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1 | diff -Naur linux-2.6.25.17.org/include/linux/netfilter_ipv4/ipt_ipp2p.h linux-2.6.25.17/include/linux/netfilter_ipv4/ipt_ipp2p.h |
2 | --- linux-2.6.25.17.org/include/linux/netfilter_ipv4/ipt_ipp2p.h 1970-01-01 00:00:00.000000000 +0000 | |
3 | +++ linux-2.6.25.17/include/linux/netfilter_ipv4/ipt_ipp2p.h 2008-09-29 15:19:39.000000000 +0000 | |
4 | @@ -0,0 +1,31 @@ | |
5 | +#ifndef __IPT_IPP2P_H | |
6 | +#define __IPT_IPP2P_H | |
7 | +#define IPP2P_VERSION "0.8.2-pomng" | |
8 | + | |
9 | +struct ipt_p2p_info { | |
10 | + int cmd; | |
11 | + int debug; | |
12 | +}; | |
13 | + | |
14 | +#endif //__IPT_IPP2P_H | |
15 | + | |
16 | +#define SHORT_HAND_IPP2P 1 /* --ipp2p switch*/ | |
17 | +//#define SHORT_HAND_DATA 4 /* --ipp2p-data switch*/ | |
18 | +#define SHORT_HAND_NONE 5 /* no short hand*/ | |
19 | + | |
20 | +#define IPP2P_EDK (1 << 1) | |
21 | +#define IPP2P_DATA_KAZAA (1 << 2) | |
22 | +#define IPP2P_DATA_EDK (1 << 3) | |
23 | +#define IPP2P_DATA_DC (1 << 4) | |
24 | +#define IPP2P_DC (1 << 5) | |
25 | +#define IPP2P_DATA_GNU (1 << 6) | |
26 | +#define IPP2P_GNU (1 << 7) | |
27 | +#define IPP2P_KAZAA (1 << 8) | |
28 | +#define IPP2P_BIT (1 << 9) | |
29 | +#define IPP2P_APPLE (1 << 10) | |
30 | +#define IPP2P_SOUL (1 << 11) | |
31 | +#define IPP2P_WINMX (1 << 12) | |
32 | +#define IPP2P_ARES (1 << 13) | |
33 | +#define IPP2P_MUTE (1 << 14) | |
34 | +#define IPP2P_WASTE (1 << 15) | |
35 | +#define IPP2P_XDCC (1 << 16) | |
36 | diff -Naur linux-2.6.25.17.org/net/ipv4/netfilter/Kconfig linux-2.6.25.17/net/ipv4/netfilter/Kconfig | |
37 | --- linux-2.6.25.17.org/net/ipv4/netfilter/Kconfig 2008-09-08 10:20:51.000000000 +0000 | |
38 | +++ linux-2.6.25.17/net/ipv4/netfilter/Kconfig 2008-09-29 15:19:39.000000000 +0000 | |
39 | @@ -379,5 +379,15 @@ | |
40 | Allows altering the ARP packet payload: source and destination | |
41 | hardware and network addresses. | |
42 | ||
43 | +config IP_NF_MATCH_IPP2P | |
44 | + tristate 'IPP2P match support' | |
45 | + depends on IP_NF_IPTABLES | |
46 | + help | |
47 | + This option makes possible to match some P2P packets | |
48 | + therefore helps controlling such traffic. | |
49 | + | |
50 | + If you want to compile it as a module, say M here and read | |
51 | + <file:Documentation/modules.txt>. If unsure, say `N'. | |
52 | + | |
53 | endmenu | |
54 | ||
55 | diff -Naur linux-2.6.25.17.org/net/ipv4/netfilter/Makefile linux-2.6.25.17/net/ipv4/netfilter/Makefile | |
56 | --- linux-2.6.25.17.org/net/ipv4/netfilter/Makefile 2008-09-08 10:20:51.000000000 +0000 | |
57 | +++ linux-2.6.25.17/net/ipv4/netfilter/Makefile 2008-09-29 15:19:39.000000000 +0000 | |
58 | @@ -45,6 +45,7 @@ | |
59 | obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o | |
60 | obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o | |
61 | obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o | |
62 | +obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o | |
63 | obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o | |
64 | ||
65 | # targets | |
66 | diff -Naur linux-2.6.25.17.org/net/ipv4/netfilter/ipt_ipp2p.c linux-2.6.25.17/net/ipv4/netfilter/ipt_ipp2p.c | |
67 | --- linux-2.6.25.17.org/net/ipv4/netfilter/ipt_ipp2p.c 1970-01-01 00:00:00.000000000 +0000 | |
68 | +++ linux-2.6.25.17/net/ipv4/netfilter/ipt_ipp2p.c 2008-09-29 15:19:39.000000000 +0000 | |
69 | @@ -0,0 +1,911 @@ | |
70 | +#if defined(MODVERSIONS) | |
71 | +#include <linux/modversions.h> | |
72 | +#endif | |
73 | +#include <linux/module.h> | |
74 | +#include <linux/version.h> | |
75 | +#include <linux/netfilter_ipv4/ip_tables.h> | |
76 | +#include <linux/netfilter_ipv4/ipt_ipp2p.h> | |
77 | +#include <net/tcp.h> | |
78 | +#include <net/udp.h> | |
79 | + | |
80 | +#define get_u8(X,O) (*(__u8 *)(X + O)) | |
81 | +#define get_u16(X,O) (*(__u16 *)(X + O)) | |
82 | +#define get_u32(X,O) (*(__u32 *)(X + O)) | |
83 | + | |
84 | +MODULE_AUTHOR("Eicke Friedrich/Klaus Degner <ipp2p@ipp2p.org>"); | |
85 | +MODULE_DESCRIPTION("An extension to iptables to identify P2P traffic."); | |
86 | +MODULE_LICENSE("GPL"); | |
87 | + | |
88 | + | |
89 | +/*Search for UDP eDonkey/eMule/Kad commands*/ | |
90 | +int | |
91 | +udp_search_edk (unsigned char *haystack, int packet_len) | |
92 | +{ | |
93 | + unsigned char *t = haystack; | |
94 | + t += 8; | |
95 | + | |
96 | + switch (t[0]) { | |
97 | + case 0xe3: | |
98 | + { /*edonkey*/ | |
99 | + switch (t[1]) | |
100 | + { | |
101 | + /* client -> server status request */ | |
102 | + case 0x96: | |
103 | + if (packet_len == 14) return ((IPP2P_EDK * 100) + 50); | |
104 | + break; | |
105 | + /* server -> client status request */ | |
