Attachment 302005 Details for Bug 441559 – draft of lockd part

draft of lockd part

lockd-nsmif.patch (text/x-patch), 2.79 KB, created by Janne Karhunen on 2008-04-10 15:01:34 UTC

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Creator: Janne Karhunen

Created: 2008-04-10 15:01:34 UTC

Size: 2.79 KB

patch

obsolete

>diff -Naur lockd.org/svc4proc.c lockd/svc4proc.c
>--- lockd.org/svc4proc.c	2008-04-10 10:26:51.000000000 -0400
>+++ lockd/svc4proc.c	2008-04-09 14:57:50.000000000 -0400
>@@ -24,6 +24,8 @@
> static u32	nlm4svc_callback(struct svc_rqst *, u32, struct nlm_res *);
> static void	nlm4svc_callback_exit(struct rpc_task *);
> 
>+extern unsigned int nlm_nsm_interface;
>+
> /*
>  * Obtain client and file from arguments
>  */
>@@ -426,8 +428,9 @@
> 	struct nlm_host		*host;
> 
> 	dprintk("lockd: SM_NOTIFY     called\n");
>-	if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
>-	 || ntohs(saddr.sin_port) >= 1024) {
>+        if ((saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK))
>+         || (nlm_nsm_interface && (saddr.sin_addr.s_addr != htonl(nlm_nsm_interface)))
>+         || (ntohs(saddr.sin_port) >= 1024)) {
> 		printk(KERN_WARNING
> 			"lockd: rejected NSM callback from %08x:%d\n",
> 			ntohl(rqstp->rq_addr.sin_addr.s_addr),
>diff -Naur lockd.org/svc.c lockd/svc.c
>--- lockd.org/svc.c	2008-04-10 10:26:51.000000000 -0400
>+++ lockd/svc.c	2008-04-09 13:51:42.000000000 -0400
>@@ -56,6 +56,7 @@
> static unsigned long		nlm_grace_period;
> static unsigned long		nlm_timeout = LOCKD_DFLT_TIMEO;
> static int			nlm_udpport, nlm_tcpport;
>+unsigned int 			nlm_nsm_interface = 0;
> 
> /*
>  * Constants needed for the sysctl interface.
>@@ -86,6 +87,7 @@
> {
> 	nlmsvc_grace_period = 0;
> }
>+
> int
> nlmsvc_dispatch(struct svc_rqst *rqstp, u32 *statp)
> {
>@@ -417,6 +419,16 @@
> 		.extra1		= (int *) &nlm_port_min,
> 		.extra2		= (int *) &nlm_port_max,
> 	},
>+        {
>+                .ctl_name       = CTL_UNNUMBERED,
>+                .procname       = "nlm_nsm_interface",
>+                .data           = &nlm_nsm_interface,
>+                .maxlen         = sizeof(unsigned int),
>+                .mode           = 0644,
>+                .proc_handler   = &proc_dointvec,
>+                .extra1         = 0,
>+                .extra2         = 0,
>+        },
> 	{ .ctl_name = 0 }
> };
> 
>diff -Naur lockd.org/svcproc.c lockd/svcproc.c
>--- lockd.org/svcproc.c	2008-04-10 10:26:51.000000000 -0400
>+++ lockd/svcproc.c	2008-04-09 14:57:04.000000000 -0400
>@@ -25,6 +25,8 @@
> static u32	nlmsvc_callback(struct svc_rqst *, u32, struct nlm_res *);
> static void	nlmsvc_callback_exit(struct rpc_task *);
> 
>+extern unsigned int nlm_nsm_interface;
>+
> #ifdef CONFIG_LOCKD_V4
> static u32
> cast_to_nlm(u32 status, u32 vers)
>@@ -450,8 +452,9 @@
> 	struct nlm_host		*host;
> 
> 	dprintk("lockd: SM_NOTIFY     called\n");
>-	if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
>-	 || ntohs(saddr.sin_port) >= 1024) {
>+	if ((saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK))
>+	 || (nlm_nsm_interface && (saddr.sin_addr.s_addr != htonl(nlm_nsm_interface)))
>+	 || (ntohs(saddr.sin_port) >= 1024)) {
> 		printk(KERN_WARNING
> 			"lockd: rejected NSM callback from %08x:%d\n",
> 			ntohl(rqstp->rq_addr.sin_addr.s_addr),

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