]> granicus.if.org Git - file/commitdiff
add cdf support.
authorChristos Zoulas <christos@zoulas.com>
Sun, 12 Oct 2008 15:38:51 +0000 (15:38 +0000)
committerChristos Zoulas <christos@zoulas.com>
Sun, 12 Oct 2008 15:38:51 +0000 (15:38 +0000)
src/Makefile.am
src/cdf.c [new file with mode: 0644]
src/cdf.h [new file with mode: 0644]
src/cdf_time.c [new file with mode: 0644]
src/file.c
src/file.h
src/funcs.c
src/magic.h
src/readcdf.c [new file with mode: 0644]

index 308eb7f5b50d63d183206d5da1e128997848c4bc..1bc60c0c76ea9168a08636c4860621f0896239f8 100644 (file)
@@ -10,7 +10,7 @@ AM_CFLAGS = @WARNINGS@
 libmagic_la_SOURCES = magic.c apprentice.c softmagic.c ascmagic.c \
        compress.c is_tar.c readelf.c print.c fsmagic.c \
        funcs.c file.h names.h patchlevel.h readelf.h tar.h apptype.c \
-       file_opts.h elfclass.h mygetopt.h
+       file_opts.h elfclass.h mygetopt.h cdf.c cdf_time.c readcdf.c
 libmagic_la_LDFLAGS = -no-undefined -version-info 1:0:0
 libmagic_la_LIBADD = $(LTLIBOBJS)
 
diff --git a/src/cdf.c b/src/cdf.c
new file mode 100644 (file)
index 0000000..07f6d95
--- /dev/null
+++ b/src/cdf.c
@@ -0,0 +1,710 @@
+/*-
+ * Copyright (c) 2008 Christos Zoulas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <time.h>
+#include <ctype.h>
+
+#include "cdf.h"
+
+#ifndef __arraycount
+#define __arraycount(a) (sizeof(a) / sizeof(a[0]))
+#endif
+
+#ifdef CDF_DEBUG
+#define DPRINTF(a) printf a
+#else
+#define DPRINTF(a)
+#endif
+
+#ifdef notyet
+/*
+ * swap a short
+ */
+static uint16_t
+swap2(uint16_t sv)
+{
+       uint16_t rv;
+       uint8_t *s = (uint8_t *)(void *)&sv; 
+       uint8_t *d = (uint8_t *)(void *)&rv; 
+       d[0] = s[1];
+       d[1] = s[0];
+       return rv;
+}
+
+/*
+ * swap an int
+ */
+static uint32_t
+swap4(uint32_t sv)
+{
+       uint32_t rv;
+       uint8_t *s = (uint8_t *)(void *)&sv; 
+       uint8_t *d = (uint8_t *)(void *)&rv; 
+       d[0] = s[3];
+       d[1] = s[2];
+       d[2] = s[1];
+       d[3] = s[0];
+       return rv;
+}
+#endif
+
+/*
+ * swap a quad
+ */
+static uint64_t
+swap8(uint64_t sv)
+{
+       uint64_t rv;
+       uint8_t *s = (uint8_t *)(void *)&sv; 
+       uint8_t *d = (uint8_t *)(void *)&rv; 
+#if 0
+       d[0] = s[3];
+       d[1] = s[2];
+       d[2] = s[1];
+       d[3] = s[0];
+       d[4] = s[7];
+       d[5] = s[6];
+       d[6] = s[5];
+       d[7] = s[4];
+#else
+       d[0] = s[7];
+       d[1] = s[6];
+       d[2] = s[5];
+       d[3] = s[4];
+       d[4] = s[3];
+       d[5] = s[2];
+       d[6] = s[1];
+       d[7] = s[0];
+#endif
+       return rv;
+}
+
+int
+cdf_read_header(int fd, cdf_header_t *h)
+{
+       assert(sizeof(*h) == 512);
+       if (lseek(fd, (off_t)0, SEEK_SET) == (off_t)-1)
+               return -1;
+       if (read(fd, h, sizeof(*h)) != sizeof(*h))
+               return -1;
+       if (swap8(h->h_magic) != CDF_MAGIC) {
+               errno = EFTYPE;
+               return -1;
+       }
+       return 0;
+}
+
+
+ssize_t
+cdf_read_sector(int fd, void *buf, size_t offs, size_t len,
+    const cdf_header_t *h, cdf_secid_t id)
+{
+       assert((size_t)CDF_SEC_SIZE(h) == len);
+       if (lseek(fd, (off_t)CDF_SEC_POS(h, id), SEEK_SET) == (off_t)-1)
+               return -1;
+       if (read(fd, ((char *)buf) + offs, len) != (ssize_t)len)
+               return -1;
+       return len;
+}
+
+/*
+ * Read the sector allocation table.
