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authorNeale Ranns <nranns@cisco.com>2019-03-19 10:06:00 +0000
committerDave Barach <openvpp@barachs.net>2019-03-19 11:26:14 +0000
commit9f231d4f147c7e3fdf562680488ec5dfe7655b5e (patch)
treee190aff4497734c6ab13c512422c652e630f64bc /src/vnet/ipsec
parentee94ffa35d69a56df894a31147a106f2a7d4c3de (diff)
IPSEC: tidy the policy types
Change-Id: I5e981f12ff44243623cfd18d5e0ae06a7dfd1eb8 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec')
-rw-r--r--src/vnet/ipsec/ipsec_api.c11
-rw-r--r--src/vnet/ipsec/ipsec_cli.c19
-rw-r--r--src/vnet/ipsec/ipsec_format.c24
-rw-r--r--src/vnet/ipsec/ipsec_spd.h4
-rw-r--r--src/vnet/ipsec/ipsec_spd_policy.c111
-rw-r--r--src/vnet/ipsec/ipsec_spd_policy.h11
6 files changed, 102 insertions, 78 deletions
diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c
index 906f4c4c16d..d0f543fe520 100644
--- a/src/vnet/ipsec/ipsec_api.c
+++ b/src/vnet/ipsec/ipsec_api.c
@@ -141,7 +141,6 @@ static void vl_api_ipsec_spd_entry_add_del_t_handler
p.id = ntohl (mp->entry.spd_id);
p.priority = ntohl (mp->entry.priority);
- p.is_outbound = mp->entry.is_outbound;
itype = ip_address_decode (&mp->entry.remote_address_start, &p.raddr.start);
ip_address_decode (&mp->entry.remote_address_stop, &p.raddr.stop);
@@ -169,6 +168,11 @@ static void vl_api_ipsec_spd_entry_add_del_t_handler
goto out;
}
p.sa_id = ntohl (mp->entry.sa_id);
+ rv =
+ ipsec_policy_mk_type (mp->entry.is_outbound, p.is_ipv6, p.policy,
+ &p.type);
+ if (rv)
+ goto out;
rv = ipsec_add_del_policy (vm, &p, mp->is_add, &stat_index);
if (rv)
@@ -466,7 +470,8 @@ send_ipsec_spd_details (ipsec_policy_t * p, vl_api_registration_t * reg,
mp->entry.spd_id = htonl (p->id);
mp->entry.priority = htonl (p->priority);
- mp->entry.is_outbound = p->is_outbound;
+ mp->entry.is_outbound = ((p->type == IPSEC_SPD_POLICY_IP6_OUTBOUND) ||
+ (p->type == IPSEC_SPD_POLICY_IP4_OUTBOUND));
ip_address_encode (&p->laddr.start, IP46_TYPE_ANY,
&mp->entry.local_address_start);
@@ -492,7 +497,7 @@ vl_api_ipsec_spd_dump_t_handler (vl_api_ipsec_spd_dump_t * mp)
{
vl_api_registration_t *reg;
ipsec_main_t *im = &ipsec_main;
- ipsec_spd_policy_t ptype;
+ ipsec_spd_policy_type_t ptype;
ipsec_policy_t *policy;
ipsec_spd_t *spd;
uword *p;
diff --git a/src/vnet/ipsec/ipsec_cli.c b/src/vnet/ipsec/ipsec_cli.c
index 648455bbecf..8a4d068f9f7 100644
--- a/src/vnet/ipsec/ipsec_cli.c
+++ b/src/vnet/ipsec/ipsec_cli.c
@@ -226,12 +226,14 @@ ipsec_policy_add_del_command_fn (vlib_main_t * vm,
int rv, is_add = 0;
u32 tmp, tmp2, stat_index;
clib_error_t *error = NULL;
+ u32 is_outbound;
clib_memset (&p, 0, sizeof (p));
p.lport.stop = p.rport.stop = ~0;
p.laddr.stop.ip4.as_u32 = p.raddr.stop.ip4.as_u32 = (u32) ~ 0;
p.laddr.stop.ip6.as_u64[0] = p.laddr.stop.ip6.as_u64[1] = (u64) ~ 0;
p.raddr.stop.ip6.as_u64[0] = p.raddr.stop.ip6.as_u64[1] = (u64) ~ 0;
+ is_outbound = 0;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
@@ -245,9 +247,9 @@ ipsec_policy_add_del_command_fn (vlib_main_t * vm,
else if (unformat (line_input, "spd %u", &p.id))
;
else if (unformat (line_input, "inbound"))
- p.is_outbound = 0;
+ is_outbound = 0;
else if (unformat (line_input, "outbound"))
- p.is_outbound = 1;
+ is_outbound = 1;
else if (unformat (line_input, "priority %d", &p.priority))
;
else if (unformat (line_input, "protocol %u", &tmp))
@@ -325,6 +327,19 @@ ipsec_policy_add_del_command_fn (vlib_main_t * vm,
goto done;
}
}
+
+ rv = ipsec_policy_mk_type (is_outbound, p.is_ipv6, p.policy, &p.type);
+
+ if (rv)
+ {
+ error = clib_error_return (0, "unsupported policy type for:",
+ " outboud:%s %s action:%U",
+ (is_outbound ? "yes" : "no"),
+ (p.is_ipv6 ? "IPv4" : "IPv6"),
+ format_ipsec_policy_action, p.policy);
+ goto done;
+ }
+
rv = ipsec_add_del_policy (vm, &p, is_add, &stat_index);
if (!rv)
diff --git a/src/vnet/ipsec/ipsec_format.c b/src/vnet/ipsec/ipsec_format.c
index d65b2a7ee4f..aa5562caf63 100644
--- a/src/vnet/ipsec/ipsec_format.c
+++ b/src/vnet/ipsec/ipsec_format.c
@@ -41,6 +41,24 @@ format_ipsec_policy_action (u8 * s, va_list * args)
return s;
}
+u8 *
+format_ipsec_policy_type (u8 * s, va_list * args)
+{
+ u32 i = va_arg (*args, u32);
+ char *t = 0;
+
+ switch (i)
+ {
+#define _(f,str) case IPSEC_SPD_POLICY_##f: t = str; break;
+ foreach_ipsec_spd_policy_type
+#undef _
+ default:
+ s = format (s, "unknown");
+ }
+ s = format (s, "%s", t);
+ return s;
+}
+
uword
unformat_ipsec_policy_action (unformat_input_t * input, va_list * args)
{
@@ -143,8 +161,10 @@ format_ipsec_policy (u8 * s, va_list * args)
p = pool_elt_at_index (im->policies, pi);
- s = format (s, " [%d] priority %d action %U protocol ",
- pi, p->priority, format_ipsec_policy_action, p->policy);
+ s = format (s, " [%d] priority %d action %U type %U protocol ",
+ pi, p->priority,
+ format_ipsec_policy_action, p->policy,
+ format_ipsec_policy_type, p->type);
if (p->protocol)
{
s = format (s, "%U", format_ip_protocol, p->protocol);
diff --git a/src/vnet/ipsec/ipsec_spd.h b/src/vnet/ipsec/ipsec_spd.h
index dd09041b046..1e6c2c3bc90 100644
--- a/src/vnet/ipsec/ipsec_spd.h
+++ b/src/vnet/ipsec/ipsec_spd.h
@@ -31,11 +31,13 @@ typedef enum ipsec_spd_policy_t_
foreach_ipsec_spd_policy_type
#undef _
IPSEC_SPD_POLICY_N_TYPES,
-} ipsec_spd_policy_t;
+} ipsec_spd_policy_type_t;
#define FOR_EACH_IPSEC_SPD_POLICY_TYPE(_t) \
for (_t = 0; _t < IPSEC_SPD_POLICY_N_TYPES; _t++)
+extern u8 *format_ipsec_policy_type (u8 * s, va_list * args);
+
/**
* @brief A Secruity Policy Database
*/
diff --git a/src/vnet/ipsec/ipsec_spd_policy.c b/src/vnet/ipsec/ipsec_spd_policy.c
index 5ad147b934f..d4a32e38568 100644
--- a/src/vnet/ipsec/ipsec_spd_policy.c
+++ b/src/vnet/ipsec/ipsec_spd_policy.c
@@ -29,7 +29,7 @@ ipsec_policy_is_equal (ipsec_policy_t * p1, ipsec_policy_t * p2)
{
if (p1->priority != p2->priority)
return 0;
- if (p1->is_outbound != p2->is_outbound)
+ if (p1->type != p2->type)
return (0);
if (p1->policy != p2->policy)
return (0);
@@ -97,6 +97,42 @@ ipsec_spd_entry_sort (void *a1, void *a2)
}
int
+ipsec_policy_mk_type (bool is_outbound,
+ bool is_ipv6,
+ ipsec_policy_action_t action,
+ ipsec_spd_policy_type_t * type)
+{
+ if (is_outbound)
+ {
+ *type = (is_ipv6 ?
