Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

Fix slirp on windows

Marc-André Lureau (2):
  slirp: remove slirp_ prefix for socket wrappers
  slirp: wrap the remaining socket functions

# gpg: Signature made Wed 13 Feb 2019 18:31:21 GMT
# gpg:                using RSA key E61DBB15D4172BDEC97E92D9DB550E89F0FA54F3
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" [unknown]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: E61D BB15 D417 2BDE C97E  92D9 DB55 0E89 F0FA 54F3

* remotes/thibault/tags/samuel-thibault:
  slirp: wrap the remaining socket functions
  slirp: remove slirp_ prefix for socket wrappers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

8 files changed, 246 insertions, 39 deletions

diff --git a/slirp/ip_icmp.c b/slirp/ip_icmp.c
index ce79c0b..120108f 100644
--- a/slirp/ip_icmp.c
+++ b/slirp/ip_icmp.c
@@ -114,7 +114,7 @@ static int icmp_send(struct socket *so, struct mbuf *m, int hlen)
 void icmp_detach(struct socket *so)
 {
     so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque);
-    slirp_closesocket(so->s);
+    closesocket(so->s);
     sofree(so);
 }
 
@@ -421,7 +421,7 @@ void icmp_receive(struct socket *so)
     icp = mtod(m, struct icmp *);
 
     id = icp->icmp_id;
-    len = slirp_recv(so->s, icp, M_ROOM(m), 0);
+    len = recv(so->s, icp, M_ROOM(m), 0);
     /*
      * The behavior of reading SOCK_DGRAM+IPPROTO_ICMP sockets is inconsistent
      * between host OSes.  On Linux, only the ICMP header and payload is
diff --git a/slirp/misc.c b/slirp/misc.c
index 3f4cd85..d9fc586 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -98,16 +98,16 @@ slirp_socketpair_with_oob(int sv[2])
         goto err;
     }
 
-    slirp_closesocket(s);
+    closesocket(s);
     return 0;
 
 err:
     g_critical("slirp_socketpair(): %s", strerror(errno));
     if (s >= 0) {
-        slirp_closesocket(s);
+        closesocket(s);
     }
     if (sv[1] >= 0) {
-        slirp_closesocket(sv[1]);
+        closesocket(sv[1]);
     }
     return -1;
 }
@@ -211,16 +211,16 @@ fork_exec(struct socket *so, const char *ex)
     if (err) {
         g_critical("fork_exec: %s", err->message);
         g_error_free(err);
-        slirp_closesocket(sp[0]);
-        slirp_closesocket(sp[1]);
+        closesocket(sp[0]);
+        closesocket(sp[1]);
         return 0;
     }
 
     so->s = sp[0];
-    slirp_closesocket(sp[1]);
+    closesocket(sp[1]);
     slirp_socket_set_fast_reuse(so->s);
     opt = 1;
-    slirp_setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
+    setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
     slirp_set_nonblock(so->s);
     so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque);
     return 1;
diff --git a/slirp/slirp.c b/slirp/slirp.c
index a746c6f..5559143 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -961,7 +961,7 @@ int slirp_remove_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr,
             addr.sin_addr.s_addr == host_addr.s_addr &&
             addr.sin_port == port) {
             so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque);
-            slirp_closesocket(so->s);
+            closesocket(so->s);
             sofree(so);
             return 0;
         }
diff --git a/slirp/socket.c b/slirp/socket.c
index ce1d6ff..4876ea3 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -185,7 +185,7 @@ soread(struct socket *so)
 	 */
 	sopreprbuf(so, iov, &n);
 
