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1.1 misho 1: /*-
2: * Copyright (c) 2008 Christos Zoulas
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: *
14: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
15: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
18: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26: /*
27: * Parse composite document files, the format used in Microsoft Office
28: * document files before they switched to zipped xml.
29: * Info from: http://sc.openoffice.org/compdocfileformat.pdf
30: */
31:
32: #include "file.h"
33:
34: #ifndef lint
35: FILE_RCSID("@(#)$File: cdf.c,v 1.30 2009/05/06 14:29:47 christos Exp $")
36: #endif
37:
38: #include <assert.h>
39: #ifdef CDF_DEBUG
40: #include <err.h>
41: #endif
42: #include <stdlib.h>
43:
44: #ifdef PHP_WIN32
45: #include "win32/unistd.h"
46: #else
47: #include <unistd.h>
48: #endif
49:
50: #ifndef UINT32_MAX
51: # define UINT32_MAX (0xffffffff)
52: #endif
53:
54: #include <string.h>
55: #include <time.h>
56: #include <ctype.h>
57:
58: #ifndef EFTYPE
59: #define EFTYPE EINVAL
60: #endif
61:
62: #include "cdf.h"
63:
64: #ifndef __arraycount
65: #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
66: #endif
67:
68: #ifdef CDF_DEBUG
69: #define DPRINTF(a) printf a, fflush(stdout)
70: #else
71: #define DPRINTF(a)
72: #endif
73:
74: static union {
75: char s[4];
76: uint32_t u;
77: } cdf_bo;
78:
79: #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304)
80:
81: #define CDF_TOLE8(x) (NEED_SWAP ? cdf_tole8(x) : (uint64_t)(x))
82: #define CDF_TOLE4(x) (NEED_SWAP ? cdf_tole4(x) : (uint32_t)(x))
83: #define CDF_TOLE2(x) (NEED_SWAP ? cdf_tole2(x) : (uint16_t)(x))
84:
85: /*
86: * swap a short
87: */
88: uint16_t
89: cdf_tole2(uint16_t sv)
90: {
91: uint16_t rv;
92: uint8_t *s = (uint8_t *)(void *)&sv;
93: uint8_t *d = (uint8_t *)(void *)&rv;
94: d[0] = s[1];
95: d[1] = s[0];
96: return rv;
97: }
98:
99: /*
100: * swap an int
101: */
102: uint32_t
103: cdf_tole4(uint32_t sv)
104: {
105: uint32_t rv;
106: uint8_t *s = (uint8_t *)(void *)&sv;
107: uint8_t *d = (uint8_t *)(void *)&rv;
108: d[0] = s[3];
109: d[1] = s[2];
110: d[2] = s[1];
111: d[3] = s[0];
112: return rv;
113: }
114:
115: /*
116: * swap a quad
117: */
118: uint64_t
119: cdf_tole8(uint64_t sv)
120: {
121: uint64_t rv;
122: uint8_t *s = (uint8_t *)(void *)&sv;
123: uint8_t *d = (uint8_t *)(void *)&rv;
124: d[0] = s[7];
125: d[1] = s[6];
126: d[2] = s[5];
127: d[3] = s[4];
128: d[4] = s[3];
129: d[5] = s[2];
130: d[6] = s[1];
131: d[7] = s[0];
132: return rv;
133: }
134:
135: #define CDF_UNPACK(a) \
136: (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
137: #define CDF_UNPACKA(a) \
138: (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
139:
140: void
141: cdf_swap_header(cdf_header_t *h)
142: {
143: size_t i;
144:
145: h->h_magic = CDF_TOLE8(h->h_magic);
146: h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
147: h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
148: h->h_revision = CDF_TOLE2(h->h_revision);
149: h->h_version = CDF_TOLE2(h->h_version);
150: h->h_byte_order = CDF_TOLE2(h->h_byte_order);
151: h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
152: h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
153: h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
154: h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
155: h->h_min_size_standard_stream =
156: CDF_TOLE4(h->h_min_size_standard_stream);
157: h->h_secid_first_sector_in_short_sat =
158: CDF_TOLE4(h->h_secid_first_sector_in_short_sat);
159: h->h_num_sectors_in_short_sat =
160: CDF_TOLE4(h->h_num_sectors_in_short_sat);
161: h->h_secid_first_sector_in_master_sat =
162: CDF_TOLE4(h->h_secid_first_sector_in_master_sat);
163: h->h_num_sectors_in_master_sat =
164: CDF_TOLE4(h->h_num_sectors_in_master_sat);
165: for (i = 0; i < __arraycount(h->h_master_sat); i++)
166: h->h_master_sat[i] = CDF_TOLE4(h->h_master_sat[i]);
167: }
168:
169: void
170: cdf_unpack_header(cdf_header_t *h, char *buf)
171: {
172: size_t i;
173: size_t len = 0;
174:
175: CDF_UNPACK(h->h_magic);
176: CDF_UNPACKA(h->h_uuid);
177: CDF_UNPACK(h->h_revision);
178: CDF_UNPACK(h->h_version);
179: CDF_UNPACK(h->h_byte_order);
180: CDF_UNPACK(h->h_sec_size_p2);
181: CDF_UNPACK(h->h_short_sec_size_p2);
182: CDF_UNPACKA(h->h_unused0);
183: CDF_UNPACK(h->h_num_sectors_in_sat);
