2 * main.c - main hdw-sniff
4 * Copyright (C) 2004/05 hackbard@hackdaworld.org
10 // void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *package);
14 int display_console(t_info *info,char *string) {
19 display=(t_display *)&(info->display);
24 display_line(display,0,0,2,0,'-');
25 display_string(display,4,0,"sta",3);
26 display_line(display,8,0,12,0,'-');
28 display_string(display,13,0,"bssid",5);
29 display_line(display,19,0,23,0,'-');
31 display_string(display,24,0,"M",1);
32 display_line(display,26,0,x,0,'-');
34 //display_line(display,0,0,0,y,'|');
35 //display_line(display,x,0,x,y,'|');
37 display_line(display,0,y-1,x,y-1,'-');
39 display_draw(display);
44 int noop(t_input *input,void *ptr) {
49 int get_user_interaction(t_info *info) {
53 string=(char *)malloc(info->display.max_x*sizeof(char));
55 input_get_event(&(info->input),noop,info);
58 if(info->input.content[0]=='h') {
59 display_console(info,"hdw-sniff help:");
60 display_console(info,"h - print this help");
61 display_console(info,"x - enable/disable hex output");
62 display_console(info,"a - enable/disable ascii output");
63 display_console(info,"q - quit");
64 display_console(info,"console navigation: arrow up/down");
65 display_console(info,"network list navigation: page up/down");
69 if(info->input.content[0]=='x') {
70 info->mode^=MODE_HEXOUT;
71 display_console(info,"toggled hex output");
74 else if(info->input.content[0]=='a') {
75 info->mode^=MODE_ASCIIOUT;
76 display_console(info,"toggled ascii output");
79 else if(info->input.content[0]=='q') {
80 event_stop(&(info->event));
81 display_console(info,"quit!");
85 snprintf(string,info->display.max_x,"unknown event (%x)",
86 info->input.content[0]);
87 display_console(info,string);
93 int react_on_event(t_event *event,void *ptr) {
99 if(event_check(event,0)==E_FD_YES) get_user_interaction(info);
100 else pcap_dispatch(info->pcap_handle,-1,parse_package,(u_char *)ptr);
106 puts("usage: hdw-sniff <options>");
108 puts("\t\t-m <mode> \tmonitor and/or wlanng");
109 puts("\t\t-d <device> \twlan0,eth0");
110 puts("\t\t-l <logfile>");
111 puts("\t\t-k <key> \t(string)");
112 puts("\t\t-D <file> \t(dump packages to file)");
113 puts("\t\t-h \tdisplay this help message");
119 int hop_channel(t_event *event,void *ptr) {
126 if((info->current_channel>CHANNEL_MAX)|(info->current_channel==0))
127 info->current_channel=1;
128 memset(&iwreq,0,sizeof(iwreq));
129 strcpy(iwreq.ifr_name,info->device);
131 iwreq.u.freq.m=info->current_channel;
132 if(ioctl(info->channel_hop_fd,SIOCSIWFREQ,&iwreq)<0) {
133 puts("unable to hop channel");
137 ++(info->current_channel);
142 int main(int argc, char **argv) {
147 char sys_call[MAX_SYSCALL_CHARS];
148 char pcap_error[PCAP_ERRBUF_SIZE];
150 memset(&info,0,sizeof(t_info));
152 /* parse arguments */
153 for(i=1;i<argc;i++) {
154 if(argv[i][0]=='-') {
159 if(!strncmp(argv[i+1],"monitor",7)) {
160 info.mode|=MODE_MONITOR;
161 puts("will go to monitor mode.");
163 else if(!strncmp(argv[i+1],"wlanng",6)) {
164 info.mode|=MODE_WLANNG;
165 puts("expecting wlanng header in package.");
168 printf("unknown mode: %s\n",argv[1]);
174 if((info.log_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
175 printf("logfile -> %s\n",argv[i+1]);
177 puts("warning: can't write to logfile.");
181 if((info.dump_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
182 printf("dump file -> %s\n",argv[i+1]);
184 puts("warning: can't dump to file.");
188 strncpy(info.device,argv[i+1],MAX_DEV_CHARS);
201 /* setting up device */
202 if(info.mode&MODE_MONITOR) {
203 sprintf(sys_call,"iwconfig %s mode monitor",info.device);
204 puts("set monitoring mode ...");
207 sprintf(sys_call,"ifconfig %s up",info.device);
208 puts("setting up device ...");
212 if((info.log_fd=open("/tmp/hdw-sniff.log",O_RDWR|O_CREAT))!=0)
213 puts("using logfile /tmp/hdw-sniff.log ...");
215 puts("failed to open logfile ...");
221 if((info.pcap_handle=pcap_open_live(info.device,BUFSIZ,1,-1,pcap_error))==NULL)
223 printf("%s: %s\n",argv[0],pcap_error);
226 pcap_fd=pcap_fileno(info.pcap_handle);
227 /* -> non blocking? */
229 /* socket fd for channel hopping */
230 info.channel_hop_fd=socket(AF_INET,SOCK_DGRAM,0);
232 display_init(&(info.display),info.log_fd);
234 input_init(&(info.input),info.log_fd);
235 //input.mode=CONTENT_BUFFER;
236 input_ios_init(&info.input);
238 event_init(&(info.event),info.log_fd);
239 event_set_timeout(&(info.event),HOP_SEC,HOP_USEC);
241 event_math(0,&(info.event),READ,ADD);
242 event_math(pcap_fd,&(info.event),READ,ADD);
244 list_init(&(info.sniffed_sta),info.log_fd);
246 display_console(&info,"foo");
248 event_start(&(info.event),&info,react_on_event,hop_channel);
250 input_shutdown(&(info.input));
251 display_shutdown(&(info.display));
255 puts("thanks for using hdw-sniff (C) 2004/05 hackbard");
257 puts("bugreports: hackbard@hackdaworld.org");