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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 | 559b90fb | aliguori | #include "qemu-common.h" |
25 | 63a01ef8 | aliguori | #include "net.h" |
26 | 63a01ef8 | aliguori | #include "console.h" |
27 | 63a01ef8 | aliguori | #include "sysemu.h" |
28 | 63a01ef8 | aliguori | #include "qemu-timer.h" |
29 | 63a01ef8 | aliguori | #include "qemu-char.h" |
30 | 63a01ef8 | aliguori | #include "audio/audio.h" |
31 | 63a01ef8 | aliguori | |
32 | 63a01ef8 | aliguori | #include <unistd.h> |
33 | 63a01ef8 | aliguori | #include <fcntl.h> |
34 | 63a01ef8 | aliguori | #include <signal.h> |
35 | 63a01ef8 | aliguori | #include <time.h> |
36 | 63a01ef8 | aliguori | #include <errno.h> |
37 | 63a01ef8 | aliguori | #include <sys/time.h> |
38 | 63a01ef8 | aliguori | #include <zlib.h> |
39 | 63a01ef8 | aliguori | |
40 | 63a01ef8 | aliguori | #ifndef _WIN32
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41 | 63a01ef8 | aliguori | #include <sys/times.h> |
42 | 63a01ef8 | aliguori | #include <sys/wait.h> |
43 | 63a01ef8 | aliguori | #include <termios.h> |
44 | 63a01ef8 | aliguori | #include <sys/mman.h> |
45 | 63a01ef8 | aliguori | #include <sys/ioctl.h> |
46 | 24646c7e | blueswir1 | #include <sys/resource.h> |
47 | 63a01ef8 | aliguori | #include <sys/socket.h> |
48 | 63a01ef8 | aliguori | #include <netinet/in.h> |
49 | 24646c7e | blueswir1 | #include <net/if.h> |
50 | 24646c7e | blueswir1 | #ifdef __NetBSD__
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51 | 24646c7e | blueswir1 | #include <net/if_tap.h> |
52 | 24646c7e | blueswir1 | #endif
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53 | 24646c7e | blueswir1 | #ifdef __linux__
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54 | 24646c7e | blueswir1 | #include <linux/if_tun.h> |
55 | 24646c7e | blueswir1 | #endif
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56 | 24646c7e | blueswir1 | #include <arpa/inet.h> |
57 | 63a01ef8 | aliguori | #include <dirent.h> |
58 | 63a01ef8 | aliguori | #include <netdb.h> |
59 | 63a01ef8 | aliguori | #include <sys/select.h> |
60 | 63a01ef8 | aliguori | #ifdef _BSD
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61 | 63a01ef8 | aliguori | #include <sys/stat.h> |
62 | 24646c7e | blueswir1 | #ifdef __FreeBSD__
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63 | 63a01ef8 | aliguori | #include <libutil.h> |
64 | 24646c7e | blueswir1 | #else
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65 | 24646c7e | blueswir1 | #include <util.h> |
66 | 63a01ef8 | aliguori | #endif
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67 | 63a01ef8 | aliguori | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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68 | 63a01ef8 | aliguori | #include <freebsd/stdlib.h> |
69 | 63a01ef8 | aliguori | #else
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70 | 63a01ef8 | aliguori | #ifdef __linux__
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71 | 63a01ef8 | aliguori | #include <pty.h> |
72 | 63a01ef8 | aliguori | #include <malloc.h> |
73 | 63a01ef8 | aliguori | #include <linux/rtc.h> |
74 | 63a01ef8 | aliguori | |
75 | 63a01ef8 | aliguori | /* For the benefit of older linux systems which don't supply it,
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76 | 63a01ef8 | aliguori | we use a local copy of hpet.h. */
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77 | 63a01ef8 | aliguori | /* #include <linux/hpet.h> */
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78 | 63a01ef8 | aliguori | #include "hpet.h" |
79 | 63a01ef8 | aliguori | |
80 | 63a01ef8 | aliguori | #include <linux/ppdev.h> |
81 | 63a01ef8 | aliguori | #include <linux/parport.h> |
82 | 63a01ef8 | aliguori | #endif
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83 | 63a01ef8 | aliguori | #ifdef __sun__
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84 | 63a01ef8 | aliguori | #include <sys/stat.h> |
85 | 63a01ef8 | aliguori | #include <sys/ethernet.h> |
86 | 63a01ef8 | aliguori | #include <sys/sockio.h> |
87 | 63a01ef8 | aliguori | #include <netinet/arp.h> |
88 | 63a01ef8 | aliguori | #include <netinet/in.h> |
89 | 63a01ef8 | aliguori | #include <netinet/in_systm.h> |
90 | 63a01ef8 | aliguori | #include <netinet/ip.h> |
91 | 63a01ef8 | aliguori | #include <netinet/ip_icmp.h> // must come after ip.h |
92 | 63a01ef8 | aliguori | #include <netinet/udp.h> |
93 | 63a01ef8 | aliguori | #include <netinet/tcp.h> |
94 | 63a01ef8 | aliguori | #include <net/if.h> |
95 | 63a01ef8 | aliguori | #include <syslog.h> |
96 | 63a01ef8 | aliguori | #include <stropts.h> |
97 | 63a01ef8 | aliguori | #endif
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98 | 63a01ef8 | aliguori | #endif
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99 | 63a01ef8 | aliguori | #endif
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100 | 63a01ef8 | aliguori | |
101 | 63a01ef8 | aliguori | #include "qemu_socket.h" |
102 | 63a01ef8 | aliguori | |
103 | 63a01ef8 | aliguori | #if defined(CONFIG_SLIRP)
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104 | 63a01ef8 | aliguori | #include "libslirp.h" |
105 | 63a01ef8 | aliguori | #endif
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106 | 63a01ef8 | aliguori | |
107 | 63a01ef8 | aliguori | #if defined(__OpenBSD__)
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108 | 63a01ef8 | aliguori | #include <util.h> |
109 | 63a01ef8 | aliguori | #endif
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110 | 63a01ef8 | aliguori | |
111 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
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112 | 63a01ef8 | aliguori | #include <libvdeplug.h> |
113 | 63a01ef8 | aliguori | #endif
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114 | 63a01ef8 | aliguori | |
115 | 63a01ef8 | aliguori | #ifdef _WIN32
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116 | 63a01ef8 | aliguori | #include <malloc.h> |
117 | 63a01ef8 | aliguori | #include <sys/timeb.h> |
118 | 63a01ef8 | aliguori | #include <mmsystem.h> |
119 | 63a01ef8 | aliguori | #define getopt_long_only getopt_long
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120 | 63a01ef8 | aliguori | #define memalign(align, size) malloc(size)
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121 | 63a01ef8 | aliguori | #endif
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122 | 63a01ef8 | aliguori | |
123 | 63a01ef8 | aliguori | static VLANState *first_vlan;
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124 | 63a01ef8 | aliguori | |
125 | 63a01ef8 | aliguori | /***********************************************************/
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126 | 63a01ef8 | aliguori | /* network device redirectors */
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127 | 63a01ef8 | aliguori | |
128 | 63a01ef8 | aliguori | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
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129 | 63a01ef8 | aliguori | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
130 | 63a01ef8 | aliguori | { |
131 | 63a01ef8 | aliguori | int len, i, j, c;
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132 | 63a01ef8 | aliguori | |
133 | 63a01ef8 | aliguori | for(i=0;i<size;i+=16) { |
134 | 63a01ef8 | aliguori | len = size - i; |
135 | 63a01ef8 | aliguori | if (len > 16) |
136 | 63a01ef8 | aliguori | len = 16;
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137 | 63a01ef8 | aliguori | fprintf(f, "%08x ", i);
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138 | 63a01ef8 | aliguori | for(j=0;j<16;j++) { |
139 | 63a01ef8 | aliguori | if (j < len)
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140 | 63a01ef8 | aliguori | fprintf(f, " %02x", buf[i+j]);
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141 | 63a01ef8 | aliguori | else
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142 | 63a01ef8 | aliguori | fprintf(f, " ");
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143 | 63a01ef8 | aliguori | } |
144 | 63a01ef8 | aliguori | fprintf(f, " ");
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145 | 63a01ef8 | aliguori | for(j=0;j<len;j++) { |
146 | 63a01ef8 | aliguori | c = buf[i+j]; |
147 | 63a01ef8 | aliguori | if (c < ' ' || c > '~') |
148 | 63a01ef8 | aliguori | c = '.';
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149 | 63a01ef8 | aliguori | fprintf(f, "%c", c);
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150 | 63a01ef8 | aliguori | } |
151 | 63a01ef8 | aliguori | fprintf(f, "\n");
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152 | 63a01ef8 | aliguori | } |
153 | 63a01ef8 | aliguori | } |
154 | 63a01ef8 | aliguori | #endif
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155 | 63a01ef8 | aliguori | |
156 | 63a01ef8 | aliguori | static int parse_macaddr(uint8_t *macaddr, const char *p) |
157 | 63a01ef8 | aliguori | { |
158 | 63a01ef8 | aliguori | int i;
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159 | 63a01ef8 | aliguori | char *last_char;
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160 | 63a01ef8 | aliguori | long int offset; |
161 | 63a01ef8 | aliguori | |
162 | 63a01ef8 | aliguori | errno = 0;
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163 | 63a01ef8 | aliguori | offset = strtol(p, &last_char, 0);
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164 | 63a01ef8 | aliguori | if (0 == errno && '\0' == *last_char && |
165 | 63a01ef8 | aliguori | offset >= 0 && offset <= 0xFFFFFF) { |
166 | 63a01ef8 | aliguori | macaddr[3] = (offset & 0xFF0000) >> 16; |
167 | 63a01ef8 | aliguori | macaddr[4] = (offset & 0xFF00) >> 8; |
168 | 63a01ef8 | aliguori | macaddr[5] = offset & 0xFF; |
169 | 63a01ef8 | aliguori | return 0; |
170 | 63a01ef8 | aliguori | } else {
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171 | 63a01ef8 | aliguori | for(i = 0; i < 6; i++) { |
172 | 63a01ef8 | aliguori | macaddr[i] = strtol(p, (char **)&p, 16); |
173 | 63a01ef8 | aliguori | if (i == 5) { |
174 | 63a01ef8 | aliguori | if (*p != '\0') |
175 | 63a01ef8 | aliguori | return -1; |
176 | 63a01ef8 | aliguori | } else {
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177 | 63a01ef8 | aliguori | if (*p != ':' && *p != '-') |
178 | 63a01ef8 | aliguori | return -1; |
179 | 63a01ef8 | aliguori | p++; |
180 | 63a01ef8 | aliguori | } |
181 | 63a01ef8 | aliguori | } |
182 | 63a01ef8 | aliguori | return 0; |
183 | 63a01ef8 | aliguori | } |
184 | 63a01ef8 | aliguori | |
185 | 63a01ef8 | aliguori | return -1; |
186 | 63a01ef8 | aliguori | } |
187 | 63a01ef8 | aliguori | |
188 | 63a01ef8 | aliguori | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
189 | 63a01ef8 | aliguori | { |
190 | 63a01ef8 | aliguori | const char *p, *p1; |
191 | 63a01ef8 | aliguori | int len;
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192 | 63a01ef8 | aliguori | p = *pp; |
193 | 63a01ef8 | aliguori | p1 = strchr(p, sep); |
194 | 63a01ef8 | aliguori | if (!p1)
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195 | 63a01ef8 | aliguori | return -1; |
196 | 63a01ef8 | aliguori | len = p1 - p; |
197 | 63a01ef8 | aliguori | p1++; |
198 | 63a01ef8 | aliguori | if (buf_size > 0) { |
199 | 63a01ef8 | aliguori | if (len > buf_size - 1) |
200 | 63a01ef8 | aliguori | len = buf_size - 1;
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201 | 63a01ef8 | aliguori | memcpy(buf, p, len); |
202 | 63a01ef8 | aliguori | buf[len] = '\0';
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203 | 63a01ef8 | aliguori | } |
204 | 63a01ef8 | aliguori | *pp = p1; |
205 | 63a01ef8 | aliguori | return 0; |
206 | 63a01ef8 | aliguori | } |
207 | 63a01ef8 | aliguori | |
208 | 63a01ef8 | aliguori | int parse_host_src_port(struct sockaddr_in *haddr, |
209 | 63a01ef8 | aliguori | struct sockaddr_in *saddr,
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210 | 63a01ef8 | aliguori | const char *input_str) |
211 | 63a01ef8 | aliguori | { |
212 | 63a01ef8 | aliguori | char *str = strdup(input_str);
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213 | 63a01ef8 | aliguori | char *host_str = str;
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214 | 63a01ef8 | aliguori | char *src_str;
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215 | 63a01ef8 | aliguori | const char *src_str2; |
216 | 63a01ef8 | aliguori | char *ptr;
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217 | 63a01ef8 | aliguori | |
218 | 63a01ef8 | aliguori | /*
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219 | 63a01ef8 | aliguori | * Chop off any extra arguments at the end of the string which
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220 | 63a01ef8 | aliguori | * would start with a comma, then fill in the src port information
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221 | 63a01ef8 | aliguori | * if it was provided else use the "any address" and "any port".