184: CDF_UNPACK(h->h_secid_first_directory);
185: CDF_UNPACKA(h->h_unused1);
186: CDF_UNPACK(h->h_min_size_standard_stream);
187: CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
188: CDF_UNPACK(h->h_num_sectors_in_short_sat);
189: CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
190: CDF_UNPACK(h->h_num_sectors_in_master_sat);
191: for (i = 0; i < __arraycount(h->h_master_sat); i++)
192: CDF_UNPACK(h->h_master_sat[i]);
193: }
194:
195: void
196: cdf_swap_dir(cdf_directory_t *d)
197: {
198: d->d_namelen = CDF_TOLE2(d->d_namelen);
199: d->d_left_child = CDF_TOLE4(d->d_left_child);
200: d->d_right_child = CDF_TOLE4(d->d_right_child);
201: d->d_storage = CDF_TOLE4(d->d_storage);
202: d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
203: d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
204: d->d_flags = CDF_TOLE4(d->d_flags);
205: d->d_created = CDF_TOLE8(d->d_created);
206: d->d_modified = CDF_TOLE8(d->d_modified);
207: d->d_stream_first_sector = CDF_TOLE4(d->d_stream_first_sector);
208: d->d_size = CDF_TOLE4(d->d_size);
209: }
210:
211: void
212: cdf_swap_class(cdf_classid_t *d)
213: {
214: d->cl_dword = CDF_TOLE4(d->cl_dword);
215: d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
216: d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
217: }
218:
219: void
220: cdf_unpack_dir(cdf_directory_t *d, char *buf)
221: {
222: size_t len = 0;
223:
224: CDF_UNPACKA(d->d_name);
225: CDF_UNPACK(d->d_namelen);
226: CDF_UNPACK(d->d_type);
227: CDF_UNPACK(d->d_color);
228: CDF_UNPACK(d->d_left_child);
229: CDF_UNPACK(d->d_right_child);
230: CDF_UNPACK(d->d_storage);
231: CDF_UNPACKA(d->d_storage_uuid);
232: CDF_UNPACK(d->d_flags);
233: CDF_UNPACK(d->d_created);
234: CDF_UNPACK(d->d_modified);
235: CDF_UNPACK(d->d_stream_first_sector);
236: CDF_UNPACK(d->d_size);
237: CDF_UNPACK(d->d_unused0);
238: }
239:
240: static int
241: cdf_check_stream_offset(const cdf_stream_t *sst, const void *p, size_t tail)
242: {
243: const char *b = (const char *)sst->sst_tab;
244: const char *e = ((const char *)p) + tail;
245: if (e >= b && (size_t)(e - b) < sst->sst_dirlen * sst->sst_len)
246: return 0;
247: DPRINTF((stderr, "offset begin %p end %p %zu >= %zu\n", b, e,
248: (size_t)(e - b), sst->sst_dirlen * sst->sst_len));
249: errno = EFTYPE;
250: return -1;
251: }
252:
253: static ssize_t
254: cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
255: {
256: size_t siz = (size_t)off + len;
257:
258: if ((off_t)(off + len) != (off_t)siz) {
259: errno = EINVAL;
260: return -1;
261: }
262:
263: if (info->i_buf != NULL && info->i_len >= siz) {
264: (void)memcpy(buf, &info->i_buf[off], len);
265: return (ssize_t)len;
266: }
267:
268: if (info->i_fd == -1)
269: return -1;
270:
271: if (lseek(info->i_fd, off, SEEK_SET) == (off_t)-1)
272: return -1;
273:
274: if (read(info->i_fd, buf, len) != (ssize_t)len)
275: return -1;
276:
277: return (ssize_t)len;
278: }
279:
280: int
281: cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
282: {
283: char buf[512];
284:
285: (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
286: if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
287: return -1;
288: cdf_unpack_header(h, buf);
289: cdf_swap_header(h);
290: if (h->h_magic != CDF_MAGIC) {
291: DPRINTF(("Bad magic 0x%llx != 0x%llx\n",
292: (unsigned long long)h->h_magic,
293: (unsigned long long)CDF_MAGIC));
294: goto out;
295: }
296: if (h->h_sec_size_p2 > 20) {
297: DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
298: goto out;
299: }
300: if (h->h_short_sec_size_p2 > 20) {
301: DPRINTF(("Bad short sector size 0x%u\n",
302: h->h_short_sec_size_p2));
303: goto out;
304: }
305: return 0;
306: out:
307: errno = EFTYPE;
308: return -1;
309: }
310:
311:
312: ssize_t
313: cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
314: const cdf_header_t *h, cdf_secid_t id)
315: {
316: assert((size_t)CDF_SEC_SIZE(h) == len);
317: return cdf_read(info, (off_t)CDF_SEC_POS(h, id),
318: ((char *)buf) + offs, len);
319: }
320:
321: ssize_t
322: cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
323: size_t len, const cdf_header_t *h, cdf_secid_t id)
324: {
325: assert((size_t)CDF_SHORT_SEC_SIZE(h) == len);
326: (void)memcpy(((char *)buf) + offs,
327: ((const char *)sst->sst_tab) + CDF_SHORT_SEC_POS(h, id), len);
328: return len;
329: }
330:
331: /*
332: * Read the sector allocation table.
