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sk-inet: handle the IP_FREEBIND option (v2)

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v2: set has_freebind
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrew Vagin 2015-11-19 17:48:21 +03:00 committed by Pavel Emelyanov
parent c2ad6f3a68
commit c9a61a205f
2 changed files with 31 additions and 0 deletions
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5
protobuf/sk-inet.proto
View File

@ -2,6 +2,10 @@ import "opts.proto";
import "fown.proto";
import "sk-opts.proto";
message ip_opts_entry {
optional bool freebind = 1;
}
message inet_sk_entry {
/*
* We have two IDs here -- id and ino. The first one
@ -28,4 +32,5 @@ message inet_sk_entry {
required fown_entry fown = 13;
required sk_opts_entry opts = 14;
optional bool v6only = 15;
optional ip_opts_entry ip_opts = 16;
}

26
sk-inet.c
View File

@ -230,10 +230,20 @@ err:
return NULL;
}
static int dump_ip_opts(int sk, IpOptsEntry *ioe)
{
int ret = 0;
ret |= dump_opt(sk, SOL_IP, IP_FREEBIND, &ioe->freebind);
ioe->has_freebind = ioe->freebind;
return ret;
}
static int do_dump_one_inet_fd(int lfd, u32 id, const struct fd_parms *p, int family)
{
struct inet_sk_desc *sk;
InetSkEntry ie = INET_SK_ENTRY__INIT;
IpOptsEntry ipopts = IP_OPTS_ENTRY__INIT;
SkOptsEntry skopts = SK_OPTS_ENTRY__INIT;
int ret = -1, err = -1, proto;
@ -272,6 +282,7 @@ static int do_dump_one_inet_fd(int lfd, u32 id, const struct fd_parms *p, int fa
ie.fown = (FownEntry *)&p->fown;
ie.opts = &skopts;
ie.ip_opts = &ipopts;
ie.n_src_addr = PB_ALEN_INET;
ie.n_dst_addr = PB_ALEN_INET;
@ -298,6 +309,9 @@ static int do_dump_one_inet_fd(int lfd, u32 id, const struct fd_parms *p, int fa
memcpy(ie.src_addr, sk->src_addr, pb_repeated_size(&ie, src_addr));
memcpy(ie.dst_addr, sk->dst_addr, pb_repeated_size(&ie, dst_addr));
if (dump_ip_opts(lfd, &ipopts))
goto err;
if (dump_socket_opts(lfd, &skopts))
goto err;
@ -477,6 +491,15 @@ static int post_open_inet_sk(struct file_desc *d, int sk)
return 0;
}
int restore_ip_opts(int sk, IpOptsEntry *ioe)
{
int ret = 0;
if (ioe->has_freebind)
ret |= restore_opt(sk, SOL_IP, IP_FREEBIND, &ioe->freebind);
return ret;
}
static int open_inet_sk(struct file_desc *d)
{
struct inet_sk_info *ii;
@ -565,6 +588,9 @@ done:
if (rst_file_params(sk, ie->fown, ie->flags))
goto err;
if (ie->ip_opts && restore_ip_opts(sk, ie->ip_opts))
goto err;
if (restore_socket_opts(sk, ie->opts))
goto err;