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Commit | Line | Data |
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68ac40d2 MM |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
452fcdbc | 24 | |
2744d920 | 25 | #include "qemu/osdep.h" |
2addc8fb | 26 | #include "qemu/log.h" |
68ac40d2 MM |
27 | #include "net/slirp.h" |
28 | ||
68ac40d2 | 29 | |
28b150bf | 30 | #ifndef _WIN32 |
1cb1c5d1 | 31 | #include <pwd.h> |
28b150bf BS |
32 | #include <sys/wait.h> |
33 | #endif | |
1422e32d | 34 | #include "net/net.h" |
a245fc18 PB |
35 | #include "clients.h" |
36 | #include "hub.h" | |
83c9089e | 37 | #include "monitor/monitor.h" |
d49b6836 | 38 | #include "qemu/error-report.h" |
1de7afc9 | 39 | #include "qemu/sockets.h" |
68ac40d2 | 40 | #include "slirp/libslirp.h" |
4d43a603 | 41 | #include "chardev/char-fe.h" |
f6c2e66a | 42 | #include "sysemu/sysemu.h" |
f348b6d1 | 43 | #include "qemu/cutils.h" |
32a6ebec | 44 | #include "qapi/error.h" |
452fcdbc | 45 | #include "qapi/qmp/qdict.h" |
e05ae1d9 | 46 | #include "util.h" |
68ac40d2 MM |
47 | |
48 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
49 | { | |
50 | const char *p, *p1; | |
51 | int len; | |
52 | p = *pp; | |
53 | p1 = strchr(p, sep); | |
54 | if (!p1) | |
55 | return -1; | |
56 | len = p1 - p; | |
57 | p1++; | |
58 | if (buf_size > 0) { | |
59 | if (len > buf_size - 1) | |
60 | len = buf_size - 1; | |
61 | memcpy(buf, p, len); | |
62 | buf[len] = '\0'; | |
63 | } | |
64 | *pp = p1; | |
65 | return 0; | |
66 | } | |
67 | ||
68 | /* slirp network adapter */ | |
69 | ||
70 | #define SLIRP_CFG_HOSTFWD 1 | |
68ac40d2 MM |
71 | |
72 | struct slirp_config_str { | |
73 | struct slirp_config_str *next; | |
74 | int flags; | |
75 | char str[1024]; | |
68ac40d2 MM |
76 | }; |
77 | ||
8d45a3b9 MAL |
78 | struct GuestFwd { |
79 | CharBackend hd; | |
80 | struct in_addr server; | |
81 | int port; | |
82 | Slirp *slirp; | |
83 | }; | |
84 | ||
68ac40d2 | 85 | typedef struct SlirpState { |
4e68f7a0 | 86 | NetClientState nc; |
68ac40d2 | 87 | QTAILQ_ENTRY(SlirpState) entry; |
68ac40d2 | 88 | Slirp *slirp; |
f6c2e66a | 89 | Notifier exit_notifier; |
68ac40d2 | 90 | #ifndef _WIN32 |
f95cc8b6 | 91 | gchar *smb_dir; |
68ac40d2 | 92 | #endif |
8d45a3b9 | 93 | GSList *fwd; |
68ac40d2 MM |
94 | } SlirpState; |
95 | ||
96 | static struct slirp_config_str *slirp_configs; | |
b58deb34 | 97 | static QTAILQ_HEAD(, SlirpState) slirp_stacks = |
68ac40d2 MM |
98 | QTAILQ_HEAD_INITIALIZER(slirp_stacks); |
99 | ||
d18572dd TH |
100 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp); |
101 | static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp); | |
68ac40d2 MM |
102 | |
103 | #ifndef _WIN32 | |
68ac40d2 | 104 | static int slirp_smb(SlirpState *s, const char *exported_dir, |
5c843af2 | 105 | struct in_addr vserver_addr, Error **errp); |
68ac40d2 MM |
106 | static void slirp_smb_cleanup(SlirpState *s); |
107 | #else | |
108 | static inline void slirp_smb_cleanup(SlirpState *s) { } | |
109 | #endif | |
110 | ||
625a526b MAL |
111 | static ssize_t net_slirp_send_packet(const void *pkt, size_t pkt_len, |
112 | void *opaque) | |
68ac40d2 MM |
113 | { |
114 | SlirpState *s = opaque; | |
115 | ||
625a526b | 116 | return qemu_send_packet(&s->nc, pkt, pkt_len); |
68ac40d2 MM |
117 | } |
118 | ||
4e68f7a0 | 119 | static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
68ac40d2 | 120 | { |
ce20b5be | 121 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 MM |
122 | |
123 | slirp_input(s->slirp, buf, size); | |
124 | ||
125 | return size; | |
126 | } | |
127 | ||
f6c2e66a PB |
128 | static void slirp_smb_exit(Notifier *n, void *data) |
129 | { | |
130 | SlirpState *s = container_of(n, SlirpState, exit_notifier); | |
131 | slirp_smb_cleanup(s); | |
132 | } | |
133 | ||
8d45a3b9 MAL |
134 | static void slirp_free_fwd(gpointer data) |
135 | { | |
136 | struct GuestFwd *fwd = data; | |
137 | ||
138 | qemu_chr_fe_deinit(&fwd->hd, true); | |
139 | g_free(data); | |
140 | } | |
141 | ||
4e68f7a0 | 142 | static void net_slirp_cleanup(NetClientState *nc) |
68ac40d2 | 143 | { |
ce20b5be | 144 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 | 145 | |
8d45a3b9 | 146 | g_slist_free_full(s->fwd, slirp_free_fwd); |
68ac40d2 | 147 | slirp_cleanup(s->slirp); |
67f3280c MAL |
148 | if (s->exit_notifier.notify) { |
149 | qemu_remove_exit_notifier(&s->exit_notifier); | |
