mirror of
https://github.com/kakwa/uts-server
synced 2025-01-05 19:33:33 +01:00
including the glue for timestamping
This commit is contained in:
kakwa
parent
f97be14a14
commit
a61174ec68
@ -1,81 +1,411 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <civetweb.h>
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#include <openssl/opensslconf.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/rand.h>
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#include <openssl/ts.h>
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#include <openssl/bn.h>
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#include <civetweb.h>
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/* Name of config entry that defines the OID file. */
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# define ENV_OID_FILE "oid_file"
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static ASN1_OBJECT *txt2obj(const char *oid);
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static CONF *load_config_file(const char *configfile);
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/* Reply related functions. */
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static int reply_command(CONF *conf, char *section, char *engine,
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char *queryfile, char *passin, char *inkey,
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const EVP_MD *md, char *signer, char *chain,
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const char *policy, char *in, int token_in,
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char *out, int token_out, int text);
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static TS_RESP *read_PKCS7(BIO *in_bio);
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static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
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char *queryfile, char *passin,
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char *inkey, const EVP_MD *md, char *signer,
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char *chain, const char *policy);
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static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data);
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static ASN1_INTEGER *next_serial(const char *serialfile);
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static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial);
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# define B_FORMAT_TEXT 0x8000
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# define FORMAT_UNDEF 0
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# define FORMAT_TEXT (1 | B_FORMAT_TEXT) /* Generic text */
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# define FORMAT_ASN1 4 /* ASN.1/DER */
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/*
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int ts_http_respond(short event, ad_conn_t *conn, void *userdata) {
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if (event & AD_EVENT_READ) {
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if (ad_http_get_status(conn) == AD_HTTP_REQ_DONE) {
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ad_http_response(conn, 200, "text/html", "Hello World", 11);
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return ad_http_is_keepalive_request(conn) ? AD_DONE : AD_CLOSE;
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}
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}
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return AD_OK;
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}
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int ts_http_respond(short event, ad_conn_t *conn, void *userdata) {
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if (event & AD_EVENT_READ) {
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if (ad_http_get_status(conn) == AD_HTTP_REQ_DONE) {
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ad_http_response(conn, 200, "text/html", "Hello World", 11);
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return ad_http_is_keepalive_request(conn) ? AD_DONE : AD_CLOSE;
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}
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}
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return AD_OK;
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}
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int http_default_handler(short event, ad_conn_t *conn, void *userdata) {
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if (event & AD_EVENT_READ) {
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if (ad_http_get_status(conn) == AD_HTTP_REQ_DONE) {
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ad_http_response(conn, 501, "text/html", "Not implemented", 15);
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return AD_CLOSE; // Close connection.
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}
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}
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return AD_OK;
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}
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*/
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int http_default_handler(short event, ad_conn_t *conn, void *userdata) {
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if (event & AD_EVENT_READ) {
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if (ad_http_get_status(conn) == AD_HTTP_REQ_DONE) {
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ad_http_response(conn, 501, "text/html", "Not implemented", 15);
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return AD_CLOSE; // Close connection.
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}
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}
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return AD_OK;
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}
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*/
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// This function will be called by civetweb on every new request.
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static int begin_request_handler(struct mg_connection *conn)
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{
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const struct mg_request_info *request_info = mg_get_request_info(conn);
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char content[100];
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const struct mg_request_info *request_info = mg_get_request_info(conn);
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char content[100];
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// Prepare the message we're going to send
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int content_length = snprintf(content, sizeof(content),
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"Hello from civetweb! Remote port: %d",
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request_info->remote_port);
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// Prepare the message we're going to send
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int content_length = snprintf(content, sizeof(content),
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"Hello from civetweb! Remote port: %d",
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request_info->remote_port);
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// Send HTTP reply to the client
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mg_printf(conn,
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"HTTP/1.1 200 OK\r\n"
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"Content-Type: text/plain\r\n"
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"Content-Length: %d\r\n" // Always set Content-Length
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"\r\n"
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"%s",
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content_length, content);
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// Send HTTP reply to the client
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mg_printf(conn,
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"HTTP/1.1 200 OK\r\n"
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"Content-Type: text/plain\r\n"
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"Content-Length: %d\r\n" // Always set Content-Length
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"\r\n"
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"%s",
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content_length, content);
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// Returning non-zero tells civetweb that our function has replied to
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// the client, and civetweb should not send client any more data.