106 | + case 0x97: if (packet_len == 42) return ((IPP2P_EDK * 100) + 51); | |
107 | + break; | |
108 | + /* server description request */ | |
109 | + /* e3 2a ff f0 .. | size == 6 */ | |
110 | + case 0xa2: if ( (packet_len == 14) && ( get_u16(t,2) == __constant_htons(0xfff0) ) ) return ((IPP2P_EDK * 100) + 52); | |
111 | + break; | |
112 | + /* server description response */ | |
113 | + /* e3 a3 ff f0 .. | size > 40 && size < 200 */ | |
114 | + //case 0xa3: return ((IPP2P_EDK * 100) + 53); | |
115 | + // break; | |
116 | + case 0x9a: if (packet_len==26) return ((IPP2P_EDK * 100) + 54); | |
117 | + break; | |
118 | + | |
119 | + case 0x92: if (packet_len==18) return ((IPP2P_EDK * 100) + 55); | |
120 | + break; | |
121 | + } | |
122 | + break; | |
123 | + } | |
124 | + case 0xe4: | |
125 | + { | |
126 | + switch (t[1]) | |
127 | + { | |
128 | + /* e4 20 .. | size == 43 */ | |
129 | + case 0x20: if ((packet_len == 43) && (t[2] != 0x00) && (t[34] != 0x00)) return ((IPP2P_EDK * 100) + 60); | |
130 | + break; | |
131 | + /* e4 00 .. 00 | size == 35 ? */ | |
132 | + case 0x00: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 61); | |
133 | + break; | |
134 | + /* e4 10 .. 00 | size == 35 ? */ | |
135 | + case 0x10: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 62); | |
136 | + break; | |
137 | + /* e4 18 .. 00 | size == 35 ? */ | |
138 | + case 0x18: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 63); | |
139 | + break; | |
140 | + /* e4 52 .. | size = 44 */ | |
141 | + case 0x52: if (packet_len == 44 ) return ((IPP2P_EDK * 100) + 64); | |
142 | + break; | |
143 | + /* e4 58 .. | size == 6 */ | |
144 | + case 0x58: if (packet_len == 14 ) return ((IPP2P_EDK * 100) + 65); | |
145 | + break; | |
146 | + /* e4 59 .. | size == 2 */ | |
147 | + case 0x59: if (packet_len == 10 )return ((IPP2P_EDK * 100) + 66); | |
148 | + break; | |
149 | + /* e4 28 .. | packet_len == 52,77,102,127... */ | |
150 | + case 0x28: if (((packet_len-52) % 25) == 0) return ((IPP2P_EDK * 100) + 67); | |
151 | + break; | |
152 | + /* e4 50 xx xx | size == 4 */ | |
153 | + case 0x50: if (packet_len == 12) return ((IPP2P_EDK * 100) + 68); | |
154 | + break; | |
155 | + /* e4 40 xx xx | size == 48 */ | |
156 | + case 0x40: if (packet_len == 56) return ((IPP2P_EDK * 100) + 69); | |
157 | + break; | |
158 | + } | |
159 | + break; | |
160 | + } | |
161 | + } /* end of switch (t[0]) */ | |
162 | + return 0; | |
163 | +}/*udp_search_edk*/ | |
164 | + | |
165 | + | |
166 | +/*Search for UDP Gnutella commands*/ | |
167 | +int | |
168 | +udp_search_gnu (unsigned char *haystack, int packet_len) | |
169 | +{ | |
170 | + unsigned char *t = haystack; | |
171 | + t += 8; | |
172 | + | |
173 | + if (memcmp(t, "GND", 3) == 0) return ((IPP2P_GNU * 100) + 51); | |
174 | + if (memcmp(t, "GNUTELLA ", 9) == 0) return ((IPP2P_GNU * 100) + 52); | |
175 | + return 0; | |
176 | +}/*udp_search_gnu*/ | |
177 | + | |
178 | + | |
179 | +/*Search for UDP KaZaA commands*/ | |
180 | +int | |
181 | +udp_search_kazaa (unsigned char *haystack, int packet_len) | |
182 | +{ | |
183 | + unsigned char *t = haystack; | |
184 | + | |
185 | + if (t[packet_len-1] == 0x00){ | |
186 | + t += (packet_len - 6); | |
187 | + if (memcmp(t, "KaZaA", 5) == 0) return (IPP2P_KAZAA * 100 +50); | |
188 | + } | |
189 | + | |
190 | + return 0; | |
191 | +}/*udp_search_kazaa*/ | |
192 | + | |
193 | +/*Search for UDP DirectConnect commands*/ | |
194 | +int | |
195 | +udp_search_directconnect (unsigned char *haystack, int packet_len) | |
196 | +{ | |
197 | + unsigned char *t = haystack; | |
198 | + if ((*(t + 8) == 0x24) && (*(t + packet_len - 1) == 0x7c)) { | |
199 | + t+=8; | |
200 | + if (memcmp(t, "SR ", 3) == 0) return ((IPP2P_DC * 100) + 60); | |
201 | + if (memcmp(t, "Ping ", 5) == 0) return ((IPP2P_DC * 100) + 61); | |
202 | + } | |
203 | + return 0; | |
204 | +}/*udp_search_directconnect*/ | |
205 | + | |
206 | + | |
207 | + | |
208 | +/*Search for UDP BitTorrent commands*/ | |
209 | +int | |
210 | +udp_search_bit (unsigned char *haystack, int packet_len) | |
211 | +{ | |
212 | + switch(packet_len) | |
213 | + { | |
214 | + case 24: | |
215 | + /* ^ 00 00 04 17 27 10 19 80 */ | |
216 | + if ((ntohl(get_u32(haystack, 8)) == 0x00000417) && (ntohl(get_u32(haystack, 12)) == 0x27101980)) | |
217 | + return (IPP2P_BIT * 100 + 50); | |
218 | + break; | |
219 | + case 44: | |
220 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000400) && get_u32(haystack, 36) == __constant_htonl(0x00000104)) | |
221 | + return (IPP2P_BIT * 100 + 51); | |
222 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000400)) | |
223 | + return (IPP2P_BIT * 100 + 61); | |
224 | + break; | |
225 | + case 65: | |
