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openbsd-ports/sysutils/consolekit/patches/patch-src_ck-sysdeps-openbsd_c
robert 7977c66927 import ConsoleKit-0.3.0: 
ConsoleKit is a framework for defining and tracking users, login
sessions, and seats.  The primary motivations for this framework are to
facilitate fast-user-switching and multi-seat capabilities, and to
enable more sophisticated policy decisions for desktop sessions.

this is not hooked up to the build just yet, just like policykit
2009-06-07 02:55:19 +00:00

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$OpenBSD: patch-src_ck-sysdeps-openbsd_c,v 1.1.1.1 2009/06/07 02:55:19 robert Exp $
--- src/ck-sysdeps-openbsd.c.orig Sun May 31 04:10:36 2009
+++ src/ck-sysdeps-openbsd.c Sun May 31 19:24:53 2009
@@ -0,0 +1,412 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2006 William Jon McCann <mccann@jhu.edu>
+ * Copyright (C) 2007 Joe Marcus Clarke <marcus@FreeBSD.org>
+ * Copyright (C) 2008 Jared D. McNeill <jmcneill@NetBSD.org>
+ * Copyright (C) 2009 Jared D. McNeill <robert@openbsd.org>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <paths.h>
+#include <ttyent.h>
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+#include <sys/ioctl.h>
+
+#include <dev/wscons/wsdisplay_usl_io.h>
+
+#define DEV_ENCODE(M,m) ( \
+ ( (M&0xfff) << 8) | ( (m&0xfff00) << 12) | (m&0xff) \
+)
+
+#include "ck-sysdeps.h"
+
+#ifndef ERROR
+#define ERROR -1
+#endif
+
+/* adapted from procps */
+struct _CkProcessStat
+{
+ int pid;
+ int ppid; /* stat,status pid of parent process */
+ char state; /* stat,status single-char code for process state (S=sleeping) */
+ char cmd[16]; /* stat,status basename of executable file in call to exec(2) */
+ unsigned long long utime; /* stat user-mode CPU time accumulated by process */
+ unsigned long long stime; /* stat kernel-mode CPU time accumulated by process */
+ unsigned long long cutime; /* stat cumulative utime of process and reaped children */
+ unsigned long long cstime; /* stat cumulative stime of process and reaped children */
+ unsigned long long start_time; /* stat start time of process -- seconds since 1-1-70 */
+ unsigned long start_code; /* stat address of beginning of code segment */
+ unsigned long end_code; /* stat address of end of code segment */
+ unsigned long start_stack; /* stat address of the bottom of stack for the process */
+ unsigned long kstk_esp; /* stat kernel stack pointer */
+ unsigned long kstk_eip; /* stat kernel instruction pointer */
+ unsigned long wchan; /* stat (special) address of kernel wait channel proc is sleeping in */
+ long priority; /* stat kernel scheduling priority */
+ long nice; /* stat standard unix nice level of process */
+ long rss; /* stat resident set size from /proc/#/stat (pages) */
+ long alarm; /* stat ? */
+ unsigned long rtprio; /* stat real-time priority */
+ unsigned long sched; /* stat scheduling class */
+ unsigned long vsize; /* stat number of pages of virtual memory ... */
+ unsigned long rss_rlim; /* stat resident set size limit? */
+ unsigned long flags; /* stat kernel flags for the process */
