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hcxdumptool.c
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#define _GNU_SOURCE
#include <ctype.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdbool.h>
#include <dirent.h>
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <limits.h>
#include <time.h>
#include <signal.h>
#include <unistd.h>
#include <inttypes.h>
#include <linux/version.h>
#include <linux/ethtool.h>
#include <linux/sockios.h>
#include <linux/if_packet.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <linux/if_ether.h>
#include <linux/filter.h>
#ifdef __ANDROID__
#include <libgen.h>
#include "include/android-ifaddrs/ifaddrs.h"
#include "include/android-ifaddrs/ifaddrs.c"
#else
#include <ifaddrs.h>
#endif
#include <net/if.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include "include/hcxdumptool.h"
#include "include/rpigpio.h"
#include "include/wireless-lite.h"
#include "include/byteops.c"
#include "include/ieee80211.c"
#include "include/pcap.c"
#include "include/strings.c"
#include "include/hashops.c"
/*===========================================================================*/
/* global var */
static char *pcapngoutname;
static char *gpsname;
static char *filteraplistname;
static char *filterclientlistname;
static char *bpfcname;
static char *extaplistname;
static char *extapwpaentlistname;
static char *eapservercertname;
static char *eapserverkeyname;
static int opensslversionmajor;
static int opensslversionminor;
static SSL_CTX *tlsctx;
static eaptlsctx_t *eaptlsctx;
static fscanlist_t *ptrfscanlist;
static int fd_socket;
static int fd_gps;
static int fd_pcapng;
static int fd_socket_mccli;
static int fd_devnull;
static char *mcip;
static struct ip_mreq mcmreq;
static int fd_socket_mcsrv;
static struct sockaddr_in mcsrvaddress;
static struct sockaddr_in srvaddress;
static int fd_socket_srv;
static int interfacetxpwr;
static FILE *fh_nmea;
static struct ifreq ifr_old;
static struct iwreq iwr_old;
static bool forceinterfaceflag;
static bool targetscanflag;
static bool totflag;
static bool poweroffflag;
static bool rebootflag;
static bool wantstopflag;
static bool reloadfilesflag;
static bool beaconactiveflag;
static bool beaconfloodflag;
static bool gpsdflag;
static bool infinityflag;
static bool wpaentflag;
static bool eapreqflag;
static bool eapreqfollownakflag;
static bool eaptunflag;
static bool packetsentflag;
static int sl;
static int errorcount;
static int maxerrorcount;
static int radiotaperrorcount;
static int gpserrorcount;
static int pmkidcount;
static int pmkidroguecount;
static int eapolmp12count;
static int eapolmp12roguecount;
static int eapolmp23count;
static int eapolmp34count;
static int eapolmp34zeroedcount;
static int owm1m2roguemax;
static int gpscount;
static int rcaorder;
static unsigned int injectionhit;
static unsigned int responsehit;
static unsigned int injectioncount;
static unsigned int injectionratio;
static unsigned long int rpisn;
static int gpiostatusled;
static int gpiobutton;
static int gpiostatusledflashinterval;
static struct timespec sleepled;
static struct timespec sleepled2;
static struct timeval tv;
static time_t tvlast_sec;
static struct timeval tvold;
static struct timeval tvtot;
static struct timeval tvpacketsent;
static uint32_t staytime;
static uint16_t reasoncode;
static uint32_t attackcount;
static uint32_t attackstopcount;
static uint32_t attackresumecount;
static uint64_t timestamp;
static uint64_t timestampstart;
static uint64_t mytime;
static rth_t *rth;
static uint64_t incomingcount;
static uint64_t outgoingcount;
static uint32_t packetlenown;
static uint8_t *packetoutptr;
static uint8_t *packetptr;
static int packetlen;
static uint8_t *ieee82011ptr;
static uint32_t ieee82011len;
static uint8_t *llcptr;
static llc_t *llc;
static uint8_t *mpduptr;
static mpdu_t *mpdu;
static bool qosflag;
