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-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc
index 5cf4e97..8471efc 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.cc
+++ b/noncore/net/wellenreiter/daemon/source/daemon.cc
@@ -1,193 +1,193 @@
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/* should be parsed from cfg-file */ 10/* should be parsed from cfg-file */
11#define MAXCHANNEL 13 11#define MAXCHANNEL 13
12#define CHANINTERVAL 100000 12#define CHANINTERVAL 700000
13 13
14/* Main function of wellenreiterd */ 14/* Main function of wellenreiterd */
15int main(int argc, char **argv) 15int main(int argc, char **argv)
16{ 16{
17 int sock, maxfd, retval; 17 int sock, maxfd, retval;
18 char buffer[WL_SOCKBUF]; 18 char buffer[WL_SOCKBUF];
19 struct pcap_pkthdr header; 19 struct pcap_pkthdr header;
20 struct sockaddr_in saddr; 20 struct sockaddr_in saddr;
21 pcap_t *handletopcap; 21 pcap_t *handletopcap;
22 wl_cardtype_t cardtype; 22 wl_cardtype_t cardtype;
23 pthread_t sub; 23 pthread_t sub;
24 const unsigned char *packet; 24 const unsigned char *packet;
25 25
26 fd_set rset; 26 fd_set rset;
27 27
28 fprintf(stderr, "wellenreiterd %s\n\n", VERSION); 28 fprintf(stderr, "wellenreiterd %s\n\n", VERSION);
29 fprintf(stderr, "(c) 2002 by M-M-M\n\n"); 29 fprintf(stderr, "(c) 2002 by M-M-M\n\n");
30 30
31 if(argc < 3) 31 if(argc < 3)
32 usage(); 32 usage();
33 33
34 /* Set sniffer device */ 34 /* Set sniffer device */
35 memset(cardtype.iface, 0, sizeof(cardtype.iface)); 35 memset(cardtype.iface, 0, sizeof(cardtype.iface));
36 strncpy(cardtype.iface, (char *)argv[1], sizeof(cardtype.iface) - 1); 36 strncpy(cardtype.iface, (char *)argv[1], sizeof(cardtype.iface) - 1);
37 37
38 /* Set card type */ 38 /* Set card type */
39 cardtype.type = atoi(argv[2]); 39 cardtype.type = atoi(argv[2]);
40 if(cardtype.type < 1 || cardtype.type > 4) 40 if(cardtype.type < 1 || cardtype.type > 4)
41 usage(); 41 usage();
42 42
43 /* set card into monitor mode */ 43 /* set card into monitor mode */
44 if(!card_into_monitormode(&handletopcap, cardtype.iface, 44 if(!card_into_monitormode(&handletopcap, cardtype.iface,
45 cardtype.type)) 45 cardtype.type))
46 { 46 {
47 wl_logerr("Cannot initialize the wireless-card, aborting"); 47 wl_logerr("Cannot initialize the wireless-card, aborting");
48 exit(EXIT_FAILURE); 48 exit(EXIT_FAILURE);
49 } 49 }
50 wl_loginfo("Set card into monitor mode"); 50 wl_loginfo("Set card into monitor mode");
51 51
52 /* setup pcap */ 52 /* setup pcap */
53 if((handletopcap = pcap_open_live(cardtype.iface, 53 if((handletopcap = pcap_open_live(cardtype.iface,
54 BUFSIZ, 1, 0, NULL)) == NULL) 54 BUFSIZ, 1, 0, NULL)) == NULL)
55 { 55 {
56 wl_logerr("pcap_open_live() failed: %s", strerror(errno)); 56 wl_logerr("pcap_open_live() failed: %s", strerror(errno));
57 exit(EXIT_FAILURE); 57 exit(EXIT_FAILURE);
58 } 58 }
59 59
60#ifdef HAVE_PCAP_NONBLOCK 60#ifdef HAVE_PCAP_NONBLOCK
61 pcap_setnonblock(handletopcap, 1, NULL); 61 pcap_setnonblock(handletopcap, 1, NULL);