333: */
334: int
335: cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
336: {
337: size_t i, j, k;
338: size_t ss = CDF_SEC_SIZE(h);
339: cdf_secid_t *msa, mid, sec;
340: size_t nsatpersec = (ss / sizeof(mid)) - 1;
341:
342: for (i = 0; i < __arraycount(h->h_master_sat); i++)
343: if (h->h_master_sat[i] == CDF_SECID_FREE)
344: break;
345:
346: #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
347: if (h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec ||
348: i > CDF_SEC_LIMIT) {
349: DPRINTF(("Number of sectors in master SAT too big %u %zu\n",
350: h->h_num_sectors_in_master_sat, i));
351: errno = EFTYPE;
352: return -1;
353: }
354:
355: sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
356: DPRINTF(("sat_len = %zu ss = %zu\n", sat->sat_len, ss));
357: if ((sat->sat_tab = calloc(sat->sat_len, ss)) == NULL)
358: return -1;
359:
360: for (i = 0; i < __arraycount(h->h_master_sat); i++) {
361: if (h->h_master_sat[i] < 0)
362: break;
363: if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
364: h->h_master_sat[i]) != (ssize_t)ss) {
365: DPRINTF(("Reading sector %d", h->h_master_sat[i]));
366: goto out1;
367: }
368: }
369:
370: if ((msa = calloc(1, ss)) == NULL)
371: goto out1;
372:
373: mid = h->h_secid_first_sector_in_master_sat;
374: for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
375: if (mid < 0)
376: goto out;
377: if (j >= CDF_LOOP_LIMIT) {
378: DPRINTF(("Reading master sector loop limit"));
379: errno = EFTYPE;
380: goto out2;
381: }
382: if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
383: DPRINTF(("Reading master sector %d", mid));
384: goto out2;
385: }
386: for (k = 0; k < nsatpersec; k++, i++) {
387: sec = CDF_TOLE4(msa[k]);
388: if (sec < 0)
389: goto out;
390: if (i >= sat->sat_len) {
391: DPRINTF(("Out of bounds reading MSA %u >= %u",
392: i, sat->sat_len));
393: errno = EFTYPE;
394: goto out2;
395: }
396: if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
397: sec) != (ssize_t)ss) {
398: DPRINTF(("Reading sector %d",
399: CDF_TOLE4(msa[k])));
400: goto out2;
401: }
402: }
403: mid = CDF_TOLE4(msa[nsatpersec]);
404: }
405: out:
406: sat->sat_len = i;
407: free(msa);
408: return 0;
409: out2:
410: free(msa);
411: out1:
412: free(sat->sat_tab);
413: return -1;
414: }
415:
416: size_t
417: cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
418: {
419: size_t i, j;
420: cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size);
421:
422: DPRINTF(("Chain:"));
423: for (j = i = 0; sid >= 0; i++, j++) {
424: DPRINTF((" %d", sid));
425: if (j >= CDF_LOOP_LIMIT) {
426: DPRINTF(("Counting chain loop limit"));
427: errno = EFTYPE;
428: return (size_t)-1;
429: }
430: if (sid > maxsector) {
431: DPRINTF(("Sector %d > %d\n", sid, maxsector));
432: errno = EFTYPE;
433: return (size_t)-1;
434: }
435: sid = CDF_TOLE4(sat->sat_tab[sid]);
436: }
437: DPRINTF(("\n"));
438: return i;
439: }
440:
441: int
442: cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
443: const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
444: {
445: size_t ss = CDF_SEC_SIZE(h), i, j;
446: ssize_t nr;
447: scn->sst_len = cdf_count_chain(sat, sid, ss);
448: scn->sst_dirlen = len;
449:
450: if (scn->sst_len == (size_t)-1)
451: return -1;
452:
453: scn->sst_tab = calloc(scn->sst_len, ss);
454: if (scn->sst_tab == NULL)
455: return -1;
456:
457: for (j = i = 0; sid >= 0; i++, j++) {
458: if (j >= CDF_LOOP_LIMIT) {
459: DPRINTF(("Read long sector chain loop limit"));
460: errno = EFTYPE;
461: goto out;
462: }
463: if (i >= scn->sst_len) {
464: DPRINTF(("Out of bounds reading long sector chain "
465: "%u > %u\n", i, scn->sst_len));
466: errno = EFTYPE;
467: goto out;
468: }
469: if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
470: sid)) != (ssize_t)ss) {
471: if (i == scn->sst_len - 1 && nr > 0) {
472: /* Last sector might be truncated */
473: return 0;
474: }
475: DPRINTF(("Reading long sector chain %d", sid));
476: goto out;
477: }
478: sid = CDF_TOLE4(sat->sat_tab[sid]);
479: }
480: return 0;
481: out:
482: free(scn->sst_tab);
483: return -1;
484: }
485:
486: int
487: cdf_read_short_sector_chain(const cdf_header_t *h,
488: const cdf_sat_t *ssat, const cdf_stream_t *sst,
489: cdf_secid_t sid, size_t len, cdf_stream_t *scn)
490: {
491: size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
492: scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