-	nn = slirp_recv(so->s, iov[0].iov_base, iov[0].iov_len,0);
+	nn = recv(so->s, iov[0].iov_base, iov[0].iov_len,0);
 	if (nn <= 0) {
 		if (nn < 0 && (errno == EINTR || errno == EAGAIN))
 			return 0;
@@ -201,7 +201,7 @@ soread(struct socket *so)
 				if (getpeername(so->s, paddr, &alen) < 0) {
 					err = errno;
 				} else {
-					slirp_getsockopt(so->s, SOL_SOCKET, SO_ERROR,
+					getsockopt(so->s, SOL_SOCKET, SO_ERROR,
 						&err, &elen);
 				}
 			}
@@ -231,7 +231,7 @@ soread(struct socket *so)
 	 */
 	if (n == 2 && nn == iov[0].iov_len) {
             int ret;
-            ret = slirp_recv(so->s, iov[1].iov_base, iov[1].iov_len,0);
+            ret = recv(so->s, iov[1].iov_base, iov[1].iov_len,0);
             if (ret > 0)
                 nn += ret;
         }
@@ -552,7 +552,7 @@ sorecvfrom(struct socket *so)
 	   */
 	  len = M_FREEROOM(m);
 	  /* if (so->so_fport != htons(53)) { */
-	  slirp_ioctlsocket(so->s, FIONREAD, &n);
+	  ioctlsocket(so->s, FIONREAD, &n);
 
 	  if (n > len) {
 	    n = (m->m_data - m->m_dat) + m->m_len + n + 1;
@@ -724,7 +724,7 @@ tcp_listen(Slirp *slirp, uint32_t haddr, unsigned hport, uint32_t laddr,
 		int tmperrno = errno; /* Don't clobber the real reason we failed */
 
                 if (s >= 0) {
-                    slirp_closesocket(s);
+                    closesocket(s);
                 }
 		sofree(so);
 		/* Restore the real errno */
@@ -735,9 +735,9 @@ tcp_listen(Slirp *slirp, uint32_t haddr, unsigned hport, uint32_t laddr,
 #endif
 		return NULL;
 	}
-	slirp_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
+	setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
 	opt = 1;
-	slirp_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(int));
+	setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(int));
 
 	getsockname(s,(struct sockaddr *)&addr,&addrlen);
 	so->so_ffamily = AF_INET;
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index cda9481..262a42d 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -337,7 +337,7 @@ tcp_close(struct tcpcb *tp)
 	if (so == slirp->tcp_last_so)
 		slirp->tcp_last_so = &slirp->tcb;
 	so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque);
-	slirp_closesocket(so->s);
+	closesocket(so->s);
 	sbfree(&so->so_rcv);
 	sbfree(&so->so_snd);
 	sofree(so);
@@ -416,9 +416,9 @@ int tcp_fconnect(struct socket *so, unsigned short af)
     so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque);
     slirp_socket_set_fast_reuse(s);
     opt = 1;
-    slirp_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(opt));
+    setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(opt));
     opt = 1;
-    slirp_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
+    setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
 
     addr = so->fhost.ss;
     DEBUG_CALL(" connect()ing");
@@ -489,7 +489,7 @@ void tcp_connect(struct socket *inso)
     so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque);
     slirp_socket_set_fast_reuse(s);
     opt = 1;
-    slirp_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
+    setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
     slirp_socket_set_nodelay(s);
 
     so->fhost.ss = addr;
@@ -499,7 +499,7 @@ void tcp_connect(struct socket *inso)
     if (inso->so_state & SS_FACCEPTONCE) {
         /* If we only accept once, close the accept() socket */
         so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque);
-        slirp_closesocket(so->s);
+        closesocket(so->s);
 
         /* Don't select it yet, even though we have an FD */
         /* if it's not FACCEPTONCE, it's already NOFDREF */
diff --git a/slirp/udp.c b/slirp/udp.c
index 29a31e9..3d9a19b 100644
--- a/slirp/udp.c
+++ b/slirp/udp.c
@@ -292,7 +292,7 @@ void
 udp_detach(struct socket *so)
 {
 	so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque);
-	slirp_closesocket(so->s);
+	closesocket(so->s);
 	sofree(so);
 }
 
diff --git a/slirp/util.c b/slirp/util.c
index 84f5afd..1cbaa26 100644
--- a/slirp/util.c
+++ b/slirp/util.c
@@ -167,7 +167,7 @@ static int socket_error(void)
 }
 
