From 747bf98ea9d04ea68e61510f955276da5704d7fc Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 14 Oct 2002 01:03:16 +0000 Subject: * elf/rtld-Rules ($(objpfx)rtld-libc.a): Use $(verbose) in ar command. * sysdeps/mach/hurd/getresuid.c: New file. * sysdeps/mach/hurd/getresgid.c: New file. * sysdeps/mach/hurd/setresuid.c: New file. * sysdeps/mach/hurd/setresgid.c: New file. * posix/unistd.h [__USE_GNU] (getresuid, getresgid, setresuid, setresgid): Declare them. * NEWS: Mention it. * include/unistd.h (__getresuid, __getresgid, __setresuid, __setresgid): Declare them, add libc_hidden_proto. * posix/Versions (libc: GLIBC_2.3.2): New set. Add getresuid, getresgid, setresuid, setresgid here. * Versions.def (libc): Define GLIBC_2.3.2 set. * sysdeps/generic/getresuid.c (__getresuid): Fix argument types. Add libc_hidden_def. * sysdeps/generic/getresgid.c (__getresgid): Likewise. * sysdeps/generic/setresgid.c: New file. * sysdeps/generic/setresuid.c: New file. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_routines): Don't add getresuid and getresgid here. * sysdeps/unix/sysv/linux/arm/Makefile [$(subdir) = misc] (sysdep_routines): Don't add setresuid and setresgid here. * sysdeps/unix/sysv/linux/cris/Makefile: Likewise. * sysdeps/unix/sysv/linux/sh/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile: Likewise. * sysdeps/unix/sysv/linux/m68k/Makefile: Likewise. * posix/Makefile (routines): Add them all here instead. * sysdeps/unix/sysv/linux/i386/getresuid.c (getresuid): Renamed to __getresuid. Add libc_hidden_def for that, and weak alias to old name. * sysdeps/unix/sysv/linux/i386/getresgid.c (getresgid): Renamed to __getresgid. Add libc_hidden_def for that, and weak alias to old name. * sysdeps/unix/sysv/linux/i386/setresuid.c: Add libc_hidden_def. [! __NR_setresuid]: Include generic file. * sysdeps/unix/sysv/linux/i386/setresgid.c (setresgid): Renamed to __setresgid. Add libc_hidden_def for that, and weak alias to old name. [! __NR_setresuid]: Include generic file. * sysdeps/unix/sysv/linux/syscalls.list (setresuid, setresgid): Caller is - now, not EXTRA. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (setresuid, setresgid, getresuid, getresgid): Likewise. * sysdeps/unix/sysv/linux/syscalls.list (getresuid, getresgid): Add these calls here. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove them here. * sysdeps/unix/sysv/linux/hppa/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_routines): Add setfsuid and setfsgid here. * sysdeps/unix/sysv/linux/arm/Makefile: Not here. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Likewise. * sysdeps/unix/sysv/linux/cris/Makefile: Likewise. * sysdeps/unix/sysv/linux/sh/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile: Likewise. * sysdeps/unix/sysv/linux/m68k/Makefile: Likewise. * hurd/errno.c: Renamed to ... * hurd/errno-loc.c: ... this. * hurd/Makefile (routines): errno -> errno-loc --- sysdeps/mach/hurd/setresgid.c | 77 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 sysdeps/mach/hurd/setresgid.c (limited to 'sysdeps/mach/hurd/setresgid.c') diff --git a/sysdeps/mach/hurd/setresgid.c b/sysdeps/mach/hurd/setresgid.c new file mode 100644 index 0000000000..d0ee412b46 --- /dev/null +++ b/sysdeps/mach/hurd/setresgid.c @@ -0,0 +1,77 @@ +/* setresgid -- set effective group ID, real group ID, and saved-set group ID + Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include + +/* Set the effective group ID, real group ID, and saved-set group ID, + of the calling process to EGID, RGID, and SGID, respectively. */ +int +__setresgid (gid_t egid, gid_t rgid, gid_t sgid) +{ + auth_t newauth; + error_t err; + gid_t agids[2] = { rgid, sgid }; + + HURD_CRITICAL_BEGIN; + __mutex_lock (&_hurd_id.lock); + err = _hurd_check_ids (); + + if (!err) + { + /* Make a new auth handle which has EGID as the first element in the + list of effective gids. */ + + if (_hurd_id.gen.ngids > 0) + { + _hurd_id.gen.gids[0] = egid; + _hurd_id.valid = 0; + } + if (_hurd_id.aux.ngids > 1) + { + _hurd_id.aux.gids[0] = rgid; + _hurd_id.aux.gids[1] = sgid; + _hurd_id.valid = 0; + } + + err = __USEPORT (AUTH, __auth_makeauth + (port, NULL, MACH_MSG_TYPE_COPY_SEND, 0, + _hurd_id.gen.uids, _hurd_id.gen.nuids, + _hurd_id.aux.uids, _hurd_id.aux.nuids, + _hurd_id.gen.ngids ? _hurd_id.gen.gids : &egid, + _hurd_id.gen.ngids ?: 1, + _hurd_id.aux.ngids > 1 ? _hurd_id.aux.gids : agids, + _hurd_id.aux.ngids > 1 ? _hurd_id.aux.ngids : 2, + &newauth)); + } + + __mutex_unlock (&_hurd_id.lock); + HURD_CRITICAL_END; + + if (err) + return __hurd_fail (err); + + /* Install the new handle and reauthenticate everything. */ + err = __setauth (newauth); + __mach_port_deallocate (__mach_task_self (), newauth); + return err; +} +libc_hidden_def (__setresgid) -- cgit 1.4.1