8 files changed, 157 insertions, 100 deletions

diff --git a/configure.ac b/configure.ac
index a49177f..0aa1272 100644
--- a/configure.ac
+++ b/configure.ac
@@ -133,96 +133,100 @@ else
 fi
 
 LIBCURL_CHECK_CONFIG(,,,[
  AC_MSG_ERROR([no required libcurl library. get one from http://curl.haxx.se/])
 ])
 
 AC_CHECK_HEADER([expat.h],[
  AC_CHECK_LIB([expat],[XML_ParserCreate],[
   EXPAT_LIBS=-lexpat
   EXPAT_CFLAGS=
   AC_SUBST([EXPAT_LIBS])
   AC_SUBST([EXPAT_CFLAGS])
  ],[
   AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/])
  ])
 ],[
  AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/])
 ])
 
 AC_CHECK_HEADER([tidy.h],[
  AC_CHECK_LIB([tidy],[tidyParseBuffer],[
   TIDY_LIBS=-ltidy
   TIDY_CFLAGS=
   AC_SUBST([TIDY_LIBS])
   AC_SUBST([TIDY_CFLAGS])
  ],[
   AC_MSG_ERROR([no required htmltidy library found. get one from http://tidy.sourceforge.net/])
  ])
 ],[
  AC_MSG_ERROR([no required htmltidy library found. get one from http://tidy.sourceforge.net/])
 ])
 
 if test -n "$PCRE_LIBS" -a -n "$PCRE_CFLAGS" ; then
  AC_SUBST([PCRE_CFLAGS])
  AC_SUBST([PCRE_LIBS])
  :
 else
  PKG_CHECK_MODULES([PCRE],[libpcre],,[
   AC_MSG_ERROR([no libpcre found, go get it at http://www.pcre.org/])
  ])
 fi
 
 PKG_CHECK_MODULES([SQLITE3],[sqlite3],[have_sqlite3=true],[have_sqlite3=false])
 AM_CONDITIONAL([HAVE_SQLITE3],[$have_sqlite3])
 PKG_CHECK_MODULES([KINGATE],[kingate-plaincgi],[have_kingate=true],[have_kingate=false])
 AM_CONDITIONAL([HAVE_KINGATE],[$have_kingate])
 PKG_CHECK_MODULES([UUID],[uuid],[have_uuid=true],[have_uuid=false])
 AM_CONDITIONAL([HAVE_UUID],[$have_uuid])
+if $have_uuid ; then
+ AC_DEFINE([HAVE_LIBUUID],,[defined in presence of libuuid])
+ AC_SUBST([UUID_UUID],[uuid])
+fi
 
 curl_ssl_verify_host="true"
 AC_ARG_ENABLE([ssl-verify-host],
  AC_HELP_STRING([--disable-ssl-verify-host],[disable cURL cert/host relationships verification]),
  [ test "${enableval}" = "no" && curl_ssl_verify_host="false" ]
 )
 ${curl_ssl_verify_host} || AC_DEFINE([DISABLE_CURL_SSL_VERIFYHOST],,[defined if cURL is not to verify cert/host])
 
 curl_ssl_verify_peer="true"
 AC_ARG_ENABLE([ssl-verify-peer],
  AC_HELP_STRING([--disable-ssl-verify-peer],[disable cURL cert validity verification]),
  [ test "${enableval}" = "no" && curl_ssl_verify_peer="false" ]
 )
 ${curl_ssl_verify_peer} || AC_DEFINE([DISABLE_CURL_SSL_VERIFYPEER],,[defined if cURL is not to verify cert validity])
 
 postels_law=true
 AC_ARG_ENABLE([postels-law],
  AC_HELP_STRING([--disable-postels-law],[Be strict, do not adhere to Postel's Law ("be conservative in what you do, be liberal in what you accept from others", RFC 793)]),
  [ test "${enableval}" = "no" && postels_law=false ]
 )
 $postels_law && AC_DEFINE([POSTELS_LAW],,[defined if we want to adhere to Postel's Law])
 
