Move net.h to include/net/
+ Move net-android.c and net.c to net/
+ Rename net-checksum.c to net/checksum.c
+ Move sockets.h and shaper.h to include/android/
and sockets.c + shaper.c to android/
+ Move vgafont.h to ui/
Change-Id: I2659a919a316d3f95aac0f9924833eeee4cb5592
diff --git a/net/net.c b/net/net.c
new file mode 100644
index 0000000..f2b956d
--- /dev/null
+++ b/net/net.c
@@ -0,0 +1,2534 @@
+/*
+ * 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 <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <zlib.h>
+
+/* Needed early for CONFIG_BSD etc. */
+#include "config-host.h"
+
+#ifndef _WIN32
+#include <sys/times.h>
+#include <sys/wait.h>
+#include <termios.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/resource.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#ifdef __NetBSD__
+#include <net/if_tap.h>
+#endif
+#ifdef __linux__
+#include <linux/if_tun.h>
+#endif
+#include <arpa/inet.h>
+#include <dirent.h>
+#include <netdb.h>
+#include <sys/select.h>
+#ifdef CONFIG_BSD
+#include <sys/stat.h>
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+#include <libutil.h>
+#else
+#include <util.h>
+#endif
+#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
+#include <freebsd/stdlib.h>
+#else
+#ifdef __linux__
+#include <pty.h>
+#include <malloc.h>
+#include <linux/rtc.h>
+
+/* For the benefit of older linux systems which don't supply it,
+ we use a local copy of hpet.h. */
+/* #include <linux/hpet.h> */
+#include "hpet.h"
+
+#include <linux/ppdev.h>
+#include <linux/parport.h>
+#endif
+#ifdef __sun__
+#include <sys/stat.h>
+#include <sys/ethernet.h>
+#include <sys/sockio.h>
+#include <netinet/arp.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h> // must come after ip.h
+#include <netinet/udp.h>
+#include <netinet/tcp.h>
+#include <net/if.h>
+#include <syslog.h>
+#include <stropts.h>
+#endif
+#endif
+#endif
+
+#if defined(__OpenBSD__)
+#include <util.h>
+#endif
+
+#if defined(CONFIG_VDE)
+#include <libvdeplug.h>
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+#include <malloc.h>
+#include <sys/timeb.h>
+#include <mmsystem.h>
+#define getopt_long_only getopt_long
+#define memalign(align, size) malloc(size)
+#endif
+
+#include "qemu-common.h"
+#include "net/net.h"
+#include "monitor.h"
+#include "sysemu.h"
+#include "qemu/timer.h"
+#include "qemu-char.h"
+#include "audio/audio.h"
+#include "qemu_socket.h"
+#include "qemu-log.h"
+
+#if defined(CONFIG_SLIRP)
+#include "libslirp.h"
+#endif
+
+
+static VLANState *first_vlan;
+
+/***********************************************************/
+/* network device redirectors */
+
+#if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
+static void hex_dump(FILE *f, const uint8_t *buf, int size)
+{
+ int len, i, j, c;
+
+ for(i=0;i<size;i+=16) {
+ len = size - i;
+ if (len > 16)
+ len = 16;
+ fprintf(f, "%08x ", i);
+ for(j=0;j<16;j++) {
+ if (j < len)
+ fprintf(f, " %02x", buf[i+j]);
+ else
+ fprintf(f, " ");
+ }
+ fprintf(f, " ");
+ for(j=0;j<len;j++) {
+ c = buf[i+j];
+ if (c < ' ' || c > '~')
+ c = '.';
+ fprintf(f, "%c", c);
+ }
+ fprintf(f, "\n");
+ }
+}
+#endif
+
+static int parse_macaddr(uint8_t *macaddr, const char *p)
+{
+ int i;
+ char *last_char;
+ long int offset;
+
+ errno = 0;
+ offset = strtol(p, &last_char, 0);
+ if (0 == errno && '\0' == *last_char &&
+ offset >= 0 && offset <= 0xFFFFFF) {
+ macaddr[3] = (offset & 0xFF0000) >> 16;
+ macaddr[4] = (offset & 0xFF00) >> 8;
+ macaddr[5] = offset & 0xFF;
+ return 0;
+ } else {
+ for(i = 0; i < 6; i++) {
+ macaddr[i] = strtol(p, (char **)&p, 16);
+ if (i == 5) {
+ if (*p != '\0')
+ return -1;
+ } else {
+ if (*p != ':' && *p != '-')
+ return -1;
+ p++;
+ }
+ }
+ return 0;
+ }
+
+ return -1;
+}
+
+static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
+{
+ const char *p, *p1;
+ int len;
+ p = *pp;
+ p1 = strchr(p, sep);
+ if (!p1)
+ return -1;
+ len = p1 - p;
+ p1++;
+ if (buf_size > 0) {
+ if (len > buf_size - 1)
+ len = buf_size - 1;
+ memcpy(buf, p, len);
+ buf[len] = '\0';
+ }
+ *pp = p1;
+ return 0;
+}
+
+int parse_host_src_port(struct sockaddr_in *haddr,
+ struct sockaddr_in *saddr,
+ const char *input_str)
+{
+ char *str = strdup(input_str);
+ char *host_str = str;
+ char *src_str;
+ const char *src_str2;
+ char *ptr;
+
+ /*
+ * Chop off any extra arguments at the end of the string which
+ * would start with a comma, then fill in the src port information
+ * if it was provided else use the "any address" and "any port".
+ */
+ if ((ptr = strchr(str,',')))
+ *ptr = '\0';
+
+ if ((src_str = strchr(input_str,'@'))) {
+ *src_str = '\0';
+ src_str++;
+ }
+
+ if (parse_host_port(haddr, host_str) < 0)
+ goto fail;
+
+ src_str2 = src_str;
+ if (!src_str || *src_str == '\0')
+ src_str2 = ":0";
+
+ if (parse_host_port(saddr, src_str2) < 0)
+ goto fail;
+
+ free(str);
+ return(0);
+
+fail:
+ free(str);
+ return -1;
+}
+
+int parse_host_port(struct sockaddr_in *saddr, const char *str)
+{
+ char buf[512];
+ struct hostent *he;
+ const char *p, *r;
+ int port;
+
+ p = str;
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ return -1;
+ saddr->sin_family = AF_INET;
+ if (buf[0] == '\0') {
+ saddr->sin_addr.s_addr = 0;
+ } else {
+ if (qemu_isdigit(buf[0])) {
+ if (!inet_aton(buf, &saddr->sin_addr))
+ return -1;
+ } else {
+ if ((he = gethostbyname(buf)) == NULL)
+ return - 1;
+ saddr->sin_addr = *(struct in_addr *)he->h_addr;
+ }
+ }
+ port = strtol(p, (char **)&r, 0);
+ if (r == p)
+ return -1;
+ saddr->sin_port = htons(port);
+ return 0;
+}
+
+#if !defined(_WIN32) && 0
+static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
+{
+ const char *p;
+ int len;
+
+ len = MIN(108, strlen(str));
+ p = strchr(str, ',');
+ if (p)
+ len = MIN(len, p - str);
+
+ memset(uaddr, 0, sizeof(*uaddr));
+
+ uaddr->sun_family = AF_UNIX;
+ memcpy(uaddr->sun_path, str, len);
+
+ return 0;
+}
+#endif
+
+void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6])
+{
+ snprintf(vc->info_str, sizeof(vc->info_str),
+ "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+ vc->model,
+ macaddr[0], macaddr[1], macaddr[2],
+ macaddr[3], macaddr[4], macaddr[5]);
+}
+
+static char *assign_name(VLANClientState *vc1, const char *model)
+{
+ VLANState *vlan;
+ char buf[256];
+ int id = 0;
+
+ for (vlan = first_vlan; vlan; vlan = vlan->next) {
+ VLANClientState *vc;
+
+ for (vc = vlan->first_client; vc; vc = vc->next)
+ if (vc != vc1 && strcmp(vc->model, model) == 0)
+ id++;
+ }
+
+ snprintf(buf, sizeof(buf), "%s.%d", model, id);
+
+ return strdup(buf);
+}
+
+VLANClientState *qemu_new_vlan_client(VLANState *vlan,
+ const char *model,
+ const char *name,
+ NetCanReceive *can_receive,
+ NetReceive *receive,
+ NetReceiveIOV *receive_iov,
+ NetCleanup *cleanup,
+ void *opaque)
+{
+ VLANClientState *vc, **pvc;
+ vc = qemu_mallocz(sizeof(VLANClientState));
+ vc->model = strdup(model);
+ if (name)
+ vc->name = strdup(name);
+ else
+ vc->name = assign_name(vc, model);
+ vc->can_receive = can_receive;
+ vc->receive = receive;
+ vc->receive_iov = receive_iov;
+ vc->cleanup = cleanup;
+ vc->opaque = opaque;
+ vc->vlan = vlan;
+
+ vc->next = NULL;
+ pvc = &vlan->first_client;
+ while (*pvc != NULL)
+ pvc = &(*pvc)->next;
+ *pvc = vc;
+ return vc;
+}
+
+void qemu_del_vlan_client(VLANClientState *vc)
+{
+ VLANClientState **pvc = &vc->vlan->first_client;
+
+ while (*pvc != NULL)
+ if (*pvc == vc) {
+ *pvc = vc->next;
+ if (vc->cleanup) {
+ vc->cleanup(vc);
+ }
+ free(vc->name);
+ free(vc->model);
+ qemu_free(vc);
+ break;
+ } else
+ pvc = &(*pvc)->next;
+}
+
+VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
+{
+ VLANClientState **pvc = &vlan->first_client;
+
+ while (*pvc != NULL)
+ if ((*pvc)->opaque == opaque)
+ return *pvc;
+ else
+ pvc = &(*pvc)->next;
+
+ return NULL;
+}
+
+int qemu_can_send_packet(VLANClientState *sender)
+{
+ VLANState *vlan = sender->vlan;
+ VLANClientState *vc;
+
+ for (vc = vlan->first_client; vc != NULL; vc = vc->next) {
+ if (vc == sender) {
+ continue;
+ }
+
+ /* no can_receive() handler, they can always receive */
+ if (!vc->can_receive || vc->can_receive(vc)) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int
+qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size)
+{
+ VLANClientState *vc;
+ int ret = -1;
+
+ sender->vlan->delivering = 1;
+
+ for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) {
+ ssize_t len;
+
+ if (vc == sender) {
+ continue;
+ }
+
+ if (vc->link_down) {
+ ret = size;
+ continue;
+ }
+
+ len = vc->receive(vc, buf, size);
+
+ ret = (ret >= 0) ? ret : len;
+ }
+
+ sender->vlan->delivering = 0;
+
+ return ret;
+}
+
+void qemu_flush_queued_packets(VLANClientState *vc)
+{
+ VLANPacket *packet;
+
+ while ((packet = vc->vlan->send_queue) != NULL) {
+ int ret;
+
+ vc->vlan->send_queue = packet->next;
+
+ ret = qemu_deliver_packet(packet->sender, packet->data, packet->size);
+ if (ret == 0 && packet->sent_cb != NULL) {
+ packet->next = vc->vlan->send_queue;
+ vc->vlan->send_queue = packet;
+ break;
+ }
+
+ if (packet->sent_cb)
+ packet->sent_cb(packet->sender);
+
+ qemu_free(packet);
+ }
+}
+
+static void qemu_enqueue_packet(VLANClientState *sender,
+ const uint8_t *buf, int size,
+ NetPacketSent *sent_cb)
+{
+ VLANPacket *packet;
+
+ packet = qemu_malloc(sizeof(VLANPacket) + size);
+ packet->next = sender->vlan->send_queue;
+ packet->sender = sender;
+ packet->size = size;
+ packet->sent_cb = sent_cb;
+ memcpy(packet->data, buf, size);
+ sender->vlan->send_queue = packet;
+}
+
+ssize_t qemu_send_packet_async(VLANClientState *sender,
+ const uint8_t *buf, int size,
+ NetPacketSent *sent_cb)
+{
+ int ret;
+
+ if (sender->link_down) {
+ return size;
+ }
+
+#ifdef DEBUG_NET
+ printf("vlan %d send:\n", sender->vlan->id);
+ hex_dump(stdout, buf, size);
+#endif
+
+ if (sender->vlan->delivering) {
+ qemu_enqueue_packet(sender, buf, size, NULL);
+ return size;
+ }
+
+ ret = qemu_deliver_packet(sender, buf, size);
+ if (ret == 0 && sent_cb != NULL) {
+ qemu_enqueue_packet(sender, buf, size, sent_cb);
+ return 0;
+ }
+
+ qemu_flush_queued_packets(sender);
+
+ return ret;
+}
+
+void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size)
+{
+ qemu_send_packet_async(vc, buf, size, NULL);
+}
+
+static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov,
+ int iovcnt)
+{
+ uint8_t buffer[4096];
+ size_t offset = 0;
+ int i;
+
+ for (i = 0; i < iovcnt; i++) {
+ size_t len;
+
+ len = MIN(sizeof(buffer) - offset, iov[i].iov_len);
+ memcpy(buffer + offset, iov[i].iov_base, len);
+ offset += len;
+ }
+
+ return vc->receive(vc, buffer, offset);
+}
+
+static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt)
+{
+ size_t offset = 0;
+ int i;
+
+ for (i = 0; i < iovcnt; i++)
+ offset += iov[i].iov_len;
+ return offset;
+}
+
+static int qemu_deliver_packet_iov(VLANClientState *sender,
+ const struct iovec *iov, int iovcnt)
+{
+ VLANClientState *vc;
+ int ret = -1;
+
