718 lines
18 KiB
C
718 lines
18 KiB
C
/* mkpasswd.c:
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Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
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2008 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#define _WIN32_WINNT 0x0600
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#include <ctype.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <io.h>
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#include <sys/fcntl.h>
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#include <sys/cygwin.h>
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#include <windows.h>
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#include <lm.h>
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#include <iptypes.h>
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#include <wininet.h>
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#include <ntsecapi.h>
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#include <dsgetdc.h>
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#include <ntdef.h>
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#define print_win_error(x) _print_win_error(x, __LINE__)
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#define MAX_SID_LEN 40
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static const char version[] = "$Revision$";
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extern char *__progname;
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SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
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SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
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NET_API_STATUS WINAPI (*dsgetdcname)(LPWSTR,LPWSTR,GUID*,LPWSTR,ULONG,PDOMAIN_CONTROLLER_INFOW*);
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#ifndef min
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#define min(a,b) (((a)<(b))?(a):(b))
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#endif
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typedef struct
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{
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char *str;
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BOOL with_dom;
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} domlist_t;
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void
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_print_win_error(DWORD code, int line)
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{
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char buf[4096];
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if (FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
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| FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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code,
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MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR) buf, sizeof (buf), NULL))
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fprintf (stderr, "mkpasswd (%d): [%lu] %s", line, code, buf);
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else
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fprintf (stderr, "mkpasswd (%d): error %lu", line, code);
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}
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void
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load_dsgetdcname ()
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{
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HANDLE h = LoadLibrary ("netapi32.dll");
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if (h)
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dsgetdcname = (void *) GetProcAddress (h, "DsGetDcNameW");
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}
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static PWCHAR
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get_dcname (char *domain)
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{
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static WCHAR server[INTERNET_MAX_HOST_NAME_LENGTH + 1];
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DWORD rc;
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PWCHAR servername;
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WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
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PDOMAIN_CONTROLLER_INFOW pdci = NULL;
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if (dsgetdcname)
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{
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if (domain)
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{
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mbstowcs (domain_name, domain, strlen (domain) + 1);
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rc = dsgetdcname (NULL, domain_name, NULL, NULL, 0, &pdci);
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}
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else
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rc = dsgetdcname (NULL, NULL, NULL, NULL, 0, &pdci);
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if (rc != ERROR_SUCCESS)
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{
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print_win_error(rc);
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return (PWCHAR) -1;
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}
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wcscpy (server, pdci->DomainControllerName);
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NetApiBufferFree (pdci);
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}
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else
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{
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rc = NetGetDCName (NULL, NULL, (void *) &servername);
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if (rc == ERROR_SUCCESS && domain)
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{
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LPWSTR server = servername;
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mbstowcs (domain_name, domain, strlen (domain) + 1);
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rc = NetGetDCName (server, domain_name, (void *) &servername);
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NetApiBufferFree (server);
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}
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if (rc != ERROR_SUCCESS)
