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Diffstat (limited to 'net/key')
-rw-r--r--net/key/af_key.c385
1 files changed, 279 insertions, 106 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index ce980aa94ed..4879743b945 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -656,13 +656,18 @@ static struct sk_buff * pfkey_xfrm_state2msg(struct xfrm_state *x, int add_keys,
sa->sadb_sa_exttype = SADB_EXT_SA;
sa->sadb_sa_spi = x->id.spi;
sa->sadb_sa_replay = x->props.replay_window;
- sa->sadb_sa_state = SADB_SASTATE_DYING;
- if (x->km.state == XFRM_STATE_VALID && !x->km.dying)
- sa->sadb_sa_state = SADB_SASTATE_MATURE;
- else if (x->km.state == XFRM_STATE_ACQ)
+ switch (x->km.state) {
+ case XFRM_STATE_VALID:
+ sa->sadb_sa_state = x->km.dying ?
+ SADB_SASTATE_DYING : SADB_SASTATE_MATURE;
+ break;
+ case XFRM_STATE_ACQ:
sa->sadb_sa_state = SADB_SASTATE_LARVAL;
- else if (x->km.state == XFRM_STATE_EXPIRED)
+ break;
+ default:
sa->sadb_sa_state = SADB_SASTATE_DEAD;
+ break;
+ }
sa->sadb_sa_auth = 0;
if (x->aalg) {
struct xfrm_algo_desc *a = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
@@ -685,6 +690,8 @@ static struct sk_buff * pfkey_xfrm_state2msg(struct xfrm_state *x, int add_keys,
sa->sadb_sa_flags |= SADB_SAFLAGS_NOECN;
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
sa->sadb_sa_flags |= SADB_SAFLAGS_DECAP_DSCP;
+ if (x->props.flags & XFRM_STATE_NOPMTUDISC)
+ sa->sadb_sa_flags |= SADB_SAFLAGS_NOPMTUDISC;
/* hard time */
if (hsc & 2) {
@@ -969,6 +976,8 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
x->props.flags |= XFRM_STATE_NOECN;
if (sa->sadb_sa_flags & SADB_SAFLAGS_DECAP_DSCP)
x->props.flags |= XFRM_STATE_DECAP_DSCP;
+ if (sa->sadb_sa_flags & SADB_SAFLAGS_NOPMTUDISC)
+ x->props.flags |= XFRM_STATE_NOPMTUDISC;
lifetime = (struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_HARD-1];
if (lifetime != NULL) {
@@ -1091,17 +1100,11 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
}
}
- x->type = xfrm_get_type(proto, x->props.family);
- if (x->type == NULL) {
- err = -ENOPROTOOPT;
- goto out;
- }
- if (x->type->init_state(x, NULL)) {
- err = -EINVAL;
+ err = xfrm_init_state(x);
+ if (err)
goto out;
- }
+
x->km.seq = hdr->sadb_msg_seq;
- x->km.state = XFRM_STATE_VALID;
return x;
out:
@@ -1240,13 +1243,78 @@ static int pfkey_acquire(struct sock *sk, struct sk_buff *skb, struct sadb_msg *
return 0;
}
+static inline int event2poltype(int event)
+{
+ switch (event) {
+ case XFRM_MSG_DELPOLICY:
+ return SADB_X_SPDDELETE;
+ case XFRM_MSG_NEWPOLICY:
+ return SADB_X_SPDADD;
+ case XFRM_MSG_UPDPOLICY:
+ return SADB_X_SPDUPDATE;
+ case XFRM_MSG_POLEXPIRE:
+ // return SADB_X_SPDEXPIRE;
+ default:
+ printk("pfkey: Unknown policy event %d\n", event);
+ break;
+ }
+
+ return 0;
+}
+
+static inline int event2keytype(int event)
+{
+ switch (event) {
+ case XFRM_MSG_DELSA:
+ return SADB_DELETE;
+ case XFRM_MSG_NEWSA:
+ return SADB_ADD;
+ case XFRM_MSG_UPDSA:
+ return SADB_UPDATE;
+ case XFRM_MSG_EXPIRE:
+ return SADB_EXPIRE;
+ default:
+ printk("pfkey: Unknown SA event %d\n", event);
+ break;
+ }
+
+ return 0;
+}
+
+/* ADD/UPD/DEL */
+static int key_notify_sa(struct xfrm_state *x, struct km_event *c)
+{
+ struct sk_buff *skb;
+ struct sadb_msg *hdr;
+ int hsc = 3;
+
+ if (c->event == XFRM_MSG_DELSA)
+ hsc = 0;
+
+ skb = pfkey_xfrm_state2msg(x, 0, hsc);
+
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ hdr = (struct sadb_msg *) skb->data;
+ hdr->sadb_msg_version = PF_KEY_V2;
+ hdr->sadb_msg_type = event2keytype(c->event);
+ hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto);
+ hdr->sadb_msg_errno = 0;
+ hdr->sadb_msg_reserved = 0;
+ hdr->sadb_msg_seq = c->seq;
+ hdr->sadb_msg_pid = c->pid;
+
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL);
+
+ return 0;
+}
static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
- struct sk_buff *out_skb;
