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-rw-r--r--sysdeps/aix/open.c82
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diff --git a/sysdeps/aix/open.c b/sysdeps/aix/open.c
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+/* $Id$ */
+
+/* Copyright (C) 1998-99 Martin Baulig
+ This file is part of LibGTop 1.0.
+
+ Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+ LibGTop is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ LibGTop 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 General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LibGTop; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/open.h>
+
+#include "glibtop_suid.h"
+
+/* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+void
+glibtop_init_p (glibtop *server, const unsigned long features,
+ const unsigned flags)
+{
+ glibtop_init_func_t *init_fkt;
+
+ if (server == NULL)
+ glibtop_error_r (NULL, "glibtop_init_p (server == NULL)");
+
+ if ((server->flags & _GLIBTOP_INIT_STATE_SYSDEPS) == 0) {
+ glibtop_open_p (server, "glibtop", features, flags);
+
+ for (init_fkt = _glibtop_init_hook_p; *init_fkt; init_fkt++)
+ (*init_fkt) (server);
+ server->flags |= _GLIBTOP_INIT_STATE_SYSDEPS;
+ }
+}
+
+/* Opens pipe to gtop server. Returns 0 on success and -1 on error. */
+
+void
+glibtop_open_p (glibtop *server, const char *program_name,
+ const unsigned long features, const unsigned flags)
+{
+ /* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
+
+ server->machine.uid = getuid ();
+ server->machine.euid = geteuid ();
+ server->machine.gid = getgid ();
+ server->machine.egid = getegid ();
+
+ /* open kmem */
+
+ server->machine.kmem_fd = open("/dev/kmem", O_RDONLY);
+ if (server->machine.kmem_fd == -1)
+ glibtop_error_io_r (server, "Cannot open /dev/kmem");
+
+ /* Drop priviledges. */
+
+ if (seteuid (server->machine.uid))
+ _exit (1);
+
+ if (setegid (server->machine.gid))
+ _exit (1);
+
+ /* !!! END OF SUID ROOT PART !!! */
+
+ server->name = program_name;
+}