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nl_debug.c
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nl_debug.c
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// gcc -Wall -Wextra -g -O0 -DMAIN -o nl_debug nl_debug.c && ./nl_debug
/*
Netlink debug functions
Copyright (C) Volodymyr Prodan 2021
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 3 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, see <http://www.gnu.org/licenses/>.
*/
//#define _GNU_SOURCE // avoid conflict of <net/if.h> with <linux/if.h>
//#define _POSIX_C_SOURCE 200809
#include "nl_debug.h" // WLAN_EID_SSID
#include <stdio.h> // stdout, printf()
#include <stdarg.h> // va_start(), ...
#include <unistd.h> // getpid(), close()
#include <string.h> // memset(), memcmp()
#include <fcntl.h> // F_GETFL
#include <ctype.h> // isprint()
#include <errno.h> // errno
#include <sys/socket.h> // struct sockaddr, PF_NETLINK
#include <netinet/in.h> // struct sockaddr_in{,6}, in{,6}_addr, INET{,6}_ADDRSTRLEN
#include <arpa/inet.h> // inet_ntop()
#include <netdb.h> // getnameinfo()
#include <net/if.h> // avoid conflict with <linux/if.h> included from <linux/wireless.h>
#include <linux/if.h> // IFF_UP, ...
#include <linux/wireless.h> // struct iw_event, SIOCGIWSCAN, ...
#include <linux/netlink.h> // NETLINK_ROUTE
#include <linux/rtnetlink.h> // RTM_GETADDR, IFA_ADDRESS, /usr/include/linux/if_addr.h
#ifdef MAIN
#define debugf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
#else
#include "wsdd.h" // LOG()
#define debugf(...) LOG(LOG_DEBUG, "nl_debug: " __VA_ARGS__)
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
#endif
static char outbuf[4096];
static int outlen = 0;
static void outf(const char *fmt, ... ) __attribute__((format(printf, 1, 2)));
void outf(const char *fmt, ...)
{
char mbuf[1024], *lf;
int mbuflen;
va_list list;
va_start(list, fmt);
mbuflen = vsnprintf(mbuf, sizeof(mbuf), fmt, list);
va_end(list);
strncat(outbuf + outlen, mbuf, mbuflen);
lf = strchr(outbuf + outlen, '\n');
outlen += mbuflen;
while (lf != NULL) {
*lf = '\0';
debugf("%s", outbuf);
strcpy(outbuf, lf + 1);
outlen -= lf - outbuf + 1;
lf = strchr(outbuf, '\n');
}
}
void dump(const void *p, size_t len, unsigned long start, const char *prefix)
{
const unsigned char *s = p;
for (size_t i = 0; i < len; i += 16) {
size_t j, blen = len - i > 16 ? 16 : len - i;
outf("%s[%08lx]", prefix, start + i);
for (j = 0; j < blen; j++) outf(" %02x", s[i+j]);
for (; j < 16; j++) outf(" ");
outf(" |");
for (j = 0; j < blen; j++) outf("%c", isprint(s[i+j]) ? s[i+j] : '.');
for (; j < 16; j++) outf(" ");
outf("|\n");
}
}
void dump_str(const void *p, size_t len)
{
const unsigned char *s = p;
outf("\"");
for (size_t i = 0; i < len; i++) {
if (isprint(s[i]) && s[i] != '"') outf("%c", s[i]);
else outf("\\x%02x", s[i]);
}
outf("\"");
}
void dump_hex(const void *p, size_t len)
{
const unsigned char *s = p;
for (size_t i = 0; i < len; i++) outf("%02x", s[i]);
}
static const char nlmsg_type_str[][16] = {
[NLMSG_NOOP] = "NOOP", /* Nothing */
[NLMSG_ERROR] = "ERROR", /* Error */
[NLMSG_DONE] = "DONE", /* End of a dump */
[NLMSG_OVERRUN] = "OVERRUN",/* Data lost */
[RTM_NEWLINK] = "NEWLINK",
[RTM_DELLINK] = "DELLINK",
[RTM_GETLINK] = "GETLINK",
[RTM_SETLINK] = "SETLINK",
[RTM_NEWADDR] = "NEWADDR",
[RTM_DELADDR] = "DELADDR",
[RTM_GETADDR] = "GETADDR",
[RTM_NEWROUTE] = "NEWROUTE",
[RTM_DELROUTE] = "DELROUTE",
[RTM_GETROUTE] = "GETROUTE",
[RTM_NEWNEIGH] = "NEWNEIGH",
[RTM_DELNEIGH] = "DELNEIGH",
[RTM_GETNEIGH] = "GETNEIGH",
[RTM_NEWRULE] = "NEWRULE",
[RTM_DELRULE] = "DELRULE",
[RTM_GETRULE] = "GETRULE",
[RTM_NEWQDISC] = "NEWQDISC",
[RTM_DELQDISC] = "DELQDISC",
[RTM_GETQDISC] = "GETQDISC",
[RTM_NEWTCLASS] = "NEWTCLASS",
[RTM_DELTCLASS] = "DELTCLASS",
[RTM_GETTCLASS] = "GETTCLASS",
[RTM_NEWTFILTER] = "NEWTFILTER",
[RTM_DELTFILTER] = "DELTFILTER",
[RTM_GETTFILTER] = "GETTFILTER",
[RTM_NEWACTION] = "NEWACTION",
[RTM_DELACTION] = "DELACTION",
[RTM_GETACTION] = "GETACTION",
[RTM_NEWPREFIX] = "NEWPREFIX",
[RTM_GETMULTICAST] = "GETMULTICAST",
[RTM_GETANYCAST] = "GETANYCAST",
[RTM_NEWNEIGHTBL] = "NEWNEIGHTBL",
[RTM_GETNEIGHTBL] = "GETNEIGHTBL",
[RTM_SETNEIGHTBL] = "SETNEIGHTBL",
[RTM_NEWNDUSEROPT] = "NEWNDUSEROPT",
[RTM_NEWADDRLABEL] = "NEWADDRLABEL",
[RTM_DELADDRLABEL] = "DELADDRLABEL",
[RTM_GETADDRLABEL] = "GETADDRLABEL",
[RTM_GETDCB] = "GETDCB",
[RTM_SETDCB] = "SETDCB",
[RTM_NEWNETCONF] = "NEWNETCONF",
[RTM_DELNETCONF] = "DELNETCONF",
[RTM_GETNETCONF] = "GETNETCONF",
[RTM_NEWMDB] = "NEWMDB",
[RTM_DELMDB] = "DELMDB",
[RTM_GETMDB] = "GETMDB",
[RTM_NEWNSID] = "NEWNSID",
[RTM_DELNSID] = "DELNSID",
[RTM_GETNSID] = "GETNSID",
[RTM_NEWSTATS] = "NEWSTATS",
[RTM_GETSTATS] = "GETSTATS",
[RTM_NEWCACHEREPORT] = "NEWCACHEREPORT",
[RTM_NEWCHAIN] = "NEWCHAIN",
[RTM_DELCHAIN] = "DELCHAIN",
[RTM_GETCHAIN] = "GETCHAIN",
[RTM_NEWNEXTHOP] = "NEWNEXTHOP",
[RTM_DELNEXTHOP] = "DELNEXTHOP",
[RTM_GETNEXTHOP] = "GETNEXTHOP",
[RTM_NEWLINKPROP] = "NEWLINKPROP",
[RTM_DELLINKPROP] = "DELLINKPROP",
[RTM_GETLINKPROP] = "GETLINKPROP",
[RTM_NEWNVLAN] = "NEWVLAN",
[RTM_DELVLAN] = "DELVLAN",
