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1 | 63a01ef8 | aliguori | /*
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2 | 63a01ef8 | aliguori | * QEMU System Emulator
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3 | 63a01ef8 | aliguori | *
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4 | 63a01ef8 | aliguori | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 63a01ef8 | aliguori | *
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6 | 63a01ef8 | aliguori | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 63a01ef8 | aliguori | * of this software and associated documentation files (the "Software"), to deal
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8 | 63a01ef8 | aliguori | * in the Software without restriction, including without limitation the rights
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9 | 63a01ef8 | aliguori | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 63a01ef8 | aliguori | * copies of the Software, and to permit persons to whom the Software is
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11 | 63a01ef8 | aliguori | * furnished to do so, subject to the following conditions:
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12 | 63a01ef8 | aliguori | *
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13 | 63a01ef8 | aliguori | * The above copyright notice and this permission notice shall be included in
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14 | 63a01ef8 | aliguori | * all copies or substantial portions of the Software.
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15 | 63a01ef8 | aliguori | *
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16 | 63a01ef8 | aliguori | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 63a01ef8 | aliguori | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 63a01ef8 | aliguori | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 63a01ef8 | aliguori | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 63a01ef8 | aliguori | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 63a01ef8 | aliguori | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 63a01ef8 | aliguori | * THE SOFTWARE.
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23 | 63a01ef8 | aliguori | */
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24 | 63a01ef8 | aliguori | #include <unistd.h> |
25 | 63a01ef8 | aliguori | #include <fcntl.h> |
26 | 63a01ef8 | aliguori | #include <signal.h> |
27 | 63a01ef8 | aliguori | #include <time.h> |
28 | 63a01ef8 | aliguori | #include <errno.h> |
29 | 63a01ef8 | aliguori | #include <sys/time.h> |
30 | 63a01ef8 | aliguori | #include <zlib.h> |
31 | 63a01ef8 | aliguori | |
32 | 179a2c19 | blueswir1 | /* Needed early for HOST_BSD etc. */
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33 | d40cdb10 | blueswir1 | #include "config-host.h" |
34 | d40cdb10 | blueswir1 | |
35 | 63a01ef8 | aliguori | #ifndef _WIN32
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36 | 63a01ef8 | aliguori | #include <sys/times.h> |
37 | 63a01ef8 | aliguori | #include <sys/wait.h> |
38 | 63a01ef8 | aliguori | #include <termios.h> |
39 | 63a01ef8 | aliguori | #include <sys/mman.h> |
40 | 63a01ef8 | aliguori | #include <sys/ioctl.h> |
41 | 24646c7e | blueswir1 | #include <sys/resource.h> |
42 | 63a01ef8 | aliguori | #include <sys/socket.h> |
43 | 63a01ef8 | aliguori | #include <netinet/in.h> |
44 | 24646c7e | blueswir1 | #include <net/if.h> |
45 | 24646c7e | blueswir1 | #ifdef __NetBSD__
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46 | 24646c7e | blueswir1 | #include <net/if_tap.h> |
47 | 24646c7e | blueswir1 | #endif
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48 | 24646c7e | blueswir1 | #ifdef __linux__
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49 | 24646c7e | blueswir1 | #include <linux/if_tun.h> |
50 | 24646c7e | blueswir1 | #endif
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51 | 24646c7e | blueswir1 | #include <arpa/inet.h> |
52 | 63a01ef8 | aliguori | #include <dirent.h> |
53 | 63a01ef8 | aliguori | #include <netdb.h> |
54 | 63a01ef8 | aliguori | #include <sys/select.h> |
55 | 179a2c19 | blueswir1 | #ifdef HOST_BSD
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56 | 63a01ef8 | aliguori | #include <sys/stat.h> |
57 | c5e97233 | blueswir1 | #if defined(__FreeBSD__) || defined(__DragonFly__)
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58 | 63a01ef8 | aliguori | #include <libutil.h> |
59 | 24646c7e | blueswir1 | #else
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60 | 24646c7e | blueswir1 | #include <util.h> |
61 | 63a01ef8 | aliguori | #endif
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62 | 63a01ef8 | aliguori | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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63 | 63a01ef8 | aliguori | #include <freebsd/stdlib.h> |
64 | 63a01ef8 | aliguori | #else
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65 | 63a01ef8 | aliguori | #ifdef __linux__
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66 | 63a01ef8 | aliguori | #include <pty.h> |
67 | 63a01ef8 | aliguori | #include <malloc.h> |
68 | 63a01ef8 | aliguori | #include <linux/rtc.h> |
69 | 63a01ef8 | aliguori | |
70 | 63a01ef8 | aliguori | /* For the benefit of older linux systems which don't supply it,
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71 | 63a01ef8 | aliguori | we use a local copy of hpet.h. */
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72 | 63a01ef8 | aliguori | /* #include <linux/hpet.h> */
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73 | 63a01ef8 | aliguori | #include "hpet.h" |
74 | 63a01ef8 | aliguori | |
75 | 63a01ef8 | aliguori | #include <linux/ppdev.h> |
76 | 63a01ef8 | aliguori | #include <linux/parport.h> |
77 | 63a01ef8 | aliguori | #endif
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78 | 63a01ef8 | aliguori | #ifdef __sun__
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79 | 63a01ef8 | aliguori | #include <sys/stat.h> |
80 | 63a01ef8 | aliguori | #include <sys/ethernet.h> |
81 | 63a01ef8 | aliguori | #include <sys/sockio.h> |
82 | 63a01ef8 | aliguori | #include <netinet/arp.h> |
83 | 63a01ef8 | aliguori | #include <netinet/in.h> |
84 | 63a01ef8 | aliguori | #include <netinet/in_systm.h> |
85 | 63a01ef8 | aliguori | #include <netinet/ip.h> |
86 | 63a01ef8 | aliguori | #include <netinet/ip_icmp.h> // must come after ip.h |
87 | 63a01ef8 | aliguori | #include <netinet/udp.h> |
88 | 63a01ef8 | aliguori | #include <netinet/tcp.h> |
89 | 63a01ef8 | aliguori | #include <net/if.h> |
90 | 63a01ef8 | aliguori | #include <syslog.h> |
91 | 63a01ef8 | aliguori | #include <stropts.h> |
92 | 63a01ef8 | aliguori | #endif
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93 | 63a01ef8 | aliguori | #endif
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94 | 63a01ef8 | aliguori | #endif
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95 | 63a01ef8 | aliguori | |
96 | 63a01ef8 | aliguori | #if defined(__OpenBSD__)
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97 | 63a01ef8 | aliguori | #include <util.h> |
98 | 63a01ef8 | aliguori | #endif
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99 | 63a01ef8 | aliguori | |
100 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
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101 | 63a01ef8 | aliguori | #include <libvdeplug.h> |
102 | 63a01ef8 | aliguori | #endif
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103 | 63a01ef8 | aliguori | |
104 | 63a01ef8 | aliguori | #ifdef _WIN32
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105 | 49dc768d | aliguori | #include <windows.h> |
106 | 63a01ef8 | aliguori | #include <malloc.h> |
107 | 63a01ef8 | aliguori | #include <sys/timeb.h> |
108 | 63a01ef8 | aliguori | #include <mmsystem.h> |
109 | 63a01ef8 | aliguori | #define getopt_long_only getopt_long
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110 | 63a01ef8 | aliguori | #define memalign(align, size) malloc(size)
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111 | 63a01ef8 | aliguori | #endif
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112 | 63a01ef8 | aliguori | |
113 | 511d2b14 | blueswir1 | #include "qemu-common.h" |
114 | 511d2b14 | blueswir1 | #include "net.h" |
115 | 511d2b14 | blueswir1 | #include "monitor.h" |
116 | 511d2b14 | blueswir1 | #include "sysemu.h" |
117 | 511d2b14 | blueswir1 | #include "qemu-timer.h" |
118 | 511d2b14 | blueswir1 | #include "qemu-char.h" |
119 | 511d2b14 | blueswir1 | #include "audio/audio.h" |
120 | 511d2b14 | blueswir1 | #include "qemu_socket.h" |
121 | bb9ea79e | aliguori | #include "qemu-log.h" |
122 | 511d2b14 | blueswir1 | |
123 | d918f23e | Jan Kiszka | #include "slirp/libslirp.h" |
124 | 511d2b14 | blueswir1 | |
125 | 511d2b14 | blueswir1 | |
126 | 63a01ef8 | aliguori | static VLANState *first_vlan;
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127 | 63a01ef8 | aliguori | |
128 | 63a01ef8 | aliguori | /***********************************************************/
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129 | 63a01ef8 | aliguori | /* network device redirectors */
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130 | 63a01ef8 | aliguori | |
131 | 63a01ef8 | aliguori | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
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132 | 63a01ef8 | aliguori | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
133 | 63a01ef8 | aliguori | { |
134 | 63a01ef8 | aliguori | int len, i, j, c;
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135 | 63a01ef8 | aliguori | |
136 | 63a01ef8 | aliguori | for(i=0;i<size;i+=16) { |
137 | 63a01ef8 | aliguori | len = size - i; |
138 | 63a01ef8 | aliguori | if (len > 16) |
139 | 63a01ef8 | aliguori | len = 16;
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140 | 63a01ef8 | aliguori | fprintf(f, "%08x ", i);
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141 | 63a01ef8 | aliguori | for(j=0;j<16;j++) { |
142 | 63a01ef8 | aliguori | if (j < len)
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143 | 63a01ef8 | aliguori | fprintf(f, " %02x", buf[i+j]);
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144 | 63a01ef8 | aliguori | else
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145 | 63a01ef8 | aliguori | fprintf(f, " ");
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146 | 63a01ef8 | aliguori | } |
147 | 63a01ef8 | aliguori | fprintf(f, " ");
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148 | 63a01ef8 | aliguori | for(j=0;j<len;j++) { |
149 | 63a01ef8 | aliguori | c = buf[i+j]; |
150 | 63a01ef8 | aliguori | if (c < ' ' || c > '~') |
151 | 63a01ef8 | aliguori | c = '.';
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152 | 63a01ef8 | aliguori | fprintf(f, "%c", c);
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153 | 63a01ef8 | aliguori | } |
154 | 63a01ef8 | aliguori | fprintf(f, "\n");
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155 | 63a01ef8 | aliguori | } |
156 | 63a01ef8 | aliguori | } |
157 | 63a01ef8 | aliguori | #endif
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158 | 63a01ef8 | aliguori | |
159 | 63a01ef8 | aliguori | static int parse_macaddr(uint8_t *macaddr, const char *p) |
160 | 63a01ef8 | aliguori | { |
161 | 63a01ef8 | aliguori | int i;
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162 | 63a01ef8 | aliguori | char *last_char;
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163 | 63a01ef8 | aliguori | long int offset; |
164 | 63a01ef8 | aliguori | |
165 | 63a01ef8 | aliguori | errno = 0;
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166 | 63a01ef8 | aliguori | offset = strtol(p, &last_char, 0);
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167 | 63a01ef8 | aliguori | if (0 == errno && '\0' == *last_char && |
168 | 63a01ef8 | aliguori | offset >= 0 && offset <= 0xFFFFFF) { |
169 | 63a01ef8 | aliguori | macaddr[3] = (offset & 0xFF0000) >> 16; |
170 | 63a01ef8 | aliguori | macaddr[4] = (offset & 0xFF00) >> 8; |
171 | 63a01ef8 | aliguori | macaddr[5] = offset & 0xFF; |
172 | 63a01ef8 | aliguori | return 0; |
173 | 63a01ef8 | aliguori | } else {
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174 | 63a01ef8 | aliguori | for(i = 0; i < 6; i++) { |
175 | 63a01ef8 | aliguori | macaddr[i] = strtol(p, (char **)&p, 16); |
176 | 63a01ef8 | aliguori | if (i == 5) { |
177 | 63a01ef8 | aliguori | if (*p != '\0') |
178 | 63a01ef8 | aliguori | return -1; |
179 | 63a01ef8 | aliguori | } else {
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180 | 63a01ef8 | aliguori | if (*p != ':' && *p != '-') |
181 | 63a01ef8 | aliguori | return -1; |
182 | 63a01ef8 | aliguori | p++; |
183 | 63a01ef8 | aliguori | } |
184 | 63a01ef8 | aliguori | } |
185 | 63a01ef8 | aliguori | return 0; |
186 | 63a01ef8 | aliguori | } |
187 | 63a01ef8 | aliguori | |
188 | 63a01ef8 | aliguori | return -1; |
189 | 63a01ef8 | aliguori | } |
190 | 63a01ef8 | aliguori | |
191 | 63a01ef8 | aliguori | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
192 | 63a01ef8 | aliguori | { |
193 | 63a01ef8 | aliguori | const char *p, *p1; |
194 | 63a01ef8 | aliguori | int len;
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195 | 63a01ef8 | aliguori | p = *pp; |
196 | 63a01ef8 | aliguori | p1 = strchr(p, sep); |
197 | 63a01ef8 | aliguori | if (!p1)
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198 | 63a01ef8 | aliguori | return -1; |
199 | 63a01ef8 | aliguori | len = p1 - p; |
200 | 63a01ef8 | aliguori | p1++; |
201 | 63a01ef8 | aliguori | if (buf_size > 0) { |
202 | 63a01ef8 | aliguori | if (len > buf_size - 1) |
203 | 63a01ef8 | aliguori | len = buf_size - 1;
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204 | 63a01ef8 | aliguori | memcpy(buf, p, len); |
205 | 63a01ef8 | aliguori | buf[len] = '\0';
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206 | 63a01ef8 | aliguori | } |
207 | 63a01ef8 | aliguori | *pp = p1; |
208 | 63a01ef8 | aliguori | return 0; |
209 | 63a01ef8 | aliguori | } |
210 | 63a01ef8 | aliguori | |
211 | 63a01ef8 | aliguori | int parse_host_src_port(struct sockaddr_in *haddr, |
212 | 63a01ef8 | aliguori | struct sockaddr_in *saddr,
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213 | 63a01ef8 | aliguori | const char *input_str) |
214 | 63a01ef8 | aliguori | { |
215 | 63a01ef8 | aliguori | char *str = strdup(input_str);
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216 | 63a01ef8 | aliguori | char *host_str = str;
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217 | 63a01ef8 | aliguori | char *src_str;
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218 | 63a01ef8 | aliguori | const char *src_str2; |
219 | 63a01ef8 | aliguori | char *ptr;
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220 | 63a01ef8 | aliguori | |
221 | 63a01ef8 | aliguori | /*
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222 | 63a01ef8 | aliguori | * Chop off any extra arguments at the end of the string which
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223 | 63a01ef8 | aliguori | * would start with a comma, then fill in the src port information
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224 | 63a01ef8 | aliguori | * if it was provided else use the "any address" and "any port".
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225 | 63a01ef8 | aliguori | */
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226 | 63a01ef8 | aliguori | if ((ptr = strchr(str,','))) |
227 | 63a01ef8 | aliguori | *ptr = '\0';
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228 | 63a01ef8 | aliguori | |
229 | 63a01ef8 | aliguori | if ((src_str = strchr(input_str,'@'))) { |
230 | 63a01ef8 | aliguori | *src_str = '\0';
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231 | 63a01ef8 | aliguori | src_str++; |
232 | 63a01ef8 | aliguori | } |
233 | 63a01ef8 | aliguori | |
234 | 63a01ef8 | aliguori | if (parse_host_port(haddr, host_str) < 0) |
235 | 63a01ef8 | aliguori | goto fail;
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236 | 63a01ef8 | aliguori | |
237 | 63a01ef8 | aliguori | src_str2 = src_str; |
238 | 63a01ef8 | aliguori | if (!src_str || *src_str == '\0') |
239 | 63a01ef8 | aliguori | src_str2 = ":0";
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240 | 63a01ef8 | aliguori | |
241 | 63a01ef8 | aliguori | if (parse_host_port(saddr, src_str2) < 0) |
242 | 63a01ef8 | aliguori | goto fail;
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243 | 63a01ef8 | aliguori | |
244 | 63a01ef8 | aliguori | free(str); |
245 | 63a01ef8 | aliguori | return(0); |
246 | 63a01ef8 | aliguori | |
247 | 63a01ef8 | aliguori | fail:
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248 | 63a01ef8 | aliguori | free(str); |
249 | 63a01ef8 | aliguori | return -1; |
250 | 63a01ef8 | aliguori | } |
251 | 63a01ef8 | aliguori | |
252 | 63a01ef8 | aliguori | int parse_host_port(struct sockaddr_in *saddr, const char *str) |
253 | 63a01ef8 | aliguori | { |
254 | 63a01ef8 | aliguori | char buf[512]; |
255 | 63a01ef8 | aliguori | struct hostent *he;
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256 | 63a01ef8 | aliguori | const char *p, *r; |
257 | 63a01ef8 | aliguori | int port;
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258 | 63a01ef8 | aliguori | |
259 | 63a01ef8 | aliguori | p = str; |
260 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
261 | 63a01ef8 | aliguori | return -1; |
262 | 63a01ef8 | aliguori | saddr->sin_family = AF_INET; |
263 | 63a01ef8 | aliguori | if (buf[0] == '\0') { |
264 | 63a01ef8 | aliguori | saddr->sin_addr.s_addr = 0;
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265 | 63a01ef8 | aliguori | } else {
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266 | cd390083 | blueswir1 | if (qemu_isdigit(buf[0])) { |
267 | 63a01ef8 | aliguori | if (!inet_aton(buf, &saddr->sin_addr))
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268 | 63a01ef8 | aliguori | return -1; |
269 | 63a01ef8 | aliguori | } else {
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270 | 63a01ef8 | aliguori | if ((he = gethostbyname(buf)) == NULL) |
271 | 63a01ef8 | aliguori | return - 1; |
272 | 63a01ef8 | aliguori | saddr->sin_addr = *(struct in_addr *)he->h_addr;
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273 | 63a01ef8 | aliguori | } |
274 | 63a01ef8 | aliguori | } |
275 | 63a01ef8 | aliguori | port = strtol(p, (char **)&r, 0); |
276 | 63a01ef8 | aliguori | if (r == p)
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277 | 63a01ef8 | aliguori | return -1; |
278 | 63a01ef8 | aliguori | saddr->sin_port = htons(port); |
279 | 63a01ef8 | aliguori | return 0; |
280 | 63a01ef8 | aliguori | } |
281 | 63a01ef8 | aliguori | |
282 | 69d6451c | blueswir1 | #if !defined(_WIN32) && 0 |
283 | 69d6451c | blueswir1 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) |
284 | 63a01ef8 | aliguori | { |
285 | 63a01ef8 | aliguori | const char *p; |
286 | 63a01ef8 | aliguori | int len;
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287 | 63a01ef8 | aliguori | |
288 | 63a01ef8 | aliguori | len = MIN(108, strlen(str));
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289 | 63a01ef8 | aliguori | p = strchr(str, ',');
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290 | 63a01ef8 | aliguori | if (p)
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291 | 63a01ef8 | aliguori | len = MIN(len, p - str); |
292 | 63a01ef8 | aliguori | |
293 | 63a01ef8 | aliguori | memset(uaddr, 0, sizeof(*uaddr)); |
294 | 63a01ef8 | aliguori | |
295 | 63a01ef8 | aliguori | uaddr->sun_family = AF_UNIX; |
296 | 63a01ef8 | aliguori | memcpy(uaddr->sun_path, str, len); |
297 | 63a01ef8 | aliguori | |
298 | 63a01ef8 | aliguori | return 0; |
299 | 63a01ef8 | aliguori | } |
300 | 63a01ef8 | aliguori | #endif
