LCOV - code coverage report
Current view: top level - lib/nvmf - auth.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 502 0.0 %
Date: 2024-07-15 10:02:38 Functions: 0 29 0.0 %

          Line data    Source code
       1             : /* SPDX-License-Identifier: BSD-3-Clause
       2             :  * Copyright (c) 2024 Intel Corporation
       3             :  */
       4             : 
       5             : #include "spdk/nvme.h"
       6             : #include "spdk/json.h"
       7             : #include "spdk/log.h"
       8             : #include "spdk/stdinc.h"
       9             : #include "spdk/string.h"
      10             : #include "spdk/thread.h"
      11             : #include "spdk/util.h"
      12             : #include "spdk_internal/nvme.h"
      13             : 
      14             : #include <openssl/rand.h>
      15             : 
      16             : #include "nvmf_internal.h"
      17             : 
      18             : #define NVMF_AUTH_DEFAULT_KATO_US (120ull * 1000 * 1000)
      19             : #define NVMF_AUTH_DIGEST_MAX_SIZE 64
      20             : #define NVMF_AUTH_DH_KEY_MAX_SIZE 1024
      21             : 
      22             : #define AUTH_ERRLOG(q, fmt, ...) \
      23             :         SPDK_ERRLOG("[%s:%s:%u] " fmt, (q)->ctrlr->subsys->subnqn, (q)->ctrlr->hostnqn, \
      24             :                     (q)->qid, ## __VA_ARGS__)
      25             : #define AUTH_DEBUGLOG(q, fmt, ...) \
      26             :         SPDK_DEBUGLOG(nvmf_auth, "[%s:%s:%u] " fmt, \
      27             :                       (q)->ctrlr->subsys->subnqn, (q)->ctrlr->hostnqn, (q)->qid, ## __VA_ARGS__)
      28             : #define AUTH_LOGDUMP(msg, buf, len) \
      29             :         SPDK_LOGDUMP(nvmf_auth, msg, buf, len)
      30             : 
      31             : enum nvmf_qpair_auth_state {
      32             :         NVMF_QPAIR_AUTH_NEGOTIATE,
      33             :         NVMF_QPAIR_AUTH_CHALLENGE,
      34             :         NVMF_QPAIR_AUTH_REPLY,
      35             :         NVMF_QPAIR_AUTH_SUCCESS1,
      36             :         NVMF_QPAIR_AUTH_SUCCESS2,
      37             :         NVMF_QPAIR_AUTH_FAILURE1,
      38             :         NVMF_QPAIR_AUTH_COMPLETED,
      39             :         NVMF_QPAIR_AUTH_ERROR,
      40             : };
      41             : 
      42             : struct spdk_nvmf_qpair_auth {
      43             :         enum nvmf_qpair_auth_state      state;
      44             :         struct spdk_poller              *poller;
      45             :         int                             fail_reason;
      46             :         uint16_t                        tid;
      47             :         int                             digest;
      48             :         int                             dhgroup;
      49             :         uint8_t                         cval[NVMF_AUTH_DIGEST_MAX_SIZE];
      50             :         uint32_t                        seqnum;
      51             :         struct spdk_nvme_dhchap_dhkey   *dhkey;
      52             :         bool                            cvalid;
      53             : };
      54             : 
      55             : struct nvmf_auth_common_header {
      56             :         uint8_t         auth_type;
      57             :         uint8_t         auth_id;
      58             :         uint8_t         reserved0[2];
      59             :         uint16_t        t_id;
      60             : };
      61             : 
      62             : static void
      63           0 : nvmf_auth_request_complete(struct spdk_nvmf_request *req, int sct, int sc, int dnr)
      64             : {
      65           0 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
      66             : 
      67           0 :         response->status.sct = sct;
      68           0 :         response->status.sc = sc;
      69           0 :         response->status.dnr = dnr;
      70             : 
      71           0 :         spdk_nvmf_request_complete(req);
      72           0 : }
      73             : 
      74             : static const char *
      75           0 : nvmf_auth_get_state_name(enum nvmf_qpair_auth_state state)
      76             : {
      77             :         static const char *state_names[] = {
      78             :                 [NVMF_QPAIR_AUTH_NEGOTIATE] = "negotiate",
      79             :                 [NVMF_QPAIR_AUTH_CHALLENGE] = "challenge",
      80             :                 [NVMF_QPAIR_AUTH_REPLY] = "reply",
      81             :                 [NVMF_QPAIR_AUTH_SUCCESS1] = "success1",
      82             :                 [NVMF_QPAIR_AUTH_SUCCESS2] = "success2",
      83             :                 [NVMF_QPAIR_AUTH_FAILURE1] = "failure1",
      84             :                 [NVMF_QPAIR_AUTH_COMPLETED] = "completed",
      85             :                 [NVMF_QPAIR_AUTH_ERROR] = "error",
      86             :         };
      87             : 
      88           0 :         return state_names[state];
      89             : }
      90             : 
      91             : static void
      92           0 : nvmf_auth_set_state(struct spdk_nvmf_qpair *qpair, enum nvmf_qpair_auth_state state)
      93             : {
      94           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
      95             : 
      96           0 :         if (auth->state == state) {
      97           0 :                 return;
      98             :         }
      99             : 
     100           0 :         AUTH_DEBUGLOG(qpair, "auth state: %s\n", nvmf_auth_get_state_name(state));
     101           0 :         auth->state = state;
     102             : }
     103             : 
     104             : static void
     105           0 : nvmf_auth_disconnect_qpair(struct spdk_nvmf_qpair *qpair)
     106             : {
     107           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_ERROR);
     108           0 :         spdk_nvmf_qpair_disconnect(qpair);
     109           0 : }
     110             : 
     111             : static void
     112           0 : nvmf_auth_request_fail1(struct spdk_nvmf_request *req, int reason)
     113             : {
     114           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     115           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     116             : 
     117           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_FAILURE1);
     118           0 :         auth->fail_reason = reason;
     119             : 
     120             :         /* The command itself is completed successfully, but a subsequent AUTHENTICATION_RECV
     121             :          * command will be completed with an AUTH_failure1 message
     122             :          */
     123           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     124           0 : }
     125             : 
     126             : static bool
     127           0 : nvmf_auth_digest_allowed(struct spdk_nvmf_qpair *qpair, uint8_t digest)
     128             : {
     129           0 :         struct spdk_nvmf_tgt *tgt = qpair->group->tgt;
     130             : 
     131           0 :         return tgt->dhchap_digests & SPDK_BIT(digest);
     132             : }
     133             : 
     134             : static bool
     135           0 : nvmf_auth_dhgroup_allowed(struct spdk_nvmf_qpair *qpair, uint8_t dhgroup)
     136             : {
     137           0 :         struct spdk_nvmf_tgt *tgt = qpair->group->tgt;
     138             : 
     139           0 :         return tgt->dhchap_dhgroups & SPDK_BIT(dhgroup);
     140             : }
     141             : 
     142             : static int
     143           0 : nvmf_auth_timeout_poller(void *ctx)
     144             : {
     145           0 :         struct spdk_nvmf_qpair *qpair = ctx;
     146           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     147             : 
     148           0 :         AUTH_ERRLOG(qpair, "authentication timed out\n");
     149             : 
     150           0 :         spdk_poller_unregister(&auth->poller);
     151           0 :         nvmf_auth_disconnect_qpair(qpair);
     152             : 
     153           0 :         return SPDK_POLLER_BUSY;
     154             : }
     155             : 
     156             : static int
     157           0 : nvmf_auth_rearm_poller(struct spdk_nvmf_qpair *qpair)
     158             : {
     159           0 :         struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
     160           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     161             :         uint64_t timeout;
     162             : 
     163           0 :         timeout = ctrlr->feat.keep_alive_timer.bits.kato > 0 ?
     164           0 :                   ctrlr->feat.keep_alive_timer.bits.kato * 1000 :
     165             :                   NVMF_AUTH_DEFAULT_KATO_US;
     166             : 
     167           0 :         spdk_poller_unregister(&auth->poller);
     168           0 :         auth->poller = SPDK_POLLER_REGISTER(nvmf_auth_timeout_poller, qpair, timeout);
     169           0 :         if (auth->poller == NULL) {
     170           0 :                 return -ENOMEM;
     171             :         }
     172             : 
     173           0 :         return 0;
     174             : }
     175             : 
     176             : static void
     177           0 : nvmf_auth_qpair_cleanup(struct spdk_nvmf_qpair_auth *auth)
     178             : {
     179           0 :         spdk_poller_unregister(&auth->poller);
     180           0 :         spdk_nvme_dhchap_dhkey_free(&auth->dhkey);
     181           0 : }
     182             : 
     183             : static int
     184           0 : nvmf_auth_check_command(struct spdk_nvmf_request *req, uint8_t secp,
     185             :                         uint8_t spsp0, uint8_t spsp1, uint32_t len)
     186             : {
     187           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     188             : 
     189           0 :         if (secp != SPDK_NVMF_AUTH_SECP_NVME) {
     190           0 :                 AUTH_ERRLOG(qpair, "invalid secp=%u\n", secp);
     191           0 :                 return -EINVAL;
     192             :         }
     193           0 :         if (spsp0 != 1 || spsp1 != 1) {
     194           0 :                 AUTH_ERRLOG(qpair, "invalid spsp0=%u, spsp1=%u\n", spsp0, spsp1);
     195           0 :                 return -EINVAL;
     196             :         }
     197           0 :         if (len != req->length) {
     198           0 :                 AUTH_ERRLOG(qpair, "invalid length: %"PRIu32" != %"PRIu32"\n", len, req->length);
     199           0 :                 return -EINVAL;
     200             :         }
     201             : 
     202           0 :         return 0;
     203             : }
     204             : 
     205             : static void *
     206           0 : nvmf_auth_get_message(struct spdk_nvmf_request *req, size_t size)
     207             : {
     208           0 :         if (req->length > 0 && req->iovcnt == 1 && req->iov[0].iov_len >= size) {
     209           0 :                 return req->iov[0].iov_base;
     210             :         }
     211             : 
     212           0 :         return NULL;
     213             : }
     214             : 
     215             : static void
     216           0 : nvmf_auth_negotiate_exec(struct spdk_nvmf_request *req, struct spdk_nvmf_auth_negotiate *msg)
     217             : {
     218           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     219           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     220           0 :         struct spdk_nvmf_auth_descriptor *desc = NULL;
     221             :         /* These arrays are sorted from the strongest hash/dhgroup to the weakest, so the strongest
     222             :          * hash/dhgroup pair supported by the host is always selected
     223             :          */
     224           0 :         enum spdk_nvmf_dhchap_hash digests[] = {
     225             :                 SPDK_NVMF_DHCHAP_HASH_SHA512,
     226             :                 SPDK_NVMF_DHCHAP_HASH_SHA384,
     227             :                 SPDK_NVMF_DHCHAP_HASH_SHA256
     228             :         };
     229           0 :         enum spdk_nvmf_dhchap_dhgroup dhgroups[] = {
     230             :                 SPDK_NVMF_DHCHAP_DHGROUP_8192,
     231             :                 SPDK_NVMF_DHCHAP_DHGROUP_6144,
     232             :                 SPDK_NVMF_DHCHAP_DHGROUP_4096,
     233             :                 SPDK_NVMF_DHCHAP_DHGROUP_3072,
     234             :                 SPDK_NVMF_DHCHAP_DHGROUP_2048,
     235             :                 SPDK_NVMF_DHCHAP_DHGROUP_NULL,
     236             :         };
     237           0 :         int digest = -1, dhgroup = -1;
     238             :         size_t i, j;
     239             : 
     240           0 :         if (auth->state != NVMF_QPAIR_AUTH_NEGOTIATE) {
     241           0 :                 AUTH_ERRLOG(qpair, "invalid state: %s\n", nvmf_auth_get_state_name(auth->state));
