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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 | */ | |
559b90fb | 24 | #include "qemu-common.h" |
63a01ef8 AL |
25 | #include "net.h" |
26 | #include "console.h" | |
27 | #include "sysemu.h" | |
63a01ef8 AL |
28 | #include "qemu-timer.h" |
29 | #include "qemu-char.h" | |
63a01ef8 | 30 | #include "audio/audio.h" |
63a01ef8 AL |
31 | |
32 | #include <unistd.h> | |
33 | #include <fcntl.h> | |
34 | #include <signal.h> | |
35 | #include <time.h> | |
36 | #include <errno.h> | |
37 | #include <sys/time.h> | |
38 | #include <zlib.h> | |
39 | ||
40 | #ifndef _WIN32 | |
41 | #include <sys/times.h> | |
42 | #include <sys/wait.h> | |
43 | #include <termios.h> | |
44 | #include <sys/mman.h> | |
45 | #include <sys/ioctl.h> | |
24646c7e | 46 | #include <sys/resource.h> |
63a01ef8 AL |
47 | #include <sys/socket.h> |
48 | #include <netinet/in.h> | |
24646c7e BS |
49 | #include <net/if.h> |
50 | #ifdef __NetBSD__ | |
51 | #include <net/if_tap.h> | |
52 | #endif | |
53 | #ifdef __linux__ | |
54 | #include <linux/if_tun.h> | |
55 | #endif | |
56 | #include <arpa/inet.h> | |
63a01ef8 AL |
57 | #include <dirent.h> |
58 | #include <netdb.h> | |
59 | #include <sys/select.h> | |
63a01ef8 AL |
60 | #ifdef _BSD |
61 | #include <sys/stat.h> | |
24646c7e | 62 | #ifdef __FreeBSD__ |
63a01ef8 | 63 | #include <libutil.h> |
24646c7e BS |
64 | #else |
65 | #include <util.h> | |
63a01ef8 AL |
66 | #endif |
67 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
68 | #include <freebsd/stdlib.h> | |
69 | #else | |
70 | #ifdef __linux__ | |
63a01ef8 AL |
71 | #include <pty.h> |
72 | #include <malloc.h> | |
73 | #include <linux/rtc.h> | |
74 | ||
75 | /* For the benefit of older linux systems which don't supply it, | |
76 | we use a local copy of hpet.h. */ | |
77 | /* #include <linux/hpet.h> */ | |
78 | #include "hpet.h" | |
79 | ||
80 | #include <linux/ppdev.h> | |
81 | #include <linux/parport.h> | |
82 | #endif | |
83 | #ifdef __sun__ | |
84 | #include <sys/stat.h> | |
85 | #include <sys/ethernet.h> | |
86 | #include <sys/sockio.h> | |
87 | #include <netinet/arp.h> | |
88 | #include <netinet/in.h> | |
89 | #include <netinet/in_systm.h> | |
90 | #include <netinet/ip.h> | |
91 | #include <netinet/ip_icmp.h> // must come after ip.h | |
92 | #include <netinet/udp.h> | |
93 | #include <netinet/tcp.h> | |
94 | #include <net/if.h> | |
95 | #include <syslog.h> | |
96 | #include <stropts.h> | |
97 | #endif | |
98 | #endif | |
99 | #endif | |
100 | ||
101 | #include "qemu_socket.h" | |
102 | ||
103 | #if defined(CONFIG_SLIRP) | |
104 | #include "libslirp.h" | |
105 | #endif | |
106 | ||
107 | #if defined(__OpenBSD__) | |
108 | #include <util.h> | |
109 | #endif | |
110 | ||
111 | #if defined(CONFIG_VDE) | |
112 | #include <libvdeplug.h> | |
113 | #endif | |
114 | ||
115 | #ifdef _WIN32 | |
116 | #include <malloc.h> | |
117 | #include <sys/timeb.h> | |
118 | #include <mmsystem.h> | |
119 | #define getopt_long_only getopt_long | |
120 | #define memalign(align, size) malloc(size) | |
121 | #endif | |
122 | ||
63a01ef8 AL |
123 | static VLANState *first_vlan; |
124 | ||
125 | /***********************************************************/ | |
126 | /* network device redirectors */ | |
127 | ||
128 | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP) | |
129 | static void hex_dump(FILE *f, const uint8_t *buf, int size) | |
130 | { | |
131 | int len, i, j, c; | |
132 | ||
133 | for(i=0;i<size;i+=16) { | |
134 | len = size - i; | |
135 | if (len > 16) | |
136 | len = 16; | |
137 | fprintf(f, "%08x ", i); | |
138 | for(j=0;j<16;j++) { | |
139 | if (j < len) | |
140 | fprintf(f, " %02x", buf[i+j]); | |
141 | else | |
142 | fprintf(f, " "); | |
143 | } | |
144 | fprintf(f, " "); | |
145 | for(j=0;j<len;j++) { | |
146 | c = buf[i+j]; | |
147 | if (c < ' ' || c > '~') | |
148 | c = '.'; | |
149 | fprintf(f, "%c", c); | |
150 | } | |
151 | fprintf(f, "\n"); | |
152 | } | |
153 | } | |
154 | #endif | |
155 | ||
156 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
157 | { | |
158 | int i; | |
159 | char *last_char; | |
160 | long int offset; | |
161 | ||
162 | errno = 0; | |
163 | offset = strtol(p, &last_char, 0); | |
164 | if (0 == errno && '\0' == *last_char && | |
165 | offset >= 0 && offset <= 0xFFFFFF) { | |
166 | macaddr[3] = (offset & 0xFF0000) >> 16; | |
167 | macaddr[4] = (offset & 0xFF00) >> 8; | |
168 | macaddr[5] = offset & 0xFF; | |
169 | return 0; | |
170 | } else { | |
171 | for(i = 0; i < 6; i++) { | |
172 | macaddr[i] = strtol(p, (char **)&p, 16); | |
173 | if (i == 5) { | |
174 | if (*p != '\0') | |
175 | return -1; | |
176 | } else { | |
177 | if (*p != ':' && *p != '-') | |
178 | return -1; | |
179 | p++; | |
180 | } | |
181 | } | |
182 | return 0; | |
183 | } | |
184 | ||
185 | return -1; | |
186 | } | |
187 | ||
188 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
189 | { | |
190 | const char *p, *p1; | |
191 | int len; | |
192 | p = *pp; | |
193 | p1 = strchr(p, sep); | |
194 | if (!p1) | |
195 | return -1; | |
196 | len = p1 - p; | |
197 | p1++; | |
198 | if (buf_size > 0) { | |
199 | if (len > buf_size - 1) | |
200 | len = buf_size - 1; | |
201 | memcpy(buf, p, len); | |
202 | buf[len] = '\0'; | |
203 | } | |
204 | *pp = p1; | |
205 | return 0; | |
206 | } | |
207 | ||
208 | int parse_host_src_port(struct sockaddr_in *haddr, | |
209 | struct sockaddr_in *saddr, | |
210 | const char *input_str) | |
211 | { | |
212 | char *str = strdup(input_str); | |
213 | char *host_str = str; | |
214 | char *src_str; | |
215 | const char *src_str2; | |
216 | char *ptr; | |
217 | ||
218 | /* | |
219 | * Chop off any extra arguments at the end of the string which | |
220 | * would start with a comma, then fill in the src port information | |
221 | * if it was provided else use the "any address" and "any port". | |
222 | */ | |
223 | if ((ptr = strchr(str,','))) | |
224 | *ptr = '\0'; | |
225 | ||
226 | if ((src_str = strchr(input_str,'@'))) { | |
227 | *src_str = '\0'; | |
228 | src_str++; | |
229 | } | |
230 | ||
231 | if (parse_host_port(haddr, host_str) < 0) | |
232 | goto fail; | |
233 | ||
234 | src_str2 = src_str; | |
235 | if (!src_str || *src_str == '\0') | |
236 | src_str2 = ":0"; | |
237 | ||
238 | if (parse_host_port(saddr, src_str2) < 0) | |
239 | goto fail; | |
240 | ||
241 | free(str); | |
242 | return(0); | |
243 | ||
244 | fail: | |
245 | free(str); | |
246 | return -1; | |
247 | } | |
248 | ||
249 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
250 | { | |
251 | char buf[512]; | |
252 | struct hostent *he; | |
253 | const char *p, *r; | |
254 | int port; | |
255 | ||
256 | p = str; | |
257 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
258 | return -1; | |
259 | saddr->sin_family = AF_INET; | |
260 | if (buf[0] == '\0') { | |
261 | saddr->sin_addr.s_addr = 0; | |
262 | } else { | |
cd390083 | 263 | if (qemu_isdigit(buf[0])) { |
63a01ef8 AL |
264 | if (!inet_aton(buf, &saddr->sin_addr)) |
265 | return -1; | |
266 | } else { | |
267 | if ((he = gethostbyname(buf)) == NULL) | |
268 | return - 1; | |
269 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
270 | } | |
271 | } | |
272 | port = strtol(p, (char **)&r, 0); | |
273 | if (r == p) | |
274 | return -1; | |
275 | saddr->sin_port = htons(port); | |
276 | return 0; | |
277 | } | |
278 | ||
69d6451c BS |
279 | #if !defined(_WIN32) && 0 |
280 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
63a01ef8 AL |
281 | { |
282 | const char *p; | |
283 | int len; | |
284 | ||
285 | len = MIN(108, strlen(str)); | |
286 | p = strchr(str, ','); | |
287 | if (p) | |
288 | len = MIN(len, p - str); | |
289 | ||
290 | memset(uaddr, 0, sizeof(*uaddr)); | |
291 | ||
292 | uaddr->sun_family = AF_UNIX; | |
293 | memcpy(uaddr->sun_path, str, len); | |
294 | ||
295 | return 0; | |
296 | } | |
297 | #endif | |
298 | ||
7cb7434b AL |
299 | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
300 | { | |
301 | snprintf(vc->info_str, sizeof(vc->info_str), | |
4dda4063 AL |
302 | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x", |
303 | vc->model, | |
7cb7434b AL |
304 | macaddr[0], macaddr[1], macaddr[2], |
305 | macaddr[3], macaddr[4], macaddr[5]); | |
306 | } | |
307 | ||
676cff29 AL |
308 | static char *assign_name(VLANClientState *vc1, const char *model) |
309 | { | |
310 | VLANState *vlan; | |
311 | char buf[256]; | |
312 | int id = 0; | |
313 | ||
314 | for (vlan = first_vlan; vlan; vlan = vlan->next) { | |
315 | VLANClientState *vc; | |
316 | ||
317 | for (vc = vlan->first_client; vc; vc = vc->next) | |
318 | if (vc != vc1 && strcmp(vc->model, model) == 0) | |
319 | id++; | |
320 | } | |
321 | ||
322 | snprintf(buf, sizeof(buf), "%s.%d", model, id); | |
323 | ||
324 | return strdup(buf); | |
325 | } | |
326 | ||
63a01ef8 | 327 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
bf38c1a0 | 328 | const char *model, |
7a9f6e4a | 329 | const char *name, |
63a01ef8 AL |
330 | IOReadHandler *fd_read, |
331 | IOCanRWHandler *fd_can_read, | |
a34b6eb7 | 332 | NetCleanup *cleanup, |
63a01ef8 AL |
333 | void *opaque) |
334 | { | |
335 | VLANClientState *vc, **pvc; | |
336 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
bf38c1a0 | 337 | vc->model = strdup(model); |
7a9f6e4a AL |
338 | if (name) |
339 | vc->name = strdup(name); | |
340 | else | |
341 | vc->name = assign_name(vc, model); | |
63a01ef8 AL |
342 | vc->fd_read = fd_read; |
343 | vc->fd_can_read = fd_can_read; | |
a34b6eb7 | 344 | vc->cleanup = cleanup; |
63a01ef8 AL |
345 | vc->opaque = opaque; |
346 | vc->vlan = vlan; | |
347 | ||
348 | vc->next = NULL; | |
349 | pvc = &vlan->first_client; | |
350 | while (*pvc != NULL) | |
351 | pvc = &(*pvc)->next; | |
352 | *pvc = vc; | |
353 | return vc; | |
354 | } | |
355 | ||
356 | void qemu_del_vlan_client(VLANClientState *vc) | |
357 | { | |
358 | VLANClientState **pvc = &vc->vlan->first_client; | |
359 | ||
360 | while (*pvc != NULL) | |
361 | if (*pvc == vc) { | |
362 | *pvc = vc->next; | |
a34b6eb7 AL |
363 | if (vc->cleanup) { |
364 | vc->cleanup(vc); | |
365 | } | |
676cff29 | 366 | free(vc->name); |
bf38c1a0 | 367 | free(vc->model); |
84eba9b8 | 368 | qemu_free(vc); |
63a01ef8 AL |
369 | break; |
370 | } else | |
371 | pvc = &(*pvc)->next; | |
372 | } | |
373 | ||
8b13c4a7 AL |
374 | VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque) |
375 | { | |
376 | VLANClientState **pvc = &vlan->first_client; | |
377 | ||
378 | while (*pvc != NULL) | |
379 | if ((*pvc)->opaque == opaque) | |
380 | return *pvc; | |
381 | else | |
382 | pvc = &(*pvc)->next; | |
383 | ||
384 | return NULL; | |
385 | } | |
386 | ||
63a01ef8 AL |
387 | int qemu_can_send_packet(VLANClientState *vc1) |
388 | { | |
389 | VLANState *vlan = vc1->vlan; | |
390 | VLANClientState *vc; | |
391 | ||
392 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
393 | if (vc != vc1) { | |
394 | if (vc->fd_can_read && vc->fd_can_read(vc->opaque)) | |
395 | return 1; | |
396 | } | |
397 | } | |
398 | return 0; | |
399 | } | |
400 | ||
401 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
402 | { | |
403 | VLANState *vlan = vc1->vlan; | |
404 | VLANClientState *vc; | |
405 | ||
436e5e53 AL |
406 | if (vc1->link_down) |
407 | return; | |
408 | ||
63a01ef8 AL |
409 | #ifdef DEBUG_NET |
410 | printf("vlan %d send:\n", vlan->id); | |
411 | hex_dump(stdout, buf, size); | |
412 | #endif | |
413 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
436e5e53 | 414 | if (vc != vc1 && !vc->link_down) { |
63a01ef8 AL |
415 | vc->fd_read(vc->opaque, buf, size); |
416 | } | |
417 | } | |
418 | } | |
419 | ||
fbe78f4f AL |
420 | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
421 | int iovcnt) | |
422 | { | |
423 | uint8_t buffer[4096]; | |
424 | size_t offset = 0; | |
425 | int i; | |
426 | ||
427 | for (i = 0; i < iovcnt; i++) { | |
428 | size_t len; | |
429 | ||
430 | len = MIN(sizeof(buffer) - offset, iov[i].iov_len); | |
431 | memcpy(buffer + offset, iov[i].iov_base, len); | |
432 | offset += len; | |
433 | } | |
434 | ||
435 | vc->fd_read(vc->opaque, buffer, offset); | |
436 | ||
437 | return offset; | |
438 | } | |
439 | ||
e0e7877a AL |
440 | static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) |
441 | { | |
442 | size_t offset = 0; | |
443 | int i; | |
444 | ||
445 | for (i = 0; i < iovcnt; i++) | |
446 | offset += iov[i].iov_len; | |
447 | return offset; | |
448 | } | |
449 | ||
fbe78f4f AL |
450 | ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov, |
451 | int iovcnt) | |
452 | { | |
453 | VLANState *vlan = vc1->vlan; | |
454 | VLANClientState *vc; | |
455 | ssize_t max_len = 0; | |
456 | ||
e0e7877a AL |
457 | if (vc1->link_down) |
458 | return calc_iov_length(iov, iovcnt); | |
459 | ||
fbe78f4f AL |
460 | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
461 | ssize_t len = 0; | |
462 | ||
463 | if (vc == vc1) | |
464 | continue; | |
465 | ||
e0e7877a AL |
466 | if (vc->link_down) |
467 | len = calc_iov_length(iov, iovcnt); | |
fbe78f4f AL |
468 | if (vc->fd_readv) |
469 | len = vc->fd_readv(vc->opaque, iov, iovcnt); | |
470 | else if (vc->fd_read) | |
471 | len = vc_sendv_compat(vc, iov, iovcnt); | |
472 | ||
473 | max_len = MAX(max_len, len); | |
474 | } | |
475 | ||
476 | return max_len; | |
477 | } | |
478 | ||
63a01ef8 AL |
479 | #if defined(CONFIG_SLIRP) |
480 | ||
481 | /* slirp network adapter */ | |
482 | ||
483 | static int slirp_inited; | |
49ec9b40 AL |
484 | static int slirp_restrict; |
485 | static char *slirp_ip; | |
63a01ef8 AL |
486 | static VLANClientState *slirp_vc; |
487 | ||
488 | int slirp_can_output(void) | |
489 | { | |
490 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
491 | } | |
492 | ||
493 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
494 | { | |
495 | #ifdef DEBUG_SLIRP | |
496 | printf("slirp output:\n"); | |
497 | hex_dump(stdout, pkt, pkt_len); | |
498 | #endif | |
499 | if (!slirp_vc) | |
500 | return; | |
501 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
502 | } | |
503 | ||
504 | int slirp_is_inited(void) | |
505 | { | |
506 | return slirp_inited; | |
507 | } | |
508 | ||
509 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
510 | { | |
511 | #ifdef DEBUG_SLIRP | |
512 | printf("slirp input:\n"); | |
513 | hex_dump(stdout, buf, size); | |
514 | #endif | |
515 | slirp_input(buf, size); | |
516 | } | |
517 | ||
7a9f6e4a | 518 | static int net_slirp_init(VLANState *vlan, const char *model, const char *name) |
63a01ef8 AL |
519 | { |
520 | if (!slirp_inited) { | |
521 | slirp_inited = 1; | |
49ec9b40 | 522 | slirp_init(slirp_restrict, slirp_ip); |
63a01ef8 | 523 | } |
7a9f6e4a | 524 | slirp_vc = qemu_new_vlan_client(vlan, model, name, |
a34b6eb7 | 525 | slirp_receive, NULL, NULL, NULL); |
7cb7434b | 526 | slirp_vc->info_str[0] = '\0'; |
63a01ef8 AL |
527 | return 0; |
528 | } | |
529 | ||
530 | void net_slirp_redir(const char *redir_str) | |
531 | { | |
532 | int is_udp; | |
533 | char buf[256], *r; | |
534 | const char *p; | |
535 | struct in_addr guest_addr; | |
536 | int host_port, guest_port; | |
537 | ||
538 | if (!slirp_inited) { | |
539 | slirp_inited = 1; | |
49ec9b40 | 540 | slirp_init(slirp_restrict, slirp_ip); |
63a01ef8 AL |
541 | } |
542 | ||
543 | p = redir_str; | |
544 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
545 | goto fail; | |
546 | if (!strcmp(buf, "tcp")) { | |
547 | is_udp = 0; | |
548 | } else if (!strcmp(buf, "udp")) { | |
549 | is_udp = 1; | |
550 | } else { | |
551 | goto fail; | |
552 | } | |
553 | ||
554 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
555 | goto fail; | |
556 | host_port = strtol(buf, &r, 0); | |
557 | if (r == buf) | |
558 | goto fail; | |
559 | ||
560 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
561 | goto fail; | |
562 | if (buf[0] == '\0') { | |
563 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
564 | } | |
565 | if (!inet_aton(buf, &guest_addr)) | |
566 | goto fail; | |
567 | ||
568 | guest_port = strtol(p, &r, 0); | |
569 | if (r == p) | |
570 | goto fail; | |
571 | ||
572 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
573 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
574 | exit(1); | |
575 | } | |
576 | return; | |
577 | fail: | |
578 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
579 | exit(1); | |
580 | } | |
581 | ||
582 | #ifndef _WIN32 | |
583 | ||
584 | static char smb_dir[1024]; | |
585 | ||
586 | static void erase_dir(char *dir_name) | |
587 | { | |
588 | DIR *d; | |
589 | struct dirent *de; | |
590 | char filename[1024]; | |
591 | ||
592 | /* erase all the files in the directory */ | |
593 | if ((d = opendir(dir_name)) != 0) { | |
594 | for(;;) { | |
595 | de = readdir(d); | |
596 | if (!de) | |
597 | break; | |
598 | if (strcmp(de->d_name, ".") != 0 && | |
599 | strcmp(de->d_name, "..") != 0) { | |
600 | snprintf(filename, sizeof(filename), "%s/%s", | |
601 | smb_dir, de->d_name); | |
602 | if (unlink(filename) != 0) /* is it a directory? */ | |
603 | erase_dir(filename); | |
604 | } | |
605 | } | |
606 | closedir(d); | |
607 | rmdir(dir_name); | |
608 | } | |
609 | } | |
610 | ||
611 | /* automatic user mode samba server configuration */ | |
612 | static void smb_exit(void) | |
613 | { | |
614 | erase_dir(smb_dir); | |
615 | } | |
616 | ||
617 | /* automatic user mode samba server configuration */ | |
618 | void net_slirp_smb(const char *exported_dir) | |
619 | { | |
620 | char smb_conf[1024]; | |
621 | char smb_cmdline[1024]; | |
622 | FILE *f; | |
623 | ||
624 | if (!slirp_inited) { | |
625 | slirp_inited = 1; | |
49ec9b40 | 626 | slirp_init(slirp_restrict, slirp_ip); |
63a01ef8 AL |
627 | } |
628 | ||
629 | /* XXX: better tmp dir construction */ | |
630 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
631 | if (mkdir(smb_dir, 0700) < 0) { | |
632 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
633 | exit(1); | |
634 | } | |
635 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
636 | ||
637 | f = fopen(smb_conf, "w"); | |
638 | if (!f) { | |
639 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
640 | exit(1); | |
641 | } | |
642 | fprintf(f, | |
643 | "[global]\n" | |
644 | "private dir=%s\n" | |
645 | "smb ports=0\n" | |
646 | "socket address=127.0.0.1\n" | |
647 | "pid directory=%s\n" | |
648 | "lock directory=%s\n" | |
649 | "log file=%s/log.smbd\n" | |
650 | "smb passwd file=%s/smbpasswd\n" | |
651 | "security = share\n" | |
652 | "[qemu]\n" | |
653 | "path=%s\n" | |
654 | "read only=no\n" | |
655 | "guest ok=yes\n", | |
656 | smb_dir, | |
657 | smb_dir, | |
658 | smb_dir, | |
659 | smb_dir, | |
660 | smb_dir, | |
661 | exported_dir | |
662 | ); | |
663 | fclose(f); | |
664 | atexit(smb_exit); | |
665 | ||
666 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", | |
667 | SMBD_COMMAND, smb_conf); | |
668 | ||
669 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
670 | } | |
671 | ||
672 | #endif /* !defined(_WIN32) */ | |
673 | void do_info_slirp(void) | |
674 | { | |
675 | slirp_stats(); | |
676 | } | |
677 | ||
8ca9217d AL |
678 | struct VMChannel { |
679 | CharDriverState *hd; | |
680 | int port; | |
681 | } *vmchannels; | |
682 | ||
683 | static int vmchannel_can_read(void *opaque) | |
684 | { | |
685 | struct VMChannel *vmc = (struct VMChannel*)opaque; | |
686 | return slirp_socket_can_recv(4, vmc->port); | |
687 | } | |
688 | ||
689 | static void vmchannel_read(void *opaque, const uint8_t *buf, int size) | |
690 | { | |
691 | struct VMChannel *vmc = (struct VMChannel*)opaque; | |
692 | slirp_socket_recv(4, vmc->port, buf, size); | |
693 | } | |
694 | ||
63a01ef8 AL |
695 | #endif /* CONFIG_SLIRP */ |
696 | ||
697 | #if !defined(_WIN32) | |
698 | ||
699 | typedef struct TAPState { | |
700 | VLANClientState *vc; | |
701 | int fd; | |
702 | char down_script[1024]; | |
973cbd37 | 703 | char down_script_arg[128]; |
63a01ef8 AL |
704 | } TAPState; |
705 | ||
a34b6eb7 AL |
706 | static int launch_script(const char *setup_script, const char *ifname, int fd); |
707 | ||
b535b7b2 AL |
708 | static ssize_t tap_receive_iov(void *opaque, const struct iovec *iov, |
709 | int iovcnt) | |
710 | { | |
711 | TAPState *s = opaque; | |
712 | ssize_t len; | |
713 | ||
714 | do { | |
715 | len = writev(s->fd, iov, iovcnt); | |
716 | } while (len == -1 && (errno == EINTR || errno == EAGAIN)); | |
717 | ||
718 | return len; | |
719 | } | |
b535b7b2 | 720 | |
63a01ef8 AL |
721 | static void tap_receive(void *opaque, const uint8_t *buf, int size) |
722 | { | |
723 | TAPState *s = opaque; | |
724 | int ret; | |
725 | for(;;) { | |
726 | ret = write(s->fd, buf, size); | |
727 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
728 | } else { | |
729 | break; | |
730 | } | |
731 | } | |
732 | } | |
733 | ||
734 | static void tap_send(void *opaque) | |
735 | { | |
736 | TAPState *s = opaque; | |
737 | uint8_t buf[4096]; | |
738 | int size; | |
739 | ||
740 | #ifdef __sun__ | |
741 | struct strbuf sbuf; | |
742 | int f = 0; | |
743 | sbuf.maxlen = sizeof(buf); | |
744 | sbuf.buf = buf; | |
745 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; | |
746 | #else | |
747 | size = read(s->fd, buf, sizeof(buf)); | |
748 | #endif | |
749 | if (size > 0) { | |
750 | qemu_send_packet(s->vc, buf, size); | |
751 | } | |
752 | } | |
753 | ||
a34b6eb7 AL |
754 | static void tap_cleanup(VLANClientState *vc) |
755 | { | |
756 | TAPState *s = vc->opaque; | |
757 | ||
758 | if (s->down_script[0]) | |
759 | launch_script(s->down_script, s->down_script_arg, s->fd); | |
760 | ||
761 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
762 | close(s->fd); | |
763 | qemu_free(s); | |
764 | } | |
765 | ||
63a01ef8 AL |
766 | /* fd support */ |
767 | ||
7a9f6e4a AL |
768 | static TAPState *net_tap_fd_init(VLANState *vlan, |
769 | const char *model, | |
770 | const char *name, | |
771 | int fd) | |
63a01ef8 AL |
772 | { |
773 | TAPState *s; | |
774 | ||
775 | s = qemu_mallocz(sizeof(TAPState)); | |
63a01ef8 | 776 | s->fd = fd; |
a34b6eb7 AL |
777 | s->vc = qemu_new_vlan_client(vlan, model, name, tap_receive, |
778 | NULL, tap_cleanup, s); | |
b535b7b2 | 779 | s->vc->fd_readv = tap_receive_iov; |
63a01ef8 | 780 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); |
7cb7434b | 781 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); |
63a01ef8 AL |
782 | return s; |
783 | } | |
784 | ||
785 | #if defined (_BSD) || defined (__FreeBSD_kernel__) | |
786 | static int tap_open(char *ifname, int ifname_size) | |
787 | { | |
788 | int fd; | |
789 | char *dev; | |
790 | struct stat s; | |
791 | ||
792 | TFR(fd = open("/dev/tap", O_RDWR)); | |
793 | if (fd < 0) { | |
794 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
795 | return -1; | |
796 | } | |
797 | ||
798 | fstat(fd, &s); | |
799 | dev = devname(s.st_rdev, S_IFCHR); | |
800 | pstrcpy(ifname, ifname_size, dev); | |
801 | ||
802 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
803 | return fd; | |
804 | } | |
805 | #elif defined(__sun__) | |
806 | #define TUNNEWPPA (('T'<<16) | 0x0001) | |
807 | /* | |
808 | * Allocate TAP device, returns opened fd. | |
809 | * Stores dev name in the first arg(must be large enough). | |
810 | */ | |
