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rxrpc: Clean up connection abort 

Clean up connection abort, using the connection state_lock to gate access
to change that state, and use an rxrpc_call_completion value to indicate
the difference between local and remote aborts as these can be pasted
directly into the call state.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
This commit is contained in:
David Howells 2022-10-20 09:56:36 +01:00
parent f2cce89a07
commit a00ce28b17
8 changed files with 188 additions and 213 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/trace/events/rxrpc.h
View File

@ -111,6 +111,7 @@
EM(rxrpc_conn_get_call_input, "GET inp-call") \
EM(rxrpc_conn_get_conn_input, "GET inp-conn") \
EM(rxrpc_conn_get_idle, "GET idle ") \
EM(rxrpc_conn_get_poke_abort, "GET pk-abort") \
EM(rxrpc_conn_get_poke_timer, "GET poke ") \
EM(rxrpc_conn_get_service_conn, "GET svc-conn") \
EM(rxrpc_conn_new_client, "NEW client ") \
@ -128,6 +129,7 @@
EM(rxrpc_conn_put_unidle, "PUT unidle ") \
EM(rxrpc_conn_put_work, "PUT work ") \
EM(rxrpc_conn_queue_challenge, "QUE chall ") \
EM(rxrpc_conn_queue_retry_work, "QUE retry-wk") \
EM(rxrpc_conn_queue_rx_work, "QUE rx-work ") \
EM(rxrpc_conn_see_new_service_conn, "SEE new-svc ") \
EM(rxrpc_conn_see_reap_service, "SEE reap-svc") \

46
net/rxrpc/ar-internal.h
View File

@ -263,13 +263,11 @@ struct rxrpc_security {
/* respond to a challenge */
int (*respond_to_challenge)(struct rxrpc_connection *,
struct sk_buff *,
u32 *);
struct sk_buff *);
/* verify a response */
int (*verify_response)(struct rxrpc_connection *,
struct sk_buff *,
u32 *);
struct sk_buff *);
/* clear connection security */
void (*clear)(struct rxrpc_connection *);
@ -367,6 +365,18 @@ struct rxrpc_conn_parameters {
u32 security_level; /* Security level selected */
};
/*
* Call completion condition (state == RXRPC_CALL_COMPLETE).
*/
enum rxrpc_call_completion {
RXRPC_CALL_SUCCEEDED, /* - Normal termination */
RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
NR__RXRPC_CALL_COMPLETIONS
};
/*
* Bits in the connection flags.
*/
@ -391,6 +401,7 @@ enum rxrpc_conn_flag {
*/
enum rxrpc_conn_event {
RXRPC_CONN_EV_CHALLENGE, /* Send challenge packet */
RXRPC_CONN_EV_ABORT_CALLS, /* Abort attached calls */
};
/*
@ -403,8 +414,7 @@ enum rxrpc_conn_proto_state {
RXRPC_CONN_SERVICE_UNSECURED, /* Service unsecured connection */
RXRPC_CONN_SERVICE_CHALLENGING, /* Service challenging for security */
RXRPC_CONN_SERVICE, /* Service secured connection */
RXRPC_CONN_REMOTELY_ABORTED, /* Conn aborted by peer */
RXRPC_CONN_LOCALLY_ABORTED, /* Conn aborted locally */
RXRPC_CONN_ABORTED, /* Conn aborted */
RXRPC_CONN__NR_STATES
};
@ -487,7 +497,8 @@ struct rxrpc_connection {
unsigned long idle_timestamp; /* Time at which last became idle */
spinlock_t state_lock; /* state-change lock */
enum rxrpc_conn_proto_state state; /* current state of connection */
u32 abort_code; /* Abort code of connection abort */
enum rxrpc_call_completion completion; /* Completion condition */
s32 abort_code; /* Abort code of connection abort */
int debug_id; /* debug ID for printks */
atomic_t serial; /* packet serial number counter */
unsigned int hi_serial; /* highest serial number received */
@ -561,18 +572,6 @@ enum rxrpc_call_state {
NR__RXRPC_CALL_STATES
};
/*
* Call completion condition (state == RXRPC_CALL_COMPLETE).
*/
enum rxrpc_call_completion {
RXRPC_CALL_SUCCEEDED, /* - Normal termination */
RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
NR__RXRPC_CALL_COMPLETIONS
};
/*
* Call Tx congestion management modes.
*/
@ -905,11 +904,19 @@ void rxrpc_clean_up_local_conns(struct rxrpc_local *);
*/
void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, struct sk_buff *skb,
unsigned int channel);
int rxrpc_abort_conn(struct rxrpc_connection *conn, struct sk_buff *skb,
s32 abort_code, int err, const char *why);
void rxrpc_process_connection(struct work_struct *);
void rxrpc_process_delayed_final_acks(struct rxrpc_connection *, bool);
int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb);
void rxrpc_input_conn_event(struct rxrpc_connection *conn, struct sk_buff *skb);
static inline bool rxrpc_is_conn_aborted(const struct rxrpc_connection *conn)
{
/* Order reading the abort info after the state check. */
return smp_load_acquire(&conn->state) == RXRPC_CONN_ABORTED;
}
/*
* conn_object.c
*/
@ -1059,6 +1066,7 @@ static inline struct rxrpc_net *rxrpc_net(struct net *net)
int rxrpc_send_ack_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb);
int rxrpc_send_abort_packet(struct rxrpc_call *);
int rxrpc_send_data_packet(struct rxrpc_call *, struct rxrpc_txbuf *);
void rxrpc_send_conn_abort(struct rxrpc_connection *conn);
void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb);
void rxrpc_send_keepalive(struct rxrpc_peer *);
void rxrpc_transmit_one(struct rxrpc_call *call, struct rxrpc_txbuf *txb);

