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| author | Martin Willi <martin@revosec.ch> | 2013-10-17 11:32:48 +0200 |
|---|---|---|
| committer | Martin Willi <martin@revosec.ch> | 2014-06-04 15:52:59 +0200 |
| commit | df0769299adf6ebe2e3cf9317db00ea088a8da9f (patch) | |
| tree | efa5ca4b7a17c9493c458788259a555e1286e88d /src | |
| parent | 20021277f251d3a272cf5620476159642e21efb7 (diff) | |
| download | strongswan-df0769299adf6ebe2e3cf9317db00ea088a8da9f.tar.bz2 strongswan-df0769299adf6ebe2e3cf9317db00ea088a8da9f.tar.xz | |
windows: Map WSAGetLastError() to errno failures in wrapped send/recv/from/to
Diffstat (limited to 'src')
| -rw-r--r-- | src/libstrongswan/utils/windows.c | 92 |
1 files changed, 80 insertions, 12 deletions
diff --git a/src/libstrongswan/utils/windows.c b/src/libstrongswan/utils/windows.c index 06e0f8295..a0ff6b84b 100644 --- a/src/libstrongswan/utils/windows.c +++ b/src/libstrongswan/utils/windows.c @@ -99,6 +99,74 @@ int socketpair(int domain, int type, int protocol, int sv[2]) } /** + * Set errno for a function setting WSA error on failure + */ +static int wserr(int retval) +{ + if (retval < 0) + { + switch (WSAGetLastError()) + { + case WSANOTINITIALISED: + errno = EBADF; + break; + case WSAENETDOWN: + case WSAENETRESET: + case WSAESHUTDOWN: + errno = EPIPE; + break; + case WSAEACCES: + errno = EACCES; + break; + case WSAEINTR: + errno = EINTR; + break; + case WSAEINPROGRESS: + errno = EBUSY; + break; + case WSAEFAULT: + errno = EFAULT; + break; + case WSAENOBUFS: + errno = ENOMEM; + break; + case WSAENOTSOCK: + errno = EINVAL; + break; + case WSAEOPNOTSUPP: + errno = ENOSYS; + break; + case WSAEWOULDBLOCK: + errno = EWOULDBLOCK; + break; + case WSAEMSGSIZE: + errno = ENOSPC; + break; + case WSAEINVAL: + errno = EINVAL; + break; + case WSAENOTCONN: + case WSAEHOSTUNREACH: + case WSAECONNABORTED: + case WSAECONNRESET: + errno = EIO; + break; + case WSAETIMEDOUT: + errno = ESRCH; + break; + default: + errno = ENOENT; + break; + } + } + else + { + errno = 0; + } + return retval; +} + +/** * Check and clear the dontwait flag */ static bool check_dontwait(int *flags) @@ -122,11 +190,11 @@ ssize_t windows_recv(int sockfd, void *buf, size_t len, int flags) if (!check_dontwait(&flags)) { - return recv(sockfd, buf, len, flags); + return wserr(recv(sockfd, buf, len, flags)); } - if (ioctlsocket(sockfd, FIONBIO, &on) == 0) + if (wserr(ioctlsocket(sockfd, FIONBIO, &on) == 0)) { - outlen = recv(sockfd, buf, len, flags); + outlen = wserr(recv(sockfd, buf, len, flags)); ioctlsocket(sockfd, FIONBIO, &off); } return outlen; @@ -144,11 +212,11 @@ ssize_t windows_recvfrom(int sockfd, void *buf, size_t len, int flags, if (!check_dontwait(&flags)) { - return recvfrom(sockfd, buf, len, flags, src_addr, addrlen); + return wserr(recvfrom(sockfd, buf, len, flags, src_addr, addrlen)); } - if (ioctlsocket(sockfd, FIONBIO, &on) == 0) + if (wserr(ioctlsocket(sockfd, FIONBIO, &on)) == 0) { - outlen = recvfrom(sockfd, buf, len, flags, src_addr, addrlen); + outlen = wserr(recvfrom(sockfd, buf, len, flags, src_addr, addrlen)); ioctlsocket(sockfd, FIONBIO, &off); } return outlen; @@ -165,11 +233,11 @@ ssize_t windows_send(int sockfd, const void *buf, size_t len, int flags) if (!check_dontwait(&flags)) { - return send(sockfd, buf, len, flags); + return wserr(send(sockfd, buf, len, flags)); } - if (ioctlsocket(sockfd, FIONBIO, &on) == 0) + if (wserr(ioctlsocket(sockfd, FIONBIO, &on)) == 0) { - outlen = send(sockfd, buf, len, flags); + outlen = wserr(send(sockfd, buf, len, flags)); ioctlsocket(sockfd, FIONBIO, &off); } return outlen; @@ -187,11 +255,11 @@ ssize_t windows_sendto(int sockfd, const void *buf, size_t len, int flags, if (!check_dontwait(&flags)) { - return sendto(sockfd, buf, len, flags, dest_addr, addrlen); + return wserr(sendto(sockfd, buf, len, flags, dest_addr, addrlen)); } - if (ioctlsocket(sockfd, FIONBIO, &on) == 0) + if (wserr(ioctlsocket(sockfd, FIONBIO, &on)) == 0) { - outlen = sendto(sockfd, buf, len, flags, dest_addr, addrlen); + outlen = wserr(sendto(sockfd, buf, len, flags, dest_addr, addrlen)); ioctlsocket(sockfd, FIONBIO, &off); } return outlen; |