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1 | 42281ac9 | Mark McLoughlin | /*
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2 | 42281ac9 | Mark McLoughlin | * QEMU System Emulator
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3 | 42281ac9 | Mark McLoughlin | *
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4 | 42281ac9 | Mark McLoughlin | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 42281ac9 | Mark McLoughlin | *
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6 | 42281ac9 | Mark McLoughlin | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 42281ac9 | Mark McLoughlin | * of this software and associated documentation files (the "Software"), to deal
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8 | 42281ac9 | Mark McLoughlin | * in the Software without restriction, including without limitation the rights
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9 | 42281ac9 | Mark McLoughlin | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 42281ac9 | Mark McLoughlin | * copies of the Software, and to permit persons to whom the Software is
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11 | 42281ac9 | Mark McLoughlin | * furnished to do so, subject to the following conditions:
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12 | 42281ac9 | Mark McLoughlin | *
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13 | 42281ac9 | Mark McLoughlin | * The above copyright notice and this permission notice shall be included in
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14 | 42281ac9 | Mark McLoughlin | * all copies or substantial portions of the Software.
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15 | 42281ac9 | Mark McLoughlin | *
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16 | 42281ac9 | Mark McLoughlin | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 42281ac9 | Mark McLoughlin | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 42281ac9 | Mark McLoughlin | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 42281ac9 | Mark McLoughlin | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 42281ac9 | Mark McLoughlin | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 42281ac9 | Mark McLoughlin | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 42281ac9 | Mark McLoughlin | * THE SOFTWARE.
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23 | 42281ac9 | Mark McLoughlin | */
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24 | 42281ac9 | Mark McLoughlin | #include "net/socket.h" |
25 | 42281ac9 | Mark McLoughlin | |
26 | 42281ac9 | Mark McLoughlin | #include "config-host.h" |
27 | 42281ac9 | Mark McLoughlin | |
28 | 42281ac9 | Mark McLoughlin | #include "net.h" |
29 | 42dcc547 | Luiz Capitulino | #include "monitor.h" |
30 | 42281ac9 | Mark McLoughlin | #include "qemu-char.h" |
31 | 42281ac9 | Mark McLoughlin | #include "qemu-common.h" |
32 | 2f792016 | Markus Armbruster | #include "qemu-error.h" |
33 | 42281ac9 | Mark McLoughlin | #include "qemu-option.h" |
34 | 42281ac9 | Mark McLoughlin | #include "qemu_socket.h" |
35 | 42281ac9 | Mark McLoughlin | |
36 | 42281ac9 | Mark McLoughlin | typedef struct NetSocketState { |
37 | 4e68f7a0 | Stefan Hajnoczi | NetClientState nc; |
38 | 011de2b5 | Zhi Yong Wu | int listen_fd;
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39 | 42281ac9 | Mark McLoughlin | int fd;
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40 | 42281ac9 | Mark McLoughlin | int state; /* 0 = getting length, 1 = getting data */ |
41 | 42281ac9 | Mark McLoughlin | unsigned int index; |
42 | 42281ac9 | Mark McLoughlin | unsigned int packet_len; |
43 | 42281ac9 | Mark McLoughlin | uint8_t buf[4096];
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44 | 42281ac9 | Mark McLoughlin | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
45 | 42281ac9 | Mark McLoughlin | } NetSocketState; |
46 | 42281ac9 | Mark McLoughlin | |
47 | 011de2b5 | Zhi Yong Wu | static void net_socket_accept(void *opaque); |
48 | 42281ac9 | Mark McLoughlin | |
49 | 42281ac9 | Mark McLoughlin | /* XXX: we consider we can send the whole packet without blocking */
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50 | 4e68f7a0 | Stefan Hajnoczi | static ssize_t net_socket_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
51 | 42281ac9 | Mark McLoughlin | { |
52 | 564f63e3 | Mark McLoughlin | NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); |
53 | 42281ac9 | Mark McLoughlin | uint32_t len; |
54 | 42281ac9 | Mark McLoughlin | len = htonl(size); |
55 | 42281ac9 | Mark McLoughlin | |
56 | 42281ac9 | Mark McLoughlin | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
57 | 42281ac9 | Mark McLoughlin | return send_all(s->fd, buf, size);
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58 | 42281ac9 | Mark McLoughlin | } |
59 | 42281ac9 | Mark McLoughlin | |
60 | 4e68f7a0 | Stefan Hajnoczi | static ssize_t net_socket_receive_dgram(NetClientState *nc, const uint8_t *buf, size_t size) |
61 | 42281ac9 | Mark McLoughlin | { |
62 | 564f63e3 | Mark McLoughlin | NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); |
63 | 42281ac9 | Mark McLoughlin | |
64 | 42281ac9 | Mark McLoughlin | return sendto(s->fd, (const void *)buf, size, 0, |
65 | 42281ac9 | Mark McLoughlin | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
66 | 42281ac9 | Mark McLoughlin | } |
67 | 42281ac9 | Mark McLoughlin | |
68 | 42281ac9 | Mark McLoughlin | static void net_socket_send(void *opaque) |
69 | 42281ac9 | Mark McLoughlin | { |
70 | 42281ac9 | Mark McLoughlin | NetSocketState *s = opaque; |
