static inline int msg_last_segidx(struct lustre_msg *msg)
{
- LASSERT(msg->lm_bufcount > 0);
- return msg->lm_bufcount - 1;
+ LASSERT(msg->lm_bufcount > 0);
+ return msg->lm_bufcount - 1;
}
static inline int msg_last_seglen(struct lustre_msg *msg)
{
- return msg->lm_buflens[msg_last_segidx(msg)];
+ return msg->lm_buflens[msg_last_segidx(msg)];
}
-/********************************************
- * wire data swabber *
- ********************************************/
-
+ /* wire data swabber */
static
void gss_header_swabber(struct gss_header *ghdr)
{
- __swab32s(&ghdr->gh_flags);
- __swab32s(&ghdr->gh_proc);
- __swab32s(&ghdr->gh_seq);
- __swab32s(&ghdr->gh_svc);
- __swab32s(&ghdr->gh_pad1);
- __swab32s(&ghdr->gh_handle.len);
+ __swab32s(&ghdr->gh_flags);
+ __swab32s(&ghdr->gh_proc);
+ __swab32s(&ghdr->gh_seq);
+ __swab32s(&ghdr->gh_svc);
+ __swab32s(&ghdr->gh_pad1);
+ __swab32s(&ghdr->gh_handle.len);
}
struct gss_header *gss_swab_header(struct lustre_msg *msg, int segment,
- int swabbed)
+ int swabbed)
{
- struct gss_header *ghdr;
+ struct gss_header *ghdr;
- ghdr = lustre_msg_buf(msg, segment, sizeof(*ghdr));
- if (ghdr == NULL)
- return NULL;
+ ghdr = lustre_msg_buf(msg, segment, sizeof(*ghdr));
+ if (ghdr == NULL)
+ return NULL;
- if (swabbed)
- gss_header_swabber(ghdr);
+ if (swabbed)
+ gss_header_swabber(ghdr);
- if (sizeof(*ghdr) + ghdr->gh_handle.len > msg->lm_buflens[segment]) {
- CERROR("gss header has length %d, now %u received\n",
- (int) sizeof(*ghdr) + ghdr->gh_handle.len,
- msg->lm_buflens[segment]);
- return NULL;
- }
+ if (sizeof(*ghdr) + ghdr->gh_handle.len > msg->lm_buflens[segment]) {
+ CERROR("gss header has length %d, now %u received\n",
+ (int) sizeof(*ghdr) + ghdr->gh_handle.len,
+ msg->lm_buflens[segment]);
+ return NULL;
+ }
- return ghdr;
+ return ghdr;
}
/*
static inline
int gss_mech_payload(struct gss_ctx *mechctx, int msgsize, int privacy)
{
- if (privacy)
- return GSS_KRB5_INTEG_MAX_PAYLOAD + 16 + 16 + 16 + msgsize;
- else
- return GSS_KRB5_INTEG_MAX_PAYLOAD;
+ if (privacy)
+ return GSS_KRB5_INTEG_MAX_PAYLOAD + 16 + 16 + 16 + msgsize;
+ else
+ return GSS_KRB5_INTEG_MAX_PAYLOAD;
}
/*
* return signature size, otherwise < 0 to indicate error
*/
-static int gss_sign_msg(struct lustre_msg *msg,
- struct gss_ctx *mechctx,
- enum lustre_sec_part sp,
- __u32 flags, __u32 proc, __u32 seq, __u32 svc,
- rawobj_t *handle)
-{
- struct gss_header *ghdr;
- rawobj_t text[4], mic;
- int textcnt, max_textcnt, mic_idx;
- __u32 major;
-
- LASSERT(msg->lm_bufcount >= 2);
-
- /* gss hdr */
- LASSERT(msg->lm_buflens[0] >=
- sizeof(*ghdr) + (handle ? handle->len : 0));
- ghdr = lustre_msg_buf(msg, 0, 0);
-
- ghdr->gh_version = PTLRPC_GSS_VERSION;
- ghdr->gh_sp = (__u8) sp;
- ghdr->gh_flags = flags;
- ghdr->gh_proc = proc;
- ghdr->gh_seq = seq;
- ghdr->gh_svc = svc;
- if (!handle) {
- /* fill in a fake one */
- ghdr->gh_handle.len = 0;
- } else {
- ghdr->gh_handle.len = handle->len;
- memcpy(ghdr->gh_handle.data, handle->data, handle->len);
- }
-
- /* no actual signature for null mode */
- if (svc == SPTLRPC_SVC_NULL)
- return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
-
- /* MIC */
- mic_idx = msg_last_segidx(msg);
- max_textcnt = (svc == SPTLRPC_SVC_AUTH) ? 1 : mic_idx;
-
- for (textcnt = 0; textcnt < max_textcnt; textcnt++) {
- text[textcnt].len = msg->lm_buflens[textcnt];
- text[textcnt].data = lustre_msg_buf(msg, textcnt, 0);
- }
-
- mic.len = msg->lm_buflens[mic_idx];
- mic.data = lustre_msg_buf(msg, mic_idx, 0);
-
- major = lgss_get_mic(mechctx, textcnt, text, 0, NULL, &mic);
- if (major != GSS_S_COMPLETE) {
- CERROR("fail to generate MIC: %08x\n", major);
- return -EPERM;
- }
- LASSERT(mic.len <= msg->lm_buflens[mic_idx]);
-
- return lustre_shrink_msg(msg, mic_idx, mic.len, 0);
+static int gss_sign_msg(struct lustre_msg *msg, struct gss_ctx *mechctx,
+ enum lustre_sec_part sp, __u32 flags, __u32 proc,
+ __u32 seq, __u32 svc, rawobj_t *handle)
+{
+ struct gss_header *ghdr;
+ rawobj_t text[4], mic;
+ int textcnt, max_textcnt, mic_idx;
+ __u32 major;
+
+ LASSERT(msg->lm_bufcount >= 2);
+
+ /* gss hdr */
+ LASSERT(msg->lm_buflens[0] >=
+ sizeof(*ghdr) + (handle ? handle->len : 0));
+ ghdr = lustre_msg_buf(msg, 0, 0);
+
+ ghdr->gh_version = PTLRPC_GSS_VERSION;
+ ghdr->gh_sp = (__u8) sp;
+ ghdr->gh_flags = flags;
+ ghdr->gh_proc = proc;
+ ghdr->gh_seq = seq;
+ ghdr->gh_svc = svc;
+ if (!handle) {
+ /* fill in a fake one */
+ ghdr->gh_handle.len = 0;
+ } else {
+ ghdr->gh_handle.len = handle->len;
+ memcpy(ghdr->gh_handle.data, handle->data, handle->len);
+ }
+
+ /* no actual signature for null mode */
+ if (svc == SPTLRPC_SVC_NULL)
+ return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+
+ /* MIC */
+ mic_idx = msg_last_segidx(msg);
+ max_textcnt = (svc == SPTLRPC_SVC_AUTH) ? 1 : mic_idx;
+
+ for (textcnt = 0; textcnt < max_textcnt; textcnt++) {
+ text[textcnt].len = msg->lm_buflens[textcnt];
+ text[textcnt].data = lustre_msg_buf(msg, textcnt, 0);
+ }
+
+ mic.len = msg->lm_buflens[mic_idx];
+ mic.data = lustre_msg_buf(msg, mic_idx, 0);
+
+ major = lgss_get_mic(mechctx, textcnt, text, 0, NULL, &mic);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("fail to generate MIC: %08x\n", major);
+ return -EPERM;
+ }
+ LASSERT(mic.len <= msg->lm_buflens[mic_idx]);
+
+ return lustre_shrink_msg(msg, mic_idx, mic.len, 0);
}
/*
* return gss error
*/
static
-__u32 gss_verify_msg(struct lustre_msg *msg,
- struct gss_ctx *mechctx,
- __u32 svc)
+__u32 gss_verify_msg(struct lustre_msg *msg, struct gss_ctx *mechctx,
+ __u32 svc)
{
- rawobj_t text[4], mic;
- int textcnt, max_textcnt;
- int mic_idx;
- __u32 major;
+ rawobj_t text[4], mic;
+ int textcnt, max_textcnt;
+ int mic_idx;
+ __u32 major;
- LASSERT(msg->lm_bufcount >= 2);
+ LASSERT(msg->lm_bufcount >= 2);
- if (svc == SPTLRPC_SVC_NULL)
- return GSS_S_COMPLETE;
+ if (svc == SPTLRPC_SVC_NULL)
+ return GSS_S_COMPLETE;
- mic_idx = msg_last_segidx(msg);
- max_textcnt = (svc == SPTLRPC_SVC_AUTH) ? 1 : mic_idx;
+ mic_idx = msg_last_segidx(msg);
+ max_textcnt = (svc == SPTLRPC_SVC_AUTH) ? 1 : mic_idx;
- for (textcnt = 0; textcnt < max_textcnt; textcnt++) {
- text[textcnt].len = msg->lm_buflens[textcnt];
- text[textcnt].data = lustre_msg_buf(msg, textcnt, 0);
- }
+ for (textcnt = 0; textcnt < max_textcnt; textcnt++) {
+ text[textcnt].len = msg->lm_buflens[textcnt];
+ text[textcnt].data = lustre_msg_buf(msg, textcnt, 0);
+ }
- mic.len = msg->lm_buflens[mic_idx];
- mic.data = lustre_msg_buf(msg, mic_idx, 0);
+ mic.len = msg->lm_buflens[mic_idx];
+ mic.data = lustre_msg_buf(msg, mic_idx, 0);
- major = lgss_verify_mic(mechctx, textcnt, text, 0, NULL, &mic);
- if (major != GSS_S_COMPLETE)
- CERROR("mic verify error: %08x\n", major);
+ major = lgss_verify_mic(mechctx, textcnt, text, 0, NULL, &mic);
+ if (major != GSS_S_COMPLETE)
+ CERROR("mic verify error: %08x\n", major);
- return major;
+ return major;
}
/*
* return gss error code
*/
static
-__u32 gss_unseal_msg(struct gss_ctx *mechctx,
- struct lustre_msg *msgbuf,
- int *msg_len, int msgbuf_len)
-{
- rawobj_t clear_obj, hdrobj, token;
- __u8 *clear_buf;
- int clear_buflen;
- __u32 major;
- ENTRY;
-
- if (msgbuf->lm_bufcount != 2) {
- CERROR("invalid bufcount %d\n", msgbuf->lm_bufcount);
- RETURN(GSS_S_FAILURE);
- }
-
- /* allocate a temporary clear text buffer, same sized as token,
- * we assume the final clear text size <= token size */
- clear_buflen = lustre_msg_buflen(msgbuf, 1);
- OBD_ALLOC_LARGE(clear_buf, clear_buflen);
- if (!clear_buf)
- RETURN(GSS_S_FAILURE);
-
- /* buffer objects */
- hdrobj.len = lustre_msg_buflen(msgbuf, 0);
- hdrobj.data = lustre_msg_buf(msgbuf, 0, 0);
- token.len = lustre_msg_buflen(msgbuf, 1);
- token.data = lustre_msg_buf(msgbuf, 1, 0);
- clear_obj.len = clear_buflen;
- clear_obj.data = clear_buf;
-
- major = lgss_unwrap(mechctx, &hdrobj, &token, &clear_obj);
- if (major != GSS_S_COMPLETE) {
- CERROR("unwrap message error: %08x\n", major);
- GOTO(out_free, major = GSS_S_FAILURE);
- }
- LASSERT(clear_obj.len <= clear_buflen);
- LASSERT(clear_obj.len <= msgbuf_len);
-
- /* now the decrypted message */
- memcpy(msgbuf, clear_obj.data, clear_obj.len);
- *msg_len = clear_obj.len;
-
- major = GSS_S_COMPLETE;
+__u32 gss_unseal_msg(struct gss_ctx *mechctx, struct lustre_msg *msgbuf,
+ int *msg_len, int msgbuf_len)
+{
+ rawobj_t clear_obj, hdrobj, token;
+ __u8 *clear_buf;
+ int clear_buflen;
+ __u32 major;
+ ENTRY;
+
+ if (msgbuf->lm_bufcount != 2) {
+ CERROR("invalid bufcount %d\n", msgbuf->lm_bufcount);
+ RETURN(GSS_S_FAILURE);
+ }
+
+ /* allocate a temporary clear text buffer, same sized as token,
+ * we assume the final clear text size <= token size
+ */
+ clear_buflen = lustre_msg_buflen(msgbuf, 1);
+ OBD_ALLOC_LARGE(clear_buf, clear_buflen);
+ if (!clear_buf)
+ RETURN(GSS_S_FAILURE);
+
+ /* buffer objects */
+ hdrobj.len = lustre_msg_buflen(msgbuf, 0);
+ hdrobj.data = lustre_msg_buf(msgbuf, 0, 0);
+ token.len = lustre_msg_buflen(msgbuf, 1);
+ token.data = lustre_msg_buf(msgbuf, 1, 0);
+ clear_obj.len = clear_buflen;
+ clear_obj.data = clear_buf;
+
+ major = lgss_unwrap(mechctx, &hdrobj, &token, &clear_obj);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("unwrap message error: %08x\n", major);
+ GOTO(out_free, major = GSS_S_FAILURE);
+ }
+ LASSERT(clear_obj.len <= clear_buflen);
+ LASSERT(clear_obj.len <= msgbuf_len);
+
+ /* now the decrypted message */
+ memcpy(msgbuf, clear_obj.data, clear_obj.len);
+ *msg_len = clear_obj.len;
+
+ major = GSS_S_COMPLETE;
out_free:
- OBD_FREE_LARGE(clear_buf, clear_buflen);
- RETURN(major);
+ OBD_FREE_LARGE(clear_buf, clear_buflen);
+ RETURN(major);
}
-/********************************************
- * gss client context manipulation helpers *
- ********************************************/
-
+/* gss client context manipulation helpers */
int cli_ctx_expire(struct ptlrpc_cli_ctx *ctx)
{
LASSERT(atomic_read(&ctx->cc_refcount));
*/
int cli_ctx_check_death(struct ptlrpc_cli_ctx *ctx)
{
- if (unlikely(cli_ctx_is_dead(ctx)))
- return 1;
+ if (unlikely(cli_ctx_is_dead(ctx)))
+ return 1;
- /* expire is 0 means never expire. a newly created gss context
- * which during upcall may has 0 expiration */
- if (ctx->cc_expire == 0)
- return 0;
+ /* expire is 0 means never expire. a newly created gss context
+ * which during upcall may has 0 expiration
+ */
+ if (ctx->cc_expire == 0)
+ return 0;
- /* check real expiration */
+ /* check real expiration */
if (ctx->cc_expire > ktime_get_real_seconds())
- return 0;
+ return 0;
- cli_ctx_expire(ctx);
- return 1;
+ cli_ctx_expire(ctx);
+ return 1;
}
void gss_cli_ctx_uptodate(struct gss_cli_ctx *gctx)
struct ptlrpc_cli_ctx *ctx = &gctx->gc_base;
time64_t ctx_expiry;
- if (lgss_inquire_context(gctx->gc_mechctx, &ctx_expiry)) {
- CERROR("ctx %p(%u): unable to inquire, expire it now\n",
- gctx, ctx->cc_vcred.vc_uid);
- ctx_expiry = 1; /* make it expired now */
- }
+ if (lgss_inquire_context(gctx->gc_mechctx, &ctx_expiry)) {
+ CERROR("ctx %p(%u): unable to inquire, expire it now\n",
+ gctx, ctx->cc_vcred.vc_uid);
+ ctx_expiry = 1; /* make it expired now */
+ }
- ctx->cc_expire = gss_round_ctx_expiry(ctx_expiry,
- ctx->cc_sec->ps_flvr.sf_flags);
+ ctx->cc_expire = gss_round_ctx_expiry(ctx_expiry,
+ ctx->cc_sec->ps_flvr.sf_flags);
- /* At this point this ctx might have been marked as dead by
- * someone else, in which case nobody will make further use
- * of it. we don't care, and mark it UPTODATE will help
- * destroying server side context when it be destroyed. */
+ /* At this point this ctx might have been marked as dead by
+ * someone else, in which case nobody will make further use
+ * of it. we don't care, and mark it UPTODATE will help
+ * destroying server side context when it be destroyed.
+ */
set_bit(PTLRPC_CTX_UPTODATE_BIT, &ctx->cc_flags);
if (sec_is_reverse(ctx->cc_sec)) {
ctx, gss_handle_to_u64(&gctx->gc_handle),
ctx->cc_expire,
ctx->cc_expire - ktime_get_real_seconds());
- } else {
+ } else {
CDEBUG(D_SEC, "client refreshed ctx %p idx %#llx (%u->%s), expiry %lld(%+llds)\n",
ctx, gss_handle_to_u64(&gctx->gc_handle),
ctx->cc_vcred.vc_uid, sec2target_str(ctx->cc_sec),
ctx->cc_sec, ctx);
}
- sptlrpc_cli_ctx_wakeup(ctx);
+ sptlrpc_cli_ctx_wakeup(ctx);
}
static void gss_cli_ctx_finalize(struct gss_cli_ctx *gctx)
{
- LASSERT(gctx->gc_base.cc_sec);
+ LASSERT(gctx->gc_base.cc_sec);
- if (gctx->gc_mechctx) {
- lgss_delete_sec_context(&gctx->gc_mechctx);
- gctx->gc_mechctx = NULL;
- }
+ if (gctx->gc_mechctx) {
+ lgss_delete_sec_context(&gctx->gc_mechctx);
+ gctx->gc_mechctx = NULL;
+ }
- if (!rawobj_empty(&gctx->gc_svc_handle)) {
- /* forward ctx: mark buddy reverse svcctx soon-expire. */
- if (!sec_is_reverse(gctx->gc_base.cc_sec) &&
- !rawobj_empty(&gctx->gc_svc_handle))
- gss_svc_upcall_expire_rvs_ctx(&gctx->gc_svc_handle);
+ if (!rawobj_empty(&gctx->gc_svc_handle)) {
+ /* forward ctx: mark buddy reverse svcctx soon-expire. */
+ if (!sec_is_reverse(gctx->gc_base.cc_sec) &&
+ !rawobj_empty(&gctx->gc_svc_handle))
+ gss_svc_upcall_expire_rvs_ctx(&gctx->gc_svc_handle);
- rawobj_free(&gctx->gc_svc_handle);
- }
+ rawobj_free(&gctx->gc_svc_handle);
+ }
- rawobj_free(&gctx->gc_handle);
+ rawobj_free(&gctx->gc_handle);
}
/**
*/
static
int gss_do_check_seq(unsigned long *window, __u32 win_size, __u32 *max_seq,
- __u32 seq_num, int phase)
-{
- LASSERT(phase >= 0 && phase <= 2);
-
- if (seq_num > *max_seq) {
- /*
- * 1. high above the window
- */
- if (phase == 0)
- return 0;
-
- if (seq_num >= *max_seq + win_size) {
- memset(window, 0, win_size / 8);
- *max_seq = seq_num;
- } else {
- while(*max_seq < seq_num) {
- (*max_seq)++;
- __clear_bit((*max_seq) % win_size, window);
- }
- }
- __set_bit(seq_num % win_size, window);
- } else if (seq_num + win_size <= *max_seq) {
- /*
- * 2. low behind the window
- */
- if (phase == 0 || phase == 2)
- goto replay;
-
- CWARN("seq %u is %u behind (size %d), check backup window\n",
- seq_num, *max_seq - win_size - seq_num, win_size);
- return 1;
- } else {
- /*
- * 3. fit into the window
- */
- switch (phase) {
- case 0:
+ __u32 seq_num, int phase)
+{
+ LASSERT(phase >= 0 && phase <= 2);
+
+ if (seq_num > *max_seq) {
+ /*
+ * 1. high above the window
+ */
+ if (phase == 0)
+ return 0;
+
+ if (seq_num >= *max_seq + win_size) {
+ memset(window, 0, win_size / 8);
+ *max_seq = seq_num;
+ } else {
+ while (*max_seq < seq_num) {
+ (*max_seq)++;
+ __clear_bit((*max_seq) % win_size, window);
+ }
+ }
+ __set_bit(seq_num % win_size, window);
+ } else if (seq_num + win_size <= *max_seq) {
+ /*
+ * 2. low behind the window
+ */
+ if (phase == 0 || phase == 2)
+ goto replay;
+
+ CWARN("seq %u is %u behind (size %d), check backup window\n",
+ seq_num, *max_seq - win_size - seq_num, win_size);
+ return 1;
+ } else {
+ /*
+ * 3. fit into the window
+ */
+ switch (phase) {
+ case 0:
if (test_bit(seq_num % win_size, window))
- goto replay;
- break;
- case 1:
- case 2:
- if (__test_and_set_bit(seq_num % win_size, window))
- goto replay;
- break;
- }
- }
-
- return 0;
+ goto replay;
+ break;
+ case 1:
+ case 2:
+ if (__test_and_set_bit(seq_num % win_size, window))
+ goto replay;
+ break;
+ }
+ }
+
+ return 0;
replay:
- CERROR("seq %u (%s %s window) is a replay: max %u, winsize %d\n",
- seq_num,
- seq_num + win_size > *max_seq ? "in" : "behind",
- phase == 2 ? "backup " : "main",
- *max_seq, win_size);
- return -1;
+ CERROR("seq %u (%s %s window) is a replay: max %u, winsize %d\n",
+ seq_num,
+ seq_num + win_size > *max_seq ? "in" : "behind",
+ phase == 2 ? "backup " : "main",
+ *max_seq, win_size);
+ return -1;
}
/*
spin_lock(&ssd->ssd_lock);
- if (set == 0) {
- /*
- * phase 0 testing
- */
- rc = gss_do_check_seq(ssd->ssd_win_main, GSS_SEQ_WIN_MAIN,
- &ssd->ssd_max_main, seq_num, 0);
- if (unlikely(rc))
- gss_stat_oos_record_svc(0, 1);
- } else {
- /*
- * phase 1 checking main window
- */
- rc = gss_do_check_seq(ssd->ssd_win_main, GSS_SEQ_WIN_MAIN,
- &ssd->ssd_max_main, seq_num, 1);
- switch (rc) {
- case -1:
- gss_stat_oos_record_svc(1, 1);
+ if (set == 0) {
+ /*
+ * phase 0 testing
+ */
+ rc = gss_do_check_seq(ssd->ssd_win_main, GSS_SEQ_WIN_MAIN,
+ &ssd->ssd_max_main, seq_num, 0);
+ if (unlikely(rc))
+ gss_stat_oos_record_svc(0, 1);
+ } else {
+ /*
+ * phase 1 checking main window
+ */
+ rc = gss_do_check_seq(ssd->ssd_win_main, GSS_SEQ_WIN_MAIN,
+ &ssd->ssd_max_main, seq_num, 1);
+ switch (rc) {
+ case -1:
+ gss_stat_oos_record_svc(1, 1);
fallthrough;
- case 0:
- goto exit;
- }
- /*
- * phase 2 checking back window
- */
- rc = gss_do_check_seq(ssd->ssd_win_back, GSS_SEQ_WIN_BACK,
- &ssd->ssd_max_back, seq_num, 2);
- if (rc)
- gss_stat_oos_record_svc(2, 1);
- else
- gss_stat_oos_record_svc(2, 0);
- }
+ case 0:
+ goto exit;
+ }
+ /*
+ * phase 2 checking back window
+ */
+ rc = gss_do_check_seq(ssd->ssd_win_back, GSS_SEQ_WIN_BACK,
+ &ssd->ssd_max_back, seq_num, 2);
+ if (rc)
+ gss_stat_oos_record_svc(2, 1);
+ else
+ gss_stat_oos_record_svc(2, 0);
+ }
exit:
spin_unlock(&ssd->ssd_lock);
return rc;
}
-/***************************************
- * cred APIs *
- ***************************************/
-
-static inline int gss_cli_payload(struct ptlrpc_cli_ctx *ctx,
- int msgsize, int privacy)
+/* cred APIs */
+static inline int gss_cli_payload(struct ptlrpc_cli_ctx *ctx, int msgsize,
+ int privacy)
{
- return gss_mech_payload(NULL, msgsize, privacy);
+ return gss_mech_payload(NULL, msgsize, privacy);
}
static int gss_cli_bulk_payload(struct ptlrpc_cli_ctx *ctx,
- struct sptlrpc_flavor *flvr,
- int reply, int read)
-{
- int payload = sizeof(struct ptlrpc_bulk_sec_desc);
-
- LASSERT(SPTLRPC_FLVR_BULK_TYPE(flvr->sf_rpc) == SPTLRPC_BULK_DEFAULT);
-
- if ((!reply && !read) || (reply && read)) {
- switch (SPTLRPC_FLVR_BULK_SVC(flvr->sf_rpc)) {
- case SPTLRPC_BULK_SVC_NULL:
- break;
- case SPTLRPC_BULK_SVC_INTG:
- payload += gss_cli_payload(ctx, 0, 0);
- break;
- case SPTLRPC_BULK_SVC_PRIV:
- payload += gss_cli_payload(ctx, 0, 1);
- break;
- case SPTLRPC_BULK_SVC_AUTH:
- default:
- LBUG();
- }
- }
+ struct sptlrpc_flavor *flvr,
+ int reply, int read)
+{
+ int payload = sizeof(struct ptlrpc_bulk_sec_desc);
+
+ LASSERT(SPTLRPC_FLVR_BULK_TYPE(flvr->sf_rpc) == SPTLRPC_BULK_DEFAULT);
+
+ if ((!reply && !read) || (reply && read)) {
+ switch (SPTLRPC_FLVR_BULK_SVC(flvr->sf_rpc)) {
+ case SPTLRPC_BULK_SVC_NULL:
+ break;
+ case SPTLRPC_BULK_SVC_INTG:
+ payload += gss_cli_payload(ctx, 0, 0);
+ break;
+ case SPTLRPC_BULK_SVC_PRIV:
+ payload += gss_cli_payload(ctx, 0, 1);
+ break;
+ case SPTLRPC_BULK_SVC_AUTH:
+ default:
+ LBUG();
+ }
+ }
- return payload;
+ return payload;
}
int gss_cli_ctx_match(struct ptlrpc_cli_ctx *ctx, struct vfs_cred *vcred)
{
- return (ctx->cc_vcred.vc_uid == vcred->vc_uid);
+ return (ctx->cc_vcred.vc_uid == vcred->vc_uid);
}
void gss_cli_ctx_flags2str(unsigned long flags, char *buf, int bufsize)
strlcat(buf, "-,", bufsize);
}
-int gss_cli_ctx_sign(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req)
+int gss_cli_ctx_sign(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
{
- struct gss_cli_ctx *gctx = ctx2gctx(ctx);
- __u32 flags = 0, seq, svc;
- int rc;
- ENTRY;
+ struct gss_cli_ctx *gctx = ctx2gctx(ctx);
+ __u32 flags = 0, seq, svc;
+ int rc;
+ ENTRY;
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_reqbuf->lm_bufcount >= 2);
- LASSERT(req->rq_cli_ctx == ctx);
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_reqbuf->lm_bufcount >= 2);
+ LASSERT(req->rq_cli_ctx == ctx);
- /* nothing to do for context negotiation RPCs */
- if (req->rq_ctx_init)
- RETURN(0);
+ /* nothing to do for context negotiation RPCs */
+ if (req->rq_ctx_init)
+ RETURN(0);
- svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
- if (req->rq_pack_bulk)
- flags |= LUSTRE_GSS_PACK_BULK;
- if (req->rq_pack_udesc)
- flags |= LUSTRE_GSS_PACK_USER;
+ svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
+ if (req->rq_pack_bulk)
+ flags |= LUSTRE_GSS_PACK_BULK;
+ if (req->rq_pack_udesc)
+ flags |= LUSTRE_GSS_PACK_USER;
redo:
seq = atomic_inc_return(&gctx->gc_seq);
* lead to the sequence number fall behind the window on server and
* be dropped. also applies to gss_cli_ctx_seal().
*
- * Note: null mode doesn't check sequence number. */
+ * Note: null mode doesn't check sequence number.
+ */
if (svc != SPTLRPC_SVC_NULL &&
atomic_read(&gctx->gc_seq) - seq > GSS_SEQ_REPACK_THRESHOLD) {
int behind = atomic_read(&gctx->gc_seq) - seq;
RETURN(0);
}
-static int gss_cli_ctx_handle_err_notify(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req,
- struct gss_header *ghdr)
+static
+int gss_cli_ctx_handle_err_notify(struct ptlrpc_cli_ctx *ctx,
+ struct ptlrpc_request *req,
+ struct gss_header *ghdr)
{
struct gss_err_header *errhdr;
int rc;
return rc;
}
-int gss_cli_ctx_verify(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req)
+int gss_cli_ctx_verify(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
{
- struct gss_cli_ctx *gctx;
- struct gss_header *ghdr, *reqhdr;
- struct lustre_msg *msg = req->rq_repdata;
- __u32 major;
- int pack_bulk, swabbed, rc = 0;
- ENTRY;
+ struct gss_cli_ctx *gctx;
+ struct gss_header *ghdr, *reqhdr;
+ struct lustre_msg *msg = req->rq_repdata;
+ __u32 major;
+ int pack_bulk, swabbed, rc = 0;
+ ENTRY;
- LASSERT(req->rq_cli_ctx == ctx);
- LASSERT(msg);
+ LASSERT(req->rq_cli_ctx == ctx);
+ LASSERT(msg);
- gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
+ gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
- /* special case for context negotiation, rq_repmsg/rq_replen actually
- * are not used currently. but early reply always be treated normally */
- if (req->rq_ctx_init && !req->rq_early) {
- req->rq_repmsg = lustre_msg_buf(msg, 1, 0);
- req->rq_replen = msg->lm_buflens[1];
- RETURN(0);
- }
+ /* special case for context negotiation, rq_repmsg/rq_replen actually
+ * are not used currently. but early reply always be treated normally
+ */
+ if (req->rq_ctx_init && !req->rq_early) {
+ req->rq_repmsg = lustre_msg_buf(msg, 1, 0);
+ req->rq_replen = msg->lm_buflens[1];
+ RETURN(0);
+ }
- if (msg->lm_bufcount < 2 || msg->lm_bufcount > 4) {
- CERROR("unexpected bufcount %u\n", msg->lm_bufcount);
- RETURN(-EPROTO);
- }
+ if (msg->lm_bufcount < 2 || msg->lm_bufcount > 4) {
+ CERROR("unexpected bufcount %u\n", msg->lm_bufcount);
+ RETURN(-EPROTO);
+ }
swabbed = req_capsule_rep_need_swab(&req->rq_pill);
- ghdr = gss_swab_header(msg, 0, swabbed);
- if (ghdr == NULL) {
- CERROR("can't decode gss header\n");
- RETURN(-EPROTO);
- }
-
- /* sanity checks */
- reqhdr = lustre_msg_buf(msg, 0, sizeof(*reqhdr));
- LASSERT(reqhdr);
-
- if (ghdr->gh_version != reqhdr->gh_version) {
- CERROR("gss version %u mismatch, expect %u\n",
- ghdr->gh_version, reqhdr->gh_version);
- RETURN(-EPROTO);
- }
-
- switch (ghdr->gh_proc) {
- case PTLRPC_GSS_PROC_DATA:
- pack_bulk = ghdr->gh_flags & LUSTRE_GSS_PACK_BULK;
-
- if (!req->rq_early && !equi(req->rq_pack_bulk == 1, pack_bulk)){
- CERROR("%s bulk flag in reply\n",
- req->rq_pack_bulk ? "missing" : "unexpected");
- RETURN(-EPROTO);
- }
-
- if (ghdr->gh_seq != reqhdr->gh_seq) {
- CERROR("seqnum %u mismatch, expect %u\n",
- ghdr->gh_seq, reqhdr->gh_seq);
- RETURN(-EPROTO);
- }
-
- if (ghdr->gh_svc != reqhdr->gh_svc) {
- CERROR("svc %u mismatch, expect %u\n",
- ghdr->gh_svc, reqhdr->gh_svc);
- RETURN(-EPROTO);
- }
-
- if (swabbed)
- gss_header_swabber(ghdr);
-
- major = gss_verify_msg(msg, gctx->gc_mechctx, reqhdr->gh_svc);
- if (major != GSS_S_COMPLETE) {
- CERROR("failed to verify reply: %x\n", major);
- RETURN(-EPERM);
- }
-
- if (req->rq_early && reqhdr->gh_svc == SPTLRPC_SVC_NULL) {
- __u32 cksum;
-
- cksum = crc32_le(!(__u32) 0,
- lustre_msg_buf(msg, 1, 0),
- lustre_msg_buflen(msg, 1));
- if (cksum != msg->lm_cksum) {
- CWARN("early reply checksum mismatch: "
- "%08x != %08x\n", cksum, msg->lm_cksum);
- RETURN(-EPROTO);
- }
- }
-
- if (pack_bulk) {
- /* bulk checksum is right after the lustre msg */
- if (msg->lm_bufcount < 3) {
- CERROR("Invalid reply bufcount %u\n",
- msg->lm_bufcount);
- RETURN(-EPROTO);
- }
-
- rc = bulk_sec_desc_unpack(msg, 2, swabbed);
- if (rc) {
- CERROR("unpack bulk desc: %d\n", rc);
- RETURN(rc);
- }
- }
-
- req->rq_repmsg = lustre_msg_buf(msg, 1, 0);
- req->rq_replen = msg->lm_buflens[1];
- break;
- case PTLRPC_GSS_PROC_ERR:
- if (req->rq_early) {
- CERROR("server return error with early reply\n");
- rc = -EPROTO;
- } else {
- rc = gss_cli_ctx_handle_err_notify(ctx, req, ghdr);
- }
- break;
- default:
- CERROR("unknown gss proc %d\n", ghdr->gh_proc);
- rc = -EPROTO;
- }
-
- RETURN(rc);
-}
-
-int gss_cli_ctx_seal(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req)
-{
- struct gss_cli_ctx *gctx;
- rawobj_t hdrobj, msgobj, token;
- struct gss_header *ghdr;
- __u32 buflens[2], major;
- int wiresize, rc;
- ENTRY;
-
- LASSERT(req->rq_clrbuf);
- LASSERT(req->rq_cli_ctx == ctx);
- LASSERT(req->rq_reqlen);
-
- gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
-
- /* final clear data length */
- req->rq_clrdata_len = lustre_msg_size_v2(req->rq_clrbuf->lm_bufcount,
- req->rq_clrbuf->lm_buflens);
-
- /* calculate wire data length */
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = gss_cli_payload(&gctx->gc_base, req->rq_clrdata_len, 1);
- wiresize = lustre_msg_size_v2(2, buflens);
-
- /* allocate wire buffer */
- if (req->rq_pool) {
- /* pre-allocated */
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_reqbuf != req->rq_clrbuf);
- LASSERT(req->rq_reqbuf_len >= wiresize);
- } else {
- OBD_ALLOC_LARGE(req->rq_reqbuf, wiresize);
- if (!req->rq_reqbuf)
- RETURN(-ENOMEM);
- req->rq_reqbuf_len = wiresize;
- }
-
- lustre_init_msg_v2(req->rq_reqbuf, 2, buflens, NULL);
- req->rq_reqbuf->lm_secflvr = req->rq_flvr.sf_rpc;
-
- /* gss header */
- ghdr = lustre_msg_buf(req->rq_reqbuf, 0, 0);
- ghdr->gh_version = PTLRPC_GSS_VERSION;
- ghdr->gh_sp = (__u8) ctx->cc_sec->ps_part;
- ghdr->gh_flags = 0;
- ghdr->gh_proc = gctx->gc_proc;
- ghdr->gh_svc = SPTLRPC_SVC_PRIV;
- ghdr->gh_handle.len = gctx->gc_handle.len;
- memcpy(ghdr->gh_handle.data, gctx->gc_handle.data, gctx->gc_handle.len);
- if (req->rq_pack_bulk)
- ghdr->gh_flags |= LUSTRE_GSS_PACK_BULK;
- if (req->rq_pack_udesc)
- ghdr->gh_flags |= LUSTRE_GSS_PACK_USER;
+ ghdr = gss_swab_header(msg, 0, swabbed);
+ if (ghdr == NULL) {
+ CERROR("can't decode gss header\n");
+ RETURN(-EPROTO);
+ }
+
+ /* sanity checks */
+ reqhdr = lustre_msg_buf(msg, 0, sizeof(*reqhdr));
+ LASSERT(reqhdr);
+
+ if (ghdr->gh_version != reqhdr->gh_version) {
+ CERROR("gss version %u mismatch, expect %u\n",
+ ghdr->gh_version, reqhdr->gh_version);
+ RETURN(-EPROTO);
+ }
+
+ switch (ghdr->gh_proc) {
+ case PTLRPC_GSS_PROC_DATA:
+ pack_bulk = ghdr->gh_flags & LUSTRE_GSS_PACK_BULK;
+
+ if (!req->rq_early &&
+ !equi(req->rq_pack_bulk == 1, pack_bulk)) {
+ CERROR("%s bulk flag in reply\n",
+ req->rq_pack_bulk ? "missing" : "unexpected");
+ RETURN(-EPROTO);
+ }
+
+ if (ghdr->gh_seq != reqhdr->gh_seq) {
+ CERROR("seqnum %u mismatch, expect %u\n",
+ ghdr->gh_seq, reqhdr->gh_seq);
+ RETURN(-EPROTO);
+ }
+
+ if (ghdr->gh_svc != reqhdr->gh_svc) {
+ CERROR("svc %u mismatch, expect %u\n",
+ ghdr->gh_svc, reqhdr->gh_svc);
+ RETURN(-EPROTO);
