Benny Prijono | 8ab968f | 2007-07-20 08:08:30 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C)2003-2007 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pj/sock.h> |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 20 | #include <pj/assert.h> |
| 21 | #include <pj/errno.h> |
| 22 | #include <pj/ip_helper.h> |
| 23 | #include <pj/os.h> |
| 24 | #include <pj/addr_resolv.h> |
| 25 | #include <pj/string.h> |
| 26 | #include <pj/compat/socket.h> |
| 27 | |
| 28 | |
| 29 | /* |
| 30 | * Convert address string with numbers and dots to binary IP address. |
| 31 | */ |
| 32 | PJ_DEF(pj_in_addr) pj_inet_addr(const pj_str_t *cp) |
| 33 | { |
| 34 | pj_in_addr addr; |
| 35 | |
| 36 | pj_inet_aton(cp, &addr); |
| 37 | return addr; |
| 38 | } |
| 39 | |
| 40 | /* |
| 41 | * Convert address string with numbers and dots to binary IP address. |
| 42 | */ |
| 43 | PJ_DEF(pj_in_addr) pj_inet_addr2(const char *cp) |
| 44 | { |
| 45 | pj_str_t str = pj_str((char*)cp); |
| 46 | return pj_inet_addr(&str); |
| 47 | } |
| 48 | |
| 49 | /* |
Benny Prijono | 80025db | 2007-12-02 15:36:46 +0000 | [diff] [blame] | 50 | * Get text representation. |
| 51 | */ |
| 52 | PJ_DEF(char*) pj_inet_ntop2( int af, const void *src, |
| 53 | char *dst, int size) |
| 54 | { |
| 55 | pj_status_t status; |
| 56 | |
| 57 | status = pj_inet_ntop(af, src, dst, size); |
| 58 | return (status==PJ_SUCCESS)? dst : NULL; |
| 59 | } |
| 60 | |
| 61 | /* |
Benny Prijono | 40c2633 | 2007-12-03 14:33:39 +0000 | [diff] [blame] | 62 | * Print socket address. |
| 63 | */ |
| 64 | PJ_DEF(char*) pj_sockaddr_print( const pj_sockaddr_t *addr, |
| 65 | char *buf, int size, |
| 66 | unsigned flags) |
| 67 | { |
| 68 | enum { |
| 69 | WITH_PORT = 1, |
| 70 | WITH_BRACKETS = 2 |
| 71 | }; |
| 72 | |
| 73 | char txt[PJ_INET6_ADDRSTRLEN]; |
| 74 | char port[32]; |
| 75 | const pj_addr_hdr *h = (const pj_addr_hdr*)addr; |
| 76 | char *bquote, *equote; |
| 77 | pj_status_t status; |
| 78 | |
| 79 | status = pj_inet_ntop(h->sa_family, pj_sockaddr_get_addr(addr), |
| 80 | txt, sizeof(txt)); |
| 81 | if (status != PJ_SUCCESS) |
| 82 | return ""; |
| 83 | |
| 84 | if (h->sa_family != PJ_AF_INET6 || (flags & WITH_BRACKETS)==0) { |
| 85 | bquote = ""; equote = ""; |
| 86 | } else { |
| 87 | bquote = "["; equote = "]"; |
| 88 | } |
| 89 | |
| 90 | if (flags & WITH_PORT) { |
| 91 | pj_ansi_snprintf(port, sizeof(port), ":%d", |
| 92 | pj_sockaddr_get_port(addr)); |
| 93 | } else { |
| 94 | port[0] = '\0'; |
| 95 | } |
| 96 | |
| 97 | pj_ansi_snprintf(buf, size, "%s%s%s%s", |
| 98 | bquote, txt, equote, port); |
| 99 | |
| 100 | return buf; |
| 101 | } |
| 102 | |
| 103 | /* |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 104 | * Set the IP address of an IP socket address from string address, |
| 105 | * with resolving the host if necessary. The string address may be in a |