71 | 42281ac9 | Mark McLoughlin | int size, err;
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72 | 42281ac9 | Mark McLoughlin | unsigned l;
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73 | 42281ac9 | Mark McLoughlin | uint8_t buf1[4096];
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74 | 42281ac9 | Mark McLoughlin | const uint8_t *buf;
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75 | 42281ac9 | Mark McLoughlin | |
76 | 00aa0040 | Blue Swirl | size = qemu_recv(s->fd, buf1, sizeof(buf1), 0); |
77 | 42281ac9 | Mark McLoughlin | if (size < 0) { |
78 | 42281ac9 | Mark McLoughlin | err = socket_error(); |
79 | 42281ac9 | Mark McLoughlin | if (err != EWOULDBLOCK)
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80 | 42281ac9 | Mark McLoughlin | goto eoc;
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81 | 42281ac9 | Mark McLoughlin | } else if (size == 0) { |
82 | 42281ac9 | Mark McLoughlin | /* end of connection */
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83 | 42281ac9 | Mark McLoughlin | eoc:
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84 | 42281ac9 | Mark McLoughlin | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
85 | 011de2b5 | Zhi Yong Wu | if (s->listen_fd != -1) { |
86 | 011de2b5 | Zhi Yong Wu | qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
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87 | 011de2b5 | Zhi Yong Wu | } |
88 | 42281ac9 | Mark McLoughlin | closesocket(s->fd); |
89 | 011de2b5 | Zhi Yong Wu | |
90 | 011de2b5 | Zhi Yong Wu | s->fd = -1;
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91 | 011de2b5 | Zhi Yong Wu | s->state = 0;
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92 | 011de2b5 | Zhi Yong Wu | s->index = 0;
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93 | 011de2b5 | Zhi Yong Wu | s->packet_len = 0;
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94 | 011de2b5 | Zhi Yong Wu | s->nc.link_down = true;
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95 | 011de2b5 | Zhi Yong Wu | memset(s->buf, 0, sizeof(s->buf)); |
96 | 011de2b5 | Zhi Yong Wu | memset(s->nc.info_str, 0, sizeof(s->nc.info_str)); |
97 | 011de2b5 | Zhi Yong Wu | |
98 | 42281ac9 | Mark McLoughlin | return;
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99 | 42281ac9 | Mark McLoughlin | } |
100 | 42281ac9 | Mark McLoughlin | buf = buf1; |
101 | 42281ac9 | Mark McLoughlin | while (size > 0) { |
102 | 42281ac9 | Mark McLoughlin | /* reassemble a packet from the network */
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103 | 42281ac9 | Mark McLoughlin | switch(s->state) {
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104 | 42281ac9 | Mark McLoughlin | case 0: |
105 | 42281ac9 | Mark McLoughlin | l = 4 - s->index;
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106 | 42281ac9 | Mark McLoughlin | if (l > size)
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107 | 42281ac9 | Mark McLoughlin | l = size; |
108 | 42281ac9 | Mark McLoughlin | memcpy(s->buf + s->index, buf, l); |
109 | 42281ac9 | Mark McLoughlin | buf += l; |
110 | 42281ac9 | Mark McLoughlin | size -= l; |
111 | 42281ac9 | Mark McLoughlin | s->index += l; |
112 | 42281ac9 | Mark McLoughlin | if (s->index == 4) { |
113 | 42281ac9 | Mark McLoughlin | /* got length */
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114 | 42281ac9 | Mark McLoughlin | s->packet_len = ntohl(*(uint32_t *)s->buf); |
115 | 42281ac9 | Mark McLoughlin | s->index = 0;
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116 | 42281ac9 | Mark McLoughlin | s->state = 1;
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117 | 42281ac9 | Mark McLoughlin | } |
118 | 42281ac9 | Mark McLoughlin | break;
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119 | 42281ac9 | Mark McLoughlin | case 1: |
120 | 42281ac9 | Mark McLoughlin | l = s->packet_len - s->index; |
121 | 42281ac9 | Mark McLoughlin | if (l > size)
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122 | 42281ac9 | Mark McLoughlin | l = size; |
123 | 42281ac9 | Mark McLoughlin | if (s->index + l <= sizeof(s->buf)) { |
124 | 42281ac9 | Mark McLoughlin | memcpy(s->buf + s->index, buf, l); |
125 | 42281ac9 | Mark McLoughlin | } else {
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126 | 42281ac9 | Mark McLoughlin | fprintf(stderr, "serious error: oversized packet received,"
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127 | 42281ac9 | Mark McLoughlin | "connection terminated.\n");
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128 | 42281ac9 | Mark McLoughlin | s->state = 0;
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129 | 42281ac9 | Mark McLoughlin | goto eoc;
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130 | 42281ac9 | Mark McLoughlin | } |
131 | 42281ac9 | Mark McLoughlin | |
132 | 42281ac9 | Mark McLoughlin | s->index += l; |
133 | 42281ac9 | Mark McLoughlin | buf += l; |
134 | 42281ac9 | Mark McLoughlin | size -= l; |
135 | 42281ac9 | Mark McLoughlin | if (s->index >= s->packet_len) {
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136 | 564f63e3 | Mark McLoughlin | qemu_send_packet(&s->nc, s->buf, s->packet_len); |
137 | 42281ac9 | Mark McLoughlin | s->index = 0;
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138 | 42281ac9 | Mark McLoughlin | s->state = 0;
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139 | 42281ac9 | Mark McLoughlin | } |
140 | 42281ac9 | Mark McLoughlin | break;
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141 | 42281ac9 | Mark McLoughlin | } |
142 | 42281ac9 | Mark McLoughlin | } |
143 | 42281ac9 | Mark McLoughlin | } |
144 | 42281ac9 | Mark McLoughlin | |
145 | 42281ac9 | Mark McLoughlin | static void net_socket_send_dgram(void *opaque) |
146 | 42281ac9 | Mark McLoughlin | { |
147 | 42281ac9 | Mark McLoughlin | NetSocketState *s = opaque; |
148 | 42281ac9 | Mark McLoughlin | int size;
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149 | 42281ac9 | Mark McLoughlin | |
150 | 00aa0040 | Blue Swirl | size = qemu_recv(s->fd, s->buf, sizeof(s->buf), 0); |
151 | 42281ac9 | Mark McLoughlin | if (size < 0) |
152 | 42281ac9 | Mark McLoughlin | return;
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153 | 42281ac9 | Mark McLoughlin | if (size == 0) { |
154 | 42281ac9 | Mark McLoughlin | /* end of connection */
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155 | 42281ac9 | Mark McLoughlin | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
156 | 42281ac9 | Mark McLoughlin | return;
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157 | 42281ac9 | Mark McLoughlin | } |
158 | 564f63e3 | Mark McLoughlin | qemu_send_packet(&s->nc, s->buf, size); |
159 | 42281ac9 | Mark McLoughlin | } |
160 | 42281ac9 | Mark McLoughlin | |
161 | 3a75e74c | Mike Ryan | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr *localaddr) |
162 | 42281ac9 | Mark McLoughlin | { |
163 | 42281ac9 | Mark McLoughlin | struct ip_mreq imr;
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164 | 42281ac9 | Mark McLoughlin | int fd;
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165 | 42281ac9 | Mark McLoughlin | int val, ret;
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166 | 23ddf2bb | Brad | #ifdef __OpenBSD__
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167 | 23ddf2bb | Brad | unsigned char loop; |
168 | 23ddf2bb | Brad | #else
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169 | 23ddf2bb | Brad | int loop;
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170 | 23ddf2bb | Brad | #endif
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171 | 23ddf2bb | Brad | |
172 | 42281ac9 | Mark McLoughlin | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
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173 | 842480d4 | Stefan Hajnoczi | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) "
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174 | 842480d4 | Stefan Hajnoczi | "does not contain a multicast address\n",
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175 | 842480d4 | Stefan Hajnoczi | inet_ntoa(mcastaddr->sin_addr), |
176 | 42281ac9 | Mark McLoughlin | (int)ntohl(mcastaddr->sin_addr.s_addr));
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177 | 842480d4 | Stefan Hajnoczi | return -1; |
178 | 42281ac9 | Mark McLoughlin | |
179 | 42281ac9 | Mark McLoughlin | } |
180 | 40ff6d7e | Kevin Wolf | fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
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181 | 42281ac9 | Mark McLoughlin | if (fd < 0) { |
182 | 42281ac9 | Mark McLoughlin | perror("socket(PF_INET, SOCK_DGRAM)");
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183 | 42281ac9 | Mark McLoughlin | return -1; |
184 | 42281ac9 | Mark McLoughlin | } |
185 | 42281ac9 | Mark McLoughlin | |
186 | 42281ac9 | Mark McLoughlin | val = 1;
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187 | 42281ac9 | Mark McLoughlin | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
188 | 42281ac9 | Mark McLoughlin | (const char *)&val, sizeof(val)); |
189 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
190 | 842480d4 | Stefan Hajnoczi | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
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191 | 842480d4 | Stefan Hajnoczi | goto fail;
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192 | 42281ac9 | Mark McLoughlin | } |
193 | 42281ac9 | Mark McLoughlin | |
194 | 42281ac9 | Mark McLoughlin | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
195 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
196 | 42281ac9 | Mark McLoughlin | perror("bind");
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197 | 42281ac9 | Mark McLoughlin | goto fail;
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198 | 42281ac9 | Mark McLoughlin | } |
199 | 42281ac9 | Mark McLoughlin | |
200 | 42281ac9 | Mark McLoughlin | /* Add host to multicast group */
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201 | 42281ac9 | Mark McLoughlin | imr.imr_multiaddr = mcastaddr->sin_addr; |
202 | 3a75e74c | Mike Ryan | if (localaddr) {
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203 | 3a75e74c | Mike Ryan | imr.imr_interface = *localaddr; |
204 | 3a75e74c | Mike Ryan | } else {
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205 | 3a75e74c | Mike Ryan | imr.imr_interface.s_addr = htonl(INADDR_ANY); |
206 | 3a75e74c | Mike Ryan | } |
207 | 42281ac9 | Mark McLoughlin | |
208 | 42281ac9 | Mark McLoughlin | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
209 | 42281ac9 | Mark McLoughlin | (const char *)&imr, sizeof(struct ip_mreq)); |
210 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
211 | 842480d4 | Stefan Hajnoczi | perror("setsockopt(IP_ADD_MEMBERSHIP)");
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212 | 842480d4 | Stefan Hajnoczi | goto fail;
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213 | 42281ac9 | Mark McLoughlin | } |
214 | 42281ac9 | Mark McLoughlin | |
215 | 42281ac9 | Mark McLoughlin | /* Force mcast msgs to loopback (eg. several QEMUs in same host */
