78cb7832c5
* configure.in: * include/glibtop/Makefile.am: * include/glibtop/glibtop-server.h: * include/glibtop/init_hooks.h: * include/glibtop/sysdeps.h: * lib/init.c: (glibtop_init_s): * lib/sysdeps.c: * sysdeps/aix/open.c: (glibtop_init_p): * sysdeps/common/sysdeps_suid.c: * sysdeps/freebsd/open.c: (glibtop_init_p): * sysdeps/osf1/open_suid.c: (glibtop_init_p): * sysdeps/solaris/open_suid.c: (glibtop_init_p): * sysdeps/stub_suid/open.c: (glibtop_init_p): Moved _glibtop_init_hook_[sp] declaration to private glibtop/init_hooks.h. Marked them const. Fixed GLIBTOP_SUID_NETLIST issues.
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/open.h>
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#include <glibtop/init_hooks.h>
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/* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
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void
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glibtop_init_p (glibtop *server, const unsigned long features,
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const unsigned flags)
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{
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const glibtop_init_func_t *init_fkt;
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if (server == NULL)
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glibtop_error_r (NULL, "glibtop_init_p (server == NULL)");
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/* Do the initialization, but only if not already initialized. */
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if ((server->flags & _GLIBTOP_INIT_STATE_INIT) == 0) {
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glibtop_open_p (server, "glibtop", features, flags);
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for (init_fkt = _glibtop_init_hook_p; *init_fkt; init_fkt++)
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(*init_fkt) (server);
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server->flags |= _GLIBTOP_INIT_STATE_INIT;
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}
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}
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void
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glibtop_open_p (glibtop *server, const char *program_name,
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const unsigned long features, const unsigned flags)
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{
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/* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
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server->name = program_name;
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server->machine.uid = getuid ();
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server->machine.euid = geteuid ();
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server->machine.gid = getgid ();
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server->machine.egid = getegid ();
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/* Drop priviledges. */
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if (setreuid (server->machine.euid, server->machine.uid))
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_exit (1);
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if (setregid (server->machine.egid, server->machine.gid))
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_exit (1);
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/* !!! END OF SUID ROOT PART !!! */
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/* Our effective uid is now those of the user invoking the server,
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* so we do no longer have any priviledges. */
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}
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