[Qemu-devel] [PATCH] linux-user: Added IP_(UN)BLOCK_SOURCE/IP_(ADD|DROP)_SOURCE_MEMBERSHIP flags to setsockopt

[Lionel Landwerlin <lionel.landwerlin@openwide.fr>]

linux-user: Added IP_(UN)BLOCK_SOURCE/IP_(ADD|DROP)_SOURCE_MEMBERSHIP flags to setsockopt

Signed-off-by: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
---
 linux-user/syscall.c      |   13 +++++++++++++
 linux-user/syscall_defs.h |    7 +++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 42f1089..898c962 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1138,6 +1138,7 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
     abi_long ret;
     int val;
     struct ip_mreqn *ip_mreq;
+    struct ip_mreq_source *ip_mreq_source;
 
     switch(level) {
     case SOL_TCP:
@@ -1187,6 +1188,18 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
             ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
             break;
 
+        case IP_BLOCK_SOURCE:
+        case IP_UNBLOCK_SOURCE:
+        case IP_ADD_SOURCE_MEMBERSHIP:
+        case IP_DROP_SOURCE_MEMBERSHIP:
+            if (optlen != sizeof (struct target_ip_mreq_source))
+                return -TARGET_EINVAL;
+
+            ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
+            ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
+            unlock_user (ip_mreq_source, optval_addr, 0);
+            break;
+
         default:
             goto unimplemented;
         }
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 3284710..f940d16 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -119,6 +119,13 @@ struct target_ip_mreqn {
     abi_long imr_ifindex;
 };
 
+struct target_ip_mreq_source {
+    /* big endian */
+    uint32_t imr_multiaddr;
+    uint32_t imr_interface;
+    uint32_t imr_sourceaddr;
+};
+
 struct target_timeval {
     abi_long tv_sec;
     abi_long tv_usec;
-- 
1.6.2.4



-- 
Lionel Landwerlin <lionel.landwerlin@openwide.fr>