493: scn->sst_dirlen = len;
494:
495: if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
496: return -1;
497:
498: scn->sst_tab = calloc(scn->sst_len, ss);
499: if (scn->sst_tab == NULL)
500: return -1;
501:
502: for (j = i = 0; sid >= 0; i++, j++) {
503: if (j >= CDF_LOOP_LIMIT) {
504: DPRINTF(("Read short sector chain loop limit"));
505: errno = EFTYPE;
506: goto out;
507: }
508: if (i >= scn->sst_len) {
509: DPRINTF(("Out of bounds reading short sector chain "
510: "%u > %u\n", i, scn->sst_len));
511: errno = EFTYPE;
512: goto out;
513: }
514: if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
515: sid) != (ssize_t)ss) {
516: DPRINTF(("Reading short sector chain %d", sid));
517: goto out;
518: }
519: sid = CDF_TOLE4(ssat->sat_tab[sid]);
520: }
521: return 0;
522: out:
523: free(scn->sst_tab);
524: return -1;
525: }
526:
527: int
528: cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
529: const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
530: cdf_secid_t sid, size_t len, cdf_stream_t *scn)
531: {
532:
533: if (len < h->h_min_size_standard_stream)
534: return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
535: scn);
536: else
537: return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
538: }
539:
540: int
541: cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
542: const cdf_sat_t *sat, cdf_dir_t *dir)
543: {
544: size_t i, j;
545: size_t ss = CDF_SEC_SIZE(h), ns, nd;
546: char *buf;
547: cdf_secid_t sid = h->h_secid_first_directory;
548:
549: ns = cdf_count_chain(sat, sid, ss);
550: if (ns == (size_t)-1)
551: return -1;
552:
553: nd = ss / CDF_DIRECTORY_SIZE;
554:
555: dir->dir_len = ns * nd;
556: dir->dir_tab = calloc(dir->dir_len, sizeof(dir->dir_tab[0]));
557: if (dir->dir_tab == NULL)
558: return -1;
559:
560: if ((buf = malloc(ss)) == NULL) {
561: free(dir->dir_tab);
562: return -1;
563: }
564:
565: for (j = i = 0; i < ns; i++, j++) {
566: if (j >= CDF_LOOP_LIMIT) {
567: DPRINTF(("Read dir loop limit"));
568: errno = EFTYPE;
569: goto out;
570: }
571: if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
572: DPRINTF(("Reading directory sector %d", sid));
573: goto out;
574: }
575: for (j = 0; j < nd; j++) {
576: cdf_unpack_dir(&dir->dir_tab[i * nd + j],
577: &buf[j * CDF_DIRECTORY_SIZE]);
578: }
579: sid = CDF_TOLE4(sat->sat_tab[sid]);
580: }
581: if (NEED_SWAP)
582: for (i = 0; i < dir->dir_len; i++)
583: cdf_swap_dir(&dir->dir_tab[i]);
584: free(buf);
585: return 0;
586: out:
587: free(dir->dir_tab);
588: free(buf);
589: return -1;
590: }
591:
592:
593: int
594: cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
595: const cdf_sat_t *sat, cdf_sat_t *ssat)
596: {
597: size_t i, j;
598: size_t ss = CDF_SEC_SIZE(h);
599: cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
600:
601: ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
602: if (ssat->sat_len == (size_t)-1)
603: return -1;
604:
605: ssat->sat_tab = calloc(ssat->sat_len, ss);
606: if (ssat->sat_tab == NULL)
607: return -1;
608:
609: for (j = i = 0; sid >= 0; i++, j++) {
610: if (j >= CDF_LOOP_LIMIT) {
611: DPRINTF(("Read short sat sector loop limit"));
612: errno = EFTYPE;
613: goto out;
614: }
615: if (i >= ssat->sat_len) {
616: DPRINTF(("Out of bounds reading short sector chain "
617: "%u > %u\n", i, ssat->sat_len));
618: errno = EFTYPE;
619: goto out;
620: }
621: if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
622: (ssize_t)ss) {
623: DPRINTF(("Reading short sat sector %d", sid));
624: goto out;
625: }
626: sid = CDF_TOLE4(sat->sat_tab[sid]);
627: }
628: return 0;
629: out:
630: free(ssat->sat_tab);
631: return -1;
632: }
633:
634: int
635: cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
636: const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
637: {
638: size_t i;
639: const cdf_directory_t *d;
640:
641: for (i = 0; i < dir->dir_len; i++)
642: if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
643: break;
644:
645: /* If the it is not there, just fake it; some docs don't have it */
646: if (i == dir->dir_len)
647: goto out;
648: d = &dir->dir_tab[i];
649:
650: /* If the it is not there, just fake it; some docs don't have it */
651: if (d->d_stream_first_sector < 0)
652: goto out;
653:
654: return cdf_read_long_sector_chain(info, h, sat,
655: d->d_stream_first_sector, d->d_size, scn);
656: out:
657: scn->sst_tab = NULL;
658: scn->sst_len = 0;
659: scn->sst_dirlen = 0;
