Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
Markus Armbruster | 452fcdb | 2018-02-01 12:18:39 +0100 | [diff] [blame] | 24 | |
Peter Maydell | 2744d92 | 2016-01-29 17:50:00 +0000 | [diff] [blame] | 25 | #include "qemu/osdep.h" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 26 | #include "net/slirp.h" |
| 27 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 28 | |
Blue Swirl | 28b150b | 2010-01-27 17:47:33 +0000 | [diff] [blame] | 29 | #ifndef _WIN32 |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 30 | #include <pwd.h> |
Blue Swirl | 28b150b | 2010-01-27 17:47:33 +0000 | [diff] [blame] | 31 | #include <sys/wait.h> |
| 32 | #endif |
Paolo Bonzini | 1422e32 | 2012-10-24 08:43:34 +0200 | [diff] [blame] | 33 | #include "net/net.h" |
Paolo Bonzini | a245fc1 | 2012-09-17 18:43:51 +0200 | [diff] [blame] | 34 | #include "clients.h" |
| 35 | #include "hub.h" |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 36 | #include "monitor/monitor.h" |
Markus Armbruster | d49b683 | 2015-03-17 18:29:20 +0100 | [diff] [blame] | 37 | #include "qemu/error-report.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 38 | #include "qemu/sockets.h" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 39 | #include "slirp/libslirp.h" |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 40 | #include "slirp/ip6.h" |
Marc-André Lureau | 4d43a60 | 2017-01-26 18:26:44 +0400 | [diff] [blame] | 41 | #include "chardev/char-fe.h" |
Paolo Bonzini | f6c2e66 | 2016-07-12 09:57:12 +0200 | [diff] [blame] | 42 | #include "sysemu/sysemu.h" |
Veronia Bahaa | f348b6d | 2016-03-20 19:16:19 +0200 | [diff] [blame] | 43 | #include "qemu/cutils.h" |
Marc-André Lureau | 32a6ebe | 2016-10-22 12:52:52 +0300 | [diff] [blame] | 44 | #include "qapi/error.h" |
Markus Armbruster | 452fcdb | 2018-02-01 12:18:39 +0100 | [diff] [blame] | 45 | #include "qapi/qmp/qdict.h" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 46 | |
| 47 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 48 | { |
| 49 | const char *p, *p1; |
| 50 | int len; |
| 51 | p = *pp; |
| 52 | p1 = strchr(p, sep); |
| 53 | if (!p1) |
| 54 | return -1; |
| 55 | len = p1 - p; |
| 56 | p1++; |
| 57 | if (buf_size > 0) { |
| 58 | if (len > buf_size - 1) |
| 59 | len = buf_size - 1; |
| 60 | memcpy(buf, p, len); |
| 61 | buf[len] = '\0'; |
| 62 | } |
| 63 | *pp = p1; |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | /* slirp network adapter */ |
| 68 | |
| 69 | #define SLIRP_CFG_HOSTFWD 1 |
| 70 | #define SLIRP_CFG_LEGACY 2 |
| 71 | |
| 72 | struct slirp_config_str { |
| 73 | struct slirp_config_str *next; |
| 74 | int flags; |
| 75 | char str[1024]; |
| 76 | int legacy_format; |
| 77 | }; |
| 78 | |
| 79 | typedef struct SlirpState { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 80 | NetClientState nc; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 81 | QTAILQ_ENTRY(SlirpState) entry; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 82 | Slirp *slirp; |
Paolo Bonzini | f6c2e66 | 2016-07-12 09:57:12 +0200 | [diff] [blame] | 83 | Notifier exit_notifier; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 84 | #ifndef _WIN32 |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 85 | gchar *smb_dir; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 86 | #endif |
| 87 | } SlirpState; |
| 88 | |
| 89 | static struct slirp_config_str *slirp_configs; |
| 90 | const char *legacy_tftp_prefix; |
| 91 | const char *legacy_bootp_filename; |
| 92 | static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks = |
| 93 | QTAILQ_HEAD_INITIALIZER(slirp_stacks); |
| 94 | |
| 95 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 96 | int legacy_format, Error **errp); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 97 | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 98 | int legacy_format, Error **errp); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 99 | |
| 100 | #ifndef _WIN32 |
| 101 | static const char *legacy_smb_export; |
| 102 | |
| 103 | static int slirp_smb(SlirpState *s, const char *exported_dir, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 104 | struct in_addr vserver_addr, Error **errp); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 105 | static void slirp_smb_cleanup(SlirpState *s); |
| 106 | #else |
| 107 | static inline void slirp_smb_cleanup(SlirpState *s) { } |
| 108 | #endif |
| 109 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 110 | void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) |
| 111 | { |
| 112 | SlirpState *s = opaque; |
| 113 | |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 114 | qemu_send_packet(&s->nc, pkt, pkt_len); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 115 | } |
| 116 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 117 | static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 118 | { |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 119 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 120 | |
| 121 | slirp_input(s->slirp, buf, size); |
| 122 | |
| 123 | return size; |
| 124 | } |
| 125 | |
Paolo Bonzini | f6c2e66 | 2016-07-12 09:57:12 +0200 | [diff] [blame] | 126 | static void slirp_smb_exit(Notifier *n, void *data) |
| 127 | { |
| 128 | SlirpState *s = container_of(n, SlirpState, exit_notifier); |
| 129 | slirp_smb_cleanup(s); |
| 130 | } |
| 131 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 132 | static void net_slirp_cleanup(NetClientState *nc) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 133 | { |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 134 | SlirpState *s = DO_UPCAST(SlirpState, nc, nc); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 135 | |
| 136 | slirp_cleanup(s->slirp); |
Marc-André Lureau | 67f3280 | 2016-08-18 17:44:05 +0400 | [diff] [blame] | 137 | if (s->exit_notifier.notify) { |
| 138 | qemu_remove_exit_notifier(&s->exit_notifier); |
| 139 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 140 | slirp_smb_cleanup(s); |
