Differences From Artifact [61fa5cfa02]:
- File
src/OFUDPSocket.m
— part of check-in
[25adea9a23]
at
2022-08-06 21:14:31
on branch trunk
— Don't use struct sockaddr in OFSocketAddress
struct sockaddr can contain a variable length array, which breaks the
union. (user: js, size: 5043) [annotate] [blame] [check-ins using] [more...]
To Artifact [c3dd64f929]:
- File src/OFUDPSocket.m — part of check-in [65154c2576] at 2023-05-21 10:04:22 on branch trunk — OFUDPSocket: Return socket address bound to (user: js, size: 4801) [annotate] [blame] [check-ins using] [more...]
1 | /* | | | 1 2 3 4 5 6 7 8 9 | /* * Copyright (c) 2008-2023 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * |
︙ | ︙ | |||
30 31 32 33 34 35 36 | #import "OFUDPSocket+Private.h" #import "OFDNSResolver.h" #import "OFData.h" #import "OFSocket.h" #import "OFSocket+Private.h" #import "OFThread.h" | | | | | < < > > > > | | | | | | | | < | | | < < | | | | | > | > | | | < < < < < < < < < | | | | | | 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | #import "OFUDPSocket+Private.h" #import "OFDNSResolver.h" #import "OFData.h" #import "OFSocket.h" #import "OFSocket+Private.h" #import "OFThread.h" #import "OFAlreadyOpenException.h" #import "OFBindIPSocketFailedException.h" @implementation OFUDPSocket @dynamic delegate; - (void)of_bindToAddress: (OFSocketAddress *)address extraType: (int)extraType OF_DIRECT { #if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC) int flags; #endif #if !defined(OF_HPUX) && !defined(OF_WII) && !defined(OF_NINTENDO_3DS) OFString *host; uint16_t port; #endif if ((_socket = socket( ((struct sockaddr *)&address->sockaddr)->sa_family, SOCK_DGRAM | SOCK_CLOEXEC | extraType, 0)) == OFInvalidSocketHandle) @throw [OFBindIPSocketFailedException exceptionWithHost: OFSocketAddressString(address) port: OFSocketAddressIPPort(address) socket: self errNo: OFSocketErrNo()]; _canBlock = true; #if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC) /* {} needed to avoid warning with Clang 10 if next #if is false. */ if ((flags = fcntl(_socket, F_GETFD, 0)) != -1) { fcntl(_socket, F_SETFD, flags | FD_CLOEXEC); } #endif #if defined(OF_HPUX) || defined(OF_WII) || defined(OF_NINTENDO_3DS) if (OFSocketAddressIPPort(address) != 0) { #endif if (bind(_socket, (struct sockaddr *)&address->sockaddr, address->length) != 0) { int errNo = OFSocketErrNo(); closesocket(_socket); _socket = OFInvalidSocketHandle; @throw [OFBindIPSocketFailedException exceptionWithHost: OFSocketAddressString(address) port: OFSocketAddressIPPort(address) socket: self errNo: errNo]; } #if defined(OF_HPUX) || defined(OF_WII) || defined(OF_NINTENDO_3DS) } else { for (;;) { uint16_t rnd = 0; int ret; while (rnd < 1024) rnd = (uint16_t)rand(); OFSocketAddressSetIPPort(address, rnd); if ((ret = bind(_socket, (struct sockaddr *)&address->sockaddr, address->length)) == 0) break; if (OFSocketErrNo() != EADDRINUSE) { int errNo = OFSocketErrNo(); OFString *host = OFSocketAddressString(address); uint16_t port = OFSocketAddressIPPort(address); closesocket(_socket); _socket = OFInvalidSocketHandle; @throw [OFBindIPSocketFailedException exceptionWithHost: host port: port socket: self errNo: errNo]; } } } #endif #if !defined(OF_HPUX) && !defined(OF_WII) && !defined(OF_NINTENDO_3DS) host = OFSocketAddressString(address); port = OFSocketAddressIPPort(address); memset(address, 0, sizeof(*address)); address->length = (socklen_t)sizeof(address->sockaddr); if (OFGetSockName(_socket, (struct sockaddr *)&address->sockaddr, &address->length) != 0) { int errNo = OFSocketErrNo(); closesocket(_socket); _socket = OFInvalidSocketHandle; @throw [OFBindIPSocketFailedException exceptionWithHost: host port: port socket: self errNo: errNo]; } switch (((struct sockaddr *)&address->sockaddr)->sa_family) { case AF_INET: address->family = OFSocketAddressFamilyIPv4; break; # ifdef OF_HAVE_IPV6 case AF_INET6: address->family = OFSocketAddressFamilyIPv6; break; # endif default: closesocket(_socket); _socket = OFInvalidSocketHandle; @throw [OFBindIPSocketFailedException exceptionWithHost: host port: port socket: self errNo: EAFNOSUPPORT]; } #endif } - (OFSocketAddress)bindToHost: (OFString *)host port: (uint16_t)port { void *pool = objc_autoreleasePoolPush(); OFData *socketAddresses; OFSocketAddress address; if (_socket != OFInvalidSocketHandle) @throw [OFAlreadyOpenException exceptionWithObject: self]; socketAddresses = [[OFThread DNSResolver] resolveAddressesForHost: host addressFamily: OFSocketAddressFamilyAny]; address = *(OFSocketAddress *)[socketAddresses itemAtIndex: 0]; OFSocketAddressSetIPPort(&address, port); [self of_bindToAddress: &address extraType: 0]; objc_autoreleasePoolPop(pool); return address; } @end |