mirror of
https://github.com/vanhoefm/fragattacks.git
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54a800dd51
While the kernel seems to have accepted the message to set linkmode and operstate without the final attribute getting padded to 32-bit length, it is better to get this cleaned up to match expected format. The double NLMSG_ALIGN() followed by RTA_LENGTH() did not make much sense here. Signed-off-by: Jouni Malinen <j@w1.fi>
110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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* wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions.
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* Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef PRIV_NETLINK_H
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#define PRIV_NETLINK_H
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/*
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* This should be replaced with user space header once one is available with C
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* library, etc..
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*/
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#ifndef IFF_LOWER_UP
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#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
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#endif
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#ifndef IFF_DORMANT
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#define IFF_DORMANT 0x20000 /* driver signals dormant */
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#endif
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#ifndef IFLA_IFNAME
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#define IFLA_IFNAME 3
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#endif
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#ifndef IFLA_WIRELESS
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#define IFLA_WIRELESS 11
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#endif
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#ifndef IFLA_OPERSTATE
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#define IFLA_OPERSTATE 16
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#endif
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#ifndef IFLA_LINKMODE
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#define IFLA_LINKMODE 17
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#define IF_OPER_DORMANT 5
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#define IF_OPER_UP 6
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#endif
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#define NLM_F_REQUEST 1
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#define NETLINK_ROUTE 0
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#define RTMGRP_LINK 1
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#define RTM_BASE 0x10
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#define RTM_NEWLINK (RTM_BASE + 0)
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#define RTM_DELLINK (RTM_BASE + 1)
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#define RTM_SETLINK (RTM_BASE + 3)
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#define NLMSG_ALIGNTO 4
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#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
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#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
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#define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr)))
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#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
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#define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0)))
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#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
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(struct nlmsghdr *) \
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(((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
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#define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \
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(nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
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(int) (nlh)->nlmsg_len <= (len))
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#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
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#define RTA_ALIGNTO 4
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#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1))
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#define RTA_OK(rta,len) \
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((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \
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(rta)->rta_len <= (len))
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#define RTA_NEXT(rta,attrlen) \
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((attrlen) -= RTA_ALIGN((rta)->rta_len), \
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(struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len)))
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#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
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#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
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#define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0)))
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#define RTA_PAYLOAD(rta) ((int) ((rta)->rta_len) - RTA_LENGTH(0))
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struct sockaddr_nl
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{
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sa_family_t nl_family;
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unsigned short nl_pad;
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u32 nl_pid;
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u32 nl_groups;
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};
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struct nlmsghdr
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{
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u32 nlmsg_len;
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u16 nlmsg_type;
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u16 nlmsg_flags;
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u32 nlmsg_seq;
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u32 nlmsg_pid;
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};
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struct ifinfomsg
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{
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unsigned char ifi_family;
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unsigned char __ifi_pad;
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unsigned short ifi_type;
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int ifi_index;
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unsigned ifi_flags;
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unsigned ifi_change;
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};
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struct rtattr
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{
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unsigned short rta_len;
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unsigned short rta_type;
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};
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#endif /* PRIV_NETLINK_H */
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