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222 | 63a01ef8 | aliguori | */
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223 | 63a01ef8 | aliguori | if ((ptr = strchr(str,','))) |
224 | 63a01ef8 | aliguori | *ptr = '\0';
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225 | 63a01ef8 | aliguori | |
226 | 63a01ef8 | aliguori | if ((src_str = strchr(input_str,'@'))) { |
227 | 63a01ef8 | aliguori | *src_str = '\0';
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228 | 63a01ef8 | aliguori | src_str++; |
229 | 63a01ef8 | aliguori | } |
230 | 63a01ef8 | aliguori | |
231 | 63a01ef8 | aliguori | if (parse_host_port(haddr, host_str) < 0) |
232 | 63a01ef8 | aliguori | goto fail;
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233 | 63a01ef8 | aliguori | |
234 | 63a01ef8 | aliguori | src_str2 = src_str; |
235 | 63a01ef8 | aliguori | if (!src_str || *src_str == '\0') |
236 | 63a01ef8 | aliguori | src_str2 = ":0";
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237 | 63a01ef8 | aliguori | |
238 | 63a01ef8 | aliguori | if (parse_host_port(saddr, src_str2) < 0) |
239 | 63a01ef8 | aliguori | goto fail;
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240 | 63a01ef8 | aliguori | |
241 | 63a01ef8 | aliguori | free(str); |
242 | 63a01ef8 | aliguori | return(0); |
243 | 63a01ef8 | aliguori | |
244 | 63a01ef8 | aliguori | fail:
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245 | 63a01ef8 | aliguori | free(str); |
246 | 63a01ef8 | aliguori | return -1; |
247 | 63a01ef8 | aliguori | } |
248 | 63a01ef8 | aliguori | |
249 | 63a01ef8 | aliguori | int parse_host_port(struct sockaddr_in *saddr, const char *str) |
250 | 63a01ef8 | aliguori | { |
251 | 63a01ef8 | aliguori | char buf[512]; |
252 | 63a01ef8 | aliguori | struct hostent *he;
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253 | 63a01ef8 | aliguori | const char *p, *r; |
254 | 63a01ef8 | aliguori | int port;
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255 | 63a01ef8 | aliguori | |
256 | 63a01ef8 | aliguori | p = str; |
257 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
258 | 63a01ef8 | aliguori | return -1; |
259 | 63a01ef8 | aliguori | saddr->sin_family = AF_INET; |
260 | 63a01ef8 | aliguori | if (buf[0] == '\0') { |
261 | 63a01ef8 | aliguori | saddr->sin_addr.s_addr = 0;
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262 | 63a01ef8 | aliguori | } else {
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263 | cd390083 | blueswir1 | if (qemu_isdigit(buf[0])) { |
264 | 63a01ef8 | aliguori | if (!inet_aton(buf, &saddr->sin_addr))
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265 | 63a01ef8 | aliguori | return -1; |
266 | 63a01ef8 | aliguori | } else {
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267 | 63a01ef8 | aliguori | if ((he = gethostbyname(buf)) == NULL) |
268 | 63a01ef8 | aliguori | return - 1; |
269 | 63a01ef8 | aliguori | saddr->sin_addr = *(struct in_addr *)he->h_addr;
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270 | 63a01ef8 | aliguori | } |
271 | 63a01ef8 | aliguori | } |
272 | 63a01ef8 | aliguori | port = strtol(p, (char **)&r, 0); |
273 | 63a01ef8 | aliguori | if (r == p)
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274 | 63a01ef8 | aliguori | return -1; |
275 | 63a01ef8 | aliguori | saddr->sin_port = htons(port); |
276 | 63a01ef8 | aliguori | return 0; |
277 | 63a01ef8 | aliguori | } |
278 | 63a01ef8 | aliguori | |
279 | 69d6451c | blueswir1 | #if !defined(_WIN32) && 0 |
280 | 69d6451c | blueswir1 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) |
281 | 63a01ef8 | aliguori | { |
282 | 63a01ef8 | aliguori | const char *p; |
283 | 63a01ef8 | aliguori | int len;
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284 | 63a01ef8 | aliguori | |
285 | 63a01ef8 | aliguori | len = MIN(108, strlen(str));
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286 | 63a01ef8 | aliguori | p = strchr(str, ',');
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287 | 63a01ef8 | aliguori | if (p)
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288 | 63a01ef8 | aliguori | len = MIN(len, p - str); |
289 | 63a01ef8 | aliguori | |
290 | 63a01ef8 | aliguori | memset(uaddr, 0, sizeof(*uaddr)); |
291 | 63a01ef8 | aliguori | |
292 | 63a01ef8 | aliguori | uaddr->sun_family = AF_UNIX; |
293 | 63a01ef8 | aliguori | memcpy(uaddr->sun_path, str, len); |
294 | 63a01ef8 | aliguori | |
295 | 63a01ef8 | aliguori | return 0; |
296 | 63a01ef8 | aliguori | } |
297 | 63a01ef8 | aliguori | #endif
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298 | 63a01ef8 | aliguori | |
299 | 7cb7434b | aliguori | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
300 | 7cb7434b | aliguori | { |
301 | 7cb7434b | aliguori | snprintf(vc->info_str, sizeof(vc->info_str),
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302 | 7cb7434b | aliguori | "macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
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303 | 7cb7434b | aliguori | macaddr[0], macaddr[1], macaddr[2], |
304 | 7cb7434b | aliguori | macaddr[3], macaddr[4], macaddr[5]); |
305 | 7cb7434b | aliguori | } |
306 | 7cb7434b | aliguori | |
307 | 676cff29 | aliguori | static char *assign_name(VLANClientState *vc1, const char *model) |
308 | 676cff29 | aliguori | { |
309 | 676cff29 | aliguori | VLANState *vlan; |
310 | 676cff29 | aliguori | char buf[256]; |
311 | 676cff29 | aliguori | int id = 0; |
312 | 676cff29 | aliguori | |
313 | 676cff29 | aliguori | for (vlan = first_vlan; vlan; vlan = vlan->next) {
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314 | 676cff29 | aliguori | VLANClientState *vc; |
315 | 676cff29 | aliguori | |
316 | 676cff29 | aliguori | for (vc = vlan->first_client; vc; vc = vc->next)
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317 | 676cff29 | aliguori | if (vc != vc1 && strcmp(vc->model, model) == 0) |
318 | 676cff29 | aliguori | id++; |
319 | 676cff29 | aliguori | } |
320 | 676cff29 | aliguori | |
321 | 676cff29 | aliguori | snprintf(buf, sizeof(buf), "%s.%d", model, id); |
322 | 676cff29 | aliguori | |
323 | 676cff29 | aliguori | return strdup(buf);
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324 | 676cff29 | aliguori | } |
325 | 676cff29 | aliguori | |
326 | 63a01ef8 | aliguori | VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
327 | bf38c1a0 | aliguori | const char *model, |
328 | 63a01ef8 | aliguori | IOReadHandler *fd_read, |
329 | 63a01ef8 | aliguori | IOCanRWHandler *fd_can_read, |
330 | 63a01ef8 | aliguori | void *opaque)
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331 | 63a01ef8 | aliguori | { |
332 | 63a01ef8 | aliguori | VLANClientState *vc, **pvc; |
333 | 63a01ef8 | aliguori | vc = qemu_mallocz(sizeof(VLANClientState));
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334 | 63a01ef8 | aliguori | if (!vc)
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335 | 63a01ef8 | aliguori | return NULL; |
336 | bf38c1a0 | aliguori | vc->model = strdup(model); |
337 | 676cff29 | aliguori | vc->name = assign_name(vc, model); |
338 | 63a01ef8 | aliguori | vc->fd_read = fd_read; |
339 | 63a01ef8 | aliguori | vc->fd_can_read = fd_can_read; |
340 | 63a01ef8 | aliguori | vc->opaque = opaque; |
341 | 63a01ef8 | aliguori | vc->vlan = vlan; |
342 | 63a01ef8 | aliguori | |
343 | 63a01ef8 | aliguori | vc->next = NULL;
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344 | 63a01ef8 | aliguori | pvc = &vlan->first_client; |
345 | 63a01ef8 | aliguori | while (*pvc != NULL) |
346 | 63a01ef8 | aliguori | pvc = &(*pvc)->next; |
347 | 63a01ef8 | aliguori | *pvc = vc; |
348 | 63a01ef8 | aliguori | return vc;
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349 | 63a01ef8 | aliguori | } |
350 | 63a01ef8 | aliguori | |
351 | 63a01ef8 | aliguori | void qemu_del_vlan_client(VLANClientState *vc)
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352 | 63a01ef8 | aliguori | { |
353 | 63a01ef8 | aliguori | VLANClientState **pvc = &vc->vlan->first_client; |
354 | 63a01ef8 | aliguori | |
355 | 63a01ef8 | aliguori | while (*pvc != NULL) |
356 | 63a01ef8 | aliguori | if (*pvc == vc) {
|
357 | 63a01ef8 | aliguori | *pvc = vc->next; |
358 | 676cff29 | aliguori | free(vc->name); |
359 | bf38c1a0 | aliguori | free(vc->model); |
360 | 63a01ef8 | aliguori | free(vc); |
361 | 63a01ef8 | aliguori | break;
|
362 | 63a01ef8 | aliguori | } else
|
363 | 63a01ef8 | aliguori | pvc = &(*pvc)->next; |
364 | 63a01ef8 | aliguori | } |
365 | 63a01ef8 | aliguori | |
366 | 63a01ef8 | aliguori | int qemu_can_send_packet(VLANClientState *vc1)
|
367 | 63a01ef8 | aliguori | { |
368 | 63a01ef8 | aliguori | VLANState *vlan = vc1->vlan; |
369 | 63a01ef8 | aliguori | VLANClientState *vc; |
370 | 63a01ef8 | aliguori | |
371 | 63a01ef8 | aliguori | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
372 | 63a01ef8 | aliguori | if (vc != vc1) {
|
373 | 63a01ef8 | aliguori | if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
|
374 | 63a01ef8 | aliguori | return 1; |
375 | 63a01ef8 | aliguori | } |
376 | 63a01ef8 | aliguori | } |
377 | 63a01ef8 | aliguori | return 0; |
378 | 63a01ef8 | aliguori | } |
379 | 63a01ef8 | aliguori | |
380 | 63a01ef8 | aliguori | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
381 | 63a01ef8 | aliguori | { |
382 | 63a01ef8 | aliguori | VLANState *vlan = vc1->vlan; |
383 | 63a01ef8 | aliguori | VLANClientState *vc; |
384 | 63a01ef8 | aliguori | |
385 | 63a01ef8 | aliguori | #ifdef DEBUG_NET
|
386 | 63a01ef8 | aliguori | printf("vlan %d send:\n", vlan->id);
|
387 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
388 | 63a01ef8 | aliguori | #endif
|
389 | 63a01ef8 | aliguori | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
390 | 63a01ef8 | aliguori | if (vc != vc1) {
|
391 | 63a01ef8 | aliguori | vc->fd_read(vc->opaque, buf, size); |
392 | 63a01ef8 | aliguori | } |
393 | 63a01ef8 | aliguori | } |
394 | 63a01ef8 | aliguori | } |
395 | 63a01ef8 | aliguori | |
396 | fbe78f4f | aliguori | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
397 | fbe78f4f | aliguori | int iovcnt)
|
398 | fbe78f4f | aliguori | { |
399 | fbe78f4f | aliguori | uint8_t buffer[4096];
|
400 | fbe78f4f | aliguori | size_t offset = 0;
|
401 | fbe78f4f | aliguori | int i;
|
402 | fbe78f4f | aliguori | |
403 | fbe78f4f | aliguori | for (i = 0; i < iovcnt; i++) { |
404 | fbe78f4f | aliguori | size_t len; |
405 | fbe78f4f | aliguori | |
406 | fbe78f4f | aliguori | len = MIN(sizeof(buffer) - offset, iov[i].iov_len);
|
407 | fbe78f4f | aliguori | memcpy(buffer + offset, iov[i].iov_base, len); |
408 | fbe78f4f | aliguori | offset += len; |
409 | fbe78f4f | aliguori | } |
410 | fbe78f4f | aliguori | |
411 | fbe78f4f | aliguori | vc->fd_read(vc->opaque, buffer, offset); |
412 | fbe78f4f | aliguori | |
