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Diffstat (limited to 'winsup/cygwin/fhandler_procsysvipc.cc')
-rw-r--r--winsup/cygwin/fhandler_procsysvipc.cc347
1 files changed, 0 insertions, 347 deletions
diff --git a/winsup/cygwin/fhandler_procsysvipc.cc b/winsup/cygwin/fhandler_procsysvipc.cc
deleted file mode 100644
index fa7c6b74b..000000000
--- a/winsup/cygwin/fhandler_procsysvipc.cc
+++ /dev/null
@@ -1,347 +0,0 @@
-/* fhandler_procsysvipc.cc: fhandler for /proc/sysvipc virtual filesystem
-
- Copyright 2011 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 "cygserver.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 "pwdgrp.h"
-#include "tls_pbuf.h"
-#include <sys/param.h>
-#include <ctype.h>
-
-#define _COMPILING_NEWLIB
-#include <dirent.h>
-
-#define _KERNEL
-#include <sys/ipc.h>
-#include <sys/msg.h>
-#include <sys/sem.h>
-#include <sys/shm.h>
-
-static _off64_t format_procsysvipc_msg (void *, char *&);
-static _off64_t format_procsysvipc_sem (void *, char *&);
-static _off64_t format_procsysvipc_shm (void *, char *&);
-
-static const virt_tab_t procsysvipc_tab[] =
-{
- { _VN ("."), FH_PROCSYSVIPC, virt_directory, NULL },
- { _VN (".."), FH_PROCSYSVIPC, virt_directory, NULL },
- { _VN ("msg"), FH_PROCSYSVIPC, virt_file, format_procsysvipc_msg },
- { _VN ("sem"), FH_PROCSYSVIPC, virt_file, format_procsysvipc_sem },
- { _VN ("shm"), FH_PROCSYSVIPC, virt_file, format_procsysvipc_shm },
- { NULL, 0, FH_NADA, virt_none, NULL }
-};
-
-static const int PROCSYSVIPC_LINK_COUNT =
- (sizeof (procsysvipc_tab) / sizeof (virt_tab_t)) - 1;
-
-/* Returns 0 if path doesn't exist, >0 if path is a directory,
- * -1 if path is a file.
- */
-virtual_ftype_t
-fhandler_procsysvipc::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, procsysvipc_tab,
- PROCSYSVIPC_LINK_COUNT);
-
- cygserver_init();
-
- if (entry)
- {
- if (entry->type == virt_file)
- {
- if (cygserver_running != CYGSERVER_OK)
- return virt_none;
- }
- fileid = entry - procsysvipc_tab;
- return entry->type;
- }
- return virt_none;
-}
-
-fhandler_procsysvipc::fhandler_procsysvipc ():
- fhandler_proc ()
-{
-}
-
-int
-fhandler_procsysvipc::fstat (struct __stat64 *buf)
-{
- fhandler_base::fstat (buf);
- buf->st_mode &= ~_IFMT & NO_W;
- int file_type = exists ();
- switch (file_type)
- {
- case virt_none:
- set_errno (ENOENT);
- return -1;
- case virt_directory:
- case virt_rootdir:
- buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
- buf->st_nlink = 2;
- return 0;
- case virt_file:
- default:
- buf->st_mode |= S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
- return 0;
- }
-}
-
-int
-fhandler_procsysvipc::readdir (DIR *dir, dirent *de)
-{
- int res = ENMFILE;
- if (dir->__d_position >= PROCSYSVIPC_LINK_COUNT)
- goto out;
- {
- cygserver_init();
- if (cygserver_running != CYGSERVER_OK)
- goto out;
- }
- strcpy (de->d_name, procsysvipc_tab[dir->__d_position++].name);
- 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_procsysvipc::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, procsysvipc_tab, PROCSYSVIPC_LINK_COUNT);
- if (!entry)
- {
- set_errno ((flags & O_CREAT) ? EROFS : ENOENT);
- res = 0;
- goto out;
- }
- if (flags & O_WRONLY)
- {
- set_errno (EROFS);
- res = 0;
- goto out;
- }
-
- fileid = entry - procsysvipc_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(%p, %d)", res, flags, mode);
- return res;
-}
-
-bool
-fhandler_procsysvipc::fill_filebuf ()
-{
- if (procsysvipc_tab[fileid].format_func)
- {
- filesize = procsysvipc_tab[fileid].format_func (NULL, filebuf);
- return true;
- }
- return false;
-}
-
-static _off64_t
-format_procsysvipc_msg (void *, char *&destbuf)
-{
- tmp_pathbuf tp;
- char *buf = tp.c_get ();