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301 | 63a01ef8 | aliguori | |
302 | 7cb7434b | aliguori | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
303 | 7cb7434b | aliguori | { |
304 | 7cb7434b | aliguori | snprintf(vc->info_str, sizeof(vc->info_str),
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305 | 4dda4063 | aliguori | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
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306 | 4dda4063 | aliguori | vc->model, |
307 | 7cb7434b | aliguori | macaddr[0], macaddr[1], macaddr[2], |
308 | 7cb7434b | aliguori | macaddr[3], macaddr[4], macaddr[5]); |
309 | 7cb7434b | aliguori | } |
310 | 7cb7434b | aliguori | |
311 | 676cff29 | aliguori | static char *assign_name(VLANClientState *vc1, const char *model) |
312 | 676cff29 | aliguori | { |
313 | 676cff29 | aliguori | VLANState *vlan; |
314 | 676cff29 | aliguori | char buf[256]; |
315 | 676cff29 | aliguori | int id = 0; |
316 | 676cff29 | aliguori | |
317 | 676cff29 | aliguori | for (vlan = first_vlan; vlan; vlan = vlan->next) {
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318 | 676cff29 | aliguori | VLANClientState *vc; |
319 | 676cff29 | aliguori | |
320 | 676cff29 | aliguori | for (vc = vlan->first_client; vc; vc = vc->next)
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321 | 676cff29 | aliguori | if (vc != vc1 && strcmp(vc->model, model) == 0) |
322 | 676cff29 | aliguori | id++; |
323 | 676cff29 | aliguori | } |
324 | 676cff29 | aliguori | |
325 | 676cff29 | aliguori | snprintf(buf, sizeof(buf), "%s.%d", model, id); |
326 | 676cff29 | aliguori | |
327 | 676cff29 | aliguori | return strdup(buf);
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328 | 676cff29 | aliguori | } |
329 | 676cff29 | aliguori | |
330 | 63a01ef8 | aliguori | VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
331 | bf38c1a0 | aliguori | const char *model, |
332 | 7a9f6e4a | aliguori | const char *name, |
333 | cda9046b | Mark McLoughlin | NetCanReceive *can_receive, |
334 | cda9046b | Mark McLoughlin | NetReceive *receive, |
335 | cda9046b | Mark McLoughlin | NetReceiveIOV *receive_iov, |
336 | b946a153 | aliguori | NetCleanup *cleanup, |
337 | 63a01ef8 | aliguori | void *opaque)
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338 | 63a01ef8 | aliguori | { |
339 | 63a01ef8 | aliguori | VLANClientState *vc, **pvc; |
340 | 63a01ef8 | aliguori | vc = qemu_mallocz(sizeof(VLANClientState));
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341 | bf38c1a0 | aliguori | vc->model = strdup(model); |
342 | 7a9f6e4a | aliguori | if (name)
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343 | 7a9f6e4a | aliguori | vc->name = strdup(name); |
344 | 7a9f6e4a | aliguori | else
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345 | 7a9f6e4a | aliguori | vc->name = assign_name(vc, model); |
346 | cda9046b | Mark McLoughlin | vc->can_receive = can_receive; |
347 | cda9046b | Mark McLoughlin | vc->receive = receive; |
348 | cda9046b | Mark McLoughlin | vc->receive_iov = receive_iov; |
349 | b946a153 | aliguori | vc->cleanup = cleanup; |
350 | 63a01ef8 | aliguori | vc->opaque = opaque; |
351 | 63a01ef8 | aliguori | vc->vlan = vlan; |
352 | 63a01ef8 | aliguori | |
353 | 63a01ef8 | aliguori | vc->next = NULL;
|
354 | 63a01ef8 | aliguori | pvc = &vlan->first_client; |
355 | 63a01ef8 | aliguori | while (*pvc != NULL) |
356 | 63a01ef8 | aliguori | pvc = &(*pvc)->next; |
357 | 63a01ef8 | aliguori | *pvc = vc; |
358 | 63a01ef8 | aliguori | return vc;
|
359 | 63a01ef8 | aliguori | } |
360 | 63a01ef8 | aliguori | |
361 | 63a01ef8 | aliguori | void qemu_del_vlan_client(VLANClientState *vc)
|
362 | 63a01ef8 | aliguori | { |
363 | 63a01ef8 | aliguori | VLANClientState **pvc = &vc->vlan->first_client; |
364 | 63a01ef8 | aliguori | |
365 | 63a01ef8 | aliguori | while (*pvc != NULL) |
366 | 63a01ef8 | aliguori | if (*pvc == vc) {
|
367 | 63a01ef8 | aliguori | *pvc = vc->next; |
368 | b946a153 | aliguori | if (vc->cleanup) {
|
369 | b946a153 | aliguori | vc->cleanup(vc); |
370 | b946a153 | aliguori | } |
371 | 676cff29 | aliguori | free(vc->name); |
372 | bf38c1a0 | aliguori | free(vc->model); |
373 | dad35419 | aliguori | qemu_free(vc); |
374 | 63a01ef8 | aliguori | break;
|
375 | 63a01ef8 | aliguori | } else
|
376 | 63a01ef8 | aliguori | pvc = &(*pvc)->next; |
377 | 63a01ef8 | aliguori | } |
378 | 63a01ef8 | aliguori | |
379 | 8b13c4a7 | aliguori | VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
|
380 | 8b13c4a7 | aliguori | { |
381 | 8b13c4a7 | aliguori | VLANClientState **pvc = &vlan->first_client; |
382 | 8b13c4a7 | aliguori | |
383 | 8b13c4a7 | aliguori | while (*pvc != NULL) |
384 | 8b13c4a7 | aliguori | if ((*pvc)->opaque == opaque)
|
385 | 8b13c4a7 | aliguori | return *pvc;
|
386 | 8b13c4a7 | aliguori | else
|
387 | 8b13c4a7 | aliguori | pvc = &(*pvc)->next; |
388 | 8b13c4a7 | aliguori | |
389 | 8b13c4a7 | aliguori | return NULL; |
390 | 8b13c4a7 | aliguori | } |
391 | 8b13c4a7 | aliguori | |
392 | 1a609520 | Jan Kiszka | static VLANClientState *
|
393 | 1a609520 | Jan Kiszka | qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
|
394 | 1a609520 | Jan Kiszka | const char *client_str) |
395 | 1a609520 | Jan Kiszka | { |
396 | 1a609520 | Jan Kiszka | VLANState *vlan; |
397 | 1a609520 | Jan Kiszka | VLANClientState *vc; |
398 | 1a609520 | Jan Kiszka | |
399 | 1a609520 | Jan Kiszka | vlan = qemu_find_vlan(vlan_id, 0);
|
400 | 1a609520 | Jan Kiszka | if (!vlan) {
|
401 | 1a609520 | Jan Kiszka | monitor_printf(mon, "unknown VLAN %d\n", vlan_id);
|
402 | 1a609520 | Jan Kiszka | return NULL; |
403 | 1a609520 | Jan Kiszka | } |
404 | 1a609520 | Jan Kiszka | |
405 | 1a609520 | Jan Kiszka | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
406 | 1a609520 | Jan Kiszka | if (!strcmp(vc->name, client_str)) {
|
407 | 1a609520 | Jan Kiszka | break;
|
408 | 1a609520 | Jan Kiszka | } |
409 | 1a609520 | Jan Kiszka | } |
410 | 1a609520 | Jan Kiszka | if (!vc) {
|
411 | 1a609520 | Jan Kiszka | monitor_printf(mon, "can't find device %s on VLAN %d\n",
|
412 | 1a609520 | Jan Kiszka | client_str, vlan_id); |
413 | 1a609520 | Jan Kiszka | } |
414 | 1a609520 | Jan Kiszka | |
415 | 1a609520 | Jan Kiszka | return vc;
|
416 | 1a609520 | Jan Kiszka | } |
417 | 1a609520 | Jan Kiszka | |
418 | 2e1e0641 | Mark McLoughlin | int qemu_can_send_packet(VLANClientState *sender)
|
419 | 63a01ef8 | aliguori | { |
420 | 2e1e0641 | Mark McLoughlin | VLANState *vlan = sender->vlan; |
421 | 63a01ef8 | aliguori | VLANClientState *vc; |
422 | 63a01ef8 | aliguori | |
423 | 2e1e0641 | Mark McLoughlin | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
424 | 2e1e0641 | Mark McLoughlin | if (vc == sender) {
|
425 | 2e1e0641 | Mark McLoughlin | continue;
|
426 | 2e1e0641 | Mark McLoughlin | } |
427 | 2e1e0641 | Mark McLoughlin | |
428 | cda9046b | Mark McLoughlin | /* no can_receive() handler, they can always receive */
|
429 | e3f5ec2b | Mark McLoughlin | if (!vc->can_receive || vc->can_receive(vc)) {
|
430 | 2e1e0641 | Mark McLoughlin | return 1; |
431 | 63a01ef8 | aliguori | } |
432 | 63a01ef8 | aliguori | } |
433 | 63a01ef8 | aliguori | return 0; |
434 | 63a01ef8 | aliguori | } |
435 | 63a01ef8 | aliguori | |
436 | 3e021d40 | Mark McLoughlin | static int |
437 | 764a4d1d | aliguori | qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size) |
438 | 63a01ef8 | aliguori | { |
439 | 63a01ef8 | aliguori | VLANClientState *vc; |
440 | 3e021d40 | Mark McLoughlin | int ret = -1; |
441 | 63a01ef8 | aliguori | |
442 | e94667b9 | Mark McLoughlin | sender->vlan->delivering = 1;
|
443 | e94667b9 | Mark McLoughlin | |
444 | 764a4d1d | aliguori | for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) { |
445 | 3e021d40 | Mark McLoughlin | ssize_t len; |
446 | 3e021d40 | Mark McLoughlin | |
447 | 3e021d40 | Mark McLoughlin | if (vc == sender) {
|
448 | 3e021d40 | Mark McLoughlin | continue;
|
449 | 764a4d1d | aliguori | } |
450 | 3e021d40 | Mark McLoughlin | |
451 | 3e021d40 | Mark McLoughlin | if (vc->link_down) {
|
452 | 3e021d40 | Mark McLoughlin | ret = size; |
453 | 3e021d40 | Mark McLoughlin | continue;
|
454 | 3e021d40 | Mark McLoughlin | } |
455 | 3e021d40 | Mark McLoughlin | |
456 | 3e021d40 | Mark McLoughlin | len = vc->receive(vc, buf, size); |
457 | 3e021d40 | Mark McLoughlin | |
458 | 3e021d40 | Mark McLoughlin | ret = (ret >= 0) ? ret : len;
|
459 | 764a4d1d | aliguori | } |
460 | 3e021d40 | Mark McLoughlin | |
461 | e94667b9 | Mark McLoughlin | sender->vlan->delivering = 0;
|
462 | e94667b9 | Mark McLoughlin | |
463 | 3e021d40 | Mark McLoughlin | return ret;
|
464 | 764a4d1d | aliguori | } |
465 | 764a4d1d | aliguori | |
466 | 8cad5516 | Mark McLoughlin | void qemu_purge_queued_packets(VLANClientState *vc)
|
467 | 8cad5516 | Mark McLoughlin | { |
468 | 8cad5516 | Mark McLoughlin | VLANPacket **pp = &vc->vlan->send_queue; |
469 | 8cad5516 | Mark McLoughlin | |
470 | 8cad5516 | Mark McLoughlin | while (*pp != NULL) { |
471 | 8cad5516 | Mark McLoughlin | VLANPacket *packet = *pp; |
472 | 8cad5516 | Mark McLoughlin | |
473 | 8cad5516 | Mark McLoughlin | if (packet->sender == vc) {
|
474 | 8cad5516 | Mark McLoughlin | *pp = packet->next; |
475 | 8cad5516 | Mark McLoughlin | qemu_free(packet); |
476 | 8cad5516 | Mark McLoughlin | } else {
|
477 | 8cad5516 | Mark McLoughlin | pp = &packet->next; |
478 | 8cad5516 | Mark McLoughlin | } |
479 | 8cad5516 | Mark McLoughlin | } |
480 | 8cad5516 | Mark McLoughlin | } |
481 | 8cad5516 | Mark McLoughlin | |
482 | f3b6c7fc | Mark McLoughlin | void qemu_flush_queued_packets(VLANClientState *vc)
|
483 | e94667b9 | Mark McLoughlin | { |
484 | e94667b9 | Mark McLoughlin | VLANPacket *packet; |
485 | e94667b9 | Mark McLoughlin | |
486 | e94667b9 | Mark McLoughlin | while ((packet = vc->vlan->send_queue) != NULL) { |
487 | f3b6c7fc | Mark McLoughlin | int ret;
|
488 | f3b6c7fc | Mark McLoughlin | |
489 | e94667b9 | Mark McLoughlin | vc->vlan->send_queue = packet->next; |
490 | f3b6c7fc | Mark McLoughlin | |
491 | f3b6c7fc | Mark McLoughlin | ret = qemu_deliver_packet(packet->sender, packet->data, packet->size); |
492 | f3b6c7fc | Mark McLoughlin | if (ret == 0 && packet->sent_cb != NULL) { |
493 | f3b6c7fc | Mark McLoughlin | packet->next = vc->vlan->send_queue; |
494 | f3b6c7fc | Mark McLoughlin | vc->vlan->send_queue = packet; |
495 | f3b6c7fc | Mark McLoughlin | break;
|
496 | f3b6c7fc | Mark McLoughlin | } |
497 | f3b6c7fc | Mark McLoughlin | |
498 | f3b6c7fc | Mark McLoughlin | if (packet->sent_cb)
|
499 | 783527a9 | Mark McLoughlin | packet->sent_cb(packet->sender, ret); |
500 | f3b6c7fc | Mark McLoughlin | |
501 | e94667b9 | Mark McLoughlin | qemu_free(packet); |
502 | e94667b9 | Mark McLoughlin | } |
503 | e94667b9 | Mark McLoughlin | } |
504 | e94667b9 | Mark McLoughlin | |
505 | f3b6c7fc | Mark McLoughlin | static void qemu_enqueue_packet(VLANClientState *sender, |
506 | f3b6c7fc | Mark McLoughlin | const uint8_t *buf, int size, |
507 | f3b6c7fc | Mark McLoughlin | NetPacketSent *sent_cb) |
508 | e94667b9 | Mark McLoughlin | { |
509 | e94667b9 | Mark McLoughlin | VLANPacket *packet; |
510 | e94667b9 | Mark McLoughlin | |
511 | e94667b9 | Mark McLoughlin | packet = qemu_malloc(sizeof(VLANPacket) + size);
|
512 | e94667b9 | Mark McLoughlin | packet->next = sender->vlan->send_queue; |
513 | e94667b9 | Mark McLoughlin | packet->sender = sender; |
514 | e94667b9 | Mark McLoughlin | packet->size = size; |
515 | f3b6c7fc | Mark McLoughlin | packet->sent_cb = sent_cb; |
516 | e94667b9 | Mark McLoughlin | memcpy(packet->data, buf, size); |
517 | e94667b9 | Mark McLoughlin | sender->vlan->send_queue = packet; |
518 | e94667b9 | Mark McLoughlin | } |
519 | e94667b9 | Mark McLoughlin | |
520 | f3b6c7fc | Mark McLoughlin | ssize_t qemu_send_packet_async(VLANClientState *sender, |
521 | f3b6c7fc | Mark McLoughlin | const uint8_t *buf, int size, |
522 | f3b6c7fc | Mark McLoughlin | NetPacketSent *sent_cb) |
523 | 764a4d1d | aliguori | { |
524 | f3b6c7fc | Mark McLoughlin | int ret;
|
525 | 764a4d1d | aliguori | |
526 | f3b6c7fc | Mark McLoughlin | if (sender->link_down) {
|
527 | f3b6c7fc | Mark McLoughlin | return size;
|
528 | f3b6c7fc | Mark McLoughlin | } |
529 | 436e5e53 | aliguori | |
530 | 63a01ef8 | aliguori | #ifdef DEBUG_NET
|
531 | f3b6c7fc | Mark McLoughlin | printf("vlan %d send:\n", sender->vlan->id);
|
532 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
533 | 63a01ef8 | aliguori | #endif
|
534 | f3b6c7fc | Mark McLoughlin | |
535 | f3b6c7fc | Mark McLoughlin | if (sender->vlan->delivering) {
|
536 | f3b6c7fc | Mark McLoughlin | qemu_enqueue_packet(sender, buf, size, NULL);
|
537 | f3b6c7fc | Mark McLoughlin | return size;
|
538 | f3b6c7fc | Mark McLoughlin | } |
539 | f3b6c7fc | Mark McLoughlin | |
540 | f3b6c7fc | Mark McLoughlin | ret = qemu_deliver_packet(sender, buf, size); |
541 | f3b6c7fc | Mark McLoughlin | if (ret == 0 && sent_cb != NULL) { |
542 | f3b6c7fc | Mark McLoughlin | qemu_enqueue_packet(sender, buf, size, sent_cb); |
543 | f3b6c7fc | Mark McLoughlin | return 0; |
544 | 63a01ef8 | aliguori | } |
545 | e94667b9 | Mark McLoughlin | |
546 | f3b6c7fc | Mark McLoughlin | qemu_flush_queued_packets(sender); |
547 | f3b6c7fc | Mark McLoughlin | |
548 | f3b6c7fc | Mark McLoughlin | return ret;
|
549 | f3b6c7fc | Mark McLoughlin | } |
550 | f3b6c7fc | Mark McLoughlin | |
551 | f3b6c7fc | Mark McLoughlin | void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size) |
552 | f3b6c7fc | Mark McLoughlin | { |
553 | f3b6c7fc | Mark McLoughlin | qemu_send_packet_async(vc, buf, size, NULL);
|
554 | 63a01ef8 | aliguori | } |
555 | 63a01ef8 | aliguori | |
556 | fbe78f4f | aliguori | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
557 | fbe78f4f | aliguori | int iovcnt)
|
558 | fbe78f4f | aliguori | { |
559 | fbe78f4f | aliguori | uint8_t buffer[4096];
|
560 | fbe78f4f | aliguori | size_t offset = 0;
|
561 | fbe78f4f | aliguori | int i;
|
562 | fbe78f4f | aliguori | |
563 | fbe78f4f | aliguori | for (i = 0; i < iovcnt; i++) { |
564 | fbe78f4f | aliguori | size_t len; |
565 | fbe78f4f | aliguori | |
566 | fbe78f4f | aliguori | len = MIN(sizeof(buffer) - offset, iov[i].iov_len);
|
567 | fbe78f4f | aliguori | memcpy(buffer + offset, iov[i].iov_base, len); |
568 | fbe78f4f | aliguori | offset += len; |
569 | fbe78f4f | aliguori | } |
570 | fbe78f4f | aliguori | |
571 | f3b6c7fc | Mark McLoughlin | return vc->receive(vc, buffer, offset);
|
572 | fbe78f4f | aliguori | } |
573 | fbe78f4f | aliguori | |
574 | e0e7877a | aliguori | static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) |
575 | e0e7877a | aliguori | { |
576 | e0e7877a | aliguori | size_t offset = 0;
|
577 | e0e7877a | aliguori | int i;
|
578 | e0e7877a | aliguori | |
579 | e0e7877a | aliguori | for (i = 0; i < iovcnt; i++) |
580 | e0e7877a | aliguori | offset += iov[i].iov_len; |
581 | e0e7877a | aliguori | return offset;
|
582 | e0e7877a | aliguori | } |
583 | e0e7877a | aliguori | |
584 | e94667b9 | Mark McLoughlin | static int qemu_deliver_packet_iov(VLANClientState *sender, |
585 | e94667b9 | Mark McLoughlin | const struct iovec *iov, int iovcnt) |
586 | fbe78f4f | aliguori | { |
587 | fbe78f4f | aliguori | VLANClientState *vc; |
588 | e94667b9 | Mark McLoughlin | int ret = -1; |
589 | e94667b9 | Mark McLoughlin | |
590 | e94667b9 | Mark McLoughlin | sender->vlan->delivering = 1;
|
591 | e94667b9 | Mark McLoughlin | |
592 | e94667b9 | Mark McLoughlin | for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) { |
593 | e94667b9 | Mark McLoughlin | ssize_t len; |
594 | e94667b9 | Mark McLoughlin | |
595 | e94667b9 | Mark McLoughlin | if (vc == sender) {
|
596 | e94667b9 | Mark McLoughlin | continue;
|
597 | e94667b9 | Mark McLoughlin | } |
598 | e94667b9 | Mark McLoughlin | |
599 | e94667b9 | Mark McLoughlin | if (vc->link_down) {
|
600 | e94667b9 | Mark McLoughlin | ret = calc_iov_length(iov, iovcnt); |
601 | e94667b9 | Mark McLoughlin | continue;
|
602 | e94667b9 | Mark McLoughlin | } |
603 | e94667b9 | Mark McLoughlin | |
604 | e94667b9 | Mark McLoughlin | if (vc->receive_iov) {
|
605 | e94667b9 | Mark McLoughlin | len = vc->receive_iov(vc, iov, iovcnt); |
606 | e94667b9 | Mark McLoughlin | } else {
|
607 | e94667b9 | Mark McLoughlin | len = vc_sendv_compat(vc, iov, iovcnt); |
608 | e94667b9 | Mark McLoughlin | } |
609 | e94667b9 | Mark McLoughlin | |
610 | e94667b9 | Mark McLoughlin | ret = (ret >= 0) ? ret : len;
|
611 | e94667b9 | Mark McLoughlin | } |
612 | e94667b9 | Mark McLoughlin | |
613 | e94667b9 | Mark McLoughlin | sender->vlan->delivering = 0;
|
614 | e94667b9 | Mark McLoughlin | |
615 | e94667b9 | Mark McLoughlin | return ret;
|
616 | e94667b9 | Mark McLoughlin | } |
617 | e94667b9 | Mark McLoughlin | |
618 | e94667b9 | Mark McLoughlin | static ssize_t qemu_enqueue_packet_iov(VLANClientState *sender,
|
619 | f3b6c7fc | Mark McLoughlin | const struct iovec *iov, int iovcnt, |
620 | f3b6c7fc | Mark McLoughlin | NetPacketSent *sent_cb) |
621 | e94667b9 | Mark McLoughlin | { |
622 | c27ff608 | Jan Kiszka | VLANPacket *packet; |
623 | e94667b9 | Mark McLoughlin | size_t max_len = 0;
|
624 | c27ff608 | Jan Kiszka | int i;
|
625 | fbe78f4f | aliguori | |
626 | e94667b9 | Mark McLoughlin | max_len = calc_iov_length(iov, iovcnt); |
627 | e0e7877a | aliguori | |
628 | e94667b9 | Mark McLoughlin | packet = qemu_malloc(sizeof(VLANPacket) + max_len);
|
629 | e94667b9 | Mark McLoughlin | packet->next = sender->vlan->send_queue; |
630 | e94667b9 | Mark McLoughlin | packet->sender = sender; |
631 | f3b6c7fc | Mark McLoughlin | packet->sent_cb = sent_cb; |
632 | e94667b9 | Mark McLoughlin | packet->size = 0;
|
633 | c27ff608 | Jan Kiszka | |
634 | e94667b9 | Mark McLoughlin | for (i = 0; i < iovcnt; i++) { |
635 | e94667b9 | Mark McLoughlin | size_t len = iov[i].iov_len; |
636 | c27ff608 | Jan Kiszka | |
637 | e94667b9 | Mark McLoughlin | memcpy(packet->data + packet->size, iov[i].iov_base, len); |
638 | e94667b9 | Mark McLoughlin | packet->size += len; |
639 | e94667b9 | Mark McLoughlin | } |
640 | fbe78f4f | aliguori | |
641 | e94667b9 | Mark McLoughlin | sender->vlan->send_queue = packet; |
642 | fbe78f4f | aliguori | |
643 | e94667b9 | Mark McLoughlin | return packet->size;
|
644 | e94667b9 | Mark McLoughlin | } |
645 | fbe78f4f | aliguori | |
646 | f3b6c7fc | Mark McLoughlin | ssize_t qemu_sendv_packet_async(VLANClientState *sender, |
647 | f3b6c7fc | Mark McLoughlin | const struct iovec *iov, int iovcnt, |
648 | f3b6c7fc | Mark McLoughlin | NetPacketSent *sent_cb) |
649 | e94667b9 | Mark McLoughlin | { |
650 | e94667b9 | Mark McLoughlin | int ret;
|
651 | e94667b9 | Mark McLoughlin | |
652 | e94667b9 | Mark McLoughlin | if (sender->link_down) {
|
653 | e94667b9 | Mark McLoughlin | return calc_iov_length(iov, iovcnt);
|
654 | e94667b9 | Mark McLoughlin | } |
655 | e94667b9 | Mark McLoughlin | |
656 | e94667b9 | Mark McLoughlin | if (sender->vlan->delivering) {
|
657 | f3b6c7fc | Mark McLoughlin | return qemu_enqueue_packet_iov(sender, iov, iovcnt, NULL); |
658 | fbe78f4f | aliguori | } |
659 | fbe78f4f | aliguori | |
660 | e94667b9 | Mark McLoughlin | ret = qemu_deliver_packet_iov(sender, iov, iovcnt); |
661 | f3b6c7fc | Mark McLoughlin | if (ret == 0 && sent_cb != NULL) { |
662 | f3b6c7fc | Mark McLoughlin | qemu_enqueue_packet_iov(sender, iov, iovcnt, sent_cb); |
663 | f3b6c7fc | Mark McLoughlin | return 0; |
664 | f3b6c7fc | Mark McLoughlin | } |
665 | e94667b9 | Mark McLoughlin | |
666 | e94667b9 | Mark McLoughlin | qemu_flush_queued_packets(sender); |
667 | e94667b9 | Mark McLoughlin | |
668 | e94667b9 | Mark McLoughlin | return ret;
|
669 | fbe78f4f | aliguori | } |
670 | fbe78f4f | aliguori | |
671 | f3b6c7fc | Mark McLoughlin | ssize_t |
672 | f3b6c7fc | Mark McLoughlin | qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov, int iovcnt) |
673 | f3b6c7fc | Mark McLoughlin | { |
