| -rw-r--r-- | configure.ac | 5 | ||||
| -rw-r--r-- | include/opkele/tidy.h | 7 | ||||
| -rw-r--r-- | lib/discovery.cc | 3 |
3 files changed, 12 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 0aa1272..a66e53d 100644 --- a/configure.ac +++ b/configure.ac @@ -1,257 +1,258 @@ AC_INIT([libopkele], [1.1.99.0], [libopkele-bugs@klever.net]) AC_CONFIG_SRCDIR([include/opkele/opkele-config.h]) AC_CONFIG_HEADERS([config.h include/opkele/acconfig.h]) AM_INIT_AUTOMAKE([dist-bzip2]) AC_PROG_INSTALL AC_PROG_CXX AC_PROG_CC AC_PROG_LIBTOOL PKG_PROG_PKG_CONFIG AC_HEADER_STDC AC_PATH_PROG([XSLTPROC],[xsltproc],[true]) AC_MSG_CHECKING([for source tree version]) if headrev=$(cd $srcdir && git rev-parse --verify HEAD 2>/dev/null) ; then PACKAGE_SRC_VERSION="$(cd $srcdir && git describe --tags $headrev)" test "$PACKAGE_SRC_VERSION" = "$PACKAGE_VERSION" \ -o "${PACKAGE_SRC_VERSION#${PACKAGE_VERSION}-}" != "$PACKAGE_SRC_VERSION" || PACKAGE_SRC_VERSION="${PACKAGE_VERSION}:${PACKAGE_SRC_VERSION}" ( cd $srcdir && git diff-index $headrev | read dirt ) && PACKAGE_SRC_VERSION="${PACKAGE_SRC_VERSION}-dirty" else PACKAGE_SRC_VERSION="$PACKAGE_VERSION" fi AC_MSG_RESULT([$PACKAGE_SRC_VERSION]) AC_SUBST([PACKAGE_SRC_VERSION]) AC_DEFINE_UNQUOTED([PACKAGE_SRC_VERSION],["$PACKAGE_SRC_VERSION"],[more or less precise source tree version]) tr1_mem_std="false" tr1_mem_boost="false" AC_CHECK_SHAREDPTR(std::tr1,tr1/memory,[ tr1_mem_std=true ]) AC_CHECK_SHAREDPTR(boost,boost/shared_ptr.hpp,[ tr1_mem_boost=true ]) tr1_mem="" AC_ARG_WITH([tr1-memory], AC_HELP_STRING([--with-tr1-memory=<boost|std>],[select tr1/memory (shared_ptr<>) implementation to use]), [ tr1_mem="$withval" ] ) AC_MSG_CHECKING([for tr1/memory implementation to use]) test -z "$tr1_mem" && $tr1_mem_std && tr1_mem=std test -z "$tr1_mem" && $tr1_mem_boost && tr1_mem=boost if test -z "$tr1_mem" ; then AC_MSG_RESULT([none found]) else AC_MSG_RESULT([$tr1_mem]) fi case "$tr1_mem" in std) $tr1_mem_std || AC_MSG_ERROR([std implementation requested, but not found]) OPKELE_TR1_MEM_NS=std::tr1 OPKELE_TR1_MEM_HEADER=tr1/memory ;; boost) $tr1_mem_boost || AC_MSG_ERROR([boost implementation requested, but not found]) OPKELE_TR1_MEM_NS=boost OPKELE_TR1_MEM_HEADER=boost/shared_ptr.hpp ;; *) AC_MSG_ERROR([no shared_ptr<> implementation found]) ;; esac AC_SUBST([OPKELE_TR1_MEM_NS]) AC_SUBST([OPKELE_TR1_MEM_HEADER]) AC_MSG_CHECKING([for deprecated attribute support]) AC_COMPILE_IFELSE([ int __attribute__((deprecated)) deprecated_function(); ],[ AC_MSG_RESULT([yes]) AC_DEFINE([OPKELE_DEPRECATE],[__attribute__((deprecated))],[deprecated function attribute]) ],[ AC_MSG_RESULT([no]) AC_DEFINE([OPKELE_DEPRECATE],,[deprecated function attribute]) ] ) AC_LANG_PUSH([C++]) AC_MSG_CHECKING([for abi::__cxa_demangle]) AC_COMPILE_IFELSE([ #include <typeinfo> using namespace std; #include <cxxabi.h> int main(int c,char **v) { int dstat; char *demangled = abi::__cxa_demangle(typeid(dstat).name(),0,0,&dstat); return 0; } ],[ AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_DEMANGLE],,[defined if abi::__cxa_demangle is available]) ],[ AC_MSG_RESULT([no]) ] ) AC_LANG_POP([C++]) PKG_CHECK_MODULES([OPENSSL],[openssl],,[ AC_MSG_ERROR([no openssl library found. get one from http://www.openssl.org/]) ]) WANT_KONFORKA="yes" AC_ARG_ENABLE([konforka], AC_HELP_STRING([--disable-konforka],[do not use konforka