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216 | 23ddf2bb | Brad | loop = 1;
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217 | 42281ac9 | Mark McLoughlin | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
218 | 23ddf2bb | Brad | (const char *)&loop, sizeof(loop)); |
219 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
220 | 842480d4 | Stefan Hajnoczi | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
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221 | 842480d4 | Stefan Hajnoczi | goto fail;
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222 | 42281ac9 | Mark McLoughlin | } |
223 | 42281ac9 | Mark McLoughlin | |
224 | 3a75e74c | Mike Ryan | /* If a bind address is given, only send packets from that address */
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225 | 3a75e74c | Mike Ryan | if (localaddr != NULL) { |
226 | 4d22c6c2 | Blue Swirl | ret = setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, |
227 | 4d22c6c2 | Blue Swirl | (const char *)localaddr, sizeof(*localaddr)); |
228 | 3a75e74c | Mike Ryan | if (ret < 0) { |
229 | 3a75e74c | Mike Ryan | perror("setsockopt(IP_MULTICAST_IF)");
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230 | 3a75e74c | Mike Ryan | goto fail;
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231 | 3a75e74c | Mike Ryan | } |
232 | 3a75e74c | Mike Ryan | } |
233 | 3a75e74c | Mike Ryan | |
234 | 42281ac9 | Mark McLoughlin | socket_set_nonblock(fd); |
235 | 42281ac9 | Mark McLoughlin | return fd;
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236 | 42281ac9 | Mark McLoughlin | fail:
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237 | 42281ac9 | Mark McLoughlin | if (fd >= 0) |
238 | 42281ac9 | Mark McLoughlin | closesocket(fd); |
239 | 42281ac9 | Mark McLoughlin | return -1; |
240 | 42281ac9 | Mark McLoughlin | } |
241 | 42281ac9 | Mark McLoughlin | |
242 | 4e68f7a0 | Stefan Hajnoczi | static void net_socket_cleanup(NetClientState *nc) |
243 | 42281ac9 | Mark McLoughlin | { |
244 | 564f63e3 | Mark McLoughlin | NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc); |
245 | 011de2b5 | Zhi Yong Wu | if (s->fd != -1) { |
246 | 011de2b5 | Zhi Yong Wu | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
247 | 011de2b5 | Zhi Yong Wu | close(s->fd); |
248 | 011de2b5 | Zhi Yong Wu | s->fd = -1;
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249 | 011de2b5 | Zhi Yong Wu | } |
250 | 011de2b5 | Zhi Yong Wu | if (s->listen_fd != -1) { |
251 | 011de2b5 | Zhi Yong Wu | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
252 | 011de2b5 | Zhi Yong Wu | closesocket(s->listen_fd); |
253 | 011de2b5 | Zhi Yong Wu | s->listen_fd = -1;
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254 | 011de2b5 | Zhi Yong Wu | } |
255 | 42281ac9 | Mark McLoughlin | } |
256 | 42281ac9 | Mark McLoughlin | |
257 | 564f63e3 | Mark McLoughlin | static NetClientInfo net_dgram_socket_info = {
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258 | 2be64a68 | Laszlo Ersek | .type = NET_CLIENT_OPTIONS_KIND_SOCKET, |
259 | 564f63e3 | Mark McLoughlin | .size = sizeof(NetSocketState),
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260 | 564f63e3 | Mark McLoughlin | .receive = net_socket_receive_dgram, |
261 | 564f63e3 | Mark McLoughlin | .cleanup = net_socket_cleanup, |
262 | 564f63e3 | Mark McLoughlin | }; |
263 | 564f63e3 | Mark McLoughlin | |
264 | 4e68f7a0 | Stefan Hajnoczi | static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
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265 | 42281ac9 | Mark McLoughlin | const char *model, |
266 | 42281ac9 | Mark McLoughlin | const char *name, |
267 | 42281ac9 | Mark McLoughlin | int fd, int is_connected) |
268 | 42281ac9 | Mark McLoughlin | { |
269 | 42281ac9 | Mark McLoughlin | struct sockaddr_in saddr;
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270 | 42281ac9 | Mark McLoughlin | int newfd;
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271 | 42281ac9 | Mark McLoughlin | socklen_t saddr_len; |
272 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *nc; |
273 | 42281ac9 | Mark McLoughlin | NetSocketState *s; |
274 | 42281ac9 | Mark McLoughlin | |
275 | 42281ac9 | Mark McLoughlin | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
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276 | 42281ac9 | Mark McLoughlin | * Because this may be "shared" socket from a "master" process, datagrams would be recv()
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277 | 42281ac9 | Mark McLoughlin | * by ONLY ONE process: we must "clone" this dgram socket --jjo
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278 | 42281ac9 | Mark McLoughlin | */
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279 | 42281ac9 | Mark McLoughlin | |
280 | 42281ac9 | Mark McLoughlin | if (is_connected) {
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281 | 842480d4 | Stefan Hajnoczi | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
282 | 842480d4 | Stefan Hajnoczi | /* must be bound */
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283 | 842480d4 | Stefan Hajnoczi | if (saddr.sin_addr.s_addr == 0) { |
284 | 842480d4 | Stefan Hajnoczi | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "
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285 | 842480d4 | Stefan Hajnoczi | "cannot setup multicast dst addr\n", fd);
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286 | e5d1fca0 | Stefan Hajnoczi | goto err;
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287 | 842480d4 | Stefan Hajnoczi | } |
288 | 842480d4 | Stefan Hajnoczi | /* clone dgram socket */
