ShellPkg/DP: Add more check for input parameters

New added checkers includes:
1. Too many invalid parameters
2. Too few parameter
3. Invalid number parameter for -n and -t flag
4. Conflict parameter of -A and -R.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c

@@ -775,6 +775,7 @@ RunDp (
   UINTN                     NameSize;
   SHELL_STATUS              ShellStatus;
   TIMER_INFO                TimerInfo;
+  UINT64                    Intermediate;
 
   StringPtr   = NULL;
   SummaryMode = FALSE;
@@ -799,6 +800,9 @@ RunDp (
   if (EFI_ERROR(Status)) {
     ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_INVALID_ARG), mDpHiiHandle);
     return SHELL_INVALID_PARAMETER;
+  } else if (ShellCommandLineGetCount(ParamPackage) > 1){
+    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_TOO_MANY), mDpHiiHandle);
+    return SHELL_INVALID_PARAMETER;
   }
 
   //
@@ -812,25 +816,81 @@ RunDp (
   mShowId     = ShellCommandLineGetFlag (ParamPackage, L"-i");
   CumulativeMode = ShellCommandLineGetFlag (ParamPackage, L"-c");
 
+  if (AllMode && RawMode) {
+    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_CONFLICT_ARG), mDpHiiHandle, L"-A", L"-R");
+    return SHELL_INVALID_PARAMETER;
+  }
+
   // Options with Values
-  CmdLineArg  = ShellCommandLineGetValue (ParamPackage, L"-n");
+  if (ShellCommandLineGetFlag (ParamPackage, L"-n")) {
-  if (CmdLineArg == NULL) {
+    CmdLineArg  = ShellCommandLineGetValue (ParamPackage, L"-n");
-    Number2Display = DEFAULT_DISPLAYCOUNT;
+    if (CmdLineArg == NULL) {
+      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_TOO_FEW), mDpHiiHandle);
+      return SHELL_INVALID_PARAMETER;
+    } else {
+      if (!(RawMode || AllMode)) {
+        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_NO_RAW_ALL), mDpHiiHandle);
+        return SHELL_INVALID_PARAMETER;
+      }
+      Status = ShellConvertStringToUint64(CmdLineArg, &Intermediate, FALSE, TRUE);
+      if (EFI_ERROR (Status)) {
+        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_INVALID_NUM_ARG), mDpHiiHandle, L"-n");
+        return SHELL_INVALID_PARAMETER;
+      } else {
+        Number2Display = (UINTN)Intermediate;
+        if (Number2Display == 0 || Number2Display > MAXIMUM_DISPLAYCOUNT) {
+          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_INVALID_RANGE), mDpHiiHandle, L"-n", 0, MAXIMUM_DISPLAYCOUNT);
+          return SHELL_INVALID_PARAMETER;
+        }
+      }
+    }
   } else {
-    Number2Display = StrDecimalToUintn(CmdLineArg);
+    Number2Display = DEFAULT_DISPLAYCOUNT;
-    if (Number2Display == 0) {
+  }
-      Number2Display = MAXIMUM_DISPLAYCOUNT;
+
+  if (ShellCommandLineGetFlag (ParamPackage, L"-t")) {
+    CmdLineArg  = ShellCommandLineGetValue (ParamPackage, L"-t");
+    if (CmdLineArg == NULL) {
+      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_TOO_FEW), mDpHiiHandle);
+      return SHELL_INVALID_PARAMETER;
+    } else {
+      Status = ShellConvertStringToUint64(CmdLineArg, &Intermediate, FALSE, TRUE);
+      if (EFI_ERROR (Status)) {
+        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_INVALID_NUM_ARG), mDpHiiHandle, L"-t");
+        return SHELL_INVALID_PARAMETER;
+      } else {
+        mInterestThreshold = Intermediate;
+      }
+    }
+  } else {
+    mInterestThreshold = DEFAULT_THRESHOLD;  // 1ms := 1,000 us
+  }
+
+  if (ShellCommandLineGetFlag (ParamPackage, L"-c")) {
+    CustomCumulativeToken = ShellCommandLineGetValue (ParamPackage, L"-c");
+    if (CustomCumulativeToken == NULL) {
+      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_TOO_FEW), mDpHiiHandle);
+      return SHELL_INVALID_PARAMETER;
+    } else {
+      CustomCumulativeData = AllocateZeroPool (sizeof (PERF_CUM_DATA));
+      if (CustomCumulativeData == NULL) {
+        ShellStatus = SHELL_OUT_OF_RESOURCES;
+        goto Done;
+      }
+      CustomCumulativeData->MinDur = PERF_MAXDUR;
+      CustomCumulativeData->MaxDur = 0;
+      CustomCumulativeData->Count  = 0;
+      CustomCumulativeData->Duration = 0;
+      NameSize = StrLen (CustomCumulativeToken) + 1;
+      CustomCumulativeData->Name   = AllocateZeroPool (NameSize);
+      if (CustomCumulativeData->Name == NULL) {
+        ShellStatus = SHELL_OUT_OF_RESOURCES;
+        goto Done;
+      }
+      UnicodeStrToAsciiStrS (CustomCumulativeToken, CustomCumulativeData->Name, NameSize);
     }
   }
 
-  CmdLineArg  = ShellCommandLineGetValue (ParamPackage, L"-t");
-  if (CmdLineArg == NULL) {
-    mInterestThreshold = DEFAULT_THRESHOLD;  // 1ms := 1,000 us
-  } else {
-    mInterestThreshold = StrDecimalToUint64(CmdLineArg);
-  }
-
-
   //
   // DP dump performance data by parsing FPDT table in ACPI table.
   // Folloing 3 steps are to get the measurement form the FPDT table.
@@ -873,29 +933,6 @@ RunDp (
   //
   InitSummaryData ();
 
-  //
-  // Init the custom cumulative data.
-  //
-  CustomCumulativeToken = ShellCommandLineGetValue (ParamPackage, L"-c");
-  if (CustomCumulativeToken != NULL) {
-    CustomCumulativeData = AllocateZeroPool (sizeof (PERF_CUM_DATA));
-    if (CustomCumulativeData == NULL) {
-      ShellStatus = SHELL_OUT_OF_RESOURCES;
-      goto Done;
-    }
-    CustomCumulativeData->MinDur = PERF_MAXDUR;
-    CustomCumulativeData->MaxDur = 0;
-    CustomCumulativeData->Count  = 0;
-    CustomCumulativeData->Duration = 0;
-    NameSize = StrLen (CustomCumulativeToken) + 1;
-    CustomCumulativeData->Name   = AllocateZeroPool (NameSize);
-    if (CustomCumulativeData->Name == NULL) {
-      ShellStatus = SHELL_OUT_OF_RESOURCES;
-      goto Done;
-    }
-    UnicodeStrToAsciiStrS (CustomCumulativeToken, CustomCumulativeData->Name, NameSize);
-  }
-
   //
   // Timer specific processing
   //

ShellPkg/DynamicCommand/DpDynamicCommand/Dp.uni

@@ -33,6 +33,12 @@
 #string STR_DP_DASHES                  #language en-US  "-------------------------------------------------------------------------------\n"
 #string STR_DP_SECTION_HEADER          #language en-US  "\n==[ %s ]========\n"
 #string STR_DP_INVALID_ARG             #language en-US  "Invalid argument(s)\n"
+#string STR_DP_TOO_MANY                #language en-US  "Too many arguments\n"
+#string STR_DP_TOO_FEW                 #language en-US  "Too few arguments\n"
+#string STR_DP_INVALID_NUM_ARG         #language en-US  "Invalid argument(s), the value of %H%s%N must be numbers\n"
+#string STR_DP_INVALID_RANGE           #language en-US  "Invalid argument(s), the value of %H%s%N must be between %H%d%N and %H%d%N\n"
+#string STR_DP_CONFLICT_ARG            #language en-US  "Invalid argument(s), %H%s%N can not be used together with %H%s%N\n"
+#string STR_DP_NO_RAW_ALL              #language en-US  "Invalid argument(s), -n flag must use with -A or -R\n"
 #string STR_DP_HANDLES_ERROR           #language en-US  "Locate all handles error - %r\n"
 #string STR_DP_ERROR_NAME              #language en-US  "Unknown driver name"
 #string STR_PERF_PROPERTY_NOT_FOUND    #language en-US  "Performance property not found\n"