/* Copyright (C) 2015-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #include #include static int setsockopt_syscall (int fd, int level, int optname, const void *optval, socklen_t len) { #ifdef __ASSUME_SETSOCKOPT_SYSCALL return INLINE_SYSCALL_CALL (setsockopt, fd, level, optname, optval, len); #else return SOCKETCALL (setsockopt, fd, level, optname, optval, len); #endif } #ifndef __ASSUME_TIME64_SYSCALLS static int setsockopt32 (int fd, int level, int optname, const void *optval, socklen_t len) { int r = -1; if (level != SOL_SOCKET) return r; switch (optname) { case COMPAT_SO_RCVTIMEO_NEW: case COMPAT_SO_SNDTIMEO_NEW: { if (len < sizeof (struct __timeval64)) { __set_errno (EINVAL); break; } struct __timeval64 *tv64 = (struct __timeval64 *) optval; if (! in_time_t_range (tv64->tv_sec)) { __set_errno (EOVERFLOW); break; } if (optname == COMPAT_SO_RCVTIMEO_NEW) optname = COMPAT_SO_RCVTIMEO_OLD; if (optname == COMPAT_SO_SNDTIMEO_NEW) optname = COMPAT_SO_SNDTIMEO_OLD; struct __timeval32 tv32 = valid_timeval64_to_timeval32 (*tv64); r = setsockopt_syscall (fd, level, optname, &tv32, sizeof (tv32)); } } return r; } #endif int setsockopt (int fd, int level, int optname, const void *optval, socklen_t len) { int r = setsockopt_syscall (fd, level, optname, optval, len); #ifndef __ASSUME_TIME64_SYSCALLS if (r == -1 && errno == ENOPROTOOPT) r = setsockopt32 (fd, level, optname, optval, len); #endif return r; } weak_alias (setsockopt, __setsockopt)