8
net/rxrpc/call_object.c
View File

@ -443,14 +443,10 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
call->state = RXRPC_CALL_SERVER_RECV_REQUEST;
break;
case RXRPC_CONN_REMOTELY_ABORTED:
__rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,
case RXRPC_CONN_ABORTED:
__rxrpc_set_call_completion(call, conn->completion,
conn->abort_code, conn->error);
break;
case RXRPC_CONN_LOCALLY_ABORTED:
__rxrpc_abort_call("CON", call, 1,
conn->abort_code, conn->error);
break;
default:
BUG();
}

233
net/rxrpc/conn_event.c
View File

@ -16,6 +16,60 @@
#include <net/ip.h>
#include "ar-internal.h"
/*
* Set the completion state on an aborted connection.
*/
static bool rxrpc_set_conn_aborted(struct rxrpc_connection *conn, struct sk_buff *skb,
s32 abort_code, int err,
enum rxrpc_call_completion compl)
{
bool aborted = false;
if (conn->state != RXRPC_CONN_ABORTED) {
spin_lock(&conn->state_lock);
if (conn->state != RXRPC_CONN_ABORTED) {
conn->abort_code = abort_code;
conn->error = err;
conn->completion = compl;
/* Order the abort info before the state change. */
smp_store_release(&conn->state, RXRPC_CONN_ABORTED);
set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
set_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events);
aborted = true;
}
spin_unlock(&conn->state_lock);
}
return aborted;
}
/*
* Mark a socket buffer to indicate that the connection it's on should be aborted.
*/
int rxrpc_abort_conn(struct rxrpc_connection *conn, struct sk_buff *skb,
s32 abort_code, int err, const char *why)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
if (rxrpc_set_conn_aborted(conn, skb, abort_code, err,
RXRPC_CALL_LOCALLY_ABORTED)) {
trace_rxrpc_abort(0, why, sp->hdr.cid, sp->hdr.callNumber,
sp->hdr.seq, abort_code, err);
rxrpc_poke_conn(conn, rxrpc_conn_get_poke_abort);
}
return -EPROTO;
}
/*
* Mark a connection as being remotely aborted.
*/
static bool rxrpc_input_conn_abort(struct rxrpc_connection *conn,
struct sk_buff *skb)
{
return rxrpc_set_conn_aborted(conn, skb, skb->priority, -ECONNABORTED,
RXRPC_CALL_REMOTELY_ABORTED);
}
/*
* Retransmit terminal ACK or ABORT of the previous call.
*/
@ -146,9 +200,7 @@ void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
/*
* pass a connection-level abort onto all calls on that connection
*/
static void rxrpc_abort_calls(struct rxrpc_connection *conn,
enum rxrpc_call_completion compl,
rxrpc_serial_t serial)
static void rxrpc_abort_calls(struct rxrpc_connection *conn)
{
struct rxrpc_call *call;
int i;
@ -161,102 +213,17 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn,
call = rcu_dereference_protected(
conn->channels[i].call,
lockdep_is_held(&conn->bundle->channel_lock));
if (call) {
if (compl == RXRPC_CALL_LOCALLY_ABORTED)
trace_rxrpc_abort(call->debug_id,
"CON", call->cid,
call->call_id, 0,
if (call)
rxrpc_set_call_completion(call,
conn->completion,
conn->abort_code,
conn->error);
else
trace_rxrpc_rx_abort(call, serial,
conn->abort_code);
rxrpc_set_call_completion(call, compl,
conn->abort_code,
conn->error);
}
}
spin_unlock(&conn->bundle->channel_lock);
_leave("");
}
/*
* generate a connection-level abort
*/
static int rxrpc_abort_connection(struct rxrpc_connection *conn,
int error, u32 abort_code)
{
struct rxrpc_wire_header whdr;
struct msghdr msg;
struct kvec iov[2];
__be32 word;
size_t len;
u32 serial;
int ret;
_enter("%d,,%u,%u", conn->debug_id, error, abort_code);
/* generate a connection-level abort */
spin_lock(&conn->state_lock);
if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
spin_unlock(&conn->state_lock);
_leave(" = 0 [already dead]");
return 0;
}
conn->error = error;
conn->abort_code = abort_code;
conn->state = RXRPC_CONN_LOCALLY_ABORTED;
set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
spin_unlock(&conn->state_lock);
msg.msg_name = &conn->peer->srx.transport;
msg.msg_namelen = conn->peer->srx.transport_len;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
whdr.epoch = htonl(conn->proto.epoch);
whdr.cid = htonl(conn->proto.cid);
whdr.callNumber = 0;
whdr.seq = 0;
whdr.type = RXRPC_PACKET_TYPE_ABORT;
whdr.flags = conn->out_clientflag;
whdr.userStatus = 0;
whdr.securityIndex = conn->security_ix;
whdr._rsvd = 0;
whdr.serviceId = htons(conn->service_id);
word = htonl(conn->abort_code);
iov[0].iov_base = &whdr;
iov[0].iov_len = sizeof(whdr);
iov[1].iov_base = &word;
iov[1].iov_len = sizeof(word);
len = iov[0].iov_len + iov[1].iov_len;
serial = atomic_inc_return(&conn->serial);
rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, serial);
