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/* $Id: sock_bsd.c 3553 2011-05-05 06:14:19Z nanang $ */
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <pj/assert.h>
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#include <pj/string.h>
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#include <pj/compat/socket.h>
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#include <pj/addr_resolv.h>
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#include <pj/unicode.h>
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* Address families conversion.
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* The values here are indexed based on pj_addr_family.
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const pj_uint16_t PJ_AF_UNSPEC = AF_UNSPEC;
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const pj_uint16_t PJ_AF_UNIX = AF_UNIX;
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const pj_uint16_t PJ_AF_INET = AF_INET;
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const pj_uint16_t PJ_AF_INET6 = AF_INET6;
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const pj_uint16_t PJ_AF_PACKET = AF_PACKET;
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const pj_uint16_t PJ_AF_PACKET = 0xFFFF;
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const pj_uint16_t PJ_AF_IRDA = AF_IRDA;
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const pj_uint16_t PJ_AF_IRDA = 0xFFFF;
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* Socket types conversion.
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* The values here are indexed based on pj_sock_type
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const pj_uint16_t PJ_SOCK_STREAM= SOCK_STREAM;
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const pj_uint16_t PJ_SOCK_DGRAM = SOCK_DGRAM;
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const pj_uint16_t PJ_SOCK_RAW = SOCK_RAW;
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const pj_uint16_t PJ_SOCK_RDM = SOCK_RDM;
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* Socket level values.
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const pj_uint16_t PJ_SOL_SOCKET = SOL_SOCKET;
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const pj_uint16_t PJ_SOL_IP = SOL_IP;
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#elif defined(PJ_WIN32) && PJ_WIN32
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const pj_uint16_t PJ_SOL_IP = IPPROTO_IP;
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const pj_uint16_t PJ_SOL_IP = 0;
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const pj_uint16_t PJ_SOL_TCP = SOL_TCP;
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#elif defined(IPPROTO_TCP)
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const pj_uint16_t PJ_SOL_TCP = IPPROTO_TCP;
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#elif defined(PJ_WIN32) && PJ_WIN32
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const pj_uint16_t PJ_SOL_TCP = IPPROTO_TCP;
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const pj_uint16_t PJ_SOL_TCP = 6;
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const pj_uint16_t PJ_SOL_UDP = SOL_UDP;
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#elif defined(IPPROTO_UDP)
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const pj_uint16_t PJ_SOL_UDP = IPPROTO_UDP;
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#elif defined(PJ_WIN32) && PJ_WIN32
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const pj_uint16_t PJ_SOL_UDP = IPPROTO_UDP;
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const pj_uint16_t PJ_SOL_UDP = 17;
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const pj_uint16_t PJ_SOL_IPV6 = SOL_IPV6;
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#elif defined(PJ_WIN32) && PJ_WIN32
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# if defined(IPPROTO_IPV6) || (_WIN32_WINNT >= 0x0501)
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const pj_uint16_t PJ_SOL_IPV6 = IPPROTO_IPV6;
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const pj_uint16_t PJ_SOL_IPV6 = 41;
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const pj_uint16_t PJ_SOL_IPV6 = 41;
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const pj_uint16_t PJ_IP_TOS = IP_TOS;
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const pj_uint16_t PJ_IP_TOS = 1;
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/* TOS settings (declared in netinet/ip.h) */
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#ifdef IPTOS_LOWDELAY
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const pj_uint16_t PJ_IPTOS_LOWDELAY = IPTOS_LOWDELAY;
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const pj_uint16_t PJ_IPTOS_LOWDELAY = 0x10;
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#ifdef IPTOS_THROUGHPUT
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const pj_uint16_t PJ_IPTOS_THROUGHPUT = IPTOS_THROUGHPUT;
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const pj_uint16_t PJ_IPTOS_THROUGHPUT = 0x08;
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#ifdef IPTOS_RELIABILITY
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const pj_uint16_t PJ_IPTOS_RELIABILITY = IPTOS_RELIABILITY;
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const pj_uint16_t PJ_IPTOS_RELIABILITY = 0x04;
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const pj_uint16_t PJ_IPTOS_MINCOST = IPTOS_MINCOST;
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const pj_uint16_t PJ_IPTOS_MINCOST = 0x02;
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/* optname values. */
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const pj_uint16_t PJ_SO_TYPE = SO_TYPE;
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const pj_uint16_t PJ_SO_RCVBUF = SO_RCVBUF;
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const pj_uint16_t PJ_SO_SNDBUF = SO_SNDBUF;
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const pj_uint16_t PJ_TCP_NODELAY= TCP_NODELAY;
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const pj_uint16_t PJ_SO_REUSEADDR= SO_REUSEADDR;
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const pj_uint16_t PJ_SO_NOSIGPIPE = SO_NOSIGPIPE;
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const pj_uint16_t PJ_SO_NOSIGPIPE = 0xFFFF;
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#if defined(SO_PRIORITY)
