iptables branch, master, updated. v1.4.10-89-gd59b9db

[Patrick McHardy]

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- Log -----------------------------------------------------------------
commit d59b9db031abee37a9aa9776662dd15370faabf4
Author: Stefan Tomanek <stefan.tomanek at wertarbyte.de>
Date:   Tue Mar 8 22:42:51 2011 +0100

    iptables: add -C to check for existing rules
    
    It is often useful to check whether a specific rule is already present
    in a chain without actually modifying the iptables config.
    
    Services like fail2ban usually employ techniques like grepping through
    the output of "iptables -L" which is quite error prone.
    
    This patch adds a new operation -C to the iptables command which
    mostly works like -D; it can detect and indicate the existence of the
    specified rule by modifying the exit code. The new operation
    TC_CHECK_ENTRY uses the same code as the -D operation, whose functions
    got a dry-run parameter appended.
    
    Signed-off-by: Stefan Tomanek <stefan.tomanek at wertarbyte.de>
    Signed-off-by: Jan Engelhardt <jengelh at medozas.de>

commit 9cc4f24e72f87ca191c2e723e7cd293f6477481c
Author: Stefan Tomanek <stefan.tomanek at wertarbyte.de>
Date:   Mon Mar 7 18:30:27 2011 +0100

    ip(6)tables-multi: unify subcommand handling
    
    I found the subcommand handling and naming done by iptables-multi and
    ip6tables-multi very confusing and complicated; this patch
    reorganizes the subcommands in a single table, allowing both variants
    of them to be used (iptables/main) and also prints a list of the
    allowed commands if an unknown command is entered by the user.
    
    Signed-off-by: Jan Engelhardt <jengelh at medozas.de>

-----------------------------------------------------------------------

Summary of changes:
 include/libiptc/libip6tc.h |    6 ++++
 include/libiptc/libiptc.h  |    6 ++++
 ip6tables-multi.c          |   46 +++++++++-------------------------
 ip6tables.8.in             |   10 ++++++-
 ip6tables.c                |   60 +++++++++++++++++++++++++++++++++++++++----
 iptables-multi.c           |   52 ++++++++++---------------------------
 iptables.8.in              |    9 ++++++-
 iptables.c                 |   60 +++++++++++++++++++++++++++++++++++++++----
 libiptc/libip4tc.c         |    1 +
 libiptc/libip6tc.c         |    1 +
 libiptc/libiptc.c          |   30 +++++++++++++++++----
 xshared.c                  |   36 ++++++++++++++++++++++++++
 xshared.h                  |   11 ++++++++
 13 files changed, 235 insertions(+), 93 deletions(-)


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