+ */
+int
+cdf_read_sat(int fd, cdf_header_t *h, cdf_sat_t *sat)
+{
+       size_t i, j, k;
+       size_t ss = CDF_SEC_SIZE(h);
+       cdf_secid_t *msa, mid;
+
+       for (i = 0; i < __arraycount(h->h_master_sat); i++)
+               if (h->h_master_sat[i] == CDF_SECID_FREE)
+                       break;
+
+       sat->sat_len = (h->h_num_sectors_in_master_sat + i);
+       if ((sat->sat_tab = calloc(sat->sat_len, ss)) == NULL)
+               return -1;
+
+       for (i = 0; i < __arraycount(h->h_master_sat); i++) {
+               if (h->h_master_sat[i] < 0)
+                       break;
+               if (cdf_read_sector(fd, sat->sat_tab, ss * i, ss, h,
+                   h->h_master_sat[i]) != (ssize_t)ss) {
+                       warnx("Reading sector %d", h->h_master_sat[i]);
+                       free(sat->sat_tab);
+                       return -1;
+               }
+       }
+
+       if ((msa = calloc(1, ss)) == NULL)
+               return -1;
+
+       mid = h->h_secid_first_sector_in_master_sat;
+       for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
+               if (cdf_read_sector(fd, msa, 0, ss, h, mid) != (ssize_t)ss) {
+                       warnx("Reading master sector %d", mid);
+                       free(sat->sat_tab);
+                       free(msa);
+                       return -1;
+               }
+               for (k = 0; k < (ss / sizeof(mid)) - 1; k++, i++)
+                       if (cdf_read_sector(fd, sat->sat_tab, ss * i, ss, h,
+                           msa[k]) != (ssize_t)ss) {
+                               warnx("Reading sector %d", msa[k]);
+                               free(sat->sat_tab);
+                               free(msa);
+                               return -1;
+                       }
+               mid = msa[(ss / sizeof(mid)) - 1];
+       }
+       free(msa);
+       return 0;
+}
+
+size_t
+cdf_count_chain(const cdf_header_t *h, const cdf_sat_t *sat, cdf_secid_t sid)
+{
+       size_t i, s = CDF_SEC_SIZE(h) / sizeof(cdf_secid_t);
+
+       DPRINTF(("Chain:"));
+       for (i = 0; sid >= 0; i++) {
+               DPRINTF((" %d", sid));
+               if (sid > (cdf_secid_t)(sat->sat_len * s)) {
+                       errno = EFTYPE;
+                       return (size_t)-1;
+               }
+               sid = sat->sat_tab[sid];
+       }
+       DPRINTF(("\n"));
+       return i;
+}
+
+int
+cdf_read_stream(int fd, const cdf_header_t *h, const cdf_sat_t *sat,
+    cdf_secid_t sid, size_t len, cdf_stream_t *sst)
+{
+       size_t ss = CDF_SEC_SIZE(h), i;
+
+       sst->sst_len = cdf_count_chain(h, sat, sid);
+       sst->sst_dirlen = len;
+
+       if (sst->sst_len == (size_t)-1)
+               return -1;
+
+       sst->sst_tab = calloc(sst->sst_len, ss);
+       if (sst->sst_tab == NULL)
+               return -1;
+
+       for (i = 0; sid >= 0; i++) {
+               if (cdf_read_sector(fd, sst->sst_tab, i * ss, ss, h, sid)
+                   != (ssize_t)ss) {
+                       warnx("Reading short stream sector %d", sid);
+                       free(sst->sst_tab);
+                       return -1;
+               }
+               sid = sat->sat_tab[sid];
+       }
+       return 0;
+}
+
+
+int
+cdf_read_dir(int fd, const cdf_header_t *h, const cdf_sat_t *sat,
+    cdf_dir_t *dir)
+{
+       size_t i;
+       size_t ss = CDF_SEC_SIZE(h), ns;
+       cdf_secid_t sid = h->h_secid_first_directory;
+
+       ns = cdf_count_chain(h, sat, sid);
+       if (ns == (size_t)-1)
+               return -1;
+
+       dir->dir_tab = calloc(ns, sizeof(dir->dir_tab[0]));
+       if (dir->dir_tab == NULL)
+               return -1;
+       dir->dir_len = ns * ss / sizeof(dir->dir_tab[0]);
+
+       for (i = 0; i < ns; i++) {
+               if (cdf_read_sector(fd, dir->dir_tab, i * ss, ss, h, sid) !=
+                   (ssize_t)ss) {
+                       warnx("Reading directory sector %d", sid);
+                       free(dir->dir_tab);
+                       return -1;
+               }
+               sid = sat->sat_tab[sid];
+       }
+       return 0;
+}
+
+
+int
+cdf_read_ssat(int fd, const cdf_header_t *h, const cdf_sat_t *sat,
+    cdf_sat_t *ssat)
+{
+       size_t i;
+       size_t ss = CDF_SEC_SIZE(h);
+       cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
+
+       ssat->sat_len = cdf_count_chain(h, sat, sid);
+       if (sat->sat_len == (size_t)-1)
+               return -1;
+
+       ssat->sat_tab = calloc(ssat->sat_len, ss);
+       if (sat->sat_tab == NULL)
+               return -1;
+
+       for (i = 0; sid >= 0; i++) {
+               if (cdf_read_sector(fd, ssat->sat_tab, i * ss, ss, h, sid) !=
+                   (ssize_t)ss) {
+                       warnx("Reading short sat sector %d", sid);
+                       free(sat->sat_tab);
+                       return -1;
+               }
+               sid = sat->sat_tab[sid];
+       }
+       return 0;
+}
+
+int
+cdf_read_short_stream(int fd, const cdf_header_t *h, const cdf_sat_t *sat,
+    const cdf_dir_t *dir, cdf_stream_t *sst)
+{
+       size_t i;
+       const cdf_directory_t *d;
+
+       for (i = 0; i < dir->dir_len; i++)
+               if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
+                       break;
+
+       if (i == dir->dir_len) {
+               errno = EFTYPE;
+               return -1;
+       }
+       d = &dir->dir_tab[i];
+
+       return cdf_read_stream(fd, h, sat, d->d_stream_first_sector, d->d_size,
+           sst);
+}
+
+static int
+cdf_namecmp(const char *d, const uint16_t *s, size_t l)
+{
+       for (; l--; d++, s++)
+               if (*d != *s)
+                       return (unsigned char)*d - *s;
+       return 0;
+}
+
+int
+cdf_read_summary_info(int fd, const cdf_header_t *h,
+    const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *sst)
+{
+       size_t i;
+       const cdf_directory_t *d;
+       static const char name[] = "\05SummaryInformation";
+
+       for (i = 0; i < dir->dir_len; i++)
+               if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_USER_STREAM &&
+                   cdf_namecmp(name, dir->dir_tab[i].d_name, sizeof(name)) == 0)
+                       break;
+
+       if (i == dir->dir_len) {
+               errno = EFTYPE;
+               return -1;
+       }
+       d = &dir->dir_tab[i];
+       return cdf_read_stream(fd, h, sat, d->d_stream_first_sector, d->d_size,
+           sst);
+}
+
+
+int
+cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
+{