- struct sadb_msg *out_hdr;
struct xfrm_state *x;
int err;
+ struct km_event c;
xfrm_probe_algs();
@@ -1254,6 +1322,7 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
if (IS_ERR(x))
return PTR_ERR(x);
+ xfrm_state_hold(x);
if (hdr->sadb_msg_type == SADB_ADD)
err = xfrm_state_add(x);
else
@@ -1262,30 +1331,26 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
xfrm_state_put(x);
- return err;
+ goto out;
}
- out_skb = pfkey_xfrm_state2msg(x, 0, 3);
- if (IS_ERR(out_skb))
- return PTR_ERR(out_skb); /* XXX Should we return 0 here ? */
-
- out_hdr = (struct sadb_msg *) out_skb->data;
- out_hdr->sadb_msg_version = hdr->sadb_msg_version;
- out_hdr->sadb_msg_type = hdr->sadb_msg_type;
- out_hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto);
- out_hdr->sadb_msg_errno = 0;
- out_hdr->sadb_msg_reserved = 0;
- out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
- out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
-
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, sk);
-
- return 0;
+ if (hdr->sadb_msg_type == SADB_ADD)
+ c.event = XFRM_MSG_NEWSA;
+ else
+ c.event = XFRM_MSG_UPDSA;
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
+ km_state_notify(x, &c);
+out:
+ xfrm_state_put(x);
+ return err;
}
static int pfkey_delete(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
struct xfrm_state *x;
+ struct km_event c;
+ int err;
if (!ext_hdrs[SADB_EXT_SA-1] ||
!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
@@ -1301,13 +1366,19 @@ static int pfkey_delete(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
return -EPERM;
}
- xfrm_state_delete(x);
- xfrm_state_put(x);
+ err = xfrm_state_delete(x);
+ if (err < 0) {
+ xfrm_state_put(x);
+ return err;
+ }
- pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
- BROADCAST_ALL, sk);
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
+ c.event = XFRM_MSG_DELSA;
+ km_state_notify(x, &c);
+ xfrm_state_put(x);
- return 0;
+ return err;
}
static int pfkey_get(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
@@ -1445,28 +1516,42 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, struct sadb_msg
return 0;
}
+static int key_notify_sa_flush(struct km_event *c)
+{
+ struct sk_buff *skb;
+ struct sadb_msg *hdr;
+
+ skb = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC);
+ if (!skb)
+ return -ENOBUFS;
+ hdr = (struct sadb_msg *) skb_put(skb, sizeof(struct sadb_msg));
+ hdr->sadb_msg_satype = pfkey_proto2satype(c->data.proto);
+ hdr->sadb_msg_seq = c->seq;
+ hdr->sadb_msg_pid = c->pid;
+ hdr->sadb_msg_version = PF_KEY_V2;
+ hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL);
+
+ return 0;
+}
+
static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
unsigned proto;
- struct sk_buff *skb_out;
- struct sadb_msg *hdr_out;
+ struct km_event c;
proto = pfkey_satype2proto(hdr->sadb_msg_satype);
if (proto == 0)
return -EINVAL;
- skb_out = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_KERNEL);
- if (!skb_out)
- return -ENOBUFS;
-
xfrm_state_flush(proto);
-
- hdr_out = (struct sadb_msg *) skb_put(skb_out, sizeof(struct sadb_msg));
- pfkey_hdr_dup(hdr_out, hdr);
- hdr_out->sadb_msg_errno = (uint8_t) 0;
- hdr_out->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
-
- pfkey_broadcast(skb_out, GFP_KERNEL, BROADCAST_ALL, NULL);
+ c.data.proto = proto;
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
+ c.event = XFRM_MSG_FLUSHSA;
+ km_state_notify(NULL, &c);
return 0;
}
@@ -1859,6 +1944,35 @@ static void pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, i
hdr->sadb_msg_reserved = atomic_read(&xp->refcnt);
}
+static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c)
+{
+ struct sk_buff *out_skb;
+ struct sadb_msg *out_hdr;
+ int err;
+
+ out_skb = pfkey_xfrm_policy2msg_prep(xp);
+ if (IS_ERR(out_skb)) {
+ err = PTR_ERR(out_skb);
+ goto out;
+ }
