# HG changeset patch
# User Nate Karstens <nate.karstens@garmin.com>
# Date 1498137207 18000
# Thu Jun 22 08:13:27 2017 -0500
# Node ID a4635fa4a0cabf5312cda617b8010ea14279ab1c
# Parent 3fb3c4928d06029ca1d57853a163c9f56fa90bca
PSK: 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 3fb3c4928d06 -r a4635fa4a0ca src/event/ngx_event_openssl.c
--- a/src/event/ngx_event_openssl.c Thu Jun 22 08:13:00 2017 -0500
+++ b/src/event/ngx_event_openssl.c Thu Jun 22 08:13:27 2017 -0500
@@ -4147,6 +4147,33 @@
}


+ngx_int_t
+ngx_ssl_get_psk_identity(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
+{
+ const char *identity;
+ size_t len;
+
+ identity = SSL_get_psk_identity(c->ssl->connection);
+
+ if (identity == NULL) {
+ s->len = 0;
+ return NGX_OK;
+ }
+
+ len = ngx_strlen(identity);
+
+ s->data = ngx_pnalloc(pool, len);
+ if (s->data == NULL) {
+ return NGX_ERROR;
+ }
+
+ ngx_memcpy(s->data, identity, len);
+ s->len = len;
+
+ return NGX_OK;
+}
+
+
static time_t
ngx_ssl_parse_time(
#if OPENSSL_VERSION_NUMBER > 0x10100000L
diff -r 3fb3c4928d06 -r a4635fa4a0ca src/event/ngx_event_openssl.h
--- a/src/event/ngx_event_openssl.h Thu Jun 22 08:13:00 2017 -0500
+++ b/src/event/ngx_event_openssl.h Thu Jun 22 08:13:27 2017 -0500
@@ -233,6 +233,8 @@
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 3fb3c4928d06 -r a4635fa4a0ca src/http/modules/ngx_http_ssl_module.c
--- a/src/http/modules/ngx_http_ssl_module.c Thu Jun 22 08:13:00 2017 -0500
+++ b/src/http/modules/ngx_http_ssl_module.c Thu Jun 22 08:13:27 2017 -0500
@@ -336,6 +336,9 @@
{ 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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