summaryrefslogtreecommitdiffstats
path: root/devel/libgtop/files/patch-sysdeps_freebsd_open.c
diff options
context:
space:
mode:
Diffstat (limited to 'devel/libgtop/files/patch-sysdeps_freebsd_open.c')
-rw-r--r--devel/libgtop/files/patch-sysdeps_freebsd_open.c82
1 files changed, 69 insertions, 13 deletions
diff --git a/devel/libgtop/files/patch-sysdeps_freebsd_open.c b/devel/libgtop/files/patch-sysdeps_freebsd_open.c
index e1caeac7f..f7bf0e3b1 100644
--- a/devel/libgtop/files/patch-sysdeps_freebsd_open.c
+++ b/devel/libgtop/files/patch-sysdeps_freebsd_open.c
@@ -1,35 +1,91 @@
--- sysdeps/freebsd/open.c.orig 2008-05-23 18:13:23.000000000 -0400
-+++ sysdeps/freebsd/open.c 2008-09-29 14:45:16.000000000 -0400
-@@ -20,11 +20,14 @@
++++ sysdeps/freebsd/open.c 2008-09-29 17:23:22.000000000 -0400
+@@ -20,76 +20,33 @@
*/
#include <config.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
#include <glibtop.h>
- #include <glibtop/error.h>
+-#include <glibtop/error.h>
#include <glibtop/open.h>
- #include <glibtop/init_hooks.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);
++#include <glibtop/cpu.h>
++#include <glibtop/error.h>
-+
- /* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+- for (init_fkt = _glibtop_init_hook_p; *init_fkt; init_fkt++)
+- (*init_fkt) (server);
++#include <glibtop_private.h>
+
+- server->flags |= _GLIBTOP_INIT_STATE_SYSDEPS;
+- }
+-}
void
-@@ -53,11 +56,17 @@ glibtop_open_p (glibtop *server, const c
+-glibtop_open_p (glibtop *server, const char *program_name,
++glibtop_open_s (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
+ int ncpus;
+ size_t len;
- #ifdef DEBUG
- fprintf (stderr, "DEBUG (%d): glibtop_open_p ()\n", getpid ());
- #endif
- /* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
+- /* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
+ len = sizeof (ncpus);
+ sysctlbyname ("hw.ncpu", &ncpus, &len, NULL, 0);
+ server->real_ncpu = ncpus - 1;
+ server->ncpu = MIN(GLIBTOP_NCPU - 1, server->real_ncpu);
- server->machine.uid = getuid ();
- server->machine.euid = geteuid ();
+- server->machine.uid = getuid ();
+- server->machine.euid = geteuid ();
+- server->machine.gid = getgid ();
+- server->machine.egid = getegid ();
+ #if defined(__FreeBSD_kernel__)
+ server->os_version_code = __FreeBSD_kernel_version;
+ #else
+ server->os_version_code = __FreeBSD_version;
+ #endif
+- /* 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. */
+ }