660: return 0;
661: }
662:
663: static int
664: cdf_namecmp(const char *d, const uint16_t *s, size_t l)
665: {
666: for (; l--; d++, s++)
667: if (*d != CDF_TOLE2(*s))
668: return (unsigned char)*d - CDF_TOLE2(*s);
669: return 0;
670: }
671:
672: int
673: cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
674: const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
675: const cdf_dir_t *dir, cdf_stream_t *scn)
676: {
677: size_t i;
678: const cdf_directory_t *d;
679: static const char name[] = "\05SummaryInformation";
680:
681: for (i = 0; i < dir->dir_len; i++)
682: if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_USER_STREAM &&
683: cdf_namecmp(name, dir->dir_tab[i].d_name, sizeof(name))
684: == 0)
685: break;
686:
687: if (i == dir->dir_len) {
688: DPRINTF(("Cannot find summary information section\n"));
689: errno = EFTYPE;
690: return -1;
691: }
692: d = &dir->dir_tab[i];
693: return cdf_read_sector_chain(info, h, sat, ssat, sst,
694: d->d_stream_first_sector, d->d_size, scn);
695: }
696:
697: int
698: cdf_read_property_info(const cdf_stream_t *sst, uint32_t offs,
699: cdf_property_info_t **info, size_t *count, size_t *maxcount)
700: {
701: const cdf_section_header_t *shp;
702: cdf_section_header_t sh;
703: const uint32_t *p, *q, *e;
704: int16_t s16;
705: int32_t s32;
706: uint32_t u32;
707: int64_t s64;
708: uint64_t u64;
709: cdf_timestamp_t tp;
710: size_t i, o, nelements, j;
711: cdf_property_info_t *inp;
712:
713: if (offs > UINT32_MAX / 4) {
714: errno = EFTYPE;
715: goto out;
716: }
717: shp = (const void *)((const char *)sst->sst_tab + offs);
718: if (cdf_check_stream_offset(sst, shp, sizeof(*shp)) == -1)
719: goto out;
720: sh.sh_len = CDF_TOLE4(shp->sh_len);
721: #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
722: if (sh.sh_len > CDF_SHLEN_LIMIT) {
723: errno = EFTYPE;
724: goto out;
725: }
726: sh.sh_properties = CDF_TOLE4(shp->sh_properties);
727: #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
728: if (sh.sh_properties > CDF_PROP_LIMIT)
729: goto out;
730: DPRINTF(("section len: %u properties %u\n", sh.sh_len,
731: sh.sh_properties));
732: if (*maxcount) {
733: if (*maxcount > CDF_PROP_LIMIT)
734: goto out;
735: *maxcount += sh.sh_properties;
736: inp = realloc(*info, *maxcount * sizeof(*inp));
737: } else {
738: *maxcount = sh.sh_properties;
739: inp = malloc(*maxcount * sizeof(*inp));
740: }
741: if (inp == NULL)
742: goto out;
743: *info = inp;
744: inp += *count;
745: *count += sh.sh_properties;
746: p = (const void *)((const char *)sst->sst_tab + offs + sizeof(sh));
747: e = (const void *)(((const char *)shp) + sh.sh_len);
748: if (cdf_check_stream_offset(sst, e, 0) == -1)
749: goto out;
750: for (i = 0; i < sh.sh_properties; i++) {
751: q = (const uint32_t *)((const char *)p +
752: CDF_TOLE4(p[(i << 1) + 1])) - 2;
753: if (q > e) {
754: DPRINTF(("Ran of the end %p > %p\n", q, e));
755: goto out;
756: }
757: inp[i].pi_id = CDF_TOLE4(p[i << 1]);
758: inp[i].pi_type = CDF_TOLE4(q[0]);
759: DPRINTF(("%d) id=%x type=%x offs=%x\n", i, inp[i].pi_id,
760: inp[i].pi_type, (const char *)q - (const char *)p));
761: if (inp[i].pi_type & CDF_VECTOR) {
762: nelements = CDF_TOLE4(q[1]);
763: o = 2;
764: } else {
765: nelements = 1;
766: o = 1;
767: }
768: if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
769: goto unknown;
770: switch (inp[i].pi_type & CDF_TYPEMASK) {
771: case CDF_EMPTY:
772: break;
773: case CDF_SIGNED16:
774: if (inp[i].pi_type & CDF_VECTOR)
775: goto unknown;
776: (void)memcpy(&s16, &q[o], sizeof(s16));
777: inp[i].pi_s16 = CDF_TOLE2(s16);
778: break;
779: case CDF_SIGNED32:
780: if (inp[i].pi_type & CDF_VECTOR)
781: goto unknown;
782: (void)memcpy(&s32, &q[o], sizeof(s32));
783: inp[i].pi_s32 = CDF_TOLE4(s32);
784: break;
785: case CDF_BOOL:
786: case CDF_UNSIGNED32:
787: if (inp[i].pi_type & CDF_VECTOR)
788: goto unknown;
789: (void)memcpy(&u32, &q[o], sizeof(u32));
790: inp[i].pi_u32 = CDF_TOLE4(u32);
791: break;
792: case CDF_SIGNED64:
793: if (inp[i].pi_type & CDF_VECTOR)
794: goto unknown;
795: (void)memcpy(&s64, &q[o], sizeof(s64));
796: inp[i].pi_s64 = CDF_TOLE4(s64);
797: break;
798: case CDF_UNSIGNED64:
799: if (inp[i].pi_type & CDF_VECTOR)
800: goto unknown;
801: (void)memcpy(&u64, &q[o], sizeof(u64));
802: inp[i].pi_u64 = CDF_TOLE4(u64);
803: break;
804: case CDF_LENGTH32_STRING:
805: if (nelements > 1) {