[RTM_GETVLAN] = "GETVLAN",
};
static const char ifla_rta_type_str[][32] = {
[IFLA_UNSPEC] = "UNSPEC",
[IFLA_ADDRESS] = "ADDRESS",
[IFLA_BROADCAST] = "BROADCAST",
[IFLA_IFNAME] = "IFNAME",
[IFLA_MTU] = "MTU",
[IFLA_LINK] = "LINK",
[IFLA_QDISC] = "QDISC",
[IFLA_STATS] = "STATS",
[IFLA_COST] = "COST",
[IFLA_PRIORITY] = "PRIORITY",
[IFLA_MASTER] = "MASTER",
[IFLA_WIRELESS] = "WIRELESS", /* Wireless Extension event - see wireless.h */
[IFLA_PROTINFO] = "PROTINFO", /* Protocol specific information for a link */
[IFLA_TXQLEN] = "TXQLEN",
[IFLA_MAP] = "MAP",
[IFLA_WEIGHT] = "WEIGHT",
[IFLA_OPERSTATE] = "OPERSTATE",
[IFLA_LINKMODE] = "LINKMODE",
[IFLA_LINKINFO] = "LINKINFO",
[IFLA_NET_NS_PID] = "NET_NS_PID",
[IFLA_IFALIAS] = "IFALIAS",
[IFLA_NUM_VF] = "NUM_VF", /* Number of VFs if device is SR-IOV PF */
[IFLA_VFINFO_LIST] = "VFINFO_LIST",
[IFLA_STATS64] = "STATS64",
[IFLA_VF_PORTS] = "VF_PORTS",
[IFLA_PORT_SELF] = "PORT_SELF",
[IFLA_AF_SPEC] = "AF_SPEC",
[IFLA_GROUP] = "GROUP", /* Group the device belongs to */
[IFLA_NET_NS_FD] = "NET_NS_FD",
[IFLA_EXT_MASK] = "EXT_MASK", /* Extended info mask, VFs, etc */
[IFLA_PROMISCUITY] = "PROMISCUITY", /* Promiscuity count: > 0 means acts PROMISC */
[IFLA_NUM_TX_QUEUES] = "NUM_TX_QUEUES",
[IFLA_NUM_RX_QUEUES] = "NUM_RX_QUEUES",
[IFLA_CARRIER] = "CARRIER",
[IFLA_PHYS_PORT_ID] = "PHYS_PORT_ID",
[IFLA_CARRIER_CHANGES] = "CARRIER_CHANGES",
[IFLA_PHYS_SWITCH_ID] = "PHYS_SWITCH_ID",
[IFLA_LINK_NETNSID] = "LINK_NETNSID",
[IFLA_PHYS_PORT_NAME] = "PHYS_PORT_NAME",
[IFLA_PROTO_DOWN] = "PROTO_DOWN",
[IFLA_GSO_MAX_SEGS] = "GSO_MAX_SEGS",
[IFLA_GSO_MAX_SIZE] = "GSO_MAX_SIZE",
[IFLA_PAD] = "PAD",
[IFLA_XDP] = "XDP",
[IFLA_EVENT] = "EVENT",
[IFLA_NEW_NETNSID] = "NEW_NETNSID",
[IFLA_TARGET_NETNSID] = "TARGET_NETNSID",
[IFLA_CARRIER_UP_COUNT] = "CARRIER_UP_COUNT",
[IFLA_CARRIER_DOWN_COUNT]= "CARRIER_DOWN_COUNT",
[IFLA_NEW_IFINDEX] = "NEW_IFINDEX",
[IFLA_MIN_MTU] = "MIN_MTU",
[IFLA_MAX_MTU] = "MAX_MTU",
[IFLA_PROP_LIST] = "PROP_LIST",
[IFLA_ALT_IFNAME] = "ALT_IFNAME", /* Alternative ifname */
[IFLA_PERM_ADDRESS] = "PERM_ADDRESS",
[IFLA_PROTO_DOWN_REASON] = "PROTO_DOWN_REASON",
};
static const char ifa_rta_type_str[][16] = {
[IFA_UNSPEC] = "UNSPEC",
[IFA_ADDRESS] = "ADDRESS",
[IFA_LOCAL] = "LOCAL",
[IFA_LABEL] = "LABEL",
[IFA_BROADCAST] = "BROADCAST",
[IFA_ANYCAST] = "ANYCAST",
[IFA_CACHEINFO] = "CACHEINFO",
[IFA_MULTICAST] = "MULTICAST",
[IFA_FLAGS] = "FLAGS",
[IFA_RT_PRIORITY] = "RT_PRIORITY", /* u32, priority/metric for prefix route */
[IFA_TARGET_NETNSID] = "TARGET_NETNSID",
};
static const char rtmsg_type_str[][16] = {
[RTN_UNSPEC] = "UNSPEC",
[RTN_UNICAST] = "UNICAST", /* Gateway or direct route */
[RTN_LOCAL] = "LOCAL", /* Accept locally */
[RTN_BROADCAST] = "BROADCAST", /* Accept locally as broadcast, send as broadcast */
[RTN_ANYCAST] = "ANYCAST", /* Accept locally as broadcast, but send as unicast */
[RTN_MULTICAST] = "MULTICAST", /* Multicast route */
[RTN_BLACKHOLE] = "BLACKHOLE", /* Drop */
[RTN_UNREACHABLE] = "UNREACHABLE", /* Destination is unreachable */
[RTN_PROHIBIT] = "PROHIBIT", /* Administratively prohibited */
[RTN_THROW] = "THROW", /* Not in this table */
[RTN_NAT] = "NAT", /* Translate this address */
[RTN_XRESOLVE] = "XRESOLVE", /* Use external resolver */
};
static const char rtattr_type_str[][16] = {
[RTA_UNSPEC] = "UNSPEC",
[RTA_DST] = "DST",
[RTA_SRC] = "SRC",
[RTA_IIF] = "IIF",
[RTA_OIF] = "OIF",
[RTA_GATEWAY] = "GATEWAY",
[RTA_PRIORITY] = "PRIORITY",
[RTA_PREFSRC] = "PREFSRC",
[RTA_METRICS] = "METRICS",
[RTA_MULTIPATH] = "MULTIPATH",
[RTA_PROTOINFO] = "PROTOINFO", /* no longer used */
[RTA_FLOW] = "FLOW",
[RTA_CACHEINFO] = "CACHEINFO",
[RTA_SESSION] = "SESSION", /* no longer used */
[RTA_MP_ALGO] = "MP_ALGO", /* no longer used */
[RTA_TABLE] = "TABLE",
[RTA_MARK] = "MARK",
[RTA_MFC_STATS] = "MFC_STATS",
[RTA_VIA] = "VIA",
[RTA_NEWDST] = "NEWDST",
[RTA_PREF] = "PREF",
[RTA_ENCAP_TYPE] = "ENCAP_TYPE",
[RTA_ENCAP] = "ENCAP",
[RTA_EXPIRES] = "EXPIRES",
[RTA_PAD] = "PAD",
[RTA_UID] = "UID",
[RTA_TTL_PROPAGATE] = "TTL_PROPAGATE",
[RTA_IP_PROTO] = "IP_PROTO",
[RTA_SPORT] = "SPORT",
[RTA_DPORT] = "DPORT",
[RTA_NH_ID] = "NH_ID",
};
static struct {
int flag;
const char *name;
} ifa_flags_descr[] = {
{ IFA_F_SECONDARY, "SECONDARY" },
{ IFA_F_NODAD, "NODAD" },
{ IFA_F_OPTIMISTIC, "OPTIMISTIC" },
{ IFA_F_DADFAILED, "DADFAILED" },
{ IFA_F_HOMEADDRESS, "HOMEADDRESS" },
{ IFA_F_DEPRECATED, "DEPRECATED" },
{ IFA_F_TENTATIVE, "TENTATIVE" },
{ IFA_F_PERMANENT, "PERMANENT" },
{ IFA_F_MANAGETEMPADDR, "MANAGETEMPADDR" },
{ IFA_F_NOPREFIXROUTE, "NOPREFIXROUTE" },
{ IFA_F_MCAUTOJOIN, "MCAUTOJOIN" },
{ IFA_F_STABLE_PRIVACY, "STABLE_PRIVACY" },
{ 0, "" },
};
static const char iw_event_cmd_str[][40] = {
[SIOCSIWCOMMIT-SIOCIWFIRST] = "SIOCSIWCOMMIT", /* Commit pending changes to driver */
[SIOCGIWNAME-SIOCIWFIRST] = "SIOCGIWNAME", /* get name == wireless protocol */
/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
* Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
* Don't put the name of your driver there, it's useless. */
/* Basic operations */
