276da39af9
Approved by: roberto, delphij Security: VuXML: 0d0f3050-1f69-11e5-9ba9-d050996490d0 Security: http://bugs.ntp.org/show_bug.cgi?id=2853 Security: https://www.kb.cert.org/vuls/id/668167 Security: http://support.ntp.org/bin/view/Main/SecurityNotice#June_2015_NTP_Security_Vulnerabi
144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
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/**
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* \file time.c
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*
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* @addtogroup autoopts
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* @{
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*/
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/*
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* This file is part of AutoOpts, a companion to AutoGen.
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* AutoOpts is free software.
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* AutoOpts is Copyright (C) 1992-2015 by Bruce Korb - all rights reserved
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*
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* AutoOpts is available under any one of two licenses. The license
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* in use must be one of these two and the choice is under the control
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* of the user of the license.
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*
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* The GNU Lesser General Public License, version 3 or later
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* See the files "COPYING.lgplv3" and "COPYING.gplv3"
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*
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* The Modified Berkeley Software Distribution License
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* See the file "COPYING.mbsd"
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*
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* These files have the following sha256 sums:
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*
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* 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3
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* 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3
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* 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd
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*/
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/*=export_func optionTimeVal
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* private:
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*
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* what: process an option with a time duration.
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* arg: + tOptions * + opts + program options descriptor +
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* arg: + tOptDesc * + od + the descriptor for this arg +
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*
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* doc:
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* Decipher a time duration value.
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=*/
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void
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optionTimeVal(tOptions * opts, tOptDesc * od)
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{
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time_t val;
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if (INQUERY_CALL(opts, od))
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return;
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val = parse_duration(od->optArg.argString);
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if (val == BAD_TIME) {
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fprintf(stderr, zNotDuration, opts->pzProgName, od->optArg.argString);
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if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0)
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(*(opts->pUsageProc))(opts, EXIT_FAILURE);
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}
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if (od->fOptState & OPTST_ALLOC_ARG) {
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AGFREE(od->optArg.argString);
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od->fOptState &= ~OPTST_ALLOC_ARG;
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}
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od->optArg.argInt = (long)val;
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}
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/*=export_func optionTimeDate
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* private:
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*
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* what: process an option with a time and date.
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* arg: + tOptions * + opts + program options descriptor +
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* arg: + tOptDesc * + od + the descriptor for this arg +
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*
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* doc:
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* Decipher a time and date value.
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=*/
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void
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optionTimeDate(tOptions * opts, tOptDesc * od)
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{
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#if defined(HAVE_GETDATE_R) && defined(HAVE_PUTENV)
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if (INQUERY_CALL(opts, od))
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return;
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if ((! HAS_pzPkgDataDir(opts)) || (opts->pzPkgDataDir == NULL))
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goto default_action;
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/*
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* Export the DATEMSK environment variable. getdate_r() uses it to
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* find the file with the strptime formats. If we cannot find the file
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* we need ($PKGDATADIR/datemsk), then fall back to just a time duration.
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*/
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{
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static char * envptr = NULL;
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if (envptr == NULL) {
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static char const fmt[] = "DATEMSK=%s/datemsk";
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envptr = AGALOC(sizeof(fmt) + strlen(opts->pzPkgDataDir), fmt);
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sprintf(envptr, fmt, opts->pzPkgDataDir);
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putenv(envptr);
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}
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if (access(envptr+8, R_OK) != 0)
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goto default_action;
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}
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/*
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* Convert the date to a time since the epoch and stash it in a long int.
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*/
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{
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struct tm stm;
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time_t tm;
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if (getdate_r(od->optArg.argString, &stm) != 0) {
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fprintf(stderr, zNotDate, opts->pzProgName,
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od->optArg.argString);
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if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0)
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(*(opts->pUsageProc))(opts, EXIT_FAILURE);
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return;
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}
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tm = mktime(&stm);
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if (od->fOptState & OPTST_ALLOC_ARG) {
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AGFREE(od->optArg.argString);
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od->fOptState &= ~OPTST_ALLOC_ARG;
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}
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od->optArg.argInt = tm;
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}
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return;
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default_action:
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#endif
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optionTimeVal(opts, od);
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if (od->optArg.argInt != BAD_TIME)
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od->optArg.argInt += (long)time(NULL);
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}
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/** @}
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*
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* Local Variables:
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* mode: C
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* c-file-style: "stroustrup"
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* indent-tabs-mode: nil
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* End:
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* end of autoopts/time.c */
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