+ unsigned long min_flt; /* stat number of minor page faults since process start */
+ unsigned long maj_flt; /* stat number of major page faults since process start */
+ unsigned long cmin_flt; /* stat cumulative min_flt of process and child processes */
+ unsigned long cmaj_flt; /* stat cumulative maj_flt of process and child processes */
+ int pgrp; /* stat process group id */
+ int session; /* stat session id */
+ int nlwp; /* stat number of threads, or 0 if no clue */
+ int tty; /* stat full device number of controlling terminal */
+ int tpgid; /* stat terminal process group id */
+ int exit_signal; /* stat might not be SIGCHLD */
+ int processor; /* stat current (or most recent?) CPU */
+ unsigned long penv; /* stat address of initial environment vector */
+ char tty_text[16]; /* stat device name */
+
+};
+
+pid_t
+ck_process_stat_get_ppid (CkProcessStat *stat)
+{
+ g_return_val_if_fail (stat != NULL, -1);
+
+ return stat->ppid;
+}
+
+char *
+ck_process_stat_get_cmd (CkProcessStat *stat)
+{
+ g_return_val_if_fail (stat != NULL, NULL);
+
+ return g_strdup (stat->cmd);
+}
+
+char *
+ck_process_stat_get_tty (CkProcessStat *stat)
+{
+ g_return_val_if_fail (stat != NULL, NULL);
+
+ return g_strdup (stat->tty_text);
+}
+
+static gboolean
+get_kinfo_proc (pid_t pid,
+ struct kinfo_proc2 *p)
+{
+ int name[6];
+ u_int namelen;
+ size_t sz;
+
+ sz = sizeof(*p);
+ namelen = 0;
+ name[namelen++] = CTL_KERN;
+ name[namelen++] = KERN_PROC2;
+ name[namelen++] = KERN_PROC_PID;
+ name[namelen++] = pid;
+ name[namelen++] = sz;
+ name[namelen++] = 1;
+
+ if (sysctl (name, namelen, p, &sz, NULL, 0) == -1) {
+ perror("sysctl kern.proc2.pid");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* return 1 if it works, or 0 for failure */
+static gboolean
+stat2proc (pid_t pid,
+ CkProcessStat *P)
+{
+ struct kinfo_proc2 p;
+ char *ttname;
+ int num;
+ int tty_maj;
+ int tty_min;
+
+ if (! get_kinfo_proc (pid, &p)) {
+ return FALSE;
+ }
+
+ num = KI_MAXCOMLEN;
+ if (num >= sizeof P->cmd) {
+ num = sizeof P->cmd - 1;
+ }
+
+ memcpy (P->cmd, p.p_comm, num);
+
+ P->cmd[num] = '\0';
+ P->pid = p.p_pid;
+ P->ppid = p.p_ppid;
+ P->pgrp = p.p__pgid;
+ P->session = p.p_sid;
+ P->rss = p.p_vm_rssize;
+ P->vsize = p.p_vm_dsize + p.p_vm_dsize + p.p_vm_ssize; /* XXX */
+ P->start_time = p.p_ustart_sec;
+ P->wchan = (unsigned long) p.p_wchan;
+ P->state = p.p_stat;
+ P->nice = p.p_nice;
+ P->flags = p.p_realflag;
+ P->tpgid = p.p_tpgid;
+ P->processor = p.p_cpuid;
+
+ /* we like it Linux-encoded :-) */
+ tty_maj = major (p.p_tdev);
+ tty_min = minor (p.p_tdev);
+ P->tty = DEV_ENCODE (tty_maj,tty_min);
+
+ snprintf (P->tty_text, sizeof P->tty_text, "%3d,%-3d", tty_maj, tty_min);
+
+ if (p.p_tdev != NODEV && (ttname = devname (p.p_tdev, S_IFCHR)) != NULL) {
+ memcpy (P->tty_text, ttname, sizeof P->tty_text);
+ }
+
+ if (p.p_tdev == NODEV) {
+ /* XXXJDM nasty hack */
+ memcpy (P->tty_text, "/dev/ttyE4", sizeof P->tty_text);
+ }
+
+ if (P->pid != pid) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+ck_process_stat_new_for_unix_pid (pid_t pid,
+ CkProcessStat **stat,
+ GError **error)
+{
+ gboolean res;
+ CkProcessStat *proc;
+
+ g_debug ("ck_process_stat_new_for_unix_pid");