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const pj_uint16_t PJ_SO_PRIORITY = SO_PRIORITY;
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/* This is from Linux, YMMV */
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const pj_uint16_t PJ_SO_PRIORITY = 12;
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/* Multicasting is not supported e.g. in PocketPC 2003 SDK */
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#ifdef IP_MULTICAST_IF
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const pj_uint16_t PJ_IP_MULTICAST_IF = IP_MULTICAST_IF;
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const pj_uint16_t PJ_IP_MULTICAST_TTL = IP_MULTICAST_TTL;
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const pj_uint16_t PJ_IP_MULTICAST_LOOP = IP_MULTICAST_LOOP;
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const pj_uint16_t PJ_IP_ADD_MEMBERSHIP = IP_ADD_MEMBERSHIP;
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const pj_uint16_t PJ_IP_DROP_MEMBERSHIP = IP_DROP_MEMBERSHIP;
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const pj_uint16_t PJ_IP_MULTICAST_IF = 0xFFFF;
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const pj_uint16_t PJ_IP_MULTICAST_TTL = 0xFFFF;
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const pj_uint16_t PJ_IP_MULTICAST_LOOP = 0xFFFF;
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const pj_uint16_t PJ_IP_ADD_MEMBERSHIP = 0xFFFF;
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const pj_uint16_t PJ_IP_DROP_MEMBERSHIP = 0xFFFF;
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/* recv() and send() flags */
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const int PJ_MSG_OOB = MSG_OOB;
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const int PJ_MSG_PEEK = MSG_PEEK;
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const int PJ_MSG_DONTROUTE = MSG_DONTROUTE;
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static void CHECK_ADDR_LEN(const pj_sockaddr *addr, int len)
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pj_sockaddr *a = (pj_sockaddr*)addr;
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pj_assert((a->addr.sa_family==PJ_AF_INET && len==sizeof(pj_sockaddr_in)) ||
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(a->addr.sa_family==PJ_AF_INET6 && len==sizeof(pj_sockaddr_in6)));
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#define CHECK_ADDR_LEN(addr,len)
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* Convert 16-bit value from network byte order to host byte order.
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PJ_DEF(pj_uint16_t) pj_ntohs(pj_uint16_t netshort)
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return ntohs(netshort);
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* Convert 16-bit value from host byte order to network byte order.
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PJ_DEF(pj_uint16_t) pj_htons(pj_uint16_t hostshort)
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return htons(hostshort);
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* Convert 32-bit value from network byte order to host byte order.
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PJ_DEF(pj_uint32_t) pj_ntohl(pj_uint32_t netlong)
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return ntohl(netlong);
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* Convert 32-bit value from host byte order to network byte order.
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PJ_DEF(pj_uint32_t) pj_htonl(pj_uint32_t hostlong)
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return htonl(hostlong);
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* Convert an Internet host address given in network byte order
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* to string in standard numbers and dots notation.
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PJ_DEF(char*) pj_inet_ntoa(pj_in_addr inaddr)
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#if !defined(PJ_LINUX) && !defined(PJ_LINUX_KERNEL)
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return inet_ntoa(*(struct in_addr*)&inaddr);
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addr.s_addr = inaddr.s_addr;
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return inet_ntoa(addr);
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* This function converts the Internet host address cp from the standard
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* numbers-and-dots notation into binary data and stores it in the structure
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* that inp points to.
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PJ_DEF(int) pj_inet_aton(const pj_str_t *cp, struct pj_in_addr *inp)
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char tempaddr[PJ_INET_ADDRSTRLEN];
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/* Initialize output with PJ_INADDR_NONE.
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* Some apps relies on this instead of the return value
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* (and anyway the return value is quite confusing!)
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inp->s_addr = PJ_INADDR_NONE;
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* this function might be called with cp->slen >= 16
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* (i.e. when called with hostname to check if it's an IP addr).
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PJ_ASSERT_RETURN(cp && cp->slen && inp, 0);
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if (cp->slen >= PJ_INET_ADDRSTRLEN) {
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pj_memcpy(tempaddr, cp->ptr, cp->slen);
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tempaddr[cp->slen] = '\0';
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#if defined(PJ_SOCK_HAS_INET_ATON) && PJ_SOCK_HAS_INET_ATON != 0
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return inet_aton(tempaddr, (struct in_addr*)inp);
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inp->s_addr = inet_addr(tempaddr);
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return inp->s_addr == PJ_INADDR_NONE ? 0 : 1;
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* Convert text to IPv4/IPv6 address.