674 | f3b6c7fc | Mark McLoughlin | return qemu_sendv_packet_async(vc, iov, iovcnt, NULL); |
675 | f3b6c7fc | Mark McLoughlin | } |
676 | f3b6c7fc | Mark McLoughlin | |
677 | 10ae5a7a | Jan Kiszka | static void config_error(Monitor *mon, const char *fmt, ...) |
678 | 10ae5a7a | Jan Kiszka | { |
679 | 10ae5a7a | Jan Kiszka | va_list ap; |
680 | 10ae5a7a | Jan Kiszka | |
681 | 10ae5a7a | Jan Kiszka | va_start(ap, fmt); |
682 | 10ae5a7a | Jan Kiszka | if (mon) {
|
683 | 10ae5a7a | Jan Kiszka | monitor_vprintf(mon, fmt, ap); |
684 | 10ae5a7a | Jan Kiszka | } else {
|
685 | 10ae5a7a | Jan Kiszka | fprintf(stderr, "qemu: ");
|
686 | 10ae5a7a | Jan Kiszka | vfprintf(stderr, fmt, ap); |
687 | 10ae5a7a | Jan Kiszka | exit(1);
|
688 | 10ae5a7a | Jan Kiszka | } |
689 | 10ae5a7a | Jan Kiszka | va_end(ap); |
690 | 10ae5a7a | Jan Kiszka | } |
691 | 10ae5a7a | Jan Kiszka | |
692 | 63a01ef8 | aliguori | #if defined(CONFIG_SLIRP)
|
693 | 63a01ef8 | aliguori | |
694 | 63a01ef8 | aliguori | /* slirp network adapter */
|
695 | 63a01ef8 | aliguori | |
696 | c92ef6a2 | Jan Kiszka | #define SLIRP_CFG_HOSTFWD 1 |
697 | c92ef6a2 | Jan Kiszka | #define SLIRP_CFG_LEGACY 2 |
698 | ad196a9d | Jan Kiszka | |
699 | b8e8af38 | Jan Kiszka | struct slirp_config_str {
|
700 | b8e8af38 | Jan Kiszka | struct slirp_config_str *next;
|
701 | ad196a9d | Jan Kiszka | int flags;
|
702 | ad196a9d | Jan Kiszka | char str[1024]; |
703 | c92ef6a2 | Jan Kiszka | int legacy_format;
|
704 | b8e8af38 | Jan Kiszka | }; |
705 | b8e8af38 | Jan Kiszka | |
706 | 9f8bd042 | Jan Kiszka | typedef struct SlirpState { |
707 | b1c99fcd | Jan Kiszka | TAILQ_ENTRY(SlirpState) entry; |
708 | 9f8bd042 | Jan Kiszka | VLANClientState *vc; |
709 | 9f8bd042 | Jan Kiszka | Slirp *slirp; |
710 | 28432466 | Jan Kiszka | #ifndef _WIN32
|
711 | 28432466 | Jan Kiszka | char smb_dir[128]; |
712 | 28432466 | Jan Kiszka | #endif
|
713 | 9f8bd042 | Jan Kiszka | } SlirpState; |
714 | 9f8bd042 | Jan Kiszka | |
715 | ad196a9d | Jan Kiszka | static struct slirp_config_str *slirp_configs; |
716 | ad196a9d | Jan Kiszka | const char *legacy_tftp_prefix; |
717 | ad196a9d | Jan Kiszka | const char *legacy_bootp_filename; |
718 | b1c99fcd | Jan Kiszka | static TAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
|
719 | b1c99fcd | Jan Kiszka | TAILQ_HEAD_INITIALIZER(slirp_stacks); |
720 | 63a01ef8 | aliguori | |
721 | 9f8bd042 | Jan Kiszka | static void slirp_hostfwd(SlirpState *s, Monitor *mon, const char *redir_str, |
722 | 3c6a0580 | Jan Kiszka | int legacy_format);
|
723 | 9f8bd042 | Jan Kiszka | static void slirp_guestfwd(SlirpState *s, Monitor *mon, const char *config_str, |
724 | c92ef6a2 | Jan Kiszka | int legacy_format);
|
725 | ad196a9d | Jan Kiszka | |
726 | c5b76b38 | Blue Swirl | #ifndef _WIN32
|
727 | ad196a9d | Jan Kiszka | static const char *legacy_smb_export; |
728 | ad196a9d | Jan Kiszka | |
729 | 492efabd | Jan Kiszka | static void slirp_smb(SlirpState *s, Monitor *mon, const char *exported_dir, |
730 | 9f8bd042 | Jan Kiszka | struct in_addr vserver_addr);
|
731 | 28432466 | Jan Kiszka | static void slirp_smb_cleanup(SlirpState *s); |
732 | 28432466 | Jan Kiszka | #else
|
733 | 28432466 | Jan Kiszka | static inline void slirp_smb_cleanup(SlirpState *s) { } |
734 | c5b76b38 | Blue Swirl | #endif
|
735 | b8e8af38 | Jan Kiszka | |
736 | 9f8bd042 | Jan Kiszka | int slirp_can_output(void *opaque) |
737 | 63a01ef8 | aliguori | { |
738 | 9f8bd042 | Jan Kiszka | SlirpState *s = opaque; |
739 | 9f8bd042 | Jan Kiszka | |
740 | 9f8bd042 | Jan Kiszka | return qemu_can_send_packet(s->vc);
|
741 | 63a01ef8 | aliguori | } |
742 | 63a01ef8 | aliguori | |
743 | 9f8bd042 | Jan Kiszka | void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) |
744 | 63a01ef8 | aliguori | { |
745 | 9f8bd042 | Jan Kiszka | SlirpState *s = opaque; |
746 | 9f8bd042 | Jan Kiszka | |
747 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
748 | 63a01ef8 | aliguori | printf("slirp output:\n");
|
749 | 63a01ef8 | aliguori | hex_dump(stdout, pkt, pkt_len); |
750 | 63a01ef8 | aliguori | #endif
|
751 | 9f8bd042 | Jan Kiszka | qemu_send_packet(s->vc, pkt, pkt_len); |
752 | 63a01ef8 | aliguori | } |
753 | 63a01ef8 | aliguori | |
754 | 4f1c942b | Mark McLoughlin | static ssize_t slirp_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
755 | 63a01ef8 | aliguori | { |
756 | 9f8bd042 | Jan Kiszka | SlirpState *s = vc->opaque; |
757 | 9f8bd042 | Jan Kiszka | |
758 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
759 | 63a01ef8 | aliguori | printf("slirp input:\n");
|
760 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
761 | 63a01ef8 | aliguori | #endif
|
762 | 9f8bd042 | Jan Kiszka | slirp_input(s->slirp, buf, size); |
763 | 4f1c942b | Mark McLoughlin | return size;
|
764 | 63a01ef8 | aliguori | } |
765 | 63a01ef8 | aliguori | |
766 | 8d6249a7 | aliguori | static void net_slirp_cleanup(VLANClientState *vc) |
767 | 8d6249a7 | aliguori | { |
768 | ad0d8c4c | Jan Kiszka | SlirpState *s = vc->opaque; |
769 | ad0d8c4c | Jan Kiszka | |
770 | ad0d8c4c | Jan Kiszka | slirp_cleanup(s->slirp); |
771 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
772 | b1c99fcd | Jan Kiszka | TAILQ_REMOVE(&slirp_stacks, s, entry); |
773 | ad0d8c4c | Jan Kiszka | qemu_free(s); |
774 | 8d6249a7 | aliguori | } |
775 | 8d6249a7 | aliguori | |
776 | ad196a9d | Jan Kiszka | static int net_slirp_init(Monitor *mon, VLANState *vlan, const char *model, |
777 | c92ef6a2 | Jan Kiszka | const char *name, int restricted, |
778 | c92ef6a2 | Jan Kiszka | const char *vnetwork, const char *vhost, |
779 | c92ef6a2 | Jan Kiszka | const char *vhostname, const char *tftp_export, |
780 | c92ef6a2 | Jan Kiszka | const char *bootfile, const char *vdhcp_start, |
781 | c92ef6a2 | Jan Kiszka | const char *vnameserver, const char *smb_export, |
782 | c92ef6a2 | Jan Kiszka | const char *vsmbserver) |
783 | 63a01ef8 | aliguori | { |
784 | ad0d8c4c | Jan Kiszka | /* default settings according to historic slirp */
|
785 | ad0d8c4c | Jan Kiszka | struct in_addr net = { .s_addr = htonl(0x0a000000) }; /* 10.0.0.0 */ |
786 | ad0d8c4c | Jan Kiszka | struct in_addr mask = { .s_addr = htonl(0xff000000) }; /* 255.0.0.0 */ |
787 | ad0d8c4c | Jan Kiszka | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ |
788 | ad0d8c4c | Jan Kiszka | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ |
789 | ad0d8c4c | Jan Kiszka | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ |
790 | c92ef6a2 | Jan Kiszka | #ifndef _WIN32
|
791 | ad0d8c4c | Jan Kiszka | struct in_addr smbsrv = { .s_addr = 0 }; |
792 | c92ef6a2 | Jan Kiszka | #endif
|
793 | ad0d8c4c | Jan Kiszka | SlirpState *s; |
794 | ad0d8c4c | Jan Kiszka | char buf[20]; |
795 | ad0d8c4c | Jan Kiszka | uint32_t addr; |
796 | ad0d8c4c | Jan Kiszka | int shift;
|
797 | ad0d8c4c | Jan Kiszka | char *end;
|
798 | ad0d8c4c | Jan Kiszka | |
799 | ad0d8c4c | Jan Kiszka | if (!tftp_export) {
|
800 | ad0d8c4c | Jan Kiszka | tftp_export = legacy_tftp_prefix; |
801 | ad0d8c4c | Jan Kiszka | } |
802 | ad0d8c4c | Jan Kiszka | if (!bootfile) {
|
803 | ad0d8c4c | Jan Kiszka | bootfile = legacy_bootp_filename; |
804 | ad0d8c4c | Jan Kiszka | } |
805 | c92ef6a2 | Jan Kiszka | |
806 | ad0d8c4c | Jan Kiszka | if (vnetwork) {
|
807 | ad0d8c4c | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { |
808 | ad0d8c4c | Jan Kiszka | if (!inet_aton(vnetwork, &net)) {
|
809 | ad0d8c4c | Jan Kiszka | return -1; |
810 | ad0d8c4c | Jan Kiszka | } |
811 | ad0d8c4c | Jan Kiszka | addr = ntohl(net.s_addr); |
812 | ad0d8c4c | Jan Kiszka | if (!(addr & 0x80000000)) { |
813 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xff000000); /* class A */ |
814 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xfff00000) == 0xac100000) { |
815 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ |
816 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xc0000000) == 0x80000000) { |
817 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffff0000); /* class B */ |
818 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xffff0000) == 0xc0a80000) { |
819 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ |
820 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xffff0000) == 0xc6120000) { |
821 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ |
822 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xe0000000) == 0xe0000000) { |
823 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffffff00); /* class C */ |
824 | c92ef6a2 | Jan Kiszka | } else {
|
825 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ |
826 | ad0d8c4c | Jan Kiszka | } |
827 | ad0d8c4c | Jan Kiszka | } else {
|
828 | ad0d8c4c | Jan Kiszka | if (!inet_aton(buf, &net)) {
|
829 | ad0d8c4c | Jan Kiszka | return -1; |
830 | ad0d8c4c | Jan Kiszka | } |
831 | ad0d8c4c | Jan Kiszka | shift = strtol(vnetwork, &end, 10);
|
832 | ad0d8c4c | Jan Kiszka | if (*end != '\0') { |
833 | ad0d8c4c | Jan Kiszka | if (!inet_aton(vnetwork, &mask)) {
|
834 | c92ef6a2 | Jan Kiszka | return -1; |
835 | c92ef6a2 | Jan Kiszka | } |
836 | ad0d8c4c | Jan Kiszka | } else if (shift < 4 || shift > 32) { |
837 | ad0d8c4c | Jan Kiszka | return -1; |
838 | ad0d8c4c | Jan Kiszka | } else {
|
839 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffffffff << (32 - shift)); |
840 | c92ef6a2 | Jan Kiszka | } |
841 | c92ef6a2 | Jan Kiszka | } |
842 | ad0d8c4c | Jan Kiszka | net.s_addr &= mask.s_addr; |
843 | ad0d8c4c | Jan Kiszka | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr);
|
844 | ad0d8c4c | Jan Kiszka | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr);
|
845 | ad0d8c4c | Jan Kiszka | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr);
|
846 | ad0d8c4c | Jan Kiszka | } |
847 | c92ef6a2 | Jan Kiszka | |
848 | ad0d8c4c | Jan Kiszka | if (vhost && !inet_aton(vhost, &host)) {
|
849 | ad0d8c4c | Jan Kiszka | return -1; |
850 | ad0d8c4c | Jan Kiszka | } |
851 | ad0d8c4c | Jan Kiszka | if ((host.s_addr & mask.s_addr) != net.s_addr) {
|
852 | ad0d8c4c | Jan Kiszka | return -1; |
853 | ad0d8c4c | Jan Kiszka | } |
854 | c92ef6a2 | Jan Kiszka | |
855 | ad0d8c4c | Jan Kiszka | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) {
|
856 | ad0d8c4c | Jan Kiszka | return -1; |
857 | ad0d8c4c | Jan Kiszka | } |
858 | ad0d8c4c | Jan Kiszka | if ((dhcp.s_addr & mask.s_addr) != net.s_addr ||
|
859 | ad0d8c4c | Jan Kiszka | dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { |
860 | ad0d8c4c | Jan Kiszka | return -1; |
861 | ad0d8c4c | Jan Kiszka | } |
862 | c92ef6a2 | Jan Kiszka | |
863 | ad0d8c4c | Jan Kiszka | if (vnameserver && !inet_aton(vnameserver, &dns)) {
|
864 | ad0d8c4c | Jan Kiszka | return -1; |
865 | ad0d8c4c | Jan Kiszka | } |
866 | ad0d8c4c | Jan Kiszka | if ((dns.s_addr & mask.s_addr) != net.s_addr ||
|
867 | ad0d8c4c | Jan Kiszka | dns.s_addr == host.s_addr) { |
868 | ad0d8c4c | Jan Kiszka | return -1; |
869 | ad0d8c4c | Jan Kiszka | } |
870 | c92ef6a2 | Jan Kiszka | |
871 | c92ef6a2 | Jan Kiszka | #ifndef _WIN32
|
872 | ad0d8c4c | Jan Kiszka | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
|
873 | ad0d8c4c | Jan Kiszka | return -1; |
874 | ad0d8c4c | Jan Kiszka | } |
875 | c92ef6a2 | Jan Kiszka | #endif
|
876 | c92ef6a2 | Jan Kiszka | |
877 | ad0d8c4c | Jan Kiszka | s = qemu_mallocz(sizeof(SlirpState));
|
878 | ad0d8c4c | Jan Kiszka | s->slirp = slirp_init(restricted, net, mask, host, vhostname, |
879 | ad0d8c4c | Jan Kiszka | tftp_export, bootfile, dhcp, dns, s); |
880 | b1c99fcd | Jan Kiszka | TAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
881 | b8e8af38 | Jan Kiszka | |
882 | ad0d8c4c | Jan Kiszka | while (slirp_configs) {
|
883 | ad0d8c4c | Jan Kiszka | struct slirp_config_str *config = slirp_configs;
|
884 | b8e8af38 | Jan Kiszka | |
885 | ad0d8c4c | Jan Kiszka | if (config->flags & SLIRP_CFG_HOSTFWD) {
|
886 | ad0d8c4c | Jan Kiszka | slirp_hostfwd(s, mon, config->str, |
887 | ad0d8c4c | Jan Kiszka | config->flags & SLIRP_CFG_LEGACY); |
888 | ad0d8c4c | Jan Kiszka | } else {
|
889 | ad0d8c4c | Jan Kiszka | slirp_guestfwd(s, mon, config->str, |
890 | ad0d8c4c | Jan Kiszka | config->flags & SLIRP_CFG_LEGACY); |
891 | b8e8af38 | Jan Kiszka | } |
892 | ad0d8c4c | Jan Kiszka | slirp_configs = config->next; |
893 | ad0d8c4c | Jan Kiszka | qemu_free(config); |
894 | ad0d8c4c | Jan Kiszka | } |
895 | b8e8af38 | Jan Kiszka | #ifndef _WIN32
|
896 | ad0d8c4c | Jan Kiszka | if (!smb_export) {
|
897 | ad0d8c4c | Jan Kiszka | smb_export = legacy_smb_export; |
898 | ad0d8c4c | Jan Kiszka | } |
899 | ad0d8c4c | Jan Kiszka | if (smb_export) {
|
900 | 492efabd | Jan Kiszka | slirp_smb(s, mon, smb_export, smbsrv); |
901 | 63a01ef8 | aliguori | } |
902 | ad0d8c4c | Jan Kiszka | #endif
|
903 | b8e8af38 | Jan Kiszka | |
904 | 9f8bd042 | Jan Kiszka | s->vc = qemu_new_vlan_client(vlan, model, name, NULL, slirp_receive, NULL, |
905 | 9f8bd042 | Jan Kiszka | net_slirp_cleanup, s); |
906 | fc57bc57 | Jan Kiszka | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
907 | fc57bc57 | Jan Kiszka | "net=%s, restricted=%c", inet_ntoa(net), restricted ? 'y' : 'n'); |
908 | 63a01ef8 | aliguori | return 0; |
909 | 63a01ef8 | aliguori | } |
910 | 63a01ef8 | aliguori | |
911 | f13b572c | Jan Kiszka | static SlirpState *slirp_lookup(Monitor *mon, const char *vlan, |
912 | f13b572c | Jan Kiszka | const char *stack) |
913 | f13b572c | Jan Kiszka | { |
914 | f13b572c | Jan Kiszka | VLANClientState *vc; |
915 | f13b572c | Jan Kiszka | |
916 | f13b572c | Jan Kiszka | if (vlan) {
|
917 | f13b572c | Jan Kiszka | vc = qemu_find_vlan_client_by_name(mon, strtol(vlan, NULL, 0), stack); |
918 | f13b572c | Jan Kiszka | if (!vc) {
|
919 | f13b572c | Jan Kiszka | return NULL; |
920 | f13b572c | Jan Kiszka | } |
921 | f13b572c | Jan Kiszka | if (strcmp(vc->model, "user")) { |
922 | f13b572c | Jan Kiszka | monitor_printf(mon, "invalid device specified\n");
|
923 | f13b572c | Jan Kiszka | return NULL; |
924 | f13b572c | Jan Kiszka | } |
925 | f13b572c | Jan Kiszka | return vc->opaque;
|
926 | f13b572c | Jan Kiszka | } else {
|
927 | f13b572c | Jan Kiszka | if (TAILQ_EMPTY(&slirp_stacks)) {
|
928 | f13b572c | Jan Kiszka | monitor_printf(mon, "user mode network stack not in use\n");
|
929 | f13b572c | Jan Kiszka | return NULL; |
930 | f13b572c | Jan Kiszka | } |
931 | f13b572c | Jan Kiszka | return TAILQ_FIRST(&slirp_stacks);
|
932 | f13b572c | Jan Kiszka | } |
933 | f13b572c | Jan Kiszka | } |
934 | f13b572c | Jan Kiszka | |
935 | f13b572c | Jan Kiszka | void net_slirp_hostfwd_remove(Monitor *mon, const char *arg1, |
936 | f13b572c | Jan Kiszka | const char *arg2, const char *arg3) |
937 | c1261d8d | Alexander Graf | { |
938 | 3c6a0580 | Jan Kiszka | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
939 | c1261d8d | Alexander Graf | int host_port;
|
940 | c1261d8d | Alexander Graf | char buf[256] = ""; |
941 | f13b572c | Jan Kiszka | const char *src_str, *p; |
942 | f13b572c | Jan Kiszka | SlirpState *s; |
943 | c1261d8d | Alexander Graf | int is_udp = 0; |
944 | 9c12a6f2 | Jan Kiszka | int err;
|
945 | c1261d8d | Alexander Graf | |
946 | f13b572c | Jan Kiszka | if (arg2) {
|
947 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, arg1, arg2); |
948 | f13b572c | Jan Kiszka | src_str = arg3; |
949 | f13b572c | Jan Kiszka | } else {
|
950 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, NULL, NULL); |
951 | f13b572c | Jan Kiszka | src_str = arg1; |
952 | f13b572c | Jan Kiszka | } |
953 | f13b572c | Jan Kiszka | if (!s) {
|
954 | c1261d8d | Alexander Graf | return;
|
955 | f3546deb | Jan Kiszka | } |
956 | c1261d8d | Alexander Graf | |
957 | 3c6a0580 | Jan Kiszka | if (!src_str || !src_str[0]) |
958 | c1261d8d | Alexander Graf | goto fail_syntax;
|
959 | c1261d8d | Alexander Graf | |
960 | f13b572c | Jan Kiszka | p = src_str; |
961 | c1261d8d | Alexander Graf | get_str_sep(buf, sizeof(buf), &p, ':'); |
962 | c1261d8d | Alexander Graf | |
963 | c1261d8d | Alexander Graf | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
964 | c1261d8d | Alexander Graf | is_udp = 0;
|
965 | c1261d8d | Alexander Graf | } else if (!strcmp(buf, "udp")) { |
966 | c1261d8d | Alexander Graf | is_udp = 1;
|
967 | c1261d8d | Alexander Graf | } else {
|
968 | c1261d8d | Alexander Graf | goto fail_syntax;
|
969 | c1261d8d | Alexander Graf | } |
970 | c1261d8d | Alexander Graf | |
971 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
972 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
973 | 3c6a0580 | Jan Kiszka | } |
974 | 3c6a0580 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
975 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
976 | 3c6a0580 | Jan Kiszka | } |
977 | 3c6a0580 | Jan Kiszka | |
978 | c1261d8d | Alexander Graf | host_port = atoi(p); |
979 | c1261d8d | Alexander Graf | |
980 | b1c99fcd | Jan Kiszka | err = slirp_remove_hostfwd(TAILQ_FIRST(&slirp_stacks)->slirp, is_udp, |
981 | 9f8bd042 | Jan Kiszka | host_addr, host_port); |
982 | c1261d8d | Alexander Graf | |
983 | 9c12a6f2 | Jan Kiszka | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str,
|
984 | 9c12a6f2 | Jan Kiszka | err ? "removed" : "not found"); |
985 | c1261d8d | Alexander Graf | return;
|
986 | c1261d8d | Alexander Graf | |
987 | c1261d8d | Alexander Graf | fail_syntax:
|
988 | c1261d8d | Alexander Graf | monitor_printf(mon, "invalid format\n");
|
989 | c1261d8d | Alexander Graf | } |
990 | c1261d8d | Alexander Graf | |
991 | 9f8bd042 | Jan Kiszka | static void slirp_hostfwd(SlirpState *s, Monitor *mon, const char *redir_str, |
992 | 3c6a0580 | Jan Kiszka | int legacy_format)
|
993 | 63a01ef8 | aliguori | { |
994 | 3c6a0580 | Jan Kiszka | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
995 | c92ef6a2 | Jan Kiszka | struct in_addr guest_addr = { .s_addr = 0 }; |
996 | 63a01ef8 | aliguori | int host_port, guest_port;
|
997 | b8e8af38 | Jan Kiszka | const char *p; |
998 | c92ef6a2 | Jan Kiszka | char buf[256]; |
999 | b8e8af38 | Jan Kiszka | int is_udp;
|
1000 | c92ef6a2 | Jan Kiszka | char *end;
|
1001 | 1c6ed9f3 | Alexander Graf | |
1002 | 63a01ef8 | aliguori | p = redir_str; |
1003 | f13b572c | Jan Kiszka | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1004 | d4ebe193 | aliguori | goto fail_syntax;
|
1005 | b8e8af38 | Jan Kiszka | } |
1006 | d4ebe193 | aliguori | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
1007 | 63a01ef8 | aliguori | is_udp = 0;
|
1008 | 63a01ef8 | aliguori | } else if (!strcmp(buf, "udp")) { |
1009 | 63a01ef8 | aliguori | is_udp = 1;
|
1010 | 63a01ef8 | aliguori | } else {
|
1011 | d4ebe193 | aliguori | goto fail_syntax;
|
1012 | 63a01ef8 | aliguori | } |
1013 | 63a01ef8 | aliguori | |
1014 | 3c6a0580 | Jan Kiszka | if (!legacy_format) {
|
1015 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1016 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
1017 | 3c6a0580 | Jan Kiszka | } |
1018 | 3c6a0580 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
1019 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
1020 | 3c6a0580 | Jan Kiszka | } |
1021 | 3c6a0580 | Jan Kiszka | } |
1022 | 3c6a0580 | Jan Kiszka | |
1023 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) { |
1024 | d4ebe193 | aliguori | goto fail_syntax;
|
1025 | b8e8af38 | Jan Kiszka | } |
1026 | c92ef6a2 | Jan Kiszka | host_port = strtol(buf, &end, 0);
|
1027 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || host_port < 1 || host_port > 65535) { |
1028 | d4ebe193 | aliguori | goto fail_syntax;
|
1029 | b8e8af38 | Jan Kiszka | } |
1030 | 63a01ef8 | aliguori | |
1031 | b8e8af38 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1032 | d4ebe193 | aliguori | goto fail_syntax;
|
1033 | b8e8af38 | Jan Kiszka | } |
1034 | c92ef6a2 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { |
1035 | d4ebe193 | aliguori | goto fail_syntax;
|
1036 | b8e8af38 | Jan Kiszka | } |
1037 | 63a01ef8 | aliguori | |
1038 | c92ef6a2 | Jan Kiszka | guest_port = strtol(p, &end, 0);