413 | fbe78f4f | aliguori | return offset;
|
414 | fbe78f4f | aliguori | } |
415 | fbe78f4f | aliguori | |
416 | fbe78f4f | aliguori | ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov, |
417 | fbe78f4f | aliguori | int iovcnt)
|
418 | fbe78f4f | aliguori | { |
419 | fbe78f4f | aliguori | VLANState *vlan = vc1->vlan; |
420 | fbe78f4f | aliguori | VLANClientState *vc; |
421 | fbe78f4f | aliguori | ssize_t max_len = 0;
|
422 | fbe78f4f | aliguori | |
423 | fbe78f4f | aliguori | for (vc = vlan->first_client; vc != NULL; vc = vc->next) { |
424 | fbe78f4f | aliguori | ssize_t len = 0;
|
425 | fbe78f4f | aliguori | |
426 | fbe78f4f | aliguori | if (vc == vc1)
|
427 | fbe78f4f | aliguori | continue;
|
428 | fbe78f4f | aliguori | |
429 | fbe78f4f | aliguori | if (vc->fd_readv)
|
430 | fbe78f4f | aliguori | len = vc->fd_readv(vc->opaque, iov, iovcnt); |
431 | fbe78f4f | aliguori | else if (vc->fd_read) |
432 | fbe78f4f | aliguori | len = vc_sendv_compat(vc, iov, iovcnt); |
433 | fbe78f4f | aliguori | |
434 | fbe78f4f | aliguori | max_len = MAX(max_len, len); |
435 | fbe78f4f | aliguori | } |
436 | fbe78f4f | aliguori | |
437 | fbe78f4f | aliguori | return max_len;
|
438 | fbe78f4f | aliguori | } |
439 | fbe78f4f | aliguori | |
440 | 63a01ef8 | aliguori | #if defined(CONFIG_SLIRP)
|
441 | 63a01ef8 | aliguori | |
442 | 63a01ef8 | aliguori | /* slirp network adapter */
|
443 | 63a01ef8 | aliguori | |
444 | 63a01ef8 | aliguori | static int slirp_inited; |
445 | 63a01ef8 | aliguori | static VLANClientState *slirp_vc;
|
446 | 63a01ef8 | aliguori | |
447 | 63a01ef8 | aliguori | int slirp_can_output(void) |
448 | 63a01ef8 | aliguori | { |
449 | 63a01ef8 | aliguori | return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
450 | 63a01ef8 | aliguori | } |
451 | 63a01ef8 | aliguori | |
452 | 63a01ef8 | aliguori | void slirp_output(const uint8_t *pkt, int pkt_len) |
453 | 63a01ef8 | aliguori | { |
454 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
455 | 63a01ef8 | aliguori | printf("slirp output:\n");
|
456 | 63a01ef8 | aliguori | hex_dump(stdout, pkt, pkt_len); |
457 | 63a01ef8 | aliguori | #endif
|
458 | 63a01ef8 | aliguori | if (!slirp_vc)
|
459 | 63a01ef8 | aliguori | return;
|
460 | 63a01ef8 | aliguori | qemu_send_packet(slirp_vc, pkt, pkt_len); |
461 | 63a01ef8 | aliguori | } |
462 | 63a01ef8 | aliguori | |
463 | 63a01ef8 | aliguori | int slirp_is_inited(void) |
464 | 63a01ef8 | aliguori | { |
465 | 63a01ef8 | aliguori | return slirp_inited;
|
466 | 63a01ef8 | aliguori | } |
467 | 63a01ef8 | aliguori | |
468 | 63a01ef8 | aliguori | static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
469 | 63a01ef8 | aliguori | { |
470 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
471 | 63a01ef8 | aliguori | printf("slirp input:\n");
|
472 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
473 | 63a01ef8 | aliguori | #endif
|
474 | 63a01ef8 | aliguori | slirp_input(buf, size); |
475 | 63a01ef8 | aliguori | } |
476 | 63a01ef8 | aliguori | |
477 | bf38c1a0 | aliguori | static int net_slirp_init(VLANState *vlan, const char *model) |
478 | 63a01ef8 | aliguori | { |
479 | 63a01ef8 | aliguori | if (!slirp_inited) {
|
480 | 63a01ef8 | aliguori | slirp_inited = 1;
|
481 | 63a01ef8 | aliguori | slirp_init(); |
482 | 63a01ef8 | aliguori | } |
483 | bf38c1a0 | aliguori | slirp_vc = qemu_new_vlan_client(vlan, model, |
484 | 63a01ef8 | aliguori | slirp_receive, NULL, NULL); |
485 | 7cb7434b | aliguori | slirp_vc->info_str[0] = '\0'; |
486 | 63a01ef8 | aliguori | return 0; |
487 | 63a01ef8 | aliguori | } |
488 | 63a01ef8 | aliguori | |
489 | 63a01ef8 | aliguori | void net_slirp_redir(const char *redir_str) |
490 | 63a01ef8 | aliguori | { |
491 | 63a01ef8 | aliguori | int is_udp;
|
492 | 63a01ef8 | aliguori | char buf[256], *r; |
493 | 63a01ef8 | aliguori | const char *p; |
494 | 63a01ef8 | aliguori | struct in_addr guest_addr;
|
495 | 63a01ef8 | aliguori | int host_port, guest_port;
|
496 | 63a01ef8 | aliguori | |
497 | 63a01ef8 | aliguori | if (!slirp_inited) {
|
498 | 63a01ef8 | aliguori | slirp_inited = 1;
|
499 | 63a01ef8 | aliguori | slirp_init(); |
500 | 63a01ef8 | aliguori | } |
501 | 63a01ef8 | aliguori | |
502 | 63a01ef8 | aliguori | p = redir_str; |
503 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
504 | 63a01ef8 | aliguori | goto fail;
|
505 | 63a01ef8 | aliguori | if (!strcmp(buf, "tcp")) { |
506 | 63a01ef8 | aliguori | is_udp = 0;
|
507 | 63a01ef8 | aliguori | } else if (!strcmp(buf, "udp")) { |
508 | 63a01ef8 | aliguori | is_udp = 1;
|
509 | 63a01ef8 | aliguori | } else {
|
510 | 63a01ef8 | aliguori | goto fail;
|
511 | 63a01ef8 | aliguori | } |
512 | 63a01ef8 | aliguori | |
513 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
514 | 63a01ef8 | aliguori | goto fail;
|
515 | 63a01ef8 | aliguori | host_port = strtol(buf, &r, 0);
|
516 | 63a01ef8 | aliguori | if (r == buf)
|
517 | 63a01ef8 | aliguori | goto fail;
|
518 | 63a01ef8 | aliguori | |
519 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
520 | 63a01ef8 | aliguori | goto fail;
|
521 | 63a01ef8 | aliguori | if (buf[0] == '\0') { |
522 | 63a01ef8 | aliguori | pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
523 | 63a01ef8 | aliguori | } |
524 | 63a01ef8 | aliguori | if (!inet_aton(buf, &guest_addr))
|
525 | 63a01ef8 | aliguori | goto fail;
|
526 | 63a01ef8 | aliguori | |
527 | 63a01ef8 | aliguori | guest_port = strtol(p, &r, 0);
|
528 | 63a01ef8 | aliguori | if (r == p)
|
529 | 63a01ef8 | aliguori | goto fail;
|
530 | 63a01ef8 | aliguori | |
531 | 63a01ef8 | aliguori | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
532 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: could not set up redirection\n");
|
533 | 63a01ef8 | aliguori | exit(1);
|
534 | 63a01ef8 | aliguori | } |
535 | 63a01ef8 | aliguori | return;
|
536 | 63a01ef8 | aliguori | fail:
|
537 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
538 | 63a01ef8 | aliguori | exit(1);
|
539 | 63a01ef8 | aliguori | } |
540 | 63a01ef8 | aliguori | |
541 | 63a01ef8 | aliguori | #ifndef _WIN32
|
542 | 63a01ef8 | aliguori | |
543 | 63a01ef8 | aliguori | static char smb_dir[1024]; |
544 | 63a01ef8 | aliguori | |
545 | 63a01ef8 | aliguori | static void erase_dir(char *dir_name) |
546 | 63a01ef8 | aliguori | { |
547 | 63a01ef8 | aliguori | DIR *d; |
548 | 63a01ef8 | aliguori | struct dirent *de;
|
549 | 63a01ef8 | aliguori | char filename[1024]; |
550 | 63a01ef8 | aliguori | |
551 | 63a01ef8 | aliguori | /* erase all the files in the directory */
|
552 | 63a01ef8 | aliguori | if ((d = opendir(dir_name)) != 0) { |
553 | 63a01ef8 | aliguori | for(;;) {
|
554 | 63a01ef8 | aliguori | de = readdir(d); |
555 | 63a01ef8 | aliguori | if (!de)
|
556 | 63a01ef8 | aliguori | break;
|
557 | 63a01ef8 | aliguori | if (strcmp(de->d_name, ".") != 0 && |
558 | 63a01ef8 | aliguori | strcmp(de->d_name, "..") != 0) { |
559 | 63a01ef8 | aliguori | snprintf(filename, sizeof(filename), "%s/%s", |
560 | 63a01ef8 | aliguori | smb_dir, de->d_name); |
561 | 63a01ef8 | aliguori | if (unlink(filename) != 0) /* is it a directory? */ |
562 | 63a01ef8 | aliguori | erase_dir(filename); |
563 | 63a01ef8 | aliguori | } |
564 | 63a01ef8 | aliguori | } |
565 | 63a01ef8 | aliguori | closedir(d); |
566 | 63a01ef8 | aliguori | rmdir(dir_name); |
567 | 63a01ef8 | aliguori | } |
568 | 63a01ef8 | aliguori | } |
569 | 63a01ef8 | aliguori | |
570 | 63a01ef8 | aliguori | /* automatic user mode samba server configuration */
|
571 | 63a01ef8 | aliguori | static void smb_exit(void) |
572 | 63a01ef8 | aliguori | { |
573 | 63a01ef8 | aliguori | erase_dir(smb_dir); |
574 | 63a01ef8 | aliguori | } |
575 | 63a01ef8 | aliguori | |
576 | 63a01ef8 | aliguori | /* automatic user mode samba server configuration */
|
577 | 63a01ef8 | aliguori | void net_slirp_smb(const char *exported_dir) |
578 | 63a01ef8 | aliguori | { |
579 | 63a01ef8 | aliguori | char smb_conf[1024]; |
580 | 63a01ef8 | aliguori | char smb_cmdline[1024]; |
581 | 63a01ef8 | aliguori | FILE *f; |
582 | 63a01ef8 | aliguori | |
583 | 63a01ef8 | aliguori | if (!slirp_inited) {
|
584 | 63a01ef8 | aliguori | slirp_inited = 1;
|
585 | 63a01ef8 | aliguori | slirp_init(); |
586 | 63a01ef8 | aliguori | } |
587 | 63a01ef8 | aliguori | |
588 | 63a01ef8 | aliguori | /* XXX: better tmp dir construction */
|
589 | 63a01ef8 | aliguori | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
590 | 63a01ef8 | aliguori | if (mkdir(smb_dir, 0700) < 0) { |
591 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
592 | 63a01ef8 | aliguori | exit(1);
|
593 | 63a01ef8 | aliguori | } |
594 | 63a01ef8 | aliguori | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
595 | 63a01ef8 | aliguori | |
596 | 63a01ef8 | aliguori | f = fopen(smb_conf, "w");
|
597 | 63a01ef8 | aliguori | if (!f) {
|
598 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
599 | 63a01ef8 | aliguori | exit(1);
|
600 | 63a01ef8 | aliguori | } |
601 | 63a01ef8 | aliguori | fprintf(f, |
602 | 63a01ef8 | aliguori | "[global]\n"
|
603 | 63a01ef8 | aliguori | "private dir=%s\n"
|
604 | 63a01ef8 | aliguori | "smb ports=0\n"
|
605 | 63a01ef8 | aliguori | "socket address=127.0.0.1\n"
|
606 | 63a01ef8 | aliguori | "pid directory=%s\n"
|
607 | 63a01ef8 | aliguori | "lock directory=%s\n"
|
608 | 63a01ef8 | aliguori | "log file=%s/log.smbd\n"
|
609 | 63a01ef8 | aliguori | "smb passwd file=%s/smbpasswd\n"
|
610 | 63a01ef8 | aliguori | "security = share\n"
|
611 | 63a01ef8 | aliguori | "[qemu]\n"
|
612 | 63a01ef8 | aliguori | "path=%s\n"
|
613 | 63a01ef8 | aliguori | "read only=no\n"
|
614 | 63a01ef8 | aliguori | "guest ok=yes\n",
|
615 | 63a01ef8 | aliguori | smb_dir, |
616 | 63a01ef8 | aliguori | smb_dir, |
617 | 63a01ef8 | aliguori | smb_dir, |
618 | 63a01ef8 | aliguori | smb_dir, |
619 | 63a01ef8 | aliguori | smb_dir, |
620 | 63a01ef8 | aliguori | exported_dir |
621 | 63a01ef8 | aliguori | ); |
622 | 63a01ef8 | aliguori | fclose(f); |
623 | 63a01ef8 | aliguori | atexit(smb_exit); |
624 | 63a01ef8 | aliguori | |
625 | 63a01ef8 | aliguori | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
626 | 63a01ef8 | aliguori | SMBD_COMMAND, smb_conf); |
627 | 63a01ef8 | aliguori | |
628 | 63a01ef8 | aliguori | slirp_add_exec(0, smb_cmdline, 4, 139); |
629 | 63a01ef8 | aliguori | } |
630 | 63a01ef8 | aliguori | |
631 | 63a01ef8 | aliguori | #endif /* !defined(_WIN32) */ |
632 | 63a01ef8 | aliguori | void do_info_slirp(void) |
633 | 63a01ef8 | aliguori | { |
634 | 63a01ef8 | aliguori | slirp_stats(); |
635 | 63a01ef8 | aliguori | } |
636 | 63a01ef8 | aliguori | |
637 | 63a01ef8 | aliguori | #endif /* CONFIG_SLIRP */ |
638 | 63a01ef8 | aliguori | |
639 | 63a01ef8 | aliguori | #if !defined(_WIN32)
|
640 | 63a01ef8 | aliguori | |
641 | 63a01ef8 | aliguori | typedef struct TAPState { |