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PJ_DEF(pj_status_t) pj_inet_pton(int af, const pj_str_t *src, void *dst)
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char tempaddr[PJ_INET6_ADDRSTRLEN];
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PJ_ASSERT_RETURN(af==PJ_AF_INET || af==PJ_AF_INET6, PJ_EAFNOTSUP);
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PJ_ASSERT_RETURN(src && src->slen && dst, PJ_EINVAL);
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/* Initialize output with PJ_IN_ADDR_NONE for IPv4 (to be
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* compatible with pj_inet_aton()
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if (af==PJ_AF_INET) {
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((pj_in_addr*)dst)->s_addr = PJ_INADDR_NONE;
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* this function might be called with cp->slen >= 46
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* (i.e. when called with hostname to check if it's an IP addr).
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if (src->slen >= PJ_INET6_ADDRSTRLEN) {
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return PJ_ENAMETOOLONG;
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pj_memcpy(tempaddr, src->ptr, src->slen);
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tempaddr[src->slen] = '\0';
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#if defined(PJ_SOCK_HAS_INET_PTON) && PJ_SOCK_HAS_INET_PTON != 0
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* Implementation using inet_pton()
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if (inet_pton(af, tempaddr, dst) != 1) {
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pj_status_t status = pj_get_netos_error();
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if (status == PJ_SUCCESS)
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status = PJ_EUNKNOWN;
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#elif defined(PJ_WIN32) || defined(PJ_WIN32_WINCE)
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* Implementation on Windows, using WSAStringToAddress().
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* Should also work on Unicode systems.
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PJ_DECL_UNICODE_TEMP_BUF(wtempaddr,PJ_INET6_ADDRSTRLEN)
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pj_sockaddr sock_addr;
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int addr_len = sizeof(sock_addr);
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sock_addr.addr.sa_family = (pj_uint16_t)af;
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rc = WSAStringToAddress(
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PJ_STRING_TO_NATIVE(tempaddr,wtempaddr,sizeof(wtempaddr)),
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af, NULL, (LPSOCKADDR)&sock_addr, &addr_len);
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/* If you get rc 130022 Invalid argument (WSAEINVAL) with IPv6,
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* check that you have IPv6 enabled (install it in the network
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pj_status_t status = pj_get_netos_error();
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if (status == PJ_SUCCESS)
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status = PJ_EUNKNOWN;
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if (sock_addr.addr.sa_family == PJ_AF_INET) {
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pj_memcpy(dst, &sock_addr.ipv4.sin_addr, 4);
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} else if (sock_addr.addr.sa_family == PJ_AF_INET6) {
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pj_memcpy(dst, &sock_addr.ipv6.sin6_addr, 16);
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pj_assert(!"Shouldn't happen");
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#elif !defined(PJ_HAS_IPV6) || PJ_HAS_IPV6==0
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/* IPv6 support is disabled, just return error without raising assertion */
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return PJ_EIPV6NOTSUP;
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pj_assert(!"Not supported");
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return PJ_EIPV6NOTSUP;
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* Convert IPv4/IPv6 address to text.
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PJ_DEF(pj_status_t) pj_inet_ntop(int af, const void *src,
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PJ_ASSERT_RETURN(src && dst && size, PJ_EINVAL);
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PJ_ASSERT_RETURN(af==PJ_AF_INET || af==PJ_AF_INET6, PJ_EAFNOTSUP);
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#if defined(PJ_SOCK_HAS_INET_NTOP) && PJ_SOCK_HAS_INET_NTOP != 0
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* Implementation using inet_ntop()
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if (inet_ntop(af, src, dst, size) == NULL) {
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pj_status_t status = pj_get_netos_error();
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if (status == PJ_SUCCESS)
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status = PJ_EUNKNOWN;
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#elif defined(PJ_WIN32) || defined(PJ_WIN32_WINCE)
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* Implementation on Windows, using WSAAddressToString().
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* Should also work on Unicode systems.
