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Moved guard

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This commit is contained in:
Kayne Ruse
2023-01-27 06:33:04 +00:00
parent fcefc4c5b0
commit 5251579e70
2 changed files with 17 additions and 17 deletions
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32
box/lib_runner.c
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@@ -40,22 +40,6 @@ static int nativeLoadScript(Toy_Interpreter* interpreter, Toy_LiteralArray* argu
char* filePath = Toy_toCString(TOY_AS_STRING(filePathLiteral));
int filePathLength = Toy_lengthRefString(TOY_AS_STRING(filePathLiteral));
//check for file extensions
if (!(filePath[filePathLength - 5] == '.' && filePath[filePathLength - 4] == 't' && filePath[filePathLength - 3] == 'o' && filePath[filePathLength - 2] == 'y')) {
interpreter->errorOutput("Bad script file extension (expected .toy)\n");
Toy_freeLiteral(filePathLiteral);
return -1;
}
//check for break-out attempts
for (int i = 0; i < filePathLength - 1; i++) {
if (filePath[i] == '.' && filePath[i + 1] == '.') {
interpreter->errorOutput("Parent directory access not allowed\n");
Toy_freeLiteral(filePathLiteral);
return -1;
}
}
//load and compile the bytecode
size_t fileSize = 0;
char* source = Toy_readFile(filePath, &fileSize);
@@ -634,6 +618,22 @@ Toy_Literal Toy_getFilePathLiteral(Toy_Interpreter* interpreter, Toy_Literal* dr
Toy_deleteRefString(path);
Toy_deleteRefString(drivePath);
//check for file extensions
if (!(filePath[realLength - 5] == '.' && filePath[realLength - 4] == 't' && filePath[realLength - 3] == 'o' && filePath[realLength - 2] == 'y')) {
interpreter->errorOutput("Bad script file extension (expected .toy)\n"); //TODO: add a bytecode version too
TOY_FREE_ARRAY(char, filePath, realLength + 1);
return TOY_TO_NULL_LITERAL;
}
//check for break-out attempts
for (int i = 0; i < realLength - 1; i++) {
if (filePath[i] == '.' && filePath[i + 1] == '.') {
interpreter->errorOutput("Parent directory access not allowed\n");
TOY_FREE_ARRAY(char, filePath, realLength + 1);
return TOY_TO_NULL_LITERAL;
}
}
Toy_Literal result = TOY_TO_STRING_LITERAL(Toy_createRefStringLength(filePath, realLength));
TOY_FREE_ARRAY(char, filePath, realLength + 1);