     242           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     243           0 :                 return;
     244             :         }
     245             : 
     246           0 :         auth->tid = msg->t_id;
     247           0 :         if (req->length < sizeof(*msg) || req->length != sizeof(*msg) + msg->napd * sizeof(*desc)) {
     248           0 :                 AUTH_ERRLOG(qpair, "invalid message length: %"PRIu32"\n", req->length);
     249           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     250           0 :                 return;
     251             :         }
     252             : 
     253           0 :         if (msg->sc_c != SPDK_NVMF_AUTH_SCC_DISABLED) {
     254           0 :                 AUTH_ERRLOG(qpair, "scc mismatch\n");
     255           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_SCC_MISMATCH);
     256           0 :                 return;
     257             :         }
     258             : 
     259           0 :         for (i = 0; i < msg->napd; ++i) {
     260           0 :                 if (msg->descriptors[i].auth_id == SPDK_NVMF_AUTH_TYPE_DHCHAP) {
     261           0 :                         desc = &msg->descriptors[i];
     262           0 :                         break;
     263             :                 }
     264             :         }
     265           0 :         if (desc == NULL) {
     266           0 :                 AUTH_ERRLOG(qpair, "no usable protocol found\n");
     267           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_PROTOCOL_UNUSABLE);
     268           0 :                 return;
     269             :         }
     270           0 :         if (desc->halen > SPDK_COUNTOF(desc->hash_id_list) ||
     271           0 :             desc->dhlen > SPDK_COUNTOF(desc->dhg_id_list)) {
     272           0 :                 AUTH_ERRLOG(qpair, "invalid halen=%u, dhlen=%u\n", desc->halen, desc->dhlen);
     273           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     274           0 :                 return;
     275             :         }
     276             : 
     277           0 :         for (i = 0; i < SPDK_COUNTOF(digests); ++i) {
     278           0 :                 if (!nvmf_auth_digest_allowed(qpair, digests[i])) {
     279           0 :                         continue;
     280             :                 }
     281           0 :                 for (j = 0; j < desc->halen; ++j) {
     282           0 :                         if (digests[i] == desc->hash_id_list[j]) {
     283           0 :                                 AUTH_DEBUGLOG(qpair, "selected digest: %s\n",
     284             :                                               spdk_nvme_dhchap_get_digest_name(digests[i]));
     285           0 :                                 digest = digests[i];
     286           0 :                                 break;
     287             :                         }
     288             :                 }
     289           0 :                 if (digest >= 0) {
     290           0 :                         break;
     291             :                 }
     292             :         }
     293           0 :         if (digest < 0) {
     294           0 :                 AUTH_ERRLOG(qpair, "no usable digests found\n");
     295           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_HASH_UNUSABLE);
     296           0 :                 return;
     297             :         }
     298             : 
     299           0 :         for (i = 0; i < SPDK_COUNTOF(dhgroups); ++i) {
     300           0 :                 if (!nvmf_auth_dhgroup_allowed(qpair, dhgroups[i])) {
     301           0 :                         continue;
     302             :                 }
     303           0 :                 for (j = 0; j < desc->dhlen; ++j) {
     304           0 :                         if (dhgroups[i] == desc->dhg_id_list[j]) {
     305           0 :                                 AUTH_DEBUGLOG(qpair, "selected dhgroup: %s\n",
     306             :                                               spdk_nvme_dhchap_get_dhgroup_name(dhgroups[i]));
     307           0 :                                 dhgroup = dhgroups[i];
     308           0 :                                 break;
     309             :                         }
     310             :                 }
     311           0 :                 if (dhgroup >= 0) {
     312           0 :                         break;
     313             :                 }
     314             :         }
     315           0 :         if (dhgroup < 0) {
     316           0 :                 AUTH_ERRLOG(qpair, "no usable dhgroups found\n");
     317           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_DHGROUP_UNUSABLE);
     318           0 :                 return;
     319             :         }
     320             : 
     321           0 :         if (nvmf_auth_rearm_poller(qpair)) {
     322           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     323             :                                            SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, 1);
     324           0 :                 nvmf_auth_disconnect_qpair(qpair);
     325           0 :                 return;
     326             :         }
     327             : 
     328           0 :         auth->digest = digest;
     329           0 :         auth->dhgroup = dhgroup;
     330           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_CHALLENGE);
     331           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     332             : }
     333             : 
     334             : static void
     335           0 : nvmf_auth_reply_exec(struct spdk_nvmf_request *req, struct spdk_nvmf_dhchap_reply *msg)
     336             : {
     337           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     338           0 :         struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
     339           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     340           0 :         uint8_t response[NVMF_AUTH_DIGEST_MAX_SIZE];
     341           0 :         uint8_t dhsec[NVMF_AUTH_DH_KEY_MAX_SIZE];
     342           0 :         struct spdk_key *key = NULL, *ckey = NULL;
     343           0 :         size_t dhseclen = 0;
     344             :         uint8_t hl;
     345             :         int rc;
     346             : 
     347           0 :         if (auth->state != NVMF_QPAIR_AUTH_REPLY) {
     348           0 :                 AUTH_ERRLOG(qpair, "invalid state=%s\n", nvmf_auth_get_state_name(auth->state));
     349           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     350           0 :                 goto out;
     351             :         }
     352           0 :         if (req->length < sizeof(*msg)) {
     353           0 :                 AUTH_ERRLOG(qpair, "invalid message length=%"PRIu32"\n", req->length);
     354           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     355           0 :                 goto out;
     356             :         }
     357             : 
     358           0 :         hl = spdk_nvme_dhchap_get_digest_length(auth->digest);
     359           0 :         if (hl == 0 || msg->hl != hl) {
     360           0 :                 AUTH_ERRLOG(qpair, "hash length mismatch: %u != %u\n", msg->hl, hl);
     361           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     362           0 :                 goto out;
     363             :         }
     364           0 :         if ((msg->dhvlen % 4) != 0) {
     365           0 :                 AUTH_ERRLOG(qpair, "dhvlen=%u is not multiple of 4\n", msg->dhvlen);
     366           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     367           0 :                 goto out;
     368             :         }
     369           0 :         if (req->length != sizeof(*msg) + 2 * hl + msg->dhvlen) {
     370           0 :                 AUTH_ERRLOG(qpair, "invalid message length: %"PRIu32" != %zu\n",
     371             :                             req->length, sizeof(*msg) + 2 * hl);
     372           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     373           0 :                 goto out;
     374             :         }
     375           0 :         if (msg->t_id != auth->tid) {
     376           0 :                 AUTH_ERRLOG(qpair, "transaction id mismatch: %u != %u\n", msg->t_id, auth->tid);
     377           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     378           0 :                 goto out;
     379             :         }
     380           0 :         if (msg->cvalid != 0 && msg->cvalid != 1) {
     381           0 :                 AUTH_ERRLOG(qpair, "unexpected cvalid=%d\n", msg->cvalid);
     382           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     383           0 :                 goto out;
     384             :         }
     385           0 :         if (msg->cvalid && msg->seqnum == 0) {
     386           0 :                 AUTH_ERRLOG(qpair, "unexpected seqnum=0 with cvalid=1\n");
     387           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     388           0 :                 goto out;
     389             :         }
     390             : 
     391           0 :         key = nvmf_subsystem_get_dhchap_key(ctrlr->subsys, ctrlr->hostnqn, NVMF_AUTH_KEY_HOST);
     392           0 :         if (key == NULL) {
     393           0 :                 AUTH_ERRLOG(qpair, "couldn't get DH-HMAC-CHAP key\n");
     394           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     395           0 :                 goto out;
     396             :         }
     397             : 
     398           0 :         if (auth->dhgroup != SPDK_NVMF_DHCHAP_DHGROUP_NULL) {
     399           0 :                 AUTH_LOGDUMP("host pubkey:", &msg->rval[2 * hl], msg->dhvlen);
     400           0 :                 dhseclen = sizeof(dhsec);
     401           0 :                 rc = spdk_nvme_dhchap_dhkey_derive_secret(auth->dhkey, &msg->rval[2 * hl],
     402           0 :                                 msg->dhvlen, dhsec, &dhseclen);
     403           0 :                 if (rc != 0) {
     404           0 :                         AUTH_ERRLOG(qpair, "couldn't derive DH secret\n");
     405           0 :                         nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     406           0 :                         goto out;
     407             :                 }
     408             : 
     409           0 :                 AUTH_LOGDUMP("dh secret:", dhsec, dhseclen);
     410             :         }
     411             : 
     412           0 :         assert(hl <= sizeof(response) && hl <= sizeof(auth->cval));
     413           0 :         rc = spdk_nvme_dhchap_calculate(key, (enum spdk_nvmf_dhchap_hash)auth->digest,
     414           0 :                                         "HostHost", auth->seqnum, auth->tid, 0,
     415           0 :                                         ctrlr->hostnqn, ctrlr->subsys->subnqn,
     416           0 :                                         dhseclen > 0 ? dhsec : NULL, dhseclen,
     417           0 :                                         auth->cval, response);
     418           0 :         if (rc != 0) {
     419           0 :                 AUTH_ERRLOG(qpair, "failed to calculate challenge response: %s\n",
     420             :                             spdk_strerror(-rc));
     421           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     422           0 :                 goto out;
     423             :         }
     424             : 
     425           0 :         if (memcmp(msg->rval, response, hl) != 0) {
     426           0 :                 AUTH_ERRLOG(qpair, "challenge response mismatch\n");
     427           0 :                 AUTH_LOGDUMP("response:", msg->rval, hl);
     428           0 :                 AUTH_LOGDUMP("expected:", response, hl);
     429           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     430           0 :                 goto out;
     431             :         }
     432             : 
     433           0 :         if (msg->cvalid) {
     434           0 :                 ckey = nvmf_subsystem_get_dhchap_key(ctrlr->subsys, ctrlr->hostnqn,
     435             :                                                      NVMF_AUTH_KEY_CTRLR);
     436           0 :                 if (ckey == NULL) {
     437           0 :                         AUTH_ERRLOG(qpair, "missing DH-HMAC-CHAP ctrlr key\n");
     438           0 :                         nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     439           0 :                         goto out;
     440             :                 }
     441           0 :                 rc = spdk_nvme_dhchap_calculate(ckey, (enum spdk_nvmf_dhchap_hash)auth->digest,
     442           0 :                                                 "Controller", msg->seqnum, auth->tid, 0,
     443           0 :                                                 ctrlr->subsys->subnqn, ctrlr->hostnqn,
     444           0 :                                                 dhseclen > 0 ? dhsec : NULL, dhseclen,
     445           0 :                                                 &msg->rval[hl], auth->cval);
     446           0 :                 if (rc != 0) {
     447           0 :                         AUTH_ERRLOG(qpair, "failed to calculate ctrlr challenge response: %s\n",
     448             :                                     spdk_strerror(-rc));
     449           0 :                         nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_FAILED);
     450           0 :                         goto out;
     451             :                 }
     452           0 :                 auth->cvalid = true;
     453             :         }
     454             : 
     455           0 :         if (nvmf_auth_rearm_poller(qpair)) {
     456           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     457             :                                            SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, 1);
     458           0 :                 nvmf_auth_disconnect_qpair(qpair);
     459           0 :                 goto out;
     460             :         }
     461             : 
     462           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_SUCCESS1);
     463           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     464           0 : out:
     465           0 :         spdk_keyring_put_key(ckey);
     466           0 :         spdk_keyring_put_key(key);
     467           0 : }
     468             : 
     469             : static void
     470           0 : nvmf_auth_success2_exec(struct spdk_nvmf_request *req, struct spdk_nvmf_dhchap_success2 *msg)
     471             : {
     472           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     473           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     474             : 
     475           0 :         if (auth->state != NVMF_QPAIR_AUTH_SUCCESS2) {
     476           0 :                 AUTH_ERRLOG(qpair, "invalid state=%s\n", nvmf_auth_get_state_name(auth->state));
     477           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     478           0 :                 return;
     479             :         }
     480           0 :         if (req->length != sizeof(*msg)) {
     481           0 :                 AUTH_ERRLOG(qpair, "invalid message length=%"PRIu32"\n", req->length);
     482           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     483           0 :                 return;
     484             :         }
     485           0 :         if (msg->t_id != auth->tid) {
     486           0 :                 AUTH_ERRLOG(qpair, "transaction id mismatch: %u != %u\n", msg->t_id, auth->tid);
     487           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     488           0 :                 return;
     489             :         }
     490             : 
     491           0 :         AUTH_DEBUGLOG(qpair, "controller authentication successful\n");
     492           0 :         nvmf_qpair_set_state(qpair, SPDK_NVMF_QPAIR_ENABLED);
     493           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_COMPLETED);
     494           0 :         nvmf_auth_qpair_cleanup(auth);
     495           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     496             : }
     497             : 
     498             : static void
     499           0 : nvmf_auth_failure2_exec(struct spdk_nvmf_request *req, struct spdk_nvmf_auth_failure *msg)
     500             : {
     501           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     502           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     503             : 
     504             :         /* AUTH_failure2 is only expected when we're waiting for the success2 message */
     505           0 :         if (auth->state != NVMF_QPAIR_AUTH_SUCCESS2) {
     506           0 :                 AUTH_ERRLOG(qpair, "invalid state=%s\n", nvmf_auth_get_state_name(auth->state));
     507           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     508           0 :                 return;
     509             :         }
     510           0 :         if (req->length != sizeof(*msg)) {
     511           0 :                 AUTH_ERRLOG(qpair, "invalid message length=%"PRIu32"\n", req->length);
     512           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     513           0 :                 return;
     514             :         }
     515           0 :         if (msg->t_id != auth->tid) {
     516           0 :                 AUTH_ERRLOG(qpair, "transaction id mismatch: %u != %u\n", msg->t_id, auth->tid);
     517           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     518           0 :                 return;
     519             :         }
     520             : 
     521           0 :         AUTH_ERRLOG(qpair, "ctrlr authentication failed: rc=%d, rce=%d\n", msg->rc, msg->rce);
     522           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_ERROR);
     523           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     524             : }
     525             : 
     526             : static void
     527           0 : nvmf_auth_send_exec(struct spdk_nvmf_request *req)
     528             : {
     529           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     530           0 :         struct spdk_nvmf_fabric_auth_send_cmd *cmd = &req->cmd->auth_send_cmd;
     531             :         struct nvmf_auth_common_header *header;
     532             :         int rc;
     533             : 
     534           0 :         rc = nvmf_auth_check_command(req, cmd->secp, cmd->spsp0, cmd->spsp1, cmd->tl);
     535           0 :         if (rc != 0) {
     536           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     537             :                                            SPDK_NVME_SC_INVALID_FIELD, 1);
     538           0 :                 return;
     539             :         }
     540             : 
     541           0 :         header = nvmf_auth_get_message(req, sizeof(*header));
     542           0 :         if (header == NULL) {
     543           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PAYLOAD);
     544           0 :                 return;
     545             :         }
     546             : 
     547           0 :         switch (header->auth_type) {
     548           0 :         case SPDK_NVMF_AUTH_TYPE_COMMON_MESSAGE:
     549           0 :                 switch (header->auth_id) {
     550           0 :                 case SPDK_NVMF_AUTH_ID_NEGOTIATE:
