LCOV - code coverage report
Current view: top level - shishi/lib - gztime.c (source / functions) Hit Total Coverage
Test: GNU Shishi Lines: 19 32 59.4 %
Date: 2010-05-20 Functions: 3 5 60.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 2 6 33.3 %

           Branch data     Line data    Source code
       1                 :            : /* gztime.c --- Convertion functions for GeneralizedTime.
       2                 :            :  * Copyright (C) 2002, 2003, 2004, 2006, 2007, 2008  Simon Josefsson
       3                 :            :  *
       4                 :            :  * This file is part of Shishi.
       5                 :            :  *
       6                 :            :  * Shishi is free software; you can redistribute it and/or modify it
       7                 :            :  * under the terms of the GNU General Public License as published by
       8                 :            :  * the Free Software Foundation; either version 3 of the License, or
       9                 :            :  * (at your option) any later version.
      10                 :            :  *
      11                 :            :  * Shishi is distributed in the hope that it will be useful, but
      12                 :            :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with Shishi; if not, see http://www.gnu.org/licenses or write
      18                 :            :  * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
      19                 :            :  * Floor, Boston, MA 02110-1301, USA
      20                 :            :  *
      21                 :            :  */
      22                 :            : 
      23                 :            : #include "internal.h"
      24                 :            : 
      25                 :            : /* Get xtime. */
      26                 :            : #include "utils.h"
      27                 :            : 
      28                 :            : /**
      29                 :            :  * shishi_generalize_time:
      30                 :            :  * @handle: shishi handle as allocated by shishi_init().
      31                 :            :  * @t: C time to convert.
      32                 :            :  *
      33                 :            :  * Convert C time to KerberosTime.  The string must not be deallocate
      34                 :            :  * by caller.
      35                 :            :  *
      36                 :            :  * Return value: Return a KerberosTime time string corresponding to C time t.
      37                 :            :  **/
      38                 :            : const char *
      39                 :         14 : shishi_generalize_time (Shishi * handle, time_t t)
      40                 :            : {
      41                 :            :   struct tm *tm;
      42                 :            : 
      43                 :         14 :   tm = gmtime (&t);
      44                 :         14 :   strftime (handle->gztime_buf, sizeof (handle->gztime_buf),
      45                 :            :             "%Y%m%d%H%M%SZ", tm);
      46                 :            : 
      47                 :         14 :   return handle->gztime_buf;
      48                 :            : }
      49                 :            : 
      50                 :            : /**
      51                 :            :  * shishi_generalize_now:
      52                 :            :  * @handle: shishi handle as allocated by shishi_init().
      53                 :            :  *
      54                 :            :  * Convert current time to KerberosTime.  The string must not be
      55                 :            :  * deallocate by caller.
      56                 :            :  *
      57                 :            :  * Return value: Return a KerberosTime time string corresponding to
      58                 :            :  *   current time.
      59                 :            :  **/
      60                 :            : const char *
      61                 :          0 : shishi_generalize_now (Shishi * handle)
      62                 :            : {
      63                 :          0 :   time_t t = xtime (NULL);
      64                 :            : 
      65                 :          0 :   return shishi_generalize_time (handle, t);
      66                 :            : }
      67                 :            : 
      68                 :            : /**
      69                 :            :  * shishi_generalize_ctime:
      70                 :            :  * @handle: shishi handle as allocated by shishi_init().
      71                 :            :  * @t: KerberosTime to convert.
      72                 :            :  *
      73                 :            :  * Convert KerberosTime to C time.
      74                 :            :  *
      75                 :            :  * Return value: Returns C time corresponding to KerberosTime t.
