diff options
Diffstat (limited to 'winsup/cygwin/external.cc')
-rw-r--r-- | winsup/cygwin/external.cc | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/winsup/cygwin/external.cc b/winsup/cygwin/external.cc deleted file mode 100644 index c209104..0000000 --- a/winsup/cygwin/external.cc +++ /dev/null @@ -1,304 +0,0 @@ -/* external.cc: Interface to Cygwin internals from external programs. - - Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc. - - Written by Christopher Faylor <cgf@cygnus.com> - -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 "security.h" -#include "sigproc.h" -#include "pinfo.h" -#include <exceptions.h> -#include "shared_info.h" -#include "cygwin_version.h" -#include "perprocess.h" -#include "cygerrno.h" -#include "path.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" -#include "wincap.h" -#include "heap.h" -#include "cygthread.h" -#include "pwdgrp.h" - -static external_pinfo * -fillout_pinfo (pid_t pid, int winpid) -{ - BOOL nextpid; - static external_pinfo ep; - - if ((nextpid = !!(pid & CW_NEXTPID))) - pid ^= CW_NEXTPID; - - static winpids pids (0); - - static unsigned int i; - if (!pids.npids || !nextpid) - { - pids.set (winpid); - i = 0; - } - - if (!pid) - i = 0; - - memset (&ep, 0, sizeof ep); - while (i < pids.npids) - { - DWORD thispid = pids.winpid (i); - _pinfo *p = pids[i]; - i++; - - if (!p) - { - if (!nextpid && thispid != (DWORD) pid) - continue; - ep.pid = cygwin_pid (thispid); - ep.dwProcessId = thispid; - ep.process_state = PID_IN_USE; - ep.ctty = -1; - break; - } - else if (nextpid || p->pid == pid || (winpid && thispid == (DWORD) pid)) - { - ep.ctty = p->ctty; - ep.pid = p->pid; - ep.ppid = p->ppid; - ep.hProcess = p->hProcess; - ep.dwProcessId = p->dwProcessId; - ep.uid = p->uid; - ep.gid = p->gid; - ep.pgid = p->pgid; - ep.sid = p->sid; - ep.umask = 0; - ep.start_time = p->start_time; - ep.rusage_self = p->rusage_self; - ep.rusage_children = p->rusage_children; - strcpy (ep.progname, p->progname); - ep.strace_mask = 0; - ep.version = EXTERNAL_PINFO_VERSION; - - ep.process_state = p->process_state; - - ep.uid32 = p->uid; - ep.gid32 = p->gid; - break; - } - } - - if (!ep.pid) - { - i = 0; - pids.reset (); - return 0; - } - return &ep; -} - -static DWORD -get_cygdrive_info (char *user, char *system, char *user_flags, - char *system_flags) -{ - int res = mount_table->get_cygdrive_info (user, system, user_flags, - system_flags); - return (res == ERROR_SUCCESS) ? 1 : 0; -} - -static DWORD -get_cygdrive_prefixes (char *user, char *system) -{ - char user_flags[CYG_MAX_PATH]; - char system_flags[CYG_MAX_PATH]; - DWORD res = get_cygdrive_info (user, system, user_flags, system_flags); - return res; -} - -static DWORD -check_ntsec (const char *filename) -{ - if (!filename) - return wincap.has_security () && allow_ntsec; - path_conv pc (filename); - return wincap.has_security () && allow_ntsec && pc.has_acls (); -} - -extern "C" unsigned long -cygwin_internal (cygwin_getinfo_types t, ...) -{ - va_list arg; - va_start (arg, t); - if (t != CW_USER_DATA) - { - wincap.init (); - if (!myself) - { - memory_init (); - malloc_init (); - set_myself (1); - } - } - - switch (t) - { - case CW_LOCK_PINFO: - return 1; - - case CW_UNLOCK_PINFO: - return 1; - - case CW_GETTHREADNAME: - return (DWORD) cygthread::name (va_arg (arg, DWORD)); - - case