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Hakase
2019-03-07 13:14:32 +09:00
parent 25fbda8e8b
commit ee0cf37f98
226 changed files with 20407 additions and 2210 deletions
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ssl/statem/extensions_clnt.c
+23 -13
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@@ -996,7 +996,7 @@ EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
const EVP_MD *handmd = NULL, *mdres = NULL, *mdpsk = NULL;
int dores = 0;
s->session->ext.tick_identity = TLSEXT_PSK_BAD_IDENTITY;
s->ext.tick_identity = 0;
/*
* Note: At this stage of the code we only support adding a single
@@ -1086,6 +1086,7 @@ EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
agems += s->session->ext.tick_age_add;
reshashsize = EVP_MD_size(mdres);
s->ext.tick_identity++;
dores = 1;
}
@@ -1145,6 +1146,7 @@ EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->ext.tick_identity++;
}
if (!WPACKET_close(pkt)
@@ -1183,11 +1185,6 @@ EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
return EXT_RETURN_FAIL;
}
if (dores)
s->session->ext.tick_identity = 0;
if (s->psksession != NULL)
s->psksession->ext.tick_identity = (dores ? 1 : 0);
return EXT_RETURN_SENT;
#else
return EXT_RETURN_NOT_SENT;
@@ -1932,8 +1929,7 @@ int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context,
}
if (!s->ext.early_data_ok
|| !s->hit
|| s->session->ext.tick_identity != 0) {
|| !s->hit) {
/*
* If we get here then we didn't send early data, or we didn't resume
* using the first identity, or the SNI/ALPN is not consistent so the
@@ -1961,17 +1957,28 @@ int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
return 0;
}
if (s->session->ext.tick_identity == (int)identity) {
if (identity >= (unsigned int)s->ext.tick_identity) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PARSE_STOC_PSK,
SSL_R_BAD_PSK_IDENTITY);
return 0;
}
/*
* Session resumption tickets are always sent before PSK tickets. If the
* ticket index is 0 then it must be for a session resumption ticket if we
* sent two tickets, or if we didn't send a PSK ticket.
*/
if (identity == 0 && (s->psksession == NULL || s->ext.tick_identity == 2)) {
s->hit = 1;
SSL_SESSION_free(s->psksession);
s->psksession = NULL;
return 1;
}
if (s->psksession == NULL
|| s->psksession->ext.tick_identity != (int)identity) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PARSE_STOC_PSK,
SSL_R_BAD_PSK_IDENTITY);
if (s->psksession == NULL) {
/* Should never happen */
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PARSE_STOC_PSK,
ERR_R_INTERNAL_ERROR);
return 0;
}
@@ -1990,6 +1997,9 @@ int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
s->session = s->psksession;
s->psksession = NULL;
s->hit = 1;
/* Early data is only allowed if we used the first ticket */
if (identity != 0)
s->ext.early_data_ok = 0;
#endif
return 1;