1 | |
---|
2 | |
---|
3 | |
---|
4 | |
---|
5 | |
---|
6 | |
---|
7 | |
---|
8 | |
---|
9 | |
---|
10 | |
---|
11 | |
---|
12 | |
---|
13 | |
---|
14 | |
---|
15 | |
---|
16 | |
---|
17 | |
---|
18 | |
---|
19 | |
---|
20 | |
---|
21 | |
---|
22 | |
---|
23 | |
---|
24 | |
---|
25 | |
---|
26 | #include "dataFlowSet.h" |
---|
27 | |
---|
28 | |
---|
29 | |
---|
30 | |
---|
31 | |
---|
32 | unsigned short |
---|
33 | checkDataFlowSet(unsigned short shift, RouterPtr cr, NetFlowV9HeaderPtr v9Ptr, |
---|
34 | unsigned short *offV9, unsigned char *buf, short *cFNPtr, |
---|
35 | short *cFId, DatagramPtr pcktPtr, RuleDefPtr *rulesCache, |
---|
36 | RulesPtr rlPtr, int myQueue, struct PrefixV4 *V4PTab, |
---|
37 | size_t nbPV4) |
---|
38 | { |
---|
39 | TplFlowSetPtr tmp; |
---|
40 | FieldPtr pftmp; |
---|
41 | FieldPtr secondPftmp; |
---|
42 | unsigned short data_length = 0; |
---|
43 | unsigned short flow_size = 0; |
---|
44 | unsigned short oldOffset = *offV9; |
---|
45 | unsigned short secondOffset = 0; |
---|
46 | unsigned short secondOldOffset = 0; |
---|
47 | int moreIsNecessary = 1; |
---|
48 | int field_size = 0; |
---|
49 | int cpt = 0; |
---|
50 | int secondCpt = 0; |
---|
51 | int overflow = 0; |
---|
52 | int noEnd = 1; |
---|
53 | int i = 0; |
---|
54 | int j = 0; |
---|
55 | int pos = 0; |
---|
56 | unsigned char buffer1; |
---|
57 | unsigned char buffer2[2]; |
---|
58 | unsigned char buffer4[4]; |
---|
59 | RulesPtr tmpRuleList = rlPtr; |
---|
60 | msgType myMsg; |
---|
61 | char *msgTextIndex; |
---|
62 | unsigned short tplMsgType = 11; |
---|
63 | struct PrefixV4 prefixKey, *res; |
---|
64 | struct AggCache agCache; |
---|
65 | int bool = 0; |
---|
66 | |
---|
67 | buffer2[1] = *(buf+(*offV9));(*offV9)++; |
---|
68 | buffer2[0] = *(buf+(*offV9));(*offV9)++; |
---|
69 | (*cFId) = *((unsigned short*)&buffer2); |
---|
70 | buffer2[1] = *(buf+(*offV9));(*offV9)++; |
---|
71 | buffer2[0] = *(buf+(*offV9));(*offV9)++; |
---|
72 | data_length = *((unsigned short*)&buffer2); |
---|
73 | if ((tmp=existTplId(cr, v9Ptr->sourceId, |
---|
74 | (*cFId)))!=NULL) { |
---|
75 | pftmp = tmp->lastField; |
---|
76 | for (; pftmp; pftmp = pftmp->prev) { |
---|
77 | flow_size += pftmp->fieldLength; |
---|
78 | } |
---|
79 | if ( data_length%flow_size >= 9 ) { |
---|
80 | (*cFNPtr) = v9Ptr->count; |
---|
81 | syslog(LOG_INFO, "data flowset length not match with length from template definition, wrong template definition suspected; all next informations of this data flowset are not considered! flowset ID: %hu, from router: %lu.%lu.%lu.%lu", |
---|
82 | (*cFId), |
---|
83 | (pcktPtr->ipH->srcAdd>>24), |
---|
84 | (pcktPtr->ipH->srcAdd<<8>>24), |
---|
85 | (pcktPtr->ipH->srcAdd<<16>>24), |
---|
86 | (pcktPtr->ipH->srcAdd<<24>>24)); |
---|
87 | return (data_length+shift); |
---|
88 | } |
---|
89 | |
---|
90 | agCache.routerAd = pcktPtr->ipH->srcAdd; |
---|
91 | |
---|
92 | pftmp = tmp->lastField; |
---|
93 | secondPftmp = tmp->lastField; |
---|
94 | secondOffset = *offV9; |
---|
95 | secondOldOffset = secondOffset; |
---|
96 | while ( (((*offV9)-48-shift) <= data_length) && (overflow!=1) ) { |
---|
97 | |
---|
98 | |
---|
99 | |
---|
100 | |
---|
101 | |
---|
102 | |
---|
103 | cpt++; |
---|
104 | j=0; |
---|
105 | pos = (pftmp->fieldType)*10+j; |
---|
106 | field_size = (int) pftmp->fieldLength; |
---|
107 | |
---|
108 | |
---|
109 | |
---|
110 | |
---|
111 | if (((RuleDefPtr)(*(rulesCache+pos))) != NULL) { |
---|
112 | oldOffset = *offV9; |
---|
113 | while (((RuleDefPtr)(*(rulesCache+pos))) != NULL){ |