      76                 :            :  **/
      77                 :            : time_t
      78                 :         11 : shishi_generalize_ctime (Shishi * handle, const char *t)
      79                 :            : {
      80                 :            :   struct tm tm;
      81                 :            :   time_t ct;
      82                 :            : 
      83                 :         11 :   memset (&tm, 0, sizeof (tm));
      84                 :            : 
      85                 :         11 :   sscanf (t, "%4u%2u%2u%2u%2u%2uZ",
      86                 :            :           &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
      87                 :            :           &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
      88                 :         11 :   tm.tm_year -= 1900;
      89                 :         11 :   tm.tm_mon--;
      90                 :            : 
      91                 :         11 :   ct = timegm (&tm);
      92                 :            : 
      93                 :         11 :   return ct;
      94                 :            : }
      95                 :            : 
      96                 :            : /**
      97                 :            :  * shishi_time:
      98                 :            :  * @handle: shishi handle as allocated by shishi_init().
      99                 :            :  * @node: ASN.1 node to get time from.
     100                 :            :  * @field: Name of field in ASN.1 node to get time from.
     101                 :            :  * @t: newly allocated output array with zero terminated time string.
     102                 :            :  *
     103                 :            :  * Extract time from ASN.1 structure.
     104                 :            :  *
     105                 :            :  * Return value: Returns SHISHI_OK iff successful.
     106                 :            :  **/
     107                 :            : int
     108                 :          1 : shishi_time (Shishi * handle, Shishi_asn1 node, const char *field, char **t)
     109                 :            : {
     110                 :            :   size_t len;
     111                 :            :   int res;
     112                 :            : 
     113                 :          1 :   len = SHISHI_GENERALIZEDTIME_LENGTH + 1;
     114                 :          1 :   *t = xmalloc (len);
     115                 :            : 
     116                 :          1 :   res = shishi_asn1_read_inline (handle, node, field, *t, &len);
     117         [ -  + ]:          1 :   if (res != SHISHI_OK)
     118                 :          0 :     return res;
     119                 :            : 
     120         [ -  + ]:          1 :   if (len <= SHISHI_GENERALIZEDTIME_LENGTH)
     121                 :            :     {
     122                 :          0 :       shishi_error_printf (handle, "Read time too short (%s)", *t);
     123                 :          0 :       return SHISHI_ASN1_ERROR;
     124                 :            :     }
     125                 :            : 
     126                 :          1 :   (*t)[SHISHI_GENERALIZEDTIME_LENGTH] = '\0';
     127                 :            : 
     128                 :          1 :   return SHISHI_OK;
     129                 :            : }
     130                 :            : 
     131                 :            : /**
     132                 :            :  * shishi_ctime:
     133                 :            :  * @handle: shishi handle as allocated by shishi_init().
     134                 :            :  * @node: ASN.1 variable to read field from.
     135                 :            :  * @field: name of field in @node to read.
     136                 :            :  * @t: pointer to time field to set.
     137                 :            :  *
     138                 :            :  * Extract time from ASN.1 structure.
     139                 :            :  *
     140                 :            :  * Return value: Returns SHISHI_OK if successful,
     141                 :            :  *   SHISHI_ASN1_NO_ELEMENT if the element do not exist,
     142                 :            :  *   SHISHI_ASN1_NO_VALUE if the field has no value, ot
     143                 :            :  *   SHISHI_ASN1_ERROR otherwise.
     144                 :            :  **/
     145                 :            : int
     146                 :          0 : shishi_ctime (Shishi * handle, Shishi_asn1 node, const char *field,
     147                 :            :               time_t * t)
     148                 :            : {
     149                 :            :   char str[SHISHI_GENERALIZEDTIME_LENGTH + 1];
     150                 :          0 :   size_t len = sizeof (str);
     151                 :            :   int rc;
     152                 :            : 
     153                 :          0 :   rc = shishi_asn1_read_inline (handle, node, field, str, &len);
     154         [ #  # ]:          0 :   if (rc != SHISHI_OK)
     155                 :          0 :     return rc;
     156                 :            : 
     157                 :          0 :   *t = shishi_generalize_ctime (handle, str);
     158                 :            : 
     159                 :          0 :   return SHISHI_OK;
     160                 :            : }

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