| -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 @@ -7,5 +7,5 @@ WARNFLAGS = -Wall -pedantic -DDEBUG LDFLAGS = LIBS = -lpcap ../../libwellenreiter/source/libwellenreiter.a -OBJ = daemon.o +OBJ = daemon.o cardmode.o sniffer.o .SUFFIXES: @@ -21,9 +21,4 @@ wellenreiterd: $(OBJ) @echo Build wellenreiterd -sniffer: sniffer.o cardmode.o - $(CPP) $(OPTIMFLAGS) $(WARNFLAGS) sniffer.o cardmode.o $(LDFLAGS) $(LIBS) -o $@ - @echo Build sniffer - - clean distclean realclean: @rm -rf wellenreiterd *~ *.o 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 @@ -1,5 +1,4 @@ implement communication protocol security analysis -implement sniffer (last step) security analysis code cleanup
\ No newline at end of file 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 @@ -1,4 +1,5 @@ /* $Id$ */ +#include "config.hh" #include "cardmode.hh" @@ -17,5 +18,5 @@ int card_into_monitormode (char *device, int cardtype) printf ("Fatal error i did not have any interfaces to sniff on\n"); return 0; - } + } /* Setting the prmiscous and up flag to the interface */ 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 @@ -14,6 +14,4 @@ #include <net/bpf.h> -#endif /* CARDMODE_HH */ - /* Defines, used for the card setup */ #define DEFAULT_PATH "/proc/driver/aironet/%s/Config" @@ -34,3 +32,3 @@ int card_into_monitormode (char * device, int cardtype); 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 @@ -7,18 +7,36 @@ #include "config.hh" #include "daemon.hh" +#include "cardmode.hh" +#include "sniffer.hh" /* Main function of wellenreiterd */ int main(int argc, char **argv) { - int sock, maxfd, guiport=GUIPORT; - char guihost[]="127.0.0.1"; + int sock, maxfd; struct sockaddr_in *cliaddr; socklen_t len=sizeof(struct sockaddr); 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; fprintf(stderr, "wellenreiterd %s\n\n", VERSION); + /* 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 */ if((sock=commsock(DAEMONADDR, DAEMONPORT)) < 0) @@ -37,6 +55,6 @@ 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) { @@ -56,22 +74,18 @@ int main(int argc, char **argv) wl_loginfo("Received command from '%s': %s", inet_ntoa(cliaddr->sin_addr), buffer); - /* Pass string to analyze function */ - // sendcomm(guihost, guiport, buffer); + /* will be passed to analyze function */ + fprintf(stderr, "Received command: %s\n", buffer); } - /* 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 @@ -13,43 +13,4 @@ #include "extract.hh" -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) { @@ -299,5 +260,5 @@ 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) { int iLength=0; 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 @@ -14,8 +14,6 @@ #include <net/bpf.h> - #define NONBROADCASTING "non-broadcasting" - /* holds all the interresting data */ struct packetinfo @@ -37,8 +35,4 @@ 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); int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo); @@ -46,5 +40,5 @@ void etheraddr_string(register const u_char *ep,char * text); 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); /* |