- char *bufptr = buf;
- struct msginfo msginfo;
- struct msqid_ds *xmsqids;
- size_t xmsqids_len;
-
- msgctl (0, IPC_INFO, (struct msqid_ds *) &msginfo);
- xmsqids_len = sizeof (struct msqid_ds) * msginfo.msgmni;
- xmsqids = (struct msqid_ds *) malloc (xmsqids_len);
- msgctl (msginfo.msgmni, IPC_INFO, (struct msqid_ds *) xmsqids);
-
- bufptr += __small_sprintf (bufptr,
- " key msqid perms cbytes qnum lspid lrpid uid gid cuid cgid stime rtime ctime\n");
-
- for (int i = 0; i < msginfo.msgmni; i++) {
- if (xmsqids[i].msg_qbytes != 0) {
- bufptr += sprintf (bufptr,
- "%10llu %10u %5o %11lu %10lu %5d %5d %5lu %5lu %5lu %5lu %10ld %10ld %10ld\n",
- xmsqids[i].msg_perm.key,
- IXSEQ_TO_IPCID(i, xmsqids[i].msg_perm),
- xmsqids[i].msg_perm.mode,
- xmsqids[i].msg_cbytes,
- xmsqids[i].msg_qnum,
- xmsqids[i].msg_lspid,
- xmsqids[i].msg_lrpid,
- xmsqids[i].msg_perm.uid,
- xmsqids[i].msg_perm.gid,
- xmsqids[i].msg_perm.cuid,
- xmsqids[i].msg_perm.cgid,
- xmsqids[i].msg_stime,
- xmsqids[i].msg_rtime,
- xmsqids[i].msg_ctime);
- }
- }
-
- destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
- memcpy (destbuf, buf, bufptr - buf);
- return bufptr - buf;
-}
-
-static _off64_t
-format_procsysvipc_sem (void *, char *&destbuf)
-{
- tmp_pathbuf tp;
- char *buf = tp.c_get ();
- char *bufptr = buf;
- union semun semun;
- struct seminfo seminfo;
- struct semid_ds *xsemids;
- size_t xsemids_len;
-
- semun.buf = (struct semid_ds *) &seminfo;
- semctl (0, 0, IPC_INFO, semun);
- xsemids_len = sizeof (struct semid_ds) * seminfo.semmni;
- xsemids = (struct semid_ds *) malloc (xsemids_len);
- semun.buf = xsemids;
- semctl (seminfo.semmni, 0, IPC_INFO, semun);
-
- bufptr += __small_sprintf (bufptr,
- " key semid perms nsems uid gid cuid cgid otime ctime\n");
- for (int i = 0; i < seminfo.semmni; i++) {
- if ((xsemids[i].sem_perm.mode & SEM_ALLOC) != 0) {
- bufptr += sprintf (bufptr,
- "%10llu %10u %5o %10d %5lu %5lu %5lu %5lu %10ld %10ld\n",
- xsemids[i].sem_perm.key,
- IXSEQ_TO_IPCID(i, xsemids[i].sem_perm),
- xsemids[i].sem_perm.mode,
- xsemids[i].sem_nsems,
- xsemids[i].sem_perm.uid,
- xsemids[i].sem_perm.gid,
- xsemids[i].sem_perm.cuid,
- xsemids[i].sem_perm.cgid,
- xsemids[i].sem_otime,
- xsemids[i].sem_ctime);
- }
- }
-
- destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
- memcpy (destbuf, buf, bufptr - buf);
- return bufptr - buf;
-}
-
-static _off64_t
-format_procsysvipc_shm (void *, char *&destbuf)
-{
- tmp_pathbuf tp;
- char *buf = tp.c_get ();
- char *bufptr = buf;
- struct shminfo shminfo;
- struct shmid_ds *xshmids;
- size_t xshmids_len;
-
- shmctl (0, IPC_INFO, (struct shmid_ds *) &shminfo);
- xshmids_len = sizeof (struct shmid_ds) * shminfo.shmmni;
- xshmids = (struct shmid_ds *) malloc (xshmids_len);
- shmctl (shminfo.shmmni, IPC_INFO, (struct shmid_ds *) xshmids);
-
- bufptr += __small_sprintf (bufptr,
- " key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime\n");
- for (int i = 0; i < shminfo.shmmni; i++) {
- if (xshmids[i].shm_perm.mode & 0x0800) {
- bufptr += sprintf (bufptr,
- "%10llu %10u %5o %10u %5d %5d %6u %5lu %5lu %5lu %5lu %10ld %10ld %10ld\n",
- xshmids[i].shm_perm.key,
- IXSEQ_TO_IPCID(i, xshmids[i].shm_perm),
- xshmids[i].shm_perm.mode,
- xshmids[i].shm_segsz,
- xshmids[i].shm_cpid,
- xshmids[i].shm_lpid,
- xshmids[i].shm_nattch,
- xshmids[i].shm_perm.uid,
- xshmids[i].shm_perm.gid,
- xshmids[i].shm_perm.cuid,
- xshmids[i].shm_perm.cgid,
- xshmids[i].shm_atime,
- xshmids[i].shm_dtime,
- xshmids[i].shm_ctime);
- }
- }
-
- destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
- memcpy (destbuf, buf, bufptr - buf);
- return bufptr - buf;
-}
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