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path: root/noncore/net/wellenreiter/daemon/source/daemon.cc
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-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.cc26
1 files changed, 17 insertions, 9 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc
index d6e8f6b..b57e6a0 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.cc
+++ b/noncore/net/wellenreiter/daemon/source/daemon.cc
@@ -1,63 +1,71 @@
1/* 1/*
2 * Startup functions of wellenreiter 2 * Startup functions of wellenreiter
3 * 3 *
4 * $Id$ 4 * $Id$
5 */ 5 */
6 6
7#include "config.hh" 7#include "config.hh"
8#include "daemon.hh" 8#include "daemon.hh"
9 9
10// temporary solution, will be removed soon 10// temporary solution, will be removed soon
11#define MAXCHANNEL 13 11#define MAXCHANNEL 13
12int card_type;
12char sniffer_device[6]; 13char sniffer_device[6];
13int channel=0; 14int channel=0;
14int timedout=1; 15int timedout=1;
15 16
16static int chanswitch() 17void chanswitch(int blah)
17{ 18{
18 if(channel >= MAXCHANNEL) 19 if(channel >= MAXCHANNEL)
19 channel=1 20 {
21 channel=1;
22 }
23 else
24 {
25 channel++;
26 }
20 card_set_channel(sniffer_device, channel, card_type); 27 card_set_channel(sniffer_device, channel, card_type);
21 timedout=0; 28 timedout=0;
29 alarm(1);
22} 30}
23 31
24/* Main function of wellenreiterd */ 32/* Main function of wellenreiterd */
25int main(int argc, char **argv) 33int main(int argc, char **argv)
26{ 34{
27 int sock, maxfd, retval, card_type; 35 int sock, maxfd, retval;
28 char buffer[WL_SOCKBUF]; 36 char buffer[WL_SOCKBUF];
29 struct pcap_pkthdr header; 37 struct pcap_pkthdr header;
30 struct sockaddr_in saddr; 38 struct sockaddr_in saddr;
31 pcap_t *handletopcap; 39 pcap_t *handletopcap;
32 const unsigned char *packet; 40 const unsigned char *packet;
33 41
34 fd_set rset; 42 fd_set rset;
35 43
36 fprintf(stderr, "wellenreiterd %s\n\n", VERSION); 44 fprintf(stderr, "wellenreiterd %s\n\n", VERSION);
37 fprintf(stderr, "(c) 2002 by M-M-M\n\n"); 45 fprintf(stderr, "(c) 2002 by M-M-M\n\n");
38 46
39 if(argc < 3) 47 if(argc < 3)
40 usage(); 48 usage();
41 49
42 // removed soon, see above 50 // removed soon, see above
43 SIGNAL(SIGALRM, chanswitch); 51 signal(SIGALRM, chanswitch);
44 52 alarm(1);
45 /* Set sniffer device */ 53 /* Set sniffer device */
46 memset(sniffer_device, 0, sizeof(sniffer_device)); 54 memset(sniffer_device, 0, sizeof(sniffer_device));
47 strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1); 55 strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1);
48 56
49 /* Set card type */ 57 /* Set card type */
50 card_type = atoi(argv[2]); 58 card_type = atoi(argv[2]);
51 if(card_type < 1 || card_type > 3) 59 if(card_type < 1 || card_type > 4)
52 usage(); 60 usage();
53 61
54 if(!card_into_monitormode(&handletopcap, sniffer_device, card_type)) 62 if(!card_into_monitormode(&handletopcap, sniffer_device, card_type))
55 { 63 {
56 wl_logerr("Cannot initialize the wireless-card, aborting"); 64 wl_logerr("Cannot initialize the wireless-card, aborting");
57 exit(-1); 65 exit(-1);
58 } 66 }
59 wl_loginfo("Set card into monitor mode"); 67 wl_loginfo("Set card into monitor mode");
60 68
61 /////// following line will be moved to lib as soon as possible //////////// 69 /////// following line will be moved to lib as soon as possible ////////////
62 if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL) 70 if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL)
63 { 71 {
@@ -82,25 +90,24 @@ int main(int argc, char **argv)
82 FD_ZERO(&rset); 90 FD_ZERO(&rset);
83 91
84 /* Start main loop */ 92 /* Start main loop */
85 wl_loginfo("Starting main loop"); 93 wl_loginfo("Starting main loop");
86 while(1) 94 while(1)
87 { 95 {
88 96
89 FD_SET(sock, &rset); 97 FD_SET(sock, &rset);
90 FD_SET(pcap_fileno(handletopcap), &rset); 98 FD_SET(pcap_fileno(handletopcap), &rset);
91 99
92 // blah 100 // blah
93 timedout=1; 101 timedout=1;
94 alarm(1);
95 102
96 /* socket or pcap handle bigger? Will be cleaned up, have to check pcap */ 103 /* socket or pcap handle bigger? Will be cleaned up, have to check pcap */
97 maxfd = (sock > pcap_fileno(handletopcap) ? sock : pcap_fileno(handletopcap)) + 1; 104 maxfd = (sock > pcap_fileno(handletopcap) ? sock : pcap_fileno(handletopcap)) + 1;
98 105
99 if(select(maxfd, &rset, NULL, NULL, NULL) < 0 && timedout) 106 if(select(maxfd, &rset, NULL, NULL, NULL) < 0 && timedout)
100 { 107 {
101 wl_logerr("Error calling select: %s", strerror(errno)); 108 wl_logerr("Error calling select: %s", strerror(errno));
102 break; 109 break;
103 } 110 }
104 111
105 /* Got data on local socket from GUI */ 112 /* Got data on local socket from GUI */
106 if(FD_ISSET(sock, &rset)) 113 if(FD_ISSET(sock, &rset))
@@ -141,17 +148,18 @@ int main(int argc, char **argv)
141 } 148 }
142 149
143 } /* while(1) */ 150 } /* while(1) */
144 151
145 close(sock); 152 close(sock);
146 exit(0); 153 exit(0);
147} 154}
148 155
149void usage(void) 156void usage(void)
150{ 157{
151 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \ 158 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \
152 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \ 159 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \
153 "\t<cardtype> = Cardtype:\t Cisco\t= 1\n" \ 160 "\t<cardtype> = Cardtype:\tCisco\t= 1\n" \
154 "\t\t\t\tNG\t= 2\n" \ 161 "\t\t\t\tNG\t= 2\n" \
155 "\t\t\t\tHOSTAP\t= 3\n"); 162 "\t\t\t\tHOSTAP\t= 3\n" \
163 "\t\t\t\tLUCENT\t= 4\n");
156 exit(-1); 164 exit(-1);
157} 165}