806: size_t nelem = inp - *info;
807: if (*maxcount > CDF_PROP_LIMIT
808: || nelements > CDF_PROP_LIMIT)
809: goto out;
810: *maxcount += nelements;
811: inp = realloc(*info, *maxcount * sizeof(*inp));
812: if (inp == NULL)
813: goto out;
814: *info = inp;
815: inp = *info + nelem;
816: }
817: DPRINTF(("nelements = %d\n", nelements));
818: for (j = 0; j < nelements; j++, i++) {
819: uint32_t l = CDF_TOLE4(q[o]);
820: inp[i].pi_str.s_len = l;
821: inp[i].pi_str.s_buf = (const char *)(&q[o+1]);
822: DPRINTF(("l = %d, r = %d, s = %s\n", l,
823: CDF_ROUND(l, sizeof(l)),
824: inp[i].pi_str.s_buf));
825: l = 4 + CDF_ROUND(l, sizeof(l));
826: o += l >> 2;
827: }
828: i--;
829: break;
830: case CDF_FILETIME:
831: if (inp[i].pi_type & CDF_VECTOR)
832: goto unknown;
833: (void)memcpy(&tp, &q[o], sizeof(tp));
834: inp[i].pi_tp = CDF_TOLE8(tp);
835: break;
836: case CDF_CLIPBOARD:
837: if (inp[i].pi_type & CDF_VECTOR)
838: goto unknown;
839: break;
840: default:
841: unknown:
842: DPRINTF(("Don't know how to deal with %x\n",
843: inp[i].pi_type));
844: goto out;
845: }
846: }
847: return 0;
848: out:
849: free(*info);
850: return -1;
851: }
852:
853: int
854: cdf_unpack_summary_info(const cdf_stream_t *sst, cdf_summary_info_header_t *ssi,
855: cdf_property_info_t **info, size_t *count)
856: {
857: size_t i, maxcount;
858: const cdf_summary_info_header_t *si = sst->sst_tab;
859: const cdf_section_declaration_t *sd = (const void *)
860: ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET);
861:
862: if (cdf_check_stream_offset(sst, si, sizeof(*si)) == -1 ||
863: cdf_check_stream_offset(sst, sd, sizeof(*sd)) == -1)
864: return -1;
865: ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
866: ssi->si_os_version = CDF_TOLE2(si->si_os_version);
867: ssi->si_os = CDF_TOLE2(si->si_os);
868: ssi->si_class = si->si_class;
869: cdf_swap_class(&ssi->si_class);
870: ssi->si_count = CDF_TOLE2(si->si_count);
871: *count = 0;
872: maxcount = 0;
873: *info = NULL;
874: for (i = 0; i < CDF_TOLE4(si->si_count); i++) {
875: if (i >= CDF_LOOP_LIMIT) {
876: DPRINTF(("Unpack summary info loop limit"));
877: errno = EFTYPE;
878: return -1;
879: }
880: if (cdf_read_property_info(sst, CDF_TOLE4(sd->sd_offset),
881: info, count, &maxcount) == -1)
882: return -1;
883: }
884: return 0;
885: }
886:
887:
888:
889: int
890: cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
891: {
892: return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
893: "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
894: id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
895: id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
896: id->cl_six[5]);
897: }
898:
899: static const struct {
900: uint32_t v;
901: const char *n;
902: } vn[] = {
903: { CDF_PROPERTY_CODE_PAGE, "Code page" },
904: { CDF_PROPERTY_TITLE, "Title" },
905: { CDF_PROPERTY_SUBJECT, "Subject" },
906: { CDF_PROPERTY_AUTHOR, "Author" },
907: { CDF_PROPERTY_KEYWORDS, "Keywords" },
908: { CDF_PROPERTY_COMMENTS, "Comments" },
909: { CDF_PROPERTY_TEMPLATE, "Template" },
910: { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
911: { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
912: { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
913: { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
914: { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
915: { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
916: { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
917: { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
918: { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
919: { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
920: { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
921: { CDF_PROPERTY_SECURITY, "Security" },
922: { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
923: };
924:
925: int
926: cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
927: {
928: size_t i;
929:
930: for (i = 0; i < __arraycount(vn); i++)
931: if (vn[i].v == p)
932: return snprintf(buf, bufsiz, "%s", vn[i].n);
933: return snprintf(buf, bufsiz, "0x%x", p);
934: }
935:
936: int
937: cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
938: {
939: size_t len = 0;
940: int days, hours, mins, secs;
941:
942: ts /= CDF_TIME_PREC;
943: secs = ts % 60;
944: ts /= 60;
945: mins = ts % 60;
946: ts /= 60;
947: hours = ts % 24;
948: ts /= 24;
949: days = ts;
