r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

1 files changed, 114 insertions, 0 deletions

diff --git a/source4/heimdal/lib/krb5/time.c b/source4/heimdal/lib/krb5/time.c
new file mode 100644
index 0000000000..4a120ab771
--- /dev/null
+++ b/source4/heimdal/lib/krb5/time.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "krb5_locl.h"
+
+RCSID("$Id: time.c,v 1.13 2004/10/13 17:57:11 lha Exp $");
+
+/*
+ * Set the absolute time that the caller knows the kdc has so the
+ * kerberos library can calculate the relative diffrence beteen the
+ * KDC time and local system time.
+ */
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_set_real_time (krb5_context context,
+		    krb5_timestamp sec,
+		    int32_t usec)
+{
+    struct timeval tv;
+    
+    gettimeofday(&tv, NULL);
+
+    context->kdc_sec_offset = sec - tv.tv_sec;
+    context->kdc_usec_offset = usec - tv.tv_usec;
+
+    if (context->kdc_usec_offset < 0) {
+	context->kdc_sec_offset--;
+	context->kdc_usec_offset += 1000000;
+    }
+    return 0;
+}
+
+/*
+ * return ``corrected'' time in `timeret'.
+ */
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_timeofday (krb5_context context,
+		krb5_timestamp *timeret)
+{
+    *timeret = time(NULL) + context->kdc_sec_offset;
+    return 0;
+}
+
+/*
+ * like gettimeofday but with time correction to the KDC
+ */
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_us_timeofday (krb5_context context,
+		   krb5_timestamp *sec,
+		   int32_t *usec)
+{
+    struct timeval tv;
+
+    gettimeofday (&tv, NULL);
+
+    *sec  = tv.tv_sec + context->kdc_sec_offset;
+    *usec = tv.tv_usec;		/* XXX */
+    return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_format_time(krb5_context context, time_t t, 
+		 char *s, size_t len, krb5_boolean include_time)
+{
+    struct tm *tm;
+    if(context->log_utc)
+	tm = gmtime (&t);
+    else
+	tm = localtime(&t);
+    if(tm == NULL ||
+       strftime(s, len, include_time ? context->time_fmt : context->date_fmt, tm) == 0)
+	snprintf(s, len, "%ld", (long)t);
+    return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_string_to_deltat(const char *string, krb5_deltat *deltat)
+{
+    if((*deltat = parse_time(string, "s")) == -1)
+	return KRB5_DELTAT_BADFORMAT;
+    return 0;
+}