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authormjm <mjm>2002-12-28 13:28:38 (UTC)
committer mjm <mjm>2002-12-28 13:28:38 (UTC)
commit224f9b43d51d1e0a261b807c2b8a37aa2a5289bb (patch) (unidiff)
treeb0344962860f360714da0fc6d5070e559f0f6488
parent1adf0d153cd8c4714719183af45ed703abef0a43 (diff)
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buffer too small, fixed
Diffstat (more/less context) (ignore whitespace changes)
-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 5d4a6b4..9c34115 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.cc
+++ b/noncore/net/wellenreiter/daemon/source/daemon.cc
@@ -1,143 +1,143 @@
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/* Main function of wellenreiterd */ 10/* Main function of wellenreiterd */
11int main(int argc, char **argv) 11int main(int argc, char **argv)
12{ 12{
13 int sock, maxfd, retval, card_type; 13 int sock, maxfd, retval, card_type;
14 char buffer[128], sniffer_device[5]; 14 char buffer[128], sniffer_device[6];
15 struct pcap_pkthdr header; 15 struct pcap_pkthdr header;
16 pcap_t *handletopcap; 16 pcap_t *handletopcap;
17 const unsigned char *packet; 17 const unsigned char *packet;
18 18
19 fd_set rset; 19 fd_set rset;
20 20
21 fprintf(stderr, "wellenreiterd %s\n\n", VERSION); 21 fprintf(stderr, "wellenreiterd %s\n\n", VERSION);
22 fprintf(stderr, "(c) 2002 by M-M-M\n\n"); 22 fprintf(stderr, "(c) 2002 by M-M-M\n\n");
23 23
24 if(argc < 3) 24 if(argc < 3)
25 usage(); 25 usage();
26 26
27 /* Set sniffer device */ 27 /* Set sniffer device */
28 memset(sniffer_device, 0, sizeof(sniffer_device)); 28 memset(sniffer_device, 0, sizeof(sniffer_device));
29 strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1); 29 strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1);
30 30
31 /* Set card type */ 31 /* Set card type */
32 card_type = atoi(argv[2]); 32 card_type = atoi(argv[2]);
33 if(card_type < 1 || card_type > 3) 33 if(card_type < 1 || card_type > 3)
34 usage(); 34 usage();
35 35
36 if(!card_into_monitormode(&handletopcap, sniffer_device, card_type)) 36 if(!card_into_monitormode(&handletopcap, sniffer_device, card_type))
37 { 37 {
38 wl_logerr("Cannot set card into mon mode, aborting"); 38 wl_logerr("Cannot set card into mon mode, aborting");
39 exit(-1); 39 exit(-1);
40 } 40 }
41 wl_loginfo("Set card into monitor mode"); 41 wl_loginfo("Set card into monitor mode");
42 42
43 /////// following line will be moved to lib as soon as possible //////////// 43 /////// following line will be moved to lib as soon as possible ////////////
44 if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL) 44 if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL)
45 { 45 {
46 wl_logerr("pcap_open_live() failed: %s", strerror(errno)); 46 wl_logerr("pcap_open_live() failed: %s", strerror(errno));
47 exit(-1); 47 exit(-1);
48 } 48 }
49 49
50#ifdef HAVE_PCAP_NONBLOCK 50#ifdef HAVE_PCAP_NONBLOCK
51 pcap_setnonblock(handletopcap, 1, NULL); 51 pcap_setnonblock(handletopcap, 1, NULL);
52#endif 52#endif
53 53
54 /* getting the datalink type */ 54 /* getting the datalink type */
55 retval = pcap_datalink(handletopcap); 55 retval = pcap_datalink(handletopcap);
56 if (retval != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */ 56 if (retval != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
57 { 57 {
58 wl_loginfo("Interface %s does not work in the correct 802.11 raw mode", 58 wl_loginfo("Interface %s does not work in the correct 802.11 raw mode",
59 sniffer_device); 59 sniffer_device);
60 pcap_close(handletopcap); 60 pcap_close(handletopcap);
61 return 0; 61 return 0;
62 } 62 }
63 wl_loginfo("Your successfully listen on %s in 802.11 raw mode", sniffer_device); 63 wl_loginfo("Your successfully listen on %s in 802.11 raw mode", sniffer_device);
