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,"essid",5);
26 display_line(display,10,0,x,0,'-');
28 //display_line(display,0,0,0,y,'|');
29 //display_line(display,x,0,x,y,'|');
31 display_line(display,0,y-1,x,y-1,'-');
33 display_draw(display);
38 int noop(t_input *input,void *ptr) {
43 int get_user_interaction(t_info *info) {
47 string=(char *)malloc(info->display.max_x*sizeof(char));
49 input_get_event(&(info->input),noop,info);
52 if(info->input.content[0]=='h') {
53 display_console(info,"hdw-sniff help:");
54 display_console(info,"h - print this help");
55 display_console(info,"x - enable/disable hex output");
56 display_console(info,"a - enable/disable ascii output");
57 display_console(info,"q - quit");
58 display_console(info,"console navigation: arrow up/down");
59 display_console(info,"network list navigation: page up/down");
63 if(info->input.content[0]=='x') {
64 info->mode^=MODE_HEXOUT;
65 display_console(info,"toggled hex output");
68 else if(info->input.content[0]=='a') {
69 info->mode^=MODE_ASCIIOUT;
70 display_console(info,"toggled ascii output");
73 else if(info->input.content[0]=='q') {
74 event_stop(&(info->event));
75 display_console(info,"quit!");
79 snprintf(string,info->display.max_x,"unknown event (%x)",
80 info->input.content[0]);
81 display_console(info,string);
87 int react_on_event(t_event *event,void *ptr) {
93 if(event_check(event,0)==E_FD_YES) get_user_interaction(info);
94 else pcap_dispatch(info->pcap_handle,-1,parse_package,(u_char *)ptr);
100 puts("usage: hdw-sniff <options>");
102 puts("\t\t-m <mode> \tmonitor and/or wlanng");
103 puts("\t\t-d <device> \twlan0,eth0");
104 puts("\t\t-l <logfile>");
105 puts("\t\t-k <key> \t(string)");
106 puts("\t\t-h \tdisplay this help message");
112 int hop_channel(t_event *event,void *ptr) {
119 if(info->current_channel>=CHANNEL_MAX) info->current_channel=1;
120 memset(&iwreq,0,sizeof(iwreq));
121 strcpy(iwreq.ifr_name,info->device);
123 iwreq.u.freq.m=info->current_channel;
124 if(ioctl(info->channel_hop_fd,SIOCSIWFREQ,&iwreq)<0) {
125 puts("unable to hop channel");
129 ++(info->current_channel);
133 int main(int argc, char **argv) {
139 char sys_call[MAX_SYSCALL_CHARS];
140 char pcap_error[PCAP_ERRBUF_SIZE];
142 memset(&info,0,sizeof(t_info));
144 /* parse arguments */
154 if(!strncmp(argv[i+1],"monitor",7)) {
155 info.mode|=MODE_MONITOR;
156 puts("will go to monitor mode.");
158 else if(!strncmp(argv[i+1],"wlanng",6)) {
159 info.mode|=MODE_WLANNG;
160 puts("expecting wlanng header in package.");
163 printf("unknown mode: %s\n",argv[1]);
169 if ((info.logfile_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
170 printf("logfile -> %s\n",argv[i+1]);
172 puts("warning: can't write to logfile.");
176 strncpy(info.device,argv[i+1],MAX_DEV_CHARS);
189 /* setting up device */
190 if(info.mode&MODE_MONITOR) {
191 sprintf(sys_call,"iwconfig %s mode monitor",info.device);
192 puts("set monitoring mode ...");
195 sprintf(sys_call,"ifconfig %s up",info.device);
196 puts("setting up device ...");
200 logfd=open("/tmp/hdw-sniff.log",O_WRONLY|O_CREAT);
203 if((info.pcap_handle=pcap_open_live(info.device,BUFSIZ,1,-1,pcap_error))==NULL)
205 printf("%s: %s\n",argv[0],pcap_error);
208 pcap_fd=pcap_fileno(info.pcap_handle);
209 /* -> non blocking? */
211 /* socket fd for channel hopping */
212 info.channel_hop_fd=socket(AF_INET,SOCK_DGRAM,0);
214 display_init(&(info.display),logfd);
216 input_init(&(info.input),logfd);
217 //input.mode=CONTENT_BUFFER;
218 input_ios_init(&info.input);
220 event_init(&(info.event),logfd);
221 event_set_timeout(&(info.event),HOP_SEC,HOP_USEC);
223 event_math(0,&(info.event),READ,ADD);
224 event_math(pcap_fd,&(info.event),READ,ADD);
226 display_console(&info,"foo");
228 event_start(&(info.event),&info,react_on_event,hop_channel);
230 input_shutdown(&(info.input));
231 display_shutdown(&(info.display));
235 puts("thanks for using hdw-sniff (C) 2004/05 hackbard");
237 puts("bugreports: hackbard@hackdaworld.org");