xattr 0.5.2 → 0.6.0
raw patch · 11 files changed
+4991/−4039 lines, 11 filesdep +HUnitdep +containersdep +directorydep ~basenew-uploader
Dependencies added: HUnit, containers, directory, filepath, test-framework, test-framework-hunit, xattr
Dependency ranges changed: base
Files
- LICENSE +1/−0
- README.md +2/−2
- System/Xattr.hsc +278/−0
- configure +4387/−3840
- configure.ac +8/−4
- include/HsXattrConfig.h +83/−0
- include/HsXattrConfig.h.in +82/−0
- src/System/Xattr.hs +0/−146
- src/System/Xattr/Types.hsc +0/−30
- tests/Tests.hs +98/−0
- xattr.cabal +52/−17
LICENSE view
@@ -1,4 +1,5 @@ Copyright (c) 2009, Evan Klitzke <evan@eklitzke.org>+Copyright (c) 2012, Deian Stefan <deian@cs.stanford.edu> Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice
README.md view
@@ -6,8 +6,8 @@ To build this code, you'll need to have the libattr development headers installed. On Fedora/RHEL the package name is `libattr-devel`. On Debian/Ubuntu-the package name is `attr-dev`.+the package name is `attr-dev`. On Arch the package is `attr`. You can find the latest stable version of this code on [HackageDB](http://hackage.haskell.org/packages/hackage.html). The bleeding-edge-version of the code is hosted at git://github.com/eklitzke/libattr-hs.git.+version of the code is hosted on [git://github.com/deian/libattr-hs.git](git://github.com/deian/libattr-hs.git).
+ System/Xattr.hsc view
@@ -0,0 +1,278 @@+#if __GLASGOW_HASKELL__ >= 701+{-# LANGUAGE Trustworthy #-}+#endif+--------------------------------------------------------------------------------+-- |+-- Module : System.Xattr+-- Copyright : (c) Evan Klitzke 2009+-- (c) Deian Stefan 2012+-- License : BSD3+-- Maintainer: Evan Klitzke <evan@eklitzke.org>+-- Deian Stefan <deian@cs.stanford.edu>+-- Stability : experimental+-- Portability : GHC only+--+-- Relatively low-level interface to work with extended attributes on Unix+-- systems. This is a fairly straightforward port of the API exposed by SGI's+-- libattr.+--+--------------------------------------------------------------------------------+#include "HsXattrConfig.h"++#if !(HAVE_LIBATTR && HAVE_ATTR_XATTR_H && HAVE_SYS_TYPES_H)++module System.Xattr () where++#else++module System.Xattr+ (+ -- * Functions+ -- ** Set Functions+ setxattr+ , lsetxattr+ , fsetxattr++ -- ** Get Functions+ , getxattr+ , lgetxattr+ , fgetxattr++ -- ** List Functions+ , listxattr+ , llistxattr+ , flistxattr++ -- * Data Types+ , AttrName+ , AttrValue+ , XattrMode(..)+ )+ where++#include <sys/types.h>+#include <attr/xattr.h>++import Data.Functor ((<$>))+import Foreign.C+import Foreign.Ptr+import Foreign.Marshal.Alloc+import System.Posix.Types+import System.Posix.IO+import System.IO++import Data.ByteString (ByteString+ , useAsCStringLen+ , packCStringLen+ , split)+import Data.ByteString.Char8 (unpack)++-- | Mode for setting attributes.+data XattrMode =+ RegularMode+ -- ^ The attribute will be created if it does not yet exist,+ -- and replace the existing named attribute otherwise.+ | CreateMode+ -- ^ Specifies a pure create, which fails if the named attribute+ -- exists already.+ | ReplaceMode+ -- ^ Specifies a pure replace operation, which fails if the+ -- named attribute does not already exist.+ deriving (Eq, Show)++instance Enum XattrMode where+ fromEnum RegularMode = 0+ fromEnum CreateMode = #{const XATTR_CREATE}+ fromEnum ReplaceMode = #{const XATTR_REPLACE}+ toEnum #{const XATTR_CREATE} = CreateMode+ toEnum #{const XATTR_REPLACE} = ReplaceMode+ toEnum _ = RegularMode++-- | The name of an attribute. Some filesystems support arbitrarily+-- long names, but for portability it is recommended to use relatively+-- short names (less than 256 bytes).+type AttrName = String ++-- | Thevalue of an attribute. Most filesystems allow for arbitrary+-- binary data with relatively. It is recommended that the length of+-- the value be at most 64KB.+type AttrValue = ByteString++-- | Type for void.+type Void = CChar++--+-- Set extended attributes+--++-- | High level wrapper for a @setxattr@ variant+mkSetxattr :: Show cStringOrCInt => String -- ^ Function name+ -> cStringOrCInt -- ^ Filepath ('CString') or handle ('CInt')+ -> (cStringOrCInt -> CString -> Ptr Void -> CSize -> CInt -> IO CInt)+ -> AttrName -- ^ Attribute name+ -> AttrValue -- ^ New value+ -> XattrMode -- ^ Mode+ -> IO ()+mkSetxattr funcName pathOrHandle cFunc attrName attrData mode =+ throwErrnoIfMinus1_ funcName $ withCString attrName $ \cName ->+ useAsCStringLen attrData $ \(cVal, cValLen) ->+ let l = fromIntegral cValLen+ m = fromIntegral . fromEnum $ mode+ in cFunc pathOrHandle cName cVal l m++-- | Set extended attribute of a filesystem object.