| 141 | QTAILQ_REMOVE(&slirp_stacks, s, entry); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 142 | } |
| 143 | |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 144 | static NetClientInfo net_slirp_info = { |
Eric Blake | f394b2e | 2016-07-13 21:50:23 -0600 | [diff] [blame] | 145 | .type = NET_CLIENT_DRIVER_USER, |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 146 | .size = sizeof(SlirpState), |
| 147 | .receive = net_slirp_receive, |
| 148 | .cleanup = net_slirp_cleanup, |
| 149 | }; |
| 150 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 151 | static int net_slirp_init(NetClientState *peer, const char *model, |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 152 | const char *name, int restricted, |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 153 | bool ipv4, const char *vnetwork, const char *vhost, |
| 154 | bool ipv6, const char *vprefix6, int vprefix6_len, |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 155 | const char *vhost6, |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 156 | const char *vhostname, const char *tftp_export, |
| 157 | const char *bootfile, const char *vdhcp_start, |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 158 | const char *vnameserver, const char *vnameserver6, |
| 159 | const char *smb_export, const char *vsmbserver, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 160 | const char **dnssearch, Error **errp) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 161 | { |
| 162 | /* default settings according to historic slirp */ |
| 163 | struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */ |
| 164 | struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */ |
| 165 | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ |
| 166 | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ |
| 167 | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 168 | struct in6_addr ip6_prefix; |
| 169 | struct in6_addr ip6_host; |
| 170 | struct in6_addr ip6_dns; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 171 | #ifndef _WIN32 |
| 172 | struct in_addr smbsrv = { .s_addr = 0 }; |
| 173 | #endif |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 174 | NetClientState *nc; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 175 | SlirpState *s; |
| 176 | char buf[20]; |
| 177 | uint32_t addr; |
| 178 | int shift; |
| 179 | char *end; |
| 180 | struct slirp_config_str *config; |
| 181 | |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 182 | if (!ipv4 && (vnetwork || vhost || vnameserver)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 183 | error_setg(errp, "IPv4 disabled but netmask/host/dns provided"); |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 184 | return -1; |
| 185 | } |
| 186 | |
| 187 | if (!ipv6 && (vprefix6 || vhost6 || vnameserver6)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 188 | error_setg(errp, "IPv6 disabled but prefix/host6/dns6 provided"); |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 189 | return -1; |
| 190 | } |
| 191 | |
| 192 | if (!ipv4 && !ipv6) { |
| 193 | /* It doesn't make sense to disable both */ |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 194 | error_setg(errp, "IPv4 and IPv6 disabled"); |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 195 | return -1; |
| 196 | } |
| 197 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 198 | if (!tftp_export) { |
| 199 | tftp_export = legacy_tftp_prefix; |
| 200 | } |
| 201 | if (!bootfile) { |
| 202 | bootfile = legacy_bootp_filename; |
| 203 | } |
| 204 | |
| 205 | if (vnetwork) { |
| 206 | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { |
| 207 | if (!inet_aton(vnetwork, &net)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 208 | error_setg(errp, "Failed to parse netmask"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 209 | return -1; |
| 210 | } |
| 211 | addr = ntohl(net.s_addr); |
| 212 | if (!(addr & 0x80000000)) { |
| 213 | mask.s_addr = htonl(0xff000000); /* class A */ |
| 214 | } else if ((addr & 0xfff00000) == 0xac100000) { |
| 215 | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ |
| 216 | } else if ((addr & 0xc0000000) == 0x80000000) { |
| 217 | mask.s_addr = htonl(0xffff0000); /* class B */ |
| 218 | } else if ((addr & 0xffff0000) == 0xc0a80000) { |
| 219 | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ |
| 220 | } else if ((addr & 0xffff0000) == 0xc6120000) { |
| 221 | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ |
| 222 | } else if ((addr & 0xe0000000) == 0xe0000000) { |
| 223 | mask.s_addr = htonl(0xffffff00); /* class C */ |
| 224 | } else { |
| 225 | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ |
| 226 | } |
| 227 | } else { |
| 228 | if (!inet_aton(buf, &net)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 229 | error_setg(errp, "Failed to parse netmask"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 230 | return -1; |
| 231 | } |
| 232 | shift = strtol(vnetwork, &end, 10); |
| 233 | if (*end != '\0') { |
| 234 | if (!inet_aton(vnetwork, &mask)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 235 | error_setg(errp, |
| 236 | "Failed to parse netmask (trailing chars)"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 237 | return -1; |
| 238 | } |
| 239 | } else if (shift < 4 || shift > 32) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 240 | error_setg(errp, |
| 241 | "Invalid netmask provided (must be in range 4-32)"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 242 | return -1; |
| 243 | } else { |
| 244 | mask.s_addr = htonl(0xffffffff << (32 - shift)); |
| 245 | } |
| 246 | } |
| 247 | net.s_addr &= mask.s_addr; |
| 248 | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr); |
| 249 | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr); |
| 250 | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr); |
| 251 | } |
| 252 | |
| 253 | if (vhost && !inet_aton(vhost, &host)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 254 | error_setg(errp, "Failed to parse host"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 255 | return -1; |