static int nmeatemplen;
static int nmealen;
static mac_t *macfrx;
static uint8_t *payloadptr;
static uint32_t payloadlen;
static int packetsentlen;
static uint8_t packetsenttries;
static maclist_t *filteraplist;
static maclist_t *filterclientlist;
static macessidlist_t *aplist;
static macessidlist_t *rglist;
static macessidlist_t *rgbeaconptr;
static macessidlist_t *rgbeaconlist;
static macessidlist_t *rgbeaconlistptr;
static ownlist_t *ownlist;
static pmklist_t *pmklist;
static pagidlist_t *pagidlist;
static scanlist_t *scanlist;
static eapreqlist_t *eapreqlist;
static int scanlistmax;
static int filteraplistentries;
static int filterclientlistentries;
static int filtermode;
static uint8_t fimacapsize;
static uint8_t fimacclientsize;
static int myreactivebeaconsequence;
static int eapreqentries;
static struct sock_fprog bpf;
static int aktchannel;
static uint16_t myapsequence;
static uint16_t myclientsequence;
static uint16_t mydeauthenticationsequence;
static uint16_t mydisassociationsequence;
static uint16_t beaconextlistlen;
static uint64_t eapoltimeoutvalue;
static uint64_t eapoleaptimeoutvalue;
static uint32_t statusout;
static uint32_t attackstatus;
static uint32_t pcapngframesout;
static enhanced_packet_block_t *epbhdr;
static enhanced_packet_block_t *epbhdrown;
static uint8_t weakcandidatelen;
static const char notavailablestr[] = "N/A";
static uint8_t hdradiotap[] =
{
0x00, 0x00, /* radiotap version and padding */
0x0c, 0x00, /* radiotap header length */
0x06, 0x80, 0x00, 0x00, /* bitmap */
0x00, /* all cleared */
0x02, /* rate */
0x18, 0x00 /* tx flags */
};
#define HDRRT_SIZE sizeof(hdradiotap)
static uint8_t hdradiotap_ack[] =
{
0x00, 0x00, /* radiotap version and padding */
0x0c, 0x00, /* radiotap header length */
0x06, 0x80, 0x00, 0x00, /* bitmap */
0x00, /* all cleared */
0x02, /* rate */
0x00, 0x00 /* tx flags */
};
#define HDRRTACK_SIZE sizeof(hdradiotap)
const char *channelscanlist1 = "1,6,11,3,5,1,6,11,2,4,1,6,11,7,9,1,6,11,8,10,1,6,11,12,13";
const char *channelscanlist2 = "1,2,3,4,5,6,7,8,9,10,11,12,13";
const char *channelscanlist3 = "36,40,44,48,52,56,60,64,100,104,108,112,116,120,124,128,132,136,140,144,149,153,157,161,165";
const char *channelscanlist4 = "1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64,100,104,108,112,116,120,124,128,132,136,140,144,149,153,157,161,165";
static char phyinterfacename[PHYIFNAMESIZE +1];
static char interfacename[IFNAMSIZ +1];
static fscanlist_t fscanlist[FSCANLIST_MAX +1];
static uint8_t myessid[] = { "home" };
static const char weakcandidatedefault[] = { "12345678" };
static char interfaceprotocol[IFNAMSIZ +1];
static char rssi;
static uint32_t myoui_client;
static uint32_t myoui_ap;
static uint32_t mynic_ap;
static char drivername[256];
static char driverversion[34];
static char driverfwversion[ETHTOOL_FWVERS_LEN +2];
static uint8_t mac_orig[6];
static uint8_t mac_virt[6];
static uint8_t mac_myclient[6];
static uint8_t mac_myprclient[6];
static uint8_t mac_myaphidden[6];
static uint8_t mac_myapopen[6];
static uint8_t mac_myap[6];
static uint64_t myrc;
static uint8_t myanonce[32];
static uint8_t mysnonce[32];
static char weakcandidate[64];
static uint8_t epb[PCAPNG_MAXSNAPLEN *2];
static uint8_t epbown[PCAPNG_MAXSNAPLEN *2];
static uint8_t packetsent[PCAPNG_MAXSNAPLEN *2];
static uint64_t lasttimestamp;
static uint8_t lastclient[6];
static uint8_t lastap[6];
static uint64_t lastrc;
static uint8_t lastkeyinfo;
static uint8_t lastkeyver;
static uint8_t lastanonce[32];
static uint8_t lastsnonce[32];
static uint64_t lastauthtimestamp;
static uint8_t lastauthclient[6];
static uint8_t lastauthap[6];
static uint8_t lastauthkeyver;
static char nmeatempsentence[NMEA_MAX];
static char nmeasentence[NMEA_MAX];
static char servermsg[SERVERMSG_MAX];
#ifdef DEBUG_TLS
static char debugmsg[DEBUGMSG_MAX];
#endif