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{
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print_win_error(rc);
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return (PWCHAR) -1;
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}
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wcscpy (server, servername);
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NetApiBufferFree ((PVOID) servername);
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}
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return server;
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}
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char *
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put_sid (PSID sid)
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{
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static char s[512];
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char t[32];
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DWORD i;
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strcpy (s, "S-1-");
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sprintf(t, "%u", GetSidIdentifierAuthority (sid)->Value[5]);
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strcat (s, t);
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for (i = 0; i < *GetSidSubAuthorityCount (sid); ++i)
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{
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sprintf(t, "-%lu", *GetSidSubAuthority (sid, i));
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strcat (s, t);
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}
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return s;
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}
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void
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psx_dir (char *in, char *out)
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{
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if (isalpha (in[0]) && in[1] == ':')
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{
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sprintf (out, "/cygdrive/%c", in[0]);
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in += 2;
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out += strlen (out);
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}
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while (*in)
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{
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if (*in == '\\')
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*out = '/';
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else
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*out = *in;
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in++;
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out++;
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}
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*out = '\0';
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}
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void
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uni2ansi (LPWSTR wcs, char *mbs, int size)
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{
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if (wcs)
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wcstombs (mbs, wcs, size);
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else
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*mbs = '\0';
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}
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void
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current_user (int print_cygpath, const char *sep, const char *passed_home_path,
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int id_offset, const char *disp_username)
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{
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DWORD len;
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HANDLE ptok;
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struct {
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PSID psid;
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int buffer[10];
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} tu, tg;
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char user[UNLEN + 1];
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char dom[MAX_DOMAIN_NAME_LEN + 1];
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DWORD ulen = UNLEN + 1;
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DWORD dlen = MAX_DOMAIN_NAME_LEN + 1;
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SID_NAME_USE acc_type;
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int uid, gid;
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char homedir_psx[PATH_MAX] = {0}, homedir_w32[MAX_PATH] = {0};
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if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &ptok)
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|| !GetTokenInformation (ptok, TokenUser, &tu, sizeof tu, &len)
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|| !GetTokenInformation (ptok, TokenPrimaryGroup, &tg, sizeof tg, &len)
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|| !CloseHandle (ptok)
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|| !LookupAccountSidA (NULL, tu.psid, user, &ulen, dom, &dlen, &acc_type))
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{
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print_win_error (GetLastError ());
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return;
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}
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uid = *GetSidSubAuthority (tu.psid, *GetSidSubAuthorityCount(tu.psid) - 1);
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gid = *GetSidSubAuthority (tg.psid, *GetSidSubAuthorityCount(tg.psid) - 1);
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if (passed_home_path[0] == '\0')
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{
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char *envhome = getenv ("HOME");
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char *envhomedrive = getenv ("HOMEDRIVE");
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char *envhomepath = getenv ("HOMEPATH");
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if (envhome && envhome[0])
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{
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if (print_cygpath)
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cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, envhome,
