185784962a
* fhandler_process.cc (process_tab): Fix indentation. (fhandler_process::exists): Rely on format_process_fd returning file type in fd_type. (struct process_fd_t): Add fd_type member. (fhandler_process::fill_filebuf): Allow format_process_fd to set this->fd_type member. (format_process_fd): Fix path evaluation to allow recognizing trailing path components. Fix check for file descriptor path component. Return virt_symlink in fd_type if no trailing path compenents exist, return virt_fsdir otherwise and copy full resulting path into destbuf. * path.cc (path_conv::check): If /proc/$PID/fd symlink has trailing path components, reparse resulting path as if it's the incoming path. Add comment to wail over the outdated and hackish check method, and to explain what we do here.
1435 lines
39 KiB
C++
1435 lines
39 KiB
C++
/* fhandler_process.cc: fhandler for /proc/<pid> virtual filesystem
|
|
|
|
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
|
|
2013, 2014, 2015 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include "winsup.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <sys/cygwin.h>
|
|
#include "cygerrno.h"
|
|
#include "security.h"
|
|
#include "path.h"
|
|
#include "fhandler.h"
|
|
#include "fhandler_virtual.h"
|
|
#include "pinfo.h"
|
|
#include "shared_info.h"
|
|
#include "dtable.h"
|
|
#include "cygheap.h"
|
|
#include "ntdll.h"
|
|
#include "cygtls.h"
|
|
#include "mount.h"
|
|
#include "tls_pbuf.h"
|
|
#include <sys/sysmacros.h>
|
|
#include <sys/param.h>
|
|
#include <ctype.h>
|
|
|
|
#define _COMPILING_NEWLIB
|
|
#include <dirent.h>
|
|
|
|
static off_t format_process_maps (void *, char *&);
|
|
static off_t format_process_stat (void *, char *&);
|
|
static off_t format_process_status (void *, char *&);
|
|
static off_t format_process_statm (void *, char *&);
|
|
static off_t format_process_winexename (void *, char *&);
|
|
static off_t format_process_winpid (void *, char *&);
|
|
static off_t format_process_exename (void *, char *&);
|
|
static off_t format_process_root (void *, char *&);
|
|
static off_t format_process_cwd (void *, char *&);
|
|
static off_t format_process_cmdline (void *, char *&);
|
|
static off_t format_process_ppid (void *, char *&);
|
|
static off_t format_process_uid (void *, char *&);
|
|
static off_t format_process_pgid (void *, char *&);
|
|
static off_t format_process_sid (void *, char *&);
|
|
static off_t format_process_gid (void *, char *&);
|
|
static off_t format_process_ctty (void *, char *&);
|
|
static off_t format_process_fd (void *, char *&);
|
|
static off_t format_process_mounts (void *, char *&);
|
|
static off_t format_process_mountinfo (void *, char *&);
|
|
|
|
static const virt_tab_t process_tab[] =
|
|
{
|
|
{ _VN ("."), FH_PROCESS, virt_directory, NULL },
|
|
{ _VN (".."), FH_PROCESS, virt_directory, NULL },
|
|
{ _VN ("cmdline"), FH_PROCESS, virt_file, format_process_cmdline },
|
|
{ _VN ("ctty"), FH_PROCESS, virt_file, format_process_ctty },
|
|
{ _VN ("cwd"), FH_PROCESS, virt_symlink, format_process_cwd },
|
|
{ _VN ("exe"), FH_PROCESS, virt_symlink, format_process_exename },
|
|
{ _VN ("exename"), FH_PROCESS, virt_file, format_process_exename },
|
|
{ _VN ("fd"), FH_PROCESSFD, virt_directory, format_process_fd },
|
|
{ _VN ("gid"), FH_PROCESS, virt_file, format_process_gid },
|
|
{ _VN ("maps"), FH_PROCESS, virt_file, format_process_maps },
|
|
{ _VN ("mountinfo"), FH_PROCESS, virt_file, format_process_mountinfo },
|
|
{ _VN ("mounts"), FH_PROCESS, virt_file, format_process_mounts },
|
|
{ _VN ("pgid"), FH_PROCESS, virt_file, format_process_pgid },
|
|
{ _VN ("ppid"), FH_PROCESS, virt_file, format_process_ppid },
|
|
{ _VN ("root"), FH_PROCESS, virt_symlink, format_process_root },
|
|
{ _VN ("sid"), FH_PROCESS, virt_file, format_process_sid },
|
|
{ _VN ("stat"), FH_PROCESS, virt_file, format_process_stat },
|
|
{ _VN ("statm"), FH_PROCESS, virt_file, format_process_statm },
|
|
{ _VN ("status"), FH_PROCESS, virt_file, format_process_status },
|
|
{ _VN ("uid"), FH_PROCESS, virt_file, format_process_uid },
|
|
{ _VN ("winexename"), FH_PROCESS, virt_file, format_process_winexename },
|
|
{ _VN ("winpid"), FH_PROCESS, virt_file, format_process_winpid },
|
|
{ NULL, 0, FH_NADA, virt_none, NULL }
|
|
};
|
|
|
|
static const int PROCESS_LINK_COUNT =
|
|
(sizeof (process_tab) / sizeof (virt_tab_t)) - 1;
|
|
int get_process_state (DWORD dwProcessId);
|
|
static bool get_mem_values (DWORD dwProcessId, unsigned long *vmsize,
|
|
unsigned long *vmrss, unsigned long *vmtext,
|
|
unsigned long *vmdata, unsigned long *vmlib,
|
|
unsigned long *vmshare);
|
|
|
|
/* Returns 0 if path doesn't exist, >0 if path is a directory,
|
|
-1 if path is a file, -2 if path is a symlink, -3 if path is a pipe,
|
|
-4 if path is a socket. */
|
|
virtual_ftype_t
|
|
fhandler_process::exists ()
|
|
{
|
|
const char *path = get_name ();
|
|
debug_printf ("exists (%s)", path);
|
|
path += proc_len + 1;
|
|
while (*path != 0 && !isdirsep (*path))
|
|
path++;
|
|
if (*path == 0)
|
|
