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* build: restore build order of modulesJan Engelhardt2011-09-191-1832/+0
| | | | | | | | 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>
* iptables: move kernel version find routing into libxtablesJan Engelhardt2011-09-031-0/+18
| | | | | | | | That way, the remaining unreferenced symbols that do appear in libipt_DNAT and libipt_SNAT as part of the new check can be resolved, and the ugly -rdynamic hack can finally be removed. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* xtoptions: simplify xtables_parse_interfaceRichard Weinberger2011-08-271-3/+1
| | | | | | | mask is already filled with zeros, there is no need to zero it again. References: http://marc.info/?l=netfilter-devel&m=131445196526269&w=2 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* build: workaround broken linux-headers on RHEL-5Jan Engelhardt2011-08-011-0/+2
| | | | | | | maigc.h was not invented yet, but they do not ship proc_fs.h either, duh. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: set clone's initial data to NULLJan Engelhardt2011-07-101-0/+1
| | | | | | | Avoid a crash in xs_init_match when a clone's m->udata points at the parent. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* option: remove last traces of intrapositional negationJan Engelhardt2011-07-101-29/+0
| | | | | | Intrapositional negation was deprecated in 1.4.3. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: ignore whitespace in the multiaddress argument parserJan Engelhardt2011-07-091-0/+4
| | | | | References: http://bugzilla.netfilter.org/show_bug.cgi?id=727 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: properly reject empty hostnamesJan Engelhardt2011-07-091-26/+20
| | | | | | | | | An empty hostname in the address list of an -s/-d argument, which may be the result of a typo, is interpreted as 0/0, which, when combined with -j ACCEPT, leads to an undesired opening of the firewall. References: http://bugzilla.netfilter.org/show_bug.cgi?id=727 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* build: attempt to fix building under Linux 2.4Jan Engelhardt2011-06-241-1/+6
| | | | | | | | | | | | | | | | iptables no longer compiles for Linux 2.4 because it uses linux/magic.h. This header and the PROC_SUPER_MAGIC macro are only for Linux 2.6. xtables.c:35:52: error: linux/magic.h: No such file or directory xtables.c: In function 'proc_file_exists': xtables.c:389: error: 'PROC_SUPER_MAGIC' undeclared (first use in this function) xtables.c:389: error: (Each undeclared identifier is reported only once for each function it appears in.) References: http://bugzilla.netfilter.org/show_bug.cgi?id=720 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables: Coverity: RESOURCE_LEAKJiri Popelka2011-06-221-0/+1
| | | | | | | | | | | | | | | xtables.c:320: alloc_fn: Calling allocation function "get_modprobe". xtables.c:294: alloc_fn: Storage is returned from allocation function "malloc". xtables.c:294: var_assign: Assigning: "ret" = "malloc(1024UL)". xtables.c:304: return_alloc: Returning allocated memory "ret". xtables.c:320: var_assign: Assigning: "buf" = storage returned from "get_modprobe()". xtables.c:323: var_assign: Assigning: "modprobe" = "buf". xtables.c:348: leaked_storage: Variable "buf" going out of scope leaks the storage it points to. xtables.c:348: leaked_storage: Returning without freeing "modprobe" leaks the storage that it points to. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables: Coverity: VARARGSJiri Popelka2011-06-221-3/+9
| | | | | | | | | xtables.c:931: va_init: Initializing va_list "args". xtables.c:938: missing_va_end: va_end was not called for "args". xtables.c:947: missing_va_end: va_end was not called for "args". xtables.c:961: missing_va_end: va_end was not called for "args". Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: move all iptables pieces into a separate directoryJan Engelhardt2011-06-071-0/+1832
(Unclutter top-level dir) Signed-off-by: Jan Engelhardt <jengelh@medozas.de>