|
1039 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { |
1040 | d4ebe193 | aliguori | goto fail_syntax;
|
1041 | b8e8af38 | Jan Kiszka | } |
1042 | 63a01ef8 | aliguori | |
1043 | 9f8bd042 | Jan Kiszka | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr,
|
1044 | 9f8bd042 | Jan Kiszka | guest_port) < 0) {
|
1045 | c92ef6a2 | Jan Kiszka | config_error(mon, "could not set up host forwarding rule '%s'\n",
|
1046 | c92ef6a2 | Jan Kiszka | redir_str); |
1047 | 63a01ef8 | aliguori | } |
1048 | 63a01ef8 | aliguori | return;
|
1049 | d4ebe193 | aliguori | |
1050 | d4ebe193 | aliguori | fail_syntax:
|
1051 | c92ef6a2 | Jan Kiszka | config_error(mon, "invalid host forwarding rule '%s'\n", redir_str);
|
1052 | 63a01ef8 | aliguori | } |
1053 | 63a01ef8 | aliguori | |
1054 | f13b572c | Jan Kiszka | void net_slirp_hostfwd_add(Monitor *mon, const char *arg1, |
1055 | f13b572c | Jan Kiszka | const char *arg2, const char *arg3) |
1056 | b8e8af38 | Jan Kiszka | { |
1057 | f13b572c | Jan Kiszka | const char *redir_str; |
1058 | f13b572c | Jan Kiszka | SlirpState *s; |
1059 | f13b572c | Jan Kiszka | |
1060 | f13b572c | Jan Kiszka | if (arg2) {
|
1061 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, arg1, arg2); |
1062 | f13b572c | Jan Kiszka | redir_str = arg3; |
1063 | f13b572c | Jan Kiszka | } else {
|
1064 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, NULL, NULL); |
1065 | f13b572c | Jan Kiszka | redir_str = arg1; |
1066 | f13b572c | Jan Kiszka | } |
1067 | f13b572c | Jan Kiszka | if (s) {
|
1068 | f13b572c | Jan Kiszka | slirp_hostfwd(s, mon, redir_str, 0);
|
1069 | b8e8af38 | Jan Kiszka | } |
1070 | b8e8af38 | Jan Kiszka | |
1071 | f3546deb | Jan Kiszka | } |
1072 | f3546deb | Jan Kiszka | |
1073 | f3546deb | Jan Kiszka | void net_slirp_redir(const char *redir_str) |
1074 | f3546deb | Jan Kiszka | { |
1075 | f3546deb | Jan Kiszka | struct slirp_config_str *config;
|
1076 | f3546deb | Jan Kiszka | |
1077 | b1c99fcd | Jan Kiszka | if (TAILQ_EMPTY(&slirp_stacks)) {
|
1078 | f3546deb | Jan Kiszka | config = qemu_malloc(sizeof(*config));
|
1079 | f3546deb | Jan Kiszka | pstrcpy(config->str, sizeof(config->str), redir_str);
|
1080 | 3c6a0580 | Jan Kiszka | config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY; |
1081 | f3546deb | Jan Kiszka | config->next = slirp_configs; |
1082 | f3546deb | Jan Kiszka | slirp_configs = config; |
1083 | b8e8af38 | Jan Kiszka | return;
|
1084 | b8e8af38 | Jan Kiszka | } |
1085 | b8e8af38 | Jan Kiszka | |
1086 | b1c99fcd | Jan Kiszka | slirp_hostfwd(TAILQ_FIRST(&slirp_stacks), NULL, redir_str, 1); |
1087 | b8e8af38 | Jan Kiszka | } |
1088 | b8e8af38 | Jan Kiszka | |
1089 | 63a01ef8 | aliguori | #ifndef _WIN32
|
1090 | 63a01ef8 | aliguori | |
1091 | 63a01ef8 | aliguori | /* automatic user mode samba server configuration */
|
1092 | 28432466 | Jan Kiszka | static void slirp_smb_cleanup(SlirpState *s) |
1093 | 63a01ef8 | aliguori | { |
1094 | 28432466 | Jan Kiszka | char cmd[128]; |
1095 | 09c18925 | Jan Kiszka | |
1096 | 28432466 | Jan Kiszka | if (s->smb_dir[0] != '\0') { |
1097 | 28432466 | Jan Kiszka | snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir); |
1098 | 28432466 | Jan Kiszka | system(cmd); |
1099 | 28432466 | Jan Kiszka | s->smb_dir[0] = '\0'; |
1100 | 28432466 | Jan Kiszka | } |
1101 | 63a01ef8 | aliguori | } |
1102 | 63a01ef8 | aliguori | |
1103 | 492efabd | Jan Kiszka | static void slirp_smb(SlirpState* s, Monitor *mon, const char *exported_dir, |
1104 | 9f8bd042 | Jan Kiszka | struct in_addr vserver_addr)
|
1105 | 63a01ef8 | aliguori | { |
1106 | 28432466 | Jan Kiszka | static int instance; |
1107 | 28432466 | Jan Kiszka | char smb_conf[128]; |
1108 | 28432466 | Jan Kiszka | char smb_cmdline[128]; |
1109 | 63a01ef8 | aliguori | FILE *f; |
1110 | 63a01ef8 | aliguori | |
1111 | 28432466 | Jan Kiszka | snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d", |
1112 | 28432466 | Jan Kiszka | (long)getpid(), instance++);
|
1113 | 28432466 | Jan Kiszka | if (mkdir(s->smb_dir, 0700) < 0) { |
1114 | 28432466 | Jan Kiszka | config_error(mon, "could not create samba server dir '%s'\n",
|
1115 | 28432466 | Jan Kiszka | s->smb_dir); |
1116 | 492efabd | Jan Kiszka | return;
|
1117 | 63a01ef8 | aliguori | } |
1118 | 28432466 | Jan Kiszka | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf"); |
1119 | 63a01ef8 | aliguori | |
1120 | 63a01ef8 | aliguori | f = fopen(smb_conf, "w");
|
1121 | 63a01ef8 | aliguori | if (!f) {
|
1122 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
1123 | 492efabd | Jan Kiszka | config_error(mon, "could not create samba server "
|
1124 | 492efabd | Jan Kiszka | "configuration file '%s'\n", smb_conf);
|
1125 | 492efabd | Jan Kiszka | return;
|
1126 | 63a01ef8 | aliguori | } |
1127 | 63a01ef8 | aliguori | fprintf(f, |
1128 | 63a01ef8 | aliguori | "[global]\n"
|
1129 | 63a01ef8 | aliguori | "private dir=%s\n"
|
1130 | 63a01ef8 | aliguori | "smb ports=0\n"
|
1131 | 63a01ef8 | aliguori | "socket address=127.0.0.1\n"
|
1132 | 63a01ef8 | aliguori | "pid directory=%s\n"
|
1133 | 63a01ef8 | aliguori | "lock directory=%s\n"
|
1134 | 63a01ef8 | aliguori | "log file=%s/log.smbd\n"
|
1135 | 63a01ef8 | aliguori | "smb passwd file=%s/smbpasswd\n"
|
1136 | 63a01ef8 | aliguori | "security = share\n"
|
1137 | 63a01ef8 | aliguori | "[qemu]\n"
|
1138 | 63a01ef8 | aliguori | "path=%s\n"
|
1139 | 63a01ef8 | aliguori | "read only=no\n"
|
1140 | 63a01ef8 | aliguori | "guest ok=yes\n",
|
1141 | 28432466 | Jan Kiszka | s->smb_dir, |
1142 | 28432466 | Jan Kiszka | s->smb_dir, |
1143 | 28432466 | Jan Kiszka | s->smb_dir, |
1144 | 28432466 | Jan Kiszka | s->smb_dir, |
1145 | 28432466 | Jan Kiszka | s->smb_dir, |
1146 | 63a01ef8 | aliguori | exported_dir |
1147 | 63a01ef8 | aliguori | ); |
1148 | 63a01ef8 | aliguori | fclose(f); |
1149 | 63a01ef8 | aliguori | |
1150 | 63a01ef8 | aliguori | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
1151 | 63a01ef8 | aliguori | SMBD_COMMAND, smb_conf); |
1152 | 63a01ef8 | aliguori | |
1153 | 9f8bd042 | Jan Kiszka | if (slirp_add_exec(s->slirp, 0, smb_cmdline, vserver_addr, 139) < 0) { |
1154 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
1155 | 492efabd | Jan Kiszka | config_error(mon, "conflicting/invalid smbserver address\n");
|
1156 | c92ef6a2 | Jan Kiszka | } |
1157 | 63a01ef8 | aliguori | } |
1158 | 63a01ef8 | aliguori | |
1159 | ad196a9d | Jan Kiszka | /* automatic user mode samba server configuration (legacy interface) */
|
1160 | b8e8af38 | Jan Kiszka | void net_slirp_smb(const char *exported_dir) |
1161 | b8e8af38 | Jan Kiszka | { |
1162 | c92ef6a2 | Jan Kiszka | struct in_addr vserver_addr = { .s_addr = 0 }; |
1163 | c92ef6a2 | Jan Kiszka | |
1164 | ad196a9d | Jan Kiszka | if (legacy_smb_export) {
|
1165 | b8e8af38 | Jan Kiszka | fprintf(stderr, "-smb given twice\n");
|
1166 | b8e8af38 | Jan Kiszka | exit(1);
|
1167 | b8e8af38 | Jan Kiszka | } |
1168 | ad196a9d | Jan Kiszka | legacy_smb_export = exported_dir; |
1169 | b1c99fcd | Jan Kiszka | if (!TAILQ_EMPTY(&slirp_stacks)) {
|
1170 | 492efabd | Jan Kiszka | slirp_smb(TAILQ_FIRST(&slirp_stacks), NULL, exported_dir,
|
1171 | 492efabd | Jan Kiszka | vserver_addr); |
1172 | b8e8af38 | Jan Kiszka | } |
1173 | b8e8af38 | Jan Kiszka | } |
1174 | b8e8af38 | Jan Kiszka | |
1175 | 63a01ef8 | aliguori | #endif /* !defined(_WIN32) */ |
1176 | b8e8af38 | Jan Kiszka | |
1177 | c92ef6a2 | Jan Kiszka | struct GuestFwd {
|
1178 | 8ca9217d | aliguori | CharDriverState *hd; |
1179 | c92ef6a2 | Jan Kiszka | struct in_addr server;
|
1180 | 8ca9217d | aliguori | int port;
|
1181 | 9f8bd042 | Jan Kiszka | Slirp *slirp; |
1182 | 511d2b14 | blueswir1 | }; |
1183 | 8ca9217d | aliguori | |
1184 | c92ef6a2 | Jan Kiszka | static int guestfwd_can_read(void *opaque) |
1185 | 8ca9217d | aliguori | { |
1186 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd = opaque;
|
1187 | 9f8bd042 | Jan Kiszka | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port);
|
1188 | 8ca9217d | aliguori | } |
1189 | 8ca9217d | aliguori | |
1190 | c92ef6a2 | Jan Kiszka | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) |
1191 | 8ca9217d | aliguori | { |
1192 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd = opaque;
|
1193 | 9f8bd042 | Jan Kiszka | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); |
1194 | 8ca9217d | aliguori | } |
1195 | 8ca9217d | aliguori | |
1196 | 9f8bd042 | Jan Kiszka | static void slirp_guestfwd(SlirpState *s, Monitor *mon, const char *config_str, |
1197 | c92ef6a2 | Jan Kiszka | int legacy_format)
|
1198 | ad196a9d | Jan Kiszka | { |
1199 | c92ef6a2 | Jan Kiszka | struct in_addr server = { .s_addr = 0 }; |
1200 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd;
|
1201 | c92ef6a2 | Jan Kiszka | const char *p; |
1202 | c92ef6a2 | Jan Kiszka | char buf[128]; |
1203 | c92ef6a2 | Jan Kiszka | char *end;
|
1204 | ad196a9d | Jan Kiszka | int port;
|
1205 | ad196a9d | Jan Kiszka | |
1206 | c92ef6a2 | Jan Kiszka | p = config_str; |
1207 | c92ef6a2 | Jan Kiszka | if (legacy_format) {
|
1208 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1209 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1210 | c92ef6a2 | Jan Kiszka | } |
1211 | c92ef6a2 | Jan Kiszka | } else {
|
1212 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1213 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1214 | c92ef6a2 | Jan Kiszka | } |
1215 | c92ef6a2 | Jan Kiszka | if (strcmp(buf, "tcp") && buf[0] != '\0') { |
1216 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1217 | c92ef6a2 | Jan Kiszka | } |
1218 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1219 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1220 | c92ef6a2 | Jan Kiszka | } |
1221 | c92ef6a2 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &server)) { |
1222 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1223 | c92ef6a2 | Jan Kiszka | } |
1224 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
1225 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1226 | c92ef6a2 | Jan Kiszka | } |
1227 | c92ef6a2 | Jan Kiszka | } |
1228 | c92ef6a2 | Jan Kiszka | port = strtol(buf, &end, 10);
|
1229 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || port < 1 || port > 65535) { |
1230 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1231 | ad196a9d | Jan Kiszka | } |
1232 | ad196a9d | Jan Kiszka | |
1233 | c92ef6a2 | Jan Kiszka | fwd = qemu_malloc(sizeof(struct GuestFwd)); |
1234 | c92ef6a2 | Jan Kiszka | snprintf(buf, sizeof(buf), "guestfwd.tcp:%d", port); |
1235 | c92ef6a2 | Jan Kiszka | fwd->hd = qemu_chr_open(buf, p, NULL);
|
1236 | c92ef6a2 | Jan Kiszka | if (!fwd->hd) {
|
1237 | c92ef6a2 | Jan Kiszka | config_error(mon, "could not open guest forwarding device '%s'\n",
|
1238 | c92ef6a2 | Jan Kiszka | buf); |
1239 | c92ef6a2 | Jan Kiszka | qemu_free(fwd); |
1240 | ad196a9d | Jan Kiszka | return;
|
1241 | ad196a9d | Jan Kiszka | } |
1242 | c92ef6a2 | Jan Kiszka | fwd->server = server; |
1243 | c92ef6a2 | Jan Kiszka | fwd->port = port; |
1244 | 9f8bd042 | Jan Kiszka | fwd->slirp = s->slirp; |
1245 | ad196a9d | Jan Kiszka | |
1246 | 9f8bd042 | Jan Kiszka | if (slirp_add_exec(s->slirp, 3, fwd->hd, server, port) < 0) { |
1247 | c92ef6a2 | Jan Kiszka | config_error(mon, "conflicting/invalid host:port in guest forwarding "
|
1248 | c92ef6a2 | Jan Kiszka | "rule '%s'\n", config_str);
|
1249 | c92ef6a2 | Jan Kiszka | qemu_free(fwd); |
1250 | c92ef6a2 | Jan Kiszka | return;
|
1251 | c92ef6a2 | Jan Kiszka | } |
1252 | c92ef6a2 | Jan Kiszka | qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read, |
1253 | c92ef6a2 | Jan Kiszka | NULL, fwd);
|
1254 | ad196a9d | Jan Kiszka | return;
|
1255 | c92ef6a2 | Jan Kiszka | |
1256 | c92ef6a2 | Jan Kiszka | fail_syntax:
|
1257 | c92ef6a2 | Jan Kiszka | config_error(mon, "invalid guest forwarding rule '%s'\n", config_str);
|
1258 | ad196a9d | Jan Kiszka | } |
1259 | ad196a9d | Jan Kiszka | |
1260 | 6dbe553f | Jan Kiszka | void do_info_usernet(Monitor *mon)
|
1261 | 6dbe553f | Jan Kiszka | { |
1262 | b1c99fcd | Jan Kiszka | SlirpState *s; |
1263 | 9f8bd042 | Jan Kiszka | |
1264 | b1c99fcd | Jan Kiszka | TAILQ_FOREACH(s, &slirp_stacks, entry) { |
1265 | b1c99fcd | Jan Kiszka | monitor_printf(mon, "VLAN %d (%s):\n", s->vc->vlan->id, s->vc->name);
|
1266 | b1c99fcd | Jan Kiszka | slirp_connection_info(s->slirp, mon); |
1267 | 9f8bd042 | Jan Kiszka | } |
1268 | 6dbe553f | Jan Kiszka | } |
1269 | 6dbe553f | Jan Kiszka | |
1270 | 63a01ef8 | aliguori | #endif /* CONFIG_SLIRP */ |
1271 | 63a01ef8 | aliguori | |
1272 | 63a01ef8 | aliguori | #if !defined(_WIN32)
|
1273 | 63a01ef8 | aliguori | |
1274 | 63a01ef8 | aliguori | typedef struct TAPState { |
1275 | 63a01ef8 | aliguori | VLANClientState *vc; |
1276 | 63a01ef8 | aliguori | int fd;
|
1277 | 63a01ef8 | aliguori | char down_script[1024]; |
1278 | 973cbd37 | aliguori | char down_script_arg[128]; |
1279 | 5b01e886 | Mark McLoughlin | uint8_t buf[4096];
|
1280 | b664e367 | Mark McLoughlin | unsigned int read_poll : 1; |
1281 | 1f7babf6 | Mark McLoughlin | unsigned int write_poll : 1; |
1282 | 63a01ef8 | aliguori | } TAPState; |
1283 | 63a01ef8 | aliguori | |
1284 | b946a153 | aliguori | static int launch_script(const char *setup_script, const char *ifname, int fd); |
1285 | b946a153 | aliguori | |
1286 | b664e367 | Mark McLoughlin | static int tap_can_send(void *opaque); |
1287 | b664e367 | Mark McLoughlin | static void tap_send(void *opaque); |
1288 | 1f7babf6 | Mark McLoughlin | static void tap_writable(void *opaque); |
1289 | b664e367 | Mark McLoughlin | |
1290 | b664e367 | Mark McLoughlin | static void tap_update_fd_handler(TAPState *s) |
1291 | b664e367 | Mark McLoughlin | { |
1292 | b664e367 | Mark McLoughlin | qemu_set_fd_handler2(s->fd, |
1293 | b664e367 | Mark McLoughlin | s->read_poll ? tap_can_send : NULL,
|
1294 | b664e367 | Mark McLoughlin | s->read_poll ? tap_send : NULL,
|
1295 | 1f7babf6 | Mark McLoughlin | s->write_poll ? tap_writable : NULL,
|
1296 | b664e367 | Mark McLoughlin | s); |
1297 | b664e367 | Mark McLoughlin | } |
1298 | b664e367 | Mark McLoughlin | |
1299 | b664e367 | Mark McLoughlin | static void tap_read_poll(TAPState *s, int enable) |
1300 | b664e367 | Mark McLoughlin | { |
1301 | b664e367 | Mark McLoughlin | s->read_poll = !!enable; |
1302 | b664e367 | Mark McLoughlin | tap_update_fd_handler(s); |
1303 | b664e367 | Mark McLoughlin | } |
1304 | b664e367 | Mark McLoughlin | |
1305 | 1f7babf6 | Mark McLoughlin | static void tap_write_poll(TAPState *s, int enable) |
1306 | 1f7babf6 | Mark McLoughlin | { |
1307 | 1f7babf6 | Mark McLoughlin | s->write_poll = !!enable; |
1308 | 1f7babf6 | Mark McLoughlin | tap_update_fd_handler(s); |
1309 | 1f7babf6 | Mark McLoughlin | } |
1310 | 1f7babf6 | Mark McLoughlin | |
1311 | 1f7babf6 | Mark McLoughlin | static void tap_writable(void *opaque) |
1312 | 1f7babf6 | Mark McLoughlin | { |
1313 | 1f7babf6 | Mark McLoughlin | TAPState *s = opaque; |
1314 | 1f7babf6 | Mark McLoughlin | |
1315 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 0);
|
1316 | 1f7babf6 | Mark McLoughlin | |
1317 | 1f7babf6 | Mark McLoughlin | qemu_flush_queued_packets(s->vc); |
1318 | 1f7babf6 | Mark McLoughlin | } |
1319 | 1f7babf6 | Mark McLoughlin | |
1320 | e3f5ec2b | Mark McLoughlin | static ssize_t tap_receive_iov(VLANClientState *vc, const struct iovec *iov, |
1321 | b535b7b2 | aliguori | int iovcnt)
|
1322 | b535b7b2 | aliguori | { |
1323 | e3f5ec2b | Mark McLoughlin | TAPState *s = vc->opaque; |
1324 | b535b7b2 | aliguori | ssize_t len; |
1325 | b535b7b2 | aliguori | |
1326 | b535b7b2 | aliguori | do {
|
1327 | b535b7b2 | aliguori | len = writev(s->fd, iov, iovcnt); |
1328 | 1f7babf6 | Mark McLoughlin | } while (len == -1 && errno == EINTR); |
1329 | 1f7babf6 | Mark McLoughlin | |
1330 | 1f7babf6 | Mark McLoughlin | if (len == -1 && errno == EAGAIN) { |
1331 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 1);
|
1332 | 1f7babf6 | Mark McLoughlin | return 0; |
1333 | 1f7babf6 | Mark McLoughlin | } |
1334 | b535b7b2 | aliguori | |
1335 | b535b7b2 | aliguori | return len;
|
1336 | b535b7b2 | aliguori | } |
1337 | b535b7b2 | aliguori | |
1338 | 4f1c942b | Mark McLoughlin | static ssize_t tap_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1339 | 63a01ef8 | aliguori | { |
1340 | e3f5ec2b | Mark McLoughlin | TAPState *s = vc->opaque; |
1341 | 4f1c942b | Mark McLoughlin | ssize_t len; |
1342 | 4f1c942b | Mark McLoughlin | |
1343 | 4f1c942b | Mark McLoughlin | do {
|
1344 | 4f1c942b | Mark McLoughlin | len = write(s->fd, buf, size); |
1345 | 4f1c942b | Mark McLoughlin | } while (len == -1 && (errno == EINTR || errno == EAGAIN)); |
1346 | 4f1c942b | Mark McLoughlin | |
1347 | 4f1c942b | Mark McLoughlin | return len;
|
1348 | 63a01ef8 | aliguori | } |
1349 | 63a01ef8 | aliguori | |
1350 | 3471b757 | Mark McLoughlin | static int tap_can_send(void *opaque) |
1351 | 3471b757 | Mark McLoughlin | { |
1352 | 3471b757 | Mark McLoughlin | TAPState *s = opaque; |
1353 | 3471b757 | Mark McLoughlin | |
1354 | 3471b757 | Mark McLoughlin | return qemu_can_send_packet(s->vc);
|
1355 | 3471b757 | Mark McLoughlin | } |
1356 | 3471b757 | Mark McLoughlin | |
1357 | 63a01ef8 | aliguori | #ifdef __sun__
|
1358 | 5a6d8815 | Mark McLoughlin | static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen) |
1359 | 5a6d8815 | Mark McLoughlin | { |
1360 | 63a01ef8 | aliguori | struct strbuf sbuf;
|
1361 | 63a01ef8 | aliguori | int f = 0; |
1362 | 5a6d8815 | Mark McLoughlin | |
1363 | 5a6d8815 | Mark McLoughlin | sbuf.maxlen = maxlen; |
1364 | 3f4cb3d3 | blueswir1 | sbuf.buf = (char *)buf;
|
1365 | 5a6d8815 | Mark McLoughlin | |
1366 | 5a6d8815 | Mark McLoughlin | return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1; |
1367 | 5a6d8815 | Mark McLoughlin | } |
1368 | 63a01ef8 | aliguori | #else
|
1369 | 5a6d8815 | Mark McLoughlin | static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen) |
1370 | 5a6d8815 | Mark McLoughlin | { |
1371 | 5a6d8815 | Mark McLoughlin | return read(tapfd, buf, maxlen);
|
1372 | 5a6d8815 | Mark McLoughlin | } |
1373 | 63a01ef8 | aliguori | #endif
|
1374 | 5a6d8815 | Mark McLoughlin | |
1375 | 783527a9 | Mark McLoughlin | static void tap_send_completed(VLANClientState *vc, ssize_t len) |
1376 | e19eb224 | Mark McLoughlin | { |
1377 | e19eb224 | Mark McLoughlin | TAPState *s = vc->opaque; |
1378 | b664e367 | Mark McLoughlin | tap_read_poll(s, 1);
|
1379 | e19eb224 | Mark McLoughlin | } |
1380 | e19eb224 | Mark McLoughlin | |
1381 | 5a6d8815 | Mark McLoughlin | static void tap_send(void *opaque) |
1382 | 5a6d8815 | Mark McLoughlin | { |
1383 | 5a6d8815 | Mark McLoughlin | TAPState *s = opaque; |
1384 | 5a6d8815 | Mark McLoughlin | int size;
|
1385 | 5a6d8815 | Mark McLoughlin | |
1386 | e19eb224 | Mark McLoughlin | do {
|
1387 | e19eb224 | Mark McLoughlin | size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
|
1388 | e19eb224 | Mark McLoughlin | if (size <= 0) { |
1389 | e19eb224 | Mark McLoughlin | break;
|
1390 | e19eb224 | Mark McLoughlin | } |
1391 | e19eb224 | Mark McLoughlin | |
1392 | e19eb224 | Mark McLoughlin | size = qemu_send_packet_async(s->vc, s->buf, size, tap_send_completed); |
1393 | e19eb224 | Mark McLoughlin | if (size == 0) { |
1394 | b664e367 | Mark McLoughlin | tap_read_poll(s, 0);
|
1395 | e19eb224 | Mark McLoughlin | } |
1396 | e19eb224 | Mark McLoughlin | } while (size > 0); |
1397 | 63a01ef8 | aliguori | } |
1398 | 63a01ef8 | aliguori | |
1399 | 0df0ff6d | Mark McLoughlin | #ifdef TUNSETSNDBUF
|
1400 | fc5b81d1 | Mark McLoughlin | /* sndbuf should be set to a value lower than the tx queue
|
1401 | fc5b81d1 | Mark McLoughlin | * capacity of any destination network interface.
|
1402 | fc5b81d1 | Mark McLoughlin | * Ethernet NICs generally have txqueuelen=1000, so 1Mb is
|
1403 | fc5b81d1 | Mark McLoughlin | * a good default, given a 1500 byte MTU.