 AC_DEFINE_UNQUOTED([OPKELE_SRC_DIR],["$PWD"],[source directory])
 
 nitpick=false
 AC_ARG_ENABLE([nitpicking],
  AC_HELP_STRING([--enable-nitpicking],[make compiler somewhat overly fastidious about the code it deals with]),
  [ test "$enableval" = "no" || nitpick=true ]
 )
 if $nitpick ; then
  CPP_NITPICK="-pedantic -Wall -Wextra -Wundef -Wshadow \
   -Wunsafe-loop-optimizations -Wconversion -Wmissing-format-attribute \
   -Wredundant-decls -ansi"
  # -Wlogical-op -Wmissing-noreturn 
  C_NITPICK="$CPP_NITPICK"
  CXX_NITPICK="$C_NITPICK"
 
  CPPFLAGS="$CPPFLAGS $CPP_NITPICK"
  CFLAGS="$CFLAGS $C_NITPICK"
  CXXFLAGS="$CXXFLAGS $CXX_NITPICK"
 fi
 
 ndebug=true
 AC_ARG_ENABLE([debug],
  AC_HELP_STRING([--enable-debug],[enable debugging code]),
  [ test "$enableval" = "no" || ndebug=false ]
 )
 if $ndebug ; then
diff --git a/include/opkele/curl.h b/include/opkele/curl.h
index 5cf8e48..bcaf11d 100644
--- a/include/opkele/curl.h
+++ b/include/opkele/curl.h
@@ -1,72 +1,92 @@
 #ifndef __OPKELE_CURL_H
 #define __OPKELE_CURL_H
 
 #include <cassert>
 #include <string>
 #include <algorithm>
 #include <curl/curl.h>
 
 namespace opkele {
     using std::min;
     using std::string;
 
     namespace util {
 
+        class curl_slist_t {
+            public:
+                curl_slist *_s;
+
+                curl_slist_t() : _s(0) { }
+                curl_slist_t(curl_slist *s) : _s(s) { }
+                virtual ~curl_slist_t() throw();
+
+                curl_slist_t& operator=(curl_slist *s);
+
+                operator const curl_slist*(void) const { return _s; }
+                operator curl_slist*(void) { return _s; }
+
+                void append(const char *str);
+                void append(const string& str) {
+                    append(str.c_str()); }
+        };
+
         class curl_t {
             public:
                 CURL *_c;
 
                 curl_t() : _c(0) { }
                 curl_t(CURL *c) : _c(c) { }
                 virtual ~curl_t() throw();
 
                 curl_t& operator=(CURL *c);
 
                 operator const CURL*(void) const { return _c; }
                 operator CURL*(void) { return _c; }
 
                 CURLcode misc_sets();
 
                 template<typename PT>
                     inline CURLcode easy_setopt(CURLoption o,PT p) { assert(_c); return curl_easy_setopt(_c,o,p); }
+                inline CURLcode easy_setopt(CURLoption o,const curl_slist_t& p) {
+                    assert(_c); return curl_easy_setopt(_c,o,(const curl_slist*)p); }
                 CURLcode easy_perform() { assert(_c); return curl_easy_perform(_c); }
                 template<typename IT>
                     inline CURLcode easy_getinfo(CURLINFO i,IT p) { assert(_c); return curl_easy_getinfo(_c,i,p); }
 
                 static inline CURL *easy_init() { return curl_easy_init(); }
 
                 virtual size_t write(void* /* p */,size_t /* s */,size_t /* nm */) { return 0; }
                 CURLcode set_write();
 
                 virtual int progress(double /* dlt */,double /* dln*/ ,double /* ult */,double /* uln */) { return 0; }
                 CURLcode set_progress();
 
                 virtual size_t header(void* /* p */,size_t s,size_t nm) { return s*nm; }
                 CURLcode set_header();
         };
 
         template<int lim>
             class curl_fetch_string_t : public curl_t {
                 public:
                     curl_fetch_string_t(CURL *c)
                         : curl_t(c) { }
                     ~curl_fetch_string_t() throw() { }
 
                     string response;
 
                     size_t write(void *p,size_t size,size_t nmemb) {
                         size_t bytes = size*nmemb;
                         size_t get = min(lim-response.length(),bytes);
                         response.append((const char *)p,get);
                         return get;
                     }
             };
 
         typedef curl_fetch_string_t<16384> curl_pick_t;
 