return virt_rootdir;
|
|
|
|
virt_tab_t *entry = virt_tab_search (path + 1, true, process_tab,
|
|
PROCESS_LINK_COUNT);
|
|
if (entry)
|
|
{
|
|
if (!path[entry->name_len + 1])
|
|
{
|
|
fileid = entry - process_tab;
|
|
return entry->type;
|
|
}
|
|
if (entry->type == virt_directory) /* fd subdir only */
|
|
{
|
|
fileid = entry - process_tab;
|
|
if (fill_filebuf ())
|
|
return fd_type;
|
|
/* Check for nameless device entries. */
|
|
path = strrchr (path, '/');
|
|
if (path && *++path)
|
|
{
|
|
if (!strncmp (path, "pipe:[", 6))
|
|
return virt_pipe;
|
|
else if (!strncmp (path, "socket:[", 8))
|
|
return virt_socket;
|
|
}
|
|
}
|
|
}
|
|
return virt_none;
|
|
}
|
|
|
|
fhandler_process::fhandler_process ():
|
|
fhandler_proc ()
|
|
{
|
|
}
|
|
|
|
int __reg2
|
|
fhandler_process::fstat (struct stat *buf)
|
|
{
|
|
const char *path = get_name ();
|
|
int file_type = exists ();
|
|
fhandler_base::fstat (buf);
|
|
path += proc_len + 1;
|
|
pid = atoi (path);
|
|
|
|
pinfo p (pid);
|
|
/* If p->pid != pid, then pid is actually the Windows PID for an execed
|
|
Cygwin process, and the pinfo entry is the additional entry created
|
|
at exec time. We don't want to enable the user to access a process
|
|
entry by using the Win32 PID, though. */
|
|
if (!p || p->pid != pid)
|
|
{
|
|
set_errno (ENOENT);
|
|
return -1;
|
|
}
|
|
|
|
buf->st_mode &= ~_IFMT & NO_W;
|
|
|
|
switch (file_type)
|
|
{
|
|
case virt_none:
|
|
set_errno (ENOENT);
|
|
return -1;
|
|
case virt_directory:
|
|
case virt_rootdir:
|
|
buf->st_ctime = buf->st_mtime = buf->st_birthtime = p->start_time;
|
|
buf->st_ctim.tv_nsec = buf->st_mtim.tv_nsec
|
|
= buf->st_birthtim.tv_nsec = 0;
|
|
time_as_timestruc_t (&buf->st_atim);
|
|
buf->st_uid = p->uid;
|
|
buf->st_gid = p->gid;
|
|
buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
|
|
if (file_type == 1)
|
|
buf->st_nlink = 2;
|
|
else
|
|
buf->st_nlink = 3;
|
|
return 0;
|
|
case virt_symlink:
|
|
buf->st_uid = p->uid;
|
|
buf->st_gid = p->gid;
|
|
buf->st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO;
|
|
return 0;
|
|
case virt_pipe:
|
|
buf->st_uid = p->uid;
|
|
buf->st_gid = p->gid;
|
|
buf->st_mode = S_IFIFO | S_IRUSR | S_IWUSR;
|
|
return 0;
|
|
case virt_socket:
|
|
buf->st_uid = p->uid;
|
|
buf->st_gid = p->gid;
|
|
buf->st_mode = S_IFSOCK | S_IRUSR | S_IWUSR;
|
|
return 0;
|
|
case virt_file:
|
|
default:
|
|
buf->st_uid = p->uid;
|
|
buf->st_gid = p->gid;
|
|
buf->st_mode |= S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
DIR *
|
|
fhandler_process::opendir (int fd)
|
|
{
|
|
DIR *dir = fhandler_virtual::opendir (fd);
|
|
if (dir && process_tab[fileid].fhandler == FH_PROCESSFD)
|
|
fill_filebuf ();
|
|
return dir;
|
|
}
|
|
|
|
int
|
|
fhandler_process::closedir (DIR *dir)
|
|
{
|
|
return fhandler_virtual::closedir (dir);
|
|
}
|
|
|
|
int
|
|
fhandler_process::readdir (DIR *dir, dirent *de)
|
|
{
|
|
int res = ENMFILE;
|
|
if (process_tab[fileid].fhandler == FH_PROCESSFD)
|
|
{
|
|
if ((size_t) dir->__d_position >= 2 + filesize / sizeof (int))
|
|
goto out;
|
|
}
|
|
else if (dir->__d_position >= PROCESS_LINK_COUNT)
|
|
goto out;
|
|
if (process_tab[fileid].fhandler == FH_PROCESSFD && dir->__d_position > 1)
|
|
{
|
|
int *p = (int *) filebuf;
|
|
__small_sprintf (de->d_name, "%d", p[dir->__d_position++ - 2]);
|
|
de->d_type = DT_LNK;
|
|
}
|
|
else
|
|
{
|
|
strcpy (de->d_name, process_tab[dir->__d_position].name);
|
|
de->d_type = virt_ftype_to_dtype (process_tab[dir->__d_position].type);
|
|
dir->__d_position++;
|
|
}
|
|
dir->__flags |= dirent_saw_dot | dirent_saw_dot_dot;
|
|
res = 0;
|
|
out:
|
|
syscall_printf ("%d = readdir(%p, %p) (%s)", res, dir, de, de->d_name);
|
|
return res;
|
|
}
|
|
|
|
int
|
|
fhandler_process::open (int flags, mode_t mode)
|
|
{
|
|
int res = fhandler_virtual::open (flags, mode);
|
|
if (!res)
|
|
goto out;
|
|
|
|
nohandle (true);
|
|
|
|
const char *path;
|
|
path = get_name () + proc_len + 1;
|
|
pid = atoi (path);
|
|
while (*path != 0 && !isdirsep (*path))
|
|
path++;
|
|
|
|
if (*path == 0)
|
|
{
|
|
if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
|
|
{
|
|
set_errno (EEXIST);
|
|
res = 0;
|
|
goto out;
|
|
}
|
|
else if (flags & O_WRONLY)
|
|
{
|
|
set_errno (EISDIR);
|
|
res = 0;
|
|
goto out;
|
|
}
|
|
else
|
|
{
|
|
flags |= O_DIROPEN;
|
|
goto success;
|
|
}
|
|
}
|
|
|
|
virt_tab_t *entry;
|
|
entry = virt_tab_search (path + 1, true, process_tab, PROCESS_LINK_COUNT);
|
|
if (!entry)
|
|
{
|
|
set_errno ((flags & O_CREAT) ? EROFS : ENOENT);
|
|
res = 0;
|
|
goto out;
|
|
}
|
|
if (entry->fhandler == FH_PROCESSFD)
|
|
{
|
|
flags |= O_DIROPEN;
|
|
goto success;
|
|
}
|
|
if (flags & O_WRONLY)
|
|
{
|
|
set_errno (EROFS);
|
|
res = 0;
|
|
goto out;
|
|
}
|
|
|
|
fileid = entry - process_tab;
|
|
if (!fill_filebuf ())
|
|
{
|
|
res = 0;
|
|
goto out;
|
|
}
|
|
|
|
if (flags & O_APPEND)
|
|
position = filesize;
|
|
else
|
|
position = 0;
|
|
|
|
success:
|
|
res = 1;
|
|
set_flags ((flags & ~O_TEXT) | O_BINARY);
|
|
set_open_status ();
|
|
out:
|
|