     551           0 :                         nvmf_auth_negotiate_exec(req, (void *)header);
     552           0 :                         break;
     553           0 :                 case SPDK_NVMF_AUTH_ID_FAILURE2:
     554           0 :                         nvmf_auth_failure2_exec(req, (void *)header);
     555           0 :                         break;
     556           0 :                 default:
     557           0 :                         AUTH_ERRLOG(qpair, "unexpected auth_id=%u\n", header->auth_id);
     558           0 :                         nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     559           0 :                         break;
     560             :                 }
     561           0 :                 break;
     562           0 :         case SPDK_NVMF_AUTH_TYPE_DHCHAP:
     563           0 :                 switch (header->auth_id) {
     564           0 :                 case SPDK_NVMF_AUTH_ID_DHCHAP_REPLY:
     565           0 :                         nvmf_auth_reply_exec(req, (void *)header);
     566           0 :                         break;
     567           0 :                 case SPDK_NVMF_AUTH_ID_DHCHAP_SUCCESS2:
     568           0 :                         nvmf_auth_success2_exec(req, (void *)header);
     569           0 :                         break;
     570           0 :                 default:
     571           0 :                         AUTH_ERRLOG(qpair, "unexpected auth_id=%u\n", header->auth_id);
     572           0 :                         nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     573           0 :                         break;
     574             :                 }
     575           0 :                 break;
     576           0 :         default:
     577           0 :                 AUTH_ERRLOG(qpair, "unexpected auth_type=%u\n", header->auth_type);
     578           0 :                 nvmf_auth_request_fail1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     579           0 :                 break;
     580             :         }
     581             : }
     582             : 
     583             : static void
     584           0 : nvmf_auth_recv_complete(struct spdk_nvmf_request *req, uint32_t length)
     585             : {
     586           0 :         assert(req->cmd->nvmf_cmd.fctype == SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV);
     587           0 :         req->length = length;
     588           0 :         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC, SPDK_NVME_SC_SUCCESS, 0);
     589           0 : }
     590             : 
     591             : static void
     592           0 : nvmf_auth_recv_failure1(struct spdk_nvmf_request *req, int fail_reason)
     593             : {
     594           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     595           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     596             :         struct spdk_nvmf_auth_failure *failure;
     597             : 
     598           0 :         failure = nvmf_auth_get_message(req, sizeof(*failure));
     599           0 :         if (failure == NULL) {
     600           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     601             :                                            SPDK_NVME_SC_INVALID_FIELD, 1);
     602           0 :                 nvmf_auth_disconnect_qpair(qpair);
     603           0 :                 return;
     604             :         }
     605             : 
     606           0 :         failure->auth_type = SPDK_NVMF_AUTH_TYPE_COMMON_MESSAGE;
     607           0 :         failure->auth_id = SPDK_NVMF_AUTH_ID_FAILURE1;
     608           0 :         failure->t_id = auth->tid;
     609           0 :         failure->rc = SPDK_NVMF_AUTH_FAILURE;
     610           0 :         failure->rce = fail_reason;
     611             : 
     612           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_FAILURE1);
     613           0 :         nvmf_auth_recv_complete(req, sizeof(*failure));
     614           0 :         nvmf_auth_disconnect_qpair(qpair);
     615             : }
     616             : 
     617             : static int
     618           0 : nvmf_auth_get_seqnum(struct spdk_nvmf_qpair *qpair)
     619             : {
     620           0 :         struct spdk_nvmf_subsystem *subsys = qpair->ctrlr->subsys;
     621           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     622             :         int rc;
     623             : 
     624           0 :         pthread_mutex_lock(&subsys->mutex);
     625           0 :         if (subsys->auth_seqnum == 0) {
     626           0 :                 rc = RAND_bytes((void *)&subsys->auth_seqnum, sizeof(subsys->auth_seqnum));
     627           0 :                 if (rc != 1) {
     628           0 :                         pthread_mutex_unlock(&subsys->mutex);
     629           0 :                         return -EIO;
     630             :                 }
     631             :         }
     632           0 :         if (++subsys->auth_seqnum == 0) {
     633           0 :                 subsys->auth_seqnum = 1;
     634             : 
     635             :         }
     636           0 :         auth->seqnum = subsys->auth_seqnum;
     637           0 :         pthread_mutex_unlock(&subsys->mutex);
     638             : 
     639           0 :         return 0;
     640             : }
     641             : 
     642             : static int
     643           0 : nvmf_auth_recv_challenge(struct spdk_nvmf_request *req)
     644             : {
     645           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     646           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     647             :         struct spdk_nvmf_dhchap_challenge *challenge;
     648           0 :         uint8_t hl, dhv[NVMF_AUTH_DH_KEY_MAX_SIZE];
     649           0 :         size_t dhvlen = 0;
     650             :         int rc;
     651             : 
     652           0 :         hl = spdk_nvme_dhchap_get_digest_length(auth->digest);
     653           0 :         assert(hl > 0 && hl <= sizeof(auth->cval));
     654             : 
     655           0 :         if (auth->dhgroup != SPDK_NVMF_DHCHAP_DHGROUP_NULL) {
     656           0 :                 auth->dhkey = spdk_nvme_dhchap_generate_dhkey(auth->dhgroup);
     657           0 :                 if (auth->dhkey == NULL) {
     658           0 :                         AUTH_ERRLOG(qpair, "failed to generate DH key\n");
     659           0 :                         return SPDK_NVMF_AUTH_FAILED;