+ IPSEC_SPD_POLICY_IP6_OUTBOUND : IPSEC_SPD_POLICY_IP4_OUTBOUND);
+ return (0);
+ }
+ else
+ {
+ switch (action)
+ {
+ case IPSEC_POLICY_ACTION_PROTECT:
+ *type = (is_ipv6 ?
+ IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT :
+ IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT);
+ return (0);
+ case IPSEC_POLICY_ACTION_BYPASS:
+ *type = (is_ipv6 ?
+ IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS :
+ IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS);
+ return (0);
+ case IPSEC_POLICY_ACTION_DISCARD:
+ case IPSEC_POLICY_ACTION_RESOLVE:
+ break;
+ }
+ }
+
+ /* Unsupported type */
+ return (-1);
+}
+
+int
ipsec_add_del_policy (vlib_main_t * vm,
ipsec_policy_t * policy, int is_add, u32 * stat_index)
{
@@ -106,8 +142,8 @@ ipsec_add_del_policy (vlib_main_t * vm,
u32 spd_index;
uword *p;
- clib_warning ("policy-id %u priority %d is_outbound %u", policy->id,
- policy->priority, policy->is_outbound);
+ clib_warning ("policy-id %u priority %d type %U", policy->id,
+ policy->priority, format_ipsec_policy_type, policy->type);
if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
{
@@ -139,75 +175,14 @@ ipsec_add_del_policy (vlib_main_t * vm,
policy_index);
vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
- if (policy->is_outbound)
- {
- if (policy->is_ipv6)
- {
- vec_add1 (spd->policies[IPSEC_SPD_POLICY_IP6_OUTBOUND],
- policy_index);
- vec_sort_with_function (spd->policies
- [IPSEC_SPD_POLICY_IP6_OUTBOUND],
- ipsec_spd_entry_sort);
- }
- else
- {
- vec_add1 (spd->policies[IPSEC_SPD_POLICY_IP4_OUTBOUND],
- policy_index);
- vec_sort_with_function (spd->policies
- [IPSEC_SPD_POLICY_IP4_OUTBOUND],
- ipsec_spd_entry_sort);
- }
- }
- else
- {
- if (policy->is_ipv6)
- {
- if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
- {
- vec_add1 (spd->policies
- [IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT],
- policy_index);
- vec_sort_with_function (spd->policies
- [IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT],
- ipsec_spd_entry_sort);
- }
- else
- {
- vec_add1
- (spd->policies[IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS],
- policy_index);
- vec_sort_with_function
- (spd->policies[IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS],
- ipsec_spd_entry_sort);
- }
- }
- else
- {
- if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
- {
- vec_add1 (spd->policies
- [IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT],
- policy_index);
- vec_sort_with_function (spd->policies
- [IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT],
- ipsec_spd_entry_sort);
- }
- else
- {
- vec_add1
- (spd->policies[IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS],
- policy_index);
- vec_sort_with_function
- (spd->policies[IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS],
- ipsec_spd_entry_sort);
- }
- }
- }
+ vec_add1 (spd->policies[policy->type], policy_index);
+ vec_sort_with_function (spd->policies[policy->type],
+ ipsec_spd_entry_sort);
*stat_index = policy_index;
}
else
{
- ipsec_spd_policy_t ptype;
+ ipsec_spd_policy_type_t ptype;
u32 ii;
FOR_EACH_IPSEC_SPD_POLICY_TYPE (ptype)
diff --git a/src/vnet/ipsec/ipsec_spd_policy.h b/src/vnet/ipsec/ipsec_spd_policy.h
index 40fad342978..6d6b69592b0 100644
--- a/src/vnet/ipsec/ipsec_spd_policy.h
+++ b/src/vnet/ipsec/ipsec_spd_policy.h
@@ -15,7 +15,7 @@
#ifndef __IPSEC_SPD_POLICY_H__
#define __IPSEC_SPD_POLICY_H__
-#include <vlib/vlib.h>
+#include <vnet/ipsec/ipsec_spd.h>
#define foreach_ipsec_policy_action \
_ (0, BYPASS, "bypass") \
@@ -55,7 +55,9 @@ typedef struct ipsec_policy_t_
{
u32 id;
i32 priority;
- u8 is_outbound;
+
+ // the type of policy
+ ipsec_spd_policy_type_t type;
// Selector
u8 is_ipv6;
@@ -84,6 +86,11 @@ extern uword unformat_ipsec_policy_action (unformat_input_t * input,
va_list * args);
+extern int ipsec_policy_mk_type (bool is_outbound,
+ bool is_ipv6,
+ ipsec_policy_action_t action,
+ ipsec_spd_policy_type_t * type);
+
#endif /* __IPSEC_SPD_POLICY_H__ */
/*