+ }
+
+ if (swabbed)
+ gss_header_swabber(ghdr);
+
+ major = gss_verify_msg(msg, gctx->gc_mechctx, reqhdr->gh_svc);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("failed to verify reply: %x\n", major);
+ RETURN(-EPERM);
+ }
+
+ if (req->rq_early && reqhdr->gh_svc == SPTLRPC_SVC_NULL) {
+ __u32 cksum;
+
+ cksum = crc32_le(!(__u32) 0,
+ lustre_msg_buf(msg, 1, 0),
+ lustre_msg_buflen(msg, 1));
+ if (cksum != msg->lm_cksum) {
+ CWARN("early reply checksum mismatch: %08x != %08x\n",
+ cksum, msg->lm_cksum);
+ RETURN(-EPROTO);
+ }
+ }
+
+ if (pack_bulk) {
+ /* bulk checksum is right after the lustre msg */
+ if (msg->lm_bufcount < 3) {
+ CERROR("Invalid reply bufcount %u\n",
+ msg->lm_bufcount);
+ RETURN(-EPROTO);
+ }
+
+ rc = bulk_sec_desc_unpack(msg, 2, swabbed);
+ if (rc) {
+ CERROR("unpack bulk desc: %d\n", rc);
+ RETURN(rc);
+ }
+ }
+
+ req->rq_repmsg = lustre_msg_buf(msg, 1, 0);
+ req->rq_replen = msg->lm_buflens[1];
+ break;
+ case PTLRPC_GSS_PROC_ERR:
+ if (req->rq_early) {
+ CERROR("server return error with early reply\n");
+ rc = -EPROTO;
+ } else {
+ rc = gss_cli_ctx_handle_err_notify(ctx, req, ghdr);
+ }
+ break;
+ default:
+ CERROR("unknown gss proc %d\n", ghdr->gh_proc);
+ rc = -EPROTO;
+ }
+
+ RETURN(rc);
+}
+
+int gss_cli_ctx_seal(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
+{
+ struct gss_cli_ctx *gctx;
+ rawobj_t hdrobj, msgobj, token;
+ struct gss_header *ghdr;
+ __u32 buflens[2], major;
+ int wiresize, rc;
+ ENTRY;
+
+ LASSERT(req->rq_clrbuf);
+ LASSERT(req->rq_cli_ctx == ctx);
+ LASSERT(req->rq_reqlen);
+
+ gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
+
+ /* final clear data length */
+ req->rq_clrdata_len = lustre_msg_size_v2(req->rq_clrbuf->lm_bufcount,
+ req->rq_clrbuf->lm_buflens);
+
+ /* calculate wire data length */
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = gss_cli_payload(&gctx->gc_base, req->rq_clrdata_len, 1);
+ wiresize = lustre_msg_size_v2(2, buflens);
+
+ /* allocate wire buffer */
+ if (req->rq_pool) {
+ /* pre-allocated */
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_reqbuf != req->rq_clrbuf);
+ LASSERT(req->rq_reqbuf_len >= wiresize);
+ } else {
+ OBD_ALLOC_LARGE(req->rq_reqbuf, wiresize);
+ if (!req->rq_reqbuf)
+ RETURN(-ENOMEM);
+ req->rq_reqbuf_len = wiresize;
+ }
+
+ lustre_init_msg_v2(req->rq_reqbuf, 2, buflens, NULL);
+ req->rq_reqbuf->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ /* gss header */
+ ghdr = lustre_msg_buf(req->rq_reqbuf, 0, 0);
+ ghdr->gh_version = PTLRPC_GSS_VERSION;
+ ghdr->gh_sp = (__u8) ctx->cc_sec->ps_part;
+ ghdr->gh_flags = 0;
+ ghdr->gh_proc = gctx->gc_proc;
+ ghdr->gh_svc = SPTLRPC_SVC_PRIV;
+ ghdr->gh_handle.len = gctx->gc_handle.len;
+ memcpy(ghdr->gh_handle.data, gctx->gc_handle.data, gctx->gc_handle.len);
+ if (req->rq_pack_bulk)
+ ghdr->gh_flags |= LUSTRE_GSS_PACK_BULK;
+ if (req->rq_pack_udesc)
+ ghdr->gh_flags |= LUSTRE_GSS_PACK_USER;
redo:
ghdr->gh_seq = atomic_inc_return(&gctx->gc_seq);
- /* buffer objects */
- hdrobj.len = PTLRPC_GSS_HEADER_SIZE;
- hdrobj.data = (__u8 *) ghdr;
- msgobj.len = req->rq_clrdata_len;
- msgobj.data = (__u8 *) req->rq_clrbuf;
- token.len = lustre_msg_buflen(req->rq_reqbuf, 1);
- token.data = lustre_msg_buf(req->rq_reqbuf, 1, 0);
-
- major = lgss_wrap(gctx->gc_mechctx, &hdrobj, &msgobj,
- req->rq_clrbuf_len, &token);
- if (major != GSS_S_COMPLETE) {
- CERROR("priv: wrap message error: %08x\n", major);
- GOTO(err_free, rc = -EPERM);
- }
- LASSERT(token.len <= buflens[1]);
+ /* buffer objects */
+ hdrobj.len = PTLRPC_GSS_HEADER_SIZE;
+ hdrobj.data = (__u8 *) ghdr;
+ msgobj.len = req->rq_clrdata_len;
+ msgobj.data = (__u8 *) req->rq_clrbuf;
+ token.len = lustre_msg_buflen(req->rq_reqbuf, 1);
+ token.data = lustre_msg_buf(req->rq_reqbuf, 1, 0);
+
+ major = lgss_wrap(gctx->gc_mechctx, &hdrobj, &msgobj,
+ req->rq_clrbuf_len, &token);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("priv: wrap message error: %08x\n", major);
+ GOTO(err_free, rc = -EPERM);
+ }
+ LASSERT(token.len <= buflens[1]);
/* see explain in gss_cli_ctx_sign() */
if (unlikely(atomic_read(&gctx->gc_seq) - ghdr->gh_seq >
}
/* now set the final wire data length */
- req->rq_reqdata_len = lustre_shrink_msg(req->rq_reqbuf, 1, token.len,0);
+ req->rq_reqdata_len = lustre_shrink_msg(req->rq_reqbuf, 1, token.len,
+ 0);
RETURN(0);
err_free:
RETURN(rc);
}
-int gss_cli_ctx_unseal(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req)
+int gss_cli_ctx_unseal(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
{
- struct gss_cli_ctx *gctx;
- struct gss_header *ghdr;
- struct lustre_msg *msg = req->rq_repdata;
- int msglen, pack_bulk, swabbed, rc;
- __u32 major;
- ENTRY;
+ struct gss_cli_ctx *gctx;
+ struct gss_header *ghdr;
+ struct lustre_msg *msg = req->rq_repdata;
+ int msglen, pack_bulk, swabbed, rc;
+ __u32 major;
+ ENTRY;
- LASSERT(req->rq_cli_ctx == ctx);
- LASSERT(req->rq_ctx_init == 0);
- LASSERT(msg);
+ LASSERT(req->rq_cli_ctx == ctx);
+ LASSERT(req->rq_ctx_init == 0);
+ LASSERT(msg);
gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
swabbed = req_capsule_rep_need_swab(&req->rq_pill);
- ghdr = gss_swab_header(msg, 0, swabbed);
- if (ghdr == NULL) {
- CERROR("can't decode gss header\n");
- RETURN(-EPROTO);
- }
-
- /* sanity checks */
- if (ghdr->gh_version != PTLRPC_GSS_VERSION) {
- CERROR("gss version %u mismatch, expect %u\n",
- ghdr->gh_version, PTLRPC_GSS_VERSION);
- RETURN(-EPROTO);
- }
-
- switch (ghdr->gh_proc) {
- case PTLRPC_GSS_PROC_DATA:
- pack_bulk = ghdr->gh_flags & LUSTRE_GSS_PACK_BULK;
-
- if (!req->rq_early && !equi(req->rq_pack_bulk == 1, pack_bulk)){
- CERROR("%s bulk flag in reply\n",
- req->rq_pack_bulk ? "missing" : "unexpected");
- RETURN(-EPROTO);
- }
-
- if (swabbed)
- gss_header_swabber(ghdr);
-
- /* use rq_repdata_len as buffer size, which assume unseal
- * doesn't need extra memory space. for precise control, we'd
- * better calculate out actual buffer size as
- * (repbuf_len - offset - repdata_len) */
- major = gss_unseal_msg(gctx->gc_mechctx, msg,
- &msglen, req->rq_repdata_len);
- if (major != GSS_S_COMPLETE) {
- CERROR("failed to unwrap reply: %x\n", major);
- rc = -EPERM;
- break;
- }
-
- swabbed = __lustre_unpack_msg(msg, msglen);
- if (swabbed < 0) {
- CERROR("Failed to unpack after decryption\n");
- RETURN(-EPROTO);
- }
-
- if (msg->lm_bufcount < 1) {
- CERROR("Invalid reply buffer: empty\n");
- RETURN(-EPROTO);
- }
-
- if (pack_bulk) {
- if (msg->lm_bufcount < 2) {
- CERROR("bufcount %u: missing bulk sec desc\n",
- msg->lm_bufcount);
- RETURN(-EPROTO);
- }
-
- /* bulk checksum is the last segment */
- if (bulk_sec_desc_unpack(msg, msg->lm_bufcount - 1,
- swabbed))
- RETURN(-EPROTO);
- }
-
- req->rq_repmsg = lustre_msg_buf(msg, 0, 0);
- req->rq_replen = msg->lm_buflens[0];
-
- rc = 0;
- break;
- case PTLRPC_GSS_PROC_ERR:
- if (req->rq_early) {
- CERROR("server return error with early reply\n");
- rc = -EPROTO;
- } else {
- rc = gss_cli_ctx_handle_err_notify(ctx, req, ghdr);
- }
- break;
- default:
- CERROR("unexpected proc %d\n", ghdr->gh_proc);
- rc = -EPERM;
- }
-
- RETURN(rc);
-}
-
-/*********************************************
- * reverse context installation *
- *********************************************/
+ ghdr = gss_swab_header(msg, 0, swabbed);
+ if (ghdr == NULL) {
+ CERROR("can't decode gss header\n");
+ RETURN(-EPROTO);
+ }
+ /* sanity checks */
+ if (ghdr->gh_version != PTLRPC_GSS_VERSION) {
+ CERROR("gss version %u mismatch, expect %u\n",
+ ghdr->gh_version, PTLRPC_GSS_VERSION);
+ RETURN(-EPROTO);
+ }
+
+ switch (ghdr->gh_proc) {
+ case PTLRPC_GSS_PROC_DATA:
+ pack_bulk = ghdr->gh_flags & LUSTRE_GSS_PACK_BULK;
+
+ if (!req->rq_early && !equi(req->rq_pack_bulk == 1,
+ pack_bulk)) {
+ CERROR("%s bulk flag in reply\n",
+ req->rq_pack_bulk ? "missing" : "unexpected");
+ RETURN(-EPROTO);
+ }
+
+ if (swabbed)
+ gss_header_swabber(ghdr);
+
+ /* use rq_repdata_len as buffer size, which assume unseal
+ * doesn't need extra memory space. for precise control, we'd
+ * better calculate out actual buffer size as
+ * (repbuf_len - offset - repdata_len)
+ */
+ major = gss_unseal_msg(gctx->gc_mechctx, msg, &msglen,
+ req->rq_repdata_len);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("failed to unwrap reply: %x\n", major);
+ rc = -EPERM;
+ break;
+ }
+
+ swabbed = __lustre_unpack_msg(msg, msglen);
+ if (swabbed < 0) {
+ CERROR("Failed to unpack after decryption\n");
+ RETURN(-EPROTO);
+ }
+
+ if (msg->lm_bufcount < 1) {
+ CERROR("Invalid reply buffer: empty\n");
+ RETURN(-EPROTO);
+ }
+
+ if (pack_bulk) {
+ if (msg->lm_bufcount < 2) {
+ CERROR("bufcount %u: missing bulk sec desc\n",
+ msg->lm_bufcount);
+ RETURN(-EPROTO);
+ }
+
+ /* bulk checksum is the last segment */
+ if (bulk_sec_desc_unpack(msg, msg->lm_bufcount - 1,
+ swabbed))
+ RETURN(-EPROTO);
+ }
+
+ req->rq_repmsg = lustre_msg_buf(msg, 0, 0);
+ req->rq_replen = msg->lm_buflens[0];
+
+ rc = 0;
+ break;
+ case PTLRPC_GSS_PROC_ERR:
+ if (req->rq_early) {
+ CERROR("server return error with early reply\n");
+ rc = -EPROTO;
+ } else {
+ rc = gss_cli_ctx_handle_err_notify(ctx, req, ghdr);
+ }
+ break;
+ default:
+ CERROR("unexpected proc %d\n", ghdr->gh_proc);
+ rc = -EPERM;
+ }
+
+ RETURN(rc);
+}
+
+/* reverse context installation */
static inline
-int gss_install_rvs_svc_ctx(struct obd_import *imp,
- struct gss_sec *gsec,
- struct gss_cli_ctx *gctx)
+int gss_install_rvs_svc_ctx(struct obd_import *imp, struct gss_sec *gsec,
+ struct gss_cli_ctx *gctx)
{
- return gss_svc_upcall_install_rvs_ctx(imp, gsec, gctx);
+ return gss_svc_upcall_install_rvs_ctx(imp, gsec, gctx);
}
-/*********************************************
- * GSS security APIs *
- *********************************************/
+/* GSS security APIs */
int gss_sec_create_common(struct gss_sec *gsec,
- struct ptlrpc_sec_policy *policy,
- struct obd_import *imp,
- struct ptlrpc_svc_ctx *svcctx,
- struct sptlrpc_flavor *sf)
-{
- struct ptlrpc_sec *sec;
-
- LASSERT(imp);
- LASSERT(SPTLRPC_FLVR_POLICY(sf->sf_rpc) == SPTLRPC_POLICY_GSS);
-
- gsec->gs_mech = lgss_subflavor_to_mech(
- SPTLRPC_FLVR_BASE_SUB(sf->sf_rpc));
- if (!gsec->gs_mech) {
- CERROR("gss backend 0x%x not found\n",
- SPTLRPC_FLVR_BASE_SUB(sf->sf_rpc));
- return -EOPNOTSUPP;
- }
+ struct ptlrpc_sec_policy *policy,
+ struct obd_import *imp,
+ struct ptlrpc_svc_ctx *svcctx,
+ struct sptlrpc_flavor *sf)
+{
+ struct ptlrpc_sec *sec;
+
+ LASSERT(imp);
+ LASSERT(SPTLRPC_FLVR_POLICY(sf->sf_rpc) == SPTLRPC_POLICY_GSS);
+
+ gsec->gs_mech =
+ lgss_subflavor_to_mech(SPTLRPC_FLVR_BASE_SUB(sf->sf_rpc));
+ if (!gsec->gs_mech) {
+ CERROR("gss backend 0x%x not found\n",
+ SPTLRPC_FLVR_BASE_SUB(sf->sf_rpc));
+ return -EOPNOTSUPP;
+ }
spin_lock_init(&gsec->gs_lock);
- gsec->gs_rvs_hdl = 0ULL;
+ gsec->gs_rvs_hdl = 0ULL;
/* initialize upper ptlrpc_sec */
sec = &gsec->gs_base;
spin_lock_init(&sec->ps_lock);
INIT_LIST_HEAD(&sec->ps_gc_list);
- if (!svcctx) {
- sec->ps_gc_interval = GSS_GC_INTERVAL;
- } else {
- LASSERT(sec_is_reverse(sec));
+ if (!svcctx) {
+ sec->ps_gc_interval = GSS_GC_INTERVAL;
+ } else {
+ LASSERT(sec_is_reverse(sec));
- /* never do gc on reverse sec */
- sec->ps_gc_interval = 0;
- }
+ /* never do gc on reverse sec */
+ sec->ps_gc_interval = 0;
+ }
- if (SPTLRPC_FLVR_BULK_SVC(sec->ps_flvr.sf_rpc) == SPTLRPC_BULK_SVC_PRIV)
- sptlrpc_enc_pool_add_user();
+ if (SPTLRPC_FLVR_BULK_SVC(sec->ps_flvr.sf_rpc) == SPTLRPC_BULK_SVC_PRIV)
+ sptlrpc_enc_pool_add_user();
- CDEBUG(D_SEC, "create %s%s@%p\n", (svcctx ? "reverse " : ""),
- policy->sp_name, gsec);
- return 0;
+ CDEBUG(D_SEC, "create %s%s@%p\n", (svcctx ? "reverse " : ""),
+ policy->sp_name, gsec);
+ return 0;
}
void gss_sec_destroy_common(struct gss_sec *gsec)
sec->ps_dying = 1;
}
-int gss_cli_ctx_init_common(struct ptlrpc_sec *sec,
- struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_ctx_ops *ctxops,
- struct vfs_cred *vcred)
+int gss_cli_ctx_init_common(struct ptlrpc_sec *sec, struct ptlrpc_cli_ctx *ctx,
+ struct ptlrpc_ctx_ops *ctxops,
+ struct vfs_cred *vcred)
{
struct gss_cli_ctx *gctx = ctx2gctx(ctx);
* 1: the context has been taken care of by someone else
* 0: proceed to really destroy the context locally
*/
-int gss_cli_ctx_fini_common(struct ptlrpc_sec *sec,
- struct ptlrpc_cli_ctx *ctx)
+int gss_cli_ctx_fini_common(struct ptlrpc_sec *sec, struct ptlrpc_cli_ctx *ctx)
{
struct gss_cli_ctx *gctx = ctx2gctx(ctx);
/* the final context fini rpc will use this ctx too, and it's
* asynchronous which finished by request_out_callback(). so
* we add refcount, whoever drop finally drop the refcount to
- * 0 should responsible for the rest of destroy. */
+ * 0 should responsible for the rest of destroy.
+ */
atomic_inc(&ctx->cc_refcount);
gss_do_ctx_fini_rpc(gctx);
}
static
-int gss_alloc_reqbuf_intg(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int svc, int msgsize)
-{
- int bufsize, txtsize;
- int bufcnt = 2;
- __u32 buflens[5];
- ENTRY;
-
- /*
- * on-wire data layout:
- * - gss header
- * - lustre message
- * - user descriptor (optional)
- * - bulk sec descriptor (optional)
- * - signature (optional)
- * - svc == NULL: NULL
- * - svc == AUTH: signature of gss header
- * - svc == INTG: signature of all above
- *
- * if this is context negotiation, reserver fixed space
- * at the last (signature) segment regardless of svc mode.
- */
-
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- txtsize = buflens[0];
-
- buflens[1] = msgsize;
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[1];
-
- if (req->rq_pack_udesc) {
- buflens[bufcnt] = sptlrpc_current_user_desc_size();
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[bufcnt];
- bufcnt++;
- }
-
- if (req->rq_pack_bulk) {
- buflens[bufcnt] = gss_cli_bulk_payload(req->rq_cli_ctx,
- &req->rq_flvr,
- 0, req->rq_bulk_read);
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[bufcnt];
- bufcnt++;
- }
-
- if (req->rq_ctx_init)
- buflens[bufcnt++] = GSS_CTX_INIT_MAX_LEN;
- else if (svc != SPTLRPC_SVC_NULL)
- buflens[bufcnt++] = gss_cli_payload(req->rq_cli_ctx, txtsize,0);
-
- bufsize = lustre_msg_size_v2(bufcnt, buflens);
-
- if (!req->rq_reqbuf) {
- bufsize = size_roundup_power2(bufsize);
-
- OBD_ALLOC_LARGE(req->rq_reqbuf, bufsize);
- if (!req->rq_reqbuf)
- RETURN(-ENOMEM);
-
- req->rq_reqbuf_len = bufsize;
- } else {
- LASSERT(req->rq_pool);
- LASSERT(req->rq_reqbuf_len >= bufsize);
- memset(req->rq_reqbuf, 0, bufsize);
- }
-
- lustre_init_msg_v2(req->rq_reqbuf, bufcnt, buflens, NULL);
- req->rq_reqbuf->lm_secflvr = req->rq_flvr.sf_rpc;
-
- req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 1, msgsize);
- LASSERT(req->rq_reqmsg);
-
- /* pack user desc here, later we might leave current user's process */
- if (req->rq_pack_udesc)
- sptlrpc_pack_user_desc(req->rq_reqbuf, 2);
-
- RETURN(0);
+int gss_alloc_reqbuf_intg(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int svc, int msgsize)
+{
+ int bufsize, txtsize;
+ int bufcnt = 2;
+ __u32 buflens[5];
+ ENTRY;
+
+ /*
+ * on-wire data layout:
+ * - gss header
+ * - lustre message
+ * - user descriptor (optional)
+ * - bulk sec descriptor (optional)
+ * - signature (optional)
+ * - svc == NULL: NULL
+ * - svc == AUTH: signature of gss header
+ * - svc == INTG: signature of all above
+ *
+ * if this is context negotiation, reserver fixed space
+ * at the last (signature) segment regardless of svc mode.
