update FAQ
[openssl.git] / apps / apps.c
index b378836066ad39d56950ea38601edb3486596dd9..c5a3bb27e476b4ca8b23760c2cf93e52ed954cba 100644 (file)
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
+#if !defined(OPENSSL_SYSNAME_WIN32) && !defined(OPENSSL_SYSNAME_WINCE) && !defined(NETWARE_CLIB)
 #include <strings.h>
 #endif
 #include <sys/types.h>
@@ -929,7 +929,7 @@ end:
        return(x);
        }
 
-X509_CRL *load_crl(char *infile, int format)
+X509_CRL *load_crl(const char *infile, int format)
        {
        X509_CRL *x=NULL;
        BIO *in=NULL;
@@ -2251,7 +2251,7 @@ X509_NAME *parse_name(char *subject, long chtype, int multirdn)
        X509_NAME *n = NULL;
        int nid;
 
-       if (!buf || !ne_types || !ne_values)
+       if (!buf || !ne_types || !ne_values || !mval)
                {
                BIO_printf(bio_err, "malloc error\n");
                goto error;
@@ -2355,6 +2355,7 @@ X509_NAME *parse_name(char *subject, long chtype, int multirdn)
        OPENSSL_free(ne_values);
        OPENSSL_free(ne_types);
        OPENSSL_free(buf);
+       OPENSSL_free(mval);
        return n;
 
 error:
@@ -2363,6 +2364,8 @@ error:
                OPENSSL_free(ne_values);
        if (ne_types)
                OPENSSL_free(ne_types);
+       if (mval)
+               OPENSSL_free(mval);
        if (buf)
                OPENSSL_free(buf);
        return NULL;
@@ -2379,6 +2382,8 @@ int args_verify(char ***pargs, int *pargc,
        char *arg = **pargs, *argn = (*pargs)[1];
        const X509_VERIFY_PARAM *vpm = NULL;
        time_t at_time = 0;
+       const unsigned char *hostname = NULL, *email = NULL;
+       char *ipasc = NULL;
        if (!strcmp(arg, "-policy"))
                {
                if (!argn)
@@ -2467,6 +2472,27 @@ int args_verify(char ***pargs, int *pargc,
                        }
                (*pargs)++;
                }
+       else if (strcmp(arg,"-verify_hostname") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               hostname = (unsigned char *)argn;
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-verify_email") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               email = (unsigned char *)argn;
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-verify_ip") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               ipasc = argn;
+               (*pargs)++;
+               }
        else if (!strcmp(arg, "-ignore_critical"))
                flags |= X509_V_FLAG_IGNORE_CRITICAL;
        else if (!strcmp(arg, "-issuer_checks"))
@@ -2501,6 +2527,8 @@ int args_verify(char ***pargs, int *pargc,
                flags |= X509_V_FLAG_SUITEB_128_LOS;
        else if (!strcmp(arg, "-suiteB_192"))
                flags |= X509_V_FLAG_SUITEB_192_LOS;
+       else if (!strcmp(arg, "-partial_chain"))
+               flags |= X509_V_FLAG_PARTIAL_CHAIN;
        else
                return 0;
 
@@ -2535,6 +2563,15 @@ int args_verify(char ***pargs, int *pargc,
        if (at_time) 
                X509_VERIFY_PARAM_set_time(*pm, at_time);
 
+       if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
+               *badarg = 1;
+
+       if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
+               *badarg = 1;
+
+       if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
+               *badarg = 1;
+
        end:
 
        (*pargs)++;
@@ -2827,6 +2864,9 @@ void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
 
        BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
 
+       if (psk_key)
+               OPENSSL_free(psk_key);
+
        psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
 
        BIO_pop(bconn);
@@ -2856,6 +2896,9 @@ void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
 
        BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
 
+       if (psk_key)
+               OPENSSL_free(psk_key);
+
        psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
 
        BIO_pop(bconn);
@@ -2866,7 +2909,7 @@ void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
 
 #endif
 
-#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+#ifndef OPENSSL_NO_TLSEXT
 /* next_protos_parse parses a comma separated list of strings into a string
  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
  *   outlen: (output) set to the length of the resulting buffer on success.
@@ -2908,7 +2951,7 @@ unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
        *outlen = len + 1;
        return out;
        }
-#endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
+#endif  /* ndef OPENSSL_NO_TLSEXT */
 
 void print_cert_checks(BIO *bio, X509 *x,
                                const unsigned char *checkhost,
@@ -2939,6 +2982,83 @@ void print_cert_checks(BIO *bio, X509 *x,
                }
        }
 
+/* Get first http URL from a DIST_POINT structure */
+
+static const char *get_dp_url(DIST_POINT *dp)
+       {
+       GENERAL_NAMES *gens;
+       GENERAL_NAME *gen;
+       int i, gtype;
+       ASN1_STRING *uri;
+       if (!dp->distpoint || dp->distpoint->type != 0)
+               return NULL;
+       gens = dp->distpoint->name.fullname;
+       for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
+               {
+               gen = sk_GENERAL_NAME_value(gens, i);
+               uri = GENERAL_NAME_get0_value(gen, &gtype);
+               if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6)
+                       {
+                       char *uptr = (char *)ASN1_STRING_data(uri);
+                       if (!strncmp(uptr, "http://", 7))
+                               return uptr;
+                       }
+               }               
+       return NULL;
+       }
+               
+
+/* Look through a CRLDP structure and attempt to find an http URL to downloads
+ * a CRL from.
+ */
+
+static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
+       {
+       int i;
+       const char *urlptr = NULL;
+       for (i = 0; i < sk_DIST_POINT_num(crldp); i++)
+               {
+               DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
+               urlptr = get_dp_url(dp);
+               if (urlptr)
+                       return load_crl(urlptr, FORMAT_HTTP);
+               }
+       return NULL;
+       }
+
+/* Example of downloading CRLs from CRLDP: not usable for real world
+ * as it always downloads, doesn't support non-blocking I/O and doesn't
+ * cache anything.
+ */
+
+static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
+       {
+       X509 *x;
+       STACK_OF(X509_CRL) *crls = NULL;
+       X509_CRL *crl;
+       STACK_OF(DIST_POINT) *crldp;
+       x = X509_STORE_CTX_get_current_cert(ctx);
+       crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
+       crl = load_crl_crldp(crldp);
+       sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
+       if (!crl)
+               return NULL;
+       crls = sk_X509_CRL_new_null();
+       sk_X509_CRL_push(crls, crl);
+       /* Try to download delta CRL */
+       crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
+       crl = load_crl_crldp(crldp);
+       sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
+       if (crl)
+               sk_X509_CRL_push(crls, crl);
+       return crls;
+       }
+
+void store_setup_crl_download(X509_STORE *st)
+       {
+       X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
+       }
+
 /*
  * Platform-specific sections
  */