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freifunkist-firmware/package/utils/busybox/patches/003-upstream_date_fix.patch

30 lines
978 B

--- a/libbb/time.c
+++ b/libbb/time.c
@@ -68,15 +68,23 @@ void FAST_FUNC parse_datestr(const char
/* else end != NUL and we error out */
}
} else
- /* yyyy-mm-dd HH */
- if (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year,
+ if (strchr(date_str, '-')
+ /* Why strchr('-') check?
+ * sscanf below will trash ptm->tm_year, this breaks
+ * if parse_str is "10101010" (iow, "MMddhhmm" form)
+ * because we destroy year. Do these sscanf
+ * only if we saw a dash in parse_str.
+ */
+ /* yyyy-mm-dd HH */
+ && (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&ptm->tm_hour,
&end) >= 4
- /* yyyy-mm-dd */
- || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year,
+ /* yyyy-mm-dd */
+ || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year,
&ptm->tm_mon, &ptm->tm_mday,
&end) >= 3
+ )
) {
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */