X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmountd%2Fmountd.c;h=7325b259dc1754b18ddeae920fdef6db8fa92d09;hp=8f6f9cb9d85d8ad69754a9db1bdbda2233feab76;hb=53c5bd65c74e032947d8fb5b140024be008aaa6b;hpb=b01c85ea978f15d313961724d9a64c8ae18b3766

diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
index 8f6f9cb..7325b25 100644
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -36,6 +36,11 @@ static struct nfs_fh_len *get_rootfh(struct svc_req *, dirpath *, int *, int v3)
 
 int new_cache = 0;
 
+/* PRC: a high-availability callout program can be specified with -H
+ * When this is done, the program will receive callouts whenever clients
+ * send mount or unmount requests -- the callout is not needed for 2.6 kernel */
+char *ha_callout_prog = NULL;
+
 static struct option longopts[] =
 {
 	{ "foreground", 0, 0, 'F' },
@@ -48,6 +53,7 @@ static struct option longopts[] =
 	{ "version", 0, 0, 'v' },
 	{ "port", 1, 0, 'p' },
 	{ "no-tcp", 0, 0, 'n' },
+	{ "ha-callout", 1, 0, 'H' },
 	{ NULL, 0, 0, 0 }
 };
 
@@ -68,6 +74,14 @@ killer (int sig)
   xlog (L_FATAL, "Caught signal %d, un-registering and exiting.", sig);
 }
 
+static void
+sig_hup (int sig)
+{
+  /* don't exit on SIGHUP */
+  xlog (L_NOTICE, "Received SIGHUP... Ignoring.\n", sig);
+  return;
+}
+
 bool_t
 mount_null_1_svc(struct svc_req *rqstp, void *argp, void *resp)
 {
@@ -228,7 +242,10 @@ mount_pathconf_2_svc(struct svc_req *rqstp, dirpath *path, ppathcnf *res)
 bool_t
 mount_mnt_3_svc(struct svc_req *rqstp, dirpath *path, mountres3 *res)
 {
-	static int	flavors[] = { AUTH_NULL, AUTH_UNIX };
+#define AUTH_GSS_KRB5 390003
+#define AUTH_GSS_KRB5I 390004
+#define AUTH_GSS_KRB5P 390005
+	static int	flavors[] = { AUTH_NULL, AUTH_UNIX, AUTH_GSS_KRB5, AUTH_GSS_KRB5I, AUTH_GSS_KRB5P};
 	struct nfs_fh_len *fh;
 
 	xlog(D_CALL, "MNT3(%s) called", *path);
@@ -237,7 +254,8 @@ mount_mnt_3_svc(struct svc_req *rqstp, dirpath *path, mountres3 *res)
 
 		ok->fhandle.fhandle3_len = fh->fh_size;
 		ok->fhandle.fhandle3_val = fh->fh_handle;
-		ok->auth_flavors.auth_flavors_len = 2;
+		ok->auth_flavors.auth_flavors_len
+			= sizeof(flavors)/sizeof(flavors[0]);
 		ok->auth_flavors.auth_flavors_val = flavors;
 	}
 	return 1;
@@ -444,7 +462,7 @@ main(int argc, char **argv)
 
 	/* Parse the command line options and arguments. */
 	opterr = 0;
-	while ((c = getopt_long(argc, argv, "o:n:Fd:f:p:P:hN:V:v", longopts, NULL)) != EOF)
+	while ((c = getopt_long(argc, argv, "o:n:Fd:f:p:P:hH:N:V:v", longopts, NULL)) != EOF)
 		switch (c) {
 		case 'o':
 			descriptors = atoi(optarg);
@@ -463,6 +481,9 @@ main(int argc, char **argv)
 		case 'f':
 			export_file = optarg;
 			break;
+		case 'H': /* PRC: specify a high-availability callout program */
+			ha_callout_prog = optarg;
+			break;
 		case 'h':
 			usage(argv [0], 0);
 			break;
@@ -522,7 +543,8 @@ main(int argc, char **argv)
 		}
 	}
 	/* Initialize logging. */
-/*	xlog_open("mountd"); */
+	if (!foreground) xlog_stderr(0);
+	xlog_open("mountd");
 
 	sa.sa_handler = SIG_IGN;
 	sa.sa_flags = 0;
@@ -556,9 +578,10 @@ main(int argc, char **argv)
 			 mount_dispatch, port);
 
 	sa.sa_handler = killer;
-	sigaction(SIGHUP, &sa, NULL);
 	sigaction(SIGINT, &sa, NULL);
 	sigaction(SIGTERM, &sa, NULL);
+	sa.sa_handler = sig_hup;
+	sigaction(SIGHUP, &sa, NULL);
 
 	auth_init(export_file);
 
@@ -580,7 +603,6 @@ main(int argc, char **argv)
 			if (fd > 2) (void) close(fd);
 		}
 		setsid();
-		xlog_background();
 	}
 
 	my_svc_run();
@@ -596,6 +618,7 @@ usage(const char *prog, int n)
 "Usage: %s [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind]\n"
 "	[-o num|--descriptors num] [-f exports-file|--exports-file=file]\n"
 "	[-p|--port port] [-V version|--nfs-version version]\n"
-"	[-N version|--no-nfs-version version] [-n|--no-tcp]\n", prog);
+"	[-N version|--no-nfs-version version] [-n|--no-tcp]\n"
+"	[-H ha-callout-prog]\n", prog);
 	exit(n);
 }