xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libceph: add nocephx_sign_messages option

Browse Source 
Support for message signing was merged into 3.19, along with
nocephx_require_signatures option.  But, all that option does is allow
the kernel client to talk to clusters that don't support MSG_AUTH
feature bit.  That's pretty useless, given that it's been supported
since bobtail.

Meanwhile, if one disables message signing on the server side with
"cephx sign messages = false", it becomes impossible to use the kernel
client since it expects messages to be signed if MSG_AUTH was
negotiated.  Add nocephx_sign_messages option to support this use case.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2015-10-28 23:52:06 +01:00
parent 859bff51dc
commit a51983e4dd
4 changed files with 22 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
net/ceph/ceph_common.c
View File

@@ -245,6 +245,8 @@ enum {
Opt_nocrc,
Opt_cephx_require_signatures,
Opt_nocephx_require_signatures,
Opt_cephx_sign_messages,
Opt_nocephx_sign_messages,
Opt_tcp_nodelay,
Opt_notcp_nodelay,
};
@@ -267,6 +269,8 @@ static match_table_t opt_tokens = {
{Opt_nocrc, "nocrc"},
{Opt_cephx_require_signatures, "cephx_require_signatures"},
{Opt_nocephx_require_signatures, "nocephx_require_signatures"},
{Opt_cephx_sign_messages, "cephx_sign_messages"},
{Opt_nocephx_sign_messages, "nocephx_sign_messages"},
{Opt_tcp_nodelay, "tcp_nodelay"},
{Opt_notcp_nodelay, "notcp_nodelay"},
{-1, NULL}
@@ -491,6 +495,12 @@ ceph_parse_options(char *options, const char *dev_name,
case Opt_nocephx_require_signatures:
opt->flags |= CEPH_OPT_NOMSGAUTH;
break;
case Opt_cephx_sign_messages:
opt->flags &= ~CEPH_OPT_NOMSGSIGN;
break;
case Opt_nocephx_sign_messages:
opt->flags |= CEPH_OPT_NOMSGSIGN;
break;
case Opt_tcp_nodelay:
opt->flags |= CEPH_OPT_TCP_NODELAY;
@@ -534,6 +544,8 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client)
seq_puts(m, "nocrc,");
if (opt->flags & CEPH_OPT_NOMSGAUTH)
seq_puts(m, "nocephx_require_signatures,");
if (opt->flags & CEPH_OPT_NOMSGSIGN)
seq_puts(m, "nocephx_sign_messages,");
if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0)
seq_puts(m, "notcp_nodelay,");