1 files changed, 134 insertions, 0 deletions
diff --git a/src/tcsd/platform.c b/src/tcsd/platform.c
new file mode 100644
index 0000000..c7a1c80
--- /dev/null
+++ b/src/tcsd/platform.c
@@ -0,0 +1,134 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004, 2005
+ *
+ */
+
+
+#if (defined (__FreeBSD__) || defined (__OpenBSD__))
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <err.h>
+#elif (defined (__linux) || defined (linux) || defined(__GLIBC__))
+#include <utmp.h>
+#elif (defined (SOLARIS))
+#include <utmpx.h>
+#endif
+
+#include <sys/time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "trousers/tss.h"
+#include "trousers_types.h"
+#include "tcs_tsp.h"
+#include "tcs_int_literals.h"
+#include "capabilities.h"
+#include "tcsps.h"
+#include "tcslog.h"
+
+
+#if (defined (__linux) || defined (linux) || defined(__GLIBC__))
+MUTEX_DECLARE_INIT(utmp_lock);
+
+char
+platform_get_runlevel()
+{
+	char runlevel;
+	struct utmp ut, save, *next = NULL;
+	struct timeval tv;
+	int flag = 0, counter = 0;
+
+	MUTEX_LOCK(utmp_lock);
+
+	memset(&ut, 0, sizeof(struct utmp));
+	memset(&save, 0, sizeof(struct utmp));
+	memset(&tv, 0, sizeof(struct timeval));
+
+	ut.ut_type = RUN_LVL;
+
+	next = getutid(&ut);
+
+	while (next != NULL) {
+		if (next->ut_tv.tv_sec > tv.tv_sec) {
+			memcpy(&save, next, sizeof(*next));
+			flag = 1;
+		} else if (next->ut_tv.tv_sec == tv.tv_sec) {
+			if (next->ut_tv.tv_usec > tv.tv_usec) {
+				memcpy(&save, next, sizeof(*next));
+				flag = 1;
+			}
+		}
+
+		counter++;
+		next = getutid(&ut);
+	}
+
+	if (flag) {
+		//printf("prev_runlevel=%c, runlevel=%c\n", save.ut_pid / 256, save.ut_pid % 256);
+		runlevel = save.ut_pid % 256;
+	} else {
+		//printf("unknown\n");
+		runlevel = 'u';
+	}
+
+	MUTEX_UNLOCK(utmp_lock);
+
+	return runlevel;
+}
+#elif (defined (__FreeBSD__) || defined (__OpenBSD__))
+
+char
+platform_get_runlevel()
+{
+	int mib[2], rlevel = -1;
+	size_t len;
+
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_SECURELVL;
+	
+	len = sizeof(rlevel);
+	if (sysctl(mib,2,&rlevel,&len, NULL,0) == -1) {
+		err(1,"Could not get runlevel");
+		return 'u';
+	}
+#if defined (__OpenBSD__)
+	if (rlevel == 0)
+#else
+	if (rlevel == -1)
+#endif
+		return 's';	
+
+	return rlevel + '0';
+}
+#elif (defined (SOLARIS))
+
+MUTEX_DECLARE_INIT(utmp_lock);
+char
+platform_get_runlevel()
+{
+	char runlevel;
+	struct utmpx ut, *utp = NULL;
+
+	MUTEX_LOCK(utmp_lock);
+
+	memset(&ut, 0, sizeof(ut));
+	ut.ut_type = RUN_LVL;
+
+	setutxent();
+	utp = getutxid(&ut);
+	if (utp->ut_type == RUN_LVL &&
+	    sscanf(utp->ut_line, "run-level %c", &runlevel) != 1)
+			runlevel = 'u';
+	endutxent();
+
+	MUTEX_UNLOCK(utmp_lock);
+
+	return runlevel;
+}
+#endif