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1 | d75a0b97 | bellard | /*
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2 | d75a0b97 | bellard | * libslirp glue
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3 | d75a0b97 | bellard | *
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4 | d75a0b97 | bellard | * Copyright (c) 2004-2008 Fabrice Bellard
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5 | d75a0b97 | bellard | *
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6 | d75a0b97 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | d75a0b97 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | d75a0b97 | bellard | * in the Software without restriction, including without limitation the rights
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9 | d75a0b97 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | d75a0b97 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | d75a0b97 | bellard | * furnished to do so, subject to the following conditions:
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12 | d75a0b97 | bellard | *
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13 | d75a0b97 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | d75a0b97 | bellard | * all copies or substantial portions of the Software.
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15 | d75a0b97 | bellard | *
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16 | d75a0b97 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | d75a0b97 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | d75a0b97 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | d75a0b97 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | d75a0b97 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | d75a0b97 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | d75a0b97 | bellard | * THE SOFTWARE.
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23 | d75a0b97 | bellard | */
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24 | e1c5a2b3 | aliguori | #include "qemu-common.h" |
25 | 0580ac91 | blueswir1 | #include "qemu-char.h" |
26 | f0cbd3ec | bellard | #include "slirp.h" |
27 | 062e5527 | aliguori | #include "hw/hw.h" |
28 | f0cbd3ec | bellard | |
29 | f0cbd3ec | bellard | /* host address */
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30 | f0cbd3ec | bellard | struct in_addr our_addr;
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31 | f0cbd3ec | bellard | /* host dns address */
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32 | f0cbd3ec | bellard | struct in_addr dns_addr;
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33 | f0cbd3ec | bellard | /* host loopback address */
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34 | f0cbd3ec | bellard | struct in_addr loopback_addr;
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35 | f0cbd3ec | bellard | |
36 | f0cbd3ec | bellard | /* address for slirp virtual addresses */
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37 | f0cbd3ec | bellard | struct in_addr special_addr;
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38 | 8dbca8dd | bellard | /* virtual address alias for host */
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39 | 8dbca8dd | bellard | struct in_addr alias_addr;
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40 | f0cbd3ec | bellard | |
41 | 9634d903 | blueswir1 | static const uint8_t special_ethaddr[6] = { |
42 | f0cbd3ec | bellard | 0x52, 0x54, 0x00, 0x12, 0x35, 0x00 |
43 | f0cbd3ec | bellard | }; |
44 | f0cbd3ec | bellard | |
45 | de806f07 | bellard | /* ARP cache for the guest IP addresses (XXX: allow many entries) */
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46 | f0cbd3ec | bellard | uint8_t client_ethaddr[6];
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47 | de806f07 | bellard | static struct in_addr client_ipaddr; |
48 | de806f07 | bellard | |
49 | de806f07 | bellard | static const uint8_t zero_ethaddr[6] = { 0, 0, 0, 0, 0, 0 }; |
50 | f0cbd3ec | bellard | |
51 | 0580ac91 | blueswir1 | const char *slirp_special_ip = CTL_SPECIAL; |
52 | a9ba3a85 | aliguori | int slirp_restrict;
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53 | 511d2b14 | blueswir1 | static int do_slowtimo; |
54 | f0cbd3ec | bellard | int link_up;
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55 | f0cbd3ec | bellard | struct timeval tt;
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56 | f0cbd3ec | bellard | FILE *lfd; |
57 | a3d4af03 | bellard | struct ex_list *exec_list;
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58 | f0cbd3ec | bellard | |
59 | f0cbd3ec | bellard | /* XXX: suppress those select globals */
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60 | f0cbd3ec | bellard | fd_set *global_readfds, *global_writefds, *global_xfds; |
61 | f0cbd3ec | bellard | |
62 | 3f423c9c | bellard | char slirp_hostname[33]; |
63 | 115defd1 | pbrook | |
64 | f0cbd3ec | bellard | #ifdef _WIN32
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65 | f0cbd3ec | bellard | |
66 | f0cbd3ec | bellard | static int get_dns_addr(struct in_addr *pdns_addr) |
67 | f0cbd3ec | bellard | { |
68 | 379ff53d | bellard | FIXED_INFO *FixedInfo=NULL;
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69 | 379ff53d | bellard | ULONG BufLen; |
70 | 379ff53d | bellard | DWORD ret; |
71 | 379ff53d | bellard | IP_ADDR_STRING *pIPAddr; |
72 | 379ff53d | bellard | struct in_addr tmp_addr;
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73 | 3b46e624 | ths | |
74 | 379ff53d | bellard | FixedInfo = (FIXED_INFO *)GlobalAlloc(GPTR, sizeof(FIXED_INFO));
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75 | 379ff53d | bellard | BufLen = sizeof(FIXED_INFO);
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76 | 3b46e624 | ths | |
77 | 379ff53d | bellard | if (ERROR_BUFFER_OVERFLOW == GetNetworkParams(FixedInfo, &BufLen)) {
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78 | 379ff53d | bellard | if (FixedInfo) {
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79 | 379ff53d | bellard | GlobalFree(FixedInfo); |
80 | 379ff53d | bellard | FixedInfo = NULL;
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81 | 379ff53d | bellard | } |
82 | 379ff53d | bellard | FixedInfo = GlobalAlloc(GPTR, BufLen); |
83 | 379ff53d | bellard | } |
84 | 5fafdf24 | ths | |
85 | 379ff53d | bellard | if ((ret = GetNetworkParams(FixedInfo, &BufLen)) != ERROR_SUCCESS) {
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86 | 379ff53d | bellard | printf("GetNetworkParams failed. ret = %08x\n", (u_int)ret );
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87 | 379ff53d | bellard | if (FixedInfo) {
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88 | 379ff53d | bellard | GlobalFree(FixedInfo); |
89 | 379ff53d | bellard | FixedInfo = NULL;
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90 | 379ff53d | bellard | } |
91 | 379ff53d | bellard | return -1; |
92 | 379ff53d | bellard | } |
93 | 3b46e624 | ths | |
94 | 379ff53d | bellard | pIPAddr = &(FixedInfo->DnsServerList); |
95 | 379ff53d | bellard | inet_aton(pIPAddr->IpAddress.String, &tmp_addr); |
96 | 379ff53d | bellard | *pdns_addr = tmp_addr; |
97 | 379ff53d | bellard | #if 0
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98 | 379ff53d | bellard | printf( "DNS Servers:\n" );
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99 | 379ff53d | bellard | printf( "DNS Addr:%s\n", pIPAddr->IpAddress.String );
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100 | 3b46e624 | ths | |
101 | 379ff53d | bellard | pIPAddr = FixedInfo -> DnsServerList.Next;
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102 | 379ff53d | bellard | while ( pIPAddr ) {
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103 | 379ff53d | bellard | printf( "DNS Addr:%s\n", pIPAddr ->IpAddress.String );
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104 | 379ff53d | bellard | pIPAddr = pIPAddr ->Next;
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105 | 379ff53d | bellard | }
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106 | 379ff53d | bellard | #endif
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107 | 379ff53d | bellard | if (FixedInfo) {
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108 | 379ff53d | bellard | GlobalFree(FixedInfo); |
109 | 379ff53d | bellard | FixedInfo = NULL;
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110 | 379ff53d | bellard | } |
111 | 379ff53d | bellard | return 0; |
112 | f0cbd3ec | bellard | } |
113 | f0cbd3ec | bellard | |
114 | f0cbd3ec | bellard | #else
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115 | f0cbd3ec | bellard | |
116 | f0cbd3ec | bellard | static int get_dns_addr(struct in_addr *pdns_addr) |
117 | f0cbd3ec | bellard | { |
118 | f0cbd3ec | bellard | char buff[512]; |
119 | 363a37d5 | blueswir1 | char buff2[257]; |
120 | f0cbd3ec | bellard | FILE *f; |
121 | f0cbd3ec | bellard | int found = 0; |
122 | f0cbd3ec | bellard | struct in_addr tmp_addr;
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123 | 3b46e624 | ths | |
124 | f0cbd3ec | bellard | f = fopen("/etc/resolv.conf", "r"); |
125 | f0cbd3ec | bellard | if (!f)
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126 | f0cbd3ec | bellard | return -1; |
127 | f0cbd3ec | bellard | |
128 | 31a60e22 | blueswir1 | #ifdef DEBUG
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129 | f0cbd3ec | bellard | lprint("IP address of your DNS(s): ");
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130 | 31a60e22 | blueswir1 | #endif
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131 | f0cbd3ec | bellard | while (fgets(buff, 512, f) != NULL) { |
132 | f0cbd3ec | bellard | if (sscanf(buff, "nameserver%*[ \t]%256s", buff2) == 1) { |
133 | f0cbd3ec | bellard | if (!inet_aton(buff2, &tmp_addr))
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134 | f0cbd3ec | bellard | continue;
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135 | f0cbd3ec | bellard | if (tmp_addr.s_addr == loopback_addr.s_addr)
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136 | f0cbd3ec | bellard | tmp_addr = our_addr; |
