root / net / slirp.c @ 0834c9ea
History | View | Annotate | Download (21.3 kB)
1 | 68ac40d2 | Mark McLoughlin | /*
|
---|---|---|---|
2 | 68ac40d2 | Mark McLoughlin | * QEMU System Emulator
|
3 | 68ac40d2 | Mark McLoughlin | *
|
4 | 68ac40d2 | Mark McLoughlin | * Copyright (c) 2003-2008 Fabrice Bellard
|
5 | 68ac40d2 | Mark McLoughlin | *
|
6 | 68ac40d2 | Mark McLoughlin | * Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 | 68ac40d2 | Mark McLoughlin | * of this software and associated documentation files (the "Software"), to deal
|
8 | 68ac40d2 | Mark McLoughlin | * in the Software without restriction, including without limitation the rights
|
9 | 68ac40d2 | Mark McLoughlin | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 | 68ac40d2 | Mark McLoughlin | * copies of the Software, and to permit persons to whom the Software is
|
11 | 68ac40d2 | Mark McLoughlin | * furnished to do so, subject to the following conditions:
|
12 | 68ac40d2 | Mark McLoughlin | *
|
13 | 68ac40d2 | Mark McLoughlin | * The above copyright notice and this permission notice shall be included in
|
14 | 68ac40d2 | Mark McLoughlin | * all copies or substantial portions of the Software.
|
15 | 68ac40d2 | Mark McLoughlin | *
|
16 | 68ac40d2 | Mark McLoughlin | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 | 68ac40d2 | Mark McLoughlin | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 | 68ac40d2 | Mark McLoughlin | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 | 68ac40d2 | Mark McLoughlin | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 | 68ac40d2 | Mark McLoughlin | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 | 68ac40d2 | Mark McLoughlin | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 | 68ac40d2 | Mark McLoughlin | * THE SOFTWARE.
|
23 | 68ac40d2 | Mark McLoughlin | */
|
24 | 68ac40d2 | Mark McLoughlin | #include "net/slirp.h" |
25 | 68ac40d2 | Mark McLoughlin | |
26 | 68ac40d2 | Mark McLoughlin | #include "config-host.h" |
27 | 68ac40d2 | Mark McLoughlin | |
28 | 28b150bf | Blue Swirl | #ifndef _WIN32
|
29 | 1cb1c5d1 | Jan Kiszka | #include <pwd.h> |
30 | 28b150bf | Blue Swirl | #include <sys/wait.h> |
31 | 28b150bf | Blue Swirl | #endif
|
32 | 68ac40d2 | Mark McLoughlin | #include "net.h" |
33 | 90d87a33 | Stefan Hajnoczi | #include "net/hub.h" |
34 | 68ac40d2 | Mark McLoughlin | #include "monitor.h" |
35 | 68ac40d2 | Mark McLoughlin | #include "qemu_socket.h" |
36 | 68ac40d2 | Mark McLoughlin | #include "slirp/libslirp.h" |
37 | 68ac40d2 | Mark McLoughlin | |
38 | 68ac40d2 | Mark McLoughlin | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
39 | 68ac40d2 | Mark McLoughlin | { |
40 | 68ac40d2 | Mark McLoughlin | const char *p, *p1; |
41 | 68ac40d2 | Mark McLoughlin | int len;
|
42 | 68ac40d2 | Mark McLoughlin | p = *pp; |
43 | 68ac40d2 | Mark McLoughlin | p1 = strchr(p, sep); |
44 | 68ac40d2 | Mark McLoughlin | if (!p1)
|
45 | 68ac40d2 | Mark McLoughlin | return -1; |
46 | 68ac40d2 | Mark McLoughlin | len = p1 - p; |
47 | 68ac40d2 | Mark McLoughlin | p1++; |
48 | 68ac40d2 | Mark McLoughlin | if (buf_size > 0) { |
49 | 68ac40d2 | Mark McLoughlin | if (len > buf_size - 1) |
50 | 68ac40d2 | Mark McLoughlin | len = buf_size - 1;
|
51 | 68ac40d2 | Mark McLoughlin | memcpy(buf, p, len); |
52 | 68ac40d2 | Mark McLoughlin | buf[len] = '\0';
|
53 | 68ac40d2 | Mark McLoughlin | } |
54 | 68ac40d2 | Mark McLoughlin | *pp = p1; |
55 | 68ac40d2 | Mark McLoughlin | return 0; |
56 | 68ac40d2 | Mark McLoughlin | } |
57 | 68ac40d2 | Mark McLoughlin | |
58 | 68ac40d2 | Mark McLoughlin | /* slirp network adapter */
|
59 | 68ac40d2 | Mark McLoughlin | |
60 | 68ac40d2 | Mark McLoughlin | #define SLIRP_CFG_HOSTFWD 1 |
61 | 68ac40d2 | Mark McLoughlin | #define SLIRP_CFG_LEGACY 2 |
62 | 68ac40d2 | Mark McLoughlin | |
63 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str {
|
64 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str *next;
|
65 | 68ac40d2 | Mark McLoughlin | int flags;
|
66 | 68ac40d2 | Mark McLoughlin | char str[1024]; |
67 | 68ac40d2 | Mark McLoughlin | int legacy_format;
|
68 | 68ac40d2 | Mark McLoughlin | }; |
69 | 68ac40d2 | Mark McLoughlin | |
70 | 68ac40d2 | Mark McLoughlin | typedef struct SlirpState { |
71 | 4e68f7a0 | Stefan Hajnoczi | NetClientState nc; |
72 | 68ac40d2 | Mark McLoughlin | QTAILQ_ENTRY(SlirpState) entry; |
73 | 68ac40d2 | Mark McLoughlin | Slirp *slirp; |
74 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
75 | 68ac40d2 | Mark McLoughlin | char smb_dir[128]; |
76 | 68ac40d2 | Mark McLoughlin | #endif
|
77 | 68ac40d2 | Mark McLoughlin | } SlirpState; |
78 | 68ac40d2 | Mark McLoughlin | |
79 | 68ac40d2 | Mark McLoughlin | static struct slirp_config_str *slirp_configs; |
80 | 68ac40d2 | Mark McLoughlin | const char *legacy_tftp_prefix; |
81 | 68ac40d2 | Mark McLoughlin | const char *legacy_bootp_filename; |
82 | 68ac40d2 | Mark McLoughlin | static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
|
83 | 68ac40d2 | Mark McLoughlin | QTAILQ_HEAD_INITIALIZER(slirp_stacks); |
84 | 68ac40d2 | Mark McLoughlin | |
85 | 68ac40d2 | Mark McLoughlin | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
86 | 68ac40d2 | Mark McLoughlin | int legacy_format);
|
87 | 68ac40d2 | Mark McLoughlin | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
88 | 68ac40d2 | Mark McLoughlin | int legacy_format);
|
89 | 68ac40d2 | Mark McLoughlin | |
90 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
91 | 68ac40d2 | Mark McLoughlin | static const char *legacy_smb_export; |
92 | 68ac40d2 | Mark McLoughlin | |
