From 16667a21c3052c89218d3e56098f0fc29dca2f1a Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Fri, 08 Feb 2008 22:16:15 +0000
Subject: minor fixes and making compiler a bit happier

Signed-off-by: Michael Krelin <hacker@klever.net>
---
diff --git a/include/opkele/basic_op.h b/include/opkele/basic_op.h
index 0326508..12306dd 100644
--- a/include/opkele/basic_op.h
+++ b/include/opkele/basic_op.h
@@ -46,6 +46,8 @@ namespace opkele {
 	     */
 	    string invalidate_handle;
 
+	    virtual ~basic_OP() { }
+
 	    void reset_vars();
 
 	    /**
diff --git a/include/opkele/expat.h b/include/opkele/expat.h
index 60c41ac..3ab1630 100644
--- a/include/opkele/expat.h
+++ b/include/opkele/expat.h
@@ -26,29 +26,29 @@ namespace opkele {
 		    return XML_Parse(_x,s,len,final);
 		}
 
-		virtual void start_element(const XML_Char *n,const XML_Char **a) { }
-		virtual void end_element(const XML_Char *n) { }
+		virtual void start_element(const XML_Char * /* n */,const XML_Char ** /* a */) { }
+		virtual void end_element(const XML_Char * /* n */) { }
 		void set_element_handler();
 
-		virtual void character_data(const XML_Char *s,int l) { }
+		virtual void character_data(const XML_Char * /* s */,int /* l */) { }
 		void set_character_data_handler();
 
-		virtual void processing_instruction(const XML_Char *t,const XML_Char *d) { }
+		virtual void processing_instruction(const XML_Char * /* t */,const XML_Char * /* d */) { }
 		void set_processing_instruction_handler();
 
-		virtual void comment(const XML_Char *d) { }
+		virtual void comment(const XML_Char * /* d */) { }
 		void set_comment_handler();
 
 		virtual void start_cdata_section() { }
 		virtual void end_cdata_section() { }
 		void set_cdata_section_handler();
 
-		virtual void default_handler(const XML_Char *s,int l) { }
+		virtual void default_handler(const XML_Char * /* s */,int /* l */) { }
 		void set_default_handler();
 		void set_default_handler_expand();
 
-		virtual void start_namespace_decl(const XML_Char *p,const XML_Char *u) { }
-		virtual void end_namespace_decl(const XML_Char *p) { }
+		virtual void start_namespace_decl(const XML_Char * /* p */,const XML_Char * /* u */) { }
+		virtual void end_namespace_decl(const XML_Char * /* p */) { }
 		void set_namespace_decl_handler();
 
 		inline enum XML_Error get_error_code() {
diff --git a/include/opkele/iterator.h b/include/opkele/iterator.h
index 812a786..28c1c83 100644
--- a/include/opkele/iterator.h
+++ b/include/opkele/iterator.h
@@ -26,12 +26,11 @@ namespace opkele {
 	    public:
 		IT i;
 
-		output_iterator_proxy_impl(const IT& i) : i(i) { }
+		output_iterator_proxy_impl(const IT& _i) : i(_i) { }
 		basic_output_iterator_proxy_impl<T>* dup() const {
 		    return new output_iterator_proxy_impl<IT,T>(i); }
 		basic_output_iterator_proxy_impl<T>& operator=(const T& x) {
-		    (*i) = x;
-		}
+		    (*i) = x; return *this; }
 	};
 
 	template<typename T>
@@ -51,7 +50,7 @@ namespace opkele {
 
 		output_iterator_proxy& operator*() { return *this; }
 		output_iterator_proxy& operator=(const T& x) {
-		    (**I) = x; }
+		    (**I) = x; return *this; }
 
 		output_iterator_proxy& operator++() { return *this; }
 		output_iterator_proxy& operator++(int) { return *this; }
@@ -77,7 +76,7 @@ namespace opkele {
 	    public:
 		IT i;
 