static uint8_t reactivebeacondata[BEACONBODY_LEN_MAX];
static size_t reactivebeacondatalen;
static int reactivebeacondatachanoffset;
static uint8_t reactivebeaconwpaentdata[BEACONBODY_LEN_MAX];
static size_t reactivebeaconwpaentdatalen;
static int reactivebeaconwpaentdatachanoffset;
static uint8_t bcbeacondatahidden[BEACONBODY_LEN_MAX];
static size_t bcbeacondatahiddenlen;
static int bcbeacondatahiddenchanoffset;
static uint8_t bcbeacondataopen[BEACONBODY_LEN_MAX];
static size_t bcbeacondataopenlen;
static int bcbeacondataopenchanoffset;
/*===========================================================================*/
/*===========================================================================*/
static inline void debugprint2(int len, uint8_t *ptr1, uint8_t *ptr2, char *mesg)
{
static int p;
fprintf(stdout, "\n%s ", mesg);
for(p = 0; p < len; p++)
{
fprintf(stdout, "%02x", ptr1[p]);
}
fprintf(stdout, " ");
for(p = 0; p < len; p++)
{
fprintf(stdout, "%02x", ptr2[p]);
}
fprintf(stdout, "\n");
return;
}
/*===========================================================================*/
static inline void debugprint(int len, uint8_t *ptr, char *mesg)
{
static int p;
if(mesg != NULL) fprintf(stdout, "%s ", mesg);
for(p = 0; p < len; p++)
{
fprintf(stdout, "%02x", ptr[p]);
}
fprintf(stdout, "\n");
return;
}
/*===========================================================================*/
static inline void serversendstatus(char *text, int len)
{
static int written;
static uint8_t msgtype;
static struct msghdr msg;
static struct iovec iov[2];
if(!(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0))) return;
msgtype = SERVERMSG_TYPE_STATUS;
iov[0].iov_base = (void*)&msgtype;
iov[0].iov_len = sizeof(msgtype);
msg.msg_iov = iov;
msg.msg_iovlen = 2;
msg.msg_name = (struct sockaddr*)&mcsrvaddress;
msg.msg_namelen = sizeof(mcsrvaddress);
while(len > 0)
{
iov[1].iov_base = (void*)text;
if(len > (SERVERMSG_MAX -SERVERMSG_HEAD_SIZE))
iov[1].iov_len = (SERVERMSG_MAX -SERVERMSG_HEAD_SIZE);
else iov[1].iov_len = len;
written = sendmsg(fd_socket_mcsrv, &msg, 0);
if(written != (len +SERVERMSG_HEAD_SIZE)) errorcount++;
len -= iov[1].iov_len;
text = &text[iov[1].iov_len];
}
return;
}
/*===========================================================================*/
static inline void serversendpcapng(uint8_t *pcapng, int len)
{
static int written;
static int i;
static uint8_t msgtype;
static struct msghdr msg;
static struct iovec iov[2];
if(!(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0))) return;
msgtype = SERVERMSG_TYPE_PCAPNG;
iov[0].iov_base = (void*)&msgtype;
iov[0].iov_len = sizeof(msgtype);
msg.msg_iov = iov;
msg.msg_iovlen = 2;
msg.msg_name = (struct sockaddr*)&mcsrvaddress;
msg.msg_namelen = sizeof(mcsrvaddress);
i=0;
while(len > 0)
{
i++;
iov[1].iov_base = (void*)pcapng;
if(len > (SERVERMSG_MAX -SERVERMSG_HEAD_SIZE))
iov[1].iov_len = (SERVERMSG_MAX -SERVERMSG_HEAD_SIZE);
else iov[1].iov_len = len;
written = sendmsg(fd_socket_mcsrv, &msg, 0);
if(written != (len +SERVERMSG_HEAD_SIZE)) errorcount++;
len -= iov[1].iov_len;
pcapng = &pcapng[iov[1].iov_len];
}
return;
}
/*===========================================================================*/
static inline void clientrequestpcapnghead(struct sockaddr *sockaddrFrom, int sockaddrFrom_len)
{
static int written;
static uint8_t clientstatus[2];
clientstatus[0] = SERVERMSG_TYPE_CONTROL;
clientstatus[1] = SERVERMSG_CONTROL_SENDPCAPNGHEAD;
written = sendto(fd_socket_mccli, clientstatus, 2, 0, (struct sockaddr*)sockaddrFrom, sockaddrFrom_len);
if(written != (SERVERMSG_HEAD_SIZE +1))
{
perror("clientpcapngheadrequest failed");
errorcount++;
}
}
/*===========================================================================*/
static inline bool ismulticastip(char *ip)
{
return ((ntohl(inet_addr(ip)) & 0xf0000000) == 0xe0000000);
}
/*===========================================================================*/