whdr.serial = htonl(serial);
ret = kernel_sendmsg(conn->local->socket, &msg, iov, 2, len);
if (ret < 0) {
trace_rxrpc_tx_fail(conn->debug_id, serial, ret,
rxrpc_tx_point_conn_abort);
_debug("sendmsg failed: %d", ret);
return -EAGAIN;
}
trace_rxrpc_tx_packet(conn->debug_id, &whdr, rxrpc_tx_point_conn_abort);
conn->peer->last_tx_at = ktime_get_seconds();
_leave(" = 0");
return 0;
}
/*
* mark a call as being on a now-secured channel
* - must be called with BH's disabled.
@ -278,26 +245,22 @@ static void rxrpc_call_is_secure(struct rxrpc_call *call)
* connection-level Rx packet processor
*/
static int rxrpc_process_event(struct rxrpc_connection *conn,
struct sk_buff *skb,
u32 *_abort_code)
struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
int loop, ret;
if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
_leave(" = -ECONNABORTED [%u]", conn->state);
if (conn->state == RXRPC_CONN_ABORTED)
return -ECONNABORTED;
}
_enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial);
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_CHALLENGE:
return conn->security->respond_to_challenge(conn, skb,
_abort_code);
return conn->security->respond_to_challenge(conn, skb);
case RXRPC_PACKET_TYPE_RESPONSE:
ret = conn->security->verify_response(conn, skb, _abort_code);
ret = conn->security->verify_response(conn, skb);
if (ret < 0)
return ret;
@ -336,26 +299,8 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
*/
static void rxrpc_secure_connection(struct rxrpc_connection *conn)
{
u32 abort_code;
int ret;
_enter("{%d}", conn->debug_id);
ASSERT(conn->security_ix != 0);
if (conn->security->issue_challenge(conn) < 0) {
abort_code = RX_CALL_DEAD;
ret = -ENOMEM;
goto abort;
}
_leave("");
return;
abort:
_debug("abort %d, %d", ret, abort_code);
rxrpc_abort_connection(conn, ret, abort_code);
_leave(" [aborted]");
if (conn->security->issue_challenge(conn) < 0)
rxrpc_abort_conn(conn, NULL, RX_CALL_DEAD, -ENOMEM, "OOM");
}
/*
@ -406,7 +351,6 @@ again:
static void rxrpc_do_process_connection(struct rxrpc_connection *conn)
{
struct sk_buff *skb;
u32 abort_code = RX_PROTOCOL_ERROR;
int ret;
if (test_and_clear_bit(RXRPC_CONN_EV_CHALLENGE, &conn->events))
@ -416,33 +360,18 @@ static void rxrpc_do_process_connection(struct rxrpc_connection *conn)
* connection that each one has when we've finished with it */
while ((skb = skb_dequeue(&conn->rx_queue))) {
rxrpc_see_skb(skb, rxrpc_skb_see_conn_work);
ret = rxrpc_process_event(conn, skb, &abort_code);
ret = rxrpc_process_event(conn, skb);
switch (ret) {
case -EPROTO:
case -EKEYEXPIRED:
case -EKEYREJECTED:
goto protocol_error;
case -ENOMEM:
case -EAGAIN:
goto requeue_and_leave;
case -ECONNABORTED:
skb_queue_head(&conn->rx_queue, skb);
rxrpc_queue_conn(conn, rxrpc_conn_queue_retry_work);
break;
default:
rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
break;
}
}
return;
requeue_and_leave:
skb_queue_head(&conn->rx_queue, skb);
return;
protocol_error:
if (rxrpc_abort_connection(conn, ret, abort_code) < 0)
goto requeue_and_leave;
rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
return;
}
void rxrpc_process_connection(struct work_struct *work)
@ -480,28 +409,25 @@ int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
_leave(" = -ECONNABORTED [%u]", conn->state);
return 0;
}
_enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial);
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_BUSY:
/* Just ignore BUSY packets for now. */
return 0;
case RXRPC_PACKET_TYPE_ABORT:
conn->error = -ECONNABORTED;
conn->abort_code = skb->priority;
conn->state = RXRPC_CONN_REMOTELY_ABORTED;
set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial);
return 0;
if (rxrpc_is_conn_aborted(conn))
return true;
rxrpc_input_conn_abort(conn, skb);
rxrpc_abort_calls(conn);
return true;
case RXRPC_PACKET_TYPE_CHALLENGE:
case RXRPC_PACKET_TYPE_RESPONSE:
if (rxrpc_is_conn_aborted(conn)) {
if (conn->completion == RXRPC_CALL_LOCALLY_ABORTED)
rxrpc_send_conn_abort(conn);
return true;
}
rxrpc_post_packet_to_conn(conn, skb);
return 0;
@ -517,6 +443,9 @@ int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff *skb)
*/
void rxrpc_input_conn_event(struct rxrpc_connection *conn, struct sk_buff *skb)
{
if (test_and_clear_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events))
rxrpc_abort_calls(conn);
/* Process delayed ACKs whose time has come. */
if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)
rxrpc_process_delayed_final_acks(conn, false);