---|
114 | |
---|
115 | |
---|
116 | |
---|
117 | *offV9 = oldOffset; |
---|
118 | switch ((int) |
---|
119 | (((RuleDefPtr)(*(rulesCache+pos)))->operator)){ |
---|
120 | case 2: |
---|
121 | switch (field_size) { |
---|
122 | case 1: |
---|
123 | buffer1 = *(buf+(*offV9)); (*offV9)++; |
---|
124 | |
---|
125 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->stor.cvalue |
---|
126 | == *((unsigned char*)&buffer1)) { |
---|
127 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
128 | } |
---|
129 | |
---|
130 | |
---|
131 | if ((pftmp->fieldType==9)||(pftmp->fieldType==29)){ |
---|
132 | agCache.maskS = *((unsigned char*)&buffer1); |
---|
133 | } |
---|
134 | if ((pftmp->fieldType==13)||(pftmp->fieldType==30)){ |
---|
135 | agCache.maskD = *((unsigned char*)&buffer1); |
---|
136 | } |
---|
137 | if (pftmp->fieldType==60){ |
---|
138 | agCache.ipProt = *((unsigned char*)&buffer1); |
---|
139 | } |
---|
140 | if (pftmp->fieldType==4){ |
---|
141 | agCache.tProt = *((unsigned char*)&buffer1); |
---|
142 | } |
---|
143 | if (pftmp->fieldType==61){ |
---|
144 | agCache.sens = *((unsigned char*)&buffer1); |
---|
145 | } |
---|
146 | if (pftmp->fieldType==5){ |
---|
147 | agCache.dscp = *((unsigned char*)&buffer1); |
---|
148 | } |
---|
149 | |
---|
150 | break; |
---|
151 | case 2: |
---|
152 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; |
---|
153 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; |
---|
154 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->stor.svalue |
---|
155 | == *((unsigned short*)&buffer2)) |
---|
156 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
157 | |
---|
158 | if (pftmp->fieldType==10){ |
---|
159 | agCache.idSnmp = *((unsigned short*)&buffer2); |
---|
160 | } |
---|
161 | |
---|
162 | break; |
---|
163 | case 3: |
---|
164 | buffer4[3]= 0; |
---|
165 | buffer4[2]= *(buf+(*offV9)); (*offV9)++; |
---|
166 | buffer4[1]= *(buf+(*offV9)); (*offV9)++; |
---|
167 | buffer4[0]= *(buf+(*offV9)); (*offV9)++; |
---|
168 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->stor.lvalue |
---|
169 | == *((unsigned long*)&buffer4)) |
---|
170 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
171 | |
---|
172 | |
---|
173 | break; |
---|
174 | case 4: |
---|
175 | buffer4[3]= *(buf+(*offV9)); (*offV9)++; |
---|
176 | buffer4[2]= *(buf+(*offV9)); (*offV9)++; |
---|
177 | buffer4[1]= *(buf+(*offV9)); (*offV9)++; |
---|
178 | buffer4[0]= *(buf+(*offV9)); (*offV9)++; |
---|
179 | |
---|
180 | if ((pftmp->fieldType==8)||(pftmp->fieldType==12)){ |
---|
181 | if ((((RuleDefPtr)(*(rulesCache+pos)))->value->stor.lvalue) |
---|
182 | == (*((unsigned long*)&buffer4))>>(32-((RuleDefPtr)(*(rulesCache+pos)))->value->mask)<<(32-((RuleDefPtr)(*(rulesCache+pos)))->value->mask) ) |
---|
183 | { |
---|
184 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
185 | } |
---|
186 | } |
---|
187 | |
---|
188 | if ((pftmp->fieldType==8)){ |
---|
189 | agCache.v4AdS = *((unsigned long*)&buffer4); |
---|
190 | } |
---|
191 | if ((pftmp->fieldType==12)){ |
---|
192 | agCache.v4AdD = *((unsigned long*)&buffer4); |
---|
193 | } |
---|
194 | if (pftmp->fieldType==1){ |
---|
195 | agCache.bytes = *((unsigned long*)&buffer4); |
---|
196 | } |
---|
197 | if (pftmp->fieldType==2){ |
---|
198 | agCache.pkts = *((unsigned long*)&buffer4); |
---|
199 | } |
---|
200 | |
---|
201 | break; |
---|
202 | case 16: |
---|
203 | for (i=0; i<4; i++) { |
---|
204 | buffer4[3]= *(buf+(*offV9)); (*offV9)++; |
---|
205 | buffer4[2]= *(buf+(*offV9)); (*offV9)++; |
