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Commit | Line | Data |
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63a01ef8 AL |
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 | */ | |
63a01ef8 AL |
24 | #include <unistd.h> |
25 | #include <fcntl.h> | |
26 | #include <signal.h> | |
27 | #include <time.h> | |
28 | #include <errno.h> | |
29 | #include <sys/time.h> | |
30 | #include <zlib.h> | |
31 | ||
179a2c19 | 32 | /* Needed early for HOST_BSD etc. */ |
d40cdb10 BS |
33 | #include "config-host.h" |
34 | ||
63a01ef8 AL |
35 | #ifndef _WIN32 |
36 | #include <sys/times.h> | |
37 | #include <sys/wait.h> | |
38 | #include <termios.h> | |
39 | #include <sys/mman.h> | |
40 | #include <sys/ioctl.h> | |
24646c7e | 41 | #include <sys/resource.h> |
63a01ef8 AL |
42 | #include <sys/socket.h> |
43 | #include <netinet/in.h> | |
24646c7e BS |
44 | #include <net/if.h> |
45 | #ifdef __NetBSD__ | |
46 | #include <net/if_tap.h> | |
47 | #endif | |
48 | #ifdef __linux__ | |
49 | #include <linux/if_tun.h> | |
50 | #endif | |
51 | #include <arpa/inet.h> | |
63a01ef8 AL |
52 | #include <dirent.h> |
53 | #include <netdb.h> | |
54 | #include <sys/select.h> | |
179a2c19 | 55 | #ifdef HOST_BSD |
63a01ef8 | 56 | #include <sys/stat.h> |
c5e97233 | 57 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
63a01ef8 | 58 | #include <libutil.h> |
24646c7e BS |
59 | #else |
60 | #include <util.h> | |
63a01ef8 AL |
61 | #endif |
62 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
63 | #include <freebsd/stdlib.h> | |
64 | #else | |
65 | #ifdef __linux__ | |
63a01ef8 AL |
66 | #include <pty.h> |
67 | #include <malloc.h> | |
68 | #include <linux/rtc.h> | |
69 | ||
70 | /* For the benefit of older linux systems which don't supply it, | |
71 | we use a local copy of hpet.h. */ | |
72 | /* #include <linux/hpet.h> */ | |
73 | #include "hpet.h" | |
74 | ||
75 | #include <linux/ppdev.h> | |
76 | #include <linux/parport.h> | |
77 | #endif | |
78 | #ifdef __sun__ | |
79 | #include <sys/stat.h> | |
80 | #include <sys/ethernet.h> | |
81 | #include <sys/sockio.h> | |
82 | #include <netinet/arp.h> | |
83 | #include <netinet/in.h> | |
84 | #include <netinet/in_systm.h> | |
85 | #include <netinet/ip.h> | |
86 | #include <netinet/ip_icmp.h> // must come after ip.h | |
87 | #include <netinet/udp.h> | |
88 | #include <netinet/tcp.h> | |
89 | #include <net/if.h> | |
90 | #include <syslog.h> | |
91 | #include <stropts.h> | |
92 | #endif | |
93 | #endif | |
94 | #endif | |
95 | ||
63a01ef8 AL |
96 | #if defined(__OpenBSD__) |
97 | #include <util.h> | |
98 | #endif | |
99 | ||
100 | #if defined(CONFIG_VDE) | |
101 | #include <libvdeplug.h> | |
102 | #endif | |
103 | ||
104 | #ifdef _WIN32 | |
49dc768d | 105 | #include <windows.h> |
63a01ef8 AL |
106 | #include <malloc.h> |
107 | #include <sys/timeb.h> | |
108 | #include <mmsystem.h> | |
109 | #define getopt_long_only getopt_long | |
110 | #define memalign(align, size) malloc(size) | |
111 | #endif | |
112 | ||
511d2b14 BS |
113 | #include "qemu-common.h" |
114 | #include "net.h" | |
115 | #include "monitor.h" | |
116 | #include "sysemu.h" | |
117 | #include "qemu-timer.h" | |
118 | #include "qemu-char.h" | |
119 | #include "audio/audio.h" | |
120 | #include "qemu_socket.h" | |
bb9ea79e | 121 | #include "qemu-log.h" |
511d2b14 BS |
122 | |
123 | #if defined(CONFIG_SLIRP) | |
124 | #include "libslirp.h" | |
125 | #endif | |
126 | ||
127 | ||
63a01ef8 AL |
128 | static VLANState *first_vlan; |
129 | ||
130 | /***********************************************************/ | |
131 | /* network device redirectors */ | |
132 | ||
133 | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP) | |
134 | static void hex_dump(FILE *f, const uint8_t *buf, int size) | |
135 | { | |
136 | int len, i, j, c; | |
137 | ||
138 | for(i=0;i<size;i+=16) { | |
139 | len = size - i; | |
140 | if (len > 16) | |
141 | len = 16; | |
142 | fprintf(f, "%08x ", i); | |
143 | for(j=0;j<16;j++) { | |
144 | if (j < len) | |
145 | fprintf(f, " %02x", buf[i+j]); | |
146 | else | |
147 | fprintf(f, " "); | |
148 | } | |
149 | fprintf(f, " "); | |
150 | for(j=0;j<len;j++) { | |
151 | c = buf[i+j]; | |
152 | if (c < ' ' || c > '~') | |
153 | c = '.'; | |
154 | fprintf(f, "%c", c); | |
155 | } | |
156 | fprintf(f, "\n"); | |
157 | } | |
158 | } | |
159 | #endif | |
160 | ||
161 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
162 | { | |
163 | int i; | |
164 | char *last_char; | |
165 | long int offset; | |
166 | ||
167 | errno = 0; | |
168 | offset = strtol(p, &last_char, 0); | |
169 | if (0 == errno && '\0' == *last_char && | |
170 | offset >= 0 && offset <= 0xFFFFFF) { | |
171 | macaddr[3] = (offset & 0xFF0000) >> 16; | |
172 | macaddr[4] = (offset & 0xFF00) >> 8; | |
173 | macaddr[5] = offset & 0xFF; | |
174 | return 0; | |
175 | } else { | |
176 | for(i = 0; i < 6; i++) { | |
177 | macaddr[i] = strtol(p, (char **)&p, 16); | |
178 | if (i == 5) { | |
179 | if (*p != '\0') | |
180 | return -1; | |
181 | } else { | |
182 | if (*p != ':' && *p != '-') | |
183 | return -1; | |
184 | p++; | |
185 | } | |
186 | } | |
187 | return 0; | |
188 | } | |
189 | ||
190 | return -1; | |
191 | } | |
192 | ||
193 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
194 | { | |
195 | const char *p, *p1; | |
196 | int len; | |
197 | p = *pp; | |
198 | p1 = strchr(p, sep); | |
199 | if (!p1) | |
200 | return -1; | |
201 | len = p1 - p; | |
202 | p1++; | |
203 | if (buf_size > 0) { | |
204 | if (len > buf_size - 1) | |
205 | len = buf_size - 1; | |
206 | memcpy(buf, p, len); | |
207 | buf[len] = '\0'; | |
208 | } | |
209 | *pp = p1; | |
210 | return 0; | |
211 | } | |
212 | ||
213 | int parse_host_src_port(struct sockaddr_in *haddr, | |
214 | struct sockaddr_in *saddr, | |
215 | const char *input_str) | |
216 | { | |
217 | char *str = strdup(input_str); | |
218 | char *host_str = str; | |
219 | char *src_str; | |
220 | const char *src_str2; | |
221 | char *ptr; | |
222 | ||
223 | /* | |
224 | * Chop off any extra arguments at the end of the string which | |
225 | * would start with a comma, then fill in the src port information | |
226 | * if it was provided else use the "any address" and "any port". | |
227 | */ | |
228 | if ((ptr = strchr(str,','))) | |
229 | *ptr = '\0'; | |
230 | ||
231 | if ((src_str = strchr(input_str,'@'))) { | |
232 | *src_str = '\0'; | |
233 | src_str++; | |
234 | } | |
235 | ||
236 | if (parse_host_port(haddr, host_str) < 0) | |
237 | goto fail; | |
238 | ||
239 | src_str2 = src_str; | |
240 | if (!src_str || *src_str == '\0') | |
241 | src_str2 = ":0"; | |
242 | ||
243 | if (parse_host_port(saddr, src_str2) < 0) | |
244 | goto fail; | |
245 | ||
246 | free(str); | |
247 | return(0); | |
248 | ||
249 | fail: | |
250 | free(str); | |
251 | return -1; | |
252 | } | |
253 | ||
254 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
255 | { | |
256 | char buf[512]; | |
257 | struct hostent *he; | |
258 | const char *p, *r; | |
259 | int port; | |
260 | ||
261 | p = str; | |
262 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
263 | return -1; | |
264 | saddr->sin_family = AF_INET; | |
265 | if (buf[0] == '\0') { | |
266 | saddr->sin_addr.s_addr = 0; | |
267 | } else { | |
cd390083 | 268 | if (qemu_isdigit(buf[0])) { |
63a01ef8 AL |
269 | if (!inet_aton(buf, &saddr->sin_addr)) |
270 | return -1; | |
271 | } else { | |
272 | if ((he = gethostbyname(buf)) == NULL) | |
273 | return - 1; | |
274 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
275 | } | |
276 | } | |
277 | port = strtol(p, (char **)&r, 0); | |
278 | if (r == p) | |
279 | return -1; | |
280 | saddr->sin_port = htons(port); | |
281 | return 0; | |
282 | } | |
283 | ||
69d6451c BS |
284 | #if !defined(_WIN32) && 0 |
285 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
63a01ef8 AL |
286 | { |
287 | const char *p; | |
288 | int len; | |
289 | ||
290 | len = MIN(108, strlen(str)); | |
291 | p = strchr(str, ','); | |
292 | if (p) | |
293 | len = MIN(len, p - str); | |
294 | ||
295 | memset(uaddr, 0, sizeof(*uaddr)); | |
296 | ||
297 | uaddr->sun_family = AF_UNIX; | |
298 | memcpy(uaddr->sun_path, str, len); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | #endif | |
303 | ||
7cb7434b AL |
304 | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
305 | { | |
306 | snprintf(vc->info_str, sizeof(vc->info_str), | |
4dda4063 AL |
307 | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x", |
308 | vc->model, | |
7cb7434b AL |
309 | macaddr[0], macaddr[1], macaddr[2], |
310 | macaddr[3], macaddr[4], macaddr[5]); | |
311 | } | |
312 | ||
676cff29 AL |
313 | static char *assign_name(VLANClientState *vc1, const char *model) |
314 | { | |
315 | VLANState *vlan; | |
316 | char buf[256]; | |
317 | int id = 0; | |
318 | ||
319 | for (vlan = first_vlan; vlan; vlan = vlan->next) { | |
320 | VLANClientState *vc; | |
321 | ||
322 | for (vc = vlan->first_client; vc; vc = vc->next) | |
323 | if (vc != vc1 && strcmp(vc->model, model) == 0) | |
324 | id++; | |
325 | } | |
326 | ||
327 | snprintf(buf, sizeof(buf), "%s.%d", model, id); | |
328 | ||
329 | return strdup(buf); | |
330 | } | |
331 | ||
63a01ef8 | 332 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
bf38c1a0 | 333 | const char *model, |
7a9f6e4a | 334 | const char *name, |
63a01ef8 AL |
335 | IOReadHandler *fd_read, |
336 | IOCanRWHandler *fd_can_read, | |
b946a153 | 337 | NetCleanup *cleanup, |
63a01ef8 AL |
338 | void *opaque) |
339 | { | |
340 | VLANClientState *vc, **pvc; | |
341 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
bf38c1a0 | 342 | vc->model = strdup(model); |
7a9f6e4a AL |
343 | if (name) |
344 | vc->name = strdup(name); | |
345 | else | |
346 | vc->name = assign_name(vc, model); | |
63a01ef8 AL |
347 | vc->fd_read = fd_read; |
348 | vc->fd_can_read = fd_can_read; | |
b946a153 | 349 | vc->cleanup = cleanup; |
