/*
* Return the next ACL entry in the list. Fake entries for the
* standard permissions and include them in the returned list.
*/
int
archive_entry_acl_next(struct archive_entry *entry, int want_type, int *type,
int *permset, int *tag, int *id, const char **name)
{
int r;
r = archive_acl_next(entry->archive, &entry->acl, want_type, type,
permset, tag, id, name);
if (r == ARCHIVE_FATAL && errno == ENOMEM)
__archive_errx(1, "No memory");
return (r);
}
/*
* Return the next ACL entry in the list. Fake entries for the
* standard permissions and include them in the returned list.
*/
int
archive_entry_acl_next(struct archive_entry *entry, int want_type, int *type,
int *permset, int *tag, int *id, const char **name)
{
return archive_acl_next(entry->archive, &entry->acl, want_type, type, permset, tag, id, name);
}
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
acl_type_t acl_type, int ae_requested_type, const char *tname)
{
acl_t acl;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
#ifdef ACL_TYPE_NFS4
acl_flagset_t acl_flagset;
int r;
#endif
int ret;
int ae_type, ae_permset, ae_tag, ae_id;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
acl = acl_init(entries);
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
acl_create_entry(&acl, &acl_entry);
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
acl_set_tag_type(acl_entry, ACL_USER);
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
acl_set_qualifier(acl_entry, &ae_uid);
break;
case ARCHIVE_ENTRY_ACL_GROUP:
acl_set_tag_type(acl_entry, ACL_GROUP);
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
acl_set_qualifier(acl_entry, &ae_gid);
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
acl_set_tag_type(acl_entry, ACL_USER_OBJ);
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
break;
case ARCHIVE_ENTRY_ACL_MASK:
acl_set_tag_type(acl_entry, ACL_MASK);
break;
case ARCHIVE_ENTRY_ACL_OTHER:
acl_set_tag_type(acl_entry, ACL_OTHER);
break;
#ifdef ACL_TYPE_NFS4
case ARCHIVE_ENTRY_ACL_EVERYONE:
acl_set_tag_type(acl_entry, ACL_EVERYONE);
break;
#endif
default:
/* XXX */
break;
}
#ifdef ACL_TYPE_NFS4
switch (ae_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALLOW);
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_DENY);
break;
case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_AUDIT);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALARM);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
// These don't translate directly into the system ACL.
break;
default:
// XXX error handling here.
break;
}
#endif
acl_get_permset(acl_entry, &acl_permset);
acl_clear_perms(acl_permset);
for (i = 0; i < (int)(sizeof(acl_perm_map) / sizeof(acl_perm_map[0])); ++i) {
if (ae_permset & acl_perm_map[i].archive_perm)
acl_add_perm(acl_permset,
acl_perm_map[i].platform_perm);
}
#ifdef ACL_TYPE_NFS4
// XXX acl_get_flagset_np on FreeBSD returns EINVAL for
// non-NFSv4 ACLs
r = acl_get_flagset_np(acl_entry, &acl_flagset);
if (r == 0) {
acl_clear_flags_np(acl_flagset);
for (i = 0; i < (int)(sizeof(acl_inherit_map) / sizeof(acl_inherit_map[0])); ++i) {
if (ae_permset & acl_inherit_map[i].archive_inherit)
acl_add_flag_np(acl_flagset,
acl_inherit_map[i].platform_inherit);
}
}
#endif
}
/* Try restoring the ACL through 'fd' if we can. */
#if HAVE_ACL_SET_FD
if (fd >= 0 && acl_type == ACL_TYPE_ACCESS && acl_set_fd(fd, acl) == 0)
ret = ARCHIVE_OK;
else
#else
#if HAVE_ACL_SET_FD_NP
if (fd >= 0 && acl_set_fd_np(fd, acl, acl_type) == 0)
ret = ARCHIVE_OK;
else
#endif
#endif
#if HAVE_ACL_SET_LINK_NP
if (acl_set_link_np(name, acl_type, acl) != 0) {
archive_set_error(a, errno, "Failed to set %s acl", tname);
ret = ARCHIVE_WARN;
}
#else
/* TODO: Skip this if 'name' is a symlink. */
if (acl_set_file(name, acl_type, acl) != 0) {
archive_set_error(a, errno, "Failed to set %s acl", tname);
ret = ARCHIVE_WARN;
}
#endif
acl_free(acl);
return (ret);
}