93 | 68ac40d2 | Mark McLoughlin | static int slirp_smb(SlirpState *s, const char *exported_dir, |
94 | 68ac40d2 | Mark McLoughlin | struct in_addr vserver_addr);
|
95 | 68ac40d2 | Mark McLoughlin | static void slirp_smb_cleanup(SlirpState *s); |
96 | 68ac40d2 | Mark McLoughlin | #else
|
97 | 68ac40d2 | Mark McLoughlin | static inline void slirp_smb_cleanup(SlirpState *s) { } |
98 | 68ac40d2 | Mark McLoughlin | #endif
|
99 | 68ac40d2 | Mark McLoughlin | |
100 | 68ac40d2 | Mark McLoughlin | void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) |
101 | 68ac40d2 | Mark McLoughlin | { |
102 | 68ac40d2 | Mark McLoughlin | SlirpState *s = opaque; |
103 | 68ac40d2 | Mark McLoughlin | |
104 | ce20b5be | Mark McLoughlin | qemu_send_packet(&s->nc, pkt, pkt_len); |
105 | 68ac40d2 | Mark McLoughlin | } |
106 | 68ac40d2 | Mark McLoughlin | |
107 | 4e68f7a0 | Stefan Hajnoczi | static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
108 | 68ac40d2 | Mark McLoughlin | { |
109 | ce20b5be | Mark McLoughlin | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
110 | 68ac40d2 | Mark McLoughlin | |
111 | 68ac40d2 | Mark McLoughlin | slirp_input(s->slirp, buf, size); |
112 | 68ac40d2 | Mark McLoughlin | |
113 | 68ac40d2 | Mark McLoughlin | return size;
|
114 | 68ac40d2 | Mark McLoughlin | } |
115 | 68ac40d2 | Mark McLoughlin | |
116 | 4e68f7a0 | Stefan Hajnoczi | static void net_slirp_cleanup(NetClientState *nc) |
117 | 68ac40d2 | Mark McLoughlin | { |
118 | ce20b5be | Mark McLoughlin | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
119 | 68ac40d2 | Mark McLoughlin | |
120 | 68ac40d2 | Mark McLoughlin | slirp_cleanup(s->slirp); |
121 | 68ac40d2 | Mark McLoughlin | slirp_smb_cleanup(s); |
122 | 68ac40d2 | Mark McLoughlin | QTAILQ_REMOVE(&slirp_stacks, s, entry); |
123 | 68ac40d2 | Mark McLoughlin | } |
124 | 68ac40d2 | Mark McLoughlin | |
125 | ce20b5be | Mark McLoughlin | static NetClientInfo net_slirp_info = {
|
126 | 2be64a68 | Laszlo Ersek | .type = NET_CLIENT_OPTIONS_KIND_USER, |
127 | ce20b5be | Mark McLoughlin | .size = sizeof(SlirpState),
|
128 | ce20b5be | Mark McLoughlin | .receive = net_slirp_receive, |
129 | ce20b5be | Mark McLoughlin | .cleanup = net_slirp_cleanup, |
130 | ce20b5be | Mark McLoughlin | }; |
131 | ce20b5be | Mark McLoughlin | |
132 | 4e68f7a0 | Stefan Hajnoczi | static int net_slirp_init(NetClientState *peer, const char *model, |
133 | 68ac40d2 | Mark McLoughlin | const char *name, int restricted, |
134 | 68ac40d2 | Mark McLoughlin | const char *vnetwork, const char *vhost, |
135 | 68ac40d2 | Mark McLoughlin | const char *vhostname, const char *tftp_export, |
136 | 68ac40d2 | Mark McLoughlin | const char *bootfile, const char *vdhcp_start, |
137 | 68ac40d2 | Mark McLoughlin | const char *vnameserver, const char *smb_export, |
138 | 68ac40d2 | Mark McLoughlin | const char *vsmbserver) |
139 | 68ac40d2 | Mark McLoughlin | { |
140 | 68ac40d2 | Mark McLoughlin | /* default settings according to historic slirp */
|
141 | 68ac40d2 | Mark McLoughlin | struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */ |
142 | 68ac40d2 | Mark McLoughlin | struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */ |
143 | 68ac40d2 | Mark McLoughlin | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ |
144 | 68ac40d2 | Mark McLoughlin | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ |
145 | 68ac40d2 | Mark McLoughlin | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ |
146 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
147 | 68ac40d2 | Mark McLoughlin | struct in_addr smbsrv = { .s_addr = 0 }; |
148 | 68ac40d2 | Mark McLoughlin | #endif
|
149 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *nc; |
150 | 68ac40d2 | Mark McLoughlin | SlirpState *s; |
151 | 68ac40d2 | Mark McLoughlin | char buf[20]; |
152 | 68ac40d2 | Mark McLoughlin | uint32_t addr; |
153 | 68ac40d2 | Mark McLoughlin | int shift;
|
154 | 68ac40d2 | Mark McLoughlin | char *end;
|
155 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str *config;
|
156 | 68ac40d2 | Mark McLoughlin | |
157 | 68ac40d2 | Mark McLoughlin | if (!tftp_export) {
|
158 | 68ac40d2 | Mark McLoughlin | tftp_export = legacy_tftp_prefix; |
159 | 68ac40d2 | Mark McLoughlin | } |
160 | 68ac40d2 | Mark McLoughlin | if (!bootfile) {
|
161 | 68ac40d2 | Mark McLoughlin | bootfile = legacy_bootp_filename; |
162 | 68ac40d2 | Mark McLoughlin | } |
163 | 68ac40d2 | Mark McLoughlin | |
164 | 68ac40d2 | Mark McLoughlin | if (vnetwork) {
|
165 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { |
166 | 68ac40d2 | Mark McLoughlin | if (!inet_aton(vnetwork, &net)) {
|
167 | 68ac40d2 | Mark McLoughlin | return -1; |
168 | 68ac40d2 | Mark McLoughlin | } |
169 | 68ac40d2 | Mark McLoughlin | addr = ntohl(net.s_addr); |
170 | 68ac40d2 | Mark McLoughlin | if (!(addr & 0x80000000)) { |
171 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xff000000); /* class A */ |
172 | 68ac40d2 | Mark McLoughlin | } else if ((addr & 0xfff00000) == 0xac100000) { |
173 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ |
174 | 68ac40d2 | Mark McLoughlin | } else if ((addr & 0xc0000000) == 0x80000000) { |
175 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xffff0000); /* class B */ |
176 | 68ac40d2 | Mark McLoughlin | } else if ((addr & 0xffff0000) == 0xc0a80000) { |
177 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ |
178 | 68ac40d2 | Mark McLoughlin | } else if ((addr & 0xffff0000) == 0xc6120000) { |
179 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ |
180 | 68ac40d2 | Mark McLoughlin | } else if ((addr & 0xe0000000) == 0xe0000000) { |