| 106 | * standard numbers and dots notation or may be a hostname. If hostname |
| 107 | * is specified, then the function will resolve the host into the IP |
| 108 | * address. |
| 109 | */ |
| 110 | PJ_DEF(pj_status_t) pj_sockaddr_in_set_str_addr( pj_sockaddr_in *addr, |
| 111 | const pj_str_t *str_addr) |
| 112 | { |
| 113 | PJ_CHECK_STACK(); |
| 114 | |
| 115 | PJ_ASSERT_RETURN(!str_addr || str_addr->slen < PJ_MAX_HOSTNAME, |
| 116 | (addr->sin_addr.s_addr=PJ_INADDR_NONE, PJ_EINVAL)); |
| 117 | |
| 118 | PJ_SOCKADDR_RESET_LEN(addr); |
| 119 | addr->sin_family = AF_INET; |
| 120 | pj_bzero(addr->sin_zero, sizeof(addr->sin_zero)); |
| 121 | |
| 122 | if (str_addr && str_addr->slen) { |
| 123 | addr->sin_addr = pj_inet_addr(str_addr); |
| 124 | if (addr->sin_addr.s_addr == PJ_INADDR_NONE) { |
| 125 | pj_hostent he; |
| 126 | pj_status_t rc; |
| 127 | |
| 128 | rc = pj_gethostbyname(str_addr, &he); |
| 129 | if (rc == 0) { |
| 130 | addr->sin_addr.s_addr = *(pj_uint32_t*)he.h_addr; |
| 131 | } else { |
| 132 | addr->sin_addr.s_addr = PJ_INADDR_NONE; |
| 133 | return rc; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | } else { |
| 138 | addr->sin_addr.s_addr = 0; |
| 139 | } |
| 140 | |
| 141 | return PJ_SUCCESS; |
| 142 | } |
| 143 | |
| 144 | /* Set address from a name */ |
| 145 | PJ_DEF(pj_status_t) pj_sockaddr_set_str_addr(int af, |
| 146 | pj_sockaddr *addr, |
| 147 | const pj_str_t *str_addr) |
| 148 | { |
| 149 | pj_status_t status; |
| 150 | |
| 151 | if (af == PJ_AF_INET) { |
| 152 | return pj_sockaddr_in_set_str_addr(&addr->ipv4, str_addr); |
| 153 | } |
| 154 | |
| 155 | PJ_ASSERT_RETURN(af==PJ_AF_INET6, PJ_EAFNOTSUP); |
| 156 | |
| 157 | /* IPv6 specific */ |
| 158 | |
| 159 | addr->ipv6.sin6_family = PJ_AF_INET6; |
| 160 | PJ_SOCKADDR_RESET_LEN(addr); |
| 161 | |
| 162 | if (str_addr && str_addr->slen) { |
| 163 | status = pj_inet_pton(PJ_AF_INET6, str_addr, &addr->ipv6.sin6_addr); |
| 164 | if (status != PJ_SUCCESS) { |
| 165 | pj_addrinfo ai; |
| 166 | unsigned count = 1; |
| 167 | |
| 168 | status = pj_getaddrinfo(PJ_AF_INET6, str_addr, &count, &ai); |
| 169 | if (status==PJ_SUCCESS) { |
| 170 | pj_memcpy(&addr->ipv6.sin6_addr, &ai.ai_addr.ipv6.sin6_addr, |
| 171 | sizeof(pj_sockaddr_in6)); |
| 172 | } |
| 173 | } |
| 174 | } else { |
| 175 | status = PJ_SUCCESS; |
| 176 | } |
| 177 | |
| 178 | return status; |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * Set the IP address and port of an IP socket address. |
| 183 | * The string address may be in a standard numbers and dots notation or |
| 184 | * may be a hostname. If hostname is specified, then the function will |
| 185 | * resolve the host into the IP address. |
| 186 | */ |
| 187 | PJ_DEF(pj_status_t) pj_sockaddr_in_init( pj_sockaddr_in *addr, |
| 188 | const pj_str_t *str_addr, |
| 189 | pj_uint16_t port) |
| 190 | { |
| 191 | PJ_ASSERT_RETURN(addr, (addr->sin_addr.s_addr=PJ_INADDR_NONE, PJ_EINVAL)); |
