#include "config-host.h"
#ifndef _WIN32
+#include <pwd.h>
#include <sys/wait.h>
#endif
#include "net.h"
+#include "clients.h"
+#include "hub.h"
#include "monitor.h"
-#include "sysemu.h"
#include "qemu_socket.h"
#include "slirp/libslirp.h"
};
typedef struct SlirpState {
- VLANClientState nc;
+ NetClientState nc;
QTAILQ_ENTRY(SlirpState) entry;
Slirp *slirp;
#ifndef _WIN32
static inline void slirp_smb_cleanup(SlirpState *s) { }
#endif
-int slirp_can_output(void *opaque)
-{
- SlirpState *s = opaque;
-
- return qemu_can_send_packet(&s->nc);
-}
-
void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len)
{
SlirpState *s = opaque;
qemu_send_packet(&s->nc, pkt, pkt_len);
}
-static ssize_t net_slirp_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
+static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
SlirpState *s = DO_UPCAST(SlirpState, nc, nc);
return size;
}
-static void net_slirp_cleanup(VLANClientState *nc)
+static void net_slirp_cleanup(NetClientState *nc)
{
SlirpState *s = DO_UPCAST(SlirpState, nc, nc);
}
static NetClientInfo net_slirp_info = {
- .type = NET_CLIENT_TYPE_SLIRP,
+ .type = NET_CLIENT_OPTIONS_KIND_USER,
.size = sizeof(SlirpState),
.receive = net_slirp_receive,
.cleanup = net_slirp_cleanup,
};
-static int net_slirp_init(VLANState *vlan, const char *model,
+static int net_slirp_init(NetClientState *peer, const char *model,
const char *name, int restricted,
const char *vnetwork, const char *vhost,
const char *vhostname, const char *tftp_export,
#ifndef _WIN32
struct in_addr smbsrv = { .s_addr = 0 };
#endif
- VLANClientState *nc;
+ NetClientState *nc;
SlirpState *s;
char buf[20];
uint32_t addr;
}
#endif
- nc = qemu_new_net_client(&net_slirp_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
- "net=%s, restricted=%c", inet_ntoa(net), restricted ? 'y' : 'n');
+ "net=%s,restrict=%s", inet_ntoa(net),
+ restricted ? "on" : "off");
s = DO_UPCAST(SlirpState, nc, nc);
return 0;
error:
- qemu_del_vlan_client(nc);
+ qemu_del_net_client(nc);
return -1;
}
{
if (vlan) {
- VLANClientState *nc;
- nc = qemu_find_vlan_client_by_name(mon, strtol(vlan, NULL, 0), stack);
+ NetClientState *nc;
+ nc = net_hub_find_client_by_name(strtol(vlan, NULL, 0), stack);
if (!nc) {
return NULL;
}
{
struct in_addr host_addr = { .s_addr = INADDR_ANY };
int host_port;
- char buf[256] = "";
+ char buf[256];
const char *src_str, *p;
SlirpState *s;
int is_udp = 0;
return;
}
- if (!src_str || !src_str[0])
- goto fail_syntax;
-
p = src_str;
- get_str_sep(buf, sizeof(buf), &p, ':');
+ if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
+ goto fail_syntax;
+ }
if (!strcmp(buf, "tcp") || buf[0] == '\0') {
is_udp = 0;
host_addr, host_port);
monitor_printf(mon, "host forwarding rule for %s %s\n", src_str,
- err ? "removed" : "not found");
+ err ? "not found" : "removed");
return;
fail_syntax:
if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr,
guest_port) < 0) {
- qemu_error("could not set up host forwarding rule '%s'\n",
- redir_str);
+ error_report("could not set up host forwarding rule '%s'",
+ redir_str);
return -1;
}
return 0;
fail_syntax:
- qemu_error("invalid host forwarding rule '%s'\n", redir_str);
+ error_report("invalid host forwarding rule '%s'", redir_str);
return -1;
}
struct slirp_config_str *config;
if (QTAILQ_EMPTY(&slirp_stacks)) {
- config = qemu_malloc(sizeof(*config));
+ config = g_malloc(sizeof(*config));
pstrcpy(config->str, sizeof(config->str), redir_str);
config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY;
config->next = slirp_configs;
if (s->smb_dir[0] != '\0') {
snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir);
ret = system(cmd);
- if (!WIFEXITED(ret)) {