63a01ef8 AL |
350 | vc->opaque = opaque; |
351 | vc->vlan = vlan; | |
352 | ||
353 | vc->next = NULL; | |
354 | pvc = &vlan->first_client; | |
355 | while (*pvc != NULL) | |
356 | pvc = &(*pvc)->next; | |
357 | *pvc = vc; | |
358 | return vc; | |
359 | } | |
360 | ||
361 | void qemu_del_vlan_client(VLANClientState *vc) | |
362 | { | |
363 | VLANClientState **pvc = &vc->vlan->first_client; | |
364 | ||
365 | while (*pvc != NULL) | |
366 | if (*pvc == vc) { | |
367 | *pvc = vc->next; | |
b946a153 AL |
368 | if (vc->cleanup) { |
369 | vc->cleanup(vc); | |
370 | } | |
676cff29 | 371 | free(vc->name); |
bf38c1a0 | 372 | free(vc->model); |
dad35419 | 373 | qemu_free(vc); |
63a01ef8 AL |
374 | break; |
375 | } else | |
376 | pvc = &(*pvc)->next; | |
377 | } | |
378 | ||
8b13c4a7 AL |
379 | VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque) |
380 | { | |
381 | VLANClientState **pvc = &vlan->first_client; | |
382 | ||
383 | while (*pvc != NULL) | |
384 | if ((*pvc)->opaque == opaque) | |
385 | return *pvc; | |
386 | else | |
387 | pvc = &(*pvc)->next; | |
388 | ||
389 | return NULL; | |
390 | } | |
391 | ||
63a01ef8 AL |
392 | int qemu_can_send_packet(VLANClientState *vc1) |
393 | { | |
394 | VLANState *vlan = vc1->vlan; | |
395 | VLANClientState *vc; | |
396 | ||
397 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
398 | if (vc != vc1) { | |
399 | if (vc->fd_can_read && vc->fd_can_read(vc->opaque)) | |
400 | return 1; | |
401 | } | |
402 | } | |
403 | return 0; | |
404 | } | |
405 | ||
764a4d1d AL |
406 | static void |
407 | qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size) | |
63a01ef8 | 408 | { |
63a01ef8 AL |
409 | VLANClientState *vc; |
410 | ||
764a4d1d AL |
411 | for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) { |
412 | if (vc != sender && !vc->link_down) { | |
413 | vc->fd_read(vc->opaque, buf, size); | |
414 | } | |
415 | } | |
416 | } | |
417 | ||
418 | void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size) | |
419 | { | |
420 | VLANState *vlan = vc->vlan; | |
421 | VLANPacket *packet; | |
422 | ||
423 | if (vc->link_down) | |
436e5e53 AL |
424 | return; |
425 | ||
63a01ef8 AL |
426 | #ifdef DEBUG_NET |
427 | printf("vlan %d send:\n", vlan->id); | |
428 | hex_dump(stdout, buf, size); | |
429 | #endif | |
764a4d1d AL |
430 | if (vlan->delivering) { |
431 | packet = qemu_malloc(sizeof(VLANPacket) + size); | |
432 | packet->next = vlan->send_queue; | |
433 | packet->sender = vc; | |
434 | packet->size = size; | |
435 | memcpy(packet->data, buf, size); | |
436 | vlan->send_queue = packet; | |
437 | } else { | |
438 | vlan->delivering = 1; | |
439 | qemu_deliver_packet(vc, buf, size); | |
440 | while ((packet = vlan->send_queue) != NULL) { | |
764a4d1d | 441 | vlan->send_queue = packet->next; |
c27ff608 | 442 | qemu_deliver_packet(packet->sender, packet->data, packet->size); |
764a4d1d | 443 | qemu_free(packet); |
63a01ef8 | 444 | } |
764a4d1d | 445 | vlan->delivering = 0; |
63a01ef8 AL |
446 | } |
447 | } | |
448 | ||
fbe78f4f AL |
449 | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
450 | int iovcnt) | |
451 | { | |
452 | uint8_t buffer[4096]; | |
453 | size_t offset = 0; | |
454 | int i; | |
455 | ||
456 | for (i = 0; i < iovcnt; i++) { | |
457 | size_t len; | |
458 | ||
459 | len = MIN(sizeof(buffer) - offset, iov[i].iov_len); | |
460 | memcpy(buffer + offset, iov[i].iov_base, len); | |
461 | offset += len; | |
462 | } | |
463 | ||
464 | vc->fd_read(vc->opaque, buffer, offset); | |
465 | ||
466 | return offset; | |
467 | } | |
468 | ||
e0e7877a AL |
469 | static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) |
470 | { | |
471 | size_t offset = 0; | |
472 | int i; | |
473 | ||
474 | for (i = 0; i < iovcnt; i++) | |
475 | offset += iov[i].iov_len; | |
476 | return offset; | |
477 | } | |
478 | ||
c27ff608 | 479 | ssize_t qemu_sendv_packet(VLANClientState *sender, const struct iovec *iov, |
fbe78f4f AL |
480 | int iovcnt) |
481 | { | |
c27ff608 | 482 | VLANState *vlan = sender->vlan; |
fbe78f4f | 483 | VLANClientState *vc; |
c27ff608 | 484 | VLANPacket *packet; |
fbe78f4f | 485 | ssize_t max_len = 0; |
c27ff608 | 486 | int i; |
fbe78f4f | 487 | |
c27ff608 | 488 | if (sender->link_down) |
e0e7877a AL |
489 | return calc_iov_length(iov, iovcnt); |
490 | ||
c27ff608 JK |
491 | if (vlan->delivering) { |
492 | max_len = calc_iov_length(iov, iovcnt); | |
493 | ||
494 | packet = qemu_malloc(sizeof(VLANPacket) + max_len); | |
495 | packet->next = vlan->send_queue; | |
496 | packet->sender = sender; | |
497 | packet->size = 0; | |
498 | for (i = 0; i < iovcnt; i++) { | |
499 | size_t len = iov[i].iov_len; | |
500 | ||
501 | memcpy(packet->data + packet->size, iov[i].iov_base, len); | |
502 | packet->size += len; | |
503 | } | |
504 | vlan->send_queue = packet; | |
505 | } else { | |
506 | vlan->delivering = 1; | |
fbe78f4f | 507 | |
c27ff608 JK |
508 | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
509 | ssize_t len = 0; | |
fbe78f4f | 510 | |
c27ff608 JK |
511 | if (vc == sender) { |
512 | continue; | |
513 | } | |
514 | if (vc->link_down) { | |
515 | len = calc_iov_length(iov, iovcnt); | |
516 | } else if (vc->fd_readv) { | |
517 | len = vc->fd_readv(vc->opaque, iov, iovcnt); | |
518 | } else if (vc->fd_read) { | |
519 | len = vc_sendv_compat(vc, iov, iovcnt); | |
520 | } | |
521 | max_len = MAX(max_len, len); | |
522 | } | |
fbe78f4f | 523 | |
c27ff608 JK |
524 | while ((packet = vlan->send_queue) != NULL) { |
525 | vlan->send_queue = packet->next; | |
526 | qemu_deliver_packet(packet->sender, packet->data, packet->size); | |
527 | qemu_free(packet); | |
528 | } | |
529 | vlan->delivering = 0; | |
fbe78f4f AL |
530 | } |
531 | ||
532 | return max_len; | |
533 | } | |
534 | ||
10ae5a7a JK |
535 | static void config_error(Monitor *mon, const char *fmt, ...) |
536 | { | |
537 | va_list ap; | |
538 | ||
539 | va_start(ap, fmt); | |
540 | if (mon) { | |
541 | monitor_vprintf(mon, fmt, ap); | |
542 | } else { | |
543 | fprintf(stderr, "qemu: "); | |
544 | vfprintf(stderr, fmt, ap); | |
545 | exit(1); | |
546 | } | |
547 | va_end(ap); | |
548 | } | |
549 | ||
63a01ef8 AL |
550 | #if defined(CONFIG_SLIRP) |
551 | ||
552 | /* slirp network adapter */ | |
553 | ||
b8e8af38 JK |
554 | struct slirp_config_str { |
555 | struct slirp_config_str *next; | |
556 | const char *str; | |
557 | }; | |
558 | ||
63a01ef8 | 559 | static int slirp_inited; |
b8e8af38 JK |
560 | static struct slirp_config_str *slirp_redirs; |
561 | #ifndef _WIN32 | |
562 | static const char *slirp_smb_export; | |
563 | #endif | |
63a01ef8 AL |
564 | static VLANClientState *slirp_vc; |
565 | ||
b8e8af38 JK |
566 | static void slirp_smb(const char *exported_dir); |
567 | static void slirp_redirection(Monitor *mon, const char *redir_str); | |
568 | ||
63a01ef8 AL |
569 | int slirp_can_output(void) |
570 | { | |
571 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
572 | } | |
573 | ||
574 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
575 | { | |
576 | #ifdef DEBUG_SLIRP | |
577 | printf("slirp output:\n"); | |
578 | hex_dump(stdout, pkt, pkt_len); | |
579 | #endif | |
580 | if (!slirp_vc) | |
581 | return; | |
582 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
583 | } | |
584 | ||
585 | int slirp_is_inited(void) | |
586 | { | |
587 | return slirp_inited; | |
588 | } | |
589 | ||
590 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
591 | { | |
592 | #ifdef DEBUG_SLIRP | |
593 | printf("slirp input:\n"); | |
594 | hex_dump(stdout, buf, size); | |
595 | #endif | |
596 | slirp_input(buf, size); | |
597 | } | |
598 | ||
8d6249a7 AL |
599 | static int slirp_in_use; |
600 | ||
601 | static void net_slirp_cleanup(VLANClientState *vc) | |
602 | { | |
603 | slirp_in_use = 0; | |
604 | } | |
605 | ||
b8e8af38 JK |
606 | static int net_slirp_init(VLANState *vlan, const char *model, const char *name, |
607 | int restricted, const char *ip) | |
63a01ef8 | 608 | { |
8d6249a7 AL |
609 | if (slirp_in_use) { |
610 | /* slirp only supports a single instance so far */ | |
611 | return -1; | |
612 | } | |
63a01ef8 AL |
613 | if (!slirp_inited) { |
614 | slirp_inited = 1; | |
b8e8af38 JK |
615 | slirp_init(restricted, ip); |
616 | ||
617 | while (slirp_redirs) { | |
618 | struct slirp_config_str *config = slirp_redirs; | |
619 | ||
620 | slirp_redirection(NULL, config->str); | |
621 | slirp_redirs = config->next; | |
622 | qemu_free(config); | |
623 | } | |
624 | #ifndef _WIN32 | |
625 | if (slirp_smb_export) { | |
626 | slirp_smb(slirp_smb_export); | |
627 | } | |
628 | #endif | |
63a01ef8 | 629 | } |
b8e8af38 JK |
630 | |
631 | slirp_vc = qemu_new_vlan_client(vlan, model, name, slirp_receive, | |
632 | NULL, net_slirp_cleanup, NULL); | |
7cb7434b | 633 | slirp_vc->info_str[0] = '\0'; |
8d6249a7 | 634 | slirp_in_use = 1; |
63a01ef8 AL |
635 | return 0; |
636 | } | |
637 | ||
1c6ed9f3 AG |
638 | static void net_slirp_redir_print(void *opaque, int is_udp, |
639 | struct in_addr *laddr, u_int lport, | |
640 | struct in_addr *faddr, u_int fport) | |
641 | { | |
642 | Monitor *mon = (Monitor *)opaque; | |
643 | uint32_t h_addr; | |
644 | uint32_t g_addr; | |
645 | char buf[16]; | |
646 | ||
647 | h_addr = ntohl(faddr->s_addr); | |
648 | g_addr = ntohl(laddr->s_addr); | |
649 | ||
650 | monitor_printf(mon, " %s |", is_udp ? "udp" : "tcp" ); | |
651 | snprintf(buf, 15, "%d.%d.%d.%d", (h_addr >> 24) & 0xff, | |
652 | (h_addr >> 16) & 0xff, | |
653 | (h_addr >> 8) & 0xff, | |
654 | (h_addr) & 0xff); | |
655 | monitor_printf(mon, " %15s |", buf); | |
656 | monitor_printf(mon, " %5d |", fport); | |
657 | ||
658 | snprintf(buf, 15, "%d.%d.%d.%d", (g_addr >> 24) & 0xff, | |
659 | (g_addr >> 16) & 0xff, | |
660 | (g_addr >> 8) & 0xff, | |
661 | (g_addr) & 0xff); | |
662 | monitor_printf(mon, " %15s |", buf); | |
663 | monitor_printf(mon, " %5d\n", lport); | |
664 | ||
665 | } | |
666 | ||
667 | static void net_slirp_redir_list(Monitor *mon) | |
668 | { | |
669 | if (!mon) | |
670 | return; | |
671 | ||
672 | monitor_printf(mon, " Prot | Host Addr | HPort | Guest Addr | GPort\n"); | |
673 | monitor_printf(mon, " | | | | \n"); | |
674 | slirp_redir_loop(net_slirp_redir_print, mon); | |
675 | } | |
676 | ||
c1261d8d AG |
677 | static void net_slirp_redir_rm(Monitor *mon, const char *port_str) |
678 | { | |
679 | int host_port; | |
680 | char buf[256] = ""; | |
681 | const char *p = port_str; | |
682 | int is_udp = 0; | |
683 | int n; | |
684 | ||
685 | if (!mon) | |
686 | return; | |
687 | ||
688 | if (!port_str || !port_str[0]) | |
689 | goto fail_syntax; | |
690 | ||
691 | get_str_sep(buf, sizeof(buf), &p, ':'); | |
692 | ||
693 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { | |
694 | is_udp = 0; | |
695 | } else if (!strcmp(buf, "udp")) { | |
696 | is_udp = 1; | |
697 | } else { | |
698 | goto fail_syntax; | |
699 | } | |
700 | ||
701 | host_port = atoi(p); | |
702 | ||
703 | n = slirp_redir_rm(is_udp, host_port); | |
704 | ||
705 | monitor_printf(mon, "removed %d redirections to %s port %d\n", n, | |
706 | is_udp ? "udp" : "tcp", host_port); | |
707 | return; | |
708 | ||
709 | fail_syntax: | |
710 | monitor_printf(mon, "invalid format\n"); | |
711 | } | |
712 | ||
b8e8af38 | 713 | static void slirp_redirection(Monitor *mon, const char *redir_str) |
63a01ef8 | 714 | { |
63a01ef8 AL |
715 | struct in_addr guest_addr; |
716 | int host_port, guest_port; | |
b8e8af38 JK |
717 | const char *p; |
718 | char buf[256], *r; | |
719 | int is_udp; | |
1c6ed9f3 | 720 | |
63a01ef8 | 721 | p = redir_str; |
b8e8af38 | 722 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
d4ebe193 | 723 | goto fail_syntax; |
b8e8af38 | 724 | } |
d4ebe193 | 725 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
63a01ef8 AL |
726 | is_udp = 0; |
727 | } else if (!strcmp(buf, "udp")) { | |
728 | is_udp = 1; | |
729 | } else { | |
d4ebe193 | 730 | goto fail_syntax; |
63a01ef8 AL |
731 | } |
732 | ||
b8e8af38 | 733 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
d4ebe193 | 734 | goto fail_syntax; |
b8e8af38 | 735 | } |
63a01ef8 | 736 | host_port = strtol(buf, &r, 0); |
b8e8af38 | 737 | if (r == buf) { |
d4ebe193 | 738 | goto fail_syntax; |
b8e8af38 | 739 | } |
63a01ef8 | 740 | |
b8e8af38 | 741 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
d4ebe193 | 742 | goto fail_syntax; |
b8e8af38 | 743 | } |
63a01ef8 AL |
744 | if (buf[0] == '\0') { |
745 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
746 | } | |
b8e8af38 | 747 | if (!inet_aton(buf, &guest_addr)) { |
d4ebe193 | 748 | goto fail_syntax; |
b8e8af38 | 749 | } |
63a01ef8 AL |
750 | |
751 | guest_port = strtol(p, &r, 0); | |
b8e8af38 | 752 | if (r == p) { |
d4ebe193 | 753 | goto fail_syntax; |
b8e8af38 | 754 | } |
63a01ef8 AL |
755 | |
756 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
10ae5a7a | 757 | config_error(mon, "could not set up redirection '%s'\n", redir_str); |
63a01ef8 AL |
758 | } |
759 | return; | |
d4ebe193 AL |
760 | |
761 | fail_syntax: | |
10ae5a7a | 762 | config_error(mon, "invalid redirection format '%s'\n", redir_str); |
63a01ef8 AL |
763 | } |
764 | ||
b8e8af38 JK |
765 | void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2) |
766 | { | |
767 | struct slirp_config_str *config; | |
768 | ||
769 | if (!slirp_inited) { | |
770 | if (mon) { | |
771 | monitor_printf(mon, "user mode network stack not in use\n"); | |
772 | } else { | |
773 | config = qemu_malloc(sizeof(*config)); | |
774 | config->str = redir_str; | |
775 | config->next = slirp_redirs; | |
776 | slirp_redirs = config; | |
777 | } | |
778 | return; | |
779 | } | |
780 | ||
781 | if (!strcmp(redir_str, "remove")) { | |
782 | net_slirp_redir_rm(mon, redir_opt2); | |
783 | return; | |
784 | } | |
785 | ||
786 | if (!strcmp(redir_str, "list")) { | |
787 | net_slirp_redir_list(mon); | |
788 | return; | |
789 | } | |
790 | ||
791 | slirp_redirection(mon, redir_str); | |
792 | } | |
793 | ||
63a01ef8 AL |
794 | #ifndef _WIN32 |
795 | ||
796 | static char smb_dir[1024]; | |
797 | ||
798 | static void erase_dir(char *dir_name) | |
799 | { | |
800 | DIR *d; | |
801 | struct dirent *de; | |
802 | char filename[1024]; | |
803 | ||
804 | /* erase all the files in the directory */ | |
511d2b14 | 805 | if ((d = opendir(dir_name)) != NULL) { |
63a01ef8 AL |
806 | for(;;) { |
807 | de = readdir(d); | |
808 | if (!de) | |
809 | break; | |
810 | if (strcmp(de->d_name, ".") != 0 && | |
811 | strcmp(de->d_name, "..") != 0) { | |
812 | snprintf(filename, sizeof(filename), "%s/%s", | |
813 | smb_dir, de->d_name); | |
814 | if (unlink(filename) != 0) /* is it a directory? */ | |
815 | erase_dir(filename); | |
816 | } | |
817 | } | |
818 | closedir(d); | |
819 | rmdir(dir_name); | |
820 | } | |
821 | } | |
822 | ||
823 | /* automatic user mode samba server configuration */ | |
824 | static void smb_exit(void) | |
825 | { | |
826 | erase_dir(smb_dir); | |
827 | } | |
828 | ||
b8e8af38 | 829 | static void slirp_smb(const char *exported_dir) |
63a01ef8 AL |
830 | { |
831 | char smb_conf[1024]; | |
832 | char smb_cmdline[1024]; | |
833 | FILE *f; | |
834 | ||
63a01ef8 | 835 | /* XXX: better tmp dir construction */ |
3f4cb3d3 | 836 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%ld", (long)getpid()); |
63a01ef8 AL |
837 | if (mkdir(smb_dir, 0700) < 0) { |
838 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
839 | exit(1); | |
840 | } | |
841 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
842 | ||
843 | f = fopen(smb_conf, "w"); | |
844 | if (!f) { | |
845 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
846 | exit(1); | |
847 | } | |
848 | fprintf(f, | |
849 | "[global]\n" | |
850 | "private dir=%s\n" | |
851 | "smb ports=0\n" | |
852 | "socket address=127.0.0.1\n" | |
853 | "pid directory=%s\n" | |
854 | "lock directory=%s\n" | |
855 | "log file=%s/log.smbd\n" | |
856 | "smb passwd file=%s/smbpasswd\n" | |
857 | "security = share\n" | |
858 | "[qemu]\n" | |
859 | "path=%s\n" | |
860 | "read only=no\n" | |
861 | "guest ok=yes\n", | |
862 | smb_dir, | |
863 | smb_dir, | |
864 | smb_dir, | |
865 | smb_dir, | |
866 | smb_dir, | |
867 | exported_dir | |
868 | ); | |
869 | fclose(f); | |
870 | atexit(smb_exit); | |
871 | ||
872 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", | |
873 | SMBD_COMMAND, smb_conf); | |
874 | ||
875 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
876 | } | |
877 | ||
b8e8af38 JK |
878 | /* automatic user mode samba server configuration */ |
879 | void net_slirp_smb(const char *exported_dir) | |
880 | { | |
881 | if (slirp_smb_export) { | |
882 | fprintf(stderr, "-smb given twice\n"); | |
883 | exit(1); | |
884 | } | |
885 | slirp_smb_export = exported_dir; | |
886 | if (slirp_inited) { | |
887 | slirp_smb(exported_dir); | |
888 | } | |
889 | } | |
890 | ||
63a01ef8 | 891 | #endif /* !defined(_WIN32) */ |
b8e8af38 | 892 | |
376253ec | 893 | void do_info_slirp(Monitor *mon) |
63a01ef8 AL |
894 | { |
895 | slirp_stats(); | |
896 | } | |
897 | ||
8ca9217d AL |
898 | struct VMChannel { |
899 | CharDriverState *hd; | |
900 | int port; | |
511d2b14 | 901 | }; |
8ca9217d AL |
902 | |
903 | static int vmchannel_can_read(void *opaque) | |
904 | { | |
905 | struct VMChannel *vmc = (struct VMChannel*)opaque; | |
906 | return slirp_socket_can_recv(4, vmc->port); | |
907 | } | |
908 | ||
909 | static void vmchannel_read(void *opaque, const uint8_t *buf, int size) | |
910 | { | |
911 | struct VMChannel *vmc = (struct VMChannel*)opaque; | |
912 | slirp_socket_recv(4, vmc->port, buf, size); | |
913 | } | |
914 | ||
63a01ef8 AL |
915 | #endif /* CONFIG_SLIRP */ |
916 | ||
917 | #if !defined(_WIN32) | |
918 | ||
919 | typedef struct TAPState { | |
920 | VLANClientState *vc; | |
921 | int fd; | |
922 | char down_script[1024]; | |
973cbd37 | 923 | char down_script_arg[128]; |
63a01ef8 AL |
924 | } TAPState; |
925 | ||
b946a153 AL |
926 | static int launch_script(const char *setup_script, const char *ifname, int fd); |
927 | ||
b535b7b2 AL |
928 | static ssize_t tap_receive_iov(void *opaque, const struct iovec *iov, |
929 | int iovcnt) | |
930 | { | |
931 | TAPState *s = opaque; | |
932 | ssize_t len; | |
933 | ||
934 | do { | |
935 | len = writev(s->fd, iov, iovcnt); | |
936 | } while (len == -1 && (errno == EINTR || errno == EAGAIN)); | |
937 | ||
938 | return len; | |
939 | } | |
b535b7b2 | 940 | |
63a01ef8 AL |
941 | static void tap_receive(void *opaque, const uint8_t *buf, int size) |
942 | { | |
943 | TAPState *s = opaque; | |
944 | int ret; | |
945 | for(;;) { | |
946 | ret = write(s->fd, buf, size); | |
947 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
948 | } else { | |
949 | break; | |
950 | } | |
951 | } | |
952 | } | |
953 | ||
954 | static void tap_send(void *opaque) | |
955 | { | |
956 | TAPState *s = opaque; | |
957 | uint8_t buf[4096]; | |
958 | int size; | |
959 | ||
960 | #ifdef __sun__ | |
961 | struct strbuf sbuf; | |
962 | int f = 0; | |
963 | sbuf.maxlen = sizeof(buf); | |
3f4cb3d3 | 964 | sbuf.buf = (char *)buf; |
63a01ef8 AL |
965 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; |
966 | #else | |
967 | size = read(s->fd, buf, sizeof(buf)); | |
968 | #endif | |
969 | if (size > 0) { | |
970 | qemu_send_packet(s->vc, buf, size); | |
971 | } | |
972 | } | |
973 | ||
b946a153 AL |
974 | static void tap_cleanup(VLANClientState *vc) |
975 | { | |
976 | TAPState *s = vc->opaque; | |
977 | ||
978 | if (s->down_script[0]) | |
979 | launch_script(s->down_script, s->down_script_arg, s->fd); | |
980 | ||
981 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
982 | close(s->fd); | |
983 | qemu_free(s); | |
984 | } | |
985 | ||
63a01ef8 AL |
986 | /* fd support */ |
987 | ||
7a9f6e4a AL |
988 | static TAPState *net_tap_fd_init(VLANState *vlan, |
989 | const char *model, | |
990 | const char *name, | |
991 | int fd) | |
63a01ef8 AL |
992 | { |
993 | TAPState *s; | |
994 | ||
995 | s = qemu_mallocz(sizeof(TAPState)); | |
63a01ef8 | 996 | s->fd = fd; |
b946a153 AL |
997 | s->vc = qemu_new_vlan_client(vlan, model, name, tap_receive, |
998 | NULL, tap_cleanup, s); | |
b535b7b2 | 999 | s->vc->fd_readv = tap_receive_iov; |
63a01ef8 | 1000 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); |
7cb7434b | 1001 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); |
63a01ef8 AL |
1002 | return s; |
1003 | } | |
1004 | ||
179a2c19 | 1005 | #if defined (HOST_BSD) || defined (__FreeBSD_kernel__) |
63a01ef8 AL |
1006 | static int tap_open(char *ifname, int ifname_size) |
1007 | { | |
1008 | int fd; | |
1009 | char *dev; | |
1010 | struct stat s; | |
1011 | ||
1012 | TFR(fd = open("/dev/tap", O_RDWR)); | |
1013 | if (fd < 0) { | |
1014 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1015 | return -1; | |
1016 | } | |
1017 | ||
1018 | fstat(fd, &s); | |
1019 | dev = devname(s.st_rdev, S_IFCHR); | |
1020 | pstrcpy(ifname, ifname_size, dev); | |
1021 | ||
1022 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1023 | return fd; | |
1024 | } | |
1025 | #elif defined(__sun__) | |
1026 | #define TUNNEWPPA (('T'<<16) | 0x0001) | |
1027 | /* | |
1028 | * Allocate TAP device, returns opened fd. | |
1029 | * Stores dev name in the first arg(must be large enough). | |
1030 | */ | |
3f4cb3d3 | 1031 | static int tap_alloc(char *dev, size_t dev_size) |
63a01ef8 AL |
1032 | { |
1033 | int tap_fd, if_fd, ppa = -1; | |
1034 | static int ip_fd = 0; | |
1035 | char *ptr; | |
1036 | ||
1037 | static int arp_fd = 0; | |
1038 | int ip_muxid, arp_muxid; | |
1039 | struct strioctl strioc_if, strioc_ppa; | |
1040 | int link_type = I_PLINK;; | |
1041 | struct lifreq ifr; | |
1042 | char actual_name[32] = ""; | |
1043 | ||
1044 | memset(&ifr, 0x0, sizeof(ifr)); | |
1045 | ||
1046 | if( *dev ){ | |
1047 | ptr = dev; | |
47398b9c | 1048 | while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++; |
63a01ef8 AL |
1049 | ppa = atoi(ptr); |
1050 | } | |
1051 | ||
1052 | /* Check if IP device was opened */ | |
1053 | if( ip_fd ) | |
1054 | close(ip_fd); | |
1055 | ||
1056 | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); | |
1057 | if (ip_fd < 0) { | |
1058 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); | |
1059 | return -1; | |
1060 | } | |
1061 | ||
1062 | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); | |
1063 | if (tap_fd < 0) { | |
1064 | syslog(LOG_ERR, "Can't open /dev/tap"); | |
1065 | return -1; | |
1066 | } | |
1067 | ||
1068 | /* Assign a new PPA and get its unit number. */ | |
1069 | strioc_ppa.ic_cmd = TUNNEWPPA; | |
1070 | strioc_ppa.ic_timout = 0; | |
1071 | strioc_ppa.ic_len = sizeof(ppa); | |
1072 | strioc_ppa.ic_dp = (char *)&ppa; | |
1073 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) | |
1074 | syslog (LOG_ERR, "Can't assign new interface"); | |
1075 | ||
1076 | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); | |
1077 | if (if_fd < 0) { | |
1078 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); | |
1079 | return -1; | |
1080 | } | |
1081 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ | |
1082 | syslog(LOG_ERR, "Can't push IP module"); | |
1083 | return -1; | |
1084 | } | |
1085 | ||
1086 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) | |
1087 | syslog(LOG_ERR, "Can't get flags\n"); | |
1088 | ||
1089 | snprintf (actual_name, 32, "tap%d", ppa); | |
1090 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
1091 | ||
1092 | ifr.lifr_ppa = ppa; | |
1093 | /* Assign ppa according to the unit number returned by tun device */ | |
1094 | ||
1095 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) | |
1096 | syslog (LOG_ERR, "Can't set PPA %d", ppa); | |
1097 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) | |
1098 | syslog (LOG_ERR, "Can't get flags\n"); | |
1099 | /* Push arp module to if_fd */ | |
1100 | if (ioctl (if_fd, I_PUSH, "arp") < 0) | |
1101 | syslog (LOG_ERR, "Can't push ARP module (2)"); | |
1102 | ||
1103 | /* Push arp module to ip_fd */ | |
1104 | if (ioctl (ip_fd, I_POP, NULL) < 0) | |
1105 | syslog (LOG_ERR, "I_POP failed\n"); | |
1106 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) | |
1107 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); | |
1108 | /* Open arp_fd */ | |
1109 | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); | |
1110 | if (arp_fd < 0) | |
1111 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); | |
1112 | ||
1113 | /* Set ifname to arp */ | |
1114 | strioc_if.ic_cmd = SIOCSLIFNAME; | |
1115 | strioc_if.ic_timout = 0; | |
1116 | strioc_if.ic_len = sizeof(ifr); | |
1117 | strioc_if.ic_dp = (char *)𝔦 | |
1118 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ | |
1119 | syslog (LOG_ERR, "Can't set ifname to arp\n"); | |
1120 | } | |
1121 | ||
1122 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ | |
1123 | syslog(LOG_ERR, "Can't link TAP device to IP"); | |
1124 | return -1; | |
1125 | } | |
1126 | ||
1127 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) | |
1128 | syslog (LOG_ERR, "Can't link TAP device to ARP"); | |
1129 | ||
1130 | close (if_fd); | |
1131 | ||
1132 | memset(&ifr, 0x0, sizeof(ifr)); | |
1133 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
1134 | ifr.lifr_ip_muxid = ip_muxid; | |
1135 | ifr.lifr_arp_muxid = arp_muxid; | |
1136 | ||
1137 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) | |
1138 | { | |
1139 | ioctl (ip_fd, I_PUNLINK , arp_muxid); | |
1140 | ioctl (ip_fd, I_PUNLINK, ip_muxid); | |
1141 | syslog (LOG_ERR, "Can't set multiplexor id"); | |
1142 | } | |
1143 | ||
1144 | snprintf(dev, dev_size, "tap%d", ppa); | |
1145 | return tap_fd; | |
1146 | } | |
1147 | ||
1148 | static int tap_open(char *ifname, int ifname_size) | |
1149 | { | |
1150 | char dev[10]=""; | |
1151 | int fd; | |
1152 | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ | |
1153 | fprintf(stderr, "Cannot allocate TAP device\n"); | |
1154 | return -1; | |
1155 | } | |
1156 | pstrcpy(ifname, ifname_size, dev); | |
1157 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1158 | return fd; | |
1159 | } | |
b29fe3ed | 1160 | #elif defined (_AIX) |
1161 | static int tap_open(char *ifname, int ifname_size) | |
1162 | { | |
1163 | fprintf (stderr, "no tap on AIX\n"); | |
1164 | return -1; | |
1165 | } | |
63a01ef8 AL |
1166 | #else |
1167 | static int tap_open(char *ifname, int ifname_size) | |
1168 | { | |
1169 | struct ifreq ifr; | |
1170 | int fd, ret; | |
1171 | ||
1172 | TFR(fd = open("/dev/net/tun", O_RDWR)); | |
1173 | if (fd < 0) { | |
1174 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1175 | return -1; | |
1176 | } | |
1177 | memset(&ifr, 0, sizeof(ifr)); | |
1178 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1179 | if (ifname[0] != '\0') | |
1180 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
1181 | else | |
1182 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
1183 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1184 | if (ret != 0) { | |
1185 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1186 | close(fd); | |
1187 | return -1; | |
1188 | } | |
1189 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
1190 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1191 | return fd; | |
1192 | } | |
1193 | #endif | |
1194 | ||
1195 | static int launch_script(const char *setup_script, const char *ifname, int fd) | |
1196 | { | |
7c3370d4 | 1197 | sigset_t oldmask, mask; |
63a01ef8 AL |
1198 | int pid, status; |
1199 | char *args[3]; | |
1200 | char **parg; | |
1201 | ||
7c3370d4 JK |
1202 | sigemptyset(&mask); |
1203 | sigaddset(&mask, SIGCHLD); | |
1204 | sigprocmask(SIG_BLOCK, &mask, &oldmask); | |
1205 | ||
1206 | /* try to launch network script */ | |
1207 | pid = fork(); | |
1208 | if (pid == 0) { | |
1209 | int open_max = sysconf(_SC_OPEN_MAX), i; | |
1210 | ||
1211 | for (i = 0; i < open_max; i++) { | |
1212 | if (i != STDIN_FILENO && | |
1213 | i != STDOUT_FILENO && | |
1214 | i != STDERR_FILENO && | |
1215 | i != fd) { | |
1216 | close(i); | |
63a01ef8 AL |
1217 | } |
1218 | } | |
7c3370d4 JK |
1219 | parg = args; |
1220 | *parg++ = (char *)setup_script; | |
1221 | *parg++ = (char *)ifname; | |
1222 | *parg++ = NULL; | |
1223 | execv(setup_script, args); | |
1224 | _exit(1); | |
1225 | } else if (pid > 0) { | |
1226 | while (waitpid(pid, &status, 0) != pid) { | |
1227 | /* loop */ | |
1228 | } | |
1229 | sigprocmask(SIG_SETMASK, &oldmask, NULL); | |
1230 | ||
1231 | if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { | |
1232 | return 0; | |
1233 | } | |
1234 | } | |
1235 | fprintf(stderr, "%s: could not launch network script\n", setup_script); | |
1236 | return -1; | |
63a01ef8 AL |
1237 | } |
1238 | ||
7a9f6e4a AL |
1239 | static int net_tap_init(VLANState *vlan, const char *model, |
1240 | const char *name, const char *ifname1, | |
63a01ef8 AL |
1241 | const char *setup_script, const char *down_script) |
1242 | { | |
1243 | TAPState *s; | |
1244 | int fd; | |
1245 | char ifname[128]; | |
1246 | ||
1247 | if (ifname1 != NULL) | |
1248 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
1249 | else | |
1250 | ifname[0] = '\0'; | |
1251 | TFR(fd = tap_open(ifname, sizeof(ifname))); | |
1252 | if (fd < 0) | |
1253 | return -1; | |
1254 | ||
1255 | if (!setup_script || !strcmp(setup_script, "no")) | |
1256 | setup_script = ""; | |
1257 | if (setup_script[0] != '\0') { | |
1258 | if (launch_script(setup_script, ifname, fd)) | |
1259 | return -1; | |
1260 | } | |
7a9f6e4a | 1261 | s = net_tap_fd_init(vlan, model, name, fd); |
63a01ef8 | 1262 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
7cb7434b AL |