/*===========================================================================*/
__attribute__ ((noreturn))
static void globalclose()
{
static struct ifreq ifr;
static const char *gpsd_disable = "?WATCH={\"enable\":false}";
fprintf(stdout, "\nterminating...\e[?25h\n");
sync();
errorcount -= radiotaperrorcount;
errorcount -= gpserrorcount;
if(errorcount == 1) fprintf(stdout, "%d driver error encountered\nusually this error is related to pselect() after SIGTERM has been received\n", errorcount);
if(errorcount > 1) fprintf(stdout, "%d driver errors encountered\n", errorcount);
if(radiotaperrorcount == 1) fprintf(stdout, "%d radiotap error encountered\n", radiotaperrorcount);
if(radiotaperrorcount > 1) fprintf(stdout, "%d radiotap errors encountered\n", radiotaperrorcount);
if(gpserrorcount == 1) fprintf(stdout, "%d GPS error encountered\n", gpserrorcount);
if(gpserrorcount > 1) fprintf(stdout, "%d GPS errors encountered\n", gpserrorcount);
if((errorcount > 0) && (errorcount < 10)) fprintf(stdout, "ERRORs < 10 are related to a slow initialization and can be ignored\n");
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus("bye bye hcxdumptool clients...\n", sizeof ("bye bye hcxdumptool clients...\n"));
if(gpiostatusled > 0)
{
GPIO_CLR = 1 << gpiostatusled;
nanosleep(&sleepled, NULL);
GPIO_SET = 1 << gpiostatusled;
nanosleep(&sleepled, NULL);
GPIO_CLR = 1 << gpiostatusled;
nanosleep(&sleepled, NULL);
GPIO_SET = 1 << gpiostatusled;
nanosleep(&sleepled, NULL);
}
if(fd_socket > 0)
{
if(bpf.filter != NULL)
{
if(setsockopt(fd_socket, SOL_SOCKET, SO_DETACH_FILTER, &bpf, sizeof(bpf)) < 0) perror("failed to free BPF code");
}
memset(&ifr, 0, sizeof(ifr));
memcpy(&ifr.ifr_name, interfacename, IFNAMSIZ);
if(ioctl(fd_socket, SIOCGIFFLAGS, &ifr) < 0) perror("failed to get interface information");
ifr.ifr_flags = 0;
if(ioctl(fd_socket, SIOCSIFFLAGS, &ifr) < 0) perror("failed to set interface down");
if(ioctl(fd_socket, SIOCSIWMODE, &iwr_old) < 0) perror("failed to restore old SIOCSIWMODE");
if(ioctl(fd_socket, SIOCSIFFLAGS, &ifr_old) < 0) perror("failed to restore old SIOCSIFFLAGS and to bring interface up");
if(close(fd_socket) != 0) perror("failed to close raw socket");
}
if(fd_gps > 0)
{
if(gpsdflag == true)
{
if(write(fd_gps, gpsd_disable, 23) != 23) perror("failed to terminate GPSD WATCH");
}
if(close(fd_gps) != 0) perror("failed to close GPS device");
}
if(fd_socket_mccli > 0)
{
if(ismulticastip(mcip) == true)
{
memset(&mcmreq, 0, sizeof(mcmreq));
mcmreq.imr_multiaddr.s_addr = inet_addr(mcip);
mcmreq.imr_interface.s_addr = htonl(INADDR_ANY);
if(setsockopt(fd_socket_mccli, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mcmreq, sizeof(mcmreq)) < 0) perror("failed to drop ip-membership");
}
if(close(fd_socket_mccli) != 0) perror("failed to close client socket");
}
if(fd_socket_mcsrv > 0)
{
if(close(fd_socket_mcsrv) != 0) perror("failed to close server socket");
}
if((fd_pcapng > 0) && (pcapngoutname != NULL) && (fd_pcapng != fd_socket_mcsrv))
{
if(close(fd_pcapng) != 0) perror("failed to close PCAPNG dump file");
}
if(fh_nmea != NULL)
{
if(fclose(fh_nmea) != 0) perror("failed to close NMEA 0183 dump file");
}
if(filteraplist != NULL) free(filteraplist);
if(filterclientlist != NULL) free(filterclientlist);
if(aplist != NULL) free(aplist);
if(rglist != NULL) free(rglist);
if(rgbeaconlist != NULL) free(rgbeaconlist);
if(ownlist != NULL) free(ownlist);
if(pmklist != NULL) free(pmklist);
if(pagidlist != NULL) free(pagidlist);
if(scanlist != NULL) free(scanlist);
if(bpf.filter != NULL) free(bpf.filter);
if(eaptlsctx != NULL)
{
if(eaptlsctx->ssl != NULL) SSL_free(eaptlsctx->ssl);
free(eaptlsctx);
}
if(poweroffflag == true)
{
if(system("poweroff") != 0)
{
fprintf(stderr, "can't power off\n");
exit(EXIT_FAILURE);
}
}
if(rebootflag == true)
{
if(system("reboot") != 0)
{