64 //////////////////////////////////////// 64 ////////////////////////////////////////
65 65
66 /* Setup socket for incoming commands */ 66 /* Setup socket for incoming commands */
67 if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT)) < 0) 67 if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT)) < 0)
68 { 68 {
69 wl_logerr("Cannot setup socket"); 69 wl_logerr("Cannot setup socket");
70 exit(-1); 70 exit(-1);
71 } 71 }
72 wl_loginfo("Set up socket '%d' for GUI communication", sock); 72 wl_loginfo("Set up socket '%d' for GUI communication", sock);
73 73
74 FD_ZERO(&rset); 74 FD_ZERO(&rset);
75 75
76 /* Start main loop */ 76 /* Start main loop */
77 wl_loginfo("Starting main loop"); 77 wl_loginfo("Starting main loop");
78 while(1) 78 while(1)
79 { 79 {
80 80
81 FD_SET(sock, &rset); 81 FD_SET(sock, &rset);
82 FD_SET(pcap_fileno(handletopcap), &rset); 82 FD_SET(pcap_fileno(handletopcap), &rset);
83 maxfd=sock + pcap_fileno(handletopcap) + 1; 83 maxfd=sock + pcap_fileno(handletopcap) + 1;
84 84
85 if(select(maxfd, &rset, NULL, NULL, NULL) < 0) 85 if(select(maxfd, &rset, NULL, NULL, NULL) < 0)
86 { 86 {
87 wl_logerr("Error calling select: %s", strerror(errno)); 87 wl_logerr("Error calling select: %s", strerror(errno));
88 break; 88 break;
89 } 89 }
90 90
91 /* Got data on local socket from GUI */ 91 /* Got data on local socket from GUI */
92 if(FD_ISSET(sock, &rset)) 92 if(FD_ISSET(sock, &rset))
93 { 93 {
94 /* Receive data from socket */ 94 /* Receive data from socket */
95 if((retval=wl_recv(&sock, buffer, sizeof(buffer))) < 0) 95 if((retval=wl_recv(&sock, buffer, sizeof(buffer))) < 0)
96 { 96 {
97 wl_logerr("Error trying to read: %s", strerror(errno)); 97 wl_logerr("Error trying to read: %s", strerror(errno));
98 break; 98 break;
99 } 99 }
100 else 100 else
101 { 101 {
102 /* check type of packet and start function according to it */ 102 /* check type of packet and start function according to it */
103 switch(retval) 103 switch(retval)
104 { 104 {
105 case 98: 105 case 98:
106 wl_loginfo("Received STARTSNIFF command"); 106 wl_loginfo("Received STARTSNIFF command");
107 break; 107 break;
108 case 99: 108 case 99:
109 wl_loginfo("Received STOPSNIFF command"); 109 wl_loginfo("Received STOPSNIFF command");
110 break; 110 break;
111 default: 111 default:
112 wl_logerr("Received unknown command: %d", retval); 112 wl_logerr("Received unknown command: %d", retval);
113 break; 113 break;
114 } 114 }
115 } 115 }
116 } /* FD_ISSET */ 116 } /* FD_ISSET */
117 117
118 /* Check pcap lib for packets */ 118 /* Check pcap lib for packets */
119 if(FD_ISSET(pcap_fileno(handletopcap), &rset)) 119 if(FD_ISSET(pcap_fileno(handletopcap), &rset))
120 { 120 {
121 121
122 /* Grab one single packet */ 122 /* Grab one single packet */
123 packet = pcap_next(handletopcap, &header); 123 packet = pcap_next(handletopcap, &header);
124 124
125 /* process the packet */ 125 /* process the packet */
126 process_packets(&header,*&packet, GUIADDR, GUIPORT); 126 process_packets(&header,*&packet, GUIADDR, GUIPORT);
127 } 127 }
128 128
129 } /* while(1) */ 129 } /* while(1) */
130 130
131 close(sock); 131 close(sock);
132 exit(0); 132 exit(0);
133} 133}
134 134
135void usage(void) 135void usage(void)
136{ 136{
137 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \ 137 fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \
138 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \ 138 "\t<device> = Wirelessdevice (e.g. wlan0)\n" \
139 "\t<cardtype> = Cardtype:\t Cisco\t= 1\n" \ 139 "\t<cardtype> = Cardtype:\t Cisco\t= 1\n" \
140 "\t\t\t\tNG\t= 2\n" \ 140 "\t\t\t\tNG\t= 2\n" \
141 "\t\t\t\tHOSTAP\t= 3\n"); 141 "\t\t\t\tHOSTAP\t= 3\n");
142 exit(-1); 142 exit(-1);
143} 143}