| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc | 62 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh | 3 |
2 files changed, 60 insertions, 5 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc index d462488..def1a4b 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc @@ -1,81 +1,133 @@ /* * Set card modes for sniffing * * $Id$ */ #include "cardmode.hh" #include "wl_log.hh" /* main card into monitor function */ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype) { char CiscoRFMON[35] = "/proc/driver/aironet/"; FILE *CISCO_CONFIG_FILE; /* Checks if we have a device to sniff on */ if(device == NULL) { wl_logerr("No device given"); return 0; } /* Setting the promiscous and up flag to the interface */ if (!card_set_promisc_up(device)) { wl_logerr("Cannot set interface to promisc mode: %s", strerror(errno)); return 0; } wl_loginfo("Interface set to promisc mode"); /* Check the cardtype and executes the commands to go into monitor mode */ if (cardtype == CARD_TYPE_CISCO) { /* bring the sniffer into rfmon mode */ snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device); if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL) { wl_logerr("Cannot open config file: %s", strerror(errno)); return 0; } fputs ("Mode: r",CISCO_CONFIG_FILE); fputs ("Mode: y",CISCO_CONFIG_FILE); fputs ("XmitPower: 1",CISCO_CONFIG_FILE); fclose(CISCO_CONFIG_FILE); } else if (cardtype == CARD_TYPE_NG) { char wlanngcmd[62]; snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "%s %s lnxreq_wlansniff channel=1 enable=true", WLANCTL_PATH, device); if (system(wlanngcmd) != 0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_HOSTAP) { wl_logerr("Got a host-ap card, nothing is implemented now"); char hostapcmd[250]; snprintf(hostapcmd, sizeof(hostapcmd) -1, "%s %s monitor 2", IWPRIV_PATH, device); if (system(hostapcmd) !=0) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } return 1; } /* Set card into promisc mode */ int card_set_promisc_up (const char *device) { - char ifconfigcmd[48]; - int retval=0; + struct ifconf ifc; + struct ifreq ifr_x[50]; + u_int i; + int sockfd, err; + err=0; + /* opening a socket for issuing the iocalls */ + sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); - snprintf(ifconfigcmd, sizeof(ifconfigcmd) - 1, SBIN_PATH, device); - retval = system(ifconfigcmd); + if (sockfd < 0) + { + /* In case of an error - mjm proove that please*/ + perror("socket"); + return 1; + } + /* Define room for 50 interfaces */ + ifc.ifc_len = 50 * sizeof(struct ifreq); + ifc.ifc_req = ifr_x; + /* Get the config of the interfaces */ + err = ioctl(sockfd, SIOCGIFCONF, &ifc); + if (err == -1) return 1; - return (retval ? 0 : 1); + /* For each interface*/ + for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++) + { + /* To complete , should get the IP, if no is assigned, asign one */ + /*err = ioctl(sockfd, SIOCGIFADDR, &ifr_x[i]); + if (err == -1) perror("SIOCGIFADDR: "); + printf ("Address: %s\n",Sock_ntop_host(ifr_x[i].ifr_addr.sa_family,sizeof(ifr_x[i].ifr_addr.sa_family))); + */ + if(strncmp(ifr_x[i].ifr_name,device,5) == 0) + { + /* Get the flags */ + err = ioctl(sockfd, SIOCGIFFLAGS, &ifr_x[i]); + if (err == -1) + { + perror("SIOCGIFFLAGS: "); + return 1; + } + /* Check if the Interface is UP and PROMISC */ + if (ifr_x[i].ifr_flags & IFF_PROMISC && ifr_x[i].ifr_flags & IFF_UP) + { + /* only debug text */ + printf ("%s is PROMISC and UP \n",ifr_x[i].ifr_name); + } + else + { + /* Set the promisc flag to the interface */ + ifr_x[i].ifr_flags=ifr_x[i].ifr_flags+IFF_PROMISC; + err = ioctl(sockfd, SIOCSIFFLAGS, &ifr_x[i]); + if (err == -1) + { + /* Could not set the interface into promisc mode */ + perror("SIOCSIFFLAGS: "); + } + } + } + } + /* All is fine */ + return 0; } diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh index 9721b39..7678202 100644 --- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh +++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.hh @@ -1,37 +1,40 @@ /* $Id$ */ #ifndef CARDMODE_HH #define CARDMODE_HH #include <string.h> #include <stdlib.h> #include <errno.h> #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> +#include <sys/ioctl.h> +#include <linux/if.h> + extern "C" { #include <net/bpf.h> #include <pcap.h> } /* Defines, used for the card setup */ #define DEFAULT_PATH "/proc/driver/aironet/%s/Config" #define CARD_TYPE_CISCO 1 #define CARD_TYPE_NG 2 #define CARD_TYPE_HOSTAP 3 /* only for now, until we have the daemon running */ /*the config file should provide these information */ #define CARD_TYPE CARD_TYPE_HOSTAP #define SBIN_PATH "/sbin/ifconfig %s promisc up" #define WLANCTL_PATH "/sbin/wlanctl-ng" #define IWPRIV_PATH "/sbin/iwpriv" /* Prototypes */ int card_into_monitormode (pcap_t **, char *, int); int card_set_promisc_up (const char *); #endif /* CARDMODE_HH */ |