 
     }
 
 }
 
 #endif /* __OPKELE_CURL_H */
diff --git a/include/opkele/types.h b/include/opkele/types.h
index ffb9afb..f63bf5d 100644
--- a/include/opkele/types.h
+++ b/include/opkele/types.h
@@ -73,144 +73,153 @@ namespace opkele {
      */
     class association_t {
         public:
 
             virtual ~association_t() { }
 
             /**
              * retrieve the server with which association was established.
              * @return server name
              */
             virtual string server() const = 0;
             /**
              * retrieve the association handle.
              * @return handle
              */
             virtual string handle() const = 0;
             /**
              * retrieve the association type.
              * @return association type
              */
             virtual string assoc_type() const = 0;
             /**
              * retrieve the association secret.
              * @return association secret
              */
             virtual secret_t secret() const = 0; 
             /**
              * retrieve the number of seconds the association expires in.
              * @return seconds till expiration
              */
             virtual int expires_in() const = 0;
             /**
              * check whether the association is stateless.
              * @return true if stateless
              */
             virtual bool stateless() const = 0;
             /**
              * check whether the association is expired.
              * @return true if expired
              */
             virtual bool is_expired() const = 0;
     };
 
     /**
      * the shared_ptr<> for association_t object type
      */
     typedef tr1mem::shared_ptr<association_t> assoc_t;
 
-    class basic_openid_message {
+    class basic_fields {
         public:
-            typedef list<string> fields_t;
             typedef util::forward_iterator_proxy<
                 string,const string&,const string*
                 > fields_iterator;
 
-            basic_openid_message() { }
-            virtual ~basic_openid_message() { }
-            basic_openid_message(const basic_openid_message& x);
-            void copy_to(basic_openid_message& x) const;
-            void append_to(basic_openid_message& x) const;
+            basic_fields() { }
+            virtual ~basic_fields() { }
+            basic_fields(const basic_fields& x);
+            void copy_to(basic_fields& x) const;
+            void append_to(basic_fields& x) const;
 
             virtual bool has_field(const string& n) const = 0;
             virtual const string& get_field(const string& n) const = 0;
 
-            virtual bool has_ns(const string& uri) const;
-            virtual string get_ns(const string& uri) const;
-
             virtual fields_iterator fields_begin() const = 0;
             virtual fields_iterator fields_end() const = 0;
 
-            virtual string append_query(const string& url,const char *pfx="openid.") const;
-            virtual string query_string(const char *pfx="openid.") const;
-
+            virtual string append_query(const string& url,const char *pfx=0) const;
+            virtual string query_string(const char *pfx=0) const;
 
             virtual void reset_fields();
             virtual void set_field(const string& n,const string& v);
             virtual void reset_field(const string& n);
 
+    };
+
+    class basic_openid_message : public basic_fields {
+        public:
+
+            basic_openid_message() { }
+            basic_openid_message(const basic_openid_message& x);
+
+            virtual bool has_ns(const string& uri) const;
+            virtual string get_ns(const string& uri) const;
+
+            virtual string append_query(const string& url,const char *pfx="openid.") const {
+                return basic_fields::append_query(url,pfx); }
+            virtual string query_string(const char *pfx="openid.") const {
+                return basic_fields::query_string(pfx); }
+
             virtual void from_keyvalues(const string& kv);
             virtual void to_keyvalues(ostream& o) const;
 
             virtual void to_htmlhiddens(ostream& o,const char* pfx=0) const;
 
             void add_to_signed(const string& fields);
             string find_ns(const string& uri,const char *pfx) const;
             string allocate_ns(const string& uri,const char *pfx);
     };
 
     class openid_message_t : public basic_openid_message, public map<string,string> {
         public:
             openid_message_t() { }
             openid_message_t(const basic_openid_message& x)
                 : basic_openid_message(x) { }
 
-            void copy_to(basic_openid_message& x) const;
-
             bool has_field(const string& n) const;
             const string& get_field(const string& n) const;
             virtual fields_iterator fields_begin() const;
             virtual fields_iterator fields_end() const;
 
             void reset_fields();
             void set_field(const string& n,const string& v);
             void reset_field(const string& n);
     };
 
     /**
      * request/response parameters map
      */
     class params_t : public openid_message_t {
         public:
 
             /**
              * check whether the parameter is present.
              * @param n the parameter name
              * @return true if yes
              */
             bool has_param(const string& n) const {
                 return has_field(n); }
             /**
              * retrieve the parameter (const version)
              * @param n the parameter name
              * @return the parameter value
              * @throw failed_lookup if there is no such parameter
              */
             const string& get_param(const string& n) const {
                 return get_field(n); }
 
