string& dst) {
         string dp = normalize_path(dst,strip_trailing_slash);
         // sources
         try {
             string noro = strip_prefix(dp,root_source);
             // building the sources is left up to developer
             return;
         }catch(utility_no_prefix& unp) { }
         // .so files
         try {
             string noso = strip_suffix(dp,".so");
             string noro = strip_prefix(noso,root_so);
             string o = root_intermediate+noro+".o";
             cerr << "Linking " << noro << endl;
             if(access(o.c_str(),R_OK))
                 throw konforka::exception(CODEPOINT,string("can't access compiled component code (")+o+")");
             make_path(dir_name(root_so+noro),0755);
             file_lock lock_cc(root_intermediate+noro+".o.lock");
             file_lock lock_so(root_so+noro+".so.lock");
             int stdO = open((root_intermediate+noro+".ld.stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
             if(stdO<0)
                 throw konforka::exception(CODEPOINT,"failed to open/create linker stdout");
             int stdE = open((root_intermediate+noro+".ld.stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
             if(stdE<0) {
                 close(stdO);
                 throw konforka::exception(CODEPOINT,"failed to open/create linker stderr");
             }
             list<string> args;
             config_options *co_ld_flags = config.lookup_config(noro,config_options::flag_ld_flags);
             if(co_ld_flags) {
                 args.insert(args.end(),co_ld_flags->ld_flags.begin(),co_ld_flags->ld_flags.end());
             }
             args.push_back("-shared");
             args.push_back(o);
             file_list_t ancestors;
             get_ancestors(noro,ancestors);
             for(file_list_t::const_iterator i=ancestors.begin();i!=ancestors.end();++i) {
                 string aso=root_so+*i+".so";
                 make(aso);
                 args.push_back(aso);
             }
             args.push_back("-o"); args.push_back(dp);
             // TODO: "g++" configurable
             int rv = execute("g++",args,stdO,stdE);
             if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
                 throw link_error(CODEPOINT,"failed to link component",noro);
             return;
         }catch(utility_no_prefix& unp) {
             throw konforka::exception(CODEPOINT,"component is outside of component root");
         }catch(utility_no_suffix& uns) { }
         try {
             string noro = strip_prefix(dp,root_intermediate);
             // compiler targets
             for(int cct=0;cct<sizeof(cc_targets)/sizeof(*cc_targets);cct++) {
                 try {
                     string nos = strip_suffix(noro,cc_targets[cct]);
                     string cc = root_intermediate+nos+".cc";
                     string o = root_intermediate+nos+".o";
                     cerr << "Compiling " << nos << endl;
                     if(access(cc.c_str(),R_OK))
                         throw konforka::exception(CODEPOINT,string("can't access preprocessed component code (")+cc+")");
                     make_path(dir_name(cc),0755);
                     string pwd = dir_name(root_source+nos);
                     auto_chdir dir_changer(pwd);
                     file_lock lock_source(root_intermediate+nos+".lock");
                     file_lock lock_cc(root_intermediate+nos+".o.lock");
                     int stdO = open((root_intermediate+nos+".stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
                     if(stdO<0)
                         throw konforka::exception(CODEPOINT,"failed to open/create compiler stdout");
                     int stdE = open((root_intermediate+nos+".stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
                     if(stdE<0) {
                         close(stdO);
                         throw konforka::exception(CODEPOINT,"failed to open/create compiler's stderr");
                     }
                     list<string> args;
                     config_options *co_cpp_flags = config.lookup_config(nos,config_options::flag_cpp_flags);
                     if(co_cpp_flags) {
                         args.insert(args.end(),co_cpp_flags->cpp_flags.begin(),co_cpp_flags->cpp_flags.end());
                     }
                     // TODO: maybe move it to separare config option like CoreCPPFLags?
                     args.push_back("-I"+root_intermediate);
                     args.push_back("-I"+root_source);
                     args.push_back("-MD"); args.push_back("-MF"); args.push_back(root_intermediate+nos+".d");
                     args.push_back("-c");
                     args.push_back(cc);
                     args.push_back("-o"); args.push_back(o);
                     // TODO: "g++" configurable
                     int rv = execute("g++",args,stdO,stdE);
                     if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
                         throw compile_error(CODEPOINT,"failed to compile component",nos);
                     return;
                 }catch(utility_no_suffix& uns) { }
             }
             // preprocessor targets
             for(int ppt=0;ppt<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {
                 try {
                     string nos = strip_suffix(noro,pp_targets[ppt]);
                     string src = root_source+nos;
                     cerr << "Preprocessing " << nos << endl;
                     if(access(src.c_str(),R_OK))
                         throw konforka::exception(CODEPOINT,string("can't access component source (")+src+")");
                     make_path(dir_name(root_intermediate+nos),0755);
                     file_lock lock(root_intermediate+nos+".lock");
                     sitecing_parser parser(*this);
                     config_options *co_skeleton = config.lookup_config(nos,config_options::flag_skeleton);
                     if(co_skeleton)
                         parser.skeleton = co_skeleton->skeleton;
                     static const char *id_chars = "abcdefghijklmnopqrstuvwxyz0123456789_ABCDEFGHIJKLMNOPQRSTUVWXYZ";
                     parser.class_name = normalize_path(nos,strip_leading_slash|strip_trailing_slash);
                     for(string::size_type illc = parser.class_name.find_first_not_of(id_chars);illc!=string::npos;illc=parser.class_name.find_first_not_of(id_chars,illc)) {
                         string::size_type lc = parser.class_name.find_first_of(id_chars,illc);
                         int n = ((lc==string::npos)?parser.class_name.length():lc)-illc;
                         parser.class_name.replace(illc,n,n,'_');
                     }
                     parser.class_name = "_SCC_"+parser.class_name;
                     parser.output_basename = root_intermediate+nos;
                     parser.component_basename = nos;
                     try {
                         parser.preprocess(src);
                         string sf = root_intermediate+nos+".pp_stamp";
                         ofstream sfs(sf.c_str(),ios::trunc|ios::out); // touch .pp_stamp
                     }catch(preprocessor_error& pe) {
                         pe.component_name = nos;
                         pe.see(CODEPOINT);
                         throw;
                     }
                     return;
                 }catch(utility_no_suffix& uns) { }
             }
         }catch(utility_no_prefix& unp) { }
         cerr << "ignoring build request for " << dp << endl;
     }
 