syscall_printf ("%d = fhandler_proc::open(%y, 0%o)", res, flags, mode);
|
|
return res;
|
|
}
|
|
|
|
struct process_fd_t {
|
|
const char *path;
|
|
_pinfo *p;
|
|
virtual_ftype_t *fd_type;
|
|
};
|
|
|
|
bool
|
|
fhandler_process::fill_filebuf ()
|
|
{
|
|
const char *path;
|
|
path = get_name () + proc_len + 1;
|
|
if (!pid)
|
|
pid = atoi (path);
|
|
|
|
pinfo p (pid);
|
|
/* If p->pid != pid, then pid is actually the Windows PID for an execed
|
|
Cygwin process, and the pinfo entry is the additional entry created
|
|
at exec time. We don't want to enable the user to access a process
|
|
entry by using the Win32 PID, though. */
|
|
if (!p || p->pid != pid)
|
|
{
|
|
set_errno (ENOENT);
|
|
return false;
|
|
}
|
|
|
|
if (process_tab[fileid].format_func)
|
|
{
|
|
if (process_tab[fileid].fhandler == FH_PROCESSFD)
|
|
{
|
|
process_fd_t fd = { path, p , &fd_type };
|
|
filesize = process_tab[fileid].format_func (&fd, filebuf);
|
|
}
|
|
else
|
|
filesize = process_tab[fileid].format_func (p, filebuf);
|
|
return !filesize ? false : true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static off_t
|
|
format_process_fd (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = ((process_fd_t *) data)->p;
|
|
const char *path = ((process_fd_t *) data)->path;
|
|
size_t fs = 0;
|
|
/* path looks like "$PID/fd", "$PID/fd/", "$PID/fd/[0-9]*". In the latter
|
|
case a trailing slash and more followup chars are allowed, provided the
|
|
descriptor symlink points to a directory. */
|
|
char *fdp = strchr (path, '/') + 3;
|
|
/* The "fd" directory itself? */
|
|
if (fdp[0] =='\0' || (fdp[0] == '/' && fdp[1] == '\0'))
|
|
{
|
|
if (destbuf)
|
|
cfree (destbuf);
|
|
destbuf = p->fds (fs);
|
|
*((process_fd_t *) data)->fd_type = virt_symlink;
|
|
}
|
|
else
|
|
{
|
|
char *e;
|
|
int fd;
|
|
|
|
if (destbuf)
|
|
cfree (destbuf);
|
|
fd = strtol (++fdp, &e, 10);
|
|
if (fd < 0 || e == fdp || (*e != '/' && *e != '\0'))
|
|
{
|
|
set_errno (ENOENT);
|
|
return 0;
|
|
}
|
|
destbuf = p->fd (fd, fs);
|
|
if (!destbuf || !*destbuf)
|
|
{
|
|
set_errno (ENOENT);
|
|
return 0;
|
|
}
|
|
if (*e == '\0')
|
|
*((process_fd_t *) data)->fd_type = virt_symlink;
|
|
else /* trailing path */
|
|
{
|
|
char *newbuf = (char *) cmalloc_abort (HEAP_STR, strlen (destbuf)
|
|
+ strlen (e) + 1);
|
|
stpcpy (stpcpy (newbuf, destbuf), e);
|
|
cfree (destbuf);
|
|
destbuf = newbuf;
|
|
*((process_fd_t *) data)->fd_type = virt_fsdir;
|
|
}
|
|
}
|
|
return fs;
|
|
}
|
|
|
|
static off_t
|
|
format_process_ppid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 40);
|
|
return __small_sprintf (destbuf, "%d\n", p->ppid);
|
|
}
|
|
|
|
static off_t
|
|
format_process_uid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 40);
|
|
return __small_sprintf (destbuf, "%d\n", p->uid);
|
|
}
|
|
|
|
static off_t
|
|
format_process_pgid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 40);
|
|
return __small_sprintf (destbuf, "%d\n", p->pgid);
|
|
}
|
|
|
|
static off_t
|
|
format_process_sid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 40);
|
|
return __small_sprintf (destbuf, "%d\n", p->sid);
|
|
}
|
|
|
|
static off_t
|
|
format_process_gid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 40);
|
|
return __small_sprintf (destbuf, "%d\n", p->gid);
|
|
}
|
|
|
|
static off_t
|
|
format_process_ctty (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
if (p->ctty < 0)
|
|
{
|
|
destbuf = (char *) crealloc_abort (destbuf, 2);
|
|
return __small_sprintf (destbuf, "\n");
|
|
}
|
|
device d;
|
|
d.parse (p->ctty);
|
|
destbuf = (char *) crealloc_abort (destbuf, strlen (d.name) + 2);
|
|
return __small_sprintf (destbuf, "%s\n", d.name);
|
|
}
|
|
|
|
static off_t
|
|
format_process_root (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
size_t fs;
|
|
|
|
if (destbuf)
|
|
{
|
|
cfree (destbuf);
|
|
destbuf = NULL;
|
|
}
|
|
destbuf = p->root (fs);
|
|
if (!destbuf || !*destbuf)
|
|
{
|
|
destbuf = cstrdup ("<defunct>");
|
|
fs = strlen (destbuf) + 1;
|
|
}
|
|
return fs;
|
|
}
|
|
|
|
static off_t
|
|
format_process_cwd (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
size_t fs;
|
|
|
|
if (destbuf)
|
|
{
|
|
cfree (destbuf);
|
|
destbuf = NULL;
|
|
}
|
|
destbuf = p->cwd (fs);
|
|
if (!destbuf || !*destbuf)
|
|
{
|
|
destbuf = cstrdup ("<defunct>");
|
|
fs = strlen (destbuf) + 1;
|
|
}
|
|
return fs;
|
|
}
|
|
|
|
static off_t
|
|
format_process_cmdline (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
size_t fs;
|
|
|
|
if (destbuf)
|
|
{
|
|
cfree (destbuf);
|
|
destbuf = NULL;
|
|
}
|
|
destbuf = p->cmdline (fs);
|
|
if (!destbuf || !*destbuf)
|
|
{
|
|
destbuf = cstrdup ("<defunct>");
|
|
fs = strlen (destbuf) + 1;
|
|
}
|
|
return fs;
|
|
}
|
|
|
|
static off_t
|
|
format_process_exename (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
int len;
|
|
tmp_pathbuf tp;
|
|
|
|
char *buf = tp.c_get ();
|
|
if (p->process_state & PID_EXITED)
|
|
stpcpy (buf, "<defunct>");
|
|
else
|
|
{
|
|
mount_table->conv_to_posix_path (p->progname, buf, 1);
|
|
