Changeset 11126 in ntrip for trunk/BNC/src/RTCM3/clock_and_orbit

Timestamp:

Oct 24, 2026, 11:14:36 PM (3 days ago)

Author:

stuerze

Message:

Some fixes from security point of view

File:

• trunk/BNC/src/RTCM3/clock_and_orbit/clock_orbit_rtcm_new.cpp (modified) (2 diffs)

trunk/BNC/src/RTCM3/clock_and_orbit/clock_orbit_rtcm_new.cpp

@@ -472 +472 @@
       for (i = 0; i < md->NumEntries; i++) {
         E_MODEL_CORRECTION_TYPE_INDICATOR(md->Entries[i].TypeIndicator)
-        E_ADDITIONAL_MODEL_PARAMETER_INDICATOR(md->Entries[i].ApplicationIndicator)
+        E_MODEL_CORRECTION_APPLICATION_INDICATOR(md->Entries[i].ApplicationIndicator)
         E_NON_DEFAULT_MODEL_CORRECTION_INDICATOR(md->Entries[i].nonDefaultIndicator)
         if (md->Entries[i].nonDefaultIndicator) {
@@ -489 +489 @@
         if (md->Entries[i].nonDefaultIndicator &&
             md->Entries[i].additionalParameterIndicator) {
-          E_ADDITIONAL_MODEL_PARAMETER_DATA(md->Entries[i].additionalParameterData, md->Entries[i].additionalParameterNumBits)       
+          /* up to 255 bits, only 32 stored (leading bits zero); in pieces of
+             16 bits, as ADDBITS cannot handle more than 30 bits */
+          unsigned int k = md->Entries[i].additionalParameterNumBits;
+          while (k) {
+            unsigned int n = (k > 16) ? 16 : k;
+            k -= n;
+            E_ADDITIONAL_MODEL_PARAMETER_DATA((k < 32) ? (md->Entries[i].additionalParameterData >> k) : 0, n)
+          }
       }
     }