226 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000404) && get_u32(haystack, 36) == __constant_htonl(0x00000104)) | |
227 | + return (IPP2P_BIT * 100 + 52); | |
228 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000404)) | |
229 | + return (IPP2P_BIT * 100 + 62); | |
230 | + break; | |
231 | + case 67: | |
232 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000406) && get_u32(haystack, 36) == __constant_htonl(0x00000104)) | |
233 | + return (IPP2P_BIT * 100 + 53); | |
234 | + if (get_u32(haystack, 16) == __constant_htonl(0x00000406)) | |
235 | + return (IPP2P_BIT * 100 + 63); | |
236 | + break; | |
237 | + case 211: | |
238 | + if (get_u32(haystack, 8) == __constant_htonl(0x00000405)) | |
239 | + return (IPP2P_BIT * 100 + 54); | |
240 | + break; | |
241 | + case 29: | |
242 | + if ((get_u32(haystack, 8) == __constant_htonl(0x00000401))) | |
243 | + return (IPP2P_BIT * 100 + 55); | |
244 | + break; | |
245 | + case 52: | |
246 | + if (get_u32(haystack,8) == __constant_htonl(0x00000827) && | |
247 | + get_u32(haystack,12) == __constant_htonl(0x37502950)) | |
248 | + return (IPP2P_BIT * 100 + 80); | |
249 | + break; | |
250 | + default: | |
251 | + /* this packet does not have a constant size */ | |
252 | + if (packet_len >= 40 && get_u32(haystack, 16) == __constant_htonl(0x00000402) && get_u32(haystack, 36) == __constant_htonl(0x00000104)) | |
253 | + return (IPP2P_BIT * 100 + 56); | |
254 | + break; | |
255 | + } | |
256 | + | |
257 | + /* some extra-bitcomet rules: | |
258 | + * "d1:" [a|r] "d2:id20:" | |
259 | + */ | |
260 | + if (packet_len > 30 && get_u8(haystack, 8) == 'd' && get_u8(haystack, 9) == '1' && get_u8(haystack, 10) == ':' ) | |
261 | + { | |
262 | + if (get_u8(haystack, 11) == 'a' || get_u8(haystack, 11) == 'r') | |
263 | + { | |
264 | + if (memcmp(haystack+12,"d2:id20:",8)==0) | |
265 | + return (IPP2P_BIT * 100 + 57); | |
266 | + } | |
267 | + } | |
268 | + | |
269 | +#if 0 | |
270 | + /* bitlord rules */ | |
271 | + /* packetlen must be bigger than 40 */ | |
272 | + /* first 4 bytes are zero */ | |
273 | + if (packet_len > 40 && get_u32(haystack, 8) == 0x00000000) | |
274 | + { | |
275 | + /* first rule: 00 00 00 00 01 00 00 xx xx xx xx 00 00 00 00*/ | |
276 | + if (get_u32(haystack, 12) == 0x00000000 && | |
277 | + get_u32(haystack, 16) == 0x00010000 && | |
278 | + get_u32(haystack, 24) == 0x00000000 ) | |
279 | + return (IPP2P_BIT * 100 + 71); | |
280 | + | |
281 | + /* 00 01 00 00 0d 00 00 xx xx xx xx 00 00 00 00*/ | |
282 | + if (get_u32(haystack, 12) == 0x00000001 && | |
283 | + get_u32(haystack, 16) == 0x000d0000 && | |
284 | + get_u32(haystack, 24) == 0x00000000 ) | |
285 | + return (IPP2P_BIT * 100 + 71); | |
286 | + | |
287 | + | |
288 | + } | |
289 | +#endif | |
290 | + | |
291 | + return 0; | |
292 | +}/*udp_search_bit*/ | |
293 | + | |
294 | + | |
295 | + | |
296 | +/*Search for Ares commands*/ | |
297 | +//#define IPP2P_DEBUG_ARES | |
298 | +int | |
299 | +search_ares (const unsigned char *payload, const u16 plen) | |
300 | +//int search_ares (unsigned char *haystack, int packet_len, int head_len) | |
301 | +{ | |
302 | +// const unsigned char *t = haystack + head_len; | |
303 | + | |
304 | + /* all ares packets start with */ | |
305 | + if (payload[1] == 0 && (plen - payload[0]) == 3) | |
306 | + { | |
307 | + switch (payload[2]) | |
308 | + { | |
309 | + case 0x5a: | |
310 | + /* ares connect */ | |
311 | + if ( plen == 6 && payload[5] == 0x05 ) return ((IPP2P_ARES * 100) + 1); | |
312 | + break; | |
313 | + case 0x09: | |
314 | + /* ares search, min 3 chars --> 14 bytes | |
315 | + * lets define a search can be up to 30 chars --> max 34 bytes | |
316 | + */ | |
317 | + if ( plen >= 14 && plen <= 34 ) return ((IPP2P_ARES * 100) + 1); | |
318 | + break; | |
319 | +#ifdef IPP2P_DEBUG_ARES | |
320 | + default: | |
321 | + printk(KERN_DEBUG "Unknown Ares command %x recognized, len: %u \n", (unsigned int) payload[2],plen); | |
322 | +#endif /* IPP2P_DEBUG_ARES */ | |
323 | + } | |
324 | + } | |
325 | + | |
326 | +#if 0 | |
327 | + /* found connect packet: 03 00 5a 04 03 05 */ | |
328 | + /* new version ares 1.8: 03 00 5a xx xx 05 */ | |
329 | + if ((plen) == 6){ /* possible connect command*/ | |
330 | + if ((payload[0] == 0x03) && (payload[1] == 0x00) && (payload[2] == 0x5a) && (payload[5] == 0x05)) | |
331 | + return ((IPP2P_ARES * 100) + 1); | |
332 | + } | |
333 | + if ((plen) == 60){ /* possible download command*/ | |
334 | + if ((payload[59] == 0x0a) && (payload[58] == 0x0a)){ | |
335 | + if (memcmp(t, "PUSH SHA1:", 10) == 0) /* found download command */ | |
336 | + return ((IPP2P_ARES * 100) + 2); | |
337 | + } | |
338 | + } | |
339 | +#endif | |
340 | + | |
341 | + return 0; | |