len = strlen (buf);
|
|
if (len > 4)
|
|
{
|
|
char *s = buf + len - 4;
|
|
if (ascii_strcasematch (s, ".exe"))
|
|
*s = 0;
|
|
}
|
|
}
|
|
destbuf = (char *) crealloc_abort (destbuf, (len = strlen (buf)) + 1);
|
|
stpcpy (destbuf, buf);
|
|
return len;
|
|
}
|
|
|
|
static off_t
|
|
format_process_winpid (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
destbuf = (char *) crealloc_abort (destbuf, 20);
|
|
return __small_sprintf (destbuf, "%d\n", p->dwProcessId);
|
|
}
|
|
|
|
static off_t
|
|
format_process_winexename (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
size_t len = sys_wcstombs (NULL, 0, p->progname);
|
|
destbuf = (char *) crealloc_abort (destbuf, len + 1);
|
|
sys_wcstombs (destbuf, len, p->progname);
|
|
destbuf[len] = '\n';
|
|
return len + 1;
|
|
}
|
|
|
|
struct heap_info
|
|
{
|
|
struct heap
|
|
{
|
|
heap *next;
|
|
unsigned heap_id;
|
|
char *base;
|
|
char *end;
|
|
unsigned long flags;
|
|
};
|
|
heap *heap_vm_chunks;
|
|
|
|
heap_info (DWORD pid)
|
|
: heap_vm_chunks (NULL)
|
|
{
|
|
PDEBUG_BUFFER buf;
|
|
NTSTATUS status;
|
|
PDEBUG_HEAP_ARRAY harray;
|
|
|
|
buf = RtlCreateQueryDebugBuffer (0, FALSE);
|
|
if (!buf)
|
|
return;
|
|
status = RtlQueryProcessDebugInformation (pid, PDI_HEAPS | PDI_HEAP_BLOCKS,
|
|
buf);
|
|
if (NT_SUCCESS (status)
|
|
&& (harray = (PDEBUG_HEAP_ARRAY) buf->HeapInformation) != NULL)
|
|
for (ULONG hcnt = 0; hcnt < harray->Count; ++hcnt)
|
|
{
|
|
PDEBUG_HEAP_BLOCK barray = (PDEBUG_HEAP_BLOCK)
|
|
harray->Heaps[hcnt].Blocks;
|
|
if (!barray)
|
|
continue;
|
|
for (ULONG bcnt = 0; bcnt < harray->Heaps[hcnt].BlockCount; ++bcnt)
|
|
if (barray[bcnt].Flags & 2)
|
|
{
|
|
heap *h = (heap *) malloc (sizeof (heap));
|
|
if (h)
|
|
{
|
|
*h = (heap) { heap_vm_chunks,
|
|
hcnt, (char *) barray[bcnt].Address,
|
|
(char *) barray[bcnt].Address
|
|
+ barray[bcnt].Size,
|
|
harray->Heaps[hcnt].Flags };
|
|
heap_vm_chunks = h;
|
|
}
|
|
}
|
|
}
|
|
RtlDestroyQueryDebugBuffer (buf);
|
|
}
|
|
|
|
char *fill_if_match (char *base, ULONG type, char *dest)
|
|
{
|
|
for (heap *h = heap_vm_chunks; h; h = h->next)
|
|
if (base >= h->base && base < h->end)
|
|
{
|
|
char *p = dest + __small_sprintf (dest, "[win heap %ld", h->heap_id);
|
|
if (!(h->flags & HEAP_FLAG_NONDEFAULT))
|
|
p = stpcpy (p, " default");
|
|
if ((h->flags & HEAP_FLAG_SHAREABLE) && (type & MEM_MAPPED))
|
|
p = stpcpy (p, " shared");
|
|
if (h->flags & HEAP_FLAG_EXECUTABLE)
|
|
p = stpcpy (p, " exec");
|
|
if (h->flags & HEAP_FLAG_GROWABLE)
|
|
p = stpcpy (p, " grow");
|
|
if (h->flags & HEAP_FLAG_NOSERIALIZE)
|
|
p = stpcpy (p, " noserial");
|
|
if (h->flags == HEAP_FLAG_DEBUGGED)
|
|
p = stpcpy (p, " debug");
|
|
stpcpy (p, "]");
|
|
return dest;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
~heap_info ()
|
|
{
|
|
heap *n = 0;
|
|
for (heap *m = heap_vm_chunks; m; m = n)
|
|
{
|
|
n = m->next;
|
|
free (m);
|
|
}
|
|
}
|
|
};
|
|
|
|
struct thread_info
|
|
{
|
|
struct region
|
|
{
|
|
region *next;
|
|
ULONG thread_id;
|
|
char *start;
|
|
char *end;
|
|
bool teb;
|
|
};
|
|
region *regions;
|
|
|
|
thread_info (DWORD pid, HANDLE process)
|
|
: regions (NULL)
|
|
{
|
|
NTSTATUS status;
|
|
PVOID buf = NULL;
|
|
ULONG size = 50 * (sizeof (SYSTEM_PROCESS_INFORMATION)
|
|
+ 16 * sizeof (SYSTEM_THREADS));
|
|
PSYSTEM_PROCESS_INFORMATION proc;
|
|
PSYSTEM_THREADS thread;
|
|
|
|
do
|
|
{
|
|
buf = realloc (buf, size);
|
|
status = NtQuerySystemInformation (SystemProcessInformation,
|
|
buf, size, NULL);
|
|
size <<= 1;
|
|
}
|
|
while (status == STATUS_INFO_LENGTH_MISMATCH);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
if (buf)
|
|
free (buf);
|
|
debug_printf ("NtQuerySystemInformation, %y", status);
|
|
return;
|
|
}
|
|
proc = (PSYSTEM_PROCESS_INFORMATION) buf;
|
|
while (true)
|
|
{
|
|
if ((DWORD) (uintptr_t) proc->UniqueProcessId == pid)
|
|
break;
|
|
if (!proc->NextEntryOffset)
|
|
{
|
|
free (buf);
|
|
return;
|
|
}
|
|
proc = (PSYSTEM_PROCESS_INFORMATION) ((PBYTE) proc + proc->NextEntryOffset);
|
|
}
|
|
thread = proc->Threads;
|
|
for (ULONG i = 0; i < proc->NumberOfThreads; ++i)
|
|
{
|
|
THREAD_BASIC_INFORMATION tbi;
|
|
TEB teb;
|
|
HANDLE thread_h;
|
|
|
|
if (!(thread_h = OpenThread (THREAD_QUERY_INFORMATION, FALSE,
|
|
(ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread)))
|
|
continue;
|
|
status = NtQueryInformationThread (thread_h, ThreadBasicInformation,
|
|
&tbi, sizeof tbi, NULL);
|
|
CloseHandle (thread_h);
|
|
if (!NT_SUCCESS (status))
|
|
continue;
|
|
region *r = (region *) malloc (sizeof (region));
|
|
if (r)
|
|
{
|
|
*r = (region) { regions, (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread,
|
|
(char *) tbi.TebBaseAddress,
|
|
(char *) tbi.TebBaseAddress + wincap.page_size (),
|
|
true };
|
|
regions = r;
|
|
}
|
|
if (!ReadProcessMemory (process, (PVOID) tbi.TebBaseAddress,
|
|
&teb, sizeof teb, NULL))
|
|
continue;
|
|
r = (region *) malloc (sizeof (region));
|
|
if (r)
|
|
{
|
|
*r = (region) { regions, (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread,
|
|
