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Merge pull request #519 from getdnsapi/use_dot_alpn 

Update Stubby to always send the `dot` ALPN when using DoT
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Willem Toorop 2022-08-09 16:54:30 +02:00 committed by GitHub
parent 9d8eea97a5 2bbac1163b
commit 893d4720c9
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2 changed files with 8 additions and 1 deletions
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3
ChangeLog
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@ -1,4 +1,5 @@
* 2022-07-20 * 2022-08-12: Version 1.7.1
* Always send the `dot` ALPN when using DoT
* Strengthen version determination for Libidn2 during cmake processing (thanks * Strengthen version determination for Libidn2 during cmake processing (thanks
jpbion). jpbion).

6
src/openssl/tls.c
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@ -320,6 +320,10 @@ void _getdns_tls_init()
#endif #endif
} }
#define DOT_PROTO_ALPN_ID "dot"
#define DOT_PROTO_ALPN "\x3" DOT_PROTO_ALPN_ID
#define DOT_PROTO_ALPN_LEN (sizeof(DOT_PROTO_ALPN) - 1)
_getdns_tls_context* _getdns_tls_context_new(struct mem_funcs* mfs, const getdns_log_config* log) _getdns_tls_context* _getdns_tls_context_new(struct mem_funcs* mfs, const getdns_log_config* log)
{ {
_getdns_tls_context* res; _getdns_tls_context* res;
@ -348,6 +352,8 @@ _getdns_tls_context* _getdns_tls_context_new(struct mem_funcs* mfs, const getdns
GETDNS_FREE(*mfs, res); GETDNS_FREE(*mfs, res);
return NULL; return NULL;
} }
SSL_CTX_set_alpn_protos(res->ssl, (const uint8_t *)DOT_PROTO_ALPN,
DOT_PROTO_ALPN_LEN);
return res; return res;
} }