diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/recvmsg.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/recvmsg.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/unix/sysv/linux/recvmsg.c b/sysdeps/unix/sysv/linux/recvmsg.c deleted file mode 100644 index 52a0abcf67..0000000000 --- a/sysdeps/unix/sysv/linux/recvmsg.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Copyright (C) 1998 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 Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <sys/socket.h> -#include <errno.h> -#include <string.h> - -#include <asm/posix_types.h> - -/* The kernel expects this structure in SCM_CREDS messages. - * Note: sizeof(struct __kernel_ucred) <= sizeof(struct cmsgcred) must hold. - */ -struct __kernel_ucred -{ - __kernel_pid_t pid; - __kernel_uid_t uid; - __kernel_gid_t gid; -}; - -extern int __syscall_recvmsg (int, struct msghdr *, int); - -int -__libc_recvmsg (int fd, struct msghdr *message, int flags) -{ - struct cmsghdr *cm; - int ret; - - ret = __syscall_recvmsg (fd, message, flags); - - if (ret == -1) - return ret; - - /* Postprocess the message control block for SCM_CREDS. */ - cm = CMSG_FIRSTHDR (message); - while (cm) - { - if (cm->cmsg_type == SCM_CREDS) - { - struct cmsgcred *c = (struct cmsgcred *) CMSG_DATA (cm); - struct __kernel_ucred u; - int i; - memcpy (&u, CMSG_DATA (cm), sizeof (struct __kernel_ucred)); - - c->cmcred_pid = u.pid; - c->cmcred_uid = u.uid; - c->cmcred_gid = u.gid; - - c->cmcred_euid = -1; - c->cmcred_ngroups = 0; - for (i = 0; i < CMGROUP_MAX; i++) - c->cmcred_groups[i] = -1; - } - cm = CMSG_NXTHDR (message, cm); - } - - return ret; -} - -weak_alias (__libc_recvmsg, recvmsg) |