diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f6751eecb7..247883292c 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -2248,6 +2248,39 @@ set_timeout: return -TARGET_EFAULT; ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); break; +#ifdef SOL_NETLINK + case SOL_NETLINK: + switch (optname) { + case NETLINK_PKTINFO: + case NETLINK_ADD_MEMBERSHIP: + case NETLINK_DROP_MEMBERSHIP: + case NETLINK_BROADCAST_ERROR: + case NETLINK_NO_ENOBUFS: +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) + case NETLINK_LISTEN_ALL_NSID: + case NETLINK_CAP_ACK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) + case NETLINK_EXT_ACK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) + case NETLINK_GET_STRICT_CHK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ + break; + default: + goto unimplemented; + } + val = 0; + if (optlen < sizeof(uint32_t)) { + return -TARGET_EINVAL; + } + if (get_user_u32(val, optval_addr)) { + return -TARGET_EFAULT; + } + ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val, + sizeof(val))); + break; +#endif /* SOL_NETLINK */ default: unimplemented: gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); @@ -2532,6 +2565,74 @@ static abi_long do_getsockopt(int sockfd, int level, int optname, break; } break; +#ifdef SOL_NETLINK + case SOL_NETLINK: + switch (optname) { + case NETLINK_PKTINFO: + case NETLINK_BROADCAST_ERROR: + case NETLINK_NO_ENOBUFS: +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) + case NETLINK_LISTEN_ALL_NSID: + case NETLINK_CAP_ACK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) + case NETLINK_EXT_ACK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) + case NETLINK_GET_STRICT_CHK: +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ + if (get_user_u32(len, optlen)) { + return -TARGET_EFAULT; + } + if (len != sizeof(val)) { + return -TARGET_EINVAL; + } + lv = len; + ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); + if (ret < 0) { + return ret; + } + if (put_user_u32(lv, optlen) + || put_user_u32(val, optval_addr)) { + return -TARGET_EFAULT; + } + break; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) + case NETLINK_LIST_MEMBERSHIPS: + { + uint32_t *results; + int i; + if (get_user_u32(len, optlen)) { + return -TARGET_EFAULT; + } + if (len < 0) { + return -TARGET_EINVAL; + } + results = lock_user(VERIFY_WRITE, optval_addr, len, 1); + if (!results) { + return -TARGET_EFAULT; + } + lv = len; + ret = get_errno(getsockopt(sockfd, level, optname, results, &lv)); + if (ret < 0) { + unlock_user(results, optval_addr, 0); + return ret; + } + /* swap host endianess to target endianess. */ + for (i = 0; i < (len / sizeof(uint32_t)); i++) { + results[i] = tswap32(results[i]); + } + if (put_user_u32(lv, optlen)) { + return -TARGET_EFAULT; + } + unlock_user(results, optval_addr, 0); + break; + } +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ + default: + goto unimplemented; + } +#endif /* SOL_NETLINK */ default: unimplemented: gemu_log("getsockopt level=%d optname=%d not yet supported\n",