| 192 | |
| 193 | PJ_SOCKADDR_RESET_LEN(addr); |
| 194 | addr->sin_family = PJ_AF_INET; |
| 195 | pj_bzero(addr->sin_zero, sizeof(addr->sin_zero)); |
| 196 | pj_sockaddr_in_set_port(addr, port); |
| 197 | return pj_sockaddr_in_set_str_addr(addr, str_addr); |
| 198 | } |
| 199 | |
| 200 | /* |
| 201 | * Initialize IP socket address based on the address and port info. |
| 202 | */ |
| 203 | PJ_DEF(pj_status_t) pj_sockaddr_init(int af, |
| 204 | pj_sockaddr *addr, |
| 205 | const pj_str_t *cp, |
| 206 | pj_uint16_t port) |
| 207 | { |
| 208 | pj_status_t status; |
| 209 | |
| 210 | if (af == PJ_AF_INET) { |
| 211 | return pj_sockaddr_in_init(&addr->ipv4, cp, port); |
| 212 | } |
| 213 | |
| 214 | /* IPv6 specific */ |
| 215 | PJ_ASSERT_RETURN(af==PJ_AF_INET6, PJ_EAFNOTSUP); |
| 216 | |
| 217 | pj_bzero(addr, sizeof(pj_sockaddr_in6)); |
| 218 | addr->addr.sa_family = PJ_AF_INET6; |
| 219 | |
| 220 | status = pj_sockaddr_set_str_addr(af, addr, cp); |
| 221 | if (status != PJ_SUCCESS) |
| 222 | return status; |
| 223 | |
| 224 | addr->ipv6.sin6_port = pj_htons(port); |
| 225 | return PJ_SUCCESS; |
| 226 | } |
| 227 | |
| 228 | /* |
Benny Prijono | 40c2633 | 2007-12-03 14:33:39 +0000 | [diff] [blame] | 229 | * Compare two socket addresses. |
| 230 | */ |
| 231 | PJ_DEF(int) pj_sockaddr_cmp( const pj_sockaddr_t *addr1, |
| 232 | const pj_sockaddr_t *addr2) |
| 233 | { |
| 234 | const pj_sockaddr *a1 = (const pj_sockaddr*) addr1; |
| 235 | const pj_sockaddr *a2 = (const pj_sockaddr*) addr2; |
| 236 | int port1, port2; |
| 237 | int result; |
| 238 | |
| 239 | /* Compare address family */ |
| 240 | if (a1->addr.sa_family < a2->addr.sa_family) |
| 241 | return -1; |
| 242 | else if (a1->addr.sa_family > a2->addr.sa_family) |
| 243 | return 1; |
| 244 | |
| 245 | /* Compare addresses */ |
| 246 | result = pj_memcmp(pj_sockaddr_get_addr(a1), |
| 247 | pj_sockaddr_get_addr(a2), |
| 248 | pj_sockaddr_get_addr_len(a1)); |
| 249 | if (result != 0) |
| 250 | return result; |
| 251 | |
| 252 | /* Compare port number */ |
| 253 | port1 = pj_sockaddr_get_port(a1); |
| 254 | port2 = pj_sockaddr_get_port(a2); |
| 255 | |
| 256 | if (port1 < port2) |
| 257 | return -1; |
| 258 | else if (port1 > port2) |
| 259 | return 1; |
| 260 | |
| 261 | /* TODO: |
| 262 | * Do we need to compare flow label and scope id in IPv6? |
| 263 | */ |
| 264 | |
| 265 | /* Looks equal */ |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | /* |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 270 | * Get first IP address associated with the hostname. |
| 271 | */ |
| 272 | PJ_DEF(pj_in_addr) pj_gethostaddr(void) |
| 273 | { |
| 274 | pj_sockaddr_in addr; |
| 275 | const pj_str_t *hostname = pj_gethostname(); |
| 276 | |
| 277 | pj_sockaddr_in_set_str_addr(&addr, hostname); |
| 278 | return addr.sin_addr; |
| 279 | } |
| 280 | |
| 281 | /* |
| 282 | * Get port number of a pj_sockaddr_in |