     660             :                 }
     661             : 
     662           0 :                 dhvlen = sizeof(dhv);
     663           0 :                 rc = spdk_nvme_dhchap_dhkey_get_pubkey(auth->dhkey, dhv, &dhvlen);
     664           0 :                 if (rc != 0) {
     665           0 :                         AUTH_ERRLOG(qpair, "failed to get DH public key\n");
     666           0 :                         return SPDK_NVMF_AUTH_FAILED;
     667             :                 }
     668             : 
     669           0 :                 AUTH_LOGDUMP("ctrlr pubkey:", dhv, dhvlen);
     670             :         }
     671             : 
     672           0 :         challenge = nvmf_auth_get_message(req, sizeof(*challenge) + hl + dhvlen);
     673           0 :         if (challenge == NULL) {
     674           0 :                 AUTH_ERRLOG(qpair, "invalid message length: %"PRIu32"\n", req->length);
     675           0 :                 return SPDK_NVMF_AUTH_INCORRECT_PAYLOAD;
     676             :         }
     677           0 :         rc = nvmf_auth_get_seqnum(qpair);
     678           0 :         if (rc != 0) {
     679           0 :                 return SPDK_NVMF_AUTH_FAILED;
     680             :         }
     681           0 :         rc = RAND_bytes(auth->cval, hl);
     682           0 :         if (rc != 1) {
     683           0 :                 return SPDK_NVMF_AUTH_FAILED;
     684             :         }
     685           0 :         if (nvmf_auth_rearm_poller(qpair)) {
     686           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     687             :                                            SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, 1);
     688           0 :                 nvmf_auth_disconnect_qpair(qpair);
     689           0 :                 return 0;
     690             :         }
     691             : 
     692           0 :         memcpy(challenge->cval, auth->cval, hl);
     693           0 :         memcpy(&challenge->cval[hl], dhv, dhvlen);
     694           0 :         challenge->auth_type = SPDK_NVMF_AUTH_TYPE_DHCHAP;
     695           0 :         challenge->auth_id = SPDK_NVMF_AUTH_ID_DHCHAP_CHALLENGE;
     696           0 :         challenge->t_id = auth->tid;
     697           0 :         challenge->hl = hl;
     698           0 :         challenge->hash_id = (uint8_t)auth->digest;
     699           0 :         challenge->dhg_id = (uint8_t)auth->dhgroup;
     700           0 :         challenge->dhvlen = dhvlen;
     701           0 :         challenge->seqnum = auth->seqnum;
     702             : 
     703           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_REPLY);
     704           0 :         nvmf_auth_recv_complete(req, sizeof(*challenge) + hl + dhvlen);
     705             : 
     706           0 :         return 0;
     707             : }
     708             : 
     709             : static int
     710           0 : nvmf_auth_recv_success1(struct spdk_nvmf_request *req)
     711             : {
     712           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     713           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     714             :         struct spdk_nvmf_dhchap_success1 *success;
     715             :         uint8_t hl;
     716             : 
     717           0 :         hl = spdk_nvme_dhchap_get_digest_length(auth->digest);
     718           0 :         success = nvmf_auth_get_message(req, sizeof(*success) + auth->cvalid * hl);
     719           0 :         if (success == NULL) {
     720           0 :                 AUTH_ERRLOG(qpair, "invalid message length: %"PRIu32"\n", req->length);
     721           0 :                 return SPDK_NVMF_AUTH_INCORRECT_PAYLOAD;
     722             :         }
     723             : 
     724           0 :         AUTH_DEBUGLOG(qpair, "host authentication successful\n");
     725           0 :         success->auth_type = SPDK_NVMF_AUTH_TYPE_DHCHAP;
     726           0 :         success->auth_id = SPDK_NVMF_AUTH_ID_DHCHAP_SUCCESS1;
     727           0 :         success->t_id = auth->tid;
     728             :         /* Kernel initiator always expects hl to be set, regardless of rvalid */
     729           0 :         success->hl = hl;
     730           0 :         success->rvalid = 0;
     731             : 
     732           0 :         if (!auth->cvalid) {
     733             :                 /* Host didn't request to authenticate us, we're done */
     734           0 :                 nvmf_qpair_set_state(qpair, SPDK_NVMF_QPAIR_ENABLED);
     735           0 :                 nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_COMPLETED);
     736           0 :                 nvmf_auth_qpair_cleanup(auth);
     737             :         } else {
     738           0 :                 if (nvmf_auth_rearm_poller(qpair)) {
     739           0 :                         nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     740             :                                                    SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, 1);
     741           0 :                         nvmf_auth_disconnect_qpair(qpair);
     742           0 :                         return 0;
     743             :                 }
     744           0 :                 AUTH_DEBUGLOG(qpair, "cvalid=1, starting controller authentication\n");
     745           0 :                 nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_SUCCESS2);
     746           0 :                 memcpy(success->rval, auth->cval, hl);
     747           0 :                 success->rvalid = 1;
     748             :         }
     749             : 
     750           0 :         nvmf_auth_recv_complete(req, sizeof(*success) + auth->cvalid * hl);
     751           0 :         return 0;
     752             : }
     753             : 
     754             : static void
     755           0 : nvmf_auth_recv_exec(struct spdk_nvmf_request *req)
     756             : {
     757           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     758           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     759           0 :         struct spdk_nvmf_fabric_auth_recv_cmd *cmd = &req->cmd->auth_recv_cmd;
     760             :         int rc;
     761             : 
     762           0 :         rc = nvmf_auth_check_command(req, cmd->secp, cmd->spsp0, cmd->spsp1, cmd->al);
     763           0 :         if (rc != 0) {
     764           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     765             :                                            SPDK_NVME_SC_INVALID_FIELD, 1);
