netlabel: Add support for creating a CALIPSO protocol domain mapping.
This extends the NLBL_MGMT_C_ADD and NLBL_MGMT_C_ADDDEF commands
to accept CALIPSO protocol DOIs.
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 975b1e9..f85d0e0 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -41,8 +41,10 @@
#include <net/ipv6.h>
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
+#include <net/calipso.h>
#include <linux/atomic.h>
+#include "netlabel_calipso.h"
#include "netlabel_domainhash.h"
#include "netlabel_user.h"
#include "netlabel_mgmt.h"
@@ -73,6 +75,7 @@
[NLBL_MGMT_A_VERSION] = { .type = NLA_U32 },
[NLBL_MGMT_A_CV4DOI] = { .type = NLA_U32 },
[NLBL_MGMT_A_FAMILY] = { .type = NLA_U16 },
+ [NLBL_MGMT_A_CLPDOI] = { .type = NLA_U32 },
};
/*
@@ -96,6 +99,9 @@
int ret_val = -EINVAL;
struct netlbl_domaddr_map *addrmap = NULL;
struct cipso_v4_doi *cipsov4 = NULL;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct calipso_doi *calipso = NULL;
+#endif
u32 tmp_val;
struct netlbl_dom_map *entry = kzalloc(sizeof(*entry), GFP_KERNEL);
@@ -137,6 +143,19 @@
entry->family = AF_INET;
entry->def.cipso = cipsov4;
break;
+#if IS_ENABLED(CONFIG_IPV6)
+ case NETLBL_NLTYPE_CALIPSO:
+ if (!info->attrs[NLBL_MGMT_A_CLPDOI])
+ goto add_free_domain;
+
+ tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CLPDOI]);
+ calipso = calipso_doi_getdef(tmp_val);
+ if (calipso == NULL)
+ goto add_free_domain;
+ entry->family = AF_INET6;
+ entry->def.calipso = calipso;
+ break;
+#endif /* IPv6 */
default:
goto add_free_domain;
}
@@ -232,6 +251,8 @@
map->list.mask = *mask;
map->list.valid = 1;
map->def.type = entry->def.type;
+ if (calipso)
+ map->def.calipso = calipso;
ret_val = netlbl_af6list_add(&map->list, &addrmap->list6);
if (ret_val != 0) {
@@ -255,6 +276,9 @@
kfree(addrmap);
add_doi_put_def:
cipso_v4_doi_putdef(cipsov4);
+#if IS_ENABLED(CONFIG_IPV6)
+ calipso_doi_putdef(calipso);
+#endif
add_free_domain:
kfree(entry->domain);
add_free_entry:
@@ -357,6 +381,15 @@
if (ret_val != 0)
return ret_val;
+ switch (map6->def.type) {
+ case NETLBL_NLTYPE_CALIPSO:
+ ret_val = nla_put_u32(skb, NLBL_MGMT_A_CLPDOI,
+ map6->def.calipso->doi);
+ if (ret_val != 0)
+ return ret_val;
+ break;
+ }
+
nla_nest_end(skb, nla_b);
}
#endif /* IPv6 */
@@ -364,15 +397,25 @@
nla_nest_end(skb, nla_a);
break;
case NETLBL_NLTYPE_UNLABELED:
- ret_val = nla_put_u32(skb,NLBL_MGMT_A_PROTOCOL,entry->def.type);
+ ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
+ entry->def.type);
break;
case NETLBL_NLTYPE_CIPSOV4:
- ret_val = nla_put_u32(skb,NLBL_MGMT_A_PROTOCOL,entry->def.type);
+ ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
+ entry->def.type);
if (ret_val != 0)
return ret_val;
ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI,
entry->def.cipso->doi);
break;
+ case NETLBL_NLTYPE_CALIPSO:
+ ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
+ entry->def.type);
+ if (ret_val != 0)
+ return ret_val;
+ ret_val = nla_put_u32(skb, NLBL_MGMT_A_CLPDOI,
+ entry->def.calipso->doi);
+ break;
}
return ret_val;