library (default: use if found)]), [ test "${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 "${WANT_DOXYGEN}" = "yes" ; then AC_WITH_DOXYGEN AC_WITH_DOT else AM_CONDITIONAL([HAVE_DOXYGEN],[false]) AM_CONDITIONAL([HAVE_DOT],[false]) fi LIBCURL_CHECK_CONFIG(,,,[ AC_MSG_ERROR([no required libcurl library. get one from http://curl.haxx.se/]) ]) AC_CHECK_HEADER([expat.h],[ AC_CHECK_LIB([expat],[XML_ParserCreate],[ EXPAT_LIBS=-lexpat EXPAT_CFLAGS= AC_SUBST([EXPAT_LIBS]) AC_SUBST([EXPAT_CFLAGS]) ],[ AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/]) ]) ],[ AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/]) ]) -AC_CHECK_HEADER([tidy.h],[ +AC_CHECK_HEADERS([tidy.h tidy/tidy.h],[ AC_CHECK_LIB([tidy],[tidyParseBuffer],[ TIDY_LIBS=-ltidy TIDY_CFLAGS= AC_SUBST([TIDY_LIBS]) AC_SUBST([TIDY_CFLAGS]) ],[ AC_MSG_ERROR([no required htmltidy library found. get one from http://tidy.sourceforge.net/]) ]) ],[ - AC_MSG_ERROR([no required htmltidy library found. get one from http://tidy.sourceforge.net/]) + test "$ac_header" = "tidy/tidy.h" \ + && 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/tidy.h b/include/opkele/tidy.h index 888e7d4..059656d 100644 --- a/include/opkele/tidy.h +++ b/include/opkele/tidy.h @@ -1,73 +1,80 @@ #ifndef __OPKELE_TIDY_H #define __OPKELE_TIDY_H #include <cassert> +#ifdef HAVE_TIDY_H #include <tidy.h> #include <buffio.h> +#elif HAVE_TIDY_TIDY_H +# include <tidy/tidy.h> +# include <tidy/buffio.h> +#else +# error "Don't know where to look for htmltidy headers" +#endif namespace opkele { namespace util { class tidy_buf_t { public: TidyBuffer _x; tidy_buf_t() { tidyBufInit(&_x); } virtual ~tidy_buf_t() throw() { tidyBufFree(&_x); } inline operator const TidyBuffer&(void) const { return _x; } inline operator TidyBuffer&(void) { return _x; } inline operator const char*(void) const { return (const char*)_x.bp; } inline operator char*(void) { return (char*)_x.bp; } inline const char *c_str() const { return (const char*)_x.bp; } inline size_t size() const { return _x.size; } }; class tidy_doc_t { public: TidyDoc _x; tidy_doc_t() : _x(0) { } tidy_doc_t(TidyDoc x) : _x(x) { } virtual ~tidy_doc_t() throw() { if(_x) tidyRelease(_x); } tidy_doc_t& operator=(TidyDoc x) { if(_x) tidyRelease(_x); _x = x; return *this; } operator const TidyDoc(void) const { return _x; } operator TidyDoc(void) { return _x; } inline bool opt_set(TidyOptionId o,bool v) { assert(_x); return tidyOptSetBool(_x,o,v?yes:no); } inline bool opt_set(TidyOptionId o,int v) { assert(_x); return tidyOptSetInt(_x,o,v); } inline int parse_string(const string& s) { assert(_x); return tidyParseString(_x,s.c_str()); } inline int clean_and_repair() { assert(_x); return tidyCleanAndRepair(_x); } inline int save_buffer(TidyBuffer& ob) { assert(_x); return tidySaveBuffer(_x,&ob); } static inline TidyDoc create() { return tidyCreate(); } }; } } #endif /* __OPKELE_TIDY_H */ diff --git a/lib/discovery.cc b/lib/discovery.cc index 3b90977..d1989ec 100644 --- a/lib/discovery.cc +++ b/lib/discovery.cc @@ -1,397 +1,398 @@ #include <list> #include <opkele/curl.h> #include <opkele/expat.h> #include <opkele/uris.h> #include <opkele/discovery.h> #include <opkele/exception.h> #include <opkele/util.h> -#include <opkele/tidy.h> #include <opkele/data.h> #include <opkele/debug.h> #include "config.h" +#include <opkele/tidy.h> + #define XRDS_HEADER "X-XRDS-Location" #define CT_HEADER "Content-Type" namespace opkele { using std::list; using xrd::XRD_t; using xrd::service_t; /* TODO: the whole discovery thing needs cleanup and optimization due to * many changes of concept. */ static const size_t max_html = 16384; static const struct service_type_t { const char *uri; const char *forceid; } op_service_types[] = { { STURI_OPENID20_OP, IDURI_SELECT20 }, { STURI_OPENID20, 0 }, { STURI_OPENID11, 0 }, { STURI_OPENID10, 0 } }; enum { st_index_1 = 2, st_index_2 = 1 }; static inline bool is_qelement(const XML_Char *n,const char *qen) { return !strcasecmp(n,qen); } static inline bool is_element(const XML_Char *n,const char *en) { if(!strcasecmp(n,en)) return true; int nl = strlen(n), enl = strlen(en); if( (nl>=(enl+1)) && n[nl-enl-1]=='\t' && !strcasecmp(&n[nl-enl],en) ) return true; return false; } static long element_priority(const XML_Char **a) { for(;*a;++a) if(!strcasecmp(*(a++),"priority")) { long rv; return (sscanf(*a,"%ld",&rv)==1)?rv:-1; } return -1; } /* TODO: ideally all attributes should be * retrieved in one run */ static const char *element_attr(const XML_Char **a, const char *at) { for(;*a;++a) if(!strcasecmp(*(a++),at)) { return *a; } return 0; } class idigger_t : public util::curl_t, public util::expat_t { public: string xri_proxy; enum { xmode_html = 1, xmode_xrd = 2, xmode_cid = 4, xmode_noredirs = 8 }; int xmode; string xrds_location; string http_content_type; service_t html_openid1; service_t html_openid2; string cdata_buf; long status_code; string status_string; typedef list<string> pt_stack_t; pt_stack_t pt_stack; int skipping; bool parser_choked; string save_html; XRD_t *xrd; service_t *xrd_service; string* cdata; idigger_t() : util::curl_t(easy_init()), util::expat_t(0), xri_proxy(XRI_PROXY_URL) { CURLcode r; (r=misc_sets()) || (r=set_write()) || (r=set_header()) ; if(r) throw exception_curl(OPKELE_CP_ "failed to set curly options",r); } ~idigger_t() throw() { } void yadiscover(endpoint_discovery_iterator oi,const string& yurl,const char **types,bool redirs) { idiscovery_t idis; idis.xri_identity = false; discover_at(idis,yurl,xmode_html|xmode_xrd|(redirs?0:xmode_noredirs)); if(!xrds_location.empty()) { idis.clear(); discover_at(idis,xrds_location,xmode_xrd); } idis.normalized_id = idis.canonicalized_id = yurl; service_type_t st; for(st.uri=*types;*types;st.uri=*(++types)) queue_endpoints(oi,idis,&st); } string discover(endpoint_discovery_iterator& oi,const string& identity) { string rv; idiscovery_t idis; string::size_type fsc = identity.find_first_not_of(data::_whitespace_chars); if(fsc==string::npos) throw bad_input(OPKELE_CP_ "whitespace-only identity"); string::size_type lsc = identity.find_last_not_of(data::_whitespace_chars); assert(lsc!=string::npos); if(!strncasecmp(identity.c_str()+fsc,"xri://",sizeof("xri://")-1)) fsc += sizeof("xri://")-1; if((fsc+1)>=lsc) throw bad_input(OPKELE_CP_ "not a character of importance in identity"); string id(identity,fsc,lsc-fsc+1); idis.clear(); if(strchr(data::_iname_leaders,id[0])) { /* TODO: further normalize xri identity? Like folding case * or whatever... */ rv = id; set<string> cids; for(const struct service_type_t *st=op_service_types; st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) { idis.clear(); discover_at( idis, xri_proxy + util::url_encode(id)+ "?