deleted file mode 100644
@@ -1,573 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "net/socket.h"
-
-#include "config-host.h"
-
-#include "net.h"
-#include "qemu-char.h"
-#include "qemu-common.h"
-#include "qemu-error.h"
-#include "qemu-option.h"
-#include "qemu_socket.h"
-
-typedef struct NetSocketState {
- VLANClientState nc;
- int fd;
- int state; /* 0 = getting length, 1 = getting data */
- unsigned int index;
- unsigned int packet_len;
- uint8_t buf[4096];
- struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
-} NetSocketState;
-
-typedef struct NetSocketListenState {
- VLANState *vlan;
- char *model;
- char *name;
- int fd;
-} NetSocketListenState;
-
-/* XXX: we consider we can send the whole packet without blocking */
-static ssize_t net_socket_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
- uint32_t len;
- len = htonl(size);
-
- send_all(s->fd, (const uint8_t *)&len, sizeof(len));
- return send_all(s->fd, buf, size);
-}
-
-static ssize_t net_socket_receive_dgram(VLANClientState *nc, const uint8_t *buf, size_t size)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
-
- return sendto(s->fd, (const void *)buf, size, 0,
- (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
-}
-
-static void net_socket_send(void *opaque)
-{
- NetSocketState *s = opaque;
- int size, err;
- unsigned l;
- uint8_t buf1[4096];
- const uint8_t *buf;
-
- size = recv(s->fd, (void *)buf1, sizeof(buf1), 0);
- if (size < 0) {
- err = socket_error();
- if (err != EWOULDBLOCK)
- goto eoc;
- } else if (size == 0) {
- /* end of connection */
- eoc:
- qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
- closesocket(s->fd);
- return;
- }
- buf = buf1;
- while (size > 0) {
- /* reassemble a packet from the network */
- switch(s->state) {
- case 0:
- l = 4 - s->index;
- if (l > size)
- l = size;
- memcpy(s->buf + s->index, buf, l);
- buf += l;
- size -= l;
- s->index += l;
- if (s->index == 4) {
- /* got length */
- s->packet_len = ntohl(*(uint32_t *)s->buf);
- s->index = 0;
- s->state = 1;
- }
- break;
- case 1:
- l = s->packet_len - s->index;
- if (l > size)
- l = size;
- if (s->index + l <= sizeof(s->buf)) {
- memcpy(s->buf + s->index, buf, l);
- } else {
- fprintf(stderr, "serious error: oversized packet received,"
- "connection terminated.\n");
- s->state = 0;
- goto eoc;
- }
-
- s->index += l;
- buf += l;
- size -= l;
- if (s->index >= s->packet_len) {
- qemu_send_packet(&s->nc, s->buf, s->packet_len);
- s->index = 0;
- s->state = 0;
- }
- break;
- }
- }
-}
-
-static void net_socket_send_dgram(void *opaque)
-{
- NetSocketState *s = opaque;
- int size;
-
- size = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0);
- if (size < 0)
- return;
- if (size == 0) {
- /* end of connection */
- qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
- return;
- }
- qemu_send_packet(&s->nc, s->buf, size);
-}
-
-static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
-{
- struct ip_mreq imr;
- int fd;
- int val, ret;
- if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
- fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
- inet_ntoa(mcastaddr->sin_addr),
- (int)ntohl(mcastaddr->sin_addr.s_addr));
- return -1;
-
- }
- fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
- if (fd < 0) {
- perror("socket(PF_INET, SOCK_DGRAM)");
- return -1;
- }
-
- val = 1;
- ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
- (const char *)&val, sizeof(val));
- if (ret < 0) {
- perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
- goto fail;
- }
-
- ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
- if (ret < 0) {
- perror("bind");
- goto fail;
- }
-
- /* Add host to multicast group */
- imr.imr_multiaddr = mcastaddr->sin_addr;
- imr.imr_interface.s_addr = htonl(INADDR_ANY);
-
- ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
- (const char *)&imr, sizeof(struct ip_mreq));
- if (ret < 0) {
- perror("setsockopt(IP_ADD_MEMBERSHIP)");
- goto fail;
- }
-
- /* Force mcast msgs to loopback (eg. several QEMUs in same host */
- val = 1;
- ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
- (const char *)&val, sizeof(val));
- if (ret < 0) {
- perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
- goto fail;
- }
-
- socket_set_nonblock(fd);
- return fd;
-fail:
- if (fd >= 0)
- closesocket(fd);