+ */
+
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ txtsize = buflens[0];
+
+ buflens[1] = msgsize;
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[1];
+
+ if (req->rq_pack_udesc) {
+ buflens[bufcnt] = sptlrpc_current_user_desc_size();
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[bufcnt];
+ bufcnt++;
+ }
+
+ if (req->rq_pack_bulk) {
+ buflens[bufcnt] = gss_cli_bulk_payload(req->rq_cli_ctx,
+ &req->rq_flvr,
+ 0, req->rq_bulk_read);
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[bufcnt];
+ bufcnt++;
+ }
+
+ if (req->rq_ctx_init)
+ buflens[bufcnt++] = GSS_CTX_INIT_MAX_LEN;
+ else if (svc != SPTLRPC_SVC_NULL)
+ buflens[bufcnt++] = gss_cli_payload(req->rq_cli_ctx, txtsize,
+ 0);
+
+ bufsize = lustre_msg_size_v2(bufcnt, buflens);
+
+ if (!req->rq_reqbuf) {
+ bufsize = size_roundup_power2(bufsize);
+
+ OBD_ALLOC_LARGE(req->rq_reqbuf, bufsize);
+ if (!req->rq_reqbuf)
+ RETURN(-ENOMEM);
+
+ req->rq_reqbuf_len = bufsize;
+ } else {
+ LASSERT(req->rq_pool);
+ LASSERT(req->rq_reqbuf_len >= bufsize);
+ memset(req->rq_reqbuf, 0, bufsize);
+ }
+
+ lustre_init_msg_v2(req->rq_reqbuf, bufcnt, buflens, NULL);
+ req->rq_reqbuf->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 1, msgsize);
+ LASSERT(req->rq_reqmsg);
+
+ /* pack user desc here, later we might leave current user's process */
+ if (req->rq_pack_udesc)
+ sptlrpc_pack_user_desc(req->rq_reqbuf, 2);
+
+ RETURN(0);
}
static
-int gss_alloc_reqbuf_priv(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
-{
- __u32 ibuflens[3], wbuflens[2];
- int ibufcnt;
- int clearsize, wiresize;
- ENTRY;
-
- LASSERT(req->rq_clrbuf == NULL);
- LASSERT(req->rq_clrbuf_len == 0);
-
- /* Inner (clear) buffers
- * - lustre message
- * - user descriptor (optional)
- * - bulk checksum (optional)
- */
- ibufcnt = 1;
- ibuflens[0] = msgsize;
-
- if (req->rq_pack_udesc)
- ibuflens[ibufcnt++] = sptlrpc_current_user_desc_size();
- if (req->rq_pack_bulk)
- ibuflens[ibufcnt++] = gss_cli_bulk_payload(req->rq_cli_ctx,
- &req->rq_flvr, 0,
- req->rq_bulk_read);
-
- clearsize = lustre_msg_size_v2(ibufcnt, ibuflens);
- /* to allow append padding during encryption */
- clearsize += GSS_MAX_CIPHER_BLOCK;
-
- /* Wrapper (wire) buffers
- * - gss header
- * - cipher text
- */
- wbuflens[0] = PTLRPC_GSS_HEADER_SIZE;
- wbuflens[1] = gss_cli_payload(req->rq_cli_ctx, clearsize, 1);
- wiresize = lustre_msg_size_v2(2, wbuflens);
-
- if (req->rq_pool) {
- /* rq_reqbuf is preallocated */
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_reqbuf_len >= wiresize);
-
- memset(req->rq_reqbuf, 0, req->rq_reqbuf_len);
-
- /* if the pre-allocated buffer is big enough, we just pack
- * both clear buf & request buf in it, to avoid more alloc. */
- if (clearsize + wiresize <= req->rq_reqbuf_len) {
- req->rq_clrbuf =
- (void *) (((char *) req->rq_reqbuf) + wiresize);
- } else {
- CWARN("pre-allocated buf size %d is not enough for "
- "both clear (%d) and cipher (%d) text, proceed "
- "with extra allocation\n", req->rq_reqbuf_len,
- clearsize, wiresize);
- }
- }
-
- if (!req->rq_clrbuf) {
- clearsize = size_roundup_power2(clearsize);
-
- OBD_ALLOC_LARGE(req->rq_clrbuf, clearsize);
- if (!req->rq_clrbuf)
- RETURN(-ENOMEM);
- }
- req->rq_clrbuf_len = clearsize;
-
- lustre_init_msg_v2(req->rq_clrbuf, ibufcnt, ibuflens, NULL);
- req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, msgsize);
-
- if (req->rq_pack_udesc)
- sptlrpc_pack_user_desc(req->rq_clrbuf, 1);
-
- RETURN(0);
+int gss_alloc_reqbuf_priv(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int msgsize)
+{
+ __u32 ibuflens[3], wbuflens[2];
+ int ibufcnt;
+ int clearsize, wiresize;
+ ENTRY;
+
+ LASSERT(req->rq_clrbuf == NULL);
+ LASSERT(req->rq_clrbuf_len == 0);
+
+ /* Inner (clear) buffers
+ * - lustre message
+ * - user descriptor (optional)
+ * - bulk checksum (optional)
+ */
+ ibufcnt = 1;
+ ibuflens[0] = msgsize;
+
+ if (req->rq_pack_udesc)
+ ibuflens[ibufcnt++] = sptlrpc_current_user_desc_size();
+ if (req->rq_pack_bulk)
+ ibuflens[ibufcnt++] = gss_cli_bulk_payload(req->rq_cli_ctx,
+ &req->rq_flvr, 0,
+ req->rq_bulk_read);
+
+ clearsize = lustre_msg_size_v2(ibufcnt, ibuflens);
+ /* to allow append padding during encryption */
+ clearsize += GSS_MAX_CIPHER_BLOCK;
+
+ /* Wrapper (wire) buffers
+ * - gss header
+ * - cipher text
+ */
+ wbuflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ wbuflens[1] = gss_cli_payload(req->rq_cli_ctx, clearsize, 1);
+ wiresize = lustre_msg_size_v2(2, wbuflens);
+
+ if (req->rq_pool) {
+ /* rq_reqbuf is preallocated */
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_reqbuf_len >= wiresize);
+
+ memset(req->rq_reqbuf, 0, req->rq_reqbuf_len);
+
+ /* if the pre-allocated buffer is big enough, we just pack
+ * both clear buf & request buf in it, to avoid more alloc.
+ */
+ if (clearsize + wiresize <= req->rq_reqbuf_len) {
+ req->rq_clrbuf =
+ (void *) (((char *) req->rq_reqbuf) + wiresize);
+ } else {
+ CWARN("pre-allocated buf size %d is not enough for both clear (%d) and cipher (%d) text, proceed with extra allocation\n",
+ req->rq_reqbuf_len, clearsize, wiresize);
+ }
+ }
+
+ if (!req->rq_clrbuf) {
+ clearsize = size_roundup_power2(clearsize);
+
+ OBD_ALLOC_LARGE(req->rq_clrbuf, clearsize);
+ if (!req->rq_clrbuf)
+ RETURN(-ENOMEM);
+ }
+ req->rq_clrbuf_len = clearsize;
+
+ lustre_init_msg_v2(req->rq_clrbuf, ibufcnt, ibuflens, NULL);
+ req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, msgsize);
+
+ if (req->rq_pack_udesc)
+ sptlrpc_pack_user_desc(req->rq_clrbuf, 1);
+
+ RETURN(0);
}
/*
* NOTE: any change of request buffer allocation should also consider
* changing enlarge_reqbuf() series functions.
*/
-int gss_alloc_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
-{
- int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
-
- LASSERT(!req->rq_pack_bulk ||
- (req->rq_bulk_read || req->rq_bulk_write));
-
- switch (svc) {
- case SPTLRPC_SVC_NULL:
- case SPTLRPC_SVC_AUTH:
- case SPTLRPC_SVC_INTG:
- return gss_alloc_reqbuf_intg(sec, req, svc, msgsize);
- case SPTLRPC_SVC_PRIV:
- return gss_alloc_reqbuf_priv(sec, req, msgsize);
- default:
- LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
- return 0;
- }
+int gss_alloc_reqbuf(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int msgsize)
+{
+ int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
+
+ LASSERT(!req->rq_pack_bulk ||
+ (req->rq_bulk_read || req->rq_bulk_write));
+
+ switch (svc) {
+ case SPTLRPC_SVC_NULL:
+ case SPTLRPC_SVC_AUTH:
+ case SPTLRPC_SVC_INTG:
+ return gss_alloc_reqbuf_intg(sec, req, svc, msgsize);
+ case SPTLRPC_SVC_PRIV:
+ return gss_alloc_reqbuf_priv(sec, req, msgsize);
+ default:
+ LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
+ return 0;
+ }
}
-void gss_free_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req)
+void gss_free_reqbuf(struct ptlrpc_sec *sec, struct ptlrpc_request *req)
{
- int privacy;
- ENTRY;
+ int privacy;
+ ENTRY;
- LASSERT(!req->rq_pool || req->rq_reqbuf);
- privacy = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc) == SPTLRPC_SVC_PRIV;
+ LASSERT(!req->rq_pool || req->rq_reqbuf);
+ privacy = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc) == SPTLRPC_SVC_PRIV;
- if (!req->rq_clrbuf)
- goto release_reqbuf;
+ if (!req->rq_clrbuf)
+ goto release_reqbuf;
- /* release clear buffer */
- LASSERT(privacy);
- LASSERT(req->rq_clrbuf_len);
+ /* release clear buffer */
+ LASSERT(privacy);
+ LASSERT(req->rq_clrbuf_len);
- if (req->rq_pool == NULL ||
- req->rq_clrbuf < req->rq_reqbuf ||
- (char *) req->rq_clrbuf >=
- (char *) req->rq_reqbuf + req->rq_reqbuf_len)
- OBD_FREE_LARGE(req->rq_clrbuf, req->rq_clrbuf_len);
+ if (req->rq_pool == NULL || req->rq_clrbuf < req->rq_reqbuf ||
+ (char *) req->rq_clrbuf >= (char *) req->rq_reqbuf +
+ req->rq_reqbuf_len)
+ OBD_FREE_LARGE(req->rq_clrbuf, req->rq_clrbuf_len);
- req->rq_clrbuf = NULL;
- req->rq_clrbuf_len = 0;
+ req->rq_clrbuf = NULL;
+ req->rq_clrbuf_len = 0;
release_reqbuf:
- if (!req->rq_pool && req->rq_reqbuf) {
- LASSERT(req->rq_reqbuf_len);
+ if (!req->rq_pool && req->rq_reqbuf) {
+ LASSERT(req->rq_reqbuf_len);
- OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
- req->rq_reqbuf = NULL;
- req->rq_reqbuf_len = 0;
- }
+ OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
+ req->rq_reqbuf = NULL;
+ req->rq_reqbuf_len = 0;
+ }
- EXIT;
+ EXIT;
}
static int do_alloc_repbuf(struct ptlrpc_request *req, int bufsize)
{
- bufsize = size_roundup_power2(bufsize);
+ bufsize = size_roundup_power2(bufsize);
- OBD_ALLOC_LARGE(req->rq_repbuf, bufsize);
- if (!req->rq_repbuf)
- return -ENOMEM;
+ OBD_ALLOC_LARGE(req->rq_repbuf, bufsize);
+ if (!req->rq_repbuf)
+ return -ENOMEM;
- req->rq_repbuf_len = bufsize;
- return 0;
+ req->rq_repbuf_len = bufsize;
+ return 0;
}
static
-int gss_alloc_repbuf_intg(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int svc, int msgsize)
-{
- int txtsize;
- __u32 buflens[4];
- int bufcnt = 2;
- int alloc_size;
-
- /*
- * on-wire data layout:
- * - gss header
- * - lustre message
- * - bulk sec descriptor (optional)
- * - signature (optional)
- * - svc == NULL: NULL
- * - svc == AUTH: signature of gss header
- * - svc == INTG: signature of all above
- *
- * if this is context negotiation, reserver fixed space
- * at the last (signature) segment regardless of svc mode.
- */
-
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- txtsize = buflens[0];
-
- buflens[1] = msgsize;
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[1];
-
- if (req->rq_pack_bulk) {
- buflens[bufcnt] = gss_cli_bulk_payload(req->rq_cli_ctx,
- &req->rq_flvr,
- 1, req->rq_bulk_read);
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[bufcnt];
- bufcnt++;
- }
-
- if (req->rq_ctx_init)
- buflens[bufcnt++] = GSS_CTX_INIT_MAX_LEN;
- else if (svc != SPTLRPC_SVC_NULL)
- buflens[bufcnt++] = gss_cli_payload(req->rq_cli_ctx, txtsize,0);
-
- alloc_size = lustre_msg_size_v2(bufcnt, buflens);
-
- /* add space for early reply */
- alloc_size += gss_at_reply_off_integ;
-
- return do_alloc_repbuf(req, alloc_size);
+int gss_alloc_repbuf_intg(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int svc, int msgsize)
+{
+ int txtsize;
+ __u32 buflens[4];
+ int bufcnt = 2;
+ int alloc_size;
+
+ /*
+ * on-wire data layout:
+ * - gss header
+ * - lustre message
+ * - bulk sec descriptor (optional)
+ * - signature (optional)
+ * - svc == NULL: NULL
+ * - svc == AUTH: signature of gss header
+ * - svc == INTG: signature of all above
+ *
+ * if this is context negotiation, reserver fixed space
+ * at the last (signature) segment regardless of svc mode.
+ */
+
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ txtsize = buflens[0];
+
+ buflens[1] = msgsize;
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[1];
+
+ if (req->rq_pack_bulk) {
+ buflens[bufcnt] = gss_cli_bulk_payload(req->rq_cli_ctx,
+ &req->rq_flvr, 1,
+ req->rq_bulk_read);
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[bufcnt];
+ bufcnt++;
+ }
+
+ if (req->rq_ctx_init)
+ buflens[bufcnt++] = GSS_CTX_INIT_MAX_LEN;
+ else if (svc != SPTLRPC_SVC_NULL)
+ buflens[bufcnt++] = gss_cli_payload(req->rq_cli_ctx, txtsize,
+ 0);
+
+ alloc_size = lustre_msg_size_v2(bufcnt, buflens);
+
+ /* add space for early reply */
+ alloc_size += gss_at_reply_off_integ;
+
+ return do_alloc_repbuf(req, alloc_size);
}
static
-int gss_alloc_repbuf_priv(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
+int gss_alloc_repbuf_priv(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int msgsize)
{
- int txtsize;
- __u32 buflens[2];
- int bufcnt;
- int alloc_size;
+ int txtsize;
+ __u32 buflens[2];
+ int bufcnt;
+ int alloc_size;
- /* inner buffers */
- bufcnt = 1;
- buflens[0] = msgsize;
+ /* inner buffers */
+ bufcnt = 1;
+ buflens[0] = msgsize;
- if (req->rq_pack_bulk)
- buflens[bufcnt++] = gss_cli_bulk_payload(req->rq_cli_ctx,
- &req->rq_flvr,
- 1, req->rq_bulk_read);
- txtsize = lustre_msg_size_v2(bufcnt, buflens);
- txtsize += GSS_MAX_CIPHER_BLOCK;
+ if (req->rq_pack_bulk)
+ buflens[bufcnt++] = gss_cli_bulk_payload(req->rq_cli_ctx,
+ &req->rq_flvr, 1,
+ req->rq_bulk_read);
+ txtsize = lustre_msg_size_v2(bufcnt, buflens);
+ txtsize += GSS_MAX_CIPHER_BLOCK;
- /* wrapper buffers */
- bufcnt = 2;
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = gss_cli_payload(req->rq_cli_ctx, txtsize, 1);
+ /* wrapper buffers */
+ bufcnt = 2;
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = gss_cli_payload(req->rq_cli_ctx, txtsize, 1);
- alloc_size = lustre_msg_size_v2(bufcnt, buflens);
- /* add space for early reply */
- alloc_size += gss_at_reply_off_priv;
+ alloc_size = lustre_msg_size_v2(bufcnt, buflens);
+ /* add space for early reply */
+ alloc_size += gss_at_reply_off_priv;
- return do_alloc_repbuf(req, alloc_size);
+ return do_alloc_repbuf(req, alloc_size);
}
-int gss_alloc_repbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
+int gss_alloc_repbuf(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int msgsize)
{
- int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
- ENTRY;
-
- LASSERT(!req->rq_pack_bulk ||
- (req->rq_bulk_read || req->rq_bulk_write));
+ int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
+ ENTRY;
- switch (svc) {
- case SPTLRPC_SVC_NULL:
- case SPTLRPC_SVC_AUTH:
- case SPTLRPC_SVC_INTG:
- return gss_alloc_repbuf_intg(sec, req, svc, msgsize);
- case SPTLRPC_SVC_PRIV:
- return gss_alloc_repbuf_priv(sec, req, msgsize);
- default:
- LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
- return 0;
- }
+ LASSERT(!req->rq_pack_bulk ||
+ (req->rq_bulk_read || req->rq_bulk_write));
+
+ switch (svc) {
+ case SPTLRPC_SVC_NULL:
+ case SPTLRPC_SVC_AUTH:
+ case SPTLRPC_SVC_INTG:
+ return gss_alloc_repbuf_intg(sec, req, svc, msgsize);
+ case SPTLRPC_SVC_PRIV:
+ return gss_alloc_repbuf_priv(sec, req, msgsize);
+ default:
+ LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
+ return 0;
+ }
}
-void gss_free_repbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req)
+void gss_free_repbuf(struct ptlrpc_sec *sec, struct ptlrpc_request *req)
{
- OBD_FREE_LARGE(req->rq_repbuf, req->rq_repbuf_len);
- req->rq_repbuf = NULL;
- req->rq_repbuf_len = 0;
- req->rq_repdata = NULL;
- req->rq_repdata_len = 0;
+ OBD_FREE_LARGE(req->rq_repbuf, req->rq_repbuf_len);
+ req->rq_repbuf = NULL;
+ req->rq_repbuf_len = 0;
+ req->rq_repdata = NULL;
+ req->rq_repdata_len = 0;
}
-static int get_enlarged_msgsize(struct lustre_msg *msg,
- int segment, int newsize)
+static int get_enlarged_msgsize(struct lustre_msg *msg, int segment,
+ int newsize)
{
- int save, newmsg_size;
+ int save, newmsg_size;
- LASSERT(newsize >= msg->lm_buflens[segment]);
+ LASSERT(newsize >= msg->lm_buflens[segment]);
- save = msg->lm_buflens[segment];
- msg->lm_buflens[segment] = newsize;
- newmsg_size = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
- msg->lm_buflens[segment] = save;
+ save = msg->lm_buflens[segment];
+ msg->lm_buflens[segment] = newsize;
+ newmsg_size = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+ msg->lm_buflens[segment] = save;
- return newmsg_size;
+ return newmsg_size;
}
-static int get_enlarged_msgsize2(struct lustre_msg *msg,
- int segment1, int newsize1,
- int segment2, int newsize2)
+static int get_enlarged_msgsize2(struct lustre_msg *msg, int segment1,
+ int newsize1, int segment2, int newsize2)
{
- int save1, save2, newmsg_size;
+ int save1, save2, newmsg_size;
- LASSERT(newsize1 >= msg->lm_buflens[segment1]);
- LASSERT(newsize2 >= msg->lm_buflens[segment2]);
+ LASSERT(newsize1 >= msg->lm_buflens[segment1]);
+ LASSERT(newsize2 >= msg->lm_buflens[segment2]);
- save1 = msg->lm_buflens[segment1];
- save2 = msg->lm_buflens[segment2];
- msg->lm_buflens[segment1] = newsize1;
- msg->lm_buflens[segment2] = newsize2;
- newmsg_size = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
- msg->lm_buflens[segment1] = save1;
- msg->lm_buflens[segment2] = save2;
+ save1 = msg->lm_buflens[segment1];
+ save2 = msg->lm_buflens[segment2];
+ msg->lm_buflens[segment1] = newsize1;
+ msg->lm_buflens[segment2] = newsize2;
+ newmsg_size = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+ msg->lm_buflens[segment1] = save1;
+ msg->lm_buflens[segment2] = save2;
- return newmsg_size;
+ return newmsg_size;
}
static
-int gss_enlarge_reqbuf_intg(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int svc,
- int segment, int newsize)
-{
- struct lustre_msg *newbuf;
- int txtsize, sigsize = 0, i;
- int newmsg_size, newbuf_size;
-
- /*
- * gss header is at seg 0;
- * embedded msg is at seg 1;
- * signature (if any) is at the last seg
- */
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_reqbuf_len > req->rq_reqlen);
- LASSERT(req->rq_reqbuf->lm_bufcount >= 2);
- LASSERT(lustre_msg_buf(req->rq_reqbuf, 1, 0) == req->rq_reqmsg);