     void component_factory::make(const string& dst) {
         string dp = normalize_path(dst,strip_trailing_slash);
         try {
             string noso = strip_suffix(dp,".so");
             string noro = strip_prefix(noso,root_so);
             file_list_t a;
             get_ancestors(noro,a);
             for(file_list_t::const_iterator i=a.begin();i!=a.end();++i) {
                 make(root_so+*i+".so");
             }
         }catch(utility_no_affix& una) { }
         file_factory::make(dst);
     }
 
     int component_factory::execute(const string& cmd, const list<string>& args,int stdo,int stde) {
         // XXX: is it right that we do stdio/stderr tricks outside of the function?
         // cerr << "executing: " << cmd;
         vector<const char*> argv(args.size()+2);
         argv[0]=cmd.c_str();
         int an = 1;
         for(list<string>::const_iterator i=args.begin();i!=args.end();i++) {
             // cerr << " " << *i ;
             argv[an++] = i->c_str();
         }
         // cerr << endl;
         argv[an++]=NULL;
         pid_t pid = vfork();
         if(pid==-1) {
             close(stdo); close(stde);
             throw konforka::exception(CODEPOINT,"failed to vfork()");
         }
         if(!pid) {
             // child
             if(dup2(stdo,1)!=1)
                 _exit(-1);
             if(dup2(stde,2)!=2)
                 _exit(-1);
             close(0);
             execvp(cmd.c_str(),(char**)&argv.front());
             _exit(-1);
         }
         // parent
         close(stdo); close(stde);
         int rv;
         if(waitpid(pid,&rv,0)<0)
             throw konforka::exception(CODEPOINT,"failed to waitpid()");
         return rv;
     }
 
     string component_factory::get_classname(const string& component) {
         string cn = root_intermediate+normalize_path(component,strip_trailing_slash|strip_leading_slash)+".classname";
         make(cn);
         ifstream ifs(cn.c_str());
         if(!ifs.good())
             throw konforka::exception(CODEPOINT,"failed to access component .classname");
         ifs >> cn;
         return cn;
     }
 
     void component_factory::get_ancestors(const string& component,file_list_t& rv) {
         string cn = root_intermediate+normalize_path(component,strip_trailing_slash|strip_leading_slash)+".ancestors";
         make(cn);
         ifstream ifs(cn.c_str());
         if(!ifs.good())
             throw konforka::exception(CODEPOINT,string("failed to access component '")+component+"' .ancestors");
         rv.clear();
         while(!ifs.eof()) {
             string a;
             ifs >> a;
             if(!a.empty())
                 rv.push_back(a);
         }
     }
 
 }
diff --git a/lib/file_factory.cc b/lib/file_factory.cc
index 7ca7b86..c22fac2 100644
--- a/lib/file_factory.cc
+++ b/lib/file_factory.cc
@@ -1,56 +1,56 @@
 #ifdef USE_PCH
  #include "pch.h"
 #else
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <unistd.h>
  #include <konforka/exception.h>
  using namespace std;
  #include "sitecing/file_factory.h"
 #endif
 
 namespace sitecing {
 
     bool file_factory::is_uptodate(const string& dst,file_list_t* deps) {
         file_list_t deplist;
         file_list_t *fl = deps?deps:&deplist;
         get_dependencies(dst,*fl);
         struct stat stdst;
         if(stat(dst.c_str(),&stdst))
             return false;
-        for(file_list_t::const_iterator i=fl->begin();i!=fl->end();i++) {
+        for(file_list_t::const_iterator i=fl->begin();i!=fl->end();++i) {
             struct stat stdep;
             if(stat(i->c_str(),&stdep))
                 return false;
             if(stdst.st_mtime<stdep.st_mtime)
                 return false;
             if(!is_uptodate(*i))
                 return false;
         }
         return true;
     }
 
     void file_factory::make(const string& dst) {
         try {
             depth++;
             if(depth>25)
                 throw konforka::exception(CODEPOINT,"recursed too deeply.");
             file_list_t deps;
             if(!is_uptodate(dst,&deps)) {
                 for(file_list_t::const_iterator i=deps.begin();i!=deps.end();i++)
                     make(*i);
                 if(!is_uptodate(dst,&deps))
                     build(dst);
             }
             depth--;
         }catch(konforka::exception& ke) {
             depth--;
             ke.see(CODEPOINT);
             throw;
         }catch(...) {
             depth--;
             throw;
         }
     }
 
 }
diff --git a/src/sitecing-fastcgi.cc b/src/sitecing-fastcgi.cc
index 9c0d7d1..756dcee 100644
--- a/src/sitecing-fastcgi.cc
+++ b/src/sitecing-fastcgi.cc
@@ -1,325 +1,328 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include <signal.h>
 #include <getopt.h>
 #include <pwd.h>
 #include <grp.h>
 #include <errno.h>
 #include <syslog.h>
 #include <iostream>
 #include <memory>
 #include <typeinfo>
 using namespace std;
 #include "kingate/fastcgi.h"
 #include "kingate/cgi_gateway.h"
 using namespace kingate;
 #include "sitecing/sitecing_util.h"
 #include "sitecing/util.h"
 #include "sitecing/sitespace.h"
 #include "sitecing/sitecing_interface_cgi.h"
 #include "sitecing/cgi_component.h"
 #include "sitecing/configuration.h"
 #include "sitecing/magic.h"
 #include "sitecing/sitecing_exception.h"
 #include "sitecing/exception.h"
 #include "sitecing/process_manager.h"
 using namespace sitecing;
 
 #include "config.h"
 #define PHEADER PACKAGE " Version " VERSION
 #define PCOPY   "Copyright (c) 2004 Klever Group"
 
 class cdummyClass : public acomponent {
     public:
         void main(int _magic,va_list _args) {}
         void *__the_most_derived_this() { return NULL; }
 } cdummyInstance;
 class adummyClass : public cgi_component {
     public:
         void main(int _magic,va_list _args) {}
         void *__the_most_derived_this() { return NULL; }
 } adummyInstance;
 
 class sitecing_fastcgi_pm : public process_manager {
     public:
         configuration config;
         fcgi_socket *fss;
         semaphore sem;
         bool multi;
         uid_t uid;
         gid_t gid;
         pid_file pidfile;
 
