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lib: make IPv6 prefix parser slightly more strict

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This makes it possible to have both "show babel route A.B.C.D/M"
and "show babel route X:X::X:X/M" commands at the same time without
the parser complaining about ambiguity.

* lib/command.c: only accept STATE_DOT after : was seen.

Reported-by: Juliusz Chroboczek <jch@pps.jussieu.fr>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2012-07-19 16:11:50 +02:00
parent ee1ac2d52a
commit aa5cf24b9d
1 changed files with 6 additions and 1 deletions
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7
lib/command.c
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@ -954,7 +954,12 @@ cmd_ipv6_prefix_match (const char *str)
if (*(str + 1) == ':') if (*(str + 1) == ':')
state = STATE_COLON; state = STATE_COLON;
else if (*(str + 1) == '.') else if (*(str + 1) == '.')
state = STATE_DOT; {
if (colons || double_colon)
state = STATE_DOT;
else
return no_match;
}
else if (*(str + 1) == '/') else if (*(str + 1) == '/')
state = STATE_SLASH; state = STATE_SLASH;
} }