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Increase SNI hostname buffer length to 256. (#1111)

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According to RFC 4366, SNI host names can be up to 255 bytes.
Previous size of 64 resulted in failed application matches due to truncation.

For example:
 0976e041e65b1aece3e720df36ac6bd7.safeframe.googlesyndication.co|m

Signed-off-by: Darryl Sokoloski <darryl@sokoloski.ca>
This commit is contained in:
Darryl Sokoloski 2021-01-07 04:58:48 -05:00 • committed by GitHub
parent ec2735694b
commit 5f7b9d8024
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1 changed files with 2 additions and 2 deletions
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4
src/include/ndpi_typedefs.h
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@ -1259,8 +1259,8 @@ struct ndpi_flow_struct {
struct {
char ssl_version_str[12];
u_int16_t ssl_version, server_names_len;
char client_requested_server_name[64], *server_names,
*alpn, *tls_supported_versions, *issuerDN, *subjectDN;
char client_requested_server_name[256], /* SNI hostname length: RFC 4366 */
*server_names, *alpn, *tls_supported_versions, *issuerDN, *subjectDN;
u_int32_t notBefore, notAfter;
char ja3_client[33], ja3_server[33];
u_int16_t server_cipher;