         sitecing_fastcgi_pm(const string& config_file);
         ~sitecing_fastcgi_pm();
 
         void process(int slot);
 
         void run();
         void give_up_privs();
 };
 
 sitecing_fastcgi_pm::sitecing_fastcgi_pm(const string& config_file)
     : config(config_file), multi(false) {
         if(( (config.flags&configuration::flag_user) || (config.flags&configuration::flag_group) || (config.flags&configuration::flag_chroot) ) && geteuid() )
             throw konforka::exception(CODEPOINT,"can't use User, Group or Chroot when started without root privileges");
         if(config.flags&configuration::flag_user) {
             struct passwd *ptmp = getpwnam(config.user.c_str());
             if(ptmp) {
                 uid = ptmp->pw_uid;
             }else{
                 errno=0;
                 uid = strtol(config.user.c_str(),NULL,0);
                 if(errno)
                     throw konforka::exception(CODEPOINT,"failed to resolve User value to uid");
             }
         }
         if(config.flags&configuration::flag_group) {
             struct group *gtmp = getgrnam(config.group.c_str());
             if(gtmp) {
                 gid = gtmp->gr_gid;
             }else{
                 errno=0;
                 gid = strtol(config.group.c_str(),NULL,0);
                 if(errno)
                     throw konforka::exception(CODEPOINT,"failed to resolve Group value to gid");
             }
         }
         if(!(config.flags&configuration::flag_root_source))
             throw konforka::exception(CODEPOINT,"unspecified root for sources");
         if(!(config.flags&configuration::flag_root_intermediate))
             throw konforka::exception(CODEPOINT,"unspecified root for intermediate files");
         if(!(config.flags&configuration::flag_root_so))
             throw konforka::exception(CODEPOINT,"unspecified root for shared objects");
         if(config.flags&configuration::flag_min_children)
             min_children = config.min_children;
         if(config.flags&configuration::flag_max_children)
             max_children = config.max_children;
         if(config.flags&configuration::flag_min_spare_children)
             min_spare_children = config.min_spare_children;
         if(config.flags&configuration::flag_max_spare_children)
             max_spare_children = config.max_spare_children;
         if(max_children<min_spare_children)
             throw konforka::exception(CODEPOINT,"inconsistent numbers of MaxChildren and MinSpareChildren");
         if(min_children>max_spare_children && max_spare_children>=0)
             throw konforka::exception(CODEPOINT,"inconsistent numbers of MinChildren and MaxSpareChildren");
         if(config.flags&configuration::flag_multi_process) {
             multi = config.multi_process;
         }else{
             if(config.flags&configuration::flag_listen_socket)
                 multi = true;
             else
                 multi = false;
         }
         fss = (config.flags&configuration::flag_listen_socket)?new fcgi_socket(config.listen_socket.c_str(),5):new fcgi_socket(0);
         if(!fss)
             throw konforka::exception(CODEPOINT,"failed to establish listening socket");
         if(config.flags&configuration::flag_daemonize && config.daemonize) {
             pid_t pf = fork();
             if(pf<0)
                 throw konforka::exception(CODEPOINT,"failed to fork()");
             if(pf) {
                 die_humbly=true;
                 _exit(0);
             }
         }
         if(config.flags&configuration::flag_pid_file) {
             pidfile.set(config.pid_file);
         }
         if(multi)
             sem.init();
     }
 sitecing_fastcgi_pm::~sitecing_fastcgi_pm() {
     if(fss)
         delete fss;
 }
 
