diff --git a/grub-core/fs/affs.c b/grub-core/fs/affs.c index 40be4b2f6..343af6681 100644 --- a/grub-core/fs/affs.c +++ b/grub-core/fs/affs.c @@ -50,12 +50,20 @@ struct grub_affs_rblock grub_uint32_t hashtable[1]; } __attribute__ ((packed)); +struct grub_affs_time +{ + grub_int32_t day; + grub_uint32_t min; + grub_uint32_t fractions_of_sec; +} __attribute__ ((packed)); + /* The second part of a file header block. */ struct grub_affs_file { grub_uint8_t unused1[12]; grub_uint32_t size; - grub_uint8_t unused2[104]; + grub_uint8_t unused2[92]; + struct grub_affs_time mtime; grub_uint8_t namelen; grub_uint8_t name[30]; grub_uint8_t unused3[33]; @@ -85,9 +93,9 @@ struct grub_affs_file struct grub_fshelp_node { struct grub_affs_data *data; - int block; - int size; - int parent; + grub_disk_addr_t block; + struct grub_fshelp_node *parent; + struct grub_affs_file di; }; /* Information about a "mounted" affs filesystem. */ @@ -154,7 +162,7 @@ grub_affs_read_file (grub_fshelp_node_t node, { return grub_fshelp_read_file (node->data->disk, node, read_hook, pos, len, buf, grub_affs_read_block, - node->size, 0); + grub_be_to_cpu32 (node->di.size), 0); } @@ -241,6 +249,8 @@ grub_affs_mount (grub_disk_t disk) data->htsize = grub_be_to_cpu32 (rblock->htsize); data->diropen.data = data; data->diropen.block = grub_be_to_cpu32 (data->bblock.rootblock); + data->diropen.parent = NULL; + grub_memcpy (&data->diropen.di, rootblock, sizeof (data->diropen.di)); grub_free (rootblock); @@ -291,12 +301,15 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir, struct grub_affs_data *data = dir->data; grub_uint32_t *hashtable; - auto int NESTED_FUNC_ATTR grub_affs_create_node (const char *name, int block, - int size, int type); + auto int NESTED_FUNC_ATTR grub_affs_create_node (const char *name, + grub_disk_addr_t block, + const struct grub_affs_file *fil); - int NESTED_FUNC_ATTR grub_affs_create_node (const char *name, int block, - int size, int type) + int NESTED_FUNC_ATTR grub_affs_create_node (const char *name, + grub_disk_addr_t block, + const struct grub_affs_file *fil) { + int type; node = grub_malloc (sizeof (*node)); if (!node) { @@ -304,10 +317,19 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir, return 1; } + if ((int) grub_be_to_cpu32 (fil->type) == GRUB_AFFS_FILETYPE_DIR) + type = GRUB_FSHELP_REG; + else if (grub_be_to_cpu32 (fil->type) == GRUB_AFFS_FILETYPE_REG) + type = GRUB_FSHELP_DIR; + else if (grub_be_to_cpu32 (fil->type) == GRUB_AFFS_FILETYPE_SYMLINK) + type = GRUB_FSHELP_SYMLINK; + else + type = GRUB_FSHELP_UNKNOWN; + node->data = data; - node->size = size; node->block = block; - node->parent = grub_be_to_cpu32 (file.parent); + node->di = *fil; + node->parent = dir; if (hook (name, type, node)) { @@ -317,6 +339,24 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir, return 0; } + /* Create the directory entries for `.' and `..'. */ + node = grub_malloc (sizeof (*node)); + if (!node) + return 1; + + *node = *dir; + if (hook (".", GRUB_FSHELP_DIR, node)) + return 1; + if (dir->parent) + { + node = grub_malloc (sizeof (*node)); + if (!node) + return 1; + *node = *dir->parent; + if (hook ("..", GRUB_FSHELP_DIR, node)) + return 1; + } + hashtable = grub_malloc (data->htsize * sizeof (*hashtable)); if (!hashtable) return 1; @@ -326,16 +366,8 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir, if (grub_errno) goto fail; - /* Create the directory entries for `.' and `..'. */ - if (grub_affs_create_node (".", dir->block, dir->size, GRUB_FSHELP_DIR)) - return 1; - if (grub_affs_create_node ("..", dir->parent ? dir->parent : dir->block, - dir->size, GRUB_FSHELP_DIR)) - return 1; - for (i = 0; i < data->htsize; i++) { - enum grub_fshelp_filetype type; grub_uint64_t next; if (!hashtable[i]) @@ -356,17 +388,7 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir, file.name[file.namelen] = '\0'; - if ((int) grub_be_to_cpu32 (file.type) == GRUB_AFFS_FILETYPE_DIR) - type = GRUB_FSHELP_REG; - else if (grub_be_to_cpu32 (file.type) == GRUB_AFFS_FILETYPE_REG) - type = GRUB_FSHELP_DIR; - else if (grub_be_to_cpu32 (file.type) == GRUB_AFFS_FILETYPE_SYMLINK) - type = GRUB_FSHELP_SYMLINK; - else - type = GRUB_FSHELP_UNKNOWN; - - if (grub_affs_create_node ((char *) (file.name), next, - grub_be_to_cpu32 (file.size), type)) + if (grub_affs_create_node ((char *) (file.name), next, &file)) return 1; next = grub_be_to_cpu32 (file.next); @@ -401,7 +423,7 @@ grub_affs_open (struct grub_file *file, const char *name) if (grub_errno) goto fail; - file->size = fdiro->size; + file->size = grub_be_to_cpu32 (fdiro->di.size); data->diropen = *fdiro; grub_free (fdiro);