             /**
              * parse the OpenID key/value data.
              * @param kv the OpenID key/value data
              */
             void parse_keyvalues(const string& kv) {
                 from_keyvalues(kv); }
 
             string append_query(const string& url,const char *prefix="openid.") const;
 
     };
 
     struct openid_endpoint_t {
         string uri;
         string claimed_id;
         string local_id;
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index e8bfbf5..20d15b8 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,34 +1,34 @@
 lib_LTLIBRARIES = libopkele.la
 
 AM_CPPFLAGS = ${CPPFLAGS_DEBUG}
 DEFAULT_INCLUDES = -I${top_builddir}
 INCLUDES = \
            -I${top_builddir}/include/ -I${top_srcdir}/include/ \
            ${KONFORKA_CFLAGS} \
            ${OPENSSL_CFLAGS} \
            ${LIBCURL_CPPFLAGS} \
            ${PCRE_CFLAGS} ${EXPAT_CFLAGS} ${TIDY_CFLAGS}
 libopkele_la_LIBADD = \
         ${LIBCURL} \
         ${PCRE_LIBS} ${EXPAT_LIBS} \
         ${OPENSSL_LIBS} \
         ${KONFORKA_LIBS} ${TIDY_LIBS}
 
 libopkele_la_SOURCES = \
                        params.cc \
                        util.cc \
                        server.cc \
                        secret.cc \
                        data.cc \
                        consumer.cc \
                        exception.cc \
                        extension.cc \
                        sreg.cc \
                        extension_chain.cc \
                        curl.cc expat.cc \
                        discovery.cc \
                        basic_rp.cc prequeue_rp.cc \
-                       openid_message.cc \
+                       fields.cc message.cc \
                        basic_op.cc verify_op.cc
 libopkele_la_LDFLAGS = \
         -version-info 2:0:0
diff --git a/lib/curl.cc b/lib/curl.cc
index 6172828..734e2ca 100644
--- a/lib/curl.cc
+++ b/lib/curl.cc
@@ -1,56 +1,76 @@
+#include <opkele/exception.h>
 #include <opkele/curl.h>
 
 #include "config.h"
 
 namespace opkele {
 
     namespace util {
 
+        curl_slist_t::~curl_slist_t() throw() {
+            if(_s)
+                curl_slist_free_all(_s);
+        }
+
+        curl_slist_t& curl_slist_t::operator=(curl_slist *s) {
+            if(_s)
+                curl_slist_free_all(_s);
+            _s = s;
+            return *this;
+        }
+
+        void curl_slist_t::append(const char *str) {
+            curl_slist *s = curl_slist_append(_s,str);
+            if(!s)
+                throw opkele::exception(OPKELE_CP_ "failed to curl_slist_append()");
+            _s=s;
+        }
+
         curl_t::~curl_t() throw() {
             if(_c)
                 curl_easy_cleanup(_c);
         }
 
         curl_t& curl_t::operator=(CURL *c) {
             if(_c)
                 curl_easy_cleanup(_c);
             _c = c;
             return *this;
         }
 
         CURLcode curl_t::misc_sets() {
             assert(_c);
             CURLcode r;
             (r=easy_setopt(CURLOPT_FOLLOWLOCATION,1))
             || (r=easy_setopt(CURLOPT_MAXREDIRS,5))
             || (r=easy_setopt(CURLOPT_DNS_CACHE_TIMEOUT,120))
             || (r=easy_setopt(CURLOPT_DNS_USE_GLOBAL_CACHE,1))
             || (r=easy_setopt(CURLOPT_USERAGENT,PACKAGE_NAME"/"PACKAGE_SRC_VERSION))
             || (r=easy_setopt(CURLOPT_TIMEOUT,20))
         #ifdefDISABLE_CURL_SSL_VERIFYHOST
             || (r=easy_setopt(CURLOPT_SSL_VERIFYHOST,0))
 #endif
         #ifdefDISABLE_CURL_SSL_VERIFYPEER
             || (r=easy_setopt(CURLOPT_SSL_VERIFYPEER,0))
 #endif
             ;
             return r;
         }
 
         static size_t _write(void *p,size_t s,size_t nm,void *stream) {
             return ((curl_t*)stream)->write(p,s,nm);
         }
 