181 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xffffff00); /* class C */ |
182 | 68ac40d2 | Mark McLoughlin | } else {
|
183 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ |
184 | 68ac40d2 | Mark McLoughlin | } |
185 | 68ac40d2 | Mark McLoughlin | } else {
|
186 | 68ac40d2 | Mark McLoughlin | if (!inet_aton(buf, &net)) {
|
187 | 68ac40d2 | Mark McLoughlin | return -1; |
188 | 68ac40d2 | Mark McLoughlin | } |
189 | 68ac40d2 | Mark McLoughlin | shift = strtol(vnetwork, &end, 10);
|
190 | 68ac40d2 | Mark McLoughlin | if (*end != '\0') { |
191 | 68ac40d2 | Mark McLoughlin | if (!inet_aton(vnetwork, &mask)) {
|
192 | 68ac40d2 | Mark McLoughlin | return -1; |
193 | 68ac40d2 | Mark McLoughlin | } |
194 | 68ac40d2 | Mark McLoughlin | } else if (shift < 4 || shift > 32) { |
195 | 68ac40d2 | Mark McLoughlin | return -1; |
196 | 68ac40d2 | Mark McLoughlin | } else {
|
197 | 68ac40d2 | Mark McLoughlin | mask.s_addr = htonl(0xffffffff << (32 - shift)); |
198 | 68ac40d2 | Mark McLoughlin | } |
199 | 68ac40d2 | Mark McLoughlin | } |
200 | 68ac40d2 | Mark McLoughlin | net.s_addr &= mask.s_addr; |
201 | 68ac40d2 | Mark McLoughlin | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr);
|
202 | 68ac40d2 | Mark McLoughlin | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr);
|
203 | 68ac40d2 | Mark McLoughlin | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr);
|
204 | 68ac40d2 | Mark McLoughlin | } |
205 | 68ac40d2 | Mark McLoughlin | |
206 | 68ac40d2 | Mark McLoughlin | if (vhost && !inet_aton(vhost, &host)) {
|
207 | 68ac40d2 | Mark McLoughlin | return -1; |
208 | 68ac40d2 | Mark McLoughlin | } |
209 | 68ac40d2 | Mark McLoughlin | if ((host.s_addr & mask.s_addr) != net.s_addr) {
|
210 | 68ac40d2 | Mark McLoughlin | return -1; |
211 | 68ac40d2 | Mark McLoughlin | } |
212 | 68ac40d2 | Mark McLoughlin | |
213 | 68ac40d2 | Mark McLoughlin | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) {
|
214 | 68ac40d2 | Mark McLoughlin | return -1; |
215 | 68ac40d2 | Mark McLoughlin | } |
216 | 68ac40d2 | Mark McLoughlin | if ((dhcp.s_addr & mask.s_addr) != net.s_addr ||
|
217 | 68ac40d2 | Mark McLoughlin | dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { |
218 | 68ac40d2 | Mark McLoughlin | return -1; |
219 | 68ac40d2 | Mark McLoughlin | } |
220 | 68ac40d2 | Mark McLoughlin | |
221 | 68ac40d2 | Mark McLoughlin | if (vnameserver && !inet_aton(vnameserver, &dns)) {
|
222 | 68ac40d2 | Mark McLoughlin | return -1; |
223 | 68ac40d2 | Mark McLoughlin | } |
224 | 68ac40d2 | Mark McLoughlin | if ((dns.s_addr & mask.s_addr) != net.s_addr ||
|
225 | 68ac40d2 | Mark McLoughlin | dns.s_addr == host.s_addr) { |
226 | 68ac40d2 | Mark McLoughlin | return -1; |
227 | 68ac40d2 | Mark McLoughlin | } |
228 | 68ac40d2 | Mark McLoughlin | |
229 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
230 | 68ac40d2 | Mark McLoughlin | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
|
231 | 68ac40d2 | Mark McLoughlin | return -1; |
232 | 68ac40d2 | Mark McLoughlin | } |
233 | 68ac40d2 | Mark McLoughlin | #endif
|
234 | 68ac40d2 | Mark McLoughlin | |
235 | ab5f3f84 | Stefan Hajnoczi | nc = qemu_new_net_client(&net_slirp_info, peer, model, name); |
236 | ce20b5be | Mark McLoughlin | |
237 | ce20b5be | Mark McLoughlin | snprintf(nc->info_str, sizeof(nc->info_str),
|
238 | c54ed5bc | Jan Kiszka | "net=%s,restrict=%s", inet_ntoa(net),
|
239 | c54ed5bc | Jan Kiszka | restricted ? "on" : "off"); |
240 | ce20b5be | Mark McLoughlin | |
241 | ce20b5be | Mark McLoughlin | s = DO_UPCAST(SlirpState, nc, nc); |
242 | ce20b5be | Mark McLoughlin | |
243 | 68ac40d2 | Mark McLoughlin | s->slirp = slirp_init(restricted, net, mask, host, vhostname, |
244 | 68ac40d2 | Mark McLoughlin | tftp_export, bootfile, dhcp, dns, s); |
245 | 68ac40d2 | Mark McLoughlin | QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
246 | 68ac40d2 | Mark McLoughlin | |
247 | 68ac40d2 | Mark McLoughlin | for (config = slirp_configs; config; config = config->next) {
|
248 | 68ac40d2 | Mark McLoughlin | if (config->flags & SLIRP_CFG_HOSTFWD) {
|
249 | 68ac40d2 | Mark McLoughlin | if (slirp_hostfwd(s, config->str,
|
250 | 68ac40d2 | Mark McLoughlin | config->flags & SLIRP_CFG_LEGACY) < 0)
|
251 | ce20b5be | Mark McLoughlin | goto error;
|
252 | 68ac40d2 | Mark McLoughlin | } else {
|
253 | 68ac40d2 | Mark McLoughlin | if (slirp_guestfwd(s, config->str,
|
254 | 68ac40d2 | Mark McLoughlin | config->flags & SLIRP_CFG_LEGACY) < 0)
|
255 | ce20b5be | Mark McLoughlin | goto error;
|
256 | 68ac40d2 | Mark McLoughlin | } |
257 | 68ac40d2 | Mark McLoughlin | } |
258 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
259 | 68ac40d2 | Mark McLoughlin | if (!smb_export) {
|
260 | 68ac40d2 | Mark McLoughlin | smb_export = legacy_smb_export; |
261 | 68ac40d2 | Mark McLoughlin | } |
262 | 68ac40d2 | Mark McLoughlin | if (smb_export) {
|
263 | 68ac40d2 | Mark McLoughlin | if (slirp_smb(s, smb_export, smbsrv) < 0) |
264 | ce20b5be | Mark McLoughlin | goto error;
|
265 | 68ac40d2 | Mark McLoughlin | } |
266 | 68ac40d2 | Mark McLoughlin | #endif
|
267 | 68ac40d2 | Mark McLoughlin | |
268 | 68ac40d2 | Mark McLoughlin | return 0; |
269 | ce20b5be | Mark McLoughlin | |
270 | ce20b5be | Mark McLoughlin | error:
|
271 | b20c6b9e | Stefan Hajnoczi | qemu_del_net_client(nc); |
272 | ce20b5be | Mark McLoughlin | return -1; |
273 | 68ac40d2 | Mark McLoughlin | } |
274 | 68ac40d2 | Mark McLoughlin | |
275 | 68ac40d2 | Mark McLoughlin | static SlirpState *slirp_lookup(Monitor *mon, const char *vlan, |
276 | 68ac40d2 | Mark McLoughlin | const char *stack) |
277 | 68ac40d2 | Mark McLoughlin | { |
