mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 11:30:53 +07:00
iscsi-target: Use shash and ahash
This patch replaces uses of the long obsolete hash interface with either shash (for non-SG users) or ahash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
parent
5d6ac29b9e
commit
69110e3ced
@ -16,9 +16,9 @@
|
||||
* GNU General Public License for more details.
|
||||
******************************************************************************/
|
||||
|
||||
#include <crypto/hash.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/completion.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/vmalloc.h>
|
||||
@ -1190,7 +1190,7 @@ iscsit_handle_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
}
|
||||
|
||||
static u32 iscsit_do_crypto_hash_sg(
|
||||
struct hash_desc *hash,
|
||||
struct ahash_request *hash,
|
||||
struct iscsi_cmd *cmd,
|
||||
u32 data_offset,
|
||||
u32 data_length,
|
||||
@ -1201,7 +1201,7 @@ static u32 iscsit_do_crypto_hash_sg(
|
||||
struct scatterlist *sg;
|
||||
unsigned int page_off;
|
||||
|
||||
crypto_hash_init(hash);
|
||||
crypto_ahash_init(hash);
|
||||
|
||||
sg = cmd->first_data_sg;
|
||||
page_off = cmd->first_data_sg_off;
|
||||
@ -1209,7 +1209,8 @@ static u32 iscsit_do_crypto_hash_sg(
|
||||
while (data_length) {
|
||||
u32 cur_len = min_t(u32, data_length, (sg->length - page_off));
|
||||
|
||||
crypto_hash_update(hash, sg, cur_len);
|
||||
ahash_request_set_crypt(hash, sg, NULL, cur_len);
|
||||
crypto_ahash_update(hash);
|
||||
|
||||
data_length -= cur_len;
|
||||
page_off = 0;
|
||||
@ -1221,33 +1222,34 @@ static u32 iscsit_do_crypto_hash_sg(
|
||||
struct scatterlist pad_sg;
|
||||
|
||||
sg_init_one(&pad_sg, pad_bytes, padding);
|
||||
crypto_hash_update(hash, &pad_sg, padding);
|
||||
ahash_request_set_crypt(hash, &pad_sg, (u8 *)&data_crc,
|
||||
padding);
|
||||
crypto_ahash_finup(hash);
|
||||
} else {
|
||||
ahash_request_set_crypt(hash, NULL, (u8 *)&data_crc, 0);
|
||||
crypto_ahash_final(hash);
|
||||
}
|
||||
crypto_hash_final(hash, (u8 *) &data_crc);
|
||||
|
||||
return data_crc;
|
||||
}
|
||||
|
||||
static void iscsit_do_crypto_hash_buf(
|
||||
struct hash_desc *hash,
|
||||
struct ahash_request *hash,
|
||||
const void *buf,
|
||||
u32 payload_length,
|
||||
u32 padding,
|
||||
u8 *pad_bytes,
|
||||
u8 *data_crc)
|
||||
{
|
||||
struct scatterlist sg;
|
||||
struct scatterlist sg[2];
|
||||
|
||||
crypto_hash_init(hash);
|
||||
sg_init_table(sg, ARRAY_SIZE(sg));
|
||||
sg_set_buf(sg, buf, payload_length);
|
||||
sg_set_buf(sg + 1, pad_bytes, padding);
|
||||
|
||||
sg_init_one(&sg, buf, payload_length);
|
||||
crypto_hash_update(hash, &sg, payload_length);
|
||||
ahash_request_set_crypt(hash, sg, data_crc, payload_length + padding);
|
||||
|
||||
if (padding) {
|
||||
sg_init_one(&sg, pad_bytes, padding);
|
||||
crypto_hash_update(hash, &sg, padding);
|
||||
}
|
||||
crypto_hash_final(hash, data_crc);
|
||||
crypto_ahash_digest(hash);
|
||||
}
|
||||
|
||||
int
|
||||
@ -1422,7 +1424,7 @@ iscsit_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
u32 data_crc;
|
||||
|
||||
data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd,
|
||||
data_crc = iscsit_do_crypto_hash_sg(conn->conn_rx_hash, cmd,
|
||||
be32_to_cpu(hdr->offset),
|
||||
payload_length, padding,
|
||||
cmd->pad_bytes);
|
||||
@ -1682,7 +1684,7 @@ static int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
}
|
||||
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_rx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_rx_hash,
|
||||
ping_data, payload_length,
|
||||
padding, cmd->pad_bytes,
|
||||
(u8 *)&data_crc);
|
||||
@ -2101,7 +2103,7 @@ iscsit_handle_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
|
||||
goto reject;
|
||||
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_rx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_rx_hash,
|
||||
text_in, payload_length,