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homedir_psx, PATH_MAX);
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else
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psx_dir (envhome, homedir_psx);
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}
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else if (envhomepath && envhomepath[0])
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{
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if (envhomedrive)
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strlcpy (homedir_w32, envhomedrive, sizeof (homedir_w32));
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if (envhomepath[0] != '\\')
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strlcat (homedir_w32, "\\", sizeof (homedir_w32));
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strlcat (homedir_w32, envhomepath, sizeof (homedir_w32));
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if (print_cygpath)
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cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, homedir_w32,
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homedir_psx, PATH_MAX);
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else
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psx_dir (homedir_w32, homedir_psx);
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}
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else
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{
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strlcpy (homedir_psx, "/home/", sizeof (homedir_psx));
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strlcat (homedir_psx, user, sizeof (homedir_psx));
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}
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}
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else
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{
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strlcpy (homedir_psx, passed_home_path, sizeof (homedir_psx));
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strlcat (homedir_psx, user, sizeof (homedir_psx));
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}
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printf ("%s%s%s:unused:%u:%u:U-%s\\%s,%s:%s:/bin/bash\n",
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sep ? dom : "",
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sep ?: "",
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user,
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uid + id_offset,
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gid + id_offset,
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dom,
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user,
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put_sid (tu.psid),
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homedir_psx);
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}
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int
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enum_users (BOOL domain, domlist_t *dom_or_machine, const char *sep,
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int print_cygpath, const char *passed_home_path, int id_offset,
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char *disp_username)
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{
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WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
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PWCHAR servername = NULL;
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char *d_or_m = dom_or_machine ? dom_or_machine->str : NULL;
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BOOL with_dom = dom_or_machine ? dom_or_machine->with_dom : FALSE;
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USER_INFO_3 *buffer;
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DWORD entriesread = 0;
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DWORD totalentries = 0;
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DWORD resume_handle = 0;
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DWORD rc;
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WCHAR uni_name[UNLEN + 1];
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if (domain)
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{
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servername = get_dcname (d_or_m);
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if (servername == (PWCHAR) -1)
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return 1;
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}
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else if (d_or_m)
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{
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int ret = mbstowcs (machine, d_or_m, INTERNET_MAX_HOST_NAME_LENGTH + 1);
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if (ret < 1 || ret >= INTERNET_MAX_HOST_NAME_LENGTH + 1)
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{
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fprintf (stderr, "%s: Invalid machine name '%s'. Skipping...\n",
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__progname, d_or_m);
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return 1;
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}
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servername = machine;
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}
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do
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{
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DWORD i;
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if (disp_username != NULL)
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{
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mbstowcs (uni_name, disp_username, UNLEN + 1);
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rc = NetUserGetInfo (servername, (LPWSTR) &uni_name, 3,
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(void *) &buffer);
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entriesread = 1;
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}
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else
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rc = NetUserEnum (servername, 3, FILTER_NORMAL_ACCOUNT,
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(void *) &buffer, MAX_PREFERRED_LENGTH,
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&entriesread, &totalentries, &resume_handle);
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switch (rc)