- return -1;
-}
-
-static void net_socket_cleanup(VLANClientState *nc)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
- qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
- close(s->fd);
-}
-
-static NetClientInfo net_dgram_socket_info = {
- .type = NET_CLIENT_TYPE_SOCKET,
- .size = sizeof(NetSocketState),
- .receive = net_socket_receive_dgram,
- .cleanup = net_socket_cleanup,
-};
-
-static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
- const char *model,
- const char *name,
- int fd, int is_connected)
-{
- struct sockaddr_in saddr;
- int newfd;
- socklen_t saddr_len;
- VLANClientState *nc;
- NetSocketState *s;
-
- /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
- * Because this may be "shared" socket from a "master" process, datagrams would be recv()
- * by ONLY ONE process: we must "clone" this dgram socket --jjo
- */
-
- if (is_connected) {
- if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
- /* must be bound */
- if (saddr.sin_addr.s_addr==0) {
- fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
- fd);
- return NULL;
- }
- /* clone dgram socket */
- newfd = net_socket_mcast_create(&saddr);
- if (newfd < 0) {
- /* error already reported by net_socket_mcast_create() */
- close(fd);
- return NULL;
- }
- /* clone newfd to fd, close newfd */
- dup2(newfd, fd);
- close(newfd);
-
- } else {
- fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
- fd, strerror(errno));
- return NULL;
- }
- }
-
- nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str),
- "socket: fd=%d (%s mcast=%s:%d)",
- fd, is_connected ? "cloned" : "",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
-
- s = DO_UPCAST(NetSocketState, nc, nc);
-
- s->fd = fd;
-
- qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
-
- /* mcast: save bound address as dst */
- if (is_connected) s->dgram_dst=saddr;
-
- return s;
-}
-
-static void net_socket_connect(void *opaque)
-{
- NetSocketState *s = opaque;
- qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
-}
-
-static NetClientInfo net_socket_info = {
- .type = NET_CLIENT_TYPE_SOCKET,
- .size = sizeof(NetSocketState),
- .receive = net_socket_receive,
- .cleanup = net_socket_cleanup,
-};
-
-static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
- const char *model,
- const char *name,
- int fd, int is_connected)
-{
- VLANClientState *nc;
- NetSocketState *s;
-
- nc = qemu_new_net_client(&net_socket_info, vlan, NULL, model, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
-
- s = DO_UPCAST(NetSocketState, nc, nc);
-
- s->fd = fd;
-
- if (is_connected) {
- net_socket_connect(s);
- } else {
- qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
- }
- return s;
-}
-
-static NetSocketState *net_socket_fd_init(VLANState *vlan,
- const char *model, const char *name,
- int fd, int is_connected)
-{
- int so_type = -1, optlen=sizeof(so_type);
-
- if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
- (socklen_t *)&optlen)< 0) {
- fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
- return NULL;
- }
- switch(so_type) {
- case SOCK_DGRAM:
- return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected);
- case SOCK_STREAM:
- return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
- default:
- /* who knows ... this could be a eg. a pty, do warn and continue as stream */
- fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
- return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
- }
- return NULL;
-}
-
-static void net_socket_accept(void *opaque)
-{
- NetSocketListenState *s = opaque;
- NetSocketState *s1;
- struct sockaddr_in saddr;
- socklen_t len;
- int fd;
-
- for(;;) {
- len = sizeof(saddr);
- fd = qemu_accept(s->fd, (struct sockaddr *)&saddr, &len);
- if (fd < 0 && errno != EINTR) {
- return;
- } else if (fd >= 0) {
- break;
- }
- }
- s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1);
- if (!s1) {
- closesocket(fd);
- } else {
- snprintf(s1->nc.info_str, sizeof(s1->nc.info_str),
- "socket: connection from %s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- }
-}
-
-static int net_socket_listen_init(VLANState *vlan,
- const char *model,
- const char *name,
- const char *host_str)
-{
- NetSocketListenState *s;
- int fd, val, ret;
- struct sockaddr_in saddr;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