-
- /* 1. compute new embedded msg size */
- newmsg_size = get_enlarged_msgsize(req->rq_reqmsg, segment, newsize);
- LASSERT(newmsg_size >= req->rq_reqbuf->lm_buflens[1]);
-
- /* 2. compute new wrapper msg size */
- if (svc == SPTLRPC_SVC_NULL) {
- /* no signature, get size directly */
- newbuf_size = get_enlarged_msgsize(req->rq_reqbuf,
- 1, newmsg_size);
- } else {
- txtsize = req->rq_reqbuf->lm_buflens[0];
-
- if (svc == SPTLRPC_SVC_INTG) {
- for (i = 1; i < req->rq_reqbuf->lm_bufcount; i++)
- txtsize += req->rq_reqbuf->lm_buflens[i];
- txtsize += newmsg_size - req->rq_reqbuf->lm_buflens[1];
- }
-
- sigsize = gss_cli_payload(req->rq_cli_ctx, txtsize, 0);
- LASSERT(sigsize >= msg_last_seglen(req->rq_reqbuf));
-
- newbuf_size = get_enlarged_msgsize2(
- req->rq_reqbuf,
- 1, newmsg_size,
- msg_last_segidx(req->rq_reqbuf),
- sigsize);
- }
-
- /* request from pool should always have enough buffer */
- LASSERT(!req->rq_pool || req->rq_reqbuf_len >= newbuf_size);
-
- if (req->rq_reqbuf_len < newbuf_size) {
- newbuf_size = size_roundup_power2(newbuf_size);
-
- OBD_ALLOC_LARGE(newbuf, newbuf_size);
- if (newbuf == NULL)
- RETURN(-ENOMEM);
+int gss_enlarge_reqbuf_intg(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int svc, int segment, int newsize)
+{
+ struct lustre_msg *newbuf;
+ int txtsize, sigsize = 0, i;
+ int newmsg_size, newbuf_size;
+
+ /*
+ * gss header is at seg 0;
+ * embedded msg is at seg 1;
+ * signature (if any) is at the last seg
+ */
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_reqbuf_len > req->rq_reqlen);
+ LASSERT(req->rq_reqbuf->lm_bufcount >= 2);
+ LASSERT(lustre_msg_buf(req->rq_reqbuf, 1, 0) == req->rq_reqmsg);
+
+ /* 1. compute new embedded msg size */
+ newmsg_size = get_enlarged_msgsize(req->rq_reqmsg, segment, newsize);
+ LASSERT(newmsg_size >= req->rq_reqbuf->lm_buflens[1]);
+
+ /* 2. compute new wrapper msg size */
+ if (svc == SPTLRPC_SVC_NULL) {
+ /* no signature, get size directly */
+ newbuf_size = get_enlarged_msgsize(req->rq_reqbuf, 1,
+ newmsg_size);
+ } else {
+ txtsize = req->rq_reqbuf->lm_buflens[0];
+
+ if (svc == SPTLRPC_SVC_INTG) {
+ for (i = 1; i < req->rq_reqbuf->lm_bufcount; i++)
+ txtsize += req->rq_reqbuf->lm_buflens[i];
+ txtsize += newmsg_size - req->rq_reqbuf->lm_buflens[1];
+ }
+
+ sigsize = gss_cli_payload(req->rq_cli_ctx, txtsize, 0);
+ LASSERT(sigsize >= msg_last_seglen(req->rq_reqbuf));
+
+ newbuf_size = get_enlarged_msgsize2(req->rq_reqbuf, 1,
+ newmsg_size,
+ msg_last_segidx(req->rq_reqbuf),
+ sigsize);
+ }
+
+ /* request from pool should always have enough buffer */
+ LASSERT(!req->rq_pool || req->rq_reqbuf_len >= newbuf_size);
+
+ if (req->rq_reqbuf_len < newbuf_size) {
+ newbuf_size = size_roundup_power2(newbuf_size);
+
+ OBD_ALLOC_LARGE(newbuf, newbuf_size);
+ if (newbuf == NULL)
+ RETURN(-ENOMEM);
/* Must lock this, so that otherwise unprotected change of
* rq_reqmsg is not racing with parallel processing of
* imp_replay_list traversing threads. See LU-3333
* This is a bandaid at best, we really need to deal with this
* in request enlarging code before unpacking that's already
- * there */
+ * there
+ */
if (req->rq_import)
spin_lock(&req->rq_import->imp_lock);
- memcpy(newbuf, req->rq_reqbuf, req->rq_reqbuf_len);
+ memcpy(newbuf, req->rq_reqbuf, req->rq_reqbuf_len);
- OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
- req->rq_reqbuf = newbuf;
- req->rq_reqbuf_len = newbuf_size;
- req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 1, 0);
+ OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
+ req->rq_reqbuf = newbuf;
+ req->rq_reqbuf_len = newbuf_size;
+ req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 1, 0);
if (req->rq_import)
spin_unlock(&req->rq_import->imp_lock);
- }
+ }
- /* do enlargement, from wrapper to embedded, from end to begin */
- if (svc != SPTLRPC_SVC_NULL)
- _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf,
- msg_last_segidx(req->rq_reqbuf),
- sigsize);
+ /* do enlargement, from wrapper to embedded, from end to begin */
+ if (svc != SPTLRPC_SVC_NULL)
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf,
+ msg_last_segidx(req->rq_reqbuf),
+ sigsize);
- _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf, 1, newmsg_size);
- _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf, 1, newmsg_size);
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
- req->rq_reqlen = newmsg_size;
- RETURN(0);
+ req->rq_reqlen = newmsg_size;
+ RETURN(0);
}
static
-int gss_enlarge_reqbuf_priv(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int segment, int newsize)
-{
- struct lustre_msg *newclrbuf;
- int newmsg_size, newclrbuf_size, newcipbuf_size;
- __u32 buflens[3];
-
- /*
- * embedded msg is at seg 0 of clear buffer;
- * cipher text is at seg 2 of cipher buffer;
- */
- LASSERT(req->rq_pool ||
- (req->rq_reqbuf == NULL && req->rq_reqbuf_len == 0));
- LASSERT(req->rq_reqbuf == NULL ||
- (req->rq_pool && req->rq_reqbuf->lm_bufcount == 3));
- LASSERT(req->rq_clrbuf);
- LASSERT(req->rq_clrbuf_len > req->rq_reqlen);
- LASSERT(lustre_msg_buf(req->rq_clrbuf, 0, 0) == req->rq_reqmsg);
-
- /* compute new embedded msg size */
- newmsg_size = get_enlarged_msgsize(req->rq_reqmsg, segment, newsize);
-
- /* compute new clear buffer size */
- newclrbuf_size = get_enlarged_msgsize(req->rq_clrbuf, 0, newmsg_size);
- newclrbuf_size += GSS_MAX_CIPHER_BLOCK;
-
- /* compute new cipher buffer size */
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = gss_cli_payload(req->rq_cli_ctx, buflens[0], 0);
- buflens[2] = gss_cli_payload(req->rq_cli_ctx, newclrbuf_size, 1);
- newcipbuf_size = lustre_msg_size_v2(3, buflens);
-
- /* handle the case that we put both clear buf and cipher buf into
- * pre-allocated single buffer. */
- if (unlikely(req->rq_pool) &&
- req->rq_clrbuf >= req->rq_reqbuf &&
- (char *) req->rq_clrbuf <
- (char *) req->rq_reqbuf + req->rq_reqbuf_len) {
- /* it couldn't be better we still fit into the
- * pre-allocated buffer. */
- if (newclrbuf_size + newcipbuf_size <= req->rq_reqbuf_len) {
- void *src, *dst;
+int gss_enlarge_reqbuf_priv(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int segment, int newsize)
+{
+ struct lustre_msg *newclrbuf;
+ int newmsg_size, newclrbuf_size, newcipbuf_size;
+ __u32 buflens[3];
+
+ /*
+ * embedded msg is at seg 0 of clear buffer;
+ * cipher text is at seg 2 of cipher buffer;
+ */
+ LASSERT(req->rq_pool ||
+ (req->rq_reqbuf == NULL && req->rq_reqbuf_len == 0));
+ LASSERT(req->rq_reqbuf == NULL ||
+ (req->rq_pool && req->rq_reqbuf->lm_bufcount == 3));
+ LASSERT(req->rq_clrbuf);
+ LASSERT(req->rq_clrbuf_len > req->rq_reqlen);
+ LASSERT(lustre_msg_buf(req->rq_clrbuf, 0, 0) == req->rq_reqmsg);
+
+ /* compute new embedded msg size */
+ newmsg_size = get_enlarged_msgsize(req->rq_reqmsg, segment, newsize);
+
+ /* compute new clear buffer size */
+ newclrbuf_size = get_enlarged_msgsize(req->rq_clrbuf, 0, newmsg_size);
+ newclrbuf_size += GSS_MAX_CIPHER_BLOCK;
+
+ /* compute new cipher buffer size */
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = gss_cli_payload(req->rq_cli_ctx, buflens[0], 0);
+ buflens[2] = gss_cli_payload(req->rq_cli_ctx, newclrbuf_size, 1);
+ newcipbuf_size = lustre_msg_size_v2(3, buflens);
+
+ /* handle the case that we put both clear buf and cipher buf into
+ * pre-allocated single buffer.
+ */
+ if (unlikely(req->rq_pool) && req->rq_clrbuf >= req->rq_reqbuf &&
+ (char *) req->rq_clrbuf < (char *) req->rq_reqbuf +
+ req->rq_reqbuf_len) {
+ /* it couldn't be better we still fit into the
+ * pre-allocated buffer.
+ */
+ if (newclrbuf_size + newcipbuf_size <= req->rq_reqbuf_len) {
+ void *src, *dst;
if (req->rq_import)
spin_lock(&req->rq_import->imp_lock);
- /* move clear text backward. */
- src = req->rq_clrbuf;
- dst = (char *) req->rq_reqbuf + newcipbuf_size;
+ /* move clear text backward. */
+ src = req->rq_clrbuf;
+ dst = (char *) req->rq_reqbuf + newcipbuf_size;
- memmove(dst, src, req->rq_clrbuf_len);
+ memmove(dst, src, req->rq_clrbuf_len);
- req->rq_clrbuf = (struct lustre_msg *) dst;
- req->rq_clrbuf_len = newclrbuf_size;
- req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, 0);
+ req->rq_clrbuf = (struct lustre_msg *) dst;
+ req->rq_clrbuf_len = newclrbuf_size;
+ req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, 0);
if (req->rq_import)
spin_unlock(&req->rq_import->imp_lock);
- } else {
- /* sadly we have to split out the clear buffer */
- LASSERT(req->rq_reqbuf_len >= newcipbuf_size);
- LASSERT(req->rq_clrbuf_len < newclrbuf_size);
- }
- }
+ } else {
+ /* sadly we have to split out the clear buffer */
+ LASSERT(req->rq_reqbuf_len >= newcipbuf_size);
+ LASSERT(req->rq_clrbuf_len < newclrbuf_size);
+ }
+ }
- if (req->rq_clrbuf_len < newclrbuf_size) {
- newclrbuf_size = size_roundup_power2(newclrbuf_size);
+ if (req->rq_clrbuf_len < newclrbuf_size) {
+ newclrbuf_size = size_roundup_power2(newclrbuf_size);
- OBD_ALLOC_LARGE(newclrbuf, newclrbuf_size);
- if (newclrbuf == NULL)
- RETURN(-ENOMEM);
+ OBD_ALLOC_LARGE(newclrbuf, newclrbuf_size);
+ if (newclrbuf == NULL)
+ RETURN(-ENOMEM);
/* Must lock this, so that otherwise unprotected change of
* rq_reqmsg is not racing with parallel processing of
* imp_replay_list traversing threads. See LU-3333
* This is a bandaid at best, we really need to deal with this
* in request enlarging code before unpacking that's already
- * there */
+ * there
+ */
if (req->rq_import)
spin_lock(&req->rq_import->imp_lock);
- memcpy(newclrbuf, req->rq_clrbuf, req->rq_clrbuf_len);
+ memcpy(newclrbuf, req->rq_clrbuf, req->rq_clrbuf_len);
- if (req->rq_reqbuf == NULL ||
- req->rq_clrbuf < req->rq_reqbuf ||
- (char *) req->rq_clrbuf >=
- (char *) req->rq_reqbuf + req->rq_reqbuf_len) {
- OBD_FREE_LARGE(req->rq_clrbuf, req->rq_clrbuf_len);
- }
+ if (req->rq_reqbuf == NULL || req->rq_clrbuf < req->rq_reqbuf ||
+ (char *) req->rq_clrbuf >= (char *) req->rq_reqbuf +
+ req->rq_reqbuf_len) {
+ OBD_FREE_LARGE(req->rq_clrbuf, req->rq_clrbuf_len);
+ }
- req->rq_clrbuf = newclrbuf;
- req->rq_clrbuf_len = newclrbuf_size;
- req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, 0);
+ req->rq_clrbuf = newclrbuf;
+ req->rq_clrbuf_len = newclrbuf_size;
+ req->rq_reqmsg = lustre_msg_buf(req->rq_clrbuf, 0, 0);
if (req->rq_import)
spin_unlock(&req->rq_import->imp_lock);
- }
+ }
- _sptlrpc_enlarge_msg_inplace(req->rq_clrbuf, 0, newmsg_size);
- _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
- req->rq_reqlen = newmsg_size;
+ _sptlrpc_enlarge_msg_inplace(req->rq_clrbuf, 0, newmsg_size);
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
+ req->rq_reqlen = newmsg_size;
- RETURN(0);
+ RETURN(0);
}
-int gss_enlarge_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int segment, int newsize)
+int gss_enlarge_reqbuf(struct ptlrpc_sec *sec, struct ptlrpc_request *req,
+ int segment, int newsize)
{
- int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
+ int svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
- LASSERT(!req->rq_ctx_init && !req->rq_ctx_fini);
+ LASSERT(!req->rq_ctx_init && !req->rq_ctx_fini);
- switch (svc) {
- case SPTLRPC_SVC_NULL:
- case SPTLRPC_SVC_AUTH:
- case SPTLRPC_SVC_INTG:
- return gss_enlarge_reqbuf_intg(sec, req, svc, segment, newsize);
- case SPTLRPC_SVC_PRIV:
- return gss_enlarge_reqbuf_priv(sec, req, segment, newsize);
- default:
- LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
- return 0;
- }
+ switch (svc) {
+ case SPTLRPC_SVC_NULL:
+ case SPTLRPC_SVC_AUTH:
+ case SPTLRPC_SVC_INTG:
+ return gss_enlarge_reqbuf_intg(sec, req, svc, segment, newsize);
+ case SPTLRPC_SVC_PRIV:
+ return gss_enlarge_reqbuf_priv(sec, req, segment, newsize);
+ default:
+ LASSERTF(0, "bad rpc flavor %x\n", req->rq_flvr.sf_rpc);
+ return 0;
+ }
}
-int gss_sec_install_rctx(struct obd_import *imp,
- struct ptlrpc_sec *sec,
- struct ptlrpc_cli_ctx *ctx)
+int gss_sec_install_rctx(struct obd_import *imp, struct ptlrpc_sec *sec,
+ struct ptlrpc_cli_ctx *ctx)
{
- struct gss_sec *gsec;
- struct gss_cli_ctx *gctx;
- int rc;
+ struct gss_sec *gsec;
+ struct gss_cli_ctx *gctx;
+ int rc;
- gsec = container_of(sec, struct gss_sec, gs_base);
- gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
+ gsec = container_of(sec, struct gss_sec, gs_base);
+ gctx = container_of(ctx, struct gss_cli_ctx, gc_base);
- rc = gss_install_rvs_svc_ctx(imp, gsec, gctx);
- return rc;
+ rc = gss_install_rvs_svc_ctx(imp, gsec, gctx);
+ return rc;
}
-/********************************************
- * server side API *
- ********************************************/
-
+/* server side API */
static inline
int gss_svc_reqctx_is_special(struct gss_svc_reqctx *grctx)
{
- LASSERT(grctx);
- return (grctx->src_init || grctx->src_init_continue ||
- grctx->src_err_notify);
+ LASSERT(grctx);
+ return (grctx->src_init || grctx->src_init_continue ||
+ grctx->src_err_notify);
}
static
void gss_svc_reqctx_free(struct gss_svc_reqctx *grctx)
{
- if (grctx->src_ctx)
- gss_svc_upcall_put_ctx(grctx->src_ctx);
+ if (grctx->src_ctx)
+ gss_svc_upcall_put_ctx(grctx->src_ctx);
- sptlrpc_policy_put(grctx->src_base.sc_policy);
- OBD_FREE_PTR(grctx);
+ sptlrpc_policy_put(grctx->src_base.sc_policy);
+ OBD_FREE_PTR(grctx);
}
static inline
}
static
-int gss_svc_sign(struct ptlrpc_request *req,
- struct ptlrpc_reply_state *rs,
- struct gss_svc_reqctx *grctx,
- __u32 svc)
+int gss_svc_sign(struct ptlrpc_request *req, struct ptlrpc_reply_state *rs,
+ struct gss_svc_reqctx *grctx, __u32 svc)
{
- __u32 flags = 0;
- int rc;
- ENTRY;
-
- LASSERT(rs->rs_msg == lustre_msg_buf(rs->rs_repbuf, 1, 0));
+ __u32 flags = 0;
+ int rc;
+ ENTRY;
- /* embedded lustre_msg might have been shrunk */
- if (req->rq_replen != rs->rs_repbuf->lm_buflens[1])
- lustre_shrink_msg(rs->rs_repbuf, 1, req->rq_replen, 1);
+ LASSERT(rs->rs_msg == lustre_msg_buf(rs->rs_repbuf, 1, 0));
- if (req->rq_pack_bulk)
- flags |= LUSTRE_GSS_PACK_BULK;
+ /* embedded lustre_msg might have been shrunk */
+ if (req->rq_replen != rs->rs_repbuf->lm_buflens[1])
+ lustre_shrink_msg(rs->rs_repbuf, 1, req->rq_replen, 1);
- rc = gss_sign_msg(rs->rs_repbuf, grctx->src_ctx->gsc_mechctx,
- LUSTRE_SP_ANY, flags, PTLRPC_GSS_PROC_DATA,
- grctx->src_wirectx.gw_seq, svc, NULL);
- if (rc < 0)
- RETURN(rc);
+ if (req->rq_pack_bulk)
+ flags |= LUSTRE_GSS_PACK_BULK;
- rs->rs_repdata_len = rc;
+ rc = gss_sign_msg(rs->rs_repbuf, grctx->src_ctx->gsc_mechctx,
+ LUSTRE_SP_ANY, flags, PTLRPC_GSS_PROC_DATA,
+ grctx->src_wirectx.gw_seq, svc, NULL);
+ if (rc < 0)
+ RETURN(rc);
- if (likely(req->rq_packed_final)) {
- if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
- req->rq_reply_off = gss_at_reply_off_integ;
- else
- req->rq_reply_off = 0;
- } else {
- if (svc == SPTLRPC_SVC_NULL)
- rs->rs_repbuf->lm_cksum = crc32_le(!(__u32) 0,
- lustre_msg_buf(rs->rs_repbuf, 1, 0),
- lustre_msg_buflen(rs->rs_repbuf, 1));
- req->rq_reply_off = 0;
- }
+ rs->rs_repdata_len = rc;
+
+ if (likely(req->rq_packed_final)) {
+ if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
+ req->rq_reply_off = gss_at_reply_off_integ;
+ else
+ req->rq_reply_off = 0;
+ } else {
+ if (svc == SPTLRPC_SVC_NULL)
+ rs->rs_repbuf->lm_cksum = crc32_le(!(__u32) 0,
+ lustre_msg_buf(rs->rs_repbuf, 1, 0),
+ lustre_msg_buflen(rs->rs_repbuf, 1));
+ req->rq_reply_off = 0;
+ }
- RETURN(0);
+ RETURN(0);
}
int gss_pack_err_notify(struct ptlrpc_request *req, __u32 major, __u32 minor)
{
- struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- struct ptlrpc_reply_state *rs;
- struct gss_err_header *ghdr;
- int replen = sizeof(struct ptlrpc_body);
- int rc;
- ENTRY;
-
- grctx->src_err_notify = 1;
- grctx->src_reserve_len = 0;
-
- rc = lustre_pack_reply_v2(req, 1, &replen, NULL, 0);
- if (rc) {
- CERROR("could not pack reply, err %d\n", rc);
- RETURN(rc);
- }
-
- /* gss hdr */
- rs = req->rq_reply_state;
- LASSERT(rs->rs_repbuf->lm_buflens[1] >= sizeof(*ghdr));
- ghdr = lustre_msg_buf(rs->rs_repbuf, 0, 0);
- ghdr->gh_version = PTLRPC_GSS_VERSION;
- ghdr->gh_flags = 0;
- ghdr->gh_proc = PTLRPC_GSS_PROC_ERR;
- ghdr->gh_major = major;
- ghdr->gh_minor = minor;
- ghdr->gh_handle.len = 0; /* fake context handle */
-
- rs->rs_repdata_len = lustre_msg_size_v2(rs->rs_repbuf->lm_bufcount,
- rs->rs_repbuf->lm_buflens);
-
- CDEBUG(D_SEC, "prepare gss error notify(0x%x/0x%x) to %s\n",
- major, minor, libcfs_nidstr(&req->rq_peer.nid));
+ struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ struct ptlrpc_reply_state *rs;
+ struct gss_err_header *ghdr;
+ int replen = sizeof(struct ptlrpc_body);
+ int rc;
+ ENTRY;
+
+ grctx->src_err_notify = 1;
+ grctx->src_reserve_len = 0;
+
+ rc = lustre_pack_reply_v2(req, 1, &replen, NULL, 0);
+ if (rc) {
+ CERROR("could not pack reply, err %d\n", rc);
+ RETURN(rc);
+ }
+
+ /* gss hdr */