-		forward_iterator_proxy_impl(const IT& i) : i(i) { }
+		forward_iterator_proxy_impl(const IT& _i) : i(_i) { }
 
 		virtual basic_forward_iterator_proxy_impl<typename IT::value_type,typename IT::reference,typename IT::pointer>* dup() const {
 		    return new forward_iterator_proxy_impl<IT>(i); }
@@ -136,8 +135,8 @@ namespace opkele {
 		    bool empty;
 
 		    basic_filterator() : empty(true) { }
-		    basic_filterator(const IT& bi,const IT& ei)
-			: it(bi), ei(ei) { empty = (bi==ei); }
+		    basic_filterator(const IT& _bi,const IT& _ei)
+			: it(_bi), ei(_ei) { empty = (it==ei); }
 		    basic_filterator(const basic_filterator<IT>& x)
 			: it(x.it), ei(x.ei), empty(x.empty) { }
 		    virtual ~basic_filterator() { }
@@ -185,9 +184,9 @@ namespace opkele {
 		    bool empty;
 
 		    map_keys_iterator() : empty(true) { }
-		    map_keys_iterator(const IT& bi,
-			    const IT& ei)
-			: it(bi), ei(ei) { empty = (bi==ei); }
+		    map_keys_iterator(const IT& _bi,
+			    const IT& _ei)
+			: it(_bi), ei(_ei) { empty = (it==ei); }
 		    map_keys_iterator(const self_type& x)
 			: it(x.it), ei(x.ei), empty(x.empty) { }
 
diff --git a/include/opkele/types.h b/include/opkele/types.h
index 6ab51ef..a3b657d 100644
--- a/include/opkele/types.h
+++ b/include/opkele/types.h
@@ -126,6 +126,7 @@ namespace opkele {
 		> 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;
 
diff --git a/lib/basic_op.cc b/lib/basic_op.cc
index 18446dc..2d82147 100644
--- a/lib/basic_op.cc
+++ b/lib/basic_op.cc
@@ -66,9 +66,6 @@ namespace opkele {
 	util::bignum_t c_pub;
 	unsigned char key_digest[SHA256_DIGEST_LENGTH];
 	size_t d_len = 0;
-	enum {
-	    sess_cleartext, sess_dh_sha1, sess_dh_sha256
-	} st = sess_cleartext;
 	string sts = inm.get_field("session_type");
 	string ats = inm.get_field("assoc_type");
 	if(sts=="DH-SHA1" || sts=="DH-SHA256") {
@@ -98,19 +95,19 @@ namespace opkele {
 		throw internal_error(OPKELE_CP_ "I thought I knew the session type");
 	}else
 	    throw unsupported(OPKELE_CP_ "Unsupported session_type");
-	assoc_t assoc;
+	assoc_t a;
 	if(ats=="HMAC-SHA1")
-	    assoc = alloc_assoc(ats,SHA_DIGEST_LENGTH,true);
+	    a = alloc_assoc(ats,SHA_DIGEST_LENGTH,true);
 	else if(ats=="HMAC-SHA256")
-	    assoc = alloc_assoc(ats,SHA256_DIGEST_LENGTH,true);
+	    a = alloc_assoc(ats,SHA256_DIGEST_LENGTH,true);
 	else
 	    throw unsupported(OPKELE_CP_ "Unsupported assoc_type");
 	oum.reset_fields();
 	oum.set_field("ns",OIURI_OPENID20);
-	oum.set_field("assoc_type",assoc->assoc_type());
-	oum.set_field("assoc_handle",assoc->handle());
+	oum.set_field("assoc_type",a->assoc_type());
+	oum.set_field("assoc_handle",a->handle());
 	oum.set_field("expires_in",util::long_to_string(assoc->expires_in()));
-	secret_t secret = assoc->secret();
+	secret_t secret = a->secret();
 	if(sts=="DH-SHA1" || sts=="DH-SHA256") {
 	    if(d_len != secret.size())
 		throw bad_input(OPKELE_CP_ "Association secret and session MAC are not of the same size");
@@ -134,10 +131,10 @@ namespace opkele {
     void basic_OP::checkid_(const basic_openid_message& inm,
 	    extension_t *ext) {
 	reset_vars();
-	string mode = inm.get_field("mode");
-	if(mode=="checkid_setup")
+	string modestr = inm.get_field("mode");
+	if(modestr=="checkid_setup")
 	    mode = mode_checkid_setup;
-	else if(mode=="checkid_immediate")
+	else if(modestr=="checkid_immediate")
 	    mode = mode_checkid_immediate;
 	else
 	    throw bad_input(OPKELE_CP_ "Invalid checkid_* mode");
@@ -238,14 +235,14 @@ namespace opkele {
     }
 