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PJ_DECL_UNICODE_TEMP_BUF(wtempaddr,PJ_INET6_ADDRSTRLEN)
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pj_sockaddr sock_addr;
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DWORD addr_len, addr_str_len;
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pj_bzero(&sock_addr, sizeof(sock_addr));
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sock_addr.addr.sa_family = (pj_uint16_t)af;
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if (af == PJ_AF_INET) {
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if (size < PJ_INET_ADDRSTRLEN)
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pj_memcpy(&sock_addr.ipv4.sin_addr, src, 4);
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addr_len = sizeof(pj_sockaddr_in);
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addr_str_len = PJ_INET_ADDRSTRLEN;
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} else if (af == PJ_AF_INET6) {
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if (size < PJ_INET6_ADDRSTRLEN)
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pj_memcpy(&sock_addr.ipv6.sin6_addr, src, 16);
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addr_len = sizeof(pj_sockaddr_in6);
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addr_str_len = PJ_INET6_ADDRSTRLEN;
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pj_assert(!"Unsupported address family");
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#if PJ_NATIVE_STRING_IS_UNICODE
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rc = WSAAddressToString((LPSOCKADDR)&sock_addr, addr_len,
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NULL, wtempaddr, &addr_str_len);
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pj_unicode_to_ansi(wtempaddr, wcslen(wtempaddr), dst, size);
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rc = WSAAddressToString((LPSOCKADDR)&sock_addr, addr_len,
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NULL, dst, &addr_str_len);
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pj_status_t status = pj_get_netos_error();
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if (status == PJ_SUCCESS)
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status = PJ_EUNKNOWN;
433
#elif !defined(PJ_HAS_IPV6) || PJ_HAS_IPV6==0
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/* IPv6 support is disabled, just return error without raising assertion */
435
return PJ_EIPV6NOTSUP;
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pj_assert(!"Not supported");
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return PJ_EIPV6NOTSUP;
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PJ_DEF(const pj_str_t*) pj_gethostname(void)
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static char buf[PJ_MAX_HOSTNAME];
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static pj_str_t hostname;
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if (hostname.ptr == NULL) {
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if (gethostname(buf, sizeof(buf)) != 0) {
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hostname.ptr[0] = '\0';
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hostname.slen = strlen(buf);
464
#if defined(PJ_WIN32)
466
* Create new socket/endpoint for communication and returns a descriptor.
468
PJ_DEF(pj_status_t) pj_sock_socket(int af,
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PJ_ASSERT_RETURN(sock!=NULL, PJ_EINVAL);
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PJ_ASSERT_RETURN((unsigned)PJ_INVALID_SOCKET==INVALID_SOCKET,
478
(*sock=PJ_INVALID_SOCKET, PJ_EINVAL));
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*sock = WSASocket(af, type, proto, NULL, 0, WSA_FLAG_OVERLAPPED);
482
if (*sock == PJ_INVALID_SOCKET)
483
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
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#if PJ_SOCK_DISABLE_WSAECONNRESET && \
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(!defined(PJ_WIN32_WINCE) || PJ_WIN32_WINCE==0)
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#ifndef SIO_UDP_CONNRESET
489
#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12)
492
/* Disable WSAECONNRESET for UDP.
493
* See https://trac.pjsip.org/repos/ticket/1197
495
if (type==PJ_SOCK_DGRAM) {
496
DWORD dwBytesReturned = 0;
497
BOOL bNewBehavior = FALSE;
500
rc = WSAIoctl(*sock, SIO_UDP_CONNRESET,
501
&bNewBehavior, sizeof(bNewBehavior),
502
NULL, 0, &dwBytesReturned,
505
if (rc==SOCKET_ERROR) {
516
* Create new socket/endpoint for communication and returns a descriptor.
