/*
* main.c - main hdw-sniff
*
- * Copyright (C) 2004 hackbard@hackdaworld.dyndns.org
+ * Copyright (C) 2004/05 hackbard@hackdaworld.org
*
*/
#include "main.h"
+// void parse_package(unsigned char *ptr,const struct pcap_pkthdr *pcap_header,const unsigned char *package);
+
/* functions */
+int display_console(t_info *info,char *string) {
+
+ int x,y;
+ t_display *display;
+
+ display=(t_display *)&(info->display);
+
+ x=display->max_x-1;
+ y=display->max_y-1;
+
+ display_line(display,0,0,2,0,'-');
+ display_string(display,4,0,"sta",3);
+ display_line(display,8,0,x,0,'-');
+
+ //display_line(display,0,0,0,y,'|');
+ //display_line(display,x,0,x,y,'|');
+
+ display_line(display,0,y-1,x,y-1,'-');
+
+ display_draw(display);
+
+ return 23;
+}
+
+int noop(t_input *input,void *ptr) {
+
+ return 23;
+}
+
+int get_user_interaction(t_info *info) {
+
+ char *string;
+
+ string=(char *)malloc(info->display.max_x*sizeof(char));
+
+ input_get_event(&(info->input),noop,info);
+
+ /*
+ if(info->input.content[0]=='h') {
+ display_console(info,"hdw-sniff help:");
+ display_console(info,"h - print this help");
+ display_console(info,"x - enable/disable hex output");
+ display_console(info,"a - enable/disable ascii output");
+ display_console(info,"q - quit");
+ display_console(info,"console navigation: arrow up/down");
+ display_console(info,"network list navigation: page up/down");
+ }
+ */
+
+ if(info->input.content[0]=='x') {
+ info->mode^=MODE_HEXOUT;
+ display_console(info,"toggled hex output");
+ }
+
+ else if(info->input.content[0]=='a') {
+ info->mode^=MODE_ASCIIOUT;
+ display_console(info,"toggled ascii output");
+ }
+
+ else if(info->input.content[0]=='q') {
+ event_stop(&(info->event));
+ display_console(info,"quit!");
+ }
+
+ else {
+ snprintf(string,info->display.max_x,"unknown event (%x)",
+ info->input.content[0]);
+ display_console(info,string);
+ }
+
+ return 23;
+}
+
+int react_on_event(t_event *event,void *ptr) {
+
+ t_info *info;
+
+ info=(t_info *)ptr;
+
+ if(event_check(event,0)==E_FD_YES) get_user_interaction(info);
+ else pcap_dispatch(info->pcap_handle,-1,parse_package,(u_char *)ptr);
+
+ return 23;
+}
+
int usage(void) {
puts("usage: hdw-sniff <options>");
- puts("\toptions:\t-m <mode> \t1 monitoring, 2 managed");
+ puts("\toptions:");
+ puts("\t\t-m <mode> \tmonitor and/or wlanng");
puts("\t\t-d <device> \twlan0,eth0");
puts("\t\t-l <logfile>");
puts("\t\t-k <key> \t(string)");
+ puts("\t\t-D <file> \t(dump packages to file)");
puts("\t\t-h \tdisplay this help message");
puts("");
+
+ return 23;
}
-int hop_channel(t_info *info) {
+int hop_channel(t_event *event,void *ptr) {
struct iwreq iwreq;
+ t_info *info;
+
+ info=(t_info *)ptr;
if(info->current_channel>=CHANNEL_MAX) info->current_channel=1;
memset(&iwreq,0,sizeof(iwreq));
int main(int argc, char **argv) {
t_info info;
+ int pcap_fd;
+ int i;
+ char sys_call[MAX_SYSCALL_CHARS];
+ char pcap_error[PCAP_ERRBUF_SIZE];
memset(&info,0,sizeof(t_info));
/* parse arguments */
- for(i=1;i<argc;i++)
- {
- if(argv[i][0]=='-')
- {
- switch(argv[i][1])
- {
+ for(i=1;i<argc;i++) {
+ if(argv[i][0]=='-') {
+ switch(argv[i][1]) {
case 'h':
usage();
case 'm':
