diff options
Diffstat (limited to 'lib/krb5/time.c')
| -rw-r--r-- | lib/krb5/time.c | 95 |
1 files changed, 55 insertions, 40 deletions
diff --git a/lib/krb5/time.c b/lib/krb5/time.c index 4cd992d48f27..247549ba2372 100644 --- a/lib/krb5/time.c +++ b/lib/krb5/time.c @@ -1,62 +1,77 @@ /* - * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. + * 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: + * 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. + * 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. + * 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. + * 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. + * 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 14308 2004-10-13 17:57:11Z lha $"); - -/* +/** * 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_error_code KRB5_LIB_FUNCTION +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; - context->kdc_usec_offset = usec - tv.tv_usec; - if (context->kdc_usec_offset < 0) { - context->kdc_sec_offset--; - context->kdc_usec_offset += 1000000; - } + /** + * 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; } @@ -64,7 +79,7 @@ krb5_set_real_time (krb5_context context, * return ``corrected'' time in `timeret'. */ -krb5_error_code KRB5_LIB_FUNCTION +KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_timeofday (krb5_context context, krb5_timestamp *timeret) { @@ -76,7 +91,7 @@ krb5_timeofday (krb5_context context, * like gettimeofday but with time correction to the KDC */ -krb5_error_code KRB5_LIB_FUNCTION +KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_us_timeofday (krb5_context context, krb5_timestamp *sec, int32_t *usec) @@ -90,8 +105,8 @@ krb5_us_timeofday (krb5_context context, return 0; } -krb5_error_code KRB5_LIB_FUNCTION -krb5_format_time(krb5_context context, time_t t, +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; @@ -105,7 +120,7 @@ krb5_format_time(krb5_context context, time_t t, return 0; } -krb5_error_code KRB5_LIB_FUNCTION +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) |