Section: String and data retrieving fun (3stap)
Updated: November 2021
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function::user_buffer_quoted - Retrieves and quotes buffer from user space
the user space address to retrieve the buffer from
the exact length of the buffer to read
the maximum length of the output string
Reads inlen characters of a buffer from the given user space memory address, and returns up to outlen characters, where any ASCII characters that are not printable are replaced by the corresponding escape sequence in the returned string. Note that the string will be surrounded by double quotes. On the rare cases when user space data is not accessible at the given address, the address itself is returned as a string, without double quotes.
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Time: 20:13:30 GMT, November 19, 2021