+setxattr :: FilePath -- ^ Object path+ -> AttrName -- ^ Attribute name+ -> AttrValue -- ^ Value+ -> XattrMode -- ^ Mode+ -> IO ()+#if HAVE_SETXATTR+setxattr path name val mode = withCString path $ \cName ->+ mkSetxattr "setxattr" cName c_setxattr name val mode++foreign import ccall unsafe "setxattr"+ c_setxattr :: CString -> CString -> Ptr Void -> CSize -> CInt -> IO CInt+#else+setxattr = error "System.Xattr.setxattr: not supported"+#endif+++-- | Same as 'setxattr', but if the object is a symbolic link the+-- attribute is set on the symbolic link itself, not the object+-- refered to by the link.+lsetxattr :: FilePath -> AttrName -> AttrValue -> XattrMode -> IO ()+#if HAVE_LSETXATTR+lsetxattr path name val mode = withCString path $ \cName ->+ mkSetxattr "lsetxattr" cName c_lsetxattr name val mode++foreign import ccall unsafe "lsetxattr"+ c_lsetxattr :: CString -> CString -> Ptr Void -> CSize -> CInt -> IO CInt+#else+lsetxattr = error "System.Xattr.lsetxattr: not supported"+#endif++-- | Same as 'setxattr', but set the attribute of an open handle.+fsetxattr :: Handle -> AttrName -> AttrValue -> XattrMode -> IO ()+#if HAVE_FSETXATTR+fsetxattr handle name val mode = handleToFd handle >>= \fd ->+ mkSetxattr "fsetxattr" (fromIntegral fd) c_fsetxattr name val mode++foreign import ccall unsafe "fsetxattr"+ c_fsetxattr :: CInt -> CString -> Ptr Void -> CSize -> CInt -> IO CInt+#else+fsetxattr = error "System.Xattr.fsetxattr: not supported"+#endif++--+-- Get extended attributes+--++-- | High level wrapper for a @getxattr@ variant+mkGetxattr :: String -- ^ Function name+ -> cStringOrCInt -- ^ Filepath ('CString') or handle ('CInt')+ -> (cStringOrCInt -> CString -> Ptr Void -> CSize -> IO CSsize)+ -> AttrName -- ^ Attribute name+ -> IO AttrValue+mkGetxattr funcName pathOrHandle cFunc attrName = do+ withCString attrName $ \cName -> do+ len <- throwErrnoIfMinus1 funcName $+ cFunc pathOrHandle cName (nullPtr) 0+ allocaBytes (fromIntegral len) $ \mem -> do+ len' <- throwErrnoIfMinus1 funcName $+ cFunc pathOrHandle cName mem (fromIntegral len)+ packCStringLen (mem, fromIntegral len')++-- | Get extended attribute of an object.+getxattr :: FilePath -> AttrName -> IO AttrValue+#if HAVE_GETXATTR+getxattr path name = withCString path $ \cName ->+ mkGetxattr "getxattr" cName c_getxattr name++foreign import ccall unsafe "getxattr"+ c_getxattr :: CString -> CString -> Ptr Void -> CSize -> IO CSsize+#else+getxattr = error "System.Xattr.getxattr: not supported"+#endif++-- | Same as 'getxattr', but if the object is a symbolic link, the+-- attribute is retrieved from the link itself and not the referenced+-- object.+lgetxattr :: FilePath -> AttrName -> IO AttrValue+#if HAVE_LGETXATTR+lgetxattr path name = withCString path $ \cName ->+ mkGetxattr "lgetxattr" cName c_lgetxattr name++foreign import ccall unsafe "lgetxattr" + c_lgetxattr :: CString -> CString -> Ptr Void -> CSize -> IO CSsize+#else+lgetxattr = error "System.Xattr.lgetxattr: not supported"+#endif++-- | Same as 'getxattr', but get the attribute of an open handle.+fgetxattr :: Handle -> AttrName -> IO AttrValue+#if HAVE_FGETXATTR+fgetxattr handle name = handleToFd handle >>= \fd ->+ mkGetxattr "fgetxattr" (fromIntegral fd) c_fgetxattr name++foreign import ccall unsafe "fgetxattr" + c_fgetxattr :: CInt -> CString -> Ptr Void -> CSize -> IO CSsize+#else+fgetxattr = error "System.Xattr.fgetxattr: not supported"+#endif++--+-- List extended attributes+--++-- | High level wrapper for a @listxattr@ variant+mkListxattr :: String -- ^ Function name+ -> cStringOrCInt -- ^ Filepath ('CString') or handle ('CInt')+ -> (cStringOrCInt -> CString -> CSize -> IO CSsize)+ -> IO [AttrName]+mkListxattr funcName pathOrHandle cFunc = do+ len <- throwErrnoIfMinus1 funcName $+ cFunc pathOrHandle (nullPtr) 0+ allocaBytes (fromIntegral len) $ \mem -> do+ len' <- throwErrnoIfMinus1 funcName $+ cFunc pathOrHandle mem (fromIntegral len)+ splitNull <$> packCStringLen (mem, fromIntegral len')+ where splitNull s = filter (/= "") $ map unpack $ split 0x0 s++-- | Get a list of all of the extended attributes of an object.