14#include <unordered_set>
17#include <zypp/base/LogControl.h>
18#include <zypp/base/LogTools.h>
19#include <zypp/base/String.h>
20#include <zypp/base/Gettext.h>
21#include <zypp/base/Exception.h>
23#include <zypp/PathInfo.h>
24#include <zypp/ExternalProgram.h>
25#include <zypp/base/Regex.h>
26#include <zypp/base/IOStream.h>
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;
97 const PathInfo linkStat( linkTarget );
100 if ( !linkStat.isExist() )
104 if ( linkStat.ino() != procInfoStat.ino())
108 if ( linkStat.dev() != procInfoStat.dev() )
120 bool operator()(
const pid_t pid )
const {
123 const Pathname pidDir = Pathname(
"/proc") /
asString(pid);
124 const Pathname exeFile = pidDir /
"exe";
126 auto res = in_our_root( exeFile );
128 return res == CONTAINER;
134 std::unordered_set<std::string> tested;
137 filesystem::dirForEach( pidDir /
"map_files", [
this, &tested, &res ](
const Pathname & dir_r,
const char *
const & name_r ){
140 constexpr bool contloop =
true;
141 constexpr bool stoploop =
false;
143 const Pathname entryName = dir_r / name_r;
147 if ( linkTarget.empty() || !tested.insert( linkTarget.asString() ).second )
return contloop;
150 const auto mappedFileType = in_our_root( entryName );
153 if ( mappedFileType > IGNORE ) {
154 res = mappedFileType;
164 return res == CONTAINER;
167 FilterRunsInContainer() {}
178 using target::rpm::librpmDb;
191 librpmDb::blockAccess();
198 librpmDb::db_const_iterator it;
199 return( it.findPackage(
"lsof" ) && it->tag_edition() < Edition(
"4.90") && !it->tag_provides().count( Capability(
"backported-option-Ki") ) );
216 std::vector<CheckAccessDeleted::ProcInfo>
_data;
236 const auto & filelist(
cache_r.second );
238 if ( filelist.empty() )
244 pinfo.files.insert(
pinfo.files.begin(), filelist.begin(), filelist.end() );
274 if (
pinfo.command.empty() ) {
277 if (!_fromLsofFileMode)
279 if (
pinfo.command.empty() )
286 if ( *
ch ==
'\n' )
break;
287 do { ++
ch; }
while ( *
ch !=
'\0' );
317 if ( *(
ch+1) !=
'0' )
330 if ( *
ch ==
'\n' )
break;
331 do { ++
ch; }
while ( *
ch !=
'\0' );
334 if ( !
t || !
f || !
n )
337 if ( !( ( *
t ==
'R' && *(
t+1) ==
'E' && *(
t+2) ==
'G' && *(
t+3) ==
'\0' )
338 || ( *
t ==
'D' && *(
t+1) ==
'E' && *(
t+2) ==
'L' && *(
t+3) ==
'\0' ) ) )
341 if ( !( ( *
f ==
'm' && *(
f+1) ==
'e' && *(
f+2) ==
'm' && *(
f+3) ==
'\0' )
342 || ( *
f ==
't' && *(
f+1) ==
'x' && *(
f+2) ==
't' && *(
f+3) ==
'\0' )
343 || ( *
f ==
'D' && *(
f+1) ==
'E' && *(
f+2) ==
'L' && *(
f+3) ==
'\0' )
344 || ( *
f ==
'l' && *(
f+1) ==
't' && *(
f+2) ==
'x' && *(
f+3) ==
'\0' ) ) )
356 if ( *
f ==
'm' || *
f ==
'D' )
358 static const char *
black[] = {
388 _pimpl->_fromLsofFileMode =
true;
398 return _pimpl->createProcInfo( cache );
405 std::map<pid_t,CacheEntry>
cachemap;
411 MIL <<
"Silently scanning lsof output..." << endl;
416 if (
line[0] ==
'p' )
443 static const char*
argv[] = {
"lsof",
"-n",
"-FpcuLRftkn0",
"-K",
"i",
NULL };
448 _pimpl->_fromLsofFileMode =
false;
451 std::map<pid_t,CacheEntry>
cachemap;
480 if ( !_debugFile.empty() ) {
485 ERR<<
"Unable to open debug file: "<<_debugFile<<endl;
493 addDataIf(
cached.second);
495 std::vector<std::string> *
mapPtr =
nullptr;
498 if (
dbgInfo != debugMap.end() )
514 return _pimpl->_data.empty();
519 return _pimpl->_data.size();
524 return _pimpl->_data.begin();
529 return _pimpl->_data.end();
550 static const str::regex rx(
"(0::|[0-9]+:name=systemd:)/system.slice/(.*/)?(.*).service(/.*)?$" );
585 if (
obj.pid.empty() )
586 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.
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 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.