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Diffstat (limited to 'server/util_date.c')
| -rw-r--r-- | server/util_date.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/server/util_date.c b/server/util_date.c deleted file mode 100644 index 89ceaa5d8d..0000000000 --- a/server/util_date.c +++ /dev/null @@ -1,306 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000-2001 The Apache Software Foundation. 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. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * nor may "Apache" appear in their name, without prior written - * permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR - * ITS 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 consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - * Portions of this software are based upon public domain software - * originally written at the National Center for Supercomputing Applications, - * University of Illinois, Urbana-Champaign. - */ - -/* - * util_date.c: date parsing utility routines - * These routines are (hopefully) platform independent. - * - * 27 Oct 1996 Roy Fielding - * Extracted (with many modifications) from mod_proxy.c and - * tested with over 50,000 randomly chosen valid date strings - * and several hundred variations of invalid date strings. - * - */ - -#include "apr.h" -#include "apr_lib.h" - -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#if APR_HAVE_CTYPE_H -#include <ctype.h> -#endif - -#define CORE_PRIVATE - -#include "ap_config.h" -#include "util_date.h" - -/* - * Compare a string to a mask - * Mask characters (arbitrary maximum is 256 characters, just in case): - * @ - uppercase letter - * $ - lowercase letter - * & - hex digit - * # - digit - * ~ - digit or space - * * - swallow remaining characters - * <x> - exact match for any other character - */ -AP_DECLARE(int) ap_checkmask(const char *data, const char *mask) -{ - int i; - char d; - - for (i = 0; i < 256; i++) { - d = data[i]; - switch (mask[i]) { - case '\0': - return (d == '\0'); - - case '*': - return 1; - - case '@': - if (!apr_isupper(d)) - return 0; - break; - case '$': - if (!apr_islower(d)) - return 0; - break; - case '#': - if (!apr_isdigit(d)) - return 0; - break; - case '&': - if (!apr_isxdigit(d)) - return 0; - break; - case '~': - if ((d != ' ') && !apr_isdigit(d)) - return 0; - break; - default: - if (mask[i] != d) - return 0; - break; - } - } - return 0; /* We only get here if mask is corrupted (exceeds 256) */ -} - - -/* - * Parses an HTTP date in one of three standard forms: - * - * Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123 - * Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036 - * Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format - * - * and returns the time_t number of seconds since 1 Jan 1970 GMT, or - * 0 if this would be out of range or if the date is invalid. - * - * The restricted HTTP syntax is - * - * HTTP-date = rfc1123-date | rfc850-date | asctime-date - * - * rfc1123-date = wkday "," SP date1 SP time SP "GMT" - * rfc850-date = weekday "," SP date2 SP time SP "GMT" - * asctime-date = wkday SP date3 SP time SP 4DIGIT - * - * date1 = 2DIGIT SP month SP 4DIGIT - * ; day month year (e.g., 02 Jun 1982) - * date2 = 2DIGIT "-" month "-" 2DIGIT - * ; day-month-year (e.g., 02-Jun-82) - * date3 = month SP ( 2DIGIT | ( SP 1DIGIT )) - * ; month day (e.g., Jun 2) - * - * time = 2DIGIT ":" 2DIGIT ":" 2DIGIT - * ; 00:00:00 - 23:59:59 - * - * wkday = "Mon" | "Tue" | "Wed" - * | "Thu" | "Fri" | "Sat" | "Sun" - * - * weekday = "Monday" | "Tuesday" | "Wednesday" - * | "Thursday" | "Friday" | "Saturday" | "Sunday" - * - * month = "Jan" | "Feb" | "Mar" | "Apr" - * | "May" | "Jun" | "Jul" | "Aug" - * | "Sep" | "Oct" | "Nov" | "Dec" - * - * However, for the sake of