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Subject[PATCH 5/7] dst/connector: Disallow unpliviged users to configure dst
Date
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
(cherry picked from commit dbbb3431228784612848a1ec6061c78b4b708b5c)
---
drivers/staging/dst/dcore.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/dst/dcore.c b/drivers/staging/dst/dcore.c
index 32f102d..5546898 100644
--- a/drivers/staging/dst/dcore.c
+++ b/drivers/staging/dst/dcore.c
@@ -854,6 +854,11 @@ static void cn_dst_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
struct dst_node *n = NULL, *tmp;
unsigned int hash;

+ if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) {
+ err = -EPERM;
+ goto out;
+ }
+
if (msg->len < sizeof(struct dst_ctl)) {
err = -EBADMSG;
goto out;
--
1.6.0.4


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