| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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XTTYPE_HOSTMASK will require that what has now become haddr,
hmask/hlen are not overlays of another. Thus relax the structure and
always set all members of the {haddr, hmask, hlen} triplet now for all
types that touch any of the members.
Add some more comments and clean out ONEHOST.
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Commit v1.4.8-36-g32b8e61 added this end marker in a little too many
places: at non-getopt places. Fix that.
Also change the definition of XT_GETOPT_TABLEEND to reference a struct
getopt member by name so that this cannot happen again.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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The bonus of the POSIX socket API is that it is almost protocol-agnostic
and that there are ready-made functions to take over the gist of address
parsing and packing.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This consolidates the maps from libxt_devgroup and libxt_realm.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This passes the per-extension data block to the new x6_fcheck function
pointer, which can then do last alterations without using hacks
like global variables (think libxt_statistic).
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This patchset seeks to drastically reduce the code in the individual
extensions by centralizing their argument parsing (breakdown of
strings), validation, and in part, assignment.
As a secondary goal, this reduces the number of static storage duration
variables in flight.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Signed-off-by: Maciej Zenczykowski <maze@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This reverts commit e84f131b5f992577119bd3679241f69ec394e0a7.
Solution follows.
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This reverts commit 600f38db82548a683775fd89b6e136673e924097.
The commit breaks option parsing:
iptables v1.4.9: host/network `port' not found
Try `iptables -h' or 'iptables --help' for more information.
Signed-off-by: Patrick McHardy <kaber@trash.net>
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When using `-m mark --mark 2 -m connmark --mark 2`, the user currently
gets an error about the (libxt_mark) --mark option being used twice.
This is because libxt_connmark's option table does not override any
previous options. This patch changes this behavior, since the current
behavior does not allow connmark's option to be used at all, which is
illogical.
Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Try to inhibit copypasting old stuff.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Since iptables uses its own copies of the header files anyway where the
revision field is exposed, there is no reach to access name[] beyond its
size.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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In going to fix NF bug #611, "argv" is needed in
xtables_check_inverse to set "optarg" to the right spot in case of an
intrapositional negation.
References: http://bugzilla.netfilter.org/show_bug.cgi?id=611
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Changed the Makefile so that:
1. --enable-shared / --disable-shared control the linkage against
libdl (and thus the potential to use 3rd party extensions)
2. --enable-static / --disable-static controls whether shipped
extensions are built-in or provided as modules
iptables-static becomes redundant by this action; iptables-multi now
has the feature.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Mixing code compiled with and without -DNO_SHARED_LIBS is fine as
long as the structs have the same layout. This patch prevents a
potential (currently non-triggerable) "ip6tables: target (null)<123>
is missing a version" error.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Similar to the ones that are present in the kernel.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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libiptc already supports adding and deleting multiple rules with
different addresses, so it only needs to be wired up to the options.
# ip6tables -I INPUT -s 2001:db8::d,2001:db8::e -j DROP
References: http://marc.info/?l=netfilter-devel&m=123929790719202&w=2
Adjustments made: syntax, removal of unneeded variables, manpage
adjustment, soversion bump.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This fixes linking errors for 3rd-party C++ code.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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When the structure's layout changes, as it did between v1.4.1 and
v1.4.2, trying to compare the version string makes iptables segfault
while it tries to determine whether the module is compatible in the
first place.
By moving the member to a known offset in the struct and keeping it
there, objects (both iptables and 3rd party) compiled from this
commit onwards will avoid the segfault.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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