diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 5a272d3d08..a50229d0d7 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1140,6 +1140,13 @@ static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, memcpy(addr, target_saddr, len); addr->sa_family = sa_family; + if (sa_family == AF_PACKET) { + struct target_sockaddr_ll *lladdr; + + lladdr = (struct target_sockaddr_ll *)addr; + lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); + lladdr->sll_hatype = tswap16(lladdr->sll_hatype); + } unlock_user(target_saddr, target_addr, 0); return 0; @@ -1497,6 +1504,25 @@ 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; @@ -1958,7 +1984,7 @@ static abi_long do_connect(int sockfd, abi_ulong target_addr, return -TARGET_EINVAL; } - addr = alloca(addrlen); + addr = alloca(addrlen+1); ret = target_to_host_sockaddr(addr, target_addr, addrlen); if (ret) @@ -1979,7 +2005,7 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, if (msgp->msg_name) { msg.msg_namelen = tswap32(msgp->msg_namelen); - msg.msg_name = alloca(msg.msg_namelen); + msg.msg_name = alloca(msg.msg_namelen+1); ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), msg.msg_namelen); if (ret) { @@ -2242,7 +2268,7 @@ static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, if (!host_msg) return -TARGET_EFAULT; if (target_addr) { - addr = alloca(addrlen); + addr = alloca(addrlen+1); ret = target_to_host_sockaddr(addr, target_addr, addrlen); if (ret) { unlock_user(host_msg, msg, 0); |