|
1404 | fc5b81d1 | Mark McLoughlin | */
|
1405 | fc5b81d1 | Mark McLoughlin | #define TAP_DEFAULT_SNDBUF 1024*1024 |
1406 | fc5b81d1 | Mark McLoughlin | |
1407 | fc5b81d1 | Mark McLoughlin | static void tap_set_sndbuf(TAPState *s, const char *sndbuf_str, Monitor *mon) |
1408 | fc5b81d1 | Mark McLoughlin | { |
1409 | fc5b81d1 | Mark McLoughlin | int sndbuf = TAP_DEFAULT_SNDBUF;
|
1410 | fc5b81d1 | Mark McLoughlin | |
1411 | fc5b81d1 | Mark McLoughlin | if (sndbuf_str) {
|
1412 | fc5b81d1 | Mark McLoughlin | sndbuf = atoi(sndbuf_str); |
1413 | fc5b81d1 | Mark McLoughlin | } |
1414 | fc5b81d1 | Mark McLoughlin | |
1415 | fc5b81d1 | Mark McLoughlin | if (!sndbuf) {
|
1416 | fc5b81d1 | Mark McLoughlin | sndbuf = INT_MAX; |
1417 | fc5b81d1 | Mark McLoughlin | } |
1418 | fc5b81d1 | Mark McLoughlin | |
1419 | d026fb6d | Mark McLoughlin | if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1 && sndbuf_str) { |
1420 | 0df0ff6d | Mark McLoughlin | config_error(mon, "TUNSETSNDBUF ioctl failed: %s\n",
|
1421 | 0df0ff6d | Mark McLoughlin | strerror(errno)); |
1422 | 0df0ff6d | Mark McLoughlin | } |
1423 | fc5b81d1 | Mark McLoughlin | } |
1424 | 0df0ff6d | Mark McLoughlin | #else
|
1425 | fc5b81d1 | Mark McLoughlin | static void tap_set_sndbuf(TAPState *s, const char *sndbuf_str, Monitor *mon) |
1426 | fc5b81d1 | Mark McLoughlin | { |
1427 | fc5b81d1 | Mark McLoughlin | if (sndbuf_str) {
|
1428 | fc5b81d1 | Mark McLoughlin | config_error(mon, "No '-net tap,sndbuf=<nbytes>' support available\n");
|
1429 | fc5b81d1 | Mark McLoughlin | } |
1430 | 0df0ff6d | Mark McLoughlin | } |
1431 | fc5b81d1 | Mark McLoughlin | #endif /* TUNSETSNDBUF */ |
1432 | 0df0ff6d | Mark McLoughlin | |
1433 | b946a153 | aliguori | static void tap_cleanup(VLANClientState *vc) |
1434 | b946a153 | aliguori | { |
1435 | b946a153 | aliguori | TAPState *s = vc->opaque; |
1436 | b946a153 | aliguori | |
1437 | b9adce2c | Mark McLoughlin | qemu_purge_queued_packets(vc); |
1438 | b9adce2c | Mark McLoughlin | |
1439 | b946a153 | aliguori | if (s->down_script[0]) |
1440 | b946a153 | aliguori | launch_script(s->down_script, s->down_script_arg, s->fd); |
1441 | b946a153 | aliguori | |
1442 | b664e367 | Mark McLoughlin | tap_read_poll(s, 0);
|
1443 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 0);
|
1444 | b946a153 | aliguori | close(s->fd); |
1445 | b946a153 | aliguori | qemu_free(s); |
1446 | b946a153 | aliguori | } |
1447 | b946a153 | aliguori | |
1448 | 63a01ef8 | aliguori | /* fd support */
|
1449 | 63a01ef8 | aliguori | |
1450 | 7a9f6e4a | aliguori | static TAPState *net_tap_fd_init(VLANState *vlan,
|
1451 | 7a9f6e4a | aliguori | const char *model, |
1452 | 7a9f6e4a | aliguori | const char *name, |
1453 | 7a9f6e4a | aliguori | int fd)
|
1454 | 63a01ef8 | aliguori | { |
1455 | 63a01ef8 | aliguori | TAPState *s; |
1456 | 63a01ef8 | aliguori | |
1457 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(TAPState));
|
1458 | 63a01ef8 | aliguori | s->fd = fd; |
1459 | 463af534 | Mark McLoughlin | s->vc = qemu_new_vlan_client(vlan, model, name, NULL, tap_receive,
|
1460 | 463af534 | Mark McLoughlin | tap_receive_iov, tap_cleanup, s); |
1461 | b664e367 | Mark McLoughlin | tap_read_poll(s, 1);
|
1462 | 7cb7434b | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); |
1463 | 63a01ef8 | aliguori | return s;
|
1464 | 63a01ef8 | aliguori | } |
1465 | 63a01ef8 | aliguori | |
1466 | 179a2c19 | blueswir1 | #if defined (HOST_BSD) || defined (__FreeBSD_kernel__)
|
1467 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
1468 | 63a01ef8 | aliguori | { |
1469 | 63a01ef8 | aliguori | int fd;
|
1470 | 63a01ef8 | aliguori | char *dev;
|
1471 | 63a01ef8 | aliguori | struct stat s;
|
1472 | 63a01ef8 | aliguori | |
1473 | 63a01ef8 | aliguori | TFR(fd = open("/dev/tap", O_RDWR));
|
1474 | 63a01ef8 | aliguori | if (fd < 0) { |
1475 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
1476 | 63a01ef8 | aliguori | return -1; |
1477 | 63a01ef8 | aliguori | } |
1478 | 63a01ef8 | aliguori | |
1479 | 63a01ef8 | aliguori | fstat(fd, &s); |
1480 | 63a01ef8 | aliguori | dev = devname(s.st_rdev, S_IFCHR); |
1481 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
1482 | 63a01ef8 | aliguori | |
1483 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1484 | 63a01ef8 | aliguori | return fd;
|
1485 | 63a01ef8 | aliguori | } |
1486 | 63a01ef8 | aliguori | #elif defined(__sun__)
|
1487 | 63a01ef8 | aliguori | #define TUNNEWPPA (('T'<<16) | 0x0001) |
1488 | 63a01ef8 | aliguori | /*
|
1489 | 63a01ef8 | aliguori | * Allocate TAP device, returns opened fd.
|
1490 | 63a01ef8 | aliguori | * Stores dev name in the first arg(must be large enough).
|
1491 | 63a01ef8 | aliguori | */
|
1492 | 3f4cb3d3 | blueswir1 | static int tap_alloc(char *dev, size_t dev_size) |
1493 | 63a01ef8 | aliguori | { |
1494 | 63a01ef8 | aliguori | int tap_fd, if_fd, ppa = -1; |
1495 | 63a01ef8 | aliguori | static int ip_fd = 0; |
1496 | 63a01ef8 | aliguori | char *ptr;
|
1497 | 63a01ef8 | aliguori | |
1498 | 63a01ef8 | aliguori | static int arp_fd = 0; |
1499 | 63a01ef8 | aliguori | int ip_muxid, arp_muxid;
|
1500 | 63a01ef8 | aliguori | struct strioctl strioc_if, strioc_ppa;
|
1501 | 63a01ef8 | aliguori | int link_type = I_PLINK;;
|
1502 | 63a01ef8 | aliguori | struct lifreq ifr;
|
1503 | 63a01ef8 | aliguori | char actual_name[32] = ""; |
1504 | 63a01ef8 | aliguori | |
1505 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
1506 | 63a01ef8 | aliguori | |
1507 | 63a01ef8 | aliguori | if( *dev ){
|
1508 | 63a01ef8 | aliguori | ptr = dev; |
1509 | 47398b9c | blueswir1 | while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++; |
1510 | 63a01ef8 | aliguori | ppa = atoi(ptr); |
1511 | 63a01ef8 | aliguori | } |
1512 | 63a01ef8 | aliguori | |
1513 | 63a01ef8 | aliguori | /* Check if IP device was opened */
|
1514 | 63a01ef8 | aliguori | if( ip_fd )
|
1515 | 63a01ef8 | aliguori | close(ip_fd); |
1516 | 63a01ef8 | aliguori | |
1517 | 63a01ef8 | aliguori | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
1518 | 63a01ef8 | aliguori | if (ip_fd < 0) { |
1519 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
|
1520 | 63a01ef8 | aliguori | return -1; |
1521 | 63a01ef8 | aliguori | } |
1522 | 63a01ef8 | aliguori | |
1523 | 63a01ef8 | aliguori | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
1524 | 63a01ef8 | aliguori | if (tap_fd < 0) { |
1525 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap");
|
1526 | 63a01ef8 | aliguori | return -1; |
1527 | 63a01ef8 | aliguori | } |
1528 | 63a01ef8 | aliguori | |
1529 | 63a01ef8 | aliguori | /* Assign a new PPA and get its unit number. */
|
1530 | 63a01ef8 | aliguori | strioc_ppa.ic_cmd = TUNNEWPPA; |
1531 | 63a01ef8 | aliguori | strioc_ppa.ic_timout = 0;
|
1532 | 63a01ef8 | aliguori | strioc_ppa.ic_len = sizeof(ppa);
|
1533 | 63a01ef8 | aliguori | strioc_ppa.ic_dp = (char *)&ppa;
|
1534 | 63a01ef8 | aliguori | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
1535 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't assign new interface");
|
1536 | 63a01ef8 | aliguori | |
1537 | 63a01ef8 | aliguori | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
1538 | 63a01ef8 | aliguori | if (if_fd < 0) { |
1539 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap (2)");
|
1540 | 63a01ef8 | aliguori | return -1; |
1541 | 63a01ef8 | aliguori | } |
1542 | 63a01ef8 | aliguori | if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
1543 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't push IP module");
|
1544 | 63a01ef8 | aliguori | return -1; |
1545 | 63a01ef8 | aliguori | } |
1546 | 63a01ef8 | aliguori | |
1547 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
1548 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't get flags\n");
|
1549 | 63a01ef8 | aliguori | |
1550 | 63a01ef8 | aliguori | snprintf (actual_name, 32, "tap%d", ppa); |
1551 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
1552 | 63a01ef8 | aliguori | |
1553 | 63a01ef8 | aliguori | ifr.lifr_ppa = ppa; |
1554 | 63a01ef8 | aliguori | /* Assign ppa according to the unit number returned by tun device */
|
1555 | 63a01ef8 | aliguori | |
1556 | 63a01ef8 | aliguori | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
1557 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set PPA %d", ppa);
|
1558 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
1559 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't get flags\n");
|
1560 | 63a01ef8 | aliguori | /* Push arp module to if_fd */
|
1561 | 63a01ef8 | aliguori | if (ioctl (if_fd, I_PUSH, "arp") < 0) |
1562 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (2)");
|
1563 | 63a01ef8 | aliguori | |
1564 | 63a01ef8 | aliguori | /* Push arp module to ip_fd */
|
1565 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_POP, NULL) < 0) |
1566 | 63a01ef8 | aliguori | syslog (LOG_ERR, "I_POP failed\n");
|
1567 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
1568 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (3)\n");
|
1569 | 63a01ef8 | aliguori | /* Open arp_fd */
|
1570 | 63a01ef8 | aliguori | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
1571 | 63a01ef8 | aliguori | if (arp_fd < 0) |
1572 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
1573 | 63a01ef8 | aliguori | |
1574 | 63a01ef8 | aliguori | /* Set ifname to arp */
|
1575 | 63a01ef8 | aliguori | strioc_if.ic_cmd = SIOCSLIFNAME; |
1576 | 63a01ef8 | aliguori | strioc_if.ic_timout = 0;
|
1577 | 63a01ef8 | aliguori | strioc_if.ic_len = sizeof(ifr);
|
1578 | 63a01ef8 | aliguori | strioc_if.ic_dp = (char *)𝔦
|
1579 | 63a01ef8 | aliguori | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
1580 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set ifname to arp\n");
|
1581 | 63a01ef8 | aliguori | } |
1582 | 63a01ef8 | aliguori | |
1583 | 63a01ef8 | aliguori | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
1584 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't link TAP device to IP");
|
1585 | 63a01ef8 | aliguori | return -1; |
1586 | 63a01ef8 | aliguori | } |
1587 | 63a01ef8 | aliguori | |
1588 | 63a01ef8 | aliguori | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
1589 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't link TAP device to ARP");
|
1590 | 63a01ef8 | aliguori | |
1591 | 63a01ef8 | aliguori | close (if_fd); |
1592 | 63a01ef8 | aliguori | |
1593 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
1594 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
1595 | 63a01ef8 | aliguori | ifr.lifr_ip_muxid = ip_muxid; |
1596 | 63a01ef8 | aliguori | ifr.lifr_arp_muxid = arp_muxid; |
1597 | 63a01ef8 | aliguori | |
1598 | 63a01ef8 | aliguori | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
1599 | 63a01ef8 | aliguori | { |
1600 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK , arp_muxid); |
1601 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK, ip_muxid); |
1602 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set multiplexor id");
|
1603 | 63a01ef8 | aliguori | } |
1604 | 63a01ef8 | aliguori | |
1605 | 63a01ef8 | aliguori | snprintf(dev, dev_size, "tap%d", ppa);
|
1606 | 63a01ef8 | aliguori | return tap_fd;
|
1607 | 63a01ef8 | aliguori | } |
1608 | 63a01ef8 | aliguori | |
1609 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
1610 | 63a01ef8 | aliguori | { |
1611 | 63a01ef8 | aliguori | char dev[10]=""; |
1612 | 63a01ef8 | aliguori | int fd;
|
1613 | 63a01ef8 | aliguori | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ |
1614 | 63a01ef8 | aliguori | fprintf(stderr, "Cannot allocate TAP device\n");
|
1615 | 63a01ef8 | aliguori | return -1; |
1616 | 63a01ef8 | aliguori | } |
1617 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
1618 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1619 | 63a01ef8 | aliguori | return fd;
|
1620 | 63a01ef8 | aliguori | } |
1621 | b29fe3ed | malc | #elif defined (_AIX)
|
1622 | b29fe3ed | malc | static int tap_open(char *ifname, int ifname_size) |
1623 | b29fe3ed | malc | { |
1624 | b29fe3ed | malc | fprintf (stderr, "no tap on AIX\n");
|
1625 | b29fe3ed | malc | return -1; |
1626 | b29fe3ed | malc | } |
1627 | 63a01ef8 | aliguori | #else
|
1628 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
1629 | 63a01ef8 | aliguori | { |
1630 | 63a01ef8 | aliguori | struct ifreq ifr;
|
1631 | 63a01ef8 | aliguori | int fd, ret;
|
1632 | 63a01ef8 | aliguori | |
1633 | 63a01ef8 | aliguori | TFR(fd = open("/dev/net/tun", O_RDWR));
|
1634 | 63a01ef8 | aliguori | if (fd < 0) { |
1635 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
1636 | 63a01ef8 | aliguori | return -1; |
1637 | 63a01ef8 | aliguori | } |
1638 | 63a01ef8 | aliguori | memset(&ifr, 0, sizeof(ifr)); |
1639 | 63a01ef8 | aliguori | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
1640 | 63a01ef8 | aliguori | if (ifname[0] != '\0') |
1641 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
1642 | 63a01ef8 | aliguori | else
|
1643 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
1644 | 63a01ef8 | aliguori | ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
1645 | 63a01ef8 | aliguori | if (ret != 0) { |
1646 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
1647 | 63a01ef8 | aliguori | close(fd); |
1648 | 63a01ef8 | aliguori | return -1; |
1649 | 63a01ef8 | aliguori | } |
1650 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
1651 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1652 | 63a01ef8 | aliguori | return fd;
|
1653 | 63a01ef8 | aliguori | } |
1654 | 63a01ef8 | aliguori | #endif
|
1655 | 63a01ef8 | aliguori | |
1656 | 63a01ef8 | aliguori | static int launch_script(const char *setup_script, const char *ifname, int fd) |
1657 | 63a01ef8 | aliguori | { |
1658 | 7c3370d4 | Jan Kiszka | sigset_t oldmask, mask; |
1659 | 63a01ef8 | aliguori | int pid, status;
|
1660 | 63a01ef8 | aliguori | char *args[3]; |
1661 | 63a01ef8 | aliguori | char **parg;
|
1662 | 63a01ef8 | aliguori | |
1663 | 7c3370d4 | Jan Kiszka | sigemptyset(&mask); |
1664 | 7c3370d4 | Jan Kiszka | sigaddset(&mask, SIGCHLD); |
1665 | 7c3370d4 | Jan Kiszka | sigprocmask(SIG_BLOCK, &mask, &oldmask); |
1666 | 7c3370d4 | Jan Kiszka | |
1667 | 7c3370d4 | Jan Kiszka | /* try to launch network script */
|
1668 | 7c3370d4 | Jan Kiszka | pid = fork(); |
1669 | 7c3370d4 | Jan Kiszka | if (pid == 0) { |
1670 | 7c3370d4 | Jan Kiszka | int open_max = sysconf(_SC_OPEN_MAX), i;
|
1671 | 7c3370d4 | Jan Kiszka | |
1672 | 7c3370d4 | Jan Kiszka | for (i = 0; i < open_max; i++) { |
1673 | 7c3370d4 | Jan Kiszka | if (i != STDIN_FILENO &&
|
1674 | 7c3370d4 | Jan Kiszka | i != STDOUT_FILENO && |
1675 | 7c3370d4 | Jan Kiszka | i != STDERR_FILENO && |
1676 | 7c3370d4 | Jan Kiszka | i != fd) { |
1677 | 7c3370d4 | Jan Kiszka | close(i); |
1678 | 63a01ef8 | aliguori | } |
1679 | 63a01ef8 | aliguori | } |
1680 | 7c3370d4 | Jan Kiszka | parg = args; |
1681 | 7c3370d4 | Jan Kiszka | *parg++ = (char *)setup_script;
|
1682 | 7c3370d4 | Jan Kiszka | *parg++ = (char *)ifname;
|
1683 | 7c3370d4 | Jan Kiszka | *parg++ = NULL;
|
1684 | 7c3370d4 | Jan Kiszka | execv(setup_script, args); |
1685 | 7c3370d4 | Jan Kiszka | _exit(1);
|
1686 | 7c3370d4 | Jan Kiszka | } else if (pid > 0) { |
1687 | 7c3370d4 | Jan Kiszka | while (waitpid(pid, &status, 0) != pid) { |
1688 | 7c3370d4 | Jan Kiszka | /* loop */
|
1689 | 7c3370d4 | Jan Kiszka | } |
1690 | 7c3370d4 | Jan Kiszka | sigprocmask(SIG_SETMASK, &oldmask, NULL);
|
1691 | 7c3370d4 | Jan Kiszka | |
1692 | 7c3370d4 | Jan Kiszka | if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { |
1693 | 7c3370d4 | Jan Kiszka | return 0; |
1694 | 7c3370d4 | Jan Kiszka | } |
1695 | 7c3370d4 | Jan Kiszka | } |
1696 | 7c3370d4 | Jan Kiszka | fprintf(stderr, "%s: could not launch network script\n", setup_script);
|
1697 | 7c3370d4 | Jan Kiszka | return -1; |
1698 | 63a01ef8 | aliguori | } |
1699 | 63a01ef8 | aliguori | |
1700 | 4a77b25e | Mark McLoughlin | static TAPState *net_tap_init(VLANState *vlan, const char *model, |
1701 | 4a77b25e | Mark McLoughlin | const char *name, const char *ifname1, |
1702 | 4a77b25e | Mark McLoughlin | const char *setup_script, const char *down_script) |
1703 | 63a01ef8 | aliguori | { |
1704 | 63a01ef8 | aliguori | TAPState *s; |
1705 | 63a01ef8 | aliguori | int fd;
|
1706 | 63a01ef8 | aliguori | char ifname[128]; |
1707 | 63a01ef8 | aliguori | |
1708 | 63a01ef8 | aliguori | if (ifname1 != NULL) |
1709 | 63a01ef8 | aliguori | pstrcpy(ifname, sizeof(ifname), ifname1);
|
1710 | 63a01ef8 | aliguori | else
|
1711 | 63a01ef8 | aliguori | ifname[0] = '\0'; |
1712 | 63a01ef8 | aliguori | TFR(fd = tap_open(ifname, sizeof(ifname)));
|
1713 | 63a01ef8 | aliguori | if (fd < 0) |
1714 | 4a77b25e | Mark McLoughlin | return NULL; |
1715 | 63a01ef8 | aliguori | |
1716 | 63a01ef8 | aliguori | if (!setup_script || !strcmp(setup_script, "no")) |
1717 | 63a01ef8 | aliguori | setup_script = "";
|
1718 | 4a77b25e | Mark McLoughlin | if (setup_script[0] != '\0' && |
1719 | 4a77b25e | Mark McLoughlin | launch_script(setup_script, ifname, fd)) { |
1720 | 4a77b25e | Mark McLoughlin | return NULL; |
1721 | 63a01ef8 | aliguori | } |
1722 | 7a9f6e4a | aliguori | s = net_tap_fd_init(vlan, model, name, fd); |
1723 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
1724 | 7cb7434b | aliguori | "ifname=%s,script=%s,downscript=%s",
|
1725 | 7cb7434b | aliguori | ifname, setup_script, down_script); |
1726 | 973cbd37 | aliguori | if (down_script && strcmp(down_script, "no")) { |
1727 | 63a01ef8 | aliguori | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
1728 | 973cbd37 | aliguori | snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname); |
1729 | 973cbd37 | aliguori | } |
1730 | 4a77b25e | Mark McLoughlin | return s;
|
1731 | 63a01ef8 | aliguori | } |
1732 | 63a01ef8 | aliguori | |
1733 | 63a01ef8 | aliguori | #endif /* !_WIN32 */ |
1734 | 63a01ef8 | aliguori | |
1735 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
|
1736 | 63a01ef8 | aliguori | typedef struct VDEState { |
1737 | 63a01ef8 | aliguori | VLANClientState *vc; |
1738 | 63a01ef8 | aliguori | VDECONN *vde; |
1739 | 63a01ef8 | aliguori | } VDEState; |
1740 | 63a01ef8 | aliguori | |
1741 | 63a01ef8 | aliguori | static void vde_to_qemu(void *opaque) |
1742 | 63a01ef8 | aliguori | { |
1743 | 63a01ef8 | aliguori | VDEState *s = opaque; |
1744 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
1745 | 63a01ef8 | aliguori | int size;
|
1746 | 63a01ef8 | aliguori | |
1747 | cc63bb0f | Paul Brook | size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0); |
1748 | 63a01ef8 | aliguori | if (size > 0) { |
1749 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, buf, size); |
1750 | 63a01ef8 | aliguori | } |
1751 | 63a01ef8 | aliguori | } |
1752 | 63a01ef8 | aliguori | |
1753 | 4f1c942b | Mark McLoughlin | static ssize_t vde_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1754 | 63a01ef8 | aliguori | { |
1755 | e3f5ec2b | Mark McLoughlin | VDEState *s = vc->opaque; |
1756 | 068daedd | Anthony Liguori | ssize_t ret; |
1757 | 4f1c942b | Mark McLoughlin | |
1758 | 4f1c942b | Mark McLoughlin | do {
|
1759 | 4f1c942b | Mark McLoughlin | ret = vde_send(s->vde, (const char *)buf, size, 0); |
1760 | 4f1c942b | Mark McLoughlin | } while (ret < 0 && errno == EINTR); |
1761 | 4f1c942b | Mark McLoughlin | |
1762 | 4f1c942b | Mark McLoughlin | return ret;
|
1763 | 63a01ef8 | aliguori | } |
1764 | 63a01ef8 | aliguori | |
1765 | b946a153 | aliguori | static void vde_cleanup(VLANClientState *vc) |
1766 | b946a153 | aliguori | { |
1767 | b946a153 | aliguori | VDEState *s = vc->opaque; |
1768 | b946a153 | aliguori | qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL); |
1769 | b946a153 | aliguori | vde_close(s->vde); |
1770 | b946a153 | aliguori | qemu_free(s); |
1771 | b946a153 | aliguori | } |
1772 | b946a153 | aliguori | |
1773 | 7a9f6e4a | aliguori | static int net_vde_init(VLANState *vlan, const char *model, |
1774 | 7a9f6e4a | aliguori | const char *name, const char *sock, |
1775 | bf38c1a0 | aliguori | int port, const char *group, int mode) |
1776 | 63a01ef8 | aliguori | { |
1777 | 63a01ef8 | aliguori | VDEState *s; |
1778 | 63a01ef8 | aliguori | char *init_group = strlen(group) ? (char *)group : NULL; |
1779 | 63a01ef8 | aliguori | char *init_sock = strlen(sock) ? (char *)sock : NULL; |
1780 | 63a01ef8 | aliguori | |
1781 | 63a01ef8 | aliguori | struct vde_open_args args = {
|
1782 | 63a01ef8 | aliguori | .port = port, |
1783 | 63a01ef8 | aliguori | .group = init_group, |
1784 | 63a01ef8 | aliguori | .mode = mode, |
1785 | 63a01ef8 | aliguori | }; |
1786 | 63a01ef8 | aliguori | |
1787 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(VDEState));
|
