file_systems/iso9660/iso9660.cpp

145 init_volume_date(ISOVolDate *date, char *buffer)
147 	memcpy(date, buffer, ISO_VOL_DATE_SIZE);
153 init_node_date(ISORecDate *date, char *buffer)
155 	memcpy(date, buffer, sizeof(struct ISORecDate));
161 InitVolDesc(iso9660_volume *volume, char *buffer)
165 	volume->volDescType = *(uint8 *)buffer;
166 	buffer += sizeof(volume->volDescType);
170 	strncpy(volume->stdIDString, buffer, kStdIDStringLen);
171 	buffer += kStdIDStringLen;
173 	volume->volDescVersion = *(uint8 *)buffer;
174 	buffer += sizeof(volume->volDescVersion);
176 	buffer += sizeof(volume->unused1); // skip unused 8th byte
180 	strncpy(volume->systemIDString, buffer, kSystemIDStringLen);
181 	buffer += kSystemIDStringLen;
186 	strncpy(volume->volIDString, buffer, kVolIDStringLen);
187 	buffer += kVolIDStringLen;
190 	buffer += sizeof(volume->unused2) - 1; // skip unused 73-80 bytes
192 	volume->volSpaceSize[LSB_DATA] = *(uint32 *)buffer;
193 	buffer += sizeof(volume->volSpaceSize[LSB_DATA]);
194 	volume->volSpaceSize[MSB_DATA] = *(uint32 *)buffer;
195 	buffer += sizeof(volume->volSpaceSize[MSB_DATA]);
197 	buffer += sizeof(volume->unused3) - 1; // skip unused 89-120 bytes
199 	volume->volSetSize[LSB_DATA] = *(uint16*)buffer;
200 	buffer += sizeof(volume->volSetSize[LSB_DATA]);
201 	volume->volSetSize[MSB_DATA] = *(uint16*)buffer;
202 	buffer += sizeof(volume->volSetSize[MSB_DATA]);
204 	volume->volSeqNum[LSB_DATA] = *(uint16*)buffer;
205 	buffer += sizeof(volume->volSeqNum[LSB_DATA]);
206 	volume->volSeqNum[MSB_DATA] = *(uint16*)buffer;
207 	buffer += sizeof(volume->volSeqNum[MSB_DATA]);
209 	volume->logicalBlkSize[LSB_DATA] = *(uint16*)buffer;
210 	buffer += sizeof(volume->logicalBlkSize[LSB_DATA]);
211 	volume->logicalBlkSize[MSB_DATA] = *(uint16*)buffer;
212 	buffer += sizeof(volume->logicalBlkSize[MSB_DATA]);
214 	volume->pathTblSize[LSB_DATA] = *(uint32*)buffer;
215 	buffer += sizeof(volume->pathTblSize[LSB_DATA]);
216 	volume->pathTblSize[MSB_DATA] = *(uint32*)buffer;
217 	buffer += sizeof(volume->pathTblSize[MSB_DATA]);
219 	volume->lPathTblLoc[LSB_DATA] = *(uint16*)buffer;
220 	buffer += sizeof(volume->lPathTblLoc[LSB_DATA]);
221 	volume->lPathTblLoc[MSB_DATA] = *(uint16*)buffer;
222 	buffer += sizeof(volume->lPathTblLoc[MSB_DATA]);
224 	volume->optLPathTblLoc[LSB_DATA] = *(uint16*)buffer;
225 	buffer += sizeof(volume->optLPathTblLoc[LSB_DATA]);
226 	volume->optLPathTblLoc[MSB_DATA] = *(uint16*)buffer;
227 	buffer += sizeof(volume->optLPathTblLoc[MSB_DATA]);
229 	volume->mPathTblLoc[LSB_DATA] = *(uint16*)buffer;
230 	buffer += sizeof(volume->mPathTblLoc[LSB_DATA]);
231 	volume->mPathTblLoc[MSB_DATA] = *(uint16*)buffer;
232 	buffer += sizeof(volume->mPathTblLoc[MSB_DATA]);
234 	volume->optMPathTblLoc[LSB_DATA] = *(uint16*)buffer;
235 	buffer += sizeof(volume->optMPathTblLoc[LSB_DATA]);
236 	volume->optMPathTblLoc[MSB_DATA] = *(uint16*)buffer;
237 	buffer += sizeof(volume->optMPathTblLoc[MSB_DATA]);
241 	InitNode(volume, &volume->rootDirRec, buffer, NULL);
244 	buffer += ISO_ROOT_DIR_REC_SIZE;
248 	strncpy(volume->volSetIDString, buffer, kVolSetIDStringLen);
249 	buffer += kVolSetIDStringLen;
254 	strncpy(volume->pubIDString, buffer, kPubIDStringLen);
255 	buffer += kPubIDStringLen;
260 	strncpy(volume->dataPreparer, buffer, kDataPreparerLen);
261 	buffer += kDataPreparerLen;
266 	strncpy(volume->appIDString, buffer, kAppIDStringLen);
267 	buffer += kAppIDStringLen;
272 	strncpy(volume->copyright, buffer, kCopyrightLen);
273 	buffer += kCopyrightLen;
278 	strncpy(volume->abstractFName, buffer, kAbstractFNameLen);
279 	buffer += kAbstractFNameLen;
283 	strncpy(volume->biblioFName, buffer, kBiblioFNameLen);
284 	buffer += kBiblioFNameLen;
286 	init_volume_date(&volume->createDate, buffer);
287 	buffer += ISO_VOL_DATE_SIZE;
289 	init_volume_date(&volume->modDate, buffer);
290 	buffer += ISO_VOL_DATE_SIZE;
292 	init_volume_date(&volume->expireDate, buffer);
293 	buffer += ISO_VOL_DATE_SIZE;
295 	init_volume_date(&volume->effectiveDate, buffer);
296 	buffer += ISO_VOL_DATE_SIZE;
298 	volume->fileStructVers = *(uint8*)buffer;
304 parse_rock_ridge(iso9660_volume* volume, iso9660_inode* node, char* buffer,
316 	TRACE(("RR: Start of extensions at %p\n", buffer));
319 		buffer += length;
320 		if (buffer + 2 >= end)
322 		length = *(uint8*)(buffer + 2);
323 		if (buffer + length > end)
328 		switch (((int)buffer[0] << 8) + buffer[1]) {
334 				node->attr.pxVer = *(uint8*)(buffer + bytePos++);
338 					= *(mode_t*)(buffer + bytePos);
341 					= *(mode_t*)(buffer + bytePos);
346 					= *(nlink_t*)(buffer+bytePos);
349 					= *(nlink_t*)(buffer + bytePos);
354 					= *(uid_t*)(buffer + bytePos);
357 					= *(uid_t*)(buffer + bytePos);
362 					= *(gid_t*)(buffer + bytePos);
365 					= *(gid_t*)(buffer + bytePos);
383 				TRACE(("Buffer is at %p\n", buffer));
386 				node->attr.slVer = *(uint8*)(buffer + bytePos++);
388 				uint8 slFlags = *(uint8*)(buffer + bytePos++);
395 					uint8 compFlag = *(uint8*)(buffer + bytePos++);
396 					uint8 compLen = *(uint8*)(buffer + bytePos++);
428 							memcpy(slName + addPos, buffer + bytePos,
513 				node->attr.nmVer = *(uint8 *)(buffer + bytePos++);
514 				flags = *(uint8 *)(buffer + bytePos++);
516 				TRACE(("RR: nm buffer is %s, start at %p\n", (buffer + bytePos),
517 					buffer + bytePos));
520 				memcpy(altName + oldEnd, buffer + bytePos, length - 5);
542 				node->startLBN[LSB_DATA] = *(uint32*)(buffer+4);
543 				node->startLBN[MSB_DATA] = *(uint32*)(buffer+8);
545 				char* buffer = (char*)block_cache_get(volume->fBlockCache,
547 				if (buffer == NULL)
550 				InitNode(volume, node, buffer, NULL, true);
581 				if (buffer[0] == '\0') {
585 					TRACE(("RR: Unknown tag %c%c\n", buffer[0], buffer[1]));
605 	char buffer[ISO_PVD_SIZE];
662 		retval = read_pos(volume->fdOfSession, offset, (void*)buffer,
669 		if (strncmp(buffer + 1, kISO9660IDString, 5) == 0) {
670 			if (*buffer == 0x01 && !isISO) {
676 				InitVolDesc(volume, buffer);
698 			} else if (*buffer == 0x02 && isISO && allowJoliet) {
703 			    if (buffer[88] == 0x25 && buffer[89] == 0x2f) {
704 					switch (buffer[90]) {
715 						InitNode(volume, &volume->rootDirRec, &buffer[156],
719 			} else if (*(unsigned char *)buffer == 0xff) {
723 				TRACE(("found header %d\n",*buffer));
812 						"buffer of size %d\n", node.name, (int)nameBufferSize));
845 InitNode(iso9660_volume* volume, iso9660_inode* node, char* buffer,
848 	uint8 recordLength = *(uint8*)buffer++;
852 		buffer, recordLength));
859 	char* end = buffer + recordLength;
869 	node->extAttrRecLen = *(uint8*)buffer++;
872 	node->startLBN[LSB_DATA] = *(uint32*)buffer;
873 	buffer += 4;
874 	node->startLBN[MSB_DATA] = *(uint32*)buffer;
875 	buffer += 4;
879 	node->dataLen[LSB_DATA] = *(uint32*)buffer;
880 	buffer += 4;
881 	node->dataLen[MSB_DATA] = *(uint32*)buffer;
882 	buffer += 4;
886 	init_node_date(&node->recordDate, buffer);
887 	buffer += 7;
889 	node->flags = *(uint8*)buffer;
890 	buffer++;
893 	node->fileUnitSize = *(uint8*)buffer;
894 	buffer++;
897 	node->interleaveGapSize = *(uint8*)buffer;
898 	buffer++;
901 	node->volSeqNum = *(uint32*)buffer;
902 	buffer += 4;
905 	nameLength = *(uint8*)buffer;
906 	buffer++;
927 		// on joliet discs, buffer[0] can be 0 for Unicoded filenames,
932 		if (node->name_length == 1 && buffer[0] == 0) {
935 		} else if (node->name_length == 1 && buffer[0] == 1) {
949 			status_t status = unicode_to_utf8(buffer, &sourceLength,
967 				node->name[i] = tolower(buffer[i]);
980 	buffer += nameLength;
982 		buffer++;
986 	return parse_rock_ridge(volume, node, buffer, end, relocated);