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| Code Block | ||
|---|---|---|
| ||
char myFilename[1000];
char const elimNewln[] = "\n";
char const badChars[] = "-\n\r ,;'\\<\"";
do {
fgets(myFilename, sizeof(myFilename)-1, stdin);
myFilename[sizeof(myFilename)-1] ='\0';
myFilename[strcspn(myFilename, elimNewln)]='\0';
} while ( (strcspn(myFilename, badChars))
< (strlen(myFilename)));
|
Similarly, you must provide validate all file names originating from untrusted sources to ensure they contain only safe characters.
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