950:
951: if (days) {
952: len += snprintf(buf + len, bufsiz - len, "%dd+", days);
953: if (len >= bufsiz)
954: return len;
955: }
956:
957: if (days || hours) {
958: len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
959: if (len >= bufsiz)
960: return len;
961: }
962:
963: len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
964: if (len >= bufsiz)
965: return len;
966:
967: len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
968: return len;
969: }
970:
971:
972: #ifdef CDF_DEBUG
973: void
974: cdf_dump_header(const cdf_header_t *h)
975: {
976: size_t i;
977:
978: #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
979: #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
980: h->h_ ## b, 1 << h->h_ ## b)
981: DUMP("%d", revision);
982: DUMP("%d", version);
983: DUMP("0x%x", byte_order);
984: DUMP2("%d", sec_size_p2);
985: DUMP2("%d", short_sec_size_p2);
986: DUMP("%d", num_sectors_in_sat);
987: DUMP("%d", secid_first_directory);
988: DUMP("%d", min_size_standard_stream);
989: DUMP("%d", secid_first_sector_in_short_sat);
990: DUMP("%d", num_sectors_in_short_sat);
991: DUMP("%d", secid_first_sector_in_master_sat);
992: DUMP("%d", num_sectors_in_master_sat);
993: for (i = 0; i < __arraycount(h->h_master_sat); i++) {
994: if (h->h_master_sat[i] == CDF_SECID_FREE)
995: break;
996: (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n",
997: "master_sat", i, h->h_master_sat[i]);
998: }
999: }
1000:
1001: void
1002: cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1003: {
1004: size_t i, j, s = size / sizeof(cdf_secid_t);
1005:
1006: for (i = 0; i < sat->sat_len; i++) {
1007: (void)fprintf(stderr, "%s[%zu]:\n%.6d: ", prefix, i, i * s);
1008: for (j = 0; j < s; j++) {
1009: (void)fprintf(stderr, "%5d, ",
1010: CDF_TOLE4(sat->sat_tab[s * i + j]));
1011: if ((j + 1) % 10 == 0)
1012: (void)fprintf(stderr, "\n%.6d: ",
1013: i * s + j + 1);
1014: }
1015: (void)fprintf(stderr, "\n");
1016: }
1017: }
1018:
1019: void
1020: cdf_dump(void *v, size_t len)
1021: {
1022: size_t i, j;
1023: unsigned char *p = v;
1024: char abuf[16];
1025: (void)fprintf(stderr, "%.4x: ", 0);
1026: for (i = 0, j = 0; i < len; i++, p++) {
1027: (void)fprintf(stderr, "%.2x ", *p);
1028: abuf[j++] = isprint(*p) ? *p : '.';
1029: if (j == 16) {
1030: j = 0;
1031: abuf[15] = '\0';
1032: (void)fprintf(stderr, "%s\n%.4x: ", abuf, i + 1);
1033: }
1034: }
1035: (void)fprintf(stderr, "\n");
1036: }
1037:
1038: void
1039: cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1040: {
1041: size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1042: CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1043: cdf_dump(sst->sst_tab, ss * sst->sst_len);
1044: }
1045:
1046: void
1047: cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1048: const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1049: const cdf_dir_t *dir)
1050: {
1051: size_t i, j;
1052: cdf_directory_t *d;
1053: char name[__arraycount(d->d_name)];
1054: cdf_stream_t scn;
1055: struct timeval ts;
1056:
1057: static const char *types[] = { "empty", "user storage",
1058: "user stream", "lockbytes", "property", "root storage" };
1059:
1060: for (i = 0; i < dir->dir_len; i++) {
1061: d = &dir->dir_tab[i];
1062: for (j = 0; j < sizeof(name); j++)
1063: name[j] = (char)CDF_TOLE2(d->d_name[j]);
1064: (void)fprintf(stderr, "Directory %zu: %s\n", i, name);
1065: if (d->d_type < __arraycount(types))
1066: (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1067: else
1068: (void)fprintf(stderr, "Type: %d\n", d->d_type);
1069: (void)fprintf(stderr, "Color: %s\n",
1070: d->d_color ? "black" : "red");
1071: (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1072: (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1073: (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1074: cdf_timestamp_to_timespec(&ts, d->d_created);
1075: (void)fprintf(stderr, "Created %s", ctime(&ts.tv_sec));
1076: cdf_timestamp_to_timespec(&ts, d->d_modified);
1077: (void)fprintf(stderr, "Modified %s", ctime(&ts.tv_sec));
1078: (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1079: (void)fprintf(stderr, "Size %d\n", d->d_size);
1080: switch (d->d_type) {
1081: case CDF_DIR_TYPE_USER_STORAGE:
1082: (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1083: break;
1084: case CDF_DIR_TYPE_USER_STREAM:
1085: if (sst == NULL)
1086: break;
