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-rw-r--r--src/backend/utils/adt/formatting.c141
1 files changed, 126 insertions, 15 deletions
diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index e381d088cfb..38663fc432b 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -109,7 +109,7 @@
* Maximal length of one node
* ----------
*/
-#define DCH_MAX_ITEM_SIZ 9 /* max julian day */
+#define DCH_MAX_ITEM_SIZ 12 /* max localized day name */
#define NUM_MAX_ITEM_SIZ 8 /* roman number (RN has 15 chars) */
/* ----------
@@ -524,10 +524,12 @@ do { \
* Suffixes definition for DATE-TIME TO/FROM CHAR
* ----------
*/
+#define TM_SUFFIX_LEN 2
+
static KeySuffix DCH_suff[] = {
{"FM", 2, DCH_S_FM, SUFFTYPE_PREFIX},
{"fm", 2, DCH_S_FM, SUFFTYPE_PREFIX},
- {"TM", 2, DCH_S_TM, SUFFTYPE_PREFIX},
+ {"TM", TM_SUFFIX_LEN, DCH_S_TM, SUFFTYPE_PREFIX},
{"tm", 2, DCH_S_TM, SUFFTYPE_PREFIX},
{"TH", 2, DCH_S_TH, SUFFTYPE_POSTFIX},
{"th", 2, DCH_S_th, SUFFTYPE_POSTFIX},
@@ -536,6 +538,7 @@ static KeySuffix DCH_suff[] = {
{NULL, 0, 0, 0}
};
+
/* ----------
* Format-pictures (KeyWord).
*
@@ -2292,10 +2295,19 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_toupper_z(localized_full_months[tm->tm_mon - 1]));
+ {
+ char *str = str_toupper_z(localized_full_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
- asc_toupper_z(months_full[tm->tm_mon - 1]));
+ asc_toupper_z(months_full[tm->tm_mon - 1]));
s += strlen(s);
break;
case DCH_Month:
@@ -2303,7 +2315,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_initcap_z(localized_full_months[tm->tm_mon - 1]));
+ {
+ char *str = str_initcap_z(localized_full_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
months_full[tm->tm_mon - 1]);
@@ -2314,7 +2335,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_tolower_z(localized_full_months[tm->tm_mon - 1]));
+ {
+ char *str = str_tolower_z(localized_full_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
asc_tolower_z(months_full[tm->tm_mon - 1]));
@@ -2325,7 +2355,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_toupper_z(localized_abbrev_months[tm->tm_mon - 1]));
+ {
+ char *str = str_toupper_z(localized_abbrev_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, asc_toupper_z(months[tm->tm_mon - 1]));
s += strlen(s);
@@ -2335,7 +2374,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_initcap_z(localized_abbrev_months[tm->tm_mon - 1]));
+ {
+ char *str = str_initcap_z(localized_abbrev_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, months[tm->tm_mon - 1]);
s += strlen(s);
@@ -2345,7 +2393,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
if (!tm->tm_mon)
break;
if (S_TM(n->suffix))
- strcpy(s, str_tolower_z(localized_abbrev_months[tm->tm_mon - 1]));
+ {
+ char *str = str_tolower_z(localized_abbrev_months[tm->tm_mon - 1]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, asc_tolower_z(months[tm->tm_mon - 1]));
s += strlen(s);
@@ -2359,7 +2416,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_DAY:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_toupper_z(localized_full_days[tm->tm_wday]));
+ {
+ char *str = str_toupper_z(localized_full_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
asc_toupper_z(days[tm->tm_wday]));
@@ -2368,7 +2434,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_Day:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_initcap_z(localized_full_days[tm->tm_wday]));
+ {
+ char *str = str_initcap_z(localized_full_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
days[tm->tm_wday]);
@@ -2377,7 +2452,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_day:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_tolower_z(localized_full_days[tm->tm_wday]));
+ {
+ char *str = str_tolower_z(localized_full_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
asc_tolower_z(days[tm->tm_wday]));
@@ -2386,7 +2470,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_DY:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_toupper_z(localized_abbrev_days[tm->tm_wday]));
+ {
+ char *str = str_toupper_z(localized_abbrev_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, asc_toupper_z(days_short[tm->tm_wday]));
s += strlen(s);
@@ -2394,7 +2487,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_Dy:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_initcap_z(localized_abbrev_days[tm->tm_wday]));
+ {
+ char *str = str_initcap_z(localized_abbrev_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, days_short[tm->tm_wday]);
s += strlen(s);
@@ -2402,7 +2504,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_dy:
INVALID_FOR_INTERVAL;
if (S_TM(n->suffix))
- strcpy(s, str_tolower_z(localized_abbrev_days[tm->tm_wday]));
+ {
+ char *str = str_tolower_z(localized_abbrev_days[tm->tm_wday]);
+
+ if (strlen(str) < (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
+ strcpy(s, str);
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+ errmsg("localized string format value too long")));
+ }
else
strcpy(s, asc_tolower_z(days_short[tm->tm_wday]));
s += strlen(s);
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-19 20:25:39 +0000