X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/5dd5f9ec28f304ca377c42fd7f711d6cf12b90e1..5c19dc3ae3bd8e40a9c028b0deddd50ff337692c:/Security/libsecurity_cdsa_utils/lib/cuTimeStr.cpp diff --git a/Security/libsecurity_cdsa_utils/lib/cuTimeStr.cpp b/Security/libsecurity_cdsa_utils/lib/cuTimeStr.cpp deleted file mode 100644 index fe246994..00000000 --- a/Security/libsecurity_cdsa_utils/lib/cuTimeStr.cpp +++ /dev/null @@ -1,293 +0,0 @@ -/* - * Copyright (c) 2002,2011-2012,2014 Apple Inc. All Rights Reserved. - * - * The contents of this file constitute Original Code as defined in and are - * subject to the Apple Public Source License Version 1.2 (the 'License'). - * You may not use this file except in compliance with the License. Please obtain - * a copy of the License at http://www.apple.com/publicsource and read it before - * using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS - * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT - * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR - * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the - * specific language governing rights and limitations under the License. - */ - -/* - * cuTimeStr.cpp - time string routines - */ -#include "cuTimeStr.h" -#include "cuCdsaUtils.h" -#include -#include -#include -#include -#include - -/* - * Given a string containing either a UTC-style or "generalized time" - * time string, convert to a struct tm (in GMT/UTC). Returns nonzero on - * error. - */ -int cuTimeStringToTm( - const char *str, - unsigned len, - struct tm *tmp) -{ - char szTemp[5]; - unsigned isUtc = 0; - unsigned noSeconds = 0; - int x; - unsigned i; - char *cp; - - if((str == NULL) || (len == 0) || (tmp == NULL)) { - return 1; - } - - /* tolerate NULL terminated or not */ - if(str[len - 1] == '\0') { - len--; - } - switch(len) { - case UTC_TIME_NOSEC_LEN: // 2-digit year, no seconds, not y2K compliant - isUtc = 1; - noSeconds = 1; - break; - case UTC_TIME_STRLEN: // 2-digit year, not Y2K compliant - isUtc = 1; - break; - case GENERALIZED_TIME_STRLEN: // 4-digit year - break; - default: // unknown format - return 1; - } - - cp = (char *)str; - - /* check that all characters except last are digits */ - for(i=0; i<(len - 1); i++) { - if ( !(isdigit(cp[i])) ) { - return 1; - } - } - - /* check last character is a 'Z' */ - if(cp[len - 1] != 'Z' ) { - return 1; - } - - /* YEAR */ - szTemp[0] = *cp++; - szTemp[1] = *cp++; - if(!isUtc) { - /* two more digits */ - szTemp[2] = *cp++; - szTemp[3] = *cp++; - szTemp[4] = '\0'; - } - else { - szTemp[2] = '\0'; - } - x = atoi( szTemp ); - if(isUtc) { - /* - * 2-digit year. - * 0 <= year < 50 : assume century 21 - * 50 <= year < 70 : illegal per PKIX, though we tolerate - * 70 < year <= 99 : assume century 20 - */ - if(x < 50) { - x += 2000; - } - /* - else if(x < 70) { - return 1; - } - */ - else { - /* century 20 */ - x += 1900; - } - } - /* by definition - tm_year is year - 1900 */ - tmp->tm_year = x - 1900; - - /* MONTH */ - szTemp[0] = *cp++; - szTemp[1] = *cp++; - szTemp[2] = '\0'; - x = atoi( szTemp ); - /* in the string, months are from 1 to 12 */ - if((x > 12) || (x <= 0)) { - return 1; - } - /* in a tm, 0 to 11 */ - tmp->tm_mon = x - 1; - - /* DAY */ - szTemp[0] = *cp++; - szTemp[1] = *cp++; - szTemp[2] = '\0'; - x = atoi( szTemp ); - /* 1..31 in both formats */ - if((x > 31) || (x <= 0)) { - return 