fprintf(stderr, "can't reboot\n");
exit(EXIT_FAILURE);
}
}
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
ERR_free_strings();
if(errorcount != 0) exit(EXIT_FAILURE);
if(totflag == true) exit(USER_EXIT_TOT);
exit(EXIT_SUCCESS);
}
/*===========================================================================*/
static inline void programmende(int signum)
{
if((signum == SIGINT) || (signum == SIGTERM) || (signum == SIGKILL)) wantstopflag = true;
return;
}
/*===========================================================================*/
/*===========================================================================*/
static inline void reloadfiles(int signum)
{
if((signum == SIGHUP) && (filteraplistname || filterclientlistname || bpfcname || extaplistname || extapwpaentlistname)) reloadfilesflag = true;
return;
}
/*===========================================================================*/
static inline size_t chop(char *buffer, size_t len)
{
static char *ptr;
ptr = buffer +len -1;
while(len)
{
if(*ptr != '\n') break;
*ptr-- = 0;
len--;
}
while(len)
{
if(*ptr != '\r') break;
*ptr-- = 0;
len--;
}
return len;
}
/*---------------------------------------------------------------------------*/
static inline int fgetline(FILE *inputstream, size_t size, char *buffer)
{
static size_t len;
static char *buffptr;
if(feof(inputstream)) return -1;
buffptr = fgets (buffer, size, inputstream);
if(buffptr == NULL) return -1;
len = strlen(buffptr);
len = chop(buffptr, len);
return len;
}
/*===========================================================================*/
static inline void readextbeaconlist(char *listname, uint16_t akm, bool reload)
{
static int len;
static FILE *fh_extbeacon;
static macessidlist_t *zeiger;
static macessidlist_t *list;
static char linein[ESSID_LEN_MAX];
bool skipline;
if((fh_extbeacon = fopen(listname, "r")) == NULL)
{
fprintf(stderr, "failed to open beacon list %s\n", listname);
return;
}
if(beaconactiveflag == true) list = rglist;
else
{
list = rgbeaconlist;
memset(rgbeaconlist, 0, RGLIST_MAX *MACESSIDLIST_SIZE);
}
zeiger = list;
if(reload == false)
{
for(; zeiger < list +RGLIST_MAX; zeiger++)
{
if(zeiger->timestamp == 0) break;
}
}
gettimeofday(&tv, NULL);
timestamp = ((uint64_t)tv.tv_sec *1000000) +tv.tv_usec -512;
while(beaconextlistlen < BEACONEXTLIST_MAX)
{
if((len = fgetline(fh_extbeacon, ESSID_LEN_MAX, linein)) == -1) break;
if((len == 0) || (len > 32)) continue;
if((reload == true) && (beaconactiveflag == true))
{
skipline = false;
for(zeiger = list; zeiger < list +RGLIST_MAX; zeiger++)
{
if(zeiger->timestamp == 0) break;
if(zeiger->essidlen != len) continue;
if(memcmp(zeiger->essid, linein, len) != 0) continue;
skipline = true;
break;
}
if(skipline == true) continue;
}
memset(zeiger, 0, MACESSIDLIST_SIZE);
zeiger->timestamp = timestamp;
zeiger->count = 1;
memcpy(zeiger->ap, &mac_myap, 3);
zeiger->ap[3] = (mynic_ap >> 16) & 0xff;
zeiger->ap[4] = (mynic_ap >> 8) & 0xff;
zeiger->ap[5] = mynic_ap & 0xff;
mynic_ap++;
zeiger->essidlen = len;
memcpy(zeiger->essid, linein, len);
zeiger->akm = akm;
timestamp++;
zeiger++;
beaconextlistlen++;
}
fclose(fh_extbeacon);
return;
}
/*===========================================================================*/
static inline int readmaclist(char *listname, maclist_t *maclist, uint8_t filtermacsize)
{
static int len;
static int c, i, o;
static int entries;
static maclist_t *zeiger;
static FILE *fh_filter;
static char linein[FILTERLIST_LINE_LEN];
entries = 0;
c = 0;
zeiger = maclist;
if((fh_filter = fopen(listname, "r")) == NULL)
{
len = strlen(listname);
if((len < (2 *filtermacsize)) || (len >= FILTERLIST_LINE_LEN))
{
fprintf(stderr, "failed to open filter list %s\n", listname);
return 0;
}
o = 0;
for(i = 0; i < len; i++)
{
if(isxdigit(listname[i]))
{
linein[o] = listname[i];
o++;
}
}
if(hex2bin(&linein[0x0], zeiger->mac, filtermacsize) == false)