62#endif 62#endif
63 63
64 /* Setup socket for incoming commands */ 64 /* Setup socket for incoming commands */
65 if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT, saddr)) < 0) 65 if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT, saddr)) < 0)
66 { 66 {
67 wl_logerr("Cannot setup socket"); 67 wl_logerr("Cannot setup socket");
68 exit(EXIT_FAILURE); 68 exit(EXIT_FAILURE);
69 } 69 }
70 wl_loginfo("Set up socket '%d' for GUI communication", sock); 70 wl_loginfo("Set up socket '%d' for GUI communication", sock);
71 71
72 /* Create channelswitching thread */ 72 /* Create channelswitching thread */
73 if(pthread_create(&sub, NULL, channel_switcher, 73 if(pthread_create(&sub, NULL, channel_switcher,
74 (void *)&cardtype) != 0) 74 (void *)&cardtype) != 0)
75 { 75 {
76 wl_logerr("Cannot create thread: %s", strerror(errno)); 76 wl_logerr("Cannot create thread: %s", strerror(errno));
77 close(sock); 77 close(sock);
78 exit(EXIT_FAILURE); 78 exit(EXIT_FAILURE);
79 } 79 }
80 if(pthread_detach(sub)) 80 if(pthread_detach(sub))
81 { 81 {
82 wl_logerr("Error detaching thread"); 82 wl_logerr("Error detaching thread");
83 close(sock); 83 close(sock);
84 pthread_exit((pthread_t *)sub); 84 pthread_exit((pthread_t *)sub);
85 exit(EXIT_FAILURE); 85 exit(EXIT_FAILURE);
86 } 86 }
87 wl_loginfo("Created and detached channel switching thread"); 87 wl_loginfo("Created and detached channel switching thread");
88 88
89 FD_ZERO(&rset); 89 FD_ZERO(&rset);
90 90
91 /* Start main loop */ 91 /* Start main loop */
92 wl_loginfo("Starting main loop"); 92 wl_loginfo("Starting main loop");
93 while(1) 93 while(1)
94 { 94 {
95 95
96 FD_SET(sock, &rset); 96 FD_SET(sock, &rset);
97 FD_SET(pcap_fileno(handletopcap), &rset); 97 FD_SET(pcap_fileno(handletopcap), &rset);
98 98
99 /* maxfd = biggest filefd */ 99 /* maxfd = biggest filefd */
100 maxfd = (sock > pcap_fileno(handletopcap) ? 100 maxfd = (sock > pcap_fileno(handletopcap) ?
101 sock + 1 : pcap_fileno(handletopcap)) + 1; 101 sock + 1 : pcap_fileno(handletopcap)) + 1;
102 102
103 if(select(maxfd, &rset, NULL, NULL, NULL) < 0) 103 if(select(maxfd, &rset, NULL, NULL, NULL) < 0)
104 { 104 {
105 wl_logerr("Error calling select: %s", strerror(errno)); 105 wl_logerr("Error calling select: %s", strerror(errno));
106 break; 106 break;
107 } 107 }
108 108
109 /* Got data on local socket from GUI */ 109 /* Got data on local socket from GUI */
110 if(FD_ISSET(sock, &rset)) 110 if(FD_ISSET(sock, &rset))
111 { 111 {
112 /* Receive data from socket */ 112 /* Receive data from socket */
113 if((retval=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0) 113 if((retval=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0)
114 { 114 {
115 wl_logerr("Error trying to read: %s", strerror(errno)); 115 wl_logerr("Error trying to read: %s", strerror(errno));
116 break; 116 break;
117 } 117 }
118 else 118 else
119 { 119 {
120 /* check type of packet and start function according to it */ 120 /* check type of packet and start function according to it */