137 | f0cbd3ec | bellard | /* If it's the first one, set it to dns_addr */
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138 | f0cbd3ec | bellard | if (!found)
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139 | f0cbd3ec | bellard | *pdns_addr = tmp_addr; |
140 | 31a60e22 | blueswir1 | #ifdef DEBUG
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141 | f0cbd3ec | bellard | else
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142 | f0cbd3ec | bellard | lprint(", ");
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143 | 31a60e22 | blueswir1 | #endif
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144 | f0cbd3ec | bellard | if (++found > 3) { |
145 | 31a60e22 | blueswir1 | #ifdef DEBUG
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146 | f0cbd3ec | bellard | lprint("(more)");
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147 | 31a60e22 | blueswir1 | #endif
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148 | f0cbd3ec | bellard | break;
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149 | 31a60e22 | blueswir1 | } |
150 | 31a60e22 | blueswir1 | #ifdef DEBUG
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151 | 31a60e22 | blueswir1 | else
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152 | f0cbd3ec | bellard | lprint("%s", inet_ntoa(tmp_addr));
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153 | 31a60e22 | blueswir1 | #endif
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154 | f0cbd3ec | bellard | } |
155 | f0cbd3ec | bellard | } |
156 | 1d43a717 | bellard | fclose(f); |
157 | f0cbd3ec | bellard | if (!found)
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158 | f0cbd3ec | bellard | return -1; |
159 | f0cbd3ec | bellard | return 0; |
160 | f0cbd3ec | bellard | } |
161 | f0cbd3ec | bellard | |
162 | f0cbd3ec | bellard | #endif
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163 | f0cbd3ec | bellard | |
164 | 379ff53d | bellard | #ifdef _WIN32
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165 | 9634d903 | blueswir1 | static void slirp_cleanup(void) |
166 | 379ff53d | bellard | { |
167 | 379ff53d | bellard | WSACleanup(); |
168 | 379ff53d | bellard | } |
169 | 379ff53d | bellard | #endif
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170 | 379ff53d | bellard | |
171 | 062e5527 | aliguori | static void slirp_state_save(QEMUFile *f, void *opaque); |
172 | 062e5527 | aliguori | static int slirp_state_load(QEMUFile *f, void *opaque, int version_id); |
173 | 062e5527 | aliguori | |
174 | 511d2b14 | blueswir1 | void slirp_init(int restricted, char *special_ip) |
175 | f0cbd3ec | bellard | { |
176 | 512176db | bellard | // debug_init("/tmp/slirp.log", DEBUG_DEFAULT);
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177 | 3b46e624 | ths | |
178 | 379ff53d | bellard | #ifdef _WIN32
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179 | 379ff53d | bellard | { |
180 | 379ff53d | bellard | WSADATA Data; |
181 | 379ff53d | bellard | WSAStartup(MAKEWORD(2,0), &Data); |
182 | 379ff53d | bellard | atexit(slirp_cleanup); |
183 | 379ff53d | bellard | } |
184 | 379ff53d | bellard | #endif
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185 | 379ff53d | bellard | |
186 | f0cbd3ec | bellard | link_up = 1;
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187 | 511d2b14 | blueswir1 | slirp_restrict = restricted; |
188 | f0cbd3ec | bellard | |
189 | f0cbd3ec | bellard | if_init(); |
190 | f0cbd3ec | bellard | ip_init(); |
191 | f0cbd3ec | bellard | |
192 | f0cbd3ec | bellard | /* Initialise mbufs *after* setting the MTU */
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193 | f0cbd3ec | bellard | m_init(); |
194 | f0cbd3ec | bellard | |
195 | f0cbd3ec | bellard | /* set default addresses */
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196 | f0cbd3ec | bellard | inet_aton("127.0.0.1", &loopback_addr);
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197 | f0cbd3ec | bellard | |
198 | f0cbd3ec | bellard | if (get_dns_addr(&dns_addr) < 0) { |
199 | 0f8134bf | pbrook | dns_addr = loopback_addr; |
200 | 0f8134bf | pbrook | fprintf (stderr, "Warning: No DNS servers found\n");
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201 | f0cbd3ec | bellard | } |
202 | f0cbd3ec | bellard | |
203 | a9ba3a85 | aliguori | if (special_ip)
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204 | a9ba3a85 | aliguori | slirp_special_ip = special_ip; |
205 | a9ba3a85 | aliguori | |
206 | a9ba3a85 | aliguori | inet_aton(slirp_special_ip, &special_addr); |
207 | 8dbca8dd | bellard | alias_addr.s_addr = special_addr.s_addr | htonl(CTL_ALIAS); |
208 | f4e15b4b | pbrook | getouraddr(); |
209 | 062e5527 | aliguori | register_savevm("slirp", 0, 1, slirp_state_save, slirp_state_load, NULL); |
210 | f0cbd3ec | bellard | } |
211 | f0cbd3ec | bellard | |
212 | f0cbd3ec | bellard | #define CONN_CANFSEND(so) (((so)->so_state & (SS_FCANTSENDMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED)
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213 | f0cbd3ec | bellard | #define CONN_CANFRCV(so) (((so)->so_state & (SS_FCANTRCVMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED)
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214 | f0cbd3ec | bellard | #define UPD_NFDS(x) if (nfds < (x)) nfds = (x) |
215 | f0cbd3ec | bellard | |
216 | f0cbd3ec | bellard | /*
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217 | f0cbd3ec | bellard | * curtime kept to an accuracy of 1ms
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218 | f0cbd3ec | bellard | */
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219 | 379ff53d | bellard | #ifdef _WIN32
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220 | 379ff53d | bellard | static void updtime(void) |
221 | 379ff53d | bellard | { |
222 | 379ff53d | bellard | struct _timeb tb;
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223 | 379ff53d | bellard | |
224 | 379ff53d | bellard | _ftime(&tb); |
225 | 379ff53d | bellard | curtime = (u_int)tb.time * (u_int)1000;
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226 | 379ff53d | bellard | curtime += (u_int)tb.millitm; |
227 | 379ff53d | bellard | } |
228 | 379ff53d | bellard | #else
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229 | f0cbd3ec | bellard | static void updtime(void) |
230 | f0cbd3ec | bellard | { |
231 | 511d2b14 | blueswir1 | gettimeofday(&tt, NULL);
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232 | 5fafdf24 | ths | |
233 | f0cbd3ec | bellard | curtime = (u_int)tt.tv_sec * (u_int)1000;
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234 | f0cbd3ec | bellard | curtime += (u_int)tt.tv_usec / (u_int)1000;
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235 | 5fafdf24 | ths | |
236 | f0cbd3ec | bellard | if ((tt.tv_usec % 1000) >= 500) |
237 | f0cbd3ec | bellard | curtime++; |
238 | f0cbd3ec | bellard | } |
239 | 379ff53d | bellard | #endif
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240 | f0cbd3ec | bellard | |
241 | 5fafdf24 | ths | void slirp_select_fill(int *pnfds, |
242 | f0cbd3ec | bellard | fd_set *readfds, fd_set *writefds, fd_set *xfds) |
243 | f0cbd3ec | bellard | { |
244 | f0cbd3ec | bellard | struct socket *so, *so_next;
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245 | f0cbd3ec | bellard | struct timeval timeout;
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246 | f0cbd3ec | bellard | int nfds;
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247 | f0cbd3ec | bellard | int tmp_time;
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248 | f0cbd3ec | bellard | |
249 | f0cbd3ec | bellard | /* fail safe */
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250 | f0cbd3ec | bellard | global_readfds = NULL;
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251 | f0cbd3ec | bellard | global_writefds = NULL;
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252 | f0cbd3ec | bellard | global_xfds = NULL;
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253 | 3b46e624 | ths | |
254 | f0cbd3ec | bellard | nfds = *pnfds; |
255 | f0cbd3ec | bellard | /*
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256 | f0cbd3ec | bellard | * First, TCP sockets
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257 | f0cbd3ec | bellard | */
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258 | f0cbd3ec | bellard | do_slowtimo = 0;
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259 | f0cbd3ec | bellard | if (link_up) {
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260 | 5fafdf24 | ths | /*
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261 | f0cbd3ec | bellard | * *_slowtimo needs calling if there are IP fragments
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262 | f0cbd3ec | bellard | * in the fragment queue, or there are TCP connections active
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263 | f0cbd3ec | bellard | */
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264 | f0cbd3ec | bellard | do_slowtimo = ((tcb.so_next != &tcb) || |
265 | 429d0a3d | blueswir1 | (&ipq.ip_link != ipq.ip_link.next)); |
266 | 3b46e624 | ths | |
267 | f0cbd3ec | bellard | for (so = tcb.so_next; so != &tcb; so = so_next) {
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268 | f0cbd3ec | bellard | so_next = so->so_next; |
269 | 3b46e624 | ths | |
270 | f0cbd3ec | bellard | /*
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271 | f0cbd3ec | bellard | * See if we need a tcp_fasttimo
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272 | f0cbd3ec | bellard | */
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273 | f0cbd3ec | bellard | if (time_fasttimo == 0 && so->so_tcpcb->t_flags & TF_DELACK) |
274 | f0cbd3ec | bellard | time_fasttimo = curtime; /* Flag when we want a fasttimo */
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275 | 3b46e624 | ths | |
276 | f0cbd3ec | bellard | /*
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277 | f0cbd3ec | bellard | * NOFDREF can include still connecting to local-host,
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278 | f0cbd3ec | bellard | * newly socreated() sockets etc. Don't want to select these.
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279 | f0cbd3ec | bellard | */
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280 | f0cbd3ec | bellard | if (so->so_state & SS_NOFDREF || so->s == -1) |
281 | f0cbd3ec | bellard | continue;
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282 | 3b46e624 | ths | |
283 | f0cbd3ec | bellard | /*
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284 | f0cbd3ec | bellard | * Set for reading sockets which are accepting
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285 | f0cbd3ec | bellard | */
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286 | f0cbd3ec | bellard | if (so->so_state & SS_FACCEPTCONN) {
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287 | f0cbd3ec | bellard | FD_SET(so->s, readfds); |
288 | f0cbd3ec | bellard | UPD_NFDS(so->s); |
289 | f0cbd3ec | bellard | continue;
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290 | f0cbd3ec | bellard | } |
291 | 3b46e624 | ths | |
292 | f0cbd3ec | bellard | /*
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293 | f0cbd3ec | bellard | * Set for writing sockets which are connecting
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294 | f0cbd3ec | bellard | */
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295 | f0cbd3ec | bellard | if (so->so_state & SS_ISFCONNECTING) {
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296 | f0cbd3ec | bellard | FD_SET(so->s, writefds); |
297 | f0cbd3ec | bellard | UPD_NFDS(so->s); |
298 | f0cbd3ec | bellard | continue;
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299 | f0cbd3ec | bellard | } |
300 | 3b46e624 | ths | |
301 | f0cbd3ec | bellard | /*
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302 | f0cbd3ec | bellard | * Set for writing if we are connected, can send more, and
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303 | f0cbd3ec | bellard | * we have something to send
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304 | f0cbd3ec | bellard | */
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305 | f0cbd3ec | bellard | if (CONN_CANFSEND(so) && so->so_rcv.sb_cc) {
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306 | f0cbd3ec | bellard | FD_SET(so->s, writefds); |
307 | f0cbd3ec | bellard | UPD_NFDS(so->s); |
308 | f0cbd3ec | bellard | } |
309 | 3b46e624 | ths | |
310 | f0cbd3ec | bellard | /*
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311 | f0cbd3ec | bellard | * Set for reading (and urgent data) if we are connected, can
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312 | f0cbd3ec | bellard | * receive more, and we have room for it XXX /2 ?
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313 | f0cbd3ec | bellard | */
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314 | f0cbd3ec | bellard | if (CONN_CANFRCV(so) && (so->so_snd.sb_cc < (so->so_snd.sb_datalen/2))) { |
315 | f0cbd3ec | bellard | FD_SET(so->s, readfds); |
316 | f0cbd3ec | bellard | FD_SET(so->s, xfds); |
317 | f0cbd3ec | bellard | UPD_NFDS(so->s); |
318 | f0cbd3ec | bellard | } |
319 | f0cbd3ec | bellard | } |
320 | 3b46e624 | ths | |
321 | f0cbd3ec | bellard | /*
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322 | f0cbd3ec | bellard | * UDP sockets
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323 | f0cbd3ec | bellard | */
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324 | f0cbd3ec | bellard | for (so = udb.so_next; so != &udb; so = so_next) {
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325 | f0cbd3ec | bellard | so_next = so->so_next; |
326 | 3b46e624 | ths | |
327 | f0cbd3ec | bellard | /*
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328 | f0cbd3ec | bellard | * See if it's timed out
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329 | f0cbd3ec | bellard | */
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330 | f0cbd3ec | bellard | if (so->so_expire) {
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331 | f0cbd3ec | bellard | if (so->so_expire <= curtime) {
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332 | f0cbd3ec | bellard | udp_detach(so); |
333 | f0cbd3ec | bellard | continue;
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334 | f0cbd3ec | bellard | } else
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335 | f0cbd3ec | bellard | do_slowtimo = 1; /* Let socket expire */ |
336 | f0cbd3ec | bellard | } |
337 | 3b46e624 | ths | |
338 | f0cbd3ec | bellard | /*
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339 | f0cbd3ec | bellard | * When UDP packets are received from over the
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340 | f0cbd3ec | bellard | * link, they're sendto()'d straight away, so
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341 | f0cbd3ec | bellard | * no need for setting for writing
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342 | f0cbd3ec | bellard | * Limit the number of packets queued by this session
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343 | f0cbd3ec | bellard | * to 4. Note that even though we try and limit this
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344 | f0cbd3ec | bellard | * to 4 packets, the session could have more queued
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345 | f0cbd3ec | bellard | * if the packets needed to be fragmented
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346 | f0cbd3ec | bellard | * (XXX <= 4 ?)
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347 | f0cbd3ec | bellard | */
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348 | f0cbd3ec | bellard | if ((so->so_state & SS_ISFCONNECTED) && so->so_queued <= 4) { |
349 | f0cbd3ec | bellard | FD_SET(so->s, readfds); |
350 | f0cbd3ec | bellard | UPD_NFDS(so->s); |
351 | f0cbd3ec | bellard | } |
352 | f0cbd3ec | bellard | } |
353 | f0cbd3ec | bellard | } |
354 | 5fafdf24 | ths | |
355 | f0cbd3ec | bellard | /*
|
356 | f0cbd3ec | bellard | * Setup timeout to use minimum CPU usage, especially when idle
|
357 | f0cbd3ec | bellard | */
|
358 | 5fafdf24 | ths | |
359 | 5fafdf24 | ths | /*
|
360 | f0cbd3ec | bellard | * First, see the timeout needed by *timo
|
361 | f0cbd3ec | bellard | */
|
362 | f0cbd3ec | bellard | timeout.tv_sec = 0;
|
363 | f0cbd3ec | bellard | timeout.tv_usec = -1;
|
364 | f0cbd3ec | bellard | /*
|
365 | f0cbd3ec | bellard | * If a slowtimo is needed, set timeout to 500ms from the last
|
366 | f0cbd3ec | bellard | * slow timeout. If a fast timeout is needed, set timeout within
|
367 | f0cbd3ec | bellard | * 200ms of when it was requested.
|
368 | f0cbd3ec | bellard | */
|
369 | f0cbd3ec | bellard | if (do_slowtimo) {
|
370 | f0cbd3ec | bellard | /* XXX + 10000 because some select()'s aren't that accurate */
|
371 | f0cbd3ec | bellard | timeout.tv_usec = ((500 - (curtime - last_slowtimo)) * 1000) + 10000; |
372 | f0cbd3ec | bellard | if (timeout.tv_usec < 0) |
373 | f0cbd3ec | bellard | timeout.tv_usec = 0;
|
374 | f0cbd3ec | bellard | else if (timeout.tv_usec > 510000) |
375 | f0cbd3ec | bellard | timeout.tv_usec = 510000;
|
376 | 3b46e624 | ths | |
377 | f0cbd3ec | bellard | /* Can only fasttimo if we also slowtimo */
|
378 | f0cbd3ec | bellard | if (time_fasttimo) {
|
379 | f0cbd3ec | bellard | tmp_time = (200 - (curtime - time_fasttimo)) * 1000; |
380 | f0cbd3ec | bellard | if (tmp_time < 0) |
381 | f0cbd3ec | bellard | tmp_time = 0;
|
382 | 3b46e624 | ths | |
383 | f0cbd3ec | bellard | /* Choose the smallest of the 2 */
|
384 | f0cbd3ec | bellard | if (tmp_time < timeout.tv_usec)
|
385 | f0cbd3ec | bellard | timeout.tv_usec = (u_int)tmp_time; |
386 | f0cbd3ec | bellard | } |
387 | f0cbd3ec | bellard | } |
388 | f0cbd3ec | bellard | *pnfds = nfds; |
389 | 5fafdf24 | ths | } |
390 | f0cbd3ec | bellard | |
391 | f0cbd3ec | bellard | void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds)
|
392 | f0cbd3ec | bellard | { |
393 | f0cbd3ec | bellard | struct socket *so, *so_next;
|
394 | f0cbd3ec | bellard | int ret;
|
395 | f0cbd3ec | bellard | |
396 | f0cbd3ec | bellard | global_readfds = readfds; |
397 | f0cbd3ec | bellard | global_writefds = writefds; |
398 | f0cbd3ec | bellard | global_xfds = xfds; |
399 | f0cbd3ec | bellard | |
400 | f0cbd3ec | bellard | /* Update time */
|
401 | f0cbd3ec | bellard | updtime(); |
402 | 5fafdf24 | ths | |
403 | f0cbd3ec | bellard | /*
|
404 | 5fafdf24 | ths | * See if anything has timed out
|
405 | f0cbd3ec | bellard | */
|
406 | f0cbd3ec | bellard | if (link_up) {
|
407 | df5f8956 | bellard | if (time_fasttimo && ((curtime - time_fasttimo) >= 2)) { |
408 | f0cbd3ec | bellard | tcp_fasttimo(); |
409 | f0cbd3ec | bellard | time_fasttimo = 0;
|
410 | f0cbd3ec | bellard | } |
411 | f0cbd3ec | bellard | if (do_slowtimo && ((curtime - last_slowtimo) >= 499)) { |
412 | f0cbd3ec | bellard | ip_slowtimo(); |
413 | f0cbd3ec | bellard | tcp_slowtimo(); |
414 | f0cbd3ec | bellard | last_slowtimo = curtime; |
415 | f0cbd3ec | bellard | } |
416 | f0cbd3ec | bellard | } |
417 | 5fafdf24 | ths | |
418 | f0cbd3ec | bellard | /*
|
419 | f0cbd3ec | bellard | * Check sockets
|
420 | f0cbd3ec | bellard | */
|
421 | f0cbd3ec | bellard | if (link_up) {
|
422 | f0cbd3ec | bellard | /*
|
423 | f0cbd3ec | bellard | * Check TCP sockets
|
424 | f0cbd3ec | bellard | */
|
425 | f0cbd3ec | bellard | for (so = tcb.so_next; so != &tcb; so = so_next) {
|
426 | f0cbd3ec | bellard | so_next = so->so_next; |
427 | 3b46e624 | ths | |
428 | f0cbd3ec | bellard | /*
|
429 | f0cbd3ec | bellard | * FD_ISSET is meaningless on these sockets
|
430 | f0cbd3ec | bellard | * (and they can crash the program)
|
431 | f0cbd3ec | bellard | */
|
432 | f0cbd3ec | bellard | if (so->so_state & SS_NOFDREF || so->s == -1) |
433 | f0cbd3ec | bellard | continue;
|
434 | 3b46e624 | ths | |
435 | f0cbd3ec | bellard | /*
|
436 | f0cbd3ec | bellard | * Check for URG data
|
437 | f0cbd3ec | bellard | * This will soread as well, so no need to
|
438 | f0cbd3ec | bellard | * test for readfds below if this succeeds
|
439 | f0cbd3ec | bellard | */
|
440 | f0cbd3ec | bellard | if (FD_ISSET(so->s, xfds))
|
441 | f0cbd3ec | bellard | sorecvoob(so); |
442 | f0cbd3ec | bellard | /*
|
443 | f0cbd3ec | bellard | * Check sockets for reading
|
444 | f0cbd3ec | bellard | */
|
445 | f0cbd3ec | bellard | else if (FD_ISSET(so->s, readfds)) { |
446 | f0cbd3ec | bellard | /*
|
447 | f0cbd3ec | bellard | * Check for incoming connections
|
448 | f0cbd3ec | bellard | */
|
449 | f0cbd3ec | bellard | if (so->so_state & SS_FACCEPTCONN) {
|
450 | f0cbd3ec | bellard | tcp_connect(so); |
451 | f0cbd3ec | bellard | continue;
|
452 | f0cbd3ec | bellard | } /* else */
|
453 | f0cbd3ec | bellard | ret = soread(so); |
454 | 3b46e624 | ths | |
455 | f0cbd3ec | bellard | /* Output it if we read something */
|
456 | f0cbd3ec | bellard | if (ret > 0) |
457 | f0cbd3ec | bellard | tcp_output(sototcpcb(so)); |
458 | f0cbd3ec | bellard | } |
459 | 3b46e624 | ths | |
460 | f0cbd3ec | bellard | /*
|
461 | f0cbd3ec | bellard | * Check sockets for writing
|
462 | f0cbd3ec | bellard | */
|
463 | f0cbd3ec | bellard | if (FD_ISSET(so->s, writefds)) {
|
464 | f0cbd3ec | bellard | /*
|
465 | f0cbd3ec | bellard | * Check for non-blocking, still-connecting sockets
|
466 | f0cbd3ec | bellard | */
|
467 | f0cbd3ec | bellard | if (so->so_state & SS_ISFCONNECTING) {
|
468 | f0cbd3ec | bellard | /* Connected */
|
469 | f0cbd3ec | bellard | so->so_state &= ~SS_ISFCONNECTING; |
470 | 3b46e624 | ths | |
471 | 02d2c54c | bellard | ret = send(so->s, &ret, 0, 0); |
472 | f0cbd3ec | bellard | if (ret < 0) { |
473 | f0cbd3ec | bellard | /* XXXXX Must fix, zero bytes is a NOP */
|
474 | f0cbd3ec | bellard | if (errno == EAGAIN || errno == EWOULDBLOCK ||
|
475 | f0cbd3ec | bellard | errno == EINPROGRESS || errno == ENOTCONN) |
476 | f0cbd3ec | bellard | continue;
|
477 | 3b46e624 | ths | |
478 | f0cbd3ec | bellard | /* else failed */
|
479 | f0cbd3ec | bellard | so->so_state = SS_NOFDREF; |
480 | f0cbd3ec | bellard | } |
481 | f0cbd3ec | bellard | /* else so->so_state &= ~SS_ISFCONNECTING; */
|
482 | 3b46e624 | ths | |
483 | f0cbd3ec | bellard | /*
|
484 | f0cbd3ec | bellard | * Continue tcp_input
|
485 | f0cbd3ec | bellard | */
|
486 | f0cbd3ec | bellard | tcp_input((struct mbuf *)NULL, sizeof(struct ip), so); |
487 | f0cbd3ec | bellard | /* continue; */
|
488 | f0cbd3ec | bellard | } else
|
489 | f0cbd3ec | bellard | ret = sowrite(so); |
490 | f0cbd3ec | bellard | /*
|
491 | 5fafdf24 | ths | * XXXXX If we wrote something (a lot), there
|
492 | f0cbd3ec | bellard | * could be a need for a window update.
|
493 | f0cbd3ec | bellard | * In the worst case, the remote will send
|
494 | f0cbd3ec | bellard | * a window probe to get things going again
|
495 | f0cbd3ec | bellard | */
|
496 | f0cbd3ec | bellard | } |
497 | 3b46e624 | ths | |
498 | f0cbd3ec | bellard | /*
|
499 | f0cbd3ec | bellard | * Probe a still-connecting, non-blocking socket
|
500 | f0cbd3ec | bellard | * to check if it's still alive
|
501 | f0cbd3ec | bellard | */
|
502 | f0cbd3ec | bellard | #ifdef PROBE_CONN
|
503 | f0cbd3ec | bellard | if (so->so_state & SS_ISFCONNECTING) {
|
504 | 02d2c54c | bellard | ret = recv(so->s, (char *)&ret, 0,0); |
505 | 3b46e624 | ths | |
506 | f0cbd3ec | bellard | if (ret < 0) { |
507 | f0cbd3ec | bellard | /* XXX */
|
508 | f0cbd3ec | bellard | if (errno == EAGAIN || errno == EWOULDBLOCK ||
|
509 | f0cbd3ec | bellard | errno == EINPROGRESS || errno == ENOTCONN) |
510 | f0cbd3ec | bellard | continue; /* Still connecting, continue */ |
511 | 3b46e624 | ths | |
512 | f0cbd3ec | bellard | /* else failed */
|
513 | f0cbd3ec | bellard | so->so_state = SS_NOFDREF; |
514 | 3b46e624 | ths | |
515 | f0cbd3ec | bellard | /* tcp_input will take care of it */
|
516 | f0cbd3ec | bellard | } else {
|
517 | 02d2c54c | bellard | ret = send(so->s, &ret, 0,0); |
518 | f0cbd3ec | bellard | if (ret < 0) { |
519 | f0cbd3ec | bellard | /* XXX */
|
520 | f0cbd3ec | bellard | if (errno == EAGAIN || errno == EWOULDBLOCK ||
|
521 | f0cbd3ec | bellard | errno == EINPROGRESS || errno == ENOTCONN) |
522 | f0cbd3ec | bellard | continue;
|
523 | f0cbd3ec | bellard | /* else failed */
|
524 | f0cbd3ec | bellard | so->so_state = SS_NOFDREF; |
525 | f0cbd3ec | bellard | } else
|
526 | f0cbd3ec | bellard | so->so_state &= ~SS_ISFCONNECTING; |
527 | 3b46e624 | ths | |
528 | f0cbd3ec | bellard | } |
529 | f0cbd3ec | bellard | tcp_input((struct mbuf *)NULL, sizeof(struct ip),so); |
530 | f0cbd3ec | bellard | } /* SS_ISFCONNECTING */
|
531 | f0cbd3ec | bellard | #endif
|
532 | f0cbd3ec | bellard | } |
533 | 3b46e624 | ths | |
534 | f0cbd3ec | bellard | /*
|
535 | f0cbd3ec | bellard | * Now UDP sockets.
|
536 | f0cbd3ec | bellard | * Incoming packets are sent straight away, they're not buffered.
|
537 | f0cbd3ec | bellard | * Incoming UDP data isn't buffered either.
|
538 | f0cbd3ec | bellard | */
|
539 | f0cbd3ec | bellard | for (so = udb.so_next; so != &udb; so = so_next) {
|
540 | f0cbd3ec | bellard | so_next = so->so_next; |
541 | 3b46e624 | ths | |
542 | f0cbd3ec | bellard | if (so->s != -1 && FD_ISSET(so->s, readfds)) { |
543 | f0cbd3ec | bellard | sorecvfrom(so); |
544 | f0cbd3ec | bellard | } |
545 | f0cbd3ec | bellard | } |
546 | f0cbd3ec | bellard | } |
547 | 5fafdf24 | ths | |
548 | f0cbd3ec | bellard | /*
|
549 | f0cbd3ec | bellard | * See if we can start outputting
|
550 | f0cbd3ec | bellard | */
|
551 | f0cbd3ec | bellard | if (if_queued && link_up)
|
552 | f0cbd3ec | bellard | if_start(); |
553 | 02d2c54c | bellard | |
554 | 02d2c54c | bellard | /* clear global file descriptor sets.
|
555 | 02d2c54c | bellard | * these reside on the stack in vl.c
|
556 | 02d2c54c | bellard | * so they're unusable if we're not in
|
557 | 02d2c54c | bellard | * slirp_select_fill or slirp_select_poll.
|
558 | 02d2c54c | bellard | */
|
559 | 02d2c54c | bellard | global_readfds = NULL;
|
560 | 02d2c54c | bellard | global_writefds = NULL;
|
561 | 02d2c54c | bellard | global_xfds = NULL;
|
562 | f0cbd3ec | bellard | } |
563 | f0cbd3ec | bellard | |
564 | f0cbd3ec | bellard | #define ETH_ALEN 6 |
565 | f0cbd3ec | bellard | #define ETH_HLEN 14 |
566 | f0cbd3ec | bellard | |
567 | f0cbd3ec | bellard | #define ETH_P_IP 0x0800 /* Internet Protocol packet */ |
568 | f0cbd3ec | bellard | #define ETH_P_ARP 0x0806 /* Address Resolution packet */ |
569 | f0cbd3ec | bellard | |
570 | f0cbd3ec | bellard | #define ARPOP_REQUEST 1 /* ARP request */ |
571 | f0cbd3ec | bellard | #define ARPOP_REPLY 2 /* ARP reply */ |
572 | f0cbd3ec | bellard | |
573 | 5fafdf24 | ths | struct ethhdr
|
574 | f0cbd3ec | bellard | { |
575 | f0cbd3ec | bellard | unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ |
576 | f0cbd3ec | bellard | unsigned char h_source[ETH_ALEN]; /* source ether addr */ |
577 | f0cbd3ec | bellard | unsigned short h_proto; /* packet type ID field */ |
578 | f0cbd3ec | bellard | }; |
579 | f0cbd3ec | bellard | |
580 | f0cbd3ec | bellard | struct arphdr
|
581 | f0cbd3ec | bellard | { |
582 | f0cbd3ec | bellard | unsigned short ar_hrd; /* format of hardware address */ |
583 | f0cbd3ec | bellard | unsigned short ar_pro; /* format of protocol address */ |
584 | f0cbd3ec | bellard | unsigned char ar_hln; /* length of hardware address */ |
585 | f0cbd3ec | bellard | unsigned char ar_pln; /* length of protocol address */ |
586 | f0cbd3ec | bellard | unsigned short ar_op; /* ARP opcode (command) */ |
587 | f0cbd3ec | bellard | |
588 | f0cbd3ec | bellard | /*
|
589 | f0cbd3ec | bellard | * Ethernet looks like this : This bit is variable sized however...
|
590 | f0cbd3ec | bellard | */
|
591 | f0cbd3ec | bellard | unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ |
592 | f0cbd3ec | bellard | unsigned char ar_sip[4]; /* sender IP address */ |
593 | f0cbd3ec | bellard | unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ |
594 | f0cbd3ec | bellard | unsigned char ar_tip[4]; /* target IP address */ |
595 | f0cbd3ec | bellard | }; |
596 | f0cbd3ec | bellard | |
597 | 8fcd3692 | blueswir1 | static void arp_input(const uint8_t *pkt, int pkt_len) |
598 | f0cbd3ec | bellard | { |
599 | f0cbd3ec | bellard | struct ethhdr *eh = (struct ethhdr *)pkt; |
600 | f0cbd3ec | bellard | struct arphdr *ah = (struct arphdr *)(pkt + ETH_HLEN); |
601 | f0cbd3ec | bellard | uint8_t arp_reply[ETH_HLEN + sizeof(struct arphdr)]; |
602 | f0cbd3ec | bellard | struct ethhdr *reh = (struct ethhdr *)arp_reply; |
603 | f0cbd3ec | bellard | struct arphdr *rah = (struct arphdr *)(arp_reply + ETH_HLEN); |
604 | f0cbd3ec | bellard | int ar_op;
|
605 | a3d4af03 | bellard | struct ex_list *ex_ptr;
|
606 | f0cbd3ec | bellard | |
607 | f0cbd3ec | bellard | ar_op = ntohs(ah->ar_op); |
608 | f0cbd3ec | bellard | switch(ar_op) {
|
609 | f0cbd3ec | bellard | case ARPOP_REQUEST:
|
610 | a3d4af03 | bellard | if (!memcmp(ah->ar_tip, &special_addr, 3)) { |
611 | 5fafdf24 | ths | if (ah->ar_tip[3] == CTL_DNS || ah->ar_tip[3] == CTL_ALIAS) |
612 | a3d4af03 | bellard | goto arp_ok;
|
613 | a3d4af03 | bellard | for (ex_ptr = exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) {
|
614 | a3d4af03 | bellard | if (ex_ptr->ex_addr == ah->ar_tip[3]) |
615 | a3d4af03 | bellard | goto arp_ok;
|
616 | a3d4af03 | bellard | } |
617 | a3d4af03 | bellard | return;
|
618 | a3d4af03 | bellard | arp_ok:
|
619 | f0cbd3ec | bellard | /* XXX: make an ARP request to have the client address */
|
620 | f0cbd3ec | bellard | memcpy(client_ethaddr, eh->h_source, ETH_ALEN); |
621 | f0cbd3ec | bellard | |
622 | f0cbd3ec | bellard | /* ARP request for alias/dns mac address */
|
623 | f0cbd3ec | bellard | memcpy(reh->h_dest, pkt + ETH_ALEN, ETH_ALEN); |
624 | f0cbd3ec | bellard | memcpy(reh->h_source, special_ethaddr, ETH_ALEN - 1);
|
625 | f0cbd3ec | bellard | reh->h_source[5] = ah->ar_tip[3]; |
626 | f0cbd3ec | bellard | reh->h_proto = htons(ETH_P_ARP); |
627 | f0cbd3ec | bellard | |
628 | f0cbd3ec | bellard | rah->ar_hrd = htons(1);
|
629 | f0cbd3ec | bellard | rah->ar_pro = htons(ETH_P_IP); |
630 | f0cbd3ec | bellard | rah->ar_hln = ETH_ALEN; |
631 | f0cbd3ec | bellard | rah->ar_pln = 4;
|
632 | f0cbd3ec | bellard | rah->ar_op = htons(ARPOP_REPLY); |
633 | f0cbd3ec | bellard | memcpy(rah->ar_sha, reh->h_source, ETH_ALEN); |
634 | f0cbd3ec | bellard | memcpy(rah->ar_sip, ah->ar_tip, 4);
|
635 | f0cbd3ec | bellard | memcpy(rah->ar_tha, ah->ar_sha, ETH_ALEN); |
636 | f0cbd3ec | bellard | memcpy(rah->ar_tip, ah->ar_sip, 4);
|
637 | f0cbd3ec | bellard | slirp_output(arp_reply, sizeof(arp_reply));
|
638 | f0cbd3ec | bellard | } |
639 | f0cbd3ec | bellard | break;
|
640 | de806f07 | bellard | case ARPOP_REPLY:
|
641 | de806f07 | bellard | /* reply to request of client mac address ? */
|
642 | de806f07 | bellard | if (!memcmp(client_ethaddr, zero_ethaddr, ETH_ALEN) &&
|
643 | de806f07 | bellard | !memcmp(ah->ar_sip, &client_ipaddr.s_addr, 4)) {
|
644 | de806f07 | bellard | memcpy(client_ethaddr, ah->ar_sha, ETH_ALEN); |
645 | de806f07 | bellard | } |
646 | de806f07 | bellard | break;
|
647 | f0cbd3ec | bellard | default:
|
648 | f0cbd3ec | bellard | break;
|
649 | f0cbd3ec | bellard | } |
650 | f0cbd3ec | bellard | } |
651 | f0cbd3ec | bellard | |
652 | f0cbd3ec | bellard | void slirp_input(const uint8_t *pkt, int pkt_len) |
653 | f0cbd3ec | bellard | { |
654 | f0cbd3ec | bellard | struct mbuf *m;
|
655 | f0cbd3ec | bellard | int proto;
|
656 | f0cbd3ec | bellard | |
657 | f0cbd3ec | bellard | if (pkt_len < ETH_HLEN)
|
658 | f0cbd3ec | bellard | return;
|
659 | 3b46e624 | ths | |
660 | f0cbd3ec | bellard | proto = ntohs(*(uint16_t *)(pkt + 12));
|
661 | f0cbd3ec | bellard | switch(proto) {
|
662 | f0cbd3ec | bellard | case ETH_P_ARP:
|
663 | f0cbd3ec | bellard | arp_input(pkt, pkt_len); |
664 | f0cbd3ec | bellard | break;
|
665 | f0cbd3ec | bellard | case ETH_P_IP:
|
666 | f0cbd3ec | bellard | m = m_get(); |
667 | f0cbd3ec | bellard | if (!m)
|
668 | f0cbd3ec | bellard | return;
|
669 | 38f3e7c2 | bellard | /* Note: we add to align the IP header */
|
670 | e8e880a7 | aurel32 | if (M_FREEROOM(m) < pkt_len + 2) { |
671 | e8e880a7 | aurel32 | m_inc(m, pkt_len + 2);
|
672 | e8e880a7 | aurel32 | } |
673 | 38f3e7c2 | bellard | m->m_len = pkt_len + 2;
|
674 | 38f3e7c2 | bellard | memcpy(m->m_data + 2, pkt, pkt_len);
|
675 | f0cbd3ec | bellard | |
