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add longer check for xmpp preamble

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original wasn't catching the preamble from Adium or Pidgin XMPP clients, because of a newline after the initial <xml> line. Grew the length of the check string so it'd see the word 'jabber' faster.
This commit is contained in:
Justin Matlock 2015-03-06 02:58:52 -05:00
parent ce7c5b1ba2
commit bdeccfd9ff
1 changed files with 4 additions and 1 deletions
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probe.c
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@ -169,7 +169,10 @@ static int is_tinc_protocol( const char *p, int len, struct proto *proto)
* */ * */
static int is_xmpp_protocol( const char *p, int len, struct proto *proto) static int is_xmpp_protocol( const char *p, int len, struct proto *proto)
{ {
if (len < 6) /* sometimes the word 'jabber' shows up late in the initial string,
sometimes after a newline. this makes sure we snarf the entire preamble
and detect it. (fixed for adium/pidgin) */
if (len < 50)
return PROBE_AGAIN; return PROBE_AGAIN;
return memmem(p, len, "jabber", 6) ? 1 : 0; return memmem(p, len, "jabber", 6) ? 1 : 0;