---|
206 | buffer4[1]= *(buf+(*offV9)); (*offV9)++; |
---|
207 | buffer4[0]= *(buf+(*offV9)); (*offV9)++; |
---|
208 | if (1==moreIsNecessary){ |
---|
209 | switch(i){ |
---|
210 | case 0: |
---|
211 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->mask <= 32){ |
---|
212 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
213 | == |
---|
214 | (*((unsigned long*)&buffer4))>>(32-((RuleDefPtr)(*(rulesCache+pos)))->value->mask)<<(32-((RuleDefPtr)(*(rulesCache+pos)))->value->mask) |
---|
215 | ) |
---|
216 | { |
---|
217 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
218 | moreIsNecessary = 0; |
---|
219 | } else { |
---|
220 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
221 | moreIsNecessary = 0; |
---|
222 | } |
---|
223 | } else { |
---|
224 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
225 | == |
---|
226 | (*((unsigned long*)&buffer4)) |
---|
227 | ) |
---|
228 | { |
---|
229 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 1; |
---|
230 | } else { |
---|
231 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
232 | moreIsNecessary = 0; |
---|
233 | } |
---|
234 | } |
---|
235 | break; |
---|
236 | case 1: |
---|
237 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->mask <= 64){ |
---|
238 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
239 | == |
---|
240 | (*((unsigned long*)&buffer4))>>(64-((RuleDefPtr)(*(rulesCache+pos)))->value->mask)<<(64-((RuleDefPtr)(*(rulesCache+pos)))->value->mask) |
---|
241 | ) |
---|
242 | { |
---|
243 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
244 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
245 | moreIsNecessary = 0; |
---|
246 | } else { |
---|
247 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
248 | moreIsNecessary = 0; |
---|
249 | } |
---|
250 | } else { |
---|
251 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
252 | == |
---|
253 | (*((unsigned long*)&buffer4)) |
---|
254 | ) |
---|
255 | { |
---|
256 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
257 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
258 | } else { |
---|
259 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
260 | moreIsNecessary = 0; |
---|
261 | } |
---|
262 | } |
---|
263 | break; |
---|
264 | case 2: |
---|
265 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->mask <= 96){ |
---|
266 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
267 | == |
---|
268 | (*((unsigned long*)&buffer4))>>(96-((RuleDefPtr)(*(rulesCache+pos)))->value->mask)<<(96-((RuleDefPtr)(*(rulesCache+pos)))->value->mask) |
---|
269 | ) |
---|
270 | { |
---|
271 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
272 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
273 | moreIsNecessary = 0; |
---|
274 | } else { |
---|
275 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
276 | moreIsNecessary = 0; |
---|
277 | } |
---|
278 | } else { |
---|
279 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
280 | == |
---|
281 | (*((unsigned long*)&buffer4)) |
---|
282 | ) |
---|
283 | { |
---|
284 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
285 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
286 | } else { |
---|
287 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
288 | moreIsNecessary = 0; |
---|
289 | } |
---|
290 | } |
---|
291 | break; |
---|
292 | case 3: |
---|
293 | if (((RuleDefPtr)(*(rulesCache+pos)))->value->mask <= 128){ |
---|
294 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
295 | == |
---|
