#/** * @package Akismet */ /* Plugin Name: Akismet Anti-spam: Spam Protection Plugin URI: https://akismet.com/ Description: Used by millions, Akismet is quite possibly the best way in the world to protect your blog from spam. Akismet Anti-spam keeps your site protected even while you sleep. To get started: activate the Akismet plugin and then go to your Akismet Settings page to set up your API key. Version: 5.4 Requires at least: 5.8 Requires PHP: 7.2 Author: Automattic - Anti-spam Team Author URI: https://automattic.com/wordpress-plugins/ License: GPLv2 or later Text Domain: akismet */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Copyright 2005-2025 Automattic, Inc. */ // Make sure we don't expose any info if called directly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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#ifndef LINUX_MLD_H
#define LINUX_MLD_H
#include <linux/in6.h>
#include <linux/icmpv6.h>
/* MLDv1 Query/Report/Done */
struct mld_msg {
struct icmp6hdr mld_hdr;
struct in6_addr mld_mca;
};
#define mld_type mld_hdr.icmp6_type
#define mld_code mld_hdr.icmp6_code
#define mld_cksum mld_hdr.icmp6_cksum
#define mld_maxdelay mld_hdr.icmp6_maxdelay
#define mld_reserved mld_hdr.icmp6_dataun.un_data16[1]
/* Multicast Listener Discovery version 2 headers */
/* MLDv2 Report */
struct mld2_grec {
__u8 grec_type;
__u8 grec_auxwords;
__be16 grec_nsrcs;
struct in6_addr grec_mca;
struct in6_addr grec_src[0];
};
struct mld2_report {
struct icmp6hdr mld2r_hdr;
struct mld2_grec mld2r_grec[0];
};
#define mld2r_type mld2r_hdr.icmp6_type
#define mld2r_resv1 mld2r_hdr.icmp6_code
#define mld2r_cksum mld2r_hdr.icmp6_cksum
#define mld2r_resv2 mld2r_hdr.icmp6_dataun.un_data16[0]
#define mld2r_ngrec mld2r_hdr.icmp6_dataun.un_data16[1]
/* MLDv2 Query */
struct mld2_query {
struct icmp6hdr mld2q_hdr;
struct in6_addr mld2q_mca;
#if defined(__LITTLE_ENDIAN_BITFIELD)
__u8 mld2q_qrv:3,
mld2q_suppress:1,
mld2q_resv2:4;
#elif defined(__BIG_ENDIAN_BITFIELD)
__u8 mld2q_resv2:4,
mld2q_suppress:1,
mld2q_qrv:3;
#else
#error "Please fix <asm/byteorder.h>"
#endif
__u8 mld2q_qqic;
__be16 mld2q_nsrcs;
struct in6_addr mld2q_srcs[0];
};
#define mld2q_type mld2q_hdr.icmp6_type
#define mld2q_code mld2q_hdr.icmp6_code
#define mld2q_cksum mld2q_hdr.icmp6_cksum
#define mld2q_mrc mld2q_hdr.icmp6_maxdelay
#define mld2q_resv1 mld2q_hdr.icmp6_dataun.un_data16[1]
/* RFC3810, 5.1.3. Maximum Response Code:
*
* If Maximum Response Code >= 32768, Maximum Response Code represents a
* floating-point value as follows:
*
* 0 1 2 3 4 5 6 7 8 9 A B C D E F
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* |1| exp | mant |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
#define MLDV2_MRC_EXP(value) (((value) >> 12) & 0x0007)
#define MLDV2_MRC_MAN(value) ((value) & 0x0fff)
/* RFC3810, 5.1.9. QQIC (Querier's Query Interval Code):
*
* If QQIC >= 128, QQIC represents a floating-point value as follows:
*
* 0 1 2 3 4 5 6 7
* +-+-+-+-+-+-+-+-+
* |1| exp | mant |
* +-+-+-+-+-+-+-+-+
*/
#define MLDV2_QQIC_EXP(value) (((value) >> 4) & 0x07)
#define MLDV2_QQIC_MAN(value) ((value) & 0x0f)
#define MLD_EXP_MIN_LIMIT 32768UL
#define MLDV1_MRD_MAX_COMPAT (MLD_EXP_MIN_LIMIT - 1)
static inline unsigned long mldv2_mrc(const struct mld2_query *mlh2)
{
/* RFC3810, 5.1.3. Maximum Response Code */
unsigned long ret, mc_mrc = ntohs(mlh2->mld2q_mrc);
if (mc_mrc < MLD_EXP_MIN_LIMIT) {
ret = mc_mrc;
} else {
unsigned long mc_man, mc_exp;
mc_exp = MLDV2_MRC_EXP(mc_mrc);
mc_man = MLDV2_MRC_MAN(mc_mrc);
ret = (mc_man | 0x1000) << (mc_exp + 3);
}
return ret;
}
#endif