     basic_openid_message& basic_OP::error(basic_openid_message& om,
-	    const string& error,const string& contact,
+	    const string& err,const string& contact,
 	    const string& reference ) {
 	assert(!return_to.empty());
 	om.set_field("ns",OIURI_OPENID20);
 	om.set_field("mode","error");
-	om.set_field("error",error);
-	om.set_field("contact",contact);
-	om.set_field("reference",reference);
+	om.set_field("error",err);
+	if(!contact.empty()) om.set_field("contact",contact);
+	if(!reference.empty()) om.set_field("reference",reference);
 	return om;
     }
 
diff --git a/lib/basic_rp.cc b/lib/basic_rp.cc
index bd45d99..a0ad130 100644
--- a/lib/basic_rp.cc
+++ b/lib/basic_rp.cc
@@ -1,3 +1,4 @@
+#include <cassert>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
 #include <opkele/basic_rp.h>
@@ -25,7 +26,8 @@ namespace opkele {
 	    throw exception_openssl(OPKELE_CP_ "failed to DH_compute_key()");
 	if(cklen && (*ckptr)&0x80) {
 	    (*(--ckptr))=0; ++cklen; }
-	unsigned char key_digest[d_len];
+	assert(d_len<=SHA256_DIGEST_LENGTH);
+	unsigned char key_digest[SHA256_DIGEST_LENGTH];
 	secret.enxor_from_base64((*d_fun)(ckptr,cklen,key_digest),om.get_field("enc_mac_key"));
 	if(secret.size()!=exp_s_len)
 	    throw bad_input(OPKELE_CP_ "Secret length isn't consistent with association type");
@@ -78,7 +80,7 @@ namespace opkele {
 		    "HMAC-SHA256", "DH-SHA256",
 		    dh, SHA256_DIGEST_LENGTH, SHA256, SHA256_DIGEST_LENGTH );
 	    expires_in = util::string_to_long(res.get_field("expires_in"));
-	}catch(exception& e) {
+	}catch(exception&) {
 	    try {
 		req.set_field("assoc_type","HMAC-SHA1");
 		req.set_field("session_type","DH-SHA1");
@@ -87,7 +89,7 @@ namespace opkele {
 			"HMAC-SHA1", "DH-SHA1",
 			dh, SHA_DIGEST_LENGTH, SHA1, SHA_DIGEST_LENGTH );
 		expires_in = util::string_to_long(res.get_field("expires_in"));
-	    }catch(bad_input& e) {
+	    }catch(bad_input&) {
 		throw dumb_RP(OPKELE_CP_ "OP failed to supply an association");
 	    }
 	}
@@ -234,7 +236,7 @@ namespace opkele {
 	    static const char *mustsign[] = {
 		"op_endpoint", "return_to", "response_nonce", "assoc_handle",
 		"claimed_id", "identity" };
-	    for(int ms=0;ms<(sizeof(mustsign)/sizeof(*mustsign));++ms) {
+	    for(size_t ms=0;ms<(sizeof(mustsign)/sizeof(*mustsign));++ms) {
 		if(om.has_field(mustsign[ms]) && !signeds.has_field(mustsign[ms]))
 		    throw bad_input(OPKELE_CP_ string("Field '")+mustsign[ms]+"' is not signed against the specs");
 	    }
diff --git a/lib/discovery.cc b/lib/discovery.cc
index 6f58339..6f9926c 100644
--- a/lib/discovery.cc
+++ b/lib/discovery.cc
@@ -330,7 +330,7 @@ namespace opkele {
 		    xrds_location.clear(); http_content_type.clear();
 		}else if(colon) {
 		    const char *hv = ++colon;
-		    int hnl = colon-h;
+		    size_t hnl = colon-h;
 		    int rb;
 		    for(rb = bytes-hnl-1;rb>0 && isspace(*hv);++hv,--rb);
 		    while(rb>0 && isspace(hv[rb-1])) --rb;
diff --git a/lib/expat.cc b/lib/expat.cc
index fa6fdde..c4dab7e 100644
--- a/lib/expat.cc
+++ b/lib/expat.cc
@@ -13,6 +13,7 @@ namespace opkele {
 	    if(_x)
 		XML_ParserFree(_x);
 	    _x = x;
+	    return *this;
 	}
 
