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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; |
1ab67b98 | 89 | Notifier poll_notifier; |
f6c2e66a | 90 | Notifier exit_notifier; |
68ac40d2 | 91 | #ifndef _WIN32 |
f95cc8b6 | 92 | gchar *smb_dir; |
68ac40d2 | 93 | #endif |
8d45a3b9 | 94 | GSList *fwd; |
68ac40d2 MM |
95 | } SlirpState; |
96 | ||
97 | static struct slirp_config_str *slirp_configs; | |
b58deb34 | 98 | static QTAILQ_HEAD(, SlirpState) slirp_stacks = |
68ac40d2 MM |
99 | QTAILQ_HEAD_INITIALIZER(slirp_stacks); |
100 | ||
d18572dd TH |
101 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp); |
102 | static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp); | |
68ac40d2 MM |
103 | |
104 | #ifndef _WIN32 | |
68ac40d2 | 105 | static int slirp_smb(SlirpState *s, const char *exported_dir, |
5c843af2 | 106 | struct in_addr vserver_addr, Error **errp); |
68ac40d2 MM |
107 | static void slirp_smb_cleanup(SlirpState *s); |
108 | #else | |
109 | static inline void slirp_smb_cleanup(SlirpState *s) { } | |
110 | #endif | |
111 | ||
625a526b MAL |
112 | static ssize_t net_slirp_send_packet(const void *pkt, size_t pkt_len, |
113 | void *opaque) | |
68ac40d2 MM |
114 | { |
115 | SlirpState *s = opaque; | |
116 | ||
625a526b | 117 | return qemu_send_packet(&s->nc, pkt, pkt_len); |
68ac40d2 MM |
118 | } |
119 | ||
4e68f7a0 | 120 | static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
68ac40d2 | 121 | { |
ce20b5be | 122 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 MM |
123 | |
124 | slirp_input(s->slirp, buf, size); | |
125 | ||
126 | return size; | |
127 | } | |
128 | ||
f6c2e66a PB |
129 | static void slirp_smb_exit(Notifier *n, void *data) |
130 | { | |
131 | SlirpState *s = container_of(n, SlirpState, exit_notifier); | |
132 | slirp_smb_cleanup(s); | |
133 | } | |
134 | ||
8d45a3b9 MAL |
135 | static void slirp_free_fwd(gpointer data) |
136 | { | |
137 | struct GuestFwd *fwd = data; | |
138 | ||
139 | qemu_chr_fe_deinit(&fwd->hd, true); | |
140 | g_free(data); | |
141 | } | |
142 | ||
4e68f7a0 | 143 | static void net_slirp_cleanup(NetClientState *nc) |
68ac40d2 | 144 | { |
ce20b5be | 145 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 | 146 | |
8d45a3b9 | 147 | g_slist_free_full(s->fwd, slirp_free_fwd); |
1ab67b98 | 148 | main_loop_poll_remove_notifier(&s->poll_notifier); |
68ac40d2 | 149 | slirp_cleanup(s->slirp); |
67f3280c MAL |
150 | if (s->exit_notifier.notify) { |
151 | qemu_remove_exit_notifier(&s->exit_notifier); | |
152 | } | |
68ac40d2 MM |
153 | slirp_smb_cleanup(s); |
154 | QTAILQ_REMOVE(&slirp_stacks, s, entry); | |
68ac40d2 MM |
155 | } |
156 | ||
ce20b5be | 157 | static NetClientInfo net_slirp_info = { |
f394b2e2 | 158 | .type = NET_CLIENT_DRIVER_USER, |
ce20b5be MM |
159 | .size = sizeof(SlirpState), |
160 | .receive = net_slirp_receive, | |
161 | .cleanup = net_slirp_cleanup, | |
162 | }; | |
163 | ||
2addc8fb MAL |
164 | static void net_slirp_guest_error(const char *msg) |
165 | { | |
166 | qemu_log_mask(LOG_GUEST_ERROR, "%s", msg); | |
167 | } | |
168 | ||
e6dbff3f MAL |
169 | static int64_t net_slirp_clock_get_ns(void) |
170 | { | |
171 | return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
172 | } | |
173 | ||
07abf6d4 MAL |
174 | static void *net_slirp_timer_new(SlirpTimerCb cb, void *opaque) |
175 | { | |
176 | return timer_new_full(NULL, QEMU_CLOCK_VIRTUAL, | |
177 | SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL, | |
178 | cb, opaque); | |
179 | } | |
180 | ||
181 | static void net_slirp_timer_free(void *timer) | |
182 | { | |
183 | timer_del(timer); | |
184 | timer_free(timer); | |
185 | } | |
186 | ||
187 | static void net_slirp_timer_mod(void *timer, int64_t expire_timer) | |
188 | { | |
189 | timer_mod(timer, expire_timer); | |
190 | } | |
191 | ||
848c7092 MAL |
192 | static void net_slirp_register_poll_fd(int fd) |
193 | { | |
194 | qemu_fd_register(fd); | |
195 | } | |
196 | ||
f6e5aa36 MAL |
197 | static void net_slirp_unregister_poll_fd(int fd) |
198 | { | |
199 | /* no qemu_fd_unregister */ | |
200 | } | |
201 | ||
d846b927 | 202 | static const SlirpCb slirp_cb = { |
625a526b | 203 | .send_packet = net_slirp_send_packet, |
2addc8fb | 204 | .guest_error = net_slirp_guest_error, |
