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-rw-r--r--winsup/cygwin/uinfo.cc590
1 files changed, 0 insertions, 590 deletions
diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc
deleted file mode 100644
index f9ed1a686..000000000
--- a/winsup/cygwin/uinfo.cc
+++ /dev/null
@@ -1,590 +0,0 @@
-/* uinfo.cc: user info (uid, gid, etc...)
-
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 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 <unistd.h>
-#include <wininet.h>
-#include <stdlib.h>
-#include <wchar.h>
-#include <lm.h>
-#include <iptypes.h>
-#include <sys/cygwin.h>
-#include "cygerrno.h"
-#include "pinfo.h"
-#include "path.h"
-#include "fhandler.h"
-#include "dtable.h"
-#include "cygheap.h"
-#include "shared_info.h"
-#include "registry.h"
-#include "child_info.h"
-#include "environ.h"
-#include "pwdgrp.h"
-#include "tls_pbuf.h"
-#include "ntdll.h"
-
-/* Initialize the part of cygheap_user that does not depend on files.
- The information is used in shared.cc for the user shared.
- Final initialization occurs in uinfo_init */
-void
-cygheap_user::init ()
-{
- char user_name[UNLEN + 1];
- DWORD user_name_len = UNLEN + 1;
-
- set_name (GetUserName (user_name, &user_name_len) ? user_name : "unknown");
-
- DWORD siz;
- PSECURITY_DESCRIPTOR psd;
-
- if (!GetTokenInformation (hProcToken, TokenPrimaryGroup,
- &groups.pgsid, sizeof (cygsid), &siz))
- system_printf ("GetTokenInformation (TokenPrimaryGroup), %E");
-
- /* Get the SID from current process and store it in effec_cygsid */
- if (!GetTokenInformation (hProcToken, TokenUser, &effec_cygsid,
- sizeof (cygsid), &siz))
- {
- system_printf ("GetTokenInformation (TokenUser), %E");
- return;
- }
-
- /* Set token owner to the same value as token user */
- if (!SetTokenInformation (hProcToken, TokenOwner, &effec_cygsid,
- sizeof (cygsid)))
- debug_printf ("SetTokenInformation(TokenOwner), %E");
-
- /* Standard way to build a security descriptor with the usual DACL */
- PSECURITY_ATTRIBUTES sa_buf = (PSECURITY_ATTRIBUTES) alloca (1024);
- psd = (PSECURITY_DESCRIPTOR)
- (sec_user_nih (sa_buf, sid()))->lpSecurityDescriptor;
-
- BOOL acl_exists, dummy;
- TOKEN_DEFAULT_DACL dacl;
- if (GetSecurityDescriptorDacl (psd, &acl_exists, &dacl.DefaultDacl, &dummy)
- && acl_exists && dacl.DefaultDacl)
- {
- NTSTATUS status;
-
- /* Set the default DACL and the process DACL */
- if (!SetTokenInformation (hProcToken, TokenDefaultDacl, &dacl,
- sizeof (dacl)))
- system_printf ("SetTokenInformation (TokenDefaultDacl), %E");
- if ((status = NtSetSecurityObject (hMainProc, DACL_SECURITY_INFORMATION,
- psd)))
- system_printf ("NtSetSecurityObject, %lx", status);
- }
- else
- system_printf("Cannot get dacl, %E");
-}
-
-void
-internal_getlogin (cygheap_user &user)
-{
- struct passwd *pw = NULL;
-
- cygpsid psid = user.sid ();
- pw = internal_getpwsid (psid);
-
- if (!pw && !(pw = internal_getpwnam (user.name ()))
- && !(pw = internal_getpwuid (DEFAULT_UID)))
- debug_printf ("user not found in augmented /etc/passwd");
- else
- {
- cygsid gsid;
-
- myself->uid = pw->pw_uid;
- myself->gid = pw->pw_gid;
- user.set_name (pw->pw_name);
- if (gsid.getfromgr (internal_getgrgid (pw->pw_gid)))
- {
- if (gsid != user.groups.pgsid)
- {
- /* Set primary group to the group in /etc/passwd. */
- if (!SetTokenInformation (hProcToken, TokenPrimaryGroup,
- &gsid, sizeof gsid))
- debug_printf ("SetTokenInformation(TokenPrimaryGroup), %E");
- else
- user.groups.pgsid = gsid;
- clear_procimptoken ();
- }
- }
- else
- debug_printf ("gsid not found in augmented /etc/group");
- }
- cygheap->user.ontherange (CH_HOME, pw);