- qemu_error("'%s' failed.\n", cmd);
+ if (ret == -1 || !WIFEXITED(ret)) {
+ error_report("'%s' failed.", cmd);
} else if (WEXITSTATUS(ret)) {
- qemu_error("'%s' failed. Error code: %d\n",
- cmd, WEXITSTATUS(ret));
+ error_report("'%s' failed. Error code: %d",
+ cmd, WEXITSTATUS(ret));
}
s->smb_dir[0] = '\0';
}
static int instance;
char smb_conf[128];
char smb_cmdline[128];
+ struct passwd *passwd;
FILE *f;
+ passwd = getpwuid(geteuid());
+ if (!passwd) {
+ error_report("failed to retrieve user name");
+ return -1;
+ }
+
+ if (access(CONFIG_SMBD_COMMAND, F_OK)) {
+ error_report("could not find '%s', please install it",
+ CONFIG_SMBD_COMMAND);
+ return -1;
+ }
+
+ if (access(exported_dir, R_OK | X_OK)) {
+ error_report("error accessing shared directory '%s': %s",
+ exported_dir, strerror(errno));
+ return -1;
+ }
+
snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d",
(long)getpid(), instance++);
if (mkdir(s->smb_dir, 0700) < 0) {
- qemu_error("could not create samba server dir '%s'\n", s->smb_dir);
+ error_report("could not create samba server dir '%s'", s->smb_dir);
return -1;
}
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf");
f = fopen(smb_conf, "w");
if (!f) {
slirp_smb_cleanup(s);
- qemu_error("could not create samba server configuration file '%s'\n",
- smb_conf);
+ error_report("could not create samba server configuration file '%s'",
+ smb_conf);
return -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"
+ "state 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",
+ "guest ok=yes\n"
+ "force user=%s\n",
s->smb_dir,
s->smb_dir,
s->smb_dir,
s->smb_dir,
s->smb_dir,
- exported_dir
+ s->smb_dir,
+ exported_dir,
+ passwd->pw_name
);
fclose(f);
snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
- SMBD_COMMAND, smb_conf);
+ CONFIG_SMBD_COMMAND, smb_conf);
if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0) {
slirp_smb_cleanup(s);
- qemu_error("conflicting/invalid smbserver address\n");
+ error_report("conflicting/invalid smbserver address");
return -1;
}
return 0;
goto fail_syntax;
}
- fwd = qemu_malloc(sizeof(struct GuestFwd));
- snprintf(buf, sizeof(buf), "guestfwd.tcp:%d", port);
- fwd->hd = qemu_chr_open(buf, p, NULL);
- if (!fwd->hd) {
- qemu_error("could not open guest forwarding device '%s'\n", buf);
- qemu_free(fwd);
- return -1;
- }
+ fwd = g_malloc(sizeof(struct GuestFwd));
+ snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
- if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) {
- qemu_error("conflicting/invalid host:port in guest forwarding "
- "rule '%s'\n", config_str);
- qemu_free(fwd);
- return -1;
- }
- fwd->server = server;
- fwd->port = port;
- fwd->slirp = s->slirp;
+ if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
+ if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
+ error_report("conflicting/invalid host:port in guest forwarding "
+ "rule '%s'", config_str);
+ g_free(fwd);
+ return -1;
+ }
+ } else {
+ fwd->hd = qemu_chr_new(buf, p, NULL);
+ if (!fwd->hd) {
+ error_report("could not open guest forwarding device '%s'", buf);
+ g_free(fwd);
+ return -1;
+ }
+
+ if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) {
+ error_report("conflicting/invalid host:port in guest forwarding "
+ "rule '%s'", config_str);
+ g_free(fwd);
+ return -1;
+ }
+ fwd->server = server;
+ fwd->port = port;
+ fwd->slirp = s->slirp;
- qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read,
- NULL, fwd);
+ qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read,
+ NULL, fwd);
+ }
return 0;
fail_syntax:
- qemu_error("invalid guest forwarding rule '%s'\n", config_str);
+ error_report("invalid guest forwarding rule '%s'", config_str);
return -1;
}
SlirpState *s;
