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[Qemu-devel] [PATCH 10/21] linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_M
From: |
riku . voipio |
Subject: |
[Qemu-devel] [PATCH 10/21] linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP flags to setsockopt |
Date: |
Fri, 12 Jun 2009 16:50:20 +0300 |
From: Lionel Landwerlin <address@hidden>
linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP flags to setsockopt
From: Lionel Landwerlin <address@hidden>
Signed-off-by: Lionel Landwerlin <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
linux-user/syscall.c | 30 ++++++++++++++++++++++++++++++
linux-user/syscall_defs.h | 15 +++++++++++++++
2 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index d1febff..7648126 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -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;
}
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index b79d2df..6e68c91 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -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;
--
1.6.2.1
- Re: [Qemu-devel] [PATCH 05/21] linux-user: strace now handles guest strings correctly [v2], (continued)
- [Qemu-devel] [PATCH 09/21] Return EOPNOTSUPP instead of ENOSYS for *xattr* syscalls, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 04/21] linux-user: added x86 and x86_64 support for ELF coredump, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 19/21] linux-user: initialize mmap_mutex properly, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 13/21] linux-user: support private futexes, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 14/21] add futex wake op, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 07/21] linux-user: fix utimensat, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 15/21] linux-user: update syscall list, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 02/21] Implement shm* syscalls and fix 64/32bit errors, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 10/21] linux-user: Added IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP flags to setsockopt,
riku . voipio <=
- [Qemu-devel] [PATCH 12/21] linux-user: include linux/fs.h, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 20/21] linux-user/syscall.c: define _ATFILE_SOURCE, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 16/21] linux-user: implement pipe2 [v3], riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 17/21] linux-user: add tee, splice and vmsplice, riku . voipio, 2009/06/12
- [Qemu-devel] [PATCH 08/21] Fix struct termios host - target translation, riku . voipio, 2009/06/12