From adbbe929569e6eec8ff9feca23f1f2b40b42853d Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 18 Mar 2009 20:45:51 -0400 Subject: NFSD: If port value written to /proc/fs/nfsd/portlist is invalid, return EINVAL Make sure port value read from user space by write_ports is valid before passing it to svc_find_xprt(). If it wasn't, the writer would get ENOENT instead of EINVAL. Noticed-by: J. Bruce Fields Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- fs/nfsd/nfsctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 3d93b2064ce..5a936c14f6f 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -938,6 +938,8 @@ static ssize_t __write_ports(struct file *file, char *buf, size_t size) char transport[16]; int port; if (sscanf(buf, "%15s %4d", transport, &port) == 2) { + if (port < 1 || port > 65535) + return -EINVAL; err = nfsd_create_serv(); if (!err) { err = svc_create_xprt(nfsd_serv, @@ -960,7 +962,7 @@ static ssize_t __write_ports(struct file *file, char *buf, size_t size) char transport[16]; int port; if (sscanf(&buf[1], "%15s %4d", transport, &port) == 2) { - if (port == 0) + if (port < 1 || port > 65535) return -EINVAL; if (nfsd_serv) { xprt = svc_find_xprt(nfsd_serv, transport, -- cgit v1.2.3 From 9652ada3fb5914a67d8422114e8a76388330fa79 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 18 Mar 2009 20:46:21 -0400 Subject: SUNRPC: Change svc_create_xprt() to take a @family argument The sv_family field is going away. Pass a protocol family argument to svc_create_xprt() instead of extracting the family from the passed-in svc_serv struct. Again, as this is a listener socket and not an address, we make this new argument an "int" protocol family, instead of an "sa_family_t." Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- fs/nfsd/nfsctl.c | 2 +- fs/nfsd/nfssvc.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 5a936c14f6f..a4ed8644d69 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -943,7 +943,7 @@ static ssize_t __write_ports(struct file *file, char *buf, size_t size) err = nfsd_create_serv(); if (!err) { err = svc_create_xprt(nfsd_serv, - transport, port, + transport, PF_INET, port, SVC_SOCK_ANONYMOUS); if (err == -ENOENT) /* Give a reasonable perror msg for diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 07e4f5d7baa..ab7f249055b 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -244,7 +244,7 @@ static int nfsd_init_socks(int port) if (!list_empty(&nfsd_serv->sv_permsocks)) return 0; - error = svc_create_xprt(nfsd_serv, "udp", port, + error = svc_create_xprt(nfsd_serv, "udp", PF_INET, port, SVC_SOCK_DEFAULTS); if (error < 0) return error; @@ -253,7 +253,7 @@ static int nfsd_init_socks(int port) if (error < 0) return error; - error = svc_create_xprt(nfsd_serv, "tcp", port, + error = svc_create_xprt(nfsd_serv, "tcp", PF_INET, port, SVC_SOCK_DEFAULTS); if (error < 0) return error; -- cgit v1.2.3 From 49a9072f29a1039f142ec98b44a72d7173651c02 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 18 Mar 2009 20:46:29 -0400 Subject: SUNRPC: Remove @family argument from svc_create() and svc_create_pooled() Since an RPC service listener's protocol family is specified now via svc_create_xprt(), it no longer needs to be passed to svc_create() or svc_create_pooled(). Remove that argument from the synopsis of those functions, and remove the sv_family field from the svc_serv struct. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- fs/nfsd/nfssvc.c | 1 - 1 file changed, 1 deletion(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index ab7f249055b..bc3567bab8c 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -229,7 +229,6 @@ int nfsd_create_serv(void) atomic_set(&nfsd_busy, 0); nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize, - AF_INET, nfsd_last_thread, nfsd, THIS_MODULE); if (nfsd_serv == NULL) err = -ENOMEM; -- cgit v1.2.3