 #undef ioctlsocket
-int slirp_ioctlsocket(int fd, int req, void *val)
+int slirp_ioctlsocket_wrap(int fd, int req, void *val)
 {
     int ret;
     ret = ioctlsocket(fd, req, val);
@@ -178,7 +178,7 @@ int slirp_ioctlsocket(int fd, int req, void *val)
 }
 
 #undef closesocket
-int slirp_closesocket(int fd)
+int slirp_closesocket_wrap(int fd)
 {
     int ret;
     ret = closesocket(fd);
@@ -187,6 +187,166 @@ int slirp_closesocket(int fd)
     }
     return ret;
 }
+
+#undef connect
+int slirp_connect_wrap(int sockfd, const struct sockaddr *addr, int addrlen)
+{
+    int ret;
+    ret = connect(sockfd, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef listen
+int slirp_listen_wrap(int sockfd, int backlog)
+{
+    int ret;
+    ret = listen(sockfd, backlog);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef bind
+int slirp_bind_wrap(int sockfd, const struct sockaddr *addr, int addrlen)
+{
+    int ret;
+    ret = bind(sockfd, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef socket
+int slirp_socket_wrap(int domain, int type, int protocol)
+{
+    int ret;
+    ret = socket(domain, type, protocol);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef accept
+int slirp_accept_wrap(int sockfd, struct sockaddr *addr, int *addrlen)
+{
+    int ret;
+    ret = accept(sockfd, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef shutdown
+int slirp_shutdown_wrap(int sockfd, int how)
+{
+    int ret;
+    ret = shutdown(sockfd, how);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef getsockopt
+int slirp_getsockopt_wrap(int sockfd, int level, int optname,
+                          void *optval, int *optlen)
+{
+    int ret;
+    ret = getsockopt(sockfd, level, optname, optval, optlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef setsockopt
+int slirp_setsockopt_wrap(int sockfd, int level, int optname,
+                          const void *optval, int optlen)
+{
+    int ret;
+    ret = setsockopt(sockfd, level, optname, optval, optlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef getpeername
+int slirp_getpeername_wrap(int sockfd, struct sockaddr *addr,
+                           int *addrlen)
+{
+    int ret;
+    ret = getpeername(sockfd, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef getsockname
+int slirp_getsockname_wrap(int sockfd, struct sockaddr *addr,
+                           int *addrlen)
+{
+    int ret;
+    ret = getsockname(sockfd, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef send
+ssize_t slirp_send_wrap(int sockfd, const void *buf, size_t len, int flags)
+{
+    int ret;
+    ret = send(sockfd, buf, len, flags);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef sendto
+ssize_t slirp_sendto_wrap(int sockfd, const void *buf, size_t len, int flags,
+                     const struct sockaddr *addr, int addrlen)
+{
+    int ret;
+    ret = sendto(sockfd, buf, len, flags, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef recv
+ssize_t slirp_recv_wrap(int sockfd, void *buf, size_t len, int flags)
+{
+    int ret;
+    ret = recv(sockfd, buf, len, flags);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
+
+#undef recvfrom
+ssize_t slirp_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags,
+                            struct sockaddr *addr, int *addrlen)
+{
+    int ret;
+    ret = recvfrom(sockfd, buf, len, flags, addr, addrlen);
+    if (ret < 0) {
+        errno = socket_error();
+    }
+    return ret;
+}
 #endif /* WIN32 */
 
 void slirp_pstrcpy(char *buf, int buf_size, const char *str)
diff --git a/slirp/util.h b/slirp/util.h
index 4963747..c4207a4 100644
--- a/slirp/util.h
+++ b/slirp/util.h
@@ -81,21 +81,68 @@ struct iovec {
 #define ETH_P_NCSI                (0x88f8)
 #define ETH_P_UNKNOWN             (0xffff)
 