150 | } | |
68ac40d2 MM |
151 | slirp_smb_cleanup(s); |
152 | QTAILQ_REMOVE(&slirp_stacks, s, entry); | |
68ac40d2 MM |
153 | } |
154 | ||
ce20b5be | 155 | static NetClientInfo net_slirp_info = { |
f394b2e2 | 156 | .type = NET_CLIENT_DRIVER_USER, |
ce20b5be MM |
157 | .size = sizeof(SlirpState), |
158 | .receive = net_slirp_receive, | |
159 | .cleanup = net_slirp_cleanup, | |
160 | }; | |
161 | ||
2addc8fb MAL |
162 | static void net_slirp_guest_error(const char *msg) |
163 | { | |
164 | qemu_log_mask(LOG_GUEST_ERROR, "%s", msg); | |
165 | } | |
166 | ||
e6dbff3f MAL |
167 | static int64_t net_slirp_clock_get_ns(void) |
168 | { | |
169 | return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
170 | } | |
171 | ||
07abf6d4 MAL |
172 | static void *net_slirp_timer_new(SlirpTimerCb cb, void *opaque) |
173 | { | |
174 | return timer_new_full(NULL, QEMU_CLOCK_VIRTUAL, | |
175 | SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL, | |
176 | cb, opaque); | |
177 | } | |
178 | ||
179 | static void net_slirp_timer_free(void *timer) | |
180 | { | |
181 | timer_del(timer); | |
182 | timer_free(timer); | |
183 | } | |
184 | ||
185 | static void net_slirp_timer_mod(void *timer, int64_t expire_timer) | |
186 | { | |
187 | timer_mod(timer, expire_timer); | |
188 | } | |
189 | ||
848c7092 MAL |
190 | static void net_slirp_register_poll_fd(int fd) |
191 | { | |
192 | qemu_fd_register(fd); | |
193 | } | |
194 | ||
f6e5aa36 MAL |
195 | static void net_slirp_unregister_poll_fd(int fd) |
196 | { | |
197 | /* no qemu_fd_unregister */ | |
198 | } | |
199 | ||
d846b927 | 200 | static const SlirpCb slirp_cb = { |
625a526b | 201 | .send_packet = net_slirp_send_packet, |
2addc8fb | 202 | .guest_error = net_slirp_guest_error, |
e6dbff3f | 203 | .clock_get_ns = net_slirp_clock_get_ns, |
07abf6d4 MAL |
204 | .timer_new = net_slirp_timer_new, |
205 | .timer_free = net_slirp_timer_free, | |
206 | .timer_mod = net_slirp_timer_mod, | |
848c7092 | 207 | .register_poll_fd = net_slirp_register_poll_fd, |
f6e5aa36 | 208 | .unregister_poll_fd = net_slirp_unregister_poll_fd, |
c21d9594 | 209 | .notify = qemu_notify_event, |
d846b927 MAL |
210 | }; |
211 | ||
4e68f7a0 | 212 | static int net_slirp_init(NetClientState *peer, const char *model, |
68ac40d2 | 213 | const char *name, int restricted, |
0b11c036 ST |
214 | bool ipv4, const char *vnetwork, const char *vhost, |
215 | bool ipv6, const char *vprefix6, int vprefix6_len, | |
7aac531e | 216 | const char *vhost6, |
68ac40d2 MM |
217 | const char *vhostname, const char *tftp_export, |
218 | const char *bootfile, const char *vdhcp_start, | |
7aac531e YB |
219 | const char *vnameserver, const char *vnameserver6, |
220 | const char *smb_export, const char *vsmbserver, | |
f18d1375 | 221 | const char **dnssearch, const char *vdomainname, |
0fca92b9 | 222 | const char *tftp_server_name, |
f18d1375 | 223 | Error **errp) |
68ac40d2 MM |
224 | { |
225 | /* default settings according to historic slirp */ | |
226 | struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */ | |
227 | struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */ | |
228 | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ | |
229 | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ | |
230 | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ | |
7aac531e YB |
231 | struct in6_addr ip6_prefix; |
232 | struct in6_addr ip6_host; | |
233 | struct in6_addr ip6_dns; | |
68ac40d2 MM |
234 | #ifndef _WIN32 |
235 | struct in_addr smbsrv = { .s_addr = 0 }; | |
236 | #endif | |
4e68f7a0 | 237 | NetClientState *nc; |
68ac40d2 MM |
238 | SlirpState *s; |
239 | char buf[20]; | |
240 | uint32_t addr; | |
241 | int shift; | |
242 | char *end; | |
243 | struct slirp_config_str *config; | |
244 | ||
0b11c036 | 245 | if (!ipv4 && (vnetwork || vhost || vnameserver)) { |
5c843af2 | 246 | error_setg(errp, "IPv4 disabled but netmask/host/dns provided"); |
0b11c036 ST |
247 | return -1; |
248 | } | |
249 | ||
250 | if (!ipv6 && (vprefix6 || vhost6 || vnameserver6)) { | |
5c843af2 | 251 | error_setg(errp, "IPv6 disabled but prefix/host6/dns6 provided"); |
0b11c036 ST |
252 | return -1; |
253 | } | |
254 | ||
255 | if (!ipv4 && !ipv6) { | |
256 | /* It doesn't make sense to disable both */ | |
5c843af2 | 257 | error_setg(errp, "IPv4 and IPv6 disabled"); |
0b11c036 ST |
258 | return -1; |
259 | } | |
260 | ||
68ac40d2 MM |
261 | if (vnetwork) { |