(char *) (teb.DeallocationStack
|
|
?: teb.Tib.StackLimit),
|
|
(char *) teb.Tib.StackBase,
|
|
false };
|
|
regions = r;
|
|
}
|
|
}
|
|
free (buf);
|
|
}
|
|
|
|
char *fill_if_match (char *base, ULONG type, char *dest)
|
|
{
|
|
for (region *r = regions; r; r = r->next)
|
|
if ((base >= r->start && base < r->end)
|
|
/* Special case WOW64. The TEB is 8K within the region reserved
|
|
for it. No idea what the lower 8K are used for. */
|
|
|| (r->teb && wincap.is_wow64 ()
|
|
&& r->start == base + 2 * wincap.page_size ()))
|
|
{
|
|
char *p = dest + __small_sprintf (dest, "[%s (tid %ld)",
|
|
r->teb ? "teb" : "stack",
|
|
r->thread_id);
|
|
if (type & MEM_MAPPED)
|
|
p = stpcpy (p, " shared");
|
|
stpcpy (p, "]");
|
|
return dest;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
~thread_info ()
|
|
{
|
|
region *n = 0;
|
|
for (region *m = regions; m; m = n)
|
|
{
|
|
n = m->next;
|
|
free (m);
|
|
}
|
|
}
|
|
};
|
|
|
|
static off_t
|
|
format_process_maps (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
HANDLE proc = OpenProcess (PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
|
|
FALSE, p->dwProcessId);
|
|
if (!proc)
|
|
return 0;
|
|
|
|
NTSTATUS status;
|
|
PROCESS_BASIC_INFORMATION pbi;
|
|
PPEB peb = NULL;
|
|
|
|
memset (&pbi, 0, sizeof (pbi));
|
|
status = NtQueryInformationProcess (proc, ProcessBasicInformation,
|
|
&pbi, sizeof pbi, NULL);
|
|
if (NT_SUCCESS (status))
|
|
peb = pbi.PebBaseAddress;
|
|
/* myself is in the same spot in every process, so is the pointer to the
|
|
procinfo. But make sure the destructor doesn't try to release procinfo! */
|
|
pinfo proc_pinfo;
|
|
if (ReadProcessMemory (proc, &myself, &proc_pinfo, sizeof proc_pinfo, NULL))
|
|
proc_pinfo.preserve ();
|
|
/* The heap info on the cygheap is also in the same spot in each process
|
|
because the cygheap is located at the same address. */
|
|
user_heap_info user_heap;
|
|
ReadProcessMemory (proc, &cygheap->user_heap, &user_heap,
|
|
sizeof user_heap, NULL);
|
|
|
|
off_t len = 0;
|
|
|
|
union access
|
|
{
|
|
char flags[8];
|
|
off_t word;
|
|
} a;
|
|
|
|
struct region {
|
|
access a;
|
|
char *abase;
|
|
char *rbase;
|
|
char *rend;
|
|
} cur = {{{'\0'}}, (char *)1, 0, 0};
|
|
|
|
MEMORY_BASIC_INFORMATION mb;
|
|
dos_drive_mappings drive_maps;
|
|
heap_info heaps (p->dwProcessId);
|
|
thread_info threads (p->dwProcessId, proc);
|
|
struct stat st;
|
|
long last_pass = 0;
|
|
|
|
tmp_pathbuf tp;
|
|
PMEMORY_SECTION_NAME msi = (PMEMORY_SECTION_NAME) tp.w_get ();
|
|
char *posix_modname = tp.c_get ();
|
|
size_t maxsize = 0;
|
|
|
|
if (destbuf)
|
|
{
|
|
cfree (destbuf);
|
|
destbuf = NULL;
|
|
}
|
|
|
|
/* Iterate over each VM region in the address space, coalescing
|
|
memory regions with the same permissions. Once we run out, do one
|
|
last_pass to trigger output of the last accumulated region.
|
|
|
|
FIXME: 32 bit processes can't get address information beyond the
|
|
32 bit address space from 64 bit processes. We have to run
|
|
this functionality in the target process, if the target
|
|
process is 64 bit and our own process is 32 bit. */
|
|
for (char *i = 0;
|
|
VirtualQueryEx (proc, i, &mb, sizeof(mb)) || (1 == ++last_pass);
|
|
i = cur.rend)
|
|
{
|
|
if (last_pass)
|
|
posix_modname[0] = '\0';
|
|
if (mb.State == MEM_FREE)
|
|
a.word = 0;
|
|
else if (mb.State == MEM_RESERVE)
|
|
{
|
|
char *p = stpcpy (a.flags, "===");
|
|
stpcpy (p, (mb.Type & MEM_MAPPED) ? "s" : "p");
|
|
}
|
|
else
|
|
{
|
|
static DWORD const RO = (PAGE_EXECUTE_READ | PAGE_READONLY);
|
|
static DWORD const RW = (PAGE_EXECUTE_READWRITE | PAGE_READWRITE
|
|
| PAGE_EXECUTE_WRITECOPY | PAGE_WRITECOPY);
|
|
static DWORD const X = (PAGE_EXECUTE | PAGE_EXECUTE_READ
|
|
| PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
|
|
static DWORD const WC = (PAGE_EXECUTE_WRITECOPY | PAGE_WRITECOPY);
|
|
DWORD p = mb.Protect;
|
|
a = (access) {{
|
|
(p & (RO | RW)) ? 'r' : '-',
|
|
(p & (RW)) ? 'w' : '-',
|
|
(p & (X)) ? 'x' : '-',
|
|
(mb.Type & MEM_MAPPED) && !(p & (WC)) ? 's'
|
|
: (p & PAGE_GUARD) ? 'g' : 'p',
|
|
'\0', // zero-fill the remaining bytes
|
|
}};
|
|
}
|
|
|
|
region next = { a,
|
|
(char *) mb.AllocationBase,
|
|
(char *) mb.BaseAddress,
|
|
(char *) mb.BaseAddress+mb.RegionSize
|
|
};
|
|
|
|
/* Windows permissions are more fine-grained than the unix rwxp,
|
|
so we reduce clutter by manually coalescing regions sharing
|
|
the same allocation base and effective permissions. */
|
|
bool newbase = (next.abase != cur.abase);
|
|
if (!last_pass && !newbase && next.a.word == cur.a.word)
|
|
cur.rend = next.rend; /* merge with previous */
|
|
else
|
|
{
|
|
/* output the current region if it's "interesting". */
|
|
if (cur.a.word)
|
|
{
|
|
size_t newlen = strlen (posix_modname) + 62;
|
|
if (len + newlen >= maxsize)
|
|
destbuf = (char *)
|
|
crealloc_abort (destbuf,
|
|
maxsize += roundup2 (newlen, 2048UL));
|
|
int written = __small_sprintf (destbuf + len,
|
|
"%08lx-%08lx %s %08lx %04x:%04x %U ",
|
|
cur.rbase, cur.rend, cur.a.flags,
|
|
cur.rbase - cur.abase,
