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ares_parse: handle ADMD-less Authentication-Results headers #192

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ares_parse: handle ADMD-less Authentication-Results headers #192

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17 changes: 17 additions & 0 deletions openarc/openarc-ar.c
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Original file line number Diff line number Diff line change
Expand Up @@ -470,6 +470,23 @@ ares_parse(u_char *hdr, struct authres *ar)
prevstate = state;
state = 2;
}
else if (tokens[c][0] == '=' && tokens[c][1] == '\0')
{
/*
* ADMD-less header (e.g. Office 365 internal
* headers that escape outbound): the token we
* read as authserv-id is actually the first
* method name. Leave ares_host empty and
* continue parsing from the result value.
*/
n = 1;
ar->ares_result[0].result_method =
ares_convert(methods,
(char *) ar->ares_host);
memset(ar->ares_host, '\0', sizeof ar->ares_host);
prevstate = state;
state = 5;
}
else
{
return -1;
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