Fix nasa#2436, Adds an empty string or null pointer check for pipe cr…

…eation
chillfig · Sep 30, 2023 · e78a7be · e78a7be
1 parent c1aa16a
commit e78a7be
Show file tree

Hide file tree

Showing 4 changed files with 19 additions and 1 deletion.
diff --git a/modules/cfe_testcase/src/sb_pipe_mang_test.c b/modules/cfe_testcase/src/sb_pipe_mang_test.c
@@ -47,6 +47,7 @@ void TestPipeCreate(void)
     UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, OS_QUEUE_MAX_DEPTH + 5, PipeName), CFE_SB_BAD_ARGUMENT);
     UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, 0, PipeName), CFE_SB_BAD_ARGUMENT);
     UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, PipeDepth, NULL), CFE_SB_PIPE_CR_ERR);
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, PipeDepth, ""), CFE_SB_BAD_ARGUMENT);
 }
 
 void TestPipeCreateMax(void)

diff --git a/modules/sb/fsw/src/cfe_sb_api.c b/modules/sb/fsw/src/cfe_sb_api.c
@@ -123,7 +123,7 @@ CFE_Status_t CFE_SB_CreatePipe(CFE_SB_PipeId_t *PipeIdPtr, uint16 Depth, const c
     CFE_ES_GetTaskID(&TskId);
 
     /* check input parameters */
-    if ((PipeIdPtr == NULL) || (Depth > OS_QUEUE_MAX_DEPTH) || (Depth == 0))
+    if ((PipeIdPtr == NULL) || (Depth > OS_QUEUE_MAX_DEPTH) || (Depth == 0) || (PipeName != NULL && PipeName[0] == '\0'))
     {
         PendingEventId = CFE_SB_CR_PIPE_BAD_ARG_EID;
         Status         = CFE_SB_BAD_ARGUMENT;

diff --git a/modules/sb/ut-coverage/sb_UT.c b/modules/sb/ut-coverage/sb_UT.c
@@ -1645,6 +1645,7 @@ void Test_CreatePipe_API(void)
     SB_UT_ADD_SUBTEST(Test_CreatePipe_InvalPipeDepth);
     SB_UT_ADD_SUBTEST(Test_CreatePipe_MaxPipes);
     SB_UT_ADD_SUBTEST(Test_CreatePipe_SamePipeName);
+    SB_UT_ADD_SUBTEST(Test_CreatePipe_EmptyPipeName);
 }
 
 /*
@@ -1798,6 +1799,21 @@ void Test_CreatePipe_SamePipeName(void)
     CFE_UtAssert_TEARDOWN(CFE_SB_DeletePipe(PipeId));
 }
 
+/*
+** Test create pipe response to empty pipe name
+*/
+void Test_CreatePipe_EmptyPipeName(void)
+{
+    CFE_SB_PipeId_t PipeId = SB_UT_PIPEID_0;
+    uint16          PipeDepth   = 1;
+    char            PipeName[]  = "";
+
+    /* Call to CFE_SB_CreatePipe with empty PipeName should fail */
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId, PipeDepth, PipeName), CFE_SB_BAD_ARGUMENT);
+
+    UtAssert_INT32_EQ(CFE_SB_Global.HKTlmMsg.Payload.CreatePipeErrorCounter, 1);
+}
+
 /*
 ** Function for calling SB delete pipe API test functions
 */

diff --git a/modules/sb/ut-coverage/sb_UT.h b/modules/sb/ut-coverage/sb_UT.h
@@ -1198,6 +1198,7 @@ void Test_CreatePipe_InvalPipeDepth(void);
 ******************************************************************************/
 void Test_CreatePipe_EmptyPipeName(void);
 
+
 /*****************************************************************************/
 /**
 ** \brief Test create pipe response to a pipe name longer than allowed