         CURLcode curl_t::set_write() {
             assert(_c);
             CURLcode r;
             (r = easy_setopt(CURLOPT_WRITEDATA,this))
             || (r = easy_setopt(CURLOPT_WRITEFUNCTION,_write));
             return r;
         }
 
         static int _progress(void *cp,double dlt,double dln,double ult,double uln) {
             return ((curl_t*)cp)->progress(dlt,dln,ult,uln);
         }
 
         CURLcode curl_t::set_progress() {
diff --git a/lib/fields.cc b/lib/fields.cc
new file mode 100644
index 0000000..d494098
--- a/dev/null
+++ b/lib/fields.cc
@@ -0,0 +1,86 @@
+#include <opkele/types.h>
+#include <opkele/exception.h>
+#include <opkele/util.h>
+
+namespace opkele {
+    using std::unary_function;
+
+    struct __om_copier : public unary_function<const string&,void> {
+        public:
+            const basic_fields& from;
+            basic_fields& to;
+
+            __om_copier(basic_fields& t,const basic_fields& f)
+                : from(f), to(t) { }
+
+            result_type operator()(argument_type f) {
+                to.set_field(f,from.get_field(f)); }
+    };
+
+    basic_fields::basic_fields(const basic_fields& x) {
+        x.copy_to(*this);
+    }
+    void basic_fields::copy_to(basic_fields& x) const {
+        x.reset_fields();
+        for_each(fields_begin(),fields_end(),
+                __om_copier(x,*this) );
+    }
+    void basic_fields::append_to(basic_fields& x) const {
+        for_each(fields_begin(),fields_end(),
+                __om_copier(x,*this) );
+    }
+
+    struct __om_query_builder : public unary_function<const string&,void> {
+        public:
+            const basic_fields& om;
+            bool first;
+            string& rv;
+            const char *pfx;
+
+            __om_query_builder(const char *p,string& r,const basic_fields& m)
+                : om(m), first(true), rv(r), pfx(p) {
+                    for_each(om.fields_begin(),om.fields_end(),*this);
+                }
+            __om_query_builder(const char *p,string& r,const basic_fields& m,const string& u)
+                : om(m), first(true), rv(r), pfx(p) {
+                    rv = u;
+                    if(rv.find('?')==string::npos)
+                        rv += '?';
+                    else
+                        first = false;
+                    for_each(om.fields_begin(),om.fields_end(),*this);
+                }
+
+            result_type operator()(argument_type f) {
+                if(first)
+                    first = false;
+                else
+                    rv += '&';
+                if(pfx) rv += pfx;
+                rv+= f;
+                rv += '=';
+                rv += util::url_encode(om.get_field(f));
+            }
+    };
+
+    string basic_fields::append_query(const string& url,const char *pfx) const {
+        string rv;
+        return __om_query_builder(pfx,rv,*this,url).rv;
+    }
+    string basic_fields::query_string(const char *pfx) const {
+        string rv;
+        return __om_query_builder(pfx,rv,*this).rv;
+    }
+
+    void basic_fields::reset_fields() {
+        throw not_implemented(OPKELE_CP_ "reset_fields() not implemented");
+    }
+    void basic_fields::set_field(const string&,const string&) {
+        throw not_implemented(OPKELE_CP_ "set_field() not implemented");
+    }
+    void basic_fields::reset_field(const string&) {
+        throw not_implemented(OPKELE_CP_ "reset_field() not implemented");
+    }
+
+
+}
diff --git a/lib/openid_message.cc b/lib/message.cc
index e244f43..b2324b7 100644
--- a/lib/openid_message.cc
+++ b/lib/message.cc
@@ -1,180 +1,104 @@
 #include <cassert>
 #include <opkele/types.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
 #include <opkele/debug.h>
 
 #include "config.h"
 
 namespace opkele {
     using std::input_iterator_tag;
     using std::unary_function;
 
-    struct __om_copier : public unary_function<const string&,void> {
-        public:
-            const basic_openid_message& from;
-            basic_openid_message& to;
-
-            __om_copier(basic_openid_message& t,const basic_openid_message& f)
-                : from(f), to(t) { }
-
-            result_type operator()(argument_type f) {
-                to.set_field(f,from.get_field(f)); }
-    };
-
-    basic_openid_message::basic_openid_message(const basic_openid_message& x) {
-        x.copy_to(*this);
-    }
-    void basic_openid_message::copy_to(basic_openid_message& x) const {
-        x.reset_fields();
-        for_each(fields_begin(),fields_end(),
-                __om_copier(x,*this) );
-    }
-    void basic_openid_message::append_to(basic_openid_message& x) const {
-        for_each(fields_begin(),fields_end(),
-                __om_copier(x,*this) );
-    }
 
     struct __om_ns_finder : public unary_function<const string&,bool> {
         public:
             const basic_openid_message& om;
             const string& uri;
 