296 | (*((unsigned long*)&buffer4))>>(128-((RuleDefPtr)(*(rulesCache+pos)))->value->mask)<<(128-((RuleDefPtr)(*(rulesCache+pos)))->value->mask) |
---|
297 | ) |
---|
298 | { |
---|
299 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
300 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
301 | } else { |
---|
302 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
303 | moreIsNecessary = 0; |
---|
304 | } |
---|
305 | } else { |
---|
306 | if (ntohl(((RuleDefPtr)(*(rulesCache+pos)))->value->stor.tabAdd6[i]) |
---|
307 | == |
---|
308 | (*((unsigned long*)&buffer4)) |
---|
309 | ) |
---|
310 | { |
---|
311 | ((RuleDefPtr)(*(rulesCache+pos)))->check = |
---|
312 | ((RuleDefPtr)(*(rulesCache+pos)))->check && 1; |
---|
313 | } else { |
---|
314 | ((RuleDefPtr)(*(rulesCache+pos)))->check = 0; |
---|
315 | moreIsNecessary = 0; |
---|
316 | } |
---|
317 | } |
---|
318 | break; |
---|
319 | default: |
---|
320 | break; |
---|
321 | } |
---|
322 | } |
---|
323 | } |
---|
324 | moreIsNecessary = 1; |
---|
325 | |
---|
326 | |
---|
327 | |
---|
328 | break; |
---|
329 | default: |
---|
330 | syslog(LOG_INFO, "Field size not known: %d\n", field_size); |
---|
331 | for (i=0; i<field_size; i++){ |
---|
332 | (*offV9)++; |
---|
333 | } |
---|
334 | break; |
---|
335 | } |
---|
336 | break; |
---|
337 | default: |
---|
338 | syslog(LOG_INFO, "Operator not known: %d\n", |
---|
339 | (int)(((RuleDefPtr)(*(rulesCache+pos)))->operator)); |
---|
340 | break; |
---|
341 | } |
---|
342 | j++; |
---|
343 | pos = (pftmp->fieldType)*10+j; |
---|
344 | } |
---|
345 | } else { |
---|
346 | |
---|
347 | |
---|
348 | |
---|
349 | switch (field_size) { |
---|
350 | case 1: |
---|
351 | buffer1 = *(buf+(*offV9)); (*offV9)++; |
---|
352 | |
---|
353 | if ((pftmp->fieldType==9)||(pftmp->fieldType==29)){ |
---|
354 | agCache.maskS = *((unsigned char*)&buffer1); |
---|
355 | } |
---|
356 | if ((pftmp->fieldType==13)||(pftmp->fieldType==30)){ |
---|
357 | agCache.maskD = *((unsigned char*)&buffer1); |
---|
358 | } |
---|
359 | if (pftmp->fieldType==60){ |
---|
360 | agCache.ipProt = *((unsigned char*)&buffer1); |
---|
361 | } |
---|
362 | if (pftmp->fieldType==4){ |
---|
363 | agCache.tProt = *((unsigned char*)&buffer1); |
---|
364 | } |
---|
365 | if (pftmp->fieldType==61){ |
---|
366 | agCache.sens = *((unsigned char*)&buffer1); |
---|
367 | } |
---|
368 | if (pftmp->fieldType==5){ |
---|
369 | agCache.dscp = *((unsigned char*)&buffer1); |
---|
370 | } |
---|
371 | |
---|
372 | break; |
---|
373 | case 2: |
---|
374 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; |
---|
375 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; |
---|
376 | |
---|
377 | if (pftmp->fieldType==10){ |
---|
378 | agCache.idSnmp = *((unsigned short*)&buffer2); |
---|
379 | } |
---|
380 | |
---|
381 | break; |
---|
382 | case 3: |
---|
383 | buffer4[3]= 0; |
---|
384 | buffer4[2]= *(buf+(*offV9)); (*offV9)++; |
---|
385 | buffer4[1]= *(buf+(*offV9)); (*offV9)++; |
---|
386 | buffer4[0]= *(buf+(*offV9)); (*offV9)++; |
---|
387 | |
---|
388 | |
---|
389 | |
---|
390 | |
---|
391 | |
---|
392 | |
---|
393 | break; |
---|
394 | case 4: |
---|
395 | buffer4[3]= *(buf+(*offV9)); (*offV9)++; |
---|
396 | buffer4[2]= *(buf+(*offV9)); (*offV9)++; |
---|
397 | buffer4[1]= *(buf+(*offV9)); (*offV9)++; |
---|
398 | buffer4[0]= *(buf+(*offV9)); (*offV9)++; |
---|
399 | |
---|
400 | if ((pftmp->fieldType==8)){ |
---|
401 | bool = 1; |
---|
402 | agCache.v4AdS = *((unsigned long*)&buffer4); |
---|
403 | } else if ((pftmp->fieldType==12)){ |
---|