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289 | 842480d4 | Stefan Hajnoczi | newfd = net_socket_mcast_create(&saddr, NULL);
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290 | 842480d4 | Stefan Hajnoczi | if (newfd < 0) { |
291 | 842480d4 | Stefan Hajnoczi | /* error already reported by net_socket_mcast_create() */
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292 | e5d1fca0 | Stefan Hajnoczi | goto err;
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293 | 842480d4 | Stefan Hajnoczi | } |
294 | 842480d4 | Stefan Hajnoczi | /* clone newfd to fd, close newfd */
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295 | 842480d4 | Stefan Hajnoczi | dup2(newfd, fd); |
296 | 842480d4 | Stefan Hajnoczi | close(newfd); |
297 | 842480d4 | Stefan Hajnoczi | |
298 | 842480d4 | Stefan Hajnoczi | } else {
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299 | 842480d4 | Stefan Hajnoczi | fprintf(stderr, |
300 | 842480d4 | Stefan Hajnoczi | "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
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301 | 842480d4 | Stefan Hajnoczi | fd, strerror(errno)); |
302 | e5d1fca0 | Stefan Hajnoczi | goto err;
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303 | 842480d4 | Stefan Hajnoczi | } |
304 | 42281ac9 | Mark McLoughlin | } |
305 | 42281ac9 | Mark McLoughlin | |
306 | ab5f3f84 | Stefan Hajnoczi | nc = qemu_new_net_client(&net_dgram_socket_info, peer, model, name); |
307 | 564f63e3 | Mark McLoughlin | |
308 | 564f63e3 | Mark McLoughlin | snprintf(nc->info_str, sizeof(nc->info_str),
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309 | 842480d4 | Stefan Hajnoczi | "socket: fd=%d (%s mcast=%s:%d)",
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310 | 842480d4 | Stefan Hajnoczi | fd, is_connected ? "cloned" : "", |
311 | 842480d4 | Stefan Hajnoczi | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
312 | 564f63e3 | Mark McLoughlin | |
313 | 564f63e3 | Mark McLoughlin | s = DO_UPCAST(NetSocketState, nc, nc); |
314 | 564f63e3 | Mark McLoughlin | |
315 | 42281ac9 | Mark McLoughlin | s->fd = fd; |
316 | 011de2b5 | Zhi Yong Wu | s->listen_fd = -1;
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317 | 42281ac9 | Mark McLoughlin | |
318 | 42281ac9 | Mark McLoughlin | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
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319 | 42281ac9 | Mark McLoughlin | |
320 | 42281ac9 | Mark McLoughlin | /* mcast: save bound address as dst */
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321 | e34cde35 | Zhi Yong Wu | if (is_connected) {
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322 | e34cde35 | Zhi Yong Wu | s->dgram_dst = saddr; |
323 | e34cde35 | Zhi Yong Wu | } |
324 | 42281ac9 | Mark McLoughlin | |
325 | 42281ac9 | Mark McLoughlin | return s;
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326 | e5d1fca0 | Stefan Hajnoczi | |
327 | e5d1fca0 | Stefan Hajnoczi | err:
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328 | e5d1fca0 | Stefan Hajnoczi | closesocket(fd); |
329 | e5d1fca0 | Stefan Hajnoczi | return NULL; |
330 | 42281ac9 | Mark McLoughlin | } |
331 | 42281ac9 | Mark McLoughlin | |
332 | 42281ac9 | Mark McLoughlin | static void net_socket_connect(void *opaque) |
333 | 42281ac9 | Mark McLoughlin | { |
334 | 42281ac9 | Mark McLoughlin | NetSocketState *s = opaque; |
335 | 42281ac9 | Mark McLoughlin | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
336 | 42281ac9 | Mark McLoughlin | } |
337 | 42281ac9 | Mark McLoughlin | |
338 | 564f63e3 | Mark McLoughlin | static NetClientInfo net_socket_info = {
|
339 | 2be64a68 | Laszlo Ersek | .type = NET_CLIENT_OPTIONS_KIND_SOCKET, |
340 | 564f63e3 | Mark McLoughlin | .size = sizeof(NetSocketState),
|
341 | 564f63e3 | Mark McLoughlin | .receive = net_socket_receive, |
342 | 564f63e3 | Mark McLoughlin | .cleanup = net_socket_cleanup, |
343 | 564f63e3 | Mark McLoughlin | }; |
344 | 564f63e3 | Mark McLoughlin | |
345 | 4e68f7a0 | Stefan Hajnoczi | static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
|
346 | 42281ac9 | Mark McLoughlin | const char *model, |
347 | 42281ac9 | Mark McLoughlin | const char *name, |
348 | 42281ac9 | Mark McLoughlin | int fd, int is_connected) |
349 | 42281ac9 | Mark McLoughlin | { |
350 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *nc; |
351 | 42281ac9 | Mark McLoughlin | NetSocketState *s; |
352 | 564f63e3 | Mark McLoughlin | |
353 | ab5f3f84 | Stefan Hajnoczi | nc = qemu_new_net_client(&net_socket_info, peer, model, name); |
354 | 564f63e3 | Mark McLoughlin | |
355 | 564f63e3 | Mark McLoughlin | snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd); |
356 | 564f63e3 | Mark McLoughlin | |
357 | 564f63e3 | Mark McLoughlin | s = DO_UPCAST(NetSocketState, nc, nc); |
358 | 564f63e3 | Mark McLoughlin | |
359 | 42281ac9 | Mark McLoughlin | s->fd = fd; |
360 | 011de2b5 | Zhi Yong Wu | s->listen_fd = -1;
|
361 | 564f63e3 | Mark McLoughlin | |
362 | 42281ac9 | Mark McLoughlin | if (is_connected) {
|
363 | 42281ac9 | Mark McLoughlin | net_socket_connect(s); |
364 | 42281ac9 | Mark McLoughlin | } else {
|
365 | 42281ac9 | Mark McLoughlin | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
366 | 42281ac9 | Mark McLoughlin | } |
367 | 42281ac9 | Mark McLoughlin | return s;
|
368 | 42281ac9 | Mark McLoughlin | } |
369 | 42281ac9 | Mark McLoughlin | |
370 | 4e68f7a0 | Stefan Hajnoczi | static NetSocketState *net_socket_fd_init(NetClientState *peer,
|
371 | 42281ac9 | Mark McLoughlin | const char *model, const char *name, |