- s = qemu_mallocz(sizeof(NetSocketListenState));
-
- fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
- if (fd < 0) {
- perror("socket");
- return -1;
- }
- socket_set_nonblock(fd);
-
- /* allow fast reuse */
- val = 1;
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
-
- ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
- if (ret < 0) {
- perror("bind");
- return -1;
- }
- ret = listen(fd, 0);
- if (ret < 0) {
- perror("listen");
- return -1;
- }
- s->vlan = vlan;
- s->model = qemu_strdup(model);
- s->name = name ? qemu_strdup(name) : NULL;
- s->fd = fd;
- qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
- return 0;
-}
-
-static int net_socket_connect_init(VLANState *vlan,
- const char *model,
- const char *name,
- const char *host_str)
-{
- NetSocketState *s;
- int fd, connected, ret, err;
- struct sockaddr_in saddr;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
- fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
- if (fd < 0) {
- perror("socket");
- return -1;
- }
- socket_set_nonblock(fd);
-
- connected = 0;
- for(;;) {
- ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
- if (ret < 0) {
- err = socket_error();
- if (err == EINTR || err == EWOULDBLOCK) {
- } else if (err == EINPROGRESS) {
- break;
-#ifdef _WIN32
- } else if (err == WSAEALREADY) {
- break;
-#endif
- } else {
- perror("connect");
- closesocket(fd);
- return -1;
- }
- } else {
- connected = 1;
- break;
- }
- }
- s = net_socket_fd_init(vlan, model, name, fd, connected);
- if (!s)
- return -1;
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: connect to %s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- return 0;
-}
-
-static int net_socket_mcast_init(VLANState *vlan,
- const char *model,
- const char *name,
- const char *host_str)
-{
- NetSocketState *s;
- int fd;
- struct sockaddr_in saddr;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
-
- fd = net_socket_mcast_create(&saddr);
- if (fd < 0)
- return -1;
-
- s = net_socket_fd_init(vlan, model, name, fd, 0);
- if (!s)
- return -1;
-
- s->dgram_dst = saddr;
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: mcast=%s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- return 0;
-
-}
-
-int net_init_socket(QemuOpts *opts,
- Monitor *mon,
- const char *name,
- VLANState *vlan)
-{
- if (qemu_opt_get(opts, "fd")) {
- int fd;
-
- if (qemu_opt_get(opts, "listen") ||
- qemu_opt_get(opts, "connect") ||
- qemu_opt_get(opts, "mcast")) {
- error_report("listen=, connect= and mcast= is invalid with fd=");
- return -1;
- }
-
- fd = net_handle_fd_param(mon, qemu_opt_get(opts, "fd"));
- if (fd == -1) {
- return -1;
- }
-
- if (!net_socket_fd_init(vlan, "socket", name, fd, 1)) {
- close(fd);
- return -1;
- }
- } else if (qemu_opt_get(opts, "listen")) {
- const char *listen;
-
- if (qemu_opt_get(opts, "fd") ||
- qemu_opt_get(opts, "connect") ||
- qemu_opt_get(opts, "mcast")) {
- error_report("fd=, connect= and mcast= is invalid with listen=");
- return -1;
- }
-
- listen = qemu_opt_get(opts, "listen");
-
- if (net_socket_listen_init(vlan, "socket", name, listen) == -1) {
- return -1;
- }
- } else if (qemu_opt_get(opts, "connect")) {
- const char *connect;
-
- if (qemu_opt_get(opts, "fd") ||
- qemu_opt_get(opts, "listen") ||
- qemu_opt_get(opts, "mcast")) {
- error_report("fd=, listen= and mcast= is invalid with connect=");
- return -1;
- }
-
- connect = qemu_opt_get(opts, "connect");
-
- if (net_socket_connect_init(vlan, "socket", name, connect) == -1) {
- return -1;
- }
- } else if (qemu_opt_get(opts, "mcast")) {
- const char *mcast;
-
- if (qemu_opt_get(opts, "fd") ||
- qemu_opt_get(opts, "connect") ||
- qemu_opt_get(opts, "listen")) {
- error_report("fd=, connect= and listen= is invalid with mcast=");
- return -1;
- }
-
- mcast = qemu_opt_get(opts, "mcast");
-
- if (net_socket_mcast_init(vlan, "socket", name, mcast) == -1) {
- return -1;
- }
- } else {
- error_report("-socket requires fd=, listen=, connect= or mcast=");
- return -1;
- }
-
- return 0;
-}
deleted file mode 100644
@@ -1,33 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef QEMU_NET_SOCKET_H
-#define QEMU_NET_SOCKET_H
-
-#include "net.h"
-#include "qemu-common.h"
-
-int net_init_socket(QemuOpts *opts, Monitor *mon,
- const char *name, VLANState *vlan);
-
-#endif /* QEMU_NET_SOCKET_H */