1263 | "ifname=%s,script=%s,downscript=%s", |
1264 | ifname, setup_script, down_script); | |
973cbd37 | 1265 | if (down_script && strcmp(down_script, "no")) { |
63a01ef8 | 1266 | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
973cbd37 AL |
1267 | snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname); |
1268 | } | |
63a01ef8 AL |
1269 | return 0; |
1270 | } | |
1271 | ||
1272 | #endif /* !_WIN32 */ | |
1273 | ||
1274 | #if defined(CONFIG_VDE) | |
1275 | typedef struct VDEState { | |
1276 | VLANClientState *vc; | |
1277 | VDECONN *vde; | |
1278 | } VDEState; | |
1279 | ||
1280 | static void vde_to_qemu(void *opaque) | |
1281 | { | |
1282 | VDEState *s = opaque; | |
1283 | uint8_t buf[4096]; | |
1284 | int size; | |
1285 | ||
cc63bb0f | 1286 | size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0); |
63a01ef8 AL |
1287 | if (size > 0) { |
1288 | qemu_send_packet(s->vc, buf, size); | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) | |
1293 | { | |
1294 | VDEState *s = opaque; | |
1295 | int ret; | |
1296 | for(;;) { | |
cc63bb0f | 1297 | ret = vde_send(s->vde, (const char *)buf, size, 0); |
63a01ef8 AL |
1298 | if (ret < 0 && errno == EINTR) { |
1299 | } else { | |
1300 | break; | |
1301 | } | |
1302 | } | |
1303 | } | |
1304 | ||
b946a153 AL |
1305 | static void vde_cleanup(VLANClientState *vc) |
1306 | { | |
1307 | VDEState *s = vc->opaque; | |
1308 | qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL); | |
1309 | vde_close(s->vde); | |
1310 | qemu_free(s); | |
1311 | } | |
1312 | ||
7a9f6e4a AL |
1313 | static int net_vde_init(VLANState *vlan, const char *model, |
1314 | const char *name, const char *sock, | |
bf38c1a0 | 1315 | int port, const char *group, int mode) |
63a01ef8 AL |
1316 | { |
1317 | VDEState *s; | |
1318 | char *init_group = strlen(group) ? (char *)group : NULL; | |
1319 | char *init_sock = strlen(sock) ? (char *)sock : NULL; | |
1320 | ||
1321 | struct vde_open_args args = { | |
1322 | .port = port, | |
1323 | .group = init_group, | |
1324 | .mode = mode, | |
1325 | }; | |
1326 | ||
1327 | s = qemu_mallocz(sizeof(VDEState)); | |
cc63bb0f | 1328 | s->vde = vde_open(init_sock, (char *)"QEMU", &args); |
63a01ef8 AL |
1329 | if (!s->vde){ |
1330 | free(s); | |
1331 | return -1; | |
1332 | } | |
b946a153 AL |
1333 | s->vc = qemu_new_vlan_client(vlan, model, name, vde_from_qemu, |
1334 | NULL, vde_cleanup, s); | |
63a01ef8 | 1335 | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s); |
7cb7434b | 1336 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d", |
63a01ef8 AL |
1337 | sock, vde_datafd(s->vde)); |
1338 | return 0; | |
1339 | } | |
1340 | #endif | |
1341 | ||
1342 | /* network connection */ | |
1343 | typedef struct NetSocketState { | |
1344 | VLANClientState *vc; | |
1345 | int fd; | |
1346 | int state; /* 0 = getting length, 1 = getting data */ | |
abcd2baa AL |
1347 | unsigned int index; |
1348 | unsigned int packet_len; | |
63a01ef8 AL |
1349 | uint8_t buf[4096]; |
1350 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
1351 | } NetSocketState; | |
1352 | ||
1353 | typedef struct NetSocketListenState { | |
1354 | VLANState *vlan; | |
bf38c1a0 | 1355 | char *model; |
7a9f6e4a | 1356 | char *name; |
63a01ef8 AL |
1357 | int fd; |
1358 | } NetSocketListenState; | |
1359 | ||
1360 | /* XXX: we consider we can send the whole packet without blocking */ | |
1361 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
1362 | { | |
1363 | NetSocketState *s = opaque; | |
1364 | uint32_t len; | |
1365 | len = htonl(size); | |
1366 | ||
1367 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
1368 | send_all(s->fd, buf, size); | |
1369 | } | |
1370 | ||
1371 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
1372 | { | |
1373 | NetSocketState *s = opaque; | |
1374 | sendto(s->fd, buf, size, 0, | |
1375 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
1376 | } | |
1377 | ||
1378 | static void net_socket_send(void *opaque) | |
1379 | { | |
1380 | NetSocketState *s = opaque; | |
abcd2baa AL |
1381 | int size, err; |
1382 | unsigned l; | |
63a01ef8 AL |
1383 | uint8_t buf1[4096]; |
1384 | const uint8_t *buf; | |
1385 | ||
1386 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
1387 | if (size < 0) { | |
1388 | err = socket_error(); | |
1389 | if (err != EWOULDBLOCK) | |
1390 | goto eoc; | |
1391 | } else if (size == 0) { | |
1392 | /* end of connection */ | |
1393 | eoc: | |
1394 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1395 | closesocket(s->fd); | |
1396 | return; | |
1397 | } | |
1398 | buf = buf1; | |
1399 | while (size > 0) { | |
1400 | /* reassemble a packet from the network */ | |
1401 | switch(s->state) { | |
1402 | case 0: | |
1403 | l = 4 - s->index; | |
1404 | if (l > size) | |
1405 | l = size; | |
1406 | memcpy(s->buf + s->index, buf, l); | |
1407 | buf += l; | |
1408 | size -= l; | |
1409 | s->index += l; | |
1410 | if (s->index == 4) { | |
1411 | /* got length */ | |
1412 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
1413 | s->index = 0; | |
1414 | s->state = 1; | |
1415 | } | |
1416 | break; | |
1417 | case 1: | |
1418 | l = s->packet_len - s->index; | |
1419 | if (l > size) | |
1420 | l = size; | |
abcd2baa AL |
1421 | if (s->index + l <= sizeof(s->buf)) { |
1422 | memcpy(s->buf + s->index, buf, l); | |
1423 | } else { | |
1424 | fprintf(stderr, "serious error: oversized packet received," | |
1425 | "connection terminated.\n"); | |
1426 | s->state = 0; | |
1427 | goto eoc; | |
1428 | } | |
1429 | ||
63a01ef8 AL |
1430 | s->index += l; |
1431 | buf += l; | |
1432 | size -= l; | |
1433 | if (s->index >= s->packet_len) { | |
1434 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
1435 | s->index = 0; | |
1436 | s->state = 0; | |
1437 | } | |
1438 | break; | |
1439 | } | |
1440 | } | |
1441 | } | |
1442 | ||
1443 | static void net_socket_send_dgram(void *opaque) | |
1444 | { | |
1445 | NetSocketState *s = opaque; | |
1446 | int size; | |
1447 | ||
1448 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
1449 | if (size < 0) | |
1450 | return; | |
1451 | if (size == 0) { | |
1452 | /* end of connection */ | |
1453 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1454 | return; | |
1455 | } | |
1456 | qemu_send_packet(s->vc, s->buf, size); | |
1457 | } | |
1458 | ||
1459 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
1460 | { | |
1461 | struct ip_mreq imr; | |
1462 | int fd; | |
1463 | int val, ret; | |
1464 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
1465 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
1466 | inet_ntoa(mcastaddr->sin_addr), | |
1467 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
1468 | return -1; | |
1469 | ||
1470 | } | |
1471 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1472 | if (fd < 0) { | |
1473 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
1474 | return -1; | |
1475 | } | |
1476 | ||
1477 | val = 1; | |
1478 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
1479 | (const char *)&val, sizeof(val)); | |
1480 | if (ret < 0) { | |
1481 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
1482 | goto fail; | |
1483 | } | |
1484 | ||
1485 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
1486 | if (ret < 0) { | |
1487 | perror("bind"); | |
1488 | goto fail; | |
1489 | } | |
1490 | ||
1491 | /* Add host to multicast group */ | |
1492 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
1493 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
1494 | ||
1495 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
1496 | (const char *)&imr, sizeof(struct ip_mreq)); | |
1497 | if (ret < 0) { | |
1498 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
1499 | goto fail; | |
1500 | } | |
1501 | ||
1502 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
1503 | val = 1; | |
1504 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
1505 | (const char *)&val, sizeof(val)); | |
1506 | if (ret < 0) { | |
1507 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
1508 | goto fail; | |
1509 | } | |
1510 | ||
1511 | socket_set_nonblock(fd); | |
1512 | return fd; | |
1513 | fail: | |
1514 | if (fd >= 0) | |
1515 | closesocket(fd); | |
1516 | return -1; | |
1517 | } | |
1518 | ||
b946a153 AL |
1519 | static void net_socket_cleanup(VLANClientState *vc) |
1520 | { | |
1521 | NetSocketState *s = vc->opaque; | |
1522 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1523 | close(s->fd); | |
1524 | qemu_free(s); | |
1525 | } | |
1526 | ||
7a9f6e4a AL |
1527 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, |
1528 | const char *model, | |
1529 | const char *name, | |
bf38c1a0 | 1530 | int fd, int is_connected) |
63a01ef8 AL |
1531 | { |
1532 | struct sockaddr_in saddr; | |
1533 | int newfd; | |
1534 | socklen_t saddr_len; | |
1535 | NetSocketState *s; | |
1536 | ||
1537 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
1538 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
1539 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
1540 | */ | |
1541 | ||
1542 | if (is_connected) { | |
1543 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
1544 | /* must be bound */ | |
1545 | if (saddr.sin_addr.s_addr==0) { | |
1546 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
1547 | fd); | |
1548 | return NULL; | |
1549 | } | |
1550 | /* clone dgram socket */ | |
1551 | newfd = net_socket_mcast_create(&saddr); | |
1552 | if (newfd < 0) { | |
1553 | /* error already reported by net_socket_mcast_create() */ | |
1554 | close(fd); | |
1555 | return NULL; | |
1556 | } | |
1557 | /* clone newfd to fd, close newfd */ | |
1558 | dup2(newfd, fd); | |
1559 | close(newfd); | |
1560 | ||
1561 | } else { | |
1562 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
1563 | fd, strerror(errno)); | |
1564 | return NULL; | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | s = qemu_mallocz(sizeof(NetSocketState)); | |