+ sender->vlan->delivering = 1;
+
+ for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) {
+ ssize_t len;
+
+ if (vc == sender) {
+ continue;
+ }
+
+ if (vc->link_down) {
+ ret = calc_iov_length(iov, iovcnt);
+ continue;
+ }
+
+ if (vc->receive_iov) {
+ len = vc->receive_iov(vc, iov, iovcnt);
+ } else {
+ len = vc_sendv_compat(vc, iov, iovcnt);
+ }
+
+ ret = (ret >= 0) ? ret : len;
+ }
+
+ sender->vlan->delivering = 0;
+
+ return ret;
+}
+
+static ssize_t qemu_enqueue_packet_iov(VLANClientState *sender,
+ const struct iovec *iov, int iovcnt,
+ NetPacketSent *sent_cb)
+{
+ VLANPacket *packet;
+ size_t max_len = 0;
+ int i;
+
+ max_len = calc_iov_length(iov, iovcnt);
+
+ packet = qemu_malloc(sizeof(VLANPacket) + max_len);
+ packet->next = sender->vlan->send_queue;
+ packet->sender = sender;
+ packet->sent_cb = sent_cb;
+ packet->size = 0;
+
+ for (i = 0; i < iovcnt; i++) {
+ size_t len = iov[i].iov_len;
+
+ memcpy(packet->data + packet->size, iov[i].iov_base, len);
+ packet->size += len;
+ }
+
+ sender->vlan->send_queue = packet;
+
+ return packet->size;
+}
+
+ssize_t qemu_sendv_packet_async(VLANClientState *sender,
+ const struct iovec *iov, int iovcnt,
+ NetPacketSent *sent_cb)
+{
+ int ret;
+
+ if (sender->link_down) {
+ return calc_iov_length(iov, iovcnt);
+ }
+
+ if (sender->vlan->delivering) {
+ return qemu_enqueue_packet_iov(sender, iov, iovcnt, NULL);
+ }
+
+ ret = qemu_deliver_packet_iov(sender, iov, iovcnt);
+ if (ret == 0 && sent_cb != NULL) {
+ qemu_enqueue_packet_iov(sender, iov, iovcnt, sent_cb);
+ return 0;
+ }
+
+ qemu_flush_queued_packets(sender);
+
+ return ret;
+}
+
+ssize_t
+qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov, int iovcnt)
+{
+ return qemu_sendv_packet_async(vc, iov, iovcnt, NULL);
+}
+
+static void config_error(Monitor *mon, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (mon) {
+ monitor_vprintf(mon, fmt, ap);
+ } else {
+ fprintf(stderr, "qemu: ");
+ vfprintf(stderr, fmt, ap);
+ exit(1);
+ }
+ va_end(ap);
+}
+
+#if defined(CONFIG_SLIRP)
+
+/* slirp network adapter */
+
+struct slirp_config_str {
+ struct slirp_config_str *next;
+ const char *str;
+};
+
+static int slirp_inited;
+static struct slirp_config_str *slirp_redirs;
+#ifndef _WIN32
+static const char *slirp_smb_export;
+#endif
+static VLANClientState *slirp_vc;
+
+#ifndef _WIN32
+static void slirp_smb(const char *exported_dir);
+#endif
+static void slirp_redirection(Monitor *mon, const char *redir_str);
+
+int slirp_can_output(void)
+{
+ return !slirp_vc || qemu_can_send_packet(slirp_vc);
+}
+
+void slirp_output(const uint8_t *pkt, int pkt_len)
+{
+#ifdef DEBUG_SLIRP
+ printf("slirp output:\n");
+ hex_dump(stdout, pkt, pkt_len);
+#endif
+ if (!slirp_vc)
+ return;
+ qemu_send_packet(slirp_vc, pkt, pkt_len);
+}
+
+int slirp_is_inited(void)
+{
+ return slirp_inited;
+}
+
+static ssize_t slirp_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+{
+#ifdef DEBUG_SLIRP
+ printf("slirp input:\n");
+ hex_dump(stdout, buf, size);
+#endif
+ slirp_input(buf, size);
+ return size;
+}
+
+static int slirp_in_use;
+
+static void net_slirp_cleanup(VLANClientState *vc)
+{
+ slirp_in_use = 0;
+}
+
+static int net_slirp_init(VLANState *vlan, const char *model, const char *name,
+ int restricted, const char *ip)
+{
+ if (slirp_in_use) {
+ /* slirp only supports a single instance so far */
+ return -1;
+ }
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init(restricted, ip);
+
+ while (slirp_redirs) {
+ struct slirp_config_str *config = slirp_redirs;
+
+ slirp_redirection(NULL, config->str);
+ slirp_redirs = config->next;
+ qemu_free(config);
+ }
+#ifndef _WIN32
+ if (slirp_smb_export) {
+ slirp_smb(slirp_smb_export);
+ }
+#endif
+ }
+
+ slirp_vc = qemu_new_vlan_client(vlan, model, name, NULL, slirp_receive,
+ NULL, net_slirp_cleanup, NULL);
+ slirp_vc->info_str[0] = '\0';
+ slirp_in_use = 1;
+ return 0;
+}
+
+static void net_slirp_redir_print(void *opaque, int is_udp,
+ struct in_addr *laddr, u_int lport,
+ struct in_addr *faddr, u_int fport)
+{
+ Monitor *mon = (Monitor *)opaque;
+ uint32_t h_addr;
+ uint32_t g_addr;
+ char buf[16];
+
+ h_addr = ntohl(faddr->s_addr);
+ g_addr = ntohl(laddr->s_addr);
+
+ monitor_printf(mon, " %s |", is_udp ? "udp" : "tcp" );
+ snprintf(buf, 15, "%d.%d.%d.%d", (h_addr >> 24) & 0xff,
+ (h_addr >> 16) & 0xff,
+ (h_addr >> 8) & 0xff,
+ (h_addr) & 0xff);
+ monitor_printf(mon, " %15s |", buf);
+ monitor_printf(mon, " %5d |", fport);
+
+ snprintf(buf, 15, "%d.%d.%d.%d", (g_addr >> 24) & 0xff,
+ (g_addr >> 16) & 0xff,
+ (g_addr >> 8) & 0xff,
+ (g_addr) & 0xff);
+ monitor_printf(mon, " %15s |", buf);
+ monitor_printf(mon, " %5d\n", lport);
+
+}
+
+static void net_slirp_redir_list(Monitor *mon)
+{
+ if (!mon)
+ return;
+
+ monitor_printf(mon, " Prot | Host Addr | HPort | Guest Addr | GPort\n");
+ monitor_printf(mon, " | | | | \n");
+ slirp_redir_loop(net_slirp_redir_print, mon);
+}
+
+static void net_slirp_redir_rm(Monitor *mon, const char *port_str)
+{
+ int host_port;
+ char buf[256] = "";
+ const char *p = port_str;
+ int is_udp = 0;
+ int n;
+
+ if (!mon)
+ return;
+
+ if (!port_str || !port_str[0])
+ goto fail_syntax;
+
+ get_str_sep(buf, sizeof(buf), &p, ':');
+
+ if (!strcmp(buf, "tcp") || buf[0] == '\0') {
+ is_udp = 0;
+ } else if (!strcmp(buf, "udp")) {
+ is_udp = 1;
+ } else {
+ goto fail_syntax;
+ }
+
+ host_port = atoi(p);
+
+ n = slirp_redir_rm(is_udp, host_port);
+
+ monitor_printf(mon, "removed %d redirections to %s port %d\n", n,
+ is_udp ? "udp" : "tcp", host_port);
+ return;
+
+ fail_syntax:
+ monitor_printf(mon, "invalid format\n");
+}
+
+static void slirp_redirection(Monitor *mon, const char *redir_str)
+{
+ struct in_addr guest_addr;
+ int host_port, guest_port;
+ const char *p;
+ char buf[256], *r;
+ int is_udp;
+
+ p = redir_str;
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
+ goto fail_syntax;
+ }
+ if (!strcmp(buf, "tcp") || buf[0] == '\0') {
+ is_udp = 0;
+ } else if (!strcmp(buf, "udp")) {
+ is_udp = 1;
+ } else {
+ goto fail_syntax;
+ }
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
+ goto fail_syntax;
+ }
+ host_port = strtol(buf, &r, 0);
+ if (r == buf) {
+ goto fail_syntax;
+ }
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
+ goto fail_syntax;
+ }
+ if (buf[0] == '\0') {
+ pstrcpy(buf, sizeof(buf), "10.0.2.15");
+ }
+ if (!inet_aton(buf, &guest_addr)) {
+ goto fail_syntax;
+ }
+
+ guest_port = strtol(p, &r, 0);