+
+ g_return_val_if_fail (pid > 1, FALSE);
+
+ if (stat == NULL) {
+ return FALSE;
+ }
+
+ proc = g_new0 (CkProcessStat, 1);
+ proc->pid = pid;
+ res = stat2proc (pid, proc);
+ if (res) {
+ *stat = proc;
+ } else {
+ *stat = NULL;
+ }
+
+ return res;
+}
+
+void
+ck_process_stat_free (CkProcessStat *stat)
+{
+ g_free (stat);
+}
+
+GHashTable *
+ck_unix_pid_get_env_hash (pid_t pid)
+{
+ GHashTable *hash;
+ char **penv;
+ kvm_t *kd;
+ struct kinfo_proc2 p;
+ int i;
+
+ kd = kvm_openfiles (_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL);
+ if (kd == NULL) {
+ return NULL;
+ }
+
+ if (! get_kinfo_proc (pid, &p)) {
+ return NULL;
+ }
+
+ penv = kvm_getenvv2 (kd, &p, 0);
+ if (penv == NULL) {
+ return NULL;
+ }
+
+ hash = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ g_free);
+
+ for (i = 0; penv[i] != NULL; i++) {
+ char **vals;
+
+ vals = g_strsplit (penv[i], "=", 2);
+ if (vals != NULL) {
+ g_hash_table_insert (hash,
+ g_strdup (vals[0]),
+ g_strdup (vals[1]));
+ g_strfreev (vals);
+ }
+ }
+
+ kvm_close (kd);
+
+ return hash;
+}
+
+char *
+ck_unix_pid_get_env (pid_t pid,
+ const char *var)
+{
+ GHashTable *hash;
+ char *val;
+
+ /*
+ * Would probably be more efficient to just loop through the
+ * environment and return the value, avoiding building the hash
+ * table, but this works for now.
+ */
+ hash = ck_unix_pid_get_env_hash (pid);
+ val = g_strdup (g_hash_table_lookup (hash, var));
+ g_hash_table_destroy (hash);
+
+ return val;
+}
+
+uid_t
+ck_unix_pid_get_uid (pid_t pid)
+{
+ uid_t uid;
+ gboolean res;
+ struct kinfo_proc2 p;
+
+ g_return_val_if_fail (pid > 1, 0);
+
+ uid = -1;
+
+ res = get_kinfo_proc (pid, &p);
+
+ if (res) {
+ uid = p.p_uid;
+ }
+
+ return uid;
+}
+
+gboolean
+ck_unix_pid_get_login_session_id (pid_t pid,
+ char **idp)
+{
+ g_return_val_if_fail (pid > 1, FALSE);
+
+ return FALSE;
+}
+
+gboolean
+ck_get_max_num_consoles (guint *num)
+{
+ /* XXXJDM how can we find out how many are configured? */
+ if (num != NULL) {
+ *num = 8;
+ }
+
+ return TRUE;
+}
+
+char *
+ck_get_console_device_for_num (guint num)
+{
+ char *device;
+
+ /* The device number is always one less than the VT number. */
+ num--;
+
+ device = g_strdup_printf ("/dev/ttyE%u", num);
+
+ return device;
+}
+
+gboolean
+ck_get_console_num_from_device (const char *device,
+ guint *num)
+{
+ guint n;
+ gboolean ret;
+
+ n = 0;
+ ret = FALSE;
+
+ if (device == NULL) {
+ return FALSE;
+ }
+
+ if (sscanf (device, "/dev/ttyE%u", &n) == 1) {
+ /* The VT number is always one more than the device number. */
+ n++;
+ ret = TRUE;
+ }
+
+ if (num != NULL) {
+ *num = n;
+ }
+
+ return ret;
+}
+
+gboolean
+ck_get_active_console_num (int console_fd,
+ guint *num)
+{
+ gboolean ret;
+ int res;
+ int active;
+
+ g_assert (console_fd != -1);
+
+ active = 0;
+ ret = FALSE;
+
+ res = ioctl (console_fd, VT_GETACTIVE, &active);
+ if (res == ERROR) {
+ perror ("ioctl VT_GETACTIVE");
+ goto out;
+ }
+
+ g_debug ("Active VT is: %d (ttyE%d)", active, active - 1);
+ ret = TRUE;
+
+ out:
+ if (num != NULL) {
+ *num = active;
+ }
+
+ return ret;
+}
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