278 | 68ac40d2 | Mark McLoughlin | |
279 | 68ac40d2 | Mark McLoughlin | if (vlan) {
|
280 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *nc; |
281 | 90d87a33 | Stefan Hajnoczi | nc = net_hub_find_client_by_name(strtol(vlan, NULL, 0), stack); |
282 | ce20b5be | Mark McLoughlin | if (!nc) {
|
283 | 68ac40d2 | Mark McLoughlin | return NULL; |
284 | 68ac40d2 | Mark McLoughlin | } |
285 | ce20b5be | Mark McLoughlin | if (strcmp(nc->model, "user")) { |
286 | 68ac40d2 | Mark McLoughlin | monitor_printf(mon, "invalid device specified\n");
|
287 | 68ac40d2 | Mark McLoughlin | return NULL; |
288 | 68ac40d2 | Mark McLoughlin | } |
289 | ce20b5be | Mark McLoughlin | return DO_UPCAST(SlirpState, nc, nc);
|
290 | 68ac40d2 | Mark McLoughlin | } else {
|
291 | 68ac40d2 | Mark McLoughlin | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
292 | 68ac40d2 | Mark McLoughlin | monitor_printf(mon, "user mode network stack not in use\n");
|
293 | 68ac40d2 | Mark McLoughlin | return NULL; |
294 | 68ac40d2 | Mark McLoughlin | } |
295 | 68ac40d2 | Mark McLoughlin | return QTAILQ_FIRST(&slirp_stacks);
|
296 | 68ac40d2 | Mark McLoughlin | } |
297 | 68ac40d2 | Mark McLoughlin | } |
298 | 68ac40d2 | Mark McLoughlin | |
299 | 68ac40d2 | Mark McLoughlin | void net_slirp_hostfwd_remove(Monitor *mon, const QDict *qdict) |
300 | 68ac40d2 | Mark McLoughlin | { |
301 | 68ac40d2 | Mark McLoughlin | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
302 | 68ac40d2 | Mark McLoughlin | int host_port;
|
303 | e30e5eb6 | Markus Armbruster | char buf[256]; |
304 | 68ac40d2 | Mark McLoughlin | const char *src_str, *p; |
305 | 68ac40d2 | Mark McLoughlin | SlirpState *s; |
306 | 68ac40d2 | Mark McLoughlin | int is_udp = 0; |
307 | 68ac40d2 | Mark McLoughlin | int err;
|
308 | 68ac40d2 | Mark McLoughlin | const char *arg1 = qdict_get_str(qdict, "arg1"); |
309 | 68ac40d2 | Mark McLoughlin | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
310 | 68ac40d2 | Mark McLoughlin | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
311 | 68ac40d2 | Mark McLoughlin | |
312 | 68ac40d2 | Mark McLoughlin | if (arg2) {
|
313 | 68ac40d2 | Mark McLoughlin | s = slirp_lookup(mon, arg1, arg2); |
314 | 68ac40d2 | Mark McLoughlin | src_str = arg3; |
315 | 68ac40d2 | Mark McLoughlin | } else {
|
316 | 68ac40d2 | Mark McLoughlin | s = slirp_lookup(mon, NULL, NULL); |
317 | 68ac40d2 | Mark McLoughlin | src_str = arg1; |
318 | 68ac40d2 | Mark McLoughlin | } |
319 | 68ac40d2 | Mark McLoughlin | if (!s) {
|
320 | 68ac40d2 | Mark McLoughlin | return;
|
321 | 68ac40d2 | Mark McLoughlin | } |
322 | 68ac40d2 | Mark McLoughlin | |
323 | 68ac40d2 | Mark McLoughlin | p = src_str; |
324 | e30e5eb6 | Markus Armbruster | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
325 | e30e5eb6 | Markus Armbruster | goto fail_syntax;
|
326 | e30e5eb6 | Markus Armbruster | } |
327 | 68ac40d2 | Mark McLoughlin | |
328 | 68ac40d2 | Mark McLoughlin | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
329 | 68ac40d2 | Mark McLoughlin | is_udp = 0;
|
330 | 68ac40d2 | Mark McLoughlin | } else if (!strcmp(buf, "udp")) { |
331 | 68ac40d2 | Mark McLoughlin | is_udp = 1;
|
332 | 68ac40d2 | Mark McLoughlin | } else {
|
333 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
334 | 68ac40d2 | Mark McLoughlin | } |
335 | 68ac40d2 | Mark McLoughlin | |
336 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
337 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
338 | 68ac40d2 | Mark McLoughlin | } |
339 | 68ac40d2 | Mark McLoughlin | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
340 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
341 | 68ac40d2 | Mark McLoughlin | } |
342 | 68ac40d2 | Mark McLoughlin | |
343 | 68ac40d2 | Mark McLoughlin | host_port = atoi(p); |
344 | 68ac40d2 | Mark McLoughlin | |
345 | 68ac40d2 | Mark McLoughlin | err = slirp_remove_hostfwd(QTAILQ_FIRST(&slirp_stacks)->slirp, is_udp, |
346 | 68ac40d2 | Mark McLoughlin | host_addr, host_port); |
347 | 68ac40d2 | Mark McLoughlin | |
348 | 68ac40d2 | Mark McLoughlin | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str,
|
349 | b15ba6c9 | Geoffrey Thomas | err ? "not found" : "removed"); |
350 | 68ac40d2 | Mark McLoughlin | return;
|
351 | 68ac40d2 | Mark McLoughlin | |
352 | 68ac40d2 | Mark McLoughlin | fail_syntax:
|
353 | 68ac40d2 | Mark McLoughlin | monitor_printf(mon, "invalid format\n");
|
354 | 68ac40d2 | Mark McLoughlin | } |
355 | 68ac40d2 | Mark McLoughlin | |
356 | 68ac40d2 | Mark McLoughlin | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
357 | 68ac40d2 | Mark McLoughlin | int legacy_format)
|
358 | 68ac40d2 | Mark McLoughlin | { |
359 | 68ac40d2 | Mark McLoughlin | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
360 | 68ac40d2 | Mark McLoughlin | struct in_addr guest_addr = { .s_addr = 0 }; |
361 | 68ac40d2 | Mark McLoughlin | int host_port, guest_port;
|
362 | 68ac40d2 | Mark McLoughlin | const char *p; |
363 | 68ac40d2 | Mark McLoughlin | char buf[256]; |
364 | 68ac40d2 | Mark McLoughlin | int is_udp;
|
365 | 68ac40d2 | Mark McLoughlin | char *end;
|
366 | 68ac40d2 | Mark McLoughlin | |
367 | 68ac40d2 | Mark McLoughlin | p = redir_str; |
368 | 68ac40d2 | Mark McLoughlin | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
369 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
370 | 68ac40d2 | Mark McLoughlin | } |
371 | 68ac40d2 | Mark McLoughlin | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
372 | 68ac40d2 | Mark McLoughlin | is_udp = 0;
|
373 | 68ac40d2 | Mark McLoughlin | } else if (!strcmp(buf, "udp")) { |
374 | 68ac40d2 | Mark McLoughlin | is_udp = 1;
|
375 | 68ac40d2 | Mark McLoughlin | } else {
|
376 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
377 | 68ac40d2 | Mark McLoughlin | } |
378 | 68ac40d2 | Mark McLoughlin | |
379 | 68ac40d2 | Mark McLoughlin | if (!legacy_format) {
|
380 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
381 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
382 | 68ac40d2 | Mark McLoughlin | } |
383 | 68ac40d2 | Mark McLoughlin | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
384 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
385 | 68ac40d2 | Mark McLoughlin | } |
386 | 68ac40d2 | Mark McLoughlin | } |
387 | 68ac40d2 | Mark McLoughlin | |
388 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) { |
389 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
390 | 68ac40d2 | Mark McLoughlin | } |
391 | 68ac40d2 | Mark McLoughlin | host_port = strtol(buf, &end, 0);
|
392 | 68ac40d2 | Mark McLoughlin | if (*end != '\0' || host_port < 1 || host_port > 65535) { |
393 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
394 | 68ac40d2 | Mark McLoughlin | } |
395 | 68ac40d2 | Mark McLoughlin | |
396 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
397 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
398 | 68ac40d2 | Mark McLoughlin | } |
399 | 68ac40d2 | Mark McLoughlin | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { |
400 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
401 | 68ac40d2 | Mark McLoughlin | } |
402 | 68ac40d2 | Mark McLoughlin | |
403 | 68ac40d2 | Mark McLoughlin | guest_port = strtol(p, &end, 0);
|
404 | 68ac40d2 | Mark McLoughlin | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { |
405 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
406 | 68ac40d2 | Mark McLoughlin | } |
407 | 68ac40d2 | Mark McLoughlin | |
408 | 68ac40d2 | Mark McLoughlin | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr,
|
409 | 68ac40d2 | Mark McLoughlin | guest_port) < 0) {
|
410 | 1ecda02b | Markus Armbruster | error_report("could not set up host forwarding rule '%s'",
|
411 | 1ecda02b | Markus Armbruster | redir_str); |
412 | 68ac40d2 | Mark McLoughlin | return -1; |
413 | 68ac40d2 | Mark McLoughlin | } |
414 | 68ac40d2 | Mark McLoughlin | return 0; |
415 | 68ac40d2 | Mark McLoughlin | |
416 | 68ac40d2 | Mark McLoughlin | fail_syntax:
|
417 | 1ecda02b | Markus Armbruster | error_report("invalid host forwarding rule '%s'", redir_str);
|
418 | 68ac40d2 | Mark McLoughlin | return -1; |
419 | 68ac40d2 | Mark McLoughlin | } |
420 | 68ac40d2 | Mark McLoughlin | |
421 | 68ac40d2 | Mark McLoughlin | void net_slirp_hostfwd_add(Monitor *mon, const QDict *qdict) |
422 | 68ac40d2 | Mark McLoughlin | { |
423 | 68ac40d2 | Mark McLoughlin | const char *redir_str; |
424 | 68ac40d2 | Mark McLoughlin | SlirpState *s; |
425 | 68ac40d2 | Mark McLoughlin | const char *arg1 = qdict_get_str(qdict, "arg1"); |
426 | 68ac40d2 | Mark McLoughlin | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
427 | 68ac40d2 | Mark McLoughlin | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
428 | 68ac40d2 | Mark McLoughlin | |
429 | 68ac40d2 | Mark McLoughlin | if (arg2) {
|
430 | 68ac40d2 | Mark McLoughlin | s = slirp_lookup(mon, arg1, arg2); |
431 | 68ac40d2 | Mark McLoughlin | redir_str = arg3; |
432 | 68ac40d2 | Mark McLoughlin | } else {
|
433 | 68ac40d2 | Mark McLoughlin | s = slirp_lookup(mon, NULL, NULL); |
434 | 68ac40d2 | Mark McLoughlin | redir_str = arg1; |
435 | 68ac40d2 | Mark McLoughlin | } |
436 | 68ac40d2 | Mark McLoughlin | if (s) {
|
437 | 68ac40d2 | Mark McLoughlin | slirp_hostfwd(s, redir_str, 0);
|
438 | 68ac40d2 | Mark McLoughlin | } |
439 | 68ac40d2 | Mark McLoughlin | |
440 | 68ac40d2 | Mark McLoughlin | } |
441 | 68ac40d2 | Mark McLoughlin | |
442 | 68ac40d2 | Mark McLoughlin | int net_slirp_redir(const char *redir_str) |
443 | 68ac40d2 | Mark McLoughlin | { |
444 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str *config;
|
445 | 68ac40d2 | Mark McLoughlin | |
446 | 68ac40d2 | Mark McLoughlin | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
447 | 7267c094 | Anthony Liguori | config = g_malloc(sizeof(*config));
|
448 | 68ac40d2 | Mark McLoughlin | pstrcpy(config->str, sizeof(config->str), redir_str);
|
449 | 68ac40d2 | Mark McLoughlin | config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY; |
450 | 68ac40d2 | Mark McLoughlin | config->next = slirp_configs; |
451 | 68ac40d2 | Mark McLoughlin | slirp_configs = config; |
452 | 68ac40d2 | Mark McLoughlin | return 0; |
453 | 68ac40d2 | Mark McLoughlin | } |
454 | 68ac40d2 | Mark McLoughlin | |
455 | 68ac40d2 | Mark McLoughlin | return slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), redir_str, 1); |
456 | 68ac40d2 | Mark McLoughlin | } |
457 | 68ac40d2 | Mark McLoughlin | |
458 | 68ac40d2 | Mark McLoughlin | #ifndef _WIN32
|
459 | 68ac40d2 | Mark McLoughlin | |
460 | 68ac40d2 | Mark McLoughlin | /* automatic user mode samba server configuration */
|
461 | 68ac40d2 | Mark McLoughlin | static void slirp_smb_cleanup(SlirpState *s) |
462 | 68ac40d2 | Mark McLoughlin | { |
463 | 68ac40d2 | Mark McLoughlin | char cmd[128]; |
464 | 5a01e99f | Kirill A. Shutemov | int ret;
|
465 | 68ac40d2 | Mark McLoughlin | |
466 | 68ac40d2 | Mark McLoughlin | if (s->smb_dir[0] != '\0') { |
467 | 68ac40d2 | Mark McLoughlin | snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir); |
468 | 5a01e99f | Kirill A. Shutemov | ret = system(cmd); |
469 | 24ac07de | Juan Quintela | if (ret == -1 || !WIFEXITED(ret)) { |
470 | 1ecda02b | Markus Armbruster | error_report("'%s' failed.", cmd);
|
471 | 5a01e99f | Kirill A. Shutemov | } else if (WEXITSTATUS(ret)) { |
472 | 1ecda02b | Markus Armbruster | error_report("'%s' failed. Error code: %d",
|
473 | 1ecda02b | Markus Armbruster | cmd, WEXITSTATUS(ret)); |
474 | 5a01e99f | Kirill A. Shutemov | } |
475 | 68ac40d2 | Mark McLoughlin | s->smb_dir[0] = '\0'; |
476 | 68ac40d2 | Mark McLoughlin | } |
477 | 68ac40d2 | Mark McLoughlin | } |
478 | 68ac40d2 | Mark McLoughlin | |
479 | 68ac40d2 | Mark McLoughlin | static int slirp_smb(SlirpState* s, const char *exported_dir, |
480 | 68ac40d2 | Mark McLoughlin | struct in_addr vserver_addr)
|
481 | 68ac40d2 | Mark McLoughlin | { |
482 | 68ac40d2 | Mark McLoughlin | static int instance; |
483 | 68ac40d2 | Mark McLoughlin | char smb_conf[128]; |
484 | 68ac40d2 | Mark McLoughlin | char smb_cmdline[128]; |
485 | 1cb1c5d1 | Jan Kiszka | struct passwd *passwd;
|
486 | 68ac40d2 | Mark McLoughlin | FILE *f; |
487 | 68ac40d2 | Mark McLoughlin | |
488 | 1cb1c5d1 | Jan Kiszka | passwd = getpwuid(geteuid()); |
489 | 1cb1c5d1 | Jan Kiszka | if (!passwd) {
|
490 | 1cb1c5d1 | Jan Kiszka | error_report("failed to retrieve user name");
|
491 | 1cb1c5d1 | Jan Kiszka | return -1; |
492 | 1cb1c5d1 | Jan Kiszka | } |
493 | 1cb1c5d1 | Jan Kiszka | |
494 | 927d811b | Dunrong Huang | if (access(CONFIG_SMBD_COMMAND, F_OK)) {
|
495 | 927d811b | Dunrong Huang | error_report("could not find '%s', please install it",
|
496 | 927d811b | Dunrong Huang | CONFIG_SMBD_COMMAND); |
497 | 927d811b | Dunrong Huang | return -1; |
498 | 927d811b | Dunrong Huang | } |
499 | 927d811b | Dunrong Huang | |
500 | 927d811b | Dunrong Huang | if (access(exported_dir, R_OK | X_OK)) {
|
501 | 22a61f36 | Jan Kiszka | error_report("error accessing shared directory '%s': %s",
|
502 | 22a61f36 | Jan Kiszka | exported_dir, strerror(errno)); |
503 | 927d811b | Dunrong Huang | return -1; |
504 | 927d811b | Dunrong Huang | } |
505 | 927d811b | Dunrong Huang | |
506 | 68ac40d2 | Mark McLoughlin | snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d", |
507 | 68ac40d2 | Mark McLoughlin | (long)getpid(), instance++);
|
508 | 68ac40d2 | Mark McLoughlin | if (mkdir(s->smb_dir, 0700) < 0) { |
509 | 1ecda02b | Markus Armbruster | error_report("could not create samba server dir '%s'", s->smb_dir);
|
510 | 68ac40d2 | Mark McLoughlin | return -1; |
511 | 68ac40d2 | Mark McLoughlin | } |
512 | 68ac40d2 | Mark McLoughlin | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf"); |
513 | 68ac40d2 | Mark McLoughlin | |
514 | 68ac40d2 | Mark McLoughlin | f = fopen(smb_conf, "w");
|
515 | 68ac40d2 | Mark McLoughlin | if (!f) {
|
516 | 68ac40d2 | Mark McLoughlin | slirp_smb_cleanup(s); |
517 | 1ecda02b | Markus Armbruster | error_report("could not create samba server configuration file '%s'",
|
518 | 1ecda02b | Markus Armbruster | smb_conf); |
519 | 68ac40d2 | Mark McLoughlin | return -1; |
520 | 68ac40d2 | Mark McLoughlin | } |
521 | 68ac40d2 | Mark McLoughlin | fprintf(f, |
522 | 68ac40d2 | Mark McLoughlin | "[global]\n"
|
523 | 68ac40d2 | Mark McLoughlin | "private dir=%s\n"
|
524 | 68ac40d2 | Mark McLoughlin | "socket address=127.0.0.1\n"
|
525 | 68ac40d2 | Mark McLoughlin | "pid directory=%s\n"
|
526 | 68ac40d2 | Mark McLoughlin | "lock directory=%s\n"
|
527 | 276eda57 | Nikolaus Rath | "state directory=%s\n"
|
528 | 68ac40d2 | Mark McLoughlin | "log file=%s/log.smbd\n"
|
529 | 68ac40d2 | Mark McLoughlin | "smb passwd file=%s/smbpasswd\n"
|
530 | 68ac40d2 | Mark McLoughlin | "security = share\n"
|
531 | 68ac40d2 | Mark McLoughlin | "[qemu]\n"
|
532 | 68ac40d2 | Mark McLoughlin | "path=%s\n"
|
533 | 68ac40d2 | Mark McLoughlin | "read only=no\n"
|
534 | 1cb1c5d1 | Jan Kiszka | "guest ok=yes\n"
|
535 | 1cb1c5d1 | Jan Kiszka | "force user=%s\n",
|
536 | 68ac40d2 | Mark McLoughlin | s->smb_dir, |
537 | 68ac40d2 | Mark McLoughlin | s->smb_dir, |
538 | 68ac40d2 | Mark McLoughlin | s->smb_dir, |
539 | 68ac40d2 | Mark McLoughlin | s->smb_dir, |
540 | 68ac40d2 | Mark McLoughlin | s->smb_dir, |
541 | 276eda57 | Nikolaus Rath | s->smb_dir, |
542 | 1cb1c5d1 | Jan Kiszka | exported_dir, |
543 | 1cb1c5d1 | Jan Kiszka | passwd->pw_name |
544 | 68ac40d2 | Mark McLoughlin | ); |
545 | 68ac40d2 | Mark McLoughlin | fclose(f); |
546 | 68ac40d2 | Mark McLoughlin | |
547 | 68ac40d2 | Mark McLoughlin | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
548 | e2d8830e | Brad | CONFIG_SMBD_COMMAND, smb_conf); |
549 | 68ac40d2 | Mark McLoughlin | |
550 | 68ac40d2 | Mark McLoughlin | if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0) { |
551 | 68ac40d2 | Mark McLoughlin | slirp_smb_cleanup(s); |
552 | 1ecda02b | Markus Armbruster | error_report("conflicting/invalid smbserver address");
|
553 | 68ac40d2 | Mark McLoughlin | return -1; |
554 | 68ac40d2 | Mark McLoughlin | } |
555 | 68ac40d2 | Mark McLoughlin | return 0; |
556 | 68ac40d2 | Mark McLoughlin | } |
557 | 68ac40d2 | Mark McLoughlin | |
558 | 68ac40d2 | Mark McLoughlin | /* automatic user mode samba server configuration (legacy interface) */
|
559 | 68ac40d2 | Mark McLoughlin | int net_slirp_smb(const char *exported_dir) |
560 | 68ac40d2 | Mark McLoughlin | { |
561 | 68ac40d2 | Mark McLoughlin | struct in_addr vserver_addr = { .s_addr = 0 }; |
562 | 68ac40d2 | Mark McLoughlin | |
563 | 68ac40d2 | Mark McLoughlin | if (legacy_smb_export) {
|
564 | 68ac40d2 | Mark McLoughlin | fprintf(stderr, "-smb given twice\n");
|
565 | 68ac40d2 | Mark McLoughlin | return -1; |
566 | 68ac40d2 | Mark McLoughlin | } |
567 | 68ac40d2 | Mark McLoughlin | legacy_smb_export = exported_dir; |
568 | 68ac40d2 | Mark McLoughlin | if (!QTAILQ_EMPTY(&slirp_stacks)) {