 	static void _start_element(void* ud,const XML_Char *n,const XML_Char **a) {
diff --git a/lib/extension.cc b/lib/extension.cc
index f7aaea5..0f121ca 100644
--- a/lib/extension.cc
+++ b/lib/extension.cc
@@ -11,7 +11,7 @@ namespace opkele {
 
     void extension_t::op_checkid_hook(const basic_openid_message&) {
 	throw not_implemented(OPKELE_CP_ "OP checkid_* hook not implemented"); }
-    void extension_t::op_id_res_hook(basic_openid_message& om) {
+    void extension_t::op_id_res_hook(basic_openid_message&) {
 	throw not_implemented(OPKELE_CP_ "OP id_res hook not implemented"); }
 
 
diff --git a/lib/openid_message.cc b/lib/openid_message.cc
index fdb4b04..521ea85 100644
--- a/lib/openid_message.cc
+++ b/lib/openid_message.cc
@@ -15,8 +15,8 @@ namespace opkele {
 	    const basic_openid_message& from;
 	    basic_openid_message& to;
 
-	    __om_copier(basic_openid_message& to,const basic_openid_message& from)
-		: from(from), to(to) {
+	    __om_copier(basic_openid_message& t,const basic_openid_message& f)
+		: from(f), to(t) {
 		    to.reset_fields();
 		}
 
@@ -37,8 +37,8 @@ namespace opkele {
 	    const basic_openid_message& om;
 	    const string& uri;
 
-	    __om_ns_finder(const basic_openid_message& om,
-		    const string& uri) : om(om), uri(uri) { }
+	    __om_ns_finder(const basic_openid_message& m,
+		    const string& u) : om(m), uri(u) { }
 
 	    result_type operator()(argument_type f) {
 		return
@@ -65,16 +65,16 @@ namespace opkele {
     struct __om_query_builder : public unary_function<const string&,void> {
 	public:
 	    const basic_openid_message& om;
-	    string& rv;
 	    bool first;
+	    string& rv;
 
-	    __om_query_builder(string& rv,const basic_openid_message& om)
-		: om(om), first(true), rv(rv) {
+	    __om_query_builder(string& r,const basic_openid_message& m)
+		: om(m), first(true), rv(r) {
 		    for_each(om.fields_begin(),om.fields_end(),*this);
 		}
-	    __om_query_builder(string& rv,const basic_openid_message& om,const string& url)
-		: om(om), first(true), rv(rv) {
-		    rv = url;
+	    __om_query_builder(string& r,const basic_openid_message& m,const string& u)
+		: om(m), first(true), rv(r) {
+		    rv = u;
 		    if(rv.find('?')==string::npos)
 			rv += '?';
 		    else
@@ -105,10 +105,10 @@ namespace opkele {
     void basic_openid_message::reset_fields() {
 	throw not_implemented(OPKELE_CP_ "reset_fields() not implemented");
     }
-    void basic_openid_message::set_field(const string& n,const string& v) {
+    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& n) {
+    void basic_openid_message::reset_field(const string&) {
 	throw not_implemented(OPKELE_CP_ "reset_field() not implemented");
     }
 