     766           0 :                 return;
     767             :         }
     768             : 
     769           0 :         spdk_iov_memset(req->iov, req->iovcnt, 0);
     770           0 :         switch (auth->state) {
     771           0 :         case NVMF_QPAIR_AUTH_CHALLENGE:
     772           0 :                 rc = nvmf_auth_recv_challenge(req);
     773           0 :                 if (rc != 0) {
     774           0 :                         nvmf_auth_recv_failure1(req, rc);
     775             :                 }
     776           0 :                 break;
     777           0 :         case NVMF_QPAIR_AUTH_SUCCESS1:
     778           0 :                 rc = nvmf_auth_recv_success1(req);
     779           0 :                 if (rc != 0) {
     780           0 :                         nvmf_auth_recv_failure1(req, rc);
     781             :                 }
     782           0 :                 break;
     783           0 :         case NVMF_QPAIR_AUTH_FAILURE1:
     784           0 :                 nvmf_auth_recv_failure1(req, auth->fail_reason);
     785           0 :                 break;
     786           0 :         default:
     787           0 :                 nvmf_auth_recv_failure1(req, SPDK_NVMF_AUTH_INCORRECT_PROTOCOL_MESSAGE);
     788           0 :                 break;
     789             :         }
     790             : }
     791             : 
     792             : int
     793           0 : nvmf_auth_request_exec(struct spdk_nvmf_request *req)
     794             : {
     795           0 :         struct spdk_nvmf_qpair *qpair = req->qpair;
     796           0 :         union nvmf_h2c_msg *cmd = req->cmd;
     797             : 
     798             :         /* We don't support reauthentication */
     799           0 :         if (qpair->state != SPDK_NVMF_QPAIR_AUTHENTICATING) {
     800           0 :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     801             :                                            SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR, 0);
     802           0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     803             :         }
     804             : 
     805           0 :         assert(cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC);
     806           0 :         switch (cmd->nvmf_cmd.fctype) {
     807           0 :         case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND:
     808           0 :                 nvmf_auth_send_exec(req);
     809           0 :                 break;
     810           0 :         case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV:
     811           0 :                 nvmf_auth_recv_exec(req);
     812           0 :                 break;
     813           0 :         default:
     814           0 :                 assert(0 && "invalid fctype");
     815             :                 nvmf_auth_request_complete(req, SPDK_NVME_SCT_GENERIC,
     816             :                                            SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, 0);
     817             :                 break;
     818             :         }
     819             : 
     820           0 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     821             : }
     822             : 
     823             : int
     824           0 : nvmf_qpair_auth_init(struct spdk_nvmf_qpair *qpair)
     825             : {
     826             :         struct spdk_nvmf_qpair_auth *auth;
     827             :         int rc;
     828             : 
     829           0 :         assert(qpair->auth == NULL);
     830           0 :         auth = calloc(1, sizeof(*qpair->auth));
     831           0 :         if (auth == NULL) {
     832           0 :                 return -ENOMEM;
     833             :         }
     834             : 
     835           0 :         auth->digest = -1;
     836           0 :         qpair->auth = auth;
     837           0 :         nvmf_auth_set_state(qpair, NVMF_QPAIR_AUTH_NEGOTIATE);
     838             : 
     839           0 :         rc = nvmf_auth_rearm_poller(qpair);
     840           0 :         if (rc != 0) {
     841           0 :                 AUTH_ERRLOG(qpair, "failed to arm timeout poller: %s\n", spdk_strerror(-rc));
     842           0 :                 nvmf_qpair_auth_destroy(qpair);
     843           0 :                 return rc;
     844             :         }
     845             : 
     846           0 :         return 0;
     847             : }
     848             : 
     849             : void
     850           0 : nvmf_qpair_auth_destroy(struct spdk_nvmf_qpair *qpair)
     851             : {
     852           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     853             : 
     854           0 :         if (auth != NULL) {
     855           0 :                 nvmf_auth_qpair_cleanup(auth);
     856           0 :                 free(qpair->auth);
     857           0 :                 qpair->auth = NULL;
     858             :         }
     859           0 : }
     860             : 
     861             : void
     862           0 : nvmf_qpair_auth_dump(struct spdk_nvmf_qpair *qpair, struct spdk_json_write_ctx *w)
     863             : {
     864           0 :         struct spdk_nvmf_qpair_auth *auth = qpair->auth;
     865             :         const char *digest, *dhgroup;
     866             : 
     867           0 :         if (auth == NULL) {
     868           0 :                 return;
     869             :         }
     870             : 
     871           0 :         spdk_json_write_named_object_begin(w, "auth");
     872           0 :         spdk_json_write_named_string(w, "state", nvmf_auth_get_state_name(auth->state));
     873           0 :         digest = spdk_nvme_dhchap_get_digest_name(auth->digest);
     874           0 :         spdk_json_write_named_string(w, "digest", digest ? digest : "unknown");
     875           0 :         dhgroup = spdk_nvme_dhchap_get_dhgroup_name(auth->dhgroup);
     876           0 :         spdk_json_write_named_string(w, "dhgroup", dhgroup ? dhgroup : "unknown");
     877           0 :         spdk_json_write_object_end(w);
     878             : }
     879             : 
     880             : bool
     881           0 : nvmf_auth_is_supported(void)
     882             : {
     883           0 :         return true;
     884             : }
     885           0 : SPDK_LOG_REGISTER_COMPONENT(nvmf_auth)

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