Imported upstream 1.2.8

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

diff --git a/utils/gssd/gssd.c b/utils/gssd/gssd.c
index 0f7a7e58dbd01d6ca5d3c1509b3ac1ddb0c92433..8ee478bc0bccb0aedee7bd3557e0f194ad69ab30 100644 (file)
--- a/utils/gssd/gssd.c
+++ b/utils/gssd/gssd.c
@@ -36,6 +36,10 @@
 
 */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <rpc/rpc.h>
@@ -51,22 +55,37 @@
 #include "gss_util.h"
 #include "krb5_util.h"
 
-char pipefsdir[PATH_MAX] = GSSD_PIPEFS_DIR;
+char pipefs_dir[PATH_MAX] = GSSD_PIPEFS_DIR;
 char keytabfile[PATH_MAX] = GSSD_DEFAULT_KEYTAB_FILE;
+char ccachedir[PATH_MAX] = GSSD_DEFAULT_CRED_DIR ":" GSSD_USER_CRED_DIR;
+char *ccachesearch[GSSD_MAX_CCACHE_SEARCH + 1];
+int  use_memcache = 0;
+int  root_uses_machine_creds = 1;
+unsigned int  context_timeout = 0;
+char *preferred_realm = NULL;
 
 void
 sig_die(int signal)
 {
        /* destroy krb5 machine creds */
-       gssd_destroy_krb5_machine_creds();
+       if (root_uses_machine_creds)
+               gssd_destroy_krb5_machine_creds();
        printerr(1, "exiting on signal %d\n", signal);
-       exit(1);
+       exit(0);
+}
+
+void
+sig_hup(int signal)
+{
+       /* don't exit on SIGHUP */
+       printerr(1, "Received SIGHUP(%d)... Ignoring.\n", signal);
+       return;
 }
 
 static void
 usage(char *progname)
 {
-       fprintf(stderr, "usage: %s [-f] [-v] [-p pipefsdir] [-k keytab]\n",
+       fprintf(stderr, "usage: %s [-f] [-l] [-M] [-n] [-v] [-r] [-p pipefsdir] [-k keytab] [-d ccachedir] [-t timeout] [-R preferred realm] [-D]\n",
                progname);
        exit(1);
 }
@@ -76,11 +95,14 @@ main(int argc, char *argv[])
 {
        int fg = 0;
        int verbosity = 0;
+       int rpc_verbosity = 0;
        int opt;
+       int i;
        extern char *optarg;
        char *progname;
 
-       while ((opt = getopt(argc, argv, "fvmp:k:")) != -1) {
+       memset(ccachesearch, 0, sizeof(ccachesearch));
+       while ((opt = getopt(argc, argv, "DfvrlmnMp:k:d:t:R:")) != -1) {
                switch (opt) {
                        case 'f':
                                fg = 1;
@@ -88,12 +110,21 @@ main(int argc, char *argv[])
                        case 'm':
                                /* Accept but ignore this. Now the default. */
                                break;
+                       case 'M':
+                               use_memcache = 1;
+                               break;
+                       case 'n':
+                               root_uses_machine_creds = 0;
+                               break;
                        case 'v':
                                verbosity++;
                                break;
+                       case 'r':
+                               rpc_verbosity++;
+                               break;
                        case 'p':
-                               strncpy(pipefsdir, optarg, sizeof(pipefsdir));
-                               if (pipefsdir[sizeof(pipefsdir)-1] != '\0')
+                               strncpy(pipefs_dir, optarg, sizeof(pipefs_dir));
+                               if (pipefs_dir[sizeof(pipefs_dir)-1] != '\0')
                                        errx(1, "pipefs path name too long");
                                break;
                        case 'k':
@@ -101,15 +132,41 @@ main(int argc, char *argv[])
                                if (keytabfile[sizeof(keytabfile)-1] != '\0')
                                        errx(1, "keytab path name too long");
                                break;
+                       case 'd':
+                               strncpy(ccachedir, optarg, sizeof(ccachedir));
+                               if (ccachedir[sizeof(ccachedir)-1] != '\0')
+                                       errx(1, "ccachedir path name too long");
+                               break;
+                       case 't':
+                               context_timeout = atoi(optarg);
+                               break;
+                       case 'R':
+                               preferred_realm = strdup(optarg);
+                               break;
+                       case 'l':
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+                               limit_to_legacy_enctypes = 1;
+#else 
+                               errx(1, "Encryption type limits not supported by Kerberos libraries.");
+#endif
+                               break;
+                       case 'D':
+                               avoid_dns = 0;
+                               break;
                        default:
                                usage(argv[0]);
                                break;
                }
        }
-       strncat(pipefsdir + strlen(pipefsdir), "/" GSSD_SERVICE_NAME,
-               sizeof(pipefsdir)-strlen(pipefsdir));
-       if (pipefsdir[sizeof(pipefsdir)-1] != '\0')
-               errx(1, "pipefs path name too long");
+
+       i = 0;
+       ccachesearch[i++] = strtok(ccachedir, ":");
+       do {
+               ccachesearch[i++] = strtok(NULL, ":");
+       } while (ccachesearch[i-1] != NULL && i < GSSD_MAX_CCACHE_SEARCH);
+
+       if (preferred_realm == NULL)
+               gssd_k5_get_default_realm(&preferred_realm);
 
        if ((progname = strrchr(argv[0], '/')))
                progname++;
@@ -117,16 +174,25 @@ main(int argc, char *argv[])
                progname = argv[0];
 
        initerr(progname, verbosity, fg);
+#ifdef HAVE_AUTHGSS_SET_DEBUG_LEVEL
+       if (verbosity && rpc_verbosity == 0)
+               rpc_verbosity = verbosity;
+       authgss_set_debug_level(rpc_verbosity);
+#else
+        if (rpc_verbosity > 0)
+               printerr(0, "Warning: rpcsec_gss library does not "
+                           "support setting debug level\n");
+#endif
+
+       if (gssd_check_mechs() != 0)
+               errx(1, "Problem with gssapi library");
 
        if (!fg && daemon(0, 0) < 0)
                errx(1, "fork");
 
        signal(SIGINT, sig_die);
        signal(SIGTERM, sig_die);
-       signal(SIGHUP, sig_die);
-
-       /* Process keytab file and get machine credentials */
-       gssd_refresh_krb5_machine_creds();
+       signal(SIGHUP, sig_hup);
 
        gssd_run();
        printerr(0, "gssd_run returned!\n");