262 | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { | |
263 | if (!inet_aton(vnetwork, &net)) { | |
5c843af2 | 264 | error_setg(errp, "Failed to parse netmask"); |
68ac40d2 MM |
265 | return -1; |
266 | } | |
267 | addr = ntohl(net.s_addr); | |
268 | if (!(addr & 0x80000000)) { | |
269 | mask.s_addr = htonl(0xff000000); /* class A */ | |
270 | } else if ((addr & 0xfff00000) == 0xac100000) { | |
271 | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ | |
272 | } else if ((addr & 0xc0000000) == 0x80000000) { | |
273 | mask.s_addr = htonl(0xffff0000); /* class B */ | |
274 | } else if ((addr & 0xffff0000) == 0xc0a80000) { | |
275 | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ | |
276 | } else if ((addr & 0xffff0000) == 0xc6120000) { | |
277 | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ | |
278 | } else if ((addr & 0xe0000000) == 0xe0000000) { | |
279 | mask.s_addr = htonl(0xffffff00); /* class C */ | |
280 | } else { | |
281 | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ | |
282 | } | |
283 | } else { | |
284 | if (!inet_aton(buf, &net)) { | |
5c843af2 | 285 | error_setg(errp, "Failed to parse netmask"); |
68ac40d2 MM |
286 | return -1; |
287 | } | |
288 | shift = strtol(vnetwork, &end, 10); | |
289 | if (*end != '\0') { | |
290 | if (!inet_aton(vnetwork, &mask)) { | |
5c843af2 HP |
291 | error_setg(errp, |
292 | "Failed to parse netmask (trailing chars)"); | |
68ac40d2 MM |
293 | return -1; |
294 | } | |
295 | } else if (shift < 4 || shift > 32) { | |
5c843af2 HP |
296 | error_setg(errp, |
297 | "Invalid netmask provided (must be in range 4-32)"); | |
68ac40d2 MM |
298 | return -1; |
299 | } else { | |
300 | mask.s_addr = htonl(0xffffffff << (32 - shift)); | |
301 | } | |
302 | } | |
303 | net.s_addr &= mask.s_addr; | |
304 | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr); | |
305 | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr); | |
306 | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr); | |
307 | } | |
308 | ||
309 | if (vhost && !inet_aton(vhost, &host)) { | |
5c843af2 | 310 | error_setg(errp, "Failed to parse host"); |
68ac40d2 MM |
311 | return -1; |
312 | } | |
313 | if ((host.s_addr & mask.s_addr) != net.s_addr) { | |
5c843af2 | 314 | error_setg(errp, "Host doesn't belong to network"); |
68ac40d2 MM |
315 | return -1; |
316 | } | |
317 | ||
68756ba8 | 318 | if (vnameserver && !inet_aton(vnameserver, &dns)) { |
5c843af2 | 319 | error_setg(errp, "Failed to parse DNS"); |
68ac40d2 MM |
320 | return -1; |
321 | } | |
5c843af2 HP |
322 | if ((dns.s_addr & mask.s_addr) != net.s_addr) { |
323 | error_setg(errp, "DNS doesn't belong to network"); | |
324 | return -1; | |
325 | } | |
326 | if (dns.s_addr == host.s_addr) { | |
327 | error_setg(errp, "DNS must be different from host"); | |
68ac40d2 MM |
328 | return -1; |
329 | } | |
330 | ||
68756ba8 | 331 | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) { |
5c843af2 | 332 | error_setg(errp, "Failed to parse DHCP start address"); |
68ac40d2 MM |
333 | return -1; |
334 | } | |
5c843af2 HP |
335 | if ((dhcp.s_addr & mask.s_addr) != net.s_addr) { |
336 | error_setg(errp, "DHCP doesn't belong to network"); | |
337 | return -1; | |
338 | } | |
339 | if (dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { | |
340 | error_setg(errp, "DNS must be different from host and DNS"); | |
68ac40d2 MM |
341 | return -1; |
342 | } | |
343 | ||
344 | #ifndef _WIN32 | |
345 | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) { | |
5c843af2 | 346 | error_setg(errp, "Failed to parse SMB address"); |
68ac40d2 MM |
347 | return -1; |
348 | } | |
349 | #endif | |
350 | ||
7aac531e YB |
351 | if (!vprefix6) { |
352 | vprefix6 = "fec0::"; | |
353 | } | |
354 | if (!inet_pton(AF_INET6, vprefix6, &ip6_prefix)) { | |
5c843af2 | 355 | error_setg(errp, "Failed to parse IPv6 prefix"); |
7aac531e YB |
356 | return -1; |
357 | } | |
7aac531e YB |
358 | |
359 | if (!vprefix6_len) { | |
360 | vprefix6_len = 64; | |
361 | } | |
362 | if (vprefix6_len < 0 || vprefix6_len > 126) { | |
5c843af2 HP |
363 | error_setg(errp, |
364 | "Invalid prefix provided (prefix len must be in range 0-126"); | |
7aac531e YB |
365 | return -1; |
366 | } | |
367 | ||
368 | if (vhost6) { | |
7aac531e | 369 | if (!inet_pton(AF_INET6, vhost6, &ip6_host)) { |
5c843af2 | 370 | error_setg(errp, "Failed to parse IPv6 host"); |
7aac531e YB |
371 | return -1; |
