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4218b4 |
autofs-5.1.8 - fix nfsv4 only mounts should not use rpcbind
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From: Ian Kent <raven@themaw.net>
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Commit 606795ecfaa1 ("autofs-5.1.7 - also require TCP_REQUESTED when
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setting NFS port" together with commit 26fb6b5408be) caused NFSv4 only
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mounts to also use rpcbind to probe availability which breaks the
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requirememt that this type of mount not use rpcbind at all.
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Fix this by treating fstype=nfs4 mounts as a special case which doesn't
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use rpcbind.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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include/replicated.h | 2 ++
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modules/mount_nfs.c | 13 +++++++------
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modules/replicated.c | 4 ++--
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4 files changed, 12 insertions(+), 8 deletions(-)
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--- autofs-5.1.7.orig/CHANGELOG
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+++ autofs-5.1.7/CHANGELOG
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@@ -100,6 +100,7 @@
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- refactor get_nfs_info().
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- also require TCP_REQUESTED when setting NFS port.
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- bailout on rpc systemerror.
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+- fix nfsv4 only mounts should not use rpcbind.
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25/01/2021 autofs-5.1.7
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- make bind mounts propagation slave by default.
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--- autofs-5.1.7.orig/include/replicated.h
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+++ autofs-5.1.7/include/replicated.h
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@@ -35,6 +35,8 @@
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#define NFS3_REQUESTED NFS3_SUPPORTED
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#define NFS4_REQUESTED NFS4_SUPPORTED
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+#define NFS4_ONLY_REQUESTED 0x0800
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+
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#define TCP_SUPPORTED 0x0001
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#define UDP_SUPPORTED 0x0002
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#define TCP_REQUESTED TCP_SUPPORTED
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--- autofs-5.1.7.orig/modules/mount_nfs.c
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+++ autofs-5.1.7/modules/mount_nfs.c
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@@ -92,7 +92,7 @@ int mount_mount(struct autofs_point *ap,
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mount_default_proto = defaults_get_mount_nfs_default_proto();
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vers = NFS_VERS_DEFAULT | NFS_PROTO_DEFAULT;
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if (strcmp(fstype, "nfs4") == 0)
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- vers = NFS4_VERS_DEFAULT | TCP_SUPPORTED;
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+ vers = NFS4_VERS_DEFAULT | TCP_SUPPORTED | NFS4_ONLY_REQUESTED;
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else if (mount_default_proto == 4)
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vers = vers | NFS4_VERS_DEFAULT;
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@@ -157,15 +157,16 @@ int mount_mount(struct autofs_point *ap,
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} else {
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/* Is any version of NFSv4 in the options */
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if (_strncmp("vers=4", cp, 6) == 0 ||
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- _strncmp("nfsvers=4", cp, 9) == 0)
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- vers = NFS4_VERS_MASK | TCP_SUPPORTED;
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- else if (_strncmp("vers=3", cp, o_len) == 0 ||
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+ _strncmp("nfsvers=4", cp, 9) == 0) {
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+ vers &= ~(NFS_VERS_MASK);
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+ vers |= NFS4_VERS_MASK | TCP_SUPPORTED | NFS4_ONLY_REQUESTED;
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+ } else if (_strncmp("vers=3", cp, o_len) == 0 ||
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_strncmp("nfsvers=3", cp, o_len) == 0) {
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- vers &= ~(NFS4_VERS_MASK | NFS_VERS_MASK);
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+ vers &= ~(NFS4_VERS_MASK | NFS_VERS_MASK | NFS4_ONLY_REQUESTED);
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vers |= NFS3_REQUESTED;
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} else if (_strncmp("vers=2", cp, o_len) == 0 ||
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_strncmp("nfsvers=2", cp, o_len) == 0) {
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- vers &= ~(NFS4_VERS_MASK | NFS_VERS_MASK);
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+ vers &= ~(NFS4_VERS_MASK | NFS_VERS_MASK | NFS4_ONLY_REQUESTED);
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vers |= NFS2_REQUESTED;
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} else if (strstr(cp, "port=") == cp &&
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o_len - 5 < 25) {
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--- autofs-5.1.7.orig/modules/replicated.c
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+++ autofs-5.1.7/modules/replicated.c
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@@ -291,7 +291,7 @@ static unsigned int get_nfs_info(unsigne
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rpc_info->proto = proto;
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if (port < 0) {
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- if ((version & NFS4_REQUESTED) && (version & TCP_REQUESTED))
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+ if (version & NFS4_REQUESTED && (version & NFS4_ONLY_REQUESTED))
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rpc_info->port = NFS_PORT;
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else
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port = 0;
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@@ -525,7 +525,7 @@ static int get_vers_and_cost(unsigned lo
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{
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struct conn_info pm_info, rpc_info;
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time_t timeout = RPC_TIMEOUT;
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- unsigned int supported, vers = (NFS_VERS_MASK | NFS4_VERS_MASK);
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+ unsigned int supported, vers = (NFS_VERS_MASK | NFS4_VERS_MASK | NFS4_ONLY_REQUESTED);
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int ret = 0;
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if (!check_address_proto(logopt, host, version))
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