robustness (and Netscapeness), we ignore the - * weekday and anything after the time field (including the timezone). - * - * This routine is intended to be very fast; 10x faster than using sscanf. - * - * Originally from Andrew Daviel <andrew@vancouver-webpages.com>, 29 Jul 96 - * but many changes since then. - * - */ -AP_DECLARE(apr_time_t) ap_parseHTTPdate(const char *date) -{ - apr_exploded_time_t ds; - apr_time_t result; - int mint, mon; - const char *monstr, *timstr; - static const int months[12] = - { - ('J' << 16) | ('a' << 8) | 'n', ('F' << 16) | ('e' << 8) | 'b', - ('M' << 16) | ('a' << 8) | 'r', ('A' << 16) | ('p' << 8) | 'r', - ('M' << 16) | ('a' << 8) | 'y', ('J' << 16) | ('u' << 8) | 'n', - ('J' << 16) | ('u' << 8) | 'l', ('A' << 16) | ('u' << 8) | 'g', - ('S' << 16) | ('e' << 8) | 'p', ('O' << 16) | ('c' << 8) | 't', - ('N' << 16) | ('o' << 8) | 'v', ('D' << 16) | ('e' << 8) | 'c'}; - - if (!date) - return BAD_DATE; - - while (*date && apr_isspace(*date)) /* Find first non-whitespace char */ - ++date; - - if (*date == '\0') - return BAD_DATE; - - if ((date = strchr(date, ' ')) == NULL) /* Find space after weekday */ - return BAD_DATE; - - ++date; /* Now pointing to first char after space, which should be */ - /* start of the actual date information for all 3 formats. */ - - if (ap_checkmask(date, "## @$$ #### ##:##:## *")) { /* RFC 1123 format */ - ds.tm_year = ((date[7] - '0') * 10 + (date[8] - '0') - 19) * 100; - if (ds.tm_year < 0) - return BAD_DATE; - - ds.tm_year += ((date[9] - '0') * 10) + (date[10] - '0'); - - ds.tm_mday = ((date[0] - '0') * 10) + (date[1] - '0'); - - monstr = date + 3; - timstr = date + 12; - } - else if (ap_checkmask(date, "##-@$$-## ##:##:## *")) { /* RFC 850 format */ - ds.tm_year = ((date[7] - '0') * 10) + (date[8] - '0'); - if (ds.tm_year < 70) - ds.tm_year += 100; - - ds.tm_mday = ((date[0] - '0') * 10) + (date[1] - '0'); - - monstr = date + 3; - timstr = date + 10; - } - else if (ap_checkmask(date, "@$$ ~# ##:##:## ####*")) { /* asctime format */ - ds.tm_year = ((date[16] - '0') * 10 + (date[17] - '0') - 19) * 100; - if (ds.tm_year < 0) - return BAD_DATE; - - ds.tm_year += ((date[18] - '0') * 10) + (date[19] - '0'); - - if (date[4] == ' ') - ds.tm_mday = 0; - else - ds.tm_mday = (date[4] - '0') * 10; - - ds.tm_mday += (date[5] - '0'); - - monstr = date; - timstr = date + 7; - } - else - return BAD_DATE; - - if (ds.tm_mday <= 0 || ds.tm_mday > 31) - return BAD_DATE; - - ds.tm_hour = ((timstr[0] - '0') * 10) + (timstr[1] - '0'); - ds.tm_min = ((timstr[3] - '0') * 10) + (timstr[4] - '0'); - ds.tm_sec = ((timstr[6] - '0') * 10) + (timstr[7] - '0'); - - if ((ds.tm_hour > 23) || (ds.tm_min > 59) || (ds.tm_sec > 61)) - return BAD_DATE; - - mint = (monstr[0] << 16) | (monstr[1] << 8) | monstr[2]; - for (mon = 0; mon < 12; mon++) - if (mint == months[mon]) - break; - if (mon == 12) - return BAD_DATE; - - if ((ds.tm_mday == 31) && (mon == 3 || mon == 5 || mon == 8 || mon == 10)) - return BAD_DATE; - - /* February gets special check for leapyear */ - - if ((mon == 1) && - ((ds.tm_mday > 29) - || ((ds.tm_mday == 29) - && ((ds.tm_year & 3) - || (((ds.tm_year % 100) == 0) - && (((ds.tm_year % 400) != 100))))))) - return BAD_DATE; - - ds.tm_mon = mon; - - /* ap_mplode_time uses tm_usec and tm_gmtoff fields, but they haven't - * been set yet. - * It should be safe to just zero out these values. - * tm_usec is the number of microseconds into the second. HTTP only - * cares about second granularity. - * tm_gmtoff is the number of seconds off of GMT the time is. By - * definition all times going through this function are in GMT, so this - * is zero. - */ - ds.tm_usec = 0; - ds.tm_gmtoff = 0; - if (apr_implode_time(&result, &ds) != APR_SUCCESS) - return BAD_DATE; - - return result; -} |