e6dbff3f | 205 | .clock_get_ns = net_slirp_clock_get_ns, |
07abf6d4 MAL |
206 | .timer_new = net_slirp_timer_new, |
207 | .timer_free = net_slirp_timer_free, | |
208 | .timer_mod = net_slirp_timer_mod, | |
848c7092 | 209 | .register_poll_fd = net_slirp_register_poll_fd, |
f6e5aa36 | 210 | .unregister_poll_fd = net_slirp_unregister_poll_fd, |
c21d9594 | 211 | .notify = qemu_notify_event, |
d846b927 MAL |
212 | }; |
213 | ||
1ab67b98 MAL |
214 | static void net_slirp_poll_notify(Notifier *notifier, void *data) |
215 | { | |
216 | MainLoopPoll *poll = data; | |
217 | SlirpState *s = container_of(notifier, SlirpState, poll_notifier); | |
218 | ||
219 | switch (poll->state) { | |
220 | case MAIN_LOOP_POLL_FILL: | |
221 | slirp_pollfds_fill(s->slirp, poll->pollfds, &poll->timeout); | |
222 | break; | |
223 | case MAIN_LOOP_POLL_OK: | |
224 | case MAIN_LOOP_POLL_ERR: | |
225 | slirp_pollfds_poll(s->slirp, poll->pollfds, | |
226 | poll->state == MAIN_LOOP_POLL_ERR); | |
227 | break; | |
228 | default: | |
229 | g_assert_not_reached(); | |
230 | } | |
231 | } | |
232 | ||
4e68f7a0 | 233 | static int net_slirp_init(NetClientState *peer, const char *model, |
68ac40d2 | 234 | const char *name, int restricted, |
0b11c036 ST |
235 | bool ipv4, const char *vnetwork, const char *vhost, |
236 | bool ipv6, const char *vprefix6, int vprefix6_len, | |
7aac531e | 237 | const char *vhost6, |
68ac40d2 MM |
238 | const char *vhostname, const char *tftp_export, |
239 | const char *bootfile, const char *vdhcp_start, | |
7aac531e YB |
240 | const char *vnameserver, const char *vnameserver6, |
241 | const char *smb_export, const char *vsmbserver, | |
f18d1375 | 242 | const char **dnssearch, const char *vdomainname, |
0fca92b9 | 243 | const char *tftp_server_name, |
f18d1375 | 244 | Error **errp) |
68ac40d2 MM |
245 | { |
246 | /* default settings according to historic slirp */ | |
247 | struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */ | |
248 | struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */ | |
249 | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ | |
250 | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ | |
251 | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ | |
7aac531e YB |
252 | struct in6_addr ip6_prefix; |
253 | struct in6_addr ip6_host; | |
254 | struct in6_addr ip6_dns; | |
68ac40d2 MM |
255 | #ifndef _WIN32 |
256 | struct in_addr smbsrv = { .s_addr = 0 }; | |
257 | #endif | |
4e68f7a0 | 258 | NetClientState *nc; |
68ac40d2 MM |
259 | SlirpState *s; |
260 | char buf[20]; | |
261 | uint32_t addr; | |
262 | int shift; | |
263 | char *end; | |
264 | struct slirp_config_str *config; | |
265 | ||
0b11c036 | 266 | if (!ipv4 && (vnetwork || vhost || vnameserver)) { |
5c843af2 | 267 | error_setg(errp, "IPv4 disabled but netmask/host/dns provided"); |
0b11c036 ST |
268 | return -1; |
269 | } | |
270 | ||
271 | if (!ipv6 && (vprefix6 || vhost6 || vnameserver6)) { | |
5c843af2 | 272 | error_setg(errp, "IPv6 disabled but prefix/host6/dns6 provided"); |
0b11c036 ST |
273 | return -1; |
274 | } | |
275 | ||
276 | if (!ipv4 && !ipv6) { | |
277 | /* It doesn't make sense to disable both */ | |
5c843af2 | 278 | error_setg(errp, "IPv4 and IPv6 disabled"); |
0b11c036 ST |
279 | return -1; |
280 | } | |
281 | ||
68ac40d2 MM |
282 | if (vnetwork) { |
283 | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { | |
284 | if (!inet_aton(vnetwork, &net)) { | |
5c843af2 | 285 | error_setg(errp, "Failed to parse netmask"); |
68ac40d2 MM |
286 | return -1; |
287 | } | |
288 | addr = ntohl(net.s_addr); | |
289 | if (!(addr & 0x80000000)) { | |
290 | mask.s_addr = htonl(0xff000000); /* class A */ | |
291 | } else if ((addr & 0xfff00000) == 0xac100000) { | |
292 | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ | |
293 | } else if ((addr & 0xc0000000) == 0x80000000) { | |
294 | mask.s_addr = htonl(0xffff0000); /* class B */ | |
295 | } else if ((addr & 0xffff0000) == 0xc0a80000) { | |
296 | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ | |
297 | } else if ((addr & 0xffff0000) == 0xc6120000) { | |
298 | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ | |
299 | } else if ((addr & 0xe0000000) == 0xe0000000) { | |
300 | mask.s_addr = htonl(0xffffff00); /* class C */ | |
301 | } else { | |
302 | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ | |
303 | } | |
304 | } else { | |
305 | if (!inet_aton(buf, &net)) { | |
5c843af2 | 306 | error_setg(errp, "Failed to parse netmask"); |
68ac40d2 MM |
307 | return -1; |
308 | } | |
309 | shift = strtol(vnetwork, &end, 10); | |
310 | if (*end != '\0') { | |
311 | if (!inet_aton(vnetwork, &mask)) { | |
5c843af2 HP |
312 | error_setg(errp, |
313 | "Failed to parse netmask (trailing chars)"); | |
68ac40d2 MM |
314 | return -1; |
315 | } | |
316 | } else if (shift < 4 || shift > 32) { | |
5c843af2 HP |
317 | error_setg(errp, |
318 | "Invalid netmask provided (must be in range 4-32)"); | |
68ac40d2 MM |
319 | return -1; |
320 | } else { | |
321 | mask.s_addr = htonl(0xffffffff << (32 - shift)); | |
322 | } | |
323 | } | |
324 | net.s_addr &= mask.s_addr; | |
325 | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr); | |
326 | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr); | |
327 | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr); | |
328 | } | |
329 | ||
330 | if (vhost && !inet_aton(vhost, &host)) { | |
5c843af2 | 331 | error_setg(errp, "Failed to parse host"); |
68ac40d2 MM |
332 | return -1; |
333 | } | |
334 | if ((host.s_addr & mask.s_addr) != net.s_addr) { | |
5c843af2 | 335 | error_setg(errp, "Host doesn't belong to network"); |
68ac40d2 MM |
336 | return -1; |
337 | } | |
338 | ||
68756ba8 | 339 | if (vnameserver && !inet_aton(vnameserver, &dns)) { |
5c843af2 | 340 | error_setg(errp, "Failed to parse DNS"); |
68ac40d2 MM |
341 | return -1; |
342 | } | |
5c843af2 HP |
343 | if ((dns.s_addr & mask.s_addr) != net.s_addr) { |
344 | error_setg(errp, "DNS doesn't belong to network"); | |
345 | return -1; | |
346 | } | |
347 | if (dns.s_addr == host.s_addr) { | |
348 | error_setg(errp, "DNS must be different from host"); | |
68ac40d2 MM |
349 | return -1; |
350 | } | |
351 | ||
68756ba8 | 352 | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) { |
5c843af2 | 353 | error_setg(errp, "Failed to parse DHCP start address"); |
68ac40d2 MM |
354 | return -1; |
355 | } | |
5c843af2 HP |
356 | if ((dhcp.s_addr & mask.s_addr) != net.s_addr) { |
357 | error_setg(errp, "DHCP doesn't belong to network"); | |
358 | return -1; | |
359 | } | |
360 | if (dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { | |
361 | error_setg(errp, "DNS must be different from host and DNS"); | |
68ac40d2 MM |
362 | return -1; |
363 | } | |
364 | ||
365 | #ifndef _WIN32 | |
366 | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) { | |
5c843af2 | 367 | error_setg(errp, "Failed to parse SMB address"); |
68ac40d2 MM |
368 | return -1; |
369 | } | |
370 | #endif | |
371 | ||
7aac531e YB |
372 | if (!vprefix6) { |
373 | vprefix6 = "fec0::"; | |
374 | } | |
375 | if (!inet_pton(AF_INET6, vprefix6, &ip6_prefix)) { | |
5c843af2 | 376 | error_setg(errp, "Failed to parse IPv6 prefix"); |
7aac531e YB |
377 | return -1; |
378 | } | |
7aac531e YB |
379 | |
380 | if (!vprefix6_len) { | |
381 | vprefix6_len = 64; | |
382 | } | |
383 | if (vprefix6_len < 0 || vprefix6_len > 126) { | |
5c843af2 HP |
384 | error_setg(errp, |
385 | "Invalid prefix provided (prefix len must be in range 0-126"); | |
7aac531e YB |
386 | return -1; |
387 | } | |
388 | ||
389 | if (vhost6) { | |
7aac531e | 390 | if (!inet_pton(AF_INET6, vhost6, &ip6_host)) { |
5c843af2 | 391 | error_setg(errp, "Failed to parse IPv6 host"); |
7aac531e YB |
392 | return -1; |
393 | } | |
394 | if (!in6_equal_net(&ip6_prefix, &ip6_host, vprefix6_len)) { | |
5c843af2 | 395 | error_setg(errp, "IPv6 Host doesn't belong to network"); |
7aac531e YB |
396 | return -1; |
397 | } | |
7aac531e YB |
398 | } else { |
399 | ip6_host = ip6_prefix; | |
400 | ip6_host.s6_addr[15] |= 2; | |
401 | } | |
402 | ||
403 | if (vnameserver6) { | |
7aac531e | 404 | if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) { |
5c843af2 | 405 | error_setg(errp, "Failed to parse IPv6 DNS"); |
7aac531e YB |
406 | return -1; |
407 | } | |
408 | if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) { | |
5c843af2 | 409 | error_setg(errp, "IPv6 DNS doesn't belong to network"); |
7aac531e YB |
410 | return -1; |
411 | } | |
7aac531e YB |
412 | } else { |
413 | ip6_dns = ip6_prefix; | |
414 | ip6_dns.s6_addr[15] |= 3; | |