| 256 | } |
| 257 | if ((host.s_addr & mask.s_addr) != net.s_addr) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 258 | error_setg(errp, "Host doesn't belong to network"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 259 | return -1; |
| 260 | } |
| 261 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 262 | if (vnameserver && !inet_aton(vnameserver, &dns)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 263 | error_setg(errp, "Failed to parse DNS"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 264 | return -1; |
| 265 | } |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 266 | if ((dns.s_addr & mask.s_addr) != net.s_addr) { |
| 267 | error_setg(errp, "DNS doesn't belong to network"); |
| 268 | return -1; |
| 269 | } |
| 270 | if (dns.s_addr == host.s_addr) { |
| 271 | error_setg(errp, "DNS must be different from host"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 272 | return -1; |
| 273 | } |
| 274 | |
Bas van Sisseren | 68756ba | 2013-06-03 15:11:49 +0200 | [diff] [blame] | 275 | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 276 | error_setg(errp, "Failed to parse DHCP start address"); |
Bas van Sisseren | 68756ba | 2013-06-03 15:11:49 +0200 | [diff] [blame] | 277 | return -1; |
| 278 | } |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 279 | if ((dhcp.s_addr & mask.s_addr) != net.s_addr) { |
| 280 | error_setg(errp, "DHCP doesn't belong to network"); |
| 281 | return -1; |
| 282 | } |
| 283 | if (dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { |
| 284 | error_setg(errp, "DNS must be different from host and DNS"); |
Bas van Sisseren | 68756ba | 2013-06-03 15:11:49 +0200 | [diff] [blame] | 285 | return -1; |
| 286 | } |
| 287 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 288 | #ifndef _WIN32 |
| 289 | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 290 | error_setg(errp, "Failed to parse SMB address"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 291 | return -1; |
| 292 | } |
| 293 | #endif |
| 294 | |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 295 | #if defined(_WIN32) && (_WIN32_WINNT < 0x0600) |
| 296 | /* No inet_pton helper before Vista... */ |
| 297 | if (vprefix6) { |
| 298 | /* Unsupported */ |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 299 | error_setg(errp, "IPv6 prefix not supported"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 300 | return -1; |
| 301 | } |
| 302 | memset(&ip6_prefix, 0, sizeof(ip6_prefix)); |
| 303 | ip6_prefix.s6_addr[0] = 0xfe; |
| 304 | ip6_prefix.s6_addr[1] = 0xc0; |
| 305 | #else |
| 306 | if (!vprefix6) { |
| 307 | vprefix6 = "fec0::"; |
| 308 | } |
| 309 | if (!inet_pton(AF_INET6, vprefix6, &ip6_prefix)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 310 | error_setg(errp, "Failed to parse IPv6 prefix"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 311 | return -1; |
| 312 | } |
| 313 | #endif |
| 314 | |
| 315 | if (!vprefix6_len) { |
| 316 | vprefix6_len = 64; |
| 317 | } |
| 318 | if (vprefix6_len < 0 || vprefix6_len > 126) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 319 | error_setg(errp, |
| 320 | "Invalid prefix provided (prefix len must be in range 0-126"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 321 | return -1; |
| 322 | } |
| 323 | |
| 324 | if (vhost6) { |
| 325 | #if defined(_WIN32) && (_WIN32_WINNT < 0x0600) |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 326 | error_setg(errp, "IPv6 host not supported"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 327 | return -1; |
| 328 | #else |
| 329 | if (!inet_pton(AF_INET6, vhost6, &ip6_host)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 330 | error_setg(errp, "Failed to parse IPv6 host"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 331 | return -1; |
| 332 | } |
| 333 | if (!in6_equal_net(&ip6_prefix, &ip6_host, vprefix6_len)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 334 | error_setg(errp, "IPv6 Host doesn't belong to network"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 335 | return -1; |
| 336 | } |
| 337 | #endif |
| 338 | } else { |
| 339 | ip6_host = ip6_prefix; |
| 340 | ip6_host.s6_addr[15] |= 2; |
| 341 | } |
| 342 | |
| 343 | if (vnameserver6) { |
| 344 | #if defined(_WIN32) && (_WIN32_WINNT < 0x0600) |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 345 | error_setg(errp, "IPv6 DNS not supported"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 346 | return -1; |
| 347 | #else |
| 348 | if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 349 | error_setg(errp, "Failed to parse IPv6 DNS"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 350 | return -1; |
| 351 | } |
| 352 | if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 353 | error_setg(errp, "IPv6 DNS doesn't belong to network"); |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 354 | return -1; |
| 355 | } |
| 356 | #endif |
| 357 | } else { |
| 358 | ip6_dns = ip6_prefix; |
| 359 | ip6_dns.s6_addr[15] |= 3; |
| 360 | } |
| 361 | |
| 362 | |
Stefan Hajnoczi | ab5f3f8 | 2012-07-24 16:35:08 +0100 | [diff] [blame] | 363 | nc = qemu_new_net_client(&net_slirp_info, peer, model, name); |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 364 | |
| 365 | snprintf(nc->info_str, sizeof(nc->info_str), |
Jan Kiszka | c54ed5b | 2011-07-20 12:20:14 +0200 | [diff] [blame] | 366 | "net=%s,restrict=%s", inet_ntoa(net), |
| 367 | restricted ? "on" : "off"); |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 368 | |
| 369 | s = DO_UPCAST(SlirpState, nc, nc); |
| 370 | |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 371 | s->slirp = slirp_init(restricted, ipv4, net, mask, host, |
| 372 | ipv6, ip6_prefix, vprefix6_len, ip6_host, |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 373 | vhostname, tftp_export, bootfile, dhcp, |