| 283 | */ |
| 284 | PJ_DEF(pj_uint16_t) pj_sockaddr_in_get_port(const pj_sockaddr_in *addr) |
| 285 | { |
| 286 | return pj_ntohs(addr->sin_port); |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * Get the address part |
| 291 | */ |
| 292 | PJ_DEF(void*) pj_sockaddr_get_addr(const pj_sockaddr_t *addr) |
| 293 | { |
| 294 | const pj_sockaddr *a = (const pj_sockaddr*)addr; |
| 295 | |
| 296 | PJ_ASSERT_RETURN(a->addr.sa_family == PJ_AF_INET || |
| 297 | a->addr.sa_family == PJ_AF_INET6, NULL); |
| 298 | |
| 299 | if (a->addr.sa_family == PJ_AF_INET6) |
| 300 | return (void*) &a->ipv6.sin6_addr; |
| 301 | else |
| 302 | return (void*) &a->ipv4.sin_addr; |
| 303 | } |
| 304 | |
| 305 | /* |
| 306 | * Check if sockaddr contains a non-zero address |
| 307 | */ |
| 308 | PJ_DEF(pj_bool_t) pj_sockaddr_has_addr(const pj_sockaddr_t *addr) |
| 309 | { |
| 310 | const pj_sockaddr *a = (const pj_sockaddr*)addr; |
| 311 | |
Benny Prijono | bb7b98e | 2007-12-12 17:13:34 +0000 | [diff] [blame] | 312 | /* It's probably not wise to raise assertion here if |
| 313 | * the address doesn't contain a valid address family, and |
| 314 | * just return PJ_FALSE instead. |
| 315 | * |
| 316 | * The reason is because application may need to distinguish |
| 317 | * these three conditions with sockaddr: |
| 318 | * a) sockaddr is not initialized. This is by convention |
| 319 | * indicated by sa_family==0. |
| 320 | * b) sockaddr is initialized with zero address. This is |
| 321 | * indicated with the address field having zero address. |
| 322 | * c) sockaddr is initialized with valid address/port. |
| 323 | * |
| 324 | * If we enable this assertion, then application will loose |
| 325 | * the capability to specify condition a), since it will be |
| 326 | * forced to always initialize sockaddr (even with zero address). |
| 327 | * This may break some parts of upper layer libraries. |
| 328 | */ |
| 329 | //PJ_ASSERT_RETURN(a->addr.sa_family == PJ_AF_INET || |
| 330 | // a->addr.sa_family == PJ_AF_INET6, PJ_EAFNOTSUP); |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 331 | |
Benny Prijono | bb7b98e | 2007-12-12 17:13:34 +0000 | [diff] [blame] | 332 | if (a->addr.sa_family!=PJ_AF_INET && a->addr.sa_family!=PJ_AF_INET6) { |
| 333 | return PJ_FALSE; |
| 334 | } else if (a->addr.sa_family == PJ_AF_INET6) { |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 335 | pj_uint8_t zero[24]; |
| 336 | pj_bzero(zero, sizeof(zero)); |
| 337 | return pj_memcmp(a->ipv6.sin6_addr.s6_addr, zero, |
| 338 | sizeof(pj_in6_addr)) != 0; |
| 339 | } else |
| 340 | return a->ipv4.sin_addr.s_addr != PJ_INADDR_ANY; |
| 341 | } |
| 342 | |
| 343 | /* |
| 344 | * Get port number |
| 345 | */ |
| 346 | PJ_DEF(pj_uint16_t) pj_sockaddr_get_port(const pj_sockaddr_t *addr) |
| 347 | { |
| 348 | const pj_sockaddr *a = (const pj_sockaddr*) addr; |
| 349 | |