 void sitecing_fastcgi_pm::process(int slot) {
     signal(SIGINT,SIG_DFL);
     signal(SIGABRT,SIG_DFL);
     signal(SIGTERM,SIG_DFL);
     give_up_privs();
     scoreboard_slot *sslot = sboard.get_slot(slot);
     try {
         sitespace ss(config);
         fcgi_socket& fs = *fss;
         sitecing_interface_cgi scif(&ss);
         string component_path;
         string action;
         config_options::action_handler_t *action_handler;
         int rpc = 0;
         if(config.flags&configuration::flag_requests_per_child)
             rpc = config.requests_per_child;
         for(int req=0;(rpc<=0) || (req<rpc);rpc++) {
             semaphore_lock sl;
             if(multi) {
                 sslot->state = scoreboard_slot::state_idle;
                 sl.sem = &sem;
                 sl.lock();
             }
             sslot->state = scoreboard_slot::state_accept;
             fcgi_interface fi(fs);
             sslot->state = scoreboard_slot::state_processing;
             if(multi)
                 sl.unlock();
             cgi_gateway gw(fi);
             scif.prepare(&gw);
             try {
                 component_path = normalize_path(gw.path_info(),strip_leading_slash|strip_trailing_slash);
                 string full_component_path;
+                string sitecing_path_info;
                 while(true) {
                     full_component_path = config.root_source+'/'+component_path;
                     if(!access(full_component_path.c_str(),F_OK))
                         break;
                     string::size_type sl = component_path.rfind('/');
                     if(sl==string::npos)
                         throw konforka::exception(CODEPOINT,"can't find the target component");
+                    sitecing_path_info.insert(0,component_path,sl,string::npos);
                     component_path.erase(sl);
                 }
+                fi.metavars["SITECING_PATH_INFO"]=sitecing_path_info;
                 action = component_path;
                 action_handler = config.lookup_action_handler(component_path);
                 if(action_handler) {
                     action = action_handler->action;
                 }
                 string pwd = dir_name(full_component_path);
                 if(chdir(pwd.c_str()))
                     throw konforka::exception(CODEPOINT,"failed to chdir() into document's directory");
                 so_component soc = ss.fetch(action,&scif);
                 if(action_handler) {
                     soc.ac->run(__magic_action,
                             config.root_source.c_str(), config.root_intermediate.c_str(), config.root_so.c_str(),
                             &(action_handler->args)
                             );
                 }else{
                     soc.ac->main(0,NULL);
                 }
             }catch(http_status& hs) {
                 scif.headers["Status"] = hs.status+" "+hs.message;
                 string hshp = config.lookup_http_status_handler(component_path,hs.status);
                 if(!hshp.empty()) {
                     so_component hsh = ss.fetch(hshp,&scif); // TODO: handle error trying to handle status
                     hsh.ac->run(__magic_http_status,config.root_source.c_str(),config.root_intermediate.c_str(),
                             config.root_so.c_str(),action.c_str(),&hs);
                 }
             }catch(compile_error& ce) {
                 config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
                 if(co_exception_handler) {
                     so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                     eh.ac->run(__magic_compile_error,ce.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),ce.component_path.c_str());
                 }else{
                     ce.see(CODEPOINT);
                     throw;
                 }
             }catch(preprocessor_error& pe) {
                 config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
                 if(co_exception_handler) {
                     so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                     eh.ac->run(__magic_preprocess_error,pe.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),pe.component_name.c_str(),pe.line_number);
                 }else{
                     pe.see(CODEPOINT);
                     throw;
                 }
             }catch(exception& e) {
                 config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
                 if(co_exception_handler) {
                     so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                     eh.ac->run(__magic_generic_exception,e.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),component_path.c_str(),&e);
                 }
             }
             scif.flush();
         }
     }catch(exception& e) {
         cerr << "->Oops: " << e.what() << endl;
     }
 }
 
 void sitecing_fastcgi_pm::run() {
     if(multi)
         manage();
     else
         process(0);
 }
 
 void sitecing_fastcgi_pm::give_up_privs() {
     if(config.flags&configuration::flag_chroot) {
         if(chroot(config.chroot.c_str()))
             throw konforka::exception(CODEPOINT,"failed to chroot()");
     }
     if(config.flags&configuration::flag_group) {
         if((getgid()!=gid) && setgid(gid))
             throw konforka::exception(CODEPOINT,"failed to setgid()");
     }
     if(config.flags&configuration::flag_user) {
         if((getuid()!=uid) && setuid(uid))
             throw konforka::exception(CODEPOINT,"failed to setuid()");
     }
 }
 
 static sitecing_fastcgi_pm* _process_manager = NULL;
 
 static void lethal_signal_handler(int signum) {
     _process_manager->finishing=true;
 }
 
