14#include <unordered_set>
27#include <zypp-core/base/InputStream>
34#undef ZYPP_BASE_LOGGER_LOGGROUP
35#define ZYPP_BASE_LOGGER_LOGGROUP "zypp::misc"
54 using CacheEntry = std::pair<std::string, std::unordered_set<std::string>>;
62 struct FilterRunsInContainer
77 Type in_our_root(
const Pathname &path )
const {
79 const PathInfo procInfoStat( path );
82 if ( procInfoStat.error() )
return IGNORE;
85 if ( procInfoStat.nlink() == 0 )
90 if ( linkTarget.empty() )
return IGNORE;
94 if ( linkTarget.relative() )
return IGNORE;
102 const PathInfo linkStat( linkTarget );
105 if ( !linkStat.isExist() )
109 if ( linkStat.ino() != procInfoStat.ino())
113 if ( linkStat.dev() != procInfoStat.dev() )
125 bool operator()(
const pid_t pid )
const {
128 const Pathname pidDir = Pathname(
"/proc") /
asString(pid);
129 const Pathname exeFile = pidDir /
"exe";
131 auto res = in_our_root( exeFile );
133 return res == CONTAINER;
139 std::unordered_set<std::string> tested;
142 filesystem::dirForEach( pidDir /
"map_files", [
this, &tested, &res ](
const Pathname & dir_r,
const char *
const & name_r ){
145 constexpr bool contloop =
true;
146 constexpr bool stoploop =
false;
148 const Pathname entryName = dir_r / name_r;
152 if ( linkTarget.empty() || !tested.insert( linkTarget.asString() ).second )
return contloop;
155 const auto mappedFileType = in_our_root( entryName );
158 if ( mappedFileType > IGNORE ) {
159 res = mappedFileType;
169 return res == CONTAINER;
172 FilterRunsInContainer() {}
183 using target::rpm::librpmDb;
196 librpmDb::blockAccess();
203 librpmDb::db_const_iterator it;
204 return( it.findPackage(
"lsof" ) && it->tag_edition() < Edition(
"4.90") && !it->tag_provides().count( Capability(
"backported-option-Ki") ) );
221 std::vector<CheckAccessDeleted::ProcInfo>
_data;
241 const auto & filelist(
cache_r.second );
243 if ( filelist.empty() )
249 pinfo.files.insert(
pinfo.files.begin(), filelist.begin(), filelist.end() );
279 if (
pinfo.command.empty() ) {
282 if (!_fromLsofFileMode)
284 if (
pinfo.command.empty() )
291 if ( *
ch ==
'\n' )
break;
292 do { ++
ch; }
while ( *
ch !=
'\0' );
322 if ( *(
ch+1) !=
'0' )
335 if ( *
ch ==
'\n' )
break;
336 do { ++
ch; }
while ( *
ch !=
'\0' );
339 if ( !
t || !
f || !
n )
342 if ( !( ( *
t ==
'R' && *(
t+1) ==
'E' && *(
t+2) ==
'G' && *(
t+3) ==
'\0' )
343 || ( *
t ==
'D' && *(
t+1) ==
'E' && *(
t+2) ==
'L' && *(
t+3) ==
'\0' ) ) )
346 if ( !( ( *
f ==
'm' && *(
f+1) ==
'e' && *(
f+2) ==
'm' && *(
f+3) ==
'\0' )
347 || ( *
f ==
't' && *(
f+1) ==
'x' && *(
f+2) ==
't' && *(
f+3) ==
'\0' )
348 || ( *
f ==
'D' && *(
f+1) ==
'E' && *(
f+2) ==
'L' && *(
f+3) ==
'\0' )
349 || ( *
f ==
'l' && *(
f+1) ==
't' && *(
f+2) ==
'x' && *(
f+3) ==
'\0' ) ) )
361 if ( *
f ==
'm' || *
f ==
'D' )
363 static const char *
black[] = {
394 _pimpl->_fromLsofFileMode =
true;
404 return _pimpl->createProcInfo( cache );
411 std::map<pid_t,CacheEntry>
cachemap;
417 MIL <<
"Silently scanning lsof output..." << endl;
422 if (
line[0] ==
'p' )
449 static const char*
argv[] = {
"lsof",
"-n",
"-FpcuLRftkn0",
"-K",
"i",
NULL };
454 _pimpl->_fromLsofFileMode =
false;
457 std::map<pid_t,CacheEntry>
cachemap;
486 if ( !_debugFile.empty() ) {
491 ERR<<
"Unable to open debug file: "<<_debugFile<<endl;
499 addDataIf(
cached.second);
501 std::vector<std::string> *
mapPtr =
nullptr;
504 if (
dbgInfo != debugMap.end() )
520 return _pimpl->_data.empty();
525 return _pimpl->_data.size();
530 return _pimpl->_data.begin();
535 return _pimpl->_data.end();
556 static const str::regex rx(
"(0::|[0-9]+:name=systemd:)/system.slice/(.*/)?(.*).service(/.*)?$" );
591 if (
obj.pid.empty() )
592 return str <<
"<NoProc>";
Reference counted access to a Tp object calling a custom Dispose function when the last AutoDispose h...