+listxattr :: FilePath -> IO [AttrName]+#if HAVE_LISTXATTR+listxattr path = withCString path $ \cName ->+ mkListxattr "listxattr" cName c_listxattr++foreign import ccall unsafe "listxattr"+ c_listxattr :: CString -> CString -> CSize -> IO CSsize+#else+listxattr = error "System.Xattr.listxattr: not supported"+#endif++-- | Same as 'listxattr', but if the object is a symbolic link, the+-- attributes of the link itself are returned, not on the referenced object.+llistxattr :: FilePath -> IO [AttrName]+#if HAVE_LLISTXATTR+llistxattr path = withCString path $ \cName ->+ mkListxattr "llistxattr" cName c_llistxattr++foreign import ccall unsafe "llistxattr"+ c_llistxattr :: CString -> CString -> CSize -> IO CSsize+#else+llistxattr = error "System.Xattr.llistxattr: not supported"+#endif++-- | Same as 'listxattr', but get the attributes of an open handle.+flistxattr :: Handle -> IO [AttrName]+#if HAVE_FLISTXATTR+flistxattr handle = handleToFd handle >>= \fd ->+ mkListxattr "flistxattr" (fromIntegral fd) c_flistxattr++foreign import ccall unsafe "flistxattr"+ c_flistxattr :: CInt -> CString -> CSize -> IO CSsize+#else+flistxattr = error "System.Xattr.flistxattr: not supported"+#endif++#endif
configure view
@@ -1,3843 +1,4390 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles.-# Generated by GNU Autoconf 2.63 for System.Xattr 0.5.2.-#-# Report bugs to <evan@eklitzke.org>.-#-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.-# This configure script is free software; the Free Software Foundation-# gives unlimited permission to copy, distribute and modify it.-## --------------------- ##-## M4sh Initialization. ##-## --------------------- ##--# Be more Bourne compatible-DUALCASE=1; export DUALCASE # for MKS sh-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then- emulate sh- NULLCMD=:- # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which- # is contrary to our usage. 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" >&6; }+if ${ac_cv_prog_ac_ct_CC+:} false; then :+ $as_echo_n "(cached) " >&6+else+ if test -n "$ac_ct_CC"; then+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ test -z "$as_dir" && as_dir=.+ for ac_exec_ext in '' $ac_executable_extensions; do+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then+ ac_cv_prog_ac_ct_CC="gcc"+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi+fi+ac_ct_CC=$ac_cv_prog_ac_ct_CC+if test -n "$ac_ct_CC"; then+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+$as_echo "$ac_ct_CC" >&6; }+else+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5+$as_echo "no" >&6; }+fi++ if test "x$ac_ct_CC" = x; then+ CC=""+ else+ case $cross_compiling:$ac_tool_warned in+yes:)+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+ CC=$ac_ct_CC+ fi+else+ CC="$ac_cv_prog_CC"+fi++if test -z "$CC"; then+ if test -n "$ac_tool_prefix"; then+ # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.+set dummy ${ac_tool_prefix}cc; ac_word=$2+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+$as_echo_n "checking for $ac_word... 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((c) | 0x40) : (c))+#endif++#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))+int+main ()+{+ int i;+ for (i = 0; i < 256; i++)+ if (XOR (islower (i), ISLOWER (i))+ || toupper (i) != TOUPPER (i))+ return 2;+ return 0;+}+_ACEOF+if ac_fn_c_try_run "$LINENO"; then :++else+ ac_cv_header_stdc=no+fi+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \+ conftest.$ac_objext conftest.beam conftest.$ac_ext+fi++fi+fi+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5+$as_echo "$ac_cv_header_stdc" >&6; }+if test $ac_cv_header_stdc = yes; then++$as_echo "#define STDC_HEADERS 1" >>confdefs.h++fi++# On IRIX 5.3, sys/types and inttypes.h are conflicting.+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \+ inttypes.h stdint.h unistd.h+do :+ as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default+"+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :+ cat >>confdefs.h <<_ACEOF+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1+_ACEOF++fi++done+++for ac_header in attr/xattr.h+do :+ ac_fn_c_check_header_mongrel "$LINENO" "attr/xattr.h" "ac_cv_header_attr_xattr_h" "$ac_includes_default"+if test "x$ac_cv_header_attr_xattr_h" = xyes; then :+ cat >>confdefs.h <<_ACEOF+#define HAVE_ATTR_XATTR_H 1+_ACEOF++fi++done+++# Serch for libattr library+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getxattr in -lattr" >&5+$as_echo_n "checking for getxattr in -lattr... 