| 350 | PJ_ASSERT_RETURN(a->addr.sa_family == PJ_AF_INET || |
| 351 | a->addr.sa_family == PJ_AF_INET6, (pj_uint16_t)0xFFFF); |
| 352 | |
| 353 | return pj_ntohs((pj_uint16_t)(a->addr.sa_family == PJ_AF_INET6 ? |
| 354 | a->ipv6.sin6_port : a->ipv4.sin_port)); |
| 355 | } |
| 356 | |
| 357 | /* |
| 358 | * Get the length of the address part. |
| 359 | */ |
| 360 | PJ_DEF(unsigned) pj_sockaddr_get_addr_len(const pj_sockaddr_t *addr) |
| 361 | { |
| 362 | const pj_sockaddr *a = (const pj_sockaddr*) addr; |
| 363 | PJ_ASSERT_RETURN(a->addr.sa_family == PJ_AF_INET || |
| 364 | a->addr.sa_family == PJ_AF_INET6, PJ_EAFNOTSUP); |
| 365 | return a->addr.sa_family == PJ_AF_INET6 ? |
| 366 | sizeof(pj_in6_addr) : sizeof(pj_in_addr); |
| 367 | } |
| 368 | |
| 369 | /* |
Benny Prijono | 80025db | 2007-12-02 15:36:46 +0000 | [diff] [blame] | 370 | * Get socket address length. |
| 371 | */ |
| 372 | PJ_DEF(unsigned) pj_sockaddr_get_len(const pj_sockaddr_t *addr) |
| 373 | { |
| 374 | const pj_sockaddr *a = (const pj_sockaddr*) addr; |
| 375 | PJ_ASSERT_RETURN(a->addr.sa_family == PJ_AF_INET || |
| 376 | a->addr.sa_family == PJ_AF_INET6, PJ_EAFNOTSUP); |
| 377 | return a->addr.sa_family == PJ_AF_INET6 ? |
| 378 | sizeof(pj_sockaddr_in6) : sizeof(pj_sockaddr_in); |
| 379 | } |
| 380 | |
| 381 | /* |
Benny Prijono | 40c2633 | 2007-12-03 14:33:39 +0000 | [diff] [blame] | 382 | * Copy only the address part (sin_addr/sin6_addr) of a socket address. |
| 383 | */ |
| 384 | PJ_DEF(void) pj_sockaddr_copy_addr( pj_sockaddr *dst, |
| 385 | const pj_sockaddr *src) |
| 386 | { |
| 387 | pj_memcpy(pj_sockaddr_get_addr(dst), |
| 388 | pj_sockaddr_get_addr(src), |
| 389 | pj_sockaddr_get_addr_len(src)); |
| 390 | } |
| 391 | |
| 392 | /* |
Benny Prijono | 842754c | 2008-05-11 18:11:32 +0000 | [diff] [blame] | 393 | * Copy socket address. |
| 394 | */ |
| 395 | PJ_DEF(void) pj_sockaddr_cp(pj_sockaddr_t *dst, const pj_sockaddr_t *src) |
| 396 | { |
| 397 | pj_memcpy(dst, src, pj_sockaddr_get_len(src)); |
| 398 | } |
| 399 | |
| 400 | /* |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 401 | * Set port number of pj_sockaddr_in |
| 402 | */ |
| 403 | PJ_DEF(void) pj_sockaddr_in_set_port(pj_sockaddr_in *addr, |
| 404 | pj_uint16_t hostport) |
| 405 | { |
| 406 | addr->sin_port = pj_htons(hostport); |
| 407 | } |
| 408 | |
| 409 | /* |
| 410 | * Set port number of pj_sockaddr |
| 411 | */ |
| 412 | PJ_DEF(pj_status_t) pj_sockaddr_set_port(pj_sockaddr *addr, |
| 413 | pj_uint16_t hostport) |
| 414 | { |
| 415 | int af = addr->addr.sa_family; |
| 416 | |
Benny Prijono | 80025db | 2007-12-02 15:36:46 +0000 | [diff] [blame] | 417 | PJ_ASSERT_RETURN(af==PJ_AF_INET || af==PJ_AF_INET6, PJ_EINVAL); |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 418 | |
| 419 | if (af == PJ_AF_INET6) |
| 420 | addr->ipv6.sin6_port = pj_htons(hostport); |
| 421 | else |
| 422 | addr->ipv4.sin_port = pj_htons(hostport); |
