New function and options to check OCSP response validity.
[openssl.git] / apps / ocsp.c
index 723e0dc..ba456fc 100644 (file)
 #include <openssl/ssl.h>
 #include "apps.h"
 
+/* Maximum leeway in validity period: default 5 minutes */
+#define MAX_VALIDITY_PERIOD    (5 * 60)
+
 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
                                STACK_OF(OCSP_CERTID) *ids);
 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
                                STACK_OF(OCSP_CERTID) *ids);
 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
-                               STACK *names, STACK_OF(OCSP_CERTID) *ids);
+                               STACK *names, STACK_OF(OCSP_CERTID) *ids,
+                               long nsec, long maxage);
 
 #undef PROG
 #define PROG ocsp_main
@@ -94,6 +98,7 @@ int MAIN(int argc, char **argv)
        BIO *cbio = NULL, *derbio = NULL;
        BIO *out = NULL;
        int req_text = 0, resp_text = 0;
+       long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
        char *CAfile = NULL, *CApath = NULL;
        X509_STORE *store = NULL;
        SSL_CTX *ctx = NULL;
@@ -247,6 +252,38 @@ int MAIN(int argc, char **argv)
                                }
                        else badarg = 1;
                        }
+               else if (!strcmp (*args, "-validity_period"))
+                       {
+                       if (args[1])
+                               {
+                               args++;
+                               nsec = atol(*args);
+                               if (nsec < 0)
+                                       {
+                                       BIO_printf(bio_err,
+                                               "Illegal validity period %s\n",
+                                               *args);
+                                       badarg = 1;
+                                       }
+                               }
+                       else badarg = 1;
+                       }
+               else if (!strcmp (*args, "-status_age"))
+                       {
+                       if (args[1])
+                               {
+                               args++;
+                               maxage = atol(*args);
+                               if (maxage < 0)
+                                       {
+                                       BIO_printf(bio_err,
+                                               "Illegal validity age %s\n",
+                                               *args);
+                                       badarg = 1;
+                                       }
+                               }
+                       else badarg = 1;
+                       }
                 else if (!strcmp(*args, "-signkey"))
                        {
                        if (args[1])
@@ -356,6 +393,8 @@ int MAIN(int argc, char **argv)
                BIO_printf (bio_err, "-CApath dir        trusted certificates directory\n");
                BIO_printf (bio_err, "-CAfile file       trusted certificates file\n");
                BIO_printf (bio_err, "-VAfile file       validator certificates file\n");
+               BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
+               BIO_printf (bio_err, "-status_age n      maximum status age in seconds\n");
                BIO_printf (bio_err, "-noverify          don't verify response at all\n");
                BIO_printf (bio_err, "-verify_certs file additional certificates to search for signer\n");
                BIO_printf (bio_err, "-trust_other       don't verify additional certificates\n");
@@ -564,7 +603,7 @@ int MAIN(int argc, char **argv)
 
                }
 
-       if (!print_ocsp_summary(out, bs, req, reqnames, ids))
+       if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
                goto end;
 
        ret = 0;
@@ -652,7 +691,8 @@ static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
        }
 
 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
-                                       STACK *names, STACK_OF(OCSP_CERTID) *ids)
+                                       STACK *names, STACK_OF(OCSP_CERTID) *ids,
+                                       long nsec, long maxage)
        {
        OCSP_CERTID *id;
        char *name;
@@ -677,6 +717,15 @@ static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
                        BIO_puts(out, "ERROR: No Status found.\n");
                        continue;
                        }
+
+               /* Check validity: if invalid write to output BIO so we
+                * know which response this refers to.
+                */
+               if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
+                       {
+                       BIO_puts(out, "WARNING: Status times invalid.\n");
+                       ERR_print_errors(out);
+                       }
                BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
 
                BIO_puts(out, "\tThis Update: ");