From: Luciano Coelho <[email protected]> Like with normal scans, we can randomise the MAC address sent out in active scheduled scans. Add the randomise option to sched_scan (and net-detect) parsing code.
Signed-off-by: Luciano Coelho <[email protected]> --- iw.h | 2 +- scan.c | 11 +++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/iw.h b/iw.h index d6b51cf..193825f 100644 --- a/iw.h +++ b/iw.h @@ -174,7 +174,7 @@ void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen); void iw_hexdump(const char *prefix, const __u8 *data, size_t len); #define SCHED_SCAN_OPTIONS "interval <in_msecs> [delay <in_secs> " \ - "[freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] " + "[freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] [randomise[=<addr>/<mask>]]" int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv); DECLARE_SECTION(set); diff --git a/scan.c b/scan.c index 7ff04ec..e959c1b 100644 --- a/scan.c +++ b/scan.c @@ -115,6 +115,7 @@ int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv) unsigned int freq, interval = 0, delay = 0; bool have_matchset = false, have_freqs = false, have_ssids = false; bool have_active = false, have_passive = false; + uint32_t flags = 0; matchset = nlmsg_alloc(); if (!matchset) { @@ -208,6 +209,14 @@ int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv) } have_passive = true; + } else if (!strncmp(v[0], "randomise", 9) || + !strncmp(v[0], "randomize", 9)) { + flags |= NL80211_SCAN_FLAG_RANDOM_ADDR; + if (c > 0) { + err = parse_random_mac_addr(msg, v[0]); + if (err) + goto nla_put_failure; + } } else { /* this element is not for us, so * return to continue parsing. @@ -312,6 +321,8 @@ int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv) nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs); if (have_matchset) nla_put_nested(msg, NL80211_ATTR_SCHED_SCAN_MATCH, matchset); + if (flags) + NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS, flags); nla_put_failure: if (match) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