{
fprintf(stderr, "failed to process filter MAC %s\n", listname);
return 0;
}
zeiger++;
entries++;
return entries;
}
while(entries < FILTERLIST_MAX)
{
if((len = fgetline(fh_filter, FILTERLIST_LINE_LEN, linein)) == -1) break;
if(len < (2 *filtermacsize))
{
c++;
continue;
}
if(linein[0x0] == '#')
{
c++;
continue;
}
o = 0;
for(i = 0; i < len; i++)
{
if(isxdigit(linein[i]))
{
linein[o] = linein[i];
o++;
}
}
if(hex2bin(&linein[0x0], zeiger->mac, filtermacsize) == true)
{
zeiger++;
entries++;
}
else fprintf(stderr, "failed to read filter list line %d: %s\n", c, linein);
c++;
}
qsort(maclist, entries, MACLIST_SIZE, sort_maclist);
fclose(fh_filter);
return entries;
}
/*===========================================================================*/
static inline void readbpfc(char *bpfname)
{
static int len;
static uint16_t c;
static struct sock_filter *zeiger;
static FILE *fh_filter;
static char linein[128];
if((fh_filter = fopen(bpfname, "r")) == NULL)
{
fprintf(stderr, "failed to open Berkeley Packet Filter list %s\n", bpfname);
return;
}
if((len = fgetline(fh_filter, 128, linein)) == -1)
{
fclose(fh_filter);
fprintf(stderr, "failed to read Berkeley Packet Filter array size\n");
return;
}
sscanf(linein, "%"SCNu16, &bpf.len);
if(bpf.len == 0)
{
fclose(fh_filter);
fprintf(stderr, "failed to read Berkeley Packet Filter array size\n");
return;
}
bpf.filter = (struct sock_filter*)calloc(bpf.len, sizeof(struct sock_filter));
c = 0;
zeiger = bpf.filter;
while(c < bpf.len)
{
if((len = fgetline(fh_filter, 128, linein)) == -1)
{
bpf.len = 0;
break;
}
sscanf(linein, "%" SCNu16 "%" SCNu8 "%" SCNu8 "%" SCNu32, &zeiger->code, &zeiger->jt, &zeiger->jf, &zeiger->k);
zeiger++;
c++;
}
if(bpf.len != c) fprintf(stderr, "failed to read Berkeley Packet Filter\n");
fclose(fh_filter);
return;
}
/*===========================================================================*/
static inline void loadfiles()
{
if((reloadfilesflag == true) && (fd_socket > 0) && (bpf.filter != NULL))
{
if(setsockopt(fd_socket, SOL_SOCKET, SO_DETACH_FILTER, &bpf, sizeof(bpf)) < 0) perror("failed to free BPF code");
if(bpf.filter != NULL) free(bpf.filter);
}
if(filteraplistname != NULL) filteraplistentries = readmaclist(filteraplistname, filteraplist, fimacapsize);
if(filterclientlistname != NULL) filterclientlistentries = readmaclist(filterclientlistname, filterclientlist, fimacclientsize);
if(bpfcname != NULL) readbpfc(bpfcname);
if(extaplistname != NULL) readextbeaconlist(extaplistname, TAK_PSK, reloadfilesflag);
if(extapwpaentlistname != NULL) readextbeaconlist(extapwpaentlistname, TAK_PMKSA, reloadfilesflag);
if(reloadfilesflag == true)
{
if(bpf.len > 0)
{
if(setsockopt(fd_socket, SOL_SOCKET, SO_ATTACH_FILTER, &bpf, sizeof(bpf)) < 0) perror("failed to set Berkeley Packet Filter");
}
reloadfilesflag = false;
}
return;
}
/*===========================================================================*/
/*===========================================================================*/
static inline void printreceivewatchdogwarnung()
{
static char timestring[16];
strftime(timestring, 16, "%H:%M:%S", localtime(&tv.tv_sec));
if(ptrfscanlist->channel >= 100) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d WARNING RECEIVE TIMEOUT: NO PACKETS RECEIVED SINC %ld SECONDS\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, tv.tv_sec -tvlast_sec);
else if(ptrfscanlist->channel >= 10) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d WARNING RECEIVE TIMEOUT: NO PACKETS RECEIVED SINC %ld SECONDS\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, tv.tv_sec -tvlast_sec);
else snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d WARNING RECEIVE TIMEOUT: NO PACKETS RECEIVED SINC %ld SECONDS\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, tv.tv_sec -tvlast_sec);
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus(servermsg, strlen(servermsg));
