Diffstat (limited to 'noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc new file mode 100644 index 0000000..f15523f --- a/dev/null +++ b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc | |||
@@ -0,0 +1,132 @@ | |||
1 | /* | ||
2 | * Communication protocol | ||
3 | * | ||
4 | * $Id$ | ||
5 | */ | ||
6 | |||
7 | #include "wl_proto.hh" | ||
8 | #include "wl_log.hh" | ||
9 | #include "wl_sock.hh" | ||
10 | |||
11 | /* Adds a field to the buffer */ | ||
12 | int add_field(char *buffer, char *string, int len) | ||
13 | { | ||
14 | char newlen[5]; | ||
15 | |||
16 | /* 3 Byte = Length */ | ||
17 | snprintf(newlen, sizeof(newlen) - 1, "%.3d", len); | ||
18 | memcpy(buffer, newlen, 3); | ||
19 | |||
20 | /* Length bytes = Value */ | ||
21 | memcpy(buffer + 3, string, atoi(newlen)); | ||
22 | |||
23 | /* Return length of attached field */ | ||
24 | return (atoi(newlen) + 3); | ||
25 | } | ||
26 | |||
27 | int get_field(const char *buffer, char *out) | ||
28 | { | ||
29 | char len[5]; | ||
30 | |||
31 | /* Get length of value */ | ||
32 | memcpy(len, buffer, 3); | ||
33 | |||
34 | /* Copy buffer to out pointer */ | ||
35 | memset(out, 0, atoi(len) + 1); | ||
36 | memcpy(out, buffer + 3, atoi(len)); | ||
37 | |||
38 | return atoi(len) + 3; | ||
39 | } | ||
40 | |||
41 | /* Send found network to GUI */ | ||
42 | int send_network_found (const char *guihost, int guiport, void *structure) | ||
43 | { | ||
44 | wl_network_t *ptr; | ||
45 | char buffer[2048]; | ||
46 | char temp[128]; | ||
47 | int retval=0, len=0; | ||
48 | |||
49 | memset(temp, 0, sizeof(temp)); | ||
50 | |||
51 | ptr = (wl_network_t *)structure; | ||
52 | |||
53 | /* Type = Found new net (without length field) */ | ||
54 | memset(temp, 0, sizeof(temp)); | ||
55 | snprintf(temp, sizeof(temp), "%.2d", NETFOUND); | ||
56 | memcpy(buffer, temp, 2); | ||
57 | len += 2; | ||
58 | |||
59 | /* Set Net-type */ | ||
60 | memset(temp, 0, sizeof(temp)); | ||
61 | snprintf(temp, sizeof(temp), "%d", ptr->net_type); | ||
62 | retval = add_field(buffer + len, temp, 1); | ||
63 | len += retval; | ||
64 | |||
65 | /* Set channel */ | ||
66 | memset(temp, 0, sizeof(temp)); | ||
67 | snprintf(temp, sizeof(temp), "%.2d", ptr->channel); | ||
68 | retval = add_field(buffer + len, temp, 2); | ||
69 | len += retval; | ||
70 | |||
71 | /* Set WEP y/n */ | ||
72 | memset(temp, 0, sizeof(temp)); | ||
73 | snprintf(temp, sizeof(temp), "%d", ptr->wep); | ||
74 | retval = add_field(buffer + len, temp, 1); | ||
75 | len += retval; | ||
76 | |||
77 | /* Set Mac */ | ||
78 | retval = add_field(buffer + len, (char *)ptr->mac, 17); | ||
79 | len += retval; | ||
80 | |||
81 | /* Set ssid */ | ||
82 | retval = add_field(buffer + len, (char *)ptr->bssid, ptr->ssid_len); | ||
83 | |||
84 | /* Send prepared buffer to GUI */ | ||
85 | #ifdef DEBUG | ||
86 | wl_loginfo("Sending network to GUI: '%s'", buffer); | ||
87 | #endif | ||
88 | |||
89 | wl_send(guihost, guiport, buffer); | ||
90 | |||
91 | return 1; | ||
92 | } | ||
93 | |||
94 | /* Fill buffer into structur */ | ||
95 | int get_network_found (void *structure, const char *buffer) | ||
96 | { | ||
97 | wl_network_t *ptr; | ||
98 | char temp[512]; | ||
99 | int retval=0, len=0; | ||
100 | |||
101 | ptr = (wl_network_t *)structure; | ||
102 | |||
103 | /* packet type already determined */ | ||
104 | len += 2; | ||
105 | |||
106 | /* Get net type */ | ||
107 | memset(temp, 0, sizeof(temp)); | ||
108 | retval = get_field(buffer + len, temp); | ||
109 | len += retval; | ||
110 | ptr->net_type = atoi(temp); | ||
111 | |||
112 | /* Get channel */ | ||
113 | memset(temp, 0, sizeof(temp)); | ||
114 | retval = get_field(buffer + len, temp); | ||
115 | len += retval; | ||
116 | ptr->channel = atoi(temp); | ||
117 | |||
118 | /* Set WEP y/n */ | ||
119 | memset(temp, 0, sizeof(temp)); | ||
120 | retval = get_field(buffer + len, temp); | ||
121 | len += retval; | ||
122 | ptr->wep = atoi(temp); | ||
123 | |||
124 | /* Set MAC address */ | ||
125 | retval = get_field(buffer + len, ptr->mac); | ||
126 | len += retval; | ||
127 | |||
128 | /* Set BSSID */ | ||
129 | retval = get_field(buffer + len, ptr->bssid); | ||
130 | |||
131 | return 1; | ||
132 | } | ||