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cpp-libs
libnice
Commits
947a9d86
Commit
947a9d86
authored
Apr 01, 2014
by
Olivier Crête
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pseudotcp: Validate option lengths
parent
8eab0182
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-1
agent/pseudotcp.c
agent/pseudotcp.c
+9
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agent/pseudotcp.c
View file @
947a9d86
...
...
@@ -1782,6 +1782,9 @@ parse_options (PseudoTcpSocket *self, const guint8 *data, guint32 len)
guint8
kind
=
TCP_OPT_EOL
;
guint8
opt_len
;
if
(
len
<
pos
+
1
)
return
;
kind
=
data
[
pos
];
pos
++
;
...
...
@@ -1793,11 +1796,16 @@ parse_options (PseudoTcpSocket *self, const guint8 *data, guint32 len)
continue
;
}
if
(
len
<
pos
+
1
)
return
;
// Length of this option.
g_assert
(
len
);
opt_len
=
data
[
pos
];
pos
++
;
if
(
len
<
pos
+
opt_len
)
return
;
// Content of this option.
if
(
opt_len
<=
len
-
pos
)
{
apply_option
(
self
,
kind
,
data
+
pos
,
opt_len
);
...
...
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