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return 1;
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// Returning non-zero tells civetweb that our function has replied to
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// the client, and civetweb should not send client any more data.
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return 1;
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}
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int http_server_start() {
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struct mg_context *ctx;
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struct mg_callbacks callbacks;
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struct mg_context *ctx;
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struct mg_callbacks callbacks;
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// List of options. Last element must be NULL.
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const char *options[] = {"listening_ports", "8080", NULL};
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// List of options. Last element must be NULL.
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const char *options[] = {"listening_ports", "8080", NULL};
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// Prepare callbacks structure. We have only one callback, the rest are NULL.
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memset(&callbacks, 0, sizeof(callbacks));
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callbacks.begin_request = begin_request_handler;
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// Prepare callbacks structure. We have only one callback, the rest are NULL.
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memset(&callbacks, 0, sizeof(callbacks));
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callbacks.begin_request = begin_request_handler;
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// Start the web server.
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ctx = mg_start(&callbacks, NULL, options);
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// Start the web server.
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ctx = mg_start(&callbacks, NULL, options);
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// Wait until user hits "enter". Server is running in separate thread.
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// Navigating to http://localhost:8080 will invoke begin_request_handler().
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getchar();
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// Wait until user hits "enter". Server is running in separate thread.
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// Navigating to http://localhost:8080 will invoke begin_request_handler().
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getchar();
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// Stop the server.
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mg_stop(ctx);
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// Stop the server.
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mg_stop(ctx);
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return 0;
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return 0;
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}
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/*
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* Configuration file-related function definitions.
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*/
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static ASN1_OBJECT *txt2obj(const char *oid)
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{
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ASN1_OBJECT *oid_obj = NULL;
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if ((oid_obj = OBJ_txt2obj(oid, 0)) == NULL)
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// BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
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return oid_obj;
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}
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//static CONF *load_config_file(const char *configfile)
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//{
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// CONF *conf = app_load_config(configfile);
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//
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// if (conf != NULL) {
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// const char *p;
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//
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//// BIO_printf(bio_err, "Using configuration from %s\n", configfile);
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// p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
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// if (p != NULL) {
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// BIO *oid_bio = BIO_new_file(p, "r");
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// if (!oid_bio)
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// ERR_print_errors(bio_err);
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// else {
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// OBJ_create_objects(oid_bio);
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// BIO_free_all(oid_bio);
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// }
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// } else
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// ERR_clear_error();
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// if (!add_oid_section(conf))
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// ERR_print_errors(bio_err);
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// }
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// return conf;
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//}
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/*
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* Reply-related method definitions.