+       return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
+           "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
+           id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
+           id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
+           id->cl_six[5]);
+}
+
+static const struct {
+       uint32_t v;
+       const char *n;
+} vn[] = {
+       { CDF_PROPERTY_CODE_PAGE, "Code page" },
+       { CDF_PROPERTY_TITLE, "Title" },
+       { CDF_PROPERTY_SUBJECT, "Subject" },
+       { CDF_PROPERTY_AUTHOR, "Author" },
+       { CDF_PROPERTY_KEYWORDS, "Keywords" },
+       { CDF_PROPERTY_COMMENTS, "Comments" },
+       { CDF_PROPERTY_TEMPLATE, "Template" },
+       { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
+       { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
+       { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
+       { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
+       { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
+       { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
+       { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
+       { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
+       { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
+       { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
+       { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
+       { CDF_PROPERTY_SECURITY, "Security" },
+       { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
+};
+
+int
+cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
+{
+       size_t i;
+
+       for (i = 0; i < __arraycount(vn); i++)
+               if (vn[i].v == p)
+                       return snprintf(buf, bufsiz, "%s", vn[i].n);
+       return snprintf(buf, bufsiz, "0x%x", p);
+}
+
+int
+cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
+{
+       size_t len = 0;
+       int days, hours, mins, secs;
+
+       ts /= CDF_TIME_PREC;
+       secs = ts % 60;
+       ts /= 60;
+       mins = ts % 60;
+       ts /= 60;
+       hours = ts % 24;
+       ts /= 24;
+       days = ts;
+
+       if (days) {
+               len += snprintf(buf + len, bufsiz - len, "%dd+", days);
+               if (len >= bufsiz)
+                       return len;
+       }
+
+       if (days || hours) {
+               len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
+               if (len >= bufsiz)
+                       return len;
+       }
+
+       len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
+       if (len >= bufsiz)
+               return len;
+
+       len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
+       return len;
+}
+
+
+#ifdef CDF_DEBUG
+void
+cdf_dump_header(const cdf_header_t *h)
+{
+       size_t i;
+
+#define DUMP(a, b) printf("%40.40s = " a "\n", # b, h->h_ ## b)
+       DUMP("%d", revision);
+       DUMP("%d", version);
+       DUMP("0x%x", byte_order);
+       DUMP("%d", sec_size_p2);
+       DUMP("%d", short_sec_size_p2);
+       DUMP("%d", num_sectors_in_sat);
+       DUMP("%d", secid_first_directory);
+       DUMP("%d", min_size_standard_stream);
+       DUMP("%d", secid_first_sector_in_short_sat);
+       DUMP("%d", num_sectors_in_short_sat);
+       DUMP("%d", secid_first_sector_in_master_sat);
+       DUMP("%d", num_sectors_in_master_sat);
+       for (i = 0; i < __arraycount(h->h_master_sat); i++) {
+               if (h->h_master_sat[i] == CDF_SECID_FREE)
+                       break;
+               printf("%35.35s[%.3zu] = %d\n",
+                   "master_sat", i, h->h_master_sat[i]);
+       }
+}
+
+void
+cdf_dump_sat(const char *prefix, const cdf_header_t *h, const cdf_sat_t *sat)
+{
+       size_t i, j, s = CDF_SEC_SIZE(h) / sizeof(cdf_secid_t);
+
+       for (i = 0; i < sat->sat_len; i++) {
+               printf("%s[%zu]:\n", prefix, i);
+               for (j = 0; j < s; j++) {
+                       printf("%5d, ", sat->sat_tab[s * i + j]);
+                       if ((j + 1) % 10 == 0)
+                               printf("\n");
+               }
+               printf("\n");
+       }
+}
+
+void
+cdf_dump(void *v, size_t len)
+{
+       size_t i;
+       unsigned char *p = v;
+       for (i = 0; i < len; i++, p++) {
+               if (0 && *p == 0)
+                       continue;
+               if (isprint(*p))
+                       printf("%c ", *p);
+               else
+                       printf("0x%x ", *p);
+       }
+}
+
+void
+cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
+{
+       cdf_dump(sst->sst_tab, CDF_SEC_SIZE(h) * sst->sst_len);
+}
+
+void
+cdf_dump_dir(int fd, const cdf_header_t *h, const cdf_sat_t *sat,
+    const cdf_dir_t *dir)
+{
+       size_t i, j;
+       cdf_directory_t *d;
+       char name[__arraycount(d->d_name)];
+       cdf_stream_t sst;
+       struct timespec ts;
+
+       static const char *types[] = { "empty", "user storage",
+           "user stream", "lockbytes", "property", "root storage" };
+
+       for (i = 0; i < dir->dir_len; i++) {
+               d = &dir->dir_tab[i];
+               for (j = 0; j < sizeof(name); j++)
+                       name[j] = (char)d->d_name[j];
+               printf("Directory %zu: %s\n", i, name);
+               if (d->d_type < __arraycount(types))
+                       printf("Type: %s\n", types[d->d_type]);
+               else
+                       printf("Type: %d\n", d->d_type);
+               printf("Color: %s\n", d->d_color ? "black" : "red");
+               printf("Left child: %d\n", d->d_left_child);
+               printf("Right child: %d\n", d->d_right_child);
+               switch (d->d_type) {
+               case CDF_DIR_TYPE_USER_STORAGE:
+                       printf("Storage: %d\n", d->d_storage);
+                       break;
+               case CDF_DIR_TYPE_USER_STREAM:
+                       if (cdf_read_stream(fd, h, sat,
+                           d->d_stream_first_sector, d->d_size, &sst) == -1) {
+                               warn("Can't read stream");
+                               break;
+                       }
+                       cdf_dump_stream(h, &sst);
+                       free(sst.sst_tab);
+                       break;
+               default:
+                       break;
+               }
+                       
+               printf("Flags: 0x%x\n", d->d_flags);
+               cdf_timestamp_to_timespec(&ts, d->d_created);
+               printf("Created %s", ctime(&ts.tv_sec));
+               cdf_timestamp_to_timespec(&ts, d->d_modified);
+               printf("Modified %s", ctime(&ts.tv_sec));