372 | } | |
373 | if (!in6_equal_net(&ip6_prefix, &ip6_host, vprefix6_len)) { | |
5c843af2 | 374 | error_setg(errp, "IPv6 Host doesn't belong to network"); |
7aac531e YB |
375 | return -1; |
376 | } | |
7aac531e YB |
377 | } else { |
378 | ip6_host = ip6_prefix; | |
379 | ip6_host.s6_addr[15] |= 2; | |
380 | } | |
381 | ||
382 | if (vnameserver6) { | |
7aac531e | 383 | if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) { |
5c843af2 | 384 | error_setg(errp, "Failed to parse IPv6 DNS"); |
7aac531e YB |
385 | return -1; |
386 | } | |
387 | if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) { | |
5c843af2 | 388 | error_setg(errp, "IPv6 DNS doesn't belong to network"); |
7aac531e YB |
389 | return -1; |
390 | } | |
7aac531e YB |
391 | } else { |
392 | ip6_dns = ip6_prefix; | |
393 | ip6_dns.s6_addr[15] |= 3; | |
394 | } | |
395 | ||
f18d1375 BD |
396 | if (vdomainname && !*vdomainname) { |
397 | error_setg(errp, "'domainname' parameter cannot be empty"); | |
398 | return -1; | |
399 | } | |
400 | ||
6e157a03 FZ |
401 | if (vdomainname && strlen(vdomainname) > 255) { |
402 | error_setg(errp, "'domainname' parameter cannot exceed 255 bytes"); | |
403 | return -1; | |
404 | } | |
405 | ||
406 | if (vhostname && strlen(vhostname) > 255) { | |
407 | error_setg(errp, "'vhostname' parameter cannot exceed 255 bytes"); | |
408 | return -1; | |
409 | } | |
7aac531e | 410 | |
0fca92b9 FZ |
411 | if (tftp_server_name && strlen(tftp_server_name) > 255) { |
412 | error_setg(errp, "'tftp-server-name' parameter cannot exceed 255 bytes"); | |
413 | return -1; | |
414 | } | |
415 | ||
ab5f3f84 | 416 | nc = qemu_new_net_client(&net_slirp_info, peer, model, name); |
ce20b5be MM |
417 | |
418 | snprintf(nc->info_str, sizeof(nc->info_str), | |
c54ed5bc JK |
419 | "net=%s,restrict=%s", inet_ntoa(net), |
420 | restricted ? "on" : "off"); | |
ce20b5be MM |
421 | |
422 | s = DO_UPCAST(SlirpState, nc, nc); | |
423 | ||
0b11c036 ST |
424 | s->slirp = slirp_init(restricted, ipv4, net, mask, host, |
425 | ipv6, ip6_prefix, vprefix6_len, ip6_host, | |
0fca92b9 FZ |
426 | vhostname, tftp_server_name, |
427 | tftp_export, bootfile, dhcp, | |
62c1d2c4 | 428 | dns, ip6_dns, dnssearch, vdomainname, |
d846b927 | 429 | &slirp_cb, s); |
68ac40d2 MM |
430 | QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
431 | ||
432 | for (config = slirp_configs; config; config = config->next) { | |
433 | if (config->flags & SLIRP_CFG_HOSTFWD) { | |
d18572dd | 434 | if (slirp_hostfwd(s, config->str, errp) < 0) { |
ce20b5be | 435 | goto error; |
5c843af2 | 436 | } |
68ac40d2 | 437 | } else { |
d18572dd | 438 | if (slirp_guestfwd(s, config->str, errp) < 0) { |
ce20b5be | 439 | goto error; |
5c843af2 | 440 | } |
68ac40d2 MM |
441 | } |
442 | } | |
443 | #ifndef _WIN32 | |
68ac40d2 | 444 | if (smb_export) { |
5c843af2 | 445 | if (slirp_smb(s, smb_export, smbsrv, errp) < 0) { |
ce20b5be | 446 | goto error; |
5c843af2 | 447 | } |
68ac40d2 MM |
448 | } |
449 | #endif | |
450 | ||
f6c2e66a PB |
451 | s->exit_notifier.notify = slirp_smb_exit; |
452 | qemu_add_exit_notifier(&s->exit_notifier); | |
68ac40d2 | 453 | return 0; |
ce20b5be MM |
454 | |
455 | error: | |
b20c6b9e | 456 | qemu_del_net_client(nc); |
ce20b5be | 457 | return -1; |
68ac40d2 MM |
458 | } |
459 | ||
93653066 TH |
460 | static SlirpState *slirp_lookup(Monitor *mon, const char *hub_id, |
461 | const char *name) | |
68ac40d2 | 462 | { |
93653066 | 463 | if (name) { |
4e68f7a0 | 464 | NetClientState *nc; |
93653066 TH |
465 | if (hub_id) { |
466 | nc = net_hub_find_client_by_name(strtol(hub_id, NULL, 0), name); | |
467 | if (!nc) { | |
442da403 | 468 | monitor_printf(mon, "unrecognized (hub-id, stackname) pair\n"); |
93653066 TH |
469 | return NULL; |
470 | } | |
68cb29ea TH |
471 | warn_report("Using 'hub-id' is deprecated, specify the netdev id " |
472 | "directly instead"); | |
93653066 TH |
473 | } else { |
474 | nc = qemu_find_netdev(name); | |
475 | if (!nc) { | |
476 | monitor_printf(mon, "unrecognized netdev id '%s'\n", name); | |
477 | return NULL; | |
478 | } | |
68ac40d2 | 479 | } |
ce20b5be | 480 | if (strcmp(nc->model, "user")) { |
68ac40d2 MM |
481 | monitor_printf(mon, "invalid device specified\n"); |
482 | return NULL; | |
483 | } | |
ce20b5be | 484 | return DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 MM |
485 | } else { |
486 | if (QTAILQ_EMPTY(&slirp_stacks)) { | |