1; - } - tmp->tm_mday = x; - - /* HOUR */ - szTemp[0] = *cp++; - szTemp[1] = *cp++; - szTemp[2] = '\0'; - x = atoi( szTemp ); - if((x > 23) || (x < 0)) { - return 1; - } - tmp->tm_hour = x; - - /* MINUTE */ - szTemp[0] = *cp++; - szTemp[1] = *cp++; - szTemp[2] = '\0'; - x = atoi( szTemp ); - if((x > 59) || (x < 0)) { - return 1; - } - tmp->tm_min = x; - - /* SECOND */ - if(noSeconds) { - tmp->tm_sec = 0; - } - else { - szTemp[0] = *cp++; - szTemp[1] = *cp++; - szTemp[2] = '\0'; - x = atoi( szTemp ); - if((x > 59) || (x < 0)) { - return 1; - } - tmp->tm_sec = x; - } - return 0; -} - -#define MAX_TIME_STR_LEN 30 - -/* protects time(), gmtime() */ -static pthread_mutex_t timeMutex = PTHREAD_MUTEX_INITIALIZER; - -char *cuTimeAtNowPlus(int secFromNow, - timeSpec spec) -{ - struct tm utc; - char *outStr; - time_t baseTime; - - pthread_mutex_lock(&timeMutex); - baseTime = time(NULL); - baseTime += (time_t)secFromNow; - utc = *gmtime(&baseTime); - pthread_mutex_unlock(&timeMutex); - - outStr = (char *)APP_MALLOC(MAX_TIME_STR_LEN); - - switch(spec) { - case TIME_UTC: - /* UTC - 2 year digits - code which parses this assumes that - * (2-digit) years between 0 and 49 are in century 21 */ - if(utc.tm_year >= 100) { - utc.tm_year -= 100; - } - sprintf(outStr, "%02d%02d%02d%02d%02d%02dZ", - utc.tm_year /* + 1900 */, utc.tm_mon + 1, - utc.tm_mday, utc.tm_hour, utc.tm_min, utc.tm_sec); - break; - case TIME_GEN: - sprintf(outStr, "%04d%02d%02d%02d%02d%02dZ", - /* note year is relative to 1900, hopefully it'll - * have four valid digits! */ - utc.tm_year + 1900, utc.tm_mon + 1, - utc.tm_mday, utc.tm_hour, utc.tm_min, utc.tm_sec); - break; - case TIME_CSSM: - sprintf(outStr, "%04d%02d%02d%02d%02d%02d", - /* note year is relative to 1900, hopefully it'll have - * four valid digits! */ - utc.tm_year + 1900, utc.tm_mon + 1, - utc.tm_mday, utc.tm_hour, utc.tm_min, utc.tm_sec); - break; - } - return outStr; -} - -/* - * Convert a CSSM_X509_TIME, which can be in any of three forms (UTC, - * generalized, or CSSM_TIMESTRING) into a CSSM_TIMESTRING. Caller - * must free() the result. Returns NULL if x509time is badly formed. - */ -char *cuX509TimeToCssmTimestring( - const CSSM_X509_TIME *x509Time, - unsigned *rtnLen) // for caller's convenience -{ - int len = (int)x509Time->time.Length; - const char *inStr = (char *)x509Time->time.Data; - // not NULL terminated! - char *rtn; - - *rtnLen = 0; - if((len == 0) || (inStr == NULL)) { - return NULL; - } - rtn = (char *)malloc(CSSM_TIME_STRLEN + 1); - rtn[0] = '\0'; - switch(len) { - case UTC_TIME_STRLEN: - { - /* infer century and prepend to output */ - char tmp[3]; - int year; - tmp[0] = inStr[0]; - tmp[1] = inStr[1]; - tmp[2] = '\0'; - year = atoi(tmp); - - /* - * 0 <= year < 50 : assume century 21 - * 50 <= year < 70 : illegal per PKIX - * 70 < year <= 99 : assume century 20 - */ - if(year < 50) { - /* century 21 */ - strcpy(rtn, "20"); - } - else if(year < 70) { - free(rtn); - return NULL; - } - else { - /* century 20 */ - strcpy(rtn, "19"); - } - memmove(rtn + 2, inStr, len - 1); // don't copy the Z - break; - } - case CSSM_TIME_STRLEN: - memmove(rtn, inStr, len); // trivial case - break; - case GENERALIZED_TIME_STRLEN: - memmove(rtn, inStr, len - 1); // don't copy the Z - break; - - default: - free(rtn); - return NULL; - } - rtn[CSSM_TIME_STRLEN] = '\0'; - *rtnLen = CSSM_TIME_STRLEN; - return rtn; -} -