|
||||
padding, (u8 *)&pad_bytes,
|
||||
(u8 *)&data_crc);
|
||||
@ -2440,7 +2442,7 @@ static int iscsit_handle_immediate_data(
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
u32 data_crc;
|
||||
|
||||
data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd,
|
||||
data_crc = iscsit_do_crypto_hash_sg(conn->conn_rx_hash, cmd,
|
||||
cmd->write_data_done, length, padding,
|
||||
cmd->pad_bytes);
|
||||
|
||||
@ -2553,7 +2555,7 @@ static int iscsit_send_conn_drop_async_message(
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
cmd->tx_size += ISCSI_CRC_LEN;
|
||||
@ -2683,7 +2685,7 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->pdu,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -2711,7 +2713,7 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
cmd->padding);
|
||||
}
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
cmd->data_crc = iscsit_do_crypto_hash_sg(&conn->conn_tx_hash, cmd,
|
||||
cmd->data_crc = iscsit_do_crypto_hash_sg(conn->conn_tx_hash, cmd,
|
||||
datain.offset, datain.length, cmd->padding, cmd->pad_bytes);
|
||||
|
||||
iov[iov_count].iov_base = &cmd->data_crc;
|
||||
@ -2857,7 +2859,7 @@ iscsit_send_logout(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, &cmd->pdu[0],
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, &cmd->pdu[0],
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -2915,7 +2917,7 @@ static int iscsit_send_unsolicited_nopin(
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
tx_size += ISCSI_CRC_LEN;
|
||||
@ -2963,7 +2965,7 @@ iscsit_send_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -2993,7 +2995,7 @@ iscsit_send_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
" padding bytes.\n", padding);
|
||||
}
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash,
|
||||
cmd->buf_ptr, cmd->buf_ptr_size,
|
||||
padding, (u8 *)&cmd->pad_bytes,
|
||||
(u8 *)&cmd->data_crc);
|
||||
@ -3049,7 +3051,7 @@ static int iscsit_send_r2t(
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -3239,7 +3241,7 @@ static int iscsit_send_response(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
}
|
||||
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash,
|
||||
cmd->sense_buffer,
|
||||
(cmd->se_cmd.scsi_sense_length + padding),
|
||||
0, NULL, (u8 *)&cmd->data_crc);
|
||||
@ -3262,7 +3264,7 @@ static int iscsit_send_response(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->pdu,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -3332,7 +3334,7 @@ iscsit_send_task_mgt_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -3601,7 +3603,7 @@ static int iscsit_send_text_rsp(
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -3611,7 +3613,7 @@ static int iscsit_send_text_rsp(
|
||||
}
|
||||
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash,
|
||||
cmd->buf_ptr, text_length,
|
||||
0, NULL, (u8 *)&cmd->data_crc);
|
||||
|
||||
@ -3668,7 +3670,7 @@ static int iscsit_send_reject(
|
||||
if (conn->conn_ops->HeaderDigest) {
|
||||
u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
|
||||
|
||||
iov[0].iov_len += ISCSI_CRC_LEN;
|
||||
@ -3678,7 +3680,7 @@ static int iscsit_send_reject(
|
||||
}
|
||||
|
||||
if (conn->conn_ops->DataDigest) {
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->buf_ptr,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->buf_ptr,
|
||||
ISCSI_HDR_LEN, 0, NULL, (u8 *)&cmd->data_crc);
|
||||
|
||||
iov[iov_count].iov_base = &cmd->data_crc;
|
||||
@ -4145,7 +4147,7 @@ int iscsi_target_rx_thread(void *arg)
|
||||
goto transport_err;
|
||||
}
|
||||
|
||||
iscsit_do_crypto_hash_buf(&conn->conn_rx_hash,
|
||||
iscsit_do_crypto_hash_buf(conn->conn_rx_hash,
|
||||
buffer, ISCSI_HDR_LEN,
|
||||
0, NULL, (u8 *)&checksum);
|
||||
|
||||
@ -4359,10 +4361,14 @@ int iscsit_close_connection(
|
||||
*/
|
||||
iscsit_check_conn_usage_count(conn);
|
||||
|
||||
if (conn->conn_rx_hash.tfm)
|
||||
crypto_free_hash(conn->conn_rx_hash.tfm);