[SIOCSIWNWID-SIOCIWFIRST] = "SIOCSIWNWID", /* set network id (pre-802.11) */
[SIOCGIWNWID-SIOCIWFIRST] = "SIOCGIWNWID", /* get network id (the cell) */
[SIOCSIWFREQ-SIOCIWFIRST] = "SIOCSIWFREQ", /* set channel/frequency (Hz) */
[SIOCGIWFREQ-SIOCIWFIRST] = "SIOCGIWFREQ", /* get channel/frequency (Hz) */
[SIOCSIWMODE-SIOCIWFIRST] = "SIOCSIWMODE", /* set operation mode */
[SIOCGIWMODE-SIOCIWFIRST] = "SIOCGIWMODE", /* get operation mode */
[SIOCSIWSENS-SIOCIWFIRST] = "SIOCSIWSENS", /* set sensitivity (dBm) */
[SIOCGIWSENS-SIOCIWFIRST] = "SIOCGIWSENS", /* get sensitivity (dBm) */
/* Informative stuff */
[SIOCSIWRANGE-SIOCIWFIRST] = "SIOCSIWRANGE", /* Unused */
[SIOCGIWRANGE-SIOCIWFIRST] = "SIOCGIWRANGE", /* Get range of parameters */
[SIOCSIWPRIV-SIOCIWFIRST] = "SIOCSIWPRIV", /* Unused */
[SIOCGIWPRIV-SIOCIWFIRST] = "SIOCGIWPRIV", /* get private ioctl interface info */
[SIOCSIWSTATS-SIOCIWFIRST] = "SIOCSIWSTATS", /* Unused */
[SIOCGIWSTATS-SIOCIWFIRST] = "SIOCGIWSTATS", /* Get /proc/net/wireless stats */
/* SIOCGIWSTATS is strictly used between user space and the kernel, and
* is never passed to the driver (i.e. the driver will never see it). */
/* Spy support (statistics per MAC address - used for Mobile IP support) */
[SIOCSIWSPY-SIOCIWFIRST] = "SIOCSIWSPY", /* set spy addresses */
[SIOCGIWSPY-SIOCIWFIRST] = "SIOCGIWSPY", /* get spy info (quality of link) */
[SIOCSIWTHRSPY-SIOCIWFIRST] = "SIOCSIWTHRSPY", /* set spy threshold (spy event) */
[SIOCGIWTHRSPY-SIOCIWFIRST] = "SIOCGIWTHRSPY", /* get spy threshold */
/* Access Point manipulation */
[SIOCSIWAP-SIOCIWFIRST] = "SIOCSIWAP", /* set access point MAC addresses */
[SIOCGIWAP-SIOCIWFIRST] = "SIOCGIWAP", /* get access point MAC addresses */
[SIOCGIWAPLIST-SIOCIWFIRST] = "SIOCGIWAPLIST", /* Deprecated in favor of scanning */
[SIOCSIWSCAN-SIOCIWFIRST] = "SIOCSIWSCAN", /* trigger scanning (list cells) */
[SIOCGIWSCAN-SIOCIWFIRST] = "SIOCGIWSCAN", /* get scanning results */
/* 802.11 specific support */
[SIOCSIWESSID-SIOCIWFIRST] = "SIOCSIWESSID", /* set ESSID (network name) */
[SIOCGIWESSID-SIOCIWFIRST] = "SIOCGIWESSID", /* get ESSID */
[SIOCSIWNICKN-SIOCIWFIRST] = "SIOCSIWNICKN", /* set node name/nickname */
[SIOCGIWNICKN-SIOCIWFIRST] = "SIOCGIWNICKN", /* get node name/nickname */
/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
* within the 'iwreq' structure, so we need to use the 'data' member to
* point to a string in user space, like it is done for RANGE... */
/* Other parameters useful in 802.11 and some other devices */
[SIOCSIWRATE-SIOCIWFIRST] = "SIOCSIWRATE", /* set default bit rate (bps) */
[SIOCGIWRATE-SIOCIWFIRST] = "SIOCGIWRATE", /* get default bit rate (bps) */
[SIOCSIWRTS-SIOCIWFIRST] = "SIOCSIWRTS", /* set RTS/CTS threshold (bytes) */
[SIOCGIWRTS-SIOCIWFIRST] = "SIOCGIWRTS", /* get RTS/CTS threshold (bytes) */
[SIOCSIWFRAG-SIOCIWFIRST] = "SIOCSIWFRAG", /* set fragmentation thr (bytes) */
[SIOCGIWFRAG-SIOCIWFIRST] = "SIOCGIWFRAG", /* get fragmentation thr (bytes) */
[SIOCSIWTXPOW-SIOCIWFIRST] = "SIOCSIWTXPOW", /* set transmit power (dBm) */
[SIOCGIWTXPOW-SIOCIWFIRST] = "SIOCGIWTXPOW", /* get transmit power (dBm) */
[SIOCSIWRETRY-SIOCIWFIRST] = "SIOCSIWRETRY", /* set retry limits and lifetime */
[SIOCGIWRETRY-SIOCIWFIRST] = "SIOCGIWRETRY", /* get retry limits and lifetime */
/* Encoding stuff (scrambling, hardware security, WEP...) */
[SIOCSIWENCODE-SIOCIWFIRST] = "SIOCSIWENCODE", /* set encoding token & mode */
[SIOCGIWENCODE-SIOCIWFIRST] = "SIOCGIWENCODE", /* get encoding token & mode */
/* Power saving stuff (power management, unicast and multicast) */
[SIOCSIWPOWER-SIOCIWFIRST] = "SIOCSIWPOWER", /* set Power Management settings */
[SIOCGIWPOWER-SIOCIWFIRST] = "SIOCGIWPOWER", /* get Power Management settings */
/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
* This ioctl uses struct iw_point and data buffer that includes IE id and len
* fields. More than one IE may be included in the request. Setting the generic
* IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
* are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
* are required to report the used IE as a wireless event, e.g., when
* associating with an AP. */
[SIOCSIWGENIE-SIOCIWFIRST] = "SIOCSIWGENIE", /* set generic IE */
[SIOCGIWGENIE-SIOCIWFIRST] = "SIOCGIWGENIE", /* get generic IE */
/* WPA : IEEE 802.11 MLME requests */
[SIOCSIWMLME-SIOCIWFIRST] = "SIOCSIWMLME", /* request MLME operation; uses struct iw_mlme */
/* WPA : Authentication mode parameters */
[SIOCSIWAUTH-SIOCIWFIRST] = "SIOCSIWAUTH", /* set authentication mode params */
[SIOCGIWAUTH-SIOCIWFIRST] = "SIOCGIWAUTH", /* get authentication mode params */
/* WPA : Extended version of encoding configuration */
[SIOCSIWENCODEEXT-SIOCIWFIRST] = "SIOCSIWENCODEEXT", /* set encoding token & mode */
[SIOCGIWENCODEEXT-SIOCIWFIRST] = "SIOCGIWENCODEEXT", /* get encoding token & mode */
/* WPA2 : PMKSA cache management */
[SIOCSIWPMKSA-SIOCIWFIRST] = "SIOCSIWPMKSA", /* PMKSA cache operation */
/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
/* These 32 ioctl are wireless device private, for 16 commands.