CW_SETTHREADNAME: - { - set_errno (ENOSYS); - return 0; - } - - case CW_GETPINFO: - return (DWORD) fillout_pinfo (va_arg (arg, DWORD), 0); - - case CW_GETVERSIONINFO: - return (DWORD) cygwin_version_strings; - - case CW_READ_V1_MOUNT_TABLES: - set_errno (ENOSYS); - return 1; - - case CW_USER_DATA: - return (DWORD) &__cygwin_user_data; - - case CW_PERFILE: - perfile_table = va_arg (arg, struct __cygwin_perfile *); - return 0; - - case CW_GET_CYGDRIVE_PREFIXES: - { - char *user = va_arg (arg, char *); - char *system = va_arg (arg, char *); - return get_cygdrive_prefixes (user, system); - } - - case CW_GETPINFO_FULL: - return (DWORD) fillout_pinfo (va_arg (arg, pid_t), 1); - - case CW_INIT_EXCEPTIONS: - init_exceptions (va_arg (arg, exception_list *)); - return 0; - - case CW_GET_CYGDRIVE_INFO: - { - char *user = va_arg (arg, char *); - char *system = va_arg (arg, char *); - char *user_flags = va_arg (arg, char *); - char *system_flags = va_arg (arg, char *); - return get_cygdrive_info (user, system, user_flags, system_flags); - } - - case CW_SET_CYGWIN_REGISTRY_NAME: - { - const char *cr = va_arg (arg, char *); - if (check_null_empty_str_errno (cr)) - return (DWORD) NULL; - cygheap->cygwin_regname = (char *) crealloc (cygheap->cygwin_regname, - strlen (cr) + 1); - strcpy (cygheap->cygwin_regname, cr); - } - case CW_GET_CYGWIN_REGISTRY_NAME: - return (DWORD) cygheap->cygwin_regname; - - case CW_STRACE_TOGGLE: - { - pid_t pid = va_arg (arg, pid_t); - pinfo p (pid); - if (p) - { - sig_send (p, __SIGSTRACE); - return 0; - } - else - { - set_errno (ESRCH); - return (DWORD) -1; - } - } - - case CW_STRACE_ACTIVE: - { - return strace.active; - } - - case CW_CYGWIN_PID_TO_WINPID: - { - pinfo p (va_arg (arg, pid_t)); - return p ? p->dwProcessId : 0; - } - case CW_EXTRACT_DOMAIN_AND_USER: - { - struct passwd *pw = va_arg (arg, struct passwd *); - char *domain = va_arg (arg, char *); - char *user = va_arg (arg, char *); - extract_nt_dom_user (pw, domain, user); - return 0; - } - case CW_CMDLINE: - { - size_t n; - pid_t pid = va_arg (arg, pid_t); - pinfo p (pid); - return (DWORD) p->cmdline (n); - } - case CW_CHECK_NTSEC: - { - char *filename = va_arg (arg, char *); - return check_ntsec (filename); - } - case CW_GET_ERRNO_FROM_WINERROR: - { - int error = va_arg (arg, int); - int deferrno = va_arg (arg, int); - return geterrno_from_win_error (error, deferrno); - } - case CW_GET_POSIX_SECURITY_ATTRIBUTE: - { - security_descriptor sd; - int attribute = va_arg (arg, int); - PSECURITY_ATTRIBUTES psa = va_arg (arg, PSECURITY_ATTRIBUTES); - void *sd_buf = va_arg (arg, void *); - DWORD sd_buf_size = va_arg (arg, DWORD); - set_security_attribute (attribute, psa, sd); - if (!psa->lpSecurityDescriptor || sd.size () > sd_buf_size) - return sd.size (); - memcpy (sd_buf, sd, sd.size ()); - psa->lpSecurityDescriptor = sd_buf; - return 0; - } - case CW_GET_SHMLBA: - { - return getshmlba (); - } - case CW_GET_UID_FROM_SID: - { - PSID psid = va_arg (arg, PSID); - cygsid sid (psid); - struct passwd *pw = internal_getpwsid (sid); - return pw ? pw->pw_uid : (__uid32_t)-1; - } - case CW_GET_GID_FROM_SID: - { - PSID psid = va_arg (arg, PSID); - cygsid sid (psid); - struct __group32 *gr = internal_getgrsid (sid); - return gr ? gr->gr_gid : (__gid32_t)-1; - } - default: - return (DWORD) -1; - } -} |