Imported Upstream version 1.2.3

[nfs-utils.git] / utils / gssd / gss_util.c

diff --git a/utils/gssd/gss_util.c b/utils/gssd/gss_util.c
index 3493280acc050e05756f08f634b28639dccacad6..8fe1e9be316929f8a29072d576c678eb03352089 100644 (file)
--- a/utils/gssd/gss_util.c
+++ b/utils/gssd/gss_util.c
@@ -57,7 +57,11 @@
  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
-#include "config.h"
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
 #include <errno.h>
 #include <stdio.h>
 #include <ctype.h>
@@ -73,6 +77,10 @@
 #include <netdb.h>
 #include <fcntl.h>
 #include <gssapi/gssapi.h>
+#if defined(HAVE_KRB5) && !defined(GSS_C_NT_HOSTBASED_SERVICE)
+#include <gssapi/gssapi_generic.h>
+#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#endif
 #include "gss_util.h"
 #include "err_util.h"
 #include "gssd.h"
@@ -141,6 +149,7 @@ display_status_2(char *m, u_int32_t major, u_int32_t minor, const gss_OID mech)
        char maj_buf[30], min_buf[30];
        char *maj, *min;
        u_int32_t msg_ctx = 0;
+       int msg_verbosity = 0;
 
        /* Get major status message */
        maj_stat1 = gss_display_status(&min_stat1, major,
@@ -164,7 +173,9 @@ display_status_2(char *m, u_int32_t major, u_int32_t minor, const gss_OID mech)
                min = min_gss_buf.value;
        }
 
-       printerr(0, "ERROR: GSS-API: error in %s(): %s - %s\n",
+       if (major == GSS_S_CREDENTIALS_EXPIRED)
+               msg_verbosity = 1;
+       printerr(msg_verbosity, "ERROR: GSS-API: error in %s(): %s - %s\n",
                 m, maj, min);
 
        if (maj_gss_buf.length != 0)
@@ -180,18 +191,19 @@ pgsserr(char *msg, u_int32_t maj_stat, u_int32_t min_stat, const gss_OID mech)
 }
 
 int
-gssd_acquire_cred(char *server_name)
+gssd_acquire_cred(char *server_name, const gss_OID oid)
 {
        gss_buffer_desc name;
        gss_name_t target_name;
        u_int32_t maj_stat, min_stat;
        u_int32_t ignore_maj_stat, ignore_min_stat;
+       gss_buffer_desc pbuf;
 
        name.value = (void *)server_name;
        name.length = strlen(server_name);
 
        maj_stat = gss_import_name(&min_stat, &name,
-                       (const gss_OID) GSS_C_NT_HOSTBASED_SERVICE,
+                       oid,
                        &target_name);
 
        if (maj_stat != GSS_S_COMPLETE) {
@@ -203,10 +215,44 @@ gssd_acquire_cred(char *server_name)
                        GSS_C_NULL_OID_SET, GSS_C_ACCEPT,
                        &gssd_creds, NULL, NULL);
 
-       ignore_maj_stat = gss_release_name(&ignore_min_stat, &target_name);
-
-       if (maj_stat != GSS_S_COMPLETE)
+       if (maj_stat != GSS_S_COMPLETE) {
                pgsserr("gss_acquire_cred", maj_stat, min_stat, g_mechOid);
+               ignore_maj_stat = gss_display_name(&ignore_min_stat,
+                               target_name, &pbuf, NULL);
+               if (ignore_maj_stat == GSS_S_COMPLETE) {
+                       printerr(1, "Unable to obtain credentials for '%.*s'\n",
+                                pbuf.length, pbuf.value);
+                       ignore_maj_stat = gss_release_buffer(&ignore_min_stat,
+                                                            &pbuf);
+               }
+       }
+
+       ignore_maj_stat = gss_release_name(&ignore_min_stat, &target_name);
 
        return (maj_stat == GSS_S_COMPLETE);
 }
+
+int gssd_check_mechs(void)
+{
+       u_int32_t maj_stat, min_stat;
+       gss_OID_set supported_mechs = GSS_C_NO_OID_SET;
+       int retval = -1;
+
+       maj_stat = gss_indicate_mechs(&min_stat, &supported_mechs);
+       if (maj_stat != GSS_S_COMPLETE) {
+               printerr(0, "Unable to obtain list of supported mechanisms. "
+                        "Check that gss library is properly configured.\n");
+               goto out;
+       }
+       if (supported_mechs == GSS_C_NO_OID_SET ||
+           supported_mechs->count == 0) {
+               printerr(0, "Unable to obtain list of supported mechanisms. "
+                        "Check that gss library is properly configured.\n");
+               goto out;
+       }
+       maj_stat = gss_release_oid_set(&min_stat, &supported_mechs);
+       retval = 0;
+out:
+       return retval;
+}
+