else fprintf(stdout, "%s", servermsg);
return;
}
/*===========================================================================*/
static inline void printtimestatus()
{
static char timestring[16];
strftime(timestring, 16, "%H:%M:%S", localtime(&tv.tv_sec));
if(ptrfscanlist->channel >= 100) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d ERROR:%d INCOMING:%" PRIu64 " AGE:%ld OUTGOING:%" PRIu64 " PMKIDROGUE:%d PMKID:%d M1M2ROGUE:%d M1M2:%d M2M3:%d M3M4:%d M3M4ZEROED:%d GPS:%d\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
errorcount, incomingcount, tv.tv_sec -tvlast_sec, outgoingcount, pmkidroguecount, pmkidcount, eapolmp12roguecount, eapolmp12count, eapolmp23count, eapolmp34count, eapolmp34zeroedcount, gpscount);
else if(ptrfscanlist->channel >= 10) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d ERROR:%d INCOMING:%" PRIu64 " AGE:%ld OUTGOING:%" PRIu64 " PMKIDROGUE:%d PMKID:%d M1M2ROGUE:%d M1M2:%d M2M3:%d M3M4:%d M3M4ZEROED:%d GPS:%d\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
errorcount, incomingcount, tv.tv_sec -tvlast_sec, outgoingcount, pmkidroguecount, pmkidcount, eapolmp12roguecount, eapolmp12count, eapolmp23count, eapolmp34count, eapolmp34zeroedcount, gpscount);
else snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d ERROR:%d INCOMING:%" PRIu64 " AGE:%ld OUTGOING:%" PRIu64 " PMKIDROGUE:%d PMKID:%d M1M2ROGUE:%d M1M2:%d M2M3:%d M3M4:%d M3M4ZEROED:%d GPS:%d\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
errorcount, incomingcount, tv.tv_sec -tvlast_sec, outgoingcount, pmkidroguecount, pmkidcount, eapolmp12roguecount, eapolmp12count, eapolmp23count, eapolmp34count, eapolmp34zeroedcount, gpscount);
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus(servermsg, strlen(servermsg));
else fprintf(stdout, "%s", servermsg);
return;
}
/*===========================================================================*/
static inline void printposition()
{
static char timestring[16];
strftime(timestring, 16, "%H:%M:%S", localtime(&tv.tv_sec));
if(ptrfscanlist->channel >= 100) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d INFO GPS:%s\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, &nmeasentence[7]);
else if(ptrfscanlist->channel >= 10) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d INFO GPS:%s\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, &nmeasentence[7]);
else snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d INFO GPS:%s\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel, &nmeasentence[7]);
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus(servermsg, strlen(servermsg));
else fprintf(stdout, "%s", servermsg);
return;
}
/*===========================================================================*/
static inline void printstatusap(uint8_t *toaddr, macessidlist_t *zeiger, char *msg)
{
static int p, c;
static char timestring[16];
static char essidstring[ESSID_LEN_MAX *2 +1];
strftime(timestring, 16, "%H:%M:%S", localtime(&tv.tv_sec));
if((zeiger->essidlen == 0) || (zeiger->essid[0] == 0))
{
if(ptrfscanlist->channel >= 100) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x [WILDCARD %s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], msg);
else if(ptrfscanlist->channel >= 10) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x [WILDCARD %s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], msg);
else snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x [WILDCARD %s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], msg);
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus(servermsg, strlen(servermsg));
else fprintf(stdout, "%s", servermsg);
return;
}
p = 0;
for(c = 0; c < zeiger->essidlen; c++)
{
if((zeiger->essid[c] < 0x20) || (zeiger->essid[c] > 0x7e)) essidstring[p++] = '.';
else if(zeiger->essid[c] == 0x5c)
{
essidstring[p++] = 0x5c;
essidstring[p++] = 0x5c;
