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| 1 /* | |
| 2 Unix SMB/CIFS implementation. | |
| 3 Samba utility functions | |
| 4 Copyright (C) Andrew Tridgell 1998 | |
| 5 Copyright (C) Jeremy Allison 2007 | |
| 6 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007 | |
| 7 | |
| 8 This program is free software; you can redistribute it and/or modify | |
| 9 it under the terms of the GNU General Public License as published by | |
| 10 the Free Software Foundation; either version 3 of the License, or | |
| 11 (at your option) any later version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 GNU General Public License for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 */ | |
| 21 | |
| 22 #define SOCKET_WRAPPER_NOT_REPLACE | |
| 23 | |
| 24 #include "replace.h" | |
| 25 #include "system/network.h" | |
| 26 | |
| 27 #include <unistd.h> | |
| 28 #include <stdio.h> | |
| 29 #include <sys/types.h> | |
| 30 | |
| 31 #ifdef HAVE_SYS_TIME_H | |
| 32 #include <sys/time.h> | |
| 33 #endif | |
| 34 | |
| 35 #ifndef SIOCGIFCONF | |
| 36 #ifdef HAVE_SYS_SOCKIO_H | |
| 37 #include <sys/sockio.h> | |
| 38 #endif | |
| 39 #endif | |
| 40 | |
| 41 #ifdef HAVE_IFACE_GETIFADDRS | |
| 42 #define _FOUND_IFACE_ANY | |
| 43 #else | |
| 44 | |
| 45 void rep_freeifaddrs(struct ifaddrs *ifp) | |
| 46 { | |
| 47 if (ifp != NULL) { | |
| 48 free(ifp->ifa_name); | |
| 49 free(ifp->ifa_addr); | |
| 50 free(ifp->ifa_netmask); | |
| 51 free(ifp->ifa_dstaddr); | |
| 52 freeifaddrs(ifp->ifa_next); | |
| 53 free(ifp); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 static struct sockaddr *sockaddr_dup(struct sockaddr *sa) | |
| 58 { | |
| 59 struct sockaddr *ret; | |
| 60 socklen_t socklen; | |
| 61 #ifdef HAVE_SOCKADDR_SA_LEN | |
| 62 socklen = sa->sa_len; | |
| 63 #else | |
| 64 socklen = sizeof(struct sockaddr_storage); | |
| 65 #endif | |
| 66 ret = calloc(1, socklen); | |
| 67 if (ret == NULL) | |
| 68 return NULL; | |
| 69 memcpy(ret, sa, socklen); | |
| 70 return ret; | |
| 71 } | |
| 72 #endif | |
| 73 | |
| 74 #if HAVE_IFACE_IFCONF | |
| 75 | |
| 76 /* this works for Linux 2.2, Solaris 2.5, SunOS4, HPUX 10.20, OSF1 | |
| 77 V4.0, Ultrix 4.4, SCO Unix 3.2, IRIX 6.4 and FreeBSD 3.2. | |
| 78 | |
| 79 It probably also works on any BSD style system. */ | |
| 80 | |
| 81 int rep_getifaddrs(struct ifaddrs **ifap) | |
| 82 { | |
| 83 struct ifconf ifc; | |
| 84 char buff[8192]; | |
| 85 int fd, i, n; | |
| 86 struct ifreq *ifr=NULL; | |
| 87 struct ifaddrs *curif; | |
| 88 struct ifaddrs *lastif = NULL; | |
| 89 | |
| 90 *ifap = NULL; | |
| 91 | |
| 92 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { | |
| 93 return -1; | |
| 94 } | |
| 95 | |
| 96 ifc.ifc_len = sizeof(buff); | |
| 97 ifc.ifc_buf = buff; | |
| 98 | |
| 99 if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) { | |
| 100 close(fd); | |
| 101 return -1; | |
| 102 } | |
| 103 | |
| 104 ifr = ifc.ifc_req; | |
| 105 | |
| 106 n = ifc.ifc_len / sizeof(struct ifreq); | |
| 107 | |
| 108 /* Loop through interfaces, looking for given IP address */ | |
| 109 for (i=n-1; i>=0; i--) { | |
| 110 if (ioctl(fd, SIOCGIFFLAGS, &ifr[i]) == -1) { | |
| 111 freeifaddrs(*ifap); | |
| 112 return -1; | |
| 113 } | |
| 114 | |
| 115 curif = calloc(1, sizeof(struct ifaddrs)); | |
| 116 curif->ifa_name = strdup(ifr[i].ifr_name); | |
| 117 curif->ifa_flags = ifr[i].ifr_flags; | |
| 118 curif->ifa_dstaddr = NULL; | |
| 119 curif->ifa_data = NULL; | |
| 120 curif->ifa_next = NULL; | |
| 121 | |
| 122 curif->ifa_addr = NULL; | |
| 123 if (ioctl(fd, SIOCGIFADDR, &ifr[i]) != -1) { | |
| 124 curif->ifa_addr = sockaddr_dup(&ifr[i].ifr_addr); | |
| 125 } | |
| 126 | |
| 127 curif->ifa_netmask = NULL; | |
| 128 if (ioctl(fd, SIOCGIFNETMASK, &ifr[i]) != -1) { | |
| 129 curif->ifa_netmask = sockaddr_dup(&ifr[i].ifr_addr); | |
| 130 } | |
| 131 | |
| 132 if (lastif == NULL) { | |
| 133 *ifap = curif; | |
| 134 } else { | |
| 135 lastif->ifa_next = curif; | |
| 136 } | |
| 137 lastif = curif; | |
| 138 } | |
| 139 | |
| 140 close(fd); | |
| 141 | |
| 142 return 0; | |
| 143 } | |
| 144 | |
| 145 #define _FOUND_IFACE_ANY | |
| 146 #endif /* HAVE_IFACE_IFCONF */ | |
| 147 #ifdef HAVE_IFACE_IFREQ | |
| 148 | |
| 149 #ifndef I_STR | |
| 150 #include <sys/stropts.h> | |
| 151 #endif | |
| 152 | |
| 153 /**************************************************************************** | |
| 154 this should cover most of the streams based systems | |
| 155 Thanks to Andrej.Borsenkow@mow.siemens.ru for several ideas in this code | |
| 156 ****************************************************************************/ | |
| 157 int rep_getifaddrs(struct ifaddrs **ifap) | |
| 158 { | |
| 159 struct ifreq ifreq; | |
| 160 struct strioctl strioctl; | |
| 161 char buff[8192]; | |
| 162 int fd, i, n; | |
| 163 struct ifreq *ifr=NULL; | |
| 164 struct ifaddrs *curif; | |
| 165 struct ifaddrs *lastif = NULL; | |
| 166 | |
| 167 *ifap = NULL; | |
| 168 | |
| 169 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { | |
| 170 return -1; | |
| 171 } | |
| 172 | |
| 173 strioctl.ic_cmd = SIOCGIFCONF; | |
| 174 strioctl.ic_dp = buff; | |
| 175 strioctl.ic_len = sizeof(buff); | |
| 176 if (ioctl(fd, I_STR, &strioctl) < 0) { | |
| 177 close(fd); | |
| 178 return -1; | |
| 179 } | |
| 180 | |
| 181 /* we can ignore the possible sizeof(int) here as the resulting | |
| 182 number of interface structures won't change */ | |
| 183 n = strioctl.ic_len / sizeof(struct ifreq); | |
| 184 | |
| 185 /* we will assume that the kernel returns the length as an int | |
| 186 at the start of the buffer if the offered size is a | |
| 187 multiple of the structure size plus an int */ | |
| 188 if (n*sizeof(struct ifreq) + sizeof(int) == strioctl.ic_len) { | |
| 189 ifr = (struct ifreq *)(buff + sizeof(int)); | |
| 190 } else { | |
| 191 ifr = (struct ifreq *)buff; | |
| 192 } | |
| 193 | |
| 194 /* Loop through interfaces */ | |
| 195 | |
| 196 for (i = 0; i<n; i++) { | |
| 197 ifreq = ifr[i]; | |
| 198 | |
| 199 curif = calloc(1, sizeof(struct ifaddrs)); | |
| 200 if (lastif == NULL) { | |
| 201 *ifap = curif; | |
| 202 } else { | |
| 203 lastif->ifa_next = curif; | |
| 204 } | |
| 205 | |
| 206 strioctl.ic_cmd = SIOCGIFFLAGS; | |
| 207 strioctl.ic_dp = (char *)&ifreq; | |
| 208 strioctl.ic_len = sizeof(struct ifreq); | |
| 209 if (ioctl(fd, I_STR, &strioctl) != 0) { | |
| 210 freeifaddrs(*ifap); | |
| 211 return -1; | |
| 212 } | |
| 213 | |
| 214 curif->ifa_flags = ifreq.ifr_flags; | |
| 215 | |
| 216 strioctl.ic_cmd = SIOCGIFADDR; | |
| 217 strioctl.ic_dp = (char *)&ifreq; | |
| 218 strioctl.ic_len = sizeof(struct ifreq); | |
| 219 if (ioctl(fd, I_STR, &strioctl) != 0) { | |
| 220 freeifaddrs(*ifap); | |
| 221 return -1; | |
| 222 } | |
| 223 | |
| 224 curif->ifa_name = strdup(ifreq.ifr_name); | |
| 225 curif->ifa_addr = sockaddr_dup(&ifreq.ifr_addr); | |
| 226 curif->ifa_dstaddr = NULL; | |
| 227 curif->ifa_data = NULL; | |
| 228 curif->ifa_next = NULL; | |
| 229 curif->ifa_netmask = NULL; | |
| 230 | |
| 231 strioctl.ic_cmd = SIOCGIFNETMASK; | |
| 232 strioctl.ic_dp = (char *)&ifreq; | |