676 | 38f3e7c2 | bellard | m->m_data += 2 + ETH_HLEN;
|
677 | 38f3e7c2 | bellard | m->m_len -= 2 + ETH_HLEN;
|
678 | f0cbd3ec | bellard | |
679 | f0cbd3ec | bellard | ip_input(m); |
680 | f0cbd3ec | bellard | break;
|
681 | f0cbd3ec | bellard | default:
|
682 | f0cbd3ec | bellard | break;
|
683 | f0cbd3ec | bellard | } |
684 | f0cbd3ec | bellard | } |
685 | f0cbd3ec | bellard | |
686 | f0cbd3ec | bellard | /* output the IP packet to the ethernet device */
|
687 | f0cbd3ec | bellard | void if_encap(const uint8_t *ip_data, int ip_data_len) |
688 | f0cbd3ec | bellard | { |
689 | f0cbd3ec | bellard | uint8_t buf[1600];
|
690 | f0cbd3ec | bellard | struct ethhdr *eh = (struct ethhdr *)buf; |
691 | f0cbd3ec | bellard | |
692 | f0cbd3ec | bellard | if (ip_data_len + ETH_HLEN > sizeof(buf)) |
693 | f0cbd3ec | bellard | return;
|
694 | de806f07 | bellard | |
695 | de806f07 | bellard | if (!memcmp(client_ethaddr, zero_ethaddr, ETH_ALEN)) {
|
696 | de806f07 | bellard | uint8_t arp_req[ETH_HLEN + sizeof(struct arphdr)]; |
697 | de806f07 | bellard | struct ethhdr *reh = (struct ethhdr *)arp_req; |
698 | de806f07 | bellard | struct arphdr *rah = (struct arphdr *)(arp_req + ETH_HLEN); |
699 | de806f07 | bellard | const struct ip *iph = (const struct ip *)ip_data; |
700 | de806f07 | bellard | |
701 | de806f07 | bellard | /* If the client addr is not known, there is no point in
|
702 | de806f07 | bellard | sending the packet to it. Normally the sender should have
|
703 | de806f07 | bellard | done an ARP request to get its MAC address. Here we do it
|
704 | de806f07 | bellard | in place of sending the packet and we hope that the sender
|
705 | de806f07 | bellard | will retry sending its packet. */
|
706 | de806f07 | bellard | memset(reh->h_dest, 0xff, ETH_ALEN);
|
707 | de806f07 | bellard | memcpy(reh->h_source, special_ethaddr, ETH_ALEN - 1);
|
708 | de806f07 | bellard | reh->h_source[5] = CTL_ALIAS;
|
709 | de806f07 | bellard | reh->h_proto = htons(ETH_P_ARP); |
710 | de806f07 | bellard | rah->ar_hrd = htons(1);
|
711 | de806f07 | bellard | rah->ar_pro = htons(ETH_P_IP); |
712 | de806f07 | bellard | rah->ar_hln = ETH_ALEN; |
713 | de806f07 | bellard | rah->ar_pln = 4;
|
714 | de806f07 | bellard | rah->ar_op = htons(ARPOP_REQUEST); |
715 | de806f07 | bellard | /* source hw addr */
|
716 | de806f07 | bellard | memcpy(rah->ar_sha, special_ethaddr, ETH_ALEN - 1);
|
717 | de806f07 | bellard | rah->ar_sha[5] = CTL_ALIAS;
|
718 | de806f07 | bellard | /* source IP */
|
719 | de806f07 | bellard | memcpy(rah->ar_sip, &alias_addr, 4);
|
720 | de806f07 | bellard | /* target hw addr (none) */
|
721 | de806f07 | bellard | memset(rah->ar_tha, 0, ETH_ALEN);
|
722 | de806f07 | bellard | /* target IP */
|
723 | de806f07 | bellard | memcpy(rah->ar_tip, &iph->ip_dst, 4);
|
724 | de806f07 | bellard | client_ipaddr = iph->ip_dst; |
725 | de806f07 | bellard | slirp_output(arp_req, sizeof(arp_req));
|
726 | de806f07 | bellard | } else {
|
727 | de806f07 | bellard | memcpy(eh->h_dest, client_ethaddr, ETH_ALEN); |
728 | de806f07 | bellard | memcpy(eh->h_source, special_ethaddr, ETH_ALEN - 1);
|
729 | de806f07 | bellard | /* XXX: not correct */
|
730 | de806f07 | bellard | eh->h_source[5] = CTL_ALIAS;
|
731 | de806f07 | bellard | eh->h_proto = htons(ETH_P_IP); |
732 | de806f07 | bellard | memcpy(buf + sizeof(struct ethhdr), ip_data, ip_data_len); |
733 | de806f07 | bellard | slirp_output(buf, ip_data_len + ETH_HLEN); |
734 | de806f07 | bellard | } |
735 | f0cbd3ec | bellard | } |
736 | 9bf05444 | bellard | |
737 | 5fafdf24 | ths | int slirp_redir(int is_udp, int host_port, |
738 | 9bf05444 | bellard | struct in_addr guest_addr, int guest_port) |
739 | 9bf05444 | bellard | { |
740 | 9bf05444 | bellard | if (is_udp) {
|
741 | 5fafdf24 | ths | if (!udp_listen(htons(host_port), guest_addr.s_addr,
|
742 | 9bf05444 | bellard | htons(guest_port), 0))
|
743 | 9bf05444 | bellard | return -1; |
744 | 9bf05444 | bellard | } else {
|
745 | 5fafdf24 | ths | if (!solisten(htons(host_port), guest_addr.s_addr,
|
746 | 9bf05444 | bellard | htons(guest_port), 0))
|
747 | 9bf05444 | bellard | return -1; |
748 | 9bf05444 | bellard | } |
749 | 9bf05444 | bellard | return 0; |
750 | 9bf05444 | bellard | } |
751 | a3d4af03 | bellard | |
752 | e1c5a2b3 | aliguori | int slirp_add_exec(int do_pty, const void *args, int addr_low_byte, |
753 | a3d4af03 | bellard | int guest_port)
|
754 | a3d4af03 | bellard | { |
755 | 5fafdf24 | ths | return add_exec(&exec_list, do_pty, (char *)args, |
756 | a3d4af03 | bellard | addr_low_byte, htons(guest_port)); |
757 | a3d4af03 | bellard | } |
758 | e1c5a2b3 | aliguori | |
759 | e1c5a2b3 | aliguori | ssize_t slirp_send(struct socket *so, const void *buf, size_t len, int flags) |
760 | e1c5a2b3 | aliguori | { |
761 | e1c5a2b3 | aliguori | if (so->s == -1 && so->extra) { |
762 | e1c5a2b3 | aliguori | qemu_chr_write(so->extra, buf, len); |
763 | e1c5a2b3 | aliguori | return len;
|
764 | e1c5a2b3 | aliguori | } |
765 | e1c5a2b3 | aliguori | |
766 | e1c5a2b3 | aliguori | return send(so->s, buf, len, flags);
|
767 | e1c5a2b3 | aliguori | } |
768 | e1c5a2b3 | aliguori | |
769 | e1c5a2b3 | aliguori | static struct socket *slirp_find_ctl_socket(int addr_low_byte, int guest_port) |
770 | e1c5a2b3 | aliguori | { |
771 | e1c5a2b3 | aliguori | struct socket *so;
|
772 | e1c5a2b3 | aliguori | |
773 | e1c5a2b3 | aliguori | for (so = tcb.so_next; so != &tcb; so = so->so_next) {
|
774 | e1c5a2b3 | aliguori | if ((so->so_faddr.s_addr & htonl(0xffffff00)) == |
775 | e1c5a2b3 | aliguori | special_addr.s_addr |
776 | e1c5a2b3 | aliguori | && (ntohl(so->so_faddr.s_addr) & 0xff) ==
|
777 | e1c5a2b3 | aliguori | addr_low_byte |
778 | e1c5a2b3 | aliguori | && htons(so->so_fport) == guest_port) |
779 | e1c5a2b3 | aliguori | return so;
|
780 | e1c5a2b3 | aliguori | } |
781 | e1c5a2b3 | aliguori | |
782 | e1c5a2b3 | aliguori | return NULL; |
783 | e1c5a2b3 | aliguori | } |
784 | e1c5a2b3 | aliguori | |
785 | e1c5a2b3 | aliguori | size_t slirp_socket_can_recv(int addr_low_byte, int guest_port) |
786 | e1c5a2b3 | aliguori | { |
787 | e1c5a2b3 | aliguori | struct iovec iov[2]; |
788 | e1c5a2b3 | aliguori | struct socket *so;
|
789 | e1c5a2b3 | aliguori | |
790 | e1c5a2b3 | aliguori | if (!link_up)
|
791 | e1c5a2b3 | aliguori | return 0; |
792 | e1c5a2b3 | aliguori | |
793 | e1c5a2b3 | aliguori | so = slirp_find_ctl_socket(addr_low_byte, guest_port); |
794 | e1c5a2b3 | aliguori | |
795 | e1c5a2b3 | aliguori | if (!so || so->so_state & SS_NOFDREF)
|
796 | e1c5a2b3 | aliguori | return 0; |
797 | e1c5a2b3 | aliguori | |
798 | e1c5a2b3 | aliguori | if (!CONN_CANFRCV(so) || so->so_snd.sb_cc >= (so->so_snd.sb_datalen/2)) |