1087: if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1088: d->d_stream_first_sector, d->d_size, &scn) == -1) {
1089: warn("Can't read stream for %s at %d len %d",
1090: name, d->d_stream_first_sector, d->d_size);
1091: break;
1092: }
1093: cdf_dump_stream(h, &scn);
1094: free(scn.sst_tab);
1095: break;
1096: default:
1097: break;
1098: }
1099:
1100: }
1101: }
1102:
1103: void
1104: cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1105: {
1106: cdf_timestamp_t tp;
1107: struct timeval ts;
1108: char buf[64];
1109: size_t i;
1110:
1111: for (i = 0; i < count; i++) {
1112: cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1113: (void)fprintf(stderr, "%zu) %s: ", i, buf);
1114: switch (info[i].pi_type) {
1115: case CDF_SIGNED16:
1116: (void)fprintf(stderr, "signed 16 [%hd]\n",
1117: info[i].pi_s16);
1118: break;
1119: case CDF_SIGNED32:
1120: (void)fprintf(stderr, "signed 32 [%d]\n",
1121: info[i].pi_s32);
1122: break;
1123: case CDF_UNSIGNED32:
1124: (void)fprintf(stderr, "unsigned 32 [%u]\n",
1125: info[i].pi_u32);
1126: break;
1127: case CDF_LENGTH32_STRING:
1128: (void)fprintf(stderr, "string %u [%.*s]\n",
1129: info[i].pi_str.s_len,
1130: info[i].pi_str.s_len, info[i].pi_str.s_buf);
1131: break;
1132: case CDF_FILETIME:
1133: tp = info[i].pi_tp;
1134: #if defined(PHP_WIN32) && _MSC_VER <= 1500
1135: if (tp < 1000000000000000i64) {
1136: #else
1137: if (tp < 1000000000000000LL) {
1138: #endif
1139: cdf_print_elapsed_time(buf, sizeof(buf), tp);
1140: (void)fprintf(stderr, "timestamp %s\n", buf);
1141: } else {
1142: cdf_timestamp_to_timespec(&ts, tp);
1143: (void)fprintf(stderr, "timestamp %s",
1144: ctime(&ts.tv_sec));
1145: }
1146: break;
1147: case CDF_CLIPBOARD:
1148: (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1149: break;
1150: default:
1151: DPRINTF(("Don't know how to deal with %x\n",
1152: info[i].pi_type));
1153: break;
1154: }
1155: }
1156: }
1157:
1158:
1159: void
1160: cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1161: {
1162: char buf[128];
1163: cdf_summary_info_header_t ssi;
1164: cdf_property_info_t *info;
1165: size_t count;
1166:
1167: (void)&h;
1168: if (cdf_unpack_summary_info(sst, &ssi, &info, &count) == -1)
1169: return;
1170: (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1171: (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1172: ssi.si_os_version >> 8);
1173: (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1174: cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1175: (void)fprintf(stderr, "Class %s\n", buf);
1176: (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1177: cdf_dump_property_info(info, count);
1178: free(info);
1179: }
1180:
1181: #endif
1182:
1183: #ifdef TEST
1184: int
1185: main(int argc, char *argv[])
1186: {
1187: int i;
1188: cdf_header_t h;
1189: cdf_sat_t sat, ssat;
1190: cdf_stream_t sst, scn;
1191: cdf_dir_t dir;
1192: cdf_info_t info;
1193:
1194: if (argc < 2) {
1195: (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1196: return -1;
1197: }
1198:
1199: info.i_buf = NULL;
1200: info.i_len = 0;
1201: for (i = 1; i < argc; i++) {
1202: if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1203: err(1, "Cannot open `%s'", argv[1]);
1204:
1205: if (cdf_read_header(&info, &h) == -1)
1206: err(1, "Cannot read header");
1207: #ifdef CDF_DEBUG
1208: cdf_dump_header(&h);
1209: #endif
1210:
1211: if (cdf_read_sat(&info, &h, &sat) == -1)
1212: err(1, "Cannot read sat");
1213: #ifdef CDF_DEBUG
1214: cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1215: #endif
1216:
1217: if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1218: err(1, "Cannot read ssat");
1219: #ifdef CDF_DEBUG
1220: cdf_dump_sat("SSAT", &h, &ssat, CDF_SHORT_SEC_SIZE(&h));
1221: #endif
1222:
1223: if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1224: err(1, "Cannot read dir");
1225:
1226: if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
1227: err(1, "Cannot read short stream");
1228: #ifdef CDF_DEBUG
1229: cdf_dump_stream(&h, &sst);
1230: #endif
1231:
1232: #ifdef CDF_DEBUG
1233: cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1234: #endif
1235:
1236:
1237: if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1238: &scn) == -1)
1239: err(1, "Cannot read summary info");
1240: #ifdef CDF_DEBUG
1241: cdf_dump_summary_info(&h, &scn);
1242: #endif
1243:
1244: (void)close(info.i_fd);
1245: }
1246:
1247: return 0;
1248: }
1249: #endif