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backup patches 2024-01-20
Posted by Anonymous on Sat 20th Jan 2024 13:01
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From 8385dafd78068c5eebe1ab9224557d6af7a1813e Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Fri, 19 Jan 2024 16:29:00 +0100 Subject: [PATCH 1/7] testing: Fix typo in tests/manual_testing.txt Fix typo in tests/manual_testing.txt Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- tests/manual_testing.txt | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/manual_testing.txt b/tests/manual_testing.txt index 761ea98..6de2508 100644 --- a/tests/manual_testing.txt +++ b/tests/manual_testing.txt @@ -53,7 +53,6 @@ cd bash/ # (this is an automake/autoconf issue, they should trust Cygwin and not use # ancient workarounds for issues which no longer exists) (set -o xtrace ; sed -i "s/as_ln_s='cp -pR'/as_ln_s='ln -s'/g" $(find . -name configure) ) -./configure # workaround for $ cp -p # failing with "Function not implemented" (set -o xtrace ; sed -i -r 's/(cp.*)([[:space:]]+-p[[:space:]]+)/\1\2--no-preserve=ownership /g' $(find . -name Makefile -o -name Makefile.in) ) # run configure -- 2.43.0 From e9a3deb749cefa2873e07a1260c46f2d08c76d5a Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Fri, 19 Jan 2024 16:50:36 +0100 Subject: [PATCH 2/7] cygwin: Fix Cygwin build for $ cd cygwin; make build # Fix Cygwin build for $ cd cygwin; make build # (instead of $ make -f cygwin/Makefile build # Reported-by: Josh Hurst <joshhurst@gmail.com> Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- cygwin/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cygwin/Makefile b/cygwin/Makefile index 4f62e85..73f8a37 100644 --- a/cygwin/Makefile +++ b/cygwin/Makefile @@ -31,7 +31,7 @@ build: which MSBuild.exe MSBuild.exe '$(shell cygpath -w "$(PROJECT_BASEDIR_DIR)/build.vc19/nfs41-client.sln")' -t:Build -p:Configuration=Release -p:Platform=x64 MSBuild.exe '$(shell cygpath -w "$(PROJECT_BASEDIR_DIR)/build.vc19/nfs41-client.sln")' -t:Build -p:Configuration=Debug -p:Platform=x64 - (cd tests/winfsinfo1 && make all) + (cd "$(PROJECT_BASEDIR_DIR)/tests/winfsinfo1" && make all) # # clean target -- 2.43.0 From 7c87336e7bb58cc8cdd493573d2aa98b21c4831d Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Fri, 19 Jan 2024 17:06:29 +0100 Subject: [PATCH 3/7] cygwin: Fix bintarball build for $ cd cygwin ; make bintarball # Fix bintarball build for $ cd cygwin ; make bintarball # (instead of $ make -f cygwin/Makefile bintarball #). Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- cygwin/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/cygwin/Makefile b/cygwin/Makefile index 73f8a37..0374429 100644 --- a/cygwin/Makefile +++ b/cygwin/Makefile @@ -38,7 +38,7 @@ build: # clean: rm -vRf $$(find "$(PROJECT_BASEDIR_DIR)/build.vc19" -name Debug -o -name Release) - (cd tests/winfsinfo1 && make clean) + (cd "$(PROJECT_BASEDIR_DIR)/tests/winfsinfo1" && make clean) # install in DESTDIR installdest: $(VS_BUILD_DIR)/nfsd.exe \ @@ -88,7 +88,7 @@ installdest: $(VS_BUILD_DIR)/nfsd.exe \ cp $(CYGWIN_MAKEFILE_DIR)/utils/sshnfs/sshnfs.ksh $(DESTDIR)/cygdrive/c/cygwin64/sbin/sshnfs chmod a+x $(DESTDIR)/cygdrive/c/cygwin64/sbin/sshnfs @ printf "# Package tests\n" - cp tests/winfsinfo1/winfsinfo.exe $(DESTDIR)/cygdrive/c/cygwin64/bin/winfsinfo.exe + cp "$(PROJECT_BASEDIR_DIR)/tests/winfsinfo1/winfsinfo.exe" $(DESTDIR)/cygdrive/c/cygwin64/bin/winfsinfo.exe @ printf "# Package ksh93&co (if available) since Cygwin does not ship with it yet\n" [[ -x /usr/bin/ksh93.exe ]] && cp /usr/bin/ksh93.exe $(DESTDIR)/cygdrive/c/cygwin64/bin/ksh93.exe [[ -x /usr/bin/shcomp.exe ]] && cp /usr/bin/shcomp.exe $(DESTDIR)/cygdrive/c/cygwin64/bin/shcomp.exe -- 2.43.0 From d35782e20a683a30a778aaf1b549b2f5f6d9571e Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Fri, 19 Jan 2024 18:01:53 +0100 Subject: [PATCH 4/7] cygwin: Fix typos in cygwin tarball readme Fix typos in cygwin tarball readme Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- cygwin/README.bintarball.txt | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/cygwin/README.bintarball.txt b/cygwin/README.bintarball.txt index f9d206b..a71cb05 100644 --- a/cygwin/README.bintarball.txt +++ b/cygwin/README.bintarball.txt @@ -3,7 +3,7 @@ ### ## -## WARNING: ALPHA VERSION, ONLY SUITEABLE FOR BUG HUNTING!! +## WARNING: ALPHA VERSION, ONLY SUITABLE FOR BUG HUNTING!! ## ## @@ -54,8 +54,8 @@ $ (set -x ; cd / && tar -tf ~/download/msnfs41client_cygwin_binaries_git148e927_ ## # Run the NFSv4 client daemon: -# - run this preferably as "Adminstrator", but this is not a requirement -# - requires seperate terminal +# - run this preferably as "Administrator", but this is not a requirement +# - requires separate terminal $ /sbin/msnfs41client run_daemon # Mount a filesystem and use it @@ -108,7 +108,7 @@ $ net use N: /delete $ cmd /c 'mklink /d c:\home\rmainz \\derfwpc5131_ipv6@2049\nfs4\export\home2\rmainz' # and then $ cd /cygdrive/c/home/rmainz/ # should work -- performace: All binaries are build without any optimisation, so +- performance: All binaries are build without any optimisation, so the filesystem is much slower than it could be. - bad performance due to Windows Defender AntiVirus: @@ -118,12 +118,12 @@ $ net use N: /delete powershell -Command 'Set-MpPreference -DisableRealtimeMonitoring 1' Option 2: Add "nfsd.exe", "nfsd_debug.exe", "ksh93.exe", "bash.exe", "git.exe" - and other offending commands to process name whitelist. + and other offending commands to the process name whitelist. - performance: Use vmxnet3 in VMware to improve performance - ACLs are supported via the normal Windows ACL tools, but on - Linux require the nfs4_getfacl/nfs4_setfacl utilties to see the + Linux require the nfs4_getfacl/nfs4_setfacl utilities to see the data. Example (assuming that Windows, Linux NFSv4 client and NFSv4 server have a user "siegfried_wulsch"): @@ -140,7 +140,7 @@ $ net use N: /delete - nfs_mount only works when the NFSv4 server allows connections from ports >= 1024, as Windows does not allow the Windows NFSv4 client - to use a "priviledged port" (i.e. TCP port number < 1024)). + to use a "privileged port" (i.e. TCP port number < 1024)). By default the NFSv4 server on Solaris, Illumos, Linux etc. only accepts connections if the NFSv4 client uses a "privileged (TCP) port", i.e. a port number < 1024. @@ -157,7 +157,7 @@ $ net use N: /delete - If nfsd_debug.exe crashes or gets killed, the only safe way to run it again requires a reboot - LDAP support does not work yet -- Attribute caching is to agressiv, making $ tail -f ... # not seeing +- Attribute caching is too aggressive, making $ tail -f ... # not seeing new data. Workaround: Use GNU tail'S $ tail --follow=name ... # - krb5p security with AES keys do not work against the linux server, -- 2.43.0 From aca985b01a6a6a0c805f1513af4d422f7d84785f Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Fri, 19 Jan 2024 18:34:55 +0100 Subject: [PATCH 5/7] daemon, libtirpc: Use |WaitForSingleObjectEx()| for threads+check return code Use |WaitForSingleObjectEx(..., ..., FALSE)| innstead of |WaitForSingleObject()| to wait for threads and check the status return code. Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- daemon/nfs41_rpc.c | 4 ++-- daemon/nfs41_session.c | 5 ++++- daemon/util.c | 3 ++- libtirpc/src/clnt_vc.c | 3 ++- 4 files changed, 10 insertions(+), 5 deletions(-) diff --git a/daemon/nfs41_rpc.c b/daemon/nfs41_rpc.c index adbb9f1..3c11e9b 100644 --- a/daemon/nfs41_rpc.c +++ b/daemon/nfs41_rpc.c @@ -368,9 +368,9 @@ int nfs41_send_compound( if (rpc_should_retry(rpc, version)) goto try_again; while (rpc_renew_in_progress(rpc, NULL)) { - status = WaitForSingleObject(rpc->cond, INFINITE); + status = WaitForSingleObjectEx(rpc->cond, INFINITE, FALSE); if (status != WAIT_OBJECT_0) { - dprintf(1, "rpc_renew_in_progress: WaitForSingleObject failed\n"); + dprintf(0, "rpc_renew_in_progress: WaitForSingleObjectEx() failed\n"); print_condwait_status(1, status); status = ERROR_LOCK_VIOLATION; goto out; diff --git a/daemon/nfs41_session.c b/daemon/nfs41_session.c index 698b29f..6411de2 100644 --- a/daemon/nfs41_session.c +++ b/daemon/nfs41_session.c @@ -370,14 +370,17 @@ static void cancel_renew_thread( IN nfs41_session *session) { + DWORD status; + dprintf(1, "cancel_renew_thread(session=%p): " "signal thread to exit\n", session); (void)SetEvent(session->renew.cancel_event); dprintf(1, "cancel_renew_thread(session=%p): " "waiting for thread to exit\n", session); - (void)WaitForSingleObjectEx(session->renew.thread_handle, + status = WaitForSingleObjectEx(session->renew.thread_handle, INFINITE, FALSE); + EASSERT(status == WAIT_OBJECT_0); dprintf(1, "cancel_renew_thread(session=%p): thread done\n", session); diff --git a/daemon/util.c b/daemon/util.c index 4094889..95e0d7f 100644 --- a/daemon/util.c +++ b/daemon/util.c @@ -556,7 +556,8 @@ int subcmd_pclose(subcmd_popen_context *pinfo) /* Close the read handle to the pipe from the child process */ CloseHandle(pinfo->hReadPipe); - WaitForSingleObject(pinfo->pi.hProcess, INFINITE); + status = WaitForSingleObjectEx(pinfo->pi.hProcess, INFINITE, FALSE); + EASSERT(status == WAIT_OBJECT_0); if (!GetExitCodeProcess(pinfo->pi.hProcess, &status)) { status = -1; diff --git a/libtirpc/src/clnt_vc.c b/libtirpc/src/clnt_vc.c index 3fdc1ef..843fd93 100644 --- a/libtirpc/src/clnt_vc.c +++ b/libtirpc/src/clnt_vc.c @@ -927,7 +927,8 @@ clnt_vc_destroy(cl) cl->shutdown = 1; cond_signal(&vc_cv[ct_fd]); mutex_unlock(&clnt_fd_lock); - status = WaitForSingleObject(cl->cb_thread, INFINITE); + status = WaitForSingleObjectEx(cl->cb_thread, INFINITE, FALSE); + assert(status == WAIT_OBJECT_0); fprintf(stdout, "%04lx: terminated callback thread\n", (long)GetCurrentThreadId()); mutex_lock(&clnt_fd_lock); while (vc_fd_locks[ct_fd]) -- 2.43.0 From 6e417a1f7d520deac82121d1b5ef45fbdba37936 Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Sat, 20 Jan 2024 10:23:26 +0100 Subject: [PATCH 6/7] testing: Update ksh93 to 1.0.8 Update ksh93/shcomp from 1.0.7 to 1.0.8 Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- tests/manual_testing.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/manual_testing.txt b/tests/manual_testing.txt index 6de2508..9d33d90 100644 --- a/tests/manual_testing.txt +++ b/tests/manual_testing.txt @@ -24,7 +24,7 @@ # # ksh93 (ast-ksh) # -git clone -b 'v1.0.7' https://github.com/ksh93/ksh.git +git clone -b 'v1.0.8' https://github.com/ksh93/ksh.git cd ksh git config --global --add safe.directory "$PWD" sed -i -r 's/mkfifo.+?(-m [[:digit:]]+)/mkfifo /g' ./src/cmd/INIT/package.sh ./bin/package -- 2.43.0 From ca7d67b64bfc3a9c70ddcd05e5c5803af9f49643 Mon Sep 17 00:00:00 2001 From: Roland Mainz <roland.mainz@nrubsig.org> Date: Sat, 20 Jan 2024 13:41:47 +0100 Subject: [PATCH 7/7] cygwin: Update cygwin tarball readme with bugs and troubleshooting info Update Cygwin binary tarball readme with info about known bugs and add troubleshooting section. Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com> --- cygwin/README.bintarball.txt | 58 ++++++++++++++++++++++++++++++++++-- 1 file changed, 56 insertions(+), 2 deletions(-) diff --git a/cygwin/README.bintarball.txt b/cygwin/README.bintarball.txt index a71cb05..532fc48 100644 --- a/cygwin/README.bintarball.txt +++ b/cygwin/README.bintarball.txt @@ -148,31 +148,85 @@ $ net use N: /delete Linux /etc/exports, which allows connections from ports >= 1024, and for Solaris/Illumos see nfs(5), option "resvport". + # # Known issues: # - The kernel driver ("nfs41_driver.sys") does not have a cryptographic signature for SecureBoot - which means it will only work if SecureBoot is turned off (otherwise $ /sbin/msnfs41client install # will FAIL!) + - If nfsd_debug.exe crashes or gets killed, the only safe way to run it again requires a reboot + - LDAP support does not work yet -- Attribute caching is too aggressive, making $ tail -f ... # not seeing - new data. + +- Attribute caching is too aggressive + +- Caching in the kernel does not always work. For example + $ tail -f ... # does not not see new data. Workaround: Use GNU tail'S $ tail --follow=name ... # + Working theory is that this is related to FCB caching, see + |FCB_STATE_FILESIZECACHEING_ENABLED|, as the nfs41_driver.sys + kernel module does not see the |stat()| syscalls. But $ tail -f ... # + always works for a momemnt if something else opens the same file. + +- Unmounting and then mounting the same filesystem causes issues + as the name cache in nfsd*.exe is not flushed on umount, including + leftover delegations. + - krb5p security with AES keys do not work against the linux server, as it does not support gss krb5 v2 tokens with rotated data. + - When recovering opens and locks outside of the server's grace period, client does not check whether the file has been modified by another client. + - If nfsd.exe is restarted while a drive is mapped, that drive needs to be remounted before further use. + - Does not allow renaming a file on top of an existing open file. Connectathon's special test op_ren has been commented out. + - Extended attributes are supported with some limitations: a) the server must support NFS Named Attributes, b) the order of listings cannot be guaranteed by NFS, and c) the EaSize field cannot be reported for directory queries of FileBothDirInformation, FileFullDirInfo, or FileIdFullDirInfo. + +# +# Notes for troubleshooting && finding bugs/debugging: +# +- nfsd_debug.exe has the -d option to set a level for debug + output. + Edit /sbin/msnfs41client to set the "-d" option. + +- The "msnfs41client" script has the option "watch_kernel_debuglog" + to get the debug output of the kernel module. + + Run as Admin: $ /sbin/msnfs41client watch_kernel_debuglog # + + Currently requires DebugView + (https://learn.microsoft.com/en-gb/sysinternals/downloads/debugview) + to be installed. + +- Watching network traffic: + WireShark has a command line tool called "tshark", which can be used + to see NFSv4 traffic. As NFSv4 uses RPC you have to filter for RPC, + and the RPC filter automatically identifies NFSv4 traffic on it's RPC + id. + Example for Windows: + (for NFSv4 default TCP port "2049", replace "2049" with the + desired port if you use a custom port ; use "ipconfig" to find the + correct interface name, in this case "Ethernet0"): + ---- snip ---- + $ nfsv4port=2049 ; /cygdrive/c/Program\ Files/Wireshark/tshark \ + -f "port $nfsv4port" -d "tcp.port==${nfsv4port},rpc" -i Ethernet0 + ---- snip ---- + + If you are running inside a VMware VM on a Linux host it + might require $ chmod a+rw /dev/vmnet0 # on VMware host, so that + the VM can use "Promiscuous Mode". + # EOF. -- 2.43.0

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