415 | } | |
416 | ||
f18d1375 BD |
417 | if (vdomainname && !*vdomainname) { |
418 | error_setg(errp, "'domainname' parameter cannot be empty"); | |
419 | return -1; | |
420 | } | |
421 | ||
6e157a03 FZ |
422 | if (vdomainname && strlen(vdomainname) > 255) { |
423 | error_setg(errp, "'domainname' parameter cannot exceed 255 bytes"); | |
424 | return -1; | |
425 | } | |
426 | ||
427 | if (vhostname && strlen(vhostname) > 255) { | |
428 | error_setg(errp, "'vhostname' parameter cannot exceed 255 bytes"); | |
429 | return -1; | |
430 | } | |
7aac531e | 431 | |
0fca92b9 FZ |
432 | if (tftp_server_name && strlen(tftp_server_name) > 255) { |
433 | error_setg(errp, "'tftp-server-name' parameter cannot exceed 255 bytes"); | |
434 | return -1; | |
435 | } | |
436 | ||
ab5f3f84 | 437 | nc = qemu_new_net_client(&net_slirp_info, peer, model, name); |
ce20b5be MM |
438 | |
439 | snprintf(nc->info_str, sizeof(nc->info_str), | |
c54ed5bc JK |
440 | "net=%s,restrict=%s", inet_ntoa(net), |
441 | restricted ? "on" : "off"); | |
ce20b5be MM |
442 | |
443 | s = DO_UPCAST(SlirpState, nc, nc); | |
444 | ||
0b11c036 ST |
445 | s->slirp = slirp_init(restricted, ipv4, net, mask, host, |
446 | ipv6, ip6_prefix, vprefix6_len, ip6_host, | |
0fca92b9 FZ |
447 | vhostname, tftp_server_name, |
448 | tftp_export, bootfile, dhcp, | |
62c1d2c4 | 449 | dns, ip6_dns, dnssearch, vdomainname, |
d846b927 | 450 | &slirp_cb, s); |
68ac40d2 MM |
451 | QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
452 | ||
1ab67b98 MAL |
453 | s->poll_notifier.notify = net_slirp_poll_notify; |
454 | main_loop_poll_add_notifier(&s->poll_notifier); | |
455 | ||
68ac40d2 MM |
456 | for (config = slirp_configs; config; config = config->next) { |
457 | if (config->flags & SLIRP_CFG_HOSTFWD) { | |
d18572dd | 458 | if (slirp_hostfwd(s, config->str, errp) < 0) { |
ce20b5be | 459 | goto error; |
5c843af2 | 460 | } |
68ac40d2 | 461 | } else { |
d18572dd | 462 | if (slirp_guestfwd(s, config->str, errp) < 0) { |
ce20b5be | 463 | goto error; |
5c843af2 | 464 | } |
68ac40d2 MM |
465 | } |
466 | } | |
467 | #ifndef _WIN32 | |
68ac40d2 | 468 | if (smb_export) { |
5c843af2 | 469 | if (slirp_smb(s, smb_export, smbsrv, errp) < 0) { |
ce20b5be | 470 | goto error; |
5c843af2 | 471 | } |
68ac40d2 MM |
472 | } |
473 | #endif | |
474 | ||
f6c2e66a PB |
475 | s->exit_notifier.notify = slirp_smb_exit; |
476 | qemu_add_exit_notifier(&s->exit_notifier); | |
68ac40d2 | 477 | return 0; |
ce20b5be MM |
478 | |
479 | error: | |
b20c6b9e | 480 | qemu_del_net_client(nc); |
ce20b5be | 481 | return -1; |
68ac40d2 MM |
482 | } |
483 | ||
93653066 TH |
484 | static SlirpState *slirp_lookup(Monitor *mon, const char *hub_id, |
485 | const char *name) | |
68ac40d2 | 486 | { |
93653066 | 487 | if (name) { |
4e68f7a0 | 488 | NetClientState *nc; |
93653066 TH |
489 | if (hub_id) { |
490 | nc = net_hub_find_client_by_name(strtol(hub_id, NULL, 0), name); | |
491 | if (!nc) { | |
442da403 | 492 | monitor_printf(mon, "unrecognized (hub-id, stackname) pair\n"); |
93653066 TH |
493 | return NULL; |
494 | } | |
68cb29ea TH |
495 | warn_report("Using 'hub-id' is deprecated, specify the netdev id " |
496 | "directly instead"); | |
93653066 TH |
497 | } else { |
498 | nc = qemu_find_netdev(name); | |
499 | if (!nc) { | |
500 | monitor_printf(mon, "unrecognized netdev id '%s'\n", name); | |
501 | return NULL; | |
502 | } | |
68ac40d2 | 503 | } |
ce20b5be | 504 | if (strcmp(nc->model, "user")) { |
68ac40d2 MM |
505 | monitor_printf(mon, "invalid device specified\n"); |
506 | return NULL; | |
507 | } | |
ce20b5be | 508 | return DO_UPCAST(SlirpState, nc, nc); |
68ac40d2 MM |
509 | } else { |
510 | if (QTAILQ_EMPTY(&slirp_stacks)) { | |
511 | monitor_printf(mon, "user mode network stack not in use\n"); | |
512 | return NULL; | |
513 | } | |
514 | return QTAILQ_FIRST(&slirp_stacks); | |
515 | } | |
516 | } | |
517 | ||
3e5a50d6 | 518 | void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
519 | { |
520 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; | |
521 | int host_port; | |
e30e5eb6 | 522 | char buf[256]; |
68ac40d2 MM |
523 | const char *src_str, *p; |
524 | SlirpState *s; | |
525 | int is_udp = 0; | |
526 | int err; | |
527 | const char *arg1 = qdict_get_str(qdict, "arg1"); | |