             __om_ns_finder(const basic_openid_message& m,
                     const string& u) : om(m), uri(u) { }
 
             result_type operator()(argument_type f) {
                 return
                     (!strncmp(f.c_str(),"ns.",sizeof("ns.")-1))
                         && om.get_field(f)==uri ;
             }
     };
 
     bool basic_openid_message::has_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         return !(i==ei);
     }
     string basic_openid_message::get_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         if(i==ei)
             throw failed_lookup(OPKELE_CP_ string("failed to find namespace ")+uri);
         return i->substr(3);
     }
 
-    struct __om_query_builder : public unary_function<const string&,void> {
-        public:
-            const basic_openid_message& om;
-            bool first;
-            string& rv;
-            const char *pfx;
-
-            __om_query_builder(const char *p,string& r,const basic_openid_message& m)
-                : om(m), first(true), rv(r), pfx(p) {
-                    for_each(om.fields_begin(),om.fields_end(),*this);
-                }
-            __om_query_builder(const char *p,string& r,const basic_openid_message& m,const string& u)
-                : om(m), first(true), rv(r), pfx(p) {
-                    rv = u;
-                    if(rv.find('?')==string::npos)
-                        rv += '?';
-                    else
-                        first = false;
-                    for_each(om.fields_begin(),om.fields_end(),*this);
-                }
-
-            result_type operator()(argument_type f) {
-                if(first)
-                    first = false;
-                else
-                    rv += '&';
-                if(pfx) rv += pfx;
-                rv+= f;
-                rv += '=';
-                rv += util::url_encode(om.get_field(f));
-            }
-    };
-
-    string basic_openid_message::append_query(const string& url,const char *pfx) const {
-        string rv;
-        return __om_query_builder(pfx,rv,*this,url).rv;
-    }
-    string basic_openid_message::query_string(const char *pfx) const {
-        string rv;
-        return __om_query_builder(pfx,rv,*this).rv;
-    }
-
-    void basic_openid_message::reset_fields() {
-        throw not_implemented(OPKELE_CP_ "reset_fields() not implemented");
-    }
-    void basic_openid_message::set_field(const string&,const string&) {
-        throw not_implemented(OPKELE_CP_ "set_field() not implemented");
-    }
-    void basic_openid_message::reset_field(const string&) {
-        throw not_implemented(OPKELE_CP_ "reset_field() not implemented");
-    }
-
     void basic_openid_message::from_keyvalues(const string& kv) {
         reset_fields();
         string::size_type p = 0;
         while(true) {
             string::size_type co = kv.find(':',p);
             if(co==string::npos)
                 break;
 #ifndef POSTELS_LAW
             string::size_type nl = kv.find('\n',co+1);
             if(nl==string::npos)
                 throw bad_input(OPKELE_CP_ "malformed input");
             if(nl>co)
-                insert(value_type(kv.substr(p,co-p),kv.substr(co+1,nl-co-1)));
+                set_field(kv.substr(p,co-p),kv.substr(co+1,nl-co-1));
             p = nl+1;
 #else /* POSTELS_LAW */
             string::size_type lb = kv.find_first_of("\r\n",co+1);
             if(lb==string::npos) {
                 set_field(kv.substr(p,co-p),kv.substr(co+1));
                 break;
             }
             if(lb>co)
                 set_field(kv.substr(p,co-p),kv.substr(co+1,lb-co-1));
             string::size_type nolb = kv.find_first_not_of("\r\n",lb);
             if(nolb==string::npos)
                 break;
             p = nolb;
 #endif /* POSTELS_LAW */
         }
     }
 
     struct __om_kv_outputter : public unary_function<const string&,void> {
         public:
             const basic_openid_message& om;
             ostream& os;
 
