From 0672b5981e313e1db94f7c1ff11604303e968173 Mon Sep 17 00:00:00 2001 From: nbd Date: Mon, 25 Jul 2005 07:34:42 +0000 Subject: [PATCH] change wrt54g packet source to automatically switch to monitor mode without wl, add channel hopping support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1548 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- openwrt/package/kismet/files/kismet.conf | 4 +- .../package/kismet/files/kismet_drone.conf | 4 +- .../kismet/patches/130-wrt54g_source.patch | 109 ++++++++++++++++++ 3 files changed, 115 insertions(+), 2 deletions(-) create mode 100644 openwrt/package/kismet/patches/130-wrt54g_source.patch diff --git a/openwrt/package/kismet/files/kismet.conf b/openwrt/package/kismet/files/kismet.conf index 1f750a60c..a417d2885 100644 --- a/openwrt/package/kismet/files/kismet.conf +++ b/openwrt/package/kismet/files/kismet.conf @@ -18,7 +18,9 @@ suiduser=nobody # The initial channel is optional, if hopping is not enabled it can be used # to set the channel the interface listens on. # YOU MUST CHANGE THIS TO BE THE SOURCE YOU WANT TO USE -source=wrt54g,prism0,wireless +source=wrt54g,eth1,wireless +# For v1 hardware uncomment this: +# source=wrt54g,eth2,wireless # Comma-separated list of sources to enable. This is only needed if you defined # multiple sources and only want to enable some of them. By default, all defined diff --git a/openwrt/package/kismet/files/kismet_drone.conf b/openwrt/package/kismet/files/kismet_drone.conf index a48547133..901b5b83e 100644 --- a/openwrt/package/kismet/files/kismet_drone.conf +++ b/openwrt/package/kismet/files/kismet_drone.conf @@ -48,7 +48,9 @@ maxclients=5 # enablesources line to enable them. For example: # source=prism2,wlan0,prism # source=cisco,eth0,cisco -source=wrt54g,prism0,wireless +source=wrt54g,eth1,wireless +# For v1 hardware uncomment this: +# source=wrt54g,eth2,wireless # Comma-separated list of sources to enable. This is only needed if you wish # to selectively enable multiple sources. diff --git a/openwrt/package/kismet/patches/130-wrt54g_source.patch b/openwrt/package/kismet/patches/130-wrt54g_source.patch new file mode 100644 index 000000000..9192224c6 --- /dev/null +++ b/openwrt/package/kismet/patches/130-wrt54g_source.patch @@ -0,0 +1,109 @@ +diff -urN kismet.old/kis_packsources.cc kismet.dev/kis_packsources.cc +--- kismet.old/kis_packsources.cc 2005-07-25 12:18:47.230369000 +0200 ++++ kismet.dev/kis_packsources.cc 2005-07-25 12:54:44.654390736 +0200 +@@ -165,7 +165,7 @@ + chancontrol_wlanng_avs, 1); + sourcetracker->RegisterPacketsource("wrt54g", 1, "na", 0, + pcapsource_wrt54g_registrant, +- monitor_wrt54g, NULL, NULL, 0); ++ monitor_wrt54g, NULL, chancontrol_wext, 1); + #else + REG_EMPTY_CARD(sourcetracker, "wlanng"); + REG_EMPTY_CARD(sourcetracker, "wlanng_avs"); +diff -urN kismet.old/packetsourcetracker.cc kismet.dev/packetsourcetracker.cc +--- kismet.old/packetsourcetracker.cc 2005-04-03 07:33:42.000000000 +0200 ++++ kismet.dev/packetsourcetracker.cc 2005-07-25 13:29:45.698983408 +0200 +@@ -978,6 +978,7 @@ + (meta_packsources[chanpak.meta_num]->device.c_str(), + chanpak.channel, errstr, + (void *) (meta_packsources[chanpak.meta_num]->capsource)) < 0) { ++#if 0 + + meta_packsources[chanpak.meta_num]->consec_errors++; + +@@ -999,6 +1000,7 @@ + CHANFLAG_FATAL)); + continue; + } ++#endif + } else { + // Otherwise reset the error count + meta_packsources[chanpak.meta_num]->consec_errors = 0; +diff -urN kismet.old/pcapsource.cc kismet.dev/pcapsource.cc +--- kismet.old/pcapsource.cc 2005-07-25 12:18:47.234368000 +0200 ++++ kismet.dev/pcapsource.cc 2005-07-25 12:51:19.426590104 +0200 +@@ -140,6 +140,48 @@ + return 1; + } + ++ ++// Open a source ++int PcapSourceWrt54g::OpenSource() { ++ channel = 0; ++ ++ errstr[0] = '\0'; ++ ++ char *unconst = strdup("prism0"); ++ ++ pd = pcap_open_live(unconst, MAX_PACKET_LEN, 1, 1000, errstr); ++ ++ free(unconst); ++ ++ if (strlen(errstr) > 0) ++ return -1; // Error is already in errstr ++ ++ paused = 0; ++ ++ errstr[0] = '\0'; ++ ++ num_packets = 0; ++ ++ if (DatalinkType() < 0) ++ return -1; ++ ++#ifdef HAVE_PCAP_NONBLOCK ++ pcap_setnonblock(pd, 1, errstr); ++#elif !defined(SYS_OPENBSD) ++ // do something clever (Thanks to Guy Harris for suggesting this). ++ int save_mode = fcntl(pcap_get_selectable_fd(pd), F_GETFL, 0); ++ if (fcntl(pcap_get_selectable_fd(pd), F_SETFL, save_mode | O_NONBLOCK) < 0) { ++ snprintf(errstr, 1024, "fcntl failed, errno %d (%s)", ++ errno, strerror(errno)); ++ } ++#endif ++ ++ if (strlen(errstr) > 0) ++ return -1; // Ditto ++ ++ return 1; ++} ++ + // Datalink, override as appropriate + carrier_type PcapSource::IEEE80211Carrier() { + int ch = FetchChannel(); +@@ -1609,7 +1651,7 @@ + int monitor_wrt54g(const char *in_dev, int initch, char *in_err, void **in_if, void *in_ext) { + char cmdline[2048]; + +- snprintf(cmdline, 2048, "/usr/sbin/wl monitor 1"); ++ snprintf(cmdline, 2048, "/usr/sbin/iwpriv %s set_monitor 1", in_dev); + if (RunSysCmd(cmdline) < 0) { + snprintf(in_err, 1024, "Unable to execute '%s'", cmdline); + return -1; +diff -urN kismet.old/pcapsource.h kismet.dev/pcapsource.h +--- kismet.old/pcapsource.h 2005-04-03 07:33:42.000000000 +0200 ++++ kismet.dev/pcapsource.h 2005-07-25 12:49:22.089428064 +0200 +@@ -250,11 +250,13 @@ + + // Override packet fetching logic on this one to discard jumbo corrupt packets + // that it likes to generate ++// Override OpenSource() to use prism0 as pcap device + class PcapSourceWrt54g : public PcapSource { + public: + PcapSourceWrt54g(string in_name, string in_dev) : PcapSource(in_name, in_dev) { + fcsbytes = 4; + } ++ int OpenSource(); + int FetchPacket(kis_packet *packet, uint8_t *data, uint8_t *moddata); + protected: + carrier_type IEEE80211Carrier();