libburnia/libisofs
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Fixed access to packed members of struct hfsplus_volheader. Thanks Felipe Franciosi.

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This commit is contained in:
Thomas Schmitt 2020-11-13 19:24:13 +01:00
parent 7e3b01b53c
commit daaee5e7e6
1 changed files with 12 additions and 10 deletions
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22
libisofs/hfsplus.c
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@ -543,11 +543,14 @@ int hfsplus_writer_compute_data_blocks(IsoImageWriter *writer)
}
static void set_time (uint32_t *tm, uint32_t t)
static inline uint32_t mac_time_offset(uint32_t t)
{
iso_msb ((uint8_t *) tm, t + 2082844800, 4);
uint32_t val;
iso_msb ((uint8_t *) &val, t + 2082844800, sizeof(val));
return val;
}
int nop_writer_write_vol_desc(IsoImageWriter *writer)
{
return ISO_SUCCESS;
@ -615,9 +618,9 @@ write_sb (Ecma119Image *t)
/* Cleanly unmounted, software locked. */
iso_msb ((uint8_t *) &sb.attributes, (1 << 8) | (1 << 15), 4);
iso_msb ((uint8_t *) &sb.last_mounted_version, 0x6c69736f, 4);
set_time (&sb.ctime, t->now);
set_time (&sb.utime, t->now);
set_time (&sb.fsck_time, t->now);
sb.ctime = mac_time_offset(t->now);
sb.utime = mac_time_offset(t->now);
sb.fsck_time = mac_time_offset(t->now);
iso_msb ((uint8_t *) &sb.file_count, t->hfsp_nfiles, 4);
iso_msb ((uint8_t *) &sb.folder_count, t->hfsp_ndirs - 1, 4);
iso_msb ((uint8_t *) &sb.blksize, block_size, 4);
@ -850,12 +853,11 @@ int hfsplus_writer_write_data(IsoImageWriter *writer)
((uint8_t *) &common->type)[1] = t->hfsp_leafs[curnode].type;
iso_msb ((uint8_t *) &common->valence, t->hfsp_leafs[curnode].nchildren, 4);
iso_msb ((uint8_t *) &common->fileid, t->hfsp_leafs[curnode].cat_id, 4);
set_time (&common->ctime, t->hfsp_leafs[curnode].node->ctime);
set_time (&common->mtime, t->hfsp_leafs[curnode].node->mtime);
common->ctime = mac_time_offset(t->hfsp_leafs[curnode].node->ctime);
common->mtime = mac_time_offset(t->hfsp_leafs[curnode].node->mtime);
/* FIXME: distinguish attr_mtime and mtime. */
set_time (&common->attr_mtime, t->hfsp_leafs[curnode].node->mtime);
set_time (&common->atime, t->hfsp_leafs[curnode].node->atime);
common->attr_mtime = mac_time_offset(t->hfsp_leafs[curnode].node->mtime);
common->atime = mac_time_offset(t->hfsp_leafs[curnode].node->atime);
iso_msb ((uint8_t *) &common->uid, px_get_uid (t, t->hfsp_leafs[curnode].node), 4);
iso_msb ((uint8_t *) &common->gid, px_get_gid (t, t->hfsp_leafs[curnode].node), 4);
iso_msb ((uint8_t *) &common->mode, px_get_mode (t, t->hfsp_leafs[curnode].node, (t->hfsp_leafs[curnode].type == HFSPLUS_DIR)), 2);