|
|
st.st_dev >> 16,
|
|
st.st_dev & 0xffff,
|
|
st.st_ino);
|
|
while (written < 62)
|
|
destbuf[len + written++] = ' ';
|
|
len += written;
|
|
len += __small_sprintf (destbuf + len, "%s\n", posix_modname);
|
|
}
|
|
/* start of a new region (but possibly still the same allocation). */
|
|
cur = next;
|
|
/* if a new allocation, figure out what kind it is. */
|
|
if (newbase && !last_pass && mb.State != MEM_FREE)
|
|
{
|
|
/* If the return length pointer is missing, NtQueryVirtualMemory
|
|
returns with STATUS_ACCESS_VIOLATION on Windows 2000. */
|
|
SIZE_T ret_len = 0;
|
|
|
|
st.st_dev = 0;
|
|
st.st_ino = 0;
|
|
if ((mb.Type & (MEM_MAPPED | MEM_IMAGE))
|
|
&& NT_SUCCESS (status = NtQueryVirtualMemory (proc, cur.abase,
|
|
MemorySectionName,
|
|
msi, 65536, &ret_len)))
|
|
{
|
|
PWCHAR dosname =
|
|
drive_maps.fixup_if_match (msi->SectionFileName.Buffer);
|
|
if (mount_table->conv_to_posix_path (dosname,
|
|
posix_modname, 0))
|
|
sys_wcstombs (posix_modname, NT_MAX_PATH, dosname);
|
|
stat64 (posix_modname, &st);
|
|
}
|
|
else if (!threads.fill_if_match (cur.abase, mb.Type,
|
|
posix_modname)
|
|
&& !heaps.fill_if_match (cur.abase, mb.Type,
|
|
posix_modname))
|
|
{
|
|
if (cur.abase == (char *) peb)
|
|
strcpy (posix_modname, "[peb]");
|
|
else if (cur.abase == (char *) &SharedUserData)
|
|
strcpy (posix_modname, "[shared-user-data]");
|
|
else if (cur.abase == (char *) cygwin_shared)
|
|
strcpy (posix_modname, "[cygwin-shared]");
|
|
else if (cur.abase == (char *) user_shared)
|
|
strcpy (posix_modname, "[cygwin-user-shared]");
|
|
else if (cur.abase == (char *) *proc_pinfo)
|
|
strcpy (posix_modname, "[procinfo]");
|
|
else if (cur.abase == user_heap.base)
|
|
strcpy (posix_modname, "[heap]");
|
|
else
|
|
posix_modname[0] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
CloseHandle (proc);
|
|
return len;
|
|
}
|
|
|
|
static off_t
|
|
format_process_stat (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
char cmd[NAME_MAX + 1];
|
|
int state = 'R';
|
|
unsigned long fault_count = 0UL,
|
|
utime = 0UL, stime = 0UL,
|
|
start_time = 0UL,
|
|
vmsize = 0UL, vmrss = 0UL, vmmaxrss = 0UL;
|
|
int priority = 0;
|
|
if (p->process_state & PID_EXITED)
|
|
strcpy (cmd, "<defunct>");
|
|
else
|
|
{
|
|
PWCHAR last_slash = wcsrchr (p->progname, L'\\');
|
|
sys_wcstombs (cmd, NAME_MAX + 1,
|
|
last_slash ? last_slash + 1 : p->progname);
|
|
int len = strlen (cmd);
|
|
if (len > 4)
|
|
{
|
|
char *s = cmd + len - 4;
|
|
if (ascii_strcasematch (s, ".exe"))
|
|
*s = 0;
|
|
}
|
|
}
|
|
/* Note: under Windows, a process is always running - it's only threads
|
|
that get suspended. Therefore the default state is R (runnable). */
|
|
if (p->process_state & PID_EXITED)
|
|
state = 'Z';
|
|
else if (p->process_state & PID_STOPPED)
|
|
state = 'T';
|
|
else
|
|
state = get_process_state (p->dwProcessId);
|
|
start_time = (GetTickCount () / 1000 - time (NULL) + p->start_time) * HZ;
|
|
|
|
NTSTATUS status;
|
|
HANDLE hProcess;
|
|
VM_COUNTERS vmc;
|
|
KERNEL_USER_TIMES put;
|
|
PROCESS_BASIC_INFORMATION pbi;
|
|
QUOTA_LIMITS ql;
|
|
SYSTEM_TIMEOFDAY_INFORMATION stodi;
|
|
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION spt;
|
|
hProcess = OpenProcess (PROCESS_VM_READ | PROCESS_QUERY_INFORMATION,
|
|
FALSE, p->dwProcessId);
|
|
if (hProcess != NULL)
|
|
{
|
|
status = NtQueryInformationProcess (hProcess, ProcessVmCounters,
|
|
(PVOID) &vmc, sizeof vmc, NULL);
|
|
if (NT_SUCCESS (status))
|
|
status = NtQueryInformationProcess (hProcess, ProcessTimes,
|
|
(PVOID) &put, sizeof put, NULL);
|
|
if (NT_SUCCESS (status))
|
|
status = NtQueryInformationProcess (hProcess, ProcessBasicInformation,
|
|
(PVOID) &pbi, sizeof pbi, NULL);
|
|
if (NT_SUCCESS (status))
|
|
status = NtQueryInformationProcess (hProcess, ProcessQuotaLimits,
|
|
(PVOID) &ql, sizeof ql, NULL);
|
|
CloseHandle (hProcess);
|
|
}
|
|
else
|
|
{
|
|
DWORD error = GetLastError ();
|
|
__seterrno_from_win_error (error);
|
|
debug_printf ("OpenProcess: ret %u", error);
|
|
return 0;
|
|
}
|
|
if (NT_SUCCESS (status))
|
|
status = NtQuerySystemInformation (SystemTimeOfDayInformation,
|
|
(PVOID) &stodi, sizeof stodi, NULL);
|
|
if (NT_SUCCESS (status))
|
|
status = NtQuerySystemInformation (SystemProcessorPerformanceInformation,
|
|
(PVOID) &spt, sizeof spt, NULL);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
__seterrno_from_nt_status (status);
|
|
debug_printf ("NtQueryInformationProcess: status %y, %E", status);
|
|
return 0;
|
|
}
|
|
fault_count = vmc.PageFaultCount;
|
|
utime = put.UserTime.QuadPart * HZ / 10000000ULL;
|
|
stime = put.KernelTime.QuadPart * HZ / 10000000ULL;
|
|
#if 0
|
|
if (stodi.CurrentTime.QuadPart > put.CreateTime.QuadPart)
|
|
start_time = (spt.KernelTime.QuadPart + spt.UserTime.QuadPart -
|
|
stodi.CurrentTime.QuadPart + put.CreateTime.QuadPart) * HZ / 10000000ULL;
|
|
else
|
|
/*
|
|
* sometimes stodi.CurrentTime is a bit behind
|
|
* Note: some older versions of procps are broken and can't cope
|
|
* with process start times > time(NULL).
