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SSL: $ssl_client_fingerprint variable.

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This commit is contained in:
Sergey Budnevitch 2014-05-20 14:03:03 +04:00
parent 84409ec8e0
commit 27899a923a
3 changed files with 39 additions and 0 deletions
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34
src/event/ngx_event_openssl.c
View file

@ -2956,6 +2956,40 @@ ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
}
ngx_int_t
ngx_ssl_get_fingerprint(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
{
X509 *cert;
unsigned int len;
u_char buf[EVP_MAX_MD_SIZE];
s->len = 0;
cert = SSL_get_peer_certificate(c->ssl->connection);
if (cert == NULL) {
return NGX_OK;
}
if (!X509_digest(cert, EVP_sha1(), buf, &len)) {
X509_free(cert);
return NGX_ERROR;
}
s->len = 2 * len;
s->data = ngx_pnalloc(pool, 2 * len);
if (s->data == NULL) {
X509_free(cert);
return NGX_ERROR;
}
ngx_hex_dump(s->data, buf, len);
X509_free(cert);
return NGX_OK;
}
ngx_int_t
ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
{

2
src/event/ngx_event_openssl.h
View file

@ -173,6 +173,8 @@ ngx_int_t ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *s);
ngx_int_t ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *s);
ngx_int_t ngx_ssl_get_fingerprint(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *s);
ngx_int_t ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool,
ngx_str_t *s);

3
src/http/modules/ngx_http_ssl_module.c
View file

@ -292,6 +292,9 @@ static ngx_http_variable_t ngx_http_ssl_vars[] = {
{ ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable,
(uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 },
{ ngx_string("ssl_client_fingerprint"), NULL, ngx_http_ssl_variable,
(uintptr_t) ngx_ssl_get_fingerprint, NGX_HTTP_VAR_CHANGEABLE, 0 },
{ ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable,
(uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 },