X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fdentry.c;h=ea21e07b57e90540adfccd65fb0485adeab3e39e;hp=76ec2decbe82fffa81c14f38bff25697baa047c1;hb=2a7e6a7d014689899c90a926a095a53753488967;hpb=004c7fd634328ab9b3c4b479097a10ca12ae38d7 diff --git a/src/dentry.c b/src/dentry.c index 76ec2dec..ea21e07b 100644 --- a/src/dentry.c +++ b/src/dentry.c @@ -80,8 +80,8 @@ void stbuf_to_dentry(const struct stat *stbuf, struct dentry *dentry) } /* Transfers file attributes from a struct dentry to a `stat' buffer. */ -void dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, - const struct lookup_table *table) +int dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, + const struct lookup_table *table) { struct lookup_table_entry *lte; @@ -92,11 +92,18 @@ void dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, else stbuf->st_mode = S_IFREG | 0644; + stbuf->st_ino = (ino_t)dentry->hard_link; + + stbuf->st_nlink = dentry_link_group_size(dentry); + stbuf->st_uid = getuid(); + stbuf->st_gid = getgid(); + /* Use the size of the unnamed (default) file stream. */ if (table && (lte = __lookup_resource(table, dentry_hash(dentry)))) { if (lte->staging_file_name) { struct stat native_stat; - stat(lte->staging_file_name, &native_stat); + if (stat(lte->staging_file_name, &native_stat) != 0) + return -errno; stbuf->st_size = native_stat.st_size; } else { stbuf->st_size = lte->resource_entry.original_size; @@ -105,14 +112,11 @@ void dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, stbuf->st_size = 0; } - stbuf->st_nlink = dentry_link_group_size(dentry); - stbuf->st_ino = dentry->hard_link; - stbuf->st_uid = getuid(); - stbuf->st_gid = getgid(); stbuf->st_atime = ms_timestamp_to_unix(dentry->last_access_time); stbuf->st_mtime = ms_timestamp_to_unix(dentry->last_write_time); stbuf->st_ctime = ms_timestamp_to_unix(dentry->creation_time); stbuf->st_blocks = (stbuf->st_size + 511) / 512; + return 0; } /* Makes all timestamp fields for the dentry be the current time. */ @@ -553,7 +557,11 @@ void put_dentry(struct dentry *dentry) } } } + struct list_head *next; + next = dentry->link_group_list.next; list_del(&dentry->link_group_list); + /*if (next->next == next)*/ + /*container_of(next, struct dentry, link_group_list)->hard_link = 0;*/ free_dentry(dentry); } @@ -583,6 +591,11 @@ int share_dentry_ads(struct dentry *master, struct dentry *slave) mismatch_type = "attributes"; goto mismatch; } + if (master->attributes & FILE_ATTRIBUTE_DIRECTORY) { + ERROR("`%s' is hard-linked to `%s', which is a directory ", + slave->full_path_utf8, master->full_path_utf8); + return WIMLIB_ERR_INVALID_DENTRY; + } if (master->security_id != slave->security_id) { mismatch_type = "security ID"; goto mismatch; @@ -745,9 +758,9 @@ int get_names(char **name_utf16_ret, char **name_utf8_ret, utf8_len = strlen(name); - name_utf8 = utf8_to_utf16(name, utf8_len, &utf16_len); + name_utf16 = utf8_to_utf16(name, utf8_len, &utf16_len); - if (!name_utf8) + if (!name_utf16) return WIMLIB_ERR_NOMEM; name_utf8 = MALLOC(utf8_len + 1); @@ -1163,8 +1176,13 @@ static u8 *write_dentry(const struct dentry *dentry, u8 *p) p = put_u32(p, dentry->reparse_tag); p = put_zeroes(p, 4); } else { + u64 hard_link; p = put_u32(p, dentry->reparse_tag); - p = put_u64(p, dentry->hard_link); + if (dentry->link_group_list.next == &dentry->link_group_list) + hard_link = 0; + else + hard_link = dentry->hard_link; + p = put_u64(p, hard_link); } p = put_u16(p, dentry->num_ads); p = put_u16(p, dentry->short_name_len);