diff options
Diffstat (limited to 'winsup/cygwin/uinfo.cc')
| -rw-r--r-- | winsup/cygwin/uinfo.cc | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc deleted file mode 100644 index 6f73fbf1e..000000000 --- a/winsup/cygwin/uinfo.cc +++ /dev/null @@ -1,290 +0,0 @@ -/* uinfo.cc: user info (uid, gid, etc...) - - Copyright 1996, 1997, 1998 Cygnus Solutions. - -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 <pwd.h> -#include <unistd.h> -#include <winnls.h> -#include <wininet.h> -#include <utmp.h> -#include <limits.h> -#include <stdlib.h> -#include <lm.h> -#include <sys/cygwin.h> -#include "sync.h" -#include "sigproc.h" -#include "pinfo.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" -#include "registry.h" -#include "security.h" - -struct passwd * -internal_getlogin (cygheap_user &user) -{ - char username[UNLEN + 1]; - DWORD username_len = UNLEN + 1; - struct passwd *pw = NULL; - - if (!GetUserName (username, &username_len)) - user.set_name ("unknown"); - else - user.set_name (username); - debug_printf ("GetUserName() = %s", user.name ()); - - if (os_being_run == winNT) - { - LPWKSTA_USER_INFO_1 wui; - NET_API_STATUS ret; - char buf[512]; - char *env; - - user.set_logsrv (NULL); - /* First trying to get logon info from environment */ - if ((env = getenv ("USERNAME")) != NULL) - user.set_name (env); - if ((env = getenv ("USERDOMAIN")) != NULL) - user.set_domain (env); - if ((env = getenv ("LOGONSERVER")) != NULL) - user.set_logsrv (env + 2); /* filter leading double backslashes */ - if (user.name () && user.domain ()) - debug_printf ("User: %s, Domain: %s, Logon Server: %s", - user.name (), user.domain (), user.logsrv ()); - else if (!(ret = NetWkstaUserGetInfo (NULL, 1, (LPBYTE *)&wui))) - { - sys_wcstombs (buf, wui->wkui1_username, UNLEN + 1); - user.set_name (buf); - sys_wcstombs (buf, wui->wkui1_logon_server, - INTERNET_MAX_HOST_NAME_LENGTH + 1); - user.set_logsrv (buf); - sys_wcstombs (buf, wui->wkui1_logon_domain, - INTERNET_MAX_HOST_NAME_LENGTH + 1); - user.set_domain (buf); - NetApiBufferFree (wui); - } - if (!user.logsrv () && get_logon_server_and_user_domain (buf, NULL)) - { - user.set_logsrv (buf + 2); - setenv ("LOGONSERVER", buf, 1); - } - LPUSER_INFO_3 ui = NULL; - WCHAR wuser[UNLEN + 1]; - WCHAR wlogsrv[INTERNET_MAX_HOST_NAME_LENGTH + 3]; - - /* HOMEDRIVE and HOMEPATH are wrong most of the time, too, - after changing user context! */ - sys_mbstowcs (wuser, user.name (), UNLEN + 1); - wlogsrv[0] = '\0'; - if (user.logsrv ()) - { - strcat (strcpy (buf, "\\\\"), user.logsrv ()); - sys_mbstowcs (wlogsrv, buf, INTERNET_MAX_HOST_NAME_LENGTH + 3); - } - if (!NetUserGetInfo (NULL, wuser, 3, (LPBYTE *)&ui) - || (wlogsrv[0] && !NetUserGetInfo (wlogsrv, wuser, 3,(LPBYTE *)&ui))) - { - sys_wcstombs (buf, ui->usri3_home_dir, MAX_PATH); - if (!buf[0]) - { - sys_wcstombs (buf, ui->usri3_home_dir_drive, MAX_PATH); - if (buf[0]) - strcat (buf, "\\"); - else - { - env = getenv ("SYSTEMDRIVE"); - if (env && *env) - strcat (strcpy (buf, env), "\\"); - else - GetSystemDirectoryA (buf, MAX_PATH); - } - } - setenv ("HOMEPATH", buf + 2, 1); - buf[2] = '\0'; - setenv ("HOMEDRIVE", buf, 1); - NetApiBufferFree (ui); - } - debug_printf ("Domain: %s, Logon Server: %s, Windows Username: %s", - user.domain (), user.logsrv (), user.name ()); - - if (allow_ntsec) - { - HANDLE ptok = user.token; /* Which is INVALID_HANDLE_VALUE if no - impersonation took place. */ - DWORD siz; - cygsid tu; - int ret = 0; - - /* Try to get the SID either from already impersonated token - or from current process first. To differ that two cases is - important, because you can't rely on the user information - in a process token of a currently impersonated process. */ - if (ptok == INVALID_HANDLE_VALUE - && !OpenProcessToken (GetCurrentProcess (), - TOKEN_ADJUST_DEFAULT | TOKEN_QUERY, - &ptok)) - debug_printf ("OpenProcessToken(): %E\n"); - else if (!GetTokenInformation (ptok, TokenUser, &tu, sizeof tu, &siz)) - debug_printf ("GetTokenInformation(): %E"); - else if (!