diff options
Diffstat (limited to 'winsup/cygwin/uinfo.cc')
| -rw-r--r-- | winsup/cygwin/uinfo.cc | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc deleted file mode 100644 index 1f28e92e4..000000000 --- a/winsup/cygwin/uinfo.cc +++ /dev/null @@ -1,415 +0,0 @@ -/* uinfo.cc: user info (uid, gid, etc...) - - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 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 <pwd.h> -#include <unistd.h> -#include <winnls.h> -#include <wininet.h> -#include <utmp.h> -#include <limits.h> -#include <stdlib.h> -#include <lm.h> -#include <errno.h> -#include <sys/cygwin.h> -#include "pinfo.h" -#include "security.h" -#include "fhandler.h" -#include "path.h" -#include "dtable.h" -#include "cygerrno.h" -#include "cygheap.h" -#include "registry.h" - -struct passwd * -internal_getlogin (cygheap_user &user) -{ - char buf[512]; - char username[UNLEN + 1]; - DWORD username_len = UNLEN + 1; - struct passwd *pw = NULL; - - if (!GetUserName (username, &username_len)) - user.set_name (NULL); - else - user.set_name (username); - debug_printf ("GetUserName() = %s", user.name ()); - - if (wincap.has_security ()) - { - LPWKSTA_USER_INFO_1 wui; - NET_API_STATUS ret; - char *env; - - user.set_logsrv (NULL); - /* First trying to get logon info from environment */ - if (!*user.name () && (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 () && user.domain () && - get_logon_server (user.domain (), buf, NULL)) - user.set_logsrv (buf + 2); - debug_printf ("Domain: %s, Logon Server: %s, Windows Username: %s", - user.domain (), user.logsrv (), user.name ()); - - - HANDLE ptok = user.token; /* Which is INVALID_HANDLE_VALUE if no - impersonation took place. */ - DWORD siz; - cygsid tu; - 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 ()) - { - char domain[DNLEN + 1]; - DWORD dlen = sizeof (domain); - siz = sizeof (tu); - SID_NAME_USE use = SidTypeInvalid; - /* Concat DOMAIN\USERNAME for the next lookup */ - strcat (strcat (strcpy (buf, user.domain ()), "\\"), user.name ()); - if (!LookupAccountName (NULL, buf, tu, &siz, - domain, &dlen, &use) || - !legal_sid_type (use)) - debug_printf ("Couldn't retrieve SID locally!"); - else user.set_sid (tu); - - } - - /* 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 __group32 *gr = getgrgid32 (pw->pw_gid); - if (gr) - if (!gsid.getfromgr (gr)) - gsid = NO_SID; - break; - } - } - - /* 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_handle) - { - 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 ()); - - if (!pw) - pw = getpwnam (user.name ()); - - if (!myself->ppid_handle) - (void) cygheap->user.ontherange (CH_HOME, pw); - - return pw; -} - -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 && cygheap->user.token != NULL) - CloseHandle (cygheap->user.token); - cygheap->user.token = INVALID_HANDLE_VALUE; - cygheap->user.impersonated = TRUE; - - /* If uid is ILLEGAL_UID, the process is started from a non cygwin - process or the user context was changed in spawn.cc */ - if (myself->uid == ILLEGAL_UID) - if ((p = internal_getlogin (cygheap->user)) != NULL) - { - myself->uid = p->pw_uid; - /* Set primary group only if process has been started from a - non cygwin process. */ - if (!myself->ppid_handle) - 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 char this_username[UNLEN + 1] NO_COPY; -#endif - - return strcpy (this_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) -{ - static char buf[MAX_PATH + 1]; - static char homedrive_buf[3]; - LPUSER_INFO_3 ui = NULL; - WCHAR wuser[UNLEN + 1]; - NET_API_STATUS ret; - - if (what == CH_HOME) - { - char *p; - if ((p = getenv ("HOMEDRIVE"))) - { - memcpy (homedrive_buf, p, 2); - homedrive = homedrive_buf; - } - if ((p = getenv ("HOMEPATH"))) - { - strcpy (buf, p); - homepath = buf; - } - if ((p = getenv ("HOME"))) - debug_printf ("HOME is already in the environment %s", p); - else - { - if (!pw) - pw = getpwnam (name ()); - if (pw && pw->pw_dir && *pw->pw_dir) - { - setenv ("HOME", pw->pw_dir, 1); - debug_printf ("Set HOME (from /etc/passwd) to %s", pw->pw_dir); - } - else if (homedrive && homepath) - { - char home[MAX_PATH]; - strcpy (buf, homedrive); - strcat (buf, homepath); - cygwin_conv_to_full_posix_path (buf, home); - setenv ("HOME", home, 1); - debug_printf ("Set HOME (from HOMEDRIVE/HOMEPATH) to %s", home); - } - } - } - - if (homedrive == NULL) - { - if (!pw) - pw = getpwnam (name ()); - if (pw && pw->pw_dir && *pw->pw_dir) - cygwin_conv_to_full_win32_path (pw->pw_dir, buf); - else - { - sys_mbstowcs (wuser, name (), sizeof (wuser) / sizeof (*wuser)); - if ((ret = NetUserGetInfo (NULL, wuser, 3, (LPBYTE *)&ui))) - { - if (logsrv ()) - { - WCHAR wlogsrv[INTERNET_MAX_HOST_NAME_LENGTH + 3]; - strcat (strcpy (buf, "\\\\"), logsrv ()); - sys_mbstowcs (wlogsrv, buf, sizeof (wlogsrv) / sizeof(*wlogsrv)); - ret = NetUserGetInfo (wlogsrv, wuser, 3,(LPBYTE *)&ui); - } - } - if (!ret) - { - char *p; - 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 if (!GetSystemDirectory (buf, MAX_PATH)) - strcpy (buf, "c:\\"); - else if ((p = strchr (buf, '\\'))) - p[1] = '\0'; - } - } - if (ui) - NetApiBufferFree (ui); - } - - if (buf[1] != ':') - { - homedrive_buf[0] = homedrive_buf[1] = '\0'; - homepath = buf; - } - else - { - homedrive_buf[0] = buf[0]; - homedrive_buf[1] = buf[1]; - homepath = buf + 2; - } - homedrive = homedrive_buf; - } - - switch (what) - { - case CH_HOMEDRIVE: - return homedrive; - case CH_HOMEPATH: - return homepath; - default: - return homepath; - } -} - -const char * -cygheap_user::env_logsrv () -{ - char *p = plogsrv - 2; - - *p = p[1] = '\\'; - return p; -} - -const char * -cygheap_user::env_userprofile () -{ - static char buf[512]; /* FIXME: This shouldn't be static. */ - if (strcasematch (name (), "SYSTEM") || !domain () || !logsrv ()) - return NULL; - - if (get_registry_hive_path (sid (), buf)) - return buf; - else - return NULL; -} - -const char * -cygheap_user::env_homepath () -{ - return ontherange (CH_HOMEPATH); -} - -const char * -cygheap_user::env_homedrive () -{ - return ontherange (CH_HOMEDRIVE); -} |