+               printf("Stream %d\n", d->d_stream_first_sector);
+               printf("Size %d\n", d->d_size);
+       }
+}
+
+void
+cdf_dump_section_info(const cdf_stream_t *sst, uint32_t offs)
+{
+       const cdf_section_header_t *sh;
+       const uint32_t *p, *q, *e;
+       size_t i, len;
+       uint32_t u32;
+       int32_t s32;
+       int16_t s16;
+       cdf_timestamp_t tp;
+       struct timespec ts;
+       char buf[64];
+
+       sh = (const void *)((const char *)sst->sst_tab + offs);
+       printf("Length %d, Properties %d\n", sh->sh_len, sh->sh_properties);
+       p = (const void *)((const char *)sst->sst_tab + offs + sizeof(*sh));
+       q = p + (sh->sh_properties << 1);
+       e = (void *)(((char *)sh) + sh->sh_len);
+       for (i = 0; i < sh->sh_properties; i++) {
+               cdf_print_property_name(buf, sizeof(buf), p[i << 1]);
+               printf("%zu) %s: ", i, buf); 
+               switch (q[0]) {
+               case CDF_SIGNED16:
+                       (void)memcpy(&s16, &q[1], sizeof(s16));
+                       printf("signed 16 [%hd]\n", s16);
+                       len = 2;
+                       break;
+               case CDF_SIGNED32:
+                       (void)memcpy(&s32, &q[1], sizeof(s32));
+                       printf("signed 32 [%d]\n", s32);
+                       len = 4;
+                       break;
+               case CDF_UNSIGNED32:
+                       (void)memcpy(&u32, &q[1], sizeof(u32));
+                       printf("unsigned 32 [%u]\n", u32);
+                       len = 4;
+                       break;
+               case CDF_LENGTH32_STRING:
+                       printf("string %u [%.*s]\n", q[1], q[1],
+                           (const char *)(&q[2]));
+                       len = 4 + q[1];
+                       break;
+               case CDF_FILETIME:
+                       (void)memcpy(&tp, &q[1], sizeof(tp));
+                       if (tp < 1000000000000000LL) {
+                               cdf_print_elapsed_time(buf, sizeof(buf), tp);
+                               printf("timestamp %s\n", buf);
+                       } else {
+                               cdf_timestamp_to_timespec(&ts, tp);
+                               printf("timestamp %s", ctime(&ts.tv_sec));
+                       }
+                       len = 8;
+                       break;
+               case CDF_CLIPBOARD:
+                       printf("\n");
+                       len = 4 + q[1];
+                       break;
+               default:
+                       len = 4;
+                       DPRINTF(("Don't know how to deal with %x\n", q[0]));
+                       break;
+               }
+               q++;
+               q = (void *)(((char *)q) + CDF_ROUND(len, sizeof(*q)));
+               if (q > e) {
+                       DPRINTF(("Ran of the end %p > %p\n", q, e));
+                       return;
+               }
+       }
+}
+
+
+
+void
+cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
+{
+       char buf[128];
+       size_t i;
+       const cdf_summary_info_header_t *si = sst->sst_tab;
+       const cdf_section_declaration_t *sd = (const void *)
+           ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET);
+
+       printf("Endian: %x\n", si->si_byte_order);
+       printf("Os Version %d.%d\n", si->si_os_version & 0xff,
+               si->si_os_version >> 8);
+       printf("Os %d\n", si->si_os);
+       cdf_print_classid(buf, sizeof(buf), &si->si_class);
+       printf("Class %s\n", buf);
+       printf("Count %d\n", si->si_count);
+       for (i = 0; i < si->si_count; i++) {
+               cdf_print_classid(buf, sizeof(buf), &sd->sd_class);
+               printf("Section %zu: %s %x\n", i, buf, sd->sd_offset);
+               cdf_dump_section_info(sst, sd->sd_offset);
+       }
+}
+#endif
+
+#ifdef TEST
+int
+main(int argc, char *argv[])
+{
+       int fd, i;
+       cdf_header_t h;
+       cdf_sat_t sat, ssat;
+       cdf_stream_t sst;
+       cdf_dir_t dir;
+
+       if (argc < 2) {
+               (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
+               return -1;
+       }
+
+       for (i = 1; i < argc; i++) {
+               if ((fd = open(argv[1], O_RDONLY)) == -1)
+                       err(1, "Cannot open `%s'", argv[1]);
+
+               if (cdf_read_header(fd, &h) == -1)
+                       err(1, "Cannot read header");
+#ifdef CDF_DEBUG
+               cdf_dump_header(&h);
+#endif
+
+               if (cdf_read_sat(fd, &h, &sat) == -1)
+                       err(1, "Cannot read sat");
+#ifdef CDF_DEBUG
+               cdf_dump_sat("SAT", &h, &sat);
+#endif
+
+               if (cdf_read_ssat(fd, &h, &sat, &ssat) == -1)
+                       err(1, "Cannot read ssat");
+#ifdef CDF_DEBUG
+               cdf_dump_sat("SSAT", &h, &ssat);
+#endif
+
+               if (cdf_read_dir(fd, &h, &sat, &dir) == -1)
+                       err(1, "Cannot read dir");
+#ifdef CDF_DEBUG
+               cdf_dump_dir(fd, &h, &sat, &dir);
+#endif
+
+               if (cdf_read_short_stream(fd, &h, &sat, &dir, &sst) == -1)
+                       err(1, "Cannot read short stream");
+#ifdef CDF_DEBUG
+               cdf_dump_stream(&h, &sst);
+#endif
+
+               if (cdf_read_summary_info(fd, &h, &sat, &dir, &sst)
+                   == -1)
+                       err(1, "Cannot read summary info");
+#ifdef CDF_DEBUG
+               cdf_dump_summary_info(&h, &sst);
+#endif
+
+               (void)close(fd);
+       }
+
+       return 0;
+}
+#endif
diff --git a/src/cdf.h b/src/cdf.h
new file mode 100644 (file)
index 0000000..adc2cc4
--- /dev/null
+++ b/src/cdf.h
@@ -0,0 +1,204 @@
+/*-
+ * Copyright (c) 2008 Christos Zoulas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/*
+ * Info from: http://sc.openoffice.org/compdocfileformat.pdf 
+ */
+
+#ifndef _H_CDF_
+#define _H_CDF_
+
+typedef int32_t cdf_secid_t;
+
+#define CDF_SECID_NULL                                 0
+#define CDF_SECID_FREE                                 -1
+#define        CDF_SECID_END_OF_CHAIN                          -2
+#define        CDF_SECID_SECTOR_ALLOCATION_TABLE               -3
+#define CDF_SECID_MASTER_SECTOR_ALLOCATION_TABLE       -4
+
+typedef struct {
+       uint64_t        h_magic;
+#define CDF_MAGIC      0xD0CF11E0A1B11AE1LL
+       uint64_t        h_uuid[2];
+       uint16_t        h_revision;
+       uint16_t        h_version;
+       uint16_t        h_byte_order;
+       uint16_t        h_sec_size_p2;
+       uint16_t        h_short_sec_size_p2;
