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OpenVPNAdapter/Sources/OpenVPN3/deps/mbedtls/patches/0001-relax-x509-date-format-check.patch
T

56 lines
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From 0554efae4e27b6a764def80f600394519ef1addb Mon Sep 17 00:00:00 2001
From: Antonio Quartulli <antonio@openvpn.net>
Date: Tue, 20 Mar 2018 09:35:47 +0800
Subject: [PATCH 1/2] relax x509 date format check
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
---
library/x509.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/library/x509.c b/library/x509.c
index 264c7fb0c..9372bcb92 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -556,13 +556,20 @@ static int x509_parse_time( unsigned char **p, size_t len, size_t yearlen,
/*
* Parse seconds if present
*/
- if ( len >= 2 )
+ if ( len >= 2 && **p >= '0' && **p <= '9' )
{
CHECK( x509_parse_int( p, 2, &tm->sec ) );
len -= 2;
}
else
+ {
+#if defined(MBEDTLS_RELAXED_X509_DATE)
+ /* if relaxed mode, allow seconds to be absent */
+ tm->sec = 0;
+#else
return ( MBEDTLS_ERR_X509_INVALID_DATE );
+#endif
+ }
/*
* Parse trailing 'Z' if present
@@ -572,6 +579,15 @@ static int x509_parse_time( unsigned char **p, size_t len, size_t yearlen,
(*p)++;
len--;
}
+#if defined(MBEDTLS_RELAXED_X509_DATE)
+ else if ( len == 5 && **p == '+' )
+ {
+ int tz; /* throwaway timezone */
+ (*p)++;
+ CHECK( x509_parse_int( p, 4, &tz ) );
+ return 0;
+ }
+#endif
/*
* We should have parsed all characters at this point
--
2.18.0