sblim-commit Mailing List for Standards Based Linux Instrumentation (Page 37)

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- Log -----------------------------------------------------------------
commit e6da1a4d2c6d8983f804ac7fa5ed0e00dd37761c
Author: nsharoff <nsharoff@nsharoff.(none)>
Date:   Tue Apr 3 14:25:32 2012 -0700

    patches for [ 3495060, 3471814 ]

-----------------------------------------------------------------------

Summary of changes:

diff --git a/ChangeLog b/ChangeLog
index 373deb1..38c6914 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2012-04-03  Narasimha Sharoff  <nsh...@us...>
+
+	* indCIMXMLHandler.c, interopProvider.c:
+	[ 3495060 ] verify filter and handler information during subscription
+
+	* objectImpl.c:
+	[ 3471814 ] segfault in objectImpl.c:131,ClObjectGetClString
+        (Patch by Chris Buccella and Narasimha Sharoff)
+
 2012-04-03 Michael Chase-Salerno <br...@li...>
 
 	* interopProvider.c:
diff --git a/indCIMXMLHandler.c b/indCIMXMLHandler.c
index c618ca9..33b593b 100644
--- a/indCIMXMLHandler.c
+++ b/indCIMXMLHandler.c
@@ -1028,6 +1028,10 @@ IndCIMXMLHandlerInvokeMethod(CMPIMethodMI * mi,
       CMPIData handler=CMGetProperty(sub, "Handler", &st);
       CMPIObjectPath *hop=handler.value.ref;
       CMPIInstance *hdlr=CBGetInstance(_broker, ctxLocal, hop, NULL, &st);
+      if (hdlr == NULL) {
+         mlogf(M_ERROR,M_SHOW,"Deliver indication failed, hdlr is null. rc:%d\n",st.rc);
+         _SFCB_RETURN(st);
+      }
 
       // Build the complete sequence context
       // Get the stub from the handler
diff --git a/interopProvider.c b/interopProvider.c
index e066599..0639f9b 100644
--- a/interopProvider.c
+++ b/interopProvider.c
@@ -882,6 +882,39 @@ filterInternalProps(CMPIInstance* ci)
   return;
 }
 
+/* feature #3495060 :76814 : Verify the filter and handler information */
+CMPIStatus
+verify_subscription(const CMPIContext * ctx,
+        const CMPIObjectPath *cop, 
+        const CMPIInstance *ci)
+{ 
+      CMPIContext *ctxlocal = NULL;
+      CMPIStatus st = { CMPI_RC_OK, NULL };
+
+      CMPIData sub_filter = CMGetProperty(ci, "Filter", &st);
+      CMPIObjectPath *sub_filter_op = sub_filter.value.ref;
+      ctxlocal = prepareUpcall((CMPIContext *)ctx);
+      CMPIInstance *sub_filter_inst = CBGetInstance(_broker, ctxlocal,
+                    sub_filter_op, NULL, &st);
+      if (sub_filter_inst == NULL) {
+         setStatus(&st,st.rc,"Invalid Subscription Filter");
+         CMRelease(ctxlocal);
+         return st;
+      }
+
+      CMPIData sub_handler = CMGetProperty(ci, "Handler", &st);
+      CMPIObjectPath *sub_handler_op = sub_handler.value.ref;
+      CMPIInstance *sub_handler_inst = CBGetInstance(_broker, ctxlocal,
+                    sub_handler_op, NULL, &st);
+      if (sub_handler_inst == NULL) {
+         setStatus(&st,st.rc,"Invalid Subscription Handler");
+         CMRelease(ctxlocal);
+         return st;
+      }
+
+      CMRelease(ctxlocal);
+      return st;
+}
 
 /*
  * --------------------------------------------------------------------------
@@ -1042,6 +1075,9 @@ InteropProviderCreateInstance(CMPIInstanceMI * mi,
   if (isa(nss, cns, "cim_indicationsubscription")) {
     _SFCB_TRACE(1, ("--- create cim_indicationsubscription"));
 
