diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 3484132e34..94d64fa30d 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -2090,6 +2090,30 @@ static int sock_flags_fixup(int fd, int target_type) return fd; } +static abi_long packet_target_to_host_sockaddr(void *host_addr, + abi_ulong target_addr, + socklen_t len) +{ + struct sockaddr *addr = host_addr; + struct target_sockaddr *target_saddr; + + target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); + if (!target_saddr) { + return -TARGET_EFAULT; + } + + memcpy(addr, target_saddr, len); + addr->sa_family = tswap16(target_saddr->sa_family); + /* spkt_protocol is big-endian */ + + unlock_user(target_saddr, target_addr, 0); + return 0; +} + +static TargetFdTrans target_packet_trans = { + .target_to_host_addr = packet_target_to_host_sockaddr, +}; + /* do_socket() Must return target values and target errnos. */ static abi_long do_socket(int domain, int type, int protocol) { @@ -2112,6 +2136,12 @@ static abi_long do_socket(int domain, int type, int protocol) ret = get_errno(socket(domain, type, protocol)); if (ret >= 0) { ret = sock_flags_fixup(ret, target_type); + if (type == SOCK_PACKET) { + /* Manage an obsolete case : + * if socket type is SOCK_PACKET, bind by name + */ + fd_trans_register(ret, &target_packet_trans); + } } return ret; } |