+ if (r == p) {
+ goto fail_syntax;
+ }
+
+ if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
+ config_error(mon, "could not set up redirection '%s'\n", redir_str);
+ }
+ return;
+
+ fail_syntax:
+ config_error(mon, "invalid redirection format '%s'\n", redir_str);
+}
+
+void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2)
+{
+ struct slirp_config_str *config;
+
+ if (!slirp_inited) {
+ if (mon) {
+ monitor_printf(mon, "user mode network stack not in use\n");
+ } else {
+ config = qemu_malloc(sizeof(*config));
+ config->str = redir_str;
+ config->next = slirp_redirs;
+ slirp_redirs = config;
+ }
+ return;
+ }
+
+ if (!strcmp(redir_str, "remove")) {
+ net_slirp_redir_rm(mon, redir_opt2);
+ return;
+ }
+
+ if (!strcmp(redir_str, "list")) {
+ net_slirp_redir_list(mon);
+ return;
+ }
+
+ slirp_redirection(mon, redir_str);
+}
+
+#ifndef _WIN32
+
+static char smb_dir[1024];
+
+static void erase_dir(char *dir_name)
+{
+ DIR *d;
+ struct dirent *de;
+ char filename[1024];
+
+ /* erase all the files in the directory */
+ if ((d = opendir(dir_name)) != NULL) {
+ for(;;) {
+ de = readdir(d);
+ if (!de)
+ break;
+ if (strcmp(de->d_name, ".") != 0 &&
+ strcmp(de->d_name, "..") != 0) {
+ snprintf(filename, sizeof(filename), "%s/%s",
+ smb_dir, de->d_name);
+ if (unlink(filename) != 0) /* is it a directory? */
+ erase_dir(filename);
+ }
+ }
+ closedir(d);
+ rmdir(dir_name);
+ }
+}
+
+/* automatic user mode samba server configuration */
+static void smb_exit(void)
+{
+ erase_dir(smb_dir);
+}
+
+static void slirp_smb(const char *exported_dir)
+{
+ char smb_conf[1024];
+ char smb_cmdline[1024];
+ FILE *f;
+
+ /* XXX: better tmp dir construction */
+ snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%ld", (long)getpid());
+ if (mkdir(smb_dir, 0700) < 0) {
+ fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
+ exit(1);
+ }
+ snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
+
+ f = fopen(smb_conf, "w");
+ if (!f) {
+ fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
+ exit(1);
+ }
+ fprintf(f,
+ "[global]\n"
+ "private dir=%s\n"
+ "smb ports=0\n"
+ "socket address=127.0.0.1\n"
+ "pid directory=%s\n"
+ "lock directory=%s\n"
+ "log file=%s/log.smbd\n"
+ "smb passwd file=%s/smbpasswd\n"
+ "security = share\n"
+ "[qemu]\n"
+ "path=%s\n"
+ "read only=no\n"
+ "guest ok=yes\n",
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ exported_dir
+ );
+ fclose(f);
+ atexit(smb_exit);
+
+ snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
+ SMBD_COMMAND, smb_conf);
+
+ slirp_add_exec(0, smb_cmdline, 4, 139);
+}
+
+/* automatic user mode samba server configuration */
+void net_slirp_smb(const char *exported_dir)
+{
+ if (slirp_smb_export) {
+ fprintf(stderr, "-smb given twice\n");
+ exit(1);
+ }
+ slirp_smb_export = exported_dir;
+ if (slirp_inited) {
+ slirp_smb(exported_dir);
+ }
+}
+
+#endif /* !defined(_WIN32) */
+
+void do_info_slirp(Monitor *mon)
+{
+ slirp_stats();
+}
+
+struct VMChannel {
+ CharDriverState *hd;
+ int port;
+};
+
+static int vmchannel_can_read(void *opaque)
+{
+ struct VMChannel *vmc = (struct VMChannel*)opaque;
+ return slirp_socket_can_recv(4, vmc->port);
+}
+
+static void vmchannel_read(void *opaque, const uint8_t *buf, int size)
+{
+ struct VMChannel *vmc = (struct VMChannel*)opaque;
+ slirp_socket_recv(4, vmc->port, buf, size);
+}
+
+#endif /* CONFIG_SLIRP */
+
+#if !defined(_WIN32)
+
+typedef struct TAPState {
+ VLANClientState *vc;
+ int fd;
+ char down_script[1024];
+ char down_script_arg[128];
+ uint8_t buf[4096];
+} TAPState;
+
+static int launch_script(const char *setup_script, const char *ifname, int fd);
+
+static ssize_t tap_receive_iov(VLANClientState *vc, const struct iovec *iov,
+ int iovcnt)
+{
+ TAPState *s = vc->opaque;
+ ssize_t len;
+
+ do {
+ len = writev(s->fd, iov, iovcnt);
+ } while (len == -1 && (errno == EINTR || errno == EAGAIN));
+
+ return len;
+}
+
+static ssize_t tap_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+{
+ TAPState *s = vc->opaque;
+ ssize_t len;
+
+ do {
+ len = write(s->fd, buf, size);
+ } while (len == -1 && (errno == EINTR || errno == EAGAIN));
+
+ return len;
+}
+
+static int tap_can_send(void *opaque)
+{
+ TAPState *s = opaque;
+
+ return qemu_can_send_packet(s->vc);
+}
+
+#ifdef __sun__
+static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
+{
+ struct strbuf sbuf;
+ int f = 0;
+
+ sbuf.maxlen = maxlen;
+ sbuf.buf = (char *)buf;
+
+ return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1;
+}
+#else
+static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
+{
+ return read(tapfd, buf, maxlen);
+}
+#endif
+
+static void tap_send(void *opaque);
+
+static void tap_send_completed(VLANClientState *vc)
+{
+ TAPState *s = vc->opaque;
+
+ qemu_set_fd_handler2(s->fd, tap_can_send, tap_send, NULL, s);
+}
+
+static void tap_send(void *opaque)
+{
+ TAPState *s = opaque;
+ int size;
+
+ do {
+ size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
+ if (size <= 0) {
+ break;
+ }
+
+ size = qemu_send_packet_async(s->vc, s->buf, size, tap_send_completed);
+ if (size == 0) {
+ qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
+ }
+ } while (size > 0);
+}
+
+static void tap_cleanup(VLANClientState *vc)
+{
+ TAPState *s = vc->opaque;
+
+ if (s->down_script[0])
+ launch_script(s->down_script, s->down_script_arg, s->fd);
+
+ qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
+ close(s->fd);
+ qemu_free(s);
+}
+
+/* fd support */
+
+static TAPState *net_tap_fd_init(VLANState *vlan,
+ const char *model,
+ const char *name,
+ int fd)
+{
+ TAPState *s;
+
+ s = qemu_mallocz(sizeof(TAPState));
+ s->fd = fd;
+ s->vc = qemu_new_vlan_client(vlan, model, name, NULL, tap_receive,
+ tap_receive_iov, tap_cleanup, s);
+ qemu_set_fd_handler2(s->fd, tap_can_send, tap_send, NULL, s);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd);
+ return s;
+}
+
+#if defined (CONFIG_BSD) || defined (__FreeBSD_kernel__)
+static int tap_open(char *ifname, int ifname_size)
+{
+ int fd;
+ char *dev;
+ struct stat s;
+
+ TFR(fd = open("/dev/tap", O_RDWR));
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
+ return -1;
+ }
+
+ fstat(fd, &s);
+ dev = devname(s.st_rdev, S_IFCHR);
+ pstrcpy(ifname, ifname_size, dev);
+
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#elif defined(__sun__)
+#define TUNNEWPPA (('T'<<16) | 0x0001)
+/*
+ * Allocate TAP device, returns opened fd.