642 | 63a01ef8 | aliguori | VLANClientState *vc; |
643 | 63a01ef8 | aliguori | int fd;
|
644 | 63a01ef8 | aliguori | char down_script[1024]; |
645 | 63a01ef8 | aliguori | } TAPState; |
646 | 63a01ef8 | aliguori | |
647 | b535b7b2 | aliguori | #ifdef HAVE_IOVEC
|
648 | b535b7b2 | aliguori | static ssize_t tap_receive_iov(void *opaque, const struct iovec *iov, |
649 | b535b7b2 | aliguori | int iovcnt)
|
650 | b535b7b2 | aliguori | { |
651 | b535b7b2 | aliguori | TAPState *s = opaque; |
652 | b535b7b2 | aliguori | ssize_t len; |
653 | b535b7b2 | aliguori | |
654 | b535b7b2 | aliguori | do {
|
655 | b535b7b2 | aliguori | len = writev(s->fd, iov, iovcnt); |
656 | b535b7b2 | aliguori | } while (len == -1 && (errno == EINTR || errno == EAGAIN)); |
657 | b535b7b2 | aliguori | |
658 | b535b7b2 | aliguori | return len;
|
659 | b535b7b2 | aliguori | } |
660 | b535b7b2 | aliguori | #endif
|
661 | b535b7b2 | aliguori | |
662 | 63a01ef8 | aliguori | static void tap_receive(void *opaque, const uint8_t *buf, int size) |
663 | 63a01ef8 | aliguori | { |
664 | 63a01ef8 | aliguori | TAPState *s = opaque; |
665 | 63a01ef8 | aliguori | int ret;
|
666 | 63a01ef8 | aliguori | for(;;) {
|
667 | 63a01ef8 | aliguori | ret = write(s->fd, buf, size); |
668 | 63a01ef8 | aliguori | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
669 | 63a01ef8 | aliguori | } else {
|
670 | 63a01ef8 | aliguori | break;
|
671 | 63a01ef8 | aliguori | } |
672 | 63a01ef8 | aliguori | } |
673 | 63a01ef8 | aliguori | } |
674 | 63a01ef8 | aliguori | |
675 | 63a01ef8 | aliguori | static void tap_send(void *opaque) |
676 | 63a01ef8 | aliguori | { |
677 | 63a01ef8 | aliguori | TAPState *s = opaque; |
678 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
679 | 63a01ef8 | aliguori | int size;
|
680 | 63a01ef8 | aliguori | |
681 | 63a01ef8 | aliguori | #ifdef __sun__
|
682 | 63a01ef8 | aliguori | struct strbuf sbuf;
|
683 | 63a01ef8 | aliguori | int f = 0; |
684 | 63a01ef8 | aliguori | sbuf.maxlen = sizeof(buf);
|
685 | 63a01ef8 | aliguori | sbuf.buf = buf; |
686 | 63a01ef8 | aliguori | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; |
687 | 63a01ef8 | aliguori | #else
|
688 | 63a01ef8 | aliguori | size = read(s->fd, buf, sizeof(buf));
|
689 | 63a01ef8 | aliguori | #endif
|
690 | 63a01ef8 | aliguori | if (size > 0) { |
691 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, buf, size); |
692 | 63a01ef8 | aliguori | } |
693 | 63a01ef8 | aliguori | } |
694 | 63a01ef8 | aliguori | |
695 | 63a01ef8 | aliguori | /* fd support */
|
696 | 63a01ef8 | aliguori | |
697 | bf38c1a0 | aliguori | static TAPState *net_tap_fd_init(VLANState *vlan, const char *model, int fd) |
698 | 63a01ef8 | aliguori | { |
699 | 63a01ef8 | aliguori | TAPState *s; |
700 | 63a01ef8 | aliguori | |
701 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(TAPState));
|
702 | 63a01ef8 | aliguori | if (!s)
|
703 | 63a01ef8 | aliguori | return NULL; |
704 | 63a01ef8 | aliguori | s->fd = fd; |
705 | bf38c1a0 | aliguori | s->vc = qemu_new_vlan_client(vlan, model, tap_receive, NULL, s);
|
706 | b535b7b2 | aliguori | #ifdef HAVE_IOVEC
|
707 | b535b7b2 | aliguori | s->vc->fd_readv = tap_receive_iov; |
708 | b535b7b2 | aliguori | #endif
|
709 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
710 | 7cb7434b | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); |
711 | 63a01ef8 | aliguori | return s;
|
712 | 63a01ef8 | aliguori | } |
713 | 63a01ef8 | aliguori | |
714 | 63a01ef8 | aliguori | #if defined (_BSD) || defined (__FreeBSD_kernel__)
|
715 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
716 | 63a01ef8 | aliguori | { |
717 | 63a01ef8 | aliguori | int fd;
|
718 | 63a01ef8 | aliguori | char *dev;
|
719 | 63a01ef8 | aliguori | struct stat s;
|
720 | 63a01ef8 | aliguori | |
721 | 63a01ef8 | aliguori | TFR(fd = open("/dev/tap", O_RDWR));
|
722 | 63a01ef8 | aliguori | if (fd < 0) { |
723 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
724 | 63a01ef8 | aliguori | return -1; |
725 | 63a01ef8 | aliguori | } |
726 | 63a01ef8 | aliguori | |
727 | 63a01ef8 | aliguori | fstat(fd, &s); |
728 | 63a01ef8 | aliguori | dev = devname(s.st_rdev, S_IFCHR); |
729 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
730 | 63a01ef8 | aliguori | |
731 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
732 | 63a01ef8 | aliguori | return fd;
|
733 | 63a01ef8 | aliguori | } |
734 | 63a01ef8 | aliguori | #elif defined(__sun__)
|
735 | 63a01ef8 | aliguori | #define TUNNEWPPA (('T'<<16) | 0x0001) |
736 | 63a01ef8 | aliguori | /*
|
737 | 63a01ef8 | aliguori | * Allocate TAP device, returns opened fd.
|
738 | 63a01ef8 | aliguori | * Stores dev name in the first arg(must be large enough).
|
739 | 63a01ef8 | aliguori | */
|
740 | 63a01ef8 | aliguori | int tap_alloc(char *dev, size_t dev_size) |
741 | 63a01ef8 | aliguori | { |
742 | 63a01ef8 | aliguori | int tap_fd, if_fd, ppa = -1; |
743 | 63a01ef8 | aliguori | static int ip_fd = 0; |
744 | 63a01ef8 | aliguori | char *ptr;
|
745 | 63a01ef8 | aliguori | |
746 | 63a01ef8 | aliguori | static int arp_fd = 0; |
747 | 63a01ef8 | aliguori | int ip_muxid, arp_muxid;
|
748 | 63a01ef8 | aliguori | struct strioctl strioc_if, strioc_ppa;
|
749 | 63a01ef8 | aliguori | int link_type = I_PLINK;;
|
750 | 63a01ef8 | aliguori | struct lifreq ifr;
|
751 | 63a01ef8 | aliguori | char actual_name[32] = ""; |
752 | 63a01ef8 | aliguori | |
753 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
754 | 63a01ef8 | aliguori | |
755 | 63a01ef8 | aliguori | if( *dev ){
|
756 | 63a01ef8 | aliguori | ptr = dev; |
757 | 47398b9c | blueswir1 | while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++; |
758 | 63a01ef8 | aliguori | ppa = atoi(ptr); |
759 | 63a01ef8 | aliguori | } |
760 | 63a01ef8 | aliguori | |
761 | 63a01ef8 | aliguori | /* Check if IP device was opened */
|
762 | 63a01ef8 | aliguori | if( ip_fd )
|
763 | 63a01ef8 | aliguori | close(ip_fd); |
764 | 63a01ef8 | aliguori | |
765 | 63a01ef8 | aliguori | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
766 | 63a01ef8 | aliguori | if (ip_fd < 0) { |
767 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
|
768 | 63a01ef8 | aliguori | return -1; |
769 | 63a01ef8 | aliguori | } |
770 | 63a01ef8 | aliguori | |
771 | 63a01ef8 | aliguori | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
772 | 63a01ef8 | aliguori | if (tap_fd < 0) { |
773 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap");
|
774 | 63a01ef8 | aliguori | return -1; |
775 | 63a01ef8 | aliguori | } |
776 | 63a01ef8 | aliguori | |
777 | 63a01ef8 | aliguori | /* Assign a new PPA and get its unit number. */
|
778 | 63a01ef8 | aliguori | strioc_ppa.ic_cmd = TUNNEWPPA; |
779 | 63a01ef8 | aliguori | strioc_ppa.ic_timout = 0;
|
780 | 63a01ef8 | aliguori | strioc_ppa.ic_len = sizeof(ppa);
|
781 | 63a01ef8 | aliguori | strioc_ppa.ic_dp = (char *)&ppa;
|
782 | 63a01ef8 | aliguori | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
783 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't assign new interface");
|
784 | 63a01ef8 | aliguori | |
785 | 63a01ef8 | aliguori | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
786 | 63a01ef8 | aliguori | if (if_fd < 0) { |
787 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap (2)");
|
788 | 63a01ef8 | aliguori | return -1; |
789 | 63a01ef8 | aliguori | } |
790 | 63a01ef8 | aliguori | if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
791 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't push IP module");
|
792 | 63a01ef8 | aliguori | return -1; |
793 | 63a01ef8 | aliguori | } |
794 | 63a01ef8 | aliguori | |
795 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
796 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't get flags\n");
|
797 | 63a01ef8 | aliguori | |
798 | 63a01ef8 | aliguori | snprintf (actual_name, 32, "tap%d", ppa); |
799 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
800 | 63a01ef8 | aliguori | |
801 | 63a01ef8 | aliguori | ifr.lifr_ppa = ppa; |
802 | 63a01ef8 | aliguori | /* Assign ppa according to the unit number returned by tun device */
|
803 | 63a01ef8 | aliguori | |
804 | 63a01ef8 | aliguori | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
805 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set PPA %d", ppa);
|
806 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
807 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't get flags\n");
|
808 | 63a01ef8 | aliguori | /* Push arp module to if_fd */
|
809 | 63a01ef8 | aliguori | if (ioctl (if_fd, I_PUSH, "arp") < 0) |
810 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (2)");
|
811 | 63a01ef8 | aliguori | |
812 | 63a01ef8 | aliguori | /* Push arp module to ip_fd */
|
813 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_POP, NULL) < 0) |
814 | 63a01ef8 | aliguori | syslog (LOG_ERR, "I_POP failed\n");
|
815 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
816 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (3)\n");
|
817 | 63a01ef8 | aliguori | /* Open arp_fd */
|
818 | 63a01ef8 | aliguori | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
819 | 63a01ef8 | aliguori | if (arp_fd < 0) |
820 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
821 | 63a01ef8 | aliguori | |
822 | 63a01ef8 | aliguori | /* Set ifname to arp */
|
823 | 63a01ef8 | aliguori | strioc_if.ic_cmd = SIOCSLIFNAME; |
824 | 63a01ef8 | aliguori | strioc_if.ic_timout = 0;
|
825 | 63a01ef8 | aliguori | strioc_if.ic_len = sizeof(ifr);
|
826 | 63a01ef8 | aliguori | strioc_if.ic_dp = (char *)𝔦
|
827 | 63a01ef8 | aliguori | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
828 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set ifname to arp\n");
|
829 | 63a01ef8 | aliguori | } |
830 | 63a01ef8 | aliguori | |
831 | 63a01ef8 | aliguori | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
832 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't link TAP device to IP");
|
833 | 63a01ef8 | aliguori | return -1; |
834 | 63a01ef8 | aliguori | } |
835 | 63a01ef8 | aliguori | |
836 | 63a01ef8 | aliguori | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
837 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't link TAP device to ARP");
|
838 | 63a01ef8 | aliguori | |
839 | 63a01ef8 | aliguori | close (if_fd); |
840 | 63a01ef8 | aliguori | |
841 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
842 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
843 | 63a01ef8 | aliguori | ifr.lifr_ip_muxid = ip_muxid; |
844 | 63a01ef8 | aliguori | ifr.lifr_arp_muxid = arp_muxid; |
845 | 63a01ef8 | aliguori | |
846 | 63a01ef8 | aliguori | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
847 | 63a01ef8 | aliguori | { |
848 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK , arp_muxid); |
849 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK, ip_muxid); |
