summaryrefslogtreecommitdiff
path: root/sysdeps/mach
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/mach')
-rw-r--r--sysdeps/mach/hurd/getresgid.c62
-rw-r--r--sysdeps/mach/hurd/getresuid.c62
-rw-r--r--sysdeps/mach/hurd/setresgid.c77
-rw-r--r--sysdeps/mach/hurd/setresuid.c77
4 files changed, 278 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/getresgid.c b/sysdeps/mach/hurd/getresgid.c
new file mode 100644
index 0000000000..a96aa49369
--- /dev/null
+++ b/sysdeps/mach/hurd/getresgid.c
@@ -0,0 +1,62 @@
+/* getresgid -- fetch 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 <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/id.h>
+
+/* Fetch the effective group ID, real group ID, and saved-set group ID,
+ of the calling process. */
+int
+__getresgid (gid_t *egid, gid_t *rgid, gid_t *sgid)
+{
+ error_t err;
+ gid_t eff, real, saved;
+
+ HURD_CRITICAL_BEGIN;
+ __mutex_lock (&_hurd_id.lock);
+
+ err = _hurd_check_ids ();
+ if (!err)
+ {
+ if (_hurd_id.aux.ngids < 1)
+ /* We do not even have a real GID. */
+ err = EGRATUITOUS;
+ else
+ {
+ real = _hurd_id.aux.gids[0];
+ saved = _hurd_id.aux.ngids < 2 ? real :_hurd_id.aux.gids[1];
+ eff = _hurd_id.gen.ngids < 1 ? real : _hurd_id.gen.gids[0];
+ }
+ }
+
+ __mutex_unlock (&_hurd_id.lock);
+ HURD_CRITICAL_END;
+
+ if (err)
+ return __hurd_fail (err);
+
+ *egid = eff;
+ *rgid = real;
+ *sgid = saved;
+ return 0;
+}
+libc_hidden_def (__getresgid)
+weak_alias (__getresgid, getresgid)
diff --git a/sysdeps/mach/hurd/getresuid.c b/sysdeps/mach/hurd/getresuid.c
new file mode 100644
index 0000000000..f4bfaeaf56
--- /dev/null
+++ b/sysdeps/mach/hurd/getresuid.c
@@ -0,0 +1,62 @@
+/* getresuid -- fetch effective user ID, real user ID, and saved-set user 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 <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/id.h>
+
+/* Fetch the effective user ID, real user ID, and saved-set user ID,
+ of the calling process. */
+int
+__getresuid (uid_t *euid, uid_t *ruid, uid_t *suid)
+{
+ error_t err;
+ uid_t eff, real, saved;
+
+ HURD_CRITICAL_BEGIN;
+ __mutex_lock (&_hurd_id.lock);
+
+ err = _hurd_check_ids ();
+ if (!err)
+ {
+ if (_hurd_id.aux.nuids < 1)
+ /* We do not even have a real UID. */
+ err = EGRATUITOUS;
+ else
+ {
+ real = _hurd_id.aux.uids[0];
+ saved = _hurd_id.aux.nuids < 2 ? real :_hurd_id.aux.uids[1];
+ eff = _hurd_id.gen.nuids < 1 ? real : _hurd_id.gen.uids[0];
+ }
+ }
+
+ __mutex_unlock (&_hurd_id.lock);
+ HURD_CRITICAL_END;
+
+ if (err)
+ return __hurd_fail (err);
+
+ *euid = eff;
+ *ruid = real;
+ *suid = saved;
+ return 0;
+}
+libc_hidden_def (__getresuid)
+weak_alias (__getresuid, getresuid)
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 <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/id.h>
+
+/* 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)
diff --git a/sysdeps/mach/hurd/setresuid.c b/sysdeps/mach/hurd/setresuid.c
new file mode 100644
index 0000000000..2d05dbc850
--- /dev/null
+++ b/sysdeps/mach/hurd/setresuid.c
@@ -0,0 +1,77 @@
+/* setresuid -- set effective user ID, real user ID, and saved-set user 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 <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/id.h>
+
+/* Set the effective user ID, real user ID, and saved-set user ID,
+ of the calling process to EUID, RUID, and SUID, respectively. */
+int
+__setresuid (uid_t euid, uid_t ruid, uid_t suid)
+{
+ auth_t newauth;
+ error_t err;
+ uid_t auids[2] = { ruid, suid };
+
+ HURD_CRITICAL_BEGIN;
+ __mutex_lock (&_hurd_id.lock);
+ err = _hurd_check_ids ();
+
+ if (!err)
+ {
+ /* Make a new auth handle which has EUID as the first element in the
+ list of effective uids. */
+
+ if (_hurd_id.gen.nuids > 0)
+ {
+ _hurd_id.gen.uids[0] = euid;
+ _hurd_id.valid = 0;
+ }
+ if (_hurd_id.aux.nuids > 1)
+ {
+ _hurd_id.aux.uids[0] = ruid;
+ _hurd_id.aux.uids[1] = suid;
+ _hurd_id.valid = 0;
+ }
+
+ err = __USEPORT (AUTH, __auth_makeauth
+ (port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
+ _hurd_id.gen.nuids ? _hurd_id.gen.uids : &euid,
+ _hurd_id.gen.nuids ?: 1,
+ _hurd_id.aux.nuids > 1 ? _hurd_id.aux.uids : auids,
+ _hurd_id.aux.nuids > 1 ? _hurd_id.aux.nuids : 2,
+ _hurd_id.gen.gids, _hurd_id.gen.ngids,
+ _hurd_id.aux.gids, _hurd_id.aux.ngids,
+ &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 (__setresuid)
View Lorry Controller Status