diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-23 16:49:31 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-23 16:49:31 -0700 |
commit | a4c12d6c5dde48c69464baf7c703e425ee511433 (patch) | |
tree | 73c375e41a353e2da0461ff30d744bff73958b08 /net/netlink/genetlink.c | |
parent | 73af07de3e32b9ac328c3d1417258bb98a9b0a9b (diff) | |
parent | 3b9f9a1c3903b64c38505f9fed3bb11e48dbc931 (diff) | |
download | linux-a4c12d6c5dde48c69464baf7c703e425ee511433.tar.gz linux-a4c12d6c5dde48c69464baf7c703e425ee511433.tar.bz2 linux-a4c12d6c5dde48c69464baf7c703e425ee511433.zip |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (353 commits)
[IPV6] ADDRCONF: Mobile IPv6 Home Address support.
[IPV6] ADDRCONF: Allow non-DAD'able addresses.
[IPV6] NDISC: Fix is_router flag setting.
[IPV6] ADDRCONF: Convert addrconf_lock to RCU.
[IPV6] NDISC: Add proxy_ndp sysctl.
[IPV6] NDISC: Set per-entry is_router flag in Proxy NA.
[IPV6] NDISC: Avoid updating neighbor cache for proxied address in receiving NA.
[IPV6]: Don't forward packets to proxied link-local address.
[IPV6] NDISC: Handle NDP messages to proxied addresses.
[NETFILTER]: PPTP conntrack: fix another GRE keymap leak
[NETFILTER]: PPTP conntrack: fix GRE keymap leak
[NETFILTER]: PPTP conntrack: fix PPTP_IN_CALL message types
[NETFILTER]: PPTP conntrack: check call ID before changing state
[NETFILTER]: PPTP conntrack: clean up debugging cruft
[NETFILTER]: PPTP conntrack: consolidate header parsing
[NETFILTER]: PPTP conntrack: consolidate header size checks
[NETFILTER]: PPTP conntrack: simplify expectation handling
[NETFILTER]: PPTP conntrack: remove unnecessary cid/pcid header pointers
[NETFILTER]: PPTP conntrack: fix header definitions
[NETFILTER]: PPTP conntrack: remove more dead code
...
Diffstat (limited to 'net/netlink/genetlink.c')
-rw-r--r-- | net/netlink/genetlink.c | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index a298f77cc3e3..49bc2db7982b 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -387,7 +387,10 @@ static void genl_rcv(struct sock *sk, int len) static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, u32 flags, struct sk_buff *skb, u8 cmd) { + struct nlattr *nla_ops; + struct genl_ops *ops; void *hdr; + int idx = 1; hdr = genlmsg_put(skb, pid, seq, GENL_ID_CTRL, 0, flags, cmd, family->version); @@ -396,6 +399,37 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, NLA_PUT_STRING(skb, CTRL_ATTR_FAMILY_NAME, family->name); NLA_PUT_U16(skb, CTRL_ATTR_FAMILY_ID, family->id); + NLA_PUT_U32(skb, CTRL_ATTR_VERSION, family->version); + NLA_PUT_U32(skb, CTRL_ATTR_HDRSIZE, family->hdrsize); + NLA_PUT_U32(skb, CTRL_ATTR_MAXATTR, family->maxattr); + + nla_ops = nla_nest_start(skb, CTRL_ATTR_OPS); + if (nla_ops == NULL) + goto nla_put_failure; + + list_for_each_entry(ops, &family->ops_list, ops_list) { + struct nlattr *nest; + + nest = nla_nest_start(skb, idx++); + if (nest == NULL) + goto nla_put_failure; + + NLA_PUT_U32(skb, CTRL_ATTR_OP_ID, ops->cmd); + NLA_PUT_U32(skb, CTRL_ATTR_OP_FLAGS, ops->flags); + + if (ops->policy) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_POLICY); + + if (ops->doit) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DOIT); + + if (ops->dumpit) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DUMPIT); + + nla_nest_end(skb, nest); + } + + nla_nest_end(skb, nla_ops); return genlmsg_end(skb, hdr); @@ -411,6 +445,9 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; + if (chains_to_skip != 0) + genl_lock(); + for (i = 0; i < GENL_FAM_TAB_SIZE; i++) { if (i < chains_to_skip) continue; @@ -428,6 +465,9 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) } errout: + if (chains_to_skip != 0) + genl_unlock(); + cb->args[0] = i; cb->args[1] = n; @@ -440,7 +480,7 @@ static struct sk_buff *ctrl_build_msg(struct genl_family *family, u32 pid, struct sk_buff *skb; int err; - skb = nlmsg_new(NLMSG_GOODSIZE); + skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); if (skb == NULL) return ERR_PTR(-ENOBUFS); @@ -455,7 +495,8 @@ static struct sk_buff *ctrl_build_msg(struct genl_family *family, u32 pid, static struct nla_policy ctrl_policy[CTRL_ATTR_MAX+1] __read_mostly = { [CTRL_ATTR_FAMILY_ID] = { .type = NLA_U16 }, - [CTRL_ATTR_FAMILY_NAME] = { .type = NLA_STRING }, + [CTRL_ATTR_FAMILY_NAME] = { .type = NLA_NUL_STRING, + .len = GENL_NAMSIZ - 1 }, }; static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info) @@ -470,12 +511,9 @@ static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[CTRL_ATTR_FAMILY_NAME]) { - char name[GENL_NAMSIZ]; - - if (nla_strlcpy(name, info->attrs[CTRL_ATTR_FAMILY_NAME], - GENL_NAMSIZ) >= GENL_NAMSIZ) - goto errout; + char *name; + name = nla_data(info->attrs[CTRL_ATTR_FAMILY_NAME]); res = genl_family_find_byname(name); } @@ -510,7 +548,7 @@ static int genl_ctrl_event(int event, void *data) if (IS_ERR(msg)) return PTR_ERR(msg); - genlmsg_multicast(msg, 0, GENL_ID_CTRL); + genlmsg_multicast(msg, 0, GENL_ID_CTRL, GFP_KERNEL); break; } |