* Each driver is free to use them for whatever purpose it chooses,
* however the driver *must* export the description of those ioctls
* with SIOCGIWPRIV and *must* use arguments as defined below.
* If you don't follow those rules, DaveM is going to hate you (reason :
* it make mixed 32/64bit operation impossible).
*/
[SIOCIWFIRSTPRIV-SIOCIWFIRST] = "SIOCIWFIRSTPRIV",
[SIOCIWLASTPRIV-SIOCIWFIRST] = "SIOCIWLASTPRIV",
/* Previously, we were using SIOCDEVPRIVATE, but we now have our
* separate range because of collisions with other tools such as
* 'mii-tool'.
* We now have 32 commands, so a bit more space ;-).
* Also, all 'even' commands are only usable by root and don't return the
* content of ifr/iwr to user (but you are not obliged to use the set/get
* convention, just use every other two command). More details in iwpriv.c.
* And I repeat : you are not forced to use them with iwpriv, but you
* must be compliant with it.
*/
/* ----------------------- WIRELESS EVENTS ----------------------- */
/* Those are *NOT* ioctls, do not issue request on them !!! */
/* Most events use the same identifier as ioctl requests */
[IWEVTXDROP-SIOCIWFIRST] = "IWEVTXDROP", /* Packet dropped to excessive retry */
[IWEVQUAL-SIOCIWFIRST] = "IWEVQUAL", /* Quality part of statistics (scan) */
[IWEVCUSTOM-SIOCIWFIRST] = "IWEVCUSTOM", /* Driver specific ascii string */
[IWEVREGISTERED-SIOCIWFIRST]= "IWEVREGISTERED", /* Discovered a new node (AP mode) */
[IWEVEXPIRED-SIOCIWFIRST] = "IWEVEXPIRED", /* Expired a node (AP mode) */
[IWEVGENIE-SIOCIWFIRST] = "IWEVGENIE", /* Generic IE (WPA, RSN, WMM, ..) (scan results); This includes id and
* length fields. One IWEVGENIE may contain more than one IE. Scan
* results may contain one or more IWEVGENIE events. */
[IWEVMICHAELMICFAILURE-SIOCIWFIRST] = "IWEVMICHAELMICFAILURE", /* Michael MIC failure (struct iw_michaelmicfailure) */
[IWEVASSOCREQIE-SIOCIWFIRST] = "IWEVASSOCREQIE", /* IEs used in (Re)Association Request.
* The data includes id and length
* fields and may contain more than one
* IE. This event is required in
* Managed mode if the driver
* generates its own WPA/RSN IE. This
* should be sent just before
* IWEVREGISTERED event for the
* association. */
[IWEVASSOCRESPIE-SIOCIWFIRST] = "IWEVASSOCRESPIE", /* IEs used in (Re)Association
* Response. The data includes id and
* length fields and may contain more
* than one IE. This may be sent
* between IWEVASSOCREQIE and
* IWEVREGISTERED events for the
* association. */
[IWEVPMKIDCAND-SIOCIWFIRST] = "IWEVPMKIDCAND", /* PMKID candidate for RSN
* pre-authentication
* (struct iw_pmkid_cand) */
};
/* WLAN IE: Information Elements */
struct wlan_ie {
u8 id;
u8 len;
u8 data[];
} STRUCT_PACKED;
struct wlan_ies { // struct iw_point without void *pointer;
u16 len; /* number of fields or size in bytes */
u16 flags; /* Optional params */
struct wlan_ie ies[];
};
/* Information Element IDs (IEEE Std 802.11-2016, 9.4.2.1, Table 9-77) */
/* see aircrack-ng/third-party/ieee80211.h and hostap-git/src/common/ieee802_11_defs.h */
static const char wlan_eid_str[][40] = { // max len(EID_VHT_OPERATING_MODE_NOTIFICATION) = 36
[WLAN_EID_SSID] = "EID_SSID",
[WLAN_EID_SUPP_RATES] = "EID_SUPP_RATES",
[WLAN_EID_DS_PARAMS] = "EID_DS_PARAMS",
[WLAN_EID_CF_PARAMS] = "EID_CF_PARAMS",
[WLAN_EID_TIM] = "EID_TIM",
[WLAN_EID_IBSS_PARAMS] = "EID_IBSS_PARAMS",
[WLAN_EID_COUNTRY] = "EID_COUNTRY",
[WLAN_EID_REQUEST] = "EID_REQUEST",
[WLAN_EID_BSS_LOAD] = "EID_BSS_LOAD",
[WLAN_EID_EDCA_PARAM_SET] = "EID_EDCA_PARAM_SET",
[WLAN_EID_TSPEC] = "EID_TSPEC",
[WLAN_EID_TCLAS] = "EID_TCLAS",
[WLAN_EID_SCHEDULE] = "EID_SCHEDULE",
[WLAN_EID_CHALLENGE] = "EID_CHALLENGE",
[WLAN_EID_CHALLENGE+1] = "EID_CHALLENGE17", /* 17-31 reserved for challenge text extension */
[WLAN_EID_CHALLENGE+2] = "EID_CHALLENGE18",
[WLAN_EID_CHALLENGE+3] = "EID_CHALLENGE19",
[WLAN_EID_CHALLENGE+4] = "EID_CHALLENGE20",
[WLAN_EID_CHALLENGE+5] = "EID_CHALLENGE21",
[WLAN_EID_CHALLENGE+6] = "EID_CHALLENGE22",
[WLAN_EID_CHALLENGE+7] = "EID_CHALLENGE23",
