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
@@ -85,169 +85,173 @@ AC_COMPILE_IFELSE([
    return 0;
   }
  ],[
   AC_MSG_RESULT([yes])
   AC_DEFINE([HAVE_DEMANGLE],,[defined if abi::__cxa_demangle is available])
  ],[
   AC_MSG_RESULT([no])
  ]
 )
 AC_LANG_POP([C++])
 
 
 
 
 PKG_CHECK_MODULES([OPENSSL],[openssl],,[
  AC_MSG_ERROR([no openssl library found. get one from http://www.openssl.org/])
 ])
 
 WANT_KONFORKA="yes"
 AC_ARG_ENABLE([konforka],
  AC_HELP_STRING([--disable-konforka],[do not use konforka library (default: use if found)]),
  [
   test "${enableval}" = "no" && WANT_KONFORKA="no"
  ]
 )
 if test "${WANT_KONFORKA}" = "yes" ; then
  PKG_CHECK_MODULES([KONFORKA],[konforka],[
   AC_SUBST([KONFORKA_CFLAGS])
   AC_SUBST([KONFORKA_LIBS])
   AC_DEFINE([HAVE_KONFORKA],,[defined in presence of konforka library])
   AC_DEFINE([OPKELE_HAVE_KONFORKA],,[defined in presence of konforka library])
   AC_SUBST([KONFORKA_KONFORKA],[konforka])
  ],[true])
 fi
 
 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
 
 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
  CPPFLAGS_DEBUG="-DNDEBUG"
 else
  CPPFLAGS_DEBUG=""
 fi
 AC_SUBST([CPPFLAGS_DEBUG])
 
 xri_proxy_url="https://xri.net/"
 AC_MSG_CHECKING([for XRI resolver proxy])
 AC_ARG_ENABLE([xri-proxy],
  AC_HELP_STRING([--with-xri-proxy=url],[set xri proxy for use when resolving xri identities, default is https://xri.net/]),
  [ xri_proxy_url="$withval" ]
 )
 AC_MSG_RESULT([$xri_proxy_url])
 AC_DEFINE_UNQUOTED([XRI_PROXY_URL],["$xri_proxy_url"],[XRI proxy resolver URL])
 
 AC_CONFIG_FILES([
  Makefile
   libopkele.pc
   Doxyfile
  include/Makefile
   include/opkele/tr1-mem.h
  lib/Makefile
  test/Makefile
 ])
 AC_OUTPUT
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
@@ -25,210 +25,219 @@ namespace opkele {
     using std::set;
     using std::list;
     using std::iterator;
     using std::forward_iterator_tag;
 
     /**
      * the OpenID operation mode
      */
     typedef enum _mode_t {
 	mode_unknown = 0,
 	mode_associate,
 	mode_checkid_immediate,
 	mode_checkid_setup,
 	mode_check_association
     } mode_t;
 
     /**
      * the association secret container
      */
     class secret_t : public vector<unsigned char> {
 	public:
 
 	    /**
 	     * xor the secret and hmac together and encode, using base64
 	     * @param key_d pointer to the message digest
 	     * @param rv reference to the return value
 	     */
 	    void enxor_to_base64(const unsigned char *key_d,string& rv) const;
 	    /**
 	     * decode base64-encoded secret and xor it with the message digest
 	     * @param key_d pointer to the message digest
 	     * @param b64 base64-encoded secret value
 	     */
 	    void enxor_from_base64(const unsigned char *key_d,const string& b64);
 	    /**
 	     * plainly encode to base64 representation
 	     * @param rv reference to the return value
 	     */
 	    void to_base64(string& rv) const;
 	    /**
 	     * decode cleartext secret from base64
 	     * @param b64 base64-encoded representation of the secret value
 	     */
 	    void from_base64(const string& b64);
     };
 
     /**
      * Interface to the association.
      */
     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;
 
 	openid_endpoint_t() { }
 	openid_endpoint_t(const string& u,const string& cid,const string& lid)
 	    : uri(u), claimed_id(cid), local_id(lid) { }
 
 	bool operator==(const openid_endpoint_t& x) const {
 	    return uri==x.uri && local_id==x.local_id; }
 	bool operator<(const openid_endpoint_t& x) const {
 	    int c;
 	    return (c=strcmp(uri.c_str(),x.uri.c_str()))
 		? (c<0) : (strcmp(local_id.c_str(),x.local_id.c_str())<0); }
     };
 
     typedef util::output_iterator_proxy<openid_endpoint_t>
 	openid_endpoint_output_iterator;
 
 }
 
 #endif /* __OPKELE_TYPES_H */
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
@@ -1,79 +1,99 @@
+#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))
 #ifdef	DISABLE_CURL_SSL_VERIFYHOST
 	    || (r=easy_setopt(CURLOPT_SSL_VERIFYHOST,0))
 #endif
 #ifdef	DISABLE_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() {
 	    assert(_c);
 	    CURLcode r;
 	    (r = easy_setopt(CURLOPT_PROGRESSDATA,this))
 	    || (r = easy_setopt(CURLOPT_PROGRESSFUNCTION,_progress))
 	    || (r = easy_setopt(CURLOPT_NOPROGRESS,0));
 	    return r;
 	}
 
 	static size_t _header(void *p,size_t s,size_t nm,void *stream) {
 	    return ((curl_t*)stream)->header(p,s,nm);
 	}
 
 	CURLcode curl_t::set_header() {
 	    assert(_c);
 	    CURLcode r;
 	    (r = easy_setopt(CURLOPT_HEADERDATA,this))
 	    || (r=easy_setopt(CURLOPT_HEADERFUNCTION,_header));
 	    return r;
 	}
 
     }
 
 }
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
@@ -1,276 +1,194 @@
 #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)
 		    os << util::attr_escape(pfx);
 		os << util::attr_escape(f) << "\""
 		    " value=\"" << util::attr_escape(om.get_field(f)) << "\" />";
 	    }
     };
 
     void basic_openid_message::to_htmlhiddens(ostream& o,const char* pfx) const {
 	for_each(fields_begin(),fields_end(),__om_html_outputter(*this,o,pfx));
     }
 
     void basic_openid_message::add_to_signed(const string& fields) {
 	string::size_type fnc = fields.find_first_not_of(",");
 	if(fnc==string::npos)
 	    throw bad_input(OPKELE_CP_ "Trying to add nothing in particular to the list of signed fields");
 	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@