811 | int tap_alloc(char *dev, size_t dev_size) | |
812 | { | |
813 | int tap_fd, if_fd, ppa = -1; | |
814 | static int ip_fd = 0; | |
815 | char *ptr; | |
816 | ||
817 | static int arp_fd = 0; | |
818 | int ip_muxid, arp_muxid; | |
819 | struct strioctl strioc_if, strioc_ppa; | |
820 | int link_type = I_PLINK;; | |
821 | struct lifreq ifr; | |
822 | char actual_name[32] = ""; | |
823 | ||
824 | memset(&ifr, 0x0, sizeof(ifr)); | |
825 | ||
826 | if( *dev ){ | |
827 | ptr = dev; | |
47398b9c | 828 | while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++; |
63a01ef8 AL |
829 | ppa = atoi(ptr); |
830 | } | |
831 | ||
832 | /* Check if IP device was opened */ | |
833 | if( ip_fd ) | |
834 | close(ip_fd); | |
835 | ||
836 | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); | |
837 | if (ip_fd < 0) { | |
838 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); | |
839 | return -1; | |
840 | } | |
841 | ||
842 | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); | |
843 | if (tap_fd < 0) { | |
844 | syslog(LOG_ERR, "Can't open /dev/tap"); | |
845 | return -1; | |
846 | } | |
847 | ||
848 | /* Assign a new PPA and get its unit number. */ | |
849 | strioc_ppa.ic_cmd = TUNNEWPPA; | |
850 | strioc_ppa.ic_timout = 0; | |
851 | strioc_ppa.ic_len = sizeof(ppa); | |
852 | strioc_ppa.ic_dp = (char *)&ppa; | |
853 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) | |
854 | syslog (LOG_ERR, "Can't assign new interface"); | |
855 | ||
856 | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); | |
857 | if (if_fd < 0) { | |
858 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); | |
859 | return -1; | |
860 | } | |
861 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ | |
862 | syslog(LOG_ERR, "Can't push IP module"); | |
863 | return -1; | |
864 | } | |
865 | ||
866 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) | |
867 | syslog(LOG_ERR, "Can't get flags\n"); | |
868 | ||
869 | snprintf (actual_name, 32, "tap%d", ppa); | |
870 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
871 | ||
872 | ifr.lifr_ppa = ppa; | |
873 | /* Assign ppa according to the unit number returned by tun device */ | |
874 | ||
875 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) | |
876 | syslog (LOG_ERR, "Can't set PPA %d", ppa); | |
877 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) | |
878 | syslog (LOG_ERR, "Can't get flags\n"); | |
879 | /* Push arp module to if_fd */ | |
880 | if (ioctl (if_fd, I_PUSH, "arp") < 0) | |
881 | syslog (LOG_ERR, "Can't push ARP module (2)"); | |
882 | ||
883 | /* Push arp module to ip_fd */ | |
884 | if (ioctl (ip_fd, I_POP, NULL) < 0) | |
885 | syslog (LOG_ERR, "I_POP failed\n"); | |
886 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) | |
887 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); | |
888 | /* Open arp_fd */ | |
889 | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); | |
890 | if (arp_fd < 0) | |
891 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); | |
892 | ||
893 | /* Set ifname to arp */ | |
894 | strioc_if.ic_cmd = SIOCSLIFNAME; | |
895 | strioc_if.ic_timout = 0; | |
896 | strioc_if.ic_len = sizeof(ifr); | |
897 | strioc_if.ic_dp = (char *)𝔦 | |
898 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ | |
899 | syslog (LOG_ERR, "Can't set ifname to arp\n"); | |
900 | } | |
901 | ||
902 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ | |
903 | syslog(LOG_ERR, "Can't link TAP device to IP"); | |
904 | return -1; | |
905 | } | |
906 | ||
907 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) | |
908 | syslog (LOG_ERR, "Can't link TAP device to ARP"); | |
909 | ||
910 | close (if_fd); | |
911 | ||
912 | memset(&ifr, 0x0, sizeof(ifr)); | |
913 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
914 | ifr.lifr_ip_muxid = ip_muxid; | |
915 | ifr.lifr_arp_muxid = arp_muxid; | |
916 | ||
917 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) | |
918 | { | |
919 | ioctl (ip_fd, I_PUNLINK , arp_muxid); | |
920 | ioctl (ip_fd, I_PUNLINK, ip_muxid); | |
921 | syslog (LOG_ERR, "Can't set multiplexor id"); | |
922 | } | |
923 | ||
924 | snprintf(dev, dev_size, "tap%d", ppa); | |
925 | return tap_fd; | |
926 | } | |
927 | ||
928 | static int tap_open(char *ifname, int ifname_size) | |
929 | { | |
930 | char dev[10]=""; | |
931 | int fd; | |
932 | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ | |
933 | fprintf(stderr, "Cannot allocate TAP device\n"); | |
934 | return -1; | |
935 | } | |
936 | pstrcpy(ifname, ifname_size, dev); | |
937 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
938 | return fd; | |
939 | } | |
b29fe3ed | 940 | #elif defined (_AIX) |
941 | static int tap_open(char *ifname, int ifname_size) | |
942 | { | |
943 | fprintf (stderr, "no tap on AIX\n"); | |
944 | return -1; | |
945 | } | |
63a01ef8 AL |
946 | #else |
947 | static int tap_open(char *ifname, int ifname_size) | |
948 | { | |
949 | struct ifreq ifr; | |
950 | int fd, ret; | |
951 | ||
952 | TFR(fd = open("/dev/net/tun", O_RDWR)); | |
953 | if (fd < 0) { | |
954 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
955 | return -1; | |
956 | } | |
957 | memset(&ifr, 0, sizeof(ifr)); | |
958 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
959 | if (ifname[0] != '\0') | |
960 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
961 | else | |
962 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
963 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
964 | if (ret != 0) { | |
965 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
966 | close(fd); | |
967 | return -1; | |
968 | } | |
969 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
970 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
971 | return fd; | |
972 | } | |
973 | #endif | |
974 | ||
975 | static int launch_script(const char *setup_script, const char *ifname, int fd) | |
976 | { | |
977 | int pid, status; | |
978 | char *args[3]; | |
979 | char **parg; | |
980 | ||
981 | /* try to launch network script */ | |
982 | pid = fork(); | |
983 | if (pid >= 0) { | |
984 | if (pid == 0) { | |
985 | int open_max = sysconf (_SC_OPEN_MAX), i; | |
986 | for (i = 0; i < open_max; i++) | |
987 | if (i != STDIN_FILENO && | |
988 | i != STDOUT_FILENO && | |
989 | i != STDERR_FILENO && | |
990 | i != fd) | |
991 | close(i); | |
992 | ||
993 | parg = args; | |
994 | *parg++ = (char *)setup_script; | |
995 | *parg++ = (char *)ifname; | |
996 | *parg++ = NULL; | |
997 | execv(setup_script, args); | |
998 | _exit(1); | |
999 | } | |
1000 | while (waitpid(pid, &status, 0) != pid); | |
1001 | if (!WIFEXITED(status) || | |
1002 | WEXITSTATUS(status) != 0) { | |
1003 | fprintf(stderr, "%s: could not launch network script\n", | |
1004 | setup_script); | |
1005 | return -1; | |
1006 | } | |
1007 | } | |
1008 | return 0; | |
1009 | } | |
1010 | ||
7a9f6e4a AL |
1011 | static int net_tap_init(VLANState *vlan, const char *model, |
1012 | const char *name, const char *ifname1, | |
63a01ef8 AL |
1013 | const char *setup_script, const char *down_script) |
1014 | { | |
1015 | TAPState *s; | |
1016 | int fd; | |
1017 | char ifname[128]; | |
1018 | ||
1019 | if (ifname1 != NULL) | |
1020 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
1021 | else | |
1022 | ifname[0] = '\0'; | |
1023 | TFR(fd = tap_open(ifname, sizeof(ifname))); | |
1024 | if (fd < 0) | |
1025 | return -1; | |
1026 | ||
1027 | if (!setup_script || !strcmp(setup_script, "no")) | |
1028 | setup_script = ""; | |
1029 | if (setup_script[0] != '\0') { | |
1030 | if (launch_script(setup_script, ifname, fd)) | |
1031 | return -1; | |
1032 | } | |
7a9f6e4a | 1033 | s = net_tap_fd_init(vlan, model, name, fd); |
63a01ef8 | 1034 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
7cb7434b AL |
1035 | "ifname=%s,script=%s,downscript=%s", |
1036 | ifname, setup_script, down_script); | |
973cbd37 | 1037 | if (down_script && strcmp(down_script, "no")) { |
63a01ef8 | 1038 | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
973cbd37 AL |
1039 | snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname); |
1040 | } | |
63a01ef8 AL |
1041 | return 0; |
1042 | } | |
1043 | ||
1044 | #endif /* !_WIN32 */ | |
1045 | ||
1046 | #if defined(CONFIG_VDE) | |
1047 | typedef struct VDEState { | |
1048 | VLANClientState *vc; | |
1049 | VDECONN *vde; | |
1050 | } VDEState; | |
1051 | ||
1052 | static void vde_to_qemu(void *opaque) | |
1053 | { | |
1054 | VDEState *s = opaque; | |
1055 | uint8_t buf[4096]; | |
1056 | int size; | |
1057 | ||
1058 | size = vde_recv(s->vde, buf, sizeof(buf), 0); | |
1059 | if (size > 0) { | |
1060 | qemu_send_packet(s->vc, buf, size); | |
1061 | } | |
1062 | } | |
1063 | ||
1064 | static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) | |
1065 | { | |
1066 | VDEState *s = opaque; | |
1067 | int ret; | |
1068 | for(;;) { | |
1069 | ret = vde_send(s->vde, buf, size, 0); | |
1070 | if (ret < 0 && errno == EINTR) { | |
1071 | } else { | |
1072 | break; | |
1073 | } | |
1074 | } | |
1075 | } | |
1076 | ||
a34b6eb7 AL |
1077 | static void vde_cleanup(VLANClientState *vc) |
1078 | { | |
1079 | VDEState *s = vc->opaque; | |
1080 | qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL); | |
1081 | vde_close(s->vde); | |
1082 | qemu_free(s); | |
1083 | } | |
1084 | ||
7a9f6e4a AL |
1085 | static int net_vde_init(VLANState *vlan, const char *model, |
1086 | const char *name, const char *sock, | |
bf38c1a0 | 1087 | int port, const char *group, int mode) |
63a01ef8 AL |
1088 | { |
1089 | VDEState *s; | |
1090 | char *init_group = strlen(group) ? (char *)group : NULL; | |
1091 | char *init_sock = strlen(sock) ? (char *)sock : NULL; | |
1092 | ||
1093 | struct vde_open_args args = { | |
1094 | .port = port, | |
1095 | .group = init_group, | |
1096 | .mode = mode, | |
1097 | }; | |
1098 | ||
1099 | s = qemu_mallocz(sizeof(VDEState)); | |
63a01ef8 AL |
1100 | s->vde = vde_open(init_sock, "QEMU", &args); |
1101 | if (!s->vde){ | |
1102 | free(s); | |
1103 | return -1; | |
1104 | } | |
a34b6eb7 AL |
1105 | s->vc = qemu_new_vlan_client(vlan, model, name, vde_from_qemu, |
1106 | NULL, vde_cleanup, s); | |
63a01ef8 | 1107 | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s); |
7cb7434b | 1108 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d", |
63a01ef8 AL |
1109 | sock, vde_datafd(s->vde)); |
1110 | return 0; | |
1111 | } | |
1112 | #endif | |
1113 | ||
1114 | /* network connection */ | |
1115 | typedef struct NetSocketState { | |
1116 | VLANClientState *vc; | |
1117 | int fd; | |
1118 | int state; /* 0 = getting length, 1 = getting data */ | |
abcd2baa AL |
1119 | unsigned int index; |
1120 | unsigned int packet_len; | |
63a01ef8 AL |
1121 | uint8_t buf[4096]; |
1122 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
1123 | } NetSocketState; | |
1124 | ||
1125 | typedef struct NetSocketListenState { | |
1126 | VLANState *vlan; | |
bf38c1a0 | 1127 | char *model; |
7a9f6e4a | 1128 | char *name; |
63a01ef8 AL |
1129 | int fd; |
1130 | } NetSocketListenState; | |
1131 | ||
1132 | /* XXX: we consider we can send the whole packet without blocking */ | |
1133 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
1134 | { | |
1135 | NetSocketState *s = opaque; | |
1136 | uint32_t len; | |
1137 | len = htonl(size); | |
1138 | ||
1139 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
1140 | send_all(s->fd, buf, size); | |
1141 | } | |
1142 | ||
1143 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
1144 | { | |
1145 | NetSocketState *s = opaque; | |
1146 | sendto(s->fd, buf, size, 0, | |
1147 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
1148 | } | |
1149 | ||
1150 | static void net_socket_send(void *opaque) | |
1151 | { | |
1152 | NetSocketState *s = opaque; | |
abcd2baa AL |
1153 | int size, err; |
1154 | unsigned l; | |
63a01ef8 AL |
1155 | uint8_t buf1[4096]; |
1156 | const uint8_t *buf; | |
1157 | ||
1158 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
1159 | if (size < 0) { | |
1160 | err = socket_error(); | |
1161 | if (err != EWOULDBLOCK) | |
1162 | goto eoc; | |
1163 | } else if (size == 0) { | |
1164 | /* end of connection */ | |
1165 | eoc: | |
1166 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1167 | closesocket(s->fd); | |
1168 | return; | |
1169 | } | |
1170 | buf = buf1; | |
1171 | while (size > 0) { | |
1172 | /* reassemble a packet from the network */ | |
1173 | switch(s->state) { | |
1174 | case 0: | |
1175 | l = 4 - s->index; | |
1176 | if (l > size) | |
1177 | l = size; | |
1178 | memcpy(s->buf + s->index, buf, l); | |
1179 | buf += l; | |
1180 | size -= l; | |
1181 | s->index += l; | |
1182 | if (s->index == 4) { | |
1183 | /* got length */ | |
1184 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
1185 | s->index = 0; | |
1186 | s->state = 1; | |
1187 | } | |
1188 | break; | |
1189 | case 1: | |
1190 | l = s->packet_len - s->index; | |
1191 | if (l > size) | |
1192 | l = size; | |
abcd2baa AL |
1193 | if (s->index + l <= sizeof(s->buf)) { |
1194 | memcpy(s->buf + s->index, buf, l); | |
1195 | } else { | |
1196 | fprintf(stderr, "serious error: oversized packet received," | |
1197 | "connection terminated.\n"); | |
1198 | s->state = 0; | |
1199 | goto eoc; | |
1200 | } | |
1201 | ||
63a01ef8 AL |
1202 | s->index += l; |
1203 | buf += l; | |
1204 | size -= l; | |
1205 | if (s->index >= s->packet_len) { | |
1206 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
1207 | s->index = 0; | |
1208 | s->state = 0; | |
1209 | } | |
1210 | break; | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | static void net_socket_send_dgram(void *opaque) | |
1216 | { | |
1217 | NetSocketState *s = opaque; | |
1218 | int size; | |
1219 | ||
1220 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
1221 | if (size < 0) | |
1222 | return; | |
1223 | if (size == 0) { | |
1224 | /* end of connection */ | |
1225 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1226 | return; | |
1227 | } | |
1228 | qemu_send_packet(s->vc, s->buf, size); | |
1229 | } | |
1230 | ||
1231 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
1232 | { | |
1233 | struct ip_mreq imr; | |
1234 | int fd; | |
1235 | int val, ret; | |
1236 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
1237 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
1238 | inet_ntoa(mcastaddr->sin_addr), | |
1239 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
1240 | return -1; | |
1241 | ||
1242 | } | |
1243 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1244 | if (fd < 0) { | |
1245 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
1246 | return -1; | |
1247 | } | |
1248 | ||
1249 | val = 1; | |
1250 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
1251 | (const char *)&val, sizeof(val)); | |
1252 | if (ret < 0) { | |
1253 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
1254 | goto fail; | |
1255 | } | |
1256 | ||
1257 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
1258 | if (ret < 0) { | |
1259 | perror("bind"); | |
1260 | goto fail; | |
1261 | } | |
1262 | ||
1263 | /* Add host to multicast group */ | |
1264 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
1265 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
1266 | ||
1267 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
1268 | (const char *)&imr, sizeof(struct ip_mreq)); | |
1269 | if (ret < 0) { | |
1270 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
1271 | goto fail; | |
1272 | } | |
1273 | ||
1274 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
1275 | val = 1; | |
1276 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
1277 | (const char *)&val, sizeof(val)); | |
1278 | if (ret < 0) { | |
1279 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
1280 | goto fail; | |
1281 | } | |
1282 | ||
1283 | socket_set_nonblock(fd); | |
1284 | return fd; | |
1285 | fail: | |
1286 | if (fd >= 0) | |
1287 | closesocket(fd); | |
1288 | return -1; | |
1289 | } | |
1290 | ||
a34b6eb7 AL |
1291 | static void net_socket_cleanup(VLANClientState *vc) |
1292 | { | |
1293 | NetSocketState *s = vc->opaque; | |
1294 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1295 | close(s->fd); | |
1296 | qemu_free(s); | |
1297 | } | |
1298 | ||
7a9f6e4a AL |
1299 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, |
1300 | const char *model, | |
1301 | const char *name, | |
bf38c1a0 | 1302 | int fd, int is_connected) |
63a01ef8 AL |
1303 | { |
1304 | struct sockaddr_in saddr; | |
1305 | int newfd; | |
1306 | socklen_t saddr_len; | |
1307 | NetSocketState *s; | |
1308 | ||
1309 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
1310 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
1311 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
1312 | */ | |
1313 | ||
1314 | if (is_connected) { | |
1315 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
1316 | /* must be bound */ | |
1317 | if (saddr.sin_addr.s_addr==0) { | |
1318 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
1319 | fd); | |
1320 | return NULL; | |
1321 | } | |
1322 | /* clone dgram socket */ | |
1323 | newfd = net_socket_mcast_create(&saddr); | |
1324 | if (newfd < 0) { | |
1325 | /* error already reported by net_socket_mcast_create() */ | |
1326 | close(fd); | |
1327 | return NULL; | |
1328 | } | |
1329 | /* clone newfd to fd, close newfd */ | |
1330 | dup2(newfd, fd); | |
1331 | close(newfd); | |
1332 | ||
1333 | } else { | |
1334 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
1335 | fd, strerror(errno)); | |
1336 | return NULL; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | s = qemu_mallocz(sizeof(NetSocketState)); | |
63a01ef8 AL |
1341 | s->fd = fd; |
1342 | ||
a34b6eb7 AL |
1343 | s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive_dgram, |
1344 | NULL, net_socket_cleanup, s); | |
63a01ef8 AL |
1345 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); |
1346 | ||
1347 | /* mcast: save bound address as dst */ | |
1348 | if (is_connected) s->dgram_dst=saddr; | |
1349 | ||
1350 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1351 | "socket: fd=%d (%s mcast=%s:%d)", | |
1352 | fd, is_connected? "cloned" : "", | |
1353 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1354 | return s; | |
1355 | } | |
1356 | ||
1357 | static void net_socket_connect(void *opaque) | |
1358 | { | |
1359 | NetSocketState *s = opaque; | |
1360 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
1361 | } | |
1362 | ||
7a9f6e4a AL |
1363 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, |
1364 | const char *model, | |
1365 | const char *name, | |
bf38c1a0 | 1366 | int fd, int is_connected) |
63a01ef8 AL |
1367 | { |
1368 | NetSocketState *s; | |
1369 | s = qemu_mallocz(sizeof(NetSocketState)); | |
63a01ef8 | 1370 | s->fd = fd; |
a34b6eb7 AL |
1371 | s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive, |
1372 | NULL, net_socket_cleanup, s); | |
63a01ef8 AL |
1373 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
1374 | "socket: fd=%d", fd); | |
1375 | if (is_connected) { | |
1376 | net_socket_connect(s); | |
1377 | } else { | |
1378 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
1379 | } | |
1380 | return s; | |
1381 | } | |
1382 | ||
7a9f6e4a AL |
1383 | static NetSocketState *net_socket_fd_init(VLANState *vlan, |
1384 | const char *model, const char *name, | |
bf38c1a0 | 1385 | int fd, int is_connected) |
63a01ef8 AL |
1386 | { |
1387 | int so_type=-1, optlen=sizeof(so_type); | |
1388 | ||
1389 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, | |
1390 | (socklen_t *)&optlen)< 0) { | |
1391 | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
1392 | return NULL; | |
1393 | } | |
1394 | switch(so_type) { | |
1395 | case SOCK_DGRAM: | |
7a9f6e4a | 1396 | return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected); |
63a01ef8 | 1397 | case SOCK_STREAM: |
7a9f6e4a | 1398 | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected); |
63a01ef8 AL |
1399 | default: |
1400 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
1401 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
7a9f6e4a | 1402 | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected); |
63a01ef8 AL |
1403 | } |
1404 | return NULL; | |
1405 | } | |
1406 | ||
1407 | static void net_socket_accept(void *opaque) | |
1408 | { | |
1409 | NetSocketListenState *s = opaque; | |
1410 | NetSocketState *s1; | |
1411 | struct sockaddr_in saddr; | |
1412 | socklen_t len; | |
1413 | int fd; | |
1414 | ||
1415 | for(;;) { | |
1416 | len = sizeof(saddr); | |
1417 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
1418 | if (fd < 0 && errno != EINTR) { | |
1419 | return; | |
1420 | } else if (fd >= 0) { | |
1421 | break; | |
1422 | } | |
1423 | } | |
7a9f6e4a | 1424 | s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1); |
63a01ef8 AL |
1425 | if (!s1) { |
1426 | closesocket(fd); | |
1427 | } else { | |
1428 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
1429 | "socket: connection from %s:%d", | |
1430 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1431 | } | |
1432 | } | |
1433 | ||
7a9f6e4a AL |
1434 | static int net_socket_listen_init(VLANState *vlan, |
1435 | const char *model, | |
1436 | const char *name, | |
bf38c1a0 | 1437 | const char *host_str) |
63a01ef8 AL |
1438 | { |
1439 | NetSocketListenState *s; | |
1440 | int fd, val, ret; | |
1441 | struct sockaddr_in saddr; | |
1442 | ||
1443 | if (parse_host_port(&saddr, host_str) < 0) | |
1444 | return -1; | |
1445 | ||
1446 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
63a01ef8 AL |
1447 | |
1448 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
1449 | if (fd < 0) { | |
1450 | perror("socket"); | |
1451 | return -1; | |
1452 | } | |
1453 | socket_set_nonblock(fd); | |
1454 | ||
1455 | /* allow fast reuse */ | |
1456 | val = 1; | |
1457 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
1458 | ||
1459 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
1460 | if (ret < 0) { | |
1461 | perror("bind"); | |
1462 | return -1; | |
1463 | } | |
1464 | ret = listen(fd, 0); | |
1465 | if (ret < 0) { | |
1466 | perror("listen"); | |
1467 | return -1; | |
1468 | } | |
1469 | s->vlan = vlan; | |
bf38c1a0 | 1470 | s->model = strdup(model); |
7a9f6e4a | 1471 | s->name = strdup(name); |
63a01ef8 AL |
1472 | s->fd = fd; |
1473 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
1474 | return 0; | |
1475 | } | |
1476 | ||
7a9f6e4a AL |
1477 | static int net_socket_connect_init(VLANState *vlan, |
1478 | const char *model, | |
1479 | const char *name, | |
bf38c1a0 | 1480 | const char *host_str) |
63a01ef8 AL |
1481 | { |
1482 | NetSocketState *s; | |
1483 | int fd, connected, ret, err; | |
1484 | struct sockaddr_in saddr; | |
1485 | ||
1486 | if (parse_host_port(&saddr, host_str) < 0) | |
1487 | return -1; | |
1488 | ||
1489 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
1490 | if (fd < 0) { | |
1491 | perror("socket"); | |
1492 | return -1; | |
1493 | } | |
1494 | socket_set_nonblock(fd); | |
1495 | ||
1496 | connected = 0; | |
1497 | for(;;) { | |
1498 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
1499 | if (ret < 0) { | |
1500 | err = socket_error(); | |
1501 | if (err == EINTR || err == EWOULDBLOCK) { | |
1502 | } else if (err == EINPROGRESS) { | |
1503 | break; | |
1504 | #ifdef _WIN32 | |
1505 | } else if (err == WSAEALREADY) { | |
1506 | break; | |
1507 | #endif | |
1508 | } else { | |
1509 | perror("connect"); | |
1510 | closesocket(fd); | |
1511 | return -1; | |
1512 | } | |
1513 | } else { | |
1514 | connected = 1; | |
1515 | break; | |
1516 | } | |
1517 | } | |
7a9f6e4a | 1518 | s = net_socket_fd_init(vlan, model, name, fd, connected); |
63a01ef8 AL |
1519 | if (!s) |
1520 | return -1; | |
1521 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1522 | "socket: connect to %s:%d", | |
1523 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1524 | return 0; | |
1525 | } | |
1526 | ||
7a9f6e4a AL |
1527 | static int net_socket_mcast_init(VLANState *vlan, |
1528 | const char *model, | |
1529 | const char *name, | |
bf38c1a0 | 1530 | const char *host_str) |
63a01ef8 AL |
1531 | { |
1532 | NetSocketState *s; | |
1533 | int fd; | |
1534 | struct sockaddr_in saddr; | |
1535 | ||
1536 | if (parse_host_port(&saddr, host_str) < 0) | |
1537 | return -1; | |
1538 | ||
1539 | ||
1540 | fd = net_socket_mcast_create(&saddr); | |
1541 | if (fd < 0) | |
1542 | return -1; | |
1543 | ||
7a9f6e4a | 1544 | s = net_socket_fd_init(vlan, model, name, fd, 0); |
63a01ef8 AL |
1545 | if (!s) |
1546 | return -1; | |
1547 | ||
1548 | s->dgram_dst = saddr; | |
1549 | ||
1550 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
1551 | "socket: mcast=%s:%d", | |
1552 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
1553 | return 0; | |
1554 | ||
1555 | } | |
1556 | ||
1557 | /* find or alloc a new VLAN */ | |
1558 | VLANState *qemu_find_vlan(int id) | |
1559 | { | |
1560 | VLANState **pvlan, *vlan; | |
1561 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
1562 | if (vlan->id == id) | |
1563 | return vlan; | |
1564 | } | |
1565 | vlan = qemu_mallocz(sizeof(VLANState)); | |
63a01ef8 AL |
1566 | vlan->id = id; |
1567 | vlan->next = NULL; | |
1568 | pvlan = &first_vlan; | |
1569 | while (*pvlan != NULL) | |
1570 | pvlan = &(*pvlan)->next; | |
1571 | *pvlan = vlan; | |
1572 | return vlan; | |
1573 | } | |
1574 | ||
7697079b AL |
1575 | static int nic_get_free_idx(void) |
1576 | { | |
1577 | int index; | |
1578 | ||
1579 | for (index = 0; index < MAX_NICS; index++) | |
1580 | if (!nd_table[index].used) | |
1581 | return index; | |
1582 | return -1; | |
1583 | } | |
1584 | ||
d07f22c5 AL |
1585 | void qemu_check_nic_model(NICInfo *nd, const char *model) |
1586 | { | |
1587 | const char *models[2]; | |
1588 | ||
1589 | models[0] = model; | |
1590 | models[1] = NULL; | |
1591 | ||
1592 | qemu_check_nic_model_list(nd, models, model); | |
1593 | } | |
1594 | ||
1595 | void qemu_check_nic_model_list(NICInfo *nd, const char * const *models, | |
1596 | const char *default_model) | |
1597 | { | |
1598 | int i, exit_status = 0; | |
1599 | ||
1600 | if (!nd->model) | |
1601 | nd->model = strdup(default_model); | |
1602 | ||
1603 | if (strcmp(nd->model, "?") != 0) { | |
1604 | for (i = 0 ; models[i]; i++) | |
1605 | if (strcmp(nd->model, models[i]) == 0) | |
1606 | return; | |
1607 | ||
1608 | fprintf(stderr, "qemu: Unsupported NIC model: %s\n", nd->model); | |
1609 | exit_status = 1; | |
1610 | } | |
1611 | ||
1612 | fprintf(stderr, "qemu: Supported NIC models: "); | |
1613 | for (i = 0 ; models[i]; i++) | |
1614 | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); | |
1615 | ||
1616 | exit(exit_status); | |
1617 | } | |
1618 | ||
63a01ef8 AL |
1619 | int net_client_init(const char *device, const char *p) |
1620 | { | |
1621 | char buf[1024]; | |
1622 | int vlan_id, ret; | |
1623 | VLANState *vlan; | |
7a9f6e4a | 1624 | char *name = NULL; |
63a01ef8 AL |
1625 | |
1626 | vlan_id = 0; | |
1627 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
1628 | vlan_id = strtol(buf, NULL, 0); | |
1629 | } | |
1630 | vlan = qemu_find_vlan(vlan_id); | |
eb5951f3 | 1631 | |
7a9f6e4a AL |
1632 | if (get_param_value(buf, sizeof(buf), "name", p)) { |
1633 | name = strdup(buf); | |
1634 | } | |
63a01ef8 AL |
1635 | if (!strcmp(device, "nic")) { |
1636 | NICInfo *nd; | |
1637 | uint8_t *macaddr; | |
7697079b | 1638 | int idx = nic_get_free_idx(); |
63a01ef8 | 1639 | |
7697079b | 1640 | if (idx == -1 || nb_nics >= MAX_NICS) { |
63a01ef8 | 1641 | fprintf(stderr, "Too Many NICs\n"); |
76dcd492 AL |
1642 | ret = -1; |
1643 | goto out; | |
63a01ef8 | 1644 | } |
7697079b | 1645 | nd = &nd_table[idx]; |
63a01ef8 AL |
1646 | macaddr = nd->macaddr; |
1647 | macaddr[0] = 0x52; | |
1648 | macaddr[1] = 0x54; | |
1649 | macaddr[2] = 0x00; | |
1650 | macaddr[3] = 0x12; | |
1651 | macaddr[4] = 0x34; | |
7697079b | 1652 | macaddr[5] = 0x56 + idx; |
63a01ef8 AL |
1653 | |
1654 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
1655 | if (parse_macaddr(macaddr, buf) < 0) { | |
1656 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
76dcd492 AL |
1657 | ret = -1; |
1658 | goto out; | |
63a01ef8 AL |
1659 | } |
1660 | } | |
1661 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
1662 | nd->model = strdup(buf); | |
1663 | } | |
1664 | nd->vlan = vlan; | |
7a9f6e4a | 1665 | nd->name = name; |
7697079b | 1666 | nd->used = 1; |
7a9f6e4a | 1667 | name = NULL; |
63a01ef8 AL |
1668 | nb_nics++; |
1669 | vlan->nb_guest_devs++; | |
4d73cd3b | 1670 | ret = idx; |
63a01ef8 AL |
1671 | } else |
1672 | if (!strcmp(device, "none")) { | |
1673 | /* does nothing. It is needed to signal that no network cards | |
1674 | are wanted */ | |
1675 | ret = 0; | |
1676 | } else | |
1677 | #ifdef CONFIG_SLIRP | |
1678 | if (!strcmp(device, "user")) { | |
1679 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { | |
1680 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
1681 | } | |
49ec9b40 AL |
1682 | if (get_param_value(buf, sizeof(buf), "restrict", p)) { |
1683 | slirp_restrict = (buf[0] == 'y') ? 1 : 0; | |
1684 | } | |
1685 | if (get_param_value(buf, sizeof(buf), "ip", p)) { | |
1686 | slirp_ip = strdup(buf); | |
1687 | } | |
63a01ef8 | 1688 | vlan->nb_host_devs++; |
7a9f6e4a | 1689 | ret = net_slirp_init(vlan, device, name); |
8ca9217d AL |
1690 | } else if (!strcmp(device, "channel")) { |
1691 | long port; | |
1692 | char name[20], *devname; | |
1693 | struct VMChannel *vmc; | |
1694 | ||
1695 | port = strtol(p, &devname, 10); | |
1696 | devname++; | |
1697 | if (port < 1 || port > 65535) { | |
76dcd492 AL |
1698 | fprintf(stderr, "vmchannel wrong port number\n"); |
1699 | ret = -1; | |
1700 | goto out; | |
8ca9217d AL |
1701 | } |
1702 | vmc = malloc(sizeof(struct VMChannel)); | |
1703 | snprintf(name, 20, "vmchannel%ld", port); | |
1704 | vmc->hd = qemu_chr_open(name, devname, NULL); | |
1705 | if (!vmc->hd) { | |
1706 | fprintf(stderr, "qemu: could not open vmchannel device" | |
1707 | "'%s'\n", devname); | |
76dcd492 AL |
1708 | ret = -1; |
1709 | goto out; | |
8ca9217d AL |
1710 | } |
1711 | vmc->port = port; | |
1712 | slirp_add_exec(3, vmc->hd, 4, port); | |
1713 | qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read, | |
1714 | NULL, vmc); | |
1715 | ret = 0; | |
63a01ef8 AL |
1716 | } else |
1717 | #endif | |
1718 | #ifdef _WIN32 | |
1719 | if (!strcmp(device, "tap")) { | |
1720 | char ifname[64]; | |
1721 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
1722 | fprintf(stderr, "tap: no interface name\n"); | |
76dcd492 AL |
1723 | ret = -1; |
1724 | goto out; | |
63a01ef8 AL |
1725 | } |
1726 | vlan->nb_host_devs++; | |
7a9f6e4a | 1727 | ret = tap_win32_init(vlan, device, name, ifname); |
63a01ef8 | 1728 | } else |
b29fe3ed | 1729 | #elif defined (_AIX) |
63a01ef8 AL |
1730 | #else |
1731 | if (!strcmp(device, "tap")) { | |
1732 | char ifname[64]; | |
1733 | char setup_script[1024], down_script[1024]; | |
1734 | int fd; | |
1735 | vlan->nb_host_devs++; | |
1736 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
1737 | fd = strtol(buf, NULL, 0); | |
1738 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
eb5951f3 AL |
1739 | net_tap_fd_init(vlan, device, name, fd); |
1740 | ret = 0; | |
63a01ef8 AL |
1741 | } else { |
1742 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
1743 | ifname[0] = '\0'; | |
1744 | } | |
1745 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
1746 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
1747 | } | |
1748 | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { | |
1749 | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT); | |
1750 | } | |
7a9f6e4a | 1751 | ret = net_tap_init(vlan, device, name, ifname, setup_script, down_script); |
63a01ef8 AL |
1752 | } |
1753 | } else | |
1754 | #endif | |
1755 | if (!strcmp(device, "socket")) { | |
1756 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
1757 | int fd; | |
1758 | fd = strtol(buf, NULL, 0); | |
1759 | ret = -1; | |
7a9f6e4a | 1760 | if (net_socket_fd_init(vlan, device, name, fd, 1)) |
63a01ef8 AL |
1761 | ret = 0; |
1762 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
7a9f6e4a | 1763 | ret = net_socket_listen_init(vlan, device, name, buf); |
63a01ef8 | 1764 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
7a9f6e4a | 1765 | ret = net_socket_connect_init(vlan, device, name, buf); |
63a01ef8 | 1766 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
7a9f6e4a | 1767 | ret = net_socket_mcast_init(vlan, device, name, buf); |
63a01ef8 AL |
1768 | } else { |
1769 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
76dcd492 AL |
1770 | ret = -1; |
1771 | goto out; | |
63a01ef8 AL |
1772 | } |
1773 | vlan->nb_host_devs++; | |
1774 | } else | |
1775 | #ifdef CONFIG_VDE | |
1776 | if (!strcmp(device, "vde")) { | |
1777 | char vde_sock[1024], vde_group[512]; | |
1778 | int vde_port, vde_mode; | |
1779 | vlan->nb_host_devs++; | |
1780 | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { | |
1781 | vde_sock[0] = '\0'; | |
1782 | } | |
1783 | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { | |
1784 | vde_port = strtol(buf, NULL, 10); | |
1785 | } else { | |
1786 | vde_port = 0; | |
1787 | } | |
1788 | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { | |
1789 | vde_group[0] = '\0'; | |
1790 | } | |
1791 | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { | |
1792 | vde_mode = strtol(buf, NULL, 8); | |
1793 | } else { | |
1794 | vde_mode = 0700; | |
1795 | } | |
7a9f6e4a | 1796 | ret = net_vde_init(vlan, device, name, vde_sock, vde_port, vde_group, vde_mode); |
63a01ef8 AL |
1797 | } else |
1798 | #endif | |
1799 | { | |
1800 | fprintf(stderr, "Unknown network device: %s\n", device); | |
76dcd492 AL |
1801 | ret = -1; |
1802 | goto out; | |
63a01ef8 AL |
1803 | } |
1804 | if (ret < 0) { | |
1805 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
1806 | } | |
76dcd492 | 1807 | out: |
7a9f6e4a AL |
1808 | if (name) |
1809 | free(name); | |
63a01ef8 AL |
1810 | return ret; |
1811 | } | |
1812 | ||
8b13c4a7 AL |
1813 | void net_client_uninit(NICInfo *nd) |
1814 | { | |
1815 | nd->vlan->nb_guest_devs--; | |
1816 | nb_nics--; | |
1817 | nd->used = 0; | |
1818 | free((void *)nd->model); | |
1819 | } | |
1820 | ||
6f338c34 AL |
1821 | static int net_host_check_device(const char *device) |
1822 | { | |
1823 | int i; | |
1824 | const char *valid_param_list[] = { "tap", "socket" | |
1825 | #ifdef CONFIG_SLIRP | |
1826 | ,"user" | |
1827 | #endif | |
1828 | #ifdef CONFIG_VDE | |
1829 | ,"vde" | |
1830 | #endif | |
1831 | }; | |
1832 | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { | |
1833 | if (!strncmp(valid_param_list[i], device, | |
1834 | strlen(valid_param_list[i]))) | |
1835 | return 1; | |
1836 | } | |
1837 | ||
1838 | return 0; | |
1839 | } | |
1840 | ||
1841 | void net_host_device_add(const char *device, const char *opts) | |
1842 | { | |
1843 | if (!net_host_check_device(device)) { | |
1844 | term_printf("invalid host network device %s\n", device); | |
1845 | return; | |
1846 | } | |
1847 | net_client_init(device, opts); | |
1848 | } | |
1849 | ||
1850 | void net_host_device_remove(int vlan_id, const char *device) | |
1851 | { | |
1852 | VLANState *vlan; | |
1853 | VLANClientState *vc; | |
1854 | ||
6f338c34 | 1855 | vlan = qemu_find_vlan(vlan_id); |
6f338c34 AL |
1856 | |
1857 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
1858 | if (!strcmp(vc->name, device)) | |
1859 | break; | |
1860 | ||
1861 | if (!vc) { | |
1862 | term_printf("can't find device %s\n", device); | |
1863 | return; | |
1864 | } | |
1865 | qemu_del_vlan_client(vc); | |
1866 | } | |
1867 | ||
63a01ef8 AL |
1868 | int net_client_parse(const char *str) |
1869 | { | |
1870 | const char *p; | |
1871 | char *q; | |
1872 | char device[64]; | |
1873 | ||
1874 | p = str; | |
1875 | q = device; | |
1876 | while (*p != '\0' && *p != ',') { | |
1877 | if ((q - device) < sizeof(device) - 1) | |
1878 | *q++ = *p; | |
1879 | p++; | |
1880 | } | |
1881 | *q = '\0'; | |
1882 | if (*p == ',') | |
1883 | p++; | |
1884 | ||
1885 | return net_client_init(device, p); | |
1886 | } | |
1887 | ||
1888 | void do_info_network(void) | |
1889 | { | |
1890 | VLANState *vlan; | |
1891 | VLANClientState *vc; | |
1892 | ||
1893 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
1894 | term_printf("VLAN %d devices:\n", vlan->id); | |
1895 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
7cb7434b | 1896 | term_printf(" %s: %s\n", vc->name, vc->info_str); |
63a01ef8 AL |
1897 | } |
1898 | } | |
1899 | ||
436e5e53 AL |
1900 | int do_set_link(const char *name, const char *up_or_down) |
1901 | { | |
1902 | VLANState *vlan; | |
1903 | VLANClientState *vc = NULL; | |
1904 | ||
1905 | for (vlan = first_vlan; vlan != NULL; vlan = vlan->next) | |
1906 | for (vc = vlan->first_client; vc != NULL; vc = vc->next) | |
1907 | if (strcmp(vc->name, name) == 0) | |
dd5de373 EI |
1908 | goto done; |
1909 | done: | |
436e5e53 AL |
1910 | |
1911 | if (!vc) { | |
1912 | term_printf("could not find network device '%s'", name); | |
1913 | return 0; | |
1914 | } | |
1915 | ||
1916 | if (strcmp(up_or_down, "up") == 0) | |
1917 | vc->link_down = 0; | |
1918 | else if (strcmp(up_or_down, "down") == 0) | |
1919 | vc->link_down = 1; | |
1920 | else | |
1921 | term_printf("invalid link status '%s'; only 'up' or 'down' valid\n", | |
1922 | up_or_down); | |
1923 | ||
34b25ca7 AL |
1924 | if (vc->link_status_changed) |
1925 | vc->link_status_changed(vc); | |
1926 | ||
436e5e53 AL |
1927 | return 1; |
1928 | } | |
1929 | ||
63a01ef8 AL |
1930 | void net_cleanup(void) |
1931 | { | |
1932 | VLANState *vlan; | |
1933 | ||
63a01ef8 AL |
1934 | /* close network clients */ |
1935 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
a34b6eb7 | 1936 | VLANClientState *vc = vlan->first_client; |
63a01ef8 | 1937 | |
a34b6eb7 AL |
1938 | while (vc) { |
1939 | VLANClientState *next = vc->next; | |
63a01ef8 | 1940 | |
a34b6eb7 AL |
1941 | qemu_del_vlan_client(vc); |
1942 | ||
1943 | vc = next; | |
63a01ef8 AL |
1944 | } |
1945 | } | |
63a01ef8 AL |
1946 | } |
1947 | ||
1948 | void net_client_check(void) | |
1949 | { | |
1950 | VLANState *vlan; | |
1951 | ||
1952 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
1953 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) | |
1954 | continue; | |
1955 | if (vlan->nb_guest_devs == 0) | |
1956 | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); | |
1957 | if (vlan->nb_host_devs == 0) | |
1958 | fprintf(stderr, | |
1959 | "Warning: vlan %d is not connected to host network\n", | |
1960 | vlan->id); | |
1961 | } | |
1962 | } |