Logging non ASCII strings with rlm_linelog (question + bug report)

[Chaigneau, Nicolas]

Hello,

I've tried to use rlm_linelog module to log attributes which contain UTF-8, but it doesn't work as I expected.
In the output, I've got lots of "\377" (0xFF in octal), which are actually octets part of multi-byte characters.

The problem is in function linelog_escape_func from rlm_linelog.c.
>From what I understand, this function works with ASCII strings (single-byte characters), but not with UTF-8.

Is this behaviour on purpose, or has logging of UTF-8 strings been overlooked ?





In any case, there is a bug at line 179 of rlm_linelog.c (in branch 3.0.x):

			snprintf(out, outlen,  "\\%03o", *in);

Should be something like:

			snprintf(out, outlen,  "\\%03o", (unsigned char)*in);


Otherwise we get, for example, "\377\377" instead of "\303\250".

I'll log the bug on the issue tracker.


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