|
||||
if (conn->conn_tx_hash.tfm)
|
||||
crypto_free_hash(conn->conn_tx_hash.tfm);
|
||||
ahash_request_free(conn->conn_tx_hash);
|
||||
if (conn->conn_rx_hash) {
|
||||
struct crypto_ahash *tfm;
|
||||
|
||||
tfm = crypto_ahash_reqtfm(conn->conn_rx_hash);
|
||||
ahash_request_free(conn->conn_rx_hash);
|
||||
crypto_free_ahash(tfm);
|
||||
}
|
||||
|
||||
free_cpumask_var(conn->conn_cpumask);
|
||||
|
||||
|
@ -16,9 +16,9 @@
|
||||
* GNU General Public License for more details.
|
||||
******************************************************************************/
|
||||
|
||||
#include <crypto/hash.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/scatterlist.h>
|
||||
|
||||
@ -185,9 +185,8 @@ static int chap_server_compute_md5(
|
||||
unsigned char chap_n[MAX_CHAP_N_SIZE], chap_r[MAX_RESPONSE_LENGTH];
|
||||
size_t compare_len;
|
||||
struct iscsi_chap *chap = conn->auth_protocol;
|
||||
struct crypto_hash *tfm;
|
||||
struct hash_desc desc;
|
||||
struct scatterlist sg;
|
||||
struct crypto_shash *tfm = NULL;
|
||||
struct shash_desc *desc = NULL;
|
||||
int auth_ret = -1, ret, challenge_len;
|
||||
|
||||
memset(identifier, 0, 10);
|
||||
@ -245,52 +244,47 @@ static int chap_server_compute_md5(
|
||||
pr_debug("[server] Got CHAP_R=%s\n", chap_r);
|
||||
chap_string_to_hex(client_digest, chap_r, strlen(chap_r));
|
||||
|
||||
tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
|
||||
tfm = crypto_alloc_shash("md5", 0, 0);
|
||||
if (IS_ERR(tfm)) {
|
||||
pr_err("Unable to allocate struct crypto_hash\n");
|
||||
goto out;
|
||||
}
|
||||
desc.tfm = tfm;
|
||||
desc.flags = 0;
|
||||
|
||||
ret = crypto_hash_init(&desc);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_init() failed\n");
|
||||
crypto_free_hash(tfm);
|
||||
tfm = NULL;
|
||||
pr_err("Unable to allocate struct crypto_shash\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
sg_init_one(&sg, &chap->id, 1);
|
||||
ret = crypto_hash_update(&desc, &sg, 1);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for id\n");
|
||||
crypto_free_hash(tfm);
|
||||
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
|
||||
if (!desc) {
|
||||
pr_err("Unable to allocate struct shash_desc\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
sg_init_one(&sg, &auth->password, strlen(auth->password));
|
||||
ret = crypto_hash_update(&desc, &sg, strlen(auth->password));
|
||||
desc->tfm = tfm;
|
||||
desc->flags = 0;
|
||||
|
||||
ret = crypto_shash_init(desc);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for password\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_init() failed\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
sg_init_one(&sg, chap->challenge, CHAP_CHALLENGE_LENGTH);
|
||||
ret = crypto_hash_update(&desc, &sg, CHAP_CHALLENGE_LENGTH);
|
||||
ret = crypto_shash_update(desc, &chap->id, 1);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for challenge\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_update() failed for id\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = crypto_hash_final(&desc, server_digest);
|
||||
ret = crypto_shash_update(desc, (char *)&auth->password,
|
||||
strlen(auth->password));
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_final() failed for server digest\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_update() failed for password\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = crypto_shash_finup(desc, chap->challenge,
|
||||
CHAP_CHALLENGE_LENGTH, server_digest);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_shash_finup() failed for challenge\n");
|
||||
goto out;
|
||||
}
|
||||
crypto_free_hash(tfm);
|
||||
|
||||
chap_binaryhex_to_asciihex(response, server_digest, MD5_SIGNATURE_SIZE);
|
||||
pr_debug("[server] MD5 Server Digest: %s\n", response);
|
||||
@ -306,9 +300,8 @@ static int chap_server_compute_md5(
|
||||
* authentication is not enabled.
|
||||
*/
|
||||
if (!auth->authenticate_target) {
|
||||
kfree(challenge);
|
||||
kfree(challenge_binhex);
|
||||
return 0;
|
||||
auth_ret = 0;
|
||||
goto out;
|
||||
}
|
||||
/*
|
||||
* Get CHAP_I.
|
||||
@ -372,58 +365,37 @@ static int chap_server_compute_md5(
|
||||
/*
|
||||
* Generate CHAP_N and CHAP_R for mutual authentication.
|
||||
*/
|
||||
tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
|
||||
if (IS_ERR(tfm)) {
|
||||
pr_err("Unable to allocate struct crypto_hash\n");
|
||||
goto out;
|
||||
}
|
||||
desc.tfm = tfm;
|
||||
desc.flags = 0;
|
||||
|
||||
ret = crypto_hash_init(&desc);
|
||||
ret = crypto_shash_init(desc);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_init() failed\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_init() failed\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* To handle both endiannesses */
|
||||
id_as_uchar = id;
|
||||
sg_init_one(&sg, &id_as_uchar, 1);
|
||||
ret = crypto_hash_update(&desc, &sg, 1);
|
||||
ret = crypto_shash_update(desc, &id_as_uchar, 1);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for id\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_update() failed for id\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
sg_init_one(&sg, auth->password_mutual,
|
||||
strlen(auth->password_mutual));
|
||||
ret = crypto_hash_update(&desc, &sg, strlen(auth->password_mutual));
|
||||
ret = crypto_shash_update(desc, auth->password_mutual,
|
||||
strlen(auth->password_mutual));
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for"
|
||||
pr_err("crypto_shash_update() failed for"
|
||||
" password_mutual\n");
|
||||
crypto_free_hash(tfm);
|
||||
goto out;
|
||||
}
|
||||
/*
|
||||
* Convert received challenge to binary hex.
|
||||
*/
|
||||
sg_init_one(&sg, challenge_binhex, challenge_len);
|
||||
ret = crypto_hash_update(&desc, &sg, challenge_len);
|
||||
ret = crypto_shash_finup(desc, challenge_binhex, challenge_len,
|
||||
digest);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_update() failed for ma challenge\n");
|
||||
crypto_free_hash(tfm);
|
||||
pr_err("crypto_shash_finup() failed for ma challenge\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = crypto_hash_final(&desc, digest);
|
||||
if (ret < 0) {
|
||||
pr_err("crypto_hash_final() failed for ma digest\n");
|
||||
crypto_free_hash(tfm);
|
||||
goto out;
|
||||
}
|
||||
crypto_free_hash(tfm);
|
||||
/*
|
||||
* Generate CHAP_N and CHAP_R.
|
||||
*/
|
||||
@ -440,6 +412,8 @@ static int chap_server_compute_md5(
|
||||
pr_debug("[server] Sending CHAP_R=0x%s\n", response);
|
||||
auth_ret = 0;
|
||||
out:
|
||||
kzfree(desc);
|
||||
crypto_free_shash(tfm);
|
||||
kfree(challenge);
|
||||
kfree(challenge_binhex);
|
||||
return auth_ret;
|
||||
|
@ -16,9 +16,9 @@
|
||||
* GNU General Public License for more details.