@@ -147,8 +147,8 @@ namespace opkele {
 	    const basic_openid_message& om;
 	    ostream& os;
 
-	    __om_kv_outputter(const basic_openid_message& om,ostream& os)
-		: om(om), os(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';
@@ -164,8 +164,8 @@ namespace opkele {
 	    const basic_openid_message& om;
 	    ostream& os;
 
-	    __om_html_outputter(const basic_openid_message& om,ostream& os)
-		: om(om), os(os) { }
+	    __om_html_outputter(const basic_openid_message& m,ostream& s)
+		: om(m), os(s) { }
 
 	    result_type operator()(argument_type f) {
 		os <<
diff --git a/lib/prequeue_rp.cc b/lib/prequeue_rp.cc
index e242f87..3aa960f 100644
--- a/lib/prequeue_rp.cc
+++ b/lib/prequeue_rp.cc
@@ -55,7 +55,7 @@ namespace opkele {
 	public:
 	    prequeue_RP& rp;
 
-	    endpoint_queuer(prequeue_RP& rp) : rp(rp) { }
+	    endpoint_queuer(prequeue_RP& r) : rp(r) { }
 
 	    endpoint_queuer& operator*() { return *this; }
 	    endpoint_queuer& operator=(const openid_endpoint_t& oep) {
@@ -71,7 +71,7 @@ namespace opkele {
 	end_queueing();
     }
 
-    void prequeue_RP::set_normalized_id(const string& nid) {
+    void prequeue_RP::set_normalized_id(const string&) {
     }
 
     const string prequeue_RP::get_normalized_id() const {
diff --git a/lib/sreg.cc b/lib/sreg.cc
index b40cd45..0bd4d2e 100644
--- a/lib/sreg.cc
+++ b/lib/sreg.cc
@@ -55,12 +55,10 @@ namespace opkele {
 	string pfx;
 	try {
 	    pfx = om.find_ns(OIURI_SREG11,"sreg");
-	}catch(failed_lookup& fl) {
+	}catch(failed_lookup&) {
 	    try {
 		pfx = om.find_ns(OIURI_SREG10,"sreg");
-	    }catch(failed_lookup& fl) {
-		return;
-	    }
+	    }catch(failed_lookup&) { return; }
 	}
 	pfx += '.';
 	for(fields_iterator f=fields_BEGIN;f<fields_END;++f) {
diff --git a/lib/verify_op.cc b/lib/verify_op.cc
index ab21b4f..c493c12 100644
--- a/lib/verify_op.cc
+++ b/lib/verify_op.cc
@@ -15,8 +15,8 @@ namespace opkele {
 
     class RP_verifier : public iterator<output_iterator_tag,openid_endpoint_t,void> {
 	public:
-	    int seen;
 	    const string& return_to;
+	    int seen;
 
 	    RP_verifier(const string& rt)
 		: return_to(rt), seen(0) { }
@@ -29,7 +29,7 @@ namespace opkele {
 	    }
 
 	    RP_verifier& operator++() { ++seen; return *this; }
-	    RP_verifier& operator++(int) { +seen; return *this; }
+	    RP_verifier& operator++(int) { ++seen; return *this; }
     };
 
     void verify_OP::verify_return_to() {
diff --git a/test/OP.cc b/test/OP.cc
index 851d831..6012b2e 100644
--- a/test/OP.cc
+++ b/test/OP.cc
@@ -59,8 +59,8 @@ class example_op_t : public opkele::verify_OP {
 	kingate::cookie htc;
 