372 | 42281ac9 | Mark McLoughlin | int fd, int is_connected) |
373 | 42281ac9 | Mark McLoughlin | { |
374 | 42281ac9 | Mark McLoughlin | int so_type = -1, optlen=sizeof(so_type); |
375 | 42281ac9 | Mark McLoughlin | |
376 | 42281ac9 | Mark McLoughlin | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
377 | 42281ac9 | Mark McLoughlin | (socklen_t *)&optlen)< 0) {
|
378 | 842480d4 | Stefan Hajnoczi | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n",
|
379 | 842480d4 | Stefan Hajnoczi | fd); |
380 | e5d1fca0 | Stefan Hajnoczi | closesocket(fd); |
381 | 842480d4 | Stefan Hajnoczi | return NULL; |
382 | 42281ac9 | Mark McLoughlin | } |
383 | 42281ac9 | Mark McLoughlin | switch(so_type) {
|
384 | 42281ac9 | Mark McLoughlin | case SOCK_DGRAM:
|
385 | d33d93b2 | Stefan Hajnoczi | return net_socket_fd_init_dgram(peer, model, name, fd, is_connected);
|
386 | 42281ac9 | Mark McLoughlin | case SOCK_STREAM:
|
387 | d33d93b2 | Stefan Hajnoczi | return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
|
388 | 42281ac9 | Mark McLoughlin | default:
|
389 | 42281ac9 | Mark McLoughlin | /* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
390 | 42281ac9 | Mark McLoughlin | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
391 | d33d93b2 | Stefan Hajnoczi | return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
|
392 | 42281ac9 | Mark McLoughlin | } |
393 | 42281ac9 | Mark McLoughlin | return NULL; |
394 | 42281ac9 | Mark McLoughlin | } |
395 | 42281ac9 | Mark McLoughlin | |
396 | 42281ac9 | Mark McLoughlin | static void net_socket_accept(void *opaque) |
397 | 42281ac9 | Mark McLoughlin | { |
398 | 011de2b5 | Zhi Yong Wu | NetSocketState *s = opaque; |
399 | 42281ac9 | Mark McLoughlin | struct sockaddr_in saddr;
|
400 | 42281ac9 | Mark McLoughlin | socklen_t len; |
401 | 42281ac9 | Mark McLoughlin | int fd;
|
402 | 42281ac9 | Mark McLoughlin | |
403 | 42281ac9 | Mark McLoughlin | for(;;) {
|
404 | 42281ac9 | Mark McLoughlin | len = sizeof(saddr);
|
405 | 011de2b5 | Zhi Yong Wu | fd = qemu_accept(s->listen_fd, (struct sockaddr *)&saddr, &len);
|
406 | 42281ac9 | Mark McLoughlin | if (fd < 0 && errno != EINTR) { |
407 | 42281ac9 | Mark McLoughlin | return;
|
408 | 42281ac9 | Mark McLoughlin | } else if (fd >= 0) { |
409 | 011de2b5 | Zhi Yong Wu | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
410 | 42281ac9 | Mark McLoughlin | break;
|
411 | 42281ac9 | Mark McLoughlin | } |
412 | 42281ac9 | Mark McLoughlin | } |
413 | 011de2b5 | Zhi Yong Wu | |
414 | 011de2b5 | Zhi Yong Wu | s->fd = fd; |
415 | 011de2b5 | Zhi Yong Wu | s->nc.link_down = false;
|
416 | 011de2b5 | Zhi Yong Wu | net_socket_connect(s); |
417 | 011de2b5 | Zhi Yong Wu | snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
418 | 011de2b5 | Zhi Yong Wu | "socket: connection from %s:%d",
|
419 | 011de2b5 | Zhi Yong Wu | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
420 | 42281ac9 | Mark McLoughlin | } |
421 | 42281ac9 | Mark McLoughlin | |
422 | 4e68f7a0 | Stefan Hajnoczi | static int net_socket_listen_init(NetClientState *peer, |
423 | 42281ac9 | Mark McLoughlin | const char *model, |
424 | 42281ac9 | Mark McLoughlin | const char *name, |
425 | 42281ac9 | Mark McLoughlin | const char *host_str) |
426 | 42281ac9 | Mark McLoughlin | { |
427 | 011de2b5 | Zhi Yong Wu | NetClientState *nc; |
428 | 011de2b5 | Zhi Yong Wu | NetSocketState *s; |
429 | 42281ac9 | Mark McLoughlin | struct sockaddr_in saddr;
|
430 | 011de2b5 | Zhi Yong Wu | int fd, val, ret;
|
431 | 42281ac9 | Mark McLoughlin | |
432 | 42281ac9 | Mark McLoughlin | if (parse_host_port(&saddr, host_str) < 0) |
433 | 42281ac9 | Mark McLoughlin | return -1; |
434 | 42281ac9 | Mark McLoughlin | |
435 | 40ff6d7e | Kevin Wolf | fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
|
436 | 42281ac9 | Mark McLoughlin | if (fd < 0) { |
437 | 42281ac9 | Mark McLoughlin | perror("socket");
|
438 | 42281ac9 | Mark McLoughlin | return -1; |
439 | 42281ac9 | Mark McLoughlin | } |
440 | 42281ac9 | Mark McLoughlin | socket_set_nonblock(fd); |
441 | 42281ac9 | Mark McLoughlin | |
442 | 42281ac9 | Mark McLoughlin | /* allow fast reuse */
|
443 | 42281ac9 | Mark McLoughlin | val = 1;
|
444 | 42281ac9 | Mark McLoughlin | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
445 | 42281ac9 | Mark McLoughlin | |
446 | 42281ac9 | Mark McLoughlin | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
447 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
448 | 42281ac9 | Mark McLoughlin | perror("bind");
|
449 | a46667ea | Peter Maydell | closesocket(fd); |
450 | 42281ac9 | Mark McLoughlin | return -1; |
451 | 42281ac9 | Mark McLoughlin | } |
452 | 42281ac9 | Mark McLoughlin | ret = listen(fd, 0);
|
453 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
454 | 42281ac9 | Mark McLoughlin | perror("listen");
|
455 | a46667ea | Peter Maydell | closesocket(fd); |
456 | 42281ac9 | Mark McLoughlin | return -1; |
457 | 42281ac9 | Mark McLoughlin | } |
458 | 011de2b5 | Zhi Yong Wu | |
459 | 011de2b5 | Zhi Yong Wu | nc = qemu_new_net_client(&net_socket_info, peer, model, name); |
460 | 011de2b5 | Zhi Yong Wu | s = DO_UPCAST(NetSocketState, nc, nc); |
461 | 011de2b5 | Zhi Yong Wu | s->fd = -1;
|
462 | 011de2b5 | Zhi Yong Wu | s->listen_fd = fd; |
463 | 011de2b5 | Zhi Yong Wu | s->nc.link_down = true;
|
464 | 011de2b5 | Zhi Yong Wu | |
465 | 011de2b5 | Zhi Yong Wu | qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
|
466 | 42281ac9 | Mark McLoughlin | return 0; |
467 | 42281ac9 | Mark McLoughlin | } |
468 | 42281ac9 | Mark McLoughlin | |