799 | e1c5a2b3 | aliguori | return 0; |
800 | e1c5a2b3 | aliguori | |
801 | e1c5a2b3 | aliguori | return sopreprbuf(so, iov, NULL); |
802 | e1c5a2b3 | aliguori | } |
803 | e1c5a2b3 | aliguori | |
804 | e1c5a2b3 | aliguori | void slirp_socket_recv(int addr_low_byte, int guest_port, const uint8_t *buf, |
805 | e1c5a2b3 | aliguori | int size)
|
806 | e1c5a2b3 | aliguori | { |
807 | e1c5a2b3 | aliguori | int ret;
|
808 | e1c5a2b3 | aliguori | struct socket *so = slirp_find_ctl_socket(addr_low_byte, guest_port);
|
809 | e1c5a2b3 | aliguori | |
810 | e1c5a2b3 | aliguori | if (!so)
|
811 | e1c5a2b3 | aliguori | return;
|
812 | e1c5a2b3 | aliguori | |
813 | 0580ac91 | blueswir1 | ret = soreadbuf(so, (const char *)buf, size); |
814 | e1c5a2b3 | aliguori | |
815 | e1c5a2b3 | aliguori | if (ret > 0) |
816 | e1c5a2b3 | aliguori | tcp_output(sototcpcb(so)); |
817 | e1c5a2b3 | aliguori | } |
818 | 062e5527 | aliguori | |
819 | 062e5527 | aliguori | static void slirp_tcp_save(QEMUFile *f, struct tcpcb *tp) |
820 | 062e5527 | aliguori | { |
821 | 062e5527 | aliguori | int i;
|
822 | 062e5527 | aliguori | |
823 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_state); |
824 | 062e5527 | aliguori | for (i = 0; i < TCPT_NTIMERS; i++) |
825 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_timer[i]); |
826 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_rxtshift); |
827 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_rxtcur); |
828 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_dupacks); |
829 | 062e5527 | aliguori | qemu_put_be16(f, tp->t_maxseg); |
830 | 062e5527 | aliguori | qemu_put_sbyte(f, tp->t_force); |
831 | 062e5527 | aliguori | qemu_put_be16(f, tp->t_flags); |
832 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_una); |
833 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_nxt); |
834 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_up); |
835 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_wl1); |
836 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_wl2); |
837 | 062e5527 | aliguori | qemu_put_be32(f, tp->iss); |
838 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_wnd); |
839 | 062e5527 | aliguori | qemu_put_be32(f, tp->rcv_wnd); |
840 | 062e5527 | aliguori | qemu_put_be32(f, tp->rcv_nxt); |
841 | 062e5527 | aliguori | qemu_put_be32(f, tp->rcv_up); |
842 | 062e5527 | aliguori | qemu_put_be32(f, tp->irs); |
843 | 062e5527 | aliguori | qemu_put_be32(f, tp->rcv_adv); |
844 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_max); |
845 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_cwnd); |
846 | 062e5527 | aliguori | qemu_put_be32(f, tp->snd_ssthresh); |
847 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_idle); |
848 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_rtt); |
849 | 062e5527 | aliguori | qemu_put_be32(f, tp->t_rtseq); |
850 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_srtt); |
851 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_rttvar); |
852 | 062e5527 | aliguori | qemu_put_be16(f, tp->t_rttmin); |
853 | 062e5527 | aliguori | qemu_put_be32(f, tp->max_sndwnd); |
854 | 062e5527 | aliguori | qemu_put_byte(f, tp->t_oobflags); |
855 | 062e5527 | aliguori | qemu_put_byte(f, tp->t_iobc); |
856 | 062e5527 | aliguori | qemu_put_sbe16(f, tp->t_softerror); |
857 | 062e5527 | aliguori | qemu_put_byte(f, tp->snd_scale); |
858 | 062e5527 | aliguori | qemu_put_byte(f, tp->rcv_scale); |
859 | 062e5527 | aliguori | qemu_put_byte(f, tp->request_r_scale); |
860 | 062e5527 | aliguori | qemu_put_byte(f, tp->requested_s_scale); |
861 | 062e5527 | aliguori | qemu_put_be32(f, tp->ts_recent); |
862 | 062e5527 | aliguori | qemu_put_be32(f, tp->ts_recent_age); |
863 | 062e5527 | aliguori | qemu_put_be32(f, tp->last_ack_sent); |
864 | 062e5527 | aliguori | } |
865 | 062e5527 | aliguori | |
866 | 062e5527 | aliguori | static void slirp_sbuf_save(QEMUFile *f, struct sbuf *sbuf) |
867 | 062e5527 | aliguori | { |
868 | 062e5527 | aliguori | uint32_t off; |
869 | 062e5527 | aliguori | |
870 | 062e5527 | aliguori | qemu_put_be32(f, sbuf->sb_cc); |
871 | 062e5527 | aliguori | qemu_put_be32(f, sbuf->sb_datalen); |
872 | 062e5527 | aliguori | off = (uint32_t)(sbuf->sb_wptr - sbuf->sb_data); |
873 | 062e5527 | aliguori | qemu_put_sbe32(f, off); |
874 | 062e5527 | aliguori | off = (uint32_t)(sbuf->sb_rptr - sbuf->sb_data); |
875 | 062e5527 | aliguori | qemu_put_sbe32(f, off); |
876 | 062e5527 | aliguori | qemu_put_buffer(f, (unsigned char*)sbuf->sb_data, sbuf->sb_datalen); |
877 | 062e5527 | aliguori | } |
878 | 062e5527 | aliguori | |
879 | 062e5527 | aliguori | static void slirp_socket_save(QEMUFile *f, struct socket *so) |
880 | 062e5527 | aliguori | { |
881 | 062e5527 | aliguori | qemu_put_be32(f, so->so_urgc); |
882 | 062e5527 | aliguori | qemu_put_be32(f, so->so_faddr.s_addr); |
883 | 062e5527 | aliguori | qemu_put_be32(f, so->so_laddr.s_addr); |
884 | 062e5527 | aliguori | qemu_put_be16(f, so->so_fport); |
885 | 062e5527 | aliguori | qemu_put_be16(f, so->so_lport); |
886 | 062e5527 | aliguori | qemu_put_byte(f, so->so_iptos); |
887 | 062e5527 | aliguori | qemu_put_byte(f, so->so_emu); |
888 | 062e5527 | aliguori | qemu_put_byte(f, so->so_type); |
889 | 062e5527 | aliguori | qemu_put_be32(f, so->so_state); |
890 | 062e5527 | aliguori | slirp_sbuf_save(f, &so->so_rcv); |
891 | 062e5527 | aliguori | slirp_sbuf_save(f, &so->so_snd); |
892 | 062e5527 | aliguori | slirp_tcp_save(f, so->so_tcpcb); |
893 | 062e5527 | aliguori | } |
894 | 062e5527 | aliguori | |
895 | 062e5527 | aliguori | static void slirp_state_save(QEMUFile *f, void *opaque) |
896 | 062e5527 | aliguori | { |
897 | 062e5527 | aliguori | struct ex_list *ex_ptr;
|
898 | 062e5527 | aliguori | |
899 | 062e5527 | aliguori | for (ex_ptr = exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next)
|
900 | 062e5527 | aliguori | if (ex_ptr->ex_pty == 3) { |
901 | 062e5527 | aliguori | struct socket *so;
|
902 | 062e5527 | aliguori | so = slirp_find_ctl_socket(ex_ptr->ex_addr, ntohs(ex_ptr->ex_fport)); |
903 | 062e5527 | aliguori | if (!so)
|
904 | 062e5527 | aliguori | continue;
|
905 | 062e5527 | aliguori | |
906 | 062e5527 | aliguori | qemu_put_byte(f, 42);
|
907 | 062e5527 | aliguori | slirp_socket_save(f, so); |
908 | 062e5527 | aliguori | } |
909 | 062e5527 | aliguori | qemu_put_byte(f, 0);
|
910 | 062e5527 | aliguori | } |
911 | 062e5527 | aliguori | |
912 | 062e5527 | aliguori | static void slirp_tcp_load(QEMUFile *f, struct tcpcb *tp) |
913 | 062e5527 | aliguori | { |
914 | 062e5527 | aliguori | int i;
|
915 | 062e5527 | aliguori | |
916 | 062e5527 | aliguori | tp->t_state = qemu_get_sbe16(f); |
917 | 062e5527 | aliguori | for (i = 0; i < TCPT_NTIMERS; i++) |
