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GnutTLS: TLS 1.3 support

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Closes #2971
This commit is contained in:
Loganaden Velvindron 2018-09-10 22:35:38 +04:00 committed by Daniel Stenberg
parent e968029b4d
commit 9bdadbbdee
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 62 additions and 9 deletions
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71
lib/vtls/gtls.c
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@ -94,6 +94,10 @@ static bool gtls_inited = FALSE;
# endif
#endif
#if (GNUTLS_VERSION_NUMBER >= 0x030603)
#define HAS_TLS13
#endif
#ifdef HAS_OCSP
# include <gnutls/ocsp.h>
#endif
@ -391,6 +395,9 @@ set_ssl_version_min_max(int *list, size_t list_size, struct connectdata *conn)
switch(ssl_version_max) {
case CURL_SSLVERSION_MAX_NONE:
case CURL_SSLVERSION_MAX_DEFAULT:
#ifdef HAS_TLS13
ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_3;
#endif
ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
break;
}
@ -408,8 +415,13 @@ set_ssl_version_min_max(int *list, size_t list_size, struct connectdata *conn)
protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_2;
break;
case CURL_SSLVERSION_TLSv1_3:
#ifdef HAS_TLS13
protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_3;
break;
#else
failf(data, "GnuTLS: TLS 1.3 is not yet supported");
return CURLE_SSL_CONNECT_ERROR;
#endif
}
}
return CURLE_OK;
@ -427,11 +439,7 @@ set_ssl_version_min_max(const char **prioritylist, struct connectdata *conn)
struct Curl_easy *data = conn->data;
long ssl_version = SSL_CONN_CONFIG(version);
long ssl_version_max = SSL_CONN_CONFIG(version_max);
if(ssl_version == CURL_SSLVERSION_TLSv1_3 ||
ssl_version_max == CURL_SSLVERSION_MAX_TLSv1_3) {
failf(data, "GnuTLS: TLS 1.3 is not yet supported");
return CURLE_SSL_CONNECT_ERROR;
}
if(ssl_version_max == CURL_SSLVERSION_MAX_NONE) {
ssl_version_max = CURL_SSLVERSION_MAX_DEFAULT;
}
@ -445,7 +453,6 @@ set_ssl_version_min_max(const char **prioritylist, struct connectdata *conn)
"+VERS-TLS1.0:+VERS-TLS1.1:" GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_TLSv1_2:
case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.0:+VERS-TLS1.1:+VERS-TLS1.2:" GNUTLS_SRP;
return CURLE_OK;
@ -454,15 +461,54 @@ set_ssl_version_min_max(const char **prioritylist, struct connectdata *conn)
"+VERS-TLS1.1:" GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_TLSv1_2:
case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.1:+VERS-TLS1.2:" GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_2 | CURL_SSLVERSION_MAX_TLSv1_2:
case CURL_SSLVERSION_TLSv1_2 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.2:" GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_3 | CURL_SSLVERSION_MAX_TLSv1_3:
#ifdef HAS_TLS13
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.3:" GNUTLS_SRP;
return CURLE_OK;
#else
failf(data, "GnuTLS: TLS 1.3 is not yet supported");
return CURLE_SSL_CONNECT_ERROR;
#endif
case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.0:+VERS-TLS1.1:+VERS-TLS1.2:"
#ifdef HAS_TLS13
"+VERS-TLS1.3:"
#endif
GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.1:+VERS-TLS1.2:"
#ifdef HAS_TLS13
"+VERS-TLS1.3:"
#endif
GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_2 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.2:"
#ifdef HAS_TLS13
"+VERS-TLS1.3:"
#endif
GNUTLS_SRP;
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_3 | CURL_SSLVERSION_MAX_DEFAULT:
*prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
"+VERS-TLS1.2:"
#ifdef HAS_TLS13
"+VERS-TLS1.3:"
#endif
GNUTLS_SRP;
return CURLE_OK;
}
failf(data, "GnuTLS: cannot set ssl protocol");
@ -675,6 +721,9 @@ gtls_connect_step1(struct connectdata *conn,
protocol_priority[0] = GNUTLS_TLS1_0;
protocol_priority[1] = GNUTLS_TLS1_1;
protocol_priority[2] = GNUTLS_TLS1_2;
#ifdef HAS_TLS13
protocol_priority[3] = GNUTLS_TLS1_3;
#endif
break;
case CURL_SSLVERSION_TLSv1_0:
case CURL_SSLVERSION_TLSv1_1:
@ -711,7 +760,11 @@ gtls_connect_step1(struct connectdata *conn,
break;
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:" GNUTLS_SRP;
prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:"
#ifdef HAS_TLS13
"+VERS-TLS1.3:"
#endif
GNUTLS_SRP;
break;
case CURL_SSLVERSION_TLSv1_0:
case CURL_SSLVERSION_TLSv1_1: