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iptables(exe) requires libext.a, but extensions/ require libxtables.la
(in iptables/). This circular dependency does not work out, so
separate libxtables into its own directory and put it in front.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Parsing for libxt_conntrack rev 2 is done by using rev 2's option
structure, which specifies XTTYPE_PORT, and using rev 3's parser
skeleton, which uses cb->nvals. Reading cb->nvals when not using
XTTYPE_PORTRC (or any other multi-value type) is undefined behavior.
Make it defined. Since XTTYPE_NONE is the only type that can take
void, nvals logically ought to be 1.
References: http://marc.info/?l=netfilter-devel&m=131370592105298&w=2
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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When XTOPT_POINTER is used (and yields a non-zero offsetof), we can
flag the absence of XTOPT_PUT.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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ethermac[i] > UINT8_MAX is quite pointless, because ethermac[i] is
just uint8_t. To catch values that are not in the range "00"-"ff", use
a string length check (end-arg>2). I am willingly using 2 there,
because no one is going to specify an Ethernet LL address as
"0x00:0x24:0xbe:0xc2:0x7f:0x16" -- because it is always interpreted as
hexadecimal anyway even without the 0x prefix.
xtoptions.c: In function "xtopt_parse_ethermac":
xtoptions.c:760:3: warning: comparison is always false due to limited range of data type
xtoptions.c:766:2: warning: comparison is always false due to limited range of data type
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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(Unclutter top-level dir)
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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