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Diffstat (limited to 'winsup/cygwin/uinfo.cc')
-rw-r--r--winsup/cygwin/uinfo.cc169
1 files changed, 106 insertions, 63 deletions
diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc
index 4e4a0c459..c2ca4e3f7 100644
--- a/winsup/cygwin/uinfo.cc
+++ b/winsup/cygwin/uinfo.cc
@@ -26,92 +26,135 @@ extern int group_in_memory_p;
char *
internal_getlogin (struct pinfo *pi)
{
- DWORD username_len = MAX_USER_NAME;
-
if (! pi)
api_fatal ("pinfo pointer is NULL!\n");
+ DWORD username_len = MAX_USER_NAME;
+ if (! GetUserName (pi->username, &username_len))
+ strcpy (pi->username, "unknown");
if (os_being_run == winNT)
{
- LPWKSTA_USER_INFO_1 ui;
- if (allow_ntsec && !NetWkstaUserGetInfo (NULL, 1, (LPBYTE *)&ui))
+ LPWKSTA_USER_INFO_1 wui;
+ char buf[256], *env;
+
+ /* First trying to get logon info from environment */
+ buf[0] = '\0';
+ if ((env = getenv ("USERNAME")) != NULL)
+ strcpy (buf, env);
+ if ((env = getenv ("LOGONSERVER")) != NULL)
+ strcpy (pi->logsrv, env + 2); /* filter leading double backslashes */
+ if ((env = getenv ("USERDOMAIN")) != NULL)
+ strcpy (pi->domain, env);
+ /* Trust only if usernames are identical */
+ if (!strcasecmp (pi->username, buf) && pi->domain[0] && pi->logsrv[0])
+ debug_printf ("Domain: %s, Logon Server: %s", pi->domain, pi->logsrv);
+ /* If that failed, try to get that info from NetBIOS */
+ else if (!NetWkstaUserGetInfo (NULL, 1, (LPBYTE *)&wui))
{
- wcstombs (pi->domain,
- ui->wkui1_logon_domain,
- (wcslen (ui->wkui1_logon_domain) + 1) * sizeof (WCHAR));
- debug_printf ("Domain: %s", pi->domain);
- wcstombs (pi->logsrv,
- ui->wkui1_logon_server,
- (wcslen (ui->wkui1_logon_server) + 1) * sizeof (WCHAR));
- if (! *pi->logsrv)
+ wcstombs (pi->username, wui->wkui1_username,
+ (wcslen (wui->wkui1_username) + 1) * sizeof (WCHAR));
+ wcstombs (pi->logsrv, wui->wkui1_logon_server,
+ (wcslen (wui->wkui1_logon_server) + 1) * sizeof (WCHAR));
+ wcstombs (pi->domain, wui->wkui1_logon_domain,
+ (wcslen (wui->wkui1_logon_domain) + 1) * sizeof (WCHAR));
+ /* Save values in environment */
+ if (strcasecmp (pi->username, "SYSTEM")
+ && pi->domain[0] && pi->logsrv[0])
{
- LPWSTR logon_srv = NULL;
-
- if (!NetGetDCName (NULL,
- ui->wkui1_logon_domain,
- (LPBYTE *)&logon_srv))
- wcstombs (pi->logsrv,
- logon_srv, // filter leading double backslashes
- (wcslen (logon_srv) + 1) * sizeof (WCHAR));
- if (logon_srv)
- NetApiBufferFree (logon_srv);
- debug_printf ("DC Server: %s", pi->logsrv);
+ LPUSER_INFO_3 ui = NULL;
+ WCHAR wbuf[256];
+
+ strcat (strcpy (buf, "\\\\"), pi->logsrv);
+ setenv ("USERNAME", pi->username, 1);
+ setenv ("LOGONSERVER", buf, 1);
+ setenv ("USERDOMAIN", pi->domain, 1);
+ /* HOMEDRIVE and HOMEPATH are wrong most of the time, too,
+ after changing user context! */
+ mbstowcs (wbuf, buf, 256);
+ if (!NetUserGetInfo (NULL, wui->wkui1_username, 3, (LPBYTE *)&ui)
+ || !NetUserGetInfo (wbuf,wui->wkui1_username,3,(LPBYTE *)&ui))
+ {
+ wcstombs (buf, ui->usri3_home_dir, 256);
+ if (!buf[0])
+ {
+ wcstombs (buf, ui->usri3_home_dir_drive, 256);
+ if (buf[0])
+ strcat (buf, "\\");
+ }
+ if (!buf[0])
+ strcat (strcpy (buf, getenv ("SYSTEMDRIVE")), "\\");
+ setenv ("HOMEPATH", buf + 2, 1);
+ buf[2] = '\0';
+ setenv ("HOMEDRIVE", buf, 1);
+ NetApiBufferFree (ui);