121 switch(retval) 121 switch(retval)
122 { 122 {
123 case 98: 123 case 98:
124 wl_loginfo("Received STARTSNIFF command"); 124 wl_loginfo("Received STARTSNIFF command");
125 break; 125 break;
126 case 99: 126 case 99:
127 wl_loginfo("Received STOPSNIFF command"); 127 wl_loginfo("Received STOPSNIFF command");
128 break; 128 break;
129 default: 129 default:
130 wl_logerr("Received unknown command: %d", retval); 130 wl_logerr("Received unknown command: %d", retval);
131 break; 131 break;
132 } 132 }
133 } 133 }
134 } /* FD_ISSET */ 134 } /* FD_ISSET */
135 135
136 /* Check pcap lib for packets */ 136 /* Check pcap lib for packets */
137 if(FD_ISSET(pcap_fileno(handletopcap), &rset)) 137 if(FD_ISSET(pcap_fileno(handletopcap), &rset))
138 { 138 {
139 139
140 /* Grab one single packet */ 140 /* Grab one single packet */
141 packet = pcap_next(handletopcap, &header); 141 packet = pcap_next(handletopcap, &header);
142 142
143 /* process the packet */ 143 /* process the packet */
144 process_packets(&header,*&packet, GUIADDR, GUIPORT); 144 process_packets(&header,*&packet, GUIADDR, GUIPORT);
145 } 145 }
146 146
147 } /* while(1) */ 147 } /* while(1) */
148 148
149 close(sock); 149 close(sock);
150 exit(EXIT_SUCCESS); 150 exit(EXIT_SUCCESS);
151} 151}
152 152
153void 153void
154usage(void) 154usage(void)
155{ 155{
156 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \ 156 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \
157 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \ 157 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \
158 "\t<cardtype> = Cardtype:\tCisco\t= 1\n" \ 158 "\t<cardtype> = Cardtype:\tCisco\t= 1\n" \
159 "\t\t\t\tNG\t= 2\n" \ 159 "\t\t\t\tNG\t= 2\n" \
160 "\t\t\t\tHOSTAP\t= 3\n" \ 160 "\t\t\t\tHOSTAP\t= 3\n" \
161 "\t\t\t\tLUCENT\t= 4\n"); 161 "\t\t\t\tLUCENT\t= 4\n");
162 exit(EXIT_FAILURE); 162 exit(EXIT_FAILURE);
163} 163}
164 164
165void * 165void *
166channel_switcher(void *cardtypeptr) 166channel_switcher(void *cardtypeptr)
167{ 167{
168 wl_cardtype_t *cardtype; 168 wl_cardtype_t *cardtype;
169 int channel=1; 169 int channel=1;
170 170
171 /* Get card info struct */ 171 /* Get card info struct */
172 cardtype = (wl_cardtype_t *)cardtypeptr; 172 cardtype = (wl_cardtype_t *)cardtypeptr;
173 173
174 while(1) 174 while(1)
175 { 175 {
176 176
177 /* If channel bigger than maxchannel, set to 1 */ 177 /* If channel bigger than maxchannel, set to 1 */
178 if(channel > MAXCHANNEL) 178 if(channel > MAXCHANNEL)
179 channel=1; 179 channel=1;
180 180
181 /* Set channel */ 181 /* Set channel */
182 if(!card_set_channel(cardtype->iface, channel, cardtype->type)) 182 if(!card_set_channel(cardtype->iface, channel, cardtype->type))
183 { 183 {
184 wl_logerr("Cannot set channel, thread exiting"); 184 wl_logerr("Cannot set channel, thread exiting");
185 pthread_exit(NULL); 185 pthread_exit(NULL);
186 } 186 }
187 187
188 /* sleep */ 188 /* sleep */
189 usleep(CHANINTERVAL); 189 usleep(CHANINTERVAL);
190 190
191 channel++; 191 channel++;
192 } /* while */ 192 } /* while */
193} 193}