diff options
Diffstat (limited to 'devel/libgtop/files/patch-sysdeps_freebsd_open.c')
| -rw-r--r-- | devel/libgtop/files/patch-sysdeps_freebsd_open.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/devel/libgtop/files/patch-sysdeps_freebsd_open.c b/devel/libgtop/files/patch-sysdeps_freebsd_open.c new file mode 100644 index 000000000..f7bf0e3b1 --- /dev/null +++ b/devel/libgtop/files/patch-sysdeps_freebsd_open.c @@ -0,0 +1,91 @@ +--- sysdeps/freebsd/open.c.orig 2008-05-23 18:13:23.000000000 -0400 ++++ 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/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); ++#include <glibtop/cpu.h> ++#include <glibtop/error.h> + +- 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 +-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; + +- /* !!! 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.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. */ + } |