- info.caps=((1<<atoi(argv[i+1]))&CAP_MODE_MASK)|info.caps;
+ if(!strncmp(argv[i+1],"monitor",7)) {
+ info.mode|=MODE_MONITOR;
+ puts("will go to monitor mode.");
+ }
+ else if(!strncmp(argv[i+1],"wlanng",6)) {
+ info.mode|=MODE_WLANNG;
+ puts("expecting wlanng header in package.");
+ }
+ else {
+ printf("unknown mode: %s\n",argv[1]);
+ return -23;
+ }
++i;
break;
case 'l':
- if ((info.logfile_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
+ if((info.log_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
printf("logfile -> %s\n",argv[i+1]);
else
puts("warning: can't write to logfile.");
++i;
break;
+ case 'D':
+ if((info.dump_fd=open(argv[i+1],O_RDWR|O_CREAT))!=0)
+ printf("dump file -> %s\n",argv[i+1]);
+ else
+ puts("warning: can't dump to file.");
+ ++i;
+ break;
case 'd':
strncpy(info.device,argv[i+1],MAX_DEV_CHARS);
++i;
break;
+ default:
+ usage();
+ return -23;
}
- } else usage();
+ } else {
+ usage();
+ return -23;
+ }
}
/* setting up device */
- if((info.caps&CAP_MODE_MASK)==MONITORING_MODE)
- {
- sprintf(sys_call,"iwpriv %s monitor %d",info.device,IWPRIV_M_MODE);
- system(sys_call);
+ if(info.mode&MODE_MONITOR) {
+ sprintf(sys_call,"iwconfig %s mode monitor",info.device);
puts("set monitoring mode ...");
+ system(sys_call);
}
sprintf(sys_call,"ifconfig %s up",info.device);
+ puts("setting up device ...");
system(sys_call);
- puts("device up ...");
+
+ if(info.log_fd==0) {
+ if((info.log_fd=open("/tmp/hdw-sniff.log",O_RDWR|O_CREAT))!=0)
+ puts("using logfile /tmp/hdw-sniff.log ...");
+ else {
+ puts("failed to open logfile ...");
+ return -23;
+ }
/* pcap */
if((info.pcap_handle=pcap_open_live(info.device,BUFSIZ,1,-1,pcap_error))==NULL)
printf("%s: %s\n",argv[0],pcap_error);
return -23;
}
- pcap_fd=pcap_fileno(pcap_handle);
+ pcap_fd=pcap_fileno(info.pcap_handle);
/* -> non blocking? */
- info.channel_hop_fd=socket(AF_INET,SOCK_DGRAM,0);
/* socket fd for channel hopping */
+ info.channel_hop_fd=socket(AF_INET,SOCK_DGRAM,0);
+
+ display_init(&(info.display),info.log_fd);
+
+ input_init(&(info.input),info.log_fd);
+ //input.mode=CONTENT_BUFFER;
+ input_ios_init(&info.input);
+
+ event_init(&(info.event),info.log_fd);
+ event_set_timeout(&(info.event),HOP_SEC,HOP_USEC);
+
+ event_math(0,&(info.event),READ,ADD);
+ event_math(pcap_fd,&(info.event),READ,ADD);
+
+ list_init(&(info.sniffed_sta),info.log_fd);
+
+ display_console(&info,"foo");
+
+ event_start(&(info.event),&info,react_on_event,hop_channel);
+
+ input_shutdown(&(info.input));
+ display_shutdown(&(info.display));
- /* watch pcap_fd for reading */
- FD_ZERO(&pcap_fd);
- FD_SET(pcap_fd,&pcap_fd_set);
- fd_set_tv.tv_sec=PCAP_SELECT_SEC;
- pcap_fd_set_tv.tv_usec=PCAP_SELECT_USEC;
-
- /* parse packages until user breaks */
- while(!(info.caps&CAP_QUIT_MASK))
- {
- if(select(pcap_fd+1,&pcap_fd_set,NULL,NULL,&pcap_fd_set_tv))
- pcap_dispatch(pcap_handle,-1,parse_package,(unsigned char *)&info);
- else
- hop_channel(&info);
- }
+ puts("");
+ puts("");
+ puts("thanks for using hdw-sniff (C) 2004/05 hackbard");
+ puts("");
+ puts("bugreports: hackbard@hackdaworld.org");
- puts("bugreports: hackbard@hackdaworld.dyndns.org");
return 23;
+
}
projects / my-code / hdw-sniff.git / blobdiff