850 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set multiplexor id");
|
851 | 63a01ef8 | aliguori | } |
852 | 63a01ef8 | aliguori | |
853 | 63a01ef8 | aliguori | snprintf(dev, dev_size, "tap%d", ppa);
|
854 | 63a01ef8 | aliguori | return tap_fd;
|
855 | 63a01ef8 | aliguori | } |
856 | 63a01ef8 | aliguori | |
857 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
858 | 63a01ef8 | aliguori | { |
859 | 63a01ef8 | aliguori | char dev[10]=""; |
860 | 63a01ef8 | aliguori | int fd;
|
861 | 63a01ef8 | aliguori | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ |
862 | 63a01ef8 | aliguori | fprintf(stderr, "Cannot allocate TAP device\n");
|
863 | 63a01ef8 | aliguori | return -1; |
864 | 63a01ef8 | aliguori | } |
865 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
866 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
867 | 63a01ef8 | aliguori | return fd;
|
868 | 63a01ef8 | aliguori | } |
869 | b29fe3ed | malc | #elif defined (_AIX)
|
870 | b29fe3ed | malc | static int tap_open(char *ifname, int ifname_size) |
871 | b29fe3ed | malc | { |
872 | b29fe3ed | malc | fprintf (stderr, "no tap on AIX\n");
|
873 | b29fe3ed | malc | return -1; |
874 | b29fe3ed | malc | } |
875 | 63a01ef8 | aliguori | #else
|
876 | 63a01ef8 | aliguori | static int tap_open(char *ifname, int ifname_size) |
877 | 63a01ef8 | aliguori | { |
878 | 63a01ef8 | aliguori | struct ifreq ifr;
|
879 | 63a01ef8 | aliguori | int fd, ret;
|
880 | 63a01ef8 | aliguori | |
881 | 63a01ef8 | aliguori | TFR(fd = open("/dev/net/tun", O_RDWR));
|
882 | 63a01ef8 | aliguori | if (fd < 0) { |
883 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
884 | 63a01ef8 | aliguori | return -1; |
885 | 63a01ef8 | aliguori | } |
886 | 63a01ef8 | aliguori | memset(&ifr, 0, sizeof(ifr)); |
887 | 63a01ef8 | aliguori | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
888 | 63a01ef8 | aliguori | if (ifname[0] != '\0') |
889 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
890 | 63a01ef8 | aliguori | else
|
891 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
892 | 63a01ef8 | aliguori | ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
893 | 63a01ef8 | aliguori | if (ret != 0) { |
894 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
895 | 63a01ef8 | aliguori | close(fd); |
896 | 63a01ef8 | aliguori | return -1; |
897 | 63a01ef8 | aliguori | } |
898 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
899 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
900 | 63a01ef8 | aliguori | return fd;
|
901 | 63a01ef8 | aliguori | } |
902 | 63a01ef8 | aliguori | #endif
|
903 | 63a01ef8 | aliguori | |
904 | 63a01ef8 | aliguori | static int launch_script(const char *setup_script, const char *ifname, int fd) |
905 | 63a01ef8 | aliguori | { |
906 | 63a01ef8 | aliguori | int pid, status;
|
907 | 63a01ef8 | aliguori | char *args[3]; |
908 | 63a01ef8 | aliguori | char **parg;
|
909 | 63a01ef8 | aliguori | |
910 | 63a01ef8 | aliguori | /* try to launch network script */
|
911 | 63a01ef8 | aliguori | pid = fork(); |
912 | 63a01ef8 | aliguori | if (pid >= 0) { |
913 | 63a01ef8 | aliguori | if (pid == 0) { |
914 | 63a01ef8 | aliguori | int open_max = sysconf (_SC_OPEN_MAX), i;
|
915 | 63a01ef8 | aliguori | for (i = 0; i < open_max; i++) |
916 | 63a01ef8 | aliguori | if (i != STDIN_FILENO &&
|
917 | 63a01ef8 | aliguori | i != STDOUT_FILENO && |
918 | 63a01ef8 | aliguori | i != STDERR_FILENO && |
919 | 63a01ef8 | aliguori | i != fd) |
920 | 63a01ef8 | aliguori | close(i); |
921 | 63a01ef8 | aliguori | |
922 | 63a01ef8 | aliguori | parg = args; |
923 | 63a01ef8 | aliguori | *parg++ = (char *)setup_script;
|
924 | 63a01ef8 | aliguori | *parg++ = (char *)ifname;
|
925 | 63a01ef8 | aliguori | *parg++ = NULL;
|
926 | 63a01ef8 | aliguori | execv(setup_script, args); |
927 | 63a01ef8 | aliguori | _exit(1);
|
928 | 63a01ef8 | aliguori | } |
929 | 63a01ef8 | aliguori | while (waitpid(pid, &status, 0) != pid); |
930 | 63a01ef8 | aliguori | if (!WIFEXITED(status) ||
|
931 | 63a01ef8 | aliguori | WEXITSTATUS(status) != 0) {
|
932 | 63a01ef8 | aliguori | fprintf(stderr, "%s: could not launch network script\n",
|
933 | 63a01ef8 | aliguori | setup_script); |
934 | 63a01ef8 | aliguori | return -1; |
935 | 63a01ef8 | aliguori | } |
936 | 63a01ef8 | aliguori | } |
937 | 63a01ef8 | aliguori | return 0; |
938 | 63a01ef8 | aliguori | } |
939 | 63a01ef8 | aliguori | |
940 | bf38c1a0 | aliguori | static int net_tap_init(VLANState *vlan, const char *model, const char *ifname1, |
941 | 63a01ef8 | aliguori | const char *setup_script, const char *down_script) |
942 | 63a01ef8 | aliguori | { |
943 | 63a01ef8 | aliguori | TAPState *s; |
944 | 63a01ef8 | aliguori | int fd;
|
945 | 63a01ef8 | aliguori | char ifname[128]; |
946 | 63a01ef8 | aliguori | |
947 | 63a01ef8 | aliguori | if (ifname1 != NULL) |
948 | 63a01ef8 | aliguori | pstrcpy(ifname, sizeof(ifname), ifname1);
|
949 | 63a01ef8 | aliguori | else
|
950 | 63a01ef8 | aliguori | ifname[0] = '\0'; |
951 | 63a01ef8 | aliguori | TFR(fd = tap_open(ifname, sizeof(ifname)));
|
952 | 63a01ef8 | aliguori | if (fd < 0) |
953 | 63a01ef8 | aliguori | return -1; |
954 | 63a01ef8 | aliguori | |
955 | 63a01ef8 | aliguori | if (!setup_script || !strcmp(setup_script, "no")) |
956 | 63a01ef8 | aliguori | setup_script = "";
|
957 | 63a01ef8 | aliguori | if (setup_script[0] != '\0') { |
958 | 63a01ef8 | aliguori | if (launch_script(setup_script, ifname, fd))
|
959 | 63a01ef8 | aliguori | return -1; |
960 | 63a01ef8 | aliguori | } |
961 | bf38c1a0 | aliguori | s = net_tap_fd_init(vlan, model, fd); |
962 | 63a01ef8 | aliguori | if (!s)
|
963 | 63a01ef8 | aliguori | return -1; |
964 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
965 | 7cb7434b | aliguori | "ifname=%s,script=%s,downscript=%s",
|
966 | 7cb7434b | aliguori | ifname, setup_script, down_script); |
967 | 63a01ef8 | aliguori | if (down_script && strcmp(down_script, "no")) |
968 | 63a01ef8 | aliguori | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
969 | 63a01ef8 | aliguori | return 0; |
970 | 63a01ef8 | aliguori | } |
971 | 63a01ef8 | aliguori | |
972 | 63a01ef8 | aliguori | #endif /* !_WIN32 */ |
973 | 63a01ef8 | aliguori | |
974 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
|
975 | 63a01ef8 | aliguori | typedef struct VDEState { |
976 | 63a01ef8 | aliguori | VLANClientState *vc; |
977 | 63a01ef8 | aliguori | VDECONN *vde; |
978 | 63a01ef8 | aliguori | } VDEState; |
979 | 63a01ef8 | aliguori | |
980 | 63a01ef8 | aliguori | static void vde_to_qemu(void *opaque) |
981 | 63a01ef8 | aliguori | { |
982 | 63a01ef8 | aliguori | VDEState *s = opaque; |
983 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
984 | 63a01ef8 | aliguori | int size;
|
985 | 63a01ef8 | aliguori | |
986 | 63a01ef8 | aliguori | size = vde_recv(s->vde, buf, sizeof(buf), 0); |
987 | 63a01ef8 | aliguori | if (size > 0) { |
988 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, buf, size); |
989 | 63a01ef8 | aliguori | } |
990 | 63a01ef8 | aliguori | } |
991 | 63a01ef8 | aliguori | |
992 | 63a01ef8 | aliguori | static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) |
993 | 63a01ef8 | aliguori | { |
994 | 63a01ef8 | aliguori | VDEState *s = opaque; |
995 | 63a01ef8 | aliguori | int ret;
|
996 | 63a01ef8 | aliguori | for(;;) {
|
997 | 63a01ef8 | aliguori | ret = vde_send(s->vde, buf, size, 0);
|
998 | 63a01ef8 | aliguori | if (ret < 0 && errno == EINTR) { |
999 | 63a01ef8 | aliguori | } else {
|
1000 | 63a01ef8 | aliguori | break;
|
1001 | 63a01ef8 | aliguori | } |
1002 | 63a01ef8 | aliguori | } |
1003 | 63a01ef8 | aliguori | } |
1004 | 63a01ef8 | aliguori | |
1005 | bf38c1a0 | aliguori | static int net_vde_init(VLANState *vlan, const char *model, const char *sock, |
1006 | bf38c1a0 | aliguori | int port, const char *group, int mode) |
1007 | 63a01ef8 | aliguori | { |
1008 | 63a01ef8 | aliguori | VDEState *s; |
1009 | 63a01ef8 | aliguori | char *init_group = strlen(group) ? (char *)group : NULL; |
1010 | 63a01ef8 | aliguori | char *init_sock = strlen(sock) ? (char *)sock : NULL; |
1011 | 63a01ef8 | aliguori | |
1012 | 63a01ef8 | aliguori | struct vde_open_args args = {
|
1013 | 63a01ef8 | aliguori | .port = port, |
1014 | 63a01ef8 | aliguori | .group = init_group, |
1015 | 63a01ef8 | aliguori | .mode = mode, |
1016 | 63a01ef8 | aliguori | }; |
1017 | 63a01ef8 | aliguori | |
1018 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(VDEState));
|
1019 | 63a01ef8 | aliguori | if (!s)
|
1020 | 63a01ef8 | aliguori | return -1; |
1021 | 63a01ef8 | aliguori | s->vde = vde_open(init_sock, "QEMU", &args);
|
1022 | 63a01ef8 | aliguori | if (!s->vde){
|
1023 | 63a01ef8 | aliguori | free(s); |
1024 | 63a01ef8 | aliguori | return -1; |
1025 | 63a01ef8 | aliguori | } |
1026 | bf38c1a0 | aliguori | s->vc = qemu_new_vlan_client(vlan, model, vde_from_qemu, NULL, s);
|
1027 | 63a01ef8 | aliguori | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
|
1028 | 7cb7434b | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d", |
1029 | 63a01ef8 | aliguori | sock, vde_datafd(s->vde)); |
1030 | 63a01ef8 | aliguori | return 0; |
1031 | 63a01ef8 | aliguori | } |
1032 | 63a01ef8 | aliguori | #endif
|
1033 | 63a01ef8 | aliguori | |
1034 | 63a01ef8 | aliguori | /* network connection */
|
1035 | 63a01ef8 | aliguori | typedef struct NetSocketState { |
1036 | 63a01ef8 | aliguori | VLANClientState *vc; |
1037 | 63a01ef8 | aliguori | int fd;
|
1038 | 63a01ef8 | aliguori | int state; /* 0 = getting length, 1 = getting data */ |
1039 | 63a01ef8 | aliguori | int index;
|
1040 | 63a01ef8 | aliguori | int packet_len;
|
1041 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
1042 | 63a01ef8 | aliguori | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
1043 | 63a01ef8 | aliguori | } NetSocketState; |
1044 | 63a01ef8 | aliguori | |
1045 | 63a01ef8 | aliguori | typedef struct NetSocketListenState { |
1046 | 63a01ef8 | aliguori | VLANState *vlan; |
1047 | bf38c1a0 | aliguori | char *model;
|
1048 | 63a01ef8 | aliguori | int fd;
|
1049 | 63a01ef8 | aliguori | } NetSocketListenState; |
1050 | 63a01ef8 | aliguori | |
1051 | 63a01ef8 | aliguori | /* XXX: we consider we can send the whole packet without blocking */
|
1052 | 63a01ef8 | aliguori | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
1053 | 63a01ef8 | aliguori | { |
1054 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1055 | 63a01ef8 | aliguori | uint32_t len; |
1056 | 63a01ef8 | aliguori | len = htonl(size); |
1057 | 63a01ef8 | aliguori | |
1058 | 63a01ef8 | aliguori | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
1059 | 63a01ef8 | aliguori | send_all(s->fd, buf, size); |
1060 | 63a01ef8 | aliguori | } |
1061 | 63a01ef8 | aliguori | |
1062 | 63a01ef8 | aliguori | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