| 374 | dns, ip6_dns, dnssearch, s); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 375 | QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
| 376 | |
| 377 | for (config = slirp_configs; config; config = config->next) { |
| 378 | if (config->flags & SLIRP_CFG_HOSTFWD) { |
| 379 | if (slirp_hostfwd(s, config->str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 380 | config->flags & SLIRP_CFG_LEGACY, errp) < 0) { |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 381 | goto error; |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 382 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 383 | } else { |
| 384 | if (slirp_guestfwd(s, config->str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 385 | config->flags & SLIRP_CFG_LEGACY, errp) < 0) { |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 386 | goto error; |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 387 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | #ifndef _WIN32 |
| 391 | if (!smb_export) { |
| 392 | smb_export = legacy_smb_export; |
| 393 | } |
| 394 | if (smb_export) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 395 | if (slirp_smb(s, smb_export, smbsrv, errp) < 0) { |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 396 | goto error; |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 397 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 398 | } |
| 399 | #endif |
| 400 | |
Paolo Bonzini | f6c2e66 | 2016-07-12 09:57:12 +0200 | [diff] [blame] | 401 | s->exit_notifier.notify = slirp_smb_exit; |
| 402 | qemu_add_exit_notifier(&s->exit_notifier); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 403 | return 0; |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 404 | |
| 405 | error: |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 406 | qemu_del_net_client(nc); |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 407 | return -1; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 408 | } |
| 409 | |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 410 | static SlirpState *slirp_lookup(Monitor *mon, const char *hub_id, |
| 411 | const char *name) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 412 | { |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 413 | if (name) { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 414 | NetClientState *nc; |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 415 | if (hub_id) { |
| 416 | nc = net_hub_find_client_by_name(strtol(hub_id, NULL, 0), name); |
| 417 | if (!nc) { |
| 418 | monitor_printf(mon, "unrecognized (vlan-id, stackname) pair\n"); |
| 419 | return NULL; |
| 420 | } |
| 421 | } else { |
| 422 | nc = qemu_find_netdev(name); |
| 423 | if (!nc) { |
| 424 | monitor_printf(mon, "unrecognized netdev id '%s'\n", name); |
| 425 | return NULL; |
| 426 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 427 | } |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 428 | if (strcmp(nc->model, "user")) { |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 429 | monitor_printf(mon, "invalid device specified\n"); |
| 430 | return NULL; |
| 431 | } |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 432 | return DO_UPCAST(SlirpState, nc, nc); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 433 | } else { |
| 434 | if (QTAILQ_EMPTY(&slirp_stacks)) { |
| 435 | monitor_printf(mon, "user mode network stack not in use\n"); |
| 436 | return NULL; |
| 437 | } |
| 438 | return QTAILQ_FIRST(&slirp_stacks); |
| 439 | } |
| 440 | } |
| 441 | |
Markus Armbruster | 3e5a50d | 2015-02-06 13:55:43 +0100 | [diff] [blame] | 442 | void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 443 | { |
| 444 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; |
| 445 | int host_port; |
Markus Armbruster | e30e5eb | 2011-11-16 15:45:59 +0100 | [diff] [blame] | 446 | char buf[256]; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 447 | const char *src_str, *p; |
| 448 | SlirpState *s; |
| 449 | int is_udp = 0; |
| 450 | int err; |
| 451 | const char *arg1 = qdict_get_str(qdict, "arg1"); |
| 452 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
| 453 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
| 454 | |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 455 | if (arg3) { |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 456 | s = slirp_lookup(mon, arg1, arg2); |
| 457 | src_str = arg3; |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 458 | } else if (arg2) { |
| 459 | s = slirp_lookup(mon, NULL, arg1); |
| 460 | src_str = arg2; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 461 | } else { |
| 462 | s = slirp_lookup(mon, NULL, NULL); |
| 463 | src_str = arg1; |
| 464 | } |
| 465 | if (!s) { |
| 466 | return; |
| 467 | } |
| 468 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 469 | p = src_str; |
Markus Armbruster | e30e5eb | 2011-11-16 15:45:59 +0100 | [diff] [blame] | 470 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
| 471 | goto fail_syntax; |
| 472 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 473 | |
| 474 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
| 475 | is_udp = 0; |
| 476 | } else if (!strcmp(buf, "udp")) { |
| 477 | is_udp = 1; |
| 478 | } else { |
| 479 | goto fail_syntax; |
| 480 | } |
| 481 | |
| 482 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
| 483 | goto fail_syntax; |
| 484 | } |
| 485 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
| 486 | goto fail_syntax; |
| 487 | } |
| 488 | |
| 489 | host_port = atoi(p); |
| 490 | |
Peter Maydell | 7038166 | 2014-06-16 16:47:49 +0100 | [diff] [blame] | 491 | err = slirp_remove_hostfwd(s->slirp, is_udp, host_addr, host_port); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 492 | |
| 493 | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str, |
Geoffrey Thomas | b15ba6c | 2011-12-17 04:23:59 -0500 | [diff] [blame] | 494 | err ? "not found" : "removed"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 495 | return; |
| 496 | |
| 497 | fail_syntax: |
| 498 | monitor_printf(mon, "invalid format\n"); |