}
else essidstring[p++] = zeiger->essid[c];
}
essidstring[p] = 0;
if(ptrfscanlist->channel >= 100) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x %s [%s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], essidstring, msg);
else if(ptrfscanlist->channel >= 10) snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x %s [%s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], essidstring, msg);
else snprintf(servermsg, SERVERMSG_MAX, "%s %d/%d %02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x %s [%s]\n", timestring, ptrfscanlist->frequency, ptrfscanlist->channel,
toaddr[0], toaddr[1], toaddr[2], toaddr[3], toaddr[4], toaddr[5],
zeiger->ap[0], zeiger->ap[1], zeiger->ap[2], zeiger->ap[3], zeiger->ap[4], zeiger->ap[5], essidstring, msg);
if(((statusout &STATUS_SERVER) == STATUS_SERVER) && (fd_socket_mcsrv > 0)) serversendstatus(servermsg, strlen(servermsg));
else fprintf(stdout, "%s", servermsg);
return;
}
/*===========================================================================*/
static void writegpwpl(uint8_t *mac)
{
static int c;
static int cs;
static char *gpwplptr;
static char gpwpl[NMEA_MAX];
static const char gpgga[] = "$GPGGA";
static const char gprmc[] = "$GPRMC";
if(nmealen < 30) return;
if(memcmp(&gpgga, &nmeasentence, 6) == 0) snprintf(gpwpl, NMEA_MAX-1, "$GPWPL,%.*s,%02x%02x%02x%02x%02x%02x*", 26, &nmeasentence[17], mac[0] , mac[1], mac[2], mac[3], mac[4], mac[5]);
else if(memcmp(&gprmc, &nmeasentence, 6) == 0) snprintf(gpwpl, NMEA_MAX-1, "$GPWPL,%.*s,%02x%02x%02x%02x%02x%02x*", 26, &nmeasentence[19], mac[0] , mac[1], mac[2], mac[3], mac[4], mac[5]);
else return;
gpwplptr = gpwpl+1;
c = 0;
cs = 0;
while(gpwplptr[c] != '*')
{
cs ^= gpwplptr[c];
gpwplptr++;
}
snprintf(gpwplptr +1, NMEA_MAX -44, "%02x", cs);
fprintf(fh_nmea, "%s\n", gpwpl);
return;
}
/*===========================================================================*/
static inline bool writecbnmea(int fd)
{
static int cblen;
static int written;
static custom_block_t *cbhdr;
static total_length_t *totallength;
static uint8_t cb[2048];
memset(&cb, 0, 2048);
cbhdr = (custom_block_t*)cb;
cblen = CB_SIZE;
cbhdr->block_type = CBID;
cbhdr->total_length = CB_SIZE;
memcpy(cbhdr->pen, &hcxmagic, 4);
memcpy(cbhdr->hcxm, &hcxmagic, 32);
cblen += addoption(cb +cblen, OPTIONCODE_NMEA, nmealen, nmeasentence);
cblen += addoption(cb +cblen, 0, 0, NULL);
totallength = (total_length_t*)(cb +cblen);
cblen += TOTAL_SIZE;
cbhdr->total_length = cblen;
totallength->total_length = cblen;
if(fd == fd_socket_mcsrv)
serversendpcapng(cb, cblen);
else
{
written = write(fd, &cb, cblen);
if(written != cblen) errorcount++;
}
return true;
}
/*===========================================================================*/
static inline void writeepbown(int fd)
{
static int epblen;
static int written;
static uint16_t padding;
static total_length_t *totallenght;
epbhdrown = (enhanced_packet_block_t*)epbown;
epblen = EPB_SIZE;
epbhdrown->block_type = EPBID;
epbhdrown->interface_id = 0;
epbhdrown->cap_len = packetlenown;
epbhdrown->org_len = packetlenown;
epbhdrown->timestamp_high = timestamp >> 32;
epbhdrown->timestamp_low = (uint32_t)timestamp &0xffffffff;
padding = (4 -(epbhdrown->cap_len %4)) %4;
epblen += packetlenown;
memset(&epbown[epblen], 0, padding);
epblen += padding;
epblen += addoption(epbown +epblen, SHB_EOC, 0, NULL);
totallenght = (total_length_t*)(epbown +epblen);
epblen += TOTAL_SIZE;
epbhdrown->total_length = epblen;
totallenght->total_length = epblen;
if(fd == fd_socket_mcsrv)
serversendpcapng(epbown, epblen);
else
{
written = write(fd, &epbown, epblen);
if(written != epblen) errorcount++;
}
return;
}
/*===========================================================================*/
static inline void writeepb(int fd)
{
static int epblen;
static int written;
static uint16_t padding;
static total_length_t *totallenght;