1063 | 63a01ef8 | aliguori | { |
1064 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1065 | 63a01ef8 | aliguori | sendto(s->fd, buf, size, 0,
|
1066 | 63a01ef8 | aliguori | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
1067 | 63a01ef8 | aliguori | } |
1068 | 63a01ef8 | aliguori | |
1069 | 63a01ef8 | aliguori | static void net_socket_send(void *opaque) |
1070 | 63a01ef8 | aliguori | { |
1071 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1072 | 63a01ef8 | aliguori | int l, size, err;
|
1073 | 63a01ef8 | aliguori | uint8_t buf1[4096];
|
1074 | 63a01ef8 | aliguori | const uint8_t *buf;
|
1075 | 63a01ef8 | aliguori | |
1076 | 63a01ef8 | aliguori | size = recv(s->fd, buf1, sizeof(buf1), 0); |
1077 | 63a01ef8 | aliguori | if (size < 0) { |
1078 | 63a01ef8 | aliguori | err = socket_error(); |
1079 | 63a01ef8 | aliguori | if (err != EWOULDBLOCK)
|
1080 | 63a01ef8 | aliguori | goto eoc;
|
1081 | 63a01ef8 | aliguori | } else if (size == 0) { |
1082 | 63a01ef8 | aliguori | /* end of connection */
|
1083 | 63a01ef8 | aliguori | eoc:
|
1084 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1085 | 63a01ef8 | aliguori | closesocket(s->fd); |
1086 | 63a01ef8 | aliguori | return;
|
1087 | 63a01ef8 | aliguori | } |
1088 | 63a01ef8 | aliguori | buf = buf1; |
1089 | 63a01ef8 | aliguori | while (size > 0) { |
1090 | 63a01ef8 | aliguori | /* reassemble a packet from the network */
|
1091 | 63a01ef8 | aliguori | switch(s->state) {
|
1092 | 63a01ef8 | aliguori | case 0: |
1093 | 63a01ef8 | aliguori | l = 4 - s->index;
|
1094 | 63a01ef8 | aliguori | if (l > size)
|
1095 | 63a01ef8 | aliguori | l = size; |
1096 | 63a01ef8 | aliguori | memcpy(s->buf + s->index, buf, l); |
1097 | 63a01ef8 | aliguori | buf += l; |
1098 | 63a01ef8 | aliguori | size -= l; |
1099 | 63a01ef8 | aliguori | s->index += l; |
1100 | 63a01ef8 | aliguori | if (s->index == 4) { |
1101 | 63a01ef8 | aliguori | /* got length */
|
1102 | 63a01ef8 | aliguori | s->packet_len = ntohl(*(uint32_t *)s->buf); |
1103 | 63a01ef8 | aliguori | s->index = 0;
|
1104 | 63a01ef8 | aliguori | s->state = 1;
|
1105 | 63a01ef8 | aliguori | } |
1106 | 63a01ef8 | aliguori | break;
|
1107 | 63a01ef8 | aliguori | case 1: |
1108 | 63a01ef8 | aliguori | l = s->packet_len - s->index; |
1109 | 63a01ef8 | aliguori | if (l > size)
|
1110 | 63a01ef8 | aliguori | l = size; |
1111 | 63a01ef8 | aliguori | memcpy(s->buf + s->index, buf, l); |
1112 | 63a01ef8 | aliguori | s->index += l; |
1113 | 63a01ef8 | aliguori | buf += l; |
1114 | 63a01ef8 | aliguori | size -= l; |
1115 | 63a01ef8 | aliguori | if (s->index >= s->packet_len) {
|
1116 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, s->packet_len); |
1117 | 63a01ef8 | aliguori | s->index = 0;
|
1118 | 63a01ef8 | aliguori | s->state = 0;
|
1119 | 63a01ef8 | aliguori | } |
1120 | 63a01ef8 | aliguori | break;
|
1121 | 63a01ef8 | aliguori | } |
1122 | 63a01ef8 | aliguori | } |
1123 | 63a01ef8 | aliguori | } |
1124 | 63a01ef8 | aliguori | |
1125 | 63a01ef8 | aliguori | static void net_socket_send_dgram(void *opaque) |
1126 | 63a01ef8 | aliguori | { |
1127 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1128 | 63a01ef8 | aliguori | int size;
|
1129 | 63a01ef8 | aliguori | |
1130 | 63a01ef8 | aliguori | size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
1131 | 63a01ef8 | aliguori | if (size < 0) |
1132 | 63a01ef8 | aliguori | return;
|
1133 | 63a01ef8 | aliguori | if (size == 0) { |
1134 | 63a01ef8 | aliguori | /* end of connection */
|
1135 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1136 | 63a01ef8 | aliguori | return;
|
1137 | 63a01ef8 | aliguori | } |
1138 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, size); |
1139 | 63a01ef8 | aliguori | } |
1140 | 63a01ef8 | aliguori | |
1141 | 63a01ef8 | aliguori | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
1142 | 63a01ef8 | aliguori | { |
1143 | 63a01ef8 | aliguori | struct ip_mreq imr;
|
1144 | 63a01ef8 | aliguori | int fd;
|
1145 | 63a01ef8 | aliguori | int val, ret;
|
1146 | 63a01ef8 | aliguori | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
1147 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
1148 | 63a01ef8 | aliguori | inet_ntoa(mcastaddr->sin_addr), |
1149 | 63a01ef8 | aliguori | (int)ntohl(mcastaddr->sin_addr.s_addr));
|
1150 | 63a01ef8 | aliguori | return -1; |
1151 | 63a01ef8 | aliguori | |
1152 | 63a01ef8 | aliguori | } |
1153 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_DGRAM, 0);
|
1154 | 63a01ef8 | aliguori | if (fd < 0) { |
1155 | 63a01ef8 | aliguori | perror("socket(PF_INET, SOCK_DGRAM)");
|
1156 | 63a01ef8 | aliguori | return -1; |
1157 | 63a01ef8 | aliguori | } |
1158 | 63a01ef8 | aliguori | |
1159 | 63a01ef8 | aliguori | val = 1;
|
1160 | 63a01ef8 | aliguori | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
1161 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
1162 | 63a01ef8 | aliguori | if (ret < 0) { |
1163 | 63a01ef8 | aliguori | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
1164 | 63a01ef8 | aliguori | goto fail;
|
1165 | 63a01ef8 | aliguori | } |
1166 | 63a01ef8 | aliguori | |
1167 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
1168 | 63a01ef8 | aliguori | if (ret < 0) { |
1169 | 63a01ef8 | aliguori | perror("bind");
|
1170 | 63a01ef8 | aliguori | goto fail;
|
1171 | 63a01ef8 | aliguori | } |
1172 | 63a01ef8 | aliguori | |
1173 | 63a01ef8 | aliguori | /* Add host to multicast group */
|
1174 | 63a01ef8 | aliguori | imr.imr_multiaddr = mcastaddr->sin_addr; |
1175 | 63a01ef8 | aliguori | imr.imr_interface.s_addr = htonl(INADDR_ANY); |
1176 | 63a01ef8 | aliguori | |
1177 | 63a01ef8 | aliguori | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
1178 | 63a01ef8 | aliguori | (const char *)&imr, sizeof(struct ip_mreq)); |
1179 | 63a01ef8 | aliguori | if (ret < 0) { |
1180 | 63a01ef8 | aliguori | perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
1181 | 63a01ef8 | aliguori | goto fail;
|
1182 | 63a01ef8 | aliguori | } |
1183 | 63a01ef8 | aliguori | |
1184 | 63a01ef8 | aliguori | /* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
1185 | 63a01ef8 | aliguori | val = 1;
|
1186 | 63a01ef8 | aliguori | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
1187 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
1188 | 63a01ef8 | aliguori | if (ret < 0) { |
1189 | 63a01ef8 | aliguori | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
1190 | 63a01ef8 | aliguori | goto fail;
|
1191 | 63a01ef8 | aliguori | } |
1192 | 63a01ef8 | aliguori | |
1193 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
1194 | 63a01ef8 | aliguori | return fd;
|
1195 | 63a01ef8 | aliguori | fail:
|
1196 | 63a01ef8 | aliguori | if (fd >= 0) |
1197 | 63a01ef8 | aliguori | closesocket(fd); |
1198 | 63a01ef8 | aliguori | return -1; |
1199 | 63a01ef8 | aliguori | } |
1200 | 63a01ef8 | aliguori | |
1201 | bf38c1a0 | aliguori | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, const char *model, |
1202 | bf38c1a0 | aliguori | int fd, int is_connected) |
1203 | 63a01ef8 | aliguori | { |
1204 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1205 | 63a01ef8 | aliguori | int newfd;
|
1206 | 63a01ef8 | aliguori | socklen_t saddr_len; |
1207 | 63a01ef8 | aliguori | NetSocketState *s; |
1208 | 63a01ef8 | aliguori | |
1209 | 63a01ef8 | aliguori | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
1210 | 63a01ef8 | aliguori | * Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
1211 | 63a01ef8 | aliguori | * by ONLY ONE process: we must "clone" this dgram socket --jjo
|
1212 | 63a01ef8 | aliguori | */
|
1213 | 63a01ef8 | aliguori | |
1214 | 63a01ef8 | aliguori | if (is_connected) {
|
1215 | 63a01ef8 | aliguori | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
1216 | 63a01ef8 | aliguori | /* must be bound */
|
1217 | 63a01ef8 | aliguori | if (saddr.sin_addr.s_addr==0) { |
1218 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
1219 | 63a01ef8 | aliguori | fd); |
1220 | 63a01ef8 | aliguori | return NULL; |
1221 | 63a01ef8 | aliguori | } |
1222 | 63a01ef8 | aliguori | /* clone dgram socket */
|
1223 | 63a01ef8 | aliguori | newfd = net_socket_mcast_create(&saddr); |
1224 | 63a01ef8 | aliguori | if (newfd < 0) { |
1225 | 63a01ef8 | aliguori | /* error already reported by net_socket_mcast_create() */
|
1226 | 63a01ef8 | aliguori | close(fd); |
1227 | 63a01ef8 | aliguori | return NULL; |
1228 | 63a01ef8 | aliguori | } |
1229 | 63a01ef8 | aliguori | /* clone newfd to fd, close newfd */
|
1230 | 63a01ef8 | aliguori | dup2(newfd, fd); |
1231 | 63a01ef8 | aliguori | close(newfd); |
1232 | 63a01ef8 | aliguori | |
1233 | 63a01ef8 | aliguori | } else {
|
1234 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
1235 | 63a01ef8 | aliguori | fd, strerror(errno)); |
1236 | 63a01ef8 | aliguori | return NULL; |
1237 | 63a01ef8 | aliguori | } |
1238 | 63a01ef8 | aliguori | } |
1239 | 63a01ef8 | aliguori | |
1240 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
1241 | 63a01ef8 | aliguori | if (!s)
|
1242 | 63a01ef8 | aliguori | return NULL; |
1243 | 63a01ef8 | aliguori | s->fd = fd; |
1244 | 63a01ef8 | aliguori | |
1245 | bf38c1a0 | aliguori | s->vc = qemu_new_vlan_client(vlan, model, net_socket_receive_dgram, NULL, s);
|
1246 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
1247 | 63a01ef8 | aliguori | |
1248 | 63a01ef8 | aliguori | /* mcast: save bound address as dst */
|
1249 | 63a01ef8 | aliguori | if (is_connected) s->dgram_dst=saddr;
|
1250 | 63a01ef8 | aliguori | |
1251 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
1252 | 63a01ef8 | aliguori | "socket: fd=%d (%s mcast=%s:%d)",
|
1253 | 63a01ef8 | aliguori | fd, is_connected? "cloned" : "", |
1254 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
1255 | 63a01ef8 | aliguori | return s;
|
1256 | 63a01ef8 | aliguori | } |
1257 | 63a01ef8 | aliguori | |
1258 | 63a01ef8 | aliguori | static void net_socket_connect(void *opaque) |
1259 | 63a01ef8 | aliguori | { |
1260 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
1261 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
1262 | 63a01ef8 | aliguori | } |
1263 | 63a01ef8 | aliguori | |
1264 | bf38c1a0 | aliguori | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, const char *model, |
1265 | bf38c1a0 | aliguori | int fd, int is_connected) |
1266 | 63a01ef8 | aliguori | { |
1267 | 63a01ef8 | aliguori | NetSocketState *s; |
1268 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
1269 | 63a01ef8 | aliguori | if (!s)
|
1270 | 63a01ef8 | aliguori | return NULL; |
1271 | 63a01ef8 | aliguori | s->fd = fd; |
1272 | bf38c1a0 | aliguori | s->vc = qemu_new_vlan_client(vlan, model, |
1273 | 63a01ef8 | aliguori | net_socket_receive, NULL, s);
|
1274 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
1275 | 63a01ef8 | aliguori | "socket: fd=%d", fd);
|
1276 | 63a01ef8 | aliguori | if (is_connected) {
|
1277 | 63a01ef8 | aliguori | net_socket_connect(s); |
1278 | 63a01ef8 | aliguori | } else {
|
1279 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
1280 | 63a01ef8 | aliguori | } |
1281 | 63a01ef8 | aliguori | return s;
|
1282 | 63a01ef8 | aliguori | } |
1283 | 63a01ef8 | aliguori | |
1284 | bf38c1a0 | aliguori | static NetSocketState *net_socket_fd_init(VLANState *vlan, const char *model, |
1285 | bf38c1a0 | aliguori | int fd, int is_connected) |
1286 | 63a01ef8 | aliguori | { |
1287 | 63a01ef8 | aliguori | int so_type=-1, optlen=sizeof(so_type); |
1288 | 63a01ef8 | aliguori | |
1289 | 63a01ef8 | aliguori | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
1290 | 63a01ef8 | aliguori | (socklen_t *)&optlen)< 0) {
|
1291 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
1292 | 63a01ef8 | aliguori | return NULL; |
1293 | 63a01ef8 | aliguori | } |
1294 | 63a01ef8 | aliguori | switch(so_type) {
|
1295 | 63a01ef8 | aliguori | case SOCK_DGRAM:
|
1296 | bf38c1a0 | aliguori | return net_socket_fd_init_dgram(vlan, model, fd, is_connected);
|
1297 | 63a01ef8 | aliguori | case SOCK_STREAM:
|
1298 | bf38c1a0 | aliguori | return net_socket_fd_init_stream(vlan, model, fd, is_connected);
|
1299 | 63a01ef8 | aliguori | default:
|
1300 | 63a01ef8 | aliguori | /* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
1301 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
1302 | bf38c1a0 | aliguori | return net_socket_fd_init_stream(vlan, model, fd, is_connected);
|
1303 | 63a01ef8 | aliguori | } |
1304 | 63a01ef8 | aliguori | return NULL; |
1305 | 63a01ef8 | aliguori | } |
1306 | 63a01ef8 | aliguori | |
1307 | 63a01ef8 | aliguori | static void net_socket_accept(void *opaque) |
1308 | 63a01ef8 | aliguori | { |
1309 | 63a01ef8 | aliguori | NetSocketListenState *s = opaque; |
1310 | 63a01ef8 | aliguori | NetSocketState *s1; |
1311 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1312 | 63a01ef8 | aliguori | socklen_t len; |
1313 | 63a01ef8 | aliguori | int fd;
|
1314 | 63a01ef8 | aliguori | |
1315 | 63a01ef8 | aliguori | for(;;) {
|
1316 | 63a01ef8 | aliguori | len = sizeof(saddr);
|
1317 | 63a01ef8 | aliguori | fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
1318 | 63a01ef8 | aliguori | if (fd < 0 && errno != EINTR) { |
1319 | 63a01ef8 | aliguori | return;
|
1320 | 63a01ef8 | aliguori | } else if (fd >= 0) { |
1321 | 63a01ef8 | aliguori | break;
|
1322 | 63a01ef8 | aliguori | } |
1323 | 63a01ef8 | aliguori | } |
1324 | bf38c1a0 | aliguori | s1 = net_socket_fd_init(s->vlan, s->model, fd, 1);
|
1325 | 63a01ef8 | aliguori | if (!s1) {
|
1326 | 63a01ef8 | aliguori | closesocket(fd); |
1327 | 63a01ef8 | aliguori | } else {
|
1328 | 63a01ef8 | aliguori | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
1329 | 63a01ef8 | aliguori | "socket: connection from %s:%d",
|
1330 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
1331 | 63a01ef8 | aliguori | } |
1332 | 63a01ef8 | aliguori | } |
1333 | 63a01ef8 | aliguori | |
1334 | bf38c1a0 | aliguori | static int net_socket_listen_init(VLANState *vlan, const char *model, |
1335 | bf38c1a0 | aliguori | const char *host_str) |
1336 | 63a01ef8 | aliguori | { |
1337 | 63a01ef8 | aliguori | NetSocketListenState *s; |
1338 | 63a01ef8 | aliguori | int fd, val, ret;
|
1339 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1340 | 63a01ef8 | aliguori | |
1341 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
1342 | 63a01ef8 | aliguori | return -1; |
1343 | 63a01ef8 | aliguori | |
1344 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketListenState));
|
1345 | 63a01ef8 | aliguori | if (!s)
|
1346 | 63a01ef8 | aliguori | return -1; |
1347 | 63a01ef8 | aliguori | |
1348 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
1349 | 63a01ef8 | aliguori | if (fd < 0) { |
1350 | 63a01ef8 | aliguori | perror("socket");
|
1351 | 63a01ef8 | aliguori | return -1; |
1352 | 63a01ef8 | aliguori | } |
1353 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
1354 | 63a01ef8 | aliguori | |
1355 | 63a01ef8 | aliguori | /* allow fast reuse */
|
1356 | 63a01ef8 | aliguori | val = 1;
|
1357 | 63a01ef8 | aliguori | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
1358 | 63a01ef8 | aliguori | |
1359 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
1360 | 63a01ef8 | aliguori | if (ret < 0) { |
1361 | 63a01ef8 | aliguori | perror("bind");
|
1362 | 63a01ef8 | aliguori | return -1; |
1363 | 63a01ef8 | aliguori | } |
1364 | 63a01ef8 | aliguori | ret = listen(fd, 0);
|
1365 | 63a01ef8 | aliguori | if (ret < 0) { |
1366 | 63a01ef8 | aliguori | perror("listen");
|
1367 | 63a01ef8 | aliguori | return -1; |
1368 | 63a01ef8 | aliguori | } |
1369 | 63a01ef8 | aliguori | s->vlan = vlan; |
1370 | bf38c1a0 | aliguori | s->model = strdup(model); |
1371 | 63a01ef8 | aliguori | s->fd = fd; |
1372 | 63a01ef8 | aliguori | qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
1373 | 63a01ef8 | aliguori | return 0; |
1374 | 63a01ef8 | aliguori | } |
1375 | 63a01ef8 | aliguori | |
1376 | bf38c1a0 | aliguori | static int net_socket_connect_init(VLANState *vlan, const char *model, |
1377 | bf38c1a0 | aliguori | const char *host_str) |
1378 | 63a01ef8 | aliguori | { |
1379 | 63a01ef8 | aliguori | NetSocketState *s; |
1380 | 63a01ef8 | aliguori | int fd, connected, ret, err;
|
1381 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1382 | 63a01ef8 | aliguori | |
1383 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
1384 | 63a01ef8 | aliguori | return -1; |
1385 | 63a01ef8 | aliguori | |
1386 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
1387 | 63a01ef8 | aliguori | if (fd < 0) { |
1388 | 63a01ef8 | aliguori | perror("socket");
|
1389 | 63a01ef8 | aliguori | return -1; |
1390 | 63a01ef8 | aliguori | } |
1391 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
1392 | 63a01ef8 | aliguori | |
1393 | 63a01ef8 | aliguori | connected = 0;
|
1394 | 63a01ef8 | aliguori | for(;;) {
|
1395 | 63a01ef8 | aliguori | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
1396 | 63a01ef8 | aliguori | if (ret < 0) { |
1397 | 63a01ef8 | aliguori | err = socket_error(); |
1398 | 63a01ef8 | aliguori | if (err == EINTR || err == EWOULDBLOCK) {
|
1399 | 63a01ef8 | aliguori | } else if (err == EINPROGRESS) { |
1400 | 63a01ef8 | aliguori | break;
|
1401 | 63a01ef8 | aliguori | #ifdef _WIN32
|
1402 | 63a01ef8 | aliguori | } else if (err == WSAEALREADY) { |
1403 | 63a01ef8 | aliguori | break;
|
1404 | 63a01ef8 | aliguori | #endif
|
1405 | 63a01ef8 | aliguori | } else {
|
1406 | 63a01ef8 | aliguori | perror("connect");
|
1407 | 63a01ef8 | aliguori | closesocket(fd); |
1408 | 63a01ef8 | aliguori | return -1; |
1409 | 63a01ef8 | aliguori | } |
1410 | 63a01ef8 | aliguori | } else {
|
1411 | 63a01ef8 | aliguori | connected = 1;
|
1412 | 63a01ef8 | aliguori | break;
|
1413 | 63a01ef8 | aliguori | } |
1414 | 63a01ef8 | aliguori | } |
1415 | bf38c1a0 | aliguori | s = net_socket_fd_init(vlan, model, fd, connected); |
1416 | 63a01ef8 | aliguori | if (!s)
|
1417 | 63a01ef8 | aliguori | return -1; |
1418 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
1419 | 63a01ef8 | aliguori | "socket: connect to %s:%d",
|
1420 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
1421 | 63a01ef8 | aliguori | return 0; |
1422 | 63a01ef8 | aliguori | } |
1423 | 63a01ef8 | aliguori | |
1424 | bf38c1a0 | aliguori | static int net_socket_mcast_init(VLANState *vlan, const char *model, |
1425 | bf38c1a0 | aliguori | const char *host_str) |
1426 | 63a01ef8 | aliguori | { |
1427 | 63a01ef8 | aliguori | NetSocketState *s; |
1428 | 63a01ef8 | aliguori | int fd;
|
1429 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
1430 | 63a01ef8 | aliguori | |
1431 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
1432 | 63a01ef8 | aliguori | return -1; |
1433 | 63a01ef8 | aliguori | |
1434 | 63a01ef8 | aliguori | |
1435 | 63a01ef8 | aliguori | fd = net_socket_mcast_create(&saddr); |
1436 | 63a01ef8 | aliguori | if (fd < 0) |
1437 | 63a01ef8 | aliguori | return -1; |
1438 | 63a01ef8 | aliguori | |
1439 | bf38c1a0 | aliguori | s = net_socket_fd_init(vlan, model, fd, 0);
|
1440 | 63a01ef8 | aliguori | if (!s)
|
1441 | 63a01ef8 | aliguori | return -1; |
1442 | 63a01ef8 | aliguori | |
1443 | 63a01ef8 | aliguori | s->dgram_dst = saddr; |
1444 | 63a01ef8 | aliguori | |
1445 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
1446 | 63a01ef8 | aliguori | "socket: mcast=%s:%d",
|
1447 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
1448 | 63a01ef8 | aliguori | return 0; |
1449 | 63a01ef8 | aliguori | |
1450 | 63a01ef8 | aliguori | } |
1451 | 63a01ef8 | aliguori | |
1452 | 63a01ef8 | aliguori | /* find or alloc a new VLAN */
|
1453 | 63a01ef8 | aliguori | VLANState *qemu_find_vlan(int id)
|
1454 | 63a01ef8 | aliguori | { |
1455 | 63a01ef8 | aliguori | VLANState **pvlan, *vlan; |
1456 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
1457 | 63a01ef8 | aliguori | if (vlan->id == id)
|
1458 | 63a01ef8 | aliguori | return vlan;
|
1459 | 63a01ef8 | aliguori | } |
1460 | 63a01ef8 | aliguori | vlan = qemu_mallocz(sizeof(VLANState));
|
1461 | 63a01ef8 | aliguori | if (!vlan)
|
1462 | 63a01ef8 | aliguori | return NULL; |
1463 | 63a01ef8 | aliguori | vlan->id = id; |
1464 | 63a01ef8 | aliguori | vlan->next = NULL;
|
1465 | 63a01ef8 | aliguori | pvlan = &first_vlan; |
1466 | 63a01ef8 | aliguori | while (*pvlan != NULL) |
1467 | 63a01ef8 | aliguori | pvlan = &(*pvlan)->next; |
1468 | 63a01ef8 | aliguori | *pvlan = vlan; |
1469 | 63a01ef8 | aliguori | return vlan;
|
1470 | 63a01ef8 | aliguori | } |
1471 | 63a01ef8 | aliguori | |
1472 | 63a01ef8 | aliguori | int net_client_init(const char *device, const char *p) |
1473 | 63a01ef8 | aliguori | { |
1474 | 63a01ef8 | aliguori | char buf[1024]; |
1475 | 63a01ef8 | aliguori | int vlan_id, ret;
|
1476 | 63a01ef8 | aliguori | VLANState *vlan; |
1477 | 63a01ef8 | aliguori | |
1478 | 63a01ef8 | aliguori | vlan_id = 0;
|
1479 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
1480 | 63a01ef8 | aliguori | vlan_id = strtol(buf, NULL, 0); |
1481 | 63a01ef8 | aliguori | } |
1482 | 63a01ef8 | aliguori | vlan = qemu_find_vlan(vlan_id); |
1483 | 63a01ef8 | aliguori | if (!vlan) {
|
1484 | 63a01ef8 | aliguori | fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
1485 | 63a01ef8 | aliguori | return -1; |
1486 | 63a01ef8 | aliguori | } |
1487 | 63a01ef8 | aliguori | if (!strcmp(device, "nic")) { |
1488 | 63a01ef8 | aliguori | NICInfo *nd; |
1489 | 63a01ef8 | aliguori | uint8_t *macaddr; |
1490 | 63a01ef8 | aliguori | |
1491 | 63a01ef8 | aliguori | if (nb_nics >= MAX_NICS) {
|
1492 | 63a01ef8 | aliguori | fprintf(stderr, "Too Many NICs\n");
|
1493 | 63a01ef8 | aliguori | return -1; |