void swap(AutoDispose &rhs) noexcept
Exchange the contents of two AutoDispose objects.
AutoDispose()
Default Ctor using default constructed value and no dispose function.
CheckAccessDeleted::Impl * clone() const
CheckAccessDeleted::size_type createProcInfo(const std::map< pid_t, CacheEntry > &in)
std::map< pid_t, std::vector< std::string > > debugMap
void addCacheIf(CacheEntry &cache_r, const std::string &line_r, std::vector< std::string > *debMap=nullptr)
Add file to cache if it refers to a deleted executable or library file:
std::map< pid_t, CacheEntry > filterInput(externalprogram::ExternalDataSource &source)
bool addDataIf(const CacheEntry &cache_r, std::vector< std::string > *debMap=nullptr)
Add cache to data if the process is accessing deleted files.
std::vector< CheckAccessDeleted::ProcInfo > _data
Check for running processes which access deleted executables or libraries.
size_type check(bool verbose_r=false)
Check for running processes which access deleted executables or libraries.
CheckAccessDeleted(bool doCheck_r=true)
Default ctor performs check immediately.
const_iterator end() const
std::ostream & operator<<(std::ostream &str, const CheckAccessDeleted &obj)
Stream output.
const_iterator begin() const
static std::string findService(pid_t pid_r)
Guess if pid was started by a systemd service script.
std::vector< ProcInfo >::const_iterator const_iterator
void setDebugOutputFile(const Pathname &filename_r)
Writes all filtered process entries that make it into the final set into a file specified by filename...
RWCOW_pointer< Impl > _pimpl
Base class for Exception.
void remember(const Exception &old_r)
Store an other Exception as history.
Execute a program and give access to its io An object of this class encapsulates the execution of an ...
Bidirectional stream to external data.
std::string receiveLine()
Read one line from the input stream.
bool empty() const
Test for an empty path.
Regular expression match result.
String related utilities and Regular expression matching.
int dirForEach(const Pathname &dir_r, const StrMatcher &matcher_r, function< bool(const Pathname &, const char *const)> fnc_r)
int readlink(const Pathname &symlink_r, Pathname &target_r)
Like 'readlink'.
int simpleParseFile(std::istream &str_r, ParseFlags flags_r, function< bool(int, std::string)> consume_r)
Simple lineparser optionally trimming and skipping comments.
std::string numstring(char n, int w=0)
bool hasPrefix(const C_Str &str_r, const C_Str &prefix_r)
Return whether str_r has prefix prefix_r.
bool startsWith(const C_Str &str_r, const C_Str &prefix_r)
alias for hasPrefix
bool regex_match(const std::string &s, smatch &matches, const regex ®ex)
\relates regex \ingroup ZYPP_STR_REGEX \relates regex \ingroup ZYPP_STR_REGEX
TInt strtonum(const C_Str &str)
Parsing numbers from string.
bool contains(const C_Str &str_r, const C_Str &val_r)
Locate substring case sensitive.
Easy-to use interface to the ZYPP dependency resolver.
std::ostream & dumpRangeLine(std::ostream &str, TIterator begin, TIterator end)
Print range defined by iterators (single line style).
std::ostream & dumpRange(std::ostream &str, TIterator begin, TIterator end, const std::string &intro="{", const std::string &pfx="\n ", const std::string &sep="\n ", const std::string &sfx="\n", const std::string &extro="}")
Print range defined by iterators (multiline style).
std::string asString(const Patch::Category &obj)
Data about one running process accessing deleted files.
std::string service() const
Guess if command was started by a systemd service script.
Exchange LineWriter for the lifetime of this object.
#define arrayBegin(A)
Simple C-array iterator.
#define for_(IT, BEG, END)
Convenient for-loops using iterator.
#define ZYPP_CAUGHT(EXCPT)
Drops a logline telling the Exception was caught (in order to handle it).
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.