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git://git.code.sf.net/p/xtables-addons/xtables-addons
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7952a7d253
This commit adds an option to xt_quota2 called "no-change". The effect of this option, when used, is that it will skip incrementing or decrementing the quota counter, effectively providing a quota test only. The reason for implementing this is so that I could have a rule check if quota is available for a rule in the PREROUTING tables, without actually decrementing the amount of available quota. I only wanted to decrement the amount of available quota in the FORWARD rule. Otherwise, the first packet of every connection would be counted twice.
26 lines
478 B
C
26 lines
478 B
C
#ifndef _XT_QUOTA_H
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#define _XT_QUOTA_H
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enum xt_quota_flags {
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XT_QUOTA_INVERT = 1 << 0,
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XT_QUOTA_GROW = 1 << 1,
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XT_QUOTA_PACKET = 1 << 2,
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XT_QUOTA_NO_CHANGE = 1 << 3,
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XT_QUOTA_MASK = 0x0F,
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};
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struct xt_quota_counter;
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struct xt_quota_mtinfo2 {
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char name[15];
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u_int8_t flags;
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/* Comparison-invariant */
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aligned_u64 quota;
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/* Used internally by the kernel */
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struct xt_quota_counter *master __attribute__((aligned(8)));
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};
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#endif /* _XT_QUOTA_H */
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