469 | 4e68f7a0 | Stefan Hajnoczi | static int net_socket_connect_init(NetClientState *peer, |
470 | 42281ac9 | Mark McLoughlin | const char *model, |
471 | 42281ac9 | Mark McLoughlin | const char *name, |
472 | 42281ac9 | Mark McLoughlin | const char *host_str) |
473 | 42281ac9 | Mark McLoughlin | { |
474 | 42281ac9 | Mark McLoughlin | NetSocketState *s; |
475 | 42281ac9 | Mark McLoughlin | int fd, connected, ret, err;
|
476 | 42281ac9 | Mark McLoughlin | struct sockaddr_in saddr;
|
477 | 42281ac9 | Mark McLoughlin | |
478 | 42281ac9 | Mark McLoughlin | if (parse_host_port(&saddr, host_str) < 0) |
479 | 42281ac9 | Mark McLoughlin | return -1; |
480 | 42281ac9 | Mark McLoughlin | |
481 | 40ff6d7e | Kevin Wolf | fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
|
482 | 42281ac9 | Mark McLoughlin | if (fd < 0) { |
483 | 42281ac9 | Mark McLoughlin | perror("socket");
|
484 | 42281ac9 | Mark McLoughlin | return -1; |
485 | 42281ac9 | Mark McLoughlin | } |
486 | 42281ac9 | Mark McLoughlin | socket_set_nonblock(fd); |
487 | 42281ac9 | Mark McLoughlin | |
488 | 42281ac9 | Mark McLoughlin | connected = 0;
|
489 | 42281ac9 | Mark McLoughlin | for(;;) {
|
490 | 42281ac9 | Mark McLoughlin | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
491 | 42281ac9 | Mark McLoughlin | if (ret < 0) { |
492 | 42281ac9 | Mark McLoughlin | err = socket_error(); |
493 | 42281ac9 | Mark McLoughlin | if (err == EINTR || err == EWOULDBLOCK) {
|
494 | 42281ac9 | Mark McLoughlin | } else if (err == EINPROGRESS) { |
495 | 42281ac9 | Mark McLoughlin | break;
|
496 | 42281ac9 | Mark McLoughlin | #ifdef _WIN32
|
497 | c7eb1f02 | Pavel Dovgaluk | } else if (err == WSAEALREADY || err == WSAEINVAL) { |
498 | 42281ac9 | Mark McLoughlin | break;
|
499 | 42281ac9 | Mark McLoughlin | #endif
|
500 | 42281ac9 | Mark McLoughlin | } else {
|
501 | 42281ac9 | Mark McLoughlin | perror("connect");
|
502 | 42281ac9 | Mark McLoughlin | closesocket(fd); |
503 | 42281ac9 | Mark McLoughlin | return -1; |
504 | 42281ac9 | Mark McLoughlin | } |
505 | 42281ac9 | Mark McLoughlin | } else {
|
506 | 42281ac9 | Mark McLoughlin | connected = 1;
|
507 | 42281ac9 | Mark McLoughlin | break;
|
508 | 42281ac9 | Mark McLoughlin | } |
509 | 42281ac9 | Mark McLoughlin | } |
510 | d33d93b2 | Stefan Hajnoczi | s = net_socket_fd_init(peer, model, name, fd, connected); |
511 | 42281ac9 | Mark McLoughlin | if (!s)
|
512 | 42281ac9 | Mark McLoughlin | return -1; |
513 | 564f63e3 | Mark McLoughlin | snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
514 | 42281ac9 | Mark McLoughlin | "socket: connect to %s:%d",
|
515 | 42281ac9 | Mark McLoughlin | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
516 | 42281ac9 | Mark McLoughlin | return 0; |
517 | 42281ac9 | Mark McLoughlin | } |
518 | 42281ac9 | Mark McLoughlin | |
519 | 4e68f7a0 | Stefan Hajnoczi | static int net_socket_mcast_init(NetClientState *peer, |
520 | 42281ac9 | Mark McLoughlin | const char *model, |
521 | 42281ac9 | Mark McLoughlin | const char *name, |
522 | 3a75e74c | Mike Ryan | const char *host_str, |
523 | 3a75e74c | Mike Ryan | const char *localaddr_str) |
524 | 42281ac9 | Mark McLoughlin | { |
525 | 42281ac9 | Mark McLoughlin | NetSocketState *s; |
526 | 42281ac9 | Mark McLoughlin | int fd;
|
527 | 42281ac9 | Mark McLoughlin | struct sockaddr_in saddr;
|
528 | 3a75e74c | Mike Ryan | struct in_addr localaddr, *param_localaddr;
|
529 | 42281ac9 | Mark McLoughlin | |
530 | 42281ac9 | Mark McLoughlin | if (parse_host_port(&saddr, host_str) < 0) |
531 | 42281ac9 | Mark McLoughlin | return -1; |
532 | 42281ac9 | Mark McLoughlin | |
533 | 3a75e74c | Mike Ryan | if (localaddr_str != NULL) { |
534 | 3a75e74c | Mike Ryan | if (inet_aton(localaddr_str, &localaddr) == 0) |
535 | 3a75e74c | Mike Ryan | return -1; |
536 | 3a75e74c | Mike Ryan | param_localaddr = &localaddr; |
537 | 3a75e74c | Mike Ryan | } else {
|
538 | 3a75e74c | Mike Ryan | param_localaddr = NULL;
|
539 | 3a75e74c | Mike Ryan | } |
540 | 42281ac9 | Mark McLoughlin | |
541 | 3a75e74c | Mike Ryan | fd = net_socket_mcast_create(&saddr, param_localaddr); |
542 | 42281ac9 | Mark McLoughlin | if (fd < 0) |
543 | 842480d4 | Stefan Hajnoczi | return -1; |
544 | 42281ac9 | Mark McLoughlin | |
545 | d33d93b2 | Stefan Hajnoczi | s = net_socket_fd_init(peer, model, name, fd, 0);
|
546 | 42281ac9 | Mark McLoughlin | if (!s)
|
547 | 42281ac9 | Mark McLoughlin | return -1; |
548 | 42281ac9 | Mark McLoughlin | |
549 | 42281ac9 | Mark McLoughlin | s->dgram_dst = saddr; |
550 | 42281ac9 | Mark McLoughlin | |
551 | 564f63e3 | Mark McLoughlin | snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
552 | 42281ac9 | Mark McLoughlin | "socket: mcast=%s:%d",
|
553 | 42281ac9 | Mark McLoughlin | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
554 | 42281ac9 | Mark McLoughlin | return 0; |
555 | 42281ac9 | Mark McLoughlin | |
556 | 42281ac9 | Mark McLoughlin | } |
557 | 42281ac9 | Mark McLoughlin | |
558 | 4e68f7a0 | Stefan Hajnoczi | static int net_socket_udp_init(NetClientState *peer, |
559 | 0e0e7fac | Benjamin | const char *model, |
560 | 0e0e7fac | Benjamin | const char *name, |
561 | 0e0e7fac | Benjamin | const char *rhost, |
562 | 0e0e7fac | Benjamin | const char *lhost) |
563 | 0e0e7fac | Benjamin | { |
564 | 0e0e7fac | Benjamin | NetSocketState *s; |
565 | 0e0e7fac | Benjamin | int fd, val, ret;
|
566 | 0e0e7fac | Benjamin | struct sockaddr_in laddr, raddr;
|
567 | 0e0e7fac | Benjamin | |
568 | 0e0e7fac | Benjamin | if (parse_host_port(&laddr, lhost) < 0) { |
569 | 0e0e7fac | Benjamin | return -1; |
570 | 0e0e7fac | Benjamin | } |