487 | monitor_printf(mon, "user mode network stack not in use\n"); | |
488 | return NULL; | |
489 | } | |
490 | return QTAILQ_FIRST(&slirp_stacks); | |
491 | } | |
492 | } | |
493 | ||
3e5a50d6 | 494 | void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
495 | { |
496 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; | |
497 | int host_port; | |
e30e5eb6 | 498 | char buf[256]; |
68ac40d2 MM |
499 | const char *src_str, *p; |
500 | SlirpState *s; | |
501 | int is_udp = 0; | |
502 | int err; | |
503 | const char *arg1 = qdict_get_str(qdict, "arg1"); | |
504 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); | |
505 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); | |
506 | ||
93653066 | 507 | if (arg3) { |
68ac40d2 MM |
508 | s = slirp_lookup(mon, arg1, arg2); |
509 | src_str = arg3; | |
93653066 TH |
510 | } else if (arg2) { |
511 | s = slirp_lookup(mon, NULL, arg1); | |
512 | src_str = arg2; | |
68ac40d2 MM |
513 | } else { |
514 | s = slirp_lookup(mon, NULL, NULL); | |
515 | src_str = arg1; | |
516 | } | |
517 | if (!s) { | |
518 | return; | |
519 | } | |
520 | ||
68ac40d2 | 521 | p = src_str; |
e30e5eb6 MA |
522 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
523 | goto fail_syntax; | |
524 | } | |
68ac40d2 MM |
525 | |
526 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { | |
527 | is_udp = 0; | |
528 | } else if (!strcmp(buf, "udp")) { | |
529 | is_udp = 1; | |
530 | } else { | |
531 | goto fail_syntax; | |
532 | } | |
533 | ||
534 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
535 | goto fail_syntax; | |
536 | } | |
537 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { | |
538 | goto fail_syntax; | |
539 | } | |
540 | ||
1fb3f7f2 NA |
541 | if (qemu_strtoi(p, NULL, 10, &host_port)) { |
542 | goto fail_syntax; | |
543 | } | |
68ac40d2 | 544 | |
70381662 | 545 | err = slirp_remove_hostfwd(s->slirp, is_udp, host_addr, host_port); |
68ac40d2 MM |
546 | |
547 | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str, | |
b15ba6c9 | 548 | err ? "not found" : "removed"); |
68ac40d2 MM |
549 | return; |
550 | ||
551 | fail_syntax: | |
552 | monitor_printf(mon, "invalid format\n"); | |
553 | } | |
554 | ||
d18572dd | 555 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp) |
68ac40d2 MM |
556 | { |
557 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; | |
558 | struct in_addr guest_addr = { .s_addr = 0 }; | |
559 | int host_port, guest_port; | |
560 | const char *p; | |
561 | char buf[256]; | |
562 | int is_udp; | |
563 | char *end; | |
0e7e4fb0 | 564 | const char *fail_reason = "Unknown reason"; |
68ac40d2 MM |
565 | |
566 | p = redir_str; | |
567 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
0e7e4fb0 | 568 | fail_reason = "No : separators"; |
68ac40d2 MM |
569 | goto fail_syntax; |
570 | } | |
571 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { | |
572 | is_udp = 0; | |
573 | } else if (!strcmp(buf, "udp")) { | |
574 | is_udp = 1; | |
575 | } else { | |
0e7e4fb0 | 576 | fail_reason = "Bad protocol name"; |
68ac40d2 MM |
577 | goto fail_syntax; |
578 | } | |
579 | ||
d18572dd TH |
580 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
581 | fail_reason = "Missing : separator"; | |
582 | goto fail_syntax; | |
583 | } | |
584 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { | |
585 | fail_reason = "Bad host address"; | |
586 | goto fail_syntax; | |
68ac40d2 MM |
587 | } |
588 | ||
d18572dd | 589 | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
0e7e4fb0 | 590 | fail_reason = "Bad host port separator"; |
68ac40d2 MM |
591 | goto fail_syntax; |
592 | } | |
593 | host_port = strtol(buf, &end, 0); | |
0bed71ed | 594 | if (*end != '\0' || host_port < 0 || host_port > 65535) { |
0e7e4fb0 | 595 | fail_reason = "Bad host port"; |
68ac40d2 MM |
596 | goto fail_syntax; |
597 | } | |
598 | ||
599 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
0e7e4fb0 | 600 | fail_reason = "Missing guest address"; |
68ac40d2 MM |
601 | goto fail_syntax; |
602 | } | |
603 | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { | |
0e7e4fb0 | 604 | fail_reason = "Bad guest address"; |
68ac40d2 MM |
605 | goto fail_syntax; |
606 | } | |
607 | ||
608 | guest_port = strtol(p, &end, 0); | |
609 | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { | |
0e7e4fb0 | 610 | fail_reason = "Bad guest port"; |
68ac40d2 MM |
611 | goto fail_syntax; |
612 | } | |
