Adhere to Postel's Law.

That is, be liberal when parsing key/value parameters from remote.
Along with configure switch to disable it.

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/params.cc b/lib/params.cc
index b181811..ea86d3a 100644
--- a/lib/params.cc
+++ b/lib/params.cc
@@ -4,6 +4,8 @@
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
 
+#include "config.h"
+
 namespace opkele {
     using namespace std;
 
@@ -30,12 +32,26 @@ namespace opkele {
             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)));
             p = nl+1;
+#else /* POSTELS_LAW */
+            string::size_type lb = kv.find_first_of("\r\n",co+1);
+            if(lb==string::npos) {
+                insert(value_type(kv.substr(p,co-p),kv.substr(co+1)));
+                break;
+            }
+            if(lb>co)
+                insert(value_type(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 */
         }
     }