571 | 0e0e7fac | Benjamin | |
572 | 0e0e7fac | Benjamin | if (parse_host_port(&raddr, rhost) < 0) { |
573 | 0e0e7fac | Benjamin | return -1; |
574 | 0e0e7fac | Benjamin | } |
575 | 0e0e7fac | Benjamin | |
576 | 0e0e7fac | Benjamin | fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
|
577 | 0e0e7fac | Benjamin | if (fd < 0) { |
578 | 0e0e7fac | Benjamin | perror("socket(PF_INET, SOCK_DGRAM)");
|
579 | 0e0e7fac | Benjamin | return -1; |
580 | 0e0e7fac | Benjamin | } |
581 | 0e0e7fac | Benjamin | val = 1;
|
582 | 0e0e7fac | Benjamin | ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
583 | 0e0e7fac | Benjamin | (const char *)&val, sizeof(val)); |
584 | 0e0e7fac | Benjamin | if (ret < 0) { |
585 | 0e0e7fac | Benjamin | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
586 | 0e0e7fac | Benjamin | closesocket(fd); |
587 | 0e0e7fac | Benjamin | return -1; |
588 | 0e0e7fac | Benjamin | } |
589 | 0e0e7fac | Benjamin | ret = bind(fd, (struct sockaddr *)&laddr, sizeof(laddr)); |
590 | 0e0e7fac | Benjamin | if (ret < 0) { |
591 | 0e0e7fac | Benjamin | perror("bind");
|
592 | 0e0e7fac | Benjamin | closesocket(fd); |
593 | 0e0e7fac | Benjamin | return -1; |
594 | 0e0e7fac | Benjamin | } |
595 | 0e0e7fac | Benjamin | |
596 | d33d93b2 | Stefan Hajnoczi | s = net_socket_fd_init(peer, model, name, fd, 0);
|
597 | 0e0e7fac | Benjamin | if (!s) {
|
598 | 0e0e7fac | Benjamin | return -1; |
599 | 0e0e7fac | Benjamin | } |
600 | 0e0e7fac | Benjamin | |
601 | 0e0e7fac | Benjamin | s->dgram_dst = raddr; |
602 | 0e0e7fac | Benjamin | |
603 | 0e0e7fac | Benjamin | snprintf(s->nc.info_str, sizeof(s->nc.info_str),
|
604 | 0e0e7fac | Benjamin | "socket: udp=%s:%d",
|
605 | 0e0e7fac | Benjamin | inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port)); |
606 | 0e0e7fac | Benjamin | return 0; |
607 | 0e0e7fac | Benjamin | } |
608 | 0e0e7fac | Benjamin | |
609 | 1a0c0958 | Laszlo Ersek | int net_init_socket(const NetClientOptions *opts, const char *name, |
610 | 4e68f7a0 | Stefan Hajnoczi | NetClientState *peer) |
611 | 42281ac9 | Mark McLoughlin | { |
612 | bef8e8fe | Laszlo Ersek | const NetdevSocketOptions *sock;
|
613 | 42281ac9 | Mark McLoughlin | |
614 | bef8e8fe | Laszlo Ersek | assert(opts->kind == NET_CLIENT_OPTIONS_KIND_SOCKET); |
615 | bef8e8fe | Laszlo Ersek | sock = opts->socket; |
616 | 42281ac9 | Mark McLoughlin | |
617 | bef8e8fe | Laszlo Ersek | if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast +
|
618 | bef8e8fe | Laszlo Ersek | sock->has_udp != 1) {
|
619 | bef8e8fe | Laszlo Ersek | error_report("exactly one of fd=, listen=, connect=, mcast= or udp="
|
620 | bef8e8fe | Laszlo Ersek | " is required");
|
621 | bef8e8fe | Laszlo Ersek | return -1; |
622 | bef8e8fe | Laszlo Ersek | } |
623 | 42281ac9 | Mark McLoughlin | |
624 | bef8e8fe | Laszlo Ersek | if (sock->has_localaddr && !sock->has_mcast && !sock->has_udp) {
|
625 | bef8e8fe | Laszlo Ersek | error_report("localaddr= is only valid with mcast= or udp=");
|
626 | bef8e8fe | Laszlo Ersek | return -1; |
627 | bef8e8fe | Laszlo Ersek | } |
628 | 42281ac9 | Mark McLoughlin | |
629 | bef8e8fe | Laszlo Ersek | if (sock->has_fd) {
|
630 | bef8e8fe | Laszlo Ersek | int fd;
|
631 | 42281ac9 | Mark McLoughlin | |
632 | a96ed02f | Nicholas Bellinger | fd = monitor_handle_fd_param(cur_mon, sock->fd); |
633 | d33d93b2 | Stefan Hajnoczi | if (fd == -1 || !net_socket_fd_init(peer, "socket", name, fd, 1)) { |
634 | 42281ac9 | Mark McLoughlin | return -1; |
635 | 42281ac9 | Mark McLoughlin | } |
636 | bef8e8fe | Laszlo Ersek | return 0; |
637 | bef8e8fe | Laszlo Ersek | } |
638 | 42281ac9 | Mark McLoughlin | |
639 | bef8e8fe | Laszlo Ersek | if (sock->has_listen) {
|
640 | d33d93b2 | Stefan Hajnoczi | if (net_socket_listen_init(peer, "socket", name, sock->listen) == -1) { |
641 | 42281ac9 | Mark McLoughlin | return -1; |
642 | 42281ac9 | Mark McLoughlin | } |
643 | bef8e8fe | Laszlo Ersek | return 0; |
644 | bef8e8fe | Laszlo Ersek | } |
645 | 42281ac9 | Mark McLoughlin | |
646 | bef8e8fe | Laszlo Ersek | if (sock->has_connect) {
|
647 | d33d93b2 | Stefan Hajnoczi | if (net_socket_connect_init(peer, "socket", name, sock->connect) == |
648 | bef8e8fe | Laszlo Ersek | -1) {
|
649 | 42281ac9 | Mark McLoughlin | return -1; |
650 | 42281ac9 | Mark McLoughlin | } |
651 | bef8e8fe | Laszlo Ersek | return 0; |
652 | bef8e8fe | Laszlo Ersek | } |
653 | 42281ac9 | Mark McLoughlin | |
654 | bef8e8fe | Laszlo Ersek | if (sock->has_mcast) {
|
655 | bef8e8fe | Laszlo Ersek | /* if sock->localaddr is missing, it has been initialized to "all bits
|
656 | bef8e8fe | Laszlo Ersek | * zero" */
|
657 | d33d93b2 | Stefan Hajnoczi | if (net_socket_mcast_init(peer, "socket", name, sock->mcast, |
658 | bef8e8fe | Laszlo Ersek | sock->localaddr) == -1) {
|
659 | 0e0e7fac | Benjamin | return -1; |
660 | 0e0e7fac | Benjamin | } |
661 | bef8e8fe | Laszlo Ersek | return 0; |
662 | bef8e8fe | Laszlo Ersek | } |
663 | 0e0e7fac | Benjamin | |
664 | bef8e8fe | Laszlo Ersek | assert(sock->has_udp); |
665 | bef8e8fe | Laszlo Ersek | if (!sock->has_localaddr) {
|
666 | bef8e8fe | Laszlo Ersek | error_report("localaddr= is mandatory with udp=");
|
667 | bef8e8fe | Laszlo Ersek | return -1; |
668 | bef8e8fe | Laszlo Ersek | } |
669 | d33d93b2 | Stefan Hajnoczi | if (net_socket_udp_init(peer, "udp", name, sock->udp, sock->localaddr) == |
670 | bef8e8fe | Laszlo Ersek | -1) {
|
671 | 42281ac9 | Mark McLoughlin | return -1; |
672 | 42281ac9 | Mark McLoughlin | } |
673 | 42281ac9 | Mark McLoughlin | return 0; |
674 | 42281ac9 | Mark McLoughlin | } |