| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/Makefile | 7 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/TODO | 1 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/cardmode.cc | 3 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/cardmode.hh | 4 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 50 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/sniffer.cc | 41 | ||||
| -rw-r--r-- | noncore/net/wellenreiter/daemon/source/sniffer.hh | 8 |
7 files changed, 38 insertions, 76 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/Makefile b/noncore/net/wellenreiter/daemon/source/Makefile index bcbc799..f3f41f0 100644 --- a/noncore/net/wellenreiter/daemon/source/Makefile +++ b/noncore/net/wellenreiter/daemon/source/Makefile @@ -8,3 +8,3 @@ LDFLAGS = LIBS = -lpcap ../../libwellenreiter/source/libwellenreiter.a -OBJ = daemon.o +OBJ = daemon.o cardmode.o sniffer.o @@ -22,7 +22,2 @@ wellenreiterd: $(OBJ) -sniffer: sniffer.o cardmode.o - $(CPP) $(OPTIMFLAGS) $(WARNFLAGS) sniffer.o cardmode.o $(LDFLAGS) $(LIBS) -o $@ - @echo Build sniffer - - clean distclean realclean: diff --git a/noncore/net/wellenreiter/daemon/source/TODO b/noncore/net/wellenreiter/daemon/source/TODO index 39b1a05..2d72ab7 100644 --- a/noncore/net/wellenreiter/daemon/source/TODO +++ b/noncore/net/wellenreiter/daemon/source/TODO @@ -2,3 +2,2 @@ implement communication protocol security analysis -implement sniffer (last step) security analysis diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.cc b/noncore/net/wellenreiter/daemon/source/cardmode.cc index f84ce23..8069edc 100644 --- a/noncore/net/wellenreiter/daemon/source/cardmode.cc +++ b/noncore/net/wellenreiter/daemon/source/cardmode.cc @@ -2,2 +2,3 @@ +#include "config.hh" #include "cardmode.hh" @@ -18,3 +19,3 @@ int card_into_monitormode (char *device, int cardtype) return 0; - } + } diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.hh b/noncore/net/wellenreiter/daemon/source/cardmode.hh index 87284a1..ecc97b1 100644 --- a/noncore/net/wellenreiter/daemon/source/cardmode.hh +++ b/noncore/net/wellenreiter/daemon/source/cardmode.hh @@ -15,4 +15,2 @@ -#endif /* CARDMODE_HH */ - /* Defines, used for the card setup */ @@ -35,2 +33,2 @@ int card_set_promisc_up (char * device); - +#endif /* CARDMODE_HH */ diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc index b3a37b6..1f9e98a 100644 --- a/noncore/net/wellenreiter/daemon/source/daemon.cc +++ b/noncore/net/wellenreiter/daemon/source/daemon.cc @@ -8,2 +8,4 @@ #include "daemon.hh" +#include "cardmode.hh" +#include "sniffer.hh" @@ -12,4 +14,3 @@ int main(int argc, char **argv) { - int sock, maxfd, guiport=GUIPORT; - char guihost[]="127.0.0.1"; + int sock, maxfd; struct sockaddr_in *cliaddr; @@ -17,3 +18,7 @@ int main(int argc, char **argv) char buffer[128]; - FILE *fp=stdin; /* Will be replaced with sniffer */ + pcap_t *handletopcap; /* The handle to the libpcap */ + char errbuf[PCAP_ERRBUF_SIZE]; /* The errorbuffer of libpacap */ + struct pcap_pkthdr header; /* The packet header from pcap*/ + const u_char *packet; /* The actual packet content*/ + fd_set rset; @@ -22,2 +27,15 @@ int main(int argc, char **argv) + /* will be replaced soon, just for max because max is lazy :-) */ + if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0) + { + fprintf(stderr, "Cannot set card into mon mode, aborting\n"); + exit(-1); + } + + /* opening the pcap for sniffing */ + handletopcap = pcap_open_live(SNIFFER_DEVICE, BUFSIZ, 1, 1000, errbuf); +#ifdef HAVE_PCAP_NONBLOCK + pcap_setnonblock(handletopcap, 1, errstr); +#endif + /* Setup socket for incoming commands */ @@ -38,4 +56,4 @@ int main(int argc, char **argv) FD_SET(sock, &rset); - FD_SET(fileno(fp), &rset); - maxfd=sock+fileno(fp)+1; + FD_SET(pcap_fileno(handletopcap), &rset); + maxfd=sock + pcap_fileno(handletopcap) + 1; if(select(maxfd, &rset, NULL, NULL, NULL) < 0) @@ -57,4 +75,4 @@ int main(int argc, char **argv) - /* Pass string to analyze function */ - // sendcomm(guihost, guiport, buffer); + /* will be passed to analyze function */ + fprintf(stderr, "Received command: %s\n", buffer); @@ -62,15 +80,11 @@ int main(int argc, char **argv) - /* Will be replaced with sniffer ... later */ - if(FD_ISSET(fileno(fp), &rset)) + /* Pcap stuff */ + if(FD_ISSET(pcap_fileno(handletopcap), &rset)) { - memset(buffer, 0, sizeof(buffer)); - if(fgets(buffer, sizeof(buffer) - 1, fp) == NULL) - { - wl_logerr("Cannot read from stdin: %s", strerror(errno)); - break; - } - wl_loginfo("Sending command to '%s': %s", GUIADDR, buffer); - /* Send string to GUI */ - sendcomm(guihost, guiport, "%d: %s", 1234, buffer); + /* Grab one single packet */ + packet = pcap_next(handletopcap, &header); + + /* process the packet */ + process_packets(NULL,&header,*&packet); diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.cc b/noncore/net/wellenreiter/daemon/source/sniffer.cc index be64d67..66d5b6f 100644 --- a/noncore/net/wellenreiter/daemon/source/sniffer.cc +++ b/noncore/net/wellenreiter/daemon/source/sniffer.cc @@ -14,41 +14,2 @@ -int main(void) -{ - if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0) - return 0; - start_sniffing (SNIFFER_DEVICE); - - return 1; -} - -int start_sniffing (char * device) -{ - - pcap_t *handletopcap; /* The handle to the libpcap */ - char errbuf[PCAP_ERRBUF_SIZE]; /* The errorbuffer of libpacap */ - struct pcap_pkthdr header; /* The packet header from pcap*/ - const u_char *packet; /* The actual packet content*/ - - /* opening the pcap for sniffing */ - handletopcap = pcap_open_live(device, BUFSIZ, 1, 1000, errbuf); - - #ifdef HAVE_PCAP_NONBLOCK - pcap_setnonblock(handletopcap, 1, errstr); - #endif - /*start scanning */ -// pcap_loop(handletopcap,-1,process_packets,NULL); - /* Loope endless */ - while(1) - { - /* Grab one single packet */ - packet = pcap_next(handletopcap, &header); - - /* process the packet */ - process_packets(NULL,&header,*&packet); - } - - printf("\nDone processing packets... wheew!\n"); - return 1; -} - void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet) @@ -300,3 +261,3 @@ int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo) -static int GetHeaderLength(u_int16_t fc) +int GetHeaderLength(u_int16_t fc) { diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.hh b/noncore/net/wellenreiter/daemon/source/sniffer.hh index d262353..7e1e3be 100644 --- a/noncore/net/wellenreiter/daemon/source/sniffer.hh +++ b/noncore/net/wellenreiter/daemon/source/sniffer.hh @@ -15,6 +15,4 @@ - #define NONBROADCASTING "non-broadcasting" - /* holds all the interresting data */ @@ -38,6 +36,2 @@ struct packetinfo - -/* Prototypes */ -int sniffer(void); -int start_sniffing (char * device); void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet); @@ -47,3 +41,3 @@ int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo); -static int GetHeaderLength(u_int16_t fc); +int GetHeaderLength(u_int16_t fc); |