404 | agCache.v4AdD = *((unsigned long*)&buffer4); |
---|
405 | } else if (pftmp->fieldType==1){ |
---|
406 | agCache.bytes = *((unsigned long*)&buffer4); |
---|
407 | } else if (pftmp->fieldType==2){ |
---|
408 | agCache.pkts = *((unsigned long*)&buffer4); |
---|
409 | } |
---|
410 | |
---|
411 | break; |
---|
412 | case 16: |
---|
413 | for (i=0; i<4; i++) { |
---|
414 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; |
---|
415 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; |
---|
416 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; |
---|
417 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; |
---|
418 | } |
---|
419 | |
---|
420 | |
---|
421 | |
---|
422 | break; |
---|
423 | default: |
---|
424 | syslog(LOG_INFO,"UNKNOWN FIELDS LENGTH: %d ", field_size); |
---|
425 | for (i=0; i<field_size; i++){ |
---|
426 | (*offV9)++; |
---|
427 | } |
---|
428 | } |
---|
429 | } |
---|
430 | if (cpt==tmp->fieldCount) { |
---|
431 | |
---|
432 | |
---|
433 | |
---|
434 | |
---|
435 | if (bool == 1){ |
---|
436 | prefixKey.beginning = agCache.v4AdS>>(32-agCache.maskS)<<(32-agCache.maskS); |
---|
437 | res = bsearch(&prefixKey, V4PTab, nbPV4, |
---|
438 | sizeof(struct PrefixV4), prefCmp); |
---|
439 | } |
---|
440 | bool = 0; |
---|
441 | |
---|
442 | |
---|
443 | |
---|
444 | |
---|
445 | |
---|
446 | |
---|
447 | tmpRuleList = rlPtr; |
---|
448 | while (tmpRuleList){ |
---|
449 | unsigned short check = 1; |
---|
450 | RuleDefPtr tmpRuleDefList = tmpRuleList->def; |
---|
451 | secondOffset = secondOldOffset; |
---|
452 | while (tmpRuleDefList){ |
---|
453 | check = check && tmpRuleDefList->check; |
---|
454 | tmpRuleDefList->check = 0; |
---|
455 | tmpRuleDefList = tmpRuleDefList->next; |
---|
456 | } |
---|
457 | if ( (tmpRuleList->def != NULL) && (check == 1)) { |
---|
458 | |
---|
459 | secondPftmp = tmp->lastField; |
---|
460 | |
---|
461 | msgTextIndex = mempcpy(mempcpy(mempcpy(myMsg.text, |
---|
462 | &tplMsgType, |
---|
463 | sizeof(unsigned short) |
---|
464 | ), |
---|
465 | &tmpRuleList->id, |
---|
466 | sizeof(tmpRuleList->id) |
---|
467 | ), |
---|
468 | &cr->IpAddress, |
---|
469 | sizeof(unsigned long) |
---|
470 | ); |
---|
471 | msgTextIndex = mempcpy(mempcpy(mempcpy(msgTextIndex, |
---|
472 | &tmp->sourceId, |
---|
473 | sizeof(unsigned long) |
---|
474 | ), |
---|
475 | &tmp->templateFlowSetId, |
---|
476 | sizeof(tmp->templateFlowSetId) |
---|
477 | ), |
---|
478 | buf+secondOffset, |
---|
479 | flow_size |
---|
480 | ); |
---|
481 | myMsg.type = 1; |
---|
482 | msgSend( myQueue, myMsg); |
---|
483 | noEnd = 1; |
---|
484 | secondCpt=0; |
---|
485 | } |
---|
486 | tmpRuleList = tmpRuleList->next; |
---|
487 | secondPftmp = tmp->lastField; |
---|
488 | } |
---|
489 | |
---|
490 | |
---|
491 | |
---|
492 | secondOffset = *offV9; |
---|
493 | secondOldOffset = secondOffset; |
---|
494 | pftmp = tmp->lastField; |
---|
495 | cpt=0; |
---|
496 | (*cFNPtr)++; |
---|
497 | if (((*offV9)-48-shift+flow_size) > data_length){ |
---|
498 | overflow = 1; |
---|
499 | } |
---|
500 | } else { |
---|
501 | |
---|
502 | pftmp = pftmp->prev; |
---|
503 | } |
---|
504 | } |
---|
505 | }else{ |
---|
506 | |
---|
507 | |
---|
508 | |
---|
509 | (*offV9)+=(data_length-4); |
---|
510 | (*cFNPtr) = v9Ptr->count; |
---|
511 | } |
---|
512 | while ( ((*offV9)-48-shift) < data_length ) { |
---|
513 | (*offV9)++; |
---|
514 | } |
---|
515 | while ( (*offV9)-48-shift > data_length ) { |
---|
516 | (*offV9)--; |
---|
517 | } |
---|
518 | return (data_length+shift); |
---|
519 | } |
---|