528 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); | |
529 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); | |
530 | ||
93653066 | 531 | if (arg3) { |
68ac40d2 MM |
532 | s = slirp_lookup(mon, arg1, arg2); |
533 | src_str = arg3; | |
93653066 TH |
534 | } else if (arg2) { |
535 | s = slirp_lookup(mon, NULL, arg1); | |
536 | src_str = arg2; | |
68ac40d2 MM |
537 | } else { |
538 | s = slirp_lookup(mon, NULL, NULL); | |
539 | src_str = arg1; | |
540 | } | |
541 | if (!s) { | |
542 | return; | |
543 | } | |
544 | ||
68ac40d2 | 545 | p = src_str; |
e30e5eb6 MA |
546 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
547 | goto fail_syntax; | |
548 | } | |
68ac40d2 MM |
549 | |
550 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { | |
551 | is_udp = 0; | |
552 | } else if (!strcmp(buf, "udp")) { | |
553 | is_udp = 1; | |
554 | } else { | |
555 | goto fail_syntax; | |
556 | } | |
557 | ||
558 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
559 | goto fail_syntax; | |
560 | } | |
561 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { | |
562 | goto fail_syntax; | |
563 | } | |
564 | ||
1fb3f7f2 NA |
565 | if (qemu_strtoi(p, NULL, 10, &host_port)) { |
566 | goto fail_syntax; | |
567 | } | |
68ac40d2 | 568 | |
70381662 | 569 | err = slirp_remove_hostfwd(s->slirp, is_udp, host_addr, host_port); |
68ac40d2 MM |
570 | |
571 | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str, | |
b15ba6c9 | 572 | err ? "not found" : "removed"); |
68ac40d2 MM |
573 | return; |
574 | ||
575 | fail_syntax: | |
576 | monitor_printf(mon, "invalid format\n"); | |
577 | } | |
578 | ||
d18572dd | 579 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp) |
68ac40d2 MM |
580 | { |
581 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; | |
582 | struct in_addr guest_addr = { .s_addr = 0 }; | |
583 | int host_port, guest_port; | |
584 | const char *p; | |
585 | char buf[256]; | |
586 | int is_udp; | |
587 | char *end; | |
0e7e4fb0 | 588 | const char *fail_reason = "Unknown reason"; |
68ac40d2 MM |
589 | |
590 | p = redir_str; | |
591 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
0e7e4fb0 | 592 | fail_reason = "No : separators"; |
68ac40d2 MM |
593 | goto fail_syntax; |
594 | } | |
595 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { | |
596 | is_udp = 0; | |
597 | } else if (!strcmp(buf, "udp")) { | |
598 | is_udp = 1; | |
599 | } else { | |
0e7e4fb0 | 600 | fail_reason = "Bad protocol name"; |
68ac40d2 MM |
601 | goto fail_syntax; |
602 | } | |
603 | ||
d18572dd TH |
604 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
605 | fail_reason = "Missing : separator"; | |
606 | goto fail_syntax; | |
607 | } | |
608 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { | |
609 | fail_reason = "Bad host address"; | |
610 | goto fail_syntax; | |
68ac40d2 MM |
611 | } |
612 | ||
d18572dd | 613 | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
0e7e4fb0 | 614 | fail_reason = "Bad host port separator"; |
68ac40d2 MM |
615 | goto fail_syntax; |
616 | } | |
617 | host_port = strtol(buf, &end, 0); | |
0bed71ed | 618 | if (*end != '\0' || host_port < 0 || host_port > 65535) { |
0e7e4fb0 | 619 | fail_reason = "Bad host port"; |
68ac40d2 MM |
620 | goto fail_syntax; |
621 | } | |
622 | ||
623 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
0e7e4fb0 | 624 | fail_reason = "Missing guest address"; |
68ac40d2 MM |
625 | goto fail_syntax; |
626 | } | |
627 | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { | |
0e7e4fb0 | 628 | fail_reason = "Bad guest address"; |
68ac40d2 MM |
629 | goto fail_syntax; |
630 | } | |
631 | ||
632 | guest_port = strtol(p, &end, 0); | |
633 | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { | |
0e7e4fb0 | 634 | fail_reason = "Bad guest port"; |
68ac40d2 MM |
635 | goto fail_syntax; |
636 | } | |
637 | ||
638 | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr, | |
639 | guest_port) < 0) { | |
5c843af2 HP |
640 | error_setg(errp, "Could not set up host forwarding rule '%s'", |
641 | redir_str); | |
68ac40d2 MM |
642 | return -1; |
643 | } | |
644 | return 0; | |
645 | ||
646 | fail_syntax: | |
0e7e4fb0 DDAG |
647 | error_setg(errp, "Invalid host forwarding rule '%s' (%s)", redir_str, |
