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slords |
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https://bugzilla.redhat.com/show_bug.cgi?id=689386 |
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http://svn.php.net/viewvc/?view=revision&revision=306475 |
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plus: |
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http://svn.php.net/viewvc?view=revision&revision=317360 |
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http://svn.php.net/viewvc?view=revision&revision=317387 |
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http://svn.php.net/viewvc?view=revision&revision=317393 |
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plus similar fix for jewish.c |
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--- php-5.3.3/ext/calendar/gregor.c.cve1466 |
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+++ php-5.3.3/ext/calendar/gregor.c |
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@@ -127,6 +127,7 @@ |
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**************************************************************************/ |
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#include "sdncal.h" |
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+#include <limits.h> |
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#define GREGOR_SDN_OFFSET 32045 |
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#define DAYS_PER_5_MONTHS 153 |
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@@ -146,21 +147,12 @@ void SdnToGregorian( |
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long int temp; |
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int dayOfYear; |
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- if (sdn <= 0) { |
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- *pYear = 0; |
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- *pMonth = 0; |
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- *pDay = 0; |
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- return; |
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+ if (sdn <= 0 || |
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+ sdn > (LONG_MAX - 4 * GREGOR_SDN_OFFSET) / 4) { |
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+ goto fail; |
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} |
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temp = (sdn + GREGOR_SDN_OFFSET) * 4 - 1; |
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- if (temp < 0) { |
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- *pYear = 0; |
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- *pMonth = 0; |
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- *pDay = 0; |
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- return; |
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- } |
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- |
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/* Calculate the century (year/100). */ |
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century = temp / DAYS_PER_400_YEARS; |
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@@ -190,6 +182,12 @@ void SdnToGregorian( |
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*pYear = year; |
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*pMonth = month; |
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*pDay = day; |
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+ return; |
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+ |
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+fail: |
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+ *pYear = 0; |
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+ *pMonth = 0; |
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+ *pDay = 0; |
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} |
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long int GregorianToSdn( |
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--- php-5.3.3/ext/calendar/jewish.c.cve1466 |
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+++ php-5.3.3/ext/calendar/jewish.c |
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@@ -272,6 +272,7 @@ |
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#define HALAKIM_PER_METONIC_CYCLE (HALAKIM_PER_LUNAR_CYCLE * (12 * 19 + 7)) |
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#define JEWISH_SDN_OFFSET 347997 |
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+#define JEWISH_SDN_MAX 38245310 /* year 103759, 100000 A.D. */ |
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#define NEW_MOON_OF_CREATION 31524 |
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#define SUNDAY 0 |
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@@ -519,7 +520,7 @@ void SdnToJewish( |
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int tishri1After; |
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int yearLength; |
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- if (sdn <= JEWISH_SDN_OFFSET) { |
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+ if (sdn <= JEWISH_SDN_OFFSET || sdn > JEWISH_SDN_MAX) { |
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*pYear = 0; |
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*pMonth = 0; |
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*pDay = 0; |
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--- php-5.3.3/ext/calendar/julian.c.cve1466 |
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+++ php-5.3.3/ext/calendar/julian.c |
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@@ -146,6 +146,7 @@ |
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**************************************************************************/ |
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#include "sdncal.h" |
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+#include <limits.h> |
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#define JULIAN_SDN_OFFSET 32083 |
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#define DAYS_PER_5_MONTHS 153 |
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@@ -164,15 +165,22 @@ void SdnToJulian( |
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int dayOfYear; |
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if (sdn <= 0) { |
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- *pYear = 0; |
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- *pMonth = 0; |
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- *pDay = 0; |
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- return; |
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+ goto fail; |
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} |
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- temp = (sdn + JULIAN_SDN_OFFSET) * 4 - 1; |
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+ /* Check for overflow */ |
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+ if (sdn > (LONG_MAX - JULIAN_SDN_OFFSET * 4 + 1) / 4 || sdn < LONG_MIN / 4) { |
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+ goto fail; |
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+ } |
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+ temp = sdn * 4 + (JULIAN_SDN_OFFSET * 4 - 1); |
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/* Calculate the year and day of year (1 <= dayOfYear <= 366). */ |
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- year = temp / DAYS_PER_4_YEARS; |
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+ { |
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+ long yearl = temp / DAYS_PER_4_YEARS; |
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+ if (yearl > INT_MAX || yearl < INT_MIN) { |
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+ goto fail; |
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+ } |
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+ year = (int) yearl; |
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+ } |
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dayOfYear = (temp % DAYS_PER_4_YEARS) / 4 + 1; |
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/* Calculate the month and day of month. */ |
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@@ -196,6 +204,12 @@ void SdnToJulian( |
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*pYear = year; |
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*pMonth = month; |
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*pDay = day; |
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+ return; |
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+ |
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+fail: |
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+ *pYear = 0; |
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+ *pMonth = 0; |
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+ *pDay = 0; |
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} |
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| 131 |
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long int JulianToSdn( |
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