+ * Stores dev name in the first arg(must be large enough).
+ */
+static int tap_alloc(char *dev, size_t dev_size)
+{
+ int tap_fd, if_fd, ppa = -1;
+ static int ip_fd = 0;
+ char *ptr;
+
+ static int arp_fd = 0;
+ int ip_muxid, arp_muxid;
+ struct strioctl strioc_if, strioc_ppa;
+ int link_type = I_PLINK;;
+ struct lifreq ifr;
+ char actual_name[32] = "";
+
+ memset(&ifr, 0x0, sizeof(ifr));
+
+ if( *dev ){
+ ptr = dev;
+ while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++;
+ ppa = atoi(ptr);
+ }
+
+ /* Check if IP device was opened */
+ if( ip_fd )
+ close(ip_fd);
+
+ TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
+ if (ip_fd < 0) {
+ syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
+ return -1;
+ }
+
+ TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
+ if (tap_fd < 0) {
+ syslog(LOG_ERR, "Can't open /dev/tap");
+ return -1;
+ }
+
+ /* Assign a new PPA and get its unit number. */
+ strioc_ppa.ic_cmd = TUNNEWPPA;
+ strioc_ppa.ic_timout = 0;
+ strioc_ppa.ic_len = sizeof(ppa);
+ strioc_ppa.ic_dp = (char *)&ppa;
+ if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
+ syslog (LOG_ERR, "Can't assign new interface");
+
+ TFR(if_fd = open("/dev/tap", O_RDWR, 0));
+ if (if_fd < 0) {
+ syslog(LOG_ERR, "Can't open /dev/tap (2)");
+ return -1;
+ }
+ if(ioctl(if_fd, I_PUSH, "ip") < 0){
+ syslog(LOG_ERR, "Can't push IP module");
+ return -1;
+ }
+
+ if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
+ syslog(LOG_ERR, "Can't get flags\n");
+
+ snprintf (actual_name, 32, "tap%d", ppa);
+ pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
+
+ ifr.lifr_ppa = ppa;
+ /* Assign ppa according to the unit number returned by tun device */
+
+ if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
+ syslog (LOG_ERR, "Can't set PPA %d", ppa);
+ if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
+ syslog (LOG_ERR, "Can't get flags\n");
+ /* Push arp module to if_fd */
+ if (ioctl (if_fd, I_PUSH, "arp") < 0)
+ syslog (LOG_ERR, "Can't push ARP module (2)");
+
+ /* Push arp module to ip_fd */
+ if (ioctl (ip_fd, I_POP, NULL) < 0)
+ syslog (LOG_ERR, "I_POP failed\n");
+ if (ioctl (ip_fd, I_PUSH, "arp") < 0)
+ syslog (LOG_ERR, "Can't push ARP module (3)\n");
+ /* Open arp_fd */
+ TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
+ if (arp_fd < 0)
+ syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
+
+ /* Set ifname to arp */
+ strioc_if.ic_cmd = SIOCSLIFNAME;
+ strioc_if.ic_timout = 0;
+ strioc_if.ic_len = sizeof(ifr);
+ strioc_if.ic_dp = (char *)𝔦
+ if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
+ syslog (LOG_ERR, "Can't set ifname to arp\n");
+ }
+
+ if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
+ syslog(LOG_ERR, "Can't link TAP device to IP");
+ return -1;
+ }
+
+ if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
+ syslog (LOG_ERR, "Can't link TAP device to ARP");
+
+ close (if_fd);
+
+ memset(&ifr, 0x0, sizeof(ifr));
+ pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
+ ifr.lifr_ip_muxid = ip_muxid;
+ ifr.lifr_arp_muxid = arp_muxid;
+
+ if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
+ {
+ ioctl (ip_fd, I_PUNLINK , arp_muxid);
+ ioctl (ip_fd, I_PUNLINK, ip_muxid);
+ syslog (LOG_ERR, "Can't set multiplexor id");
+ }
+
+ snprintf(dev, dev_size, "tap%d", ppa);
+ return tap_fd;
+}
+
+static int tap_open(char *ifname, int ifname_size)
+{
+ char dev[10]="";
+ int fd;
+ if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){
+ fprintf(stderr, "Cannot allocate TAP device\n");
+ return -1;
+ }
+ pstrcpy(ifname, ifname_size, dev);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#elif defined (_AIX)
+static int tap_open(char *ifname, int ifname_size)
+{
+ fprintf (stderr, "no tap on AIX\n");
+ return -1;
+}
+#else
+static int tap_open(char *ifname, int ifname_size)
+{
+ struct ifreq ifr;
+ int fd, ret;
+
+ TFR(fd = open("/dev/net/tun", O_RDWR));
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
+ return -1;
+ }
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+ if (ifname[0] != '\0')
+ pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
+ else
+ pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
+ ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
+ if (ret != 0) {
+ fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
+ close(fd);
+ return -1;
+ }
+ pstrcpy(ifname, ifname_size, ifr.ifr_name);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#endif
+
+static int launch_script(const char *setup_script, const char *ifname, int fd)
+{
+ sigset_t oldmask, mask;
+ int pid, status;
+ char *args[3];
+ char **parg;
+
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGCHLD);
+ sigprocmask(SIG_BLOCK, &mask, &oldmask);
+
+ /* try to launch network script */
+ pid = fork();
+ if (pid == 0) {
+ int open_max = sysconf(_SC_OPEN_MAX), i;
+
+ for (i = 0; i < open_max; i++) {
+ if (i != STDIN_FILENO &&
+ i != STDOUT_FILENO &&
+ i != STDERR_FILENO &&
+ i != fd) {
+ close(i);
+ }
+ }
+ parg = args;
+ *parg++ = (char *)setup_script;
+ *parg++ = (char *)ifname;
+ *parg++ = NULL;
+ execv(setup_script, args);
+ exit(1);
+ } else if (pid > 0) {
+ while (waitpid(pid, &status, 0) != pid) {
+ /* loop */
+ }
+ sigprocmask(SIG_SETMASK, &oldmask, NULL);
+
+ if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
+ return 0;
+ }
+ }
+ fprintf(stderr, "%s: could not launch network script\n", setup_script);
+ return -1;
+}
+
+static int net_tap_init(VLANState *vlan, const char *model,
+ const char *name, const char *ifname1,
+ const char *setup_script, const char *down_script)
+{
+ TAPState *s;
+ int fd;
+ char ifname[128];
+
+ if (ifname1 != NULL)
+ pstrcpy(ifname, sizeof(ifname), ifname1);
+ else
+ ifname[0] = '\0';
+ TFR(fd = tap_open(ifname, sizeof(ifname)));
+ if (fd < 0)
+ return -1;
+
+ if (!setup_script || !strcmp(setup_script, "no"))
+ setup_script = "";
+ if (setup_script[0] != '\0') {
+ if (launch_script(setup_script, ifname, fd))
+ return -1;
+ }
+ s = net_tap_fd_init(vlan, model, name, fd);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "ifname=%s,script=%s,downscript=%s",
+ ifname, setup_script, down_script);
+ if (down_script && strcmp(down_script, "no")) {
+ snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
+ snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname);
+ }
+ return 0;
+}
+
+#endif /* !_WIN32 */
+
+#if defined(CONFIG_VDE)
+typedef struct VDEState {
+ VLANClientState *vc;
+ VDECONN *vde;
+} VDEState;
+
+static void vde_to_qemu(void *opaque)
+{
+ VDEState *s = opaque;
+ uint8_t buf[4096];
+ int size;
+
+ size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0);
+ if (size > 0) {
+ qemu_send_packet(s->vc, buf, size);
+ }
+}
+
+static ssize_t vde_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+{
+ VDEState *s = vc->opaque;
+ ssize_t ret;
+
+ do {
+ ret = vde_send(s->vde, (const char *)buf, size, 0);
+ } while (ret < 0 && errno == EINTR);
+
+ return ret;
+}
+
+static void vde_cleanup(VLANClientState *vc)
+{
+ VDEState *s = vc->opaque;
+ qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL);
+ vde_close(s->vde);
+ qemu_free(s);
+}
+
+static int net_vde_init(VLANState *vlan, const char *model,
+ const char *name, const char *sock,
+ int port, const char *group, int mode)
+{
+ VDEState *s;
+ char *init_group = strlen(group) ? (char *)group : NULL;
+ char *init_sock = strlen(sock) ? (char *)sock : NULL;
+
+ struct vde_open_args args = {
+ .port = port,
+ .group = init_group,
+ .mode = mode,
+ };
+
+ s = qemu_mallocz(sizeof(VDEState));
+ s->vde = vde_open(init_sock, (char *)"QEMU", &args);
+ if (!s->vde){
+ free(s);
+ return -1;
+ }
+ s->vc = qemu_new_vlan_client(vlan, model, name, NULL, vde_receive,
+ NULL, vde_cleanup, s);
+ qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d",
+ sock, vde_datafd(s->vde));
+ return 0;
+}
+#endif
+
+/* network connection */
+typedef struct NetSocketState {
+ VLANClientState *vc;
+ 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 *vc, const uint8_t *buf, size_t size)
+{
+ NetSocketState *s = vc->opaque;
+ 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 *vc, const uint8_t *buf, size_t size)
+{
+ NetSocketState *s = vc->opaque;
+
+ 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->vc, 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->vc, 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 = 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 *vc)
+{
+ NetSocketState *s = vc->opaque;
+ qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
+ close(s->fd);
+ qemu_free(s);
+}
+
+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;
+ 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;
+ }
+ }
+
+ s = qemu_mallocz(sizeof(NetSocketState));
+ s->fd = fd;
+
+ s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive_dgram,
+ NULL, net_socket_cleanup, s);
+ 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;
+
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: fd=%d (%s mcast=%s:%d)",
+ fd, is_connected? "cloned" : "",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ return s;
+}
+
+static void net_socket_connect(void *opaque)
+{
+ NetSocketState *s = opaque;
+ qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
+}
+
+static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
+ const char *model,
+ const char *name,
+ int fd, int is_connected)
+{
+ NetSocketState *s;
+ s = qemu_mallocz(sizeof(NetSocketState));
+ s->fd = fd;
+ s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive,
+ NULL, net_socket_cleanup, s);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "socket: fd=%d", 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 = 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->vc->info_str, sizeof(s1->vc->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 = 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 = strdup(model);
+ s->name = name ? 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 = 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->vc->info_str, sizeof(s->vc->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->vc->info_str, sizeof(s->vc->info_str),
+ "socket: mcast=%s:%d",
+ inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+ return 0;
+
+}
+
+typedef struct DumpState {
+ VLANClientState *pcap_vc;
+ int fd;
+ int pcap_caplen;
+} DumpState;
+
+#define PCAP_MAGIC 0xa1b2c3d4
+
+struct pcap_file_hdr {
+ uint32_t magic;
+ uint16_t version_major;
+ uint16_t version_minor;
+ int32_t thiszone;
+ uint32_t sigfigs;
+ uint32_t snaplen;
+ uint32_t linktype;
+};
+
+struct pcap_sf_pkthdr {
+ struct {
+ int32_t tv_sec;
+ int32_t tv_usec;
+ } ts;
+ uint32_t caplen;
+ uint32_t len;
+};
+
+static ssize_t dump_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+{
+ DumpState *s = vc->opaque;
+ struct pcap_sf_pkthdr hdr;
+ int64_t ts;
+ int caplen;
+
+ /* Early return in case of previous error. */
+ if (s->fd < 0) {
+ return size;
+ }
+
+ ts = muldiv64(qemu_get_clock(vm_clock), 1000000, get_ticks_per_sec());
+ caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
+
+ hdr.ts.tv_sec = ts / 1000000;
+ hdr.ts.tv_usec = ts % 1000000;
+ hdr.caplen = caplen;
+ hdr.len = size;
+ if (write(s->fd, &hdr, sizeof(hdr)) != sizeof(hdr) ||
+ write(s->fd, buf, caplen) != caplen) {
+ qemu_log("-net dump write error - stop dump\n");
+ close(s->fd);
+ s->fd = -1;
+ }
+
+ return size;
+}
+
+static void net_dump_cleanup(VLANClientState *vc)
+{
+ DumpState *s = vc->opaque;
+
+ close(s->fd);
+ qemu_free(s);
+}
+
+static int net_dump_init(Monitor *mon, VLANState *vlan, const char *device,
+ const char *name, const char *filename, int len)
+{
+ struct pcap_file_hdr hdr;
+ DumpState *s;
+
+ s = qemu_malloc(sizeof(DumpState));
+
+ s->fd = open(filename, O_CREAT | O_WRONLY, 0644);
+ if (s->fd < 0) {
+ config_error(mon, "-net dump: can't open %s\n", filename);
+ return -1;
+ }
+
+ s->pcap_caplen = len;
+
+ hdr.magic = PCAP_MAGIC;
+ hdr.version_major = 2;
+ hdr.version_minor = 4;
+ hdr.thiszone = 0;
+ hdr.sigfigs = 0;
+ hdr.snaplen = s->pcap_caplen;
+ hdr.linktype = 1;
+
+ if (write(s->fd, &hdr, sizeof(hdr)) < sizeof(hdr)) {
+ config_error(mon, "-net dump write error: %s\n", strerror(errno));
+ close(s->fd);
+ qemu_free(s);
+ return -1;
+ }
+
+ s->pcap_vc = qemu_new_vlan_client(vlan, device, name, NULL, dump_receive, NULL,
+ net_dump_cleanup, s);
+ snprintf(s->pcap_vc->info_str, sizeof(s->pcap_vc->info_str),
+ "dump to %s (len=%d)", filename, len);
+ return 0;
+}
+
+/* find or alloc a new VLAN */
+VLANState *qemu_find_vlan(int id)
+{
+ VLANState **pvlan, *vlan;
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ if (vlan->id == id)
+ return vlan;
+ }
+ vlan = qemu_mallocz(sizeof(VLANState));
+ vlan->id = id;
+ vlan->next = NULL;
+ pvlan = &first_vlan;
+ while (*pvlan != NULL)
+ pvlan = &(*pvlan)->next;
+ *pvlan = vlan;
+ return vlan;
+}
+
+static int nic_get_free_idx(void)
+{
+ int index;
+
+ for (index = 0; index < MAX_NICS; index++)
+ if (!nd_table[index].used)
+ return index;
+ return -1;
+}
+
+void qemu_check_nic_model(NICInfo *nd, const char *model)
+{
+ const char *models[2];
+
+ models[0] = model;
+ models[1] = NULL;
+
+ qemu_check_nic_model_list(nd, models, model);
+}
+
+void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
+ const char *default_model)
+{
+ int i, exit_status = 0;
+
+ if (!nd->model)
+ nd->model = strdup(default_model);
+
+ if (strcmp(nd->model, "?") != 0) {
+ for (i = 0 ; models[i]; i++)
+ if (strcmp(nd->model, models[i]) == 0)
+ return;
+
+ fprintf(stderr, "qemu: Unsupported NIC model: %s\n", nd->model);
+ exit_status = 1;
+ }
+
+ fprintf(stderr, "qemu: Supported NIC models: ");
+ for (i = 0 ; models[i]; i++)
+ fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n');
+
+ exit(exit_status);
+}
+
+int net_client_init(Monitor *mon, const char *device, const char *p)
+{
+ static const char * const fd_params[] = {
+ "vlan", "name", "fd", NULL
+ };
+ char buf[1024];
+ int vlan_id, ret;
+ VLANState *vlan;
+ char *name = NULL;
+
+ vlan_id = 0;
+ if (get_param_value(buf, sizeof(buf), "vlan", p)) {
+ vlan_id = strtol(buf, NULL, 0);
+ }
+ vlan = qemu_find_vlan(vlan_id);
+
+ if (get_param_value(buf, sizeof(buf), "name", p)) {
+ name = qemu_strdup(buf);
+ }
+ if (!strcmp(device, "nic")) {
+ static const char * const nic_params[] = {
+ "vlan", "name", "macaddr", "model", NULL
+ };
+ NICInfo *nd;
+ uint8_t *macaddr;
+ int idx = nic_get_free_idx();
+
+ if (check_params(buf, sizeof(buf), nic_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
+ ret = -1;
+ goto out;
+ }
+ if (idx == -1 || nb_nics >= MAX_NICS) {
+ config_error(mon, "Too Many NICs\n");
+ ret = -1;
+ goto out;
+ }
+ nd = &nd_table[idx];
+ macaddr = nd->macaddr;
+ macaddr[0] = 0x52;
+ macaddr[1] = 0x54;
+ macaddr[2] = 0x00;
+ macaddr[3] = 0x12;
+ macaddr[4] = 0x34;
+ macaddr[5] = 0x56 + idx;
+
+ if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
+ if (parse_macaddr(macaddr, buf) < 0) {
+ config_error(mon, "invalid syntax for ethernet address\n");
+ ret = -1;
+ goto out;
+ }
+ }
+ if (get_param_value(buf, sizeof(buf), "model", p)) {
+ nd->model = strdup(buf);
+ }
+ nd->vlan = vlan;
+ nd->name = name;
+ nd->used = 1;
+ name = NULL;
+ nb_nics++;
+ vlan->nb_guest_devs++;
+ ret = idx;
+ } else
+ if (!strcmp(device, "none")) {
+ if (*p != '\0') {
+ config_error(mon, "'none' takes no parameters\n");
+ ret = -1;
+ goto out;
+ }
+ /* does nothing. It is needed to signal that no network cards
+ are wanted */
+ ret = 0;
+ } else
+#ifdef CONFIG_SLIRP
+ if (!strcmp(device, "user")) {
+ static const char * const slirp_params[] = {
+ "vlan", "name", "hostname", "restrict", "ip", NULL
+ };
+ int restricted = 0;
+ char *ip = NULL;
+
+ if (check_params(buf, sizeof(buf), slirp_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
+ ret = -1;
+ goto out;
+ }
+ if (get_param_value(buf, sizeof(buf), "hostname", p)) {
+ pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
+ }
+ if (get_param_value(buf, sizeof(buf), "restrict", p)) {
+ restricted = (buf[0] == 'y') ? 1 : 0;
+ }
+ if (get_param_value(buf, sizeof(buf), "ip", p)) {
+ ip = qemu_strdup(buf);
+ }
+ vlan->nb_host_devs++;
+ ret = net_slirp_init(vlan, device, name, restricted, ip);
+ qemu_free(ip);
+ } else if (!strcmp(device, "channel")) {
+ long port;
+ char name[20], *devname;
+ struct VMChannel *vmc;
+
+ port = strtol(p, &devname, 10);
+ devname++;
+ if (port < 1 || port > 65535) {
+ config_error(mon, "vmchannel wrong port number\n");
+ ret = -1;
+ goto out;
+ }
+ vmc = malloc(sizeof(struct VMChannel));
+ snprintf(name, 20, "vmchannel%ld", port);
+ vmc->hd = qemu_chr_open(name, devname, NULL);
+ if (!vmc->hd) {
+ config_error(mon, "could not open vmchannel device '%s'\n",
+ devname);
+ ret = -1;
+ goto out;
+ }
+ vmc->port = port;
+ slirp_add_exec(3, vmc->hd, 4, port);
+ qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read,
+ NULL, vmc);
+ ret = 0;
+ } else
+#endif
+#ifdef _WIN32
+ if (!strcmp(device, "tap")) {
+ static const char * const tap_params[] = {
+ "vlan", "name", "ifname", NULL
+ };
+ char ifname[64];
+
+ if (check_params(buf, sizeof(buf), tap_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
+ ret = -1;
+ goto out;
+ }
+ if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
+ config_error(mon, "tap: no interface name\n");
+ ret = -1;
+ goto out;
+ }
+ vlan->nb_host_devs++;
+ ret = tap_win32_init(vlan, device, name, ifname);
+ } else
+#elif defined (_AIX)
+#else
+ if (!strcmp(device, "tap")) {
+ char ifname[64], chkbuf[64];
+ char setup_script[1024], down_script[1024];
+ int fd;
+ vlan->nb_host_devs++;
+ if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
+ if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ fd = strtol(buf, NULL, 0);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ net_tap_fd_init(vlan, device, name, fd);
+ ret = 0;
+ } else {
+ static const char * const tap_params[] = {
+ "vlan", "name", "ifname", "script", "downscript", NULL
+ };
+ if (check_params(chkbuf, sizeof(chkbuf), tap_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
+ ifname[0] = '\0';
+ }
+ if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
+ pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
+ }
+ if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
+ pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
+ }
+ ret = net_tap_init(vlan, device, name, ifname, setup_script, down_script);
+ }
+ } else
+#endif
+ if (!strcmp(device, "socket")) {
+ char chkbuf[64];
+ if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
