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linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP flags to setsockopt 

linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP flags to setsockopt

Signed-off-by: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
Lionel Landwerlin 2009-04-25 23:30:19 +02:00 committed by Riku Voipio
parent 6f932f9172
commit b975b83bec
2 changed files with 45 additions and 0 deletions
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30
linux-user/syscall.c
View File

@ -943,6 +943,24 @@ static abi_long do_select(int n,
return ret;
}
static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
abi_ulong target_addr,
socklen_t len)
{
struct target_ip_mreqn *target_smreqn;
target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
if (!target_smreqn)
return -TARGET_EFAULT;
mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
if (len == sizeof(struct target_ip_mreqn))
mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
unlock_user(target_smreqn, target_addr, 0);
return 0;
}
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
abi_ulong target_addr,
socklen_t len)
@ -1118,6 +1136,7 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
{
abi_long ret;
int val;
struct ip_mreqn *ip_mreq;
switch(level) {
case SOL_TCP:
@ -1156,6 +1175,17 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
}
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
break;
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
if (optlen < sizeof (struct target_ip_mreq) ||
optlen > sizeof (struct target_ip_mreqn))
return -TARGET_EINVAL;
ip_mreq = (struct ip_mreqn *) alloca(optlen);
target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
break;
default:
goto unimplemented;
}

15
linux-user/syscall_defs.h
View File

@ -111,6 +111,21 @@ struct target_sockaddr {
uint8_t sa_data[14];
};
struct target_in_addr {
uint32_t s_addr; /* big endian */
};
struct target_ip_mreq {
struct target_in_addr imr_multiaddr;
struct target_in_addr imr_address;
};
struct target_ip_mreqn {
struct target_in_addr imr_multiaddr;
struct target_in_addr imr_address;
abi_long imr_ifindex;
};
struct target_timeval {
abi_long tv_sec;
abi_long tv_usec;