18
net/rxrpc/insecure.c
View File

@ -43,25 +43,15 @@ static void none_free_call_crypto(struct rxrpc_call *call)
}
static int none_respond_to_challenge(struct rxrpc_connection *conn,
struct sk_buff *skb,
u32 *_abort_code)
struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
tracepoint_string("chall_none"));
return -EPROTO;
return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO, "RXN");
}
static int none_verify_response(struct rxrpc_connection *conn,
struct sk_buff *skb,
u32 *_abort_code)
struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
tracepoint_string("resp_none"));
return -EPROTO;
return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO, "RXN");
}
static void none_clear(struct rxrpc_connection *conn)

56
net/rxrpc/output.c
View File

@ -544,6 +544,62 @@ send_fragmentable:
goto done;
}
/*
* Transmit a connection-level abort.
*/
void rxrpc_send_conn_abort(struct rxrpc_connection *conn)
{
struct rxrpc_wire_header whdr;
struct msghdr msg;
struct kvec iov[2];
__be32 word;
size_t len;
u32 serial;
int ret;
msg.msg_name = &conn->peer->srx.transport;
msg.msg_namelen = conn->peer->srx.transport_len;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
whdr.epoch = htonl(conn->proto.epoch);
whdr.cid = htonl(conn->proto.cid);
whdr.callNumber = 0;
whdr.seq = 0;
whdr.type = RXRPC_PACKET_TYPE_ABORT;
whdr.flags = conn->out_clientflag;
whdr.userStatus = 0;
whdr.securityIndex = conn->security_ix;
whdr._rsvd = 0;
whdr.serviceId = htons(conn->service_id);
word = htonl(conn->abort_code);
iov[0].iov_base = &whdr;
iov[0].iov_len = sizeof(whdr);
iov[1].iov_base = &word;
iov[1].iov_len = sizeof(word);
len = iov[0].iov_len + iov[1].iov_len;
serial = atomic_inc_return(&conn->serial);
whdr.serial = htonl(serial);
iov_iter_kvec(&msg.msg_iter, WRITE, iov, 2, len);
ret = do_udp_sendmsg(conn->local->socket, &msg, len);
if (ret < 0) {
trace_rxrpc_tx_fail(conn->debug_id, serial, ret,
rxrpc_tx_point_conn_abort);
_debug("sendmsg failed: %d", ret);
return;
}
trace_rxrpc_tx_packet(conn->debug_id, &whdr, rxrpc_tx_point_conn_abort);
conn->peer->last_tx_at = ktime_get_seconds();
}
/*
* Reject a packet through the local endpoint.
*/