|
|
*/
|
|
start_time = (spt.KernelTme.QuadPart + spt.UserTime.QuadPart) * HZ / 10000000ULL;
|
|
#endif
|
|
/* The BasePriority returned to a 32 bit process under WOW64 is
|
|
apparently broken, for 32 and 64 bit target processes. 64 bit
|
|
processes get the correct base priority, even for 32 bit processes. */
|
|
if (wincap.is_wow64 ())
|
|
priority = 8; /* Default value. */
|
|
else
|
|
priority = pbi.BasePriority;
|
|
unsigned page_size = wincap.page_size ();
|
|
vmsize = vmc.PagefileUsage;
|
|
vmrss = vmc.WorkingSetSize / page_size;
|
|
vmmaxrss = ql.MaximumWorkingSetSize / page_size;
|
|
|
|
destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
|
|
return __small_sprintf (destbuf, "%d (%s) %c "
|
|
"%d %d %d %d %d "
|
|
"%u %lu %lu %u %u %lu %lu "
|
|
"%ld %ld %d %d %d %d "
|
|
"%lu %lu "
|
|
"%ld %lu",
|
|
p->pid, cmd, state,
|
|
p->ppid, p->pgid, p->sid, p->ctty, -1,
|
|
0, fault_count, fault_count, 0, 0, utime, stime,
|
|
utime, stime, priority, 0, 0, 0,
|
|
start_time, vmsize,
|
|
vmrss, vmmaxrss
|
|
);
|
|
}
|
|
|
|
static off_t
|
|
format_process_status (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
char cmd[NAME_MAX + 1];
|
|
int state = 'R';
|
|
const char *state_str = "unknown";
|
|
unsigned long vmsize = 0UL, vmrss = 0UL, vmdata = 0UL, vmlib = 0UL,
|
|
vmtext = 0UL, vmshare = 0UL;
|
|
|
|
PWCHAR last_slash = wcsrchr (p->progname, L'\\');
|
|
sys_wcstombs (cmd, NAME_MAX + 1, last_slash ? last_slash + 1 : p->progname);
|
|
int len = strlen (cmd);
|
|
if (len > 4)
|
|
{
|
|
char *s = cmd + len - 4;
|
|
if (ascii_strcasematch (s, ".exe"))
|
|
*s = 0;
|
|
}
|
|
/* Note: under Windows, a process is always running - it's only threads
|
|
that get suspended. Therefore the default state is R (runnable). */
|
|
if (p->process_state & PID_EXITED)
|
|
state = 'Z';
|
|
else if (p->process_state & PID_STOPPED)
|
|
state = 'T';
|
|
else
|
|
state = get_process_state (p->dwProcessId);
|
|
switch (state)
|
|
{
|
|
case 'O':
|
|
state_str = "running";
|
|
break;
|
|
case 'D':
|
|
case 'S':
|
|
state_str = "sleeping";
|
|
break;
|
|
case 'R':
|
|
state_str = "runnable";
|
|
break;
|
|
case 'Z':
|
|
state_str = "zombie";
|
|
break;
|
|
case 'T':
|
|
state_str = "stopped";
|
|
break;
|
|
}
|
|
if (!get_mem_values (p->dwProcessId, &vmsize, &vmrss, &vmtext, &vmdata,
|
|
&vmlib, &vmshare))
|
|
return 0;
|
|
unsigned page_size = wincap.page_size ();
|
|
vmsize *= page_size; vmrss *= page_size; vmdata *= page_size;
|
|
vmtext *= page_size; vmlib *= page_size;
|
|
/* The real uid value for *this* process is stored at cygheap->user.real_uid
|
|
but we can't get at the real uid value for any other process, so
|
|
just fake it as p->uid. Similar for p->gid. */
|
|
destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
|
|
return __small_sprintf (destbuf, "Name:\t%s\n"
|
|
"State:\t%c (%s)\n"
|
|
"Tgid:\t%d\n"
|
|
"Pid:\t%d\n"
|
|
"PPid:\t%d\n"
|
|
"Uid:\t%d %d %d %d\n"
|
|
"Gid:\t%d %d %d %d\n"
|
|
"VmSize:\t%8d kB\n"
|
|
"VmLck:\t%8d kB\n"
|
|
"VmRSS:\t%8d kB\n"
|
|
"VmData:\t%8d kB\n"
|
|
"VmStk:\t%8d kB\n"
|
|
"VmExe:\t%8d kB\n"
|
|
"VmLib:\t%8d kB\n"
|
|
"SigPnd:\t%016x\n"
|
|
"SigBlk:\t%016x\n"
|
|
"SigIgn:\t%016x\n",
|
|
cmd,
|
|
state, state_str,
|
|
p->pgid,
|
|
p->pid,
|
|
p->ppid,
|
|
p->uid, p->uid, p->uid, p->uid,
|
|
p->gid, p->gid, p->gid, p->gid,
|
|
vmsize >> 10, 0, vmrss >> 10, vmdata >> 10, 0,
|
|
vmtext >> 10, vmlib >> 10,
|
|
0, 0, _my_tls.sigmask
|
|
);
|
|
}
|
|
|
|
static off_t
|
|
format_process_statm (void *data, char *&destbuf)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
unsigned long vmsize = 0UL, vmrss = 0UL, vmtext = 0UL, vmdata = 0UL,
|
|
vmlib = 0UL, vmshare = 0UL;
|
|
if (!get_mem_values (p->dwProcessId, &vmsize, &vmrss, &vmtext, &vmdata,
|
|
&vmlib, &vmshare))
|
|
return 0;
|
|
destbuf = (char *) crealloc_abort (destbuf, 96);
|
|
return __small_sprintf (destbuf, "%ld %ld %ld %ld %ld %ld 0\n",
|
|
vmsize, vmrss, vmshare, vmtext, vmlib, vmdata);
|
|
}
|
|
|
|
extern "C" {
|
|
FILE *setmntent (const char *, const char *);
|
|
struct mntent *getmntent (FILE *);
|
|
};
|
|
|
|
static off_t
|
|
format_process_mountstuff (void *data, char *&destbuf, bool mountinfo)
|
|
{
|
|
_pinfo *p = (_pinfo *) data;
|
|
user_info *u_shared = NULL;
|
|
HANDLE u_hdl = NULL;
|
|
off_t len = 0;
|
|
struct mntent *mnt;
|
|
|
|
if (p->uid != myself->uid)
|
|
{
|
|
WCHAR sid_string[UNLEN + 1] = L""; /* Large enough for SID */
|
|
|
|
cygsid p_sid;
|
|
|
|
if (!p_sid.getfrompw (internal_getpwuid (p->uid)))
|
|
return 0;
|
|
p_sid.string (sid_string);
|
|
u_shared = (user_info *) open_shared (sid_string, USER_VERSION, u_hdl,
|
|
sizeof (user_info), SH_JUSTOPEN,
|
|
&sec_none_nih);
|
|
if (!u_shared)
|
|
return 0;
|
|
}
|
|
else
|
|
u_shared = user_shared;
|
|
mount_info *mtab = &u_shared->mountinfo;
|
|
|
|
/* Store old value of _my_tls.locals here. */
|
|
int iteration = _my_tls.locals.iteration;
|
|
unsigned available_drives = _my_tls.locals.available_drives;
|
|
/* This reinitializes the above values in _my_tls. */
|
|
setmntent (NULL, NULL);
|
|
/* Restore iteration immediately since it's not used below. We use the
|
|
local iteration variable instead*/
|
|
_my_tls.locals.iteration = iteration;
|
|
|
|
for (iteration = 0; (mnt = mtab->getmntent (iteration)); ++iteration)
|
|
{
|
|
/* We have no access to the drives mapped into another user session and
|
|