342 | +} /*search_ares*/ | |
343 | + | |
344 | +/*Search for SoulSeek commands*/ | |
345 | +int | |
346 | +search_soul (const unsigned char *payload, const u16 plen) | |
347 | +{ | |
348 | +//#define IPP2P_DEBUG_SOUL | |
349 | + /* match: xx xx xx xx | xx = sizeof(payload) - 4 */ | |
350 | + if (get_u32(payload, 0) == (plen - 4)){ | |
351 | + const __u32 m=get_u32(payload, 4); | |
352 | + /* match 00 yy yy 00, yy can be everything */ | |
353 | + if ( get_u8(payload, 4) == 0x00 && get_u8(payload, 7) == 0x00 ) | |
354 | + { | |
355 | +#ifdef IPP2P_DEBUG_SOUL | |
356 | + printk(KERN_DEBUG "0: Soulseek command 0x%x recognized\n",get_u32(payload, 4)); | |
357 | +#endif /* IPP2P_DEBUG_SOUL */ | |
358 | + return ((IPP2P_SOUL * 100) + 1); | |
359 | + } | |
360 | + | |
361 | + /* next match: 01 yy 00 00 | yy can be everything */ | |
362 | + if ( get_u8(payload, 4) == 0x01 && get_u16(payload, 6) == 0x0000 ) | |
363 | + { | |
364 | +#ifdef IPP2P_DEBUG_SOUL | |
365 | + printk(KERN_DEBUG "1: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
366 | +#endif /* IPP2P_DEBUG_SOUL */ | |
367 | + return ((IPP2P_SOUL * 100) + 2); | |
368 | + } | |
369 | + | |
370 | + /* other soulseek commandos are: 1-5,7,9,13-18,22,23,26,28,35-37,40-46,50,51,60,62-69,91,92,1001 */ | |
371 | + /* try to do this in an intelligent way */ | |
372 | + /* get all small commandos */ | |
373 | + switch(m) | |
374 | + { | |
375 | + case 7: | |
376 | + case 9: | |
377 | + case 22: | |
378 | + case 23: | |
379 | + case 26: | |
380 | + case 28: | |
381 | + case 50: | |
382 | + case 51: | |
383 | + case 60: | |
384 | + case 91: | |
385 | + case 92: | |
386 | + case 1001: | |
387 | +#ifdef IPP2P_DEBUG_SOUL | |
388 | + printk(KERN_DEBUG "2: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
389 | +#endif /* IPP2P_DEBUG_SOUL */ | |
390 | + return ((IPP2P_SOUL * 100) + 3); | |
391 | + } | |
392 | + | |
393 | + if (m > 0 && m < 6 ) | |
394 | + { | |
395 | +#ifdef IPP2P_DEBUG_SOUL | |
396 | + printk(KERN_DEBUG "3: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
397 | +#endif /* IPP2P_DEBUG_SOUL */ | |
398 | + return ((IPP2P_SOUL * 100) + 4); | |
399 | + } | |
400 | + if (m > 12 && m < 19 ) | |
401 | + { | |
402 | +#ifdef IPP2P_DEBUG_SOUL | |
403 | + printk(KERN_DEBUG "4: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
404 | +#endif /* IPP2P_DEBUG_SOUL */ | |
405 | + return ((IPP2P_SOUL * 100) + 5); | |
406 | + } | |
407 | + | |
408 | + if (m > 34 && m < 38 ) | |
409 | + { | |
410 | +#ifdef IPP2P_DEBUG_SOUL | |
411 | + printk(KERN_DEBUG "5: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
412 | +#endif /* IPP2P_DEBUG_SOUL */ | |
413 | + return ((IPP2P_SOUL * 100) + 6); | |
414 | + } | |
415 | + | |
416 | + if (m > 39 && m < 47 ) | |
417 | + { | |
418 | +#ifdef IPP2P_DEBUG_SOUL | |
419 | + printk(KERN_DEBUG "6: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
420 | +#endif /* IPP2P_DEBUG_SOUL */ | |
421 | + return ((IPP2P_SOUL * 100) + 7); | |
422 | + } | |
423 | + | |
424 | + if (m > 61 && m < 70 ) | |
425 | + { | |
426 | +#ifdef IPP2P_DEBUG_SOUL | |
427 | + printk(KERN_DEBUG "7: Soulseek command 0x%x recognized\n",get_u16(payload, 4)); | |
428 | +#endif /* IPP2P_DEBUG_SOUL */ | |
429 | + return ((IPP2P_SOUL * 100) + 8); | |
430 | + } | |
431 | + | |
432 | +#ifdef IPP2P_DEBUG_SOUL | |
433 | + printk(KERN_DEBUG "unknown SOULSEEK command: 0x%x, first 16 bit: 0x%x, first 8 bit: 0x%x ,soulseek ???\n",get_u32(payload, 4),get_u16(payload, 4) >> 16,get_u8(payload, 4) >> 24); | |
434 | +#endif /* IPP2P_DEBUG_SOUL */ | |
435 | + } | |
436 | + | |
437 | + /* match 14 00 00 00 01 yy 00 00 00 STRING(YY) 01 00 00 00 00 46|50 00 00 00 00 */ | |
438 | + /* without size at the beginning !!! */ | |
439 | + if ( get_u32(payload, 0) == 0x14 && get_u8(payload, 4) == 0x01 ) | |
440 | + { | |
441 | + __u32 y=get_u32(payload, 5); | |
442 | + /* we need 19 chars + string */ | |
443 | + if ( (y + 19) <= (plen) ) | |
444 | + { | |
445 | + const unsigned char *w=payload+9+y; | |
446 | + if (get_u32(w, 0) == 0x01 && ( get_u16(w, 4) == 0x4600 || get_u16(w, 4) == 0x5000) && get_u32(w, 6) == 0x00); | |
447 | +#ifdef IPP2P_DEBUG_SOUL | |
448 | + printk(KERN_DEBUG "Soulssek special client command recognized\n"); | |
449 | +#endif /* IPP2P_DEBUG_SOUL */ | |
450 | + return ((IPP2P_SOUL * 100) + 9); | |
451 | + } | |
452 | + } | |
453 | + return 0; | |
454 | +} | |
455 | + | |
456 | + | |
457 | +/*Search for WinMX commands*/ | |
458 | +int | |
459 | +search_winmx (const unsigned char *payload, const u16 plen) | |
460 | +{ | |
461 | +//#define IPP2P_DEBUG_WINMX | |
462 | + if (((plen) == 4) && (memcmp(payload, "SEND", 4) == 0)) return ((IPP2P_WINMX * 100) + 1); | |