63a01ef8 AL |
1569 | s->fd = fd; |
1570 | ||
b946a153 AL |
1571 | s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive_dgram, |
1572 | NULL, net_socket_cleanup, s); | |
63a01ef8 AL |
1573 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); |
1574 | ||
1575 | /* mcast: save bound address as dst */ | |
1576 | if (is_connected) s->dgram_dst=saddr; | |
1577 | ||
1578 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1579 | "socket: fd=%d (%s mcast=%s:%d)", | |
1580 | fd, is_connected? "cloned" : "", | |
1581 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1582 | return s; | |
1583 | } | |
1584 | ||
1585 | static void net_socket_connect(void *opaque) | |
1586 | { | |
1587 | NetSocketState *s = opaque; | |
1588 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
1589 | } | |
1590 | ||
7a9f6e4a AL |
1591 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, |
1592 | const char *model, | |
1593 | const char *name, | |
bf38c1a0 | 1594 | int fd, int is_connected) |
63a01ef8 AL |
1595 | { |
1596 | NetSocketState *s; | |
1597 | s = qemu_mallocz(sizeof(NetSocketState)); | |
63a01ef8 | 1598 | s->fd = fd; |
b946a153 AL |
1599 | s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive, |
1600 | NULL, net_socket_cleanup, s); | |
63a01ef8 AL |
1601 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
1602 | "socket: fd=%d", fd); | |
1603 | if (is_connected) { | |
1604 | net_socket_connect(s); | |
1605 | } else { | |
1606 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
1607 | } | |
1608 | return s; | |
1609 | } | |
1610 | ||
7a9f6e4a AL |
1611 | static NetSocketState *net_socket_fd_init(VLANState *vlan, |
1612 | const char *model, const char *name, | |
bf38c1a0 | 1613 | int fd, int is_connected) |
63a01ef8 AL |
1614 | { |
1615 | int so_type=-1, optlen=sizeof(so_type); | |
1616 | ||
1617 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, | |
1618 | (socklen_t *)&optlen)< 0) { | |
1619 | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
1620 | return NULL; | |
1621 | } | |
1622 | switch(so_type) { | |
1623 | case SOCK_DGRAM: | |
7a9f6e4a | 1624 | return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected); |
63a01ef8 | 1625 | case SOCK_STREAM: |
7a9f6e4a | 1626 | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected); |
63a01ef8 AL |
1627 | default: |
1628 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
1629 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
7a9f6e4a | 1630 | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected); |
63a01ef8 AL |
1631 | } |
1632 | return NULL; | |
1633 | } | |
1634 | ||
1635 | static void net_socket_accept(void *opaque) | |
1636 | { | |
1637 | NetSocketListenState *s = opaque; | |
1638 | NetSocketState *s1; | |
1639 | struct sockaddr_in saddr; | |
1640 | socklen_t len; | |
1641 | int fd; | |
1642 | ||
1643 | for(;;) { | |
1644 | len = sizeof(saddr); | |
1645 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
1646 | if (fd < 0 && errno != EINTR) { | |
1647 | return; | |
1648 | } else if (fd >= 0) { | |
1649 | break; | |
1650 | } | |
1651 | } | |
7a9f6e4a | 1652 | s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1); |
63a01ef8 AL |
1653 | if (!s1) { |
1654 | closesocket(fd); | |
1655 | } else { | |
1656 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
1657 | "socket: connection from %s:%d", | |
1658 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1659 | } | |
1660 | } | |
1661 | ||
7a9f6e4a AL |
1662 | static int net_socket_listen_init(VLANState *vlan, |
1663 | const char *model, | |
1664 | const char *name, | |
bf38c1a0 | 1665 | const char *host_str) |
63a01ef8 AL |
1666 | { |
1667 | NetSocketListenState *s; | |
1668 | int fd, val, ret; | |
1669 | struct sockaddr_in saddr; | |
1670 | ||
1671 | if (parse_host_port(&saddr, host_str) < 0) | |
1672 | return -1; | |
1673 | ||
1674 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
63a01ef8 AL |
1675 | |
1676 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
1677 | if (fd < 0) { | |
1678 | perror("socket"); | |
1679 | return -1; | |
1680 | } | |
1681 | socket_set_nonblock(fd); | |
1682 | ||
1683 | /* allow fast reuse */ | |
1684 | val = 1; | |
1685 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
1686 | ||
1687 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
1688 | if (ret < 0) { | |
1689 | perror("bind"); | |
1690 | return -1; | |
1691 | } | |
1692 | ret = listen(fd, 0); | |
1693 | if (ret < 0) { | |
1694 | perror("listen"); | |
1695 | return -1; | |
1696 | } | |
1697 | s->vlan = vlan; | |
bf38c1a0 | 1698 | s->model = strdup(model); |
ea053add | 1699 | s->name = name ? strdup(name) : NULL; |
63a01ef8 AL |
1700 | s->fd = fd; |
1701 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
1702 | return 0; | |
1703 | } | |
1704 | ||
7a9f6e4a AL |
1705 | static int net_socket_connect_init(VLANState *vlan, |
1706 | const char *model, | |
1707 | const char *name, | |
bf38c1a0 | 1708 | const char *host_str) |
63a01ef8 AL |
1709 | { |
1710 | NetSocketState *s; | |
1711 | int fd, connected, ret, err; | |
1712 | struct sockaddr_in saddr; | |
1713 | ||
1714 | if (parse_host_port(&saddr, host_str) < 0) | |
1715 | return -1; | |
1716 | ||
1717 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
1718 | if (fd < 0) { | |
1719 | perror("socket"); | |
1720 | return -1; | |
1721 | } | |
1722 | socket_set_nonblock(fd); | |
1723 | ||
1724 | connected = 0; | |
1725 | for(;;) { | |
1726 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
1727 | if (ret < 0) { | |
1728 | err = socket_error(); | |
1729 | if (err == EINTR || err == EWOULDBLOCK) { | |
1730 | } else if (err == EINPROGRESS) { | |
1731 | break; | |
1732 | #ifdef _WIN32 | |
1733 | } else if (err == WSAEALREADY) { | |
1734 | break; | |
1735 | #endif | |
1736 | } else { | |
1737 | perror("connect"); | |
1738 | closesocket(fd); | |
1739 | return -1; | |
1740 | } | |
1741 | } else { | |
1742 | connected = 1; | |
1743 | break; | |
1744 | } | |
1745 | } | |
7a9f6e4a | 1746 | s = net_socket_fd_init(vlan, model, name, fd, connected); |
63a01ef8 AL |
1747 | if (!s) |
1748 | return -1; | |
1749 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1750 | "socket: connect to %s:%d", | |
1751 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1752 | return 0; | |
1753 | } | |
1754 | ||
7a9f6e4a AL |
1755 | static int net_socket_mcast_init(VLANState *vlan, |
1756 | const char *model, | |
1757 | const char *name, | |
bf38c1a0 | 1758 | const char *host_str) |
63a01ef8 AL |
1759 | { |
1760 | NetSocketState *s; | |
1761 | int fd; | |
1762 | struct sockaddr_in saddr; | |
1763 | ||
1764 | if (parse_host_port(&saddr, host_str) < 0) | |
1765 | return -1; | |
1766 | ||
1767 | ||
1768 | fd = net_socket_mcast_create(&saddr); | |
1769 | if (fd < 0) | |
1770 | return -1; | |
1771 | ||
7a9f6e4a | 1772 | s = net_socket_fd_init(vlan, model, name, fd, 0); |
63a01ef8 AL |
1773 | if (!s) |
1774 | return -1; | |
1775 | ||
1776 | s->dgram_dst = saddr; | |
1777 | ||
1778 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1779 | "socket: mcast=%s:%d", | |
1780 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1781 | return 0; | |
1782 | ||
1783 | } | |
1784 | ||
bb9ea79e AL |
1785 | typedef struct DumpState { |
1786 | VLANClientState *pcap_vc; | |
1787 | int fd; | |
1788 | int pcap_caplen; | |
1789 | } DumpState; | |
1790 | ||
1791 | #define PCAP_MAGIC 0xa1b2c3d4 | |
1792 | ||
1793 | struct pcap_file_hdr { | |
1794 | uint32_t magic; | |
1795 | uint16_t version_major; | |
1796 | uint16_t version_minor; | |
1797 | int32_t thiszone; | |
1798 | uint32_t sigfigs; | |
1799 | uint32_t snaplen; | |
1800 | uint32_t linktype; | |
1801 | }; | |
1802 | ||
1803 | struct pcap_sf_pkthdr { | |
1804 | struct { | |
1805 | int32_t tv_sec; | |
1806 | int32_t tv_usec; | |
1807 | } ts; | |
1808 | uint32_t caplen; | |
1809 | uint32_t len; | |
1810 | }; | |
1811 | ||
1812 | static void dump_receive(void *opaque, const uint8_t *buf, int size) | |
1813 | { | |
1814 | DumpState *s = opaque; | |
1815 | struct pcap_sf_pkthdr hdr; | |
1816 | int64_t ts; | |
1817 | int caplen; | |
1818 | ||
1819 | /* Early return in case of previous error. */ | |
1820 | if (s->fd < 0) { | |
1821 | return; | |
1822 | } | |
1823 | ||
37cb6fc3 | 1824 | ts = muldiv64(qemu_get_clock(vm_clock), 1000000, ticks_per_sec); |
bb9ea79e AL |
1825 | caplen = size > s->pcap_caplen ? s->pcap_caplen : size; |
1826 | ||
37cb6fc3 | 1827 | hdr.ts.tv_sec = ts / 1000000; |
bb9ea79e AL |
1828 | hdr.ts.tv_usec = ts % 1000000; |
1829 | hdr.caplen = caplen; | |
1830 | hdr.len = size; | |
1831 | if (write(s->fd, &hdr, sizeof(hdr)) != sizeof(hdr) || | |
1832 | write(s->fd, buf, caplen) != caplen) { | |
1833 | qemu_log("-net dump write error - stop dump\n"); | |
1834 | close(s->fd); | |
1835 | s->fd = -1; | |
1836 | } | |
1837 | } | |
1838 | ||
1839 | static void net_dump_cleanup(VLANClientState *vc) | |
1840 | { | |
1841 | DumpState *s = vc->opaque; | |
1842 | ||
1843 | close(s->fd); | |
1844 | qemu_free(s); | |
1845 | } | |
1846 | ||
10ae5a7a | 1847 | static int net_dump_init(Monitor *mon, VLANState *vlan, const char *device, |
bb9ea79e AL |
1848 | const char *name, const char *filename, int len) |
1849 | { | |
1850 | struct pcap_file_hdr hdr; | |
1851 | DumpState *s; | |
1852 | ||
1853 | s = qemu_malloc(sizeof(DumpState)); | |
1854 | ||
1855 | s->fd = open(filename, O_CREAT | O_WRONLY, 0644); | |
1856 | if (s->fd < 0) { | |
10ae5a7a | 1857 | config_error(mon, "-net dump: can't open %s\n", filename); |
bb9ea79e AL |
1858 | return -1; |
1859 | } | |
1860 | ||
1861 | s->pcap_caplen = len; | |
1862 | ||
1863 | hdr.magic = PCAP_MAGIC; | |
1864 | hdr.version_major = 2; | |
1865 | hdr.version_minor = 4; | |
1866 | hdr.thiszone = 0; | |
1867 | hdr.sigfigs = 0; | |
1868 | hdr.snaplen = s->pcap_caplen; | |
1869 | hdr.linktype = 1; | |
1870 | ||
1871 | if (write(s->fd, &hdr, sizeof(hdr)) < sizeof(hdr)) { | |
10ae5a7a | 1872 | config_error(mon, "-net dump write error: %s\n", strerror(errno)); |
bb9ea79e AL |
1873 | close(s->fd); |
1874 | qemu_free(s); | |
1875 | return -1; | |
1876 | } | |
1877 | ||
1878 | s->pcap_vc = qemu_new_vlan_client(vlan, device, name, dump_receive, NULL, | |
1879 | net_dump_cleanup, s); | |
1880 | snprintf(s->pcap_vc->info_str, sizeof(s->pcap_vc->info_str), | |
1881 | "dump to %s (len=%d)", filename, len); | |
1882 | return 0; | |
1883 | } | |
1884 | ||
63a01ef8 AL |
1885 | /* find or alloc a new VLAN */ |
1886 | VLANState *qemu_find_vlan(int id) | |
1887 | { | |
1888 | VLANState **pvlan, *vlan; | |
1889 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
1890 | if (vlan->id == id) | |
1891 | return vlan; | |
1892 | } | |
1893 | vlan = qemu_mallocz(sizeof(VLANState)); | |
63a01ef8 AL |
1894 | vlan->id = id; |
1895 | vlan->next = NULL; | |
1896 | pvlan = &first_vlan; | |
1897 | while (*pvlan != NULL) | |
1898 | pvlan = &(*pvlan)->next; | |
1899 | *pvlan = vlan; | |
1900 | return vlan; | |
1901 | } | |
1902 | ||
7697079b AL |
1903 | static int nic_get_free_idx(void) |
1904 | { | |
1905 | int index; | |
1906 | ||
1907 | for (index = 0; index < MAX_NICS; index++) | |
1908 | if (!nd_table[index].used) | |
1909 | return index; | |
1910 | return -1; | |
1911 | } | |
1912 | ||
d07f22c5 AL |
1913 | void qemu_check_nic_model(NICInfo *nd, const char *model) |
1914 | { | |
1915 | const char *models[2]; | |
1916 | ||
1917 | models[0] = model; | |
1918 | models[1] = NULL; | |
1919 | ||
1920 | qemu_check_nic_model_list(nd, models, model); | |
1921 | } | |
1922 | ||
1923 | void qemu_check_nic_model_list(NICInfo *nd, const char * const *models, | |
1924 | const char *default_model) | |
1925 | { | |
1926 | int i, exit_status = 0; | |
1927 | ||
1928 | if (!nd->model) | |
1929 | nd->model = strdup(default_model); | |
1930 | ||
1931 | if (strcmp(nd->model, "?") != 0) { | |
1932 | for (i = 0 ; models[i]; i++) | |
1933 | if (strcmp(nd->model, models[i]) == 0) | |
1934 | return; | |
1935 | ||
1936 | fprintf(stderr, "qemu: Unsupported NIC model: %s\n", nd->model); | |
1937 | exit_status = 1; | |
1938 | } | |
1939 | ||
1940 | fprintf(stderr, "qemu: Supported NIC models: "); | |
1941 | for (i = 0 ; models[i]; i++) | |
1942 | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); | |
1943 | ||
1944 | exit(exit_status); | |
1945 | } | |
1946 | ||
10ae5a7a | 1947 | int net_client_init(Monitor *mon, const char *device, const char *p) |
63a01ef8 | 1948 | { |
8e4416af AL |
1949 | static const char * const fd_params[] = { |
1950 | "vlan", "name", "fd", NULL | |
1951 | }; | |
63a01ef8 AL |
1952 | char buf[1024]; |
1953 | int vlan_id, ret; | |
1954 | VLANState *vlan; | |
7a9f6e4a | 1955 | char *name = NULL; |
63a01ef8 AL |
1956 | |
1957 | vlan_id = 0; | |
1958 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
1959 | vlan_id = strtol(buf, NULL, 0); | |
1960 | } | |
1961 | vlan = qemu_find_vlan(vlan_id); | |
9036de1a | 1962 | |
7a9f6e4a | 1963 | if (get_param_value(buf, sizeof(buf), "name", p)) { |
10ae5a7a | 1964 | name = qemu_strdup(buf); |
7a9f6e4a | 1965 | } |
63a01ef8 | 1966 | if (!strcmp(device, "nic")) { |
8e4416af AL |
1967 | static const char * const nic_params[] = { |
1968 | "vlan", "name", "macaddr", "model", NULL | |
1969 | }; | |
63a01ef8 AL |
1970 | NICInfo *nd; |
1971 | uint8_t *macaddr; | |
7697079b | 1972 | int idx = nic_get_free_idx(); |
63a01ef8 | 1973 | |
0aa7a205 | 1974 | if (check_params(buf, sizeof(buf), nic_params, p) < 0) { |
10ae5a7a JK |
1975 | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); |
1976 | ret = -1; | |
1977 | goto out; | |
8e4416af | 1978 | } |
7697079b | 1979 | if (idx == -1 || nb_nics >= MAX_NICS) { |
10ae5a7a | 1980 | config_error(mon, "Too Many NICs\n"); |
771f1339 AL |
1981 | ret = -1; |
1982 | goto out; | |
63a01ef8 | 1983 | } |
7697079b | 1984 | nd = &nd_table[idx]; |
63a01ef8 AL |
1985 | macaddr = nd->macaddr; |
1986 | macaddr[0] = 0x52; | |
1987 | macaddr[1] = 0x54; | |
1988 | macaddr[2] = 0x00; | |
1989 | macaddr[3] = 0x12; | |
1990 | macaddr[4] = 0x34; | |
7697079b | 1991 | macaddr[5] = 0x56 + idx; |
63a01ef8 AL |
1992 | |
1993 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
1994 | if (parse_macaddr(macaddr, buf) < 0) { | |
10ae5a7a | 1995 | config_error(mon, "invalid syntax for ethernet address\n"); |
771f1339 AL |
1996 | ret = -1; |
1997 | goto out; | |
63a01ef8 AL |
1998 | } |
1999 | } | |
2000 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
2001 | nd->model = strdup(buf); | |
2002 | } | |
2003 | nd->vlan = vlan; | |
7a9f6e4a | 2004 | nd->name = name; |
7697079b | 2005 | nd->used = 1; |
7a9f6e4a | 2006 | name = NULL; |
63a01ef8 AL |
2007 | nb_nics++; |
2008 | vlan->nb_guest_devs++; | |
4d73cd3b | 2009 | ret = idx; |
63a01ef8 AL |
2010 | } else |
2011 | if (!strcmp(device, "none")) { | |
8e4416af | 2012 | if (*p != '\0') { |
10ae5a7a JK |
2013 | config_error(mon, "'none' takes no parameters\n"); |
2014 | ret = -1; | |
2015 | goto out; | |
8e4416af | 2016 | } |
63a01ef8 AL |
2017 | /* does nothing. It is needed to signal that no network cards |
2018 | are wanted */ | |
2019 | ret = 0; | |
2020 | } else | |
2021 | #ifdef CONFIG_SLIRP | |
2022 | if (!strcmp(device, "user")) { | |
8e4416af AL |
2023 | static const char * const slirp_params[] = { |
2024 | "vlan", "name", "hostname", "restrict", "ip", NULL | |
2025 | }; | |
b8e8af38 JK |
2026 | int restricted = 0; |
2027 | char *ip = NULL; | |
2028 | ||
0aa7a205 | 2029 | if (check_params(buf, sizeof(buf), slirp_params, p) < 0) { |
10ae5a7a JK |
2030 | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); |
2031 | ret = -1; | |
2032 | goto out; | |
8e4416af | 2033 | } |
63a01ef8 AL |
2034 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
2035 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
2036 | } | |
49ec9b40 | 2037 | if (get_param_value(buf, sizeof(buf), "restrict", p)) { |
b8e8af38 | 2038 | restricted = (buf[0] == 'y') ? 1 : 0; |
49ec9b40 AL |
2039 | } |
2040 | if (get_param_value(buf, sizeof(buf), "ip", p)) { | |
b8e8af38 | 2041 | ip = qemu_strdup(buf); |
49ec9b40 | 2042 | } |
63a01ef8 | 2043 | vlan->nb_host_devs++; |
b8e8af38 JK |
2044 | ret = net_slirp_init(vlan, device, name, restricted, ip); |
2045 | qemu_free(ip); | |
8ca9217d AL |
2046 | } else if (!strcmp(device, "channel")) { |
2047 | long port; | |
2048 | char name[20], *devname; | |
2049 | struct VMChannel *vmc; | |
2050 | ||
2051 | port = strtol(p, &devname, 10); | |
2052 | devname++; | |
2053 | if (port < 1 || port > 65535) { | |
10ae5a7a | 2054 | config_error(mon, "vmchannel wrong port number\n"); |
771f1339 AL |
2055 | ret = -1; |
2056 | goto out; | |
8ca9217d AL |
2057 | } |
2058 | vmc = malloc(sizeof(struct VMChannel)); | |
2059 | snprintf(name, 20, "vmchannel%ld", port); | |
2060 | vmc->hd = qemu_chr_open(name, devname, NULL); | |
2061 | if (!vmc->hd) { | |
10ae5a7a JK |
2062 | config_error(mon, "could not open vmchannel device '%s'\n", |
2063 | devname); | |
771f1339 AL |
2064 | ret = -1; |
2065 | goto out; | |
8ca9217d AL |
2066 | } |
2067 | vmc->port = port; | |
2068 | slirp_add_exec(3, vmc->hd, 4, port); | |
2069 | qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read, | |
2070 | NULL, vmc); | |
2071 | ret = 0; | |
63a01ef8 AL |
2072 | } else |
2073 | #endif | |
2074 | #ifdef _WIN32 | |
2075 | if (!strcmp(device, "tap")) { | |
8e4416af AL |
2076 | static const char * const tap_params[] = { |
2077 | "vlan", "name", "ifname", NULL | |
2078 | }; | |
63a01ef8 | 2079 | char ifname[64]; |
8e4416af | 2080 | |
0aa7a205 | 2081 | if (check_params(buf, sizeof(buf), tap_params, p) < 0) { |
10ae5a7a JK |
2082 | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); |
2083 | ret = -1; | |
2084 | goto out; | |
8e4416af | 2085 | } |
63a01ef8 | 2086 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
10ae5a7a | 2087 | config_error(mon, "tap: no interface name\n"); |
771f1339 AL |
2088 | ret = -1; |
2089 | goto out; | |
63a01ef8 AL |
2090 | } |
2091 | vlan->nb_host_devs++; | |
7a9f6e4a | 2092 | ret = tap_win32_init(vlan, device, name, ifname); |
63a01ef8 | 2093 | } else |
b29fe3ed | 2094 | #elif defined (_AIX) |
63a01ef8 AL |
2095 | #else |
2096 | if (!strcmp(device, "tap")) { | |
0aa7a205 | 2097 | char ifname[64], chkbuf[64]; |
63a01ef8 AL |
2098 | char setup_script[1024], down_script[1024]; |
2099 | int fd; | |
2100 | vlan->nb_host_devs++; | |
2101 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
0aa7a205 | 2102 | if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { |
10ae5a7a JK |
2103 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2104 | ret = -1; | |
2105 | goto out; | |
8e4416af | 2106 | } |
63a01ef8 AL |
2107 | fd = strtol(buf, NULL, 0); |
2108 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
9036de1a AL |
2109 | net_tap_fd_init(vlan, device, name, fd); |
2110 | ret = 0; | |
63a01ef8 | 2111 | } else { |
8e4416af AL |
2112 | static const char * const tap_params[] = { |
2113 | "vlan", "name", "ifname", "script", "downscript", NULL | |
2114 | }; | |
0aa7a205 | 2115 | if (check_params(chkbuf, sizeof(chkbuf), tap_params, p) < 0) { |
10ae5a7a JK |
2116 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2117 | ret = -1; | |
2118 | goto out; | |
8e4416af | 2119 | } |
63a01ef8 AL |
2120 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
2121 | ifname[0] = '\0'; | |
2122 | } | |
2123 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
2124 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
2125 | } | |
2126 | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { | |
2127 | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT); | |
2128 | } | |
7a9f6e4a | 2129 | ret = net_tap_init(vlan, device, name, ifname, setup_script, down_script); |
