diff options
| author | Sabrina Dubroca <sd@queasysnail.net> | 2022-09-14 19:04:05 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2022-09-22 07:36:07 +0200 |
| commit | 741f9a1064985512567eca1552643738ecfb5cc5 (patch) | |
| tree | cfc6bd8c6ca624781d26f3da9f947d749ad27057 /net/xfrm | |
| parent | 2b9168266d15dbb4b083b52e775c0399db427d4c (diff) | |
| download | linux-741f9a1064985512567eca1552643738ecfb5cc5.tar.bz2 | |
xfrm: add extack to __xfrm_init_state
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 26 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 2 |
2 files changed, 20 insertions, 8 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 52e60e607f8a..7470d2474796 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -2610,7 +2610,8 @@ u32 xfrm_state_mtu(struct xfrm_state *x, int mtu) } EXPORT_SYMBOL_GPL(xfrm_state_mtu); -int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload) +int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload, + struct netlink_ext_ack *extack) { const struct xfrm_mode *inner_mode; const struct xfrm_mode *outer_mode; @@ -2625,12 +2626,16 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload) if (x->sel.family != AF_UNSPEC) { inner_mode = xfrm_get_mode(x->props.mode, x->sel.family); - if (inner_mode == NULL) + if (inner_mode == NULL) { + NL_SET_ERR_MSG(extack, "Requested mode not found"); goto error; + } if (!(inner_mode->flags & XFRM_MODE_FLAG_TUNNEL) && - family != x->sel.family) + family != x->sel.family) { + NL_SET_ERR_MSG(extack, "Only tunnel modes can accommodate a change of family"); goto error; + } x->inner_mode = *inner_mode; } else { @@ -2638,11 +2643,15 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload) int iafamily = AF_INET; inner_mode = xfrm_get_mode(x->props.mode, x->props.family); - if (inner_mode == NULL) + if (inner_mode == NULL) { + NL_SET_ERR_MSG(extack, "Requested mode not found"); goto error; + } - if (!(inner_mode->flags & XFRM_MODE_FLAG_TUNNEL)) + if (!(inner_mode->flags & XFRM_MODE_FLAG_TUNNEL)) { + NL_SET_ERR_MSG(extack, "Only tunnel modes can accommodate an AF_UNSPEC selector"); goto error; + } x->inner_mode = *inner_mode; @@ -2657,8 +2666,10 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload) } x->type = xfrm_get_type(x->id.proto, family); - if (x->type == NULL) + if (x->type == NULL) { + NL_SET_ERR_MSG(extack, "Requested type not found"); goto error; + } x->type_offload = xfrm_get_type_offload(x->id.proto, family, offload); @@ -2668,6 +2679,7 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload) outer_mode = xfrm_get_mode(x->props.mode, family); if (!outer_mode) { + NL_SET_ERR_MSG(extack, "Requested mode not found"); err = -EPROTONOSUPPORT; goto error; } @@ -2689,7 +2701,7 @@ int xfrm_init_state(struct xfrm_state *x) { int err; - err = __xfrm_init_state(x, true, false); + err = __xfrm_init_state(x, true, false, NULL); if (!err) x->km.state = XFRM_STATE_VALID; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 2cf5956b562e..14e9b84f9dad 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -721,7 +721,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net, if (attrs[XFRMA_IF_ID]) x->if_id = nla_get_u32(attrs[XFRMA_IF_ID]); - err = __xfrm_init_state(x, false, attrs[XFRMA_OFFLOAD_DEV]); + err = __xfrm_init_state(x, false, attrs[XFRMA_OFFLOAD_DEV], extack); if (err) goto error; |