 int main(int argc,char **argv) {
     const char* id = *argv;
     const char* t;
     while(t = index(id,'/')) {
         id=t; id++;
     }
     openlog(id,LOG_PERROR|LOG_PID,LOG_USER);
     try {
         string config_file = "sitecing.conf";
         while(true) {
             static struct option opts[] = {
                 { "help", no_argument, 0, 'h' },
                 { "usage", no_argument, 0, 'h' },
                 { "version", no_argument, 0, 'V' },
                 { "license", no_argument, 0, 'L' },
                 { "config", required_argument, 0, 'f' },
                 { NULL, 0, 0, 0 }
             };
             int c = getopt_long(argc,argv,"f:hVL",opts,NULL);
             if(c==-1)
                 break;
             switch(c) {
                 case 'h':
                     cerr << PHEADER << endl
                         << PCOPY << endl << endl
                         << " -h, --help" << endl
                         << " --usage          display this text" << endl
                         << " -V, --version    display version number" << endl
                         << " -L, --license    show license" << endl
                         << " -f filename, --config=filename" << endl
                         << "                  specify configuration file to use" << endl;
                     exit(0);
                     break;
                 case 'V':
                     cerr << VERSION << endl;
                     exit(0);
                     break;
                 case 'L':
                     extern const char *COPYING;
                     cerr << COPYING << endl;
                     exit(0);
                     break;
                 case 'f':
                     config_file = optarg;
                     break;
                 default:
                     cerr << "Huh??" << endl;
                     break;
             }
         }
         sitecing_fastcgi_pm sfpm(config_file);
         _process_manager = &sfpm;
         signal(SIGINT,lethal_signal_handler);
         signal(SIGABRT,lethal_signal_handler);
         signal(SIGTERM,lethal_signal_handler);
         sfpm.run();
     }catch(exception& e) {
         /* cerr << "Oops: " << e.what() << endl; */
         syslog(LOG_ERR,"uncaught exception: %s",e.what());
     }
     closelog();
 }
diff --git a/src/sitecing-plaincgi.cc b/src/sitecing-plaincgi.cc
index 6e8a215..3bd291a 100644
--- a/src/sitecing-plaincgi.cc
+++ b/src/sitecing-plaincgi.cc
@@ -1,178 +1,181 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include <signal.h>
 #include <getopt.h>
 #include <pwd.h>
 #include <grp.h>
 #include <errno.h>
 #include <syslog.h>
 #include <iostream>
 #include <memory>
 #include <typeinfo>
 using namespace std;
 #include "kingate/plaincgi.h"
 #include "kingate/cgi_gateway.h"
 using namespace kingate;
 #include "sitecing/sitecing_util.h"
 #include "sitecing/util.h"
 #include "sitecing/sitespace.h"
 #include "sitecing/sitecing_interface_cgi.h"
 #include "sitecing/cgi_component.h"
 #include "sitecing/configuration.h"
 #include "sitecing/magic.h"
 #include "sitecing/sitecing_exception.h"
 #include "sitecing/exception.h"
 using namespace sitecing;
 
 #include "config.h"
 #define PHEADER PACKAGE " Version " VERSION
 #define PCOPY   "Copyright (c) 2005 Klever Group"
 
 class cdummyClass : public acomponent {
     public:
         void main(int _magic,va_list _args) {}
         void *__the_most_derived_this() { return NULL; }
 } cdummyInstance;
 class adummyClass : public cgi_component {
     public:
         void main(int _magic,va_list _args) {}
         void *__the_most_derived_this() { return NULL; }
 } adummyInstance;
 