463 | + if (((plen) == 3) && (memcmp(payload, "GET", 3) == 0)) return ((IPP2P_WINMX * 100) + 2); | |
464 | + //if (packet_len < (head_len + 10)) return 0; | |
465 | + if (plen < 10) return 0; | |
466 | + | |
467 | + if ((memcmp(payload, "SEND", 4) == 0) || (memcmp(payload, "GET", 3) == 0)){ | |
468 | + u16 c=4; | |
469 | + const u16 end=plen-2; | |
470 | + u8 count=0; | |
471 | + while (c < end) | |
472 | + { | |
473 | + if (payload[c]== 0x20 && payload[c+1] == 0x22) | |
474 | + { | |
475 | + c++; | |
476 | + count++; | |
477 | + if (count>=2) return ((IPP2P_WINMX * 100) + 3); | |
478 | + } | |
479 | + c++; | |
480 | + } | |
481 | + } | |
482 | + | |
483 | + if ( plen == 149 && payload[0] == '8' ) | |
484 | + { | |
485 | +#ifdef IPP2P_DEBUG_WINMX | |
486 | + printk(KERN_INFO "maybe WinMX\n"); | |
487 | +#endif | |
488 | + if (get_u32(payload,17) == 0 && get_u32(payload,21) == 0 && get_u32(payload,25) == 0 && | |
489 | +// get_u32(payload,33) == __constant_htonl(0x71182b1a) && get_u32(payload,37) == __constant_htonl(0x05050000) && | |
490 | +// get_u32(payload,133) == __constant_htonl(0x31097edf) && get_u32(payload,145) == __constant_htonl(0xdcb8f792)) | |
491 | + get_u16(payload,39) == 0 && get_u16(payload,135) == __constant_htons(0x7edf) && get_u16(payload,147) == __constant_htons(0xf792)) | |
492 | + | |
493 | + { | |
494 | +#ifdef IPP2P_DEBUG_WINMX | |
495 | + printk(KERN_INFO "got WinMX\n"); | |
496 | +#endif | |
497 | + return ((IPP2P_WINMX * 100) + 4); | |
498 | + } | |
499 | + } | |
500 | + return 0; | |
501 | +} /*search_winmx*/ | |
502 | + | |
503 | + | |
504 | +/*Search for appleJuice commands*/ | |
505 | +int | |
506 | +search_apple (const unsigned char *payload, const u16 plen) | |
507 | +{ | |
508 | + if ( (plen > 7) && (payload[6] == 0x0d) && (payload[7] == 0x0a) && (memcmp(payload, "ajprot", 6) == 0)) return (IPP2P_APPLE * 100); | |
509 | + | |
510 | + return 0; | |
511 | +} | |
512 | + | |
513 | + | |
514 | +/*Search for BitTorrent commands*/ | |
515 | +int | |
516 | +search_bittorrent (const unsigned char *payload, const u16 plen) | |
517 | +{ | |
518 | + if (plen > 20) | |
519 | + { | |
520 | + /* test for match 0x13+"BitTorrent protocol" */ | |
521 | + if (payload[0] == 0x13) | |
522 | + { | |
523 | + if (memcmp(payload+1, "BitTorrent protocol", 19) == 0) return (IPP2P_BIT * 100); | |
524 | + } | |
525 | + | |
526 | + /* get tracker commandos, all starts with GET / | |
527 | + * then it can follow: scrape| announce | |
528 | + * and then ?hash_info= | |
529 | + */ | |
530 | + if (memcmp(payload,"GET /",5) == 0) | |
531 | + { | |
532 | + /* message scrape */ | |
533 | + if ( memcmp(payload+5,"scrape?info_hash=",17)==0 ) return (IPP2P_BIT * 100 + 1); | |
534 | + /* message announce */ | |
535 | + if ( memcmp(payload+5,"announce?info_hash=",19)==0 ) return (IPP2P_BIT * 100 + 2); | |
536 | + } | |
537 | + } | |
538 | + else | |
539 | + { | |
540 | + /* bitcomet encryptes the first packet, so we have to detect another | |
541 | + * one later in the flow */ | |
542 | + /* first try failed, too many missdetections */ | |
543 | + //if ( size == 5 && get_u32(t,0) == __constant_htonl(1) && t[4] < 3) return (IPP2P_BIT * 100 + 3); | |
544 | + | |
545 | + /* second try: block request packets */ | |
546 | + if ( plen == 17 && get_u32(payload,0) == __constant_htonl(0x0d) && payload[4] == 0x06 && get_u32(payload,13) == __constant_htonl(0x4000) ) return (IPP2P_BIT * 100 + 3); | |
547 | + } | |
548 | + | |
549 | + return 0; | |
550 | +} | |
551 | + | |
552 | + | |
553 | + | |
554 | +/*check for Kazaa get command*/ | |
555 | +int | |
556 | +search_kazaa (const unsigned char *payload, const u16 plen) | |
557 | + | |
558 | +{ | |
559 | + if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a) && memcmp(payload, "GET /.hash=", 11) == 0) | |
560 | + return (IPP2P_DATA_KAZAA * 100); | |
561 | + | |
562 | + return 0; | |
563 | +} | |
564 | + | |
565 | + | |
566 | +/*check for gnutella get command*/ | |
567 | +int | |
568 | +search_gnu (const unsigned char *payload, const u16 plen) | |
569 | +{ | |
570 | + if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a)) | |
571 | + { | |
572 | + if (memcmp(payload, "GET /get/", 9) == 0) return ((IPP2P_DATA_GNU * 100) + 1); | |
573 | + if (memcmp(payload, "GET /uri-res/", 13) == 0) return ((IPP2P_DATA_GNU * 100) + 2); | |
574 | + } | |
575 | + return 0; | |
576 | +} | |
577 | + | |
578 | + | |
579 | +/*check for gnutella get commands and other typical data*/ | |
580 | +int | |
581 | +search_all_gnu (const unsigned char *payload, const u16 plen) | |
582 | +{ | |
583 | + | |
584 | + if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a)) | |
585 | + { | |
586 | + | |