648 | fail_reason); | |
68ac40d2 MM |
649 | return -1; |
650 | } | |
651 | ||
3e5a50d6 | 652 | void hmp_hostfwd_add(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
653 | { |
654 | const char *redir_str; | |
655 | SlirpState *s; | |
656 | const char *arg1 = qdict_get_str(qdict, "arg1"); | |
657 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); | |
658 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); | |
659 | ||
93653066 | 660 | if (arg3) { |
68ac40d2 MM |
661 | s = slirp_lookup(mon, arg1, arg2); |
662 | redir_str = arg3; | |
93653066 TH |
663 | } else if (arg2) { |
664 | s = slirp_lookup(mon, NULL, arg1); | |
665 | redir_str = arg2; | |
68ac40d2 MM |
666 | } else { |
667 | s = slirp_lookup(mon, NULL, NULL); | |
668 | redir_str = arg1; | |
669 | } | |
670 | if (s) { | |
5c843af2 | 671 | Error *err = NULL; |
d18572dd | 672 | if (slirp_hostfwd(s, redir_str, &err) < 0) { |
5c843af2 HP |
673 | error_report_err(err); |
674 | } | |
68ac40d2 MM |
675 | } |
676 | ||
677 | } | |
678 | ||
68ac40d2 MM |
679 | #ifndef _WIN32 |
680 | ||
681 | /* automatic user mode samba server configuration */ | |
682 | static void slirp_smb_cleanup(SlirpState *s) | |
683 | { | |
5a01e99f | 684 | int ret; |
68ac40d2 | 685 | |
f95cc8b6 DDAG |
686 | if (s->smb_dir) { |
687 | gchar *cmd = g_strdup_printf("rm -rf %s", s->smb_dir); | |
5a01e99f | 688 | ret = system(cmd); |
24ac07de | 689 | if (ret == -1 || !WIFEXITED(ret)) { |
1ecda02b | 690 | error_report("'%s' failed.", cmd); |
5a01e99f | 691 | } else if (WEXITSTATUS(ret)) { |
1ecda02b MA |
692 | error_report("'%s' failed. Error code: %d", |
693 | cmd, WEXITSTATUS(ret)); | |
5a01e99f | 694 | } |
f95cc8b6 DDAG |
695 | g_free(cmd); |
696 | g_free(s->smb_dir); | |
697 | s->smb_dir = NULL; | |
68ac40d2 MM |
698 | } |
699 | } | |
700 | ||
701 | static int slirp_smb(SlirpState* s, const char *exported_dir, | |
5c843af2 | 702 | struct in_addr vserver_addr, Error **errp) |
68ac40d2 | 703 | { |
f95cc8b6 DDAG |
704 | char *smb_conf; |
705 | char *smb_cmdline; | |
1cb1c5d1 | 706 | struct passwd *passwd; |
68ac40d2 MM |
707 | FILE *f; |
708 | ||
1cb1c5d1 JK |
709 | passwd = getpwuid(geteuid()); |
710 | if (!passwd) { | |
5c843af2 | 711 | error_setg(errp, "Failed to retrieve user name"); |
1cb1c5d1 JK |
712 | return -1; |
713 | } | |
714 | ||
927d811b | 715 | if (access(CONFIG_SMBD_COMMAND, F_OK)) { |
5c843af2 HP |
716 | error_setg(errp, "Could not find '%s', please install it", |
717 | CONFIG_SMBD_COMMAND); | |
927d811b DH |
718 | return -1; |
719 | } | |
720 | ||
721 | if (access(exported_dir, R_OK | X_OK)) { | |
5c843af2 HP |
722 | error_setg(errp, "Error accessing shared directory '%s': %s", |
723 | exported_dir, strerror(errno)); | |
927d811b DH |
724 | return -1; |
725 | } | |
726 | ||
f95cc8b6 DDAG |
727 | s->smb_dir = g_dir_make_tmp("qemu-smb.XXXXXX", NULL); |
728 | if (!s->smb_dir) { | |
5c843af2 | 729 | error_setg(errp, "Could not create samba server dir"); |
68ac40d2 MM |
730 | return -1; |
731 | } | |
f95cc8b6 | 732 | smb_conf = g_strdup_printf("%s/%s", s->smb_dir, "smb.conf"); |
68ac40d2 MM |
733 | |
734 | f = fopen(smb_conf, "w"); | |
735 | if (!f) { | |
736 | slirp_smb_cleanup(s); | |
5c843af2 HP |
737 | error_setg(errp, |
738 | "Could not create samba server configuration file '%s'", | |
739 | smb_conf); | |
f95cc8b6 | 740 | g_free(smb_conf); |
68ac40d2 MM |
741 | return -1; |
742 | } | |
743 | fprintf(f, | |
744 | "[global]\n" | |
745 | "private dir=%s\n" | |
7912d04b PW |
746 | "interfaces=127.0.0.1\n" |
747 | "bind interfaces only=yes\n" | |
68ac40d2 MM |
748 | "pid directory=%s\n" |
749 | "lock directory=%s\n" | |
276eda57 | 750 | "state directory=%s\n" |
7912d04b | 751 | "cache directory=%s\n" |
b87b8a8b | 752 | "ncalrpc dir=%s/ncalrpc\n" |
68ac40d2 MM |
753 | "log file=%s/log.smbd\n" |
754 | "smb passwd file=%s/smbpasswd\n" | |
c2804ee6 MB |
755 | "security = user\n" |
756 | "map to guest = Bad User\n" | |
7912d04b PW |
757 | "load printers = no\n" |
758 | "printing = bsd\n" | |
759 | "disable spoolss = yes\n" | |
760 | "usershare max shares = 0\n" | |
68ac40d2 MM |
761 | "[qemu]\n" |
762 | "path=%s\n" | |
763 | "read only=no\n" | |
1cb1c5d1 JK |
764 | "guest ok=yes\n" |
765 | "force user=%s\n", | |
68ac40d2 MM |
766 | s->smb_dir, |