63a01ef8 AL |
2130 | } |
2131 | } else | |
2132 | #endif | |
2133 | if (!strcmp(device, "socket")) { | |
0aa7a205 | 2134 | char chkbuf[64]; |
63a01ef8 AL |
2135 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
2136 | int fd; | |
0aa7a205 | 2137 | if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { |
10ae5a7a JK |
2138 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2139 | ret = -1; | |
2140 | goto out; | |
8e4416af | 2141 | } |
63a01ef8 AL |
2142 | fd = strtol(buf, NULL, 0); |
2143 | ret = -1; | |
7a9f6e4a | 2144 | if (net_socket_fd_init(vlan, device, name, fd, 1)) |
63a01ef8 AL |
2145 | ret = 0; |
2146 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
8e4416af AL |
2147 | static const char * const listen_params[] = { |
2148 | "vlan", "name", "listen", NULL | |
2149 | }; | |
0aa7a205 | 2150 | if (check_params(chkbuf, sizeof(chkbuf), listen_params, p) < 0) { |
10ae5a7a JK |
2151 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2152 | ret = -1; | |
2153 | goto out; | |
8e4416af | 2154 | } |
7a9f6e4a | 2155 | ret = net_socket_listen_init(vlan, device, name, buf); |
63a01ef8 | 2156 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
8e4416af AL |
2157 | static const char * const connect_params[] = { |
2158 | "vlan", "name", "connect", NULL | |
2159 | }; | |
0aa7a205 | 2160 | if (check_params(chkbuf, sizeof(chkbuf), connect_params, p) < 0) { |
10ae5a7a JK |
2161 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2162 | ret = -1; | |
2163 | goto out; | |
8e4416af | 2164 | } |
7a9f6e4a | 2165 | ret = net_socket_connect_init(vlan, device, name, buf); |
63a01ef8 | 2166 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
8e4416af AL |
2167 | static const char * const mcast_params[] = { |
2168 | "vlan", "name", "mcast", NULL | |
2169 | }; | |
0aa7a205 | 2170 | if (check_params(chkbuf, sizeof(chkbuf), mcast_params, p) < 0) { |
10ae5a7a JK |
2171 | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |
2172 | ret = -1; | |
2173 | goto out; | |
8e4416af | 2174 | } |
7a9f6e4a | 2175 | ret = net_socket_mcast_init(vlan, device, name, buf); |
63a01ef8 | 2176 | } else { |
10ae5a7a | 2177 | config_error(mon, "Unknown socket options: %s\n", p); |
771f1339 AL |
2178 | ret = -1; |
2179 | goto out; | |
63a01ef8 AL |
2180 | } |
2181 | vlan->nb_host_devs++; | |
2182 | } else | |
2183 | #ifdef CONFIG_VDE | |
2184 | if (!strcmp(device, "vde")) { | |
8e4416af AL |
2185 | static const char * const vde_params[] = { |
2186 | "vlan", "name", "sock", "port", "group", "mode", NULL | |
2187 | }; | |
63a01ef8 AL |
2188 | char vde_sock[1024], vde_group[512]; |
2189 | int vde_port, vde_mode; | |
8e4416af | 2190 | |
0aa7a205 | 2191 | if (check_params(buf, sizeof(buf), vde_params, p) < 0) { |
10ae5a7a JK |
2192 | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); |
2193 | ret = -1; | |
2194 | goto out; | |
8e4416af | 2195 | } |
63a01ef8 AL |
2196 | vlan->nb_host_devs++; |
2197 | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { | |
2198 | vde_sock[0] = '\0'; | |
2199 | } | |
2200 | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { | |
2201 | vde_port = strtol(buf, NULL, 10); | |
2202 | } else { | |
2203 | vde_port = 0; | |
2204 | } | |
2205 | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { | |
2206 | vde_group[0] = '\0'; | |
2207 | } | |
2208 | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { | |
2209 | vde_mode = strtol(buf, NULL, 8); | |
2210 | } else { | |
2211 | vde_mode = 0700; | |
2212 | } | |
7a9f6e4a | 2213 | ret = net_vde_init(vlan, device, name, vde_sock, vde_port, vde_group, vde_mode); |
63a01ef8 AL |
2214 | } else |
2215 | #endif | |
bb9ea79e AL |
2216 | if (!strcmp(device, "dump")) { |
2217 | int len = 65536; | |
2218 | ||
2219 | if (get_param_value(buf, sizeof(buf), "len", p) > 0) { | |
2220 | len = strtol(buf, NULL, 0); | |
2221 | } | |
2222 | if (!get_param_value(buf, sizeof(buf), "file", p)) { | |
2223 | snprintf(buf, sizeof(buf), "qemu-vlan%d.pcap", vlan_id); | |
2224 | } | |
10ae5a7a | 2225 | ret = net_dump_init(mon, vlan, device, name, buf, len); |
bb9ea79e | 2226 | } else { |
10ae5a7a | 2227 | config_error(mon, "Unknown network device: %s\n", device); |
771f1339 AL |
2228 | ret = -1; |
2229 | goto out; | |
63a01ef8 AL |
2230 | } |
2231 | if (ret < 0) { | |
10ae5a7a | 2232 | config_error(mon, "Could not initialize device '%s'\n", device); |
63a01ef8 | 2233 | } |
771f1339 | 2234 | out: |
10ae5a7a | 2235 | qemu_free(name); |
63a01ef8 AL |
2236 | return ret; |
2237 | } | |
2238 | ||
8b13c4a7 AL |
2239 | void net_client_uninit(NICInfo *nd) |
2240 | { | |
2241 | nd->vlan->nb_guest_devs--; | |
2242 | nb_nics--; | |
2243 | nd->used = 0; | |
2244 | free((void *)nd->model); | |
2245 | } | |
2246 | ||
6f338c34 AL |
2247 | static int net_host_check_device(const char *device) |
2248 | { | |
2249 | int i; | |
bb9ea79e | 2250 | const char *valid_param_list[] = { "tap", "socket", "dump" |
6f338c34 AL |
2251 | #ifdef CONFIG_SLIRP |
2252 | ,"user" | |
2253 | #endif | |
2254 | #ifdef CONFIG_VDE | |
2255 | ,"vde" | |
2256 | #endif | |
2257 | }; | |
2258 | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { | |
2259 | if (!strncmp(valid_param_list[i], device, | |
2260 | strlen(valid_param_list[i]))) | |
2261 | return 1; | |
2262 | } | |
2263 | ||
2264 | return 0; | |
2265 | } | |
2266 | ||
376253ec | 2267 | void net_host_device_add(Monitor *mon, const char *device, const char *opts) |
6f338c34 AL |
2268 | { |
2269 | if (!net_host_check_device(device)) { | |
376253ec | 2270 | monitor_printf(mon, "invalid host network device %s\n", device); |
6f338c34 AL |
2271 | return; |
2272 | } | |
10ae5a7a | 2273 | if (net_client_init(mon, device, opts ? opts : "") < 0) { |
5c8be678 AL |
2274 | monitor_printf(mon, "adding host network device %s failed\n", device); |
2275 | } | |
6f338c34 AL |
2276 | } |
2277 | ||
376253ec | 2278 | void net_host_device_remove(Monitor *mon, int vlan_id, const char *device) |
6f338c34 AL |
2279 | { |
2280 | VLANState *vlan; | |
2281 | VLANClientState *vc; | |
2282 | ||
6f338c34 | 2283 | vlan = qemu_find_vlan(vlan_id); |
6f338c34 | 2284 | |
e8f1f9db AL |
2285 | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2286 | if (!strcmp(vc->name, device)) { | |
6f338c34 | 2287 | break; |
e8f1f9db AL |
2288 | } |
2289 | } | |
6f338c34 AL |
2290 | |
2291 | if (!vc) { | |
376253ec | 2292 | monitor_printf(mon, "can't find device %s\n", device); |
6f338c34 AL |
2293 | return; |
2294 | } | |
e8f1f9db AL |
2295 | if (!net_host_check_device(vc->model)) { |
2296 | monitor_printf(mon, "invalid host network device %s\n", device); | |
2297 | return; | |
2298 | } | |
6f338c34 AL |
2299 | qemu_del_vlan_client(vc); |
2300 | } | |
2301 | ||
63a01ef8 AL |
2302 | int net_client_parse(const char *str) |
2303 | { | |
2304 | const char *p; | |
2305 | char *q; | |
2306 | char device[64]; | |
2307 | ||
2308 | p = str; | |
2309 | q = device; | |
2310 | while (*p != '\0' && *p != ',') { | |
2311 | if ((q - device) < sizeof(device) - 1) | |
2312 | *q++ = *p; | |
2313 | p++; | |
2314 | } | |
2315 | *q = '\0'; | |
2316 | if (*p == ',') | |
2317 | p++; | |
2318 | ||
10ae5a7a | 2319 | return net_client_init(NULL, device, p); |
63a01ef8 AL |
2320 | } |
2321 | ||
376253ec | 2322 | void do_info_network(Monitor *mon) |
63a01ef8 AL |
2323 | { |
2324 | VLANState *vlan; | |
2325 | VLANClientState *vc; | |
2326 | ||
2327 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
376253ec | 2328 | monitor_printf(mon, "VLAN %d devices:\n", vlan->id); |
63a01ef8 | 2329 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
376253ec | 2330 | monitor_printf(mon, " %s: %s\n", vc->name, vc->info_str); |
63a01ef8 AL |
2331 | } |
2332 | } | |
2333 | ||
376253ec | 2334 | int do_set_link(Monitor *mon, const char *name, const char *up_or_down) |
436e5e53 AL |
2335 | { |
2336 | VLANState *vlan; | |
2337 | VLANClientState *vc = NULL; | |
2338 | ||
2339 | for (vlan = first_vlan; vlan != NULL; vlan = vlan->next) | |
2340 | for (vc = vlan->first_client; vc != NULL; vc = vc->next) | |
2341 | if (strcmp(vc->name, name) == 0) | |
dd5de373 EI |
2342 | goto done; |
2343 | done: | |
436e5e53 AL |
2344 | |
2345 | if (!vc) { | |
376253ec | 2346 | monitor_printf(mon, "could not find network device '%s'", name); |
436e5e53 AL |
2347 | return 0; |
2348 | } | |
2349 | ||
2350 | if (strcmp(up_or_down, "up") == 0) | |
2351 | vc->link_down = 0; | |
2352 | else if (strcmp(up_or_down, "down") == 0) | |
2353 | vc->link_down = 1; | |
2354 | else | |
376253ec AL |
2355 | monitor_printf(mon, "invalid link status '%s'; only 'up' or 'down' " |
2356 | "valid\n", up_or_down); | |
436e5e53 | 2357 | |
34b25ca7 AL |
2358 | if (vc->link_status_changed) |
2359 | vc->link_status_changed(vc); | |
2360 | ||
436e5e53 AL |
2361 | return 1; |
2362 | } | |
2363 | ||
63a01ef8 AL |
2364 | void net_cleanup(void) |
2365 | { | |
2366 | VLANState *vlan; | |
2367 | ||
63a01ef8 AL |
2368 | /* close network clients */ |
2369 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
b946a153 | 2370 | VLANClientState *vc = vlan->first_client; |
63a01ef8 | 2371 | |
b946a153 AL |
2372 | while (vc) { |
2373 | VLANClientState *next = vc->next; | |
63a01ef8 | 2374 | |
b946a153 AL |
2375 | qemu_del_vlan_client(vc); |
2376 | ||
2377 | vc = next; | |
63a01ef8 AL |
2378 | } |
2379 | } | |
63a01ef8 AL |
2380 | } |
2381 | ||
2382 | void net_client_check(void) | |
2383 | { | |
2384 | VLANState *vlan; | |
2385 | ||
2386 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
2387 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) | |
2388 | continue; | |
2389 | if (vlan->nb_guest_devs == 0) | |
2390 | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); | |
2391 | if (vlan->nb_host_devs == 0) | |
2392 | fprintf(stderr, | |
2393 | "Warning: vlan %d is not connected to host network\n", | |
2394 | vlan->id); | |
2395 | } | |
2396 | } |