587 | + if (memcmp(payload, "GNUTELLA CONNECT/", 17) == 0) return ((IPP2P_GNU * 100) + 1); | |
588 | + if (memcmp(payload, "GNUTELLA/", 9) == 0) return ((IPP2P_GNU * 100) + 2); | |
589 | + | |
590 | + | |
591 | + if ((memcmp(payload, "GET /get/", 9) == 0) || (memcmp(payload, "GET /uri-res/", 13) == 0)) | |
592 | + { | |
593 | + u16 c=8; | |
594 | + const u16 end=plen-22; | |
595 | + while (c < end) { | |
596 | + if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Gnutella-", 11) == 0) || (memcmp(&payload[c+2], "X-Queue:", 8) == 0))) | |
597 | + return ((IPP2P_GNU * 100) + 3); | |
598 | + c++; | |
599 | + } | |
600 | + } | |
601 | + } | |
602 | + return 0; | |
603 | +} | |
604 | + | |
605 | + | |
606 | +/*check for KaZaA download commands and other typical data*/ | |
607 | +int | |
608 | +search_all_kazaa (const unsigned char *payload, const u16 plen) | |
609 | +{ | |
610 | + if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a)) | |
611 | + { | |
612 | + | |
613 | + if (memcmp(payload, "GIVE ", 5) == 0) return ((IPP2P_KAZAA * 100) + 1); | |
614 | + | |
615 | + if (memcmp(payload, "GET /", 5) == 0) { | |
616 | + u16 c = 8; | |
617 | + const u16 end=plen-22; | |
618 | + while (c < end) { | |
619 | + if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Kazaa-Username: ", 18) == 0) || (memcmp(&payload[c+2], "User-Agent: PeerEnabler/", 24) == 0))) | |
620 | + return ((IPP2P_KAZAA * 100) + 2); | |
621 | + c++; | |
622 | + } | |
623 | + } | |
624 | + } | |
625 | + return 0; | |
626 | +} | |
627 | + | |
628 | +/*fast check for edonkey file segment transfer command*/ | |
629 | +int | |
630 | +search_edk (const unsigned char *payload, const u16 plen) | |
631 | +{ | |
632 | + if (payload[0] != 0xe3) | |
633 | + return 0; | |
634 | + else { | |
635 | + if (payload[5] == 0x47) | |
636 | + return (IPP2P_DATA_EDK * 100); | |
637 | + else | |
638 | + return 0; | |
639 | + } | |
640 | +} | |
641 | + | |
642 | + | |
643 | + | |
644 | +/*intensive but slower search for some edonkey packets including size-check*/ | |
645 | +int | |
646 | +search_all_edk (const unsigned char *payload, const u16 plen) | |
647 | +{ | |
648 | + if (payload[0] != 0xe3) | |
649 | + return 0; | |
650 | + else { | |
651 | + //t += head_len; | |
652 | + const u16 cmd = get_u16(payload, 1); | |
653 | + if (cmd == (plen - 5)) { | |
654 | + switch (payload[5]) { | |
655 | + case 0x01: return ((IPP2P_EDK * 100) + 1); /*Client: hello or Server:hello*/ | |
656 | + case 0x4c: return ((IPP2P_EDK * 100) + 9); /*Client: Hello-Answer*/ | |
657 | + } | |
658 | + } | |
659 | + return 0; | |
660 | + } | |
661 | +} | |
662 | + | |
663 | + | |
664 | +/*fast check for Direct Connect send command*/ | |
665 | +int | |
666 | +search_dc (const unsigned char *payload, const u16 plen) | |
667 | +{ | |
668 | + | |
669 | + if (payload[0] != 0x24 ) | |
670 | + return 0; | |
671 | + else { | |
672 | + if (memcmp(&payload[1], "Send|", 5) == 0) | |
673 | + return (IPP2P_DATA_DC * 100); | |
674 | + else | |
675 | + return 0; | |
676 | + } | |
677 | + | |
678 | +} | |
679 | + | |
680 | + | |
681 | +/*intensive but slower check for all direct connect packets*/ | |
682 | +int | |
683 | +search_all_dc (const unsigned char *payload, const u16 plen) | |
684 | +{ | |
685 | +// unsigned char *t = haystack; | |
686 | + | |
687 | + if (payload[0] == 0x24 && payload[plen-1] == 0x7c) | |
688 | + { | |
689 | + const unsigned char *t=&payload[1]; | |
690 | + /* Client-Hub-Protocol */ | |
691 | + if (memcmp(t, "Lock ", 5) == 0) return ((IPP2P_DC * 100) + 1); | |
692 | + /* Client-Client-Protocol, some are already recognized by client-hub (like lock) */ | |
693 | + if (memcmp(t, "MyNick ", 7) == 0) return ((IPP2P_DC * 100) + 38); | |
694 | + } | |
695 | + return 0; | |
696 | +} | |
697 | + | |
698 | +/*check for mute*/ | |
699 | +int | |
700 | +search_mute (const unsigned char *payload, const u16 plen) | |
701 | +{ | |
702 | + if ( plen == 209 || plen == 345 || plen == 473 || plen == 609 || plen == 1121 ) | |
703 | + { | |
704 | + //printk(KERN_DEBUG "size hit: %u",size); | |
705 | + if (memcmp(payload,"PublicKey: ",11) == 0 ) | |
706 | + { | |
707 | + return ((IPP2P_MUTE * 100) + 0); | |
708 | + | |
709 | +/* if (memcmp(t+size-14,"\x0aEndPublicKey\x0a",14) == 0) | |
710 | + { | |
711 | + printk(KERN_DEBUG "end pubic key hit: %u",size); | |
712 | + | |
713 | + }*/ | |
714 | + } | |
715 | + } | |
716 | + return 0; | |
717 | +} | |
718 | + | |
719 | + | |
720 | +/* check for xdcc */ | |
721 | +int | |
722 | +search_xdcc (const unsigned char *payload, const u16 plen) | |
723 | +{ | |
724 | + /* search in small packets only */ | |
725 | + if (plen > 20 && plen < 200 && payload[plen-1] == 0x0a && payload[plen-2] == 0x0d && memcmp(payload,"PRIVMSG ",8) == 0) | |