[WLAN_EID_CHALLENGE+8] = "EID_CHALLENGE24",
[WLAN_EID_CHALLENGE+9] = "EID_CHALLENGE25",
[WLAN_EID_CHALLENGE+10] = "EID_CHALLENGE26",
[WLAN_EID_CHALLENGE+11] = "EID_CHALLENGE27",
[WLAN_EID_CHALLENGE+12] = "EID_CHALLENGE28",
[WLAN_EID_CHALLENGE+13] = "EID_CHALLENGE29",
[WLAN_EID_CHALLENGE+14] = "EID_CHALLENGE30",
[WLAN_EID_CHALLENGE+15] = "EID_CHALLENGE31",
[WLAN_EID_PWR_CONSTRAINT] = "EID_PWR_CONSTRAINT",
[WLAN_EID_PWR_CAPABILITY] = "EID_PWR_CAPABILITY",
[WLAN_EID_TPC_REQUEST] = "EID_TPC_REQUEST",
[WLAN_EID_TPC_REPORT] = "EID_TPC_REPORT",
[WLAN_EID_SUPPORTED_CHANNELS] = "EID_SUPPORTED_CHANNELS",
[WLAN_EID_CHANNEL_SWITCH] = "EID_CHANNEL_SWITCH",
[WLAN_EID_MEASURE_REQUEST] = "EID_MEASURE_REQUEST",
[WLAN_EID_MEASURE_REPORT] = "EID_MEASURE_REPORT",
[WLAN_EID_QUIET] = "EID_QUIET",
[WLAN_EID_IBSS_DFS] = "EID_IBSS_DFS",
[WLAN_EID_ERP_INFO] = "EID_ERP_INFO",
[WLAN_EID_TS_DELAY] = "EID_TS_DELAY",
[WLAN_EID_TCLAS_PROCESSING] = "EID_TCLAS_PROCESSING",
[WLAN_EID_HT_CAP] = "EID_HT_CAP",
[WLAN_EID_QOS] = "EID_QOS",
[WLAN_EID_RSN] = "EID_RSN",
[WLAN_EID_EXT_SUPP_RATES] = "EID_EXT_SUPP_RATES",
[WLAN_EID_AP_CHANNEL_REPORT] = "EID_AP_CHANNEL_REPORT",
[WLAN_EID_NEIGHBOR_REPORT] = "EID_NEIGHBOR_REPORT",
[WLAN_EID_RCPI] = "EID_RCPI",
[WLAN_EID_MOBILITY_DOMAIN] = "EID_MOBILITY_DOMAIN",
[WLAN_EID_FAST_BSS_TRANSITION] = "EID_FAST_BSS_TRANSITION",
[WLAN_EID_TIMEOUT_INTERVAL] = "EID_TIMEOUT_INTERVAL",
[WLAN_EID_RIC_DATA] = "EID_RIC_DATA",
[WLAN_EID_DSE_REGISTERED_LOCATION] = "EID_DSE_REGISTERED_LOCATION",
[WLAN_EID_SUPPORTED_OPERATING_CLASSES] = "EID_SUPPORTED_OPERATING_CLASSES",
[WLAN_EID_EXT_CHANSWITCH_ANN] = "EID_EXT_CHANSWITCH_ANN",
[WLAN_EID_HT_OPERATION] = "EID_HT_OPERATION",
[WLAN_EID_SECONDARY_CHANNEL_OFFSET] = "EID_SECONDARY_CHANNEL_OFFSET",
[WLAN_EID_BSS_AVERAGE_ACCESS_DELAY] = "EID_BSS_AVERAGE_ACCESS_DELAY",
[WLAN_EID_ANTENNA] = "EID_ANTENNA",
[WLAN_EID_RSNI] = "EID_RSNI",
[WLAN_EID_MEASUREMENT_PILOT_TRANSMISSION] = "EID_MEASUREMENT_PILOT_TRANSMISSION",
[WLAN_EID_BSS_AVAILABLE_ADM_CAPA] = "EID_BSS_AVAILABLE_ADM_CAPA",
[WLAN_EID_BSS_AC_ACCESS_DELAY] = "EID_BSS_AC_ACCESS_DELAY", /* note: also used by WAPI */
[WLAN_EID_TIME_ADVERTISEMENT] = "EID_TIME_ADVERTISEMENT",
[WLAN_EID_RRM_ENABLED_CAPABILITIES] = "EID_RRM_ENABLED_CAPABILITIES",
[WLAN_EID_MULTIPLE_BSSID] = "EID_MULTIPLE_BSSID",
[WLAN_EID_20_40_BSS_COEXISTENCE] = "EID_20_40_BSS_COEXISTENCE",
[WLAN_EID_20_40_BSS_INTOLERANT] = "EID_20_40_BSS_INTOLERANT",
[WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS] = "EID_OVERLAPPING_BSS_SCAN_PARAMS",
[WLAN_EID_RIC_DESCRIPTOR] = "EID_RIC_DESCRIPTOR",
[WLAN_EID_MMIE] = "EID_MMIE",
[WLAN_EID_EVENT_REQUEST] = "EID_EVENT_REQUEST",
[WLAN_EID_EVENT_REPORT] = "EID_EVENT_REPORT",
[WLAN_EID_DIAGNOSTIC_REQUEST] = "EID_DIAGNOSTIC_REQUEST",
[WLAN_EID_DIAGNOSTIC_REPORT] = "EID_DIAGNOSTIC_REPORT",
[WLAN_EID_LOCATION_PARAMETERS] = "EID_LOCATION_PARAMETERS",
[WLAN_EID_NONTRANSMITTED_BSSID_CAPA] = "EID_NONTRANSMITTED_BSSID_CAPA",
[WLAN_EID_SSID_LIST] = "EID_SSID_LIST",
[WLAN_EID_MULTIPLE_BSSID_INDEX] = "EID_MULTIPLE_BSSID_INDEX",
[WLAN_EID_FMS_DESCRIPTOR] = "EID_FMS_DESCRIPTOR",
[WLAN_EID_FMS_REQUEST] = "EID_FMS_REQUEST",
[WLAN_EID_FMS_RESPONSE] = "EID_FMS_RESPONSE",
[WLAN_EID_QOS_TRAFFIC_CAPABILITY] = "EID_QOS_TRAFFIC_CAPABILITY",
[WLAN_EID_BSS_MAX_IDLE_PERIOD] = "EID_BSS_MAX_IDLE_PERIOD",
[WLAN_EID_TFS_REQ] = "EID_TFS_REQ",
[WLAN_EID_TFS_RESP] = "EID_TFS_RESP",
[WLAN_EID_WNMSLEEP] = "EID_WNMSLEEP",
[WLAN_EID_TIM_BROADCAST_REQUEST] = "EID_TIM_BROADCAST_REQUEST",
[WLAN_EID_TIM_BROADCAST_RESPONSE] = "EID_TIM_BROADCAST_RESPONSE",
[WLAN_EID_COLLOCATED_INTERFERENCE_REPORT] = "EID_COLLOCATED_INTERFERENCE_REPORT",
[WLAN_EID_CHANNEL_USAGE] = "EID_CHANNEL_USAGE",
[WLAN_EID_TIME_ZONE] = "EID_TIME_ZONE",
[WLAN_EID_DMS_REQUEST] = "EID_DMS_REQUEST",
[WLAN_EID_DMS_RESPONSE] = "EID_DMS_RESPONSE",
[WLAN_EID_LINK_ID] = "EID_LINK_ID",
[WLAN_EID_WAKEUP_SCHEDULE] = "EID_WAKEUP_SCHEDULE",
[WLAN_EID_CHANNEL_SWITCH_TIMING] = "EID_CHANNEL_SWITCH_TIMING",
[WLAN_EID_PTI_CONTROL] = "EID_PTI_CONTROL",
