Mark files that make use of POSIX ACLs

This commit is contained in:
Přemysl Eric Janouch 2017-07-14 21:49:32 +02:00
parent 8c658475b4
commit fb73fc8292
Signed by: p
GPG Key ID: B715679E3A361BE6
3 changed files with 15 additions and 4 deletions

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@ -20,7 +20,7 @@ pkg_check_modules (NCURSESW QUIET ncursesw)
add_executable (${PROJECT_NAME} ${PROJECT_NAME}.cpp)
target_include_directories (${PROJECT_NAME} PUBLIC ${NCURSESW_INCLUDE_DIRS})
target_link_libraries (${PROJECT_NAME} PUBLIC ${NCURSESW_LIBRARIES})
target_link_libraries (${PROJECT_NAME} PUBLIC ${NCURSESW_LIBRARIES} acl)
target_compile_features (${PROJECT_NAME} PUBLIC cxx_std_14)
target_compile_definitions (${PROJECT_NAME} PUBLIC
-DPROJECT_NAME=\"${PROJECT_NAME}\" -DPROJECT_VERSION=\"${version}\")

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@ -3,7 +3,7 @@ CXXFLAGS = -g -std=c++14 -Wall -Wextra -pedantic -static-libstdc++
all: sdn
%: %.cpp CMakeLists.txt
$(CXX) $(CXXFLAGS) $< -o $@ `pkg-config --libs --cflags ncursesw` \
$(CXX) $(CXXFLAGS) $< -o $@ `pkg-config --libs --cflags ncursesw` -lacl \
`sed -ne 's/^project (\([^ )]*\).*/-DPROJECT_NAME="\1"/p' \
-e 's/^set (version \([^ )]*\).*/-DPROJECT_VERSION="\1"/p' CMakeLists.txt`
clean:

15
sdn.cpp
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@ -26,15 +26,18 @@
#include <cstdlib>
#include <fstream>
#include <ncurses.h>
#include <unistd.h>
#include <dirent.h>
#include <sys/stat.h>
#include <sys/inotify.h>
#include <sys/acl.h>
#include <fcntl.h>
#include <pwd.h>
#include <grp.h>
#include <acl/libacl.h>
#include <ncurses.h>
// Unicode is complex enough already and we might make assumptions
#ifndef __STDC_ISO_10646__
#error Unicode required for wchar_t
@ -288,7 +291,15 @@ static struct {
fun make_row (const string &filename, const struct stat &info) -> row {
row r;
r.cols[row::MODES] = apply_attrs (decode_mode (info.st_mode), 0);
auto mode = decode_mode (info.st_mode);
if (auto acl = acl_get_file (filename.c_str (), ACL_TYPE_ACCESS)) {
mode_t m;
// This is a Linux-only extension
if (!acl_equiv_mode (acl, &m) && (m ^ info.st_mode) & 0777)
mode += L"+";
acl_free (acl);
}
r.cols[row::MODES] = apply_attrs (mode, 0);
auto user = to_wstring (info.st_uid);
if (auto u = getpwuid (info.st_uid))