(ret = user.set_sid (tu))) - debug_printf ("Couldn't retrieve SID from access token!"); - /* If that failes, try to get the SID from localhost. This can only - be done if a domain is given because there's a chance that a local - and a domain user may have the same name. */ - if (!ret && user.domain ()) - { - /* Concat DOMAIN\USERNAME for the next lookup */ - strcat (strcat (strcpy (buf, user.domain ()), "\\"), user.name ()); - if (!(ret = lookup_name (buf, NULL, user.sid ()))) - debug_printf ("Couldn't retrieve SID locally!"); - } - - /* If that fails, too, as a last resort try to get the SID from - the logon server. */ - if (!ret && !(ret = lookup_name (user.name (), user.logsrv (), - user.sid ()))) - debug_printf ("Couldn't retrieve SID from '%s'!", user.logsrv ()); - - /* If we have a SID, try to get the corresponding Cygwin user name - which can be different from the Windows user name. */ - cygsid gsid (NO_SID); - if (ret) - { - cygsid psid; - - for (int pidx = 0; (pw = internal_getpwent (pidx)); ++pidx) - if (psid.getfrompw (pw) && EqualSid (user.sid (), psid)) - { - user.set_name (pw->pw_name); - struct group *gr = getgrgid (pw->pw_gid); - if (gr) - if (!gsid.getfromgr (gr)) - gsid = NO_SID; - break; - } - if (!strcasematch (user.name (), "SYSTEM") - && user.domain () && user.logsrv ()) - { - if (get_registry_hive_path (user.sid (), buf)) - setenv ("USERPROFILE", buf, 1); - else - unsetenv ("USERPROFILE"); - } - } - - /* If this process is started from a non Cygwin process, - set token owner to the same value as token user and - primary group to the group which is set as primary group - in /etc/passwd. */ - if (ptok != INVALID_HANDLE_VALUE && myself->ppid == 1) - { - if (!SetTokenInformation (ptok, TokenOwner, &tu, sizeof tu)) - debug_printf ("SetTokenInformation(TokenOwner): %E"); - if (gsid && !SetTokenInformation (ptok, TokenPrimaryGroup, - &gsid, sizeof gsid)) - debug_printf ("SetTokenInformation(TokenPrimaryGroup): %E"); - } - - /* Close token only if it's a result from OpenProcessToken(). */ - if (ptok != INVALID_HANDLE_VALUE - && user.token == INVALID_HANDLE_VALUE) - CloseHandle (ptok); - } - } - debug_printf ("Cygwins Username: %s", user.name ()); - return pw ?: getpwnam(user.name ()); -} - -void -uinfo_init () -{ - struct passwd *p; - - /* Initialize to non impersonated values. - Setting `impersonated' to TRUE seems to be wrong but it - isn't. Impersonated is thought as "Current User and `token' - are coincident". See seteuid() for the mechanism behind that. */ - if (cygheap->user.token != INVALID_HANDLE_VALUE) - CloseHandle (cygheap->user.token); - cygheap->user.token = INVALID_HANDLE_VALUE; - cygheap->user.impersonated = TRUE; - - /* If uid is USHRT_MAX, the process is started from a non cygwin - process or the user context was changed in spawn.cc */ - if (myself->uid == USHRT_MAX) - if ((p = internal_getlogin (cygheap->user)) != NULL) - { - myself->uid = p->pw_uid; - /* Set primary group only if ntsec is off or the process has been - started from a non cygwin process. */ - if (!allow_ntsec || myself->ppid == 1) - myself->gid = p->pw_gid; - } - else - { - myself->uid = DEFAULT_UID; - myself->gid = DEFAULT_GID; - } - /* Real and effective uid/gid are always identical on process start up. - This is at least true for NT/W2K. */ - cygheap->user.orig_uid = cygheap->user.real_uid = myself->uid; - cygheap->user.orig_gid = cygheap->user.real_gid = myself->gid; -} - -extern "C" char * -getlogin (void) -{ -#ifdef _MT_SAFE - char *this_username=_reent_winsup ()->_username; -#else - static NO_COPY char this_username[UNLEN + 1]; -#endif - - return strcpy (this_username, cygheap->user.name ()); -} - -extern "C" uid_t -getuid (void) -{ - return cygheap->user.real_uid; -} - -extern "C" gid_t -getgid (void) -{ - return cygheap->user.real_gid; -} - -extern "C" uid_t -geteuid (void) -{ - return myself->uid; -} - -extern "C" gid_t -getegid (void) -{ - return myself->gid; -} - -/* Not quite right - cuserid can change, getlogin can't */ -extern "C" char * -cuserid (char *src) -{ - if (src) - { - strcpy (src, getlogin ()); - return src; - } - else - { - return getlogin (); - } -} |