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NFS client library
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LIBNFS is a client library for accessing NFS shares over a network. LIBNFS offers three different APIs, for different use : 1, RAW : A fully async low level rpc library for nfs protocols This API is described in include/libnfs-raw.h it offers a fully async interface to raw XDR encoded blobs. This api provides very flexible and precice control of the RPC issued. examples/nfsclient-raw.c provides examples on how to use the raw API 2, NFS ASYNC : A fully asynchronous library for high level vfs functions This API is described by the *_async() fucntions in include/libnfs.h. This API provides a fully async access to posix vfs like functions such as stat(), read(), ... examples/nfsclient-async.c provides examples on how to use this API 3, NFS SYNC : A synchronous library for high level vfs functions This API is described by the *_sync() fucntions in include/libnfs.h. This API provides access to posix vfs like functions such as stat(), read(), ... examples/nfsclient-sync.c provides examples on how to use this API ROOT vs NON-ROOT ================ When running as root, libnfs tries to allocate a system port for its connection to the nfs server. When running as non-root it will use a normal ephemeral port. Many NFS servers default to a mode where they do not allow non-system ports from connecting. These servers require you use the "insecure" export option in /etc/exports in order to allow libnfs clients to be able to connect. Some versions of Linux support special capabilities that can be assigned to programs to allow non-root users to bind to system ports. This is set up by running sudo setcap 'cap_net_bind_service=+ep' /path/to/executable When libnfs is linked against an executable with this special capability assigned to it, libnfs may be able to use system ports even when executing under the privilege of a non-root user account. This is highly non-portable so IF this works on your linux system, count yourself lucky. PLATFORM support ================= As of now this is tested with linux, MacOSX and Apple iOS. Linux: - tested with Ubuntu 10.04 - should work with others aswell Cygwin: - tested under 64bit win2k8. MacOSX: - tested with SDK 10.4 (under Snow Leopard) - should also work with later SDKs and 64Bit iOS: - tested with iOS SDK 4.2 - running on iOS 4.3.x FreeBSD:- tested with 8.2 OpenSolaris Windows:- tested on Windows 7 64 and Windows XP 32 using Visual Studio 10 (see README.win32.txt for build instructions) Cygwin ------ Configure with './configure --enable-tirpc' since cygwin only supports ti-rpc and not classic rpc. RELEASE TARBALLS ================ Release tarballs are available at https://github.com/sahlberg/libnfs/downloads MAILINGLIST =========== A libnfs mailinglist is available at http://groups.google.com/group/libnfs Announcements of new versions of libnfs will be posted to this list.