| 423 | |
| 424 | return PJ_SUCCESS; |
| 425 | } |
| 426 | |
| 427 | /* |
| 428 | * Get IPv4 address |
| 429 | */ |
| 430 | PJ_DEF(pj_in_addr) pj_sockaddr_in_get_addr(const pj_sockaddr_in *addr) |
| 431 | { |
| 432 | pj_in_addr in_addr; |
| 433 | in_addr.s_addr = pj_ntohl(addr->sin_addr.s_addr); |
| 434 | return in_addr; |
| 435 | } |
| 436 | |
| 437 | /* |
| 438 | * Set IPv4 address |
| 439 | */ |
| 440 | PJ_DEF(void) pj_sockaddr_in_set_addr(pj_sockaddr_in *addr, |
| 441 | pj_uint32_t hostaddr) |
| 442 | { |
| 443 | addr->sin_addr.s_addr = pj_htonl(hostaddr); |
| 444 | } |
| 445 | |
| 446 | /* Resolve the IP address of local machine */ |
| 447 | PJ_DEF(pj_status_t) pj_gethostip(int af, pj_sockaddr *addr) |
| 448 | { |
| 449 | unsigned count; |
| 450 | pj_addrinfo ai; |
| 451 | pj_status_t status; |
| 452 | |
| 453 | |
| 454 | #ifdef _MSC_VER |
| 455 | /* Get rid of "uninitialized he variable" with MS compilers */ |
| 456 | pj_bzero(&ai, sizeof(ai)); |
| 457 | #endif |
| 458 | |
| 459 | addr->addr.sa_family = (pj_uint16_t)af; |
| 460 | PJ_SOCKADDR_RESET_LEN(addr); |
| 461 | |
| 462 | /* Try with resolving local hostname first */ |
| 463 | count = 1; |
| 464 | status = pj_getaddrinfo(af, pj_gethostname(), &count, &ai); |
| 465 | if (status == PJ_SUCCESS) { |
Benny Prijono | 9db4bd6 | 2007-12-31 11:26:21 +0000 | [diff] [blame] | 466 | pj_assert(ai.ai_addr.addr.sa_family == (pj_uint16_t)af); |
| 467 | pj_sockaddr_copy_addr(addr, &ai.ai_addr); |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | |
Benny Prijono | b618d62 | 2008-06-09 10:07:11 +0000 | [diff] [blame] | 471 | /* If we end up with 127.0.0.0/8 or 0.0.0.0/8, resolve the IP |
| 472 | * by getting the default interface to connect to some public host. |
| 473 | * The 0.0.0.0/8 is a special IP class that doesn't seem to be |
| 474 | * practically useful for our purpose. |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 475 | */ |
| 476 | if (status != PJ_SUCCESS || !pj_sockaddr_has_addr(addr) || |
Benny Prijono | b618d62 | 2008-06-09 10:07:11 +0000 | [diff] [blame] | 477 | (af==PJ_AF_INET && (pj_ntohl(addr->ipv4.sin_addr.s_addr)>>24)==127) || |
| 478 | (af==PJ_AF_INET && (pj_ntohl(addr->ipv4.sin_addr.s_addr)>>24)==0)) |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 479 | { |
Benny Prijono | 9db4bd6 | 2007-12-31 11:26:21 +0000 | [diff] [blame] | 480 | status = pj_getdefaultipinterface(af, addr); |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 481 | } |
| 482 | |
| 483 | /* If failed, get the first available interface */ |
| 484 | if (status != PJ_SUCCESS) { |
Benny Prijono | 9db4bd6 | 2007-12-31 11:26:21 +0000 | [diff] [blame] | 485 | pj_sockaddr itf[1]; |
| 486 | unsigned count = PJ_ARRAY_SIZE(itf); |
| 487 | |
| 488 | status = pj_enum_ip_interface(af, &count, itf); |
| 489 | if (status == PJ_SUCCESS) { |
| 490 | pj_assert(itf[0].addr.sa_family == (pj_uint16_t)af); |