+    st = verify_subscription(ctx, cop, ci); /* 3495060 */
+    if (st.rc != CMPI_RC_OK) _SFCB_RETURN(st);
+
     st = processSubscription(_broker, ctx, ciLocal, copLocal);
   } else if (isa(nss, cns, "cim_indicationfilter")) {
 
diff --git a/objectImpl.c b/objectImpl.c
index a668b50..a3ab0d1 100644
--- a/objectImpl.c
+++ b/objectImpl.c
@@ -544,6 +544,63 @@ replaceClStringN(ClObjectHdr * hdr, int id, const char *str, unsigned int length
   _SFCB_EXIT();
 }
 
+/* Removes an object from the string buffer. The CMPIData pointing to that 
+   object remains intact. A call to this function MUST be followed by a
+   call to addClObject(), else one of the CMPIData entries will be invalid.
+
+   id - the number of the entry to be removed   
+ */
+static void
+removeClObject(ClObjectHdr * hdr, int id)
+{
+   _SFCB_ENTER(TRACE_OBJECTIMPL, "removeClObject");
+   //   fprintf(stderr, "replaceClString: %p replacing entry for we're skipping %d\n", hdr, (id-1));
+   char *ts, *fs, *tmpstr = NULL;
+   long i, l, u;
+   ClStrBuf *fb;
+
+   fb = getStrBufPtr(hdr);   
+   ts = (char *) malloc(fb->bUsed); /* tmp string buffer */
+   fs = &fb->buf[0];
+
+   for (u = i = 0; i < fb->iUsed; i++) {
+      if (i != id - 1) {    /* loop through and copy over all _other_ properties */
+        //      fprintf(stderr, "replace: keeping %ld\n", i);
+         char *f = fs + fb->indexPtr[i];
+         l = fb->indexPtr[i+1] - fb->indexPtr[i];
+
+         /* Bugzilla 74159 - Align the string buffer & null terminate */
+         /*if (l % sizeof(long) != 0) {
+           l = ALIGN((fb->indexPtr[i+1] - fb->indexPtr[i]), CLALIGN);
+           tmpstr = calloc(1,l);
+           if (tmpstr == NULL) {
+             _SFCB_TRACE(1, ("objectImpl:replaceClString: calloc failed for tmpstr"));
+           }
+           memcpy(tmpstr, f, l);
+         } */
+
+         fb->indexPtr[i] = u;
+
+         /*if (tmpstr != NULL) {
+           memcpy(ts + u, tmpstr, l);
+           free(tmpstr); 
+           tmpstr = NULL;
+         }
+         else */
+           memcpy(ts + u, f, l);
+
+         u += l;
+      }
+   }
+   memcpy(fs, ts, u);
+   fb->bUsed = u;
+   free(ts);
+
+   fb->iUsed--; /* fixup the item count, since we have one fewer elements */
+
+  _SFCB_EXIT();
+}
+
 // hack to get anything into a stringbuffer
 static void
 replaceClObject(ClObjectHdr * hdr, int id, const void *obj, int size)
@@ -1635,8 +1692,27 @@ addObjectPropertyH(ClObjectHdr * hdr, ClSection * prps,
         }
         free(blob);
       }
-    } else
-      (p + i - 1)->data = d;
+    } 
+    /* bugzilla 75997 - hdr->type is args */
+    else if (hdr->type == HDR_Args &&
+            od.type == CMPI_instance && (d.state & CMPI_nullValue) == 0) {
+       if (d.type != CMPI_instance) {
+          _SFCB_RETURN(CMPI_RC_ERR_TYPE_MISMATCH);
+       }
+       else {
+          (p + i - 1)->data = d;
+          int size = getInstanceSerializedSize(d.value.inst);
+          void * blob = malloc(size);
+          getSerializedInstance(d.value.inst, blob);
+          //fprintf(stderr, "od.value.inst = %ld\n", (long)od.value.inst);
+          if (od.value.inst) {
+             removeClObject(hdr, (long)od.value.inst);
+          }
+          (p + i - 1)->data.value.inst = (CMPIInstance *) addClObject(hdr, blob, size);
+          free(blob);
+         }
+    }
+    else(p + i - 1)->data = d;
 
     _SFCB_RETURN(i);
   }


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