767 | s->smb_dir, | |
768 | s->smb_dir, | |
769 | s->smb_dir, | |
770 | s->smb_dir, | |
276eda57 | 771 | s->smb_dir, |
b87b8a8b | 772 | s->smb_dir, |
7912d04b | 773 | s->smb_dir, |
1cb1c5d1 JK |
774 | exported_dir, |
775 | passwd->pw_name | |
68ac40d2 MM |
776 | ); |
777 | fclose(f); | |
778 | ||
f95cc8b6 | 779 | smb_cmdline = g_strdup_printf("%s -l %s -s %s", |
44d8d2b2 | 780 | CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf); |
f95cc8b6 | 781 | g_free(smb_conf); |
68ac40d2 | 782 | |
44b4ff24 MAL |
783 | if (slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 139) < 0 || |
784 | slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 445) < 0) { | |
68ac40d2 | 785 | slirp_smb_cleanup(s); |
f95cc8b6 | 786 | g_free(smb_cmdline); |
5c843af2 | 787 | error_setg(errp, "Conflicting/invalid smbserver address"); |
68ac40d2 MM |
788 | return -1; |
789 | } | |
f95cc8b6 | 790 | g_free(smb_cmdline); |
68ac40d2 MM |
791 | return 0; |
792 | } | |
793 | ||
68ac40d2 MM |
794 | #endif /* !defined(_WIN32) */ |
795 | ||
68ac40d2 MM |
796 | static int guestfwd_can_read(void *opaque) |
797 | { | |
798 | struct GuestFwd *fwd = opaque; | |
799 | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port); | |
800 | } | |
801 | ||
802 | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) | |
803 | { | |
804 | struct GuestFwd *fwd = opaque; | |
805 | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); | |
806 | } | |
807 | ||
625a526b | 808 | static ssize_t guestfwd_write(const void *buf, size_t len, void *chr) |
44b4ff24 MAL |
809 | { |
810 | return qemu_chr_fe_write_all(chr, buf, len); | |
811 | } | |
812 | ||
d18572dd | 813 | static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp) |
68ac40d2 MM |
814 | { |
815 | struct in_addr server = { .s_addr = 0 }; | |
816 | struct GuestFwd *fwd; | |
817 | const char *p; | |
818 | char buf[128]; | |
819 | char *end; | |
820 | int port; | |
821 | ||
822 | p = config_str; | |
d18572dd TH |
823 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
824 | goto fail_syntax; | |
825 | } | |
826 | if (strcmp(buf, "tcp") && buf[0] != '\0') { | |
827 | goto fail_syntax; | |
828 | } | |
829 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { | |
830 | goto fail_syntax; | |
831 | } | |
832 | if (buf[0] != '\0' && !inet_aton(buf, &server)) { | |
833 | goto fail_syntax; | |
834 | } | |
835 | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { | |
836 | goto fail_syntax; | |
68ac40d2 MM |
837 | } |
838 | port = strtol(buf, &end, 10); | |
839 | if (*end != '\0' || port < 1 || port > 65535) { | |
840 | goto fail_syntax; | |
841 | } | |
842 | ||
a9899996 | 843 | snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port); |
68ac40d2 | 844 | |
3624730a | 845 | if (g_str_has_prefix(p, "cmd:")) { |
44b4ff24 | 846 | if (slirp_add_exec(s->slirp, &p[4], &server, port) < 0) { |
5c843af2 HP |
847 | error_setg(errp, "Conflicting/invalid host:port in guest " |
848 | "forwarding rule '%s'", config_str); | |
b412eb61 AG |
849 | return -1; |
850 | } | |
851 | } else { | |
32a6ebec | 852 | Error *err = NULL; |
95e30b2a MAL |
853 | /* |
854 | * FIXME: sure we want to support implicit | |
855 | * muxed monitors here? | |
856 | */ | |
857 | Chardev *chr = qemu_chr_new_mux_mon(buf, p); | |
32a6ebec MAL |
858 | |
859 | if (!chr) { | |
5c843af2 HP |
860 | error_setg(errp, "Could not open guest forwarding device '%s'", |
861 | buf); | |
32a6ebec MAL |
862 | return -1; |
863 | } | |
864 | ||
865 | fwd = g_new(struct GuestFwd, 1); | |
866 | qemu_chr_fe_init(&fwd->hd, chr, &err); | |
867 | if (err) { | |
5c843af2 | 868 | error_propagate(errp, err); |
8e207c32 | 869 | object_unparent(OBJECT(chr)); |
b412eb61 AG |
870 | g_free(fwd); |
871 | return -1; | |
872 | } | |
68ac40d2 | 873 | |
44b4ff24 MAL |
874 | if (slirp_add_guestfwd(s->slirp, guestfwd_write, &fwd->hd, |
875 | &server, port) < 0) { | |
5c843af2 HP |
876 | error_setg(errp, "Conflicting/invalid host:port in guest " |
877 | "forwarding rule '%s'", config_str); | |
8e207c32 | 878 | qemu_chr_fe_deinit(&fwd->hd, true); |
b412eb61 AG |
879 | g_free(fwd); |
880 | return -1; | |
881 | } | |
882 | fwd->server = server; | |
883 | fwd->port = port; | |
884 | fwd->slirp = s->slirp; | |
885 | ||