| 491 | pj_sockaddr_copy_addr(addr, &itf[0]); |
| 492 | } |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 493 | } |
| 494 | |
| 495 | /* If else fails, returns loopback interface as the last resort */ |
| 496 | if (status != PJ_SUCCESS) { |
Benny Prijono | 9db4bd6 | 2007-12-31 11:26:21 +0000 | [diff] [blame] | 497 | if (af==PJ_AF_INET) { |
| 498 | addr->ipv4.sin_addr.s_addr = pj_htonl (0x7f000001); |
| 499 | } else { |
| 500 | pj_in6_addr *s6_addr; |
| 501 | |
| 502 | s6_addr = (pj_in6_addr*) pj_sockaddr_get_addr(addr); |
| 503 | pj_bzero(s6_addr, sizeof(pj_in6_addr)); |
| 504 | s6_addr->s6_addr[15] = 1; |
| 505 | } |
| 506 | status = PJ_SUCCESS; |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | return status; |
| 510 | } |
| 511 | |
| 512 | /* Get the default IP interface */ |
| 513 | PJ_DEF(pj_status_t) pj_getdefaultipinterface(int af, pj_sockaddr *addr) |
| 514 | { |
| 515 | pj_sock_t fd; |
| 516 | pj_str_t cp; |
| 517 | pj_sockaddr a; |
| 518 | int len; |
| 519 | pj_uint8_t zero[64]; |
| 520 | pj_status_t status; |
| 521 | |
| 522 | addr->addr.sa_family = (pj_uint16_t)af; |
| 523 | |
| 524 | status = pj_sock_socket(af, pj_SOCK_DGRAM(), 0, &fd); |
| 525 | if (status != PJ_SUCCESS) { |
| 526 | return status; |
| 527 | } |
| 528 | |
| 529 | if (af == PJ_AF_INET) { |
| 530 | cp = pj_str("1.1.1.1"); |
| 531 | } else { |
| 532 | cp = pj_str("1::1"); |
| 533 | } |
| 534 | status = pj_sockaddr_init(af, &a, &cp, 53); |
| 535 | if (status != PJ_SUCCESS) { |
| 536 | pj_sock_close(fd); |
| 537 | return status; |
| 538 | } |
| 539 | |
| 540 | status = pj_sock_connect(fd, &a, sizeof(a)); |
| 541 | if (status != PJ_SUCCESS) { |
| 542 | pj_sock_close(fd); |
| 543 | return status; |
| 544 | } |
| 545 | |
| 546 | len = sizeof(a); |
| 547 | status = pj_sock_getsockname(fd, &a, &len); |
| 548 | if (status != PJ_SUCCESS) { |
| 549 | pj_sock_close(fd); |
| 550 | return status; |
| 551 | } |
| 552 | |
| 553 | pj_sock_close(fd); |
| 554 | |
| 555 | /* Check that the address returned is not zero */ |
| 556 | pj_bzero(zero, sizeof(zero)); |
| 557 | if (pj_memcmp(pj_sockaddr_get_addr(&a), zero, |
| 558 | pj_sockaddr_get_addr_len(&a))==0) |
| 559 | { |
| 560 | return PJ_ENOTFOUND; |
| 561 | } |
| 562 | |
Benny Prijono | 9db4bd6 | 2007-12-31 11:26:21 +0000 | [diff] [blame] | 563 | pj_sockaddr_copy_addr(addr, &a); |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 564 | |
| 565 | /* Success */ |
| 566 | return PJ_SUCCESS; |
| 567 | } |
| 568 | |
| 569 | |
| 570 | /* Only need to implement these in DLL build */ |
| 571 | #if defined(PJ_DLL) |
Benny Prijono | 8ab968f | 2007-07-20 08:08:30 +0000 | [diff] [blame] | 572 | |
Benny Prijono | c16c6e3 | 2007-11-18 14:53:47 +0000 | [diff] [blame] | 573 | PJ_DEF(pj_uint16_t) pj_AF_UNSPEC(void) |
| 574 | { |
| 575 | return PJ_AF_UNSPEC; |
| 576 | } |
| 577 | |
