diff options
Diffstat (limited to 'devel/libgtop/files/patch-sysdeps_freebsd_suid_open.c')
| -rw-r--r-- | devel/libgtop/files/patch-sysdeps_freebsd_suid_open.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/devel/libgtop/files/patch-sysdeps_freebsd_suid_open.c b/devel/libgtop/files/patch-sysdeps_freebsd_suid_open.c new file mode 100644 index 000000000..a188b364c --- /dev/null +++ b/devel/libgtop/files/patch-sysdeps_freebsd_suid_open.c @@ -0,0 +1,94 @@ +--- sysdeps/freebsd/suid_open.c.orig 2008-09-29 17:22:12.000000000 -0400 ++++ sysdeps/freebsd/suid_open.c 2008-09-29 17:23:35.000000000 -0400 +@@ -0,0 +1,91 @@ ++/* Copyright (C) 1998 Joshua Sled ++ This file is part of LibGTop 1.0. ++ ++ Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 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 <config.h> ++#include <glibtop.h> ++#include <glibtop/error.h> ++#include <glibtop/cpu.h> ++#include <glibtop/open.h> ++#include <glibtop/init_hooks.h> ++ ++ ++/* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */ ++ ++void ++glibtop_init_p (glibtop *server, const unsigned long features, ++ const unsigned flags) ++{ ++ const _glibtop_init_func_t *init_fkt; ++ ++ if (server == NULL) ++ glibtop_error_r (NULL, "glibtop_init_p (server == NULL)"); ++ ++ /* Do the initialization, but only if not already initialized. */ ++ ++ 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; ++ } ++} ++ ++void ++glibtop_open_p (glibtop *server, const char *program_name, ++ const unsigned long features, ++ const unsigned flags) ++{ ++#ifdef DEBUG ++ fprintf (stderr, "DEBUG (%d): glibtop_open_p ()\n", getpid ()); ++#endif ++ ++ /* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */ ++ server->machine.uid = getuid (); ++ server->machine.euid = geteuid (); ++ server->machine.gid = getgid (); ++ server->machine.egid = getegid (); ++ /* Setup machine-specific data */ ++ server->machine.kd = kvm_open (NULL, NULL, NULL, O_RDONLY, "kvm_open"); ++ ++ if (server->machine.kd == NULL) ++ glibtop_error_io_r (server, "kvm_open"); ++ ++ /* Drop priviledges. */ ++ ++ if (setreuid (server->machine.euid, server->machine.uid)) ++ _exit (1); ++ ++ if (setregid (server->machine.egid, server->machine.gid)) ++ _exit (1); ++ ++ /* !!! END OF SUID ROOT PART !!! */ ++ ++ /* Our effective uid is now those of the user invoking the server, ++ * so we do no longer have any priviledges. */ ++ ++ /* NOTE: On FreeBSD, we do not need to be suid root, we just need to ++ * be sgid kmem. ++ * ++ * The server will only use setegid() to get back it's priviledges, ++ * so it will fail if it is suid root and not sgid kmem. */ ++} |