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-rw-r--r--net/sunrpc/auth_gss/gss_krb5_unseal.c8
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_wrap.c10
-rw-r--r--net/sunrpc/auth_gss/gss_rpc_upcall.c3
-rw-r--r--net/sunrpc/auth_gss/gss_rpc_xdr.c29
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c4
-rw-r--r--net/sunrpc/svc.c2
6 files changed, 28 insertions, 28 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index 6cd930f3678..6c981ddc19f 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -150,7 +150,6 @@ gss_verify_mic_v2(struct krb5_ctx *ctx,
struct xdr_netobj cksumobj = {.len = sizeof(cksumdata),
.data = cksumdata};
s32 now;
- u64 seqnum;
u8 *ptr = read_token->data;
u8 *cksumkey;
u8 flags;
@@ -197,9 +196,10 @@ gss_verify_mic_v2(struct krb5_ctx *ctx,
if (now > ctx->endtime)
return GSS_S_CONTEXT_EXPIRED;
- /* do sequencing checks */
-
- seqnum = be64_to_cpup((__be64 *)ptr + 8);
+ /*
+ * NOTE: the sequence number at ptr + 8 is skipped, rpcsec_gss
+ * doesn't want it checked; see page 6 of rfc 2203.
+ */
return GSS_S_COMPLETE;
}
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 1da52d1406f..42560e55d97 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -489,7 +489,6 @@ static u32
gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
{
s32 now;
- u64 seqnum;
u8 *ptr;
u8 flags = 0x00;
u16 ec, rrc;
@@ -525,7 +524,10 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
ec = be16_to_cpup((__be16 *)(ptr + 4));
rrc = be16_to_cpup((__be16 *)(ptr + 6));
- seqnum = be64_to_cpup((__be64 *)(ptr + 8));
+ /*
+ * NOTE: the sequence number at ptr + 8 is skipped, rpcsec_gss
+ * doesn't want it checked; see page 6 of rfc 2203.
+ */
if (rrc != 0)
rotate_left(offset + 16, buf, rrc);
@@ -574,8 +576,8 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
buf->head[0].iov_len -= GSS_KRB5_TOK_HDR_LEN + headskip;
buf->len -= GSS_KRB5_TOK_HDR_LEN + headskip;
- /* Trim off the checksum blob */
- xdr_buf_trim(buf, GSS_KRB5_TOK_HDR_LEN + tailskip);
+ /* Trim off the trailing "extra count" and checksum blob */
+ xdr_buf_trim(buf, ec + GSS_KRB5_TOK_HDR_LEN + tailskip);
return GSS_S_COMPLETE;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_upcall.c b/net/sunrpc/auth_gss/gss_rpc_upcall.c
index f1eb0d16666..458f85e9b0b 100644
--- a/net/sunrpc/auth_gss/gss_rpc_upcall.c
+++ b/net/sunrpc/auth_gss/gss_rpc_upcall.c
@@ -298,7 +298,8 @@ int gssp_accept_sec_context_upcall(struct net *net,
if (res.context_handle) {
data->out_handle = rctxh.exported_context_token;
data->mech_oid.len = rctxh.mech.len;
- memcpy(data->mech_oid.data, rctxh.mech.data,
+ if (rctxh.mech.data)
+ memcpy(data->mech_oid.data, rctxh.mech.data,
data->mech_oid.len);
client_name = rctxh.src_name.display_name;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index f0f78c5f1c7..1ec19f6f0c2 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -559,6 +559,8 @@ static int gssx_enc_cred(struct xdr_stream *xdr,
/* cred->elements */
err = dummy_enc_credel_array(xdr, &cred->elements);
+ if (err)
+ return err;
/* cred->cred_handle_reference */
err = gssx_enc_buffer(xdr, &cred->cred_handle_reference);
@@ -740,22 +742,20 @@ void gssx_enc_accept_sec_context(struct rpc_rqst *req,
goto done;
/* arg->context_handle */
- if (arg->context_handle) {
+ if (arg->context_handle)
err = gssx_enc_ctx(xdr, arg->context_handle);
- if (err)
- goto done;
- } else {
+ else
err = gssx_enc_bool(xdr, 0);
- }
+ if (err)
+ goto done;
/* arg->cred_handle */
- if (arg->cred_handle) {
+ if (arg->cred_handle)
err = gssx_enc_cred(xdr, arg->cred_handle);
- if (err)
- goto done;
- } else {
+ else
err = gssx_enc_bool(xdr, 0);
- }
+ if (err)
+ goto done;
/* arg->input_token */
err = gssx_enc_in_token(xdr, &arg->input_token);
@@ -763,13 +763,12 @@ void gssx_enc_accept_sec_context(struct rpc_rqst *req,
goto done;
/* arg->input_cb */
- if (arg->input_cb) {
+ if (arg->input_cb)
err = gssx_enc_cb(xdr, arg->input_cb);
- if (err)
- goto done;
- } else {
+ else
err = gssx_enc_bool(xdr, 0);
- }
+ if (err)
+ goto done;
err = gssx_enc_bool(xdr, arg->ret_deleg_cred);
if (err)
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 09fb638bcaa..008cdade5aa 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1167,8 +1167,8 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
if (!ud->found_creds) {
/* userspace seem buggy, we should always get at least a
* mapping to nobody */
- dprintk("RPC: No creds found, marking Negative!\n");
- set_bit(CACHE_NEGATIVE, &rsci.h.flags);
+ dprintk("RPC: No creds found!\n");
+ goto out;
} else {
/* steal creds */
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index b974571126f..e7fbe368b4a 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1104,8 +1104,6 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
rqstp->rq_vers = vers = svc_getnl(argv); /* version number */
rqstp->rq_proc = proc = svc_getnl(argv); /* procedure number */
- progp = serv->sv_program;
-
for (progp = serv->sv_program; progp; progp = progp->pg_next)
if (prog == progp->pg_prog)
break;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 03:57:25 +0000