diff options
| -rw-r--r-- | linux-user/syscall.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 5a272d3d08..dcf13238e5 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1497,6 +1497,25 @@ set_timeout: unlock_user_struct(tfprog, optval_addr, 1); return ret; } + case TARGET_SO_BINDTODEVICE: + { + char *dev_ifname, *addr_ifname; + + if (optlen > IFNAMSIZ - 1) { + optlen = IFNAMSIZ - 1; + } + dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); + if (!dev_ifname) { + return -TARGET_EFAULT; + } + optname = SO_BINDTODEVICE; + addr_ifname = alloca(IFNAMSIZ); + memcpy(addr_ifname, dev_ifname, optlen); + addr_ifname[optlen] = 0; + ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen)); + unlock_user (dev_ifname, optval_addr, 0); + return ret; + } /* Options with 'int' argument. */ case TARGET_SO_DEBUG: optname = SO_DEBUG; |