Benny Prijono | 8ab968f | 2007-07-20 08:08:30 +0000 | [diff] [blame] | 578 | PJ_DEF(pj_uint16_t) pj_AF_UNIX(void) |
| 579 | { |
| 580 | return PJ_AF_UNIX; |
| 581 | } |
| 582 | |
| 583 | PJ_DEF(pj_uint16_t) pj_AF_INET(void) |
| 584 | { |
| 585 | return PJ_AF_INET; |
| 586 | } |
| 587 | |
| 588 | PJ_DEF(pj_uint16_t) pj_AF_INET6(void) |
| 589 | { |
| 590 | return PJ_AF_INET6; |
| 591 | } |
| 592 | |
| 593 | PJ_DEF(pj_uint16_t) pj_AF_PACKET(void) |
| 594 | { |
| 595 | return PJ_AF_PACKET; |
| 596 | } |
| 597 | |
| 598 | PJ_DEF(pj_uint16_t) pj_AF_IRDA(void) |
| 599 | { |
| 600 | return PJ_AF_IRDA; |
| 601 | } |
| 602 | |
| 603 | PJ_DEF(int) pj_SOCK_STREAM(void) |
| 604 | { |
| 605 | return PJ_SOCK_STREAM; |
| 606 | } |
| 607 | |
| 608 | PJ_DEF(int) pj_SOCK_DGRAM(void) |
| 609 | { |
| 610 | return PJ_SOCK_DGRAM; |
| 611 | } |
| 612 | |
| 613 | PJ_DEF(int) pj_SOCK_RAW(void) |
| 614 | { |
| 615 | return PJ_SOCK_RAW; |
| 616 | } |
| 617 | |
| 618 | PJ_DEF(int) pj_SOCK_RDM(void) |
| 619 | { |
| 620 | return PJ_SOCK_RDM; |
| 621 | } |
| 622 | |
| 623 | PJ_DEF(pj_uint16_t) pj_SOL_SOCKET(void) |
| 624 | { |
| 625 | return PJ_SOL_SOCKET; |
| 626 | } |
| 627 | |
| 628 | PJ_DEF(pj_uint16_t) pj_SOL_IP(void) |
| 629 | { |
| 630 | return PJ_SOL_IP; |
| 631 | } |
| 632 | |
| 633 | PJ_DEF(pj_uint16_t) pj_SOL_TCP(void) |
| 634 | { |
| 635 | return PJ_SOL_TCP; |
| 636 | } |
| 637 | |
| 638 | PJ_DEF(pj_uint16_t) pj_SOL_UDP(void) |
| 639 | { |
| 640 | return PJ_SOL_UDP; |
| 641 | } |
| 642 | |
| 643 | PJ_DEF(pj_uint16_t) pj_SOL_IPV6(void) |
| 644 | { |
| 645 | return PJ_SOL_IPV6; |
| 646 | } |
| 647 | |
| 648 | PJ_DEF(int) pj_IP_TOS(void) |
| 649 | { |
| 650 | return PJ_IP_TOS; |
| 651 | } |
| 652 | |
| 653 | PJ_DEF(int) pj_IPTOS_LOWDELAY(void) |
| 654 | { |
| 655 | return PJ_IPTOS_LOWDELAY; |
| 656 | } |
| 657 | |
| 658 | PJ_DEF(int) pj_IPTOS_THROUGHPUT(void) |
| 659 | { |
| 660 | return PJ_IPTOS_THROUGHPUT; |
| 661 | } |
| 662 | |
| 663 | PJ_DEF(int) pj_IPTOS_RELIABILITY(void) |
| 664 | { |
| 665 | return PJ_IPTOS_RELIABILITY; |
| 666 | } |
| 667 | |
| 668 | PJ_DEF(int) pj_IPTOS_MINCOST(void) |
| 669 | { |
| 670 | return PJ_IPTOS_MINCOST; |
| 671 | } |
| 672 | |
| 673 | PJ_DEF(pj_uint16_t) pj_SO_TYPE(void) |
| 674 | { |
| 675 | return PJ_SO_TYPE; |
| 676 | } |
| 677 | |
| 678 | PJ_DEF(pj_uint16_t) pj_SO_RCVBUF(void) |
| 679 | { |
| 680 | return PJ_SO_RCVBUF; |
| 681 | } |
| 682 | |
| 683 | PJ_DEF(pj_uint16_t) pj_SO_SNDBUF(void) |
| 684 | { |
| 685 | return PJ_SO_SNDBUF; |
| 686 | } |
| 687 | |
| 688 | PJ_DEF(int) pj_MSG_OOB(void) |
| 689 | { |
| 690 | return PJ_MSG_OOB; |
| 691 | } |
| 692 | |
| 693 | PJ_DEF(int) pj_MSG_PEEK(void) |
| 694 | { |
| 695 | return PJ_MSG_PEEK; |
| 696 | } |
| 697 | |
| 698 | PJ_DEF(int) pj_MSG_DONTROUTE(void) |
| 699 | { |
| 700 | return PJ_MSG_DONTROUTE; |
| 701 | } |
| 702 | |
Benny Prijono | 62b86eb | 2007-12-01 08:52:57 +0000 | [diff] [blame] | 703 | #endif /* PJ_DLL */ |
| 704 | |