_my_tls.locals.available_drives contains the mappings of the current
|
|
user. So, when printing the mount table of another user, we check
|
|
each cygdrive entry if it's a remote drive. If so, ignore it. */
|
|
if (iteration >= mtab->nmounts && u_hdl)
|
|
{
|
|
WCHAR drive[3] = { (WCHAR) mnt->mnt_fsname[0], L':', L'\0' };
|
|
disk_type dt = get_disk_type (drive);
|
|
|
|
if (dt == DT_SHARE_SMB || dt == DT_SHARE_NFS)
|
|
continue;
|
|
}
|
|
destbuf = (char *) crealloc_abort (destbuf, len
|
|
+ strlen (mnt->mnt_fsname)
|
|
+ strlen (mnt->mnt_dir)
|
|
+ strlen (mnt->mnt_type)
|
|
+ strlen (mnt->mnt_opts)
|
|
+ 30);
|
|
if (mountinfo)
|
|
{
|
|
path_conv pc (mnt->mnt_dir, PC_SYM_NOFOLLOW | PC_POSIX);
|
|
dev_t dev = pc.exists () ? pc.fs_serial_number () : -1;
|
|
|
|
len += __small_sprintf (destbuf + len,
|
|
"%d %d %d:%d / %s %s - %s %s %s\n",
|
|
iteration, iteration,
|
|
major (dev), minor (dev),
|
|
mnt->mnt_dir, mnt->mnt_opts,
|
|
mnt->mnt_type, mnt->mnt_fsname,
|
|
(pc.fs_flags () & FILE_READ_ONLY_VOLUME)
|
|
? "ro" : "rw");
|
|
}
|
|
else
|
|
len += __small_sprintf (destbuf + len, "%s %s %s %s %d %d\n",
|
|
mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type,
|
|
mnt->mnt_opts, mnt->mnt_freq, mnt->mnt_passno);
|
|
}
|
|
|
|
/* Restore available_drives */
|
|
_my_tls.locals.available_drives = available_drives;
|
|
|
|
if (u_hdl) /* Only not-NULL if open_shared has been called. */
|
|
{
|
|
UnmapViewOfFile (u_shared);
|
|
CloseHandle (u_hdl);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static off_t
|
|
format_process_mounts (void *data, char *&destbuf)
|
|
{
|
|
return format_process_mountstuff (data, destbuf, false);
|
|
}
|
|
|
|
static off_t
|
|
format_process_mountinfo (void *data, char *&destbuf)
|
|
{
|
|
return format_process_mountstuff (data, destbuf, true);
|
|
}
|
|
|
|
int
|
|
get_process_state (DWORD dwProcessId)
|
|
{
|
|
/* This isn't really heavy magic - just go through the processes' threads
|
|
one by one and return a value accordingly. Errors are silently ignored. */
|
|
NTSTATUS status;
|
|
PSYSTEM_PROCESS_INFORMATION p, sp;
|
|
ULONG n = 0x4000;
|
|
int state =' ';
|
|
|
|
p = (PSYSTEM_PROCESS_INFORMATION) malloc (n);
|
|
if (!p)
|
|
return state;
|
|
while (true)
|
|
{
|
|
status = NtQuerySystemInformation (SystemProcessInformation,
|
|
(PVOID) p, n, NULL);
|
|
if (status != STATUS_INFO_LENGTH_MISMATCH)
|
|
break;
|
|
n <<= 1;
|
|
PSYSTEM_PROCESS_INFORMATION new_p = (PSYSTEM_PROCESS_INFORMATION) realloc (p, n);
|
|
if (!new_p)
|
|
goto out;
|
|
p = new_p;
|
|
}
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtQuerySystemInformation: status %y, %u",
|
|
status, RtlNtStatusToDosError (status));
|
|
goto out;
|
|
}
|
|
state = 'Z';
|
|
sp = p;
|
|
for (;;)
|
|
{
|
|
if ((DWORD) (uintptr_t) sp->UniqueProcessId == dwProcessId)
|
|
{
|
|
SYSTEM_THREADS *st;
|
|
st = &sp->Threads[0];
|
|
state = 'S';
|
|
for (unsigned i = 0; i < sp->NumberOfThreads; i++)
|
|
{
|
|
/* FIXME: at some point we should consider generating 'O' */
|
|
if (st->State == StateRunning ||
|
|
st->State == StateReady)
|
|
{
|
|
state = 'R';
|
|
goto out;
|
|
}
|
|
st++;
|
|
}
|
|
break;
|
|
}
|
|
if (!sp->NextEntryOffset)
|
|
break;
|
|
sp = (PSYSTEM_PROCESS_INFORMATION) ((char *) sp + sp->NextEntryOffset);
|
|
}
|
|
out:
|
|
free (p);
|
|
return state;
|
|
}
|
|
|
|
static bool
|
|
get_mem_values (DWORD dwProcessId, unsigned long *vmsize, unsigned long *vmrss,
|
|
unsigned long *vmtext, unsigned long *vmdata,
|
|
unsigned long *vmlib, unsigned long *vmshare)
|
|
{
|
|
bool res = false;
|
|
NTSTATUS status;
|
|
HANDLE hProcess;
|
|
VM_COUNTERS vmc;
|
|
PMEMORY_WORKING_SET_LIST p;
|
|
SIZE_T n = 0x4000, length;
|
|
|
|
hProcess = OpenProcess (PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
|
|
if (hProcess == NULL)
|
|
{
|
|
__seterrno ();
|
|
debug_printf ("OpenProcess, %E");
|
|
return false;
|
|
}
|
|
p = (PMEMORY_WORKING_SET_LIST) malloc (n);
|
|
if (!p)
|
|
goto out;
|
|
while (true)
|
|
{
|
|
status = NtQueryVirtualMemory (hProcess, 0, MemoryWorkingSetList,
|
|
(PVOID) p, n,
|
|
(length = (SIZE_T) -1, &length));
|
|
if (status != STATUS_INFO_LENGTH_MISMATCH)
|
|
break;
|
|
n <<= 1;
|
|
PMEMORY_WORKING_SET_LIST new_p = (PMEMORY_WORKING_SET_LIST)
|
|
realloc (p, n);
|
|
if (!new_p)
|
|
goto out;
|
|
p = new_p;
|
|
}
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtQueryVirtualMemory: status %y", status);
|
|
if (status == STATUS_PROCESS_IS_TERMINATING)
|
|
{
|
|
*vmsize = *vmrss = *vmtext = *vmdata = *vmlib = *vmshare = 0;
|
|
res = true;
|
|
}
|
|
else
|
|
__seterrno_from_nt_status (status);
|
|
goto out;
|
|
}
|
|
for (unsigned long i = 0; i < p->NumberOfPages; i++)
|
|
{
|
|
++*vmrss;
|
|
unsigned flags = p->WorkingSetList[i] & 0x0FFF;
|
|
if ((flags & (WSLE_PAGE_EXECUTE | WSLE_PAGE_SHAREABLE))
|
|
== (WSLE_PAGE_EXECUTE | WSLE_PAGE_SHAREABLE))
|
|
++*vmlib;
|
|
else if (flags & WSLE_PAGE_SHAREABLE)
|
|
++*vmshare;
|
|
else if (flags & WSLE_PAGE_EXECUTE)
|
|
++*vmtext;
|
|
else
|
|
++*vmdata;
|
|
}
|
|
status = NtQueryInformationProcess (hProcess, ProcessVmCounters, (PVOID) &vmc,
|
|
sizeof vmc, NULL);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtQueryInformationProcess: status %y", status);
|
|
__seterrno_from_nt_status (status);
|
|
goto out;
|
|
}
|
|
*vmsize = vmc.PagefileUsage / wincap.page_size ();
|
|
res = true;
|
|
out:
|
|
free (p);
|
|
CloseHandle (hProcess);
|
|
return res;
|
|
}
|