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{
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case ERROR_ACCESS_DENIED:
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print_win_error(rc);
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return 1;
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case ERROR_MORE_DATA:
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case ERROR_SUCCESS:
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break;
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default:
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print_win_error(rc);
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return 1;
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}
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for (i = 0; i < entriesread; i++)
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{
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char homedir_psx[PATH_MAX];
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char homedir_w32[MAX_PATH];
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WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
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DWORD domname_len = MAX_DOMAIN_NAME_LEN + 1;
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char psid_buffer[MAX_SID_LEN];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = MAX_SID_LEN;
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SID_NAME_USE acc_type;
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int uid = buffer[i].usri3_user_id;
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int gid = buffer[i].usri3_primary_group_id;
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homedir_w32[0] = homedir_psx[0] = '\0';
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if (passed_home_path[0] == '\0')
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{
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uni2ansi (buffer[i].usri3_home_dir, homedir_w32,
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sizeof (homedir_w32));
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if (homedir_w32[0] != '\0')
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{
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if (print_cygpath)
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cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE,
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homedir_w32, homedir_psx, PATH_MAX);
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else
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psx_dir (homedir_w32, homedir_psx);
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}
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else
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uni2ansi (buffer[i].usri3_name,
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stpcpy (homedir_psx, "/home/"), PATH_MAX - 6);
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}
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else
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uni2ansi (buffer[i].usri3_name,
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stpcpy (homedir_psx, passed_home_path),
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PATH_MAX - strlen (passed_home_path));
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if (!LookupAccountNameW (servername, buffer[i].usri3_name,
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psid, &sid_length, domain_name,
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&domname_len, &acc_type))
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{
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print_win_error(GetLastError ());
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fprintf(stderr, " (%ls)\n", buffer[i].usri3_name);
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continue;
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}
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else if (acc_type == SidTypeDomain)
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{
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WCHAR domname[MAX_DOMAIN_NAME_LEN + UNLEN + 2];
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wcscpy (domname, domain_name);
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wcscat (domname, L"\\");
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wcscat (domname, buffer[i].usri3_name);
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sid_length = MAX_SID_LEN;
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domname_len = sizeof (domname);
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if (!LookupAccountNameW (servername, domname, psid,
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&sid_length, domain_name,
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&domname_len, &acc_type))
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{
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print_win_error(GetLastError ());
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fprintf(stderr, " (%ls)\n", domname);
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continue;
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}
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}
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printf ("%ls%s%ls:unused:%u:%u:%ls%sU-%ls\\%ls,%s:%s:/bin/bash\n",
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with_dom ? domain_name : L"",
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with_dom ? sep : "",
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buffer[i].usri3_name,
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uid + id_offset,
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gid + id_offset,
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buffer[i].usri3_full_name ?: L"",
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buffer[i].usri3_full_name
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&& buffer[i].usri3_full_name[0] ? "," : "",
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domain_name,
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buffer[i].usri3_name,
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put_sid (psid),
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homedir_psx);
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}
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NetApiBufferFree (buffer);
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}
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while (rc == ERROR_MORE_DATA);
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return 0;