613 | ||
614 | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr, | |
615 | guest_port) < 0) { | |
5c843af2 HP |
616 | error_setg(errp, "Could not set up host forwarding rule '%s'", |
617 | redir_str); | |
68ac40d2 MM |
618 | return -1; |
619 | } | |
620 | return 0; | |
621 | ||
622 | fail_syntax: | |
0e7e4fb0 DDAG |
623 | error_setg(errp, "Invalid host forwarding rule '%s' (%s)", redir_str, |
624 | fail_reason); | |
68ac40d2 MM |
625 | return -1; |
626 | } | |
627 | ||
3e5a50d6 | 628 | void hmp_hostfwd_add(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
629 | { |
630 | const char *redir_str; | |
631 | SlirpState *s; | |
632 | const char *arg1 = qdict_get_str(qdict, "arg1"); | |
633 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); | |
634 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); | |
635 | ||
93653066 | 636 | if (arg3) { |
68ac40d2 MM |
637 | s = slirp_lookup(mon, arg1, arg2); |
638 | redir_str = arg3; | |
93653066 TH |
639 | } else if (arg2) { |
640 | s = slirp_lookup(mon, NULL, arg1); | |
641 | redir_str = arg2; | |
68ac40d2 MM |
642 | } else { |
643 | s = slirp_lookup(mon, NULL, NULL); | |
644 | redir_str = arg1; | |
645 | } | |
646 | if (s) { | |
5c843af2 | 647 | Error *err = NULL; |
d18572dd | 648 | if (slirp_hostfwd(s, redir_str, &err) < 0) { |
5c843af2 HP |
649 | error_report_err(err); |
650 | } | |
68ac40d2 MM |
651 | } |
652 | ||
653 | } | |
654 | ||
68ac40d2 MM |
655 | #ifndef _WIN32 |
656 | ||
657 | /* automatic user mode samba server configuration */ | |
658 | static void slirp_smb_cleanup(SlirpState *s) | |
659 | { | |
5a01e99f | 660 | int ret; |
68ac40d2 | 661 | |
f95cc8b6 DDAG |
662 | if (s->smb_dir) { |
663 | gchar *cmd = g_strdup_printf("rm -rf %s", s->smb_dir); | |
5a01e99f | 664 | ret = system(cmd); |
24ac07de | 665 | if (ret == -1 || !WIFEXITED(ret)) { |
1ecda02b | 666 | error_report("'%s' failed.", cmd); |
5a01e99f | 667 | } else if (WEXITSTATUS(ret)) { |
1ecda02b MA |
668 | error_report("'%s' failed. Error code: %d", |
669 | cmd, WEXITSTATUS(ret)); | |
5a01e99f | 670 | } |
f95cc8b6 DDAG |
671 | g_free(cmd); |
672 | g_free(s->smb_dir); | |
673 | s->smb_dir = NULL; | |
68ac40d2 MM |
674 | } |
675 | } | |
676 | ||
677 | static int slirp_smb(SlirpState* s, const char *exported_dir, | |
5c843af2 | 678 | struct in_addr vserver_addr, Error **errp) |
68ac40d2 | 679 | { |
f95cc8b6 DDAG |
680 | char *smb_conf; |
681 | char *smb_cmdline; | |
1cb1c5d1 | 682 | struct passwd *passwd; |
68ac40d2 MM |
683 | FILE *f; |
684 | ||
1cb1c5d1 JK |
685 | passwd = getpwuid(geteuid()); |
686 | if (!passwd) { | |
5c843af2 | 687 | error_setg(errp, "Failed to retrieve user name"); |
1cb1c5d1 JK |
688 | return -1; |
689 | } | |
690 | ||
927d811b | 691 | if (access(CONFIG_SMBD_COMMAND, F_OK)) { |
5c843af2 HP |
692 | error_setg(errp, "Could not find '%s', please install it", |
693 | CONFIG_SMBD_COMMAND); | |
927d811b DH |
694 | return -1; |
695 | } | |
696 | ||
697 | if (access(exported_dir, R_OK | X_OK)) { | |
5c843af2 HP |
698 | error_setg(errp, "Error accessing shared directory '%s': %s", |
699 | exported_dir, strerror(errno)); | |
927d811b DH |
700 | return -1; |
701 | } | |
702 | ||
f95cc8b6 DDAG |
703 | s->smb_dir = g_dir_make_tmp("qemu-smb.XXXXXX", NULL); |
704 | if (!s->smb_dir) { | |
5c843af2 | 705 | error_setg(errp, "Could not create samba server dir"); |
68ac40d2 MM |
706 | return -1; |
707 | } | |
f95cc8b6 | 708 | smb_conf = g_strdup_printf("%s/%s", s->smb_dir, "smb.conf"); |
68ac40d2 MM |
709 | |
710 | f = fopen(smb_conf, "w"); | |
711 | if (!f) { | |
712 | slirp_smb_cleanup(s); | |
5c843af2 HP |
713 | error_setg(errp, |
714 | "Could not create samba server configuration file '%s'", | |
715 | smb_conf); | |
f95cc8b6 | 716 | g_free(smb_conf); |
68ac40d2 MM |
717 | return -1; |
718 | } | |
719 | fprintf(f, | |
720 | "[global]\n" | |
721 | "private dir=%s\n" | |
7912d04b PW |
722 | "interfaces=127.0.0.1\n" |
723 | "bind interfaces only=yes\n" | |
68ac40d2 MM |
724 | "pid directory=%s\n" |
725 | "lock directory=%s\n" | |
276eda57 | 726 | "state directory=%s\n" |
7912d04b | 727 | "cache directory=%s\n" |
b87b8a8b | 728 | "ncalrpc dir=%s/ncalrpc\n" |
68ac40d2 MM |
729 | "log file=%s/log.smbd\n" |
730 | "smb passwd file=%s/smbpasswd\n" | |
c2804ee6 MB |
731 | "security = user\n" |
732 | "map to guest = Bad User\n" | |
7912d04b PW |
733 | "load printers = no\n" |
734 | "printing = bsd\n" | |