-}
-
-void
-uinfo_init ()
-{
- if (child_proc_info && !cygheap->user.has_impersonation_tokens ())
- return;
-
- if (!child_proc_info)
- internal_getlogin (cygheap->user); /* Set the cygheap->user. */
- /* Conditions must match those in spawn to allow starting child
- processes with ruid != euid and rgid != egid. */
- else if (cygheap->user.issetuid ()
- && cygheap->user.saved_uid == cygheap->user.real_uid
- && cygheap->user.saved_gid == cygheap->user.real_gid
- && !cygheap->user.groups.issetgroups ())
- {
- cygheap->user.reimpersonate ();
- return;
- }
- else
- cygheap->user.close_impersonation_tokens ();
-
- cygheap->user.saved_uid = cygheap->user.real_uid = myself->uid;
- cygheap->user.saved_gid = cygheap->user.real_gid = myself->gid;
- cygheap->user.external_token = NO_IMPERSONATION;
- cygheap->user.internal_token = NO_IMPERSONATION;
- cygheap->user.curr_primary_token = NO_IMPERSONATION;
- cygheap->user.curr_imp_token = NO_IMPERSONATION;
- cygheap->user.set_saved_sid (); /* Update the original sid */
- cygheap->user.reimpersonate ();
-}
-
-extern "C" int
-getlogin_r (char *name, size_t namesize)
-{
- char *login = getlogin ();
- size_t len = strlen (login) + 1;
- if (len > namesize)
- return ERANGE;
- myfault efault;
- if (efault.faulted ())
- return EFAULT;
- strncpy (name, login, len);
- return 0;
-}
-
-extern "C" char *
-getlogin (void)
-{
- return strcpy (_my_tls.locals.username, cygheap->user.name ());
-}
-
-extern "C" __uid32_t
-getuid32 (void)
-{
- return cygheap->user.real_uid;
-}
-
-extern "C" __uid16_t
-getuid (void)
-{
- return cygheap->user.real_uid;
-}
-
-extern "C" __gid32_t
-getgid32 (void)
-{
- return cygheap->user.real_gid;
-}
-
-extern "C" __gid16_t
-getgid (void)
-{
- return cygheap->user.real_gid;
-}
-
-extern "C" __uid32_t
-geteuid32 (void)
-{
- return myself->uid;
-}
-
-extern "C" __uid16_t
-geteuid (void)
-{
- return myself->uid;
-}
-
-extern "C" __gid32_t
-getegid32 (void)
-{
- return myself->gid;
-}
-
-extern "C" __gid16_t
-getegid (void)
-{
- return myself->gid;
-}
-
-/* Not quite right - cuserid can change, getlogin can't */
-extern "C" char *
-cuserid (char *src)
-{
- if (!src)
- return getlogin ();
-
- strcpy (src, getlogin ());
- return src;
-}
-
-const char *
-cygheap_user::ontherange (homebodies what, struct passwd *pw)
-{
- LPUSER_INFO_3 ui = NULL;
- WCHAR wuser[UNLEN + 1];
- NET_API_STATUS ret;
- char homedrive_env_buf[3];
- char *newhomedrive = NULL;
- char *newhomepath = NULL;
- tmp_pathbuf tp;
-
- debug_printf ("what %d, pw %p", what, pw);
- if (what == CH_HOME)
- {
- char *p;
- if (homedrive)
- newhomedrive = homedrive;
- else if ((p = getenv ("HOMEDRIVE")))
- newhomedrive = p;
-
- if (homepath)
- newhomepath = homepath;
- else if ((p = getenv ("HOMEPATH")))
- newhomepath = p;
-
- if ((p = getenv ("HOME")))
- debug_printf ("HOME is already in the environment %s", p);
- else
- {
- if (pw && pw->pw_dir && *pw->pw_dir)
- {
- debug_printf ("Set HOME (from /etc/passwd) to %s", pw->pw_dir);
- setenv ("HOME", pw->pw_dir, 1);
- }
- else if (!newhomedrive || !newhomepath)
- setenv ("HOME", "/", 1);
- else
- {
- char *home = tp.c_get ();
- char *buf = tp.c_get ();
- strcpy (buf, newhomedrive);
- strcat (buf, newhomepath);
- cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, buf, home,
- NT_MAX_PATH);
- debug_printf ("Set HOME (from HOMEDRIVE/HOMEPATH) to %s", home);
- setenv ("HOME", home, 1);
- }
- }
- }
-
- if (what != CH_HOME && homepath == NULL && newhomepath == NULL)
- {
- char *homepath_env_buf = tp.c_get ();
- if (!pw)
- pw = internal_getpwnam (name ());
- if (pw && pw->pw_dir && *pw->pw_dir)
- cygwin_conv_path (CCP_POSIX_TO_WIN_A, pw->pw_dir, homepath_env_buf,
- NT_MAX_PATH);
- else
- {
- homepath_env_buf[0] = homepath_env_buf[1] = '\0';
- if (logsrv ())
- {
- WCHAR wlogsrv[INTERNET_MAX_HOST_NAME_LENGTH + 3];
- sys_mbstowcs (wlogsrv, sizeof (wlogsrv) / sizeof (*wlogsrv),
- logsrv ());
- sys_mbstowcs (wuser, sizeof (wuser) / sizeof (*wuser), winname ());
- if (!(ret = NetUserGetInfo (wlogsrv, wuser, 3, (LPBYTE *) &ui)))
- {
- sys_wcstombs (homepath_env_buf, NT_MAX_PATH,
- ui->usri3_home_dir);
- if (!homepath_env_buf[0])
- {
- sys_wcstombs (homepath_env_buf, NT_MAX_PATH,
- ui->usri3_home_dir_drive);
- if (homepath_env_buf[0])
- strcat (homepath_env_buf, "\\");
- else
- cygwin_conv_path (CCP_POSIX_TO_WIN_A | CCP_ABSOLUTE,
- "/", homepath_env_buf, NT_MAX_PATH);
- }
- }
- }
- if (ui)
- NetApiBufferFree (ui);
- }
-
- if (homepath_env_buf[1] != ':')
- {
- newhomedrive = almost_null;
- newhomepath = homepath_env_buf;
- }
- else
- {
- homedrive_env_buf[0] = homepath_env_buf[0];
- homedrive_env_buf[1] = homepath_env_buf[1];
- homedrive_env_buf[2] = '\0';
- newhomedrive = homedrive_env_buf;
- newhomepath = homepath_env_buf + 2;
- }
- }
-
- if (newhomedrive && newhomedrive != homedrive)
- cfree_and_set (homedrive, (newhomedrive == almost_null)
- ? almost_null : cstrdup (newhomedrive));
-
- if (newhomepath && newhomepath != homepath)
- cfree_and_set (homepath, cstrdup (newhomepath));
-
- switch (what)
- {
- case CH_HOMEDRIVE:
- return homedrive;
- case CH_HOMEPATH:
- return homepath;
- default:
- return homepath;
- }
-}
-
-const char *
-cygheap_user::test_uid (char *&what, const char *name, size_t namelen)
-{
- if (!what && !issetuid ())
- what = getwinenveq (name, namelen, HEAP_STR);
- return what;
-}
-
-const char *
-cygheap_user::env_logsrv (const char *name, size_t namelen)
-{
- if (test_uid (plogsrv, name, namelen))
- return plogsrv;
-
- const char *mydomain = domain ();
- const char *myname = winname ();
- if (!mydomain || ascii_strcasematch (myname, "SYSTEM"))
- return almost_null;
-
- WCHAR wdomain[MAX_DOMAIN_NAME_LEN + 1];
- WCHAR wlogsrv[INTERNET_MAX_HOST_NAME_LENGTH + 3];
- sys_mbstowcs (wdomain, MAX_DOMAIN_NAME_LEN + 1, mydomain);
- cfree_and_set (plogsrv, almost_null);
- if (get_logon_server (wdomain, wlogsrv, false))
- sys_wcstombs_alloc (&plogsrv, HEAP_STR, wlogsrv);
- return plogsrv;
-}
-
-const char *
-cygheap_user::env_domain (const char *name, size_t namelen)
-{
- if (pwinname && test_uid (pdomain, name, namelen))
- return pdomain;
-
- char username[UNLEN + 1];
- DWORD ulen = sizeof (username);
- char userdomain[DNLEN + 1];
- DWORD dlen = sizeof (userdomain);
- SID_NAME_USE use;
-
- cfree_and_set (pwinname, almost_null);
- cfree_and_set (pdomain, almost_null);
- if (!LookupAccountSid (NULL, sid (), username, &ulen,
- userdomain, &dlen, &use))
- __seterrno ();
- else
- {
- pwinname = cstrdup (username);
- pdomain = cstrdup (userdomain);
- }
- return pdomain;
-}
-
-const char *
-cygheap_user::env_userprofile (const char *name, size_t namelen)
-{
- if (test_uid (puserprof, name, namelen))
- return puserprof;
-
- WCHAR userprofile_env_buf[NT_MAX_PATH];
- WCHAR win_id[UNLEN + 1]; /* Large enough for SID */
-
- cfree_and_set (puserprof, almost_null);
- if (get_registry_hive_path (get_windows_id (win_id), userprofile_env_buf))
- sys_wcstombs_alloc (&puserprof, HEAP_STR, userprofile_env_buf);
-
- return puserprof;
-}
-
-const char *
-cygheap_user::env_homepath (const char *name, size_t namelen)
-{
- return ontherange (CH_HOMEPATH);
-}
-
-const char *
-cygheap_user::env_homedrive (const char *name, size_t namelen)
-{
- return ontherange (CH_HOMEDRIVE);
-}
-
-const char *
-cygheap_user::env_name (const char *name, size_t namelen)
-{
- if (!test_uid (pwinname, name, namelen))
- domain ();
- return pwinname;
-}
-
-const char *
-cygheap_user::env_systemroot (const char *name, size_t namelen)
-{
- if (!psystemroot)
- {
- int size = GetWindowsDirectory (NULL, 0);
- if (size > 0)
- {
- psystemroot = (char *) cmalloc_abort (HEAP_STR, ++size);
- size = GetWindowsDirectory (psystemroot, size);
- if (size <= 0)
- {
- cfree (psystemroot);
- psystemroot = NULL;
- }
- }
- if (size <= 0)
- debug_printf ("GetWindowsDirectory(), %E");
- }
- return psystemroot;
-}
-
-char *
-pwdgrp::next_str (char c)
-{
- char *res = lptr;
- lptr = strechr (lptr, c);
- if (*lptr)
- *lptr++ = '\0';
- return res;
-}
-
-bool
-pwdgrp::next_num (unsigned long& n)
-{
- char *p = next_str (':');
- char *cp;
- n = strtoul (p, &cp, 10);
- return p != cp && !*cp;
-}
-
-char *
-pwdgrp::add_line (char *eptr)
-{
- if (eptr)
- {
- lptr = eptr;
- eptr = strchr (lptr, '\n');
- if (eptr)
- {
- if (eptr > lptr && eptr[-1] == '\r')
- eptr[-1] = '\0';
- else
- *eptr = '\0';
- eptr++;
- }
- if (curr_lines >= max_lines)
- {
- max_lines += 10;
- *pwdgrp_buf = realloc (*pwdgrp_buf, max_lines * pwdgrp_buf_elem_size);
- }
- if ((this->*parse) ())
- curr_lines++;
- }
- return eptr;
-}
-
-void
-pwdgrp::load (const wchar_t *rel_path)
-{
- static const char failed[] = "failed";
- static const char succeeded[] = "succeeded";
- const char *res = failed;
- HANDLE fh = NULL;
- LARGE_INTEGER off = { QuadPart:0LL };
-
- NTSTATUS status;
- OBJECT_ATTRIBUTES attr;
- IO_STATUS_BLOCK io;
- FILE_STANDARD_INFORMATION fsi;
-
- if (buf)
- free (buf);
- buf = NULL;
- curr_lines = 0;
-
- if (!path &&
- !(path = (PWCHAR) malloc ((wcslen (cygwin_shared->installation_root)
- + wcslen (rel_path) + 1) * sizeof (WCHAR))))
- {
- paranoid_printf ("malloc (%W) failed", rel_path);
- goto out;
- }
- wcpcpy (wcpcpy (path, cygwin_shared->installation_root), rel_path);
- RtlInitUnicodeString (&upath, path);
-
- InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL);
- etc_ix = etc::init (etc_ix, &attr);
-
- paranoid_printf ("%S", &upath);
-
- status = NtOpenFile (&fh, FILE_READ_DATA, &attr, &io,
- FILE_SHARE_VALID_FLAGS, 0);
- if (!NT_SUCCESS (status))
- {
- paranoid_printf ("NtOpenFile(%S) failed, status %p", &upath, status);
- goto out;
- }
- status = NtQueryInformationFile (fh, &io, &fsi, sizeof fsi,
- FileStandardInformation);
- if (!NT_SUCCESS (status))
- {
- paranoid_printf ("NtQueryInformationFile(%S) failed, status %p",
- &upath, status);
- goto out;
- }
- /* FIXME: Should we test for HighPart set? If so, the
- passwd or group file is way beyond what we can handle. */
- /* FIXME 2: It's still ugly that we keep the file in memory.
- Big organizations have naturally large passwd files. */
- buf = (char *) malloc (fsi.EndOfFile.LowPart + 1);
- if (!buf)
- {
- paranoid_printf ("malloc (%d) failed", fsi.EndOfFile.LowPart);
- goto out;
- }
- status = NtReadFile (fh, NULL, NULL, NULL, &io, buf,
- fsi.EndOfFile.LowPart, &off, NULL);
- if (!NT_SUCCESS (status))
- {
- paranoid_printf ("NtReadFile(%S) failed, status %p", &upath, status);
- free (buf);
- goto out;
- }
- buf[fsi.EndOfFile.LowPart] = '\0';
- for (char *eptr = buf; (eptr = add_line (eptr)); )
- continue;
- debug_printf ("%W curr_lines %d", rel_path, curr_lines);
- res = succeeded;
-
-out:
- if (fh)
- NtClose (fh);
- debug_printf ("%W load %s", rel_path, res);
- initialized = true;
-}
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