 void process_request(configuration& config) {
     try {
         sitespace ss(config);
         sitecing_interface_cgi scif(&ss);
         string component_path;
         string action;
         config_options::action_handler_t *action_handler;
         plaincgi_interface ci;
         cgi_gateway gw(ci);
         scif.prepare(&gw);
         try {
             component_path = normalize_path(gw.path_info(),strip_leading_slash|strip_trailing_slash);
             string full_component_path;
+            string sitecing_path_info;
             while(true) {
                 full_component_path = config.root_source+'/'+component_path;
                 if(!access(full_component_path.c_str(),F_OK))
                     break;
                 string::size_type sl = component_path.rfind('/');
                 if(sl==string::npos)
                     throw konforka::exception(CODEPOINT,"can't find the target component");
+                sitecing_path_info.insert(0,component_path,sl,string::npos);
                 component_path.erase(sl);
             }
+            ci.metavars["SITECING_PATH_INFO"]=sitecing_path_info;
             action = component_path;
             action_handler = config.lookup_action_handler(component_path);
             if(action_handler) {
                 action = action_handler->action;
             }
             string pwd = dir_name(full_component_path);
             if(chdir(pwd.c_str()))
                 throw konforka::exception(CODEPOINT,"failed to chdir() into document's directory");
             so_component soc = ss.fetch(action,&scif);
             if(action_handler) {
                 soc.ac->run(__magic_action,
                         config.root_source.c_str(), config.root_intermediate.c_str(), config.root_so.c_str(),
                         &(action_handler->args)
                         );
             }else{
                 soc.ac->main(0,NULL);
             }
         }catch(http_status& hs) {
             scif.headers["Status"] = hs.status+" "+hs.message;
             string hshp = config.lookup_http_status_handler(component_path,hs.status);
             if(!hshp.empty()) {
                 so_component hsh = ss.fetch(hshp,&scif); // TODO: handle error trying to handle status
                 hsh.ac->run(__magic_http_status,config.root_source.c_str(),config.root_intermediate.c_str(),
                         config.root_so.c_str(),action.c_str(),&hs);
             }
         }catch(compile_error& ce) {
             config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
             if(co_exception_handler) {
                 so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                 eh.ac->run(__magic_compile_error,ce.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),ce.component_path.c_str());
             }else{
                 ce.see(CODEPOINT);
                 throw;
             }
         }catch(preprocessor_error& pe) {
             config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
             if(co_exception_handler) {
                 so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                 eh.ac->run(__magic_preprocess_error,pe.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),pe.component_name.c_str(),pe.line_number);
             }else{
                 pe.see(CODEPOINT);
                 throw;
             }
         }catch(exception& e) {
             config_options *co_exception_handler = config.lookup_config(component_path,config_options::flag_exception_handler);
             if(co_exception_handler) {
                 so_component eh = ss.fetch(co_exception_handler->exception_handler,&scif); // TODO: handle error trying to handle error.
                 eh.ac->run(__magic_generic_exception,e.what(),config.root_source.c_str(),config.root_intermediate.c_str(),config.root_so.c_str(),component_path.c_str(),&e);
             }
         }
         scif.flush();
     }catch(exception& e) {
         cerr << "->Oops: " << e.what() << endl;
     }
 }
 
 int main(int argc,char **argv) {
     const char* id = *argv;
     const char* t;
     while(t = index(id,'/')) {
         id=t; id++;
     }
     openlog(id,LOG_PERROR|LOG_PID,LOG_USER);
     try {
         const char *esccf = getenv("SITECING_CONF");
         string config_file = esccf ? esccf : "sitecing.conf";
         while(true) {
             static struct option opts[] = {
                 { "help", no_argument, 0, 'h' },
                 { "usage", no_argument, 0, 'h' },
                 { "version", no_argument, 0, 'V' },
                 { "license", no_argument, 0, 'L' },
                 { "config", required_argument, 0, 'f' },
                 { NULL, 0, 0, 0 }
             };
             int c = getopt_long(argc,argv,"f:hVL",opts,NULL);
             if(c==-1)
                 break;
             switch(c) {
                 case 'h':
                     cerr << PHEADER << endl
                         << PCOPY << endl << endl
                         << " -h, --help" << endl
                         << " --usage          display this text" << endl
                         << " -V, --version    display version number" << endl
                         << " -L, --license    show license" << endl
                         << " -f filename, --config=filename" << endl
                         << "                  specify configuration file to use" << endl;
                     exit(0);
                     break;
                 case 'V':
                     cerr << VERSION << endl;
                     exit(0);
                     break;
                 case 'L':
                     extern const char *COPYING;
                     cerr << COPYING << endl;
                     exit(0);
                     break;
                 case 'f':
                     config_file = optarg;
                     break;
                 default:
                     cerr << "Huh??" << endl;
                     break;
             }
         }
         configuration config(config_file);
         process_request(config);
     }catch(exception& e) {
         /* cerr << "Oops: " << e.what() << endl; */
         syslog(LOG_ERR,"uncaught exception: %s",e.what());
     }
     closelog();
 }