+ rs = req->rq_reply_state;
+ LASSERT(rs->rs_repbuf->lm_buflens[1] >= sizeof(*ghdr));
+ ghdr = lustre_msg_buf(rs->rs_repbuf, 0, 0);
+ ghdr->gh_version = PTLRPC_GSS_VERSION;
+ ghdr->gh_flags = 0;
+ ghdr->gh_proc = PTLRPC_GSS_PROC_ERR;
+ ghdr->gh_major = major;
+ ghdr->gh_minor = minor;
+ ghdr->gh_handle.len = 0; /* fake context handle */
+
+ rs->rs_repdata_len = lustre_msg_size_v2(rs->rs_repbuf->lm_bufcount,
+ rs->rs_repbuf->lm_buflens);
+
+ CDEBUG(D_SEC, "prepare gss error notify(0x%x/0x%x) to %s\n", major,
+ minor, libcfs_nidstr(&req->rq_peer.nid));
RETURN(0);
}
static
-int gss_svc_handle_init(struct ptlrpc_request *req,
- struct gss_wire_ctx *gw)
-{
- struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- struct lustre_msg *reqbuf = req->rq_reqbuf;
- struct obd_uuid *uuid;
- struct obd_device *target;
- rawobj_t uuid_obj, rvs_hdl, in_token;
- __u32 lustre_svc;
- __u32 *secdata, seclen;
- int swabbed, rc;
- ENTRY;
+int gss_svc_handle_init(struct ptlrpc_request *req, struct gss_wire_ctx *gw)
+{
+ struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ struct lustre_msg *reqbuf = req->rq_reqbuf;
+ struct obd_uuid *uuid;
+ struct obd_device *target;
+ rawobj_t uuid_obj, rvs_hdl, in_token;
+ __u32 lustre_svc;
+ __u32 *secdata, seclen;
+ int swabbed, rc;
+ ENTRY;
CDEBUG(D_SEC, "processing gss init(%d) request from %s\n", gw->gw_proc,
libcfs_nidstr(&req->rq_peer.nid));
- req->rq_ctx_init = 1;
+ req->rq_ctx_init = 1;
- if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
- CERROR("unexpected bulk flag\n");
- RETURN(SECSVC_DROP);
- }
+ if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
+ CERROR("unexpected bulk flag\n");
+ RETURN(SECSVC_DROP);
+ }
- if (gw->gw_proc == PTLRPC_GSS_PROC_INIT && gw->gw_handle.len != 0) {
- CERROR("proc %u: invalid handle length %u\n",
- gw->gw_proc, gw->gw_handle.len);
- RETURN(SECSVC_DROP);
- }
+ if (gw->gw_proc == PTLRPC_GSS_PROC_INIT && gw->gw_handle.len != 0) {
+ CERROR("proc %u: invalid handle length %u\n",
+ gw->gw_proc, gw->gw_handle.len);
+ RETURN(SECSVC_DROP);
+ }
- if (reqbuf->lm_bufcount < 3 || reqbuf->lm_bufcount > 4){
- CERROR("Invalid bufcount %d\n", reqbuf->lm_bufcount);
- RETURN(SECSVC_DROP);
- }
+ if (reqbuf->lm_bufcount < 3 || reqbuf->lm_bufcount > 4) {
+ CERROR("Invalid bufcount %d\n", reqbuf->lm_bufcount);
+ RETURN(SECSVC_DROP);
+ }
swabbed = req_capsule_req_need_swab(&req->rq_pill);
- /* ctx initiate payload is in last segment */
- secdata = lustre_msg_buf(reqbuf, reqbuf->lm_bufcount - 1, 0);
- seclen = reqbuf->lm_buflens[reqbuf->lm_bufcount - 1];
-
- if (seclen < 4 + 4) {
- CERROR("sec size %d too small\n", seclen);
- RETURN(SECSVC_DROP);
- }
-
- /* lustre svc type */
- lustre_svc = le32_to_cpu(*secdata++);
- seclen -= 4;
-
- /* extract target uuid, note this code is somewhat fragile
- * because touched internal structure of obd_uuid */
- if (rawobj_extract(&uuid_obj, &secdata, &seclen)) {
- CERROR("failed to extract target uuid\n");
- RETURN(SECSVC_DROP);
- }
- uuid_obj.data[uuid_obj.len - 1] = '\0';
-
- uuid = (struct obd_uuid *) uuid_obj.data;
- target = class_uuid2obd(uuid);
- if (!target || target->obd_stopping || !target->obd_set_up) {
- CERROR("target '%s' is not available for context init (%s)\n",
- uuid->uuid, target == NULL ? "no target" :
- (target->obd_stopping ? "stopping" : "not set up"));
- RETURN(SECSVC_DROP);
- }
-
- /* extract reverse handle */
- if (rawobj_extract(&rvs_hdl, &secdata, &seclen)) {
- CERROR("failed extract reverse handle\n");
- RETURN(SECSVC_DROP);
- }
-
- /* extract token */
- if (rawobj_extract(&in_token, &secdata, &seclen)) {
- CERROR("can't extract token\n");
- RETURN(SECSVC_DROP);
- }
-
- rc = gss_svc_upcall_handle_init(req, grctx, gw, target, lustre_svc,
- &rvs_hdl, &in_token);
- if (rc != SECSVC_OK)
- RETURN(rc);
+ /* ctx initiate payload is in last segment */
+ secdata = lustre_msg_buf(reqbuf, reqbuf->lm_bufcount - 1, 0);
+ seclen = reqbuf->lm_buflens[reqbuf->lm_bufcount - 1];
+
+ if (seclen < 4 + 4) {
+ CERROR("sec size %d too small\n", seclen);
+ RETURN(SECSVC_DROP);
+ }
+
+ /* lustre svc type */
+ lustre_svc = le32_to_cpu(*secdata++);
+ seclen -= 4;
+
+ /* extract target uuid, note this code is somewhat fragile
+ * because touched internal structure of obd_uuid
+ */
+ if (rawobj_extract(&uuid_obj, &secdata, &seclen)) {
+ CERROR("failed to extract target uuid\n");
+ RETURN(SECSVC_DROP);
+ }
+ uuid_obj.data[uuid_obj.len - 1] = '\0';
+
+ uuid = (struct obd_uuid *) uuid_obj.data;
+ target = class_uuid2obd(uuid);
+ if (!target || target->obd_stopping || !target->obd_set_up) {
+ CERROR("target '%s' is not available for context init (%s)\n",
+ uuid->uuid, target == NULL ? "no target" :
+ (target->obd_stopping ? "stopping" : "not set up"));
+ RETURN(SECSVC_DROP);
+ }
+
+ /* extract reverse handle */
+ if (rawobj_extract(&rvs_hdl, &secdata, &seclen)) {
+ CERROR("failed extract reverse handle\n");
+ RETURN(SECSVC_DROP);
+ }
+
+ /* extract token */
+ if (rawobj_extract(&in_token, &secdata, &seclen)) {
+ CERROR("can't extract token\n");
+ RETURN(SECSVC_DROP);
+ }
+
+ rc = gss_svc_upcall_handle_init(req, grctx, gw, target, lustre_svc,
+ &rvs_hdl, &in_token);
+ if (rc != SECSVC_OK)
+ RETURN(rc);
if (grctx->src_ctx->gsc_usr_mds || grctx->src_ctx->gsc_usr_oss ||
grctx->src_ctx->gsc_usr_root)
grctx->src_ctx, libcfs_nidstr(&req->rq_peer.nid),
grctx->src_ctx->gsc_usr_root ? "root" :
(grctx->src_ctx->gsc_usr_mds ? "mds" :
- (grctx->src_ctx->gsc_usr_oss ? "oss" : "null")));
+ (grctx->src_ctx->gsc_usr_oss ? "oss" : "null")));
else
CDEBUG(D_SEC, "create svc ctx %p: accept user %u from %s\n",
grctx->src_ctx, grctx->src_ctx->gsc_uid,
libcfs_nidstr(&req->rq_peer.nid));
- if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
- if (reqbuf->lm_bufcount < 4) {
- CERROR("missing user descriptor\n");
- RETURN(SECSVC_DROP);
- }
- if (sptlrpc_unpack_user_desc(reqbuf, 2, swabbed)) {
- CERROR("Mal-formed user descriptor\n");
- RETURN(SECSVC_DROP);
- }
-
- req->rq_pack_udesc = 1;
- req->rq_user_desc = lustre_msg_buf(reqbuf, 2, 0);
- }
+ if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
+ if (reqbuf->lm_bufcount < 4) {
+ CERROR("missing user descriptor\n");
+ RETURN(SECSVC_DROP);
+ }
+ if (sptlrpc_unpack_user_desc(reqbuf, 2, swabbed)) {
+ CERROR("Mal-formed user descriptor\n");
+ RETURN(SECSVC_DROP);
+ }
+
+ req->rq_pack_udesc = 1;
+ req->rq_user_desc = lustre_msg_buf(reqbuf, 2, 0);
+ }
- req->rq_reqmsg = lustre_msg_buf(reqbuf, 1, 0);
- req->rq_reqlen = lustre_msg_buflen(reqbuf, 1);
+ req->rq_reqmsg = lustre_msg_buf(reqbuf, 1, 0);
+ req->rq_reqlen = lustre_msg_buflen(reqbuf, 1);
- RETURN(rc);
+ RETURN(rc);
}
/*
*/
static
int gss_svc_verify_request(struct ptlrpc_request *req,
- struct gss_svc_reqctx *grctx,
- struct gss_wire_ctx *gw,
- __u32 *major)
-{
- struct gss_svc_ctx *gctx = grctx->src_ctx;
- struct lustre_msg *msg = req->rq_reqbuf;
- int offset = 2;
- int swabbed;
- ENTRY;
-
- *major = GSS_S_COMPLETE;
-
- if (msg->lm_bufcount < 2) {
- CERROR("Too few segments (%u) in request\n", msg->lm_bufcount);
- RETURN(-EINVAL);
- }
-
- if (gw->gw_svc == SPTLRPC_SVC_NULL)
- goto verified;
-
- if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 0)) {
- CERROR("phase 0: discard replayed req: seq %u\n", gw->gw_seq);
- *major = GSS_S_DUPLICATE_TOKEN;
- RETURN(-EACCES);
- }
-
- *major = gss_verify_msg(msg, gctx->gsc_mechctx, gw->gw_svc);
- if (*major != GSS_S_COMPLETE) {
- CERROR("failed to verify request: %x\n", *major);
- RETURN(-EACCES);
- }
-
- if (gctx->gsc_reverse == 0 &&
- gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 1)) {
- CERROR("phase 1+: discard replayed req: seq %u\n", gw->gw_seq);
- *major = GSS_S_DUPLICATE_TOKEN;
- RETURN(-EACCES);
- }
+ struct gss_svc_reqctx *grctx,
+ struct gss_wire_ctx *gw, __u32 *major)
+{
+ struct gss_svc_ctx *gctx = grctx->src_ctx;
+ struct lustre_msg *msg = req->rq_reqbuf;
+ int offset = 2;
+ int swabbed;
+ ENTRY;
-verified:
- swabbed = req_capsule_req_need_swab(&req->rq_pill);
+ *major = GSS_S_COMPLETE;
+
+ if (msg->lm_bufcount < 2) {
+ CERROR("Too few segments (%u) in request\n", msg->lm_bufcount);
+ RETURN(-EINVAL);
+ }
+
+ if (gw->gw_svc == SPTLRPC_SVC_NULL)
+ goto verified;
+
+ if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 0)) {
+ CERROR("phase 0: discard replayed req: seq %u\n", gw->gw_seq);
+ *major = GSS_S_DUPLICATE_TOKEN;
+ RETURN(-EACCES);
+ }
- /* user descriptor */
- if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
- if (msg->lm_bufcount < (offset + 1)) {
- CERROR("no user desc included\n");
- RETURN(-EINVAL);
- }
+ *major = gss_verify_msg(msg, gctx->gsc_mechctx, gw->gw_svc);
+ if (*major != GSS_S_COMPLETE) {
+ CERROR("failed to verify request: %x\n", *major);
+ RETURN(-EACCES);
+ }
- if (sptlrpc_unpack_user_desc(msg, offset, swabbed)) {
- CERROR("Mal-formed user descriptor\n");
- RETURN(-EINVAL);
- }
+ if (gctx->gsc_reverse == 0 &&
+ gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 1)) {
+ CERROR("phase 1+: discard replayed req: seq %u\n", gw->gw_seq);
+ *major = GSS_S_DUPLICATE_TOKEN;
+ RETURN(-EACCES);
+ }
- req->rq_pack_udesc = 1;
- req->rq_user_desc = lustre_msg_buf(msg, offset, 0);
- offset++;
- }
+verified:
+ swabbed = req_capsule_req_need_swab(&req->rq_pill);
- /* check bulk_sec_desc data */
- if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
- if (msg->lm_bufcount < (offset + 1)) {
- CERROR("missing bulk sec descriptor\n");
- RETURN(-EINVAL);
- }
+ /* user descriptor */
+ if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
+ if (msg->lm_bufcount < (offset + 1)) {
+ CERROR("no user desc included\n");
+ RETURN(-EINVAL);
+ }
+
+ if (sptlrpc_unpack_user_desc(msg, offset, swabbed)) {
+ CERROR("Mal-formed user descriptor\n");
+ RETURN(-EINVAL);
+ }
+
+ req->rq_pack_udesc = 1;
+ req->rq_user_desc = lustre_msg_buf(msg, offset, 0);
+ offset++;
+ }
- if (bulk_sec_desc_unpack(msg, offset, swabbed))
- RETURN(-EINVAL);
+ /* check bulk_sec_desc data */
+ if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
+ if (msg->lm_bufcount < (offset + 1)) {
+ CERROR("missing bulk sec descriptor\n");
+ RETURN(-EINVAL);
+ }
- req->rq_pack_bulk = 1;
- grctx->src_reqbsd = lustre_msg_buf(msg, offset, 0);
- grctx->src_reqbsd_size = lustre_msg_buflen(msg, offset);
- }
+ if (bulk_sec_desc_unpack(msg, offset, swabbed))
+ RETURN(-EINVAL);
- req->rq_reqmsg = lustre_msg_buf(msg, 1, 0);
- req->rq_reqlen = msg->lm_buflens[1];
- RETURN(0);
+ req->rq_pack_bulk = 1;
+ grctx->src_reqbsd = lustre_msg_buf(msg, offset, 0);
+ grctx->src_reqbsd_size = lustre_msg_buflen(msg, offset);
+ }
+
+ req->rq_reqmsg = lustre_msg_buf(msg, 1, 0);
+ req->rq_reqlen = msg->lm_buflens[1];
+ RETURN(0);
}
static
int gss_svc_unseal_request(struct ptlrpc_request *req,
- struct gss_svc_reqctx *grctx,
- struct gss_wire_ctx *gw,
- __u32 *major)
-{
- struct gss_svc_ctx *gctx = grctx->src_ctx;
- struct lustre_msg *msg = req->rq_reqbuf;
- int swabbed, msglen, offset = 1;
- ENTRY;
-
- if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 0)) {
- CERROR("phase 0: discard replayed req: seq %u\n", gw->gw_seq);
- *major = GSS_S_DUPLICATE_TOKEN;
- RETURN(-EACCES);
- }
-
- *major = gss_unseal_msg(gctx->gsc_mechctx, msg,
- &msglen, req->rq_reqdata_len);
- if (*major != GSS_S_COMPLETE) {
- CERROR("failed to unwrap request: %x\n", *major);
- RETURN(-EACCES);
- }
-
- if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 1)) {
- CERROR("phase 1+: discard replayed req: seq %u\n", gw->gw_seq);
- *major = GSS_S_DUPLICATE_TOKEN;
- RETURN(-EACCES);
- }
-
- swabbed = __lustre_unpack_msg(msg, msglen);
- if (swabbed < 0) {
- CERROR("Failed to unpack after decryption\n");
- RETURN(-EINVAL);
- }
- req->rq_reqdata_len = msglen;
-
- if (msg->lm_bufcount < 1) {
- CERROR("Invalid buffer: is empty\n");
- RETURN(-EINVAL);
- }
-
- if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
- if (msg->lm_bufcount < offset + 1) {
- CERROR("no user descriptor included\n");
- RETURN(-EINVAL);
- }
-
- if (sptlrpc_unpack_user_desc(msg, offset, swabbed)) {
- CERROR("Mal-formed user descriptor\n");
- RETURN(-EINVAL);
- }
-
- req->rq_pack_udesc = 1;
- req->rq_user_desc = lustre_msg_buf(msg, offset, 0);
- offset++;
- }
-
- if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
- if (msg->lm_bufcount < offset + 1) {
- CERROR("no bulk checksum included\n");
- RETURN(-EINVAL);
- }
-
- if (bulk_sec_desc_unpack(msg, offset, swabbed))
- RETURN(-EINVAL);
-
- req->rq_pack_bulk = 1;
- grctx->src_reqbsd = lustre_msg_buf(msg, offset, 0);
- grctx->src_reqbsd_size = lustre_msg_buflen(msg, offset);
- }
-
- req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 0, 0);
- req->rq_reqlen = req->rq_reqbuf->lm_buflens[0];
- RETURN(0);
+ struct gss_svc_reqctx *grctx,
+ struct gss_wire_ctx *gw, __u32 *major)
+{
+ struct gss_svc_ctx *gctx = grctx->src_ctx;
+ struct lustre_msg *msg = req->rq_reqbuf;
+ int swabbed, msglen, offset = 1;
+ ENTRY;
+
+ if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 0)) {
+ CERROR("phase 0: discard replayed req: seq %u\n", gw->gw_seq);
+ *major = GSS_S_DUPLICATE_TOKEN;
+ RETURN(-EACCES);
+ }
+
+ *major = gss_unseal_msg(gctx->gsc_mechctx, msg, &msglen,
+ req->rq_reqdata_len);
+ if (*major != GSS_S_COMPLETE) {
+ CERROR("failed to unwrap request: %x\n", *major);
+ RETURN(-EACCES);
+ }
+
+ if (gss_check_seq_num(&gctx->gsc_seqdata, gw->gw_seq, 1)) {
+ CERROR("phase 1+: discard replayed req: seq %u\n", gw->gw_seq);
+ *major = GSS_S_DUPLICATE_TOKEN;
+ RETURN(-EACCES);
+ }
+
+ swabbed = __lustre_unpack_msg(msg, msglen);
+ if (swabbed < 0) {
+ CERROR("Failed to unpack after decryption\n");
+ RETURN(-EINVAL);
+ }
+ req->rq_reqdata_len = msglen;
+
+ if (msg->lm_bufcount < 1) {
+ CERROR("Invalid buffer: is empty\n");
+ RETURN(-EINVAL);
+ }
+
+ if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
+ if (msg->lm_bufcount < offset + 1) {
+ CERROR("no user descriptor included\n");
+ RETURN(-EINVAL);
+ }
+
+ if (sptlrpc_unpack_user_desc(msg, offset, swabbed)) {
+ CERROR("Mal-formed user descriptor\n");
+ RETURN(-EINVAL);
+ }
+
+ req->rq_pack_udesc = 1;
+ req->rq_user_desc = lustre_msg_buf(msg, offset, 0);
+ offset++;
+ }
+
+ if (gw->gw_flags & LUSTRE_GSS_PACK_BULK) {
+ if (msg->lm_bufcount < offset + 1) {
+ CERROR("no bulk checksum included\n");
+ RETURN(-EINVAL);
+ }
+
+ if (bulk_sec_desc_unpack(msg, offset, swabbed))
+ RETURN(-EINVAL);
+
+ req->rq_pack_bulk = 1;
+ grctx->src_reqbsd = lustre_msg_buf(msg, offset, 0);
+ grctx->src_reqbsd_size = lustre_msg_buflen(msg, offset);
+ }
+
+ req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, 0, 0);
+ req->rq_reqlen = req->rq_reqbuf->lm_buflens[0];
+ RETURN(0);
}
static
-int gss_svc_handle_data(struct ptlrpc_request *req,
- struct gss_wire_ctx *gw)
-{
- struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- __u32 major = 0;
- int rc = 0;
- ENTRY;
-
- grctx->src_ctx = gss_svc_upcall_get_ctx(req, gw);
- if (!grctx->src_ctx) {
- major = GSS_S_NO_CONTEXT;
- goto error;
- }
-
- switch (gw->gw_svc) {
- case SPTLRPC_SVC_NULL:
- case SPTLRPC_SVC_AUTH:
- case SPTLRPC_SVC_INTG:
- rc = gss_svc_verify_request(req, grctx, gw, &major);
- break;
- case SPTLRPC_SVC_PRIV:
- rc = gss_svc_unseal_request(req, grctx, gw, &major);
- break;
- default:
- CERROR("unsupported gss service %d\n", gw->gw_svc);
- rc = -EINVAL;
- }
-
- if (rc == 0)
- RETURN(SECSVC_OK);
+int gss_svc_handle_data(struct ptlrpc_request *req, struct gss_wire_ctx *gw)
+{
+ struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ __u32 major = 0;
+ int rc = 0;
+ ENTRY;
+
+ grctx->src_ctx = gss_svc_upcall_get_ctx(req, gw);
+ if (!grctx->src_ctx) {
+ major = GSS_S_NO_CONTEXT;
+ goto error;
+ }
+
+ switch (gw->gw_svc) {
+ case SPTLRPC_SVC_NULL:
+ case SPTLRPC_SVC_AUTH:
+ case SPTLRPC_SVC_INTG:
+ rc = gss_svc_verify_request(req, grctx, gw, &major);
+ break;
+ case SPTLRPC_SVC_PRIV:
+ rc = gss_svc_unseal_request(req, grctx, gw, &major);
+ break;
+ default:
+ CERROR("unsupported gss service %d\n", gw->gw_svc);
+ rc = -EINVAL;
+ }
+
+ if (rc == 0)
+ RETURN(SECSVC_OK);
CERROR("svc %u failed: major 0x%08x: req xid %llu ctx %p idx %#llx(%u->%s)\n",
- gw->gw_svc, major, req->rq_xid,
- grctx->src_ctx, gss_handle_to_u64(&gw->gw_handle),
- grctx->src_ctx->gsc_uid, libcfs_nidstr(&req->rq_peer.nid));
+ gw->gw_svc, major, req->rq_xid, grctx->src_ctx,
+ gss_handle_to_u64(&gw->gw_handle), grctx->src_ctx->gsc_uid,
+ libcfs_nidstr(&req->rq_peer.nid));
error:
- /* we only notify client in case of NO_CONTEXT/BAD_SIG, which
- * might happen after server reboot, to allow recovery. */
- if ((major == GSS_S_NO_CONTEXT || major == GSS_S_BAD_SIG) &&
- gss_pack_err_notify(req, major, 0) == 0)
- RETURN(SECSVC_COMPLETE);
+ /* we only notify client in case of NO_CONTEXT/BAD_SIG, which
+ * might happen after server reboot, to allow recovery.