| 499 | } |
| 500 | |
| 501 | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 502 | int legacy_format, Error **errp) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 503 | { |
| 504 | struct in_addr host_addr = { .s_addr = INADDR_ANY }; |
| 505 | struct in_addr guest_addr = { .s_addr = 0 }; |
| 506 | int host_port, guest_port; |
| 507 | const char *p; |
| 508 | char buf[256]; |
| 509 | int is_udp; |
| 510 | char *end; |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 511 | const char *fail_reason = "Unknown reason"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 512 | |
| 513 | p = redir_str; |
| 514 | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 515 | fail_reason = "No : separators"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 516 | goto fail_syntax; |
| 517 | } |
| 518 | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
| 519 | is_udp = 0; |
| 520 | } else if (!strcmp(buf, "udp")) { |
| 521 | is_udp = 1; |
| 522 | } else { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 523 | fail_reason = "Bad protocol name"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 524 | goto fail_syntax; |
| 525 | } |
| 526 | |
| 527 | if (!legacy_format) { |
| 528 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 529 | fail_reason = "Missing : separator"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 530 | goto fail_syntax; |
| 531 | } |
| 532 | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 533 | fail_reason = "Bad host address"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 534 | goto fail_syntax; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 539 | fail_reason = "Bad host port separator"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 540 | goto fail_syntax; |
| 541 | } |
| 542 | host_port = strtol(buf, &end, 0); |
Vincent Bernat | 0bed71e | 2017-02-25 22:31:58 +0100 | [diff] [blame] | 543 | if (*end != '\0' || host_port < 0 || host_port > 65535) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 544 | fail_reason = "Bad host port"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 545 | goto fail_syntax; |
| 546 | } |
| 547 | |
| 548 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 549 | fail_reason = "Missing guest address"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 550 | goto fail_syntax; |
| 551 | } |
| 552 | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 553 | fail_reason = "Bad guest address"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 554 | goto fail_syntax; |
| 555 | } |
| 556 | |
| 557 | guest_port = strtol(p, &end, 0); |
| 558 | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 559 | fail_reason = "Bad guest port"; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 560 | goto fail_syntax; |
| 561 | } |
| 562 | |
| 563 | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr, |
| 564 | guest_port) < 0) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 565 | error_setg(errp, "Could not set up host forwarding rule '%s'", |
| 566 | redir_str); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 567 | return -1; |
| 568 | } |
| 569 | return 0; |
| 570 | |
| 571 | fail_syntax: |
Dr. David Alan Gilbert | 0e7e4fb | 2017-09-08 16:53:59 +0100 | [diff] [blame] | 572 | error_setg(errp, "Invalid host forwarding rule '%s' (%s)", redir_str, |
| 573 | fail_reason); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 574 | return -1; |
| 575 | } |
| 576 | |
Markus Armbruster | 3e5a50d | 2015-02-06 13:55:43 +0100 | [diff] [blame] | 577 | void hmp_hostfwd_add(Monitor *mon, const QDict *qdict) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 578 | { |
| 579 | const char *redir_str; |
| 580 | SlirpState *s; |
| 581 | const char *arg1 = qdict_get_str(qdict, "arg1"); |
| 582 | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
| 583 | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
| 584 | |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 585 | if (arg3) { |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 586 | s = slirp_lookup(mon, arg1, arg2); |
| 587 | redir_str = arg3; |
Thomas Huth | 9365306 | 2018-01-11 21:02:40 +0100 | [diff] [blame] | 588 | } else if (arg2) { |
| 589 | s = slirp_lookup(mon, NULL, arg1); |
| 590 | redir_str = arg2; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 591 | } else { |
| 592 | s = slirp_lookup(mon, NULL, NULL); |
| 593 | redir_str = arg1; |
| 594 | } |
| 595 | if (s) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 596 | Error *err = NULL; |
| 597 | if (slirp_hostfwd(s, redir_str, 0, &err) < 0) { |
| 598 | error_report_err(err); |
| 599 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | } |
| 603 | |
| 604 | int net_slirp_redir(const char *redir_str) |
| 605 | { |
| 606 | struct slirp_config_str *config; |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 607 | Error *err = NULL; |
| 608 | int res; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 609 | |
| 610 | if (QTAILQ_EMPTY(&slirp_stacks)) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 611 | config = g_malloc(sizeof(*config)); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 612 | pstrcpy(config->str, sizeof(config->str), redir_str); |
| 613 | config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY; |
| 614 | config->next = slirp_configs; |
| 615 | slirp_configs = config; |
| 616 | return 0; |
| 617 | } |
| 618 | |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 619 | res = slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), redir_str, 1, &err); |
| 620 | if (res < 0) { |
| 621 | error_report_err(err); |
| 622 | } |
| 623 | return res; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | #ifndef _WIN32 |
| 627 | |
| 628 | /* automatic user mode samba server configuration */ |
| 629 | static void slirp_smb_cleanup(SlirpState *s) |
| 630 | { |
Kirill A. Shutemov | 5a01e99 | 2010-01-20 00:56:16 +0100 | [diff] [blame] | 631 | int ret; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 632 | |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 633 | if (s->smb_dir) { |
