perror gives : Invalid argument (errno 22) On Fri, Oct 7, 2011 at 12:14 PM, Nikolay S. <nowhere@xxxxxxxxxxxxxxxx> wrote: > В Птн, 07/10/2011 в 11:55 +0530, Prashant Batra пишет: >> On Fri, Oct 7, 2011 at 10:39 AM, Nikolay S. <nowhere@xxxxxxxxxxxxxxxx> wrote: >> > В Птн, 07/10/2011 в 10:29 +0530, Prashant Batra пишет: >> >> Hello, >> >> >> >> Can anyone help me out with a working code sample for receiving >> >> filtered packets using NETLINK_FIREWALL protocol in the user space. >> >> I have tried out the things in "http://smacked.org/docs/netlink.pdf"; >> >> But these are not working. >> >> >> >> Any help would be highly appreciated. >> > >> > Hi, ip_queue is considered deprecated. >> > Try this instead >> > http://www.netfilter.org/projects/libnetfilter_queue/index.html >> > >> Thanks Nikolay, I have installed libnetfilter_queue. >> But now when I am trying to run the sameple provided "nfqnl_test.c" it >> is failing at trying to unbind AF_INET moudule "unbinding existing >> nf_queue handler for AF_INET". >> My kernel is 2.6.38 and the lsmod looks like this - >> >> Module Size Used by >> nfnetlink_queue 17273 0 >> nfnetlink 12786 1 nfnetlink_queue >> ip_queue 12869 0 >> hmac 12649 0 >> nfs 281445 2 >> nfsd 246977 8 >> lockd 70662 2 nfs,nfsd >> nfs_acl 12501 2 nfs,nfsd >> auth_rpcgss 36685 2 nfs,nfsd >> sunrpc 174292 19 nfs,nfsd,lockd,nfs_acl,auth_rpcgss >> exportfs 12603 1 nfsd >> autofs4 27554 2 >> af_packet 26084 2 >> pcspkr 12515 0 >> igb 101765 0 >> ixgbe 125623 0 >> mdio 12552 1 ixgbe >> bnx2 72220 0 >> i2c_i801 17021 0 >> i2c_core 23154 1 i2c_i801 >> pata_acpi 12664 0 >> ata_generic 12469 0 >> sr_mod 21697 0 >> cdrom 40849 1 sr_mod >> iTCO_wdt 17018 0 >> joydev 17402 0 >> usb_storage 35510 0 >> usb_libusual 16728 1 usb_storage >> option 20689 0 >> usb_wwan 17188 1 option >> usbserial 31523 2 option,usb_wwan >> usbhid 26894 0 >> ehci_hcd 44245 0 >> uhci_hcd 27054 0 >> usbcore 117975 9 >> usb_storage,usb_libusual,option,usb_wwan,usbserial,usbhid,ehci_hcd,uhci_hcd >> dm_mod 67615 0 >> sctp 178747 6 >> crc32c 12630 1 >> libcrc32c 12394 1 sctp >> ext3 124843 1 >> jbd 45806 1 ext3 >> mbcache 12890 1 ext3 >> unix 26736 27 >> aacraid 70536 0 >> ata_piix 25526 2 >> libata 163811 3 pata_acpi,ata_generic,ata_piix >> sd_mod 34830 3 >> cciss 99716 0 >> aic7xxx 120611 0 >> megaraid_sas 71987 0 >> megaraid_mbox 35020 0 >> megaraid_mm 17163 1 megaraid_mbox >> mptsas 48651 0 >> scsi_transport_sas 24478 1 mptsas >> mptspi 17848 0 >> scsi_transport_spi 23215 2 aic7xxx,mptspi >> mptscsih 26812 2 mptsas,mptspi >> mptbase 65266 3 mptsas,mptspi,mptscsih >> scsi_mod 135240 14 >> sr_mod,usb_storage,aacraid,libata,sd_mod,cciss,aic7xxx,megaraid_sas,megaraid_mbox,mptsas,scsi_transport_sas >> ,mptspi,scsi_transport_spi,mptscsih >> >> Could you please point out the problem. > > What is the errno value? > You can use perror() to see helpful error message > > >> >> >> > There are also several useful examples >> > http://www.netfilter.org/projects/libnetfilter_queue/doxygen/modules.html >> > >> > >> >> -- Thanks >> >> Prashant Batra >> >> -- >> >> To unsubscribe from this list: send the line "unsubscribe netfilter" in >> >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > >> > >> > >> >> >> > > > -- Prashant Batra Follow the dreams!! ��.n��������+%������w��{.n����z���)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