5345fdb4 | 886 | qemu_chr_fe_set_handlers(&fwd->hd, guestfwd_can_read, guestfwd_read, |
81517ba3 | 887 | NULL, NULL, fwd, NULL, true); |
8d45a3b9 | 888 | s->fwd = g_slist_append(s->fwd, fwd); |
b412eb61 | 889 | } |
68ac40d2 MM |
890 | return 0; |
891 | ||
892 | fail_syntax: | |
5c843af2 | 893 | error_setg(errp, "Invalid guest forwarding rule '%s'", config_str); |
68ac40d2 MM |
894 | return -1; |
895 | } | |
896 | ||
1ce6be24 | 897 | void hmp_info_usernet(Monitor *mon, const QDict *qdict) |
68ac40d2 MM |
898 | { |
899 | SlirpState *s; | |
900 | ||
901 | QTAILQ_FOREACH(s, &slirp_stacks, entry) { | |
90d87a33 | 902 | int id; |
442da403 | 903 | bool got_hub_id = net_hub_id_for_client(&s->nc, &id) == 0; |
b7f43bf2 MAL |
904 | char *info = slirp_connection_info(s->slirp); |
905 | monitor_printf(mon, "Hub %d (%s):\n%s", | |
442da403 | 906 | got_hub_id ? id : -1, |
b7f43bf2 MAL |
907 | s->nc.name, info); |
908 | g_free(info); | |
68ac40d2 MM |
909 | } |
910 | } | |
911 | ||
094f15c5 LE |
912 | static void |
913 | net_init_slirp_configs(const StringList *fwd, int flags) | |
68ac40d2 | 914 | { |
094f15c5 LE |
915 | while (fwd) { |
916 | struct slirp_config_str *config; | |
68ac40d2 | 917 | |
094f15c5 LE |
918 | config = g_malloc0(sizeof(*config)); |
919 | pstrcpy(config->str, sizeof(config->str), fwd->value->str); | |
920 | config->flags = flags; | |
921 | config->next = slirp_configs; | |
922 | slirp_configs = config; | |
68ac40d2 | 923 | |
094f15c5 | 924 | fwd = fwd->next; |
68ac40d2 | 925 | } |
68ac40d2 MM |
926 | } |
927 | ||
63d2960b KS |
928 | static const char **slirp_dnssearch(const StringList *dnsname) |
929 | { | |
930 | const StringList *c = dnsname; | |
931 | size_t i = 0, num_opts = 0; | |
932 | const char **ret; | |
933 | ||
934 | while (c) { | |
935 | num_opts++; | |
936 | c = c->next; | |
937 | } | |
938 | ||
939 | if (num_opts == 0) { | |
940 | return NULL; | |
941 | } | |
942 | ||
943 | ret = g_malloc((num_opts + 1) * sizeof(*ret)); | |
944 | c = dnsname; | |
945 | while (c) { | |
946 | ret[i++] = c->value->str; | |
947 | c = c->next; | |
948 | } | |
949 | ret[i] = NULL; | |
950 | return ret; | |
951 | } | |
952 | ||
cebea510 | 953 | int net_init_slirp(const Netdev *netdev, const char *name, |
a30ecde6 | 954 | NetClientState *peer, Error **errp) |
68ac40d2 MM |
955 | { |
956 | struct slirp_config_str *config; | |
094f15c5 | 957 | char *vnet; |
68ac40d2 | 958 | int ret; |
094f15c5 | 959 | const NetdevUserOptions *user; |
63d2960b | 960 | const char **dnssearch; |
0b11c036 | 961 | bool ipv4 = true, ipv6 = true; |
68ac40d2 | 962 | |
f394b2e2 EB |
963 | assert(netdev->type == NET_CLIENT_DRIVER_USER); |
964 | user = &netdev->u.user; | |
68ac40d2 | 965 | |
0b11c036 ST |
966 | if ((user->has_ipv6 && user->ipv6 && !user->has_ipv4) || |
967 | (user->has_ipv4 && !user->ipv4)) { | |
968 | ipv4 = 0; | |
969 | } | |
970 | if ((user->has_ipv4 && user->ipv4 && !user->has_ipv6) || | |
971 | (user->has_ipv6 && !user->ipv6)) { | |
972 | ipv6 = 0; | |
973 | } | |
974 | ||
094f15c5 LE |
975 | vnet = user->has_net ? g_strdup(user->net) : |
976 | user->has_ip ? g_strdup_printf("%s/24", user->ip) : | |
977 | NULL; | |
68ac40d2 | 978 | |
63d2960b KS |
979 | dnssearch = slirp_dnssearch(user->dnssearch); |
980 | ||
094f15c5 | 981 | /* all optional fields are initialized to "all bits zero" */ |
68ac40d2 | 982 | |
094f15c5 LE |
983 | net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD); |
984 | net_init_slirp_configs(user->guestfwd, 0); | |
68ac40d2 | 985 | |
0b11c036 ST |
986 | ret = net_slirp_init(peer, "user", name, user->q_restrict, |
987 | ipv4, vnet, user->host, | |
988 | ipv6, user->ipv6_prefix, user->ipv6_prefixlen, | |
d8eb3864 | 989 | user->ipv6_host, user->hostname, user->tftp, |
7aac531e | 990 | user->bootfile, user->dhcpstart, |
d8eb3864 | 991 | user->dns, user->ipv6_dns, user->smb, |
0fca92b9 FZ |
992 | user->smbserver, dnssearch, user->domainname, |
993 | user->tftp_server_name, errp); | |
68ac40d2 MM |
994 | |
995 | while (slirp_configs) { | |
996 | config = slirp_configs; | |
997 | slirp_configs = config->next; | |
7267c094 | 998 | g_free(config); |
68ac40d2 MM |
999 | } |
1000 | ||
7267c094 | 1001 | g_free(vnet); |
63d2960b | 1002 | g_free(dnssearch); |
68ac40d2 MM |
1003 | |
1004 | return ret; | |
1005 | } |