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Generated by config.status. */+ configure_input='Generated from '`+ $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'+ `' by configure.'+ if test x"$ac_file" != x-; then+ configure_input="$ac_file. $configure_input"+ { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5+$as_echo "$as_me: creating $ac_file" >&6;}+ fi+ # Neutralize special characters interpreted by sed in replacement strings.+ case $configure_input in #(+ *\&* | *\|* | *\\* )+ ac_sed_conf_input=`$as_echo "$configure_input" |+ sed 's/[\\\\&|]/\\\\&/g'`;; #(+ *) ac_sed_conf_input=$configure_input;;+ esac++ case $ac_tag in+ *:-:* | *:-) cat >"$ac_tmp/stdin" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;+ esac+ ;;+ esac++ ac_dir=`$as_dirname -- "$ac_file" ||+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \+ X"$ac_file" : 'X\(//\)[^/]' \| \+ X"$ac_file" : 'X\(//\)$' \| \+ X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||+$as_echo X"$ac_file" |+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+ s//\1/+ q+ }+ /^X\(\/\/\)[^/].*/{+ s//\1/+ q+ }+ /^X\(\/\/\)$/{+ s//\1/+ q+ }+ /^X\(\/\).*/{+ s//\1/+ q+ }+ s/.*/./; q'`+ as_dir="$ac_dir"; as_fn_mkdir_p+ ac_builddir=.++case "$ac_dir" in+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;+*)+ ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`+ # A ".." for each directory in $ac_dir_suffix.+ ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`+ case $ac_top_builddir_sub in+ "") ac_top_builddir_sub=. ac_top_build_prefix= ;;+ *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;+ esac ;;+esac+ac_abs_top_builddir=$ac_pwd+ac_abs_builddir=$ac_pwd$ac_dir_suffix+# for backward compatibility:+ac_top_builddir=$ac_top_build_prefix++case $srcdir in+ .) # We are building in place.+ ac_srcdir=.+ ac_top_srcdir=$ac_top_builddir_sub+ ac_abs_top_srcdir=$ac_pwd ;;+ [\\/]* | ?:[\\/]* ) # Absolute name.+ ac_srcdir=$srcdir$ac_dir_suffix;+ ac_top_srcdir=$srcdir+ ac_abs_top_srcdir=$srcdir ;;+ *) # Relative name.+ ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix+ ac_top_srcdir=$ac_top_build_prefix$srcdir+ ac_abs_top_srcdir=$ac_pwd/$srcdir ;;+esac+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix+++ case $ac_mode in++ :H)+ #+ # CONFIG_HEADER+ #+ if test x"$ac_file" != x-; then+ {+ $as_echo "/* $configure_input */" \+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"+ } >"$ac_tmp/config.h" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5+ if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then+ { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5+$as_echo "$as_me: $ac_file is unchanged" >&6;}+ else+ rm -f "$ac_file"+ mv "$ac_tmp/config.h" "$ac_file" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5+ fi+ else+ $as_echo "/* $configure_input */" \+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \+ || as_fn_error $? "could not create -" "$LINENO" 5+ fi+ ;;+++ esac++done # for ac_tag+++as_fn_exit 0+_ACEOF+ac_clean_files=$ac_clean_files_save++test $ac_write_fail = 0 ||+ as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5+++# configure is writing to config.log, and then calls config.status.+# config.status does its own redirection, appending to config.log.+# Unfortunately, on DOS this fails, as config.log is still kept open+# by configure, so config.status won't be able to write to it; its+# output is simply discarded. So we exec the FD to /dev/null,+# effectively closing config.log, so it can be properly (re)opened and+# appended to by config.status. When coming back to configure, we+# need to make the FD available again.+if test "$no_create" != yes; then+ ac_cs_success=:+ ac_config_status_args=+ test "$silent" = yes &&+ ac_config_status_args="$ac_config_status_args --quiet"+ exec 5>/dev/null+ $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false+ exec 5>>config.log+ # Use ||, not &&, to avoid exiting from the if with $? = 1, which+ # would make configure fail if this is the last instruction.+ $ac_cs_success || as_fn_exit 1+fi+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}+fi