735 | "disable spoolss = yes\n" | |
736 | "usershare max shares = 0\n" | |
68ac40d2 MM |
737 | "[qemu]\n" |
738 | "path=%s\n" | |
739 | "read only=no\n" | |
1cb1c5d1 JK |
740 | "guest ok=yes\n" |
741 | "force user=%s\n", | |
68ac40d2 MM |
742 | s->smb_dir, |
743 | s->smb_dir, | |
744 | s->smb_dir, | |
745 | s->smb_dir, | |
746 | s->smb_dir, | |
276eda57 | 747 | s->smb_dir, |
b87b8a8b | 748 | s->smb_dir, |
7912d04b | 749 | s->smb_dir, |
1cb1c5d1 JK |
750 | exported_dir, |
751 | passwd->pw_name | |
68ac40d2 MM |
752 | ); |
753 | fclose(f); | |
754 | ||
f95cc8b6 | 755 | smb_cmdline = g_strdup_printf("%s -l %s -s %s", |
44d8d2b2 | 756 | CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf); |
f95cc8b6 | 757 | g_free(smb_conf); |
68ac40d2 | 758 | |
44b4ff24 MAL |
759 | if (slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 139) < 0 || |
760 | slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 445) < 0) { | |
68ac40d2 | 761 | slirp_smb_cleanup(s); |
f95cc8b6 | 762 | g_free(smb_cmdline); |
5c843af2 | 763 | error_setg(errp, "Conflicting/invalid smbserver address"); |
68ac40d2 MM |
764 | return -1; |
765 | } | |
f95cc8b6 | 766 | g_free(smb_cmdline); |
68ac40d2 MM |
767 | return 0; |
768 | } | |
769 | ||
68ac40d2 MM |
770 | #endif /* !defined(_WIN32) */ |
771 | ||
68ac40d2 MM |
772 | static int guestfwd_can_read(void *opaque) |
773 | { | |
774 | struct GuestFwd *fwd = opaque; | |
775 | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port); | |
776 | } | |
777 | ||
778 | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) | |
779 | { | |
780 | struct GuestFwd *fwd = opaque; | |
781 | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); | |
782 | } | |
783 | ||
625a526b | 784 | static ssize_t guestfwd_write(const void *buf, size_t len, void *chr) |
44b4ff24 MAL |
785 | { |
786 | return qemu_chr_fe_write_all(chr, buf, len); | |
787 | } | |
788 | ||
d18572dd | 789 | static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp) |
68ac40d2 MM |
790 | { |
791 | struct in_addr server = { .s_addr = 0 }; | |
792 | struct GuestFwd *fwd; | |
793 | const char *p; | |
794 | char buf[128]; | |
795 | char *end; | |
796 | int port; | |
797 | ||
798 | p = config_str; | |
d18572dd TH |
799 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
800 | goto fail_syntax; | |
801 | } | |
802 | if (strcmp(buf, "tcp") && buf[0] != '\0') { | |
803 | goto fail_syntax; | |
804 | } | |
805 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
806 | goto fail_syntax; | |
807 | } | |
808 | if (buf[0] != '\0' && !inet_aton(buf, &server)) { | |
809 | goto fail_syntax; | |
810 | } | |
811 | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { | |
812 | goto fail_syntax; | |
68ac40d2 MM |
813 | } |
814 | port = strtol(buf, &end, 10); | |
815 | if (*end != '\0' || port < 1 || port > 65535) { | |
816 | goto fail_syntax; | |
817 | } | |
818 | ||
a9899996 | 819 | snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port); |
68ac40d2 | 820 | |
3624730a | 821 | if (g_str_has_prefix(p, "cmd:")) { |
44b4ff24 | 822 | if (slirp_add_exec(s->slirp, &p[4], &server, port) < 0) { |
5c843af2 HP |
823 | error_setg(errp, "Conflicting/invalid host:port in guest " |
824 | "forwarding rule '%s'", config_str); | |
b412eb61 AG |
825 | return -1; |
826 | } | |
827 | } else { | |
32a6ebec | 828 | Error *err = NULL; |
95e30b2a MAL |
829 | /* |
830 | * FIXME: sure we want to support implicit | |
831 | * muxed monitors here? | |
832 | */ | |
833 | Chardev *chr = qemu_chr_new_mux_mon(buf, p); | |
32a6ebec MAL |
834 | |
835 | if (!chr) { | |
5c843af2 HP |
836 | error_setg(errp, "Could not open guest forwarding device '%s'", |
837 | buf); | |
32a6ebec MAL |
838 | return -1; |
839 | } | |
840 | ||
841 | fwd = g_new(struct GuestFwd, 1); | |
842 | qemu_chr_fe_init(&fwd->hd, chr, &err); | |
843 | if (err) { | |
5c843af2 | 844 | error_propagate(errp, err); |
8e207c32 | 845 | object_unparent(OBJECT(chr)); |
b412eb61 AG |
846 | g_free(fwd); |
847 | return -1; | |
848 | } | |
68ac40d2 | 849 | |
44b4ff24 MAL |
850 | if (slirp_add_guestfwd(s->slirp, guestfwd_write, &fwd->hd, |
851 | &server, port) < 0) { | |
5c843af2 HP |
852 | error_setg(errp, "Conflicting/invalid host:port in guest " |
853 | "forwarding rule '%s'", config_str); | |
8e207c32 | 854 | qemu_chr_fe_deinit(&fwd->hd, true); |
b412eb61 AG |
855 | g_free(fwd); |
856 | return -1; | |
857 | } | |