QTAILQ_FOREACH(s, &slirp_stacks, entry) {
+ int id;
+ bool got_vlan_id = net_hub_id_for_client(&s->nc, &id) == 0;
monitor_printf(mon, "VLAN %d (%s):\n",
- s->nc.vlan ? s->nc.vlan->id : -1,
+ got_vlan_id ? id : -1,
s->nc.name);
slirp_connection_info(s->slirp, mon);
}
}
-static int net_init_slirp_configs(const char *name, const char *value, void *opaque)
+static void
+net_init_slirp_configs(const StringList *fwd, int flags)
{
- struct slirp_config_str *config;
-
- if (strcmp(name, "hostfwd") != 0 && strcmp(name, "guestfwd") != 0) {
- return 0;
- }
-
- config = qemu_mallocz(sizeof(*config));
+ while (fwd) {
+ struct slirp_config_str *config;
- pstrcpy(config->str, sizeof(config->str), value);
+ config = g_malloc0(sizeof(*config));
+ pstrcpy(config->str, sizeof(config->str), fwd->value->str);
+ config->flags = flags;
+ config->next = slirp_configs;
+ slirp_configs = config;
- if (!strcmp(name, "hostfwd")) {
- config->flags = SLIRP_CFG_HOSTFWD;
+ fwd = fwd->next;
}
-
- config->next = slirp_configs;
- slirp_configs = config;
-
- return 0;
}
-int net_init_slirp(QemuOpts *opts,
- Monitor *mon,
- const char *name,
- VLANState *vlan)
+int net_init_slirp(const NetClientOptions *opts, const char *name,
+ NetClientState *peer)
{
struct slirp_config_str *config;
- const char *vhost;
- const char *vhostname;
- const char *vdhcp_start;
- const char *vnamesrv;
- const char *tftp_export;
- const char *bootfile;
- const char *smb_export;
- const char *vsmbsrv;
- char *vnet = NULL;
- int restricted = 0;
+ char *vnet;
int ret;
+ const NetdevUserOptions *user;
- vhost = qemu_opt_get(opts, "host");
- vhostname = qemu_opt_get(opts, "hostname");
- vdhcp_start = qemu_opt_get(opts, "dhcpstart");
- vnamesrv = qemu_opt_get(opts, "dns");
- tftp_export = qemu_opt_get(opts, "tftp");
- bootfile = qemu_opt_get(opts, "bootfile");
- smb_export = qemu_opt_get(opts, "smb");
- vsmbsrv = qemu_opt_get(opts, "smbserver");
-
- if (qemu_opt_get(opts, "ip")) {
- const char *ip = qemu_opt_get(opts, "ip");
- int l = strlen(ip) + strlen("/24") + 1;
-
- vnet = qemu_malloc(l);
-
- /* emulate legacy ip= parameter */
- pstrcpy(vnet, l, ip);
- pstrcat(vnet, l, "/24");
- }
+ assert(opts->kind == NET_CLIENT_OPTIONS_KIND_USER);
+ user = opts->user;
- if (qemu_opt_get(opts, "net")) {
- if (vnet) {
- qemu_free(vnet);
- }
- vnet = qemu_strdup(qemu_opt_get(opts, "net"));
- }
+ vnet = user->has_net ? g_strdup(user->net) :
+ user->has_ip ? g_strdup_printf("%s/24", user->ip) :
+ NULL;
- if (qemu_opt_get(opts, "restrict") &&
- qemu_opt_get(opts, "restrict")[0] == 'y') {
- restricted = 1;
- }
+ /* all optional fields are initialized to "all bits zero" */
- qemu_opt_foreach(opts, net_init_slirp_configs, NULL, 0);
+ net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD);
+ net_init_slirp_configs(user->guestfwd, 0);
- ret = net_slirp_init(vlan, "user", name, restricted, vnet, vhost,
- vhostname, tftp_export, bootfile, vdhcp_start,
- vnamesrv, smb_export, vsmbsrv);
+ ret = net_slirp_init(peer, "user", name, user->q_restrict, vnet,
+ user->host, user->hostname, user->tftp,
+ user->bootfile, user->dhcpstart, user->dns, user->smb,
+ user->smbserver);
while (slirp_configs) {
config = slirp_configs;
slirp_configs = config->next;
- qemu_free(config);
- }
-
- if (ret != -1 && vlan) {
- vlan->nb_host_devs++;
+ g_free(config);
}
- qemu_free(vnet);
+ g_free(vnet);
return ret;
}
if (QTAILQ_EMPTY(&slirp_stacks)) {
struct slirp_config_str *config;
- config = qemu_malloc(sizeof(*config));
+ config = g_malloc(sizeof(*config));
pstrcpy(config->str, sizeof(config->str), optarg);
config->flags = SLIRP_CFG_LEGACY;
config->next = slirp_configs;
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