1494 | 63a01ef8 | aliguori | } |
1495 | 63a01ef8 | aliguori | nd = &nd_table[nb_nics]; |
1496 | 63a01ef8 | aliguori | macaddr = nd->macaddr; |
1497 | 63a01ef8 | aliguori | macaddr[0] = 0x52; |
1498 | 63a01ef8 | aliguori | macaddr[1] = 0x54; |
1499 | 63a01ef8 | aliguori | macaddr[2] = 0x00; |
1500 | 63a01ef8 | aliguori | macaddr[3] = 0x12; |
1501 | 63a01ef8 | aliguori | macaddr[4] = 0x34; |
1502 | 63a01ef8 | aliguori | macaddr[5] = 0x56 + nb_nics; |
1503 | 63a01ef8 | aliguori | |
1504 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
1505 | 63a01ef8 | aliguori | if (parse_macaddr(macaddr, buf) < 0) { |
1506 | 63a01ef8 | aliguori | fprintf(stderr, "invalid syntax for ethernet address\n");
|
1507 | 63a01ef8 | aliguori | return -1; |
1508 | 63a01ef8 | aliguori | } |
1509 | 63a01ef8 | aliguori | } |
1510 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "model", p)) { |
1511 | 63a01ef8 | aliguori | nd->model = strdup(buf); |
1512 | 63a01ef8 | aliguori | } |
1513 | 63a01ef8 | aliguori | nd->vlan = vlan; |
1514 | 63a01ef8 | aliguori | nb_nics++; |
1515 | 63a01ef8 | aliguori | vlan->nb_guest_devs++; |
1516 | 63a01ef8 | aliguori | ret = 0;
|
1517 | 63a01ef8 | aliguori | } else
|
1518 | 63a01ef8 | aliguori | if (!strcmp(device, "none")) { |
1519 | 63a01ef8 | aliguori | /* does nothing. It is needed to signal that no network cards
|
1520 | 63a01ef8 | aliguori | are wanted */
|
1521 | 63a01ef8 | aliguori | ret = 0;
|
1522 | 63a01ef8 | aliguori | } else
|
1523 | 63a01ef8 | aliguori | #ifdef CONFIG_SLIRP
|
1524 | 63a01ef8 | aliguori | if (!strcmp(device, "user")) { |
1525 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
1526 | 63a01ef8 | aliguori | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
1527 | 63a01ef8 | aliguori | } |
1528 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
1529 | bf38c1a0 | aliguori | ret = net_slirp_init(vlan, device); |
1530 | 63a01ef8 | aliguori | } else
|
1531 | 63a01ef8 | aliguori | #endif
|
1532 | 63a01ef8 | aliguori | #ifdef _WIN32
|
1533 | 63a01ef8 | aliguori | if (!strcmp(device, "tap")) { |
1534 | 63a01ef8 | aliguori | char ifname[64]; |
1535 | 63a01ef8 | aliguori | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
1536 | 63a01ef8 | aliguori | fprintf(stderr, "tap: no interface name\n");
|
1537 | 63a01ef8 | aliguori | return -1; |
1538 | 63a01ef8 | aliguori | } |
1539 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
1540 | bf38c1a0 | aliguori | ret = tap_win32_init(vlan, device, ifname); |
1541 | 63a01ef8 | aliguori | } else
|
1542 | b29fe3ed | malc | #elif defined (_AIX)
|
1543 | 63a01ef8 | aliguori | #else
|
1544 | 63a01ef8 | aliguori | if (!strcmp(device, "tap")) { |
1545 | 63a01ef8 | aliguori | char ifname[64]; |
1546 | 63a01ef8 | aliguori | char setup_script[1024], down_script[1024]; |
1547 | 63a01ef8 | aliguori | int fd;
|
1548 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
1549 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
1550 | 63a01ef8 | aliguori | fd = strtol(buf, NULL, 0); |
1551 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1552 | 63a01ef8 | aliguori | ret = -1;
|
1553 | bf38c1a0 | aliguori | if (net_tap_fd_init(vlan, device, fd))
|
1554 | 63a01ef8 | aliguori | ret = 0;
|
1555 | 63a01ef8 | aliguori | } else {
|
1556 | 63a01ef8 | aliguori | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
1557 | 63a01ef8 | aliguori | ifname[0] = '\0'; |
1558 | 63a01ef8 | aliguori | } |
1559 | 63a01ef8 | aliguori | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
1560 | 63a01ef8 | aliguori | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
1561 | 63a01ef8 | aliguori | } |
1562 | 63a01ef8 | aliguori | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { |
1563 | 63a01ef8 | aliguori | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
|
1564 | 63a01ef8 | aliguori | } |
1565 | bf38c1a0 | aliguori | ret = net_tap_init(vlan, device, ifname, setup_script, down_script); |
1566 | 63a01ef8 | aliguori | } |
1567 | 63a01ef8 | aliguori | } else
|
1568 | 63a01ef8 | aliguori | #endif
|
1569 | 63a01ef8 | aliguori | if (!strcmp(device, "socket")) { |
1570 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
1571 | 63a01ef8 | aliguori | int fd;
|
1572 | 63a01ef8 | aliguori | fd = strtol(buf, NULL, 0); |
1573 | 63a01ef8 | aliguori | ret = -1;
|
1574 | bf38c1a0 | aliguori | if (net_socket_fd_init(vlan, device, fd, 1)) |
1575 | 63a01ef8 | aliguori | ret = 0;
|
1576 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
1577 | bf38c1a0 | aliguori | ret = net_socket_listen_init(vlan, device, buf); |
1578 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
1579 | bf38c1a0 | aliguori | ret = net_socket_connect_init(vlan, device, buf); |
1580 | 63a01ef8 | aliguori | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
1581 | bf38c1a0 | aliguori | ret = net_socket_mcast_init(vlan, device, buf); |
1582 | 63a01ef8 | aliguori | } else {
|
1583 | 63a01ef8 | aliguori | fprintf(stderr, "Unknown socket options: %s\n", p);
|
1584 | 63a01ef8 | aliguori | return -1; |
1585 | 63a01ef8 | aliguori | } |
1586 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
1587 | 63a01ef8 | aliguori | } else
|
1588 | 63a01ef8 | aliguori | #ifdef CONFIG_VDE
|
1589 | 63a01ef8 | aliguori | if (!strcmp(device, "vde")) { |
1590 | 63a01ef8 | aliguori | char vde_sock[1024], vde_group[512]; |
1591 | 63a01ef8 | aliguori | int vde_port, vde_mode;
|
1592 | 63a01ef8 | aliguori | vlan->nb_host_devs++; |
1593 | 63a01ef8 | aliguori | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { |
1594 | 63a01ef8 | aliguori | vde_sock[0] = '\0'; |
1595 | 63a01ef8 | aliguori | } |
1596 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { |
1597 | 63a01ef8 | aliguori | vde_port = strtol(buf, NULL, 10); |
1598 | 63a01ef8 | aliguori | } else {
|
1599 | 63a01ef8 | aliguori | vde_port = 0;
|
1600 | 63a01ef8 | aliguori | } |
1601 | 63a01ef8 | aliguori | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { |
1602 | 63a01ef8 | aliguori | vde_group[0] = '\0'; |
1603 | 63a01ef8 | aliguori | } |
1604 | 63a01ef8 | aliguori | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { |
1605 | 63a01ef8 | aliguori | vde_mode = strtol(buf, NULL, 8); |
1606 | 63a01ef8 | aliguori | } else {
|
1607 | 63a01ef8 | aliguori | vde_mode = 0700;
|
1608 | 63a01ef8 | aliguori | } |
1609 | bf38c1a0 | aliguori | ret = net_vde_init(vlan, device, vde_sock, vde_port, vde_group, vde_mode); |
1610 | 63a01ef8 | aliguori | } else
|
1611 | 63a01ef8 | aliguori | #endif
|
1612 | 63a01ef8 | aliguori | { |
1613 | 63a01ef8 | aliguori | fprintf(stderr, "Unknown network device: %s\n", device);
|
1614 | 63a01ef8 | aliguori | return -1; |
1615 | 63a01ef8 | aliguori | } |
1616 | 63a01ef8 | aliguori | if (ret < 0) { |
1617 | 63a01ef8 | aliguori | fprintf(stderr, "Could not initialize device '%s'\n", device);
|
1618 | 63a01ef8 | aliguori | } |
1619 | 63a01ef8 | aliguori | |
1620 | 63a01ef8 | aliguori | return ret;
|
1621 | 63a01ef8 | aliguori | } |
1622 | 63a01ef8 | aliguori | |
1623 | 63a01ef8 | aliguori | int net_client_parse(const char *str) |
1624 | 63a01ef8 | aliguori | { |
1625 | 63a01ef8 | aliguori | const char *p; |
1626 | 63a01ef8 | aliguori | char *q;
|
1627 | 63a01ef8 | aliguori | char device[64]; |
1628 | 63a01ef8 | aliguori | |
1629 | 63a01ef8 | aliguori | p = str; |
1630 | 63a01ef8 | aliguori | q = device; |
1631 | 63a01ef8 | aliguori | while (*p != '\0' && *p != ',') { |
1632 | 63a01ef8 | aliguori | if ((q - device) < sizeof(device) - 1) |
1633 | 63a01ef8 | aliguori | *q++ = *p; |
1634 | 63a01ef8 | aliguori | p++; |
1635 | 63a01ef8 | aliguori | } |
1636 | 63a01ef8 | aliguori | *q = '\0';
|
1637 | 63a01ef8 | aliguori | if (*p == ',') |
1638 | 63a01ef8 | aliguori | p++; |
1639 | 63a01ef8 | aliguori | |
1640 | 63a01ef8 | aliguori | return net_client_init(device, p);
|
1641 | 63a01ef8 | aliguori | } |
1642 | 63a01ef8 | aliguori | |
1643 | 63a01ef8 | aliguori | void do_info_network(void) |
1644 | 63a01ef8 | aliguori | { |
1645 | 63a01ef8 | aliguori | VLANState *vlan; |
1646 | 63a01ef8 | aliguori | VLANClientState *vc; |
1647 | 63a01ef8 | aliguori | |
1648 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
1649 | 63a01ef8 | aliguori | term_printf("VLAN %d devices:\n", vlan->id);
|
1650 | 63a01ef8 | aliguori | for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
1651 | 7cb7434b | aliguori | term_printf(" %s: %s\n", vc->name, vc->info_str);
|
1652 | 63a01ef8 | aliguori | } |
1653 | 63a01ef8 | aliguori | } |
1654 | 63a01ef8 | aliguori | |
1655 | 63a01ef8 | aliguori | void net_cleanup(void) |
1656 | 63a01ef8 | aliguori | { |
1657 | 63a01ef8 | aliguori | VLANState *vlan; |
1658 | 63a01ef8 | aliguori | |
1659 | 63a01ef8 | aliguori | #if !defined(_WIN32)
|
1660 | 63a01ef8 | aliguori | /* close network clients */
|
1661 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
1662 | 63a01ef8 | aliguori | VLANClientState *vc; |
1663 | 63a01ef8 | aliguori | |
1664 | 63a01ef8 | aliguori | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
1665 | 63a01ef8 | aliguori | if (vc->fd_read == tap_receive) {
|
1666 | 63a01ef8 | aliguori | char ifname[64]; |
1667 | 63a01ef8 | aliguori | TAPState *s = vc->opaque; |
1668 | 63a01ef8 | aliguori | |
1669 | 7cb7434b | aliguori | if (strcmp(vc->model, "tap") == 0 && |
1670 | 7cb7434b | aliguori | sscanf(vc->info_str, "ifname=%63s ", ifname) == 1 && |
1671 | 63a01ef8 | aliguori | s->down_script[0])
|
1672 | 63a01ef8 | aliguori | launch_script(s->down_script, ifname, s->fd); |
1673 | 63a01ef8 | aliguori | } |
1674 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
|
1675 | 63a01ef8 | aliguori | if (vc->fd_read == vde_from_qemu) {
|
1676 | 63a01ef8 | aliguori | VDEState *s = vc->opaque; |
1677 | 63a01ef8 | aliguori | vde_close(s->vde); |
1678 | 63a01ef8 | aliguori | } |
1679 | 63a01ef8 | aliguori | #endif
|
1680 | 63a01ef8 | aliguori | } |
1681 | 63a01ef8 | aliguori | } |
1682 | 63a01ef8 | aliguori | #endif
|
1683 | 63a01ef8 | aliguori | } |
1684 | 63a01ef8 | aliguori | |
1685 | 63a01ef8 | aliguori | void net_client_check(void) |
1686 | 63a01ef8 | aliguori | { |
1687 | 63a01ef8 | aliguori | VLANState *vlan; |
1688 | 63a01ef8 | aliguori | |
1689 | 63a01ef8 | aliguori | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
1690 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
1691 | 63a01ef8 | aliguori | continue;
|
1692 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0) |
1693 | 63a01ef8 | aliguori | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
|
1694 | 63a01ef8 | aliguori | if (vlan->nb_host_devs == 0) |
1695 | 63a01ef8 | aliguori | fprintf(stderr, |
1696 | 63a01ef8 | aliguori | "Warning: vlan %d is not connected to host network\n",
|
1697 | 63a01ef8 | aliguori | vlan->id); |
1698 | 63a01ef8 | aliguori | } |
1699 | 63a01ef8 | aliguori | } |