+ pfkey_xfrm_policy2msg(out_skb, xp, dir);
+
+ out_hdr = (struct sadb_msg *) out_skb->data;
+ out_hdr->sadb_msg_version = PF_KEY_V2;
+
+ if (c->data.byid && c->event == XFRM_MSG_DELPOLICY)
+ out_hdr->sadb_msg_type = SADB_X_SPDDELETE2;
+ else
+ out_hdr->sadb_msg_type = event2poltype(c->event);
+ out_hdr->sadb_msg_errno = 0;
+ out_hdr->sadb_msg_seq = c->seq;
+ out_hdr->sadb_msg_pid = c->pid;
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL);
+out:
+ return 0;
+
+}
+
static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
int err;
@@ -1866,8 +1980,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
struct sadb_address *sa;
struct sadb_x_policy *pol;
struct xfrm_policy *xp;
- struct sk_buff *out_skb;
- struct sadb_msg *out_hdr;
+ struct km_event c;
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
ext_hdrs[SADB_EXT_ADDRESS_DST-1]) ||
@@ -1935,31 +2048,23 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
(err = parse_ipsecrequests(xp, pol)) < 0)
goto out;
- out_skb = pfkey_xfrm_policy2msg_prep(xp);
- if (IS_ERR(out_skb)) {
- err = PTR_ERR(out_skb);
- goto out;
- }
-
err = xfrm_policy_insert(pol->sadb_x_policy_dir-1, xp,
hdr->sadb_msg_type != SADB_X_SPDUPDATE);
if (err) {
- kfree_skb(out_skb);
- goto out;
+ kfree(xp);
+ return err;
}
- pfkey_xfrm_policy2msg(out_skb, xp, pol->sadb_x_policy_dir-1);
+ if (hdr->sadb_msg_type == SADB_X_SPDUPDATE)
+ c.event = XFRM_MSG_UPDPOLICY;
+ else
+ c.event = XFRM_MSG_NEWPOLICY;
- xfrm_pol_put(xp);
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
- out_hdr = (struct sadb_msg *) out_skb->data;
- out_hdr->sadb_msg_version = hdr->sadb_msg_version;
- out_hdr->sadb_msg_type = hdr->sadb_msg_type;
- out_hdr->sadb_msg_satype = 0;
- out_hdr->sadb_msg_errno = 0;
- out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
- out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, sk);
+ km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c);
+ xfrm_pol_put(xp);
return 0;
out:
@@ -1973,9 +2078,8 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
struct sadb_address *sa;
struct sadb_x_policy *pol;
struct xfrm_policy *xp;
- struct sk_buff *out_skb;
- struct sadb_msg *out_hdr;
struct xfrm_selector sel;
+ struct km_event c;
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
ext_hdrs[SADB_EXT_ADDRESS_DST-1]) ||
@@ -2010,25 +2114,40 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
err = 0;
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
+ c.event = XFRM_MSG_DELPOLICY;
+ km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c);
+
+ xfrm_pol_put(xp);
+ return err;
+}
+
+static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, struct sadb_msg *hdr, int dir)
+{
+ int err;
+ struct sk_buff *out_skb;
+ struct sadb_msg *out_hdr;
+ err = 0;
+
out_skb = pfkey_xfrm_policy2msg_prep(xp);
if (IS_ERR(out_skb)) {
err = PTR_ERR(out_skb);
goto out;
}
- pfkey_xfrm_policy2msg(out_skb, xp, pol->sadb_x_policy_dir-1);
+ pfkey_xfrm_policy2msg(out_skb, xp, dir);
out_hdr = (struct sadb_msg *) out_skb->data;
out_hdr->sadb_msg_version = hdr->sadb_msg_version;
- out_hdr->sadb_msg_type = SADB_X_SPDDELETE;
+ out_hdr->sadb_msg_type = hdr->sadb_msg_type;
out_hdr->sadb_msg_satype = 0;
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, sk);
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk);
err = 0;
out:
- xfrm_pol_put(xp);
return err;
}
@@ -2037,8 +2156,7 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
int err;
struct sadb_x_policy *pol;
struct xfrm_policy *xp;
- struct sk_buff *out_skb;
- struct sadb_msg *out_hdr;
+ struct km_event c;
if ((pol = ext_hdrs[SADB_X_EXT_POLICY-1]) == NULL)
return -EINVAL;
@@ -2050,24 +2168,16 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
err = 0;
- out_skb = pfkey_xfrm_policy2msg_prep(xp);
- if (IS_ERR(out_skb)) {
- err = PTR_ERR(out_skb);
- goto out;
+ c.seq = hdr->sadb_msg_seq;
+ c.pid = hdr->sadb_msg_pid;