518
PJ_DEF(pj_status_t) pj_sock_socket(int af,
527
PJ_ASSERT_RETURN(sock!=NULL, PJ_EINVAL);
528
PJ_ASSERT_RETURN(PJ_INVALID_SOCKET==-1,
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(*sock=PJ_INVALID_SOCKET, PJ_EINVAL));
531
*sock = socket(af, type, proto);
532
if (*sock == PJ_INVALID_SOCKET)
533
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
536
if (type == pj_SOCK_STREAM()) {
537
pj_sock_setsockopt(*sock, pj_SOL_SOCKET(), pj_SO_NOSIGPIPE(),
540
#if defined(PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT) && \
541
PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT!=0
542
if (type == pj_SOCK_DGRAM()) {
543
pj_sock_setsockopt(*sock, pj_SOL_SOCKET(), SO_NOSIGPIPE,
555
PJ_DEF(pj_status_t) pj_sock_bind( pj_sock_t sock,
556
const pj_sockaddr_t *addr,
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PJ_ASSERT_RETURN(addr && len >= (int)sizeof(struct sockaddr_in), PJ_EINVAL);
563
CHECK_ADDR_LEN(addr, len);
565
if (bind(sock, (struct sockaddr*)addr, len) != 0)
566
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
575
PJ_DEF(pj_status_t) pj_sock_bind_in( pj_sock_t sock,
583
PJ_SOCKADDR_SET_LEN(&addr, sizeof(pj_sockaddr_in));
584
addr.sin_family = PJ_AF_INET;
585
pj_bzero(addr.sin_zero, sizeof(addr.sin_zero));
586
addr.sin_addr.s_addr = pj_htonl(addr32);
587
addr.sin_port = pj_htons(port);
589
return pj_sock_bind(sock, &addr, sizeof(pj_sockaddr_in));
596
PJ_DEF(pj_status_t) pj_sock_close(pj_sock_t sock)
601
#if defined(PJ_WIN32) && PJ_WIN32!=0 || \
602
defined(PJ_WIN32_WINCE) && PJ_WIN32_WINCE!=0
603
rc = closesocket(sock);
609
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
617
PJ_DEF(pj_status_t) pj_sock_getpeername( pj_sock_t sock,
622
if (getpeername(sock, (struct sockaddr*)addr, (socklen_t*)namelen) != 0)
623
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
625
PJ_SOCKADDR_RESET_LEN(addr);
633
PJ_DEF(pj_status_t) pj_sock_getsockname( pj_sock_t sock,
638
if (getsockname(sock, (struct sockaddr*)addr, (socklen_t*)namelen) != 0)
639
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
641
PJ_SOCKADDR_RESET_LEN(addr);
649
PJ_DEF(pj_status_t) pj_sock_send(pj_sock_t sock,
655
PJ_ASSERT_RETURN(len, PJ_EINVAL);
657
*len = send(sock, (const char*)buf, *len, flags);
660
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
669
PJ_DEF(pj_status_t) pj_sock_sendto(pj_sock_t sock,
673
const pj_sockaddr_t *to,
677
PJ_ASSERT_RETURN(len, PJ_EINVAL);
679
CHECK_ADDR_LEN(to, tolen);
681
*len = sendto(sock, (const char*)buf, *len, flags,
682
(const struct sockaddr*)to, tolen);
685
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
693
PJ_DEF(pj_status_t) pj_sock_recv(pj_sock_t sock,
699
PJ_ASSERT_RETURN(buf && len, PJ_EINVAL);
701
*len = recv(sock, (char*)buf, *len, flags);
704
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
712
PJ_DEF(pj_status_t) pj_sock_recvfrom(pj_sock_t sock,
720
PJ_ASSERT_RETURN(buf && len, PJ_EINVAL);
721
PJ_ASSERT_RETURN(from && fromlen, (*len=-1, PJ_EINVAL));
723
*len = recvfrom(sock, (char*)buf, *len, flags,
724
(struct sockaddr*)from, (socklen_t*)fromlen);
727
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
729
PJ_SOCKADDR_RESET_LEN(from);
737
PJ_DEF(pj_status_t) pj_sock_getsockopt( pj_sock_t sock,
744
PJ_ASSERT_RETURN(optval && optlen, PJ_EINVAL);
746
if (getsockopt(sock, level, optname, (char*)optval, (socklen_t*)optlen)!=0)
747
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
755
PJ_DEF(pj_status_t) pj_sock_setsockopt( pj_sock_t sock,
762
if (setsockopt(sock, level, optname, (const char*)optval, optlen) != 0)
763
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
771
PJ_DEF(pj_status_t) pj_sock_connect( pj_sock_t sock,
772
const pj_sockaddr_t *addr,
776
if (connect(sock, (struct sockaddr*)addr, namelen) != 0)
777
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
787
PJ_DEF(pj_status_t) pj_sock_shutdown( pj_sock_t sock,
791
if (shutdown(sock, how) != 0)
792
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
798
* Start listening to incoming connections.
800
PJ_DEF(pj_status_t) pj_sock_listen( pj_sock_t sock,
804
if (listen(sock, backlog) != 0)
805
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
811
* Accept incoming connections
813
PJ_DEF(pj_status_t) pj_sock_accept( pj_sock_t serverfd,
819
PJ_ASSERT_RETURN(newsock != NULL, PJ_EINVAL);
821
#if defined(PJ_SOCKADDR_HAS_LEN) && PJ_SOCKADDR_HAS_LEN!=0
823
PJ_SOCKADDR_SET_LEN(addr, *addrlen);
827
*newsock = accept(serverfd, (struct sockaddr*)addr, (socklen_t*)addrlen);
828
if (*newsock==PJ_INVALID_SOCKET)
829
return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
832
#if defined(PJ_SOCKADDR_HAS_LEN) && PJ_SOCKADDR_HAS_LEN!=0
834
PJ_SOCKADDR_RESET_LEN(addr);
841
#endif /* PJ_HAS_TCP */