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}
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void
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print_special (PSID_IDENTIFIER_AUTHORITY auth, BYTE cnt,
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DWORD sub1, DWORD sub2, DWORD sub3, DWORD sub4,
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DWORD sub5, DWORD sub6, DWORD sub7, DWORD sub8)
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{
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char name[UNLEN + 1], dom[MAX_DOMAIN_NAME_LEN + 1];
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DWORD len, len2, rid;
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PSID sid;
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SID_NAME_USE use;
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if (AllocateAndInitializeSid (auth, cnt, sub1, sub2, sub3, sub4,
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sub5, sub6, sub7, sub8, &sid))
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{
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if (LookupAccountSid (NULL, sid,
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name, (len = UNLEN + 1, &len),
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dom, (len2 = MAX_DOMAIN_NAME_LEN + 1, &len),
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&use))
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{
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if (sub8)
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rid = sub8;
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else if (sub7)
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rid = sub7;
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else if (sub6)
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rid = sub6;
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else if (sub5)
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rid = sub5;
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else if (sub4)
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rid = sub4;
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else if (sub3)
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rid = sub3;
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else if (sub2)
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rid = sub2;
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else
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rid = sub1;
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printf ("%s:*:%lu:%lu:,%s::\n",
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name, rid, rid == 18 ? 544 : rid, /* SYSTEM hack */
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put_sid (sid));
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}
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FreeSid (sid);
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}
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}
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int
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usage (FILE * stream)
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{
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fprintf (stream,
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"Usage: mkpasswd [OPTIONS]...\n"
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"Print /etc/passwd file to stdout\n"
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"\n"
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"Options:\n"
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" -l,--local [machine] print local user accounts (from local machine\n"
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" if no machine specified)\n"
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" -L,--Local [machine] ditto, but generate username with machine prefix\n"
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" -d,--domain [domain] print domain accounts (from current domain\n"
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" if no domain specified)\n"
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" -D,--Domain [domain] ditto, but generate username with domain prefix\n"
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" -c,--current print current user\n"
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" -C,--Current ditto, but generate username with machine or\n"
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" domain prefix\n"
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" -S,--separator char for -L, -D, -C use character char as domain\\user\n"
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" separator in username instead of the default '\\'\n"
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" -o,--id-offset offset change the default offset (10000) added to uids\n"
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" in domain or foreign server accounts.\n"
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" -u,--username username only return information for the specified user\n"
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" one of -l, -L, -d, -D must be specified, too\n"
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" -p,--path-to-home path use specified path instead of user account home dir\n"
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" or /home prefix\n"
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" -m,--no-mount don't use mount points for home dir\n"
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" -s,--no-sids (ignored)\n"
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" -g,--local-groups (ignored)\n"
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" -h,--help displays this message\n"
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" -v,--version version information and exit\n"
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"\n"
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"Default is to print local accounts on stand-alone machines, domain accounts\n"
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"on domain controllers and domain member machines.\n");
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return 1;
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}
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struct option longopts[] = {
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{"current", no_argument, NULL, 'c'},
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{"Current", no_argument, NULL, 'C'},
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{"domain", optional_argument, NULL, 'd'},
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{"Domain", optional_argument, NULL, 'D'},