1788 | cc63bb0f | Paul Brook | s->vde = vde_open(init_sock, (char *)"QEMU", &args); |
1789 | 63a01ef8 | aliguori | if (!s->vde){
|
1790 | 63a01ef8 | aliguori | free(s); |
1791 | 63a01ef8 | aliguori | return -1; |
1792 | 63a01ef8 | aliguori | } |
1793 | e3f5ec2b | Mark McLoughlin | s->vc = qemu_new_vlan_client(vlan, model, name, NULL, vde_receive,
|
1794 | b946a153 | aliguori | NULL, vde_cleanup, s);
|
1795 | 63a01ef8 | aliguori | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
|
1796 | 7cb7434b | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d", |
1797 | 63a01ef8 | aliguori | sock, vde_datafd(s->vde)); |
1798 | 63a01ef8 | aliguori | return 0; |
1799 | 63a01ef8 | aliguori | } |
1800 | 63a01ef8 | aliguori | #endif
|
1801 | 63a01ef8 | aliguori | |
1802 | 63a01ef8 | aliguori | /* network connection */
|
1803 | 63a01ef8 | aliguori | typedef struct NetSocketState { |
1804 | 63a01ef8 | aliguori | VLANClientState *vc; |
1805 | 63a01ef8 | aliguori | int fd;
|
1806 | 63a01ef8 | aliguori | int state; /* 0 = getting length, 1 = getting data */ |
1807 | abcd2baa | aliguori | unsigned int index; |
1808 | abcd2baa | aliguori | unsigned int packet_len; |
1809 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
1810 | 63a01ef8 | aliguori | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
1811 | 63a01ef8 | aliguori | } NetSocketState; |
1812 | 63a01ef8 | aliguori | |
1813 | 63a01ef8 | aliguori | typedef struct NetSocketListenState { |
1814 | 63a01ef8 | aliguori | VLANState *vlan; |
1815 | bf38c1a0 | aliguori | char *model;
|
1816 | 7a9f6e4a | aliguori | char *name;
|
1817 | 63a01ef8 | aliguori | int fd;
|
1818 | 63a01ef8 | aliguori | } NetSocketListenState; |
1819 | 63a01ef8 | aliguori | |
1820 | 63a01ef8 | aliguori | /* XXX: we consider we can send the whole packet without blocking */
|
1821 | 4f1c942b | Mark McLoughlin | static ssize_t net_socket_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1822 | 63a01ef8 | aliguori | { |
1823 | e3f5ec2b | Mark McLoughlin | NetSocketState *s = vc->opaque; |
1824 | 63a01ef8 | aliguori | uint32_t len; |
1825 | 63a01ef8 | aliguori | len = htonl(size); |
1826 | 63a01ef8 | aliguori | |
1827 | 63a01ef8 | aliguori | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
1828 | 4f1c942b | Mark McLoughlin | return send_all(s->fd, buf, size);
|
1829 | 63a01ef8 | aliguori | } |
1830 | 63a01ef8 | aliguori | |
1831 | 4f1c942b | Mark McLoughlin | static ssize_t net_socket_receive_dgram(VLANClientState *vc, const uint8_t *buf, size_t size) |
1832 | 63a01ef8 | aliguori | { |
1833 | e3f5ec2b | Mark McLoughlin | NetSocketState *s = vc->opaque; |
1834 | 4f1c942b | Mark McLoughlin | |
1835 | 70503264 | Stefan Weil | return sendto(s->fd, (const void *)buf, size, 0, |
1836 | 4f1c942b | Mark McLoughlin | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
1837 | 63a01ef8 | aliguori | } |
1838 | 63a01ef8 | aliguori | |
1839 | 63a01ef8 | aliguori | static void net_socket_send(void *opaque) |
1840 | 63a01ef8 | aliguori | { |
1841 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1842 | abcd2baa | aliguori | int size, err;
|
1843 | abcd2baa | aliguori | unsigned l;
|
1844 | 63a01ef8 | aliguori | uint8_t buf1[4096];
|
1845 | 63a01ef8 | aliguori | const uint8_t *buf;
|
1846 | 63a01ef8 | aliguori | |
1847 | c5b76b38 | Blue Swirl | size = recv(s->fd, (void *)buf1, sizeof(buf1), 0); |
1848 | 63a01ef8 | aliguori | if (size < 0) { |
1849 | 63a01ef8 | aliguori | err = socket_error(); |
1850 | 63a01ef8 | aliguori | if (err != EWOULDBLOCK)
|
1851 | 63a01ef8 | aliguori | goto eoc;
|
1852 | 63a01ef8 | aliguori | } else if (size == 0) { |
1853 | 63a01ef8 | aliguori | /* end of connection */
|
1854 | 63a01ef8 | aliguori | eoc:
|
1855 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1856 | 63a01ef8 | aliguori | closesocket(s->fd); |
1857 | 63a01ef8 | aliguori | return;
|
1858 | 63a01ef8 | aliguori | } |
1859 | 63a01ef8 | aliguori | buf = buf1; |
1860 | 63a01ef8 | aliguori | while (size > 0) { |
1861 | 63a01ef8 | aliguori | /* reassemble a packet from the network */
|
1862 | 63a01ef8 | aliguori | switch(s->state) {
|
1863 | 63a01ef8 | aliguori | case 0: |
1864 | 63a01ef8 | aliguori | l = 4 - s->index;
|
1865 | 63a01ef8 | aliguori | if (l > size)
|
1866 | 63a01ef8 | aliguori | l = size; |
1867 | 63a01ef8 | aliguori | memcpy(s->buf + s->index, buf, l); |
1868 | 63a01ef8 | aliguori | buf += l; |
1869 | 63a01ef8 | aliguori | size -= l; |
1870 | 63a01ef8 | aliguori | s->index += l; |
1871 | 63a01ef8 | aliguori | if (s->index == 4) { |
1872 | 63a01ef8 | aliguori | /* got length */
|
1873 | 63a01ef8 | aliguori | s->packet_len = ntohl(*(uint32_t *)s->buf); |
1874 | 63a01ef8 | aliguori | s->index = 0;
|
1875 | 63a01ef8 | aliguori | s->state = 1;
|
1876 | 63a01ef8 | aliguori | } |
1877 | 63a01ef8 | aliguori | break;
|
1878 | 63a01ef8 | aliguori | case 1: |
1879 | 63a01ef8 | aliguori | l = s->packet_len - s->index; |
1880 | 63a01ef8 | aliguori | if (l > size)
|
1881 | 63a01ef8 | aliguori | l = size; |
1882 | abcd2baa | aliguori | if (s->index + l <= sizeof(s->buf)) { |
1883 | abcd2baa | aliguori | memcpy(s->buf + s->index, buf, l); |
1884 | abcd2baa | aliguori | } else {
|
1885 | abcd2baa | aliguori | fprintf(stderr, "serious error: oversized packet received,"
|
1886 | abcd2baa | aliguori | "connection terminated.\n");
|
1887 | abcd2baa | aliguori | s->state = 0;
|
1888 | abcd2baa | aliguori | goto eoc;
|
1889 | abcd2baa | aliguori | } |
1890 | abcd2baa | aliguori | |
1891 | 63a01ef8 | aliguori | s->index += l; |
1892 | 63a01ef8 | aliguori | buf += l; |
1893 | 63a01ef8 | aliguori | size -= l; |
1894 | 63a01ef8 | aliguori | if (s->index >= s->packet_len) {
|
1895 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, s->packet_len); |
1896 | 63a01ef8 | aliguori | s->index = 0;
|
1897 | 63a01ef8 | aliguori | s->state = 0;
|
1898 | 63a01ef8 | aliguori | } |
1899 | 63a01ef8 | aliguori | break;
|
1900 | 63a01ef8 | aliguori | } |
1901 | 63a01ef8 | aliguori | } |
1902 | 63a01ef8 | aliguori | } |
1903 | 63a01ef8 | aliguori | |
1904 | 63a01ef8 | aliguori | static void net_socket_send_dgram(void *opaque) |
1905 | 63a01ef8 | aliguori | { |
1906 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1907 | 63a01ef8 | aliguori | int size;
|
1908 | 63a01ef8 | aliguori | |
1909 | c5b76b38 | Blue Swirl | size = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
1910 | 63a01ef8 | aliguori | if (size < 0) |
1911 | 63a01ef8 | aliguori | return;
|
1912 | 63a01ef8 | aliguori | if (size == 0) { |
1913 | 63a01ef8 | aliguori | /* end of connection */
|
1914 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1915 | 63a01ef8 | aliguori | return;
|
1916 | 63a01ef8 | aliguori | } |
1917 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, size); |
1918 | 63a01ef8 | aliguori | } |
1919 | 63a01ef8 | aliguori | |
1920 | 63a01ef8 | aliguori | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
1921 | 63a01ef8 | aliguori | { |
1922 | 63a01ef8 | aliguori | struct ip_mreq imr;
|
1923 | 63a01ef8 | aliguori | int fd;
|
1924 | 63a01ef8 | aliguori | int val, ret;
|
1925 | 63a01ef8 | aliguori | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
1926 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
1927 | 63a01ef8 | aliguori | inet_ntoa(mcastaddr->sin_addr), |
1928 | 63a01ef8 | aliguori | (int)ntohl(mcastaddr->sin_addr.s_addr));
|
1929 | 63a01ef8 | aliguori | return -1; |
1930 | 63a01ef8 | aliguori | |
1931 | 63a01ef8 | aliguori | } |
1932 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_DGRAM, 0);
|
1933 | 63a01ef8 | aliguori | if (fd < 0) { |
1934 | 63a01ef8 | aliguori | perror("socket(PF_INET, SOCK_DGRAM)");
|
1935 | 63a01ef8 | aliguori | return -1; |
1936 | 63a01ef8 | aliguori | } |
1937 | 63a01ef8 | aliguori | |
1938 | 63a01ef8 | aliguori | val = 1;
|
1939 | 63a01ef8 | aliguori | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
1940 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
1941 | 63a01ef8 | aliguori | if (ret < 0) { |
1942 | 63a01ef8 | aliguori | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
1943 | 63a01ef8 | aliguori | goto fail;
|
1944 | 63a01ef8 | aliguori | } |
1945 | 63a01ef8 | aliguori | |
1946 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
1947 | 63a01ef8 | aliguori | if (ret < 0) { |
1948 | 63a01ef8 | aliguori | perror("bind");
|
1949 | 63a01ef8 | aliguori | goto fail;
|
1950 | 63a01ef8 | aliguori | } |
1951 | 63a01ef8 | aliguori | |
1952 | 63a01ef8 | aliguori | /* Add host to multicast group */
|
1953 | 63a01ef8 | aliguori | imr.imr_multiaddr = mcastaddr->sin_addr; |
1954 | 63a01ef8 | aliguori | imr.imr_interface.s_addr = htonl(INADDR_ANY); |
1955 | 63a01ef8 | aliguori | |
1956 | 63a01ef8 | aliguori | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
1957 | 63a01ef8 | aliguori | (const char *)&imr, sizeof(struct ip_mreq)); |
1958 | 63a01ef8 | aliguori | if (ret < 0) { |
1959 | 63a01ef8 | aliguori | perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
1960 | 63a01ef8 | aliguori | goto fail;
|
1961 | 63a01ef8 | aliguori | } |
1962 | 63a01ef8 | aliguori | |
1963 | 63a01ef8 | aliguori | /* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
1964 | 63a01ef8 | aliguori | val = 1;
|
1965 | 63a01ef8 | aliguori | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
1966 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
1967 | 63a01ef8 | aliguori | if (ret < 0) { |
1968 | 63a01ef8 | aliguori | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
1969 | 63a01ef8 | aliguori | goto fail;
|
1970 | 63a01ef8 | aliguori | } |
1971 | 63a01ef8 | aliguori | |
1972 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
1973 | 63a01ef8 | aliguori | return fd;
|
1974 | 63a01ef8 | aliguori | fail:
|
1975 | 63a01ef8 | aliguori | if (fd >= 0) |
1976 | 63a01ef8 | aliguori | closesocket(fd); |
1977 | 63a01ef8 | aliguori | return -1; |
1978 | 63a01ef8 | aliguori | } |
1979 | 63a01ef8 | aliguori | |
1980 | b946a153 | aliguori | static void net_socket_cleanup(VLANClientState *vc) |
1981 | b946a153 | aliguori | { |
1982 | b946a153 | aliguori | NetSocketState *s = vc->opaque; |
1983 | b946a153 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1984 | b946a153 | aliguori | close(s->fd); |
1985 | b946a153 | aliguori | qemu_free(s); |
1986 | b946a153 | aliguori | } |
1987 | b946a153 | aliguori | |
1988 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
|
1989 | 7a9f6e4a | aliguori | const char *model, |
1990 | 7a9f6e4a | aliguori | const char *name, |
1991 | bf38c1a0 | aliguori | int fd, int is_connected) |
1992 | 63a01ef8 | aliguori | { |
1993 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1994 | 63a01ef8 | aliguori | int newfd;
|
1995 | 63a01ef8 | aliguori | socklen_t saddr_len; |
1996 | 63a01ef8 | aliguori | NetSocketState *s; |
1997 | 63a01ef8 | aliguori | |
1998 | 63a01ef8 | aliguori | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
1999 | 63a01ef8 | aliguori | * Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
2000 | 63a01ef8 | aliguori | * by ONLY ONE process: we must "clone" this dgram socket --jjo
|
2001 | 63a01ef8 | aliguori | */
|
2002 | 63a01ef8 | aliguori | |
2003 | 63a01ef8 | aliguori | if (is_connected) {
|
2004 | 63a01ef8 | aliguori | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
2005 | 63a01ef8 | aliguori | /* must be bound */
|
2006 | 63a01ef8 | aliguori | if (saddr.sin_addr.s_addr==0) { |
2007 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
2008 | 63a01ef8 | aliguori | fd); |
2009 | 63a01ef8 | aliguori | return NULL; |
2010 | 63a01ef8 | aliguori | } |
2011 | 63a01ef8 | aliguori | /* clone dgram socket */
|
2012 | 63a01ef8 | aliguori | newfd = net_socket_mcast_create(&saddr); |
2013 | 63a01ef8 | aliguori | if (newfd < 0) { |
2014 | 63a01ef8 | aliguori | /* error already reported by net_socket_mcast_create() */
|
2015 | 63a01ef8 | aliguori | close(fd); |
2016 | 63a01ef8 | aliguori | return NULL; |
2017 | 63a01ef8 | aliguori | } |
2018 | 63a01ef8 | aliguori | /* clone newfd to fd, close newfd */
|
2019 | 63a01ef8 | aliguori | dup2(newfd, fd); |
2020 | 63a01ef8 | aliguori | close(newfd); |
2021 | 63a01ef8 | aliguori | |
2022 | 63a01ef8 | aliguori | } else {
|
2023 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
2024 | 63a01ef8 | aliguori | fd, strerror(errno)); |
2025 | 63a01ef8 | aliguori | return NULL; |
2026 | 63a01ef8 | aliguori | } |
2027 | 63a01ef8 | aliguori | } |
2028 | 63a01ef8 | aliguori | |
2029 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
2030 | 63a01ef8 | aliguori | s->fd = fd; |
2031 | 63a01ef8 | aliguori | |
2032 | 463af534 | Mark McLoughlin | s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive_dgram,
|
2033 | b946a153 | aliguori | NULL, net_socket_cleanup, s);
|
2034 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
2035 | 63a01ef8 | aliguori | |
2036 | 63a01ef8 | aliguori | /* mcast: save bound address as dst */
|
2037 | 63a01ef8 | aliguori | if (is_connected) s->dgram_dst=saddr;
|
2038 | 63a01ef8 | aliguori | |
2039 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2040 | 63a01ef8 | aliguori | "socket: fd=%d (%s mcast=%s:%d)",
|
2041 | 63a01ef8 | aliguori | fd, is_connected? "cloned" : "", |
2042 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2043 | 63a01ef8 | aliguori | return s;
|
2044 | 63a01ef8 | aliguori | } |
2045 | 63a01ef8 | aliguori | |
2046 | 63a01ef8 | aliguori | static void net_socket_connect(void *opaque) |
2047 | 63a01ef8 | aliguori | { |
2048 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
2049 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
2050 | 63a01ef8 | aliguori | } |
2051 | 63a01ef8 | aliguori | |
2052 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
|
2053 | 7a9f6e4a | aliguori | const char *model, |
2054 | 7a9f6e4a | aliguori | const char *name, |
2055 | bf38c1a0 | aliguori | int fd, int is_connected) |
2056 | 63a01ef8 | aliguori | { |
2057 | 63a01ef8 | aliguori | NetSocketState *s; |
2058 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
2059 | 63a01ef8 | aliguori | s->fd = fd; |
2060 | 463af534 | Mark McLoughlin | s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive,
|
2061 | b946a153 | aliguori | NULL, net_socket_cleanup, s);
|
2062 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2063 | 63a01ef8 | aliguori | "socket: fd=%d", fd);
|
2064 | 63a01ef8 | aliguori | if (is_connected) {
|
2065 | 63a01ef8 | aliguori | net_socket_connect(s); |
2066 | 63a01ef8 | aliguori | } else {
|
2067 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
2068 | 63a01ef8 | aliguori | } |
2069 | 63a01ef8 | aliguori | return s;
|
2070 | 63a01ef8 | aliguori | } |
2071 | 63a01ef8 | aliguori | |
2072 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init(VLANState *vlan,
|
2073 | 7a9f6e4a | aliguori | const char *model, const char *name, |
2074 | bf38c1a0 | aliguori | int fd, int is_connected) |
2075 | 63a01ef8 | aliguori | { |
2076 | 63a01ef8 | aliguori | int so_type=-1, optlen=sizeof(so_type); |
2077 | 63a01ef8 | aliguori | |
2078 | 63a01ef8 | aliguori | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
2079 | 63a01ef8 | aliguori | (socklen_t *)&optlen)< 0) {
|
2080 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
2081 | 63a01ef8 | aliguori | return NULL; |
2082 | 63a01ef8 | aliguori | } |
2083 | 63a01ef8 | aliguori | switch(so_type) {
|
2084 | 63a01ef8 | aliguori | case SOCK_DGRAM:
|
2085 | 7a9f6e4a | aliguori | return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected);
|
2086 | 63a01ef8 | aliguori | case SOCK_STREAM:
|
2087 | 7a9f6e4a | aliguori | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
|
2088 | 63a01ef8 | aliguori | default:
|
2089 | 63a01ef8 | aliguori | /* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
2090 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
2091 | 7a9f6e4a | aliguori | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
|
2092 | 63a01ef8 | aliguori | } |
2093 | 63a01ef8 | aliguori | return NULL; |
2094 | 63a01ef8 | aliguori | } |
2095 | 63a01ef8 | aliguori | |
2096 | 63a01ef8 | aliguori | static void net_socket_accept(void *opaque) |
2097 | 63a01ef8 | aliguori | { |
2098 | 63a01ef8 | aliguori | NetSocketListenState *s = opaque; |
2099 | 63a01ef8 | aliguori | NetSocketState *s1; |
2100 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2101 | 63a01ef8 | aliguori | socklen_t len; |
2102 | 63a01ef8 | aliguori | int fd;
|
2103 | 63a01ef8 | aliguori | |
2104 | 63a01ef8 | aliguori | for(;;) {
|
2105 | 63a01ef8 | aliguori | len = sizeof(saddr);
|
2106 | 63a01ef8 | aliguori | fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
2107 | 63a01ef8 | aliguori | if (fd < 0 && errno != EINTR) { |
2108 | 63a01ef8 | aliguori | return;
|
2109 | 63a01ef8 | aliguori | } else if (fd >= 0) { |
2110 | 63a01ef8 | aliguori | break;
|
2111 | 63a01ef8 | aliguori | } |
2112 | 63a01ef8 | aliguori | } |
2113 | 7a9f6e4a | aliguori | s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1);
|
2114 | 63a01ef8 | aliguori | if (!s1) {
|
2115 | 63a01ef8 | aliguori | closesocket(fd); |
2116 | 63a01ef8 | aliguori | } else {
|
2117 | 63a01ef8 | aliguori | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
2118 | 63a01ef8 | aliguori | "socket: connection from %s:%d",
|
2119 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2120 | 63a01ef8 | aliguori | } |
2121 | 63a01ef8 | aliguori | } |
2122 | 63a01ef8 | aliguori | |
2123 | 7a9f6e4a | aliguori | static int net_socket_listen_init(VLANState *vlan, |
2124 | 7a9f6e4a | aliguori | const char *model, |
2125 | 7a9f6e4a | aliguori | const char *name, |
2126 | bf38c1a0 | aliguori | const char *host_str) |
2127 | 63a01ef8 | aliguori | { |
2128 | 63a01ef8 | aliguori | NetSocketListenState *s; |
2129 | 63a01ef8 | aliguori | int fd, val, ret;
|
2130 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2131 | 63a01ef8 | aliguori | |
2132 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2133 | 63a01ef8 | aliguori | return -1; |
2134 | 63a01ef8 | aliguori | |
2135 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketListenState));
|
2136 | 63a01ef8 | aliguori | |
2137 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
2138 | 63a01ef8 | aliguori | if (fd < 0) { |
2139 | 63a01ef8 | aliguori | perror("socket");
|
2140 | 63a01ef8 | aliguori | return -1; |
2141 | 63a01ef8 | aliguori | } |
2142 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
2143 | 63a01ef8 | aliguori | |
2144 | 63a01ef8 | aliguori | /* allow fast reuse */
|
2145 | 63a01ef8 | aliguori | val = 1;
|
2146 | 63a01ef8 | aliguori | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
2147 | 63a01ef8 | aliguori | |
2148 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2149 | 63a01ef8 | aliguori | if (ret < 0) { |
2150 | 63a01ef8 | aliguori | perror("bind");
|
2151 | 63a01ef8 | aliguori | return -1; |
2152 | 63a01ef8 | aliguori | } |
2153 | 63a01ef8 | aliguori | ret = listen(fd, 0);
|
2154 | 63a01ef8 | aliguori | if (ret < 0) { |
2155 | 63a01ef8 | aliguori | perror("listen");
|
2156 | 63a01ef8 | aliguori | return -1; |
2157 | 63a01ef8 | aliguori | } |
2158 | 63a01ef8 | aliguori | s->vlan = vlan; |
2159 | bf38c1a0 | aliguori | s->model = strdup(model); |
2160 | ea053add | aliguori | s->name = name ? strdup(name) : NULL;
|
2161 | 63a01ef8 | aliguori | s->fd = fd; |
2162 | 63a01ef8 | aliguori | qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
2163 | 63a01ef8 | aliguori | return 0; |
2164 | 63a01ef8 | aliguori | } |
2165 | 63a01ef8 | aliguori | |
2166 | 7a9f6e4a | aliguori | static int net_socket_connect_init(VLANState *vlan, |
2167 | 7a9f6e4a | aliguori | const char *model, |
2168 | 7a9f6e4a | aliguori | const char *name, |
2169 | bf38c1a0 | aliguori | const char *host_str) |
2170 | 63a01ef8 | aliguori | { |
2171 | 63a01ef8 | aliguori | NetSocketState *s; |
2172 | 63a01ef8 | aliguori | int fd, connected, ret, err;
|
2173 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2174 | 63a01ef8 | aliguori | |
2175 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2176 | 63a01ef8 | aliguori | return -1; |
2177 | 63a01ef8 | aliguori | |
2178 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
2179 | 63a01ef8 | aliguori | if (fd < 0) { |
2180 | 63a01ef8 | aliguori | perror("socket");
|
2181 | 63a01ef8 | aliguori | return -1; |
2182 | 63a01ef8 | aliguori | } |
2183 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
2184 | 63a01ef8 | aliguori | |
2185 | 63a01ef8 | aliguori | connected = 0;
|
2186 | 63a01ef8 | aliguori | for(;;) {
|
2187 | 63a01ef8 | aliguori | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2188 | 63a01ef8 | aliguori | if (ret < 0) { |
2189 | 63a01ef8 | aliguori | err = socket_error(); |
2190 | 63a01ef8 | aliguori | if (err == EINTR || err == EWOULDBLOCK) {
|
2191 | 63a01ef8 | aliguori | } else if (err == EINPROGRESS) { |
2192 | 63a01ef8 | aliguori | break;
|
2193 | 63a01ef8 | aliguori | #ifdef _WIN32
|
2194 | 63a01ef8 | aliguori | } else if (err == WSAEALREADY) { |
2195 | 63a01ef8 | aliguori | break;
|
2196 | 63a01ef8 | aliguori | #endif
|
2197 | 63a01ef8 | aliguori | } else {
|
2198 | 63a01ef8 | aliguori | perror("connect");
|
2199 | 63a01ef8 | aliguori | closesocket(fd); |
2200 | 63a01ef8 | aliguori | return -1; |
2201 | 63a01ef8 | aliguori | } |
2202 | 63a01ef8 | aliguori | } else {
|
2203 | 63a01ef8 | aliguori | connected = 1;
|
2204 | 63a01ef8 | aliguori | break;
|
2205 | 63a01ef8 | aliguori | } |
2206 | 63a01ef8 | aliguori | } |
2207 | 7a9f6e4a | aliguori | s = net_socket_fd_init(vlan, model, name, fd, connected); |
2208 | 63a01ef8 | aliguori | if (!s)
|
2209 | 63a01ef8 | aliguori | return -1; |
2210 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2211 | 63a01ef8 | aliguori | "socket: connect to %s:%d",
|
2212 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2213 | 63a01ef8 | aliguori | return 0; |
2214 | 63a01ef8 | aliguori | } |
2215 | 63a01ef8 | aliguori | |
2216 | 7a9f6e4a | aliguori | static int net_socket_mcast_init(VLANState *vlan, |
2217 | 7a9f6e4a | aliguori | const char *model, |
2218 | 7a9f6e4a | aliguori | const char *name, |
2219 | bf38c1a0 | aliguori | const char *host_str) |
2220 | 63a01ef8 | aliguori | { |
2221 | 63a01ef8 | aliguori | NetSocketState *s; |
2222 | 63a01ef8 | aliguori | int fd;
|
2223 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2224 | 63a01ef8 | aliguori | |
2225 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2226 | 63a01ef8 | aliguori | return -1; |
2227 | 63a01ef8 | aliguori | |
2228 | 63a01ef8 | aliguori | |
2229 | 63a01ef8 | aliguori | fd = net_socket_mcast_create(&saddr); |
2230 | 63a01ef8 | aliguori | if (fd < 0) |
2231 | 63a01ef8 | aliguori | return -1; |
2232 | 63a01ef8 | aliguori | |
2233 | 7a9f6e4a | aliguori | s = net_socket_fd_init(vlan, model, name, fd, 0);
|
2234 | 63a01ef8 | aliguori | if (!s)
|
2235 | 63a01ef8 | aliguori | return -1; |
2236 | 63a01ef8 | aliguori | |
2237 | 63a01ef8 | aliguori | s->dgram_dst = saddr; |
2238 | 63a01ef8 | aliguori | |
2239 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2240 | 63a01ef8 | aliguori | "socket: mcast=%s:%d",
|
2241 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2242 | 63a01ef8 | aliguori | return 0; |
2243 | 63a01ef8 | aliguori | |
2244 | 63a01ef8 | aliguori | } |
2245 | 63a01ef8 | aliguori | |
2246 | bb9ea79e | aliguori | typedef struct DumpState { |
2247 | bb9ea79e | aliguori | VLANClientState *pcap_vc; |
2248 | bb9ea79e | aliguori | int fd;
|
2249 | bb9ea79e | aliguori | int pcap_caplen;
|
2250 | bb9ea79e | aliguori | } DumpState; |
2251 | bb9ea79e | aliguori | |
2252 | bb9ea79e | aliguori | #define PCAP_MAGIC 0xa1b2c3d4 |
2253 | bb9ea79e | aliguori | |
2254 | bb9ea79e | aliguori | struct pcap_file_hdr {
|
2255 | bb9ea79e | aliguori | uint32_t magic; |
2256 | bb9ea79e | aliguori | uint16_t version_major; |
2257 | bb9ea79e | aliguori | uint16_t version_minor; |
2258 | bb9ea79e | aliguori | int32_t thiszone; |
2259 | bb9ea79e | aliguori | uint32_t sigfigs; |
2260 | bb9ea79e | aliguori | uint32_t snaplen; |
2261 | bb9ea79e | aliguori | uint32_t linktype; |
2262 | bb9ea79e | aliguori | }; |
2263 | bb9ea79e | aliguori | |
2264 | bb9ea79e | aliguori | struct pcap_sf_pkthdr {
|
2265 | bb9ea79e | aliguori | struct {
|
2266 | bb9ea79e | aliguori | int32_t tv_sec; |
2267 | bb9ea79e | aliguori | int32_t tv_usec; |
2268 | bb9ea79e | aliguori | } ts; |
2269 | bb9ea79e | aliguori | uint32_t caplen; |
2270 | bb9ea79e | aliguori | uint32_t len; |
2271 | bb9ea79e | aliguori | }; |
2272 | bb9ea79e | aliguori | |
2273 | 4f1c942b | Mark McLoughlin | static ssize_t dump_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
2274 | bb9ea79e | aliguori | { |
2275 | e3f5ec2b | Mark McLoughlin | DumpState *s = vc->opaque; |
2276 | bb9ea79e | aliguori | struct pcap_sf_pkthdr hdr;
|
2277 | bb9ea79e | aliguori | int64_t ts; |
2278 | bb9ea79e | aliguori | int caplen;
|
2279 | bb9ea79e | aliguori | |
2280 | bb9ea79e | aliguori | /* Early return in case of previous error. */
|
2281 | bb9ea79e | aliguori | if (s->fd < 0) { |
2282 | 4f1c942b | Mark McLoughlin | return size;
|
2283 | bb9ea79e | aliguori | } |
2284 | bb9ea79e | aliguori | |
2285 | 37cb6fc3 | Jan Kiszka | ts = muldiv64(qemu_get_clock(vm_clock), 1000000, ticks_per_sec);
|
2286 | bb9ea79e | aliguori | caplen = size > s->pcap_caplen ? s->pcap_caplen : size; |
2287 | bb9ea79e | aliguori | |
2288 | 37cb6fc3 | Jan Kiszka | hdr.ts.tv_sec = ts / 1000000;
|
2289 | bb9ea79e | aliguori | hdr.ts.tv_usec = ts % 1000000;
|
2290 | bb9ea79e | aliguori | hdr.caplen = caplen; |
2291 | bb9ea79e | aliguori | hdr.len = size; |
2292 | bb9ea79e | aliguori | if (write(s->fd, &hdr, sizeof(hdr)) != sizeof(hdr) || |
2293 | bb9ea79e | aliguori | write(s->fd, buf, caplen) != caplen) { |
2294 | bb9ea79e | aliguori | qemu_log("-net dump write error - stop dump\n");
|
2295 | bb9ea79e | aliguori | close(s->fd); |
2296 | bb9ea79e | aliguori | s->fd = -1;
|
2297 | bb9ea79e | aliguori | } |
2298 | 4f1c942b | Mark McLoughlin | |
2299 | 4f1c942b | Mark McLoughlin | return size;
|
2300 | bb9ea79e | aliguori | } |
2301 | bb9ea79e | aliguori | |
2302 | bb9ea79e | aliguori | static void net_dump_cleanup(VLANClientState *vc) |
2303 | bb9ea79e | aliguori | { |
2304 | bb9ea79e | aliguori | DumpState *s = vc->opaque; |
2305 | bb9ea79e | aliguori | |
2306 | bb9ea79e | aliguori | close(s->fd); |
2307 | bb9ea79e | aliguori | qemu_free(s); |
2308 | bb9ea79e | aliguori | } |
2309 | bb9ea79e | aliguori | |
2310 | 10ae5a7a | Jan Kiszka | static int net_dump_init(Monitor *mon, VLANState *vlan, const char *device, |
2311 | bb9ea79e | aliguori | const char *name, const char *filename, int len) |
2312 | bb9ea79e | aliguori | { |
2313 | bb9ea79e | aliguori | struct pcap_file_hdr hdr;
|
2314 | bb9ea79e | aliguori | DumpState *s; |
2315 | bb9ea79e | aliguori | |
2316 | bb9ea79e | aliguori | s = qemu_malloc(sizeof(DumpState));
|
2317 | bb9ea79e | aliguori | |
2318 | 024431b3 | Filip Navara | s->fd = open(filename, O_CREAT | O_WRONLY | O_BINARY, 0644);
|
2319 | bb9ea79e | aliguori | if (s->fd < 0) { |
2320 | 10ae5a7a | Jan Kiszka | config_error(mon, "-net dump: can't open %s\n", filename);
|
2321 | bb9ea79e | aliguori | return -1; |
2322 | bb9ea79e | aliguori | } |
2323 | bb9ea79e | aliguori | |
2324 | bb9ea79e | aliguori | s->pcap_caplen = len; |
2325 | bb9ea79e | aliguori | |
2326 | bb9ea79e | aliguori | hdr.magic = PCAP_MAGIC; |
2327 | bb9ea79e | aliguori | hdr.version_major = 2;
|
2328 | bb9ea79e | aliguori | hdr.version_minor = 4;
|
2329 | bb9ea79e | aliguori | hdr.thiszone = 0;
|
2330 | bb9ea79e | aliguori | hdr.sigfigs = 0;
|
2331 | bb9ea79e | aliguori | hdr.snaplen = s->pcap_caplen; |
2332 | bb9ea79e | aliguori | hdr.linktype = 1;
|
2333 | bb9ea79e | aliguori | |
2334 | bb9ea79e | aliguori | if (write(s->fd, &hdr, sizeof(hdr)) < sizeof(hdr)) { |
2335 | 10ae5a7a | Jan Kiszka | config_error(mon, "-net dump write error: %s\n", strerror(errno));
|
2336 | bb9ea79e | aliguori | close(s->fd); |
2337 | bb9ea79e | aliguori | qemu_free(s); |
2338 | bb9ea79e | aliguori | return -1; |
2339 | bb9ea79e | aliguori | } |
2340 | bb9ea79e | aliguori | |
2341 | 463af534 | Mark McLoughlin | s->pcap_vc = qemu_new_vlan_client(vlan, device, name, NULL, dump_receive, NULL, |
2342 | bb9ea79e | aliguori | net_dump_cleanup, s); |
2343 | bb9ea79e | aliguori | snprintf(s->pcap_vc->info_str, sizeof(s->pcap_vc->info_str),
|
2344 | bb9ea79e | aliguori | "dump to %s (len=%d)", filename, len);
|
2345 | bb9ea79e | aliguori | return 0; |
2346 | bb9ea79e | aliguori | } |
2347 | bb9ea79e | aliguori | |
2348 | 63a01ef8 | aliguori | /* find or alloc a new VLAN */
|
2349 | 1a609520 | Jan Kiszka | VLANState *qemu_find_vlan(int id, int allocate) |
2350 | 63a01ef8 | aliguori | { |
2351 | 63a01ef8 | aliguori | VLANState **pvlan, *vlan; |
2352 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2353 | 63a01ef8 | aliguori | if (vlan->id == id)
|
2354 | 63a01ef8 | aliguori | return vlan;
|
2355 | 63a01ef8 | aliguori | } |
2356 | 1a609520 | Jan Kiszka | if (!allocate) {
|
2357 | 1a609520 | Jan Kiszka | return NULL; |
2358 | 1a609520 | Jan Kiszka | } |
2359 | 63a01ef8 | aliguori | vlan = qemu_mallocz(sizeof(VLANState));
|
2360 | 63a01ef8 | aliguori | vlan->id = id; |
2361 | 63a01ef8 | aliguori | vlan->next = NULL;
|
2362 | 63a01ef8 | aliguori | pvlan = &first_vlan; |
2363 | 63a01ef8 | aliguori | while (*pvlan != NULL) |
2364 | 63a01ef8 | aliguori | pvlan = &(*pvlan)->next; |
2365 | 63a01ef8 | aliguori | *pvlan = vlan; |
2366 | 63a01ef8 | aliguori | return vlan;
|
2367 | 63a01ef8 | aliguori | } |
2368 | 63a01ef8 | aliguori | |
2369 | 7697079b | aliguori | static int nic_get_free_idx(void) |
2370 | 7697079b | aliguori | { |
2371 | 7697079b | aliguori | int index;
|
2372 | 7697079b | aliguori | |
2373 | 7697079b | aliguori | for (index = 0; index < MAX_NICS; index++) |
2374 | 7697079b | aliguori | if (!nd_table[index].used)
|
2375 | 7697079b | aliguori | return index;
|
2376 | 7697079b | aliguori | return -1; |
2377 | 7697079b | aliguori | } |
2378 | 7697079b | aliguori | |
2379 | d07f22c5 | aliguori | void qemu_check_nic_model(NICInfo *nd, const char *model) |
2380 | d07f22c5 | aliguori | { |
2381 | d07f22c5 | aliguori | const char *models[2]; |
2382 | d07f22c5 | aliguori | |
2383 | d07f22c5 | aliguori | models[0] = model;
|
2384 | d07f22c5 | aliguori | models[1] = NULL; |
2385 | d07f22c5 | aliguori | |
2386 | d07f22c5 | aliguori | qemu_check_nic_model_list(nd, models, model); |
2387 | d07f22c5 | aliguori | } |
2388 | d07f22c5 | aliguori | |
2389 | d07f22c5 | aliguori | void qemu_check_nic_model_list(NICInfo *nd, const char * const *models, |
2390 | d07f22c5 | aliguori | const char *default_model) |
2391 | d07f22c5 | aliguori | { |
2392 | d07f22c5 | aliguori | int i, exit_status = 0; |
2393 | d07f22c5 | aliguori | |
2394 | d07f22c5 | aliguori | if (!nd->model)
|
2395 | d07f22c5 | aliguori | nd->model = strdup(default_model); |
2396 | d07f22c5 | aliguori | |
2397 | d07f22c5 | aliguori | if (strcmp(nd->model, "?") != 0) { |
2398 | d07f22c5 | aliguori | for (i = 0 ; models[i]; i++) |
2399 | d07f22c5 | aliguori | if (strcmp(nd->model, models[i]) == 0) |
2400 | d07f22c5 | aliguori | return;
|
2401 | d07f22c5 | aliguori | |
2402 | d07f22c5 | aliguori | fprintf(stderr, "qemu: Unsupported NIC model: %s\n", nd->model);
|
2403 | d07f22c5 | aliguori | exit_status = 1;
|
2404 | d07f22c5 | aliguori | } |
2405 | d07f22c5 | aliguori | |
2406 | d07f22c5 | aliguori | fprintf(stderr, "qemu: Supported NIC models: ");
|
2407 | d07f22c5 | aliguori | for (i = 0 ; models[i]; i++) |
2408 | d07f22c5 | aliguori | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); |
2409 | d07f22c5 | aliguori | |
2410 | d07f22c5 | aliguori | exit(exit_status); |
2411 | d07f22c5 | aliguori | } |
2412 | d07f22c5 | aliguori | |
2413 | 10ae5a7a | Jan Kiszka | int net_client_init(Monitor *mon, const char *device, const char *p) |
2414 | 63a01ef8 | aliguori | { |
2415 | 63a01ef8 | aliguori | char buf[1024]; |
2416 | 63a01ef8 | aliguori | int vlan_id, ret;
|
2417 | 63a01ef8 | aliguori | VLANState *vlan; |
2418 | 7a9f6e4a | aliguori | char *name = NULL; |
2419 | 63a01ef8 | aliguori | |
2420 | 63a01ef8 | aliguori | vlan_id = 0;
|
2421 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
2422 | 63a01ef8 | aliguori | vlan_id = strtol(buf, NULL, 0); |
2423 | 63a01ef8 | aliguori | } |
2424 | 1a609520 | Jan Kiszka | vlan = qemu_find_vlan(vlan_id, 1);
|
2425 | 9036de1a | aliguori | |
2426 | 7a9f6e4a | aliguori | if (get_param_value(buf, sizeof(buf), "name", p)) { |
2427 | 10ae5a7a | Jan Kiszka | name = qemu_strdup(buf); |
2428 | 7a9f6e4a | aliguori | } |
2429 | 63a01ef8 | aliguori | if (!strcmp(device, "nic")) { |
2430 | 8e4416af | aliguori | static const char * const nic_params[] = { |
2431 | ffe6370c | Michael S. Tsirkin | "vlan", "name", "macaddr", "model", "addr", "vectors", NULL |
2432 | 8e4416af | aliguori | }; |
2433 | 63a01ef8 | aliguori | NICInfo *nd; |
2434 | 63a01ef8 | aliguori | uint8_t *macaddr; |
2435 | 7697079b | aliguori | int idx = nic_get_free_idx();
|
2436 | 63a01ef8 | aliguori | |
2437 | 0aa7a205 | Jan Kiszka | if (check_params(buf, sizeof(buf), nic_params, p) < 0) { |
2438 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
|
2439 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2440 | 10ae5a7a | Jan Kiszka | goto out;
|
2441 | 8e4416af | aliguori | } |
2442 | 7697079b | aliguori | if (idx == -1 || nb_nics >= MAX_NICS) { |
2443 | 10ae5a7a | Jan Kiszka | config_error(mon, "Too Many NICs\n");
|
2444 | 771f1339 | aliguori | ret = -1;
|
2445 | 771f1339 | aliguori | goto out;
|
2446 | 63a01ef8 | aliguori | } |
2447 | 7697079b | aliguori | nd = &nd_table[idx]; |
2448 | 63a01ef8 | aliguori | macaddr = nd->macaddr; |
2449 | 63a01ef8 | aliguori | macaddr[0] = 0x52; |
2450 | 63a01ef8 | aliguori | macaddr[1] = 0x54; |
2451 | 63a01ef8 | aliguori | macaddr[2] = 0x00; |
2452 | 63a01ef8 | aliguori | macaddr[3] = 0x12; |
2453 | 63a01ef8 | aliguori | macaddr[4] = 0x34; |
2454 | 7697079b | aliguori | macaddr[5] = 0x56 + idx; |
2455 | 63a01ef8 | aliguori | |
2456 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
2457 | 63a01ef8 | aliguori | if (parse_macaddr(macaddr, buf) < 0) { |
2458 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid syntax for ethernet address\n");
|
2459 | 771f1339 | aliguori | ret = -1;
|
2460 | 771f1339 | aliguori | goto out;
|
2461 | 63a01ef8 | aliguori | } |
2462 | 63a01ef8 | aliguori | } |
2463 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "model", p)) { |
2464 | 63a01ef8 | aliguori | nd->model = strdup(buf); |
2465 | 63a01ef8 | aliguori | } |
2466 | 5607c388 | Markus Armbruster | if (get_param_value(buf, sizeof(buf), "addr", p)) { |
2467 | 5607c388 | Markus Armbruster | nd->devaddr = strdup(buf); |
2468 | 5607c388 | Markus Armbruster | } |
2469 | ffe6370c | Michael S. Tsirkin | nd->nvectors = NIC_NVECTORS_UNSPECIFIED; |
2470 | ffe6370c | Michael S. Tsirkin | if (get_param_value(buf, sizeof(buf), "vectors", p)) { |
2471 | ffe6370c | Michael S. Tsirkin | char *endptr;
|
2472 | ffe6370c | Michael S. Tsirkin | long vectors = strtol(buf, &endptr, 0); |
2473 | ffe6370c | Michael S. Tsirkin | if (*endptr) {
|
2474 | ffe6370c | Michael S. Tsirkin | config_error(mon, "invalid syntax for # of vectors\n");
|
2475 | ffe6370c | Michael S. Tsirkin | ret = -1;
|
2476 | ffe6370c | Michael S. Tsirkin | goto out;
|
2477 | ffe6370c | Michael S. Tsirkin | } |
2478 | ffe6370c | Michael S. Tsirkin | if (vectors < 0 || vectors > 0x7ffffff) { |
2479 | ffe6370c | Michael S. Tsirkin | config_error(mon, "invalid # of vectors\n");
|
2480 | ffe6370c | Michael S. Tsirkin | ret = -1;
|
2481 | ffe6370c | Michael S. Tsirkin | goto out;
|
2482 | ffe6370c | Michael S. Tsirkin | } |
2483 | ffe6370c | Michael S. Tsirkin | nd->nvectors = vectors; |
2484 | ffe6370c | Michael S. Tsirkin | } |
2485 | 63a01ef8 | aliguori | nd->vlan = vlan; |
2486 | 7a9f6e4a | aliguori | nd->name = name; |
2487 | 7697079b | aliguori | nd->used = 1;
|
2488 | 7a9f6e4a | aliguori | name = NULL;
|
2489 | 63a01ef8 | aliguori | nb_nics++; |
2490 | 63a01ef8 | aliguori | vlan->nb_guest_devs++; |
2491 | 4d73cd3b | aliguori | ret = idx; |
2492 | 63a01ef8 | aliguori | } else
|
2493 | 63a01ef8 | aliguori | if (!strcmp(device, "none")) { |
2494 | 8e4416af | aliguori | if (*p != '\0') { |
2495 | 10ae5a7a | Jan Kiszka | config_error(mon, "'none' takes no parameters\n");
|
2496 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2497 | 10ae5a7a | Jan Kiszka | goto out;
|
2498 | 8e4416af | aliguori | } |
2499 | 63a01ef8 | aliguori | /* does nothing. It is needed to signal that no network cards
|
2500 | 63a01ef8 | aliguori | are wanted */
|
2501 | 63a01ef8 | aliguori | ret = 0;
|
2502 | 63a01ef8 | aliguori | } else
|
2503 | 63a01ef8 | aliguori | #ifdef CONFIG_SLIRP
|
2504 | 63a01ef8 | aliguori | if (!strcmp(device, "user")) { |
2505 | 8e4416af | aliguori | static const char * const slirp_params[] = { |
2506 | c92ef6a2 | Jan Kiszka | "vlan", "name", "hostname", "restrict", "ip", "net", "host", |
2507 | c92ef6a2 | Jan Kiszka | "tftp", "bootfile", "dhcpstart", "dns", "smb", "smbserver", |
2508 | c92ef6a2 | Jan Kiszka | "hostfwd", "guestfwd", NULL |
2509 | 8e4416af | aliguori | }; |
2510 | ad196a9d | Jan Kiszka | struct slirp_config_str *config;
|
2511 | c92ef6a2 | Jan Kiszka | int restricted = 0; |
2512 | c92ef6a2 | Jan Kiszka | char *vnet = NULL; |
2513 | c92ef6a2 | Jan Kiszka | char *vhost = NULL; |
2514 | c92ef6a2 | Jan Kiszka | char *vhostname = NULL; |
2515 | ad196a9d | Jan Kiszka | char *tftp_export = NULL; |
2516 | ad196a9d | Jan Kiszka | char *bootfile = NULL; |
2517 | c92ef6a2 | Jan Kiszka | char *vdhcp_start = NULL; |
2518 | c92ef6a2 | Jan Kiszka | char *vnamesrv = NULL; |
2519 | ad196a9d | Jan Kiszka | char *smb_export = NULL; |
2520 | c92ef6a2 | Jan Kiszka | char *vsmbsrv = NULL; |
2521 | ad196a9d | Jan Kiszka | const char *q; |
2522 | b8e8af38 | Jan Kiszka | |
2523 | 0aa7a205 | Jan Kiszka | if (check_params(buf, sizeof(buf), slirp_params, p) < 0) { |
2524 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
|
2525 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2526 | 10ae5a7a | Jan Kiszka | goto out;
|
2527 | 8e4416af | aliguori | } |
2528 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "ip", p)) { |
2529 | 3da6abd4 | Blue Swirl | int vnet_buflen = strlen(buf) + strlen("/24") + 1; |
2530 | c92ef6a2 | Jan Kiszka | /* emulate legacy parameter */
|
2531 | 3da6abd4 | Blue Swirl | vnet = qemu_malloc(vnet_buflen); |
2532 | 3da6abd4 | Blue Swirl | pstrcpy(vnet, vnet_buflen, buf); |
2533 | 3da6abd4 | Blue Swirl | pstrcat(vnet, vnet_buflen, "/24");
|
2534 | c92ef6a2 | Jan Kiszka | } |
2535 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "net", p)) { |
2536 | c92ef6a2 | Jan Kiszka | vnet = qemu_strdup(buf); |
2537 | c92ef6a2 | Jan Kiszka | } |
2538 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "host", p)) { |
2539 | c92ef6a2 | Jan Kiszka | vhost = qemu_strdup(buf); |
2540 | c92ef6a2 | Jan Kiszka | } |
2541 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
2542 | c92ef6a2 | Jan Kiszka | vhostname = qemu_strdup(buf); |
2543 | 63a01ef8 | aliguori | } |
2544 | 49ec9b40 | aliguori | if (get_param_value(buf, sizeof(buf), "restrict", p)) { |
2545 | b8e8af38 | Jan Kiszka | restricted = (buf[0] == 'y') ? 1 : 0; |
2546 | 49ec9b40 | aliguori | } |
2547 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "dhcpstart", p)) { |
2548 | c92ef6a2 | Jan Kiszka | vdhcp_start = qemu_strdup(buf); |
2549 | c92ef6a2 | Jan Kiszka | } |
2550 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "dns", p)) { |
2551 | c92ef6a2 | Jan Kiszka | vnamesrv = qemu_strdup(buf); |
2552 | 49ec9b40 | aliguori | } |
2553 | ad196a9d | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "tftp", p)) { |
2554 | ad196a9d | Jan Kiszka | tftp_export = qemu_strdup(buf); |
2555 | ad196a9d | Jan Kiszka | } |
2556 | ad196a9d | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "bootfile", p)) { |
2557 | ad196a9d | Jan Kiszka | bootfile = qemu_strdup(buf); |
2558 | ad196a9d | Jan Kiszka | } |
2559 | ad196a9d | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "smb", p)) { |
2560 | ad196a9d | Jan Kiszka | smb_export = qemu_strdup(buf); |
2561 | c92ef6a2 | Jan Kiszka | if (get_param_value(buf, sizeof(buf), "smbserver", p)) { |
2562 | c92ef6a2 | Jan Kiszka | vsmbsrv = qemu_strdup(buf); |
2563 | c92ef6a2 | Jan Kiszka | } |
2564 | ad196a9d | Jan Kiszka | } |
2565 | ad196a9d | Jan Kiszka | q = p; |
2566 | ad196a9d | Jan Kiszka | while (1) { |
2567 | ad196a9d | Jan Kiszka | config = qemu_malloc(sizeof(*config));
|
2568 | ad196a9d | Jan Kiszka | if (!get_next_param_value(config->str, sizeof(config->str), |
2569 | c92ef6a2 | Jan Kiszka | "hostfwd", &q)) {
|
2570 | ad196a9d | Jan Kiszka | break;
|
2571 | ad196a9d | Jan Kiszka | } |
2572 | c92ef6a2 | Jan Kiszka | config->flags = SLIRP_CFG_HOSTFWD; |
2573 | ad196a9d | Jan Kiszka | config->next = slirp_configs; |
2574 | ad196a9d | Jan Kiszka | slirp_configs = config; |
2575 | ad196a9d | Jan Kiszka | config = NULL;
|
2576 | ad196a9d | Jan Kiszka | } |
2577 | ad196a9d | Jan Kiszka | q = p; |
2578 | ad196a9d | Jan Kiszka | while (1) { |
2579 | ad196a9d | Jan Kiszka | config = qemu_malloc(sizeof(*config));
|
2580 | ad196a9d | Jan Kiszka | if (!get_next_param_value(config->str, sizeof(config->str), |
2581 | c92ef6a2 | Jan Kiszka | "guestfwd", &q)) {
|
2582 | ad196a9d | Jan Kiszka | break;
|
2583 | ad196a9d | Jan Kiszka | } |
2584 | ad196a9d | Jan Kiszka | config->flags = 0;
