commit 46629717c911b7ab45da7f1d3cd403389c511c56
author Hanno Becker <hanno.becker@arm.com> Thu Apr 25 16:47:57 2019 +0100
committer Hanno Becker <hanno.becker@arm.com> Fri May 17 10:20:41 2019 +0100
tree 3c2b002eefe37a25e0cc92e9623912578fbb56f3
parent 4baec2c4bfe3646cac30a271c7f4746258664962

Check static bounds of CID lengths in check_config.h

include/mbedtls/check_config.h

diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index bc94b77..413713c 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -600,6 +600,18 @@
 #error "MBEDTLS_SSL_CID  defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_CID)            &&                 \
+    defined(MBEDTLS_SSL_CID_IN_LEN_MAX) &&                 \
+    MBEDTLS_SSL_CID_IN_LEN_MAX > 255
+#error "MBEDTLS_SSL_CID_IN_LEN_MAX too large (max 255)"
+#endif
+
+#if defined(MBEDTLS_SSL_CID)            &&                  \
+    defined(MBEDTLS_SSL_CID_OUT_LEN_MAX) &&                 \
+    MBEDTLS_SSL_CID_OUT_LEN_MAX > 255
+#error "MBEDTLS_SSL_CID_OUT_LEN_MAX too large (max 255)"
+#endif
+
 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"