[WLAN_EID_TPU_BUFFER_STATUS] = "EID_TPU_BUFFER_STATUS",
[WLAN_EID_INTERWORKING] = "EID_INTERWORKING",
[WLAN_EID_ADV_PROTO] = "EID_ADV_PROTO",
[WLAN_EID_EXPEDITED_BANDWIDTH_REQ] = "EID_EXPEDITED_BANDWIDTH_REQ",
[WLAN_EID_QOS_MAP_SET] = "EID_QOS_MAP_SET",
[WLAN_EID_ROAMING_CONSORTIUM] = "EID_ROAMING_CONSORTIUM",
[WLAN_EID_EMERGENCY_ALERT_ID] = "EID_EMERGENCY_ALERT_ID",
[WLAN_EID_MESH_CONFIG] = "EID_MESH_CONFIG",
[WLAN_EID_MESH_ID] = "EID_MESH_ID",
[WLAN_EID_MESH_LINK_METRIC_REPORT] = "EID_MESH_LINK_METRIC_REPORT",
[WLAN_EID_CONGESTION_NOTIFICATION] = "EID_CONGESTION_NOTIFICATION",
[WLAN_EID_PEER_MGMT] = "EID_PEER_MGMT",
[WLAN_EID_MESH_CHANNEL_SWITCH_PARAMETERS] = "EID_MESH_CHANNEL_SWITCH_PARAMETERS",
[WLAN_EID_MESH_AWAKE_WINDOW] = "EID_MESH_AWAKE_WINDOW",
[WLAN_EID_BEACON_TIMING] = "EID_BEACON_TIMING",
[WLAN_EID_MCCAOP_SETUP_REQUEST] = "EID_MCCAOP_SETUP_REQUEST",
[WLAN_EID_MCCAOP_SETUP_REPLY] = "EID_MCCAOP_SETUP_REPLY",
[WLAN_EID_MCCAOP_ADVERTISEMENT] = "EID_MCCAOP_ADVERTISEMENT",
[WLAN_EID_MCCAOP_TEARDOWN] = "EID_MCCAOP_TEARDOWN",
[WLAN_EID_GANN] = "EID_GANN",
[WLAN_EID_RANN] = "EID_RANN",
[WLAN_EID_EXT_CAPAB] = "EID_EXT_CAPAB",
[WLAN_EID_PREQ] = "EID_PREQ",
[WLAN_EID_PREP] = "EID_PREP",
[WLAN_EID_PERR] = "EID_PERR",
[WLAN_EID_PXU] = "EID_PXU",
[WLAN_EID_PXUC] = "EID_PXUC",
[WLAN_EID_AMPE] = "EID_AMPE",
[WLAN_EID_MIC] = "EID_MIC",
[WLAN_EID_DESTINATION_URI] = "EID_DESTINATION_URI",
[WLAN_EID_U_APSD_COEX] = "EID_U_APSD_COEX",
[WLAN_EID_DMG_WAKEUP_SCHEDULE] = "EID_DMG_WAKEUP_SCHEDULE",
[WLAN_EID_EXTENDED_SCHEDULE] = "EID_EXTENDED_SCHEDULE",
[WLAN_EID_STA_AVAILABILITY] = "EID_STA_AVAILABILITY",
[WLAN_EID_DMG_TSPEC] = "EID_DMG_TSPEC",
[WLAN_EID_NEXT_DMG_ATI] = "EID_NEXT_DMG_ATI",
[WLAN_EID_DMG_CAPABILITIES] = "EID_DMG_CAPABILITIES",
[WLAN_EID_DMG_OPERATION] = "EID_DMG_OPERATION",
[WLAN_EID_DMG_BSS_PARAMETER_CHANGE] = "EID_DMG_BSS_PARAMETER_CHANGE",
[WLAN_EID_DMG_BEAM_REFINEMENT] = "EID_DMG_BEAM_REFINEMENT",
[WLAN_EID_CHANNEL_MEASUREMENT_FEEDBACK] = "EID_CHANNEL_MEASUREMENT_FEEDBACK",
[WLAN_EID_CCKM] = "EID_CCKM",
[WLAN_EID_AWAKE_WINDOW] = "EID_AWAKE_WINDOW",
[WLAN_EID_MULTI_BAND] = "EID_MULTI_BAND",
[WLAN_EID_ADDBA_EXTENSION] = "EID_ADDBA_EXTENSION",
[WLAN_EID_NEXTPCP_LIST] = "EID_NEXTPCP_LIST",
[WLAN_EID_PCP_HANDOVER] = "EID_PCP_HANDOVER",
[WLAN_EID_DMG_LINK_MARGIN] = "EID_DMG_LINK_MARGIN",
[WLAN_EID_SWITCHING_STREAM] = "EID_SWITCHING_STREAM",
[WLAN_EID_SESSION_TRANSITION] = "EID_SESSION_TRANSITION",
[WLAN_EID_DYNAMIC_TONE_PAIRING_REPORT] = "EID_DYNAMIC_TONE_PAIRING_REPORT",
[WLAN_EID_CLUSTER_REPORT] = "EID_CLUSTER_REPORT",
[WLAN_EID_REPLAY_CAPABILITIES] = "EID_REPLAY_CAPABILITIES",
[WLAN_EID_RELAY_TRANSFER_PARAM_SET] = "EID_RELAY_TRANSFER_PARAM_SET",
[WLAN_EID_BEAMLINK_MAINTENANCE] = "EID_BEAMLINK_MAINTENANCE",
[WLAN_EID_MULTIPLE_MAC_SUBLAYERS] = "EID_MULTIPLE_MAC_SUBLAYERS",
[WLAN_EID_U_PID] = "EID_U_PID",
[WLAN_EID_DMG_LINK_ADAPTATION_ACK] = "EID_DMG_LINK_ADAPTATION_ACK",
[WLAN_EID_MCCAOP_ADVERTISEMENT_OVERVIEW] = "EID_MCCAOP_ADVERTISEMENT_OVERVIEW",
[WLAN_EID_QUIET_PERIOD_REQUEST] = "EID_QUIET_PERIOD_REQUEST",
[WLAN_EID_QUIET_PERIOD_RESPONSE] = "EID_QUIET_PERIOD_RESPONSE",
[WLAN_EID_QMF_POLICY] = "EID_QMF_POLICY",
[WLAN_EID_ECAPC_POLICY] = "EID_ECAPC_POLICY",
[WLAN_EID_CLUSTER_TIME_OFFSET] = "EID_CLUSTER_TIME_OFFSET",
[WLAN_EID_INTRA_ACCESS_CATEGORY_PRIORITY] = "EID_INTRA_ACCESS_CATEGORY_PRIORITY",
[WLAN_EID_SCS_DESCRIPTOR] = "EID_SCS_DESCRIPTOR",
[WLAN_EID_QLOAD_REPORT] = "EID_QLOAD_REPORT",
[WLAN_EID_HCCA_TXOP_UPDATE_COUNT] = "EID_HCCA_TXOP_UPDATE_COUNT",
[WLAN_EID_HIGHER_LAYER_STREAM_ID] = "EID_HIGHER_LAYER_STREAM_ID",
[WLAN_EID_GCR_GROUP_ADDRESS] = "EID_GCR_GROUP_ADDRESS",
[WLAN_EID_ANTENNA_SECTOR_ID_PATTERN] = "EID_ANTENNA_SECTOR_ID_PATTERN",
[WLAN_EID_VHT_CAP] = "EID_VHT_CAP",
[WLAN_EID_VHT_OPERATION] = "EID_VHT_OPERATION",
[WLAN_EID_VHT_EXTENDED_BSS_LOAD] = "EID_VHT_EXTENDED_BSS_LOAD",
[WLAN_EID_VHT_WIDE_BW_CHSWITCH] = "EID_VHT_WIDE_BW_CHSWITCH",
[WLAN_EID_VHT_TRANSMIT_POWER_ENVELOPE] = "EID_VHT_TRANSMIT_POWER_ENVELOPE",
[WLAN_EID_VHT_CHANNEL_SWITCH_WRAPPER] = "EID_VHT_CHANNEL_SWITCH_WRAPPER",
[WLAN_EID_VHT_AID] = "EID_VHT_AID",
[WLAN_EID_VHT_QUIET_CHANNEL] = "EID_VHT_QUIET_CHANNEL",
[WLAN_EID_VHT_OPERATING_MODE_NOTIFICATION] = "EID_VHT_OPERATING_MODE_NOTIFICATION",
[WLAN_EID_UPSIM] = "EID_UPSIM",
[WLAN_EID_REDUCED_NEIGHBOR_REPORT] = "EID_REDUCED_NEIGHBOR_REPORT",
[WLAN_EID_TVHT_OPERATION] = "EID_TVHT_OPERATION",
[WLAN_EID_DEVICE_LOCATION] = "EID_DEVICE_LOCATION",
[WLAN_EID_WHITE_SPACE_MAP] = "EID_WHITE_SPACE_MAP",
[WLAN_EID_FTM_PARAMETERS] = "EID_FTM_PARAMETERS",
[WLAN_EID_VENDOR_SPECIFIC] = "EID_VENDOR_SPECIFIC",
[WLAN_EID_CAG_NUMBER] = "EID_CAG_NUMBER",
[WLAN_EID_AP_CSN] = "EID_AP_CSN",
[WLAN_EID_FILS_INDICATION] = "EID_FILS_INDICATION",
[WLAN_EID_DILS] = "EID_DILS",
[WLAN_EID_FRAGMENT] = "EID_FRAGMENT",
[WLAN_EID_RSNX] = "EID_RSNX",
[WLAN_EID_EXTENSION] = "EID_EXTENSION",
};
static const char wlan_eid_ext_str[][40] = { // max len(EID_VHT_OPERATING_MODE_NOTIFICATION) = 36
/* Element ID Extension (EID 255) values */
[WLAN_EID_EXT_ASSOC_DELAY_INFO] = "EID_EXT_ASSOC_DELAY_INFO",
[WLAN_EID_EXT_FILS_REQ_PARAMS] = "EID_EXT_FILS_REQ_PARAMS",
[WLAN_EID_EXT_FILS_KEY_CONFIRM] = "EID_EXT_FILS_KEY_CONFIRM",
[WLAN_EID_EXT_FILS_SESSION] = "EID_EXT_FILS_SESSION",
[WLAN_EID_EXT_FILS_HLP_CONTAINER] = "EID_EXT_FILS_HLP_CONTAINER",
[WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN] = "EID_EXT_FILS_IP_ADDR_ASSIGN",
[WLAN_EID_EXT_KEY_DELIVERY] = "EID_EXT_KEY_DELIVERY",
[WLAN_EID_EXT_WRAPPED_DATA] = "EID_EXT_WRAPPED_DATA",
[WLAN_EID_EXT_FTM_SYNC_INFO] = "EID_EXT_FTM_SYNC_INFO",
[WLAN_EID_EXT_EXTENDED_REQUEST] = "EID_EXT_EXTENDED_REQUEST",
[WLAN_EID_EXT_ESTIMATED_SERVICE_PARAMS] = "EID_EXT_ESTIMATED_SERVICE_PARAMS",
[WLAN_EID_EXT_FILS_PUBLIC_KEY] = "EID_EXT_FILS_PUBLIC_KEY",
[WLAN_EID_EXT_FILS_NONCE] = "EID_EXT_FILS_NONCE",
[WLAN_EID_EXT_FUTURE_CHANNEL_GUIDANCE] = "EID_EXT_FUTURE_CHANNEL_GUIDANCE",
[WLAN_EID_EXT_OWE_DH_PARAM] = "EID_EXT_OWE_DH_PARAM",
[WLAN_EID_EXT_PASSWORD_IDENTIFIER] = "EID_EXT_PASSWORD_IDENTIFIER",
[WLAN_EID_EXT_HE_CAPABILITIES] = "EID_EXT_HE_CAPABILITIES",
[WLAN_EID_EXT_HE_OPERATION] = "EID_EXT_HE_OPERATION",
[WLAN_EID_EXT_HE_MU_EDCA_PARAMS] = "EID_EXT_HE_MU_EDCA_PARAMS",
[WLAN_EID_EXT_SPATIAL_REUSE] = "EID_EXT_SPATIAL_REUSE",
[WLAN_EID_EXT_OCV_OCI] = "EID_EXT_OCV_OCI",
[WLAN_EID_EXT_SHORT_SSID_LIST] = "EID_EXT_SHORT_SSID_LIST",
[WLAN_EID_EXT_HE_6GHZ_BAND_CAP] = "EID_EXT_HE_6GHZ_BAND_CAP",
[WLAN_EID_EXT_EDMG_CAPABILITIES] = "EID_EXT_EDMG_CAPABILITIES",
[WLAN_EID_EXT_EDMG_OPERATION] = "EID_EXT_EDMG_OPERATION",
[WLAN_EID_EXT_MSCS_DESCRIPTOR] = "EID_EXT_MSCS_DESCRIPTOR",
[WLAN_EID_EXT_TCLAS_MASK] = "EID_EXT_TCLAS_MASK",
[WLAN_EID_EXT_REJECTED_GROUPS] = "EID_EXT_REJECTED_GROUPS",
[WLAN_EID_EXT_ANTI_CLOGGING_TOKEN] = "EID_EXT_ANTI_CLOGGING_TOKEN",
};
static void print_rta_addr(int family, const struct rtattr *rta)
{
if (!family && RTA_PAYLOAD(rta) == 6)
family = AF_PACKET;
switch (family) {
case AF_PACKET: {
unsigned char *x = RTA_DATA(rta);
outf(" %02x:%02x:%02x:%02x:%02x:%02x", x[0], x[1], x[2], x[3], x[4], x[5]);
break;
}
case AF_INET:
case AF_INET6: {
char host[INET6_ADDRSTRLEN];
outf(" %s", inet_ntop(family, RTA_DATA(rta), host, sizeof(host)));
break;
}
default:
outf(" AF_unexpected_family_%d\n", family);
dump(RTA_DATA(rta), RTA_PAYLOAD(rta), 0, "\t");
break;
}
}
static void print_iff(int flags)
{
outf(" ");
if (!flags) {
outf("-");
return;
}
int first = 1;
for (int i = 0; ifa_flags_descr[i].flag; i++) {
if (flags & ifa_flags_descr[i].flag) {
outf("%s%s", first ? "" : "|", ifa_flags_descr[i].name);
first = 0;
}
flags &= ~ifa_flags_descr[i].flag;
}
if (flags) outf("|%#x", flags);
}
/*
* Compare two ethernet addresses
*/
static int iw_ether_cmp(const struct ether_addr* eth1, const struct ether_addr* eth2)
{
return memcmp(eth1, eth2, sizeof(*eth1));
}
/*
* Display an Wireless Access Point Socket Address in readable format.
* Note : 0x44 is an accident of history, that's what the Orinoco/PrismII
* chipset report, and the driver doesn't filter it.
*/
static void print_ap_addr(const struct sockaddr *sap)
{
const struct ether_addr ether_zero = {{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }};
const struct ether_addr ether_bcast = {{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }};
const struct ether_addr ether_hack = {{ 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 }};
const struct ether_addr *ap = (const struct ether_addr *) sap->sa_data;
if (!iw_ether_cmp(ap, ðer_zero))
outf("Not-Associated");
else if (!iw_ether_cmp(ap, ðer_bcast))
outf("Invalid");
else if (!iw_ether_cmp(ap, ðer_hack))
outf("None");
else
outf("%02x:%02x:%02x:%02x:%02x:%02x",
ap->ether_addr_octet[0], ap->ether_addr_octet[1],
ap->ether_addr_octet[2], ap->ether_addr_octet[3],
ap->ether_addr_octet[4], ap->ether_addr_octet[5]);
}
int nl_debug(void *buf, int len)
{
if (len < 0) {
outf("netlink_read: len=%d - %s\n", len, strerror(errno));
return len;
}
if (len == 0) {
outf("netlink_read: EOF\n");
return -1;
}
if (len < NLMSG_HDRLEN) {
outf("netlink_read: short read (%d)\n", len);
return 0;
}
//dump(&buf, len, 0, "\t");
for (struct nlmsghdr *nh = buf; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len)) {
if (0) {
outf("--- Netlink message %d bytes, flags %#x %s\n", nh->nlmsg_len, nh->nlmsg_flags & ~NLM_F_MULTI,
(nh->nlmsg_flags & NLM_F_MULTI) ? "[multi]" : "");
}
if (nh->nlmsg_type == NLMSG_DONE) {
//done = 1;
break;
} else if (nh->nlmsg_type == NLMSG_ERROR) {
// struct nlmsgerr {
// int error; /* Negative errno or 0 for acknowledgements */
// struct nlmsghdr msg; /* Message header that caused the error */
// };
struct nlmsgerr *err = (struct nlmsgerr *) NLMSG_DATA(nh);
if (err->error == 0) {
outf("(ACK)\n");
} else {
errno = -err->error;
outf("netlink_read: %s, caused by nlmsghdr { type %s, len %u, flags %#x, seq %u, pid %u }\n",
strerror(errno),
nlmsg_type_str[err->msg.nlmsg_type], /* Type of message content */
err->msg.nlmsg_len, /* Length of message including header */
err->msg.nlmsg_flags, /* Additional flags */
err->msg.nlmsg_seq, /* Sequence number */
err->msg.nlmsg_pid /* Sender port ID */
);
}
} else if (nh->nlmsg_type == RTM_NEWLINK || nh->nlmsg_type == RTM_DELLINK) {
// struct ifinfomsg {
// unsigned char ifi_family; /* AF_UNSPEC */
// unsigned short ifi_type; /* Device type */
// int ifi_index; /* Interface index */
// unsigned int ifi_flags; /* Device flags */
// unsigned int ifi_change; /* change mask */
// };
struct ifinfomsg *ifm = (struct ifinfomsg *) NLMSG_DATA(nh);
size_t rta_len = IFLA_PAYLOAD(nh); //NLMSG_PAYLOAD(nh, sizeof(*ifm));
outf("%s interface ifindex %u, type %hu, family %d, flags %#x, change %#x,",
nh->nlmsg_type == RTM_NEWLINK ? "+" : "-", ifm->ifi_index, ifm->ifi_type,
ifm->ifi_family, ifm->ifi_flags, ifm->ifi_change);
for (struct rtattr *rta = IFLA_RTA(ifm); RTA_OK(rta, rta_len); rta = RTA_NEXT(rta, rta_len)) {
outf(" %s", ifla_rta_type_str[rta->rta_type]);
switch (rta->rta_type) {
// not implemented
case IFLA_UNSPEC:
case IFLA_AF_SPEC:
case IFLA_STATS64:
case IFLA_STATS:
case IFLA_MAP:
case IFLA_XDP:
case IFLA_LINKINFO:
outf(" -");
break;
// mac
case IFLA_ADDRESS:
case IFLA_BROADCAST:
case IFLA_PERM_ADDRESS:
print_rta_addr(ifm->ifi_family, rta);
break;
// asciiz
case IFLA_IFNAME:
case IFLA_QDISC: {
const char *val = RTA_DATA(rta);
outf(" %s", val);
break;
}
// unsigned char
case IFLA_OPERSTATE:
case IFLA_LINKMODE:
case IFLA_CARRIER:
case IFLA_PROTO_DOWN: {
const unsigned char *val = RTA_DATA(rta);
outf(" %u", *val);
break;
}
// unsigned int
case IFLA_TXQLEN:
case IFLA_MTU:
case IFLA_MIN_MTU:
case IFLA_MAX_MTU:
case IFLA_GROUP:
case IFLA_PROMISCUITY:
case IFLA_NUM_TX_QUEUES:
case IFLA_GSO_MAX_SEGS:
case IFLA_GSO_MAX_SIZE:
case IFLA_NUM_RX_QUEUES:
case IFLA_CARRIER_CHANGES:
case IFLA_CARRIER_UP_COUNT:
case IFLA_CARRIER_DOWN_COUNT: {
const unsigned *val = RTA_DATA(rta);
outf(" %u", *val);
break;
}
// int
case IFLA_LINK: {
const int *val = RTA_DATA(rta);
outf(" %d", *val);
break;
}
case IFLA_WIRELESS: {
// struct iw_event {
// __u16 len; /* Real length of this stuff (with header) */
// __u16 cmd; /* Wireless IOCTL */
// union iwreq_data u; /* IOCTL fixed payload */
// };
// union iwreq_data {
// char name[IFNAMSIZ]; /* Name : used to verify the presence of wireless extensions. Name of the protocol/provider... */
// struct iw_point essid; /* Extended network name */
// struct iw_param nwid; /* network id (or domain - the cell) */
// struct iw_freq freq; /* frequency or channel : * 0-1000 = channel * > 1000 = frequency in Hz */
// struct iw_param sens; /* signal level threshold */
// struct iw_param bitrate; /* default bit rate */
// struct iw_param txpower; /* default transmit power */
// struct iw_param rts; /* RTS threshold */
// struct iw_param frag; /* Fragmentation threshold */
// __u32 mode; /* Operation mode */
// struct iw_param retry; /* Retry limits & lifetime */
// struct iw_point encoding; /* Encoding stuff : tokens */
// struct iw_param power; /* PM duration/timeout */
// struct iw_quality qual; /* Quality part of statistics */
// struct sockaddr ap_addr; /* Access point address */
// struct sockaddr addr; /* Destination address (hw/mac) */
// struct iw_param param; /* Other small parameters */
// struct iw_point data; /* Other large parameters */
// };
// struct iw_point {
// void *pointer; /* Pointer to the data (in user space) */
// __u16 length; /* number of fields or size in bytes (without header) */
// __u16 flags; /* Optional params */
// };
struct iw_event *iw = RTA_DATA(rta);
for (int iwlen = RTA_PAYLOAD(rta); iwlen > 0; iwlen -= iw->len,
iw = (struct iw_event *) ((u8*)iw + iw->len)) {
const char *iwcmd = iw_event_cmd_str[iw->cmd - SIOCIWFIRST];
switch (iw->cmd) {
// unsigned int
case SIOCGIWSCAN: {
outf(" %s:%u", iwcmd, iw->u.mode);
break;
}
// hex
case SIOCGIWAP: { // [16]
outf(" AP:");
print_ap_addr(&iw->u.ap_addr);
//dump_hex(&iw->u, iwlen - sizeof(*iw) + sizeof(iw->u));
break;
}
// struct wlan_ies (struct iw_point without pointer)
case IWEVMICHAELMICFAILURE:
case IWEVCUSTOM:
case IWEVASSOCREQIE:
case IWEVASSOCRESPIE:
case IWEVPMKIDCAND: {
outf(" %s:", iwcmd);
struct wlan_ies *ies = (struct wlan_ies *) &iw->u.data;
struct wlan_ie *ie = ies->ies;
for (int ieslen = ies->len; ieslen > 0; ieslen -= sizeof(*ie) + ie->len,
ie = (struct wlan_ie *) (ie->data + ie->len)) {
const char *ieid = wlan_eid_str[ie->id];
switch (ie->id) {
// ascii
case WLAN_EID_SSID:
if (ie->len) outf(" %s=\"%.*s\"", ieid, ie->len, ie->data);
break;
// hex
case WLAN_EID_SUPP_RATES: // [6..8]
case WLAN_EID_EXT_SUPP_RATES: // [4]
case WLAN_EID_PWR_CAPABILITY: // [2]
case WLAN_EID_SUPPORTED_CHANNELS: // [2]
case WLAN_EID_RSN: // [20]
case WLAN_EID_EXT_CAPAB: // [8]
case WLAN_EID_VENDOR_SPECIFIC: // [7..9]
case WLAN_EID_HT_CAP: // [26]
outf(" %s=", ieid);
dump_hex(ie->data, ie->len);
break;
// 3-byte int
case WLAN_EID_BSS_MAX_IDLE_PERIOD: { // [3]
unsigned v = ie->data[0] | ie->data[1] << 8 | ie->data[2] << 16;
outf(" %s:%u", ieid, v);
break;
}
case WLAN_EID_EXTENSION: {
const char *extid = wlan_eid_ext_str[ie->data[0]];
outf(" %s[%d]=", extid, ie->len - 1);
dump_str(&ie->data[1], ie->len - 1);
break;
}
default:
outf(" %s[%d]=", ieid, ie->len);
dump_str(ie->data, ie->len);