             __om_kv_outputter(const basic_openid_message& m,ostream& s)
                 : om(m), os(s) { }
 
             result_type operator()(argument_type f) {
                 os << f << ':' << om.get_field(f) << '\n';
             }
     };
 
     void basic_openid_message::to_keyvalues(ostream& o) const {
         for_each(fields_begin(),fields_end(),__om_kv_outputter(*this,o));
     }
 
     struct __om_html_outputter : public unary_function<const string&,void> {
         public:
             const basic_openid_message& om;
             ostream& os;
             const char *pfx;
 
             __om_html_outputter(const basic_openid_message& m,ostream& s,const char *p=0)
                 : om(m), os(s), pfx(p) { }
 
             result_type operator()(argument_type f) {
                 os <<
                     "<input type=\"hidden\""
                     " name=\"";
                 if(pfx)
@@ -195,82 +119,76 @@ namespace opkele {
         string signeds;
         try {
             signeds = get_field("signed");
             string::size_type lnc = signeds.find_last_not_of(",");
             if(lnc==string::npos)
                 signeds.assign(fields,fnc,fields.size()-fnc);
             else{
                 string::size_type ss = signeds.size();
                 if(lnc==(ss-1)) {
                     signeds+= ',';
                     signeds.append(fields,fnc,fields.size()-fnc);
                 }else{
                     if(lnc<(ss-2))
                         signeds.replace(lnc+2,ss-lnc-2,
                                 fields,fnc,fields.size()-fnc);
                     else
                         signeds.append(fields,fnc,fields.size()-fnc);
                 }
             }
         }catch(failed_lookup&) {
             signeds.assign(fields,fnc,fields.size()-fnc);
         }
         set_field("signed",signeds);
     }
 
     string basic_openid_message::find_ns(const string& uri,const char *pfx) const {
         try {
             return get_ns(uri);
         }catch(failed_lookup&) {
             return pfx;
         }
     }
     string basic_openid_message::allocate_ns(const string& uri,const char *pfx) {
         if(!has_field("ns"))
             return pfx;
         if(has_ns(uri))
             throw bad_input(OPKELE_CP_ "OpenID message already contains namespace");
         string rv = pfx;
         if(has_field("ns."+rv)) {
             string::reference c=rv[rv.length()];
             for(c='a';c<='z' && has_field("ns."+rv);++c);
             if(c=='z')
                 throw exception(OPKELE_CP_ "Failed to allocate namespace");
         }
         set_field("ns."+rv,uri);
         return rv;
     }
 
-    void openid_message_t::copy_to(basic_openid_message& x) const {
-        x.reset_fields();
-        for(const_iterator i=begin();i!=end();++i)
-            x.set_field(i->first,i->second);
-    }
-
     bool openid_message_t::has_field(const string& n) const {
         return find(n)!=end();
     }
     const string& openid_message_t::get_field(const string& n) const {
         const_iterator i=find(n);
         if(i==end())
             throw failed_lookup(OPKELE_CP_ n+": no such field");
         return i->second;
     }
 
     openid_message_t::fields_iterator openid_message_t::fields_begin() const {
         return util::map_keys_iterator<const_iterator,string,const string&,const string*>(begin(),end());
     }
     openid_message_t::fields_iterator openid_message_t::fields_end() const {
         return util::map_keys_iterator<const_iterator,string,const string&,const string*>(end(),end());
     }
 
     void openid_message_t::reset_fields() {
         clear();
     }
     void openid_message_t::set_field(const string& n,const string& v) {
         (*this)[n]=v;
     }
     void openid_message_t::reset_field(const string& n) {
         erase(n);
     }
 
 }
diff --git a/libopkele.pc.in b/libopkele.pc.in
index 011f2fe..2720a6a 100644
--- a/libopkele.pc.in
+++ b/libopkele.pc.in
@@ -1,11 +1,11 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
 
 Name: libopkele
 Description: C++ implementation of OpenID protocol
 Version: @VERSION@
-Requires: openssl libpcre @KONFORKA_KONFORKA@
+Requires: openssl libpcre @KONFORKA_KONFORKA@ @UUID_UUID@
 Cflags: -I${includedir} @LIBCURL_CPPFLAGS@ @PCRE_CFLAGS@ @EXPAT_CFLAGS@ @TIDY_CFLAGS@
 Libs: -L${libdir} -lopkele @LIBCURL@ @PCRE_LIBS@ @EXPAT_LIBS@ @TIDY_LIBS@