858 | fwd->server = server; | |
859 | fwd->port = port; | |
860 | fwd->slirp = s->slirp; | |
861 | ||
5345fdb4 | 862 | qemu_chr_fe_set_handlers(&fwd->hd, guestfwd_can_read, guestfwd_read, |
81517ba3 | 863 | NULL, NULL, fwd, NULL, true); |
8d45a3b9 | 864 | s->fwd = g_slist_append(s->fwd, fwd); |
b412eb61 | 865 | } |
68ac40d2 MM |
866 | return 0; |
867 | ||
868 | fail_syntax: | |
5c843af2 | 869 | error_setg(errp, "Invalid guest forwarding rule '%s'", config_str); |
68ac40d2 MM |
870 | return -1; |
871 | } | |
872 | ||
1ce6be24 | 873 | void hmp_info_usernet(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
874 | { |
875 | SlirpState *s; | |
876 | ||
877 | QTAILQ_FOREACH(s, &slirp_stacks, entry) { | |
90d87a33 | 878 | int id; |
442da403 | 879 | bool got_hub_id = net_hub_id_for_client(&s->nc, &id) == 0; |
b7f43bf2 MAL |
880 | char *info = slirp_connection_info(s->slirp); |
881 | monitor_printf(mon, "Hub %d (%s):\n%s", | |
442da403 | 882 | got_hub_id ? id : -1, |
b7f43bf2 MAL |
883 | s->nc.name, info); |
884 | g_free(info); | |
68ac40d2 MM |
885 | } |
886 | } | |
887 | ||
094f15c5 LE |
888 | static void |
889 | net_init_slirp_configs(const StringList *fwd, int flags) | |
68ac40d2 | 890 | { |
094f15c5 LE |
891 | while (fwd) { |
892 | struct slirp_config_str *config; | |
68ac40d2 | 893 | |
094f15c5 LE |
894 | config = g_malloc0(sizeof(*config)); |
895 | pstrcpy(config->str, sizeof(config->str), fwd->value->str); | |
896 | config->flags = flags; | |
897 | config->next = slirp_configs; | |
898 | slirp_configs = config; | |
68ac40d2 | 899 | |
094f15c5 | 900 | fwd = fwd->next; |
68ac40d2 | 901 | } |
68ac40d2 MM |
902 | } |
903 | ||
63d2960b KS |
904 | static const char **slirp_dnssearch(const StringList *dnsname) |
905 | { | |
906 | const StringList *c = dnsname; | |
907 | size_t i = 0, num_opts = 0; | |
908 | const char **ret; | |
909 | ||
910 | while (c) { | |
911 | num_opts++; | |
912 | c = c->next; | |
913 | } | |
914 | ||
915 | if (num_opts == 0) { | |
916 | return NULL; | |
917 | } | |
918 | ||
919 | ret = g_malloc((num_opts + 1) * sizeof(*ret)); | |
920 | c = dnsname; | |
921 | while (c) { | |
922 | ret[i++] = c->value->str; | |
923 | c = c->next; | |
924 | } | |
925 | ret[i] = NULL; | |
926 | return ret; | |
927 | } | |
928 | ||
cebea510 | 929 | int net_init_slirp(const Netdev *netdev, const char *name, |
a30ecde6 | 930 | NetClientState *peer, Error **errp) |
68ac40d2 MM |
931 | { |
932 | struct slirp_config_str *config; | |
094f15c5 | 933 | char *vnet; |
68ac40d2 | 934 | int ret; |
094f15c5 | 935 | const NetdevUserOptions *user; |
63d2960b | 936 | const char **dnssearch; |
0b11c036 | 937 | bool ipv4 = true, ipv6 = true; |
68ac40d2 | 938 | |
f394b2e2 EB |
939 | assert(netdev->type == NET_CLIENT_DRIVER_USER); |
940 | user = &netdev->u.user; | |
68ac40d2 | 941 | |
0b11c036 ST |
942 | if ((user->has_ipv6 && user->ipv6 && !user->has_ipv4) || |
943 | (user->has_ipv4 && !user->ipv4)) { | |
944 | ipv4 = 0; | |
945 | } | |
946 | if ((user->has_ipv4 && user->ipv4 && !user->has_ipv6) || | |
947 | (user->has_ipv6 && !user->ipv6)) { | |
948 | ipv6 = 0; | |
949 | } | |
950 | ||
094f15c5 LE |
951 | vnet = user->has_net ? g_strdup(user->net) : |
952 | user->has_ip ? g_strdup_printf("%s/24", user->ip) : | |
953 | NULL; | |
68ac40d2 | 954 | |
63d2960b KS |
955 | dnssearch = slirp_dnssearch(user->dnssearch); |
956 | ||
094f15c5 | 957 | /* all optional fields are initialized to "all bits zero" */ |
68ac40d2 | 958 | |
094f15c5 LE |
959 | net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD); |
960 | net_init_slirp_configs(user->guestfwd, 0); | |
68ac40d2 | 961 | |
0b11c036 ST |
962 | ret = net_slirp_init(peer, "user", name, user->q_restrict, |
963 | ipv4, vnet, user->host, | |
964 | ipv6, user->ipv6_prefix, user->ipv6_prefixlen, | |
d8eb3864 | 965 | user->ipv6_host, user->hostname, user->tftp, |
7aac531e | 966 | user->bootfile, user->dhcpstart, |
d8eb3864 | 967 | user->dns, user->ipv6_dns, user->smb, |
0fca92b9 FZ |
968 | user->smbserver, dnssearch, user->domainname, |
969 | user->tftp_server_name, errp); | |
68ac40d2 MM |
970 | |
971 | while (slirp_configs) { | |
972 | config = slirp_configs; | |
973 | slirp_configs = config->next; | |
7267c094 | 974 | g_free(config); |
68ac40d2 MM |
975 | } |
976 | ||
7267c094 | 977 | g_free(vnet); |
63d2960b | 978 | g_free(dnssearch); |
68ac40d2 MM |
979 | |
980 | return ret; | |
981 | } |