+ if (hdr->sadb_msg_type == SADB_X_SPDDELETE2) {
+ c.data.byid = 1;
+ c.event = XFRM_MSG_DELPOLICY;
+ km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c);
+ } else {
+ err = key_pol_get_resp(sk, xp, hdr, pol->sadb_x_policy_dir-1);
}
- pfkey_xfrm_policy2msg(out_skb, xp, pol->sadb_x_policy_dir-1);
- out_hdr = (struct sadb_msg *) out_skb->data;
- out_hdr->sadb_msg_version = hdr->sadb_msg_version;
- out_hdr->sadb_msg_type = hdr->sadb_msg_type;
- out_hdr->sadb_msg_satype = 0;
- out_hdr->sadb_msg_errno = 0;
- out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
- out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, sk);
- err = 0;
-
-out:
xfrm_pol_put(xp);
return err;
}
@@ -2102,22 +2212,34 @@ static int pfkey_spddump(struct sock *sk, struct sk_buff *skb, struct sadb_msg *
return xfrm_policy_walk(dump_sp, &data);
}
-static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
+static int key_notify_policy_flush(struct km_event *c)
{
struct sk_buff *skb_out;
- struct sadb_msg *hdr_out;
+ struct sadb_msg *hdr;
- skb_out = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_KERNEL);
+ skb_out = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC);
if (!skb_out)
return -ENOBUFS;
+ hdr = (struct sadb_msg *) skb_put(skb_out, sizeof(struct sadb_msg));
+ hdr->sadb_msg_seq = c->seq;
+ hdr->sadb_msg_pid = c->pid;
+ hdr->sadb_msg_version = PF_KEY_V2;
+ hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL);
+ return 0;
- xfrm_policy_flush();
+}
- hdr_out = (struct sadb_msg *) skb_put(skb_out, sizeof(struct sadb_msg));
- pfkey_hdr_dup(hdr_out, hdr);
- hdr_out->sadb_msg_errno = (uint8_t) 0;
- hdr_out->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
- pfkey_broadcast(skb_out, GFP_KERNEL, BROADCAST_ALL, NULL);
+static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
+{
+ struct km_event c;
+
+ xfrm_policy_flush();
+ c.event = XFRM_MSG_FLUSHPOLICY;
+ c.pid = hdr->sadb_msg_pid;
+ c.seq = hdr->sadb_msg_seq;
+ km_policy_notify(NULL, 0, &c);
return 0;
}
@@ -2317,11 +2439,23 @@ static void dump_esp_combs(struct sk_buff *skb, struct xfrm_tmpl *t)
}
}
-static int pfkey_send_notify(struct xfrm_state *x, int hard)
+static int key_notify_policy_expire(struct xfrm_policy *xp, struct km_event *c)
+{
+ return 0;
+}
+
+static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c)
{
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
- int hsc = (hard ? 2 : 1);
+ int hard;
+ int hsc;
+
+ hard = c->data.hard;
+ if (hard)
+ hsc = 2;
+ else
+ hsc = 1;
out_skb = pfkey_xfrm_state2msg(x, 0, hsc);
if (IS_ERR(out_skb))
@@ -2340,6 +2474,44 @@ static int pfkey_send_notify(struct xfrm_state *x, int hard)
return 0;
}
+static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
+{
+ switch (c->event) {
+ case XFRM_MSG_EXPIRE:
+ return key_notify_sa_expire(x, c);
+ case XFRM_MSG_DELSA:
+ case XFRM_MSG_NEWSA:
+ case XFRM_MSG_UPDSA:
+ return key_notify_sa(x, c);
+ case XFRM_MSG_FLUSHSA:
+ return key_notify_sa_flush(c);
+ default:
+ printk("pfkey: Unknown SA event %d\n", c->event);
+ break;
+ }
+
+ return 0;
+}
+
+static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
+{
+ switch (c->event) {
+ case XFRM_MSG_POLEXPIRE:
+ return key_notify_policy_expire(xp, c);
+ case XFRM_MSG_DELPOLICY:
+ case XFRM_MSG_NEWPOLICY:
+ case XFRM_MSG_UPDPOLICY:
+ return key_notify_policy(xp, dir, c);
+ case XFRM_MSG_FLUSHPOLICY:
+ return key_notify_policy_flush(c);
+ default:
+ printk("pfkey: Unknown policy event %d\n", c->event);
+ break;
+ }
+
+ return 0;
+}
+
static u32 get_acqseq(void)
{
u32 res;
@@ -2856,6 +3028,7 @@ static struct xfrm_mgr pfkeyv2_mgr =
.acquire = pfkey_send_acquire,
.compile_policy = pfkey_compile_policy,
.new_mapping = pfkey_send_new_mapping,
+ .notify_policy = pfkey_send_policy_notify,
};
static void __exit ipsec_pfkey_exit(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-13 20:18:32 +0000