 
-	example_op_t(kingate::cgi_gateway& gw)
-	: gw(gw) {
+	example_op_t(kingate::cgi_gateway& g)
+	: gw(g) {
 	    try {
 		htc = gw.cookies.get_cookie("htop_session");
 		sqlite3_mem_t<char*> S = sqlite3_mprintf(
@@ -200,7 +200,7 @@ class example_op_t : public opkele::verify_OP {
 
 };
 
-int main(int argc,char *argv[]) {
+int main(int,char **) {
     try {
 	kingate::plaincgi_interface ci;
 	kingate::cgi_gateway gw(ci);
@@ -244,8 +244,8 @@ int main(int argc,char *argv[]) {
 	    op.clear();
 	    message = "logged out";
 	}
-	string om;
-	try { om = gw.get_param("openid.mode"); }catch(kingate::exception_notfound&) { }
+	string omode;
+	try { omode = gw.get_param("openid.mode"); }catch(kingate::exception_notfound&) { }
 	if(op=="xrds") {
 	    cout <<
 		"Content-type: application/xrds+xml\n\n"
@@ -295,14 +295,14 @@ int main(int argc,char *argv[]) {
 		    << "\n\n";
 	    }
 	    om.to_keyvalues(clog);
-	}else if(om=="associate") {
+	}else if(omode=="associate") {
 	    kingate_openid_message_t inm(gw);
 	    opkele::openid_message_t oum;
 	    example_op_t OP(gw);
 	    OP.associate(oum,inm);
 	    cout << "Content-type: text/plain\n\n";
 	    oum.to_keyvalues(cout);
-	}else if(om=="checkid_setup") {
+	}else if(omode=="checkid_setup") {
 	    kingate_openid_message_t inm(gw);
 	    example_op_t OP(gw);
 	    OP.checkid_(inm,0);
@@ -336,7 +336,7 @@ int main(int argc,char *argv[]) {
 		  "</form>"
 		 "</body>"
 		"</html>";
-	}else if(om=="check_authentication") {
+	}else if(omode=="check_authentication") {
 	    kingate_openid_message_t inm(gw);
 	    example_op_t OP(gw);
 	    opkele::openid_message_t oum;
diff --git a/test/RP.cc b/test/RP.cc
index e9744a4..99a792c 100644
--- a/test/RP.cc
+++ b/test/RP.cc
@@ -58,8 +58,8 @@ class example_rp_t : public opkele::prequeue_RP {
 	int ordinal;
 	kingate::cgi_gateway& gw;
 
-	example_rp_t(kingate::cgi_gateway& gw)
-	: ordinal(0), have_eqtop(false), gw(gw), as_id(-1) {
+	example_rp_t(kingate::cgi_gateway& g)
+	: as_id(-1), ordinal(0), gw(g), have_eqtop(false)  {
 	    try {
 		htc = gw.cookies.get_cookie("ht_session");
 		as_id = opkele::util::string_to_long(gw.get_param("asid"));
@@ -351,7 +351,7 @@ class example_rp_t : public opkele::prequeue_RP {
 #endif
 };
 
-int main(int argc,char *argv[]) {
+int main(int,char **) {
     try {
 	kingate::plaincgi_interface ci;
 	kingate::cgi_gateway gw(ci);
diff --git a/test/kingate_openid_message.h b/test/kingate_openid_message.h
index 37dcdfa..7029ff7 100644
--- a/test/kingate_openid_message.h
+++ b/test/kingate_openid_message.h
@@ -57,8 +57,8 @@ class cut_prefix_filterator : public opkele::util::basic_filterator<IT> {
 	mutable string tmp;
 
 	cut_prefix_filterator() { }
-	cut_prefix_filterator(const IT& bi,const IT&ei,const string& pfx)
-	    : opkele::util::basic_filterator<IT>(bi,ei), pfx(pfx) {
+	cut_prefix_filterator(const IT& _bi,const IT&_ei,const string& p)
+	    : opkele::util::basic_filterator<IT>(_bi,_ei), pfx(p) {
 		this->prepare();
 	    }
 
--
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