X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fhdw-sniff.git;a=blobdiff_plain;f=parse.c;h=32219bddede031323a73ca05fe2dd811bfcaa58e;hp=3dc430116248ba11415528851e34ed28d56daaa6;hb=99dd3ea262fb1f209ff341f51a97a6783150629b;hpb=c189dbc1ce419a70c8a91ba275dbdf57c4de2ec6 diff --git a/parse.c b/parse.c index 3dc4301..32219bd 100644 --- a/parse.c +++ b/parse.c @@ -50,18 +50,21 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons t_info *info; int i; t_sta new_sta; + t_sta *cmp_sta; t_sta *sta; unsigned char *package=NULL; - //t_frame4_hdr *f4hdr; + t_frame4_hdr *f4hdr; t_frame3_hdr *f3hdr; //t_frame2_hdr *f2hdr; //t_frame1_hdr *f1hdr; t_beacon_fb *beacon_fb; + unsigned char *data; t_prism_hdr *prismhdr=NULL; int ret; char string[MESSAGE_MAX]; char sc[MAX_SYSCALL_CHARS]; unsigned char new; + unsigned char foo; info=(t_info *)ptr; @@ -69,19 +72,9 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons memset(&new_sta,0,sizeof(t_sta)); new=0; + foo=0; - if(info->dump_fd!=0) { - ret=write(info->dump_fd,pcap_header,sizeof(struct pcap_pkthdr)); - if(ret!=sizeof(struct pcap_pkthdr)) - display_console(info,"warning, pcap header write failed!"); - ret=write(info->dump_fd,package,pcap_header->caplen); - if(ret!=pcap_header->caplen) - display_console(info,"warning, package write failed!"); - } - - /* maybe there is offset to the actual ieee802.11 frame, - for example prism header ... - in that case, hack the source! */ + /* prism or ieee802.11 header ? */ if(info->mode&MODE_IEEE80211) { package=(unsigned char *)pkg; prismhdr=NULL; @@ -101,6 +94,7 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons beacon_fb=(t_beacon_fb *)(package+sizeof(t_frame3_hdr)); // check sta memcpy(new_sta.addr,f3hdr->addr2,ADDR_LEN); + memcpy(new_sta.bssid,f3hdr->addr3,ADDR_LEN); ret=list_search_data(&(info->sniffed_sta),&new_sta,ADDR_LEN); if((ret==L_EMPTY_LIST)|(ret==L_NO_SUCH_ELEMENT)) { list_add_element(&(info->sniffed_sta),&new_sta,sizeof(t_sta)); @@ -146,8 +140,88 @@ void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,cons /* data */ else if(FCTL_TYPE(package[0])==FCTL_TYPE_DATA) { info->count_d++; + + //if(FCTL_STYPE(package[0])==FCTL_STYPE_DATA) { + if(FCTL_TODS(package[0])&FCTL_FROMDS(package[0])) { + f4hdr=(t_frame4_hdr *)package; + data=package+sizeof(t_frame4_hdr); + memcpy(new_sta.addr,f4hdr->addr4,ADDR_LEN); + foo=1; + } + else { + f3hdr=(t_frame3_hdr *)package; + data=package+sizeof(t_frame3_hdr); + if(FCTL_TODS(package[0])) { + memcpy(new_sta.addr,f3hdr->addr2,ADDR_LEN); + memcpy(new_sta.bssid,f3hdr->addr1,ADDR_LEN); + } + else if(FCTL_FROMDS(package[0])) { + memcpy(new_sta.addr,f3hdr->addr3,ADDR_LEN); + memcpy(new_sta.bssid,f3hdr->addr2,ADDR_LEN); + } + else { + memcpy(new_sta.addr,f3hdr->addr2,ADDR_LEN); + memcpy(new_sta.bssid,f3hdr->addr3,ADDR_LEN); + } + } + + ret=list_search_data(&(info->sniffed_sta),&new_sta,ADDR_LEN); + if((ret==L_EMPTY_LIST)|(ret==L_NO_SUCH_ELEMENT)) { + list_add_element(&(info->sniffed_sta),&new_sta,sizeof(t_sta)); + sta=(t_sta *)info->sniffed_sta.current->data; + new=1; + } + else sta=(t_sta *)info->sniffed_sta.current->data; + if(!(sta->ap)) { + ret=list_count(&(info->sniffed_sta)); + list_reset(&(info->sniffed_sta)); + for(i=0;isniffed_sta.current->data; + if(!memcmp(cmp_sta->bssid,sta->bssid,ADDR_LEN)) { + if(FCTL_FROMDS(package[0])) + snprintf(sta->ssid,MAX_SSID_LEN,"<- %s",cmp_sta->ssid); + else if(FCTL_TODS(package[0])) + snprintf(sta->ssid,MAX_SSID_LEN,"-> %s",cmp_sta->ssid); + else + snprintf(sta->ssid,MAX_SSID_LEN,"<> %s",cmp_sta->ssid); + break; + } + list_next(&(info->sniffed_sta)); + } + } + // fill in stuff ... + sta->count_data++; + switch_active_state(&(sta->active)); + if(info->mode&MODE_IEEE80211) sta->sq=0; + else if(info->mode&MODE_PRISM) + sta->sq=(prismhdr->signal.data)-(prismhdr->noise.data); + if(new) { + strcpy(sc,"flite 'station found by data package'"); + system(sc); + if(foo) { + sta->wds=1; + strcpy(sc,"flite 'wds package'"); + system(sc); + } + memcpy(sta->snap,data,10); + if((data[0]==0xaa)&(data[1]==0xaa)&(data[2]==0x03)& + (data[3]==0x00)&(data[4]==0x00)&(data[5]==0x00)) { + sta->wep=0; + strcpy(sc,"flite 'not crypted'"); + system(sc); + } + else { + sta->wep=WEP; + strcpy(sc,"flite ' crypted'"); + system(sc); + } + } + + //} + display_console(info,"last: got data frame"); } + if(info->dump_handle!=NULL) pcap_dump((unsigned char *)(info->dump_handle),pcap_header,pkg); }