configure.ac view
@@ -2,20 +2,24 @@ # Process this file with autoconf to produce a configure script. AC_PREREQ([2.63])-AC_INIT([System.Xattr], [0.5.2], [evan@eklitzke.org])+AC_INIT([System.Xattr], [0.6.0], [evan@eklitzke.org, deian@cs.stanford.edu]) # Checks for programs.-AC_PROG_AWK AC_PROG_CC -# Checks for libraries.+AC_CONFIG_HEADERS([include/HsXattrConfig.h]) # Checks for header files.-AC_CHECK_HEADERS([sys/types.h attr/xattr.h])+AC_CHECK_HEADERS([attr/xattr.h]) +# Serch for libattr library+AC_CHECK_LIB(attr, getxattr)+ # Checks for typedefs, structures, and compiler characteristics. # Checks for library functions. AC_CHECK_FUNCS([getxattr lgetxattr fgetxattr]) AC_CHECK_FUNCS([setxattr lsetxattr fsetxattr]) AC_CHECK_FUNCS([listxattr llistxattr flistxattr])++AC_OUTPUT
+ include/HsXattrConfig.h view
@@ -0,0 +1,83 @@+/* include/HsXattrConfig.h. Generated from HsXattrConfig.h.in by configure. */+/* include/HsXattrConfig.h.in. Generated from configure.ac by autoheader. */++/* Define to 1 if you have the <attr/xattr.h> header file. */+#define HAVE_ATTR_XATTR_H 1++/* Define to 1 if you have the `fgetxattr' function. */+#define HAVE_FGETXATTR 1++/* Define to 1 if you have the `flistxattr' function. */+#define HAVE_FLISTXATTR 1++/* Define to 1 if you have the `fsetxattr' function. */+#define HAVE_FSETXATTR 1++/* Define to 1 if you have the `getxattr' function. */+#define HAVE_GETXATTR 1++/* Define to 1 if you have the <inttypes.h> header file. */+#define HAVE_INTTYPES_H 1++/* Define to 1 if you have the `lgetxattr' function. */+#define HAVE_LGETXATTR 1++/* Define to 1 if you have the `attr' library (-lattr). */+#define HAVE_LIBATTR 1++/* Define to 1 if you have the `listxattr' function. */+#define HAVE_LISTXATTR 1++/* Define to 1 if you have the `llistxattr' function. */+#define HAVE_LLISTXATTR 1++/* Define to 1 if you have the `lsetxattr' function. */+#define HAVE_LSETXATTR 1++/* Define to 1 if you have the <memory.h> header file. */+#define HAVE_MEMORY_H 1++/* Define to 1 if you have the `setxattr' function. */+#define HAVE_SETXATTR 1++/* Define to 1 if you have the <stdint.h> header file. */+#define HAVE_STDINT_H 1++/* Define to 1 if you have the <stdlib.h> header file. */+#define HAVE_STDLIB_H 1++/* Define to 1 if you have the <strings.h> header file. */+#define HAVE_STRINGS_H 1++/* Define to 1 if you have the <string.h> header file. */+#define HAVE_STRING_H 1++/* Define to 1 if you have the <sys/stat.h> header file. */+#define HAVE_SYS_STAT_H 1++/* Define to 1 if you have the <sys/types.h> header file. */+#define HAVE_SYS_TYPES_H 1++/* Define to 1 if you have the <unistd.h> header file. */+#define HAVE_UNISTD_H 1++/* Define to the address where bug reports for this package should be sent. */+#define PACKAGE_BUGREPORT "evan@eklitzke.org, deian@cs.stanford.edu"++/* Define to the full name of this package. */+#define PACKAGE_NAME "System.Xattr"++/* Define to the full name and version of this package. */+#define PACKAGE_STRING "System.Xattr 0.6.0"++/* Define to the one symbol short name of this package. */+#define PACKAGE_TARNAME "system-xattr"++/* Define to the home page for this package. */+#define PACKAGE_URL ""++/* Define to the version of this package. */+#define PACKAGE_VERSION "0.6.0"++/* Define to 1 if you have the ANSI C header files. */+#define STDC_HEADERS 1
+ include/HsXattrConfig.h.in view
@@ -0,0 +1,82 @@+/* include/HsXattrConfig.h.in. Generated from configure.ac by autoheader. */++/* Define to 1 if you have the <attr/xattr.h> header file. */+#undef HAVE_ATTR_XATTR_H++/* Define to 1 if you have the `fgetxattr' function. */+#undef HAVE_FGETXATTR++/* Define to 1 if you have the `flistxattr' function. */+#undef HAVE_FLISTXATTR++/* Define to 1 if you have the `fsetxattr' function. */+#undef HAVE_FSETXATTR++/* Define to 1 if you have the `getxattr' function. */+#undef HAVE_GETXATTR++/* Define to 1 if you have the <inttypes.h> header file. */+#undef HAVE_INTTYPES_H++/* Define to 1 if you have the `lgetxattr' function. */+#undef HAVE_LGETXATTR++/* Define to 1 if you have the `attr' library (-lattr). */+#undef HAVE_LIBATTR++/* Define to 1 if you have the `listxattr' function. */+#undef HAVE_LISTXATTR++/* Define