+       uint8_t         h_unused0[10];
+       uint32_t        h_num_sectors_in_sat;
+       uint32_t        h_secid_first_directory;
+       uint8_t         h_unused1[4];
+       uint32_t        h_min_size_standard_stream;
+       cdf_secid_t     h_secid_first_sector_in_short_sat;
+       uint32_t        h_num_sectors_in_short_sat;
+       cdf_secid_t     h_secid_first_sector_in_master_sat;
+       uint32_t        h_num_sectors_in_master_sat;
+       cdf_secid_t     h_master_sat[436/4];
+} cdf_header_t;
+
+#define CDF_SEC_SIZE(h)        (1 << (h)->h_sec_size_p2)
+#define CDF_SEC_POS(h, secid) (512 + (secid) * CDF_SEC_SIZE(h))
+#define CDF_SHORT_SEC_SIZE(h)  (1 << (h)->h_short_sec_size_p2)
+#define CDF_SHORT_SEC_POS(h, secid) ((secid) * CDF_SHORT_SEC_SIZE(h))
+
+typedef int32_t        cdf_dirid_t;
+#define CDF_DIRID_NULL -1
+
+typedef int64_t        cdf_timestamp_t;
+#define CDF_BASE_YEAR  1601
+#define CDF_TIME_PREC  10000000
+
+typedef struct {
+       uint16_t        d_name[32];
+       uint16_t        d_namelen;
+       uint8_t         d_type;
+#define CDF_DIR_TYPE_EMPTY             0
+#define        CDF_DIR_TYPE_USER_STORAGE       1
+#define        CDF_DIR_TYPE_USER_STREAM        2
+#define        CDF_DIR_TYPE_LOCKBYTES          3
+#define        CDF_DIR_TYPE_PROPERTY           4
+#define        CDF_DIR_TYPE_ROOT_STORAGE       5
+       uint8_t         d_color;
+#define CDF_DIR_COLOR_READ     0
+#define CDF_DIR_COLOR_BLACK    1
+       cdf_dirid_t     d_left_child;
+       cdf_dirid_t     d_right_child;
+       cdf_dirid_t     d_storage;
+       uint64_t        d_storage_uuid[2];
+       uint32_t        d_flags;
+       cdf_timestamp_t d_created;
+       cdf_timestamp_t d_modified;
+       cdf_secid_t     d_stream_first_sector;
+       uint32_t        d_size;
+       uint32_t        d_unused0;
+} cdf_directory_t;
+
+typedef struct {
+       cdf_secid_t *sat_tab;
+       size_t sat_len;
+} cdf_sat_t;
+
+typedef struct {
+       cdf_directory_t *dir_tab;
+       size_t dir_len;
+} cdf_dir_t;
+
+typedef struct {
+       void *sst_tab;
+       size_t sst_len;
+       size_t sst_dirlen;
+} cdf_stream_t;
+
+typedef struct {
+       uint32_t        cl_dword;
+       uint16_t        cl_word[2];
+       uint8_t         cl_two[2];
+       uint8_t         cl_six[6];
+} cdf_classid_t;
+
+typedef struct {
+       uint16_t        si_byte_order;
+       uint16_t        si_zero;
+       uint16_t        si_os_version;
+       uint16_t        si_os;
+       cdf_classid_t   si_class;
+       uint32_t        si_count;
+} cdf_summary_info_header_t;
+
+#define CDF_SECTION_DECLARATION_OFFSET 0x1c
+
+typedef struct {
+       cdf_classid_t   sd_class;
+       uint32_t        sd_offset;
+} cdf_section_declaration_t;
+
+typedef struct {
+       uint32_t        sh_len;
+       uint32_t        sh_properties;
+} cdf_section_header_t;
+
+#define CDF_ROUND(val, by)     (((val) + (by) - 1) & ~((by) - 1))
+
+#define CDF_SIGNED16           0x00000002
+#define CDF_SIGNED32           0x00000003
+#define        CDF_UNSIGNED32          0x00000013
+#define CDF_LENGTH32_STRING    0x0000001e
+#define CDF_FILETIME           0x00000040
+#define CDF_CLIPBOARD          0x00000047
+
+#define CDF_PROPERTY_CODE_PAGE                 0x00000001
+#define CDF_PROPERTY_TITLE                     0x00000002
+#define CDF_PROPERTY_SUBJECT                   0x00000003
+#define CDF_PROPERTY_AUTHOR                    0x00000004
+#define CDF_PROPERTY_KEYWORDS                  0x00000005
+#define CDF_PROPERTY_COMMENTS                  0x00000006
+#define CDF_PROPERTY_TEMPLATE                  0x00000007
+#define CDF_PROPERTY_LAST_SAVED_BY             0x00000008
+#define CDF_PROPERTY_REVISION_NUMBER           0x00000009
+#define CDF_PROPERTY_TOTAL_EDITING_TIME                0x0000000a
+#define CDF_PROPERTY_LAST_PRINTED              0X0000000b
+#define CDF_PROPERTY_CREATE_TIME               0x0000000c
+#define CDF_PROPERTY_LAST_SAVED_TIME           0x0000000d
+#define CDF_PROPERTY_NUMBER_OF_PAGES           0x0000000e
+#define CDF_PROPERTY_NUMBER_OF_WORDS           0x0000000f
+#define CDF_PROPERTY_NUMBER_OF_CHARACTERS      0x00000010
+#define CDF_PROPERTY_THUMBNAIL                 0x00000011
+#define CDF_PROPERTY_NAME_OF_APPLICATION       0x00000012
+#define CDF_PROPERTY_SECURITY                  0x00000013
+#define CDF_PROPERTY_LOCALE_ID                 0x80000000
+
+struct timespec;
+int cdf_timestamp_to_timespec(struct timespec *, cdf_timestamp_t);
+int cdf_timespec_to_timestamp(cdf_timestamp_t *, const struct timespec *);
+int cdf_read_header(int, cdf_header_t *);
+ssize_t cdf_read_sector(int, void *, size_t, size_t, const cdf_header_t *,
+    cdf_secid_t);
+int cdf_read_sat(int, cdf_header_t *, cdf_sat_t *);
+size_t cdf_count_chain(const cdf_header_t *, const cdf_sat_t *, cdf_secid_t);
+int cdf_read_stream(int, const cdf_header_t *, const cdf_sat_t *, cdf_secid_t,
+    size_t, cdf_stream_t *);
+int cdf_read_dir(int, const cdf_header_t *, const cdf_sat_t *, cdf_dir_t *);
+int cdf_read_ssat(int, const cdf_header_t *, const cdf_sat_t *, cdf_sat_t *);
+int cdf_read_short_stream(int, const cdf_header_t *, const cdf_sat_t *,
+    const cdf_dir_t *, cdf_stream_t *);
+int cdf_read_summary_info(int, const cdf_header_t *, const cdf_sat_t *,
+    const cdf_dir_t *, cdf_stream_t *);
+int cdf_print_classid(char *, size_t, const cdf_classid_t *);
+int cdf_print_property_name(char *, size_t, uint32_t);
+int cdf_print_elapsed_time(char *, size_t, cdf_timestamp_t);
+
+#ifdef CDF_DEBUG
+void cdf_dump_header(const cdf_header_t *);
+void cdf_dump_sat(const char *, const cdf_header_t *, const cdf_sat_t *);
+void cdf_dump(void *, size_t);
+void cdf_dump_stream(const cdf_header_t *, const cdf_stream_t *);
+void cdf_dump_dir(int, const cdf_header_t *, const cdf_sat_t *, const cdf_dir_t *);
+void cdf_dump_section_info(const cdf_stream_t *, uint32_t);
+void cdf_dump_summary_info(const cdf_header_t *, const cdf_stream_t *);
+#endif
+
+
+#endif /* _H_CDF_ */
diff --git a/src/cdf_time.c b/src/cdf_time.c
new file mode 100644 (file)
index 0000000..96321fc
--- /dev/null
@@ -0,0 +1,169 @@
+/*-
+ * Copyright (c) 2008 Christos Zoulas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <time.h>
+#include <err.h>
+#include <string.h>
+#include <errno.h>
+
+#include "cdf.h"
+
+#define isleap(y) ((((y) % 4) == 0) && \
+    ((((y) % 100) != 0) || (((y) % 400) == 0)))
+
+static const int mdays[] = {
+    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+};
+
+/*
+ * Return the number of days between jan 01 1601 and jan 01 of year.
