# HG changeset patch
# User Nate Karstens <nate.karstens@garmin.com>
# Date 1501265895 18000
# Fri Jul 28 13:18:15 2017 -0500
# Node ID 00a1466fe33b8969ef765d8d0547dfbc7c97dd4e
# Parent 9537b7d299131e41a3f5993257000d328e28b117
SSL: add PSK identity variable.

Adds the variable $ssl_psk_identity to get the PSK identity
used in a connnection secured with a PSK cipher suite.

Signed-off-by: Nate Karstens <nate.karstens@garmin.com>

diff -r 9537b7d29913 -r 00a1466fe33b src/event/ngx_event_openssl.c
--- a/src/event/ngx_event_openssl.c Fri Jul 28 13:17:29 2017 -0500
+++ b/src/event/ngx_event_openssl.c Fri Jul 28 13:18:15 2017 -0500
@@ -4249,6 +4249,22 @@ ngx_ssl_get_client_v_remain(ngx_connecti
}


+ngx_int_t
+ngx_ssl_get_psk_identity(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
+{
+ const char *identity;
+
+ identity = SSL_get_psk_identity(c->ssl->connection);
+
+ if (identity) {
+ s->data = (u_char *) identity;
+ s->len = ngx_strlen(identity);
+ }
+
+ return NGX_OK;
+}
+
+
static time_t
ngx_ssl_parse_time(
#if OPENSSL_VERSION_NUMBER > 0x10100000L
diff -r 9537b7d29913 -r 00a1466fe33b src/event/ngx_event_openssl.h
--- a/src/event/ngx_event_openssl.h Fri Jul 28 13:17:29 2017 -0500
+++ b/src/event/ngx_event_openssl.h Fri Jul 28 13:18:15 2017 -0500
@@ -233,6 +233,8 @@ ngx_int_t ngx_ssl_get_client_v_end(ngx_c
ngx_str_t *s);
ngx_int_t ngx_ssl_get_client_v_remain(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *s);
+ngx_int_t ngx_ssl_get_psk_identity(ngx_connection_t *c, ngx_pool_t *pool,
+ ngx_str_t *s);


ngx_int_t ngx_ssl_handshake(ngx_connection_t *c);
diff -r 9537b7d29913 -r 00a1466fe33b src/http/modules/ngx_http_ssl_module.c
--- a/src/http/modules/ngx_http_ssl_module.c Fri Jul 28 13:17:29 2017 -0500
+++ b/src/http/modules/ngx_http_ssl_module.c Fri Jul 28 13:18:15 2017 -0500
@@ -336,6 +336,9 @@ static ngx_http_variable_t ngx_http_ssl
{ ngx_string("ssl_client_v_remain"), NULL, ngx_http_ssl_variable,
(uintptr_t) ngx_ssl_get_client_v_remain, NGX_HTTP_VAR_CHANGEABLE, 0 },

+ { ngx_string("ssl_psk_identity"), NULL, ngx_http_ssl_variable,
+ (uintptr_t) ngx_ssl_get_psk_identity, NGX_HTTP_VAR_CHANGEABLE, 0 },
+
{ ngx_null_string, NULL, NULL, 0, 0, 0 }
};


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