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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 21:21:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 21:21:46 -0700
commit14b395e35d1afdd8019d11b92e28041fad591b71 (patch)
treecff7ba9bed7a38300b19a5bacc632979d64fd9c8 /net/sunrpc/auth_gss/gss_krb5_seal.c
parent734b397cd14f3340394a8dd3266bec97d01f034b (diff)
parent5108b27651727b5aba0826e8fd7be71b42428701 (diff)
Merge branch 'for-2.6.27' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.27' of git://linux-nfs.org/~bfields/linux: (51 commits) nfsd: nfs4xdr.c do-while is not a compound statement nfsd: Use C99 initializers in fs/nfsd/nfs4xdr.c lockd: Pass "struct sockaddr *" to new failover-by-IP function lockd: get host reference in nlmsvc_create_block() instead of callers lockd: minor svclock.c style fixes lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_lock lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_testlock lockd: nlm_release_host() checks for NULL, caller needn't file lock: reorder struct file_lock to save space on 64 bit builds nfsd: take file and mnt write in nfs4_upgrade_open nfsd: document open share bit tracking nfsd: tabulate nfs4 xdr encoding functions nfsd: dprint operation names svcrdma: Change WR context get/put to use the kmem cache svcrdma: Create a kmem cache for the WR contexts svcrdma: Add flush_scheduled_work to module exit function svcrdma: Limit ORD based on client's advertised IRD svcrdma: Remove unused wait q from svcrdma_xprt structure svcrdma: Remove unneeded spin locks from __svc_rdma_free svcrdma: Add dma map count and WARN_ON ...
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_seal.c')
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_seal.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index 5f1d36dfbcf..b8f42ef7178 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -78,7 +78,7 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text,
struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
char cksumdata[16];
struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata};
- unsigned char *ptr, *krb5_hdr, *msg_start;
+ unsigned char *ptr, *msg_start;
s32 now;
u32 seq_send;
@@ -87,36 +87,36 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text,
now = get_seconds();
- token->len = g_token_size(&ctx->mech_used, 24);
+ token->len = g_token_size(&ctx->mech_used, GSS_KRB5_TOK_HDR_LEN + 8);
ptr = token->data;
- g_make_token_header(&ctx->mech_used, 24, &ptr);
+ g_make_token_header(&ctx->mech_used, GSS_KRB5_TOK_HDR_LEN + 8, &ptr);
- *ptr++ = (unsigned char) ((KG_TOK_MIC_MSG>>8)&0xff);
- *ptr++ = (unsigned char) (KG_TOK_MIC_MSG&0xff);
+ /* ptr now at header described in rfc 1964, section 1.2.1: */
+ ptr[0] = (unsigned char) ((KG_TOK_MIC_MSG >> 8) & 0xff);
+ ptr[1] = (unsigned char) (KG_TOK_MIC_MSG & 0xff);
- /* ptr now at byte 2 of header described in rfc 1964, section 1.2.1: */
- krb5_hdr = ptr - 2;
- msg_start = krb5_hdr + 24;
+ msg_start = ptr + GSS_KRB5_TOK_HDR_LEN + 8;
- *(__be16 *)(krb5_hdr + 2) = htons(SGN_ALG_DES_MAC_MD5);
- memset(krb5_hdr + 4, 0xff, 4);
+ *(__be16 *)(ptr + 2) = htons(SGN_ALG_DES_MAC_MD5);
+ memset(ptr + 4, 0xff, 4);
- if (make_checksum("md5", krb5_hdr, 8, text, 0, &md5cksum))
+ if (make_checksum("md5", ptr, 8, text, 0, &md5cksum))
return GSS_S_FAILURE;
if (krb5_encrypt(ctx->seq, NULL, md5cksum.data,
md5cksum.data, md5cksum.len))
return GSS_S_FAILURE;
- memcpy(krb5_hdr + 16, md5cksum.data + md5cksum.len - 8, 8);
+ memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data + md5cksum.len - 8, 8);
spin_lock(&krb5_seq_lock);
seq_send = ctx->seq_send++;
spin_unlock(&krb5_seq_lock);
if (krb5_make_seq_num(ctx->seq, ctx->initiate ? 0 : 0xff,
- seq_send, krb5_hdr + 16, krb5_hdr + 8))
+ seq_send, ptr + GSS_KRB5_TOK_HDR_LEN,
+ ptr + 8))
return GSS_S_FAILURE;
return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;