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*/
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static int reply_command(CONF *conf, char *section, char *engine,
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char *queryfile, char *passin, char *inkey,
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const EVP_MD *md, char *signer, char *chain,
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const char *policy, char *in, int token_in,
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char *out, int token_out, int text)
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{
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int ret = 0;
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TS_RESP *response = NULL;
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BIO *in_bio = NULL;
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BIO *query_bio = NULL;
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BIO *inkey_bio = NULL;
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BIO *signer_bio = NULL;
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BIO *out_bio = NULL;
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BIO *bio_err;
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if (in != NULL) {
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if ((in_bio = BIO_new_file(in, "rb")) == NULL)
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goto end;
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if (token_in) {
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response = read_PKCS7(in_bio);
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} else {
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response = d2i_TS_RESP_bio(in_bio, NULL);
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}
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} else {
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response = create_response(conf, section, engine, queryfile,
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passin, inkey, md, signer, chain, policy);
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// if (response)
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// BIO_printf(bio_err, "Response has been generated.\n");
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// else
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// BIO_printf(bio_err, "Response is not generated.\n");
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}
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if (response == NULL)
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goto end;
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/* Write response. */
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if (text) {
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// if ((out_bio = bio_open_default(out, 'w', FORMAT_TEXT)) == NULL)
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// goto end;
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if (token_out) {
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TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
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if (!TS_TST_INFO_print_bio(out_bio, tst_info))
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goto end;
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} else {
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if (!TS_RESP_print_bio(out_bio, response))
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goto end;
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}
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} else {
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// if ((out_bio = bio_open_default(out, 'w', FORMAT_ASN1)) == NULL)
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// goto end;
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if (token_out) {
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PKCS7 *token = TS_RESP_get_token(response);
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if (!i2d_PKCS7_bio(out_bio, token))
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goto end;
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} else {
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if (!i2d_TS_RESP_bio(out_bio, response))
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goto end;
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}
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}
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ret = 1;
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end:
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ERR_print_errors(bio_err);
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BIO_free_all(in_bio);
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BIO_free_all(query_bio);
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BIO_free_all(inkey_bio);
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BIO_free_all(signer_bio);
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BIO_free_all(out_bio);
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TS_RESP_free(response);
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return ret;
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}
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/* Reads a PKCS7 token and adds default 'granted' status info to it. */
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static TS_RESP *read_PKCS7(BIO *in_bio)
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{
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int ret = 0;
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PKCS7 *token = NULL;
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TS_TST_INFO *tst_info = NULL;
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TS_RESP *resp = NULL;
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TS_STATUS_INFO *si = NULL;
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if ((token = d2i_PKCS7_bio(in_bio, NULL)) == NULL)
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goto end;
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if ((tst_info = PKCS7_to_TS_TST_INFO(token)) == NULL)
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goto end;
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if ((resp = TS_RESP_new()) == NULL)
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goto end;
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if ((si = TS_STATUS_INFO_new()) == NULL)
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goto end;
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// if (!TS_STATUS_INFO_set_status(si, TS_STATUS_GRANTED))
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// goto end;
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if (!TS_RESP_set_status_info(resp, si))
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goto end;
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TS_RESP_set_tst_info(resp, token, tst_info);
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token = NULL; /* Ownership is lost. */
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tst_info = NULL; /* Ownership is lost. */
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ret = 1;
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end:
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PKCS7_free(token);
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TS_TST_INFO_free(tst_info);
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if (!ret) {
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TS_RESP_free(resp);
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resp = NULL;
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}
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TS_STATUS_INFO_free(si);
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return resp;
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}
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static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
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char *queryfile, char *passin,
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char *inkey, const EVP_MD *md, char *signer,
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char *chain, const char *policy)
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{
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int ret = 0;
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TS_RESP *response = NULL;
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BIO *query_bio = NULL;
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TS_RESP_CTX *resp_ctx = NULL;
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if ((query_bio = BIO_new_file(queryfile, "rb")) == NULL)
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goto end;
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if ((section = TS_CONF_get_tsa_section(conf, section)) == NULL)
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goto end;
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if ((resp_ctx = TS_RESP_CTX_new()) == NULL)
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goto end;
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if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx))
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goto end;
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# ifndef OPENSSL_NO_ENGINE
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if (!TS_CONF_set_crypto_device(conf, section, engine))
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goto end;
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# endif
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if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx))
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goto end;
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if (!TS_CONF_set_certs(conf, section, chain, resp_ctx))
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goto end;
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if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
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goto end;
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// if (md) {
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// if (!TS_RESP_CTX_set_signer_digest(resp_ctx, md))
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// goto end;
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// } else if (!TS_CONF_set_signer_digest(conf, section, NULL, resp_ctx)) {
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// goto end;
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// }
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if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx))
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goto end;
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if (!TS_CONF_set_policies(conf, section, resp_ctx))
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goto end;
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if (!TS_CONF_set_digests(conf, section, resp_ctx))
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goto end;
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if (!TS_CONF_set_accuracy(conf, section, resp_ctx))
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goto end;
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if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
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goto end;
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if (!TS_CONF_set_ordering(conf, section, resp_ctx))
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goto end;
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if (!TS_CONF_set_tsa_name(conf, section, resp_ctx))
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goto end;
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||||
if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx))
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goto end;
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if ((response = TS_RESP_create_response(resp_ctx, query_bio)) == NULL)
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goto end;
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ret = 1;
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||||
end:
|
||||
if (!ret) {
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TS_RESP_free(response);
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response = NULL;
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}
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TS_RESP_CTX_free(resp_ctx);
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BIO_free_all(query_bio);
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return response;
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}
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||||
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||||
static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data)
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||||
{
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||||
const char *serial_file = (const char *)data;
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ASN1_INTEGER *serial = next_serial(serial_file);
|
||||
|
||||
if (!serial) {
|
||||
TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
||||
"Error during serial number "
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||||
"generation.");
|
||||
TS_RESP_CTX_add_failure_info(ctx, TS_INFO_ADD_INFO_NOT_AVAILABLE);
|
||||
} else
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save_ts_serial(serial_file, serial);
|
||||
|
||||
return serial;
|
||||
}
|
||||
|
||||
static ASN1_INTEGER *next_serial(const char *serialfile)
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{
|
||||
int ret = 0;
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||||
BIO *in = NULL;
|
||||
ASN1_INTEGER *serial = NULL;
|
||||
BIGNUM *bn = NULL;
|
||||
|
||||
if ((serial = ASN1_INTEGER_new()) == NULL)
|
||||
goto err;
|
||||
|
||||
if ((in = BIO_new_file(serialfile, "r")) == NULL) {
|
||||
ERR_clear_error();
|
||||
// BIO_printf(bio_err, "Warning: could not open file %s for "
|
||||
// "reading, using serial number: 1\n", serialfile);
|
||||
if (!ASN1_INTEGER_set(serial, 1))
|
||||
goto err;
|
||||
} else {
|
||||
char buf[1024];
|
||||
if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) {
|
||||
// BIO_printf(bio_err, "unable to load number from %s\n",
|
||||
// serialfile);
|
||||
goto err;
|
||||
}
|
||||
if ((bn = ASN1_INTEGER_to_BN(serial, NULL)) == NULL)
|
||||
goto err;
|
||||
ASN1_INTEGER_free(serial);
|
||||
serial = NULL;
|
||||
if (!BN_add_word(bn, 1))
|
||||
goto err;
|
||||
if ((serial = BN_to_ASN1_INTEGER(bn, NULL)) == NULL)
|
||||
goto err;
|
||||
}
|
||||
ret = 1;
|
||||
|
||||
err:
|
||||
if (!ret) {
|
||||
ASN1_INTEGER_free(serial);
|
||||
serial = NULL;
|
||||
}
|
||||
BIO_free_all(in);
|
||||
BN_free(bn);
|
||||
return serial;
|
||||
}
|
||||
|
||||
static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial)
|
||||
{
|
||||
int ret = 0;
|
||||
BIO *out = NULL;
|
||||
|
||||
if ((out = BIO_new_file(serialfile, "w")) == NULL)
|
||||
goto err;
|
||||
if (i2a_ASN1_INTEGER(out, serial) <= 0)
|
||||
goto err;
|
||||
if (BIO_puts(out, "\n") <= 0)
|
||||
goto err;
|
||||
ret = 1;
|
||||
err:
|
||||
if (!ret)
|
||||
// BIO_printf(bio_err, "could not save serial number to %s\n",
|
||||
// serialfile);
|
||||
BIO_free_all(out);
|
||||
return ret;
|
||||
}
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user