10
net/rxrpc/proc.c
View File

@ -17,8 +17,7 @@ static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
[RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ",
[RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ",
[RXRPC_CONN_SERVICE] = "SvSecure",
[RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort",
[RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort",
[RXRPC_CONN_ABORTED] = "Aborted ",
};
/*
@ -143,6 +142,7 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
{
struct rxrpc_connection *conn;
struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
const char *state;
char lbuff[50], rbuff[50];
if (v == &rxnet->conn_proc_list) {
@ -163,9 +163,11 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
}
sprintf(lbuff, "%pISpc", &conn->local->srx.transport);
sprintf(rbuff, "%pISpc", &conn->peer->srx.transport);
print:
state = rxrpc_is_conn_aborted(conn) ?
rxrpc_call_completions[conn->completion] :
rxrpc_conn_states[conn->state];
seq_printf(seq,
"UDP %-47.47s %-47.47s %4x %08x %s %3u %3d"
" %s %08x %08x %08x %08x %08x %08x %08x\n",
@ -176,7 +178,7 @@ print:
rxrpc_conn_is_service(conn) ? "Svc" : "Clt",
refcount_read(&conn->ref),
atomic_read(&conn->active),
rxrpc_conn_states[conn->state],
state,
key_serial(conn->key),
atomic_read(&conn->serial),
conn->hi_serial,

28
net/rxrpc/rxkad.c
View File

@ -821,8 +821,7 @@ static int rxkad_encrypt_response(struct rxrpc_connection *conn,
* respond to a challenge packet
*/
static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
struct sk_buff *skb,
u32 *_abort_code)
struct sk_buff *skb)
{
const struct rxrpc_key_token *token;
struct rxkad_challenge challenge;
@ -898,7 +897,7 @@ protocol_error:
trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
ret = -EPROTO;
other_error:
*_abort_code = abort_code;
rxrpc_abort_conn(conn, skb, abort_code, ret, "RXK");
return ret;
}
@ -910,8 +909,7 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
struct sk_buff *skb,
void *ticket, size_t ticket_len,
struct rxrpc_crypt *_session_key,
time64_t *_expiry,
u32 *_abort_code)
time64_t *_expiry)
{
struct skcipher_request *req;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
@ -1042,8 +1040,7 @@ bad_ticket:
abort_code = RXKADBADTICKET;
ret = -EPROTO;
other_error:
*_abort_code = abort_code;
return ret;
return rxrpc_abort_conn(conn, skb, abort_code, ret, "RXK");
temporary_error:
return ret;
}
@ -1086,8 +1083,7 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn,
* verify a response
*/
static int rxkad_verify_response(struct rxrpc_connection *conn,
struct sk_buff *skb,
u32 *_abort_code)
struct sk_buff *skb)
{
struct rxkad_response *response;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
@ -1115,11 +1111,8 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
abort_code = RXKADNOAUTH;
break;
}
trace_rxrpc_abort(0, "SVK",
sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq,
abort_code, PTR_ERR(server_key));
*_abort_code = abort_code;
return -EPROTO;
return rxrpc_abort_conn(conn, skb, abort_code,
PTR_ERR(server_key), "RXK");
}
ret = -ENOMEM;
@ -1168,7 +1161,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
goto temporary_error_free_ticket;
ret = rxkad_decrypt_ticket(conn, server_key, skb, ticket, ticket_len,
&session_key, &expiry, _abort_code);
&session_key, &expiry);
if (ret < 0)
goto temporary_error_free_ticket;
@ -1246,10 +1239,9 @@ protocol_error_free:
kfree(ticket);
protocol_error:
kfree(response);
trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
key_put(server_key);
*_abort_code = abort_code;
return -EPROTO;
trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, eproto);
return rxrpc_abort_conn(conn, skb, abort_code, -EPROTO, "RXK");
temporary_error_free_ticket:
kfree(ticket);