+ */
+static int
+cdf_getdays(int year)
+{
+       int days = 0;
+       int y;
+
+       for (y = CDF_BASE_YEAR; y < year; y++)
+               days += isleap(y) + 365;
+               
+       return days;
+}
+
+/*
+ * Return the day within the month
+ */
+static int
+cdf_getday(int year, int days)
+{
+       size_t m;
+
+       for (m = 0; m < sizeof(mdays) / sizeof(mdays[0]); m++) {
+               int sub = mdays[m] + (m == 1 && isleap(year));
+               if (days < sub)
+                       return days;
+               days -= sub;
+       }
+       return days;
+}
+
+/* 
+ * Return the 0...11 month number.
+ */
+static int
+cdf_getmonth(int year, int days)
+{
+       size_t m;
+
+       for (m = 0; m < sizeof(mdays) / sizeof(mdays[0]); m++) {
+               days -= mdays[m];
+               if (m == 1 && isleap(year))
+                       days--;
+               if (days <= 0)
+                       return (int)m;
+       }
+       return (int)m;
+}
+
+int
+cdf_timestamp_to_timespec(struct timespec *ts, cdf_timestamp_t t)
+{
+       struct tm tm;
+       static char UTC[] = "UTC";
+
+       /* Unit is 100's of nanoseconds */
+       ts->tv_nsec = (t % CDF_TIME_PREC) * 100;
+
+       t /= CDF_TIME_PREC;
+       tm.tm_sec = t % 60;
+       t /= 60;
+
+       tm.tm_min = t % 60;
+       t /= 60;
+
+       tm.tm_hour = t % 24;
+       t /= 24;
+
+       // XXX: Approx
+       tm.tm_year = CDF_BASE_YEAR + (t / 365);
+
+       int rdays = cdf_getdays(tm.tm_year);
+       t -= rdays;
+       tm.tm_mday = cdf_getday(tm.tm_year, t);
+       tm.tm_mon = cdf_getmonth(tm.tm_year, t);
+       tm.tm_wday = 0;
+       tm.tm_yday = 0;
+       tm.tm_isdst = 0;
+       tm.tm_gmtoff = 0;
+       tm.tm_zone = UTC;
+       tm.tm_year -= 1900;
+       ts->tv_sec = mktime(&tm);
+       if (ts->tv_sec == -1) {
+               errno = EINVAL;
+               return -1;
+       }
+       return 0;
+}
+
+int
+cdf_timespec_to_timestamp(cdf_timestamp_t *t, const struct timespec *ts)
+{
+       (void)&t;
+       (void)&ts;
+#ifdef notyet
+       struct tm tm;
+       if (gmtime_r(&ts->ts_sec, &tm) == NULL) {
+               errno = EINVAL;
+               return -1;
+       }
+       *t = (ts->ts_nsec / 100) * CDF_TIME_PREC;
+       *t = tm.tm_sec;
+       *t += tm.tm_min * 60;
+       *t += tm.tm_hour * 60 * 60;
+       *t += tm.tm_mday * 60 * 60 * 24;
+#endif
+       return 0;
+}
+
+
+#ifdef TEST
+int
+main(int argc, char *argv[])
+{
+       struct timespec ts;
+       static const cdf_timestamp_t tst = 0x01A5E403C2D59C00ULL;
+       static const char *ref = "Sat Apr 23 01:30:00 1977";
+       char *p, *q;
+
+       cdf_timestamp_to_timespec(&ts, tst);
+       p = ctime(&ts.tv_sec);
+       if ((q = strchr(p, '\n')) != NULL)
+               *q = '\0';
+       if (strcmp(ref, p) != 0)
+               errx(1, "Error date %s != %s\n", ref, p);
+       return 0;
+}
+#endif
index 6cfa1757cc52589d9a7cd198a848094a5b71b5b9..0d9ee0854da5da0e36e4f7262ef99bb6a9e176b2 100644 (file)
@@ -74,7 +74,7 @@ int getopt_long(int argc, char * const *argv, const char *optstring, const struc
 #include "patchlevel.h"
 
 #ifndef        lint
-FILE_RCSID("@(#)$File: file.c,v 1.123 2008/10/09 17:19:12 christos Exp $")
+FILE_RCSID("@(#)$File: file.c,v 1.124 2008/10/09 17:24:03 christos Exp $")
 #endif /* lint */
 
 
@@ -146,6 +146,7 @@ main(int argc, char *argv[])
        } nv[] = {
                { "apptype",    MAGIC_NO_CHECK_APPTYPE },
                { "ascii",      MAGIC_NO_CHECK_ASCII },
+               { "cdf",        MAGIC_NO_CHECK_CDF },
                { "compress",   MAGIC_NO_CHECK_COMPRESS },
                { "elf",        MAGIC_NO_CHECK_ELF },
                { "soft",       MAGIC_NO_CHECK_SOFT },
index 8540daff867fac778145c8dc27f9ff9d3c03c44b..8a1bafcbb47f42cde6523ce8906bd04c36abfd34 100644 (file)
@@ -27,7 +27,7 @@
  */
 /*
  * file.h - definitions for file(1) program
- * @(#)$File: file.h,v 1.108 2008/07/16 18:00:57 christos Exp $
+ * @(#)$File: file.h,v 1.109 2008/09/02 07:11:30 christos Exp $
  */
 
 #ifndef __file_h__
@@ -348,6 +348,8 @@ protected int file_printf(struct magic_set *, const char *, ...)
 protected int file_reset(struct magic_set *);
 protected int file_tryelf(struct magic_set *, int, const unsigned char *,
     size_t);
+protected int file_trycdf(struct magic_set *, int, const unsigned char *,
+    size_t);
 protected int file_zmagic(struct magic_set *, int, const char *,
     const unsigned char *, size_t);
 protected int file_ascmagic(struct magic_set *, const unsigned char *, size_t);
index c1b45e4a21e19c53d4c42f6cc4d2fec43b6f65a4..73ed96b18be50e7c44687acd62602a6b3e6ee698 100644 (file)
@@ -41,7 +41,7 @@
 #endif
 
 #ifndef        lint
-FILE_RCSID("@(#)$File: funcs.c,v 1.43 2008/07/03 15:53:10 christos Exp $")
+FILE_RCSID("@(#)$File: funcs.c,v 1.44 2008/07/16 18:00:57 christos Exp $")
 #endif /* lint */
 
 #ifndef SIZE_MAX
@@ -194,18 +194,23 @@ file_buffer(struct magic_set *ms, int fd, const char *inname, const void *buf,
            /* Check if we have a tar file */
            if ((ms->flags & MAGIC_NO_CHECK_TAR) != 0 ||
                (m = file_is_tar(ms, ubuf, nb)) == 0) {
-               /* try tests in /etc/magic (or surrogate magic file) */
-               if ((ms->flags & MAGIC_NO_CHECK_SOFT) != 0 ||
-                   (m = file_softmagic(ms, ubuf, nb, BINTEST)) == 0) {
-                   /* try known keywords, check whether it is ASCII */
-                   if ((ms->flags & MAGIC_NO_CHECK_ASCII) != 0 ||
-                       (m = file_ascmagic(ms, ubuf, nb)) == 0) {
-                       /* abandon hope, all ye who remain here */
-                       if ((!mime || (mime & MAGIC_MIME_TYPE)) &&
-                           file_printf(ms, mime ? "application/octet-stream" :
-                               "data") == -1)
-                               return -1;
-                       m = 1;
+               /* Check if we have a CDF file */
+               if ((ms->flags & MAGIC_NO_CHECK_CDF) != 0 ||
+                   (m = file_trycdf(ms, fd, ubuf, nb)) == 0) {
+                   /* try tests in /etc/magic (or surrogate magic file) */
+                   if ((ms->flags & MAGIC_NO_CHECK_SOFT) != 0 ||
+                       (m = file_softmagic(ms, ubuf, nb, BINTEST)) == 0) {
+                       /* try known keywords, check whether it is ASCII */
+                       if ((ms->flags & MAGIC_NO_CHECK_ASCII) != 0 ||
+                           (m = file_ascmagic(ms, ubuf, nb)) == 0) {
+                           /* abandon hope, all ye who remain here */
+                           if ((!mime || (mime & MAGIC_MIME_TYPE)) &&
+                               file_printf(ms, mime ?
+                                   "application/octet-stream" :
+                                   "data") == -1)
+                                   return -1;
+                           m = 1;
+                       }
                    }
                }
            }
index ecdd53c1f96bf7d211d13c8365698c122ba10189..2c085701afa0a1620022865c0d096e74065ba7b6 100644 (file)
@@ -48,6 +48,7 @@
 #define        MAGIC_NO_CHECK_APPTYPE  0x008000 /* Don't check application type */
 #define        MAGIC_NO_CHECK_ELF      0x010000 /* Don't check for elf details */
 #define        MAGIC_NO_CHECK_ASCII    0x020000 /* Don't check for ascii files */
+#define        MAGIC_NO_CHECK_CDF      0x040000 /* Don't check for cdf files */
 #define        MAGIC_NO_CHECK_TOKENS   0x100000 /* Don't check ascii/tokens */
 
 /* Defined for backwards compatibility; do nothing */
diff --git a/src/readcdf.c b/src/readcdf.c
new file mode 100644 (file)
index 0000000..508bcf1
--- /dev/null
@@ -0,0 +1,249 @@
+/*-
+ * Copyright (c) 2008 Christos Zoulas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "file.h"
+
+#ifndef lint
+FILE_RCSID("@(#)$File: readelf.c,v 1.78 2008/08/31 07:58:00 christos Exp $")
+#endif
+
+#include <stdio.h>
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <time.h>
+#include <ctype.h>
+
+#include "cdf.h"
+#include "magic.h"
+
+#define NOTMIME(ms) (((ms)->flags & MAGIC_MIME) == 0)
+
+private int
+cdf_file_section_info(struct magic_set *ms, const cdf_stream_t *sst,
+    uint32_t offs)
+{
+       const cdf_section_header_t *sh;
+       const uint32_t *p, *q, *e;
+       const char *s;
+       size_t i, len;
+       uint32_t u32;
+       int32_t s32;
+       int16_t s16;
+       cdf_timestamp_t tp;
+       struct timespec ts;
+       char buf[64];
+       const char *str = "vnd.ms-office";
+
+       sh = (const void *)((const char *)sst->sst_tab + offs);
+       p = (const void *)((const char *)sst->sst_tab + offs + sizeof(*sh));
+       q = p + (sh->sh_properties << 1);
+       e = (const void *)(((const char *)sh) + sh->sh_len);
+       for (i = 0; i < sh->sh_properties; i++) {
+               cdf_print_property_name(buf, sizeof(buf), p[i << 1]);
+               switch (q[0]) {
+               case CDF_SIGNED16:
+                       (void)memcpy(&s16, &q[1], sizeof(s16));
+                       if (NOTMIME(ms) && file_printf(ms, ", %s: %hd", buf,
+                           s16) == -1)
+                               return -1;
+                       len = 2;
+                       break;
+               case CDF_SIGNED32:
+                       (void)memcpy(&s32, &q[1], sizeof(s32));
+                       if (NOTMIME(ms) && file_printf(ms, ", %s: %d", buf, s32)
+                           == -1)
+                               return -1;
+                       len = 4;
+                       break;
+               case CDF_UNSIGNED32:
+                       (void)memcpy(&u32, &q[1], sizeof(u32));
+                       if (NOTMIME(ms) && file_printf(ms, ", %s: %u", buf, u32)
+                           == -1)
+                               return -1;
+                       len = 4;
+                       break;
+               case CDF_LENGTH32_STRING:
+                       if (q[1] > 1) {
+                               s = (const char *)(&q[2]);
+                               if (NOTMIME(ms)) {
+                                       if (file_printf(ms, ", %s: %.*s", buf,
+                                           q[1], s) == -1)
+                                               return -1;
+                               } else if (p[i << 1] == 
+                                       CDF_PROPERTY_NAME_OF_APPLICATION) {
+                                       if (strstr(s, "Word"))
+                                               str = "msword";
+                                       else if (strstr(s, "Excel"))
+                                               str = "vnd.ms-excel";
+                                       else if (strstr(s, "Powerpoint"))
+                                               str = "vnd.ms-powerpoint";
+                               }
+                       }
+                       len = 4 + q[1];
+                       break;
+               case CDF_FILETIME:
+                       (void)memcpy(&tp, &q[1], sizeof(tp));
+                       if (tp != 0) {
+                               if (tp < 1000000000000000LL) {
+                                       char tbuf[64];
+                                       cdf_print_elapsed_time(tbuf,
+                                           sizeof(tbuf), tp);
+                                       if (NOTMIME(ms) && file_printf(ms,
+                                           ", %s: %s", buf, tbuf) == -1)
+                                               return -1;
+                               } else {
+                                       char *c, *ec;
+                                       cdf_timestamp_to_timespec(&ts, tp);
+                                       c = ctime(&ts.tv_sec);
+                                       if ((ec = strchr(c, '\n')) != NULL)
+                                               *ec = '\0';
+
+                                       if (NOTMIME(ms) && file_printf(ms,
+                                           ", %s: %s", buf, c) == -1)
+                                               return -1;
+                               }
+                       }
+                       len = 8;
+                       break;
+               case CDF_CLIPBOARD:
+                       len = 4 + q[1];
+                       break;
+               default:
+                       len = 4;
+                       file_error(ms, 0, "Internal parsing error");
+                       return -1;
+               }
+               q++;
+               q = (const void *)(((const char *)q) +
+                   CDF_ROUND(len, sizeof(*q)));
+               if (q > e) {
+                       file_error(ms, 0, "Internal parsing error");
+                       return -1;
+               }
+       }
+       if (!NOTMIME(ms)) {
+               if (file_printf(ms, "application/%s", str) == -1)
+                       return -1;
+       }
+       return 0;
+}
+
+private int
+cdf_file_summary_info(struct magic_set *ms, const cdf_stream_t *sst)
+{
+       size_t i;
+       const cdf_summary_info_header_t *si = sst->sst_tab;
+       const cdf_section_declaration_t *sd = (const void *)
+           ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET);
+
+       if (si->si_byte_order != 0xfffe)
+               return 0;
+
+       if (NOTMIME(ms) && file_printf(ms, "CDF V2 Document") == -1)
+               return -1;
+
+       if (NOTMIME(ms) && file_printf(ms, ", %s Endian",
+           si->si_byte_order == 0xfffe ?  "Little" : "Big") == -1)
+               return -1;
+
+       if (NOTMIME(ms) && file_printf(ms, ", Os Version %d.%d",
+           si->si_os_version & 0xff, si->si_os_version >> 8) == -1)
+               return -1;
+
+       if (NOTMIME(ms) && file_printf(ms, ", Os %d", si->si_os) == -1)
+               return -1;
+
+       for (i = 0; i < si->si_count; i++)
+               if (cdf_file_section_info(ms, sst, sd->sd_offset) == -1)
+                       return -1;
+       return 1;
+}
+
+protected int
+file_trycdf(struct magic_set *ms, int fd, const unsigned char *buf,
+    size_t nbytes)
+{
+       cdf_header_t h;
+       cdf_sat_t sat, ssat;
+       cdf_stream_t sst;
+       cdf_dir_t dir;
+       int i;
+       (void)&nbytes;
+       (void)&buf;
+
+       if (cdf_read_header(fd, &h) == -1)
+               return 0;
+#ifdef CDF_DEBUG
+       cdf_dump_header(&h);
+#endif
+
+       if (cdf_read_sat(fd, &h, &sat) == -1) {
+               file_error(ms, errno, "Can't read SAT");
+               return -1;
+       }
+#ifdef CDF_DEBUG
+       cdf_dump_sat("SAT", &h, &sat);
+#endif
+
+       if (cdf_read_ssat(fd, &h, &sat, &ssat) == -1) {
+               file_error(ms, errno, "Can't read SAT");
+               free(sat.sat_tab);
+               return -1;
+       }
+#ifdef CDF_DEBUG
+       cdf_dump_sat("SSAT", &h, &ssat);
+#endif
+
+       if (cdf_read_dir(fd, &h, &sat, &dir) == -1) {
+               file_error(ms, errno, "Can't read directory");
+               free(sat.sat_tab);
+               free(ssat.sat_tab);
+               return -1;
+       }
+#ifdef CDF_DEBUG
+       cdf_dump_dir(fd, &h, &sat, &dir);
+#endif
+
+       if (cdf_read_summary_info(fd, &h, &sat, &dir, &sst) == -1) {
+               file_error(ms, errno, "Can't read summary_info");
+               free(sat.sat_tab);
+               free(ssat.sat_tab);
+               free(dir.dir_tab);
+               return -1;
+       }
+#ifdef CDF_DEBUG
+       cdf_dump_summary_info(&h, &sst);
+#endif
+       i = cdf_file_summary_info(ms, &sst);
+       free(sat.sat_tab);
+       free(ssat.sat_tab);
+       free(dir.dir_tab);
+       free(sst.sst_tab);
+       return i;
+}