author | mjm <mjm> | 2002-12-28 13:28:38 (UTC) |
---|---|---|
committer | mjm <mjm> | 2002-12-28 13:28:38 (UTC) |
commit | 224f9b43d51d1e0a261b807c2b8a37aa2a5289bb (patch) (unidiff) | |
tree | b0344962860f360714da0fc6d5070e559f0f6488 | |
parent | 1adf0d153cd8c4714719183af45ed703abef0a43 (diff) | |
download | opie-224f9b43d51d1e0a261b807c2b8a37aa2a5289bb.zip opie-224f9b43d51d1e0a261b807c2b8a37aa2a5289bb.tar.gz opie-224f9b43d51d1e0a261b807c2b8a37aa2a5289bb.tar.bz2 |
buffer too small, fixed
-rw-r--r-- | noncore/net/wellenreiter/daemon/source/daemon.cc | 2 |
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 */ |
11 | int main(int argc, char **argv) | 11 | int 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 | ||
135 | void usage(void) | 135 | void 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 | } |