2 files changed, 16 insertions, 8 deletions

diff --git a/include/opkele/expat.h b/include/opkele/expat.h
index 60c41ac..97ed61a 100644
--- a/include/opkele/expat.h
+++ b/include/opkele/expat.h
@@ -20,14 +20,16 @@ namespace opkele {
 
                 operator const XML_Parser(void) const { return _x; }
                 operator XML_Parser(void) { return _x; }
 
                 inline bool parse(const char *s,int len,bool final=false) {
                     assert(_x);
-                    return XML_Parse(_x,s,len,final);
-                }
+                    return XML_Parse(_x,s,len,final); }
+                enum XML_Status stop_parser(bool resumable=false) {
+                    assert(_x);
+                    return XML_StopParser(_x,resumable); }
 
                 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) { }
diff --git a/lib/discovery.cc b/lib/discovery.cc
index 81727c0..8729cfb 100644
--- a/lib/discovery.cc
+++ b/lib/discovery.cc
@@ -2,12 +2,13 @@
 #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/debug.h>
 
 #include "config.h"
 
 #define XRDS_HEADER "X-XRDS-Location"
 #define CT_HEADER "Content-Type"
 
@@ -172,13 +173,17 @@ namespace opkele {
             }
 
             size_t write(void *p,size_t s,size_t nm) {
                 if(skipping<0) return 0;
                 /* TODO: limit total size */
                 size_t bytes = s*nm;
-                parse((const char *)p,bytes,false);
+                bool rp = parse((const char *)p,bytes,false);
+                if(!rp) {
+                    skipping = -1;
+                    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);
@@ -222,13 +227,13 @@ namespace opkele {
                         assert(xrd);
                         xrd->clear();
                         pt_stack.push_back(n);
                     }else if(xmode&xmode_html) {
                         html_start_element(n,a);
                     }else{
-                        skipping = -1;
+                        skipping = -1; stop_parser();
                     }
                 }else{
                     int pt_s = pt_stack.size();
                     if(pt_s==1) {
                         if(is_qelement(n,NSURI_XRD "\tCanonicalID")) {
                             assert(xrd);
@@ -307,20 +312,21 @@ namespace opkele {
                     xrd_service = 0;
                 }else if(is_qelement(n,NSURI_XRD "\tStatus")) {
                     assert(xrd);
                     if(is_qelement(pt_stack.back().c_str(),n)) {
                         assert(cdata==&status_string);
                         pt_stack.pop_back();
-                        if(status_code!=100)
-                            skipping = -1;
+                        if(status_code!=100) {
+                            skipping = -1; stop_parser();
+                        }
                     }
                 }else if(is_qelement(n,NSURI_XRD "\tExpires")) {
                     assert(xrd);
                     xrd->expires = util::w3c_to_time(cdata_buf);
                 }else if((xmode&xmode_html) && is_element(n,"head")) {
-                    skipping = -1;
+                    skipping = -1; stop_parser();
                 }
                 cdata = 0;
             }
             void character_data(const XML_Char *s,int l) {
                 if(skipping) return;
                 if(cdata) cdata->append(s,l);
@@ -371,13 +377,13 @@ namespace opkele {
                         else if(rel=="openid2.provider")
                             html_openid2.uris.add(-1,href);
                         else if(rel=="openid2.local_id")
                             html_openid2.local_ids.add(-1,href);
                     }
                 }else if(is_element(n,"body")) {
-                    skipping = -1;
+                    skipping = -1; stop_parser();
                 }
             }
 
     };
 
     void idiscover(idiscovery_t& result,const string& identity) {