726 | + { | |
727 | + | |
728 | + u16 x=10; | |
729 | + const u16 end=plen - 13; | |
730 | + | |
731 | + /* is seems to be a irc private massage, chedck for xdcc command */ | |
732 | + while (x < end) | |
733 | + { | |
734 | + if (payload[x] == ':') | |
735 | + { | |
736 | + if ( memcmp(&payload[x+1],"xdcc send #",11) == 0 ) | |
737 | + return ((IPP2P_XDCC * 100) + 0); | |
738 | + } | |
739 | + x++; | |
740 | + } | |
741 | + } | |
742 | + return 0; | |
743 | +} | |
744 | + | |
745 | +/* search for waste */ | |
746 | +int search_waste(const unsigned char *payload, const u16 plen) | |
747 | +{ | |
748 | + if ( plen >= 8 && memcmp(payload,"GET.sha1:",9) == 0) | |
749 | + return ((IPP2P_WASTE * 100) + 0); | |
750 | + | |
751 | + return 0; | |
752 | +} | |
753 | + | |
754 | + | |
755 | +static struct { | |
756 | + int command; | |
757 | + __u8 short_hand; /*for fucntions included in short hands*/ | |
758 | + int packet_len; | |
759 | + int (*function_name) (const unsigned char *, const u16); | |
760 | +} matchlist[] = { | |
761 | + {IPP2P_EDK,SHORT_HAND_IPP2P,20, &search_all_edk}, | |
762 | +// {IPP2P_DATA_KAZAA,SHORT_HAND_DATA,200, &search_kazaa}, | |
763 | +// {IPP2P_DATA_EDK,SHORT_HAND_DATA,60, &search_edk}, | |
764 | +// {IPP2P_DATA_DC,SHORT_HAND_DATA,26, &search_dc}, | |
765 | + {IPP2P_DC,SHORT_HAND_IPP2P,5, search_all_dc}, | |
766 | +// {IPP2P_DATA_GNU,SHORT_HAND_DATA,40, &search_gnu}, | |
767 | + {IPP2P_GNU,SHORT_HAND_IPP2P,5, &search_all_gnu}, | |
768 | + {IPP2P_KAZAA,SHORT_HAND_IPP2P,5, &search_all_kazaa}, | |
769 | + {IPP2P_BIT,SHORT_HAND_IPP2P,20, &search_bittorrent}, | |
770 | + {IPP2P_APPLE,SHORT_HAND_IPP2P,5, &search_apple}, | |
771 | + {IPP2P_SOUL,SHORT_HAND_IPP2P,5, &search_soul}, | |
772 | + {IPP2P_WINMX,SHORT_HAND_IPP2P,2, &search_winmx}, | |
773 | + {IPP2P_ARES,SHORT_HAND_IPP2P,5, &search_ares}, | |
774 | + {IPP2P_MUTE,SHORT_HAND_NONE,200, &search_mute}, | |
775 | + {IPP2P_WASTE,SHORT_HAND_NONE,5, &search_waste}, | |
776 | + {IPP2P_XDCC,SHORT_HAND_NONE,5, &search_xdcc}, | |
777 | + {0,0,0,NULL} | |
778 | +}; | |
779 | + | |
780 | + | |
781 | +static struct { | |
782 | + int command; | |
783 | + __u8 short_hand; /*for fucntions included in short hands*/ | |
784 | + int packet_len; | |
785 | + int (*function_name) (unsigned char *, int); | |
786 | +} udp_list[] = { | |
787 | + { IPP2P_KAZAA, SHORT_HAND_IPP2P, 14, &udp_search_kazaa}, | |
788 | + { IPP2P_BIT, SHORT_HAND_IPP2P, 23, &udp_search_bit}, | |
789 | + { IPP2P_GNU, SHORT_HAND_IPP2P, 11, &udp_search_gnu}, | |
790 | + { IPP2P_EDK, SHORT_HAND_IPP2P, 9, &udp_search_edk}, | |
791 | + { IPP2P_DC, SHORT_HAND_IPP2P, 12, &udp_search_directconnect}, | |
792 | + { 0, 0, 0, NULL } | |
793 | +}; | |
794 | + | |
795 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) | |
796 | +static bool | |
797 | +#else | |
798 | +static int | |
799 | +#endif | |
800 | +match(const struct sk_buff *skb, | |
801 | + const struct net_device *in, | |
802 | + const struct net_device *out, | |
803 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) | |
804 | + const struct xt_match *match, | |
805 | +#endif | |
806 | + const void *matchinfo, | |
807 | + int offset, | |
808 | +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) | |
809 | + const void *hdr, | |
810 | + u_int16_t datalen, | |
811 | +#endif | |
812 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) | |
813 | + unsigned int protoff, | |
814 | +#endif | |
815 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) | |
816 | + bool *hotdrop) | |
817 | +#else | |
818 | + bool *hotdrop) | |
819 | +#endif | |
820 | +{ | |
821 | + const struct ipt_p2p_info *info = matchinfo; | |
822 | + unsigned char *haystack; | |
823 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) | |
824 | + struct iphdr *ip = ip_hdr(skb); | |
825 | +#else | |
826 | + struct iphdr *ip = skb->nh.iph; | |
827 | +#endif | |
828 | + int p2p_result = 0, i = 0; | |
829 | +// int head_len; | |
830 | + int hlen = ntohs(ip->tot_len)-(ip->ihl*4); /*hlen = packet-data length*/ | |
831 | + | |
832 | + /*must not be a fragment*/ | |
833 | + if (offset) { | |
834 | + if (info->debug) printk("IPP2P.match: offset found %i \n",offset); | |
835 | + return 0; | |
836 | + } | |
837 | + | |
838 | + /*make sure that skb is linear*/ | |
839 | + if(skb_is_nonlinear(skb)){ | |
840 | + if (info->debug) printk("IPP2P.match: nonlinear skb found\n"); | |
841 | + return 0; | |
842 | + } | |
843 | + | |
844 | + | |
845 | + haystack=(char *)ip+(ip->ihl*4); /*haystack = packet data*/ | |
846 | + | |
847 | + switch (ip->protocol){ | |
848 | + case IPPROTO_TCP: /*what to do with a TCP packet*/ | |
849 | + { | |