to 1 if you have the `llistxattr' function. */+#undef HAVE_LLISTXATTR++/* Define to 1 if you have the `lsetxattr' function. */+#undef HAVE_LSETXATTR++/* Define to 1 if you have the <memory.h> header file. */+#undef HAVE_MEMORY_H++/* Define to 1 if you have the `setxattr' function. */+#undef HAVE_SETXATTR++/* Define to 1 if you have the <stdint.h> header file. */+#undef HAVE_STDINT_H++/* Define to 1 if you have the <stdlib.h> header file. */+#undef HAVE_STDLIB_H++/* Define to 1 if you have the <strings.h> header file. */+#undef HAVE_STRINGS_H++/* Define to 1 if you have the <string.h> header file. */+#undef HAVE_STRING_H++/* Define to 1 if you have the <sys/stat.h> header file. */+#undef HAVE_SYS_STAT_H++/* Define to 1 if you have the <sys/types.h> header file. */+#undef HAVE_SYS_TYPES_H++/* Define to 1 if you have the <unistd.h> header file. */+#undef HAVE_UNISTD_H++/* Define to the address where bug reports for this package should be sent. */+#undef PACKAGE_BUGREPORT++/* Define to the full name of this package. */+#undef PACKAGE_NAME++/* Define to the full name and version of this package. */+#undef PACKAGE_STRING++/* Define to the one symbol short name of this package. */+#undef PACKAGE_TARNAME++/* Define to the home page for this package. */+#undef PACKAGE_URL++/* Define to the version of this package. */+#undef PACKAGE_VERSION++/* Define to 1 if you have the ANSI C header files. */+#undef STDC_HEADERS
− src/System/Xattr.hs
@@ -1,146 +0,0 @@------------------------------------------------------------------------------------ |--- Module : System.Xattr--- Copyright : (c) Evan Klitzke 2009--- License : BSD3--- Maintainer: Evan Klitzke <evan@eklitzke.org>--- Stability : experimental--- Portability : GHC only------ Relatively low-level interface to work with extended attributes on Unix--- systems. This is a fairly straightforward port of the API exposed by SGI's--- libattr.--------------------------------------------------------------------------------------module System.Xattr- (- -- * Functions- -- ** Set Functions- setxattr- , lsetxattr- , fsetxattr-- -- ** Get Functions- , getxattr- , lgetxattr- , fgetxattr-- -- ** List Functions- , listxattr- , llistxattr- , flistxattr-- -- * Data Types- , AttrName- , XattrMode(RegularMode,CreateMode,ReplaceMode)- )- where--import Data.Char-import Foreign.C-import Foreign.Ptr-import Foreign.Marshal.Alloc-import System.Posix.Types-import System.Posix.IO-import System.IO-import System.Xattr.Types--import Data.ByteString (ByteString, useAsCStringLen, packCStringLen)--type Void = CChar--allocBufSize :: Int-allocBufSize = 4096--allocCSize :: CSize-allocCSize = fromIntegral allocBufSize--foreign import ccall unsafe "setxattr" c_setxattr :: CString -> CString -> Ptr Void -> CSize -> CInt -> IO CInt-foreign import ccall unsafe "lsetxattr" c_lsetxattr :: CString -> CString -> Ptr Void -> CSize -> CInt -> IO CInt-foreign import ccall unsafe "fsetxattr" c_fsetxattr :: CInt -> CString -> Ptr Void -> CSize -> CInt -> IO CInt--foreign import ccall unsafe "getxattr" c_getxattr :: CString -> CString -> Ptr Void -> CSize -> IO CSize-foreign import ccall unsafe "lgetxattr" c_lgetxattr :: CString -> CString -> Ptr Void -> CSize -> IO CSize-foreign import ccall unsafe "fgetxattr" c_fgetxattr :: CInt -> CString -> Ptr Void -> CSize -> IO CSize--foreign import ccall unsafe "listxattr" c_listxattr :: CString -> CString -> CSize -> IO CSsize-foreign import ccall unsafe "llistxattr" c_llistxattr :: CString -> CString -> CSize -> IO CSsize-foreign import ccall unsafe "flistxattr" c_flistxattr :: CInt -> CString -> CSize -> IO CSsize---- return a high level wrapper for a setxattr variant-mkSetxattr :: String -> a -> (a -> IO b) -> (b -> CString -> Ptr Void -> CSize -> CInt -> IO CInt) -> AttrName -> ByteString -> XattrMode -> IO ()-mkSetxattr funcName x iox cFunc attrName attrData mode = do- x' <- iox x- cName <- newCString attrName- val <- useAsCStringLen attrData $ \(binaryData, dataLen) ->- cFunc x' cName binaryData (fromIntegral dataLen) (fromIntegral $ fromEnum mode)- if val /= 0- then throwErrno funcName- else return ()--handleToIOCInt :: Handle -> IO CInt-handleToIOCInt = fmap fromIntegral . handleToFd---- |Set an attribute on a regular file, by path-setxattr :: FilePath -> AttrName -> ByteString -> XattrMode -> IO ()-setxattr path = mkSetxattr "setxattr" path newCString c_setxattr---- |Like setxattr, but if the path is a symbolic link set the attribute on the link itself (not the file pointed to by the link)-lsetxattr :: FilePath -> AttrName -> ByteString -> XattrMode -> IO ()-lsetxattr path = mkSetxattr "lsetxattr" path newCString c_lsetxattr---- |Like setxattr, but use the handle specified rather than a file path-fsetxattr :: Handle -> AttrName -> ByteString -> XattrMode -> IO ()-fsetxattr handle = mkSetxattr "fsetxattr" handle handleToIOCInt c_fsetxattr---- return a high level wrapper for a getxattr variant-mkGetxattr :: String -> a -> (a -> IO b) -> (b -> CString -> Ptr Void -> CSize -> IO CSize) -> AttrName -> IO ByteString-mkGetxattr funcName x iox cFunc attrName = do- x' <- iox x- cName <- newCString attrName- allocaBytes allocBufSize $ \mem -> do- buflen <- cFunc x' cName mem allocCSize- if buflen == -1- then throwErrno funcName- else packCStringLen (mem, fromIntegral buflen)---- |Get an attribute on a regular file, by path-getxattr :: FilePath -> AttrName -> IO ByteString-getxattr path = mkGetxattr "getxattr" path newCString c_getxattr---- |Like getxattr, but if the path is a symbolic link get the attribute on the link itself (not the file pointed to by the link)-lgetxattr :: FilePath -> AttrName -> IO ByteString-lgetxattr path = mkGetxattr "lgetxattr" path newCString c_lgetxattr---- |Like getxattr, but use the handle specified rather than a file path-fgetxattr :: Handle -> AttrName -> IO ByteString-fgetxattr handle = mkGetxattr "fgetxattr" handle handleToIOCInt c_fgetxattr---- split a string on NUL characters-splitNull :: String -> [String]-splitNull [] = []-splitNull s = case suf of- "" -> [pre]- _ -> pre : (splitNull $ tail suf)- where (pre, suf) = break (\c -> ord c == 0) s--mkListxattr :: String -> a -> (a -> IO b) -> (b -> CString -> CSize -> IO CSsize) -> IO [AttrName]-mkListxattr funcName x iox cFunc = do- x' <- iox x- allocaBytes allocBufSize $ \mem -> do buflen <- cFunc x' mem allocCSize- if buflen == -1- then throwErrno funcName- else fmap splitNull $ peekCStringLen (mem, fromIntegral buflen)---- |Get a list of all of the attributes set on a path-listxattr :: FilePath -> IO [AttrName]-listxattr path = mkListxattr "listxattr" path newCString c_listxattr---- |Like listxattr, but if the path is a symbolic link get the attributes on the link itself (not the file pointed to by the link)-llistxattr :: FilePath -> IO [AttrName]-llistxattr path = mkListxattr "llistxattr" path newCString c_llistxattr---- |Like listxattr, but use the handle specified rather than a file path-flistxattr :: Handle -> IO [AttrName]-flistxattr handle = mkListxattr "flistxattr" handle handleToIOCInt c_flistxattr
− src/System/Xattr/Types.hsc
@@ -1,30 +0,0 @@-module System.Xattr.Types- (- -- * Data Types- AttrName- , XattrMode(RegularMode,CreateMode,ReplaceMode)- )- where--#include <sys/types.h>-#include <attr/xattr.h>---- |Represents the mode for an update (i.e. set) operation-data XattrMode- = RegularMode -- ^ The attribute will be created if it does not yet exist, and replace the existing named attribute otherwise.- | CreateMode -- ^ Specifies a pure create, which fails if the named attribute exists already.- | ReplaceMode -- ^ Specifies a pure replace operation, which fails if the named attribute does not already exist.- deriving (Eq, Show)--instance Enum XattrMode where- fromEnum RegularMode = 0- fromEnum CreateMode = #{const XATTR_CREATE}- fromEnum ReplaceMode = #{const XATTR_REPLACE}- toEnum 0 = RegularMode- toEnum #{const XATTR_CREATE} = CreateMode- toEnum #{const XATTR_REPLACE} = ReplaceMode---- |The name of an attribute. Some filesystems support arbitrarily long names,--- but for portability you're recommended to limit this to 255 bytes.-type AttrName = String -
+ tests/Tests.hs view