|
569 | 68ac40d2 | Mark McLoughlin | return slirp_smb(QTAILQ_FIRST(&slirp_stacks), exported_dir,
|
570 | 68ac40d2 | Mark McLoughlin | vserver_addr); |
571 | 68ac40d2 | Mark McLoughlin | } |
572 | 68ac40d2 | Mark McLoughlin | return 0; |
573 | 68ac40d2 | Mark McLoughlin | } |
574 | 68ac40d2 | Mark McLoughlin | |
575 | 68ac40d2 | Mark McLoughlin | #endif /* !defined(_WIN32) */ |
576 | 68ac40d2 | Mark McLoughlin | |
577 | 68ac40d2 | Mark McLoughlin | struct GuestFwd {
|
578 | 68ac40d2 | Mark McLoughlin | CharDriverState *hd; |
579 | 68ac40d2 | Mark McLoughlin | struct in_addr server;
|
580 | 68ac40d2 | Mark McLoughlin | int port;
|
581 | 68ac40d2 | Mark McLoughlin | Slirp *slirp; |
582 | 68ac40d2 | Mark McLoughlin | }; |
583 | 68ac40d2 | Mark McLoughlin | |
584 | 68ac40d2 | Mark McLoughlin | static int guestfwd_can_read(void *opaque) |
585 | 68ac40d2 | Mark McLoughlin | { |
586 | 68ac40d2 | Mark McLoughlin | struct GuestFwd *fwd = opaque;
|
587 | 68ac40d2 | Mark McLoughlin | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port);
|
588 | 68ac40d2 | Mark McLoughlin | } |
589 | 68ac40d2 | Mark McLoughlin | |
590 | 68ac40d2 | Mark McLoughlin | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) |
591 | 68ac40d2 | Mark McLoughlin | { |
592 | 68ac40d2 | Mark McLoughlin | struct GuestFwd *fwd = opaque;
|
593 | 68ac40d2 | Mark McLoughlin | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); |
594 | 68ac40d2 | Mark McLoughlin | } |
595 | 68ac40d2 | Mark McLoughlin | |
596 | 68ac40d2 | Mark McLoughlin | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
597 | 68ac40d2 | Mark McLoughlin | int legacy_format)
|
598 | 68ac40d2 | Mark McLoughlin | { |
599 | 68ac40d2 | Mark McLoughlin | struct in_addr server = { .s_addr = 0 }; |
600 | 68ac40d2 | Mark McLoughlin | struct GuestFwd *fwd;
|
601 | 68ac40d2 | Mark McLoughlin | const char *p; |
602 | 68ac40d2 | Mark McLoughlin | char buf[128]; |
603 | 68ac40d2 | Mark McLoughlin | char *end;
|
604 | 68ac40d2 | Mark McLoughlin | int port;
|
605 | 68ac40d2 | Mark McLoughlin | |
606 | 68ac40d2 | Mark McLoughlin | p = config_str; |
607 | 68ac40d2 | Mark McLoughlin | if (legacy_format) {
|
608 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
609 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
610 | 68ac40d2 | Mark McLoughlin | } |
611 | 68ac40d2 | Mark McLoughlin | } else {
|
612 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
613 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
614 | 68ac40d2 | Mark McLoughlin | } |
615 | 68ac40d2 | Mark McLoughlin | if (strcmp(buf, "tcp") && buf[0] != '\0') { |
616 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
617 | 68ac40d2 | Mark McLoughlin | } |
618 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
619 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
620 | 68ac40d2 | Mark McLoughlin | } |
621 | 68ac40d2 | Mark McLoughlin | if (buf[0] != '\0' && !inet_aton(buf, &server)) { |
622 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
623 | 68ac40d2 | Mark McLoughlin | } |
624 | 68ac40d2 | Mark McLoughlin | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
625 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
626 | 68ac40d2 | Mark McLoughlin | } |
627 | 68ac40d2 | Mark McLoughlin | } |
628 | 68ac40d2 | Mark McLoughlin | port = strtol(buf, &end, 10);
|
629 | 68ac40d2 | Mark McLoughlin | if (*end != '\0' || port < 1 || port > 65535) { |
630 | 68ac40d2 | Mark McLoughlin | goto fail_syntax;
|
631 | 68ac40d2 | Mark McLoughlin | } |
632 | 68ac40d2 | Mark McLoughlin | |
633 | 7267c094 | Anthony Liguori | fwd = g_malloc(sizeof(struct GuestFwd)); |
634 | a9899996 | Alexander Graf | snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port); |
635 | 68ac40d2 | Mark McLoughlin | |
636 | b412eb61 | Alexander Graf | if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) { |
637 | b412eb61 | Alexander Graf | if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) { |
638 | b412eb61 | Alexander Graf | error_report("conflicting/invalid host:port in guest forwarding "
|
639 | b412eb61 | Alexander Graf | "rule '%s'", config_str);
|
640 | b412eb61 | Alexander Graf | g_free(fwd); |
641 | b412eb61 | Alexander Graf | return -1; |
642 | b412eb61 | Alexander Graf | } |
643 | b412eb61 | Alexander Graf | } else {
|
644 | b412eb61 | Alexander Graf | fwd->hd = qemu_chr_new(buf, p, NULL);
|
645 | b412eb61 | Alexander Graf | if (!fwd->hd) {
|
646 | b412eb61 | Alexander Graf | error_report("could not open guest forwarding device '%s'", buf);
|
647 | b412eb61 | Alexander Graf | g_free(fwd); |
648 | b412eb61 | Alexander Graf | return -1; |
649 | b412eb61 | Alexander Graf | } |
650 | 68ac40d2 | Mark McLoughlin | |
651 | b412eb61 | Alexander Graf | if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) { |
652 | b412eb61 | Alexander Graf | error_report("conflicting/invalid host:port in guest forwarding "
|
653 | b412eb61 | Alexander Graf | "rule '%s'", config_str);
|
654 | b412eb61 | Alexander Graf | g_free(fwd); |
655 | b412eb61 | Alexander Graf | return -1; |
656 | b412eb61 | Alexander Graf | } |
657 | b412eb61 | Alexander Graf | fwd->server = server; |
658 | b412eb61 | Alexander Graf | fwd->port = port; |
659 | b412eb61 | Alexander Graf | fwd->slirp = s->slirp; |
660 | b412eb61 | Alexander Graf | |
661 | b412eb61 | Alexander Graf | qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read, |
662 | b412eb61 | Alexander Graf | NULL, fwd);
|
663 | b412eb61 | Alexander Graf | } |
664 | 68ac40d2 | Mark McLoughlin | return 0; |
665 | 68ac40d2 | Mark McLoughlin | |
