From 7d8be1c1ffc31523e2de09d4829169b78dd391e4 Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@openbsd.org>
Date: Fri, 17 May 2019 11:55:16 +0000
Subject: [PATCH] pid_get_parent: fix potential leak of kp

From 0334ea1c889331adb02d361670e24b3f85b5b0d6 Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@gnome.org>
Date: Mon, 13 May 2019 20:47:46 +0200
Subject: [PATCH] pid_get_parent: fix for OpenBSD

From ad9da2727d3e3243fd052c9feb0c55645e87d384 Mon Sep 17 00:00:00 2001
From: Jonathan Matthew <jmatthew@openbsd.org>
Date: Fri, 8 Jul 2011 10:24:32 +1000
Subject: GMountOperation::show-processes support for OpenBSD using kvm(3)

From 3d165c1a902fc0a5f32898e406a79e53ed4bcc97 Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@openbsd.org>
Date: Tue, 20 Sep 2011 11:57:49 +0200
Subject: gtkmountoperation-x11: unbreak compilation on OpenBSD.

From d987a01d80126ee351727d1603a599c4edb66eca Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@openbsd.org>
Date: Sat, 15 Oct 2011 11:27:47 +0200
Subject: GMountOperation on OpenBSD: remove the need for kvm(3)

From 974212ec825d8d50bdea8ab955b6f19b8ed1672f Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@gnome.org>
Date: Mon, 9 Jul 2012 18:20:34 +0200
Subject: OpenBSD: use G_N_ELEMENTS instead of nitems

From 8935d2f123878c31af69b6c6034069ad540b13c7 Mon Sep 17 00:00:00 2001
From: Antoine Jacoutot <ajacoutot@gnome.org>
Date: Fri, 25 Apr 2014 14:37:59 +0200
Subject: openbsd: properly set len for gtkmountoperation-x11

Index: gtk/gtkmountoperation-x11.c
--- gtk/gtkmountoperation-x11.c.orig
+++ gtk/gtkmountoperation-x11.c
@@ -43,9 +43,6 @@
 #include <errno.h>
 
 #if defined(__OpenBSD__)
-#include <sys/param.h>
-#include <kvm.h>
-#include <fcntl.h>
 #include <sys/sysctl.h>
 #endif
 
@@ -724,6 +721,110 @@ pid_get_command_line (GPid pid)
 }
 
 /* ---------------------------------------------------------------------------------------------------- */
+
+#elif defined(__OpenBSD__)
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static GPid
+pid_get_parent (GPid pid)
+{
+  struct kinfo_proc *kp = NULL;
+  size_t len;
+  GPid ppid = 0;
+
+  /* fail if trying to get the parent of the init process (no such thing) */
+  if (pid == 1)
+      goto out;
+
+  int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pid,
+                sizeof(struct kinfo_proc), 0 };
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), NULL, &len, NULL, 0) == -1)
+      goto out;
+
+  mib[5] = (len / sizeof(struct kinfo_proc));
+
+  kp = g_malloc0 (len);
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), kp, &len, NULL, 0) < 0)
+      goto out;
+
+  ppid = kp->p_ppid;
+
+out:
+  if (kp)
+      g_free (kp);
+  return ppid;
+}
+
+static gchar *
+pid_get_env (GPid pid, const gchar *key)
+{
+  size_t len;
+  char **strs;
+  char *ret = NULL;
+  char *end;
+  int key_len;
+  int i;
+
+  int mib[] = { CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_ENV };
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), NULL, &len, NULL, 0) == -1)
+    return ret;
+
+  strs = g_malloc0 (len);
+
+  key_len = strlen (key);
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), strs, &len, NULL, 0) != -1)
+    {
+      for (i = 0; strs[i] != NULL; i++)
+	{
+	  if (g_str_has_prefix (strs[i], key) && (*(strs[i] + key_len) == '='))
+	    {
+	      ret = g_strdup (strs[i] + key_len + 1);
+
+	      /* skip invalid UTF-8 */
+	      if (!g_utf8_validate (ret, -1, (const gchar **) &end))
+		*end = '\0';
+	      break;
+	    }
+	}
+    }
+
+  g_free (strs);
+  return ret;
+}
+
+static gchar *
+pid_get_command_line (GPid pid)
+{
+  size_t len;
+  char **strs;
+  char *ret, *end;
+
+  int mib[] = { CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_ARGV };
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), NULL, &len, NULL, 0) == -1)
+    return NULL;
+
+  strs = g_malloc0 (len);
+
+  if (sysctl (mib, G_N_ELEMENTS (mib), strs, &len, NULL, 0) == -1) {
+    g_free (strs);
+    return NULL;
+  }
+
+  ret = g_strjoinv (" ", strs);
+  /* skip invalid UTF-8 */
+  if (!g_utf8_validate (ret, -1, (const gchar **) &end))
+    *end = '\0';
+
+  g_free (strs);
+  return ret;
+}
+
 #else
 
 /* TODO: please implement for your OS - must return valid UTF-8 */