@@ -0,0 +1,98 @@+{-# LANGUAGE OverloadedStrings #-}+{-# OPTIONS_GHC -fno-warn-orphans #-}++module Main (main) where++import Test.Framework (Test, defaultMain)+import Test.Framework.Providers.HUnit (testCase)+import Test.HUnit hiding (Test)++import Data.List (sort)+import Control.Monad (forM_)+import Control.Exception (bracket)+import System.IO+import System.Directory+import System.Posix.Temp+import System.Xattr+import qualified Data.ByteString.Char8 as BC+import System.IO.Unsafe++main :: IO ()+main = defaultMain tests++name :: AttrName+name = "user.xattrName"++value :: AttrValue+value = "xattrValue\255\0\1\2Ends\42\43Here"++nrAttrs :: Int+nrAttrs = 10++tests :: [Test]+tests = [ + testCase "set_get_xattr" test_set_get_xattr+ , testCase "fset_fget_xattr" test_fset_fget_xattr+ , testCase "set_fget_xattr" test_set_fget_xattr+ , testCase "fset_get_xattr" test_fset_get_xattr+ , testCase "set_list_xattr" test_set_list_xattr+ , testCase "fset_flist_xattr" test_fset_flist_xattr+ ]++test_set_get_xattr :: Assertion+{-# NOINLINE test_set_get_xattr #-}+test_set_get_xattr = unsafePerformIO $ do+ withTmpFile $ \(path,_) -> do+ setxattr path name value RegularMode+ value' <- getxattr path name+ return $ value' @?= value++test_fset_fget_xattr :: Assertion+{-# NOINLINE test_fset_fget_xattr #-}+test_fset_fget_xattr = unsafePerformIO $ do+ withTmpFile $ \(_,h) -> do+ fsetxattr h name value RegularMode+ value' <- fgetxattr h name+ return $ value' @?= value++test_set_fget_xattr :: Assertion+{-# NOINLINE test_set_fget_xattr #-}+test_set_fget_xattr = unsafePerformIO $ do+ withTmpFile $ \(path,h) -> do+ setxattr path name value RegularMode+ value' <- fgetxattr h name+ return $ value' @?= value++test_fset_get_xattr :: Assertion+{-# NOINLINE test_fset_get_xattr #-}+test_fset_get_xattr = unsafePerformIO $ do+ withTmpFile $ \(path,h) -> do+ fsetxattr h name value RegularMode+ value' <- getxattr path name+ return $ value' @?= value++test_set_list_xattr :: Assertion+{-# NOINLINE test_set_list_xattr #-}+test_set_list_xattr = unsafePerformIO $ do+ withTmpFile $ \(path,_) -> do+ let attrs = map (\x -> name ++ show x) [1..nrAttrs]+ forM_ attrs $ \namei -> + setxattr path namei value RegularMode+ attrs' <- listxattr path+ return $ sort attrs' @?= sort attrs+ +test_fset_flist_xattr :: Assertion+{-# NOINLINE test_fset_flist_xattr #-}+test_fset_flist_xattr = unsafePerformIO $ do+ withTmpFile $ \(_,h) -> do+ let attrs = map (\x -> name ++ show x) [1..nrAttrs]+ forM_ attrs $ \namei -> + fsetxattr h namei value RegularMode+ attrs' <- flistxattr h+ return $ sort attrs' @?= sort attrs++withTmpFile :: ((FilePath, Handle) -> IO Assertion) -> IO Assertion+withTmpFile io = do+ bracket (mkstemp "xattrXXXXXX") -- works with old version of mkstemp+ (\(path,h) -> hClose h >> removeFile path)+ (\(path,h) -> BC.hPutStr h "testing xattr" >> io (path,h))
xattr.cabal view
@@ -1,27 +1,62 @@-Author: Evan Klitzke-Maintainer: Evan Klitzke <evan@eklitzke.org>+Author: Evan Klitzke, Deian Stefan+Maintainer: Deian Stefan <deian@cs.stanford.edu> Name: xattr-Version: 0.5.2-Cabal-Version: >= 1.2+Version: 0.6.0+Cabal-Version: >= 1.8 License: BSD3 License-File: LICENSE Category: System-Copyright: (c) 2009 by Evan Klitzke-Synopsis: Haskell bindings to libattr+Copyright: (c) 2009 by Evan Klitzke, (c) 2012 by Deian Stefan+Synopsis: Haskell extended file attributes interface Description:- Relatively low-level interface to work with extended attributes on Unix- systems. This is a fairly straightforward port of the API exposed by SGI's- libattr.+ Relatively low-level interface to work with extended attributes+ on Unix systems. This is a fairly straightforward port of the+ API exposed by SGI's libattr. Build-Type: Configure Extra-Source-Files:- README.md- LICENSE- configure.ac- configure+ README.md+ LICENSE+ configure.ac+ configure+ include/HsXattrConfig.h.in+Extra-Tmp-Files:+ config.log config.status autom4te.cache+ include/HsXattrConfig.h Library- Exposed-Modules: System.Xattr System.Xattr.Types- Build-Depends: base, bytestring, unix - Extensions: ForeignFunctionInterface, CPP- Hs-Source-Dirs: src+ Exposed-Modules:+ System.Xattr+ Build-Depends:+ base >= 4.0 && < 5,+ bytestring,+ unix+ Extensions: CPP, ForeignFunctionInterface+ Extra-Libraries: attr+ Include-Dirs: include+ Includes: HsXattrConfig.h+ Install-Includes: HsXattrConfig.h+ GHC-Options: -Wall -fno-warn-orphans++Source-Repository head+ Type: git+ Location: git://github.com/deian/libattr-hs.git++Test-Suite tests+ Type: exitcode-stdio-1.0+ Hs-Source-Dirs: tests+ Main-Is: Tests.hs++ GHC-Options: -Wall -threaded -rtsopts++ Build-Depends:+ HUnit,+ xattr,+ unix,+ filepath,+ base,+ directory,+ containers,+ bytestring,+ test-framework,+ test-framework-hunit