666 | 68ac40d2 | Mark McLoughlin | fail_syntax:
|
667 | 1ecda02b | Markus Armbruster | error_report("invalid guest forwarding rule '%s'", config_str);
|
668 | 68ac40d2 | Mark McLoughlin | return -1; |
669 | 68ac40d2 | Mark McLoughlin | } |
670 | 68ac40d2 | Mark McLoughlin | |
671 | 68ac40d2 | Mark McLoughlin | void do_info_usernet(Monitor *mon)
|
672 | 68ac40d2 | Mark McLoughlin | { |
673 | 68ac40d2 | Mark McLoughlin | SlirpState *s; |
674 | 68ac40d2 | Mark McLoughlin | |
675 | 68ac40d2 | Mark McLoughlin | QTAILQ_FOREACH(s, &slirp_stacks, entry) { |
676 | 90d87a33 | Stefan Hajnoczi | int id;
|
677 | 90d87a33 | Stefan Hajnoczi | bool got_vlan_id = net_hub_id_for_client(&s->nc, &id) == 0; |
678 | ce20b5be | Mark McLoughlin | monitor_printf(mon, "VLAN %d (%s):\n",
|
679 | 90d87a33 | Stefan Hajnoczi | got_vlan_id ? id : -1,
|
680 | ce20b5be | Mark McLoughlin | s->nc.name); |
681 | 68ac40d2 | Mark McLoughlin | slirp_connection_info(s->slirp, mon); |
682 | 68ac40d2 | Mark McLoughlin | } |
683 | 68ac40d2 | Mark McLoughlin | } |
684 | 68ac40d2 | Mark McLoughlin | |
685 | 094f15c5 | Laszlo Ersek | static void |
686 | 094f15c5 | Laszlo Ersek | net_init_slirp_configs(const StringList *fwd, int flags) |
687 | 68ac40d2 | Mark McLoughlin | { |
688 | 094f15c5 | Laszlo Ersek | while (fwd) {
|
689 | 094f15c5 | Laszlo Ersek | struct slirp_config_str *config;
|
690 | 68ac40d2 | Mark McLoughlin | |
691 | 094f15c5 | Laszlo Ersek | config = g_malloc0(sizeof(*config));
|
692 | 094f15c5 | Laszlo Ersek | pstrcpy(config->str, sizeof(config->str), fwd->value->str);
|
693 | 094f15c5 | Laszlo Ersek | config->flags = flags; |
694 | 094f15c5 | Laszlo Ersek | config->next = slirp_configs; |
695 | 094f15c5 | Laszlo Ersek | slirp_configs = config; |
696 | 68ac40d2 | Mark McLoughlin | |
697 | 094f15c5 | Laszlo Ersek | fwd = fwd->next; |
698 | 68ac40d2 | Mark McLoughlin | } |
699 | 68ac40d2 | Mark McLoughlin | } |
700 | 68ac40d2 | Mark McLoughlin | |
701 | 1a0c0958 | Laszlo Ersek | int net_init_slirp(const NetClientOptions *opts, const char *name, |
702 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *peer) |
703 | 68ac40d2 | Mark McLoughlin | { |
704 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str *config;
|
705 | 094f15c5 | Laszlo Ersek | char *vnet;
|
706 | 68ac40d2 | Mark McLoughlin | int ret;
|
707 | 094f15c5 | Laszlo Ersek | const NetdevUserOptions *user;
|
708 | 68ac40d2 | Mark McLoughlin | |
709 | 094f15c5 | Laszlo Ersek | assert(opts->kind == NET_CLIENT_OPTIONS_KIND_USER); |
710 | 094f15c5 | Laszlo Ersek | user = opts->user; |
711 | 68ac40d2 | Mark McLoughlin | |
712 | 094f15c5 | Laszlo Ersek | vnet = user->has_net ? g_strdup(user->net) : |
713 | 094f15c5 | Laszlo Ersek | user->has_ip ? g_strdup_printf("%s/24", user->ip) :
|
714 | 094f15c5 | Laszlo Ersek | NULL;
|
715 | 68ac40d2 | Mark McLoughlin | |
716 | 094f15c5 | Laszlo Ersek | /* all optional fields are initialized to "all bits zero" */
|
717 | 68ac40d2 | Mark McLoughlin | |
718 | 094f15c5 | Laszlo Ersek | net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD); |
719 | 094f15c5 | Laszlo Ersek | net_init_slirp_configs(user->guestfwd, 0);
|
720 | 68ac40d2 | Mark McLoughlin | |
721 | 427a1a2c | Blue Swirl | ret = net_slirp_init(peer, "user", name, user->q_restrict, vnet,
|
722 | 427a1a2c | Blue Swirl | user->host, user->hostname, user->tftp, |
723 | 427a1a2c | Blue Swirl | user->bootfile, user->dhcpstart, user->dns, user->smb, |
724 | 094f15c5 | Laszlo Ersek | user->smbserver); |
725 | 68ac40d2 | Mark McLoughlin | |
726 | 68ac40d2 | Mark McLoughlin | while (slirp_configs) {
|
727 | 68ac40d2 | Mark McLoughlin | config = slirp_configs; |
728 | 68ac40d2 | Mark McLoughlin | slirp_configs = config->next; |
729 | 7267c094 | Anthony Liguori | g_free(config); |
730 | 68ac40d2 | Mark McLoughlin | } |
731 | 68ac40d2 | Mark McLoughlin | |
732 | 7267c094 | Anthony Liguori | g_free(vnet); |
733 | 68ac40d2 | Mark McLoughlin | |
734 | 68ac40d2 | Mark McLoughlin | return ret;
|
735 | 68ac40d2 | Mark McLoughlin | } |
736 | 68ac40d2 | Mark McLoughlin | |
737 | 68ac40d2 | Mark McLoughlin | int net_slirp_parse_legacy(QemuOptsList *opts_list, const char *optarg, int *ret) |
738 | 68ac40d2 | Mark McLoughlin | { |
739 | 68ac40d2 | Mark McLoughlin | if (strcmp(opts_list->name, "net") != 0 || |
740 | 68ac40d2 | Mark McLoughlin | strncmp(optarg, "channel,", strlen("channel,")) != 0) { |
741 | 68ac40d2 | Mark McLoughlin | return 0; |
742 | 68ac40d2 | Mark McLoughlin | } |
743 | 68ac40d2 | Mark McLoughlin | |
744 | 68ac40d2 | Mark McLoughlin | /* handle legacy -net channel,port:chr */
|
745 | 68ac40d2 | Mark McLoughlin | optarg += strlen("channel,");
|
746 | 68ac40d2 | Mark McLoughlin | |
747 | 68ac40d2 | Mark McLoughlin | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
748 | 68ac40d2 | Mark McLoughlin | struct slirp_config_str *config;
|
749 | 68ac40d2 | Mark McLoughlin | |
750 | 7267c094 | Anthony Liguori | config = g_malloc(sizeof(*config));
|
751 | 68ac40d2 | Mark McLoughlin | pstrcpy(config->str, sizeof(config->str), optarg);
|
752 | 68ac40d2 | Mark McLoughlin | config->flags = SLIRP_CFG_LEGACY; |
753 | 68ac40d2 | Mark McLoughlin | config->next = slirp_configs; |
754 | 68ac40d2 | Mark McLoughlin | slirp_configs = config; |
755 | 68ac40d2 | Mark McLoughlin | *ret = 0;
|
756 | 68ac40d2 | Mark McLoughlin | } else {
|
757 | 68ac40d2 | Mark McLoughlin | *ret = slirp_guestfwd(QTAILQ_FIRST(&slirp_stacks), optarg, 1);
|
758 | 68ac40d2 | Mark McLoughlin | } |
759 | 68ac40d2 | Mark McLoughlin | |
760 | 68ac40d2 | Mark McLoughlin | return 1; |
761 | 68ac40d2 | Mark McLoughlin | } |