| 634 | gchar *cmd = g_strdup_printf("rm -rf %s", s->smb_dir); |
Kirill A. Shutemov | 5a01e99 | 2010-01-20 00:56:16 +0100 | [diff] [blame] | 635 | ret = system(cmd); |
Juan Quintela | 24ac07d | 2010-03-04 10:00:31 +0100 | [diff] [blame] | 636 | if (ret == -1 || !WIFEXITED(ret)) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 637 | error_report("'%s' failed.", cmd); |
Kirill A. Shutemov | 5a01e99 | 2010-01-20 00:56:16 +0100 | [diff] [blame] | 638 | } else if (WEXITSTATUS(ret)) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 639 | error_report("'%s' failed. Error code: %d", |
| 640 | cmd, WEXITSTATUS(ret)); |
Kirill A. Shutemov | 5a01e99 | 2010-01-20 00:56:16 +0100 | [diff] [blame] | 641 | } |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 642 | g_free(cmd); |
| 643 | g_free(s->smb_dir); |
| 644 | s->smb_dir = NULL; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | |
| 648 | static int slirp_smb(SlirpState* s, const char *exported_dir, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 649 | struct in_addr vserver_addr, Error **errp) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 650 | { |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 651 | char *smb_conf; |
| 652 | char *smb_cmdline; |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 653 | struct passwd *passwd; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 654 | FILE *f; |
| 655 | |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 656 | passwd = getpwuid(geteuid()); |
| 657 | if (!passwd) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 658 | error_setg(errp, "Failed to retrieve user name"); |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 659 | return -1; |
| 660 | } |
| 661 | |
Dunrong Huang | 927d811 | 2012-07-06 14:04:43 +0800 | [diff] [blame] | 662 | if (access(CONFIG_SMBD_COMMAND, F_OK)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 663 | error_setg(errp, "Could not find '%s', please install it", |
| 664 | CONFIG_SMBD_COMMAND); |
Dunrong Huang | 927d811 | 2012-07-06 14:04:43 +0800 | [diff] [blame] | 665 | return -1; |
| 666 | } |
| 667 | |
| 668 | if (access(exported_dir, R_OK | X_OK)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 669 | error_setg(errp, "Error accessing shared directory '%s': %s", |
| 670 | exported_dir, strerror(errno)); |
Dunrong Huang | 927d811 | 2012-07-06 14:04:43 +0800 | [diff] [blame] | 671 | return -1; |
| 672 | } |
| 673 | |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 674 | s->smb_dir = g_dir_make_tmp("qemu-smb.XXXXXX", NULL); |
| 675 | if (!s->smb_dir) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 676 | error_setg(errp, "Could not create samba server dir"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 677 | return -1; |
| 678 | } |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 679 | smb_conf = g_strdup_printf("%s/%s", s->smb_dir, "smb.conf"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 680 | |
| 681 | f = fopen(smb_conf, "w"); |
| 682 | if (!f) { |
| 683 | slirp_smb_cleanup(s); |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 684 | error_setg(errp, |
| 685 | "Could not create samba server configuration file '%s'", |
| 686 | smb_conf); |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 687 | g_free(smb_conf); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 688 | return -1; |
| 689 | } |
| 690 | fprintf(f, |
| 691 | "[global]\n" |
| 692 | "private dir=%s\n" |
Peter Wu | 7912d04 | 2014-11-03 11:52:10 +0100 | [diff] [blame] | 693 | "interfaces=127.0.0.1\n" |
| 694 | "bind interfaces only=yes\n" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 695 | "pid directory=%s\n" |
| 696 | "lock directory=%s\n" |
Nikolaus Rath | 276eda5 | 2012-04-25 09:57:19 -0400 | [diff] [blame] | 697 | "state directory=%s\n" |
Peter Wu | 7912d04 | 2014-11-03 11:52:10 +0100 | [diff] [blame] | 698 | "cache directory=%s\n" |
Michael Buesch | b87b8a8 | 2014-04-27 14:54:12 +0400 | [diff] [blame] | 699 | "ncalrpc dir=%s/ncalrpc\n" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 700 | "log file=%s/log.smbd\n" |
| 701 | "smb passwd file=%s/smbpasswd\n" |
Michael Buesch | c2804ee | 2013-11-01 12:23:49 +0100 | [diff] [blame] | 702 | "security = user\n" |
| 703 | "map to guest = Bad User\n" |
Peter Wu | 7912d04 | 2014-11-03 11:52:10 +0100 | [diff] [blame] | 704 | "load printers = no\n" |
| 705 | "printing = bsd\n" |
| 706 | "disable spoolss = yes\n" |
| 707 | "usershare max shares = 0\n" |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 708 | "[qemu]\n" |
| 709 | "path=%s\n" |
| 710 | "read only=no\n" |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 711 | "guest ok=yes\n" |
| 712 | "force user=%s\n", |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 713 | s->smb_dir, |
| 714 | s->smb_dir, |
| 715 | s->smb_dir, |
| 716 | s->smb_dir, |
| 717 | s->smb_dir, |
Nikolaus Rath | 276eda5 | 2012-04-25 09:57:19 -0400 | [diff] [blame] | 718 | s->smb_dir, |
Michael Buesch | b87b8a8 | 2014-04-27 14:54:12 +0400 | [diff] [blame] | 719 | s->smb_dir, |
Peter Wu | 7912d04 | 2014-11-03 11:52:10 +0100 | [diff] [blame] | 720 | s->smb_dir, |
Jan Kiszka | 1cb1c5d | 2012-07-05 19:35:57 +0200 | [diff] [blame] | 721 | exported_dir, |
| 722 | passwd->pw_name |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 723 | ); |
| 724 | fclose(f); |
| 725 | |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 726 | smb_cmdline = g_strdup_printf("%s -l %s -s %s", |
Michael Tokarev | 44d8d2b | 2014-10-25 00:29:50 +0400 | [diff] [blame] | 727 | CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf); |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 728 | g_free(smb_conf); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 729 | |
Michael Tokarev | 5c1e189 | 2013-11-28 23:32:55 +0400 | [diff] [blame] | 730 | if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0 || |
| 731 | slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 445) < 0) { |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 732 | slirp_smb_cleanup(s); |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 733 | g_free(smb_cmdline); |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 734 | error_setg(errp, "Conflicting/invalid smbserver address"); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 735 | return -1; |
| 736 | } |
Dr. David Alan Gilbert | f95cc8b | 2017-04-07 15:32:54 +0100 | [diff] [blame] | 737 | g_free(smb_cmdline); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 738 | return 0; |
| 739 | } |
| 740 | |
| 741 | /* automatic user mode samba server configuration (legacy interface) */ |
| 742 | int net_slirp_smb(const char *exported_dir) |
| 743 | { |
| 744 | struct in_addr vserver_addr = { .s_addr = 0 }; |
| 745 | |
| 746 | if (legacy_smb_export) { |
| 747 | fprintf(stderr, "-smb given twice\n"); |
| 748 | return -1; |
| 749 | } |
| 750 | legacy_smb_export = exported_dir; |
| 751 | if (!QTAILQ_EMPTY(&slirp_stacks)) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 752 | Error *err = NULL; |
| 753 | int res = slirp_smb(QTAILQ_FIRST(&slirp_stacks), exported_dir, |
| 754 | vserver_addr, &err); |
| 755 | if (res < 0) { |
| 756 | error_report_err(err); |
| 757 | } |
| 758 | return res; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 759 | } |
| 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | #endif /* !defined(_WIN32) */ |
| 764 | |
| 765 | struct GuestFwd { |
Marc-André Lureau | 32a6ebe | 2016-10-22 12:52:52 +0300 | [diff] [blame] | 766 | CharBackend hd; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 767 | struct in_addr server; |
| 768 | int port; |
| 769 | Slirp *slirp; |
| 770 | }; |
| 771 | |
| 772 | static int guestfwd_can_read(void *opaque) |
| 773 | { |
| 774 | struct GuestFwd *fwd = opaque; |
| 775 | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port); |
| 776 | } |
| 777 | |
| 778 | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) |
| 779 | { |
| 780 | struct GuestFwd *fwd = opaque; |
| 781 | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); |
| 782 | } |
| 783 | |
| 784 | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 785 | int legacy_format, Error **errp) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 786 | { |
| 787 | struct in_addr server = { .s_addr = 0 }; |
| 788 | struct GuestFwd *fwd; |
| 789 | const char *p; |
| 790 | char buf[128]; |
| 791 | char *end; |
| 792 | int port; |
| 793 | |
| 794 | p = config_str; |
| 795 | if (legacy_format) { |
| 796 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
| 797 | goto fail_syntax; |
| 798 | } |
| 799 | } else { |
| 800 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
| 801 | goto fail_syntax; |
| 802 | } |
| 803 | if (strcmp(buf, "tcp") && buf[0] != '\0') { |
| 804 | goto fail_syntax; |
| 805 | } |
| 806 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
| 807 | goto fail_syntax; |
| 808 | } |
| 809 | if (buf[0] != '\0' && !inet_aton(buf, &server)) { |
| 810 | goto fail_syntax; |
| 811 | } |
| 812 | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
| 813 | goto fail_syntax; |
| 814 | } |
| 815 | } |
| 816 | port = strtol(buf, &end, 10); |
| 817 | if (*end != '\0' || port < 1 || port > 65535) { |
| 818 | goto fail_syntax; |
| 819 | } |
| 820 | |
Alexander Graf | a989999 | 2011-06-04 07:25:59 +0200 | [diff] [blame] | 821 | snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 822 | |
Alexander Graf | b412eb6 | 2012-06-03 09:45:01 +0200 | [diff] [blame] | 823 | if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) { |
| 824 | if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 825 | error_setg(errp, "Conflicting/invalid host:port in guest " |
| 826 | "forwarding rule '%s'", config_str); |
Alexander Graf | b412eb6 | 2012-06-03 09:45:01 +0200 | [diff] [blame] | 827 | return -1; |
| 828 | } |
| 829 | } else { |
Marc-André Lureau | 32a6ebe | 2016-10-22 12:52:52 +0300 | [diff] [blame] | 830 | Error *err = NULL; |
Marc-André Lureau | 0ec7b3e | 2016-12-07 16:20:22 +0300 | [diff] [blame] | 831 | Chardev *chr = qemu_chr_new(buf, p); |
Marc-André Lureau | 32a6ebe | 2016-10-22 12:52:52 +0300 | [diff] [blame] | 832 | |
| 833 | if (!chr) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 834 | error_setg(errp, "Could not open guest forwarding device '%s'", |
| 835 | buf); |
Marc-André Lureau | 32a6ebe | 2016-10-22 12:52:52 +0300 | [diff] [blame] | 836 | return -1; |
| 837 | } |
| 838 | |
| 839 | fwd = g_new(struct GuestFwd, 1); |
| 840 | qemu_chr_fe_init(&fwd->hd, chr, &err); |
| 841 | if (err) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 842 | error_propagate(errp, err); |
Alexander Graf | b412eb6 | 2012-06-03 09:45:01 +0200 | [diff] [blame] | 843 | g_free(fwd); |
| 844 | return -1; |
| 845 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 846 | |
Paolo Bonzini | d14fabd | 2016-10-27 22:04:58 +0200 | [diff] [blame] | 847 | if (slirp_add_exec(s->slirp, 3, &fwd->hd, &server, port) < 0) { |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 848 | error_setg(errp, "Conflicting/invalid host:port in guest " |
| 849 | "forwarding rule '%s'", config_str); |
Alexander Graf | b412eb6 | 2012-06-03 09:45:01 +0200 | [diff] [blame] | 850 | g_free(fwd); |
| 851 | return -1; |
| 852 | } |
| 853 | fwd->server = server; |
| 854 | fwd->port = port; |
| 855 | fwd->slirp = s->slirp; |
| 856 | |
Marc-André Lureau | 5345fdb | 2016-10-22 12:52:55 +0300 | [diff] [blame] | 857 | qemu_chr_fe_set_handlers(&fwd->hd, guestfwd_can_read, guestfwd_read, |
Anton Nefedov | 81517ba | 2017-07-06 15:08:49 +0300 | [diff] [blame] | 858 | NULL, NULL, fwd, NULL, true); |
Alexander Graf | b412eb6 | 2012-06-03 09:45:01 +0200 | [diff] [blame] | 859 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 860 | return 0; |
| 861 | |
| 862 | fail_syntax: |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 863 | error_setg(errp, "Invalid guest forwarding rule '%s'", config_str); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 864 | return -1; |
| 865 | } |
| 866 | |
Markus Armbruster | 1ce6be2 | 2015-02-06 14:18:24 +0100 | [diff] [blame] | 867 | void hmp_info_usernet(Monitor *mon, const QDict *qdict) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 868 | { |
| 869 | SlirpState *s; |
| 870 | |
| 871 | QTAILQ_FOREACH(s, &slirp_stacks, entry) { |
Stefan Hajnoczi | 90d87a3 | 2012-07-24 16:35:06 +0100 | [diff] [blame] | 872 | int id; |
| 873 | bool got_vlan_id = net_hub_id_for_client(&s->nc, &id) == 0; |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 874 | monitor_printf(mon, "VLAN %d (%s):\n", |
Stefan Hajnoczi | 90d87a3 | 2012-07-24 16:35:06 +0100 | [diff] [blame] | 875 | got_vlan_id ? id : -1, |
Mark McLoughlin | ce20b5b | 2009-11-25 18:49:06 +0000 | [diff] [blame] | 876 | s->nc.name); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 877 | slirp_connection_info(s->slirp, mon); |
| 878 | } |
| 879 | } |
| 880 | |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 881 | static void |
| 882 | net_init_slirp_configs(const StringList *fwd, int flags) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 883 | { |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 884 | while (fwd) { |
| 885 | struct slirp_config_str *config; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 886 | |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 887 | config = g_malloc0(sizeof(*config)); |
| 888 | pstrcpy(config->str, sizeof(config->str), fwd->value->str); |
| 889 | config->flags = flags; |
| 890 | config->next = slirp_configs; |
| 891 | slirp_configs = config; |
| 892 | |
| 893 | fwd = fwd->next; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 894 | } |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 895 | } |
| 896 | |
Klaus Stengel | 63d2960 | 2012-10-27 19:53:39 +0200 | [diff] [blame] | 897 | static const char **slirp_dnssearch(const StringList *dnsname) |
| 898 | { |
| 899 | const StringList *c = dnsname; |
| 900 | size_t i = 0, num_opts = 0; |
| 901 | const char **ret; |
| 902 | |
| 903 | while (c) { |
| 904 | num_opts++; |
| 905 | c = c->next; |
| 906 | } |
| 907 | |
| 908 | if (num_opts == 0) { |
| 909 | return NULL; |
| 910 | } |
| 911 | |
| 912 | ret = g_malloc((num_opts + 1) * sizeof(*ret)); |
| 913 | c = dnsname; |
| 914 | while (c) { |
| 915 | ret[i++] = c->value->str; |
| 916 | c = c->next; |
| 917 | } |
| 918 | ret[i] = NULL; |
| 919 | return ret; |
| 920 | } |
| 921 | |
Kővágó, Zoltán | cebea51 | 2016-07-13 21:50:12 -0600 | [diff] [blame] | 922 | int net_init_slirp(const Netdev *netdev, const char *name, |
Markus Armbruster | a30ecde | 2015-05-15 13:58:50 +0200 | [diff] [blame] | 923 | NetClientState *peer, Error **errp) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 924 | { |
| 925 | struct slirp_config_str *config; |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 926 | char *vnet; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 927 | int ret; |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 928 | const NetdevUserOptions *user; |
Klaus Stengel | 63d2960 | 2012-10-27 19:53:39 +0200 | [diff] [blame] | 929 | const char **dnssearch; |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 930 | bool ipv4 = true, ipv6 = true; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 931 | |
Eric Blake | f394b2e | 2016-07-13 21:50:23 -0600 | [diff] [blame] | 932 | assert(netdev->type == NET_CLIENT_DRIVER_USER); |
| 933 | user = &netdev->u.user; |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 934 | |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 935 | if ((user->has_ipv6 && user->ipv6 && !user->has_ipv4) || |
| 936 | (user->has_ipv4 && !user->ipv4)) { |
| 937 | ipv4 = 0; |
| 938 | } |
| 939 | if ((user->has_ipv4 && user->ipv4 && !user->has_ipv6) || |
| 940 | (user->has_ipv6 && !user->ipv6)) { |
| 941 | ipv6 = 0; |
| 942 | } |
| 943 | |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 944 | vnet = user->has_net ? g_strdup(user->net) : |
| 945 | user->has_ip ? g_strdup_printf("%s/24", user->ip) : |
| 946 | NULL; |
Jan Kiszka | c54ed5b | 2011-07-20 12:20:14 +0200 | [diff] [blame] | 947 | |
Klaus Stengel | 63d2960 | 2012-10-27 19:53:39 +0200 | [diff] [blame] | 948 | dnssearch = slirp_dnssearch(user->dnssearch); |
| 949 | |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 950 | /* all optional fields are initialized to "all bits zero" */ |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 951 | |
Laszlo Ersek | 094f15c | 2012-07-17 16:17:16 +0200 | [diff] [blame] | 952 | net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD); |
| 953 | net_init_slirp_configs(user->guestfwd, 0); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 954 | |
Samuel Thibault | 0b11c03 | 2016-03-20 12:29:54 +0100 | [diff] [blame] | 955 | ret = net_slirp_init(peer, "user", name, user->q_restrict, |
| 956 | ipv4, vnet, user->host, |
| 957 | ipv6, user->ipv6_prefix, user->ipv6_prefixlen, |
Samuel Thibault | d8eb386 | 2016-03-25 00:02:58 +0100 | [diff] [blame] | 958 | user->ipv6_host, user->hostname, user->tftp, |
Yann Bordenave | 7aac531 | 2016-03-15 10:31:22 +0100 | [diff] [blame] | 959 | user->bootfile, user->dhcpstart, |
Samuel Thibault | d8eb386 | 2016-03-25 00:02:58 +0100 | [diff] [blame] | 960 | user->dns, user->ipv6_dns, user->smb, |
Hervé Poussineau | 5c843af | 2017-07-15 18:43:50 +0200 | [diff] [blame] | 961 | user->smbserver, dnssearch, errp); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 962 | |
| 963 | while (slirp_configs) { |
| 964 | config = slirp_configs; |
| 965 | slirp_configs = config->next; |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 966 | g_free(config); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 967 | } |
| 968 | |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 969 | g_free(vnet); |
Klaus Stengel | 63d2960 | 2012-10-27 19:53:39 +0200 | [diff] [blame] | 970 | g_free(dnssearch); |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 971 | |
| 972 | return ret; |
| 973 | } |