/* This program tests the date_parse_http routine in ../main/util_date.c. * * It is only semiautomated in that I would run it, modify the code to * use a different algorithm or seed, recompile and run again, etc. * Obviously it should use an argument for that, but I never got around * to changing the implementation. * * gcc -g -O2 -I../main -o test_date ../main/util_date.o test_date.c * test_date | egrep '^No ' * * Roy Fielding, 1996 */ #include #include #include #include "apr_date.h" #ifndef srand48 #define srand48 srandom #endif #ifndef mrand48 #define mrand48 random #endif void gm_timestr_822(char *ts, apr_time_t sec); void gm_timestr_850(char *ts, apr_time_t sec); void gm_timestr_ccc(char *ts, apr_time_t sec); static const apr_time_t year2secs[] = { APR_INT64_C(0), /* 1970 */ APR_INT64_C(31536000), /* 1971 */ APR_INT64_C(63072000), /* 1972 */ APR_INT64_C(94694400), /* 1973 */ APR_INT64_C(126230400), /* 1974 */ APR_INT64_C(157766400), /* 1975 */ APR_INT64_C(189302400), /* 1976 */ APR_INT64_C(220924800), /* 1977 */ APR_INT64_C(252460800), /* 1978 */ APR_INT64_C(283996800), /* 1979 */ APR_INT64_C(315532800), /* 1980 */ APR_INT64_C(347155200), /* 1981 */ APR_INT64_C(378691200), /* 1982 */ APR_INT64_C(410227200), /* 1983 */ APR_INT64_C(441763200), /* 1984 */ APR_INT64_C(473385600), /* 1985 */ APR_INT64_C(504921600), /* 1986 */ APR_INT64_C(536457600), /* 1987 */ APR_INT64_C(567993600), /* 1988 */ APR_INT64_C(599616000), /* 1989 */ APR_INT64_C(631152000), /* 1990 */ APR_INT64_C(662688000), /* 1991 */ APR_INT64_C(694224000), /* 1992 */ APR_INT64_C(725846400), /* 1993 */ APR_INT64_C(757382400), /* 1994 */ APR_INT64_C(788918400), /* 1995 */ APR_INT64_C(820454400), /* 1996 */ APR_INT64_C(852076800), /* 1997 */ APR_INT64_C(883612800), /* 1998 */ APR_INT64_C(915148800), /* 1999 */ APR_INT64_C(946684800), /* 2000 */ APR_INT64_C(978307200), /* 2001 */ APR_INT64_C(1009843200), /* 2002 */ APR_INT64_C(1041379200), /* 2003 */ APR_INT64_C(1072915200), /* 2004 */ APR_INT64_C(1104537600), /* 2005 */ APR_INT64_C(1136073600), /* 2006 */ APR_INT64_C(1167609600), /* 2007 */ APR_INT64_C(1199145600), /* 2008 */ APR_INT64_C(1230768000), /* 2009 */ APR_INT64_C(1262304000), /* 2010 */ APR_INT64_C(1293840000), /* 2011 */ APR_INT64_C(1325376000), /* 2012 */ APR_INT64_C(1356998400), /* 2013 */ APR_INT64_C(1388534400), /* 2014 */ APR_INT64_C(1420070400), /* 2015 */ APR_INT64_C(1451606400), /* 2016 */ APR_INT64_C(1483228800), /* 2017 */ APR_INT64_C(1514764800), /* 2018 */ APR_INT64_C(1546300800), /* 2019 */ APR_INT64_C(1577836800), /* 2020 */ APR_INT64_C(1609459200), /* 2021 */ APR_INT64_C(1640995200), /* 2022 */ APR_INT64_C(1672531200), /* 2023 */ APR_INT64_C(1704067200), /* 2024 */ APR_INT64_C(1735689600), /* 2025 */ APR_INT64_C(1767225600), /* 2026 */ APR_INT64_C(1798761600), /* 2027 */ APR_INT64_C(1830297600), /* 2028 */ APR_INT64_C(1861920000), /* 2029 */ APR_INT64_C(1893456000), /* 2030 */ APR_INT64_C(1924992000), /* 2031 */ APR_INT64_C(1956528000), /* 2032 */ APR_INT64_C(1988150400), /* 2033 */ APR_INT64_C(2019686400), /* 2034 */ APR_INT64_C(2051222400), /* 2035 */ APR_INT64_C(2082758400), /* 2036 */ APR_INT64_C(2114380800), /* 2037 */ APR_INT64_C(2145916800) /* 2038 */ }; const char month_snames[12][4] = { "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec" }; void gm_timestr_822(char *ts, apr_time_t sec) { static const char *const days[7]= {"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; struct tm *tms; time_t ls = (time_t)sec; tms = gmtime(&ls); sprintf(ts, "%s, %.2d %s %d %.2d:%.2d:%.2d GMT", days[tms->tm_wday], tms->tm_mday, month_snames[tms->tm_mon], tms->tm_year + 1900, tms->tm_hour, tms->tm_min, tms->tm_sec); } void gm_timestr_850(char *ts, apr_time_t sec) { static const char *const days[7]= {"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; struct tm *tms; int year; time_t ls = (time_t)sec; tms = gmtime(&ls); year = tms->tm_year; if (year >= 100) year -= 100; sprintf(ts, "%s, %.2d-%s-%.2d %.2d:%.2d:%.2d GMT", days[tms->tm_wday], tms->tm_mday, month_snames[tms->tm_mon], year, tms->tm_hour, tms->tm_min, tms->tm_sec); } void gm_timestr_ccc(char *ts, apr_time_t sec) { static const char *const days[7]= {"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; struct tm *tms; time_t ls = (time_t)sec; tms = gmtime(&ls); sprintf(ts, "%s %s %2d %.2d:%.2d:%.2d %d", days[tms->tm_wday], month_snames[tms->tm_mon], tms->tm_mday, tms->tm_hour, tms->tm_min, tms->tm_sec, tms->tm_year + 1900); } int main (void) { int year, i; apr_time_t guess; apr_time_t offset = 0; /* apr_time_t offset = 0; */ /* apr_time_t offset = ((31 + 28) * 24 * 3600) - 1; */ apr_time_t secstodate, newsecs; char datestr[50]; for (year = 1970; year < 2038; ++year) { secstodate = year2secs[year - 1970] + offset; gm_timestr_822(datestr, secstodate); secstodate *= APR_USEC_PER_SEC; newsecs = apr_date_parse_http(datestr); if (secstodate == newsecs) printf("Yes %4d %19" APR_TIME_T_FMT " %s\n", year, secstodate, datestr); else if (newsecs == APR_DATE_BAD) printf("No %4d %19" APR_TIME_T_FMT " %19" APR_TIME_T_FMT " %s\n", year, secstodate, newsecs, datestr); else printf("No* %4d %19" APR_TIME_T_FMT " %19" APR_TIME_T_FMT " %s\n", year, secstodate, newsecs, datestr); } srand48(978245L); for (i = 0; i < 10000; ++i) { guess = (time_t)mrand48(); if (guess < 0) guess *= -1; secstodate = guess + offset; gm_timestr_822(datestr, secstodate); secstodate *= APR_USEC_PER_SEC; newsecs = apr_date_parse_http(datestr); if (secstodate == newsecs) printf("Yes %" APR_TIME_T_FMT " %s\n", secstodate, datestr); else if (newsecs == APR_DATE_BAD) printf("No %" APR_TIME_T_FMT " %" APR_TIME_T_FMT " %s\n", secstodate, newsecs, datestr); else printf("No* %" APR_TIME_T_FMT " %" APR_TIME_T_FMT " %s\n", secstodate, newsecs, datestr); } exit(0); }