+ }
}
- else
- debug_printf ("Logon Server: %s", pi->logsrv);
- wcstombs (pi->username,
- ui->wkui1_username,
- (wcslen (ui->wkui1_username) + 1) * sizeof (WCHAR));
- debug_printf ("Windows Username: %s", pi->username);
- NetApiBufferFree (ui);
+ debug_printf ("Domain: %s, Logon Server: %s, Windows Username: %s",
+ pi->domain, pi->logsrv, pi->username);
+ NetApiBufferFree (wui);
}
- else if (! GetUserName (pi->username, &username_len))
- strcpy (pi->username, "unknown");
- if (!lookup_name (pi->username, pi->logsrv, pi->psid))
+ if (allow_ntsec)
{
- debug_printf ("myself->psid = NULL");
- pi->psid = NULL;
- }
- else if (allow_ntsec)
- {
- extern BOOL get_pw_sid (PSID, struct passwd*);
- struct passwd *pw;
- char psidbuf[40];
- PSID psid = (PSID) psidbuf;
-
- while ((pw = getpwent ()) != NULL)
- if (get_pw_sid (psid, pw) && EqualSid (pi->psid, psid))
- {
- strcpy (pi->username, pw->pw_name);
- break;
- }
- endpwent ();
+ /* Try to get the SID from localhost first. 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. */
+ int ret = 0;
+
+ if (pi->domain[0])
+ {
+ /* Concat DOMAIN\USERNAME for the next lookup */
+ strcat (strcat (strcpy (buf, pi->domain), "\\"), pi->username);
+ if (!(ret = lookup_name (buf, NULL, (PSID) pi->sidbuf)))
+ debug_printf ("Couldn't retrieve SID locally!");
+ }
+ if (!ret && !(ret = lookup_name(pi->username, pi->logsrv,
+ (PSID)pi->sidbuf)))
+ debug_printf ("Couldn't retrieve SID from '%s'!", pi->logsrv);
+ if (ret)
+ {
+ struct passwd *pw;
+ char psidbuf[40];
+ PSID psid = (PSID) psidbuf;
+
+ pi->psid = (PSID) pi->sidbuf;
+ if (strcasecmp (pi->username, "SYSTEM")
+ && pi->domain[0] && pi->logsrv[0])
+ {
+ if (get_registry_hive_path (pi->psid, buf))
+ setenv ("USERPROFILE", buf, 1);
+ }
+ while ((pw = getpwent ()) != NULL)
+ if (get_pw_sid (psid, pw) && EqualSid (pi->psid, psid))
+ {
+ strcpy (pi->username, pw->pw_name);
+ break;
+ }
+ endpwent ();
+ }
}
}
- else
- {
- debug_printf ("myself->psid = NULL");
- pi->psid = NULL;
- if (! GetUserName (pi->username, &username_len))
- strcpy (pi->username, "unknown");
- }
- debug_printf ("Cygwins Username: %s\n", pi->username);
+ debug_printf ("Cygwins Username: %s", pi->username);
return pi->username;
}
void
uinfo_init ()
{
+ char *username;
struct passwd *p;
- myself->psid = (PSID) myself->sidbuf;
- if ((p = getpwnam (internal_getlogin (myself))) != NULL)
+ /* If psid is non null, the process is forked or spawned from
+ another cygwin process without changing the user context.
+ So all user infos in myself as well as the environment are
+ (perhaps) valid. */
+ username = myself->psid ? myself->username : internal_getlogin (myself);
+ if ((p = getpwnam (username)) != NULL)
{
/* calling getpwnam assures us that /etc/password has been
- read in, but we can't be sure about /etc/group */
+ read in, but we can't be sure about /etc/group */
if (!group_in_memory_p)
- read_etc_group ();
+ read_etc_group ();
myself->uid = p->pw_uid;
myself->gid = p->pw_gid;
@@ -197,7 +240,7 @@ dummy_autoload (void)
{
LoadDLLinit (netapi32)
LoadDLLfunc (NetWkstaUserGetInfo, 12, netapi32)
-LoadDLLfunc (NetGetDCName, 12, netapi32)
+LoadDLLfunc (NetUserGetInfo, 16, netapi32)
LoadDLLfunc (NetApiBufferFree, 4, netapi32)
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 07:47:32 +0000