+ int fd;
+ if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ fd = strtol(buf, NULL, 0);
+ ret = -1;
+ if (net_socket_fd_init(vlan, device, name, fd, 1))
+ ret = 0;
+ } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
+ static const char * const listen_params[] = {
+ "vlan", "name", "listen", NULL
+ };
+ if (check_params(chkbuf, sizeof(chkbuf), listen_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ ret = net_socket_listen_init(vlan, device, name, buf);
+ } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
+ static const char * const connect_params[] = {
+ "vlan", "name", "connect", NULL
+ };
+ if (check_params(chkbuf, sizeof(chkbuf), connect_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ ret = net_socket_connect_init(vlan, device, name, buf);
+ } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
+ static const char * const mcast_params[] = {
+ "vlan", "name", "mcast", NULL
+ };
+ if (check_params(chkbuf, sizeof(chkbuf), mcast_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
+ ret = -1;
+ goto out;
+ }
+ ret = net_socket_mcast_init(vlan, device, name, buf);
+ } else {
+ config_error(mon, "Unknown socket options: %s\n", p);
+ ret = -1;
+ goto out;
+ }
+ vlan->nb_host_devs++;
+ } else
+#ifdef CONFIG_VDE
+ if (!strcmp(device, "vde")) {
+ static const char * const vde_params[] = {
+ "vlan", "name", "sock", "port", "group", "mode", NULL
+ };
+ char vde_sock[1024], vde_group[512];
+ int vde_port, vde_mode;
+
+ if (check_params(buf, sizeof(buf), vde_params, p) < 0) {
+ config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
+ ret = -1;
+ goto out;
+ }
+ vlan->nb_host_devs++;
+ if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) {
+ vde_sock[0] = '\0';
+ }
+ if (get_param_value(buf, sizeof(buf), "port", p) > 0) {
+ vde_port = strtol(buf, NULL, 10);
+ } else {
+ vde_port = 0;
+ }
+ if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) {
+ vde_group[0] = '\0';
+ }
+ if (get_param_value(buf, sizeof(buf), "mode", p) > 0) {
+ vde_mode = strtol(buf, NULL, 8);
+ } else {
+ vde_mode = 0700;
+ }
+ ret = net_vde_init(vlan, device, name, vde_sock, vde_port, vde_group, vde_mode);
+ } else
+#endif
+ if (!strcmp(device, "dump")) {
+ int len = 65536;
+
+ if (get_param_value(buf, sizeof(buf), "len", p) > 0) {
+ len = strtol(buf, NULL, 0);
+ }
+ if (!get_param_value(buf, sizeof(buf), "file", p)) {
+ snprintf(buf, sizeof(buf), "qemu-vlan%d.pcap", vlan_id);
+ }
+ ret = net_dump_init(mon, vlan, device, name, buf, len);
+ } else {
+ config_error(mon, "Unknown network device: %s\n", device);
+ ret = -1;
+ goto out;
+ }
+ if (ret < 0) {
+ config_error(mon, "Could not initialize device '%s'\n", device);
+ }
+out:
+ qemu_free(name);
+ return ret;
+}
+
+void net_client_uninit(NICInfo *nd)
+{
+ nd->vlan->nb_guest_devs--;
+ nb_nics--;
+ nd->used = 0;
+ free((void *)nd->model);
+}
+
+static int net_host_check_device(const char *device)
+{
+ int i;
+ const char *valid_param_list[] = { "tap", "socket", "dump"
+#ifdef CONFIG_SLIRP
+ ,"user"
+#endif
+#ifdef CONFIG_VDE
+ ,"vde"
+#endif
+ };
+ for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) {
+ if (!strncmp(valid_param_list[i], device,
+ strlen(valid_param_list[i])))
+ return 1;
+ }
+
+ return 0;
+}
+
+void net_host_device_add(Monitor *mon, const char *device, const char *opts)
+{
+ if (!net_host_check_device(device)) {
+ monitor_printf(mon, "invalid host network device %s\n", device);
+ return;
+ }
+ if (net_client_init(mon, device, opts ? opts : "") < 0) {
+ monitor_printf(mon, "adding host network device %s failed\n", device);
+ }
+}
+
+void net_host_device_remove(Monitor *mon, int vlan_id, const char *device)
+{
+ VLANState *vlan;
+ VLANClientState *vc;
+
+ vlan = qemu_find_vlan(vlan_id);
+
+ for (vc = vlan->first_client; vc != NULL; vc = vc->next) {
+ if (!strcmp(vc->name, device)) {
+ break;
+ }
+ }
+
+ if (!vc) {
+ monitor_printf(mon, "can't find device %s\n", device);
+ return;
+ }
+ if (!net_host_check_device(vc->model)) {
+ monitor_printf(mon, "invalid host network device %s\n", device);
+ return;
+ }
+ qemu_del_vlan_client(vc);
+}
+
+int net_client_parse(const char *str)
+{
+ const char *p;
+ char *q;
+ char device[64];
+
+ p = str;
+ q = device;
+ while (*p != '\0' && *p != ',') {
+ if ((q - device) < sizeof(device) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ if (*p == ',')
+ p++;
+
+ return net_client_init(NULL, device, p);
+}
+
+void do_info_network(Monitor *mon)
+{
+ VLANState *vlan;
+ VLANClientState *vc;
+
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ monitor_printf(mon, "VLAN %d devices:\n", vlan->id);
+ for(vc = vlan->first_client; vc != NULL; vc = vc->next)
+ monitor_printf(mon, " %s: %s\n", vc->name, vc->info_str);
+ }
+}
+
+int do_set_link(Monitor *mon, const char *name, const char *up_or_down)
+{
+ VLANState *vlan;
+ VLANClientState *vc = NULL;
+
+ for (vlan = first_vlan; vlan != NULL; vlan = vlan->next)
+ for (vc = vlan->first_client; vc != NULL; vc = vc->next)
+ if (strcmp(vc->name, name) == 0)
+ goto done;
+done:
+
+ if (!vc) {
+ monitor_printf(mon, "could not find network device '%s'", name);
+ return 0;
+ }
+
+ if (strcmp(up_or_down, "up") == 0)
+ vc->link_down = 0;
+ else if (strcmp(up_or_down, "down") == 0)
+ vc->link_down = 1;
+ else
+ monitor_printf(mon, "invalid link status '%s'; only 'up' or 'down' "
+ "valid\n", up_or_down);
+
+ if (vc->link_status_changed)
+ vc->link_status_changed(vc);
+
+ return 1;
+}
+
+void net_cleanup(void)
+{
+ VLANState *vlan;
+
+ /* close network clients */
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ VLANClientState *vc = vlan->first_client;
+
+ while (vc) {
+ VLANClientState *next = vc->next;
+
+ qemu_del_vlan_client(vc);
+
+ vc = next;
+ }
+ }
+}
+
+void net_client_check(void)
+{
+ VLANState *vlan;
+
+ for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
+ if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
+ continue;
+ if (vlan->nb_guest_devs == 0)
+ fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
+ if (vlan->nb_host_devs == 0)
+ fprintf(stderr,
+ "Warning: vlan %d is not connected to host network\n",
+ vlan->id);
+ }
+}