change wrt54g packet source to automatically switch to monitor mode without wl, add channel hopping support
SVN-Revision: 1548
This commit is contained in:
Felix Fietkau
parent
173b8da675
commit
ef4302afdf
3 changed files with 115 additions and 2 deletions
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@ -18,7 +18,9 @@ suiduser=nobody
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# The initial channel is optional, if hopping is not enabled it can be used
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# to set the channel the interface listens on.
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# YOU MUST CHANGE THIS TO BE THE SOURCE YOU WANT TO USE
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source=wrt54g,prism0,wireless
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source=wrt54g,eth1,wireless
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# For v1 hardware uncomment this:
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# source=wrt54g,eth2,wireless
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# Comma-separated list of sources to enable. This is only needed if you defined
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# multiple sources and only want to enable some of them. By default, all defined
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@ -48,7 +48,9 @@ maxclients=5
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# enablesources line to enable them. For example:
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# source=prism2,wlan0,prism
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# source=cisco,eth0,cisco
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source=wrt54g,prism0,wireless
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source=wrt54g,eth1,wireless
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# For v1 hardware uncomment this:
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# source=wrt54g,eth2,wireless
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# Comma-separated list of sources to enable. This is only needed if you wish
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# to selectively enable multiple sources.
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109
openwrt/package/kismet/patches/130-wrt54g_source.patch
Normal file
109
openwrt/package/kismet/patches/130-wrt54g_source.patch
Normal file
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@ -0,0 +1,109 @@
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diff -urN kismet.old/kis_packsources.cc kismet.dev/kis_packsources.cc
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--- kismet.old/kis_packsources.cc 2005-07-25 12:18:47.230369000 +0200
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+++ kismet.dev/kis_packsources.cc 2005-07-25 12:54:44.654390736 +0200
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@@ -165,7 +165,7 @@
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chancontrol_wlanng_avs, 1);
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sourcetracker->RegisterPacketsource("wrt54g", 1, "na", 0,
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pcapsource_wrt54g_registrant,
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- monitor_wrt54g, NULL, NULL, 0);
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+ monitor_wrt54g, NULL, chancontrol_wext, 1);
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#else
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REG_EMPTY_CARD(sourcetracker, "wlanng");
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REG_EMPTY_CARD(sourcetracker, "wlanng_avs");
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diff -urN kismet.old/packetsourcetracker.cc kismet.dev/packetsourcetracker.cc
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--- kismet.old/packetsourcetracker.cc 2005-04-03 07:33:42.000000000 +0200
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+++ kismet.dev/packetsourcetracker.cc 2005-07-25 13:29:45.698983408 +0200
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@@ -978,6 +978,7 @@
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(meta_packsources[chanpak.meta_num]->device.c_str(),
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chanpak.channel, errstr,
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(void *) (meta_packsources[chanpak.meta_num]->capsource)) < 0) {
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+#if 0
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meta_packsources[chanpak.meta_num]->consec_errors++;
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@@ -999,6 +1000,7 @@
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CHANFLAG_FATAL));
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continue;
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}
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+#endif
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} else {
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// Otherwise reset the error count
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meta_packsources[chanpak.meta_num]->consec_errors = 0;
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diff -urN kismet.old/pcapsource.cc kismet.dev/pcapsource.cc
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--- kismet.old/pcapsource.cc 2005-07-25 12:18:47.234368000 +0200
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+++ kismet.dev/pcapsource.cc 2005-07-25 12:51:19.426590104 +0200
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@@ -140,6 +140,48 @@
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return 1;
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}
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+
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+// Open a source
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+int PcapSourceWrt54g::OpenSource() {
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+ channel = 0;
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+
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+ errstr[0] = '\0';
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+
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+ char *unconst = strdup("prism0");
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+
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+ pd = pcap_open_live(unconst, MAX_PACKET_LEN, 1, 1000, errstr);
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+
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+ free(unconst);
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+
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+ if (strlen(errstr) > 0)
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+ return -1; // Error is already in errstr
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+
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+ paused = 0;
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+
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+ errstr[0] = '\0';
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+
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+ num_packets = 0;
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+
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+ if (DatalinkType() < 0)
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+ return -1;
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+
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+#ifdef HAVE_PCAP_NONBLOCK
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+ pcap_setnonblock(pd, 1, errstr);
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+#elif !defined(SYS_OPENBSD)
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+ // do something clever (Thanks to Guy Harris for suggesting this).
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+ int save_mode = fcntl(pcap_get_selectable_fd(pd), F_GETFL, 0);
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+ if (fcntl(pcap_get_selectable_fd(pd), F_SETFL, save_mode | O_NONBLOCK) < 0) {
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+ snprintf(errstr, 1024, "fcntl failed, errno %d (%s)",
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+ errno, strerror(errno));
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+ }
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+#endif
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+
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+ if (strlen(errstr) > 0)
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+ return -1; // Ditto
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+
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+ return 1;
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+}
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+
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// Datalink, override as appropriate
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carrier_type PcapSource::IEEE80211Carrier() {
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int ch = FetchChannel();
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@@ -1609,7 +1651,7 @@
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int monitor_wrt54g(const char *in_dev, int initch, char *in_err, void **in_if, void *in_ext) {
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char cmdline[2048];
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- snprintf(cmdline, 2048, "/usr/sbin/wl monitor 1");
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+ snprintf(cmdline, 2048, "/usr/sbin/iwpriv %s set_monitor 1", in_dev);
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if (RunSysCmd(cmdline) < 0) {
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snprintf(in_err, 1024, "Unable to execute '%s'", cmdline);
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return -1;
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diff -urN kismet.old/pcapsource.h kismet.dev/pcapsource.h
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--- kismet.old/pcapsource.h 2005-04-03 07:33:42.000000000 +0200
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+++ kismet.dev/pcapsource.h 2005-07-25 12:49:22.089428064 +0200
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@@ -250,11 +250,13 @@
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// Override packet fetching logic on this one to discard jumbo corrupt packets
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// that it likes to generate
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+// Override OpenSource() to use prism0 as pcap device
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class PcapSourceWrt54g : public PcapSource {
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public:
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PcapSourceWrt54g(string in_name, string in_dev) : PcapSource(in_name, in_dev) {
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fcsbytes = 4;
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}
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+ int OpenSource();
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int FetchPacket(kis_packet *packet, uint8_t *data, uint8_t *moddata);
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protected:
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carrier_type IEEE80211Carrier();
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