918 | 062e5527 | aliguori | tp->t_timer[i] = qemu_get_sbe16(f); |
919 | 062e5527 | aliguori | tp->t_rxtshift = qemu_get_sbe16(f); |
920 | 062e5527 | aliguori | tp->t_rxtcur = qemu_get_sbe16(f); |
921 | 062e5527 | aliguori | tp->t_dupacks = qemu_get_sbe16(f); |
922 | 062e5527 | aliguori | tp->t_maxseg = qemu_get_be16(f); |
923 | 062e5527 | aliguori | tp->t_force = qemu_get_sbyte(f); |
924 | 062e5527 | aliguori | tp->t_flags = qemu_get_be16(f); |
925 | 062e5527 | aliguori | tp->snd_una = qemu_get_be32(f); |
926 | 062e5527 | aliguori | tp->snd_nxt = qemu_get_be32(f); |
927 | 062e5527 | aliguori | tp->snd_up = qemu_get_be32(f); |
928 | 062e5527 | aliguori | tp->snd_wl1 = qemu_get_be32(f); |
929 | 062e5527 | aliguori | tp->snd_wl2 = qemu_get_be32(f); |
930 | 062e5527 | aliguori | tp->iss = qemu_get_be32(f); |
931 | 062e5527 | aliguori | tp->snd_wnd = qemu_get_be32(f); |
932 | 062e5527 | aliguori | tp->rcv_wnd = qemu_get_be32(f); |
933 | 062e5527 | aliguori | tp->rcv_nxt = qemu_get_be32(f); |
934 | 062e5527 | aliguori | tp->rcv_up = qemu_get_be32(f); |
935 | 062e5527 | aliguori | tp->irs = qemu_get_be32(f); |
936 | 062e5527 | aliguori | tp->rcv_adv = qemu_get_be32(f); |
937 | 062e5527 | aliguori | tp->snd_max = qemu_get_be32(f); |
938 | 062e5527 | aliguori | tp->snd_cwnd = qemu_get_be32(f); |
939 | 062e5527 | aliguori | tp->snd_ssthresh = qemu_get_be32(f); |
940 | 062e5527 | aliguori | tp->t_idle = qemu_get_sbe16(f); |
941 | 062e5527 | aliguori | tp->t_rtt = qemu_get_sbe16(f); |
942 | 062e5527 | aliguori | tp->t_rtseq = qemu_get_be32(f); |
943 | 062e5527 | aliguori | tp->t_srtt = qemu_get_sbe16(f); |
944 | 062e5527 | aliguori | tp->t_rttvar = qemu_get_sbe16(f); |
945 | 062e5527 | aliguori | tp->t_rttmin = qemu_get_be16(f); |
946 | 062e5527 | aliguori | tp->max_sndwnd = qemu_get_be32(f); |
947 | 062e5527 | aliguori | tp->t_oobflags = qemu_get_byte(f); |
948 | 062e5527 | aliguori | tp->t_iobc = qemu_get_byte(f); |
949 | 062e5527 | aliguori | tp->t_softerror = qemu_get_sbe16(f); |
950 | 062e5527 | aliguori | tp->snd_scale = qemu_get_byte(f); |
951 | 062e5527 | aliguori | tp->rcv_scale = qemu_get_byte(f); |
952 | 062e5527 | aliguori | tp->request_r_scale = qemu_get_byte(f); |
953 | 062e5527 | aliguori | tp->requested_s_scale = qemu_get_byte(f); |
954 | 062e5527 | aliguori | tp->ts_recent = qemu_get_be32(f); |
955 | 062e5527 | aliguori | tp->ts_recent_age = qemu_get_be32(f); |
956 | 062e5527 | aliguori | tp->last_ack_sent = qemu_get_be32(f); |
957 | 062e5527 | aliguori | tcp_template(tp); |
958 | 062e5527 | aliguori | } |
959 | 062e5527 | aliguori | |
960 | 062e5527 | aliguori | static int slirp_sbuf_load(QEMUFile *f, struct sbuf *sbuf) |
961 | 062e5527 | aliguori | { |
962 | 062e5527 | aliguori | uint32_t off, sb_cc, sb_datalen; |
963 | 062e5527 | aliguori | |
964 | 062e5527 | aliguori | sb_cc = qemu_get_be32(f); |
965 | 062e5527 | aliguori | sb_datalen = qemu_get_be32(f); |
966 | 062e5527 | aliguori | |
967 | 062e5527 | aliguori | sbreserve(sbuf, sb_datalen); |
968 | 062e5527 | aliguori | |
969 | 062e5527 | aliguori | if (sbuf->sb_datalen != sb_datalen)
|
970 | 062e5527 | aliguori | return -ENOMEM;
|
971 | 062e5527 | aliguori | |
972 | 062e5527 | aliguori | sbuf->sb_cc = sb_cc; |
973 | 062e5527 | aliguori | |
974 | 062e5527 | aliguori | off = qemu_get_sbe32(f); |
975 | 062e5527 | aliguori | sbuf->sb_wptr = sbuf->sb_data + off; |
976 | 062e5527 | aliguori | off = qemu_get_sbe32(f); |
977 | 062e5527 | aliguori | sbuf->sb_rptr = sbuf->sb_data + off; |
978 | 062e5527 | aliguori | qemu_get_buffer(f, (unsigned char*)sbuf->sb_data, sbuf->sb_datalen); |
979 | 062e5527 | aliguori | |
980 | 062e5527 | aliguori | return 0; |
981 | 062e5527 | aliguori | } |
982 | 062e5527 | aliguori | |
983 | 062e5527 | aliguori | static int slirp_socket_load(QEMUFile *f, struct socket *so) |
984 | 062e5527 | aliguori | { |
985 | 062e5527 | aliguori | if (tcp_attach(so) < 0) |
986 | 062e5527 | aliguori | return -ENOMEM;
|
987 | 062e5527 | aliguori | |
988 | 062e5527 | aliguori | so->so_urgc = qemu_get_be32(f); |
989 | 062e5527 | aliguori | so->so_faddr.s_addr = qemu_get_be32(f); |
990 | 062e5527 | aliguori | so->so_laddr.s_addr = qemu_get_be32(f); |
991 | 062e5527 | aliguori | so->so_fport = qemu_get_be16(f); |
992 | 062e5527 | aliguori | so->so_lport = qemu_get_be16(f); |
993 | 062e5527 | aliguori | so->so_iptos = qemu_get_byte(f); |
994 | 062e5527 | aliguori | so->so_emu = qemu_get_byte(f); |
995 | 062e5527 | aliguori | so->so_type = qemu_get_byte(f); |
996 | 062e5527 | aliguori | so->so_state = qemu_get_be32(f); |
997 | 062e5527 | aliguori | if (slirp_sbuf_load(f, &so->so_rcv) < 0) |
998 | 062e5527 | aliguori | return -ENOMEM;
|
999 | 062e5527 | aliguori | if (slirp_sbuf_load(f, &so->so_snd) < 0) |
1000 | 062e5527 | aliguori | return -ENOMEM;
|
1001 | 062e5527 | aliguori | slirp_tcp_load(f, so->so_tcpcb); |
1002 | 062e5527 | aliguori | |
1003 | 062e5527 | aliguori | return 0; |
1004 | 062e5527 | aliguori | } |
1005 | 062e5527 | aliguori | |
1006 | 062e5527 | aliguori | static int slirp_state_load(QEMUFile *f, void *opaque, int version_id) |
1007 | 062e5527 | aliguori | { |
1008 | 062e5527 | aliguori | struct ex_list *ex_ptr;
|
1009 | 062e5527 | aliguori | int r;
|
1010 | 062e5527 | aliguori | |
1011 | 062e5527 | aliguori | while ((r = qemu_get_byte(f))) {
|
1012 | 062e5527 | aliguori | int ret;
|
1013 | 062e5527 | aliguori | struct socket *so = socreate();
|
1014 | 062e5527 | aliguori | |
1015 | 062e5527 | aliguori | if (!so)
|
1016 | 062e5527 | aliguori | return -ENOMEM;
|
1017 | 062e5527 | aliguori | |
1018 | 062e5527 | aliguori | ret = slirp_socket_load(f, so); |
1019 | 062e5527 | aliguori | |
1020 | 062e5527 | aliguori | if (ret < 0) |
1021 | 062e5527 | aliguori | return ret;
|
1022 | 062e5527 | aliguori | |
1023 | 062e5527 | aliguori | if ((so->so_faddr.s_addr & htonl(0xffffff00)) != special_addr.s_addr) |
1024 | 062e5527 | aliguori | return -EINVAL;
|
1025 | 062e5527 | aliguori | |
1026 | 062e5527 | aliguori | for (ex_ptr = exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next)
|
1027 | 062e5527 | aliguori | if (ex_ptr->ex_pty == 3 && |
1028 | 062e5527 | aliguori | (ntohl(so->so_faddr.s_addr) & 0xff) == ex_ptr->ex_addr &&
|
1029 | 062e5527 | aliguori | so->so_fport == ex_ptr->ex_fport) |
1030 | 062e5527 | aliguori | break;
|
1031 | 062e5527 | aliguori | |
1032 | 062e5527 | aliguori | if (!ex_ptr)
|
1033 | 062e5527 | aliguori | return -EINVAL;
|
1034 | 062e5527 | aliguori | |
1035 | 0580ac91 | blueswir1 | so->extra = (void *)ex_ptr->ex_exec;
|
1036 | 062e5527 | aliguori | } |
1037 | 062e5527 | aliguori | |
1038 | 062e5527 | aliguori | return 0; |
1039 | 062e5527 | aliguori | } |