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{"local-groups", no_argument, NULL, 'g'},
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{"help", no_argument, NULL, 'h'},
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{"local", optional_argument, NULL, 'l'},
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{"Local", optional_argument, NULL, 'L'},
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{"no-mount", no_argument, NULL, 'm'},
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{"id-offset", required_argument, NULL, 'o'},
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{"path-to-home", required_argument, NULL, 'p'},
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{"no-sids", no_argument, NULL, 's'},
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{"separator", required_argument, NULL, 'S'},
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{"username", required_argument, NULL, 'u'},
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{"version", no_argument, NULL, 'v'},
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{0, no_argument, NULL, 0}
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};
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char opts[] = "cCd::D::ghl::L::mo:sS:p:u:v";
|
|
|
|
static void
|
|
print_version ()
|
|
{
|
|
const char *v = strchr (version, ':');
|
|
int len;
|
|
if (!v)
|
|
{
|
|
v = "?";
|
|
len = 1;
|
|
}
|
|
else
|
|
{
|
|
v += 2;
|
|
len = strchr (v, ' ') - v;
|
|
}
|
|
printf ("\
|
|
mkpasswd (cygwin) %.*s\n\
|
|
passwd File Generator\n\
|
|
Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2008 Red Hat, Inc.\n\
|
|
Compiled on %s\n\
|
|
", len, v, __DATE__);
|
|
}
|
|
|
|
static void
|
|
enum_std_accounts ()
|
|
{
|
|
/* Generate service starter account entries. */
|
|
printf ("SYSTEM:*:18:544:,S-1-5-18::\n");
|
|
printf ("LocalService:*:19:544:U-NT AUTHORITY\\LocalService,S-1-5-19::\n");
|
|
printf ("NetworkService:*:20:544:U-NT AUTHORITY\\NetworkService,S-1-5-20::\n");
|
|
/* Get 'administrators' group (has localized name). */
|
|
print_special (&sid_nt_auth, 2, SECURITY_BUILTIN_DOMAIN_RID,
|
|
DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0);
|
|
}
|
|
|
|
static PPOLICY_PRIMARY_DOMAIN_INFO p_dom;
|
|
|
|
static BOOL
|
|
fetch_primary_domain ()
|
|
{
|
|
NTSTATUS status;
|
|
LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
|
|
LSA_HANDLE lsa;
|
|
|
|
if (!p_dom)
|
|
{
|
|
status = LsaOpenPolicy (NULL, &oa, POLICY_VIEW_LOCAL_INFORMATION, &lsa);
|
|
if (!NT_SUCCESS (status))
|
|
return FALSE;
|
|
status = LsaQueryInformationPolicy (lsa, PolicyPrimaryDomainInformation,
|
|
(PVOID *) &p_dom);
|
|
LsaClose (lsa);
|
|
if (!NT_SUCCESS (status))
|
|
return FALSE;
|
|
}
|
|
return !!p_dom->Sid;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int print_local = 0;
|
|
domlist_t locals[16];
|
|
int print_domain = 0;
|
|
domlist_t domains[16];
|
|
char *opt;
|
|
int print_cygpath = 1;
|
|
int print_current = 0;
|
|
const char *sep_char = "\\";
|
|
int id_offset = 10000;
|
|
int c, i, off;
|
|
char *disp_username = NULL;
|
|
char passed_home_path[PATH_MAX];
|
|
BOOL in_domain;
|
|
|
|
passed_home_path[0] = '\0';
|
|
if (!isatty (1))
|
|
setmode (1, O_BINARY);
|
|
|
|
load_dsgetdcname ();
|
|
in_domain = fetch_primary_domain ();
|
|
if (argc == 1)
|
|
{
|
|
enum_std_accounts ();
|
|
if (in_domain)
|
|
enum_users (TRUE, NULL, sep_char, print_cygpath, passed_home_path,
|
|
10000, disp_username);
|
|
else
|
|
enum_users (FALSE, NULL, sep_char, print_cygpath, passed_home_path, 0,
|
|
disp_username);
|
|
return 0;
|
|
}
|
|
|
|
while ((c = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
|
|
switch (c)
|
|
{
|
|
case 'l':
|
|
case 'L':
|
|
if (print_local >= 16)
|
|
{
|
|
fprintf (stderr, "%s: Can not enumerate from more than 16 "
|
|
"servers.\n", __progname);
|
|
return 1;
|
|
}
|
|
opt = optarg ?:
|
|
argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
|
|
for (i = 0; i < print_local; ++i)
|
|
if ((!locals[i].str && !opt)
|
|
|| (locals[i].str && opt && !strcmp (locals[i].str, opt)))
|
|
goto skip_local;
|
|
locals[print_local].str = opt;
|
|
locals[print_local++].with_dom = c == 'L';
|
|
skip_local:
|
|
break;
|
|
case 'd':
|
|
case 'D':
|
|
if (print_domain >= 16)
|
|
{
|
|
fprintf (stderr, "%s: Can not enumerate from more than 16 "
|
|
"domains.\n", __progname);
|
|
return 1;
|
|
}
|
|
opt = optarg ?:
|
|
argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
|
|
for (i = 0; i < print_domain; ++i)
|
|
if ((!domains[i].str && !opt)
|
|
|| (domains[i].str && opt && !strcmp (domains[i].str, opt)))
|
|
goto skip_domain;
|
|
domains[print_domain].str = opt;
|
|
domains[print_domain++].with_dom = c == 'D';
|
|
skip_domain:
|
|
break;
|
|
case 'S':
|
|
sep_char = optarg;
|
|
if (strlen (sep_char) > 1)
|
|
{
|
|
fprintf (stderr, "%s: Only one character allowed as domain\\user "
|
|
"separator character.\n", __progname);
|
|
return 1;
|
|
}
|
|
if (*sep_char == ':')
|
|
{
|
|
fprintf (stderr, "%s: Colon not allowed as domain\\user separator "
|
|
"character.\n", __progname);
|
|
return 1;
|
|
}
|
|
break;
|
|
case 'c':
|
|
sep_char = NULL;
|
|
/*FALLTHRU*/
|
|
case 'C':
|
|
print_current = 1;
|
|
break;
|
|
case 'o':
|
|
id_offset = strtol (optarg, NULL, 10);
|
|
break;
|
|
case 'g':
|
|
break;
|
|
case 's':
|
|
break;
|
|
case 'm':
|
|
print_cygpath = 0;
|
|
break;
|
|
case 'p':
|
|
if (optarg[0] != '/')
|
|
{
|
|
fprintf (stderr, "%s: '%s' is not a fully qualified path.\n",
|
|
__progname, optarg);
|
|
return 1;
|
|
}
|
|
strcpy (passed_home_path, optarg);
|
|
if (optarg[strlen (optarg)-1] != '/')
|
|
strcat (passed_home_path, "/");
|
|
break;
|
|
case 'u':
|
|
disp_username = optarg;
|
|
break;
|
|
case 'h':
|
|
usage (stdout);
|
|
return 0;
|
|
case 'v':
|
|
print_version ();
|
|
return 0;
|
|
default:
|
|
fprintf (stderr, "Try '%s --help' for more information.\n", __progname);
|
|
return 1;
|
|
}
|
|
|
|
if (optind < argc - 1)
|
|
usage (stdout);
|
|
|
|
off = 1;
|
|
for (i = 0; i < print_local; ++i)
|
|
{
|
|
if (locals[i].str)
|
|
enum_users (FALSE, locals + i, sep_char, print_cygpath,
|
|
passed_home_path, id_offset * off++, disp_username);
|
|
else
|
|
{
|
|
enum_std_accounts ();
|
|
enum_users (FALSE, locals + i, sep_char, print_cygpath,
|
|
passed_home_path, 0, disp_username);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < print_domain; ++i)
|
|
enum_users (TRUE, domains + i, sep_char, print_cygpath, passed_home_path,
|
|
id_offset * off++, disp_username);
|
|
|
|
if (print_current)
|
|
current_user (print_cygpath, sep_char, passed_home_path, id_offset, disp_username);
|
|
|
|
return 0;
|
|
}
|