_xrd_t="+util::url_encode(st->uri)+ "&_xrd_r=application/xrd%2Bxml" ";sep=true;refs=true", xmode_xrd ); if(status_code==241) continue; if(status_code!=100) throw failed_xri_resolution(OPKELE_CP_ "XRI resolution failed with '"+status_string+"' message" ", while looking for SEP with type '"+st->uri+"'", status_code); if(idis.xrd.canonical_ids.empty()) throw opkele::failed_discovery(OPKELE_CP_ "No CanonicalID for XRI identity found"); string cid = idis.xrd.canonical_ids.begin()->second; if(cids.find(cid)==cids.end()) { cids.insert(cid); idis.clear(); discover_at( idis, xri_proxy + util::url_encode(id)+ "?_xrd_t="+util::url_encode(st->uri)+ "&_xrd_r=application/xrd%2Bxml" ";sep=true;refs=true", xmode_xrd ); if(status_code==241) continue; if(status_code!=100) throw failed_xri_resolution(OPKELE_CP_ "XRI resolution failed with '"+status_string+"' message" ", while looking for SEP with type '"+st->uri+"'" " on canonical id", status_code); } idis.canonicalized_id = cid; idis.normalized_id = rv; idis.xri_identity = true; queue_endpoints(oi,idis,st); } }else{ idis.xri_identity = false; if(id.find("://")==string::npos) id.insert(0,"http://"); string::size_type fp = id.find('#'); if(fp!=string::npos) { string::size_type qp = id.find('?'); if(qp==string::npos || qp<fp) id.erase(fp); else if(qp>fp) id.erase(fp,qp-fp); } rv = idis.normalized_id = util::rfc_3986_normalize_uri(id); discover_at(idis,id,xmode_html|xmode_xrd); const char * eu = 0; CURLcode r = easy_getinfo(CURLINFO_EFFECTIVE_URL,&eu); if(r) throw exception_curl(OPKELE_CP_ "failed to get CURLINFO_EFFECTIVE_URL",r); string cid = util::strip_uri_fragment_part( idis.canonicalized_id = util::rfc_3986_normalize_uri(eu) ); if(xrds_location.empty()) { if(idis.xrd.empty()) html2xrd(oi,idis); else{ for(const service_type_t *st=op_service_types; st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) queue_endpoints(oi,idis,st); } }else{ idis.clear(); idis.canonicalized_id = cid; discover_at(idis,xrds_location,xmode_xrd); if(idis.xrd.empty()) html2xrd(oi,idis); else{ for(const service_type_t *st=op_service_types; st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) queue_endpoints(oi,idis,st); } } } return rv; } void discover_at(idiscovery_t& idis,const string& url,int xm) { CURLcode r = easy_setopt(CURLOPT_MAXREDIRS, (xm&xmode_noredirs)?0:5); if(r) throw exception_curl(OPKELE_CP_ "failed to set curly maxredirs option"); if( (r=easy_setopt(CURLOPT_URL,url.c_str())) ) throw exception_curl(OPKELE_CP_ "failed to set curly urlie",r); http_content_type.clear(); xmode = xm; prepare_to_parse(); if(xmode&xmode_html) { xrds_location.clear(); save_html.clear(); save_html.reserve(max_html); } xrd = &idis.xrd; r = easy_perform(); if(r && r!=CURLE_WRITE_ERROR) throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); if(!parser_choked) { parse(0,0,true); }else if(xmode&xmode_html){ /* TODO: do not bother if we've seen xml */ try { util::tidy_doc_t td = util::tidy_doc_t::create(); if(!td) throw exception_tidy(OPKELE_CP_ "failed to create htmltidy document"); #ifndef NDEBUG td.opt_set(TidyQuiet,false); td.opt_set(TidyShowWarnings,false); #endif /* NDEBUG */ td.opt_set(TidyForceOutput,true); td.opt_set(TidyXhtmlOut,true); td.opt_set(TidyDoctypeMode,TidyDoctypeOmit); td.opt_set(TidyMark,false); td.opt_set(TidyNumEntities,true); if(td.parse_string(save_html)<=0) throw exception_tidy(OPKELE_CP_ "tidy failed to parse document"); if(td.clean_and_repair()<=0) throw exception_tidy(OPKELE_CP_ "tidy failed to clean and repair"); util::tidy_buf_t tide; if(td.save_buffer(tide)<=0) throw exception_tidy(OPKELE_CP_ "tidy failed to save buffer"); prepare_to_parse(); parse(tide.c_str(),tide.size(),true); }catch(exception_tidy& et) { } } save_html.clear(); } void prepare_to_parse() { (*(expat_t*)this) = parser_create_ns(); set_user_data(); set_element_handler(); set_character_data_handler(); if(xmode&xmode_html) { html_openid1.clear(); html_openid2.clear(); parser_choked = false; } cdata = 0; xrd_service = 0; skipping = 0; pt_stack.clear(); status_code = 100; status_string.clear(); } void html2xrd(endpoint_discovery_iterator& oi,idiscovery_t& id) { XRD_t& x = id.xrd; if(!html_openid2.uris.empty()) { html_openid2.types.insert(STURI_OPENID20); x.services.add(-1,html_openid2); queue_endpoints(oi,id,&op_service_types[st_index_2]); } if(!html_openid1.uris.empty()) { html_openid1.types.insert(STURI_OPENID11); x.services.add(-1,html_openid1); queue_endpoints(oi,id,&op_service_types[st_index_1]); } } size_t write(void *p,size_t s,size_t nm) { /* TODO: limit total size */ size_t bytes = s*nm; const char *inbuf = (const char*)p; if(xmode&xmode_html) { size_t mbts = save_html.capacity()-save_html.size(); size_t bts = 0; if(mbts>0) { bts = (bytes>mbts)?mbts:bytes; save_html.append(inbuf,bts); } if(skipping<0) return bts; } if(skipping<0) return 0; bool rp = parse(inbuf,bytes,false); if(!rp) { parser_choked = true; skipping = -1; if(!(xmode&xmode_html)) bytes = 0; } return bytes; } size_t header(void *p,size_t s,size_t nm) { size_t bytes = s*nm; const char *h = (const char*)p; const char *colon = (const char*)memchr(p,':',bytes); const char *space = (const char*)memchr(p,' ',bytes); if(space && ( (!colon) || space<colon ) ) { xrds_location.clear(); http_content_type.clear(); }else if(colon) { const char *hv = ++colon; 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; if(rb) { if( (hnl>=sizeof(XRDS_HEADER)) && !strncasecmp(h,XRDS_HEADER":", sizeof(XRDS_HEADER)) ) { xrds_location.assign(hv,rb); }else if( (hnl>=sizeof(CT_HEADER)) && !strncasecmp(h,CT_HEADER":", sizeof(CT_HEADER)) ) { const char *sc = (const char*)memchr( hv,';',rb); http_content_type.assign(hv,sc?(sc-hv):rb); } } } return curl_t::header(p,s,nm); } void start_element(const XML_Char *n,const XML_Char **a) { if(skipping<0) return; if(skipping) { if(xmode&xmode_html) html_start_element(n,a); ++skipping; return; } if(pt_stack.empty()) { if(is_qelement(n,NSURI_XRDS "\tXRDS")) return; if(is_qelement(n,NSURI_XRD "\tXRD")) { assert(xrd); xrd->clear(); pt_stack.push_back(n); }else if(xmode&xmode_html) { html_start_element(n,a); }else{ skipping = -1; } }else{ int pt_s = pt_stack.size(); if(pt_s==1) { if(is_qelement(n,NSURI_XRD "\tCanonicalID")) { assert(xrd); cdata = &(xrd->canonical_ids.add(element_priority(a),string())); }else if(is_qelement(n,NSURI_XRD "\tLocalID")) { assert(xrd); cdata = &(xrd->local_ids.add(element_priority(a),string())); }else if(is_qelement(n,NSURI_XRD "\tProviderID")) { assert(xrd); cdata = &(xrd->provider_id); }else if(is_qelement(n,NSURI_XRD "\tService")) { assert(xrd); xrd_service = &(xrd->services.add(element_priority(a), service_t())); pt_stack.push_back(n); }else if(is_qelement(n,NSURI_XRD "\tStatus")) { for(;*a;) { |