850 | + struct tcphdr *tcph = (void *) ip + ip->ihl * 4; | |
851 | + | |
852 | + if (tcph->fin) return 0; /*if FIN bit is set bail out*/ | |
853 | + if (tcph->syn) return 0; /*if SYN bit is set bail out*/ | |
854 | + if (tcph->rst) return 0; /*if RST bit is set bail out*/ | |
855 | + | |
856 | + haystack += tcph->doff * 4; /*get TCP-Header-Size*/ | |
857 | + hlen -= tcph->doff * 4; | |
858 | + while (matchlist[i].command) { | |
859 | + if ((((info->cmd & matchlist[i].command) == matchlist[i].command) || | |
860 | + ((info->cmd & matchlist[i].short_hand) == matchlist[i].short_hand)) && | |
861 | + (hlen > matchlist[i].packet_len)) { | |
862 | + p2p_result = matchlist[i].function_name(haystack, hlen); | |
863 | + if (p2p_result) | |
864 | + { | |
865 | + if (info->debug) printk("IPP2P.debug:TCP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n", | |
866 | + p2p_result, NIPQUAD(ip->saddr),ntohs(tcph->source), NIPQUAD(ip->daddr),ntohs(tcph->dest),hlen); | |
867 | + return p2p_result; | |
868 | + } | |
869 | + } | |
870 | + i++; | |
871 | + } | |
872 | + return p2p_result; | |
873 | + } | |
874 | + | |
875 | + case IPPROTO_UDP: /*what to do with an UDP packet*/ | |
876 | + { | |
877 | + struct udphdr *udph = (void *) ip + ip->ihl * 4; | |
878 | + | |
879 | + while (udp_list[i].command){ | |
880 | + if ((((info->cmd & udp_list[i].command) == udp_list[i].command) || | |
881 | + ((info->cmd & udp_list[i].short_hand) == udp_list[i].short_hand)) && | |
882 | + (hlen > udp_list[i].packet_len)) { | |
883 | + p2p_result = udp_list[i].function_name(haystack, hlen); | |
884 | + if (p2p_result){ | |
885 | + if (info->debug) printk("IPP2P.debug:UDP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n", | |
886 | + p2p_result, NIPQUAD(ip->saddr),ntohs(udph->source), NIPQUAD(ip->daddr),ntohs(udph->dest),hlen); | |
887 | + return p2p_result; | |
888 | + } | |
889 | + } | |
890 | + i++; | |
891 | + } | |
892 | + return p2p_result; | |
893 | + } | |
894 | + | |
895 | + default: return 0; | |
896 | + } | |
897 | +} | |
898 | + | |
899 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) | |
900 | +static bool | |
901 | +#else | |
902 | +static int | |
903 | +#endif | |
904 | +checkentry(const char *tablename, | |
905 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) | |
906 | + const void *ip, | |
907 | +#else | |
908 | + const struct ipt_ip *ip, | |
909 | +#endif | |
910 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) | |
911 | + const struct xt_match *match, | |
912 | +#endif | |
913 | + void *matchinfo, | |
914 | +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) | |
915 | + unsigned int matchsize, | |
916 | +#endif | |
917 | + unsigned int hook_mask) | |
918 | +{ | |
919 | + /* Must specify -p tcp */ | |
920 | +/* if (ip->proto != IPPROTO_TCP || (ip->invflags & IPT_INV_PROTO)) { | |
921 | + * printk("ipp2p: Only works on TCP packets, use -p tcp\n"); | |
922 | + * return 0; | |
923 | + * }*/ | |
924 | + return 1; | |
925 | +} | |
926 | + | |
927 | + | |
928 | + | |
929 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) | |
930 | +static struct xt_match ipp2p_match = { | |
931 | +#else | |
932 | +static struct ipt_match ipp2p_match = { | |
933 | +#endif | |
934 | +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) | |
935 | + { NULL, NULL }, | |
936 | + "ipp2p", | |
937 | + &ipp2p_match, | |
938 | + &ipp2p_checkentry, | |
939 | + NULL, | |
940 | + THIS_MODULE | |
941 | +#endif | |
942 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
943 | + .name = "ipp2p", | |
944 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) | |
945 | + .family = AF_INET, | |
946 | +#endif | |
947 | + .match = &match, | |
948 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) | |
949 | + .matchsize = sizeof(struct ipt_p2p_info), | |
950 | +#endif | |
951 | + .checkentry = &checkentry, | |
952 | + .me = THIS_MODULE, | |
953 | +#endif | |
954 | +}; | |
955 | + | |
956 | + | |
957 | +static int __init init(void) | |
958 | +{ | |
959 | + printk(KERN_INFO "IPP2P v%s loading\n", IPP2P_VERSION); | |
960 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) | |
961 | + return xt_register_match(&ipp2p_match); | |
962 | +#else | |
963 | + return ipt_register_match(&ipp2p_match); | |
964 | +#endif | |
965 | +} | |
966 | + | |
967 | +static void __exit fini(void) | |
968 | +{ | |
969 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) | |
970 | + xt_unregister_match(&ipp2p_match); | |
971 | +#else | |
972 | + ipt_unregister_match(&ipp2p_match); | |
973 | +#endif | |
974 | + printk(KERN_INFO "IPP2P v%s unloaded\n", IPP2P_VERSION); | |
975 | +} | |
976 | + | |
977 | +module_init(init); | |
978 | +module_exit(fini); | |
979 | + | |
980 | + |