1 files changed, 138 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/krb5/time.c b/third_party/heimdal/lib/krb5/time.c
new file mode 100644
index 0000000..d0d4af1
--- /dev/null
+++ b/third_party/heimdal/lib/krb5/time.c
@@ -0,0 +1,138 @@
+/*
+ * 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"
+
+/**
+ * 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.
+ *
+ * @param context Keberos 5 context.
+ * @param sec The applications new of "now" in seconds
+ * @param usec The applications new of "now" in micro seconds
+
+ * @return Kerberos 5 error code, see krb5_get_error_message().
+ *
+ * @ingroup krb5
+ */
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+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;
+
+    /**
+     * If the caller passes in a negative usec, its assumed to be
+     * unknown and the function will use the current time usec.
+     */
+    if (usec >= 0) {
+	context->kdc_usec_offset = usec - tv.tv_usec;
+
+	if (context->kdc_usec_offset < 0) {
+	    context->kdc_sec_offset--;
+	    context->kdc_usec_offset += 1000000;
+	}
+    } else
+	context->kdc_usec_offset = tv.tv_usec;
+
+    return 0;
+}
+
+/*
+ * return ``corrected'' time in `timeret'.
+ */
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+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_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+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_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+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_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_deltat(const char *string, krb5_deltat *deltat)
+{
+    if((*deltat = parse_time(string, "s")) == -1)
+	return KRB5_DELTAT_BADFORMAT;
+    return 0;
+}
+
+krb5_deltat
+krb5_time_abs(krb5_deltat t1, krb5_deltat t2)
+{
+    krb5_deltat t = t1 - t2;
+    if (t < 0)
+	return -t;
+    return t;
+}