+ */
+ if ((major == GSS_S_NO_CONTEXT || major == GSS_S_BAD_SIG) &&
+ gss_pack_err_notify(req, major, 0) == 0)
+ RETURN(SECSVC_COMPLETE);
- RETURN(SECSVC_DROP);
+ RETURN(SECSVC_DROP);
}
static
-int gss_svc_handle_destroy(struct ptlrpc_request *req,
- struct gss_wire_ctx *gw)
+int gss_svc_handle_destroy(struct ptlrpc_request *req, struct gss_wire_ctx *gw)
{
- struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- __u32 major;
- ENTRY;
+ struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ __u32 major;
+ ENTRY;
- req->rq_ctx_fini = 1;
- req->rq_no_reply = 1;
+ req->rq_ctx_fini = 1;
+ req->rq_no_reply = 1;
- grctx->src_ctx = gss_svc_upcall_get_ctx(req, gw);
- if (!grctx->src_ctx) {
- CDEBUG(D_SEC, "invalid gss context handle for destroy.\n");
- RETURN(SECSVC_DROP);
- }
+ grctx->src_ctx = gss_svc_upcall_get_ctx(req, gw);
+ if (!grctx->src_ctx) {
+ CDEBUG(D_SEC, "invalid gss context handle for destroy.\n");
+ RETURN(SECSVC_DROP);
+ }
- if (gw->gw_svc != SPTLRPC_SVC_INTG) {
- CERROR("svc %u is not supported in destroy.\n", gw->gw_svc);
- RETURN(SECSVC_DROP);
- }
+ if (gw->gw_svc != SPTLRPC_SVC_INTG) {
+ CERROR("svc %u is not supported in destroy.\n", gw->gw_svc);
+ RETURN(SECSVC_DROP);
+ }
- if (gss_svc_verify_request(req, grctx, gw, &major))
- RETURN(SECSVC_DROP);
+ if (gss_svc_verify_request(req, grctx, gw, &major))
+ RETURN(SECSVC_DROP);
CDEBUG(D_SEC, "destroy svc ctx %p idx %#llx (%u->%s)\n",
grctx->src_ctx, gss_handle_to_u64(&gw->gw_handle),
grctx->src_ctx->gsc_uid, libcfs_nidstr(&req->rq_peer.nid));
- gss_svc_upcall_destroy_ctx(grctx->src_ctx);
+ gss_svc_upcall_destroy_ctx(grctx->src_ctx);
- if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
- if (req->rq_reqbuf->lm_bufcount < 4) {
- CERROR("missing user descriptor, ignore it\n");
- RETURN(SECSVC_OK);
- }
- if (sptlrpc_unpack_user_desc(req->rq_reqbuf, 2,
+ if (gw->gw_flags & LUSTRE_GSS_PACK_USER) {
+ if (req->rq_reqbuf->lm_bufcount < 4) {
+ CERROR("missing user descriptor, ignore it\n");
+ RETURN(SECSVC_OK);
+ }
+ if (sptlrpc_unpack_user_desc(req->rq_reqbuf, 2,
req_capsule_req_need_swab(&req->rq_pill))) {
- CERROR("Mal-formed user descriptor, ignore it\n");
- RETURN(SECSVC_OK);
- }
+ CERROR("Mal-formed user descriptor, ignore it\n");
+ RETURN(SECSVC_OK);
+ }
- req->rq_pack_udesc = 1;
- req->rq_user_desc = lustre_msg_buf(req->rq_reqbuf, 2, 0);
- }
+ req->rq_pack_udesc = 1;
+ req->rq_user_desc = lustre_msg_buf(req->rq_reqbuf, 2, 0);
+ }
- RETURN(SECSVC_OK);
+ RETURN(SECSVC_OK);
}
int gss_svc_accept(struct ptlrpc_sec_policy *policy, struct ptlrpc_request *req)
{
- struct gss_header *ghdr;
- struct gss_svc_reqctx *grctx;
- struct gss_wire_ctx *gw;
- int swabbed, rc;
- ENTRY;
+ struct gss_header *ghdr;
+ struct gss_svc_reqctx *grctx;
+ struct gss_wire_ctx *gw;
+ int swabbed, rc;
+ ENTRY;
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_svc_ctx == NULL);
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_svc_ctx == NULL);
- if (req->rq_reqbuf->lm_bufcount < 2) {
- CERROR("buf count only %d\n", req->rq_reqbuf->lm_bufcount);
- RETURN(SECSVC_DROP);
- }
+ if (req->rq_reqbuf->lm_bufcount < 2) {
+ CERROR("buf count only %d\n", req->rq_reqbuf->lm_bufcount);
+ RETURN(SECSVC_DROP);
+ }
swabbed = req_capsule_req_need_swab(&req->rq_pill);
- ghdr = gss_swab_header(req->rq_reqbuf, 0, swabbed);
- if (ghdr == NULL) {
- CERROR("can't decode gss header\n");
- RETURN(SECSVC_DROP);
- }
+ ghdr = gss_swab_header(req->rq_reqbuf, 0, swabbed);
+ if (ghdr == NULL) {
+ CERROR("can't decode gss header\n");
+ RETURN(SECSVC_DROP);
+ }
- /* sanity checks */
- if (ghdr->gh_version != PTLRPC_GSS_VERSION) {
- CERROR("gss version %u, expect %u\n", ghdr->gh_version,
- PTLRPC_GSS_VERSION);
- RETURN(SECSVC_DROP);
- }
+ /* sanity checks */
+ if (ghdr->gh_version != PTLRPC_GSS_VERSION) {
+ CERROR("gss version %u, expect %u\n", ghdr->gh_version,
+ PTLRPC_GSS_VERSION);
+ RETURN(SECSVC_DROP);
+ }
- req->rq_sp_from = ghdr->gh_sp;
+ req->rq_sp_from = ghdr->gh_sp;
- /* alloc grctx data */
- OBD_ALLOC_PTR(grctx);
- if (!grctx)
- RETURN(SECSVC_DROP);
+ /* alloc grctx data */
+ OBD_ALLOC_PTR(grctx);
+ if (!grctx)
+ RETURN(SECSVC_DROP);
grctx->src_base.sc_policy = sptlrpc_policy_get(policy);
atomic_set(&grctx->src_base.sc_refcount, 1);
req->rq_svc_ctx = &grctx->src_base;
gw = &grctx->src_wirectx;
- /* save wire context */
- gw->gw_flags = ghdr->gh_flags;
- gw->gw_proc = ghdr->gh_proc;
- gw->gw_seq = ghdr->gh_seq;
- gw->gw_svc = ghdr->gh_svc;
- rawobj_from_netobj(&gw->gw_handle, &ghdr->gh_handle);
-
- /* keep original wire header which subject to checksum verification */
- if (swabbed)
- gss_header_swabber(ghdr);
-
- switch(ghdr->gh_proc) {
- case PTLRPC_GSS_PROC_INIT:
- case PTLRPC_GSS_PROC_CONTINUE_INIT:
- rc = gss_svc_handle_init(req, gw);
- break;
- case PTLRPC_GSS_PROC_DATA:
- rc = gss_svc_handle_data(req, gw);
- break;
- case PTLRPC_GSS_PROC_DESTROY:
- rc = gss_svc_handle_destroy(req, gw);
- break;
- default:
- CERROR("unknown proc %u\n", gw->gw_proc);
- rc = SECSVC_DROP;
- break;
- }
-
- switch (rc) {
- case SECSVC_OK:
- LASSERT (grctx->src_ctx);
-
- req->rq_auth_gss = 1;
- req->rq_auth_usr_mdt = grctx->src_ctx->gsc_usr_mds;
- req->rq_auth_usr_ost = grctx->src_ctx->gsc_usr_oss;
- req->rq_auth_usr_root = grctx->src_ctx->gsc_usr_root;
- req->rq_auth_uid = grctx->src_ctx->gsc_uid;
- req->rq_auth_mapped_uid = grctx->src_ctx->gsc_mapped_uid;
- break;
- case SECSVC_COMPLETE:
- break;
- case SECSVC_DROP:
- gss_svc_reqctx_free(grctx);
- req->rq_svc_ctx = NULL;
- break;
- }
-
- RETURN(rc);
+ /* save wire context */
+ gw->gw_flags = ghdr->gh_flags;
+ gw->gw_proc = ghdr->gh_proc;
+ gw->gw_seq = ghdr->gh_seq;
+ gw->gw_svc = ghdr->gh_svc;
+ rawobj_from_netobj(&gw->gw_handle, &ghdr->gh_handle);
+
+ /* keep original wire header which subject to checksum verification */
+ if (swabbed)
+ gss_header_swabber(ghdr);
+
+ switch (ghdr->gh_proc) {
+ case PTLRPC_GSS_PROC_INIT:
+ case PTLRPC_GSS_PROC_CONTINUE_INIT:
+ rc = gss_svc_handle_init(req, gw);
+ break;
+ case PTLRPC_GSS_PROC_DATA:
+ rc = gss_svc_handle_data(req, gw);
+ break;
+ case PTLRPC_GSS_PROC_DESTROY:
+ rc = gss_svc_handle_destroy(req, gw);
+ break;
+ default:
+ CERROR("unknown proc %u\n", gw->gw_proc);
+ rc = SECSVC_DROP;
+ break;
+ }
+
+ switch (rc) {
+ case SECSVC_OK:
+ LASSERT (grctx->src_ctx);
+
+ req->rq_auth_gss = 1;
+ req->rq_auth_usr_mdt = grctx->src_ctx->gsc_usr_mds;
+ req->rq_auth_usr_ost = grctx->src_ctx->gsc_usr_oss;
+ req->rq_auth_usr_root = grctx->src_ctx->gsc_usr_root;
+ req->rq_auth_uid = grctx->src_ctx->gsc_uid;
+ req->rq_auth_mapped_uid = grctx->src_ctx->gsc_mapped_uid;
+ break;
+ case SECSVC_COMPLETE:
+ break;
+ case SECSVC_DROP:
+ gss_svc_reqctx_free(grctx);
+ req->rq_svc_ctx = NULL;
+ break;
+ }
+
+ RETURN(rc);
}
void gss_svc_invalidate_ctx(struct ptlrpc_svc_ctx *svc_ctx)
{
- struct gss_svc_reqctx *grctx;
- ENTRY;
+ struct gss_svc_reqctx *grctx;
+ ENTRY;
- if (svc_ctx == NULL) {
- EXIT;
- return;
- }
+ if (svc_ctx == NULL) {
+ EXIT;
+ return;
+ }
- grctx = gss_svc_ctx2reqctx(svc_ctx);
+ grctx = gss_svc_ctx2reqctx(svc_ctx);
- CWARN("gss svc invalidate ctx %p(%u)\n",
- grctx->src_ctx, grctx->src_ctx->gsc_uid);
- gss_svc_upcall_destroy_ctx(grctx->src_ctx);
+ CWARN("gss svc invalidate ctx %p(%u)\n", grctx->src_ctx,
+ grctx->src_ctx->gsc_uid);
+ gss_svc_upcall_destroy_ctx(grctx->src_ctx);
- EXIT;
+ EXIT;
}
static inline
int gss_svc_payload(struct gss_svc_reqctx *grctx, int early,
- int msgsize, int privacy)
+ int msgsize, int privacy)
{
- /* we should treat early reply normally, but which is actually sharing
- * the same ctx with original request, so in this case we should
- * ignore the special ctx's special flags */
- if (early == 0 && gss_svc_reqctx_is_special(grctx))
- return grctx->src_reserve_len;
+ /* we should treat early reply normally, but which is actually sharing
+ * the same ctx with original request, so in this case we should
+ * ignore the special ctx's special flags
+ */
+ if (early == 0 && gss_svc_reqctx_is_special(grctx))
+ return grctx->src_reserve_len;
- return gss_mech_payload(NULL, msgsize, privacy);
+ return gss_mech_payload(NULL, msgsize, privacy);
}
static int gss_svc_bulk_payload(struct gss_svc_ctx *gctx,
- struct sptlrpc_flavor *flvr,
- int read)
-{
- int payload = sizeof(struct ptlrpc_bulk_sec_desc);
-
- if (read) {
- switch (SPTLRPC_FLVR_BULK_SVC(flvr->sf_rpc)) {
- case SPTLRPC_BULK_SVC_NULL:
- break;
- case SPTLRPC_BULK_SVC_INTG:
- payload += gss_mech_payload(NULL, 0, 0);
- break;
- case SPTLRPC_BULK_SVC_PRIV:
- payload += gss_mech_payload(NULL, 0, 1);
- break;
- case SPTLRPC_BULK_SVC_AUTH:
- default:
- LBUG();
- }
- }
-
- return payload;
+ struct sptlrpc_flavor *flvr, int read)
+{
+ int payload = sizeof(struct ptlrpc_bulk_sec_desc);
+
+ if (read) {
+ switch (SPTLRPC_FLVR_BULK_SVC(flvr->sf_rpc)) {
+ case SPTLRPC_BULK_SVC_NULL:
+ break;
+ case SPTLRPC_BULK_SVC_INTG:
+ payload += gss_mech_payload(NULL, 0, 0);
+ break;
+ case SPTLRPC_BULK_SVC_PRIV:
+ payload += gss_mech_payload(NULL, 0, 1);
+ break;
+ case SPTLRPC_BULK_SVC_AUTH:
+ default:
+ LBUG();
+ }
+ }
+
+ return payload;
}
int gss_svc_alloc_rs(struct ptlrpc_request *req, int msglen)
{
- struct gss_svc_reqctx *grctx;
- struct ptlrpc_reply_state *rs;
- int early, privacy, svc, bsd_off = 0;
- __u32 ibuflens[2], buflens[4];
- int ibufcnt = 0, bufcnt;
- int txtsize, wmsg_size, rs_size;
- ENTRY;
-
- LASSERT(msglen % 8 == 0);
-
- if (req->rq_pack_bulk && !req->rq_bulk_read && !req->rq_bulk_write) {
- CERROR("client request bulk sec on non-bulk rpc\n");
- RETURN(-EPROTO);
- }
-
- svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
- early = (req->rq_packed_final == 0);
-
- grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- if (!early && gss_svc_reqctx_is_special(grctx))
- privacy = 0;
- else
- privacy = (svc == SPTLRPC_SVC_PRIV);
-
- if (privacy) {
- /* inner clear buffers */
- ibufcnt = 1;
- ibuflens[0] = msglen;
-
- if (req->rq_pack_bulk) {
- LASSERT(grctx->src_reqbsd);
-
- bsd_off = ibufcnt;
- ibuflens[ibufcnt++] = gss_svc_bulk_payload(
- grctx->src_ctx,
- &req->rq_flvr,
- req->rq_bulk_read);
- }
-
- txtsize = lustre_msg_size_v2(ibufcnt, ibuflens);
- txtsize += GSS_MAX_CIPHER_BLOCK;
-
- /* wrapper buffer */
- bufcnt = 2;
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = gss_svc_payload(grctx, early, txtsize, 1);
- } else {
- bufcnt = 2;
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = msglen;
-
- txtsize = buflens[0];
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[1];
-
- if (req->rq_pack_bulk) {
- LASSERT(grctx->src_reqbsd);
-
- bsd_off = bufcnt;
- buflens[bufcnt] = gss_svc_bulk_payload(
- grctx->src_ctx,
- &req->rq_flvr,
- req->rq_bulk_read);
- if (svc == SPTLRPC_SVC_INTG)
- txtsize += buflens[bufcnt];
- bufcnt++;
- }
-
- if ((!early && gss_svc_reqctx_is_special(grctx)) ||
- svc != SPTLRPC_SVC_NULL)
- buflens[bufcnt++] = gss_svc_payload(grctx, early,
- txtsize, 0);
- }
-
- wmsg_size = lustre_msg_size_v2(bufcnt, buflens);
-
- rs_size = sizeof(*rs) + wmsg_size;
- rs = req->rq_reply_state;
-
- if (rs) {
- /* pre-allocated */
- LASSERT(rs->rs_size >= rs_size);
- } else {
- OBD_ALLOC_LARGE(rs, rs_size);
- if (rs == NULL)
- RETURN(-ENOMEM);
-
- rs->rs_size = rs_size;
- }
-
- rs->rs_repbuf = (struct lustre_msg *) (rs + 1);
- rs->rs_repbuf_len = wmsg_size;
-
- /* initialize the buffer */
- if (privacy) {
- lustre_init_msg_v2(rs->rs_repbuf, ibufcnt, ibuflens, NULL);
- rs->rs_msg = lustre_msg_buf(rs->rs_repbuf, 0, msglen);
- } else {
- lustre_init_msg_v2(rs->rs_repbuf, bufcnt, buflens, NULL);
- rs->rs_repbuf->lm_secflvr = req->rq_flvr.sf_rpc;
-
- rs->rs_msg = lustre_msg_buf(rs->rs_repbuf, 1, 0);
- }
-
- if (bsd_off) {
- grctx->src_repbsd = lustre_msg_buf(rs->rs_repbuf, bsd_off, 0);
- grctx->src_repbsd_size = lustre_msg_buflen(rs->rs_repbuf,
- bsd_off);
- }
-
- gss_svc_reqctx_addref(grctx);
- rs->rs_svc_ctx = req->rq_svc_ctx;
-
- LASSERT(rs->rs_msg);
- req->rq_reply_state = rs;
- RETURN(0);
+ struct gss_svc_reqctx *grctx;
+ struct ptlrpc_reply_state *rs;
+ int early, privacy, svc, bsd_off = 0;
+ __u32 ibuflens[2], buflens[4];
+ int ibufcnt = 0, bufcnt;
+ int txtsize, wmsg_size, rs_size;
+ ENTRY;
+
+ LASSERT(msglen % 8 == 0);
+
+ if (req->rq_pack_bulk && !req->rq_bulk_read && !req->rq_bulk_write) {
+ CERROR("client request bulk sec on non-bulk rpc\n");
+ RETURN(-EPROTO);
+ }
+
+ svc = SPTLRPC_FLVR_SVC(req->rq_flvr.sf_rpc);
+ early = (req->rq_packed_final == 0);
+
+ grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ if (!early && gss_svc_reqctx_is_special(grctx))
+ privacy = 0;
+ else
+ privacy = (svc == SPTLRPC_SVC_PRIV);
+
+ if (privacy) {
+ /* inner clear buffers */
+ ibufcnt = 1;
+ ibuflens[0] = msglen;
+
+ if (req->rq_pack_bulk) {
+ LASSERT(grctx->src_reqbsd);
+
+ bsd_off = ibufcnt;
+ ibuflens[ibufcnt++] = gss_svc_bulk_payload(
+ grctx->src_ctx,
+ &req->rq_flvr,
+ req->rq_bulk_read);
+ }
+
+ txtsize = lustre_msg_size_v2(ibufcnt, ibuflens);
+ txtsize += GSS_MAX_CIPHER_BLOCK;
+
+ /* wrapper buffer */
+ bufcnt = 2;
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = gss_svc_payload(grctx, early, txtsize, 1);
+ } else {
+ bufcnt = 2;
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = msglen;
+
+ txtsize = buflens[0];
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[1];
+
+ if (req->rq_pack_bulk) {
+ LASSERT(grctx->src_reqbsd);
+
+ bsd_off = bufcnt;
+ buflens[bufcnt] = gss_svc_bulk_payload(
+ grctx->src_ctx,
+ &req->rq_flvr,
+ req->rq_bulk_read);
+ if (svc == SPTLRPC_SVC_INTG)
+ txtsize += buflens[bufcnt];
+ bufcnt++;
+ }
+