|
||||
******************************************************************************/
|
||||
|
||||
#include <crypto/hash.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/idr.h>
|
||||
#include <scsi/iscsi_proto.h>
|
||||
#include <target/target_core_base.h>
|
||||
@ -115,27 +115,36 @@ static struct iscsi_login *iscsi_login_init_conn(struct iscsi_conn *conn)
|
||||
*/
|
||||
int iscsi_login_setup_crypto(struct iscsi_conn *conn)
|
||||
{
|
||||
struct crypto_ahash *tfm;
|
||||
|
||||
/*
|
||||
* Setup slicing by CRC32C algorithm for RX and TX libcrypto contexts
|
||||
* which will default to crc32c_intel.ko for cpu_has_xmm4_2, or fallback
|
||||
* to software 1x8 byte slicing from crc32c.ko
|
||||
*/
|
||||
conn->conn_rx_hash.flags = 0;
|
||||
conn->conn_rx_hash.tfm = crypto_alloc_hash("crc32c", 0,
|
||||
CRYPTO_ALG_ASYNC);
|
||||
if (IS_ERR(conn->conn_rx_hash.tfm)) {
|
||||
pr_err("crypto_alloc_hash() failed for conn_rx_tfm\n");
|
||||
tfm = crypto_alloc_ahash("crc32c", 0, CRYPTO_ALG_ASYNC);
|
||||
if (IS_ERR(tfm)) {
|
||||
pr_err("crypto_alloc_ahash() failed\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
conn->conn_tx_hash.flags = 0;
|
||||
conn->conn_tx_hash.tfm = crypto_alloc_hash("crc32c", 0,
|
||||
CRYPTO_ALG_ASYNC);
|
||||
if (IS_ERR(conn->conn_tx_hash.tfm)) {
|
||||
pr_err("crypto_alloc_hash() failed for conn_tx_tfm\n");
|
||||
crypto_free_hash(conn->conn_rx_hash.tfm);
|
||||
conn->conn_rx_hash = ahash_request_alloc(tfm, GFP_KERNEL);
|
||||
if (!conn->conn_rx_hash) {
|
||||
pr_err("ahash_request_alloc() failed for conn_rx_hash\n");
|
||||
crypto_free_ahash(tfm);
|
||||
return -ENOMEM;
|
||||
}
|
||||
ahash_request_set_callback(conn->conn_rx_hash, 0, NULL, NULL);
|
||||
|
||||
conn->conn_tx_hash = ahash_request_alloc(tfm, GFP_KERNEL);
|
||||
if (!conn->conn_tx_hash) {
|
||||
pr_err("ahash_request_alloc() failed for conn_tx_hash\n");
|
||||
ahash_request_free(conn->conn_rx_hash);
|
||||
conn->conn_rx_hash = NULL;
|
||||
crypto_free_ahash(tfm);
|
||||
return -ENOMEM;
|
||||
}
|
||||
ahash_request_set_callback(conn->conn_tx_hash, 0, NULL, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1174,10 +1183,14 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn,
|
||||
iscsit_dec_session_usage_count(conn->sess);
|
||||
}
|
||||
|
||||
if (!IS_ERR(conn->conn_rx_hash.tfm))
|
||||
crypto_free_hash(conn->conn_rx_hash.tfm);
|
||||
if (!IS_ERR(conn->conn_tx_hash.tfm))
|
||||
crypto_free_hash(conn->conn_tx_hash.tfm);
|
||||
ahash_request_free(conn->conn_tx_hash);
|
||||
if (conn->conn_rx_hash) {
|
||||
struct crypto_ahash *tfm;
|
||||
|
||||
tfm = crypto_ahash_reqtfm(conn->conn_rx_hash);
|
||||
ahash_request_free(conn->conn_rx_hash);
|
||||
crypto_free_ahash(tfm);
|
||||
}
|
||||
|
||||
free_cpumask_var(conn->conn_cpumask);
|
||||
|
||||
|
@ -570,8 +570,8 @@ struct iscsi_conn {
|
||||
spinlock_t response_queue_lock;
|
||||
spinlock_t state_lock;
|
||||
/* libcrypto RX and TX contexts for crc32c */
|
||||
struct hash_desc conn_rx_hash;
|
||||
struct hash_desc conn_tx_hash;
|
||||
struct ahash_request *conn_rx_hash;
|
||||
struct ahash_request *conn_tx_hash;
|
||||
/* Used for scheduling TX and RX connection kthreads */
|
||||
cpumask_var_t conn_cpumask;
|
||||
unsigned int conn_rx_reset_cpumask:1;
|
||||
|
Loading…
Reference in New Issue
Block a user