+/* FIXME: remove me when made standalone */
 #ifdef _WIN32
-int slirp_closesocket(int fd);
-int slirp_ioctlsocket(int fd, int req, void *val);
+#undef accept
+#undef bind
+#undef closesocket
+#undef connect
+#undef getpeername
+#undef getsockname
+#undef getsockopt
+#undef ioctlsocket
+#undef listen
+#undef recv
+#undef recvfrom
+#undef send
+#undef sendto
+#undef setsockopt
+#undef shutdown
+#undef socket
+#endif
+
+#ifdef _WIN32
+#define connect slirp_connect_wrap
+int slirp_connect_wrap(int fd, const struct sockaddr *addr, int addrlen);
+#define listen slirp_listen_wrap
+int slirp_listen_wrap(int fd, int backlog);
+#define bind slirp_bind_wrap
+int slirp_bind_wrap(int fd, const struct sockaddr *addr, int addrlen);
+#define socket slirp_socket_wrap
+int slirp_socket_wrap(int domain, int type, int protocol);
+#define accept slirp_accept_wrap
+int slirp_accept_wrap(int fd, struct sockaddr *addr, int *addrlen);
+#define shutdown slirp_shutdown_wrap
+int slirp_shutdown_wrap(int fd, int how);
+#define getpeername slirp_getpeername_wrap
+int slirp_getpeername_wrap(int fd, struct sockaddr *addr, int *addrlen);
+#define getsockname slirp_getsockname_wrap
+int slirp_getsockname_wrap(int fd, struct sockaddr *addr, int *addrlen);
+#define send slirp_send_wrap
+ssize_t slirp_send_wrap(int fd, const void *buf, size_t len, int flags);
+#define sendto slirp_sendto_wrap
+ssize_t slirp_sendto_wrap(int fd, const void *buf, size_t len, int flags,
+                          const struct sockaddr *dest_addr, int addrlen);
+#define recv slirp_recv_wrap
+ssize_t slirp_recv_wrap(int fd, void *buf, size_t len, int flags);
+#define recvfrom slirp_recvfrom_wrap
+ssize_t slirp_recvfrom_wrap(int fd, void *buf, size_t len, int flags,
+                            struct sockaddr *src_addr, int *addrlen);
+#define closesocket slirp_closesocket_wrap
+int slirp_closesocket_wrap(int fd);
+#define ioctlsocket slirp_ioctlsocket_wrap
+int slirp_ioctlsocket_wrap(int fd, int req, void *val);
+#define getsockopt slirp_getsockopt_wrap
+int slirp_getsockopt_wrap(int sockfd, int level, int optname,
+                     void *optval, int *optlen);
+#define setsockopt slirp_setsockopt_wrap
+int slirp_setsockopt_wrap(int sockfd, int level, int optname,
+                          const void *optval, int optlen);
+
 int inet_aton(const char *cp, struct in_addr *ia);
-#define slirp_getsockopt(sockfd, level, optname, optval, optlen) \
-    getsockopt(sockfd, level, optname, (void *)optval, optlen)
-#define slirp_setsockopt(sockfd, level, optname, optval, optlen)        \
-    setsockopt(sockfd, level, optname, (const void *)optval, optlen)
-#define slirp_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
 #else
-#define slirp_setsockopt setsockopt
-#define slirp_getsockopt getsockopt
-#define slirp_recv recv
-#define slirp_closesocket close
-#define slirp_ioctlsocket ioctl
+#define closesocket(s) close(s)
+#define ioctlsocket(s, r, v) ioctl(s, r, v)
 #endif
 
 int slirp_socket(int domain, int type, int protocol);
@@ -104,14 +151,14 @@ void slirp_set_nonblock(int fd);
 static inline int slirp_socket_set_nodelay(int fd)
 {
     int v = 1;
-    return slirp_setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v));
+    return setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v));
 }
 
 static inline int slirp_socket_set_fast_reuse(int fd)
 {
 #ifndef _WIN32
     int v = 1;
-    return slirp_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v));
+    return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v));
 #else
     /* Enabling the reuse of an endpoint that was used by a socket still in
      * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows