diff options
| -rw-r--r-- | ShellPkg/Application/Shell/ShellParametersProtocol.c | 82 |
1 files changed, 70 insertions, 12 deletions
diff --git a/ShellPkg/Application/Shell/ShellParametersProtocol.c b/ShellPkg/Application/Shell/ShellParametersProtocol.c index 9e50225674..2d29ab1f2e 100644 --- a/ShellPkg/Application/Shell/ShellParametersProtocol.c +++ b/ShellPkg/Application/Shell/ShellParametersProtocol.c @@ -496,6 +496,46 @@ CalculateEfiHdrCrc ( }
/**
+ Fix a string to only have the file name, removing starting at the first space of whatever is quoted.
+
+ @param[in] FileName The filename to start with.
+
+ @retval NULL FileName was invalid.
+ @return The modified FileName.
+**/
+CHAR16*
+EFIAPI
+FixFileName (
+ IN CHAR16 *FileName
+ )
+{
+ CHAR16 *Copy;
+ CHAR16 *TempLocation;
+
+ if (FileName == NULL) {
+ return (NULL);
+ }
+
+ if (FileName[0] == L'\"') {
+ Copy = FileName+1;
+ if ((TempLocation = StrStr(Copy , L"\"")) != NULL) {
+ TempLocation[0] = CHAR_NULL;
+ }
+ } else {
+ Copy = FileName;
+ if ((TempLocation = StrStr(Copy , L" ")) != NULL) {
+ TempLocation[0] = CHAR_NULL;
+ }
+ }
+
+ if (Copy[0] == CHAR_NULL) {
+ return (NULL);
+ }
+
+ return (Copy);
+}
+
+/**
Funcion will replace the current StdIn and StdOut in the ShellParameters protocol
structure by parsing NewCommandLine. The current values are returned to the
user.
@@ -842,6 +882,11 @@ UpdateStdInStdOutStdErr( }
}
+ //
+ // re-populate the string to support any filenames that were in quotes.
+ //
+ StrCpy(CommandLineCopy, NewCommandLine);
+
if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)
&& ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))
){
@@ -849,23 +894,36 @@ UpdateStdInStdOutStdErr( }
if (!EFI_ERROR(Status)) {
- if (StdErrFileName != NULL && (CommandLineWalker = StrStr(StdErrFileName, L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+
+ if (StdErrFileName != NULL) {
+ if ((StdErrFileName = FixFileName(StdErrFileName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
- if (StdOutFileName != NULL && (CommandLineWalker = StrStr(StdOutFileName, L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+ if (StdOutFileName != NULL) {
+ if ((StdOutFileName = FixFileName(StdOutFileName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
- if (StdInFileName != NULL && (CommandLineWalker = StrStr(StdInFileName , L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+ if (StdInFileName != NULL) {
+ if ((StdInFileName = FixFileName(StdInFileName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
- if (StdErrVarName != NULL && (CommandLineWalker = StrStr(StdErrVarName , L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+ if (StdErrVarName != NULL) {
+ if ((StdErrVarName = FixFileName(StdErrVarName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
- if (StdOutVarName != NULL && (CommandLineWalker = StrStr(StdOutVarName , L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+ if (StdOutVarName != NULL) {
+ if ((StdOutVarName = FixFileName(StdOutVarName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
- if (StdInVarName != NULL && (CommandLineWalker = StrStr(StdInVarName , L" ")) != NULL) {
- CommandLineWalker[0] = CHAR_NULL;
+ if (StdInVarName != NULL) {
+ if ((StdInVarName = FixFileName(StdInVarName)) == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
}
//
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