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-rw-r--r--coreutils/date.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/coreutils/date.c b/coreutils/date.c
index 51200e6..11b63ea 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -123,8 +123,33 @@ int date_main(int argc UNUSED_PARAM, char **argv)
if (!(opt & (OPT_SET | OPT_DATE))) {
opt |= OPT_SET;
date_str = argv[0]; /* can be NULL */
- if (date_str)
+ if (date_str) {
+#if ENABLE_DESKTOP
+ int len = strspn(date_str, "0123456789");
+ if (date_str[len] == '\0'
+ || (date_str[len] == '.'
+ && isdigit(date_str[len+1])
+ && isdigit(date_str[len+2])
+ && date_str[len+3] == '\0'
+ )
+ ) {
+ /* Dreaded [MMDDhhmm[[CC]YY][.ss]] format!
+ * It does not match -d or -s format.
+ * Some users actually do use it.
+ */
+ len -= 8;
+ if (len < 0 || len > 4 || (len & 1))
+ bb_error_msg_and_die(bb_msg_invalid_date, date_str);
+ if (len != 0) { /* move YY or CCYY to front */
+ char buf[4];
+ memcpy(buf, date_str + 8, len);
+ memmove(date_str + len, date_str, 8);
+ memcpy(date_str, buf, len);
+ }
+ }
+#endif
argv++;
+ }
}
if (*argv)
bb_show_usage();