| 233 strioctl.ic_len = sizeof(struct ifreq); | |
| 234 if (ioctl(fd, I_STR, &strioctl) != 0) { | |
| 235 freeifaddrs(*ifap); | |
| 236 return -1; | |
| 237 } | |
| 238 | |
| 239 curif->ifa_netmask = sockaddr_dup(&ifreq.ifr_addr); | |
| 240 | |
| 241 lastif = curif; | |
| 242 } | |
| 243 | |
| 244 close(fd); | |
| 245 | |
| 246 return 0; | |
| 247 } | |
| 248 | |
| 249 #define _FOUND_IFACE_ANY | |
| 250 #endif /* HAVE_IFACE_IFREQ */ | |
| 251 #ifdef HAVE_IFACE_AIX | |
| 252 | |
| 253 /**************************************************************************** | |
| 254 this one is for AIX (tested on 4.2) | |
| 255 ****************************************************************************/ | |
| 256 int rep_getifaddrs(struct ifaddrs **ifap) | |
| 257 { | |
| 258 char buff[8192]; | |
| 259 int fd, i; | |
| 260 struct ifconf ifc; | |
| 261 struct ifreq *ifr=NULL; | |
| 262 struct ifaddrs *curif; | |
| 263 struct ifaddrs *lastif = NULL; | |
| 264 | |
| 265 *ifap = NULL; | |
| 266 | |
| 267 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { | |
| 268 return -1; | |
| 269 } | |
| 270 | |
| 271 ifc.ifc_len = sizeof(buff); | |
| 272 ifc.ifc_buf = buff; | |
| 273 | |
| 274 if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) { | |
| 275 close(fd); | |
| 276 return -1; | |
| 277 } | |
| 278 | |
| 279 ifr = ifc.ifc_req; | |
| 280 | |
| 281 /* Loop through interfaces */ | |
| 282 i = ifc.ifc_len; | |
| 283 | |
| 284 while (i > 0) { | |
| 285 uint_t inc; | |
| 286 | |
| 287 inc = ifr->ifr_addr.sa_len; | |
| 288 | |
| 289 if (ioctl(fd, SIOCGIFADDR, ifr) != 0) { | |
| 290 freeaddrinfo(*ifap); | |
| 291 return -1; | |
| 292 } | |
| 293 | |
| 294 curif = calloc(1, sizeof(struct ifaddrs)); | |
| 295 if (lastif == NULL) { | |
| 296 *ifap = curif; | |
| 297 } else { | |
| 298 lastif->ifa_next = curif; | |
| 299 } | |
| 300 | |
| 301 curif->ifa_name = strdup(ifr->ifr_name); | |
| 302 curif->ifa_addr = sockaddr_dup(&ifr->ifr_addr); | |
| 303 curif->ifa_dstaddr = NULL; | |
| 304 curif->ifa_data = NULL; | |
| 305 curif->ifa_netmask = NULL; | |
| 306 curif->ifa_next = NULL; | |
| 307 | |
| 308 if (ioctl(fd, SIOCGIFFLAGS, ifr) != 0) { | |
| 309 freeaddrinfo(*ifap); | |
| 310 return -1; | |
| 311 } | |
| 312 | |
| 313 curif->ifa_flags = ifr->ifr_flags; | |
| 314 | |
| 315 if (ioctl(fd, SIOCGIFNETMASK, ifr) != 0) { | |
| 316 freeaddrinfo(*ifap); | |
| 317 return -1; | |
| 318 } | |
| 319 | |
| 320 curif->ifa_netmask = sockaddr_dup(&ifr->ifr_addr); | |
| 321 | |
| 322 lastif = curif; | |
| 323 | |
| 324 next: | |
| 325 /* | |
| 326 * Patch from Archie Cobbs (archie@whistle.com). The | |
| 327 * addresses in the SIOCGIFCONF interface list have a | |
| 328 * minimum size. Usually this doesn't matter, but if | |
| 329 * your machine has tunnel interfaces, etc. that have | |
| 330 * a zero length "link address", this does matter. */ | |
| 331 | |
| 332 if (inc < sizeof(ifr->ifr_addr)) | |
| 333 inc = sizeof(ifr->ifr_addr); | |
| 334 inc += IFNAMSIZ; | |
| 335 | |
| 336 ifr = (struct ifreq*) (((char*) ifr) + inc); | |
| 337 i -= inc; | |
| 338 } | |
| 339 | |
| 340 close(fd); | |
| 341 return 0; | |
| 342 } | |
| 343 | |
| 344 #define _FOUND_IFACE_ANY | |
| 345 #endif /* HAVE_IFACE_AIX */ | |
| 346 #ifndef _FOUND_IFACE_ANY | |
| 347 int rep_getifaddrs(struct ifaddrs **ifap) | |
| 348 { | |
| 349 errno = ENOSYS; | |
| 350 return -1; | |
| 351 } | |
| 352 #endif | |
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Chromium Code Reviews
Issue 2282793002:
Remove unused third_party/talloc (Closed)