|
2585 | ad196a9d | Jan Kiszka | config->next = slirp_configs; |
2586 | ad196a9d | Jan Kiszka | slirp_configs = config; |
2587 | ad196a9d | Jan Kiszka | config = NULL;
|
2588 | ad196a9d | Jan Kiszka | } |
2589 | ad196a9d | Jan Kiszka | qemu_free(config); |
2590 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
2591 | c92ef6a2 | Jan Kiszka | ret = net_slirp_init(mon, vlan, device, name, restricted, vnet, vhost, |
2592 | c92ef6a2 | Jan Kiszka | vhostname, tftp_export, bootfile, vdhcp_start, |
2593 | c92ef6a2 | Jan Kiszka | vnamesrv, smb_export, vsmbsrv); |
2594 | c92ef6a2 | Jan Kiszka | qemu_free(vnet); |
2595 | c92ef6a2 | Jan Kiszka | qemu_free(vhost); |
2596 | c92ef6a2 | Jan Kiszka | qemu_free(vhostname); |
2597 | ad196a9d | Jan Kiszka | qemu_free(tftp_export); |
2598 | ad196a9d | Jan Kiszka | qemu_free(bootfile); |
2599 | c92ef6a2 | Jan Kiszka | qemu_free(vdhcp_start); |
2600 | c92ef6a2 | Jan Kiszka | qemu_free(vnamesrv); |
2601 | ad196a9d | Jan Kiszka | qemu_free(smb_export); |
2602 | c92ef6a2 | Jan Kiszka | qemu_free(vsmbsrv); |
2603 | 8ca9217d | aliguori | } else if (!strcmp(device, "channel")) { |
2604 | b1c99fcd | Jan Kiszka | if (TAILQ_EMPTY(&slirp_stacks)) {
|
2605 | ad196a9d | Jan Kiszka | struct slirp_config_str *config;
|
2606 | ad196a9d | Jan Kiszka | |
2607 | ad196a9d | Jan Kiszka | config = qemu_malloc(sizeof(*config));
|
2608 | ad196a9d | Jan Kiszka | pstrcpy(config->str, sizeof(config->str), p);
|
2609 | c92ef6a2 | Jan Kiszka | config->flags = SLIRP_CFG_LEGACY; |
2610 | ad196a9d | Jan Kiszka | config->next = slirp_configs; |
2611 | ad196a9d | Jan Kiszka | slirp_configs = config; |
2612 | ad196a9d | Jan Kiszka | } else {
|
2613 | b1c99fcd | Jan Kiszka | slirp_guestfwd(TAILQ_FIRST(&slirp_stacks), mon, p, 1);
|
2614 | 8ca9217d | aliguori | } |
2615 | 8ca9217d | aliguori | ret = 0;
|
2616 | 63a01ef8 | aliguori | } else
|
2617 | 63a01ef8 | aliguori | #endif
|
2618 | 63a01ef8 | aliguori | #ifdef _WIN32
|
2619 | 63a01ef8 | aliguori | if (!strcmp(device, "tap")) { |
2620 | 8e4416af | aliguori | static const char * const tap_params[] = { |
2621 | 8e4416af | aliguori | "vlan", "name", "ifname", NULL |
2622 | 8e4416af | aliguori | }; |
2623 | 63a01ef8 | aliguori | char ifname[64]; |
2624 | 8e4416af | aliguori | |
2625 | 0aa7a205 | Jan Kiszka | if (check_params(buf, sizeof(buf), tap_params, p) < 0) { |
2626 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
|
2627 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2628 | 10ae5a7a | Jan Kiszka | goto out;
|
2629 | 8e4416af | aliguori | } |
2630 | 63a01ef8 | aliguori | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
2631 | 10ae5a7a | Jan Kiszka | config_error(mon, "tap: no interface name\n");
|
2632 | 771f1339 | aliguori | ret = -1;
|
2633 | 771f1339 | aliguori | goto out;
|
2634 | 63a01ef8 | aliguori | } |
2635 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
2636 | 7a9f6e4a | aliguori | ret = tap_win32_init(vlan, device, name, ifname); |
2637 | 63a01ef8 | aliguori | } else
|
2638 | b29fe3ed | malc | #elif defined (_AIX)
|
2639 | 63a01ef8 | aliguori | #else
|
2640 | 63a01ef8 | aliguori | if (!strcmp(device, "tap")) { |
2641 | 0aa7a205 | Jan Kiszka | char ifname[64], chkbuf[64]; |
2642 | 63a01ef8 | aliguori | char setup_script[1024], down_script[1024]; |
2643 | 4a77b25e | Mark McLoughlin | TAPState *s; |
2644 | 63a01ef8 | aliguori | int fd;
|
2645 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
2646 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
2647 | 0df0ff6d | Mark McLoughlin | static const char * const fd_params[] = { |
2648 | 0df0ff6d | Mark McLoughlin | "vlan", "name", "fd", "sndbuf", NULL |
2649 | 0df0ff6d | Mark McLoughlin | }; |
2650 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { |
2651 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2652 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2653 | 10ae5a7a | Jan Kiszka | goto out;
|
2654 | 8e4416af | aliguori | } |
2655 | 63a01ef8 | aliguori | fd = strtol(buf, NULL, 0); |
2656 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
2657 | 4a77b25e | Mark McLoughlin | s = net_tap_fd_init(vlan, device, name, fd); |
2658 | 63a01ef8 | aliguori | } else {
|
2659 | 8e4416af | aliguori | static const char * const tap_params[] = { |
2660 | 0df0ff6d | Mark McLoughlin | "vlan", "name", "ifname", "script", "downscript", "sndbuf", NULL |
2661 | 8e4416af | aliguori | }; |
2662 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), tap_params, p) < 0) { |
2663 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2664 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2665 | 10ae5a7a | Jan Kiszka | goto out;
|
2666 | 8e4416af | aliguori | } |
2667 | 63a01ef8 | aliguori | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
2668 | 63a01ef8 | aliguori | ifname[0] = '\0'; |
2669 | 63a01ef8 | aliguori | } |
2670 | 63a01ef8 | aliguori | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
2671 | 63a01ef8 | aliguori | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
2672 | 63a01ef8 | aliguori | } |
2673 | 63a01ef8 | aliguori | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { |
2674 | 63a01ef8 | aliguori | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
|
2675 | 63a01ef8 | aliguori | } |
2676 | 4a77b25e | Mark McLoughlin | s = net_tap_init(vlan, device, name, ifname, setup_script, down_script); |
2677 | 4a77b25e | Mark McLoughlin | } |
2678 | 4a77b25e | Mark McLoughlin | if (s != NULL) { |
2679 | fc5b81d1 | Mark McLoughlin | const char *sndbuf_str = NULL; |
2680 | 0df0ff6d | Mark McLoughlin | if (get_param_value(buf, sizeof(buf), "sndbuf", p)) { |
2681 | fc5b81d1 | Mark McLoughlin | sndbuf_str = buf; |
2682 | 0df0ff6d | Mark McLoughlin | } |
2683 | fc5b81d1 | Mark McLoughlin | tap_set_sndbuf(s, sndbuf_str, mon); |
2684 | 4a77b25e | Mark McLoughlin | ret = 0;
|
2685 | 4a77b25e | Mark McLoughlin | } else {
|
2686 | 4a77b25e | Mark McLoughlin | ret = -1;
|
2687 | 63a01ef8 | aliguori | } |
2688 | 63a01ef8 | aliguori | } else
|
2689 | 63a01ef8 | aliguori | #endif
|
2690 | 63a01ef8 | aliguori | if (!strcmp(device, "socket")) { |
2691 | 0aa7a205 | Jan Kiszka | char chkbuf[64]; |
2692 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
2693 | 0df0ff6d | Mark McLoughlin | static const char * const fd_params[] = { |
2694 | 0df0ff6d | Mark McLoughlin | "vlan", "name", "fd", NULL |
2695 | 0df0ff6d | Mark McLoughlin | }; |
2696 | 63a01ef8 | aliguori | int fd;
|
2697 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { |
2698 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2699 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2700 | 10ae5a7a | Jan Kiszka | goto out;
|
2701 | 8e4416af | aliguori | } |
2702 | 63a01ef8 | aliguori | fd = strtol(buf, NULL, 0); |
2703 | 63a01ef8 | aliguori | ret = -1;
|
2704 | 7a9f6e4a | aliguori | if (net_socket_fd_init(vlan, device, name, fd, 1)) |
2705 | 63a01ef8 | aliguori | ret = 0;
|
2706 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
2707 | 8e4416af | aliguori | static const char * const listen_params[] = { |
2708 | 8e4416af | aliguori | "vlan", "name", "listen", NULL |
2709 | 8e4416af | aliguori | }; |
2710 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), listen_params, p) < 0) { |
2711 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2712 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2713 | 10ae5a7a | Jan Kiszka | goto out;
|
2714 | 8e4416af | aliguori | } |
2715 | 7a9f6e4a | aliguori | ret = net_socket_listen_init(vlan, device, name, buf); |
2716 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
2717 | 8e4416af | aliguori | static const char * const connect_params[] = { |
2718 | 8e4416af | aliguori | "vlan", "name", "connect", NULL |
2719 | 8e4416af | aliguori | }; |
2720 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), connect_params, p) < 0) { |
2721 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2722 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2723 | 10ae5a7a | Jan Kiszka | goto out;
|
2724 | 8e4416af | aliguori | } |
2725 | 7a9f6e4a | aliguori | ret = net_socket_connect_init(vlan, device, name, buf); |
2726 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
2727 | 8e4416af | aliguori | static const char * const mcast_params[] = { |
2728 | 8e4416af | aliguori | "vlan", "name", "mcast", NULL |
2729 | 8e4416af | aliguori | }; |
2730 | 0aa7a205 | Jan Kiszka | if (check_params(chkbuf, sizeof(chkbuf), mcast_params, p) < 0) { |
2731 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p);
|
2732 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2733 | 10ae5a7a | Jan Kiszka | goto out;
|
2734 | 8e4416af | aliguori | } |
2735 | 7a9f6e4a | aliguori | ret = net_socket_mcast_init(vlan, device, name, buf); |
2736 | 63a01ef8 | aliguori | } else {
|
2737 | 10ae5a7a | Jan Kiszka | config_error(mon, "Unknown socket options: %s\n", p);
|
2738 | 771f1339 | aliguori | ret = -1;
|
2739 | 771f1339 | aliguori | goto out;
|
2740 | 63a01ef8 | aliguori | } |
2741 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
2742 | 63a01ef8 | aliguori | } else
|
2743 | 63a01ef8 | aliguori | #ifdef CONFIG_VDE
|
2744 | 63a01ef8 | aliguori | if (!strcmp(device, "vde")) { |
2745 | 8e4416af | aliguori | static const char * const vde_params[] = { |
2746 | 8e4416af | aliguori | "vlan", "name", "sock", "port", "group", "mode", NULL |
2747 | 8e4416af | aliguori | }; |
2748 | 63a01ef8 | aliguori | char vde_sock[1024], vde_group[512]; |
2749 | 63a01ef8 | aliguori | int vde_port, vde_mode;
|
2750 | 8e4416af | aliguori | |
2751 | 0aa7a205 | Jan Kiszka | if (check_params(buf, sizeof(buf), vde_params, p) < 0) { |
2752 | 10ae5a7a | Jan Kiszka | config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p);
|
2753 | 10ae5a7a | Jan Kiszka | ret = -1;
|
2754 | 10ae5a7a | Jan Kiszka | goto out;
|
2755 | 8e4416af | aliguori | } |
2756 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
2757 | 63a01ef8 | aliguori | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { |
2758 | 63a01ef8 | aliguori | vde_sock[0] = '\0'; |
2759 | 63a01ef8 | aliguori | } |
2760 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { |
2761 | 63a01ef8 | aliguori | vde_port = strtol(buf, NULL, 10); |
2762 | 63a01ef8 | aliguori | } else {
|
2763 | 63a01ef8 | aliguori | vde_port = 0;
|
2764 | 63a01ef8 | aliguori | } |
2765 | 63a01ef8 | aliguori | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { |
2766 | 63a01ef8 | aliguori | vde_group[0] = '\0'; |
2767 | 63a01ef8 | aliguori | } |
2768 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { |
2769 | 63a01ef8 | aliguori | vde_mode = strtol(buf, NULL, 8); |
2770 | 63a01ef8 | aliguori | } else {
|
2771 | 63a01ef8 | aliguori | vde_mode = 0700;
|
2772 | 63a01ef8 | aliguori | } |
2773 | 7a9f6e4a | aliguori | ret = net_vde_init(vlan, device, name, vde_sock, vde_port, vde_group, vde_mode); |
2774 | 63a01ef8 | aliguori | } else
|
2775 | 63a01ef8 | aliguori | #endif
|
2776 | bb9ea79e | aliguori | if (!strcmp(device, "dump")) { |
2777 | bb9ea79e | aliguori | int len = 65536; |
2778 | bb9ea79e | aliguori | |
2779 | bb9ea79e | aliguori | if (get_param_value(buf, sizeof(buf), "len", p) > 0) { |
2780 | bb9ea79e | aliguori | len = strtol(buf, NULL, 0); |
2781 | bb9ea79e | aliguori | } |
2782 | bb9ea79e | aliguori | if (!get_param_value(buf, sizeof(buf), "file", p)) { |
2783 | bb9ea79e | aliguori | snprintf(buf, sizeof(buf), "qemu-vlan%d.pcap", vlan_id); |
2784 | bb9ea79e | aliguori | } |
2785 | 10ae5a7a | Jan Kiszka | ret = net_dump_init(mon, vlan, device, name, buf, len); |
2786 | bb9ea79e | aliguori | } else {
|
2787 | 10ae5a7a | Jan Kiszka | config_error(mon, "Unknown network device: %s\n", device);
|
2788 | 771f1339 | aliguori | ret = -1;
|
2789 | 771f1339 | aliguori | goto out;
|
2790 | 63a01ef8 | aliguori | } |
2791 | 63a01ef8 | aliguori | if (ret < 0) { |
2792 | 10ae5a7a | Jan Kiszka | config_error(mon, "Could not initialize device '%s'\n", device);
|
2793 | 63a01ef8 | aliguori | } |
2794 | 771f1339 | aliguori | out:
|
2795 | 10ae5a7a | Jan Kiszka | qemu_free(name); |
2796 | 63a01ef8 | aliguori | return ret;
|
2797 | 63a01ef8 | aliguori | } |
2798 | 63a01ef8 | aliguori | |
2799 | 8b13c4a7 | aliguori | void net_client_uninit(NICInfo *nd)
|
2800 | 8b13c4a7 | aliguori | { |
2801 | 8b13c4a7 | aliguori | nd->vlan->nb_guest_devs--; |
2802 | 8b13c4a7 | aliguori | nb_nics--; |
2803 | 8b13c4a7 | aliguori | nd->used = 0;
|
2804 | 8b13c4a7 | aliguori | free((void *)nd->model);
|
2805 | 8b13c4a7 | aliguori | } |
2806 | 8b13c4a7 | aliguori | |
2807 | 6f338c34 | aliguori | static int net_host_check_device(const char *device) |
2808 | 6f338c34 | aliguori | { |
2809 | 6f338c34 | aliguori | int i;
|
2810 | bb9ea79e | aliguori | const char *valid_param_list[] = { "tap", "socket", "dump" |
2811 | 6f338c34 | aliguori | #ifdef CONFIG_SLIRP
|
2812 | 6f338c34 | aliguori | ,"user"
|
2813 | 6f338c34 | aliguori | #endif
|
2814 | 6f338c34 | aliguori | #ifdef CONFIG_VDE
|
2815 | 6f338c34 | aliguori | ,"vde"
|
2816 | 6f338c34 | aliguori | #endif
|
2817 | 6f338c34 | aliguori | }; |
2818 | 6f338c34 | aliguori | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { |
2819 | 6f338c34 | aliguori | if (!strncmp(valid_param_list[i], device,
|
2820 | 6f338c34 | aliguori | strlen(valid_param_list[i]))) |
2821 | 6f338c34 | aliguori | return 1; |
2822 | 6f338c34 | aliguori | } |
2823 | 6f338c34 | aliguori | |
2824 | 6f338c34 | aliguori | return 0; |
2825 | 6f338c34 | aliguori | } |
2826 | 6f338c34 | aliguori | |
2827 | 376253ec | aliguori | void net_host_device_add(Monitor *mon, const char *device, const char *opts) |
2828 | 6f338c34 | aliguori | { |
2829 | 6f338c34 | aliguori | if (!net_host_check_device(device)) {
|
2830 | 376253ec | aliguori | monitor_printf(mon, "invalid host network device %s\n", device);
|
2831 | 6f338c34 | aliguori | return;
|
2832 | 6f338c34 | aliguori | } |
2833 | 10ae5a7a | Jan Kiszka | if (net_client_init(mon, device, opts ? opts : "") < 0) { |
2834 | 5c8be678 | aliguori | monitor_printf(mon, "adding host network device %s failed\n", device);
|
2835 | 5c8be678 | aliguori | } |
2836 | 6f338c34 | aliguori | } |
2837 | 6f338c34 | aliguori | |
2838 | 376253ec | aliguori | void net_host_device_remove(Monitor *mon, int vlan_id, const char *device) |
2839 | 6f338c34 | aliguori | { |
2840 | 6f338c34 | aliguori | VLANClientState *vc; |
2841 | 6f338c34 | aliguori | |
2842 | 1a609520 | Jan Kiszka | vc = qemu_find_vlan_client_by_name(mon, vlan_id, device); |
2843 | 6f338c34 | aliguori | if (!vc) {
|
2844 | 6f338c34 | aliguori | return;
|
2845 | 6f338c34 | aliguori | } |
2846 | e8f1f9db | aliguori | if (!net_host_check_device(vc->model)) {
|
2847 | e8f1f9db | aliguori | monitor_printf(mon, "invalid host network device %s\n", device);
|
2848 | e8f1f9db | aliguori | return;
|
2849 | e8f1f9db | aliguori | } |
2850 | 6f338c34 | aliguori | qemu_del_vlan_client(vc); |
2851 | 6f338c34 | aliguori | } |
2852 | 6f338c34 | aliguori | |
2853 | 63a01ef8 | aliguori | int net_client_parse(const char *str) |
2854 | 63a01ef8 | aliguori | { |
2855 | 63a01ef8 | aliguori | const char *p; |
2856 | 63a01ef8 | aliguori | char *q;
|
2857 | 63a01ef8 | aliguori | char device[64]; |
2858 | 63a01ef8 | aliguori | |
2859 | 63a01ef8 | aliguori | p = str; |
2860 | 63a01ef8 | aliguori | q = device; |
2861 | 63a01ef8 | aliguori | while (*p != '\0' && *p != ',') { |
2862 | 63a01ef8 | aliguori | if ((q - device) < sizeof(device) - 1) |
2863 | 63a01ef8 | aliguori | *q++ = *p; |
2864 | 63a01ef8 | aliguori | p++; |
2865 | 63a01ef8 | aliguori | } |
2866 | 63a01ef8 | aliguori | *q = '\0';
|
2867 | 63a01ef8 | aliguori | if (*p == ',') |
2868 | 63a01ef8 | aliguori | p++; |
2869 | 63a01ef8 | aliguori | |
2870 | 10ae5a7a | Jan Kiszka | return net_client_init(NULL, device, p); |
2871 | 63a01ef8 | aliguori | } |
2872 | 63a01ef8 | aliguori | |
2873 | 406c8df3 | Glauber Costa | void net_set_boot_mask(int net_boot_mask) |
2874 | 406c8df3 | Glauber Costa | { |
2875 | 406c8df3 | Glauber Costa | int i;
|
2876 | 406c8df3 | Glauber Costa | |
2877 | 406c8df3 | Glauber Costa | /* Only the first four NICs may be bootable */
|
2878 | 406c8df3 | Glauber Costa | net_boot_mask = net_boot_mask & 0xF;
|
2879 | 406c8df3 | Glauber Costa | |
2880 | 406c8df3 | Glauber Costa | for (i = 0; i < nb_nics; i++) { |
2881 | 406c8df3 | Glauber Costa | if (net_boot_mask & (1 << i)) { |
2882 | 406c8df3 | Glauber Costa | nd_table[i].bootable = 1;
|
2883 | 406c8df3 | Glauber Costa | net_boot_mask &= ~(1 << i);
|
2884 | 406c8df3 | Glauber Costa | } |
2885 | 406c8df3 | Glauber Costa | } |
2886 | 406c8df3 | Glauber Costa | |
2887 | 406c8df3 | Glauber Costa | if (net_boot_mask) {
|
2888 | 406c8df3 | Glauber Costa | fprintf(stderr, "Cannot boot from non-existent NIC\n");
|
2889 | 406c8df3 | Glauber Costa | exit(1);
|
2890 | 406c8df3 | Glauber Costa | } |
2891 | 406c8df3 | Glauber Costa | } |
2892 | 406c8df3 | Glauber Costa | |
2893 | 376253ec | aliguori | void do_info_network(Monitor *mon)
|
2894 | 63a01ef8 | aliguori | { |
2895 | 63a01ef8 | aliguori | VLANState *vlan; |
2896 | 63a01ef8 | aliguori | VLANClientState *vc; |
2897 | 63a01ef8 | aliguori | |
2898 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2899 | 376253ec | aliguori | monitor_printf(mon, "VLAN %d devices:\n", vlan->id);
|
2900 | 63a01ef8 | aliguori | for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
2901 | 376253ec | aliguori | monitor_printf(mon, " %s: %s\n", vc->name, vc->info_str);
|
2902 | 63a01ef8 | aliguori | } |
2903 | 63a01ef8 | aliguori | } |
2904 | 63a01ef8 | aliguori | |
2905 | 376253ec | aliguori | int do_set_link(Monitor *mon, const char *name, const char *up_or_down) |
2906 | 436e5e53 | aliguori | { |
2907 | 436e5e53 | aliguori | VLANState *vlan; |
2908 | 436e5e53 | aliguori | VLANClientState *vc = NULL;
|
2909 | 436e5e53 | aliguori | |
2910 | 436e5e53 | aliguori | for (vlan = first_vlan; vlan != NULL; vlan = vlan->next) |
2911 | 436e5e53 | aliguori | for (vc = vlan->first_client; vc != NULL; vc = vc->next) |
2912 | 436e5e53 | aliguori | if (strcmp(vc->name, name) == 0) |
2913 | dd5de373 | edgar_igl | goto done;
|
2914 | dd5de373 | edgar_igl | done:
|
2915 | 436e5e53 | aliguori | |
2916 | 436e5e53 | aliguori | if (!vc) {
|
2917 | 376253ec | aliguori | monitor_printf(mon, "could not find network device '%s'", name);
|
2918 | 436e5e53 | aliguori | return 0; |
2919 | 436e5e53 | aliguori | } |
2920 | 436e5e53 | aliguori | |
2921 | 436e5e53 | aliguori | if (strcmp(up_or_down, "up") == 0) |
2922 | 436e5e53 | aliguori | vc->link_down = 0;
|
2923 | 436e5e53 | aliguori | else if (strcmp(up_or_down, "down") == 0) |
2924 | 436e5e53 | aliguori | vc->link_down = 1;
|
2925 | 436e5e53 | aliguori | else
|
2926 | 376253ec | aliguori | monitor_printf(mon, "invalid link status '%s'; only 'up' or 'down' "
|
2927 | 376253ec | aliguori | "valid\n", up_or_down);
|
2928 | 436e5e53 | aliguori | |
2929 | 34b25ca7 | aliguori | if (vc->link_status_changed)
|
2930 | 34b25ca7 | aliguori | vc->link_status_changed(vc); |
2931 | 34b25ca7 | aliguori | |
2932 | 436e5e53 | aliguori | return 1; |
2933 | 436e5e53 | aliguori | } |
2934 | 436e5e53 | aliguori | |
2935 | 63a01ef8 | aliguori | void net_cleanup(void) |
2936 | 63a01ef8 | aliguori | { |
2937 | 63a01ef8 | aliguori | VLANState *vlan; |
2938 | 63a01ef8 | aliguori | |
2939 | 63a01ef8 | aliguori | /* close network clients */
|
2940 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2941 | b946a153 | aliguori | VLANClientState *vc = vlan->first_client; |
2942 | 63a01ef8 | aliguori | |
2943 | b946a153 | aliguori | while (vc) {
|
2944 | b946a153 | aliguori | VLANClientState *next = vc->next; |
2945 | 63a01ef8 | aliguori | |
2946 | b946a153 | aliguori | qemu_del_vlan_client(vc); |
2947 | b946a153 | aliguori | |
2948 | b946a153 | aliguori | vc = next; |
2949 | 63a01ef8 | aliguori | } |
2950 | 63a01ef8 | aliguori | } |
2951 | 63a01ef8 | aliguori | } |
2952 | 63a01ef8 | aliguori | |
2953 | 63a01ef8 | aliguori | void net_client_check(void) |
2954 | 63a01ef8 | aliguori | { |
2955 | 63a01ef8 | aliguori | VLANState *vlan; |
2956 | 63a01ef8 | aliguori | |
2957 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
2958 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
2959 | 63a01ef8 | aliguori | continue;
|
2960 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0) |
2961 | 63a01ef8 | aliguori | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
|
2962 | 63a01ef8 | aliguori | if (vlan->nb_host_devs == 0) |
2963 | 63a01ef8 | aliguori | fprintf(stderr, |
2964 | 63a01ef8 | aliguori | "Warning: vlan %d is not connected to host network\n",
|
2965 | 63a01ef8 | aliguori | vlan->id); |
2966 | 63a01ef8 | aliguori | } |
2967 | 63a01ef8 | aliguori | } |