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authorHeimdal Import User <samba-bugs@samba.org>2005-07-11 01:16:55 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:19:33 -0500
commit954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 (patch)
treefc11a048c8a582e2ca66415ff04dacf74f9abf22 /source4/heimdal/lib/krb5/time.c
parent7ead5ab06cea9f33e954a4579163262f97ea06ff (diff)
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r8302: import mini HEIMDAL into the tree
(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)
Diffstat (limited to 'source4/heimdal/lib/krb5/time.c')
-rw-r--r--source4/heimdal/lib/krb5/time.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/time.c b/source4/heimdal/lib/krb5/time.c
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+++ 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;
+}