+ if ((!early && gss_svc_reqctx_is_special(grctx)) ||
+ svc != SPTLRPC_SVC_NULL)
+ buflens[bufcnt++] = gss_svc_payload(grctx, early,
+ txtsize, 0);
+ }
+
+ wmsg_size = lustre_msg_size_v2(bufcnt, buflens);
+
+ rs_size = sizeof(*rs) + wmsg_size;
+ rs = req->rq_reply_state;
+
+ if (rs) {
+ /* pre-allocated */
+ LASSERT(rs->rs_size >= rs_size);
+ } else {
+ OBD_ALLOC_LARGE(rs, rs_size);
+ if (rs == NULL)
+ RETURN(-ENOMEM);
+
+ rs->rs_size = rs_size;
+ }
+
+ rs->rs_repbuf = (struct lustre_msg *) (rs + 1);
+ rs->rs_repbuf_len = wmsg_size;
+
+ /* initialize the buffer */
+ if (privacy) {
+ lustre_init_msg_v2(rs->rs_repbuf, ibufcnt, ibuflens, NULL);
+ rs->rs_msg = lustre_msg_buf(rs->rs_repbuf, 0, msglen);
+ } else {
+ lustre_init_msg_v2(rs->rs_repbuf, bufcnt, buflens, NULL);
+ rs->rs_repbuf->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ rs->rs_msg = lustre_msg_buf(rs->rs_repbuf, 1, 0);
+ }
+
+ if (bsd_off) {
+ grctx->src_repbsd = lustre_msg_buf(rs->rs_repbuf, bsd_off, 0);
+ grctx->src_repbsd_size = lustre_msg_buflen(rs->rs_repbuf,
+ bsd_off);
+ }
+
+ gss_svc_reqctx_addref(grctx);
+ rs->rs_svc_ctx = req->rq_svc_ctx;
+
+ LASSERT(rs->rs_msg);
+ req->rq_reply_state = rs;
+ RETURN(0);
}
static int gss_svc_seal(struct ptlrpc_request *req,
- struct ptlrpc_reply_state *rs,
- struct gss_svc_reqctx *grctx)
-{
- struct gss_svc_ctx *gctx = grctx->src_ctx;
- rawobj_t hdrobj, msgobj, token;
- struct gss_header *ghdr;
- __u8 *token_buf;
- int token_buflen;
- __u32 buflens[2], major;
- int msglen, rc;
- ENTRY;
-
- /* get clear data length. note embedded lustre_msg might
- * have been shrunk */
- if (req->rq_replen != lustre_msg_buflen(rs->rs_repbuf, 0))
- msglen = lustre_shrink_msg(rs->rs_repbuf, 0, req->rq_replen, 1);
- else
- msglen = lustre_msg_size_v2(rs->rs_repbuf->lm_bufcount,
- rs->rs_repbuf->lm_buflens);
-
- /* temporarily use tail of buffer to hold gss header data */
- LASSERT(msglen + PTLRPC_GSS_HEADER_SIZE <= rs->rs_repbuf_len);
- ghdr = (struct gss_header *) ((char *) rs->rs_repbuf +
- rs->rs_repbuf_len - PTLRPC_GSS_HEADER_SIZE);
- ghdr->gh_version = PTLRPC_GSS_VERSION;
- ghdr->gh_sp = LUSTRE_SP_ANY;
- ghdr->gh_flags = 0;
- ghdr->gh_proc = PTLRPC_GSS_PROC_DATA;
- ghdr->gh_seq = grctx->src_wirectx.gw_seq;
- ghdr->gh_svc = SPTLRPC_SVC_PRIV;
- ghdr->gh_handle.len = 0;
- if (req->rq_pack_bulk)
- ghdr->gh_flags |= LUSTRE_GSS_PACK_BULK;
-
- /* allocate temporary cipher buffer */
- token_buflen = gss_mech_payload(gctx->gsc_mechctx, msglen, 1);
- OBD_ALLOC_LARGE(token_buf, token_buflen);
- if (token_buf == NULL)
- RETURN(-ENOMEM);
-
- hdrobj.len = PTLRPC_GSS_HEADER_SIZE;
- hdrobj.data = (__u8 *) ghdr;
- msgobj.len = msglen;
- msgobj.data = (__u8 *) rs->rs_repbuf;
- token.len = token_buflen;
- token.data = token_buf;
-
- major = lgss_wrap(gctx->gsc_mechctx, &hdrobj, &msgobj,
- rs->rs_repbuf_len - PTLRPC_GSS_HEADER_SIZE, &token);
- if (major != GSS_S_COMPLETE) {
- CERROR("wrap message error: %08x\n", major);
- GOTO(out_free, rc = -EPERM);
- }
- LASSERT(token.len <= token_buflen);
-
- /* we are about to override data at rs->rs_repbuf, nullify pointers
- * to which to catch further illegal usage. */
- if (req->rq_pack_bulk) {
- grctx->src_repbsd = NULL;
- grctx->src_repbsd_size = 0;
- }
-
- /* now fill the actual wire data
- * - gss header
- * - gss token
- */
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = token.len;
-
- rs->rs_repdata_len = lustre_msg_size_v2(2, buflens);
- LASSERT(rs->rs_repdata_len <= rs->rs_repbuf_len);
-
- lustre_init_msg_v2(rs->rs_repbuf, 2, buflens, NULL);
- rs->rs_repbuf->lm_secflvr = req->rq_flvr.sf_rpc;
-
- memcpy(lustre_msg_buf(rs->rs_repbuf, 0, 0), ghdr,
- PTLRPC_GSS_HEADER_SIZE);
- memcpy(lustre_msg_buf(rs->rs_repbuf, 1, 0), token.data, token.len);
-
- /* reply offset */
- if (req->rq_packed_final &&
- (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT))
- req->rq_reply_off = gss_at_reply_off_priv;
- else
- req->rq_reply_off = 0;
-
- /* to catch upper layer's further access */
- rs->rs_msg = NULL;
- req->rq_repmsg = NULL;
- req->rq_replen = 0;
-
- rc = 0;
+ struct ptlrpc_reply_state *rs,
+ struct gss_svc_reqctx *grctx)
+{
+ struct gss_svc_ctx *gctx = grctx->src_ctx;
+ rawobj_t hdrobj, msgobj, token;
+ struct gss_header *ghdr;
+ __u8 *token_buf;
+ int token_buflen;
+ __u32 buflens[2], major;
+ int msglen, rc;
+ ENTRY;
+
+ /* get clear data length. note embedded lustre_msg might
+ * have been shrunk
+ */
+ if (req->rq_replen != lustre_msg_buflen(rs->rs_repbuf, 0))
+ msglen = lustre_shrink_msg(rs->rs_repbuf, 0, req->rq_replen, 1);
+ else
+ msglen = lustre_msg_size_v2(rs->rs_repbuf->lm_bufcount,
+ rs->rs_repbuf->lm_buflens);
+
+ /* temporarily use tail of buffer to hold gss header data */
+ LASSERT(msglen + PTLRPC_GSS_HEADER_SIZE <= rs->rs_repbuf_len);
+ ghdr = (struct gss_header *) ((char *) rs->rs_repbuf +
+ rs->rs_repbuf_len - PTLRPC_GSS_HEADER_SIZE);
+ ghdr->gh_version = PTLRPC_GSS_VERSION;
+ ghdr->gh_sp = LUSTRE_SP_ANY;
+ ghdr->gh_flags = 0;
+ ghdr->gh_proc = PTLRPC_GSS_PROC_DATA;
+ ghdr->gh_seq = grctx->src_wirectx.gw_seq;
+ ghdr->gh_svc = SPTLRPC_SVC_PRIV;
+ ghdr->gh_handle.len = 0;
+ if (req->rq_pack_bulk)
+ ghdr->gh_flags |= LUSTRE_GSS_PACK_BULK;
+
+ /* allocate temporary cipher buffer */
+ token_buflen = gss_mech_payload(gctx->gsc_mechctx, msglen, 1);
+ OBD_ALLOC_LARGE(token_buf, token_buflen);
+ if (token_buf == NULL)
+ RETURN(-ENOMEM);
+
+ hdrobj.len = PTLRPC_GSS_HEADER_SIZE;
+ hdrobj.data = (__u8 *) ghdr;
+ msgobj.len = msglen;
+ msgobj.data = (__u8 *) rs->rs_repbuf;
+ token.len = token_buflen;
+ token.data = token_buf;
+
+ major = lgss_wrap(gctx->gsc_mechctx, &hdrobj, &msgobj,
+ rs->rs_repbuf_len - PTLRPC_GSS_HEADER_SIZE, &token);
+ if (major != GSS_S_COMPLETE) {
+ CERROR("wrap message error: %08x\n", major);
+ GOTO(out_free, rc = -EPERM);
+ }
+ LASSERT(token.len <= token_buflen);
+
+ /* we are about to override data at rs->rs_repbuf, nullify pointers
+ * to which to catch further illegal usage.
+ */
+ if (req->rq_pack_bulk) {
+ grctx->src_repbsd = NULL;
+ grctx->src_repbsd_size = 0;
+ }
+
+ /* now fill the actual wire data
+ * - gss header
+ * - gss token
+ */
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = token.len;
+
+ rs->rs_repdata_len = lustre_msg_size_v2(2, buflens);
+ LASSERT(rs->rs_repdata_len <= rs->rs_repbuf_len);
+
+ lustre_init_msg_v2(rs->rs_repbuf, 2, buflens, NULL);
+ rs->rs_repbuf->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ memcpy(lustre_msg_buf(rs->rs_repbuf, 0, 0), ghdr,
+ PTLRPC_GSS_HEADER_SIZE);
+ memcpy(lustre_msg_buf(rs->rs_repbuf, 1, 0), token.data, token.len);
+
+ /* reply offset */
+ if (req->rq_packed_final &&
+ (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT))
+ req->rq_reply_off = gss_at_reply_off_priv;
+ else
+ req->rq_reply_off = 0;
+
+ /* to catch upper layer's further access */
+ rs->rs_msg = NULL;
+ req->rq_repmsg = NULL;
+ req->rq_replen = 0;
+
+ rc = 0;
out_free:
- OBD_FREE_LARGE(token_buf, token_buflen);
- RETURN(rc);
+ OBD_FREE_LARGE(token_buf, token_buflen);
+ RETURN(rc);
}
int gss_svc_authorize(struct ptlrpc_request *req)
{
- struct ptlrpc_reply_state *rs = req->rq_reply_state;
- struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
- struct gss_wire_ctx *gw = &grctx->src_wirectx;
- int early, rc;
- ENTRY;
-
- early = (req->rq_packed_final == 0);
-
- if (!early && gss_svc_reqctx_is_special(grctx)) {
- LASSERT(rs->rs_repdata_len != 0);
-
- req->rq_reply_off = gss_at_reply_off_integ;
- RETURN(0);
- }
-
- /* early reply could happen in many cases */
- if (!early &&
- gw->gw_proc != PTLRPC_GSS_PROC_DATA &&
- gw->gw_proc != PTLRPC_GSS_PROC_DESTROY) {
- CERROR("proc %d not support\n", gw->gw_proc);
- RETURN(-EINVAL);
- }
-
- LASSERT(grctx->src_ctx);
-
- switch (gw->gw_svc) {
- case SPTLRPC_SVC_NULL:
- case SPTLRPC_SVC_AUTH:
- case SPTLRPC_SVC_INTG:
- rc = gss_svc_sign(req, rs, grctx, gw->gw_svc);
- break;
- case SPTLRPC_SVC_PRIV:
- rc = gss_svc_seal(req, rs, grctx);
- break;
- default:
- CERROR("Unknown service %d\n", gw->gw_svc);
- GOTO(out, rc = -EINVAL);
- }
- rc = 0;
+ struct ptlrpc_reply_state *rs = req->rq_reply_state;
+ struct gss_svc_reqctx *grctx = gss_svc_ctx2reqctx(req->rq_svc_ctx);
+ struct gss_wire_ctx *gw = &grctx->src_wirectx;
+ int early, rc;
+ ENTRY;
+
+ early = (req->rq_packed_final == 0);
+
+ if (!early && gss_svc_reqctx_is_special(grctx)) {
+ LASSERT(rs->rs_repdata_len != 0);
+
+ req->rq_reply_off = gss_at_reply_off_integ;
+ RETURN(0);
+ }
+
+ /* early reply could happen in many cases */
+ if (!early && gw->gw_proc != PTLRPC_GSS_PROC_DATA &&
+ gw->gw_proc != PTLRPC_GSS_PROC_DESTROY) {
+ CERROR("proc %d not support\n", gw->gw_proc);
+ RETURN(-EINVAL);
+ }
+
+ LASSERT(grctx->src_ctx);
+
+ switch (gw->gw_svc) {
+ case SPTLRPC_SVC_NULL:
+ case SPTLRPC_SVC_AUTH:
+ case SPTLRPC_SVC_INTG:
+ rc = gss_svc_sign(req, rs, grctx, gw->gw_svc);
+ break;
+ case SPTLRPC_SVC_PRIV:
+ rc = gss_svc_seal(req, rs, grctx);
+ break;
+ default:
+ CERROR("Unknown service %d\n", gw->gw_svc);
+ GOTO(out, rc = -EINVAL);
+ }
+ rc = 0;
out:
- RETURN(rc);
+ RETURN(rc);
}
void gss_svc_free_rs(struct ptlrpc_reply_state *rs)
{
- struct gss_svc_reqctx *grctx;
+ struct gss_svc_reqctx *grctx;
- LASSERT(rs->rs_svc_ctx);
- grctx = container_of(rs->rs_svc_ctx, struct gss_svc_reqctx, src_base);
+ LASSERT(rs->rs_svc_ctx);
+ grctx = container_of(rs->rs_svc_ctx, struct gss_svc_reqctx, src_base);
- gss_svc_reqctx_decref(grctx);
- rs->rs_svc_ctx = NULL;
+ gss_svc_reqctx_decref(grctx);
+ rs->rs_svc_ctx = NULL;
- if (!rs->rs_prealloc)
- OBD_FREE_LARGE(rs, rs->rs_size);
+ if (!rs->rs_prealloc)
+ OBD_FREE_LARGE(rs, rs->rs_size);
}
void gss_svc_free_ctx(struct ptlrpc_svc_ctx *ctx)
}
int gss_copy_rvc_cli_ctx(struct ptlrpc_cli_ctx *cli_ctx,
- struct ptlrpc_svc_ctx *svc_ctx)
+ struct ptlrpc_svc_ctx *svc_ctx)
{
- struct gss_cli_ctx *cli_gctx = ctx2gctx(cli_ctx);
- struct gss_svc_ctx *svc_gctx = gss_svc_ctx2gssctx(svc_ctx);
- struct gss_ctx *mechctx = NULL;
+ struct gss_cli_ctx *cli_gctx = ctx2gctx(cli_ctx);
+ struct gss_svc_ctx *svc_gctx = gss_svc_ctx2gssctx(svc_ctx);
+ struct gss_ctx *mechctx = NULL;
- LASSERT(cli_gctx);
- LASSERT(svc_gctx && svc_gctx->gsc_mechctx);
+ LASSERT(cli_gctx);
+ LASSERT(svc_gctx && svc_gctx->gsc_mechctx);
- cli_gctx->gc_proc = PTLRPC_GSS_PROC_DATA;
- cli_gctx->gc_win = GSS_SEQ_WIN;
+ cli_gctx->gc_proc = PTLRPC_GSS_PROC_DATA;
+ cli_gctx->gc_win = GSS_SEQ_WIN;
/* The problem is the reverse ctx might get lost in some recovery
* situations, and the same svc_ctx will be used to re-create it.
goto err_out;
}
- if (lgss_copy_reverse_context(svc_gctx->gsc_mechctx, &mechctx) !=
- GSS_S_COMPLETE) {
- CERROR("failed to copy mech context\n");
- goto err_svc_handle;
- }
+ if (lgss_copy_reverse_context(svc_gctx->gsc_mechctx, &mechctx) !=
+ GSS_S_COMPLETE) {
+ CERROR("failed to copy mech context\n");
+ goto err_svc_handle;
+ }
- if (rawobj_dup(&cli_gctx->gc_handle, &svc_gctx->gsc_rvs_hdl)) {
- CERROR("failed to dup reverse handle\n");
- goto err_ctx;
- }
+ if (rawobj_dup(&cli_gctx->gc_handle, &svc_gctx->gsc_rvs_hdl)) {
+ CERROR("failed to dup reverse handle\n");
+ goto err_ctx;
+ }
- cli_gctx->gc_mechctx = mechctx;
- gss_cli_ctx_uptodate(cli_gctx);
+ cli_gctx->gc_mechctx = mechctx;
+ gss_cli_ctx_uptodate(cli_gctx);
- return 0;
+ return 0;
err_ctx:
- lgss_delete_sec_context(&mechctx);
+ lgss_delete_sec_context(&mechctx);
err_svc_handle:
- rawobj_free(&cli_gctx->gc_svc_handle);
+ rawobj_free(&cli_gctx->gc_svc_handle);
err_out:
- return -ENOMEM;
+ return -ENOMEM;
}
static void gss_init_at_reply_offset(void)
{
- __u32 buflens[3];
- int clearsize;
+ __u32 buflens[3];
+ int clearsize;
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = lustre_msg_early_size;
- buflens[2] = gss_cli_payload(NULL, buflens[1], 0);
- gss_at_reply_off_integ = lustre_msg_size_v2(3, buflens);
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = lustre_msg_early_size;
+ buflens[2] = gss_cli_payload(NULL, buflens[1], 0);
+ gss_at_reply_off_integ = lustre_msg_size_v2(3, buflens);
- buflens[0] = lustre_msg_early_size;
- clearsize = lustre_msg_size_v2(1, buflens);
- buflens[0] = PTLRPC_GSS_HEADER_SIZE;
- buflens[1] = gss_cli_payload(NULL, clearsize, 0);
- buflens[2] = gss_cli_payload(NULL, clearsize, 1);
- gss_at_reply_off_priv = lustre_msg_size_v2(3, buflens);
+ buflens[0] = lustre_msg_early_size;
+ clearsize = lustre_msg_size_v2(1, buflens);
+ buflens[0] = PTLRPC_GSS_HEADER_SIZE;
+ buflens[1] = gss_cli_payload(NULL, clearsize, 0);
+ buflens[2] = gss_cli_payload(NULL, clearsize, 1);
+ gss_at_reply_off_priv = lustre_msg_size_v2(3, buflens);
}
static int __init sptlrpc_gss_init(void)
{
- int rc;
+ int rc;
rc = gss_init_tunables();
- if (rc)
- return rc;
+ if (rc)
+ return rc;
- rc = gss_init_cli_upcall();
- if (rc)
+ rc = gss_init_cli_upcall();
+ if (rc)
goto out_tunables;
- rc = gss_init_svc_upcall();
- if (rc)
- goto out_cli_upcall;
+ rc = gss_init_svc_upcall();
+ if (rc)
+ goto out_cli_upcall;
rc = init_null_module();
if (rc)
goto out_kerberos;
/* register policy after all other stuff be initialized, because it
- * might be in used immediately after the registration. */
-
+ * might be in used immediately after the registration.
+ */
rc = gss_init_keyring();
if (rc)
goto out_sk;
static void __exit sptlrpc_gss_exit(void)
{
- gss_exit_keyring();
- cleanup_kerberos_module();
- gss_exit_svc_upcall();
- gss_exit_cli_upcall();
+ gss_exit_keyring();
+ cleanup_kerberos_module();
+ gss_exit_svc_upcall();
+ gss_exit_cli_upcall();
gss_exit_tunables();
}
git://git.whamcloud.com / fs / lustre-release.git / commitdiff